阅读说明：本技术 蓬松触感复现装置及方法和基于蓬松触感复现的网购方法 (Fluffy touch reproduction device and method and online shopping method based on fluffy touch reproduction ) 是由 姚宝国 周子晗 宫保强 于 2021-07-23 设计创作，主要内容包括：本发明公开了一种蓬松触感复现装置及方法,所述复现物体蓬松触感的装置,包括电源、支撑框架、上板、氯丁橡胶膜、蓬松感复现基体、弹力聚合物网格、限定框、线圈、底板、压力传感器和监测仪,弹力聚合物网格放置于上板上的限定框内,上方放置有一氯丁橡胶膜,氯丁橡胶膜下表面连接有若干灌注有磁流变液的蓬松感复现基体,通过控制流经线圈的电流强度,改变线圈产生的磁场强度,进而调整氯丁橡胶套管中磁流变液的屈服强度,并与周边弹力聚合物网格的弹力复合,综合复现不同程度的蓬松触感,并对复现的蓬松触感进行实时监测,与真实的蓬松触感对比后将误差修正,使其更加接近真实触感,实现对蓬松触感的动态复现。(The invention discloses a fluffy touch reappearing device and a fluffy touch reappearing method, the fluffy touch reappearing device comprises a power supply, a supporting frame, an upper plate, a chloroprene rubber film, a fluffy touch reappearing base body, an elastic polymer grid, a limiting frame, a coil, a bottom plate, a pressure sensor and a monitor, wherein the elastic polymer grid is arranged in the limiting frame on the upper plate, the chloroprene rubber film is arranged above the elastic polymer grid, the lower surface of the chloroprene rubber film is connected with a plurality of fluffy touch reappearing base bodies filled with magnetorheological fluid, the magnetic field intensity generated by the coil is changed by controlling the current intensity flowing through the coil, the yield strength of the magnetorheological fluid in a chloroprene rubber sleeve is adjusted and compounded with the elastic force of the elastic polymer grid at the periphery, fluffy touch of different degrees is comprehensively reappeared, the reappeared fluffy touch is monitored in real time, the error is corrected after being compared with the real fluffy touch, the touch feeling is more approximate to the real touch feeling, and the dynamic reappearance of fluffy touch feeling is realized.)

1. A fluffy touch reappearing device comprises a fluffy touch reappearing base body (5), an electromagnetic device and a supporting frame (2), wherein the fluffy touch reappearing base body (5) is positioned above the electromagnetic device; the method is characterized in that: magnetorheological fluid (13) is arranged in the fluffy feeling reproduction base bodies (5), a plurality of fluffy feeling reproduction base bodies (5) are arranged in the elastic polymer grids (6), rubber membranes are laid on the fluffy feeling reproduction base bodies (5), the elastic polymer grids (6) are arranged in the limiting frame (7), the limiting frame (7) is arranged on the upper plate (3), the upper plate (3) is arranged on the supporting frame (2), and the electromagnetic device is arranged in the supporting frame (2);

the current flowing through the electromagnetic device is adjusted to adjust the attraction of the magnetorheological fluid (13) arranged in the fluffy feeling reproduction matrix (5) by the electromagnetic device; setting the current flowing through the electromagnetic device and the initial height of the elastic polymer mesh (6) according to the fluffy touch characteristic value, thereby reproducing the fluffy touch.

2. The bulky tactile reproduction device according to claim 1, characterized in that: it still includes pressure sensor (10) and monitor (11), pressure sensor (10) set up in fluffy sense recurrence base member (5) bottom, monitor (11) set up in on upper plate (3), pressure sensor (10) are used for gathering each pressure data of fluffy sense recurrence base member (5) below, and will pressure data transmit for monitor (11), with the monitoring fluffy sense recurrence base member (5) the rate of change of pressure that receives.

3. The fluffy touch reproduction device of claim 1 or 2, characterized in that: the fluffy feeling reappearing base body (5) comprises a chloroprene rubber sleeve (12) and magnetorheological fluid (13), the rubber film is a chloroprene rubber film (4), the upper surface of the chloroprene rubber sleeve (12) is tightly connected with the lower surface of the chloroprene rubber film (4) to form a whole, the lower part of the chloroprene rubber sleeve (12) is in contact with a pressure sensor (10), and the magnetorheological fluid (13) is filled in a cavity between the chloroprene rubber sleeve (12) and the chloroprene rubber film (4).

