CN217520537U

CN217520537U - Anti-interference electromagnetic flowmeter

Info

Publication number: CN217520537U
Application number: CN202220916506.7U
Authority: CN
Inventors: 杨超; 张华�; 杨中玉
Original assignee: Xinxiang Huasheng Automatic Control Equipment Co ltd
Current assignee: Xinxiang Huasheng Automatic Control Equipment Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-09-30
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a jam-proof type electromagnetic flowmeter relates to the fluid and detects relevant technical field. The utility model discloses a fixed cylinder, insulating lining, shielding shell, connecting cylinder and mounting panel, fixed cylinder internal fixation have insulating lining, and the shielding shell is fixed on fixed cylinder through the fixed port, and fixed cylinder longitudinal symmetry in the shielding shell is connected with the pole shoe, and the connecting cylinder passes through the connection pad to be connected in the shielding shell, and the mounting panel is fixed with the measuring column through the jack. The utility model discloses a set up fixed section of thick bamboo, insulating lining, shielding shell, connecting cylinder and mounting panel, solved current electromagnetic flowmeter and received outside electromagnetic interference and the problem that the pole shoe warp easily for long-time work and cause the error easily for during the use, the interference of external electromagnetic environment can be resisted better to the electromagnetic flowmeter, and the pole shoe when using, can keep original shape better, prevents to detect the precision and descends.

Description

Anti-interference electromagnetic flowmeter

Technical Field

The utility model belongs to the technical field of the fluid detects is relevant, especially relate to an jam-proof type electromagnetic flowmeter.

Background

The electromagnetic flowmeter is a novel flow measuring instrument which is rapidly developed along with the development of electronic technology in the 50 to 60 th century, the electromagnetic flowmeter is an instrument which measures the flow of a conductive fluid according to the electromotive force induced when the conductive fluid passes through an external magnetic field by applying the electromagnetic induction principle, and the electromagnetic flowmeter mainly detects the flow through a sensor on the electromagnetic flowmeter, but the electromagnetic flowmeter still has the following defects in the actual use:

1. when the existing electromagnetic flowmeter is used for measurement, an external electromagnetic field and the like easily interfere the operation of elements in the electromagnetic flowmeter, so that the detection of the flowmeter is not accurate enough;

2. when the existing electromagnetic flowmeter works, pole shoes can generate slight deformation under long-term work, and after the electromagnetic flowmeter is used for a long time, the measurement of the electromagnetic flowmeter can generate larger errors.

Therefore, the existing electromagnetic flow meter cannot meet the requirements in practical use, so that the improved technology is urgently needed in the market to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interference-proof type electromagnetic flowmeter, through setting up solid fixed cylinder, insulating lining, shielding shell, connecting cylinder and mounting panel, solved current electromagnetic flowmeter and received outside electromagnetic interference and the problem that the pole shoe warp easily for a long time and cause the error easily.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: the utility model relates to an anti-interference electromagnetic flowmeter, which comprises a fixed cylinder, an insulating lining, a shielding shell, a connecting cylinder and a mounting plate, wherein the insulating lining is fixed in the fixed cylinder, the shielding shell is fixed on the fixed cylinder through a fixed port, the fixed cylinder in the shielding shell is symmetrically connected with pole shoes up and down, the connecting cylinder is connected in the shielding shell through a connecting disc, the mounting plate is fixed with a measuring column through a jack, the utility model connects each structure in the fixed cylinder through the fixed cylinder, keeps a certain insulativity between the fluid passing through the fixed cylinder and the fixed cylinder through the insulating lining, keeps electromagnetic shielding between the connecting cylinder and the mounting plate and the outside through the shielding shell, leads the liquid flowing through the fixed cylinder to have charges through the conduction of the pole shoes and then conducts the charges to a converter through the measuring column on the mounting plate, the measured electrical signal is derived by a transducer.

Further, two tip of a solid fixed cylinder all are fixed with the mounting disc, the both ends of insulating lining all are fixed with the adventitia, adventitia fixed mounting disc is kept away from on the one side of a solid fixed cylinder, be the annular on the mounting disc in the solid fixed cylinder outside and link up the adventitia and seted up the mounting hole, the solid fixed cylinder passes through the mounting disc and is connected with the pipe of conveying liquid.

Further, the top center of shield shell is fixed with the spliced pole, the top portion of spliced pole is fixed with the converter, the week side symmetry of converter has seted up the wiring hole, and the shield shell passes through the spliced pole and connects the converter above that.

Furthermore, a fixed port is formed in the center of one side face of the shielding shell in a penetrating mode, a button seat is fixed in the center of the bottom of the shielding shell, a push switch is fixed in the center of the front side of the button seat, the shielding shell is fixed on the fixed cylinder through the fixed port, and the start and stop of the device are controlled through the push switch on the button seat.

Furthermore, an excitation coil is fixed inside the connecting cylinder, a connecting disc is fixed at the top end of the connecting cylinder, the top end face of the connecting disc is fixed to the top of the inner wall of the shielding shell, and the connecting cylinder generates induced electromotive force through the excitation coil.

