CN201463386U - Dual-cooling water chilling unit - Google Patents
Dual-cooling water chilling unit Download PDFInfo
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- CN201463386U CN201463386U CN2009200625591U CN200920062559U CN201463386U CN 201463386 U CN201463386 U CN 201463386U CN 2009200625591 U CN2009200625591 U CN 2009200625591U CN 200920062559 U CN200920062559 U CN 200920062559U CN 201463386 U CN201463386 U CN 201463386U
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- compressor
- condenser
- expansion valve
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- refrigerant
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Abstract
The utility model discloses a dual-cooling water chilling unit which comprises a unit outer housing, a compressor arranged inside the unit outer housing, a condenser connected with a refrigerant steam outlet of the compressor, an expansion valve connected with a refrigerant outlet of the compressor, and an evaporator connected with an expansion valve outlet, wherein the refrigerant outlet of the compressor is connected with a refrigerant steam inlet of the compressor, an air coolant is arranged on one side of the condenser, and the air coolant is connected with a water inlet of the evaporator through a power-driven two-way valve. Compared with the prior art, the utility model has the advantages of high energy efficiency ratio of the unit, stable performance, convenient maintenance, energy conservation and low economic cost.
Description
Technical field
The present invention relates to refrigeration plant, in particular, relate to a kind of two cooling handpiece Water Chilling Units.
Background technology
In summer, when environment temperature was higher, the condensing pressure of wind-cooled cold-water unit increased thereupon, and refrigerating capacity reduces, and input power increases, and systematic energy efficiency ratio reduces.If when air-cooled condenser area surplus is not enough or the unit operation time, the condenser fin dirt was thicker for a long time, system high pressure also can occurs and report to the police, unit can't normally move.
Chinese patent, patent announcement number is: CN2056228U discloses a kind of air-cooled handpiece Water Chilling Units, this air-cooled handpiece Water Chilling Units mainly is made up of compressor, air cooled condenser, expansion valve, water-cooled evaporimeter, electric appliance control box, water out, water inlet and shell, and condenser is with the heat radiation of condensation cooling fan.But this air-cooled handpiece Water Chilling Units energy consumption is big, and efficient is low, the financial cost height.
Summary of the invention
Reduce in order to overcome existing wind-cooled cold-water machine set system Energy Efficiency Ratio, the unit energy consumption is big, and the deficiency that financial cost is high the invention provides a kind of Energy Efficiency Ratio height, stable performance, maintaining is convenient, service efficiency is high two cooling handpiece Water Chilling Units.
The technical solution adopted for the present invention to solve the technical problems is: this pair cooling handpiece Water Chilling Units, comprise unit casing, the compressor in the unit casing, the condenser that is connected with the refrigerant vapour outlet of compressor, expansion valve that is connected with the condenser refrigerant outlet and the evaporimeter that is connected with the expansion valve outlet are set, the refrigerant outlet of evaporimeter is connected with the refrigerant vapour import of compressor, side at condenser also is provided with aerial cooler, and aerial cooler is connected with the water inlet of evaporimeter by electric two-way valve.
The described condenser of foregoing invention is a Fin-tube Condenser; Expansion valve be in heating power expansion valve, electric expansion valve or the capillary any.
Compared with prior art, the present invention has the following advantages:
1. this unit eer height;
2. high temperature season good refrigeration effect, stable performance;
3. maintaining is convenient, helps improving the utilization ratio of equipment;
4. save energy consumption, reduced financial cost.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Describe the present invention for the ease of it will be appreciated by those skilled in the art that below in conjunction with accompanying drawing:
Fig. 1 is the two cooling of the present invention handpiece Water Chilling Units structural representation, comprise unit casing, compressor 1 in the unit casing is set, the condenser 2 that is connected with the refrigerant vapour outlet of compressor 1, expansion valve 3 that is connected with condenser 2 refrigerant outlets and the evaporimeter 4 that is connected with expansion valve 3 outlets, the refrigerant outlet of evaporimeter 4 is connected with the refrigerant vapour import of compressor 1, also be provided with aerial cooler 6 in a side near condenser 2, aerial cooler 6 is connected with the water inlet of evaporimeter 4 by electric two-way valve 5, and each device connects successively by pipeline and forms closed circuit.
