CN213632249U

CN213632249U - NB diaphragm type gas meter with no magnetism detects function

Info

Publication number: CN213632249U
Application number: CN202021872387.7U
Authority: CN
Inventors: 李诗华; 徐荣华; 任海军; 王文军; 毛青峰
Original assignee: Shanghai Zhenlan Instrument Technology Co ltd
Current assignee: ZENNER METERING TECHNOLOGY (SHANGHAI) Ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-07-06
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a NB diaphragm type gas table with no magnetism detects function, including the gas table main part, built-in communication module of gas table main part and no magnetism metering module. The utility model discloses, realize long-range checking meter through communication module, saved manpower and materials.

Description

NB diaphragm type gas meter with no magnetism detects function

Technical Field

The utility model relates to a gas table technical field specifically is a NB diaphragm type gas table with no magnetism detects function.

Background

In recent years, the technology of internet of things has been developed rapidly, and particularly, the technology of internet of things is widely applied to the fields of instruments and electronics. Due to the communication function, the gas meter cannot wirelessly upload data, and manual meter reading is carried out, so that waste of manpower and material resources is caused.

The prior gas meter mostly adopts a reed switch or a Hall element for counting and is easy to be interfered by an external magnetic field. The non-magnetic metering technology is that an inductor in a resonant circuit is arranged above a gear connected with a gas meter rotor to count the rotation advance of a rotary disk. One half of the turntable is made of metal with damping property, and the other half of the turntable is made of plastic without damping property. The inductance in the resonant circuit can complete the measurement of the rotation amount by detecting different damping coefficients when the impeller rotates.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a NB diaphragm type gas table with no magnetism detects function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the NB diaphragm type gas meter with the non-magnetic detection function comprises a gas meter main body, wherein a communication module and a non-magnetic metering module are arranged in the gas meter main body.

Preferably, the gas meter main body comprises a main control module, a display module, a key module, a power module, a clock module and a storage module, and the display module, the key module, the power module, the clock module, the storage module and the main control module are electrically connected.

Preferably, the nonmagnetic metering module is electrically connected with the main control module through an interface, the nonmagnetic metering module is fixed with the gas meter main body through a support frame, the nonmagnetic metering module comprises a dial rotor, a mechanical counter connecting gear and a nonmagnetic metering chip, the mechanical counter comprises eight rotating discs, the eight rotating discs represent eight digits, the first two rotating discs at the initial position are red, the subsequent six rotating discs are black, the dial rotor is positioned below the mechanical counter at the initial end, the nonmagnetic metering chip is positioned at the right side of the dial rotor at the initial end, the dial rotor is circular, the dial rotor is fixed on the gear connected with the gas meter rotor, the rotation of the dial rotor is directly collected by a circuit board and is subsequently calculated and converted into the gas consumption through the circuit board, the rotating discs of the mechanical counter are connected with the gas meter rotor through the gear to meter the gas consumption, the volume measured by the mechanical counter and the volume measured by the dial rotor are mutually contrasted to maintain electromechanical consistency, the dial rotor is divided into two equal parts by any diameter line, one part is covered by metal, the other part is made of plastic materials, the non-magnetic measuring chip comprises a resonant circuit, a comparator, an AD conversion circuit and a filter circuit, the non-magnetic measuring chip emits electromagnetic waves through the resonant circuit, the rotation of the dial is detected by utilizing different eddy currents formed by different materials of different areas of the dial rotor, an analog signal is converted into a digital signal through the subsequent comparator and the AD conversion circuit and is transmitted to the filter circuit, and the filter circuit optimizes a pulse signal and transmits the processed signal to the main control module through a serial port.

Preferably, the main control module adopts a 32-bit singlechip.

Preferably, the power module adopts a lithium battery.

Preferably, the display module adopts a liquid crystal display screen.

Preferably, the communication module is an NB communication module.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model realizes remote meter reading through the communication module, and saves manpower and material resources;

2. the utility model discloses, be difficult for receiving outside electromagnetic interference during the measurement.

Drawings

FIG. 1 is a block diagram of the present invention;

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

fig. 3 is the structural schematic diagram of the non-magnetic metering module of the present invention.

In the figure: 1. a display module; 2. a communication module; 3. a key module; 4. a mechanical counter; 5. a non-magnetic metering module; 6. there is no magnetic metering chip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 2, the present invention provides a technical solution: an NB diaphragm type gas meter with a non-magnetic detection function comprises a gas meter main body, wherein a communication module 2 and a non-magnetic metering module are arranged in the gas meter main body.

