CN102486115A - Automobile cooling system - Google Patents
Automobile cooling system Download PDFInfo
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- CN102486115A CN102486115A CN2010105762323A CN201010576232A CN102486115A CN 102486115 A CN102486115 A CN 102486115A CN 2010105762323 A CN2010105762323 A CN 2010105762323A CN 201010576232 A CN201010576232 A CN 201010576232A CN 102486115 A CN102486115 A CN 102486115A
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Abstract
The invention provides an automobile cooling system, which comprises a main radiator (1), a controller (18), an auxiliary radiator (13), a reversing valve (10) and a temperature sensor (8), wherein an inlet of the reversing valve (10) is communicated with a water outlet (9) of the main radiator (1), a first outlet and a second outlet of the reversing valve (10) are respectively communicated to a water inlet of an engine (15) through a first pipeline and a second pipeline, the auxiliary radiator (13) is arranged on the second pipeline, the temperature sensor (8) is arranged at the water outlet (9) of the main radiator (1), and the reversing valve (10) and the temperature sensor (8) are respectively and electrically connected with the controller (18); the temperature sensor (8) is used for detecting the value of actual temperature at the water outlet (9); and the controller (18) is used for controlling the reversing valve (10) to act according to the value of the actual temperature at the water outlet (9). The automobile cooling system provided by the invention can meet the demand of higher thermal load of the entire automobile.
Description
Technical field
The application relates to a kind of automobile cooling system.
Background technique
Existing automobile cooling system all is to realize engine cooling through radiator and fan, to guarantee the normal working temperature of motor.Along with the popularization of new auto technology and the application of high power engine; Automobile cooling system is not only wanted cooled engine itself; Also will bear bigger heat load, for example other produce the heat load, particularly hydrodynamic retarder of heat load element from automotive fan heater, Exhaust gas purifying device, fluid torque converter, hydrodynamic retarder etc.; The heat load that produces during its work is big more than engine heat load, and these extra heat loads need bigger radiator and fan to assist cooling.Because the coupling of automobile radiators and fan is mature on the whole at present; Receive the restriction in the space of automobile own, the height of radiator and fan and thickness can't be realized too about-face, increase thickness and also can increase windage simultaneously; And through evidence; The height and the thickness of simple property increase radiator do not have too big improvement to cooling effect, and automobile is given birth to the maturity that manufacturer also hopes when addressing the above problem, can keep existing product, and reduce design cost.
Summary of the invention
The objective of the invention is to bear the problem of bigger heat load, provide a kind of design cost low, can satisfy the bigger heat load of car load, guarantee the automobile cooling system of motor car engine normal working temperature to existing car engine cooling system.
Automobile cooling system provided by the invention comprises main radiator, and this main radiator has water intake and the water outlet with its internal communication, and this cooling system also comprises controller, secondary radiator, selector valve and temperature transducer; Said selector valve has inlet, first outlet and second outlet; The inlet of said selector valve is communicated with the water outlet of main radiator; First outlet and second outlet of said selector valve are respectively applied for the water inlet through first pipeline and second pipeline connection to motor; Said secondary radiator is arranged on said second pipeline, and said temperature transducer is arranged on the water outlet place of main radiator, and said selector valve and temperature transducer are electrically connected with controller respectively; Said temperature transducer is used to detect true temperature and the output temperature testing signal at said water outlet place to controller; Said controller is used for obtaining according to the temperature detection signal that receives the actual temperature value at said water outlet place, and according to this actual temperature value control selector valve action.
Automobile cooling system provided by the invention has adopted secondary radiator to assist cooling; Whether detect the main radiator cooling of process engine coolant afterwards through temperature transducer has dropped in the motor normal working temperature scope; If the coolant temperature after main radiator cooling has still surpassed the motor normal working temperature; Then open the path that leads to secondary radiator through the action of control selector valve; Engine coolant is introduced secondary radiator to carry out the secondary cooling, will carry through the cooling liquid after twice cooling and postback motivation, guarantee the normal working temperature of motor thus.
Automobile cooling system design cost provided by the invention is low, can satisfy the bigger heat load of car load, guarantees the motor car engine normal working temperature.
