JPH05153656A - State monitoring device - Google Patents
State monitoring deviceInfo
- Publication number
- JPH05153656A JPH05153656A JP3339695A JP33969591A JPH05153656A JP H05153656 A JPH05153656 A JP H05153656A JP 3339695 A JP3339695 A JP 3339695A JP 33969591 A JP33969591 A JP 33969591A JP H05153656 A JPH05153656 A JP H05153656A
- Authority
- JP
- Japan
- Prior art keywords
- monitoring device
- communication
- control device
- radio
- monitoring
- 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
Landscapes
- Selective Calling Equipment (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、状態監視装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a condition monitoring device.
【０００２】[0002]
【従来の技術】従来、この種の状態監視装置では、監視
装置から制御装置に状態監視に関する通信を行ってお
り、制御装置と監視装置との間は信号ケーブルを介して
配線されている。2. Description of the Related Art Conventionally, in this type of status monitoring device, the monitoring device communicates with the control device regarding status monitoring, and the control device and the monitoring device are wired via a signal cable.
【０００３】また、監視装置は商用電源より常時電源が
供給され、制御装置との通信を行っていた。Further, the monitoring device is constantly supplied with power from a commercial power source and communicates with the control device.
【０００４】[0004]
【発明が解決しようとする課題】この従来の制御装置と
監視装置を有線で通信するシステムでは、制御装置（親
器）と監視装置（子器）間は信号ケーブルで結ぶ必要が
あり、子器を移設する場合には再度配線作業が発生す
る。In the conventional system for wired communication between the control device and the monitoring device, it is necessary to connect a signal cable between the control device (master device) and the monitoring device (slave device). When relocating, the wiring work will occur again.
【０００５】また、子器については常時商用電源より電
源が供給されているため、常に無駄な電力を消費すると
いう欠点がある。Further, since the slave unit is constantly supplied with power from the commercial power source, it has a drawback that it always consumes unnecessary power.
【０００６】本発明の目的は、システムの効率を上げ、
無駄な消費電力を抑えるようにした状態監視装置を提供
することにある。The purpose of the present invention is to increase the efficiency of the system,
It is to provide a state monitoring device that suppresses wasteful power consumption.
【０００７】[0007]
【課題を解決するための手段】前記目的を達成するた
め、本発明に係る状態監視装置においては、監視装置に
て状態を監視し、制御装置に通知する状態監視装置であ
って、監視装置と制御装置との通信手段を電波による無
線方式とし、制御装置は、同時送受信可能な無線基地局
を有し、監視装置は、商用電源より電源を供給し、制御
装置からのポーリング方式によりセンサ部で入手した情
報を制御装置へ通知する無線モデムを有する監視装置
と、電池より電源を供給し、監視装置側からのコンテン
ション方式によりセンサ部で入手した情報を制御装置へ
通知する無線モデムを有するものである。In order to achieve the above-mentioned object, a state monitoring device according to the present invention is a state monitoring device for monitoring the state by the monitoring device and notifying the control device, The communication means with the control device is a wireless system by radio waves, the control device has a wireless base station capable of simultaneous transmission and reception, the monitoring device supplies power from a commercial power source, and the sensor unit uses a polling system from the control device. A monitoring device having a wireless modem for notifying the control device of the obtained information, and a wireless modem for supplying the power from a battery and notifying the control device of the information obtained at the sensor unit by the contention method from the monitoring device side Is.
【０００８】[0008]
【作用】本発明は、制御装置（親器）と監視装置（子
器）との間の通信手段を無線化し、子器の移設を容易化
することに着目している。The present invention focuses on making the communication means between the control device (parent device) and the monitoring device (child device) wireless to facilitate the relocation of the child device.
【０００９】また、子器には商用電源より電源供給し、
親器からの要求により通信を行う（ポーリング方式）の
子器と、電池より電源供給し、子器から通信要求を行い
親器より空きチャネルを指定し通信を開始する（コンテ
ンション方式）軽量の可搬型の子器との並用により、よ
り効率のよい状態監視装置の実現を行う。In addition, the slave unit is supplied with power from a commercial power source,
Power is supplied from the battery to the slave device that performs communication (polling method) according to the request from the master device, the communication request is issued from the slave device, and an empty channel is specified from the master device and communication is started (contention method). A more efficient state monitoring device will be realized by using it together with a portable child device.
【００１０】また、後者の子器については、通信終了後
に自動的に電源をＯＦＦする機構を設けることにより、
無駄な電力の消費を抑える。With regard to the latter slave unit, by providing a mechanism for automatically turning off the power after communication is completed,
Reduce unnecessary power consumption.
【００１１】[0011]
【実施例】次に本発明について図面を参照して説明す
る。図１（ａ），（ｂ），（ｃ）は、本発明の一実施例
を示す構成図である。The present invention will be described below with reference to the drawings. 1 (a), (b), and (c) are configuration diagrams showing an embodiment of the present invention.
【００１２】図１（ａ）は、本発明における制御装置
（以下、親器という）１の構成を示すものであり、親器
１は、同時送受信可能な電波送信部５及び電波受信部６
と、制御部４と、無線基地局７と、電源ユニット（商用
電源供給型）９と、誤り検出機構１１と、ＩＯＰ１２
と、メモリ１３とを有している。FIG. 1A shows a configuration of a control device (hereinafter referred to as a parent device) 1 according to the present invention. The parent device 1 includes a radio wave transmitting unit 5 and a radio wave receiving unit 6 capable of simultaneous transmission and reception.
, Control unit 4, wireless base station 7, power supply unit (commercial power supply type) 9, error detection mechanism 11, and IOP 12
And a memory 13.
【００１３】無線基地局７から入力されたデータは誤り
検出機構１１によって、データの精度を確保する。制御
部４上のメモリ１３におけるプログラムにより、データ
を簡易加工し、ＩＯＰ１２を通じて上位装置へ通信す
る。The accuracy of the data input from the radio base station 7 is ensured by the error detection mechanism 11. Data is simply processed by a program in the memory 13 on the control unit 4 and communicated to the host device through the IOP 12.
【００１４】図１（ｂ），（ｃ）は、本発明における監
視装置（以下、子器という）の構成を示すものであり、
子器２，３は片側通信可能とし、同時送受信を不可と
し、商用電源駆動型子器２と電源駆動型子器３との２種
類のものが存在する。各子器２，３は、電波送信部５
と、電波受信部６と、監視部及び誤り検出機構１１をも
つ制御部４と、無線モデム８と、電源ユニット９又は１
０と、センサ１４とを有している。1 (b) and 1 (c) show the structure of a monitoring device (hereinafter referred to as a slave unit) according to the present invention.
The slave units 2 and 3 are capable of one-sided communication and are not capable of simultaneous transmission / reception, and there are two types: a commercial power source driven type slave unit 2 and a power source driven type slave unit 3. Each slave unit 2 and 3 includes a radio wave transmission unit 5
, A radio wave reception unit 6, a control unit 4 having a monitoring unit and an error detection mechanism 11, a wireless modem 8, and a power supply unit 9 or 1
0 and a sensor 14.
【００１５】親器１との通信方法として、商用電源駆動
型子器２については、子器が常時待ち状態とし、親器１
からの空きチャネル指定による通信要求後に指定チャネ
ルで通信を行うポーリング方式を採用する。As a method of communicating with the master device 1, as for the slave device 2 of the commercial power supply drive type, the slave device is always in a waiting state, and the master device 1
A polling method is used in which communication is performed on the specified channel after a communication request is made by specifying an empty channel from.
