CN108437750A - Heat-energy utilizing device and application process and a kind of heat pump air conditioning system - Google Patents
Heat-energy utilizing device and application process and a kind of heat pump air conditioning system Download PDFInfo
- Publication number
- CN108437750A CN108437750A CN201810496271.9A CN201810496271A CN108437750A CN 108437750 A CN108437750 A CN 108437750A CN 201810496271 A CN201810496271 A CN 201810496271A CN 108437750 A CN108437750 A CN 108437750A
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- Prior art keywords
- channel
- heat
- pump air
- air conditioning
- utilizing device
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00007—Combined heating, ventilating, or cooling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00485—Valves for air-conditioning devices, e.g. thermostatic valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
- B60H1/00571—Details of ducts or cables of liquid ducts, e.g. for coolant liquids or refrigerants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/05—Compression system with heat exchange between particular parts of the system
- F25B2400/054—Compression system with heat exchange between particular parts of the system between the suction tube of the compressor and another part of the cycle
-
- 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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention belongs to new-energy automobile fields, particularly belong to a kind of waste-heat recovery device, it discloses a kind of heat-energy utilizing device, heat pump air conditioning systems for utilizing the application process of device and having installed this additional using device that enthalpy can be mended to heat pump air conditioning system, by adding heat-energy utilizing device in heat pump air conditioning system, benefit enthalpy is made to heat pump air conditioning system using the waste heat of three electric systems, the performance state of heat pump air conditioner can be improved when working at low ambient temperatures, to reduce the compression ratio of compressor, electric energy is further saved.
Description
Technical field
The invention belongs to new-energy automobile fields, and in particular to a kind of heat energy utilization dress that enthalpy can be mended to heat pump air conditioning system
It sets, application process and the heat pump air conditioning system for having installed heat-energy utilizing device additional.
Background technology
Currently in heat pump air conditioner grind or volume production, by taking R134a working medium as an example, be all according to intrinsic design, i.e., by
If motor compressor, external heat exchanger, HVAC, dryvalve and corresponding pipeline composition, when working at low temperature, only lean on compressor work
Low temperature heat absorption with external heat exchanger heats for car, can have the following problems at this time:
(1) compression ratio it is more conventional 6:1 is promoted to 10:1, it is even more;
(2) compression ratio increases, and the power consumption of compressor increases;
(3) long-time operating on low voltage is unfavorable for compressor inner sealing;
(4) evaporating temperature is low but coolant quantity is few, and heat absorption is insufficient, must improve the heating of compressor output work;
(5) motor and automatically controlled waste heat are wasted after vehicle launch;
Problem above is the common fault of heat pump air conditioning system, because heat pump system is not pushed away temporarily extensively in automobile-used domain variability
Extensively, so the drawback is not recognized generally, also less it has been proposed that being recycled to the waste heat of new energy vehicle.
Invention content
In view of this, the purpose of the present invention is to provide a kind of heat-energy utilizing device, application process and having installed thermal energy additional
Using the heat pump air conditioning system of device, benefit enthalpy is made to heat pump air conditioning system by using the waste heat of three electric systems so that low temperature ring
The performance state of heat pump air conditioner can be improved when working under border, reduce compressor pressure ratios, further save electric energy.
In order to achieve the above objectives, the present invention provides the following technical solutions:
A kind of heat-energy utilizing device, including be passed through the channel I of refrigeration working medium and be passed through the channel II of cooling working medium, it is described logical
Road I is with II mutual fitting of channel or closed assembly so that two kinds of working medium including corresponding circulation can carry out heat exchange.
Further, the channel I and channel II are tubular structure, the channel II be sleeved on the outer wall in channel I and
Channel II is stretched out at I both ends of channel, and II both ends of the channel are respectively equipped with inlet tube and outlet.
Further, several teeth are equipped with around circumferentially-spaced on the inner wall in the channel II, made in I outer wall of channel and channel II
Multiple tooth sockets to the cooling working medium that circulates are correspondingly formed between wall.
Further, the outer wall in the channel I be equipped with several spiral convex ribs axially extended, make I outer wall of channel with
Multiple helicla flutes to the cooling working medium that circulates are correspondingly formed between II inner wall of channel.
Further, the channel I and channel II are the laminated structure made of multiple sheet metal closed assemblies.
The present invention also provides the application processes of above-mentioned heat-energy utilizing device, and above-mentioned heat-energy utilizing device is introduced heat pump
In air-conditioning system;Wherein, channel I is connected between the evaporator outlet end in heat pump air conditioning system and compressor air suction mouth end,
The arrival end in channel II is in parallel with the engine export end of electric control cooling circuit in heat pump air conditioning system, the outlet in channel II
End is in parallel with the expansion tank arrival end of electric control cooling circuit.
Further, the arrival end in channel II is connected in parallel on the electromagnetic water valve between engine and expansion tank.
