CN103851877B - A kind of control method of automatic ice maker of refrigerator system - Google Patents
A kind of control method of automatic ice maker of refrigerator system Download PDFInfo
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- CN103851877B CN103851877B CN201410070991.0A CN201410070991A CN103851877B CN 103851877 B CN103851877 B CN 103851877B CN 201410070991 A CN201410070991 A CN 201410070991A CN 103851877 B CN103851877 B CN 103851877B
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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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
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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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2400/00—Auxiliary features or devices for producing, working or handling ice
- F25C2400/14—Water supply
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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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C2600/00—Control issues
- F25C2600/04—Control means
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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Production, Working, Storing, Or Distribution Of Ice (AREA)
Abstract
The present invention relates to a kind of control method of automatic ice maker of refrigerator control system, said method comprising the steps of: whether completely S1. detects ice bank ice, and module of if so, then intaking stops supplying water, and ice machine quits work, and if not, then enters S2; S2. module of intaking is to ice box water filling; S3. judge whether ice box has water, if so, processor controls ice machine and starts ice making, and performs S4, and if not, then processor controls water inlet module and stops supplying water, and controls ice box upset at least one times, and ice machine quits work; S4. processor judges whether ice making completes, thus control ice box overturns out ice, returns S1 after going out ice.The present invention can add water to ice machine in time or stop ice making, avoids motor and ice machine idle running, improves the operating efficiency of ice machine, also can feed back the working condition of ice machine simultaneously in time, more meet hommization.
Description
Technical field
The present invention relates to a kind of control method of automatic ice maker of refrigerator system.
Background technology
Along with the raising of living standards of the people, high-grade refrigerator is more and more subject to the favor of consumer, and automatic ice maker is important symbol that is current and high-grade refrigerator in future, all with automatic ice maker on the high-grade refrigerator of domestic and international famous brand name.Automatic ice maker of refrigerator technology include mechanical transmissioning technology, sensing technology, automatic control technology and water inlet, the isostructural designing technique in air channel.
Automatic ice maker is more and more applied on the high-grade refrigerators such as side by side combination refrigerator, French door refrigerator, six refrigerators.So-called automatic ice-making, refer to water filling, bear water, all automatically complete from ice, without the need to staff, time saving and energy saving like this, make things convenient for customers use, is the superior inexorable trend of refrigerator.
In the ice machine of prior art, comprise water supply box, ice bank, water inlet module, ice box, ice making control module and processor, wherein, water inlet module is passed through to ice box water filling in water supply box, ice making control module controls ice box upset and is fallen in ice bank by ice cube to store, so that user takes, and processor is for controlling the action of water inlet module and ice making control module, carries out to realize the automation of whole ice machine system energy.
The control method of existing ice machine system is as follows:
First, completely whether detection ice bank ice, and module of if so, then intaking stops supplying water, ice machine system stalls, and if not, then module of intaking is to ice box water filling;
Then, judge whether ice box has water, if so, ice machine system starts ice making, and judges whether ice making completes, thus control ice box overturns out ice, and if not, then module of intaking stops supplying water, ice machine system stalls;
But, in existing ice machine system, adopt water supply box to supply water to ice box, when water supply box only has a little water yield, water supply box little water extracts after to ice box, because water level is lower, whether system can't detect ice box sometimes has water, and no water signal is fed back in process, thus stopping ice making, turn over ice, the water yield remaining in such ice box can be able to not be got rid of after freezing in time, and in the working cycles of next ice making, system can according to preset value, quantitative water is injected from water supply box toward ice box, at this moment because the water yield of remnants is not excluded in last working cycles, water there will be spilling water phenomenon after injecting, affect ice-making effect.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of control method that effectively can solve the automatic ice maker of refrigerator system of ice box spilling water phenomenon.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of control method of automatic ice maker of refrigerator system, and described ice machine system comprises ice bank, water inlet module, ice box and processor, and it comprises the following steps:
S1. whether completely detect ice bank ice, module of if so, then intaking stops supplying water, and ice machine system stalls, if not, then enters S2;
S2. module of intaking is to ice box water filling;
S3. judge whether ice box has water, if so, processor controls ice machine system and starts ice making, and performs S4, and if not, then processor controls water inlet module and stops supplying water, and controls ice box upset at least one times, ice machine system stalls;
S4. processor judges whether ice making completes, thus control ice box overturns out ice, returns S1 after going out ice.
In step S1, by visiting ice production apparatus detection ice bank whether completely ice; In step S3, judge whether ice box has water by temperature sensor.
In step S3, the number of times of described ice box upset is twice.
Described processor is according to the state of ice bank, and placement processor oneself state information is full ice or non-full ice-like state; Described processor is according to the state of ice box, and placement processor oneself state information is for having water or anhydrous state.
In step S1, completely whether detection ice bank ice, and module of if so, then intaking stops supplying water, ice machine system stalls, and processor set condition information is full ice-like state, and if not, then processor set condition information is non-full ice-like state, and enters S2.
In step S3, judge whether ice box has water, if not, then processor judges whether status information is anhydrous state, if so, then control water inlet module to stop supplying water, ice machine system stalls, processor set condition information is anhydrous state, if not, then control water inlet module and stop supplying water, and control ice box upset at least one times, ice machine system stalls, processor set condition information is anhydrous state.
Described processor is also for judging whether storage chamber door is opened, further comprising the steps of:
S10. processor determines storage chamber door and to open and after closing, whether completely processor judges status information ice-like state, if not, then enters S4, if so, then performs next step;
S11. processor judges status information whether anhydrous state, and if so, then control water inlet module and stop supplying water, ice machine system stalls, processor set condition information is anhydrous state, if not, then enters S1.
Described processor is also for judging whether refrigerating-chamber door is opened, further comprising the steps of:
When S20. opening refrigerating-chamber door, processor determines storage chamber door and opens, and processor judges status information whether anhydrous state, if not, then enters S4, if so, then performs next step;
S21. whether completely processor judges status information ice-like state, and module of if so, then intaking stops supplying water, ice machine system stalls, and processor set condition information is full ice-like state, if not, then enters S3.
Described system also comprises suggestion device, for the status information having water, anhydrous or full ice, non-full ice of receiving processor, and sends the information of water, anhydrous or full ice, non-full ice.
Compared with prior art, the invention has the beneficial effects as follows:
The anhydrous control flow of automatic ice maker of refrigerator of the present invention adds and judges whether ice box has water step, and when anhydrous, control ice box overturns, and has discharged the remaining water in ice box.Also add in the energized state, open storage chamber door and refrigerating-chamber door judges whether to get ice and the step to the water filling of water supply box from ice bank, to judge whether to continue ice making or water supply, thus improve the ice making efficiency of ice machine.
Accompanying drawing explanation
Fig. 1 is the control method flow chart of embodiment 1;
Fig. 2 is the automatic ice maker of refrigerator system principle diagram of embodiment 2;
Fig. 3 is the control method flow chart of embodiment 2;
Fig. 4 is the control method flow chart of embodiment 3.
Detailed description of the invention
Embodiment 1
As shown in Figures 1 and 2, the present invention discloses a kind of control method of automatic ice maker of refrigerator system, and described ice machine system comprises water supply box, ice bank, water inlet module, ice box, ice making control module and processor,
Water inlet module is used for the water in water supply box to extract in ice box, ice-making system is used for carrying out ice making to ice box, ice making control module is for controlling ice box upset, ice bank overturns from ice box the ice cube dropped for receiving, and processor is for controlling the action of water inlet module and ice making control module.
As shown in Figure 2, the present embodiment comprises the following steps:
S1. whether completely detect ice bank ice, module of if so, then intaking stops supplying water, and ice machine system stalls, if not, then enters S2;
S2. module of intaking is to ice box water filling;
S3. judge whether ice box has water, if so, processor controls ice machine system and starts ice making, and performs S4, and if not, then processor controls water inlet module and stops supplying water, and controls ice box upset at least one times, ice machine system stalls;
S4. processor judges whether ice making completes, thus control ice box overturns out ice, returns S1 after going out ice.
Water inlet module controls from water supply box to ice box water filling, and described water inlet module can be water pump or valve, in the present embodiment, is utilize water pump to extract the water in water supply box in ice box; If utilize valve, then the position of the box that supplies water is higher than the position of ice box, could rely on the self gravitation of water like this, is delivered to ice box by water from water supply box.
Ice making control module is for controlling the action of ice box, and in the present embodiment, described ice making control module is ice making motor, and it falls in ice bank to make the ice cube in ice box or water for controlling the upset of ice box.
Further, spy ice production apparatus and temperature sensor is also comprised.
Whether completely described spy ice production apparatus for detecting ice bank ice, in the present embodiment, described spy ice production apparatus is ice exploration bar, respond to by ice exploration bar the top whether ice cube arrive ice bank and judge whether full ice, certainly, also can be that optoelectronic switch realizes, be made up of the light accepting part of illuminating part and reception light from light source, such as can be arranged on ice bank opening part position, the light that during full ice, light accepting part sends or blocked by ice cube and light accepting part can not be arrived, or reflexed to light accepting part by ice cube, light accepting part induces ice full signal, can detect in storage chamber whether be filled with ice cube accordingly.
Temperature sensor is for detecting the temperature of ice box, concrete, and temperature sensor can according to the temperature of the temperature acquisition time interval collection ice box preset.Preferably, the described temperature acquisition time interval is 60-300 second.As, the temperature acquisition time of processor preset temperature sensor is T, and the temperature parameter at interval of time T is transferred to processor by temperature sensor, compares with the judgement of threshold value so that processor carries out front and back temperature gap.
Processor controls the action of water inlet module and ice making control module according to the signal visiting ice production apparatus and temperature sensor, when visiting ice production apparatus and detecting that ice bank expires ice, then processor controls water inlet module, namely water pump stops, when visiting ice production apparatus and the non-full ice of ice bank being detected, then water pump is to ice box water filling, and continues ice making.Temperature sensor timing detects the temperature in ice box, judges whether ice making completes, when detecting that the front and back temperature difference of ice box is less than a preset value, then judge that ice making completes, processor can control ice making control module, and namely ice making motor overturning ice box, completes out ice.
According to temperature sensor, processor judges whether ice box has water, control ice box and whether carry out salto.Processor receives the front and back temperature gap from temperature sensor, when temperature difference is less than a threshold value, then judges that ice box is anhydrous, then processor controls ice making control module upset ice tray, and the number of times of upset can be twice.For the temperature gap before and after in ice box, the temperature of the temperature in ice box during anhydrous state and ice box periphery ice making environment is consistent, and when adding water toward ice box, the temperature of ice box will rise, this is because the temperature of water is often high than the temperature of ice box periphery ice making environment, if when temperature sensor detects that the front and back temperature difference of ice box arrives certain threshold value, just judge that ice box is the state being in water, and when being less than this threshold value, then judge that ice box is in anhydrous state.Processor is to temperature sensor design temperature acquisition time T and setting threshold value T
t, such as, (T, T
t) be (60s, 5 DEG C) or (120s, 7 DEG C) or (300s, 10 DEG C).Preferably, when temperature difference T2-T1 is less than 5 DEG C to processor before and after the ice box that the collection of 60s interval is returned, then judge that ice box is in anhydrous state.
But in this ice machine system, when water supply box only has a little water yield the supply system ice tray, the front and back temperature difference that temperature sensor collection is returned also is less than this threshold value, and ice is also turned in stopping ice making by ice machine system, the water yield remaining in such ice box or ice can be able to not be got rid of in time, and the follow-up water yield owing to injecting is again predetermined, spilling water phenomenon is there will be after water filling, and after adopting this somersault, water remaining in ice box can be poured out in time, can head it off effectively.
