Diaphragm gas meter

Overview

The diaphragm gas meter is a gas volume meter that measures using a flexible thin-walled measurement chamber. The diaphragm gas meter models produced by our company include G1.6, G2.5, G4, G6, G10, G16, G25, and G40. Among them, the G1.6, G2.5, and G4 membrane gas meters are suitable for household use and are used for the cumulative measurement of the flow of natural gas, liquefied gas, city pipeline gas, and other flammable gases with a pressure of 0.5 kPa to 10 kPa. G6, G10, G16, G25, G40 membrane gas meters are suitable for factories, restaurants, and collective households. They are used for the cumulative measurement of natural gas, liquefied gas, city pipeline gas, and other combustible gases with pressures of 0.5kPa to 20kPa.

The technical specifications of the diaphragm gas meter of our company are in line with and better than the requirements specified in GB/T6968-2011 "Film Gas Meter".

Function and features

● Accurate measurement: A number of technologies are used to ensure measurement accuracy, such as angle component positioning technology, rotary volume control measurement technology, film depth detection and classification technology, movement error detection and curve adjustment fine-tuning technology, etc. In the flow range of 0.1qmax ≤ q ≤ qmax, the basic error limit is controlled within ±1.0%, which is much higher than the national standard basic error limit within ±1.5% (see GB/T 6968-2011 “Film Gas” Table) is at the leading level in the industry.

● Low pressure loss: The flexible membrane is used to form the measuring chamber, and the membrane is switched freely during one cycle of reciprocating motion, reducing pressure loss and running noise.

● Good airtightness: adopts joint riveting technology, resistance welding technology, counter magnetic drive technology and seal sealing technology to fully match the shell and the movement, ensuring a good airtightness of the gas meter.

● Good durability: The use of high-quality film, durability up to 5000h or more.

● Long service life: The service life is more than 10 years.

● anti-backflow device: with anti-joint reversed, anti-gas flow in reverse, anti-negative pressure mixed function.

Technical indicators

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IC card smart gas meter

Overview

The IC card smart gas meter is based on the IC card as the media, the gas sales management system as the platform, and based on the volumetric mechanical measurement technology, the electronic integration of electronic measurement technology, electromechanical conversion technology, valve control technology, and information security management technology is realized. Metering, valve control, pre-charging and management of smart gas meters. The IC card smart gas meter models produced by our company include CG-L-G1.6, CG-L-G2.5, CG-L-G4, CG-L-G6, CG-L-G10, CG-L-G16 CG-L-G25, CG-L-G40.

The technical indicators of the IC card smart gas meter meet and exceed the requirements specified in the "GB/T6968-2011 Membrane Gas Meter".

Function and features

● Accurate measurement: Our company has a full set of core technologies of mechanical measurement, electromechanical conversion and electronic measurement, which ensures the accuracy of IC card smart gas meter.

● Accurate mechanical measurement: adopting technologies (such as angle component positioning technology, rotary volume control measurement technology, film depth detection and classification technology, movement error detection and curve adjustment fine-tuning technology), so that our company's gas meter is 0.1qmax ≤ q ≤ qmax Within the flow range, the basic error limit is controlled within ±1.0%, which is much higher than the national standard error limit within ±1.5% (see GB/T6968-2011 “Film Gas Meter”), which is at the leading level in the industry. .

● Accurate electromechanical conversion: Reed-separation sampling technology and anti-magnetic technology are adopted to ensure the accuracy of electromechanical conversion. Each million pulse signal error is not higher than one pulse signal.

● Accurate electronic measurement: IC card intelligent gas meter technology is used to ensure that the electronic measurement and mechanical measurement are completely consistent.

●Reliable valve control: Electromechanical valve for gas meter with two-way non-blocking gear transmission, low switching valve current, making the maximum working current of IC card intelligent gas meter less than 50mA, better than national standard GB/T6968-2011 "Film gas The requirements for the maximum working current of 500mA for the IC card membrane gas meter specified in the table are as follows: the valve closing time is less than 1 second, and the various parameters of the valve are completely matched with the parameters of the chip and the control circuit.

● High degree of information security: Advanced encryption algorithms are used to encrypt 128-bit gas information using group keys, and data is scientifically and organically combined using security protocols to effectively prevent illegal information theft and malicious tampering. The IC card, IC card smart gas meter and system data exchange are reliable.

● Good airtightness: adopts joint riveting technology, resistance welding technology, counter magnetic drive technology and seal sealing technology to fully match the shell and the movement, ensuring a good airtightness of the gas meter.

