JP2706676B2 - Tilt monitoring system - Google Patents
Tilt monitoring systemInfo
- Publication number
- JP2706676B2 JP2706676B2 JP63260313A JP26031388A JP2706676B2 JP 2706676 B2 JP2706676 B2 JP 2706676B2 JP 63260313 A JP63260313 A JP 63260313A JP 26031388 A JP26031388 A JP 26031388A JP 2706676 B2 JP2706676 B2 JP 2706676B2
- Authority
- JP
- Japan
- Prior art keywords
- inclination
- tilt angle
- angle detection
- signal
- circuit
- 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.)
- Expired - Fee Related
Links
Landscapes
- Electric Cable Installation (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Description
【発明の詳細な説明】 ＜産業上の利用分野＞ 本発明は、電柱や鉄塔等の立設体で、架線が布設され
たものの傾きを検出して、事故や危険の防止、各種の管
理を行うための、傾斜監視システムに関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION <Industrial application field> The present invention detects the inclination of an upright body such as a telephone pole or a steel tower, on which an overhead wire is laid, to prevent accidents and dangers, and to perform various managements. The present invention relates to a tilt monitoring system for performing.
＜従来の技術＞ 従来、電柱や鉄塔等のような立設体（立設物）の場
合、老巧化や災害、あるいは地盤沈下等により、経時的
にあるいは突然大きく傾き、危険な状態になることがあ
る。従って、このような現象を、的確に把握し、保守す
ることは、災害等の防止上、是非とも必要とされること
である。<Conventional technology> Conventionally, in the case of a standing body (standing object) such as a telephone pole or a steel tower, a dangerous situation occurs due to aging, a disaster, or land subsidence, etc., with time or suddenly large inclination. Sometimes. Therefore, it is absolutely necessary to accurately grasp and maintain such a phenomenon in order to prevent a disaster or the like.
＜発明が解決しようとする課題＞ ところが、現在までのところ、上述したような立設体
にあっては、傾きの検出管理は殆ど行われていない。<Problems to be Solved by the Invention> However, up to now, in the above-described standing body, detection management of the inclination is hardly performed.
と言うのは、航空機やロケット等のような高級な制御
システムの場合、現在、姿勢制御が実施されているが、
これらの場合、コストを度外視しても必要不可欠のもの
であるのに対して、上記した電柱や鉄塔等の立設体の場
合には、今のところ、導入に適した傾斜角発信器が提供
されていないこと、信号線の布設が必要とされこと等の
理由が、考えられる。This is because attitude control is currently implemented for high-end control systems such as aircraft and rockets.
In these cases, it is indispensable even if the cost is neglected, but in the case of the above-mentioned standing bodies such as telephone poles and steel towers, at the moment, a tilt angle transmitter suitable for introduction is provided. It is possible that the connection is not performed or that the signal lines need to be laid.
本発明は、このような従来の実情の鑑みてなされたも
のであり、その目的とすることろは、簡便な傾斜角発信
器の提供と、立設体の架線自体の利用とにより、低コス
トでの傾斜監視システムを提供せんとするにある。The present invention has been made in view of such a conventional situation, and its purpose is to provide a simple tilt angle transmitter and to use the overhead wire itself of a standing body to reduce the cost. To provide a tilt monitoring system.
＜課題を解決するための手段＞ かゝる目的を達成する本発明の傾斜監視システムは、
架線が布設された立設体に傾斜角発信器を設置し、その
検出信号を前記立設体の架線を通じて、管理局に伝送し
てモニタするものである。<Means for Solving the Problems> The tilt monitoring system of the present invention that achieves such an object includes:
A tilt angle transmitter is installed on an upright body on which an overhead wire is laid, and the detection signal is transmitted to a management station and monitored through the overhead wire of the upright body.
