CN201322481Y - Box type refrigerating unit with subcooler - Google Patents
Box type refrigerating unit with subcooler Download PDFInfo
- Publication number
- CN201322481Y CN201322481Y CNU2008202133915U CN200820213391U CN201322481Y CN 201322481 Y CN201322481 Y CN 201322481Y CN U2008202133915 U CNU2008202133915 U CN U2008202133915U CN 200820213391 U CN200820213391 U CN 200820213391U CN 201322481 Y CN201322481 Y CN 201322481Y
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- China
- Prior art keywords
- heat exchanger
- refrigeration unit
- mistake
- compressor
- cold
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Abstract
The utility model discloses a box type refrigerating unit with a subcooler, comprising a compressor, a refrigerating device, a pressure-reducing device and an evaporator, wherein, the front end of the evaporator is provided with a heat exchanger for reducing the temperature of liquid at the inlet of the evaporator. The refrigerating unit can lead part of cooling liquid in a middle-temperature refrigerating device into a heat exchanger, wherein, the cooling liquid is taken as cooling source, thereby, liquid refrigerant which enters into the evaporator is supercooled and the heat-exchanging capability of the evaporator is improved.
Description
Technical field
The utility model relates to refrigeration plant, relates in particular to a kind of box refrigeration unit with subcooler.
Background technology
In the air-conditioning refrigeration system, use the box refrigeration unit of a kind of indoor type, because the structure that adopts condensing heat-exchange device and refrigeration compressing apparatus to be separated, make easy for installationly, noise is easy to control.But because of refrigeration compressor set places indoorly, be subjected to spatial constraints, cold is less, and the on-load ability is low.
In big cold cryogenic refrigerating system, use subcooler sometimes, in subcooler, give the cryogenic system liquid refrigerant of flowing through wherein cold excessively from the cold in the middle temperature system, liquid refrigerant exchange capability of heat when entering evaporimeter of crossing after cold significantly improves, and this structure generally is applied to uncanned large-scale refrigeration unit.
Summary of the invention
The utility model gets up the advantages of above-mentioned two kinds of form refrigeration unit, a kind of box refrigeration unit of improved band subcooler is proposed, this unit is well-suited for the supermarket refrigerator low-temperature receiver is provided, and it both can be installed on indoor easily, had bigger refrigerating capacity again.
The technical scheme that the utility model proposes is, design a kind of Overcold refrigeration unit that places in the casing, comprise: compressor, condensing unit, dropping equipment and vaporising device is characterized in that: described vaporising device front end is provided with the heat exchanger of a reduction vaporising device inlet fluid temperature.
Described heat exchanger can adopt plate type heat exchanger, finned heat exchanger or coil heat exchanger.
In an embodiment of the present utility model, described oil eliminator and gas-liquid separator are in compressor is installed in half closed box.Air circulation fan is installed in the casing, and recircilated air intake and outlet design have silencing apparatus.
Compared with prior art, it is cold that the utility model utilizes the middle temperature system low-temperature receiver in the refrigerator display case refrigeration system of supermarket that the cryogenic system liquid refrigerant was carried out, and makes refrigeration unit produce bigger cold, improves Energy Efficiency Ratio; In addition, the utility model unit is placed in the casing, thus noise be easy to control, easy for installation.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described, wherein:
Fig. 1 is the schematic flow sheet of the box refrigeration unit of band subcooler that the utility model proposes.
The specific embodiment
As shown in Figure 1, the utility model comprises: vapour liquid separator 1, compressor 2, oil eliminator 3, condensing unit 4, decompressor (not shown) and vaporising device 6.Vapour liquid separator 1, compressor 2, oil eliminator 3 are installed in the casing 8, and the refrigerant pipe interface is installed on the wall box.Vaporising device inlet front end is provided with a heat exchanger 5, and the effect of this heat exchanger is the inlet temperature that reduces evaporimeter liquid.
Warm refrigeration plant in generally all existing in large supermarket can be introduced heat exchanger 5 as low-temperature receiver with the part cooling liquid in the warm refrigeration plant in being somebody's turn to do.Give the liquid refrigerant in the heat exchanger 5 of flowing through cold excessively from the cold in the middle temperature system, liquid refrigerant exchange capability of heat when entering evaporimeter of crossing after cold significantly improves.
