JPS58176837A - Photoelectric device - Google Patents

Photoelectric device

Info

Publication number
JPS58176837A
JPS58176837A JP57058544A JP5854482A JPS58176837A JP S58176837 A JPS58176837 A JP S58176837A JP 57058544 A JP57058544 A JP 57058544A JP 5854482 A JP5854482 A JP 5854482A JP S58176837 A JPS58176837 A JP S58176837A
Authority
JP
Japan
Prior art keywords
light
compressor
amplifier
wiring
pressure air
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
Application number
JP57058544A
Other languages
Japanese (ja)
Inventor
池田 芳博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP57058544A priority Critical patent/JPS58176837A/en
Publication of JPS58176837A publication Critical patent/JPS58176837A/en
Pending legal-status Critical Current

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  • Optical Transform (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Optical Communication System (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】 〔発明の技術分野〕 この発明は光電子装置に係り、特に光電子スイッチの投
光部及び受光部に付着したほこり(塵埃)を除去する機
構全備えた光電子装置に関する。
DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an optoelectronic device, and more particularly to a optoelectronic device equipped with a complete mechanism for removing dust attached to a light emitting section and a light receiving section of a photoelectronic switch.

〔発明の技術的背景〕[Technical background of the invention]

一般に光電子スイッチにあっては、その投光器の投光面
及び受光器の受光面に付着する塵埃が誤動作の原因とな
っている。
In general, in optoelectronic switches, dust adhering to the light emitting surface of the light emitter and the light receiving surface of the light receiver causes malfunctions.

第1図は空気圧縮機を用いて塵埃を除去し、誤動作を防
止する従来の大型光電子スイッチの構成を示すものであ
る。同図において、1は投光器、2は投光器IK対向配
置された受光器であり、これら投光器1及び受光器2は
それぞれ配?ms + 4’+介して増幅器5に接続さ
れている。
FIG. 1 shows the configuration of a conventional large optoelectronic switch that uses an air compressor to remove dust and prevent malfunctions. In the figure, 1 is a light projector, and 2 is a light receiver placed opposite the light projector IK. ms+4'+ to amplifier 5.

増幅器5は電源コード6を介して電源に接続されるよう
になっている。8は圧縮機であり、この圧縮機8からは
配管9が取り出され、この先端が上記投光器1の投光面
1a及び受光器2の受光面2aそれぞれの上部に配置さ
れている。
The amplifier 5 is connected to a power source via a power cord 6. 8 is a compressor, and a pipe 9 is taken out from the compressor 8, the tip of which is disposed above the light projecting surface 1a of the projector 1 and the light receiving surface 2a of the light receiver 2, respectively.

10は圧縮機用電源コードである。10 is a power cord for the compressor.

すなわちこの光電子スイ、門においては、圧縮機8から
配管9を介し供給された圧縮空気(図に破線で示す)K
より投光面1a及び受光面1bK付着した塵埃金除去す
るものである。
That is, in this photoelectronic switch, compressed air (shown by a broken line in the figure) K supplied from a compressor 8 through a pipe 9 is used.
This is to remove dust and gold deposited on the light emitting surface 1a and the light receiving surface 1bK.

〔背景技術の問題点〕[Problems with background technology]

第1図からも明らかなように、圧縮空気は、光電子スイ
ッチとは別に配置された圧縮機8のように他の光電子ス
イッチの圧縮機と共に集中コントロールされた高圧空気
源から配管9f介して供給されていた。
As is clear from FIG. 1, compressed air is supplied via piping 9f from a high-pressure air source that is centrally controlled together with the compressor of other optoelectronic switches, such as compressor 8, which is arranged separately from the optoelectronic switch. was.

しかしながら、このような構成では、光電検出部(投光
器1及び受光器2)と光電信号処理−部(増幅器5)と
の間の配@3,4の配線作業に加え、配管9の設置作業
を行う必要があり、配線、配管が袂雑になると共に作業
が煩わしくなるという欠点があった。また、光電子スイ
However, in such a configuration, in addition to the wiring work of the wiring lines 3 and 4 between the photoelectric detection section (emitter 1 and receiver 2) and the photoelectric signal processing section (amplifier 5), installation work of the piping 9 is required. This has the disadvantage that the wiring and piping become complicated and the work becomes troublesome. Also, optoelectronic sui.

チと圧縮機8郷の高圧空気機構との互いに離れた三者の
動作を別々に制御する必要があり、操作、保持が行いに
くいという欠点があった。
It is necessary to separately control the operations of the high-pressure air mechanism of the air compressor and the compressor 8, which are separate from each other, and this has the drawback of being difficult to operate and maintain.

〔発明の目的〕[Purpose of the invention]

この発明は上記実情に鑑みてなされたもので、その目的
は、塵埃による誤動作全防止するだめの高圧空気機構を
備え、かつその設電作業及び操作が容易で信頼性の向上
した光電子装置を提供することにある。
This invention was made in view of the above circumstances, and its purpose is to provide a photoelectronic device that is equipped with a high-pressure air mechanism that completely prevents malfunctions due to dust, and that is easy to install and operate, and has improved reliability. It's about doing.

〔発明の概要〕[Summary of the invention]

この発明は、増幅器と圧縮機とを同一筐体に内蔵し、こ
れらに共通の1源を供給すると共に高圧空気用の配管と
電気信号用配線とを一体化し念構造とするものである。
This invention houses an amplifier and a compressor in the same housing, supplies them with one common source, and integrates high-pressure air piping and electrical signal wiring into a single structure.

〔発明の実施例〕[Embodiments of the invention]

以下、図面を参照してこの発明の一冥施例を祝明する。 Hereinafter, one embodiment of the present invention will be congratulated with reference to the drawings.

第2図において、11は投光器(図示せず)からの光(
矢印で示す)を受光する受光器で、この受光器11の外
周部は円筒状の空気案内部材12により覆われている。
In FIG. 2, 11 is light (not shown) from a projector (not shown).
The outer periphery of this light receiver 11 is covered with a cylindrical air guide member 12.

一方、13は受光器1′1から出力された電気信号用配
線する増幅器で、この増幅部13は圧m機14と共に同
一筐体に内蔵されており、両者には電源コード15倉介
して同一電源が供給されるようになっている。圧縮機1
4には高圧空気用配管I6の一端が接続され、この配管
16の他端部は上記受光器11の受光面11aの反対側
における空気案内部材12との間の上下の空間部17.
18に配置されている。また、増a!器13には電気配
線19の一端が接続され、この配線19の他端は受光器
11に接続されている。
On the other hand, 13 is an amplifier for wiring the electric signal output from the photoreceiver 1'1, and this amplifying section 13 is built in the same housing together with the compressor 14, and both are connected through the same power cord 15. Power is being supplied. Compressor 1
4 is connected to one end of a high-pressure air pipe I6, and the other end of this pipe 16 is connected to the vertical space 17.4 between the air guiding member 12 on the opposite side of the light receiving surface 11a of the light receiver 11.
It is located at 18. Also, increase a! One end of an electric wiring 19 is connected to the device 13, and the other end of this wiring 19 is connected to the light receiver 11.

しかして、この高圧空気用配管16と電気配線19とは
第3図に示すように同一のチューブ20内に一体化され
ている。これは単に両者2束にするだけであってもよい
。なお、図示しない投光器側においても受光器側と同様
の構造となっている。勿論、受光器用の増幅器と投光器
用の電源と?同一と体内に形成し、これに圧縮機14を
内蔵する構成としてもよい。
The high-pressure air pipe 16 and the electrical wiring 19 are integrated within the same tube 20, as shown in FIG. This may be done simply by making two bundles of both. Note that the projector side (not shown) has the same structure as the receiver side. Of course, an amplifier for the receiver and a power source for the emitter? It may be formed in the same body as the same, and the compressor 14 may be built therein.

このような構造の光電子スイッチにあっては、圧縮機1
4の駆動用電源は増幅器13のt源と同一であるので圧
縮機14自体のオン・オフ制御は何ら必要としない。ま
た、従来の光電子スイッチの設電作業を行うだけで、高
圧空気機構の設電作業が全て完了することになる。
In a photoelectronic switch with such a structure, the compressor 1
Since the power source for driving the compressor 4 is the same as the t source of the amplifier 13, no on/off control of the compressor 14 itself is required. In addition, the entire electrical installation work for the high-pressure air mechanism can be completed by simply performing the electrical installation work for the conventional optoelectronic switch.

