CN111913059A - Tactile feedback testing device - Google Patents
Tactile feedback testing device Download PDFInfo
- Publication number
- CN111913059A CN111913059A CN202010624382.0A CN202010624382A CN111913059A CN 111913059 A CN111913059 A CN 111913059A CN 202010624382 A CN202010624382 A CN 202010624382A CN 111913059 A CN111913059 A CN 111913059A
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- Prior art keywords
- touch panel
- fixing
- elastic
- tactile feedback
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Human Computer Interaction (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a tactile feedback testing device which comprises a fixed support, a touch panel and an elastic supporting piece, wherein the fixed support is provided with a plurality of elastic supporting pieces; the touch panel and the fixed support are oppositely arranged at intervals, and the touch panel is used for supporting and fixing an external linear vibration motor; the two opposite ends of the elastic supporting piece are respectively detachably connected with the fixed support and the touch panel and used for elastically supporting the touch panel on the fixed support; the touch panel is driven to vibrate by an external linear vibration motor, and generates elastic vibration relative to the fixed support through the elastic supporting piece so as to simulate a tactile feedback effect. Compared with the related art, the touch feedback testing device has the advantages of simple structure, easiness in disassembly and assembly, simplicity in testing operation and high testing efficiency.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of touch tests, in particular to a touch feedback test device.
[ background of the invention ]
The touch feedback technology is widely applied to various high-end mobile phones at present, and good user experience effect and market reverberation are obtained. Among them, a linear vibration motor (LRA) is used as a key device in a mainstream tactile feedback scheme, and has no specific application in the field of automobiles, such as automobile central control large screens and various mechanical keys.
In the related art, a touch device applied to the field of automobiles includes a touch panel, a linear vibration motor installed on the touch panel for implementing tactile feedback, and a suspension structure for elastically mounting the touch panel to an automobile body. For the application of the linear vibration motor in the automobile haptic feedback scheme, the haptic feedback effect of the touch device directly affects the haptic experience of the user, so that before the touch device is applied in the automobile field, the haptic feedback effect of the touch device is often required to be tested for many times, and the structure of the touch device is continuously optimized according to the test result, so that the feedback effect of the touch device is improved.
However, in the related art, the mass of the touch panel and the rigidity of the suspension structure directly determine the haptic feedback effect of the touch device, the touch panel and the suspension structure need to be assembled after the touch device for performing the haptic feedback test, and the touch device is used as a test device for the haptic feedback test and has a complex structure; in addition, when the next test is performed and a touch panel with different mass or a suspension structure with different rigidity needs to be replaced, the original touch panel or the original suspension structure needs to be detached from the touch device, and then the touch panel or the suspension structure to be installed needs to be installed in the touch device again.
Therefore, there is a need to provide a new tactile feedback testing device to solve the above-mentioned technical problems.
[ summary of the invention ]
The invention aims to provide a tactile feedback testing device which solves the problems of complex structure, complex testing operation and low testing efficiency.
To achieve the above object, the present invention provides a tactile feedback test apparatus, comprising:
fixing a bracket;
the touch panel is arranged opposite to the fixed support at intervals and used for supporting and fixing an external linear vibration motor;
the two opposite ends of the elastic supporting piece are detachably connected with the fixed support and the touch panel respectively and are used for elastically supporting the touch panel on the fixed support;
the touch panel is driven to vibrate by the external linear vibration motor, and the touch panel generates elastic vibration relative to the fixed support through the elastic supporting piece so as to simulate a tactile feedback effect.
Preferably, the elastic supporting element comprises a fixing part detachably connected to the fixing support and an elastic connecting part protruding and extending from the fixing part to a direction away from the fixing support, and the elastic connecting part is away from one end of the fixing support and detachably connected to the touch panel so as to elastically support the touch panel on the fixing support.
Preferably, the fixed support is close to one side of the touch panel and is sunken to form a positioning groove, and the fixed part is inserted in the positioning groove and is detachably connected with the fixed support.
