阅读说明：本技术 一种单筒测距望远镜和测距成像方法 (Monocular distance measuring telescope and distance measuring imaging method ) 是由 孙丛林 于 2021-09-17 设计创作，主要内容包括：本发明公开了一种单筒测距望远镜,包括壳体、望远模块、发射模块、接收模块、成像模块和控制模块；望远模块包括目镜组和物镜；发射模块包括发射二级管、发射镜筒和发射透镜；接收模块包括转像棱镜组、接收透镜、接收板和光电二极管,转像棱镜组能够将由物镜进入的光线分光至接收透镜；成像模块包括LCD透射屏或成像模块包括光阑、OLED镜片组和OLED显示屏；控制模块包括按键板、主板和发射板,按键板固设在壳体上,按键板上设置有用于控制主板的按键,发射板和接收板与主板电连接。还提供了一种测距成像方法。本发明的单筒测距望远镜和测距成像方法实现了仅用一个筒就能达到目前多筒产品才有的望远观察及测距信息成像显示的功能,体积小、成本低。(The invention discloses a monocular distance measuring telescope which comprises a shell, a telescope module, a transmitting module, a receiving module, an imaging module and a control module, wherein the telescope module is arranged in the shell; the telescope module comprises an eyepiece group and an objective lens; the emission module comprises an emission diode, an emission lens barrel and an emission lens; the receiving module comprises an image transfer prism group, a receiving lens, a receiving plate and a photodiode, wherein the image transfer prism group can be used for splitting light rays entering from the objective lens to the receiving lens; the imaging module comprises an LCD transmission screen or comprises a diaphragm, an OLED lens group and an OLED display screen; the control module comprises a key board, a mainboard and a transmitting board, the key board is fixedly arranged on the shell, keys used for controlling the mainboard are arranged on the key board, and the transmitting board and the receiving board are electrically connected with the mainboard. A range imaging method is also provided. The monocular distance measuring telescope and the distance measuring imaging method realize the functions of telescopic observation and distance measuring information imaging display which are only available in the prior multi-tube products by using only one tube, and have small volume and low cost.)

1. A monocular distance measuring telescope, its characterized in that: the device comprises a shell, a telescopic module, a transmitting module, a receiving module, an imaging module and a control module; the telescope module comprises an eyepiece group and an objective lens, and the eyepiece group and the objective lens are respectively arranged in a telescope tube of the shell;

the emission module comprises an emission diode, an emission lens barrel and an emission lens, the emission lens barrel is positioned in the telescope lens barrel, the objective lens is provided with a notch corresponding to the emission lens barrel, and the emission lens barrel penetrates through the notch; the emitting diode and the emitting lens are respectively arranged in the emitting lens barrel, and the light emitting surface of the light emitting chip of the emitting diode is positioned on the focus and the optical axis of the emitting lens;

the receiving module comprises an image conversion prism group, a receiving lens, a receiving plate and a photodiode, wherein the image conversion prism group is fixedly arranged between the eyepiece group and the objective lens, the image conversion prism group can split light entering from the objective lens to the receiving lens, the photodiode is electrically connected with the receiving plate, and a chip photosensitive area of the photodiode is positioned at the focus of the receiving lens;

the imaging module comprises an LCD transmission screen or the imaging module comprises a diaphragm, an OLED lens group and an OLED display screen, the LCD transmission screen is arranged between the eyepiece group and the relay prism group, and the LCD transmission screen is positioned on a focal plane of the eyepiece group; the image of the OLED display screen can be projected on the focal plane of the diaphragm and the eyepiece set sequentially through the OLED lens set and the relay prism set;

the control module comprises a key board, a mainboard and a transmitting board, wherein the key board is fixedly arranged on the shell, a key used for controlling the mainboard is arranged on the key board, the transmitting board is electrically connected with the receiving board, and the key is triggered to enable the mainboard to pass through the transmitting board and the light-emitting diode to emit laser, so that the mainboard receives distance information fed back by the echo signal fed back by the receiving board after calculating the distance information, and the distance information is displayed on the LCD transmission screen or the OLED screen.

