CN113114205A - Touch switch and car of preventing mistake and touching - Google Patents
Touch switch and car of preventing mistake and touching Download PDFInfo
- Publication number
- CN113114205A CN113114205A CN202110384204.XA CN202110384204A CN113114205A CN 113114205 A CN113114205 A CN 113114205A CN 202110384204 A CN202110384204 A CN 202110384204A CN 113114205 A CN113114205 A CN 113114205A
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- touch
- membrane
- circuit board
- touch switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000012528 membrane Substances 0.000 claims description 45
- 239000002184 metal Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The invention discloses a touch switch capable of preventing false touch and an automobile. When the user point pressed the touch function region, press the subassembly and transmit the pressing force to the second diaphragm, make the second diaphragm produce deformation, thereby make the distance between second diaphragm and the first diaphragm change, because first diaphragm and second diaphragm are two polar plates of electric capacity, when the distance between first diaphragm and the second diaphragm changes, the capacitance value changes, at this moment, the change of circuit board detection capacitance value, thereby detect the effective signal of button, send the button instruction, the user need produce down the pressure when touching just can be detected the capacitance value change by the circuit board under this condition, can avoid the spurious triggering when the finger is drawn by accident.
Description
Technical Field
The invention relates to the technical field of vehicle design, in particular to a touch switch capable of preventing mistaken touch and an automobile.
Background
The touch switch mainly realizes the control of the auxiliary driving function and the entertainment function of the vehicle, and the traditional key switch is gradually updated and replaced by the touch switch.
The existing touch switch is configured with an MCU port to charge and discharge a channel capacitor and monitor whether a user touches a functional area or not by monitoring voltage change in real time. When a finger approaches a touch area, the capacitance is changed, the voltage in a channel is changed through charging and discharging, and the MCU monitors the change and outputs a corresponding command; in current touch switch, the sensor PAD on the electric capacity membrane is as a polar plate of electric capacity, and the finger is as another polar plate of electric capacity, and when the finger was close to the sensor PAD, two polar plate distance changes can arouse the appearance value to change, and current scheme has a defect just when the finger is drawn the panel, can probably be sensed by other touch regional sensor PAD to arouse the spurious triggering, bring inconvenience for user's use.
Therefore, how to solve the problem of false triggering of the existing touch screen in use is a technical problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide a touch switch capable of preventing false triggering, which changes the touch structure of the existing touch screen by combining a capacitive touch technology and a mechanical principle and avoids the situation of false triggering of the touch screen during use.
In order to solve the technical problem, the invention provides a touch switch capable of preventing false touch, which comprises a pressing component, a circuit board, a first membrane and a second membrane, wherein the first membrane is arranged on the circuit board, the second membrane is connected with the pressing component, and a gap with a preset distance is arranged between the first membrane and the second membrane.
Preferably, the rear end of the second diaphragm is connected with the middle part of the circuit board, and the front end of the second diaphragm abuts against the driving element of the pressing assembly.
Preferably, the first membrane is printed on the circuit board.
Preferably, the first diaphragm and the second diaphragm are both metal diaphragms.
Preferably, the pressing component is a touch pad or a button cap.
The application also discloses an automobile, including the automobile body and set up in the internal well accuse screen of automobile, be equipped with the aforesaid in the well accuse screen the touch switch that prevents the mistake and touch.
The invention provides a touch switch capable of preventing false touch, which comprises a pressing component, a circuit board, a first membrane and a second membrane, wherein the first membrane is arranged on the circuit board, the second membrane is connected with the pressing component, and a gap with a preset distance is arranged between the first membrane and the second membrane. When the user point pressed the touch function region, press the subassembly and transmit the pressing force to the second diaphragm, make the second diaphragm produce deformation, thereby make the distance between second diaphragm and the first diaphragm change, because first diaphragm and second diaphragm are two polar plates of electric capacity, when the distance between first diaphragm and the second diaphragm changes, the capacitance value changes, at this moment, the change of circuit board detection capacitance value, thereby detect the effective signal of button, send the button instruction, the user need produce down the pressure when touching just can be detected the capacitance value change by the circuit board under this condition, can avoid the spurious triggering when the finger is drawn by accident. The application also discloses an automobile, including the automobile body and set up the well accuse screen in the automobile body, be provided with foretell touch switch who prevents the mistake and touch in the well accuse screen, improved the control accuracy of accuse screen in the automobile, avoided the condition that well accuse screen button mistake triggered.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic overall structure diagram of another embodiment of the present invention.
Wherein, in fig. 1-2:
the pressing component-1, the circuit board-2, the first diaphragm-3 and the second diaphragm-4.
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 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, fig. 1 is a schematic overall structure diagram of an embodiment of the present invention. Wherein the arrows in the figure indicate the touch pressure direction.
