JP2007093342A - Vibration detection device for transmission line - Google Patents
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Abstract
Description
本発明は、送電線の振動を検出する振動検出装置に関し、特にＭＥＭＳ（Micro Electro Mechanical System）技術を用い振動検出装置自体の小型化、設置後の保守管理工数の低減及び通信による遠隔監視が可能な振動検出装置に関する。 The present invention relates to a vibration detection device that detects vibration of a transmission line, and in particular, using a MEMS (Micro Electro Mechanical System) technology, the vibration detection device itself can be downsized, maintenance management man-hours can be reduced after installation, and remote monitoring by communication is possible. The present invention relates to a vibration detection device.
従来の送電線の振動を検出する振動検出装置に関連する先行技術文献としては次のようなものがある。 Prior art documents related to a vibration detection device that detects vibration of a conventional power transmission line include the following.
図２はこのような従来の送電線の振動を検出する振動検出装置の一例を示す構成ブロック図である。図２において、１及び２は鉄塔、３及び４は送電線、５及び６は送電線３及び４の振動を検出する振動検出装置、７は振動検出装置５及び６からの振動データを受信する基地局である。 FIG. 2 is a block diagram showing the configuration of an example of a vibration detecting device for detecting such vibration of a conventional power transmission line. In FIG. 2, 1 and 2 are steel towers, 3 and 4 are transmission lines, 5 and 6 are vibration detection devices that detect vibrations of the transmission lines 3 and 4, and 7 receives vibration data from the vibration detection devices 5 and 6. It is a base station.
また、８は送電線の異常を知らせる携帯電話、９はハードディスク、ＲＯＭ（Read Only Memory）やＲＡＭ（Random Access Memory)、フラッシュメモリ（電気的に書き換え可能なＲＯＭ）等の記憶手段、１０はＣＰＵ（Central Processing Unit）等の演算制御手段、１１は基地局７を構成する各部品へ電力を供給する電池、１２は振動検出装置５及び６からの振動データを受信する通信手段である。そして、携帯電話８、記憶手段９、演算制御手段１０、電池１１及び通信手段１２は基地局７を構成している。 8 is a mobile phone for notifying the abnormality of the power transmission line, 9 is a storage means such as a hard disk, ROM (Read Only Memory), RAM (Random Access Memory), flash memory (electrically rewritable ROM), and 10 is a CPU. An arithmetic control means such as (Central Processing Unit), 11 is a battery for supplying power to each component constituting the base station 7, and 12 is a communication means for receiving vibration data from the vibration detection devices 5 and 6. The mobile phone 8, the storage unit 9, the calculation control unit 10, the battery 11, and the communication unit 12 constitute a base station 7.
また、１３は基地局７へ振動データを送信する通信手段、１４はハードディスク、ＲＯＭやＲＡＭ、フラッシュメモリ等の記憶手段、１５はＣＰＵ等の演算制御手段、１６は振動検出装置５、若しくは、振動検出装置６を構成する各部品へ電力を供給する電池、１７は振動を検出する加速度センサである。そして、通信手段１３、記憶手段１４、演算制御手段１５、電池１６及び加速度センサ１７は振動検出装置５、若しくは、振動検出装置６を構成している。 Further, 13 is a communication means for transmitting vibration data to the base station 7, 14 is a storage means such as a hard disk, ROM, RAM, flash memory, 15 is an arithmetic control means such as a CPU, 16 is a vibration detection device 5, or vibration. A battery 17 for supplying electric power to each component constituting the detection device 6, and an acceleration sensor 17 for detecting vibrations. The communication unit 13, the storage unit 14, the calculation control unit 15, the battery 16 and the acceleration sensor 17 constitute the vibration detection device 5 or the vibration detection device 6.
送電線３は鉄塔１から鉄塔２に渡るように敷設され、送電線３には振動検出装置５が設置される。同様に送電線４は鉄塔１から鉄塔２に渡るように敷設され、送電線４には振動検出装置６が設置される。また、基地局７は鉄塔１に設置される。 The transmission line 3 is laid so as to extend from the tower 1 to the tower 2, and the vibration detection device 5 is installed in the transmission line 3. Similarly, the transmission line 4 is laid so as to extend from the tower 1 to the tower 2, and the vibration detection device 6 is installed in the transmission line 4. The base station 7 is installed on the steel tower 1.
基地局７において、演算制御手段１０は携帯電話８、記憶手段９及び通信手段１２にそれぞれ接続され、電池１１は携帯電話８、記憶手段９、演算制御手段１０及び通信手段１２にそれぞれ電力を供給する。 In the base station 7, the calculation control means 10 is connected to the mobile phone 8, the storage means 9 and the communication means 12, and the battery 11 supplies power to the mobile phone 8, the storage means 9, the calculation control means 10 and the communication means 12, respectively. To do.
