阅读说明：本技术 阵列式触觉传感器 (Array type tactile sensor ) 是由 杨辉 王立辉 付健 曹瑞珉 陈志涛 于 2021-06-10 设计创作，主要内容包括：本发明涉及传感器的技术领域,提供了一种阵列式触觉传感器,包括：具有多条第一直线凹槽和多条第二直线凹槽的柔性衬底层、盖设在所述柔性衬底层上并覆盖所述第一直线凹槽和所述第二直线凹槽的柔性按压层、多个分别沿所述第一直线凹槽发射第一预定光束的第一光发射器、多个分别用于接收所述第一光发射器发出光束的第一光接收器、多个分别朝所述第二直线凹槽内发射第二预定光束的第二光发射器,以及多个分别用于接收所述第二光发射器发出光束的第二光接收器；各所述第一直线凹槽分别与多个所述第二直线凹槽交汇形成交汇空间。(The invention relates to the technical field of sensors, and provides an array type touch sensor, which comprises: the flexible substrate layer is provided with a plurality of first linear grooves and a plurality of second linear grooves, the flexible pressing layer covers the flexible substrate layer and covers the first linear grooves and the second linear grooves, a plurality of first light emitters for emitting first preset light beams along the first linear grooves respectively, a plurality of first light receivers for receiving the light beams emitted by the first light emitters respectively, a plurality of second light emitters for emitting second preset light beams towards the second linear grooves respectively, and a plurality of second light receivers for receiving the light beams emitted by the second light emitters respectively; each first straight line groove is respectively intersected with a plurality of second straight line grooves to form an intersection space.)

1. An array tactile sensor, comprising: the flexible substrate layer is provided with a plurality of first linear grooves and a plurality of second linear grooves, the flexible pressing layer covers the flexible substrate layer and covers the first linear grooves and the second linear grooves, a plurality of first light emitters for emitting first preset light beams along the first linear grooves respectively, a plurality of first light receivers for receiving the light beams emitted by the first light emitters respectively, a plurality of second light emitters for emitting second preset light beams towards the second linear grooves respectively, and a plurality of second light receivers for receiving the light beams emitted by the second light emitters respectively; each first linear groove is respectively intersected with a plurality of second linear grooves to form an array of intersection spaces; the first linear grooves, the first light emitters and the first light receivers are in one-to-one correspondence respectively; the plurality of second linear grooves, the plurality of second light emitters and the plurality of second light receivers are in one-to-one correspondence respectively;

elastic light-transmitting components are respectively arranged in the intersection spaces; when the flexible pressing layer presses the elastic light transmission component towards the flexible substrate layer under the action of external force, the first preset light beam passing through the elastic light transmission component converges, and the second preset light beam passing through the elastic light transmission component converges.

2. The array tactile sensor of claim 1, wherein the elastomeric light transmissive component comprises: the box body is provided with an accommodating cavity, a sealing cover, an elastic film, a first light-transmitting film, a second light-transmitting film, a third light-transmitting film and a fourth light-transmitting film; an opening communicated with the accommodating cavity is formed in the box body, and the sealing cover covers the opening; the sealing cover is provided with a first through hole communicated with the accommodating cavity, the box body is provided with a second through hole communicated with the accommodating cavity and positioned on the first preset light beam, the box body is provided with a third through hole communicated with the accommodating cavity and positioned on the first preset light beam, the box body is provided with a fourth through hole communicated with the accommodating cavity and positioned on the second preset light beam, and the box body is provided with a fifth through hole communicated with the accommodating cavity and positioned on the second preset light beam; the elastic film covers the first through hole; the first light-transmitting film covers the second through hole, the second light-transmitting film covers the third through hole, and the first light-transmitting film is an integrated piece made of elastic materials; the third light-transmitting film covers the fourth through hole, the fourth light-transmitting film covers the fifth through hole, and the third light-transmitting film is an integrated piece made of elastic materials.

3. The array type touch sensor of claim 2, wherein two opposite sidewalls of the receiving cavity are respectively protruded outwardly to form a first protrusion and a second protrusion, the first protrusion is engaged in the first linear groove on one side of the intersection region, and the second protrusion is engaged in the first linear groove on the other side of the intersection region; the two opposite side walls of the accommodating cavity are respectively and convexly arranged outwards to form a third boss and a fourth boss, the third boss is clamped in the second linear groove on one side of the intersection area, and the fourth boss is clamped in the second linear groove on the other side of the intersection area.

4. The array tactile sensor of claim 2, further comprising: a raised portion disposed on the flexible pressing layer; the protruding portion is inserted into the first through hole.

5. The array type tactile sensor according to claim 2, wherein the accommodating chamber is filled with a predetermined liquid through which the light beam passes.

6. The array-type tactile sensor according to claim 1, wherein the first linear grooves are respectively arranged in parallel, and the second linear grooves are respectively arranged in parallel.

7. The array-type tactile sensor according to claim 6, wherein each of the first linear grooves is perpendicular to each of the second linear grooves.

8. The array-type tactile sensor of claim 1, wherein the first linear groove and the second linear groove have the same width.

9. A method of manufacturing an array-type tactile sensor, comprising:

s1: preparing a flexible substrate layer; forming a plurality of first linear grooves and a plurality of second linear grooves on the flexible substrate layer; each first linear groove is respectively intersected with a plurality of second linear grooves to form an array of intersection spaces;

s2: preparing a first optical transmitter, a first optical receiver, a second optical transmitter and a second optical receiver; the first predetermined light beam emitted by the first light emitter propagates along the first straight groove and reaches the first light receiver; the second predetermined light beam emitted by the second light emitter propagates along the second linear groove and reaches the second light receiver; the first linear grooves, the first light emitters and the first light receivers are in one-to-one correspondence respectively; the plurality of second linear grooves, the plurality of second light emitters and the plurality of second light receivers are in one-to-one correspondence respectively;

s3: preparing a flexible pressing layer and an elastic light-transmitting component; elastic light-transmitting components are respectively arranged in the intersection spaces, and the flexible pressing layers cover the first linear grooves and the second linear grooves; when the flexible pressing layer presses the elastic light transmission component towards the flexible substrate layer under the action of external force, the first preset light beam passing through the elastic light transmission component converges, and the second preset light beam passing through the elastic light transmission component converges.