Described processor is processor of single chip computer, and ice machine system also comprises ice making switch, and ice making switch is for exporting the ice making duty of ice machine system.
As shown in Figure 3, the present embodiment also specifically discloses a kind of control method of automatic ice maker of refrigerator control system, and it comprises the following steps:
S1. ice exploration bar detection ice bank whether completely ice, if so, then water pump stops supplying water, and ice machine system stalls, if not, then enters S2;
S2. water pump draws water to ice box water filling by the box that supplies water;
S3. temperature sensor judges whether ice box has water, and if so, processor control ice machine system starts ice making, and performs S4, and if not, then processor controls water pump stopping water supply, and controls ice box upset at least one times, ice machine system stalls;
S4. by the signal of temperature sensor, processor judges whether ice making completes, thus control ice box overturns out ice, returns S1 after going out ice.
In said method, make use of temperature sensor when judging that ice box is anhydrous, and control ice box and overturn, thus the existence of the residual water avoided.In addition, utilize detection ice bank whether completely ice and control the step of water pump and ice machine system, can solve the running of the stopping ice machine system when full ice, avoid water pump and the unnecessary action of ice machine system.
Described system is in order to energy real-time reminding user, also comprise suggestion device, for the status information having water, anhydrous, full ice or non-full ice of receiving processor, and send water, anhydrous, completely ice or non-full ice information, user, when learning the information that suggestion device sends, can operate ice machine system in time.Suggestion device can be display screen or audio output device, in the present embodiment, is display screen, has water, the various status informations of anhydrous, full ice or non-full ice etc. directly show, on the display screen so that user identifies.
Embodiment 2
The present embodiment is on the basis of embodiment 1, and what limit processor further arranges oneself state information.
In the present embodiment, described processor is also the state according to ice bank, ice box, and placement processor oneself state information is full ice, non-full ice, has water or anhydrous state.
In step S1, whether completely visit ice production apparatus detection ice bank ice, if so, then water pump stops supplying water, ice machine system stalls, and processor set condition information is full ice-like state, and if not, then processor set condition information is non-full ice-like state, and enters S2.
In step S3, temperature sensor judges whether ice box has water, if not, then processor judges whether status information is anhydrous state, if so, then control water pump to stop supplying water, ice machine system stalls, processor set condition information is anhydrous state, if not, then control water pump and stop supplying water, and control ice box upset at least one times, ice machine system stalls, processor set condition information is anhydrous state.The first temperature, second temperature of ice box are detected in temperature sensor interval, whether be less than preset value by the difference of the second temperature and the first temperature again and judge that whether ice box is anhydrous, namely when the difference of the second temperature and the first temperature is less than preset value, then ice box is anhydrous, when the difference when the second temperature and the first temperature is greater than preset value, then ice box has water.
Further, described processor is according to the state of ice bank, ice box, and placement processor oneself state information is full ice, non-full ice, has water or anhydrous state.Status information can set renewal in real time according to the operation of system.Processor is in subsequent step, as in step s3, processor judges whether status information is anhydrous state, water pump is controlled, avoid the idle running of ice making motor, improve the operating efficiency of ice machine system, also can feed back the working condition of ice machine system simultaneously in time, more meet hommization.
Embodiment 3
The present embodiment, on the basis of embodiment 2, further describes the step detecting storage chamber door.
As shown in Figure 4, described processor is also for judging whether storage chamber door is opened, further comprising the steps of:
When S10. opening storage chamber door, processor determines storage chamber door and to open and after closing, whether completely processor judges status information ice-like state, if not, then enters S4, if so, then performs next step; In this step, storage chamber door is opened and after closing, is just started follow-up judgement.Further, after storage chamber door is opened, processor automatically setting turns over ice action to be stopped, and spills to avoid ice cube.
S11. processor judges status information whether anhydrous state, and if so, then control water pump and stop supplying water, ice machine system stalls, processor set condition information is anhydrous state, if not, then enters S1.
In above-mentioned steps, open storage chamber door, and utilize processor to judge status information whether completely ice-like state, if not, then judge whether ice making completes and carry out turning over ice, if so, then also will further combined with whether being anhydrous state, if, then need to cut off the water, stop ice making, then again enter S1 if not.Determining step so, can judge fast according to the status information of processor and perform next step, instead of detect the state of ice bank and ice box, so, the action of ice making can be controlled in time fast, also can fill up the ice cube lacked because user takes away in time.
Embodiment 4
The present embodiment, on the basis of embodiment 2, further describes the step of refrigerating-chamber door.
Described processor is also for judging whether refrigerating-chamber door is opened, further comprising the steps of:
When S20. opening refrigerating-chamber door, processor determines storage chamber door and opens, and processor judges status information whether anhydrous state, if not, then enters S4, if so, then performs next step;
S21. whether completely processor judges status information ice-like state, and if so, then water pump stops supplying water, ice machine system stalls, and processor set condition information is full ice-like state, if not, then enters S3.
In above-mentioned steps, open refrigerating-chamber door, and utilize processor to judge whether anhydrous state, whether be full ice-like state, determining step so, can judge fast according to the status information of processor and perform next step if combining again, instead of detect the state of ice bank and ice box, so, the action added water can be controlled in time fast, also can fill up the water yield of water supply box in time.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All any amendments done within the spirit and principles in the present invention, equivalent to replace and improvement etc., within the protection domain that all should be included in the claims in the present invention.
Claims (9)
1. a control method for automatic ice maker of refrigerator system, described ice machine system comprises ice bank, water inlet module, ice box and processor, it is characterized in that, comprises the following steps:
S1. whether completely detect ice bank ice, module of if so, then intaking stops supplying water, and ice machine system stalls, if not, then enters S2;
S2. module of intaking is to ice box water filling;
S3. judge whether ice box has water, if so, processor controls ice machine system and starts ice making, and performs S4, and if not, then processor controls water inlet module and stops supplying water, and controls ice box upset at least one times, ice machine system stalls;
S4. processor judges whether ice making completes, thus control ice box overturns out ice, returns S1 after going out ice;
Described processor is also for judging whether refrigerating-chamber door is opened, further comprising the steps of:
When S20. opening refrigerating-chamber door, processor determines storage chamber door and opens, and processor judges that whether ice box is anhydrous, if not, then enters S4, if so, then performs next step;
S21. whether completely processor judges ice bank ice, and module of if so, then intaking stops supplying water, ice machine system stalls, and processor set condition information is full ice-like state, if not, then enters S3.
2. whether completely the control method of automatic ice maker of refrigerator system according to claim 1, is characterized in that, in step S1, by visiting ice production apparatus detection ice bank ice.
3. the control method of automatic ice maker of refrigerator system according to claim 1, is characterized in that, in step S3, judges whether ice box has water by temperature sensor.
4. the control method of automatic ice maker of refrigerator system according to claim 1, is characterized in that, in step S3, the number of times of described ice box upset is twice.
5. the control method of automatic ice maker of refrigerator system according to claim 1, is characterized in that, described processor is according to the state of ice bank, and placement processor oneself state information is full ice or non-full ice-like state; Or described processor is according to the state of ice box, and placement processor oneself state information is for having water or anhydrous state.
6. the control method of automatic ice maker of refrigerator system according to claim 5, it is characterized in that, in step S1, completely whether detection ice bank ice, if, module of then intaking stops supplying water, ice machine system stalls, and processor set condition information is full ice-like state, if not, then processor set condition information is non-full ice-like state, and enters S2.
7. the control method of automatic ice maker of refrigerator system according to claim 5, it is characterized in that, in step S3, judge whether ice box has water, if not, then processor judges whether status information is anhydrous state, if so, then control water inlet module to stop supplying water, ice machine system stalls, processor set condition information is anhydrous state, if not, then control water inlet module and stop supplying water, and control ice box upset at least one times, ice machine system stalls, processor set condition information is anhydrous state.
