阅读说明：本技术 一种方向盘换挡装置 (Steering wheel gearshift ) 是由 路飞飞 孙悦 赵永飞 于 2021-09-15 设计创作，主要内容包括：本申请提供了一种方向盘换挡装置,属于汽车换挡的技术领域,具体包括：触摸板,嵌设于方向盘辐条的背面；检测单元,检测用户在触摸板上的动作和压力值；电子控制单元,接收检测单元的检测信息,生成控制车辆换挡操作的电子信号,并将电子信号发送至整车系统,控制进行换挡操作。通过本申请的处理方案,提高用户换挡操作效率和便捷性,提高驾驶安全性。(The application provides a steering wheel gearshift belongs to the technical field that the car shifted, specifically includes: the touch pad is embedded in the back of the spoke of the steering wheel; a detection unit which detects the action and pressure value of the user on the touch pad; and the electronic control unit is used for receiving the detection information of the detection unit, generating an electronic signal for controlling the gear shifting operation of the vehicle, and sending the electronic signal to the whole vehicle system to control the gear shifting operation. Through the processing scheme of this application, improve user's shift operating efficiency and convenience, improve and drive the security.)

1. A steering wheel shifting apparatus, comprising:

the touch pad is embedded in the back of the spoke of the steering wheel;

a detection unit which detects the action and pressure value of the user on the touch pad;

and the electronic control unit is used for receiving the detection information of the detection unit, generating an electronic signal for controlling the gear shifting operation of the vehicle, and sending the electronic signal to the whole vehicle system to control the gear shifting operation.

2. The steering wheel gear shifting device according to claim 1, wherein the detection unit comprises a circuit board and a pressure sensor, a gap is formed in a back foaming body of the spoke of the steering wheel, the circuit board and the touch pad are sequentially embedded in the gap from inside to outside, the circuit board is connected with a whole vehicle system through a wire harness connector, the pressure sensor is mounted on the circuit board and abutted against the touch pad to detect a pressure value of the touch pad, and the electronic control unit is arranged on the circuit board.

3. The steering wheel shifting device according to claim 2, wherein the detection unit further comprises an algorithm control unit arranged on the circuit board, and the algorithm control unit receives data detected by the pressure sensor, calculates and determines a pressure value and an action effective on the touch pad by a person.

4. The steering wheel shifting device according to claim 3, wherein the pressure sensor detects a pressure of a user on the touch pad, generates a change of a voltage signal, and transmits the change of the voltage signal to the algorithm control unit, and the algorithm control unit determines that the touch is valid if the change of the voltage signal received by the algorithm control unit is greater than 150 and the touch time is greater than 20 ms.

5. The steering wheel shifting device according to claim 4, wherein the circuit board is provided with a plurality of pressure sensors in a distributed manner, the plurality of pressure sensors detect pressure values at different positions of the touch panel, and when a change in a voltage signal of any one of the pressure sensors does not meet a requirement, it is determined as an invalid touch.

6. The steering wheel shifting apparatus according to claim 5, wherein the arithmetic control unit performs mutual verification according to changes in the voltage signals detected by the plurality of pressure sensors, and is capable of recognizing user's single-click, double-click, sliding, and the like.

7. The steering wheel shifting apparatus of claim 2, wherein the circuit board is mounted to the foam body of the steering wheel by a fastener that extends through the circuit board and connects to the foam body of the steering wheel.

8. The steering wheel shifting apparatus of claim 2, wherein the touch pad is mounted to the foam body at the notch by a detent and snap arrangement, the touch pad completely covering the notch and smoothly transitioning with the notch edge.

9. The steering wheel gear shifting device according to any one of claims 2-8, further comprising an audio vibration device, wherein the audio vibration device is connected to the inner side of the touch pad and extends towards the circuit board, the circuit boards are an upper circuit board and a lower circuit board which are connected through a connector, the lower circuit board is mounted on the foaming body of the steering wheel through a fixing member, a hollow portion is arranged on the upper circuit board, the audio vibration device penetrates through the hollow portion and is embedded into a region between the upper circuit board and the lower circuit board, the audio vibration device is electrically connected with the lower circuit board through the connector and is controlled by a single chip microcomputer, and when the pressure sensor detects pressure change of the touch pad, the audio vibration device feeds back vibration and sound of a touch result in real time.

10. The steering wheel shifting device according to any one of claims 1 to 8, further comprising a communication unit and a power supply, wherein the electronic control unit sends the electronic signal to a vehicle system through the communication unit, and the power supply supplies power to the steering wheel shifting device.

Technical Field

The application relates to the field of automobile gear shifting, in particular to a steering wheel gear shifting device.

