CN102052141A - Thermostat device for diesel engine - Google Patents
Thermostat device for diesel engine Download PDFInfo
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- CN102052141A CN102052141A CN2011100305415A CN201110030541A CN102052141A CN 102052141 A CN102052141 A CN 102052141A CN 2011100305415 A CN2011100305415 A CN 2011100305415A CN 201110030541 A CN201110030541 A CN 201110030541A CN 102052141 A CN102052141 A CN 102052141A
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- water
- thermostat
- cooling
- backwater interface
- valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The invention discloses a thermostat device. The invention has the specific scheme that a water outlet elbow of the thermostat is arranged on the shell of the thermostat; the back surface of the elbow is provided with the backwater interface of a fan heater; the left side of the interface is provided with the backwater interface of an EGR (exhaust gas recirculation) system; the water inlet valve of the fan heater is arranged in the symmetrical position of the interface of the EGR system; the water inlet tube of the thermostat is arranged at the lower part of the shell of the thermostat and forms an angle of 90 degrees with the water outlet elbow of the thermostat; and the backwater interface of the fan heater, the backwater interface of the EGR cooling system, the backwater interface of an air compression pump and the water inlet valve of the fan heater are communicated with a water cavity in the bottom shell of the thermostat. In order to monitor the temperature of cooling water, a water temperature sensor is arranged below the water inlet valve of the fan heater. The thermostat device provided by the invention integrates the air compressor of a diesel engine, the fan heater and the cooling system of the EGR with the cooling system of the diesel engine through the thermostat device, thereby enhancing the cooling efficiency of the engine. The cooling effect of the engine and an accessory system can be guaranteed only by increasing the flow of a water pump.
Description
Technical field
The invention belongs to the diesel engine component, be specifically related to a kind of cooling system of used for diesel engine.
Background technique
Current diesel engine is in order to better meet the requirement of emission performance and car load coupling, corresponding a lot of annexes and the system of having increased, miscellaneous functions such as, heater flame-out as air compressor, power steering, brake power-assisted, electronics, cooler for recycled exhaust gas system, cooling-water temperature sensor have become the standard configuration of some vehicles.For ensureing the proper functioning of these component, need cool off these component.So just the cooling system of motor is had higher requirement.Therefore this just need improve the cooling system of motor.Because the transmission supporting mechanism of auxiliary device is arranged on the motor, so the profile space of motor is more and more nervous, when considering to guarantee the component cooling, take into account the reasonable setting between engine air thus.For this reason specialized designs a kind of thermostat device of compact structure satisfy the cooling requirement of motor and related accessories.
Summary of the invention
The objective of the invention is, provide a kind of diesel engine annex and the integrated thermostat device of engine body cooling.
Below in conjunction with accompanying drawing technological scheme of the present invention is illustrated: used for diesel engine thermostat device has thermostat housing, thermostat water exit elbow, warm-air drier backwater interface, cooling system for recycled exhaust gas backwater interface, warm-air drier inlet valve, thermostat intake pipe, compression pump backwater interface, cooling water inlet valve, interior circulating water valve, interior circulating water water outlet, paraffin and cooling-water temperature sensor etc.Thermostat Design of device purpose is exactly to regulate the loop direction of cooling water according to the water temperature of motor, reaches when starting purpose of hot car as early as possible simultaneously.The cooling of motor mainly relies on the water jacket of cylinder, and the engine accessory power rating that will cool off of in addition still needing mainly is exhaust gas recirculation (EGR) system and air compressor system.What egr system need cool off is the waste gas of drawing from outlet pipe; What air compressor system need cool off is the reciprocating piston type compression pump.And the function of thermostat device to be cooling water with motor, egr system, air compressor system three tunnel collect in carries out mixed cycle in the thermostat, done the design of compact type thermostat device for this reason.The thermostat housing is provided with the thermostat water exit elbow, and the back side of elbow is provided with warm-air drier backwater interface, and warm-air drier backwater interface left side is provided with egr system backwater interface, is provided with the warm-air drier inlet valve in the symmetrical position of its interface.The thermostat intake pipe is located at the thermostat lower part of frame, is 90 ° with the thermostat water exit elbow.