2. The monocular distance measuring telescope of claim 1, wherein: the eyepiece adjusting mechanism comprises a movable barrel and a fixed barrel, the fixed barrel is fixedly arranged on the shell, the eyepiece group is fixedly arranged in the movable barrel, the movable barrel penetrates through the fixed barrel, a spiral curve groove is formed in the side wall of the fixed barrel, a guide nail is arranged on the side wall of the movable barrel, the guide nail is positioned in the curve groove, and the guide nail is in sliding fit with the curve groove; the position of the focal plane of the eyepiece group can be adjusted by rotating the moving cylinder.

3. The monocular distance measuring telescope of claim 1, wherein: the lens adjusting structure comprises an inner cylindrical barrel and an outer cylindrical barrel, the receiving lens is fixedly arranged on the inner cylindrical barrel, a spiral sliding groove is fixedly arranged on the inner wall of the outer cylindrical barrel, a protruding guide pillar is arranged on the side wall of the inner cylindrical barrel, and the protruding guide pillar is in sliding fit with the sliding groove; the focal plane of the receiving lens can be adjusted by rotating the inner cylinder.

4. The monocular distance measuring telescope of claim 1, wherein: still including setting up the transfer image prism group with the extinction passageway between the objective, be provided with the extinction line on the inner wall of extinction passageway.

5. The monocular distance measuring telescope of claim 1, wherein: the main board has a data operation processing function and a function of communicating and driving display of the LCD transmission screen or the OLED display screen.

6. The monocular distance measuring telescope of claim 1, wherein: the diaphragm is a circular opening.

7. A range-finding imaging method, wherein the monocular range-finding telescope according to any one of claims 1 to 6, comprises the steps of:

(1) emitting laser through an emitting diode, wherein the laser passes through an emitting lens, is reflected by an observed object and then enters an emitting lens barrel through an objective lens;

(2) the laser entering the transmitting lens barrel is split by the relay prism group and then falls on a chip photosensitive area of a photodiode through a receiving lens, the photodiode feeds back a signal to a receiving board after receiving the laser, the receiving board feeds back the signal to a main board, and the main board calculates distance information of an observed object according to a time interval and a light speed between the transmitting laser and the receiving laser;

(3) the mainboard outputs the calculated distance information to an LCD transmission screen or an OLED display screen for displaying, the LCD transmission screen is positioned on a focal plane of the eyepiece set, and an image on the OLED display screen can sequentially pass through the OLED lens set and the relay prism set to be projected on the diaphragm and the focal plane of the eyepiece set.

Technical Field

The invention relates to the technical field of distance measuring telescopes, in particular to a monocular distance measuring telescope and a distance measuring imaging method.

Background

The distance measuring telescope is a measuring instrument which combines a laser distance measuring instrument and a telescopic system and integrates observation and measurement; the distance measuring telescope commonly used at present comprises a structure which is composed of a telescope system, a transmitting module, a receiving module and a plurality of lens cones and has two cylinders and more than two cylinders, and the structure has larger volume, complex appearance and high production cost.

Disclosure of Invention

The invention aims to provide a monocular distance measuring telescope and a distance measuring imaging method, which are used for solving the problems in the prior art, reducing the volume of the distance measuring telescope and reducing the production cost.

In order to achieve the purpose, the invention provides the following scheme:

the invention provides a monocular distance measuring telescope which comprises a shell, a telescope module, a transmitting module, a receiving module, an imaging module and a control module, wherein the telescope module comprises a telescope body and a telescope head; the telescope module comprises an eyepiece group and an objective lens, and the eyepiece group and the objective lens are respectively arranged in a telescope tube of the shell;

the emission module comprises an emission diode, an emission lens barrel and an emission lens, the emission lens barrel is positioned in the telescope lens barrel, the objective lens is provided with a notch corresponding to the emission lens barrel, and the emission lens barrel penetrates through the notch; the emitting diode and the emitting lens are respectively arranged in the emitting lens barrel, and the light emitting surface of the light emitting chip of the emitting diode is positioned on the focus and the optical axis of the emitting lens;

