CN204963271U - Water -cooling dc -inverter freezer unit - Google Patents
Water -cooling dc -inverter freezer unit Download PDFInfo
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- CN204963271U CN204963271U CN201520551443.XU CN201520551443U CN204963271U CN 204963271 U CN204963271 U CN 204963271U CN 201520551443 U CN201520551443 U CN 201520551443U CN 204963271 U CN204963271 U CN 204963271U
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- water
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- oil
- expansion valve
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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]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a water -cooling dc -inverter freezer unit, water -cooling dc -inverter freezer unit includes that water -cooling dc -inverter freezer unit includes dc -inverter compressor, oil separator, water -cooled condenser, reservoir, evaporimeter, electronic expansion valve, oil return capillary, freezer, the frequency conversion compressor is connected with oil separator, oil separator and water -cooled condenser are connected, water -cooled condenser is connected with the reservoir, electronic expansion valve is connected with the reservoir, the evaporimeter is connected with electronic expansion valve, the evaporimeter sets up in the freezer, the evaporimeter is connected with the dc -inverter compressor, dc -inverter compressor, oil separator are connected with the oil return capillary respectively, and the water -cooling dc -inverter freezer unit of above -mentioned structure can realize the high -efficient operation of frequency conversion compressor, keeps cryogenic temperature's stability.
Description
Technical field
The utility model relates to refrigeration technology field, particularly relates to a kind of water-cooled DC frequency-changing refrigerator unit.
Background technology
Existing complete machine formula refrigerating plant generally adopts air-cooled condenser to dispel the heat, and utilizes thermal expansion valve gear to control restriction effect simultaneously.It is not enough mainly to there is several aspect below in whole refrigerating plant: air-cooled condenser heat radiation is larger by the factor of environmental factor; The heat transfer coefficient of air-cooled condenser is little, and the heat exchange area of needs is comparatively large, thus causes the volume of whole device to become large, reduces the volumetric efficiency of refrigerating plant; The air-conditioning in the caloric requirement supermarket that air-cooled condenser distributes is taken away, and strengthens the load of supermarket air-conditioning, causes the reduction of energy use efficiency; The adaptive capacity of heating power expansion valve to refrigerating plant load variations is poor, and especially under comparatively low load condition, reduction by a relatively large margin will appear in the efficiency of refrigerating plant.
Utility model content
In view of current refrigerator refrigeration above shortcomings, the utility model provides a kind of water-cooled DC frequency-changing refrigerator unit, can realize frequency-changeable compressor Effec-tive Function, keeps the stability of cryogenic temperature.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A kind of water-cooled DC frequency-changing refrigerator unit, described water-cooled DC frequency-changing refrigerator unit comprises DC frequency-changeable compressor, oil eliminator, water-cooled condenser, reservoir, evaporimeter, electric expansion valve, oil return capillary, refrigerator, described frequency-changeable compressor is connected with oil eliminator, described oil eliminator is connected with water-cooled condenser, described water-cooled condenser is connected with reservoir, described electric expansion valve is connected with reservoir, described evaporimeter is connected with electric expansion valve, described evaporimeter is arranged in refrigerator, described evaporimeter is connected with DC frequency-changeable compressor, described DC frequency-changeable compressor, oil eliminator is connected with oil return capillary respectively.
According to an aspect of the present utility model, described water-cooled DC frequency-changing refrigerator unit also comprises check valve, and described oil eliminator, water-cooled condenser are connected with check valve respectively, and described check valve is arranged between oil eliminator and water-cooled condenser.
According to an aspect of the present utility model, described water-cooled DC frequency-changing refrigerator unit also comprises oil strainer, and described oil return capillary, oil eliminator are connected with oil strainer respectively, and described oil strainer is arranged between oil return capillary and oil eliminator.
According to an aspect of the present utility model, described water-cooled DC frequency-changing refrigerator unit also comprises for liquid filter, and described reservoir, electric expansion valve are connected respectively with for liquid filter, and the described liquid filter that supplies is arranged between reservoir and electric expansion valve.
The advantage that the utility model is implemented: the gas-liquid mixture by electric expansion valve, cold-producing medium being become low-temp low-pressure, gas-liquid mixture evaporation endothermic in evaporimeter of low-temp low-pressure reaches the effect of refrigeration, regulate DC frequency-changeable compressor rotating speed, the time scale of the opening and closing of electric expansion valve is set, the constancy being kept evaporating temperature by the refrigerant gas amount of evaporimeter can be controlled at the appointed time, frequency-changeable compressor can realize Effec-tive Function under Various Seasonal and different load condition, adopt water-cooled condenser, condensation heat radiation is not by the impact of external environmental factor, do not increase in the burden of supermarket air-conditioning system simultaneously yet, utilize plate type heat exchanger as water-cooled condenser, reduce the volume of condenser, increase the volumetric efficiency of refrigerator unit, the water-cooled DC frequency-changing refrigerator unit of said structure, frequency-changeable compressor Effec-tive Function can be realized, keep the stability of cryogenic temperature.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of water-cooled DC frequency-changing refrigerator unit described in the utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of water-cooled DC frequency-changing refrigerator unit, described water-cooled DC frequency-changing refrigerator unit comprises DC frequency-changeable compressor 1, oil eliminator 2, water-cooled condenser 3, reservoir 4, evaporimeter 5, electric expansion valve 6, oil return capillary 7, refrigerator 8, described frequency-changeable compressor 1 is connected with oil eliminator 2, described oil eliminator 2 is connected with water-cooled condenser 3, described water-cooled condenser 3 is connected with reservoir 4, described electric expansion valve 6 is connected with reservoir 4, described evaporimeter 5 is connected with electric expansion valve 6, described evaporimeter 5 is arranged in refrigerator 8, described evaporimeter 5 is connected with DC frequency-changeable compressor 1, described DC frequency-changeable compressor 1, oil eliminator 2 is connected with oil return capillary 7 respectively.
