CN112050872A - Electromagnetic wave water meter with anti-interference function - Google Patents
Electromagnetic wave water meter with anti-interference function Download PDFInfo
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- CN112050872A CN112050872A CN202010965948.6A CN202010965948A CN112050872A CN 112050872 A CN112050872 A CN 112050872A CN 202010965948 A CN202010965948 A CN 202010965948A CN 112050872 A CN112050872 A CN 112050872A
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
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- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention relates to the technical field of water meters, in particular to an electromagnetic wave water meter with an anti-interference function. It includes the jam-proof protection mechanism that electromagnetism water gauge body and electromagnetism water gauge body outer wall set up, and the electromagnetism water gauge body includes communicating pipe, and communicating pipe top intercommunication has the water gauge, and the water gauge outer wall is provided with the electric wire, and the jam-proof protection mechanism includes at least: the bottom protecting shell is communicated with two ends of the bottom protecting shell, the inner diameter of the bottom arc shell is matched with the outer diameter of the communicating pipe, the top of the bottom protecting shell is provided with a rubber pad, the buffering device is provided with two symmetrical buffering devices, each buffering device comprises a buffering arc plate, the outer wall of each buffering arc plate is provided with a plurality of buffering springs, the end parts of the buffering springs are fixedly connected with the inner wall of the bottom protecting shell, the top of each buffering arc plate is provided with a connecting arc plate, and the connecting arc plates are tightly attached to the outer wall of the water meter.
Description
Technical Field
The invention relates to the technical field of water meters, in particular to an electromagnetic wave water meter with an anti-interference function.
Background
The electromagnetic water meter, also called electromagnetic flowmeter, is provided with products such as an intelligent electromagnetic flowmeter, a sanitary electromagnetic flowmeter, a submersible electromagnetic flowmeter, an insert electromagnetic flowmeter, a split electromagnetic flowmeter and the like; the SL-LD electromagnetic flowmeter is an induction type instrument for measuring the volume flow of a conductive medium in a pipe according to a Faraday electromagnetic induction law, adopts a singlechip embedded technology to realize digital excitation, adopts a CAN field bus on the electromagnetic flowmeter, is originated in China and achieves the domestic leading level; the SL-LD electromagnetic flowmeter can output 4-20 mA current signals for recording, regulation and control while meeting the field display requirement, and is widely applied to industrial technologies and management departments such as chemical engineering, environmental protection, metallurgy, medicine, papermaking, water supply and drainage and the like;
in the process of using the electromagnetic water meter, because the equipment can generate electromagnetic harmonic waves in the running process, or peripheral equipment can generate electromagnetic harmonic waves in the running process, the equipment can possibly fail to work normally due to the existence of the electromagnetic harmonic waves, the equipment can be damaged under the condition of serious electromagnetic harmonic waves, and in order to prevent the interference of the electromagnetic harmonic waves on the electromagnetic water meter, a metal shell is usually used for shielding the electromagnetic interference on the outer wall of the electromagnetic water meter at present;
but only use the metal casing anti-interference effect not good, the metal casing sealing performance is not good when the jam-proof, inside the drop of water or external water entering electromagnetism water gauge in the easy messenger air, lead to the inside circuit short circuit of electromagnetism water gauge to damage, and possess buffer function, when the electromagnetism water gauge receives external force striking and rocks, can not effectively cushion the destruction of rigid impact to electromagnetism water gauge outer wall.
Disclosure of Invention
The present invention is directed to an electromagnetic wave water meter with an anti-interference function, so as to solve the problems mentioned in the background art.
