WO2022000580A1

WO2022000580A1 - Haptic feedback testing device

Info

Publication number: WO2022000580A1
Application number: PCT/CN2020/102769
Authority: WO
Inventors: 陈勇勇; 郑亚军
Original assignee: 瑞声声学科技(深圳)有限公司; 瑞声科技(新加坡)有限公司
Priority date: 2020-06-30
Filing date: 2020-07-17
Publication date: 2022-01-06
Also published as: CN111913059A

Abstract

A haptic feedback testing device (100), which comprises a fixing frame (1), a touch panel (3), and a flexible support element (2). The touch panel (3) and the fixing frame (1) are provided at an interval to each other. The touch panel (3) is used for supporting and fixing an external linear vibration motor (4). Two opposite ends of the flexible support element (2) respectively are removably connected to the fixing frame (1) and the touch panel (3), used for flexibly supporting the touch panel (3) on the fixing frame (1). The touch panel (3) is driven to vibrate via the external linear vibration motor (4). The touch panel (3) generates a flexible vibration via the flexibly support element (2) relative to the fixing frame (1) to emulate a haptic feedback effect. The haptic feedback testing device (100) is structurally simple, easy to disassemble/assemble, easy to test and operate, and highly efficient in testing.

Description

Haptic feedback test device

technical field

The invention relates to the technical field of tactile testing, in particular to a tactile feedback testing device.

Background technique

Haptic feedback technology has been widely used in various high-end mobile phones, and has achieved good user experience and market response. Among them, Linear Vibration Motor (LRA), as a key device in mainstream haptic feedback solutions, has no specific application in the automotive field, such as large central control screens and various mechanical buttons.

In the related art, touch devices used in the automotive field include a touch panel, a linear vibration motor installed on the touch panel for haptic feedback, and a suspension for elastically installing the touch panel on the vehicle body. structure. For the application of the linear vibration motor in the automotive tactile feedback solution, the tactile feedback effect of the touch device directly affects the user's tactile experience. The haptic feedback effect is tested many times, and the structure of the touch device is continuously optimized according to the test results, thereby improving the feedback effect of the touch device.

technical problem

However, in the related art, the quality of the touch panel and the stiffness of the suspension structure directly determine the tactile feedback effect of the touch device, and the tactile feedback test needs to be performed after the touch panel and the suspension structure are assembled on the touch device. The test device for the tactile feedback test has a complex structure; in addition, when the next test needs to be replaced with a touch panel of different quality or a suspension structure with different stiffness, it is necessary to first remove the original touch panel or suspension structure from the touch device. After the middle disassembly, the touch panel or suspension structure to be installed is re-installed into the touch device. The process of installation and disassembly is relatively complicated, which is not conducive to continuous multiple tactile feedback tests, which makes the test operation complex and the test efficiency. Low.

Therefore, it is necessary to provide a new haptic feedback testing device to solve the above technical problems.

technical solutions

The purpose of the present invention is to provide a haptic feedback test device, which solves the problems of complex structure, complicated test operation and low test efficiency.

In order to achieve the above object, the present invention provides a tactile feedback test device, characterized in that it includes:

fixed bracket;

a touch panel, the touch panel and the fixing bracket are relatively spaced apart, and the touch panel is used to support and fix an external linear vibration motor;

an elastic support member, two opposite ends of the elastic support member are respectively detachably connected with the fixing bracket and the touch panel, so as to elastically support the touch panel on the fixing bracket;

The touch panel is driven to vibrate by the external linear vibration motor, and the touch panel generates elastic vibration relative to the fixing bracket through the elastic support to simulate a haptic feedback effect.

Preferably, the elastic support member includes a fixing portion detachably connected to the fixing bracket and an elastic connecting portion extending from the fixing portion to a direction away from the fixing bracket, the elastic connecting portion being away from the fixing bracket One end of the fixing bracket is detachably connected to the touch panel to elastically support the touch panel on the fixing bracket.

