Automobile seat passenger sensor

Abstract

The utility model discloses an automobile seat passenger sensor, which comprises a sensing component, a connecting lead and a connector, two ends of the connecting lead are respectively connected with the sensing component and the connector, the sensing component comprises a first circuit board and a second circuit board, and the same spacing component is adhered between the first circuit board and the second circuit board. One side of the first circuit board and one side of the second circuit board are each provided with a plurality of detection contacts, the sensing assembly is of an h-shaped structure, the spacing assembly comprises a spacing board, and the two sides of the spacing board are each provided with an insulation pad. According to the utility model, through the design that the first circuit board and the second circuit board are both provided with the detection contacts, the sensitivity of sensing detection of the sensor is guaranteed, the sensing assembly of the h-shaped structure increases the area of the sensor, and meanwhile, the sensing detection range of the sensor is enlarged, so that the detection sensing precision of the sensor is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile seat occupant sensors, in particular to an automobile seat occupant sensor. Background Art

[0002] Currently, car seat occupant sensors are part of modern car safety configurations, used to detect whether passengers are wearing seat belts correctly and remind passengers to fasten their seat belts when necessary, thus ensuring traffic safety while achieving better user experience and performance.

[0003] However, during the use of existing automobile seat occupant sensors, the sensor has a small sensing range and can only detect occupants from one side, resulting in poor sensor sensing accuracy. Therefore, in order to advance the industry's technological progress, better ensure the sensor's detection sensing accuracy, and improve the competitiveness of core technologies, this application proposes a new implementation scheme that is different from the automobile seat occupant sensor structure in the prior art. Utility Model Content

[0004] The utility model aims to solve the problem of poor detection and sensing accuracy of the existing automobile seat occupant sensor, and proposes an automobile seat occupant sensor.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A car seat occupant sensor comprises a sensor component, a connecting wire and a connector, wherein two ends of the connecting wire are respectively connected to the sensor component and the connector, the sensor component comprises a first circuit board and a second circuit board, and a same spacing component is bonded between the first circuit board and the second circuit board, a plurality of detection contacts are respectively arranged on one side of the first circuit board and the second circuit board, and the sensor component is an H-shaped structure.

[0007] Furthermore, the spacing assembly includes a spacing plate, and insulating pads are respectively provided on both sides of the spacing plate.

[0008] Furthermore, the two insulating pads are respectively bonded to the corresponding first circuit board and second circuit board.

[0009] Furthermore, a plurality of heat dissipation grooves are respectively provided on both sides of the spacer assembly.

[0010] Furthermore, a protective film is provided on one side of the first circuit board and the second circuit board respectively.

[0011] Furthermore, the protective film is a PET film.

[0012] The beneficial effects of the utility model are:

[0013] 1. The design that detection contacts are provided on both the first circuit board and the second circuit board ensures the sensitivity of the sensor's inductive detection, and the H-shaped sensor component increases the area of ​​the sensor and, at the same time, expands the sensor's inductive detection range, thereby ensuring the sensor's detection inductive accuracy.

[0014] 2. Through the design of the spacer component, the first circuit board and the second circuit board can be separated and isolated, so that the first circuit board and the second circuit board can be used independently, and the design of the heat dissipation groove on the spacer component can ensure the heat dissipation of the first circuit board and the second circuit board during operation, thereby ensuring the safe use of the sensor.

[0015] 3. Through the design of the protective film, the first circuit board and the second circuit board and the detection contacts thereon can be protected to prevent water from entering the sensor and also to prevent scratches on the surface of the sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural schematic diagram of a car seat occupant sensor proposed by the utility model;

[0017] Figure 2 This is a schematic diagram of the exploded structure of a sensor component of a car seat occupant sensor proposed by the utility model;

[0018] Figure 3 The utility model is a schematic diagram of a partial side view of the structure of a sensor component of a vehicle seat occupant sensor.

