CN100432592C - Heat release structure of direct cooling refrigerator - Google Patents
Heat release structure of direct cooling refrigerator Download PDFInfo
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- CN100432592C CN100432592C CNB2004100193797A CN200410019379A CN100432592C CN 100432592 C CN100432592 C CN 100432592C CN B2004100193797 A CNB2004100193797 A CN B2004100193797A CN 200410019379 A CN200410019379 A CN 200410019379A CN 100432592 C CN100432592 C CN 100432592C
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- condenser
- flow passage
- air flow
- heat
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Abstract
The present invention discloses a heat releasing structure of a direct cold type refrigerator, which comprises a housing, an inner shell, a freezing chamber, a refrigerating chamber, a mechanical chamber, a heat insulation material and a condenser; the housing forms the appearance of the refrigerator, the inner shell is positioned in the housing, the rear side of the inner shell and the rear side of the housing are separated so as to form an air flowing channel, the freezing chamber and the refrigerating chamber are respectively positioned at the upper side and the lower side in the inner shell, the mechanical chamber is positioned in the space on the bottom of the rear wall surface in the housing and is provided with, compressor fittings, the heat insulation material is on the rear wall surface of the housing, and the condenser is on the inner wall surface of the rear side of the housing. The present invention increases the heat releasing surface of the heat generated by the condenser, and can improve the heat releasing efficiency of the condenser.
Description
Technical field
The present invention relates to a kind of derect refrigerated refrigerator, especially, improve the heat radiation structure of the derect refrigerated refrigerator of thermal discharging efficiency of condensator by increasing the heat release area of condenser.
Background technology
Usually, refrigerator is a series of freeze cycle of carrying out compression condensation-expansion-evaporation by refrigerant repeatedly, will keep low temperature in the cabinet, and the freezing and cold storage plant of can be long-time fresh keeping food is a kind of daily necessities.
The refrigerating circulation system of refrigerator mainly comprises compressor, condenser, expansion valve and evaporimeter.Wherein, compressor converts the gas coolant increasing temperature and pressure of low-temp low-pressure state the gas coolant of high-temperature high-pressure state to; Condenser carries out heat exchange to the HTHP gaseous coolant that flows into from compressor with extraneous air, makes its cooling/condensation, converts the liquid refrigerants of 40 ℃ of temperature, pressure 9atm to; The diameter of expansion valve is than other position diameter stenosis, so expansion valve reduces from the pressure of the refrigerant of condenser inflow; Along with the refrigerant that flows into from expansion valve flashes to low temperature-30 ℃ from low pressure 0atm state, evaporimeter absorbs the heat in the cabinet.
Described freeze cycle lasts till that in-cabinet temperature reaches till the design temperature, when in-cabinet temperature reaches design temperature, temperature detecting sensor perception in-cabinet temperature has reached design temperature, pass the signal in the micro computer, by the microcomputerized control refrigerator, it was shut down before in-cabinet temperature rises to design temperature, can prevent electric power cold excessively in the cabinet, that waste is unnecessary thus.
Structure as the refrigerator of above-mentioned freeze cycle roughly is divided into refrigerating chamber and refrigerating chamber.Wherein, refrigerating chamber directly sucks the cold air after described evaporimeter heat exchange, maintaining in the cabinet about-18 ℃; Refrigerating chamber sucks cold air from refrigerating chamber, and in-cabinet temperature is maintained about 0～7 ℃.
As shown in Figure 1, derect refrigerated refrigerator is in the past mainly formed structure and is comprised shell 100, inner casing 200, refrigerating chamber R and refrigerating chamber F, Machine Room 300, heat-barrier material 210, condenser 400 etc.Wherein, shell 100 forms the outward appearance of refrigerator; Inner casing 200 is positioned at the inside of shell 100; Refrigerating chamber R and refrigerating chamber F are positioned at the upper and lower both sides of inner casing 200 inside separately; Machine Room 300 is positioned in the certain space of rear surface bottom of shell 100 inside, and accessory such as compressor 310 is housed; Heat-barrier material 210 is on the rear surface of shell 100; Condenser 400 is on the internal face of shell 100 rear sides.