4. The bulky tactile reproduction device according to claim 3, characterized in that: the electromagnetic device comprises a plurality of coils (8) and a magnetic core which are uniformly distributed on a bottom plate (9) of the supporting frame (2), wherein the coils (8) are sleeved on the magnetic core, and the coils (8) are powered by a power supply (1) through a monitor (11).

5. The bulky tactile reproduction device according to claim 3, characterized in that: the interior size of restriction frame (7) with the external dimensions of elasticity polymer net (6) is the same for inject the position of elasticity polymer net (6), elasticity polymer net (6) are corrugated, have elasticity adjustable compressibility, and its inside is equipped with a plurality of cellular square chambeies that from top to bottom run through, and the square chamber is used for injecing the position of fluffy sense recurrence base member (5), and a square chamber is arranged in every fluffy sense recurrence base member (5), a chloroprene rubber membrane (4) has been placed to elasticity polymer net (6) top, chloroprene rubber membrane (4) lower surface is connected with a plurality of fluffy sense recurrence base members (5).

6. The bulky tactile reproduction device according to claim 3, characterized in that: according to the fluffy touch characteristic value of a known sample, the current intensity passing through the coil and the initial height of the elastic polymer grid (6) required for reproducing the fluffy touch characteristic value are obtained, power is supplied to the coil through a power supply to obtain the expected current intensity, a magnetic field with corresponding intensity is generated, the chloroprene rubber film (4) is pressed downwards, in the process that the fluffy touch reproducing matrix (5) is pressed downwards, the force required for pressing is gradually increased, the magnetorheological fluid is gradually close to the energized coil in the process of downwards displacement, the magnetic field intensity is gradually increased, and the fluffy touch feeling with dynamic change can be sensed by the fluffy touch reproducing matrix.

7. A fluffy touch reproduction method based on the fluffy touch reproduction device of claim 3, characterized in that: the current intensity flowing through the coil is controlled, the magnetic field intensity generated by the coil is changed, so that the yield strength of the magnetorheological fluid in the chloroprene rubber sleeve is adjusted, and the magnetorheological fluid is compounded with the elastic force of the elastic polymer grid with the adjustable height at the periphery to cooperatively reproduce fluffy touch feeling of different degrees; when the fluffy feeling reappearing matrix and the elastic polymer grid are extruded by the human body sensor, the pressure sensor acquires a pressure value and transmits the pressure value to the monitor, so that a fluffy feeling characteristic value corresponding to the change rate of the real-time pressure value appearing by the reappearing fluffy feeling is obtained, the pressure value is compared with a characteristic value corresponding to the real fluffy feeling, the error between the fluffy feeling characteristic value and the real fluffy feeling characteristic value is corrected by adjusting the current intensity, and then the monitoring and the correction are continued until the error between the fluffy feeling characteristic value corresponding to the reappearing fluffy feeling and the fluffy feeling characteristic value corresponding to the real fluffy feeling is eliminated.

8. The fluffy feel reproduction method of claim 7, wherein the specific reproduction steps are as follows:

the method comprises the following steps: obtaining the expected current intensity required to flow through the coil to reproduce the fluffy touch feeling of the known object from the characteristic grade of the fluffy touch feeling;

step two: turning on a power supply to supply power to the coil, so that the current flowing through the coil reaches the expected current intensity;

step three: the chloroprene rubber film is pressed downwards to deform, the fluffy feeling reappearing base body below the pressed part is extruded, meanwhile, the elastic polymer grid between the upper plate and the chloroprene rubber film is also extruded, a user can feel fluffy feeling, the user can feel fluffy feeling of different degrees by changing the current intensity of the coil and the initial height of the elastic polymer grid, the force required by pressing is gradually increased in the process that the fluffy feeling reappearing base body and the elastic polymer grid are pressed to move downwards, and the user can feel the fluffy feeling of dynamic change in the process;

step four: the monitor monitors the change rate of the pressure value transmitted to the upper plate by the fluffy touch reappearing matrix, compares whether the fluffy touch characteristic value corresponding to the value is consistent with the real fluffy touch characteristic value, if not, changes the current intensity, further changes the magnetic field intensity generated by the coil until the error between the reappearing fluffy touch and the real fluffy touch is eliminated, and realizes the real-time feedback correction of the reappearing fluffy touch and the dynamic reappearing of the fluffy touch through control parameters.

