JPS63201473A - Refrigerator - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、断熱箱を形成する外箱の前面７ランジ部に形
成した溝部に、凝縮器の一部を配設し、凝縮器の一部の
放熱作用によって結露を防止する様にした冷蔵庫に関す
るものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention provides a method for disposing a part of a condenser in a groove formed in a front 7 flange part of an outer box forming a heat insulating box. This invention relates to a refrigerator that prevents dew condensation through heat dissipation.

従来の技術 近年、冷蔵庫の外箱の前面７ランジ部の結露を防止する
構成として、前面フランジ部に形成した溝部に、凝縮器
の一部を配設し、凝縮器の放熱能力を向上させることが
しばしば実施されている。BACKGROUND OF THE INVENTION In recent years, as a structure for preventing dew condensation on the front flange of a refrigerator outer box, a part of a condenser is disposed in a groove formed in the front flange to improve the heat dissipation ability of the condenser. is often carried out.

以下図面を参照しながら、従来の冷蔵庫の前面の溝部に
凝縮器配管を配設する構造の一実施例について、第２図
、第３図を用いて説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a structure in which condenser piping is disposed in a groove on the front surface of a conventional refrigerator will be described below with reference to the drawings, with reference to FIGS. 2 and 3.

第２図は冷蔵庫の本体、第３図はＡ−Ａ’矢視断面図で
ある。１は冷蔵庫本体で、外箱２と合成樹脂にて形成さ
れた内箱３及び、両箱２，３間に充填された発泡断熱材
４より成っている。５は外箱２の前面フランジ部６に設
けられた略Ｕ字状の凹溝であり、凝縮器配管７と内箱３
の前面７ランジ部８を挿入するものである。そして凝縮
器配管７の周囲は常温で固化し８０℃近辺で溶融するワ
ックス系樹脂と、カーボンを主成分とする熱良導性材料
９が塗布されており、凝縮器配管７の組込み後、凝縮器
配管７の両端に電流を加え、ジュール熱にて溶融させ、
凹溝６との密着を良くし、熱伝導を良くさせるためのも
のである。９′は発泡断熱体４の漏れ防止用のシール用
断熱材である。１０は凹溝６のＵ字状の底面部１１と外
箱２の側面部１２の熱伝導を良好にするための熱良導性
充填材であり、発泡断熱材を注入する前に充填して、発
泡断熱体４が凹溝５の底面部１１と外箱２の側面部１２
に流入し、熱伝導が無くなるのを防止し、凝縮器配管７
からの放熱を促進させている。FIG. 2 is a main body of the refrigerator, and FIG. 3 is a sectional view taken along the line A-A'. Reference numeral 1 denotes a refrigerator body, which is composed of an outer box 2, an inner box 3 made of synthetic resin, and a foamed heat insulating material 4 filled between the boxes 2 and 3. Reference numeral 5 denotes a substantially U-shaped groove provided in the front flange portion 6 of the outer box 2, which connects the condenser piping 7 and the inner box 3.
The flange portion 8 of the front surface 7 is inserted. The area around the condenser pipe 7 is coated with a wax-based resin that solidifies at room temperature and melts at around 80°C, and a thermally conductive material 9 whose main components are carbon. Apply electric current to both ends of the pipe 7, melt it with Joule heat,
This is to improve the close contact with the groove 6 and improve heat conduction. 9' is a sealing heat insulating material for preventing leakage of the foam heat insulating body 4. Reference numeral 10 denotes a thermally conductive filler for improving heat conduction between the U-shaped bottom surface 11 of the groove 6 and the side surface 12 of the outer box 2, and is filled before injecting the foam insulation material. , the foam heat insulator 4 is attached to the bottom part 11 of the groove 5 and the side part 12 of the outer box 2.
flow into the condenser pipe 7 and prevent heat conduction from being lost.
It promotes heat dissipation from.