the receiving module comprises an image conversion prism group, a receiving lens, a receiving plate and a photodiode, wherein the image conversion prism group is fixedly arranged between the eyepiece group and the objective lens, the image conversion prism group can split light entering from the objective lens to the receiving lens, the photodiode is electrically connected with the receiving plate, and a chip photosensitive area of the photodiode is positioned at the focus of the receiving lens;

the imaging module comprises an LCD transmission screen or the imaging module comprises a diaphragm, an OLED lens group and an OLED display screen, the LCD transmission screen is arranged between the eyepiece group and the relay prism group, and the LCD transmission screen is positioned on a focal plane of the eyepiece group; the image of the OLED display screen can be projected on the focal plane of the diaphragm and the eyepiece set sequentially through the OLED lens set and the relay prism set;

the control module comprises a key board, a mainboard and a transmitting board, wherein the key board is fixedly arranged on the shell, a key used for controlling the mainboard is arranged on the key board, the transmitting board is electrically connected with the receiving board, and the key is triggered to enable the mainboard to pass through the transmitting board and the light-emitting diode to emit laser, so that the mainboard receives distance information fed back by the echo signal fed back by the receiving board after calculating the distance information, and the distance information is displayed on the LCD transmission screen or the OLED screen.

Preferably, the eyepiece adjusting mechanism further comprises an eyepiece adjusting mechanism, the eyepiece adjusting mechanism comprises a moving cylinder and a fixed cylinder, the fixed cylinder is fixedly arranged on the shell, the eyepiece group is fixedly arranged in the moving cylinder, the moving cylinder is arranged in the fixed cylinder in a penetrating manner, a spiral curve groove is arranged on the side wall of the fixed cylinder, a guide nail is arranged on the side wall of the moving cylinder, the guide nail is positioned in the curve groove, and the guide nail is in sliding fit with the curve groove; the position of the focal plane of the eyepiece group can be adjusted by rotating the moving cylinder.

Preferably, the lens adjusting device further comprises a lens adjusting structure, wherein the lens adjusting structure comprises an inner cylindrical barrel and an outer cylindrical barrel, the receiving lens is fixedly arranged on the inner cylindrical barrel, a spiral sliding groove is fixedly arranged on the inner wall of the outer cylindrical barrel, a protruding guide pillar is arranged on the side wall of the inner cylindrical barrel, and the protruding guide pillar is in sliding fit with the sliding groove; the focal plane of the receiving lens can be adjusted by rotating the inner cylinder.

Preferably, the device further comprises an extinction channel arranged between the image rotating prism group and the objective lens, and extinction lines are arranged on the inner wall of the extinction channel.

Preferably, the main board has a data operation processing function and a function of communicating and driving the display of the LCD transmission screen or the OLED display screen.

Preferably, the diaphragm is a circular opening.

The invention also provides a distance measurement imaging method based on the monocular distance measurement telescope, which comprises the following steps:

(1) emitting laser through an emitting diode, wherein the laser passes through an emitting lens, is reflected by an observed object and then enters an emitting lens barrel through an objective lens;

(2) the laser entering the transmitting lens barrel is split by the relay prism group and then falls on a chip photosensitive area of a photodiode through a receiving lens, the photodiode feeds back a signal to a receiving board after receiving the laser, the receiving board feeds back the signal to a main board, and the main board calculates distance information of an observed object according to a time interval and a light speed between the transmitting laser and the receiving laser;

(3) the mainboard outputs the calculated distance information to an LCD transmission screen or an OLED display screen for displaying, the LCD transmission screen is positioned on a focal plane of the eyepiece set, and an image on the OLED display screen can sequentially pass through the OLED lens set and the relay prism set to be projected on the diaphragm and the focal plane of the eyepiece set.

Compared with the prior art, the invention has the following technical effects:

the monocular distance measuring telescope and the distance measuring imaging method solve the problem that the monocular distance measuring telescope realizes transmitting, receiving and telescoping in one lens barrel, realize the functions of telescopic observation and distance measuring information imaging display which are only realized by a plurality of barrel products at present by using one barrel, and have smaller volume, simple appearance and lower realization cost compared with the existing products.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments 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 without creative efforts.