Preferably, a side of the fixing bracket close to the touch panel is recessed to form a positioning groove, and the fixing portion is inserted into the positioning groove and is detachably connected with the fixing bracket.

Preferably, the tactile feedback test device further includes a first screw, the fixing bracket is provided with a first through hole in the positioning groove, and the fixing portion is provided with a first through hole that is directly opposite to the first through hole. For the provided first threaded through hole, the first screw is threadedly connected to the first threaded through hole through the first through hole.

Preferably, the fixing portion is a square boss, and the positioning groove is a square groove matching the shape of the square boss.

Preferably, the touch panel includes a main body part spaced from the fixing bracket and a fixing platform protruding from the main body part to the fixing bracket, and the elastic connecting part is detachably connected to the fixing platform .

Preferably, the elastic connecting portion includes an elastic arm extending from the fixing portion to the touch panel, and a connecting portion bent and extending from the elastic arm away from the fixing bracket. Removably connected to the fixed platform.

Preferably, the fixing table is recessed to form a positioning step, and the connecting portion is positioned and supported on the positioning step and is detachably connected with the fixing table.

Preferably, the tactile feedback testing device further comprises a second screw, the connecting portion is provided with a second through hole penetrating therethrough, and the fixing table is provided with a second thread which is disposed opposite to the second through hole a through hole, and the second screw is screwed to the second threaded through hole through the second through hole.

Preferably, the elastic connecting member is an elastic foam, the touch panel includes a main body part spaced from the fixing bracket and a fixing platform protruding from the main body part to the fixing bracket, the elastic One end of the connecting piece is detachably bonded to the side of the fixing platform close to the fixing bracket, and the other side is detachably bonded to the fixing bracket.

Preferably, the touch panel is in the shape of a rectangle, and the elastic support includes four positions at four corners of the touch panel that are spaced apart from each other, and the touch panel passes through the four elastic supports. The support element is elastically supported on the fixing bracket.

Preferably, the touch panel is recessed to form a card slot, and the external linear vibration motor is detachably installed in the card slot.

Preferably, the touch panel and the external linear vibration motor are detachably connected by hot melt glue.

beneficial effect

Compared with the related art, in the tactile feedback test device of the present invention, the touch panel and the fixed bracket are arranged at relative intervals, and the touch panel is used to support and fix the external linear vibration motor; the opposite ends of the elastic support are respectively connected to the fixed bracket. A detachable connection is formed with the touch panel to elastically support the touch panel on the fixed bracket; the touch panel is driven to vibrate by an external linear vibration motor, and the touch panel generates elastic vibration relative to the fixed bracket through the elastic support to simulate touch Feedback effect; in the above structure, the structure of the tactile feedback test device is simplified, and in addition, the elastic support member, the touch panel and the fixed bracket are all detachably connected, and the setting is fast and simple according to needs during the test process. The different touch panels and elastic supports can be replaced and installed, which provides favorable conditions for continuously conducting multiple tactile feedback tests, thereby making the test operation process simpler and greatly improving the test efficiency.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, under the premise of no creative work, other drawings can also be obtained from these drawings, wherein:

Fig. 1 is the three-dimensional structure schematic diagram of the tactile feedback test device of the present invention;

2 is a schematic exploded view of a partial three-dimensional structure of the tactile feedback test device of the present invention;

3 is an exploded schematic diagram of a partial three-dimensional structure of another angle of the tactile feedback test device of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A in FIG. 1 .

Embodiments of the present invention

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. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please also refer to FIGS. 1-4 , the present invention provides a haptic feedback testing device 100 , which includes a fixing bracket 1 , an elastic support 2 and a touch panel 3 .

The fixing bracket 1 is used to simulate a fixed mounting base on an automobile in practical application, and the fixing bracket 1 provides support for the elastic support member 2 and the touch panel 3 .

