CN106016954A - Single-system air-cooling refrigerator defrosting recovery period control method and system and refrigerator - Google Patents
Single-system air-cooling refrigerator defrosting recovery period control method and system and refrigerator Download PDFInfo
- Publication number
- CN106016954A CN106016954A CN201610388176.8A CN201610388176A CN106016954A CN 106016954 A CN106016954 A CN 106016954A CN 201610388176 A CN201610388176 A CN 201610388176A CN 106016954 A CN106016954 A CN 106016954A
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- China
- Prior art keywords
- defrosting
- temperature
- air door
- refrigerator
- preset
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
Abstract
The invention relates to a single-system air-cooling refrigerator defrosting recovery period control method and system and a refrigerator. The method comprises the following steps: starting a compressor and closing a refrigeration air door a first preset time t1 later after defrosting stops; opening the refrigeration air door after a second preset time t2 of refrigeration; when the temperature of a refrigeration chamber is lowered to a preset refrigeration temperature, closing the refrigeration air door; and when the temperature of a freezing chamber is lowered to a preset freezing temperature, stopping defrosting recovery control. According to the invention, the purpose of time-sharing control of refrigeration and freezing is achieved by controlling the opening/closing state of the refrigeration air door after defrosting; and after time control is over, both the refrigeration chamber and the freezing chamber are finally enabled to reach the preset temperatures by controlling the opening/closing state of the refrigeration air door. Through the control method provided by the invention, the defrosting recovery period is effectively shortened, power consumption in the defrosting recovery period is reduced, and refrigeration and freezing are recovered as soon as possible to a normal stable operation state.
Description
Technical field
The present invention relates to refrigerator art, particularly relate to a kind of single system wind cooling refrigerator defrosting convalescent period control
Method processed, system and refrigerator.
Background technology
Fig. 1 show the system diagram of current single system wind cooling refrigerator, only one of which vaporizer and one supporting
Fan, simultaneously for room cooling between cold preservation and freezing two, wherein, whether cold room freezes is by cold
Hide opening of air door to realize with closing.
Vaporizer defrosting process, is up to about 200 DEG C owing to adding heat pipe, and period has substantial amounts of hot-air
Inside duct flows to refrigerator compartment so that room temperature is significantly raised；
After defrosting terminates, along with the inflow of a large amount of hot-airs, two compartment temperatures can deviate considerably from positive room temperature
(during refrigerator stable operation, temperature of refrigerating chamber is typically in 0-10 DEG C of interval to degree level, and refrigerating chamber is then
Less than-18 DEG C of intervals, the two thermic load difference is bigger), the significantly different step of convalescent period cooling after defrosting,
Convalescent period is the longest, and energy consumption increases.
Summary of the invention
The technical problem to be solved is for the deficiencies in the prior art, it is provided that a kind of single system wind
Cold refrigerator defrosting convalescent period control method, system and refrigerator.
The technical scheme is that a kind of single system wind cooling refrigerator defrosting is extensive
Multiple phase control method, comprises the steps:
S1, after defrosting stops, opening compressor and closes cold preservation air door after waiting the first preset time t 1；
S2, opens cold preservation air door after freezing operation the second preset time t 2；
S3, closes cold preservation air door when temperature of refrigerating chamber is down to preset refrigerating temperature；
S4, exits defrosting and recovers to control when freezer temperature is down to and is preset cryogenic temperature.
The invention has the beneficial effects as follows: the present invention defrosted by control after the open and close shape of cold preservation air door
State, reaches refrigerating and runs the purpose of Time-sharing control, after the time controls to terminate, is controlled cold by temperature
Hide the open and close state of air door, finally make cold room and refrigerating chamber all reach preset temperature, institute of the present invention
State control method and be effectively shortened defrost convalescent period duration, reduce convalescent power consumption, make refrigerating
Recovering normal table running status as early as possible, compared with prior art, defrosting convalescent period time-consumingly grows minimizing
3-5mi n, energy consumption reduces by more than 1.5%.
On the basis of technique scheme, the present invention can also do following improvement.
Further, S2 starts the moment of compressor, control evaporator fan t3 time delay and start, institute
State t3 less than t2.
Above-mentioned further scheme is used to provide the benefit that: the delay of evaporator fan is opened, and can promote
Cold-producing medium flowing in evaporator tube so that evaporating temperature rapid decrease, beneficially later stage fast cooling.
Further, the span of described t3 is 2-8mi n.
Above-mentioned further scheme is used to provide the benefit that: the present invention, by starting compressor moment, is controlled
Evaporator fan processed postpones 2-8mi n and starts, and the heat that can effectively prevent defrosting from producing expands in casing
Dissipate, reduce the impact on refrigerator power consumption of the defrosting process, meanwhile, reduce start-up phase system heat load,
Accelerate system balancing speed.
