CN105135791B - Defrosting system, defrosting method and the wind cooling refrigerator of wind cooling refrigerator - Google Patents
Defrosting system, defrosting method and the wind cooling refrigerator of wind cooling refrigerator Download PDFInfo
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- CN105135791B CN105135791B CN201510112200.0A CN201510112200A CN105135791B CN 105135791 B CN105135791 B CN 105135791B CN 201510112200 A CN201510112200 A CN 201510112200A CN 105135791 B CN105135791 B CN 105135791B
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- heating
- evaporator
- heating member
- defrosting
- wind cooling
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Abstract
The invention discloses a kind of defrosting system of wind cooling refrigerator, it is arranged in wind cooling refrigerator, including：Temperature sensor, temperature sensor is connected with evaporator, the temperature information for detecting evaporator；Controller, controller is connected with temperature sensor and heating arrangements and the working condition of heating arrangements is controlled according to temperature information；Heating arrangements, heating arrangements include the first heating member and the second heating member, and the first heating member is arranged at the side wall of evaporator, and the second heating member is arranged at the bottom of evaporator.The invention also discloses a kind of corresponding with above-mentioned defrosting system defrosting method and wind cooling refrigerator.Defrosting system, defrosting method and the wind cooling refrigerator of the present invention on an evaporator by setting two or more heating members to realize Combined type heating defrost, it is ensured that the uniformity of defrost.Meanwhile, it so can effectively shorten the defrost time, improve defrost efficiency, power consumption can also be reduced, temperature fluctuation amplitude, raising food storage quality in refrigerator when reducing defrost.
Description
Technical field
The present invention relates to refrigeration technology field, more particularly to defrosting system, defrosting method and refrigerator.
Background technology
Wind cooling refrigerator is also known as frost-free refrigerator, by its refrigerating speed is fast, the temperature inside the box is uniform, without artificial deicing/frost
Advantage is gradually favored by more and more consumers, is increasingly increased in the share shared by high-end refrigerator market.However, air-cooled ice
Also there is white presence in case, simply the frost in refrigerator has been condensed on evaporator, be generally removed by the way of thermal evaporation.
But, it is general uneven using defrost in base of evaporator setting heater block, is often led in the prior art, it is possible that
Base of evaporator has been overheated, the situation that the frost layer at top is not melted also completely.Also, heater block adds during due to defrost
Hot time length, heat are big, cause the temperature inside the box to go up too high, not only influence defrost efficiency, cause the waste of resource, have an effect on food
Thing stores quality.
The content of the invention
It is a primary object of the present invention to provide a kind of defrosting system of wind cooling refrigerator, it is intended to solve defrost in the prior art
Uneven technical problem.
To achieve the above object, the present invention provides a kind of defrosting system of wind cooling refrigerator, is arranged in wind cooling refrigerator, described
Defrosting system includes evaporator and the heating arrangements being connected with the evaporator, and the defrosting system also includes：TEMP
Device, the temperature sensor is connected with the evaporator, for detection temperature information；Controller, the controller and the temperature
Spend sensor and heating arrangements connection and the working condition that the heating arrangements are controlled according to the temperature information；The heating
Mechanism includes the first heating member and the second heating member, wherein, first heating member is arranged at the side wall of the evaporator, described
Second heating member is arranged at the bottom of the evaporator.
Preferably, first heating member is heating wire, and first heating member is coiled in the evaporator away from described
The top of second heating member and fitted with the side wall of the evaporator.
Preferably, the heating arrangements also include the 3rd heating member being connected with the evaporator, the 3rd heating member
It is arranged between first heating member and the second heating member.
Preferably, second heating member includes heating wire and heating board, and the heating wire is installed on the heating board,
The heating board is fitted with the evaporator.
Preferably, the defrosting system also includes the fuse being connected with the heating arrangements, and is arranged at the steaming
The drip tray below device is sent out, the drip tray is provided with the osculum for draining.
In addition, to achieve the above object, the present invention also provides a kind of defrosting method of wind cooling refrigerator, for controlling to be arranged at
Defrosting system in refrigerator, the defrosting system includes：Temperature sensor, the temperature sensor is connected with the evaporator,
Temperature information for detecting the evaporator；Controller, the controller is connected with the temperature sensor and heating arrangements,
And the working condition of the heating arrangements is controlled according to the temperature information；Heating arrangements, the heating arrangements include first
Heating member and the second heating member, first heating member are arranged at the side wall of the evaporator, and second heating member is arranged at
The bottom of the evaporator.
The defrosting method comprises the following steps：When reaching defrost condition, first heating member is started working；When up to
During to the first preparatory condition, second heating member works simultaneously with first heating member；When reaching default exit criteria
When, the heating arrangements are stopped.
Preferably, the defrosting method is further comprising the steps of after the heating arrangements are stopped：When reaching first
During preparatory condition, refrigerator enters refrigeration mode.
Preferably, first preparatory condition is to reach 4~6 minutes the time, and/or, when first preparatory condition is
Between reach 6~8 minutes..
Preferably, the temperature sensor judges whether to reach defrost condition according to the temperature information detected, and/or,
The temperature sensor judges whether to reach exit criteria according to the temperature information detected.
In addition, to achieve the above object, the present invention also provides a kind of wind cooling refrigerator, the refrigerator includes defrosting system, institute
Stating defrosting system includes：Temperature sensor, the temperature sensor is connected with the evaporator, for detection temperature information；Control
Device processed, the controller is connected with the temperature sensor and heating arrangements, added according to temperature information control control
The working condition of heat engine structure；Heating arrangements, the heating arrangements include the first heating member and the second heating member, first heating
Part is arranged at the side wall of the evaporator, and second heating member is arranged at the bottom of the evaporator.
Defrosting system, defrosting method and the refrigerator of air cooling type refrigerator of the present invention by an evaporator set two or
Multiple heating members realize Combined type heating defrost, it is ensured that the uniformity of defrost.Meanwhile, when so effectively can shorten defrost
Between, improve defrost efficiency, can also reduce power consumption, temperature fluctuation amplitude in refrigerator when reducing defrost, improve food storage
Deposit quality.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of defrosting system one of the present invention；
Fig. 2 is the schematic flow sheet of the embodiment of defrosting method one of the present invention；
Fig. 3 is the schematic flow sheet of another embodiment of defrosting method of the present invention.
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of defrosting system, is arranged in refrigerator, reference picture 1, in one embodiment, the defrosting system bag
Include：Temperature sensor 2, temperature sensor 2 is connected with evaporator 1, the temperature information for detecting evaporator；Controller, control
Device is connected with temperature sensor 2 and heating arrangements 3 and the working condition of heating arrangements 3 is controlled according to temperature information；Heating arrangements
3, heating arrangements 3 include the first heating member 4 and the second heating member 5, and the first heating member 4 is arranged at the side wall of evaporator 1, and second adds
Warmware 5 is arranged at the bottom of evaporator 1.
Specifically, defrosting system of the invention includes temperature sensor 2, controller and the connection of heat engine structure, the defrosting system
Act as the automatic frost removed and condensed on evaporator 1, be mainly used in wind cooling refrigerator, naturally it is also possible to applied to other systems
Cool equipment, such as freeze dryer etc..Temperature sensor 2 is connected with evaporator 1, and the temperature information of evaporator 1 can be monitored in real time, will
The temperature information feeds back to controller, and controller controls the working condition of heating arrangements 3 according to the temperature information received.Such as
When the temperature for monitoring evaporator 1 is less than five degrees below zero, defrosting mode can be entered, when the temperature of evaporator 1 reaches certain value
When exit defrosting mode；The operating power of heating arrangements 3 can also be determined according to temperature, so as to control defrosting intensity or time；
The region of the work of heating arrangements 3 can also be obtained according to temperature sensation, so as to carry out overall or local defrosting.Temperature in the present invention is passed
Sensor 2 can also be able to be a plurality of for one, temperature sensor 2 can also be made into temperature-sensing probe, can be arranged on evaporation
The surface of device 1 can also be inserted in evaporator 1.
