CN209978984U

CN209978984U - Double-display electronic water meter core

Info

Publication number: CN209978984U
Application number: CN201921157780.5U
Authority: CN
Inventors: 张永鑫; 李先艳; 高佩利
Original assignee: Shandong Jinquan Instrument Co Ltd
Current assignee: Shandong Jinquan Instrument Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-01-21
Anticipated expiration: 2029-07-23

Abstract

The utility model provides a two show electron water gauge core compares conventional water gauge core and has added the oscillography module and the oscillography display that are used for detecting whether ultrasonic generator sends out the signal of telecommunication and is modified to added and be used for correcting the phase modulation module of modification. The utility model provides a two show electron water meter core is provided with and is used for judging whether the signal of telecommunication that ultrasonic receiver sent is by the oscillography module and the oscillography display of artificial change, and water yield counting personnel reads two wave forms of oscillography module measurement through host computer or oscillography display and judges the signal of telecommunication that ultrasonic receiver sent, and when the wave form was artificial change, counting personnel passed through the phase modulation module is adjusted the signal of telecommunication of artificial change, shows through host computer or two of oscillography displays that the wave form is judged whether to adjust. To sum up the utility model provides a two show electron water gauge cores can help the counting personnel to judge whether the water gauge is done the trick, can correct the water gauge again through the phase modulation module after being done the trick.

Description

Double-display electronic water meter core

Technical Field

The utility model relates to a water gauge field especially relates to a two electron water gauge cores that show.

Background

The ultrasonic water meter sends out ultrasonic waves through the transducer, the ultrasonic waves change through the water velocity, the ultrasonic receiver receives the ultrasonic waves to generate an electric signal, the time difference between the sending of the ultrasonic waves and the receiving of the ultrasonic waves is determined by utilizing the TOF technology, the ultrasonic velocity in the water flow is calculated, and the water velocity is determined by comparing the ultrasonic velocity in the static water.

At present, some users can modify the water meter by connecting a device for changing the phase of an electric signal on a circuit for transmitting the electric signal to a meter core by an ultrasonic receiver of the ultrasonic water meter, the electric signal generated by the ultrasonic receiver or a transducer generates certain deviation relative to the original signal after passing through the device for changing the phase, so that the time difference of TDC measurement in the TOF technology is prolonged, the speed of the measured ultrasonic wave is relatively slowed, the speed of the measured water flow is correspondingly slowed, the users steal water by the mode, and a metering terminal or a metering staff is difficult to find.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, the utility model provides a double-display electronic water meter core.

The utility model provides a double-display electronic water meter core, which comprises an oscillography module and a measurement and control module, wherein,

the dual-display electronic water meter core further comprises a metering display, an oscillographic display and a phase modulation module, wherein the metering display is electrically connected with the measurement and control module, the oscillographic display is electrically connected with the oscillographic module, the measurement and control module is electrically connected with the phase modulation module, the phase modulation module is electrically connected with an ultrasonic receiver arranged on a water meter body through a filter capacitor, the oscillographic module comprises two electric signal input ends, one input end is electrically connected with the ultrasonic receiver, and the other input end is electrically connected with a circuit between the phase modulation module and the measurement and control module;

the oscillography module is communicated with the communication module.

Preferably, the measurement and control module includes the bus, electric connection has TDC, ALU, register, controller, display drive module, temperature measurement module and pulse transmitter on the bus, pulse transmitter electric connection sets up the supersonic generator on the water gauge table body, the TDC passes through analog circuit and connects the phase modulation module, display drive module electric connection the measurement display, temperature measurement module electric connection sets up the temperature sensor on the water gauge table body.

Preferably, the communication module can be a wifi module, and the wifi module is wirelessly communicated with the host.

Preferably, the phase modulation module is a programmable phase modulation module, phase modulation module electric connection the communication module, the host computer passes through the wifi module to phase modulation module transmission phase modulation instruction.

Preferably, the oscillographic display is provided with an electronic screen lock.

Compared with the prior art, the utility model provides a two electron water gauge cores that show has following beneficial effect:

the utility model provides a two show electron water meter core is provided with and is used for judging whether the signal of telecommunication that ultrasonic receiver sent is by the oscillography module and the oscillography display of artificial change, and water yield counting personnel reads two wave forms of oscillography module measurement through host computer or oscillography display and judges the signal of telecommunication that ultrasonic receiver sent, and when the wave form was artificial change, counting personnel passed through the phase modulation module is adjusted the signal of telecommunication of artificial change, shows through host computer or two of oscillography displays that the wave form is judged whether to adjust. To sum up the utility model provides a two show electronic water meter core

Can help the counting personnel to judge whether the water gauge is done the trick, can correct the water gauge again through the phase modulation module after being done the trick.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of a dual-display electronic water meter core provided by the present invention.

