JPH04113190A - Method of connecting insulating heat pipe - Google Patents
Method of connecting insulating heat pipeInfo
- Publication number
- JPH04113190A JPH04113190A JP2232748A JP23274890A JPH04113190A JP H04113190 A JPH04113190 A JP H04113190A JP 2232748 A JP2232748 A JP 2232748A JP 23274890 A JP23274890 A JP 23274890A JP H04113190 A JPH04113190 A JP H04113190A
- Authority
- JP
- Japan
- Prior art keywords
- induction coil
- chamber
- insertion part
- induction coils
- pipe body
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000006698 induction Effects 0.000 claims abstract description 70
- 238000003780 insertion Methods 0.000 claims abstract description 24
- 230000037431 insertion Effects 0.000 claims abstract description 24
- 238000005219 brazing Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims description 35
- 239000002184 metal Substances 0.000 claims description 35
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0283—Means for filling or sealing heat pipes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は、蒸発部と凝縮部との間を絶縁したいわゆる絶
縁型ヒートパイプの接合方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to a method for joining so-called insulated heat pipes in which an evaporation section and a condensation section are insulated.
「従来の技術」
絶縁型ヒートパイプは、蒸発部のパイプ本体と凝縮部の
パイプ本体とをセラミック等て円筒状に成形したがいし
を介して絶縁し、内部に封し込める作動液にも絶縁性の
あるものを使用している。"Conventional technology" Insulated heat pipes insulate the pipe body of the evaporating section and the pipe body of the condensing section through a cylindrical insulator made of ceramic or the like, and also insulate the working fluid sealed inside. I am using one that has.
かいしと例えば鋼管やアルミニウム(その合金を含む)
管からなるパイプ本体とは、熱膨張率にかなり差があっ
て直接接合することか困難なのてかいしの両端に例えば
Fe−Ni合金のようにかいしと熱膨張率か近似した金
属製スリーブをメタライズ等によって接合し、この金属
スリーブとパイプ本体とをろう(Fe−Ni合金のスリ
ーンと鋼管との接合の場合は銀ろう)付けによって接合
している。Steels such as steel pipes and aluminum (including their alloys)
The pipe body consists of a pipe, and the coefficient of thermal expansion differs considerably, making it difficult to join directly.A metal sleeve with a thermal expansion coefficient similar to that of the shield, such as Fe-Ni alloy, is used at both ends of the shield. are joined by metallization or the like, and the metal sleeve and the pipe body are joined by brazing (silver brazing in the case of joining a Fe--Ni alloy sleeve and a steel pipe).
金属スリーブとパイプ本体とをフラ・ンクスを使用して
ろう付は接合すると、パイプ内にフラ・ンクスか残留し
た場合絶縁性か低下するし、経時的に放出されるガスに
よりヒートパイプの性能を低下させるのて、一般には、
高周波IWl源に接続された一つの誘導コイルをチャン
バー内に設置し、この誘導コイル内にろう材を置いたス
リーンとパイプ本体との差込部をセットし、前記チャン
バーを真空に保って誘導コイルに所定時間通電して加熱
する、いわゆる真空ろう付けにより接合している。If the metal sleeve and the pipe body are brazed together using Franx, the insulation will deteriorate if Franx remains inside the pipe, and the performance of the heat pipe will be affected by the gas released over time. In general,
One induction coil connected to a high-frequency IWl source is installed in a chamber, and the insertion part between the screen with the brazing material placed inside the induction coil and the pipe body is set, the chamber is kept in a vacuum, and the induction coil is They are joined by so-called vacuum brazing, which heats them by applying electricity to them for a predetermined period of time.
