CN108803440A - The monitoring terminal and system of gas ductwork - Google Patents
The monitoring terminal and system of gas ductwork Download PDFInfo
- Publication number
- CN108803440A CN108803440A CN201810811973.1A CN201810811973A CN108803440A CN 108803440 A CN108803440 A CN 108803440A CN 201810811973 A CN201810811973 A CN 201810811973A CN 108803440 A CN108803440 A CN 108803440A
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- China
- Prior art keywords
- monitoring
- gas ductwork
- master controller
- monitoring terminal
- display screen
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
Abstract
The present invention relates to the monitoring terminals and system of a kind of gas ductwork, and wherein terminal includes master controller, and NB-IoT communication modules, data transmission port, display screen and the Magnetic sucking switch being connect respectively with master controller；NB-IoT communication modules are connected with NB-IoT antennas, are communicated to connect for being established with monitoring center's server；Data transmission port carries out data interchange for connecting measuring instrument, and with measuring instrument；Display screen is used to show the monitoring information of the measuring instrument；Magnetic sucking switch is used under magnetic bodies triggering be attracted, and triggers display screen described in main controller controls and opens；Master controller acquires the monitoring data of the measuring instrument by the data transmission port every setting time interval and the monitoring data is sent to monitoring center's server by the NB-IoT communication modules, and when the display screen is opened up to setting time, close the display screen.The monitoring terminal of above-mentioned gas ductwork, can the effective amount of saving energy, reduce use cost.
Description
Technical field
The present invention relates to gas ductwork technical fields, more particularly to the monitoring terminal and system of a kind of gas ductwork.
Background technology
With the fast development of Urbanization Process In China, natural gas supplies pipe network and spreads all over city each region, to combustion gas public affairs
For department, the real-time monitoring of the operating pressure, flow and leakage situation to the important pressure regulation website of gas ductwork is realized, it can be big
Amplitude improves the safety of gas ductwork operation, and sound assurance is provided for the safety in production of enterprise.
In recent years, all types of data acquisitions and supervisor control (Supervisory Control And in gas ductwork
Data Acquisition, SCADA) used in mode mostly be use the monitoring terminal comprising all types of data collectors
Data interaction is carried out by remote data communication and monitoring center's server, to realize the long-range monitoring to pipe network website.
Above-mentioned existing gas ductwork monitoring technology, since monitoring terminal needs acquire and show monitoring data in real time,
Line carries out data interaction with long-range monitoring center's server, sends monitoring data to monitoring center's server, leads to monitoring eventually
The power consumption at end is larger, and the operating cost for monitoring terminal is high.
Invention content
Based on this, it is necessary to for the high technical problem of existing gas ductwork terminal power consumption amount, provide a kind of Gas Pipe
The monitoring terminal and system of net.
A kind of monitoring terminal of gas ductwork, the monitoring terminal of the gas ductwork includes master controller, and respectively with master
NB-IoT communication modules, data transmission port, display screen and the Magnetic sucking switch of controller connection；
Wherein, the NB-IoT communication modules are connected with NB-IoT antennas, for being communicated with monitoring center's server foundation
Connection；The data transmission port carries out data interchange for connecting measuring instrument, and with the measuring instrument；The display screen
Monitoring information for showing the measuring instrument；The Magnetic sucking switch is used under magnetic bodies triggering be attracted, described in triggering
Display screen described in main controller controls is opened；The master controller is adopted every setting time interval by the data transmission port
Collect the monitoring data of the measuring instrument and the monitoring data are sent to by monitoring center by the NB-IoT communication modules
Server, and when the display screen is opened up to setting time, close the display screen.
The monitoring terminal of above-mentioned gas ductwork realizes the data interchange with monitoring center's server using NB-IoT communications,
Compared to the GPRS communication technologys that the monitoring terminal of existing gas ductwork uses, NB-IoT communications have expense low and efficient
Advantage；Display screen is triggered by the Magnetic sucking switch of setting to open, user can utilize magnetic bodies such as magnetic pen or magnetic day
Line triggers Magnetic sucking switch and opens display screen, easy to use, and master controller can control display screen to be automatically closed or enter suspend mode shape
State reduces the use cost of the monitoring terminal of gas ductwork with the amount of saving energy.