Background

At present, a common gear shifting mode adopted on a spoke of an automobile steering wheel adopts a shifting sheet to shift gears, so that speed change is realized, but the method is not convenient, the phenomenon of gear shifting by mistake can be caused by easy misoperation, and sometimes a user is distracted.

Disclosure of Invention

In view of this, the application provides a steering wheel gearshift, has solved the problem among the prior art, improves user's operating efficiency and convenience of shifting, improves driving safety nature.

The application provides a steering wheel gearshift adopts following technical scheme:

a steering wheel shifting device comprising:

the touch pad is embedded in the back of the spoke of the steering wheel;

a detection unit which detects the action and pressure value of the user on the touch pad;

and the electronic control unit is used for receiving the detection information of the detection unit, generating an electronic signal for controlling the gear shifting operation of the vehicle, and sending the electronic signal to the whole vehicle system to control the gear shifting operation.

Optionally, the detecting element includes circuit board and pressure sensor, be equipped with the breach on the back foaming body of steering wheel spoke, from interior to exterior inlays in proper order in the breach be equipped with the circuit board with the touch pad, the circuit board passes through pencil articulate whole car system, pressure sensor installs on the circuit board, and the butt the touch pad is used for detecting the pressure value of touch pad, the electronic control unit sets up on the circuit board.

Optionally, the detection unit further includes an algorithm control unit disposed on the circuit board, and the algorithm control unit receives data detected by the pressure sensor, and calculates and determines an effective pressure value and an effective action of a person on the touch pad.

Optionally, the pressure sensor detects pressure of a user on the touch pad, generates a change of a voltage signal, and transmits the change of the voltage signal to the algorithm control unit, and if the change of the voltage signal received by the algorithm control unit is greater than 150 and the touch time is greater than 20ms, the algorithm control unit determines that the touch is valid.

Optionally, the circuit board is provided with a plurality of pressure sensors in a dispersed manner, the pressure sensors detect pressure values of different positions of the touch pad, and when a change of a voltage signal of any one of the pressure sensors does not meet a requirement, the touch is determined to be invalid.

Optionally, the algorithm control unit performs mutual verification according to changes of voltage signals detected by the plurality of pressure sensors, and can recognize operations such as user clicking, double clicking, sliding and the like.

Optionally, the circuit board is mounted on the foaming body of the steering wheel through a fixing piece, and the fixing piece penetrates through the circuit board and is connected to the foaming body of the steering wheel.

Optionally, the touch pad is mounted to the foam body at the notch through a claw and a buckle structure, and the touch pad completely covers the notch and smoothly transits with the edge of the notch.

Optionally, still including audio vibration device, audio vibration device is connected to lateral in the touch pad the circuit board direction extends, the circuit board is upper circuit board and lower floor's circuit board through the connector connection, lower floor's circuit board pass through the mounting install in on the foaming body of steering wheel, be equipped with fretwork portion on the upper circuit board, audio vibration device passes fretwork portion embedding region between upper circuit board and the lower floor's circuit board, audio vibration device passes through the connector and is connected with lower floor's circuit board electricity, by single chip microcomputer control, works as pressure sensor detects the touch pad pressure change back, audio vibration device feeds back vibration and the sound of touch result in real time.

Optionally, the electronic control unit sends the electronic signal to the whole vehicle system through the communication unit, and the power supply supplies power to the steering wheel gear shifting device.

To sum up, the application comprises the following beneficial technical effects:

1. this application realizes steering wheel structure integration and pleasing to the eye through arranging the detection control circuit board in this body spoke back of steering wheel, and embedded the installing relies on the deformation and the compression of foaming itself in the foaming, retrains gearshift's main part, can be very convenient install. The gear shifting device can detect touch actions and touch pressure values of a user on the steering wheel and send gesture information of the user to the whole vehicle system, the user can obtain precious and important reaction time under key driving conditions, and the steering wheel is attractive. The operation efficiency, convenience and driving safety of a user can be improved;

2. the audio vibration device is electrically connected with the circuit board through the connector and is controlled by the single chip microcomputer, when a user operates the touch pad, the audio vibration device carries out audio prompt and vibration prompt, and the user can conveniently make adjustment in time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a shifter mounting position according to the present application;

FIG. 2 is a block diagram of a circuit board of the gear shifting apparatus of the present application;

FIG. 3 is a schematic view of the structure within the gap of the present application;

FIG. 4 is a front view structural diagram and a side view structural diagram of the circuit board of the present application;

FIG. 5 is a schematic diagram of a touch panel, pressure sensors and circuit board layout according to the present application;

fig. 6 is a schematic diagram of a demonstration structure of a user touch shift operation according to the present application.

