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Organic heat carrier furnace heat conduction oil temperature stabilizing device for radiator performance test

A heat carrier furnace and stabilizing device technology, which is applied in the field of vehicle engineering, can solve the problems that cannot meet the heat balance accuracy requirements of water radiators and control stability accuracy, 1°C, sometimes even exceeding ±2°C, etc.

Active Publication Date: 2020-04-17
CHINA NORTH VEHICLE RES INST
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Problems solved by technology

Because the temperature of the heat transfer oil fluctuates greatly, it is difficult to stabilize the water temperature at the specified ±0.2°C through PID control. Generally, the fluctuation range of the water temperature through PID control is ±1°C, and sometimes even exceeds ±2°C. Such a large temperature fluctuation cannot be satisfied. Heat balance accuracy requirements and control stability accuracy requirements for water radiators

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  • Organic heat carrier furnace heat conduction oil temperature stabilizing device for radiator performance test

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Embodiment Construction

[0020] In order to make the object, technical solution and beneficial effect of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be noted that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0021] see figure 1 , the radiator performance test provided by the present invention uses an organic heat carrier furnace heat transfer oil oil temperature stabilization device, including an organic heat carrier furnace 1, a heat transfer oil circulation pump 2, a first temperature sensor 3, a first proportional valve 4, and a seventh temperature sensor 5. Heat exchanger A6, second proportional valve 7, tee 8, heat exchanger B 9, third temperature sensor 10, third proportional valve 11, test piece 12 (radiator), second temperature sensor 13, The fourth temperature sensor 14, the first flow m...

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Abstract

The invention belongs to the field of vehicle engineering, and relates to an organic heat carrier furnace heat conduction oil temperature stabilizing device for a radiator performance test. Accordingto the device, the heat conduction oil temperature stabilizing device is designed according to the performance test requirement of a radiator of a special vehicle cooling system, the problem of heat conduction oil temperature stabilization of an organic heat carrier furnace is solved, the heat conduction oil temperature stabilization is realized by additionally installing a heat conduction oil cooling radiator and heat conduction oil inlet oil temperature PID control of the radiator, the heat conduction oil temperature is quickly stabilized through real-time calculation of heat dissipation amount, the target value of the heat conduction oil temperature is quickly adjusted through monitoring the heat dissipation amount of the heat conduction oil cooling radiator, and the boiling preventionsafety design of cooling water is realized.

Description

technical field [0001] The invention belongs to the field of vehicle engineering, and relates to an organic heat carrier furnace system in performance tests of radiators of cooling systems of special vehicles. Background technique [0002] In the radiator performance test, it is necessary to heat the hot side medium oil, water, and air used in the radiator performance test to the required temperature, and stabilize the oil, water, and air temperatures within the set range. Generally, there are two kinds of heat sources for hot side medium oil, water, and gas, one is electric heating, and the other is organic heat carrier furnace. The use of electric heating is generally widely used in small-power radiator test benches, but the heat dissipation of armored vehicles is relatively large, and the use of electric heating is limited by power distribution indicators. Therefore, organic heat carrier furnaces are mostly used in high-power radiator test benches. The heat source used i...

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Application Information

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IPC IPC(8): F24H7/02F24H9/20G01M17/007G01D21/02
CPCF24H7/02F24H9/2007G01D21/02G01M17/007
Inventor 李欣刘建峰隗立国赵春伟张佳卉
Owner CHINA NORTH VEHICLE RES INST
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