CN209888788U - Capacitive touch steering wheel switch - Google Patents
Capacitive touch steering wheel switch Download PDFInfo
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- CN209888788U CN209888788U CN201920776305.XU CN201920776305U CN209888788U CN 209888788 U CN209888788 U CN 209888788U CN 201920776305 U CN201920776305 U CN 201920776305U CN 209888788 U CN209888788 U CN 209888788U
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- controller
- steering wheel
- shell
- wheel switch
- panel
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Abstract
The utility model provides a touch steering wheel switch of electric capacity, include: the shell is provided with a panel, and the panel is provided with a plurality of keys; the capacitive sensor is arranged on the back of the panel and connected with the controller, the capacitive sensor is used for acquiring touch signals, and the controller is suitable for receiving the touch signals so as to control the work of the vehicle-mounted entertainment system; the vibration motor is arranged on the shell or the panel and connected with the controller, and the controller controls the vibration motor to vibrate when the keys are effectively touched. Through setting up capacitive sensor, on the one hand realize preventing the function of mistake touching, on the other hand, compare with prior art adoption mechanical type's switch, the product is more miniaturized, and life is longer, and through setting up vibrating motor, the controller is when the button is effectively touched, controls vibrating motor vibrations to provide vibrations feedback, more make things convenient for people to use.
Description
Technical Field
The utility model relates to the field of automotive technology, concretely relates to electric capacity touch steering wheel switch.
Background
At present, a steering wheel switch of an automobile body entertainment system usually uses a mechanical light touch switch or a micro switch to realize operation control, and the mechanical switch has limited service life and a certain height, so that the product volume is large.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the steering wheel switch among the prior art is bulky, and casing and mount pad are connected insecurely to a small, casing and mount pad firm in connection's electric capacity touch steering wheel switch is provided.
Therefore, the utility model provides an electric capacity touch steering wheel switch, include:
the keyboard comprises a shell, a keyboard and a keyboard, wherein a panel is arranged on the shell, and a plurality of keys are arranged on the panel;
the capacitive sensor is arranged on the back of the panel and connected with the controller, the capacitive sensor is used for acquiring touch signals, and the controller is suitable for receiving the touch signals so as to control the work of the vehicle-mounted entertainment system;
the vibration motor is arranged on the shell or the panel and connected with the controller, and the controller controls the vibration motor to vibrate when the keys are effectively touched.
The controller is suitable for timing the signal value and the duration of the touch signal, and when the signal value and the timing duration are larger than a set threshold value, the controller controls the vehicle-mounted entertainment system to work.
The controller triggers the vibration motor to vibrate only when one key is effectively touched.
The circuit board is characterized by further comprising a base arranged on the lower portion of the shell, an inner cavity used for installing a circuit board is formed between the shell and the base, and the controller is arranged on the circuit board.
The vibration motor is installed in the installation groove of the housing.
The vibration motor is installed in the mounting groove of the panel, and a gap is reserved between the mounting groove and the shell.
The circuit board is also provided with a plurality of indicator lights which are electrically connected with the controller and correspond to the keys one to one, and the shell is formed with light guide through holes which are vertically arranged and correspond to the indicator lights.
The light guide part is beneficial to guiding light of the indicator lamp and is fixedly arranged at the position of the light guide through hole, and the light guide part is connected with the inner wall of the light guide through hole in an interference fit manner.
The indicator light displays white when the key is not effectively touched, and displays red when the key is effectively touched.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a capacitive touch steering wheel switch, including casing, panel, capacitive sensor and vibrating motor, capacitive sensor sets up in the back of panel, is connected with the controller, and capacitive sensor is used for gathering touch signal, and the controller is suitable for receiving touch signal to the work of control on-vehicle entertainment system; on the one hand, the function of preventing the mistake touching is realized, on the other hand, compares with the switch that prior art adopted mechanical type, and the product is more miniaturized, and life is longer, and through vibrating motor, the controller is when the button is effectively touched, controls vibrating motor vibrations to provide vibrations feedback, make things convenient for people to use more.
2. The utility model provides an electric capacity touch steering wheel switch still forms the inner chamber that is used for the mounting line board between casing and the base including setting up in the base of casing lower part, and the controller sets up on the circuit board, and the circuit board is installed alone in the inner chamber between base and casing, keeps apart with other subassemblies such as button, capacitive sensor, and the security performance is higher.
3. The utility model provides an electric capacity touch steering wheel switch, vibrating motor install in the mounting groove of panel, have the clearance between mounting groove and the casing, when vibrating motor drive panel vibrations, the shaking force who gives the casing by the panel retransmission has been very little, consequently, the installation of casing is more firm, has prolonged the life of product.