Here, heat-barrier material 210 uses polyurethane material, foaming between described inner casing 200 and shell 100.As shown in Figure 2, bury condenser 400 underground between the inboard of shell 100 and the heat-barrier material 210.
In addition, described shell 100 and bury underground between the heat-barrier material 210 of condenser 400 and also possess aluminium strip 410, fixing described condenser 400 and prevent that the heat-barrier material 210 that has foamed from revealing.Described condenser 400 is links of refrigerator refrigeration circulation, and refrigerant portion within it flows.In condenser 400 internal flows, the refrigerant heat release descends temperature, then circulation fixed refrigerating circulation system.
As mentioned above, condenser 400 is embedded in shell 100 inboards of refrigerator side and the reason between the heat-barrier material 210 is: make the heat that generates at condenser 400 can utilize the big relatively abundant heat release in refrigerator side of surface area.
But the heat radiation structure of aforesaid derect refrigerated refrigerator in the past has following shortcoming: because condenser 400 is embedded between shell 100 rear side internal faces and the heat-barrier material 210, as shown in Figure 2, described condenser 400 is with the contact of shell 100 lines.Here, because condenser 400 contacts with shell 100 lines, therefore the area that the heat of generation discharges on condenser 400 is very little.So, can not fully guarantee the heat release area of condenser 400, the exothermal efficiency of condenser 400 is low.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of heat release area that increases the heat of condenser generation, the derect refrigerated refrigerator heat radiation structure of raising thermal discharging efficiency of condensator.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of heat radiation structure of derect refrigerated refrigerator, include shell, inner casing, refrigerating chamber and refrigerating chamber, Machine Room, heat-barrier material, condenser, and shell forms the outward appearance of refrigerator; Inner casing is positioned at the inside of shell, and inner casing rear side and shell rear side are separated by and are formed air flow passage; Refrigerating chamber and refrigerating chamber are positioned at the both sides up and down of inner casing inside separately; The Machine Room is positioned in the space of enclosure rear surface bottom, and the compressor accessory is housed; Heat-barrier material is on the rear surface of shell; Condenser is on the rear side internal face of shell, and the shape that the lateral terminal that makes progress dwindles stream is gradually formed at the top of described air flow passage.
Also have with the rear wall of inner casing be separated by, the inside plate of, upper bend corresponding with inner casing.
Described shell has the suction inlet that sucks extraneous air in air flow passage.
Described suction inlet is in the two bottom sides of shell.
Described suction inlet is communicated with the refrigerator Machine Room with compressor, and described Machine Room is communicated with air flow passage.
Described suction inlet is positioned to make and flows into air through arranging the position to air flow passage behind the compressor.
The invention has the beneficial effects as follows: because derect refrigerated refrigerator inside possesses air flow passage, the heat release area of the heat that distributes the condenser generation is increased, can improve the exothermal efficiency of condenser.Because the shape that the lateral terminal that makes progress dwindles stream is gradually formed at the top of air flow passage, makes extraneous air carry out free convection swimmingly in air flow passage inside, can improve the exothermal efficiency of condenser.
Description of drawings
Fig. 1 is the schematic drawing of derect refrigerated refrigerator structure in the past.
Fig. 2 is the schematic drawing at the main position of condenser heat radiation structure, Fig. 1 ' A ' position.
Fig. 3 is the schematic drawing of the derect refrigerated refrigerator structure of the embodiment of the invention.
Fig. 4 is the schematic drawing at the main position of condenser heat radiation structure at Fig. 3 ' A ' position.
Among the figure, 100: shell; 200: inner casing; 210: heat-barrier material; 300: the Machine Room; 310: compressor; 400: condenser; 500: air flow passage; 220: the inside plate.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
As shown in Figure 3, the derect refrigerated refrigerator of the embodiment of the invention is mainly formed structure and is comprised shell 100, inner casing 200, refrigerating chamber R and refrigerating chamber F, Machine Room 300, heat-barrier material 210, condenser 400.Wherein, shell 100 forms the outward appearance of refrigerator; Inner casing 200 is positioned at the inside of shell 100, and rear side and shell 100 rear sides form air flow passage 500 at a certain distance; Refrigerating chamber R and refrigerating chamber F are positioned at the upper and lower both sides of inner casing 200 inside separately; Machine Room 300 is positioned in the certain space of rear surface bottom of shell 100 inside, can assemble accessories such as compressor; Heat-barrier material 210 is on the rear surface of shell 100; Condenser 400 is on the internal face of shell 100 rear sides.