In an embodiment provided by the present invention, the optical module mainly includes a pressing component 1, a circuit board 2, a first membrane 3 and a second membrane 4, the first membrane 3 is disposed on the circuit board 2, the second membrane 4 is connected to the pressing component 1, and a gap with a predetermined distance is disposed between the first membrane 3 and the second membrane 4.
The pressing assembly 1 is used for pressing by a user and transmitting a pressing force to the second membrane 4, the second membrane 4 is used for deforming when receiving the pressing force transmitted by the pressing assembly 1, and a distance between the second membrane 4 and the first membrane 3 changes so as to cause change of capacitance values on the circuit board 2, and the circuit board 2 is used for detecting change of the capacitance values.
Specifically, in the middle of the practical application, when the user's finger pressed the touch function region, the pressing assembly 1 transmitted the pressing force to the second diaphragm 4, make the second diaphragm 4 produce deformation, thereby make the distance between second diaphragm 4 and the first diaphragm 3 change, because first diaphragm 3 and second diaphragm 4 are two polar plates of electric capacity, when the distance between first diaphragm 3 and the second diaphragm 4 changes, the capacitance value changes, at this moment, the change of 2 detection capacitance values of circuit board, thereby detect the effective signal of button, send the button instruction.
In order to improve the reliability of the key switch, the rear end of the second membrane 4 is connected with the middle of the circuit board 2, the front end of the second membrane 4 is abutted to a driving element of the pressing component 1, when a user lightly presses a functional area, the second membrane 4 can slightly deform, and the distance between the second membrane 4 and the first membrane 3 changes, so that the capacitance value is changed, under the condition, the user needs to touch and generate a downward pressure to be detected by the circuit board 2, the false triggering when the user accidentally scratches a finger can be avoided, and the reliability of the key switch is improved.
Similarly, the first membrane 3 is printed on the circuit board 2, so that the stability of the first membrane 3 can be improved, the distance change between the second membrane 4 and the first membrane 3 is ensured to be generated only by the deformation of the second membrane 4, and the reliability of the key switch is improved.
The first diaphragm 3 and the second diaphragm 4 are both metal diaphragms, and since the first diaphragm 3 and the second diaphragm 4 are required to be conductive as two electrode plates of a capacitor, the first diaphragm 3 and the second diaphragm 4 are provided as metal diaphragms having conductivity.
In order to enable a user to more conveniently perform pressing operation, the pressing component 1 is a touch pad or a button cap, which is beneficial for the user to apply pressing force and improves the convenience of the user.
Referring to fig. 2, fig. 2 is a schematic overall structure diagram of another embodiment of the present invention. Wherein the arrows in the figure indicate the touch pressure direction.
In the design disclosed in this application, can be through changing first diaphragm 3 and 4 relative positions of second diaphragm, can realize the above-mentioned effect of avoiding the button spurious triggering equally, for example, print first diaphragm 3 in the intermediate position of circuit board 2, second diaphragm 4 sets up respectively in first diaphragm 3 below and outwards extends along opposite direction, can play above-mentioned effect equally, all belongs to the protection scope of this application.
The application also discloses an automobile, including the automobile body and set up the well accuse screen in the automobile body, be provided with foretell touch switch who prevents the mistake and touch in the well accuse screen, avoided the condition that well accuse screen button mistake triggered.
In summary, the touch switch for preventing accidental touch provided by the embodiment mainly comprises a pressing component, a circuit board, a first membrane and a second membrane, wherein the first membrane is arranged on the circuit board, the second membrane is connected with the pressing component, and a gap with a preset distance is arranged between the first membrane and the second membrane. When the user point pressed the touch function region, press the subassembly and transmit the pressing force to the second diaphragm, make the second diaphragm produce deformation, thereby make the distance between second diaphragm and the first diaphragm change, because first diaphragm and second diaphragm are two polar plates of electric capacity, when the distance between first diaphragm and the second diaphragm changes, the capacitance value changes, at this moment, the change of circuit board detection capacitance value, thereby detect the effective signal of button, send the button instruction, the user need produce down the pressure when touching just can be detected the capacitance value change by the circuit board under this condition, can avoid the spurious triggering when the finger is drawn by accident.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a touch switch who prevents mistake and touch which characterized in that, is including pressing subassembly, circuit board, first diaphragm and second diaphragm, first diaphragm set up in on the circuit board, the second diaphragm with press the subassembly to be connected, just first diaphragm with be equipped with the clearance of predetermineeing the distance between the second diaphragm.
2. The touch switch of claim 1, wherein the rear end of the second membrane is connected to the middle of the circuit board, and the front end of the second membrane abuts against the driving element of the pressing member.
