Vacuum pump control system and vehicle for vehicle
A control system and vacuum pump technology, applied in the field of vehicles, can solve problems such as brake failure, personal safety of critical vehicles, and inability to effectively control the vacuum pump, so as to achieve high safety and avoid brake failure.
Active Publication Date: 2019-11-22
BEIJING ELECTRIC VEHICLE
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Problems solved by technology
[0003] However, when the control chip fails, it will not be able to effectively control the vacuum pump, resulting in brake failure, endangering vehicle and personal safety
Method used
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[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0026] A vacuum pump control system for a vehicle according to an embodiment of the present invention and a vehicle having the vacuum pump control system will be described below with reference to the accompanying drawings.
[0027] figure 1 is a schematic block diagram of a vacuum pump control system for a vehicle according to an embodiment of the present invention.
[0028] Such as figure 1 As shown, the vacuum pump control system for vehicles according to the embodiment of the present invention includes a main control unit 10...
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The invention discloses a vacuum pump control system of a vehicle and the vehicle. The control system comprises a main control unit, a driving unit, a failure detecting unit, and an auxiliary controlunit, wherein a control end of the main control unit is connected with an input end of the driving unit; an output end of the driving unit is connected with a vacuum pump; an input end of the failuredetecting unit is connected with the main control unit for detecting if the main control unit is failed and outputting failure signals when the main control unit is failed; and the auxiliary control unit is connected with a pedal signal end of the vehicle, an output end of the failure detecting unit and an input end of the driving unit, and is used for controlling the driving unit to drive opening / closing of the vacuum pump according to pedal signals of the pedal signal end when the failure signals are received. The control system can effectively control the vacuum pump when the main control unit is failed, so that the brake failure condition caused by incapability of controlling the vacuum pump in failure of the main control unit is effectively prevented, and the safety is higher.
Description
technical field [0001] The invention relates to the technical field of vehicles, in particular to a vacuum pump control system for a vehicle and a vehicle. Background technique [0002] Existing electric vehicles generally realize the control of the vehicle vacuum pump by collecting vacuum pressure. For example, the control chip (MCU) collects the vacuum pressure of the vacuum pump in real time, and when the vacuum pressure is lower than the minimum vacuum degree, the control chip outputs a control signal to start the vacuum pump. [0003] However, when the control chip fails, it will not be able to effectively control the vacuum pump, resulting in brake failure, endangering vehicle and personal safety. Contents of the invention [0004] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. For this reason, the first purpose of the present invention is to propose a vacuum pump control system for vehicles, which...
Claims
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IPC IPC(8): F04B49/06B60T17/02
CPCB60T17/02F04B49/065
Inventor 贾春冬周罕华李奇李融
Owner BEIJING ELECTRIC VEHICLE