CN103575027A - Double-circulation energy-saving refrigerator - Google Patents
Double-circulation energy-saving refrigerator Download PDFInfo
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- CN103575027A CN103575027A CN201210269244.0A CN201210269244A CN103575027A CN 103575027 A CN103575027 A CN 103575027A CN 201210269244 A CN201210269244 A CN 201210269244A CN 103575027 A CN103575027 A CN 103575027A
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Abstract
Disclosed is an energy-saving refrigerator which simultaneously has two refrigeration circulation modes. On the basis of the traditional refrigerator, a second circulation is added on a refrigeration system of the refrigerator. The second circulation is a closed circulation system consisting of a water pump, a heat absorber, a radiator and a connecting pipeline. Water and alcohol mixture with high specific heat and low freezing point is filled in the refrigerator and serves as refrigerating fluid (hereafter referred to as cooling fluid). When the outdoor temperature is lower than the temperature of a refrigerating chamber or a freezing chamber in the winter, the water pump is started to work preferentially, heat exchange between an outdoor environment and the inside of the refrigerator is realized by using circulation of the cooling fluid in the water pump, the heat absorber, the radiator and the connecting pipeline, and the purpose of reducing the temperature is achieved.
Description
One, technical field
Patent of the present invention relates to a kind of energy-saving electric refrigerator simultaneously with 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, still due to the temperature difference of seasonal variations and every day, can not guarantee that outdoor temperature is stable, therefore when temperature is too low, usually make vegetables, fruit freezing, during excess Temperature, food is usually easily putrid and deteriorated.Until the appearance of refrigerator, these problems are just readily solved.
Traditional refrigerator consists 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.In this system, charge cold-producing medium, cold-producing medium is vaporizated into gas by low pressure liquid in evaporimeter, absorbs the heat in 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, then enters condenser.In condenser, constantly space heat release towards periphery of cold-producing medium, progressively condenses into liquid.These highly pressurised liquids capillary of flowing through, reducing pressure by regulating flow slowly flows into evaporimeter, maintains in evaporimeter and keeps and vaporize, absorbing and cooling temperature.Like this, refrigerator utilizes electric energy acting, by the states of matter variation of cold-producing medium, the heat conveyance around of evaporimeter in case is gone to emit in case post-condenser, and the constantly circulation that so goes round and begins again, to reach refrigeration object.
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 due to warming installation, indoor temperature can be remained on more than 20 ℃, refrigerator will consume a large amount of electric energy and maintain inner cryogenic like this, and outdoor low temperature can not be fully used, and causes huge waste.
Three, summary of the invention
(1) technical problem that 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, utilize water pump to make its circulation, and in refrigerator, air and outdoor air carry out exchange heat, reach the object of cooling.
(2) technical scheme
Two circulating energy-saving refrigerators are also to consist of casing, refrigeration system, control system and annex.Be with 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 consists of the system of sealing compressor, condenser, evaporimeter and connecting line etc.In summer, outdoor temperature, 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 cooling object.
The second circulation consists of the circulatory system of sealing water pump, heat dump, radiator and connecting line, be wherein filled with specific heat is large, freezing point is low water-alcohol mixture as cold-producing medium (for differentiation, hereinafter referred to as cooling fluid).In winter, outdoor temperature, 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 refrigerator, reaches cooling object.
(3) beneficial effect
The two circulating energy-saving refrigerators that the present invention relates to, there are 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 object of saving electric energy.
In winter, outside air temperature is power saving during lower than-20 ℃, and now two cycle refrigerator only have small-power pump working, average power consumption every day less than 0.12 degree; In summer, outdoor temperature is all higher than 5 ℃ of temperature of refrigerating chamber, and now the second circulation 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 the in the situation that of power saving, two circulation refrigerator average every day of power consumption is less than 1/5th of conventional refrigerator.North of china in winter cold is very long, take Harbin as example, and year-round average temperature only has 3.6 ℃, and in the coldest January, temperature on average is subzero 13.2 ℃ to subzero 24.8 ℃, and temperature accounts for the over half of the whole year lower than 5 ℃ of periods.If adopt two circulating energy-saving refrigerators, every every year can power saving more than 40%.
Four, accompanying drawing explanation
Below in conjunction with drawings and Examples, patent of the present invention is further illustrated.
