JPH058360U - Automatic ice machine - Google Patents

Automatic ice machine

Info

Publication number
JPH058360U
JPH058360U JP5256991U JP5256991U JPH058360U JP H058360 U JPH058360 U JP H058360U JP 5256991 U JP5256991 U JP 5256991U JP 5256991 U JP5256991 U JP 5256991U JP H058360 U JPH058360 U JP H058360U
Authority
JP
Japan
Prior art keywords
phase change
ice
detection sensor
water
ice making
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP5256991U
Other languages
Japanese (ja)
Inventor
孝則 松野
孝幸 大谷
Original Assignee
東陶機器株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 東陶機器株式会社 filed Critical 東陶機器株式会社
Priority to JP5256991U priority Critical patent/JPH058360U/en
Publication of JPH058360U publication Critical patent/JPH058360U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】 (修正有) 【目的】 水が氷に相変化したことを検出可能な相変化
検知センサを具備する冷蔵庫等の自動製氷装置である。 【構成】 製氷容器設置部に、製氷容器内の水が氷に相
変化するのを検知する相変化検知センサを取付け、さら
に、好ましくは、相変化検知センサを、高周波発振器に
接続された励起用電極と、この励起用電極に対し絶縁さ
れ、励起用電極より発振する電磁波を受ける受信用検出
コイルとから構成し、受信用検出コイル周辺をなす製氷
容器内の水の相変化を電導率、誘電率の変化として、受
信用検出コイルに誘導される共振電圧、若しくは共振周
波数の変化で捕らえるように構成している。これによ
り、相変化検知センサの検出出力に基づいて、水が氷に
完全に相変化した時を認識でき、従って、それ以降の過
剰なフリーザー部の冷却を防止することができ、冷却に
要する消費電力を大幅に低減することができる。
(57) [Summary] (Modified) [Purpose] An automatic ice making device such as a refrigerator equipped with a phase change detection sensor capable of detecting a phase change of water. [Configuration] A phase change detection sensor for detecting a phase change of water in the ice making container into ice is attached to the ice making container installation portion, and preferably, the phase change detection sensor is for excitation connected to a high frequency oscillator. It is composed of an electrode and a receiving detection coil that is insulated from the excitation electrode and receives an electromagnetic wave oscillated from the excitation electrode. As a change in the ratio, it is configured to be detected by a change in the resonance voltage or the resonance frequency induced in the receiving detection coil. As a result, it is possible to recognize when the water has completely changed into ice based on the detection output of the phase change detection sensor, and therefore, it is possible to prevent excessive cooling of the freezer section after that, and to reduce the consumption of cooling. The power can be significantly reduced.

Description

【考案の詳細な説明】[Detailed description of the device]

【0001】[0001]

【産業上の利用分野】[Industrial applications]

本考案は、相変化検知センサを具備する自動製氷装置に関する。   The present invention relates to an automatic ice making device having a phase change detection sensor.

【0002】[0002]

【従来の技術】[Prior art]

従来、例えば、冷蔵庫におけるフリーザー部における製氷は、製氷皿内に水を 送り、一定時間経過後、必要に応じて、製氷皿から氷片を取り出している。   Conventionally, for example, ice making in the freezer section of a refrigerator requires water to be stored in an ice tray. After sending, after a lapse of a certain time, ice pieces are taken out from the ice tray as needed.

【0003】[0003]

【考案が解決しようとする課題】[Problems to be solved by the device]

しかし、水が氷になったことを検出していないため、氷ができあがっても、製 氷皿内の急冷却を続けており、電力を相当無駄使いすることになっていた。   However, since it has not detected that the water has turned into ice, even if ice is created, Continued rapid cooling of the ice tray, wasted a lot of power.

【0004】 本考案は、上記した課題を解決することができる相変化検知センサを具備する 自動製氷装置を提供することを目的とする。[0004]   The present invention comprises a phase change detection sensor capable of solving the above-mentioned problems. It is an object to provide an automatic ice making device.

