CN103867285B - retarder cooling system - Google Patents
retarder cooling system Download PDFInfo
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- CN103867285B CN103867285B CN201410079995.5A CN201410079995A CN103867285B CN 103867285 B CN103867285 B CN 103867285B CN 201410079995 A CN201410079995 A CN 201410079995A CN 103867285 B CN103867285 B CN 103867285B
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Abstract
The invention discloses a kind of retarder cooling system, the present invention includes radiator, electromotor, variator, water pump, retarder and heat exchanger, also include the thermoregulator being provided with the first cavity and the second cavity, described first cavity is provided with cooling water intake and cooling water outlet, described second cavity is provided with water inlet of hot water, systemic circulation interface and partial circulating interface, connected by connecting tube between described first cavity and the second cavity, be provided with in described first cavity for controlling the first valve etc. that connecting tube opens or closes.The present invention not only makes simple in construction small and exquisite, and action and retarder linkage, it is ensured that retarder is dispelled the heat rapidly.
Description
Technical field
The present invention relates to the cooling technology field of retarder, be specially a kind of retarder cooling system.
Background technology
Retarder is started by operating handle, and heating power is up to 200-600 kilowatt during operation, it is necessary to quick heat radiating, and oil temperature should be controlled in less than 160 degree, to avoid fluid to go bad.Its tradition cool cycles main road line is: engine water outlet, and------systemic circulation (radiator)/partial circulating--water pump--electromotor water inlet, the core of this scheme is to be connected engine cool system and retarder heat exchanger main channel by tradition waxtype thermostat to thermostat to retarder heat exchanger.For preventing retarder from producing fluid problems of excessive heat, the problem namely solving retarder quick heat radiating, while increasing thermostat flow, it is reduced to 76 degree by opening temperature at the beginning of the thermostat in circulation road from 82 degree--because retarder only needs to play a role during long descending.So, because of the setting of 76 degree, during causing non-long descending, engine water temperature is too low, causes oil consumption increase and deterioration of emission.The shortcoming of existing retarder thermoregulator scheme, except engine operating temperature reduces, outside being unfavorable for that engine energy-saving reduces discharging；Further, because the sensitivity of traditional wax formula thermoregulator is poor, when retarder is got involved, systemic circulation flow can not be increased rapidly, retarder has to take the measure of restriction braking moment, with adapt to thermoregulator sensitivity, thus limit the function of retarder at the braking initial stage.
Summary of the invention
The invention aims to overcome above-mentioned a kind of retarder cooling system that retarder can be made to obtain heat radiation rapidly of not enough offer.
The present invention includes radiator, electromotor, variator, water pump, retarder and heat exchanger, also include the thermoregulator being provided with the first cavity and the second cavity, described first cavity is provided with cooling water intake and cooling water outlet, described second cavity is provided with water inlet of hot water, systemic circulation interface and partial circulating interface, connected by connecting tube between described first cavity and the second cavity, the first valve for controlling connecting tube and cooling water outlet flow it is provided with in described first cavity, the second valve for controlling water inlet of hot water and partial circulating interface flow it is provided with in described second cavity, described engine water outlet is connected with cooling water intake by water pipe, described cooling water outlet is connected with the water inlet of heat exchanger by heat exchanger water inlet pipe, the outlet of described heat exchanger is connected with water inlet of hot water by heat exchanger outlet pipe, described systemic circulation interface is connected with the water inlet of radiator by radiator inleting pipe, described partial circulating interface is connected with electromotor bypass circulation, converge with water pump after radiator outlet pipe is in parallel with electromotor bypass circulation, described water pump is connected with the water inlet of electromotor by water pipe.
The present invention is integrated with a big flow, low flow resistance, pressure balance wax formula thermoregulator core；The second valve that one pneumatic or linear electric motors drive.Retarder is duration of work not, and the loop of Retarder heat exchanger is disconnected, and this device performs the function of conventional waxes formula thermoregulator, the flow according to the circulation of water temperature allocated size.While retarder starts; the second valve that power source drives cuts off rapidly or reduces the control passage of tradition thermoregulator; it is also turned on the series loop of Retarder heat exchanger; make coolant from engine water outlet; flow through the series loop of Retarder heat exchanger; wholly or largely directly arrive systemic circulation and warm braw pipeline, cut off or distribution small part flow is to partial circulating, to guarantee that retarder duration of work obtains bigger coolant rate and maximum systemic circulation heat radiation power.Have employed the loop of Retarder in the design shared with the direct UNICOM in systemic circulation road of conventional waxes formula thermoregulator simultaneously, simplify pipeline arranging structure, not only make simple in construction small and exquisite, and action and retarder linkage, it is ensured that retarder is dispelled the heat rapidly.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is retarder schematic diagram of thermoregulator when not working.
