JP3532803B2 - Non-contact power transmission device - Google Patents
Non-contact power transmission deviceInfo
- Publication number
- JP3532803B2 JP3532803B2 JP30807399A JP30807399A JP3532803B2 JP 3532803 B2 JP3532803 B2 JP 3532803B2 JP 30807399 A JP30807399 A JP 30807399A JP 30807399 A JP30807399 A JP 30807399A JP 3532803 B2 JP3532803 B2 JP 3532803B2
- Authority
- JP
- Japan
- Prior art keywords
- power
- door
- main body
- power feeding
- power receiving
- 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.)
- Expired - Fee Related
Links
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
- F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
- F25D2400/36—Visual displays
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、本体から扉への電
源供給を非接触で行う電力伝達装置に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power transmission device for supplying power from a main body to a door in a contactless manner.
【０００２】[0002]
【従来の技術】従来の技術として、冷凍冷蔵庫に設けた
電力伝達装置を例に挙げて説明する。近年、冷凍冷蔵庫
の扉に情報表示装置や情報入力装置を設けた冷凍冷蔵庫
が実用化されている。情報表示装置を設けることによ
り、使用者は本体側から得られる情報、すなわち庫内の
温度や湿度、自動製氷用給水タンク内の残水量などを一
目で知ることができる。また、情報入力装置を設けるこ
とにより、使用者は庫内温度や湿度の調整といった本体
側の制御を、扉を開けることなく行うことができる。こ
こで、扉に設けた情報表示装置及び情報入力装置までの
電源供給や、本体と扉との信号伝達を、いずれも非接触
で行うことのできる冷凍冷蔵庫が、例えば実公平７−８
７１号公報で知られている。図７は従来の冷凍冷蔵庫の
一例を示す回路図である。2. Description of the Related Art As a conventional technique, a power transmission device provided in a refrigerator-freezer will be described as an example. In recent years, a freezer-refrigerator in which an information display device and an information input device are provided on a door of the refrigerator-freezer has been put into practical use. By providing the information display device, the user can know at a glance the information obtained from the main body side, that is, the temperature and humidity in the refrigerator, the residual water amount in the automatic ice making water supply tank, and the like. Further, by providing the information input device, the user can control the main body side such as adjusting the temperature and humidity inside the refrigerator without opening the door. Here, a freezer / refrigerator that can perform power supply to the information display device and the information input device provided on the door and signal transmission between the main body and the door in a non-contact manner is, for example, a real fair 7-8.
No. 71 publication. FIG. 7 is a circuit diagram showing an example of a conventional refrigerator-freezer.
【０００３】図中に示すように、給電側である本体１０
０には、本体の動作を制御するための制御部１０１と、
その制御部１０１に接続した発振コイル１０２とを設け
ている。一方、受電側である扉２００には、前記発振コ
イル１０２と相対する位置に受電コイル２０１を設けて
いる。ここで、前記扉２００を閉じることにより、前記
発振コイル１０２と前記受電コイル２０１とを互いに隣
接させると、両コイル間に電磁誘導結合が生じる。この
現象によって前記受電コイル２０１に誘起した交流を、
前記扉２００に設けた整流回路２０２によって整流する
ことで、前記扉２００に設けた操作部２０３の電源とす
ることができる。As shown in the figure, the main body 10 on the power supply side
0 is a control unit 101 for controlling the operation of the main body,
An oscillation coil 102 connected to the control unit 101 is provided. On the other hand, the door 200 on the power receiving side is provided with a power receiving coil 201 at a position facing the oscillation coil 102. Here, when the oscillating coil 102 and the power receiving coil 201 are adjacent to each other by closing the door 200, electromagnetic induction coupling occurs between both coils. The alternating current induced in the power receiving coil 201 by this phenomenon is
By rectifying by the rectification circuit 202 provided in the door 200, it can be used as a power source of the operation unit 203 provided in the door 200.
【０００４】また、前記本体１００から前記扉２００へ
の信号伝達は、前記本体１００に設けた第１送信部１０
３と、前記扉２００に設けた第２受信部２０４によって
行っている。すなわち、第１送信部１０３から送出した
信号を、第２受信部２０４によって受信することによ
り、前記本体１００から前記扉２００への信号伝達を非
接触で行うことができる。同様に、前記扉２００に第２
送信部２０５、前記本体１００に第１受信部１０４を設
けているので、前記扉２００から前記本体１００への信
号伝達についても非接触で行うことができる。こうした
非接触による信号伝達手段としては光や超音波等を利用
した方式が考えられる。The signal transmission from the main body 100 to the door 200 is performed by the first transmission section 10 provided in the main body 100.
3 and the second receiver 204 provided on the door 200. That is, the signal transmitted from the first transmission unit 103 is received by the second reception unit 204, so that the signal transmission from the main body 100 to the door 200 can be performed without contact. Similarly, the door 200 has a second
Since the transmitter 205 and the first receiver 104 are provided in the main body 100, signal transmission from the door 200 to the main body 100 can be performed without contact. As a non-contact signal transmission means, a method using light, ultrasonic waves, or the like can be considered.