Preferably, the tactile feedback testing device further comprises a first screw, the fixing bracket is provided with a first through hole penetrating through the fixing bracket in the positioning groove, the fixing part is provided with a first threaded through hole opposite to the first through hole, and the first screw is in threaded connection with the first threaded through hole through the first through hole.
Preferably, the fixing part is a square boss, and the positioning groove is a square groove matched with the square boss in shape.
Preferably, the touch panel comprises a main body part arranged at an interval with the fixing support and a fixing table protruded and extended from the main body part to the fixing support, and the elastic connecting part is detachably connected to the fixing table.
Preferably, the elastic connecting portion includes an elastic arm extending from the fixing portion to the touch panel in a protruding manner and a connecting portion extending from the elastic arm away from the fixing support in a bent manner, and the connecting portion is detachably connected to the fixing table.
Preferably, the fixed platform is sunken to form a positioning step, and the connecting part is positioned and supported on the positioning step and is detachably connected with the fixed platform.
Preferably, the tactile feedback testing device further comprises a second screw, the connecting portion is provided with a second through hole penetrating through the connecting portion, the fixing table is provided with a second threaded through hole opposite to the second through hole, and the second screw is in threaded connection with the second threaded through hole through the second through hole.
Preferably, elastic connecting piece is the elasticity bubble cotton, touch panel include with the main part that the fixed bolster interval set up and by the main part to the convex fixed station that extends of fixed bolster, elastic connecting piece wherein one end can be dismantled bond in the fixed station is close to fixed bolster one side, the opposite side can be dismantled bond in the fixed bolster.
Preferably, the touch panel is rectangular, the elastic supporting members include four positions at which four corners of the touch panel are arranged at intervals, and the touch panel is elastically supported by the fixing bracket through the four elastic supporting members.
Preferably, the touch panel is recessed to form a slot, and the external linear vibration motor is detachably mounted in the slot.
Preferably, the touch panel and the external linear vibration motor form a detachable connection through a hot melt adhesive.
Compared with the prior art, in the tactile feedback testing device, the touch panel and the fixed support are oppositely arranged at intervals, and the touch panel is used for supporting and fixing the external linear vibration motor; the two opposite ends of the elastic supporting piece are respectively detachably connected with the fixed support and the touch panel and used for elastically supporting the touch panel on the fixed support; the touch panel is driven to vibrate by an external linear vibration motor, and generates elastic vibration relative to the fixed support through the elastic supporting piece so as to simulate a tactile feedback effect; in the structure, the structure of the touch feedback testing device is simplified, in addition, the elastic supporting piece, the touch panel and the fixed support are detachably connected, the arrangement is that in the testing process, the touch panel and the elastic supporting piece which are different in installation can be rapidly and simply replaced as required, and favorable conditions are provided for continuously carrying out multiple touch feedback tests, so that the testing operation process is simpler, and the testing efficiency is greatly improved.
[ description of the 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 description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic perspective view of a haptic feedback test device according to the present invention;
FIG. 2 is an exploded perspective view of a portion of the haptic feedback test device of the present invention;
FIG. 3 is an exploded perspective view of another embodiment of the haptic feedback test device of the present invention;
fig. 4 is a sectional view taken along line a-a of fig. 1.
[ detailed description ] embodiments
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a tactile feedback testing apparatus 100, which includes a fixing bracket 1, an elastic supporting member 2, and a touch panel 3.
The fixed support 1 is used for simulating a fixed mounting base on an automobile in practical application, and the fixed support 1 provides support for the elastic support 2 and the touch panel 3.
In order to ensure that the fixing bracket 1 has enough weight to stabilize the whole touch test apparatus 100, the fixing bracket 1 is preferably made of a metal material, such as iron or stainless steel.
The touch panel 3 and the fixed support 1 are arranged at an interval, and two opposite ends of the elastic support 2 are detachably connected with the fixed support 1 and the touch panel 3 respectively, so that the touch panel 3 is elastically supported on the fixed support 1.
