CN105736607A - Cooling device for transmission fluid of automotive hydraulic retarder - Google Patents
Cooling device for transmission fluid of automotive hydraulic retarder Download PDFInfo
- Publication number
- CN105736607A CN105736607A CN201610209019.6A CN201610209019A CN105736607A CN 105736607 A CN105736607 A CN 105736607A CN 201610209019 A CN201610209019 A CN 201610209019A CN 105736607 A CN105736607 A CN 105736607A
- Authority
- CN
- China
- Prior art keywords
- vaporizer
- working medium
- condenser
- medium pump
- retarder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
Abstract
The invention discloses a cooling device for transmission fluid of an automotive hydraulic retarder. The cooling device for the transmission fluid of the automotive hydraulic retarder comprises an evaporator, wherein the evaporator and a working cavity of the hydraulic retarder form a heat source loop; a second outlet of the evaporator is successively connected with an expansion machine, a condenser, a fluid storage tank, a working medium pump and a second inlet of the evaporator to form a Rankine loop; the expansion machine is successively connected with an electricity generating and energy storing device and the working medium pump; the expansion machine is connected with a cooling fan; the cooling fan and the condenser are mounted together; temperature sensors are arranged at the first inlet and the first outlet of the evaporator and between the condenser and the fluid storage tank; temperature sensors and pressure sensors are successively arranged between the condenser and the expansion machine and between the expansion machine and the evaporator; a flow meter is arranged at an outlet of the working medium pump; the temperature sensors, the pressure sensors and the flow meter transmit signals to an ECU; and the ECU controls operation of the working medium pump. Waste heat of the hydraulic retarder can be utilized efficiently, the cooling effect is improved, braking of an automobile is reliable, and running safety is ensured.
Description
Technical field
The present invention relates to the cooling technology field of retarder, be specifically related to a kind of automobile-used Retarder transmission fluid chiller.
Background technology
Retarder is a derived type of fluid-flywheel clutch, when to carry out retarder brake, controlling system and the medium (machine oil) in oil groove pumps into the working chamber between stator and rotor, rotor is produced resistance by oil, make rotating speed of transmission shaft slow down, produce retarded acting.It relies on active wheel intracavity liquid to circulate the percussion to fixed wheel blade, vehicle energy is converted into liquid heat energy, again through certain cooling radiating mode, heat energy is distributed, thus realizing vehicle deceleration braking, kinetic energy when namely Retarder is by travelling vehicle is converted to the heat energy of transmission fluid thus reaching braking effect.For Retarder, as long as cooling system has enough heat-sinking capabilities, its slow ability is then unlimited, reflects the importance of the cooling system of retarder.
When the use of Retarder, transmission fluid via heat exchanger, makes heat be taken away by the coolant of engine-cooling system in outer loop process.The impact of this type of cooling meeting heated exchanger performance and the restriction of the current heat radiation power of vehicle, easily make oil temperature higher, thus affecting the reliability of its braking ability and service brake.Meanwhile, the used heat that auxiliary braking produces both was not efficiently used, and makes again engine-cooling system consume more multi-energy, causes energy waste.
Summary of the invention
It is an object of the invention to provide a kind of automobile-used Retarder transmission fluid chiller, this device, while efficiently utilizing Retarder used heat, improves cooling effect, makes car braking relatively reliable, it is ensured that traffic safety.
The technical solution adopted in the present invention is: a kind of automobile-used Retarder transmission fluid chiller, including vaporizer, first entrance of vaporizer is connected with the oil-out of the working chamber of Retarder, first outlet of vaporizer is connected with the oil-in of the working chamber of Retarder, with working oil (transmission fluid) for thermal source；Vaporizer second outlet successively with decompressor, condenser, fluid reservoir, working medium pump, vaporizer the second entrance is connected, formation Rankine loop；
Described decompressor is connected with generating and energy storage device, and described generating and energy storage device provides electric energy for working medium pump；Described decompressor is connected with cooling fan, together with cooling fan is installed in described condenser；
It is provided with temperature sensor in the first entrance of vaporizer, the first exit, temperature sensor it is provided with between condenser and fluid reservoir, temperature sensor, pressure transducer it is sequentially provided with between condenser and decompressor, between decompressor and vaporizer, it is sequentially provided with pressure transducer, temperature sensor, between working medium pump and the second entrance of vaporizer, is provided with effusion meter；
Signal is passed to electronic control unit ECU by all temperature sensors, pressure transducer, effusion meter, and described electronic control unit ECU is connected with working medium pump.
