Intensive type heat-dissipating system for engineering machinery
A heat dissipation system and construction machinery technology, applied in mechanical equipment, fluid pressure actuation system components, engine components, etc., can solve problems such as difficult working temperature requirements, and achieve the effects of simplifying heat exchange links, efficient exchange, and easy and effective control
Inactive Publication Date: 2013-08-28
JILIN UNIV
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Problems solved by technology
However, the traditional heat dissipation method combined with a single fan and multiple radiators is limited by the fan size characteristics, driving characteristics, noise restrictions, limited by the combination of multiple radiators, and limited by the space form of the power cabin, so it is difficult to balance efficiently and reliably Operating temperature requirements for each system of the vehicle
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[0013] The specific content and implementation of the present invention will be described in detail below in conjunction with the accompanying drawings of the specification.
[0014] The intensive heat dissipation system for construction machinery of the present invention is composed of four groups of functional components, which are a system heat collector, a single radiator, a cooling fan, and a vehicle coolant driving system. The system heat collecting device 4 is divided into a single space by a partition 6 in a closed space, and a U-shaped tube bundle heat exchange structure 1 5 and a U-shaped tube bundle heat exchange structure 2 7 are respectively arranged in the single space. , U-shaped tube-bundle heat exchange structure 3-8, U-shaped tube-bundle heat exchange structure 4-9 and many other vehicle system heat source radiators. The vehicle coolant is driven by its oil pump to flow through the individual spaces in sequence, and the flow of the corresponding heat source flui...
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The invention relates to an intensive type heat-dissipating method for engineering machinery, in particular to an intensive type heat-dissipating system for the engineering machinery. The intensive type heat-dissipating system comprises a system heat collection device, a single radiator, a cooling fan and a vehicle coolant driving system. The system heat collection device is divided into single spaces through separating boards in a closed space. A plurality of vehicle system heat source radiators formed by U-shaped pipe bundle type heat exchange structures are arranged in the single spaces. Heat of each heat source system can be transmitted to coolants based on flow of the coolants. The single radiator has the structural features of high heat dissipating efficiency, and is suitable for space limitation of an engine compartment. The cooling fan is an axial flow fan which is driven by a hydraulic motor to rotate. The vehicle coolant driving system is formed by a driving oil pump, a control valve, a driving motor and a pipeline system. The intensive type heat-dissipating system is suitable for an efficient heat dissipating method with requirements for multiple heat source systems and large heat dissipating capacity in the engineering machinery, ensures requirements for the temperature state of the various systems in the engineering machinery, and improves operation efficiency and reliability of vehicles.
Description
Technical field [0001] The invention relates to an intensive heat dissipation method for a heat dissipation system of engineering machinery, in particular to an efficient heat dissipation method suitable for a multi-heat source system of construction machinery and a large heat dissipation requirement. Background technique [0002] The heat dissipation system of construction machinery is a key system that guarantees the engine cooling system temperature requirements, engine charge air cooling requirements, transmission system temperature requirements, hydraulic system temperature requirements, and cab air conditioning system cooling temperature requirements in the vehicle system. With the continuous improvement of energy-saving and emission requirements for vehicle systems, the application of engine exhaust gas recirculation systems (ie, EGR) and the limitation of brake fluid temperature in wet hydraulic brake systems have increased the load on vehicle cooling systems. Heat dissip...
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IPC IPC(8): F01P3/20F01P3/18F01P5/02F01P5/10F02B29/04F16H57/04F15B21/04B60H1/06B60K11/04
CPCY02T10/12
Inventor 秦四成张志君秦司南刘宇飞
Owner JILIN UNIV