Circulating water in the thermostat device two classes of classifying, a class is the engine cooling water main passage; Another kind of is short circle cooling water in the thermostat device, is called interior circulating water.When the water temperature in entering the thermostat device was relatively lower, the inside paraffin of thermoregulator was with interior circulating water valve and the shutoff of major cycle channel valve.This moment, the cooling water of motor did not carry out cool cycles to annex.When the water temperature in entering the thermostat device is elevated to design temperature, the sealing of the water outlet of interior circulating-water valve goalkeeper short circle, and the major cycle channel valve is opened.Engine cooling water is through the shunting of thermostat device, the cooling major cycle that enters motor and annex respectively.
Characteristics of the present invention and beneficial effect be, the cooling system of air compressor, heater and the EGR of the diesel engine cooling system by thermostat device and diesel engine is combined, and carries out integratedly, improved the cooling effectiveness of motor.As long as, just can guarantee the cooling effect of motor and accessory system by strengthening pump capacity.
Description of drawings
Fig. 1 is the invention structure principle chart.
Fig. 2 is a backsight structural drawing of the present invention.
Fig. 3 flows to schematic representation for the thermostat water route.
Embodiment
Below in conjunction with accompanying drawing and by mode of execution structure of the present invention and principle are further described.The structural group of used for diesel engine thermostat device becomes: the top of thermostat housing 1 is provided with thermostat water exit elbow 2, the back side of water exit elbow is provided with warm-air drier backwater interface 3, warm-air drier backwater interface left side is provided with cooling system for recycled exhaust gas backwater interface 4, and the position symmetrical with the backwater interface is provided with warm-air drier inlet valve 5.Thermostat intake pipe 6 is located at thermostat housing 1 rear end lower (Fig. 2), is 90 ° with thermostat water exit elbow 2, and compression pump backwater interface 7 is connected to thermostat housing 1 right side (Fig. 1).Be provided with valve body 11 in the thermostat housing water cavity, the valve body upper end is connected to cooling water inlet valve 8, and valve body lower end is connected to interior circulating water valve 9, and interior circulating-water valve student end is interior circulating water water outlet 10.Cooling system for recycled exhaust gas backwater interface 4, compression pump backwater interface 7, warm-air drier inlet valve 5 all communicate with water cavity in the fuel economizer bottom shell body 1, in water cavity inner valve body 11 paraffin are housed.When cooling water inlet valve 8 is closed, interior circulating water valve 9 is opened, the water cavity of engine cooling water in thermostat intake pipe 6 enters fuel economizer bottom shell body 1 drains into water tank by interior circulating water water outlet 10.When cooling water inlet valve 8 is opened, interior circulating water valve 9 is closed, engine cooling water enters to the water cavity 11 in the thermostat housing 1 through cooling system for recycled exhaust gas backwater interface 4, compression pump backwater interface 7, warm-air drier backwater interface 3, is expelled to water tank through thermostat water exit elbow 2.In order to monitor the temperature of cooling water, prevent that water temperature is too high, below warm-air drier inlet valve 5, be provided with cooling-water temperature sensor 12, water temperature occurs and can send warning message when unusual.
