WO2011151991A1 - 冷蔵庫 - Google Patents
冷蔵庫 Download PDFInfo
- Publication number
- WO2011151991A1 WO2011151991A1 PCT/JP2011/002869 JP2011002869W WO2011151991A1 WO 2011151991 A1 WO2011151991 A1 WO 2011151991A1 JP 2011002869 W JP2011002869 W JP 2011002869W WO 2011151991 A1 WO2011151991 A1 WO 2011151991A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ice
- motor
- time
- detection unit
- refrigerator
- Prior art date
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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
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
- F25C1/04—Producing ice by using stationary moulds
-
- 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
- F25C2305/00—Special arrangements or features for working or handling ice
- F25C2305/022—Harvesting ice including rotating or tilting or pivoting of a mould or tray
- F25C2305/0221—Harvesting ice including rotating or tilting or pivoting of a mould or tray rotating ice mould
-
- 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
- F25C2400/10—Refrigerator units
-
- 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
- F25C2600/02—Timing
Definitions
- the present invention relates to a refrigerator, and more particularly to a refrigerator equipped with an ice making device that generates ice.
- the ice storage box is fully iced. Detect if not. In some cases, the signal cannot be received within a predetermined time due to the solid state of the operating time of the ice-breaking motor, temperature variations, etc., and the ice in the ice storage box cannot be detected. In this case, water is supplied from the intake valve even though ice cannot be put into the ice storage box and ice remains in the ice tray.
- the ice of a predetermined size cannot be generated, and the water overflows when water is supplied, and the water also flows into the ice storage box storing the ice, melting the stored ice, and On the other hand, there was a problem that the quality of ice size was greatly impaired.
- This invention solves the said conventional subject and aims at providing the refrigerator which can produce
- a refrigerator includes an ice making device having an ice making machine that generates ice and an ice storage box that stores the ice generated by the ice making machine.
- the ice making machine includes an ice tray that receives water supplied from outside, and when the water in the ice tray has solidified into ice, the ice tray is rotated to remove the ice from the ice tray.
- FIG. 1 is a front view of the refrigerator according to Embodiment 1 of the present invention.
- FIG. 2 is a configuration diagram showing the configuration of the ice making machine provided in the refrigerator according to Embodiment 1 of the present invention.
- FIG. 3 is a block diagram illustrating a functional configuration of a control mechanism included in the refrigerator according to Embodiment 1 of the present invention.
- FIG. 4 is a flowchart showing an example of the operation of the control unit of the refrigerator in the first embodiment of the present invention.
- FIG. 5 is a control timing chart showing the operation of the ice removal motor of the refrigerator in the first embodiment of the present invention.
- FIG. 6 is a diagram for explaining a solid variation correction characteristic diagram of the operating time of the ice detaching motor according to the first embodiment of the present invention.
- FIG. 1 is a front view of the refrigerator according to Embodiment 1 of the present invention.
- FIG. 2 is a configuration diagram showing the configuration of the ice making machine provided in the refrigerator according to Embodiment
- FIG. 7 is a control timing chart showing the operation of the ice removing motor 32 in which the solid variation is corrected in the first embodiment of the present invention.
- FIG. 8 is a diagram for explaining the temperature characteristics of the operating time of the ice-breaking motor according to the second embodiment of the present invention.
- FIG. 9 is a diagram for explaining the temperature variation correction characteristic of the operation time of the ice removing motor according to the second embodiment of the present invention.
- FIG. 10 is a control timing chart showing the operation of the ice removal motor 32 in which the solid variation is corrected in the second embodiment of the present invention.
- the control unit measures the time until the signal from the detection unit is changed by rotating the deicing motor, and corrects the operating time of the deicing motor.
- the control unit measures the time until the signal from the detection unit is changed by rotating the deicing motor, and corrects the operating time of the deicing motor.
- the control unit measures the time until the signal from the detection unit changes after rotating the deicing motor, and determines the operation time of the deicing motor according to the value detected by the freezer temperature sensor. to correct.
- the control unit measures the time until the signal from the detection unit changes after rotating the deicing motor, and determines the operation time of the deicing motor according to the value detected by the freezer temperature sensor. to correct.
- FIG. 1 is a front view of a refrigerator 10 according to Embodiment 1 of the present invention.
- the refrigerator main body 11 is a rectangular parallelepiped heat insulation box formed by filling a heat insulating material between an outer box and an inner box, and a freezer compartment is formed inside.