振動検出装置５、若しくは、振動検出装置６において、演算制御手段１５は通信手段１３、記憶手段１４及び加速度センサ１７にそれぞれ接続され、電池１６は通信手段１３、記憶手段１４、演算制御手段１５及び加速度センサ１７にそれぞれ電力を供給する。 In the vibration detection device 5 or the vibration detection device 6, the calculation control means 15 is connected to the communication means 13, the storage means 14 and the acceleration sensor 17, respectively, and the battery 16 is connected to the communication means 13, the storage means 14, the calculation control means 15 and Electric power is supplied to each acceleration sensor 17.
ここで、図２に示す従来例の動作を説明する。送電線３、若しくは、送電線４に着雪すると強風の時に送電線３、若しくは、送電線４が大きく波打つ現象が発生する場合がある。このような現象はギャロッピング現象と呼ばれる。 Here, the operation of the conventional example shown in FIG. 2 will be described. When snowfalls on the power transmission line 3 or the power transmission line 4, there may be a phenomenon in which the power transmission line 3 or the power transmission line 4 undulates greatly when there is a strong wind. Such a phenomenon is called a galloping phenomenon.
ギャロッピング現象が発生すると、時には送電線３、若しくは、送電線４が鉄塔１、若しくは、鉄塔２から外れるといった重大な事故が起こる恐れがある。 When the galloping phenomenon occurs, there is a possibility that a serious accident may occur in which the power transmission line 3 or the power transmission line 4 is sometimes disconnected from the tower 1 or the tower 2.
送電線３、若しくは、送電線４が大きく波打つと振動検出装置５、若しくは、振動検出装置６内の加速度センサ１７が振動を検出する。そして、その振動が予め設定された閾値を超えると、演算制御手段１５が通信手段１３を介して基地局７に異常を知らせる。 When the power transmission line 3 or the power transmission line 4 is greatly waved, the vibration detection device 5 or the acceleration sensor 17 in the vibration detection device 6 detects vibration. When the vibration exceeds a preset threshold, the arithmetic control unit 15 notifies the base station 7 of the abnormality via the communication unit 13.
基地局７は通信手段１２を経由して演算制御手段１０により振動検出装置５、若しくは、振動検出装置６からの異常を検出した場合、携帯電話８により送電線の監視を行っている所へ異常を連絡する。 When the base station 7 detects an abnormality from the vibration detection device 5 or the vibration detection device 6 by the arithmetic and control means 10 via the communication means 12, an abnormality is detected in the place where the mobile phone 8 monitors the power transmission line. To contact.
また、異常振動が続いている間は振動検出装置５、若しくは、振動検出装置６内の記憶手段１４に振動データを蓄積し、異常診断終了時に蓄積された振動データを基地局７に送信する。そして、基地局７内の記憶手段９に振動データが蓄積され、後日振動の解析に使用される。 Further, while abnormal vibration continues, vibration data is accumulated in the vibration detection device 5 or the storage means 14 in the vibration detection device 6, and the vibration data accumulated at the end of the abnormality diagnosis is transmitted to the base station 7. Then, the vibration data is stored in the storage means 9 in the base station 7 and used for vibration analysis at a later date.
この結果、送電線にギャロッピング現象等による異常振動が発生した場合、自動的に異常を検出し、送電線の監視を行っている所へ異常を連絡することが可能になる。また、異常時の振動データを記憶手段に蓄積しておき、後日解析をすることも可能になる。 As a result, when an abnormal vibration due to a galloping phenomenon or the like occurs in the transmission line, it is possible to automatically detect the abnormality and report the abnormality to a place where the transmission line is monitored. It is also possible to accumulate vibration data at the time of abnormality in the storage means and analyze it at a later date.
図３はこのような従来の送電線の振動を検出する振動検出装置の他の一例を示す構成ブロック図である。図３において１８及び１９は鉄塔、２０，２１，２２及び２３は送電線、２４は送電線２０，２１，２２及び２３に光を照射するレーザ照射装置、２５はビデオカメラ、２６は画像処理装置である。 FIG. 3 is a block diagram showing the configuration of another example of a vibration detecting device for detecting such vibration of a conventional power transmission line. In FIG. 3, 18 and 19 are steel towers, 20, 21, 22, and 23 are power transmission lines, 24 is a laser irradiation device that irradiates light to the power transmission lines 20, 21, 22, and 23, 25 is a video camera, and 26 is an image processing device. It is.
送電線２０，２１，２２及び２３はそれぞれ鉄塔１８から鉄塔１９に渡るように敷設され、レーザ照射装置２４は送電線２０，２１，２２及び２３の線路方向に対してほぼ直角に光が照射される位置に設置される。 The transmission lines 20, 21, 22, and 23 are laid so as to extend from the tower 18 to the tower 19, respectively, and the laser irradiation device 24 is irradiated with light at substantially right angles to the line directions of the transmission lines 20, 21, 22, and 23. It is installed at the position.