【0005】[0005]

【課題を解決するための手段】[Means for Solving the Problems]

本考案は、製氷容器設置部に、製氷容器内の水が氷に相変化するのを検出する 相変化検知センサを取付けたことを特徴とする相変化検知センサを具備する自動 製氷装置に係るものである。   The present invention detects the phase change of water in the ice making container into ice in the ice making container installation section. Automatic equipped with phase change detection sensor characterized by mounting phase change detection sensor The present invention relates to an ice making device.

【0006】 また、本考案は、相変化検知センサを、高周波発振器に接続された励起用電極 と、この励起用電極に対し絶縁され、励起用電極より発振する電磁波を受ける受 信用検出コイルとから構成し、受信用検出コイル周辺をなす製氷容器内の水の相 変化を電導率、誘電率の変化として、受信用検出コイルに誘導される共振電圧、 若しくは共振周波数の変化で捕らえるように構成したことにも特徴を有する。[0006]   The present invention also provides a phase change detection sensor, which is an excitation electrode connected to a high frequency oscillator. Is insulated from the excitation electrode and receives the electromagnetic wave oscillated from the excitation electrode. The trust detection coil and the phase of the water in the ice-making container around the reception detection coil. Resonance voltage induced in the receiving detection coil as a change in electrical conductivity and dielectric constant, Alternatively, it is also characterized in that it is configured so as to be detected by a change in resonance frequency.

【0007】[0007]

【実施例】【Example】

以下、添付図に示す実施例に基づいて、本考案を具体的に説明する。   Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings.

【0008】 図1に本考案に係る相変化検知センサSを具備する自動製氷装置を示す。なお 、本実施例では、自動製氷装置は冷蔵庫Aとして示されている。[0008]   FIG. 1 shows an automatic ice making device equipped with a phase change detection sensor S according to the present invention. Note that In this embodiment, the automatic ice making device is shown as a refrigerator A.

【0009】 図示するように、冷蔵庫Aは、その下段及び中段に冷蔵室10,11 を形成すると ともに、その上段に冷凍室12を設け、さらに、その一部に製氷用のフリーザー部 13を設けている。[0009]   As shown in the figure, in the refrigerator A, when the refrigerating chambers 10 and 11 are formed in the lower and middle stages, respectively. Both have a freezer compartment 12 on the upper stage, and a freezer part for ice making in a part of them. 13 are provided.

【0010】 図示するように、フリーザー部13は、内部に急冷空間14を形成するフレーム15 と、同フレーム15の水平載置部15a 上に載置した複数の製氷皿16とからなる。[0010]   As shown, the freezer section 13 includes a frame 15 that forms a quenching space 14 inside. And a plurality of ice trays 16 mounted on the horizontal mounting portion 15a of the frame 15.

【0011】 かかる冷蔵庫Aの全体構成において、本考案は、フレーム15の水平載置部15a に、製氷皿16内に満たした水が氷に相変化するのを検出する相変化検知センサS を取付けた構成に特徴を有する。[0011]   In the overall configuration of the refrigerator A, the present invention is based on the horizontal mounting portion 15a of the frame 15. In addition, a phase change detection sensor S for detecting the phase change of water filled in the ice tray 16 into ice. It is characterized by the structure in which is attached.

【0012】 以下、相変化検知センサSの構成を、図2及び図3を参照して具体的に説明す る。[0012]   Hereinafter, the configuration of the phase change detection sensor S will be specifically described with reference to FIGS. 2 and 3. It

