JP4631444B2 - Electromagnetic flow meter - Google Patents

Electromagnetic flow meter Download PDF

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JP4631444B2
JP4631444B2 JP2005007079A JP2005007079A JP4631444B2 JP 4631444 B2 JP4631444 B2 JP 4631444B2 JP 2005007079 A JP2005007079 A JP 2005007079A JP 2005007079 A JP2005007079 A JP 2005007079A JP 4631444 B2 JP4631444 B2 JP 4631444B2
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electrode
measurement
signal line
insulating washer
cover
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JP2006194751A (en
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崇 新井
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Yokogawa Electric Corp
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Description

本発明は、電磁流量計の電極構造に関するものである。
更に詳述すれば、ドライバー等の工具を必要とせず、狭い場所や、暗所でも簡単に信号線を電極に固定出来る電磁流量計に関するものである。 The present invention relates to an electrode structure of an electromagnetic flow meter.
More specifically, the present invention relates to an electromagnetic flow meter that can easily fix a signal line to an electrode even in a narrow place or a dark place without requiring a tool such as a screwdriver.

電磁流量計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。
特開２００４−１６３１９３号公報 Prior art documents related to electromagnetic flow meters include the following.
JP 2004-163193 A

図５は、従来より一般に使用されている従来例の要部構成説明図である。
図において、測定管１１には、測定流体ＦＬが内部に流れる．
ライニング体１２は、測定管１１の内壁面部と電極取付穴部を通じて電極取付穴周辺部の外壁面上までライニングされている。 FIG. 5 is an explanatory diagram showing the configuration of the main part of a conventional example that is generally used.
In the figure, the measurement fluid FL flows through the measurement tube 11.
The lining body 12 is lined up to the outer wall surface around the electrode mounting hole through the inner wall surface of the measuring tube 11 and the electrode mounting hole.

ボス１３は、ライニング体１２の電極取付穴周辺部を囲んでリング状に、測定管１１の外壁に設けられている。
柱状の電極１４は、電極取付穴部に一端側が挿入され、途中に設けられた鍔部１４１の一方の面が、ライニング体１２の電極取付穴周辺部に接する。 The boss 13 is provided on the outer wall of the measurement tube 11 in a ring shape surrounding the periphery of the electrode attachment hole of the lining body 12.
One end of the columnar electrode 14 is inserted into the electrode mounting hole, and one surface of the flange 141 provided in the middle is in contact with the periphery of the electrode mounting hole of the lining body 12.

絶縁ワッシャー１５は、電極１４の外周面に挿入され、鍔部１４１の他方の面に一方の面が接して設けられている。
なお、この場合は、絶縁ワッシャーには、電極１４の外周面に沿ってリング状に設けられた凸部１５１を有している。 The insulating washer 15 is inserted into the outer peripheral surface of the electrode 14, and one surface is in contact with the other surface of the collar 141.
In this case, the insulating washer has a convex portion 151 provided in a ring shape along the outer peripheral surface of the electrode 14.

筒状の絶縁リング１６は、電極１４の他方端側に挿入され、一方端が絶縁ワッシャー１５に接する。
電極キャップ１７は、絶縁リング１６の外周面に挿入され、絶縁ワッシャー１５の他方の面に一方の面が接し、側部１７１がボス１３の内壁に係合する。 The cylindrical insulating ring 16 is inserted on the other end side of the electrode 14, and one end is in contact with the insulating washer 15.
The electrode cap 17 is inserted into the outer peripheral surface of the insulating ring 16, one surface is in contact with the other surface of the insulating washer 15, and the side portion 171 is engaged with the inner wall of the boss 13.

係止手段１８は、絶縁リング１６の他方端に設けられ、電極キャップ１７が電極１４の軸方向に脱するのを係止する。
この場合は、係止手段１８として、突起部１８１とＥ形止め輪１８２とよりなる。 The locking means 18 is provided at the other end of the insulating ring 16 and locks the electrode cap 17 from coming off in the axial direction of the electrode 14.
In this case, the locking means 18 includes a projection 181 and an E-shaped retaining ring 182.

