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Classification sensor for automobile seat cushion

A technology of car cushions and sensors, which is applied in the direction of instruments, vehicle parts, vehicle safety arrangements, etc., can solve problems such as inability to classify and protect occupants, and achieve the effects of avoiding hidden dangers of accidents, improving compression resistance, and reducing production costs

Inactive Publication Date: 2013-05-08
BRILLIANCE AUTO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Can not classify the occupants for effective protection

Method used

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  • Classification sensor for automobile seat cushion
  • Classification sensor for automobile seat cushion
  • Classification sensor for automobile seat cushion

Examples

Experimental program
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Effect test

Embodiment Construction

[0024] The load on the car seat acts on each sensing unit on the pressure sensor, and the different pressures are converted into corresponding resistance values; In the sensor, the resistance values ​​of all sensing units of the sensor are sequentially detected, and the resistance value information is classified into the following categories through the implanted algorithm program: whether the seat is loaded; Weight and position are classified; no judgment can be made with a load. The above three categories of detailed information are used as the output results of the core board and transmitted to the vehicle airbag electronic control center. According to these information, the airbag decides whether to open, or when it needs to be opened, it controls the degree of airbag deployment: for example, when the occupant When sitting in the front of the seat, the airbag deployment (and therefore deployment) is smaller so that it reaches the occupant's chest and face just at the momen...

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Abstract

The invention discloses a classification sensor for an automobile seat cushion. The classification sensor comprises a plastic sealing block connected with the tail end of a sensor. Technical key points are that: the pressure sensor comprises opposite plastic thin film layers; aluminum foil layer conductive circuits and carbon paste layer conductive circuits are sequentially printed on the plastic thin film layers; the plastic thin film layers with the printed circuits are adhered through an interlayer to form a composite structure in which a plurality of sensing units capable of repeatedly measuring a load on the automobile seat cushion are arranged; and a machine core board for classifying and processing a resistance value signal of each sensing unit is arranged in the plastic sealing block, and is connected with an entire safety airbag electric control center. The classification sensor has the advantages that the expansion degree of a safety airbag is controlled when an accident happens, so that the safety of passengers in an automobile is effectively ensured; silver paste circuits are replaced by the aluminum foil layer conductive circuits, so that the compressive resistance of the sensor is improved; silver paste is replaced by an aluminum foil layer, so that production cost is greatly lowered; and an aluminum corrosion process is adopted instead, so that the production cost is lowered.

Description

technical field [0001] The invention relates to a pressure sensing device for the safety protection of vehicle occupants in the aspect of vehicle passive safety. It is used to judge and identify the status of occupants or objects on the car seat, and classify and judge occupants of different weights and positions, so that when the car collides, it can more effectively control the deployment of the airbag, and more effectively realize the safety of the occupants of the car. Protect. Background technique [0002] At present, with the further improvement of vehicle safety regulations, CNCAP also has clear evaluation criteria for new vehicle occupant protection measures. The invention can more effectively improve the use effect of the safety airbag and improve the safety performance level of the vehicle by providing detailed information on the occupants of the vehicle. The national road safety regulations of the United States put forward clear regulatory requirements for this,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R21/015G01L1/20
Inventor 王贺杜宝臣
Owner BRILLIANCE AUTO
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