In order to achieve the above object, the present invention provides an electromagnetic wave water meter with an anti-interference function, comprising an electromagnetic water meter body and an anti-interference protection mechanism arranged on an outer wall of the electromagnetic water meter body, wherein the electromagnetic water meter body comprises a communicating pipe, a water meter is communicated with a top of the communicating pipe, an electric wire is arranged on the outer wall of the water meter, and the anti-interference protection mechanism at least comprises:
the two ends of the bottom protective shell are communicated with a bottom arc shell, the inner diameter of the bottom arc shell is matched with the outer diameter of the communicating pipe, and a rubber pad is arranged at the top of the bottom protective shell;
when the bottom protective shell of the embodiment is used specifically, the bottom protective shell is aligned to the outer wall of the bottom of the communicating pipe of the electromagnetic water meter body, so that the communicating pipe is supported inside the bottom arc shell, the inner wall of the bottom arc shell is tightly attached to the outer wall of the communicating pipe, and the bottom of the electromagnetic water meter body is protected;
the buffer device comprises two symmetrical buffer arc plates, a plurality of buffer springs are arranged on the outer walls of the buffer arc plates, the end parts of the buffer springs are fixedly connected with the inner wall of the bottom protective shell, a connecting arc plate is arranged at the top of each buffer arc plate, the connecting arc plates and the buffer arc plates are in an integrated structure, and the connecting arc plates are tightly attached to the outer walls of the water meters;
when the buffer device is used specifically, when the electromagnetic water meter body is placed in the bottom protective shell, the inner wall of the buffer arc plate is tightly attached to the outer wall of the communicating pipe, the connecting arc plate is tightly attached to the outer wall of the water meter, the electromagnetic water meter body is further protected, and meanwhile, when the electromagnetic water meter body is impacted and shaken, the buffer spring is compressed, so that the damage of rigid impact to the outer wall of the electromagnetic water meter body can be buffered under the action of the elastic force of the buffer spring;
the top protection device comprises a top protection shell, top arc shells are arranged at two ends of the top protection shell, the inner diameter of each top arc shell is matched with the outer diameter of the communicating pipe, a sealing frame is arranged at the top of the top protection shell, and a sealing groove is formed in the top of the sealing frame;
when the top protection device is used specifically, the top protection device is aligned to the top of the electromagnetic water meter body, so that the bottom of the top protection shell is aligned to the top of the bottom protection shell, the rubber pad is located between the top protection shell and the bottom protection shell, the communication pipe is placed inside the top arc shell, the inner wall of the top arc shell is tightly attached to the outer wall of the communication pipe, and the top of the electromagnetic water meter body is protected;
the sealing cover comprises a cover frame, a connecting frame is arranged at the bottom of the cover frame, a rubber bump is arranged at the bottom of the connecting frame, the rubber bump is matched with the size of the inner dimension of the sealing groove, a winding drum is fixedly arranged on the outer wall of the cover frame, a limiting plate is arranged at the end part of the winding drum, and the winding drum is used for winding wires;
when the sealing cover is used specifically, the rubber bump is inserted into the sealing groove, so that the cover frame and the top protective shell are connected and sealed, the cover frame protects the upper part of the electromagnetic water meter body, then the electric wire on the outer wall of the electromagnetic water meter body penetrates out of the cover frame, then the electric wire is wound on the outer wall of the winding barrel, and the electric wire is wound and arranged;
the bottom protecting crust with be close to between the bottom arc shell top edge and all be provided with down the flange, the top protecting crust with be close to between the top arc shell bottom edge and all be provided with the flange, go up the flange with it is fixed through bolt threaded connection between the flange down.
As a further improvement of the technical scheme, a transparent cover plate is hinged to the top of the cover frame and made of transparent plastic.
As a further improvement of the technical scheme, a dial plate is arranged at the top of the water meter and is positioned right below the transparent cover plate.
As a further improvement of the technical scheme, the outer wall of the cover frame is provided with a through hole, and the electric wire penetrates through the through hole in a sealing mode.
As a further improvement of the technical scheme, the outer wall of the connecting frame is provided with a plurality of lock catches, the lock catches are in inverted U-shaped shapes, and two ends of the bottoms of the lock catches are respectively and rotatably provided with a roller.
