CN212082470U - Magnetic pulse type electronic water meter with function of preventing water stealing - Google Patents

Abstract

The utility model discloses a magnetic pulse formula electronic water meter with prevent stealing water function, which comprises a housin, the fixed inlet tube that is equipped with in casing one side, the fixed outlet pipe that is equipped with of casing opposite side, the inlet tube mid-mounting has the normal close motorised valve, the casing bottom mounting is equipped with first bearing, the inside fixed electric box that is equipped with in casing upper end, the fixed display screen that is equipped with on the electric box, the fixed pivot that is equipped with on the first bearing, the fixed a plurality of impellers that are equipped with of pivot middle part outer wall, electric box lower wall is equipped with the recess just the pivot is stretched into in the recess, the fixed angle hall sensor that is equipped with on the recess, the fixed magnet piece that is equipped with in. Has the advantages that: can utilize the power cord to connect the commercial power to charge for the lithium cell to need not often to charge to the lithium cell, it is comparatively convenient to use, and the lithium cell does not have the electricity back normally closed motorised valve can self-closing, thereby can prevent to utilize the emergence of outage steal the water condition.

Description

Magnetic pulse type electronic water meter with function of preventing water stealing

Technical Field

The utility model relates to an electronic water meter technical field particularly, relates to a magnetic impulse type electronic water meter with prevent stealing water function.

Background

The existing household water meter generally adopts a mechanical transmission type water meter, the water consumption is displayed by a structure of pointer or character wheel counting, and because a large number of transmission gears are adopted, the kinetic energy of water flow hardly overcomes the inertia and resistance of mechanical parts of the water meter in small flow, thereby causing the phenomena of flow non-counting and inaccurate metering. Meanwhile, mechanical parts used in the water meter can greatly influence the metering accuracy due to long-term rotation abrasion.

Chinese patent with patent number cn201520545459.x discloses a magnetic pulse formula electronic water meter, though has measurement accuracy height, long service life's advantage, only uses lithium cell power supply to need often to charge the lithium cell, uses comparatively troublesome to just can't calculate the flow of water after the lithium cell electric quantity that is used for the power supply is used up, there is the risk that the user lost power and steals water.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a magnetic pulse formula electronic water meter with prevent stealing water function to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a magnetic pulse type electronic water meter with the function of preventing water stealing comprises a shell, wherein a water inlet pipe is fixedly arranged on one side of the shell, a water outlet pipe is fixedly arranged on the other side of the shell, a normally closed electric valve is arranged in the middle of the water inlet pipe, a first bearing is fixedly arranged at the bottom end of the shell, an electric box is fixedly arranged in the upper end of the shell, a display screen is fixedly arranged on the electric box, a rotating shaft is fixedly arranged on the first bearing, a plurality of impellers are fixedly arranged on the outer wall in the middle of the rotating shaft, a groove is formed in the lower wall of the electric box, the rotating shaft extends into the groove, an angle Hall sensor is fixedly arranged on the groove, a magnet block is fixedly arranged at the upper end of the rotating shaft, a single chip microcomputer, a lithium battery and a charging controller are fixedly arranged, the lithium battery, the normally closed electric valve, the display screen and the angle Hall sensor are electrically connected with the single chip microcomputer.

Furthermore, a switch for controlling the display screen is fixedly arranged on the electrical box, and the switch is electrically connected with the single chip microcomputer.

Further, casing one side is fixed to be inlayed and is equipped with the USB interface that charges, the USB charge the interface with lithium cell electric connection.

Furthermore, a circular ring is fixedly arranged on the inner wall of the lower end of the groove, a second bearing is fixedly arranged in the circular ring, and the second bearing is fixedly sleeved on the outer wall of the rotating shaft.

Furthermore, a wire hole is formed in one side of the shell and one side of the electric box.

Furthermore, a wire protecting sleeve is fixedly arranged in the wire hole.

Further, the outer wall of the groove is fixed with a magnetic shield.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a set up casing, normally closed motorised valve, first bearing, electric box, display screen, pivot, impeller, angle hall sensor, magnet piece, singlechip, lithium cell, charge controller and power cord, can utilize the power cord to connect the commercial power to charge for the lithium cell to need not often to charge to the lithium cell, it is comparatively convenient to use, and the lithium cell does not have the electricity back normally closed motorised valve can self-closing, thereby can prevent to utilize the emergence of outage steal the water condition.

(2) The utility model discloses a set up the switch, can go out through the bright of on-off control display screen to can practice thrift certain electric energy.

(3) The utility model discloses a set up the USB interface that charges, can charge for the lithium cell through portable power sources such as treasured that charges when having a power failure and lithium battery electric quantity use up.

(4) The utility model discloses a set up ring and second bearing, can increase the stability of pivot.

(5) The utility model discloses a set up line hole and protect line cover, can be used for the threading, and protect line cover can protect the wire.

(6) The utility model discloses a set up the magnetic shield cover, can block interference and the attack of external height alternating electric field and external magnetostatic field to angle hall sensor.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a magnetic pulse type electronic water meter with a function of preventing water theft according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a block diagram of a circuit in a magnetic pulse type electronic water meter with a function of preventing water theft according to an embodiment of the present invention.

Reference numerals:

1. a housing; 2. a water inlet pipe; 3. a water outlet pipe; 4. a normally closed electric valve; 5. a first bearing; 6. an electrical box; 7. a display screen; 8. a rotating shaft; 9. an impeller; 10. a groove; 11. an angle Hall sensor; 12. a magnet block; 13. a single chip microcomputer; 14. a lithium battery; 15. a charge controller; 16. a power line; 17. a switch; 18. a USB charging interface; 19. a circular ring; 20. a second bearing; 21. a wire hole; 22. a magnetic shield is provided.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-3, according to the embodiment of the present invention, a magnetic pulse electronic water meter with anti-theft function includes a housing 1, a water inlet pipe 2 is fixed on one side of the housing 1, a water outlet pipe 3 is fixed on the other side of the housing 1, a normally closed electric valve 4 is installed in the middle of the water inlet pipe 2, a first bearing 5 is fixed on the bottom of the housing 1, an electrical box 6 is fixed inside the upper end of the housing 1, a display 7 is fixed on the electrical box 6, a rotating shaft 8 is fixed on the first bearing 5, a plurality of impellers 9 are fixed on the outer wall of the middle of the rotating shaft 8, a groove 10 is provided on the lower wall of the electrical box 6, the rotating shaft 8 extends into the groove 10, an angle hall sensor 11 is fixed on the groove 10, a magnet block 12 is fixed on the upper end of the rotating shaft 8, a single chip 13 and a single chip, Lithium cell 14 and charge controller 15, charge controller 15 electric connection has power cord 16, lithium cell 14 with charge controller 15 electric connection, lithium cell 14 the normally closed motorised valve 4, display screen 7 with angle hall sensor 11 all with singlechip 13 electric connection.

Through the above technical scheme of the utility model, can utilize power cord 16 to connect the commercial power to charge for lithium cell 14 to need not often to charge lithium cell 14, it is comparatively convenient to use, and lithium cell 14 does not have electricity back normally closed motorised valve 4 can self-closing, thereby can prevent to utilize the emergence of outage steal the water condition.

Example two:

referring to fig. 1 to 3, for the electrical box 6, a switch 17 for controlling the display screen 7 is fixedly arranged on the electrical box 6, and the switch 17 is electrically connected to the single chip 13; for the shell 1, a USB charging interface 18 is fixedly embedded on one side of the shell 1, and the USB charging interface 18 is electrically connected with the lithium battery 14; for the groove 10, a circular ring 19 is fixedly arranged on the inner wall of the lower end of the groove 10, a second bearing 20 is fixedly arranged in the circular ring 19, and the second bearing 20 is fixedly sleeved on the outer wall of the rotating shaft 8.

Through the above technical scheme of the utility model, can go out through the bright of switch 17 control display screen 7 to can practice thrift certain electric energy, set up the USB interface 18 that charges and can charge for lithium cell 14 through portable power source such as treasured that charges when having a power failure and 14 electric quantities of lithium cell use up, ring 19 and second bearing 20 can increase pivot 8's stability.

Example three:

referring to fig. 1-2, for the housing 1, a wire hole 21 is formed on one side of the housing 1 and the electrical box 6; for the wire hole 21, a wire protecting sleeve is fixedly arranged in the wire hole 21; for the recess 10, the outer wall of the recess 10 holds the magnetic shield 22.

Through the above technical scheme of the utility model, line hole 21 and protect line cover can be used for the threading, and the protect line cover can protect the wire, and magnetic shield 22 can block external height alternating electric field and external magnetostatic field to angle hall sensor 11's interference and attack.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, when the impeller 9 drives the magnet block 12 to rotate, the angle hall sensor 11 measures the rotation of the radial magnet block 12 through magnetic coupling, when the magnet block rotates for a circle, the angle hall sensor 11 sends a pulse signal to the single chip microcomputer 13, the single chip microcomputer 13 arranges, integrates, stores and calculates the pulse signal, the pulse signal becomes readable data and is displayed on the display screen 7, the single chip microcomputer 13, the normally closed electric valve 4, the angle hall sensor 11 and the display screen 7 are powered by the lithium battery 14, a plug of the power line 16 is inserted into a socket and can charge the lithium battery 14 through the charging controller 15 by using commercial power, so that the lithium battery 14 does not need to be charged frequently, the use is convenient, when the electric quantity of the lithium battery 14 is used up under special conditions, the normally closed electric valve 4 is powered off and can be automatically closed, the condition of water stealing by power failure can be prevented, the on-off of the display screen, thereby can practice thrift certain electric energy, set up USB charge interface 18 and can charge for lithium cell 14 through portable power source such as treasured that charges when having a power failure and lithium cell 14 electric quantity use up, ring 19 and second bearing 20 can increase the stability of pivot 8, line hole 21 and protect line cover can be used for the threading, and protect line cover can protect the wire, and magnetic shield 22 can block interference and attack of external height alternating electric field and external static magnetic field angle hall sensor 11.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a magnetic pulse formula electronic water meter with prevent stealing water function, a serial communication port, including casing (1), casing (1) one side is fixed to be equipped with inlet tube (2), casing (1) opposite side is fixed to be equipped with outlet pipe (3), inlet tube (2) mid-mounting has normally closed motorised valve (4), casing (1) bottom mounting is equipped with first bearing (5), casing (1) upper end inside is fixed to be equipped with electric box (6), electric box (6) are gone up to fix and are equipped with display screen (7), first bearing (5) are gone up to fix and are equipped with pivot (8), pivot (8) middle part outer wall is fixed and is equipped with a plurality of impellers (9), electric box (6) lower wall is equipped with recess (10) just pivot (8) stretch into in recess (10), the fixed angle hall sensor (11) that is equipped with on recess (10), the fixed magnet piece (12) that is equipped with in pivot (8) upper end, electric box (6) internal fixation is equipped with singlechip (13), lithium cell (14) and charge controller (15), charge controller (15) electric connection has power cord (16), lithium cell (14) with charge controller (15) electric connection, lithium cell (14) normally closed motorised valve (4), display screen (7) with angle hall sensor (11) all with singlechip (13) electric connection.

2. A magnetic pulse type electronic water meter with function of preventing water theft according to claim 1, characterized in that a switch (17) for controlling the display screen (7) is fixed on the electric box (6), and the switch (17) is electrically connected with the single chip microcomputer (13).

3. A magnetic pulse type electronic water meter with function of preventing water theft according to claim 1, characterized in that a USB charging interface (18) is fixedly embedded at one side of the housing (1), and the USB charging interface (18) is electrically connected with the lithium battery (14).

4. A magnetic pulse type electronic water meter with function of preventing water theft according to claim 1, characterized in that the inner wall of the lower end of the groove (10) is fixedly provided with a ring (19), the inner of the ring (19) is fixedly provided with a second bearing (20), and the second bearing (20) is fixedly sleeved on the outer wall of the rotating shaft (8).

5. A magnetic pulse type electronic water meter with function of preventing water theft according to claim 1, characterized in that the housing (1) and the electric box (6) are provided with wire holes (21) at one side.

6. A magnetic pulse type electronic water meter with function of preventing water theft according to claim 5, characterized in that a wire protecting sleeve is fixedly arranged in the wire hole (21).

7. A magnetic pulse type electronic water meter with function of preventing water theft according to claim 1, characterized in that a magnetic shield (22) is fixed on the outer wall of the groove (10).

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