●Protection performance is good: The card slot and the circuit board are sealed in separate boxes to ensure that the circuit board is completely sealed in the cavity after installation, and the IP68 protection level is achieved. The circuit board is connected with the card slot through the data cable. The card slot guarantees relative sealing and meets the requirements of IP65 protection level, which is much higher than the national standard IP53 protection level, and meets the requirements of users' three defenses (moisture proof, mildew resistance, salt spray resistance).

● High reliability: The MTBF of the gas meter is> 5000h, which is much higher than the 2000h requirement of the GB/T6968-2011 “Film Gas Meter”.

● Long service life: The service life is more than 10 years.

● Extensibility and compatibility of the management system: The gas sales management system is compatible with various gas sales management systems.

● Anti-death table function: When the mechanical measurement does not count for a long time, the IC card intelligent gas meter can automatically close the valve.

● Over-current protection function: When the gas flow exceeds the specified flow rate, the IC card smart gas meter can automatically close the valve.

● High voltage protection function: When the power supply voltage is higher than the specified value, the IC card smart gas meter will automatically close the valve.

● Low-voltage protection function: When the power supply voltage is lower than the specified value, the IC card intelligent gas meter can automatically close the valve

Technical indicators

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Remote control smart gas meter (remote control smart IC card gas meter)

Overview

The remote control smart gas meter is based on the mechanical metering technology, electronic measurement technology, electromechanical conversion technology, valve control technology, data processing technology and combination technology of IC card smart gas meter, and realizes electronic metering, remote valve control, and remote communication technology. An intelligent gas flow meter for remote pre-charging and management. The remote control smart gas meter models produced by our company are WL-G1.6, WL-G2.5, WL-G4, suitable for civil use, natural gas, liquefied gas, city pipeline gas, etc. with a pressure range of 0.5 kPa to 10 kPa. The cumulative flow of gas is measured.

Function and features：

● Accurate measurement: Our company has a full set of core technologies of mechanical strength, electromechanical conversion and electronic measurement, which ensures the accuracy of the remote control smart gas meter.

●Mechanical measurement accuracy: Adopt multiple technologies (such as angle component positioning technology, rotary volume control measurement technology, film depth detection and classification technology, movement error detection and curve adjustment fine-tuning technology), so that our company's gas meter is 0.1qmax ≤ q In the flow range of ≤ qmax, the basic error limit is controlled within ±1.0%, which is much higher than the requirement that the national standard basic error limit is controlled within ±1.5% (see GB/T 6968-2011 “Film Gas Meter”) in the industry. Leading level.

● Accurate electromechanical conversion: Reed-separation sampling technology and anti-magnetic technology are adopted to ensure the accuracy of electromechanical conversion. Each million pulse signal error is not higher than one pulse signal.

● Accurate electronic measurement: IC card smart gas meter patented technology is used to ensure that the electronic measurement and mechanical measurement are completely consistent.

●Valid valve control: The gas meter special electromechanical valve adopts bidirectional non-blocking gear transmission, the low current of the switching valve makes the maximum operating current of the remote control intelligent gas meter less than 50mA, which is better than the national standard GB/T6968-2011 "Film gas The requirements for the maximum working current of 500mA for the IC card membrane gas meter specified in the table are as follows; the valve closing time is less than 1 second, and the various parameters of the valve are completely matched with the parameters of the chip and the control circuit.

● High degree of information security: Advanced encryption algorithms are used to encrypt 128-bit gas information using group keys, and data is scientifically and organically combined using security protocols to effectively prevent illegal information theft and malicious tampering. Ensures reliable system data exchange.

● Good airtightness: adopts joint riveting technology, resistance welding technology, counter magnetic drive technology and seal sealing technology to fully match the shell and the movement, ensuring a good airtightness of the gas meter.

●Protection performance is good: The card slot and the circuit board are sealed in separate boxes to ensure that the circuit board is completely sealed in the cavity after installation, and the IP68 protection level is achieved, and the circuit board is connected with the card slot through the data line. The card slot guarantees relative sealing and meets the requirements of IP65 protection level, far higher than the national standard IP53 protection level, and meets users' requirements of three preventions (moisture-proof, mold-proof and salt-fog-proof).

● High reliability: The MTBF of the gas meter is> 5000h, which is much higher than the 2000h requirement of the GB/T6968-2011 “Film Gas Meter”.

● Long service life: The service life is more than 10 years.

● Remote meter reading: The use of wireless communication data transmission, communication distance, no household meter reading, intelligent watch, read the meter at any time, pay fees, save manpower.

● Remote prepaid management: The use of wireless communication data transmission, combined with prepaid management functions, and the use of advanced security encryption algorithm to ensure the safety and reliability of the data, to achieve over-the-counter, recharge the information in real time and reliable recharge to the table, improve the flexibility of the charging method .

● Remote price adjustment: A remote price adjustment function is implemented to facilitate the unified management of gas companies.

