CN204963270U - A dc -inverter refrigerating system for small -size supermarket - Google Patents
A dc -inverter refrigerating system for small -size supermarket Download PDFInfo
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- CN204963270U CN204963270U CN201520551370.4U CN201520551370U CN204963270U CN 204963270 U CN204963270 U CN 204963270U CN 201520551370 U CN201520551370 U CN 201520551370U CN 204963270 U CN204963270 U CN 204963270U
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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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Abstract
The utility model discloses a dc -inverter refrigerating system for small -size supermarket, a dc -inverter refrigerating system for small -size supermarket includes dc -inverter compressing and condensing unit, a electronic expansion valve, the display registerator evaporimeter, the 2nd electronic expansion valve, the freezer evaporimeter, a gas -liquid separator, a electronic expansion valve is connected with the display registerator evaporimeter, the 2nd electronic expansion valve is connected with the freezer evaporimeter, a electronic expansion valve and the 2nd electronic expansion valve parallel connection, display registerator evaporimeter and freezer evaporimeter parallel connection, a electronic expansion valve, the 2nd electronic expansion valve is connected with dc -inverter compressing and condensing unit respectively, the display registerator evaporimeter, the freezer evaporimeter is connected with vapour and liquid separator respectively, vapour and liquid separator and dc -inverter compressing and condensing unit are connected, a dc -inverter refrigerating system for small -size supermarket of above -mentioned structure, can realize the high -efficient operation of frequency conversion compressor, the stability that keeps cryogenic temperature.
Description
Technical field
The utility model relates to refrigeration technology field, particularly relates to a kind of DC frequency-changing refrigeration system for Mini Supermarkets.
Background technology
In small-sized convenience store supermarket, existing refrigeration system mainly uses determines frequency Condensing units, and evaporimeter end all uses heating power expansion valve simultaneously.There are several aspects below not enough: under summer and winter conditions, environmental temperature fluctuation is large, and under summer extreme condition, can not keep higher energy efficiency coefficient; Simultaneously under the Smaller load condition in winter, the fixed frequent start-stop of Condensing units frequently, causes energy waste; Traditional heating power expansion valve adds magnetic valve control mode, and the temperature of whole evaporimeter end constantly fluctuates between a limited setting district, and temperature is non-constant; The duty of refrigeration system and evaporimeter end is not monitored, and the energy resource consumption of whole Mini Supermarkets can not manage.
Utility model content
In view of current Mini Supermarkets refrigeration system above shortcomings, the utility model provides a kind of DC frequency-changing refrigeration system for Mini Supermarkets, can keep the temperature stability of refrigeration system, improves refrigeration efficiency coefficient, effectively reduces energy consumption.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
A kind of DC frequency-changing refrigeration system for Mini Supermarkets, the described DC frequency-changing refrigeration system for Mini Supermarkets comprises DC frequency-changing Condensing units, first electric expansion valve, refrigerator display case evaporimeter, second electric expansion valve, freezer evaporimeter, gas-liquid separator, described first electric expansion valve is connected with refrigerator display case evaporimeter, described second electric expansion valve is connected with freezer evaporimeter, described first electric expansion valve and the second electric expansion valve are connected in parallel, described refrigerator display case evaporimeter and freezer evaporimeter are connected in parallel, described first electric expansion valve, second electric expansion valve is connected with DC frequency-changing Condensing units respectively, described refrigerator display case evaporimeter, freezer evaporimeter is connected with gas-liquid separator respectively, described gas-liquid separator is connected with DC frequency-changing Condensing units.
According to an aspect of the present utility model, the described DC frequency-changing refrigeration system for Mini Supermarkets also comprises state detector, and described DC frequency-changing Condensing units, the first electric expansion valve, the second electric expansion valve are connected with state detector respectively.
According to an aspect of the present utility model, the described DC frequency-changing refrigeration system for Mini Supermarkets also comprises reservoir, and described first electric expansion valve, the second electric expansion valve are connected with reservoir respectively.
According to an aspect of the present utility model, the described DC frequency-changing refrigeration system for Mini Supermarkets also comprises idle call hand valve, feed flow liquid-sighting glass, described first electric expansion valve, the second electric expansion valve are connected with idle call hand valve respectively, and described idle call hand valve, reservoir are connected with feed flow liquid-sighting glass respectively.
According to an aspect of the present utility model, described DC frequency-changing Condensing units comprises DC frequency-changeable compressor, oil eliminator, condenser, described DC frequency-changeable compressor and oil eliminator are interconnected, and described oil eliminator is connected with condenser, and described condenser is connected with reservoir.
The advantage that the utility model is implemented: the gas-liquid mixture by the first electric expansion valve and the second 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, can control at the appointed time by refrigerator display case evaporimeter, the refrigerant gas amount of freezer evaporimeter keeps the constancy of cryogenic temperature, make DC frequency-changeable compressor can realize Effec-tive Function under Various Seasonal and different load condition, by state detector to DC frequency-changing Condensing units, the duty of the first electric expansion valve and the second electric expansion valve carries out Real-Time Monitoring, reduce the energy consumption of refrigeration system, the DC frequency-changing refrigeration system for Mini Supermarkets 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 schematic arrangement schematic diagram of a kind of DC frequency-changing refrigeration system for Mini Supermarkets described in the utility model;
Fig. 2 is the concrete structure schematic diagram of a kind of DC frequency-changing refrigeration system for Mini Supermarkets 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 depicted in figs. 1 and 2, a kind of DC frequency-changing refrigeration system for Mini Supermarkets, the described DC frequency-changing refrigeration system for Mini Supermarkets comprises DC frequency-changing Condensing units 1, first electric expansion valve 2, refrigerator display case evaporimeter 3, second electric expansion valve 4, freezer evaporimeter 5, gas-liquid separator 6, described first electric expansion valve 2 is connected with refrigerator display case evaporimeter 3, described second electric expansion valve 4 is connected with freezer evaporimeter 5, described first electric expansion valve 2 and the second electric expansion valve 4 are connected in parallel, described refrigerator display case evaporimeter 3 is connected in parallel with freezer evaporimeter 5, described first electric expansion valve 2, second electric expansion valve 4 is connected with DC frequency-changing Condensing units 1 respectively, described refrigerator display case evaporimeter 3, freezer evaporimeter 5 is connected with gas-liquid separator 6 respectively, described gas-liquid separator 6 is connected with DC frequency-changing Condensing units 1.
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 the first electric expansion valve and the second 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, the time scale of the opening and closing of the first electric expansion valve and the second electric expansion valve is set, can control at the appointed time by refrigerator display case evaporimeter, the refrigerant gas amount of freezer evaporimeter keeps the constancy of cryogenic temperature, make frequency-changeable compressor can realize Effec-tive Function under Various Seasonal and different load condition.
In the present embodiment, the DC frequency-changing refrigeration system for Mini Supermarkets also comprises state detector 7, and described DC frequency-changing Condensing units 1, first electric expansion valve 2, second electric expansion valve 4 is connected with state detector 1 respectively.
Carry out Real-Time Monitoring by the duty of state detector to DC frequency-changing Condensing units, the first electric expansion valve and the second electric expansion valve, reduce the energy consumption of refrigeration system, realize the energy-conserving and environment-protective of whole refrigeration system.
In the present embodiment, the DC frequency-changing refrigeration system for Mini Supermarkets also comprises reservoir 8, and described first electric expansion valve 2, second electric expansion valve 4 is connected with reservoir 8 respectively.
In the present embodiment, DC frequency-changing refrigeration system for Mini Supermarkets also comprises idle call hand valve 9, feed flow liquid-sighting glass 10, described first electric expansion valve 2, second electric expansion valve 4 is connected with idle call hand valve 9 respectively, and described idle call hand valve 9, reservoir 8 are connected with feed flow liquid-sighting glass 10 respectively.
In the present embodiment, DC frequency-changing Condensing units 1 comprises DC frequency-changeable compressor 11, oil eliminator 12, condenser 13, described DC frequency-changeable compressor 11 is interconnected with oil eliminator 12, and described oil eliminator 12 is connected with condenser 13, and described condenser 13 is connected with reservoir 8.
The advantage that the utility model is implemented: the gas-liquid mixture by the first electric expansion valve and the second 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, can control at the appointed time by refrigerator display case evaporimeter, the refrigerant gas amount of freezer evaporimeter keeps the constancy of cryogenic temperature, make DC frequency-changeable compressor can realize Effec-tive Function under Various Seasonal and different load condition, by state detector to DC frequency-changing Condensing units, the duty of the first electric expansion valve and the second electric expansion valve carries out Real-Time Monitoring, reduce the energy consumption of refrigeration system, the DC frequency-changing refrigeration system for Mini Supermarkets 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 (5)
1. the DC frequency-changing refrigeration system for Mini Supermarkets, it is characterized in that, the described DC frequency-changing refrigeration system for Mini Supermarkets comprises DC frequency-changing Condensing units, first electric expansion valve, refrigerator display case evaporimeter, second electric expansion valve, freezer evaporimeter, gas-liquid separator, described first electric expansion valve is connected with refrigerator display case evaporimeter, described second electric expansion valve is connected with freezer evaporimeter, described first electric expansion valve and the second electric expansion valve are connected in parallel, described refrigerator display case evaporimeter and freezer evaporimeter are connected in parallel, described first electric expansion valve, second electric expansion valve is connected with DC frequency-changing Condensing units respectively, described refrigerator display case evaporimeter, freezer evaporimeter is connected with gas-liquid separator respectively, described gas-liquid separator is connected with DC frequency-changing Condensing units.
2. the DC frequency-changing refrigeration system for Mini Supermarkets according to claim 1, it is characterized in that, the described DC frequency-changing refrigeration system for Mini Supermarkets also comprises state detector, and described DC frequency-changing Condensing units, the first electric expansion valve, the second electric expansion valve are connected with state detector respectively.
3. the DC frequency-changing refrigeration system for Mini Supermarkets according to claim 2, it is characterized in that, the described DC frequency-changing refrigeration system for Mini Supermarkets also comprises reservoir, and described first electric expansion valve, the second electric expansion valve are connected with reservoir respectively.
4. the DC frequency-changing refrigeration system for Mini Supermarkets according to claim 3, it is characterized in that, the described DC frequency-changing refrigeration system for Mini Supermarkets also comprises idle call hand valve, feed flow liquid-sighting glass, described first electric expansion valve, the second electric expansion valve are connected with idle call hand valve respectively, and described idle call hand valve, reservoir are connected with feed flow liquid-sighting glass respectively.
5. the DC frequency-changing refrigeration system for Mini Supermarkets according to claim 4, it is characterized in that, described DC frequency-changing Condensing units comprises DC frequency-changeable compressor, oil eliminator, condenser, described DC frequency-changeable compressor and oil eliminator are interconnected, described oil eliminator is connected with condenser, and described condenser is connected with reservoir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520551370.4U CN204963270U (en) | 2015-07-27 | 2015-07-27 | A dc -inverter refrigerating system for small -size supermarket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520551370.4U CN204963270U (en) | 2015-07-27 | 2015-07-27 | A dc -inverter refrigerating system for small -size supermarket |
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| CN204963270U true CN204963270U (en) | 2016-01-13 |
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| CN201520551370.4U Active CN204963270U (en) | 2015-07-27 | 2015-07-27 | A dc -inverter refrigerating system for small -size supermarket |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020007272A1 (en) * | 2018-07-02 | 2020-01-09 | 艾默生环境优化技术(苏州)有限公司 | Variable speed condensing unit, self-adaptive capacity adjustment method, storage medium, and controller |
| CN110878995A (en) * | 2019-12-10 | 2020-03-13 | 珠海格力电器股份有限公司 | Showcase refrigeration system and control method thereof |
-
2015
- 2015-07-27 CN CN201520551370.4U patent/CN204963270U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020007272A1 (en) * | 2018-07-02 | 2020-01-09 | 艾默生环境优化技术(苏州)有限公司 | Variable speed condensing unit, self-adaptive capacity adjustment method, storage medium, and controller |
| CN110878995A (en) * | 2019-12-10 | 2020-03-13 | 珠海格力电器股份有限公司 | Showcase refrigeration system and control method thereof |
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