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JP2005275998A - Explosion-proof apparatus - Google Patents

Explosion-proof apparatus Download PDF

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Publication number
JP2005275998A
JP2005275998A JP2004090842A JP2004090842A JP2005275998A JP 2005275998 A JP2005275998 A JP 2005275998A JP 2004090842 A JP2004090842 A JP 2004090842A JP 2004090842 A JP2004090842 A JP 2004090842A JP 2005275998 A JP2005275998 A JP 2005275998A
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image
explosion
container
case
proof
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JP2004090842A
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Japanese (ja)
Inventor
Harunobu Ajiki
治信 安食
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Idec Corp
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Idec Izumi Corp
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Priority to JP2004090842A priority Critical patent/JP2005275998A/en
Publication of JP2005275998A publication Critical patent/JP2005275998A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an explosion-proof apparatus of simple constitution capable of solving a problem found in the conventional technology on the complication of the constitution due to the installation of a safety device for a keyboard to connect the external keyboard. <P>SOLUTION: This explosion-proof apparatus used under the atmosphere of explosive gas, comprises a case 1 having an explosion-proof structure, an image output part 4a mounted in the case 1 for displaying an image 10 corresponding to an input device to the external through the case 1, and a detecting part 4b mounted in the case 1 for detecting the operation by an operator at a position displayed on the image through the case 1. As the image corresponding to the input device is displayed to the external through the case, and the operation by the operator at the position displaying the image is detected through the case, the conventional safety device becomes unnecessary, and the constitution can be simplified. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は爆発性ガスの雰囲気の危険個所で使用される防爆機器に関する。   The present invention relates to an explosion-proof device used in a dangerous place in an atmosphere of explosive gas.

従来の防爆機器としては特許文献1がある。
特開2002−319770号公報
There exists patent document 1 as a conventional explosion-proof apparatus.
JP 2002-319770 A

この特許文献1には電子機器本体が収納された防爆構造の容器にコネクタが設けられており、このコネクタに外部のキーボードが接続された技術が開示されている。防爆構造の容器内には、キーボードを本質安全防爆化するための安全保持器(バリア回路)が設けられている。   Patent Document 1 discloses a technique in which a connector is provided in an explosion-proof container in which an electronic device main body is housed, and an external keyboard is connected to the connector. A safety holder (barrier circuit) is provided in the explosion-proof container for intrinsically safe explosion-proofing of the keyboard.

以上のように、従来の技術では外部のキーボードを接続するために、キーボードのために安全保持器を設ける必要があるため、構成が複雑になるという問題点があった。   As described above, in the conventional technique, in order to connect an external keyboard, it is necessary to provide a safety holder for the keyboard.

本発明は上記の問題点を解決するためになされたものであり、構成が簡単な防爆機器を得ることを目的とする。   The present invention has been made to solve the above problems, and an object thereof is to obtain an explosion-proof device having a simple configuration.

請求項1に記載の課題を解決するための手段は、爆発性ガスの雰囲気で使用される防爆機器であって、防爆構造の容器と、前記容器内に設けられ、前記容器を通して外部へ入力装置に相当する画像を映し出す画像出力部と、前記容器内に設けられ、前記画像が映し出された位置における操作者の操作を前記容器を通して検出する検出部とを備える。   The means for solving the problem according to claim 1 is an explosion-proof device used in an atmosphere of explosive gas, and is provided with an explosion-proof container and an input device provided outside the container. An image output unit that displays an image corresponding to the above, and a detection unit that is provided in the container and detects an operation of the operator at the position where the image is displayed through the container.

請求項1に記載の発明によれば、容器を通して外部へ入力装置に相当する画像を映し出し、画像が映し出された位置における操作者の操作を前記容器を通して検出するため、従来のように安全保持器が必要なく、構成が簡単になる。   According to the first aspect of the present invention, an image corresponding to the input device is projected to the outside through the container, and the operation of the operator at the position where the image is projected is detected through the container. Is not necessary, and the configuration becomes simple.