Description of reference numerals: 1. a steering wheel; 11. a notch; 12. a foam; 13. spokes; 2. a touch panel; 3. a circuit board; 31. a connector assembly; 33. mounting holes; 34. a hollow-out section; 35. an audio vibration device; 36. a wire harness joint; 4. a pressure sensor; 5. an electronic control unit; 6. an algorithm control unit; 7. a communication unit; 8. a power source.

Detailed Description

The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The present application is capable of other and different embodiments and its several details are capable of modifications and/or changes in various respects, all without departing from the spirit of the present application. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. 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 application.

It is noted that various aspects of the embodiments are described below within the scope of the appended claims. It should be apparent that the aspects described herein may be embodied in a wide variety of forms and that any specific structure and/or function described herein is merely illustrative. Based on the present application, one skilled in the art should appreciate that one aspect described herein may be implemented independently of any other aspects and that two or more of these aspects may be combined in various ways. For example, an apparatus may be implemented and/or a method practiced using any number of the aspects set forth herein. Additionally, such an apparatus may be implemented and/or such a method may be practiced using other structure and/or functionality in addition to one or more of the aspects set forth herein.

It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present application, and the drawings only show the components related to the present application rather than the number, shape and size of the components in actual implementation, and the type, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.

In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, it will be understood by those skilled in the art that the aspects may be practiced without these specific details.

The embodiment of the application provides a steering wheel gearshift.

As shown in fig. 1 and 2, a steering wheel shifting device includes:

and the touch pad 2 is embedded on the back of the spoke 13 of the steering wheel 1, and the user performs gear shifting operation on the touch pad 2 in different touch modes.

And a detection unit that detects the action of the user on the touch panel 2 and the pressure value.

And the electronic control unit 5 is used for receiving the detection information of the detection unit, generating an electronic signal for controlling the gear shifting operation of the vehicle and sending the electronic signal to the whole vehicle system.

And the communication unit 7 and the electronic control unit 5 send electronic signals to the whole vehicle system through the communication unit 7.

And a power supply 8, wherein the power supply 8 supplies power to the steering wheel gear shifting device.

The detection unit comprises a circuit board 3 and a pressure sensor 4, a gap 11 is formed in a back foaming body 12 of a spoke 13 of the steering wheel 1, the circuit board 3 and the touch pad 2 are sequentially embedded in the gap 11 from inside to outside, the circuit board 3 is connected with the whole vehicle system through a wire harness connector 36, the pressure sensor 4 is installed on the circuit board 3 and abuts against the touch pad 2 to detect the pressure value received by the touch pad 2, and the electronic control unit 5 is arranged on the circuit board 3.

As shown in fig. 3 and 4, the wiring board 3 is mounted on the foam body 12 of the steering wheel 1 by a fixing member, which penetrates the wiring board 3 and is connected to the foam body 12 of the steering wheel 1. Specifically, the circuit board 3 has a double-layer structure, and includes an upper layer circuit board adjacent to the touch panel 2 and a lower layer circuit board adjacent to the bottom of the notch portion 11, and the two layers of structures are connected by the connector 31; the lower circuit board is provided with a mounting hole 33 penetrating through the upper surface and the lower surface, the fixing part is a bolt (the bolt is not shown in the drawing), and the bolt penetrates through the mounting hole 33 and is screwed on the foaming body 12 of the steering wheel 1; the upper circuit board is provided with a pressure sensor 4 which is abutted against the back surface of the touch pad 2. The wiring board 3 is a PCB board. An elastic structure is arranged between the foaming body 12 of the steering wheel 1 and the wiring harness joint 36, so that the wiring harness can be conveniently aligned when being connected, a gear shifting device can be conveniently and rapidly installed, and the condition of position error of the gear shifting device is reduced. The elastic structure in the embodiment of the present application is an elastic sealing ring, and the wire harness connector 36 is elastically fixed to the foam body 12.

As shown in fig. 1 and 5, the touch pad 2 is a rigid plate, and is mounted to the foam body 12 at the notch 11 by a click and snap structure, and the touch pad 2 completely covers the notch 11 and smoothly transitions with the edge of the notch 11. Specifically, the touch panel 2 covers the circuit board 3, the rigid board is closely attached to the circuit board 3 and abuts against the pressure sensor 4 on the circuit board 3, the pressure applied to the rigid board acts on the pressure sensor 4, and the pressure sensor 4 detects the pressure value applied to the rigid board. The edge of the rigid plate and the edge of the notch 11 are in smooth transition, so that the edge of the rigid plate and the periphery of the notch 11 are kept flat, and discomfort of a user during gear shifting operation is reduced.