「発明か解決しようとする課題」
従来の真空ろう付は接合は、一つの高周波電源に対して
一つの誘導コイルを設けていることと、一つの金属スリ
ーブとパイプ本体との接合か終了する毎に、他のスリー
ンとパイプ本体との差込部をチャンバー内の誘導コイル
にセットする必要上、チャンバー内の真空雰囲気をその
都度解除しなければならないこととによって、生産性か
極めて悪くコスト高になっていた。``Problem to be solved by the invention'' Conventional vacuum brazing requires one induction coil for one high-frequency power source, and one metal sleeve and pipe main body are joined each time. In addition, the insertion part between the other screen and the pipe body needs to be set on the induction coil in the chamber, and the vacuum atmosphere in the chamber must be released each time, resulting in extremely poor productivity and high costs. It had become.
本発明の目的は、より生産性の高い絶縁型ヒートパイプ
の接合方法を提供することにある。An object of the present invention is to provide a method for joining insulated heat pipes with higher productivity.
「課題を解決するための手段」
本発明に係る接合方法の一つは、前述の目的を達成する
ため、同一の高周波電源に切換器を介して並列に接続さ
れた複数の誘導コイルをチャンバ内に設置し、金属スリ
ーブとパイプ本体との差込部にろう材を置いて当該差込
部を各誘導コイル内にそれぞれセットし、前記チャンバ
ー内を真空又は還元性雰囲気ないし不活性雰囲気に保ち
、前記切換器の操作により前記各誘導コイルへの通電を
加熱接合に必要な時間毎に順次切り換えるように構成し
ている。"Means for Solving the Problem" In order to achieve the above-mentioned object, one of the bonding methods according to the present invention connects a plurality of induction coils connected in parallel to the same high-frequency power source via a switch in a chamber. , place a brazing material in the insertion part between the metal sleeve and the pipe body, set the insertion part in each induction coil, and maintain the inside of the chamber in a vacuum or a reducing atmosphere or an inert atmosphere, The switching device is operated to sequentially switch the energization to each of the induction coils at intervals of time required for heat bonding.
本発明に係る接合方法の他の一つは、前述の目的を達成
するため、直列に接続された複数の誘導コイルからなる
複数の誘導コイル群を、それぞれ同一の高周波電源に切
換器を介して並列に接続してチャンバー内に設置し、金
属スリーブとパイプ本体との差込部にろう材を置いて当
該差込部を各誘導コイル内にそれぞれセットし、前記チ
ャンバー内を真空又は還元性雰囲気ないし不活性雰囲気
に保ち、前記切換器の操作により前記各誘導コイル群へ
の通電を加熱接合に必要な時間毎に順次切り換えるよう
に構成している。Another joining method according to the present invention, in order to achieve the above-mentioned object, connects a plurality of induction coil groups each consisting of a plurality of induction coils connected in series to the same high-frequency power source through a switch. They are connected in parallel and installed in a chamber, a brazing material is placed in the insertion part of the metal sleeve and the pipe body, and the insertion part is set in each induction coil, and the inside of the chamber is set in a vacuum or reducing atmosphere. The atmosphere is maintained in an inert atmosphere, and the switching device is operated to sequentially switch the energization to each induction coil group at intervals of time required for heat bonding.
前記の各接合方法においては、切換器と各誘導コイルな
いし誘導コイル群との間に変流器を設け、電源からの低
圧電流を高圧電流に変流して誘導コイルに通電させるの
か好ましい。In each of the above joining methods, it is preferable to provide a current transformer between the switch and each induction coil or group of induction coils, and transform the low voltage current from the power source into high voltage current to energize the induction coil.
本発明に係る接合方法のさらに他の一つは、前述の目的
を達成するため、同一の高周波電源に直列に接続された
複数の誘導コイルをチャンバー内に設置し、金属スリー
ブとパイプ本体との差込部にろう材を置いて当該差込部
を各誘導コイル内にそれぞれセットし、前記チャンバー
内を真空又は還元性雰囲気ないし不活性雰囲気に保ち、
各誘導コイルに通電するように構成している。In yet another joining method according to the present invention, in order to achieve the above-mentioned object, a plurality of induction coils connected in series to the same high-frequency power source are installed in a chamber, and a metal sleeve and a pipe body are connected together. Place a brazing material in the insertion part and set the insertion part in each induction coil, maintain the inside of the chamber in a vacuum or a reducing atmosphere or an inert atmosphere,
Each induction coil is configured to be energized.
