CN108800731A - Evaporator assemblies, the refrigerator with the component and refrigerator defrosting control method - Google Patents
Evaporator assemblies, the refrigerator with the component and refrigerator defrosting control method Download PDFInfo
- Publication number
- CN108800731A CN108800731A CN201810437534.9A CN201810437534A CN108800731A CN 108800731 A CN108800731 A CN 108800731A CN 201810437534 A CN201810437534 A CN 201810437534A CN 108800731 A CN108800731 A CN 108800731A
- Authority
- CN
- China
- Prior art keywords
- evaporator
- electromagnetic induction
- refrigerator
- induction coil
- evaporator assemblies
- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/006—General constructional features for mounting refrigerating machinery components
-
- 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
-
- 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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
Abstract
The invention discloses a kind of evaporator assemblies,Refrigerator with the component and refrigerator defrosting control method,The evaporator of cold is provided out when wherein involved evaporator assemblies include work,The evaporator has is made electromagnetic induction heating portion by ferrimagnet,The evaporator assemblies further include the electromagnetic induction coil for being set to electromagnetic induction heating portion side,When the electromagnetic induction coil forms alternating magnetic field,The electromagnetic induction heating portion induction heating is to heat the evaporator,Involved evaporator has electromagnetic induction heating portion and electromagnetic induction coil in the present invention,In refrigerator application scenarios,Alternating magnetic field is generated by electromagnetic induction coil, and the heating defrost to evaporator can be realized,Electromagnetic induction method heating rate is fast,Utilization rate of electrical is high,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 assemblies, the refrigerator with the component 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 assemblies, specific design method is as follows.
A kind of evaporator assemblies, including the evaporator of cold is provided out when work, the evaporator has by ferromagnetism
Electromagnetic induction heating portion is made in material, and the evaporator assemblies further include the electromagnetism for being set to electromagnetic induction heating portion side
Induction coil, when the electromagnetic induction coil forms alternating magnetic field, the electromagnetic induction heating portion induction heating is with to the steaming
Send out device heating.
Further, there is the evaporator evaporation tube flowed for refrigerant, the evaporation tube to constitute the electromagnetic induction and add
Hot portion.
Further, the electromagnetic induction coil is in flat wound shape.
Further, the electromagnetic induction coil is additionally provided with the shielding for shielding electromagnetism away from the side of the evaporator
Layer.
Further, the evaporator assemblies further include the temperature sensor for detecting the evaporator temperature.
Further, the evaporator assemblies 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 assemblies 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 assemblies stated.
In addition, the present invention still further provides a kind of refrigerator defrost progress control method, involved refrigerator includes steaming
Send out the control centre of device assembly and the control refrigerator operation, wherein the evaporator assemblies include evaporator, the evaporator
With electromagnetic induction heating portion is made by ferrimagnet, the evaporator assemblies further include being set to the electromagnetic induction heating
The electromagnetic induction coil of portion side, the refrigerator defrost progress control method include 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 electromagnetic induction heating portion induction heating is to heat 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 has electromagnetic induction heating portion and electromagnetic induction in the present invention
Coil generates alternating magnetic field by electromagnetic induction coil and the heating defrost to evaporator can be realized in refrigerator application scenarios,
Electromagnetic induction method heating rate is fast, utilization rate of electrical is high, can effectively shorten defrost time of evaporator, reduces refrigerator defrost
Indoor temperature fluctuation amplitude in the process.
Description of the drawings
Fig. 1 show a kind of embodiment exploded perspective view of evaporator assemblies of the present invention；
Fig. 2 show evaporator assemblies 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 assemblies include 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.In other embodiments of the invention, the concrete structure of evaporator 1 can also refer to other design sides in the prior art
Case does not do tired state specifically herein.
Involved evaporator 1 has in the present invention is made electromagnetic induction heating portion by ferrimagnet, specifically in this reality
It applies in example, evaporation tube 11 constitutes electromagnetic induction heating portion, in other embodiments of the present invention, electromagnetic induction heating portion
It can be made of fin 12.In this present embodiment, evaporation tube 11 can be used the materials such as stainless steel and be made.
Evaporator assemblies according to the present invention further include being set to electromagnetic induction heating portion（Evaporation i.e. in the present embodiment
Pipe 11）The electromagnetic induction coil 2 of side, when electromagnetic induction coil 2 forms alternating magnetic field, electromagnetic induction heating portion（That is this implementation
Evaporation tube 11 in example）Induction heating is to heat evaporator 1.In some specific application scenarios, such as in refrigerator, such as
There are frosting, electromagnetic induction heating portion on the evaporation tube 11 or fin 12 of fruit evaporator 1（Evaporation tube 11 i.e. in the present embodiment）Production
Heat amount whole to evaporator 1 can heat.
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 electromagnetic induction heating portion（Evaporation tube 11 i.e. in the present embodiment）When, that is, countless small vortex is will produce, electromagnetic induction is made
Heating part is rapidly heated, and the electromagnetic induction heating portion after heating whole to evaporator 1 can be heated, so as to evaporator
Frosting on 1 carries out defrost.
In this specific embodiment, refering to what is shown in Fig. 1, electromagnetic induction coil 2 is in flat wound shape；As a kind of preferred implementation
Mode, electromagnetic induction heating portion（Evaporation tube 11 i.e. in the present embodiment）Place plane is put down where being parallel to electromagnetic induction coil 2
Face, can so effectively reduce the installation space of evaporator assemblies, and improve electromagnetic induction heat production efficiency.
In the specific implementation process of the present invention, electromagnetic induction coil 2 is additionally provided with shielded layer away from the side of evaporator 1
（It is not shown in figure）, right during refrigerator defrost to ensure to the electromagnetic wave outside leakage for avoiding electromagnetic induction coil 2 from generating
Human health no damage.Certainly, as a kind of more preferably embodiment, preferably electromagnetic-wave leakage, shielded layer to be prevented also may be used
To extend to the side of electromagnetic induction coil 2.
For ease of controlling refrigerator defrosting control process, evaporator assemblies further include the temperature for detecting 1 temperature of evaporator
Sensor 5, when it is implemented, temperature sensor 5 is placed against or near the setting of evaporator 1.
In addition, evaporator assemblies further include be series at electromagnetic induction coil 2 fuse 6 in circuit.It is specific at this
In embodiment, fuse 6 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 6 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 assemblies further include being oppositely arranged the wind turbine 4 that the cold to generate evaporator 1 is drained to side with evaporator 1.
In specific implementation process, wind turbine 4 is located at the both sides of evaporator 1 with 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 3 to storing compartment transporting cold-air, as shown in the figure, supply air duct 3, which has, to be connected to storing compartment
Air outlet 30, refrigerator further include the evaporator assemblies that cold is provided into supply air duct 3, wherein the specific reality of evaporator assemblies
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, electromagnetism sense
Answer heating part（Evaporation tube 11 i.e. in the present embodiment）Incude heat production and to evaporator 1（Including evaporation tube 11 itself and fin 12）
Heat is provided.
S2,5 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, can refer to existing refrigerator defrosting control process.
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 assemblies, including the evaporator of cold is provided out when work, which is characterized in that the evaporator has
Electromagnetic induction heating portion is made by ferrimagnet, the evaporator assemblies further include being set to the electromagnetic induction heating portion one
The electromagnetic induction coil of side, when the electromagnetic induction coil forms alternating magnetic field, the electromagnetic induction heating portion induction heating with
The evaporator is heated.
2. evaporator assemblies according to claim 1, which is characterized in that the evaporator has the evaporation flowed for refrigerant
Pipe, the evaporation tube constitute the electromagnetic induction heating portion.
3. evaporator assemblies according to claim 2, which is characterized in that the electromagnetic induction coil is in flat wound shape.
4. evaporator assemblies according to claim 3, which is characterized in that the electromagnetic induction coil deviates from the evaporator
Side be additionally provided with the shielded layer for shielding electromagnetism.
5. evaporator assemblies according to any one of claims 1-4, which is characterized in that the evaporator assemblies further include
Temperature sensor for detecting the evaporator temperature.
6. evaporator assemblies according to any one of claims 1-4, which is characterized in that the evaporator assemblies further include
Be series at the electromagnetic induction coil fuse in circuit.
7. according to the evaporator assemblies 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 assemblies according to any one of claims 1-4, which is characterized in that the evaporator assemblies further include
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 assemblies described in.
10. a kind of refrigerator defrost progress control method, the refrigerator includes the control of evaporator assemblies and the control refrigerator operation
Center processed, which is characterized in that the evaporator assemblies include evaporator, and the evaporator has is made electromagnetism by ferrimagnet
Sensing heating portion, the evaporator assemblies further include the electromagnetic induction coil for being set to electromagnetic induction heating portion side, institute
Refrigerator defrost progress control method is stated to include 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 electromagnetic induction heating portion induction heating is to heat 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 |
|---|---|---|---|
| CN201810437534.9A CN108800731A (en) | 2018-05-09 | 2018-05-09 | Evaporator assemblies, the refrigerator with the component and refrigerator defrosting control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810437534.9A CN108800731A (en) | 2018-05-09 | 2018-05-09 | Evaporator assemblies, the refrigerator with the component and refrigerator defrosting control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108800731A true CN108800731A (en) | 2018-11-13 |
Family
ID=64092128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810437534.9A Pending CN108800731A (en) | 2018-05-09 | 2018-05-09 | Evaporator assemblies, the refrigerator with the component and refrigerator defrosting control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108800731A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797706A (en) * | 2019-11-14 | 2021-05-14 | 青岛海尔电冰箱有限公司 | Refrigerator and defrosting control method thereof |
| CN112833606A (en) * | 2019-11-25 | 2021-05-25 | 青岛海尔电冰箱有限公司 | Evaporator assembly, refrigerator and control method of refrigerator |
| CN113357871A (en) * | 2020-03-06 | 2021-09-07 | 青岛海尔智能技术研发有限公司 | Method and device for defrosting evaporator of refrigerator and refrigerator |
| CN113432369A (en) * | 2021-07-28 | 2021-09-24 | 浙江高翔工贸有限公司 | Electromagnetic defrosting air cooler |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112797706A (en) * | 2019-11-14 | 2021-05-14 | 青岛海尔电冰箱有限公司 | Refrigerator and defrosting control method thereof |
| CN112833606A (en) * | 2019-11-25 | 2021-05-25 | 青岛海尔电冰箱有限公司 | Evaporator assembly, refrigerator and control method of refrigerator |
| CN112833606B (en) * | 2019-11-25 | 2022-11-04 | 青岛海尔电冰箱有限公司 | Evaporator assembly, refrigerator and control method of refrigerator |
| CN113357871A (en) * | 2020-03-06 | 2021-09-07 | 青岛海尔智能技术研发有限公司 | Method and device for defrosting evaporator of refrigerator and refrigerator |
| CN113357871B (en) * | 2020-03-06 | 2024-04-16 | 青岛海尔智能技术研发有限公司 | Method and device for defrosting refrigerator evaporator and refrigerator |
| CN113432369A (en) * | 2021-07-28 | 2021-09-24 | 浙江高翔工贸有限公司 | Electromagnetic defrosting air cooler |
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Application publication date: 20181113 |
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