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A coolant temperature control system

A temperature control system and coolant technology, which is applied in the control of coolant flow, engine cooling, machine/engine, etc., can solve the problems that the control accuracy cannot be guaranteed, and the coolant temperature control system is difficult to be compatible with the engine, etc. Heat range, broaden the heat transfer range, and ensure the effect of temperature control accuracy

Active Publication Date: 2022-05-03
GUANGZHOU AUTOMOBILE GROUP CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the coolant temperature control system used in the engine test is difficult to be compatible with engines with different heat transfer requirements, resulting in the disadvantage that the control accuracy cannot be guaranteed, and to provide a coolant temperature control system

Method used

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  • A coolant temperature control system
  • A coolant temperature control system
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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] see Figure 1-Figure 2 , is a coolant temperature control system 100 provided by the present invention, which is used in the test experiment of the engine 10. The coolant temperature control system 100 can meet the requirements of the engine test and is a system for controlling the temperature of the coolant at the outlet of the engine 10. Specifically, such as figure 1 As shown, the engine 10 used for testing is provided with a liquid outlet pipe 11 and a liquid inlet pipe 12 for the coolant to enter and exit, and there is a coolant inside the engine 10, and the coolant can be water or oth...

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Abstract

The invention relates to the technical field of engine performance testing. The invention provides a coolant temperature control system for use in engine testing experiments. The engine is provided with a liquid outlet pipe and a liquid inlet pipe, including a pipeline pump, an expansion tank, and a proportional valve. And the coolant circulation system, the coolant circulation system includes a first coolant circulation system and a second coolant circulation system arranged in parallel, the first coolant circulation system is the first coolant pipeline, and the second coolant circulation system includes the first coolant circulation system A pipeline, a second pipeline, at least two heat exchangers and an external cooling water circulation system connected in series to the two heat exchangers. The coolant temperature control system provided by the present invention is provided with two coolant circulation systems arranged in parallel, and at least two heat exchangers are also connected in parallel in the second coolant circulation system, thus widening the entire coolant circulation system The heat exchange range can be controlled by adjusting the proportional valve to control the utilization rate of the heat exchanger to ensure the temperature control accuracy.

Description

technical field [0001] The invention relates to the technical field of engine performance testing, in particular to a coolant temperature control system. Background technique [0002] During the engine test process, it is often necessary to simulate the condition of the whole vehicle and various complex test conditions for test control. In the engine test, the control accuracy of the engine circulating water is directly related to whether the engine can be tested and operated normally. Therefore, during the engine test process, there are clear requirements for the temperature control of the coolant. The engine test needs to test engines with different displacements and powers, so the heat transfer requirements for coolants also vary greatly. However, the existing coolant temperature control system equipment has a good temperature control effect within a certain range of heat transfer, but cannot control accurate precision beyond the range of heat transfer. [0003] Existi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01P7/16
CPCF01P7/165F01P2007/146
Inventor 翟绍春于士博李云虹黎观生李嘉仕郭训鹏
Owner GUANGZHOU AUTOMOBILE GROUP CO LTD
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