【０００５】以上のように、本体から扉への電源供給、
及び本体と扉との信号伝達をいずれも非接触で行う従来
の冷凍冷蔵庫では、接触型の給電端子や通信端子といっ
た外部に露出する部材を必要としない。よって、端子表
面の酸化や腐食による接触不良の恐れがなく、また、防
水・防汚染といった面でも有効である。As described above, the power supply from the main body to the door,
In addition, the conventional refrigerator-freezer that performs non-contact signal transmission between the main body and the door does not require a member such as a contact-type power supply terminal or a communication terminal that is exposed to the outside. Therefore, there is no risk of contact failure due to oxidation or corrosion of the terminal surface, and it is also effective in terms of waterproofing / contamination.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、従来の
電力伝達装置では、前記発振コイル１０２と前記受電コ
イル２０１との間に電磁誘導結合が得られない状態、す
なわち、前記扉２００が開いている状態や、前記発振コ
イル１０２と前記受電コイル２０１との間にコイン等の
金属性異物がはさまった状態においても、前記発振コイ
ル１０２は電磁エネルギーの出力を続けるため、不必要
な電力が消費されて非常に不経済である。特に後者の場
合、前記発振コイル１０２と前記受電コイル２０１との
間にはさまった金属性異物には磁力線が通過してショー
ト電流が流れるので、この状態で前記発振コイル１０２
の出力を続けると、前記金属性異物が発熱して高温とな
り、製品の安全性を確保できないという問題がある。However, in the conventional power transmission device, electromagnetic induction coupling cannot be obtained between the oscillation coil 102 and the power receiving coil 201, that is, the state in which the door 200 is open. Also, even when a metallic foreign object such as a coin is sandwiched between the oscillation coil 102 and the power receiving coil 201, the oscillation coil 102 continues to output electromagnetic energy, and unnecessary power is consumed, which is extremely high. It is uneconomical. Particularly in the latter case, the magnetic foreign substance passes between the oscillating coil 102 and the power receiving coil 201, and a short-circuit current flows through the magnetic foreign substance.
If the output of the above is continued, the metallic foreign matter will generate heat and become high temperature, and there is a problem that the safety of the product cannot be secured.
【０００７】本発明は、上記の問題点に鑑み、本体側に
設けた給電部と、扉側に設けた受電部との間に異物が挟
まりにくい構造を有する電力伝達装置を提供することを
目的とする。In view of the above problems, it is an object of the present invention to provide a power transmission device having a structure in which foreign matter is unlikely to be caught between the power feeding portion provided on the main body side and the power receiving portion provided on the door side. And
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するため
に、本発明に係る電力伝達装置においては、商用電源か
ら電源供給を受ける本体と、前記本体から電源供給を受
ける扉とを具備し、前記本体側に前記扉の上面と対向す
る突出部材を有し、前記突出部材の下面側に給電部を設
け、前記扉の上面側に前記給電部と対向するよう受電部
を設け、前記給電部と前記受電部とを介して、前記本体
から前記扉に非接触で電源供給を行う電力伝達装置にお
いて、前記給電部を設けた前記突出部材の下面、及び前
記受電部を設けた前記扉の上面は、それぞれ水平方向に
対して所定の角度θ（θ≠０°）をなす構成としてい
る。In order to achieve the above object, a power transmission device according to the present invention comprises a main body which receives power from a commercial power source and a door which receives power from the main body . On the body side, face the upper surface of the door.
That has a projecting member, the feeding portion is provided on the lower surface side of the projecting member, the receiving portion so as to face the feeding portion on the upper surface side of the door is provided, via the said feed portion the power receiving portion, the a power transmission apparatus for performing power supply without contact from the body to the door, the lower surface of the projecting member provided with said feeding portion, and the upper surface of the door provided with the power receiving portion is predetermined with respect to the horizontal direction, respectively Angle θ (θ ≠ 0 °).
【０００９】また、本発明に係る電力伝達装置において
は、商用電源から電源供給を受ける本体と、前記本体か
ら電源供給を受ける扉とを具備しており、前記本体側に
給電部を設け、前記給電部と対向するよう前記扉側に受
電部を設けることで、前記給電部と前記受電部とを介し
て、前記本体から前記扉に非接触で電源供給を行う電力
伝達装置において、前記給電部を設けた前記本体側の壁
面、及び前記受電部を設けた前記扉側の壁面は、それぞ
れ水平方向に対して所定の角度θ（θ≠０°）をなして
おり、前記給電部を設けた前記本体側の壁面、及び前記
受電部を設けた前記扉側の壁面は、それぞれ斜面方向に
伸びる溝を有する構成とするとよい。なお、前記給電部
を設けた前記本体側の壁面、及び前記受電部を設けた前
記扉側の壁面を、斜面方向に対して直交するように切断
した場合、各々の断面形状は波形としている。In the power transmission device according to the present invention,
Is a main body that receives power from a commercial power source, and
It is equipped with a door that receives power supply from the
Provide a power supply unit and receive it on the door side so that it faces the power supply unit.
By providing a power supply unit, the power supply unit and the power reception unit
Power to supply power from the main body to the door in a non-contact manner
In the transmission device, the main body side wall provided with the power feeding unit
The surface and the wall surface on the door side provided with the power receiving unit are respectively
At a predetermined angle θ (θ ≠ 0 °) to the horizontal direction
Cage, said body side wall provided with the power supply unit, and the wall surface of the door side provided with the power receiving portion, it is preferable to a structure, each having a groove extending in the slope direction. In addition, when the wall surface on the main body side provided with the power feeding portion and the wall surface on the door side provided with the power receiving portion are cut so as to be orthogonal to the slope direction, each cross-sectional shape is wavy.
【００１０】また、商用電源から電源供給を受ける本体
と、前記本体から電源供給を受ける扉とを具備し、前記
本体側に前記扉の上面と対向する突出部材を有し、前記
突出部材の下面側に給電部を設け、前記扉の上面側に前
記給電部と対向するよう受電部を設け、前記給電部と前
記受電部とを介して、前記本体から前記扉に非接触で電
源供給を行う電力伝達装置において、前記扉は、その閉
結時に前記突出部材と前記扉とのすき間を前面から塞ぐ
形となる位置に遮蔽部材を有して成る構成にするとよ
い。さらに、前記遮蔽部材は前記本体の上部までを覆う
オーバーラップ構造としてもよい。Further, comprising a body for receiving a power supply from a commercial power source, and a door for receiving the power supply from the main body, wherein
The main body side has a protruding member facing the upper surface of the door,
Provide a power supply unit on the lower surface side of the protruding member, and
Serial provided power receiving portion so as to face the feeding unit, via the said feed portion the power receiving unit, in a power transmission apparatus for performing power supply without contact with the door from the body, the door, the closing
Closing the gap between the protruding member and the door from the front when binding
It is better to have a configuration that has a shielding member at the shape position.