In one embodiment, master controller is being the first alarm level of triggering when the Analysis on monitoring data result of acquisition
When, the monitoring terminal for controlling gas ductwork is switched to the pattern of working online；Master controller is in the Analysis on monitoring data knot when acquisition
When fruit is the second alarm level of triggering, the monitoring terminal for controlling gas ductwork is switched to critical activity pattern；Master controller is being worked as
When the Analysis on monitoring data result of acquisition is normal condition, then uploads state and restore information to monitoring center's server, control combustion
The monitoring terminal of gas pipe network is switched to low power mode of operation.
The technical solution of above-described embodiment, master controller is different according to the alarm level of monitoring data, adjusts gas ductwork
Monitoring terminal be switched to different operating modes, can ensure data acquisition promptness and reliability while, reduce
Monitor the power consumption of terminal.
In one embodiment, the display screen is segment encode screen or OLED screen.Segment encode screen and the operating power consumption of OLED screen are remote
It, being capable of the effective amount of saving energy less than common liquid crystals screen.
In one embodiment, the Magnetic sucking switch is tongue tube.Tongue tube is in normally open in no magnetic, works as magnetism
When object is close to tongue tube, the contact part of the reed of tongue tube can be made to be magnetically attracted and be attracted, to which further triggering is led
Control device lights display screen.
In one embodiment, the master controller is the low-power consumption type microcontroller with sleep mode, such as can be with
It is the microcontroller etc. of MSP430 and STM8L models.
In one embodiment, the monitoring terminal of the gas ductwork further includes flame proof casing；The master controller
It is set in the flame proof casing, the display screen and data transmission port are embedded on the flame proof casing, institute
It states on the inside of the display screen that Magnetic sucking switch is set on the flame proof casing.
The technical solution of above-described embodiment, by the flame proof casing of setting to the monitoring terminal of gas ductwork carry out every
Quick-fried protection reduces the danger that the monitoring terminal of gas ductwork caused by possible gas leakage under combustion gas environment is ignited, improves
The safety in utilization of the monitoring terminal of gas ductwork.
In one embodiment, the monitoring terminal of the gas ductwork further includes：The power supply being connect with the master controller
Module；The power supply module connection external power supply and lithium battery；Power supply module described in the main controller controls has outer in access
It when portion's power supply, is powered using external power supply, and is switched to the pattern of working online；When not accessing external power supply, lithium battery is used
Power supply, and it is switched to low power mode of operation.
The technical solution of above-described embodiment, lithium battery can be used as stand-by power supply, and the monitoring terminal of gas ductwork is outer in missing
When portion's power input is supported, internal lithium battery power supply can be used.When site environment can configure external power supply access, Gas Pipe
The monitoring terminal of net can then automatically cut off internal battery powers, be switched to external power supply power supply, ensure that the monitoring of gas ductwork is whole
The electrical stability at end.
In one embodiment, the monitoring terminal of the gas ductwork further includes：With being isolated for power supply module connection
Power supply output module, the input terminal of the output end connection intrinsically safe circuit of the isolated power supply output module, the intrinsically safe circuit
Output end is powered for connecting measuring instrument for the measuring instrument.
The technical solution of above-described embodiment, in the monitoring terminal of gas ductwork setting connect with the power supply module every
From power supply output module, powered to the measuring instrument of connection by intrinsically safe circuit so that measuring instrument is outer without still further connection
Portion's power supply, it is more convenient to use, and limited by the protection of intrinsically safe circuit, it avoids under combustion gas environment due to line short or circuit
The security risk that combustion gas caused by electric spark is lighted improves the safety of the monitoring terminal of gas ductwork.
In one embodiment, the monitoring terminal of the gas ductwork further includes：The 4G being connect with the master controller is logical
Believe that module, the 4G communication modules are connected with 4G antennas, is communicated to connect for being established with monitoring center's server.
The technical solution of above-described embodiment, in conjunction with the NB-IoT communication modules of present invention, in practical application
In the process, can be in NB-IoT communication mode stability deficiencies, such as need to carry out real time data interaction and terminal firmware
In the case of upgrading, switching is carried out data transmission using 4G communication modules with monitoring center's server, is reducing gas ductwork
While monitoring the use cost of terminal, ensure data transmission between the monitoring terminal of gas ductwork and monitoring center's server
Stability.
In one embodiment, the monitoring terminal of the gas ductwork further includes：The bluetooth being connect with the master controller
Module, the bluetooth module are used for exterior terminal equipment into row data communication.It is realized and outside by built-in bluetooth module
The communication connection of terminal device, user can by exterior terminal equipment such as mobile phone, tablet computer i.e. easily to combustion gas
The data of the monitoring terminal of pipe network are read out and debug, and save the trouble for opening explosion-proof casing.