As a further improvement of the technical scheme, the outer wall of the sealing frame is fixedly provided with a clamping column, the clamping column is matched with the lock catch in a clamping manner, and the end part of the clamping column is provided with an anti-falling plate.
As a further improvement of the technical scheme, the bottom protective shell and the top arc shell are of an integrally formed structure, and the top protective shell and the top arc shell are of an integrally formed structure.
As a further improvement of the technical scheme, the lower convex plate surface is provided with a plurality of lower screw holes, the upper convex plate surface is provided with a plurality of upper screw holes, and the lower screw holes correspond to the upper screw holes.
As a further improvement of the technical scheme, two ends of the communicating pipe are both communicated with flanges.
As a further improvement of the technical scheme, the bottom protective shell, the top protective shell and the cover frame are made of metal fiber radiation-proof materials, and the buffer arc plate is made of electromagnetic shielding materials.
Compared with the prior art, the invention has the beneficial effects that:
1. in this electromagnetic wave water gauge with jam-proof function, through setting up jam-proof protection mechanism, by lower flange and the last flange threaded connection between bottom protecting crust and the top protecting crust, the sealed joint that seals simultaneously is at top protecting crust top, can effectually protect electromagnetic water gauge body periphery, shielding electromagnetic interference, connect the closely laminating of arc board and water gauge outer wall simultaneously, make electromagnetic shield material's buffering arc board and connect the arc board further protection electromagnetic water gauge outer wall, effectual assurance jam-proof efficiency, avoid electromagnetic water gauge to receive the interference and damage.
2. In this electromagnetic wave water gauge with jam-proof function, through setting up buffer spring, connect the arc board and closely laminate with the water gauge, when rocking the equipment, make buffer spring compression, the damage of buffering rigid impact to the electromagnetic water gauge body under the effect of buffer spring elasticity is favorable to protecting the electromagnetic water gauge body, increases life.
2. In the electromagnetic wave water meter with the anti-interference function, the rubber pad is positioned between the top arc shell and the bottom arc shell by arranging the rubber pad and the rubber lug, so that the bottom arc shell and the top arc shell are connected and sealed, the rubber lug is inserted into the seal towards the inside, the seal frame and the connecting frame are connected and sealed, the anti-interference protection mechanism is better in sealing performance, and water is prevented from entering the circuit with the content damaged by the electromagnetic water meter body.
2. In this electromagnetic wave water gauge with jam-proof function, through setting up the winding drum, sealed wearing out the electric wire of water gauge outer wall from the through-hole department, then the electric wire can twine at the winding drum outer wall, conveniently carries out the rolling to the electric wire and stores, avoids the electric wire all to drag damage subaerial.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
fig. 2 is a schematic structural view of an electromagnetic water meter body according to embodiment 1;
FIG. 3 is an exploded view of the tamper-proof mechanism according to embodiment 1;
FIG. 4 is a plan view of the whole structure of example 1;
FIG. 5 is a schematic structural view of a bottom protective shell according to example 1;
FIG. 6 is a schematic view of a buffer device according to embodiment 1;
FIG. 7 is an exploded view of the top guard of example 1;
FIG. 8 is a schematic structural view of the top shield of example 1;
FIG. 9 is a schematic view of the structure of a sealing frame according to embodiment 1;
FIG. 10 is an exploded view of the sealing cap of example 1;
fig. 11 is a schematic structural view of a cover frame in embodiment 1.
