CN203657111U - Multi-connection type machine room air-conditioning unit of free cooling - Google Patents
Multi-connection type machine room air-conditioning unit of free cooling Download PDFInfo
- Publication number
- CN203657111U CN203657111U CN201320798104.2U CN201320798104U CN203657111U CN 203657111 U CN203657111 U CN 203657111U CN 201320798104 U CN201320798104 U CN 201320798104U CN 203657111 U CN203657111 U CN 203657111U
- Authority
- CN
- China
- Prior art keywords
- machine room
- solution pump
- check valve
- compressor
- air conditioner
- 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.)
- Expired - Lifetime
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- 238000001816 cooling Methods 0.000 title claims abstract description 20
- 238000004378 air conditioning Methods 0.000 title abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 9
- 238000007710 freezing Methods 0.000 claims description 8
- 230000008014 freezing Effects 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 15
- 230000006835 compression Effects 0.000 abstract description 6
- 238000007906 compression Methods 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/54—Free-cooling systems
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses a multi-connection type machine room air-conditioning unit of free cooling. The multi-connection type machine room air-conditioning unit of free cooling has the advantages of comprising an evaporator, a compressor, a condenser, a liquid storage device, a throttling device and the like in a general compression refrigeration cycle loop, and further comprising a special part which is a solution pump. The air-conditioning unit is characterized in that when the outdoor environmental temperature is low, the solution pump is utilized for replacing the compressor to provide power, and free cooling cycle refrigeration is carried out through the power; when free cooling refrigeration is adopted, resistance of the throttling device is greatly reduced, the power provided by the unit is lowered obviously, and the operation efficiency of the unit is obviously improved.
Description
Technical field
The utility model relates to refrigerating machine technical field, is specially the cooling multiple air conditioner in machine room unit of a kind of freedom.
Background technology
Along with the contradiction between expanding economy and energy resource supply, energy problem is just becoming restriction China and is completing industrialization, the bottleneck of Urbanization Progress stage and national economy high speed development, energy-saving and emission-reduction have become the fundamental state policy that realizes economic security of the country and sustainable development, multiple air conditioner in machine room unit is the refrigeration air-conditioner unit taking air as low-temperature receiver, be widely used in telecommunications switch room, data processing centre, hospital, control centre, toilet, machining centers etc. need the air-conditioning place of refrigeration, when existing VRF Air Conditioning System operation, only has compression refrigeration pattern, due to the limitation of compression refrigeration, in the time that outdoor environment temperature is low, high pressure when compressor operating can reduce because of the reduction of outdoor environment temperature, the oil return meeting of compressor is affected like this, affect unit reliability, therefore in order to improve the reliability of unit, now compression refrigeration can only adopt sacrifice unit performance to improve the reliability of unit.
For this reason, the utility model proposes the cooling multiple air conditioner in machine room unit of a kind of freedom, efficiency is high, and practicality is good.
Utility model content
The multiple air conditioner in machine room unit that provides a kind of freedom cooling is provided the purpose of this utility model, to solve the problem proposing in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: the multiple air conditioner in machine room unit that a kind of freedom is cooling, throttling arrangement, evaporimeter, compressor, oil eliminator, reservoir, gas-liquid separator, subcooler, device for drying and filtering, solution pump, suction solenoid valve, air-cooled condenser, check valve, indoor set, function machine part, outdoor freezing machine, free cooling refrigeration, compression refrigeration, described air-cooled condenser is connected with reservoir, described reservoir is connected with check valve, described reservoir is connected with solution pump, described check valve is connected with subcooler, described subcooler is connected with device for drying and filtering, described device for drying and filtering is connected with throttling arrangement, described throttling arrangement is connected with evaporimeter, described evaporimeter is connected with suction solenoid valve, described suction solenoid valve is connected with check valve, described suction solenoid valve is connected with gas-liquid separator, described gas-liquid separator is connected with compressor, described compressor is connected with oil eliminator, described indoor set is connected with function machine part, described function machine part is connected with outdoor freezing machine.
Further, described check valve is between solution pump inlet and solution pump discharge, between the evaporator outlet and the import of outdoor freezing machine of described check valve in indoor set.
Further, described throttling arrangement is electric expansion valve or capillary.
Further, described solution pump is refrigerant pump.
Further, described indoor set is one or more.
