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JP2011041360A - Pressure-resistant explosion-proof equipment - Google Patents

Pressure-resistant explosion-proof equipment Download PDF

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Publication number
JP2011041360A
JP2011041360A JP2009184190A JP2009184190A JP2011041360A JP 2011041360 A JP2011041360 A JP 2011041360A JP 2009184190 A JP2009184190 A JP 2009184190A JP 2009184190 A JP2009184190 A JP 2009184190A JP 2011041360 A JP2011041360 A JP 2011041360A
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Prior art keywords
explosion
proof
code
proof equipment
body case
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JP2009184190A
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JP5251781B2 (en
Inventor
Kentaro Hazama
健太郎 間
Masahiro Yamada
正博 山田
Masahiro Kashiwabara
正広 柏原
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Yokogawa Electric Corp
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Yokogawa Electric Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide pressure-resistant explosion-proof equipment whose structure can be simplified and which can realize HMI (human machine interface) of good operability. <P>SOLUTION: The pressure-resistant explosion-proof equipment, which prevents induced explosion without leaking flame to the outside even if a combustible gas is ignited by an internal electric spark, includes a QR code (R) reader which is provided in the body case thereof, a CCD part which is provided in the body case thereof so as to read a QR code (R) via the QR code (R) reader, and a QR code (R) identifier which receives a signal read by this CCD part. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、耐圧防爆機器に関するものである。
更に詳述すれば、耐圧防爆機器のキー操作部分に関するものである。
The present invention relates to a flameproof device.
More specifically, the present invention relates to the key operation part of the explosion-proof equipment.

従来の耐圧防爆機器は耐圧防爆構造を維持した状態で、機器を操作する必要があるために、下記のような方式を採用している。   Since the conventional explosion-proof equipment needs to operate the equipment while maintaining the explosion-proof construction, the following method is adopted.

図4は従来より一般に使用されている従来例の要部構成説明図で、キー操作にメカニカルスイッチを使う場合である。
図において、1はプリント基板、2はプリント基板1に取り付けられたプッシュスイッチ、3はプッシュスイッチ2に取り付けられたシャフト、4は耐圧防爆機器の容器の壁である。
FIG. 4 is an explanatory view of the configuration of the main part of a conventional example that is generally used in the past, and shows a case where a mechanical switch is used for key operation.
In the figure, 1 is a printed circuit board, 2 is a push switch attached to the printed circuit board 1, 3 is a shaft attached to the push switch 2, and 4 is a wall of a container of the explosion-proof equipment.

以上の構成において、耐圧防爆機器の容器の壁4に配置されたシャフト3を通して、耐圧防爆機器の内部のプッシュスイッチ2を押すことで耐圧防爆機器を操作する。   In the above configuration, the explosion-proof device is operated by pushing the push switch 2 inside the explosion-proof device through the shaft 3 arranged on the wall 4 of the container of the explosion-proof device.

図5は従来より一般に使用されている他の従来例の要部構成説明図で、キー操作に光スイッチを使う場合である。
図において、11はプリント基板、12はプリント基板11に取り付けられた光スイッチ、13は耐圧防爆機器の容器の壁14に設けられたガラスである。
以上の構成において、ガラス13を通して、指の光反射で光スイッチを動かすことで耐圧防爆機器を操作する。
FIG. 5 is an explanatory diagram showing the structure of the main part of another conventional example that is generally used in the prior art, and shows a case where an optical switch is used for key operation.
In the figure, 11 is a printed circuit board, 12 is an optical switch attached to the printed circuit board 11, and 13 is glass provided on the wall 14 of the container of the explosion-proof equipment.
In the above configuration, the explosion-proof equipment is operated by moving the optical switch through the glass 13 by the light reflection of the finger.