The present invention also provides a kind of heat pump air conditioning systems, including compressor, evaporator, condenser, expansion valve and electricity
Electrical Control cooling circuit further includes heat-energy utilizing device as the aforementioned, and the channel I in heat-energy utilizing device is connected on heat pump air conditioner
Between evaporator outlet end in system and compressor air suction mouth end, motor electricity in the arrival end and heat pump air conditioning system in channel II
The engine export end for controlling cooling circuit is in parallel, and the outlet end in channel II and the expansion tank arrival end of electric control cooling circuit are simultaneously
Connection.
Further, the arrival end in the channel II is connected in parallel on the electromagnetic water valve between engine and expansion tank.
Further, the electromagnetic water valve is two flow-throughs.
The beneficial effects of the present invention are:The heat-energy utilizing device is simple in structure, and it is empty can be directly applied to existing heat pump
In adjusting system, although the change to heat pump air conditioning system is minimum, the reasonable utilization of electric control system waste heat can be realized.Using
Afterwards, it is conducive to work of the heat pump air conditioner under low temperature (- 10 DEG C), promotes the isentropic efficiency of compressor, improve the air inlet of compressor
Temperature reduces compressor power consumption, improves interior leaving air temp, being compared using power for PTC is declined, and then improves new energy
The mileage travelled of source vehicle, it is not only economical, but also efficiently.
Description of the drawings
In order to keep the purpose of the present invention, technical solution and advantageous effect clearer, the present invention provides following attached drawing and carries out
Explanation:
Fig. 1 is tubulose heat-energy utilizing device structural schematic diagram;
Fig. 2 is the schematic cross-section (tooth form outer sleeve structure) of Fig. 1;
Fig. 3 is the schematic cross-section (spiral inner sleeve structure) of Fig. 1;
Fig. 4 is layered laminate heat-energy utilizing device structural schematic diagram;
Fig. 5 is the heat pump air conditioning system schematic diagram of the present invention.
Specific implementation mode
Below in conjunction with attached drawing, the preferred embodiment of the present invention is described in detail.
A kind of heat-energy utilizing device, including be passed through the channel I 1 of refrigeration working medium and be passed through the channel II 2 of cooling working medium, it is described
Channel I 1 makes two kinds of working medium that can carry out heat exchange with II 2 mutual fitting of channel.According to the structure type in channel I 1 and channel II 2,
Fitting herein can be divided into the different forms such as socket, grafting.
Under normal circumstances, channel I 1 and channel II 2 are all tubular structure, channel II is sleeved on the outer wall in channel I and
Channel II, channel I 1 at this time and II 2 forming sleeves structure of channel are stretched out in I both ends of channel, II 2 both ends of channel be respectively equipped with into
Mouth pipe and outlet are passed through refrigeration working medium (such as R134a) and cooling working medium (such as ethylene glycol) by corresponding, two class working medium can be made to obtain
To abundant heat exchange.It should be noted that working medium can be interchanged with channel II 2 in channel I 1, i.e., it is passed through refrigeration working medium in channel II 2
(such as R134a) is passed through cooling working medium (such as ethylene glycol) in channel I 1.But, such mode is being changed compared with former mode
It decreases on the thermal efficiency, and can also increase the flow resistance of air conditioner loop 20% not etc. (different flow flow resistances is different).
Several teeth 21 are equipped with around circumferentially-spaced on the inner wall in the channel II 2 in the present embodiment, the presence of tooth 21 to lead to
Multiple tooth sockets are correspondingly formed between II inner wall of I outer wall of road and channel, cooling working medium is flowed through between tooth socket.Tooth 21 can enhance channel I 1
With the structural strength in channel II 2, ensure the reliability of system.Certainly, tooth 21 herein can also be substituted for spiral convex rib 11, spiral shell
Rotation convex ribs 11 can be provided on channel II 2, can also be provided on channel I, be arranged when on channel II 2, be located at
It on the inner wall in channel II 2 and axially extends, is arranged when on channel I, be located on the inner wall in channel I 1 and axially extend,
Spiral convex rib 11 can have a plurality of, make to be correspondingly formed multiple spiral shells to the cooling working medium that circulates between II inner wall of I outer wall of channel and channel
Spin slot, to enhance the structural strength between channel I 1 and channel II 2.
There is other structures form in channel I with channel II, such as the laminated structure made of multiple sheet metal closed assemblies.It is various
Channel is formed between plate, heat exchange is carried out by plate, such as plate heat exchanger can equally reach the mesh of two class working medium heat exchange
's.
