CN212458482U - Excitation coil lead structure of electromagnetic flowmeter sensor - Google Patents
Excitation coil lead structure of electromagnetic flowmeter sensor Download PDFInfo
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- CN212458482U CN212458482U CN202021387693.1U CN202021387693U CN212458482U CN 212458482 U CN212458482 U CN 212458482U CN 202021387693 U CN202021387693 U CN 202021387693U CN 212458482 U CN212458482 U CN 212458482U
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- coil lead
- flow guide
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- guide pipe
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Abstract
The utility model relates to an excitation coil lead structure of an electromagnetic flowmeter sensor, which comprises a flow guide pipe, wherein a first coil and a second coil are arranged outside the flow guide pipe, coil fixing pressing sheets are arranged on the outer surfaces of the first coil and the second coil for pressing, the coil fixing pressing sheets are concave at the middle part and have a convex structure at the two sides, and the concave part at the middle part is connected with the flow guide pipe through a detachable connecting piece; and coil leads on the first coil and the second coil penetrate through the coil lead tubes, and the coil lead tubes are vertically fixed through the guard plates arranged on the outer sides of the flow guide tubes. The coil lead is positioned in the inner hollow cavity of the coil lead tube, and the hollow cavity is filled with a sealed heat conducting insulating material to form a sealed heat conducting layer. The first coil and the second coil are excitation coils and form a right-angle structure with a liquid inlet pipe of the flow guide pipe. The utility model has the advantages that, the inside excitation coil of sensor becomes right angle structure with the pipeline inlet tube, and when external electromagnetic interference and the change temperature change, the coil work cutting magnetic line of force influence is little.
Description
Technical Field
The utility model belongs to the liquid flow detection field of trades such as oil, chemical industry, steel, building, water conservancy, concretely relates to electromagnetic flowmeter sensor excitation coil lead structure.
Background
An electromagnetic flow meter sensor measures the amount of liquid flowing. The sensor is also formed by packaging and combining electrodes and an excitation coil, and the function of the sensor is to accurately convert the flowing liquid into an electric signal for calculation, wherein the signal is detected by the measuring sensor. The calculated value is the flow passing through the electromagnetic flowmeter.
The excitation coil in most of the ordinary electromagnetic flowmeter sensors is simply and directly led out, and has great influence when external electromagnetic interference and temperature change occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, a magnetism flowmeter sensor excitation coil lead wire structure is provided, the inside excitation coil of sensor be with pipeline inlet tube one-tenth right angle structure, when external electromagnetic interference and the change temperature change, the coil work cuts magnetic line of force and influences little.
In order to achieve the above object, the utility model provides a following technical scheme:
a coil I and a coil II are arranged on the outer side of the flow guide pipe, coil fixing pressing sheets are arranged on the outer surfaces of the coil I and the coil II for pressing, the coil fixing pressing sheets are of a structure with a concave middle part and convex two sides, and the concave middle part is connected with the flow guide pipe through a detachable connecting piece; and coil leads on the first coil and the second coil penetrate through the coil lead pipes, and the coil lead pipes are vertically fixed through the protective plates arranged on the outer sides of the flow guide pipes.
Furthermore, the coil lead is positioned in an inner hollow cavity of the coil lead tube, and the hollow cavity is filled with a sealed heat conducting insulating material to form a sealed heat conducting layer.
Furthermore, the coil lead pipe is a seamless steel pipe with the diameter of 6 mm.
Furthermore, the first coil and the second coil are excitation coils and form a right-angle structure with a liquid inlet pipe of the flow guide pipe.
Further, the coil leads are at least three multi-strand parallel leads.
Further, the detachable connecting piece comprises an M4 bolt and an M4 nut.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a sensor excitation lead structure, including insulating processing poling sealing technique, still include three piece at least stranded parallel lead wires, lead wire seamless steel pipe, the lead wire is located steel pipe cavity intracavity, well cavity and pours into and form after sealed heat conduction is insulating sealed heat-conducting layer improves the insulating nature of excitation wire installation on the one hand to with lead wire and excitation coil line tie point totally enclosed, on the other hand derives the heat that the during operation of leading wire produced and the heat that the wire tie point produced through sealed heat-conducting layer rapidly, prevent that excitation coil and lead wire sealing department from appearing the gap because of expend with heat and contract with cold. The magnet exciting coil inside the sensor is in a right-angle structure with the pipeline water inlet pipe, and when external electromagnetic interference and temperature change occur, the influence of the work of the coil on cutting magnetic lines is small.
Drawings
In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings required 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 any creative effort.