8. the control method of automatic ice maker of refrigerator system according to claim 5, is characterized in that, described processor is also for judging whether storage chamber door is opened, further comprising the steps of:
S10. processor determines storage chamber door and to open and after closing, whether completely processor judges status information ice-like state, if not, then enters S4, if so, then performs next step;
S11. processor judges status information whether anhydrous state, and if so, then control water inlet module and stop supplying water, ice machine system stalls, processor set condition information is anhydrous state, if not, then enters S1.
9. the control method of automatic ice maker of refrigerator system according to claim 5, it is characterized in that, described system also comprises suggestion device, for the status information having water, anhydrous or full ice, non-full ice of receiving processor, and sends the information of water, anhydrous or full ice, non-full ice.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410070991.0A CN103851877B (en) | 2014-02-28 | 2014-02-28 | A kind of control method of automatic ice maker of refrigerator system |
| PCT/CN2014/077530 WO2015127718A1 (en) | 2014-02-28 | 2014-05-15 | Method for controlling refrigerator automatic ice making system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410070991.0A CN103851877B (en) | 2014-02-28 | 2014-02-28 | A kind of control method of automatic ice maker of refrigerator system |
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| CN103851877A CN103851877A (en) | 2014-06-11 |
| CN103851877B true CN103851877B (en) | 2016-01-20 |
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| CN104075533B (en) * | 2014-07-22 | 2019-09-20 | 合肥晶弘电器有限公司 | A kind of water supply system of refrigerator control method |
| CN107763914A (en) * | 2017-08-30 | 2018-03-06 | 青岛海尔股份有限公司 | refrigerator ice-making control method |
| US12013167B2 (en) | 2018-10-02 | 2024-06-18 | Lg Electronics Inc. | Refrigerator |
| CN111219917B (en) * | 2018-11-26 | 2021-06-22 | 海尔智家股份有限公司 | Control method and control system of ice making device |
| CN110307692B (en) * | 2019-06-11 | 2021-03-02 | 合肥美的电冰箱有限公司 | Control method and control device for ice making of refrigerator and refrigerator |
| CN110274415B (en) * | 2019-06-17 | 2021-04-27 | 合肥华凌股份有限公司 | Ice maker control method, ice maker, and computer-readable storage medium |
| CN110631300A (en) * | 2019-10-31 | 2019-12-31 | 合肥美的电冰箱有限公司 | Ice maker control method and device, computer readable storage medium and refrigeration equipment |
| US11421927B2 (en) * | 2020-04-08 | 2022-08-23 | Haier Us Appliance Solutions, Inc. | Refrigerator appliance ice making and dispensing system |
| CN111765680A (en) * | 2020-06-03 | 2020-10-13 | 中国科学院广州能源研究所 | Ice making system control strategy and system |
| CN114383372A (en) * | 2020-10-19 | 2022-04-22 | 海信（山东）冰箱有限公司 | Control method of ice maker of refrigerator and refrigerator |
| CN115325766B (en) * | 2021-05-10 | 2023-11-03 | 青岛海尔电冰箱有限公司 | Control method and control system of ice making device |
| CN114322442B (en) * | 2021-07-06 | 2023-08-15 | 青岛海尔电冰箱有限公司 | Ice making control method for refrigerator and refrigerator |
| CN117769635A (en) * | 2022-06-30 | 2024-03-26 | 海信容声(广东)冰箱有限公司 | Refrigerator and control method thereof |
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| JP2002156175A (en) * | 2000-11-17 | 2002-05-31 | Toshiba Corp | Water supplying device for automatic ice making machine |
| JP2003329345A (en) * | 2002-05-14 | 2003-11-19 | Lg Electronics Inc | Ice maker of refrigerator |
| CN101818976A (en) * | 2009-02-27 | 2010-09-01 | 日本电产三协株式会社 | The driver element of automatic ice maker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103851877A (en) | 2014-06-11 |
| WO2015127718A1 (en) | 2015-09-03 |
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