CN104949456A - Independent temperature control method of single-circulation three-temperature-zone refrigerator - Google Patents
Independent temperature control method of single-circulation three-temperature-zone refrigerator Download PDFInfo
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- CN104949456A CN104949456A CN201510116724.7A CN201510116724A CN104949456A CN 104949456 A CN104949456 A CN 104949456A CN 201510116724 A CN201510116724 A CN 201510116724A CN 104949456 A CN104949456 A CN 104949456A
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- temperature
- refrigerating chamber
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- observed
- refrigerator
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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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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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
- F25D29/005—Mounting of control 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
- F25D2700/00—Means for sensing or measuring; Sensors therefor
- F25D2700/12—Sensors measuring the inside temperature
-
- 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
- F25D2700/12—Sensors measuring the inside temperature
- F25D2700/122—Sensors measuring the inside temperature of freezer compartments
-
- 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
- F25D2700/14—Sensors measuring the temperature outside the refrigerator or freezer
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- 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)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides an independent temperature control method of a single-circulation three-temperature-zone refrigerator. According to the method, through a compensation heater of a refrigerating chamber of the refrigerator and/or a compensation heater of a variable temperature chamber, both connected with a controller of the refrigerator, compensational heating is achieved; and through NTC (negative temperature coefficient) temperature sensors in signal connection with the controller of the refrigerator and arranged in the refrigerating chamber, the variable temperature chamber and a freezing chamber and on a refrigeration evaporator and a display panel of the refrigerator, the temperature of the refrigerating chamber, the temperature of the variable temperature chamber, the temperature of the evaporator and the ambient temperature are sensed. The compensation heaters are connected with the controller of the refrigerator through a circuit. The single-circulation three-temperature-zone refrigerator allows temperatures of three temperature zones to be independently controllable, allows the temperatures to be controlled precisely and is suitable for batch production.
Description
Technical field
The present invention relates to refrigerator technical field, what be specifically related to is the temperature independence regulate and control method of a kind of single cycle three-temperature-zone refrigerator.
Background technology
The refrigerator refrigeration system of existing single cycle three-temperature-zone, is all adopt refrigeration, alternating temperature, freezing evaporator area to form according to fixed proportion coupling, realizes the interlock temperature adjustment of system.The defect of this refrigerator is can not independent temperature separately, and is generally all the start-stop controlling compressor with the temperature of mechanical thermostat perception refrigeration evaporator, and temperature controls comparatively roughly, accurately meticulous not.
Summary of the invention
Because described in background technology, the object of this invention is to provide the temperature independence regulate and control method of a kind of single cycle three-temperature-zone refrigerator.
The object of the invention is to be achieved through the following technical solutions:
A temperature independence regulate and control method for single cycle three-temperature-zone refrigerator, is characterized in that,
By the compensating heater be connected with the controller signals of refrigerator of the refrigerating chamber and/or described temperature-changing chamber that are arranged at refrigerator;
By being arranged in described refrigerating chamber, temperature-changing chamber and refrigerating chamber and refrigeration evaporator and the NTC temperature sensing sensor be connected with the controller signals of refrigerator on the display board of refrigerator, respond to the temperature of refrigerating chamber, temperature-changing chamber, refrigerating chamber, evaporimeter and environment respectively; Described compensating heater is connected with the controller line of refrigerator.
Preferably, described compensating heater is aluminium foil compensating heater, and it is affixed on the back of described refrigerating chamber and the bottom difference of described temperature-changing chamber respectively.
Preferably; when described controller receives temperature of refrigerating chamber that the NTC temperature sensing sensor be arranged in described refrigerating chamber, temperature-changing chamber and refrigerating chamber senses respectively, temperature-changing chamber temperature, freezer temperature all reach the compressor shutdown point preset; or; refrigerating chamber observed temperature≤T1; 0 DEG C of <T1<5 DEG C; and during this compressor operating time >=t1; 3 minutes <t1<15 minute, described controller controls the compressor shutdown of described refrigerator.
Preferably, when described compressor run continuously >=3 constantly little, described controller controls it and shuts down.
Preferably, meet: refrigerating chamber observed temperature >=refrigerating chamber turn-on temperature simultaneously, or, temperature-changing chamber observed temperature >=temperature-changing chamber turn-on temperature, or, refrigerating chamber observed temperature >=refrigerating chamber turn-on temperature, and, refrigerating chamber defrosting sensor observed temperature >=T2,3 DEG C of <T2<6 DEG C, described compressor quits work >=t1 time, 3 minutes <t1<15 minute, compressor is opened.
