CN207035313U - A kind of carbon dioxide overlapping multi-gang air-conditioner device - Google Patents
A kind of carbon dioxide overlapping multi-gang air-conditioner device Download PDFInfo
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- CN207035313U CN207035313U CN201720530772.5U CN201720530772U CN207035313U CN 207035313 U CN207035313 U CN 207035313U CN 201720530772 U CN201720530772 U CN 201720530772U CN 207035313 U CN207035313 U CN 207035313U
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- carbon dioxide
- compression loop
- heat exchanger
- refrigerant
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Abstract
The utility model discloses a kind of carbon dioxide overlapping multi-gang air-conditioner device, including outdoor compression loop, the outdoor compression loop passes through Intermediate Heat Exchanger and interior compression loop, the outdoor compression loop includes outdoor heat exchanger, the first compressor, the first throttle device by the first refrigerant tubing series connection cyclization, the interior compression loop includes the second refrigerant pipeline of closure cyclization, and the second compressor, second throttling device and multiple indoor heat exchangers in parallel are provided with the second refrigerant pipeline.During the utility model Winter heat supply, first with the characteristic of carbon dioxide low-temperature heat supply efficiency height from outdoor extraction heat, heat is sent into Intermediate Heat Exchanger, recycle conventional multi-connected machine easy for installation, flexible operation, refrigerant and the high characteristic of air direct heat transfer effect extracted from Intermediate Heat Exchanger heat be sent into it is indoor, the advantages of taking full advantage of respective system, it is to provide a kind of new air-conditioning heating plant under low temperature environment.
Description
Technical field
The utility model belongs to a kind of temperature-adjusting device, and in particular to a kind of carbon dioxide overlapping multi-gang air-conditioner dress
Put.
Background technology
At present, multi-gang air-conditioner is a kind of using more extensive refrigeration plant, this year, as environmental requirement is more and more tighter
Lattice, the project to be heated with multi-connected machine also progressively increase, and such unit refrigerant, which mainly uses, R407c, R134a, R417a etc., this
For a little refrigerants when environment temperature is less than -5 DEG C, thermal efficiency decay is serious even to there is the situation of cisco unity malfunction, therefore
The project using effect that multi-gang air-conditioner is used for low temperature heating at present is not very good.And CO2Air source heat pump is special because of its physics
Point, operational effect is preferable under worst cold case, thermal efficiency decay unobvious, more suitable for the project that heats.
Carbon dioxide air source heat pump also begins to be used for heating, but first makes hot water all through source pump, then
Hot water is passed through in the end equipments such as radiator, fan coil or air-conditioner set again, is heated by the heat exchange of wind and water, and institute
There is the minimum return water temperature of hot water heating mode more than 35 DEG C, more than the critical-temperature of carbon dioxide working medium, if heating
Backwater is passed directly into two sample carbon source pumps, and its heating efficiency can be very low, or even operation is difficult.At present, have tried to
Solves problem above using following several ways, a kind of mode is by installing a set of water-loop heat pump additional in hot water side, by end
Return water temperature enters back into source pump after being down to the inflow temperature for meeting source pump.Another mode is to change water-loop heat pump
For heat exchanger, by return pipe and refrigerant tube heat exchange, both the above mode is to carbon dioxide heat-pump unit heating efficiency
It is very limited to lift effect.Meanwhile carbon dioxide air source source pump leads to not adopt as multi-connected machine due to pressure height
Multiple indoor heat exchangers are connected with the mode of diversity device.
The content of the invention
The utility model proposes that the purpose is to provide a kind of carbon dioxide overlapping to solve the problems, such as that prior art is present
Multi-gang air-conditioner device.
The technical solution of the utility model is：A kind of carbon dioxide overlapping multi-gang air-conditioner device, including outdoor compression ring
Road, by Intermediate Heat Exchanger and interior compression loop, the outdoor compression loop includes passing through first the outdoor compression loop
Outdoor heat exchanger, the first compressor, the first throttle device of refrigerant tubing series connection cyclization, the interior compression loop include closing
Synthesize the second refrigerant pipeline of ring, be provided with the second refrigerant pipeline the second compressor, second throttling device and
Multiple indoor heat exchangers in parallel.
The outdoor compression loop, interior compression loop both pass through Intermediate Heat Exchanger.
Carbon dioxide coolant is filled in first refrigerant tubing.
One kind in the refrigerants such as R407c, R134a, R417a is filled in the second refrigerant pipeline.
In first refrigerant tubing, second refrigerant pipeline refrigerant flow to it is identical or opposite.
It is hot from outdoor extraction first with the characteristic of carbon dioxide low-temperature heat supply efficiency height during the utility model Winter heat supply
Amount, heat is sent into Intermediate Heat Exchanger, recycles conventional multi-connected machine easy for installation, flexible operation, refrigerant and air direct
The high characteristic of heat transfer effect extracts heat from Intermediate Heat Exchanger and is sent into indoor, the shortcomings that so both having overcome respective system, again
The advantages of taking full advantage of respective system, it is to provide a kind of new air-conditioning heating plant under low temperature environment.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Wherein：
The first throttle device of 1 outdoor heat exchanger 2
The compressor of 3 Intermediate Heat Exchanger 4 first
The compressor of 5 first refrigerant tubing 6 second
The second throttling device of 7 second refrigerant pipeline 8
9 indoor heat exchangers.
Embodiment
Hereinafter, the utility model is described in detail with embodiment referring to the drawings：
As shown in figure 1, a kind of carbon dioxide overlapping multi-gang air-conditioner device, including outdoor compression loop, the outdoor pressure
By Intermediate Heat Exchanger 3 and interior compression loop, the outdoor compression loop includes going here and there by the first refrigerant tubing 5 contracting loop
Outdoor heat exchanger 1, the first compressor 4 of ring are unified into, the interior compression loop includes the second refrigerant pipeline of closure cyclization
7, the second compressor 6 and multiple indoor heat exchangers 9 in parallel are provided with the second refrigerant pipeline 7.
The outdoor compression loop, interior compression loop both pass through Intermediate Heat Exchanger 3.
First throttle device 2 is additionally provided with the outdoor compression loop.
Second throttling device 8 is additionally provided with the interior compression loop.
Carbon dioxide coolant is filled in first refrigerant tubing 5.
One kind in the refrigerants such as R407c, R134a, R417a is filled in the second refrigerant pipeline 7.
In first refrigerant tubing 5, second refrigerant pipeline 7 refrigerant flow to it is identical or opposite.
Indoor heat exchanger 9 in the utility model is four.
The course of work of the present utility model is as follows：
Outdoor compression loop carries out heat exchange by Intermediate Heat Exchanger 3 with interior compression loop and connected, when winter needs heat supply,
The carbon dioxide coolant of low-temp low-pressure, which enters in outdoor heat exchanger, to be evaporated, and after the heat for absorbing outdoor air, passes through the first system
Cryogen pipeline 5, which is flowed into after the first compressor 4 is compressed, becomes HTHP, then flows into centre by the first refrigerant tubing 5
Heat exchange is carried out with interior compression loop in heat exchanger 3 and become cryogenic high pressure, by from the heat transfer of outdoor extraction to interior compression
In loop, then flowed through by the first refrigerant tubing 5 after first throttle device 2 becomes low-temp low-pressure and flow into outdoor heat exchanger 1
In, form a closed cycle loop.
The refrigerants such as the R407c of low-temp low-pressure, R134a, R417a first flow into Intermediate Heat Exchanger 3 and conditioning chamber external compression loop
After being exchanged heat, flowed into the second compressor 6 and be compressed by second refrigerant pipeline 7, become after HTHP by the
Two refrigerant tubings 7 are flowed into multiple indoor heat exchangers 9, are transferred heat in the interior space, refrigerant becomes cryogenic high pressure
After pass through second throttling device 8 after become low-temp low-pressure, finally flow into Intermediate Heat Exchanger 3 in, formed a closed cycle ring
Road, by the heat transfer in outdoor compression loop to interior, the overall process of completion air-conditioner set heat supply.
