CN114428568B - Press touch structure and electronic equipment - Google Patents
Press touch structure and electronic equipment Download PDFInfo
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- CN114428568B CN114428568B CN202111678046.5A CN202111678046A CN114428568B CN 114428568 B CN114428568 B CN 114428568B CN 202111678046 A CN202111678046 A CN 202111678046A CN 114428568 B CN114428568 B CN 114428568B
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- pressing
- elastic substrate
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- 230000007246 mechanism Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 210000001503 joint Anatomy 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
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- 239000004332 silver Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
- G06F3/04142—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position the force sensing means being located peripherally, e.g. disposed at the corners or at the side of a touch sensing plate
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Push-Button Switches (AREA)
- Electronic Switches (AREA)
Abstract
The application discloses a pressing touch structure and electronic equipment. The pressing touch structure comprises a control panel, wherein the control panel is provided with a touch surface; the touch surface is provided with an installation groove, and the bottom of the installation groove is convexly provided with a protruding part; the pressing touch structure further comprises a piezoelectric sensing piece, wherein the piezoelectric sensing piece is arranged in the mounting groove, and the piezoelectric sensing piece is in butt joint with the protruding portion. The pressing touch structure can combine the sensing function with the pressing sensing function, and brings more real touch experience to a user.
Description
Technical Field
The application relates to the technical field of tactile feedback, in particular to a pressing touch structure and electronic equipment.
Background
In recent years, with the development of science and technology, various electronic products gradually enter thousands of households to become living necessities of people, and the requirements of consumers on various quality of the electronic products are also higher and higher. Among them, haptic feedback technology (Haptic or Tactile Feedbacks) is used in many electronic products, which can reproduce a tactile sensation as a user through a series of actions such as force, vibration, etc. Haptic feedback techniques may be applied to the aided creation and control of virtual scenes or virtual objects in computer simulations, as well as to enhance remote manipulation of machinery and equipment. In order to bring a more realistic use experience to users, how to use a haptic feedback technology to feedback a more realistic haptic experience to users is a technical problem that needs to be solved by each manufacturer.
Disclosure of Invention
An object of the present application is to provide a new technical solution for a pressing touch structure and an electronic device.
According to a first aspect of the present application, there is provided a press touch structure including:
the control panel is provided with a touch control surface; the touch surface is provided with an installation groove, and the bottom of the installation groove is convexly provided with a protruding part;
The piezoelectric sensing piece is arranged in the mounting groove, and the piezoelectric sensing piece is in butt joint with the protruding portion.
Optionally, the piezoelectric sensing element has a first surface and a second surface that are disposed opposite to each other, where the first surface abuts against the protruding portion, and the second surface is not higher than the touch surface.
Optionally, the pressing touch structure further includes an elastic substrate, the elastic substrate has a first surface and a second surface that are disposed opposite to each other, the first surface is connected with the piezoelectric sensing element, and the second surface is embedded in the mounting groove and is abutted to the protruding portion.
Optionally, the edge of the mounting groove is provided with a supporting step, and the edge of the second surface of the elastic substrate abuts against the supporting step.
Optionally, the pressing touch structure further includes an elastic substrate, and the number of the piezoelectric sensing pieces is two;
The elastic substrate is provided with a first surface and a second surface which are arranged opposite to each other, and the first surface and the second surface are respectively connected with one piezoelectric sensing piece.
Optionally, the touch surface is provided with a limiting block in a protruding mode at the side portion of the mounting groove.
Optionally, two limiting blocks are symmetrically arranged.
Optionally, the pressing touch structure further includes a circuit board, and the circuit board is electrically connected with the piezoelectric sensing element.
Optionally, the piezoelectric sensing element is a piezoelectric ceramic plate.
According to a second aspect of the present application, there is provided an electronic device comprising a press touch structure as described in the first aspect.