【0013】 図示するように、相変化検知センサSは、そのセンサヘッドを平板状としたこ とを特徴とする。即ち、センサヘッドは、フレーム15の水平載置部15a の裏面に 形成した凹部17内に重合状態に設けた、励起用電極22と、絶縁板23と、受信用検 出コイル24とからなる。そして、励起用電極22はリード線25によって制御部C内 の高周波発振器26に接続されており、受信用検出コイル24と励起用電極22とはリ ード線27,28 によって制御部C内の高感度交流電圧計29に接続されている。[0013]   As shown in the figure, the phase change detection sensor S has a flat sensor head. And are characterized. That is, the sensor head is mounted on the back surface of the horizontal mounting portion 15a of the frame 15. The excitation electrode 22, the insulating plate 23, and the reception detector provided in the formed recess 17 in a superposed state. It consists of an output coil 24. The excitation electrode 22 is connected to the inside of the control unit C by the lead wire 25. Connected to the high-frequency oscillator 26, and the receiving detection coil 24 and the excitation electrode 22 are connected to each other. It is connected to the high-sensitivity AC voltmeter 29 in the control section C by the lead wires 27 and 28.

【0014】 なお、励起用電極22は厚さ 0.5 mm 程度の円板体であり、受信用検出コイル24 は図3に示すように平面スパイラル状としている。[0014]   The excitation electrode 22 is a disc body with a thickness of about 0.5 mm, and the receiving detection coil 24 Has a plane spiral shape as shown in FIG.

【0015】 次に、上記構成を有する相変化検知センサSを具備する冷蔵庫Aの使用方法に ついて説明する。[0015]   Next, a method of using the refrigerator A including the phase change detection sensor S having the above configuration will be described. explain about.

【0016】 今、内部に水Wを満たした製氷皿16をフリーザー部13の水平載置部15a 上に載 置するとともに、フリーザー部13の内部を急冷する急冷スイッチをオンする。[0016]   Now, place the ice tray 16 filled with water W on the horizontal placing portion 15a of the freezer portion 13. The freezing unit 13 is turned on and a rapid cooling switch for rapidly cooling the inside of the freezer unit 13 is turned on.

【0017】 一方、相変化検知センサSを作動して、高周波発振器26により高周波電磁場を 励起用電極22に印加し、この励起用電極22より発振する電磁波を受信用検出コイ ル24で受けることにより、ある周波数に共振ピークを観察することができる。そ の測定結果を図4に示す。[0017]   On the other hand, by operating the phase change detection sensor S, the high frequency electromagnetic field is generated by the high frequency oscillator 26. An electromagnetic wave that is applied to the excitation electrode 22 and oscillates from the excitation electrode 22 is received by the detection coil. The resonance peak can be observed at a certain frequency by receiving the signal at the frequency 24. So The measurement result of is shown in FIG.

【0018】 図4において、周波数F1は電導率に関係したもので、電導率が大きくなるに従 いピークは大きくなる。周波数F2における共振ピークは誘電率に関係したもので 、誘電率が大きくなるに従いピークも大きくなる。In FIG. 4, the frequency F 1 is related to the electric conductivity, and the peak increases as the electric conductivity increases. The resonance peak at frequency F 2 is related to the dielectric constant, and the peak also increases as the dielectric constant increases.

【0019】 従って、製氷皿16内の水が電導性の場合には、周波数F1の付近に設定し、同水 が誘電性の場合には、周波数F2の付近に設定しておくことによって、製氷皿16内 の水が氷に完全に液相から固相に相変化をしたか否かを容易かつ確実に検出する ことができる。Therefore, when the water in the ice tray 16 is electrically conductive, it is set near the frequency F 1 , and when the water is dielectric, it is set near the frequency F 2 . It is possible to easily and surely detect whether or not the water in the ice tray 16 has completely changed its phase from ice to ice.

【0020】 また、同検出出力に基づいて、制御装置29を介して、図示しない冷却装置の冷 却能力を低下して、いったん造った氷が水に再度溶けない状態で、フリーザー部 の冷却を継続することができる。[0020]   Further, based on the detected output, the cooling device (not shown) is cooled by the control device 29. When the ice that has been made does not dissolve again in water, Cooling can be continued.

