CN105605875B - A kind of control method and system of electronics deep freezer - Google Patents
A kind of control method and system of electronics deep freezer Download PDFInfo
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- CN105605875B CN105605875B CN201610074989.XA CN201610074989A CN105605875B CN 105605875 B CN105605875 B CN 105605875B CN 201610074989 A CN201610074989 A CN 201610074989A CN 105605875 B CN105605875 B CN 105605875B
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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
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
-
- 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
Abstract
The present invention relates to a kind of control method and system of electronics deep freezer, including：Step S1 detects current environmental temperature；Step S2 obtains the corresponding compressor starting point temperature of the current environmental temperature and compressor shutdown point temperature from pre-stored environment temperature list；Step S3 detects actual temperature in the case of Current electronic deep freezer；Step S4 judges whether actual temperature reaches the corresponding compressor starting point temperature of the current environmental temperature or compressor shutdown point temperature in the case of the Current electronic deep freezer；If reached, compressor is turned on and off by step S5.The present invention can make the user do not need, electronics household freezer interior energy automatic adjustment, so as to the temperature plateau in guard box.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, a kind of control method more particularly to electronics deep freezer and it is
System.
Background technology
The temperature inside the box control of household freezer includes two kinds of mechanical temperature-control and ordinary electronic temperature control at present, and mechanical temperature-control is by temperature
The unlatching and stopping of device control compressor are controlled, when environment temperature changes, the temperature inside the box variation can be influenced, user can only lead to
Rotation temperature control turn knob is crossed to be adjusted；Ordinary electronic temperature control is to obtain actual temperature in case by case inner sensor, will be in case
Actual temperature is sent to master control borad, by the unlatching and stopping of master control borad control compressor, when environment temperature changes, passes through
The gear of user adjusts the temperature come in control cabinet.Above two mode is required for manually being regulated and controled, it is impossible to accurately control
The temperature inside the box.
Invention content
The present invention provides a kind of control method and system of electronics deep freezer, to solve through the rotating temperature controlled device of user or
Gear adjusts the temperature of electronics deep freezer, it is impossible to the technical issues of accurate control the temperature inside the box.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of control method of electronics deep freezer, including
Following steps：
Step S1 detects current environmental temperature；
Step S2 obtains the corresponding compressor booting of the current environmental temperature from pre-stored environment temperature list
Point temperature and compressor shutdown point temperature；
Step S3 detects actual temperature in the case of Current electronic deep freezer；
Step S4 judges whether actual temperature reaches the current environmental temperature in the case of the Current electronic deep freezer
The corresponding compressor starting point temperature or compressor shutdown point temperature；
If reached, compressor is turned on and off by step S5.
The beneficial effects of the invention are as follows：By detecting current environmental temperature, obtained from pre-stored environment temperature list
The corresponding compressor starting point temperature of current environmental temperature and compressor shutdown point temperature are taken, if actual temperature reaches pressure in case
Compressor, then be turned on and off by contracting machine starting point temperature or compressor shutdown point temperature, thereby using family without regulation and control, electronics
Deep freezer automatically adjusts, the temperature plateau in guard box.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the step S2 includes：
When the current environmental temperature falls into first environment temperature range value Th1, the compressor starting point temperature is
The sum of set temperature Ts and the first starting point temperature offset amount Trk1, the compressor shutdown point temperature are stopped for the Ts with first
The difference of machine point temperature offset amount Trt1；
Alternatively,
When the current environmental temperature falls into second environment temperature range value Th2, the compressor starting point temperature is
The sum of the Ts and the second starting point temperature offset amount Trk2, the compressor shutdown point temperature are Ts and the second break point temperature
The difference of offset Trt2；
Alternatively,
When the current environmental temperature falls into third ambient temperature range value Th3, the compressor starting point temperature is
The sum of the Ts and third starting point temperature offset amount Trk3, the compressor shutdown point temperature are Ts and third break point temperature
The difference of offset Trt3；
Alternatively,
When the current environmental temperature falls into the 4th ambient temperature range value Th4, the compressor starting point temperature is
The sum of the Ts and the 4th starting point temperature offset amount Trk4, the compressor shutdown point temperature are Ts and the 4th break point temperature
The difference of offset Trt4.
Advantageous effect using above-mentioned further scheme is：By detecting current environmental temperature, according to current environmental temperature
Corresponding compressor starting point temperature and compressor shutdown point temperature are obtained, environment temperature has different ranges, in different models
Under enclosing, corresponding different compressor starting point temperature and compressor shutdown point temperature pass through different compressor starting point temperature
Being turned on and off for compressor is determined with compressor shutdown point temperature.
Further, the Th1 is<21 DEG C, the Th2 is>=21 DEG C and<28 DEG C, the Th3 is>=28 DEG C and<35
DEG C, the Th4 is>=35 DEG C.
Advantageous effect using above-mentioned further scheme is：Environment temperature has different ranges, by setting different rings
Border range determines different compressor starting point temperature or compressor shutdown point temperature.
Further, the Ts is -18 DEG C.
Advantageous effect using above-mentioned further scheme is：Ts is set temperature, makes the temperature inside the box in different environment temperature
- 18 DEG C or so are maintained under degree.
Further, the Trk1 is+2.5, and the Trt1 is -1.5, and the Trk2 is+2, and the Trt2 is -1, described
Trk3 is+3, and the Trt3 is -2, and the Trk4 is+2, and the Trt4 is -3.
Advantageous effect using above-mentioned further scheme is：It is counted by prescribing temperature offset amount and rest point temperature offset amount
Calculate compressor starting point temperature and compressor shutdown point temperature.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of control system of electronics deep freezer, including：
Circumstance temperature sensor, for detecting current environmental temperature；
Case inner sensor, for detecting actual temperature in the case of Current electronic deep freezer；
Master control borad, for obtaining the corresponding compressor of the current environmental temperature from pre-stored environment temperature list
Starting point temperature and compressor shutdown point temperature, and actual temperature reaches described in the case of the Current electronic deep freezer
In the case of the corresponding compressor starting point temperature of current environmental temperature or compressor shutdown point temperature, by compressor
It is turned on and off.
The beneficial effects of the invention are as follows：By detecting current environmental temperature, obtained from pre-stored environment temperature list
The corresponding compressor starting point temperature of current environmental temperature and compressor shutdown point temperature are taken, if actual temperature reaches pressure in case
Compressor, then be turned on and off by contracting machine starting point temperature or compressor shutdown point temperature, thereby using family without regulating and controlling, in case
It automatically adjusts, the temperature plateau in guard box.
Further, the master control borad includes：
When the current environmental temperature falls into first environment temperature range value Th1, the compressor starting point temperature is
The sum of set temperature Ts and the first starting point temperature offset amount Trk1, the compressor shutdown point temperature are stopped for the Ts with first
The difference of machine point temperature offset amount Trt1；
Alternatively,
When the current environmental temperature falls into second environment temperature range value Th2, the compressor starting point temperature is
The sum of the Ts and the second starting point temperature offset amount Trk2, the compressor shutdown point temperature are Ts and the second break point temperature
The difference of offset Trt2；
Alternatively,
When the current environmental temperature falls into third ambient temperature range value Th3, the compressor starting point temperature is
The sum of the Ts and third starting point temperature offset amount Trk3, the compressor shutdown point temperature are Ts and third break point temperature
The difference of offset Trt3；
Alternatively,
When the current environmental temperature falls into the 4th ambient temperature range value Th4, the compressor starting point temperature is
The sum of the Ts and the 4th starting point temperature offset amount Trk4, the compressor shutdown point temperature are Ts and the 4th break point temperature
The difference of offset Trt4.
Advantageous effect using above-mentioned further scheme is：By detecting current environmental temperature, according to current environmental temperature
Corresponding compressor starting point temperature and compressor shutdown point temperature are obtained, environment temperature has different ranges, in different models
Under enclosing, corresponding different compressor starting point temperature and compressor shutdown point temperature pass through different compressor starting point temperature
Being turned on and off for compressor is determined with compressor shutdown point temperature.
Further, the Th1 is<21 DEG C, the Th2 is>=21 DEG C and<28 DEG C, the Th3 is>=28 DEG C and<35
DEG C, the Th4 is>=35 DEG C.
Advantageous effect using above-mentioned further scheme is：Environment temperature has different ranges, by setting different rings
Border range determines different compressor starting point temperature or compressor shutdown point temperature.
Further, the Ts is -18 DEG C.
Advantageous effect using above-mentioned further scheme is：Ts is set temperature, makes the temperature inside the box in different environment temperature
- 18 DEG C or so are maintained under degree.
Further, the Trk1 is+2.5, and the Trt1 is -1.5, and the Trk2 is+2, and the Trt2 is -1, described
Trk3 is+3, and the Trt3 is -2, and the Trk4 is+2, and the Trt4 is -3.
Advantageous effect using above-mentioned further scheme is：It is counted by prescribing temperature offset amount and rest point temperature offset amount
Calculate compressor starting point temperature and compressor shutdown point temperature.
Description of the drawings
Fig. 1 is a kind of control method flow chart of electronics deep freezer provided in an embodiment of the present invention；
Fig. 2 is a kind of control system schematic diagram of electronics deep freezer provided in an embodiment of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows：
10th, circumstance temperature sensor, 20, case inner sensor, 30, master control borad, 40, compressor.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Fig. 1 is a kind of control method flow chart of electronics deep freezer provided in an embodiment of the present invention.
With reference to Fig. 1, step S1, current environmental temperature is detected.
Here, current environmental temperature Th can be multiple ambient temperature ranges, such as Th<21 DEG C, 28 DEG C of 21 DEG C≤Th ＜, 28
DEG C≤35 DEG C of Th ＜ and Th >=35 DEG C.
Step S2 obtains the corresponding compressor booting of the current environmental temperature from pre-stored environment temperature list
Point temperature and compressor shutdown point temperature.
Step S3 detects actual temperature in the case of Current electronic deep freezer.
Step S4 judges whether actual temperature reaches the current environmental temperature in the case of the Current electronic deep freezer
The corresponding compressor starting point temperature or compressor shutdown point temperature, if reached, perform step S5, if do not had
Have and reach, then perform step S3.
Step S5, compressor is turned on and off.
Specifically, the specific implementation of step S2 is：
When the current environmental temperature falls into first environment temperature range value Th1, the compressor starting point temperature is
The sum of set temperature Ts and the first starting point temperature offset amount Trk1, the compressor shutdown point temperature are stopped for the Ts with first
The difference of machine point temperature offset amount Trt1.
Specifically, work as Th<21 DEG C, corresponding compressor starting point temperature Tfk1 and compressor shutdown point temperature Tft1.
When the current environmental temperature falls into second environment temperature range value Th2, the compressor starting point temperature is
The sum of the Ts and the second starting point temperature offset amount Trk2, the compressor shutdown point temperature are Ts and the second break point temperature
The difference of offset Trt2.
Specifically, when 28 DEG C of 21 DEG C≤Th ＜, corresponding compressor starting point temperature Tfk2 and compressor shutdown point temperature
Tft2。
When the current environmental temperature falls into third ambient temperature range value Th3, the compressor starting point temperature is
The sum of the Ts and third starting point temperature offset amount Trk3, the compressor shutdown point temperature are Ts and third break point temperature
The difference of offset Trt3.
Specifically, when 35 DEG C of 28 DEG C≤Th ＜, corresponding compressor starting point temperature Tfk3 and compressor shutdown point temperature
Tft3。
When the current environmental temperature falls into the 4th ambient temperature range value Th4, the compressor starting point temperature is
The sum of the Ts and the 4th starting point temperature offset amount Trk4, the compressor shutdown point temperature are Ts and the 4th break point temperature
The difference of offset Trt4.
Specifically, when Th >=35 DEG C, corresponding compressor starting point temperature Tfk4 and compressor shutdown point temperature Tft4.
In the present embodiment, Ts is -18 DEG C, and Ts is set temperature, by the setting of Ts, makes the temperature inside the box in different environment
At a temperature of be maintained at -18 DEG C or so.
In the present embodiment, under different environment temperatures, corresponding different starting point temperature offset amount and break point temperature
Offset.Wherein, Trk1 be+2.5, Trt1 be -1.5, Trk2 be+2, Trt2 be -1, Trk3 be+3, Trt3 be -2, Trk4 for+
2, Trt4 be -3.
Here, different starting point temperature offset amounts and break point temperature offset amount such as table are corresponded under different environment temperatures
Shown in 1：
Table 1
As shown in Table 1, work as Th<At 21 DEG C ,+2.5=-15.5 DEG C of compressor starting point temperature Tfk1=(- 18), compressor
Break point temperature is -1.5=-19.5 DEG C of Tft1=(- 18).
As 28 DEG C of 21 DEG C≤Th ＜ ,+2=-16 DEG C of compressor starting point temperature Tfk2=(- 18), compressor shutdown point
Temperature is -1=-19 DEG C of Tft2=(- 18).
As 35 DEG C of 28 DEG C≤Th ＜ ,+3=-15 DEG C of compressor starting point temperature Tfk3=(- 18), compressor shutdown point
Temperature is -2=-20 DEG C of Tft3=(- 18).
When Th >=35 DEG C ,+2=-16 DEG C of compressor starting point temperature Tfk4=(- 18), compressor shutdown point temperature is
- 3=-21 DEG C of Tft4=(- 18).
A kind of control method of electronics deep freezer provided in an embodiment of the present invention, by detecting current environmental temperature, from
The corresponding compressor starting point temperature of current environmental temperature and compressor shutdown point are obtained in pre-stored environment temperature list
Temperature, if actual temperature reaches compressor starting point temperature or compressor shutdown point temperature in case, by compressor open or
It closes, thereby using family without regulation and control, case is interior to be automatically adjusted, the temperature plateau in guard box.
Fig. 2 is a kind of control system schematic diagram of electronics deep freezer provided in an embodiment of the present invention.
With reference to Fig. 2, control system includes circumstance temperature sensor 10, case inner sensor 20, master control borad 30 and compressor 40.
Circumstance temperature sensor 10, for detecting current environmental temperature.
Case inner sensor 20, for detecting actual temperature in the case of Current electronic deep freezer.
Master control borad 30, for obtaining the corresponding compression of the current environmental temperature from pre-stored environment temperature list
Machine starting point temperature and compressor shutdown point temperature, and actual temperature reaches institute in the case of the Current electronic deep freezer
In the case of stating the corresponding compressor starting point temperature of current environmental temperature or compressor shutdown point temperature, it will compress
Machine 40 is turned on and off.
In the present embodiment, master control borad 30 includes：
When the current environmental temperature falls into first environment temperature range value Th1, the compressor starting point temperature is
The sum of set temperature Ts and the first starting point temperature offset amount Trk1, the compressor shutdown point temperature are stopped for the Ts with first
The difference of machine point temperature offset amount Trt1.
When the current environmental temperature falls into second environment temperature range value Th2, the compressor starting point temperature is
The sum of the Ts and the second starting point temperature offset amount Trk2, the compressor shutdown point temperature are Ts and the second break point temperature
The difference of offset Trt2.
When the current environmental temperature falls into third ambient temperature range value Th3, the compressor starting point temperature is
The sum of the Ts and third starting point temperature offset amount Trk3, the compressor shutdown point temperature are Ts and third break point temperature
The difference of offset Trt3.
When the current environmental temperature falls into the 4th ambient temperature range value Th4, the compressor starting point temperature is
The sum of the Ts and the 4th starting point temperature offset amount Trk4, the compressor shutdown point temperature are Ts and the 4th break point temperature
The difference of offset Trt4.
In the present embodiment, the value of environment temperature includes four kinds of situations, i.e. Th<21 DEG C, 28 DEG C, 28 DEG C of 21 DEG C≤Th ＜
35 DEG C of≤Th ＜ and Th >=35 DEG C.
Specifically, Ts is -18 DEG C, and Ts is set temperature, by the setting of Ts, makes the temperature inside the box in different environment temperatures
Under be maintained at -18 DEG C or so.
In the present embodiment, different environment temperatures corresponds to different starting point temperature offset amounts and break point temperature drift
Amount, wherein, work as Th<At 21 DEG C, Trk1 is that+2.5, Trt1 is -1.5；As 28 DEG C of 21 DEG C≤Th ＜, Trk2 be+2, Trt2 for-
1；As 35 DEG C of 28 DEG C≤Th ＜, Trk3 is that+3, Trt3 is -2；When Th >=35 DEG C, Trk4 is that+2, Trt4 is -3.
A kind of control system of electronics deep freezer provided in an embodiment of the present invention, by detecting current environmental temperature, from
The corresponding compressor starting point temperature of current environmental temperature and compressor shutdown point are obtained in pre-stored environment temperature list
Temperature, if actual temperature reaches compressor starting point temperature or compressor shutdown point temperature in case, by compressor open or
It closes, thereby using family without regulation and control, case is interior to be automatically adjusted, the temperature plateau in guard box.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of control method of electronics deep freezer, which is characterized in that include the following steps：
Step S1 detects current environmental temperature；
Step S2 obtains the corresponding compressor starting point temperature of the current environmental temperature from pre-stored environment temperature list
Degree and compressor shutdown point temperature；
Step S3 detects actual temperature in the case of Current electronic deep freezer；
Step S4 judges whether actual temperature reaches the current environmental temperature correspondence in the case of the Current electronic deep freezer
The compressor starting point temperature or compressor shutdown point temperature；
If reached, compressor is turned on and off by step S5.
A kind of 2. control method of electronics deep freezer according to claim 1, which is characterized in that the step S2 packets
It includes：
When the current environmental temperature falls into first environment temperature range value Th1, the compressor starting point temperature is setting
The sum of temperature Ts and the first starting point temperature offset amount Trk1, the compressor shutdown point temperature are the Ts and the first break point
The difference of temperature offset amount Trt1；
Alternatively,
When the current environmental temperature falls into second environment temperature range value Th2, the compressor starting point temperature is described
The sum of Ts and the second starting point temperature offset amount Trk2, the compressor shutdown point temperature are Ts and the second break point temperature drift
Measure the difference of Trt2；
Alternatively,
When the current environmental temperature falls into third ambient temperature range value Th3, the compressor starting point temperature is described
The sum of Ts and third starting point temperature offset amount Trk3, the compressor shutdown point temperature are Ts and third break point temperature drift
Measure the difference of Trt3；
Alternatively,
When the current environmental temperature falls into the 4th ambient temperature range value Th4, the compressor starting point temperature is described
The sum of Ts and the 4th starting point temperature offset amount Trk4, the compressor shutdown point temperature are Ts and the 4th break point temperature drift
Measure the difference of Trt4.
3. the control method of a kind of electronics deep freezer according to claim 2, which is characterized in that the Th1 is<21
DEG C, the Th2 is>=21 DEG C and<28 DEG C, the Th3 is>=28 DEG C and<35 DEG C, the Th4 is>=35 DEG C.
4. the control method of a kind of electronics deep freezer according to claim 2, which is characterized in that the Ts is -18 DEG C.
5. a kind of control method of electronics deep freezer according to claim 2, which is characterized in that the Trk1 for+
2.5, the Trt1 are -1.5, and the Trk2 is+2, and the Trt2 is -1, and the Trk3 is+3, and the Trt3 is -2, described
Trk4 is+2, and the Trt4 is -3.
6. a kind of control system of electronics deep freezer, which is characterized in that including：
Circumstance temperature sensor, for detecting current environmental temperature；
Case inner sensor, for detecting actual temperature in the case of Current electronic deep freezer；
Master control borad, for obtaining the corresponding compressor booting of the current environmental temperature from pre-stored environment temperature list
Point temperature and compressor shutdown point temperature, and actual temperature reaches described current in the case of the Current electronic deep freezer
In the case of the corresponding compressor starting point temperature of environment temperature or compressor shutdown point temperature, compressor is opened
Or it closes.
A kind of 7. control system of electronics deep freezer according to claim 6, which is characterized in that the master control borad packet
It includes：
When the current environmental temperature falls into first environment temperature range value Th1, the compressor starting point temperature is setting
The sum of temperature Ts and the first starting point temperature offset amount Trk1, the compressor shutdown point temperature are the Ts and the first break point
The difference of temperature offset amount Trt1；
Alternatively,
When the current environmental temperature falls into second environment temperature range value Th2, the compressor starting point temperature is described
The sum of Ts and the second starting point temperature offset amount Trk2, the compressor shutdown point temperature are Ts and the second break point temperature drift
Measure the difference of Trt2；
Alternatively,
When the current environmental temperature falls into third ambient temperature range value Th3, the compressor starting point temperature is described
The sum of Ts and third starting point temperature offset amount Trk3, the compressor shutdown point temperature are Ts and third break point temperature drift
Measure the difference of Trt3；
Alternatively,
When the current environmental temperature falls into the 4th ambient temperature range value Th4, the compressor starting point temperature is described
The sum of Ts and the 4th starting point temperature offset amount Trk4, the compressor shutdown point temperature are Ts and the 4th break point temperature drift
Measure the difference of Trt4.
8. the control system of a kind of electronics deep freezer according to claim 7, which is characterized in that the Th1 is<21
DEG C, the Th2 is>=21 DEG C and<28 DEG C, the Th3 is>=28 DEG C and<35 DEG C, the Th4 is>=35 DEG C.
9. the control system of a kind of electronics deep freezer according to claim 7, which is characterized in that the Ts is -18 DEG C.
10. a kind of control system of electronics deep freezer according to claim 7, which is characterized in that the Trk1 for+
2.5, the Trt1 are -1.5, and the Trk2 is+2, and the Trt2 is -1, and the Trk3 is+3, and the Trt3 is -2, described
Trk4 is+2, and the Trt4 is -3.
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| DE102015211961A1 (en) * | 2015-06-26 | 2016-12-29 | BSH Hausgeräte GmbH | Refrigeration appliance and operating method for it |
| CN106918184B (en) * | 2017-03-17 | 2019-07-02 | 合肥美的电冰箱有限公司 | A kind of control method for air door of wind cooling refrigerator, system and wind cooling refrigerator |
| CN107606856A (en) * | 2017-11-02 | 2018-01-19 | 广东英得尔实业发展有限公司 | A kind of car refrigerator and its application method for automatically adjusting temperature |
| CN109373702B (en) * | 2018-10-12 | 2020-12-22 | 合肥华凌股份有限公司 | Constant temperature control method and device for wine cabinet |
| CN111059827B (en) * | 2018-10-22 | 2020-10-09 | 海尔智家股份有限公司 | Refrigerator and control method thereof |
| CN109539687B (en) * | 2018-11-28 | 2020-10-09 | 合肥美的电冰箱有限公司 | Temperature control method and device of refrigerator and refrigerator |
| CN110360779B (en) * | 2019-07-14 | 2021-07-06 | 南京创维家用电器有限公司 | Liquid impact prevention protection control method for air-cooled refrigerator compressor |
| CN113915889B (en) * | 2021-04-29 | 2023-04-11 | 海信冰箱有限公司 | Refrigerator and control method thereof |
| CN113503687A (en) * | 2021-06-28 | 2021-10-15 | 青岛海尔特种电冰柜有限公司 | Constant temperature wine cabinet |
| CN113503683A (en) * | 2021-06-28 | 2021-10-15 | 青岛海尔特种电冰柜有限公司 | Constant temperature control method, electronic equipment and constant temperature wine cabinet |
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