CN104344595A - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
- Publication number
- CN104344595A CN104344595A CN201410487651.8A CN201410487651A CN104344595A CN 104344595 A CN104344595 A CN 104344595A CN 201410487651 A CN201410487651 A CN 201410487651A CN 104344595 A CN104344595 A CN 104344595A
- Authority
- CN
- China
- Prior art keywords
- pump housing
- condenser
- compressor
- mouth
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 48
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000005057 refrigeration Methods 0.000 claims abstract description 22
- 239000003507 refrigerant Substances 0.000 claims description 62
- 239000002826 coolant Substances 0.000 claims description 33
- 238000004891 communication Methods 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 9
- 238000007906 compression Methods 0.000 description 11
- 230000006835 compression Effects 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 230000005494 condensation Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000001360 synchronised effect 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, particularly a kind of air-conditioning system.
Background technology
Compressor continuous operation in air-conditioning, makes the pump housing of compressor be in the environment of HTHP, and then make the compression process of cold-producing medium be in overheated compression environment, compression horsepower is higher, causes performance of refrigerant systems to reduce.
In order to improve performance, usually adopting pump housing cooling technology, namely by pump housing cooling, changing pump housing working chamber wall surface temperature, thus reducing cake compressibility, reaching the object reducing compression horsepower.
At present, common way is that the cold-producing medium shunting a part of low-temp low-pressure cools the pump housing in compressor, then the cold-producing medium of absorption pump body heat content and the refrigerant mixed of evaporator outlet is entered the pump housing and compresses.
But, directly adopt low temperature liquid cold-producing medium in refrigeration system to cool the pump housing, well can not improve compressor performance.Because the refrigerant branches operation of the cooling pump housing, result in the refrigerant flow entering evaporimeter and reduce, and then refrigerating capacity is reduced, and the refrigerant absorbing heat flows back to compressor again, and the heat of the pump housing is still present in refrigeration system, affects refrigeration performance.Also can dispel the heat to compressor separately, but heating in state, the heat that the pump housing produces cannot utilize, and have impact on the heating performance of system.
Therefore, how improving refrigeration and heating performance, is the art personnel problem demanding prompt solutions.
Summary of the invention
In view of this, the invention provides a kind of air-conditioning system, to improve its refrigeration and heating performance.
For achieving the above object, the invention provides following technical scheme:
A kind of air-conditioning system, comprises compressor and evaporimeter, also comprises: for the refrigerant condenser of indoor refrigeration and the pump housing condenser for cooling described compressor pump;
Described compressor, described refrigerant condenser and described evaporimeter form the main road closed circuit be used for indoor cooling, and an opening of described refrigerant condenser is communicated with described evaporimeter; The outlet of described pump housing condenser cools entrance with the pump housing of described compressor and is communicated with, and the entrance of described pump housing condenser is communicated with the pump housing coolant outlet of described compressor, forms the pump housing cooling circuit be used for pump housing cooling;
Also comprise and to control between another opening of described refrigerant condenser and the entrance of described pump housing condenser and the changeover module of break-make simultaneously between described pump housing coolant outlet and the entrance of described compressor.
Preferably, in above-mentioned air-conditioning system, described air-conditioning system comprises for heating and the first cross valve switched that freezes, the one D mouth of pipe of described first cross valve is communicated with the port of export of described compressor, another open communication of its C mouth of pipe and described evaporimeter, its S mouth of pipe is communicated with the entrance point of described compressor;
Described changeover module is the second cross valve; The 2nd D mouth of pipe of described second cross valve is communicated with an E mouth of pipe of described first cross valve, its the 2nd C mouth of pipe is communicated with the pump housing coolant outlet of described compressor, the inlet communication of its 2nd S mouth of pipe and described pump housing condenser, another open communication of its 2nd E mouth of pipe and described refrigerant condenser.
Preferably, in above-mentioned air-conditioning system, described air-conditioning system comprises for heating and the first cross valve switched that freezes, the one D mouth of pipe of described first cross valve is communicated with the port of export of described compressor, another open communication of its C mouth of pipe and described evaporimeter, its S mouth of pipe is communicated with the entrance point of described compressor;
Described changeover module first triple valve and the second triple valve;
Described first triple valve connects the entrance of the E mouth of pipe of described first cross valve, described pump housing coolant outlet and described pump housing condenser, and described second triple valve connects the E mouth of pipe of described first cross valve, the entrance of described pump housing condenser and another opening of described refrigerant condenser.
