CN2814276Y - Power-off fresh-keeping refrigerator - Google Patents
Power-off fresh-keeping refrigerator Download PDFInfo
- Publication number
- CN2814276Y CN2814276Y CN 200520057933 CN200520057933U CN2814276Y CN 2814276 Y CN2814276 Y CN 2814276Y CN 200520057933 CN200520057933 CN 200520057933 CN 200520057933 U CN200520057933 U CN 200520057933U CN 2814276 Y CN2814276 Y CN 2814276Y
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- cold
- refrigerator
- storage
- refrigerating chamber
- temperature
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Abstract
The utility model discloses a power-off fresh-keeping refrigerator which comprises an evaporator, a compressor, a temperature controller, a temperature sensing head and a cold accumulating device. The utility model is characterized in that a cold accumulating space is arranged in the refrigerating chamber, and the cold accumulating evaporator and the cold accumulating device are arranged in the cold accumulating space. The utility model can decelerate the uptrend of the temperature in the refrigerator at the time of the stop of the refrigerator and decrease the temperature difference in the refrigerator at the time of the stop and the start of the refrigerator, and the freshness of food can be kept. The utility model is particularly suitable for mechanical temperature control direct-cooling refrigerators.
Description
Technical field
The utility model relates to refrigeration plant, more particularly relates to a kind of refrigerator that can delay temperature of refrigerating chamber in refrigerator nature rise speed after power failure.
Background technology
Under the overall situation of national shortage of electric power, corresponding measure has all been taked for alleviating electricity consumption pressure in many areas, for example in some areas, at electricity consumption every day existing " peak of power consumption section ", " flat crest segment " and " low crest segment " section, carried out the policy of counting the electricity charge at times and guided electricity consumption, with the pressure of the peak of power consumption of releiving.In some areas, the problem of the temporary solution energy supply of method anxiety such as also carry out power cuts to limit consumption, use electricity in off-peak hours.At present, the refrigerator of selling on the market is just as a kind of common refrigerating plant, in the reply power cuts to limit consumption, use electricity in off-peak hours, also do not have measure to solve aspect the policy such as timesharing meter electricity, in case power failure bring following a lot of problem can for the use of refrigerator:
1. temperature recovery was too fast when refrigerator was shut down, and the temperature difference is bigger in the start-stop cabinet, and the food freshness is poor;
2. long-time the power failure causes the temperature inside the box to raise, and is unfavorable for the storage, fresh-keeping of food, even causes the corruption of food;
3. the operation period of refrigerator can not be controlled, and for the area of carrying out timesharing meter electricity, can not utilize that the electricity price of low electricity price period is preferential to reach economical purpose.
The refrigerator that has at present is provided with regenerator at refrigerating chamber, can prolong the refrigerating chamber fresh keeping time after the power failure, but does not have special device at refrigerating chamber, therefore can't thoroughly address the above problem.On March 6th, 2002 Chinese utility model patent disclosed, that notification number is CN2480786 disclose a kind of cold that can between refrigerating chamber and refrigerating chamber, carry out and regulated, thereby can prolong the compressor shutdown time, and can set the refrigerator of time-division operation refrigeration as required.Can set refrigerator shut down as far as possible according to the time-shared charge electrovalence policy of user location, in the start as far as possible of low electricity price time period in the high electricity price time period of every day.The disclosed technical scheme of this patent mainly is to establish the cold-storage material in refrigerating chamber, between refrigerating chamber and refrigerating chamber the air channel is arranged, and utilizes fan to provide cold from refrigerating chamber to refrigerating chamber; On the control method of compressor, can set long-time continuous start, long-time continuous is shut down, normally moved three kinds of states, by the user according to actual set.Though this scheme can solve the problem of timesharing meter electricity, have control circuit complexity, shortcoming that the refrigerator cost is high, and the operation of air channel fan has increased the energy consumption of refrigerator.
The utility model content
For solving the problems of the technologies described above, the utility model purpose provides a kind of freshness preserving refrigerator while power cut-off, after refrigerator is de-energized, can slow down the temperature inside the box, keeps the freshness of food.Carry out the area of timesharing meter electricity policy at home, can realize the controlled of refrigerator operation period by artificial outage, refrigerator was not moved in the high electricity price period, utilize the cold-storage device released cold quantity to keep the interior temperature of case, guaranteed the storage requirement of food, allowed the refrigerator operation concentrate on the low electricity price period period as far as possible and obtain the preferential of electricity price.
Solution of the above problems is such: a kind of freshness preserving refrigerator while power cut-off comprises evaporimeter, compressor, temperature controller and temperature-sensitive head, and regenerator is characterized in that, the cold-storage interval is set in refrigerating chamber, and described cold-storage is provided with cold-storage evaporimeter and regenerator in the interval.