According to the pressing touch structure provided by the embodiment of the application, the piezoelectric sensing piece is arranged in the mounting groove formed in the touch surface of the control panel and is abutted with the protruding part in the mounting groove; the user presses the surface of the piezoelectric sensing piece far away from the bulge part by hand, the piezoelectric sensing piece applies pressure to the bulge part, meanwhile, the bulge part applies reaction force to the piezoelectric sensing piece, the piezoelectric sensing piece slightly deforms under the action of the pressing force, the deformation can cause the change of an electric signal, and the change of the electric signal plays a sensing function; meanwhile, the piezoelectric sensing piece generates a vibration effect under the pressing action, so that the hand of a user can sense that vibration exists, namely the piezoelectric sensing piece feeds back a pressing action to the user, and the pressing sensing function is achieved. Therefore, the pressing touch structure can combine the sensing function with the pressing sensing function, and more real touch experience is brought to a user.
Other features of the present application and its advantages will become apparent from the following detailed description of exemplary embodiments of the application, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
Fig. 1 is a schematic structural diagram of a pressing touch structure according to an embodiment of the present application;
FIG. 2 is a schematic diagram of a pressing touch structure according to an embodiment of the application;
FIG. 3 is a schematic diagram of a pressing touch structure according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a pressing touch structure according to an embodiment of the present application;
Fig. 5 is a schematic diagram of a pressing touch structure according to an embodiment of the application.
Reference numerals illustrate:
1. a control panel; 101. a touch surface; 102. a limiting block; 201. a mounting groove; 202. a boss; 203. a support step; 3. an elastic substrate; 4. a piezoelectric sensing element; 5. a circuit board.
Detailed Description
Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
Referring to fig. 1-5, a push touch structure is provided according to one embodiment of the present application. The pressing touch structure comprises a control panel 1, wherein the control panel 1 is provided with a touch surface 101; the touch surface 101 is provided with a mounting groove 201, and the bottom of the mounting groove 201 is convexly provided with a protruding part 202; the pressing touch structure further comprises a piezoelectric sensing piece 4, wherein the piezoelectric sensing piece 4 is arranged in the mounting groove 201, and the piezoelectric sensing piece 4 is in butt joint with the protruding portion 202.
When the pressing touch structure provided by the embodiment of the application is used, a user presses the piezoelectric sensing piece 4 by hand to be far away from the surface of the bulge 202, the piezoelectric sensing piece 4 applies pressure to the bulge 202, meanwhile, the bulge 202 applies reaction force to the piezoelectric sensing piece 4, the piezoelectric sensing piece 4 slightly deforms under the action of the pressing force, the deformation can cause the change of an electric signal, and the change of the electric signal has a sensing function; meanwhile, the piezoelectric sensing piece 4 generates a vibration effect under the pressing action, so that the hand of a user can sense that vibration exists, namely, the piezoelectric sensing piece 4 feeds back a pressing action to the user, and the pressing sensing function is achieved. Therefore, the pressing touch structure can combine the sensing function with the pressing sensing function, and more real touch experience is brought to a user. Further specifically, in the pressing touch structure provided by the embodiment of the application, the mounting groove 201 and the protruding portion 202 form a vibration collecting mechanism, so that the vibration effect generated by the piezoelectric sensing piece 4 can be collected in the range of the mounting groove 201, especially in the range of the protruding portion 202, the protruding portion 202 transmits the vibration outwards, the vibration transmission effect is achieved, and the protruding portion 202 can control the vibration range. The cross-sectional shape of the boss 202 may be circular, or may be other shapes, such as rectangular, square, triangular, etc. More specifically, the material of the control panel 1 may be, for example, plastic, glass, metal or other composite materials, which can be slightly deformed under a certain pressure.
In one embodiment, the piezoelectric sensing element 4 is a piezoelectric ceramic plate.
In this specific example, the piezoelectric sensing element 4 is made of piezoelectric ceramic, and the piezoelectric sensing element 4 is formed into a sheet-like structure, that is, formed into a piezoelectric ceramic sheet; the piezoelectric ceramic piece can feedback the vibration effect while functioning as a sensor. Further specifically, the thickness of the piezoelectric ceramic sheet may be 0.1mm to 2.0mm.
Referring to fig. 2-3, in one embodiment, the piezoelectric sensing element 4 further has a first surface and a second surface disposed opposite to each other, where the first surface abuts against the protruding portion 202, and the second surface is not higher than the touch surface 101.
In this specific example, after the piezoelectric sensing element 4 is embedded in the mounting groove 201, the inner surface (i.e., the first surface) of the piezoelectric sensing element 4 abuts against the boss 202, and the outer surface (i.e., the second surface) of the piezoelectric sensing element 4 is flush with the touch surface 101 of the control panel 1 or lower than the touch surface 101; the whole pressing touch structure presents a relatively flat structure form, is beneficial to the aggregation and transmission of vibration, and is beneficial to the thin design of the whole pressing touch structure.
Referring to fig. 1-5, in one embodiment, the pressing touch structure further includes an elastic substrate 3, where the elastic substrate 3 has a first surface and a second surface disposed opposite to each other, the first surface is connected to the piezoelectric sensing element 4, and the second surface is embedded in the mounting groove 201 and abuts against the protruding portion 202.
In this specific example, an elastic substrate 3 is disposed between the piezoelectric sensing element 4 and the boss 202, the elastic substrate 3 and the boss 202 together can jointly ensure that the intensity and the range of vibration are controllable, and the elastic substrate 3 and the boss 202 can be rigidly connected; in addition, the elastic substrate 3 can prevent the piezoelectric sensing piece 4 from directly acting on the boss 202, so that the piezoelectric sensing piece 4 is protected, the service life of the piezoelectric sensing piece 4 is effectively prolonged, and the reliability of the piezoelectric sensing piece 4 is improved. In an alternative example, the size of the flexible substrate 3 is larger than the size of the piezoelectric sensing element 4, and the piezoelectric sensing element 4 is attached to the central region of the flexible substrate 3. Further specifically, the shape of the elastic substrate 3 matches the shape of the mounting groove 201, and may be rectangular, circular, or other shapes, for example.
Further specifically, the elastic substrate 3 may be made of 301 stainless steel or 306 stainless steel; the elastic substrate 3 may be made of other metal materials, carbon fiber materials, glass fiber materials, or the like; further specifically, the thickness of the elastic substrate 3 may be 0.05mm to 0.5mm. Further specifically, the piezoelectric sensing element 4 is rigidly connected to the elastic substrate 3, and may be bonded using, for example, glue or double-sided tape.
Referring to fig. 1, in one embodiment, further, an edge of the mounting groove 201 is provided with a support step 203, and an edge of the second surface of the elastic substrate 3 abuts on the support step 203.
In this specific example, a supporting step 203 is provided at the edge of the mounting groove 201, and the supporting step 203 can connect and support the elastic substrate 3 and the piezoelectric sensing element 4, so as to facilitate the mounting and fixing of the elastic substrate 3 in the mounting groove 201. Further specifically, a middle region of the second surface of the elastic substrate 3 abuts against the boss 202, and an edge of the second surface of the elastic substrate 3 abuts against the support step 203. Further specifically, the edge of the second surface of the elastic substrate 3 is adhesively attached to the support step 203.
Referring to fig. 5, in one embodiment, the pressing touch structure further includes an elastic substrate 3, and the piezoelectric sensing elements 4 are disposed in two numbers; the elastic substrate 3 has a first surface and a second surface disposed opposite to each other, and the first surface and the second surface are respectively connected to one piezoelectric sensing element 4.