Preferably, in above-mentioned air-conditioning system, also comprise the pumping installations being arranged at described pump housing cooling circuit.
Preferably, in above-mentioned air-conditioning system, the pump housing that described pumping installations is arranged at described pump housing condenser and described compressor cools between entrance.
Preferably, in above-mentioned air-conditioning system, described pump housing condenser place horizontal plane is higher than described compressor place horizontal plane.
Preferably, in above-mentioned air-conditioning system, the horizontal level of described pump housing cooling entrance on described compressor is lower than the horizontal level of described pump housing coolant outlet on described compressor.
Preferably, in above-mentioned air-conditioning system, the entrance of the described pump housing condenser horizontal level on described pump housing condenser is higher than the horizontal level of outlet on described pump housing condenser of described pump housing condenser.
As can be seen from above-mentioned technical scheme, air-conditioning system provided by the invention, when refrigerating state, by controlling changeover module, make the disconnection of another opening of refrigerant condenser and the entrance of pump housing condenser, the entrance of pump housing coolant outlet and compressor disconnects, make main road closed circuit and the separate operation of pump housing cooling circuit, by the pump housing condenser effect in pump housing cooling circuit, the pump housing in compressor is cooled, cake compressibility is reduced, thus reduce compressor air-discharging enthalpy, condensation load decreases, due to refrigerant condenser and pump housing condenser separate, while guaranteeing that refrigerant condenser meets indoor refrigeration demand, pump housing condenser is effectively utilized to realize pump housing cooling, thus reduce compression horsepower, improve refrigeration performance, when heating state, by controlling changeover module, make the connection of another opening of refrigerant condenser and the entrance of pump housing condenser, pump housing coolant outlet is connected with the entrance of compressor, the cold-producing medium flowed out by the outlet of compressor is successively through evaporator, refrigerant condenser, pump housing condenser, pump housing cooling entrance and pump housing coolant outlet, finally flow into the entrance of compressor, by above-mentioned setting, ensure that the acting in conjunction of refrigerant condenser and pump housing condenser, and, effectively make use of the pump housing heat radiation of compressor, pump housing heat radiation is as a part for circulatory system evaporation endothermic, reduce compression ratio, carry and then effectively improve heating performance.Air-conditioning system provided by the invention, improves refrigeration and the heating capacity of air-conditioning.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the refrigerating state of the air-conditioning system that Fig. 1 provides for the embodiment of the present invention;
The structural representation heating state of the air-conditioning system that Fig. 2 provides for the embodiment of the present invention;
The another kind of structural representation of the refrigerating state of the air-conditioning system that Fig. 3 provides for the embodiment of the present invention;
The another kind of structural representation of the state that heats of the air-conditioning system that Fig. 4 provides for the embodiment of the present invention.
detailed description of the invention
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, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1 and Fig. 2, the structural representation of the refrigerating state of the air-conditioning system that Fig. 1 provides for the embodiment of the present invention; The structural representation heating state of the air-conditioning system that Fig. 2 provides for the embodiment of the present invention.
Embodiments provide a kind of air-conditioning system, comprise compressor 1 and evaporimeter 2, also comprise: for the refrigerant condenser 3 of indoor refrigeration and the pump housing condenser 4 for cooling compressor 1 pump housing; Compressor 1, refrigerant condenser 3 and evaporimeter 2 form the main road closed circuit be used for indoor cooling, and an opening of refrigerant condenser 3 is communicated with evaporimeter 2; The outlet of pump housing condenser 4 cools entrance with the pump housing of compressor 1 and is communicated with, and the entrance of pump housing condenser 4 is communicated with the pump housing coolant outlet of compressor 1, forms the pump housing cooling circuit be used for pump housing cooling; Also comprise changeover module, break-make between another opening of changeover module control refrigerant condenser 3 and the entrance of pump housing condenser 4 and the break-make between the entrance of pump housing coolant outlet and compressor 1, when being communicated with of another opening of refrigerant condenser 3 and the entrance of pump housing condenser 4, pump housing coolant outlet is communicated with the entrance of compressor 1; When the disconnection of another opening of refrigerant condenser 3 and the entrance of pump housing condenser 4, the entrance of pump housing coolant outlet and compressor 1 disconnects, so reach to control between another opening of refrigerant condenser 3 and the entrance of pump housing condenser 4 and between the entrance of pump housing coolant outlet and compressor 1 while break-make.