突起部１８１は、絶縁リング１６の他方端に設けられ、電極キャップ１７が電極１４の軸方向に脱するのを係止する。
Ｅ形止め輪１８２は、電極１４の他端側に設けられ、絶縁リング１６が電極１４の軸方向に脱するのを係止する。 The protruding portion 181 is provided at the other end of the insulating ring 16 and locks the electrode cap 17 from coming off in the axial direction of the electrode 14.
The E-shaped retaining ring 182 is provided on the other end side of the electrode 14 and locks the insulating ring 16 from coming off in the axial direction of the electrode 14.

なお、突起部１８１の代わりに、抜け止め用のワッシャが使用されても良いことは勿論である。
電極カバー１９は、ボス１３に取り付けられている。
信号線２１は、電極１４に圧着チップ２２を介して、ねじ２３により取付けられている。 Needless to say, a retaining washer may be used instead of the protrusion 181.
The electrode cover 19 is attached to the boss 13.
The signal line 21 is attached to the electrode 14 with a screw 23 via a crimping tip 22.

以上の構成において、図５に示す如く、電極１４に、絶縁ワッシャー１５、電極キャップ１７を取り付け、突起部１８１.が設けられた絶縁リング１６を図の右側から取り付け、E形止め輪１８２で止める。
このモジュールを.ライニング体１２に取り付ける。
信号線２１を、電極１４に圧着チップ２２を介して、ねじ２３により取付ける。 In the above configuration, as shown in FIG. 5, the insulating washer 15 and the electrode cap 17 are attached to the electrode 14, and the insulating ring 16 provided with the protrusion 181. .
This module is attached to the lining body 12.
The signal line 21 is attached to the electrode 14 with a screw 23 via a crimping tip 22.

しかしながら、このような装置においては、信号線２１の圧着チップ２２を電極１４に取り付ける、または取り外すためには、ねじ２３を回すためには、ドライバー等の工具が必要であった。
また、その作業を行う場合、他の機器のために、ドライバー等の工具の入るスペースがなかったり、暗所では作業がしにくい等の問題があった。 However, in such a device, in order to attach or remove the crimping tip 22 of the signal line 21 to or from the electrode 14, a tool such as a screwdriver is required to turn the screw 23.
Further, when performing the work, there are problems that there is no space for a tool such as a screwdriver for other equipment or that it is difficult to work in a dark place.

本発明の目的は、上記の課題を解決するもので、ドライバー等の工具を必要とせず、狭い場所や、暗所でも簡単に信号線の圧着チップを電極に固定出来る電磁流量計を提供することを目的とする。   An object of the present invention is to solve the above-described problems, and to provide an electromagnetic flow meter that can easily fix a crimping tip of a signal line to an electrode even in a narrow place or a dark place without requiring a tool such as a screwdriver. With the goal.

このような課題を達成するために、本発明では、請求項１の電磁流量計においては、
測定管に一端側が挿入される柱状の測定電極と、この測定電極の他端に接続される信号線と、前記測定電極の周囲に前記測定管に着脱自由に設けられた電極カバーとを具備する電磁流量計において、
前記測定電極を前記測定管に固定する固定手段と、
一端が前記測定電極に前記信号線を押圧接続する筒状の絶縁ワッシャと前記電極カバーに一端が設けられ他端が前記絶縁ワッシャの他端に接するばねとこのばねを前記絶縁ワッシャと前記電極カバーで挟み込み固定する固定ねじと前記絶縁ワッシャに設けられ前記固定ねじが挿入される凹部とを具備し、前記固定手段により前記測定電極が前記測定管に固定されたままの状態において前記電極カバーに取付けられ前記測定電極の他端に前記信号線の一端のみを押圧接続し前記電極カバーの脱時には前記電極カバーに取付けられていて前記電極カバーから外れることなく一体的に前記測定管より脱される押圧手段と、を具備したことを特徴とする。 In order to achieve such a problem, in the present invention, in the electromagnetic flow meter of claim 1,
A columnar measurement electrode having one end inserted into the measurement tube, a signal line connected to the other end of the measurement electrode, and an electrode cover that is freely attached to and detached from the measurement tube around the measurement electrode In electromagnetic flow meter,
Fixing means for fixing the measurement electrode to the measurement tube;
A cylindrical insulating washer whose one end press-connects the signal line to the measurement electrode, a spring whose one end is provided on the electrode cover and the other end is in contact with the other end of the insulating washer, and this spring is connected to the insulating washer and the electrode cover A fixing screw that is sandwiched and fixed by the fixing washer, and a recess provided in the insulating washer into which the fixing screw is inserted, and is attached to the electrode cover while the measurement electrode is fixed to the measurement tube by the fixing means. Only one end of the signal line is pressed and connected to the other end of the measurement electrode, and when the electrode cover is removed, it is attached to the electrode cover and is integrally removed from the measurement tube without being detached from the electrode cover And means.

