CN-121977662-A - Transducer mounting structure, water flow metering method and ultrasonic intelligent water meter

CN121977662ACN 121977662 ACN121977662 ACN 121977662ACN-121977662-A

Abstract

The invention provides a transducer mounting structure, a water flow metering method and an ultrasonic intelligent water meter, which comprises a water meter base, a transducer mounting assembly and a transducer, wherein the water meter base comprises a water inlet port, a water outlet port and a main body part, the main body part is provided with a pipe groove section communicated with the water inlet port and the water outlet port and used for circulating water, one side of the pipe groove section is provided with a mounting port, the periphery of the mounting port is provided with a connecting part, the transducer mounting assembly comprises a fixing part, a transducer mounting hole and a detecting part, the transducer mounting assembly is integrally and embedded in the mounting port, the detecting part is a long hole formed at the bottom of the transducer mounting assembly, the long hole is parallel to the pipe groove section, a circular seam is formed between the outer side of the detecting part and the inner wall of the pipe groove section, and one side of the detecting part, which is close to the main body of the transducer mounting assembly, is provided with a circulating groove or a circulating hole so that the inner channel and the outer channel are formed between the inner part and the outer part of the long hole. The invention has the advantages of convenient disassembly and strong anti-interference capability.

Inventors

ZHANG ZE
SONG ZHANGLING
MA XIAOFANG
ZHANG HUANCONG
MOU YING

Assignees

新疆昌阳智慧物联科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260228

Claims (9)

1. The transducer mounting structure is characterized by comprising a water meter base, a transducer mounting assembly and a transducer; the water meter base comprises a water inlet interface, a water outlet interface and a main body part, wherein the main body part is provided with a pipe groove section communicated with the water inlet interface and the water outlet interface and used for circulating water, one side of the pipe groove section is provided with a mounting opening, and the periphery of the mounting opening is provided with a connecting part; The transducer mounting assembly comprises a fixing part, a transducer mounting hole and a detection part, wherein the transducer mounting assembly is integrally and embedded in the mounting hole, and the fixing part is used for being matched with the connecting part to fix the transducer mounting assembly; The detection part is a long hole formed at the bottom of the transducer mounting assembly, the long hole is parallel to the pipe groove section, a circular seam is formed between the outer side of the detection part and the inner wall of the pipe groove section, and a circulation groove or a circulation hole is formed at one side of the detection part, which is close to the transducer mounting assembly main body, so that an inner channel and an outer channel are formed inside and outside the long hole; The transducer mounting hole is arranged in the main body of the transducer mounting assembly and is perpendicular to the axial direction of the long hole, the transducer is arranged in the transducer mounting hole and extends to the wall surface of the long hole, and the long hole is provided with a reflecting surface corresponding to the transducer mounting hole.
2. The transducer mounting structure of claim 1, wherein the transducer mounting assembly is of unitary construction, and a seal ring is disposed around the transducer mounting assembly corresponding to the mounting opening.
3. The transducer mounting structure of claim 1, wherein the outer side of the transducer mounting hole extends to the top end face of the transducer mounting assembly and is of an open structure, and the inner end of the transducer mounting hole is provided with a step surface and a sealing ring for mounting the transducer.
4. The transducer mounting structure of claim 1 wherein the reflective surface is disposed at the inlet end and the outlet end of the slot, the reflective surface having an angle of inclination of between 40 ° and 50 °.
5. The transducer mounting structure according to claim 1, wherein the cross-sectional shape of the flow-through groove is circular arc.
6. The transducer mounting structure according to claim 1, wherein the flow holes are parallel to the elongated holes, and the flow holes are arranged in an arc shape.
7. A water flow metering method is characterized in that based on the transducer mounting structure as claimed in any one of claims 1 to 6, the method is implemented by the following steps: the transducer arranged on the upstream side is a first transducer, the transducer arranged on the downstream side is a second transducer, the reflecting surface arranged on the upstream side is a first reflecting surface, and the reflecting surface arranged on the downstream side is a second reflecting surface; The ultrasonic signal emitted by the first transducer is received by the second transducer after being reflected by the first reflecting surface and the second reflecting surface, and the processor of the water meter collects the signal and calculates the propagation time; The ultrasonic signal emitted by the second transducer is received by the first transducer after being reflected by the second reflecting surface and the first reflecting surface, and the processor of the water meter collects the signal and calculates the propagation time; the processor further calculates the water flow rate and the water flow rate according to the calculated difference between the two propagation times.
8. An ultrasonic intelligent water meter is characterized by comprising the transducer mounting structure, a processor module and a memory according to any one of claims 1-6; the processor module is connected with the transducer and used for detecting the water flow and storing the data in the memory to form a historical data set with a time tag; the processor module counts the average flow of the data in the historical data set according to a set time interval; Taking the new installation time or the new maintenance time as a node, and counting the average flow in one week to one month to serve as a reference control value; When the difference value of the counted average flow value and the reference control value exceeds the set value, the abnormity of the reflecting surface or the transducer is judged, and an overhaul early warning is sent out.
9. The intelligent ultrasonic water meter according to claim 8, wherein the average flow rate is counted by performing a weighted average treatment or a removal treatment on legal holidays, summer and summer holidays and weekends.

