Water-cooling and air-cooing interactive type heat dissipation device for diesel engine

A technology for heat dissipation device and diesel engine, which is applied to measurement devices, engine cooling, mechanical equipment, etc., can solve problems such as uneven temperature distribution, and achieve the effects of simple structure, improved heat dissipation capacity, and reduced risk.

Inactive Publication Date: 2015-05-20
SHAOYANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is to provide a water-cooled and air-cooled interactive cooling device for a diesel engine. Through the interaction of water-cooled and air-cooled, the hybrid cooling device can improve the heat dissipation speed of the engine when it is working under high load, and improve the temperature distribution of the cylinder head. Inhomogeneous condition, prevent cylinder head deformation and air leakage caused by high cylinder head temperature, and improve the condition of multiple ignitions in the cylinder when working at high temperature

Method used

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  • Water-cooling and air-cooing interactive type heat dissipation device for diesel engine
  • Water-cooling and air-cooing interactive type heat dissipation device for diesel engine
  • Water-cooling and air-cooing interactive type heat dissipation device for diesel engine

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Embodiment Construction

[0020] According to attached Figure 1-4 It can be seen that the present invention specifically relates to a diesel engine water-cooled and air-cooled interactive cooling device, which is a modification of the diesel engine cooling device, so that the diesel engine cylinder has a higher cooling capacity and reduces the risks caused by temperature rise and temperature difference.

[0021] This cooling device specifically includes an air cooling system, the air cooling system includes a fan, a shroud 1 and a cooling fin 17 positioned on the cylinder liner and the cylinder head 6, the present invention adds a water cooling system on the basis of the original air cooling system of the diesel engine , wherein the water-cooling system includes a micro gear pump 15 and a closed-circuit pipeline connected with the micro gear pump 15, the closed-circuit pipeline is attached to the cylinder head 6, the power input shaft of the micro gear pump 15 is connected with an impeller 12, and the ...

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Abstract

The invention discloses a water-cooling and air-cooing interactive type heat dissipation device for a diesel engine. The water-cooling and air-cooing interactive type heat dissipation device comprises an air cooling system and a water cooling system. The air cooling system comprises a fan, an air guide hood and cooling fins arranged on a cylinder liner and a cylinder cover. The water cooling system comprises a miniature gear pump and a closed-loop pipeline connected with the miniature gear pump. The closed-loop pipeline is attached to the cylinder cover, a power input shaft of the miniature gear pump is connected with an impeller which is located at the outlet end of an exhaust by-pass pipe, and the inlet of the exhaust by-pass pipe is communicated with an exhaust pipe on the cylinder cover. The middle of the exhaust by-pass pipe is provided with a paraffin valve used for monitoring the gas temperature in the exhaust pipe. Through interaction of water-cooling heat dissipation and air-cooling heat dissipation, the heat dissipation speed of an engine in high-load work is increased, the condition that the temperature of the cylinder cover is not evenly distributed is avoided, deformation and gas leakage, caused by the too high temperature of the cylinder cover, of the cylinder cover are avoided, and the condition that multiple portions in a cylinder are ignited in high temperature work is avoided.

Description

technical field [0001] The invention belongs to the technical field of heat dissipation of diesel engines, in particular to a water cooling and air cooling interactive heat dissipation device. Background technique [0002] With the high performance of the diesel engine and the requirement of anti-harsh environment, when the diesel engine is working at a high load, the cylinder and the cylinder head will have a large temperature rise. If the heat is not dissipated in time, the economy and reliability of the diesel engine will be directly affected. At present, the cooling method of diesel engine is to use flywheel fan and air guide cover to carry out forced air cooling on the cylinder liner, cylinder head and aluminum alloy body with heat sink, so as to reduce the working temperature of cylinder liner, cylinder head and the temperature of the whole machine. It is difficult to meet the high heat dissipation requirements with a single air-cooled heat sink in high-load and harsh ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01P9/04F01P5/12F01P11/04
CPCF01P5/10F01P9/04F01P11/04F01P2025/32
Inventor 袁文华马仪伏军汤远李剑星李红陈伟
Owner SHAOYANG UNIV
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