【００１６】一方、電池駆動型子器３については、セン
サ１４による状態検知の際、あらかじめ設定した規定値
を越えた場合、自動的に電源をＯＮ状態にし、親器１へ
通信要求を行い、親器１からの空きチャネル指定による
通信要求後、指定チャネルで通信を行うコンテンション
方式を採用する。なお、この電池駆動型子器３は小型で
あり可搬であることから、移設が容易にできることが特
徴である。On the other hand, with respect to the battery-powered slave unit 3, when the sensor 14 detects the state, if the preset value is exceeded, the power is automatically turned on and a communication request is sent to the master unit 1. After the communication request from the master device 1 by designating an empty channel, a contention system is used in which communication is performed on the designated channel. Since the battery-powered slave unit 3 is small and portable, it can be easily relocated.
【００１７】次に具体的な通信方法について記述する。
図２は無線通信の概要図である。仮に親器１台に対し、
商用電源駆動型子器２台（Ａ1，Ａ2），電池駆動型子器
１台（Ｂ1）を設置し、ｆ0は常時空きチャネル，ｆ1〜
ｆnはデータ通信用チャネルとする。Next, a specific communication method will be described.
FIG. 2 is a schematic diagram of wireless communication. For one master unit,
Two commercial power supply driven slave units (A 1 , A 2 ) and one battery driven slave unit (B 1 ) are installed, and f 0 is an always empty channel, f 1 ~
f n is a data communication channel.
【００１８】子器Ａ1，Ａ2は常に待ち状態である。親器
１から子器Ａ1に対し、ｆ0で空きチャネルｆ1を指定す
ると、子器Ａ1より可能もしくは不可の旨を送信し、双
方ともに通信可能状態ならば、ｆ1にてデータ通信を開
始する。The slave units A 1 and A 2 are always in a waiting state. To the parent device 1 child device A 1, by specifying a free channel f 1 with f 0, transmit the possible or impossible in effect from slave unit A 1, if the communication state in both data communication at f 1 To start.
【００１９】子器Ａ2についても同様に親器１からの指
定チャネルによりデータ通信を行う。Data communication is similarly performed for the slave unit A 2 through the designated channel from the master unit 1.
【００２０】一方、子器Ｂ1については、子器より親器
に対し通信要求をｆ0にて行い、親器１からｆ0にて空き
チャネルｆ3を指定し、同様にｆ3にてデータ通信を行
う。このとき、通信チャネルに空きがない場合は、親器
１からｆ0にて待ち時間を指定し、その間、子器の電源
ＯＮ状態を保つ。On the other hand, for the slave unit B 1 , the slave unit makes a communication request to the master unit at f 0 , the master unit 1 to f 0 specify the empty channel f 3 , and similarly at f 3 . Perform data communication. At this time, if there is no available communication channel, the master device 1 specifies the waiting time with f 0 , and during that time, the power of the slave device is kept ON.
【００２１】通信終了後は、自動的に電源ＯＦＦを行う
機能を設け、無駄な電力の消費を抑える。After the end of communication, a function for automatically turning off the power is provided to suppress unnecessary power consumption.
【００２２】[0022]
【発明の効果】以上説明したように本発明は制御装置と
監視装置の間の通信手段を無線化したので、監視装置の
設置及び移設の際の配線作業が不必要となる。As described above, according to the present invention, since the communication means between the control device and the monitoring device is made wireless, the wiring work at the time of installing and relocating the monitoring device becomes unnecessary.
【００２３】また、電池駆動型の子器で軽量な可搬監視
装置により、移動する設備等の状態監視も可能となり、
通信時以外はこの電池駆動型監視装置は電源ＯＦＦを自
動的にＯＦＦすることから、無駄な電力の消費を抑え
る。In addition, it is possible to monitor the condition of moving equipment by using a portable monitoring device which is a battery-powered slave unit and is lightweight.
Since the battery-powered monitoring device automatically turns off the power supply except during communication, wasteful power consumption is suppressed.
【００２４】また、制御装置からの要求により状態を通
知する監視装置と、監視装置からの要求により状態を通
知する監視装置との並用により、より効率のよい状態監
視システムを実現できる。A more efficient state monitoring system can be realized by using the monitoring apparatus for notifying the state according to the request from the control apparatus and the monitoring apparatus for notifying the state according to the request from the monitoring apparatus.
【図１】（ａ），（ｂ），（ｃ）は本発明の制御装置
（親器）と監視装置（子器）との関係を示す構成図であ
り、（ａ）は制御装置を示す図、（ｂ）は商用電源駆動
型監視装置を示す図、（ｃ）は電源駆動型監視装置を示
す図である。1A, 1B, and 1C are configuration diagrams showing a relationship between a control device (master device) and a monitoring device (slave device) of the present invention, and FIG. 1A shows a control device. FIG. 1B is a diagram showing a commercial power source drive type monitoring device, and FIG. 1C is a diagram showing a power source drive type monitoring device.
【図２】図１に示した制御装置と監視装置間の無線通信
方式を示す概要図である。FIG. 2 is a schematic diagram showing a wireless communication system between the control device and the monitoring device shown in FIG.
１ 制御装置（親器） ２ 商用電源駆動型監視装置（子器） ３ 電源駆動型監視装置（子器） ４ 制御部 ５ 電波送信部 ６ 電波受信部 ７ 無線基地局 ８ 無線モデム ９ 電源ユニット（商用電源供給型） １０ 電源ユニット（電池供給型） １１ 誤り検出機構 1 Control Device (Parent Device) 2 Commercial Power Supply-Driven Monitoring Device (Child Device) 3 Power Supply-Driven Monitoring Device (Child Device) 4 Control Unit 5 Radio Wave Transmission Unit 6 Radio Wave Reception Unit 7 Radio Base Station 8 Radio Modem 9 Power Supply Unit ( Commercial power supply type) 10 Power supply unit (battery supply type) 11 Error detection mechanism
Claims (1)
通知する状態監視装置であって、 監視装置と制御装置との通信手段を電波による無線方式
とし、 制御装置は、同時送受信可能な無線基地局を有し、 監視装置は、商用電源より電源を供給し、制御装置から
のポーリング方式によりセンサ部で入手した情報を制御
装置へ通知する無線モデムを有する監視装置と、電池よ
り電源を供給し、監視装置側からのコンテンション方式
によりセンサ部で入手した情報を制御装置へ通知する無
線モデムを有することを特徴とする状態監視装置。1. A state monitoring device for monitoring a state by a monitoring device and notifying the control device, wherein the communication means between the monitoring device and the control device is a radio system by radio waves, and the control device can perform simultaneous transmission and reception. The monitoring device has a wireless base station, the monitoring device supplies power from a commercial power source, and the monitoring device has a wireless modem that notifies the control device of the information obtained by the sensor unit by the polling method from the control device, and the power supply from the battery. A condition monitoring device having a wireless modem that supplies the information and notifies the control device of the information acquired by the sensor unit by a contention method from the monitoring device side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3339695A JPH05153656A (en) | 1991-11-28 | 1991-11-28 | State monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3339695A JPH05153656A (en) | 1991-11-28 | 1991-11-28 | State monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05153656A true JPH05153656A (en) | 1993-06-18 |
Family
ID=18329925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3339695A Pending JPH05153656A (en) | 1991-11-28 | 1991-11-28 | State monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05153656A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008046790A (en) * | 2006-08-14 | 2008-02-28 | Hitachi Electronics Service Co Ltd | Production line monitor system |
| JP2021097511A (en) * | 2019-12-17 | 2021-06-24 | Ｋｙｂ株式会社 | State monitoring system |
-
1991
- 1991-11-28 JP JP3339695A patent/JPH05153656A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008046790A (en) * | 2006-08-14 | 2008-02-28 | Hitachi Electronics Service Co Ltd | Production line monitor system |
| JP2021097511A (en) * | 2019-12-17 | 2021-06-24 | Ｋｙｂ株式会社 | State monitoring system |
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