JP2004147374A - Tilting abnormality detection device for electric pole - Google Patents

Tilting abnormality detection device for electric pole Download PDF

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Publication number
JP2004147374A
JP2004147374A JP2002306703A JP2002306703A JP2004147374A JP 2004147374 A JP2004147374 A JP 2004147374A JP 2002306703 A JP2002306703 A JP 2002306703A JP 2002306703 A JP2002306703 A JP 2002306703A JP 2004147374 A JP2004147374 A JP 2004147374A
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Japan
Prior art keywords
inclination
coil
pole
inductance
tilt
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JP2002306703A
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Japanese (ja)
Inventor
Yoshikazu Ichiyama
市山 義和
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.)
KURA GIJUTSU KENKYUSHO KK
Kura Gijutsu Kenkyusho KK
Original Assignee
KURA GIJUTSU KENKYUSHO KK
Kura Gijutsu Kenkyusho KK
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Application filed by KURA GIJUTSU KENKYUSHO KK, Kura Gijutsu Kenkyusho KK filed Critical KURA GIJUTSU KENKYUSHO KK
Priority to JP2002306703A priority Critical patent/JP2004147374A/en
Publication of JP2004147374A publication Critical patent/JP2004147374A/en
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  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Electric Cable Installation (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tilting abnormality detection device for electric pole which is capable of achieving cost reduction and has high weatherability. <P>SOLUTION: This tilting abnormality detection device for an electric pole can achieve cost reduction by minimizing the number of appliances to be fixed on respective electric poles to the limit for detecting its tilting and by sharing most of them. A tilting detection part of no-contact and inductance detection type by one detection coil is structured to transmit an oscillation output including inductance change information as it is, thus realizing cost reduction and high weatherability. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【産業上の利用分野】
本発明は,電柱の傾斜異常検出装置に拘わり,特に個々の電柱に固定配置してその傾斜異常を検出可能とする安価な電柱の傾斜異常検出装置に拘わる。
【0002】
【従来の技術】
電力線或いは通信線等の支柱として所謂電柱は町中の至る所に配設されているが,風,地震,或いは地盤変動等の影響を受けて傾斜し,倒壊する可能性があり,不断の監視が行われている。これらの目的に有効な手段は個々の電柱に傾斜検出器を配置して監視することであるが,現在製品化されている傾斜検出器を数多い電柱個々に配置するにはコストが嵩み過ぎる難点がある。また,風雨に曝される電柱に配置固定するには耐候性に優れた傾斜検出器とする必要がある。
【0003】
【発明が解決しようとする課題】
そこで本発明の目的は,低コストで且つ耐候性に優れた電柱の傾斜異常検出装置を実現提供することである。
【0004】
【課題を解決するための手段】
本発明による電柱の傾斜異常検出装置は,請求項1に記載するよう少なくとも傾斜に対応した信号を出力する傾斜検知部を個々の電柱に固定的に配置し,通信手段を有して傾斜を表示確認する部分を共用として全体のコスト低減可能な装置を実現する。
【0005】
更に具体的には請求項2に記載するように表示部は携帯可能に構成し,通信手段は電柱の至近領域を伝達可能とするような微弱電磁波或いは光変調出力とし,個々の電柱の真下至近領域で傾斜異常を表示確認する電柱の傾斜異常検出装置として低コストで構成する。
【0006】
他の具体構成例は請求項3に記載するように個々の電柱には傾斜検知部と共に識別制御部,通信手段とを有し,傾斜状態を識別した結果を無線或いは電線に重畳させて中央の制御装置に送り,表示確認させる。
【0007】
傾斜検知部の具体的な構成例は請求項4に記載するように上に開いた半球状容器内に導体球或いは磁性体球を配置し,半球状容器底部にコイルを配置して,半球状容器の傾斜により導体球或いは磁性体球が転動してコイルのインダクタンスを変化させることを検知する。
【0008】
請求項5では前記半球状容器の半球面に段差を設け,所定以上の傾斜では急激に導体球或いは磁性体球が半球面底部より移動する距離を大とするよう構成する。電柱の傾斜異常検知は所定の角度以上の傾斜か否かで異常有無を識別するが,半球面に段差を設けて所定の角度以上の傾斜でインダクタンス変化を大とし,識別を容易にする。