- the freezer compartment doors 12 and 13 are doors for the freezer compartment provided in front of the refrigerator main body 11, the freezer compartment door 12 is a left door, and the freezer compartment door 13 is a right door. In the figure, the freezer compartment door 12 is shown open.
- the operation board 14 is an operation board disposed at the left end of the freezer compartment door 13.
- the freezer temperature sensor 15 is a sensor that detects the temperature in the freezer compartment formed inside the refrigerator 10, and is provided near the center of the freezer compartment.
- the interior lamp 16 is an interior lamp that illuminates the interior of the refrigerator disposed on the side wall of the freezer compartment of the refrigerator body 11.
- the ice making device 20 is a device that generates ice and is disposed in the freezer compartment door 12.
- the ice making device 20 is supplied with tap water from the spout 19 through the water tank 17, the water intake valve 17 a and the water pipe 18.
- the ice making device 20 includes an ice making machine 21 that automatically generates ice, and an ice storage box 22 that stores the ice generated by the ice making machine 21.
- the detailed configuration of the ice making machine 21 will be described later.
- FIG. 2 is a configuration diagram showing the configuration of the ice making machine 21 provided in the refrigerator 10 according to the first embodiment of the present invention.
- the ice making machine 21 includes an ice tray 31, an ice removing motor 32, a detection unit 33, and an ice detecting lever 34.
- the ice tray 31 is a tray that receives water supplied from the outside. Specifically, the ice tray 31 receives water from the spout 19 via the water pipe 18 when the water intake valve 17a is opened.
- the water intake valve 17a is disposed in the water pipe 18 having one end directly connected to the tap and the other end connected to the spout 19, and causes a predetermined amount of water to be poured from the spout 19 into the ice tray 31.
- the ice-breaking motor 32 is connected to the ice-making tray 31, and when the water in the ice-making tray 31 is solidified into ice, the ice-making tray 31 is rotated to separate the ice from the ice-making tray 31. Specifically, when it is determined that the water in the ice tray 31 has solidified into ice, the ice removing motor 32 rotates the ice tray 31 in the normal direction, peels off the ice in the ice tray 31, and reverses again. The ice tray 31 is returned to the horizontal position by rotation.
- the detection unit 33 is a position detection unit that detects the position of the ice tray 31 incorporated in the ice removal motor 32. Specifically, the detection unit 33 detects the rotational position of the ice removal motor 32 and also detects whether or not the ice storage box 22 is in a full ice state where ice exceeding a predetermined amount is stored.
- FIG. 3 is a block diagram showing a functional configuration of the control mechanism provided in the refrigerator 10 according to Embodiment 1 of the present invention.
- the control unit 41 is connected to the detection unit 33 and causes the detection unit 33 to detect the position of the ice tray 31 and whether or not the ice storage box 22 is full of ice.
- control unit 41 detects the temperature at which the water in the ice tray 31 is solidified into ice by the freezer temperature sensor 15, and adjusts the ice removal motor 32 to the motor drive unit 43 having a function of operating the ice removal motor 32. Rotate to peel off the ice from the ice tray 31. Thereafter, the control unit 41 causes the motor driving unit 43 to reversely operate the ice removal motor 32 to the horizontal position.
- control unit 41 causes the valve drive unit 44 that controls opening and closing of the water intake valve 17a after the ice in the ice tray 31 is deiced by the ice motor 32 to take in water for controlling the supply of water to the ice tray 31.
- the valve 17a is opened.
- control part 41 rotates the ice-making tray 31 at the time of power-on, measures the time until the signal from the detection part 33 changes, and uses the measured time of the ice-ice motor 32. Correct the operating time. Specifically, the control unit 41 measures the time from when the ice removal motor 32 starts to operate until the detection unit 33 detects that the ice is not full as the time until the signal changes, Using the time, the time for detecting that the detection unit 33 is full of ice is corrected as the operation time of the ice removal motor 32.
- FIG. 4 is a flowchart showing an example of the operation of the control unit 41 of the refrigerator 10 according to the first embodiment of the present invention.
- control unit 41 causes the ice-making motor 31 to rotate the ice tray 31 when the power is turned on (S102).
- control part 41 measures the time until the signal from the detection part 33 changes with operation
- FIG. 3 is a diagram showing the relationship between the operation of the ice removal motor 32 and the detection unit 33 incorporated in the ice removal motor 32 and whose signal changes according to the position of the ice tray 31. .