発明が解決しようとする問題点 しかしながら、上記の様な構成では、外箱２の側面部１
２と凹溝６の底面部１１との間に熱良導性充填材１０を
塗布する工程と、熱良導性材料９を塗布した凝縮器配管
７に電流を流して、ジュール熱で溶融させ凹溝５と凝縮
器配管７とを固着させる工程と２工程必要とし、非常に
工数がはん雑となっていた。又、凝縮器配管７にのみ電
流を流して凹溝６と凝縮器配管７とを溶融固着させるの
みでは、凝縮器としての放熱量が不足し、凝縮器を別途
膜けねばならなくなり、コスト高となり問題点を有して
いた。Problems to be Solved by the Invention However, in the above configuration, the side surface 1 of the outer box 2
2 and the bottom part 11 of the groove 6, and a step of applying a thermally conductive filler 10 between the thermally conductive material 9 and the bottom surface 11 of the groove 6, and passing an electric current through the condenser pipe 7 coated with the thermally conductive material 9 to melt it with Joule heat. Two steps were required, one for fixing the groove 5 and the condenser pipe 7, and the number of man-hours was extremely complicated. Furthermore, if the current is applied only to the condenser pipe 7 to melt and fix the concave groove 6 and the condenser pipe 7, the amount of heat dissipated by the condenser will be insufficient, and the condenser will have to be coated separately, resulting in high costs. There was a problem.

本発明は、上記問題点に鑑み、凝縮器配管と凹溝部及び
凹溝部と外箱の側面部にし工程のみで、凝縮器配管より
の熱を有効にかつ安価に伝えることができるようにする
ものである。In view of the above-mentioned problems, the present invention makes it possible to effectively and inexpensively transmit heat from the condenser piping only by forming the condenser piping, the recessed groove, and the recessed groove and the side surface of the outer box. It is.

問題点を解決するための手段 上記問題点を解決するために、本発明の技術的手段は、
凹溝の凝縮器配管と接する面にスリット孔を設ける構成
を備えたものである。Means for Solving the Problems In order to solve the above problems, the technical means of the present invention are as follows:
It is equipped with a configuration in which slit holes are provided on the surface of the concave groove that contacts the condenser piping.

作　　用 本発明は、上記した構成によって、熱良導性材料が、凝
縮器配管と凹溝との間及び、Ｕ字状の前面７ランジの内
部に挿入され、凝縮器配管の熱が熱良導性材料を伝導し
て、凹溝の底面部及び、外箱の前面７ランジ部に効率良
く伝わるので、凝縮器配管からの放熱効果を高めること
ができる。Effects of the present invention With the above-described configuration, the thermally conductive material is inserted between the condenser piping and the groove and inside the U-shaped front 7 flange, so that the heat of the condenser piping is transferred to the thermally conductive material. Since the conductive material is conducted and efficiently transmitted to the bottom part of the groove and the front 7 flange part of the outer box, the heat dissipation effect from the condenser piping can be enhanced.

実施例 以下本発明の一実施例を、図面を参照しながら説明する
。尚従来例と同じものについては、同一番号を付して説
明を省略する。EXAMPLE An example of the present invention will be described below with reference to the drawings. Components that are the same as those in the conventional example are given the same numbers and will not be described further.

図において、１３は凹溝５に設けられたスリット孔で、
凝縮器配管７に電流を流し溶化した熱伝導性材料９が動
にし滴下する方向に設けられている。In the figure, 13 is a slit hole provided in the groove 5,
The condenser pipe 7 is provided in a direction in which a thermally conductive material 9 that has been melted by passing an electric current therethrough is moved and dripped.

次に上記構成の形成方法及び作用について、第１図を用
いて詳述することにする。Next, the formation method and operation of the above structure will be explained in detail with reference to FIG.

