CN216645463U

CN216645463U - High accuracy stainless steel ultrasonic water meter watchcase

Info

Publication number: CN216645463U
Application number: CN202123178907.1U
Authority: CN
Inventors: 张国样
Original assignee: Yingtan Daopu Intelligent Technology Co ltd
Current assignee: Yingtan Daopu Intelligent Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-05-31
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a high-precision stainless steel ultrasonic water meter shell which comprises a stainless steel pipe section, an energy converter mounting seat and a reflector plate, wherein a water inlet and a water outlet are respectively formed in two ends of the stainless steel pipe section, an inner pipe is embedded in the stainless steel pipe section, rectifier pipes are respectively mounted at two ends of the inner pipe, two mounting holes are correspondingly formed in the inner pipe and the stainless steel pipe section, the energy converter mounting seat is welded on the mounting holes, two groups of clamping grooves which are obliquely arranged are formed in the outer wall of the inner pipe, the reflector plate is embedded in the clamping grooves, sliding grooves which are horizontally arranged and extend along the direction of the inner pipe are formed in two sides of the inner wall of each rectifier pipe, a rectifier is clamped in the sliding grooves, and one end of the rectifier is abutted to the reflector plate. The rectifier can carry out the rectification to disorderly rivers, improves the stability of rivers to reduce rivers and to the influence of ultrasonic wave propagation, improve measurement accuracy, rectifier one end top connects on the reflector plate, to having certain supporting role of reflector plate, prevent that the reflector plate warp and be favorable to improving measurement accuracy.

Description

High accuracy stainless steel ultrasonic water meter watchcase

Technical Field

The utility model relates to the field of flow measurement, in particular to a high-precision stainless steel ultrasonic water meter shell.

Background

The ultrasonic water meter is a novel water meter which is used for further calculating the flow of outlet water by detecting the time difference generated by the change of the speed when an ultrasonic sound beam propagates in downstream and upstream in water and analyzing and processing the flow speed of the outlet water. In recent years, under the situation that energy and water resources are increasingly deficient globally, with the continuous improvement of legal metering, the requirement of the whole society on water metering is higher and higher. Therefore, for many years, research of related personnel focuses on how to adapt the water meter to various flow field installation requirements, expand the flow measurement range of the water meter, prolong the service life of the water meter, improve the intelligentization degree of the meter, meet the requirements of meter reading and water consumption management, adopt materials with higher sanitation, safety and lower cost, and the like.

In the ultrasonic water meter testing process, because external rivers are disorderly, the rivers form differs, influences the propagation of ultrasonic wave in normal rivers, leads to the flow that the measurement was come out not accurate, and because under the impact of long-term rivers, the reflector plate is out of shape easily, influences measurement accuracy.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the high-precision stainless steel ultrasonic water meter shell which can stabilize water flow and prevent a reflector plate from deforming.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a stainless steel ultrasonic water meter watchcase of high accuracy, includes stainless steel pipeline section, transducer mount pad and reflector plate, water inlet and delivery port that both ends were equipped with respectively on the stainless steel pipeline section, the embedded inner tube that is furnished with in nonrust steel pipe section, the rectifier tube is all installed at the inner tube both ends, it is provided with two mounting holes to correspond on inner tube and the stainless steel pipeline section, the welding has on the mounting hole the transducer mount pad, open the draw-in groove that has two sets of slopes to set up on the inner tube outer wall, two sets of draw-in grooves are in respectively just the symmetry setting is the type of falling eight under two mounting holes, the reflector plate embedding in the draw-in groove, open rectifier tube inner wall both sides has the level to set up and follows the spout that the inner tube direction extends, the joint has the rectifier in the spout, and this rectifier one end butt is in on the reflector plate.

By adopting the technical scheme, the rectifier can rectify the disordered water flow and improve the stability of the water flow, so that the influence of the water flow on ultrasonic wave propagation is reduced, the measurement precision is improved, one end of the rectifier is connected to the reflector plate in a jacking mode, a certain supporting effect is realized on the reflector plate, and the reflector plate is prevented from deforming, so that the measurement precision is improved.

Further setting, be provided with the joint on the rectifier and be in joint board in the spout, the outside extension in joint board both sides is formed with the lug, the port department that inner tube and rectifier tube meet all opens the recess that joins in marriage and set up relatively with this lug card.

By adopting the technical scheme, when the inner tube is butted with the port of the rectifier tube, the convex block can be clamped and limited by the oppositely arranged grooves, so that the stability of the rectifier is enhanced.

The rectifiers are further arranged in a bullet shape, the tips of the heads of the two rectifiers respectively face the corresponding water inlet and the corresponding water outlet, and the tails of the two rectifiers are respectively abutted against the corresponding reflector plates.

By adopting the technical scheme, the bullet-shaped rectifier has a buffering and rectifying effect on water flow, and the rectifying effect is better.

The rectifier is further provided with an inner cavity formed by hollowing out the interior of the rectifier, a through hole communicated with the inner cavity and a top interface are formed in the head tip position and the tail portion of the rectifier respectively, a flow channel is formed in the bottom of the top interface, and the top interface is abutted to the reflector plate.

Adopt above-mentioned technical scheme, owing to at the rectifier in-process of moulding plastics, the pit can appear on its surface behind the cooling shrink, leads to the rectification effect not good, and the design of inner chamber, through-hole and top interface lets the rectifier form an inside structure that runs through, and it is more steady to mould plastics the back shrink, can effectively slow down the problem that the pit appears in the shrink in-process.

And further setting, a limit groove is formed by sinking the top interface, and the reflector plate is embedded in the limit groove.

By adopting the technical scheme, the rectifier is more stably connected with the reflector plate, the stability of the reflector plate is further enhanced, and the deformation of the reflector plate is prevented.

And further setting, sealing rings are tightly matched in the water inlet and the water outlet, and the sealing rings are tightly attached to the ports of the rectifying tubes far away from the reflector plate.

By adopting the technical scheme, the sealing effect between the rectifier tube and the stainless steel tube section can be enhanced.

Drawings

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

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a partial schematic view of the present invention;

FIG. 4 is a schematic structural diagram of a rectifier and a reflector according to the present invention.

The reference numbers in the figures illustrate:

1. a stainless steel pipe section; 11. a water inlet; 12. a water outlet; 2. an inner tube; 21. a card slot; 3. Mounting holes; 31. a transducer mount; 4. a rectifier tube; 41. a chute; 5. a reflective sheet; 6. A rectifier; 61. a clamping and connecting plate; 62. a through hole; 63. a top interface; 611. a bump; 631. a limiting groove; 632. a flow channel; 7. a seal ring; 8. and (4) a groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

The utility model is further described with reference to the following detailed description and accompanying drawings.

As shown in fig. 1-3, a stainless steel ultrasonic water meter case with high precision comprises a stainless steel pipe section 1, a transducer mounting seat 31 and a reflector 5, wherein a water inlet 11 and a water outlet 12 are respectively arranged at two ends of the stainless steel pipe section 1, an inner pipe 2 is embedded in the stainless steel pipe section 1, a rectifier tube 4 is arranged at two ends of the inner pipe 2, and the rectifier tube 4 and the inner pipe 2 can be installed in a clamping and embedding manner, so that the assembly in the earlier stage is facilitated. The inner tube 2 and the stainless steel pipe section 1 are correspondingly provided with two mounting holes 3, the transducer mounting seat 31 is welded on the mounting holes 3, the outer wall of the inner tube 2 is provided with two groups of clamping grooves 21 which are obliquely arranged, and the two groups of clamping grooves 21 are respectively positioned below the two mounting holes 3 and symmetrically arranged to form an inverted eight shape. The reflector 5 is embedded in the slot 21, because the ultrasonic wave emitted by the transducer is downward along the mounting hole 3, the reflector 5 is necessarily arranged below the mounting hole 3, the slot 21 is symmetrically inverted eight-shaped, the reflector 5 correspondingly clamped in the slot 21 is also inverted eight-shaped, the transducer is arranged in the transducer mounting seat 31, the transducer emits the ultrasonic wave downward along the mounting opening, the reflector 5 below the mounting opening reflects the ultrasonic wave to transmit the ultrasonic wave to another reflector 5 in the inner tube 2 through downstream water flow, the reflector 5 reflects the sound wave to the transducer above correspondingly to receive, and in the same way, a reverse transmitting and receiving process in a reverse flow is carried out, the time difference generated by the change of the speed of the ultrasonic sound beam during downstream and reverse flow in water is detected, and the flow speed of the water is obtained through analysis treatment, so that the flow rate of the water is further calculated. 4 inner wall both sides of rectifier tube are opened and are had the level setting and follow the spout 41 that 2 directions of inner tube extend, the joint has rectifier 6 in the

spout

41, and 6 one end tops of this rectifier are in on the reflector plate 5, when rivers flow into from water inlet 11, rivers are disorderly, the form is inconsistent, rectifier 6 can be with rivers rectification one-tenth same form's rivers, it is not necessary here very steady to the rivers rectification, the rivers of same form are little to the transmission influence of ultrasonic wave, and then improved measurement accuracy, under a long-term rivers impact, reflector plate 5 is likely to take place deformation, 6 one end tops of rectifier connect reflector plate 5, further improve reflector plate 5's stability.

As shown in fig. 2-4, the rectifier 6 is provided with a clamping plate 61 clamped in the sliding groove 41, two sides of the clamping plate 61 extend outward to form a protrusion 611, and the ports of the inner tube 2 connected to the rectifier tube 4 are both provided with grooves 8 which are clamped with the protrusion 611 and are arranged oppositely. During assembly, the clamping plate 61 on the rectifier 6 is inserted into the rectifier tube 4 along the sliding groove 41, one end of the protrusion 611 extending outwards is clamped in the groove 8 on the rectifier 6, the rectifier tube 4 is connected to the port of the inner tube 2, the other end of the protrusion 611 is clamped in the groove 8 on the inner tube 2, the two grooves 8 clamp the protrusion 611 in opposite directions, assembly is convenient, and the stability of the rectifier 6 is improved. Tight fit has sealing washer 7 in water inlet 11 and the delivery port 12, and this sealing washer 7 closely laminates on rectifier tube 4 keeps away from the port of reflector plate 5, may have the gap between rectifier tube 4 outer wall and the 1 inner wall of stainless steel pipeline section, and sealing washer 7's setting can be sealed the gap, avoids rivers to flow to delivery port 12 from the gap in, and does not pass through the detection.

The rectifiers 6 are bullet-shaped, the tips of the heads of the two rectifiers 6 respectively face the corresponding water inlet 11 and the corresponding water outlet 12, and the tails of the two rectifiers 6 are respectively abutted against the corresponding reflector plates 5. Here, the size and shape of the tail of the commutator 6 need to be determined according to the size and shape of the reflector 5, and since the middle section of the reflector 5 is elliptical or circular and the cross section of the tail of the corresponding commutator 6 is also elliptical or circular, the head of the commutator 6 is pointed to reduce the water flow impact, and the commutator 6 is formed in a bullet shape, and it is understood that the shape of the commutator 6 may be other shapes. Referring to fig. 4, an inner cavity is hollowed inside the rectifier 6, a through hole 62 and a top interface 63 which are communicated with the inner cavity are respectively formed at the tip position and the tail portion of the head of the rectifier 6, a flow channel 632 is formed at the bottom of the top interface 63, and the top interface 63 is connected to the reflector 5 in a top manner; because at rectifier 6 in-process of moulding plastics, the pit can appear on its surface after the cooling shrink, lead to the rectification effect not good, the design of inner chamber, through-hole 62 and top interface 63 lets rectifier 6 form an inside structure that runs through, it is more steady to mould plastics the back shrink, can effectively slow down the problem that the pit appears in the shrink in-process, when having the air in the inner chamber, because through-hole 62, inner chamber and runner 632 are communicating, rivers can get rid of the air in the inner chamber to can not influence ultrasonic transmission.

Referring to fig. 4, in order to further improve the stability of the reflector 5, the top interface 63 is recessed to form a limiting groove 631, and the reflector 5 is embedded in the limiting groove 631, thereby enhancing the connection strength between the rectifier 6 and the reflector 5.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. The utility model provides a stainless steel ultrasonic water meter watchcase of high accuracy, includes stainless steel pipeline section (1), transducer mount pad (31) and reflector plate (5), water inlet (11) and delivery port (12) that both ends were equipped with respectively on stainless steel pipeline section (1), its characterized in that: stainless steel pipeline section (1) embedded inner tube (2) of being furnished with, rectifier tube (4) are all installed at inner tube (2) both ends, it is provided with two mounting holes (3) to correspond on inner tube (2) and stainless steel pipe section (1), the welding has on mounting hole (3) transducer mount pad (31), open draw-in groove (21) that have two sets of slopes to set up on inner tube (2) outer wall, two sets of draw-in grooves (21) are in respectively two mounting holes (3) are down and the symmetry sets up and are the type of falling eight, reflector plate (5) imbed in draw-in groove (21), open rectifier tube (4) inner wall both sides has the level to set up and follows spout (41) that inner tube (2) direction extends, the joint has rectifier (6) in spout (41), and this rectifier (6) one end butt is in on reflector plate (5).

2. The high precision stainless steel ultrasonic water meter case of claim 1, wherein: be provided with the joint on rectifier (6) and be in joint board (61) in spout (41), joint board (61) both sides outwards extend and are formed with lug (611), the port department that inner tube (2) and rectifier tube (4) meet all opens recess (8) that just set up relatively with this lug (611) card cooperation.

3. The high precision stainless steel ultrasonic water meter case of claim 1, wherein: the rectifiers (6) are bullet-shaped, the tips of the heads of the two rectifiers (6) face the corresponding water inlet (11) and the corresponding water outlet (12) respectively, and the tails of the two rectifiers (6) are abutted to the corresponding reflector plates (5) respectively.

4. The high precision stainless steel ultrasonic water meter case of claim 1, wherein: the rectifier (6) is internally hollowed to form an inner cavity, a through hole (62) communicated with the inner cavity and a top interface (63) are formed in the head tip position and the tail portion of the rectifier (6) respectively, a flow channel (632) is formed in the bottom of the top interface (63), and the top interface (63) is connected to the reflector plate (5) in a top mode.

5. The high precision stainless steel ultrasonic water meter case of claim 4, wherein: the top interface (63) is sunken to form a limiting groove (631), and the reflector plate (5) is embedded in the limiting groove (631).

6. The high precision stainless steel ultrasonic water meter case of claim 1, wherein: and a sealing ring (7) is tightly matched in the water inlet (11) and the water outlet (12), and the sealing ring (7) is tightly attached to the port of the rectifying tube (4) far away from the reflector plate (5).