CN203533718U - Multi-connected air conditioning unit - Google Patents
Multi-connected air conditioning unit Download PDFInfo
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- CN203533718U CN203533718U CN201320718905.3U CN201320718905U CN203533718U CN 203533718 U CN203533718 U CN 203533718U CN 201320718905 U CN201320718905 U CN 201320718905U CN 203533718 U CN203533718 U CN 203533718U
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- heat exchanger
- cross valve
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- compressor
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 64
- 230000008676 import Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 description 59
- 230000005494 condensation Effects 0.000 description 18
- 238000009833 condensation Methods 0.000 description 18
- 238000005057 refrigeration Methods 0.000 description 16
- 238000007791 dehumidification Methods 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 13
- 238000001704 evaporation Methods 0.000 description 10
- 230000008020 evaporation Effects 0.000 description 10
- 239000003921 oil Substances 0.000 description 10
- 238000004781 supercooling Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model provides a multiple air conditioning unit, this multiple air conditioning unit includes: a first circulation system and a second circulation system, the first circulation system comprising: the air conditioner comprises a compressor, a first four-way valve, a first indoor heat exchanger, a first throttling component and a first outdoor heat exchanger; the second circulation system includes: the compressor, a second four-way valve, a second indoor heat exchanger, a second throttling component and a second outdoor heat exchanger; four valve ports of the second four-way valve are respectively communicated with an air suction port of the compressor, an air exhaust port of the compressor, the second outdoor heat exchanger and the second indoor heat exchanger, and the second indoor heat exchanger and the second outdoor heat exchanger are connected through a second throttling component. According to the multi-connected air conditioning unit, the running modes of the first circulating system and the second circulating system are changed by changing the conduction directions of the first four-way valve and the second four-way valve, so that the first circulating system and the second circulating system can run simultaneously in different modes, and the use requirements of users can be met.
Description
Technical field
The utility model relates to multi-connected machine technical field, more particularly, relates to a kind of VRF Air Conditioning System.
Background technology
VRF Air Conditioning System is saved the energy, is used the advantages such as high flexible by it, is widely used gradually.
In actual use, may there is difference in indoor requirement, needs different indoor sets to move with different patterns simultaneously, for example, needs refrigeration in a room, in another room, needs to heat.But for VRF Air Conditioning System, all indoor sets can only be with identical mode operation, all indoor sets move with refrigeration mode, or with heating mode operation, cause VRF Air Conditioning System can not meet user's instructions for use.
In sum, how providing a kind of VRF Air Conditioning System, can move with different patterns simultaneously, and then meet user's instructions for use to realize different indoor sets, is current those skilled in the art's problem demanding prompt solution.
Utility model content
The purpose of this utility model is to provide a kind of VRF Air Conditioning System, can move with different mode simultaneously, and then meet user's instructions for use to realize different indoor sets.
To achieve these goals, the utility model provides following technical scheme:
A VRF Air Conditioning System, comprises first circulatory system and second circulatory system, and described first circulatory system comprises: compressor, the first cross valve, the first indoor heat exchanger, first throttle parts, the first outdoor heat exchanger; Described second circulatory system comprises: described compressor, the second cross valve, the second indoor heat exchanger, second section stream unit, the second outdoor heat exchanger; Wherein, four valve ports of described the second cross valve respectively with the air entry of described compressor, the exhaust outlet of described compressor, described the second outdoor heat exchanger and described the second indoor heat exchanger are communicated with, described the second indoor heat exchanger is connected by described second section stream unit with described the second outdoor heat exchanger.
Preferably, above-mentioned VRF Air Conditioning System, also comprises heat-exchanger rig, and described heat-exchanger rig comprises: housing, and the first heat exchanger tube and the second heat exchanger tube that are positioned at described enclosure interior and can carry out heat exchange; Described the first heat exchanger tube series connection is arranged between described first throttle parts and described the first cross valve; Described the second heat exchanger tube series connection is arranged between described second section stream unit and described the second cross valve.
Preferably, in above-mentioned VRF Air Conditioning System, described heat-exchanger rig is double pipe heat exchanger.
Preferably, above-mentioned VRF Air Conditioning System, also comprise oil eliminator, the gas outlet of described oil eliminator is communicated with described the first cross valve and described the second cross valve respectively, the import of described oil eliminator is communicated with the exhaust outlet of described compressor, and the liquid outlet of described oil eliminator is communicated with the air entry of described compressor.
Preferably, in above-mentioned VRF Air Conditioning System, described VRF Air Conditioning System is one drag two air-conditioning unit or an one driven multiple air conditioner group.
Preferably, in above-mentioned VRF Air Conditioning System, described first throttle parts and second section stream unit are electric expansion valve or capillary.
Preferably, above-mentioned VRF Air Conditioning System, also comprises the integrated housing with two heat exchanging chambers, and described the second outdoor heat exchanger is positioned at a described heat exchanging chamber, and described the first outdoor heat exchanger is positioned at heat exchanging chamber described in another.
Preferably, in above-mentioned VRF Air Conditioning System, the first valve port a1 of described the first cross valve and the first valve port a2 of described the second cross valve are communicated with the exhaust outlet of described compressor respectively, the second valve port b1 of described the first cross valve and the second valve port b2 of described the second cross valve are communicated with the air entry of described compressor respectively, the 3rd valve port c1 of described the first cross valve and the 4th valve port d2 of described the second cross valve are communicated with described the second indoor heat exchanger respectively, the 4th valve port d1 of described the first cross valve and the 3rd valve port c2 of described the second cross valve are communicated with described the second outdoor heat exchanger respectively.
The VRF Air Conditioning System that the utility model provides, by setting up second circulatory system, second circulatory system has the second cross valve, first circulatory system has the first cross valve, and second circulatory system and first circulatory system share a compressor, by changing the conducting direction of the first cross valve, change the operational mode of first circulatory system, by changing the conducting direction of the second cross valve, change the operational mode of second circulatory system, the operational mode of the operational mode of first circulatory system and second circulatory system is independent of each other, relatively independent, thereby can realize first circulatory system and second circulatory system is moved with different mode simultaneously, and then can meet user's instructions for use.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the VRF Air Conditioning System that Fig. 1 provides for the utility model embodiment;
The VRF Air Conditioning System that Fig. 2 provides for the utility model embodiment when the first mode of operation refrigerant flow to schematic diagram;
The VRF Air Conditioning System that Fig. 3 provides for the utility model embodiment when the second mode of operation refrigerant flow to schematic diagram;
The VRF Air Conditioning System that Fig. 4 provides for the utility model embodiment when the third mode of operation refrigerant flow to schematic diagram;
The VRF Air Conditioning System that Fig. 5 provides for the utility model embodiment when the 4th kind of mode of operation refrigerant flow to schematic diagram.
In upper Fig. 1-5:
1 is that compressor, 2 is that oil eliminator, 3 is that the second cross valve, 4 is that the first cross valve, 5 is that the second outdoor heat exchanger, 6 is that the first outdoor heat exchanger, 7 is that integrated housing, 8 is that heat-exchanger rig, 9 is that second section stream unit, 10 is that first throttle parts, 11 are that the second indoor heat exchanger, 12 is the first indoor heat exchanger.
The specific embodiment
The utility model embodiment provides a kind of VRF Air Conditioning System, can realize first circulatory system and second circulatory system can be moved with different mode simultaneously, and then can meet user's instructions for use.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The VRF Air Conditioning System that the utility model embodiment provides, comprise: first circulatory system and second circulatory system, this first circulatory system comprises: compressor 1, the first cross valve 4, the first indoor heat exchanger 12, first throttle parts 10, the first outdoor heat exchanger 6; This second circulatory system comprises: compressor 1, the second cross valve 3, the second indoor heat exchanger 11, second section stream unit 9, the second outdoor heat exchanger 5; Wherein, four valve ports of the second cross valve 3 respectively with the air entry of compressor 1, the exhaust outlet of compressor 1, the second outdoor heat exchanger 5 and the second indoor heat exchanger 11 are connected, the second indoor heat exchanger 11 is connected by second section stream unit 9 with the second outdoor heat exchanger 5.