As shown in fig. 2, specifically, the gas meter main body includes a main control module, a display module 1, a key module 3, a power module, a clock module, and a storage module, and the display module, the key module, the power module, the clock module, the storage module, and the main control module are electrically connected.

As shown in fig. 3, specifically, the non-magnetic metering module 5 is electrically connected with the main control module through an interface, the non-magnetic metering module 5 is fixed with the gas meter main body through a support frame, the non-magnetic metering module 5 comprises a dial rotor, a mechanical counter 4, the mechanical counter 4 is connected with a gear, and a non-magnetic metering chip 6, the mechanical counter 4 has eight rotating discs, the eight rotating discs represent eight digits, wherein the first two rotating discs at the initial position are red, the subsequent six rotating discs are black, the dial rotor is positioned below the initial end mechanical counter 4, the non-magnetic metering chip 6 is positioned at the right side of the initial end dial rotor, the dial rotor is circular, the dial rotor is fixed on the gear connected with the gas meter rotor, the rotation of the dial rotor is directly collected by a circuit board, the subsequent rotation is converted into gas usage through the circuit board calculation, the rotating discs of the mechanical counter 4 are connected, the volume measured by the mechanical counter 4 and the volume measured by the dial rotor are mutually contrasted to maintain electromechanical consistency, the dial rotor is divided into two equal parts by any diameter line, one part is covered by metal, the other part is made of plastic materials, the non-magnetic measuring chip 6 comprises a resonant circuit, a comparator, an AD conversion circuit and a filter circuit, the non-magnetic measuring chip 6 emits electromagnetic waves through the resonant circuit, the rotation of the dial is detected by utilizing the difference of eddy currents formed by different regional materials of the dial rotor, an analog signal is converted into a digital signal through the subsequent comparator and the AD conversion circuit and is transmitted to the filter circuit, and the filter circuit optimizes a pulse signal and transmits the processed signal to the main control module through a serial port.

Specifically, the main control module adopts a 32-bit singlechip.

Specifically, the power module adopts a lithium battery.

Specifically, the display module 1 is a liquid crystal display.

Specifically, the communication module 2 is an NB communication module.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a NB diaphragm type gas table with no magnetism detects function, includes the gas table main part, its characterized in that: the gas meter comprises a gas meter main body, a communication module and a nonmagnetic metering module, wherein the gas meter main body is internally provided with the communication module and the nonmagnetic metering module, and comprises a main control module, a display module, a key module, a power module, a storage module, a gas meter base table, the display module, the key module, the power module, the clock module, the storage module and the main control module which are electrically connected, the nonmagnetic metering module and the main control module are electrically connected through an interface, the nonmagnetic metering module is fixed with the gas meter main body through a support frame, the nonmagnetic metering module comprises a dial rotor, a mechanical counter connecting gear and a nonmagnetic metering chip, the mechanical counter comprises eight rotating discs, the eight rotating discs represent eight digits, the first two rotating discs at an initial position are red, the subsequent six rotating discs are black, and the dial rotor is positioned below the mechanical counter at an initial, the non-magnetic metering chip is positioned on the right side of a dial rotor at the starting end, the dial rotor is circular, the dial rotor is fixed on a gear connected with a gas meter rotor, the rotation of the dial rotor is directly collected by a circuit board and is subsequently converted into the gas consumption through calculation of the circuit board, a rotary disc of the mechanical counter is connected with the gas meter rotor through the gear to meter the gas consumption, the volume metered by the mechanical counter and the volume metered by the dial rotor are mutually contrasted to keep electromechanical consistency, the dial rotor is divided into two equal parts by any diameter line, one part of the two parts is covered by metal, the other part is made of plastic materials, the non-magnetic metering chip comprises a resonance circuit, a comparator, an AD conversion circuit and a filter circuit, the non-magnetic metering chip emits electromagnetic waves through the resonance circuit, and the rotation of the dial is detected by utilizing the difference of eddy currents formed by different materials of different areas of the dial rotor, the analog signals are converted into digital signals through a follow-up comparator and an AD conversion circuit and then transmitted to a filter circuit, the filter circuit carries out optimization processing on the pulse signals and transmits the processed signals to a main control module through a serial port.

2. The NB diaphragm gas meter with a non-magnetic detection function as claimed in claim 1, wherein: the main control module adopts a 32-bit singlechip.

3. The NB diaphragm gas meter with a non-magnetic detection function as claimed in claim 2, wherein: the power module adopts a lithium battery.

4. The NB diaphragm gas meter with a non-magnetic detection function as claimed in claim 2, wherein: the display module adopts a liquid crystal display screen.

5. The NB diaphragm gas meter with a non-magnetic detection function as claimed in claim 1, wherein: the communication module adopts an NB communication module.