本発明の請求項２においては、請求項１記載の電磁流量計において、
前記信号線は圧着チップを介して前記測定電極に接続されたことを特徴とする。 According to claim 2 of the present invention, in the electromagnetic flow meter according to claim 1,
The signal line is connected to the measurement electrode via a crimping tip.

以上説明したように、本発明の請求項１によれば、次のような効果がある。
電極カバーに設けられ測定電極の他端に信号線の一端を押圧接続する押圧手段が設けられたので、信号線と電極の導通が容易に実現出来る電磁流量計が得られる。
電極カバーに、測定電極に信号線を押圧接続する機能が具備されているため、ドライバー等の工具が不要となる電磁流量計が得られる。
電極カバーに、測定電極に信号線を押圧接続する機能が具備されているため、工具の入らない狭い場所や暗所でも容易に作業が実現出来る電磁流量計が得られる。 As described above, according to the first aspect of the present invention, the following effects can be obtained.
Since the pressing means for pressing and connecting one end of the signal line to the other end of the measurement electrode is provided on the electrode cover, an electromagnetic flow meter that can easily realize the conduction between the signal line and the electrode is obtained.
Since the electrode cover has a function of pressing and connecting the signal line to the measurement electrode, an electromagnetic flow meter that does not require a tool such as a screwdriver can be obtained.
Since the electrode cover has a function of pressing and connecting the signal wire to the measurement electrode, an electromagnetic flow meter that can easily perform work even in a narrow place or dark place where a tool does not enter can be obtained.

本発明の請求項２によれば、次のような効果がある。
信号線は圧着チップを介して測定電極に接続されたので、測定電極への信号線の接続がより容易となる電磁流量計が得られる。
According to claim 2 of the present invention, there are the following effects.
Since the signal line is connected to the measurement electrode via the crimping tip, an electromagnetic flow meter that makes it easier to connect the signal line to the measurement electrode is obtained.

以下本発明を図面を用いて詳細に説明する。
図１は本発明の一実施例の要部構成説明図、図２は図１の動作説明図である。
図において、図５と同一記号の構成は同一機能を表す。
以下、図５との相違部分のみ説明する。 Hereinafter, the present invention will be described in detail with reference to the drawings.
FIG. 1 is a diagram illustrating the configuration of the main part of one embodiment of the present invention, and FIG. 2 is a diagram illustrating the operation of FIG.
In the figure, configurations with the same symbols as in FIG. 5 represent the same functions.
Only the differences from FIG. 5 will be described below.

押圧手段３１は、電極カバー１９に設けられ、測定電極１４の他端に、信号線２１の一端を押圧接続する。
この場合は、押圧手段３１は、一端が測定電極１４に信号線２１を押圧接続するばね３１１と、電極カバー１９に一面が設けられ他面にばね３１１の他端が設けられた絶縁ワッシャ３１２とを有する。 The pressing means 31 is provided on the electrode cover 19 and presses and connects one end of the signal line 21 to the other end of the measurement electrode 14.
In this case, the pressing means 31 includes a spring 311 whose one end press-connects the signal line 21 to the measurement electrode 14, and an insulating washer 312 provided with one surface on the electrode cover 19 and the other end of the spring 311 on the other surface. Have

また、絶縁ワッシャ３１２は他面側に、ばね３１１を受ける凹部３１３が設けられている。
また、この場合は、信号線２１は圧着チップ２２を介して、測定電極１４に接続されている。 The insulating washer 312 is provided with a recess 313 for receiving the spring 311 on the other surface side.
In this case, the signal line 21 is connected to the measurement electrode 14 via the crimping tip 22.