まず、１００℃前後に熱した熱良導性材料９を槽の中へ
入れ溶融させておく、そして、凝縮器配管７を槽の中に
浸し、全周に塗布する。そして、凝縮器配管７を取り出
す。この時、雰囲気の温度は常温となっているため、即
問化が始まる。次に固化した熱良導性材料９が塗布され
ている凝縮器配管７をスリット孔１３を設けた凹溝６に
挿入する。この時、作業者が、凝縮器配管７に触れても
、４０〜１５０’Ｃ程度の雰囲気条件であるので、ワッ
クス系樹脂を主成分とした熱良導性材料９が固化してい
るため、手をよごすことなく、スムーズに作業ができる
。次に凝縮器配管７を凹溝６の底面１１まで押し込む。First, a thermally conductive material 9 heated to around 100° C. is placed in a tank and melted. Then, the condenser pipe 7 is immersed in the tank and coated all around. Then, the condenser pipe 7 is taken out. At this time, the temperature of the atmosphere is at room temperature, so immediate questioning begins. Next, the condenser pipe 7 coated with the solidified thermally conductive material 9 is inserted into the groove 6 in which the slit hole 13 is provided. At this time, even if the worker touches the condenser pipe 7, the atmospheric condition is around 40 to 150'C, so the thermally conductive material 9, which is mainly composed of wax-based resin, has solidified. You can work smoothly without getting your hands dirty. Next, the condenser pipe 7 is pushed into the bottom surface 11 of the groove 6.

その後、外箱２の前面フランジ６に、シール用断熱材９
′と、内箱３の前面フランジ８を挿入する。そして、凝
縮器配管７の周囲に塗布した熱良導性材料９を溶化させ
るため、凝縮器配管７に電流を印加させる。この時、溶
化した熱良導性材料９は凹溝５と凝縮器配管７と接する
面、及びスリット孔１３を介して外箱２の前面７ランジ
６内に流出する。そして、電流の印加を止めた場合、常
温の雰囲気に放置されているため、凹溝５と凝縮器配管
７の接する面及び前面フランジ６の内部に流れた熱良導
性材料９は、固化する。この様にして冷蔵庫本体１が形
成される。After that, a heat insulating material 9 for sealing is attached to the front flange 6 of the outer box 2.
' and insert the front flange 8 of the inner box 3. Then, in order to dissolve the thermally conductive material 9 applied around the condenser pipe 7, an electric current is applied to the condenser pipe 7. At this time, the melted thermally conductive material 9 flows out into the front surface 7 flange 6 of the outer box 2 through the groove 5, the surface in contact with the condenser pipe 7, and the slit hole 13. When the current application is stopped, the thermally conductive material 9 that has flowed into the contact surface between the groove 5 and the condenser pipe 7 and inside the front flange 6 solidifies because it is left in an atmosphere at room temperature. . In this way, the refrigerator main body 1 is formed.

以上の様に、本実施例によれば、Ｕ字状の前面フランジ
６に設けた凹溝６の動部下方向にスリット孔１３を設け
、凝縮器配管７の周囲にワックス系の樹脂を主体とした
熱良導性材料９を塗布した構成であるので、凝縮器配管
７に電流を印加し、熱良導性材料９を溶化させ、凹溝５
と凝縮器配管７との間及びＵ字状の前面フランジ６の内
部にスリット孔１３を介して流出させ、常温設置により
固化するので、凝縮器配管７からの熱を、外箱２まで効
率よく放出することができる。As described above, according to this embodiment, the slit hole 13 is provided in the downward direction of the movement of the concave groove 6 provided in the U-shaped front flange 6, and the area around the condenser pipe 7 is mainly made of wax-based resin. Since the structure is such that the thermally conductive material 9 is applied, an electric current is applied to the condenser pipe 7 to melt the thermally conductive material 9 and form the concave groove 5.
The heat from the condenser pipe 7 is efficiently transferred to the outer box 2 because it flows out through the slit hole 13 between the condenser pipe 7 and inside the U-shaped front flange 6, and solidifies when installed at room temperature. can be released.