The VRF Air Conditioning System that the utility model embodiment provides, by setting up second circulatory system, second circulatory system has the second cross valve 3, first circulatory system has the first cross valve 4, and second circulatory system and first circulatory system share a compressor 1, by changing the conducting direction of the first cross valve 4, change the operational mode of first circulatory system, by changing the conducting direction of the second cross valve 3, change the operational mode of second circulatory system, the operational mode of the operational mode of first circulatory system and second circulatory system is independent of each other, relatively independent, thereby can realize first circulatory system and second circulatory system is moved with different mode simultaneously, and then can meet user's instructions for use.
In the VRF Air Conditioning System that above-described embodiment provides, first circulatory system and second circulatory system be all with the operation of refrigeration mode or dehumidification mode, or one moves with refrigeration mode, and another one is moved with dehumidification mode, and refrigerant flows to as shown in Figure 2.The high-temperature gas refrigerant that compressor 1 is discharged is divided into two streams, first-class refrigerant flow to the first outdoor heat exchanger 6 and carries out condensation heat release through the first cross valve 4, heat is discharged in external environment, condensed refrigerant flow to the first indoor heat exchanger 12 and carries out evaporation endothermic through first throttle parts 10, reduce indoor temperature, last refrigerant first cross valve 4 of hanging oneself is back to compressor 1; Another stream refrigerant flow to the second outdoor heat exchanger 5 and carries out condensation heat release through the second cross valve 3, heat is discharged in external environment, condensed refrigerant flow to the second indoor heat exchanger 11 and carries out evaporation endothermic through second section stream unit 9, reduce indoor temperature, last refrigerant is back to compressor 1 through the second cross valve 3.
The VRF Air Conditioning System that above-described embodiment provides, first circulatory system and second circulatory system are all with heating mode operation, and refrigerant flows to as shown in Figure 3.The high-temperature gas refrigerant that compressor 1 is discharged is divided into two streams, first-class refrigerant flow to the first indoor heat exchanger 12 and carries out condensation heat release through the first cross valve 4, rising indoor temperature, condensed refrigerant flow to the first outdoor heat exchanger 6 and carries out evaporation endothermic through first throttle parts 10, and last refrigerant is back to compressor 1 through the first cross valve 4; Another stream refrigerant flow to the second indoor heat exchanger 11 and carries out condensation heat release through the second cross valve 3, rising indoor temperature, condensed refrigerant flow to the second outdoor heat exchanger 5 and carries out evaporation endothermic through second section stream unit 9, and last, refrigerant is back to compressor 1 through the second cross valve 3.
The VRF Air Conditioning System that above-described embodiment provides, first circulatory system is with refrigeration mode or dehumidification mode operation, and second circulatory system is moved with heating mode, and refrigerant flows to as shown in Figure 4.The high-temperature gas refrigerant that compressor 1 is discharged is divided into two streams, first-class refrigerant flow to the first outdoor heat exchanger 6 and carries out condensation heat release through the first cross valve 4, then through first throttle parts 10, flow to the first indoor heat exchanger 12 and carry out evaporation endothermic, reduce indoor temperature, finally by the first cross valve 4, be back to compressor 1; Another stream refrigerant carries out condensation heat release in the second cross valve 3 flow to the second indoor heat exchanger 11, and rising indoor temperature, then flow to the second outdoor heat exchanger 5 and carry out evaporation endothermic through second section stream unit 9, finally by the second cross valve 3, is back to compressor 1.
The VRF Air Conditioning System that above-described embodiment provides, first circulatory system is moved with heating mode, and second circulatory system is with refrigeration mode or dehumidification mode operation, and refrigerant flows to as shown in Figure 5.The high-temperature gas refrigerant that compressor 1 is discharged is divided into two streams, first-class refrigerant flow to the first indoor heat exchanger 12 and carries out condensation heat release through the first cross valve 4, rising indoor temperature, then through first throttle parts 10, flow to the first outdoor heat exchanger 6 and carry out evaporation endothermic, last refrigerant is back to compressor 1 through the first cross valve 4; Another stream refrigerant flow to the second outdoor heat exchanger 5 and carries out condensation heat release through the second cross valve 3, then through second section stream unit 9, flow to the second indoor heat exchanger 11 and carry out evaporation endothermic, reduce indoor temperature, last refrigerant is back to compressor 1 through the second cross valve 3.
In order further to optimize technique scheme, the VRF Air Conditioning System that above-described embodiment provides, also comprises heat-exchanger rig 8, and heat-exchanger rig 8 comprises: housing, and the first heat exchanger tube and the second heat exchanger tube that are positioned at enclosure interior and can carry out heat exchange; The first heat exchanger tube series connection is arranged between first throttle parts 10 and the first cross valve 4; The second heat exchanger tube series connection is arranged between second section stream unit 9 and the second cross valve 3.Like this, the flow through refrigerant of the first heat exchanger tube and the refrigerant of the second heat exchanger tube of flowing through can carry out heat exchange, when first circulatory system and second circulatory system are moved with model identical, can balanced the first heat exchanger tube and the second heat exchanger tube in the heat of two parts refrigerant, guaranteed the equilibrium of first circulatory system and the second circulatory system heat; When first circulatory system and second circulatory system are moved with different mode, can making refrigerant carry out condensation, to cross cold-peace evaporation overheated, realizes dual lifting effect, thereby effectively improved the Energy Efficiency Ratio of this VRF Air Conditioning System.Heat-exchanger rig 8 has various structures, can preferentially select heat-exchanger rig 8 for double pipe heat exchanger, certainly also can select the heat exchanger of other types, the utility model embodiment these not to be done particularly and limit.
It should be noted that, in heat-exchanger rig 8, the refrigerant in the refrigerant in the first heat exchanger tube and the second heat exchanger tube can only carry out exchange heat, can not carry out mass exchange.
Preferably, in the VRF Air Conditioning System that above-described embodiment provides, the first heat exchanger tube is between first throttle parts 10 and the first outdoor heat exchanger 6; The second heat exchanger tube is between second section stream unit 9 and the second outdoor heat exchanger 5.Concrete, in the VRF Air Conditioning System that above-described embodiment provides, when first circulatory system and second circulatory system are during all with refrigeration mode or dehumidification mode operation, or one is moved with refrigeration mode, when another one is moved with dehumidification mode, refrigerant through the first outdoor heat exchanger 6 condensations enters the first heat exchanger tube, refrigerant through the second outdoor heat exchanger 5 condensations enters the second heat exchanger tube, refrigerant in refrigerant in the first heat exchanger tube and the second heat exchanger tube carries out heat exchange, balance degree of supercooling, make the degree of supercooling of two parts refrigerant more consistent, be conducive to improve the Energy Efficiency Ratio of whole VRF Air Conditioning System, when first circulatory system and second circulatory system are all moved with heating mode, refrigerant through the first indoor heat exchanger 12 condensations enters the first heat exchanger tube through first throttle parts 10, refrigerant through the second indoor heat exchanger 11 condensations enters the second heat exchanger tube through second section stream unit 9, refrigerant in refrigerant in the first heat exchanger tube and the second heat exchanger tube carries out heat exchange, balance degree of supercooling, make the degree of supercooling of two parts refrigerant more consistent, be conducive to improve the Energy Efficiency Ratio of whole VRF Air Conditioning System, when first circulatory system is with refrigeration mode or dehumidification mode operation, when second circulatory system is moved with heating mode, refrigerant through the first outdoor heat exchanger 6 condensations enters the first heat exchanger tube, refrigerant through the second indoor heat exchanger 11 condensations enters the second heat exchanger tube after 9 throttlings of second section stream unit, refrigerant in refrigerant in the first heat exchanger tube and the second heat exchanger tube carries out heat exchange, make the refrigerant in the second heat exchanger tube further overheated, improved the degree of superheat, refrigerant in the first heat exchanger tube is further excessively cold, improved degree of supercooling, and then effectively improved the Energy Efficiency Ratio of whole VRF Air Conditioning System, when first circulatory system is moved with heating mode, when second circulatory system is moved with refrigeration mode or dehumidification mode, refrigerant through the first indoor heat exchanger 12 condensations enters the first heat exchanger tube after 10 throttlings of first throttle parts, refrigerant through the second outdoor heat exchanger 5 condensations enters the second heat exchanger tube, refrigerant in refrigerant in the first heat exchanger tube and the second heat exchanger tube carries out heat exchange, make the refrigerant in the first heat exchanger tube further overheated, improved the degree of superheat, refrigerant in the second heat exchanger tube is further excessively cold, improved degree of supercooling, and then effectively improved the Energy Efficiency Ratio of whole VRF Air Conditioning System.
Preferably, the VRF Air Conditioning System that above-described embodiment provides, also comprise oil eliminator 2, the gas outlet of this oil eliminator 2 is connected with the second cross valve 3 with the first cross valve 4 respectively, the import of oil eliminator 2 is connected with the exhaust outlet of compressor 1, and the liquid outlet of oil eliminator 2 is connected with the air entry of compressor 1.Like this, by oil eliminator 2 by the lubricating oil separation in refrigerant, thereby effectively improve the service behaviour of this VRF Air Conditioning System.
In the VRF Air Conditioning System that above-described embodiment provides, VRF Air Conditioning System is one drag two air-conditioning unit or an one driven multiple air conditioner group.In actual application, arrange according to demand, the number of the number of the first indoor heat exchanger 12 and the second indoor heat exchanger 11 is separate, does not influence each other.
In the VRF Air Conditioning System that above-described embodiment provides, first throttle parts 10 and second section stream unit 9 are electric expansion valve or capillary.Also can select, first throttle parts 10 and second section stream unit 9, wherein one is electric expansion valve, another one is capillary.Certainly, first throttle parts 10 and second section stream unit 9 also can be other throttle parts, and the utility model embodiment does not do this particularly and limits.
In order to reduce volume, the VRF Air Conditioning System that above-described embodiment provides, also comprises that integrated housing 7, the second outdoor heat exchangers 5 with two heat exchanging chambers are positioned at a heat exchanging chamber, and the first outdoor heat exchanger 6 is positioned at another heat exchanging chamber.Like this, the first outdoor heat exchanger 6 and the second outdoor heat exchanger 5 are integrated in integrated housing 7, form a whole off-premises station, effectively reduced volume, facilitated installation and the conveying of off-premises station.Preferably, two heat exchanging chambers can carry out heat exchange, the first outdoor heat exchanger 6 and the second outdoor heat exchanger 5 can carry out heat exchange, thereby evaporation process has been increased after heat and condensation process and increased after cold, have effectively improved the heat exchange efficiency of this VRF Air Conditioning System.
It should be noted that, between two heat exchanging chambers, can carry out heat exchange, can not carry out heat exchange (two heat exchanging chamber heat insulations) yet, according to the actual requirements, design, the utility model embodiment does not do this particularly and limits.Two heat exchanging chambers can be realized by being arranged at the dividing plate of integrated housing 7 inside, also can realize by other structures, and the utility model embodiment does not do this particularly and limits.
Preferably, in the VRF Air Conditioning System that above-described embodiment provides, the first valve port a1 of the first cross valve 4 and the first valve port a2 of the second cross valve 3 are communicated with the exhaust outlet of compressor 1 respectively, the second valve port b1 of the first cross valve 4 and the second valve port b2 of the second cross valve 3 are communicated with the air entry of compressor 1 respectively, the 3rd valve port c1 of the first cross valve 4 and the 4th valve port d2 of the second cross valve 3 are communicated with the second indoor heat exchanger 11 respectively, and the 4th valve port d1 of the first cross valve 4 and the 3rd valve port c2 of the second cross valve 3 are communicated with the second outdoor heat exchanger 5 respectively.
It should be noted that, the first cross valve 4 is identical with the structure of the second cross valve 3, concrete, and the first cross valve 4 is when charged, and the first valve port a1 is communicated with the 3rd valve port c1, and the second valve port b1 is communicated with the 4th valve port d1; The second cross valve 3 is when charged, and the first valve port a2 is communicated with the 3rd valve port c2, and the second valve port b2 is communicated with the 4th valve port d2.But, the first cross valve 4 is different with the connection of the second cross valve 3, concrete, the 3rd valve port c1 of the first cross valve 4 and the 4th valve port d2 of the second cross valve 3 are communicated with the second indoor heat exchanger 11 respectively, and the 4th valve port d1 of the first cross valve 4 and the 3rd valve port c2 of the second cross valve 3 are communicated with the second outdoor heat exchanger 5 respectively.
Concrete, above-mentioned VRF Air Conditioning System, when first circulatory system and second circulatory system are all with refrigeration mode or dehumidification mode operation, or one needs dehumidifying, when another one need to be freezed, the first cross valve 4 is not charged, and the second cross valve 3 is charged, and the 4th valve port d1 of the first cross valve 4 and the 3rd valve port c2 of the second cross valve 3 are communicated with the exhaust outlet of compressor 1 respectively;
When first circulatory system and second circulatory system are all moved with heating mode, the first cross valve 4 is charged, and the second cross valve 3 is not charged, and the 3rd valve port c1 of the first cross valve 4 and the 4th valve port d2 of the second cross valve 3 are communicated with the exhaust outlet of compressor 1 respectively;
When first circulatory system is with refrigeration mode or dehumidification mode operation, when second circulatory system is moved with heating mode, the first cross valve 4 is not charged, the second cross valve 3 is not charged, and the 4th valve port d1 of the first cross valve 4 and the 4th valve port d2 of the second cross valve 3 are communicated with the exhaust outlet of compressor 1 respectively;
When first circulatory system is moved with heating mode, when second circulatory system is moved with refrigeration mode or dehumidification mode, the first cross valve 4 is charged, the second cross valve 3 is charged, and the 3rd valve port c1 of the first cross valve 4 and the 3rd valve port c2 of the second cross valve 3 are communicated with the exhaust outlet of described compressor 1 respectively.
In the VRF Air Conditioning System that above-described embodiment provides, the first cross valve 4 is identical with the structure of the second cross valve 3, also can select the first cross valve 4 identical with the connected mode of the second cross valve 3, concrete, the 3rd valve port c1 of the first cross valve 4 and the 3rd valve port c2 of the second cross valve 3 are communicated with the second indoor heat exchanger 11 respectively, and the 4th valve port d1 of the first cross valve 4 and the 4th valve port d2 of the second cross valve 3 are communicated with the second outdoor heat exchanger 5 respectively.When first circulatory system and second circulatory system are all with refrigeration mode or dehumidification mode operation, or one needs dehumidifying, and when another one need to be freezed, the first cross valve 4 and the second cross valve 3 are all not charged; When first circulatory system and second circulatory system are all moved with heating mode, the first cross valve 4 and the second cross valve 3 are all charged; When first circulatory system is with refrigeration mode or dehumidification mode operation, when second circulatory system is moved with heating mode, the first cross valve 4 is not charged, and the second cross valve 3 is charged; When first circulatory system is moved with heating mode, when second circulatory system is moved with refrigeration mode or dehumidification mode, the first cross valve 4 is charged, and the second cross valve 3 is not charged.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a VRF Air Conditioning System, comprises first circulatory system, and described first circulatory system comprises: compressor (1), the first cross valve (4), the first indoor heat exchanger (12), first throttle parts (10), the first outdoor heat exchanger (6); It is characterized in that, described VRF Air Conditioning System also comprises: second circulatory system, and described second circulatory system comprises: described compressor (1), the second cross valve (3), the second indoor heat exchanger (11), second section stream unit (9), the second outdoor heat exchanger (5); Wherein, four valve ports of described the second cross valve (3) are communicated with exhaust outlet, described the second outdoor heat exchanger (5) and described second indoor heat exchanger (11) of the air entry of described compressor (1), described compressor (1) respectively, and described the second indoor heat exchanger (11) is connected by described second section stream unit (9) with described the second outdoor heat exchanger (5).
