CN204706172U - A kind of gas meter, flow meter long distance control system based on wireless remote transmission technology - Google Patents

A kind of gas meter, flow meter long distance control system based on wireless remote transmission technology Download PDF

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Publication number
CN204706172U
CN204706172U CN201520439637.0U CN201520439637U CN204706172U CN 204706172 U CN204706172 U CN 204706172U CN 201520439637 U CN201520439637 U CN 201520439637U CN 204706172 U CN204706172 U CN 204706172U
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China
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meter
gas
module
gprs
flow meter
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Expired - Fee Related
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CN201520439637.0U
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Chinese (zh)
Inventor
江金鱼
杨春杰
袁焕
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Hubei Polytechnic University
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Hubei Polytechnic University
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Abstract

A kind of gas meter, flow meter long distance control system based on wireless remote transmission technology, include several meter reading instruments, GPRS server and remote receiver and client, wherein each meter reading instrument respectively with each industry or public good fortune user main combustible pipe road on gas meter, flow meter, pressure transducer is connected with temperature sensor, microprocessor is provided with in meter reading instrument, power management module, auxiliary circuit, signal sampling module and GSM/GPRS module, meter reading instrument is used for the volume signals of being measured by gas meter, flow meter, the pressure in main combustible pipe road, temperature signal is sent to remote receiver by GPRS server after treatment, remote receiver transfers to client after processing the data received and consults relevant information for operator, the utility model alleviates the workload that gas company checks meter and patrols and examines table, achieves the remote real-time monitoring of the flow to gas ductwork, pressure and temperature signal, ensure that the safe operation of gas ductwork, have higher practicality.