Derect refrigerated refrigerator of the present invention also possesses the inside plate 220.And described the inside plate 220 has a determining deviation with inner casing 200 rear surfaces, and corresponding with inner casing 200, and crooked shape is formed at its top.
The purpose that the inside plate 220 is set is in order to separate heat-barrier material 210 and condenser 400, the upper bend of the inside plate 220 simultaneously, and the internal pressure that can change air flow passage 500 thus is poor.
In addition, shell 100 forms at least more than one suction inlet (not shown), and extraneous air is flowed into to air flow passage 500.
In the embodiments of the invention, flow to air flow passage 500 swimmingly in order to make extraneous air, the two bottom sides of shell 100 has suction inlet separately.
In addition, described suction inlet is communicated with the refrigerator Machine Room 300 with compressor 310, and Machine Room 300 is communicated with air flow passage 500.
Here, suction inlet is positioned to make and flows into air by the position of compressor 310 back rows to air flow passage 500.
In each suction inlet that extraneous air flows into Machine Room 300 is communicated with, extraneous air is arranged to 500 li of air flow passage through compressor 310 backs.
At this moment, the extraneous air of described inflow becomes high relatively than the benchmark air themperature of 500 li of air flow passage through the high compressor 310 of surface temperature, 300 discharges to air flow passage 500 from the Machine Room then.This is to have utilized the free convection phenomenon, when the extraneous air that flows into suction inlet through compressor 310 and temperature rises, the extraneous air that temperature rises flows to air flow passage 500 and discharges.
At this moment, because the inflow air themperature of described discharge is than benchmark air flow passage 500 Inside Air Temperature height, when the temperature that flows into air is high more, it is fast more that inner cold air carries the speed that the hot-air of inflow rises.
In addition, the shape that the lateral terminal that makes progress dwindles stream is gradually formed at the top of described air flow passage 500.
In order to make the air that flows into air flow passage 500 because air flow passage 500 inside exist pressure differential to carry out more swimmingly free convection, the shape that the lateral terminal that makes progress dwindles stream gradually should be formed at the top of air flow passage 500.
Specify the exothermal effect of derect refrigerated refrigerator of the present invention below by embodiment:
Refrigerant flows into condenser 400 be compressed into the vapor state of HTHP by the compressor 310 of derect refrigerated refrigerator after.At this moment, in order to give described condenser heat release, extraneous air flows into Machine Room 300 by the suction inlet that is positioned at described shell 100 two bottom sides separately, then through the compressor 310 of 300 li of Machine Rooms, convert the hot-air of high temperature to, discharge to air flow passage 500.Row mixes with the benchmark air of air flow passage 500 inside to the hot-air of air flow passage 500, and mixing air moves in air flow passage 500 inner utilization free convection phenomenons.
For the internal pressure of utilizing air flow passage 500 poor, the shape that the lateral terminal that makes progress dwindles stream is gradually formed at the top of air flow passage 500, makes the mixing air of air flow passage 500 inside carry out free convection swimmingly in air flow passage 500 inside.Be that condenser 400 comes heat release by the air that utilizes the free convection phenomenon in air flow passage 500 internal flows.
As mentioned above, because derect refrigerated refrigerator inside possesses air flow passage 500, can increase the heat release area of the HTHP heat of condenser 400 generations.
In addition, the present invention also possesses the exothermic process that the natural convection air of air flow passage 500 inside causes except having conduction exothermic process in the past.
