Control method and device for blast pump system of electric motor car
A control device and control method technology, applied in the direction of transportation and packaging, vehicle components, circuits or fluid pipelines, etc., can solve the problems of increasing vehicle energy consumption, and achieve the effect of shortening the time of cold start
Inactive Publication Date: 2013-04-03
DONGFENG XIANGYANG TOURING CAR
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Problems solved by technology
[0005] To sum up, the existing air pump system only enters the normal working state after the oil temperature reaches a higher state. In this way, when the ambient temperature is low, the vehicle air pump needs to wait for a long time after starting. In addition, When the vehicle is running, the air pump system maintains a high oil temperature for a long time, which increases the energy consumption of the vehicle
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[0028] Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements. As mentioned above, the present invention provides a method and device for controlling the air pump system of an electric vehicle that can effectively shorten the cold start time of the electric vehicle.
[0029] The technical solutions of the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. Such as figure 2 As shown, the control method of the electric vehicle air pump system in this embodiment includes the following steps:
[0030] Step 201: Detect the pressure in the gas storage tank of the electric vehicle, if the pressure in the gas storage tank of the electric vehicle is less than the preset pressure value, go to step 202; if the pressure in the gas storage tank of the electric vehicle reaches the preset pressure value, then Go to step 203.
[003...
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The invention discloses a control method for a blast pump system of an electric motor car, which comprises the steps as follows: the pressure inside an air storage tank of the electric motor car is detected; if the pressure inside the air storage tank of the electric motor car is smaller than a preset pressure, then a motor is started and an unloading valve is cut off so as to lead the blast pumpto output compressed air to the air storage tank of the electric motor car; if the pressure inside the air storage tank of the electric motor car reaches the preset pressure, then the unloading valveis turned on so as to lead the blast pump to run idly to increase the temperature of lubricating oil; then the temperature of the lubricating oil is detected; and if the temperature of lubricating oil reaches a preset value, then the unloading valve is cut off and the motor is decided to start or stop according to the pressure inside the air storage tank of the electric motor car. The invention also comprises a control device for the blast pump system of the electric motor car for realizing the method. The control method and device for the blast pump system of the electric motor car can effectively shorten the cold start time of the electric motor car, and reduce the energy resource consumption for unloading and temperature rising of the blast pump system of the electric motor car.
Description
technical field [0001] The invention relates to the technical field of electric vehicles, in particular to a method and device for controlling an air pump system of an electric vehicle. Background technique [0002] The brake system, air suspension system, automatic door opening and closing device of the car may all use compressed air as power. Most existing electric vehicles use air pumps based on the principle of screw compression. In this type of air pump, the lubricating oil and compressed air are in the same cavity. If the temperature of the lubricating oil is low, the moisture in the air will continue to mix into the lubricating oil In the oil, the lubricating oil is emulsified and loses its lubricating effect. Therefore, measures must be taken to increase the oil temperature to remove water or maintain a high oil temperature to prevent water from entering the lubricating oil. [0003] figure 1 A logic schematic diagram of an existing electric vehicle air pump syste...
Claims
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IPC IPC(8): B60R16/08B60R16/02
Inventor 王运国王鸿陈欢
Owner DONGFENG XIANGYANG TOURING CAR