Description

A kind of gas meter, flow meter long distance control system based on wireless remote transmission technology
Technical field
The utility model relates to gas metering technical field, especially a kind of gas meter, flow meter long distance control system based on wireless remote transmission technology.
Background technology
Along with the fast development of market for natural gas, the contradiction that the restriction of natural gas upstream total supply and downstream gas demand increase fast is more and more outstanding, and this brings very large pressure to the safe operation of pipeline network of fuel gas in city.Meanwhile, because the metering outfit kind of gas company is more, distributed areas are comparatively wide and install dispersion and the features such as installation environment complexity, larger difficulty is brought to the O&M of whole gas ductwork.
Natural gas user is generally divided three classes: industrial user, public good fortune user and civilian family.Industrial user refers to pure enterprise customer; Public good fortune user as the term suggests be public welfare user, as the natural gas supply of hospital, school, wherein in social life some commercial user as restaurant, dining room and bathing and also plan to public good fortune user for the residential quarter of central gas supply; Civilian family refers to pure domestic consumer.
As everyone knows, current because civilian family gas consumption is few and consumption flexible and changeable, civilian householder will adopt combustion gas rechargeable card to carry out the use amount of metering gas.Comparatively speaking, industrial or public good fortune user's gas consumption is large, simultaneously in order to meet the demand of business or public welfare, industrial or public good fortune user will guarantee the ongoing Security supply of combustion gas, thus not only to the use amount wanting accurate-metering combustion gas, and the various performance parameters will monitoring gas ductwork is in real time to guarantee the safe operation of gas ductwork.
But, current most of gas company does not provide corresponding monitor network to carry out the real-time monitoring of combustion gas use amount to gas ductwork and the operating index of gas ductwork own, but take manual work mode to monitor the operation of gas ductwork, and directly read combustion gas use amount by artificial meter reading mode.And find in real work, the mode taking personal monitoring's gas ductwork to run is not accomplished industry or the various performance parameters (temperature, pressure, gas flow rate) of gas ductwork of public good fortune user and the real-time monitoring of combustion gas use amount, and artificial meter reading mode will be visited and be read combustion gas use amount, so not only workload is large, efficiency is low, easily make mistakes, and substantially increase man power and material's cost of gas company.
Summary of the invention
The purpose of this utility model will solve that current gas company takes that manual work mode workload is large exactly, inefficiency, easily make mistakes, man power and material's cost is high, and do not accomplish the problem of remote real-time monitoring of various performance parameters when the gas ductwork of industry or public good fortune user is run and combustion gas use amount, a kind of gas meter, flow meter long distance control system based on wireless remote transmission technology is provided for this reason.
Concrete scheme of the present utility model is: a kind of gas meter, flow meter long distance control system based on wireless remote transmission technology, is characterized in that: include with lower unit:
Several meter reading instruments, are connected with temperature sensor with gas meter, flow meter, pressure transducer on the main combustible pipe road of each industry or public good fortune user respectively; Meter reading instrument has closed cast housing, housing is equipped with antenna, and the cable hole offered for laying signal transmission line, several integrated control modules are on circuit boards housed in the housing, control module includes microprocessor, power management module, auxiliary circuit, signal sampling module and GSM/GPRS module, be provided with RS232/RS485 interface on circuit boards, for realizing the communication configuration of each control module and the communication interaction with external unit; Described microprocessor is for realizing the logic control of each control module; Described power management module provides working power for each control module and realizes power supply selection function; Described auxiliary circuit provides reset, JATG and accurate clock timing and key testing function for microprocessor; Described signal sampling module connects gas meter, flow meter, pressure transducer and temperature sensor respectively by signal transmission line, and the volume signals of being measured by gas meter, flow meter, the pressure in main combustible pipe road, temperature signal transfer to microprocessor respectively, the signal received is undertaken processing by special algorithm and is transferred to GSM/GPRS module after the real-time flow rate, integrated flow and the abnormal alarm information that change into for characterizing combustion gas and failure message by microprocessor; Described GSM/GPRS module is connected with antenna, for the data received are sent to GPRS server by antenna;
GPRS server, for the data sended over by GSM/GPRS module in each meter reading instrument of network reception, and sends data to remote receiver;
Data for receiving the data that GPRS server sends over, and are transferred to client by remote receiver after treatment;