より具体的には、架線302、302が布設された立設体30
1に、半導体加速度センサからなる傾斜角検出センサ
１、同様の半導体加速度センサからなる複数個の傾斜角
検出センサ1A〜1B、又は半導体２次元加速度センサから
なる傾斜角検出センサ1Cの駆動電流を前記架線302、302
からの通電によって供給する電源３と、該電源３の電圧
を前記傾斜角検出センサ１、1A〜1Cに定電圧として供給
するための定電圧ダイオード６を備えてなる定電圧回路
４と、前記傾斜角検出センサ１、1A〜1Cからの傾斜角検
出信号を増幅させるための増幅器８と、前記増幅された
傾斜角検出信号が入力されると共に、可変抵抗13を備
え、該可変抵抗13の操作により前記傾斜角検出信号の正
常時の出力を調整するためのオフセット回路11と、該オ
フセット回路11の前記立設体301の１、又は複数方向の
傾きに対応した比例値が入力されると共に、これらの比
例値を演算によって、前記立設体301の傾きの大きさ信
号として、及び／又は該立設体301の傾きの方向信号と
して出力させる演算回路16と、該演算回路16による、前
記立設体301の傾きの大きさ信号、及び／又は該立設体3
01の傾きの方向信号が入力されると共に、これらの信号
をコレクタ電流の形で出力させるトランジスタ15を備え
た電流変調回路14とからなる傾斜角発信器304設置し、
前記立設体301の傾きの大きさ信号、及び／又は該立設
体301の傾きの方向信号を該立設体301の架線302、302を
通じて、管理局303に伝送してモニタする傾斜監視シス
テムにある。More specifically, the standing body 30 on which the overhead lines 302 and 302 are laid
1, the drive current of the inclination angle detection sensor 1 composed of a semiconductor acceleration sensor, the plurality of inclination angle detection sensors 1A to 1B composed of the same semiconductor acceleration sensor, or the driving current of the inclination angle detection sensor 1C composed of a semiconductor two-dimensional acceleration sensor, Overhead wire 302, 302
A constant-voltage circuit 4 including a power supply 3 supplied by energization from the power supply, a constant-voltage diode 6 for supplying a voltage of the power supply 3 to the inclination angle detection sensors 1 and 1A to 1C as a constant voltage, An amplifier 8 for amplifying the inclination angle detection signals from the angle detection sensors 1 and 1A to 1C, and the amplified inclination angle detection signal are input, and a variable resistor 13 is provided. An offset circuit 11 for adjusting the output of the tilt angle detection signal in a normal state, and a proportional value corresponding to the tilt of one or a plurality of directions of the standing body 301 of the offset circuit 11 are input, and An arithmetic circuit 16 that outputs the proportional value of the angle as a magnitude signal of the inclination of the upright body 301 and / or as a direction signal of the inclination of the upright body 301 by the arithmetic circuit 16; The magnitude signal of the tilt of the body 301, Beauty / or the standing 設体 3
A tilt angle transmitter 304 including a current modulation circuit 14 including a transistor 15 that outputs a direction signal having a tilt of 01 and a transistor 15 for outputting these signals in the form of a collector current is installed.
An inclination monitoring system for transmitting and monitoring the magnitude signal of the inclination of the standing body 301 and / or the direction signal of the inclination of the standing body 301 to the management station 303 through the overhead lines 302 and 302 of the standing body 301. It is in.
そして、上記傾斜角発信器304には、半導体製造技術
により製造された、小型で低コスト、さらに取り扱い易
い簡便な、１次元または多次元の加速度センサを用いた
ものである。The tilt angle transmitter 304 uses a small, low-cost, easy-to-handle and simple one-dimensional or multidimensional acceleration sensor manufactured by semiconductor manufacturing technology.
＜作用＞ 本傾斜監視システムでは、立設体301の傾きが傾斜角
発信器304により、的確に検出され、この検出信号が立
設体301の架線302、302を通じて伝送される。このた
め、低コストで、立設体301の傾斜監視を行うことがで
きる。<Operation> In the present tilt monitoring system, the tilt of the standing body 301 is accurately detected by the tilt angle transmitter 304, and this detection signal is transmitted through the overhead lines 302, 302 of the standing body 301. Therefore, the inclination of the standing body 301 can be monitored at low cost.
＜実施例＞ 第１図は本発明に係る傾斜監視システムの一実施例を
示したものである。<Embodiment> FIG. 1 shows an embodiment of a tilt monitoring system according to the present invention.
図中、301は立設体としての電話用電柱で、この電柱3
01、301間には電話線302が架線として布設されている。
この電話線302は、適宜箇所で電話局303に引き込まれ
る。本発明では、例えば、この電話局303を管理局とし
て利用する。In the figure, reference numeral 301 denotes a telephone pole as a standing body.