以上の構成において、図２に示す如く.電極カバー１９に絶縁ワッシャー３１２を取り付け、ばね３１１を取り付ける。
測定電極１４に圧着チップ２２を介して信号線２１を取付ける。
電極カバー１９を測定管１１に取付ける。 In the above configuration, an insulating washer 312 is attached to the electrode cover 19 and a spring 311 is attached as shown in FIG.
The signal line 21 is attached to the measurement electrode 14 via the crimping tip 22.
The electrode cover 19 is attached to the measuring tube 11.

この結果。
電極カバー１９に設けられ測定電極１４の他端に信号線２１の一端を押圧接続する押圧手段３１が設けられたので、信号線２１と電極１４の導通が容易に実現出来る電磁流量計が得られる。
電極カバー１９に、測定電極１４に信号線２１を押圧接続する機能が具備されているため、ドライバー等の工具が不要となる電磁流量計が得られる。
電極カバー１９に、測定電極１４に信号線２１を押圧接続する機能が具備されているため、工具の入らない狭い場所や暗所でも容易に作業が実現出来る電磁流量計が得られる。 As a result.
Since the pressing means 31 that presses and connects one end of the signal line 21 to the other end of the measurement electrode 14 provided on the electrode cover 19 is provided, an electromagnetic flowmeter that can easily realize conduction between the signal line 21 and the electrode 14 is obtained. .
Since the electrode cover 19 has a function of pressing and connecting the signal line 21 to the measurement electrode 14, an electromagnetic flow meter that does not require a tool such as a screwdriver can be obtained.
Since the electrode cover 19 has a function of pressing and connecting the signal line 21 to the measurement electrode 14, an electromagnetic flow meter that can easily perform work even in a narrow place or a dark place where a tool does not enter can be obtained.

押圧手段３１は、一端が測定電極１４に信号線２１を押圧接続するばね３１１と、電極カバー１９に一面が設けられ他面にばね３１１の他端が設けられた絶縁ワッシャ３１２とが設けられたので、信号線２１と電極１４の導通が容易に実現出来る電磁流量計が得られる。
ばね３１１と絶縁ワッシャ３１２とが付加されるのみであるので、利便性が向上されて安価な電磁流量計が得られる。 The pressing means 31 is provided with a spring 311 whose one end press-connects the signal line 21 to the measurement electrode 14 and an insulating washer 312 provided with one surface on the electrode cover 19 and the other end of the spring 311 on the other surface. Therefore, an electromagnetic flow meter that can easily realize the electrical connection between the signal line 21 and the electrode 14 is obtained.
Since only the spring 311 and the insulating washer 312 are added, convenience is improved and an inexpensive electromagnetic flow meter is obtained.

絶縁ワッシャ３１２は他面側にばね３１１を受ける凹部３１３が設けられているので、ばね３１１の取付けが確実な電磁流量計が得られる。
信号線２１は圧着チップ２２を介して測定電極１４に接続されたので、測定電極１４への信号線２１の接続がより容易となる電磁流量計が得られる。 Since the insulating washer 312 is provided with a recess 313 for receiving the spring 311 on the other surface side, an electromagnetic flow meter in which the spring 311 is securely attached can be obtained.
Since the signal line 21 is connected to the measurement electrode 14 via the crimping tip 22, an electromagnetic flow meter that makes it easier to connect the signal line 21 to the measurement electrode 14 is obtained.

図３は本発明の他の実施例の要部構成説明図である。
本実施例においては、押圧手段４１は、一端が測定電極１４に信号線２１を押圧接続する筒状の絶縁ワッシャ４１１と、電極カバー１９に一端が設けられ、他端が絶縁ワッシャ４１１の他端に接するばね４１２と、ばね４１２を絶縁ワッシャ４１１と電極カバー１９で挟み込み固定する固定ねじ４１３とを有する。
この場合は、絶縁ワッシャ４１１には、測定電極１４に信号線２１を押圧接続すると共に、固定ねじ４１３が挿入される凹部４１４が設けられている。 FIG. 3 is an explanatory view showing the structure of the main part of another embodiment of the present invention.
In this embodiment, the pressing means 41 has a cylindrical insulating washer 411 whose one end presses and connects the signal line 21 to the measurement electrode 14, one end provided on the electrode cover 19, and the other end the other end of the insulating washer 411. And a fixing screw 413 that sandwiches and fixes the spring 412 between the insulating washer 411 and the electrode cover 19.
In this case, the insulating washer 411 is provided with a recess 414 into which the signal line 21 is pressed and connected to the measurement electrode 14 and into which the fixing screw 413 is inserted.

以上の構成において、ばね４１２を絶縁ワッシャ４１１と電極カバー１９で挟み込み、電極カバー１９に固定ねじ４１３で固定する。
この電極カバー１９を測定管１１にねじ込むにつれ、絶縁ワッシャ４１１がばね４１２に押されるため、測定電極１４に信号線２１が押圧接続され、測定電極１４と信号線２１とが導通される。 In the above configuration, the spring 412 is sandwiched between the insulating washer 411 and the electrode cover 19 and fixed to the electrode cover 19 with the fixing screw 413.
As the electrode cover 19 is screwed into the measurement tube 11, the insulating washer 411 is pushed by the spring 412, so that the signal line 21 is pressed and connected to the measurement electrode 14, and the measurement electrode 14 and the signal line 21 are conducted.

この結果、
押圧手段４１は、一端が測定電極１４に信号線２１を押圧接続する筒状の絶縁ワッシャ４１１と、電極カバー１９に一端が設けられ他端が絶縁ワッシャ４１１の他端に接するばね４１２と、このばね４１２を絶縁ワッシャ４１１と電極カバー１９で挟み込み固定する固定ねじ４１３とが設けられたので、ばね４１２は、絶縁ワッシャ４１１と電極カバー１９で挟み込まれ、ばね４１２の取付けが更に確実な電磁流量計が得られる。 As a result,
The pressing means 41 includes a cylindrical insulating washer 411 whose one end presses and connects the signal line 21 to the measurement electrode 14, a spring 412 whose one end is provided on the electrode cover 19 and whose other end is in contact with the other end of the insulating washer 411, Since the fixing screw 413 that sandwiches and fixes the spring 412 between the insulating washer 411 and the electrode cover 19 is provided, the spring 412 is sandwiched between the insulating washer 411 and the electrode cover 19, and the spring 412 is more securely attached. Is obtained.

絶縁ワッシャ４１１には、測定電極１４に信号線２１を押圧接続すると共に、固定ねじ４１３が挿入される凹部４１４が設けられたので、更に確実に、測定電極１４に信号線２１を押圧接続することが出来る電磁流量計が得られる。   Since the insulating washer 411 is provided with the recess 414 into which the fixing screw 413 is inserted while the signal wire 21 is pressed and connected to the measurement electrode 14, the signal wire 21 is more reliably pressed and connected to the measurement electrode 14. Can be obtained.

なお、以上の説明は、本発明の説明および例示を目的として特定の好適な実施例を示したに過ぎない。
したがって本発明は、上記実施例に限定されることなく、その本質から逸脱しない範囲で更に多くの変更、変形をも含むものである。 The above description merely shows a specific preferred embodiment for the purpose of explanation and illustration of the present invention.
Therefore, the present invention is not limited to the above-described embodiments, and includes many changes and modifications without departing from the essence thereof.

本発明の一実施例の要部構成説明図である。It is principal part structure explanatory drawing of one Example of this invention. 図１の動作説明図である。It is operation | movement explanatory drawing of FIG. 本発明の他の実施例の要部構成説明図である。It is principal part structure explanatory drawing of the other Example of this invention. 図３の動作説明図である。It is operation | movement explanatory drawing of FIG. 従来より一般に使用されている従来例の要部構成説明図である。It is principal part structure explanatory drawing of the prior art example generally used conventionally.