On cylinder head, thermostat intake pipe 6 communicates with the water jacket of cylinder cap the thermostat device by bolt.During engine start, cooling water enters in the thermostat housing water cavity from thermostat intake pipe 6 in the cylinder cap water jacket under the water pump effect.Because water temperature is lower, the paraffin in the thermostat housing water cavity valve body 11 is in curdled appearance, and cooling water inlet valve 8 is in closed condition, and this moment, the cooling water of motor carried out short circle.Be that cooling water flows back to the cylinder cap water jacket by interior circulating water water outlet 10, this moment, cooling water was only in the engine interior circulation, so that reach hot as early as possible car purpose.Along with the prolongation of engine running time, cooling water temperature raises, and this moment, the paraffin of thermostat inside melted expansion gradually.Interior circulating water valve 9 and cooling water inlet valve 8 are moved down by the effect of paraffin expansive force simultaneously, interior circulating water valve 9 blocks interior circulating water water outlet 10, and cooling water inlet valve 8 is opened, the engine cooling water of high temperature enters the water tank cooling through thermostat intake pipe 6 and water exit elbow 2 at this moment, and this moment, engine cooling water was in normal circulation.This path is a thermostat cooling water major cycle passage.In order to guarantee the cooling of motor auxiliary accessory (mainly being air compressor and egr system), enter separately system by the cooling system for recycled exhaust gas backwater interface 4 on the thermostat housing, compression pump backwater interface 7, warm-air drier inlet valve 5 etc. respectively from the cooling water of cylinder cap water jacket.When mainly using in the winter time, for operator cabin provides thermal source such as warm air system.After warm-air drier inlet valve 5 was opened, hot water entered the warm air system of automobile, and backwater flows back to thermostat again through warm-air drier backwater interface 3.Flow in cooling water and the interior cooling water of motor and the thermostat device in the annex and fully mix, the open and close by thermostatic valve circulate accordingly.
Claims (5)
1. used for diesel engine thermostat device, has the thermostat housing, the thermostat water exit elbow, warm-air drier backwater interface, cooling system for recycled exhaust gas backwater interface, the warm-air drier inlet valve, the thermostat intake pipe, compression pump backwater interface, the cooling water inlet valve, interior circulating water valve, interior circulating water water outlet, paraffin and cooling-water temperature sensor, the top that it is characterized in that thermostat housing (1) is provided with thermostat water exit elbow (2), the back side of water exit elbow is provided with warm-air drier backwater interface (3), warm-air drier backwater interface left side is provided with cooling system for recycled exhaust gas backwater interface (4), the position symmetrical with the backwater interface is provided with warm-air drier inlet valve (5), thermostat intake pipe (6) is located at thermostat housing (1) rear end lower, be 90 ° with thermostat water exit elbow (2), compression pump backwater interface (7) is connected to thermostat housing (1) right side, be provided with valve body (11) in the thermostat housing water cavity, the valve body upper end is connected to cooling water inlet valve (8), valve body lower end is connected to interior circulating water valve (9), and interior circulating-water valve student end is interior circulating water water outlet (10).
2. according to the described used for diesel engine thermostat of claim 1 device, it is characterized in that described cooling system for recycled exhaust gas backwater interface (4), compression pump backwater interface (7), warm-air drier inlet valve (5) all with described fuel economizer bottom shell body (1) in water cavity communicate, in described water cavity inner valve body (11), paraffin is housed.
3. according to claim 1 or 2 described used for diesel engine thermostat devices, it is characterized in that described cooling water inlet valve (8) is closed, described interior circulating water valve (9) is opened, the water cavity of engine cooling water in described thermostat intake pipe (6) enters described fuel economizer bottom shell body (1) drains into water tank by circulating water water outlet (10) in described.
4. according to claim 1 or 2 described used for diesel engine thermostat devices, it is characterized in that described cooling water inlet valve (8) is opened, interior circulating water valve (9) is closed, engine cooling water enters to water cavity (11) in the described thermostat housing (1) through described cooling system for recycled exhaust gas backwater interface (4), compression pump backwater interface (7), warm-air drier backwater interface (3), is expelled to water tank through described thermostat water exit elbow (2).