【0009】
請求項6は傾斜検知部の他の具体的な構成を規定する。コイルの真上に導体或いは磁性体で構成する錘を揺動可能に吊して傾斜検知部全体の傾斜に対応してコイルと導体或いは磁性体との距離を変化させてコイルのインダクタンスを変化させる。
【0010】
請求項7は請求項6の構成に於いて,コイル真上に対向する錘の半球面中央部及び半球面外周部を導体及び磁性体の組み合わせとして所定の角度以上の傾斜でインダクタンス変化を大とし,識別を容易にする。
【0011】
さらに請求項8は,請求項4或いは6において,傾斜検知部に於けるコイルのインダクタンス変化をコイルをその一部とする発振回路を用いて発振周波数変化として出力させ,発振出力を微弱電磁波として,或いは発振出力で光変調して出力させ,電柱真下の至近距離内で受信可能とさせて低コストで電柱の傾斜異常検出装置実現を可能とする。
【0012】
請求項9は,請求項2に記載する電柱の傾斜異常検出装置の識別精度を向上し,電柱毎の傾斜データ管理を容易にする装置を規定する。すなわち,識別制御部及び表示部に加えて個々の電柱をその位置から認識する位置検知識別部,例えばGPS受信部及びメモリとを携帯可能に構成し,認識した個々の電柱毎に傾斜検知部の傾斜情報出力をメモリに記憶し,時系列的に電柱の傾斜状態を記憶可能にすると共に傾斜異常識別の精度を向上する。
【0013】
【作用】
個々の電柱に固定配置する機器は傾斜検知に必要な最小限とし,大部分を共用とすることで低コスト化可能な電柱の傾斜異常検出装置とする。また傾斜検知部は非接触で且つ一つの検出コイルのインダクタンス検知とし,さらにインダクタンス変化情報を含む発振出力をそのまま送信する構成で低コストで耐候性に優れた装置実現を可能にする。
【0014】
【発明の実施の形態】
以下に本発明による電柱の傾斜異常検出装置について,その実施例及び原理作用等を図面を参照しながら説明する。
【0015】
図1は,本発明の第一の実施例の概略構成を示す。電柱上部に傾斜検知部を固定配置し,識別表示部を携帯可能に構成して個々の電柱毎に傾斜異常を識別検知する。同図に於いて,傾斜検知部12は地上の諸物から損傷を受ける恐れの少ない個々の電柱11の高所に固定配置され,電柱11の傾斜に対応した出力を電柱11真下近傍で受信できるほどの微弱電磁波13により送信する。保守管理者15は携帯可能に構成された識別表示部14を持ち,個々の電柱11の真下近傍で微弱電磁波13を受信し,傾斜異常の有無を確認する。
【0016】
図2は,第一の実施例に於ける傾斜検知部12及び識別表示部14の構成を更に説明するための図である。傾斜検知部12は断面図を示すように上に向いて開いた半球状容器21内に導体球22を有し,半球状容器22底部中央に一つの検出コイル23を有する。番号26は検出コイル23をその一部とする発振回路で番号25は発振回路26を動作させるための太陽電池を示し,番号24は導体球22の動きにダンピングを与えるために封入したオイルを示している。携帯可能に構成された識別表示部14は微弱電磁波13の受信部27,識別制御部28,表示部29,電池2a,GPS受信部2b,メモリ2c等とより構成される。
【0017】
電柱11に固定された傾斜検知部12が傾斜すると,導体球22は半球状容器21内を転がり,検出コイル23との距離が大となるので検出コイル23のインダクタンスは大となる。電柱11の傾斜異常検知は傾斜方向を問わず傾斜量が重要であるので一つの検出コイル23のみで構成する。発振回路26は太陽電池25から電流供給が有る間は常に発振を続け,その発振周波数は検出コイル23のインダクタンスに依存するので傾斜検知部12の傾斜に対応して発振周波数は低くなる。発振回路26による発振出力は検出コイル23を流れ,検出コイル23から微弱電磁波13として電柱11下方に漏洩させる。
【0018】
識別表示部14の受信部27はその微弱電磁波13を受けてパルス化し,識別制御部28は受信部27からのパルス出力を受けてパルス間隔を微小時間間隔のパルス列で計数して周波数を識別し,電柱11の傾斜異常有無を識別して表示部29に表示して保守管理者15に認識せしめる。
【0019】
それらの傾斜異常識別の過程で識別制御部28はGPS受信部2bの経緯度情報から電柱11を特定し,電柱11の識別情報と傾斜情報とをメモリ2cに記憶すると共に過去の時系列的な傾斜情報を比較参照して識別精度を向上させる。電柱個々の識別情報を予め定めて傾斜検知部と共に配置し,識別制御部28に認識させることも可能であるが,共用部である識別表示部14のコストを若干アップさせる事で全体のコストを抑制する方が良い。また耐候性を向上させるために繊細な半導体集積回路素子を電柱11個々に配置することは好ましく無く,上の構成のように最小限の回路素子で構成することが望ましい。
【0020】
図3は,第一の実施例に於ける傾斜検知部12の動作を更に詳しく説明するための図であり,半球状容器21,導体球22,検出コイル23等の断面を示している。同図に於いて,半球状容器21は更に拡大して詳細を示してあり,その半球面は段差部31を境界として内周側半球面32,外周側半球面33とで構成されることを示している。内周側半球面32の曲率半径は小で微小な傾斜では導体球22の移動量は小で,したがって検出コイル23のインダクタンス変化は小さい。外周側半球面33の曲率半径は大としたので傾斜が一定角度を超え段差部31を越えるに至ると導体球22の移動量は急激に大となるよう構成している。
【0021】
図3(a)は傾斜がほぼ無い場合を,図3(b)は傾斜が小さい場合を,図3(c)は傾斜が大の場合をそれぞれ示し,番号34,35はそれぞれの場合に移動した導体球22を示し,番号22’は図3(a)に於ける導体球22の位置を示す。
【0022】
図3(c)に示したように傾斜が一定水準を超えると導体球22の移動量は急激に大となり,インダクタンスの変化,結果として発振周波数の変化も大となる。電柱11の傾斜は許容範囲内であるか,否かの判断が必要であるが,このような構造とすることで個々の傾斜検知部12のばらつきの許容範囲を大にすることが出来て低コスト化に寄与する。
【0023】
傾斜量に対する出力変化を大にして分解能を向上させる他の方法にはコイル23が発生する磁束分布を局在化させる手段がある。コイル23の中心部或いは更に外周部等に磁性体を用いて磁束分布を集中させる,またコイル23が発生するのは高周波磁束であることを利用して導体球22に対向する中心部のみに開口を有する導体板をコイル23と導体球22間に配置する。これらは公知の技術であるので詳しい説明は省略する。
【0024】
半球状容器21に導体球22と共に封入するオイル24は導体球22の動きにダンピングを与える。電柱11の多くは道路近傍に配置されて車両が至近を通過して大小の振動を与え,また風,さらには地震等により電柱11には振動が与えられる。電柱11及び傾斜検知部12に振動が与えられる度に導体球22は半球状容器21内を転動しようとする。このような振動に起因するインダクタンスの変化は傾斜検知部12の出力を電子回路その他の方法で処理して傾斜の識別判断には影響を小とすることも可能であるが,オイル24により導体球22の動きにダンピングを加える方がコスト的に有利である。オイル24の粘度は寒暖により変化するが,導体球22の移動の時定数を数十分程度に収まるように設定すれば傾斜の異常有無判定には支障が無い。
