CN1779395B - Refrigerator - Google Patents
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- CN1779395B CN1779395B CN 200410072766 CN200410072766A CN1779395B CN 1779395 B CN1779395 B CN 1779395B CN 200410072766 CN200410072766 CN 200410072766 CN 200410072766 A CN200410072766 A CN 200410072766A CN 1779395 B CN1779395 B CN 1779395B
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- refrigerating chamber
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- chamber
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Abstract
A refrigerator consists of a chilling chamber and a refrigerating chamber on the walls of which having through holes for circulating the cold air; a refrigerating circulation built-up of a compressor,a condenser, an expansion gear and an evaporator for circulating the refrigerant mounted on one side of the said chilling chamber and refrigerating chamber; a cold air circulating channel firmed on the inner wall of the said chilling chamber and refrigerating chamber being in communication with the evaporator on the inner wall of the chilling chamber and the refrigerating chamber for leading thecold air around the said evaporator into the said chilling chamber or refrigerting chamber and a blower in the cold air circulating channel for blowing the cold air around the evaporator into the chilling chamber or the refrigerating chamber by controlling the air quantity of the chilling chamber or the refrigerating chamber.
Description
Technical field
The present invention relates to a kind of to refrigerating chamber and refrigerating chamber blowing cooling air so that under low-temperature condition, preserve the refrigerator (REFRIGERATOR) of food etc.Particularly remove load rapidly, thereby reduce the refrigerator that consumes electric power by the air quantity of regulating cold air.
Background technology
In general, refrigerator is divided into the top that refrigerating chamber and refrigerating chamber be each positioned at upper and lower sides and fixes (topmount) form, and refrigerating chamber and refrigerating chamber be positioned at the double door form of both sides side by side, and main recently exploitation has the refrigerator of the bigger double door form of refrigerating chamber capacity.
Fig. 1 and Fig. 2 demonstrate the simple isometric front view and the flat sectional drawing of the double-door refrigerator in the conventional art, and Fig. 3 demonstrates the chart of the compressor operation state that uses in the double-door refrigerator in the conventional art.
As shown in Figures 1 and 2, double-door refrigerator in the prior art, the inboard of refrigerator body 2 is provided with refrigerating chamber F and refrigerating chamber R by next door 4 both sides graduation, is formed with intercommunicating pore 4h on the above-mentioned next door 4, and can open and close in above-mentioned intercommunicating pore 4h damper (damper) is installed.The freeze cycle that can generate cold air is installed on the inwall of above-mentioned refrigerator body 2, and blowing fan 22 and motor (not shown) are installed, the cold air that generates around the evaporimeter in the above-mentioned freeze cycle 18 is blown into above-mentioned refrigerating chamber F and refrigerating chamber R side.
Here, above-mentioned freeze cycle is made of compressor reducer (not shown), condenser (not shown), capillary or electric expansion valve (not shown), evaporimeter 18.Said compressor is used capacity variable type compressor reducers such as anti-phase compressor reducer or linear compressor, thereby can change compression volume rapidly corresponding to load.All the other are general structure and omit its explanation.
Wherein, be built-in with above-mentioned evaporimeter 18 on the inwall of above-mentioned refrigerating chamber F, the installing space of above-mentioned evaporimeter 18 and above-mentioned refrigerating chamber and refrigerating chamber are formed with circulating cold air stream (not shown) with being connected.On the above-mentioned circulating cold air stream blowing fan 22 and motor are installed, drive by said fan 22, the cold air around the above-mentioned evaporimeter 18 circulates along above-mentioned refrigerating chamber F and refrigerating chamber R, and is recycled in the above-mentioned evaporimeter 18.
Thus, drive by said fan 22, the cold air around the above-mentioned evaporimeter 18 is blown into above-mentioned refrigerating chamber F and refrigerating chamber R.Wherein, most of cold air is blown into above-mentioned refrigerating chamber F, and all the other a part of cold air are blown into above-mentioned refrigerating chamber R, thus make refrigerating chamber F and refrigerating chamber R temperature each keep the low-temperature condition of-18 ℃ and 3 ℃.
