CN110271378A - Automobile-used regenerative heat pump system - Google Patents
Automobile-used regenerative heat pump system Download PDFInfo
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- CN110271378A CN110271378A CN201810204977.3A CN201810204977A CN110271378A CN 110271378 A CN110271378 A CN 110271378A CN 201810204977 A CN201810204977 A CN 201810204977A CN 110271378 A CN110271378 A CN 110271378A
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- heat exchanger
- heat
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- expansion valve
- electric expansion
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- 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
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- 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
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
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- 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
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H2001/2268—Constructional features
- B60H2001/2296—Constructional features integration into fluid/air heat exchangers
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of automobile-used regenerative heat pump systems, including three subsystems: coolant circulating system, the secondary circuit circulatory system and the accumulation of heat circulatory system, wherein: the secondary circuit system includes second circulation pump, first heat exchanger, the 6th heat exchanger, temperature damper and kettle；Wherein, the second circulation pump, first heat exchanger, the 6th heat exchanger and kettle are sequentially connected one circulation of composition by pipeline, wherein the 6th heat exchanger and temperature damper are located in air-conditioning box.The present invention is due to using secondary circuit system, the heating capacity of heat pump system can bigizationner be mined out, coolant circulating system high side pressure decreases simultaneously, system high-low pressure decreases than also, the running environment of compressor is improved, when especially compressor long-time continuously works in the heat pump mode.
Description
Technical field
The invention belongs to automobile technical fields, specifically, being to utilize accumulation of heat under given conditions about new-energy automobile
Technology rationally utilizes residual heat resources, waste heat is used for a kind of automobile-used heat accumulating type of passenger car heating by refrigerant-cycle systems
Heat pump system.
Background technique
Currently, at low ambient temperatures, due to not having high temperature heat source, new-energy automobile mainly passes through PTC electric heating elegance
Warm, although electrically heating can satisfy heating demand, to consume battery power, significantly sacrificing cruising ability is cost
, this certainly will require to run counter to current policies, also run counter to the basic function demand of market user.Therefore how new energy is improved
The heating ability and heating efficiency of automobile, take into account refrigerated dehumidification ability, and not will cause continuation of the journey decaying, become current automotive industry
Problem.Most enterprises do not consider how reasonable benefit but using the cooling and warming ability for excavating heat pump system as break through direction
With the residual heat resources on new-energy automobile.
New-energy automotive air-conditioning system mainly faces following problem:
The first, when new-energy automobile uses heat pump heating, refrigeration and heating recycle system internal refrigerant flow path are not
Together, more control mechanism, pipeline and refrigerant charge are had, control becomes more complicated, while increase equipment and
Cost.
The second, when new-energy automobile uses heat pump heating, at low ambient temperatures, heating amount is insufficient, is unable to satisfy occupant
Cabin comfort demand.
When third, new-energy automobile use heat pump heating, the easy frosting of outdoor heat exchanger, refrigerant-cycle systems running pipeline
When white mode, being blown in fan blade from the liquefied droplet of heat-exchanger surface, fan blade dynamic balancing failure, noise becomes larger,
Especially in galloping, the service life of blower can be reduced.
4th, when new-energy automobile uses merely PTC electric heating to continue heating system, power consumption is larger, and automobile is caused to be continued a journey
Ability is greatly lowered.
5th, when new-energy automobile is by the way of PTC electrically heating, PTC electric heater and air-conditioning box contact portion
Heated to concentrate, after plastic cement melts, the hot wind of car blowout has certain plastic cement taste, influences user side experience, and continue
High temperature, which can melt, wears air conditioning box body, causes heat of leaking out.
6th, when automobile speed changes, the excess heats such as motor, controller and charger are unstable, cause remaining
It is hot larger using difficulty in real time.
It is therefore desirable to be improved.
Summary of the invention
Present invention aims at disadvantages mentioned above and deficiency present in existing automobile-used heating system is improved, to provide one kind
Completely new automobile-used regenerative heat pump system.
To achieve the above object, the invention adopts the following technical scheme:
A kind of automobile-used regenerative heat pump system, including three subsystems, respectively coolant circulating system, secondary circuit system
System and the accumulation of heat circulatory system, in which:
The coolant circulating system includes: compressor, first heat exchanger, the first electric expansion valve, second heat exchanger,
Fan, check valve, the second electric expansion valve, the third heat exchanger in air-conditioning box, liquid storage separator, third electronic expansion
Valve, the 4th heat exchanger and shut-off valve, in which:
The compressor, first heat exchanger, the first electric expansion valve, second heat exchanger, check valve, the second electronics are swollen
Swollen valve, third heat exchanger and liquid storage separator in air-conditioning box, which pass sequentially through piping connection and constitute one and recycle, to be led to
Road, the fan are located at the side of second heat exchanger；
The third electric expansion valve and the 4th heat exchanger constitute the first bypass, from the front end of the first electric expansion valve
It is connected to the rear end of check valve；
The shut-off valve constitutes the second bypass, after being connected to third heat exchanger from the front end of the second electric expansion valve
End；
In this way, compressor, first heat exchanger, third electric expansion valve, the 4th heat exchanger, the second electric expansion valve,
Third heat exchanger and liquid storage separator pass sequentially through pipeline and constitute second circulation path；
Compressor, first heat exchanger, third electric expansion valve, the 4th heat exchanger, shut-off valve and liquid storage separator
It passes sequentially through pipeline and constitutes third circulation path；
Compressor, first heat exchanger, the first electric expansion valve, second heat exchanger, check valve, shut-off valve, and storage
Liquid/gas separator passes sequentially through pipeline and constitutes the 4th circulation path；
The secondary circuit system includes: second circulation pump, first heat exchanger, the 6th heat exchange in air-conditioning box
Device, temperature damper and kettle, and pumped by second circulation, first heat exchanger, the 6th heat exchanger in air-conditioning box,
And kettle passes sequentially through pipeline and constitutes a circulation path；
The accumulation of heat circulatory system includes: the 4th heat exchanger, first circulation pump, the coldplates such as motor, controller, threeway
Valve, the 5th heat exchanger and liquid reserve tank, in which:
4th heat exchanger, first circulation pump, the coldplates such as motor, controller, triple valve, the 5th heat exchanger,
And liquid reserve tank passes sequentially through pipeline and constitutes a circulation path；
The third outlet of the triple valve constitutes another circulation path by pipeline around the 5th heat exchanger.
According to the present invention, the third heat exchanger is cooled down to by the wind of air-conditioning box.
According to the present invention, the first heat exchanger is for discharging heat into secondary circuit system.