Reference numbers in the figures: 1. the device comprises a metering display, 2, an oscillographic display, 3, an oscillographic module, 4, a measurement and control module, 5, a phase modulation module, 6, an ultrasonic receiver, 7, an ultrasonic generator, 8, a temperature sensor, 9 and a communication module.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, in which fig. 1 is a schematic structural diagram of a dual-display electronic water meter core according to a preferred embodiment of the present invention.

Example 1

The utility model provides a double-display electronic water meter core, which comprises an oscillography module 3 and a measurement and control module 4, wherein,

the dual-display electronic water meter core further comprises a metering display 1, an oscillographic display 2 and a phase modulation module 5, and particularly, the measurement and control module 4 comprises a bus, wherein the bus is electrically connected with a TDC, an ALU, a register, a controller, a display driving module, a temperature measuring module and a pulse transmitter, the pulse transmitter is electrically connected with an ultrasonic generator 7 arranged on the water meter body, the ultrasonic generator 7 transmits ultrasonic waves with corresponding frequency according to the pulse frequency transmitted by the pulse transmitter, the pulse generator is electrically connected with the TDC, the TDC is connected with the phase modulation module 5 through an analog circuit, the display driving module is electrically connected with the metering display 1, the temperature measuring module is electrically connected with a temperature sensor 8 arranged on the water meter body, and the oscillographic display 2 is electrically connected with the phase modulation module 3, oscillography display 2 is provided with the electronic screen lock, and the password of electronic screen lock is kept by the counting personnel, that is to say oscillography display 2 can only be looked over by the counting personnel, phase modulation module 5 passes through filtering capacitor electric connection and sets up ultrasonic receiver 6 on the water gauge table body, oscillography module 3 contains two signal of telecommunication inputs, an input electric connection ultrasonic receiver 6, another input electric connection in phase modulation module 5 with observe and control on the circuit between the module 4. The TDC calculates the time of ultrasonic wave transmitted between the ultrasonic generator 7 and the ultrasonic receiver 6 according to the electric signal wave transmitted by the pulse generator and the electric signal wave transmitted by the ultrasonic receiver 6, the TDC transmits the calculated time to the register for registering through the bus, as the distance between the ultrasonic generator 7 and the ultrasonic receiver 6 is constant, the distance value is stored in the register in advance, the pulse generator simultaneously serves as a real-time timer, the controller performs real-time timing on the whole system through the pulse generator, the controller controls the ALU to call corresponding value from the register to calculate the water flow speed, and the ALU calculates the water consumption for a certain time by using the water flow speed and the time determined by the pulse generator; the ALU transmits the calculated water flow speed and the water consumption to the register for storage, the controller controls the display driving module to transfer the water flow speed and the water consumption obtained through measurement and calculation from the register, and the display driving module displays the water flow speed and the water consumption through the metering display 1.

Oscillographic module 3 can measure observe and control module 4 with the signal of telecommunication wave form on the wiring between the ultrasonic receiver 6, oscillographic module 3 will measure the wave form warp oscillographic display 2 shows, and is specific, should accord with between the two wave forms that oscillographic module 3 measured filter capacitor with the phase difference of 5 parameters of phase modulation module, in case the circuit is modified by the people, actual phase difference has obvious difference with due phase difference to judge whether the water gauge is modified.

3 electric connection communication module 9 of oscillography module, the concrete implementation in-process, communication module 9 can be the wifi module, the wireless intercommunication host computer of wifi module, oscillography module 3 can change the warp with the waveform of measuring wifi module transmits for the host computer, phase modulation module 5 is programmable phase modulation module 5, and is concrete, phase modulation module 5 is the tuning return circuit of compriseing varactor and inductance coils, varactor's varactor is changed by the motion of program control motor, 5 electric connection of phase modulation module 9, the host computer passes through the wifi module to phase modulation module 5 transmits the phase modulation instruction, and the water gauge is revised, adjusts through the phase modulation instruction phase modulation module 5, makes the phase difference that oscillography module 3 measuring phase difference accords with should to calibrate the water gauge.

The temperature measurement module that measurement and control module 4 contained the cooperation of temperature measurement module the temperature of the rivers that flow in the water gauge is measured to the temperature sensor, temperature measurement module with the temperature value real-time storage of measuring in the register, include the temperature compensation module that designs according to the aquatic transmission speed of ultrasonic wave at different temperatures in the ALU, the controller control the ALU is followed the temperature of registering in real time is transferred in the register, and what make temperature compensation module uses this temperature as the condition work, thereby makes the water velocity that the ALU calculated is more accurate.

Example two

The difference between the second embodiment and the first embodiment is that the varactor in the phasing module 5 is changed by manual movement, the phasing module 5 is placed in a locked box, the key of which is held by the counter. The other parts of the second embodiment are the same as those of the first embodiment.

The utility model provides a two principle that show electron water meter core as follows:

the TDC calculates the time of ultrasonic wave transmitted between the ultrasonic generator 7 and the ultrasonic receiver 6 according to the electric signal wave transmitted by the pulse generator and the electric signal wave transmitted by the ultrasonic receiver 6, the TDC transmits the calculated time to the register for registering through the bus, as the distance between the ultrasonic generator 7 and the ultrasonic receiver 6 is constant, the distance value is stored in the register in advance, the pulse generator simultaneously serves as a real-time timer, the controller performs real-time timing on the whole system through the pulse generator, the controller controls the ALU to call corresponding value from the register to calculate the water flow speed, and the ALU calculates the water consumption for a certain time by using the water flow speed and the time determined by the pulse generator; the ALU transmits the calculated water flow speed and the water consumption to the register for storage, the controller controls the display driving module to transfer the water flow speed and the water consumption obtained through measurement and calculation from the register, and the display driving module displays the water flow speed and the water consumption through the metering display 1. Oscillographic module 3 can measure observe and control module 4 with the signal of telecommunication wave form on the wiring between the ultrasonic receiver 6, oscillographic module 3 will measure the wave form warp oscillographic display 2 shows, and is specific, should accord with between the two wave forms that oscillographic module 3 measured filter capacitor with the phase difference of 5 parameters of phase modulation module, in case the circuit is modified by the people, actual phase difference has obvious difference with due phase difference to judge whether the water gauge is modified. And adjusting the phase modulation module 5 to enable the phase difference measured by the oscillography module 3 to accord with the corresponding phase difference, thereby calibrating the water meter.

The utility model provides a two show electron water meter core is provided with and is used for judging whether the signal of telecommunication that ultrasonic receiver 6 sent is by artificial oscillography module 3 and the oscillography display 2 that changes, and the water yield counting personnel reads the signal of telecommunication that 3 measuring two wave forms of oscillography modules judge ultrasonic receiver 6 and send through host computer or oscillography display 2, and when the wave form was artificial to be changed, the counting personnel passed through the phase modulation module 5 is adjusted the signal of telecommunication of artificial change, shows through host computer or oscillography display 2 two wave forms and judges whether to adjust. To sum up the utility model provides a two show electron water gauge cores can help the counting personnel to judge whether the water gauge is done the trick, can correct the water gauge again through phase modulation module 5 after being done the trick.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A dual-display electronic water meter core is characterized by comprising an oscillography module (3) and a measurement and control module (4),

the dual-display electronic water meter core further comprises a metering display (1), an oscillographic display (2) and a phase modulation module (5), wherein the metering display (1) is electrically connected with the measurement and control module (4), the oscillographic display (2) is electrically connected with the oscillographic module (3), the measurement and control module (4) is electrically connected with the phase modulation module (5), the phase modulation module (5) is electrically connected with an ultrasonic receiver (6) arranged on the water meter body through a filter capacitor, the oscillographic module (3) comprises two electric signal input ends, one input end is electrically connected with the ultrasonic receiver (6), and the other input end is electrically connected with a circuit between the phase modulation module (5) and the measurement and control module (4);

the oscillography module (3) is communicated with the communication module (9).

2. The dual-display electronic water meter core according to claim 1, wherein the measurement and control module (4) comprises a bus, the bus is electrically connected with a TDC, an ALU, a register, a controller, a display driving module, a temperature measuring module and a pulse transmitter, the pulse transmitter is electrically connected with an ultrasonic generator (7) arranged on the water meter body, the TDC is connected with the phase modulating module (5) through an analog circuit, the display driving module is electrically connected with the metering display (1), and the temperature measuring module is electrically connected with a temperature sensor (8) arranged on the water meter body.

3. The dual-display electronic water meter core according to claim 1, wherein the communication module (9) can be a wifi module, and the wifi module is wirelessly connected with a host.

4. The dual-display electronic water meter core according to claim 3, wherein the phase modulation module (5) is a programmable phase modulation module, the phase modulation module (5) is electrically connected to the communication module (9), and the host transmits a phase modulation instruction to the phase modulation module (5) through the wifi module.

5. Dual-display electronic water meter core according to claim 1, characterised in that the oscillometric display (2) is provided with an electronic screen lock.