Particularly, according to the driving of load regulation said compressor and damper 6, make said compressor can change compression volume, above-mentioned damper 6 then is used to open and close above-mentioned intercommunicating pore 4h, thereby can remove load rapidly.
At this moment, each reaches rapidly and sets cryogenic temperature Tf according to loading condition for the temperature T r of the temperature T f that makes above-mentioned refrigerating chamber and refrigerating chamber
0And setting refrigerated storage temperature Tr
0, the compression volume of said compressor and the operation of damper 6 are regulated.As shown in Figure 3, respectively reach setting cryogenic temperature Tf at the temperature T f of above-mentioned refrigerating chamber and the temperature T r of refrigerating chamber
0And setting refrigerated storage temperature Tr
0Before, make the voltage of importing in the said compressor become big, thereby make the compression volume of said compressor keep bigger.Thus, compression volume stool more generates the more cold air of low temperature, and most of cold air will supply to above-mentioned refrigerating chamber F side, and part cold air then supplies to above-mentioned refrigerating chamber R side.
Meanwhile, above-mentioned damper 6 is held open state, the cold air of above-mentioned refrigerating chamber F side is flow among the above-mentioned refrigerating chamber R, thereby remove the load among above-mentioned refrigerating chamber F and the refrigerating chamber R rapidly.
Wherein, because above-mentioned setting refrigerated storage temperature Tr
0Be higher than above-mentioned setting cryogenic temperature Tf
0, making when cold air supplies among above-mentioned refrigerating chamber F and the refrigerating chamber R simultaneously, the temperature T r of above-mentioned refrigerating chamber reaches sooner and sets refrigerated storage temperature Tr
0For reaching rapidly, the temperature T f that makes above-mentioned refrigerating chamber sets cryogenic temperature Tf
0, will make the voltage decreases of importing in the said compressor, thereby make the compression volume of said compressor keep less, close above-mentioned damper 6 simultaneously, the cold air of low temperature is only circulated in above-mentioned refrigerating chamber F.
Certainly, even if at first reaching, the temperature T f of above-mentioned refrigerating chamber sets cryogenic temperature Tf
0, the temperature T r of above-mentioned refrigerating chamber does not then reach and sets refrigerated storage temperature Tr
0Situation under, equally the compression volume with said compressor keeps less, opens above-mentioned damper 6 simultaneously, the cold air of low temperature is circulated in refrigerating chamber F after, be circulated in then among the above-mentioned refrigerating chamber R.
But, in the refrigerator of as above structure, change the capacity of compressor reducer according to load variations, simultaneously the operation of damper 6 is regulated and removed load rapidly, and the change of compressor operation condition will cause bigger power loss.
Summary of the invention
In order to solve the problem in the above-mentioned conventional art, the object of the present invention is to provide a kind of refrigerator, even if load is changed, the operating condition of compressor reducer will keep identical and regulate the air quantity of cold air, when can remove air quantity rapidly, reduce the loss of electric power.
In order to address the above problem, refrigerator among the present invention, it includes refrigerating chamber and refrigerating chamber, freeze cycle, circulating cold air stream and air-supply arrangement, for making the cold air mutual circulation, be formed with intercommunicating pore on the next door between refrigerating chamber and the refrigerating chamber, freeze cycle is installed on a side of refrigerating chamber and refrigerating chamber, compressor reducer by the refrigerant circulation, condenser, expansion gear, evaporimeter constitutes, the circulating cold air stream is formed at the inwall of refrigerating chamber and refrigerating chamber, and be interconnected with evaporimeter that refrigerating chamber or freezer wall are installed, make evaporimeter cold air on every side be directed to refrigerating chamber or refrigerating chamber, air-supply arrangement is installed on the circulating cold air stream, even if load changes, the air quantity by regulating refrigerating chamber respectively and the air quantity of refrigerating chamber, cold air around the evaporimeter is blown into refrigerating chamber and refrigerating chamber, thereby make the temperature of refrigerating chamber and the temperature of refrigerating chamber reach the setting cryogenic temperature of pre-input simultaneously and set refrigerated storage temperature, even if load changes, it is certain that the compression volume of this compressor reducer keeps, for the cold air that makes refrigerating chamber and refrigerating chamber circulates mutually, the intercommunicating pore that forms on the next door keeps open state.