Yes. Further, the shielding member may have an overlap structure that covers up to the upper portion of the main body.
【００１１】なお、本発明に係る電力伝達装置において
は、前記本体と前記扉との間で信号伝達を行う手段を有
しており、前記本体からの情報を表示する情報表示装
置、及び使用者が情報を入力する情報入力装置を前記扉
に設けている。The power transmission device according to the present invention has means for transmitting a signal between the main body and the door, and an information display device for displaying information from the main body, and a user. An information input device for inputting information is provided on the door.
【００１２】[0012]
【発明の実施の形態】本発明に係る電力伝達装置を、冷
凍冷蔵庫に適用した場合を例に挙げて説明する。まず、
図１は本発明に係る冷凍冷蔵庫の上部を斜め前方から俯
瞰した概略斜視図である。本体１は冷蔵室あるいは冷凍
室といった区画に分かれており、各区画の前面には開閉
可能な扉２を備え付けている。BEST MODE FOR CARRYING OUT THE INVENTION A power transmission device according to the present invention will be described by way of example when it is applied to a refrigerator-freezer. First,
FIG. 1 is a schematic perspective view of an upper part of a refrigerator-freezer according to the present invention, viewed from an oblique front side. The main body 1 is divided into compartments such as a refrigerator compartment and a freezer compartment, and a front door of each compartment is provided with a door 2 that can be opened and closed.
【００１３】前記本体１には、冷凍冷蔵庫の動作を制御
するための制御部３を設けている。この制御部３はコン
プレッサや庫内ファンモータ等（いずれも図示せず）の
動作を制御することにより、冷蔵室及び冷凍室の温度制
御等を行うものである。また、詳細は後述するが、前記
扉２への給電動作、及び前記扉２との信号伝達に関する
制御も併せて行うものである。The main body 1 is provided with a control unit 3 for controlling the operation of the refrigerator / freezer. The control section 3 controls the temperature of the refrigerating room and the freezing room by controlling the operation of a compressor, an internal fan motor, etc. (none of which are shown). Further, as will be described later in detail, the power supply operation to the door 2 and the control related to the signal transmission with the door 2 are also performed.
【００１４】一方、前記扉２の前面には、使用者が操作
しやすい高さに情報表示・入力装置４を設けている。こ
の情報表示・入力装置４は、情報表示部４ａと情報入力
部４ｂとから成る。前記情報表示部４ａには前記本体１
側から得た情報、例えば、庫内の温度や湿度、前記本体
１内に設けた冷水機の残水量や自動製氷機の氷量、およ
び庫内の食品種類や保存期間を表示することができる。
一方、情報入力部４ｂを操作することにより、使用者は
庫内温度の目標値設定や自動ＯＮ／ＯＦＦタイマーの設
定といった前記本体１側に対する制御を、前記扉２を開
けることなく行うことができる。On the other hand, on the front surface of the door 2, an information display / input device 4 is provided at a height that is easy for the user to operate. The information display / input device 4 includes an information display unit 4a and an information input unit 4b. The information display section 4a includes the main body 1
Information obtained from the side, for example, the temperature and humidity in the refrigerator, the remaining water amount of the cold water machine and the ice amount of the automatic ice maker installed in the main body 1, and the food type and storage period in the refrigerator can be displayed. .
On the other hand, by operating the information input unit 4b, the user can control the main body 1 side such as setting the target value of the internal temperature and setting the automatic ON / OFF timer without opening the door 2. .
【００１５】また、本発明に係る冷凍冷蔵庫において
は、前記本体１から前記扉２への電源供給、及び前記本
体１と前記扉２との信号伝達を非接触で実現する手段と
して、給電部１０及び受電部２０を有している。前記給
電部１０は前記本体１に設けた突出部材５の下面に配設
しており、前記受電部２０は前記給電部１０に相対する
よう前記扉２の上面に配設している。ここで、前記突出
部材５の下面は前記扉２の上面とわずかなすき間を保っ
て対向する構造となっている。これにより、前記給電部
１０と前記受電部２０との間にもわずかなすき間が保た
れている。Further, in the refrigerator-freezer according to the present invention, the power feeding unit 10 is provided as a means for realizing power supply from the main body 1 to the door 2 and signal transmission between the main body 1 and the door 2 in a non-contact manner. And a power receiving unit 20. The power supply unit 10 is arranged on the lower surface of the protruding member 5 provided on the main body 1, and the power reception unit 20 is arranged on the upper surface of the door 2 so as to face the power supply unit 10. Here, the lower surface of the protruding member 5 is opposed to the upper surface of the door 2 with a slight gap. As a result, a slight gap is maintained between the power feeding unit 10 and the power receiving unit 20.
【００１６】前記給電部１０はリード線６によって前記
制御部３と接続されており、前記給電部１０と前記制御
部３との電源及び信号の伝達は有線によって行う。一
方、前記受電部２０はリード線７によって前記情報表示
・入力装置４と接続されており、前記受電部２０と前記
情報表示・入力装置４との電源及び信号の伝達について
も有線によって行う。The power feeding unit 10 is connected to the control unit 3 by a lead wire 6, and power transmission and signal transmission between the power feeding unit 10 and the control unit 3 are performed by wire. On the other hand, the power reception unit 20 is connected to the information display / input device 4 by a lead wire 7, and power transmission and signal transmission between the power reception unit 20 and the information display / input device 4 are also performed by wire.