3. The touch switch of claim 2, wherein the first membrane is printed on the circuit board.
4. The touch switch of claim 3, wherein the first and second membranes are both metal membranes.
5. The touch switch of claim 1, wherein the push component is a touch pad or a button cap.
6. An automobile, characterized by comprising an automobile body and a central control screen arranged in the automobile body, wherein the central control screen is internally provided with the mistaken touch preventing touch switch of any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110384204.XA CN113114205A (en) | 2021-04-09 | 2021-04-09 | Touch switch and car of preventing mistake and touching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110384204.XA CN113114205A (en) | 2021-04-09 | 2021-04-09 | Touch switch and car of preventing mistake and touching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113114205A true CN113114205A (en) | 2021-07-13 |
Family
ID=76715310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110384204.XA Pending CN113114205A (en) | 2021-04-09 | 2021-04-09 | Touch switch and car of preventing mistake and touching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113114205A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115097964A (en) * | 2022-06-14 | 2022-09-23 | 上汽通用汽车有限公司 | A switch instruction receiving method, device, system and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201252531Y (en) * | 2008-05-19 | 2009-06-03 | 深圳市同洲电子股份有限公司 | Touch keystroke and electronic device using same |
| CN101800533A (en) * | 2010-03-03 | 2010-08-11 | 深圳市航盛电子股份有限公司 | Touch key control method and device and automobile audio equipment using same |
| CN101978342A (en) * | 2008-04-02 | 2011-02-16 | 韩相烈 | Capacitive touch screen |
| KR20110092669A (en) * | 2010-02-10 | 2011-08-18 | (주)하이디스터치스크린 | Capacitive Hybrid Function Button |
| CN106301326A (en) * | 2016-08-24 | 2017-01-04 | 青岛海信电器股份有限公司 | A kind of touch key-press and touch signal processing method, device |
| CN107667335A (en) * | 2015-06-17 | 2018-02-06 | 希迪普公司 | The touch input device that can detect pressure including display module |
| DE102019006628A1 (en) * | 2019-09-20 | 2021-03-25 | Diehl Ako Stiftung & Co. Kg | Control device |
-
2021
- 2021-04-09 CN CN202110384204.XA patent/CN113114205A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101978342A (en) * | 2008-04-02 | 2011-02-16 | 韩相烈 | Capacitive touch screen |
| CN201252531Y (en) * | 2008-05-19 | 2009-06-03 | 深圳市同洲电子股份有限公司 | Touch keystroke and electronic device using same |
| KR20110092669A (en) * | 2010-02-10 | 2011-08-18 | (주)하이디스터치스크린 | Capacitive Hybrid Function Button |
| CN101800533A (en) * | 2010-03-03 | 2010-08-11 | 深圳市航盛电子股份有限公司 | Touch key control method and device and automobile audio equipment using same |
| CN107667335A (en) * | 2015-06-17 | 2018-02-06 | 希迪普公司 | The touch input device that can detect pressure including display module |
| CN106301326A (en) * | 2016-08-24 | 2017-01-04 | 青岛海信电器股份有限公司 | A kind of touch key-press and touch signal processing method, device |
| DE102019006628A1 (en) * | 2019-09-20 | 2021-03-25 | Diehl Ako Stiftung & Co. Kg | Control device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115097964A (en) * | 2022-06-14 | 2022-09-23 | 上汽通用汽车有限公司 | A switch instruction receiving method, device, system and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20220075462A1 (en) | Pressure sensitive stylus | |
| CN209248472U (en) | A vehicle touch screen control system | |
| WO2020216278A1 (en) | Touch press button component, control circuit, and electronic device | |
| CN113114205A (en) | Touch switch and car of preventing mistake and touching | |
| CN110958013A (en) | A steering wheel touch switch structure | |
| CN111994093B (en) | Touch device and touch detection method | |
| CN210776591U (en) | Touch steering wheel switch | |
| CN212677142U (en) | A capacitive touch steering wheel switch | |
| CN209593397U (en) | A kind of soft-touch control that band is passively fed back | |
| CN101729633B (en) | Key device | |
| JP2015152429A (en) | Pressure sensor, and stylus pen | |
| CN211557245U (en) | Keyboard with a keyboard body | |
| CN212963794U (en) | Pressure detection structure of automobile touch key | |
| CN211352174U (en) | False touch prevention touch switch | |
| CN211001167U (en) | Automatic clamping capacitance touch control type vehicle-mounted support | |
| CN210984573U (en) | Pressure-sensing key device, automobile steering wheel and vehicle | |
| JP2007157371A (en) | Capacitive digital touch panel | |
| CN106814889B (en) | Mouse and awakening method thereof | |
| JP2015090727A (en) | Electrostatic capacitance type switch device | |
| CN220686991U (en) | Handle and door | |
| CN222599024U (en) | Capacitive handle sensor integrating pressure detection | |
| CN220894880U (en) | Capacitive touch sensor, capacitive touch assembly and touch display device | |
| JP2015130122A (en) | Capacitive operation device | |
| CN220139535U (en) | Double-loop electronic switch | |
| CN220795824U (en) | Touch vibration feedback screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |