CN103615302B - A kind of cooling system of motor - Google Patents
A kind of cooling system of motor Download PDFInfo
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- CN103615302B CN103615302B CN201310652502.8A CN201310652502A CN103615302B CN 103615302 B CN103615302 B CN 103615302B CN 201310652502 A CN201310652502 A CN 201310652502A CN 103615302 B CN103615302 B CN 103615302B
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Abstract
The present invention relates to a kind of cooling system of motor, include high-temperature water line cooling system and low temperature water line cooling system; Described high-temperature water line cooling system is used for providing cooling to engine cylinder-body, machine oil cooler; Include mechanical water pump, thermostat, high temperature heat sink, engine cylinder-body and Cooling of Cylinder Head water channel, machine oil cooler cooling channel and connecting tube; Described low temperature water line cooling system is used for providing cooling to engine intercooler and pressurized machine, includes electronic water pump, low-temperature radiator, intercooler and pressurized machine cooling water passage and connecting tube.By the cooling in high/low temperature water route, guarantee that cooling system is reliable and stable.Wherein coolant cooling circuit act as cooling ICS intercooler system and pressurization system, and comparatively air cooling is more reliable, stable.
Description
Technical field
The invention belongs to engine art, specifically refer to a kind of cooling system of direct fuel-injection engine.
Background technique
Along with the development of car engine machine technology, powerful motor constantly promotes, and corresponding technology such as supercharging technology, the direct injection technology etc. promoting engine performance is also just more and more employed.Along with the powerful performance of motor, thing followed cooling system also becomes increasingly complex.A lot of cooling system also develops into more stable water-cooled by original air cooling, and the cooling water channel of motor becomes increasingly complex.
The water cooling system that existing technology uses is use a set of cooling system to need the part of cooling to cool to motor always, and such structural advantages it is possible to reduce parts, is conducive to the layout of motor, and reduces cooling line.Shortcoming is, when cooling water cools intercooler, pressurized machine, the temperature of cooling water is higher, can cause the expansion of suction gas, affect air inflow.
Summary of the invention
The object of the invention is, by proposing improvement opportunity scheme to existing engine-cooling system, to adopt two-way cooling system, when reducing the pump load to engine cylinder-body cooling, improving the cooling effect to intercooler and pressurized machine.
The present invention is achieved by the following technical solutions:
A cooling system for motor, includes high-temperature water line cooling system and low temperature water line cooling system;
Described high-temperature water line cooling system is used for providing cooling to engine cylinder-body, machine oil cooler; Include mechanical water pump, thermostat, high temperature heat sink, engine cylinder-body and Cooling of Cylinder Head water channel, machine oil cooler cooling channel and connecting tube;
Described low temperature water line cooling system is used for providing cooling to engine intercooler and pressurized machine, includes water pump, low-temperature radiator, intercooler and pressurized machine cooling water passage and connecting tube.
The cooling system of described motor also includes water charging system and off gas system; Described water charging system includes water tank and water pipe, and described water pipe includes high-temperature water line cooling system water pipe and low temperature water line cooling system water pipe; Described off gas system includes water tank, degasification pipeline and degasification point.
Described water tank is an expansion tank or mutual independently high-temperature water tank and low temperature water tank.
The rising pipe of described expansion tank connects high-temperature water line cooling system water pipe and low temperature water line cooling system water pipe by threeway; And in high-temperature water line cooling system water pipe and low temperature water line cooling system water pipe, be provided with one-way valve, to guarantee that in high/low temperature water route, cooling liquid is without channelling.
One end of described high-temperature water line cooling system water pipe is connected to the front end of mechanical water pump; One end of described low temperature water line cooling system water pipe is connected to the front end of water pump.
Described degasification point totally three, lays respectively at low-temperature radiator feed-water end, high temperature heat sink feed-water end and engine cylinder cover, and above-mentioned three degasification points are connected with water tank by threeway and degasification pipeline.
One-way valve is provided with in the degasification pipeline connecting low-temperature radiator and high temperature heat sink.
Throttle valve is provided with in the degasification pipeline connecting low-temperature radiator and high temperature heat sink.
Described high temperature heat sink and low-temperature radiator are arranged in juxtaposition, after wherein high temperature heat sink is positioned at low-temperature radiator.
The cooling system of described motor also includes cooling fan.
The invention has the beneficial effects as follows:
By the cooling in high/low temperature water route, guarantee that cooling system is reliable and stable.Wherein coolant cooling circuit act as cooling ICS intercooler system, and comparatively air cooling is more reliable, stable.