また、ビデオカメラ２５は送電線２０，２１，２２及び２３の照射部分からの反射光を記録できる位置に設置される。ビデオカメラ２５の出力端子は画像処理装置２６の入力端子に接続される。 The video camera 25 is installed at a position where the reflected light from the irradiated portions of the power transmission lines 20, 21, 22, and 23 can be recorded. The output terminal of the video camera 25 is connected to the input terminal of the image processing device 26.
ここで、図３に示す従来例の動作を説明する。レーザ照射装置２４はレーザ光を縦長の形状をしたファンビームに整形し、送電線２０，２１，２２及び２３の振動を測定したい位置に照射する。 Here, the operation of the conventional example shown in FIG. 3 will be described. The laser irradiation device 24 shapes the laser beam into a vertically long fan beam and irradiates a position where vibrations of the power transmission lines 20, 21, 22, and 23 are to be measured.
そして、送電線２０，２１，２２及び２３の照射部分からの反射光をビデオカメラ２５で取り込み、取り込んだ画像を画像処理装置２６に送出する。さらに、画像処理装置２６では画像データから反射光の座標を割り出し、この座標の移動状態をモニタすることにより異常振動を検出する。 Then, the reflected light from the irradiated portions of the power transmission lines 20, 21, 22, and 23 is captured by the video camera 25, and the captured image is sent to the image processing device 26. Further, the image processing device 26 detects the abnormal vibration by determining the coordinates of the reflected light from the image data and monitoring the movement state of the coordinates.
この結果、レーザ照射装置で送電線にファンビームを照射し、照射部分の反射光をビデオカメラで取り込み、その画像データを画像処理することにより、送電線の振動をモニタすることができるので、送電線に測定機材を直接取り付けることなく遠隔監視により送電線の異常振動を検出することが可能になる。 As a result, it is possible to monitor the vibration of the power transmission line by irradiating the power transmission line with the laser irradiation device, capturing the reflected light of the irradiated part with a video camera, and processing the image data. It is possible to detect abnormal vibration of the transmission line by remote monitoring without directly attaching measurement equipment to the electric wire.
しかし、図２に示す従来例では、加速度センサ、電池及び通信手段等から構成されており、送電線に取り付ける装置としては規模が大きいという問題点があった。また、電池を使用しているので、電池交換のための保守が必要になるという問題点があった。 However, the conventional example shown in FIG. 2 is composed of an acceleration sensor, a battery, communication means, and the like, and has a problem that the scale of the device attached to the power transmission line is large. In addition, since a battery is used, there is a problem that maintenance for battery replacement is required.
また、図３に示す従来例では、送電線毎にレーザ照射装置、ビデオカメラ及び画像処理装置が必要になるため設備投資が高額になり、また設置が大変であるという問題点があった。 Further, in the conventional example shown in FIG. 3, there is a problem that equipment investment is expensive and installation is difficult because a laser irradiation device, a video camera, and an image processing device are required for each power transmission line.
従って本発明が解決しようとする課題は、振動検出装置自体の小型化、設置後の保守管理工数の低減及び通信による遠隔監視が可能な振動検出装置を実現することにある。 Therefore, the problem to be solved by the present invention is to realize a vibration detection device capable of downsizing the vibration detection device itself, reducing the maintenance man-hours after installation, and performing remote monitoring by communication.
このような課題を達成するために、本発明のうち請求項１記載の発明は、
送電線の振動を検出する振動検出装置において、
前記振動検出装置に電力を供給する電力供給手段と、電力線搬送通信に対応した通信手段と、前記送電線の振動を検出する加速度センサと、前記通信手段と前記加速度センサを制御する演算制御手段とを備え、前記演算制御手段が前記加速度センサからの振動データを受け、前記通信手段を制御して前記振動データを前記送電線に送出することにより、電力線搬送通信を利用しているので新たな通信網を敷設することなく遠隔監視が可能になる。
In order to achieve such a problem, the invention according to claim 1 of the present invention is:
In the vibration detection device that detects the vibration of the transmission line,
Power supply means for supplying power to the vibration detection device; communication means for power line carrier communication; acceleration sensor for detecting vibration of the power transmission line; arithmetic control means for controlling the communication means and the acceleration sensor; And the arithmetic control means receives vibration data from the acceleration sensor, controls the communication means, and sends the vibration data to the power transmission line, so that power line carrier communication is used. Remote monitoring is possible without laying a net.