【００１７】次に、前記給電部１０及び前記受電部２０
の内部構成及び動作について、図２を用いて説明する。
図２は本発明に係る冷凍冷蔵庫の構成を示すブロック図
である。本実施形態においては、前記本体１と前記扉２
との信号伝達手段として光通信を採用した構成を示す。
給電側である前記本体１に設けた前記給電部１０は、給
電発振部１１、第１コイル１２、第１発光部１３、及び
第１受光部１４を有している。商用電源から電力の供給
を受ける前記制御部３は、前記給電発振部１１の発振動
作を制御することで、受電側である前記扉２への電源供
給を行うとともに、第１発光部１３及び第１受光部１４
を制御して、前記扉２との間で光信号の送受信を行うも
のである。また、前記制御部３は商用電源からの交流を
整流する機能も備えている。Next, the power feeding section 10 and the power receiving section 20.
The internal configuration and operation of will be described with reference to FIG.
FIG. 2 is a block diagram showing the configuration of the refrigerator-freezer according to the present invention. In the present embodiment, the main body 1 and the door 2
A configuration in which optical communication is adopted as a signal transmitting means to and from is shown.
The power feeding unit 10 provided on the main body 1 on the power feeding side includes a power feeding oscillating unit 11, a first coil 12, a first light emitting unit 13, and a first light receiving unit 14. The control unit 3, which is supplied with electric power from a commercial power source, controls the oscillation operation of the power feeding oscillation unit 11 to supply power to the door 2 on the power receiving side, and at the same time, the first light emitting unit 13 and the first light emitting unit 13 1 light receiving unit 14
Is controlled to transmit / receive an optical signal to / from the door 2. The control unit 3 also has a function of rectifying alternating current from a commercial power source.
【００１８】一方、受電側である前記扉２に設けた前記
受電部２０は、第２コイル２１、定電圧部２２、第２受
光部２３、及び第２発光部２４を有している。ここで、
前記情報表示・入力装置４は、前記定電圧部２２からの
出力によって駆動し情報表示等の動作を行うとともに、
第２受光部２３及び第２発光部２４を制御して、前記本
体１との間で光信号の送受信を行うものである。なお、
第２コイル２１、第２受光部２３、及び第２発光部２４
については、前記給電部１０に設けた第１コイル１２、
第１発光部１３、及び第１受光部１４と、それぞれ相対
する位置に設けてある。On the other hand, the power receiving section 20 provided on the door 2 on the power receiving side has a second coil 21, a constant voltage section 22, a second light receiving section 23, and a second light emitting section 24. here,
The information display / input device 4 is driven by an output from the constant voltage unit 22 to perform an operation such as information display,
The second light receiving unit 23 and the second light emitting unit 24 are controlled to transmit / receive an optical signal to / from the main body 1. In addition,
The second coil 21, the second light receiving unit 23, and the second light emitting unit 24.
As for the first coil 12 provided in the power feeding unit 10,
The first light emitting portion 13 and the first light receiving portion 14 are provided at positions facing each other.
【００１９】ここで、前記本体１から前記扉２への電源
供給について説明する。まず、前記扉２を閉じた状態に
おいて、前記制御部３から前記給電発振部１１に電力を
供給すると、前記給電発振部１１は所定の周波数で発振
動作を行う。第１コイル１２は、ここで発振した高周波
を受けることにより、前記本体１外部へ交流磁束を放出
する。この時、第１コイル１２と第２コイル２１との間
には電磁誘導結合が生じる。この現象によって第２コイ
ル２１に誘起した交流を、前記定電圧部２２で整流して
定電圧を得ることにより、前記扉２の電源とすることが
できる。前記情報表示・入力装置４は一定電圧が供給さ
れたことを検知すると、情報表示や各種操作といった前
記情報表示・入力装置４としての正常動作の制御を行
う。Now, the power supply from the main body 1 to the door 2 will be described. First, when power is supplied from the control unit 3 to the power feeding oscillation unit 11 with the door 2 closed, the power feeding oscillation unit 11 oscillates at a predetermined frequency. The first coil 12 emits an AC magnetic flux to the outside of the main body 1 by receiving the high frequency oscillated here. At this time, electromagnetic inductive coupling occurs between the first coil 12 and the second coil 21. The alternating current induced in the second coil 21 by this phenomenon is rectified by the constant voltage unit 22 to obtain a constant voltage, so that the door 2 can be powered. When the information display / input device 4 detects that a constant voltage is supplied, it controls the normal operation of the information display / input device 4 such as information display and various operations.
【００２０】次に、前記本体１から前記扉２への光信号
伝達について説明する。前記本体１から前記扉２への光
信号伝達は、前記給電部１０に設けた第１発光部１３
と、前記受電部２０に設けた第２受光部２３によって行
っている。すなわち、第１発光部１３が発した光エネル
ギーを、第２受光部２３によって検出し、その光エネル
ギー検出の有／無をＨ／Ｌの信号と識別することによ
り、前記本体１から前記扉２への光信号伝達を非接触で
行うことができる。同様に、前記受電部２０に第２発光
部２４、前記給電部１０に第１受光部１４を設けている
ので、前記扉２から前記本体１への光信号伝達について
も非接触で行うことができる。Next, the optical signal transmission from the main body 1 to the door 2 will be described. The optical signal transmission from the main body 1 to the door 2 is performed by the first light emitting unit 13 provided in the power feeding unit 10.
And the second light receiving section 23 provided in the power receiving section 20. That is, the light energy emitted from the first light emitting unit 13 is detected by the second light receiving unit 23, and the presence / absence of the detection of the light energy is discriminated from the H / L signal, so that the main body 1 to the door 2 The optical signal transmission to and from can be performed in a contactless manner. Similarly, since the power receiving unit 20 is provided with the second light emitting unit 24 and the power feeding unit 10 is provided with the first light receiving unit 14, the optical signal transmission from the door 2 to the main body 1 can be performed without contact. it can.
