CN202254456U - Water-cooling low temperature refrigerating compressor unit with electromagnetic valve - Google Patents
Water-cooling low temperature refrigerating compressor unit with electromagnetic valve Download PDFInfo
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- CN202254456U CN202254456U CN2011203376808U CN201120337680U CN202254456U CN 202254456 U CN202254456 U CN 202254456U CN 2011203376808 U CN2011203376808 U CN 2011203376808U CN 201120337680 U CN201120337680 U CN 201120337680U CN 202254456 U CN202254456 U CN 202254456U
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- expansion valve
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Abstract
The utility model relates to a thermal circulation device, in particular to a water-cooling low temperature refrigerating compressor unit with an electromagnetic valve. The water-cooling low temperature refrigerating compressor unit comprises a compressor (1) with an air suction inlet (1-1) and an exhaust outlet (1-2), a condenser (2), an expansion valve A (3) comprising a thermal bulb and an evaporator (4). The exhaust outlet (1-2) is sequentially connected with the condenser (2), the expansion valve A (3), the evaporator (4) and the air suction inlet (1-1). The thermal bulb of the expansion valve A (3) is connected between the evaporator (4) and the air suction inlet (1-1). The condenser (2) is connected with the expansion valve A (3) through the electromagnetic valve (8). After the technical scheme is adopted, the flow rate of a refrigerant of the unit and the evaporator is effectively controlled, and the liquid slugging phenomenon of the compressor is prevented.
Description
Technical field
The utility model relates to a kind of thermodynamic cycle device, particularly a kind of water-cooled cryogenic refrigeration compressor bank that has magnetic valve of utilizing refrigeration compressor to realize thermodynamic cycle.
Background technology
Chinese patent publication number CN101089518A discloses a kind of air-cooled water-cooled two-evaporimeter hot-water machine group; It has the refrigeration cycle be made up of compressor, water cooled condenser, air-cooled evaporimeter, water-cooled evaporimeter, and this loop is provided with controller, and compressor connects water cooled condenser through a cross valve; Be connected with entery and delivery port on the water cooled condenser; Water cooled condenser connects heating power expansion valve, and the outlet of heating power expansion valve connects water-cooled evaporimeter and air-cooled evaporimeter respectively, and the water-cooled evaporimeter is provided with entery and delivery port; The water-cooled evaporimeter is connected cross valve with air-cooled evaporimeter, and cross valve connects the refrigerant-cycle systems of compressor.
During the start of refrigeration system secondary, be easy to generate the generation liquid hit phenomenon, its main cause:
(1) when shutting down, cold-producing medium can get into compressor through evaporimeter, can cause the mechanical compression ratio of compressor excessive because of liquid absorption is excessive during the secondary start, causes the compressor piston connecting rod cracking.
(2) get into the crankcase inside of the discharge chambe of compressor in a large number when cold-producing medium, and invade in the refrigeration lubrication machine oil, cause the refrigerator oil lubricating ability to descend, cause the equipment frictionally damage.
Summary of the invention
The purpose of the utility model is the deficiency to prior art, and a kind of water-cooled cryogenic refrigeration compressor bank that has magnetic valve that reduces secondary start fault is provided.
For realizing above-mentioned technical purpose; The utility model adopts following technical scheme: a kind of water-cooled cryogenic refrigeration compressor bank that has magnetic valve; It comprises: contain compressor, the condenser of suction inlet and air exit, the expansion valve that comprises bulb and evaporimeter; Air exit connects condenser, expansion valve, evaporimeter and suction inlet successively, and the bulb of expansion valve is connected between evaporimeter and the suction inlet, and said condenser is connected with said expansion valve through magnetic valve.
Further, said condenser is connected with said magnetic valve through liquid-sighting glass.
Further, said compressor is middle temperature helical-lobe compressor.
Further, establish hand valve A between said air exit and the condenser.
Further, establish hand valve B between said condenser and the liquid-sighting glass.
After adopting technique scheme, the utlity model has following beneficial effect:
(1) establishes magnetic valve, effectively control the refrigerant flow of unit and evaporimeter, prevent the liquid hit phenomenon of compressor.
(2) establish liquid-sighting glass, the situation of cooling fluid in the convenient observation unit.
(3) warm helical-lobe compressor in the employing, the usefulness of raising unit.
(4) establish hand valve A, the operation of the whole unit of convenient control, convenient maintenance.
(5) establish hand valve B, flowing of convenient control cold-producing medium improves the performance of whole unit.