Accompanying drawing explanation
Fig. 1 is the cooling system plan view of patent of the present invention;
Fig. 2 is the cooling system axonometric drawing of patent of the present invention;
Fig. 3 is the systematic schematic diagram of patent of the present invention;
Fig. 4 is the refrigerating function module diagram of patent of the present invention;
Fig. 5 is the moisturizing schematic diagram of patent of the present invention;
Fig. 6 is the degasification point of patent of the present invention;
Fig. 7 is that the low temperature degasification water route valve body of patent of the present invention is arranged;
Fig. 8 is that the high-temperature degassing water route valve body of patent of the present invention is arranged.
Embodiment
Describe technological scheme of the present invention in detail by the following examples, should be understood that, following embodiment is only exemplary, only can be used for explaining and technological scheme of the present invention being described, and can not be interpreted as being the restriction to technical solution of the present invention.
As shown in Figures 1 to 8, a kind of cooling system of motor, includes high-temperature water line cooling system and low temperature water line cooling system;
Described high-temperature water line cooling system is used for providing cooling to engine cylinder-body, machine oil cooler; Include mechanical water pump to drive, thermostat, high temperature heat sink, engine cylinder-body and Cooling of Cylinder Head water channel, machine oil cooler cooling channel and connecting tube; Its working method is:
When water temperature in high temperature water route lower than thermostat 11 open temperature time, engine-cooling system is in short circle pattern, and cooling water does not flow through high temperature heat sink, and now cooling system is inoperative, the rapid warming-up of motor.
When water temperature in high temperature water route is higher than the opening of thermostat 11, the major cycle of engine cooling water route is opened, and short circle pattern is closed, and cooling water flows through high temperature heat sink 32 by engine cylinder cover 22.Cooling water through with the heat exchange of air after, can engine cylinder-body 21 through 12 dozens, mechanical water pump, participate in the cooling of heating component.
Described low temperature water line cooling system is used for providing cooling to engine intercooler and pressurized machine, and include electronic water pump 13, low-temperature radiator 31, intercooler 24 and pressurized machine 23 cooling water passage and connecting tube, its workpiece mode is:
Cooling water is got by electronic water pump 13, continues to flow into pressurized machine 23 and intercooler 24, enters low-temperature radiator 31 after heat exchange.Cooling water through with the heat exchange of air after, then to get through electronic water pump 13, form coolant cooling circuit.
The cooling system of described motor also includes water charging system and off gas system; Described water charging system includes water tank and water pipe, and described water pipe includes high-temperature water line cooling system water pipe 72 and low temperature water line cooling system water pipe 73; Described off gas system includes water tank 71, degasification pipeline and degasification point.
Described water tank is an expansion tank 71 or mutual independently high-temperature water tank and low temperature water tank.In the present embodiment, expansion tank 71 structure is used.According to mutually independently high-temperature water tank and low temperature water tank, high-temperature water tank and low temperature water tank are arranged in juxtaposition, and wherein high-temperature water tank is arranged rearward.
One end of described high-temperature water line cooling system water pipe 72 is connected to the front end of mechanical water pump; One end of described low temperature water line cooling system water pipe 73 is connected to the front end of electronic water pump.Its Placement is for jointly to cause expansion tank water supplement port (see figure 5) by three-port structure by two moisturizing points, and owing to there is less possible moisturizing channelling situation between mechanical water pump 12 and electronic water pump 13, can select to increase one-way valve structures in water pipe or threeway 74.
Described degasification point totally three, lays respectively at low-temperature radiator feed-water end, high temperature heat sink feed-water end and engine cylinder cover, and above-mentioned three degasification points are connected with water tank by threeway and degasification pipeline.Its Connecting format is shown in Fig. 6, wherein low-temperature radiator degasification point 61, between high temperature heat sink degasification point 62 and engine cylinder cover degasification point 63 by threeway connect gather after, degassed water flows to expansion tank 34.
Due to different in different operating mode downforce between three degasification points, there is pressure reduction, wherein engine cylinder cover degasification point 63 is whole system maximum pressure point.Correct for ensureing that degasification water route flows to, there is not backflow phenomena, need arrange in the degasification pipeline of low-temperature radiator 31 in the degasification pipeline of one-way valve 82 and high temperature heat sink 32 and one-way valve 84 is set.For ensureing, except throughput is reasonable, to make cooling performance better, the object that degasification flow shunt is minimum, cryogenic throttle valve 81 and high temperature throttle valve 83 need be set in the degasification pipeline of low-temperature radiator 31 and high temperature heat sink 32.The setting type of one-way valve and throttle valve is shown in Fig. 7, Fig. 8.
