CN217210986U

CN217210986U - Anti-freezing electromagnetic flowmeter

Info

Publication number: CN217210986U
Application number: CN202123333284.0U
Authority: CN
Inventors: 田黎明
Original assignee: Hubei Zhiling Iot Intelligent Manufacturing Co Ltd
Current assignee: Hubei Zhiling Iot Intelligent Manufacturing Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-08-16
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses an anti-freezing electromagnetic flowmeter, which comprises an electromagnetic flowmeter body, wherein two ends of the electromagnetic flowmeter body are connected with a water pipe and a valve; the inner wall of the electromagnetic flowmeter body is connected with an evacuator; the upper surface of the electromagnetic flowmeter body is provided with a controller and a display; the emptying device comprises an outer pipe, and the side surface of the outer pipe is connected with the inner wall of the electromagnetic flowmeter body; the water inlet has been seted up to the outer tube bottom, and the water inlet is connected with the hose, and the hose extends to electromagnetic flowmeter body bottom. The device has solved prior art inside freezing easily at low temperature to lead to the increase of water gauge content volume, lead to the problem of water gauge structure damage, have simple structure, convenient to use, can effectively avoid the characteristics that electromagnetic flowmeter freezes at low temperature.

Description

Anti-freezing electromagnetic flowmeter

Technical Field

The utility model belongs to the technical field of the electromagnetic flowmeter, in particular to type electromagnetic flowmeter prevents frostbite.

Background

The electromagnetic flowmeter is a meter for measuring water flow, and is a new-type flowmeter for measuring water consumption by utilizing modern microelectronic technique, modern sensing technique and intelligent IC card technique, and making water consumption data transmission and settlement transaction. The electromagnetic flowmeter can record and electronically display the water consumption, can control the water consumption according to convention, and can store water consumption data. Part of electromagnetic flow meters are installed outdoors or in open exposed areas, freezing is easy to occur when the temperature is low in winter, particularly, corresponding anti-freezing treatment is lacked in pipeline systems in southern areas, once extreme low-temperature weather occurs, the interior of the water meter can be frozen, and therefore the interior space of the water meter is damaged after the volume is increased; therefore, it is urgently required to design an antifreeze type electromagnetic flowmeter to solve the above problems.

Disclosure of Invention

The utility model aims to solve the technical problem that a type electromagnetic flowmeter prevents frostbite is provided, the device has solved prior art and has frozen easily in low temperature inside to lead to water gauge content volume increase, lead to the problem of water gauge structural damage, have simple structure, convenient to use can effectively avoid the characteristics that electromagnetic flowmeter freezes at low temperature.

In order to realize the above design, the utility model adopts the following technical scheme: an anti-freezing electromagnetic flowmeter comprises an electromagnetic flowmeter body, wherein two ends of the electromagnetic flowmeter body are connected with a water pipe and a valve; the inner wall of the electromagnetic flowmeter body is connected with an evacuator; the upper surface of the electromagnetic flowmeter body is provided with a controller and a display; the emptying device comprises an outer pipe, and the side surface of the outer pipe is connected with the inner wall of the electromagnetic flowmeter body; the water inlet has been seted up to the outer tube bottom, and the water inlet is connected with the hose, and the hose extends to electromagnetic flowmeter body bottom.

Preferably, the lower part of the inner wall of the outer pipe is connected with a porous plate; a plurality of inlet openings are arranged on the surface of the perforated plate in the circumferential direction.

Preferably, the inner wall of the outer tube is provided with an annular chute, and a limiting block is arranged in the annular chute; the inner wall of the outer pipe is provided with an inner pipe, and the outer surface of the inner pipe is connected with a sliding block and a sliding groove in a clamping manner.

Furthermore, the stopper is provided with 2, corresponds the position of opening and the closed position of the last water inlet hole of perforated plate respectively.

Furthermore, the circular chute is preferably provided with a quarter section of circular arc, so that the water inlet hole of the perforated plate can be exposed after rotation.