請求項２記載の発明は、
送電線の振動を検出する振動検出装置において、
前記振動検出装置に電力を供給する電力供給手段と、電力線搬送通信に対応した通信手段と、前記送電線の振動を検出する加速度センサと、前記送電線の振動データを格納する記憶手段と、前記通信手段、前記加速度センサ及び前記記憶手段を制御する演算制御手段とを備え、前記演算制御手段が前記加速度センサからの前記振動データを受け、前記記憶手段に前記振動データを格納すると共に前記通信手段を制御して前記振動データを前記送電線に送出することにより、電力線搬送通信を利用しているので新たな通信網を敷設することなく遠隔監視が可能になる。
The invention according to claim 2
In the vibration detection device that detects the vibration of the transmission line,
Power supply means for supplying power to the vibration detection device; communication means for power line carrier communication; acceleration sensor for detecting vibration of the power transmission line; storage means for storing vibration data of the power transmission line; A control means for controlling the communication means, the acceleration sensor, and the storage means, wherein the calculation control means receives the vibration data from the acceleration sensor, stores the vibration data in the storage means, and the communication means. By transmitting the vibration data to the power transmission line by controlling the power transmission, the power line carrier communication is used, so that remote monitoring can be performed without laying a new communication network.
請求項３記載の発明は、
送電線の振動を検出する振動検出装置において、
前記振動検出装置に電力を供給する電力供給手段と、電力線搬送通信に対応した通信手段と、前記送電線の振動を検出する加速度センサと、前記送電線の振動データを格納する記憶手段と、前記通信手段、前記加速度センサ及び前記記憶手段を制御する演算制御手段とを備え、前記演算制御手段が前記加速度センサからの前記振動データを受け、前記振動データと前記記憶手段に予め設定された閾値との比較を行い、前記振動データが前記閾値より大きい場合に前記記憶手段に前記振動データを格納すると共に前記通信手段を制御して前記振動データを前記送電線に送出することにより、電力線搬送通信を利用しているので新たな通信網を敷設することなく遠隔監視が可能になる。
The invention described in claim 3
In the vibration detection device that detects the vibration of the transmission line,
Power supply means for supplying power to the vibration detection device; communication means for power line carrier communication; acceleration sensor for detecting vibration of the power transmission line; storage means for storing vibration data of the power transmission line; A communication means, an arithmetic control means for controlling the acceleration sensor and the storage means, wherein the arithmetic control means receives the vibration data from the acceleration sensor, and the vibration data and a threshold value preset in the storage means, When the vibration data is larger than the threshold value, the vibration data is stored in the storage means and the communication means is controlled to send the vibration data to the power transmission line. Remote monitoring is possible without laying a new communication network.
請求項４記載の発明は、
送電線の振動を検出する振動検出装置において、
前記振動検出装置に電力を供給する電力供給手段と、電力線搬送通信に対応した通信手段と、前記送電線の振動を検出する加速度センサと、前記送電線の振動データを格納する記憶手段と、前記通信手段、前記加速度センサ及び前記記憶手段を制御する演算制御手段とを備え、前記演算制御手段が前記加速度センサからの前記振動データを受け、この振動データと前記記憶手段に予め設定された閾値との比較を行い、前記振動データが前記閾値より小さい場合に前記記憶手段に前記振動データを格納すると共に前記通信手段を制御して前記振動データを前記送電線に送出することにより、電力線搬送通信を利用しているので新たな通信網を敷設することなく遠隔監視が可能になる。
The invention according to claim 4
In the vibration detection device that detects the vibration of the transmission line,
Power supply means for supplying power to the vibration detection device; communication means for power line carrier communication; acceleration sensor for detecting vibration of the power transmission line; storage means for storing vibration data of the power transmission line; Communication means, calculation control means for controlling the acceleration sensor and the storage means, wherein the calculation control means receives the vibration data from the acceleration sensor, the vibration data and a threshold value preset in the storage means, When the vibration data is smaller than the threshold value, the vibration data is stored in the storage means and the communication means is controlled to send the vibration data to the power transmission line. Remote monitoring is possible without laying a new communication network.
請求項５記載の発明は、
請求項１乃至請求項４のいずれかに記載の発明である振動検出装置において、
前記加速度センサが、
ＭＥＭＳ技術を用いることにより、振動検出装置自体の小型化及び通信による遠隔監視が可能になる。
The invention according to claim 5
In the vibration detection device according to any one of claims 1 to 4,
The acceleration sensor is
By using the MEMS technology, the vibration detection device itself can be miniaturized and remotely monitored by communication.
請求項６記載の発明は、
請求項１乃至請求項５のいずれかに記載の発明である振動検出装置において、
前記電力供給手段が、
前記送電線の磁界の変化による電磁誘導を利用して発電することにより、振動検出装置自体の小型化、設置後の保守管理工数の低減及び通信による遠隔監視が可能になる。
The invention described in claim 6
In the vibration detection device according to any one of claims 1 to 5,
The power supply means
By generating power using electromagnetic induction caused by the change in the magnetic field of the power transmission line, it is possible to reduce the size of the vibration detection device itself, reduce the number of maintenance management steps after installation, and perform remote monitoring by communication.
請求項７記載の発明は、
請求項１乃至請求項５のいずれかに記載の発明である振動検出装置において、
前記電力供給手段が、
太陽電池であることにより、振動検出装置自体の小型化、設置後の保守管理工数の低減及び通信による遠隔監視が可能になる。
The invention described in claim 7
In the vibration detection device according to any one of claims 1 to 5,
The power supply means
By being a solar cell, it is possible to downsize the vibration detection device itself, reduce maintenance man-hours after installation, and perform remote monitoring by communication.
本発明によれば次のような効果がある。
請求項１，２，３及び請求項４の発明によれば、送電線の振動を検出する振動検出装置にＰＬＣ（Power Line Communication：電力線搬送通信：以下、単にＰＬＣと呼ぶ。）に対応した装置を備えることにより、新たな通信網を敷設することなく遠隔監視が可能になる。
The present invention has the following effects.
According to the first, second, third, and fourth aspects of the invention, the vibration detection device that detects the vibration of the power transmission line corresponds to a PLC (Power Line Communication: hereinafter simply referred to as PLC). The remote monitoring can be performed without installing a new communication network.
請求項５の発明によれば、送電線の振動を検出する振動検出装置にＭＥＭＳ技術を用いた加速度センサを備えることにより、振動検出装置自体の小型化及び通信による遠隔監視が可能になる。 According to the invention of claim 5, by providing the vibration detection device that detects the vibration of the power transmission line with the acceleration sensor using the MEMS technology, the vibration detection device itself can be downsized and remotely monitored by communication.
請求項６及び請求項７の発明によれば、送電線の振動を検出する振動検出装置に送電線の磁界の変化による電磁誘導を利用して発電する発電機や太陽光を利用して発電する太陽電池を備えることにより、振動検出装置自体の小型化及び通信による遠隔監視が可能になると共に電池のように交換する必要が無くなるので設置後の保守管理工数の低減が可能になる。 According to the inventions of claims 6 and 7, the vibration detecting device for detecting the vibration of the transmission line generates power using a generator that generates electromagnetic waves by using electromagnetic induction caused by a change in the magnetic field of the transmission line or sunlight. By providing the solar cell, the vibration detection device itself can be miniaturized and remotely monitored by communication, and it is not necessary to replace it like a battery, so that the maintenance management man-hours after installation can be reduced.
以下本発明を図面を用いて詳細に説明する。図１は本発明に係る振動検出装置の一実施例を示す構成ブロック図である。 Hereinafter, the present invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram showing the configuration of an embodiment of a vibration detecting apparatus according to the present invention.
図１において２７及び２８は鉄塔、２９及び３０は送電線、３１及び３２は送電線２９及び３０の振動を検出する振動検出装置、３３は送配変電施設、３４は振動検出装置３１及び３２から送信される振動データを受信する受信装置である。 In FIG. 1, 27 and 28 are steel towers, 29 and 30 are power transmission lines, 31 and 32 are vibration detection devices that detect vibrations of the power transmission lines 29 and 30, 33 is a power transmission / distribution facility, and 34 is from the vibration detection devices 31 and 32. It is a receiving device that receives vibration data to be transmitted.
また、３５は電力供給手段、３６はＰＬＣモデム等の通信手段、３７はハードディスク、ＲＯＭやＲＡＭ、フラッシュメモリ等の記憶手段、３８はＣＰＵ等の演算制御手段、３９はＭＥＭＳ技術を用いた加速度センサである。 35 is a power supply means, 36 is a communication means such as a PLC modem, 37 is a storage means such as a hard disk, ROM, RAM, flash memory, 38 is an arithmetic control means such as a CPU, 39 is an acceleration sensor using MEMS technology It is.
電力供給手段３５、通信手段３６、記憶手段３７、演算制御手段３８及び加速度センサ３９は振動検出装置３１、若しくは、振動検出装置３２を構成している。 The power supply means 35, the communication means 36, the storage means 37, the calculation control means 38, and the acceleration sensor 39 constitute a vibration detection device 31 or a vibration detection device 32.
送電線２９は鉄塔２７から鉄塔２８に渡るように敷設され、送電線２９には振動検出装置３１が設置される。同様に送電線３０は鉄塔２７から鉄塔２８に渡るように敷設され、送電線３０には振動検出装置３２が設置される。 The power transmission line 29 is laid so as to extend from the steel tower 27 to the steel tower 28, and the vibration detection device 31 is installed in the power transmission line 29. Similarly, the power transmission line 30 is laid so as to extend from the steel tower 27 to the steel tower 28, and the vibration detection device 32 is installed in the power transmission line 30.
また、送電線２９及び３０は鉄塔２８を経由して送配変電施設３３に接続され、送配変電施設３３には受信装置３４が設置される。 The power transmission lines 29 and 30 are connected to the transmission / distribution substation facility 33 via the steel tower 28, and a receiving device 34 is installed in the transmission / distribution substation facility 33.
電力供給手段３５は通信手段３６、記憶手段３７、演算制御手段３８及び加速度センサ３９にそれぞれ電力を供給する。加速度センサ３９は演算制御手段３８に接続され、演算制御手段３８は通信手段３６、記憶手段３７にそれぞれ接続される。 The power supply unit 35 supplies power to the communication unit 36, the storage unit 37, the calculation control unit 38, and the acceleration sensor 39, respectively. The acceleration sensor 39 is connected to the calculation control means 38, and the calculation control means 38 is connected to the communication means 36 and the storage means 37, respectively.
ここで、図１に示す実施例の動作を説明する。ギャロッピング現象等により送電線２９及び３０が異常振動を起こすと振動検出装置３１及び３２内の加速度センサ３９が振動を検出する。 Here, the operation of the embodiment shown in FIG. 1 will be described. When the power transmission lines 29 and 30 cause abnormal vibration due to a galloping phenomenon or the like, the acceleration sensor 39 in the vibration detection devices 31 and 32 detects the vibration.
演算制御手段３８は記憶手段３７に予め設定されている振動の閾値と加速度センサ３９から送信される振動データを比較し、振動データが閾値を超えていた場合、演算制御手段３８は記憶手段３７に振動データを格納すると共に通信手段３６を制御してＰＬＣにより送電線２９及び３０を介して振動データを送出する。 The arithmetic control unit 38 compares the vibration threshold value preset in the storage unit 37 with the vibration data transmitted from the acceleration sensor 39. If the vibration data exceeds the threshold value, the arithmetic control unit 38 stores the vibration data in the storage unit 37. The vibration data is stored and the communication means 36 is controlled to transmit the vibration data via the power transmission lines 29 and 30 by the PLC.
そして、振動データは送配変電施設３３内に設置された受信装置３４で受信され、送電線２９、若しくは、送電線３０での異常振動の発生が通知される。 Then, the vibration data is received by the receiving device 34 installed in the transmission / distribution substation facility 33, and the occurrence of abnormal vibration in the power transmission line 29 or the power transmission line 30 is notified.
また、振動検出装置３１及び３２は電力供給手段３５により電力が供給される。この電力供給手段３５は送電線２９、若しくは、送電線３０の磁界の変化による電磁誘導を利用して発電する発電機や太陽光を利用して発電する太陽電池であるので、電池の場合のように交換する必要が無いので保守管理工数が低減される。 Further, the vibration detection devices 31 and 32 are supplied with power by the power supply means 35. The power supply means 35 is a power generator 29 that generates power using electromagnetic induction caused by a change in the magnetic field of the power transmission line 29 or the power transmission line 30 or a solar battery that generates power using sunlight. Since there is no need for replacement, maintenance man-hours are reduced.
また、振動検出装置３１及び３２内の記憶手段３７には振動データが保存されているので、ＰＬＣを用いて送電線２９、若しくは、送電線３０を経由して振動データを読み出すことも可能になる。 Further, since the vibration data is stored in the storage means 37 in the vibration detection devices 31 and 32, the vibration data can be read out via the power transmission line 29 or the power transmission line 30 using the PLC. .
この結果、送電線の振動を検出する振動検出装置にＭＥＭＳ技術を用いた加速度センサを備えることにより、振動検出装置自体の小型化、さらに低消費電力化が可能になる。また、低消費電力化されたことにより、送電線の磁界の変化による電磁誘導を利用して発電する発電機や太陽光を利用して発電する太陽電池で装置全体の電力を供給することができるので、保守管理工数の低減が可能になる。 As a result, by providing the vibration detection device that detects the vibration of the power transmission line with the acceleration sensor using the MEMS technology, the vibration detection device itself can be reduced in size and further reduced in power consumption. In addition, since the power consumption is reduced, the power of the entire apparatus can be supplied by a generator that generates power using electromagnetic induction due to a change in the magnetic field of the transmission line or a solar cell that generates power using sunlight. Therefore, the maintenance man-hours can be reduced.
また、通信手段にＰＬＣに対応した装置を備えることにより、振動検出装置の通信は送電線を経由して行うことができるので、遠隔監視が可能になる。 Further, by providing the communication means with a device corresponding to the PLC, the vibration detection device can be communicated via the power transmission line, so that remote monitoring becomes possible.
さらに、予め設定されている振動の閾値と加速度センサから送信される振動データを比較し、振動データが閾値を超えていた場合にのみＰＬＣにより送電線を介して振動データを送出するので、通信トラフィックの軽減が可能になる。 Furthermore, since the vibration threshold value set in advance is compared with the vibration data transmitted from the acceleration sensor, the vibration data is sent via the power transmission line by the PLC only when the vibration data exceeds the threshold value. Can be reduced.
なお、受信装置は送配変電施設に設置するとしているが、必ずしもそうする必要はなく、鉄塔に設置しても構わない。 Although the receiving device is installed in the transmission / distribution / transformation facility, it is not always necessary to do so, and it may be installed in the steel tower.