By the compression of DC frequency-changeable compressor, the cold-producing medium of low-temp low-pressure becomes the refrigerant gas of HTHP; Under the effect of condenser, the refrigerant gas of HTHP is condensed into the refrigerant liquid of high pressure, by electric expansion valve, cold-producing medium is become the gas-liquid mixture of low-temp low-pressure, by regulating DC frequency-changeable compressor rotating speed, arranging the time scale of the opening and closing of electric expansion valve, the constancy being kept evaporating temperature by the refrigerant gas amount of evaporimeter can be controlled at the appointed time, make frequency-changeable compressor can realize Effec-tive Function under Various Seasonal and different load condition.
In the present embodiment, water-cooled DC frequency-changing refrigerator unit also comprises check valve 9, and described oil eliminator 2, water-cooled condenser 3 are connected with check valve 9 respectively, and described check valve 9 is arranged between oil eliminator 2 and water-cooled condenser 3.
In the present embodiment, water-cooled DC frequency-changing refrigerator unit also comprises oil strainer 10, and described oil return capillary 7, oil eliminator 2 are connected with oil strainer 10 respectively, and described oil strainer 10 is arranged between oil return capillary 7 and oil eliminator 2.
Detach contained most of lubricating oil in refrigerant gas by oil eliminator, the lubricating oil in oil eliminator is constantly entered in DC frequency-changeable compressor by capillary.
In the present embodiment, water-cooled DC frequency-changing refrigerator unit also comprises for liquid filter 11, and described reservoir 4, electric expansion valve 6 are connected respectively with for liquid filter 11, and the described liquid filter 11 that supplies is arranged between reservoir 4 and electric expansion valve 6.
The advantage that the utility model is implemented: the gas-liquid mixture by electric expansion valve, cold-producing medium being become low-temp low-pressure, gas-liquid mixture evaporation endothermic in evaporimeter of low-temp low-pressure reaches the effect of refrigeration, regulate DC frequency-changeable compressor rotating speed, the time scale of the opening and closing of electric expansion valve is set, the constancy being kept evaporating temperature by the refrigerant gas amount of evaporimeter can be controlled at the appointed time, frequency-changeable compressor can realize Effec-tive Function under Various Seasonal and different load condition, adopt water-cooled condenser, condensation heat radiation is not by the impact of external environmental factor, do not increase in the burden of supermarket air-conditioning system simultaneously yet, utilize plate type heat exchanger as water-cooled condenser, reduce the volume of condenser, increase the volumetric efficiency of refrigerator unit, the water-cooled DC frequency-changing refrigerator unit of said structure, frequency-changeable compressor Effec-tive Function can be realized, keep the stability of cryogenic temperature.
The above; be only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; the technical staff of any skilled is in technical scope disclosed in the utility model; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (4)
1. a water-cooled DC frequency-changing refrigerator unit, it is characterized in that, described water-cooled DC frequency-changing refrigerator unit comprises DC frequency-changeable compressor, oil eliminator, water-cooled condenser, reservoir, evaporimeter, electric expansion valve, oil return capillary, refrigerator, described frequency-changeable compressor is connected with oil eliminator, described oil eliminator is connected with water-cooled condenser, described water-cooled condenser is connected with reservoir, described electric expansion valve is connected with reservoir, described evaporimeter is connected with electric expansion valve, described evaporimeter is arranged in refrigerator, described evaporimeter is connected with DC frequency-changeable compressor, described DC frequency-changeable compressor, oil eliminator is connected with oil return capillary respectively.
2. water-cooled DC frequency-changing refrigerator unit according to claim 1, it is characterized in that, described water-cooled DC frequency-changing refrigerator unit also comprises check valve, and described oil eliminator, water-cooled condenser are connected with check valve respectively, and described check valve is arranged between oil eliminator and water-cooled condenser.
3. water-cooled DC frequency-changing refrigerator unit according to claim 2, it is characterized in that, described water-cooled DC frequency-changing refrigerator unit also comprises oil strainer, described oil return capillary, oil eliminator are connected with oil strainer respectively, and described oil strainer is arranged between oil return capillary and oil eliminator.
4. water-cooled DC frequency-changing refrigerator unit according to claim 3, it is characterized in that, described water-cooled DC frequency-changing refrigerator unit also comprises for liquid filter, described reservoir, electric expansion valve are connected respectively with for liquid filter, and the described liquid filter that supplies is arranged between reservoir and electric expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520551443.XU CN204963271U (en) | 2015-07-27 | 2015-07-27 | Water -cooling dc -inverter freezer unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520551443.XU CN204963271U (en) | 2015-07-27 | 2015-07-27 | Water -cooling dc -inverter freezer unit |
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| Publication Number | Publication Date |
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| CN204963271U true CN204963271U (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520551443.XU Active CN204963271U (en) | 2015-07-27 | 2015-07-27 | Water -cooling dc -inverter freezer unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642560A (en) * | 2016-12-07 | 2017-05-10 | 深圳华南精工制冷设备有限公司 | Water-cooling variable-capacity air conditioner unit |
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2015
- 2015-07-27 CN CN201520551443.XU patent/CN204963271U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642560A (en) * | 2016-12-07 | 2017-05-10 | 深圳华南精工制冷设备有限公司 | Water-cooling variable-capacity air conditioner unit |
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| GR01 | Patent grant |