【0025】
また,オイル24と導体球22とを半球状容器21に密閉すると,温度の上下によりオイル24の容積が変動するので半球状容器21に無理な力が加わってオイル漏れその他の不具合を生じることがある。これを避けるには半球状容器21の蓋の一部をフレキシブルな素材で構成して温度によるオイル24容積の膨張,収縮を吸収する構造とする。
【0026】
第一の実施例では,傾斜に伴って導体球22が転動する構成とした。導体球の替わりに磁性体球とすることも可能であって,その場合には傾斜量とインダクタンス変化量との関係が逆になる。磁性体球の磁性は温度の影響を受け易いが,インダクタンス変化量を導体球の場合より大に出来,設置環境及び必要とする感度等から選択する。
【0027】
また,傾斜検知部12から識別表示部14への通信手段を微弱電磁波13として構成したが,発振回路26の発振出力でLEDを駆動点滅させ,電柱11真下近傍への通信手段として構成することも出来る。LEDの発光色を特定の色或いはその組み合わせとし,受信側で色フィルターを用いることで昼間でも良好な通信を期待できる。
【0028】
図4は本発明の第二の実施例として傾斜検知部12の異なった構成を示す。同図に於いて,コイル23上に吊した錘のコイル23に対向する半球面中央部43には導体を,正常時にコイル23と対向していない半球面外周部42には磁性体を配置してある。これらはロープ44を中心として軸対称に構成され,図ではその断面を示している。その他の構成は図2に示した例と同じである。番号41は容器を,番号44は錘を吊すロープを,番号45は錘の動きにダンピングを与えるオイルを,番号46は傾斜に伴って錘の動く方向をそれぞれ示す。
【0029】
電柱11に固定された傾斜検知部12が傾斜すると,導体と磁性体とで構成される錘は傾くが,傾斜が小さい場合には導体で構成された半球面中央部43は引き続きコイル23と対向してインダクタンスの変化は小さい。しかしながら,傾斜が大になると導体で構成された半球面中央部43はコイル23の真上から外れ,コイル23には半球面外周部42の磁性体も対向することになる。すると,磁性体はコイルからの磁束を集め,インダクタンスを急激に大にするのでインダクタンスの変化は容易に検知可能となる。
【0030】
図5は本発明の第三の実施例を示し,第一の実施例で示した傾斜検知部12に識別制御通信部を付加してそれぞれ電柱11に固定配置し,中央の制御装置に通信で報告する構成である。同図に於いて,個々の電柱11には傾斜検知制御部51,52,53を固定配置する。傾斜検知制御部52の構成を示すようにそれぞれ第一の実施例に於ける傾斜検知部12に加えて識別制御通信部54を付加して構成する。識別制御通信部54は傾斜に対応する出力を受けて傾斜が正常範囲内であるか否かを識別判断し,適宜電柱の識別アドレスを添えて中央の制御装置56に送信する。送信手段は電柱11の関係する電線55に高周波信号を重畳しても無線でも良い。
【0031】
中央の制御装置56は受信部57,制御部58,表示部59等で構成され,送信された傾斜に関する信号を受けて表示或いは記憶等の処理を行う。
【0032】
第一,第二の実施例で説明した傾斜検知部は何れも傾斜量をコイルと導体或いは磁性体との距離に変えてインダクタンス変化として検知する。他に液体中の気泡移動を光出力変化として検知する方法,磁石の移動量を磁束センサで検知する方法,或いは圧力センサを用いる方法等数多くの手段は存在する。しかしながら,環境変化の厳しい電柱上での長期間使用を考慮するとセンシティブな素子,或いは微細な半導体集積回路を用いる方法には不安が残り,上記実施例で提案したインダクタンス変化利用の傾斜検知部が適している。もちろん,上記に説明した他に本発明の趣旨に沿って種々の変形,改良は可能であり,また請求項1,2,3,9等に示す装置では傾斜検知部の動作原理の種別には依存しないので実施例として説明した以外の動作原理に基づく傾斜検知部を用いても低コストでの電柱の傾斜異常検出装置を実現できる。
【0033】
【発明の効果】
以上,実施例を用いて説明したように本発明の電柱の傾斜異常検出装置に依れば,個々の電柱に固定配置する機器は傾斜検知に必要な最小限とし,大部分を共用とすることで低コスト化可能な電柱の傾斜異常検出装置と出来る。また傾斜検知部は非接触で且つ一つの検出コイルのインダクタンス検知とし,さらにインダクタンス変化情報を含む発振出力をそのまま送信する構成で低コストで耐候性に優れた装置実現を可能にする。
【図面の簡単な説明】
【図1】本発明の第一の実施例の構成概要を示す。
【図2】第一の実施例に於ける傾斜検知部,識別表示部の構成を示す。
【図3】第一の実施例に於ける傾斜検知の原理を説明するための図である。
【図4】本発明の第二の実施例の傾斜検知部を示す。
【図5】本発明の第三の実施例の構成概要を示す。
【符号の説明】
11・・・電柱,           12・・・傾斜検知部,
13・・・微弱電磁波,        14・・・識別表示部,
15・・・保守管理者,
21・・・半球状容器,        22・・・導体球,
23・・・検出コイル,        24・・・オイル,
25・・・太陽電池,         26・・・発振回路,
27・・・受信部,          28・・・識別制御部,
29・・・表示部,          2a・・・電池,
2b・・・GPS受信部,       2c・・・メモリ,
31・・・段差部           32・・・内周側半球面,
33・・・外周側半球面,       22’・・・導体球22の位置,
34,35・・移動した導体球,
41・・・容器,           42・・・半球面外周部,
43・・・半球面中央部,       44・・・錘を吊すロープ,
45・・・オイル,          46・・・錘の動く方向,
51,52,53・・傾斜検知制御部, 54・・・識別制御通信部,
55・・・電線,           56・・・中央の制御装置,
57・・・受信部,          58・・・制御部,
59・・・表示部
[0001]
[Industrial applications]
The present invention relates to an apparatus for detecting anomalous inclination of a telephone pole, and more particularly to an inexpensive apparatus for detecting anomalous inclination of an electric pole which is fixedly arranged on an individual electric pole and capable of detecting the inclination abnormality.