Further, the span of described t1 is 3-20mi n.
Above-mentioned further scheme is used to provide the benefit that: the present invention starts compression the most immediately
Machine, but time delay is restarted for 3-20 minute, in being possible to prevent defrosting finisher, high-temperature steam enters pressure
In contracting machine, compressor is caused to burn out；It addition, be conducive to slowing down evaporator surface frost layer accumulation speed, prolong
Long defrost is spaced, and reduces defrost number of times, and meanwhile, the heat produced during preventing defrosting expands in casing
Dissipate, reduce the impact on refrigerator power consumption of the defrosting process.
Further, the span of described t2 is 10-30mi n.
Above-mentioned further scheme is used to provide the benefit that: the present invention, by after compressor start, closes
Cold preservation air door, is individually for refrigerating chamber cooling, can reduce thermic load in system recovery process of refrigerastion, accelerates
System pressure difference reconstruction speed.
For achieving the above object, the present invention also provides for a kind of single system wind cooling refrigerator defrosting convalescent period control
System processed, detects including control module, timing module, temperature of refrigerating chamber detection module and freezer temperature
Module；Described control module, after the stopping that being used for defrosting, starts timing module timing, and timing first is preset
Start compressor after time t1 and close cold preservation air door, opening cold after freezing operation the second preset time t 2
Hide air door, close cold preservation air door when temperature of refrigerating chamber is down to preset refrigerating temperature, drop at freezer temperature
Recover to control to exiting defrosting when presetting cryogenic temperature；Described temperature of refrigerating chamber detection module, in real time
Detection temperature of refrigerating chamber is also sent to control module；Described freezer temperature detection module, for inspection in real time
Survey freezer temperature and be sent to control module.
The invention has the beneficial effects as follows: the present invention defrosted by control after the open and close shape of cold preservation air door
State, reaches refrigerating and runs the purpose of Time-sharing control, after the time controls to terminate, is controlled cold by temperature
Hide the open and close state of air door, finally make cold room and refrigerating chamber all reach preset temperature, institute of the present invention
State control method and be effectively shortened defrost convalescent period duration, reduce convalescent power consumption, make refrigerating
Recover normal table running status as early as possible.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described control module is starting the moment of compressor, controls evaporator fan time delay
T3 starts, and described t3 is less than t2.
Further, the span of described t3 is 2-8mi n.
Further, the span of described t1 is 3-20mi n；The span of described t2 is 10-30mi n.
For achieving the above object, the present invention also provides for a kind of refrigerator, including described in technique scheme
Single system wind cooling refrigerator defrosting convalescent period control system.
Accompanying drawing explanation
Fig. 1 is the system diagram of current single system wind cooling refrigerator；
Fig. 2 is single system wind cooling refrigerator of the present invention defrosting convalescent period control method flow chart；
Fig. 3 is single system wind cooling refrigerator of the present invention defrosting convalescent period control system block diagram.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining this
Invention, is not intended to limit the scope of the present invention.
As it is shown in figure 1, single system wind cooling refrigerator includes compressor, condenser, capillary tube and evaporation at present
The closed circuit that device is constituted, only one of which vaporizer and a supporting fan, simultaneously for cold preservation and freezing
Room cooling between two, wherein, whether cold room freezes is to be realized with closing by opening of cold preservation air door.
The present invention provides a kind of single system wind cooling refrigerator defrosting convalescent period control method, system and refrigerator.
As in figure 2 it is shown, a kind of single system wind cooling refrigerator defrosting convalescent period control method, comprise the steps:
S1, after defrosting stops, opening compressor and closes cold preservation air door after waiting the first preset time t 1；
S2, opens cold preservation air door after freezing operation the second preset time t 2；
S3, closes cold preservation air door when temperature of refrigerating chamber is down to preset refrigerating temperature；
S4, exits defrosting and recovers to control when freezer temperature is down to and is preset cryogenic temperature.
In control method of the present invention, start compressor the most immediately, but during time delay one section
Between restart, be possible to prevent to defrost in high-temperature steam enters compressor in finisher, cause compressing machine burning
Bad；It addition, be conducive to slowing down evaporator surface frost layer accumulation speed (because defrosting finisher table exists
Substantial amounts of defrosting water, direct press starts, evaporator surface can be caused to freeze), extend defrost interval,
Reducing defrost number of times, meanwhile, the heat produced during preventing defrosting, to casing internal diffusion, reduces defrosting
The process impact on refrigerator power consumption.Combine temperature control by the time afterwards, make refrigerating extensive as early as possible
Multiple normal table running status, shortens the time used by defrosting convalescent period, and then reduces the convalescent energy that defrosts
Consumption.
