CN111912474A - High-voltage-resistant electrode connecting structure of electromagnetic flowmeter sensor - Google Patents
High-voltage-resistant electrode connecting structure of electromagnetic flowmeter sensor Download PDFInfo
- Publication number
- CN111912474A CN111912474A CN202010676340.1A CN202010676340A CN111912474A CN 111912474 A CN111912474 A CN 111912474A CN 202010676340 A CN202010676340 A CN 202010676340A CN 111912474 A CN111912474 A CN 111912474A
- Authority
- CN
- China
- Prior art keywords
- electrode
- insulating
- wall
- voltage
- measuring tube
- 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.)
- Withdrawn
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
- G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
- G01F1/584—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters constructions of electrodes, accessories therefor
Abstract
The invention relates to a high-voltage-resistant electrode connecting structure of an electromagnetic flowmeter sensor, which comprises an electrode assembly and a measuring tube, wherein an insulating lining is embedded on the inner wall of the measuring tube, and an insulating partition plate and a flow guide pipe are arranged outside the insulating lining; the electrode assembly comprises a T-shaped electrode and a lead, the T-shaped electrode comprises a working electrode and an electrode lead, the electrode lead penetrates through an electrode lead tube, and the electrode lead tube is embedded in the inner wall groove of the flow guide tube; the T-shaped electrode is divided into an insertion end and a wiring end, an electrode jack is arranged on the measuring tube, insulating linings are arranged on the inner wall of the measuring tube and the wall of the electrode jack, and an accommodating groove is arranged on the inner wall of the measuring tube; an insulating bush is sleeved outside the wiring end; an annular insulating sleeve is arranged between the T-shaped electrode and the inner wall of the accommodating groove, and an insulating cavity is formed by the insulating lining, the annular insulating sleeve and the insulating bush. The high-voltage-resistant electrode connecting structure has the advantages of strong sealing performance, high connecting strength, safety and reliability, and can realize the vertical pipeline installation.
Description
Technical Field
The invention belongs to the technical field of liquid measurement in the industries of petroleum, chemical industry, steel, construction, water conservancy and the like, and particularly relates to a high-voltage-resistant electrode connecting structure of an electromagnetic flowmeter sensor.
Background
The sensor of the electromagnetic flowmeter is used for measuring the amount of flowing liquid, the sensor is formed by packaging and combining electrodes and coils, the sensor is used for accurately converting signals detected by the measuring sensor into electric signals for calculation, and the calculated value is the amount of the flowing liquid passing through the electromagnetic flowmeter. The internal electrode and coil packaging structure of the original common type most high-voltage electromagnetic flow sensor is simple and straight. Generally, the device is installed on a horizontal pipeline and is not suitable for being installed on a vertical pipeline. In addition, most of the existing electromagnetic flowmeter shells are formed by welding steel pipes, and the pipe walls are thin, so that when external electromagnetic interference and temperature change occur, the influence is large, and the metering is sometimes inaccurate. The lining structure of the existing electromagnetic flowmeter package is of a parallel structure, and is limited and inconvenient when a displayed instrument part is installed.
Disclosure of Invention
The invention aims to solve the problems and provides a high-voltage-resistant electrode connecting structure of an electromagnetic flowmeter sensor, which has the advantages of strong sealing performance, high connecting strength, safety and reliability and can realize vertical pipeline installation.
In order to achieve the purpose, the invention provides the following technical scheme:
a high-voltage-resistant electrode connecting structure of an electromagnetic flowmeter sensor comprises an electrode assembly and a measuring tube, wherein an insulating lining is embedded on the inner wall of the measuring tube, an insulating partition plate is arranged on the outer side of the insulating lining, and a flow guide pipe is arranged on the outer side of the insulating partition plate;
the electrode assembly comprises two T-shaped electrodes and two-core leads, the T-shaped electrodes comprise working electrodes and electrode leads, the electrode leads penetrate through electrode lead tubes, and the electrode lead tubes are embedded in inner wall grooves of the flow guide tube;
the T-shaped electrode is divided into an insertion end and a wiring end, the measuring tube is provided with an electrode jack, insulating linings are arranged on the inner wall of the measuring tube and the hole wall of the electrode jack, and the inner wall of the measuring tube is provided with an accommodating groove; an insulation bushing is sleeved on the outer side of the wiring end, and a T-shaped electrode is fixed in the accommodating groove and connected with a lead through a metal compression nut between the insulation bushing and the accommodating groove; an annular insulating sleeve is arranged between the T-shaped electrode and the inner wall of the accommodating groove, and an insulating cavity is formed by the insulating lining, the annular insulating sleeve and the insulating lining sleeve to isolate the T-shaped electrode from the measuring pipe.