第4図は他の実施例を示すもので、この発明を自動制御
様器に多数使用されている小型光電子センサに適用した
場合である。同図において、支持基板2ノ上には投光器
22及び受光器23とが対向配置されている。支持基板
2ノの投光器22と受光器23との間に位置する箇所に
は孔24が形成されている。25は止めねじ用の孔であ
る。上記孔24には高圧空気用配管26の吹き出し部2
7が装着され、また投光器22及び受光器23にはそれ
ぞれ電気配線28゜29の一端が接続されている。なお
、空気用配′i#26と電気配IfIJ28,29とF
i第2図の実施例と同様に一体化されており、圧縮機及
び増幅器の構成は第2図の場合と同様である。
FIG. 4 shows another embodiment, in which the present invention is applied to a small photoelectronic sensor that is used in many automatic control devices. In the same figure, a light projector 22 and a light receiver 23 are arranged on a support substrate 2 to face each other. A hole 24 is formed in the support substrate 2 at a location between the light emitter 22 and the light receiver 23. 25 is a hole for a set screw. The hole 24 has a blowout portion 2 of a high pressure air pipe 26.
7 is attached, and one ends of electrical wiring 28 and 29 are connected to the emitter 22 and the light receiver 23, respectively. In addition, the air wiring I#26 and the electrical wiring IfIJ28, 29 and F
i It is integrated as in the embodiment of FIG. 2, and the configuration of the compressor and amplifier is the same as in the case of FIG.

すなわち、この小型センサにあっては、投光器27と受
光器23との間の距離が句がいので、両者の間の吹出し
部27から高圧空気を吹き出し、投光面22息及び受光
面23aに付着した塵埃を除去するものであり、i2図
と同様の効果が得られる。
That is, in this small sensor, since the distance between the light emitter 27 and the light receiver 23 is long, high-pressure air is blown out from the blow-off portion 27 between the two, and the air adheres to the light emitting surface 22 and the light receiving surface 23a. The same effect as in Figure i2 can be obtained.

第5図はさらに他の実施例を示すもので、この発明を大
型センサに適用した場合である。同図において、投光器
31及び受光器32にはそれぞれその上部に高圧空気用
配管33.34が゛配設されており、これら配管33.
34の先端部は投光面31&及び受光面32&の上部に
おいて下方に向けて折曲形成されている。すなわち、こ
の大型センサにあっては、投光面31a及び受光面32
mそれぞれの上部から高圧空気を吹き出し、塵埃を除去
するものである。なお、35.36は電気配線であり、
これらが高圧空気用配管33.34と一体化されている
点、及び圧縮機、増幅器の両者が一体化されている点に
ついては第2図の実施例と同様である。
FIG. 5 shows still another embodiment, in which the present invention is applied to a large-sized sensor. In the figure, high-pressure air pipes 33 and 34 are disposed above the emitter 31 and the light receiver 32, respectively, and these pipes 33.
The tip portion of 34 is bent downward at the upper part of the light projecting surface 31 & and the light receiving surface 32 &. That is, in this large sensor, the light emitting surface 31a and the light receiving surface 32
High-pressure air is blown out from the top of each unit to remove dust. In addition, 35.36 is electrical wiring,
It is the same as the embodiment shown in FIG. 2 in that these are integrated with the high-pressure air pipes 33 and 34, and that both the compressor and amplifier are integrated.

なお、上記実施例においてはいずれも透過形の光電スイ
ッチについて説明したが、それに限らず反射形の光電ス
イッチについて高圧空気機構全一体化することも容易で
ある。
In the above embodiments, a transmission type photoelectric switch has been described, but the present invention is not limited to this, and it is also easy to completely integrate the high pressure air mechanism for a reflection type photoelectric switch.

ま之、投光器側、受光器側の圧縮機の一方を省略し、互
いに配管で接続した構造とすることも、さらに複数台の
光電子スイッチの圧縮機を同様に配管で接続することに
よって1台で兼用する構造にすることも容易である。
However, it is also possible to omit one of the compressors on the emitter side and the receiver side and connect them to each other with piping, or to connect the compressors of multiple optoelectronic switches in the same way with piping. It is also easy to create a structure that can be used for both purposes.

〔発明の効果〕〔Effect of the invention〕

以上のようにこの発明によれば、光検出部−光電信号処
理部間や、投光器−電源間の電気配線と、高圧空気用の
配管を別々に設置する必要がなくなり、作業が簡単にな
り、配線、配管が非常にすっきりしてス4−ス効率が向
上する。
As described above, according to the present invention, there is no need to separately install electrical wiring between the photodetector and the photoelectric signal processing section, between the projector and the power source, and high-pressure air piping, which simplifies the work. Wiring and piping are very neat and space efficiency is improved.

また、独立の圧縮機や集中コントロールの高圧空気源の
設置、操作、保持?何ら考慮しなくてもよいので、省力
化に役立ち、操作上の信頼性も向上する。
Also, installing, operating, and maintaining an independent compressor or centrally controlled high-pressure air source? Since there is no need to take any consideration, it helps to save labor and improves operational reliability.

さらに従来、高圧空気機構は大型の光電子スイッチなど
にしか鹸蟹できなかったが、製造設備等で多数使用され
ている小型、中型の光電スイッチにも容易に設置ができ
、光電子スイッチの信頼性を大幅に向上させることがで
きる。
Furthermore, previously, high-pressure air mechanisms could only be used in large optoelectronic switches, but they can be easily installed in small and medium-sized photoelectric switches that are used in many manufacturing facilities, improving the reliability of optoelectronic switches. can be significantly improved.

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

第1図は従来の高圧空気機構を備えた光電子スイッチを
示す構成図、第2図はこの発明の一実施例に係る光電子
スイッチを示す構成図、第3図は上記光電子スイッチに
おける配管及び配線の構成を示す断面図、第4図及び第
5図はそれぞれこの発明の他の実施例に係る構成図であ
る0 11・−・投光器、13・・・増幅器、14・・・圧縮
機、16・・・高圧空気用配管、19・・・電気配線。 出願人代理人  弁理士 鈴 江 武 彦第1図 第4図 ′tb 第5図
Fig. 1 is a block diagram showing a conventional optoelectronic switch equipped with a high-pressure air mechanism, Fig. 2 is a block diagram showing a optoelectronic switch according to an embodiment of the present invention, and Fig. 3 is a diagram showing piping and wiring in the optoelectronic switch. 4 and 5 are block diagrams showing the configuration of other embodiments of the present invention, respectively. ...High pressure air piping, 19...Electrical wiring. Applicant's agent Patent attorney Takehiko Suzue Figure 1 Figure 4'tb Figure 5

Claims (2)

【特許請求の範囲】[Claims] (1)光信号を出力する投光器と、この投光器から出力
された光信号を受光し、電気信号に変換して出力する受
光器と、この受光器からの出力信号全増幅する増幅器と
、この増幅器、前記投光器の電源部の両方若しくはどち
らか一方と共に同一筐体に内蔵され、かつ同一電源が供
給され、前記投光器の投光面及び前記受光器の受光面に
対し配管を介して高圧空気を供給する圧縮機とを具備し
たことを特徴とする光電子装置。
(1) A light emitter that outputs an optical signal, a light receiver that receives the optical signal output from the light emitter, converts it into an electrical signal, and outputs it, an amplifier that amplifies the entire output signal from this light receiver, and this amplifier. , built in the same housing together with both or one of the power supply parts of the light emitter, and supplied with the same power supply, and supplies high-pressure air to the light emitting surface of the light emitter and the light receiving surface of the light receiver via piping. An optoelectronic device characterized by comprising a compressor.
(2)  前記圧縮機と前記投光器、前記受光器との間
の空気用の配管と、前記増幅器と前記受光器との間の配
線、若しくは前記投光器と前記電源部との間の配線を一
体化した特許請求の範囲第1項記載の光電子装置・
(2) Integrating air piping between the compressor, the light emitter, and the light receiver, and the wiring between the amplifier and the light receiver, or the wiring between the light emitter and the power supply unit. The optoelectronic device according to claim 1
JP57058544A 1982-04-08 1982-04-08 Photoelectric device Pending JPS58176837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57058544A JPS58176837A (en) 1982-04-08 1982-04-08 Photoelectric device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57058544A JPS58176837A (en) 1982-04-08 1982-04-08 Photoelectric device

Publications (1)

Publication Number Publication Date
JPS58176837A true JPS58176837A (en) 1983-10-17

Family

ID=13087386

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57058544A Pending JPS58176837A (en) 1982-04-08 1982-04-08 Photoelectric device

Country Status (1)

Country Link
JP (1) JPS58176837A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013190917A (en) * 2012-03-13 2013-09-26 Nec Computertechno Ltd Electronic device unit and dust-proof method for the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013190917A (en) * 2012-03-13 2013-09-26 Nec Computertechno Ltd Electronic device unit and dust-proof method for the same

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