FIG. 1 is a schematic structural diagram of a monocular distance measuring telescope according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the optical path of a monocular distance measuring telescope according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a monocular distance measuring telescope according to an embodiment of the present invention;

FIG. 4 is a schematic view of the optical path of a telescope with two monocular distance measuring devices according to an embodiment of the present invention;

wherein: 100. a monocular distance measuring telescope; 1. an objective lens; 2. a telescope tube; 3. a key sheet; 4. an LCD transmissive screen; 5. moving the drum; 6. an eyepiece group; 7. a relay prism set; 8. a receiving lens; 9. receiving a plate; 10. a photodiode; 11. a main board; 12. a launch plate; 13. an emitting diode; 14. a transmitting lens barrel; 15. an extinction channel; 16. an emission lens; 17. a lens waterproof ring; 18. fixing a compression ring by using a lens; 19. a housing; 20. guiding the nail; 21. a fixed cylinder; 22. an inner cylindrical tube; 23. an outer cylindrical barrel; 24. a protruding guide post; 25. an OLED display screen; 26. and the OLED lens group.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

The invention aims to provide a monocular distance measuring telescope and a distance measuring imaging method, which are used for solving the problems in the prior art, reducing the volume of the distance measuring telescope and reducing the production cost.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Example one

As shown in fig. 1 to 2: the embodiment provides a monocular distance measuring telescope 100, which comprises a shell 19, a telescope module, a transmitting module, a receiving module, an imaging module and a control module.

The telescope module comprises an eyepiece group 6 and an objective lens 1, wherein the eyepiece group 6 and the objective lens 1 are respectively arranged in a telescope tube 2 of a shell 19; the emission module comprises an emission diode, an emission lens barrel 14 and an emission lens 16, wherein the emission lens barrel 14 is positioned in the telescope lens barrel 2, the objective lens 1 is provided with a notch corresponding to the emission lens barrel 14, and the emission lens barrel 14 penetrates through the notch; an emitting diode and an emitting lens 16 are respectively arranged in the emitting lens barrel 14, and the light emitting surface of the light emitting chip of the emitting diode 13 is positioned on the focus and the optical axis of the emitting lens 16; the transmitting lens 16 is connected with the transmitting lens barrel 14 through the lens fixing press ring 18, the lens fixing press ring 18 is hollow, the transmitting lens 16 is fixedly arranged in the hollow part of the lens fixing press ring 18, the outer wall of the lens fixing press ring 18 is in threaded connection with the inner wall of the transmitting lens barrel 14, two grooves are formed in the outer surface of the lens fixing press ring 18, and the lens fixing press ring 18 can be conveniently adjusted in a rotating mode through a tool; a lens waterproof ring 17 is provided at the left end of the emitter lens 16.

The receiving module comprises an image transfer prism group 7, a receiving lens 8, a receiving plate 9 and a photodiode 10, wherein the image transfer prism group 7 is fixedly arranged between the eyepiece group 6 and the objective lens 1, the image transfer prism group 7 can split light entering from the objective lens 1 into the receiving lens 8, the photodiode is electrically connected with the receiving plate 9, and a chip photosensitive area of the photodiode 10 is positioned at the focus of the receiving lens 8.

The imaging module comprises an LCD transmission screen 4, the LCD transmission screen 4 is arranged between the ocular group 6 and the relay prism group 7, and the LCD transmission screen 4 is positioned on the focal plane of the ocular group 6.

The control module comprises a key board 3, a mainboard 11 and a transmitting board 12, the key board 3 is fixedly arranged on a shell 19, a key used for controlling the mainboard 11 is arranged on the key board 3, the transmitting board 12 and the receiving board 9 are electrically connected with the mainboard 11, the trigger key can enable the mainboard 11 to transmit laser through the transmitting board 12 and the light-emitting diode, the distance information fed back by the echo signal is calculated after the mainboard 11 receives the echo signal fed back by the receiving board 9, and the distance information is displayed on the LCD transmission screen 4.

