CN202835998U - Double-circulation energy-saving refrigerator - Google Patents
Double-circulation energy-saving refrigerator Download PDFInfo
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- CN202835998U CN202835998U CN 201220376447 CN201220376447U CN202835998U CN 202835998 U CN202835998 U CN 202835998U CN 201220376447 CN201220376447 CN 201220376447 CN 201220376447 U CN201220376447 U CN 201220376447U CN 202835998 U CN202835998 U CN 202835998U
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- circulation
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- water pump
- refrigeration
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Abstract
An energy-saving refrigerator synchronously has two refrigeration circulation modes. The refrigerator is based on a traditional refrigerator; and a refrigeration system is additionally provided with a second circulation. The second circulation constitutes a closed circulation system by a water pump, a heat absorber, a radiator and a connection pipeline, wherein a water and alcohol mixture with large specific heat and low freezing point is charged in as refrigerant (for distinguishing, the following referred to as coolant). In winter, when the outdoor temperature is lower than the temperature of a refrigeration room or a freezing room, the water pump is preferentially started to work, and heat exchange between outdoor and the refrigerator is realized by using circulation of the coolant in the water pump, the heat absorber, the radiator and the connection pipeline so as to achieve a cooling purpose.
Description
One, technical field
The utility model relates to a kind of energy-saving electric refrigerator that has simultaneously two kinds of kind of refrigeration cycle modes.
Two, background technology
Long ago, north resident just has the custom of utilizing cold balcony storage vegetables, food, but because seasonal variations and the temperature difference of every day can not guarantee that outdoor temperature is stable, therefore temperature is crossed and is usually made when low vegetables, fruit freezing, and food is usually putrid and deteriorated easily during excess Temperature.Until the appearance of refrigerator, these problems just are readily solved.
Traditional refrigerator is made of casing, refrigeration system, control system and annex at present.In refrigeration system, chief component has compressor, condenser, evaporimeter and capillary restrictor four parts, has the circulatory system of a sealing of one's own.Charge cold-producing medium in this system, cold-producing medium is vaporizated into gas by low pressure liquid in evaporimeter, absorbs the heat in the refrigerator, and the temperature inside the box is reduced.The cold-producing medium that becomes gaseous state is sucked by compressor, by compressor work it is compressed into the gas of HTHP, enters condenser again.Constantly towards periphery space heat release of cold-producing medium progressively condenses into liquid in condenser.These highly pressurised liquids capillary of flowing through, reducing pressure by regulating flow slowly flows into evaporimeter, maintains vaporization in the evaporimeter, absorbing and cooling temperature with keeping.Like this, refrigerator utilizes the electric energy acting, by the states of matter variation of cold-producing medium, the heat conveyance around the evaporimeter in the case is gone to emit in the case post-condenser, and the constantly circulation that so goes round and begins again is to reach the refrigeration purpose.
North of China cold in winter is very long, the water freezes as it drips, for example the outdoor lowest temperature in Harbin once reached subzero 52.3 ℃, and being widely used owing to warming installation, indoor temperature can be remained on more than 20 ℃, refrigerator will consume a large amount of electric energy and keep inner cryogenic like this, and outdoor low temperature can not be fully used, and causes huge waste.
Three, summary of the invention
The technical problem that (1) will solve
Two circulating energy-saving refrigerators are exactly on the basis of conventional refrigerator, and refrigeration system increases by second circulation, utilizes water-alcohol mixture as cold-producing medium, utilizes water pump to make its circulation, and air and outdoor air carry out exchange heat in the refrigerator, reach the purpose of cooling.
(2) technical scheme
Two circulating energy-saving refrigerators also are to be made of casing, refrigeration system, control system and annex.Be with the conventional refrigerator difference, two circulation refrigeration system of refrigerator by two independently kind of refrigeration cycle form.One is traditional kind of refrigeration cycle with compressor; Another is the kind of refrigeration cycle with water pump, and this circulatory system has increased outdoor hanging machine case.
The first circulation mainly is made of the system of sealing compressor, condenser, evaporimeter and connecting line etc.In summer, outdoor temperature is higher than refrigerating chamber or freezer temperature, preferentially starts compressor operating, utilizes cold-producing medium to circulate in compressor, condenser, evaporimeter and capillary restrictor, reaches the cooling purpose.
The second circulation forms the circulatory system of sealing by water pump, heat dump, radiator and connecting line, wherein is filled with specific heat is large, freezing point is low water-alcohol mixture as cold-producing medium (for differentiation, below being called cooling fluid).In winter, outdoor temperature is lower than refrigerating chamber or freezer temperature, preferentially starts pump working, utilizes the circulation of cooling fluid in water pump, heat dump, radiator and tube connector, realizes the heat exchange in outdoor and the refrigerator, reaches the cooling purpose.
(3) beneficial effect
Two circulating energy-saving refrigerators that the utility model relates to, have two kinds of cooling cycle systems, second circulatory system replaces the larger compressor of power with lower-powered water pump, the second circulatory system work can reduce the number of starts and the working time of first circulatory system, thereby reaches the purpose of saving electric energy.
