CN1228599C - Refrigerator defrosting controlling method - Google Patents
Refrigerator defrosting controlling method Download PDFInfo
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- CN1228599C CN1228599C CN 02100535 CN02100535A CN1228599C CN 1228599 C CN1228599 C CN 1228599C CN 02100535 CN02100535 CN 02100535 CN 02100535 A CN02100535 A CN 02100535A CN 1228599 C CN1228599 C CN 1228599C
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Abstract
The present invention belongs to a refrigerator defrosting control method. The refrigerator defrosting is completed by three steps, wherein in the first step: a temperature perception sensor switches on an initial power supply into a box body after detecting the temperature in the box body; in the second step, the state of a refrigerator is judged after the initial power supply is switched on; in the third step, the defrosting operation is adjusted and controlled according to a judgment result. The refrigerator defrosting control method has the following effects that when the power supply of the refrigerator is switched on, the temperature of the refrigerator is detected by the temperature perception sensor in order to judge that the power supply is switched on after power failure happens instantly or the power supply is switched on after the power failure happens for a long time; thereby, the defrosting period and the defrosting time are adjusted and controlled according to the judgment result, which reduces energy sources consumed by the unnecessary defrosting operation and prevents a weak-cold phenomenon caused by the unnecessary defrosting operation of the refrigerator.
Description
Technical field
The present invention relates to the control method of a kind of refrigerator field defroster, particularly relate to a kind of defrosting control method of the refrigerator that cuts down the consumption of energy of can economizing on electricity.
Background technology
At present, household electrical appliance such as electric cooker, air-conditioning, refrigerator are used gradually widely by consumers in general, and the consumer constantly proposes higher requirement to the energy use efficiency of used household appliances and the performance of product.Adopted the conversion type of drive on the household electrical appliance such as existing electric cooker, air-conditioning, refrigerator, with the service efficiency of the raising energy and the performance of product.
The raising of energy use efficiency should be from the tiny part of product.If when not using, the power input plug of product is pulled out from socket, perhaps regulate product and stop unnecessary action, reduce the consumption of electric energy.
Be example with the refrigerator below, unnecessary power consumption is described.
Refrigerator turns round by the freeze cycle of formations such as compressor, evaporimeter, condenser, to the inner supply of refrigerator body cold air.Make after refrigerator temperature acquires a certain degree, drive defrost cycle and remove the frost that produces by evaporimeter.
That is to say that refrigerator produces cold air by the driving of freeze cycle, makes refrigerator can successfully carry out heat exchange by the driving that circulates.
Fig. 1 is the defroster control flow chart of prior art.
In the refrigerator of prior art, connect primary power (the 100th stage) when refrigerator, comprise that the freeze cycle of compressor drives according to special time, to the inner supply of refrigerator body cold air till temperature reaches design temperature in casing.Above-mentioned freeze cycle drives, and when temperature reached design temperature in the casing, above-mentioned freeze cycle stopped to drive.
In order to grasp total driving time of above-mentioned freeze cycle, total driving time (the 102nd stage) of accumulative total compressor.
Total driving time up to compressor reaches specific first fixed time (about 4 hours), and above-mentioned refrigerator is connected power supply since the initial stage and carried out the running (the 103rd stage) of freeze cycle always.
In above-mentioned (the 103rd stage), reach specific first fixed time (about 4 hours) from total driving time of compressor after, running (the 106th stage) defrosts after refrigerator is connected power supply from the initial stage for the first time.
The defrosting running in above-mentioned (the 106th stage) is that the basis is controlled with the temperature by defrosting detection naturally.That is to say that during operation defrosting running, till the defrosting temperature reached design temperature, running continued to defrost.
When above-mentioned defrosting temperature reaches design temperature, rerun freeze cycle by compressor operation.At this moment, the duration of runs of compressor is also by accumulative total (the 109th stage).
At the driving time accumulative total process of the compressor in above-mentioned (the 109th stage) continuous service till aggregate-value reaches specific second fixed time (about 7 hours).That is to say that after defrost cycle stopped, the driving time aggregate-value of compressor reached till specific second fixed time (about 7 hours), above-mentioned refrigerator continuous service freeze cycle.(the 112nd stage).