10. The method of manufacturing an array-type tactile sensor according to claim 9, wherein the first linear grooves are respectively arranged in parallel, and the second linear grooves are respectively arranged in parallel; each first straight line groove is perpendicular to each second straight line groove.

Technical Field

The invention belongs to the technical field of sensors, and particularly relates to an array type touch sensor.

Background

With the continuous improvement of the intelligent level in each field, more and more intelligent devices enter the work and life of people, which leads to more and more frequent interaction among human, machine and environment. In the fields of intelligent artificial limbs, virtual reality, teleoperation, health monitoring, sorting and grabbing and the like, touch information is one of main data reflecting and evaluating interaction behaviors of intelligent equipment. In order to improve the sensitivity and accuracy of tactile sensing and enable the tactile sensing to have tactile sensing performance similar to that of biological skin, in recent years, the tactile sensor is continuously developed towards array and flexibility, so that the tactile sensor can better conform to external installation and contact environments and realize sensitive detection of tactile information such as contact force, contact position, contact surface rigidity, texture characteristics and the like.

The flexible tactile sensor mainly comprises the following components according to the perception mechanism: piezoresistive (such as liquid metal, metal nanowire, graphene, carbon nanotube, etc.), piezoelectric (such as polydimethylsiloxane film pressure sensor, etc.), capacitive (such as triboelectric sensing, etc.), pneumatic, photoconductive, and electromagnetic, etc. At present, most of flexible touch sensors are still in a laboratory research stage due to the problems of complex preparation process, unstable performance of sensing materials, limited use conditions and the like, and the industrialization and commercialization processes of the sensors are hindered. Therefore, in order to promote the practical application of the flexible touch sensor in various fields and improve the commercialization capacity of the flexible touch sensor, the common technical problems to be solved by the flexible touch sensor mainly include: simplifying the structure and the preparation process of the sensor, improving the reliability of the sensing mechanism of the sensor, enhancing the environmental disturbance resistance of the sensor and the like.

Disclosure of Invention

The invention aims to provide an array type touch sensor to solve the technical problems of complex preparation process, unstable material performance and limited use condition in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: provided is an array type tactile sensor including: the flexible substrate layer is provided with a plurality of first linear grooves and a plurality of second linear grooves, the flexible pressing layer covers the flexible substrate layer and covers the first linear grooves and the second linear grooves, a plurality of first light emitters for emitting first preset light beams along the first linear grooves respectively, a plurality of first light receivers for receiving the light beams emitted by the first light emitters respectively, a plurality of second light emitters for emitting second preset light beams towards the second linear grooves respectively, and a plurality of second light receivers for receiving the light beams emitted by the second light emitters respectively; each first linear groove is respectively intersected with a plurality of second linear grooves to form an array of intersection spaces; the first linear grooves, the first light emitters and the first light receivers are in one-to-one correspondence respectively; the plurality of second linear grooves, the plurality of second light emitters and the plurality of second light receivers are in one-to-one correspondence respectively;

elastic light-transmitting components are respectively arranged in the intersection spaces; when the flexible pressing layer presses the elastic light transmission component towards the flexible substrate layer under the action of external force, the first preset light beam passing through the elastic light transmission component converges, and the second preset light beam passing through the elastic light transmission component converges.

Further, the elastic light transmission member includes: the box body is provided with an accommodating cavity, a sealing cover, an elastic film, a first light-transmitting film, a second light-transmitting film, a third light-transmitting film and a fourth light-transmitting film; an opening communicated with the accommodating cavity is formed in the box body, and the sealing cover covers the opening; the sealing cover is provided with a first through hole communicated with the accommodating cavity, the box body is provided with a second through hole communicated with the accommodating cavity and positioned on the first preset light beam, the box body is provided with a third through hole communicated with the accommodating cavity and positioned on the first preset light beam, the box body is provided with a fourth through hole communicated with the accommodating cavity and positioned on the second preset light beam, and the box body is provided with a fifth through hole communicated with the accommodating cavity and positioned on the second preset light beam; the elastic film covers the first through hole; the first light-transmitting film covers the second through hole, the second light-transmitting film covers the third through hole, and the first light-transmitting film is an integrated piece made of elastic materials; the third light-transmitting film covers the fourth through hole, the fourth light-transmitting film covers the fifth through hole, and the third light-transmitting film is an integrated piece made of elastic materials.

Furthermore, two opposite side walls of the accommodating cavity are respectively provided with a first boss and a second boss in an outward protruding manner, the first boss is clamped in the first linear groove on one side of the intersection area, and the second boss is clamped in the first linear groove on the other side of the intersection area; the two opposite side walls of the accommodating cavity are respectively and convexly arranged outwards to form a third boss and a fourth boss, the third boss is clamped in the second linear groove on one side of the intersection area, and the fourth boss is clamped in the second linear groove on the other side of the intersection area.

Further, still include: a raised portion disposed on the flexible pressing layer; the protruding portion is inserted into the first through hole.

Further, the accommodating cavity is filled with a predetermined liquid through which the light beam can pass.

Furthermore, the first linear grooves are respectively arranged in parallel, and the second linear grooves are respectively arranged in parallel.

Furthermore, each first straight-line groove is perpendicular to each second straight-line groove.

Further, the first linear groove and the second linear groove have the same width.

The invention also provides a manufacturing method of the array type touch sensor, which comprises the following steps:

s1: preparing a flexible substrate layer; forming a plurality of first linear grooves and a plurality of second linear grooves on the flexible substrate layer; each first linear groove is respectively intersected with a plurality of second linear grooves to form an array of intersection spaces;

s2: preparing a first optical transmitter, a first optical receiver, a second optical transmitter and a second optical receiver; the first predetermined light beam emitted by the first light emitter propagates along the first straight groove and reaches the first light receiver; the second predetermined light beam emitted by the second light emitter propagates along the second linear groove and reaches the second light receiver; the first linear grooves, the first light emitters and the first light receivers are in one-to-one correspondence respectively; the plurality of second linear grooves, the plurality of second light emitters and the plurality of second light receivers are in one-to-one correspondence respectively;

s3: preparing a flexible pressing layer and an elastic light-transmitting component; elastic light-transmitting components are respectively arranged in the intersection spaces, and the flexible pressing layers cover the first linear grooves and the second linear grooves; when the flexible pressing layer presses the elastic light transmission component towards the flexible substrate layer under the action of external force, the first preset light beam passing through the elastic light transmission component converges, and the second preset light beam passing through the elastic light transmission component converges.