Refrigerator in the present invention of as above structure, for making cold air around the evaporimeter be blown into refrigerating chamber in addition and refrigerating chamber is provided with air-supply arrangement, even if make the load of refrigerating chamber and the load of refrigerating chamber change, under the identical condition of the condition of work maintenance of compressor reducer, by regulating the air quantity of the cold air that respectively is blown into refrigerating chamber and refrigerating chamber, remove the load of refrigerating chamber and the load of refrigerating chamber, and reduce the power loss of compressor reducer simultaneously, thereby improve the efficient of whole refrigerator.
Description of drawings
Fig. 1 and Fig. 2 are the simple isometric front view and the flat sectional drawing of the double-door refrigerator in the conventional art.
Fig. 3 is the chart of the compressor operation state that uses in the double-door refrigerator in the conventional art.
Fig. 4 and Fig. 5 are simple isometric front view and the flat sectional drawing of double-door refrigerator the 1st embodiment among the present invention.
Fig. 6 and Fig. 7 are simple isometric front view and the flat sectional drawing of double-door refrigerator the 2nd embodiment among the present invention.
Fig. 8 demonstrates the chart of the compressor operation state that uses in the double-door refrigerator among the present invention.
The critical piece description of reference numerals
52: refrigerator body 54: next door
54h: intercommunicating pore 68: evaporimeter
72: refrigerating chamber fan 74: the refrigerating chamber fan
The specific embodiment
Describe the embodiment among the present invention with reference to the accompanying drawings in detail.
Fig. 4 and Fig. 5 demonstrate simple isometric front view and the flat sectional drawing of double-door refrigerator the 1st embodiment among the present invention.
As Fig. 4 and shown in Figure 5, the 1st embodiment of double-door refrigerator in the present invention, the inside of the refrigerator body 52 of open at its front by next door 54 side by side graduation refrigerating chamber F and refrigerating chamber R are arranged, the inwall of above-mentioned refrigerating chamber F is equipped with the evaporimeter 68 that is used to generate cold air.What be interconnected between the installing space of above-mentioned evaporimeter 68 and above-mentioned refrigerating chamber F and the refrigerating chamber R is formed with circulating cold air stream (not shown), simultaneously, be separately installed with refrigerating chamber fan 72 and motor (not shown) and refrigerating chamber fan 74 and motor (not shown) on the above-mentioned circulating cold air stream, be used for regulating in addition the air quantity of the cold air that is blown into above-mentioned refrigerating chamber F and refrigerating chamber R.
Wherein, above-mentioned evaporimeter 68 connects compressor reducer (not shown), condenser (not shown), capillary or electric expansion valve (not shown) etc., makes it constitute the refrigerant circulation, and the freeze cycle of carrying out refrigeration.
At this moment, said compressor can be used the capacity variable type compressor reducer that changes the refrigerant compression volume according to load, even if or load change and the certain constant speed type compressor reducer of refrigerant compression volume, and regulate by the control part (not shown) of the whole refrigerator operation of control.
In addition, above-mentioned evaporimeter 68 divided refrigerating chamber lateral areas territory 68a and refrigerating chamber lateral areas territory 68b in 70 minutes into by the graduation wall, and above-mentioned refrigerating chamber lateral areas territory 68a compares the preferably bigger formation of above-mentioned refrigerating chamber lateral areas territory 68b, made more cool-air feed in above-mentioned refrigerating chamber F.
Secondly, installing space and above-mentioned refrigerating chamber F and the refrigerating chamber R of above-mentioned circulating cold air stream by above-mentioned evaporimeter 68 is connected to form in addition, and the installing space of above-mentioned evaporimeter 68 can carry out graduation by above-mentioned graduation wall 70.
Certainly, above-mentioned evaporimeter 68 also can be made of a zone, constitutes the stream that independently circulates in addition and have only above-mentioned circulating cold air stream to be communicated with above-mentioned refrigerating chamber F and refrigerating chamber R.
