JP5207209B2 - Electromagnetic flow meter - Google Patents
Electromagnetic flow meter Download PDFInfo
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- JP5207209B2 JP5207209B2 JP2008126589A JP2008126589A JP5207209B2 JP 5207209 B2 JP5207209 B2 JP 5207209B2 JP 2008126589 A JP2008126589 A JP 2008126589A JP 2008126589 A JP2008126589 A JP 2008126589A JP 5207209 B2 JP5207209 B2 JP 5207209B2
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Description
本発明は、電磁流量計に関するものである。 The present invention relates to an electromagnetic flow meter.
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。 Prior art documents related to electromagnetic flow meters include the following.
図８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１の内周面にはライニング体２がライニングされている。
この場合は、ＰＦＡライニングが使用されている。
３は、測定管１に設けられ、電極等からのリードを取り出す電極部である。
FIG. 8 is an explanatory diagram showing the configuration of the main part of a conventional example that is generally used.
In the figure, a lining body 2 is lined on the inner peripheral surface of the measuring tube 1.
In this case, PFA lining is used.
Reference numeral 3 denotes an electrode portion that is provided in the measurement tube 1 and takes out leads from the electrodes and the like.
測定管１には、アリ溝４が設けられ、測定管１からのライニング体２の剥離を防止し、ライニング体２の変形を防止し固定している。
ベントホール５は、測定管１に設けられ、ライニング体２の透過性ある測定流体が、測定管１とライニング体２の境界に溜まるのを排出する。
The measurement tube 1 is provided with a dovetail groove 4 to prevent the lining body 2 from peeling from the measurement tube 1 and to prevent the lining body 2 from being deformed and fixed.
The vent hole 5 is provided in the measurement tube 1 and discharges the measurement fluid that is permeable to the lining body 2 from being accumulated at the boundary between the measurement tube 1 and the lining body 2.
このような装置においては、以下の間題点がある。
ライニング体２のライニング成形冷却後に、ライニング体２がアリ溝４の斜面に密着することにより、アリ溝４の斜面とライニング体２との間に、強固なシール部が生ずる。
電極部３とアリ溝４の間に浸透した測定流体は、ベントホール５に到着できず、電極部３に排出される。
このため、電極部３の絶縁性を劣化させたトラブルがしばしばあった。
Such an apparatus has the following problems.
After the lining body 2 is cooled by lining molding, the lining body 2 comes into close contact with the inclined surface of the dovetail groove 4, thereby forming a strong seal portion between the inclined surface of the dovetail groove 4 and the lining body 2.
The measurement fluid that has permeated between the electrode portion 3 and the dovetail groove 4 cannot reach the vent hole 5 and is discharged to the electrode portion 3.
For this reason, there were often troubles that deteriorated the insulating properties of the electrode part 3.
本発明の目的は、上記の課題を解決するもので、電極部の絶縁性の劣化を防止できる電磁流量計を提供することにある。 An object of the present invention is to solve the above-described problems, and to provide an electromagnetic flow meter that can prevent deterioration of insulating properties of an electrode portion.
このような課題を達成するために、本発明では、請求項１の半導体試験装置においては、
測定管の内周面にリング状に設けられたアリ溝に係止されるライニング体と、前記測定管に設けられ前記ライニング体を透過した測定流体を排出するベントホールとを具備する電磁流量計において、前記測定管の内径周面にリング状に設けられた凹状の溝と、この溝の両側面にそれぞれ配置されこの溝と前記アリ溝を構成する斜面部を有する第１，第２のアリ溝リングとを有し前記アリ溝の少なくとも一箇所に測定管の管軸方向に前記測定管と前記第１，第２のアリ溝リング及び前記ライニング体との境界を通って設けられ前記ライニング体を透過した測定流体が前記アリ溝を通過して前記ベントホールに排出される隙間通路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 semiconductor test apparatus of claim 1,
An electromagnetic flowmeter comprising: a lining body that is engaged with a dovetail groove provided in a ring shape on the inner peripheral surface of the measurement tube; and a vent hole that is provided in the measurement tube and discharges a measurement fluid that has passed through the lining body. The first and second dovetail grooves each have a concave groove provided in a ring shape on the inner peripheral surface of the measurement tube, and slope portions that are arranged on both side surfaces of the groove and constitute the groove and the dovetail groove, respectively. A groove ring, and provided in at least one portion of the dovetail groove in a tube axis direction of the measurement tube through a boundary between the measurement tube, the first and second dovetail ring rings, and the lining body. The measurement fluid which permeate | transmitted passed the said dovetail groove, and comprised the clearance gap path | route which is discharged | emitted by the said vent hole, It is characterized by the above-mentioned.