Compared with prior art, the beneficial effects of the utility model are: the free cooling multiple air conditioner in machine room unit of band of this utility model, comprise the evaporimeter in Normal squeezing refrigeration cycle, compressor, condenser, reservoir, outside the parts such as throttling arrangement, also have these special parts of solution pump, it is characterized in that in the time that outdoor environment temperature is low, utilize solution pump to replace compressor that power is provided, carry out free cool cycles refrigeration with this power, during due to the free cooling refrigeration of employing, the resistance of throttling arrangement reduces greatly, the power that unit provides also obviously reduces, unit operation efficiency obviously improves.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
Detailed description of the invention
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, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, in the utility model embodiment, the multiple air conditioner in machine room unit that a kind of freedom is cooling, throttling arrangement 1, evaporimeter 2, compressor 3, oil eliminator 4, reservoir 5, gas-liquid separator 6, subcooler 7, device for drying and filtering 8, solution pump 9, suction solenoid valve 10, air-cooled condenser 11, check valve 12, indoor set 13, function machine part 14, outdoor freezing machine 15, free cooling refrigeration 16, compression refrigeration 17, described air-cooled condenser 11 is connected with reservoir 5, described reservoir 5 is connected with check valve 12, described reservoir 5 is connected with solution pump 9, described check valve 12 is connected with subcooler 7, described subcooler 7 is connected with device for drying and filtering 8, described device for drying and filtering 8 is connected with throttling arrangement 1, described throttling arrangement 1 is connected with evaporimeter 2, described evaporimeter 2 is connected with suction solenoid valve 10, described suction solenoid valve 10 is connected with check valve 12, described suction solenoid valve 10 is connected with gas-liquid separator 6, described gas-liquid separator 6 is connected with compressor 3, described compressor 3 is connected with oil eliminator 4, described indoor set 13 is connected with function machine part 14, described function machine part 14 is connected with outdoor freezing machine 15.
Further, described check valve 12 is between solution pump inlet and solution pump discharge, between evaporimeter 2 outlets and the import of outdoor freezing machine 15 of described check valve 12 in indoor set.
Further, described throttling arrangement 1 is electric expansion valve or capillary.
Further, described solution pump 9 is refrigerant pump.
Further, described indoor set 13 is one or more.
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned example embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, is therefore intended to all changes that drop in the implication and the scope that are equal to important document of claim to include in the utility model.Any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this description is described according to embodiment, but be not that each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should make description as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (5)
1. the cooling multiple air conditioner in machine room unit of freedom comprises an indoor set, function machine and off-premises station three parts, and indoor set has throttling arrangement, evaporimeter, function machine includes compressor, oil eliminator, reservoir, gas-liquid separator, subcooler, device for drying and filtering, solution pump, suction solenoid valve, air-cooled condenser, check valve, off-premises station includes air-cooled condenser, it is characterized in that: described air-cooled condenser is connected with reservoir, described reservoir is connected with check valve, described reservoir is connected with solution pump, described check valve is connected with subcooler, described subcooler is connected with device for drying and filtering, described device for drying and filtering is connected with throttling arrangement, described throttling arrangement is connected with evaporimeter, described evaporimeter is connected with suction solenoid valve, described suction solenoid valve is connected with check valve, described suction solenoid valve is connected with gas-liquid separator, described gas-liquid separator is connected with compressor, described compressor is connected with oil eliminator, described indoor set is connected with function machine part, described function machine part is connected with outdoor freezing machine.
2. according to claim 1 a kind of with freely cooling multiple air conditioner in machine room unit, it is characterized in that, described check valve is between solution pump inlet and solution pump discharge, between the evaporator outlet and the import of outdoor freezing machine of described check valve in indoor set.
3. according to claim 1 a kind of with freely cooling multiple air conditioner in machine room unit, it is characterized in that: described throttling arrangement is electric expansion valve or capillary.
4. according to claim 1 a kind of with freely cooling multiple air conditioner in machine room unit, it is characterized in that: described solution pump is refrigerant pump.
5. according to claim 1 a kind of with freely cooling multiple air conditioner in machine room unit, it is characterized in that: described indoor set is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798104.2U CN203657111U (en) | 2013-12-09 | 2013-12-09 | Multi-connection type machine room air-conditioning unit of free cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798104.2U CN203657111U (en) | 2013-12-09 | 2013-12-09 | Multi-connection type machine room air-conditioning unit of free cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203657111U true CN203657111U (en) | 2014-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320798104.2U Expired - Lifetime CN203657111U (en) | 2013-12-09 | 2013-12-09 | Multi-connection type machine room air-conditioning unit of free cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203657111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880244A (en) * | 2021-01-27 | 2021-06-01 | 苏州必信空调有限公司 | Two-phase flow air conditioning system with free cooling function |
-
2013
- 2013-12-09 CN CN201320798104.2U patent/CN203657111U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880244A (en) * | 2021-01-27 | 2021-06-01 | 苏州必信空调有限公司 | Two-phase flow air conditioning system with free cooling function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG KING AIR CONDITIONER CO., LTD. Free format text: FORMER NAME: ZHEJIANG KING AIR CONDITIONING EQUIPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 312300 Zhejiang city of Shaoxing province Shangyu city street high road No. 18 Patentee after: Zhejiang Guo Xiang air-conditioning limited company Address before: 312300 Hongxing Village, Shangyu Economic Development Zone (Cao E street, Zhejiang) Patentee before: Zhejiang Guo Xiang Air Conditioner Equipment Co., Ltd |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 312300 Zhejiang city of Shaoxing province Shangyu city street high road No. 18 Patentee after: Zhejiang state auspicious Limited by Share Ltd Address before: 312300 Zhejiang city of Shaoxing province Shangyu city street high road No. 18 Patentee before: Zhejiang Guo Xiang air-conditioning limited company |