In this specific example, two piezoelectric sensing pieces 4 are provided, and the two piezoelectric sensing pieces 4 are respectively connected at two surfaces of the elastic substrate 3 opposite to each other, it can be considered that the two piezoelectric sensing pieces 4 form a double-layer structure by being connected with the elastic substrate 3; further, the piezoelectric sensing element 4 may be provided in two or more. Also, each piezoelectric sensing element 4 may be of a multilayer structure. The piezoelectric sensing pieces 4 with the plurality of piezoelectric sensing pieces 4 and/or the multilayer structure are arranged, and the thickness of a single piezoelectric sensing piece and/or a single-layer piezoelectric sensing piece can be thinned on the premise that the total thickness of the piezoelectric sensing pieces 4 is the same, so that the driving voltage required by the single piezoelectric sensing piece and/or the single-layer piezoelectric sensing piece can be reduced, and the pressing feedback force of the piezoelectric sensing piece 4 can be improved. In addition, the electrode structure of the piezoelectric sensing element 4 may be a single crystal structure or a bimorph structure.
Referring to fig. 1-5, in one embodiment, further, the touch surface 101 is provided with a stopper 102 protruding from a side portion of the mounting groove 201. Further, two limiting blocks 102 are symmetrically arranged.
In this specific example, the setting of the limiting block 102 can limit the position and the area where the vibration occurs, that is, limit the vibration effect within the range where the limiting block 102 is located, and not let the vibration spread, so that the vibration can be effectively avoided from being too spread, thereby improving the vibration effect and the haptic experience brought to the user. Further specifically, the limiting block 102 may be integrally formed with the touch surface 101 of the control panel 1, and the limiting block 102 may also be adhesively connected with the touch surface 101 of the control panel 1.
Referring to fig. 1-5, in one embodiment, the pressing touch structure further includes a circuit board 5, and the circuit board 5 is electrically connected to the piezoelectric sensing element 4.
In this particular example, the circuit board 5 is electrically connected to the piezoelectric sensing piece 4 to supply a desired driving voltage to the piezoelectric sensing piece 4. More specifically, the piezoelectric sensing element 4 and the circuit board 5 are bonded by solder paste, silver paste or anisotropic conductive adhesive tape, and can also be connected with the outside by a solder wire mode.
Further, referring to fig. 2, the elastic substrate 3 and the piezoelectric sensing piece 4 may be set to be large in size; as shown with reference to fig. 4, the dimensions of the elastic substrate 3 and the piezoelectric sensing element 4 can also be set smaller.
According to another embodiment of the present application, there is provided an electronic device including the press touch structure as described above.
The electronic device may be, for example, a mobile phone, an AR device, a VR device, a TWS headset, a touch portion of a control panel of an automobile interior and other electronic devices, etc.
The foregoing embodiments mainly describe differences between the embodiments, and as long as there is no contradiction between different optimization features of the embodiments, the embodiments may be combined to form a better embodiment, and in consideration of brevity of line text, no further description is given here.
While certain specific embodiments of the application have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the application. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the application. The scope of the application is defined by the appended claims.
Claims (9)
1. A pressing touch structure, characterized in that the pressing touch structure comprises:
A control panel (1), the control panel (1) having a touch surface (101); the touch control surface (101) is provided with a mounting groove (201), and the bottom of the mounting groove (201) is convexly provided with a protruding part (202);
the piezoelectric sensing piece (4) is arranged in the mounting groove (201), and the piezoelectric sensing piece (4) is in abutting connection with the protruding part (202);
-said piezoelectric sensing element (4) applying pressure to said boss (202) in case said piezoelectric sensing element (4) is pressed away from the surface of said boss (202);
the touch surface (101) is provided with a limiting block (102) in a protruding mode at the side portion of the mounting groove (201);
the mounting groove (201) and the bulge (202) form a vibration collecting mechanism, so that the vibration effect generated by the piezoelectric sensing piece (4) can be collected in the range of the bulge (202), and the bulge (202) transmits the vibration outwards;
the limiting block (102) can limit the vibration effect within the range of the limiting block (102).
2. The pressing touch structure according to claim 1, wherein the piezoelectric sensing element (4) has a first surface and a second surface disposed opposite to each other, wherein the first surface abuts against the protruding portion (202), and the second surface is not higher than the touch surface (101).