[0002]
[Prior art]
So-called electric poles are installed everywhere in the town as pillars for power lines or communication lines. However, they may be tilted and collapsed by the effects of wind, earthquake, or ground deformation. Has been done. An effective means for these purposes is to arrange and monitor tilt detectors on individual utility poles. However, it is too costly to arrange tilt detectors currently on the market for individual utility poles. There is. In addition, it is necessary to provide a tilt detector with excellent weather resistance in order to fix it on a utility pole exposed to the weather.
[0003]
[Problems to be solved by the invention]
SUMMARY OF THE INVENTION It is an object of the present invention to provide and realize a low-cost and excellent weather resistance inclination detecting device for utility poles.
[0004]
[Means for Solving the Problems]
In accordance with the present invention, a tilt detecting unit for outputting a signal corresponding to at least a tilt is fixedly arranged on each of the poles, and the tilt is displayed by a communication means. A device that can reduce the entire cost is realized by sharing the part to be checked.
[0005]
More specifically, as described in claim 2, the display unit is configured to be portable, and the communication means is a weak electromagnetic wave or light modulation output that enables transmission in an area close to the telephone pole, and the communication unit is located close to each telephone pole. It is constructed at low cost as a utility pole inclination abnormality detection device that displays and confirms the inclination abnormality in the area.
[0006]
In another specific configuration example, each of the electric poles has an identification control unit and a communication unit in addition to the inclination detection unit as described in claim 3. Send it to the control device to check the display.
[0007]
As a specific configuration example of the tilt detecting section, a conductor sphere or a magnetic sphere is arranged in a hemispherical container opened upward, and a coil is arranged at the bottom of the hemispherical container, as described in claim 4. It detects that the conductive ball or the magnetic ball rolls due to the inclination of the container and changes the inductance of the coil.
[0008]
According to a fifth aspect of the present invention, a step is provided in the hemispherical surface of the hemispherical container, and the inclination of the hemispherical container is set such that the distance over which the conductive sphere or the magnetic sphere rapidly moves from the bottom of the hemispherical surface is increased. In the detection of the inclination abnormality of the telephone pole, the presence or absence of the abnormality is identified based on whether the inclination is equal to or more than a predetermined angle.
[0009]
Claim 6 defines another specific configuration of the tilt detection unit. A weight composed of a conductor or a magnetic body is suspended above the coil so as to be swingable, and the inductance of the coil is changed by changing the distance between the coil and the conductor or the magnetic body in accordance with the inclination of the entire tilt detection unit. .
[0010]
According to a seventh aspect of the present invention, in the configuration of the sixth aspect, the center of the hemisphere and the outer periphery of the hemisphere of the weight opposing directly above the coil are formed of a combination of a conductor and a magnetic material, and the inductance change is increased at an inclination of a predetermined angle or more. , Easy identification.
[0011]
According to an eighth aspect of the present invention, in the fourth or sixth aspect, a change in the inductance of the coil in the inclination detecting section is output as a change in oscillation frequency using an oscillation circuit having the coil as a part, and the oscillation output is converted into a weak electromagnetic wave. Alternatively, light can be modulated and output with the oscillation output, and can be received within a short distance immediately below the telephone pole, thereby realizing a telephone pole inclination abnormality detection device at low cost.
[0012]
A ninth aspect of the present invention specifies an apparatus for improving the identification accuracy of the power pole inclination abnormality detecting device according to the second aspect and facilitating the management of the inclination data for each power pole. That is, in addition to the identification control unit and the display unit, a position detection identification unit for recognizing individual telephone poles from their positions, for example, a GPS receiving unit and a memory is configured to be portable, and a tilt detection unit is provided for each recognized telephone pole. The output of the tilt information is stored in a memory so that the tilt state of the utility pole can be stored in a time series, and the accuracy of the tilt abnormality identification is improved.