Claims (6)
1, a kind of heat radiation structure of derect refrigerated refrigerator includes shell, inner casing, refrigerating chamber and refrigerating chamber, Machine Room, heat-barrier material, condenser, and shell (100) forms the outward appearance of refrigerator; Inner casing (200) is positioned at the inside of shell (100), and inner casing (200) rear side and shell (100) rear side are separated by and are formed air flow passage (500); Refrigerating chamber (R) and refrigerating chamber (F) are positioned at the inner both sides up and down of inner casing (200) separately; Machine Room (300) is positioned in the space of shell (100) inner back wall face bottom, and the compressor accessory is housed; Heat-barrier material (210) is on the rear surface of shell (100); Condenser (400) is characterized in that the shape that the lateral terminal that makes progress dwindles stream is gradually formed at the top of described air flow passage (500) on the rear side internal face of shell (100).
2, the heat radiation structure of derect refrigerated refrigerator according to claim 1, it is characterized in that also having with the rear wall of inner casing (200) be separated by, the inside plate (220) of, upper bend corresponding with inner casing (200).
3, the heat radiation structure of derect refrigerated refrigerator according to claim 1 is characterized in that described shell (100) has the suction inlet that sucks extraneous air to air flow passage (500) lining.
4, the heat radiation structure of derect refrigerated refrigerator according to claim 3 is characterized in that the two bottom sides of described suction inlet in shell (100).
5, the heat radiation structure of derect refrigerated refrigerator according to claim 3 it is characterized in that described suction inlet is communicated with the refrigerator Machine Room (300) with compressor, and described Machine Room (300) is communicated with air flow passage (500).
6, the heat radiation structure of derect refrigerated refrigerator according to claim 5, it is characterized in that described suction inlet be positioned at make flow into air through row behind the compressor to the position of air flow passage (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100193797A CN100432592C (en) | 2004-05-27 | 2004-05-27 | Heat release structure of direct cooling refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100193797A CN100432592C (en) | 2004-05-27 | 2004-05-27 | Heat release structure of direct cooling refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1704707A CN1704707A (en) | 2005-12-07 |
| CN100432592C true CN100432592C (en) | 2008-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100193797A Expired - Fee Related CN100432592C (en) | 2004-05-27 | 2004-05-27 | Heat release structure of direct cooling refrigerator |
Country Status (1)
| Country | Link |
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| CN (1) | CN100432592C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907377B (en) * | 2010-08-16 | 2016-01-06 | 倪既民 | Air passage radiating electric refrigerator |
| CN102937354A (en) * | 2011-08-16 | 2013-02-20 | 梅宝军 | Energy-saving refrigerator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05272858A (en) * | 1992-03-25 | 1993-10-22 | Hitachi Ltd | Refrigerator |
| JPH06159901A (en) * | 1992-11-18 | 1994-06-07 | Hitachi Ltd | Refrigerator |
| JPH06174357A (en) * | 1992-12-01 | 1994-06-24 | Hitachi Ltd | Refrigerator |
| JPH09210532A (en) * | 1996-01-31 | 1997-08-12 | Sanyo Electric Co Ltd | Cooling storage warehouse |
| JPH10160314A (en) * | 1996-11-25 | 1998-06-19 | Hitachi Ltd | Absorption type refrigerator |
| CN1533494A (en) * | 2001-10-23 | 2004-09-29 | 利塔尔两合公司 | Refrigerating appliance comprising a refrigerant circulation device |
-
2004
- 2004-05-27 CN CNB2004100193797A patent/CN100432592C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05272858A (en) * | 1992-03-25 | 1993-10-22 | Hitachi Ltd | Refrigerator |
| JPH06159901A (en) * | 1992-11-18 | 1994-06-07 | Hitachi Ltd | Refrigerator |
| JPH06174357A (en) * | 1992-12-01 | 1994-06-24 | Hitachi Ltd | Refrigerator |
| JPH09210532A (en) * | 1996-01-31 | 1997-08-12 | Sanyo Electric Co Ltd | Cooling storage warehouse |
| JPH10160314A (en) * | 1996-11-25 | 1998-06-19 | Hitachi Ltd | Absorption type refrigerator |
| CN1533494A (en) * | 2001-10-23 | 2004-09-29 | 利塔尔两合公司 | Refrigerating appliance comprising a refrigerant circulation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1704707A (en) | 2005-12-07 |
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Granted publication date: 20081112 |