Furthermore, the first linear grooves are respectively arranged in parallel, and the second linear grooves are respectively arranged in parallel; each first straight line groove is perpendicular to each second straight line groove.

The array type touch sensor provided by the invention has the beneficial effects that: compared with the prior art, the array type touch sensor provided by the invention has the advantages that the first light emitter emits the first preset light beam and transmits the first preset light beam along the first linear groove, and the first preset light beam transmitted along the first linear groove reaches the first light receiver and is received; the second light emitter emits a second preset light beam and transmits the second preset light beam along the second linear groove, and the second preset light beam transmitted along the second linear groove reaches the second light receiver and is received; the first linear groove, the first light emitter and the first light receiver are respectively multiple; the first straight line grooves, the first light emitters and the first light receivers are in one-to-one correspondence respectively; the number of the second linear grooves, the number of the second light emitters and the number of the second light receivers are respectively multiple; the plurality of second linear grooves, the plurality of second light emitters and the plurality of second light receivers are in one-to-one correspondence respectively; each first linear groove is respectively intersected with a plurality of second linear grooves to form an intersection space, and the plurality of first linear grooves and the plurality of second linear grooves are intersected with each other to form an array of intersection spaces; an elastic light-transmitting component is arranged in each intersection space, the first preset light beam penetrates through the elastic light-transmitting component, and the second preset light beam penetrates through the elastic light-transmitting component; when the flexible pressing layer presses the elastic light-transmitting component, the elastic light-transmitting component deforms and enables the first preset light beam to converge, so that the first preset light beam received by the first light receiver changes, and a user judges whether the elastic light-transmitting component is pressed in the first linear groove or not according to the change; when the flexible pressing layer presses the elastic light-transmitting component, the elastic light-transmitting component deforms and enables the second preset light beam to converge, so that the second preset light beam received by the second light receiver changes, and a user judges whether the elastic light-transmitting component in the second linear groove is pressed or not according to the change; when elasticity printing opacity subassembly was pressed in certain intersection space, the first predetermined light beam changes in the first straight line recess that corresponds with intersection space, and the second predetermined light beam changes in the second straight line recess that corresponds with intersection space, and the user can judge that it is elasticity printing opacity subassembly is pressed in which intersection space according to the light beam change in first straight line recess and the second straight line recess to judge the coordinate position that is pressed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is an exploded view of an array-type tactile sensor according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a flexible laminate provided in accordance with an embodiment of the present invention;

FIG. 3 is a first schematic perspective view of a closure and an elastic membrane according to an embodiment of the present invention;

FIG. 4 is a second schematic perspective view of a closure and an elastic membrane according to an embodiment of the present invention;

fig. 5 is a first perspective view of the box according to the embodiment of the present invention;

fig. 6 is a second perspective view of the box body according to the embodiment of the present invention;

FIG. 7 is a schematic perspective view of a flexible substrate layer provided by an embodiment of the invention;

FIG. 8 is a schematic diagram of an array-type tactile sensor provided by an embodiment of the present invention (in which the user does not press the flexible pressing layer);

fig. 9 is a schematic diagram of the array-type tactile sensor according to the embodiment of the invention (in this case, a user presses the flexible pressing layer to make the protrusion portion recess the elastic film into the accommodating cavity, and the first light-transmitting film and the third light-transmitting film protrude to the outside of the accommodating cavity to form a convex lens shape).

Wherein, in the figures, the respective reference numerals:

1-a flexible substrate layer; 111-a first linear groove; 112-a second linear groove; 12-positioning holes; 13-a first mounting hole; 14-a second mounting hole; 15-a junction space; 21-a box body; 211-second via hole; 212-a third via; 213-fourth via; 214-fifth via; 215-opening; 22-sealing cover; 221-a first via; 23-an accommodating cavity; 31-an elastic film; 32-a first light transmissive film; 33-a second light transmissive film; 34-a third light transmissive film; 35-a fourth light transmissive film; 41-flexible pressing layer; 42-a boss; 43-a locating post; 51-a first optical transmitter; 52-a first optical receiver; 53-a second optical transmitter; 54-second light receiver.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 9, an array type tactile sensor according to the present invention will now be described. The array type tactile sensor includes: a flexible substrate layer 1 having a plurality of first linear grooves 111 and a plurality of second linear grooves 112, a flexible pressing layer 41 covering the flexible substrate layer 1 and covering the first linear grooves 111 and the second linear grooves 112, a plurality of first light emitters 51 for emitting first predetermined light beams along the first linear grooves 111, a plurality of first light receivers 52 for receiving the light beams emitted from the first light emitters 51, a plurality of second light emitters 53 for emitting second predetermined light beams into the second linear grooves 112, and a plurality of second light receivers 54 for receiving the light beams emitted from the second light emitters 53; each first straight-line groove 111 is intersected with a plurality of second straight-line grooves 112 to form an intersection space 15; the plurality of first linear grooves 111, the plurality of first light emitters 51, and the plurality of first light receivers 52 are in one-to-one correspondence; the plurality of second linear grooves 112, the plurality of second light emitters 53, and the plurality of second light receivers 54 are in one-to-one correspondence; elastic light-transmitting components are respectively arranged in the intersection spaces 15; when the flexible pressing layer 41 presses the elastic light-transmitting component toward the flexible substrate layer 1 under the action of an external force, the first predetermined light beam passing through the elastic light-transmitting component converges (converges: for example, the parallel light beam passes through the elastic light-transmitting component and then focuses), and the second predetermined light beam passing through the elastic light-transmitting component converges.