In order to ensure that the fixing bracket 1 has enough weight to stabilize the entire touch testing device 100 , here, the fixing bracket 1 is preferably made of a metal material, such as iron or stainless steel.

The touch panel 3 and the fixing bracket 1 are arranged at intervals relative to each other, and the opposite ends of the elastic support 2 are respectively detachably connected with the fixing bracket 1 and the touch panel 3 to connect the touch panel 3 to the touch panel 3 . The control panel 3 is elastically supported on the fixing bracket 1 .

In this embodiment, the elastic support member 2 is an elastic sheet structure. Specifically, the elastic support member 2 includes a fixing portion 21 detachably connected to the fixing bracket 1 and extending from the fixing portion 21 away from the An elastic connecting portion 22 protrudes and extends in the direction of the fixing bracket 1 , and one end of the elastic connecting portion 22 away from the fixing bracket 1 is detachably connected to the touch panel 3 to elastically support the touch panel 3 on the touch panel 3 . Describe the fixing bracket 1.

Further, a side of the fixing bracket 1 close to the touch panel 3 is recessed to form a positioning groove 10 , and the fixing portion 21 is inserted into the positioning groove 10 and forms a detachable connection with the fixing bracket 1 . The setting of the positioning groove 10 plays a positioning role for the assembly of the elastic support member 2 and simplifies the assembly operation; of course, in other embodiments, it is also feasible not to provide the positioning groove, as long as the elastic support member can pass through the fixing part It can be detachably connected with the fixed bracket.

In this embodiment, the fixing portion 21 and the fixing bracket 1 are detachably connected by screws through a first screw. The first through hole 101, the first through hole 101 can be a threaded hole structure or a through hole structure, which can be specifically set according to actual needs. For example, in this embodiment, in order to improve the The reliability of the fixing between the fixing part 21 and the fixing bracket 1, and preventing the relative rotation between the elastic support 2 and the fixing bracket 1 during the test process, the first through hole 101 is threaded 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 threadedly connected with the first through hole 101 and passes through the first through hole 101. A through hole 101 is threadedly connected with the first threaded through hole 201; of course, the detachable connection between the fixing part of the elastic support and the fixing bracket can also be achieved in other ways, for example, the detachable connection way includes but not Limited to snap, tenon and mortise or latch.

More preferably, in order to avoid relative movement or rotation between the fixed bracket 1 and the fixed part 21 of the elastic support 2, more preferably, the fixed part 21 is set as a square boss, and the positioning The groove 10 is set as a square groove that matches the shape of the square boss. Through the above-mentioned structural arrangement, the fixing portion 21 can be effectively limited in the positioning groove 10 completely.

In this embodiment, the touch panel 3 includes a main body portion 31 spaced from the fixing bracket 1 and a fixing base 32 protruding from the main body portion 31 to the fixing bracket 1 . The elastic connection The part 22 is detachably connected to the fixing table 32 .

Further, the elastic connecting portion 22 includes an elastic arm 221 protruding from the fixing portion 21 to the touch panel 3 and a connection extending from a side of the elastic arm 221 away from the fixing bracket 1 . The connecting portion 222 is detachably connected to the fixing table 32; of course, in other embodiments, it is also possible not to provide a connecting portion, and in this case, the elastic arm can be directly detachably connected to the fixing table.

More preferably, the fixing table 32 is recessed to form a positioning step 320 , and the connecting portion 222 is positioned and supported on the positioning step 320 and is detachably connected with the fixing table 32 . Through the setting of the positioning step 320 , It plays a positioning role for the previous assembly of the connecting portion 222 and the fixing table 320 , and facilitates the assembly between the elastic support member 2 and the touch panel 3 .