The various reference numbers in the figures mean:
1. an electromagnetic water meter body; 11. a communicating pipe; 110. a flange; 12. a water meter; 13. a dial plate; 14. an electric wire;
2. an anti-interference protection mechanism;
21. a bottom protective shell; 210. a bottom arcuate shell; 211. a lower convex plate; 2110. a lower screw hole; 212. a rubber pad;
22. a buffer device; 221. a buffer arc plate; 222. connecting the arc plates; 223. a buffer spring;
23. a top guard; 231. a top protective shell; 2311. a top arcuate shell; 2312. an upper convex plate; 2313. an upper screw hole; 232. a sealing frame; 2320. a sealing groove; 233. clamping the column; 2330. an anti-drop plate;
24. a sealing cover; 241. a cover frame; 2411. a connecting frame; 2412. a rubber bump; 2413. locking; 2414. a drum; 2415. a through hole; 242. a transparent cover plate; 243. winding the roll; 2430. and a limiting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Example 1
Referring to fig. 1 to fig. 11, the present embodiment provides an electromagnetic wave water meter with anti-interference function, including an electromagnetic water meter body 1 and an anti-interference protection mechanism 2 disposed on an outer wall of the electromagnetic water meter body 1, where the electromagnetic water meter body 1 includes a communicating pipe 11, a water meter 12 is communicated with a top of the communicating pipe 11, an electric wire 14 is disposed on an outer wall of the water meter 12, and the anti-interference protection mechanism 2 at least includes:
the bottom protective shell 21 is provided with a bottom arc shell 210 communicated with two ends of the bottom protective shell 21, the inner diameter of the bottom arc shell 210 is matched with the outer diameter of the communicating pipe 11, the top of the bottom protective shell 21 is provided with a rubber pad 212, the rubber pad 212 is made of elastic rubber, the abrasion resistance and corrosion resistance are good, and the connection tightness can be improved;
the bottom protecting crust 21 of this embodiment is when specifically using, aims at bottom protecting crust 21 to the 11 bottom outer walls of communicating pipe of electromagnetic water meter body 1, makes communicating pipe 11 support inside bottom arc shell 210, makes bottom arc shell 210 inner wall closely laminate with 11 outer walls of communicating pipe, protects electromagnetic water meter body 1 bottom.
In this embodiment, the top protection device 23 includes a top protection shell 231, top arc shells 2311 are disposed at two ends of the top protection shell 231, an inner diameter of the top arc shell 2311 is matched with an outer diameter of the communicating pipe 11, a sealing frame 232 is disposed at the top of the top protection shell 231, and a sealing groove 2320 is disposed at the top of the sealing frame 232;
specifically, a lower convex plate 211 is arranged between the bottom protective shell 21 and the bottom arc-shaped shell 210 near the top edge, an upper convex plate 2312 is arranged between the top protective shell 231 and the top arc-shaped shell 2311 near the bottom edge, a plurality of lower screw holes 2110 are arranged on the surface of the lower convex plate 211, a plurality of upper screw holes 2313 are arranged on the surface of the upper convex plate 2312, the lower screw holes 2110 correspond to the upper screw holes 2313, the upper convex plate 2312 is fixed with the lower convex plate 211 through threaded connection of bolts,
when the top protector 23 of this embodiment is specifically used, aim at the top of electromagnetic water meter body 1 with top protector 23, make top protecting crust 231 bottom and bottom protecting crust 21 top align, make rubber pad 212 be located between top protecting crust 231 and bottom protecting crust 21, communicating pipe 11 is placed inside top arc shell 2311, make top arc shell 2311 inner wall and the outer wall of communicating pipe 11 closely laminate, protect electromagnetic water meter body 1 top, lower screw hole 2110 with lower flange 211 and upper flange 2312 surface aligns with last screw hole 2313, penetrate through bolt screw thread between screw hole 2313 and the lower screw hole 2110, make between top protecting crust 231 and the bottom protecting crust 21 be connected fixedly, easy to assemble, guarantee the leakproofness.