【0021】 このように、本実施例では、相変化検知センサSの検出出力に基づいて、水が 氷に完全に変化した時を認識でき、従って、それ以降の過剰なフリーザー部13の 冷却を防止することができるので、冷却に要する消費電力を大幅に低減すること ができる。[0021]   As described above, in this embodiment, based on the detection output of the phase change detection sensor S, water is You can recognize when it has completely changed to ice, and therefore the excess freezer section 13 Cooling can be prevented, so the power consumption required for cooling can be significantly reduced. You can

【0022】 また、励起用電極22は製氷皿16内の水と直接接触することがないので、励起用 電極22の腐食を防止することができ、長期間にわたって安定して使用でき、また 、できあがった氷の表面を平滑なものとすることができ、営業用等に氷を用いる 場合には製品価値を高めることができる。[0022]   Also, since the excitation electrode 22 does not come into direct contact with the water in the ice tray 16, Corrosion of the electrode 22 can be prevented, stable use over a long period of time, and , The surface of the finished ice can be made smooth, and the ice is used for commercial purposes. In some cases product value can be increased.

【0023】 さらに、本考案に係る自動製氷装置としては、図示しないが、それぞれ水を満 たした複数の大型の製氷容器を容易しておき、1の製氷容器のみを強冷却し、同 容器中の水が完全に氷に相変化したことを相変化検知センサSによって判断した 後、同容器から氷を取り出す、又は水に戻らない程度で弱冷却する一方、次の製 氷容器を強冷却し、次の氷を製氷するようにしてもよい、 かかる構成によって、小冷却能力の自動製氷装置を用いて、大量の氷を、電力 消費を可及的に抑えながらつくることができる。[0023]   Further, although not shown, the automatic ice making device according to the present invention is filled with water. Make multiple large ice-making containers easy, and cool only one ice-making container It was determined by the phase change detection sensor S that the water in the container had completely changed into ice. After that, remove the ice from the container or cool it slightly without returning it to the water, You may cool the ice container strongly and make the next ice cube,   With this configuration, a large amount of ice can be consumed by using an automatic ice-making device with a small cooling capacity. It can be made while suppressing consumption as much as possible.

【0024】[0024]

【効果】【effect】

以上説明してきたように、本考案では、製氷容器設置部に、製氷容器内の水が 氷に相変化するのを検知する相変化検知センサを取付け、さらに、好ましくは、 相変化検知センサを、高周波発振器に接続された励起用電極と、この励起用電極 に対し絶縁され、励起用電極より発振する電磁波を受ける受信用検出コイルとか ら構成し、受信用検出コイル周辺をなす製氷容器内の水の相変化を電導率、誘電 率の変化として、受信用検出コイルに誘導される共振電圧、若しくは共振周波数 の変化で捕らえるように構成している。   As described above, according to the present invention, the water in the ice making container is placed in the ice making container installation section. A phase change detection sensor for detecting a phase change in ice is attached, and more preferably, The phase change detection sensor is connected to the excitation electrode connected to the high-frequency oscillator and the excitation electrode. A receiving detection coil that is insulated from the The phase change of water in the ice-making container around the receiving detection coil is Resonance voltage or resonance frequency induced in the receiving detection coil as a change in rate It is configured to be caught by the change of.

【0025】 かかる構成によって、相変化検知センサの検出出力に基づいて、水が氷に完全 に相変化した時を認識でき、従って、それ以降の過剰なフリーザー部の冷却を防 止することができ、冷却に要する消費電力を大幅に低減することができる。[0025]   With this configuration, the water is completely absorbed into the ice based on the detection output of the phase change detection sensor. It is possible to recognize when a phase change occurs, thus preventing excessive cooling of the freezer section after that. Therefore, the power consumption required for cooling can be significantly reduced.

【0026】 また、相変化検知センサの励起用電極は製氷容器内の水と直接接触することが ないので、励起用電極の腐食を防止することができ、長期間にわたって安定して 使用でき、また、できあがった氷の表面を平滑なものとすることができ、営業用 等に氷を用いる場合には製品価値を高めることができる。[0026]   Also, the excitation electrode of the phase change detection sensor may come into direct contact with the water in the ice making container. Since it does not exist, it is possible to prevent corrosion of the excitation electrode and to stabilize it for a long period of time. It can be used, and the surface of the finished ice can be made smooth, for commercial use. The product value can be increased when ice is used for such purposes.