In one embodiment, the measuring instrument includes pressure sensor, leakage alarm, flowmeter and/or electronic
Valve.
In one embodiment, the data transmission port includes that AI interfaces, AO interfaces, DI interfaces, DO interfaces and 485 are logical
Believe module；The master controller connects the pressure sensor by AI interfaces；The master controller is logical by DI interfaces or 485
Believe that module connects the leakage alarm；The master controller connects the flowmeter by 485 communication modules；The main control
Device connects the motor-driven valve by AO interfaces with AI interfaces.
The technical solution of above-described embodiment, it is a variety of by built-in AO interfaces, DI interfaces, DO interfaces and 485 communication modules
Data transmission port, may be implemented to establish data with various types of measuring instrument and communicates, and improve the prison of gas ductwork
Survey the applicability of terminal.
A kind of monitoring system of gas ductwork, including monitoring center's server, and it is logical with the monitoring center's server
Believe the monitoring terminal of the gas ductwork described in any one embodiment as above of connection.
The monitoring terminal of the monitoring system of above-mentioned gas ductwork, gas ductwork is realized using NB-IoT communications and monitoring center
The data interchange of server, compared to the GPRS communication technologys of the monitoring terminal use of existing gas ductwork, NB-IoT communication tools
The advantage for having expense low and efficient；Display screen is triggered by the Magnetic sucking switch of setting to open, user can utilize magnetic bodies
Such as magnetic pen or magnetic antenna triggering Magnetic sucking switch open display screen, it is easy to use, and master controller can control display screen certainly
It is dynamic to close or the use cost of the monitoring terminal of gas ductwork is reduced with the amount of saving energy into dormant state.
Description of the drawings
Fig. 1 is the structural schematic diagram of the monitoring terminal of gas ductwork in one embodiment；
Fig. 2 is the structural schematic diagram of the monitoring terminal of gas ductwork in one embodiment；
Fig. 3 is the structural schematic diagram of the monitoring terminal of gas ductwork in one embodiment；
Fig. 4 is the structural schematic diagram of the monitoring system of gas ductwork in one embodiment.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only used to explain the present invention, not
For limiting the present invention.
In one embodiment, as shown in Figure 1, providing a kind of monitoring terminal 10 of gas ductwork, the gas ductwork
Monitor terminal 10 include master controller 110, and connect respectively with master controller 110 based on cellular narrowband Internet of Things
(Narrow Band Internet of Things, NB-IoT) communication module 120, data transmission port 130, display screen 140
With Magnetic sucking switch 150；
Wherein, the NB-IoT communication modules 120 are connected with NB-IoT antennas 121, are used for and monitoring center's server 20
Establish communication connection；The data transmission port 130 carries out data for connecting measuring instrument 30, and with the measuring instrument 30
Intercommunication；The display screen 140 is used to show the monitoring information of the measuring instrument 30；The Magnetic sucking switch 150 is used in magnetism
The triggering of object 40 is lower to be attracted, and is triggered the master controller 110 and is controlled the unlatching of the display screen 140；The master controller 110 every
Setting time interval by the data transmission port 130 acquires the monitoring data of the measuring instrument 30 and by the NB-
The monitoring data are sent to monitoring center's server 20 by IoT communication modules 120, and are opened to reach in the display screen 140 and be set
When fixing time, the display screen 140 is closed.
The monitoring terminal 10 of above-mentioned gas ductwork is realized mutual with the data of monitoring center's server 20 using NB-IoT communications
Logical, compared to the GPRS communication technologys of the use of monitoring terminal 10 of existing gas ductwork, NB-IoT communications have expense low and effect
The high advantage of rate；Display screen 140 is triggered by the Magnetic sucking switch 150 of setting to open, user can utilize magnetic bodies 40 for example
Magnetic pen or magnetic antenna triggering Magnetic sucking switch 150 open display screen 140, easy to use, and the controllable display of master controller 110
Screen 140 is automatically closed or reduces the use cost of the monitoring terminal 10 of gas ductwork into dormant state with the amount of saving energy.
Wherein, the time interval can be set according to actual needs, such as can be every 1 minute, 5 minutes, 10 points
The time interval of clock or 15 minutes etc. was monitored the data acquisition of instrument 30, and every 1 hour or two hours etc. interval
Time uploads the monitoring data of acquisition to monitoring center's server 20.The monitoring terminal 10 of gas ductwork can there are many different
Operating mode, such as the pattern that can work online, critical activity pattern, low power mode of operation and suspend mode etc..When
The monitoring terminal 10 of gas ductwork be in work online under pattern, can be spaced shorter interval time for example every 1 minute i.e.