Accompanying drawing is two circulating energy-saving refrigerator schematic diagrams.
In 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 fluids; 12. hanging machine cases; 13. radiators; 14. cooling fluids.
Five, embodiment
Two circulating energy-saving refrigerators and conventional refrigerator structure are basic identical, be with 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 controlled by refrigerator control system is unified.
The first circulation (1) mainly consists 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.In this circulation, charge cold-producing medium (6), in refrigerating chamber (8), evaporimeter (9) is inner by low pressure liquid, is vaporizated into gas for cold-producing medium (6), absorbs the heat in refrigerator, and the temperature inside the box is reduced.The cold-producing medium that becomes gaseous state is sucked by compressor (7), and by compressor (7), acting is compressed into the gas of HTHP it, then enters condenser (4).In condenser (4), constantly space heat release towards periphery of cold-producing medium (6), progressively condenses into liquid.These highly pressurised liquids capillary of flowing through, reducing pressure by regulating flow slowly flows into evaporimeter (9), maintains inner the keeping of evaporimeter (9) and vaporizes, absorbing and cooling temperature.Like this, refrigerator utilizes electric energy acting, by the states of matter variation of cold-producing medium (6), evaporimeter in case (9) heat conveyance is around emitted to inner the going of case post-condenser (4), and the constantly circulation that so goes round and begins again, to reach refrigeration object.
The second circulation (2) consists of the circulatory system of sealing water pump (14), heat dump (10), radiator (13) and connecting line, water pump (3) and radiator (13) are arranged in outdoor hanging machine case (12).During winter low temperature, refrigeration system the second circulation (3) work.In this circulation, charge cooling fluid (11), when internal temperature of refrigerator higher than set temperature time, water pump (3) is started working, and makes the cooling fluid (11) that radiator (13) internal temperature is lower 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, and flowing by cooling fluid (11) in the second circulation (2) system, emits heat dump in refrigerator (10) heat conveyance around to outdoor radiator (13), so go round and begin again and constantly circulate, to reach refrigeration object.
Claims (3)
1. two circulating energy-saving refrigerators simultaneously with two kinds of kind of refrigeration cycle modes, mainly consist 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 arranged in hanging machine case.
3. according to claim 1 pair of circulating energy-saving refrigerator, 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 |
|---|---|---|---|
| CN201210269244.0A CN103575027B (en) | 2012-08-01 | 2012-08-01 | Two circulation refrigerators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210269244.0A CN103575027B (en) | 2012-08-01 | 2012-08-01 | Two circulation refrigerators |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103575027A true CN103575027A (en) | 2014-02-12 |
| CN103575027B CN103575027B (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210269244.0A Expired - Fee Related CN103575027B (en) | 2012-08-01 | 2012-08-01 | Two circulation refrigerators |
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| Country | Link |
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| CN (1) | CN103575027B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0225675A (en) * | 1988-07-13 | 1990-01-29 | Sanyo Electric Co Ltd | Refrigerator |
| CN2699207Y (en) * | 2004-05-19 | 2005-05-11 | 王兆昌 | Refrigerator with self-cooling auxiliary device |
| CN202835998U (en) * | 2012-08-01 | 2013-03-27 | 东北林业大学 | Double-circulation energy-saving refrigerator |
| CN103256771A (en) * | 2011-06-25 | 2013-08-21 | 荣国华 | Refrigerator with outdoor cold source |
-
2012
- 2012-08-01 CN CN201210269244.0A patent/CN103575027B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0225675A (en) * | 1988-07-13 | 1990-01-29 | Sanyo Electric Co Ltd | Refrigerator |
| CN2699207Y (en) * | 2004-05-19 | 2005-05-11 | 王兆昌 | Refrigerator with self-cooling auxiliary device |
| CN103256771A (en) * | 2011-06-25 | 2013-08-21 | 荣国华 | Refrigerator with outdoor cold source |
| CN202835998U (en) * | 2012-08-01 | 2013-03-27 | 东北林业大学 | Double-circulation energy-saving refrigerator |
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| Publication number | Publication date |
|---|---|
| CN103575027B (en) | 2016-05-11 |
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Granted publication date: 20160511 Termination date: 20170801 |