CN207261089U - A kind of vehicle waste heat recycling and air conditioner refrigerating combined cycle system - Google Patents
A kind of vehicle waste heat recycling and air conditioner refrigerating combined cycle system Download PDFInfo
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- CN207261089U CN207261089U CN201721352543.5U CN201721352543U CN207261089U CN 207261089 U CN207261089 U CN 207261089U CN 201721352543 U CN201721352543 U CN 201721352543U CN 207261089 U CN207261089 U CN 207261089U
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- China
- Prior art keywords
- working medium
- valve
- evaporator
- tail gas
- waste heat
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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
Abstract
It the utility model is related to a kind of vehicle waste heat recycling and air conditioner refrigerating combined cycle system, working medium is pressurized in working medium pump in the course of work, tail gas energy and expansion work are absorbed to improve engine efficiency, the working medium being condensed after expansion is depressured by expansion valve, evaporate in a low voltage state and air is cooled down, be passed through through overcooled air in compartment and adjust compartment temperature.The beneficial effects of the utility model are to be combined with mounted air conditioner system using the residual neat recovering system of similar quality working medium, and it can be needed to make system between combined-circulation, independent air-conditioning work, independent residual neat recovering system work three states switch according to tail gas state and passenger, reduce system unit, contribution is made that in traveling economy, driver comfort, the discharge of reduction vehicle, engine power expansion, system compact vehicle lightweight etc., and the complexity reequiped is smaller.
Description
Technical field
The utility model belongs to technical field of internal combustion engines, and in particular to develops a kind of vehicle waste heat recycling and is answered with air conditioner refrigerating
Close the circulatory system.
Background technology
Nowadays the fast development of social economy be unable to do without the support of the energy, and energy demand increasingly increases that to result in the energy tight
The various problems such as scarce and environmental pollution.For internal combustion engine as a kind of important energy conversion device, its transfer efficiency is relatively low, most of
Energy is lost in the form of heat, and wherein tail gas carries big energy, and the recycling of tail gas energy is considered as that raising is started
One important method of engine efficiency, wherein organic Rankine bottoming cycle are closed extensively as vehicle-mounted technological means is best suited for
Note.
But the organic Rankine bottoming cycle residual neat recovering system of arrangement complete set can take certain exceptional space, or even influence
Originally the arrangement form of in-car parts, increases Innovation Input and cycle, and excessive parts can increase manufacture cost, right
Vehicle lightweight is unfavorable.
The content of the invention
The utility model aim is to provide a kind of vehicle waste heat recycling and air conditioner refrigerating combined cycle system, will utilize similar
The residual neat recovering system of property working medium is combined with mounted air conditioner system, reduce system unit, and can according to tail gas state with
Passenger needs to make system between combined-circulation, independent air-conditioning work, independent residual neat recovering system work three states switch.
To realize above-mentioned target, the utility model takes following technical solution：A kind of vehicle waste heat recycling and sky are provided
Cold combined cycle system is modulated, the system is by engine 1, after-treatment device 2, tail gas by-passing valve 3, residual evaporator working medium entrances
Valve 4, residual evaporator sender property outlet valve 5, waste heat from tail gas evaporator 6, expanding machine 7, waste heat by-passing valve 8, condenser 9, cooling wind
Fan 10, fluid reservoir 11, the cold working medium entrances valve 12 of expanding machine, expansion valve 13, refrigeration by-passing valve 14, refrigerating evaporator 15, air blower
16 and working medium pump 17 form.
In the utility model the gas inlet end of waste heat from tail gas evaporator 6 and tail gas by-passing valve 3 merge after with 1 row of engine
Tracheae is connected, and is connected after the offgas outlet end merging of waste heat from tail gas evaporator 6 and tail gas by-passing valve 3 with after-treatment device 2, waste heat
Evaporator working medium entrances valve 4 is connected with waste heat from tail gas evaporator 6, waste heat from tail gas evaporator 6 and residual evaporator sender property outlet valve 5
Be connected, residual evaporator sender property outlet valve 5 is connected with 7 working medium entrances end of expanding machine, 7 sender property outlet end of expanding machine respectively with waste heat
By-passing valve 8 is connected with 9 working medium entrances end of condenser, and cooling fan 10 is arranged in by condenser 9,9 sender property outlet end of condenser with
11 working medium entrances end of fluid reservoir is connected, 11 sender property outlet end of fluid reservoir respectively working medium entrances valve 12 cold with expanding machine, expansion valve 13,
14 working medium entrances end of refrigeration by-passing valve is connected, and the cold 12 sender property outlet end of working medium entrances valve of expanding machine is connected with expanding machine 7, expansion valve
13 sender property outlet ends are connected with 15 working medium entrances end of refrigerating evaporator, and air blower 16 is arranged in 15 air outlet slit of refrigerating evaporator
Side, 15 sender property outlet end of refrigerating evaporator merge with refrigeration by-passing valve 14 sender property outlet end after with 17 working medium entrances end phase of working medium pump
Even, 17 sender property outlet end of working medium pump is connected with residual evaporator working medium entrances valve 4 and waste heat by-passing valve 8 respectively.
The principle of the utility model is：Liquid refrigerant is pressurized to high pressure conditions by working medium pump 17, and high-pressure liquid working medium is passed through
The tail gas energy that waste heat from tail gas evaporator 6 absorbs engine 1 becomes high-pressure gaseous working medium, and enters in expanding machine 7 and expand and right
Outer acting, enters in condenser 9 after adequately expanded organic working medium discharge and is cooled to liquid by head-on wind, opened if deficiency in draught
Opening cooling fan 10 and accelerate cooling, liquid refrigerant expands decompression after filtering out impurity in fluid reservoir 11 in expansion valve 13,
With after absorbing surrounding air heat of vaporization in refrigerating evaporator 15, reduced by the air themperature of absorption heat, air blower 16 will
Cryogenic air, which is passed through in compartment, adjusts compartment temperature, and the working medium absorbed heat in refrigerating evaporator 15, which is passed into working medium pump 17, to be started
Circulate next time；Working medium can not be heated to gaseous state as 1 tail gas energy of engine is less and be unfavorable for circular work, then can closed
Residual evaporator working medium entrances valve 4, opens tail gas by-passing valve 3 and waste heat by-passing valve 8, air-conditioning refrigeration system is worked independently, and
Tail gas is directly discharged by tail gas by-passing valve 3；As car owner need not open air conditioner refrigerating, then expansion valve 13 and air blower can be closed
16, refrigeration by-passing valve 14 is opened, avoids refrigerating part in circulation from participating in work；When organic Rankine bottoming cycle starts, tail gas bypass
Valve 3 is closed is passed through waste heat from tail gas evaporator 6 by tail gas, while residual evaporator working medium entrances valve 4 and residual evaporator working medium go out
Mouthful valve 5 is closed, and working medium in waste heat from tail gas evaporator 6 is heated supercharging in sealing space, is opened when pressure reaches Appropriate
Residual evaporator sender property outlet valve 5 make high-pressure working medium be passed through in expanding machine 7 promote expanding machine 7 start to do work；When engine 1 enters
The relatively low tail gas of energy absorbs heat heating in waste heat from tail gas evaporator 6 during Smaller load, utilizes the thermal inertia of waste heat from tail gas evaporator 6
Exhaust temperature can be made to reach the efficient temperature window of post processing in a short time；In order to improve the efficiency of expanding machine 7, make first swollen
Even if the pressure that the working medium in swollen machine 7 crosses at the end of expansion expansion is less than condensing pressure, so that externally acting as much as possible,
The expansion latter stage of expanding machine 7 is in due course sprayed into liquid cold working medium in expanding machine 7 using the cold working medium entrances valve 12 of expanding machine, cold working medium
Endothermic gasification supercharging continues to press on expanding machine 7 and does work, and the energy after expansion entrained by lack of gas is fully utilized.
The utility model has the advantage that to be had with good effect：The residual neat recovering system and car of similar quality working medium will be utilized
Carry air-conditioning system to be combined, and can need to make system in combined-circulation, independent air-conditioning work, list according to tail gas state and passenger
Switch between three states of only residual neat recovering system work, reduce system unit, in traveling economy, driver comfort, reduction
Vehicle discharge, engine power expansion, system compact vehicle lightweight etc. are made that contribution, and the complicated journey reequiped
Degree is smaller.
Brief description of the drawings
Fig. 1 is a kind of recycling of vehicle waste heat and the structure diagram of air conditioner refrigerating combined cycle system.
Wherein：Engine 1, after-treatment device 2, tail gas by-passing valve 3, residual evaporator working medium entrances valve 4, residual evaporator
Sender property outlet valve 5, waste heat from tail gas evaporator 6, expanding machine 7, waste heat by-passing valve 8, condenser 9, cooling fan 10, fluid reservoir 11,
The cold working medium entrances valve 12 of expanding machine, expansion valve 13, refrigeration by-passing valve 14, refrigerating evaporator 15, air blower 16 and working medium pump 17.
