CN218963518U

CN218963518U - Descaling mechanism for ultrasonic intelligent water meter

Info

Publication number: CN218963518U
Application number: CN202223521609.2U
Authority: CN
Inventors: 张�浩; 沈子健; 尉浩停
Original assignee: Ningbo Jingcheng Technology Co ltd
Current assignee: Ningbo Jingcheng Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-05
Anticipated expiration: 2032-12-29

Abstract

The descaling mechanism for the ultrasonic intelligent water meter comprises a water flow pipe, wherein the water flow pipe is assembled in a pipe section. The water flow pipe is provided with a descaling pipe, and the descaling pipe is provided with a first adsorption element. A movable cavity is formed between the water flow pipe and the pipe section, an adsorption moving mechanism for driving the descaling pipe to move is arranged in the movable cavity, and the adsorption moving mechanism corresponds to the second adsorption element of the first adsorption element. The descaling pipe comprises a pipe body, rubber rings are assembled on two sides of the pipe body, and the first adsorption element is assembled in the rubber rings. The adsorption moving mechanism comprises a driving motor, a moving belt is arranged on the driving motor, an adsorption piece is fixedly arranged on the moving belt, and the second adsorption element is arranged on the adsorption piece. Compared with the prior art, the water flow tube descaling device can remove scale from the water flow tube passing through water flow, and avoids that after the water meter works for a long time, the scale is attached to the surface of the ultrasonic wave transduction element, so that the metering error is increased.

Description

Descaling mechanism for ultrasonic intelligent water meter

Technical Field

The utility model belongs to the technical field of water meter descaling devices, and particularly relates to a descaling mechanism for an ultrasonic intelligent water meter.

Background

The ultrasonic water meter is a novel water meter which further calculates the flow of water by detecting the time difference generated by the speed change when the ultrasonic sound beam is transmitted in the water in the concurrent and countercurrent mode and analyzing and processing the flow rate of the water. Compared with the traditional water meter, the ultrasonic intelligent water meter has excellent small flow detection capability, can solve the problems of a plurality of traditional water meters, is more suitable for gradient charging of water fees, is more suitable for saving and reasonably utilizing water resources, and has wide market and use prospects.

After the existing ultrasonic intelligent water meter is used for a long time, a large amount of scale can be accumulated in the interior, especially in the pipe section through which water flows, if the water meter is not cleaned in time, the metering error of the ultrasonic energy conversion element is increased, and the more serious case can be blocked, so that the normal measurement work of the water meter is affected. Most of the existing scale cleaning modes are used for dismantling the water meter, cleaning equipment is manually used for cleaning, cleaning is complicated, installation and calibration are required to be carried out again subsequently, and the descaling efficiency is quite low.

Accordingly, based on some of the above prior art, applicants have provided a scale removal mechanism for an ultrasonic intelligent water meter.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the descaling mechanism for the ultrasonic intelligent water meter, which can be used for descaling a water flow pipe through which water flows, so that the phenomenon that the water scale is attached to the surface of an ultrasonic energy conversion element after the water meter works for a long time is avoided, the metering error is increased, the water meter is not required to be disassembled for descaling, and the descaling is simple and convenient.

In order to solve the technical problems, the utility model is solved by the following technical scheme.

The descaling mechanism for the ultrasonic intelligent water meter is assembled in the pipe section of the intelligent water meter. Comprising a water flow tube, which is assembled in a tube section; the water flow pipe is provided with a descaling pipe, and the descaling pipe is provided with a first adsorption element. A movable cavity is formed between the water flow pipe and the pipe section, an adsorption moving mechanism for driving the descaling pipe to move is arranged in the movable cavity, and the adsorption moving mechanism corresponds to the second adsorption element of the first adsorption element.

The descaling pipe comprises a pipe body, rubber rings are assembled on two sides of the pipe body, and the first adsorption element is assembled in the rubber rings.

The adsorption moving mechanism comprises a driving motor, a moving belt is arranged on the driving motor, an adsorption piece is fixedly arranged on the moving belt, and the second adsorption element is arranged on the adsorption piece.

In a preferred embodiment, the water flow pipe is made of plastic.

In a preferred embodiment, a descaling shovel groove which is deepened from the self-assembly end face to the descaling end face is formed in the inner side wall of the rubber ring.

In a preferred embodiment, a gap is left between the suction member and the side wall of the water flow pipe.

In a preferred embodiment, a moving cavity for accommodating the moving belt is arranged in the pipe section, a limiting groove is formed in a section of the moving cavity facing the water flow pipe, and a limiting seat matched with the limiting groove is arranged on the absorption part.

In a preferred embodiment, a roller is arranged in the moving cavity corresponding to the turning position of the moving belt.

Compared with the prior art, the application has the following beneficial effects:

1. the water flow tube through which water flows can be descaled, so that the water meter is prevented from being attached to the surface of the ultrasonic transduction element after long-time working, the metering error is increased, the water meter is not required to be disassembled for descaling, and the descaling is simple and convenient.

2. The scale removal device has a periodic scale removal function, and reduces later maintenance work.

3. The descaling pipe and the adsorption moving mechanism are magnetically adsorbed, and are driven to move in a non-contact mode, so that the phenomenon that flowing water seeps into gaps between the water flow pipe and the pipe section to damage other components is avoided.

Drawings

Fig. 1 is a schematic perspective view of an ultrasonic intelligent water meter.

Fig. 2 is an explosion schematic diagram of an ultrasonic intelligent water meter.

Fig. 3 is a sectional view showing the internal structure of the ultrasonic intelligent water meter.

Fig. 4 is a schematic perspective sectional view of the assembled pipe section and water flow pipe.

Fig. 5 is a partial enlarged view at a in fig. 4.

Fig. 6 is a perspective cross-sectional view of the internal structure of the pipe section.

Fig. 7 is a perspective view of a descaling pipe.

Fig. 8 is a schematic cross-sectional view of the structure of the first check valve.

Fig. 9 is a schematic cross-sectional view of the structure of the second check valve.

The following is a description of the marks in the drawings of the specification:

10. a lower case; 11. an upper case; 12. a cover; 13. fixing the assembly plate; 14. a bottom plate; 15. a box cover; 16. a module group board; 17. a power supply element; 18. a pipe section; 19. an ultrasonic transduction element;

20. a water flow pipe; 21. a seal ring; 22. an ultrasonic wave reflection block; 23. a moving chamber; 24. a limit groove; 25. a roller;

30. a descaling pipe; 31. a first adsorption element; 32. a tube body; 33. a rubber ring; 34. a descaling shovel groove;

40. an adsorption moving mechanism; 41. a second adsorption element; 42. a driving motor; 43. a moving belt; 44. an absorbing member; 45. a limit seat;

50. a first one-way valve; 51. a first valve body; 52. a first extraction opening; 53. a first air outlet; 54. a first block; 55. a first spring; 56. an adjusting screw; 57. a vent hole;

60. a second one-way valve; 61. a second valve body; 62. a second extraction opening; 63. a second air outlet; 64. a second block; 65. and a second spring.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the detailed description.

In the following embodiments, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout, and the embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

In the description of the present utility model, it is to be understood that the terms: the directions of the center, the longitudinal, the lateral, the length, the width, the thickness, the upper, the lower, the front, the rear, the left, the right, the vertical, the horizontal, the top, the bottom, the inner, the outer, the clockwise, the counterclockwise, etc. indicate the directions or the positional relationship based on the directions or the positional relationship shown in the drawings, are merely for convenience of description and simplification of the description, and therefore, should not be construed as limiting the present utility model. Furthermore, the term: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of features shown. In the description of the present utility model, unless explicitly specified and defined otherwise, the terms: mounting, connecting, etc. should be construed broadly and the specific meaning of the terms in the present application will be understood by those skilled in the art in view of the specific circumstances.

Referring to fig. 1 to 9, an ultrasonic intelligent water meter with a descaling function comprises a meter body, wherein the meter body comprises a lower shell 10 and an upper shell 11, and a fixed assembly plate 13 is assembled between the lower shell 10 and the upper shell 11. The upper case 11 is provided with a case cover 12. The upper case 11 is internally provided with a module box formed by assembling a bottom plate 14 and a box cover 15, and the module box is fixed on a fixed assembly plate 13. The module box is equipped with a module group board 16, and preferably, the module group board 16 comprises a control module, an NB-IOT remote transmission module and the like.

The power supply element 17 is mounted on one side of the lower housing 10, and the pipe section 18 is mounted in the middle of the lower housing 10 in a manner of being fixedly connected with the fixing assembly plate 13 through bolts. The fixing assembly plate 13 is also provided with an ultrasonic transducer 19, and the ultrasonic transducer 19 is used for metering the water quantity in the pipe section 18. The pipe section 18 is provided with a temperature sensor for detecting the temperature of the flowing water.