In this way, the first light emitter 51 emits the first predetermined light beam and propagates along the first linear groove 111, and the first predetermined light beam propagating along the first linear groove 111 reaches the first light receiver 52 and is received; the second light emitter 53 emits a second predetermined light beam and propagates along the second linear groove 112, and the second predetermined light beam propagating along the second linear groove 112 reaches the second light receiver 54 to be received; the first linear groove 111, the first optical transmitter 51, and the first optical receiver 52 are plural in number; the plurality of first linear grooves 111, the plurality of first light emitters 51, and the plurality of first light receivers 52 are in one-to-one correspondence; the number of the second linear grooves 112, the number of the second light emitters 53, and the number of the second light receivers 54 are plural; the plurality of second linear grooves 112, the plurality of second light emitters 53, and the plurality of second light receivers 54 are in one-to-one correspondence; each first straight-line groove 111 is intersected with a plurality of second straight-line grooves 112 to form an intersection space 15, and the plurality of first straight-line grooves 111 and the plurality of second straight-line grooves 112 are intersected with each other to form an array of intersection spaces 15; each intersection space 15 is internally provided with an elastic light-transmitting component, the first preset light beam passes through the elastic light-transmitting component, and the second preset light beam passes through the elastic light-transmitting component; when the flexible pressing layer 41 presses the elastic light-transmitting component, the elastic light-transmitting component deforms and converges the first predetermined light beam, so that the first predetermined light beam received by the first light receiver 52 changes, and a user determines whether the elastic light-transmitting component in the first linear groove 111 is pressed or not according to the change; when the flexible pressing layer 41 presses the elastic light-transmitting component, the elastic light-transmitting component deforms and converges the second predetermined light beam, so that the second predetermined light beam received by the second light receiver 54 changes, and a user determines whether the elastic light-transmitting component in the second linear groove 112 is pressed or not according to the change; when the elastic light-transmitting component in a certain intersection space 15 is pressed, the first predetermined light beam in the first straight-line groove 111 corresponding to the intersection space 15 changes, the second predetermined light beam in the second straight-line groove 112 corresponding to the intersection space 15 changes, and a user can judge which elastic light-transmitting component in the intersection space 15 is pressed according to the light beam changes in the first straight-line groove 111 and the second straight-line groove 112, so that the pressed coordinate position is judged.

In addition, the flexible pressing layer 41 is adopted to extrude the elastic light-transmitting component (the elastic light-transmitting component comprises the box body 21, the seal cover 22, the elastic film 31, the first light-transmitting film 32, the second light-transmitting film 33, the third light-transmitting film 34 and the fourth light-transmitting film 35), the required flexible pressing layer 41 and the elastic light-transmitting component are prepared through a mold, and the preparation is simple; the light beam change is realized by extruding the flexible pressing layer 41, the performance is reliable and stable, and the light beam change is not easily interfered by external environment (such as disturbance or electromagnetism).

In one embodiment, the array of intersection spaces 15 is a rectangular array.

In one embodiment, in the prior art, as the level of intelligence in various fields continues to increase, haptics are often required in modern smart devices; in order to improve the sensitivity and accuracy of the touch sensing, the position of the touch pressing needs to be determined, but the existing touch sensor cannot determine the pressing position accurately. In one embodiment, the technical problem to be solved by the present application may also be: the technical problem that the pressing position is inaccurate when the touch sensor judges in the prior art is solved.

Further, referring to fig. 1 to 9, as an embodiment of the array-type tactile sensor provided by the present invention, the elastic light-transmitting component includes: a box body 21 with an accommodating cavity 23, a sealing cover 22, an elastic film 31, a first light-transmitting film 32, a second light-transmitting film 33, a third light-transmitting film 34 and a fourth light-transmitting film 35; the box body 21 is provided with an opening 215 communicated with the accommodating cavity 23, and the sealing cover 22 covers the opening 215; the cover 22 is provided with a first through hole 221 communicated with the accommodating cavity 23, the box body 21 is provided with a second through hole 211 communicated with the accommodating cavity 23 and positioned on the first preset light beam, the box body 21 is provided with a third through hole 212 communicated with the accommodating cavity 23 and positioned on the first preset light beam, the box body 21 is provided with a fourth through hole 213 communicated with the accommodating cavity 23 and positioned on the second preset light beam, and the box body 21 is provided with a fifth through hole 214 communicated with the accommodating cavity 23 and positioned on the second preset light beam; the elastic film 31 covers the first through hole 221; the first light transmission film 32 covers the second through hole 211, the second light transmission film 33 covers the third through hole 212, and the first light transmission film 32 is an integrated piece made of elastic materials; the third light-transmitting film 34 covers the fourth through hole 213, the fourth light-transmitting film 35 covers the fifth through hole 214, and the third light-transmitting film 34 is an integral member made of an elastic material. Thus, the box body 21 is arranged on the flexible substrate layer 1, the box body 21 is provided with the accommodating cavity 23, the box body 21 is provided with an opening 215, and the opening 215 is covered with the sealing cover 22 to seal the accommodating cavity 23; a first straight line groove 111, a first optical transmitter 51 and a first optical receiver 52 are arranged on the flexible substrate layer 1; the first predetermined light beam emitted by the first light emitter 51 reaches the first light receiver 52 after passing through the first linear groove 111; the cover 22 is provided with a first through hole 221 communicated with the accommodating cavity 23, the box body 21 is provided with a second through hole 211 communicated with the accommodating cavity 23, and the box body 21 is provided with a third through hole 212 communicated with the accommodating cavity 23; the first through hole 221 is covered with an elastic film 31, the second through hole 211 is covered with a first light-transmitting film 32, and the third through hole 212 is covered with a second light-transmitting film 33, wherein the first light-transmitting film 32 is an integrated piece made of elastic material; if a user presses the elastic film 31, the elastic film 31 will press the accommodating cavity 23 (here, the first through hole 221 communicated with the accommodating cavity 23 is sealed by the elastic film 31, the second through hole 211 communicated with the accommodating cavity 23 is sealed by the first light-transmitting film 32, and the third through hole 212 communicated with the accommodating cavity 23 is sealed by the second light-transmitting film 33), and the first light-transmitting film 32 with elasticity will deform and protrude to the outside of the accommodating cavity 23 to form a convex lens shape after the air pressure or hydraulic pressure in the accommodating cavity 23 (in one embodiment, the accommodating cavity 23 can be filled with gas or liquid) changes; since the second through hole 211 and the third through hole 212 are respectively located on the first predetermined light beam, the first predetermined light beam passes through the first light transmissive film 32 covering the second through hole 211 and the second light transmissive film 33 covering the third through hole 212; when the first light-transmitting film 32 deforms, the state of the first predetermined light beam passing through the first light-transmitting film 32 changes (the change may be focusing of the first predetermined light beam (please refer to fig. 9, the first predetermined light beam focusing state is after the first light-transmitting film 32 protrudes to the outside of the accommodating cavity 23) or deflects), and after the changed first predetermined light beam reaches the first light receiver 52, the first predetermined light beam received by the first light receiver 52 also changes (for example, the light intensity of the first predetermined light beam received by the first light receiver 52 decreases or increases due to the focusing or deflection of the first predetermined light beam), and a user can know whether the elastic film 31 on the cover 22 is pressed or not through the change of the first predetermined light beam received by the first light receiver 52; the structure is simple, and the performance is reliable; in addition, a second linear groove 112, a second light emitter 53 and a second light receiver 54 are arranged on the flexible substrate layer 1, and a second preset light beam emitted by the second light emitter 53 passes through the second linear groove 112 and then reaches the second light receiver 54; a first through hole 221 communicated with the accommodating cavity 23 is formed in the sealing cover 22, a fourth through hole 213 communicated with the accommodating cavity 23 is formed in the box body 21, and a fifth through hole 214 communicated with the accommodating cavity 23 is formed in the box body 21; the first through hole 221 is covered with the elastic film 31, the fourth through hole 213 is covered with the third light-transmitting film 34, and the fifth through hole 214 is covered with the fourth light-transmitting film 35, wherein the third light-transmitting film 34 is an integrated piece made of elastic material; if the user presses the elastic film 31, the elastic film 31 will press the accommodating cavity 23 (here, the first through hole 221 communicated with the accommodating cavity 23 is sealed by the elastic film 31, the fourth through hole 213 communicated with the accommodating cavity 23 is sealed by the third light-transmitting film 34, and the fifth through hole 214 communicated with the accommodating cavity 23 is sealed by the fourth light-transmitting film 35), and the third light-transmitting film 34 with elasticity will deform and protrude to the outside of the accommodating cavity 23 to form a convex lens shape after the air pressure or hydraulic pressure in the accommodating cavity 23 (in one embodiment, the accommodating cavity 23 can be filled with gas or liquid) changes; since the fourth through hole 213 and the fifth through hole 214 are respectively located on the second predetermined light beam, the second predetermined light beam passes through the third light transmissive film 34 covering the fourth through hole 213 and the fourth light transmissive film 35 covering the fifth through hole 214; when the third light-transmitting film 34 deforms, the state of the second predetermined light beam passing through the third light-transmitting film 34 changes (the change may be focusing of the second predetermined light beam (please refer to fig. 9 that the third light-transmitting film 34 protrudes to the outside of the accommodating cavity 23 to form a convex lens shape, and then the focusing state of the second predetermined light beam) or deflecting), and after the changed second predetermined light beam reaches the second light receiver 54, the second predetermined light beam received by the second light receiver 54 also changes (for example, the light intensity of the second predetermined light beam received by the second light receiver 54 decreases or increases due to focusing or deflecting of the second predetermined light beam), and a user can know whether the elastic film 31 on the sealing cover 22 is pressed or not through the change of the second predetermined light beam received by the second light receiver 54; simple structure and reliable performance.