In this embodiment, the elastic supporting member 2 is a spring structure, specifically, the elastic supporting member 2 includes a fixing portion 21 detachably connected to the fixing frame 1 and an elastic connecting portion 22 protruding and extending from the fixing portion 21 to a direction away from the fixing frame 1, and one end of the elastic connecting portion 22 away from the fixing frame 1 is detachably connected to the touch panel 3, so as to elastically support the touch panel 3 on the fixing frame 1.
Furthermore, one side of the fixed support 1, which is close to the touch panel 3, is recessed to form a positioning groove 10, the fixed part 21 is inserted into the positioning groove 10 and is detachably connected with the fixed support 1, and through the arrangement of the positioning groove 10, a positioning effect is achieved for the assembly of the elastic support 2, so that the assembly operation is simplified; of course, in other embodiments, it is also feasible that no positioning groove is provided, as long as the elastic supporting element can be detachably connected with the fixed bracket through the fixing part.
In this embodiment, the fixing portion 21 and the fixing bracket 1 are detachably connected by a first screw, and more specifically, the fixing bracket 1 is provided with a first through hole 101 penetrating through the positioning groove 10, and the first through hole 101 may be a threaded hole structure or a through hole structure, which may be specifically configured according to the needs of practical use, for example, in this embodiment, in order to improve the fixing reliability between the fixing portion 21 and the fixing bracket 1 and prevent the elastic support member 2 and the fixing bracket 1 from rotating relatively during the test process, the first through hole 101 is a threaded hole; the fixing part 21 is provided with a first threaded through hole 201 which is opposite to the first through hole 101, and the first screw is in threaded connection with the first through hole 101, penetrates through the first through hole 101 and is in threaded connection with the first threaded through hole 201; of course, the fixing portion of the elastic supporting member and the fixing bracket may be detachably connected by other methods, for example, the detachable connection includes, but is not limited to, a snap, a mortise and tenon, or a latch.
Preferably, in order to avoid relative movement or rotation between the fixing bracket 1 and the fixing portion 21 of the elastic support member 2, the fixing portion 21 is preferably a square boss, and the positioning slot 10 is a square groove matching with the square boss, so that the fixing portion 21 can be effectively and completely limited in the positioning slot 10 by the above-mentioned structural arrangement.
In this embodiment, the touch panel 3 includes a main body 31 spaced apart from the fixed bracket 1, and a fixed base 32 protruding from the main body 31 toward the fixed bracket 1, and the elastic connection portion 22 is detachably connected to the fixed base 32.
Further, the elastic connection portion 22 includes an elastic arm 221 protruding from the fixing portion 21 toward the touch panel 3 and a connection portion 222 bent and extending from the elastic arm 221 away from the fixing bracket 1, and the connection portion 222 is detachably connected to the fixing base 32; of course, in other embodiments, it is also possible to provide no connecting portion, and in this case, the elastic arm may be directly detachably connected to the fixed table.
Preferably, the fixing table 32 is recessed to form a positioning step 320, the connecting portion 222 is positioned and supported on the positioning step 320 and detachably connected with the fixing table 32, and the positioning step 320 is arranged to position the connecting portion 222 and the fixing table 320 before assembly, so that the elastic support member 2 and the touch panel 3 can be assembled conveniently.
In this embodiment, the elastic connector 2 and the touch panel 3 are detachably connected by a second screw, and more specifically, the connecting portion 222 is provided with a second through hole 202 penetrating therethrough, and the second through hole 202 may be a threaded hole structure or a through hole structure, which may be specifically configured according to actual use requirements, for example, in this embodiment, in order to improve the fixing reliability between the connecting portion 222 and the fixing table 32 and prevent the elastic connector 2 and the touch panel 3 from rotating relatively during the test process, the second through hole 202 is a threaded hole; the fixed table 32 is provided with a second threaded through hole 301 which is opposite to the second through hole 202, and the second screw is in threaded connection with the second through hole 202 and penetrates through the second through hole 202 to be in threaded connection with the second threaded through hole 301; of course, the elastic connecting portion of the elastic supporting member and the touch panel may be detachably connected in other manners, for example, the detachable connection manner includes, but is not limited to, a snap, a mortise, or a bolt.