5. according to claim 1 or 2 described used for diesel engine thermostat devices, it is characterized in that being provided with cooling-water temperature sensor (12) in the below of described warm-air drier inlet valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100305415A CN102052141A (en) | 2011-01-28 | 2011-01-28 | Thermostat device for diesel engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100305415A CN102052141A (en) | 2011-01-28 | 2011-01-28 | Thermostat device for diesel engine |
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| CN102052141A true CN102052141A (en) | 2011-05-11 |
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| CN2011100305415A Pending CN102052141A (en) | 2011-01-28 | 2011-01-28 | Thermostat device for diesel engine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016132A (en) * | 2011-09-22 | 2013-04-03 | 雅马哈发动机株式会社 | Saddle type vehicle |
| CN103061860A (en) * | 2011-10-18 | 2013-04-24 | 通用汽车环球科技运作有限责任公司 | Wax-type thermostat with wax overheating safety means |
| CN107013306A (en) * | 2017-03-24 | 2017-08-04 | 林晓峰 | Engine thermostat is uncapped the temperature control of circulation |
| CN107186395A (en) * | 2017-06-15 | 2017-09-22 | 山东大学 | A kind of reinforcing rib meter cooling protection device |
| CN110118119A (en) * | 2019-04-17 | 2019-08-13 | 东风朝阳朝柴动力有限公司 | Diesel engine temperature saving device structure and assembly method |
| CN111022172A (en) * | 2019-11-28 | 2020-04-17 | 哈尔滨东安汽车动力股份有限公司 | Double-ball valve type integrated thermal management module |
| CN114427492A (en) * | 2022-01-25 | 2022-05-03 | 浙江新柴股份有限公司 | Novel diesel engine cooling system |
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| CN2742157Y (en) * | 2004-10-12 | 2005-11-23 | 长安汽车（集团）有限责任公司 | Composite temperature regulator module for engine |
| CN101476503A (en) * | 2008-11-26 | 2009-07-08 | 重庆长安汽车股份有限公司 | Water temperature controlling mechanism of engine cooling circulating system |
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| CN201560836U (en) * | 2009-11-12 | 2010-08-25 | 潍柴动力股份有限公司 | Composite water outlet pipe of diesel engine |
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| CN201916039U (en) * | 2011-01-28 | 2011-08-03 | 东风朝阳柴油机有限责任公司 | Thermostat device for diesel engine |
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2011
- 2011-01-28 CN CN2011100305415A patent/CN102052141A/en active Pending
Patent Citations (7)
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| CN2742157Y (en) * | 2004-10-12 | 2005-11-23 | 长安汽车（集团）有限责任公司 | Composite temperature regulator module for engine |
| CN101476503A (en) * | 2008-11-26 | 2009-07-08 | 重庆长安汽车股份有限公司 | Water temperature controlling mechanism of engine cooling circulating system |
| CN101545396A (en) * | 2009-05-07 | 2009-09-30 | 重庆长安汽车股份有限公司 | Small circulation structure for cooling system of automobile engine |
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| CN201560836U (en) * | 2009-11-12 | 2010-08-25 | 潍柴动力股份有限公司 | Composite water outlet pipe of diesel engine |
| CN201627631U (en) * | 2009-12-31 | 2010-11-10 | 浙江吉利汽车研究院有限公司 | Engine cooling system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016132A (en) * | 2011-09-22 | 2013-04-03 | 雅马哈发动机株式会社 | Saddle type vehicle |
| CN103016132B (en) * | 2011-09-22 | 2015-07-22 | 雅马哈发动机株式会社 | Saddle type vehicle |
| CN103061860A (en) * | 2011-10-18 | 2013-04-24 | 通用汽车环球科技运作有限责任公司 | Wax-type thermostat with wax overheating safety means |
| CN103061860B (en) * | 2011-10-18 | 2016-08-10 | 通用汽车环球科技运作有限责任公司 | There is the wax pattern thermostat of wax overtemperature protection system |
| CN107013306A (en) * | 2017-03-24 | 2017-08-04 | 林晓峰 | Engine thermostat is uncapped the temperature control of circulation |
| CN107186395A (en) * | 2017-06-15 | 2017-09-22 | 山东大学 | A kind of reinforcing rib meter cooling protection device |
| CN110118119A (en) * | 2019-04-17 | 2019-08-13 | 东风朝阳朝柴动力有限公司 | Diesel engine temperature saving device structure and assembly method |
| CN111022172A (en) * | 2019-11-28 | 2020-04-17 | 哈尔滨东安汽车动力股份有限公司 | Double-ball valve type integrated thermal management module |
| CN114427492A (en) * | 2022-01-25 | 2022-05-03 | 浙江新柴股份有限公司 | Novel diesel engine cooling system |
| CN114427492B (en) * | 2022-01-25 | 2022-12-27 | 浙江新柴股份有限公司 | Novel diesel engine cooling system |
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Application publication date: 20110511 |