Further scheme is, is provided with gas-liquid separator between decompressor and the second outlet of vaporizer.
Working medium is deposited in fluid reservoir, drives via working medium pump, and working medium first flows through effusion meter, subsequently in vaporizer and the high temperature transmission fluid of Retarder carry out heat exchange, working medium is heated and is become steam；In order to prevent evaporation not exclusively, working substance steam is introduced into gas-liquid separator, enters back into decompressor, promotes decompressor work done；Then working medium enters condenser cooling, becomes liquid inflow fluid reservoir and carries out next round circulation.
Cooling fan and condenser integral installation, form condenser assembly.Decompressor axis installs belt pulley, adopts belt transmission output power, forms decompressor assembly.
The beneficial effects of the present invention is:
Being connected with the first entrance of vaporizer by the oil-out of the working chamber of Retarder, the oil-in of the working chamber of Retarder is connected with the first outlet of vaporizer, forms heat source loop, and vaporizer is for cooling down the transmission fluid of Retarder；Vaporizer second outlet successively with decompressor, condenser, fluid reservoir, working medium pump, vaporizer the second entrance be connected, form Rankine loop, by Rankine cycle, partial heat energy is converted to the mechanical energy of decompressor, for the heat of the transmission fluid of Retarder is recycled, thus reducing transmission fluid cooling energy consumption power consumption, reach energy-conservation purpose；Decompressor is connected with generating and energy storage device, working medium pump successively, the converting heat of the transmission fluid of Retarder is electric energy by decompressor, and it is stored in generating and energy storage device for working medium pump offer electric energy, decompressor is connected with cooling fan, a decompressor gained energy part is directly supplied to cooling fan with mechanical energy form, drives fan to rotate, and fan is condenser heat radiation, achieve the heat recycling of the transmission fluid of Retarder, energy-conservation environmental protection again；
Making full use of Rankine cycle circuit, improve heat exchange efficiency, increase unit are heat exchange amount, improve heat exchange efficiency, when making Retarder work, working solution (transmission fluid) range of temperature is less, and braking ability is more stable；
Working medium pump and cooling fan can adopt dual power supply mode of operation, when the electric energy of the storage of generating and energy storage device cannot meet the use of working medium pump and cooling fan, adopt external power supply to power；
The present invention constitutes alone a set of Retarder transmission fluid cooling system, car engine cooling system work is not had any impact, can reduce the thermic load of engine-cooling system；
The present invention can substitute the heat exchanger in current Retarder completely, utilize Rankine cycle principle, when making Retarder work, transmission fluid temperature controls more stable, reduce transmission fluid cooling energy consumption simultaneously, the transmission fluid heat energy of Retarder is recycled, reduces the purpose of car load energy consumption.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the circulation schematic diagram of the automobile-used Retarder transmission fluid chiller of the present invention；
Fig. 2 is the structural representation of the automobile-used Retarder transmission fluid chiller of the present invention.