According to the present invention, the second heat exchanger is used to carry out heat exchange with outside atmosphere.
According to the present invention, first electric expansion valve by adjust the first heat exchanger and second heat exchanger it
Between aperture, to adjust the flow of refrigerant.
According to the present invention, second electric expansion valve is by adjusting first bypass and check valve point and the
Aperture between three heat exchangers, to adjust the flow of refrigerant.
According to the present invention, the third electric expansion valve by adjust the first heat exchanger and the 4th heat exchanger it
Between aperture, to adjust the flow of refrigerant；
According to the present invention, the accumulation of heat circulatory system is recycled with heat dissipation of water tank, heat dissipation of water tank+self-loopa temperature control, and
Three kinds of circulating working modes of self-loopa accumulation of heat.
According to the present invention, in the accumulation of heat circulatory system, the leaving water temperature of liquid storage device is adjusted by the aperture of triple valve
Section.
According to the present invention, the 6th heat exchanger heats the wind by third heat exchanger.
According to the present invention, the second circulation pump has frequency conversion function, can adjust secondary circuit rate-of flow size.
According to a preferred embodiment of the present invention, the first heat exchanger of the secondary circuit system and the 6th heat exchange
It is equipped with PTC water heater between device, so that the circulation fluid by first heat exchanger is heated again, then passes through the 6th
Heat exchanger is discharged into crew module.
According to a further advantageous embodiment of the invention, the positive rear side of the 6th heat exchanger of the secondary circuit system adds
Equipped with PTC wind heater, directly to be heated to by the wind of third heat exchanger, or add to by the 6th heat exchanger
The wind that heat is crossed is heated again, and then bracket is blown in crew module.
Automobile-used regenerative heat pump system of the invention has the advantages that
1, invention fully achieves the integrated system design of air-conditioning heat pump, refrigerant is in refrigeration, heating, dehumidifying and defrost
Under isotype, consistent, refrigerated medium hot-die caused by no four-way reversing valve is collaborated is flowed in pipeline with heat exchanger and other component
Formula switching is not thorough or the problem of handoff error.
2, at low ambient temperatures, heat pump system of the invention can independently be crew module and provide endlessly heat,
Meet the comfort demand of user side.
3, since the forced-convection heat transfer coefficient of the forced-convection heat transfer coefficient ratio wind of water is high, using secondary circuit system
Afterwards, the heating capacity of heat pump system can bigizationner be mined out, while the on high-tension side pressure of coolant circulating system dropped
It is low, system pressure ratio is reduced, the continuous long-time of the running environment of compressor, especially compressor work in a heating mode is improved
When making.
4, secondary circuit system can maximize the heat for efficiently utilizing waste heat, so that waste heat is fully utilized, and herein
On the basis of, by the heat in heat pump system efficient absorption cold atmospheric, accomplish maximally utilizing for available energy.
5, using two kinds of dehumidification modes of high and low temperature, the dehumidification requirements at a temperature of varying environment are taken into account, make to blow on vehicle glass
Air temperature it is high, and water capacity is low, effectively reduces since vehicle window hazes safety driving tips accident hazard caused by frosting.
6, environment temperature is larger in -5~10 DEG C of sections, humidity, and when air conditioning for automobiles runs heating mode, outdoor heat exchanger is easy
Frosting carries out heating heating using waste heat heat, can avoid easy frosting temperature range, even if after outdoor heat exchanger frosting,
Defrost pattern is run at frosting initial stage, crew module's heating and outdoor heat exchanger defrost can be combined.
Detailed description of the invention
Fig. 1 is the organization plan schematic diagram of the embodiment 1 of automobile-used regenerative heat pump system of the invention.
Fig. 2 is to increase the organization plan schematic diagram of the embodiment 2 of PTC water heater in secondary circuit.
Fig. 3 is the organization plan for the embodiment 3 that the 6th heat converter air-out mouth side installs PTC wind heater additional in air-conditioning box
Schematic diagram.
Fig. 4 is the media flow paths schematic diagram of embodiment 1 in cooling mode, and wherein overstriking lines indicate the stream of medium
Dynamic path.
Fig. 5 is embodiment 1 when excess heat is enriched, the media flow paths schematic diagram of system in the heat pump mode, wherein
The flow path of overstriking lines expression medium.
Fig. 6 is embodiment 1 when excess heat is lower, the media flow paths schematic diagram of system in the heat pump mode, wherein
The flow path of overstriking lines expression medium.
Fig. 7 is media flow paths schematic diagram of the embodiment 1 under high environment temperature dehumidification mode, wherein overstriking lines table
Show the flow path of medium.
Fig. 8 is media flow paths schematic diagram of the embodiment 1 under low ambient temperature dehumidification mode, wherein overstriking lines table
Show the flow path of medium.
Fig. 9 be embodiment 1 continuous heating simultaneously, the media flow paths schematic diagram under defrost pattern at a slow speed, wherein plus
The flow path of thick lines expression medium.
Figure 10 be embodiment 1 interval heating simultaneously, media flow paths schematic diagram when quick defrost pattern, wherein plus
The flow path of thick lines expression medium.
Figure 11 be embodiment 2 continuous heating simultaneously, media flow paths schematic diagram when quick defrost pattern, wherein plus
The flow path of thick lines expression medium.
Figure 12 be embodiment 3 continuous heating simultaneously, media flow paths schematic diagram when quick defrost pattern, wherein plus
The flow path of thick lines expression medium.
Wherein:
1, compressor；2, first heat exchanger；3, the first electric expansion valve；4, second heat exchanger；
5, fan；6, check valve；7, the second electric expansion valve；8, third heat exchanger；
9, liquid storage separator；10, third electric expansion valve；11, the 4th heat exchanger；12, shut-off valve；
13, first circulation pumps；14, the coldplates such as motor, controller；15, triple valve；
16, the 5th heat exchanger；17, liquid reserve tank；18, second circulation pumps；19, the 6th heat exchanger；
20, temperature damper；21, kettle；22, PTC water heater；23, PTC wind heater.
Specific embodiment
Below in conjunction with attached drawing, automobile-used regenerative heat pump system of the invention is made further specifically with specific embodiment
It is bright, it should be appreciated that following embodiment is merely to illustrate the present invention not for limiting the scope of the invention.