The touch panel 3 is used for supporting and fixing an external linear vibration motor 4; further, the touch panel 3 is made of one of epoxy resin, ABS, PE, aluminum alloy, and stainless steel.
It should be noted that the connection manner between the external linear vibration motor 4 and the touch panel 3 is not limited, for example, in the present embodiment, the touch panel 3 and the external linear vibration motor 4 are detachably connected by a hot melt adhesive; of course, in other embodiments, the slot is formed on the touch panel in a recessed manner, and the external linear vibration motor may be detachably mounted in the slot.
The touch panel 3 is driven to vibrate by the external linear vibration motor 4, the touch panel 3 generates elastic vibration relative to the fixed support 1 through the elastic support 2 to simulate a haptic feedback effect, and different haptic feedback effects can be simulated by changing the touch panel 3 and the elastic support 2 to adjust the thickness of the touch panel 3 or adjust the rigidity of the elastic support 2.
In the above structure, a process of assembling the touch panel and the elastic support member to the touch device in the related art is omitted, and the structure of the tactile feedback test device 100 is effectively simplified.
In addition, since the mass of the touch panel 3 and the rigidity of the elastic support 2 directly affect the haptic feedback effect of the touch device, in the testing process, the touch panel 3 with different mass and/or the elastic support 2 with different rigidity need to be replaced for multiple times to perform multiple times of haptic tests, wherein the mass of the touch panel 3 can be controlled by controlling the thickness of the touch panel 3, and the rigidity of the elastic support 2 can be controlled by controlling the height or thickness of the elastic arm 221; in the invention, the elastic support part 2 and the fixed support 1, and the elastic support part 2 and the touch panel 3 and the fixed support 1 are fixed in a detachable connection mode, and the connection mode is set, so that the touch panel 3 with different masses and the elastic support part 2 with different rigidity can be quickly and simply replaced and installed as required in the test process, favorable conditions are provided for continuously carrying out multiple times of touch feedback tests, the test operation process is simpler, the test efficiency is greatly improved, the test cost can be greatly reduced, the experimental research efficiency is improved, and theoretical and experimental guidance is further provided for the product application of the linear motor in an automobile.
It should be noted that, in other embodiments, it is also feasible that the elastic connection member is an elastic foam, at this time, one end of the elastic connection member is detachably adhered to one side of the fixing table of the touch panel close to the fixing support, and the other side of the elastic connection member is detachably adhered to the fixing support.
It should be noted that the number of the elastic supporting members 2 is not limited, for example, in the present embodiment, the number of the elastic supporting members 2 is four, taking the touch panel 3 as an example of a rectangle, the four elastic supporting members 2 are disposed at the positions of the four corners of the touch panel 3 at intervals, and the touch panel 3 is elastically supported on the fixing bracket 1 by the four elastic supporting members 2, so as to better ensure that the touch panel 3 vibrates more uniformly and more reliably under the driving of the external linear vibration motor 4.
Compared with the prior art, in the tactile feedback testing device, the touch panel and the fixed support are oppositely arranged at intervals, and the touch panel is used for supporting and fixing the external linear vibration motor; the two opposite ends of the elastic supporting piece are respectively detachably connected with the fixed support and the touch panel and used for elastically supporting the touch panel on the fixed support; the touch panel is driven to vibrate by an external linear vibration motor, and generates elastic vibration relative to the fixed support through the elastic supporting piece so as to simulate a tactile feedback effect; in the structure, the structure of the touch feedback testing device is simplified, in addition, the elastic supporting piece, the touch panel and the fixed support are detachably connected, the arrangement is that in the testing process, the touch panel and the elastic supporting piece which are different in installation can be rapidly and simply replaced as required, and favorable conditions are provided for continuously carrying out multiple touch feedback tests, so that the testing operation process is simpler, and the testing efficiency is greatly improved.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (13)
1. A haptic feedback test device, comprising:
fixing a bracket;
the touch panel is arranged opposite to the fixed support at intervals and used for supporting and fixing an external linear vibration motor;
the two opposite ends of the elastic supporting piece are detachably connected with the fixed support and the touch panel respectively and are used for elastically supporting the touch panel on the fixed support;
the touch panel is driven to vibrate by the external linear vibration motor, and the touch panel generates elastic vibration relative to the fixed support through the elastic supporting piece so as to simulate a tactile feedback effect.
