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Method and device for obtaining cooling performance information of cooling system and electric vehicle

A cooling system and cooling performance technology, which is applied in the layout of the cooling combination of the power unit, the signal device, the power unit, etc., can solve the problem of not being able to detect the cooling performance information of the cooling system, and achieve good promotion value and protect the driving experience. Effect

Active Publication Date: 2019-06-18
BEIJING ELECTRIC VEHICLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a cooling system cooling performance information acquisition method, device and electric vehicle to solve the problem that the existing cooling system failure detection mechanism in electric vehicles can only detect hardware failures, but cannot detect cooling system failures. Questions about cooling performance information

Method used

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  • Method and device for obtaining cooling performance information of cooling system and electric vehicle
  • Method and device for obtaining cooling performance information of cooling system and electric vehicle
  • Method and device for obtaining cooling performance information of cooling system and electric vehicle

Examples

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no. 1 example

[0058] like figure 1 As shown, an embodiment of the present invention provides a method for obtaining cooling performance information of a cooling system, which is applied to an electric vehicle, and the obtaining method includes:

[0059] Step 101: Obtain fault detection information of the cooling system of the electric vehicle.

[0060] The method for obtaining cooling performance information in the embodiment of the present invention has applications such as figure 2 The cooling system architecture shown in the pure electric vehicle. figure 2 The thick black line in the middle indicates the cooling pipeline. In this cooling system, the coolant is stored in the water tank and circulated through the water pump in the drive motor, motor controller and radiator. The fan is arranged on the radiator. Turn on the fan to speed up the heat dissipation of the radiator, reduce the temperature of the coolant, and finally achieve the purpose of cooling the drive system (motor and mo...

no. 2 example

[0075] like Figure 4 As shown, the embodiment of the present invention also provides a method for obtaining cooling performance information of the cooling system, which is applied to electric vehicles, including:

[0076] Step 401: Obtain fault detection information of the cooling system of the electric vehicle.

[0077] This step is the same as step 101 in the first embodiment, and will not be repeated here.

[0078] Step 402: If the fault detection information indicates that there is no hardware fault in the cooling system, obtain the health index of the cooling system according to the temperature information of the driving system of the electric vehicle, and the health index is used to represent the Cooling performance of the cooling system.

[0079] This step is the same as step 102 in the first embodiment, and will not be repeated here.

[0080] Step 403: According to the relationship between the health index and a preset threshold, determine the failure criticality l...

no. 3 example

[0095] like Figure 5 As shown, the embodiment of the present invention also provides a device for obtaining cooling performance information of the cooling system, which is applied to electric vehicles, including:

[0096] The first acquisition module 501 is configured to acquire fault detection information of the cooling system of the electric vehicle;

[0097] The second acquiring module 502 is configured to obtain the health index of the cooling system according to the temperature information of the driving system of the electric vehicle if the fault detection information indicates that there is no hardware fault in the cooling system, the health index Used to indicate the cooling performance of the cooling system.

[0098] The device for obtaining cooling performance information of the cooling system according to the embodiment of the present invention further includes:

[0099] The first determination module 503 is configured to determine the critical level of failure o...

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Abstract

The invention provides a method and device for obtaining cooling performance information of a cooling system and an electric vehicle in order to solve the problem that a cooling system fault detection mechanism in an existing electric vehicle can only detect hardware faults and cannot detect cooling performance information of a cooling system. The method includes the steps that fault detection information of the cooling system of the electric vehicle is obtained; if the fault detection information represents that the cooling system has no hardware faults, a health index of the cooling system is obtained according to temperature information of a driving system of the electric vehicle, wherein the health index is used for representing the cooling performance of the cooling system. By obtaining the cooling performance of the cooling system, some faults or non-faults which influence work efficiency of the cooling system and cannot be detected by a hardware fault mechanism can be detected, the aim of conducting fault detection on the cooling system more comprehensively is achieved, and the method and device have a positive significance in protecting the driving feeling of a driver.

Description

technical field [0001] The invention relates to the technical field of electric vehicles, in particular to a method and device for acquiring cooling performance information of a cooling system and an electric vehicle. Background technique [0002] In the face of increasingly severe energy and environmental problems, the increasing demand for oil resources and the environmental pollution caused by traditional fuel vehicles have increasingly attracted people's attention. At the same time, energy-saving and new energy vehicles are becoming research hotspots in various countries. As one of my country's strategic emerging industries, energy-saving and new energy vehicles have been highly valued by the industry. The development of new energy vehicles, especially pure electric vehicles with zero pollution and zero emissions, is not only of great importance to my country's energy security and environmental protection. It is also an important direction for my country's automobile fiel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K11/02B60K11/06B60Q9/00
CPCB60K11/02B60K11/06B60Q9/00
Inventor 李玮代康伟梁海强王亚楠
Owner BEIJING ELECTRIC VEHICLE
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