「作用」
本発明の接合方法の一つによれば、切換器の操作によっ
て複数の誘導コイルへ加熱接合に必要な時間毎に順次通
電され、各誘導コイルにセットされた金属スリーブとパ
イプ本体とか順次加熱接合される。"Operation" According to one of the bonding methods of the present invention, a plurality of induction coils are sequentially energized for each time required for heating bonding by operating a switching device, and the metal sleeve and pipe body set in each induction coil are connected. Heat bonding is performed in sequence.
本発明の接合方法の他の一つによれば、切換器の操作て
複数の誘導コイル群へ加熱接合に必要な時間毎に順次通
電され、各誘導コイル群にセットされたそれぞれの金属
スリーブとパイプ本体とか順次加熱接合される。一つの
誘導コイル群の各コイルにセットされた金属スリーブと
パイプ本体とは同時に加熱接合される。According to another joining method of the present invention, a switching device is operated to sequentially energize a plurality of induction coil groups at intervals of time necessary for heating and joining, and each metal sleeve set in each induction coil group is connected to the metal sleeve set in each induction coil group. The pipe body is heated and joined in sequence. The metal sleeve set in each coil of one induction coil group and the pipe body are simultaneously heated and joined.
また、前記各接合方法“においては、設定したチャンバ
ー内の雰囲気は、全部の誘導コイルによるそれぞれの金
属スリーブとパイプ本体との加熱接合か読了するまて維
持される。Furthermore, in each of the above-mentioned joining methods, the atmosphere within the chamber is maintained until the heating joining of each metal sleeve and the pipe body by all induction coils is completed.
本発明に係る発明方法のさらに他の一つによれば、複数
の金属スリーブとバイブ本体とか同時に加熱接合される
。According to yet another method of the present invention, a plurality of metal sleeves and a vibrator body are simultaneously heat-bonded.
「実施例」
以下図面を参照しなから、本発明方法の好適な実施例を
説明する。``Example'' Preferred embodiments of the method of the present invention will be described below with reference to the drawings.
第1図は本発明に係る接合方法の一実施例を説明するた
めの装置の一例であって、一つの高周波電源1には、複
数の誘導コイルICI〜IC4がそれぞれ切換器SWI
〜SW4を介して並列に接続されており、各誘導コイル
IC1〜IC4はチャンバー2内に位置され、各切換器
SWI〜sw4と各誘導コイルICI〜IC4の間には
、コイルICI〜ICJ寄りの位置に変流器CTI〜C
T4か設置されている。FIG. 1 shows an example of a device for explaining an embodiment of the joining method according to the present invention, in which one high-frequency power source 1 includes a plurality of induction coils ICI to IC4, each with a switch SWI.
~SW4 are connected in parallel, and each induction coil IC1~IC4 is located in the chamber 2, and between each switch SWI~sw4 and each induction coil ICI~IC4, there is a coil closer to the coil ICI~ICJ. Current transformer CTI~C in position
T4 is installed.
この実施例の誘導コイルICは、外径5mmの銅チュー
フを二重にして二巻きしたもので、外側の巻径(外径)
はぼ50 m m 、内径はぼ25 m mてあり、内
部には冷水を循環させて水冷状態て使用される。The induction coil IC of this example is made by doubling a copper tube with an outer diameter of 5 mm and winding it twice.The outer winding diameter (outer diameter)
It has a length of 50 mm and an inner diameter of approximately 25 mm, and is used in a water-cooled state by circulating cold water inside.