If have a power failure (the 115th stage) in above-mentioned (the 109th stage) and (112 stage) freeze cycle operation process, the native system of carrying out defrosting running control resets to original state again.
That is to say, the refrigerator of prior art only think to execute the situation of connecting primary power be that primary power drops into pattern the inside of oriented refrigerator, re-execute as shown in Figure 1 (the 100th stage).
So, if again when refrigerator applies power supply, no matter be energising again behind the instantaneous power failure that in the refrigerator operation process, produces, still connect for the first time power supply behind the product turnout, all move according to as shown in Figure 1 control circuit.
Shortcoming to above-mentioned prior art refrigerator describes below.
At first, after refrigerator was finished the nature defrosting, when the phenomenon of instantaneous power failure took place, system thought that present mode is that power supply initially drops into pattern.So when duration of runs of compressor during through first fixed time, running again defrosts.That is to say that will defrost on the whole from the service cycle of refrigerator shortens service cycle.This unnecessary defrosting running has caused the waste of electric power, ultimately, has reduced the energy use efficiency of product.
The second, after refrigerator was finished the nature defrosting, when the phenomenon of instantaneous power failure took place, system thought that present mode is that power supply initially drops into pattern.So when duration of runs of compressor during through first fixed time, running again defrosts.That is to say that will defrost on the whole from the service cycle of refrigerator shortens service cycle.The running that defrosts repeatedly causes keeping to be risen at the food temperature of box house, reduced the function that refrigerator is kept freshness.
This shows that above-mentioned existing defroster mode still has many defectives, and the assistant officer waits to be improved.
Because the defective that above-mentioned existing defroster mode exists, the design people is based on being engaged in this type of product design manufacturing for many years, amassing has abundant practical experience and professional knowledge, actively studied innovation, through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the defective that existing defroster mode exists, and provide a kind of defrosting control method of new refrigerator, it is worked as when in the refrigerator operation process instantaneous power failure taking place, regulate the service cycle of defrosting, the consumption that reduces the energy also prevents to reduce the function that refrigerator is kept freshness.
The present invention solves its technical problem underlying and realizes by the following technical solutions.
A kind of defrosting control method of refrigerator is characterized in that: the phase I: detect the interior temperature of casing and connect primary power to box house; Second stage: after connecting primary power, detect temperature in the refrigerator, judge whether the state of current refrigerator is to reclose power supply behind the instantaneous power failure according to the temperature detecting sensor; Phase III: according to above-mentioned judged result adjustment control defrosting running; In the adjusting control of defrosting running, if being under the state that shuts down for a long time, refrigerator recloses power supply, defrost according to normal natural defrost process; If when reclosing power supply behind the instantaneous power failure, defrosting time is adjusted to than just often short.
The defrosting control method of aforesaid refrigerator, the current state of wherein judging refrigerator are to be that the basis is judged according to temperature in the casing.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, the defrosting control method of refrigerator of the present invention can bring following effect.When refrigerator is connected power supply, detect temperature in the refrigerator by the temperature detecting sensor, judge and reclose power supply behind the instantaneous power failure or power supply is connected in the long-time back that has a power failure.Suitably regulate cycle and the time that control defrosts according to the result who judges, reduce the consumption of the energy, and prevented the weak cold phenomenon of refrigerator.
In sum, the present invention really belongs to innovation on the kenel of space, and has the multinomial effect of enhancement than existing product, and method is simple, is suitable for practicality, has the extensive value of industry.It is in limited field, technical development space, no matter structurally or bigger improvement all arranged on the function, and have large improvement technically, and produced handy and practical effect, and has the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction partly of technical solution of the present invention feature, for making the professional and technical personnel can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is a current refrigerator defrosting control flow chart.
Fig. 2 is the structured flowchart of refrigerator economize on electricity defrosting control of the present invention.
Fig. 3 is the flow chart of refrigerator economize on electricity defrosting control method of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
10. compressor 15. temperature detecting sensors
20. control part 25. Defrost heaters
30. defrosting sensor 35. power supplys
See also shown in Figure 2ly, when reclosing power supply after the refrigerator outage, it is to stop to drive the power supply that the back refrigerator is connected for a long time that defrosting operating control system of the present invention can be judged, still moment or the short time power supply of back refrigerator connection that has a power failure.
Defrosting operating control system of the present invention includes power supply 35 and control part 20.Power supply 35 provides required different voltages to the inside of refrigerator input ac power to refrigerator inside, and the control part 20 of control refrigerator running carries out work by the power supply that power supply 35 provides.
Defrosting operating control system of the present invention also comprises defrosting sensor 30 and internal temperature of refrigerator detecting sensor 15.The defrosting time of defrosting operating control system control refrigerator, defrosting sensor 30 detects the defrosting temperature; In order to control the cold air supply to refrigerator inside, internal temperature of refrigerator detecting sensor 15 detects the temperature of refrigerator inside.Above-mentioned defrosting sensor 30 detected temperature and above-mentioned internal temperature of refrigerator detecting sensor 15 detected temperature are input in the above-mentioned control part 20.
In addition, the defrosting operating control system also comprises compressor 10 and Defrost heater 25.Compressor 10 produces the medium of HTHP, makes and produces cold air in the refrigerator.Defrost heater 25 running that under the control of control part 20, defrosts.
Control procedure to the economize on electricity defrosting running of refrigerator of the present invention with said structure is elaborated below.
Fig. 3 is a refrigerator economize on electricity defrosting control method flow chart of the present invention.
In refrigerator economize on electricity defrosting control procedure of the present invention, when refrigerator is connected primary power (the 200th stage), the freeze cycle that comprises compressor 10 drives according to special time, and to the inner supply of refrigerator body cold air, temperature reaches till the design temperature in casing.Above-mentioned freeze cycle drives, and when temperature reached design temperature in the casing, above-mentioned freeze cycle stopped to drive.
In order to grasp total driving time of above-mentioned freeze cycle, total driving time (the 202nd stage) of control part 20 accumulative total compressors 10.
Total driving time up to above-mentioned compressor 10 reaches specific first fixed time (about 4 hours), and refrigerator is connected power supply since the initial stage and carried out the running (the 203rd stage) of freeze cycle always.
By above-mentioned (the 203rd stage), after total driving time of compressor 10 reached specific first fixed time (about 4 hours), control part 20 read detected box house temperature (the 206th stage) when reclosing power supply.That is to say that the box house temperature that above-mentioned (the 206th stage) discerned is meant the temperature that stored after (the 200th stage), internal temperature of refrigerator detecting sensor 15 detected when reclosing power supply.
Above-mentioned control part 20 compares (the 209th stage) with (the 206th stage) box house temperature that is read and the fiducial temperature that configures.Effect of the fiducial temperature of using in above-mentioned (the 209th stage) that configures is: in (the 200th stage) when applying power supply again, judge power supply of connecting or the power supply of connecting from the long-time back out of service of refrigerator behind instantaneous power failure.
If when the comparative result box house temperature that draws in above-mentioned (the 209th stage) is lower than design temperature, mean that temperature is low in the refrigerator, refrigerator is just on-stream.That is to say, be the situation that recloses power supply behind the instantaneous power failure.So meaning after working time at the accumulative total compressor in (the 203rd stage) is through first fixed time, this situation need not to carry out the nature defrosting.As shown in the figure, starting Defrost heater 25 according to (the 212nd stage) in this case generates heat according to special time (4 minutes) and carries out defrosting work.
But, if when the comparative result box house temperature that draws is higher than design temperature, meaning temperature height in the refrigerator in above-mentioned (the 209th stage), refrigerator is in and has stopped running for a long time.So meaning after working time at the accumulative total compressor in (the 203rd stage) is through first fixed time, this situation needs to carry out the nature defrosting.That is to say, be in primary power and drop into the identical state of pattern.As shown in the figure, in this case according to (the 215th rank) section operation nature defrost process.
Above-mentioned defrosting naturally is: up to by defrosting sensor detected defrosting temperature than design temperature height till the process that defrosts of driving by Defrost heater 25.
Finish after the control that defrosting is turned round by said process, again in running by operation freeze cycle under the control of control part 20.At this moment, the duration of runs of compressor 10 is by accumulative total (the 218th stage).
