CN109990546A - A kind of refrigerator frost removing method and device - Google Patents
A kind of refrigerator frost removing method and device Download PDFInfo
- Publication number
- CN109990546A CN109990546A CN201910251959.5A CN201910251959A CN109990546A CN 109990546 A CN109990546 A CN 109990546A CN 201910251959 A CN201910251959 A CN 201910251959A CN 109990546 A CN109990546 A CN 109990546A
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- CN
- China
- Prior art keywords
- refrigerator
- controller
- pressure
- electric heater
- compressor
- 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
- 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
Abstract
The invention discloses a kind of refrigerator frost removing method and devices.It is related to Defrost technology for refrigerator field.The present invention includes being answered back wind pressure situation real-time monitoring by pressure sensor to refrigerator freezing mask；Controller judges whether pressure data is less than or equal to pressure threshold * 80%；If so, the compressor and refrigeration motor and opening electric heater of controller control closing refrigerator, while controller control obtains the temperature data for being mounted on the temperature sensor monitoring on evaporator top；Controller judges whether temperature data reaches temperature threshold；If so, electric heater stops heating.Whether the present invention is simultaneously greater than etc. and pressure threshold * 80% by judge the wind pressure data of pressure sensor transmitting；Judge the frosting situation of current evaporator surface, timely opening electric heater defrosting effectively controls evaporator surface frosting degree, keeps defroster more reasonable, improves refrigeration for refrigerator efficiency.
Description
Technical field
The invention belongs to Defrost technology for refrigerator fields, more particularly to a kind of refrigerator frost removing method and device.
Background technique
With deepening continuously for energy-saving and emission-reduction idea, the energy conservation and environmental protection of household electric refrigerator electricity consumption device itself also increasingly by
Pay attention to.Frost-free refrigerator-freezer usually configures defrosting electric heater, generally in the case that evaporator surface frosting degree is more, refrigerator
Refrigerating efficiency will be greatly reduced.Current defrosting rule can not accurately defrost in time, can reduce refrigerator to a certain extent
Efficiency causes the waste of data.
The present invention provides a kind of refrigerator frost removing method and device, can monitor the frosting situation of evaporator surface very well,
It timely and effectively defrosts, improve parallel refrigerating efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of refrigerator frost removing method and devices, by judging pressure sensor transmitting
Whether wind pressure data is greater than etc. and pressure threshold * 80%, it is determined whether the compressor and refrigeration motor of closing refrigerator and opens electricity
Heater；Simultaneously by judging whether the temperature data of temperature sensor transmitting is greater than temperature threshold, it is determined whether added by electricity
Hot device continuous heating realizes the real-time monitoring of the frosting situation to evaporator surface, and guarantee timely and effectively defrosts, and solves to steam
Refrigerating efficiency reduction problem caused by hair device knot expire frost and cannot defrost in time.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of refrigerator frost removing method, is included the following steps:
Step 1: it is answered back by pressure sensor to refrigerator freezing mask and wind pressure situation real-time monitoring and transmits the pressure of monitoring
Force data is to controller, at this point, compressor and refrigeration motor are open state and electric heater is in off state；
Step 2: the controller judges whether pressure data is less than or equal to pressure threshold * 80%；If so, executing step
Rapid four；If it is not, executing step 3；
Step 3: keeping compressor and refrigeration motor is current state and electric heater is kept to close；
Step 4: the compressor and refrigeration motor and opening electric heater of the controller control closing refrigerator are held simultaneously
Row step 5；
Step 5: the controller control obtains the temperature data for being mounted on the temperature sensor monitoring on evaporator top；
Step 6: the controller judges whether temperature data reaches temperature threshold；If so, electric heater stops adding
Heat；If it is not, electric heater continuous heating.
Preferably, the pressure threshold are as follows: the pressure sensor monitors in refrigerator powers on stable rear hour
Maximum pressure value；The temperature threshold is 0 DEG C.
Preferably, compressor and refrigeration in the current state and step 1 of compressor and refrigeration motor are kept in step 3
Motor status is identical；Compressor and refrigeration motor are open state in step 1 and electric heater is in off state.
A kind of defrosting appts. for refrigerators is passed including controller and the pressure sensor being electrically connected with controller, temperature
Sensor and electric heater；
The pressure sensor is mounted on refrigerator freezing fan housing return air inlet, for wind pressure data at real-time monitoring return air inlet；
The temperature sensor is mounted on evaporator top, the temperature data for real-time monitoring evaporator；
The controller passes through judge whether the wind pressure data of pressure sensor transmitting is greater than etc. and pressure threshold * 80%,
Determine whether the compressor and refrigeration motor and opening electric heater of closing refrigerator；
The controller, which passes through, judges whether the temperature data of temperature sensor transmitting is greater than temperature threshold, it is determined whether logical
Cross electric heater continuous heating.
Preferably, the controller is also electrically connected with the compressor of refrigerator and refrigeration motor respectively；The controller
It is also used to monitor the switch of compressor, refrigeration motor and electric heater.
The invention has the following advantages:
The present invention is by installing pressure sensor, and the wind by judging pressure sensor transmitting in freezing mask return air inlet
Whether pressure data are greater than equal with pressure threshold * 80%, it is determined whether the compressor and refrigeration motor of closing refrigerator and open electricity and add
Hot device；Whether mounting temperature sensor on an evaporator simultaneously is greater than temperature by the temperature data for judge that temperature sensor transmits
Spend threshold value；The frosting situation of current evaporator surface is judged after handling by analysis, timely opening electric heater defrosting is effectively controlled
Evaporator surface frosting degree processed, keeps defroster more reasonable；Compared to traditional defroster, the present invention has intelligent, timely
Change and the short feature of defrosting time improve refrigeration for refrigerator efficiency.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of flow chart of refrigerator frost removing method in the present invention；
Fig. 2 is a kind of structural schematic diagram of defrosting appts. for refrigerators in the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, the indicating positions such as term " on " or positional relationship, merely to just
In the description present invention and simplify description, rather than the component or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Specific embodiment one:
Refering to Figure 1, the present invention is a kind of refrigerator frost removing method, include the following steps:
Step 1: it is answered back by pressure sensor 1 to refrigerator freezing mask and wind pressure situation real-time monitoring and transmits monitoring
Pressure data is to controller 3, at this point, compressor and refrigeration motor are open state and electric heater 2 is in off state；
Step 2: controller 3 judges whether pressure data is less than or equal to pressure threshold * 80%；If so, thening follow the steps
Four；If it is not, executing step 3；
Step 3: keeping compressor and refrigeration motor is current state and electric heater 2 is kept to close；
Step 4: the compressor and refrigeration motor and opening electric heater 2 of the control closing refrigerator of controller 3 are performed simultaneously
Step 5；
Step 5: the control of controller 3, which obtains, is mounted on the temperature data that the temperature sensor 4 on 5 top of evaporator monitors；
Step 6: controller 3 judges whether temperature data reaches temperature threshold；If so, electric heater 2 stops heating；
If it is not, 2 continuous heating of electric heater.
Wherein, pressure threshold are as follows: pressure sensor 1 powers on the stable maximum pressure monitored in 4 hours afterwards in refrigerator
Force value；Temperature threshold is 0 DEG C.
Wherein, compressor and refrigeration electricity in the current state and step 1 of compressor and refrigeration motor are kept in step 3
Machine state is identical；Compressor and refrigeration motor are open state in step 1 and electric heater 2 is in off state.
It please refers to shown in Fig. 2, a kind of defrosting appts. for refrigerators, including controller 3 and the pressure being electrically connected with controller 3
Force snesor 1, temperature sensor 4 and electric heater 2；
Pressure sensor 1 is mounted on refrigerator freezing fan housing return air inlet, for wind pressure data at real-time monitoring return air inlet；Temperature
Sensor 4 is mounted on 5 top of evaporator, the temperature data for real-time monitoring evaporator 5；
Controller 3 passes through judge whether wind pressure data that pressure sensor 1 transmits is greater than etc. and pressure threshold * 80%, really
It is fixed whether the compressor and refrigeration motor and opening electric heater 2 of closing refrigerator；
Controller 3 passes through whether the temperature data for judging that temperature sensor 4 transmits is greater than temperature threshold, it is determined whether passes through
2 continuous heating of electric heater.
Wherein, controller 3 is also electrically connected with the compressor of refrigerator and refrigeration motor respectively；Controller 3 is also used to supervise
The switch of measured compressed machine, refrigeration motor and electric heater 2.
The present invention is in actual use: installing pressure sensor in freezing mask return air inlet by crossing, and by sentencing
Whether the wind pressure data of disconnected pressure sensor transmitting is greater than equal and pressure threshold * 80%, it is determined whether the compressor of closing refrigerator
With refrigeration motor and opening electric heater；Mounting temperature sensor on an evaporator simultaneously, by judge temperature sensor transmitting
Temperature data whether be greater than temperature threshold；The frosting situation for judging current evaporator surface after analysis is handled is crossed, is opened in time
Electric heater defrosting, effectively controls evaporator surface frosting degree, keeps defroster more reasonable.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (5)
1. a kind of refrigerator frost removing method, which comprises the steps of:
Step 1: it is answered back by pressure sensor (1) to refrigerator freezing mask and wind pressure situation real-time monitoring and transmits the pressure of monitoring
Force data is to controller (3)；
Step 2: the controller (3) judges whether pressure data is less than or equal to pressure threshold * 80%；If so, thening follow the steps
Four；If it is not, executing step 3；
Step 3: keeping compressor and refrigeration motor is current state and electric heater (2) is kept to close；
Step 4: the compressor and refrigeration motor and opening electric heater (2) of controller (3) the control closing refrigerator, simultaneously
Execute step 5；
Step 5: controller (3) control obtains the temperature for being mounted on temperature sensor (4) monitoring on evaporator (5) top
Data；
Step 6: the controller (3) judges whether temperature data reaches temperature threshold；If so, electric heater (2) stops adding
Heat；If it is not, electric heater (2) continuous heating.
2. a kind of refrigerator frost removing method according to claim 1, which is characterized in that the pressure threshold are as follows: the pressure
Force snesor (1) powers on the stable maximum pressure value monitored in 4 hours afterwards in refrigerator；The temperature threshold is 0 DEG C.
3. a kind of refrigerator frost removing method according to claim 1, which is characterized in that keep compressor and system in step 3
The current state of cool electric machine is identical as compressor in step 1 and refrigeration motor state；Compressor and refrigeration electricity in step 1
Machine is open state and electric heater (2) is in off state.
4. a kind of defrosting appts. for refrigerators as described in claim 1-3 is any one, which is characterized in that including controller (3) with
And pressure sensor (1), temperature sensor (4) and the electric heater (2) being electrically connected with controller (3)；
The pressure sensor (1) is mounted on refrigerator freezing fan housing return air inlet, for wind pressure data at real-time monitoring return air inlet；Institute
It states temperature sensor (4) and is mounted on evaporator (5) top, be used for the temperature data of real-time monitoring evaporator (5)；
The controller (3) passes through judge whether the wind pressure data of pressure sensor (1) transmitting is greater than etc. and pressure threshold *
80%, it is determined whether the compressor and refrigeration motor and opening electric heater (2) of closing refrigerator；
The controller (3), which passes through, judges whether the temperature data of temperature sensor (4) transmitting is greater than temperature threshold, it is determined whether
Pass through electric heater (2) continuous heating.
5. a kind of defrosting appts. for refrigerators according to claim 4, which is characterized in that the controller (3) also respectively with
The compressor and refrigeration motor of refrigerator are electrically connected；The controller (3) is also used to monitor compressor, refrigeration motor and electricity
The switch of heater (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910251959.5A CN109990546B (en) | 2019-03-29 | 2019-03-29 | Defrosting method and device for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910251959.5A CN109990546B (en) | 2019-03-29 | 2019-03-29 | Defrosting method and device for refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109990546A true CN109990546A (en) | 2019-07-09 |
| CN109990546B CN109990546B (en) | 2021-04-09 |
Family
ID=67131943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910251959.5A Active CN109990546B (en) | 2019-03-29 | 2019-03-29 | Defrosting method and device for refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109990546B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10170020A (en) * | 1996-12-06 | 1998-06-26 | Toyo Eng Works Ltd | Forced draft air conditioner |
| KR20020009733A (en) * | 2000-07-26 | 2002-02-02 | 윤종용 | Refrigerator |
| CN105091457A (en) * | 2015-07-31 | 2015-11-25 | 合肥美的电冰箱有限公司 | Air cooling refrigerator and control method and control system thereof |
| CN106123446A (en) * | 2016-08-31 | 2016-11-16 | 合肥美菱股份有限公司 | A kind of wind cooling refrigerator and control method thereof |
| CN106595215A (en) * | 2016-11-11 | 2017-04-26 | 青岛海尔股份有限公司 | Defrosting control method and device of air-cooled refrigerator |
| CN106895642A (en) * | 2017-02-15 | 2017-06-27 | 合肥美的电冰箱有限公司 | The refrigeration air-supply amount control method of wind cooling refrigerator and wind cooling refrigerator |
| KR20180009670A (en) * | 2016-07-19 | 2018-01-29 | 엘지전자 주식회사 | Defrosting apparatus and refrigerator including the same |
| CN108151367A (en) * | 2017-12-25 | 2018-06-12 | 北京中矿博能节能科技有限公司 | Direct-cooling type depth enthalpy takes hot idle air heat pump system defrosting group control method |
| US20180164020A1 (en) * | 2016-12-13 | 2018-06-14 | Whirlpool Corporation | Refrigeration appliance fan |
-
2019
- 2019-03-29 CN CN201910251959.5A patent/CN109990546B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10170020A (en) * | 1996-12-06 | 1998-06-26 | Toyo Eng Works Ltd | Forced draft air conditioner |
| KR20020009733A (en) * | 2000-07-26 | 2002-02-02 | 윤종용 | Refrigerator |
| KR100337292B1 (en) * | 2000-07-26 | 2002-05-17 | 윤종용 | Refrigerator |
| CN105091457A (en) * | 2015-07-31 | 2015-11-25 | 合肥美的电冰箱有限公司 | Air cooling refrigerator and control method and control system thereof |
| KR20180009670A (en) * | 2016-07-19 | 2018-01-29 | 엘지전자 주식회사 | Defrosting apparatus and refrigerator including the same |
| CN106123446A (en) * | 2016-08-31 | 2016-11-16 | 合肥美菱股份有限公司 | A kind of wind cooling refrigerator and control method thereof |
| CN106595215A (en) * | 2016-11-11 | 2017-04-26 | 青岛海尔股份有限公司 | Defrosting control method and device of air-cooled refrigerator |
| US20180164020A1 (en) * | 2016-12-13 | 2018-06-14 | Whirlpool Corporation | Refrigeration appliance fan |
| CN106895642A (en) * | 2017-02-15 | 2017-06-27 | 合肥美的电冰箱有限公司 | The refrigeration air-supply amount control method of wind cooling refrigerator and wind cooling refrigerator |
| CN108151367A (en) * | 2017-12-25 | 2018-06-12 | 北京中矿博能节能科技有限公司 | Direct-cooling type depth enthalpy takes hot idle air heat pump system defrosting group control method |
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| Publication number | Publication date |
|---|---|
| CN109990546B (en) | 2021-04-09 |
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