JPS5841559B2 - Operation confirmation method for power generation telemeter - Google Patents

Operation confirmation method for power generation telemeter

Info

Publication number
JPS5841559B2
JPS5841559B2 JP7335477A JP7335477A JPS5841559B2 JP S5841559 B2 JPS5841559 B2 JP S5841559B2 JP 7335477 A JP7335477 A JP 7335477A JP 7335477 A JP7335477 A JP 7335477A JP S5841559 B2 JPS5841559 B2 JP S5841559B2
Authority
JP
Japan
Prior art keywords
power generation
generator
transmission lines
permanent magnet
telemeter
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
Application number
JP7335477A
Other languages
Japanese (ja)
Other versions
JPS548548A (en
Inventor
剛 阿部
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP7335477A priority Critical patent/JPS5841559B2/en
Publication of JPS548548A publication Critical patent/JPS548548A/en
Publication of JPS5841559B2 publication Critical patent/JPS5841559B2/en
Expired legal-status Critical Current

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Description

【発明の詳細な説明】 本発明は、水、ガス、電気等の一定使用量毎にパルス信
号を発生する発信部と、このパルス信号を計数する計量
部とから成る発電式テレメータにおいて、これらの設備
を設置したときに、前記発信部が確実に作動するか否か
を検査するための作動確認方式に関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention provides a power generating telemeter comprising a transmitting section that generates a pulse signal every time a certain amount of water, gas, electricity, etc. is used, and a measuring section that counts this pulse signal. The present invention relates to an operation confirmation method for inspecting whether the transmitting section reliably operates when equipment is installed.

本発明は、水に限らずガス、電気あるいはその他の流体
の使用量を遠隔計量する発電式テレメータに適用できる
ものであるが、以下に上水の使用量を遠隔計量するテレ
メータに適用した場合について説明する。
The present invention can be applied to power-generating telemeters that remotely measure the amount of water used, as well as gas, electricity, or other fluids. explain.

一般に、発電式テレメータは、例えば水の流れるエネル
ギーを少しづつスプリング等に蓄えていき、一定量の水
が流れたときに前記スプリングに蓄えられたエネルギー
を瞬時に放出し、その力によって例えば永久磁石を瞬時
駆動して誘導巻線にパルス電圧を発生し、このパルス電
圧を遠隔地に配設された受信部に導き、受信部の計量機
構を歩進駆動するものである。
In general, power-generating telemeters store the energy of flowing water little by little in a spring, etc., and when a certain amount of water flows, the energy stored in the spring is instantly released, and the power is used to create a magnet, such as a permanent magnet. The pulse voltage is instantaneously driven to generate a pulse voltage in the induction winding, and this pulse voltage is guided to a receiving section located at a remote location, and the metering mechanism of the receiving section is driven step by step.

このテレメータ方式は電池等の外部電源を一切使用しな
いという優れた特長があるため、最近、各地の水道局で
従来の電池内蔵メータに代って採用されはじめている。
This telemeter system has the excellent feature of not using any external power sources such as batteries, so it has recently begun to be adopted by water stations around the country in place of conventional meters with built-in batteries.

上記発電式テレメータにおいては、水から得たエネルギ
ーで発電エネルギーを得ているが、通常、発電部は水道
メータと共に地下0.5〜1.5mの所に設置されてい
るため、発信部が確実に作動するか否かの検査は事実上
不可能であった。
In the power generation type telemeter mentioned above, the power generation unit is obtained from the energy obtained from water, but since the power generation unit is usually installed 0.5 to 1.5 meters underground together with the water meter, the transmission unit is reliable. It was virtually impossible to test whether or not it worked.

また、発信部が1パルスの信号を発生するには、通常、
1m3の水が流れなければならず、1m3の水を実際に
流して検出するには、一般に使用されている13關φ〜
20mxφの水道メータでは数時間を要し、非常に非能
率的であった。
Also, in order for the transmitter to generate a single pulse signal, normally
1 m3 of water must flow, and in order to actually flow and detect 1 m3 of water, the commonly used 13 pipes φ ~
A 20m x φ water meter took several hours and was extremely inefficient.

また、発信部と受信部は通常数メートル乃至数百メート
ル離れて設置されるため、これらの間を結ぶ電線数を極
力少なくしてできるだけコストを低減させる必要があっ
た。
Furthermore, since the transmitting section and the receiving section are usually installed several meters to several hundred meters apart, it is necessary to reduce the cost as much as possible by minimizing the number of wires connecting them.