[0019] In the figure: 1. sensor component; 101. first circuit board; 1011. detection contact; 102. second circuit board; 103. spacer component; 1031. spacer plate; 1032. insulating pad; 104. heat sink; 105. protective film; 2. connecting wires; 3. connector. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-Figure 3A car seat occupant sensor includes a sensor component 1, a connecting wire 2 and a connector 3, wherein both ends of the connecting wire 2 are connected to the sensor component 1 and the connector 3 respectively, the connecting wire 2 is used for transmitting power and signals between the sensor component 1 and the connector 3, and the connector 3 is used for connecting the sensor to the car power system and control system, the sensor component 1 includes a first circuit board 101 and a second circuit board 102, and the design of detecting contacts 1011 on the first circuit board 101 and the second circuit board 102 ensures the sensitivity of the sensor inductive detection, and a plurality of detecting contacts 1011 are respectively provided on one side of the first circuit board 101 and the second circuit board 102, the sensor component 1 is an H-shaped structure, and the sensor component 1 with the H-shaped structure increases the area of ​​the sensor and expands the sensing detection range of the sensor, thereby ensuring the detection sensing accuracy of the sensor.

[0022] The same spacing component 103 is bonded between the first circuit board 101 and the second circuit board 102. The spacing component 103 includes a spacing plate 1031, and insulating pads 1032 are respectively bonded on both sides of the spacing plate 1031. Through the design of the spacing component 103, the first circuit board 101 and the second circuit board 102 can be separated and isolated, so that the first circuit board 101 and the second circuit board 102 can be used independently. The two insulating pads 1032 are respectively bonded to the corresponding first circuit board 101 and the second circuit board 102. The insulating pads 1032 can avoid collision between the first circuit board 101 and the second circuit board 102 and the spacing plate 1031. A plurality of heat dissipation grooves 104 are respectively provided on both sides of the spacing component 103. The design of the heat dissipation grooves 104 can ensure the heat dissipation of the first circuit board 101 and the second circuit board 102 during operation, thereby ensuring the safe use of the sensor.

[0023] Among them, a protective film 105 is respectively adhered to one side of the first circuit board 101 and the second circuit board 102. Through the design of the protective film 105, the first circuit board 101 and the second circuit board 102 and the detection contacts 1011 thereon can be protected to prevent water from entering the sensor. At the same time, the sensor surface is also prevented from being scratched. The protective film 105 is a PET film, and the PET film has excellent properties such as good chemical resistance, high transparency, high mechanical strength, good thermal stability, high moisture and gas resistance, and good weather resistance, and can provide better and more comprehensive protection for the sensor.

[0024] The working principle of this embodiment is as follows: when in use, the operator can connect the connector 3 in the sensor to the power system and control system in the car, and then install the sensor in the car seat, thus completing the installation of the sensor; and during the use of the sensor, the design that the detection contacts 1011 are provided on the first circuit board 101 and the second circuit board 102 ensures the sensitivity of the sensor's inductive detection, and the sensor component 1 with an H-shaped structure increases the area of ​​the sensor component 1, and at the same time, expands the inductive detection range of the sensor, thereby ensuring the inductive detection accuracy of the sensor when in use; and during the use of the sensor, the spacing component 103 can separate the first circuit board 101 and the second circuit board 102, so that the first circuit board 101 and the second circuit board 102 can be used independently, and the design of the heat dissipation groove 104 can dissipate heat when the first circuit board 101 and the second circuit board 102 are in operation, thereby ensuring the service life of the sensor, and at the same time, the protective film 105 can protect the sensor to avoid water ingress or scratches, thus completing the application of the sensor in the car seat.

[0025] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A car seat occupant sensor, comprising a sensor assembly (1), a connecting wire (2) and a connector (3), wherein two ends of the connecting wire (2) are respectively connected to the sensor assembly (1) and the connector (3), and characterized in that: The sensor component (1) comprises a first circuit board (101) and a second circuit board (102), wherein a same spacing component (103) is bonded between the first circuit board (101) and the second circuit board (102), and a plurality of detection contacts (1011) are respectively arranged on one side of the first circuit board (101) and the second circuit board (102), and the sensor component (1) is an H-shaped structure.

2. The vehicle seat occupant sensor according to claim 1, characterized in that: The spacing component (103) comprises a spacing plate (1031), and insulating pads (1032) are respectively arranged on both sides of the spacing plate (1031).

3. The vehicle seat occupant sensor according to claim 2, characterized in that: The two insulating pads (1032) are respectively bonded to the corresponding first circuit board (101) and second circuit board (102).

4. The vehicle seat occupant sensor according to claim 3, characterized in that: A plurality of heat dissipation slots (104) are respectively provided on both sides of the spacing component (103).

5. The vehicle seat occupant sensor according to claim 1, characterized in that: A protective film (105) is provided on one side of the first circuit board (101) and the second circuit board (102), respectively.

6. The vehicle seat occupant sensor according to claim 5, characterized in that: The protective film (105) is a PET film.

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