次に本発明の実施の形態について説明する。図1は本実施の形態の防爆機器を示す正面図、図2はこの側面から見た内部構造を示す概念図である。これらの図に示すように、実施の形態の防爆機器は爆発性ガスの雰囲気で使用される防爆機器であって、光が反射しにくい平坦な台20の上に載置されており、防爆構造の容器1の中に、パソコン本体2、ディスプレイ3及び入力部4が設けられている。   Next, an embodiment of the present invention will be described. FIG. 1 is a front view showing an explosion-proof device of the present embodiment, and FIG. 2 is a conceptual diagram showing an internal structure viewed from this side. As shown in these drawings, the explosion-proof device according to the embodiment is an explosion-proof device used in an atmosphere of explosive gas, and is placed on a flat table 20 that hardly reflects light, and has an explosion-proof structure. A personal computer main body 2, a display 3, and an input unit 4 are provided in the container 1.

容器1は防爆構造であればよく、例えば耐圧防爆構造でもよいし、内圧防爆構造であってもよい。容器1の正面上側には開口が設けられており、この開口に例えばガラスなどの透明板5がはめ込まれている。透明板5に対面する位置にディスプレイ3が配置され、これによって操作者は透明板5を通してディスプレイ3の表示内容を見ることができる。ディスプレイ3はパソコン本体2に電気的に接続されている。   The container 1 may be an explosion-proof structure, for example, a pressure-proof explosion-proof structure or an internal pressure explosion-proof structure. An opening is provided on the upper front side of the container 1, and a transparent plate 5 such as glass is fitted into the opening. The display 3 is arranged at a position facing the transparent plate 5, so that the operator can see the display content of the display 3 through the transparent plate 5. The display 3 is electrically connected to the personal computer main body 2.

また、容器1の正面下側には開口が設けられており、この開口に例えばガラスなどの透明板7がはめ込まれている。透明板7に対向する位置であってディスプレイ3の下側には入力部4が設けられ、入力部4はパソコン本体2に入力装置として電気的に接続されている。   In addition, an opening is provided on the lower front side of the container 1, and a transparent plate 7 such as glass is fitted into the opening. An input unit 4 is provided at a position facing the transparent plate 7 and below the display 3, and the input unit 4 is electrically connected to the personal computer main body 2 as an input device.

入力部4は画像出力部4a及び検出部4bを含み、画像出力部4aは透明板7を通して外部の平坦な台20上に入力装置(例えばキーボード)に相当する画像(パターン)10を映し出すこと(ホログラム投影)ができる。また、検出部4bは画像10が映し出された位置における操作者の操作(例えば指の動きなど)を透明板7を通して検出することができる。なお、このような入力部4は例えば、特表2003−535405号公報に開示された技術を用いれば実現可能である。   The input unit 4 includes an image output unit 4a and a detection unit 4b. The image output unit 4a projects an image (pattern) 10 corresponding to an input device (for example, a keyboard) on an external flat table 20 through the transparent plate 7 ( Hologram projection). In addition, the detection unit 4 b can detect an operation (for example, finger movement) of the operator at the position where the image 10 is projected through the transparent plate 7. Such an input unit 4 can be realized by using, for example, the technique disclosed in JP-T-2003-535405.

例えば同公報に開示されているように、画像出力部4aはレーザーなどの光ビームを発する光源を有し、これによって画像10を平坦な台20上に描き出す。検出部4bは別の光ビームを発する光源を有し、この光ビームは画像10の全域にわたって照射し、この反射を検出部4bは受ける。もし、操作者が指で画像10内の所望のキーに触れると、この指によって光ビームが異なって反射する。この反射を入力部4が解析することによって操作者がどのキーを操作したかを判別することができる。その他、同公報に開示されている他の方法でもよく、例えば光ビームに代えて音響ビームを用いてもよいし、指先の血流を赤外像で読み取る方法などでもよい。   For example, as disclosed in the publication, the image output unit 4 a has a light source that emits a light beam such as a laser, and thereby draws the image 10 on a flat table 20. The detection unit 4b has a light source that emits another light beam. This light beam irradiates the entire area of the image 10, and the reflection is received by the detection unit 4b. If the operator touches a desired key in the image 10 with a finger, the light beam is reflected differently by the finger. By analyzing the reflection, the input unit 4 can determine which key the operator has operated. In addition, other methods disclosed in the publication may be used. For example, an acoustic beam may be used instead of the light beam, or a blood flow of a fingertip may be read with an infrared image.

例えば、検出部4bは図示するように赤外線ビーム源4baと赤外線検出器4bbとを含む。赤外線ビーム源4baは画像10全体に赤外線のビームを照射し、赤外線検出器4bbは画像10から反射してきた赤外線の像を検出する。ここで、指で画像10が描かれた台20を押すと、指先の血流が変化するので赤外線検出器4bbが検出する赤外線の像が変化する。入力部4は、この赤外線の像の変化を解析して、画像10内のどのキーが押されたかを判別することができる。   For example, the detector 4b includes an infrared beam source 4ba and an infrared detector 4bb as shown. The infrared beam source 4ba irradiates the entire image 10 with an infrared beam, and the infrared detector 4bb detects an infrared image reflected from the image 10. Here, when the table 20 on which the image 10 is drawn with a finger is pressed, the blood flow of the fingertip changes, so the infrared image detected by the infrared detector 4bb changes. The input unit 4 can determine which key in the image 10 has been pressed by analyzing the change in the infrared image.

その他の構成として、容器1の正面には電源をオン/オフするためのスイッチ9が設けられ、パソコン本体2と他の外部の機器との間で信号のやりとりを行うための光ケーブル8が設けられている。   As other configurations, a switch 9 for turning on / off the power supply is provided on the front surface of the container 1, and an optical cable 8 for exchanging signals between the personal computer main body 2 and other external devices is provided. ing.

次に動作について説明する。まず、スイッチ9をオンすると、パソコン本体2、ディスプレイ3及び入力部4が立ち上がり、入力部4から透明板7を通して画像10が平坦な台20上に映し出される。操作者は画像10の所望のキー画像を指で触れて操作する。入力部4はこの操作を検出してデータに変換してパソコン本体2に伝える。パソコン本体2はこの入力データに基づいて所定の演算処理を行い、処理結果をディスプレイ3に表示する。操作者は透明板5を通してディスプレイ3に表示された処理結果を見ることができる。または、パソコン本体2は光ケーブル8を介して処理結果を外部の機器へ出力することもできる。   Next, the operation will be described. First, when the switch 9 is turned on, the personal computer main body 2, the display 3 and the input unit 4 stand up, and the image 10 is displayed on the flat table 20 from the input unit 4 through the transparent plate 7. The operator operates a desired key image of the image 10 by touching it with a finger. The input unit 4 detects this operation, converts it to data, and transmits it to the personal computer 2. The personal computer main body 2 performs predetermined arithmetic processing based on the input data and displays the processing result on the display 3. The operator can see the processing result displayed on the display 3 through the transparent plate 5. Alternatively, the personal computer main body 2 can also output the processing result to an external device via the optical cable 8.

以上のように、容器1の透明板7を通して外部へ入力装置に相当する画像10を映し出し、画像10が映し出された位置における操作者の操作を容器1の透明板7を通して検出するため、従来のように安全保持器や機械的なキーボードを防爆構造の容器に接続するためのコネクタなどが必要なく、従来と同様の機能を有しつつ構成が簡単になり、安全保持器が必要ない分、安価になる。特に容器1を耐圧防爆構造にすると本質安全防爆構造などに比べ構成が簡単になる。また、キーボードを容器1内部から画像10として外部へ提供するので、操作者が入力装置を準備して容器1に接続する必要がない。   As described above, the image 10 corresponding to the input device is projected to the outside through the transparent plate 7 of the container 1, and the operation of the operator at the position where the image 10 is projected is detected through the transparent plate 7 of the container 1. This eliminates the need for a connector for connecting a safety cage or mechanical keyboard to an explosion-proof container, and simplifies the configuration while having the same functions as the conventional one. become. In particular, if the container 1 has a pressure-proof explosion-proof structure, the configuration becomes simple compared to an intrinsically safe explosion-proof structure. Further, since the keyboard is provided from the inside of the container 1 to the outside as the image 10, it is not necessary for the operator to prepare an input device and connect it to the container 1.