Further, the bottom both sides of pole shoe all are fixed with the mounting panel, the jack has been seted up to the front side central authorities of mounting panel, the jack internal fixation has the measuring post, the fixed orifices has been seted up with jack position on fixed cylinder and the insulating lining and the mounting panel correspondingly, the one end that the fixed cylinder was kept away from to the measuring post is fixed in the fixed orifices, measuring post and converter electric connection, the electric charge on the fluid of mounting panel in with the fixed cylinder is led the interchanger through the measuring post on.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up solid fixed cylinder, insulating lining and shielding shell, solved current electromagnetic flowmeter and received outside electromagnetic interference's problem easily, cover connecting cylinder and mounting panel whole through the shielding shell, carry out the electromagnetic shield, fluid flow in solid fixed cylinder is to the position back that corresponds solid fixed cylinder on the shielding shell, electromagnetic interference factors such as external electromagnetic field are all shielded well for can resist interference such as external electromagnetism better during electromagnetic flowmeter measurement, increase and measure accurate degree.

2. The utility model discloses a set up solid fixed cylinder, shielding shell, connecting cylinder and mounting panel, solved the problem that the pole shoe warp easily and causes the error of current electromagnetic flowmeter long-time work, the connecting cylinder passes through the connection pad and is connected with the shielding shell for pole shoe and connecting cylinder keep invariable with the position of solid fixed cylinder, reduce the deformation degree of pole shoe after the long-time work, reduce the size that produces the magnetic field change at the during operation, increase electromagnetic flowmeter durability.

Drawings

FIG. 1 is a perspective view of the assembly structure of the present invention;

FIG. 2 is a perspective view of the fixing tube structure of the present invention;

FIG. 3 is a perspective view of the structure of the insulating lining of the present invention;

FIG. 4 is a perspective view of the shielding case structure of the present invention;

FIG. 5 is a perspective view of the connecting cylinder structure of the present invention;

fig. 6 is a perspective view of the mounting plate structure of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a fixed cylinder; 101. a fixing hole; 102. mounting a disc; 103. mounting holes; 200. an insulating liner; 201. an outer membrane; 300. a shield case; 301. connecting columns; 302. a converter; 303. a fixed port; 304. a button seat; 305. pressing a switch; 306. a wiring hole; 400. a connecting cylinder; 401. a field coil; 402. a pole shoe; 403. a connecting disc; 500. mounting a plate; 501. a jack; 502. the column is measured.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-6, the utility model relates to an anti-interference electromagnetic flowmeter, including a fixed cylinder 100, an insulating lining 200, a shielding shell 300, a connecting cylinder 400 and a mounting plate 500, the insulating lining 200 is fixed in the fixed cylinder 100, the fixed cylinder 100 connects each structure on the device to it, the insulating lining 200 makes the passing fluid and the fixed cylinder 100 insulate to a certain extent, the shielding shell 300 is fixed on the fixed cylinder 100 through a fixing port 303, the connecting cylinder 400 and the mounting plate 500 are shielded in the external electromagnetic environment of the installation position in the fixed cylinder 100 through the shielding shell 300, the fixed cylinder 100 in the shielding shell 300 is connected with pole shoes 402 up and down symmetrically, the pole shoes 402 convert the induced electromotive force generated by the exciting coil 401 into an induced electric field, the connecting cylinder 400 is connected in the shielding shell 300 through a connecting disc 403, the mounting plate 500 is fixed with a measuring column 502 through a jack 501, the measurement posts 502 convert the electrical charge in the liquid passing through the insulating liner 200 into electrical signals.

As shown in fig. 1-4, two end portions of the fixed cylinder 100 are both fixed with mounting discs 102, the fixed cylinder 100 is mounted on a corresponding pipeline by the mounting discs 102 through mounting holes 103 on the mounting discs, two ends of the insulating liner 200 are both fixed with outer films 201, the outer films 201 fix one surface of the mounting discs 102 far away from the fixed cylinder 100, the mounting holes 103 are annularly formed on the mounting disc 102 outside the fixed cylinder 100 and penetrate through the outer films 201, and the fixed cylinder 100 insulates fluid passing through the fixed cylinder 100 through the insulating liner 200 and the outer films 201 on the mounting discs 102;

a connecting column 301 is fixed at the center of the top of the shielding shell 300, the converter 302 is fixed on the shielding shell 300 by the connecting column 301, the converter 302 is fixed at the top end of the connecting column 301, an induced potential signal generated by liquid flow is very weak and is greatly influenced by various interference factors, the converter 302 is used for amplifying and converting the induced potential signal into a uniform standard signal and inhibiting a main interference signal, the task of the converter is to amplify and convert the induced potential signal detected by an electrode into a uniform standard direct current signal, wiring holes 306 are symmetrically formed in the peripheral side of the converter 302, and the converter 302 transmits the direct current signal to a wire which is inserted through the wiring holes 306;

a fixing port 303 is formed through the center of one side face of the shielding shell 300, a button base 304 is fixed at the center of the bottom of the shielding shell 300, a push switch 305 is connected to the button base 304, a push switch 305 is fixed at the center of the front side of the button base 304, and the device is started by pressing the push switch 305;

when the fluid is used, the fluid flowing through the fixed cylinder 100 is subjected to flow measurement by the connecting cylinder 400 and the mounting plate 500, and during measurement, a weak magnetic field and the like generated from the outside interfere with a magnetic field and an electric field structurally generated on the connecting cylinder 400 and the mounting plate 500, the connecting cylinder 400 and the mounting plate 500 are integrally covered by the shielding case 300 to perform electromagnetic shielding, and after the fluid in the fixed cylinder 100 flows to a position corresponding to the shielding case 300 on the fixed cylinder 100, electromagnetic interference factors such as an external electromagnetic field are shielded.