The essential characteristics of this embodiment are: the water flow pipe 20 is assembled in the pipe section 18, the water flow pipe 20 is made of anti-corrosion plastic, and the inner wall of the water flow pipe 20 is smooth. Sealing rings 21 for sealing are arranged between the two sides of the water flow pipe 20 and the pipe section 18. The water flow pipe 20 is provided with a descaling pipe 30, and the descaling pipe 30 is provided with a first adsorption element 31. A moving cavity is formed between the water flow pipe 20 and the pipe section 18, an adsorption moving mechanism 40 for driving the descaling pipe 30 to move is arranged in the moving cavity, and the adsorption moving mechanism 40 corresponds to a second adsorption element 41 of the first adsorption element 31. The detection head of the ultrasonic transducer 19 extends into and aligns with the side wall of the water flow pipe 20 from the side surface of the pipe section 18, a negative pressure cavity is also formed between the water flow pipe 20 and the pipe section 18, and an ultrasonic reflection block 22 corresponding to the ultrasonic transducer 19 and arranged in opposite directions is arranged in the negative pressure cavity.

The embodiment can perform periodic descaling and checking descaling, and the method is as follows:

in the periodic descaling, the descaling pipe 30 reciprocates once in the water flow pipe 20, and the steps of use are as follows: first, a descaling period is set by the control module. When the set descaling time is reached, the ultrasonic transducer 19 detects whether the user uses water, and transmits a signal to the control module to judge: when the user does not use water, the control module controls the ultrasonic transduction element 19 to stop metering so as to avoid the interference of the magnetic field formed by the movement of the first adsorption element 31 and the second adsorption element 41 with the metering, and controls the adsorption movement mechanism 40 to drive the descaling pipe 30 to scale the inner wall of the water flow pipe 20. When the user is in the water-using state all the time in the descaling period, the descaling work is continued to the next descaling period.

In the inspection descaling, the descaling pipe 30 reciprocates in the water flow pipe 20 more than once, and the steps of use are as follows: firstly, the water valve is closed, and the negative pressure cavity is pumped by using an external air pump. Then, the control module sets the inspection descaling. The ultrasonic transducer 19 stops metering, and the adsorption moving mechanism 40 drives the descaling pipe 30 to reciprocate in the water flow pipe 20, so as to scale the inner wall of the water flow pipe 20.

As a specific embodiment, the descaling pipe 30 includes a pipe body 32, rubber rings 33 are assembled on two sides of the pipe body 32, and descaling shovel grooves 34 deepened from the assembled end surface to the descaling end surface curve are formed on the inner side walls of the rubber rings 33. The first adsorbing element 31 is fitted in a rubber ring 33.

The adsorption moving mechanism 40 is disposed at two sides of the water flow pipe 20, the adsorption moving mechanism 40 drives the descaling pipe 30 to reciprocate in the water flow pipe 20 to achieve the purpose of descaling, and the specific structure of the adsorption moving mechanism 40 is as follows: the adsorption moving mechanism 40 comprises a driving motor 42, a moving belt 43 is arranged on the driving motor 42, an adsorption piece 44 is fixedly arranged on the moving belt 43, and the second adsorption element 41 is arranged on the adsorption piece 44.

In particular, a gap is left between the adsorbing member 44 and the side wall of the water flow pipe 20, so as to avoid friction damage to the outer wall of the water flow pipe 20 caused by the adsorbing member 44 during the descaling process. The pipe section 18 is internally provided with a moving cavity 23 for accommodating a moving belt 43, a section of the moving cavity 23 facing the water flow pipe 20 is provided with a limiting groove 24, and the adsorption piece 44 is provided with a limiting seat 45 matched with the limiting groove 24. The roller 25 is disposed in the moving cavity 23 at a corner corresponding to the moving belt 43, and the roller 25 is used for avoiding friction between the moving belt 43 and the pipe section 18, so that the moving belt 43 is broken by friction.

The difference between this embodiment and the above embodiment is that: the adsorption moving mechanism 40 and the descaling pipe 30 are magnetically adsorbed and driven to move in a non-contact mode, so that the running water is prevented from seeping into a gap between the water flow pipe 20 and the pipe section 18, and other components are prevented from being damaged.

As a specific embodiment, the negative pressure cavity is internally provided with a negative pressure air suction mechanism, and the structure is specifically as follows: a first check valve 50 and a second check valve 60 are arranged in the negative pressure cavity; the first check valve 50 has one end extending into the water flow tube 20 and not exceeding the side wall of the water flow tube 20 and the other end extending out of the tube section 18. The second check valve 60 is located in the negative pressure cavity, and one end of the second check valve 60 extends out of the pipe section 18.

Specifically, the first check valve 50 includes a first valve body 51, a first extraction opening 52 is disposed on the first valve body 51, and a first air outlet 53 is disposed around a side surface of the first valve body 51. The first valve body 51 is provided with a first block 54 in the cavity for matching with the first air extraction opening 52, and the first block 54 is provided with a vent 57. The bottom of the first blocking piece 54 is provided with a first spring 55. The first check valve 50 further includes an adjusting screw 56 assembled and fixed with the pipe section 18, and the adjusting screw 56 extends into the first valve body 51 and abuts against the first blocking piece 54.

Specifically, the second check valve 60 includes a second valve body 61, a second extraction opening 62 is formed around a side surface of the second valve body 61, and a second air outlet 63 is formed at the bottom of the second valve body 61; a second blocking block 64 for matching with the second air outlet 63 is arranged in the cavity of the second valve body 61, and a second spring 65 is arranged at the bottom of the second blocking block 64.

The difference between this embodiment and the above embodiment is that: the negative pressure air extraction mechanism can enable the air pressure of the cavity between the descaling pipe 30 and the water flow pipe 20 and the air pressure of the cavity between the water flow pipe 20 and the pipe section 18 to be smaller than the external pressure. So that the water flow pipe 20 and the pipe section 18 are reliably sealed, and the water flow is prevented from entering the gap between the water flow pipe 20 and the pipe section 18, and damaging parts. And can guarantee that scale removal pipe 30 closely laminates with rivers pipe 20 inner wall for scale removal pipe 30 is in removing scale removal in-process and is carried out more thoroughly clearance to the incrustation scale that adheres to on rivers pipe 20 inner wall, promotes scale removal effect and descaling efficiency greatly.

The using method of the negative pressure air extraction mechanism comprises the following steps:

firstly, the descaling pipe 30 is ensured to stop at the initial position, and when the descaling pipe 30 stops at the initial position, the first air extraction opening 52 of the first one-way valve 50 is opposite to the cavity formed by the descaling pipe 30 and the inner wall of the water flow pipe 20. The adjusting screw 56 of the first check valve 50 is adjusted so that the first block 54 can freely move up and down.

Then, a special exhaust pipe of the external air exhaust device is inserted into the air outlet of the second one-way valve 60, the special exhaust pipe jacks up the second blocking piece 64, and the external air exhaust device starts exhausting air. During this time, when the air pressure of the negative pressure cavity is much smaller than the air pressure of the cavity between the descaling pipe 30 and the water flow pipe 20, the first blocking piece 54 of the first check valve 50 is pressed down, and air is pumped until the air pressure of the negative pressure cavity and the air pressure of the cavity between the descaling pipe 30 and the water flow pipe 20 are stable.

Finally, the special extraction tube is extracted, and the second blocking piece 64 blocks the second air outlet 63 under the action of gravity and the second spring 65. The adjusting screw 56 is screwed, and the adjusting screw 56 pushes the first blocking piece 54 up to block the first air extraction opening 52.

The scope of the present utility model includes, but is not limited to, the above embodiments, and any alterations, modifications, and improvements made by those skilled in the art are intended to fall within the scope of the utility model.

Claims

1. The descaling mechanism for the ultrasonic intelligent water meter is assembled in a pipe section (18) of the intelligent water meter and is characterized by comprising a water flow pipe (20), wherein the water flow pipe (20) is assembled in the pipe section (18); a descaling pipe (30) is assembled in the water flow pipe (20), and a first adsorption element (31) is assembled in the descaling pipe (30); a movable cavity is formed between the water flow pipe (20) and the pipe section (18), an adsorption moving mechanism (40) for driving the descaling pipe (30) to move is arranged in the movable cavity, and the adsorption moving mechanism (40) corresponds to a second adsorption element (41) of the first adsorption element (31);

the descaling pipe (30) comprises a pipe body (32), rubber rings (33) are arranged on two sides of the pipe body (32), and the first adsorption element (31) is arranged in the rubber rings (33);

the adsorption moving mechanism (40) comprises a driving motor (42), a moving belt (43) is arranged on the driving motor (42), an adsorption piece (44) is fixedly arranged on the moving belt (43), and the second adsorption element (41) is arranged on the adsorption piece (44).

2. The descaling mechanism for the ultrasonic intelligent water meter according to claim 1, wherein the water flow pipe (20) is made of plastic.

3. The descaling mechanism for the ultrasonic intelligent water meter according to claim 1, wherein a descaling shovel groove (34) with a deepened curve from the assembly end face to the descaling end face is arranged on the inner side wall of the rubber ring (33).

4. The descaling mechanism for the ultrasonic intelligent water meter according to claim 1, wherein a gap is left between the adsorbing member (44) and the side wall of the water flow tube (20).

5. The descaling mechanism for the ultrasonic intelligent water meter according to claim 4, wherein a moving cavity (23) for accommodating a moving belt (43) is arranged in the pipe section (18), a limiting groove (24) is arranged in a section of the moving cavity (23) facing the water flow pipe (20), and a limiting seat (45) matched with the limiting groove (24) is arranged on the adsorbing piece (44).

6. The descaling mechanism for the ultrasonic intelligent water meter according to claim 5, wherein a roller (25) is arranged in the moving cavity (23) corresponding to the turning position of the moving belt (43).