JPH0799693A - Method for monitoring abnormality of equipment - Google Patents

Method for monitoring abnormality of equipment

Info

Publication number
JPH0799693A
JPH0799693A JP26425893A JP26425893A JPH0799693A JP H0799693 A JPH0799693 A JP H0799693A JP 26425893 A JP26425893 A JP 26425893A JP 26425893 A JP26425893 A JP 26425893A JP H0799693 A JPH0799693 A JP H0799693A
Authority
JP
Japan
Prior art keywords
abnormality
transmitter
radio wave
monitoring method
receiver
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
JP26425893A
Other languages
Japanese (ja)
Inventor
Kenji Nomi
賢二 能美
Koji Iwasa
幸司 岩佐
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP26425893A priority Critical patent/JPH0799693A/en
Publication of JPH0799693A publication Critical patent/JPH0799693A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To provide a method for monitoring the abnormality of an equipment for which construction can relatively easily be performed and the need of special wiring or the like is eliminated. CONSTITUTION:The plural equipments 10a, 10b,... which are monitoring objects are provided with transmitters 12a, 12b... for transmitting weak radio waves including identification codes by abnormality signals obtained from the equipments 10a, 10b,... and transmission antennas 11a, 11b,... connected to the transmitters. The weak radio waves are received by a receiver 14 provided with a reception antenna 13, an abnormal equipment is specified from the included identification code and displayed.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、工場内等で使用される
機器(機械、装置、設備及びこれらの部分を含む)の異
常(故障、非動作も含む)監視方法に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an abnormality (including failure and non-operation) monitoring method for equipment (including machines, devices, equipment and their parts) used in a factory or the like.

【0002】[0002]

【従来の技術】連続的に物を生産する工場においては、
多数の自動機器が配置されており、少しのことからこれ
らが動作を停止すると、生産に影響を与える。そこで、
従来はこれらの機器にブザーや、回転式あるいは点滅式
の警報ランプを取付け、機器の異常が生じた場合にはこ
れらが作動し、特定の監視員あるいは作業員に警告を与
えるようにしている。
2. Description of the Related Art In factories that continuously produce products,
A large number of automated equipment are in place, and if they stop working for a short time, it will affect production. Therefore,
Conventionally, a buzzer or a rotating or blinking alarm lamp is attached to these devices so that when an abnormality occurs in the device, these are activated to give a warning to a specific monitor or worker.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、近くに
ある数台の機器を監視する場合には、かかる方法で監視
が可能であるが、多数の機器を監視する場合には、前記
方法では不十分である。そこで、各機器からの異常信号
を信号線を介して中央の監視装置に集め、ここで集中的
に監視することを検討したが、既設の機器あるいは設備
に、更に配線を行うことは極めて工事費がかかるという
問題点がある。本発明はかかる事情に鑑みてなされたも
ので、比較的簡便に工事が行え、しかも特別な配線等を
行う必要がない機器の異常監視方法を提供することを目
的とする。
However, such a method can be used to monitor several nearby devices, but the above method is not sufficient to monitor a large number of devices. Is. Therefore, we considered collecting abnormal signals from each device through a signal line in a central monitoring device and conducting centralized monitoring here, but further wiring to existing devices or equipment is extremely expensive. There is a problem that it costs. The present invention has been made in view of such circumstances, and an object of the present invention is to provide an abnormality monitoring method for a device that can be relatively easily constructed and does not require special wiring or the like.

【0004】[0004]