本発明の請求項２の電磁流量計においては、請求項１記載の電磁流量計において、
前記排出通路手段は、前記アリ溝を構成する斜面部分を前記測定管の管軸に直交する平面で切り取り矩形状断面にして前記測定管と前記ライニング体との境界を通って設けられた第１の隙間通路を具備したことを特徴とする。
In the electromagnetic flow meter according to claim 2 of the present invention, in the electromagnetic flow meter according to claim 1,
The discharge passage means is a first portion provided through a boundary between the measurement tube and the lining body by cutting a sloped portion constituting the dovetail groove in a plane perpendicular to the tube axis of the measurement tube into a rectangular cross section. It is characterized by comprising a gap passage.
本発明の請求項２の電磁流量計においては、請求項１記載の電磁流量計において、In the electromagnetic flow meter according to claim 2 of the present invention, in the electromagnetic flow meter according to claim 1,
前記第１，第２のアリ溝リングの前記斜面部の反対面に設けられた集中排出溝Concentrated discharge groove provided on the opposite surface of the slope portion of the first and second dovetail rings
を具備したことを特徴とする。 It is characterized by comprising.
本発明の請求項１によれば、次のような効果がある。
隙間通路が設けられたので、電極部側に透過した測定流体をベントホールに排出できるので、電極部の絶縁性の劣化を防止できる電磁流量計が得られる。
According to claim 1 of the present invention, there are the following effects.
Since the gap passage is provided, the measurement fluid that has permeated the electrode portion side can be discharged to the vent hole, so that an electromagnetic flow meter that can prevent deterioration of the insulating properties of the electrode portion can be obtained.
測定管の内径周面にリング状に設けられた凹状の溝と、この溝の両側面にそれぞれ配置されこの溝とアリ溝を構成する斜面部を有する第１，第２のアリ溝リングとを具備し、測定管と第１，第２のアリ溝リング及びライニング体との境界を通って設けられた隙間通路が設けられたので、一部分のアリ溝の斜面部分を測定管の内側より削り落とす必要がなく、凹状の溝に、第１，第２のアリ溝リングを取り付ければよいので、加工、組立が容易な電磁流量計が得られる。 A concave groove provided in the shape of a ring on the inner peripheral surface of the measuring tube , and first and second dovetail rings having inclined portions that are respectively arranged on both side surfaces of the groove and constitute the groove and the dovetail groove. Since there is a clearance passage provided through the boundary between the measurement tube and the first and second dovetail rings and the lining body, the slope portion of a part of the dovetail is scraped off from the inside of the measurement tube Since there is no need to attach the first and second dovetail rings to the concave groove, an electromagnetic flow meter that is easy to process and assemble 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。
第１，第２のアリ溝リングの斜面部の反対面に設けられた集中排出溝が設けられたので、透過した測定流体の排除がし易い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 concentrated discharge groove provided on the opposite surface of the slope portion of the first and second dovetail rings is provided, an electromagnetic flow meter that can easily remove the permeated measurement fluid can be 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の側面図、図３は図１の要部構成説明図である。
図において、図８と同一記号の構成は同一機能を表す。
以下、図８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, FIG. 2 is a side view of FIG. 1, and FIG. 3 is a diagram illustrating the configuration of the main part of FIG.
In the figure, the same symbols as those in FIG. 8 represent the same functions.
Only the difference from FIG. 8 will be described below.
図１において、排出通路手段１１は、アリ溝４の少なくとも一箇所に設けられ、ライニング体２を透過した測定流体を、アリ溝４を迂回してベントホール５に排出する。
この場合は、排出通路手段１１は、アリ溝４を構成する斜面部分４１を、測定管１の管軸に直交する平面で切り取り矩形状断面にして、測定管１とライニング体２との境界を通って設けられた第１の隙間通路１１１を有する。
In FIG. 1, the discharge passage means 11 is provided in at least one place of the dovetail groove 4, and discharges the measurement fluid that has passed through the lining body 2 to the vent hole 5 bypassing the dovetail groove 4.
In this case, the discharge passage means 11 cuts the slope portion 41 constituting the dovetail groove 4 with a plane perpendicular to the tube axis of the measurement tube 1 to make a rectangular cross section, and the boundary between the measurement tube 1 and the lining body 2 is defined. A first gap passage 111 is provided therethrough.
以上の構成において、電極部３側に透過した測定流体は、図３に矢印Ｂに示す如く、アリ溝４の斜面部分４１が取り除かれた部分の第１の隙間通路１１１を通ってベントホール５に排出される。 In the above configuration, the measurement fluid permeated to the electrode portion 3 side passes through the first gap passage 111 where the slope portion 41 of the dovetail groove 4 is removed, as shown by an arrow B in FIG. To be discharged.
この結果、排出通路手段１１は、アリ溝４の少なくとも一箇所に設けられ、アリ溝４を構成する斜面４１の部分を、測定管１の管軸に直交する平面で切り取り矩形状断面Ａにして、測定管１とライニング体２との境界を通って設けられた第１の隙間通路１１１が設けられたので、簡潔な構成により、安価な電磁流量計が得られる。 As a result, the discharge passage means 11 is provided in at least one place of the dovetail groove 4, and a portion of the inclined surface 41 constituting the dovetail groove 4 is cut out by a plane perpendicular to the tube axis of the measuring tube 1 to form a rectangular cross section A. Since the first gap passage 111 provided through the boundary between the measuring tube 1 and the lining body 2 is provided, an inexpensive electromagnetic flow meter can be obtained with a simple configuration.
第２の隙間通路２１４は、測定管１と第１，第２のアリ溝リング２１２，２１３及びライニング体２との境界を通って設けられている。
図７に示す如く、集中排出溝２１２２，２１３２は、第１，第２のアリ溝リング２１２，２１３の斜面部２１２１，２１３１の反対面に設けられている。
The second gap passage 214 is provided through the boundary between the measurement tube 1, the first and second dovetail rings 212 and 213, and the lining body 2.
As shown in FIG. 7, the concentrated discharge grooves 2122 and 2132 are provided on the opposite surfaces of the slope portions 2121 and 2131 of the first and second dovetail rings 212 and 213.
以上の構成において、ライニング体２がライニングされる。
そして、電極部３側に透過した測定流体は、図５に矢印Ｃに示す如く、集中排出溝２１２２，２１３２を通り、測定管１と第１，第２のアリ溝リング２１２，２１３及びライニング体２との境界を通って設けられた第２の隙間通路２１４を通ってベントホール５に排出される。
In the above configuration, the lining body 2 is lined.
And the measurement fluid which permeate | transmitted the electrode part 3 side passes through the concentrated discharge grooves 2122 and 2132 as shown by the arrow C in FIG. 5, and the measurement tube 1, the first and second dovetail rings 212 and 213, and the lining body. 2 is discharged to the vent hole 5 through the second gap passage 214 provided through the boundary with the second gap passage 214.
この結果、排出通路手段２１は、測定管１の内径周面にリング状に設けられた凹状の溝２１１と、この溝２１１の両端にそれぞれ配置され、この溝とアリ溝を構成する斜面部２１２１，２１３１を有する第１，第２のアリ溝リング２１２，２１３とを具備し、測定管１と第１，第２のアリ溝リング２１２，２１３及びライニング体２との境界を通って設けられた第２の隙間通路２１４が設けられたので、一部分のアリ溝の斜面部分を測定管１の内側より削り落とす必要がなく、凹状の溝に、第１，第２のアリ溝リング２１２，２１３を取り付ければよいので、加工、組立が容易な電磁流量計が得られる。 As a result, the discharge passage means 21 is provided with a concave groove 211 provided in a ring shape on the inner peripheral surface of the measuring tube 1, and inclined surfaces 2121 that are arranged at both ends of the groove 211 and constitute the groove and the dovetail groove. , 2131 having first and second dovetail rings 212 and 213, and provided through the boundary between the measuring tube 1, the first and second dovetail rings 212 and 213, and the lining body 2. Since the second gap passage 214 is provided, it is not necessary to scrape off the slope portion of a part of the dovetail groove from the inside of the measuring tube 1, and the first and second dovetail ring rings 212 and 213 are formed in the concave groove. An electromagnetic flow meter that can be easily processed and assembled can be obtained because it only needs to be attached.
第１，第２のアリ溝リングの斜面部２１２１，２１３１の反対面に設けられた集中排出溝２１２２，２１３２が設けられたので、透過した測定流体の排除がし易い電磁流量計が得られる。 Since the concentrated discharge grooves 2122 and 2132 provided on the opposite surfaces of the inclined surface portions 2121 and 2131 of the first and second dovetail rings are provided, an electromagnetic flow meter that can easily remove the permeated measurement fluid 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.
１ 測定管
２ ライニング体
３ 電極部
４ アリ溝
４１ 斜面部
５ ベントホール
１１ 排出通路手段
１１１ 第１の隙間通路
２１ 排出通路手段
２１１ 溝
２１２ 第１のアリ溝リング
２１２１ 斜面部
２１２２ 集中排出溝
２１３ 第２のアリ溝リング
２１３１ 斜面部
２１３２ 集中排出溝
２１４ 第２の隙間通路
DESCRIPTION OF SYMBOLS 1 Measurement tube 2 Lining body 3 Electrode part 4 Dovetail groove 41 Slope part 5
Claims (2)
前記測定管の内径周面にリング状に設けられた凹状の溝と、
この溝の両側面にそれぞれ配置されこの溝と前記アリ溝を構成する斜面部を有する第１，第２のアリ溝リングとを有し
前記アリ溝の少なくとも一箇所に測定管の管軸方向に前記測定管と前記第１，第２のアリ溝リング及び前記ライニング体との境界を通って設けられ前記ライニング体を透過した測定流体が前記アリ溝を通過して前記ベントホールに排出される隙間通路
を具備したことを特徴とする電磁流量計。 An electromagnetic flowmeter comprising: a lining body that is engaged with a dovetail groove provided in a ring shape on the inner peripheral surface of the measurement tube; and a vent hole that is provided in the measurement tube and discharges a measurement fluid that has passed through the lining body. In
A concave groove provided in a ring shape on the inner peripheral surface of the measurement tube;
The groove has first and second dovetail rings arranged on both side surfaces of the groove and having inclined portions constituting the dovetail groove, and at least one place of the dovetail groove in the tube axis direction of the measuring tube A clearance provided through the boundary between the measurement tube, the first and second dovetail rings and the lining body, and through which the measurement fluid that has passed through the lining body passes through the dovetail groove and is discharged to the vent hole. An electromagnetic flow meter comprising a passage .
を具備したことを特徴とする請求項２記載の電磁流量計。 The electromagnetic flow meter according to claim 2, further comprising:
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008126589A JP5207209B2 (en) | 2008-05-14 | 2008-05-14 | Electromagnetic flow meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008126589A JP5207209B2 (en) | 2008-05-14 | 2008-05-14 | Electromagnetic flow meter |
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| JP2009276158A JP2009276158A (en) | 2009-11-26 |
| JP5207209B2 true JP5207209B2 (en) | 2013-06-12 |
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| US9464927B2 (en) * | 2014-09-30 | 2016-10-11 | Micro Motion, Inc. | Magnetic flowmeter flowtube with process fluid venting assembly |
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| JPS55139419U (en) * | 1979-03-26 | 1980-10-04 | ||
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| JPS5748418U (en) * | 1980-09-03 | 1982-03-18 | ||
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