Carry out the acquisition and upload of data；It, then can be every 1 second, 2 seconds or 5 seconds etc. second grade interval when in critical activity pattern
Time, data acquired the real-time upload with data with carrying out high-frequency；And when be in low power mode of operation, then can be spaced compared with
The acquisition and upload that long interval time for example carried out data every 15 minutes；If being in suspend mode, data can be suspended
Active acquisition and upload, and close display screen 140.
Wherein, master controller 110 can carry out analyzing processing to the monitoring data that measuring instrument 30 acquires in real time, and be arranged
Multi-stage alarming grade.
In one embodiment, when the Analysis on monitoring data result of acquisition is the first alarm level of triggering, control switching
For the pattern of working online；When the Analysis on monitoring data result of acquisition is the second alarm level of triggering, control is switched to urgent work
Operation mode；When the Analysis on monitoring data result of acquisition is normal condition, then uploads state and restore information to monitoring center's service
Device 20, control are switched to low power mode of operation.Different according to the alarm level of monitoring data, adjustment monitoring terminal 10 is switched to
Different operating modes can reduce the power consumption of monitoring terminal 10 while ensuring the promptness and reliability of data acquisition
Amount.
Specifically, in one embodiment, the display screen 140 is segment encode screen or Organic Light Emitting Diode (Organic
Light-Emitting Diode, OLED) screen.Segment encode screen and the operating power consumption of OLED screen are far below common liquid crystals screen, Neng Gouyou
Imitate the amount of saving energy.
In one embodiment, the Magnetic sucking switch 150 is tongue tube.Tongue tube is in normally open in no magnetic, when
When magnetic bodies 40 is close to tongue tube, the contact part of the reed of tongue tube can be made to be magnetically attracted and be attracted, to further
Triggering main controller lights display screen 140.
In one embodiment, the master controller 110 is the low-power consumption type microcontroller with sleep mode, such as can
To be the microcontroller etc. of MSP430 and STM8L models.
In practical applications, scene such as gas ductwork section voltage regulating station, the valve that the monitoring terminal 10 of gas ductwork is applied
The places such as door well, are the inflammable and explosive environment there may be gas leakage, in order to promote the safety used, in a reality
It applies in example, as shown in Figure 2 and shown in Fig. 3, the monitoring terminal 10 of the gas ductwork further includes flame proof casing 100；It is described
Master controller 110 is set in the flame proof casing 100, and the display screen 140 and data transmission port 130 are embedded at institute
It states on flame proof casing 100, the Magnetic sucking switch 150 is set to the display screen 140 on the flame proof casing 100
Inside.
The technical solution of above-described embodiment, by the flame proof casing 100 of setting to the monitoring terminal 10 of gas ductwork
Flame proof protection is carried out, the danger that the monitoring terminal 10 of gas ductwork caused by possible gas leakage under combustion gas environment is ignited is reduced
Danger, improves the safety in utilization of the monitoring terminal 10 of gas ductwork.
In order to promoted gas ductwork monitoring terminal 10 cruising ability, in one embodiment, as shown in Fig. 2, described
The monitoring terminal 10 of gas ductwork further includes：The power supply module 160 being connect with the master controller 110；The power supply module 160
Connect external power supply 50 and lithium battery 60；The master controller 110 controls the power supply module 160 has external power supply 50 in access
When, it is powered using external power supply 50, and be switched to the pattern of working online；When not accessing external power supply 50, lithium battery 60 is used
Power supply, and it is switched to low power mode of operation.
The technical solution of above-described embodiment, lithium battery 60 can be used as stand-by power supply, and the monitoring terminal 10 of gas ductwork is lacking
When losing the input support of external power supply 50, internal lithium battery 60 can be used to power.It is connect when site environment can configure external power supply 50
Fashionable, the monitoring terminal 10 of gas ductwork can then automatically cut off internal battery powers, be switched to the power supply of external power supply 50, ensure combustion
The electrical stability of the monitoring terminal 10 of gas pipe network.
The monitoring terminal 10 of existing gas ductwork, various the measuring instruments 30 such as flowmeter, pressure sensing of monitoring
Device and leakage alarm etc., it is just usable to be required to the connection power supply of external power supply 50, causes inconvenient for use in practical application, is
This is solved the problems, such as, in one embodiment, as shown in Fig. 2, the monitoring terminal 10 of the gas ductwork further includes：With it is described
The output end of the isolated power supply output module 170 that power supply module 160 connects, the isolated power supply output module 170 connects intrinsic safety
The output end of the input terminal of circuit 171, the intrinsically safe circuit 171 is supplied for connecting measuring instrument 30 for the measuring instrument 30
Electricity.
