CN108759177A - Evaporator assembly, the refrigerator with the assembly and refrigerator defrosting control method - Google Patents
Evaporator assembly, the refrigerator with the assembly and refrigerator defrosting control method Download PDFInfo
- Publication number
- CN108759177A CN108759177A CN201810437532.XA CN201810437532A CN108759177A CN 108759177 A CN108759177 A CN 108759177A CN 201810437532 A CN201810437532 A CN 201810437532A CN 108759177 A CN108759177 A CN 108759177A
- Authority
- CN
- China
- Prior art keywords
- evaporator
- electromagnetic induction
- refrigerator
- induction coil
- evaporator assembly
- 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.)
- Pending
Links
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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
- F25D21/004—Control mechanisms
-
- 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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
-
- 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
-
- 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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/10—Sensors measuring the temperature of the evaporator
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Defrosting Systems (AREA)
Abstract
The invention discloses a kind of evaporator assemblies, refrigerator with the assembly and refrigerator defrosting control method, the evaporator of cold is provided out when wherein involved evaporator assembly includes work, the evaporator assembly further includes the electromagnetic induction heating component for being set to the evaporator side, the electromagnetic induction heating component includes the electromagnetic induction coil being oppositely arranged and heating plate, the heating plate is made of ferrimagnet to generate the heat radiated to the evaporator when the electromagnetic induction coil forms alternating magnetic field, evaporator is heated using electromagnetic induction heating component in the present invention, electromagnetic induction method heating rate is fast, utilization rate of electrical is high, in the application scenarios of refrigerator, it can effectively shorten defrost time of evaporator, indoor temperature fluctuation amplitude during reduction refrigerator defrost.
Description
Technical field
The present invention relates to refrigerator manufacture and design field more particularly to a kind of evaporator assembly, the refrigerator with the assembly and
Refrigerator defrosting control method.
Background technology
After wind cooling refrigerator long-play, on the evaporator for providing cold can frosting to influence the transmission of cold,
Refrigeration for refrigerator performance is reduced, therefore in practical applications, it usually needs regular defrost is carried out to the evaporator of refrigerator, is routinized at present
White mode but is had the following problems using heater strip defrost using realizing with the matched heater strip heat production of evaporator：Heating
Silk heating rate is slow, efficiency is low so that the evaporator defrost time is long, can so cause temperature fluctuation in refrigerator compartment big.
In view of this, it is necessary to provide a kind of improved refrigerator defrost schemes to solve the above problems.
Invention content
The present invention is directed at least solve one of technical problem of the existing technology, for achieving the above object, this hair
Bright to provide a kind of evaporator assembly, specific design method is as follows.
A kind of evaporator assembly, including the evaporator of cold is provided out when work, the evaporator assembly further includes setting
It is placed in the electromagnetic induction heating component of the evaporator side, the electromagnetic induction heating component includes the electromagnetism sense being oppositely arranged
Coil and heating plate, the heating plate is answered to be made with when the electromagnetic induction coil forms alternating magnetic field of ferrimagnet
Generate the heat radiated to the evaporator.
Further, the electromagnetic induction coil is in flat wound shape.
Further, the heating plate in tabular and is set between the electromagnetic induction coil and the evaporator.
Further, the setting face of the evaporator, the setting face of the heating plate and setting for the electromagnetic induction coil
The face of setting is mutually parallel.
Further, the evaporator assembly further includes the temperature sensor for detecting the evaporator temperature.
Further, the evaporator assembly further include be series at the electromagnetic induction coil fuse in circuit.
Further, the fuse is Thermal Cutoffs, and the Thermal Cutoffs is placed against or near the evaporator setting.
Further, the evaporator assembly further include be oppositely arranged with the evaporator it is cold to generate the evaporator
Measure the wind turbine drained to side.
The present invention also provides a kind of refrigerator, which includes the babinet for having storing compartment, the refrigerator also have to
The supply air duct of the storing compartment transporting cold-air, the refrigerator further include providing cold for example above institute into the supply air duct
The evaporator assembly stated.