Above-mentioned refrigerator, described temperature controller is provided with the power-off restoration switch.
Above-mentioned refrigerator, described cold-storage interval is at the refrigerating chamber top.
Above-mentioned refrigerator, at the top in described cold-storage interval or bottom or sidepiece be provided with cold-storage evaporimeter and regenerator.
Above-mentioned refrigerator, described cold-storage evaporimeter are band-tube type or threaded pipe type or inflation type evaporimeter.
Above-mentioned refrigerator, described cold-storage is provided with drip tray under the interval.
Above-mentioned refrigerator, refrigeration evaporator is established at the inner bag back of described refrigerating chamber.
Above-mentioned refrigerator, described refrigerating chamber is provided with regenerator.
Above-mentioned refrigerator, described temperature controller are the compound compression-type temperature controllers of defrost, and described power-off restoration switch is connected with main switch.
The utility model compared with prior art has the following advantages and beneficial effect:
Adopt cold-storage device and power-off restoration switch to realize the storage and the release of cold, the rise of the temperature inside the box reduces the temperature difference in the start-stop cabinet in the time of can slowing down the refrigerator shutdown, keeps the food freshness; For natural outage, the too high food spoilage that causes of the temperature inside the box of can avoiding having a power failure for a long time rise; Can realize artificial outage, allow the refrigerator part-time move, part-time does not move, only utilize the cold-storage device released cold quantity to keep the interior temperature of case, thereby reach the power saving purpose,, utilize the electricity price of low electricity price period preferential for the area of carrying out timesharing meter electricity, refrigerator is moved the period concentrate on the low electricity price period, save the electricity charge.
Description of drawings
Fig. 1 is a freshness preserving refrigerator while power cut-off structural representation of the present utility model;
Fig. 2 is a freshness preserving refrigerator while power cut-off temperature control circuit schematic diagram of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Referring to Fig. 1, a non-enclosed cold-storage interval 2 is set at the refrigerating chamber top of direct cooling refrigerator, and this interval can be used as the ice greenhouse or soft freezing chamber uses, and after refrigerator is de-energized, the cold that accumulate in the cold-storage interval can be kept refrigerating chamber and be in low-temperature condition, to keep the fresh of food.For reaching this purpose, the top in cold-storage interval 2 or bottom, sidepiece are established cold-storage evaporimeter 1.The form of cold-storage evaporimeter 1 can be band-tube type, threaded pipe type or inflation type, for example can adopt one to surround an evaporator chamber with four side plate tubular evaparators and be fixed on the inner container of icebox, around evaporimeter around the cold-storage interval, be close to dismountable regenerator 5, the fixed form of regenerator is unrestricted, but should guarantee the big contact area of trying one's best.The refrigerating chamber back can be provided with or not be provided with evaporimeter, and as evaporimeter is not set, then the regenerator evaporimeter is being undertaken simultaneously provides cold to refrigerating chamber and cold-storage interval.Back or also arrange several dismountable freezing regenerators 4 on every side in refrigerating chamber, after refrigerator was de-energized, freezing regenerator 4 delayed its temperature rise to the refrigerating chamber released cold quantity.Below the cold-storage interval, establish drip tray 3, the defrost water of cold-storage evaporimeter can not dropped on other interior food of refrigerating chamber.Refrigerator is in refrigeration; the heat that cold-storage evaporimeter 1 absorbs in the cold-storage interval; interval interior temperature is descended, and simultaneously, cold-storage evaporimeter 1 absorbs the heat of the cold-storage liquid of regenerator 5; cold-storage liquid becomes solid-state from liquid state; when refrigerator is shut down or during outage, cold-storage liquid discharges a large amount of phase transformation colds that store up from solid-state when becoming liquid state again, and regenerator 5 is with the mode and cold-storage interval 2 and refrigerating chamber heat exchange of free convection; make the interval and refrigerating chamber of cold-storage keep low temperature, avoid having a power failure and cause the problem of the interior food spoilage of case.Equally, the cold that freezing regenerator 4 temperature are also accumulated it to the refrigerating chamber released cold quantity, stops temperature rise in the mode of free convection, keeps the temperature in the case.
Referring to Fig. 2, the operation of freezer compressor 11 is by temperature controller 10 controls, temperature controller 10 of the present utility model can be selected the logical precious compound compression-type temperature controller of defrost in Foshan for use, compare with the compression-type temperature controller of ordinary straight cold refrigerator, the temperature controller that the utility model adopted is to increase to be provided with the power-off restoration switch 8 that can force to disconnect compressor loop on usual pressure formula temperature controller.Temperature controller 10 has three switches, specifically: strong guard's valve 7, power-off restoration switch 8 and main switch 9.Three switches are controlled the operation of compressor jointly, and strong guard's valve 7 need manually disconnect and close, and can make compressor out of service.Power-off restoration switch 8 manually disconnects, automatically resets.When hand push button 6 (see figure 1)s of pressing the power-off restoration switch; the compressor forced stoppage; treat that the temperature inside the box rises to the temperature controller temperature-sensitive head and senses temperature T a; power-off restoration switch 8 auto-closings reset; the operation of freezer compressor 11 at this moment is subjected to the control of strong guard's valve 7 and main switch 9, if strong guard's valve 7 is a conducting state, and then main switch 9 control compressors 11 operations; main switch 9 control compressor starts are out of service when reaching shutdown temperature when refrigerator reaches turn-on temperature.Usually, the reset temperature Ta position of power-off restoration switch 8 is higher than the turn-on temperature that main switch 9 is controlled, and when the frost layer of cold-storage evaporimeter is thicker, presses power-off restoration switch 8 and can carry out defrost.
Freshness preserving refrigerator while power cut-off of the present utility model is mainly used on the mechanical temperature-control ordinary straight cold refrigerator.Utilize the principle of cold-storage material freezing by change of state, after refrigerator has a power failure, slow down the temperature inside the box, keep the freshness of food; Realize artificial outage, temperature rise reset function by power-off restoration switch 8 simultaneously, in the area of carrying out timesharing meter electricity, can press the shift knob 6 of power-off restoration switch 8 in the high electricity price period, reduce the available machine time of this period as far as possible, refrigerator is moved the period concentrate on the low electricity price period, preferential to obtain electricity price, be particularly suitable for using electricity in off-peak hours or the area use of timesharing meter electricity.In prior art, need special design cycle air channel and on the computer refrigerators of different different controls of periods on the control program, comparing, it is directly simple that refrigerator of the present utility model has control, has tangible price advantage and power savings advantages.
Claims (9)
1. a freshness preserving refrigerator while power cut-off comprises evaporimeter, compressor, and temperature controller and temperature-sensitive head, and regenerator is characterized in that: the cold-storage interval is set in refrigerating chamber, and described cold-storage is provided with cold-storage evaporimeter and regenerator in the interval.
2. refrigerator according to claim 1 is characterized in that: described temperature controller is provided with the power-off restoration switch.
3. refrigerator according to claim 2 is characterized in that: described cold-storage interval is at the refrigerating chamber top.
4. refrigerator according to claim 3 is characterized in that: at the top in described cold-storage interval or bottom or sidepiece be provided with cold-storage evaporimeter and regenerator.
5. refrigerator according to claim 4 is characterized in that: described cold-storage evaporimeter is band-tube type or threaded pipe type or inflation type evaporimeter.
6. refrigerator according to claim 5 is characterized in that: described cold-storage is provided with drip tray under the interval.
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described refrigerators, it is characterized in that: refrigeration evaporator is established at the inner bag back of described refrigerating chamber.
8. according to claim 1 or 2 or 3 or 4 or 5 or 6 described refrigerators, it is characterized in that: described refrigerating chamber is provided with regenerator.
9. according to claim 1 or 2 or 3 or 4 or 5 or 6 described refrigerators, it is characterized in that: described temperature controller is the compound compression-type temperature controller of defrost, and described power-off restoration switch is connected with main switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520057933 CN2814276Y (en) | 2005-04-29 | 2005-04-29 | Power-off fresh-keeping refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520057933 CN2814276Y (en) | 2005-04-29 | 2005-04-29 | Power-off fresh-keeping refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2814276Y true CN2814276Y (en) | 2006-09-06 |
Family
ID=36949363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520057933 Expired - Lifetime CN2814276Y (en) | 2005-04-29 | 2005-04-29 | Power-off fresh-keeping refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2814276Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090631A (en) * | 2013-01-24 | 2013-05-08 | 六安索伊电器制造有限公司 | Stored energy type steady state 0 degree fresh-keeping refrigerator |
| CN108692518A (en) * | 2018-04-20 | 2018-10-23 | 中科美菱低温科技股份有限公司 | A kind of Refrigerator with ice lining control system |
-
2005
- 2005-04-29 CN CN 200520057933 patent/CN2814276Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103090631A (en) * | 2013-01-24 | 2013-05-08 | 六安索伊电器制造有限公司 | Stored energy type steady state 0 degree fresh-keeping refrigerator |
| CN108692518A (en) * | 2018-04-20 | 2018-10-23 | 中科美菱低温科技股份有限公司 | A kind of Refrigerator with ice lining control system |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150429 Granted publication date: 20060906 |