Fig. 1 is a schematic view of the overall structure of the present invention;
in the figure: the coil comprises a 1-flow guide pipe, a 2-coil I, a 3-coil II, a 4-coil fixing pressing sheet, a 5-coil lead, a 6-coil lead pipe, a 7-guard plate, an 8-M4 bolt and a 9-M4 nut.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described with reference to the following specific embodiments, which are provided as illustration only and are not intended to limit the present invention.
The magnet exciting coil lead structure of the electromagnetic flowmeter sensor shown in fig. 1 comprises a flow guide tube 1, wherein a first coil 2 and a second coil 3 are arranged outside the flow guide tube 1, coil fixing pressing sheets 4 are arranged on the outer surfaces of the first coil 2 and the second coil 3 for pressing, the coil fixing pressing sheets 4 are of a structure with a concave middle part and convex two sides, and the concave part in the middle is detachably connected with the flow guide tube 1 through an M4 bolt 8 and an M4 nut 9; the coil I2 and the coil II 3 are excitation coils, the coil lead 5 on the coil I2 and the coil II 3 penetrates through the coil lead pipe 6, the coil lead pipe 6 is a seamless steel pipe with the thickness of 6mm, and the coil lead 5 is at least three multi-strand parallel leads. The coil lead 5 is positioned in the inner hollow cavity of the coil lead tube 6, and the hollow cavity is filled with a sealing heat conduction insulating material to form a sealing heat conduction layer. Improve the insulating nature of excitation coil installation on the one hand to with the tie point full seal of coil lead wire 5 and excitation coil, on the other hand derives the heat that coil lead wire 5 during operation produced and the heat that the wire tie point produced rapidly through sealed heat-conducting layer, prevents that excitation coil and 5 sealed departments of coil lead wire from appearing the gap because of expending with heat and contracting with cold. And the coil lead tube 6 is vertically fixed through a guard plate 7 arranged on the outer side of the flow guide tube 1.
The utility model discloses electromagnetic flowmeter's lining structure belongs to T type fluting right angle and leads to the display instrument at its top, and interior lining adopts the polytetrafluoroethylene material, because the utility model discloses the encapsulation adopts lining structure, is the inner structure principle of T type (original is parallel construction), so the inside excitation coil of sensor is to become right angle structure with 1 feed liquor pipe of honeycomb duct, and when external electromagnetic interference and the temperature change changed, the coil work cutting magnetic line of force influences little.
The present invention is not described in detail in the prior art.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The excitation coil lead structure of the electromagnetic flowmeter sensor is characterized by comprising a flow guide pipe (1), wherein a first coil (2) and a second coil (3) are arranged on the outer side of the flow guide pipe (1), coil fixing pressing sheets (4) are arranged on the outer surfaces of the first coil (2) and the second coil (3) for pressing, the coil fixing pressing sheets (4) are of a structure with a concave middle part and convex two sides, and the concave part of the middle part is connected with the flow guide pipe (1) through a detachable connecting piece; coil lead wires (5) on coil one (2) and coil two (3) run through coil lead tube (6), coil lead tube (6) carry out vertical fixed through backplate (7) that honeycomb duct (1) outside set up.
2. An electromagnetic flow meter sensor excitation coil lead structure according to claim 1, characterized in that the coil lead (5) is located in an inner hollow cavity of the coil lead tube (6), and the hollow cavity is filled with a heat-conducting and insulating material to form a heat-conducting and sealing layer.
3. An electromagnetic flowmeter sensor field coil lead configuration according to claim 1, characterized in that the coil lead tube (6) is a 6mm seamless steel tube.
4. The field coil lead structure of an electromagnetic flow meter sensor according to claim 1, characterized in that the first coil (2) and the second coil (3) are field coils which are arranged at right angles to the liquid inlet pipe of the flow guide pipe (1).
5. An electromagnetic flowmeter sensor field coil lead configuration according to claim 1, wherein the coil leads (5) are at least three multi-strand parallel leads.
6. An electromagnetic flow meter sensor field coil lead configuration according to any of claims 1 to 5, wherein the detachable connections comprise M4 bolt (8) and M4 nut (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021387693.1U CN212458482U (en) | 2020-07-14 | 2020-07-14 | Excitation coil lead structure of electromagnetic flowmeter sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021387693.1U CN212458482U (en) | 2020-07-14 | 2020-07-14 | Excitation coil lead structure of electromagnetic flowmeter sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212458482U true CN212458482U (en) | 2021-02-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021387693.1U Active CN212458482U (en) | 2020-07-14 | 2020-07-14 | Excitation coil lead structure of electromagnetic flowmeter sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212458482U (en) |
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2020
- 2020-07-14 CN CN202021387693.1U patent/CN212458482U/en active Active
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