Client, adopt based on X86 platform, run the computer of Windows more than 2000 operating system, and in computer, remote monitoring software is housed, remote monitoring software includes user management, controls main interface, curve display, report display and these monitoring interfaces of Operation system setting, and possess database purchase function, search history curve and form with for operator.
The armored cassette that the housing of meter reading instrument described in the utility model selects Xinliming Technology Co., Ltd. to produce, armored cassette is of a size of: long 200mm, wide 120mm, high 90mm, and explosive-proof grade is Exib II BT4; At armored cassette built with liner plate, liner plate is processed by 3240 epoxy plates, and liner plate is provided with four legs, and wherein leg adopts six pin copper posts, and described circuit board installed by six pin copper posts.
Control module in meter reading instrument described in the utility model also includes the corresponding MAX232 chip that matches with RS232/RS485 interface and MAX485 chip, microprocessor selects model to be the single-chip microcomputer of MSP430F247, and GSM/GPRS module selects G600 wireless module; Described power management module includes two-stage bleeder circuit, and possess that external dc 24V powers, three kinds of powering modes powered by internal battery powers and reserve battery, the secondary bleeder circuit that the one-level bleeder circuit that two-stage bleeder circuit is made up of LM2596-ADJ voltage stabilizing chip is formed with LM1117-3.3 voltage stabilizing chip and another block LM2596-ADJ voltage stabilizing chip is respectively in series, in secondary bleeder circuit, LM1117-3.3 voltage stabilizing chip is connected with single-chip microcomputer, and LM2596-ADJ voltage stabilizing chip is connected with G600 wireless module; Wherein internal battery powers pattern selects the lithium battery group be in series by the lithium battery of 3 joint 3.6V, 20AH, and lithium battery group is arranged between liner plate and the bottom of armored cassette; Reserve battery powering mode selects model to be the button cell of CR2032, and button cell is installed on circuit boards.
Cable hole described in the utility model is provided with three, and all stuffing-box is housed in each cable hole.Wherein, from signal sampling model calling to gas meter, flow meter, the temperature signal of gas pipeline that collects of the pressure signal of the signal transmission line of pressure transducer and temperature sensor is respectively used to transmit the volume signals of gas meter, flow meter metering, pressure transducer collects gas pipeline and temperature sensor, these three kinds of signal transmission lines are each passed through the stuffing-box be arranged in three cable holes, and stuffing-box enters in armored cassette to prevent extraneous moisture for locking signal transmission line.
The utility model has the following advantages:
(1) the utility model achieves and the local data of gas meter, flow meter is sent to client to realize the remote monitoring to gas ductwork gas flow by GSM/GPRS network, alleviates the workload that gas company checks meter and patrols and examines table significantly.
(2) the utility model adopts each meter reading instrument and GPRS network, remote receiver and client achieve the flow to gas ductwork operationally combustion gas, the information such as the temperature and pressure of Gas Pipe round-the-clock, comprehensive, without the monitoring at dead angle, therefore, for the use amount that manual work mode carrys out metering gas, achieve the remote real-time monitoring of various parameters when gas ductwork is run, convenient operation person grasps the first-hand information of gas ductwork at any time, and the abnormal problem that timely process gas ductwork operationally occurs, prevent the generation of peril.
(3) in the utility model, meter reading instrument possesses dust-proof, explosion-proof advantage, the power management module of meter reading instrument adopts multiple power sources preference pattern to be that on circuit board, other control module is powered, ensure that the normal operation of meter reading instrument, simultaneously meter reading instrument adopt GSM/GPRS module and use GPRS network and remote receiver carry out the communication modes antijamming capability of information interaction by force, long transmission distance, highly sensitive, stable performance.
(4) the utility model facilitates the duty of remote monitoring software real-time monitoring site meter reading instrument of operator by installing in client, the object reaching remote monitoring and check meter.
Accompanying drawing explanation
Fig. 1 is control structure block diagram of the present utility model;
Fig. 2 is the control structure block diagram of integrated each control module on circuit boards in the utility model;
Fig. 3 is the inner structure schematic diagram of meter reading instrument in the utility model.
In figure: 1-meter reading instrument, 2-gas meter, flow meter, 3-pressure sensing, 4-temperature sensor, 5-housing, 6-antenna, 7-cable hole, 8-circuit board, 9-microprocessor, 10-power management module, 11-auxiliary circuit, 12-signal sampling module, 13-GSM/GPRS module, 14-GPRS server, 15-remote receiver, 16-client, 17-liner plate, 18-leg, 19-lithium battery group, 20-button cell.
Embodiment
See Fig. 1-3, the utility model includes with lower unit:
