CN105004127B - Refrigerator and its defrosting control method - Google Patents
Refrigerator and its defrosting control method Download PDFInfo
- Publication number
- CN105004127B CN105004127B CN201510458917.0A CN201510458917A CN105004127B CN 105004127 B CN105004127 B CN 105004127B CN 201510458917 A CN201510458917 A CN 201510458917A CN 105004127 B CN105004127 B CN 105004127B
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- temperature
- preset value
- evaporator
- control panel
- refrigerator
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
Abstract
The present invention provides a kind of refrigerators, including compressor, evaporator, the heater strip to remove the frost on the evaporator and the control panel opened or closed to control the heater strip, it is provided with Temperature Humidity Sensor on the evaporator, to detect to the temperature and humidity around evaporator.The invention also includes the defrosting control methods of above-mentioned refrigerator, one Temperature Humidity Sensor is provided, the Temperature Humidity Sensor detects the temperature and humidity around the evaporator, the temperature signal and moisture signal that the Temperature Humidity Sensor will test send the control panel to, the temperature signal received and moisture signal are compared by the control panel with preset value, to control opening or closing for the heater strip and the compressor.Refrigerator structure of the invention is simple, and defrosting control method is simple, can reduce cost with energy saving.
Description
Technical field
The present invention relates to a kind of refrigerator and its defrosting control methods.
Background technique
Existing freezer frost is generally equipped with timer on refrigerator, and the defrost period of refrigerator is fixed.However refrigerator
The condition of operation not exclusively, sometimes only has seldom frost on evaporator, refrigerator just enters the defrost stage, sometimes evaporates
Many frosts are had accumulated on device, refrigerator does not enter the defrost stage also, either way will cause the waste of the energy.
Also occur at present according to the factors control such as the operating ambient temperature of refrigerator, ambient humidity, door opening times and opening time
Whether ice making box carries out the defrosting control method of defrost, these methods improve the efficiency of defrost to a certain extent, but need
The factor to be considered is more, and method is complicated, and leads to refrigerator higher cost.
In view of this, it is necessary to existing refrigerator and its defrosting control method be improved, to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of refrigerator and its defrosting control methods, to solve current refrigerator in defrosting process
In caused by energy waste the problem of, and defrosting control method is simple, and cost is relatively low for refrigerator.
For achieving the above object, the present invention provides a kind of refrigerator, including compressor, evaporator, to remove
The heater strip of the frost on evaporator and the control panel that opens or closes to control the heater strip are stated, is arranged on the evaporator
There is Temperature Humidity Sensor, to be detected to the temperature and humidity around evaporator, what the Temperature Humidity Sensor will test
Temperature signal and moisture signal send the control panel to, control opening for the heater strip and the compressor by the control panel
It opens or closes.
As a further improvement of the present invention, the lower section of the evaporator is arranged in the heater strip, and the temperature and humidity passes
Sensor be arranged on the evaporator and with heater strip setting spaced apart.
For achieving the above object, the present invention also provides a kind of defrosting control method of refrigerator, the refrigerator includes pressure
Contracting machine, evaporator, the heater strip to remove the frost on evaporator and the control opened or closed to control the heater strip
The defrosting control method of plate, the refrigerator mainly comprises the steps that
One Temperature Humidity Sensor is provided, the Temperature Humidity Sensor to the temperature and humidity around the evaporator respectively into
Row detection；
The temperature signal and moisture signal that the Temperature Humidity Sensor will test send the control panel to；
The temperature signal received and moisture signal are compared by the control panel with preset value, to control the heating
Silk is opened or closed with the compressor.
As a further improvement of the present invention, the preset value includes the first preset value and the second preset value, the refrigerator
Defrosting control method further comprise: if temperature signal and moisture signal that control panel receives are lower than, to be equal to first default
Value, then control panel controls the heater strip unlatching, compressor is closed, and refrigerator enters defrost pattern；If the temperature that control panel receives
It spends signal and moisture signal is higher than the second preset value, then control panel controls the heater strip closing, compressor is opened, and refrigerator enters
Refrigeration mode.
As a further improvement of the present invention, first preset value includes that the first temperature preset value and the first humidity are default
Value, the first temperature values are -10 DEG C ~ -30 DEG C, and the first humidity values are 25%RH ~ 45%RH.
As a further improvement of the present invention, second preset value includes that second temperature preset value and the second humidity are default
Value, the second temperature values are 0 DEG C ~ 15 DEG C, and the second humidity values are 60%RH ~ 80%RH.
As a further improvement of the present invention, it is preset if the temperature signal that control panel receives is lower than equal to the first temperature
Value, while moisture signal is lower than equal to the first humidity preset value, then control panel controls the heater strip unlatching, compressor is closed,
Refrigerator enters defrost pattern.