- description will be given using the position numbers (1) and (2) shown in FIG.
- the ice tray 31 is in a horizontal position, and the signal of the detection unit 33 indicates “H”.
- the control unit 41 stops the forward rotation operation of the ice removal motor 32. In this case, the ice tray 31 is rotated 180 degrees to be in an ice-free state, and the ice in the ice tray 31 falls into the ice storage box 22.
- control unit 41 counts the time tx until the change of the signal of the detection unit 33 from the position number (1) to (2).
- the deicing motor 32 maintains the reverse operation, and if the position number (1) changes from “L” to “H”.
- the control unit 41 causes the ice removing motor 32 to return the ice tray 31 to the horizontal position, and stops the ice removing motor 32 within the period t12.
- FIG. 6 is a diagram for explaining the solid variation correction characteristic of the operation time of the ice removing motor 32 according to the first embodiment of the present invention.
- the timing of the ice-breaking motor 32 and the detection unit 33 has a fixed variation, and by adding the following correction value, erroneous detection of the detection unit 33 can be prevented. To do.
- tm is a period from the start of the operation of the ice removal motor 32 until the detection unit 33 detects full ice.
- FIG. 7 is a control timing chart showing the operation of the ice removing motor 32 in which the solid variation is corrected in the first embodiment of the present invention.
- the deicing motor 32 sends a signal for forward rotation to the deicing motor 32 in accordance with an instruction from the control unit 41 to the motor driving unit 43.
- the dish 31 starts the forward rotation operation, and the signal of the detection unit 33 becomes “L” after t14.
- the detection unit 34 detects the detection unit. 33 indicates that the ice in the ice storage box 22 is detected as full. For this reason, the ice removing motor 32 is switched to the reverse operation by the control unit 41 in order to return the ice making tray 31 to the horizontal position without the ice making from the ice tray 31 being removed.
- the control unit 41 performs control with a value obtained by correcting t21 to tm1. As a result, full ice can be detected from the position number (3) without affecting the individual variation of the ice removing motor 32.
- the refrigerator 10 in the first embodiment when the power is turned on, the time until the signal from the detection unit 33 is changed by rotating the ice removal motor 32 is measured, and the operation of the ice removal motor 32 is measured. Correct the time.
- the time until the signal from the detection unit 33 is changed by rotating the ice removal motor 32 is measured, and the operation of the ice removal motor 32 is measured. Correct the time.
- the detection unit 33 when there is no signal from the detection unit 33 within a predetermined time during the normal rotation of the ice removal motor 32, it is detected that the ice storage box 22 is not full of ice. False detection of ice tray position signal or full ice signal. For this reason, it is possible to prevent erroneous detection of the detection unit 33 by measuring the variation of the solid in the predetermined time of the ice removing motor 32 in advance and correcting the operation time.
- control unit 41 measures the time from when the ice removal motor 32 starts to operate until the detection unit 33 detects that the ice is not full, and uses the measured time to detect the detection unit 33.
- the time to detect when the ice is full is corrected. That is, by correcting the time for detecting that the detection unit 33 is full of ice, it is possible to accurately detect that the detection unit 33 is full of ice, thereby preventing erroneous detection of the detection unit 33. Can do.
- FIG. 8 is a diagram for explaining the temperature characteristics of the operating time of the ice removal motor 32 in the second embodiment of the present invention.
- FIG. 9 is a diagram for explaining the temperature variation correction characteristic of the operating time of the ice removal motor 32 according to the second embodiment of the present invention.
- the time tx from the position number (1) to (2) in the control timing chart of the ice removal motor 32 of the refrigerator 10 in the first embodiment shown in FIG. 5 depends on the temperature detected by the freezer temperature sensor 15. Change.
- FIG. 8 shows a characteristic in which the value changes to tx4 at ⁇ 20 degrees and to tx3 at 25 degrees.
- the control unit 41 measures the value of tx based on the characteristics shown in the figure and the control timing chart of the ice removal motor 32 shown in FIG. To do.
- the detection unit 33 is added by adding a correction value due to temperature variation for the timing between the ice removal motor 32 and the detection unit 33. In the following, how to correct the error will be described.
- tm is obtained from the characteristics shown in FIG. 9 based on the measurement result of tx.