Heating arrangements 3 include the first heating member 4 and the second heating member 5 in the present invention, because prior art is usually to steam
Send out device 1 bottom and one heating member be set, so as to cause the frost of the top of evaporator 1 or side wall to be difficult to remove, and bottom due to
The aging of evaporator 1 is excessively concentrated and caused to heat.Therefore, the first heating member 4 is arranged to the side of evaporator 1 in the present invention
Wall, the second heating member 5 is arranged at the bottom of evaporator 1, can so realize Combined type heating defrost, it is ensured that defrost it is uniform
Property.Meanwhile, it so can effectively shorten the defrost time, improve defrost efficiency, power consumption can also be reduced, during reduction defrost
Temperature fluctuation amplitude, raising food storage quality in refrigerator.
It should be noted that the present invention is not limited for the number of heating member, such as heating arrangements 3 can also include the
Three heating members, the 3rd heating member is arranged between the first heating member 4 and the second heating member 5, so the number on heating member
It can be arranged as required to specific size and form.
Further, the first heating member 4 is heating wire (not shown), and the first heating member 4 is coiled deviates from second in evaporator 1
The top of heating member 5 and fitted with the side wall of evaporator 1.
Specifically, the concrete form present invention of the first heating member 4 and the second heating member 5 is not intended to limit, different according to material
Quartz ampoule electrothermal piece, steel device electrothermal piece, aluminium device electrothermal piece, Teflon electrothermal piece, titanium electrothermal piece etc. can be selected；According to shape not
It is same to select straight type electrothermal piece, U-shaped electrothermal piece, L-type electrothermal piece, W types electrothermal piece, fin electrothermal piece, special-shaped electrothermal piece etc., when
Resistive heating element and radiation electrothermal piece so can be selected according to mode of heating difference；The position set according to part is different, it is necessary to full
The different volume of foot and power, could be arranged to heating wire, heat-generating pipe or heating board etc..
The frost for finding the top of evaporator 1 and side wall according to the research to prior art is difficult to remove, therefore, the present embodiment
In, in order to the quick and uniform frost for melting the top of evaporator 1 and side wall, the first heat generating member is set to heating wire,
And the heating wire is coiled to the one end for deviating from the second heating member 5 in evaporator 1.Heating wire has good toughness, is easy to curved
Bent and coiling is set, and cost is low.Certain first heating member 4 can be arranged at the top of evaporator 1, can also be arranged at steaming
Send out any side wall of device 1；A side wall of evaporator 1 can be fitted in or coiled in top.
Further, the second heating member 5 includes heating wire (not shown) and heating board (not shown), and heating wire is installed on hair
On hot plate, heating board is fitted with evaporator 1.Because the first heating member 4 is arranged at the side wall of evaporator 1, the second heating member 5 is set
In the bottom of evaporator 1, during defrost, the first heating member 4 is first begin to work, and now the temperature of evaporator 1 is relatively low；
After first heating member 4 work a period of time, the second heating member 5 is just started working, and now the temperature of evaporator 1 has been carried
Rise.Accordingly, it would be desirable to which the speed for setting the temperature of the second heating member 5 to rise is more than the speed that the temperature of the first heating member 4 rises so that room
The ratio that temperature during the defrost of evaporator 1 on the side wall of evaporator 1 rises is more uniform, while on the bottom temp of evaporator 1
Rise very fast, the frost tentatively melted can be made to accelerate to melt.Quickly stablize to realize the bottom temp of evaporator 1
Rise, the second heating member 5 be set to the form of heating wire and heating board combination, first heating wire is installed on heating board, then
Heating board is connected with evaporator 1.Wherein, heating board can increase heating surface (area) (HS, improve the transmission speed of heat energy.
Further, defrosting system also includes the fuse (not shown) being connected with heating arrangements 3, and is arranged at evaporation
The drip tray of the lower section of device 1, drip tray is provided with the osculum for draining.
Specifically, in order to which during preventing defrost, the temperature of heating arrangements 3 is too high and breaks down, in defrosting system also
Fuse is provided with, can so prevent heating arrangements 3 from the problems such as short circuit, burning occur.When temperature sensor 2 detects temperature
When abnormal, fuse can just disconnect so that heating arrangements 3 are stopped, and improve the security of defrosting system.
During defrost, the frost on evaporator 1 can be melted into water, if these water are excluded not in time, a period of time
Afterwards or refrigerator restarts after refrigeration mode, water can condense into frost again, and these frosts may accumulate and influence ice
The normal operation of case.In order to prevent in the appearance of above-mentioned situation, the present embodiment, drip tray is additionally provided with the bottom of evaporator 1, and
And osculum is provided with drip tray, the osculum can be connected with the drainage channel in refrigerator, so as to ensure refrigerator performance
Stabilization.
The present invention also provides a kind of defrosting method, and for the defrosting system for controlling to be arranged in refrigerator, the defrosting system can
Including technical scheme all in previous embodiment, its detailed construction can refer to previous embodiment, will not be repeated here.
With reference to Fig. 2, in one embodiment, defrosting method comprises the following steps：
S1：When reaching defrost condition, the first heating member is started working.
Specifically, defrost condition can be set according to the concrete condition of refrigerator, such as according to the environment temperature in refrigerator, wet
The combination of a certain parameter or arbitrary parameter in the parameter such as degree, the run time of freezer compressor, the door opening times of refrigerator comes
Defrost condition is adjusted, the present invention is without limitation., can holding by controller monitoring refrigeration for refrigerator pattern in the present embodiment
Reforwarding makees time, or the temperature information detected according to temperature sensor to determine whether to carry out defrost.When meeting defrost bar
Part is that the first heating member is started working, now, there was only the work of the first heating member in heating arrangements.Ground according to prior art
Study carefully and find that the frost at the top of evaporator with side wall is difficult to remove, therefore, at the top of quick and uniform thawing evaporator
With the frost of side wall, during defrost, the first heating member is set to work independently first.
S2：When reaching the first preparatory condition, the second heating member and the first heating member work simultaneously.
Specifically, after the first heating member works a period of time, the frost of the evaporator first half is gradually melted, and is set
Second heating member is started working, and now, the first heating member and the second heating member work simultaneously.And it is possible to set the second heating
The power of part is more than the power of the first heating member, at the top of the evaporator and side wall frost uniformly melt in the case of, steam
The frost fast melt of device bottom is sent out, defrost efficiency can be so improved.Wherein, the first preparatory condition can be limited by first threshold
System, the first threshold can be that time value can also be temperature value, such as set controller to detect the first heating member and work 5 points
Zhong Hou, the second heating member is started working；Or first heating member start working after, temperature sensor detects the temperature of evaporator
When reaching 5 degree, the second heating member is started working.
S3：When reaching default exit criteria, heating arrangements are stopped.
Specifically, exit criteria is corresponding with defrost condition, i.e., the frost that controller is detected on evaporator has been removed
After finishing, control heating arrangements are stopped.Similarly, the exit criteria it can also be provided that environment temperature, humidity in refrigerator,
The combination of a certain parameter or arbitrary parameter in the parameters such as the run time of freezer compressor, the door opening times of refrigerator, this hair
It is bright without limitation.
Preferably, temperature sensor judges whether to reach defrost condition according to the temperature information detected, and/or, temperature
Sensor judges whether to reach exit criteria according to the temperature information detected.
The defrosting method of the present invention in differentiation by setting the working condition of different heating part in heating arrangements to realize group
Box-like heating defrost, it is ensured that the uniformity of defrost.Meanwhile, it so can effectively shorten the defrost time, improve defrost efficiency, also
Power consumption can be reduced, temperature fluctuation amplitude, raising food storage quality in refrigerator when reducing defrost.
Further, with reference to Fig. 3, defrosting method is further comprising the steps of after heating arrangements are stopped：
S4：When reaching the second preparatory condition, refrigerator enters refrigeration mode.
Specifically, when heating arrangements are just stopped, the environment temperature residing for evaporator is higher, if now entered at once
Enter refrigeration mode, can arrive causes temperature fluctuation in refrigerator excessive, be unfavorable for the fresh-keeping of refrigerator memory storage food.Moreover, by defrost
Pattern is directly entered refrigeration mode, can increase the load of refrigerator, influences the normal operation of refrigeration mode, can also cause the wave of the energy
Take, be unfavorable for energy-conservation and environmental protection.Therefore, it is set in the present invention when temperature or time reach the second preparatory condition, ice
Case just enters refrigeration mode.Second preparatory condition such as sets Second Threshold with may be referred to the setting of the first preparatory condition, should
Second Threshold equally can be that time value can also be temperature value, such as set controller to detect heating arrangements and be stopped 7
After minute, or after heating arrangements are stopped, when the temperature that temperature sensor detects evaporator reaches 3 degree, refrigerator enters
Refrigeration mode.
Further, the first preparatory condition is to reach 4~6 minutes the time, and/or, the first preparatory condition is the time to reach 6
~8 minutes.
Specifically, first threshold and Second Threshold are set to time value, heating arrangements can be caused according to default journey
Sequence works, and is easy to set and manages.Drawn according to test, first threshold is preferably 4~6 minutes, and Second Threshold is preferably 6~8
Minute.
The present invention also provide it is a kind of include the wind cooling refrigerator of above-mentioned defrosting system, the defrosting system is using above-mentioned defrosting method
Operation.The defrosting system and defrosting method may include technical schemes all in previous embodiment, before its detailed content can refer to
Embodiment is stated, be will not be repeated here.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of defrosting system of wind cooling refrigerator, is arranged in wind cooling refrigerator, the defrosting system include evaporator and with institute
State the heating arrangements of evaporator connection, it is characterised in that the defrosting system also includes：
Temperature sensor, the temperature sensor is connected with the evaporator, the temperature information for detecting the evaporator；
Controller, the controller is connected with the temperature sensor and heating arrangements and controls institute according to the temperature information
State the working condition of heating arrangements；
The heating arrangements include the first heating member and the second heating member, wherein, first heating member is arranged at the evaporation
The side wall of device, second heating member is arranged at the bottom of the evaporator；
The controller is used to when reaching defrost condition, controls the first heating member to work first, and is reaching the first default bar
During part, then second heating member is controlled to be worked simultaneously with first heating member, and when reaching default exit criteria,
The heating arrangements are controlled to be stopped.
2. the defrosting system of wind cooling refrigerator as claimed in claim 1, it is characterised in that first heating member is heating wire,
First heating member coil in the evaporator away from second heating member top and with the side wall phase of the evaporator
Laminating.
3. the defrosting system of wind cooling refrigerator as claimed in claim 1, it is characterised in that the heating arrangements also include with it is described
3rd heating member of evaporator connection, the 3rd heating member is arranged between first heating member and the second heating member.
4. the defrosting system of wind cooling refrigerator as claimed in claim 1, it is characterised in that second heating member includes heating wire
And heating board, the heating wire is installed on the heating board, and the heating board is fitted with the evaporator.
5. the defrosting system of the wind cooling refrigerator as described in any one of Claims 1-4, it is characterised in that the defrosting system is also
Including the fuse being connected with the heating arrangements, and the drip tray below the evaporator is arranged at, the drip tray is set
There is the osculum for draining.
6. a kind of defrosting method of wind cooling refrigerator, for the defrosting system for controlling to be arranged in refrigerator, it is characterised in that describedization
Defrosting system includes：
Temperature sensor, the temperature sensor is connected with evaporator, the temperature information for detecting the evaporator；
Controller, the controller is connected with the temperature sensor and heating arrangements and is controlled to control according to the temperature information
Make the working condition of the heating arrangements；
Heating arrangements, the heating arrangements include the first heating member and the second heating member, and first heating member is arranged at described
The side wall of evaporator, second heating member is arranged at the bottom of the evaporator；
The defrosting method of the wind cooling refrigerator comprises the following steps：
When reaching default defrost condition, first heating member is started working；
When reaching the first preparatory condition, second heating member works simultaneously with first heating member；
When reaching default exit criteria, the heating arrangements are stopped.
7. defrosting method as claimed in claim 6, it is characterised in that the defrosting method is stopped in the heating arrangements
It is further comprising the steps of afterwards：
When reaching the second preparatory condition, refrigerator enters refrigeration mode.
8. defrosting method as claimed in claim 7, it is characterised in that first preparatory condition is the time to reach 4~6 points
Clock, and/or, second preparatory condition is to reach 6~8 minutes the time.
9. the defrosting method as any one of claim 6 to 8, it is characterised in that the temperature sensor is according to detection
To temperature information judge whether to reach defrost condition, and/or, the temperature sensor judges according to the temperature information that detects
Whether exit criteria is reached.
10. a kind of wind cooling refrigerator, it is characterised in that the refrigerator is provided with the defrost system as any one of claim 1 to 5
System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112200.0A CN105135791B (en) | 2015-03-13 | 2015-03-13 | Defrosting system, defrosting method and the wind cooling refrigerator of wind cooling refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112200.0A CN105135791B (en) | 2015-03-13 | 2015-03-13 | Defrosting system, defrosting method and the wind cooling refrigerator of wind cooling refrigerator |
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|---|---|
| CN105135791A CN105135791A (en) | 2015-12-09 |
| CN105135791B true CN105135791B (en) | 2017-10-27 |
Family
ID=54721241
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| CN201510112200.0A Active CN105135791B (en) | 2015-03-13 | 2015-03-13 | Defrosting system, defrosting method and the wind cooling refrigerator of wind cooling refrigerator |
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| CN108771485A (en) * | 2018-06-19 | 2018-11-09 | 宁波万泓科技有限公司 | A kind of intelligent heating kitchen tools and control method |
| DK3824231T3 (en) | 2018-07-17 | 2023-10-02 | Carrier Corp | LOAD SENSOR FOR REFRIGERATED CONTAINERS |
| CN108870845A (en) * | 2018-08-13 | 2018-11-23 | 长虹美菱股份有限公司 | A kind of evaporator of refrigerator defrost component and its control method |
| CN109696011B (en) * | 2018-08-24 | 2020-08-28 | 海尔智家股份有限公司 | Defrosting device and defrosting method for refrigerator |
| CN109341146A (en) * | 2018-09-27 | 2019-02-15 | 海信（山东）冰箱有限公司 | A kind of Thermal Performance of Micro Channels device assembly and refrigerator |
| CN111141008B (en) * | 2019-12-30 | 2021-09-21 | 宁波奥克斯电气股份有限公司 | Control method and control device for defrosting of air conditioner, storage medium and air conditioner |
| CN112595005A (en) * | 2020-11-17 | 2021-04-02 | 珠海格力电器股份有限公司 | Novel defrosting structure of air-cooled refrigerator and using method thereof |
| CN112797707A (en) * | 2020-12-31 | 2021-05-14 | 珠海格力电器股份有限公司 | Defrosting control method and device and air cooler unit |
| CN113028692A (en) * | 2021-03-31 | 2021-06-25 | 东北大学 | Direct type electromagnetic induction heating heat pump defrosting device and method |
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| CN105135791A (en) | 2015-12-09 |
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