As a further improvement of the present invention, if the temperature signal that control panel receives is higher than second temperature preset value, together
When moisture signal be higher than the second humidity preset value, then control panel controls that the heater strip is closed, compressor is opened, and refrigerator enters system
Cold mode.
As a further improvement of the present invention, the lower section of the evaporator is arranged in the heater strip, and the temperature and humidity passes
Sensor be arranged on the evaporator and with heater strip setting spaced apart.
The beneficial effects of the present invention are: refrigerator and its defrosting control method of the invention, by the way that temperature is arranged on an evaporator
Humidity sensor, to detect to the temperature and humidity around evaporator, control panel can be examined according to Temperature Humidity Sensor as a result,
The comparison result of the temperature and humidity signal and preset value that measure controls unlatching or the pass of the heater strip and the compressor
It closes, such design is so that the frost of refrigerator only on an evaporator carries out defrost when accumulating to a certain extent, and is reduced to one in frost
Determine to freeze when degree, not only reduce energy waste, and structure is simple, method is simple, and cost is relatively low.
Detailed description of the invention
Fig. 1 is evaporator of refrigerator structural schematic diagram of the present invention；
Fig. 2 is defroster control method flow chart of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The present invention is described in detail.
As shown in Figure 1, refrigerator of the invention includes compressor (not shown), evaporator 1, to remove the evaporator 1
On frost heater strip 2 and the control panel (not shown) that is opened or closed to control the heater strip 2.
The heater strip 2 is located at the lower section of the evaporator 1.
It is provided with Temperature Humidity Sensor 3 on the evaporator 1, to detect to the temperature and humidity around evaporator 1.
The Temperature Humidity Sensor 3 is arranged on evaporator 1, and in the present embodiment, and the Temperature Humidity Sensor 3 is arranged in the steaming
Send out the top of device 1；Certainly, in other embodiments, the specific location of the Temperature Humidity Sensor 3 can carry out according to actual needs
Selection, as long as the Temperature Humidity Sensor 3 and the heater strip 2 are spaced apart.Temperature Humidity Sensor 3 and heater strip
2 settings spaced apart are in order to avoid leading to temperature and humidity sensing because 2 surface temperature of heater strip is excessively high in abnormal cases
The case where device 3 damages.The Temperature Humidity Sensor 3 sends the temperature signal received and moisture signal to the control
Plate controls opening or closing for the heater strip 2 and the compressor by the control panel.
As shown in Fig. 2, refrigerator of the invention is when being defrosted, mainly including the following steps:
A Temperature Humidity Sensor 3 is provided, the Temperature Humidity Sensor 3 is to the temperature and humidity around the evaporator 1 point
It is not detected；
The temperature signal and moisture signal that the Temperature Humidity Sensor 3 will test send the control panel to；
The temperature signal received and moisture signal are compared by the control panel with preset value, to control the heating
Silk 2 and the compressor open or close；The preset value includes the first preset value and the second preset value, and the first preset value
It can be according to the Bu Tong autonomous selection setting of the structure, model of refrigerator with the second preset value；
If temperature signal and moisture signal that control panel receives, which are lower than, is equal to the first preset value, described in control panel control
Heater strip 2 is opened, the compressor is closed, into defrost pattern；If the temperature signal and moisture signal that control panel receives are high
In the second preset value, then control panel controls the closing of heater strip 2, the compressor is opened, into refrigeration mode.
First preset value includes the first temperature preset value and the first humidity preset value, and second preset value includes the
Two temperature preset values and the second humidity preset value.The first temperature values are -10 DEG C ~ -30 DEG C, first humidity
Values are 25%RH ~ 45%RH, and the second temperature values are 0 DEG C ~ 15 DEG C, the second humidity preset value model
It encloses for 60%RH ~ 80%RH.Certainly, the first temperature preset value, the first humidity preset value, second temperature preset value and second are wet
Degree preset value can according to need any one numerical value in range of choice, as long as can guarantee frost of the refrigerator on the evaporator 1
Enter defrost pattern when influencing refrigeration for refrigerator efficiency, enters refrigeration when the frost on the evaporator 1 is reduced to a certain extent
Mode.
In the present embodiment, the control panel is by the temperature signal received and moisture signal while pre- with the first temperature respectively
If value and the first humidity preset value are compared, and are only lower than in temperature signal and are equal to the first temperature preset value, while humidity
Signal is lower than when being equal to the first humidity preset value, and control panel can just control that the heater strip 2 is opened, compressor is closed, refrigerator into
Enter defrost pattern.That is: if only one of temperature signal and moisture signal are lower than corresponding preset value is equal to, then controlling
Making sheet will not control the unlatching of heater strip 2, and heater strip 2 keeps closed state at this time, compressor keeps open state.
Similarly, if the temperature signal that control panel receives is higher than second temperature preset value, while moisture signal is default higher than the second humidity
When value, control panel can just control the closing of heater strip 2, compressor is opened, and refrigerator enters refrigeration mode.
Refrigerator and its defrosting control method of the invention, by the way that Temperature Humidity Sensor 3 is arranged on evaporator 1, to steaming
Temperature and humidity around hair device 1 is detected, the temperature signal that control panel can be detected according to Temperature Humidity Sensor 3 as a result,
Opening or closing for the heater strip 2 and the compressor is controlled with the comparison result of moisture signal and preset value, it is such
Design so that refrigerator only the frost accumulation on evaporator 1 to a certain extent when carry out defrost, and when frost is reduced to a certain extent
Freeze, not only reduce energy waste, and structure is simple, method is simple, and cost is relatively low.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this hair
It is bright to be described in detail, those skilled in the art should understand that, it can modify to technical solution of the present invention
Or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (1)
1. a kind of defrosting control method of refrigerator, the refrigerator includes compressor, evaporator, to remove the frost on evaporator
Heater strip and the control panel opened or closed to control the heater strip, it is characterised in that: the defrosting controlling party of the refrigerator
Method mainly comprises the steps that
A Temperature Humidity Sensor is provided, the Temperature Humidity Sensor examines the temperature and humidity around the evaporator respectively
Survey, the heater strip is arranged in the lower section of the evaporator, the Temperature Humidity Sensor be arranged on the evaporator and with institute
State heater strip setting spaced apart；
The temperature signal and moisture signal that the Temperature Humidity Sensor will test send the control panel to；
The temperature signal received and moisture signal are compared by the control panel with preset value, and the preset value includes first
Preset value and the second preset value, first preset value include the first temperature preset value and the first humidity preset value, described second
Preset value includes second temperature preset value and the second humidity preset value；The first temperature values are -10 DEG C ~ -30 DEG C,
The first humidity values be 25%RH ~ 45%RH, the second temperature values be 0 DEG C ~ 15 DEG C, described second
Humidity values are 60%RH ~ 80%RH；If the temperature signal that control panel receives, which is lower than, is equal to the first temperature preset value, together
When moisture signal be lower than and be equal to the first humidity preset value, then control panel controls that the heater strip is opened, compressor is closed, refrigerator into
Enter defrost pattern；If the temperature signal that control panel receives is higher than second temperature preset value, while moisture signal is wet higher than second
Preset value is spent, then control panel controls the heater strip closing, compressor is opened, and refrigerator enters refrigeration mode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510458917.0A CN105004127B (en) | 2015-07-30 | 2015-07-30 | Refrigerator and its defrosting control method |
| PCT/CN2016/086159 WO2017016340A1 (en) | 2015-07-30 | 2016-06-17 | Refrigerator and defrosting control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510458917.0A CN105004127B (en) | 2015-07-30 | 2015-07-30 | Refrigerator and its defrosting control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105004127A CN105004127A (en) | 2015-10-28 |
| CN105004127B true CN105004127B (en) | 2019-03-12 |
Family
ID=54376896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510458917.0A Active CN105004127B (en) | 2015-07-30 | 2015-07-30 | Refrigerator and its defrosting control method |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105004127B (en) |
| WO (1) | WO2017016340A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004127B (en) * | 2015-07-30 | 2019-03-12 | 青岛海尔股份有限公司 | Refrigerator and its defrosting control method |
| CN105674681A (en) * | 2016-01-20 | 2016-06-15 | 青岛海尔股份有限公司 | Air-cooling refrigerator and defrosting control method for evaporator of air-cooling refrigerator |
| CN106288561B (en) * | 2016-09-14 | 2018-12-07 | 广东美的制冷设备有限公司 | Defrosting control method, controller and air-conditioning |
| CN106642936B (en) * | 2016-12-08 | 2024-03-26 | 青岛海尔特种电冰柜有限公司 | Defrosting control method for refrigerator and refrigerator |
| CN107270633A (en) * | 2017-06-09 | 2017-10-20 | 芯海科技（深圳）股份有限公司 | A kind of evaporator of refrigerator Defrost method |
| CN208012210U (en) * | 2018-03-22 | 2018-10-26 | 南京能智电子科技有限公司 | Condenser system with automatic detection and automatic de-icing function |
| CN114295692B (en) * | 2021-12-31 | 2023-12-12 | 深圳诺博医疗科技有限公司 | Method and device for measuring humidity of refrigerated cabinet and refrigerated cabinet |
| CN114646166A (en) * | 2022-03-14 | 2022-06-21 | 北京科技大学 | Refrigerator for recovering waste heat by using latent heat type functional fluid, defrosting system and defrosting method |
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- 2015-07-30 CN CN201510458917.0A patent/CN105004127B/en active Active
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2016
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| CN201281520Y (en) * | 2008-10-10 | 2009-07-29 | 海信科龙电器股份有限公司 | Non-frost refrigerator control system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105004127A (en) | 2015-10-28 |
| WO2017016340A1 (en) | 2017-02-02 |
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