A telephone line 302 is laid between 01 and 301 as an overhead line.
The telephone line 302 is led to the telephone office 303 at an appropriate place. In the present invention, for example, the telephone station 303 is used as a management station.
上記電柱301には、例えば第２図に示したように、傾
斜角発信器304が設置される。On the telephone pole 301, for example, as shown in FIG. 2, a tilt angle transmitter 304 is installed.
この傾斜角発信器304の内部構成は、第３図に示した
如くで、電柱301に設置される傾斜角検出センサと、こ
の検出センサ１からの検出信号を処理する処理回路２と
からなる。The internal configuration of the tilt angle transmitter 304 is, as shown in FIG. 3, composed of a tilt angle detection sensor installed on the telephone pole 301, and a processing circuit 2 for processing a detection signal from the detection sensor 1.
本傾斜角検出センサ１は、重力の作用により電柱301
の傾きを検出できるものであれば、原則的に使用可能で
あるが、例えば第４図に示した如きシリコンを素材とし
た半導体加速度センサの使用が好ましい。この加速度セ
ンサ１は、例えば、シリコン基板101等の中央部を、梁
部102を介して延びた重り部103を残してくりぬき、この
重り部103の動きをフリーにすると共に、梁部102の上面
等に歪みゲージ回路104を設けてなり、電柱301が傾いた
ときの重り部103の動きにより、傾きを検出するもので
ある。これを、最近の半導体製造技術等により製造すれ
ば、極めて小型の簡単な半導体素子得られる。The present inclination angle detection sensor 1 uses a utility pole 301 by the action of gravity.
In principle, any sensor can be used as long as it can detect the inclination of the sensor. However, for example, a semiconductor acceleration sensor made of silicon as shown in FIG. 4 is preferably used. The acceleration sensor 1 is formed by, for example, hollowing out a center portion of a silicon substrate 101 or the like except for a weight portion 103 extending through a beam portion 102, thereby making the movement of the weight portion 103 free and an upper surface of the beam portion 102. And the like, a strain gauge circuit 104 is provided, and the inclination is detected by the movement of the weight portion 103 when the electric pole 301 is inclined. If this is manufactured by a recent semiconductor manufacturing technique or the like, an extremely small and simple semiconductor element can be obtained.
この傾斜角検出センサ１には、第３図において明らか
ように、外部の電源３、例えば電話の駆動用電力を使用
し、電話線302、302から、給電線ｌ１〜２、およびダイ
オード５、定電圧ダイオード６、オペアンプ７等からな
る定電流回路４を通じて、駆動電流が供給される。As shown in FIG. 3, the tilt angle detection sensor 1 uses an external power supply 3, for example, a telephone driving power, and feeds power lines l 1-2 , a diode 5, A drive current is supplied through a constant current circuit 4 including a constant voltage diode 6, an operational amplifier 7, and the like.
この傾斜角検出センサ１からの傾斜角検出信号は、オ
ペアンプ９、オペアンプ10からなる増幅回路８により増
幅され、この増幅信号はオフセット回路11のオペアンプ
12に入力される。このオフセット回路11では、例えば可
変抵抗13により、電柱301の正常時（非傾斜時）の出力
を適宜値に調整する。このオフセット回路11のオペアン
プ12からの出力は、電柱301の傾きに対応した比例値と
して出力され、電流変調回路14のトランジスタ15のベー
スに入力されるため、電柱301の傾きに対応した傾斜角
信号（例えば危険信号等）が、信号線l3を通じて、例え
ば一方の電話線302に伝送される。この電話線302により
伝送された傾斜角信号は、電話局303でモニタされる。
なお、上記検出センサ１を多数の電柱301に設置した場
合には、適宜弁別手段を傾斜角発信器304および電話局
側装置に組み込むようにするとよい。The tilt angle detection signal from the tilt angle detection sensor 1 is amplified by an amplifier circuit 8 including an operational amplifier 9 and an operational amplifier 10.