The schematic diagram of thermoregulator when Fig. 3 is retarder work.
Detailed description of the invention
The present invention is further illustrated below in conjunction with drawings and Examples.
Embodiment: the present invention includes radiator 8, electromotor 9, variator 10, water pump 6, retarder 11 and heat exchanger 5, and electromotor 9, variator 10, retarder 11 and heat exchanger 5 are according to being sequentially connected.It also includes the thermoregulator 2 being provided with the first cavity 2a and the second cavity 2b, described first cavity 2a is provided with cooling water intake 2e and cooling water outlet 2f, described second cavity 2b is provided with water inlet of hot water 2c, systemic circulation interface 2d and partial circulating interface 2g, connected by connecting tube 2h between described first cavity 2a and the second cavity 2b, the first valve 2i for controlling connecting tube 2h and cooling water outlet 2f switch it is provided with in described first cavity 2a, the second valve 2j for controlling water inlet of hot water 2c and partial circulating interface 2g switch it is provided with in described second cavity 2b, described electromotor 9 outlet is connected with cooling water intake 2e by water pipe, described cooling water outlet 2f is connected with the water inlet of heat exchanger 5 by heat exchanger water inlet pipe 4, the outlet of described heat exchanger 5 is connected with water inlet of hot water 2c by heat exchanger outlet pipe 3, described systemic circulation interface 2d is connected with the water inlet of radiator 8 by radiator inleting pipe 1, described partial circulating interface 2g is connected with electromotor bypass circulation 7, converge with water pump 6 after radiator outlet pipe 12 is in parallel with electromotor bypass circulation 7, described water pump 6 is connected with the water inlet of electromotor 9 by water pipe.Described first valve 2i upper end is connected to power source 111 by valve rod 2k, and described first valve 2i upper end is fixed in the first cavity 2a by back-moving spring 2L.Described power source 111 is cylinder or linear electric motors or electromagnetic valve, but is not limited to above-mentioned three kinds of type of drive.Described second valve 2j is wax formula thermoregulator core body.
The action of the first valve 2i is controlled by the startup shutdown switch of retarder 11, the second valve 2j by the operating principle of wax formula thermoregulator realize traditional engine thermolator function.Layout to the first cavity 2a part will access the straight-through end of the main channel cut-in pressure balanced-type valve of heat exchanger 5, and seat design is become the conical surface flow guiding structure of low flow resistance, for adopting, towards the passage of the second cavity 2b part, the cylindrical wall direction controlling driving valve, drive valve can realize the flow-control to cylindrical wall direction passage when motion.Also by the valve of pressure balance type structure, large and small cycles control is realized for wax formula thermoregulator part, cylindrical wall direction controlling partial circulating, adopting in straight-through direction and the valve seat of similar structures in the first cavity 2a part, the export pipeline in valve seat direction connects the water inlet of radiator 8.Simultaneously the water route because accessing heat exchanger 5 need into be directly accessed radiator 8 after heat exchange, consider the complexity on radiator 8 entrance road, the function contrariety of the first cavity 2a and second cavity 2b two parts passage, it is connected directly straight-through with the export pipeline in the second cavity 2b part valve seat direction for this road, to realize accessing radiator 8 water inlet.
The startup of retarder 11 will produce substantial amounts of heat in the short time, heat exchanger 5 is now needed to dispel the heat in time, first valve 2i is because have employed driving device, meeting opens the passage of heat exchanger 5 in moment, cut off simultaneously or reduce the coolant flowing to connecting tube 2h, and allow the coolant full entry systemic circulation flowing through heat exchanger 5, namely radiator 8 is all flow through, so that the cooling capacity of heat exchanger 5 and radiator 8 obtains maximum performance, dispel the heat problem not in time thus solving retarder 11, when retarder 11 does not work, heat exchanger 5 dispels the heat also without to retarder 11, therefore the second valve 2j is adopted to cut off the coolant flowing to heat exchanger 8 in time, open connecting tube 2h and the path of partial circulating interface 2g simultaneously, now the cooling system 26S Proteasome Structure and Function of electromotor returns to traditional mode.