9. The fluffy feel reproduction method according to claim 7 or 8, characterized in that: the characteristic value of the fluffy touch feeling is obtained by testing of a fluffy touch feeling quantification device, and the relation between the characteristic value of the fluffy touch feeling and the current intensity passing through the coil is established through calculation or simulation.

10. A textile online shopping method based on fluffy touch reappearance is characterized by comprising the following steps: labeling a fluffy touch characteristic value on an online shopping interface, and carrying out touch reproduction on the fluffy touch characteristic value by a user based on the fluffy touch reproduction device of any one of claims 1-6 so as to assist the selection and decision of textile goods; fluffy touch characteristic value transmits for the virtual reality system simultaneously, builds the fabrics that fluffy touch characteristic value corresponds in the virtual reality environment, through fluffy touch recurrence device and virtual reality system, gives the user with sense of touch and vision recurrence simultaneously, lets the user online purchase the experience of on-the-spot sense of touch and visual sensation occasionally of fabrics.

Technical Field

The invention relates to the technical field of touch reproduction, in particular to a fluffy touch reproduction device and method and a net purchasing method based on fluffy touch reproduction.

Background

The practical value of the clothes is evaluated, the comfort of the clothes when the clothes are worn needs to be sensed firstly, and the clothes are beneficial to daily work and life only when the clothes are worn comfortably; secondly, the appearance, aesthetic apparel, is selected for purchase. At present, people buy clothes mainly by visually perceiving the comfort of the clothes, and judging the fluffy feeling and the rough feeling of the clothes according to clothes pictures seen by eyes and some characteristic data. Because of the problem that the angle of picture shooting, the light difference and the characteristic data can not be quantized, the actual clothing touch feeling is often greatly different from the touch feeling of subjective judgment. The touch of the garment is not really perceived, which is far from sufficient to select a comfortable garment that meets the touch requirements. Therefore, it is very significant to study the reproduction of soft and bulky touch.

Chinese patent CN 111923034A discloses a flexible finger with variable rigidity and a control method thereof, wherein a magnetorheological fluid channel is arranged in the finger section along the axial direction, the magnetic field intensity is controlled through electrodes on the finger joints, and the rigidity of the magnetorheological fluid is further controlled, so that the flexible finger has the advantages of both rigidity and flexibility, and the rigidity and the fluffy degree of the finger are reproduced. Chinese patent CN 105138223a discloses an object softness reproduction method based on a fingerstall type force touch interactive device, which simulates the magnitude of an acting force and the softness and hardness characteristics of a virtual object during a human hand pressing process by controlling the amplitude and vibration rhythm of a piezoelectric actuator, so as to reproduce fluffy touch.

Although the above methods reproduce the bulk of the object, the bulk of the object is reproduced by a single variable control, and it is a common knowledge that the object is compressed to be more compact than the normal one, and since the conventional techniques cannot change the bulk of the reproduced touch according to the degree of compression, the true bulk cannot be accurately reproduced.

Disclosure of Invention

In view of this, the present invention provides a device and a method capable of accurately reproducing a fluffy touch of an object, aiming at the technical problem that the fluffy touch of the prior art cannot be accurately reproduced.