Above-mentioned condenser 2 is Fin-tube Condenser; Expansion valve 3 be in heating power expansion valve, electric expansion valve or the capillary any; Compressor 1 can be piston-type or displacement type; Aerial cooler is existing aerial cooler; Cold-producing medium is this area cold-producing medium commonly used, belongs to prior art.
Single cooling refrigeration operating mode:
When environment temperature is lower than setting value, electric two-way valve dead electricity 5, aerial cooler 6 quits work.During use, in cooling cycle system, fill cold-producing medium, discharge the refrigerant vapour of HTHP from the refrigerant outlet of compressor 1, after finned heat exchanger 2 and natural air heat exchange, the refrigerant liquid of warm high pressure enters expansion valve 3 in being condensed into, the throttling step-down is the refrigerant liquid of low-temp low-pressure, enters the refrigerant gas that heat that evaporimeter 4 absorbs refrigerating mediums becomes low-temp low-pressure and gets back to compressor 1, forms a kind of refrigeration cycle also so repeatedly.When chilled water temperature reaches setting value, unit promptly unloads shutdown.
Two cooling refrigeration operating modes:
When environment temperature is higher than setting value, electric two-way valve 5, aerial cooler 6 work, outside air is through 6 coolings of air cooler, the refrigerant vapour of the HTHP of discharging with compressor 1 is through finned heat exchanger 2 heat exchanges then, and the refrigerant liquid of warm high pressure enters expansion valve 3 in being condensed into, and the throttling step-down is the refrigerant liquid of low-temp low-pressure, enter the refrigerant gas that heat that evaporimeter 4 absorbs refrigerating mediums becomes low-temp low-pressure and get back to compressor 1, forms a kind of refrigeration cycle also so repeatedly.When chilled water temperature reaches setting value, unit promptly unloads shutdown.
Although relate to a kind of two cooling handpiece Water Chilling Units and carried out special description disclosed with reference to embodiment, embodiment described above is illustrative and not restrictive, under the situation that does not break away from the spirit and scope of the present invention, all variations and modification are all within the scope of the present invention.
Claims (3)
1. one kind pair is cooled off handpiece Water Chilling Units, comprise unit casing, compressor (1) in the unit casing is set, the condenser (2) that is connected with the refrigerant vapour outlet of compressor (1), expansion valve (3) that is connected with condenser (2) refrigerant outlet and the evaporimeter (4) that is connected with expansion valve (3) outlet, the refrigerant outlet of evaporimeter (4) is connected with the refrigerant vapour import of compressor 1, it is characterized in that: also be provided with aerial cooler (6) in the side near condenser (2), aerial cooler (6) is connected with the water inlet of evaporimeter (4) by electric two-way valve (5).
2. two cooling handpiece Water Chilling Units according to claim 1, it is characterized in that: described condenser (2) is a Fin-tube Condenser.
3. two cooling handpiece Water Chilling Units according to claim 1 and 2 is characterized in that: described expansion valve (3) in heating power expansion valve, electric expansion valve or the capillary any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200625591U CN201463386U (en) | 2009-08-18 | 2009-08-18 | Dual-cooling water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200625591U CN201463386U (en) | 2009-08-18 | 2009-08-18 | Dual-cooling water chilling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201463386U true CN201463386U (en) | 2010-05-12 |
Family
ID=42390737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200625591U Expired - Fee Related CN201463386U (en) | 2009-08-18 | 2009-08-18 | Dual-cooling water chilling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201463386U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454114A (en) * | 2013-09-22 | 2015-03-25 | 北汽福田汽车股份有限公司 | Temperature control system, temperature testing system for engine and automobile |
-
2009
- 2009-08-18 CN CN2009200625591U patent/CN201463386U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454114A (en) * | 2013-09-22 | 2015-03-25 | 北汽福田汽车股份有限公司 | Temperature control system, temperature testing system for engine and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20140818 |
|
| EXPY | Termination of patent right or utility model |