第2図のように、セラミツつて円筒状に成形されたかい
し4の両端部には、Fe−Ni合金からなる金属スリー
ブ5か予め接合されており、先ず一方の金属スリーブ5
に外径12mmの鋼管よりなるパイプ本体3の端部を差
し込んだ差込部30に、ろう材(J I S BAg
−8の銀ろう)6を巻き、この差込部30を図のように
各誘導コイルICI〜IC4の内側にセットする。As shown in FIG. 2, metal sleeves 5 made of Fe-Ni alloy are joined in advance to both ends of the cylinder 4 made of ceramic.
A brazing filler metal (JIS BAg
-8 silver solder) 6 is wound, and this insertion part 30 is set inside each induction coil ICI to IC4 as shown in the figure.
この実施例ては、差込部30を図のようにセットした状
態においてパイプ本体3及び金属スリーブ5は垂直な状
態である。In this embodiment, the pipe body 3 and the metal sleeve 5 are in a vertical state when the insertion part 30 is set as shown in the figure.
次いて、チャンバー2内を図示しない真空ポンプて高真
空(4x 10−2Torr)にして内部の耐素濃度を
低く (0,001%以下)し、不活性ガス(例えば水
素ガスを5%程度含むアルゴンガス)で置換してチャン
バー2内を常圧の不活性雰囲気ないし還元性雰囲気に設
定する。Next, the inside of the chamber 2 is brought to a high vacuum (4x 10-2 Torr) using a vacuum pump (not shown) to lower the internal element resistance concentration (below 0,001%), and an inert gas (for example, containing about 5% hydrogen gas) is applied. The inside of the chamber 2 is set to an inert atmosphere or a reducing atmosphere at normal pressure by replacing the gas with argon gas.
次いて、切換器SWIの操作て誘導コイルIC1に通電
し、接合具合を監視しなから5KW、75KHz程度の
高周波をほぼ10秒間加え、その後誘導コイルICIへ
の通電を遮断するとともに、以下同様な要領て切換器S
W2.SW3.SW4を順に操作して誘導コイルIC2
,IC3,IC4にそれぞれlO秒間程度通電し、各誘
導コイルICI〜IC4にそれぞれセットした四本のパ
イプ本体3と金属スリーブ5とを順次加熱接合した。Next, operate the switch SWI to energize the induction coil IC1, and while monitoring the connection condition, apply a high frequency of about 5KW and 75KHz for about 10 seconds, then cut off the energization to the induction coil ICI, and repeat the same process. Point switch S
W2. SW3. Operate SW4 in order to connect induction coil IC2.
, IC3, and IC4 for about 10 seconds, and the metal sleeves 5 and the four pipe bodies 3 set in each of the induction coils ICI to IC4 were successively joined by heating.
この実施例によれば、−度設定した適切な雰囲気中て複
数の金属スリーブ5とパイプ本体3との加熱接合を行な
うことかでき、かつそれを短かい時間て行なうことかて
きるから、生産性か極めてよくなる。According to this embodiment, the plurality of metal sleeves 5 and the pipe body 3 can be heated and bonded in an appropriate atmosphere set at -℃, and can be carried out in a short period of time. My sex is extremely improved.
この実施例において、誘導コイルICIとIC2、及び
IC3とIC4とを、それぞれ第2図の差込部30.3
0の間隔と等しい間隔て上下方向へ一致させて配置すれ
ば、−木のヒートバイブにおける両方の差込部30.3
0を順次加熱接合することかてきる。In this embodiment, the induction coils ICI and IC2, and IC3 and IC4 are respectively connected to the insertion portions 30.3 of FIG.
If they are aligned in the vertical direction with an interval equal to the interval of 0, both insertion parts 30.3 of the wooden heat vibrator
0 can be sequentially heat-bonded.
第3図は本発明に係る接合方法の他の例を実施するため
の装置例を示すものであり、高周波電源1には、それぞ
れ並列に接続された複数の誘導コイルICI、IC2、
及びIC3,IC4からなる複数の誘導コイル群CI、
C2か、切換器SW1、SW2及び変流器CTI、CT
2を介して接続されており、この各誘導コイル群CI、
C2をチャンバー2内に設置している。FIG. 3 shows an example of an apparatus for implementing another example of the joining method according to the present invention, in which a high frequency power source 1 includes a plurality of induction coils ICI, IC2,
and a plurality of induction coil groups CI consisting of IC3 and IC4,
C2, switch SW1, SW2 and current transformer CTI, CT
2, and each induction coil group CI,
C2 is installed in chamber 2.