The technical solution of the present invention is to provide a fluffy touch reproduction device having a structure including

The fluffy feeling reappearing device comprises a fluffy feeling reappearing base body, an electromagnetic device and a supporting frame, wherein the fluffy feeling reappearing base body is positioned above the electromagnetic device; magnetorheological fluid is arranged in the fluffy feeling reappearing basal bodies, the fluffy feeling reappearing basal bodies are arranged in the elastic polymer grids, rubber membranes are laid on the fluffy feeling reappearing basal bodies, the elastic polymer grids are arranged in a limiting frame, the limiting frame is arranged on an upper plate, the upper plate is arranged on the supporting frame, and the electromagnetic device is arranged in the supporting frame;

adjusting the attraction of the magnetorheological fluid in the fluffy feeling reproduction matrix by the electromagnetic device by adjusting the current flowing through the electromagnetic device; setting the current flowing through the electromagnetic device and the initial height of the elastic polymer mesh according to the fluffy touch characteristic value, thereby reproducing the fluffy touch.

Optionally, the fluffy feeling monitoring device further comprises a pressure sensor and a monitor, wherein the pressure sensor is arranged at the bottom of the fluffy feeling reproduction base body, the monitor is arranged on the upper plate, the pressure sensor is used for acquiring pressure data below the fluffy feeling reproduction base body and transmitting the pressure data to the monitor so as to monitor the change rate of the pressure applied to the fluffy feeling reproduction base body.

Optionally, the fluffy feeling reappearing base body comprises a chloroprene rubber sleeve and magnetorheological fluid, the rubber membrane is a chloroprene rubber membrane, the upper surface of the chloroprene rubber sleeve is tightly connected with the lower surface of the chloroprene rubber membrane to form a whole, the lower part of the chloroprene rubber sleeve is in contact with a pressure sensor, and the magnetorheological fluid is filled in a cavity between the chloroprene rubber sleeve and the chloroprene rubber membrane.

Optionally, the electromagnetic device includes a plurality of coils and a magnetic core that evenly distributed on braced frame's bottom plate, the coil cover is established on the magnetic core, the coil passes through the monitor power supply by the power.

Optionally, the internal dimension of restriction frame with the external dimension of elasticity polymer net is the same for inject the position of elasticity polymer net, elasticity polymer net is the corrugate, has elasticity adjustable compressibility, and its inside is equipped with a plurality of cellular square chambeies that run through from top to bottom, and the square chamber is used for injecing the position of fluffy sense recurrence base member, and every fluffy sense recurrence base member is arranged in a square chamber, a chloroprene rubber membrane has been placed to elasticity polymer net top, chloroprene rubber membrane lower surface is connected with a plurality of fluffy sense recurrence bases.

Optionally, according to a fluffy touch characteristic value of a known sample, obtaining current intensity passing through a coil and an initial height of the elastic polymer grid required for reproducing the fluffy touch characteristic value, supplying power to the coil through a power supply to obtain expected current intensity, generating a magnetic field with corresponding intensity, pressing the chloroprene rubber film downwards, gradually increasing force required for pressing when the fluffy touch reproduction substrate is pressed downwards, wherein the magnetorheological fluid gradually approaches to the energized coil in the downwards displacement process, the magnetic field intensity is gradually increased, and the fluffy touch feeling with dynamic change can be sensed through the fluffy touch reproduction substrate.

The second technical scheme of the invention is to provide a fluffy touch reappearing method, based on a fluffy touch reappearing device, the current intensity flowing through a coil is controlled, the magnetic field intensity generated by the coil is changed, so that the yield strength of the magnetorheological fluid in the chloroprene rubber sleeve is adjusted, the magnetorheological fluid is compounded with the elastic force of the elastic polymer grid with the adjustable height at the periphery, and fluffy touch with different degrees is reappeared in a coordinated manner;

when the fluffy feeling reappearing matrix and the elastic polymer grid are extruded by the human body sensor, the pressure sensor acquires a pressure value and transmits the pressure value to the monitor, so that a fluffy feeling characteristic value corresponding to the change rate of the real-time pressure value appearing by the reappearing fluffy feeling is obtained, the pressure value is compared with a characteristic value corresponding to the real fluffy feeling, the error between the fluffy feeling characteristic value and the real fluffy feeling characteristic value is corrected by adjusting the current intensity, and then the monitoring and the correction are continued until the error between the fluffy feeling characteristic value corresponding to the reappearing fluffy feeling and the fluffy feeling characteristic value corresponding to the real fluffy feeling is eliminated.