● Remote on-off valve: According to the needs of gas companies, users can realize remote on-off valve control.

● Remote real-time monitoring: remote real-time monitoring of the running status of the table is conducive to the management of the gas company.

● Dual Control: Combines the remote-controlled smart gas meter and the IC card smart gas meter to achieve dual control of remote control and IC card control. The function of the IC card can be enabled in the event of a wireless communication device failure, ensuring that Use gas in emergency situations to protect the interests of users.

Technical indicators

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Internet of Things Smart Gas Meter

Overview

The IoT smart gas meter is a smart gas meter that uses the terminal smart gas meter as a sensor and the remote control smart gas meter as an information transmission method to manage the network through the Internet.

Function and features

● Accurate measurement: Our company has a full set of core technologies of mechanical measurement, electromechanical conversion and electronic measurement, which ensures the accuracy of the Internet of things smart gas meter.

●Mechanical measurement accuracy: Adopt multiple technologies (such as angle component positioning technology, rotary volume control measurement technology, film depth detection and classification technology, movement error detection and curve adjustment fine-tuning technology), so that my company's gas meter is at 0.1 qmax ≤ q Within the flow range of ≤ qmax, the basic error limit is controlled within ±1.0%, which is much higher than the requirement that the national standard basic error limit is controlled within ±1.5% (see GB/T 6968-2011 "Film Gas Meter"), which is in the industry Leading level.

● Accurate electromechanical conversion: Reed-separation sampling technology and anti-magnetic technology are adopted to ensure the accuracy of electromechanical conversion. Each million pulse signal error is not higher than one pulse signal.

● Accurate electronic measurement: IC card smart gas meter patented technology is used to ensure that the electronic measurement and mechanical measurement are completely consistent.

●Valid valve control: The gas meter special electromechanical valve adopts bidirectional non-blocking gear transmission, the low current of the switching valve makes the maximum operating current of the remote control intelligent gas meter less than 50mA, which is better than the national standard GB/T6968-2011 "Film gas The requirements for the maximum working current of 500mA for the IC card membrane gas meter specified in the table are as follows; the valve closing time is less than 1 second, and the various parameters of the valve are completely matched with the parameters of the chip and the control circuit.

● High degree of information security: Advanced encryption algorithms are used to encrypt 128-bit gas information using group keys, and data is scientifically and organically combined using security protocols to effectively prevent illegal information theft and malicious tampering. Ensures reliable system data exchange.

● Good airtightness: adopts joint riveting technology, resistance welding technology, counter magnetic drive technology and seal sealing technology to fully match the shell and the movement, ensuring a good airtightness of the gas meter.

●Protection performance is good: The card slot and the circuit board are sealed in separate boxes to ensure that the circuit board is completely sealed in the cavity after installation, and the IP68 protection level is achieved. The circuit board is connected with the card slot through the data cable. The card slot guarantees relative sealing and meets the requirements of IP65 protection level, which is much higher than the national standard IP53 protection level, and meets the requirements of users' three defenses (moisture proof, mildew resistance, salt spray resistance).

● High reliability: The MTBF of the gas meter is> 5000h, which is much higher than the 2000h requirement of the GB/T6968-2011 “Film Gas Meter”.

● Long service life: The service life is more than 10 years.

● Remote meter reading: The use of wireless communication data transmission, communication distance, no household meter reading, intelligent watch, read the meter at any time, pay fees, save manpower.

● Remote prepaid management: The use of wireless communication data transmission, combined with prepaid management functions, and the use of advanced security encryption algorithm to ensure the safety and reliability of the data, to achieve over-the-counter, recharge the information in real time and reliable recharge to the table, improve the flexibility of the charging method .

● Remote price adjustment: A remote price adjustment function is implemented to facilitate the unified management of gas companies.

● Remote on-off valve: According to the needs of gas companies, users can realize remote on-off valve control.

● Remote real-time monitoring: remote real-time monitoring of the running status of the table is conducive to the management of the gas company.

● A variety of ways to purchase gas: users can visit the gas company's Web site, through online banking, Alipay and other means of payment for the purchase of gas.

● A variety of control methods: Gas companies can monitor and control gas meters under their jurisdiction in real time through the Internet and remote communication devices.

● Multiple access methods: The client can communicate with the application server through the internal network (local area network) or Internet network. When using the Internet network communication, hardware firewall technology is used to prevent unauthorized access to the server and protect the application server security.

● High degree of data security: The database server does not directly face the user. The application server is the only external window. Users can only access the database server through the application server indirectly, ensuring the partition between the database server and the physical address of external data. It reduces the chance of database server being attacked and increases the security, reliability and stability of data.

Technical indicators

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