4. The utility model provides a touch steering wheel switch of electric capacity, still be provided with on the circuit board with a plurality of pilot lamps of a plurality of button one-to-one be connected with the controller electricity, the shaping has the leaded light through-hole that corresponds with the pilot lamp of vertical setting on the casing, the pilot lamp is when the button is not effectively touched, show white, when the button is effectively touched, it is red to show, the colour change through the pilot lamp reminds people, more make things convenient for people to use at night, and the fixed leaded light spare that does benefit to the pilot lamp leaded light that is provided with of leaded light through-hole department, more be favorable to the even scattering of light of pilot lamp to around, more make things convenient for people's touch location at night.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded schematic view of the capacitive touch steering wheel switch of the present invention.
Fig. 2 is a working schematic diagram of the capacitive touch steering wheel switch of the present invention.
Description of reference numerals: 1. a housing; 12. a light guide; 13. a first clamping block; 14. a second card hole; 2. a panel; 21. pressing a key; 22. mounting grooves; 23. a vibration motor; 24. a capacitive sensor; 25. a first card hole; 3. a base; 31. a second fixture block; 4. a circuit board; 41. and an indicator light.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
The present embodiment provides a capacitive touch steering wheel switch, as shown in fig. 1, including a capacitive sensor 24, a vibration motor 23 indicator light, and a controller.
The capacitive sensor 24 is arranged on the back of the panel 2 and connected with the controller, the capacitive sensor 24 is used for collecting touch signals, the controller is suitable for receiving the touch signals to control the work of the vehicle-mounted entertainment system, the controller is suitable for timing the signal value and the duration of the touch signals, and when the signal value and the timing duration are greater than set thresholds, the vehicle-mounted entertainment system is controlled to work.
The vibration motor 23 is arranged in the mounting groove of the shell 1 and connected with the controller, and the controller controls the vibration motor 23 to vibrate only when one key 21 is effectively touched (the signal value and the timing duration of the touch signal are greater than a set threshold); if a plurality of keys are effectively touched at the same time, the vibration motor cannot vibrate, and the trigger signals of the keys cannot be transmitted to the vehicle-mounted entertainment system.
Still be provided with on the circuit board 4 with the controller electricity be connected with a plurality of the button 21 a plurality of pilot lamps 41 of one-to-one, the shaping have on the casing 1 vertical setting with the leaded light through-hole that pilot lamp 41 corresponds, the fixed setting in leaded light through-hole department is favorable to leaded light spare 12 of pilot lamp 41 leaded light, leaded light spare 12 with the inner wall interference fit of leaded light through-hole is connected. The indicator lamp 41 displays white when the key 21 is not effectively touched, and displays red when the key 21 is effectively touched.
The lower part of the shell 1 is provided with a base 3, an inner cavity for installing a circuit board 4 is formed between the shell 1 and the base 3, and the controller is arranged on the circuit board 4. Casing 1 is connected with panel 2 and 3 buckles of base respectively, the curb plate upper portion shaping of casing 1 have with the first fixture block 13 of the first card hole 25 cooperation joint of panel 2, the curb plate lower part have with the second card hole 14 of the second fixture block 31 cooperation joint of base 3.
In an alternative embodiment, the vibration motor 23 is mounted in a mounting groove 22 of the panel 2, and a gap is formed between the mounting groove 22 and the housing 1.
The working principle of the capacitive touch steering wheel switch of the embodiment is as follows:
as shown in fig. 2, when a person triggers a single key for more than 50 milliseconds, the key is effectively touched, the controller controls the vibration motor to vibrate, the indicator light is switched from white to red, meanwhile, the controller sends an effective signal to the vehicle-mounted entertainment system to control the vehicle-mounted entertainment system to work, then, the controller judges whether the key is released, if not, the controller continues to send the effective signal to the vehicle-mounted entertainment system, for example, the volume of the vehicle-mounted entertainment system is controlled to continuously increase or decrease, and in the process, the indicator light keeps red; when the key is released, the indicator light is switched from red to white.
If a plurality of keys are effectively touched at the same time, the vibration motor cannot vibrate, the indicator light is still white, and the trigger signal of the keys cannot be transmitted to the vehicle-mounted entertainment system.
It should be noted that different vibration effects and color changes of the indicator light can be defined according to user requirements and application scenarios.