実開平01−060318号公報Japanese Utility Model Publication No. 01-060318 実開平03−020478号公報Japanese Utility Model Publication No. 03-020478 実開平04−102528号公報Japanese Utility Model Publication No. 04-102528 実開平07−029724号公報Japanese Utility Model Publication No. 07-029724 特開2001−229763号公報JP 2001-229663 A 特開2002−313178号公報JP 2002-313178 A

このような装置においては、以下の問題点がある。
シャフトを使用するプッシュスイッチ方式は、耐圧防爆構造を維持しなければならないので、機構が複雑になる。
光スイッチを使用すると、誤動作、操作感が悪い等の操作性が悪い。ハードが非防爆機器に対して大きく変わる。
Such an apparatus has the following problems.
The push switch system using a shaft requires a pressure-proof explosion-proof structure, which complicates the mechanism.
When an optical switch is used, operability such as malfunction and poor operation feeling is poor. The hardware changes greatly for non-explosion-proof equipment.

本発明の目的は、上記の課題を解決するもので、構造が簡潔にでき、操作性が良好なHMI(ヒューマン・マシン・インターフェイス)が出来る耐圧防爆機器を提供することにある。   SUMMARY OF THE INVENTION An object of the present invention is to solve the above-described problems, and to provide an explosion-proof device capable of providing an HMI (Human Machine Interface) having a simple structure and good operability.

このような課題を達成するために、本発明では、請求項1の耐圧防爆機器においては、
内部の電気火花により可燃性ガスに引火しても外部へ火炎を漏らさずに誘爆を防ぐ耐圧防爆機器において、前記耐圧防爆機器本体ケースに設けられたQRコード読み取り部と、前記耐圧防爆機器本体ケース内に設けられ前記QRコード読み取り部を介してQRコードを読み取るCCD部と、このCCD部で読み取った信号を受け取るQRコード識別部とを具備したことを特徴とする。
In order to achieve such a problem, in the present invention, in the explosion-proof equipment of claim 1,
In the explosion-proof device that prevents explosion without leaking the flame to the outside even if flammable gas is ignited by an internal electric spark, the QR code reading unit provided in the flame-proof device body case and the flame-proof device body case A CCD unit that is provided inside and reads a QR code through the QR code reading unit and a QR code identification unit that receives a signal read by the CCD unit are provided.

本発明の請求項2の耐圧防爆機器においては、請求項1記載の耐圧防爆機器において、
QRコード読み取り部は光学レンズが使用されたことを特徴とする。
In the explosion-proof device according to claim 2 of the present invention, the explosion-proof device according to claim 1,
The QR code reading unit uses an optical lens.

本発明の請求項1によれば、次のような効果がある。
耐圧防爆機器において、構造が簡潔にでき、操作性が良好なHMI(ヒューマン・マシン・インターフェイス)が出来る耐圧防爆機器が得られる。
本体機器に、QRコード読み取り機構を追加すればよく、内部回路は非防爆機器とほとんど共通化できるので、安価な耐圧防爆機器が得られる。
According to claim 1 of the present invention, there are the following effects.
In the explosion-proof device, the explosion-proof device can be obtained in which the structure can be simplified and the HMI (human machine interface) with good operability can be obtained.
A QR code reading mechanism may be added to the main device, and the internal circuit can be almost shared with non-explosion-proof devices, so an inexpensive explosion-proof device can be obtained.

手が汚れている、あるいは手袋をしている等のように機器に直接触れて操作できない場合に、機器の操作を確実に操作できる耐圧防爆機器が得られる。
QRコードを使用しなければならないので、セキュリティ効果が確保できる耐圧防爆機器が得られる。
In the case where the device cannot be operated by directly touching the device, such as when the hands are dirty or wearing gloves, a flameproof device capable of reliably operating the device is obtained.
Since a QR code must be used, a flameproof device that can ensure a security effect is obtained.

本発明の請求項2によれば、次のような効果がある。
QRコード読み取り部は光学レンズが使用されたので、占有面積を小さく出来、耐圧防爆に好適な耐圧防爆機器が得られる。
According to claim 2 of the present invention, there are the following effects.
Since an optical lens is used for the QR code reading unit, the occupation area can be reduced, and a flameproof device suitable for flameproofing can be obtained.

本発明の一実施例の要部構成説明図である。It is principal part structure explanatory drawing of one Example of this invention. 図1の要部詳細構成説明図である。It is principal part detailed structure explanatory drawing of FIG. 図1の動作説明図である。It is operation | movement explanatory drawing of FIG. 従来より一般に使用されている従来例の要部構成説明図である。It is principal part structure explanatory drawing of the prior art example generally used conventionally. 従来より一般に使用されている他の従来例の要部構成説明図である。It is principal part structure explanatory drawing of the other conventional example generally used conventionally.