The monocular distance measuring telescope 100 further comprises an eyepiece adjusting structure, the eyepiece adjusting structure comprises a movable barrel 5 and a fixed barrel 21, the fixed barrel 21 is fixedly arranged on the shell 19, the eyepiece group 6 is fixedly arranged in the movable barrel 5, the movable barrel 5 is arranged in the fixed barrel 21 in a penetrating manner, a spiral curve groove is formed in the side wall of the fixed barrel 21, a guide nail 20 is arranged on the side wall of the movable barrel 5, the guide nail 20 is positioned in the curve groove, and the guide nail 20 is in sliding fit with the curve groove; the position of the focal plane of the eyepiece group 6 can be adjusted through the rotary moving cylinder 5, so that clear images on the LCD transmission screen 4 can be observed on the other side of the eyepiece by human eyes; in specific application, a poking wheel can be fixedly arranged at one end of the movable cylinder 5 extending out of the fixed cylinder 21, so that a user can rotate the movable cylinder 5 conveniently.

The single-tube range telescope 100 of the embodiment further comprises a lens adjusting structure, the lens adjusting structure comprises an inner cylindrical tube 22 and an outer cylindrical tube 23, the receiving lens 8 is fixedly arranged on the inner cylindrical tube 22, a spiral chute is fixedly arranged on the inner wall of the outer cylindrical tube 23, a protruding guide post 24 is arranged on the side wall of the inner cylindrical tube 22, and the protruding guide post 24 is in sliding fit with the chute; the focal plane of the receiving lens 8 can be adjusted by rotating the inner cylinder 22; in specific application, a dial wheel can be fixedly arranged at one end of the inner cylindrical barrel 22 extending out of the outer cylindrical barrel 23, so that a user can conveniently rotate the movable barrel 5.

An extinction channel 15 is further arranged on the telescope tube 2 between the image rotating prism group 7 and the objective lens 1, extinction lines are arranged on the inner wall of the extinction channel 15, and the extinction channel 15 is an extinction structure which is arranged on the telescope tube 2 between the lens groups and is used for reducing stray light of the system.

The main board 11 has a data arithmetic processing function and a communication function and a display driving function for the LCD transmission screen 4 or the OLED display screen 25.

The embodiment further provides a distance measurement imaging method based on the monocular distance measurement telescope 100, which includes the following steps:

(1) laser is emitted through the emitting diode 13, passes through the emitting lens 16, is reflected by an observed object, and then enters the emitting lens barrel 14 through the objective lens 1;

(2) the laser entering the transmitting lens barrel 14 is split by the relay prism group 7 and then falls on a chip photosensitive area of the photodiode 10 through the receiving lens 8, the photodiode 10 feeds back a signal to the receiving board 9 after receiving the laser, the receiving board 9 feeds back a signal to the main board 11, and the main board 11 calculates the distance information of the observed object according to the time interval and the light speed between the laser emission and the laser reception;

(3) the mainboard 11 outputs the calculated distance information to the LCD transmission screen 4 or the OLED display screen 25 for displaying, the LCD transmission screen 4 is positioned on the focal plane of the ocular group 6, and human eyes can directly observe the distance information displayed on the LCD transmission screen 4 through the ocular group 6.

The monocular distance measuring telescope 100 of the present embodiment is specifically used as follows:

by pressing the keys on the key board 3 to send out the distance measuring instruction, the main board 11 drives the pulse laser emitting diode 13 on the emitting board 12 to send out the pulse laser with extremely short duration, and simultaneously, the counting clock is started. The emitted laser passes through the emitting lens 16 to obtain a collimated laser beam, the collimated laser beam is characterized in that the divergence angle of the laser is extremely small, the size of a cross section spot vertical to the emitting direction changes slowly along with the distance, the emitted laser reaches a telescopic system to aim at a target surface after passing through a propagation distance L, at the moment, a part of laser can be reflected back, the part of the reflected laser is focused on a photosensitive area of a photodiode 10 chip through the telescopic objective lens 1, the relay prism group 7 and the receiving lens 8, a received optical signal is converted into an electric signal through the photodiode 10, and the mainboard 11 receives the electric signal and closes a counting clock at the same time. And finally, calculating the distance L to be measured, which is 1/2 × c × t, by using the round-trip pulse time difference t measured by the clock counter, which is N × (1/f), wherein N is the number of clock cycles measured by the counter, and f is the counting clock frequency. In general, in order to avoid singular values or ensure the ranging accuracy, multiple measurements may be performed to obtain the average value and obtain the distance information L. The distance measuring information is transmitted to the LCD transmission screen 4 through the data communication module on the mainboard 11, and the measurement information can be observed by human eyes through the eyepiece group 6, so that the functions of telescopic observation and rapid and accurate distance measuring information imaging display which are only achieved by using one tube can be achieved.