発明の効果 以上の様に、本発明は、外箱のＵ字状の前面フランジ部
に形成された凹溝の動滴下方向にスリット孔を設け、凹
溝の内部に挿入する凝縮器配管の周囲に、８０℃前後で
溶解するワックス系樹脂主体の熱良導性材料を塗布した
構成であるので、凝縮器配管に電流を流すことにより、
ワックス系樹脂主体の熱良導性材料は溶解し、凹溝の底
面部と凝縮器配管との間、及び、動滴下方向に設けられ
たスリット孔を備えた前面フランジの内部に溶解した熱
良導性材料が浸入するため、外箱の側面部と凹溝の底面
部に熱良導性充填材を挿入する必要がなく、熱を凹溝側
面部から外箱へ良く伝えることができる。Effects of the Invention As described above, the present invention provides a slit hole in the dynamic dripping direction of the groove formed in the U-shaped front flange of the outer box, and provides a slit hole around the condenser piping to be inserted into the groove. The structure is coated with a thermally conductive material mainly made of wax-based resin that melts at around 80°C, so by passing an electric current through the condenser piping,
The thermally conductive material, which is mainly made of wax-based resin, is melted, and the thermally conductive material that is melted between the bottom of the concave groove and the condenser pipe, and inside the front flange with slit holes provided in the direction of dynamic dripping. Since the conductive material penetrates, there is no need to insert a thermally conductive filler into the side surfaces of the outer case and the bottom of the groove, and heat can be well transmitted from the side surfaces of the groove to the outer case.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は、本発明一実施例の冷蔵庫の要部断面図、第２
図は従来の冷蔵庫の斜視図、第３図は第２図のＡ−Ａ’
線における要部断面図である。 １・・・・・・冷蔵庫本体、２・・・・・・外箱、３・
・・・・・内箱、４・・・・・・発泡断熱材、６・・・
・・・凹溝、６・・・・・・外箱の前面フランジ、７・
・・・・・凝縮器配管、８・・・・・・内箱の前面７ラ
ンジ、９・・・・・・熱良導性材料、１０・・・・・・
熱良導性充填材、１１・・・・・・底面部、１３・・・
・・・スリット孔。 代理人の氏名　弁理士　中　尾　敏　男　ほか１名？＝
外箱 ３−内　箱 ６−　ｉｊＩ面フランジ邪 ン　　−＝　　奔鴨　良　　４　　性　才ｔ　セト／３
−−スリフト＆ 第１図 重 ／　−・　　汐ｔｓ、ＩＬ ２−外　箱 ３−°内　箱 ４−　発乏Ｗｒ　熱材 ７−凝藉器配管 第２図FIG. 1 is a sectional view of essential parts of a refrigerator according to an embodiment of the present invention, and FIG.
The figure is a perspective view of a conventional refrigerator, and Figure 3 is A-A' in Figure 2.
FIG. 1...refrigerator body, 2...outer box, 3.
...Inner box, 4...Foam insulation material, 6...
...Concave groove, 6...Front flange of outer box, 7.
... Condenser piping, 8 ... Front 7 langes of inner box, 9 ... Thermally conductive material, 10 ...
Thermal conductive filler, 11... bottom part, 13...
...Slit hole. Name of agent: Patent attorney Toshio Nakao and one other person? =
Outer box 3 - Inner box 6 - IjI side flange - = Tokakamo Ryo 4 Gender Sait set / 3
--Thrift & Fig. 1 Heavy/-- Shio ts, IL 2-Outside Box 3-°Inside Box 4-Production Wr Heating material 7-Condenser piping Fig. 2

Claims (1)

【特許請求の範囲】[Claims] 外箱と、前記外箱に内装した内箱と、前記内外箱間に充
填された発泡断熱材とを備え、前記外箱の前面にＵ字状
に折り曲げた前面フランジ部の内面にスリット孔を設け
た凹溝と、前記凹溝に挿入した凝縮器配管を設け、前記
凝縮器配管の周囲に熱良導性材料を塗布し、前記凝縮器
配管の両端に電流を流し、発生するジュール熱にて、前
記熱良導性材料を溶融させ、前記凹溝と前記凝縮器配管
及び、前記Ｕ字状の前面フランジ部内部を冷却固着させ
たことを特徴とする冷蔵庫。The method includes an outer box, an inner box inside the outer box, and a foam insulation material filled between the inner and outer boxes, and a slit hole is formed in the inner surface of a front flange portion bent into a U-shape on the front surface of the outer box. A concave groove is provided, and a condenser pipe is inserted into the concave groove. A thermally conductive material is applied around the condenser pipe, and an electric current is applied to both ends of the condenser pipe to absorb the generated Joule heat. The refrigerator is characterized in that the thermally conductive material is melted to cool and solidify the groove, the condenser pipe, and the inside of the U-shaped front flange.