And, in above-mentioned circulating cold air stream, and on the stream that refrigerating chamber F is communicated with above-mentioned refrigerating chamber fan 72 and motor are installed; In above-mentioned circulating cold air stream, and on the stream that refrigerating chamber R is communicated with above-mentioned refrigerating chamber fan 74 and motor are installed.Be preferably formed as intercommunicating pore 54h on the above-mentioned next door 54, made when above-mentioned refrigerating chamber fan 72 and 74 drivings of refrigerating chamber fan, mutual circulation has cold air between above-mentioned refrigerating chamber F and the refrigerating chamber R.
Here, above-mentioned refrigerating chamber fan 72 cans be compared to above-mentioned refrigerating chamber fan 74 bigger formation most, makes the air quantity that is blown into the cold air among the above-mentioned refrigerating chamber F more more than the air quantity that is blown into the cold air among the above-mentioned refrigerating chamber R.Above-mentioned refrigerating chamber fan F and refrigerating chamber fan R can use a class fan, but preferably use the relatively large sirocco fan of air output, and above-mentioned motor also preferably uses the BLDC motor that greater efficiency is arranged.
At this moment, above-mentioned refrigerating chamber fan 72 and refrigerating chamber fan 74 are regulated by motor separately and are driven, and each motor is then controlled by above-mentioned control part.Specifically, the all temps sensor (not shown) that is installed among above-mentioned refrigerating chamber F and the refrigerating chamber R detects above-mentioned freezer temperature Tf and temperature of refrigerating chamber Tr, when input in the above-mentioned control part had the temperature signal of said temperature sensor, above-mentioned control part was with the setting cryogenic temperature Tf of said temperature signal with pre-input
0And setting refrigerated storage temperature Tr
0Compare, and regulate the driving of above-mentioned refrigerating chamber fan 72 and refrigerating chamber fan 74 according to its comparative result.
Specifically, even if since above-mentioned freezer temperature Tf and temperature of refrigerating chamber Tr each with set cryogenic temperature Tf
0And setting refrigerated storage temperature Tr
0Error and produce refrigerating chamber load and refrigerating chamber load in addition, above-mentioned control part keeps the compression volume of said compressor constant, and regulate the driving of above-mentioned refrigerating chamber fan 72 and refrigerating chamber fan 74. as an example, when making the certain rotary speed of above-mentioned refrigerating chamber fan 72 maintenances, to change the rotary speed of above-mentioned refrigerating chamber fan 74, and remove the load of refrigerating chamber and the load of refrigerating chamber simultaneously.
Wherein, when the above-mentioned refrigerating chamber load of above-mentioned refrigerating chamber duty factor was relatively large, above-mentioned control part rotated the above-mentioned relatively refrigerating chamber fan 72 of above-mentioned refrigerating chamber fan 74 more slowly, thereby made the air quantity of refrigerating chamber F bigger than the air quantity of refrigerating chamber R; When the above-mentioned refrigerating chamber load of above-mentioned refrigerating chamber duty factor was relatively large, above-mentioned control part comparatively fast rotated the above-mentioned relatively refrigerating chamber fan 72 of above-mentioned refrigerating chamber fan 74, thereby made the air quantity of refrigerating chamber F bigger than the air quantity of refrigerating chamber R.Simultaneously, consider the air output of above-mentioned refrigerating chamber fan 72 and refrigerating chamber fan 74 and regulate its rotary speed of change.
Certainly, because above-mentioned intercommunicating pore 54h becomes open state, the cool-air feed that makes above-mentioned refrigerating chamber F is in above-mentioned refrigerating chamber R, or the cool-air feed of above-mentioned refrigerating chamber R is in above-mentioned refrigerating chamber F.
Fig. 6 and Fig. 7 demonstrate simple isometric front view and the flat sectional drawing of double-door refrigerator the 2nd embodiment among the present invention.