First half section is time control.After refrigerator defrost stops, first there are the shutdown of one period of set time, time
Length can adjust according to the practical situation of different refrigerators, and the span of t1 is 3-20mi n.Afterwards,
Compressor start, the control program that the present invention relates to starts the most freezing operation (i.e. cold preservation specifically for press
Air door is closed), this freezing operation phase is still that time control, and the span of fixing duration t2 is
10-30mi n.The present invention, by after compressor start, closes cold preservation air door, is individually for refrigerating chamber cooling,
Thermic load in system recovery process of refrigerastion can be reduced, accelerate system pressure difference reconstruction speed.
It should be noted is that, press starts moment, and evaporator fan has the control of delay start, control
Evaporator fan t3 time delay processed starts, and described t3 is less than t2.The delay of evaporator fan is opened,
Can promote that the cold-producing medium in evaporator tube flows so that evaporating temperature rapid decrease, beneficially later stage are quick
Cooling.Can effectively prevent the heat that defrosting produces to casing internal diffusion, reduce defrosting process and refrigerator is consumed
The impact of electricity, meanwhile, reduces start-up phase system heat load, accelerates system balancing speed.This enforcement
The span of t3 described in example is 2-8mi n.
Second half section is temperature control.After the early stage time controls to terminate, after the i.e. freezing operation t2 time, cold
Tibetan air door is opened, and vaporizer is cold room and refrigerating chamber cooling simultaneously, until cold preservation room temperature reaches setting value,
Close cold preservation air door, finisher be individually for refrigerating chamber cooling, until refrigerating chamber is also down to design temperature.
The present invention is by after defrosting EP (end of program), and control compressor shutdown a period of time is then turned on, and opens
Close cold preservation air door while compressor, make vaporizer be individually for refrigerating chamber cooling, i.e. first freezing operation one
The section time, make the chilling rate of cold room and refrigerating chamber synchronize, then open cold preservation air door, make vaporizer same
Time be cold preservation and freezing compartment's cooling, when preset refrigerating temperature is down to by cold room, open cold preservation air door,
Vaporizer is made to be individually for refrigerating chamber cooling, until cryogenic temperature is down to preset cryogenic temperature.Due to refrigerating chamber
Thermic load amount is big, and refrigeration demand amount is far above cold room, if be cold preservation and freezing cooling simultaneously, the coldest
Tibetan can reach design temperature the most in advance, and the two refrigerating speed is the most asynchronous, and convalescent period is the longest,
And energy consumption increases；Therefore the present invention is the most freezing runs a period of time, then is cold preservation and refrigerating chamber cooling simultaneously,
Cold room and refrigerating chamber cooling are synchronized, shortens whole convalescent duration, reduce refrigerator defrost and recover
Phase energy consumption.The method of the invention is compared and prior art, and defrosting convalescent period time-consumingly grows minimizing 3-5mi n,
Energy consumption reduces by more than 1.5%.
As it is shown on figure 3, the present invention also provides for a kind of single system wind cooling refrigerator defrosting convalescent period control system,
Including control module, timing module, temperature of refrigerating chamber detection module and freezer temperature detection module；Institute
State control module, after the stopping that being used for defrosting, start timing module timing, after timing the first preset time t 1
Start compressor and close cold preservation air door, after freezing operation the second preset time t 2, opening cold preservation air door,
Close cold preservation air door when temperature of refrigerating chamber is down to preset refrigerating temperature, be down at freezer temperature default cold
Exit defrosting when freezing temperature to recover to control；Described temperature of refrigerating chamber detection module, detects cold preservation in real time
Room temperature is also sent to control module；Described freezer temperature detection module, detects refrigerating chamber in real time
Temperature is also sent to control module.The span of described t1 is 3-20mi n；The value model of described t2
Enclose for 10-30mi n.
Described control module is starting the moment of compressor, controls evaporator fan t3 time delay and starts,
Described t3 is less than t2.The delay of evaporator fan is opened, and can promote the cold-producing medium stream in evaporator tube
Dynamic so that evaporating temperature rapid decrease, beneficially later stage fast cooling.The span of described t3 is
2-8mi n。
For achieving the above object, the present invention also provides for a kind of refrigerator, including described in technique scheme
Single system wind cooling refrigerator defrosting convalescent period control system.
In the description of this specification, reference term " embodiment one ", " example ", " concrete example ",
Or the description of " some examples " etc. means to combine this embodiment or example describes concrete grammar, device or
Person's feature is contained at least one embodiment or the example of the present invention.In this manual, to above-mentioned art
The schematic representation of language is necessarily directed to identical embodiment or example.And, the concrete spy of description
Levy, method, device or feature can with in one or more embodiments in office or example in an appropriate manner
In conjunction with.Additionally, in the case of the most conflicting, those skilled in the art can be by this specification
The feature of the different embodiments described or example and different embodiment or example is combined and combines.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all in the present invention
Spirit and principle within, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (10)
1. a single system wind cooling refrigerator defrosting convalescent period control method, it is characterised in that include as follows
Step:
S1, after defrosting stops, opening compressor and closes cold preservation air door after waiting the first preset time t 1；
S2, opens cold preservation air door after freezing operation the second preset time t 2；
S3, closes cold preservation air door when temperature of refrigerating chamber is down to preset refrigerating temperature；
S4, exits defrosting and recovers to control when freezer temperature is down to and is preset cryogenic temperature.
Single system wind cooling refrigerator the most according to claim 1 defrosting convalescent period control method, it is special
Levy and be, S2 starts the moment of compressor, control evaporator fan t3 time delay and start, described
T3 is less than t2.
Single system wind cooling refrigerator the most according to claim 2 defrosting convalescent period control method, it is special
Levying and be, the span of described t3 is 2-8min.
Single system wind cooling refrigerator the most according to claim 1 defrosting convalescent period control method, it is special
Levying and be, the span of described t1 is 3-20min.
Single system wind cooling refrigerator the most according to claim 1 defrosting convalescent period control method, it is special
Levying and be, the span of described t2 is 10-30min.
6. a single system wind cooling refrigerator defrosting convalescent period control system, it is characterised in that include controlling
Module, timing module, temperature of refrigerating chamber detection module and freezer temperature detection module；
Described control module, after the stopping that being used for defrosting, starts timing module timing, when timing first is preset
Between start compressor after t1 and close cold preservation air door, freezing run the second preset time t 2 after open cold preservation
Air door, closes cold preservation air door, is down at freezer temperature when temperature of refrigerating chamber is down to preset refrigerating temperature
Exit defrosting when presetting cryogenic temperature to recover to control；
Described temperature of refrigerating chamber detection module, detects temperature of refrigerating chamber for real-time and be sent to control mould
Block；
Described freezer temperature detection module, detects freezer temperature for real-time and be sent to control mould
Block.
Single system wind cooling refrigerator the most according to claim 6 defrosting convalescent period control system, it is special
Levying and be, described control module is starting the moment of compressor, controls evaporator fan t3 time delay
Starting, described t3 is less than t2.
Single system wind cooling refrigerator the most according to claim 7 defrosting convalescent period control system, it is special
Levying and be, the span of described t3 is 2-8min.
Single system wind cooling refrigerator the most according to claim 6 defrosting convalescent period control system, it is special
Levying and be, the span of described t1 is 3-20min；The span of described t2 is 10-30min.
10. a refrigerator, it is characterised in that include the single system wind described in any one of claim 6-9
Cold refrigerator defrosting convalescent period control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610388176.8A CN106016954A (en) | 2016-05-30 | 2016-05-30 | Single-system air-cooling refrigerator defrosting recovery period control method and system and refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610388176.8A CN106016954A (en) | 2016-05-30 | 2016-05-30 | Single-system air-cooling refrigerator defrosting recovery period control method and system and refrigerator |
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Family
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| CN201610388176.8A Pending CN106016954A (en) | 2016-05-30 | 2016-05-30 | Single-system air-cooling refrigerator defrosting recovery period control method and system and refrigerator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107044756A (en) * | 2017-03-28 | 2017-08-15 | Tcl家用电器（合肥）有限公司 | The anti-freeze control method of air door and refrigerator |
| CN110887311A (en) * | 2019-11-07 | 2020-03-17 | 合肥华凌股份有限公司 | Temperature control method for single-system air-cooled refrigerator, electronic equipment and medium |
| CN113654298A (en) * | 2021-08-23 | 2021-11-16 | 珠海格力电器股份有限公司 | Refrigeration equipment control method, storage medium, electronic equipment and refrigeration equipment |
| CN114777371A (en) * | 2022-04-08 | 2022-07-22 | 海信（山东）冰箱有限公司 | Refrigerator and noise reduction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107044756A (en) * | 2017-03-28 | 2017-08-15 | Tcl家用电器（合肥）有限公司 | The anti-freeze control method of air door and refrigerator |
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| CN113654298A (en) * | 2021-08-23 | 2021-11-16 | 珠海格力电器股份有限公司 | Refrigeration equipment control method, storage medium, electronic equipment and refrigeration equipment |
| CN113654298B (en) * | 2021-08-23 | 2022-05-20 | 珠海格力电器股份有限公司 | Refrigeration equipment control method, storage medium, electronic equipment and refrigeration equipment |
| CN114777371A (en) * | 2022-04-08 | 2022-07-22 | 海信（山东）冰箱有限公司 | Refrigerator and noise reduction method thereof |
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Application publication date: 20161012 |