The air-conditioning system that the embodiment of the present invention provides, when refrigerating state, by controlling changeover module, make the disconnection of another opening of refrigerant condenser 3 and the entrance of pump housing condenser 4, the entrance of pump housing coolant outlet and compressor 1 disconnects, make main road closed circuit and the separate operation of pump housing cooling circuit, acted on by the pump housing condenser 4 in pump housing cooling circuit, the pump housing in compressor 1 is cooled, cake compressibility is reduced, thus reduce compressor air-discharging enthalpy, condensation load decreases, because refrigerant condenser 3 and pump housing condenser 4 are separate, while guaranteeing that refrigerant condenser 3 meets indoor refrigeration demand, pump housing condenser 4 is effectively utilized to realize pump housing cooling, thus reduce compression horsepower, improve refrigeration performance, when heating state, by controlling changeover module, make the connection of another opening of refrigerant condenser 3 and the entrance of pump housing condenser 4, pump housing coolant outlet is connected with the entrance of compressor 1, the cold-producing medium flowed out by the outlet of compressor 1 is successively through evaporator 2, refrigerant condenser 3, pump housing condenser 4, pump housing cooling entrance and pump housing coolant outlet, finally flow into the entrance of compressor 1, by above-mentioned setting, ensure that the acting in conjunction of refrigerant condenser 3 and pump housing condenser 4, and, effectively make use of the pump housing heat radiation of compressor 1, pump housing heat radiation is as a part for circulatory system evaporation endothermic, reduce compression ratio, carry and then effectively improve heating performance.The air-conditioning system that the embodiment of the present invention provides, improves refrigeration and the heating capacity of air-conditioning.
By comparing the cooled compressed performance after the cooling pump housing and the adiabatic compression performance after the isolated pump housing (namely not cooling the pump housing), the heat dissipation capacity q of compression process is equal with compressor air-discharging enthalpy reducing amount (i.e. condensation load reducing amount) with work done during compression decreasing value w sum.Therefore, the cooling of the pump housing will make full use of the unnecessary cooling capacity produced because condensation load declines, then can not affect refrigeration.
Synchronous in order to realize switching, in the present embodiment, air-conditioning system comprises for heating and a D mouth of pipe D of the first cross valve 5, first cross valve 5 switched that freezes
1be communicated with the port of export of compressor, its C mouth of pipe C
1with another open communication of evaporimeter 2, its S mouth of pipe S
1be communicated with the entrance point of compressor 1; Changeover module is the second cross valve 6; 2nd D mouth of pipe D of the second cross valve 6
2with an E mouth of pipe E of the first cross valve 5
1be communicated with, its 2nd C mouth of pipe C
2be communicated with the pump housing coolant outlet of compressor 1, its 2nd S mouth of pipe S
2with the inlet communication of pump housing condenser 4, its 2nd E mouth of pipe E
2with another open communication of refrigerant condenser 3.
As shown in Figure 1, when refrigerating state, the disconnection of another opening of refrigerant condenser 3 and the entrance of pump housing condenser 4, the entrance of pump housing coolant outlet and compressor 1 disconnects.Now, a D mouth of pipe D of the first cross valve 5
1with an E mouth of pipe E
1be communicated with, a C mouth of pipe C
1with a S mouth of pipe S
1be communicated with; 2nd D mouth of pipe D of the second cross valve 6
2with the 2nd E mouth of pipe E
2be communicated with, the 2nd C mouth of pipe C
2with the 2nd S mouth of pipe S
2be communicated with.
In main road closed circuit: low temperature low pressure gas a4 flows into compressor 1 and is compressed into HTHP exhaust a1 after the first cross valve 5, refrigerant condenser 3 is entered successively again after the first cross valve 5 and the second cross valve 6, high pressure liquid refrigerant a2 is formed after heat exchange, form low-temp low-pressure biphase gas and liquid flow a3 through throttling arrangement and enter evaporimeter 2, form low temperature low pressure gas a4 after evaporation and heat-exchange, enter compressor 1 through the first cross valve 5.
In pump housing cooling circuit: refrigerant liquid b2 cools entrance inflow compressor 1 by the outlet of pump housing condenser 4 through the pump housing of compressor 1, in compressor 1, absorb the heat of the pump housing and form refrigerant vapour b1, refrigerant vapour b1 is flowed into by the entrance of pump housing condenser 4 through the pump housing coolant outlet of compressor 1, under outside cooling effect, release heat, condense into refrigerant liquid b2.
As shown in Figure 2, during heating operation, the connection of another opening of refrigerant condenser 3 and the entrance of pump housing condenser 4, pump housing coolant outlet is connected with the entrance of compressor 1.Now, a D mouth of pipe D of the first cross valve 5
1with a C mouth of pipe C
1be communicated with, an E mouth of pipe E
1with a S mouth of pipe S
1be communicated with; 2nd D mouth of pipe D of the second cross valve 6
2with the 2nd C mouth of pipe C
2be communicated with, the 2nd E mouth of pipe E
2with the 2nd S mouth of pipe S
2be communicated with.
Main road closed circuit is connected with pump housing cooling circuit: low temperature low pressure gas a6 is compressed into HTHP through compressor 1 and is vented a1, evaporimeter 2 is entered through the first cross valve 5, condensation becomes high pressure liquid refrigerant a2, form low-temp low-pressure biphase gas and liquid flow a3 through throttling arrangement and enter refrigerant condenser 3 evaporation formation primary refrigerant gas a4, continue to enter in pump housing condenser 4 through the second cross valve 6 and form secondary refrigerant gas a5 after evaporation, secondary refrigerant gas a5 cools entrance inflow compressor 1 by the outlet of pump housing condenser 4 through the pump housing of compressor 1, the heat absorbing the pump housing in compressor 1 evaporates further and forms low temperature low pressure gas a6, a6 enters compressor by the second cross valve 6 and the first cross valve 5 by the entrance point of compressor 1 successively.
As shown in Figure 3 and Figure 4, in another kind of embodiment, air-conditioning system comprises for heating and the D mouth of pipe D of the first cross valve 5, first cross valve 5 switched that freezes
1be communicated with the port of export of compressor, its C mouth of pipe C
1with another open communication of evaporimeter 2, its S mouth of pipe S
1be communicated with the entrance point of compressor 1; Changeover module first triple valve 7 and the second triple valve 8; First triple valve 7 connects an E mouth of pipe E of the first cross valve
1, pump housing coolant outlet and pump housing condenser 4 entrance, the second triple valve 8 connects an E mouth of pipe E of the first cross valve
1, the entrance of pump housing condenser 4 and another opening of refrigerant condenser 3.
Be understandable that, the first triple valve 7 and the second triple valve 8 are preferably two position three-way valve.Wherein, during the state that the entrance that the first triple valve 7 is in pump housing condenser 4 is communicated with pump housing coolant outlet, the second triple valve 8 is in an E mouth of pipe E of the first cross valve
1with the state of another open communication of refrigerant condenser 3; First triple valve 7 is in an E mouth of pipe E of the first cross valve
1during the state be communicated with pump housing coolant outlet, the second triple valve 8 is in the state of the entrance of pump housing condenser 4 and another open communication of refrigerant condenser 3.
When refrigerating state, the first cross valve 5 is in refrigerating state, i.e. a D mouth of pipe D of the first cross valve 5
1with an E mouth of pipe E
1be communicated with, a C mouth of pipe C
1with a S mouth of pipe S
1be communicated with; And the state that the entrance that the first triple valve 7 is in pump housing condenser 4 is communicated with pump housing coolant outlet, the second triple valve 8 is in an E mouth of pipe E of the first cross valve
1with the state of another open communication of refrigerant condenser 3.This make main road closed circuit and pump housing cooling circuit separate.
When heating state, the first cross valve 5 is in the state of heating, i.e. a D mouth of pipe D of the first cross valve 5
1with a C mouth of pipe C
1be communicated with, an E mouth of pipe E
1with a S mouth of pipe S
1be communicated with; And the first triple valve 7 is in an E mouth of pipe E of the first cross valve
1the state be communicated with pump housing coolant outlet, the second triple valve 8 is in the state of the entrance of pump housing condenser 4 and another open communication of refrigerant condenser 3.Cold-producing medium enters evaporimeter 2 by the outlet of compressor 1, successively through refrigerant condenser 3 and pump housing condenser 4 after throttling arrangement, cool entrance inflow compressor 1 by the outlet of pump housing condenser 4 through the pump housing of compressor 1 again, then flowed into the entrance of compressor 1 by the pump housing coolant outlet of compressor 1.
Also can adopt that multiple two-port valve or multiple two-port valve and triple valve are used in combination reaches above-mentioned effect, introduce no longer in detail at this, only need to meet above-mentioned flow of refrigerant direction.
In order to the cold-producing medium smooth outflow in refrigerating state lower pump body cooling circuit, the air-conditioning system that the embodiment of the present invention provides also comprises the pumping installations being arranged at pump housing cooling circuit.By the effect of pumping installations, make the flow of refrigerant in pump housing cooling circuit.Wherein, pumping installations can be the device such as hydraulic pump or compressor, to introduce no longer one by one and all within protection domain at this.
Preferably, the pump housing that pumping installations is arranged at pump housing condenser 4 and compressor 1 cools between entrance.Also pumping installations can be arranged at other position, as the entrance point of pump housing condenser 4 or the pump housing coolant outlet place of compressor 1.
Also pump housing cooling circuit can be set to gravity assisted heat pipe self circular loop, namely cold-producing medium is by himself gravity circulation.Wherein, pump housing condenser 4 place horizontal plane is higher than compressor 1 place horizontal plane.As shown in Figure 1, refrigerant liquid b2 flows downward under gravity, absorb the heat of compressor 1 inner pump through compressor 1 and constantly evaporate and form refrigerant vapour b1, refrigerant vapour b1 upwards flows over the second cross valve 6, enter pump housing condenser 4, cooling condenses into refrigerant liquid b2, gets back to compressor 1 under gravity after releasing heat.
Further, the horizontal level of pump housing cooling entrance on compressor 1 is lower than the horizontal level of pump housing coolant outlet on compressor 1.
Further, the horizontal level of the entrance of pump housing condenser 4 on pump housing condenser 4 is higher than the horizontal level of outlet on pump housing condenser 4 of pump housing condenser 4.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. an air-conditioning system, comprise compressor (1) and evaporimeter (2), it is characterized in that, also comprise: for the refrigerant condenser (3) of indoor refrigeration and the pump housing condenser (4) for cooling described compressor (1) pump housing;
Described compressor (1), described refrigerant condenser (3) and described evaporimeter (2) form the main road closed circuit be used for indoor cooling, and an opening of described refrigerant condenser (3) is communicated with described evaporimeter (2); The outlet of described pump housing condenser (4) cools entrance with the pump housing of described compressor (1) and is communicated with, the entrance of described pump housing condenser (4) is communicated with the pump housing coolant outlet of described compressor (1), forms the pump housing cooling circuit be used for pump housing cooling;
Also comprise control described refrigerant condenser (3) between another opening and the entrance of described pump housing condenser (4) and between the entrance of described pump housing coolant outlet and described compressor (1) while break-make changeover module.
2. air-conditioning system as claimed in claim 1, is characterized in that, described air-conditioning system comprises for heating and the first cross valve (5) switched that freezes, a D mouth of pipe (D of described first cross valve (5)
1) be communicated with the port of export of described compressor, its C mouth of pipe (C
1) with another open communication of described evaporimeter (2), its S mouth of pipe (S
1) be communicated with the entrance point of described compressor (1);
Described changeover module is the second cross valve (6); The 2nd D mouth of pipe (D of described second cross valve (6)
2) with a E mouth of pipe (E of described first cross valve
1) be communicated with, its 2nd C mouth of pipe (C
2) be communicated with the pump housing coolant outlet of described compressor (1), its 2nd S mouth of pipe (S
2) with the inlet communication of described pump housing condenser (4), its 2nd E mouth of pipe (E
2) with another open communication of described refrigerant condenser (3).