Preferably,
As environment temperature >=T3, during 5 DEG C of <T3<15 DEG C:
(refrigerating chamber observed temperature≤refrigerating chamber stopping temperature) and (refrigerating chamber defrosting sensor observed temperature <T4,20 DEG C of <T4<50 DEG C) and (refrigerating chamber observed temperature > refrigerating chamber shutdown temperature, or, temperature-changing chamber observed temperature > temperature-changing chamber shutdown temperature) and compressor start time, be arranged at the refrigeration compensating heater work of described refrigerating chamber;
When (refrigerating chamber observed temperature >=refrigerating chamber turn-on temperature) or (refrigerating chamber observed temperature≤refrigerating chamber shutdown temperature and (temperature-changing chamber observed temperature≤temperature-changing chamber shutdown temperature)) or described compressor shutdown, the refrigeration compensating heater being arranged at described refrigerating chamber quits work;
As environment temperature <T3:
Refrigerating chamber observed temperature≤refrigerating chamber turn-on temperature, and (refrigerating chamber defrosting sensor observed temperature <T4 and (refrigerating chamber observed temperature > refrigerating chamber turn-on temperature or temperature-changing chamber observed temperature > temperature-changing chamber turn-on temperature) and described compressor shutdown time, described refrigeration compensating heater work;
When described compressor start work, described refrigeration heater quits work.
Preferably, when described compressor start work, and temperature-changing chamber observed temperature≤temperature-changing chamber shutdown temperature-T5, during 0 DEG C of <T5<5 DEG C, be arranged at the alternating temperature heater unlatching work of described temperature-varying zone; When described compressor shutdown, or during temperature-changing chamber observed temperature >=temperature-changing chamber shutdown temperature, described alternating temperature heater quits work.
Preferably, cold sotrage door is equipped with LED big screen display screen, itself and described controller work, is operated by touch key-press, accurately can set the temperature of each room respectively.
Compared to prior art, the present invention has the following advantages:
Can realize the three-temperature-zone temperature Independent adjustable of single cycle refrigerator, temperature control is accurate, can be used for batch production.
Accompanying drawing explanation
Fig. 1 is the single circulation refrigeration system schematic diagram of the embodiment of the present invention;
Fig. 2 is the electrical system control figure of the embodiment of the present invention.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The present embodiment provides a kind of method for regulating temperature of refrigerator of novel single cycle three-temperature-zone Independent adjustable.
As shown in Figure 1, the principle of described single cycle refrigerator is:
Compressor 1, condenser 2, defrosting pipe 3, device for drying and filtering 4, capillary 5, freezer evaporator 6, temperature-changing chamber evaporimeter 7, refrigerator evaporator 8 order is arranged in the form of a ring, and the flow direction of cold-producing medium is for flow to condenser 2 from compressor 1.Near refrigerator evaporator 8 and temperature-changing chamber evaporimeter 7, be respectively equipped with refrigerating chamber compensate heater strip 10 and temperature-changing chamber compensation heater strip 20.
The refrigerator of the single cycle three-temperature-zone temperature Independent adjustable of the present embodiment, as shown in Figure 2, it comprises:
Refrigerating chamber, temperature-changing chamber, refrigerating chamber, master control borad, described compressor 1 and described master control borad connection, control its duty by described master control borad.
Described refrigerating chamber compensates the back that heater strip 10 is arranged at described refrigerating chamber, and described temperature-changing chamber compensates the bottom that heater strip 20 is arranged at described temperature-changing chamber.Described refrigerating chamber compensates heater strip 10 and temperature-changing chamber compensates heater strip 20 preferably aluminium foil compensation heater strip.
Described master control borad is also connected with freezing temperature-sensitive head 51, alternating temperature temperature-sensitive head 41, evaporation temperature-sensitive head 81, refrigeration temperature-sensitive head 31, ring temperature temperature-sensitive head 91, described refrigerating chamber compensates heater strip 10 and temperature-changing chamber compensates heater strip 20.
Freezing temperature-sensitive head 51 is arranged in described refrigerating chamber, alternating temperature temperature-sensitive head 41 is arranged in temperature-changing chamber, evaporation temperature-sensitive head 81 is arranged on refrigeration evaporator, refrigeration temperature-sensitive head 31 is arranged in refrigerating chamber, ring temperature temperature-sensitive head 91 is arranged on the display board of refrigerator, is respectively used to the temperature responding to refrigerating chamber, temperature-changing chamber, evaporimeter, refrigerating chamber and environment.Each temperature-sensitive head is NTC temperature sensing sensor.