Furthermore, the buffer device 22 is provided with two symmetrical buffer devices 22, each buffer device 22 comprises a buffer arc plate 221, the outer wall of each buffer arc plate 221 is provided with a plurality of buffer springs 223, the end parts of the buffer springs 223 are fixedly connected with the inner wall of the bottom protective shell 21, the top of each buffer arc plate 221 is provided with a connecting arc plate 222, the connecting arc plates 222 and the buffer arc plates 221 are of an integrated structure, and the connecting arc plates 222 are tightly attached to the outer wall of the water meter 12;
In addition, the sealing cover 24 comprises a cover frame 241, a connecting frame 2411 is arranged at the bottom of the cover frame 241, a rubber bump 2412 is arranged at the bottom of the connecting frame 2411, the rubber bump 2412 is made of elastic rubber, the wear-resisting and friction-resisting properties are good, the connecting sealing performance can be improved, the rubber bump 2412 is matched with the inner size of the sealing groove 2320, a winding drum 243 is fixedly arranged on the outer wall of the cover frame 241, a limiting plate 2430 is arranged at the end part of the winding drum 243, and the winding drum 243 is used for winding the electric wire 14;
when the sealing cover 24 of the embodiment is used specifically, the rubber protrusion 2412 is inserted into the sealing groove 2320 to seal the connection between the cover frame 241 and the top protective shell 231, the cover frame 241 protects the upper side of the electromagnetic water meter body 1, then the electric wire 14 on the outer wall of the water meter 12 of the electromagnetic water meter body 1 passes through the cover frame 241, and then the electric wire 14 is wound on the outer wall of the winding drum 243 to wind and arrange the electric wire 14, so that the electric wire 14 is prevented from being dragged on the ground and damaged.
Specifically, the articulated transparent cover 242 that is provided with in lid frame 241 top, transparent cover 242 are the transparent plastic material, and water gauge 12 top is provided with dial plate 13, and dial plate 13 is located under transparent cover 242, can see through transparent cover 242 through setting up transparent cover 242 and observe the dial plate 13 at water gauge 12 top, conveniently reads the table.
It should be noted that the cover frame 241 has a through hole 2415 formed on an outer wall thereof, the electric wire 14 passes through the through hole 2415 in a sealing manner, and the through hole 2415 is formed so that the electric wire 14 can pass through the cover frame 241 from the through hole 2415, thereby ensuring structural integrity.
Furthermore, the outer wall of the connecting frame 2411 is provided with a plurality of lock catches 2413, the lock catches 2413 are in an inverted U shape, two ends of the bottom of the lock catches 2413 are respectively and rotatably provided with a roller 2414, the outer wall of the sealing frame 232 is fixedly provided with a clamping column 233, the clamping column 233 is in clamping fit with the lock catches 2413, the end parts of the clamping columns 233 are provided with anti-falling plates 2330, when the connecting frame 2411 is connected with the sealing frame 232, the bottom of the U-shaped lock catch 2413 slides into the clamping column 233, so that the roller 2414 rolls on the outer wall of the clamping column 233, the clamping column 233 slides into the lock catches 241, the clamping columns 233 can be clamped inside the lock catches 241, and the connecting frame 2411 and the sealing frame 232 are fixedly connected.
Specifically, bottom protective housing 21 and top arc shell 2311 are the integrated into one piece structure, make and are connected closely between bottom protective housing 21 and the top arc shell 2311, and top protective housing 231 and top arc shell 2311 are the integrated into one piece structure, make and are connected closely between top protective housing 231 and the top arc shell 2311, avoid being connected with the gap through welding or other modes, have increased sealing performance.
In addition, both ends of the communication pipe 11 are communicated with flanges 110, and the flanges 110 are arranged to facilitate the bolt connection of the water pipe through the flanges 110.
It is worth to say that the bottom protective shell 21, the top protective shell 231 and the cover frame 241 are made of metal fiber radiation-proof materials, the metal fiber materials are mainly made of stainless steel metal fibers and fibers such as cotton and polyester fibers in a blending mode, the shielding performance is about 30DB, the oxidation resistance is high, the buffer arc plate 221 is made of electromagnetic shielding materials, electromagnetic interference can be further protected, and the anti-interference performance is enhanced.