Entered in 12. In the offset circuit 11, for example, the output of the utility pole 301 in a normal state (non-inclined state) is adjusted to an appropriate value by the variable resistor 13, for example. The output from the operational amplifier 12 of the offset circuit 11 is output as a proportional value corresponding to the inclination of the telephone pole 301, and is input to the base of the transistor 15 of the current modulation circuit 14, so that the inclination angle signal corresponding to the inclination of the telephone pole 301 (eg danger signal) is transmitted via the signal line l 3, for example, one telephone line 302. The tilt angle signal transmitted by the telephone line 302 is monitored by the central office 303.
When the detection sensor 1 is installed on a large number of utility poles 301, the discriminating means may be appropriately incorporated into the tilt angle transmitter 304 and the telephone station side device.
上記傾斜角検出センサ１が１個の傾斜角発信器304で
は、電柱301の一方向の傾きしか分からないので、より
好ましくは、傾斜角検出センサ１を複数個異なる方向に
設置するか、あるいは多次元の歪みを検出できる多次元
歪み検出センサを用いるとよい。In the case of one inclination angle transmitter 304 having only one inclination angle detection sensor 1, only the inclination in one direction of the electric pole 301 can be known. Therefore, it is more preferable to install a plurality of inclination angle detection sensors 1 in different directions, or It is preferable to use a multidimensional distortion detection sensor that can detect dimensional distortion.
そこで、傾斜角検出センサが２個内蔵された傾斜角発
信器304の一例を示すと、第５図の如くである。この場
合は、基本的には、上記第３図の場合と同様であるが、
２個の傾斜角検出センサ1A、1Bに対応して、２系統の回
路が設けてあり、両検出センサ1A、1Bからの傾斜角信号
は演算回路16により演算され、例えば電柱301の傾きの
大きさと、その方向成分が求められる。そして、これら
の両成分は電流変調回路14、14、信号線l3、l3′を通じ
て、電話線302、302に伝送され、電話局303でモニタさ
れる。FIG. 5 shows an example of the tilt angle transmitter 304 having two built-in tilt angle detection sensors. In this case, it is basically the same as the case of FIG. 3, but
Two circuits are provided in correspondence with the two inclination angle detection sensors 1A and 1B. The inclination angle signals from both the detection sensors 1A and 1B are calculated by the arithmetic circuit 16, and for example, the magnitude of the inclination of the telephone pole 301. And its directional component are determined. Then, these two components are current modulation circuit 14 and 14, via the signal line l 3, l 3 ', is transmitted to the telephone line 302, 302, it is monitored by the central office 303.
また、多次元歪み検出センサ、例えば２次元のものが
傾斜角検出センサとして、用いられた傾斜角発信器304
の一例を示すと、第６図の如くである。この場合は、基
本的には、上記第５図の場合と同様であるが、用いる２
次元歪み検出センサ1Cとしては、例えば第７図に示した
如き構造からなる半導体２次元加速度センサが好まし
い。In addition, a multi-dimensional distortion detecting sensor, for example, a two-dimensional one is used as a tilt angle detecting sensor.
An example is shown in FIG. This case is basically the same as the case of FIG.
As the dimensional distortion detection sensor 1C, for example, a semiconductor two-dimensional acceleration sensor having a structure as shown in FIG. 7 is preferable.
この検出センサ1Cは、例えば、シリコン基板201等の
中央部に、底面側に凹みを設ける等して、ダイヤフラム
盤202を形成し、このダイヤフラム盤202の底面から重り
部203を垂下させ、この重り部203の動きをフリーにする
と共に、ダイヤフラム盤202の上面等の複数箇所には歪
みゲージ回路204、204、205、205が設けてなる。この歪
みゲージ回路は互いに対抗する一対の回路204、204また
は205、205を互いに直行するように配置するとよい。こ
れを、最近の半導体製造技術等により製造すれば、極め
て小型の簡単な半導体素子得られる。This detection sensor 1C forms a diaphragm board 202 by, for example, providing a recess on the bottom side in the center of the silicon substrate 201 or the like, and causes the weight 203 to hang down from the bottom face of the diaphragm board 202. The movement of the part 203 is made free, and strain gauge circuits 204, 204, 205, 205 are provided at a plurality of places such as the upper surface of the diaphragm board 202. In this strain gauge circuit, a pair of opposing circuits 204, 204 or 205, 205 may be arranged so as to be orthogonal to each other. If this is manufactured by a recent semiconductor manufacturing technique or the like, an extremely small and simple semiconductor element can be obtained.