Description

Transducer mounting structure, water flow metering method and ultrasonic intelligent water meter Technical Field The invention relates to the technical field of ultrasonic water meters, in particular to a transducer mounting structure, a water flow metering method and an ultrasonic intelligent water meter. Background An ultrasonic water meter is an instrument which utilizes an ultrasonic transducer to transmit and receive ultrasonic signals and utilizes the change of the propagation time of the ultrasonic signals in water flow to accurately calculate the flow velocity and flow rate of the water. The ultrasonic water meter has achieved great popularization and application results at present, and in the practical application process, a new technical problem is found, and further solution is urgently needed. The first problem is that for the maintenance and repair of the ultrasonic water meter, since the volume of the ultrasonic water meter is limited, and the propagation path length of the ultrasonic wave determines the detection precision, the existing detection pipeline of the water meter will generally set a certain reflection structure for the propagation path of the ultrasonic wave to prolong the propagation path, but the reflection surfaces are immersed in the water pipe for a long time to accumulate impurities easily, and after a certain time, maintenance and cleaning are needed to ensure the reflection performance, the operation needs to disassemble the whole ultrasonic water meter, and then install the ultrasonic water meter after cleaning, so that the pipeline at the two ends will be worn after a plurality of times of repetition, the leak tightness will be lost, the service lives of the pipeline and the ultrasonic water meter will be affected, and improvement is needed. The second problem is that the installation position of the ultrasonic water meter has certain requirements, and the installation position is usually required to be a straight pipe section so as to ensure the stability of water flow and further ensure the detection accuracy, but the installation environments of various non-ideal states in actual scenes are more, the detection accuracy is affected to a certain extent by disturbance generated by bubbles and suspended matters in the water flow, and the solution of the problem is also urgent. In view of the above, the above two problems are critical issues that are currently in urgent need of solution by those skilled in the art. Disclosure of Invention The invention aims at overcoming the defects of the prior art, and provides a transducer mounting structure, a water flow metering method and an ultrasonic intelligent water meter, which are convenient to detach and high in anti-interference capability. In order to achieve the purpose, the invention adopts the technical scheme that the transducer mounting structure comprises a water meter base, a transducer mounting assembly and a transducer; the water meter base comprises a water inlet interface, a water outlet interface and a main body part, wherein the main body part is provided with a pipe groove section communicated with the water inlet interface and the water outlet interface and used for circulating water, one side of the pipe groove section is provided with a mounting opening, and the periphery of the mounting opening is provided with a connecting part; The transducer mounting assembly comprises a fixing part, a transducer mounting hole and a detection part, wherein the transducer mounting assembly is integrally and embedded in the mounting hole, and the fixing part is used for being matched with the connecting part to fix the transducer mounting assembly; The detection part is a long hole formed at the bottom of the transducer mounting assembly, the long hole is parallel to the pipe groove section, a circular seam is formed between the outer side of the detection part and the inner wall of the pipe groove section, and a circulation groove or a circulation hole is formed at one side of the detection part, which is close to the transducer mounting assembly main body, so that an inner channel and an outer channel are formed inside and outside the long hole; The transducer mounting hole is arranged in the main body of the transducer mounting assembly and is perpendicular to the axial direction of the long hole, the transducer is arranged in the transducer mounting hole and extends to the wall surface of the long hole, and the long hole is provided with a reflecting surface corresponding to the transducer mounting hole. Preferably, the transducer mounting assembly is of an integrated structure, and a sealing ring is arranged around the transducer mounting assembly corresponding to the mounting opening. Preferably, the outer side of the transducer mounting hole extends to the top end face of the transducer mounting assembly and is of an open structure, and the inner end of the transducer mounting hole is provided with a step surface an