As shown in fig. 1, 3, 4, 5 and 6, an exciting coil 401 is fixed inside a connector barrel 400, the connector barrel 400 generates an induced electromotive force through the exciting coil 401 fixed therein, the liquid flowing through the connector barrel 100 is charged by conduction of a pole piece 402, a connecting disc 403 is fixed at the top end of the connector barrel 400, and the top end face of the connecting disc 403 is fixed with the top of the inner wall of the shielding shell 300, so that the position of the connector barrel 400 in the shielding shell 300 is fixed;

the two sides of the bottom of the pole piece 402 are both fixed with mounting plates 500, the mounting plates 500 mount the measuring column 502 on the fixed cylinder 100, the center of the front side of the mounting plate 500 is provided with a jack 501, the measuring column 502 is fixed in the jack 501, the fixed cylinder 100 and the insulating lining 200 are provided with a fixing hole 101 corresponding to the jack 501 on the mounting plate 500, one end of the measuring column 502 far away from the fixed cylinder 100 is fixed in the fixing hole 101, the measuring column 502 is electrically connected with the converter 302, and the measuring column 502 measures the induced potential generated by the fluid flowing through the fixed cylinder 100 under the action of the pole piece 402 and leads the induced potential to the converter 302;

in use, the push switch 305 is pressed to energize the working components in the device, an induced electromotive force is generated by the exciting coil 401 in the connecting cylinder 400 when the device is energized, the liquid flowing through the fixed cylinder 100 is charged by conduction of the pole piece 402, the liquid is measured by the measuring column 502, the liquid is guided to the converter 302 and then transmitted to a computer by the converter 302, and the connecting cylinder 400 is connected with the shielding shell 300 through the connecting disc 403, so that the positions of the pole piece 402 and the connecting cylinder 400 and the fixed cylinder 100 are kept constant.

The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, and any modifications to the technical solutions recorded in the foregoing embodiments, and equivalent replacements to some of the technical features thereof, and any modifications, equivalent replacements, and improvements made belong to the protection scope of the present invention.

Claims

1. An interference-proof electromagnetic flow meter comprising a fixed cylinder (100), an insulating liner (200), a shield shell (300), a connection cylinder (400), and a mounting plate (500), characterized in that: fixed section of thick bamboo (100) internal fixation has insulating lining (200), shielding shell (300) are fixed on fixed section of thick bamboo (100) through fixed mouthful (303), fixed section of thick bamboo (100) longitudinal symmetry in shielding shell (300) is connected with pole shoe (402), connecting cylinder (400) are connected in shielding shell (300) through connection pad (403), mounting panel (500) are fixed with through jack (501) and measure post (502).

2. The interference-proof electromagnetic flow meter according to claim 1, wherein: two tip of a fixed section of thick bamboo (100) all are fixed with mounting disc (102), the both ends of insulating lining (200) all are fixed with adventitia (201), adventitia (201) fixed mounting disc (102) are kept away from on the one side of a fixed section of thick bamboo (100), it link up adventitia (201) and has seted up mounting hole (103) to be the annular on mounting disc (102) in a fixed section of thick bamboo (100) outside.

3. The interference-free electromagnetic flow meter according to claim 1, wherein: the top center of shielding shell (300) is fixed with spliced pole (301), the top portion of spliced pole (301) is fixed with converter (302), wiring hole (306) have been seted up to the week side symmetry of converter (302).

4. The interference-proof electromagnetic flow meter according to claim 1, wherein: a fixing port (303) is formed in the center of one side face of the shielding shell (300) in a penetrating mode, a button seat (304) is fixed in the center of the bottom of the shielding shell (300), and a push switch (305) is fixed in the center of the front side of the button seat (304).

5. The interference-proof electromagnetic flow meter according to claim 1, wherein: the excitation coil (401) is fixed inside the connecting cylinder (400), the connecting disc (403) is fixed at the top end of the connecting cylinder (400), and the top end face of the connecting disc (403) is fixed to the top of the inner wall of the shielding shell (300).

6. The interference-proof electromagnetic flow meter according to claim 2, wherein: the bottom both sides of pole shoe (402) all are fixed with mounting panel (500), jack (501) have been seted up to the front side central authorities of mounting panel (500), jack (501) internal fixation has measurement post (502), jack (501) position has been seted up correspondingly on fixed cylinder (100) and insulating lining (200) and mounting panel (500) fixed orifices (101), the one end of keeping away from fixed cylinder (100) in measurement post (502) is fixed in fixed orifices (101), measure post (502) and converter (302) electric connection.