以下本発明を図面を用いて詳細に説明する。
図1は本発明の一実施例の要部構成説明図で、防爆型ジルコニア酸素計に使用された例を示す。図2は図1の要部詳細説明図、図3は図1の動作説明図である。
図において、図4と同一記号の構成は同一機能を表す。
以下、図4との相違部分のみ説明する。
Hereinafter, the present invention will be described in detail with reference to the drawings.
FIG. 1 is an explanatory diagram of the main part of an embodiment of the present invention, showing an example used for an explosion-proof zirconia oxygen meter. 2 is a detailed explanatory diagram of the main part of FIG. 1, and FIG. 3 is an explanatory diagram of the operation of FIG.
In the figure, the same symbol structure as in FIG. 4 represents the same function.
Only differences from FIG. 4 will be described below.

図1,図2において、QRコード読み取り部22は、耐圧防爆機器本体ケース21に設けられている。
この場合は、QRコード読み取り部22は光学レンズが使用されている。
CCD部23は、耐圧防爆機器本体ケース21内に設けられ、QRコード読み取り部22を介してQRコードを読み取る。
1 and 2, the QR code reading unit 22 is provided in a flameproof device main body case 21.
In this case, the QR code reading unit 22 uses an optical lens.
The CCD unit 23 is provided in the explosion-proof explosion-proof device main body case 21, and reads the QR code via the QR code reading unit 22.

QRコード識別部24は、CCD部23で読み取った信号を受け取る。
なお、QRコード識別部24からの信号は、耐圧防爆機器内の制御回路(図示せず)に送られ、耐圧防爆機器が動作されることになる。
The QR code identification unit 24 receives a signal read by the CCD unit 23.
The signal from the QR code identifying unit 24 is sent to a control circuit (not shown) in the explosion-proof device, and the explosion-proof device is operated.

以上の構成において、たとえば、図3に示す如く、耐圧防爆機器に添付付属させたQRコード生成ソフト31によって、設定項目や実行項目をQRコード化し、プリントアウトする。
QRコードには、例えば、耐圧防爆機器の一連の操作のコマンドが入れられる。
プリントアウトしたQRコードを、QRコード読み取り部22で読み込ませ、耐圧防爆機器の操作を実行させる。
In the above configuration, for example, as shown in FIG. 3, the setting items and execution items are converted into QR codes and printed out by the QR code generation software 31 attached to the explosion-proof equipment.
In the QR code, for example, commands for a series of operations of the explosion-proof equipment are entered.
The printed QR code is read by the QR code reading unit 22 and the operation of the explosion-proof equipment is executed.

この結果、耐圧防爆機器において、構造が簡潔にでき、操作性が良好なHMI(ヒューマン・マシン・インターフェイス)が出来る耐圧防爆機器が得られる。
本体機器に、QRコード読み取り機構を追加すればよく、内部回路は非防爆機器とほとんど共通化できるので、安価な耐圧防爆機器が得られる。
As a result, in the explosion-proof device, the explosion-proof device that can have a simple structure and can perform HMI (Human Machine Interface) with good operability can be obtained.
A QR code reading mechanism may be added to the main device, and the internal circuit can be almost shared with non-explosion-proof devices, so an inexpensive explosion-proof device can be obtained.

手が汚れている、あるいは手袋をしている等のように機器に直接触れて操作できない場合に、機器の操作を確実に操作できる耐圧防爆機器が得られる。
QRコードを使用しなければならないので、セキュリティ効果が確保できる耐圧防爆機器が得られる。
QRコード読み取り部22は光学レンズが使用されたので、占有面積を小さく出来、耐圧防爆に好適な耐圧防爆機器が得られる。
In the case where the device cannot be operated by directly touching the device, such as when the hands are dirty or wearing gloves, a flameproof device capable of reliably operating the device is obtained.
Since a QR code must be used, a flameproof device that can ensure a security effect is obtained.
Since an optical lens is used for the QR code reading unit 22, the occupation area can be reduced, and a flameproof device suitable for flameproofing can be obtained.

なお、以上の説明は、本発明の説明および例示を目的として特定の好適な実施例を示したに過ぎない。
したがって本発明は、上記実施例に限定されることなく、その本質から逸脱しない範囲で更に多くの変更、変形をも含むものである。
The above description merely shows a specific preferred embodiment for the purpose of explanation and illustration of the present invention.
Therefore, the present invention is not limited to the above-described embodiments, and includes many changes and modifications without departing from the essence thereof.

1 プリント基板
2 プッシュスイッチ
3 シャフト
4 容器の壁
11 プリント基板
12 光スイッチ
13 ガラス
14 容器の壁
21 耐圧防爆機器本体ケース
22 QRコード読み取り部
23 CCD部
24 QRコード識別部
31 QRコード生成ソフト
DESCRIPTION OF SYMBOLS 1 Printed circuit board 2 Push switch 3 Shaft 4 Container wall 11 Printed circuit board 12 Optical switch 13 Glass 14 Container wall 21 Explosion-proof equipment main body case 22 QR code reading part 23 CCD part 24 QR code identification part 31 QR code generation software

Claims (2)

内部の電気火花により可燃性ガスに引火しても外部へ火炎を漏らさずに誘爆を防ぐ耐圧防爆機器において、
前記耐圧防爆機器本体ケースに設けられたQRコード読み取り部と、
前記耐圧防爆機器本体ケース内に設けられ前記QRコード読み取り部を介してQRコードを読み取るCCD部と、
このCCD部で読み取った信号を受け取るQRコード識別部と
を具備したことを特徴とする耐圧防爆機器。
In the explosion-proof equipment that prevents explosion without leaking the flame to the outside even if flammable gas is ignited by the internal electric spark,
A QR code reader provided in the flameproof device main body case;
A CCD unit provided in the explosion-proof explosion-proof device main body case and reading a QR code via the QR code reading unit;
An explosion-proof device, comprising: a QR code identification unit that receives a signal read by the CCD unit.
QRコード読み取り部は光学レンズが使用されたこと
を特徴とする請求項1記載の耐圧防爆機器。
The explosion-proof explosion-proof device according to claim 1, wherein an optical lens is used for the QR code reading unit.
JP2009184190A 2009-08-07 2009-08-07 Explosion-proof equipment Expired - Fee Related JP5251781B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009184190A JP5251781B2 (en) 2009-08-07 2009-08-07 Explosion-proof equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009184190A JP5251781B2 (en) 2009-08-07 2009-08-07 Explosion-proof equipment

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JP5251781B2 JP5251781B2 (en) 2013-07-31

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120198931A1 (en) * 2011-02-09 2012-08-09 Krohne Messtechnik Gmbh Explosion-proof device
EP2492992A1 (en) 2011-02-28 2012-08-29 Nitto Denko Corporation Pressure-sensitive adhesive tape for battery and battery using the pressure-sensitive adhesive tape

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6370776U (en) * 1986-10-28 1988-05-12
JPH0729724U (en) * 1993-06-30 1995-06-02 和泉電気株式会社 Explosion-proof switch
JP2003097114A (en) * 2001-09-26 2003-04-03 Denso Corp Electric lock device
JP2004287977A (en) * 2003-03-24 2004-10-14 Seiko Epson Corp Work instruction label, work instruction label printing system, and manufacturing method using work instruction label

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6370776U (en) * 1986-10-28 1988-05-12
JPH0729724U (en) * 1993-06-30 1995-06-02 和泉電気株式会社 Explosion-proof switch
JP2003097114A (en) * 2001-09-26 2003-04-03 Denso Corp Electric lock device
JP2004287977A (en) * 2003-03-24 2004-10-14 Seiko Epson Corp Work instruction label, work instruction label printing system, and manufacturing method using work instruction label

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120198931A1 (en) * 2011-02-09 2012-08-09 Krohne Messtechnik Gmbh Explosion-proof device
US8528401B2 (en) * 2011-02-09 2013-09-10 Krohne Messtechnik Gmbh Explosion-proof device
EP2492992A1 (en) 2011-02-28 2012-08-29 Nitto Denko Corporation Pressure-sensitive adhesive tape for battery and battery using the pressure-sensitive adhesive tape

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