In the heat-energy utilizing device, channel I 1 can be aluminium material or copper material with channel II 2, when channel I 1 and channel II 2
For the working medium of tubular structure and internal circulation routine when, preferred structure matching parameter is:The bore in channel I 1 be φ 8mm~
φ 25mm, thickness of pipe wall are 1.2mm~2mm, and the pipe outside diameter of channel II (tooth form outer sleeve structure) is φ 10mm~φ 30mm, tube wall
Thickness is 1.2mm~2mm, and transverse tooth thickness 1mm, length is 200~700mm, and the length in channel I 1 will be longer than channel II.
The arrival end in channel II 2 is denoted as the ends A, outlet end is denoted as the ends B, and the arrival end in channel I 1 is denoted as the ends D, outlet end
It is denoted as C-terminal.As shown, the ends D enter refrigeration working medium (R134a), it is assumed that the temperature of refrigeration working medium is -10 DEG C at this time, and the ends A enter
Cooling working medium (ethylene glycol), it is assumed that the cooling Temperature of Working is 10 DEG C at this time, and from A to B, cooling working medium ethylene glycol is by channel I 1
Refrigerant R134a gradually cool down, temperature continuously decreases, it is assumed that from 10 DEG C can be gradually dropped to 5 DEG C, similarly, refrigeration working medium
It is in gradual cooled working medium ethylene glycol heating to flow to C-terminal from the ends D, the temperature of refrigeration working medium assumes to gradually rise to from -10 DEG C -
4℃.In this way, refrigeration working medium (R134a) can obtain maximum heat exchange.
Above-mentioned heat-energy utilizing device is introduced into existing heat pump air conditioning system, you can utilize the waste heat pair of three electric systems
Heat pump air conditioning system makees benefit enthalpy, the performance state of heat pump air conditioner can be improved when working at low ambient temperatures, to reduce compressor
Compression ratio, further save electric energy.
Specifically, existing heat pump air conditioning system includes compressor 3, evaporator 4, condenser 5, expansion valve and motor electricity
Cooling circuit 6 is controlled, and the channel I 1 in the heat-energy utilizing device is connected on 4 outlet end of evaporator and pressure in heat pump air conditioning system
Between 3 air entry end of contracting machine, i.e. the arrival end in channel I is connected to the evaporating heat exchanger outlet end in heat pump air conditioning system, channel I
Outlet end be connected to the air entry end of the compressor in heat pump air conditioning system, be preferably arranged in close to compressor air suction end
Side;The arrival end in channel II 2 is in parallel with 61 outlet end of engine of electric control cooling circuit 6 in heat pump air conditioning system, leads to
The outlet end in road II is in parallel with 62 arrival end of expansion tank of electric control cooling circuit.The introducing of the heat-energy utilizing device is realized
The utilization of waste heat in electric control cooling circuit 6 so that the refrigerant heat flowed out from evaporator improves, and then increases
The air inlet degree of superheat of compressor, it is not only interior to can get more heats, while also reducing the power consumption of compressor.
In electric control cooling circuit 6, solenoid valve 63, the solenoid valve 63 choosing are equipped between engine 61 and expansion tank 62
With two flow-throughs, the arrival end in channel II is connected in parallel on the electromagnetic water valve between engine and expansion tank, then heat can be achieved
The start and stop of device can be utilized.
Specifically, when air-conditioning system need not mend enthalpy, solenoid valve 63 is heated pump system controller control, flows to A
The path of mouth is ended, and cooling working medium is only run in cooling major loop, when running heat pump air conditioning system heating in winter, electricity
Magnet valve 63 goes back to inner spool, closes major loop, and all coolant liquids flow into through A, flow out the expansion tank for returning cooling system from B
62, it is flowed at this time from the refrigerant that evaporator 4 flows out from D, C outflows, obtains the heat from coolant liquid, and then increase pressure
The air inlet degree of superheat of contracting machine 3 introduces partial heat for air-conditioning system.Can be that air-conditioning system introduces by taking conventional system as an example
The heat of 500~800W.Electromagnetic coil is carried on solenoid valve 63, if selecting the adjustable solenoid valve 63 of ratio, can be obtained more
Accurately regulating effect.
Finally illustrate, preferred embodiment above is merely illustrative of the technical solution of the present invention and unrestricted, although logical
It crosses above preferred embodiment the present invention is described in detail, however, those skilled in the art should understand that, can be
Various changes are made to it in form and in details, without departing from claims of the present invention limited range.
Claims (10)
1. a kind of heat-energy utilizing device, it is characterised in that:Including being passed through the channel I of refrigeration working medium and being passed through the channel of cooling working medium
II, the channel I is with II mutual fitting of channel or closed assembly so that two kinds of working medium including corresponding circulation can carry out heat exchange.
2. heat-energy utilizing device according to claim 1, it is characterised in that:The channel I and channel II are tubulose knot
Structure, the channel II is sleeved on the outer wall in channel I and channel II is stretched out at I both ends of channel, and II both ends of the channel are respectively equipped with
Inlet tube and outlet.
3. heat-energy utilizing device according to claim 2, it is characterised in that:Around circumferentially-spaced on the inner wall in the channel II
Equipped with several teeth, make to be correspondingly formed multiple tooth sockets to the cooling working medium that circulates between II inner wall of I outer wall of channel and channel.
4. heat-energy utilizing device according to claim 2, it is characterised in that:The outer wall in the channel I is equipped with several
The spiral convex rib axially extended makes to be correspondingly formed between II inner wall of I outer wall of channel and channel multiple to the cooling working medium that circulates
Helicla flute.
5. heat-energy utilizing device according to claim 1, it is characterised in that:The channel I is by multiple gold with channel II
Belong to laminated structure made of piece closed assembly.
6. heat-energy utilizing device application process, it is characterised in that:Heat-energy utilizing device as described in claim 1-5 is introduced into heat
In pump air conditioner system;Wherein, channel I be connected on evaporator outlet end in heat pump air conditioning system and compressor air suction mouth end it
Between, the arrival end in channel II is in parallel with the engine export end of electric control cooling circuit in heat pump air conditioning system, channel II
Outlet end is in parallel with the expansion tank arrival end of electric control cooling circuit.
7. heat-energy utilizing device application process according to claim 6, it is characterised in that:The arrival end in channel II is in parallel
On electromagnetic water valve between engine and expansion tank.
8. a kind of heat pump air conditioning system, including compressor, evaporator, condenser, expansion valve and electric control cooling circuit,
It is characterized in that:Further include the heat-energy utilizing device as described in claim 1-5, the channel I in heat-energy utilizing device is connected on heat
Between evaporator outlet end in pump air conditioner system and compressor air suction mouth end, in the arrival end and heat pump air conditioning system in channel II
The engine export end of electric control cooling circuit is in parallel, and the outlet end in channel II and the expansion tank of electric control cooling circuit enter
Mouth end is in parallel.
9. heat pump air conditioning system according to claim 8, it is characterised in that:The arrival end in the channel II, which is connected in parallel on, to be started
On electromagnetic water valve between machine and expansion tank.
10. heat pump air conditioning system according to claim 9, it is characterised in that:The electromagnetic water valve is two flow-throughs.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810496271.9A CN108437750A (en) | 2018-05-22 | 2018-05-22 | Heat-energy utilizing device and application process and a kind of heat pump air conditioning system |
Applications Claiming Priority (1)
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CN201810496271.9A CN108437750A (en) | 2018-05-22 | 2018-05-22 | Heat-energy utilizing device and application process and a kind of heat pump air conditioning system |
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CN201810496271.9A Pending CN108437750A (en) | 2018-05-22 | 2018-05-22 | Heat-energy utilizing device and application process and a kind of heat pump air conditioning system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109458750A (en) * | 2018-10-15 | 2019-03-12 | 开沃新能源汽车集团有限公司 | Utilize the refrigeration system with lithium bromide absorption of electric control waste heat and fuel cell waste heat |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102116544A (en) * | 2010-09-17 | 2011-07-06 | 宁波惠康实业有限公司 | Air-conditioning heat exchanger |
CN102116545A (en) * | 2011-01-30 | 2011-07-06 | 杭州沈氏换热器有限公司 | Microchannel heat exchanger |
CN102538518A (en) * | 2012-02-15 | 2012-07-04 | 国电联合动力技术有限公司 | Plate-fin type air-cooled heat exchanger |
CN205970883U (en) * | 2016-05-10 | 2017-02-22 | 比亚迪股份有限公司 | Car thermal management system and electric automobile |
CN208180721U (en) * | 2018-05-22 | 2018-12-04 | 南方英特空调有限公司 | Heat-energy utilizing device and a kind of heat pump air conditioning system |
-
2018
- 2018-05-22 CN CN201810496271.9A patent/CN108437750A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102116544A (en) * | 2010-09-17 | 2011-07-06 | 宁波惠康实业有限公司 | Air-conditioning heat exchanger |
CN102116545A (en) * | 2011-01-30 | 2011-07-06 | 杭州沈氏换热器有限公司 | Microchannel heat exchanger |
CN102538518A (en) * | 2012-02-15 | 2012-07-04 | 国电联合动力技术有限公司 | Plate-fin type air-cooled heat exchanger |
CN205970883U (en) * | 2016-05-10 | 2017-02-22 | 比亚迪股份有限公司 | Car thermal management system and electric automobile |
CN208180721U (en) * | 2018-05-22 | 2018-12-04 | 南方英特空调有限公司 | Heat-energy utilizing device and a kind of heat pump air conditioning system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109458750A (en) * | 2018-10-15 | 2019-03-12 | 开沃新能源汽车集团有限公司 | Utilize the refrigeration system with lithium bromide absorption of electric control waste heat and fuel cell waste heat |
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