Description of drawings
Fig. 1 is the sketch map of the utility model.
Among the figure: 1, compressor, 1-1, suction inlet, 1-2, air exit, 2, condenser, 3, expansion valve, 4, evaporimeter, 5, hand valve A, 6, hand valve B, 7, liquid-sighting glass, 8, magnetic valve.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is done further explain.
Embodiment
As shown in Figure 1, a kind of water-cooled cryogenic refrigeration compressor bank that has magnetic valve, it comprises: contain compressor 1, the condenser 2 of suction inlet 1-1 and air exit 1-2, the expansion valve 3 that comprises bulb and evaporimeter 4.
Air exit 1-2 connects condenser 2, expansion valve 3, evaporimeter 4 and suction inlet 1-1 successively, and the bulb of expansion valve 3 is connected between evaporimeter 4 and the suction inlet 1-1.
During operate as normal, magnetic valve 8 is opened, compressor 1 operation, and cold-producing medium is back to compressor 1 through condenser 2, expansion valve 3 and evaporimeter 4 successively.
When secondary is started shooting, through the switching of control magnetic valve 8, effectively control flowing of unit cold-producing medium, realize the steady operation of compressor, prevent liquid hit phenomenon.
Be the situation of cooling fluid in the convenient observation unit, condenser 2 is connected with magnetic valve 8 through liquid-sighting glass 7.
During operate as normal, magnetic valve 8 is opened, compressor 1 operation, and cold-producing medium is back to compressor 1 through condenser 2, liquid-sighting glass 7, expansion valve 3 and evaporimeter 4 successively.
When secondary is started shooting, through the switching of control magnetic valve 8, effectively control flowing of unit cold-producing medium, realize the steady operation of compressor, prevent liquid hit phenomenon.
Warm helical-lobe compressor during above-mentioned compressor 1 is preferred.Further improve unit performance.
Be flowing of convenient control cold-producing medium, the operation of the whole unit of convenient control, convenient maintenance.Establish hand valve A5 between air exit 1-2 and the condenser 2.Establish hand valve B6 between condenser 2 and the liquid-sighting glass 9.
The utility model is not limited to the foregoing description, and the technical scheme that all employings are equal to or the equivalence replacement forms all falls into the protection domain that the utility model requires.
Claims (5)
1. water-cooled cryogenic refrigeration compressor bank that has magnetic valve; It comprises: contain compressor (1), the condenser (2) of suction inlet (1-1) and air exit (1-2), the expansion valve (3) that comprises bulb and evaporimeter (4); Air exit (1-2) connects condenser (2), expansion valve (3), evaporimeter (4) and suction inlet (1-1) successively; The bulb of expansion valve (3) is connected between evaporimeter (4) and the suction inlet (1-1), it is characterized in that: said condenser (2) is connected with said expansion valve (3) through magnetic valve (8).
2. according to the said water-cooled cryogenic refrigeration compressor bank that has magnetic valve of claim 1, it is characterized in that: said condenser (2) is connected with said magnetic valve (8) through liquid-sighting glass (7).
3. according to the said water-cooled cryogenic refrigeration compressor bank that has magnetic valve of claim 1, it is characterized in that: said compressor (1) is middle temperature helical-lobe compressor.
4. according to the said water-cooled cryogenic refrigeration compressor bank that has magnetic valve of claim 1, it is characterized in that: establish hand valve A (5) between said air exit (1-2) and the condenser (2).
5. according to the said water-cooled cryogenic refrigeration compressor bank that has magnetic valve of claim 2, it is characterized in that: establish hand valve B (6) between said condenser (2) and the liquid-sighting glass (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203376808U CN202254456U (en) | 2011-09-09 | 2011-09-09 | Water-cooling low temperature refrigerating compressor unit with electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203376808U CN202254456U (en) | 2011-09-09 | 2011-09-09 | Water-cooling low temperature refrigerating compressor unit with electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202254456U true CN202254456U (en) | 2012-05-30 |
Family
ID=46115689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203376808U Expired - Fee Related CN202254456U (en) | 2011-09-09 | 2011-09-09 | Water-cooling low temperature refrigerating compressor unit with electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202254456U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631383A (en) * | 2018-12-13 | 2019-04-16 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
-
2011
- 2011-09-09 CN CN2011203376808U patent/CN202254456U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631383A (en) * | 2018-12-13 | 2019-04-16 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
| CN109631383B (en) * | 2018-12-13 | 2020-04-21 | 珠海格力电器股份有限公司 | Air conditioning system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20120909 |