CN-224231036-U - Ultrasonic water meter with mechanical counter

CN224231036UCN 224231036 UCN224231036 UCN 224231036UCN-224231036-U

Abstract

The utility model relates to an ultrasonic water meter with a mechanical counter, which comprises a measuring pipeline and a meter head arranged on the measuring pipeline, wherein the meter head comprises a meter shell, an electromagnetic counter and a signal processor, wherein the electromagnetic counter and the signal processor are arranged in the meter shell, an ultrasonic transducer is in circuit connection with the input end of the signal processor, the output end of the signal processor is in circuit connection with the electromagnetic counter, the meter shell comprises a lower shell and a meter cover, a waterproof baffle is arranged in the meter cover, and the inner cavity of the meter cover is isolated from the inner cavity of the lower shell through the waterproof baffle. When the electronic system is in fault, the electromagnetic counter can still independently provide accumulated flow data before the fault, and the single storage failure risk is avoided, so that the problem of data island of the pure electronic water meter is broken through, and double guarantee is provided for water management.

Inventors

ZHANG JINGDE
SUN XUEHONG
LI XINSHI
WANG YANQI
QI XIANGYUN

Assignees

力创科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250521

Claims (10)

1. The utility model provides an ultrasonic water meter with mechanical counter, includes measurement pipeline and installs the gauge outfit on measurement pipeline, installs ultrasonic transducer in measurement pipeline, its characterized in that: the meter head comprises a meter shell, an electromagnetic counter and a signal processor, wherein the electromagnetic counter and the signal processor are arranged in the meter shell, the ultrasonic transducer is in circuit connection with the input end of the signal processor, and the output end of the signal processor is in circuit connection with the electromagnetic counter; the watch case comprises a lower shell and a watch cover, wherein the watch cover is buckled on the lower shell and is fixed through bolts, a waterproof baffle is arranged in the watch cover, an inner cavity of the watch cover is isolated from an inner cavity of the lower shell through the waterproof baffle, a glass observation window is arranged on the top surface of the watch cover, a digital wheel of the electromagnetic counter is opposite to the glass observation window, and the lower end of the electromagnetic counter is fixed with the waterproof baffle.
2. The ultrasonic water meter with the mechanical counter according to claim 1, wherein a connecting lug plate is arranged at the lower end of the electromagnetic counter and is fixed with the waterproof baffle plate through a screw.
3. The ultrasonic water meter with the mechanical counter according to claim 1, wherein a plurality of first mounting grooves are formed in the bottom surface of the waterproof partition plate, wire outlet holes are formed in the first mounting grooves, the first transfer circuit board is mounted in the first mounting grooves and encapsulated through glue, the ultrasonic transducer is connected with the first transfer circuit board through a wire, and the first transfer circuit board is connected with the signal processor through a wire.
4. An ultrasonic water meter with a mechanical counter according to claim 3, wherein the joint circumference of the waterproof baffle and the meter cover is encapsulated by glue.
5. The ultrasonic water meter with the mechanical counter according to claim 3, wherein the first main circuit board and the second main circuit board are fixedly arranged in the meter cover, the first main circuit board, the second main circuit board and the waterproof partition board are sequentially arranged from top to bottom, and the first main circuit board, the second main circuit board and the waterproof partition board are arranged in parallel.
6. The ultrasonic water meter with the mechanical counter according to claim 5, wherein the first main circuit board and the second main circuit board are respectively provided with a through hole for the electromagnetic counter to pass through.
7. The ultrasonic water meter with the mechanical counter of claim 5, wherein a liquid crystal display is mounted on the first main circuit board, the liquid crystal display is opposite to a glass viewing window on the meter cover, and the signal processor is mounted on the second main circuit board.
8. The ultrasonic water meter with the mechanical counter according to claim 5, wherein a support column is arranged on the bottom surface of the lower shell, the lower end of the support column is connected with a flange plate, the lower shell is connected with the measuring pipeline through the flange plate, a central hole is arranged on the support column, and a wire for connecting the ultrasonic transducer and the first transfer circuit board penetrates through the central hole.
9. The ultrasonic water meter with the mechanical counter according to claim 8, wherein the bottom surface of the lower shell is provided with two storage grooves for accommodating the storage battery, the two storage grooves are respectively positioned on two sides of the support column, and the storage battery is in circuit connection with the second main circuit board.
10. The ultrasonic water meter with the mechanical counter according to claim 5, wherein a second mounting groove is formed in the bottom surface of the lower shell, an outlet hole is formed in the second mounting groove, a second switching circuit board is mounted in the second mounting groove and encapsulated through glue, the second main circuit board is connected with the second switching circuit board through a wire, and an output wire connected to the second switching circuit board passes through the outlet hole.