Described master control borad controls the switch of described compressor and/or the work of described refrigerating chamber compensation heater strip 10 and temperature-changing chamber compensation heater strip 20 according to the temperature of the described refrigerating chamber, temperature-changing chamber, refrigerating chamber, evaporimeter and the environment that receive.
Described master control borad is also connected with described display board, described display board is LED display board, which is provided with regulation and control key (preferred membrane keyboard, for accurately setting the temperature of each room), for display board is powered and the display of control LED, and receive the regulation and control order of manually input, then control according to described regulation and control order the work that compressor and/or refrigerating chamber compensation heater strip 10 and temperature-changing chamber compensate heater strip 20.
When described controller receives temperature of refrigerating chamber that the NTC temperature sensing sensor be arranged in described refrigerating chamber, temperature-changing chamber and refrigerating chamber senses respectively, temperature-changing chamber temperature, freezer temperature all reach the compressor shutdown point preset; or; refrigerating chamber observed temperature≤1 DEG C (or within the scope of 0-5 DEG C); and these compressor operating time >=5 minute (or within the scope of 3-15 minute), described controller controls described compressor shutdown.
When described compressor run continuously >=3 constantly little, described controller controls it and shuts down.
Meet: (refrigerating chamber observed temperature >=refrigerating chamber turn-on temperature or temperature-changing chamber observed temperature >=temperature-changing chamber turn-on temperature or refrigerating chamber observed temperature >=refrigerating chamber turn-on temperature) and refrigerating chamber defrosting sensor observed temperature >=4 DEG C simultaneously) (or within the scope of 3-6 DEG C), compressor quits work >=5 minutes (or within the scope of 3-15 minute) time, compressor is opened.
As environment temperature >=10 DEG C (or 5-15 DEG C):
(refrigerating chamber observed temperature≤refrigerating chamber stopping temperature) and (refrigerating chamber defrosting sensor observed temperature <27 DEG C (or within the scope of 20-50 DEG C)) and (refrigerating chamber observed temperature > refrigerating chamber shutdown temperature or temperature-changing chamber observed temperature > temperature-changing chamber shutdown temperature) and compressor start time, be arranged at the refrigeration compensating heater work of described refrigerating chamber;
When (refrigerating chamber observed temperature >=refrigerating chamber turn-on temperature) or (refrigerating chamber observed temperature≤refrigerating chamber shutdown temperature and temperature-changing chamber observed temperature≤temperature-changing chamber shutdown temperature) or described compressor shutdown, the refrigeration compensating heater being arranged at described refrigerating chamber quits work;
When environment temperature <10 DEG C (or within the scope of 5-15 DEG C):
(refrigerating chamber observed temperature≤refrigerating chamber turn-on temperature) and (refrigerating chamber defrosting sensor observed temperature <27 DEG C (or within the scope of 20-50 DEG C)) and (refrigerating chamber observed temperature > refrigerating chamber turn-on temperature, or, temperature-changing chamber observed temperature > temperature-changing chamber turn-on temperature) and described compressor shutdown time, the work of described refrigeration compensating heater;
When described compressor start work, described refrigeration heater quits work.
When described compressor start work, and during temperature-changing chamber observed temperature≤temperature-changing chamber shutdown temperature-4 DEG C (or 0-5 DEG C), be arranged at the alternating temperature heater unlatching work of described temperature-varying zone; When described compressor shutdown, or during temperature-changing chamber observed temperature >=temperature-changing chamber shutdown temperature, described alternating temperature heater quits work.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a temperature independence regulate and control method for single cycle three-temperature-zone refrigerator, is characterized in that,
By the compensating heater be connected with the controller signals of refrigerator of the refrigerating chamber and/or described temperature-changing chamber that are arranged at refrigerator;
By being arranged in described refrigerating chamber, temperature-changing chamber and refrigerating chamber and refrigeration evaporator and the NTC temperature sensing sensor be connected with the controller signals of refrigerator on the display board of refrigerator, respond to the temperature of refrigerating chamber, temperature-changing chamber, refrigerating chamber, evaporimeter and environment respectively; Described compensating heater is connected with the controller line of refrigerator.
2. method according to claim 1, is characterized in that, described compensating heater is aluminium foil compensating heater, and it is affixed on the back of described refrigerating chamber and the bottom difference of described temperature-changing chamber respectively.
3. method according to claim 1 and 2, it is characterized in that: described controller receives and is arranged at described refrigerating chamber, the temperature of refrigerating chamber that NTC temperature sensing sensor in temperature-changing chamber and refrigerating chamber senses respectively, temperature-changing chamber temperature, when freezer temperature all reaches the compressor shutdown point preset, or, refrigerating chamber observed temperature≤T1, 0 DEG C of <T1<5 DEG C, and during this compressor operating time >=t1, 3 minutes <t1<15 minute, described controller controls the compressor shutdown of described refrigerator.
4. method according to claim 1 and 2, is characterized in that: when described compressor run continuously >=3 constantly little, described controller controls it and shuts down.
5. method according to claim 1 and 2, it is characterized in that: meet: refrigerating chamber observed temperature >=refrigerating chamber turn-on temperature simultaneously, or, temperature-changing chamber observed temperature >=temperature-changing chamber turn-on temperature, or, refrigerating chamber observed temperature >=refrigerating chamber turn-on temperature, and, refrigerating chamber defrosting sensor observed temperature >=T2,3 DEG C of <T2<6 DEG C, described compressor quits work >=t1 time, 3 minutes <t1<15 minute, compressor is opened.
6. method according to claim 1 and 2, is characterized in that:
As environment temperature >=T3, during 5 DEG C of <T3<15 DEG C:
(refrigerating chamber observed temperature≤refrigerating chamber stopping temperature) and (refrigerating chamber defrosting sensor observed temperature <T4,20 DEG C of <T4<50 DEG C) and (refrigerating chamber observed temperature > refrigerating chamber shutdown temperature, or, temperature-changing chamber observed temperature > temperature-changing chamber shutdown temperature) and compressor start time, be arranged at the refrigeration compensating heater work of described refrigerating chamber;
When (refrigerating chamber observed temperature >=refrigerating chamber turn-on temperature) or (refrigerating chamber observed temperature≤refrigerating chamber shutdown temperature and (temperature-changing chamber observed temperature≤temperature-changing chamber shutdown temperature)) or described compressor shutdown, the refrigeration compensating heater being arranged at described refrigerating chamber quits work;
As environment temperature <T3:
Refrigerating chamber observed temperature≤refrigerating chamber turn-on temperature, and (refrigerating chamber defrosting sensor observed temperature <T4 and (refrigerating chamber observed temperature > refrigerating chamber turn-on temperature or temperature-changing chamber observed temperature > temperature-changing chamber turn-on temperature) and described compressor shutdown time, described refrigeration compensating heater work;
When described compressor start work, described refrigeration heater quits work.
7. method according to claim 1 and 2, it is characterized in that: when described compressor start work, and temperature-changing chamber observed temperature≤temperature-changing chamber shutdown temperature-T5, during 0 DEG C of <T5<5 DEG C, be arranged at the alternating temperature heater unlatching work of described temperature-varying zone; When described compressor shutdown, or during temperature-changing chamber observed temperature >=temperature-changing chamber shutdown temperature, described alternating temperature heater quits work.