Wherein, the isolated power supply output module of such as direct current 9V or 24V may be used in the isolated power supply output module 170
170。
The technical solution of above-described embodiment, setting and the company of the power supply module 160 in the monitoring terminal 10 of gas ductwork
The isolated power supply output module 170 connect is powered by intrinsically safe circuit 171 to the measuring instrument 30 of connection so that measuring instrument 30
It is more convenient to use without still further connecting external power supply 50, and limited by the protection of intrinsically safe circuit 171, avoid combustion gas ring
Due to the security risk that combustion gas is lighted caused by line short or circuit electric spark under border, the monitoring terminal of gas ductwork is improved
10 safety.
In order to ensure gas ductwork monitoring terminal 10 communication stability, in one embodiment, as shown in Fig. 2, institute
The monitoring terminal 10 for stating gas ductwork further includes：The 4G communication modules 180 being connect with the master controller 110, the 4G communications
Module 180 is connected with 4G antennas 181, is communicated to connect for being established with monitoring center's server 20.
The technical solution of above-described embodiment is actually being answered in conjunction with the NB-IoT communication modules 120 of present invention
, can be under ordinary circumstance such as low power mode of operation, using NB-IoT communication modes in the process, and communicated in NB-IoT
When mode stability deficiency, such as need in the case of carrying out real-time data acquisition and upload and terminal firmware upgrading, such as
Under the pattern that works online and critical activity pattern, switching carries out data using 4G communication modules 180 and monitoring center's server 20
Transmission ensures the monitoring terminal 10 and prison of gas ductwork while reducing the use cost of monitoring terminal 10 of gas ductwork
The stability of data transmission between measured center server 20.
In addition, in one embodiment, as shown in Fig. 2, the monitoring terminal 10 of the gas ductwork further includes：With the master
The bluetooth module 190 that controller 110 connects, the bluetooth module 190 are used for exterior terminal equipment into row data communication.Pass through
Built-in bluetooth module 190 realizes that the communication connection with exterior terminal equipment, user can pass through exterior terminal equipment such as hand
Machine, tablet computer etc. are easily read out and debug to the data of the monitoring terminal 10 of gas ductwork, and it is explosion-proof to save unlatching
The trouble of casing.
In one embodiment, as shown in Fig. 2, the measuring instrument 30 includes pressure sensor, leakage alarm, flow
Meter and/or motor-driven valve.Wherein, pressure sensor can further include inlet pressure sensor and outlet pressure sensor.
Further, the data of various types of measuring instrument 30 are communicated, can be connect by different communication
Cause for gossip is existing, in one embodiment, the data transmission port 130 include analog input (Analog Input, AI) interface,
Analog output (Analog Output, AO) interface, digital quantity input (Digital Input, DI) interface, digital output
(Digital Output, DO) interface and 485 communication modules；
Wherein, the master controller 110 connects the pressure sensor by AI interfaces；The master controller 110 passes through
DI interfaces or 485 communication modules connect the leakage alarm；The master controller 110 passes through described in the connection of 485 communication modules
Flowmeter；The master controller 110 connects the motor-driven valve by AO interfaces with AI interfaces.
The technical solution of above-described embodiment, it is a variety of by built-in AO interfaces, DI interfaces, DO interfaces and 485 communication modules
Data transmission port 130, may be implemented to establish data with various types of measuring instrument 30 and communicates, and improve gas ductwork
Monitoring terminal 10 applicability.Control is carried out to valve opening by AO, AI cooperation and feeds back detection, it can be achieved that long distance wireless
Manually or automatically execute the switching motion of the motor-driven valve of gas ductwork.
In one embodiment, as shown in figure 4, providing a kind of monitoring system of gas ductwork, including monitoring center's clothes
It is engaged in device 20, and the gas ductwork described in any one embodiment as above communicated to connect with the monitoring center's server 20
Monitor terminal 10.