2. VRF Air Conditioning System as claimed in claim 1, is characterized in that, also comprises heat-exchanger rig (8), and described heat-exchanger rig (8) comprising: housing, and the first heat exchanger tube and the second heat exchanger tube that are positioned at described enclosure interior and can carry out heat exchange; Described the first heat exchanger tube series connection is arranged between described first throttle parts (10) and described the first cross valve (4); Described the second heat exchanger tube series connection is arranged between described second section stream unit (9) and described the second cross valve (3).
3. VRF Air Conditioning System as claimed in claim 2, is characterized in that, described heat-exchanger rig (8) is double pipe heat exchanger.
4. VRF Air Conditioning System as claimed in claim 1, it is characterized in that, also comprise oil eliminator (2), the gas outlet of described oil eliminator (2) is communicated with described the first cross valve (4) and described the second cross valve (3) respectively, the import of described oil eliminator (2) is communicated with the exhaust outlet of described compressor (1), and the liquid outlet of described oil eliminator (2) is communicated with the air entry of described compressor (1).
5. VRF Air Conditioning System as claimed in claim 1, is characterized in that, described VRF Air Conditioning System is one drag two air-conditioning unit or an one driven multiple air conditioner group.
6. VRF Air Conditioning System as claimed in claim 1, is characterized in that, described first throttle parts (10) and second section stream unit (9) are electric expansion valve or capillary.
7. VRF Air Conditioning System as claimed in claim 1, it is characterized in that, also comprise the integrated housing (7) with two heat exchanging chambers, described the second outdoor heat exchanger (5) is positioned at a described heat exchanging chamber, and described the first outdoor heat exchanger (6) is positioned at heat exchanging chamber described in another.
8. the VRF Air Conditioning System as described in any one in claim 1-7, it is characterized in that, the first valve port a1 of described the first cross valve (4) and the first valve port a2 of described the second cross valve (3) are communicated with the exhaust outlet of described compressor (1) respectively, the second valve port b1 of described the first cross valve (4) and the second valve port b2 of described the second cross valve (3) are communicated with the air entry of described compressor (1) respectively, the 3rd valve port c1 of described the first cross valve (4) and the 4th valve port d2 of described the second cross valve (3) are communicated with described the second indoor heat exchanger (11) respectively, the 4th valve port d1 of described the first cross valve (4) and the 3rd valve port c2 of described the second cross valve (3) are communicated with described the second outdoor heat exchanger (5) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320718905.3U CN203533718U (en) | 2013-11-13 | 2013-11-13 | Multi-connected air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320718905.3U CN203533718U (en) | 2013-11-13 | 2013-11-13 | Multi-connected air conditioning unit |
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| Publication Number | Publication Date |
|---|---|
| CN203533718U true CN203533718U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320718905.3U Expired - Fee Related CN203533718U (en) | 2013-11-13 | 2013-11-13 | Multi-connected air conditioning unit |
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| CN (1) | CN203533718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633771A (en) * | 2013-11-13 | 2015-05-20 | 珠海格力电器股份有限公司 | Multi-connected air conditioning unit and control method thereof |
-
2013
- 2013-11-13 CN CN201320718905.3U patent/CN203533718U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104633771A (en) * | 2013-11-13 | 2015-05-20 | 珠海格力电器股份有限公司 | Multi-connected air conditioning unit and control method thereof |
| CN104633771B (en) * | 2013-11-13 | 2018-07-03 | 珠海格力电器股份有限公司 | Multi-connected air conditioning unit and control method thereof |
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