なお、図1及び図2では入力部4を容器1内に設置した構成を示したが、図3及び図4に示すように、別の防爆機器として別の容器12内に設けてもよい。図3及び図4の各符号は図1及び図2のそれぞれに対応し、入力部4はケーブル11を介してパソコン本体2に入力装置として電気的に接続されている。この場合でも図1及び図2の場合同様、安全保持器が必要なく、構成が簡単になる。また、画像10はキーボード以外にも例えば制御盤やノート型パソコンなどに付いているいわゆるタッチパッドなどに相当する画像でもよい。図5は入出力装置に相当する画像13がタッチパッドの例であり、この画像13を映し出す容器12(防爆機器)を図1や図3の容器1にさらに外付けして、パソコン本体2に別の入力装置として電気的に接続する。操作者は画像13内を指でなぞることにより、従来のタッチパッド同様、ディスプレイ3に表示されるカーソル(マウスポインタ)を動かすことができる。   1 and 2 show the configuration in which the input unit 4 is installed in the container 1, but as shown in FIGS. 3 and 4, it may be provided in another container 12 as another explosion-proof device. 3 and 4 correspond to those in FIGS. 1 and 2, and the input unit 4 is electrically connected as an input device to the personal computer main body 2 via the cable 11. Even in this case, as in the case of FIG. 1 and FIG. In addition to the keyboard, the image 10 may be an image corresponding to, for example, a so-called touch pad attached to a control panel or a notebook computer. FIG. 5 shows an example of an image 13 corresponding to an input / output device as a touch pad. A container 12 (explosion-proof device) that displays the image 13 is further externally attached to the container 1 shown in FIGS. Electrical connection as another input device. The operator can move the cursor (mouse pointer) displayed on the display 3 by tracing the inside of the image 13 with a finger as in the conventional touch pad.

本発明の実施の形態の防爆機器を示す正面図である。It is a front view which shows the explosion-proof apparatus of embodiment of this invention. 本発明の実施の形態の防爆機器の内部構造を示す概念図である。It is a conceptual diagram which shows the internal structure of the explosion-proof apparatus of embodiment of this invention. 本発明の他の実施の形態の防爆機器を示す正面図である。It is a front view which shows the explosion-proof apparatus of other embodiment of this invention. 本発明の他の実施の形態の防爆機器の内部構造を示す概念図である。It is a conceptual diagram which shows the internal structure of the explosion-proof apparatus of other embodiment of this invention. 本発明の他の実施の形態の防爆機器を示す正面図である。It is a front view which shows the explosion-proof apparatus of other embodiment of this invention.

符号の説明Explanation of symbols

1 容器、4a 画像出力部、4b 検出部。   1 container, 4a image output unit, 4b detection unit.

Claims (1)

爆発性ガスの雰囲気で使用される防爆機器であって、
防爆構造の容器と、
前記容器内に設けられ、前記容器を通して外部へ入力装置に相当する画像を映し出す画像出力部と、
前記容器内に設けられ、前記画像が映し出された位置における操作者の操作を前記容器を通して検出する検出部と、
を備えた防爆機器。
Explosion-proof equipment used in an atmosphere of explosive gas,
An explosion-proof container;
An image output unit provided in the container and displaying an image corresponding to the input device to the outside through the container;
A detection unit that is provided in the container and detects an operation of an operator through the container at a position where the image is projected;
Explosion-proof equipment with
JP2004090842A 2004-03-26 2004-03-26 Explosion-proof apparatus Pending JP2005275998A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004090842A JP2005275998A (en) 2004-03-26 2004-03-26 Explosion-proof apparatus

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Application Number Priority Date Filing Date Title
JP2004090842A JP2005275998A (en) 2004-03-26 2004-03-26 Explosion-proof apparatus

Publications (1)

Publication Number Publication Date
JP2005275998A true JP2005275998A (en) 2005-10-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004090842A Pending JP2005275998A (en) 2004-03-26 2004-03-26 Explosion-proof apparatus

Country Status (1)

Country Link
JP (1) JP2005275998A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104635529A (en) * 2014-12-09 2015-05-20 三一重型装备有限公司 Intrinsic safety keyboard of mining multi-circuit electromagnetic starter and control system
CN112562306A (en) * 2020-11-09 2021-03-26 天津芯缘君威科技有限公司 Security check explosive-handling system and explosive-handling method thereof
CN113671870A (en) * 2021-08-12 2021-11-19 深圳市科航科技发展有限公司 Intrinsic safety type explosion-proof keyboard with early warning function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104635529A (en) * 2014-12-09 2015-05-20 三一重型装备有限公司 Intrinsic safety keyboard of mining multi-circuit electromagnetic starter and control system
CN104635529B (en) * 2014-12-09 2018-03-27 三一重型装备有限公司 Mining multiloop electromagnetic starter intrinsic safety keyboard and control system
CN112562306A (en) * 2020-11-09 2021-03-26 天津芯缘君威科技有限公司 Security check explosive-handling system and explosive-handling method thereof
CN113671870A (en) * 2021-08-12 2021-11-19 深圳市科航科技发展有限公司 Intrinsic safety type explosion-proof keyboard with early warning function

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