The accumulative total process of the compressor operating time in above-mentioned (the 218th stage) is extended to and reaches till second fixed time (about 7 hours).That is to say that after defrost cycle ended, the driving time aggregate-value of compressor reached till specific second fixed time (about 7 hours), above-mentioned refrigerator continuous service freeze cycle.(the 221st stage).
If have a power failure (the 224th stage) in above-mentioned (the 218th stage) and (the 221st stage) freeze cycle operation process, the native system of carrying out defrosting running control resets to original state again, moves said process repeatedly.
The feature of maximum of the present invention is: be to start for the first time after the shipment or power supply that the state that shuts down is for a long time connected down by the state of judging current refrigerator at first, or the power supply that recloses behind the instantaneous power failure, carry out suitable defrosting control according to the state of judging.
When reclosing power supply after the power supply of connecting by above-mentioned power supply 35 is cut off, control part 20 of the present invention stores by the internal temperature that internal temperature of refrigerator detecting sensor 15 detects refrigerator.Then, in (the 203rd stage), till the freeze cycle of passing through driven compressor is through first fixed time, converting defrosting running (the 209th stage) to.When converting defrosting running (the 209th stage) to, judge by the temperature in the above-mentioned refrigerator and instantaneous power failure to have taken place or applied the situation of power supply to the refrigerator of newly buying, regulate control suitable defrosting cycle and time according to above-mentioned judged result.
Satisfied under the situation of operating condition of freeze cycle in above-mentioned (the 221st stage) process of carrying out the nature defrosting when (the 227th stage).
Claims (2)
1, a kind of defrosting control method of refrigerator is characterized in that:
Phase I: detect the interior temperature of casing and connect primary power to box house;
Second stage: after connecting primary power, detect temperature in the refrigerator, judge whether the state of current refrigerator is to reclose power supply behind the instantaneous power failure according to the temperature detecting sensor;
Phase III: according to above-mentioned judged result adjustment control defrosting running;
In the adjusting control of defrosting running, if being under the state that shuts down for a long time, refrigerator recloses power supply, defrost according to normal natural defrost process; If when reclosing power supply behind the instantaneous power failure, defrosting time is adjusted to than just often short.
2, the defrosting control method of refrigerator according to claim 1, the current state that it is characterized in that described judgement refrigerator are to be that the basis is judged according to temperature in the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02100535 CN1228599C (en) | 2002-01-31 | 2002-01-31 | Refrigerator defrosting controlling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02100535 CN1228599C (en) | 2002-01-31 | 2002-01-31 | Refrigerator defrosting controlling method |
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| CN1435640A CN1435640A (en) | 2003-08-13 |
| CN1228599C true CN1228599C (en) | 2005-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 02100535 Expired - Fee Related CN1228599C (en) | 2002-01-31 | 2002-01-31 | Refrigerator defrosting controlling method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943510A (en) * | 2010-08-12 | 2011-01-12 | 合肥晶弘电器有限公司 | Electronic defrosting system having refrigerating chamber stopping function |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915491B (en) * | 2010-08-03 | 2012-07-18 | 海信容声(广东)冰箱有限公司 | Method for controlling defrosting of direct cooling refrigerator |
| CN109798703B (en) * | 2019-01-15 | 2021-03-02 | 广东芬尼克兹节能设备有限公司 | Heat pump unit and defrosting control method and device thereof |
| CN110207453A (en) * | 2019-05-31 | 2019-09-06 | 合肥美的电冰箱有限公司 | Defrosting control method, refrigeration equipment and readable storage medium storing program for executing |
| CN112393508B (en) * | 2020-11-13 | 2021-10-01 | 珠海格力电器股份有限公司 | Frosting time calculation method and refrigeration equipment |
-
2002
- 2002-01-31 CN CN 02100535 patent/CN1228599C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943510A (en) * | 2010-08-12 | 2011-01-12 | 合肥晶弘电器有限公司 | Electronic defrosting system having refrigerating chamber stopping function |
| CN101943510B (en) * | 2010-08-12 | 2012-05-02 | 合肥晶弘电器有限公司 | Electronic defrosting system having refrigerating chamber stopping function |
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| Publication number | Publication date |
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| CN1435640A (en) | 2003-08-13 |
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