Embodiment
Technical solutions of the utility model are further elaborated below in conjunction with attached drawing：
As shown in Figure 1, the utility model is by engine 1, after-treatment device 2, tail gas by-passing valve 3, residual evaporator working medium
It is inlet valve 4, residual evaporator sender property outlet valve 5, waste heat from tail gas evaporator 6, expanding machine 7, waste heat by-passing valve 8, condenser 9, cold
But the cold working medium entrances valve 12 of fan 10, fluid reservoir 11, expanding machine, expansion valve 13, refrigeration by-passing valve 14, refrigerating evaporator 15, drum
Wind turbine 16 and working medium pump 17 form.
The utility model provides a kind of vehicle waste heat recycling and air conditioner refrigerating combined cycle system, and wherein waste heat from tail gas evaporates
The gas inlet end of device 6 and tail gas by-passing valve 3 is connected after merging with 1 exhaust pipe of engine, by waste heat from tail gas evaporator 6 and tail gas
The offgas outlet end of port valve 3 is connected after merging with after-treatment device 2, and residual evaporator working medium entrances valve 4 is evaporated with waste heat from tail gas
Device 6 be connected, waste heat from tail gas evaporator 6 is connected with residual evaporator sender property outlet valve 5, residual evaporator sender property outlet valve 5 with it is swollen
Swollen 7 working medium entrances end of machine is connected, 7 sender property outlet end of expanding machine respectively with 9 working medium entrances end phase of waste heat by-passing valve 8 and condenser
Even, cooling fan 10 is arranged in by condenser 9, and 9 sender property outlet end of condenser is connected with 11 working medium entrances end of fluid reservoir, fluid reservoir
Working medium entrances valve 12 cold with expanding machine, expansion valve 13,14 working medium entrances end of refrigeration by-passing valve are connected respectively at 11 sender property outlet ends,
The cold 12 sender property outlet end of working medium entrances valve of expanding machine is connected with expanding machine 7,13 sender property outlet end of expansion valve and refrigerating evaporator 15
Working medium entrances end is connected, and air blower 16 is arranged in 15 air outlet slit side of refrigerating evaporator, 15 sender property outlet end of refrigerating evaporator with
Refrigeration by-passing valve 14 sender property outlet end is connected after merging with 17 working medium entrances end of working medium pump, 17 sender property outlet end of working medium pump respectively with
Residual evaporator working medium entrances valve 4 is connected with waste heat by-passing valve 8.
The specific working mode of device is as follows：
In the startup of engine 1 and idling stage, the tail gas energy of engine 1 is smaller, unlatching tail gas by-passing valve 3, more than closing
Hot vaporizer working medium entrances valve 4, makes tail gas directly be discharged by tail gas by-passing valve 3, such as needs air conditioner refrigerating to open waste heat at this time
By-passing valve 8 makes air-conditioning refrigeration system work independently；Start to start residual neat recovering system, tail gas by-passing valve when tail gas energy is enough
Tail gas is passed through waste heat from tail gas evaporator 6, while residual evaporator working medium entrances valve 4 and residual evaporator sender property outlet by 3 closings
Valve 5 is closed, and working medium in waste heat from tail gas evaporator 6 is heated supercharging in sealing space, opened when reaching unfavourable pressure value more than
Hot vaporizer sender property outlet valve 5 make high-pressure working medium be passed through in expanding machine 7 promote expanding machine 7 start to do work, at this time according to air-conditioning system
Whether cooling system, which works, is turned on and off waste heat by-passing valve 8, when expanding machine 7 reaches target operating condition i.e. residual neat recovering system operation surely
Waste heat by-passing valve 8 is closed after fixed, and working medium pump 17, cooling fan 10 etc. is entered working status；When the combined-circulation mould of system
After formula starts, liquid refrigerant is pressurized to high pressure conditions by working medium pump 17, and high-pressure liquid working medium is passed through waste heat from tail gas evaporator 6 and absorbs
The tail gas energy of engine 1 becomes high-pressure gaseous working medium, and enters and expand in expanding machine 7 and externally do work, adequately expanded to have
Enter after the discharge of machine working medium in condenser 9 and liquid be cooled to by head-on wind, opened if deficiency in draught cooling fan 10 accelerate it is cold
But, liquid refrigerant expands decompression after filtering out impurity in fluid reservoir 11 in expansion valve 13, with after refrigerating evaporator 15
Middle absorption surrounding air heat of vaporization, is reduced, Cryogenic air is passed through in compartment by air blower 16 by the air themperature of absorption heat
Compartment temperature is adjusted, the working medium absorbed heat in refrigerating evaporator 15, which is passed into working medium pump 17, to be started to circulate next time；In order to carry
The efficiency of highly expanded machine 7, even if making the pressure that the working medium in expanding machine 7 is crossed at the end of expansion expansion be less than condensing pressure first,