8. method according to claim 1 and 2, is characterized in that: LED big screen display screen is housed on cold sotrage door, itself and described controller work, is operated, accurately can set the temperature of each room respectively by touch key-press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510116724.7A CN104949456A (en) | 2015-03-17 | 2015-03-17 | Independent temperature control method of single-circulation three-temperature-zone refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510116724.7A CN104949456A (en) | 2015-03-17 | 2015-03-17 | Independent temperature control method of single-circulation three-temperature-zone refrigerator |
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| CN104949456A true CN104949456A (en) | 2015-09-30 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222462A (en) * | 2015-10-26 | 2016-01-06 | 青岛海尔股份有限公司 | The even cold refrigerator of intelligence |
| CN107421211A (en) * | 2017-07-28 | 2017-12-01 | 合肥美菱股份有限公司 | A kind of temperature control refrigerator and its control method |
| CN110986458A (en) * | 2019-12-17 | 2020-04-10 | 合肥华凌股份有限公司 | Refrigeration equipment, control method and control device thereof and storage medium |
| CN111707039A (en) * | 2020-06-27 | 2020-09-25 | 广东奥马冰箱有限公司 | Simple computer temperature control refrigerator and control method thereof |
| CN111895719A (en) * | 2020-07-22 | 2020-11-06 | 河南新飞制冷器具有限公司 | Temperature correction control method for air-cooled refrigerator |
| CN112595016A (en) * | 2020-12-10 | 2021-04-02 | 珠海格力电器股份有限公司 | Refrigerator and temperature compensation method, device and storage medium thereof |
| CN112797725A (en) * | 2020-12-30 | 2021-05-14 | 长虹美菱股份有限公司 | Direct-cooling single-cycle refrigerator frequency conversion control method |
| CN113028732A (en) * | 2021-04-07 | 2021-06-25 | 创维电器股份有限公司 | Defrosting control logic method based on refrigerating box |
| CN114593550A (en) * | 2022-03-23 | 2022-06-07 | 创维电器股份有限公司 | Control system and control method for automatic defrosting of direct-cooling refrigerator |
| CN114646175A (en) * | 2022-03-23 | 2022-06-21 | 创维电器股份有限公司 | Direct-cooling type single-system double-temperature-control refrigeration method |
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| CN203083287U (en) * | 2013-03-13 | 2013-07-24 | 合肥美菱股份有限公司 | Multi-temperature area wine cabinet with single cycle refrigeration system |
| CN203928589U (en) * | 2014-06-25 | 2014-11-05 | 六安索伊电器制造有限公司 | The direct-cooled many warm areas control system of a kind of single system for side by side combination refrigerator |
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| US5524447A (en) * | 1993-08-09 | 1996-06-11 | Samsung Electronics Co., Ltd. | Temperature control method of refrigerator |
| KR100557434B1 (en) * | 1999-02-25 | 2006-03-07 | 삼성전자주식회사 | Refrigerator and controlling method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222462A (en) * | 2015-10-26 | 2016-01-06 | 青岛海尔股份有限公司 | The even cold refrigerator of intelligence |
| CN105222462B (en) * | 2015-10-26 | 2019-03-08 | 青岛海尔股份有限公司 | The even cold refrigerator of intelligence |
| CN107421211A (en) * | 2017-07-28 | 2017-12-01 | 合肥美菱股份有限公司 | A kind of temperature control refrigerator and its control method |
| CN110986458A (en) * | 2019-12-17 | 2020-04-10 | 合肥华凌股份有限公司 | Refrigeration equipment, control method and control device thereof and storage medium |
| CN111707039A (en) * | 2020-06-27 | 2020-09-25 | 广东奥马冰箱有限公司 | Simple computer temperature control refrigerator and control method thereof |
| CN111895719A (en) * | 2020-07-22 | 2020-11-06 | 河南新飞制冷器具有限公司 | Temperature correction control method for air-cooled refrigerator |
| CN112595016A (en) * | 2020-12-10 | 2021-04-02 | 珠海格力电器股份有限公司 | Refrigerator and temperature compensation method, device and storage medium thereof |
| CN112595016B (en) * | 2020-12-10 | 2022-01-07 | 珠海格力电器股份有限公司 | Refrigerator and temperature compensation method, device and storage medium thereof |
| CN112797725A (en) * | 2020-12-30 | 2021-05-14 | 长虹美菱股份有限公司 | Direct-cooling single-cycle refrigerator frequency conversion control method |
| CN112797725B (en) * | 2020-12-30 | 2022-05-10 | 长虹美菱股份有限公司 | Direct-cooling single-cycle refrigerator frequency conversion control method |
| CN113028732A (en) * | 2021-04-07 | 2021-06-25 | 创维电器股份有限公司 | Defrosting control logic method based on refrigerating box |
| CN114593550A (en) * | 2022-03-23 | 2022-06-07 | 创维电器股份有限公司 | Control system and control method for automatic defrosting of direct-cooling refrigerator |
| CN114646175A (en) * | 2022-03-23 | 2022-06-21 | 创维电器股份有限公司 | Direct-cooling type single-system double-temperature-control refrigeration method |
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Effective date of registration: 20160331 Address after: Guangdong province Zhongshan City Dongfu road 528427 Nantou Town, No. 54 Applicant after: GUANGDONG HOMA REFRIGERATOR CO., LTD. Address before: 528427 Guangdong Province, Zhongshan city Nantou town or North Road North Industrial Zone No. 54 Fu Hui Applicant before: Guangdong Homa Appliances Co., Ltd. |
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Application publication date: 20150930 |