【００２１】このように、前記本体１から前記扉２への
電源供給、及び前記本体１と前記扉２との光信号伝達を
いずれも非接触で行うことにより、構成部品を減らすこ
とが可能となるため、低コスト化を図ることができる。
また、従来のように前記扉２のヒンジ部（図示せず）を
介して前記本体１と前記扉２とを直接結線する必要がな
いため、左右どちら側からでも前記扉２を開閉すること
ができる構造の冷凍冷蔵庫にも適用が可能である。さら
に、接触型の給電端子や通信端子といった外部に露出す
る部材を必要としないので、端子表面の酸化や腐食によ
る接触不良の恐れがなく、防水・防汚染といった面でも
有効である。なお、前述の実施形態においては、非接触
による信号伝達手段として光通信を採用した例を挙げた
が、信号伝達手段は電波、電磁波等を利用した他の方式
に代替してもよい。As described above, since the power supply from the main body 1 to the door 2 and the optical signal transmission between the main body 1 and the door 2 are both performed in a non-contact manner, the number of components can be reduced. Therefore, cost reduction can be achieved.
Further, unlike the conventional case, it is not necessary to directly connect the main body 1 and the door 2 via the hinge portion (not shown) of the door 2, so that the door 2 can be opened and closed from either side. It can also be applied to a refrigerator / freezer with such a structure. Furthermore, since no externally exposed members such as contact type power supply terminals and communication terminals are required, there is no risk of contact failure due to oxidation or corrosion of the terminal surface, and it is also effective in terms of waterproofing / contamination. In addition, in the above-described embodiment, the example in which the optical communication is adopted as the non-contact signal transmission means has been described, but the signal transmission means may be replaced with another method using radio waves, electromagnetic waves, or the like.
【００２２】次に、前記給電部１０及び前記受電部２０
の設置位置周辺における要部構造について、図３〜図６
を用いて説明する。まず、図３は本発明に係る冷凍冷蔵
庫の第１実施形態を示す図であり、図１におけるＸ−
Ｘ’断面図である。前述のとおり、本発明に係る冷凍冷
蔵庫において、前記給電部１０は前記本体１に設けた突
出部材５の下面に配設しており、前記受電部２０は前記
給電部１０に相対するよう前記扉２の上面に配設してい
る。ここで、前記突出部材５の下面は前記扉２の上面と
わずかなすき間を保って対向する構造となっている。こ
れにより、前記給電部１０と前記受電部２０との間にも
わずかなすき間が保たれている。なお、前記本体１と前
記扉２とのすき間から庫内の冷気が漏れないように、パ
ッキン８で前記扉２の周囲を覆っている。Next, the power feeding section 10 and the power receiving section 20.
3 to 6 for the main structure around the installation position of
Will be explained. First, FIG. 3 is a view showing a first embodiment of a refrigerator-freezer according to the present invention, which is taken along line X- in FIG.
It is a X'sectional view. As described above, in the refrigerator-freezer according to the present invention, the power feeding unit 10 is arranged on the lower surface of the projecting member 5 provided on the main body 1, and the power receiving unit 20 faces the power feeding unit 10. It is arranged on the upper surface of 2. Here, the lower surface of the protruding member 5 is opposed to the upper surface of the door 2 with a slight gap. As a result, a slight gap is maintained between the power feeding unit 10 and the power receiving unit 20. A packing 8 covers the periphery of the door 2 so that cold air in the refrigerator does not leak from a gap between the main body 1 and the door 2.
【００２３】ここで、本実施形態において、前記給電部
１０を設けた前記突出部材５の下面、及び前記受電部２
０を設けた前記扉２の上面は、それぞれ水平方向に対し
て所定の角度θ（θ≠０°）をなす構造としている。こ
のような構造とすることで、たとえ前記突出部材５と前
記扉２との間に異物が侵入したとしても、その異物は前
記給電部１０と前記受電部２０との間に留まることなく
下方に滑り落ちる。これにより、前記本体１から前記扉
２への電源供給、及び前記本体１と前記扉２との信号伝
達が妨げられることを防止できる。特に、前記給電部１
０と前記受電部２０との間にコイン等の金属性異物が挟
まったとしても、その金属性異物にショート電流が流れ
て異常発熱する危険性はないので、製品の安全性を向上
させることができる。Here, in the present embodiment, the lower surface of the projecting member 5 provided with the power feeding portion 10 and the power receiving portion 2 are provided.
The upper surface of the door 2 provided with 0 has a structure that forms a predetermined angle θ (θ ≠ 0 °) with respect to the horizontal direction. With such a structure, even if a foreign matter enters between the projecting member 5 and the door 2, the foreign matter does not stay between the power feeding unit 10 and the power receiving unit 20 and moves downward. Slip off. This can prevent the power supply from the main body 1 to the door 2 and the signal transmission between the main body 1 and the door 2 from being hindered. In particular, the power supply unit 1
Even if a metallic foreign object such as a coin is sandwiched between 0 and the power receiving unit 20, there is no risk of abnormal heat generation due to a short-circuit current flowing through the metallic foreign object, thus improving the safety of the product. it can.
