New energy automobile simulation test system

Abstract

The invention relates to a new energy automobile simulation test system comprises a pressure supply module, a medium circulation module and a temperature adjustment module, wherein the pressure supplymodule includes a pressure control valve and adjusts the input pressure intensity through the pressure control valve; the medium circulation module includes a main capacity box, a liquid storage tank, a main path flow control module and a plurality of branch path flow control modules, the main capacity box is connected to the pressure control valve and is connected to the liquid storage tank, themain path flow control module is connected to the liquid storage tank, two ends of the branch path flow control module are respectively connected to the main path flow control module and the liquid storage tank, the branch path flow control modules automatically adjust the flow of branch paths respectively, and the main path flow control module adjusts the main path flow according to the feedbackof the branch path flow control modules; and the temperature adjustment module is connected with the main path flow control module and adjusts the temperature of a test medium in the main path flow control module.

Description

technical field [0001] The invention relates to the field of vehicle diagnostic testing, in particular to a new energy vehicle simulation testing system. Background technique [0002] At present, due to the environmental pollution problems caused by traditional energy vehicles, new energy vehicles are widely advocated. However, there is currently no complete detection system in China to simulate the actual use of new energy vehicle components (such as individual components such as radiators, water pumps, and heat sources) and assembly cooling systems (such as battery systems, control assemblies, and motor systems) Performance, it is impossible to obtain effective actual simulated use data before putting it into use, and it is impossible to analyze and evaluate the overall performance and control strategy, which greatly improves the performance of potential safety hazards in use. [0003] In the process of testing the general circulation equipment on the market, the pressure...

AI Technical Summary

Problems solved by technology

However, there is currently no complete detection system in China to simulate the actual use of new energy vehicle components (such as individual components such as radiators, water pumps, and heat sources) and assembly cooling systems (such as battery systems, control assemblies, and motor systems) performance, it is impossible to obtain effective actual simulated use data before putting into use, and it is impossible to analyze and evaluate the overall performance and control strategy, which greatly improves the performance of potential safety hazards in use

[0003] In the process of testing the general circulation equipment on the market, the pressure control of the circulation equipment on the market adopts the pump pressure control, and the flow control adopts the principle of pump frequency conversion flow control. Because the change of the pump pressure output will also lead to the change of the pump output flow, and During the test process, the two variables need to maintain the required set values ​​at the same time. In the case of meeting the pressure accuracy and flow accuracy, the control cannot effectively balance the output of high-precision stable pressure values ​​and stable flow values.

In addition, in the process of flow control, there is also a large difference between the flow detected by the main path and the flow detected by the branch path

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