Embodiment 1, heat pump system
As shown in Figure 1, automobile-used regenerative heat pump system of the invention preferably includes three subsystems: coolant circulating system,
Secondary circuit system and the accumulation of heat circulatory system, in which:
The coolant circulating system includes: compressor 1, first heat exchanger 2, the first electric expansion valve 3, the second heat exchange
Device 4, fan 5, check valve 6, the second electric expansion valve 7, the third heat exchanger 8 in air-conditioning box, liquid storage separator 9, the
Three electric expansion valves 10, the 4th heat exchanger 11 and shut-off valve 12, in which:
The compressor 1, first heat exchanger 2, the first electric expansion valve 3, second heat exchanger 4, check valve 6, second
Electric expansion valve 7, third heat exchanger 8 and liquid storage separator 9 in air-conditioning box pass sequentially through piping connection and constitute one
A circulation path, the fan 5 are located at the side of second heat exchanger 4.
The third electric expansion valve 10 and the 4th heat exchanger 11 constitute the first bypass, from the first electric expansion valve 3
Front end be connected to the rear end of check valve 6.
First bypass bypasses the first electric expansion valve 3, second heat exchanger 4 and check valve 6, from first heat exchanger 2
The some or all of of outflow refrigerant flows through the first bypass, and the refrigerant of outflow converges with by the refrigerant of check valve 6.
The shut-off valve 12 constitutes the second bypass, is connected to third heat exchanger 8 from the front end of the second electric expansion valve 7
Rear end.
Second bypass bypasses the second electric expansion valve 7, and third heat exchanger 8 from the first bypass and passes through check valve 6
The refrigerant merged together all passes through the second bypass, is directly entered in liquid storage separator.
In this way, compressor 1, first heat exchanger 2, third electric expansion valve 10, the 4th heat exchanger 11, the second electronics are swollen
Swollen valve 7, third heat exchanger 8 and liquid storage separator 9 pass sequentially through pipeline and constitute second circulation path；
Compressor 1, first heat exchanger 2, third electric expansion valve 10, the 4th heat exchanger 11, shut-off valve 12, and storage
Liquid/gas separator 9 passes sequentially through pipeline and constitutes third circulation path；
Compressor 1, first heat exchanger 2, the first electric expansion valve 3, second heat exchanger 4, check valve 6, shut-off valve 12,
And liquid storage separator 9 passes sequentially through pipeline and constitutes the 4th circulation path.
The third heat exchanger 8 is cooled down to by the wind of air-conditioning box；The first heat exchanger 2 can Xiang Erci
Heat is discharged in circuit system；The second heat exchanger 4 can carry out heat exchange with outside atmosphere.
First electric expansion valve 3 is by adjusting opening between the first heat exchanger 2 and second heat exchanger 4
Degree, to adjust the flow of refrigerant.
Second electric expansion valve 7 is by adjusting first bypass and 6 point of check valve and third heat exchange
Aperture between device 8, to adjust the flow of refrigerant.
The third electric expansion valve 10 is by adjusting opening between the first heat exchanger 2 and the 4th heat exchanger 11
Degree, to adjust the flow of refrigerant；
The refrigerant for flowing through check valve 6 has direction requirement, and the refrigerant inversely flowed into can not pass through check valve 6；Shut-off valve 12
Have on-off function, does not have the function of flow adjusting.
The refrigerant to circulate in coolant circulating system is mainly the mixture of refrigerant and lubricating oil, also be may be present some subtle
Impurity, as needed in the circulatory system install additional filter screen be filtered.
The secondary circuit system includes: second circulation pump 18, first heat exchanger 2, the 6th heat in air-conditioning box
Exchanger 19, temperature damper 20 and kettle 21, and by second circulation pump 18, first heat exchanger 2, in air-conditioning box
6th heat exchanger 19 and kettle 21 pass sequentially through pipeline and constitute a circulation path；
6th heat exchanger 19 heats the wind by third heat exchanger 8；First heat exchanger 2 is as cold
The bearer of matchmaker's circulatory system and secondary circuit system two media also acts as the effect of transmitting heat.
Preferably, the second circulation pump 18 has frequency conversion function, can adjust secondary circuit rate-of flow size.
Medium in secondary circuit can be the liquid medium of a variety of big specific heat capacities, and mainly water or water-ethylene glycol is mixed
Close solution.
The accumulation of heat circulatory system includes: the 4th heat exchanger 11, first circulation pump 13, the coldplates such as motor, controller
14, triple valve 15, the 5th heat exchanger 16 and liquid reserve tank 17, in which:
4th heat exchanger 11, first circulation pump 13, the coldplates such as motor, controller 14, triple valve 15, the 5th heat
Exchanger 16 and liquid reserve tank 17 pass sequentially through pipeline and constitute a circulation path.
The third outlet of the triple valve 15 constitutes another circulation path by pipeline around the 5th heat exchanger 16；
Third bypass bypasses the 5th heat exchanger 16 and its connecting line, after the shunting of triple valve 15, and from the 5th heat exchanger 16
The circulation fluid of outflow converges into liquid reserve tank 17.
In the accumulation of heat circulatory system, liquid reserve tank 17 can not only be such that the circulation fluid into the 4th heat exchanger 11 is uniformly mixed,
Temperature fluctuation is small, can also carry out accumulation of heat, improves the temperature of circulation fluid in liquid reserve tank 17, and the accumulation of heat circulatory system is dissipated with water tank
Thermal cycle, three kinds of circulating working modes of heat dissipation of water tank+self-loopa temperature control and self-loopa accumulation of heat.
In the accumulation of heat circulatory system, the leaving water temperature of liquid storage device 17 is adjusted by the aperture of triple valve 15.
Medium in the accumulation of heat circulatory system is the liquid medium of a variety of big specific heat capacities, low viscosity, mainly anti-icing fluid, or
Water-ethylene glycol mixed solution.
According to a preferred embodiment, as shown in Fig. 2, first heat exchanger 2 and in the secondary circuit circulatory system
A PTC water heater 22 is added between six heat exchangers 19, makes first heat exchanger 2, PTC water heater 22, and the 6th heat is handed over
Parallel operation 19, kettle 21 and second circulation pump 18 pass sequentially through piping connection into a circulation loop.22 energy of PTC water heater
It heats the circulation fluid by first heat exchanger 2 again, crew module is then discharged by the 6th heat exchanger 19
It is interior, achieve the purpose that efficient and rational using heat, while heat pump application range being made to become bigger.
According to another preferred embodiment, as shown in figure 3, the rear end of the 6th heat exchanger 19 is further in the air-conditioning box
A PTC wind heater 23 is disposed, makes the hot wind flowed out in air-conditioning box from the 6th heat exchanger 19, by PTC wind heater 23
Carry out reheating.The PTC wind heater 23 can make directly to be heated by the wind of third heat exchanger 8, Huo Zhetong
It crosses the heated wind of the 6th heat exchanger 19 to be heated again, then bracket is blown in crew module, reaches rapidly and efficiently heating
Purpose, while heat pump application range being made to become bigger
Embodiment 2, refrigeration mode
When inside and outside temperature is higher, need to reduce vehicle interior temperature when, system run refrigeration mode.
As shown in figure 4, the high pressure gaseous refrigerant that compressor 1 is discharged is handed over by the first heat in coolant circulating system
There is certain aperture to throttle, it is cold to become two phases after throttling for parallel operation 2 and the first electric expansion valve 3, the first electric expansion valve 3
Matchmaker rejects heat in the atmosphere of external environment into second heat exchanger 4, becomes liquid refrigerants, using check valve 6,
Liquid refrigerants all flows into the second electric expansion valve 7 and throttles, and becomes two phase refrigerant of low-temp low-pressure, into third heat exchange
In device 8, the heat that air blower in air-conditioning box blasts wind is absorbed, becomes two phases/gaseous coolant and enters liquid storage separator 9, be saturated
Gaseous coolant is separated, and flows into compressor 1 and is compressed, and completes a circulation.
The high temperature circulation liquid that the coldplates such as motor, controller 14 flow out in the accumulation of heat circulatory system passes through triple valve 15, and ab connects
Logical standard-sized sheet, ac disconnection is fully closed, and high temperature circulation liquid stream enters in the 5th heat exchanger 16, hands over the wind flowed out from second heat exchanger 4
Heat exchange amount, due to flow into the 5th heat exchanger 16 in coolant temperature than from second heat exchanger 4 exchange heat after wind-warm syndrome than
Height, while the temperature ratio for the circulation fluid for requiring control to enter in the coldplates 14 such as motor, controller exchanges heat from second heat exchanger 4
Later wind-warm syndrome wants high, institute in a chiller mode under, the circulation fluid in the 5th heat exchanger 16 is still flowed to from second heat exchanger 4
Heat is discharged in hot wind out.The medium temperature circulation fluid flowed out from the 5th heat exchanger 16, which enters in liquid reserve tank 17, uniformly to be mixed, so
After flow through the 4th heat exchanger 11 via first circulation pump 13 enter the coldplates such as motor, controller 14 in absorb motor, control
The heat of device etc. completes a circulation.
Under this mode, coolant circulating system and the work of the accumulation of heat circulatory system, secondary circuit system do not work.Temperature damper 20
Quan Guan, shut-off valve 12 is fully closed, and 3 standard-sized sheet of the first electric expansion valve, third electric expansion valve 10 is fully closed, and triple valve 15 adjusts spool,
Ab is set to be connected to standard-sized sheet, ac disconnection is fully closed, and the second electric expansion valve 7 opens certain aperture and throttles, at this time the 5th heat exchanger
16 rear side fans 5 are opened, and air blower is opened in air conditioning box body, and the refrigerant flowed out from second heat exchanger 4 has certain supercooling
Degree.
Heat pump mode under embodiment 3, excess heat are abundant
When the excess heats such as motor, controller are abundant, while needing to crew module's heating, system runs the first heat pump mould
Formula.
As shown in figure 5, the high pressure gaseous refrigerant that compressor 1 is discharged is handed over by the first heat in coolant circulating system
Parallel operation 2, into the secondary circuit circulatory system, circulation fluid discharges heat, becomes liquid refrigerants, by 10 section of third electric expansion valve
After stream, into the 4th heat exchanger 11, the heat of circulation fluid in the 4th heat exchanger 11 is absorbed, gas-liquid two-phase or gaseous state are become
Refrigerant all flows into the first bypass, by shut-off valve 12, all flows into liquid storage separator 9, the saturation gaseous state isolated is cold
Matchmaker, which flows into compressor 1, to be compressed, and a circulation is completed.
The high temperature circulation liquid that the coldplates such as motor, controller 14 flow out in the accumulation of heat circulatory system passes through triple valve 15, this
When ab connection there is certain aperture, ac connection has certain aperture, and a part of high temperature circulation liquid stream enters in the 5th heat exchanger 16,
Heat is discharged into air, another part high temperature circulation liquid passes through third bypass, and two strands of circulation fluids converge into liquid reserve tank 17
It is interior, it after being sufficiently mixed, flows into the 4th heat exchanger 11, the refrigerant into coolant circulating system discharges heat, becomes low temperature and follows
Ring liquid finally enters in the coldplates such as motor, controller 14 into first circulation pump 13, absorbs the elements such as motor, controller and releases
The heat put completes a circulation.
In the secondary circuit circulatory system, from the low-temperature circulating liquid of 18 outflow of second circulation pump, into first heat exchanger 2
It is interior, after the heat for absorbing coolant circulating system high temperature refrigerant, become high temperature circulation liquid, into the 6th heat exchanger 19, to drum
The wind of blower blowout discharges heat, becomes low-temperature circulating liquid, by kettle 21, flows into second circulation pump 18, completes a circulation.
Under this mode, coolant circulating system, the accumulation of heat circulatory system and secondary circuit system all work.Temperature damper 20
It opens, 12 standard-sized sheet of shut-off valve, the first electric expansion valve 3 and the second electric expansion valve 7 are fully closed, and third electric expansion valve 10 has one
Determine aperture to throttle.Triple valve 15 adjusts spool, ab and ac opening size is enriched degree by temperature fluctuation situation and excess heat
It influences, when waste heat is very abundant, and 17 temperature fluctuation amplitude of liquid reserve tank is smaller, ab can be connected to standard-sized sheet, and ac disconnection is fully closed, meet heating
Demand；When waste heat is abundant, when 17 fluctuating range of liquid reserve tank is larger, ab connection has certain aperture, and ac connection has certain
Aperture controls the mixed water temperature fluctuating range in liquid reserve tank 17 in suitable interval；When waste heat meets heating demand, and storage just
When 17 temperature fluctuation amplitude of liquid case is smaller, ab disconnects fully closed, ac connection standard-sized sheet.16 rear side fan 5 of the 5th heat exchanger is opened at this time
It opens, air blower is opened in air conditioning box body, and the refrigerant flowed out from first heat exchanger 2 has certain degree of supercooling.
The lower heat pump mode of embodiment 4, excess heat
When it is impossible to meet heating demands for the excess heat of motor, controller etc., while needing to crew module's heating, system
Run second of heat pump mode.
As shown in fig. 6, the high pressure gaseous refrigerant that compressor 1 is discharged is handed over by the first heat in coolant circulating system
Parallel operation 2, into the secondary circuit circulatory system, circulation fluid discharges heat, becomes liquid refrigerants, and a part of liquid refrigerants passes through third
After electric expansion valve 10 throttles, into the 4th heat exchanger 11, the heat of circulation fluid in the 4th heat exchanger 11 is absorbed, gas is become
Liquid two-phase or gaseous coolant；Another part liquid refrigerants is after the throttling of the first electric expansion valve 3, into second heat exchanger
In 4, the heat of air is absorbed, becomes two phases or gaseous coolant, two strands of refrigerants all flow into the first bypass after converging, pass through
Shut-off valve 12 flows into liquid storage separator 9, and the saturation gaseous coolant isolated, which flows into compressor 1, to be compressed, and completes one
Circulation.
In the accumulation of heat circulatory system, the high temperature circulation liquid that the coldplates such as motor, controller 14 flow out passes through triple valve 15, this
When ab connection there is certain aperture, ac connection has certain aperture, and a part of high temperature circulation liquid stream enters in the 5th heat exchanger 16,
Heat is discharged into air, another part high temperature circulation liquid passes through third bypass, and two strands of circulation fluids enter liquid reserve tank after converging
It in 17, after being sufficiently mixed, flows into the 4th heat exchanger 11, the refrigerant into coolant circulating system discharges heat, becomes low temperature
Circulation fluid finally enters in the coldplates such as motor, controller 14 into first circulation pump 13, absorbs the elements such as motor, controller
The heat of release completes a circulation.
In the secondary circuit circulatory system, from the low-temperature circulating liquid of 18 outflow of second circulation pump, into first heat exchanger 2
It is interior, after the heat for absorbing coolant circulating system high temperature refrigerant, become high temperature circulation liquid, into the 6th heat exchanger 19, to drum
The wind of blower blowout discharges heat, becomes low-temperature circulating liquid, by kettle 21, flows into second circulation pump 18, completes a circulation.
Under this mode, coolant circulating system, the accumulation of heat circulatory system and secondary circuit system all work.Temperature damper 20
It opens, 12 standard-sized sheet of shut-off valve, the second electric expansion valve 7 is fully closed, and the first electric expansion valve 3 and third electric expansion valve 10 have one
Determine aperture to throttle, triple valve 15 adjusts spool, temperature and temperature fluctuation width of ab the and ac opening size by liquid reserve tank 17
Degree influences, and 16 rear side fan 5 of the 5th heat exchanger is opened at this time, and air blower is opened in air conditioning box body, flows from first heat exchanger 2
Refrigerant out has certain degree of supercooling.
Dehumidification mode under embodiment 5, high environment temperature
When inside and outside temperature is higher, when humidity is larger, system runs the first dehumidification mode.
As shown in fig. 7, the high pressure gaseous refrigerant that compressor 1 is discharged is handed over by the first heat in coolant circulating system
Parallel operation 2, into the secondary circuit circulatory system, circulation fluid discharges heat, becomes two phase refrigerant of high temperature and pressure, by the first electronics
After expansion valve 3, into second heat exchanger 4, with air exchange heat, become medium temperature refrigerant, by check valve 6, medium temperature is cold
Matchmaker all flows into the second electric expansion valve 7 and throttles, and becomes two phase refrigerant of low-temp low-pressure, into third heat exchanger 8,
The heat that air blower in air-conditioning box blasts wind is absorbed, the dehydration in wind will be blasted, two flowed out from third heat exchanger 8
Phase/gaseous coolant enters in liquid storage separator 9, and saturation gaseous coolant is separated, and flows into compressor 1 and is compressed,
Complete a circulation.
In the accumulation of heat circulatory system, the high temperature circulation liquid that the coldplates such as motor, controller 14 flow out passes through triple valve 15, ab
It is connected to standard-sized sheet, ac disconnection is fully closed, and high temperature circulation liquid stream enters in the 5th heat exchanger 16, with the wind flowed out from second heat exchanger 4
Heat is exchanged, the circulation fluid flowed out from the 5th heat exchanger 16, which enters in liquid reserve tank 17, uniformly to be mixed, and is then flowed through the 4th heat and is handed over
Parallel operation 11 into the coldplates such as motor, controller 14, absorbs the heat of motor, controller etc. via first circulation pump 13,
Complete a circulation.
In the secondary circuit circulatory system, from the low-temperature circulating liquid of 18 outflow of second circulation pump, into first heat exchanger 2
It is interior, after the heat for absorbing coolant circulating system high temperature refrigerant, become high temperature circulation liquid, into the 6th heat exchanger 19, to drum
The drying cold wind of blower blowout discharges heat, becomes low-temperature circulating liquid, by kettle 21, flows into second circulation pump 18, completes one
A circulation.
Under this mode, coolant circulating system, the accumulation of heat circulatory system and secondary circuit system all work.Temperature damper 20
With certain aperture, shut-off valve 12 is fully closed, and the first electric expansion valve 3 opens certain aperture and throttles, third electronic expansion
Valve 10 is fully closed, and triple valve 15 adjusts spool, so that ab is connected to standard-sized sheet, ac disconnection is fully closed, and the second electric expansion valve 7 opens certain aperture
It throttles, 16 rear side fan 5 of the 5th heat exchanger is opened at this time, and air blower is opened in air conditioning box body, from second heat exchanger 4
The refrigerant of outflow has certain degree of supercooling.
Dehumidification mode under embodiment 6, low ambient temperature
When inside and outside temperature is lower, humidity is larger, system runs second of dehumidification mode.
As shown in figure 8, the high pressure gaseous refrigerant that compressor 1 is discharged is handed over by the first heat in coolant circulating system
Parallel operation 2 becomes two phase refrigerant of high temperature and pressure after the circulation fluid into the secondary circuit circulatory system discharges heat, from the first heat
Exchanger 2 flow out refrigerant be divided into two strands, one after the first electric expansion valve 3, into second heat exchanger 4 in and air
Heat is exchanged, by check valve 6；After another stock-traders' know-how crosses third electric expansion valve 10, into the 4th heat exchanger 11, with circulation
Liquid exchanges heat；Two strands of refrigerants all flow into the second electric expansion valve 7 after converging and throttle, and it is cold to become two phase of low-temp low-pressure
Matchmaker absorbs the heat that air blower in air-conditioning box blasts wind, will blast the dehydration in wind into third heat exchanger 8,
Two phases/the gaseous coolant flowed out from third heat exchanger 8 enters in liquid storage separator 9, and saturation gaseous coolant therein is divided
It separates out and, flow into compressor 1 and compressed, complete a circulation.
The high temperature circulation liquid that the coldplates such as motor, controller 14 flow out in the accumulation of heat circulatory system passes through triple valve 15, this
When ab be connected to and have certain aperture, ac is also connected to and has certain aperture, and a part of high temperature circulation liquid stream enters the 5th heat exchange
In device 16, heat is discharged into air, another part high temperature circulation liquid passes through third bypass, and two strands of circulation fluids enter after converging
It in liquid reserve tank 17, after being sufficiently mixed, flows into the 4th heat exchanger 11, the refrigerant into coolant circulating system discharges heat, becomes
It is finally entered in the coldplates such as motor, controller 14 at low-temperature circulating liquid into first circulation pump 13, absorbs motor, controller
The heat of equal elements release, completes a circulation.
In the secondary circuit circulatory system, from the low-temperature circulating liquid of 18 outflow of second circulation pump, into first heat exchanger 2
It is interior, after the heat for absorbing coolant circulating system high temperature refrigerant, become high temperature circulation liquid, into the 6th heat exchanger 19, to drum
The drying cold wind of blower blowout discharges heat, becomes low-temperature circulating liquid, by kettle 21, flows into second circulation pump 18, completes one
A circulation.
Under this mode, coolant circulating system, the accumulation of heat circulatory system and secondary circuit system all work.Temperature damper 20
With certain aperture, shut-off valve 12 is fully closed, the first electric expansion valve 3, the second electric expansion valve 7 and third electric expansion valve 10
It opens certain aperture to throttle, triple valve 15 adjusts spool, opens ab connection, and ac connection is opened, and the 5th heat is handed at this time
16 rear side fan 5 of parallel operation is opened, and air blower is opened in air conditioning box body, and the refrigerant flowed out from second heat exchanger 4 has certain
Degree of supercooling.
Defrost pattern under defrost pattern and intermittent heating at a slow speed under embodiment 7, continuous heating
When environment temperature is low, vehicle opens heat pump mode progress heating for a long time, 4 surface of second heat exchanger is easily tied
Frost can take two kinds of defrost patterns according to vehicle demand at this time: under the defrost pattern at a slow speed and intermittent heating under continuous heating
Defrost pattern, two kinds of defrost patterns cut both ways:
1) defrost pattern at a slow speed under continuous heating
Such mode can be continuously crew module and provide heat, but defrost speed is slightly slow, and the defrost logic is especially suitable to be tied
After white initial stage or frosting, crew module, which requires supplementation with less heat, can meet the comfort demand of crew module.
As shown in figure 9, the high pressure gaseous refrigerant that compressor 1 is discharged is handed over by the first heat in coolant circulating system
Parallel operation 2, into the secondary circuit circulatory system, circulation fluid discharges heat, becomes two phase refrigerant of high temperature and pressure, a part of refrigerant warp
After crossing the throttling of third electric expansion valve 10, into the 4th heat exchanger 11, the heat of circulation fluid in the 4th heat exchanger 11 is absorbed,
Become gas-liquid two-phase or gaseous coolant；Another part liquid refrigerants is after the throttling of the first electric expansion valve 3, into the second heat
In exchanger 4, heat is discharged to the frost and air on surface, becomes two phases or gaseous coolant；Two strands of refrigerants all flow after converging
Enter the first bypass, by shut-off valve 12, flows into liquid storage separator 9, the saturation gaseous coolant isolated flows into compressor 1
It is compressed, completes a circulation.
In the accumulation of heat circulatory system, the high temperature circulation liquid that the coldplates such as motor, controller 14 flow out passes through triple valve 15, this
When ab be connected to and have certain aperture, ac is also connected to and has certain aperture, and a part of high temperature circulation liquid stream enters the 5th heat exchange
In device 16, heat is discharged into air, another part high temperature circulation liquid passes through third bypass, and two strands of circulation fluids enter after converging
It in liquid reserve tank 17, after being sufficiently mixed, flows into the 4th heat exchanger 11, into coolant circulating system, refrigerant discharges heat, becomes
Low-temperature circulating liquid finally enters in the coldplates such as motor, controller 14 into first circulation pump 13, absorbs motor, controller etc.
The heat of element release completes a circulation.
In the secondary circuit circulatory system, from the low-temperature circulating liquid of 18 outflow of second circulation pump, into first heat exchanger 2
It is interior, after the heat for absorbing coolant circulating system high temperature refrigerant, become medium temperature circulation fluid, into the 6th heat exchanger 19, to drum
The wind of blower blowout discharges heat, becomes low-temperature circulating liquid, by kettle 21, flows into second circulation pump 18, completes a circulation.
Under this mode, coolant circulating system, the accumulation of heat circulatory system and secondary circuit system all work.Temperature damper 20
With certain aperture, 12 standard-sized sheet of shut-off valve, the second electric expansion valve 7 is fully closed, the first electric expansion valve 3 and third electric expansion valve
10 there is certain aperture to throttle, and triple valve 15 adjusts spool, temperature and temperature of ab the and ac opening size by liquid reserve tank 17
Spending fluctuating range influences, and 16 rear side fan 5 of the 5th heat exchanger is closed at this time, and air blower is opened in air conditioning box body, and the second heat is handed over
Parallel operation flows out refrigerant temperature T3 and is greater than air themperature T8, while the refrigerant temperature T4 of the 4th heat exchanger 11 outflow is less than the 4th warm
The circulation fluid temperature T6 that exchanger 11 flows into.
2) defrost pattern under intermittent heating
Such defrost pattern can be rapidly performed by defrost, but cannot be continuously secondary circuit and provide heat, the defrost logic
It is especially suitable when frosting is serious.
As shown in Figure 10, in coolant circulating system, the high pressure gaseous refrigerant that compressor 1 is discharged is handed over by the first heat
Parallel operation 2, into the secondary circuit circulatory system, circulation fluid discharges heat, becomes two phase refrigerant of high temperature and pressure, by the first electronics
After expansion valve 3 throttles, become medium temperature gaseous coolant, into second heat exchanger 4, discharges heat to surface frost and air, become
At two phases or gaseous coolant, the first bypass is all flowed into, is isolated by shut-off valve 12 into liquid storage separator 9
Saturation gaseous coolant, which flows into compressor 1, to be compressed, and a circulation is completed.
The high temperature circulation liquid that the coldplates such as motor, controller 14 flow out in the accumulation of heat circulatory system passes through triple valve 15, this
When ab be connected to and have certain aperture, ac is also connected to and has certain aperture, and a part of high temperature circulation liquid stream enters the 5th heat exchange
In device 16, heat is discharged into air, another part high temperature circulation liquid passes through third bypass, and two strands of circulation fluids enter after converging
In liquid reserve tank 17, after being sufficiently mixed, waste heat is stored, circulating fluid is through the 4th heat exchanger 11, into first circulation pump 13, finally
Into in the coldplates such as motor, controller 14, the heat of the elements such as motor, controller release is absorbed, completes a circulation.
Under this mode, coolant circulating system and the work of the accumulation of heat circulatory system, secondary circuit system do not work.Temperature damper 20
It closes, 12 standard-sized sheet of shut-off valve, the second electric expansion valve 7 and third electric expansion valve 10 are fully closed, and the first electric expansion valve 3 has one
Determine aperture to throttle, triple valve 15 adjusts spool, temperature and temperature fluctuation width of ab the and ac opening size by liquid reserve tank 17
Degree influences, and 16 rear side fan 5 of the 5th heat exchanger is closed at this time, and air blower is opened in air conditioning box body, second heat exchanger outflow
Refrigerant temperature T3 is greater than air themperature T8.
Defrost pattern under embodiment 8, continuous heating
Two kinds of defrost patterns in embodiment 7 have the defects that it is certain because the frosting of vehicle second heat exchanger is exactly
Illustrate that environment temperature is lower, crew module need continuously heating, therefore run intermittent heating under defrost pattern when, be bound to
Crew module's comfort is caused to be deteriorated.According to engineering experience, at low ambient temperatures, only carry out heating to be unable to satisfy adopting by excess heat
Warm demand, therefore when running the defrost pattern at a slow speed under continuous heating, it is likely that will appear heating deficiency, and shown in Fig. 2 add
The assisted heating device added can effectively solve the problem of defrost causes heating insufficient or can not heat.
As shown in figure 11, in coolant circulating system, the high pressure gaseous refrigerant that compressor 1 is discharged is handed over by the first heat
Parallel operation 2, into the secondary circuit circulatory system, circulation fluid discharges heat, becomes two phase refrigerant of high temperature and pressure, by the first electronics
After expansion valve 3 throttles, become medium temperature gaseous coolant, into second heat exchanger 4, discharge heat to the frost and air on surface,
Become two phases or gaseous coolant, all flows into the first bypass, isolated by shut-off valve 12 into liquid storage separator 9
Saturation gaseous coolant flow into compressor 1 in compressed, complete one circulation.
In the accumulation of heat circulatory system, the high temperature circulation liquid that the coldplates such as motor, controller 14 flow out passes through triple valve 15, this
When ab be connected to and have certain aperture, ac, which is also connected to, has certain aperture, and a part of high temperature circulation liquid stream enters the 5th heat exchanger
In 16, heat is discharged into air, another part high temperature circulation liquid passes through third bypass, and two strands of circulation fluids enter storage after converging
In liquid case 17, after being sufficiently mixed, waste heat is stored, circulating fluid is most laggard into first circulation pump 13 through the 4th heat exchanger 11
Enter in the coldplates such as motor, controller 14, absorb the heat of the elements such as motor, controller release, completes a circulation.
In the secondary circuit circulatory system, from the low-temperature circulating liquid of 18 outflow of second circulation pump, into first heat exchanger 2
It is interior, absorb coolant circulating system high temperature refrigerant heat after, become medium temperature circulation fluid, into PTC water heater 22 in carry out again
Heating becomes high temperature circulation liquid, flows into the 6th heat exchanger 19, and the wind blown out to air blower discharges heat, becomes low temperature and follows
Ring liquid flows into second circulation pump 18 by kettle 21, completes a circulation.
Under this mode, coolant circulating system, the accumulation of heat circulatory system and secondary circuit system all work.Temperature damper 20
With certain aperture, 12 standard-sized sheet of shut-off valve, the second electric expansion valve 7 and third electric expansion valve 10 are fully closed, the first electronic expansion
Valve 3 have certain aperture throttle, triple valve 15 adjust spool, ab and ac opening size by liquid reserve tank 17 temperature and
Temperature fluctuation amplitude influences, 16 rear side fan 5 of the 5th heat exchanger is closed at this time, and air blower is opened in air conditioning box body, the second heat
Exchanger 4 flows out refrigerant temperature T3 and is greater than air themperature T8.
Defrost pattern under embodiment 9, continuous heating
The assisted heating device of addition shown in Fig. 3, also can effectively solve defrost causes the heating insufficient or can not heat
Problem.
As shown in figure 12, in coolant circulating system, the high pressure gaseous refrigerant that compressor 1 is discharged is handed over by the first heat
Parallel operation 2, into the secondary circuit circulatory system, circulation fluid discharges heat, becomes two phase refrigerant of high temperature and pressure, by the first electronics
After expansion valve 3 throttles, become medium temperature gaseous coolant, into second heat exchanger 4, discharge heat to the frost and air on surface,
Become two phases or gaseous coolant, all flows into the first bypass, isolated by shut-off valve 12 into liquid storage separator 9
Saturation gaseous coolant flow into compressor 1 in compressed, complete one circulation.
In the accumulation of heat circulatory system, the high temperature circulation liquid that the coldplates such as motor, controller 14 flow out passes through triple valve 15, this
When ab be connected to and have certain aperture, ac is also connected to and has certain aperture, and a part of high temperature circulation liquid stream enters the 5th heat exchange
In device 16, heat is discharged into air, another part high temperature circulation liquid passes through third bypass, and two strands of circulation fluids enter after converging
In liquid reserve tank 17, after being sufficiently mixed, waste heat is stored, circulating fluid is through the 4th heat exchanger 11, into first circulation pump 13, finally
Into in the coldplates such as motor, controller 14, the heat of the elements such as motor, controller release is absorbed, completes a circulation.
In the secondary circuit circulatory system, from the low-temperature circulating liquid of 18 outflow of second circulation pump, into first heat exchanger 2
It is interior, after the heat for absorbing coolant circulating system high temperature refrigerant, become medium temperature circulation fluid, flows into the 6th heat exchanger 19, to drum
The wind of blower blowout discharges heat, and the wind blown out from the 6th heat exchanger 19 becomes easypro after the reheating of PTC wind heater 23
Suitable hot wind is blown in crew module, and the low-temperature circulating liquid flowed out from the 6th heat exchanger 19 passes through kettle 21, flows into second circulation
Pump 18 completes a circulation.