High temperature heat sink and low-temperature radiator are arranged in juxtaposition, and are integrated with cooling fan after wherein high temperature heat sink is positioned at low-temperature radiator.High temperature heat sink and low-temperature radiator are corrugated tube type conventional in automobile or fin-inserted radiator.Engine-cooling system needs to mate corresponding electronic fan or mechanical fans.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (9)
1. a cooling system for motor, is characterized in that: include high-temperature water line cooling system and low temperature water line cooling system;
Described high-temperature water line cooling system is used for providing cooling to engine cylinder-body, machine oil cooler; Include mechanical water pump, thermostat, high temperature heat sink, engine cylinder-body and Cooling of Cylinder Head water channel, machine oil cooler cooling channel and connecting tube;
Described low temperature water line cooling system is used for providing cooling to engine intercooler and pressurized machine, includes water pump, low-temperature radiator, intercooler and pressurized machine cooling water passage and connecting tube;
The cooling system of described motor also includes water charging system and off gas system; Described water charging system includes water tank and water pipe, and described water pipe includes high-temperature water line cooling system water pipe and low temperature water line cooling system water pipe; Described off gas system includes water tank, degasification pipeline and degasification point.
2. the cooling system of motor according to claim 1, is characterized in that: described water tank is an expansion tank or mutual independently high-temperature water tank and low temperature water tank.
3. the cooling system of motor according to claim 2, is characterized in that: the rising pipe of described expansion tank connects high-temperature water line cooling system water pipe and low temperature water line cooling system water pipe by threeway; And in high-temperature water line cooling system water pipe and low temperature water line cooling system water pipe, be provided with one-way valve, to guarantee that in high/low temperature water route, cooling liquid is without channelling.
4. the cooling system of motor according to claim 1, is characterized in that: one end of described high-temperature water line cooling system water pipe is connected to the front end of mechanical water pump; One end of described low temperature water line cooling system water pipe is connected to the front end of water pump.
5. the cooling system of motor according to claim 1, it is characterized in that: described degasification point totally three, lay respectively at low-temperature radiator feed-water end, high temperature heat sink feed-water end and engine cylinder cover, above-mentioned three degasification points are connected with water tank by threeway and degasification pipeline.
6. the cooling system of motor according to claim 1 or 5, is characterized in that: in the degasification pipeline connecting low-temperature radiator and high temperature heat sink, be provided with one-way valve.
7. the cooling system of motor according to claim 1 or 5, is characterized in that: in the degasification pipeline connecting low-temperature radiator and high temperature heat sink, be provided with throttle valve.
8. the cooling system of motor according to claim 1 or 5, is characterized in that: described high temperature heat sink and low-temperature radiator are arranged in juxtaposition, after wherein high temperature heat sink is positioned at low-temperature radiator.
9. the cooling system of motor according to claim 1, is characterized in that: the cooling system of described motor also includes cooling fan.
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| CN105351068A (en) * | 2015-10-16 | 2016-02-24 | 安徽江淮汽车股份有限公司 | Engine cooling system improved structure with dual expansion water tanks |
| CN105351069A (en) * | 2015-10-16 | 2016-02-24 | 安徽江淮汽车股份有限公司 | Engine cooling system |
| CN105351071A (en) * | 2015-10-16 | 2016-02-24 | 安徽江淮汽车股份有限公司 | Engine cooling system |
| CN105351067A (en) * | 2015-10-16 | 2016-02-24 | 安徽江淮汽车股份有限公司 | Engine cooling system with dual expansion water tanks |
| CN105201627A (en) * | 2015-10-16 | 2015-12-30 | 安徽江淮汽车股份有限公司 | Cooling system for engine |
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| CN105351070B (en) * | 2015-10-16 | 2017-08-29 | 安徽江淮汽车集团股份有限公司 | A kind of engine-cooling system using automatically controlled auxiliary pump |
| CN105201627B (en) * | 2015-10-16 | 2017-09-05 | 安徽江淮汽车集团股份有限公司 | A kind of engine-cooling system |
| CN105351067B (en) * | 2015-10-16 | 2017-09-05 | 安徽江淮汽车集团股份有限公司 | A kind of double expansion tank cooling systems of engine |
| CN105275570B (en) * | 2015-10-16 | 2017-09-19 | 安徽江淮汽车集团股份有限公司 | One kind supercharging miniaturization engine double cooling systems |
| CN105201624B (en) * | 2015-10-16 | 2017-09-19 | 安徽江淮汽车集团股份有限公司 | A kind of engine-cooling system |
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| CN105351071B (en) * | 2015-10-16 | 2017-09-19 | 安徽江淮汽车集团股份有限公司 | A kind of engine-cooling system |
| CN105257384B (en) * | 2015-10-16 | 2017-09-26 | 安徽江淮汽车集团股份有限公司 | A kind of engine-cooling system |
| CN105240104B (en) * | 2015-10-16 | 2017-09-29 | 安徽江淮汽车集团股份有限公司 | A kind of multicycle engine cooling system |
| CN105927353A (en) * | 2016-04-27 | 2016-09-07 | 安徽江淮汽车股份有限公司 | Dual cycle cooling system including dual expansion kettles |
| CN105927352A (en) * | 2016-04-27 | 2016-09-07 | 安徽江淮汽车股份有限公司 | Dual cycle cooling system with dual expansion kettles |
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