[0013]
[Action]
The equipment that is fixedly arranged on each telephone pole is the minimum required for inclination detection, and the majority of the equipment is shared, making it possible to reduce the cost of the telephone pole by detecting anomalies. Further, the tilt detecting section is configured to detect the inductance of one detection coil in a non-contact manner and to transmit the oscillation output including the inductance change information as it is, thereby realizing a low-cost and highly weather-resistant device.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of the present invention will be described with reference to the drawings.
[0015]
FIG. 1 shows a schematic configuration of a first embodiment of the present invention. A tilt detection unit is fixedly arranged above the telephone pole, and the identification display unit is configured to be portable, and a tilt abnormality is individually detected for each telephone pole. In the figure, the inclination detecting unit 12 is fixedly arranged at a high position of each telephone pole 11 that is less likely to be damaged by various things on the ground, and can receive an output corresponding to the inclination of the telephone pole 11 immediately below the telephone pole 11. Is transmitted by the weak electromagnetic wave 13. The maintenance manager 15 has the identification display unit 14 configured to be portable, receives the weak electromagnetic wave 13 immediately below each telephone pole 11, and checks whether or not there is a tilt abnormality.
[0016]
FIG. 2 is a diagram for further explaining the configurations of the tilt detection unit 12 and the identification display unit 14 in the first embodiment. The tilt detector 12 has a conductive sphere 22 in a hemispherical container 21 opened upward as shown in a sectional view, and has one detection coil 23 in the center of the bottom of the hemispherical container 22. Reference numeral 26 denotes an oscillating circuit of which the detection coil 23 is a part. Reference numeral 25 denotes a solar cell for operating the oscillating circuit 26, and reference numeral 24 denotes oil sealed for damping the movement of the conductive ball 22. ing. The identification display unit 14 configured to be portable includes a reception unit 27 for the weak electromagnetic wave 13, an identification control unit 28, a display unit 29, a battery 2a, a GPS reception unit 2b, a memory 2c, and the like.
[0017]
When the inclination detector 12 fixed to the utility pole 11 is inclined, the conductive sphere 22 rolls in the hemispherical container 21 and the distance to the detection coil 23 increases, so that the inductance of the detection coil 23 increases. Since the amount of inclination is important regardless of the inclination direction, the abnormality detection of the electric pole 11 is configured with only one detection coil 23. The oscillation circuit 26 always oscillates while the current is supplied from the solar cell 25, and its oscillation frequency depends on the inductance of the detection coil 23, so that the oscillation frequency becomes lower in accordance with the inclination of the inclination detector 12. The oscillation output of the oscillation circuit 26 flows through the detection coil 23 and leaks from the detection coil 23 as weak electromagnetic waves 13 below the utility pole 11.
[0018]
The reception unit 27 of the identification display unit 14 receives the weak electromagnetic wave 13 to generate a pulse, and the identification control unit 28 receives the pulse output from the reception unit 27, counts the pulse interval with a pulse train of minute time intervals, and identifies the frequency. Then, the presence / absence of the inclination abnormality of the telephone pole 11 is identified and displayed on the display unit 29 to be recognized by the maintenance manager 15.
[0019]
In the process of identifying the inclination abnormality, the identification control unit 28 identifies the telephone pole 11 from the latitude and longitude information of the GPS receiving unit 2b, stores the identification information and the inclination information of the telephone pole 11 in the memory 2c, and stores the past time series. The identification information is improved by comparing and referencing the inclination information. It is also possible to pre-determine the identification information of each telephone pole and arrange it together with the inclination detection unit so that the identification control unit 28 can recognize it. However, by slightly increasing the cost of the identification display unit 14, which is a common unit, the overall cost can be reduced. It is better to suppress. Further, it is not preferable to dispose a delicate semiconductor integrated circuit element for each utility pole 11 in order to improve weather resistance, and it is desirable to configure the minimum number of circuit elements as in the above configuration.
[0020]
FIG. 3 is a diagram for explaining the operation of the inclination detecting unit 12 in the first embodiment in more detail, and shows a cross section of the hemispherical container 21, the conductive sphere 22, the detection coil 23, and the like. In the figure, the hemispherical container 21 is further enlarged and shown in detail, and the hemispherical surface is constituted by an inner peripheral side hemispherical surface 32 and an outer peripheral side hemispherical surface 33 with a step portion 31 as a boundary. Is shown. When the radius of curvature of the inner hemispherical surface 32 is small and the inclination is small, the amount of movement of the conductive sphere 22 is small, and thus the inductance change of the detection coil 23 is small. Since the radius of curvature of the outer hemisphere 33 is large, the amount of movement of the conductive sphere 22 is suddenly increased when the inclination exceeds a certain angle and exceeds the step 31.
[0021]
3 (a) shows a case where there is almost no inclination, FIG. 3 (b) shows a case where the inclination is small, and FIG. 3 (c) shows a case where the inclination is large. 3A, and the numeral 22 'indicates the position of the conductive sphere 22 in FIG.
[0022]
As shown in FIG. 3C, when the inclination exceeds a certain level, the amount of movement of the conductive sphere 22 increases rapidly, and the change in inductance and consequently the change in oscillation frequency also increase. It is necessary to determine whether or not the inclination of the utility pole 11 is within the allowable range. However, by adopting such a structure, the allowable range of the variation of the individual inclination detecting units 12 can be increased and the low Contribute to cost reduction.
[0023]
Another method for improving the resolution by increasing the output change with respect to the tilt amount is to localize the magnetic flux distribution generated by the coil 23. A magnetic material is used to concentrate the magnetic flux distribution at the center or the outer periphery of the coil 23, and the coil 23 generates high-frequency magnetic flux. Is disposed between the coil 23 and the conductive ball 22. Since these are known techniques, detailed description will be omitted.