【課題を解決するための手段】前記目的に沿う請求項1
記載の機器の異常監視方法は、監視対象物である複数の
機器に、該機器から得られた異常信号によって識別コー
ドを含む弱電波を送信する送信機及びこれに接続される
送信アンテナを設け、受信アンテナを備えた受信機によ
って前記弱電波を受信し、含まれる識別コードから異常
機器を特定し、その表示を行うようにして構成されてい
る。請求項2記載の機器の異常監視方法は、請求項1記
載の方法において、異常時に送信機から発する弱電波
は、所定の短い時間をおいて周期的に発信され、しかも
それぞれの送信機から発射される弱電波の周期時間がそ
れぞれ異なるようにして構成されている。請求項3記載
の機器の異常監視方法は、請求項1記載の方法におい
て、異常時に発する送信機からの弱電波はそれぞれ周波
数が異なり、該弱電波を受ける受信機が受信周波数をス
キャンしながら、個々の送信機からの弱電波を順次受信
して個々の機器の異常状態を監視するようにして構成さ
れている。そして、請求項3記載の機器の異常監視方法
は、請求項1〜3記載の方法において、受信機は携帯型
受信機からなって、表示には異常機器のランプ表示の他
に、異常があったことを知らせる警報音発信部を備えて
構成されている。
A method according to the above-mentioned object.
An abnormality monitoring method of the device described is provided with a plurality of devices that are objects to be monitored, a transmitter that transmits a weak radio wave including an identification code by an abnormal signal obtained from the device, and a transmission antenna connected to the transmitter. The weak radio wave is received by a receiver equipped with a receiving antenna, an abnormal device is identified from the included identification code, and the abnormal device is displayed. According to a second aspect of the present invention, there is provided a device abnormality monitoring method according to the first aspect, wherein weak radio waves emitted from the transmitter at the time of an abnormality are periodically emitted after a predetermined short time and are emitted from the respective transmitters. The weak radio waves have different cycle times. According to a third aspect of the present invention, there is provided a device abnormality monitoring method according to the first aspect, wherein weak radio waves emitted from a transmitter when an abnormality occurs have different frequencies, and a receiver receiving the weak radio waves scans the reception frequency, It is configured to sequentially receive weak radio waves from individual transmitters and monitor the abnormal state of individual devices. The method for monitoring an abnormality of a device according to claim 3 is the method according to any one of claims 1 to 3, wherein the receiver is a portable receiver, and the display has an abnormality in addition to the lamp display of the abnormal equipment. It is configured to include an alarm sound transmitting unit for notifying the user.

【0005】[0005]

【作用】請求項1〜4記載の機器の異常監視方法におい
ては、監視対象物である複数の機器に、送信機及び送信
アンテナを取付け、機器から得られた信号によって、識
別コードを含む弱電波を発信し、この弱電波を受信アン
テナを備えた受信機によって受信しているので、装置の
取付けが特別の配線を行うことがなく接続できる。そし
て、送信される識別コードから機器の異常状態を集中管
理でき、省力化を図れる。特に、請求項2及び3記載の
機器の異常監視方法においては、時間を分けてあるいは
周波数を変えて弱電波の利用を図っているので、複数の
機器が同時に故障しても混信等を生じることなく異常と
なった機器の特定を図ることができる。そして、請求項
4記載の機器の異常監視方法においては、受信機が携帯
型となっているので、監視員がこれを携行することがで
き、監視しようとする機器の近くにいる場合には常時、
機器の監視が行える。
In the abnormality monitoring method for the device according to any one of claims 1 to 4, a transmitter and a transmitting antenna are attached to a plurality of devices to be monitored, and a weak radio wave including an identification code is obtained by a signal obtained from the device. Since this weak electric wave is received by a receiver equipped with a receiving antenna, the device can be connected without special wiring. Then, the abnormal state of the device can be centrally managed from the transmitted identification code, and labor can be saved. Particularly, in the device abnormality monitoring method according to claims 2 and 3, since weak electric waves are used by dividing the time or changing the frequency, interference may occur even if a plurality of devices fail at the same time. It is possible to identify the device that has become abnormal. Further, in the apparatus abnormality monitoring method according to claim 4, since the receiver is portable, a surveillance staff member can carry it, and when the equipment is to be monitored, the receiver is always provided. ,
Can monitor equipment.

【0006】[0006]

【実施例】続いて、添付した図面を参照しつつ、本発明
を具体化した実施例につき説明し、本発明の理解に供す
る。ここに、図1は本発明の一実施例に係る機器の異常
監視方法を示す概略説明図、図2は送信機の概略ブロッ
ク図、図3は送信信号のグラフ、図4は動作状態を示す
フロー図である。
Embodiments of the present invention will now be described with reference to the accompanying drawings to provide an understanding of the present invention. Here, FIG. 1 is a schematic explanatory view showing an abnormality monitoring method for equipment according to an embodiment of the present invention, FIG. 2 is a schematic block diagram of a transmitter, FIG. 3 is a graph of a transmission signal, and FIG. It is a flowchart.

【0007】図1、図2に示すように、本発明の一実施
例に係る機器の異常監視方法は、各機器10a、10
b、・・・10nに送信アンテナ11a、11b、・・
・11n付きの送信機12a、12b、・・・12nを
取付け、受信アンテナ13を備えた携帯型の受信機14
によって送信アンテナ11a、11b、・・・11nか
ら発信される弱電波を受信し、内部の制御部15によっ
て処理し表示部16に表示するようになっている。
As shown in FIGS. 1 and 2, an abnormality monitoring method for a device according to an embodiment of the present invention is applied to each device 10a, 10a.
b ... 10n with transmitting antennas 11a, 11b, ...
· Portable receiver 14 equipped with transmitters 12a, 12b, ... 12n with 11n and equipped with receiving antenna 13
The weak radio waves transmitted from the transmission antennas 11a, 11b, ... 11n are received by the control antenna 15 and processed by the internal control unit 15 to be displayed on the display unit 16.

【0008】前記送信機12a(12b、・・12nも
同様)の送信部17は、通常のFM送信機(場合によっ
てはAM、PM送信機であっても良い)からなって、機
器に設けられた故障入力の信号18によって作動し、時
間設定部19によって予め時間設定された周期時間で、
デジタルスイッチ等の識別コード設定部20によって設
定された識別コードを送信アンテナ11aから発信する
ようになっている。なお、電源21は充電式の電池から
なって、仮に監視を行う機器の電源が切れても、これを
検知し送信機12aが作動し、識別符号を含む電波を送
信するようになっている。
The transmitting unit 17 of the transmitter 12a (12b, ..., 12n is the same) is composed of an ordinary FM transmitter (which may be an AM or PM transmitter in some cases) and is provided in the equipment. Is activated by the signal 18 of the failure input, and has a cycle time preset by the time setting unit 19,
The identification code set by the identification code setting unit 20 such as a digital switch is transmitted from the transmitting antenna 11a. It should be noted that the power source 21 is composed of a rechargeable battery, and even if the power of a device to be monitored is cut off, the transmitter 12a is activated by detecting this and transmitting a radio wave including an identification code.

【0009】前記送信機12a、12b、・・・12n
の送信方法を図3を用いて説明すると仮に、接続された
機器が異常となった場合には、送信機12aにおいて
は、t0 秒の間隔で識別コードを含むFM電波をt1
送信を行い、送信機12bにおいては、(t0 +t1
秒の周期で識別符号を含むFM電波をt1 秒の送信を行
う。即ち、一般に送信機12nは、(t0 +nt1 )秒
の周期で、識別符号を含むFM電波をt1 秒の送信を行
い、これによって、仮に最初の電波が混信を起こしても
次に送信される電波が混信を起こさないようになってい
る。ここで、t0、t1 は、それぞれ十分小さい時間
(例えば0.01〜0.3)とすることによって、支障
なく各機器の異常状態を検知できる。なお、FM電波の
出力は無許可で電波を送信しても違反とならない微弱電
波にしておくのが好ましい。
The transmitters 12a, 12b, ... 12n
3 will be described with reference to FIG. 3, if the connected device becomes abnormal, the transmitter 12a transmits FM radio waves including the identification code for t 1 seconds at intervals of t 0 seconds. Then, at the transmitter 12b, (t 0 + t 1 )
The FM radio wave including the identification code is transmitted for t 1 seconds at a cycle of seconds. That is, in general, the transmitter 12n transmits FM radio waves including an identification code for t 1 seconds at a cycle of (t 0 + nt 1 ) seconds, so that even if the first radio wave causes interference, it is transmitted next. The radio waves that are received do not cause interference. Here, by setting t 0 and t 1 to be sufficiently small times (for example, 0.01 to 0.3), the abnormal state of each device can be detected without any trouble. It is preferable that the output of the FM radio wave is a weak radio wave that does not cause a violation even if the radio wave is transmitted without permission.

