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Diesel engine side electric control modular cooling system

A cooling system and electronic control module technology, applied in engine cooling, liquid cooling, machine/engine, etc., can solve the problem of lack of accurate control of cooling water flow, pressure and temperature in the cooling water system, and increase the structural complexity of diesel engine components Difficulty in layout, cooling water temperature, backward pressure control methods, etc., to achieve the effect of compact structure, reduced parts and good versatility

Active Publication Date: 2007-03-21
NO 711 RES INST CHINA SHIPPING HEAVY IND GRP
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Problems solved by technology

Such a form, on the one hand, increases the complexity of the diesel engine structure and the difficulty in the arrangement of parts on the machine; on the other hand, each diesel engine needs to be equipped with and drive the above-mentioned sea and fresh water pumps and other accessories, which consumes the output work of the diesel engine. Reduced effective mechanical efficiency
At the same time, the design of the cooling system of these high-power diesel engines is mainly based on empirical design and reference design, and the design and selection of its performance parameters and main accessories are often only considered to meet the requirements of the calibrated operating point, and the cooling water temperature and pressure control methods are relatively backward , the temperature and pressure control accuracy is poor, lack of precise control of the cooling water system circulation in the entire operating range and the cooling water flow, pressure and temperature of each key point

Method used

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  • Diesel engine side electric control modular cooling system
  • Diesel engine side electric control modular cooling system
  • Diesel engine side electric control modular cooling system

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Embodiment Construction

[0021] Fig. 1 is a principle schematic diagram of an embodiment of the electronically controlled modular cooling system next to the diesel engine of the present invention. Please refer to Fig. 1, the diesel engine modular cooling system in the present embodiment includes a control unit 20 and a cooling circuit 10, the cooling circuit 10 is divided into a fresh water circuit and a seawater circuit, wherein the fresh water circuit includes a fresh water tank 11, a heating device 12 , temperature controller 13, temperature regulating device 14, water pump device 15, pressure regulating valve 16, etc. These modular parts are integrated into a module, which is independently arranged beside the diesel engine.

[0022] The fresh water tank 11 is used for storing fresh water for cooling (or other cooling medium), as well as cooling water in the compensation circuit and deflation in the circuit. The heating device 12 is composed of a heater 121 and a heater control cabinet 122 , wherei...

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Abstract

The present invention discloses an electrically-controlled modularized cooling system nearby diesel engine. Said system includes control unit and at least one cooling loop, every cooling loop includes a fresh water loop, said fresh water loop includes fresh water tank, heating device and temperature control instrument, lso includes temperature regulating device, water pump device and pressure regulating valve which are placed on the water tank outlet pipeline, in the fresh water tank interior a water tank temperature sensor is set, the outlet of said pressure regulating valve is equipped with a temperature sensor and a pressure sensor. Besides, said invention also provides the working principle of said cooling system and its concrete operation method.

Description

technical field [0001] The invention relates to a diesel engine cooling system, in particular to an electronically controlled modular cooling system beside the diesel engine which can automatically optimize the cooling water flow, temperature and pressure of each branch. Background technique [0002] At present, the cooling systems of most of the existing high-power diesel engines are belt-type. Seawater pumps, freshwater pumps, temperature regulating valves and a large number of cooling water pipelines are all installed on the machines, and the seawater pumps and freshwater pumps are driven by the crankshaft. Such a form, on the one hand, increases the complexity of the diesel engine structure and the difficulty in the arrangement of parts on the machine; on the other hand, each diesel engine needs to be equipped with and drive the above-mentioned sea and fresh water pumps and other accessories, which consumes the output work of the diesel engine. Reduced effective mechanic...

Claims

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Application Information

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IPC IPC(8): F01P7/16F01P11/18F01P3/00F02B29/04F01M5/00F01P5/10
CPCY02T10/146Y02T10/12
Inventor 王锋任林梁刚陈志忠高德明
Owner NO 711 RES INST CHINA SHIPPING HEAVY IND GRP
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