[0024]
The oil 24 sealed in the hemispherical container 21 together with the conductive spheres 22 damps the movement of the conductive spheres 22. Most of the electric poles 11 are arranged near the road, and the vehicles pass nearby and give large and small vibrations, and the electric poles 11 are vibrated by wind, earthquake, or the like. Each time vibration is applied to the utility pole 11 and the inclination detecting unit 12, the conductive sphere 22 tries to roll in the hemispherical container 21. The change in the inductance due to such vibration can be processed by an electronic circuit or other method by processing the output of the inclination detecting section 12 to have a small effect on the identification judgment of the inclination. It is more cost-effective to add damping to the movement of 22. Although the viscosity of the oil 24 changes depending on the temperature, if the time constant of the movement of the conductive ball 22 is set to be within several tens of minutes, there is no problem in determining whether the inclination is abnormal.
[0025]
Further, when the oil 24 and the conductive ball 22 are sealed in the hemispherical container 21, the volume of the oil 24 fluctuates due to the temperature rise and fall, so that an excessive force is applied to the hemispherical container 21 and oil leakage and other troubles may occur. is there. To avoid this, a part of the lid of the hemispherical container 21 is made of a flexible material so as to absorb the expansion and contraction of the oil 24 due to temperature.
[0026]
In the first embodiment, the configuration is such that the conductive ball 22 rolls with the inclination. A magnetic ball may be used instead of the conductive ball, in which case the relationship between the amount of tilt and the amount of change in inductance is reversed. Although the magnetism of the magnetic sphere is easily affected by temperature, the amount of change in inductance can be made larger than that of the conductive sphere, and is selected from the installation environment and the required sensitivity.
[0027]
Further, the communication means from the inclination detection unit 12 to the identification display unit 14 is configured as the weak electromagnetic wave 13, but the communication output means may be configured to drive and blink the LED with the oscillation output of the oscillation circuit 26 and to communicate near the telephone pole 11. I can do it. Good communication can be expected even in daytime by setting the LED emission color to a specific color or a combination thereof and using a color filter on the receiving side.
[0028]
FIG. 4 shows a different configuration of the tilt detector 12 as a second embodiment of the present invention. In the figure, a conductor is arranged at a hemispherical center 43 facing a coil 23 of a weight suspended on the coil 23, and a magnetic body is arranged at a hemispherical outer periphery 42 which is not facing the coil 23 in a normal state. It is. These are configured to be axially symmetric about the rope 44, and the cross section is shown in the figure. The other configuration is the same as the example shown in FIG. Numeral 41 indicates a container, numeral 44 indicates a rope for suspending the weight, numeral 45 indicates oil for damping the movement of the weight, and number 46 indicates the direction in which the weight moves with inclination.
[0029]
When the inclination detecting portion 12 fixed to the utility pole 11 is inclined, the weight composed of the conductor and the magnetic material is inclined, but when the inclination is small, the hemispherical central portion 43 composed of the conductor continues to face the coil 23. Therefore, the change in inductance is small. However, when the inclination becomes large, the central portion 43 of the hemispherical surface made of a conductor is displaced from directly above the coil 23, and the magnetic material of the outer peripheral portion 42 of the hemispherical surface also faces the coil 23. Then, the magnetic material collects the magnetic flux from the coil and rapidly increases the inductance, so that the change in the inductance can be easily detected.
[0030]
FIG. 5 shows a third embodiment of the present invention, in which an identification control communication unit is added to the tilt detection unit 12 shown in the first embodiment, and each is fixedly arranged on a telephone pole 11, and communicates with a central control device. It is a configuration to report. In FIG. 1, inclination detection controllers 51, 52, and 53 are fixedly arranged on the individual utility poles 11. As shown in the configuration of the inclination detection control unit 52, the identification control communication unit 54 is added to the inclination detection unit 12 in the first embodiment. The identification control communication unit 54 receives the output corresponding to the inclination, determines whether or not the inclination is within the normal range, and transmits it to the central control device 56 with the identification address of the telephone pole as appropriate. The transmitting means may be a radio frequency signal superimposed on the electric wire 55 related to the telephone pole 11 or may be wireless.
[0031]
The central control unit 56 includes a reception unit 57, a control unit 58, a display unit 59, and the like, and performs processing such as display or storage upon receiving the transmitted signal regarding the inclination.
[0032]
Each of the inclination detectors described in the first and second embodiments detects the change in inductance by changing the amount of inclination to the distance between the coil and the conductor or the magnetic material. There are many other methods such as a method of detecting the movement of bubbles in a liquid as a change in light output, a method of detecting the amount of movement of a magnet with a magnetic flux sensor, and a method of using a pressure sensor. However, considering long-term use on utility poles that are subject to severe environmental changes, the method of using sensitive elements or fine semiconductor integrated circuits remains uncertain, and the inclination detector using inductance change proposed in the above embodiment is suitable. ing. Of course, in addition to the above, various modifications and improvements can be made in accordance with the gist of the present invention. Since it does not depend on this, even if an inclination detecting unit based on an operating principle other than that described in the embodiment is used, a low-cost electric pole inclination abnormality detecting device can be realized.
[0033]
【The invention's effect】
As described above using the embodiment, according to the apparatus for detecting anomalous inclination of a utility pole of the present invention, the equipment fixed to each utility pole is minimized for the inclination detection and most of the equipment is shared. In this way, it is possible to obtain a telephone pole inclination abnormality detection device that can be reduced in cost. Further, the tilt detecting section is configured to detect the inductance of one detection coil in a non-contact manner and to transmit the oscillation output including the inductance change information as it is, thereby realizing a low-cost and highly weather-resistant device.
