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Pressure sensor

A pressure sensor, press-fit technology, used in fluid pressure measurement using piezoelectric devices, brake safety systems, circuits or fluid lines, etc.

Inactive Publication Date: 2009-07-01
HL MANDO CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] The present invention serves to solve the aforementioned problems of the prior art

Method used

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Embodiment Construction

[0028] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0029] figure 2 is a block diagram of an anti-lock braking system showing a pressure sensor according to a first embodiment of the present invention.

[0030] according to figure 2 As shown, a pressure sensor 80 according to the invention is fitted to the hydraulic unit 60 of the anti-lock braking system 50 . The anti-lock braking system 50 includes: a hydraulic unit 60 having a plurality of solenoid valves, a low pressure accumulator, a high pressure accumulator to adjust brake oil pressure to be delivered to the wheel brakes; and an electronic control unit (ECU) 70 to control electronically operated components.

[0031] The solenoid valve of the hydraulic unit 60 can adjust the brake oil pressure of the wheel brakes mounted on the wheels. Wheel brakes directly generate braking force through friction between the oil pressure of th...

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Abstract

The invention relates to a pressure sensor applied to a vehicle stability control device, which is aimed at providing a pressure sensor characterized by stable connection with the circuit board of an electronic control unit, non-welding simple connection structure and stably installation, thereby preventing the interrupt of signal transmission or electronic connection caused by vibration, and the like. The pressure sensor is further aimed at providing a pressure sensor having the advantages of allowing the pressure sensor to be stably connected to the circuit board by means of the improved internal structure, preventing connection error, easily assembling and absorbing transverse vibration. Based on one of the goals of the invention, a pressure sensor is provided, which is installed in a hydraulic unit and is contacted with the circuit board of the electronic control unit to sense brake oil pressure. The pressure sensor comprises a contact terminal with a press fit terminal formed on the circuit board of an electronic control plate, a press fit part capable of glidingly and movably contacting with the press fit terminal, and a spring connecting the press fit part and the press fit terminal.

Description

technical field [0001] The present invention relates to a pressure sensor used in a vehicle stability control device, and in particular, to a pressure sensor capable of stably contacting an electronic control unit when excessive vibration is generated. Background technique [0002] Typically, vehicles are provided with a braking system that slows down or brakes. The brake system includes a pedal that transmits the driver's operating force, a master cylinder and a pressure regulator that are connected to the pedal to generate brake oil pressure, and a brake system that brakes the wheels of the vehicle according to the brake oil pressure input from the master cylinder and pressure regulator. wheel brakes. [0003] In the braking system, when the driver steps on the brake pedal to generate braking force, if the braking force is greater than the friction force of the road surface or the friction force generated by the braking force on the wheel brake is greater than the braking...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L9/08B60T17/22
CPCB60R16/02B60Y2400/306
Inventor 金彩洙
Owner HL MANDO CORP
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