- tm is a period from the start of the operation of the ice removal motor 32 until the detection unit 33 detects full ice.
- FIG. 10 is a control timing chart showing the operation of the ice removal motor 32 in which the solid variation is corrected in the second embodiment of the present invention.
- the deicing motor 32 sends a signal for forward rotation to the deicing motor 32 in accordance with an instruction from the control unit 41 to the motor driving unit 43.
- the dish 31 starts the forward rotation operation, and the signal of the detection unit 33 becomes “L” after t14.
- the period of t21 is a predetermined value, but due to individual variations of the ice removing motor 32, the change in the signal of the detection unit 33 at the position number (3) from “L” to “H” becomes tm. It may take some time. That is, when t21 ⁇ tm, the detection unit 33 cannot detect full ice, and the position number (3) is mistaken for the position number (2), so that the ice removal motor 32 performs the reverse operation. In this case, the ice tray 31 returns to the horizontal position at the position number (1), and water is supplied from the water intake valve 17a even though ice remains in the ice tray 31.
- the present invention can be realized as a control method for controlling the refrigerator.
- a characteristic process included in the control method as a program that causes a computer to execute.
- a program can be distributed via a recording medium such as a CD-ROM and a transmission medium such as the Internet.
- ice of a predetermined size is formed, water does not flow into the ice storage box for storing ice, and the stored ice is not melted. It can be applied to refrigerators that provide quality ice, and can also be applied to other controls such as a system kitchen storage and various storages equipped with an ice making device linked to other equipment.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Production, Working, Storing, Or Distribution Of Ice (AREA)
Abstract
Description
図1は、本発明の実施の形態1における冷蔵庫10の正面図である。
本実施の形態2では、制御部41は、冷凍室温度センサ15で検出された値をさらに用いて、離氷モータ32の動作時間を補正する。つまり、制御部41は、離氷の動作前に離氷モータ32に製氷皿31を回転させ、検知部33からの信号が変化するまでの時間を測定し、測定した当該時間と冷凍室温度センサ15で検出された値とを用いて、離氷モータ32の動作時間を補正する。
11 冷蔵庫本体
12、13 冷凍室ドア
14 操作基板
15 冷凍室温度センサ
16 庫内灯
17 ウォータタンク
17a 取水バルブ
18 水道用パイプ
19 注ぎ口
20 製氷装置
21 製氷機
22 貯氷箱
31 製氷皿
32 離氷モータ
33 検知部
34 検氷レバー
41 制御部
42 電源
43 モータ駆動部
44 バルブ駆動部
Claims (3)
- 氷を生成する製氷機と、前記製氷機で生成された氷を貯めておく貯氷箱とを有する製氷装置を備える冷蔵庫であって、
前記製氷機は、
外部から供給される水を受ける製氷皿と、
前記製氷皿の水が氷に凝固した場合に、前記製氷皿を回転させ、前記氷を前記製氷皿から離氷させる離氷モータと、
前記離氷モータの回転位置を検知するとともに、前記貯氷箱に所定量を超える氷が貯められている満氷状態であるか否かを検知する検知部とを備え、
前記冷蔵庫は、さらに、
電源投入時に前記離氷モータに前記製氷皿を回転させ、前記検知部からの信号が変化するまでの時間を測定し、測定した当該時間を用いて前記離氷モータの動作時間を補正する制御部を備える
冷蔵庫。 - 前記制御部は、前記離氷モータが動作を開始してから前記検知部が満氷でないことを検知するまでの時間を前記信号が変化するまでの時間として測定し、測定した当該時間を用いて、前記検知部が満氷であることを検知する時間を、前記離氷モータの動作時間として補正する
請求項1に記載の冷蔵庫。 - さらに、
前記冷蔵庫内方に形成された冷凍室内の温度を検知する冷凍室温度センサを備え、
前記制御部は、さらに、前記離氷の動作前に前記離氷モータに前記製氷皿を回転させ、前記検知部からの信号が変化するまでの時間を測定し、測定した当該時間と前記冷凍室温度センサで検出された値とを用いて、前記離氷モータの動作時間を補正する
請求項1または2に記載の冷蔵庫。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012518223A JP5442117B2 (ja) | 2010-05-31 | 2011-05-24 | 冷蔵庫 |