Optionally, the specific recurring steps are as follows:

the method comprises the following steps: obtaining the expected current intensity required to flow through the coil to reproduce the fluffy touch feeling of the known object from the characteristic grade of the fluffy touch feeling;

step two: turning on a power supply to supply power to the coil, so that the current flowing through the coil reaches the expected current intensity;

step three: the chloroprene rubber film is pressed downwards to deform, the fluffy feeling reappearing base body below the pressed part is extruded, meanwhile, the elastic polymer grid between the upper plate and the chloroprene rubber film is also extruded, a user can feel fluffy feeling, the user can feel fluffy feeling of different degrees by changing the current intensity of the coil and the initial height of the elastic polymer grid, the force required by pressing is gradually increased in the process that the fluffy feeling reappearing base body and the elastic polymer grid are pressed to move downwards, and the user can feel the fluffy feeling of dynamic change in the process;

step four: the monitor monitors the change rate of the pressure value transmitted to the upper plate by the fluffy touch reappearing matrix, compares whether the fluffy touch characteristic value corresponding to the value is consistent with the real fluffy touch characteristic value, if not, changes the current intensity, further changes the magnetic field intensity generated by the coil until the error between the reappearing fluffy touch and the real fluffy touch is eliminated, and realizes the real-time feedback correction of the reappearing fluffy touch and the dynamic reappearing of the fluffy touch through control parameters.

Optionally, the characteristic value of the fluffy touch feeling is obtained by a fluffy touch feeling quantification device through testing, and the relationship between the characteristic value of the fluffy touch feeling and the current intensity passing through the coil is established through calculation or simulation.

The third technical scheme of the invention is to provide a textile online shopping method based on fluffy touch reappearance, wherein fluffy touch characteristic values are marked on an online shopping interface, and a user carries out touch reappearance on the fluffy touch characteristic values based on a fluffy touch reappearance device so as to assist in selecting and purchasing and deciding textile articles; fluffy touch characteristic value transmits for the virtual reality system simultaneously, builds the fabrics that fluffy touch characteristic value corresponds in the virtual reality environment, through fluffy touch recurrence device and virtual reality system, gives the user with sense of touch and vision recurrence simultaneously, lets the user online purchase the experience of on-the-spot sense of touch and visual sensation occasionally of fabrics.

Compared with the prior art, the invention has the following advantages: by adopting the fluffy touch feeling feedback method and device, people can actively sense the real fluffy touch feeling instead of judging the fluffy touch feeling of the textile through vision and object characteristics, the fluffy touch feeling can become compact along with the increase of the pressing degree and is similar to the state of a real object when being pressed, the fluffy touch feeling can be accurately reproduced, the fluffy touch feeling feedback method and device can be applied to industries such as textiles and the like, the remote sensing of the fluffy touch feeling is realized, the fluffy touch feeling feedback method and device can be applied to the auxiliary decision of online shopping, the fluffy touch characteristic value is simultaneously transmitted to a virtual reality system, the textile corresponding to the fluffy touch characteristic value is constructed in the virtual reality environment, the touch feeling and the vision are simultaneously reproduced to users through the fluffy touch feeling reproduction device and the virtual reality system, and the experience of the onsite experience is realized when the users purchase the textiles in an online.

Drawings

Fig. 1 is an isometric view of a bulky tactile reproduction device of the present invention.

Fig. 2 is a front view of the fluffy touch reproduction device of the present invention.

Fig. 3 is a schematic structural view of a fluffy feeling reproduction substrate.

In the figure: the device comprises a power supply 1, a supporting frame 2, an upper plate 3, a chloroprene rubber membrane 4, a fluffy feeling reproduction base body 5, an elastic polymer grid 6, a limiting frame 7, a coil 8, a bottom plate 9, a pressure sensor 10, a monitor 11, a chloroprene rubber sleeve 12 and magnetorheological fluid 13.

Detailed Description

The invention is further described with reference to the following figures and specific examples.

The invention is intended to cover alternatives, modifications, equivalents, and alternatives that may be included within the spirit and scope of the invention. In the following description of the preferred embodiments of the present invention, specific details are set forth in order to provide a thorough understanding of the present invention, and it will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Moreover, the drawings of the present invention are not necessarily to scale, nor are they necessarily to scale, as may be shown and described herein.