In this embodiment, the elastic connecting member 2 and the touch panel 3 are detachably connected by a second screw. More specifically, the connecting portion 222 is provided with a second through hole penetrating therethrough. 202, the second through hole 202 can be a threaded hole structure or a through hole structure, which can be specifically set according to actual needs. The fixing reliability between the fixing platforms 32 and preventing relative rotation between the elastic support 2 and the touch panel 3 during the test process, the second through hole 202 is a threaded hole; the The fixing table 32 is provided with a second threaded through hole 301 opposite to the second through hole 202 , and the second screw is threadedly connected with the second through hole 202 and passes through the second through hole 202 It is threadedly connected with the second threaded through hole 301; of course, the detachable connection between the elastic connection part of the elastic support and the touch panel can also be achieved in other ways. Buckle, tenon and mortise or latch, etc.

The touch panel 3 is used to support and fix the 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 is worth mentioning that the connection between the external linear vibration motor 4 and the touch panel 3 is not limited. For example, in this embodiment, the touch panel 3 is connected to the external The linear vibration motor 4 is detachably connected by hot melt adhesive; of course, in other embodiments, a card slot is recessed on the touch panel, and the external linear vibration motor is detachably installed in the card slot is also feasible.

The touch panel 3 is driven to vibrate by the external linear vibration motor 4, and the touch panel 3 generates elastic vibration relative to the fixing bracket 1 through the elastic support 2 to simulate the haptic feedback effect, which can be replaced by Different touch panels 3 and elastic supports 2 can simulate different haptic feedback effects by adjusting the thickness of the touch panel 3 or adjusting the stiffness of the elastic supports 2 .

In the above structure, the process of assembling the touch panel and the elastic support on the touch device in the related art is omitted, which effectively simplifies the structure of the haptic feedback testing device 100 .

In addition, since the mass of the touch panel 3 and the stiffness of the elastic support 2 directly affect the tactile feedback effect of the touch device, it is necessary to replace the touch panels of different qualities several times during the test. 3 and/or the elastic support 2 with different stiffnesses to conduct multiple tactile tests, wherein the thickness of the touch panel 3 can be controlled to control its quality, and the elastic arm of the elastic support 2 can be controlled by 221 height or thickness to control its rigidity; in the present invention, between the elastic support 2 and the fixed bracket 1, and between the elastic support 2 and the touch panel 3 and the fixed bracket 1, a flexible The method of disassembly and connection realizes the fixation, and the setting of this connection method makes it possible to quickly and simply replace and install the touch panel 3 of different quality and the elastic support 2 of different rigidity according to the needs during the test process. Multiple tactile feedback tests provide favorable conditions, making the test operation process simpler and greatly improving the test efficiency, which can greatly reduce the experimental cost and improve the efficiency of experimental research, thereby providing theory and experiments for the commercial application of linear motors in automobiles guide.

It should be noted that, in other embodiments, it is also feasible that the elastic connecting member is an elastic foam. In this case, one end of the elastic connecting member is detachably bonded to the fixing table of the touch panel close to one side of the fixing bracket, and the other side is close to the fixing bracket. Removably bonded to the fixed bracket.

It is worth mentioning that the number of the elastic supports 2 is not limited. For example, in this embodiment, the elastic supports 2 include four, and the touch panel 3 is rectangular as an example for description. , the four elastic supports 2 are spaced apart from each other at the four corners of the touch panel 3, and the touch panel 3 is elastically supported on the fixing bracket 1 through the four elastic supports 2, and more It is well ensured that the touch panel 3 vibrates more uniformly and more reliably under the driving of the external linear vibration motor 4 .

Compared with the related art, in the tactile feedback test device of the present invention, the touch panel and the fixed bracket are relatively spaced apart, and the touch panel is used to support and fix the external linear vibration motor; the opposite ends of the elastic support are respectively connected to the fixed bracket and the fixed bracket. The touch panel forms a detachable connection to elastically support the touch panel on the fixed bracket; the touch panel is driven to vibrate by an external linear vibration motor, and the touch panel generates elastic vibration relative to the fixed bracket through the elastic support to simulate haptic feedback In the above structure, the structure of the tactile feedback test device is simplified. In addition, the elastic support member, the touch panel and the fixed bracket are all detachably connected. Replacing and installing different touch panels and elastic supports provides favorable conditions for continuously conducting multiple tactile feedback tests, thereby making the test operation process simpler and greatly improving the test efficiency.