Several meter reading instruments 1, gas meter, flow meter 2 on the main combustible pipe road of each meter reading instrument 1 and each industry or public good fortune user, pressure transducer 3 is connected with temperature sensor 4, and (meter reading instrument successively label is instrument 1 of checking meter, meter reading instrument 2, meter reading instrument n, gas meter, flow meter successively label is gas meter, flow meter 1, gas meter, flow meter 2, gas meter, flow meter n, pressure transducer successively label is pressure transducer 1, pressure transducer 2, pressure transducer n, temperature sensor successively label is temperature sensor 1, temperature sensor 2, temperature sensor n).Meter reading instrument 1 has closed cast housing 5, housing 5 is equipped with antenna 6, and the cable hole 7 offered for laying signal transmission line, several are housed in housing 5 and are integrated in control module on circuit board 8, control module includes microprocessor 9, power management module 10, auxiliary circuit 11, signal sampling module 12 and GSM/GPRS module 13, circuit board 8 is provided with RS232/RS485 interface, for realizing the communication configuration of each control module and the communication interaction with external unit; Described microprocessor 9 is for realizing the logic control of each control module; Described power management module 10 provides working power for each control module and realizes power supply selection function; Described auxiliary circuit 11 provides reset, JATG and accurate clock timing and key testing function for microprocessor; Described signal sampling module 12 connects gas meter, flow meter 2, pressure transducer 3 and temperature sensor 4 respectively by signal transmission line, and the volume signals of being measured by gas meter, flow meter 2, the pressure in main combustible pipe road, temperature signal transfer to microprocessor 9 respectively, the signal received is undertaken processing by special algorithm and is transferred to GSM/GPRS module 13 after the real-time flow rate, integrated flow and the abnormal alarm information that change into for characterizing combustion gas and failure message by microprocessor 9; Described GSM/GPRS module 13 is connected with antenna 6, for the data received are sent to GPRS server 14 by antenna 6;
GPRS server 14, for the data sended over by GSM/GPRS module 13 in each meter reading instrument of network reception, and sends data to remote receiver 15;
Remote receiver 15, for receiving the data that GPRS server 14 sends over, and data are transferred to client 16 after treatment, wherein remote receiver 15 has the hardware configuration identical with meter reading instrument 1, remote receiver 15 adopts same GSM/GPRS module to receive the data message sended over from GPRS server 14, and by data information transfer to built-in microprocessor, after microprocessor processes information, transfer to client 16 by RS232 interface;
Client 16, adopt based on X86 platform, run the computer of Windows more than 2000 operating system, and in computer, remote monitoring software is housed, remote monitoring software includes user management, controls main interface, curve display, report display and these monitoring interfaces of Operation system setting, and possess database purchase function, search history curve and form with for operator.
The armored cassette that the housing 5 of meter reading instrument described in the present embodiment selects Xinliming Technology Co., Ltd. to produce, armored cassette is of a size of: long 200mm, wide 120mm, high 90mm, and explosive-proof grade is Exib II BT4; At armored cassette built with liner plate 17, liner plate 17 is processed by 3240 epoxy plates, and liner plate 17 is provided with four legs 18, and wherein leg 18 adopts six pin copper posts, and described circuit board 8 installed by six pin copper posts.
Control module in meter reading instrument 1 described in the present embodiment also includes the corresponding MAX232 chip that matches with RS232/RS485 interface and MAX485 chip, microprocessor 9 selects model to be the single-chip microcomputer of MSP430F247, GSM/GPRS module 13 selects G600 wireless module, and wherein MAX232 chip is connected with single-chip microcomputer respectively with MAX485 chip; Described power management module 10 includes two-stage bleeder circuit, and possess that external dc 24V powers, three kinds of powering modes powered by internal battery powers and reserve battery, the secondary bleeder circuit that the one-level bleeder circuit that two-stage bleeder circuit is made up of LM2596-ADJ voltage stabilizing chip is formed with LM1117-3.3 voltage stabilizing chip and another block LM2596-ADJ voltage stabilizing chip is respectively in series, in secondary bleeder circuit, LM1117-3.3 voltage stabilizing chip is connected with single-chip microcomputer, and LM2596-ADJ voltage stabilizing chip is connected with G600 wireless module; Wherein internal battery powers pattern selects the lithium battery group 19 be in series by the lithium battery of 3 joint 3.6V, 20AH, and lithium battery group 19 is arranged between liner plate 17 and the bottom of armored cassette; Reserve battery powering mode selects model to be the button cell 20 of CR2032, and button cell 20 is arranged on circuit board 8.Meter reading instrument 1 mainly adopts external dc 24V to power when usually using, and the operating voltage of the lithium battery group 19 adopting internal battery powers pattern to use as from the foregoing is 10.8V, just (operating voltage of G600 wireless module is 4.0V to meet single-chip microcomputer and G600 wireless module by two-stage bleeder circuit, peak point current is 2A) power demands, lithium battery group 19 can meet meter reading instrument 1 power demands of continuous more than 3 years; Access is to maintain the normal pulse of single-chip microcomputer or communication automatically when external power supply or 19 power-off of inner lithium battery group for reserve battery powering mode, and wherein button cell 20 can meet the maintenance power demands of 3 days.
Cable hole 7 described in the present embodiment is provided with three, and all stuffing-box is housed in each cable hole 7, stuffing-box is connected to the signal transmission line of gas meter, flow meter 2, pressure transducer 3 and temperature sensor 4 for locking signal sampling module 12, and prevents extraneous moisture from entering in armored cassette.

