CN212409792U - Scraper type electromagnetic flowmeter - Google Patents

Abstract

The utility model discloses a scraper formula electromagnetic flowmeter, including water inlet, table lid, digital display screen, count wheel, wire, signalling end, emitter upper cover, emitter lower cover, inlet tube, epitheca, base, outlet pipe, hexagon nut, delivery port, circular seat, spacing seat, spring and scraper. The utility model has the advantages that: this scraper formula electromagnetic flowmeter reasonable in design, be equipped with the screw thread on water inlet and the delivery port, be threaded connection with the pipeline screw thread, it is more inseparable with pipe connection through the screw thread, the effectual liquid that prevents flows, the table lid upper end is equipped with the boss, the boss width is 2mm, outstanding boss is convenient for the manual work and is opened the table lid, look over the data of flowmeter, the upper left corner of emitter upper cover is equipped with the signal emission end, and the signal emission end is through the screw thread with the emitter upper cover and can dismantle the connection, can realize the intercommunication with the removal end through the signal emission end, realize long-range checking meter.

Description

Scraper type electromagnetic flowmeter

Technical Field

The utility model relates to a flowmeter specifically is a scraper formula electromagnetic flowmeter, belongs to flow measurement technical field.

Background

The electromagnetic flowmeter is based on Faraday's principle of electromagnetic induction, that is, a magnetic field is set around the conducting liquid, when the conducting liquid cuts magnetic lines in the magnetic field, an induced potential proportional to the average flow speed of the liquid is generated, and induced voltage signals are detected by two or more electrodes contacting with the liquid and are transmitted to a converter via cables for intelligent processing, so as to realize the display of instantaneous flow and accumulated flow of the liquid and the communication and control between flow data and a microcomputer system.

The design of the existing electromagnetic flowmeter has some defects, one is that the installation and adjustment of the electromagnetic flowmeter are more complicated than other flowmeters and the requirement is stricter, when the electromagnetic flowmeter is used for measuring viscous liquid with dirt, the viscous substance or the sediment is attached to the inner wall of a measuring tube or an electrode, so that the output potential of a transmitter is changed, measurement error is caused, and the dirt on the electrode and the measuring tube reaches a certain thickness, so that the instrument can not measure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scraper formula electromagnetic flowmeter just in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a scraper type electromagnetic flowmeter comprises a water inlet, a meter cover, a digital display screen, a counting wheel, a lead, a signal transmitting end, an upper cover of a transmitting device, a lower cover of the transmitting device, a water inlet pipe, an upper shell, a base, a water outlet pipe, a hexagon nut, a water outlet, a circular seat, a limiting seat, a spring and a scraper; the water inlet is established in inlet tube one end, the table lid is to rotate with circular seat and is connected, the digital display screen is established inside the epitheca, the count wheel is established at the digital display screen lower extreme, wire one end links together with circular seat, the signal transmission end is established at the emitter upper cover, the emitter upper cover is to dismantle with the emitter lower cover and is connected, the emitter lower cover is fixed in the outlet pipe upper end, the delivery port is established in outlet pipe one end, the base both ends are in the same place with outlet pipe, advance water piping connection, hexagon nut establishes on the outlet pipe, circular seat establishes in the epitheca upper end, spacing seat is established at the connecting rod top, spacing seat lower extreme is equipped with the spring, and the connecting rod passes spring center, the connecting rod bottom is equipped with the scraper, scraper and electrode contact.

Preferably, in order to enable the connection between the water inlet and the water outlet and the pipeline to be more compact, the water inlet and the water outlet are provided with threads which are in threaded connection with the pipeline threads.

Preferably, in order to facilitate the opening of the watch cover by an operator, a boss is arranged at the upper end of the watch cover, and the width of the boss is 2 mm.

Preferably, in order to facilitate the realization of remote wireless meter reading, the upper left corner of the upper cover of the transmitting device is provided with a signal transmitting end, and the signal transmitting end and the upper cover of the transmitting device are detachably connected through threads.

Preferably, in order to facilitate the installation of the upper shell and the base, four cylindrical mounting seats are arranged outside the circumference of the upper end of the base, and the cylindrical mounting seats correspond to the mounting holes in the upper shell.

Preferably, in order to facilitate the observation of the data of the digital display screen, a piece of transparent glass is arranged on the circular seat.

The utility model has the advantages that: the scraper type electromagnetic flowmeter has reasonable design, the water inlet and the water outlet are provided with threads which are in threaded connection with the pipeline threads, the connection with the pipeline is more tight through the threads, liquid is effectively prevented from flowing out, the upper end of the meter cover is provided with a boss, the width of the boss is 2mm, the protruding boss is convenient for manually opening the meter cover and checking the data of the flowmeter, the upper left corner of the upper cover of the transmitting device is provided with a signal transmitting end, the signal transmitting end is detachably connected with the upper cover of the transmitting device through the threads, the signal transmitting end can be communicated with the movable end through the signal transmitting end to realize remote meter reading, the signal transmitting end is detachably connected with the upper cover of the transmitting device through the threads, the maintenance and the disassembly are convenient, the spring is arranged below the limiting seat, the connecting rod passes through the center of the spring, the limiting seat and the bottom have an elastic, scrape the dirt on the electrode through the scraper, guarantee electromagnetic flowmeter measuring stability, base upper end circumference is equipped with four cylindrical mount pads outward, and the mounting hole on cylindrical mount pad and the epitheca is corresponding the state, makes the epitheca be can dismantle with the base through the mount pad and is connected, and the installation of being convenient for is equipped with a clear glass on the circular seat, is convenient for observe digital display screen data.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the digital display screen of the present invention;

FIG. 3 is a schematic view of the structure of the utility model;

fig. 4 is a schematic view of the structure scraper of the present invention.

In the figure: 1. the water inlet, 2, a meter cover, 3, a digital display screen, 4, a counting wheel, 5, a wire, 6, a signal transmitting end, 7, an upper cover of a transmitting device, 8, a lower cover of the transmitting device, 9, a water inlet pipe, 10, an upper shell, 11, a base, 12, a water outlet pipe, 13, a hexagon nut, 14, a water outlet, 15, a circular seat, 16, a limiting seat, 17, a spring, 18 and a scraper.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, a scraper-type electromagnetic flowmeter includes a water inlet 1, a meter cover 2, a digital display screen 3, a counting wheel 4, a wire 5, a signal transmitting end 6, an upper cover 7 of a transmitting device, a lower cover 8 of the transmitting device, a water inlet pipe 9, an upper shell 10, a base 11, a water outlet pipe 12, a hexagon nut 13, a water outlet 14, a circular base 15, a limiting base 16, a spring 17 and a scraper 18; the water inlet 1 is established in inlet tube 9 one end, table lid 2 is the rotation with circular seat 15 and is connected, digital display screen 3 is established inside epitheca 10, count wheel 4 is established at digital display screen 3 lower extreme, 5 one end of wire links together with circular seat 15, signal transmission end 6 is established at the emitter upper cover, emitter upper cover 7 is to dismantle with emitter lower cover 8 and is connected, emitter lower cover 8 is fixed in outlet pipe 12 upper end, delivery port 14 is established in outlet pipe 12 one end, 11 both ends of base link together with outlet pipe 12, inlet tube 9, hexagon nut 13 is established on outlet pipe 12, circular seat 15 is established in epitheca 10 upper end, and the connecting rod upper end is equipped with spacing seat 16, and the connecting rod bottom is equipped with scraper 18 and the contact of scraper 18 and measuring electrode.

Be equipped with the screw thread on water inlet 1 and the delivery port 14, be threaded connection with the pipeline screw thread, it is more inseparable with pipe connection through the screw thread, the effectual liquid that prevents flows out, 2 upper ends of table lid are equipped with the boss, the boss width is 2mm, outstanding boss is convenient for the manual work and opens table lid 2, look over the data of flowmeter, 7 upper left corners of emitter upper cover are equipped with signal transmission end 6, and signal transmission end 6 is to dismantle through the screw thread with emitter upper cover 7 and be connected, can realize the intercommunication with the removal end through signal transmission end 6, realize long-range checking meter, signal transmission end 6 is to dismantle through the screw thread with emitter upper cover 7 and is connected and be convenient for maintain and dismantle. Spacing 16 below is equipped with spring 17, and the connecting rod passes spring 17 center, it has an elasticity activity space to make spacing 16 and bottom through spring 17, scraper 18 is installed in the connecting rod bottom, and scraper 18 and electrode contact, the dirt on the electrode is scraped to scraper 18, guarantee electromagnetic flowmeter measuring stability, base 11 upper end circumference is equipped with four cylindrical mount pads outward, the mounting hole on cylindrical mount pad and the epitheca 10 is corresponding the state, it is connected to make epitheca 10 be dismantling with base 11 through the mount pad, the installation of being convenient for, be equipped with a clear glass on the circular seat 15, be convenient for observe 3 data of digital display screen.

The working principle is as follows: when using this scraper formula electromagnetic flowmeter timing, at first accomplish the back with inlet tube 9 and outlet pipe 12 and external pipe connection, with electromagnetic flowmeter switch on, when the water current passed through electromagnetic flowmeter's 11 centers of base, carry out flow measurement through the electrode, when aquatic dirt glues on the electrode, scraper 18 can reject the dirt, guarantees the measuring precision of electrode, and operating personnel can open table lid 2 and check meter or realize wireless meter reading through remote mobile device.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. A scraper formula electromagnetic flowmeter which characterized in that: the device comprises a water inlet (1), a meter cover (2), a digital display screen (3), a counting wheel (4), a wire (5), a signal transmitting end (6), a transmitting device upper cover (7), a transmitting device lower cover (8), a water inlet pipe (9), an upper shell (10), a base (11), a water outlet pipe (12), a hexagon nut (13), a water outlet (14), a circular seat (15), a limiting seat (16), a spring (17) and a scraper (18); the water inlet (1) is arranged at one end of the water inlet pipe (9), the meter cover (2) is rotatably connected with the circular seat (15), the digital display screen (3) is arranged inside the upper shell (10), the counting wheel (4) is arranged at the lower end of the digital display screen (3), one end of the wire (5) is connected with the circular seat (15), the signal transmitting end (6) is arranged at the upper cover of the transmitting device, the upper cover (7) of the transmitting device is detachably connected with the lower cover (8) of the transmitting device, the lower cover (8) of the transmitting device is fixed at the upper end of the water outlet pipe (12), the water outlet (14) is arranged at one end of the water outlet pipe (12), the two ends of the base (11) are connected with the water outlet pipe (12) and the water inlet pipe (9), the nut (13) is arranged on the water outlet pipe (12), the circular hexagonal seat (15) is arranged at the upper end of the upper shell (10), and the limiting seat, a spring (17) is arranged at the lower end of the limiting seat (16), the connecting rod penetrates through the center of the spring (17), a scraper (18) is arranged at the bottom of the connecting rod, and the scraper (18) is in contact with the electrode;

the upper left corner of the transmitting device upper cover (7) is provided with a signal transmitting end (6), and the signal transmitting end (6) is detachably connected with the transmitting device upper cover (7) through threads.

2. The doctor blade electromagnetic flowmeter of claim 1, wherein: and the water inlet (1) and the water outlet (14) are provided with threads and are in threaded connection with the pipeline threads.

3. The doctor blade electromagnetic flowmeter of claim 1, wherein: the upper end of the meter cover (2) is provided with a boss, and the width of the boss is 2 mm.

4. The doctor blade electromagnetic flowmeter of claim 1, wherein: four cylindrical mounting seats are arranged outside the circumference of the upper end of the base (11), and the cylindrical mounting seats correspond to mounting holes in the upper shell (10).

5. The doctor blade electromagnetic flowmeter of claim 1, wherein: and a piece of transparent glass is arranged on the circular seat (15).

Images