3. air-conditioning system as claimed in claim 1, is characterized in that, described air-conditioning system comprises for heating and the first cross valve (5) switched that freezes, a D mouth of pipe (D of described first cross valve (5)
1) be communicated with the port of export of described compressor, its C mouth of pipe (C
1) with another open communication of described evaporimeter (2), its S mouth of pipe (S
1) be communicated with the entrance point of described compressor (1);
Described changeover module first triple valve (7) and the second triple valve (8);
Described first triple valve (7) connects a E mouth of pipe (E of described first cross valve
1), the entrance of described pump housing coolant outlet and described pump housing condenser (4), described second triple valve (8) connects a E mouth of pipe (E of described first cross valve
1), the entrance of described pump housing condenser (4) and another opening of described refrigerant condenser (3).
4. air-conditioning system as claimed in claim 1, is characterized in that, also comprise the pumping installations being arranged at described pump housing cooling circuit.
5. air-conditioning system as claimed in claim 4, it is characterized in that, the pump housing that described pumping installations is arranged at described pump housing condenser (4) and described compressor (1) cools between entrance.
6. the air-conditioning system as described in any one of claim 1-5, is characterized in that, described pump housing condenser (4) place horizontal plane is higher than described compressor (1) place horizontal plane.
7. air-conditioning system as claimed in claim 6, is characterized in that, the horizontal level of described pump housing cooling entrance on described compressor (1) is lower than the horizontal level of described pump housing coolant outlet on described compressor (1).
8. air-conditioning system as claimed in claim 6, it is characterized in that, the entrance of described pump housing condenser (4) horizontal level on described pump housing condenser (4) is higher than the horizontal level of outlet on described pump housing condenser (4) of described pump housing condenser (4).
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 true CN104344595A (en) | 2015-02-11 |
| CN104344595B 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104344595B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140020A (en) * | 2016-08-01 | 2019-01-04 | 珠海格力电器股份有限公司 | Air conditioner, four-way valve and switching device thereof |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140020A (en) * | 2016-08-01 | 2019-01-04 | 珠海格力电器股份有限公司 | Air conditioner, four-way valve and switching device thereof |
| 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 |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104344595B (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018054052A1 (en) | Air conditioner and defrosting system thereof | |
| US11167620B2 (en) | Thermal management system | |
| CN106338112B (en) | Air conditioner heat recovery system | |
| CN103925753A (en) | Air conditioning equipment | |
| CN109140815B (en) | Thermal management system and flow control device | |
| CN105004100B (en) | Vapor compression refrigeration/heat pump system of single refrigerant circuit, more pressures of inspiration(Pi) | |
| CN105004090A (en) | Multi-split air-conditioning system and supercooling and enhanced vapor injection method thereof | |
| JP6218659B2 (en) | Refrigeration air conditioner | |
| JP5375919B2 (en) | heat pump | |
| WO2013135048A1 (en) | Heat exchanger and cabinet | |
| CN203068889U (en) | Air conditioning equipment | |
| JP2014126350A (en) | Air conditioner | |
| JP2011133133A (en) | Refrigerating device | |
| CN104344595A (en) | Air conditioning system | |
| JP2017146015A (en) | Air conditioner | |
| CN205939465U (en) | Multi -split air conditioning system | |
| CN105333642A (en) | Cold and heat type heat pump system | |
| CN105588365B (en) | A kind of heat-flash type outdoor unit, heat pump system and its control method | |
| JP5693247B2 (en) | Refrigeration cycle apparatus and refrigerant discharge apparatus | |
| CN103968594B (en) | A kind of Air-Cooled Heat Pump Unit | |
| EP3290827A1 (en) | Defrosting without reversing refrigerant cycle | |
| TWI557385B (en) | Heat pump for heating and cooling | |
| KR100528292B1 (en) | Heat-pump type air conditioner | |
| KR20130055953A (en) | Heat pump system using two step heat pump unit | |
| WO2019128517A1 (en) | Air-conditioner system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |