CN1236262C - Independent refrigeration electric refrigerator - Google Patents
Independent refrigeration electric refrigerator Download PDFInfo
- Publication number
- CN1236262C CN1236262C CN 01139913 CN01139913A CN1236262C CN 1236262 C CN1236262 C CN 1236262C CN 01139913 CN01139913 CN 01139913 CN 01139913 A CN01139913 A CN 01139913A CN 1236262 C CN1236262 C CN 1236262C
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- refrigerating chamber
- cold air
- chamber
- evaporimeter
- refrigerating
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- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The present invention relates to an independent refrigeration refrigerator which comprises a box body, a freezing chamber, a refrigerating chamber, a compressor, a condenser, an expansion valve, a blowing fan and an evaporator. The present invention is characterized in that the present invention has an independent cold air flow path of the freezing chamber and an independent cold air flow path of the refrigerating chamber, and the freezing chamber is separated from the refrigerating chamber by a partition board; the evaporator passing across the partition board is arranged on the upper parts of cold air passages of the freezing chamber and the refrigerating chamber, and the evaporator is shared by the freezing chamber and the refrigerating chamber, or two evaporators mutually connected in series and independently used are respectively arranged on the upper parts of the cold air passages of the freezing chamber and the refrigerating chamber. The independent refrigeration refrigerator of the present invention has the advantages that the cold air of the freezing chamber and the cold air of the refrigerating chamber are in mutually separating cycle, the sufficient cold air can be conveyed into the refrigerating chamber, the present invention prevents food in the freezing chamber and the refrigerating chamber from tainting by odour, the frost formation quantity of the evaporator is reduced, and the refrigerating efficiency is increased.
Description
Technical field
The present invention relates to a kind of chiller, particularly relate to a kind of refrigerator.
Background technology
Refrigerator is a kind of daily necessities, and it can make the food freezing that is stored in the refrigerator or fresh-keeping in a period of time.The operation principle of common refrigerator is, the circulation repeatedly of the compression-condensation-expansion-evaporation by refrigerant makes the inner low temperature that produces of refrigerator.
The structure of common refrigerator mainly comprises: compressor, condenser, expansion tube and evaporimeter.The effect of compressor is, with refrigerant by low temperature/low pressure gaseous state boil down to high temp/high pressure gaseous state; The effect of condenser is to make the high temp/high pressure gaseous coolant of compressor output be condensed into low temperature liquid; The effect of expansion tube is to make the low temperature liquid refrigerant decompression of condenser output; The effect of evaporimeter is to make the refrigerant evaporation from expansion tube, the heat of absorption refrigerator inside.
Further specify the structure and the operation principle thereof of common refrigerator with reference to the accompanying drawings:
As shown in Figure 1a, the evaporimeter 4 of common refrigerator is installed in the refrigerating chamber 1; On the top of evaporimeter 4, blowing fan 6 and drive motors thereof are installed in the top of evaporimeter 4; The front of evaporimeter 4 is provided with a hollow clapboard 7 that refrigerating chamber 1 and evaporimeter 4 are separated; The central cavity of hollow clapboard 7 forms cold air path 10, and hollow clapboard 7 has several cold gas exhausting outlets that leads to refrigerating chamber 1 11 on the sidewall of refrigerating chamber 1; The lower end of cold air path 10 communicates with refrigerating chamber; The cold air of high temperatureization flow into the cold air sucting inlet 13 on evaporimeter 4.
Shown in Fig. 1 b,, utilize dividing plate 3 that refrigerating chamber 1 and refrigerating chamber 2 are separated in a side of refrigerating chamber 1; Be respectively equipped with cold air intercommunicating pore 3a and 3b in the upper and lower of dividing plate 3, the effect of cold air intercommunicating pore 3a is that the cold air with refrigerating chamber is transported to refrigerating chamber 2, the effect of cold air intercommunicating pore 3b be with high temperature changes in the refrigerating chamber 2 cold air flow into refrigerating chamber 1 again.
The operation principle of this refrigerator is, fills food in refrigerating chamber 1 and refrigerating chamber 2, connects after the power supply of refrigerator, and refrigerant carries out heat exchange by evaporimeter 4 and refrigerator inside space.The cold air that evaporimeter 4 produces flows into refrigerating chamber 1 by cold air path 10 and cold air delivery outlet 11 under the driving of blowing fan 6.Wherein a part of cold air flows into refrigerating chamber 2 by connected entrance 3a.Then, refrigerating chamber 1 and refrigerating chamber 2 are in the circulating cold air structure of cold air through suction inlet 13 inflow evaporators 4 of high temperatureization.
The shortcoming of this refrigerator is, only some enters refrigerating chamber 2 through refrigerating chamber 1 in the cold air that evaporimeter 4 produces by heat exchange, although the design temperature of refrigerating chamber than refrigerating chamber height because the cold air of coming in is few, thereby the freezing capacity of refrigerating chamber is lower.
In addition, because the cold air of refrigerating chamber 1 and refrigerating chamber 2 is circulations mutually, thereby make taint of odour between the food that is stored in refrigerating chamber 1 and the refrigerating chamber 2 easily.Generally speaking, the food smell concentration height that 2 li article of putting of refrigerating chamber are deposited than 1 li of refrigerating chamber, the smell of these food can flow into refrigerating chamber 1, permeates among frozen food.
In addition, refrigerator is in running, and the moisture in the refrigerator can frosting on evaporimeter 4, the not only circulation of overslaugh cold air, and can reduce freezing capacity.Therefore, need around evaporimeter 4, carry out timing heating defrosting by assembly heater.But when the driving heater defrosted, cold air is carried just must stop a period of time.In addition, will generate heat when defrosting owing to heater, the temperature in the refrigerator will rise, and causes freezing load increase when restarting refrigeration, reduces freezing capacity.
Summary of the invention
Technical problem to be solved by this invention is, the independent refrigeration electric refrigerator that the food that stores in a kind of refrigerating chamber and the refrigerating chamber can taint of odour, freezing capacity is high is provided.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of independent refrigeration electric refrigerator is provided, comprise: casing, refrigerating chamber, refrigerating chamber, compressor, condenser, expansion valve, blowing fan and evaporimeter, wherein: have independently the cold air stream of refrigerating chamber and the cold air stream of refrigerating chamber, about be provided with dividing plate between the refrigerating chamber that is provided with and the refrigerating chamber; At the cold air path of refrigerating chamber and the cold air path top of refrigerating chamber a refrigerating chamber and a shared evaporimeter of refrigerating chamber that crosses dividing plate is installed.
Be respectively equipped with the cold gas exhausting outlet and the cold air sucting inlet that lead to refrigerating chamber on the sidewall of the cold air path of described refrigerating chamber; Be respectively equipped with the cold gas exhausting outlet that leads to refrigerating chamber and the suction inlet of cold air on the sidewall of the cold air path of refrigerating chamber.
Below described evaporimeter, be separately installed with the blowing fan of a strong refrigeration gas cycle in the cold air path of the cold air path of refrigerating chamber and refrigerating chamber.
Description of drawings
Fig. 1 is the longitudinal sectional view of common refrigerator;
Fig. 2 is the transverse sectional view of common refrigerator;
Fig. 3 a is the structural representation of independent refrigeration refrigerator embodiment 1 of the present invention;
Fig. 3 b is the structural representation of independent refrigeration refrigerator embodiment 2 of the present invention;
Fig. 4 a is the transverse sectional view of independent refrigeration refrigerator embodiment 1 of the present invention;
Fig. 4 b is the transverse sectional view of independent refrigeration refrigerator embodiment 2 of the present invention;
Fig. 5 is the front section view and the side sectional view of independent refrigeration refrigerator of the present invention.
Among the figure: 1: refrigerating chamber 2: refrigerating chamber
3: dividing plate 30: evaporimeter
100: the cold air path 105 of refrigerating chamber: the blowing fan of refrigerating chamber
200: the cold air path 205 of refrigerating chamber: the blowing fan of refrigerating chamber
The specific embodiment
Below in conjunction with the drawings and specific embodiments independent refrigeration electric refrigerator of the present invention is described in further detail:
Embodiment 1:
Shown in Fig. 3 a, with dividing plate 3 refrigerating chamber 1 and refrigerating chamber 2 are spaced from each other in the independent refrigeration electric refrigerator of present embodiment, make the cold air stream (B) circulate in the cold air stream (A) of refrigerating chamber 1 and to circulate in refrigerating chamber 2 be separated from each other.Refrigerating chamber 1 and refrigerating chamber 2 shared evaporimeters 30 carry out heat exchange.During the refrigerator operation, compressor 21 heats up the gaseous coolant process of low temperature/low pressure/boost, and flows to condenser 23; Then, the low-temperature/high-pressure liquid refrigerants of condenser 23 generations flows to expansion valve 25 by one section less pipeline of diameter; Low pressure/low temperature liquid refrigerant by expansion valve 25 produces flows to evaporimeter 30, the heat in low-pressure state in evaporation and the absorption refrigerator.
Shown in Fig. 4 a, in the independent refrigeration electric refrigerator of present embodiment, dividing plate 3 separates refrigerating chamber 1 and refrigerating chamber 2.The shared evaporimeter 30 of a refrigerating chamber 1 that crosses dividing plate 3 and refrigerating chamber 2 is installed on cold air path 200 tops of the cold air path 100 of refrigerating chamber 1 and refrigerating chamber 2.
Be respectively equipped with the cold gas exhausting outlet 101 and the cold air sucting inlet 103 that lead to refrigerating chamber 1 on the sidewall of the cold air path 100 of refrigerating chamber 1; Be respectively equipped with the cold gas exhausting outlet 201 that leads to refrigerating chamber 2 and the suction inlet 203 of cold air on the sidewall of the cold air path 200 of refrigerating chamber 2.
Be applicable to that generally frozen-irradiated evaporimeter is the sheet tubular evaporator, a plurality of fin of refrigerant process carry out heat exchange.But, because the cold air stream of the cold air stream of above-mentioned refrigerating chamber 1 and refrigerating chamber 2 is separated from each other, can not carry out heat exchange between the two, so present embodiment has adopted an evaporimeter 30 that crosses dividing plate 3.
Because the design temperature of refrigerating chamber 1 is lower than the design temperature of refrigerating chamber 2, so the fin quantity on the cold air path 100 of refrigerating chamber is more than the fin of refrigerating chamber cold air path 200.
Because the cold air path 100 of refrigerating chamber and the cold air path 200 of refrigerating chamber, be positioned at the top of refrigerating chamber 1 and refrigerating chamber 2 separately, need cold air be circulated by force with blowing fan, so, be separately installed with blowing fan 105 and 201 in the cold air path 100 of refrigerating chamber and the cold air path 200 of refrigerating chamber.Like this, the cold air of refrigerating chamber can flow into refrigerating chamber 1 by the cold gas exhausting outlet 101 of cold air inlet 103 through the front of evaporimeter 30 back.Refrigerating chamber cold air can flow into refrigerating chamber 1 by the cold gas exhausting outlet 201 of cold air inlet 203 through the front of evaporimeter 30 back.
Because the design temperature in the refrigerating chamber 1 should be lower than the design temperature in the refrigerating chamber 2, so, supply with the cold air of refrigerating chamber and the cold air of refrigerating chamber with an evaporimeter, should adjust evaporimeter 30 according to the design temperature of the two and stretch into heat exchange area in refrigerating chamber 1 and the refrigerating chamber 2.
The course of work of the independent refrigeration electric refrigerator of present embodiment is described below in conjunction with Fig. 5:
As shown in Figure 5, after the compressor starts work, form heat exchange on the evaporimeter 30, the blowing fan 105 of refrigerating chamber 1 and the blowing fan 205 of refrigerating chamber make the cold air forced circulation in the refrigerator.At this moment, the cold air that circulates in refrigerating chamber 1 repeats following cyclic process, and promptly cold air is by cold air sucting inlet 103, flow into the cold air path 100 of the refrigerating chamber on refrigerating chamber top, carry out heat exchange through evaporimeter 30, continue to be discharged to refrigerating chamber at last through cold gas exhausting outlet 101.
Circulate in the cold air of refrigerating chamber 2,, flow into the refrigerating chamber cold air path 200 on refrigerating chamber 2 tops by cold air sucting inlet 203, continue to carry out heat exchange through evaporimeter 30, like this, the cold air of heat exchange repeats above cyclic process, and promptly cold air is discharged to refrigerating chamber 2 by cold gas exhausting outlet 201.
In the cyclic process of cold air, the moisture in the refrigerator only can frosting on the evaporator section of refrigerating chamber.This is the cold air because of 200 li normal temperature that circulating of cold air path of refrigerating chamber, can be at evaporimeter frosting.
Therefore, the evaporator section frosting degree of refrigerating chamber than on the common refrigerator evaporimeter frosting degree obviously reduce, shorten defrosting duration of runs, can reduce to greatest extent because the rising of temperature in the refrigerator that the heating of heater brings.
Embodiment 2:
Shown in Fig. 3 b, the independent refrigeration electric refrigerator of present embodiment comprises 2 evaporimeters 31 and 32, and evaporimeter 31 and 32 is connected in series, and lays respectively in the cold air stream (B) of the cold air stream (A) of refrigerating chamber and refrigerating chamber.
Shown in Fig. 4 b, in the independent refrigeration electric refrigerator of present embodiment, two evaporimeters 31 that are connected in series and 32 are separately positioned on the top of the cold air path 100 and the refrigerating chamber cold air path 200 of refrigerating chamber, carry out heat exchange respectively in refrigerating chamber 1 and refrigerating chamber 2.The advantage of present embodiment is to prevent that the refrigeration of refrigerating chamber is excessive.
Other structure of present embodiment is identical with embodiment 1, repeats no more.
By the introduction of above-mentioned two embodiments, having the present technique field has the people of certain general knowledge to should be understood that every employing refrigerating chamber and refrigerating chamber independent refrigeration electric refrigerator, and no matter which kind of specific embodiment it adopts all belong to protection scope of the present invention.
The invention has the beneficial effects as follows:
1. refrigerating chamber and refrigerating chamber have the cold air stream that independently circulates, and can prevent from being contained in refrigerating chamber and refrigeration The food taint of odour of chamber.
2. in the air channel of refrigerating chamber and refrigerating chamber, be provided with independently blowing fan, increase the cold air wind of refrigerating chamber Amount, and then improve freezing capacity.
3. can reduce to greatest extent the frosting degree on the evaporimeter, shorten the duration of runs of defrosting, reduce electricity ice The rising of the temperature inside the box improves freezing capacity.
Claims (3)
1. independent refrigeration electric refrigerator, comprise: casing, refrigerating chamber, refrigerating chamber, compressor, condenser, expansion valve, blowing fan and evaporimeter, it is characterized in that: have independently the cold air stream (A) of refrigerating chamber (1) and the cold air stream (B) of refrigerating chamber (2), about be provided with dividing plate (3) between the refrigerating chamber (1) that is provided with and the refrigerating chamber (2); At the cold air path (100) of refrigerating chamber (1) and cold air path (200) top of refrigerating chamber (2) refrigerating chamber and a shared evaporimeter (30) of refrigerating chamber that crosses dividing plate (3) is installed.
2. independent refrigeration electric refrigerator according to claim 1 is characterized in that: be respectively equipped with the cold gas exhausting outlet (101) and the cold air sucting inlet (103) that lead to refrigerating chamber on the sidewall of the cold air path (100) of refrigerating chamber (1); Be respectively equipped with the cold gas exhausting outlet (201) that leads to refrigerating chamber and the suction inlet (203) of cold air on the sidewall of the cold air path (200) of refrigerating chamber (2).
3, independent refrigeration electric refrigerator according to claim 1 and 2 is characterized in that: be separately installed with blowing fan (105) and (205) of forcing circulating cold air below evaporimeter in the cold air path of the cold air path of refrigerating chamber and refrigerating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01139913 CN1236262C (en) | 2001-11-19 | 2001-11-19 | Independent refrigeration electric refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01139913 CN1236262C (en) | 2001-11-19 | 2001-11-19 | Independent refrigeration electric refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1420335A CN1420335A (en) | 2003-05-28 |
| CN1236262C true CN1236262C (en) | 2006-01-11 |
Family
ID=4675513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01139913 Expired - Fee Related CN1236262C (en) | 2001-11-19 | 2001-11-19 | Independent refrigeration electric refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1236262C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100661366B1 (en) * | 2004-11-05 | 2006-12-27 | 삼성전자주식회사 | Refrigerator |
| CN1779394B (en) * | 2004-11-18 | 2010-04-28 | 泰州乐金电子冷机有限公司 | Refrigerator and its operation controlling method |
| CN102589231A (en) * | 2012-02-23 | 2012-07-18 | 合肥美的荣事达电冰箱有限公司 | Refrigerator with single refrigerating system |
| CN103913030A (en) * | 2014-04-22 | 2014-07-09 | 合肥美的电冰箱有限公司 | Refrigerator |
| KR102601887B1 (en) * | 2019-02-18 | 2023-11-15 | 엘지전자 주식회사 | Plants cultivation apparatus |
-
2001
- 2001-11-19 CN CN 01139913 patent/CN1236262C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1420335A (en) | 2003-05-28 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU LG ELECTRONICS FREEZER CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS ( TIANJIN ) ELECTRICAL APPLIANCES CO., LTD. Effective date: 20091225 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091225 Address after: No. 2 Yingbin Road, Taizhou Economic Development Zone, Jiangsu Patentee after: Taizhou LG Electronics Refrigerator Co., Ltd. Address before: Beichen District, Tianjin Xing Lake Road Patentee before: Lejin Electronic and Electric Appliance Co., Ltd. (Tianjin) |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060111 Termination date: 20111119 |