[Brief description of the drawings]
FIG. 1 shows a configuration outline of a first embodiment of the present invention.
FIG. 2 shows a configuration of a tilt detection unit and an identification display unit in the first embodiment.
FIG. 3 is a diagram for explaining the principle of tilt detection in the first embodiment.
FIG. 4 shows a tilt detector according to a second embodiment of the present invention.
FIG. 5 shows a configuration outline of a third embodiment of the present invention.
[Explanation of symbols]
11 ... telephone pole, 12 ... inclination detector,
13 ... weak electromagnetic wave, 14 ... identification display part,
15 ... maintenance manager,
21: hemispherical container, 22: conductive sphere,
23 ... detection coil, 24 ... oil,
25 solar cell 26 oscillation circuit
27: receiving unit, 28: identification control unit,
29: display unit, 2a: battery,
2b ... GPS receiver, 2c ... memory,
31: stepped portion 32: inner semi-spherical surface,
33: outer peripheral side hemisphere, 22 ': position of conductive sphere 22,
34, 35 ··· The moved conductive sphere,
41 ... container, 42 ... hemispherical outer periphery,
43 ... central part of hemisphere, 44 ... rope for hanging weight
45 ... oil, 46 ... the direction in which the weight moves,
51, 52, 53... Inclination detection control unit, 54... Identification control communication unit,
55 ... electric wire, 56 ... central control device,
57 ... receiving unit, 58 ... control unit,
59 ・ ・ ・ Display unit

Claims (9)

傾斜に応じた信号を出力する傾斜検知部と,傾斜異常有無を判断する識別制御部と,傾斜異常有無の表示部と,それらの間の通信手段とで構成され,少なくとも傾斜検知部を地上の諸物から損傷を受ける恐れの少ない電柱の高所に固定配置すると共に表示部を複数の電柱間で共用として,低コスト構成を可能にした電柱の傾斜異常検出装置It consists of a tilt detector that outputs a signal according to the tilt, an identification controller that determines the presence or absence of a tilt error, a display unit that displays the presence or absence of a tilt error, and communication means therebetween. Anomaly detection system for poles that is fixed at a high place on poles that are less likely to be damaged by various objects, and has a display unit shared by multiple poles, enabling low-cost configuration. 請求項1記載の電柱の傾斜異常検出装置に於いて,通信手段は微弱電磁波或いは光変調出力とし,共用の表示部を携帯可能に構成して個々の電柱直下の至近距離内でそれぞれの電柱の傾斜異常を表示確認する事として低コスト構成を可能にした電柱の傾斜異常検出装置2. The apparatus according to claim 1, wherein the communication means is a weak electromagnetic wave or a light modulation output, and a common display unit is configured to be portable so that each of the power poles is located within a short distance immediately below each power pole. Anomaly detection system for utility poles that enables low-cost configuration by displaying and confirming anomalies 請求項1記載の電柱の傾斜異常検出装置に於いて,それぞれの電柱上に傾斜検知部に加えて識別制御部をも固定配置し,傾斜異常有無を識別判断した結果を電柱固有の識別アドレスと共に無線或いは電線重畳等の通信手段により中央の表示部に送信することを特徴とする電柱の傾斜異常検出装置2. The apparatus according to claim 1, wherein an identification control unit is fixedly arranged on each of the electric poles in addition to the inclination detection unit, and the result of discriminating and judging the presence or absence of the inclination together with an identification address unique to the electric pole. An electric pole inclination abnormality detection device, wherein the transmission is transmitted to a central display unit by a communication means such as wireless or electric wire superimposition. 請求項1記載の電柱の傾斜異常検出装置に於いて,傾斜検知部は上方に開いている半球状容器と,半球状容器内に転動可能に収容された導体球或いは磁性体球と,半球状容器底部に配置されたコイルと,コイルのインダクタンス検知部とより構成され,電柱に固定された半球状容器の傾斜により導体球或いは磁性体球が転動して変化するコイルのインダクタンスに対応した信号を出力することを特徴とする電柱の傾斜異常検出装置2. The apparatus according to claim 1, wherein the inclination detecting unit includes a hemispherical container that is open upward, a conductive ball or a magnetic ball that is rollably accommodated in the hemispherical container, and a hemisphere. It consists of a coil arranged at the bottom of the container and an inductance detecting part of the coil. It corresponds to the inductance of the coil, which changes as the conductive sphere or magnetic sphere rolls due to the inclination of the hemispherical container fixed to the utility pole. Signal pole output abnormality detection device characterized by outputting a signal 請求項4記載の電柱の傾斜異常検出装置に於いて,半球状容器は所定以上の傾斜では導体球或いは磁性体球の中心位置からの移動量が急激に大となるよう段差を有する半球面構造とし,傾斜量を二値的なインダクタンス変化として検出容易とする電柱の傾斜異常検出装置5. The apparatus according to claim 4, wherein the hemispherical container has a stepped surface so that the amount of movement of the conductive sphere or the magnetic sphere from the center position is rapidly increased when the inclination is more than a predetermined angle. Anomaly detection system for utility pole that makes it easy to detect the amount of inclination as a binary inductance change 請求項1記載の電柱の傾斜異常検出装置に於いて,傾斜検知部はコイルと,コイル真上に揺動可能に吊された導体或いは磁性体よりなる錘と,コイルのインダクタンス検知部とより構成され,電柱に固定された傾斜検知部の傾斜により導体或いは磁性体よりなる錘が揺動して変化するコイルのインダクタンスに対応した信号を出力することを特徴とする電柱の傾斜異常検出装置2. The apparatus according to claim 1, wherein the inclination detecting unit includes a coil, a weight made of a conductor or a magnetic material suspended above the coil so as to swing, and an inductance detecting unit of the coil. And detecting a tilt corresponding to an inductance of a coil which is changed by swinging a weight made of a conductor or a magnetic material due to the tilt of a tilt detector fixed to the pole. 