During the utility model operation, back-steam from vaporising device 6 enters compressor 2 by gas-liquid separator 1, behind oil eliminator 3, flow to condensing unit 4 through the high temperature and high pressure gas after compressor 2 compressions, through condensed liquid refrigerant decompression, enter plate type heat exchanger 5, cold-producing medium from middle temp, refrigerating system in the plate type heat exchanger 5 is cold excessively with the liquid of flowing through, and the liquid after mistake is cold enters the interior food of 5 pairs of showcases of evaporimeter and cools off.
When compressor is semiclosed pattern, need to use fan that it is forced cooling, leak for reducing noise, install silencing apparatus 7 additional at recircilated air intake and exit.
Described the working forms of air-cooled condensation unit among Fig. 1, the utility model also can be used in water-cooled condensation unit.
Though the utility model is described with reference to above-mentioned embodiment; but those skilled in the art will be appreciated that; above-mentioned embodiment only is used for illustrating the utility model; be not to be used for limiting protection domain of the present utility model; any within spirit of the present utility model and principle scope, any modification done and variation all should be included within the rights protection scope of the present utility model.
Claims (7)
1. box refrigeration unit with subcooler, comprising: compressor, condensing unit, dropping equipment and vaporising device is characterized in that: described vaporising device front end is provided with the heat exchanger of a reduction vaporising device inlet fluid temperature.
2. the cold refrigeration unit of mistake as claimed in claim 1 is characterized in that: described heat exchanger adopts plate type heat exchanger.
3. the cold refrigeration unit of mistake as claimed in claim 1 is characterized in that: described heat exchanger adopts finned heat exchanger.
4. the cold refrigeration unit of mistake as claimed in claim 1 is characterized in that: described heat exchanger adopts coil heat exchanger.
5, the cold refrigeration unit of mistake as claimed in claim 1, it is characterized in that: described compressor outlet is provided with oil eliminator, and import is provided with gas-liquid separator, and oil eliminator and gas-liquid separator are in compressor is installed in a casing.
6, the cold refrigeration unit of mistake as claimed in claim 1, it is characterized in that: described compressor outlet is provided with oil eliminator, and import is provided with gas-liquid separator, and oil eliminator and gas-liquid separator are in compressor is installed in half closed box.
7, the cold refrigeration unit of mistake as claimed in claim 6 is characterized in that: air circulation fan is installed in the casing, and recircilated air intake and outlet are equipped with silencing apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202133915U CN201322481Y (en) | 2008-11-14 | 2008-11-14 | Box type refrigerating unit with subcooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202133915U CN201322481Y (en) | 2008-11-14 | 2008-11-14 | Box type refrigerating unit with subcooler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201322481Y true CN201322481Y (en) | 2009-10-07 |
Family
ID=41159862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202133915U Expired - Lifetime CN201322481Y (en) | 2008-11-14 | 2008-11-14 | Box type refrigerating unit with subcooler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201322481Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287948A (en) * | 2011-07-15 | 2011-12-21 | 北京诚益通控制工程科技股份有限公司 | Heat-regenerating mechanism for deep-cooling set |
| CN105050370A (en) * | 2015-08-30 | 2015-11-11 | 湖南华强电气有限公司 | Heat-sink cooling method and heat-sink cooling device for electric cabinet of automobile air conditioner |
-
2008
- 2008-11-14 CN CNU2008202133915U patent/CN201322481Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102287948A (en) * | 2011-07-15 | 2011-12-21 | 北京诚益通控制工程科技股份有限公司 | Heat-regenerating mechanism for deep-cooling set |
| CN105050370A (en) * | 2015-08-30 | 2015-11-11 | 湖南华强电气有限公司 | Heat-sink cooling method and heat-sink cooling device for electric cabinet of automobile air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHENZHEN KELEN COMMERCIAL EQUIPMENT CO., LTD. Assignor: Cheng Yusheng Contract record no.: 2012440020306 Denomination of utility model: Box type refrigerating unit with subcooler Granted publication date: 20091007 License type: Exclusive License Record date: 20121121 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHENZHEN KELEN COMMERCIAL EQUIPMENT CO., LTD. Assignor: Cheng Yusheng Contract record no.: 2012440020306 Denomination of utility model: Box type refrigerating unit with subcooler Granted publication date: 20091007 License type: Exclusive License Record date: 20121121 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091007 |
|
| CX01 | Expiry of patent term |