As shown in fig. 1 to 3, the fluffy touch feeling reproduction apparatus of the present invention comprises a power supply 1, a support frame 2, an upper plate 3, a neoprene film 4, a fluffy feeling reproduction base 5, an elastic polymer mesh 6, a limiting frame 7, a coil 8, a bottom plate 9, a pressure sensor 10 and a monitor 11, wherein the power supply 1, the support frame 2 and the coil 8 are all fixed on the bottom plate 9, wherein the coil 8 comprises a plurality of coils uniformly distributed on the bottom plate 9, the upper plate 3 is fixed on the support frame 2, the limiting frame 7 and the monitor 11 are fixed on the upper surface of the upper plate 3, the monitor 11 monitors the pressure transmitted to the upper plate 3 by the fluffy feeling reproduction base 5 in real time and adjusts the current intensity passing through the coil 8, the inner size of the limiting frame 7 is the same as the outer size of the elastic polymer mesh 6 for limiting the position of the elastic polymer mesh 6, the elastic polymer grid 6 is generally corrugated and has compressibility, the elasticity can be adjusted, the elastic polymer grid is placed in a limiting frame 7, a plurality of square cavities penetrating through the elastic polymer grid from top to bottom are formed in the elastic polymer grid, the square cavities are used for limiting the positions of fluffy reappearing matrixes 5, each fluffy reappearing matrix 5 is placed in one square cavity, a chloroprene rubber film 4 is placed above the elastic polymer grid 6, the lower surface of the chloroprene rubber film 4 is connected with a plurality of fluffy reappearing matrixes 5, each fluffy reappearing matrix 5 comprises a chloroprene rubber sleeve 12 and magnetorheological fluid 13, the upper surface of the chloroprene rubber sleeve 12 is tightly connected with the lower surface of the chloroprene rubber film 4 to form a whole, the lower part of the chloroprene rubber sleeve 12 is in contact with a pressure sensor 10, and the magnetorheological fluid 13 is filled in a cavity between the chloroprene rubber sleeve 12 and the chloroprene rubber film 4.

The device specifically comprises the following reproduction steps: the method comprises the steps of firstly calculating the characteristic value of fluffy touch of a known object to obtain the current intensity required by the fluffy touch to be reproduced through a coil, then turning on a power supply to provide the calculated current to the coil through a monitor to generate a magnetic field with specified intensity, and then contacting and pressing a chloroprene rubber film downwards by a user.

The characteristic value of the fluffy touch feeling is obtained by testing of a fluffy touch feeling quantification device, and the relation between the characteristic value of the fluffy touch feeling and the current intensity passing through the coil and the initial height of the elastic polymer grid is established through calculation or simulation.

The invention is further illustrated by the following specific example.

The method comprises the steps of selecting 5 typical samples with known fluffy touch characteristic values, calculating the fluffy touch characteristic values to obtain the current intensity required to pass through the coil and the initial height of the elastic polymer grid when the fluffy touch characteristic values are reproduced, and enabling the fluffy touch characteristic values of the samples, the corresponding initial height H of the elastic polymer grid and the current intensity I to pass through the coil to be shown in the table 1.

Table 1: sample fluffy touch characteristic value, corresponding pressure change rate and control parameter

And then, turning on a power supply, providing the calculated current to the coil through a monitor, generating a magnetic field with specified strength to change the yield strength of the fluffy feeling reappearing matrix, then contacting and pressing the chloroprene rubber film downwards by a user, acquiring data by a pressure sensor below each fluffy feeling reappearing matrix, comparing whether the fluffy feeling characteristic value corresponding to the average change rate of the pressure is consistent with the real fluffy feeling characteristic value or not, if not, correcting the control parameters, continuing to monitor until the error between the reappearing fluffy feeling and the real fluffy feeling felt by the user is eliminated, after the feeling is finished, turning off the power supply, and finishing the simulation for one time.

The foregoing is illustrative of the preferred embodiments of the present invention only and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. In general, all changes which come within the scope of the invention as defined by the independent claims are intended to be embraced therein.