このセンサ1Cでは、重り部103が垂下する形で電柱301
に取り付け、電柱301が傾いたときの重り部103の動きに
よる、ダイヤフラム盤202の２次元的な歪みにより、電
柱301の２次元的な傾きを検出することができる。In this sensor 1C, the electric pole 301
And the two-dimensional distortion of the diaphragm board 202 due to the movement of the weight portion 103 when the electric pole 301 is inclined, the two-dimensional inclination of the electric pole 301 can be detected.
この２次元的な傾きは、上記各一対の歪みゲージ回路
104、104および105、105に対応した２系統の回路系によ
り処理され、第５図の場合と同様、演算回路16、電流変
調回路14、14、信号線l3、l3′を通じて、電話線302、3
02に伝送され、電話局303でモニタされる。The two-dimensional inclination is determined by the pair of strain gauge circuits described above.
It is processed by the circuit system of the two systems corresponding to the 104, 104 and 105, 105, similar to the case of FIG. 5, the arithmetic circuit 16, a current modulator 14 and 14, via the signal line l 3, l 3 ', telephone line 302, 3
It is transmitted to 02 and monitored by the telephone office 303.
なお、上記実施例では、立設体が電柱301の場合であ
ったが、本発明はこれに限定されるものではない。In the above embodiment, the upright body is the telephone pole 301, but the present invention is not limited to this.
＜発明の効果＞ 以上の説明から明らかなように本発明によれば、架線
302、302の布設された電柱や鉄塔等の立設体301の傾き
を、採用し易い、小型で低コストな傾斜角発信器304
と、架線302、302自体を利用して、簡単にモニタできる
低コストの傾斜監視システムを提供することができる。<Effects of the Invention> As is apparent from the above description, according to the present invention,
The small, low-cost tilt angle transmitter 304 that can easily adopt the inclination of the standing body 301 such as a telephone pole or a steel tower laid at 302, 302.
Thus, it is possible to provide a low-cost tilt monitoring system that can be easily monitored using the overhead lines 302 and 302 themselves.
この傾斜監視システムによって、立設体301の倒壊を
未然に察知することができ、重大な損害発生の防止、あ
るいは重大な危険の防止、さらには効果的な対応策の迅
速化を図ることができる。また、モニタの自動化によ
り、従来保守員に頼っていた人件費の軽減、到達艱難地
点（積雪下の山岳や丘陵地帯等）の解消等、様々な利点
が得られる。With this inclination monitoring system, it is possible to detect the collapse of the standing body 301 in advance, thereby preventing serious damage or serious danger and speeding up effective countermeasures. . In addition, various advantages can be obtained by automating the monitor, such as a reduction in labor costs, which has conventionally relied on maintenance personnel, and elimination of reached tribulation points (mountains and hills under snow).
また、本傾斜角発信器304の外部電源３は、立設体301
の架線302、302に通電されている電力を利用する方式で
あるため、メンテナンスフリーで、大きな実用性が得ら
れる。また、この電源３には、その給電に際して、定電
流回路４が組み込まれているため、傾斜角検出センサ
１、1A〜1B、1Cの安定した動作が確保される。さらに、
実際の使用に際して、可変抵抗13を備えたオフセット回
路11が内蔵されているため、該可変抵抗13の操作によ
り、各傾斜角検出信号の出力調整を適宜行うことがで
き、大きな利便性が得られる。さらにまた、演算回路16
からの立設体301の傾きの大きさ信号、及び／又は該立
設体301の傾きの方向信号が電流変調回路14のトランジ
タ15によって、コレクタ電流の形で出力させるため、外
部の信号線l3、l3′及び架線302、302を通じて、所望の
箇所へ適宜伝送することができる。The external power source 3 of the tilt angle transmitter 304 is
This is a system that uses the electric power supplied to the overhead lines 302, 302, so that maintenance-free and great practicality can be obtained. In addition, since the power supply 3 incorporates the constant current circuit 4 when supplying power, stable operation of the tilt angle detection sensors 1, 1A to 1B and 1C is ensured. further,
At the time of actual use, since the offset circuit 11 including the variable resistor 13 is built in, the output of each tilt angle detection signal can be appropriately adjusted by operating the variable resistor 13, and great convenience is obtained. . Furthermore, the arithmetic circuit 16
The magnitude signal of the inclination of the standing body 301 and / or the direction signal of the inclination of the standing body 301 are output by the transistor 15 of the current modulation circuit 14 in the form of a collector current. 3, through l 3 'and overhead wires 302, 302, can be transmitted properly to the desired location.