Description

Ultrasonic water meter with mechanical counter Technical Field The utility model relates to an ultrasonic water meter, in particular to an ultrasonic water meter with a mechanical counter. Background Along with the fine development of smart city construction and water resource management, the ultrasonic water meter gradually becomes an alternative scheme of the traditional mechanical water meter due to the advantages of high precision, no mechanical abrasion, wide measuring range ratio and the like. The existing ultrasonic water meter generally adopts a pure electronic metering scheme, the flow rate of water is detected and calculated through an ultrasonic sensor, and data are displayed in real time through an electronic display screen and stored in a built-in memory. However, such fully electronic designs have significant technical drawbacks in that when the water meter fails to operate properly due to electronic component failure (e.g., circuit board failure, power interruption, sensor failure) or external disturbances (e.g., electromagnetic interference), the electronic display and storage system may be completely down, resulting in loss of historical flow data before failure occurs. The defect not only affects the tracing of the abnormal water consumption condition (such as water leakage monitoring and water theft evidence obtaining) of the user, but also causes the loss of key data in metering disputes, and the operation efficiency and the economic benefit of the water supply management party are negatively affected. Therefore, in view of the problem of data backup, a solution with high reliability is needed, and data security before and after failure is realized through innovative structural design while the high-precision advantage of the ultrasonic water meter is maintained. The system and the method provide an independent mechanical counter integrated in an electronic metering system of the ultrasonic water meter, synchronously record flow data to the mechanical counter when the electronic system works normally, and can still independently provide accumulated flow data before the failure when the electronic system fails, thereby breaking through the data island problem of the pure electronic water meter and providing dual guarantee for water management. Disclosure of Invention The utility model provides an ultrasonic water meter with a mechanical counter aiming at the defects of the prior art. The utility model provides an ultrasonic water meter with a mechanical counter, which comprises a measuring pipeline and a meter head arranged on the measuring pipeline, wherein an ultrasonic transducer is arranged in the measuring pipeline, the meter head comprises a meter shell, an electromagnetic counter and a signal processor, the electromagnetic counter and the signal processor are arranged in the meter shell, the ultrasonic transducer is in circuit connection with the input end of the signal processor, the output end of the signal processor is in circuit connection with the electromagnetic counter, the electromagnetic counter adopts the existing structure, and the electromagnetic counter comprises a signal emitting part, a relay and a character wheel type counter. The ultrasonic transducer calculates the flow velocity and the accumulated flow of water and transmits signals to the signal processor, the signal processor sends out instructions to enable the relay to work and enable the digital wheel of the digital wheel type counter to rotate for counting through mechanical transmission, and the digital wheel type counter can visually display the accumulated water consumption. The watch case comprises a lower shell and a watch cover, wherein the watch cover is buckled on the lower shell and is fixed through bolts, a waterproof baffle is arranged in the watch cover, an inner cavity of the watch cover is isolated from an inner cavity of the lower shell through the waterproof baffle, a glass observation window is arranged on the top surface of the watch cover, a digital wheel of the electromagnetic counter is opposite to the glass observation window, and the lower end of the electromagnetic counter is fixed with the waterproof baffle. Preferably, a connecting lug plate is arranged at the lower end of the electromagnetic counter and is fixed with the waterproof baffle plate through a screw. Preferably, a plurality of first mounting grooves are formed in the bottom surface of the waterproof partition plate, wire outlet holes are formed in the first mounting grooves, the first switching circuit board is mounted in the first mounting grooves and is encapsulated through glue, the ultrasonic transducer is connected with the first switching circuit board through a wire, and the first switching circuit board is connected with the signal processor through a wire. The wire that connects signal processor and ultrasonic transducer switches through first switching circuit board, because first switching circuit board embed