【図面の簡単な説明】[Brief description of drawings]

【図1】本考案に係る相変化検知センサを具備する自動
製氷装置としての冷蔵庫の全体構成図である。
FIG. 1 is an overall configuration diagram of a refrigerator as an automatic ice making device equipped with a phase change detection sensor according to the present invention.

【図2】相変化検知センサの全体構成図である。FIG. 2 is an overall configuration diagram of a phase change detection sensor.

【図3】図2のI-I 線による矢視図である。3 is a view taken along line I-I of FIG.

【図4】製氷容器内の水における共振電圧・共振周波数
との関係を示すグラフである。
FIG. 4 is a graph showing the relationship between the resonance voltage and the resonance frequency of water in the ice making container.

【符号の説明】[Explanation of symbols]

A 冷蔵庫 S 相変化検知センサ 22 励起用電極 24 受信用検出コイル 26 高周波発振器 A refrigerator S phase change detection sensor 22 Excitation electrode 24 Reception detection coil 26 high frequency oscillator

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】 製氷容器設置部に、製氷容器内の水が氷
に相変化するのを検知する相変化検知センサを取付けた
ことを特徴とする相変化検知センサを具備する自動製氷
装置。
1. An automatic ice making device having a phase change detection sensor, wherein a phase change detection sensor for detecting a phase change of water in the ice making container into ice is attached to the ice making container installation portion.
【請求項2】 相変化検知センサを、高周波発振器に接
続された励起用電極と、この励起用電極に対し絶縁さ
れ、励起用電極より発振する電磁波を受ける受信用検出
コイルとから構成し、受信用検出コイル周辺をなす製氷
容器内の水の相変化を電導率、誘電率の変化として、受
信用検出コイルに誘導される共振電圧、若しくは共振周
波数の変化で捕らえるように構成したことを特徴とする
請求項1記載の相変化検知センサを具備する自動製氷装
置。
2. A phase change detection sensor comprises an excitation electrode connected to a high-frequency oscillator, and a reception detection coil insulated from the excitation electrode and receiving an electromagnetic wave oscillated by the excitation electrode for reception. It is characterized in that the phase change of water in the ice-making container around the detection coil for use as a change in electric conductivity and permittivity is detected by the change in resonance voltage or resonance frequency induced in the detection coil for reception. An automatic ice making device comprising the phase change detection sensor according to claim 1.
JP5256991U 1991-07-08 1991-07-08 Automatic ice machine Pending JPH058360U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5256991U JPH058360U (en) 1991-07-08 1991-07-08 Automatic ice machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5256991U JPH058360U (en) 1991-07-08 1991-07-08 Automatic ice machine

Publications (1)

Publication Number Publication Date
JPH058360U true JPH058360U (en) 1993-02-05

Family

ID=12918440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5256991U Pending JPH058360U (en) 1991-07-08 1991-07-08 Automatic ice machine

Country Status (1)

Country Link
JP (1) JPH058360U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006004116A1 (en) * 2004-07-05 2006-01-12 Riken Water-containing material freezing/thawing apparatus and method therefor
EP1991819A1 (en) * 2006-02-15 2008-11-19 LG Electronics, Inc. Générateur de glace et procédé de fabrication de glace

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006004116A1 (en) * 2004-07-05 2006-01-12 Riken Water-containing material freezing/thawing apparatus and method therefor
EP1991819A1 (en) * 2006-02-15 2008-11-19 LG Electronics, Inc. Générateur de glace et procédé de fabrication de glace
EP1991819A4 (en) * 2006-02-15 2010-06-02 Lg Electronics Inc Générateur de glace et procédé de fabrication de glace

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