Above-described embodiment is the present invention preferably embodiment; but embodiments of the present invention are also not restricted to the described embodiments; the change made under other any spirit without departing from the present invention and principle, modification, replacement, combination, simplification; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (3)
1. a retarder cooling system: include radiator (8), electromotor (9), variator (10), water pump (6), retarder (11) and heat exchanger (5), it is characterized in that: also include being provided with the thermoregulator (2) of the first cavity (2a) and the second cavity (2b), described first cavity (2a) is provided with cooling water intake (2e) and cooling water outlet (2f), described second cavity (2b) is provided with water inlet of hot water (2c), systemic circulation interface (2d) and partial circulating interface (2g), by connecting tube (2h) connection between described first cavity (2a) and the second cavity (2b), the first valve (2i) for controlling connecting tube (2h) and cooling water outlet (2f) flow it is provided with in described first cavity (2a), the second valve (2j) for controlling water inlet of hot water (2c) and partial circulating interface (2g) flow it is provided with in described second cavity (2b), described electromotor (9) outlet is connected with cooling water intake (2e) by water pipe, described cooling water outlet (2f) is connected by the water inlet of heat exchanger water inlet pipe (4) with heat exchanger (5), the outlet of described heat exchanger (5) is connected with water inlet of hot water (2c) by heat exchanger outlet pipe (3), described systemic circulation interface (2d) is connected by the water inlet of radiator inleting pipe (1) with radiator (8), described partial circulating interface (2g) is connected with electromotor bypass circulation (7), converge with water pump (6) after radiator outlet pipe (12) is in parallel with electromotor bypass circulation (7), described water pump (6) is connected by the water inlet of water pipe with electromotor (9).
2. retarder cooling system according to claim 1, it is characterized in that described first valve (2i) upper end is connected to power source (111) by valve rod (2k), described first valve (2i) upper end is fixed in the first cavity (2a) by back-moving spring (2L).
3. retarder cooling system according to claim 1 and 2, it is characterised in that described second valve (2j) is controlled by wax formula thermoregulator core body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079995.5A CN103867285B (en) | 2014-03-06 | 2014-03-06 | retarder cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079995.5A CN103867285B (en) | 2014-03-06 | 2014-03-06 | retarder cooling system |
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| CN103867285A CN103867285A (en) | 2014-06-18 |
| CN103867285B true CN103867285B (en) | 2016-06-29 |
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| CN201410079995.5A Active CN103867285B (en) | 2014-03-06 | 2014-03-06 | retarder cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019151920A1 (en) * | 2018-01-31 | 2019-08-08 | Scania Cv Ab | A thermostat arrangement for a cooling system for a combustion engine |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104100352B (en) * | 2014-06-24 | 2016-10-05 | 东风富士汤姆森调温器有限公司 | Commercial car joins retarder flow control valve |
| CN104481662B (en) * | 2014-12-08 | 2017-03-08 | 陕西法士特齿轮有限责任公司 | A kind of car load cooling system for mating Retarder and control method |
| CN104669998B (en) * | 2015-03-16 | 2017-03-08 | 山东交通学院 | A kind of hybrid vehicle based on water retarder and its control method |
| CN105508657A (en) * | 2015-12-31 | 2016-04-20 | 芜湖佳景科技有限公司 | Valve structure for hydraulic retarder of heavy truck |
| CN112065564B (en) * | 2020-09-03 | 2021-10-01 | 一汽解放汽车有限公司 | Vehicle cooling system, control method and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3700037A1 (en) * | 1987-01-02 | 1988-07-21 | Voith Turbo Kg | Cooling system for a drive assembly |
| US6138618A (en) * | 1996-01-16 | 2000-10-31 | Wilo Gmbh | Radiator for a vehicle engine |
| CN2926530Y (en) * | 2006-05-10 | 2007-07-25 | 潍柴动力股份有限公司 | Improved heat exchanger of engine |
| CN202176398U (en) * | 2011-07-26 | 2012-03-28 | 重庆康明斯发动机有限公司 | Marine engine and cooling system thereof |
| CN203822444U (en) * | 2014-03-06 | 2014-09-10 | 东风富士汤姆森调温器有限公司 | Retarder cooling system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3777761B2 (en) * | 1997-12-03 | 2006-05-24 | 日産自動車株式会社 | Air vent structure for engine coolant circulation system |
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2014
- 2014-03-06 CN CN201410079995.5A patent/CN103867285B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3700037A1 (en) * | 1987-01-02 | 1988-07-21 | Voith Turbo Kg | Cooling system for a drive assembly |
| US6138618A (en) * | 1996-01-16 | 2000-10-31 | Wilo Gmbh | Radiator for a vehicle engine |
| CN2926530Y (en) * | 2006-05-10 | 2007-07-25 | 潍柴动力股份有限公司 | Improved heat exchanger of engine |
| CN202176398U (en) * | 2011-07-26 | 2012-03-28 | 重庆康明斯发动机有限公司 | Marine engine and cooling system thereof |
| CN203822444U (en) * | 2014-03-06 | 2014-09-10 | 东风富士汤姆森调温器有限公司 | Retarder cooling system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019151920A1 (en) * | 2018-01-31 | 2019-08-08 | Scania Cv Ab | A thermostat arrangement for a cooling system for a combustion engine |
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| CN103867285A (en) | 2014-06-18 |
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