Example two

As shown in fig. 3 to 4: the present embodiment provides a monocular distance measuring telescope 100, and the structure and the operation principle of the monocular distance measuring telescope 100 of the present embodiment are substantially the same as those of the monocular distance measuring telescope 100 provided in the first embodiment, and the differences are that: in the present embodiment, the imaging module includes a diaphragm, an OLED lens assembly 26 and an OLED display 25, the diaphragm is a circular opening formed on the housing 19. Distance information is displayed on the OLED screen, and an image of the OLED display screen 25 can be projected on a focal plane of the diaphragm and eyepiece set 6 sequentially through the OLED lens set 26 and the relay prism set 7.

The embodiment further provides a distance measurement imaging method based on the monocular distance measurement telescope 100, which includes the following steps:

(1) laser is emitted through the emitting diode 13, passes through the emitting lens 16, is reflected by an observed object, and then enters the emitting lens barrel 14 through the objective lens 1;

(2) the laser entering the transmitting lens barrel 14 is split by the relay prism group 7 and then falls on a chip photosensitive area of the photodiode 10 through the receiving lens 8, the photodiode 10 feeds back a signal to the receiving board 9 after receiving the laser, the receiving board 9 feeds back a signal to the main board 11, and the main board 11 calculates the distance information of the observed object according to the time interval and the light speed between the laser emission and the laser reception;

(3) the mainboard 11 is exported the distance information who calculates to OLED display screen 25 and is shown, and the image on the OLED display screen 25 can loop through OLED lens group 26 and the projection of relay prism group 7 on the focal plane of diaphragm and eyepiece group 6, and the human eye can directly observe the distance information of display screen OLED projection on the focal plane of diaphragm and eyepiece group 6 through eyepiece group 6.

The monocular distance measuring telescope 100 of the present embodiment is specifically used as follows:

by pressing the keys on the key board 3 to send out the distance measuring instruction, the main board 11 drives the pulse laser emitting diode 13 on the emitting board 12 to send out the pulse laser with extremely short duration, and simultaneously, the counting clock is started. The emitted laser passes through the emitting lens 16 to obtain a collimated laser beam, the collimated laser beam is characterized in that the divergence angle of the laser is extremely small, the size of a cross section spot vertical to the emitting direction changes slowly along with the distance, the emitted laser reaches a telescopic system to aim at a target surface after passing through a propagation distance L, at the moment, a part of laser can be reflected back, the part of the reflected laser is focused on a photosensitive area of a photodiode 10 chip through the telescopic objective lens 1, the relay prism group 7 and the receiving lens 8, a received optical signal is converted into an electric signal through the photodiode 10, and the mainboard 11 receives the electric signal and closes a counting clock at the same time. And finally, calculating the distance L to be measured, which is 1/2 × c × t, by using the round-trip pulse time difference t measured by the clock counter, which is N × (1/f), wherein N is the number of clock cycles measured by the counter, and f is the counting clock frequency. In general, in order to avoid singular values or ensure the ranging accuracy, multiple measurements may be performed to obtain the average value and obtain the distance information L. The distance measuring information is transmitted to the OLED display screen 25 through the data communication module on the main board 11, images on the OLED display screen 25 can sequentially pass through the OLED lens group 26 and the relay prism group 7 to be projected on the focal plane of the diaphragm and the ocular group 6, human eyes can directly observe the distance information of the OLED projection of the display screen on the focal plane of the diaphragm and the ocular group 6 through the ocular group 6, and the functions of telescopic observation and quick and accurate distance measuring information imaging display which are only achieved by using one tube can achieve the aim of achieving the purpose of multi-tube telescopic observation of the current products.

In the description of the present invention, it should be noted that the terms "left", "right", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.