CN201180011725.5A CN102782425B (zh) | 2010-05-31 | 2011-05-24 | 冷藏库 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010123974 | 2010-05-31 | ||
JP2010-123974 | 2010-05-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011151991A1 true WO2011151991A1 (ja) | 2011-12-08 |
Family
ID=45066384
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/002869 WO2011151991A1 (ja) | 2010-05-31 | 2011-05-24 | 冷蔵庫 |
PCT/JP2011/003040 WO2011152035A1 (ja) | 2010-05-31 | 2011-05-31 | 冷蔵庫 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/003040 WO2011152035A1 (ja) | 2010-05-31 | 2011-05-31 | 冷蔵庫 |
Country Status (4)
Country | Link |
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JP (1) | JP5442117B2 (ja) |
CN (1) | CN102782425B (ja) |
TW (1) | TWI497022B (ja) |
WO (2) | WO2011151991A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9709312B2 (en) * | 2014-11-11 | 2017-07-18 | Electrolux Home Products, Inc. | Refrigerator with ice bucket on door |
WO2017061012A1 (ja) * | 2015-10-08 | 2017-04-13 | 三菱電機株式会社 | 冷蔵庫 |
CN108151385B (zh) * | 2017-12-15 | 2019-06-28 | 合肥华凌股份有限公司 | 冰箱及其节能控制方法、装置 |
CN110274415B (zh) * | 2019-06-17 | 2021-04-27 | 合肥华凌股份有限公司 | 制冰机控制方法、制冰机及计算机可读存储介质 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06159875A (ja) * | 1992-11-24 | 1994-06-07 | Hitachi Ltd | 製氷機 |
JPH08233419A (ja) * | 1995-02-27 | 1996-09-13 | Matsushita Refrig Co Ltd | 製氷装置 |
JPH10288435A (ja) * | 1997-04-15 | 1998-10-27 | Mitsubishi Electric Corp | 冷蔵庫 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0765230A (ja) * | 1993-08-30 | 1995-03-10 | Fuji Electric Co Ltd | カップ式自動販売機の氷吐出装置 |
JP2830751B2 (ja) * | 1994-09-28 | 1998-12-02 | 三菱電機株式会社 | 自動製氷機の制御装置 |
JP3296967B2 (ja) * | 1996-03-27 | 2002-07-02 | 株式会社三協精機製作所 | 自動製氷機の駆動装置 |
KR0177739B1 (ko) * | 1996-06-10 | 1999-04-15 | 윤종용 | 자동제빙기의 오동작 방지방법 |
KR0177738B1 (ko) * | 1996-06-10 | 1999-04-15 | 윤종용 | 자동제빙기의 이빙모드 제어방법 |
JP2006078083A (ja) * | 2004-09-09 | 2006-03-23 | Matsushita Electric Ind Co Ltd | 自動製氷機付き冷蔵庫 |
JP2009243776A (ja) * | 2008-03-31 | 2009-10-22 | Panasonic Corp | 冷蔵庫 |
JP2010078205A (ja) * | 2008-09-25 | 2010-04-08 | Panasonic Corp | 冷蔵庫 |
-
2011
- 2011-05-24 WO PCT/JP2011/002869 patent/WO2011151991A1/ja active Application Filing
- 2011-05-24 JP JP2012518223A patent/JP5442117B2/ja not_active Expired - Fee Related
- 2011-05-24 CN CN201180011725.5A patent/CN102782425B/zh not_active Expired - Fee Related
- 2011-05-30 TW TW100118870A patent/TWI497022B/zh not_active IP Right Cessation
- 2011-05-31 WO PCT/JP2011/003040 patent/WO2011152035A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06159875A (ja) * | 1992-11-24 | 1994-06-07 | Hitachi Ltd | 製氷機 |
JPH08233419A (ja) * | 1995-02-27 | 1996-09-13 | Matsushita Refrig Co Ltd | 製氷装置 |
JPH10288435A (ja) * | 1997-04-15 | 1998-10-27 | Mitsubishi Electric Corp | 冷蔵庫 |
Also Published As
Publication number | Publication date |
---|---|
JP5442117B2 (ja) | 2014-03-12 |
CN102782425B (zh) | 2014-07-09 |
TW201207338A (en) | 2012-02-16 |
CN102782425A (zh) | 2012-11-14 |
TWI497022B (zh) | 2015-08-21 |
WO2011152035A1 (ja) | 2011-12-08 |
JPWO2011151991A1 (ja) | 2013-07-25 |
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