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Engine water-flow testing measuring device

A technology for measuring devices and water flow tests, which can be used in measuring devices, engine tests, fluid dynamics tests, etc., can solve problems such as long test periods, high test costs, and harsh test conditions, and achieve the effect of reducing development risks

Pending Publication Date: 2017-12-15
CHINA FIRST AUTOMOBILE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] To sum up, the existing measurement methods mainly have six problems: harsh test conditions, long test period, high test cost, inability to measure real vehicle flow, limited space for bench test simulation of the whole vehicle, and unsystematic parts test.

Method used

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Embodiment 1

[0024] This embodiment provides an engine water flow test and measurement device, which includes a variable frequency speed regulating motor 1, a transmission mechanism 2, an engine water pump 3, an engine 4, a thermostat assembly 5, a heater 6, a first flow meter 7, a heater Wind 8, oil cooler 9, second flow meter 10, radiator 11, cooling system pipeline 12, expansion tank 13, pressure sensor 14, temperature sensor 15, temperature signal line 16, PLC heating controller 17, frequency conversion motor signal Line 18, variable frequency motor controller 19, flow signal line 20, pressure signal line 21 and data acquisition system 22.

[0025] The engine water pump, engine and radiator are arranged and connected with reference to the three-dimensional space coordinates of the real vehicle through pipelines.

[0026] The variable frequency speed regulating motor 1 is connected to the engine water pump 3 through the transmission mechanism 2, so as to drive the engine water pump 3 to...

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Abstract

The invention discloses an engine water-flow testing measuring device. The engine water-flow testing measuring device comprises a variable-frequency and variable-speed motor, an engine water pump, an engine, a thermostat assembly, a heater, a first flow meter, a warm air part, an engine oil cooler, a second flow meter, a heat sink, a pressure sensor, a temperature sensor, a PLC heating controller, a variable-frequency motor controller and a data collecting system. The data collecting system measures the flow distribution of the warm air part according to flow signals collected by the first flow meter, and obtains the flow resistance of the engine water pump, the engine, the warm air part, the engine oil cooler and the heat sink according to pressure signals collected by the pressure sensor. According to the engine water-flow testing measuring device, a dynamometer and whole-vehicle resources do not need to be occupied; in the state that only a cooling system sample piece exists in the initial stage of development, the measurement of the flow distribution and the flow resistance of an engine cooling system can be completed in five workdays, the design problems of the cooling systems are exposed in advance, and development risks are reduced.

Description

technical field [0001] The invention relates to an engine water flow test measuring device, which belongs to the technical field of engine testing. Background technique [0002] As the degree of strengthening of the engine continues to increase, its thermal load also increases, and the temperature of the parts is too high, exceeding the limit it can bear. life. Therefore, a good cooling system is required to ensure that the engine works within a reasonable temperature range. The engine water flow test measurement device can measure the flow distribution and flow resistance of various components of the engine cooling system in the early stage of product development, evaluate whether the parameters of the engine cooling system meet the design requirements, and provide data support for CFD performance calculation and vehicle cooling system development. [0003] At present, the tests for measuring the flow distribution or flow resistance of the engine cooling system mainly inc...

Claims

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Application Information

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IPC IPC(8): G01M15/00G01M10/00
CPCG01M10/00G01M15/00
Inventor 王峰关庆龙李超张赫胡伟兴谷华苏欣
Owner CHINA FIRST AUTOMOBILE
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