So as to externally acting as much as possible, the cold working medium entrances valve 12 of expanding machine is utilized in due course by liquid in the expansion latter stage of expanding machine 7
Cold working medium is sprayed into expanding machine 7, and cold working medium endothermic gasification supercharging continues to press on expanding machine 7 and does work, and is made after expansion entrained by lack of gas
Energy be fully utilized；As car owner need not open air conditioner refrigerating, then expansion valve 13 and air blower 16 can be closed, open system
Cold by-passing valve 14, avoids refrigerating part in circulation from participating in work；As 1 operating mode of engine change tail gas energy is less can not be by work
Matter is heated to gaseous state and is unfavorable for circular work, then can close residual evaporator working medium entrances valve 4, opens waste heat by-passing valve 8, makes
Air-conditioning refrigeration system works independently, and tail gas by-passing valve 3 is closed when the Temperature of Working in waste heat from tail gas evaporator 6 is sufficiently high, this
Tail gas relatively low Shi Nengliang absorbs heat heating in waste heat from tail gas evaporator 6, can make tail using the thermal inertia of waste heat from tail gas evaporator 6
Temperature degree reaches the efficient temperature window of post processing in a short time, can when tail gas energy is enough to reduce pollutant emission
Residual neat recovering system is restarted in a manner described；Waste heat by-passing valve 8 is opened after engine 1, which is shut down, to stop working, utilizes condensation
Liquid refrigerant in device 9 and fluid reservoir 11 supplements residual evaporator 6, avoids residual evaporator 6 from producing in cooling procedure
Raw negative pressure causes hydraulic performance decline.
Engine exhaust heat energy is introduced by taking tail gas energy as an example in the utility model, in practical applications can to EGR,
The energy such as charge air cooler are recycled.
Claims (1)
1. a kind of recycling of vehicle waste heat and air conditioner refrigerating combined cycle system, its mainly by engine (1), after-treatment device (2),
Tail gas by-passing valve (3), residual evaporator working medium entrances valve (4), residual evaporator sender property outlet valve (5), waste heat from tail gas evaporator
(6), expanding machine (7), waste heat by-passing valve (8), condenser (9), cooling fan (10), fluid reservoir (11), the cold working medium of expanding machine enter
Mouth valve (12), expansion valve (13), refrigeration by-passing valve (14), refrigerating evaporator (15), air blower (16) and working medium pump (17) composition；
The gas inlet end of waste heat from tail gas evaporator (6) and tail gas by-passing valve (3) is connected after merging with engine (1) exhaust pipe, tail gas
The offgas outlet end of residual evaporator (6) and tail gas by-passing valve (3) is connected after merging with after-treatment device (2), residual evaporator
Working medium entrances valve (4) is connected with waste heat from tail gas evaporator (6), waste heat from tail gas evaporator (6) and residual evaporator sender property outlet valve
(5) it is connected, residual evaporator sender property outlet valve (5) is connected with expanding machine (7) working medium entrances end, expanding machine (7) sender property outlet end
It is connected respectively with waste heat by-passing valve (8) and condenser (9) working medium entrances end, cooling fan (10) is arranged in condenser (9) side, cold
Condenser (9) sender property outlet end is connected with fluid reservoir (11) working medium entrances end, fluid reservoir (11) sender property outlet end respectively with expanding machine
Cold working medium entrances valve (12), expansion valve (13), refrigeration by-passing valve (14) working medium entrances end are connected, the cold working medium entrances valve of expanding machine
(12) sender property outlet end is connected with expanding machine (7), expansion valve (13) sender property outlet end and refrigerating evaporator (15) working medium entrances end
It is connected, air blower (16) is arranged in refrigerating evaporator (15) air outlet slit side, refrigerating evaporator (15) sender property outlet end and refrigeration
By-passing valve (14) sender property outlet end is connected after merging with working medium pump (17) working medium entrances end, working medium pump (17) sender property outlet end difference
It is connected with residual evaporator working medium entrances valve (4) and waste heat by-passing valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721352543.5U CN207261089U (en) | 2017-10-19 | 2017-10-19 | A kind of vehicle waste heat recycling and air conditioner refrigerating combined cycle system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721352543.5U CN207261089U (en) | 2017-10-19 | 2017-10-19 | A kind of vehicle waste heat recycling and air conditioner refrigerating combined cycle system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207261089U true CN207261089U (en) | 2018-04-20 |
Family
ID=61918022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721352543.5U Expired - Fee Related CN207261089U (en) | 2017-10-19 | 2017-10-19 | A kind of vehicle waste heat recycling and air conditioner refrigerating combined cycle system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207261089U (en) |
-
2017
- 2017-10-19 CN CN201721352543.5U patent/CN207261089U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180420 Termination date: 20201019 |
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| CF01 | Termination of patent right due to non-payment of annual fee |