【００２４】図４は、図３におけるＹ−Ｙ’断面図であ
る。この図に示すように、本実施形態における冷凍冷蔵
庫において、前記給電部２０を設けた前記突出部材５の
下面、及び前記受電部２０を設けた前記扉の上面は、そ
れぞれ斜面方向に伸びる溝を有する構造としている。特
に本実施形態では、前記突出部材５の下面、及び前記扉
２の上面を、斜面方向に対して直交するように切断した
場合、各々の断面形状は波形となるように加工を施して
いる。これにより、たとえ前記突出部材５と前記扉２と
の間に異物が侵入したとしても、その異物と前記突出部
材５の下面、及び前記扉２の上面との接触面積は非常に
小さいため、摩擦を低減することができる。よって、前
記異物はより下方に滑り落ちやすくなるので、前記異物
が前記給電部１０と前記受電部２０との間に留まる可能
性をさらに低下させることができる。FIG. 4 is a sectional view taken along the line YY 'in FIG. As shown in this figure, in the refrigerator-freezer according to the present embodiment, the lower surface of the projecting member 5 provided with the power feeding section 20 and the upper surface of the door provided with the power receiving section 20 each have a groove extending in a slanting direction. It has a structure. In particular, in this embodiment, when the lower surface of the protruding member 5 and the upper surface of the door 2 are cut so as to be orthogonal to the slope direction, each cross-section is processed into a corrugated shape. Accordingly, even if a foreign matter enters between the protruding member 5 and the door 2, the contact area between the foreign matter and the lower surface of the protruding member 5 and the upper surface of the door 2 is very small, so that the friction is reduced. Can be reduced. Therefore, the foreign matter is more likely to slide downward, so that the possibility that the foreign matter remains between the power feeding unit 10 and the power receiving unit 20 can be further reduced.
【００２５】次に、図５は本発明に係る冷凍冷蔵庫の第
２実施形態を示す図であり、図１におけるＸ−Ｘ’断面
図である。本実施形態においては、前記給電部１０と前
記受電部２０との間に異物が侵入しないように、前記扉
２の前面側に遮蔽部材９を設けている。この遮蔽部材９
によって、前記突出部材５と前記扉２とのすき間を塞ぐ
形となるため、前記給電部１０と前記受電部２０との間
に異物が侵入することを未然に防ぐことができる。Next, FIG. 5 is a view showing a second embodiment of the refrigerator-freezer according to the present invention, which is a sectional view taken along line XX 'in FIG. In the present embodiment, a shielding member 9 is provided on the front surface side of the door 2 so that foreign matter does not enter between the power feeding unit 10 and the power receiving unit 20. This shielding member 9
By this, the gap between the protruding member 5 and the door 2 is closed, so that it is possible to prevent foreign matter from entering between the power feeding unit 10 and the power receiving unit 20.
【００２６】図６は本発明に係る冷凍冷蔵庫の第３実施
形態を示す図であり、図１におけるＸ−Ｘ’断面図であ
る。本実施形態は前述の第２実施形態をさらに発展させ
たもので、前記遮蔽部材９は前記突出部材５の上部まで
を覆うオーバーラップ構造としている。これにより、前
記突出部材５と前記扉２とのすき間に異物が侵入する可
能性はさらに減少するため、前記給電部１０と前記受電
部２０との間に異物が侵入することを未然に防止する効
果がより高いものとなる。FIG. 6 is a view showing a third embodiment of the refrigerator-freezer according to the present invention, which is a sectional view taken along line XX 'in FIG. The present embodiment is a further development of the above-described second embodiment, and the shielding member 9 has an overlap structure that covers up to the upper portion of the protruding member 5. This further reduces the possibility of foreign matter entering the gap between the projecting member 5 and the door 2, thus preventing foreign matter from entering between the power feeding unit 10 and the power receiving unit 20. The effect will be higher.
【００２７】なお、上記実施形態では、本発明に係る電
力伝達装置を冷凍冷蔵庫に適用した例を挙げて説明を行
ったが、本発明は冷凍冷蔵庫への適用に限定されるもの
ではない。In the above embodiment, the power transmission device according to the present invention is applied to the refrigerator / freezer, but the present invention is not limited to the application to the refrigerator / freezer.
【００２８】[0028]
【発明の効果】本発明に係る電力伝達装置においては、
給電部を設けた突出部材の下面、及び受電部を設けた扉
の上面は、それぞれ水平方向に対して所定の角度θ（θ
≠０°）をなす構成としている。このような構造とする
ことで、たとえ本体側に設けた給電部と、扉側に設けた
受電部との間に異物が侵入したとしても、その異物は前
記給電部と前記受電部との間に留まることなく下方に滑
り落ちる。これにより、前記本体から前記扉への電源供
給、及び前記本体と前記扉との信号伝達が妨げられるこ
とを防止できる。特に、前記給電部と前記受電部との間
にコイン等の金属性異物が挟まっても、その金属性異物
にショート電流が流れて異常発熱する危険性はないの
で、製品の安全性を向上させることができる。In the power transmission device according to the present invention,
The lower surface of the protruding member provided with the power feeding section and the door provided with the power receiving section
Top surface of a predetermined angle with respect to the horizontal direction, respectively theta (theta
≠ 0 °). With such a structure, even if a foreign matter enters between the power feeding section provided on the main body side and the power receiving section provided on the door side, the foreign matter is not present between the power feeding section and the power receiving section. It doesn't stay on and slides down. Accordingly, it is possible to prevent the power supply from the main body to the door and the interruption of signal transmission between the main body and the door. In particular, even if a metallic foreign substance such as a coin is sandwiched between the power feeding unit and the power receiving unit, there is no risk of short-circuit current flowing through the metallic foreign substance and abnormal heat generation, thus improving the safety of the product. be able to.
【００２９】ここで、前記給電部を設けた前記本体側の
壁面、及び前記受電部を設けた前記扉側の壁面は、それ
ぞれ斜面方向に伸びる溝を有しており、各々の壁面を斜
面方向に対して直交するように切断した場合、その断面
形状は波形となるように加工を施している。これによ
り、たとえ前記給電部と前記受電部との間に異物が侵入
したとしても、その異物と前記本体側の壁面、及び前記
扉側の壁面との接触面積は非常に小さいため、摩擦を低
減することができる。よって、前記異物はより下方に滑
り落ちやすくなるので、前記異物が前記給電部と前記受
電部との間に留まる可能性をさらに低下させることがで
きる。Here, the wall surface on the main body side provided with the power feeding portion and the wall surface on the door side provided with the power receiving portion each have a groove extending in the slope direction, and each wall surface is formed in the slope direction. When cut so as to be orthogonal to, the cross-sectional shape is processed to have a corrugated shape. Thus, even if a foreign matter enters between the power feeding unit and the power receiving unit, the contact area between the foreign matter and the wall surface on the main body side and the wall surface on the door side is very small, which reduces friction. can do. Therefore, since the foreign matter is more likely to slide down, it is possible to further reduce the possibility that the foreign matter remains between the power feeding unit and the power receiving unit.
【００３０】また、本発明に係る電力伝達装置において
は、本体の突出部材に設けられた給電部と扉の上面側に
設けられた受電部とを介して、本体から扉に非接触で電
源供給を行う電力伝達装置において、前記扉は、その閉
結時に前記突出部材と前記扉とのすき間を前面から塞ぐ
形となる位置に遮蔽部材を有して成る構成にするとよ
い。こうした遮蔽部材によって、前記給電部と前記受電
部との間に異物が侵入することを未然に防ぐことができ
る。特に、前記遮蔽部材は前記本体の上部までを覆うオ
ーバーラップ構造とすると、前記給電部と前記受電部と
の間に異物が侵入することを未然に防止する効果がより
高いものとなる。Further, in the power transmission device according to the present invention, the power feeding portion provided on the projecting member of the main body and the upper surface side of the door are provided.
Power is supplied from the main unit to the door without contact via the provided power receiving unit.
In the power transmission device for power supply, the door is closed.
Closing the gap between the protruding member and the door from the front when binding
It is better to have a configuration that has a shielding member at the shape position.
Yes. With such a shielding member, it is possible to prevent foreign matter from entering between the power feeding unit and the power receiving unit. In particular, if the shielding member has an overlapping structure that covers up to the upper portion of the main body, the effect of preventing foreign matter from entering between the power feeding unit and the power receiving unit is further enhanced.
【００３１】なお、本発明に係る電力伝達装置において
は、扉に情報表示装置を設けたことにより、使用者は本
体側から得た各種情報を一目で知ることができる。一
方、情報入力装置を扉に設ければ、使用者は本体側の制
御操作などを行う際、扉を開ける必要がないので非常に
使い勝手がよい。In the power transmission device according to the present invention, since the information display device is provided on the door, the user can know various information obtained from the main body side at a glance. On the other hand, if the information input device is provided on the door, the user does not need to open the door when performing control operations on the main body side, which is very convenient.
【図１】 本発明に係る冷凍冷蔵庫の上部を斜め前方か
ら俯瞰した概略斜視図である。FIG. 1 is a schematic perspective view of an upper portion of a refrigerator-freezer according to the present invention viewed from an oblique front side.
【図２】 本発明に係る冷凍冷蔵庫の構成を示すブロッ
ク図である。FIG. 2 is a block diagram showing a configuration of a refrigerator-freezer according to the present invention.
【図３】 本発明に係る冷凍冷蔵庫の第１実施形態を示
すＸ−Ｘ’断面図である。FIG. 3 is a sectional view taken along line XX ′ showing the first embodiment of the refrigerator-freezer according to the present invention.
【図４】 図３におけるＹ−Ｙ’断面図である。4 is a cross-sectional view taken along the line Y-Y ′ in FIG.
【図５】 本発明に係る冷凍冷蔵庫の第２実施形態を示
すＸ−Ｘ’断面図である。FIG. 5 is a sectional view taken along line XX ′ showing the second embodiment of the refrigerator-freezer according to the present invention.
【図６】 本発明に係る冷凍冷蔵庫の第３実施形態を示
すＸ−Ｘ’断面図である。FIG. 6 is a sectional view taken along line XX ′ showing the third embodiment of the refrigerator-freezer according to the present invention.
【図７】 従来の冷凍冷蔵庫の一例を示す回路図であ
る。FIG. 7 is a circuit diagram showing an example of a conventional refrigerator-freezer.
１ 本体 ２ 扉 ３ 制御部 ４ 情報表示・入力装置 ５ 突出部材 ９ 遮蔽部材 １０ 給電部 ２０ 受電部 1 body 2 doors 3 control unit 4 Information display / input device 5 protruding member 9 Shielding member 10 power supply 20 Power receiving unit
フロントページの続き (56)参考文献 特開 平７−75257（ＪＰ，Ａ) 特開 平６−311659（ＪＰ，Ａ) 特開 平７−260339（ＪＰ，Ａ) 特開 平10−336908（ＪＰ，Ａ) 特開 平４−98081（ＪＰ，Ａ) 実開 平６−24356（ＪＰ，Ｕ) 実公 平７−47957（ＪＰ，Ｙ２) 実公 平７−871（ＪＰ，Ｙ２) (58)調査した分野(Int.Cl.7，ＤＢ名) H02J 17/00 H01F 28/14 F25D 11/00 F25D 23/00 F25D 29/00 Continuation of the front page (56) Reference JP-A-7-75257 (JP, A) JP-A-6-311659 (JP, A) JP-A-7-260339 (JP, A) JP-A-10-336908 (JP , A) JP-A-4-98081 (JP, A) Actual Kaihei 6-24356 (JP, U) Actual Kohei 7-47957 (JP, Y2) Actual Kohei 7-871 (JP, Y2) (58) Fields surveyed (Int.Cl. 7 , DB name) H02J 17/00 H01F 28/14 F25D 11/00 F25D 23/00 F25D 29/00
Claims (8)
記本体から電源供給を受ける扉とを具備し、前記本体側
に前記扉の上面と対向する突出部材を有し、前記突出部
材の下面側に給電部を設け、前記扉の上面側に前記給電
部と対向するよう受電部を設け、前記給電部と前記受電
部とを介して、前記本体から前記扉に非接触で電源供給
を行う電力伝達装置において、 前記給電部を設けた前記突出部材の下面、及び前記受電
部を設けた前記扉の上面は、それぞれ水平方向に対して
所定の角度θ（θ≠０°）をなすことを特徴とする電力
伝達装置。1. A main body, which receives power from a commercial power source, and a door, which receives power from the main body. The main body has a protruding member facing the upper surface of the door, and a lower surface of the protruding member. Side is provided with a power feeding portion, a power receiving portion is provided on the upper surface side of the door so as to face the power feeding portion, and power is supplied from the main body to the door in a non-contact manner via the power feeding portion and the power receiving portion. In the power transmission device, a lower surface of the projecting member provided with the power feeding unit and an upper surface of the door provided with the power receiving unit each form a predetermined angle θ (θ ≠ 0 °) with respect to a horizontal direction. Characteristic power transmission device.
記本体から電源供給を受ける扉とを具備しており、前記
本体側に給電部を設け、前記給電部と対向するよう前記
扉側に受電部を設けることで、前記給電部と前記受電部
とを介して、前記本体から前記扉に非接触で電源供給を
行う電力伝達装置において、 前記給電部を設けた前記本体側の壁面、及び前記受電部
を設けた前記扉側の壁面は、それぞれ水平方向に対して
所定の角度θ（θ≠０°）をなしており、前記給電部を
設けた前記本体側の壁面、及び前記受電部を設けた前記
扉側の壁面は、それぞれ斜面方向に伸びる溝を有するこ
とを特徴とする電力伝達装置。2. A main body, which receives power from a commercial power source, and a door, which receives power from the main body, wherein a power feeding portion is provided on the main body side, and the door side is provided so as to face the power feeding portion. By providing a power receiving unit, in the power transmission device that supplies power from the main body to the door in a non-contact manner via the power feeding unit and the power receiving unit, a wall surface on the main body side in which the power feeding unit is provided, and The wall surface on the door side provided with the power receiving unit forms a predetermined angle θ (θ ≠ 0 °) with respect to the horizontal direction, and the wall surface on the main body side provided with the power feeding unit and the power receiving unit. The wall surface on the side of the door provided with each has a groove extending in a slope direction, respectively.
び前記受電部を設けた前記扉側の壁面を、斜面方向に対
して直交するように切断した場合、各々の断面形状は波
形であることを特徴とする請求項２に記載の電力伝達装
置。3. When the wall surface on the main body side on which the power feeding portion is provided and the wall surface on the door side on which the power receiving portion is provided are cut so as to be orthogonal to the slope direction, each cross-sectional shape is corrugated. The power transmission device according to claim 2, wherein
記本体から電源供給を受ける扉とを具備し、前記本体側
に前記扉の上面と対向する突出部材を有し、前記突出部
材の下面側に給電部を設け、前記扉の上面側に前記給電
部と対向するよう受電部を設け、前記給電部と前記受電
部とを介して、前記本体から前記扉に非接触で電源供給
を行う電力伝達装置において、前記扉は、その閉結時に前記突出部材と前記扉とのすき
間を前面から塞ぐ形となる位置に遮蔽部材を有して成る
ことを特徴とする電力伝達装置。 4. A main body side, comprising: a main body that receives power from a commercial power source; and a door that receives power from the main body.
Has a protruding member facing the upper surface of the door,
A power supply part is provided on the lower surface side of the material, and the power supply is provided on the upper surface side of the door.
The power receiving portion provided so as to face the section, through the said feed portion the power receiving unit, in a power transmission apparatus for performing power supply without contact with the door from said body, said door, said projecting its閉結time Plow between the member and the door
A power transmission device comprising a shielding member at a position where the space is closed from the front surface .
オーバーラップ構造であることを特徴とする請求項４に
記載の電力伝達装置。 5. The shielding member covers up to the upper portion of the main body.
The structure according to claim 4, wherein the structure is an overlap structure.
The power transmission device described.
手段を有することを特徴とする請求項１〜請求項５のい
ずれかに記載の電力伝達装置。 6. A signal is transmitted between the main body and the door.
6. The method according to claim 1, further comprising means.
The power transmission device according to any of the above.
置を前記扉に設けたことを特徴とする請求項６に記載の
電力伝達装置。 7. An information display device for displaying information from the main body.
7. The device according to claim 6, wherein a device is provided on the door.
Power transmission device.
記扉に設けたことを特徴とする請求項６または請求項７
に記載の電力伝達装置。 8. An information input device for a user to input information
It is provided in the storage door, The claim 6 or Claim 7 characterized by the above-mentioned.
The power transmission device according to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30807399A JP3532803B2 (en) | 1999-10-29 | 1999-10-29 | Non-contact power transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30807399A JP3532803B2 (en) | 1999-10-29 | 1999-10-29 | Non-contact power transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001128392A JP2001128392A (en) | 2001-05-11 |
| JP3532803B2 true JP3532803B2 (en) | 2004-05-31 |
Family
ID=17976560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30807399A Expired - Fee Related JP3532803B2 (en) | 1999-10-29 | 1999-10-29 | Non-contact power transmission device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3532803B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2357306T3 (en) * | 2005-09-02 | 2011-04-25 | Electrolux Home Products Corporation N.V. | REFRIGERATOR WITH MOBILE ELEMENT WITH ENERGY TRANSMISSION WITHOUT CONTACT. |
| JP5906691B2 (en) * | 2011-11-28 | 2016-04-20 | 株式会社Ihi | Non-contact power transmission device and mobile vehicle |
| CN105144538A (en) * | 2013-05-14 | 2015-12-09 | 株式会社Ihi | Contactless power transmission device and moving vehicle |
| CN106716777A (en) * | 2014-07-04 | 2017-05-24 | Elix无线充电***公司 | Wireless power transfer systems having guides for foreign object removal and methods of fabrication and use of same |
| JP7084814B2 (en) * | 2018-07-26 | 2022-06-15 | シャープ株式会社 | refrigerator |
-
1999
- 1999-10-29 JP JP30807399A patent/JP3532803B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001128392A (en) | 2001-05-11 |
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