The above are only the embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, improvements can be made without departing from the inventive concept of the present invention, but these belong to the present invention. scope of protection.

Claims

A tactile feedback test device, characterized in that it comprises:

fixed bracket;

a touch panel, the touch panel and the fixing bracket are relatively spaced apart, and the touch panel is used to support and fix an external linear vibration motor;

an elastic support member, two opposite ends of the elastic support member are respectively detachably connected with the fixing bracket and the touch panel, so as to elastically support the touch panel on the fixing bracket;

The touch panel is driven to vibrate by the external linear vibration motor, and the touch panel generates elastic vibration relative to the fixing bracket through the elastic support to simulate a haptic feedback effect.
The tactile feedback testing device according to claim 1, wherein the elastic support member comprises a fixing portion detachably connected to the fixing bracket and protruding from the fixing portion in a direction away from the fixing bracket The elastic connecting portion is detachably connected to the touch panel at one end away from the fixing bracket, so as to elastically support the touch panel on the fixing bracket.
The tactile feedback test device according to claim 2, wherein a side of the fixing bracket close to the touch panel is recessed to form a positioning groove, and the fixing portion is inserted into the positioning groove and is connected with the fixing The bracket forms a detachable connection.
The tactile feedback test device according to claim 3, wherein the tactile feedback test device further comprises a first screw, and the fixing bracket is provided with a first through hole in the positioning groove, so The fixing portion is provided with a first threaded through hole which is disposed opposite to the first through hole, and the first screw is threadedly connected to the first threaded through hole through the first through hole.
The tactile feedback testing device according to claim 3, wherein the fixing portion is a square boss, and the positioning groove is a square groove matching the shape of the square boss.
The tactile feedback test device according to claim 1, wherein the touch panel comprises a main body part spaced apart from the fixing bracket and a fixing table protruding from the main body part to the fixing bracket, The elastic connecting portion is detachably connected to the fixing table.
The tactile feedback testing device according to claim 6, wherein the elastic connecting portion comprises an elastic arm protruding from the fixing portion to the touch panel, and the elastic arm is away from the fixing bracket The connecting part is bent and extended on one side, and the connecting part is detachably connected to the fixing table.
The tactile feedback testing device according to claim 7, wherein the fixing table is recessed to form a positioning step, and the connecting portion is positioned and supported on the positioning step and is detachably connected to the fixing table.
The tactile feedback testing device according to claim 8, wherein the tactile feedback testing device further comprises a second screw, the connecting portion is provided with a second through hole penetrating therethrough, and the fixing table is provided with a second screw. The second through hole is opposite to the second threaded through hole provided, and the second screw is threadedly connected to the second threaded through hole through the second through hole.
The tactile feedback testing device according to claim 1, wherein the elastic connecting member is an elastic foam, and the touch panel comprises a main body part spaced apart from the fixing bracket; The fixing bracket protrudes and extends the fixing platform, one end of the elastic connecting piece is detachably bonded to the side of the fixing platform close to the fixing bracket, and the other side is detachably bonded to the fixing bracket.
The tactile feedback testing device according to any one of claims 1-10, wherein the touch panel is rectangular, and the elastic support includes four corners of the touch panel that are spaced apart from each other. The touch panel is elastically supported on the fixing bracket by the four elastic support members.
The tactile feedback testing device according to claim 1, wherein the touch panel is recessed to form a card slot, and the external linear vibration motor is detachably installed in the card slot.
The tactile feedback test device according to claim 1, wherein the touch panel and the external linear vibration motor are detachably connected by hot melt glue.