本発明は、如上のごとき点に鑑んでなされたもので、特
に、少量の水を流して短時間で能率よくしかも低コスト
で発信部が確実に作動するか否かを検査することができ
る作動確認方式を提供しようとするものである。
The present invention has been made in view of the above points, and is particularly capable of testing whether or not a transmitter operates reliably in a short time, efficiently, and at low cost by flowing a small amount of water. This is an attempt to provide a confirmation method.

第1図は、本発明が適用される発電式テレメータの一例
を説明するための図で、図中、Iはメータ部、■は発電
部、■は受信部を示し、メータ部Iの軸1は被測定量例
えば使用水量に応じて回転し、ギヤ輪列2を介して駆動
永久磁石3に伝達され、該永久磁石3を回転する。
FIG. 1 is a diagram for explaining an example of a power generation type telemeter to which the present invention is applied. In the figure, I indicates a meter section, ■ indicates a power generation section, and ■ indicates a reception section. is rotated in accordance with the amount to be measured, for example, the amount of water used, and is transmitted to the driving permanent magnet 3 via the gear train 2 to rotate the permanent magnet 3.

メータ部Iと発電部■はガラス窓4、遮水筒5等によっ
て遮断されており、この遮水筒5を介して発電部■の永
久磁石6がメータ部Iの永久磁石3に追従して回転する
ように配置されている。
The meter section I and the power generation section ■ are isolated by a glass window 4, a water shield tube 5, etc., and the permanent magnet 6 of the power generation section ■ rotates following the permanent magnet 3 of the meter section I via the water shield tube 5. It is arranged like this.

被動永久磁石6の回転は、減速歯車群Tおよび瞬間送り
機構8等を介して発電機9に伝達され、例えば17n:
の水を使用する毎に発電機9の永久磁石20(第2図参
照)を瞬時動作させて誘導巻線21(第2図参照)にパ
ルス電圧を発生する。
The rotation of the driven permanent magnet 6 is transmitted to the generator 9 via the reduction gear group T and the instantaneous feed mechanism 8, for example, 17n:
Each time water is used, the permanent magnet 20 (see FIG. 2) of the generator 9 is instantaneously operated to generate a pulse voltage in the induction winding 21 (see FIG. 2).

このパルス電圧は2本の伝送線i o 、 i o’を
通して受信部■のパルスモータ11に伝達され、該パル
スモータの電機子巻線22(第2図参照)にパルス電流
を流して回転子23を所定角度回転させる。
This pulse voltage is transmitted to the pulse motor 11 of the receiving section (3) through the two transmission lines io and io', and a pulse current is passed through the armature winding 22 (see Fig. 2) of the pulse motor to drive the rotor. 23 by a predetermined angle.

回転子23の回転は、ギヤ群12を介してカウンタ13
に伝達され、カウンタ13を歩進駆動する。
The rotation of the rotor 23 is controlled by the counter 13 via the gear group 12.
and drives the counter 13 step by step.

如上のごとき発電式テレメータにおいて、メータ部およ
び発電部は、前述のごとく、通常地下0.5〜1.5m
の所に設置され、設置時、水道局員の立合のもとに工事
引渡しが行なわれるが、その際、メータ部および発電部
が地下に埋設されているため、これらが確実に作動する
か否かの確認が難かしく、実際に、カウンタが1歩進す
るに要する水量例えば1m:の水をメータに流し、その
ときのメータの作動をチェックする場合には、前述のよ
うに検査に数時間を要するといった欠点があった。
In a power-generating telemeter like the one above, the meter section and power generation section are usually located 0.5 to 1.5 meters underground, as mentioned above.
At the time of installation, construction work is handed over in the presence of waterworks officials, but since the meter section and power generation section are buried underground, it is difficult to confirm whether or not they will work reliably. It is difficult to check the amount of water required for the counter to advance one step, for example, 1 meter, and when checking the operation of the meter at that time, it takes several hours for the inspection as described above. There was a drawback that it was necessary.

本発明は、如上のごとき従来技術における欠点を解決す
るとともに前記検査を低コストで行なうためになされた
もので、第2図にその一実施例を示す。
The present invention has been devised to solve the above-mentioned drawbacks of the prior art and to perform the above-mentioned inspection at low cost, and one embodiment thereof is shown in FIG.

第2図において、永久磁石24、磁気抵抗素子あるいは
リードスイッチ等の感磁素子25、電流制限抵抗26は
、本発明によって特に付加されたものであり、永久磁石
24は第1図に示した減速歯車群7の任意いずれかの歯
車軸に取り付けられており、感磁素子25は該永久磁石
24の近傍に配設され、交流信号発生器28からの交流
信号が電流検出手段29、伝送線10 、10’を通し
て印加されるようになっている。
In FIG. 2, a permanent magnet 24, a magnetic sensing element 25 such as a magnetoresistive element or a reed switch, and a current limiting resistor 26 are specially added according to the present invention. It is attached to any one of the gear shafts of the gear group 7, the magnetic sensing element 25 is arranged near the permanent magnet 24, and the AC signal from the AC signal generator 28 is transmitted to the current detection means 29 and the transmission line 10. , 10'.

従って、検査時、実際に水を流して回転軸1を回転する
と、それに従って減速歯車群7も回転し、永久磁石24
の回転によって感磁素子25の抵抗値あるいは接点状態
が変化するので、その変化を検査装置27の電流計ある
いはカウンタ等の電流検出手段29で検知すれば、発信
部におけるメータ部および発電部の永久磁石24が装着
されている歯車軸に到るまでの作動が確実に行なわれて
いるか否かを確認することができる。
Therefore, when the rotating shaft 1 is rotated by actually running water during an inspection, the reduction gear group 7 also rotates accordingly, and the permanent magnet 24
Since the resistance value or the contact state of the magneto-sensitive element 25 changes due to the rotation of It can be confirmed whether the operation up to the gear shaft to which the magnet 24 is attached is being performed reliably.

なお、交流信号発生器28の周波数は誘導巻線21、電
機子巻線22のインピーダンスに対して充分高く選んで
あり、この交流信号によって正規の計量動作が影響され
ることはない。
The frequency of the AC signal generator 28 is selected to be sufficiently high relative to the impedance of the induction winding 21 and the armature winding 22, so that the normal metering operation is not affected by this AC signal.

また、瞬間送り機構以降の作動は比較的確実であるので
、立合検査の場で、減速歯車群までの作動が確認できれ
ば実際上はとんど問題はない。
In addition, since the operation after the instantaneous feed mechanism is relatively reliable, there is virtually no problem in practice as long as the operation up to the reduction gear group can be confirmed during the on-site inspection.

以上の説明から明らかなように、本発明によると、簡単
な構成によって従って低コストで発信部の作動を確認す
ることができ、しかも、迅速に能率よく確認できる利点
がある。
As is clear from the above description, the present invention has the advantage of being able to confirm the operation of the transmitter with a simple configuration and at low cost, as well as being able to confirm quickly and efficiently.

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

第1図は、本発明が適用される発電式テレメータ方式の
一例を示す図、第2図は、本発明による作動確認方式を
説明するための図である。 ■・・・・・・メータ部、■・・・・・・発電部、■・
・・・・・受信部、1・・・・・・被計測流量に応じて
回転する回転軸、T・・・・・・減速歯車群、8・・・
・・・瞬間送り機構、9・・・・・・発電機、10,1
0’・・・・・・伝送線、11・・・・・・パルスモー
タ、20・・・・・・発電機9の永久磁石、21・・・
・・・発電機9の誘導巻線、22・・・・・・パルスモ
ータ11の電機子巻線、23・・・・・・パルスモータ
11の回転子、24・・・・・・永久磁石、25・・・
・・・感磁素子、26・・・・・・電流制限用抵抗、2
T・・・・・・検査装置、28・・・・・・交流電源、
29・・・・・・電流検出手段。
FIG. 1 is a diagram showing an example of a power generation telemeter system to which the present invention is applied, and FIG. 2 is a diagram for explaining an operation confirmation system according to the present invention. ■・・・Meter section, ■・・・Power generation section, ■・
...Receiving section, 1 ... Rotating shaft that rotates according to the measured flow rate, T ... Reduction gear group, 8 ...
...instantaneous feed mechanism, 9...generator, 10,1
0'...Transmission line, 11...Pulse motor, 20...Permanent magnet of generator 9, 21...
... Induction winding of generator 9, 22 ... Armature winding of pulse motor 11, 23 ... Rotor of pulse motor 11, 24 ... Permanent magnet , 25...
...Magnetic sensing element, 26... Current limiting resistor, 2
T...Testing device, 28...AC power supply,
29... Current detection means.