Wherein: 1, fluid reservoir；2, working medium pump；3, effusion meter；4, vaporizer；5, gas-liquid separator；6, decompressor；7, condenser；8, cooling fan；9, Retarder；10, the first temperature sensor；11, the second temperature sensor；12, three-temperature sensor；15, the 4th temperature sensor；16, the 5th temperature sensor；13, the first pressure transducer；14, the second pressure transducer；17, generating and energy storage device.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Referring to Fig. 1, Fig. 2, a kind of automobile-used Retarder transmission fluid chiller, including vaporizer 4, first entrance of vaporizer 4 is connected with the oil-out of the working chamber of Retarder 9, first outlet of vaporizer 4 is connected with the oil-in of the working chamber of Retarder 9, with working oil (transmission fluid) for thermal source, working oil exits into the first entrance of vaporizer 4 from the oil-out of Retarder 9, after flowing out from the first outlet of vaporizer 4 after vaporizer 4 cools down, flow into Retarder 9 from the oil-in of Retarder 9；Vaporizer 4 second outlet successively with gas-liquid separator 5, decompressor 6, condenser 7, fluid reservoir 1, working medium pump 2, vaporizer 4 the second entrance is connected, formation Rankine loop；Decompressor 6 is connected with generating and energy storage device 17, and generating and energy storage device 17 provides electric energy for working medium pump 2；Decompressor 6 is connected with cooling fan 8, and cooling fan 8 forms condenser assembly together with being installed in condenser 7；The heat of the working oil of Retarder 9 is taken away by vaporizer 4, the working medium making liquid is vaporizated into the working medium of gaseous state, the working medium vaporized of being heated enters gas-liquid separator 5 from the second exit of vaporizer 4, after gas-liquid separator 5 carries out gas-liquid separation, working medium in gaseous state enters in decompressor 6, decompressor 6 absorbs the heat of working medium, after working medium enters and cools down in condenser 7 subsequently, inflow fluid reservoir 1 stores, the working medium of the liquid in fluid reservoir 1 pumps in vaporizer 4 through working medium pump, carries out the circulation of next round；The converting heat of working medium is mechanical energy and electric energy by decompressor 6, and mechanical energy gives cooling fan 8 by belt transport, thus driving cooling fan 8 to work, making cooling fan 8 dispel the heat for condenser 7, improving the condensation effect of working medium；Decompressor 6 is by the electrical power storage of generation in generating and energy storage device 17, and when needs working medium pump 2 works, generating and energy storage device 17 is powered for working medium pump 2；
First access point at vaporizer 4 is provided with the second temperature sensor 11, it is provided with the first temperature sensor 10 in the first exit of vaporizer 4, the 5th temperature sensor 16 it is provided with between condenser 7 and fluid reservoir 1, the 4th temperature sensor the 15, second pressure transducer 14 it is sequentially provided with between condenser 7 and decompressor 6, the first pressure transducer 13, three-temperature sensor 12 it is sequentially provided with between gas-liquid separator 5 and vaporizer 4, effusion meter 3 is placed in working medium pump 2 exit, for working medium flow in monitoring circuit；Second temperature sensor 11 is used for measuring uncooled Retarder transmission fluid temperature, and the first temperature sensor 10 is used for the sensing liquid temp after measuring cooling；Three-temperature sensor the 12, the 4th temperature sensor the 15, the 5th temperature sensor the 16, first pressure transducer the 13, second pressure transducer 14 is for monitoring the work in Rankine loop, in case operation irregularity；
Signal is passed to electronic control unit ECU, electronic control unit ECU and works according to the signal controlled medium pump 2 received by first temperature sensor the 10, second temperature sensor 11, three-temperature sensor the 12, the 4th temperature sensor the 15, the 5th temperature sensor the 16, first pressure transducer the 13, second pressure transducer 14, effusion meter 3.
In order to ensure that working medium pump 2 and the normal operation of cooling fan 8, described working medium pump 2 and cooling fan 8 are connected with generating and energy storage device 17 and external power supply respectively.
In Fig. 1, arrow direction is each circulation medium flow direction.
When vehicle is damped condition by non-brake condition of changing a job, this automobile-used Retarder transmission fluid chiller starts, and electronic control unit ECU controlled medium pump 2 drives organic working medium by the initial flow set.Subsequently, the pressure and temperature signal of working substance steam is transferred to electronic control unit ECU by the second pressure transducer 14 and three-temperature sensor 12 respectively.Through calculating, electronic control unit ECU determines now whether working medium evaporates just completely, the voltage according to result of calculation controlled medium pump, thus the flow of controlled medium pump, reduces the flow of working medium pump, until working medium is in just evaporating state completely.If superheating phenomenon, the flow of electronic control unit ECU controlled medium pump occurs in working substance steam, increase the flow of working medium pump, thus reducing the temperature of working substance steam.After working medium is in stable condition, transmission fluid temperature signal after cooling is transferred to electronic control unit ECU by the first temperature sensor 10, when temperature is lower than desired transmission liquid operating temperature 70 DEG C, electronic control unit ECU constantly reduces working medium pump flow, to meet temperature control requirement.
It should be appreciated that for those of ordinary skills, it is possible to improved according to the above description or converted, and all these are improved and convert the protection domain that all should belong to claims of the present invention.
Claims (2)
1. an automobile-used Retarder transmission fluid chiller, it is characterised in that: including vaporizer, the first entrance of vaporizer is connected with the oil-out of the working chamber of Retarder, and the first outlet of vaporizer is connected with the oil-in of the working chamber of Retarder；Vaporizer second outlet successively with decompressor, condenser, fluid reservoir, working medium pump, vaporizer the second entrance is connected, formation Rankine loop；
Described decompressor is connected with generating and energy storage device, and described generating and energy storage device provides electric energy for working medium pump；Described decompressor is connected with cooling fan, together with cooling fan is installed in described condenser；
It is provided with temperature sensor in the first entrance of vaporizer, the first exit, temperature sensor it is provided with between condenser and fluid reservoir, temperature sensor, pressure transducer it is sequentially provided with between condenser and decompressor, between decompressor and vaporizer, it is sequentially provided with pressure transducer, temperature sensor, between working medium pump and the second entrance of vaporizer, is provided with effusion meter；
Signal is passed to electronic control unit ECU by all temperature sensors, pressure transducer, effusion meter, and described electronic control unit ECU is connected with working medium pump.
2. automobile-used Retarder transmission fluid chiller as claimed in claim 1, it is characterised in that: between decompressor and the second outlet of vaporizer, it is provided with gas-liquid separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209019.6A CN105736607A (en) | 2016-04-06 | 2016-04-06 | Cooling device for transmission fluid of automotive hydraulic retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209019.6A CN105736607A (en) | 2016-04-06 | 2016-04-06 | Cooling device for transmission fluid of automotive hydraulic retarder |
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| Publication Number | Publication Date |
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| CN105736607A true CN105736607A (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610209019.6A Pending CN105736607A (en) | 2016-04-06 | 2016-04-06 | Cooling device for transmission fluid of automotive hydraulic retarder |
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| CN (1) | CN105736607A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108035991A (en) * | 2017-12-25 | 2018-05-15 | 深圳市特尔佳科技股份有限公司 | Monoblock type Retarder housing |
| CN108869589A (en) * | 2018-05-29 | 2018-11-23 | 三都苍泰科技有限公司 | A kind of Retarder 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 |
| CN110509906A (en) * | 2019-09-19 | 2019-11-29 | 深圳市特尔佳科技股份有限公司 | A kind of control system of the automobile-used Retarder of underground work |
| CN110745120A (en) * | 2019-09-19 | 2020-02-04 | 深圳市特尔佳科技股份有限公司 | Control system of hydraulic retarder for underground operation vehicle |
| US20220082143A1 (en) * | 2020-09-11 | 2022-03-17 | Hyundai Motor Company | Cooling system and method for auxiliary brake device of hydrogen fuel cell truck |
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| CN104595386A (en) * | 2014-07-08 | 2015-05-06 | 武汉理工大学 | Air loss reduction device for hydraulic retarder |
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Patent Citations (6)
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108035991A (en) * | 2017-12-25 | 2018-05-15 | 深圳市特尔佳科技股份有限公司 | Monoblock type Retarder housing |
| CN108869589A (en) * | 2018-05-29 | 2018-11-23 | 三都苍泰科技有限公司 | A kind of Retarder 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 |
| CN110509906A (en) * | 2019-09-19 | 2019-11-29 | 深圳市特尔佳科技股份有限公司 | A kind of control system of the automobile-used Retarder of underground work |
| CN110745120A (en) * | 2019-09-19 | 2020-02-04 | 深圳市特尔佳科技股份有限公司 | Control system of hydraulic retarder for underground operation vehicle |
| CN110745120B (en) * | 2019-09-19 | 2022-04-22 | 深圳市大为创新科技股份有限公司 | Control system of hydraulic retarder for underground operation vehicle |
| CN110509906B (en) * | 2019-09-19 | 2024-04-02 | 深圳市大为创新科技股份有限公司 | Control system of hydraulic retarder for underground operation vehicle |
| US20220082143A1 (en) * | 2020-09-11 | 2022-03-17 | Hyundai Motor Company | Cooling system and method for auxiliary brake device of hydrogen fuel cell truck |
| US11536339B2 (en) * | 2020-09-11 | 2022-12-27 | Hyundai Motor Company | Cooling system and method for auxiliary brake device of hydrogen fuel cell truck |
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Application publication date: 20160706 |