Furthermore, the top ends of the flow guide pipe, the electrode lead and the electrode lead pipe are connected with a display instrument through flanges.
Further, the conducting wire is two-core 0.25mm2And the exterior of the wire is provided with a PEA outer sleeve.
Furthermore, the insulating lining is embedded on the inner wall of the measuring pipeline and made of tetrafluoroethylene material.
Further, the annular insulating sleeve is an O-shaped ring.
Further, the fixing screw of the T-shaped electrode penetrates through the insulating lining and the measuring pipe.
Furthermore, the through hole formed in the insulating lining is a T-shaped groove.
Compared with the prior art, the invention has the beneficial effects that:
the electrode is arranged and fixed in symmetrical concave surfaces at the inner side of the insulating lining, and the electrode fixing screw penetrates through the insulating lining and the measuring pipeline. The insulating lining is embedded and attached to the inner wall of the measuring pipeline, and the electrode is in more sufficient contact with the insulating lining and has stronger sealing property under the action of high voltage. The insulating lining, the annular insulating sleeve and the insulating bush form an insulating cavity, so that the electrode and the metal measuring tube are well isolated, and the insulating property is ensured to be reliable. The holding tank can reduce the length of the protruding buret of surveying of electrode for the protruding part of electrode is difficult for being touched less, can realize being connected between metal gland nut and the metal survey buret moreover, and joint strength is more guaranteed, and connects more reliably. The invention is provided with a T-shaped angle type mounting structure inside, leads the slotted electrode sensor to the outside of the shell and is freely connected with a display instrument, and the invention is suitable for mounting on a vertical pipeline. The sensor has reliable sealing in the flowmeter and does not contact with the outer shell, the insulating lining is made of tetrafluoroethylene material, and the electrode groove is tightly covered by the insulating plate so as to prevent the electrode groove from contacting with outer metal and influencing measurement. The high-voltage electromagnetic flowmeter sensor is compact in design structure, practical and convenient, the unique electromagnetic flowmeter angle type structure sensor is easy to disassemble and split to calibrate, and complicated work such as disassembling a flowmeter high-voltage flange is avoided.
Drawings
In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings needed to be used in the description of the embodiment will be briefly introduced below, it is obvious that the drawings in the following description are only for more clearly illustrating the embodiment of the present invention or the technical solution in the prior art, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1-flow guide tube, 2-insulating separator, 3-insulating lining, 4-electrode component, 5-electrode lead, 6-electrode lead tube, 7-flange, 8-flow guide tube inner wall groove, 9-measuring tube and 10-holding groove.
Detailed Description
In order to make the technical solutions of the present invention better understood and implemented by those skilled in the art, the present invention is further described with reference to the following specific examples, which are provided for illustration only and are not intended to limit the present invention.
As shown in fig. 1, the high-voltage-resistant electrode connection structure of the electromagnetic flowmeter sensor comprises an electrode assembly 4 and a measuring tube 9, wherein an insulating lining 3 is embedded on the inner wall of the measuring tube 9, an insulating partition plate 2 is arranged on the outer side of the insulating lining 3, and a flow guide pipe 1 is arranged on the outer side of the insulating partition plate 2.
The electrode assembly 4 comprises two T-shaped electrodes and two cores of 0.25mm2The T-shaped electrode comprises a working electrode and an electrode lead 5, the electrode lead 5 penetrates through an electrode lead tube 6, and the electrode lead tube 6 is embedded in a wall groove 8 in the flow guide tube.
The T-shaped electrode is divided into an insertion end and a wiring end, an electrode jack is arranged on the measuring tube 9, insulating linings 3 are arranged on the inner wall of the measuring tube 9 and the hole wall of the electrode jack, and an accommodating groove 10 is arranged on the inner wall of the measuring tube 9; the wiring terminal outside cover is equipped with insulating bush, is fixed in the holding tank 10 with T type electrode through metal gland nut between insulating bush and the holding tank 10 and is connected the wire that the outside has the PEA overcoat, and the set screw of T type electrode runs through insulating lining 3 and survey buret 9.
Be provided with annular insulating cover (O type circle) between the inner wall of T type electrode and holding tank 10, insulating lining 3, annular insulating cover and insulating bush form insulating cavity, have kept apart electrode and metal survey buret 9 well, guarantee insulating reliable. The top ends of the flow guide pipe 1, the electrode lead 5 and the electrode lead pipe 6 are connected with a display instrument through a flange 7.
As a preferable scheme of the invention, the insulating lining 3 is embedded on the inner wall of the measuring pipeline and is made of a tetrafluoroethylene material. The insulating lining 3 is provided with a through hole which is a T-shaped groove.
The invention relates to a high-voltage-resistant electrode connecting structure of an electromagnetic flowmeter sensor, which comprises an insulating lining 3 and at least two T-shaped electrodes. T type electrode installation is fixed in the concave surface of 3 inboard symmetries of insulating lining, and T type electrode set screw runs through insulating lining and survey buret 9, and insulating lining 3 is inlayed and is adorned in surveying 9 inner walls of burets, and T type electrode is stronger, intensity is more guaranteed with 3 contacts abundant leakproofness more of insulating lining under the high-pressure effect, connects more reliably.
The high-voltage resistant electrode connecting structure of the electromagnetic flowmeter sensor with the structure is an angle type mounting structure, and then the electrode sensor is led out of the shell to be connected with a display instrument, so that the high-voltage resistant electrode connecting structure is a vertical structure, which is completely different from the original high-voltage electromagnetic flowmeter sensor. The lining structure of the packaging is a T-shaped angle type internal construction principle (originally a parallel construction), so that the lining structure can be freely combined with the instrument part of the display.
The structure of the high-voltage electromagnetic flowmeter sensor belongs to a T-shaped angle type structure, a slot is led to a display instrument, and the sensor is reliably sealed in the flowmeter and cannot be in contact with a shell. The insulating lining 3 is made of tetrafluoroethylene material, and the accommodating groove 10 is tightly covered by the insulating partition 2 so as to prevent the contact with external metal and influence measurement. The high-voltage electromagnetic flowmeter sensor is compact in design structure, practical and convenient, the unique electromagnetic flowmeter angle type structure sensor is easy to disassemble and split to calibrate, and complicated work such as disassembling a flowmeter high-voltage flange is avoided.
The high-voltage resistant electrode connecting structure of the electromagnetic flow flowmeter sensor is arranged in a high-voltage flowmeter and used for measuring the amount of liquid flowing under high voltage (more than 10 MPa), a T-shaped angle type mounting structure is arranged in the high-voltage flowmeter, the slotted lead of the electrode sensor is led out of a shell and freely connected with an instrument, and the high-voltage resistant electrode connecting structure is suitable for being mounted on a vertical pipeline.
When the structure is installed on a vertical pipeline, four holes which can be connected with the outside are arranged between the electrode lead pipes on the upper part, one side of each hole is connected with the parallel pipeline by installing the structure on the corner of the vertical pipeline, and oil passes through the insulating lining 3, then vertically upwards and enters the parallel pipeline from the holes connected with the parallel pipeline through the corners.
The details of the present invention not described in detail are prior art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The high-voltage-resistant electrode connecting structure of the electromagnetic flowmeter sensor is characterized by comprising an electrode assembly (4) and a measuring tube (9), wherein an insulating lining (3) is embedded on the inner wall of the measuring tube (9), an insulating partition plate (2) is arranged on the outer side of the insulating lining (3), and a flow guide pipe (1) is arranged on the outer side of the insulating partition plate (2);
the electrode assembly (4) comprises two T-shaped electrodes and two-core leads, the T-shaped electrodes comprise working electrodes and electrode leads (5), the electrode leads (5) penetrate through electrode lead tubes (6), and the electrode lead tubes (6) are embedded in inner wall grooves (8) of the flow guide tube;
the T-shaped electrode is divided into an insertion end and a wiring end, an electrode jack is arranged on the measuring tube (9), insulating linings (3) are arranged on the inner wall of the measuring tube (9) and the hole wall of the electrode jack, and a holding groove (10) is arranged on the inner wall of the measuring tube (9); an insulating bush is sleeved on the outer side of the wiring terminal, and a T-shaped electrode is fixed in the accommodating groove (10) and connected with a lead through a metal compression nut between the insulating bush and the accommodating groove (10); be provided with the insulating cover of annular between the inner wall of T type electrode and holding tank (10), insulating lining (3), the insulating cover of annular and insulating bush form insulating cavity, keep apart T type electrode and survey buret (9).
