Automobile steering wheel switch with infrared pressure induction

Abstract

The utility model relates to an automobile steering wheel switch with infrared pressure induction, which comprises a steering wheel framework, a spoke and a PCB (printed circuit board) assembly, the steering wheel framework is positioned on the periphery of the spoke and is connected with the spoke, the automobile steering wheel switch is characterized in that an operation area is arranged on the spoke, a sliding frame and an induction sheet are arranged on the inner side of the spoke, the induction sheet is positioned below the operation area, and the PCB assembly is positioned below the sliding frame. The induction sheet is connected with the PCB assembly, the sliding frame is connected with the spoke, a reflecting surface is arranged on the sliding frame, the PCB assembly is arranged below the sliding frame, an infrared inductor is arranged on the PCB assembly, and the infrared inductor and the reflecting surface are oppositely arranged. By adopting the technical scheme, the utility model provides the automobile steering wheel switch with infrared pressure induction, which can effectively prevent misoperation and is safer and more reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile switches, in particular to an automobile steering wheel switch with infrared pressure induction. Background Art

[0002] The car steering wheel is a standard accessory for cars, used to control the direction of the car. With the rapid development of electronic technology in new energy vehicles, the interiors of many cars tend to be simpler and more technological, so the combination switches used to adjust the wiper and light functions are gradually replaced. These switches are integrated into the steering wheel switches, which are convenient for the driver to control when driving the vehicle.

[0003] However, most car steering wheel switches are pressed using micro switches, and fewer involve pressure sensing feedback. When the circuit board receives a signal from a person touching the panel, it transmits the signal to the car control system, causing the control system to issue corresponding control instructions. This is prone to false touches and other misoperations, which can affect driving and pose a safety risk. Summary of the invention

[0004] Purpose of the utility model: In order to overcome the defects of the prior art, the utility model provides a car steering wheel switch with infrared pressure sensing, which can effectively prevent misoperation and is safer and more reliable.

[0005] The technical solution of the utility model is: a car steering wheel switch with infrared pressure sensing, comprising a steering wheel frame, spokes and a PCB assembly, the steering wheel frame is located at the periphery of the spokes and are connected to each other, an operating area is provided on the spokes, a sliding frame and a sensing sheet are provided on the inner side of the spokes, the sensing sheet is located below the operating area, and the sensing sheet is connected to the PCB assembly, the sliding frame is connected to the spokes, a reflecting surface is provided on the sliding frame, the PCB assembly is arranged below the sliding frame, and an infrared sensor is provided on the PCB assembly, and the infrared sensor is arranged opposite to the reflecting surface.

[0006] With the above technical solution, the driver applies a certain amount of pressure to the operating area, the wheel spokes will drive the sliding frame to move, and the pressure sensing is achieved through the change in the distance between the infrared sensor and the reflective surface. The sensor sheet senses the touch position, and the corresponding signal is transmitted to the PCB assembly, thereby realizing the corresponding switch function, which can prevent misoperation and is safer. The switches for wipers, cruise control, turn signals, high beams, rear fog lights, etc. are all set on the steering wheel for easy operation.

[0007] Further configuration of the utility model: the spoke includes a left half and a right half, and the left half and the right half are each provided with a plurality of the operating areas and induction plates, each induction plate is located below the corresponding operating area, and two corresponding sliding frames are provided, respectively located in the left half and the right half of the spoke.

[0008] With the above further arrangement, the driver can operate with both hands, which is convenient.

[0009] The utility model is further configured as follows: a fixing frame is further configured in the spoke, the fixing frame is located between the PCB assembly and the sliding frame, and a first through hole is configured on the fixing frame, and the first through hole is configured corresponding to the infrared sensor.

[0010] By adopting the above further arrangement, the structure is stable, and the infrared sensor and the reflective surface are convenient to cooperate to realize pressure sensing.

[0011] The utility model is further configured as follows: a plurality of operation marks are provided in the operation area, an LED light is provided on the PCB assembly corresponding to each operation mark position, a second through hole is provided on the fixing frame, and the second through hole is provided corresponding to the LED light.

[0012] With the above further configuration, the light of the LED lamp can be transmitted to the operation mark, which is clearer and convenient for operation.

[0013] The utility model is further configured as follows: a roller switch is provided in both the left half area and the right half area of ​​the spoke, and the roller switch is located between two adjacent operating areas in the corresponding half area.

[0014] By further configuring the above, all switches are assembled on the steering wheel for easy operation.

[0015] The utility model is further configured as follows: a connecting groove is provided on the sliding frame, a connecting column is provided on the spoke, the connecting column is inserted into the connecting groove, and a fastener is passed through the connecting column to realize the connection between the spoke and the sliding frame.

[0016] By adopting the above-mentioned further arrangement, the structure is simple and the installation is convenient, so that the structure between the sliding frame and the wheel spokes is stable, and when the driver touches and presses the operation area, the wheel spokes can drive the sliding frame to move downward. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of a specific embodiment of the utility model;

[0018] Figure 2 A top view of a specific embodiment of the utility model;

[0019] Figure 3 for Figure 2 Sectional view in the AA direction;

[0020] Figure 4 for Figure 3 A magnified view of part A;

[0021] Figure 5It is a schematic diagram of the inner side of the spoke of a specific embodiment of the utility model;

[0022] Figure 6 for Figure 5 A magnified view of part B;

[0023] Figure 7 It is a schematic diagram of a PCB assembly according to a specific embodiment of the utility model. DETAILED DESCRIPTION

[0024] The technical scheme in this embodiment will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] It should be noted that in the description of the present invention, all directional indications (such as up, down, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0026] In addition, the descriptions of "first", "second", etc. in the present invention are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. In the description of the present invention, the meaning of "several" is at least two, such as two, three, etc., unless otherwise clearly and specifically limited.

[0027] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that technical personnel in this field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0028] like Figure 1-7As shown, a car steering wheel switch with infrared pressure sensing includes a steering wheel frame 1, a spoke 2 and a PCB assembly 3. The steering wheel frame 1 is located at the periphery of the spoke 2 and connected to each other. An operating area 21 is provided on the spoke 2. A sliding frame 4 and a sensing sheet 5 are provided on the inner side of the spoke 2. The sensing sheet 4 is located below the operating area 21, and the sensing sheet 5 is connected to the PCB assembly 3. The sliding frame 4 is connected to the spoke 2. A reflecting surface 41 is provided on the sliding frame 4. The PCB assembly 3 is arranged below the sliding frame 4, and an infrared sensor 31 is provided on the PCB assembly 3. The infrared sensor 31 is arranged opposite to the reflecting surface 41. The driver applies a certain pressure to the operating area. The wheel spoke 2 will drive the sliding frame 4 to move, and the pressure sensing is realized by the change of the distance between the infrared sensor 31 and the reflecting surface 42. The infrared sensor 31 emits infrared rays to the reflecting surface 41, and the infrared rays are reflected back to the infrared sensor 31 for reception. When the operating area is subjected to pressure, the reflecting surface 41 is slightly displaced. The infrared sensor 31 realizes the sensing of pressure by calculating the deformation of the reflecting surface 41, and has high sensitivity. The sensor sheet 5 senses the touch position, and the corresponding signal is transmitted to the PCB assembly 3, thereby realizing the corresponding switch function, which can prevent misoperation and is safer. The switches for wipers, cruise control, turn signals, high beams, and rear fog lights are all set on the steering wheel for easy operation.

[0029] The wheel spoke 2 includes a left half and a right half, and the left half and the right half are both provided with a plurality of the operating areas 21 and the induction sheet 5, each of which is located below the corresponding operating area, and the sliding frame 4 is provided with two corresponding ones, which are respectively located in the left half and the right half of the wheel spoke 2, and the driver can operate with both hands, which is convenient to operate. The left half and the right half of the wheel spoke 2 are both provided with a roller switch 7, which is located between two adjacent operating areas in the corresponding half, and the roller switch 7 can be used to adjust the volume or the air conditioning temperature, etc., and the switches are all assembled on the steering wheel for easy operation.

[0030] A fixing frame 6 is also provided in the spoke 2. The fixing frame 6 is located between the PCB assembly 3 and the sliding frame 4. A first through hole 61 is provided on the fixing frame 6. The first through hole 61 is provided corresponding to the infrared sensor 31. The structure is stable, which facilitates the cooperation between the infrared sensor 31 and the reflective surface 41 to achieve pressure sensing, so that the infrared rays emitted by the infrared sensor 31 can reach the reflective surface 41 and be reflected to the infrared sensor 31 and received. A plurality of operation marks are provided in the operation area. An LED lamp 32 is provided at a position corresponding to each operation mark on the PCB assembly 3. A second through hole 62 is provided on the fixing frame 65. The second through hole 61 is provided corresponding to the LED lamp 32. The light of the LED lamp 32 is transmitted to the operation mark, which is clearer and convenient to operate.

[0031] The sliding frame 4 is provided with a connecting groove 42, and the spoke 2 is provided with a connecting column 22. The connecting column 22 is inserted into the connecting groove 42, and is penetrated by a fastener 8 to realize the connection between the spoke 2 and the sliding frame 4. The structure is simple and easy to install, so that the structure between the sliding frame and the spoke is stable. When the driver touches and presses the operation area, the spoke can drive the sliding frame to move downward.

Claims

1. A car steering wheel switch with infrared pressure sensing, comprising a steering wheel frame (1), spokes (2) and a PCB assembly (3), wherein the steering wheel frame (1) is located at the periphery of the spokes (2) and are connected to each other, and wherein: An operating area (21) is provided on the spoke (2), a sliding frame (4) and a sensing sheet (5) are provided inside the spoke (2), the sensing sheet (5) is located below the operating area (21), and the sensing sheet (5) is connected to the PCB assembly (3), the sliding frame (4) is connected to the spoke (2), a reflecting surface (41) is provided on the sliding frame (4), the PCB assembly (3) is arranged below the sliding frame (4), and an infrared sensor (31) is provided on the PCB assembly (3), and the infrared sensor (31) and the reflecting surface (41) are arranged opposite to each other.

2. The automobile steering wheel switch with infrared pressure sensing according to claim 1, characterized in that: The wheel spoke comprises a left half and a right half, each of which is provided with a plurality of the operating areas (21) and induction plates (5), each induction plate being located below a corresponding operating area, and two corresponding sliding frames (4) being provided, respectively located in the left half and the right half of the wheel spoke.

3. The automobile steering wheel switch with infrared pressure sensing according to claim 1 or 2, characterized in that: A fixing frame (6) is also provided in the spoke (2), the fixing frame (6) is located between the PCB assembly (3) and the sliding frame (4), and a first through hole (61) is provided on the fixing frame (6), and the first through hole (61) is arranged corresponding to the infrared sensor (31).

4. The automobile steering wheel switch with infrared pressure sensing according to claim 3, characterized in that: A plurality of operation marks are provided in the operation area, an LED light (32) is provided at a position corresponding to each operation mark on the PCB assembly (3), a second through hole (62) is provided on the fixing frame (6), and the second through hole (62) is provided corresponding to the LED light (32).

5. The automobile steering wheel switch with infrared pressure sensing according to claim 2, characterized in that: A roller switch (7) is provided in both the left half and the right half of the spoke (2), and the roller switch is located between two adjacent operating areas in the corresponding half.

6. The automobile steering wheel switch with infrared pressure sensing according to claim 1 or 2, characterized in that: The sliding frame (4) is provided with a connecting groove (42), and the wheel spoke (2) is provided with a connecting column (22). The connecting column (22) is inserted into the connecting groove (42) and is penetrated by a fastener (8) to realize the connection between the wheel spoke (2) and the sliding frame (4).

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