第１図は本発明に係る傾斜監視システムの一実施例を示
した概略説明図、第２図は立設体への傾斜角発信器の設
置状態を示した斜視図、第３図は上記傾斜角発信器の一
例を示した結線図、第４図は傾斜角検出センサの一例を
示した部分欠截斜視図、第５図〜第６図は上記傾斜角発
信器の他の例を示した各結線図、第７図は２次元歪み検
出センサの一例を示した部分欠截概略斜視図である。 図中、 １、1A〜1B、1C……傾斜角検出センサ ２……処理回路 ３……電源 ４……定電流回路 ６……定電圧ダイオード ８……増幅器 11……オフセット回路 13……可変抵抗 14……電流変調回路 15……トランジタ15 16……演算回路 301……立設体 302……架線 303……管理局 304……傾斜角発信器FIG. 1 is a schematic explanatory view showing an embodiment of a tilt monitoring system according to the present invention, FIG. 2 is a perspective view showing an installation state of a tilt angle transmitter on a standing body, and FIG. Connection diagram showing an example of the angle transmitter, FIG. 4 is a partially cutaway perspective view showing an example of the tilt angle detection sensor, and FIGS. 5 and 6 show other examples of the tilt angle transmitter. FIG. 7 is a partially cutaway perspective view showing an example of a two-dimensional distortion detection sensor. In the figure, 1, 1A to 1B, 1C... Tilt angle detection sensor 2... Processing circuit 3... Power supply 4... Constant current circuit 6... Constant voltage diode 8... Amplifier 11... Offset circuit 13. Resistance 14 Current modulation circuit 15 Transistor 15 16 Arithmetic circuit 301 Standing body 302 Wire overhead 303 Management station 304 Tilt angle transmitter
Claims (1)
半導体加速度センサからなる傾斜角検出センサ１、同様
の半導体加速度センサからなる複数個の傾斜角検出セン
サ1A〜1B、又は半導体２次元加速度センサからなる傾斜
角検出センサ1Cの駆動電流を前記架線302、302からの通
電によって供給する電源３と、該電源３の電圧を前記傾
斜角検出センサ１、1A〜1Cに定電圧として供給するため
の定電圧ダイオード６を備えてなる定電流回路４と、前
記傾斜角検出センサ１、1A〜1Cからの傾斜角検出信号を
増幅させるための増幅器８と、前記増幅された傾斜角検
出信号が入力されると共に、可変抵抗13を備え、該可変
抵抗13の操作により前記傾斜角検出信号の正常時の出力
を調整するためのオフセット回路11と、該オフセット回
路11の前記立設体301の１、又は複数方向の傾きに対応
した比例値が入力されると共に、これらの比例値を演算
によって、前記立設体301の傾きの大きさ信号として、
及び／又は該立設体301の傾きの方向信号として出力さ
せる演算回路16と、該演算回路16による、前記立設体30
1の傾きの大きさ信号、及び／又は該立設体301の傾きの
方向信号が入力されると共に、これらの信号をコレクタ
電流の形で出力させるトランジスタ15を備えた電流変調
回路14とからなる傾斜角発信器304を設置し、前記立設
体301の傾きの大きさ信号、及び／又は該立設体301の傾
きの方向信号を該立設体301の架線302、302を通じて、
管理局303に伝送してモニタする傾斜監視システム。1. An upright body 301 on which overhead wires 302, 302 are laid,
The drive current of the tilt angle detection sensor 1 composed of a semiconductor acceleration sensor, a plurality of tilt angle detection sensors 1A to 1B composed of a similar semiconductor acceleration sensor, or the drive current of the tilt angle detection sensor 1C composed of a semiconductor two-dimensional acceleration sensor is supplied to the overhead wire 302, A constant current circuit 4 including a power supply 3 supplied by energization from the power supply 302, a constant voltage diode 6 for supplying a voltage of the power supply 3 to the inclination angle detection sensor 1, 1A to 1C as a constant voltage, An amplifier 8 for amplifying the tilt angle detection signals from the tilt angle detection sensors 1 and 1A to 1C, and a variable resistor 13 which receives the amplified tilt angle detection signal and operates the variable resistor 13. The offset circuit 11 for adjusting the normal output of the tilt angle detection signal, and a proportional value corresponding to one or a plurality of tilts of the upright body 301 of the offset circuit 11 are input. By calculating these proportional values, as a magnitude signal of the inclination of the standing body 301,
And / or an arithmetic circuit 16 for outputting the inclination signal of the standing body 301 as a direction signal, and the standing circuit 30
A current modulation circuit 14 including a transistor 15 for receiving a magnitude signal of 1 and / or a direction signal of the inclination of the standing body 301 and outputting these signals in the form of a collector current. The tilt angle transmitter 304 is installed, and the magnitude signal of the inclination of the standing body 301 and / or the direction signal of the inclination of the standing body 301 are transmitted through the overhead lines 302 and 302 of the standing body 301.
