CN216385824U - Electromagnetic water meter sensor - Google Patents
Electromagnetic water meter sensor Download PDFInfo
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- CN216385824U CN216385824U CN202122600937.0U CN202122600937U CN216385824U CN 216385824 U CN216385824 U CN 216385824U CN 202122600937 U CN202122600937 U CN 202122600937U CN 216385824 U CN216385824 U CN 216385824U
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- flow guide
- water meter
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Abstract
The utility model relates to an electromagnetic water meter sensor, which comprises an F4 lining, a flow guide pipe, a measuring electrode, a flange, an excitation coil, a pole shoe, a magnetic yoke and a shell, wherein the flow guide pipe is internally lined with an F4 lining, is not provided with a flanging and is flush with a flange boss surface, and the F4 lining is provided with a grounding hole; a pair of measuring electrode locking F4 linings are symmetrically assembled at the electrode hole position of the flow guide pipe, and a disc spring is fastened by using a locking nut; the upper magnet exciting coil and the lower magnet exciting coil are placed in the middle, an iron core is arranged in the magnet exciting coils and welded and fixed on the flow guide pipe, and a closed-loop magnetic circuit is formed by the magnet exciting coils and the magnet yoke on the outer side. The utility model adopts polytetrafluoroethylene as a lining material, adopts a 304 stainless steel material as a liquid receiving material, has the performances of pressure resistance, sealing and the like which meet the industrial standard of a cold water meter, adopts a large iron core as a pole shoe, cancels a grounding electrode, improves an electrode assembly mode and a sealing structure, and has wider application scenes of the sensor of the type.
Description
Technical Field
The utility model relates to the field of electromagnetic water meters, in particular to an electromagnetic water meter sensor structure.
Background
The electromagnetic water meter has the advantages of high measurement precision, no flow blocking part, good stability and the like, so that the application scenes are more and more extensive, and the research and development and popularization of various manufacturers are also actively carried out. The main body basic measuring mechanism is a sensor component, the manufacturing process is mature, vulcanized chloroprene rubber is used as a main body lining, and the sensor component runs for years on site, but the process is complex, the production period is long, and the sensor component has great influence on the stock and delivery date. Aiming at the phenomenon, a sensor which is simpler and can meet various performance requirements of the electromagnetic water meter is manufactured.
Disclosure of Invention
The utility model provides an electromagnetic water meter sensor, which adopts polytetrafluoroethylene as a lining material, adopts a liquid receiving material as a 304 stainless steel material, has the performances of pressure resistance, sealing and the like which accord with the industrial standard of a cold water meter, adopts a large iron core as a pole shoe, cancels a grounding electrode, improves an electrode assembly mode and a sealing structure, and has wider application scenes.
In order to achieve the above object, the technical solution of the present invention is as follows:
an electromagnetic water meter sensor comprises an F4 lining, a flow guide pipe, a pair of measuring electrodes, a flange, an excitation coil, a pole shoe, a magnetic yoke and a shell, and is characterized in that:
an F4 lining is arranged in the draft tube;
the F4 lining is not flanged and is flush with the flange boss surface;
the F4 lining is provided with a grounding hole;
a pair of measuring electrodes is symmetrically arranged on the inner wall of the flow guide pipe;
the excitation coil is placed in the middle;
the magnet yoke is sleeved on the periphery of the measuring tube;
the pole shoe is welded and fixed on the flow guide pipe;
the shell seals the parts of the whole magnetic circuit into a cavity.
The utility model has the beneficial effects that:
(1) the electromagnetic water meter sensor reduces the flanging cost of the lining, glue for bonding is not added in the lining, and the liquid-receiving part is made of environment-friendly materials.
(2) The electromagnetic water meter sensor improves the electrode assembling mode and the sealing structure, reduces the operation difficulty and can effectively ensure the sealing strength.
(3) The electromagnetic water meter sensor reduces grounding electrodes and can effectively achieve the purpose of reliable grounding.
(4) The electromagnetic water meter sensor is not limited to tap water in use places and is widely applied.
Drawings
Fig. 1 is a schematic structural diagram of an electromagnetic water meter sensor according to the present invention.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following description of the embodiments and the accompanying drawings.
As shown in figure 1: an electromagnetic water meter sensor comprises an F4 lining (1), a flow guide pipe (2), a measuring electrode (3), a flange (7), an excitation coil (9), a pole shoe (10), a magnet yoke (11) and a shell (12),
an F4 lining is arranged in the draft tube;
the F4 lining is not flanged and is flush with the flange boss surface;
the F4 lining is provided with a grounding hole (8);
a pair of measuring electrodes are symmetrically arranged on the inner wall of the flow guide pipe, an insulating gasket (6) is arranged between each measuring electrode and the disc spring, and the disc spring (4) is fastened by a locking nut (5);
the excitation coil is placed in the middle;
the magnet yoke is sleeved on the periphery of the measuring tube;
the pole shoe is welded and fixed on the flow guide pipe;
the shell seals the parts of the whole magnetic circuit into a cavity.
Cooling and deforming the F4 liner, and inserting the liner into the inner side of the flow guide pipe to form interference fit, wherein two ends of the liner are flush with the flange boss surface; then, a pair of measuring electrodes are tensioned, F4 liners are symmetrically assembled on electrode holes of the flow guide pipe and tightly attached to the wall of the flow guide pipe, and a disc spring is fastened by using a locking nut to achieve a sealing effect; the upper excitation coil and the lower excitation coil are placed in the middle, an iron core with larger volume is arranged in the upper excitation coil and welded and fixed on the flow guide pipe, a closed-loop magnetic circuit is formed by the iron core and the magnet yoke on the outer side, and a stronger constant magnetic field can be generated after excitation current is introduced; f4 liner and measuring electrode vertical position, have a small hole respectively, guarantee the contact of medium and draft tube inner wall, the utility model does not need to mount the earthed electrode specially again, can guarantee the reliability grounded effectively; the measuring electrode and the shell of the outgoing line of the magnet exciting coil seal the parts of the whole magnetic circuit into a cavity, and the lead is led out from the outlet and can form a complete electromagnetic water meter with the converter part.
According to the utility model, a small batch of prototype machines are manufactured according to the structure, and all performance indexes meet all industrial standard requirements of the electromagnetic water meter through strict laboratory tests such as pressure resistance, high and low temperature, actual flow measurement and the like.
Claims (1)
1. An electromagnetic water meter sensor comprises an F4 lining, a flow guide pipe, a pair of measuring electrodes, a flange, an excitation coil, a pole shoe, a magnetic yoke and a shell, and is characterized in that:
an F4 lining is arranged in the draft tube;
the F4 lining is not flanged and is flush with the flange boss surface;
the F4 lining is provided with a grounding hole;
a pair of measuring electrodes is symmetrically arranged on the inner wall of the flow guide pipe;
the excitation coil is placed in the middle;
the magnetic yoke is sleeved on the periphery of the flow guide pipe;
the pole shoe is welded and fixed on the flow guide pipe;
the shell seals the parts of the whole magnetic circuit into a cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122600937.0U CN216385824U (en) | 2021-10-28 | 2021-10-28 | Electromagnetic water meter sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122600937.0U CN216385824U (en) | 2021-10-28 | 2021-10-28 | Electromagnetic water meter sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216385824U true CN216385824U (en) | 2022-04-26 |
Family
ID=81248290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122600937.0U Active CN216385824U (en) | 2021-10-28 | 2021-10-28 | Electromagnetic water meter sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216385824U (en) |
-
2021
- 2021-10-28 CN CN202122600937.0U patent/CN216385824U/en active Active
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