Claims (1)

【特許請求の範囲】[Claims] 1 被測定流量に応じて回転する回転軸と、該回転軸の
回転を減速するための減速歯車群と、該減速歯車群から
の回転を受けて作動される瞬間送り機構と、該瞬間送り
機構の作動に応動してパルス信号を発生する発電機と、
該発電機に一端が接続され、その出力パルス信号を伝送
するための2本の伝送線と、該伝送線の他端に接続され
、それからのパルス信号によって歩進駆動されるパルス
モータとを有する発電式テレメータにおいて、前記減速
歯車群のいずれかの歯車軸に永久磁石を装着するととも
に、該永久磁石の近傍に感磁素子を設け、該感磁素子を
前記2本の伝送線の一端に接続し、発電機、パルスモー
タのインピーダンスに対して十分に高い周波数の交流電
源および電流検出回路を前記2本の伝送線に接続して、
該交流信号の変化から前記感磁素子の変化を検出するよ
うにしたことを特徴とする発電式テ゛/メータにおける
作動確認方式。
1. A rotating shaft that rotates in accordance with the flow rate to be measured, a group of reduction gears for decelerating the rotation of the rotating shaft, an instantaneous feed mechanism that is operated in response to rotation from the group of reduction gears, and the instantaneous feed mechanism. a generator that generates a pulse signal in response to the operation of the
It has two transmission lines, one end of which is connected to the generator, for transmitting the output pulse signals thereof, and a pulse motor, which is connected to the other end of the transmission line and is driven in steps by the pulse signals from the transmission lines. In the power generating telemeter, a permanent magnet is attached to one of the gear shafts of the reduction gear group, a magnetic sensing element is provided near the permanent magnet, and the magnetic sensing element is connected to one end of the two transmission lines. Then, an AC power supply with a frequency sufficiently high for the impedance of the generator and pulse motor and a current detection circuit are connected to the two transmission lines,
An operation confirmation method for a power generation type meter/meter, characterized in that a change in the magnetic sensing element is detected from a change in the alternating current signal.
JP7335477A 1977-06-22 1977-06-22 Operation confirmation method for power generation telemeter Expired JPS5841559B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7335477A JPS5841559B2 (en) 1977-06-22 1977-06-22 Operation confirmation method for power generation telemeter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7335477A JPS5841559B2 (en) 1977-06-22 1977-06-22 Operation confirmation method for power generation telemeter

Publications (2)

Publication Number Publication Date
JPS548548A JPS548548A (en) 1979-01-22
JPS5841559B2 true JPS5841559B2 (en) 1983-09-13

Family

ID=13515734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7335477A Expired JPS5841559B2 (en) 1977-06-22 1977-06-22 Operation confirmation method for power generation telemeter

Country Status (1)

Country Link
JP (1) JPS5841559B2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5869788A (en) * 1981-10-22 1983-04-26 セントラル硝子株式会社 Polymer-coated graphite fluoride
JPS6050739B2 (en) * 1981-10-22 1985-11-09 セントラル硝子株式会社 Fluorinated graphite molded body and its manufacturing method
JPS58201398A (en) * 1982-05-19 1983-11-24 三井東圧化学株式会社 Method of producing radio wave absorber
JPS58201399A (en) * 1982-05-19 1983-11-24 三井東圧化学株式会社 Method of producing radio wave absorber
JPH0674294B2 (en) * 1983-06-20 1994-09-21 三井東圧化学株式会社 Method for producing solid material coated with polymer
JPH0640952B2 (en) * 1985-11-29 1994-06-01 エヌオーケー株式会社 Manufacturing method of microcapsule containing heat storage material
JPH073426B2 (en) * 1986-06-03 1995-01-18 株式会社トクヤマ Carrier of diagnostic agglutination reagent
JPS6315859A (en) * 1986-07-05 1988-01-22 Idemitsu Kosan Co Ltd Production of carbon black

Also Published As

Publication number Publication date
JPS548548A (en) 1979-01-22

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