As Figure 6 and Figure 7, the 2nd embodiment of the double-door refrigerator among the present invention has identical structure with above-mentioned the 1st embodiment, above-mentioned evaporimeter 68 is across the inwall of the inwall of above-mentioned refrigerating chamber F and refrigerating chamber R and installs, and makes it divide refrigerating chamber lateral areas territory 68a and refrigerating chamber lateral areas territory 68b in 54 minutes into by above-mentioned next door.Be separately installed with above-mentioned refrigerating chamber fan 72 and refrigerating chamber fan 74 on the above-mentioned circulating cold air stream, thereby can regulate the air quantity of refrigerating chamber and the air quantity of refrigerating chamber in addition.
At this moment, in above-mentioned evaporimeter 68, above-mentioned refrigerating chamber lateral areas territory 68a preferably compares the bigger formation of above-mentioned refrigerating chamber lateral areas territory 68b, makes more cool-air feed in above-mentioned refrigerating chamber F.
Thus, in above-mentioned the 2nd embodiment, when above-mentioned control part makes the compression volume of said compressor keep certain, consider above-mentioned refrigerating chamber load and refrigerating chamber load and regulate the driving of above-mentioned refrigerating chamber fan 72 and refrigerating chamber fan 74, thereby regulate the air quantity of refrigerating chamber and the air quantity of refrigerating chamber, and remove the load of above-mentioned refrigerating chamber and the load of refrigerating chamber simultaneously.
Certainly, be formed with intercommunicating pore 54h on the above-mentioned next door 54, making circulates between above-mentioned refrigerating chamber F and the refrigerating chamber R cold air.
Fig. 8 demonstrates the chart of the compressor operation state that uses in the double-door refrigerator among the present invention.
As shown in Figure 8, in the double-door refrigerator of as above structure, when the load of load with refrigerating chamber F and refrigerating chamber R,, the temperature T r of the temperature T f that makes refrigerating chamber and refrigerating chamber sets cryogenic temperature Tf for reaching
0And setting refrigerated storage temperature Tr
0When the control compressor reducer keeps set compression volume, regulate the driving of above-mentioned refrigerating chamber fan 72 and refrigerating chamber 74 fans, the air quantity of the cold air that blows among the air quantity of the cold air that blows among the above-mentioned refrigerating chamber F and the above-mentioned refrigerating chamber R is had nothing in common with each other, thereby remove the load of refrigerating chamber and the load of refrigerating chamber simultaneously.
At this moment, above-mentioned control part keeps certain with the voltage of importing in the said compressor, said compressor is driven under identical condition of work, thereby under the condition of the compression volume that does not change said compressor, only the driving of above-mentioned freezing fan 72 or refrigerating chamber fan 74 is regulated.
Usually, control the efficient of whole refrigerator according to the efficient of compressor reducer, as shown in Figure 3, the refrigerator in the conventional art is owing to the condition of work of compressor reducer changes the electric power that consumes W1; As shown in Figure 8, the refrigerator among the present invention because the condition of work of compressor reducer is certain the electric power of the W2 that consumption rate W1 is less.Hence one can see that, and the efficient of the refrigerator among the present invention is higher than the efficient of the refrigerator in the conventional art.
As above with reference to embodiment among the present invention and accompanying drawing, the double-door refrigerator that is positioned at both sides and independent cooling refrigerating chamber and refrigerating chamber at refrigerating chamber and refrigerating chamber side by side is that example is elaborated.But interest field of the present invention is not confined to aforesaid embodiment and accompanying drawing, but is limited by the content of putting down in writing in claims described later.
Claims (2)
1. a refrigerator comprises refrigerating chamber and refrigerating chamber, freeze cycle, circulating cold air stream and air-supply arrangement,
Refrigerating chamber and refrigerating chamber are formed with intercommunicating pore for making the cold air mutual circulation on the next door between refrigerating chamber and the refrigerating chamber,
Freeze cycle is installed on a side of refrigerating chamber and refrigerating chamber, constitutes by the compressor reducer, condenser, expansion gear, the evaporimeter that are used for the refrigerant circulation,
The circulating cold air stream is formed at the inwall of refrigerating chamber and refrigerating chamber, and is interconnected with evaporimeter that refrigerating chamber or freezer wall are installed, makes the cold air around the evaporimeter be directed to refrigerating chamber or refrigerating chamber,
Air-supply arrangement is installed on the circulating cold air stream, even if load changes, respectively by the air quantity of adjusting refrigerating chamber and the air quantity of refrigerating chamber, cold air around the evaporimeter is blown into refrigerating chamber and refrigerating chamber, thereby make the temperature of refrigerating chamber and the temperature of refrigerating chamber reach the setting cryogenic temperature of pre-input simultaneously and set refrigerated storage temperature, it is characterized in that:
Even if load changes, it is certain that the compression volume of said compressor keeps; For the cold air that makes above-mentioned refrigerating chamber and refrigerating chamber circulates mutually, above-mentioned next door (54) are gone up the intercommunicating pore (54h) that forms and are kept open state.
2. refrigerator according to claim 1 is characterized in that:
Above-mentioned air-supply arrangement includes refrigerating chamber fan (72), refrigerating chamber fan (74) and motor, above-mentioned refrigerating chamber fan (72) and motor are installed on the circulating cold air stream that is communicated with refrigerating chamber, when changing, the load of refrigerating chamber side regulates the air quantity of refrigerating chamber, above-mentioned refrigerating chamber fan (74) and motor are installed on the circulating cold air stream that is communicated with refrigerating chamber, regulate the air quantity of refrigerating chamber when the load of refrigerating chamber side changes, refrigerating chamber fan (72) is bigger than refrigerating chamber fan (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072766 CN1779395B (en) | 2004-11-18 | 2004-11-18 | Refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072766 CN1779395B (en) | 2004-11-18 | 2004-11-18 | Refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1779395A CN1779395A (en) | 2006-05-31 |
| CN1779395B true CN1779395B (en) | 2010-05-05 |
Family
ID=36769806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410072766 Expired - Fee Related CN1779395B (en) | 2004-11-18 | 2004-11-18 | Refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1779395B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| SG11201609295YA (en) * | 2014-05-28 | 2016-12-29 | Mitsubishi Electric Corp | Refrigerator |
| CN106610170B (en) * | 2015-10-22 | 2020-04-28 | 青岛海尔智能技术研发有限公司 | Air-cooled refrigerator and control method thereof |
| CN109724355B (en) * | 2017-10-30 | 2020-11-20 | 合肥华凌股份有限公司 | Single-system air direct-cooling refrigerator and temperature control method and device thereof |
| CN109990528A (en) * | 2017-12-29 | 2019-07-09 | 松下电器研究开发(苏州)有限公司 | Refrigerator |
| CN110345698B (en) * | 2018-04-02 | 2021-02-26 | 合肥美的电冰箱有限公司 | Control method and device for refrigerating fan of refrigerator and refrigerator |
| CN114279162B (en) * | 2021-12-28 | 2023-02-28 | 珠海格力电器股份有限公司 | Control method and device of air-cooled refrigerator and refrigerator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085650A (en) * | 1992-10-09 | 1994-04-20 | 大宇电子株式会社 | Refrigerator |
| US5355686A (en) * | 1993-08-11 | 1994-10-18 | Micro Weiss Electronics, Inc. | Dual temperature control of refrigerator-freezer |
| CN1420333A (en) * | 2001-11-19 | 2003-05-28 | 乐金电子(天津)电器有限公司 | Independent refrigeration electric refrigerator |
-
2004
- 2004-11-18 CN CN 200410072766 patent/CN1779395B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085650A (en) * | 1992-10-09 | 1994-04-20 | 大宇电子株式会社 | Refrigerator |
| US5355686A (en) * | 1993-08-11 | 1994-10-18 | Micro Weiss Electronics, Inc. | Dual temperature control of refrigerator-freezer |
| CN1420333A (en) * | 2001-11-19 | 2003-05-28 | 乐金电子(天津)电器有限公司 | Independent refrigeration electric refrigerator |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平11-304332A 1999.11.05 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1779395A (en) | 2006-05-31 |
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Granted publication date: 20100505 Termination date: 20101118 |