In this embodiment, the electromagnetic water meter body 1 has a working principle, as disclosed by those skilled in the art, according to the faraday's law of electromagnetic induction, when the conductor makes a motion of cutting magnetic lines, an induced electromotive force is generated in the conductor, which is used for measuring the conductive fluid in the pipe, and the flowing direction is perpendicular to the magnetic field direction, the faraday's law of electromagnetic induction: and e is KxB xD xv, wherein e is induced electromotive force, K is an instrument constant, B is magnetic induction intensity, D is the inner diameter of the pipeline, and V is the flow velocity of the fluid.
When the electromagnetic wave water meter with the anti-interference function of the embodiment is specifically assembled, the bottom protective shell 21 is aligned with the outer wall of the bottom of the communicating pipe 11 of the electromagnetic water meter body 1, the communicating pipe 11 is supported inside the bottom arc shell 210, the inner wall of the bottom arc shell 210 is tightly attached to the outer wall of the communicating pipe 11, the bottom of the electromagnetic water meter body 1 is protected, then the inner wall of the buffer arc plate 221 is tightly attached to the outer wall of the communicating pipe 11, the connection arc plate 222 is tightly attached to the outer wall of the water meter 12, the electromagnetic water meter body 1 is further protected, the anti-interference function strength is increased, meanwhile, when the electromagnetic water meter body 1 is impacted and shaken, the buffer spring 223 is compressed, the damage of rigid impact to the outer wall of the electromagnetic water meter body 1 can be buffered under the elastic force of the buffer spring 223, the electromagnetic water meter body 1 is protected, the service life is prolonged, aligning the bottom of the top protection shell 231 with the top of the bottom protection shell 21, positioning the rubber pad 212 between the top protection shell 231 and the bottom protection shell 21, placing the communication pipe 11 inside the top arc-shaped shell 2311, tightly attaching the inner wall of the top arc-shaped shell 2311 with the outer wall of the communication pipe 11, protecting the top of the electromagnetic water meter body 1, aligning the lower screw holes 2110 and the upper screw holes 2313 of the surfaces of the lower convex plate 211 and the upper convex plate 2312, penetrating the upper screw holes 2313 and the lower screw holes 2110 through bolt threads, connecting and fixing the top protection shell 231 and the bottom protection shell 21, facilitating installation, ensuring sealing performance, inserting the rubber bump 2412 into the sealing groove 2320, connecting and sealing the cover frame 241 and the top protection shell 231, sliding the bottom of the U-shaped lock 2413 into the inside of the lock column 233, rolling the roller 2414 on the outer wall of the lock column 233, sliding the lock column 233 into the inside of the lock column 241, and clamping the lock column 233 in the lock column 241, the connection frame 2411 and the sealing frame 232 are connected and fixed, the cover frame 241 protects the upper part of the electromagnetic water meter body 1, the electric wire 14 on the outer wall of the water meter 12 of the electromagnetic water meter body 1 penetrates out of the cover frame 241, the electric wire 14 is wound on the outer wall of the winding drum 243, the electric wire 14 is wound and sorted, and the electric wire 14 is prevented from being dragged on the ground and damaged.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an electromagnetic wave water gauge with jam-proof function, include electromagnetic water gauge body (1) and jam-proof protection machanism (2) that electromagnetic water gauge body (1) outer wall set up, its characterized in that: electromagnetic water meter body (1) is including communicating pipe (11), communicating pipe (11) top intercommunication has water gauge (12), water gauge (12) outer wall is provided with electric wire (14), interference-proof protection machanism (2) include at least:
the bottom protective shell (21), the two ends of the bottom protective shell (21) are communicated with bottom arc shells (210), the inner diameter of each bottom arc shell (210) is matched with the outer diameter of the communicating pipe (11), and a rubber pad (212) is arranged at the top of the bottom protective shell (21);