In one embodiment, the light beam emitted by first light emitter 51 may be any one of visible light, infrared light, or ultraviolet light.

In one embodiment, the first light receiver 52 may be any one of a photodiode, a phototransistor, a photoresistor, or a photosensitive material.

In one embodiment, the light beam emitted by second light emitter 53 may be any one of visible light, infrared light, or ultraviolet light.

In one embodiment, the second light receiver 54 may be any one of a photodiode, a phototransistor, a photoresistor, or a photo-sensitive material.

In one embodiment, the case 21 is made of a flexible material.

In one embodiment, the cover 22 is made of a flexible material.

In one embodiment, the second through-hole 211 is a circular hole. In this way, the first light transmitting film 32 covering the second through hole 211 is likely to form a spherical convex lens shape when protruding to the outside of the housing chamber 23.

In one embodiment, the third through-hole 212 is a rectangular hole. In this way, the first preset light beam can be adjusted in the length and width directions of the rectangular hole after being focused or deflected.

In one embodiment, the fourth through-hole 213 is a circular hole. In this way, the first light transmitting film 32 covering the second through hole 211 is likely to form a spherical convex lens shape when protruding to the outside of the housing chamber 23.

In one embodiment, the fifth through hole 214 is a rectangular hole. In this way, the second preset light beam can be conveniently adjusted in the length and width directions of the rectangular hole after being focused or deflected.

In one embodiment, the elastic membrane 31 is affixed to the inside surface of the closure 22. In this way, interference of the elastic membrane 31 from the outside is reduced.

In one embodiment, the first light-transmitting film 32 is attached to the inner side surface of the accommodating chamber 23. Thus, interference of the first light transmission film 32 from the outside is reduced.

In one embodiment, the second light-transmitting film 33 is attached to the inner surface of the accommodating chamber 23. Thus, interference of the second light transmitting film 33 from the outside is reduced.

In one embodiment, the third light-transmitting film 34 is attached to the inner surface of the accommodating chamber 23. Thus, interference of the second light transmitting film 33 from the outside is reduced.

In one embodiment, the fourth light-transmitting film 35 is attached to the inner surface of the accommodating chamber 23. Thus, interference of the second light transmitting film 33 from the outside is reduced.

In one embodiment, the first light transmissive film 32 is a polydimethylsiloxane elastomeric film. Thus, the light-transmitting property is good and the deformation is easy.

In one embodiment, the second light-transmitting film 33 is a polyvinyl chloride resin sheet. Thus, the light-transmitting property is good, the rigidity is good, and the deformation is not easy.

In one embodiment, the third light-transmitting film 34 is a polydimethylsiloxane elastomeric film. Thus, the light-transmitting property is good and the deformation is easy.

In one embodiment, the fourth light-transmitting film 35 is a polyvinyl chloride resin sheet. Thus, the light-transmitting property is good, the rigidity is good, and the deformation is not easy.

In one embodiment, the first linear grooves 111 and the second linear grooves 112 are intersected to form a plurality of cross-shaped intersection spaces 15, the cross-section of the outer surface of the box body 21 is cross-shaped, and the box body 21 is clamped in the intersection spaces 15.