It is hot from outdoor extraction first with the characteristic of carbon dioxide low-temperature heat supply efficiency height during the utility model Winter heat supply
Amount, heat is sent into Intermediate Heat Exchanger, recycles conventional multi-connected machine easy for installation, flexible operation, refrigerant and air direct
The high characteristic of heat transfer effect extracts heat from Intermediate Heat Exchanger and is sent into indoor, the shortcomings that so both having overcome respective system, again
The advantages of taking full advantage of respective system, it is to provide a kind of new air-conditioning heating plant under low temperature environment.
Claims (5)
1. a kind of carbon dioxide overlapping multi-gang air-conditioner device, including outdoor compression loop, it is characterised in that：The outdoor compression
Loop passes through Intermediate Heat Exchanger（3）With interior compression loop, the outdoor compression loop includes passing through the first refrigerant tubing（5）
The outdoor heat exchanger of series connection cyclization（1）, the first compressor（4）, first throttle device（2）, the interior compression loop is including closing
Synthesize the second refrigerant pipeline of ring（7）, the second refrigerant pipeline（7）On be provided with the second compressor（6）, second throttling
Device（8）And multiple indoor heat exchangers in parallel（9）.
A kind of 2. carbon dioxide overlapping multi-gang air-conditioner device according to claim 1, it is characterised in that：The outdoor pressure
Contracting loop, interior compression loop both pass through Intermediate Heat Exchanger（3）.
A kind of 3. carbon dioxide overlapping multi-gang air-conditioner device according to claim 1, it is characterised in that：First system
Cryogen pipeline（5）In fill carbon dioxide coolant.
A kind of 4. carbon dioxide overlapping multi-gang air-conditioner device according to claim 1, it is characterised in that：Second system
Cryogen pipeline（7）In fill R407c, R134a, one kind in R417a refrigerants.
A kind of 5. carbon dioxide overlapping multi-gang air-conditioner device according to claim 1, it is characterised in that：First system
Cryogen pipeline（5）, second refrigerant pipeline（7）Flowing to for middle refrigerant is identical or opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720530772.5U CN207035313U (en) | 2017-05-15 | 2017-05-15 | A kind of carbon dioxide overlapping multi-gang air-conditioner device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720530772.5U CN207035313U (en) | 2017-05-15 | 2017-05-15 | A kind of carbon dioxide overlapping multi-gang air-conditioner device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207035313U true CN207035313U (en) | 2018-02-23 |
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ID=61478980
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720530772.5U Active CN207035313U (en) | 2017-05-15 | 2017-05-15 | A kind of carbon dioxide overlapping multi-gang air-conditioner device |
Country Status (1)
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| CN (1) | CN207035313U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996599A (en) * | 2017-05-15 | 2017-08-01 | 中国铁路设计集团有限公司 | Carbon dioxide overlapping multi-gang air-conditioner device |
| CN109539406A (en) * | 2018-11-02 | 2019-03-29 | 广东申菱环境系统股份有限公司 | A kind of VRF Air Conditioning System of three-stage |
-
2017
- 2017-05-15 CN CN201720530772.5U patent/CN207035313U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106996599A (en) * | 2017-05-15 | 2017-08-01 | 中国铁路设计集团有限公司 | Carbon dioxide overlapping multi-gang air-conditioner device |
| CN109539406A (en) * | 2018-11-02 | 2019-03-29 | 广东申菱环境系统股份有限公司 | A kind of VRF Air Conditioning System of three-stage |
| CN109539406B (en) * | 2018-11-02 | 2024-06-04 | 广东申菱环境系统股份有限公司 | Three-section type multi-connected air conditioning unit |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190903 Address after: 300142 Hebei District, Zhongshan Road, No. 10, Co-patentee after: Feitai Transportation Technology Co., Ltd. Patentee after: China Railway Design Group Limited Address before: 300142 Hebei District, Zhongshan Road, No. 10, Patentee before: China Railway Design Group Limited |