the buffer device (22) is provided with two symmetrical buffer devices (22), each buffer device (22) comprises a buffer arc plate (221), the outer wall of each buffer arc plate (221) is provided with a plurality of buffer springs (223), the end parts of the buffer springs (223) are fixedly connected with the inner wall of the bottom protective shell (21), the top of each buffer arc plate (221) is provided with a connecting arc plate (222), the connecting arc plates (222) and the buffer arc plates (221) are of an integrally formed structure, and the connecting arc plates (222) are tightly attached to the outer wall of the water meter (12);
the top protection device (23) comprises a top protection shell (231), top arc shells (2311) are arranged at two ends of the top protection shell (231), the inner diameter of each top arc shell (2311) is matched with the outer diameter of the communicating pipe (11), a sealing frame (232) is arranged at the top of the top protection shell (231), and a sealing groove (2320) is formed in the top of the sealing frame (232);
the sealing cover (24) comprises a cover frame (241), a connecting frame (2411) is arranged at the bottom of the cover frame (241), a rubber bump (2412) is arranged at the bottom of the connecting frame (2411), the rubber bump (2412) is matched with the inner dimension of the sealing groove (2320), a winding drum (243) is fixedly arranged on the outer wall of the cover frame (241), a limiting plate (2430) is arranged at the end part of the winding drum (243), and the winding drum (243) is used for winding the electric wire (14);
lower convex plates (211) are arranged between the bottom protective shell (21) and the bottom arc-shaped shell (210) and close to the top edge, upper convex plates (2312) are arranged between the top protective shell (231) and the top arc-shaped shell (2311) and close to the bottom edge, and the upper convex plates (2312) and the lower convex plates (211) are fixedly connected through bolts in a threaded mode.
2. An electromagnetic wave water meter with interference preventing function as set forth in claim 1, wherein: the top of the cover frame (241) is hinged with a transparent cover plate (242), and the transparent cover plate (242) is made of transparent plastic.
3. An electromagnetic wave water meter with interference preventing function as set forth in claim 2, wherein: the water meter is characterized in that a dial plate (13) is arranged on the top of the water meter (12), and the dial plate (13) is located under the transparent cover plate (242).
4. An electromagnetic wave water meter with interference preventing function as set forth in claim 1, wherein: the outer wall of the cover frame (241) is provided with a through hole (2415), and the electric wire (14) passes through the through hole (2415) in a sealing mode.
5. An electromagnetic wave water meter with interference preventing function as set forth in claim 1, wherein: the connecting frame (2411) outer wall is provided with a plurality of hasps (2413), hasp (2413) are "U" style of calligraphy of handstand, hasp (2413) bottom both ends all rotate and are provided with cylinder (2414).
6. An electromagnetic wave water meter with interference preventing function as set forth in claim 5, wherein: the outer wall of the sealing frame (232) is fixedly provided with a clamping column (233), the clamping column (233) is matched with the lock catch (2413) in a clamping mode, and the end portion of the clamping column (233) is provided with an anti-falling plate (2330).
7. An electromagnetic wave water meter with interference preventing function as set forth in claim 1, wherein: the bottom protective shell (21) and the top arc-shaped shell (2311) are of an integrally formed structure, and the top protective shell (231) and the top arc-shaped shell (2311) are of an integrally formed structure.
8. An electromagnetic wave water meter with interference preventing function as set forth in claim 1, wherein: the surface of the lower convex plate (211) is provided with a plurality of lower screw holes (2110), the surface of the upper convex plate (2312) is provided with a plurality of upper screw holes (2313), and the lower screw holes (2110) correspond to the upper screw holes (2313).
9. An electromagnetic wave water meter with interference preventing function as set forth in claim 1, wherein: and flanges (110) are communicated with both ends of the communicating pipe (11).
10. An electromagnetic wave water meter with interference preventing function as set forth in claim 1, wherein: the bottom protective shell (21), top protective shell (231) with cover frame (241) all adopt metal fiber radiation protection material, buffering arc board (221) adopt electromagnetic shield material.
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