Under this mode, coolant circulating system, the accumulation of heat circulatory system and secondary circuit system all work.Temperature damper 20
With certain aperture, 12 standard-sized sheet of shut-off valve, the second electric expansion valve 7 and third electric expansion valve 10 are fully closed, the first electronic expansion
Valve 3 have certain aperture throttle, triple valve 15 adjust spool, ab and ac opening size by liquid reserve tank 17 temperature and
Temperature fluctuation amplitude influences, 16 rear side fan 5 of the 5th heat exchanger is closed at this time, and air blower is opened in air conditioning box body, the second heat
Exchanger flows out refrigerant temperature T3 and is greater than air themperature T8.
Claims (13)
1. a kind of automobile-used regenerative heat pump system, it is characterised in that secondary including three subsystems, respectively coolant circulating system
Circuit system and the accumulation of heat circulatory system, in which:
The coolant circulating system includes: compressor (1), first heat exchanger (2), the first electric expansion valve (3), the second heat friendship
Parallel operation (4), fan (5), check valve (6), the second electric expansion valve (7), the third heat exchanger (8) in air-conditioning box, storage
Liquid/gas separator (9), third electric expansion valve (10), the 4th heat exchanger (11) and shut-off valve (12), in which:
The compressor (1), first heat exchanger (2), the first electric expansion valve (3), second heat exchanger (4), check valve
(6), the second electric expansion valve (7), third heat exchanger (8) and liquid storage separator (9) in air-conditioning box pass sequentially through
Piping connection constitutes a circulation path, and the fan (5) is located at the side of second heat exchanger (4)；
The third electric expansion valve (10) and the 4th heat exchanger (11) constitute the first bypass, from the first electric expansion valve
(3) front end is connected to the rear end of check valve (6)；
The shut-off valve (12) constitutes the second bypass, is connected to third heat exchanger from the front end of the second electric expansion valve (7)
(8) rear end；
In this way, compressor (1), first heat exchanger (2), third electric expansion valve (10), the 4th heat exchanger (11), the second electricity
Sub- expansion valve (7), third heat exchanger (8) and liquid storage separator (9) pass sequentially through pipeline and constitute second circulation path；
Compressor (1), first heat exchanger (2), third electric expansion valve (10), the 4th heat exchanger (11), shut-off valve (12),
And liquid storage separator (9) passes sequentially through pipeline and constitutes third circulation path；
Compressor (1), first heat exchanger (2), the first electric expansion valve (3), second heat exchanger (4), check valve (6) are cut
Only valve (12) and liquid storage separator (9) pass sequentially through pipeline and constitute the 4th circulation path；
The secondary circuit system includes: second circulation pump (18), first heat exchanger (2), the 6th heat in air-conditioning box
Exchanger (19), temperature damper (20) and kettle (21), and (18) are pumped by second circulation, first heat exchanger (2) is located at
The 6th heat exchanger (19) and kettle (21) in air-conditioning box pass sequentially through pipeline and constitute a circulation path；
The accumulation of heat circulatory system includes: the 4th heat exchanger (11), and first circulation pumps (13), the coldplates such as motor, controller
(14), triple valve (15), the 5th heat exchanger (16) and liquid reserve tank (17), in which:
4th heat exchanger (11), first circulation pump (13), the coldplates such as motor, controller (14), triple valve (15), the
Five heat exchangers (16) and liquid reserve tank (17) pass sequentially through pipeline and constitute a circulation path；
The third outlet of the triple valve (15) constitutes another circulation path by pipeline around the 5th heat exchanger (16).
2. automobile-used regenerative heat pump system according to claim 1, which is characterized in that the third heat exchanger (8)
It is cooled down to by the wind of air-conditioning box.
3. automobile-used regenerative heat pump system according to claim 1, which is characterized in that the first heat exchanger (2) is used
In discharging heat into secondary circuit system.
4. automobile-used regenerative heat pump system according to claim 1, which is characterized in that the second heat exchanger (4) is used
In with outside atmosphere carry out heat exchange.
5. automobile-used regenerative heat pump system according to claim 1, which is characterized in that first electric expansion valve (3)
By adjusting the aperture between the first heat exchanger (2) and second heat exchanger (4), to adjust the flow of refrigerant.
6. automobile-used regenerative heat pump system according to claim 1, which is characterized in that second electric expansion valve (7)
By adjusting the aperture between first bypass and check valve (6) point and third heat exchanger (8), to adjust refrigerant
Flow.
7. automobile-used regenerative heat pump system according to claim 1, which is characterized in that the third electric expansion valve (10)
By adjusting the aperture between the first heat exchanger (2) and the 4th heat exchanger (11), to adjust the flow of refrigerant.
8. automobile-used regenerative heat pump system according to claim 1, which is characterized in that the accumulation of heat circulatory system has water
Case heat dissipation circulation, three kinds of circulating working modes of heat dissipation of water tank+self-loopa temperature control and self-loopa accumulation of heat.
9. automobile-used regenerative heat pump system according to claim 1, which is characterized in that in the accumulation of heat circulatory system, storage
The leaving water temperature of liquid device (17) is adjusted by the aperture of triple valve (15).
10. automobile-used regenerative heat pump system according to claim 1, which is characterized in that the 6th heat exchanger (19)
Wind by third heat exchanger (8) is heated.
11. automobile-used regenerative heat pump system according to claim 1, which is characterized in that second circulation pump (18) tool
There is frequency conversion function, secondary circuit rate-of flow size can be adjusted.
12. automobile-used regenerative heat pump system according to claim 1, which is characterized in that the of the secondary circuit system
PTC water heater (22) are equipped between one heat exchanger (2) and the 6th heat exchanger (19), so that by first heat exchanger
(2) circulation fluid is heated again, is then discharged into crew module by the 6th heat exchanger (19).
13. automobile-used regenerative heat pump system according to claim 1, which is characterized in that the of the secondary circuit system
The positive rear side of six heat exchangers (19) is equipped with PTC wind heater (23), with to by the wind of third heat exchanger (8) directly into
Row heating, or heated again to by the heated wind of the 6th heat exchanger (19), then bracket is blown in crew module.
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| CN201810204977.3A CN110271378A (en) | 2018-03-13 | 2018-03-13 | Automobile-used regenerative heat pump system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810204977.3A CN110271378A (en) | 2018-03-13 | 2018-03-13 | Automobile-used regenerative heat pump system |
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| CN110271378A true CN110271378A (en) | 2019-09-24 |
Family
ID=67957839
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| CN201810204977.3A Pending CN110271378A (en) | 2018-03-13 | 2018-03-13 | Automobile-used regenerative heat pump system |
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Application publication date: 20190924 |
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