符号の説明Explanation of symbols

１１ 測定管
１４ 測定電極
１９ 電極カバー
２１ 信号線
２２ 圧着チップ
３１ 押圧手段
３１１ ばね
３１２ 絶縁ワッシャ
３１３ 凹部
４１ 押圧手段
４１１ 絶縁ワッシャ
４１２ ばね
４１３ 固定ねじ
４１４ 凹部

DESCRIPTION OF SYMBOLS 11 Measurement tube 14 Measurement electrode 19 Electrode cover 21 Signal line 22 Crimp tip 31 Pressing means 311 Spring 312 Insulating washer 313 Recess 41 Pressing means 411 Insulating washer 412 Spring 413 Fixing screw 414 Recess

Claims (2)

測定管に一端側が挿入される柱状の測定電極と、この測定電極の他端に接続される信号線と、前記測定電極の周囲に前記測定管に着脱自由に設けられた電極カバーとを具備する電磁流量計において、
前記測定電極を前記測定管に固定する固定手段と、
一端が前記測定電極に前記信号線を押圧接続する筒状の絶縁ワッシャと前記電極カバーに一端が設けられ他端が前記絶縁ワッシャの他端に接するばねとこのばねを前記絶縁ワッシャと前記電極カバーで挟み込み固定する固定ねじと前記絶縁ワッシャに設けられ前記固定ねじが挿入される凹部とを具備し、
前記固定手段により前記測定電極が前記測定管に固定されたままの状態において前記電極カバーに取付けられ前記測定電極の他端に前記信号線の一端のみを押圧接続し前記電極カバーの脱時には前記電極カバーに取付けられていて前記電極カバーから外れることなく一体的に前記測定管より脱される押圧手段と、
を具備したことを特徴とする電磁流量計。 A columnar measurement electrode having one end inserted into the measurement tube, a signal line connected to the other end of the measurement electrode, and an electrode cover that is freely attached to and detached from the measurement tube around the measurement electrode In electromagnetic flow meter,
Fixing means for fixing the measurement electrode to the measurement tube;
A cylindrical insulating washer whose one end press-connects the signal line to the measurement electrode, a spring whose one end is provided on the electrode cover and the other end is in contact with the other end of the insulating washer, and this spring is connected to the insulating washer and the electrode cover A fixing screw that is sandwiched and fixed at and a recess provided in the insulating washer into which the fixing screw is inserted,
In the state where the measurement electrode is fixed to the measurement tube by the fixing means, only one end of the signal line is pressed and connected to the other end of the measurement electrode, and the electrode is removed when the electrode cover is removed. A pressing means attached to the cover and integrally removed from the measuring tube without detaching from the electrode cover;
An electromagnetic flow meter comprising: 前記信号線は圧着チップを介して前記測定電極に接続されたことThe signal line was connected to the measurement electrode via a crimping tip.
を特徴とする請求項１記載の電磁流量計。  The electromagnetic flow meter according to claim 1.
JP2005007079A 2005-01-14 2005-01-14 Electromagnetic flow meter Expired - Fee Related JP4631444B2 (en)

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JP6579315B2 (en) 2015-09-10 2019-09-25 東亜ディーケーケー株式会社 Residual chlorine measuring device and residual chlorine measuring method
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JPS59168131U (en) * 1983-04-25 1984-11-10 株式会社山武 Electrode mounting structure of electromagnetic flowmeter
JPS62174227U (en) * 1986-04-24 1987-11-05
JPH03121667U (en) * 1990-03-24 1991-12-12
JPH075003A (en) * 1993-04-14 1995-01-10 Yamatake Honeywell Co Ltd Electromagnetic flow meter
JPH10208790A (en) * 1997-01-23 1998-08-07 Sumitomo Wiring Syst Ltd Joint connector
JP2004163193A (en) * 2002-11-12 2004-06-10 Yokogawa Electric Corp Electromagnetic flowmeter
JP2004325150A (en) * 2003-04-23 2004-11-18 Yokogawa Electric Corp Electrode attaching/detaching device for electromagnetic flowmeter

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59168131U (en) * 1983-04-25 1984-11-10 株式会社山武 Electrode mounting structure of electromagnetic flowmeter
JPS62174227U (en) * 1986-04-24 1987-11-05
JPH03121667U (en) * 1990-03-24 1991-12-12
JPH075003A (en) * 1993-04-14 1995-01-10 Yamatake Honeywell Co Ltd Electromagnetic flow meter
JPH10208790A (en) * 1997-01-23 1998-08-07 Sumitomo Wiring Syst Ltd Joint connector
JP2004163193A (en) * 2002-11-12 2004-06-10 Yokogawa Electric Corp Electromagnetic flowmeter
JP2004325150A (en) * 2003-04-23 2004-11-18 Yokogawa Electric Corp Electrode attaching/detaching device for electromagnetic flowmeter

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