Description of drawings
Fig. 1 is the structural representation of automobile cooling system provided by the invention;
Fig. 2 is the structural representation of a kind of preferred implementation of automobile cooling system provided by the invention.
Embodiment
Below in conjunction with accompanying drawing automobile cooling system provided by the invention is done further detailed description.
Automobile cooling system is used for taking away the unnecessary heat that engine operation produces through the circulation of engine coolant, motor is maintained within the normal operating temperature scope, avoids causing damage.The liquid circulation process of automobile cooling system is divided into major cycle and short circle usually; Short circle is meant that cooling liquid only circulates in motor; And major cycle refers to cooling liquid and between motor and main radiator, circulates, and existing automobile cooling system is controlled large and small circuit conversion through temperature regulator usually.This temperature regulator includes the temperature module usually, changes through the sensing environment temperature and is borrowing expansion or shrinkage to come flowing of opening and closing liquid, with the conversion of the flow path of realizing cooling liquid.
When engine temperature is on the low side (for example when cold car), said temperature regulator cuts out major cycle, the cooling liquid main radiator of not flowing through, but only in motor, make short circle, make motor can reach operating temperature rapidly; When engine temperature is elevated to the unlatching temperature of temperature regulator; Temperature regulator cuts out short circle and opens major cycle; Cooling liquid all flows to main radiator thus; Through a large amount of heats of main heat sink radiates, make the water temperature that flow back into motor be reduced in the motor normal working temperature scope, guarantee the normal working temperature of motor.
As shown in Figure 1, automobile cooling system provided by the invention comprises main radiator 1, and this main radiator 1 has the water intake 4 and water outlet 9 with its internal communication, and this cooling system also comprises controller 18, secondary radiator 13, selector valve 10 and temperature transducer 8; Said selector valve 10 has inlet, first outlet and second outlet; The inlet of said selector valve 10 is communicated with the water outlet 9 of main radiator 1; First outlet and second outlet of said selector valve 10 are respectively applied for the water inlet through first pipeline and second pipeline connection to motor 15; Said secondary radiator 13 is arranged on said second pipeline, and said temperature transducer 8 is arranged on water outlet 9 places of main radiator 1, and said selector valve 10 is electrically connected with controller 18 respectively with temperature transducer 8; Said temperature transducer 8 is used to detect true temperature and the output temperature testing signal at said water outlet 9 places to controller 18; Said controller 18 is used for obtaining according to the temperature detection signal that receives the actual temperature value at said water outlet 9 places; And according to these actual temperature value control selector valve 10 actions; Make: when said actual temperature value during less than first temperature value, the inlet of said selector valve 10 exports conducting with first; When said actual temperature value reaches first temperature value, the inlet of said selector valve 10 and the second outlet conducting.
Said main radiator 1 all is the heat-exchange devices that are used for automobile cooling system is played cooling action with secondary radiator 13; Its principle is mobile in radiator core through the engine coolant of heat; The cool air generation heat exchange of passing through outward with radiator core; Cool air heats up because of the heat that the absorption cooling liquid sheds, and cooling liquid reaches the purpose to the cooling liquid cooling thus owing to turning cold to the air heat radiation.
Said selector valve 10 is the two-position three way solenoid directional control valve, utilizes the switching electricity of electromagnet and promotes the connected state that valve core movement is controlled the selector valve outlet, reaches the purpose of conversion fluid flow direction thus.As shown in Figure 1; The inlet of said selector valve 10 is communicated with the water outlet 9 of main radiator 1; The water inlet of first pipeline and second pipeline connection to motor 15 is passed through in its first outlet and second outlet respectively; Valve core movement through control selector valve 10; Can so that the inlet of selector valve 10 and first the outlet conducting or with second the outlet conducting, realize that thus the water outlet 9 of main radiator 1 directly is communicated to the water inlet of motor 15, or water outlet 9 is communicated with the water inlet of motor 15 through the secondary radiator that is arranged on second pipeline.
Said temperature transducer 8 is arranged on water outlet 9 places of main radiator 1, is used for the true temperature through main radiator 1 cooled cooling liquid is detected in real time.Said temperature transducer 8 is for being used for the temperature transducer of detected temperatures and output temperature testing signal arbitrarily, like contact type measurement sensor, infrared radiation thermometers such as thermistors.
Said controller 18 is connected with temperature transducer 8 with selector valve 10, for can correspondingly exporting the controller of the electrical signal of control selector valve 10 actions arbitrarily according to the temperature detection signal that receives, for example can be PLC or single-chip microcomputer.Store first temperature value (being the CLV ceiling limit value of motor 15 normal working temperatures) in the said controller 18 in advance; Obtain the actual temperature value at water outlet 9 places according to the temperature detection signal that receives; First temperature value of this actual temperature value with storage in advance compared; When actual temperature value during less than first temperature value, controller 18 judges that the temperature of motors 15 is within its normal working temperature scope, exports electrical signal thus to selector valve 10; The valve core movement of control selector valve 10 makes the inlet and first of selector valve 10 export conducting; When actual temperature value reached first temperature value, controller 18 judged that motor 15 has exceeded its normal working temperature scope, exports electrical signal thus to selector valve 10, and the valve core movement of control selector valve 10 makes the inlet and second of selector valve 10 export conducting.Under the preferable case, said controller 18 becomes one with the electric machine controller or the engine controller of automobile.
Cooling system provided by the invention also comprises main fan 2 and secondary fan 11, be separately positioned near the said main radiator 1 with said secondary radiator 13 near, be to be used for rotating acceleration surrounding atmosphere to flow and realize the device that dispels the heat through fan blade.
Said main fan 2 is the air drafting type electronic fans that driven by motor 15; Main radiator 1 is arranged to vertical with longitudinal beam with main fan 2; Make that air-flow direction and vehicle traveling direction are opposite; Thus in the process of moving, sucking cool air on every side by main fan 2 cools off for 1 pair of cooling liquid of main radiator.
Said secondary fan 11 is by electric motor driven blowing type electronic fan; Secondary radiator 13 is arranged to parallel with longitudinal beam with secondary fan; Its air-flow direction and vehicle traveling direction are irrelevant; Thus in the process of moving, rotate flowing of acceleration secondary radiator 13 ambient cold air by secondary fan 11 and realize the cooling of 13 pairs of cooling liquids of secondary radiator.
In the automobile cooling system provided by the invention, motor 15 comprises recycle pump, and this recycle pump is a liquid circulation pump; Be built in the water inlet place of motor 15, its working principle be cause inlet/outlet through rotation pressure difference to order about cooling liquid flowing in pipeline, thus; Under the driving of built-in recycle pump; Cooling liquid after main radiator 1 cooling of process is introduced by the water inlet of motor 15, via being exported by the water outlet of motor 15 after the pump pressure of recycle pump, constitutes circulation thus.
According to technological scheme provided by the invention, said temperature transducer 8 is the true temperature of the cooling liquid after main radiator 1 cooling at water outlet 9 places of the main radiator 1 of detection in real time, and the output temperature testing signal is to controller 18; The temperature detection signal that said controller 18 bases receive obtains the actual temperature value at water outlet 9 places, first temperature value of this actual temperature value with storage is in advance compared, to move according to comparative result control selector valve 10; When said actual temperature value during less than first temperature value; Controller 18 judges that motor 15 temperature are within its normal working temperature scope, controls selector valve 10 actions thus, makes the inlet and first of selector valve 10 export conducting; Thus; The direct water inlet through the first pipeline inflow engine 15 through the cooling liquid of water outlet 9 output, after the pump pressure of the recycle pump through motor 15 in by the water outlet outflow of motor 15, the major cycle process of completion cooling system; When said actual temperature value reached first temperature value, controller 18 judged that motor 15 temperature have exceeded its normal working temperature scope, controlled selector valve 10 actions thus; Make the inlet and second of selector valve 10 export conducting; Thus, the cooling liquid inflow of exporting through water outlet 9 is arranged on the secondary radiator 13 on second pipeline, carries out the secondary cooling through secondary radiator 13; Afterwards, via the water inlet of the second pipeline inflow engine 15.Owing to when motor 15 temperature are too high, adopted 13 pairs of cooling liquids of radiator to carry out the secondary cooling, can guarantee the normal working temperature of motor 15.
Said first temperature value can be provided with in controller 18 according to the needs of actual conditions, generally, can be set to the arbitrary value in 85-90 degree centigrade by said first temperature value.Under the preferable case, said first temperature value is set to 90 degrees centigrade.
As shown in Figure 2; Automobile cooling system provided by the invention also comprises temperature regulator 3; The inlet of this temperature regulator 3 is used to be communicated to the water outlet of motor 15; This temperature regulator 3 is communicated to the water intake 4 of said main radiator 1 through main valve 5, and this temperature regulator 3 is communicated to the water inlet of motor 15 through side valve door 6; Said temperature regulator 3 is used for: when the temperature value at said water intake 4 places during less than second temperature value, close main valve 5 and open side valve 6; When the temperature value at said water intake 4 places reaches second temperature value, open main valve 5 and close side valve door 6.
Said temperature regulator 3 is provided with temperature sensing device, and change through sensing temperature and come flowing of opening and closing liquid, with the conversion of the flow path of realizing cooling liquid, for example can be the built-in inner paraffin thermoregulator of motor 15 that is installed in.The paraffin thermoregulator is that molten some temperature value of paraffin opened temperature value (i.e. second temperature value) as it, through sensing temperature change expands or shrinkage opening its main valve 5 or side valve door 6, thereby the conversion of realization coolant flow paths.Under the preferable case, in the automobile cooling system provided by the invention, temperature regulator 3 is the external independent thermoregulator of electric-controlled type, by the unlatching of external control signal control main valve 5 and side valve door 6, to realize the conversion of coolant flow paths.The working principle of temperature regulator 3 is that the automotive field technician is known.Said second temperature value can be set according to the needs of actual conditions, can be set to the arbitrary value in 80-90 degree centigrade by said second temperature value.
According to technological scheme of the present invention; The inlet of temperature regulator 3 is communicated with the water outlet of motor 15; Temperature regulator 3 is communicated to the water intake 4 of main radiator 1 through main valve 5; Be communicated to the water inlet of motor 15 through side valve door 6, output flow back into motor 15 after the cooling liquid of the heat of motor 15 can be cooled off through main radiator 1 (or main radiator 1 and secondary radiator 13 both), or directly flow back into motor 15.When output from the coolant temperature value of motor 15 (water intake 4 places of promptly main radiator 1) during less than second temperature value; Temperature regulator 3 cuts out main valve 5 and open side valve 6; Cooling liquid directly flows back to motor 15 through side valve door 6, carries out the short circle in the motor 15.When the coolant temperature value reached second temperature value, temperature regulator 3 opened main valve 5 automatically and cuts out side valve door 6, and this moment, cooling liquid flowed back to motor 15 via first pipeline afterwards via main radiator 1 cooling, carried out major cycle; Simultaneously; The temperature transducer 8 that is arranged on water outlet 9 places of main radiator 1 detects the coolant temperature at 9 places, the mouth of a river in real time; When the coolant temperature at water outlet 9 places reaches first temperature value, the inlet of controller 18 control selector valves 10 and the second outlet conducting, the secondary radiator 13 of flowing through of the cooling liquid after main radiator 1 cooling carries out secondary and cools off; Flow back into motor 15 afterwards again, to guarantee the normal working temperature of motor 15.
Automobile cooling system provided by the invention has adopted secondary radiator 13 to assist cooling; Cooling liquid after main radiator 1 cooling still surpasses under the situation of motor 15 normal working temperatures; Come cooling liquid is carried out secondary cooling through pair 13 devices that dispel the heat; Design cost is low, can guarantee the normal working temperature of motor 15, satisfies the bigger heat load of car load.
Though the present invention is disclosed through above-mentioned mode of execution, yet above-mentioned mode of execution is not that those skilled in the art under any the present invention are not breaking away from the spirit and scope of the present invention, should do various changes and modification in order to qualification the present invention.Therefore protection scope of the present invention should be as the criterion with the scope that appended claims was defined.
Claims (8)
1. automobile cooling system; This cooling system comprises main radiator (1); This main radiator (1) has water intake (4) and the water outlet (9) with its internal communication, and wherein, this cooling system also comprises controller (18), secondary radiator (13), selector valve (10) and temperature transducer (8); Said selector valve (10) has inlet, first outlet and second outlet; The inlet of said selector valve (10) is communicated with the water outlet (9) of main radiator (1); First outlet and second outlet of said selector valve (10) are respectively applied for the water inlet through first pipeline and second pipeline connection to motor (15); Said secondary radiator (13) is arranged on said second pipeline; Said temperature transducer (8) is arranged on the water outlet (9) of main radiator (1) and locates, and said selector valve (10) and temperature transducer (8) are electrically connected with controller (18) respectively;
Said temperature transducer (8) is used to detect true temperature that said water outlet (9) locates and output temperature testing signal to controller (18);
Said controller (18) is used for obtaining the actual temperature value that said water outlet (9) is located according to the temperature detection signal that receives, and according to this actual temperature value control selector valve (10) action.
2. cooling system according to claim 1, wherein, actual temperature value control selector valve (10) action that said controller (18) is located according to said water outlet (9) makes:
When said actual temperature value during less than first temperature value, the inlet of said selector valve (10) and the first outlet conducting;
When said actual temperature value reaches first temperature value, the inlet of said selector valve (10) and the second outlet conducting.
3. cooling system according to claim 1, wherein, said first temperature value is the arbitrary value in 85-90 degree centigrade.
4. cooling system according to claim 1, wherein, this cooling system also comprises main fan (2), this main fan (2) is arranged near the said main radiator (1).
5. cooling system according to claim 4, wherein, this cooling system also comprises secondary fan (11), this pair fan (11) is arranged near the said secondary radiator (13).
6. cooling system according to claim 5; Wherein, This cooling system also comprises temperature regulator (3); The inlet of this temperature regulator (3) is used to be communicated to the water outlet of motor (15), and this temperature regulator (3) is communicated to the water intake (4) of said main radiator (1) through main valve (5), and this temperature regulator (3) is communicated to the water inlet of motor (15) through side valve door (6); Said temperature regulator (3) is used for:
The temperature value of locating when said water intake (4) is closed main valve (5) and open side valve (6) during less than second temperature value;
When the temperature value of locating when said water intake (4) reaches second temperature value, open main valve (5) and close side valve door (6).
7. cooling system according to claim 6, wherein, said temperature regulator (3) is the external independent thermoregulator of electric-controlled type, said second temperature value is the arbitrary value in 80-90 degree centigrade.
8. according to the described automobile cooling system of each claim among the claim 1-7, wherein, said controller (18) becomes one with electric machine controller or engine controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105762323A CN102486115A (en) | 2010-12-01 | 2010-12-01 | Automobile cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105762323A CN102486115A (en) | 2010-12-01 | 2010-12-01 | Automobile cooling system |
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| CN102486115A true CN102486115A (en) | 2012-06-06 |
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| CN2010105762323A Pending CN102486115A (en) | 2010-12-01 | 2010-12-01 | Automobile cooling system |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334825A (en) * | 2013-07-08 | 2013-10-02 | 龙口中宇热管理***科技有限公司 | Compound type cooling system for engine and vehicle using same |
| CN103670652A (en) * | 2012-09-11 | 2014-03-26 | 北汽福田汽车股份有限公司 | Heat dissipation system used for automobile engine |
| CN103704424A (en) * | 2013-12-20 | 2014-04-09 | 黄山华绿园生物科技有限公司 | Clarifying system for tea drink |
| CN103817737A (en) * | 2013-12-02 | 2014-05-28 | 吴中区甪直渡岘工艺品厂 | Die plate cooler |
| CN103899405A (en) * | 2014-04-18 | 2014-07-02 | 中国重汽集团济南动力有限公司 | Novel automatic gearbox and engine cooling system |
| CN105529509A (en) * | 2016-01-15 | 2016-04-27 | 江苏大学 | Low-temperature heating system for power battery of hybrid electric vehicle and control method |
| CN106246324A (en) * | 2016-08-23 | 2016-12-21 | 北汽福田汽车股份有限公司 | Engine coolant heat-exchange system, engineering machinery and hydraulic leg |
| CN106931058A (en) * | 2017-03-23 | 2017-07-07 | 陕西法士特齿轮有限责任公司 | A kind of cooling system for matching Retarder |
| CN107781330A (en) * | 2017-11-17 | 2018-03-09 | 潍柴动力股份有限公司 | Vehicle matches the cooling system and automobile of Retarder |
| CN110014821A (en) * | 2019-03-19 | 2019-07-16 | 武汉格罗夫氢能汽车有限公司 | A kind of novel Hydrogen Energy automobile two stage cooling system |
| CN110056584A (en) * | 2019-03-28 | 2019-07-26 | 江苏大学 | A kind of heat recovery system and its control method of Retarder |
| CN110319077A (en) * | 2019-07-19 | 2019-10-11 | 江苏徐工工程机械研究院有限公司 | Adjustable cooling system and engineering truck and its control method |
| CN110374733A (en) * | 2018-04-12 | 2019-10-25 | 郑州宇通客车股份有限公司 | A kind of engine-cooling system and vehicle |
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| US4475485A (en) * | 1982-01-19 | 1984-10-09 | Nippondenso Co., Ltd. | Engine cooling system control apparatus |
| US20020121554A1 (en) * | 2000-10-27 | 2002-09-05 | Mark Iv Systemes Moteurs (Societe Anonyme) | Cooling units for motor vehicles |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670652A (en) * | 2012-09-11 | 2014-03-26 | 北汽福田汽车股份有限公司 | Heat dissipation system used for automobile engine |
| CN103670652B (en) * | 2012-09-11 | 2016-01-13 | 北汽福田汽车股份有限公司 | A kind of radiation system for motor car engine |
| CN103334825A (en) * | 2013-07-08 | 2013-10-02 | 龙口中宇热管理***科技有限公司 | Compound type cooling system for engine and vehicle using same |
| CN103817737A (en) * | 2013-12-02 | 2014-05-28 | 吴中区甪直渡岘工艺品厂 | Die plate cooler |
| CN103704424A (en) * | 2013-12-20 | 2014-04-09 | 黄山华绿园生物科技有限公司 | Clarifying system for tea drink |
| CN103899405A (en) * | 2014-04-18 | 2014-07-02 | 中国重汽集团济南动力有限公司 | Novel automatic gearbox and engine cooling system |
| CN105529509B (en) * | 2016-01-15 | 2018-04-24 | 江苏大学 | A kind of power battery for hybrid electric vehicle low-temperature heating system and control method |
| CN105529509A (en) * | 2016-01-15 | 2016-04-27 | 江苏大学 | Low-temperature heating system for power battery of hybrid electric vehicle and control method |
| CN106246324A (en) * | 2016-08-23 | 2016-12-21 | 北汽福田汽车股份有限公司 | Engine coolant heat-exchange system, engineering machinery and hydraulic leg |
| CN106931058A (en) * | 2017-03-23 | 2017-07-07 | 陕西法士特齿轮有限责任公司 | A kind of cooling system for matching Retarder |
| CN107781330A (en) * | 2017-11-17 | 2018-03-09 | 潍柴动力股份有限公司 | Vehicle matches the cooling system and automobile of Retarder |
| CN107781330B (en) * | 2017-11-17 | 2024-02-20 | 潍柴动力股份有限公司 | Heat dissipation system of hydraulic retarder matched with whole car and car |
| CN110374733A (en) * | 2018-04-12 | 2019-10-25 | 郑州宇通客车股份有限公司 | A kind of engine-cooling system and vehicle |
| CN110014821A (en) * | 2019-03-19 | 2019-07-16 | 武汉格罗夫氢能汽车有限公司 | A kind of novel Hydrogen Energy automobile two stage cooling system |
| CN110014821B (en) * | 2019-03-19 | 2020-11-27 | 武汉格罗夫氢能汽车有限公司 | Novel hydrogen energy automobile secondary cooling system |
| CN110056584A (en) * | 2019-03-28 | 2019-07-26 | 江苏大学 | A kind of heat recovery system and its control method of Retarder |
| CN110319077A (en) * | 2019-07-19 | 2019-10-11 | 江苏徐工工程机械研究院有限公司 | Adjustable cooling system and engineering truck and its control method |
| CN110319077B (en) * | 2019-07-19 | 2024-04-30 | 江苏徐工工程机械研究院有限公司 | Adjustable cooling system, engineering vehicle and control method of engineering vehicle |
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Application publication date: 20120606 |