Winter, power saving when outside air temperature is lower than-20 ℃, this moment, two cycle refrigerator only had the small-power pump working, average power consumption every day less than 0.12 degree; In summer, outdoor temperature all is higher than 5 ℃ of temperature of refrigerating chamber, and circulation this moment second does not start, and two cycle refrigerator only depend on the first periodic duty, and power consumption is identical with conventional refrigerator.Average power consumption every day of conventional refrigerator is about 0.60 degree, and in the situation of power saving, two circulation refrigerator average every day of power consumption are less than 1/5th of conventional refrigerator.North of china in winter cold is very long, is that take Harbin example, year-round average temperature only have 3.6 ℃, and in the coldest January, temperature on average is subzero 13.2 ℃ to subzero 24.8 ℃, and temperature is lower than 5 ℃ of periods and accounts for annual over half.If adopt two circulating energy-saving refrigerators, every every year can power saving more than 40%.
Four, description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Accompanying drawing is two circulating energy-saving refrigerator schematic diagrams.
Among the figure: 1. the first circulation; 2. the second circulation; 3. water pump; 4. condenser; 5. pipeline; 6. cold-producing medium; 7. compressor; 8. refrigerating chamber; 9. evaporimeter; 10. heat dump; 11. cooling fluid; 12. hanging machine case; 13. radiator; 14. cooling fluid.
Five, embodiment
Two circulating energy-saving refrigerators and conventional refrigerator structure are basic identical, be with the conventional refrigerator difference, two circulation refrigeration system of refrigerator by two independently kind of refrigeration cycle form, and increased outdoor hanging machine case (12).The first circulation (1) is traditional kind of refrigeration cycle with compressor (7); The second circulation (2) is the kind of refrigeration cycle with water pump (15).Two circulations are by the unified control of refrigerator control system.
The first circulation (1) mainly is made of the system of sealing compressor (7), condenser (4), evaporimeter (9) and connecting line (5) etc.During summer high temperature, refrigeration system the first circulation (1) work.Charge cold-producing medium (6) in this circulation, evaporimeter (9) is inner in refrigerating chamber (8) is vaporizated into gas by low pressure liquid for cold-producing medium (6), absorbs the heat in the refrigerator, and the temperature inside the box is reduced.The cold-producing medium that becomes gaseous state is sucked by compressor (7), and acting is compressed into the gas of HTHP to it by compressor (7), enters condenser (4) again.Constantly towards periphery space heat release of cold-producing medium (6) progressively condenses into liquid in condenser (4).These highly pressurised liquids capillary of flowing through, reducing pressure by regulating flow slowly flows into evaporimeter (9), maintains the inner vaporization of evaporimeter (9), absorbing and cooling temperature with keeping.Like this, refrigerator utilizes the electric energy acting, by the states of matter variation of cold-producing medium (6), evaporimeter in the case (9) heat conveyance is on every side emitted to inner the going of case post-condenser (4), and the constantly circulation that so goes round and begins again is to reach the refrigeration purpose.
The second circulation (2) forms the circulatory system of sealing by water pump (14), heat dump (10), radiator (13) and connecting line, and water pump (3) and radiator (13) are installed in the outdoor hanging machine case (12).During winter low temperature, refrigeration system the second circulation (3) work.Charge cooling fluid (11) in this circulation, when internal temperature of refrigerator was higher than the temperature of setting, water pump (3) was started working, and made the lower cooling fluid (11) of radiator (13) internal temperature be recycled to heat dump (10) heat absorption, temperature uprises, and then gets back to radiator (13) heat radiation.Like this, refrigerator utilizes electric energy to drive water pump (3) acting, by cooling fluid (11) flowing in second circulation (2) system, heat dump in the refrigerator (10) heat conveyance is on every side emitted to outdoor radiator (13), so go round and begin again and constantly circulate, to reach the refrigeration purpose.
Claims (3)
1. the two circulating energy-saving refrigerators that have simultaneously two kinds of kind of refrigeration cycle modes mainly are made of casing, refrigeration system, control system and annex.Its specific features is: two circulation refrigeration system of refrigerator by two independently kind of refrigeration cycle form.The first circulation is traditional kind of refrigeration cycle with compressor; The second circulation is the kind of refrigeration cycle with water pump.
2. according to claim 1 pair of circulating energy-saving refrigerator is characterized in that: the second circulation has hanging machine case, and water pump and radiator are installed in the hanging machine case.
3. according to claim 1 pair of circulating energy-saving refrigerator, it is characterized in that: the second cycling use of water and crude alcohol mixture are as cold-producing medium (cooling fluid).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376447 CN202835998U (en) | 2012-08-01 | 2012-08-01 | Double-circulation energy-saving refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376447 CN202835998U (en) | 2012-08-01 | 2012-08-01 | Double-circulation energy-saving refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202835998U true CN202835998U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220376447 Expired - Fee Related CN202835998U (en) | 2012-08-01 | 2012-08-01 | Double-circulation energy-saving refrigerator |
Country Status (1)
| Country | Link |
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| CN (1) | CN202835998U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575027A (en) * | 2012-08-01 | 2014-02-12 | 东北林业大学 | Double-circulation energy-saving refrigerator |
| CN104329856A (en) * | 2014-10-10 | 2015-02-04 | 合肥美的电冰箱有限公司 | Mixed refrigeration refrigerator and mixed refrigeration method |
-
2012
- 2012-08-01 CN CN 201220376447 patent/CN202835998U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103575027A (en) * | 2012-08-01 | 2014-02-12 | 东北林业大学 | Double-circulation energy-saving refrigerator |
| CN103575027B (en) * | 2012-08-01 | 2016-05-11 | 东北林业大学 | Two circulation refrigerators |
| CN104329856A (en) * | 2014-10-10 | 2015-02-04 | 合肥美的电冰箱有限公司 | Mixed refrigeration refrigerator and mixed refrigeration method |
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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: 20130327 Termination date: 20130801 |