2. A tactile feedback testing device according to claim 1, wherein said elastic supporting member comprises a fixing portion detachably connected to said fixing frame and an elastic connecting portion protruding from said fixing portion in a direction away from said fixing frame, one end of said elastic connecting portion away from said fixing frame is detachably connected to said touch panel, so as to elastically support said touch panel on said fixing frame.
3. A tactile feedback testing device according to claim 2, wherein the fixing bracket is recessed to form a positioning groove at a side thereof adjacent to the touch panel, and the fixing portion is inserted into the positioning groove and detachably connected to the fixing bracket.
4. A tactile feedback testing device according to claim 3, further comprising a first screw, wherein said fixing bracket has a first through hole extending through said positioning groove, said fixing portion has a first threaded through hole opposite to said first through hole, and said first screw is in threaded connection with said first threaded through hole through said first through hole.
5. A haptic feedback test device as recited in claim 3 wherein said fixed portion is a square boss and said detent is a square recess matching the shape of said square boss.
6. A tactile feedback testing apparatus according to claim 1, wherein said touch panel comprises a main body spaced apart from said fixing frame and a fixing base projecting from said main body to said fixing frame, and said elastic connection portion is detachably connected to said fixing base.
7. A tactile feedback testing device according to claim 6, wherein said elastic connection portion comprises an elastic arm protruding from said fixing portion to said touch panel and a connection portion bent from a side of said elastic arm away from said fixing bracket, said connection portion being detachably connected to said fixing base.
8. A haptic feedback test device as recited in claim 7 wherein said stationary stage is recessed to form a positioning step, said connecting portion being positionally supported on said positioning step and being detachably connected to said stationary stage.
9. A tactile feedback testing device according to claim 8, further comprising a second screw, wherein said connecting portion has a second through hole extending therethrough, said fixing base has a second threaded through hole disposed opposite to said second through hole, and said second screw is threadedly coupled to said second threaded through hole through said second through hole.
10. A haptic feedback testing device as recited in claim 1 wherein said elastic connecting member is an elastic foam, said touch panel includes a main body spaced apart from said fixed frame and a fixed platform protruding from said main body to said fixed frame, one end of said elastic connecting member is detachably adhered to one side of said fixed platform close to said fixed frame, and the other side of said elastic connecting member is detachably adhered to said fixed frame.
11. A tactile feedback testing device according to any one of claims 1 to 10, wherein said touch panel is rectangular, said elastic supporting members comprise four positions spaced apart from each other at four corners of said touch panel, and said touch panel is elastically supported by said fixing bracket through said four elastic supporting members.
12. A tactile feedback test device according to claim 1, wherein said touch panel is recessed to form a slot, and said external linear vibration motor is detachably mounted in said slot.
13. A tactile feedback testing device according to claim 1, wherein said touch panel is detachably connected to said external linear vibration motor by means of a hot melt adhesive.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010624382.0A CN111913059A (en) | 2020-06-30 | 2020-06-30 | Tactile feedback testing device |
| PCT/CN2020/102769 WO2022000580A1 (en) | 2020-06-30 | 2020-07-17 | Haptic feedback testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010624382.0A CN111913059A (en) | 2020-06-30 | 2020-06-30 | Tactile feedback testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111913059A true CN111913059A (en) | 2020-11-10 |
Family
ID=73227983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010624382.0A Pending CN111913059A (en) | 2020-06-30 | 2020-06-30 | Tactile feedback testing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111913059A (en) |
| WO (1) | WO2022000580A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022104865A1 (en) * | 2020-11-20 | 2022-05-27 | 瑞声声学科技(深圳)有限公司 | Touch switch structure and electronic apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022104865A1 (en) * | 2020-11-20 | 2022-05-27 | 瑞声声学科技(深圳)有限公司 | Touch switch structure and electronic apparatus |
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