2. The high-voltage-resistant electrode connecting structure of the electromagnetic flowmeter sensor according to claim 1, wherein the top ends of the flow guide tube (1), the electrode lead (5) and the electrode lead tube (6) are connected with a display instrument through a flange (7).
3. The electromagnetic flowmeter sensor high voltage tolerant electrode connection structure of claim 1, wherein the wire is two-core 0.25mm2And the exterior of the wire is provided with a PEA outer sleeve.
4. The high-voltage-resistant electrode connecting structure of the electromagnetic flowmeter sensor according to claim 1, wherein the insulating lining (3) is embedded on the inner wall of the measuring pipeline and is made of tetrafluoroethylene material.
5. The electromagnetic flowmeter sensor high pressure resistant electrode connection structure of claim 1, wherein the annular insulating sleeve is an O-ring.
6. The high voltage resistant electrode connection structure of an electromagnetic flow meter sensor according to claim 1, wherein the fixing screw of the T-shaped electrode penetrates the insulating lining (3) and the measuring tube (9).
7. The high-voltage-resistant electrode connecting structure of the electromagnetic flow meter sensor according to any one of claims 1 to 6, characterized in that the through hole formed in the insulating lining (3) is a T-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010676340.1A CN111912474A (en) | 2020-07-14 | 2020-07-14 | High-voltage-resistant electrode connecting structure of electromagnetic flowmeter sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010676340.1A CN111912474A (en) | 2020-07-14 | 2020-07-14 | High-voltage-resistant electrode connecting structure of electromagnetic flowmeter sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111912474A true CN111912474A (en) | 2020-11-10 |
Family
ID=73280347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010676340.1A Withdrawn CN111912474A (en) | 2020-07-14 | 2020-07-14 | High-voltage-resistant electrode connecting structure of electromagnetic flowmeter sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111912474A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116026424A (en) * | 2022-12-19 | 2023-04-28 | 安徽金大仪器有限公司 | Sealing structure of plug-in electromagnetic flowmeter and preparation method |
-
2020
- 2020-07-14 CN CN202010676340.1A patent/CN111912474A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116026424A (en) * | 2022-12-19 | 2023-04-28 | 安徽金大仪器有限公司 | Sealing structure of plug-in electromagnetic flowmeter and preparation method |
| CN116026424B (en) * | 2022-12-19 | 2023-11-03 | 安徽金大仪器有限公司 | Sealing structure of plug-in electromagnetic flowmeter and preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101629836B (en) | Target type fiber grating liquid flowmeter | |
| CN1035891A (en) | The electrode assembly of electromagnetic flowmeter | |
| CN111912474A (en) | High-voltage-resistant electrode connecting structure of electromagnetic flowmeter sensor | |
| CN105490076A (en) | Capacitive sensor lead sealing plug suitable for vacuum or high-voltage environment | |
| CN210375302U (en) | Differential pressure type accumulator liquid level meter | |
| CN110625338B (en) | Preparation process of explosion-proof magnetostrictive liquid level meter | |
| CN102072755B (en) | electrode liquid level sensor | |
| CN209727178U (en) | A kind of undergauge type electromagnetism water meter | |
| CN210221163U (en) | Electrode sealing structure of electromagnetic flowmeter | |
| CN210464567U (en) | Electromagnetic flowmeter | |
| CN214333911U (en) | High-precision electromagnetic flowmeter | |
| CN201765014U (en) | Electrode liquid level sensor | |
| CN202734918U (en) | High-temperature and high-pressure resistant sectional capacitance level transmitter | |
| CN103234588A (en) | On-line replaceable invisible induction type flow meter | |
| CN208847396U (en) | A kind of pressure instrumentation additional reservoir | |
| CN208736825U (en) | For the experiment device for couple corrosion under high temperature and high pressure environment | |
| CN215952847U (en) | Submersible differential pressure remote transmitter and measuring system | |
| CN214173462U (en) | Leakage-proof magnetic flowmeter | |
| CN205580532U (en) | 8 electrode structure's electric -magnetic flow meter | |
| CN111912472A (en) | Electromagnetic flowmeter sensor electrode and lining packaging structure | |
| CN105865546B (en) | Solid flow meter mounting structure | |
| CN205209561U (en) | Capacitive electromagnetic flow meter | |
| CN215574801U (en) | Integrated multi-probe layered scanning high-precision measurement probe rod structure | |
| CN212458483U (en) | Electrode lead structure of electromagnetic flowmeter sensor | |
| CN220187919U (en) | Pressure appearance field detects connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201110 |