JPH03238185A - Light beam heating machine - Google Patents
Light beam heating machineInfo
- Publication number
- JPH03238185A JPH03238185A JP2034291A JP3429190A JPH03238185A JP H03238185 A JPH03238185 A JP H03238185A JP 2034291 A JP2034291 A JP 2034291A JP 3429190 A JP3429190 A JP 3429190A JP H03238185 A JPH03238185 A JP H03238185A
- Authority
- JP
- Japan
- Prior art keywords
- lamp
- light energy
- light
- current
- optical fiber
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 14
- 239000013307 optical fiber Substances 0.000 claims abstract description 15
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/1487—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation making use of light guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Control Of Non-Electrical Variables (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Couplings Of Light Guides (AREA)
- Control Of Resistance Heating (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は小型部品、電子部品等のハンダ付、ロウ付、溶
接、およびプラスチック、樹脂等の加熱、接合に用いる
光ビーム加熱機に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a light beam heating machine used for soldering, brazing, welding small parts, electronic parts, etc., and heating and joining plastics, resins, etc.
従来の技術
一般的に、キセノンランプ等のランプの照射する光エネ
ルギーは、ランプに通電される電流の値によって変化す
る。したがって、これらのランプを用いた光ビーム加熱
機では、ランプに通電する電流値を設定することで、ラ
ンプから照射される光エネルギー、結果的に被加工物に
照射する光エネルギーを設定していた。BACKGROUND OF THE INVENTION Generally, the light energy emitted by a lamp such as a xenon lamp varies depending on the value of the current applied to the lamp. Therefore, in light beam heating machines using these lamps, by setting the current value applied to the lamp, the light energy irradiated from the lamp and, as a result, the light energy irradiated to the workpiece was set. .
発明が解決しようとする課題
しかしながら上記従来の光ビーム加熱機では、ランプに
通電される電流値が一定であっても、ランプの経年変化
や周囲の環境またはランプ自体の性能のバラツキによっ
て、ランプから照射される光エネルギーが変化するとい
う問題点があった。Problems to be Solved by the Invention However, in the above-mentioned conventional light beam heating machine, even if the current value applied to the lamp is constant, due to aging of the lamp, variations in the surrounding environment, or variations in the performance of the lamp itself, There was a problem in that the energy of the irradiated light changed.
したがって本発明は上記の問題点を解決し、光ビーム加
熱機を使用して被加工物を加熱加工する際に、ランプか
ら照射される光エネルギーを一定に保ち、安定して加熱
加工を行うことができる優れた光ビーム加熱機を提供す
ることを目的とするものである。Therefore, the present invention solves the above-mentioned problems, and when heat-processing a workpiece using a light beam heating machine, it is possible to keep the light energy irradiated from the lamp constant and perform stable heat-processing. The purpose of this invention is to provide an excellent light beam heating machine that can perform the following functions.
課題を解決するための手段
本発明は上記の目的を達成するために、ランプと、上記
ランプから放射された光エネルギーを他の一点に集光さ
せる反射鏡と、上記ランプに通電する電流を供給する電
源と、集光された光エネルギーの一部を受光して出力を
発生する光電変換素子を用いた検出手段と、上記検出手
段の出力から光エネルギー量を判断して上記電源を制御
することで上記ランプに通電する電流を制御する制御部
とを設けたものである。Means for Solving the Problems In order to achieve the above objects, the present invention provides a lamp, a reflector that focuses the light energy emitted from the lamp onto another point, and a current that is supplied to the lamp. a detection means using a photoelectric conversion element that receives a part of the focused light energy and generates an output; and controlling the power supply by determining the amount of light energy from the output of the detection means. and a control section for controlling the current flowing through the lamp.
作用
本発明は上記のような構成により、ランプが放射した後
反射鏡によって他の焦点に集光された光エネルギーを検
出手段により受光し、受光した光エネルギーに対応した
出力に変換し、この出力値から光エネルギー量を算出す
ることで、一定の光エネルギー量となるようにランプに
通電する電流値を制御するという作用を有する。Effect of the present invention With the above-described configuration, the detection means receives the light energy emitted by the lamp and focused on another focal point by the reflecting mirror, converts it into an output corresponding to the received light energy, and converts the light energy into an output corresponding to the received light energy. By calculating the amount of light energy from the value, it has the effect of controlling the value of the current flowing through the lamp so that the amount of light energy is constant.
実施例
第１図は本発明の一実施例の概略構成図である。第１図
において、１はキセノンランプ等のランプ、２はランプ
１の発光点であり、楕円反射鏡等を用いた反射鏡３の第
１焦点に位置している。Embodiment FIG. 1 is a schematic diagram of an embodiment of the present invention. In FIG. 1, 1 is a lamp such as a xenon lamp, and 2 is a light emitting point of the lamp 1, which is located at the first focal point of a reflecting mirror 3 using an elliptical reflecting mirror or the like.
４は反射鏡３の第２焦点であり、発光点２から放射され
た光エネルギーは反射鏡３に反射されて第２焦点４に集
光される。５は光ファイバーケーブルであり、０．２ｍ
ｍφの光ファイバーケーブルを約２００本束ねたもので
ある。光ファイバーケーブル５は一端を受光端６として
おり、他端には集光レンズ機構８が設けられている。５
ａは光ファイバーケーブルであり、光ファイバーケーブ
ル５のうち受光端６から３〜４本をまとめて分岐したも
のであり、一端は残りの光ファイバーケーブル５と同し
く受光端６に接続されており、他端は通過した光エネル
ギーを太陽電池１０に照射する位置に設けられている。Reference numeral 4 denotes a second focal point of the reflecting mirror 3 , and the light energy emitted from the light emitting point 2 is reflected by the reflecting mirror 3 and condensed at the second focal point 4 . 5 is an optical fiber cable, 0.2m
It is a bundle of approximately 200 mφ optical fiber cables. The optical fiber cable 5 has one end as a light receiving end 6, and the other end is provided with a condenser lens mechanism 8. 5
A is an optical fiber cable, which is a branch of 3 to 4 of the optical fiber cables 5 from the light receiving end 6. One end is connected to the light receiving end 6 like the rest of the optical fiber cables 5, and the other end is connected to the light receiving end 6. is provided at a position that irradiates the solar cell 10 with the light energy that has passed through it.
６は受光端であり、第２焦点４に集光された光エネルギ
ーを受光し、その全てを光ファイバーケーブル５および
５ａに通過させる。７は被加工物、８は集光レンズ機構
であり、光ファイバーケーブル５の内部を通過してきた
光エネルギーを被加工物７の近傍の焦点９に照射する。A light receiving end 6 receives the optical energy focused on the second focal point 4 and passes all of it to the optical fiber cables 5 and 5a. 7 is a workpiece, and 8 is a condensing lens mechanism, which irradiates light energy that has passed through the inside of the optical fiber cable 5 to a focal point 9 near the workpiece 7.
１０は太陽電池であり、受光した光エネルギーの強さに
応じて発電し、電流を発生させる。１１は制御部であり
、太陽電池１０で発生した電流の大小に応じて電源１２
を制御してランプ１に通電するランプ電流Ｉを制御する
。Reference numeral 10 denotes a solar cell, which generates electricity and current according to the intensity of received light energy. Reference numeral 11 denotes a control unit, which controls the power supply 12 according to the magnitude of the current generated by the solar cell 10.
The lamp current I applied to the lamp 1 is controlled by controlling the current I.
次に本実施例の動作について説明する。電源１２からラ
ンプ１にランプ電流■を供給することでランプ１は発光
し、光エネルギーを放射する。反射鏡３によって反射さ
れた上記光エネルギーは第２焦点４に集光され、ここで
受光端６によって受光され、光ファイバーケーブル５．
５ａに入り、上記光ファイバーケーブル５の内部を通過
した後、集光レンズ機構８により照射され、焦点９に照
射した光エネルギーを用いて被加工物７に対して加熱加
工を行う。Next, the operation of this embodiment will be explained. The lamp 1 emits light and radiates light energy by supplying the lamp current (2) from the power source 12 to the lamp 1. The light energy reflected by the reflector 3 is focused on the second focal point 4, where it is received by the light receiving end 6 and connected to the optical fiber cable 5.
5a, and after passing through the inside of the optical fiber cable 5, it is irradiated by the condenser lens mechanism 8, and the workpiece 7 is heated using the light energy irradiated to the focal point 9.
ここで、受光端６で受光した光エネルギーのうち一部は
光ファイバーケーブル５ａの内部を通過し、太陽電池１
０に照射される。太陽電池１０ではこの光エネルギーを
受光して発電を行うが、発電された電流の大きさにより
、制御部１１において、被加工物に照射される光エネル
ギー量を算出し、この値があらかじめ設定した光エネル
ギー量と比較して小さければランプ１に通電する電流Ｉ
の値を大きくシ、逆にあらかじめ設定した光エネルギー
量と比較して大きければランプ１に通電する電流Ｉの値
を小さくするように電源１２を制御調整することによっ
て被加工物に照射される光エネルギーを一定の大きさに
調整する。Here, a part of the light energy received at the light receiving end 6 passes through the inside of the optical fiber cable 5a, and the solar cell 1
irradiated to 0. The solar cell 10 receives this light energy and generates electricity. Based on the magnitude of the generated current, the control unit 11 calculates the amount of light energy to be irradiated onto the workpiece, and this value is set in advance. If it is small compared to the amount of light energy, the current I flowing through the lamp 1
The light irradiated onto the workpiece is controlled and adjusted by controlling the power source 12 so that the value of the current I flowing through the lamp 1 is decreased if the value of the current I is increased compared to a preset amount of light energy. Adjust the energy to a certain level.
また、第２図は第２の実施例の概略構成図である。第２
図において１０ａは太陽電池であり、反射鏡３から第２
焦点４までの間で光エネルギーの一部を受光する。ここ
で発電した電流を上記の実施例と同様に、太陽電池１０
ａで発生した電流の大きさによって制御部１１により電
源１２を制御して、加熱加工に用いる光エネルギー量を
一定値に制御する。Moreover, FIG. 2 is a schematic configuration diagram of the second embodiment. Second
In the figure, 10a is a solar cell, and the second
A portion of the light energy is received up to the focal point 4. The current generated here is applied to the solar cell 10 as in the above embodiment.
The power supply 12 is controlled by the control unit 11 according to the magnitude of the current generated at step a, and the amount of light energy used for heating processing is controlled to a constant value.
したがって上記の２つの実施例によれば、加熱加工に必
要な光エネルギーを直接管理し、制御することによって
、加熱加工に用いられる光エネルギーをあらかじめ設定
した大きさに保つことができる。これにより、被加工物
の加熱加工の品質が安定し、信頼性が向上するという効
果を有する。Therefore, according to the two embodiments described above, by directly managing and controlling the light energy necessary for heat processing, it is possible to maintain the light energy used for heat processing at a preset level. This has the effect of stabilizing the quality of heat processing of the workpiece and improving reliability.
なお、上記の２つの実施例では光電変換素子として太陽
電池を用いたが、フォトダイオード、硫化カドミウム（
ＣｄＳ）を用いてもよい。これらの場合、受光した光エ
ネルギーの量に応じて抵抗値が変化するので、抵抗値を
もとに光エネルギーの量を判断し、ランプに通電する電
流Ｉの値を制御する。In addition, in the above two examples, a solar cell was used as a photoelectric conversion element, but a photodiode, cadmium sulfide (
CdS) may also be used. In these cases, the resistance value changes depending on the amount of light energy received, so the amount of light energy is determined based on the resistance value, and the value of the current I applied to the lamp is controlled.
発明の効果
本発明は上記実施例からも明らかなように、光エネルギ
ー量を検出し、この量に応じてランプに通電する電流値
を制御するので、被加工物の加熱加工に用いられる光エ
ネルギー量を、ランプの経年変化、バラツキ等にかかわ
らず一定値に保つことができ、被加工物の加熱加工の品
質を安定させ、信頼性を向上させるという効果を有する
。Effects of the Invention As is clear from the above embodiments, the present invention detects the amount of light energy and controls the current value applied to the lamp according to this amount, so that the amount of light energy used for heating the workpiece is reduced. The amount can be maintained at a constant value regardless of aging of the lamp, variations, etc., which has the effect of stabilizing the quality of heat processing of the workpiece and improving reliability.
第１図は本発明の一実施例の概略構成図、第２図は第２
の実施例の概略構成図である。
１・・・・・・ランプ、２・・・・・・発光点、３・・
・・・・反射鏡、４・・・・・・第２焦点、５．５ａ・
・・・・・光ファイバーケーブル、６・・・・・・受光
端、７・・・・・・被加工物、８・・・・・・しンズ機
構、９・・・・・・焦点、１０．１’Ｏａ・・・・・・
太陽電池、１１・・・・・・制御部、１２・・・・・・
電源、Ｉ・・・・・・ランプ電流。FIG. 1 is a schematic configuration diagram of an embodiment of the present invention, and FIG.
FIG. 2 is a schematic configuration diagram of an embodiment of the present invention. 1...Lamp, 2...Light-emitting point, 3...
...Reflector, 4...Second focal point, 5.5a.
...Optical fiber cable, 6 ... Light receiving end, 7 ... Workpiece, 8 ... Lens mechanism, 9 ... Focus, 10 .1'Oa...
Solar cell, 11...Control unit, 12...
Power supply, I...Lamp current.
Claims (4)
ーを他の一点に集光させる反射鏡と、上記ランプに通電
する電流を供給する電源と、集光された光エネルギーの
一部を受光して出力を発生する光電変換素子を用いた検
出手段と、上記検出手段からの出力から光エネルギー量
を判断して上記電源を制御することで上記ランプに通電
する電流を制御する制御部とから成る光ビーム加熱機。(1) A lamp, a reflector that focuses the light energy emitted from the lamp onto another point, a power source that supplies current to the lamp, and a mirror that receives a portion of the focused light energy. a detection means using a photoelectric conversion element that generates an output, and a control section that controls the current flowing through the lamp by determining the amount of light energy from the output from the detection means and controlling the power supply. Light beam heating machine.
ーを他の一点に集光させる反射鏡と、上記ランプに通電
する電流を供給する電源と、集光された光エネルギーを
他の箇所に伝達する伝達手段と、上記伝達手段の一部を
分岐することで集光された光エネルギーの一部を分岐し
、この分岐された光エネルギーを受光して出力を発生す
る光電変換素子を用いた検出手段と、上記検出手段から
の出力から光エネルギー量を判断して上記電源を制御す
ることで上記ランプに通電する電流を制御する制御部と
から成る光ビーム加熱機。(2) A lamp, a reflector that focuses the light energy emitted from the lamp onto another point, a power source that supplies current to the lamp, and transmits the focused light energy to another point. detection using a photoelectric conversion element that branches a part of the focused light energy by branching a part of the transmission means and receives this branched light energy and generates an output. and a control section that controls the current supplied to the lamp by determining the amount of light energy from the output from the detection means and controlling the power source.
求項２記載の光ビーム加熱機。(3) The light beam heating machine according to claim 2, wherein an optical fiber cable is used as the transmission means.
請求項２または請求項３記載の光ビーム加熱機。(4) The light beam heating device according to claim 1, 2, or 3, wherein a solar cell is used as the detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2034291A JP2558907B2 (en) | 1990-02-14 | 1990-02-14 | Light beam heating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2034291A JP2558907B2 (en) | 1990-02-14 | 1990-02-14 | Light beam heating machine |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8099795A Division JP2828022B2 (en) | 1996-04-22 | 1996-04-22 | Light beam heating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03238185A true JPH03238185A (en) | 1991-10-23 |
| JP2558907B2 JP2558907B2 (en) | 1996-11-27 |
Family
ID=12410055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2034291A Expired - Lifetime JP2558907B2 (en) | 1990-02-14 | 1990-02-14 | Light beam heating machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2558907B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0554960A (en) * | 1991-08-29 | 1993-03-05 | Matsushita Electric Ind Co Ltd | Light beam heating device |
| JPH0752256A (en) * | 1993-08-10 | 1995-02-28 | Taiyo Kogyo Kk | Welding machine for film material made of thermoplastic resin |
| US7532749B2 (en) | 2003-11-18 | 2009-05-12 | Panasonic Corporation | Light processing apparatus |
| CN104682867A (en) * | 2014-12-30 | 2015-06-03 | 宁夏小牛自动化设备有限公司 | Crystalline silicon solar cell welding detection method and detection equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2828022B2 (en) | 1996-04-22 | 1998-11-25 | 松下電器産業株式会社 | Light beam heating machine |
-
1990
- 1990-02-14 JP JP2034291A patent/JP2558907B2/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0554960A (en) * | 1991-08-29 | 1993-03-05 | Matsushita Electric Ind Co Ltd | Light beam heating device |
| JPH0752256A (en) * | 1993-08-10 | 1995-02-28 | Taiyo Kogyo Kk | Welding machine for film material made of thermoplastic resin |
| US7532749B2 (en) | 2003-11-18 | 2009-05-12 | Panasonic Corporation | Light processing apparatus |
| CN104682867A (en) * | 2014-12-30 | 2015-06-03 | 宁夏小牛自动化设备有限公司 | Crystalline silicon solar cell welding detection method and detection equipment |
| CN104682867B (en) * | 2014-12-30 | 2023-07-28 | 宁夏小牛自动化设备股份有限公司 | Welding detection method and detection equipment for crystalline silicon solar cell |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2558907B2 (en) | 1996-11-27 |
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