JPH0330452U - - Google Patents
Info
- Publication number
- JPH0330452U JPH0330452U JP1989091043U JP9104389U JPH0330452U JP H0330452 U JPH0330452 U JP H0330452U JP 1989091043 U JP1989091043 U JP 1989091043U JP 9104389 U JP9104389 U JP 9104389U JP H0330452 U JPH0330452 U JP H0330452U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- laser
- output
- diagram showing
- control device
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 1
Landscapes
- Lasers (AREA)
Description
第１図〜第４図はこの考案の一実施例に係り、
第１図は本考案の一実施例を示す構成図、第２図
は第１図に示した切換回路の構成を示す構成図、
第３図は第１図に示した特性検出回路および異常
信号出力回路の構成を示す構成図、第４図はレー
ザ出力検出器の抵抗値が変化したとき、特性検出
回路の出力電圧と抵抗値との関係を示す関係図、
第５図は従来のレーザ出力制御装置を示す構成図
である。
図において、１……レーザ発振器、２……電源
、３Ａ，３Ｂ……電極、４……レーザ媒質ガス、
５……放電部、６……全反射鏡、７……部分透過
鏡、８……レーザ光、９……ビームスプリツタ、
１０……レーザ出力検出器、１１……レーザ出力
フイードバツク信号、１２……レーザ出力設定器
、１３……増幅器、１４……励起強度指令信号、
１５……ビームＯＮスイツチ、１６……インバー
タ、１７……反転増幅器、１８……アナログロジ
ツク回路、１９……切換回路、２０……特性検出
回路、２１……異常信号出力回路、２２Ａ，２２
Ｂ……アナログスイツチ、２３……ブリツジ回路
、２４……差動増幅回路、２５……ウインドコン
パレータ回路、２６……排他的論理和、２７……
リレー駆動回路、２８……リレー回路である。な
お、図中、同一符号は同一、又は相当部分を示す
。
Figures 1 to 4 relate to an embodiment of this invention,
FIG. 1 is a configuration diagram showing an embodiment of the present invention, FIG. 2 is a configuration diagram showing the configuration of the switching circuit shown in FIG. 1,
Figure 3 is a configuration diagram showing the configuration of the characteristic detection circuit and abnormal signal output circuit shown in Figure 1, and Figure 4 shows the output voltage and resistance value of the characteristic detection circuit when the resistance value of the laser output detector changes. A relationship diagram showing the relationship between
FIG. 5 is a configuration diagram showing a conventional laser output control device. In the figure, 1...laser oscillator, 2...power supply, 3A, 3B...electrode, 4...laser medium gas,
5... Discharge part, 6... Total reflection mirror, 7... Partially transmitting mirror, 8... Laser light, 9... Beam splitter,
10...Laser output detector, 11...Laser output feedback signal, 12...Laser output setting device, 13...Amplifier, 14...Excitation intensity command signal,
15... Beam ON switch, 16... Inverter, 17... Inverting amplifier, 18... Analog logic circuit, 19... Switching circuit, 20... Characteristic detection circuit, 21... Abnormal signal output circuit, 22A, 22
B...Analog switch, 23...Bridge circuit, 24...Differential amplifier circuit, 25...Window comparator circuit, 26...Exclusive OR, 27...
Relay drive circuit, 28...Relay circuit. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
て検知した値と出力設定器との偏差を求めてフイ
ードバツクすることにより制御するレーザ出力制
御装置において、前記出力強度検知器の特性を検
出することを含むことを特徴とするレーザ出力制
御装置。 In a laser output control device that controls the output intensity of a laser beam by determining a deviation between a value detected by an output intensity detector and an output setting device and performing feedback, detecting a characteristic of the output intensity detector. A laser output control device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989091043U JPH0330452U (en) | 1989-08-02 | 1989-08-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989091043U JPH0330452U (en) | 1989-08-02 | 1989-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0330452U true JPH0330452U (en) | 1991-03-26 |
Family
ID=31640545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989091043U Pending JPH0330452U (en) | 1989-08-02 | 1989-08-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0330452U (en) |
-
1989
- 1989-08-02 JP JP1989091043U patent/JPH0330452U/ja active Pending
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