CN211783661U

CN211783661U - Ultrasonic water meter

Info

Publication number: CN211783661U
Application number: CN202020856846.6U
Authority: CN
Inventors: 卜凡雷; 蒋广泉; 代凯凯
Original assignee: Shandong Haidirui Instrument Co ltd
Current assignee: Shandong Haidirui Instrument Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-10-27
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses an ultrasonic water meter, relating to the technical field of metering instruments, wherein the lower part of a fixing frame is fixedly connected with a pipe section, the upper part of the fixing frame is detachably connected with the ultrasonic water meter, the side surface of the ultrasonic water meter is provided with a wire hole, the upper ends of the pipe section side walls positioned at the left side and the right side of the ultrasonic water meter are respectively welded with two probe sleeves, and link up with the pipeline section, ultrasonic transducer's probe passes the probe sleeve pipe, installs in the inside of pipeline section, and the wire passes through the wire guide and is connected with ultrasonic transducer, is located the inside jack that is equipped with of the ascending pipeline section of probe sleeve pipe vertical side, and inside the jack was inserted to the stand, the up end of stand was equipped with the plane of reflection, the utility model discloses, greatly reduced in the pipeline bubble to signal transmission's influence, made the interior fluid state of pipeline more stable, guaranteed ultrasonic water meter's measuring accuracy, simple structure is reliable, design benefit, convenient operation.

Description

Ultrasonic water meter

Technical Field

The utility model relates to a metering device technical field, in particular to ultrasonic water meter.

Background

As is well known, in order to save water resources and control the artificial waste of water resources, a tap water meter is usually installed on a water inlet pipeline of each household, an ultrasonic water meter is a novel water meter which is used for obtaining the flow rate of water by analyzing and processing through detecting the time difference generated by the change of the speed when an ultrasonic sound beam is propagated in water in a forward and backward flow manner, so that the flow of the water is further calculated, the novel water meter has excellent small-flow detection capability, can solve the problems of a plurality of traditional water meters, is more suitable for water-fee gradient charging, is more suitable for the saving and reasonable utilization of water resources, and has wide market and use prospects.

The ultrasonic transducer is arranged on the fluid inlet or the return pipe, a probe of the ultrasonic transducer sends an ultrasonic signal which is in direct proportion to the flow, the flow of the fluid is measured by depending on the time difference of the ultrasonic signal in the fluid, the integrating instrument collects the ultrasonic signal from the flow, and the flow of the water body is calculated by using a calculation formula. However, some bubbles inevitably exist in the pipeline, which seriously affects the stability of the flow of the liquid in the pipeline, so that the ultrasonic transducer is interfered when measuring the flow, and the ultrasonic water meter cannot accurately measure the flow.

SUMMERY OF THE UTILITY MODEL

The utility model provides an ultrasonic water meter has solved above-mentioned problem effectively, has guaranteed ultrasonic water meter when using, can not receive the interference of bubble in the pipeline, and simple structure is reliable, design benefit, convenient operation.

The specific technical scheme is that an ultrasonic water meter, includes: an ultrasonic water meter, a fixing frame, a wire guide hole, a wire, an ultrasonic transducer, a pipe section, a probe sleeve, a jack, an upright post and a reflecting surface,

in the vertical direction, the lower part and the pipeline section fixed connection of mount, the upper portion and the ultrasonic water meter of mount can be dismantled and be connected, the wire guide is seted up to the side of ultrasonic water meter, be located the pipeline section lateral wall upper end of the ultrasonic water meter left and right sides, weld two probe sleeve pipes respectively, and link up with the pipeline section, ultrasonic transducer's probe passes the probe sleeve pipe, install in the inside of pipeline section, ultrasonic water meter's wire passes through the wire guide and is connected with ultrasonic transducer, be located the inside jack that is equipped with of the pipeline section of probe sleeve pipe vertical side, the stand inserts inside the jack, the up end of stand is.

Further, the probe sleeve includes: the probe sleeve comprises a probe sleeve body, an exhaust valve and an exhaust pipe, wherein the probe sleeve body is welded at the upper end of the side wall of the pipe section and communicated with the pipe section, a through hole matched with an ultrasonic transducer probe is formed in the top of the probe sleeve, and the exhaust pipe is arranged on the side wall of the left side of the probe sleeve.

Further, the exhaust pipe is of an L-shaped structure.

Further, the angle between the reflecting surface and the horizontal line is 45 degrees.

In one embodiment, the probe of the downstream nozzle in the pipe section transmits an ultrasonic signal to the probe of the upstream nozzle through the action of the reflecting surface, meanwhile, the probe of the upstream nozzle transmits an ultrasonic signal to the probe of the downstream nozzle through the action of the reflecting surface, a certain time difference is formed between the downstream ultrasonic signal and the upstream ultrasonic signal in the transmission process, and then the signals are finally transmitted to the ultrasonic water meter through a lead, when the indication of the ultrasonic water meter is abnormal, the emptying valve is opened, bubbles in the pipe section flow into the exhaust pipe along with water flow and are discharged outwards, and the water flow in the pipe section is kept stable.

Compared with the prior art, the technical scheme has the advantages that the ultrasonic water meter is guaranteed not to be interfered by bubbles in the pipeline when in use, the flow state of fluid in the pipeline is more stable, the structure is simple and reliable, the design is ingenious, the operation is convenient, the influence of the bubbles in the pipeline on signal transmission is greatly reduced, the measurement accuracy of the ultrasonic water meter is guaranteed, the cost is low, and the large-scale popularization and use are facilitated.

Drawings

Fig. 1 is a schematic structural diagram of an ultrasonic water meter according to the present invention;

fig. 2 is a partial cross-sectional view of a middle tube segment according to the present invention.

1. An ultrasonic water meter, 2, a fixing frame, 3, a wire guide hole, 4, a wire, 5, an ultrasonic transducer, 6, a pipe section, 7, a probe sleeve, 8, a jack, 9, an upright post, 10 and a reflecting surface,

71. probe sleeve body, 72, exhaust valve, 73, blast pipe.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:

it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve.

Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Example (b): referring to fig. 1-2, an ultrasonic water meter includes: an ultrasonic water meter 1, a fixed frame 2, a wire guide hole 3, a wire 4, an ultrasonic transducer 5, a pipe section 6, a probe sleeve 7, a jack 8, an upright post 9 and a reflecting surface 10,

in the vertical direction, the lower part of mount 2 and pipeline section 6 fixed connection, the upper portion of mount 2 can be dismantled with ultrasonic water meter 1 and be connected, wire guide 3 is seted up to ultrasonic water meter 1's side, be located the pipeline section 6 lateral wall upper end of the ultrasonic water meter 1 left and right sides, weld two probe sleeve pipes 7 respectively, and link up with pipeline section 6, probe of ultrasonic transducer 5 passes probe sleeve pipe 7, install in the inside of pipeline section 6, wire 4 of ultrasonic water meter 1 passes through wire guide 3 and is connected with ultrasonic transducer 5, be located the inside jack 8 that is equipped with of pipeline section 6 in the vertical direction of probe sleeve pipe 7, stand 9 inserts inside jack 8, the up end of stand 9 is equipped with plane of reflection 10.

Further, the probe sleeve 7 includes: the ultrasonic probe comprises a probe sleeve body 71, an exhaust valve 72 and an exhaust pipe 73, wherein the probe sleeve body 71 is welded at the upper end of the side wall of the pipe section 6 and is communicated with the pipe section 6, a through hole matched with the ultrasonic transducer 5 probe is formed in the top of the probe sleeve 7, and the exhaust pipe 73 is arranged on the left side wall of the probe sleeve 7.

Further, the exhaust pipe 73 has an L-shaped structure.

Further, the reflecting surface 10 forms an angle of 45 ° with the horizontal.

The working principle of the utility model is as follows: the probe at the mouth of a river in the pipeline section 6 passes through the effect of plane of reflection 10 and sends an ultrasonic signal to the probe at the mouth of a river in the opposite direction, and simultaneously, the probe at the mouth of a river in the opposite direction passes through the effect of plane of reflection 10 and sends an ultrasonic signal to the probe at the mouth of a river in the same direction, and the ultrasonic signal of following current and adverse current forms certain time difference in the transmission course, and then finally carries the signal to ultrasonic water meter 1 through wire 4, when ultrasonic water meter 1 readings is abnormal, open blowoff valve 72, the bubble in the pipeline section is along with rivers flow to the blast pipe 73 in, outwards discharge, make the inside rivers fluid of pipeline section 6 keep stable.

Claims

1. An ultrasonic water meter, comprising: an ultrasonic water meter (1), a fixing frame (2), a wire guide hole (3), a wire (4), an ultrasonic transducer (5), a pipe section (6), a probe sleeve (7), a jack (8), an upright post (9) and a reflecting surface (10),

in the vertical direction, the lower part and the pipeline section (6) fixed connection of mount (2), the upper portion and the ultrasonic water meter (1) of mount (2) can be dismantled and be connected, wire guide (3) are seted up to the side of ultrasonic water meter (1), be located pipeline section (6) lateral wall upper end of the ultrasonic water meter (1) left and right sides, weld two probe sleeve pipes (7) respectively, and link up with pipeline section (6), the probe of ultrasonic transducer (5) passes probe sleeve pipe (7), install in the inside of pipeline section (6), wire (4) of ultrasonic water meter (1) are connected with ultrasonic transducer (5) through wire guide (3), be located inside being equipped with jack (8) of pipeline section (6) of probe sleeve pipe (7) vertical side, inside stand (9) insert jack (8), the up end of stand (9) is equipped with plane of reflection (10).

2. An ultrasonic water meter as claimed in claim 1, wherein the probe sleeve (7) comprises: probe sleeve pipe body (71), blowoff valve (72) and blast pipe (73), probe sleeve pipe body (71) weld in the upper end of pipeline section (6) lateral wall to link up with pipeline section (6), the top of probe sleeve pipe (7) is equipped with the through-hole with ultrasonic transducer (5) probe phase-match, is equipped with blast pipe (73) on the left side lateral wall of probe sleeve pipe (7).

3. An ultrasonic water meter as claimed in claim 2, wherein the exhaust pipe (73) is of L-shaped configuration.

4. An ultrasonic water meter as claimed in claim 1, wherein the reflecting surface (10) is angled at 45 ° to the horizontal.