【0010】そして、前記受信機14では、受信アンテ
ナ13によって受信し、受信部14aで復調して識別コ
ード信号を選択し、制御部15に送っている。制御部1
5には周知のマイクロコンピュータを備え、予め記載さ
れたROMに処理手順が記載されている。これを図4に
示すフローで説明すると、故障信号を受信し(ステップ
a)、その識別コードから機器の特定を行い(ステップ
b)、その機器を記憶する(ステップc)。そして、表
示部16に機器のランプで機器の表示をする(ステップ
d)と共に、付属するブザー、あるいは他の警報ランプ
等を点滅し、これによって、どの機器に異常が発したか
監視室で分かることになる。なお、受信機14の電源は
電池式となっている。
In the receiver 14, the receiving antenna 13 receives the signal, the receiving section 14a demodulates it, selects an identification code signal, and sends it to the control section 15. Control unit 1
5 is equipped with a well-known microcomputer, and the processing procedure is described in the ROM described in advance. Explaining this with the flow shown in FIG. 4, a failure signal is received (step a), the device is identified from the identification code (step b), and the device is stored (step c). Then, the device lamp is displayed on the display unit 16 (step d), and the attached buzzer or other alarm lamps are blinked, which allows the monitoring room to know which device has an abnormality. It will be. The power source of the receiver 14 is a battery type.

【0011】前記実施例においては、故障時の電波を発
信時間に差を設けて、FM電波の混信を防止するように
したが、例えば、各送信機の送信周波数を混信しない範
囲で少しずつずらし、受信機の方は送信機の発信周波数
の間をスキャンして受信を行い、非常信号を受信するよ
うにすることも可能である。また、非常信号を発する度
合が極めて少ない場合には、全て同一の周波数を使用し
て、異常時には識別コードを含む連続あるいは断続の電
波を発信するようにしても良く、これによって回路が極
めて簡略化される。
In the above embodiment, the radio waves at the time of failure are provided with different transmission times to prevent FM radio wave interference. However, for example, the transmission frequency of each transmitter is slightly shifted within a range where interference is not caused. It is also possible for the receiver to scan between the transmission frequencies of the transmitter for reception and receive the emergency signal. In addition, when the degree of emitting an emergency signal is extremely low, the same frequency may be used to transmit continuous or intermittent radio waves including the identification code in the event of an abnormality, which greatly simplifies the circuit. To be done.

【0012】[0012]

【発明の効果】請求項1〜4記載の機器の異常監視方法
においては、機器が異常になった場合の信号の送信に電
波を用いているので、途中の配線等が不要になり、これ
によって配線工事が著しく簡略化され、更に廉価とな
る。特に、請求項2、3記載の機器の異常監視方法にお
いては、複数の機器が同時に異常状態となっても区別で
きるので、確実な対応処理が可能となる。そして、請求
項4記載の機器の異常監視方法においては、受信機が携
帯型となっているので、持ち歩くことができ、これによ
って監視範囲を広めることができる。
According to the abnormality monitoring method for a device according to claims 1 to 4, since electric waves are used to transmit a signal when the device becomes abnormal, wiring on the way is not necessary, and thereby, Wiring work is significantly simplified, and it becomes even cheaper. In particular, in the device abnormality monitoring method according to the second and third aspects, even if a plurality of devices are in an abnormal state at the same time, they can be distinguished from each other, so that reliable response processing is possible. In the device abnormality monitoring method according to the fourth aspect, since the receiver is portable, it can be carried around, and the monitoring range can be expanded.

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

【図1】本発明の一実施例に係る機器の異常監視方法を
示す概略説明図である。
FIG. 1 is a schematic explanatory diagram showing an abnormality monitoring method for a device according to an embodiment of the present invention.

【図2】送信機の概略ブロック図である。FIG. 2 is a schematic block diagram of a transmitter.

【図3】送信信号のグラフである。FIG. 3 is a graph of a transmission signal.

【図4】動作状態を示すフロー図である。FIG. 4 is a flowchart showing an operating state.

【符号の説明】[Explanation of symbols]

10a 機器 10b 機器 10n 機器 11a 送信アンテナ 11b 送信アンテナ 11n 送信アンテナ 12a 送信機 12b 送信機 12n 送信機 13 受信アンテナ 14 受信機 15 制御部 16 表示部 17 送信部 18 信号 19 時間設定部 20 コード設定部 21 電源 10a device 10b device 10n device 11a transmission antenna 11b transmission antenna 11n transmission antenna 12a transmitter 12b transmitter 12n transmitter 13 reception antenna 14 receiver 15 control unit 16 display unit 17 transmission unit 18 signal 19 time setting unit 20 code setting unit 21 Power supply

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 監視対象物である複数の機器に、該機器
から得られた異常信号によって識別コードを含む弱電波
を送信する送信機及びこれに接続される送信アンテナを
設け、受信アンテナを備えた受信機によって前記弱電波
を受信し、含まれる識別コードから異常機器を特定し、
その表示を行うことを特徴とする機器の異常監視方法。
1. A plurality of devices to be monitored are provided with a transmitter for transmitting a weak radio wave including an identification code by an abnormal signal obtained from the devices and a transmitting antenna connected to the transmitter, and a receiving antenna. The weak radio wave is received by the receiver, and the abnormal device is identified from the included identification code.
A device abnormality monitoring method characterized by displaying the display.
【請求項2】 異常時に送信機から発する弱電波は、所
定の短い時間をおいて周期的に発信され、しかもそれぞ
れの送信機から発射される弱電波の周期時間がそれぞれ
異なる請求項1記載の機器の異常監視方法。
2. The weak radio wave emitted from the transmitter at the time of abnormality is periodically transmitted after a predetermined short time, and the cycle time of the weak radio wave emitted from each transmitter is different from each other. How to monitor equipment for abnormalities.
【請求項3】 異常時に発する送信機からの弱電波はそ
れぞれ周波数が異なり、該弱電波を受ける受信機が受信
周波数をスキャンしながら、個々の送信機からの弱電波
を順次受信して個々の機器の異常状態を監視する請求項
1記載の機器の異常監視方法。
3. The weak electric waves from the transmitters generated at the time of an abnormality have different frequencies, and the receivers receiving the weak electric waves scan the reception frequency while sequentially receiving the weak electric waves from the individual transmitters. The device abnormality monitoring method according to claim 1, wherein the device abnormal state is monitored.
【請求項4】 受信機は携帯型受信機からなって、表示
には異常機器のランプ表示の他に、異常があったことを
知らせる警報音発信部を備えている請求項1、2または
3記載の機器の異常監視方法。
4. The receiver comprises a portable receiver, and in addition to a lamp display of an abnormal device, the display is provided with an alarm sound transmitting section for notifying that an abnormality has occurred. Abnormality monitoring method for the described equipment.
JP26425893A 1993-09-27 1993-09-27 Method for monitoring abnormality of equipment Pending JPH0799693A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26425893A JPH0799693A (en) 1993-09-27 1993-09-27 Method for monitoring abnormality of equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26425893A JPH0799693A (en) 1993-09-27 1993-09-27 Method for monitoring abnormality of equipment

Publications (1)

Publication Number Publication Date
JPH0799693A true JPH0799693A (en) 1995-04-11

Family

ID=17400682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26425893A Pending JPH0799693A (en) 1993-09-27 1993-09-27 Method for monitoring abnormality of equipment

Country Status (1)

Country Link
JP (1) JPH0799693A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0965460A (en) * 1995-08-23 1997-03-07 Arrow Denshi Kogyo Kk Communication system
JP2008537201A (en) * 2005-08-08 2008-09-11 キュンプーク・ナショナル・ユニヴァーシティー・インダストリー−アカデミック・コーポレーション・ファンデーション Portable wireless warning light system and portable wireless warning light based on wireless network

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0965460A (en) * 1995-08-23 1997-03-07 Arrow Denshi Kogyo Kk Communication system
JP2008537201A (en) * 2005-08-08 2008-09-11 キュンプーク・ナショナル・ユニヴァーシティー・インダストリー−アカデミック・コーポレーション・ファンデーション Portable wireless warning light system and portable wireless warning light based on wireless network

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