Electronic vacuum pump control method and device

The technology of an electronic vacuum pump and control method is applied in the direction of braking transmission, brake, transportation and packaging, etc. It can solve the problems of long working hours, high frequency of use of electronic vacuum pumps, shortening the service life of electronic vacuum pumps, etc., so as to prolong the service life, The effect of reducing frequency of use and working hours

Active Publication Date: 2016-08-31
CH AUTO TECH CORP CO LTD
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Problems solved by technology

[0005] Since this method has the same requirements for controlling the startup and shutdown of the electronic vacuum pump under various working condition

Method used

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  • Electronic vacuum pump control method and device
  • Electronic vacuum pump control method and device

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Embodiment Construction

[0064]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0065] In order to solve the problems in the prior art, an embodiment of the present invention provides an electronic vacuum pump control method and device.

[0066] In the following, a method for controlling an electronic vacuum pump provided by an embodiment of the present invention will be firstly introduced.

[0067] Such as figure 1 As shown, an electronic vacuum pump control method provided by an embodiment of the present invention is applied to a pure e...

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Abstract

The embodiment of the invention provides an electronic vacuum pump control method and device. The method includes the steps that the vehicle speed, the vacuum degree in a vacuum pipeline and the barometric pressure of the external environment are detected in real time; the vehicle speed grade of the current vehicle speed is confirmed; a first vacuum degree corresponding to the current vehicle speed grade is confirmed according to the detected barometric pressure of the external environment; whether the current vacuum degree in the vacuum pipeline reaches the first vacuum degree or not is judged; if the current vacuum degree in the vacuum pipeline does not reach the first vacuum degree, an electronic vacuum pump is controlled to be kept in a started state; and if the current vacuum degree in the vacuum pipeline reaches the first vacuum degree, the electronic vacuum pump is controlled to be kept in a closed state. By the adoption of the method and device, the first vacuum degree corresponding to the current vehicle speed grade is confirmed according to the detected barometric pressure of the external environment, the electronic vacuum pump is controlled by detecting whether the current vacuum degree in the vacuum pipeline reaches the first vacuum degree or not in real time, the starting and stopping requirements of the electronic vacuum pump are different under different vehicle speed grades, the use frequency of the electronic vacuum pump is reduced, the working time of the electronic vacuum pump is shortened, and the service life of the electronic vacuum pump is prolonged.

Description

technical field [0001] The invention relates to the technical field of electric vehicle control, in particular to an electronic vacuum pump control method and device. Background technique [0002] At present, since pure electric vehicles use rechargeable batteries as power sources, they are non-polluting to the environment and have the advantages of simple structure. Therefore, more and more pure electric vehicles appear on the market. [0003] The pure electric vehicle is driven by a motor, and an electronic vacuum pump is used to provide vacuum boost for the vehicle brake master cylinder. [0004] In the prior art, pure electric vehicles control the electronic vacuum pump by judging whether the vacuum degree in the vacuum pipeline reaches the preset threshold value. Leave it on. [0005] Since this method has the same requirements for controlling the startup and shutdown of the electronic vacuum pump under various working conditions, the electronic vacuum pump is used mo...

Claims

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Application Information

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IPC IPC(8): B60T13/72B60T13/52B60T17/22
CPCB60T13/52B60T13/72B60T17/22B60T2270/40
Inventor 陆群吴旭龙
Owner CH AUTO TECH CORP CO LTD
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