Preferably, a plurality of through-holes have been seted up to inner tube bottom circumference, and the position, the figure and the size of through-hole all are the same with the inlet opening.

Preferably, the inner wall of the inner tube is provided with a piston and a pull rod; the upper surface of the inner pipe is higher than that of the outer pipe; the inner pipe and the pull rod extend out of the upper surface of the electromagnetic flowmeter body.

Preferably, a water outlet pipe is connected to the side surface of the outer pipe, and the water outlet end of the water outlet pipe extends to the outside of the side surface of the electromagnetic flowmeter body; the drain pipe is positioned between the porous plate and the water inlet; the drain pipe is provided with a manual valve.

Further, the controller can be a built-in controller of the electromagnetic flowmeter, or an 80C51 singlechip is selected as a microprocessor; the manual control valve on the drain pipe adopts a manually controlled ball valve.

The anti-freezing electromagnetic flowmeter has the beneficial effects that:

the device is provided with the emptier, so that accumulated water which is incompletely discharged inside the water meter can be drained when the device is stopped, and the problem of icing at low temperature is avoided; the emptying device is integrated with the meter body, the use is convenient, when in use, the inner pipe is rotated to open the water inlet hole on the porous plate, and then the pull rod is pulled to pump the accumulated water in the meter body into the meter body from the hose; can realize gas seal and open through opening and close the valve on the drain pipe, guarantee that the drainage of drawing water is smooth and easy, need not to take out the evacuator repeatedly and drain, saved operating time by a wide margin.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a schematic structural diagram of the evacuation device of the present invention;

FIG. 3 is a schematic view of a structure of a perforated plate according to the present invention;

FIG. 4 is a schematic structural view of the sliding connection between the inner tube and the outer tube of the present invention;

the reference numbers in the figures are: electromagnetic flowmeter body 1, water pipe 11, valve 12, controller 13, display 14, evacuator 2, outer tube 21, water inlet 22, hose 23, annular spout 24, stopper 241, inner tube 25, slider 26, drain pipe 3, perforated plate 4, inlet opening 41, piston 42, pull rod 43.

Detailed Description

As shown in fig. 1 to 4, an anti-freezing electromagnetic flowmeter comprises an electromagnetic flowmeter body 1, wherein two ends of the electromagnetic flowmeter body 1 are connected with a water pipe 11 and a valve 12; the inner wall of the electromagnetic flowmeter body 1 is connected with an evacuator 2; the upper surface of the electromagnetic flowmeter body 1 is provided with a controller 13 and a display 14; the emptier 2 comprises an outer tube 21, and the side surface of the outer tube 21 is connected with the inner wall of the electromagnetic flowmeter body 1; the water inlet 22 is seted up to outer tube 21 bottom, and water inlet 22 is connected with hose 23, and hose 23 extends to the bottom of electromagnetic flowmeter body 1.

Preferably, the lower part of the inner wall of the outer tube 21 is connected with a perforated plate 4; the perforated plate 4 has a plurality of water inlet holes 41 formed in the circumferential direction.

Preferably, the inner wall of the outer tube 21 is provided with an annular sliding groove 24, and a limiting block 241 is arranged in the annular sliding groove 24; an inner tube 25 is arranged on the inner wall of the outer tube 21, and a sliding block 26 is connected to the outer surface of the inner tube 25 and is clamped with the sliding groove.

Furthermore, the limiting blocks 241 are provided with 2 limiting blocks which respectively correspond to the opening position and the closing position of the water inlet holes 41 on the porous plate 4.

Further, the annular sliding groove 24 is preferably a quarter of a circular arc, which can ensure that the water inlet holes 41 of the porous plate 4 are exposed after rotation.

Preferably, a plurality of through holes are circumferentially formed in the bottom of the inner tube 25, and the positions, the number and the sizes of the through holes are the same as those of the water inlet 41.

Preferably, the inner wall of the inner tube 25 is provided with a piston 42 and a pull rod 43; the upper surface of the inner tube 25 is positioned higher than the outer tube 21; both the inner tube 25 and the tie rod 43 extend beyond the upper surface of the electromagnetic flowmeter body 1.

Preferably, a drain pipe 311 is connected to the side surface of the outer pipe 21, and the water outlet end of the drain pipe 311 extends to the outside of the side surface of the electromagnetic flowmeter body 1; the drain pipe 311 is positioned between the perforated plate 4 and the water inlet 22; the drain pipe 311 is provided with a manual valve.

Further, the controller 13 can select the controller 13 built in the electromagnetic flowmeter, or select an 80C51 singlechip as the microprocessor; the manual valve on the drain pipe 311 is a manually controlled ball valve.

The working principle of the anti-freezing electromagnetic flowmeter is as follows:

the evacuator 2 is integrated with the meter body, the use is convenient, when in use, the inner pipe 25 is rotated to open the water inlet hole 41 on the porous plate 4, and then the pull rod 43 is pulled to pump the accumulated water in the meter body from the hose 23; when the water needs to be drained, the inner pipe 25 is rotated to close the water inlet holes 41 of the porous plate 4, and then the pull rod 43 is pressed downward, so that the porous plate 4 is blocked and the water flow can be discharged only from the drain pipe 311.

The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the equivalents of the technical features in the claims. I.e., equivalent alterations and modifications within the scope of the invention, are also intended to be covered by the scope of this invention.

Claims

1. An anti-freezing electromagnetic flowmeter comprises an electromagnetic flowmeter body (1), wherein two ends of the electromagnetic flowmeter body (1) are connected with a water pipe (11) and a valve (12); the method is characterized in that: the inner wall of the electromagnetic flowmeter body (1) is connected with an evacuator (2); the upper surface of the electromagnetic flowmeter body (1) is connected with a controller (13) and a display (14); the emptying device (2) comprises an outer pipe (21), and the side surface of the outer pipe (21) is connected with the inner wall of the electromagnetic flowmeter body (1); a water inlet (22) is formed in the bottom of the outer pipe (21), the water inlet (22) is connected with a hose (23), and the hose (23) extends to the bottom of the electromagnetic flowmeter body (1).

2. The antifreeze electromagnetic flow meter of claim 1, wherein: an annular sliding groove (24) is formed in the inner wall of the outer pipe (21), and a limiting block (241) is arranged in the annular sliding groove (24); an inner tube (25) is arranged on the inner wall of the outer tube (21), and a sliding block (26) is connected to the outer surface of the inner tube (25) and is in sliding fit with the sliding groove (24).

3. The antifreeze electromagnetic flow meter according to claim 1, wherein: the lower part of the inner wall of the outer pipe (21) is connected with a porous plate (4); the surface of the perforated plate (4) is provided with a plurality of water inlet holes (41).

4. The antifreeze electromagnetic flow meter according to claim 2, wherein: a plurality of through holes are circumferentially formed in the bottom of the inner pipe (25), and the positions, the number and the sizes of the through holes are the same as those of the water inlet holes (41).

5. The antifreeze electromagnetic flow meter according to claim 2, wherein: a piston (42) is arranged on the inner wall of the inner pipe (25), and one end of the piston (42) is connected with a pull rod (43); the upper surface of the inner pipe (25) is higher than that of the outer pipe (21); the inner pipe (25) and the pull rod (43) extend out of the upper surface of the electromagnetic flowmeter body (1).

6. The antifreeze electromagnetic flow meter according to claim 1, wherein: a drain pipe (3) is connected to the side surface of the outer pipe (21), and a manual valve is arranged on the drain pipe (3); the water outlet end of the water outlet pipe (3) extends to the outside of the side surface of the electromagnetic flowmeter body (1); the drain pipe (3) is positioned between the porous plate (4) and the water inlet (22).