An inclination monitoring system that transmits to and monitors the management station 303.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63260313A JP2706676B2 (en) | 1988-10-15 | 1988-10-15 | Tilt monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63260313A JP2706676B2 (en) | 1988-10-15 | 1988-10-15 | Tilt monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02107911A JPH02107911A (en) | 1990-04-19 |
| JP2706676B2 true JP2706676B2 (en) | 1998-01-28 |
Family
ID=17346290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63260313A Expired - Fee Related JP2706676B2 (en) | 1988-10-15 | 1988-10-15 | Tilt monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2706676B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5142972B2 (en) * | 2008-12-17 | 2013-02-13 | 日本電信電話株式会社 | Wireless communication system |
| CN103925906A (en) * | 2014-03-12 | 2014-07-16 | 哈尔滨工大云帆智慧信息技术有限公司 | Low-power portable on-line inclination monitoring equipment |
| KR20200096497A (en) | 2017-12-18 | 2020-08-12 | 가부시끼 가이샤 구보다 | Automatic driving system, automatic driving management program, recording medium recording the automatic driving management program, automatic driving management method, area determining system, area determining program, recording medium recording area determining program, area determining method, combine control system, combine control program , A recording medium recording the combine control program, and a combine control method |
| KR20200096496A (en) | 2017-12-18 | 2020-08-12 | 가부시끼 가이샤 구보다 | Combine control system, combine control program, recording medium recording the combine control program, combine control method, harvester control system, harvester control program, recording medium recording harvester control program, harvester control method |
| KR20200096489A (en) | 2017-12-20 | 2020-08-12 | 가부시끼 가이샤 구보다 | Work vehicle, travel path selection system for work vehicle, and travel path calculation system |
| KR20210093873A (en) | 2018-11-26 | 2021-07-28 | 가부시끼 가이샤 구보다 | Agricultural equipment, agricultural equipment control program, recording medium recording agricultural equipment control program, agricultural equipment control method, harvester, harvester control program, recording medium recording harvester control program, harvester control method |
| CN113039501B (en) | 2018-11-29 | 2024-08-13 | 株式会社久保田 | Automatic travel control system, recording medium having automatic travel control program recorded thereon, and automatic travel control method |
| KR20210067926A (en) | 2019-11-29 | 2021-06-08 | 가부시끼 가이샤 구보다 | Auto cruising system |
| CN112868369B (en) | 2019-11-29 | 2024-06-04 | 株式会社久保田 | Automatic traveling system and harvester |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5786711A (en) * | 1980-11-19 | 1982-05-29 | Fujikura Ltd | Device for detecting inclination of pillar-shaped body |
| JPH0320781Y2 (en) * | 1984-10-19 | 1991-05-07 | ||
| JPH067053B2 (en) * | 1986-10-18 | 1994-01-26 | 繁己 山崎 | Attitude sensor |
-
1988
- 1988-10-15 JP JP63260313A patent/JP2706676B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02107911A (en) | 1990-04-19 |
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