3. The pressing touch structure according to claim 1, further comprising an elastic substrate (3), wherein the elastic substrate (3) has a first surface and a second surface disposed opposite to each other, the first surface is connected to the piezoelectric sensing element (4), and the second surface is embedded in the mounting groove (201) and abuts against the protruding portion (202).
4. A pressing touch structure according to claim 3, characterized in that the edge of the mounting groove (201) is provided with a supporting step (203), and the edge of the second surface of the elastic substrate (3) abuts on the supporting step (203).
5. The pressing touch structure according to claim 1, further comprising an elastic substrate (3), and the piezoelectric sensing pieces (4) are provided in two numbers;
The elastic substrate (3) is provided with a first surface and a second surface which are arranged opposite to each other, and the first surface and the second surface are respectively connected with one piezoelectric sensing piece (4).
6. The pressing touch structure according to claim 1, wherein two of the stoppers (102) are symmetrically arranged.
7. The pressing touch structure according to claim 1, further comprising a circuit board (5), the circuit board (5) being electrically connected with the piezoelectric sensing element (4).
8. The pressing touch structure according to claim 1, wherein the piezoelectric sensing element (4) is a piezoelectric ceramic plate.
9. An electronic device, characterized in that the electronic device comprises a press-touch structure as claimed in any of claims 1-8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111678046.5A CN114428568B (en) | 2021-12-31 | 2021-12-31 | Press touch structure and electronic equipment |
| PCT/CN2022/136606 WO2023124806A1 (en) | 2021-12-31 | 2022-12-05 | Press touch control structure and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111678046.5A CN114428568B (en) | 2021-12-31 | 2021-12-31 | Press touch structure and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114428568A CN114428568A (en) | 2022-05-03 |
| CN114428568B true CN114428568B (en) | 2024-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111678046.5A Active CN114428568B (en) | 2021-12-31 | 2021-12-31 | Press touch structure and electronic equipment |
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| Country | Link |
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| CN (1) | CN114428568B (en) |
| WO (1) | WO2023124806A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114428568B (en) * | 2021-12-31 | 2024-09-10 | 青岛歌尔智能传感器有限公司 | Press touch structure and electronic equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211508936U (en) * | 2019-11-06 | 2020-09-15 | 南昌欧菲生物识别技术有限公司 | Piezoelectric motor, touch device and electronic equipment |
| CN212675528U (en) * | 2020-08-05 | 2021-03-09 | 欧菲微电子技术有限公司 | Vibration feedback module, touch control assembly and electronic equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201698328U (en) * | 2010-05-17 | 2011-01-05 | 瑞声声学科技(深圳)有限公司 | Touch screen feedback device |
| CN105511683B (en) * | 2015-12-31 | 2019-03-12 | 厦门天马微电子有限公司 | A kind of touch control display apparatus |
| CN113253828B (en) * | 2020-02-07 | 2023-09-08 | 华为技术有限公司 | Vibration feedback module, control method and equipment |
| CN212380437U (en) * | 2020-06-22 | 2021-01-19 | 欧菲微电子技术有限公司 | Piezoelectric module and electronic equipment |
| CN214474927U (en) * | 2020-12-29 | 2021-10-22 | 江西欧迈斯微电子有限公司 | Touch feedback module and electronic equipment |
| CN114428568B (en) * | 2021-12-31 | 2024-09-10 | 青岛歌尔智能传感器有限公司 | Press touch structure and electronic equipment |
-
2021
- 2021-12-31 CN CN202111678046.5A patent/CN114428568B/en active Active
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2022
- 2022-12-05 WO PCT/CN2022/136606 patent/WO2023124806A1/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211508936U (en) * | 2019-11-06 | 2020-09-15 | 南昌欧菲生物识别技术有限公司 | Piezoelectric motor, touch device and electronic equipment |
| CN212675528U (en) * | 2020-08-05 | 2021-03-09 | 欧菲微电子技术有限公司 | Vibration feedback module, touch control assembly and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114428568A (en) | 2022-05-03 |
| WO2023124806A1 (en) | 2023-07-06 |
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