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Electronic vacuum pressure controller

A vacuum pressure and controller technology, applied in the direction of brakes, brake safety systems, brake transmission devices, etc., can solve the problems of insufficient vacuum, easy to burn out, not working, etc., to prevent the impact of excessive voltage or current , prolong the service life and ensure the effect of driving safety

Pending Publication Date: 2018-04-20
WENZHOU OCLOUD TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there are two types of pressure controller products on the market: 1. Mechanical pressure controller, the control accuracy is not high, and drift often occurs, which affects the action point of the vacuum pump, resulting in insufficient or excessive vacuum.
2. The electronic controller often has insufficient load capacity, and it is easy to burn out, be damaged or not work after being disturbed by external impacts. During the ignition and operation of the car, it is easy to generate load dump voltage, or even double throw or multiple Throwing and other situations make the electronic controller invalid

Method used

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  • Electronic vacuum pressure controller

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Embodiment Construction

[0012] Combine below figure 1 The technical solution of the present invention is further described.

[0013] An electronic vacuum pressure controller, including a control module, the control module includes a signal processing circuit, the control module is connected with an output module, a DC / DC voltage conversion module and a pressure acquisition circuit module, and the DC / DC voltage conversion module includes an anti-throw Load protection circuit module.

[0014] The pressure acquisition circuit module includes an anti-dump load protection circuit module. When the pressure acquisition circuit module is connected to the vacuum pump, it will also receive the impact of the vehicle voltage. By adding an anti-load dump protection circuit module, it can effectively prevent the impact of excessive voltage or current, and at the same time filter out external interference, thereby protecting the device and prolonging the life of the device. Long service life, ensure driving safet...

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Abstract

An electronic vacuum pressure controller comprises a control module, wherein the control module comprises a signal processing circuit, and is connected with an outputting module, a DC / DC voltage conversion module and a pressure acquiring circuit module; and the DC / DC voltage conversion module comprises a throw load protecting circuit module. By the device, the circumstance of throw load of a circuit can be resisted effectively, and the electronic vacuum pressure controller runs stably, and is long in service life.

Description

technical field [0001] The invention relates to the field of controllers, in particular to an electronic vacuum pressure controller. Background technique [0002] The vast majority of cars use a vacuum booster braking system. The vacuum source of the vacuum booster device in the traditional internal combustion engine vehicle braking system comes from the engine intake manifold, while pure electric vehicles or electric vehicles with pure electric working conditions have no engine For the vacuum power source of the air manifold, the braking force generated by manpower alone cannot meet the needs of vehicle braking. Therefore, it is necessary to have an electric vacuum booster to assist manpower in vehicle braking. The vacuum pressure controller controls the start and stop of the brake vacuum pump by sensing the pressure change inside the booster gas tank to achieve the purpose of vacuum boosting. [0003] At present, there are two types of pressure controller products on the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/72B60T17/22
CPCB60T13/72B60T17/22
Inventor 徐登奎
Owner WENZHOU OCLOUD TECH CO LTD