In addition, the present invention still further provides a kind of refrigerator defrost progress control method, involved refrigerator includes steaming
The control centre of device assembly and the control refrigerator operation is sent out, the evaporator assembly includes evaporator, is set to the evaporation
The electromagnetic induction heating component of device side and the temperature sensor for incuding the evaporator temperature, the electromagnetic induction add
Hot component includes the electromagnetic induction coil being oppositely arranged and heating plate, and the heating plate is made of ferrimagnet, the ice
Case defrost progress control method includes the following steps：
S1, control centre start the defrost to the evaporator and act, and the electromagnetic induction coil works to form alternating magnetic field,
The heating plate incudes heat production and provides heat to the evaporator；
The temperature T of evaporator described in S2, temperature sensor senses simultaneously feeds back to the control centre, default with the control centre
Defrost complete temperature T0 compared；As T >=T0, the electromagnetic induction coil is stopped；As T < T0, the electricity
Magnetic induction coil continue working enters step S3 to form alternating magnetic field;
S3, step S2 is repeated, until the electromagnetic induction coil is stopped.
The beneficial effects of the invention are as follows：Involved evaporator is added using electromagnetic induction heating component in the present invention
Heat, electromagnetic induction method heating rate is fast, utilization rate of electrical is high, in the application scenarios of refrigerator, can effectively shorten evaporation
The defrost time of device, indoor temperature fluctuation amplitude during reduction refrigerator defrost.
Description of the drawings
Fig. 1 show a kind of embodiment exploded perspective view of evaporator assembly of the present invention；
Fig. 2 show evaporator assembly side view；
Fig. 3 show the flow chart of refrigerator defrost process.
Specific implementation mode
Hereinafter, the present invention will be described in detail with reference to various embodiments shown in the accompanying drawings, please refers to Fig. 1 to Fig. 3 institutes
Show, for some better embodiments of the present invention.
Shown in Fig. 1, Fig. 2, involved evaporator assembly includes evaporator 1 in the present invention, and evaporator 1 works
When be provided out cold, in specific the present embodiment, evaporator 1 is made of evaporation tube 11 and several fins 12, wherein several fins
12 are arranged in array, and evaporation tube 11 is reciprocally bending to be interspersed in fin 12 and be formed with the sky flowed through for refrigerant inside evaporation tube 11
Chamber.Specifically in other embodiments of the invention, the concrete structure of evaporator 1 can also refer to other designs in the prior art
Scheme does not do tired state specifically herein.
The evaporator assembly of the present invention further includes the electromagnetic induction heating component for being set to 1 side of evaporator, specifically, electricity
Magnetic induction heating component includes the electromagnetic induction coil 2 being oppositely arranged and heating plate 3, and heating plate 3 is made of ferrimagnet,
Specifically in the present embodiment, heating plate 3 can be used the materials such as stainless steel and be made, and when electromagnetic induction coil 2 forms alternating magnetic field, add
Hot plate 3, which is located therein, can voluntarily generate heat, in some specific application scenarios, such as refrigerator, if the steaming of evaporator 1
There is frosting on hair pipe 11 or fin 12, then can generate heat by heating plate 3 carries out radiant heating to evaporator 1, to eliminate
Frosting.
The present invention is to generate eddy heating for heating using electromagnetic induction principle, and specific implementation process is：Current Voltage is through over commutation
Device is converted to direct current, and so that direct current is become high-frequency alternating current through RF power conversion equipment, and high-frequency alternating current is acted on
On the electromagnetic induction coil 2 of flat wound shape, high-frequency alternating magnetic field can be generated；When changing magnetic field is passed through by ferrimagnet system
At heating plate 3 when, that is, will produce countless small vortex, heating plate 3 made to be rapidly heated, the heating plate 3 after heating can to steam
Hair device 1 is heated, so as to carry out defrost to the frosting on evaporator 1.
In this specific embodiment, refering to what is shown in Fig. 1, electromagnetic induction coil 2 is in flat wound shape；Heating plate 3 is in tabular
And it is set between electromagnetic induction coil 2 and evaporator 1.Preferably, the setting face, heating plate 3 of evaporator 1
Setting face and the setting face of electromagnetic induction coil 2 are mutually parallel, that is, evaporator 1, heating plate 3,2 stratification of electromagnetic induction coil
Folded mode is arranged；The installation space of evaporator assembly can be so effectively reduced, and improves electromagnetic induction heat production efficiency.
Heating plate 3 is set not less than evaporator 1 in it in the projected area in its setting face as a preferred implementation manner,
Set the projected area on face.
For ease of controlling refrigerator defrosting control process, evaporator assembly further includes the temperature for detecting 1 temperature of evaporator
Sensor 6, when it is implemented, temperature sensor 6 is placed against or near the setting of evaporator 1.
In addition, evaporator assembly further include be series at electromagnetic induction coil 2 fuse 7 in circuit.It is specific at this
In embodiment, fuse 7 is Thermal Cutoffs, which is placed against or near the setting of evaporator 1；When evaporator 1 heats
When temperature anomaly, Thermal Cutoffs is disconnected to be supplied with the electric current for automatically cutting off electromagnetic induction coil 2.In other realities of the present invention
It applies in example, fuse 7 or current insurance silk, to can also automatically cut off electromagnetic induction line when current anomaly in circuit
The electric current supply of circle 2.It is, of course, understood that 2 place circuit of electromagnetic induction coil of the present invention can include that electric current is protected simultaneously
Dangerous silk and Thermal Cutoffs, to carry out dual fail-safe to the normal work of electromagnetic induction coil 2 during defrost.
The evaporator 1 of the present invention can be used as the low-temperature receiver for providing cold air when freezing, specific for ease of the cold of low-temperature receiver to be oriented to
Direction, evaporator assembly further include being oppositely arranged the wind turbine 5 that the cold to generate evaporator 1 is drained to side with evaporator 1.
In specific implementation process, wind turbine 5 is located at the both sides of evaporator 1 with heating plate 3.
In the specific implementation process of the present invention, electromagnetic induction coil 2 is additionally provided with screen away from the side of the evaporator 1
Cover layer（It is not shown in figure）, to the electromagnetic wave outside leakage for avoiding electromagnetic induction coil 2 from generating, to ensure refrigerator defrost process
In to human health no damage.Certainly, as a kind of more preferably embodiment, preferably to prevent electromagnetic-wave leakage, shielded layer
It can also extend to the side of electromagnetic induction coil 2.
The present invention also provides a kind of refrigerator, which includes the babinet for having storing compartment（It is not shown in figure）, refrigerator
Also there is the supply air duct 4 to storing compartment transporting cold-air, as shown in the figure, supply air duct 4, which has, to be connected to storing compartment
Air outlet 40, refrigerator further include the evaporator assembly that cold is provided into supply air duct 4, wherein the specific reality of evaporator assembly
It applies structure and can refer to above description.
Also there is refrigerator involved in the present invention the control centre of control refrigerator operation, refrigerator according to the present invention to control
After center controls lower normal operation for a period of time, frosting is often formed on evaporator 1, to ensure the refrigeration effect of evaporator 1,
It needs to carry out defrost defrosting operation to evaporator 1.In conjunction with shown in Fig. 3, the present invention in refrigerator defrost progress control method include with
Lower step：
S1, control centre start the defrost to evaporator 1 and act, and electromagnetic induction coil 2 works to form alternating magnetic field, heating plate
3 induction heat production simultaneously provide heat to evaporator 1.
S2,6 induction evaporation mode device 1 of temperature sensor temperature T and feed back to control centre, with the preset defrost of control centre
Temperature T0 is completed to be compared；As T >=T0, electromagnetic induction coil 2 is stopped；As T < T0, electromagnetic induction coil 2 is held
Continuous work enters step S3 to form alternating magnetic field;In the present embodiment, temperature T0 settings ranging from 2-8 is completed in defrost
DEG C, such as it is specifically configured to 5 DEG C.
S3, step S2 is repeated, until electromagnetic induction coil 2 is stopped.
In specific implementation process, the startup that defrost acts in step S1 is controlled by control centre, and usual control centre is logical
It crosses and receives defrost signal to start defrost action, the generation of specific defrost signal can refer to existing design.Such as：Defrost signal can
It is generated with timing to start defrost action, 1 frosting degree of evaporator can also be detected by testing agency and is reaching certain knot
It is generated when white degree to start defrost action, does not make specifically to be unfolded herein.
It is understood that during refrigerator defrost, evaporator 1 stops providing cold.Defrost is completed, electromagnetic induction line
After circle 2 is stopped, refrigerator can restore conventional refrigerant control, and 1 normal cooling of evaporator is specifically not described in detail here.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiment of understanding.
The series of detailed descriptions listed above only for the present invention feasible embodiment specifically
Bright, they are all without departing from equivalent implementations made by technical spirit of the present invention not to limit the scope of the invention
Or change should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of evaporator assembly, including the evaporator of cold is provided out when work, which is characterized in that the evaporator assembly
Further include the electromagnetic induction heating component for being set to the evaporator side, the electromagnetic induction heating component includes being oppositely arranged
Electromagnetic induction coil and heating plate, the heating plate be made of ferrimagnet to form friendship in the electromagnetic induction coil
The heat radiated to the evaporator is generated when varying magnetic field.
2. evaporator assembly according to claim 1, which is characterized in that the electromagnetic induction coil is in flat wound shape.
3. evaporator assembly according to claim 2, which is characterized in that the heating plate is in tabular and is set to described
Between electromagnetic induction coil and the evaporator.
4. evaporator assembly according to claim 3, which is characterized in that the setting face of the evaporator, the heating plate
Setting face and the setting face of the electromagnetic induction coil be mutually parallel.
5. evaporator assembly according to any one of claims 1-4, which is characterized in that the evaporator assembly further includes
Temperature sensor for detecting the evaporator temperature.
6. evaporator assembly according to any one of claims 1-4, which is characterized in that the evaporator assembly further includes
Be series at the electromagnetic induction coil fuse in circuit.
7. according to the evaporator assembly described in claim 6 any one, which is characterized in that the fuse is Temperature protection
Silk, the Thermal Cutoffs are placed against or near the evaporator setting.
8. evaporator assembly according to any one of claims 1-4, which is characterized in that the evaporator assembly further includes
It is oppositely arranged the wind turbine that the cold to generate the evaporator is drained to side with the evaporator.
9. a kind of refrigerator, includes the babinet with storing compartment, the refrigerator also has to the storing compartment transporting cold-air
Supply air duct, which is characterized in that the refrigerator further includes that cold such as claim 1-8 is provided into the supply air duct is any one
Evaporator assembly described in.
10. a kind of refrigerator defrost progress control method, the refrigerator includes the control of evaporator assembly and the control refrigerator operation
Center processed, which is characterized in that the evaporator assembly includes evaporator, is set to the electromagnetic induction heating of the evaporator side
Component and temperature sensor for incuding the evaporator temperature, the electromagnetic induction heating component includes being oppositely arranged
Electromagnetic induction coil and heating plate, the heating plate are made of ferrimagnet, the refrigerator defrost progress control method packet
Include following steps：
S1, control centre start the defrost to the evaporator and act, and the electromagnetic induction coil works to form alternating magnetic field,
The heating plate incudes heat production and provides heat to the evaporator；
The temperature T of evaporator described in S2, temperature sensor senses simultaneously feeds back to the control centre, default with the control centre
Defrost complete temperature T0 compared；As T >=T0, the electromagnetic induction coil is stopped；As T < T0, the electricity
Magnetic induction coil continue working enters step S3 to form alternating magnetic field;
S3, step S2 is repeated, until the electromagnetic induction coil is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810437532.XA CN108759177A (en) | 2018-05-09 | 2018-05-09 | Evaporator assembly, the refrigerator with the assembly and refrigerator defrosting control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810437532.XA CN108759177A (en) | 2018-05-09 | 2018-05-09 | Evaporator assembly, the refrigerator with the assembly and refrigerator defrosting control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108759177A true CN108759177A (en) | 2018-11-06 |
Family
ID=64009346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810437532.XA Pending CN108759177A (en) | 2018-05-09 | 2018-05-09 | Evaporator assembly, the refrigerator with the assembly and refrigerator defrosting control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108759177A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260572A (en) * | 2019-06-18 | 2019-09-20 | 陈亚军 | A kind of defroster of A/C evaporator |
| CN110567219A (en) * | 2019-10-12 | 2019-12-13 | 江苏星星家电科技有限公司 | Electromagnetic defrosting device of cold storage air cooler |
| CN111594937A (en) * | 2020-05-29 | 2020-08-28 | 宁波奥克斯电气股份有限公司 | Defrost device, method and air conditioner |
| WO2020207240A1 (en) * | 2019-04-08 | 2020-10-15 | 广东美的暖通设备有限公司 | Quick heating module and air conditioner |
| CN113661368A (en) * | 2019-04-01 | 2021-11-16 | Lg电子株式会社 | refrigerator |
| CN114157143A (en) * | 2021-12-07 | 2022-03-08 | 四川虹美智能科技有限公司 | Refrigerator constant-power defrosting circuit based on boost topological structure |
| CN114485012A (en) * | 2022-01-17 | 2022-05-13 | 珠海格力电器股份有限公司 | Electromagnetic heating sublimation defrosting device, defrosting control method, refrigeration system and equipment |
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| CN207600047U (en) * | 2017-12-04 | 2018-07-10 | 河北华航新能源开发集团有限公司 | A kind of quick ice removal |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113661368A (en) * | 2019-04-01 | 2021-11-16 | Lg电子株式会社 | refrigerator |
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| WO2020207240A1 (en) * | 2019-04-08 | 2020-10-15 | 广东美的暖通设备有限公司 | Quick heating module and air conditioner |
| CN110260572A (en) * | 2019-06-18 | 2019-09-20 | 陈亚军 | A kind of defroster of A/C evaporator |
| CN110260572B (en) * | 2019-06-18 | 2020-12-18 | 海宁市耐得照明电器有限公司 | Defrosting device of air conditioner evaporator |
| CN110567219A (en) * | 2019-10-12 | 2019-12-13 | 江苏星星家电科技有限公司 | Electromagnetic defrosting device of cold storage air cooler |
| CN111594937A (en) * | 2020-05-29 | 2020-08-28 | 宁波奥克斯电气股份有限公司 | Defrost device, method and air conditioner |
| CN111594937B (en) * | 2020-05-29 | 2022-01-21 | 宁波奥克斯电气股份有限公司 | Defrosting device and method and air conditioner |
| CN114157143A (en) * | 2021-12-07 | 2022-03-08 | 四川虹美智能科技有限公司 | Refrigerator constant-power defrosting circuit based on boost topological structure |
| CN114485012A (en) * | 2022-01-17 | 2022-05-13 | 珠海格力电器股份有限公司 | Electromagnetic heating sublimation defrosting device, defrosting control method, refrigeration system and equipment |
| CN114485012B (en) * | 2022-01-17 | 2023-10-20 | 珠海格力电器股份有限公司 | Electromagnetic heating sublimation defrosting device, defrosting control method, refrigeration system and equipment |
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Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant before: Qingdao Haier Joint Stock Co.,Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20181106 |