In one embodiment, the flexible substrate layer 1 is provided with first mounting holes 13, the first mounting holes 13 are communicated with the linear grooves, and the first light emitters 51 are mounted in the first mounting holes 13. Thus, it is very convenient to install the first light emitter 51. In one embodiment, first light emitter 51 is mounted in the same manner as second light emitter 53.

In one embodiment, the flexible substrate layer 1 is provided with a second mounting hole 14, the second mounting hole 14 is communicated with the linear groove, and the second light receiver 54 is mounted in the second mounting hole 14. Thus, it is very convenient to install the second light receiver 54. In one embodiment, the first optical receiver 52 is mounted in the same manner as the second optical receiver 54.

In one embodiment, the flexible pressing layer 41 is made of a first soft elastic material. The first flexible elastic material includes, but is not limited to: silica gel (Silicone Rubber) or Thermoplastic polyurethane elastomer rubbers (Thermoplastic polyurethanes).

In one embodiment, the flexible zoom lens module (in one embodiment, the flexible zoom lens module includes a case 21, a cover 22, an elastic film 31, a first light-transmissive film 32, and a second light-transmissive film 33) is made of a second flexible elastic material. The second flexible elastic material includes, but is not limited to: silica gel (Silicone Rubber) or Thermoplastic polyurethane elastomer rubbers (Thermoplastic polyurethanes).

In one embodiment, the flexible substrate layer 1 is made of a third flexibly elastic material. The third flexibly elastic material includes, but is not limited to: silica gel (Silicone Rubber) or Thermoplastic polyurethane elastomer rubbers (Thermoplastic polyurethanes).

In one embodiment, the elastic film 31 is a first high light transmittance elastic film. In one embodiment, the first high light transmittance elastic film includes, but is not limited to: polydimethylsiloxane (polydimethysiloxane) elastomeric films or Polyacrylate (Polyacrylate) films. In one embodiment, the elastic film 31 is a thin film made of a transparent material, so that the influence of the elastic film 31 on the predetermined light beam is reduced in the event that the predetermined light beam encounters the elastic film 31 during the deformation of the elastic film 31.

In one embodiment, the first light transmissive film 32 is a second high light transmittance elastic film. In one embodiment, the second high light transmittance elastic film includes, but is not limited to: polydimethylsiloxane (polydimethysiloxane) elastomeric films or Polyacrylate (Polyacrylate) films.

In one embodiment, the second light transmissive film 33 is a rigid, high transmittance sheet that serves both light transmission and support, and in one embodiment, the rigid, high transmittance sheet includes, but is not limited to: plexiglass (Polymeric Methyl Methacrylate) or Polyvinyl chloride (Polyvinyl chloride).

In one embodiment, the third light transmissive film 34 is a second high light transmittance elastic film. In one embodiment, the second high light transmittance elastic film includes, but is not limited to: polydimethylsiloxane (polydimethysiloxane) elastomeric films or Polyacrylate (Polyacrylate) films.

In one embodiment, the fourth light transmissive film 35 is a rigid, high transmittance sheet that serves both light transmissive and supportive functions, and in one embodiment, the rigid, high transmittance sheet includes, but is not limited to: plexiglass (Polymeric Methyl Methacrylate) or Polyvinyl chloride (Polyvinyl chloride).

Further, referring to fig. 1 to 9, as a specific embodiment of the array type tactile sensor provided by the present invention, two opposite sidewalls of the accommodating cavity 23 are respectively outwardly protruded to form a first boss and a second boss, the first boss is clamped in the first linear groove 111 on one side of the intersection area, and the second boss is clamped in the first linear groove 111 on the other side of the intersection area; the two opposite side walls of the accommodating cavity 23 are respectively protruded outwards to form a third boss and a fourth boss, the third boss is clamped in the second linear groove 112 on one side of the intersection area, and the fourth boss is clamped in the second linear groove 112 on the other side of the intersection area. Therefore, the first boss and the second boss are clamped in the first linear groove 111, the third boss and the fourth boss are clamped in the second linear groove 112, and the accommodating cavity 23 is prevented from moving in the using process.

Further, referring to fig. 1 to 9, as an embodiment of the array type tactile sensor provided by the present invention, the array type tactile sensor further includes: a convex portion 42 provided on the flexible pressing layer 41; the boss portion 42 is inserted in the first through hole 221. Thus, the user can push the protrusion 42 on the flexible pressing layer 41 to move by pressing the flexible pressing layer 41, and the elastic film 31 covering the first through hole 221 can be pushed to deform to press the space in the accommodating cavity 23 by moving the protrusion 42 inserted in the first through hole 221.

Further, referring to fig. 1 to 9, as an embodiment of the array-type tactile sensor provided by the present invention, the accommodating cavity 23 is filled with a predetermined liquid through which light beams (including a first predetermined light beam and a second predetermined light beam) can pass. In this way, the predetermined liquid is filled in the accommodating cavity 23, so that when the elastic film 31 is pressed, since the predetermined liquid is difficult to be compressed, the pressed predetermined liquid easily pushes the first light-transmitting film 32 and causes the first light-transmitting film 32 to deform (for example, the first light-transmitting film 32 protrudes toward the outside of the accommodating cavity 23); in addition, when the elastic film 31 is pressed, since the predetermined liquid is difficult to be compressed, the pressed predetermined liquid easily pushes the third light-transmitting film 34 and causes the third light-transmitting film 34 to deform (for example, the third light-transmitting film 34 protrudes toward the outside of the accommodating cavity 23); in addition, the predetermined liquid can be passed through by the light beam, and the light beam is prevented from being blocked by the predetermined liquid.

In one embodiment, the predetermined liquid is water or silicone oil.

Further, referring to fig. 1 to 9, as an embodiment of the array-type tactile sensor according to the present invention, the first linear grooves 111 are respectively disposed in parallel, and the second linear grooves 112 are respectively disposed in parallel. In this way, the flexible substrate layer 1 between the first linear grooves 111 is stressed more uniformly when being compressed.

Further, referring to fig. 1 to 9, as an embodiment of the array-type tactile sensor according to the present invention, each of the first linear grooves 111 is perpendicular to each of the second linear grooves 112. Thus, the first straight grooves 111 and the second straight grooves 112 are respectively formed into the intersection spaces 15 in a matrix arrangement.

Further, referring to fig. 1 to 9, as an embodiment of the array-type tactile sensor of the present invention, the first linear groove 111 and the second linear groove 112 have the same width. In this way, the deformation of the first and second linear grooves 111 and 112 under a force can be kept uniform.