また、図１に示す実施例では予め設定されている振動の閾値と加速度センサから送信される振動データを比較し、振動データが閾値を超えていた場合に記憶手段に振動データを格納し、ＰＬＣにより振動データを送出しているが、振動データが閾値を超えない間は記憶手段に振動データを格納し、ＰＬＣにより振動データを送出するようにしても構わない。 Further, in the embodiment shown in FIG. 1, the vibration threshold value set in advance is compared with the vibration data transmitted from the acceleration sensor, and the vibration data is stored in the storage means when the vibration data exceeds the threshold value, and the PLC However, the vibration data may be stored in the storage means and the vibration data may be transmitted by the PLC while the vibration data does not exceed the threshold value.
この場合には、異常振動時の通信トラフィックの軽減が可能になると共に異常振動が発生するまでの送電線の挙動をモニタすることが可能になる。 In this case, it becomes possible to reduce the communication traffic at the time of abnormal vibration and to monitor the behavior of the transmission line until the abnormal vibration occurs.
また、図１に示す実施例では予め設定されている振動の閾値と加速度センサから送信される振動データを比較し、振動データが閾値を超えていた場合に記憶手段に振動データを格納し、ＰＬＣにより振動データを送出しているが、常時、ＰＬＣにより振動データを送出するようにしても構わない。 Further, in the embodiment shown in FIG. 1, the vibration threshold value set in advance is compared with the vibration data transmitted from the acceleration sensor, and the vibration data is stored in the storage means when the vibration data exceeds the threshold value, and the PLC However, the vibration data may be always sent by PLC.
この場合には、正常時から異常振動時における送電線の全ての挙動をモニタすることが可能になる。 In this case, it is possible to monitor all the behaviors of the power transmission line from normal to abnormal vibration.
また、振動検出装置を多くの送電線に設置することにより、広範囲における風の分布を測定してもよい。 Moreover, you may measure the distribution of the wind in a wide range by installing a vibration detection apparatus in many power transmission lines.
同様に、振動検出装置に温度センサを備えることにより、広範囲における温度の分布を測定してもよい。 Similarly, the temperature distribution in a wide range may be measured by providing the vibration detection device with a temperature sensor.
また、振動検出装置を鉄塔に設置することにより、鉄塔の振動モードの測定をしてもよい。 Moreover, you may measure the vibration mode of a steel tower by installing a vibration detection apparatus in a steel tower.
また、振動検出装置の電力供給手段に太陽電池を用いた場合、太陽電池の発電の状況により、広範囲における日照の分布を測定してもよい。 Moreover, when a solar cell is used as the power supply means of the vibration detection device, the distribution of sunlight in a wide range may be measured according to the power generation status of the solar cell.
また、振動検出装置に送電線に流れる搬送電流の周波数測定装置を備えることにより、送電線に流れる搬送電流の周波数を測定してもよい。 Moreover, you may measure the frequency of the carrier current which flows into a power transmission line by providing the frequency measuring apparatus of the carrier current which flows into a power transmission line in a vibration detection apparatus.
また、振動検出装置に磁界センサを備えることにより、送電線に流れる搬送電流の電流値を測定してもよい。この場合、送電線で地絡が発生した際には、搬送電流をモニタすることで発生箇所を特定することが可能になる。 Moreover, you may measure the electric current value of the carrier current which flows into a power transmission line by providing a magnetic field sensor in a vibration detection apparatus. In this case, when a ground fault occurs in the power transmission line, it is possible to identify the occurrence location by monitoring the carrier current.
１，２，１８，１９，２７，２８ 鉄塔
３，４，２０，２１，２２，２３，２９，３０ 送電線
５，６，３１，３２ 振動検出装置
７ 基地局
８ 携帯電話
９，１４，３７ 記憶手段
１０，１５，３８ 演算制御手段
１１，１６ 電池
１２，１３，３６ 通信手段
１７，３９ 加速度センサ
２４ レーザ照射装置
２５ ビデオカメラ
２６ 画像処理装置
３３ 送配変電施設
３４ 受信装置
３５ 電力供給手段
1, 2, 18, 19, 27, 28 Steel tower 3, 4, 20, 21, 22, 23, 29, 30 Transmission line 5, 6, 31, 32 Vibration detection device 7 Base station 8 Mobile phone 9, 14, 37 Storage means 10, 15, 38 Arithmetic control means 11, 16 Batteries 12, 13, 36 Communication means 17, 39 Acceleration sensor 24 Laser irradiation device 25 Video camera 26 Image processing device 33 Transmission / distribution substation facility 34 Reception device 35 Power supply means
Claims (7)
前記振動検出装置に電力を供給する電力供給手段と、
電力線搬送通信に対応した通信手段と、
前記送電線の振動を検出する加速度センサと、
前記通信手段と前記加速度センサを制御する演算制御手段とを備え、
前記演算制御手段が前記加速度センサからの振動データを受け、前記通信手段を制御して前記振動データを前記送電線に送出することを特徴とする振動検出装置。 In the vibration detection device that detects the vibration of the transmission line,
Power supply means for supplying power to the vibration detection device;
Communication means corresponding to power line carrier communication;
An acceleration sensor for detecting vibration of the power transmission line;
The communication means and an arithmetic control means for controlling the acceleration sensor,
The vibration detection apparatus, wherein the arithmetic control means receives vibration data from the acceleration sensor, controls the communication means, and sends the vibration data to the power transmission line.