Claims (4)

1. based on a gas meter, flow meter long distance control system for wireless remote transmission technology, it is characterized in that: include with lower unit:
Several meter reading instruments, are connected with temperature sensor with gas meter, flow meter, pressure transducer on the main combustible pipe road of each industry or public good fortune user respectively; Meter reading instrument has closed cast housing, housing is equipped with antenna, and the cable hole offered for laying signal transmission line, several integrated control modules are on circuit boards housed in the housing, control module includes microprocessor, power management module, auxiliary circuit, signal sampling module and GSM/GPRS module, be provided with RS232/RS485 interface on circuit boards, for realizing the communication configuration of each control module and the communication interaction with external unit; Described microprocessor is for realizing the logic control of each control module; Described power management module provides working power for each control module and realizes power supply selection function; Described auxiliary circuit provides reset, JATG and accurate clock timing and key testing function for microprocessor; Described signal sampling module connects gas meter, flow meter, pressure transducer and temperature sensor respectively by signal transmission line, and the volume signals of being measured by gas meter, flow meter, the pressure in main combustible pipe road, temperature signal transfer to microprocessor respectively, the signal received is undertaken processing by special algorithm and is transferred to GSM/GPRS module after the real-time flow rate, integrated flow and the abnormal alarm information that change into for characterizing combustion gas and failure message by microprocessor; Described GSM/GPRS module is connected with antenna, for the data received are sent to GPRS server by antenna;
GPRS server, for the data sended over by GSM/GPRS module in each meter reading instrument of network reception, and sends data to remote receiver;
Data for receiving the data that GPRS server sends over, and are transferred to client by remote receiver after treatment;
Client, adopt based on X86 platform, run the computer of Windows more than 2000 operating system, and in computer, remote monitoring software is housed, remote monitoring software includes user management, controls main interface, curve display, report display and these monitoring interfaces of Operation system setting, and possess database purchase function, search history curve and form with for operator.
2. a kind of gas meter, flow meter long distance control system based on wireless remote transmission technology according to claim 1, it is characterized in that: the armored cassette that the housing of described meter reading instrument selects Xinliming Technology Co., Ltd. to produce, armored cassette is of a size of: long 200mm, wide 120mm, high 90mm, explosive-proof grade is Exib II BT4; At armored cassette built with liner plate, liner plate is processed by 3240 epoxy plates, and liner plate is provided with four legs, and wherein leg adopts six pin copper posts, and described circuit board installed by six pin copper posts.
3. a kind of gas meter, flow meter long distance control system based on wireless remote transmission technology according to claim 1 and 2, it is characterized in that: the control module in described meter reading instrument also includes the corresponding MAX232 chip that matches with RS232/RS485 interface and MAX485 chip, microprocessor selects model to be the single-chip microcomputer of MSP430F247, and GSM/GPRS module selects G600 wireless module; Described power management module includes two-stage bleeder circuit, and possess that external dc 24V powers, three kinds of powering modes powered by internal battery powers and reserve battery, the secondary bleeder circuit that the one-level bleeder circuit that two-stage bleeder circuit is made up of LM2596-ADJ voltage stabilizing chip is formed with LM1117-3.3 voltage stabilizing chip and another block LM2596-ADJ voltage stabilizing chip is respectively in series, in secondary bleeder circuit, LM1117-3.3 voltage stabilizing chip is connected with single-chip microcomputer, and LM2596-ADJ voltage stabilizing chip is connected with G600 wireless module; Wherein internal battery powers pattern selects the lithium battery group be in series by the lithium battery of 3 joint 3.6V, 20AH, and lithium battery group is arranged between liner plate and the bottom of armored cassette; Reserve battery powering mode selects model to be the button cell of CR2032, and button cell is installed on circuit boards.
4. a kind of gas meter, flow meter long distance control system based on wireless remote transmission technology according to claim 1, is characterized in that: described cable hole is provided with three, and all stuffing-box is housed in each cable hole.
CN201520439637.0U 2015-06-25 2015-06-25 A kind of gas meter, flow meter long distance control system based on wireless remote transmission technology Expired - Fee Related CN204706172U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105023411A (en) * 2015-06-25 2015-11-04 湖北理工学院 Wireless remote transmission technology-based gas meter remote monitoring system
CN105928583A (en) * 2016-06-21 2016-09-07 成都国光电子仪表有限责任公司 Natural gas remote measuring system
CN108302327A (en) * 2018-02-07 2018-07-20 北京东方通捷燃气有限责任公司 A kind of gas pipeline remote monitoring system
CN110544371A (en) * 2019-09-03 2019-12-06 真兰仪表科技有限公司 Real-time monitoring system for gas meter

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105023411A (en) * 2015-06-25 2015-11-04 湖北理工学院 Wireless remote transmission technology-based gas meter remote monitoring system
CN105928583A (en) * 2016-06-21 2016-09-07 成都国光电子仪表有限责任公司 Natural gas remote measuring system
CN108302327A (en) * 2018-02-07 2018-07-20 北京东方通捷燃气有限责任公司 A kind of gas pipeline remote monitoring system
CN110544371A (en) * 2019-09-03 2019-12-06 真兰仪表科技有限公司 Real-time monitoring system for gas meter

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151014

Termination date: 20200625

CF01 Termination of patent right due to non-payment of annual fee