In the embodiment, the controller is a programmable embedded system controller of a 32-bit MCU (microprogrammed control Unit) and an ARM Cortex-M0+ CPU.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. A capacitive touch steering wheel switch, characterized in that: the method comprises the following steps:
the key comprises a shell (1), a panel (2) is arranged on the shell, and a plurality of keys (21) are arranged on the panel (2);
the capacitive sensor (24) is arranged on the back of the panel (2) and connected with the controller, the capacitive sensor (24) is used for acquiring touch signals, and the controller is suitable for receiving the touch signals so as to control the work of the vehicle-mounted entertainment system;
the vibration motor (23) is arranged on the shell (1) or the panel (2) and connected with the controller, and the controller controls the vibration motor (23) to vibrate when the key (21) is effectively touched.
2. The capacitive touch steering wheel switch of claim 1, wherein: the controller is suitable for timing the signal value and the duration of the touch signal, and when the signal value and the timing duration are larger than a set threshold value, the controller controls the vehicle-mounted entertainment system to work.
3. The capacitive touch steering wheel switch of claim 2, wherein: the controller triggers the vibration motor (23) to vibrate only when one of the keys (21) is effectively touched.
4. The capacitive touch steering wheel switch of any of claims 1-3, wherein: the circuit board is characterized by further comprising a base (3) arranged on the lower portion of the shell (1), an inner cavity used for installing a circuit board (4) is formed between the shell (1) and the base (3), and the controller is arranged on the circuit board (4).
5. The capacitive touch steering wheel switch of claim 4, wherein: the vibration motor (23) is installed in an installation groove of the shell (1).
6. The capacitive touch steering wheel switch of claim 4, wherein: the vibration motor (23) is installed in an installation groove (22) of the panel (2), and a gap is reserved between the installation groove (22) and the shell (1).
7. The capacitive touch steering wheel switch of claim 5 or 6, wherein: the light guide device is characterized in that the circuit board (4) is further provided with a plurality of indicator lamps (41) which are electrically connected with the controller and correspond to the keys (21) one by one, and the shell (1) is formed with light guide through holes which are vertically arranged and correspond to the indicator lamps (41).
8. The capacitive touch steering wheel switch of claim 7, wherein: the light guide through hole is fixedly provided with a light guide piece (12) which is beneficial to guiding light by the indicator lamp (41), and the light guide piece (12) is connected with the inner wall of the light guide through hole in an interference fit manner.
9. The capacitive touch steering wheel switch of claim 8, wherein: the indicator lamp (41) displays white when the key (21) is not effectively touched, and displays red when the key (21) is effectively touched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776305.XU CN209888788U (en) | 2019-05-27 | 2019-05-27 | Capacitive touch steering wheel switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920776305.XU CN209888788U (en) | 2019-05-27 | 2019-05-27 | Capacitive touch steering wheel switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209888788U true CN209888788U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920776305.XU Active CN209888788U (en) | 2019-05-27 | 2019-05-27 | Capacitive touch steering wheel switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209888788U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111277258A (en) * | 2020-01-15 | 2020-06-12 | 上海科世达-华阳汽车电器有限公司 | Control method and system of touch switch and touch switch |
| CN111478692A (en) * | 2020-04-15 | 2020-07-31 | 宁波卓域电子科技有限公司 | Touch L IN bus switch with vibration feedback and control method thereof |
| WO2021248510A1 (en) * | 2020-06-10 | 2021-12-16 | 瑞声声学科技(深圳)有限公司 | Touch switch and control method therefor |
-
2019
- 2019-05-27 CN CN201920776305.XU patent/CN209888788U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111277258A (en) * | 2020-01-15 | 2020-06-12 | 上海科世达-华阳汽车电器有限公司 | Control method and system of touch switch and touch switch |
| CN111277258B (en) * | 2020-01-15 | 2024-02-20 | 上海科世达-华阳汽车电器有限公司 | Control method and system of touch switch and touch switch |
| CN111478692A (en) * | 2020-04-15 | 2020-07-31 | 宁波卓域电子科技有限公司 | Touch L IN bus switch with vibration feedback and control method thereof |
| WO2021248510A1 (en) * | 2020-06-10 | 2021-12-16 | 瑞声声学科技(深圳)有限公司 | Touch switch and control method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. M-1, West Industrial Zone, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province, 325608 (Branch office: No. 1, Area A, Science and Technology Innovation Park, Hongqiao Town, Yueqing City (in Yueqing Zhongtaizhi Aluminum Door and Window Decoration Co., Ltd.) Patentee after: Daming Electronics Co.,Ltd. Address before: 325608 no.m-1, West Industrial Zone, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: DAMING ELECTRONIC CO.,LTD. |
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| CP03 | Change of name, title or address |