請求項6記載の電柱の傾斜異常検出装置に於いて,コイル真上に揺動可能に吊された錘のコイルに対向する半球面中央部及び半球面外周部を導体及び磁性体の組み合わせで構成し,所定以上の傾斜量でインダクタンスを急激に変化させて傾斜量を二値的なインダクタンス変化として検出容易とする電柱の傾斜異常検出装置7. The apparatus according to claim 6, wherein the center of the hemisphere and the outer periphery of the hemisphere opposing the coil of the weight suspended swingably above the coil are formed by a combination of a conductor and a magnetic material. A device for detecting anomalies in the inclination of utility poles that makes it easy to detect the amount of inclination as a binary inductance change by rapidly changing the inductance at an amount of inclination equal to or greater than a predetermined amount. 請求項4或いは6記載の電柱の傾斜異常検出装置に於いて,コイルのインダクタンス検知部はコイルのインダクタンスにより周波数を変える発振回路で構成し,通信手段は発振回路出力を微弱電磁波として或いは発振回路出力で発光素子を駆動して光変調出力とし,識別制御部及び表示部は携帯可能に構成して個々の電柱の至近に於いてそれら微弱電磁波或いは光変調出力を受けて個々の電柱の傾斜異常を識別表示することを特徴とする電柱の傾斜異常検出装置7. An apparatus according to claim 4, wherein said coil inductance detecting section comprises an oscillation circuit for changing the frequency by the coil inductance, and said communication means outputs the oscillation circuit as a weak electromagnetic wave or outputs the oscillation circuit. The light emitting element is driven to generate light modulation output, and the discrimination control unit and the display unit are configured to be portable, and receive the weak electromagnetic wave or light modulation output in the vicinity of each pole to detect the abnormal inclination of each pole. Characteristic tilt detection device for utility pole characterized by identification display 請求項2記載の電柱の傾斜異常検出装置に於いて,識別制御部及び表示部に加えて個々の電柱をその位置から認識する位置検知識別部及びメモリとを携帯可能に構成し,認識した個々の電柱毎に傾斜検知部の傾斜情報出力をメモリに記憶し,時系列的に電柱の傾斜状態を記憶可能にすると共に傾斜異常識別の精度向上或いは関連データ管理を容易にする事を特徴とする電柱の傾斜異常検出装置3. The apparatus according to claim 2, further comprising, in addition to the identification control unit and the display unit, a position detection identification unit and a memory for recognizing the individual power pole from its position, and a portable unit. The inclination information output of the inclination detector is stored in the memory for each electric pole, and the inclination state of the electric pole can be stored in time series, and the accuracy of inclination abnormality identification is improved or related data management is facilitated. Anomaly detector for telephone pole inclination
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JP2009500615A (en) * 2005-07-07 2009-01-08 ツェットエフ フリードリヒスハーフェン アクチエンゲゼルシャフト Automotive fittings
JP2007079669A (en) * 2005-09-12 2007-03-29 Morioka Seiko Instruments Inc Radio equipment
JP2016500807A (en) * 2013-08-16 2016-01-14 コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. System and method for detecting physical deformation of pillars
US9983313B2 (en) 2013-08-16 2018-05-29 Philips Lighting Holding B.V. System and method for detecting physical deformation of a pole
US9892638B2 (en) 2014-01-02 2018-02-13 Philips Lighting Holding B.V. Lighting unit, fixture and newtork
CN105981084A (en) * 2014-01-02 2016-09-28 飞利浦灯具控股公司 Lighting unit, fixture and network
WO2015101647A1 (en) * 2014-01-02 2015-07-09 Koninklijke Philips N.V. Lighting unit, fixture and network
WO2015113765A1 (en) * 2014-01-31 2015-08-06 S.M.S. Smart Microwave Sensors Gmbh Sensor device
EP2902802A1 (en) * 2014-01-31 2015-08-05 S.M.S. Smart Microwave Sensors GmbH Sensor device
US10192431B2 (en) 2014-01-31 2019-01-29 S.M.S Smart Microwave Sensors Gmbh Sensor device
CN105761448A (en) * 2014-09-27 2016-07-13 谢安军 Electric power transmission inclination pre-alarm telegraph pole
CN104295148A (en) * 2014-09-27 2015-01-21 谢安军 Electric power transmission inclination pre-alarming telegraph pole
JP2016224564A (en) * 2015-05-27 2016-12-28 東邦電機工業株式会社 Pillar collapse alarm device
JP2017143613A (en) * 2016-02-08 2017-08-17 中国電力株式会社 Short circuit grounding system and short circuit grounding program
CN106123860A (en) * 2016-06-17 2016-11-16 洛阳莱润电力科技有限公司 A kind of electric pole tilt detecting device
JP7563364B2 (en) 2021-11-25 2024-10-08 トヨタ車体株式会社 Building tilt abnormality inspection system

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