Vehicle passenger detection sensing device

Abstract

The utility model discloses a vehicle passenger detection sensing device, which comprises a capacitance cloth assembly, a sensing device and a controller, wherein the capacitance cloth assembly is arranged in a surface layer, in contact with a passenger, of a vehicle seat; and the connector is connected with the capacitance cloth assembly on one hand, is connected with a vehicle control unit on the other hand, and is used for transmitting the electric signals collected by the capacitance cloth assembly to the vehicle control unit for processing. According to the passenger detection device, the capacitance cloth assembly is arranged on the surface of the vehicle seat, the contact area between a passenger and the vehicle seat is collected through the capacitance cloth assembly, the state of the passenger is judged through the contact area between the passenger and the capacitance cloth assembly, and the passenger detection efficiency and accuracy are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle safety detection equipment, in particular to a vehicle occupant detection sensing device. Background Art

[0002] Current occupant detection systems mostly use pressure sensors, resistance sensors or weight sensors, such as Chinese patent documents CN111071109B, CN107176132B, CN106274577B, CN104029611B, CN202669736U, etc. These technologies can, to a certain extent, achieve a basic judgment on the presence or absence of passengers, but there are certain limitations in accurately identifying the position, posture and activity state of the occupants.

[0003] Therefore, through beneficial exploration and research, the applicant has found a method to solve the above problems, and the technical solution to be introduced below is generated under this background. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is: to provide a vehicle occupant detection sensing device that can efficiently and accurately detect the state of vehicle occupants in view of the deficiencies of the prior art.

[0005] The technical problem to be solved by the utility model can be realized by adopting the following technical solutions:

[0006] A vehicle occupant detection sensing device includes:

[0007] A capacitive cloth assembly disposed in the surface layer of the vehicle seat in contact with the occupant; and

[0008] A connector, which is connected to the capacitive cloth assembly on the one hand and to the vehicle control unit on the other hand, and is used to transmit the electrical signals collected by the capacitive cloth assembly to the vehicle control unit for processing.

[0009] In a preferred embodiment of the utility model, the capacitive cloth assembly includes a plurality of strip-shaped capacitive cloths, and the plurality of strip-shaped capacitive cloths are arranged at intervals along the width direction of the vehicle seat.

[0010] In a preferred embodiment of the utility model, the plurality of strip-shaped capacitive cloths are respectively arranged at the seat cushion position of the vehicle seat.

[0011] Due to the adoption of the above technical solutions, the beneficial effects of the utility model are as follows: by arranging a capacitive cloth assembly on the surface of the vehicle seat, the utility model uses the capacitive cloth assembly to collect the contact area between the occupant and the vehicle seat, and then judges the occupant state through the contact area between the occupant and the capacitive cloth assembly, improving the efficiency and accuracy of occupant detection. Brief Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0013] Figure 1 is a schematic structural diagram of the present invention.

[0014] Figure 2 is a schematic diagram of the principle of the present invention. Detailed Embodiments

[0015] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below with reference to specific illustrations.

[0016] Refer to Figure 1 , what is shown in the figure is a vehicle occupant detection sensing device, including a capacitive cloth assembly 100 and a connector 200.

[0017] The capacitive cloth assembly 100 is disposed in the surface layer 10 where the vehicle seat contacts the occupant. The capacitive cloth assembly 100 includes a plurality of strip-shaped capacitive cloths 110, and the plurality of strip-shaped capacitive cloths 110 are arranged at intervals along the width direction of the vehicle seat. The plurality of strip-shaped capacitive cloths 110 are respectively arranged at the seat cushion position of the vehicle seat to completely cover the surface where the vehicle seat contacts the occupant. Of course, the capacitive cloth assembly 100 can also be implemented by using different capacitive cloths. The capacitive cloth can adopt a single-zone or multi-zone form, and the quantity and shape are not limited either.

[0018] On the one hand, the connector 200 is connected to the capacitive cloth assembly 100, that is, connected to the signal output ends of each strip-shaped capacitive cloth 110 respectively. On the other hand, it is connected to the vehicle control unit 20.

[0019] Refer to Figure 2 and in combination with Figure 1 , when an occupant sits on the vehicle seat and contacts the seat surface, at this time, a plurality of strip-shaped capacitive cloths 110 in the capacitive cloth assembly 100 will be triggered. After these strip-shaped capacitive cloths 110 are triggered, electrical signals will be generated and transmitted to the vehicle control unit 20 through the connector 200. The vehicle control unit 20 analyzes and processes the electrical signals transmitted by the connector 200 and outputs a judgment result, and the judgment result can be used by the vehicle. The vehicle control unit 20 can judge the occupant state according to the contact area between the occupant and the capacitive cloth assembly, such as whether there is someone sitting on the seat, whether the occupant is an adult or a child, the sitting posture or activity state of the occupant, etc.

[0020] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A vehicle occupant detection sensor device, characterized in that: include: A capacitor cloth assembly disposed in the surface layer of a vehicle seat in contact with an occupant; as well as A connector, which is connected to the capacitor cloth assembly on one hand and to the vehicle control unit on the other hand, and is used to transmit the electrical signal collected by the capacitor cloth assembly to the vehicle control unit for processing.

2. The vehicle occupant detection sensor device according to claim 1, characterized in that: The capacitor cloth assembly includes a plurality of strip capacitor cloths, and the plurality of strip capacitor cloths are arranged at intervals along the width direction of the vehicle seat.

3. The vehicle occupant detection sensor device according to claim 2, characterized in that: The plurality of strip-shaped capacitor cloths are respectively arranged at the seat cushion positions of the vehicle seat.

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