前記振動検出装置に電力を供給する電力供給手段と、
電力線搬送通信に対応した通信手段と、
前記送電線の振動を検出する加速度センサと、
前記送電線の振動データを格納する記憶手段と、
前記通信手段、前記加速度センサ及び前記記憶手段を制御する演算制御手段とを備え、
前記演算制御手段が前記加速度センサからの前記振動データを受け、前記記憶手段に前記振動データを格納すると共に前記通信手段を制御して前記振動データを前記送電線に送出することを特徴とする振動検出装置。 In the vibration detection device that detects the vibration of the transmission line,
Power supply means for supplying power to the vibration detection device;
Communication means corresponding to power line carrier communication;
An acceleration sensor for detecting vibration of the power transmission line;
Storage means for storing vibration data of the power transmission line;
Computation control means for controlling the communication means, the acceleration sensor and the storage means,
The operation control means receives the vibration data from the acceleration sensor, stores the vibration data in the storage means, and controls the communication means to send the vibration data to the power transmission line. Detection device.
前記振動検出装置に電力を供給する電力供給手段と、
電力線搬送通信に対応した通信手段と、
前記送電線の振動を検出する加速度センサと、
前記送電線の振動データを格納する記憶手段と、
前記通信手段、前記加速度センサ及び前記記憶手段を制御する演算制御手段とを備え、
前記演算制御手段が前記加速度センサからの前記振動データを受け、前記振動データと前記記憶手段に予め設定された閾値との比較を行い、前記振動データが前記閾値より大きい場合に前記記憶手段に前記振動データを格納すると共に前記通信手段を制御して前記振動データを前記送電線に送出することを特徴とする振動検出装置。 In the vibration detection device that detects the vibration of the transmission line,
Power supply means for supplying power to the vibration detection device;
Communication means corresponding to power line carrier communication;
An acceleration sensor for detecting vibration of the power transmission line;
Storage means for storing vibration data of the power transmission line;
Computation control means for controlling the communication means, the acceleration sensor and the storage means,
The arithmetic control means receives the vibration data from the acceleration sensor, compares the vibration data with a threshold value preset in the storage means, and if the vibration data is larger than the threshold value, the storage means stores the vibration data in the storage means. A vibration detection apparatus that stores vibration data and controls the communication means to send the vibration data to the power transmission line.
前記振動検出装置に電力を供給する電力供給手段と、
電力線搬送通信に対応した通信手段と、
前記送電線の振動を検出する加速度センサと、
前記送電線の振動データを格納する記憶手段と、
前記通信手段、前記加速度センサ及び前記記憶手段を制御する演算制御手段とを備え、
前記演算制御手段が前記加速度センサからの前記振動データを受け、この振動データと前記記憶手段に予め設定された閾値との比較を行い、前記振動データが前記閾値より小さい場合に前記記憶手段に前記振動データを格納すると共に前記通信手段を制御して前記振動データを前記送電線に送出することを特徴とする振動検出装置。 In the vibration detection device that detects the vibration of the transmission line,
Power supply means for supplying power to the vibration detection device;
Communication means corresponding to power line carrier communication;
An acceleration sensor for detecting vibration of the power transmission line;
Storage means for storing vibration data of the power transmission line;
Computation control means for controlling the communication means, the acceleration sensor and the storage means,
The arithmetic control means receives the vibration data from the acceleration sensor, compares the vibration data with a threshold value set in advance in the storage means, and if the vibration data is smaller than the threshold value, the storage means stores the vibration data in the storage means. A vibration detection apparatus that stores vibration data and controls the communication means to send the vibration data to the power transmission line.
ＭＥＭＳ技術を用いたことを特徴とする
請求項１乃至請求項４のいずれかに記載の振動検出装置。 The acceleration sensor is
The vibration detection apparatus according to claim 1, wherein MEMS technology is used.
前記送電線の磁界の変化による電磁誘導を利用して発電することを特徴とする
請求項１乃至請求項５のいずれかに記載の振動検出装置。 The power supply means
The vibration detection apparatus according to claim 1, wherein power is generated using electromagnetic induction caused by a change in a magnetic field of the power transmission line.
太陽電池であることを特徴とする
請求項１乃至請求項５のいずれかに記載の振動検出装置。
The power supply means
6. The vibration detection apparatus according to claim 1, wherein the vibration detection apparatus is a solar cell.
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