In one embodiment, the second light transmissive film 33 is a rigid film (where "rigid" of the "rigid film" is a softness relative to the first light transmissive film 32; assuming that the hardness of the first light transmissive film 32 is a first hardness and the hardness of the second light transmissive film 33 is a second hardness, the second hardness being greater than the first hardness). Thus, the second light-transmitting film 33 is prevented from being deformed too much when the elastic film 31 presses the space in the accommodating cavity 23.

In one embodiment, the fourth light transmissive film 35 is a rigid film (where "rigid" of the "rigid film" is a softness relative to the third light transmissive film 34; assuming that the hardness of the third light transmissive film 34 is a first hardness and the hardness of the fourth light transmissive film 35 is a second hardness, the second hardness being greater than the first hardness). Thus, the fourth light-transmitting film 35 is prevented from being deformed too much when the elastic film 31 presses the space in the accommodating cavity 23.

In one embodiment, the flexible pressing layer 41 is provided with positioning posts 43, and the flexible substrate layer 1 is provided with positioning holes 12. In this way, the positioning columns 43 are inserted into the positioning holes 12, so that the flexible pressing layer 41 can be more firmly fixed on the flexible substrate layer 1.

In one embodiment, the number of the convex portion 42, the case 21, the elastic film 31, the first light transmissive film 32, and the second light transmissive film 33 is plural; the plurality of bosses 42, the plurality of cases 21, the plurality of elastic films 31, the plurality of first light-transmitting films 32, and the plurality of second light-transmitting films 33 are in one-to-one correspondence, respectively; the plurality of protrusions 42 are arranged in a matrix. In this manner, a plurality of protrusions 42 may form an array, such that a user may change the state of the first predetermined beam when contacting different protrusions 42.

In one embodiment, the number of the convex portion 42, the case 21, the elastic film 31, the third light transmission film 34, and the fourth light transmission film 35 is plural; the plurality of bosses 42, the plurality of cases 21, the plurality of elastic films 31, the plurality of third light transmission films 34, and the plurality of fourth light transmission films 35 are respectively in one-to-one correspondence; the plurality of protrusions 42 are arranged in a matrix. In this manner, a plurality of protrusions 42 may form an array, such that a user may change the state of the second predetermined beam when contacting a different protrusion 42.

In one embodiment, the flexible pressing layer 41 and the flexible substrate layer 1 are covered with a light shielding layer, respectively. In this way, interference of external light with a predetermined light beam between the flexible pressing layer 41 and the flexible substrate layer 1 is avoided.

In one embodiment, the light-shielding layer is a coated light-shielding material. In one embodiment, the light-shielding layer is black.

Referring to fig. 1 to 9, the present invention further provides a method for manufacturing an array type tactile sensor, including:

s1: preparing a flexible substrate layer 1; forming a plurality of first linear grooves 111 and a plurality of second linear grooves 112 on the flexible substrate layer 1; each first straight-line groove 111 is intersected with a plurality of second straight-line grooves 112 to form an intersection space 15; s2: preparing a first optical transmitter 51, a first optical receiver 52, a second optical transmitter 53, and a second optical receiver 54; the first predetermined light beam emitted by the first light emitter 51 propagates along the first linear groove 111 and reaches the first light receiver 52; the second predetermined light beam emitted by said second light emitter 53 propagates along the second rectilinear groove 112 and reaches the second light receiver 54; each first straight-line groove 111 is intersected with a plurality of second straight-line grooves 112 to form an intersection space 15; the plurality of first linear grooves 111, the plurality of first light emitters 51, and the plurality of first light receivers 52 are in one-to-one correspondence; the plurality of second linear grooves 112, the plurality of second light emitters 53, and the plurality of second light receivers 54 are in one-to-one correspondence; s3: preparing a flexible pressing layer 41 and an elastic light-transmitting component; elastic light-transmitting components are respectively arranged in the intersection spaces 15, and the flexible pressing layer 41 covers the first linear grooves 111 and the second linear grooves 112; when the flexible pressing layer 41 presses the elastic light-transmitting component towards the flexible substrate layer 1 under the action of an external force, the first preset light beam passing through the elastic light-transmitting component converges, and the second preset light beam passing through the elastic light-transmitting component converges.

In this way, the first light emitter 51 emits the first predetermined light beam and propagates along the first linear groove 111, and the first predetermined light beam propagating along the first linear groove 111 reaches the first light receiver 52 and is received; the second light emitter 53 emits a second predetermined light beam and propagates along the second linear groove 112, and the second predetermined light beam propagating along the second linear groove 112 reaches the second light receiver 54 to be received; the first linear groove 111, the first optical transmitter 51, and the first optical receiver 52 are plural in number; the plurality of first linear grooves 111, the plurality of first light emitters 51, and the plurality of first light receivers 52 are in one-to-one correspondence; the number of the second linear grooves 112, the number of the second light emitters 53, and the number of the second light receivers 54 are plural; the plurality of second linear grooves 112, the plurality of second light emitters 53, and the plurality of second light receivers 54 are in one-to-one correspondence; each first straight-line groove 111 is intersected with a plurality of second straight-line grooves 112 to form an intersection space 15, and the plurality of first straight-line grooves 111 and the plurality of second straight-line grooves 112 are intersected with each other to form an array of intersection spaces 15; each intersection space 15 is internally provided with an elastic light-transmitting component, the first preset light beam passes through the elastic light-transmitting component, and the second preset light beam passes through the elastic light-transmitting component; when the flexible pressing layer 41 presses the elastic light-transmitting component, the elastic light-transmitting component deforms and converges the first predetermined light beam, so that the first predetermined light beam received by the first light receiver 52 changes, and a user determines whether the elastic light-transmitting component in the first linear groove 111 is pressed or not according to the change; when the flexible pressing layer 41 presses the elastic light-transmitting component, the elastic light-transmitting component deforms and converges the second predetermined light beam, so that the second predetermined light beam received by the second light receiver 54 changes, and a user determines whether the elastic light-transmitting component in the second linear groove 112 is pressed or not according to the change; when the elastic light-transmitting component in a certain intersection space 15 is pressed, the first predetermined light beam in the first straight-line groove 111 corresponding to the intersection space 15 changes, the second predetermined light beam in the second straight-line groove 112 corresponding to the intersection space 15 changes, and a user can judge which elastic light-transmitting component in the intersection space 15 is pressed according to the light beam changes in the first straight-line groove 111 and the second straight-line groove 112, so that the pressed coordinate position is judged.

Further, referring to fig. 1 to 9, as an embodiment of the array-type tactile sensor according to the present invention, the first linear grooves 111 are respectively disposed in parallel, and the second linear grooves 112 are respectively disposed in parallel; each of the first linear grooves 111 is perpendicular to each of the second linear grooves 112.

In one embodiment, S01: a flexible pressing layer 41, a flexible zoom lens module (in one embodiment, the flexible zoom lens module includes a box body 21, a cover 22, an elastic film 31, a first light-transmitting film 32, a second light-transmitting film 33, a third light-transmitting film 34, and a fourth light-transmitting film 35), and a flexible substrate layer 1, which are designed and manufactured respectively; s02: the flexible liquid elastic material (in one embodiment, the flexible liquid elastic material is liquid silicone, and it should be noted that, according to the functional characteristics of different functional layers, the hardness of the liquid silicone is different, wherein the flexible pressing layer 41 and the flexible substrate layer 1 are low-hardness liquid silicone (in one embodiment, the silicone is a Smooth-on Ecoflex type silicone), and the case 21 of the flexible zoom lens module is high-hardness liquid silicone (in this embodiment, the Smooth-on Ecoflex type silicone is used), and the case is a low-hardness liquid silicone (it should be noted here that "high" and "low" in the high-hardness liquid silicone and the low-hardness liquid silicone are used only for describing the comparison between the hardness of the "high-hardness liquid silicone" and the hardness of the "low-hardness liquid silicone"; for example, the hardness of the high-hardness liquid silicone is a first hardness, and the hardness of the low-hardness liquid silicone is a second hardness, the first hardness is greater than the second hardness; therefore, the flexible substrate layer 1 is more difficult to deform relative to the flexible zoom lens module, the stability of the flexible zoom lens module is prevented from being influenced by the 1 type deformation of the flexible substrate layer is avoided), and the flexible zoom lens module is poured into a manufactured mold and is debubbled (debubbled: removing bubbles to avoid the influence of the bubbles on the elasticity of the silica gel and the influence of the bubbles on the consistency of deformation of the silica gel in different directions) and heating and curing (wherein the flowability of the silica gel is enhanced in the heating process, so that the silica gel is convenient to form; the required shape can be obtained after curing), and after the flexible pressing layer 41, the flexible zoom lens module and the body of the flexible substrate layer 1 are obtained by demolding after the flexible pressing layer is completely cured; s03: attaching an elastic film 31 to the inner surface of the cover 22 and sealing the first through hole 221, attaching a first light-transmitting film 32 (in one embodiment, the first light-transmitting film 32 and the third light-transmitting film 34 are produced and installed in the same manner, in one embodiment, the second light-transmitting film 33 and the fourth light-transmitting film 35 are produced and installed in the same manner) to the inner wall of the accommodating chamber 23 and sealing the second through hole 211, attaching a second light-transmitting film 33 to the inner wall of the accommodating chamber 23 and sealing the third through hole 212 (in one embodiment, the elastic film 31 is a polydimethylsiloxane elastic film, in one embodiment, the first light-transmitting film 32 is a polydimethylsiloxane elastic film, in one embodiment, the second light-transmitting film 33 is a polyvinyl chloride resin sheet); finally, filling a high-transmittance solution (here, the "high" of the high transmittance is greater than the refractive index of water) into the flexible cavity, and then performing adhesive sealing (in this embodiment, the adhesive bonding is performed by using a silica gel adhesive) on the flexible cavity and the cover 22 to obtain a flexible zoom lens module (in one embodiment, based on step S03, according to the requirement of the number of the sensor contacts, a corresponding number of flexible zoom lens modules are prepared); s04: the inner surface and the outer surface of the flexible pressing layer 41 and the flexible substrate layer 1 are respectively covered with a full shading material (such as black paint or paint); s05: sequentially embedding the prepared flexible zoom lens modules into an array-type mounting groove arranged on the upper surface of the flexible substrate layer 1, and then carrying out adhesive bonding and fixing on each flexible zoom lens module and the inner wall of the groove by using a silica gel adhesive; s06: embedding a corresponding number of first light emitters 51 (in one embodiment, the second light emitter 53 is identical in structure and mounting to the first light emitter 51. in one embodiment, the second light receiver 54 is identical in structure and mounting to the first light receiver 52.) and the first light receivers 52 in sequence into mounting holes of the first light emitters 51 and the first light receivers 52 that are opened in the side surface of the flexible substrate layer 1; wherein, the first optical transmitter 51 is used for placing the center of a second through hole 211 (in one embodiment, the second through hole 211 is circular) on the box 21, and the first optical receiver 52 is used for placing the center of a third through hole 212 (in one embodiment, the third through hole 212 is rectangular) on the box 21; s07: inserting the positioning column 43 on the lower surface of the flexible pressing layer 41 into the positioning hole 12 on the upper surface of the flexible substrate layer 1 until the lower surface of the flexible pressing layer 41 is completely attached to the upper surface of the flexible substrate layer 1; and then, carrying out adhesive bonding on the array type touch sensor by using a silica gel adhesive so as to obtain the array type touch sensor provided by the invention.

Further, referring to fig. 1 to 9, as an embodiment of the array type tactile sensor provided by the present invention, a predetermined liquid for light beams to pass through is filled in the accommodating cavity 23. In this way, the predetermined liquid is filled in the accommodating cavity 23, so that when the elastic film 31 is pressed, since the predetermined liquid is difficult to be compressed, the pressed predetermined liquid easily pushes the first light-transmitting film 32 and causes the first light-transmitting film 32 to deform (for example, the first light-transmitting film 32 protrudes toward the outside of the accommodating cavity 23); the squeezed predetermined liquid easily pushes the third light-transmitting film 34 and causes the third light-transmitting film 34 to deform (for example, the third light-transmitting film 34 protrudes toward the outside of the accommodating cavity 23); in addition, the predetermined liquid can be passed through by the predetermined light beam, and the predetermined liquid is prevented from blocking the predetermined light beam.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.