誘導コイルICIとIC2、誘導コイルIC3とIC4
とは、それぞれ材質や構造及び寸法をより正確に一致さ
せ、バラツキを極力なくするように製造する。Induction coils ICI and IC2, induction coils IC3 and IC4
The materials, structures, and dimensions of these products are manufactured to match each other more accurately and to minimize variations.
前述の実施例と同様なパイプ本体3.金属スリ75.ろ
う材6を使用し、各誘導コイル群C1、C2のそれぞれ
の誘導コイルICI〜IC4内に、前記実施例と回し要
領でパイプ本体3と金属スリーブ5の差込部30をセッ
トし、チャンバー2内を同様な要領て不活性雰囲気ない
し還元性雰囲気にした後、切換器SWIを操作して誘導
コイル群C1へ通電し、接合具合を監視しなから前記実
施例と同様な高周波を約lO抄間加え、その後誘導コイ
ル群C1への通電を遮断するとともに切換器SW2の操
作て誘導コイル群C2へ同様に通電して、四本のパイプ
本体3と金属スリー75をそれぞれ二本ずつ順に加熱接
合した。Pipe body similar to the previous embodiment 3. Metal pickpocket75. Using the brazing filler metal 6, the pipe body 3 and the insertion part 30 of the metal sleeve 5 are set in the induction coils ICI to IC4 of each of the induction coil groups C1 and C2 in the same manner as in the above embodiment, and the chamber 2 After creating an inert atmosphere or a reducing atmosphere inside the interior in the same manner, operate the switch SWI to energize the induction coil group C1, and while monitoring the connection condition, apply high frequency to about 10 minutes as in the previous example. After that, the current to the induction coil group C1 is cut off, and the switching switch SW2 is operated to energize the induction coil group C2 in the same way, and the four pipe bodies 3 and two metal sleeves 75 are successively joined by heating. did.
この実施例の接合方法の作用及び効果は、前記実施例の
場合とほぼ同様なのてそれらの説明は省略する。The functions and effects of the joining method of this embodiment are almost the same as those of the previous embodiment, and therefore their explanation will be omitted.
第4図は本発明に係る接合方法のさらに他の例を説明す
るための装置例を示すもので、高周波電源lには、複数
の誘導コイルICI〜IC4を直列に接続し、この誘導
コイルICI〜IC4をチャンバー2内に位置させてい
る。FIG. 4 shows an example of a device for explaining still another example of the joining method according to the present invention, in which a plurality of induction coils ICI to IC4 are connected in series to a high frequency power source l, and the induction coils ICI ~IC4 is located within chamber 2.
誘導コイルICI〜IC4は、それぞれ材質や構造及び
寸法をより正確に一致させ、バラツキを極力なくするよ
うに製造する。The induction coils ICI to IC4 are manufactured so that their materials, structures, and dimensions match each other more accurately, and variations are minimized.
第2図と同様なパイプ本体3.金属スリー75、ろう材
6を使用し、各誘導コイルICI〜IC4内に、前記実
施例と同し要領てパイプ本体3と金属スリー75の差込
部30をセットし、チャンバー2内を同様な要領で不活
性雰囲気ないし還元性雰囲気にした後、誘導コイルIC
I〜IC4へ通電し、接合具合を監視しなから前記各実
施例と同様な高周波を約10秒間加えて、四本のパイプ
本体3と金属スリー75を同時に力ロ熱接合した。Pipe body 3 similar to Fig. 2. Using the metal sleeve 75 and the brazing material 6, the pipe body 3 and the insertion part 30 of the metal sleeve 75 are set in each induction coil ICI to IC4 in the same manner as in the above embodiment, and the inside of the chamber 2 is opened in the same manner. After creating an inert atmosphere or reducing atmosphere according to the procedure, the induction coil IC
The four pipe bodies 3 and the metal sleeve 75 were simultaneously connected by force and heat by applying electricity to ICs I to IC4, monitoring the connection status, and applying high frequency waves for about 10 seconds similar to those in each of the above embodiments.
この実施例の接合方法によれば、前述の各実施例の場合
よりさらに短時間で複数のパイプ本体3と金属スリー7
5とを接合することかできる。According to the joining method of this embodiment, a plurality of pipe bodies 3 and metal sleeves 7 can be assembled in a shorter time than in the previous embodiments.
5 can be joined.
第3図及び第4図の実施例において、誘導コイルICI
とIC2,及びIC3とIC4とを、それぞれ第2図の
差込部30.30の間隔と等しい間隔て上下方向へ一致
させて配置すれば、−本のヒートパイプにおける両方の
差込部30.30を同時に加熱接合することかできる。In the embodiments of FIGS. 3 and 4, the induction coil ICI
If IC2 and IC2, and IC3 and IC4 are aligned in the vertical direction at intervals equal to the spacing between the insertion portions 30. and 30 in FIG. 2, respectively, both insertion portions 30. 30 can be heat-bonded at the same time.
前記各実施例の接合方法においては、予めかいし4に接
合された金属スリー75とパイプ本体3とを接合したか
、先ず金属スリー75とパイプ本体3とを接合し、その
後金属スリーフ5とかいし4とを接合してもよい。In the joining method of each of the embodiments described above, the metal sleeve 75 and the pipe body 3 which have been joined to the shield 4 in advance are joined, or the metal sleeve 75 and the pipe body 3 are first joined, and then the metal sleeve 5 and the pipe body 3 are joined. 4 may be joined.
前記各実施例では、チャンバー2内を還元性ないし不活
性雰囲気に保って部材を加熱したか、真空ても加熱部表
面における酸化皮膜の形成を阻止することかてきるのて
、チャンバー2内を真空に保って実施することかてきる
。In each of the above embodiments, the members were heated while maintaining the inside of the chamber 2 in a reducing or inert atmosphere, or the inside of the chamber 2 was heated in a vacuum to prevent the formation of an oxide film on the surface of the heated part. It can be carried out by keeping it in a vacuum.
なお、本発明に係る接合方法は前記実施例のみに限定さ
れるものではなく、特許請求の範囲に記載された範囲内
において、適宜他の要素を付加しあるいは主要てない部
分を変更して実施する場合か含まれる。Note that the joining method according to the present invention is not limited to the above-mentioned embodiments, and may be implemented by adding other elements or changing non-essential parts as appropriate within the scope of the claims. Included if you do.
「発明の効果」
本発明に係る接合方法によれば、パイプ本体と金属スリ
ーブとを極めて生産性よく接合することかてき、より低
コストて絶縁型ヒートバイブを製造することかてきる。[Effects of the Invention] According to the joining method according to the present invention, the pipe body and the metal sleeve can be joined with extremely high productivity, and an insulated heat vibrator can be manufactured at a lower cost.
第1図は本発明に係る接合方法の一例を説明するための
装置例を示す概略平面図、第2図は接合時におけるパイ
プ本体と金属フレーム及び誘導コイルの位置関係を示す
部分拡大正面図、第3図及び第4図はそれぞれ他の接合
方法の実施例を説明するための装置例の概略平面図であ
る。
間中主要符号の説明
1は高周波電源、2はチャンバー、3はパイプ本体、3
0はパイプ本体と金属スリー7との差込部、ICI〜I
C4は誘導コイル、C1,C2は誘導コイル群、SWI
〜SW4は切換器、CTI〜CT4は変流器である。FIG. 1 is a schematic plan view showing an example of an apparatus for explaining an example of the joining method according to the present invention; FIG. 2 is a partially enlarged front view showing the positional relationship between the pipe body, the metal frame, and the induction coil during joining; 3 and 4 are schematic plan views of examples of apparatus for explaining embodiments of other bonding methods, respectively. Explanation of main symbols throughout: 1 is a high frequency power source, 2 is a chamber, 3 is a pipe body, 3
0 is the insertion part between the pipe body and the metal sleeve 7, ICI~I
C4 is an induction coil, C1 and C2 are induction coil groups, SWI
~SW4 is a switch, and CTI~CT4 are current transformers.
Claims (3)
された複数の誘導コイルをチャンバー内に設置し、金属
スリーブとパイプ本体との差込部にろう材を置いて当該
差込部を各誘導コイル内にそれぞれセットし、前記チャ
ンバー内を真空又は還元性雰囲気ないし不活性雰囲気に
保ち、前記切換器の操作により前記各誘導コイルへの通
電を加熱接合に必要な時間毎に順次切り換えることを特
徴とする、絶縁型ヒートパイプの接合方法。(1). Multiple induction coils connected in parallel to the same high-frequency power source via a switch are installed in a chamber, and a brazing material is placed in the insertion part between the metal sleeve and the pipe body, and the insertion part is connected to each induction coil. The inside of the chamber is maintained in a vacuum or a reducing atmosphere or an inert atmosphere, and the energization to each induction coil is sequentially switched at each time required for heat bonding by operating the switching device. A method for joining insulated heat pipes.
数の誘導コイル群を、それぞれ同一の高周波電源に切換
器を介して並列に接続してチャンバー内に設置し、金属
スリーブとパイプ本体との差込部にろう材を置いて当該
差込部を各誘導コイル内にそれぞれセットし、前記チャ
ンバー内を真空又は還元性雰囲気ないし不活性雰囲気に
保ち、前記切換器の操作により前記各誘導コイル群への
通電を加熱接合に必要な時間毎に順次切り換えることを
特徴とする絶縁型ヒートパイプの接合方法。(2). A plurality of induction coil groups consisting of a plurality of induction coils connected in series are each connected in parallel to the same high-frequency power source via a switch and installed in a chamber, and the insertion part between the metal sleeve and the pipe body is installed. Place the brazing material and set the insertion part in each induction coil, maintain the inside of the chamber in a vacuum, reducing atmosphere, or inert atmosphere, and energize each induction coil group by operating the switching device. A method for joining an insulated heat pipe, characterized in that the heat pipes are sequentially switched at each time required for heating and joining.
導コイルをチャンバー内に設置し、金属スリーブとパイ
プ本体との差込部にろう材を置いて当該差込部を各誘導
コイル内にそれぞれセットし、前記チャンバー内を真空
又は還元性雰囲気ないし不活性雰囲気に保ち、各誘導コ
イルに通電することを特徴とする、絶縁型ヒートパイプ
の接合方法。(3). Multiple induction coils connected in series to the same high-frequency power source are installed in a chamber, a brazing material is placed in the insertion part between the metal sleeve and the pipe body, and the insertion part is set into each induction coil. A method for joining insulated heat pipes, characterized in that the inside of the chamber is kept in a vacuum or a reducing atmosphere or an inert atmosphere, and each induction coil is energized.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2232748A JP2834559B2 (en) | 1990-09-03 | 1990-09-03 | Joining method of insulated heat pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2232748A JP2834559B2 (en) | 1990-09-03 | 1990-09-03 | Joining method of insulated heat pipe |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04113190A true JPH04113190A (en) | 1992-04-14 |
JP2834559B2 JP2834559B2 (en) | 1998-12-09 |
Family
ID=16944142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2232748A Expired - Fee Related JP2834559B2 (en) | 1990-09-03 | 1990-09-03 | Joining method of insulated heat pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2834559B2 (en) |
-
1990
- 1990-09-03 JP JP2232748A patent/JP2834559B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2834559B2 (en) | 1998-12-09 |
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