As shown in fig. 4 and 5, a plurality of pressure sensors 4 are dispersedly disposed on the wiring board 3, the plurality of pressure sensors 4 detect pressure values at different positions of the touch panel 2, and a touch result is collectively determined based on the pressure values detected by the plurality of pressure sensors 4. Specifically, the number of the pressure sensors 4 is four, and the four pressure sensors are respectively distributed at four corners of the circuit board 3. The pressure sensor 4 is Mounted on the circuit board 3 by Surface Mount Technology (SMT).

The detection unit further comprises an algorithm control unit 6 arranged on the circuit board 3, and the algorithm control unit 6 receives data detected by the pressure sensor 4 and calculates and determines effective pressure values and actions of the person on the touch pad 2. Specifically, a single chip microcomputer is arranged on the circuit board 3 and serves as an algorithm control unit 6 to process the pressure values of the pressure sensors 4, and the touch positions, the touch actions and the touch pressure values are identified and processed through operation. And the invalid touch (namely the false touch) is removed by algorithm control, so that the probability of the false operation of the gesture of the user is effectively reduced.

The specific working process of the detection unit is as follows: the pressure sensor 4 detects the pressure of a user on the touch pad 2, generates the change of a voltage signal, transmits the change of the voltage signal to the algorithm control unit 6, the algorithm control unit 6 carries out algorithm operation to identify the pressure value and action of effective touch of the user through the change of the voltage signal, and sends the effective pressure value and action as detection information to the electronic control unit 5. More specifically, the algorithm control unit 6 detects the change of the voltage signal sent by the pressure sensor 4 in real time, and monitors the change of the touch pressure value of the user and the length of the touch time in real time. The algorithm control unit 6 judges whether the touch is mistaken or not according to the pressure change and the touch time of the pressure sensor 4.

The variation range of the voltage signal sent by the pressure sensor 4 when the touch panel 2 is not touched is 0-20; when the touch panel 2 is touched, the change range of the voltage signal sent by the pressure sensor 4 is 0-700, the change of the voltage signal received by the algorithm control unit 6 is more than 150, and the touch time is more than 20ms, the algorithm control unit 6 judges that the touch is effective. Otherwise the algorithm control unit 6 recognizes a user false touch.

The algorithm control unit 6 is matched with the pressure sensors 4 distributed at four corners of the circuit board 3, so that mutual verification can be carried out according to the change of voltage signals of the four pressure sensors 4, and the clicking, double clicking and sliding of a user can be identified. The setting touch action corresponding shift command may be: for example, a single tap indicates a shift "+", a double tap indicates a shift "-", a slide up indicates a shift "+", and a slide down indicates a shift "-". When the change of the voltage signal of any one sensor does not meet the requirement, the gear shifting operation is judged to be invalid, and the detection unit does not generate detection information. In other embodiments, different action gear shifting modes can be set according to requirements.

As shown in figure 6, the detection control circuit board 3 is arranged in the back face of the spoke 13 of the steering wheel 1, the structure of the steering wheel 1 is integrated and attractive, the steering wheel is embedded in foam, the main body of the gear shifting device is restrained by means of deformation and compression of the foam, and the gear shifting device can be installed very conveniently. The gear shifting device can detect the touch action and the touch pressure value of the user on the steering wheel 1 and send gesture information of the user to the whole vehicle system. The user is able to obtain valuable and important reaction time in critical driving situations and the steering wheel 1 of the present application is aesthetically pleasing. The operation efficiency, the convenience and the driving safety of the user can be improved.

As shown in fig. 3 and 4, the circuit board 3 is a double-layer structure connected by the connector 31, a hollow portion 34 is provided in the center of the upper layer circuit board, an audio vibration device 35 is embedded in the hollow portion 34, the audio vibration device 35 is connected to the back of the touch pad 2, and the audio vibration device 35 receives an electronic signal and emits vibration and sound reflecting a touch result. Specifically, the audio vibration device 35 is mounted on the side of the touch pad 2 facing the foam body 12 by means of gluing, i.e., the inner side of the touch pad 2, and in other embodiments, the audio vibration device 35 may be fixed on the inner side of the touch pad 2 by means of other means than gluing. Meanwhile, the audio vibration device 35 is electrically connected with the lower-layer circuit board through the connector 31 and is controlled by the single chip microcomputer, when a user operates the touch pad 2, the audio vibration device 35 performs audio prompt and vibration prompt, and the user can make adjustment in time.

Moreover, the audio vibration device 35 of this application cooperates the pressure sensor 4 in the four corners of circuit board 3 to use, when the change of the voltage signal of any one pressure sensor 4 can't reach the requirement, all judge this time shift operation invalid, for invalid touching, do not give the user suggestion and feedback through audio vibration device 35.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.