JPS63204085A - Hydrogen gas discharger - Google Patents
Hydrogen gas dischargerInfo
- Publication number
- JPS63204085A JPS63204085A JP3616887A JP3616887A JPS63204085A JP S63204085 A JPS63204085 A JP S63204085A JP 3616887 A JP3616887 A JP 3616887A JP 3616887 A JP3616887 A JP 3616887A JP S63204085 A JPS63204085 A JP S63204085A
- Authority
- JP
- Japan
- Prior art keywords
- hydrogen
- hydrogen gas
- container
- tube
- palladium
- 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
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims description 51
- 239000001257 hydrogen Substances 0.000 claims description 34
- 229910052739 hydrogen Inorganic materials 0.000 claims description 34
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 22
- 150000002431 hydrogen Chemical class 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052763 palladium Inorganic materials 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Lasers (AREA)
- Hydrogen, Water And Hydrids (AREA)
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】
（イ）産業上の利用分野
本発明は、吸収冷凍機や吸収ヒートポンプ等の機械内に
発生する水素ガスを機械外へ排出するために用られる水
素ガス排出装置に関する。DETAILED DESCRIPTION OF THE INVENTION (A) Field of Industrial Application The present invention relates to a hydrogen gas discharge device used for discharging hydrogen gas generated inside a machine such as an absorption refrigerator or an absorption heat pump to the outside of the machine.
（ロ）従来の技術
従来此種の水素ガス排出装置では実公昭４７−１９９７
０号公報に開示されているように、パラジウムで作製さ
れた水素放出管を水素ガスの流入する容器にろう材を使
用して接合し、水素ガスのみを機械外へ排出する水素ガ
ス排出装置が公知となっている。(b) Conventional technology Conventionally, this type of hydrogen gas discharge device
As disclosed in Publication No. 0, there is a hydrogen gas discharge device that uses a brazing material to join a hydrogen discharge tube made of palladium to a container into which hydrogen gas flows, and discharges only hydrogen gas to the outside of the machine. It is publicly known.
（ハ） 発明が解決しようとする問題点ところが、此種
従来の水素ガス排出装置では、鉄または銅で作製されて
いる容器とパラジウムで作製されている水素放出管との
接合部が銀ろうによって接合されており、且つ該銀ろう
は前記接合部の隙間にも入り込み容器の気密性を保つ役
割を果していた。前記隙間に入り込んだ銀ろうは使用時
の加熱によって更に酸化が促進されており、この酸化の
ため銀ろうが脆くなり、脱落や亀裂のために隙間があき
気密性が保てなくなっていた。すなわち装置の耐久性が
劣るという問題があった。(c) Problems to be Solved by the Invention However, in this type of conventional hydrogen gas discharge device, the joint between the container made of iron or copper and the hydrogen discharge tube made of palladium is not bonded with silver solder. The silver solder entered the gap between the joints and played a role in keeping the container airtight. Oxidation of the silver solder that has entered the gap is further promoted by heating during use, and this oxidation makes the silver solder brittle, resulting in gaps that form due to falling off or cracking, making it impossible to maintain airtightness. In other words, there was a problem that the durability of the device was poor.
加えて、前記ろう付時の熱の伝導によって水素放出管の
表面全体が酸化したり、または表面に異物が付着する結
果、熱の影響を受けないときの約％〜し３に装置の水素
ガス排出能力が低下するという問題点もあった。In addition, as a result of the conduction of heat during brazing, the entire surface of the hydrogen release tube may be oxidized, or foreign matter may adhere to the surface, the hydrogen gas in the device may be reduced by approximately 3% to 3% compared to when it is not affected by heat. There was also the problem that the discharge capacity decreased.
本発明は上述した従来技術の問題点に鑑みてなされたも
のであり、従来装置よりも更に耐久性があり、且つ水素
ガス排出能力が向上している水素ガス排出装置の提供を
技術的課題とする。The present invention has been made in view of the problems of the prior art described above, and the technical problem is to provide a hydrogen gas evacuation device that is more durable than the conventional device and has improved hydrogen gas evacuation ability. do.
（ニ）問題点を解決するための手段
本発明は上記問題点を解決する手段として、鉄または銅
で形成された容器に取付ける水素放出管をパラジウムで
形成し、前記容器と水素放出管との接合部をレーザー光
線にて溶解し接合したものである。(d) Means for Solving the Problems The present invention, as a means for solving the above-mentioned problems, includes forming a hydrogen release tube attached to a container made of iron or copper from palladium, and connecting the container and the hydrogen release tube. The joint is melted and joined using a laser beam.
（ホ）作用
本発明の水素ガス排出装置では、鉄または鋼で作製され
ている容器とパラジウムで作製されている水素放出管と
の接合部をレーザー光線にて溶解して接合されているの
で、前記接合部は装置の長期の使用によっても亀裂を生
じにくい。このため本発明の装置では従来の装置に比べ
て長期間装置の気密性を保つ。(E) Function In the hydrogen gas discharge device of the present invention, the container made of iron or steel and the hydrogen discharge tube made of palladium are joined by melting with a laser beam. The joints are less prone to cracking even after long-term use of the device. Therefore, the device of the present invention maintains airtightness for a longer period of time than conventional devices.
また、物体の局部を集中して加熱するのに適したレーザ
ー光線によれば、水素放出管と容器との接合部を短時間
で溶解して接合できるので、前記接合部に加えられた熱
の伝導による水素放出管全体の高温化を防ぐことができ
、高温化に伴う水素放出管全体の酸化や異物付着を軽減
することができる。このため、水素放出管の酸化や異物
付着によりて生じる水素ガス排出能力の低下を軽減する
ことができ、本発明の水素ガス排出装置は水素ガス排出
能力を充分に発揮する。Furthermore, using a laser beam that is suitable for heating a localized area of an object, the joint between the hydrogen release tube and the container can be melted and joined in a short period of time, allowing the conduction of heat applied to the joint. It is possible to prevent the temperature of the entire hydrogen discharge tube from increasing due to the temperature increase, and it is possible to reduce oxidation and foreign matter adhesion of the entire hydrogen discharge tube due to the increase in temperature. Therefore, it is possible to reduce the decrease in the hydrogen gas discharge capacity caused by oxidation or foreign matter adhesion to the hydrogen discharge tube, and the hydrogen gas discharge device of the present invention fully exhibits the hydrogen gas discharge capacity.
（へ）実施例
以下、本発明を図面と共に説明する。第１図は本発明の
一実施例である水素ガス排出装置の断面図である。（１
）は図示しない吸収器や不凝縮ガスタンクと接続してい
る水素ガス導入管である。（２）は水素ガスの流入する
容器で、前記水素ガス導入管（１）と接続されている。(f) Examples The present invention will be explained below with reference to the drawings. FIG. 1 is a sectional view of a hydrogen gas exhaust device that is an embodiment of the present invention. (1
) is a hydrogen gas introduction pipe connected to an absorber and non-condensable gas tank (not shown). (2) is a container into which hydrogen gas flows, and is connected to the hydrogen gas introduction pipe (1).
（３）はヒータで、これは水素ガス排出装置の雰囲気温
度を３５０’Ｃ程度まで加熱するものである。（４）は
水素放出管で、これはパラジウム素管（６）から作製さ
れている。(3) is a heater, which heats the ambient temperature of the hydrogen gas exhaust device to about 350'C. (4) is a hydrogen release tube, which is made from a palladium tube (6).
（５）は接合部であり、これは前記容器（２）と水素放
出管（４）とをレーザー光線によって溶接されている部
分である。(5) is a joint, which is a part where the container (2) and the hydrogen release tube (4) are welded together using a laser beam.
本発明の構成は以上の如くであり、以下製作の過程につ
いて説明する。まず最初に水素放出管（４）の製作につ
いて第２図、第３図、および第４図に基づいて説明する
。第２図はパラジウム素管（６）を示している。第３図
は該パラジウム素管（６）の一方の開口（６Ａ）を図示
しない丸い凹部等に押圧して絞った状態の図である。小
さく絞られた開口（６Ｂ）部分へレーザー光線を照射し
て回りの部分を少し溶解し、該開口（６Ｂ）を密封する
。従って、第４図に示すように試験管のような形状の水
素放出管（４）となる。The structure of the present invention is as described above, and the manufacturing process will be explained below. First, the production of the hydrogen discharge tube (4) will be explained based on FIGS. 2, 3, and 4. Figure 2 shows a palladium tube (6). FIG. 3 is a diagram showing one opening (6A) of the palladium tube (6) squeezed by pressing into a round recess (not shown) or the like. A laser beam is irradiated onto the narrow opening (6B) to slightly melt the surrounding area and seal the opening (6B). Therefore, as shown in FIG. 4, the hydrogen release tube (4) is shaped like a test tube.
次に容器（２）と水素放出管（４）との接合について第
５図、第６図、および第７図に基づいて説明する。容器
（２）に設けられた穴（２Ａ）は水素放出管（４）の外
径より少し大きい内径を有しており、該穴（２Ａ）へ水
素放出管（４）を密封部分（４Ａ）から挿入する。そし
て、水素放出管（４）の開口へ、該開口の内径より少、
し大きい外径を持つ棒等を挿入し、前記水素放出管（４
）の拡管を行う。この拡管作業によって穴（２Ａ）と水
素放出管（４）とが密着する。容器（２）と水素放出管
（４）との接合部（５）は、第６図に示すようにレーザ
ー光線を容器（２）面に対して４５°の角度で且つ容器
（２）と水素放出管（４）とを同時に回転させながら照
射する。この時間はわずか３秒間である。この結果、前
記容器（２）と水素放出管（４）の一部が溶解して接合
することになる。われわれは異種金属のレーザー光線に
よる溶接の実験を行い、パラジウムと鉄、またはパラジ
ウムと銅のいずれも良好な溶接であるとの結果がでてお
り、本発明である水素放出管（４）と容器（２）とのレ
ーザー光線による溶接も前記結果と同様に良好な接合と
なった。Next, the connection between the container (2) and the hydrogen discharge tube (4) will be explained based on FIGS. 5, 6, and 7. The hole (2A) provided in the container (2) has an inner diameter slightly larger than the outer diameter of the hydrogen release tube (4), and the hydrogen release tube (4) is inserted into the hole (2A) into the sealed portion (4A). Insert from. Then, to the opening of the hydrogen release pipe (4), a diameter smaller than the inner diameter of the opening,
Insert a rod etc. with a large outer diameter into the hydrogen release tube (4).
). This tube expansion operation brings the hole (2A) and the hydrogen release tube (4) into close contact. The joint (5) between the container (2) and the hydrogen release tube (4) is designed to direct the laser beam at an angle of 45° to the surface of the container (2) as shown in FIG. The tube (4) is irradiated while being rotated at the same time. This time is only 3 seconds. As a result, a portion of the container (2) and the hydrogen discharge tube (4) are melted and joined together. We conducted experiments on welding dissimilar metals using laser beams, and found that both palladium and iron or palladium and copper could be well welded. Welding with 2) using a laser beam also resulted in a good bond similar to the above results.
次に使用時について説明する。前記吸収器や不凝縮ガス
タンク内の水素ガスを水素ガス排出装置外へ排出するた
めに、初めはヒータ（３）で前記装置の雰囲気温度を３
５０℃程度まで加熱する。この加熱された状態では、水
素放出管（４）は常温よりも多量の水素ガスを装置外へ
排出する。Next, the use will be explained. In order to discharge the hydrogen gas in the absorber and non-condensable gas tank to the outside of the hydrogen gas exhaust device, the heater (3) is used to initially lower the ambient temperature of the device to 3.
Heat to about 50℃. In this heated state, the hydrogen discharge tube (4) discharges more hydrogen gas out of the device than at room temperature.
（ト）発明の効果
本発明は以上の如くであり、以下のような特有な効果を
奏する。(G) Effects of the Invention The present invention is as described above, and has the following unique effects.
本発明の水素ガス排出装置では、鉄または銅で作製され
ている容器とパラジウムで作製されている水素放出管と
の接合部をレーザー光線にて溶解して接合されているの
で、前記接合部は長期の使用によっても亀裂を生じにく
い。このため本発明の装置では従来の装置に比べて長期
間装置の気密性を保つ。従って、従来装置よりも耐久性
の勝る水素ガス排出装置の提供が可能となる。In the hydrogen gas discharge device of the present invention, the joint made of the container made of iron or copper and the hydrogen discharge tube made of palladium is melted and joined with a laser beam, so that the joint is maintained for a long time. Does not easily crack even when used. Therefore, the device of the present invention maintains airtightness for a longer period of time than conventional devices. Therefore, it is possible to provide a hydrogen gas exhaust device that is more durable than conventional devices.
また、物体の局部を集中して加熱するのに適したレーザ
ー光線によれば、水素放出管と容器との接合部を短時間
で溶解して接合できるので、前記接合部に加えられた熱
の伝導による水素放出管全体の高温化を防ぐことができ
、高温化に伴う水素放出管全体の酸化や異物付着を軽減
することができる。このため、水素放出管の酸化や異物
付着によって生じる水素ガス排出能力の低下を軽減する
ことができ、本発明の水素ガス排出装置は水素ガス排出
能力を充分に発揮する。従って、従来装置よりも水素ガ
ス排出能力が向上した水素ガス排出装置の提供が可能と
なる。Furthermore, using a laser beam that is suitable for heating a localized area of an object, the joint between the hydrogen release tube and the container can be melted and joined in a short period of time, allowing the conduction of heat applied to the joint. It is possible to prevent the temperature of the entire hydrogen discharge tube from increasing due to the temperature increase, and it is possible to reduce oxidation and foreign matter adhesion of the entire hydrogen discharge tube due to the increase in temperature. Therefore, it is possible to reduce the reduction in the hydrogen gas discharge capacity caused by oxidation or foreign matter adhesion to the hydrogen discharge tube, and the hydrogen gas discharge device of the present invention fully exhibits the hydrogen gas discharge capacity. Therefore, it is possible to provide a hydrogen gas evacuation device with improved hydrogen gas evacuation ability compared to conventional devices.
第１図は本発明の一実施例である水素ガス排出装置の断
面図、第２図は水素放出管の作製のための説明断面図、
第３図は絞り工程終了後の説明断面図、第４図は絞り時
の開口の封止後の状態を示す説明断面図、第５図は水素
放出管と容器との接合の説明断面図、第６図はレーザー
溶接の説明断面図、第７図は溶接後の説明断面図である
。
（２）・・・容器、 （３）・・・ヒータ、 （４）
・・・水素放出管、 （５）・・・接合部、 （６Ｂ）
・・・開口。FIG. 1 is a sectional view of a hydrogen gas discharge device which is an embodiment of the present invention, FIG. 2 is an explanatory sectional view for manufacturing a hydrogen discharge pipe,
FIG. 3 is an explanatory sectional view after the squeezing process is completed, FIG. 4 is an explanatory sectional view showing the state after the opening is sealed during squeezing, and FIG. 5 is an explanatory sectional view of the connection between the hydrogen release tube and the container. FIG. 6 is an explanatory sectional view of laser welding, and FIG. 7 is an explanatory sectional view after welding. (2)...Container, (3)...Heater, (4)
...Hydrogen release pipe, (5)...Joint part, (6B)
...opening.
Claims (1)
備えている水素ガス排出装置に於いて、前記容器は鉄ま
たは銅で作製され、前記水素放出管はパラジウムで作製
され、前記容器と水素放出管との接合部をレーザー光線
にて溶解して接合してあることを特徴とする水素ガス排
出装置。(1) In a hydrogen gas discharge device comprising a container and a hydrogen release pipe disposed in the container, the container is made of iron or copper, the hydrogen release pipe is made of palladium, A hydrogen gas discharge device characterized in that a joint portion between the container and the hydrogen discharge tube is melted and joined using a laser beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3616887A JPH079328B2 (en) | 1987-02-19 | 1987-02-19 | Hydrogen gas discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3616887A JPH079328B2 (en) | 1987-02-19 | 1987-02-19 | Hydrogen gas discharge device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63204085A true JPS63204085A (en) | 1988-08-23 |
| JPH079328B2 JPH079328B2 (en) | 1995-02-01 |
Family
ID=12462226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3616887A Expired - Fee Related JPH079328B2 (en) | 1987-02-19 | 1987-02-19 | Hydrogen gas discharge device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH079328B2 (en) |
-
1987
- 1987-02-19 JP JP3616887A patent/JPH079328B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH079328B2 (en) | 1995-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2904638B2 (en) | Brazing method and brazed joint | |
| JPS63204085A (en) | Hydrogen gas discharger | |
| JPS6311118B2 (en) | ||
| JPS60154868A (en) | Method for connecting copper pipe and aluminum pipe | |
| JPH0320311B2 (en) | ||
| JPH0110543Y2 (en) | ||
| JPS58110171A (en) | Brazing and fusion-welding method for metallic plate and metallic cylindrical body | |
| JPS626911B2 (en) | ||
| JPS586783A (en) | Joining method for wire net into thin walled pipe | |
| JPS6321589B2 (en) | ||
| JPS63148B2 (en) | ||
| JPS63254362A (en) | Hydrogen gas discharger | |
| JPS5942187A (en) | Welding method of composite metallic material | |
| JPS63180381A (en) | Piping joining method | |
| JPH04198069A (en) | Bonding of combination body of ceramics and metal | |
| JPS5872791A (en) | Method of connecting piping pipe of sealed type compressor | |
| JPH04187955A (en) | Sealing method for accumulator | |
| Zimmerman et al. | The Fundamentals of Microjoining Processes | |
| JPS6347554B2 (en) | ||
| JPS60108183A (en) | Press welding method of copper pipe and steel plate by resistance heating | |
| JPS5952033B2 (en) | Connection equipment for steel bars | |
| JPS6113186Y2 (en) | ||
| JPH0512074B2 (en) | ||
| JPS594963A (en) | Welding method | |
| JPS61253167A (en) | Brazing method for different metallic members |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |