CN104344595B - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
- Publication number
- CN104344595B CN104344595B CN201410487651.8A CN201410487651A CN104344595B CN 104344595 B CN104344595 B CN 104344595B CN 201410487651 A CN201410487651 A CN 201410487651A CN 104344595 B CN104344595 B CN 104344595B
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- Prior art keywords
- pump housing
- condenser
- compressor
- pipe
- entrance
- Prior art date
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 47
- 238000005057 refrigeration Methods 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 239000003507 refrigerant Substances 0.000 claims description 68
- 239000002826 coolant Substances 0.000 claims description 33
- 238000004891 communication Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 6
- 230000005494 condensation Effects 0.000 claims description 6
- 230000008014 freezing Effects 0.000 claims description 6
- 238000007710 freezing Methods 0.000 claims description 6
- 238000007906 compression Methods 0.000 description 15
- 230000006835 compression Effects 0.000 description 13
- 239000007788 liquid Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 230000008020 evaporation Effects 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
Classifications
-
- 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
- F25B13/00—Compression machines, plants or systems, with 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an air conditioning system, which comprises a compressor (1) and an evaporator (2), and further comprises: a refrigeration condenser (3) for indoor refrigeration and a pump body condenser (4) for cooling the pump body of the compressor (1); the compressor (1), the refrigeration condenser (3) and the evaporator (2) form a main circuit circulation loop for cooling the indoor, and one opening of the refrigeration condenser (3) is communicated with the evaporator (2); the outlet of the pump body condenser (4) is communicated with the pump body cooling inlet of the compressor (1), the inlet of the pump body condenser (4) is communicated with the pump body cooling outlet of the compressor (1), and a pump body cooling circulation loop for cooling the pump body is formed; the device also comprises a switching component for controlling the simultaneous on-off of the other opening of the refrigeration condenser (3) and the inlet of the pump body condenser (4) and the simultaneous on-off of the pump body cooling outlet and the inlet of the compressor (1). The air conditioning system provided by the invention improves the refrigerating and heating performances.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, more particularly to a kind of air-conditioning system.
Background technology
Compressor in air-conditioning is continuously worked so that the pump housing of compressor is in the environment of HTHP, is then caused
The compression process of refrigerant is in overheat compression environment, and compression horsepower is higher, causes performance of refrigerant systems to reduce.
In order to improve performance, pump housing cooling technology is generally used, i.e., lowered the temperature by the pump housing, change pump housing working chamber wall
Temperature, so as to reduce cake compressibility, reaches the purpose for reducing compression horsepower.
At present, it is common practice to shunt the refrigerant of a part of low-temp low-pressure to the pump housing is cooled down in compressor, then will
The refrigerant of absorption pump body heat content is mixed into the pump housing and is compressed with the refrigerant of evaporator outlet.
But, the pump housing is directly cooled down using low temperature liquid refrigerant in refrigeration system, can not well improve compression
Machine performance.Because cooling down the refrigerant triage operator of the pump housing, the refrigerant flow that result in into evaporator is reduced, and then is caused
Refrigerating capacity reduction, also, the refrigerant of absorption heat flows back to compressor again, and the heat of the pump housing is still in refrigeration system, shadow
Ring refrigeration performance.Individually compressor can also be radiated, but, in state is heated, the heat that the pump housing is produced cannot profit
And have impact on the heating performance of system.
Therefore, refrigeration and heating performance how are improved, is those skilled in the art's problem demanding prompt solution.
The content of the invention
In view of this, the invention provides a kind of air-conditioning system, to improve its refrigeration and heating performance.
To achieve the above object, the present invention provides following technical scheme：
A kind of air-conditioning system, including compressor and evaporator, also include：Refrigerant condenser for indoor refrigeration and it is used for
Cool down the pump housing condenser of the compressor pump；
The compressor, the refrigerant condenser and the evaporator are formed and looped back for the main road to indoor cooling
Road, an opening of the refrigerant condenser and an open communication of the evaporator；The outlet of the pump housing condenser with
The pump housing cooling entrance connection of the compressor, the entrance of the pump housing condenser connects with the pump housing coolant outlet of the compressor
It is logical, form the pump housing cooling circuit for being cooled down to the pump housing；
Also include between another opening of the control refrigerant condenser and the entrance of the pump housing condenser and described
While the changeover module of break-make between the entrance of pump housing coolant outlet and the compressor.
Preferably, in above-mentioned air-conditioning system, the air-conditioning system include for heat and switching of freezing the first four-way valve,
The first D mouths of pipe of first four-way valve are connected with the port of export of the compressor, and its C mouth of pipe is another with the evaporator
One open communication, its S mouth of pipe is connected with the entrance point of the compressor；
The changeover module is the second four-way valve；The 2nd D mouths of pipe of second four-way valve and first four-way valve
The first E mouths of pipe are connected, and its 2nd C mouth of pipe connects with the pump housing coolant outlet of the compressor, its 2nd S mouth of pipe and the pump housing
The inlet communication of condenser, another open communication of its 2nd E mouth of pipe and the refrigerant condenser.
Preferably, in above-mentioned air-conditioning system, the air-conditioning system include for heat and switching of freezing the first four-way valve,
The first D mouths of pipe of first four-way valve are connected with the port of export of the compressor, and its C mouth of pipe is another with the evaporator
One open communication, its S mouth of pipe is connected with the entrance point of the compressor；
The changeover module is the first triple valve and the second triple valve；
First triple valve connects an E mouths of pipe, the pump housing coolant outlet and the pump of first four-way valve
The entrance of condenser body, second triple valve connects the E mouths of pipe of first four-way valve, the pump housing condenser and enters
Another opening of mouth and the refrigerant condenser.
Preferably, in above-mentioned air-conditioning system, also including being arranged at the pumping installations of the pump housing cooling circuit.
Preferably, in above-mentioned air-conditioning system, the pumping installations is arranged at the pump housing condenser and the compressor
Between pump housing cooling entrance.
Preferably, in above-mentioned air-conditioning system, horizontal plane is higher than level where the compressor where the pump housing condenser
Face.
Preferably, in above-mentioned air-conditioning system, horizontal level of the pump housing cooling entrance on the compressor is less than institute
State horizontal level of the pump housing coolant outlet on the compressor.
Preferably, in above-mentioned air-conditioning system, the horizontal position of the entrance of the pump housing condenser on the pump housing condenser
Put horizontal level of the outlet higher than the pump housing condenser on the pump housing condenser.
It can be seen from above-mentioned technical scheme that, the air-conditioning system that the present invention is provided, in refrigerating state, is cut by control
Component is changed, makes another opening of refrigerant condenser and the disconnection of the entrance of pump housing condenser, pump housing coolant outlet and compressor
Entrance disconnect so that main road circulation loop and the separate operation of pump housing cooling circuit, cooled down by the pump housing and looped back
Pump housing condenser effect in road, cools down to the pump housing in compressor, reduces cake compressibility, so as to reduce compressor row
Gas enthalpy, condensation load is decreased, and because refrigerant condenser is separate with pump housing condenser, is ensuring that refrigerant condenser is full
While the refrigeration demand of foot interior, effectively realize that the pump housing is cooled down using pump housing condenser, so as to reduce compression horsepower, improve system
Cold performance；When heating state, by controlling changeover module, make another opening of refrigerant condenser and the entrance of pump housing condenser
Connection, pump housing coolant outlet is connected with the entrance of compressor, and evaporation is sequentially passed through by the refrigerant of the outlet outflow of compressor
Device, refrigerant condenser, pump housing condenser, the pump housing cooling entrance and pump housing coolant outlet, finally flow into the entrance of compressor, pass through
Above-mentioned setting, it is ensured that the collective effect of refrigerant condenser and pump housing condenser, also, it is scattered to be effectively utilized the pump housing of compressor
Heat, the part that the pump housing radiates as circulatory system evaporation endothermic reduces compression ratio, carries and then effectively increase heating performance.
The air-conditioning system that the present invention is provided, improves the refrigeration and heating capacity of air-conditioning.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the refrigerating state of air-conditioning system provided in an embodiment of the present invention；
Fig. 2 is the structural representation for heating state of air-conditioning system provided in an embodiment of the present invention；
Fig. 3 is another structural representation of the refrigerating state of air-conditioning system provided in an embodiment of the present invention；
Fig. 4 is another structural representation for heating state of air-conditioning system provided in an embodiment of the present invention.
Specific embodiment
The invention discloses a kind of air-conditioning system, to improve its refrigeration and heating performance.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to the structural representation of Fig. 1 and the refrigerating state that Fig. 2, Fig. 1 are air-conditioning system provided in an embodiment of the present invention；
Fig. 2 is the structural representation for heating state of air-conditioning system provided in an embodiment of the present invention.
A kind of air-conditioning system, including compressor 1 and evaporator 2 are the embodiment of the invention provides, is also included：For indoor system
Cold refrigerant condenser 3 and the pump housing condenser 4 for cooling down the pump housing of compressor 1；Compressor 1, refrigerant condenser 3 and evaporator
2 form for the main road circulation loop to indoor cooling, and an opening of refrigerant condenser 3 connects with an opening of evaporator 2
It is logical；The outlet of pump housing condenser 4 is connected with the pump housing cooling entrance of compressor 1, entrance and the compressor 1 of pump housing condenser 4
Pump housing coolant outlet is connected, and forms the pump housing cooling circuit for being cooled down to the pump housing；Also include changeover module, changeover module
Control the break-make and pump housing coolant outlet between another opening of refrigerant condenser 3 and the entrance of pump housing condenser 4 and compression
Break-make between the entrance of machine 1, in another opening of refrigerant condenser 3 during the connection with the entrance of pump housing condenser 4, the pump housing
Coolant outlet is connected with the entrance of compressor 1；It is disconnected with the entrance of pump housing condenser 4 in another opening of refrigerant condenser 3
When opening, pump housing coolant outlet disconnects with the entrance of compressor 1, and then reaches another opening and the pump of control refrigerant condenser 3
Break-make while between the entrance of condenser body 4 and between the entrance of pump housing coolant outlet and compressor 1.
Air-conditioning system provided in an embodiment of the present invention, in refrigerating state, by controlling changeover module, makes refrigerant condenser
3 another opening disconnects with the disconnection of the entrance of pump housing condenser 4, pump housing coolant outlet with the entrance of compressor 1 so that main
Road circulation loop and the separate operation of pump housing cooling circuit, by the pump housing condenser 4 in pump housing cooling circuit
Effect, cools down to the pump housing in compressor 1, reduces cake compressibility, so as to reduce compressor air-discharging enthalpy, condensation load
Decrease, because refrigerant condenser 3 is separate with pump housing condenser 4, ensuring that refrigerant condenser 3 meets indoor refrigeration need
While asking, effectively realize that the pump housing is cooled down using pump housing condenser 4, so as to reduce compression horsepower, improve refrigeration performance；Heat
During state, by controlling changeover module, make another opening of refrigerant condenser 3 and the connection of the entrance of pump housing condenser 4, pump
Body coolant outlet is connected with the entrance of compressor 1, and evaporator 2, refrigeration are sequentially passed through by the refrigerant of the outlet outflow of compressor 1
Condenser 3, the pump housing condenser 4, pump housing cooling entrance and pump housing coolant outlet, finally flow into the entrance of compressor 1, by above-mentioned
Set, it is ensured that the collective effect of refrigerant condenser 3 and pump housing condenser 4, also, be effectively utilized the pump housing of compressor 1 and dissipate
Heat, the part that the pump housing radiates as circulatory system evaporation endothermic reduces compression ratio, carries and then effectively increase heating performance.
Air-conditioning system provided in an embodiment of the present invention, improves the refrigeration and heating capacity of air-conditioning.
By the cooling compression performance after comparing the cooling pump housing and the adiabatic compression after the isolation pump housing (not cooling down the pump housing)
Performance, (i.e. condensation load drops with compressor air-discharging enthalpy reduction amount for heat dissipation capacity q and the work done during compression decreasing value w sums of compression process
Low amounts) it is equal.Therefore, the cooling of the pump housing will make full use of the unnecessary cooling capacity produced because condensation load declines, then will not
Influence refrigeration.
It is synchronous in order to realize switching, in the present embodiment, air-conditioning system include for heat and switching of freezing the one or four
Port valve 5, a D mouths of pipe D of the first four-way valve 51Connected with the port of export of compressor, its C mouth of pipe C1It is another with evaporator 2
One open communication, its S mouth of pipe S1Entrance point with compressor 1 is connected；Changeover module is the second four-way valve 6；Two or four
2nd D mouths of pipe D of port valve 62With an E mouths of pipe E of the first four-way valve 51Connection, its 2nd C mouth of pipe C2With the pump housing of compressor 1
Coolant outlet is connected, its 2nd S mouth of pipe S2With the inlet communication of pump housing condenser 4, its 2nd E mouth of pipe E2With refrigerant condenser 3
Another open communication.
As shown in figure 1, in refrigerating state, another opening of refrigerant condenser 3 is disconnected with the entrance of pump housing condenser 4
Open, pump housing coolant outlet disconnects with the entrance of compressor 1.Now, a D mouths of pipe D of the first four-way valve 51With an E mouths of pipe E1
Connection, a C mouths of pipe C1With a S mouths of pipe S1Connection；2nd D mouths of pipe D of the second four-way valve 62With the 2nd E mouths of pipe E2Connection, the
Two C mouths of pipe C2With the 2nd S mouths of pipe S2Connection.
In main road circulation loop：Compressor 1 is flowed into after the first four-way valve 5 for low temperature low pressure gas a4 and to be compressed into high temperature high
Pressure gas a1, then sequentially pass through and enter refrigerant condenser 3 after the first four-way valve 5 and the second four-way valve 6, high pressure liquid is formed after heat exchange
State refrigerant a2, forms low-temp low-pressure biphase gas and liquid flow a3 and enters evaporator 2 through throttling arrangement, low temperature is formed after evaporation and heat-exchange low
Calmed the anger body a4, and compressor 1 is entered through the first four-way valve 5.
In pump housing cooling circuit：Refrigerant liquid b2 is cold by the pump housing of compressor 1 by the outlet of pump housing condenser 4
But entrance flows into compressor 1, and the heat of the pump housing is absorbed in compressor 1 and refrigerant vapour b1 is formed, refrigerant vapour b1 warps
The pump housing coolant outlet of overcompression machine 1 is flowed into by the entrance of pump housing condenser 4, under outside cooling effect, releases heat, is condensed
Into refrigerant liquid b2.
As shown in Fig. 2 during heating operation, the company of the entrance of another opening and pump housing condenser 4 of refrigerant condenser 3
Connect, pump housing coolant outlet is connected with the entrance of compressor 1.Now, a D mouths of pipe D of the first four-way valve 51With a C mouths of pipe C1
Connection, an E mouths of pipe E1With a S mouths of pipe S1Connection；2nd D mouths of pipe D of the second four-way valve 62With the 2nd C mouths of pipe C2Connection, the
Two E mouths of pipe E2With the 2nd S mouths of pipe S2Connection.
Main road circulation loop is connected with pump housing cooling circuit：Low temperature low pressure gas a6 is compressed into high temperature through compressor 1
High pressure gas a1, evaporator 2 is entered through the first four-way valve 5, and condensation turns into high pressure liquid refrigerant a2, forms low through throttling arrangement
Warm low-pressure gas-liquid two phase flow a3 forms primary refrigerant gas a4 into the evaporation of refrigerant condenser 3, continues by the second four-way valve 6
Formation secondary refrigerant gas a5 after being evaporated into pump housing condenser 4, secondary refrigerant gas a5 are gone out by pump housing condenser 4
Mouth flows into compressor 1 by the pump housing cooling entrance of compressor 1, and the heat that the pump housing is absorbed in compressor 1 further evaporates
Formation low temperature low pressure gas a6, a6 pass sequentially through the second four-way valve 6 and the first four-way valve 5 and enter pressure by the entrance point of compressor 1
Contracting machine.
As shown in Figure 3 and Figure 4, in another embodiment, air-conditioning system include for heat and switching of freezing first
Four-way valve 5, a D mouths of pipe D of the first four-way valve 51Connected with the port of export of compressor, its C mouth of pipe C1With evaporator 2
Another open communication, its S mouth of pipe S1Entrance point with compressor 1 is connected；Changeover module is the first triple valve 7 and second
Triple valve 8；First triple valve 7 connects an E mouths of pipe E of the first four-way valve1, pump housing coolant outlet and pump housing condenser 4 enter
Mouthful, the second triple valve 8 connects an E mouths of pipe E of the first four-way valve1, pump housing condenser 4 entrance and refrigerant condenser 3 it is another
One opening.
It is understood that the first triple valve 7 and the second triple valve 8 are preferably two position three-way valve.Wherein, the first triple valve
During the state that 7 entrances in pump housing condenser 4 are connected with pump housing coolant outlet, the second triple valve 8 is in the first four-way valve
First E mouths of pipe E1With the state of another open communication of refrigerant condenser 3；First triple valve 7 in the first four-way valve the
One E mouths of pipe E1During the state connected with pump housing coolant outlet, entrance of second triple valve 8 in pump housing condenser 4 is cold with refrigeration
The state of another open communication of condenser 3.
In refrigerating state, a first D mouth of pipe D of the four-way valve 5 in refrigerating state, i.e. the first four-way valve 51With first
E mouths of pipe E1Connection, a C mouths of pipe C1With a S mouths of pipe S1Connection；And entrance of first triple valve 7 in pump housing condenser 4 with
The state of pump housing coolant outlet connection, a second E mouth of pipe E of the triple valve 8 in the first four-way valve1With refrigerant condenser 3
The state of another open communication.This causes that main road circulation loop is separate with pump housing cooling circuit.
When state is heated, a first D mouth of pipe D of the four-way valve 5 in state, i.e. the first four-way valve 5 is heated1With first
C mouths of pipe C1Connection, an E mouths of pipe E1With a S mouths of pipe S1Connection；And the first E of the triple valve 7 in the first four-way valve is managed
Mouth E1The state connected with pump housing coolant outlet, entrance of second triple valve 8 in pump housing condenser 4 and refrigerant condenser 3
The state of another open communication.Refrigerant enters evaporator 2 by the outlet of compressor 1, and system is sequentially passed through after throttling arrangement
Cool condenser 3 and pump housing condenser 4, then flow into compression by the pump housing cooling entrance of compressor 1 by the outlet of pump housing condenser 4
Machine 1, then the entrance of compressor 1 is flowed into by the pump housing coolant outlet of compressor 1.
Can also be used in mixed way with triple valve and reach the effect above using multiple two-port valves or multiple two-port valves, herein no longer
It is discussed in detail, it is only necessary to meet above-mentioned refrigerant flow direction.
It is provided in an embodiment of the present invention for the refrigerant smooth outflow in refrigerating state lower pump body cooling circuit
Air-conditioning system also includes being arranged at the pumping installations of pump housing cooling circuit.By the effect of pumping installations so that the pump housing is cold
But the refrigerant flowing in circulation loop.Wherein, pumping installations can be the devices such as hydraulic pump or compressor, herein no longer one by one
Introduce and within protection domain.
Preferably, pumping installations is arranged between pump housing condenser 4 and the pump housing cooling entrance of compressor 1.Can also be by
Pumping installations is arranged at other positions, such as at the pump housing coolant outlet of the entrance point of pump housing condenser 4 or compressor 1.
Pump housing cooling circuit can also be set to gravity assisted heat pipe self circular loop, i.e. refrigerant by its own weight
Power is circulated.Wherein, the place horizontal plane of pump housing condenser 4 is higher than the place horizontal plane of compressor 1.As shown in figure 1, refrigerant liquid b2
Flow downward under gravity, by compressor 1 and absorb the heat of the inner pump of compressor 1 and constantly evaporate to form refrigerant
Steam b1, refrigerant vapour b1 flow upward through the second four-way valve 6, into pump housing condenser 4, after heat is released in cooling, coagulate
Form refrigerant liquid b2, compressor 1 is returned under gravity.
Further, horizontal level of the pump housing cooling entrance on compressor 1 is less than pump housing coolant outlet on compressor 1
Horizontal level.
Further, horizontal level of the entrance of pump housing condenser 4 on pump housing condenser 4 is higher than pump housing condenser 4
Horizontal level of the outlet on pump housing condenser 4.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (8)
1. a kind of air-conditioning system, including compressor (1) and evaporator (2), it is characterised in that also include：For indoor refrigeration
Refrigerant condenser (3) and the pump housing condenser (4) for cooling down the compressor (1) pump housing；
The compressor (1), the refrigerant condenser (3) and the evaporator (2) are formed and followed for the main road to indoor cooling
Loop back path, an opening of the refrigerant condenser (3) and an open communication of the evaporator (2)；The pump housing condensation
The outlet of device (4) is connected with the pump housing cooling entrance of the compressor (1), the entrance and the pressure of the pump housing condenser (4)
The pump housing coolant outlet connection of contracting machine (1), forms the pump housing cooling circuit for being cooled down to the pump housing；
Also include between another opening of the control refrigerant condenser (3) and the entrance of the pump housing condenser (4) and institute
State between pump housing coolant outlet and the entrance of the compressor (1) while the changeover module of break-make.
2. air-conditioning system as claimed in claim 1, it is characterised in that the air-conditioning system is included for heating and switching of freezing
The first four-way valve (5), a D mouths of pipe (D of first four-way valve (5)1) connected with the port of export of the compressor, it
The one C mouths of pipe (C1) another open communication with the evaporator (2), its S mouth of pipe (S1) enter with the compressor (1)
The connection of mouth end；
The changeover module is the second four-way valve (6)；The 2nd D mouths of pipe (D of second four-way valve (6)2) with first four-way
The first E mouths of pipe (E of valve1) connection, its 2nd C mouth of pipe (C2) connected with the pump housing coolant outlet of the compressor (1), its 2nd S
The mouth of pipe (S2) inlet communication with the pump housing condenser (4), its 2nd E mouth of pipe (E2) another with the refrigerant condenser (3)
Individual open communication.
3. air-conditioning system as claimed in claim 1, it is characterised in that the air-conditioning system is included for heating and switching of freezing
The first four-way valve (5), a D mouths of pipe (D of first four-way valve (5)1) connected with the port of export of the compressor, it
The one C mouths of pipe (C1) another open communication with the evaporator (2), its S mouth of pipe (S1) enter with the compressor (1)
The connection of mouth end；
The changeover module is the first triple valve (7) and the second triple valve (8)；
First triple valve (7) connects a E mouths of pipe (E of first four-way valve1), the pump housing coolant outlet and described
The entrance of pump housing condenser (4), second triple valve (8) connects a E mouths of pipe (E of first four-way valve1), the pump
The entrance of condenser body (4) and another opening of the refrigerant condenser (3).
4. air-conditioning system as claimed in claim 1, it is characterised in that also including being arranged at the pump housing cooling circuit
Pumping installations.
5. air-conditioning system as claimed in claim 4, it is characterised in that the pumping installations is arranged at the pump housing condenser
(4) and the pump housing cooling entrance of the compressor (1) between.
6. the air-conditioning system as described in claim any one of 1-5, it is characterised in that level where the pump housing condenser (4)
Face is higher than horizontal plane where the compressor (1).
7. air-conditioning system as claimed in claim 6, it is characterised in that the pump housing cools down entrance on the compressor (1)
Horizontal level be less than horizontal level of the pump housing coolant outlet on the compressor (1).
8. air-conditioning system as claimed in claim 6, it is characterised in that the entrance of the pump housing condenser (4) is in the pump housing
Horizontal level on condenser (4) is higher than horizontal position of the outlet of the pump housing condenser (4) on the pump housing condenser (4)
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410487651.8A CN104344595B (en) | 2014-09-22 | 2014-09-22 | Air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410487651.8A CN104344595B (en) | 2014-09-22 | 2014-09-22 | Air conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104344595A CN104344595A (en) | 2015-02-11 |
| CN104344595B true CN104344595B (en) | 2017-05-24 |
Family
ID=52500731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410487651.8A Active CN104344595B (en) | 2014-09-22 | 2014-09-22 | Air conditioning system |
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| Country | Link |
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| CN (1) | CN104344595B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140020B (en) * | 2016-08-01 | 2023-12-19 | 珠海格力电器股份有限公司 | Air conditioner, four-way valve and switching device thereof |
| DE102017214941A1 (en) | 2017-08-25 | 2019-02-28 | Dometic Sweden Ab | Recreational vehicle, cooling device, control system and method of controlling the cooling device |
| WO2019082168A1 (en) | 2017-10-27 | 2019-05-02 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4213306A (en) * | 1978-06-07 | 1980-07-22 | William A. Peabody | Method and apparatus for increasing air conditioner efficiency |
| CN101501412A (en) * | 2006-08-08 | 2009-08-05 | 开利公司 | Suction valve pulse width modulation control based on compressor temperature |
| CN101624984A (en) * | 2009-08-05 | 2010-01-13 | 徐道敏 | Vertical single screw air compressor |
| CN102678571A (en) * | 2011-03-11 | 2012-09-19 | 上海日立电器有限公司 | Cooling circulation system of rotor compressor pump body |
-
2014
- 2014-09-22 CN CN201410487651.8A patent/CN104344595B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4213306A (en) * | 1978-06-07 | 1980-07-22 | William A. Peabody | Method and apparatus for increasing air conditioner efficiency |
| CN101501412A (en) * | 2006-08-08 | 2009-08-05 | 开利公司 | Suction valve pulse width modulation control based on compressor temperature |
| CN101624984A (en) * | 2009-08-05 | 2010-01-13 | 徐道敏 | Vertical single screw air compressor |
| CN102678571A (en) * | 2011-03-11 | 2012-09-19 | 上海日立电器有限公司 | Cooling circulation system of rotor compressor pump body |
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| CN104344595A (en) | 2015-02-11 |
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