The monitoring system of above-mentioned gas ductwork, the monitoring terminal 10 of gas ductwork is using in NB-IoT communications realization and monitoring
The data interchange of central server 20, compared to the GPRS communication technologys of the use of monitoring terminal 10 of existing gas ductwork, NB-IoT
Communicate the advantage for having expense low and efficient；Display screen 140 is triggered by the Magnetic sucking switch 150 of setting to open, user can be with
Display screen 140 is opened using such as magnetic pen of magnetic bodies 40 or magnetic antenna triggering Magnetic sucking switch 150, it is easy to use and main
Controller 110 can control display screen 140 to be automatically closed or reduce the prison of gas ductwork into dormant state with the amount of saving energy
Survey the use cost of terminal 10.
Each technical characteristic of above example can be combined arbitrarily, to keep description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of monitoring terminal of gas ductwork, which is characterized in that including：
Master controller, and connect respectively with the master controller NB-IoT communication modules, data transmission port, display screen and
Magnetic sucking switch；
The NB-IoT communication modules are connected with NB-IoT antennas, are communicated to connect for being established with monitoring center's server；
The data transmission port carries out data interchange for connecting measuring instrument, and with the measuring instrument；
The display screen is used to show the monitoring information of the measuring instrument；
The Magnetic sucking switch is used under magnetic bodies triggering be attracted, and triggers display screen described in the main controller controls and opens；
The master controller acquires the monitoring number of the measuring instrument every setting time interval by the data transmission port
The monitoring data are sent to monitoring center's server according to and by the NB-IoT communication modules, and are opened in the display screen
When opening up to setting time, the display screen is closed.
2. the monitoring terminal of gas ductwork according to claim 1, which is characterized in that further include flame proof casing；
The master controller is set in the flame proof casing, the display screen and data transmission port be embedded at it is described every
On quick-fried casing, the Magnetic sucking switch is set on the inside of the display screen on the flame proof casing.
3. the monitoring terminal of gas ductwork according to claim 1, which is characterized in that further include：With the master controller
The power supply module of connection；
The power supply module connection external power supply and lithium battery；
Power supply module described in the main controller controls is powered when access has external power supply using external power supply, and is switched to
Work online pattern；When not accessing external power supply, using lithium battery power supply, and it is switched to low power mode of operation.
4. the monitoring terminal of gas ductwork according to claim 3, which is characterized in that further include：With the power supply module
The isolated power supply output module of connection, the input terminal of the output end connection intrinsically safe circuit of the isolated power supply output module are described
The output end of intrinsically safe circuit is powered for connecting measuring instrument for the measuring instrument.
5. the monitoring terminal of gas ductwork according to any one of claims 1 to 4, which is characterized in that further include：
The 4G communication modules being connect with the master controller, the 4G communication modules are connected with 4G antennas, are used for and monitoring center
Server establishes communication connection；
And/or
The bluetooth module being connect with the master controller, the bluetooth module are used for exterior terminal equipment into row data communication.
6. the monitoring terminal of gas ductwork according to any one of claims 1 to 4, which is characterized in that the monitor
Table includes pressure sensor, leakage alarm, flowmeter and/or motor-driven valve.
7. the monitoring terminal of gas ductwork according to claim 6, which is characterized in that the data transmission port includes AI
Interface, AO interfaces, DI interfaces, DO interfaces and 485 communication modules；
The master controller connects the pressure sensor by AI interfaces；
The master controller connects the leakage alarm by DI interfaces or 485 communication modules；
The master controller connects the flowmeter by 485 communication modules；
The master controller connects the motor-driven valve by AO interfaces with AI interfaces.
8. the monitoring terminal of gas ductwork according to any one of claims 1 to 4, which is characterized in that the display screen
For segment encode screen or OLED screen；
And/or
The Magnetic sucking switch is tongue tube.
9. the monitoring terminal of gas ductwork according to any one of claims 1 to 4, which is characterized in that the main control
When the Analysis on monitoring data result of acquisition is the first alarm level of triggering, the monitoring terminal for controlling gas ductwork is switched to device
Work online pattern；Master controller controls combustion gas when the Analysis on monitoring data result of acquisition is the second alarm level of triggering
The monitoring terminal of pipe network is switched to critical activity pattern；Master controller is being normal condition when the Analysis on monitoring data result of acquisition
When, then the monitoring terminal for controlling gas ductwork is switched to low power mode of operation.
10. a kind of monitoring system of gas ductwork, which is characterized in that including monitoring center's server, and in the monitoring
The monitoring terminal of the gas ductwork as described in claim 1 to 9 any one of central server communication connection.
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| CN201810811973.1A CN108803440A (en) | 2018-07-23 | 2018-07-23 | The monitoring terminal and system of gas ductwork |
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| CN201810811973.1A CN108803440A (en) | 2018-07-23 | 2018-07-23 | The monitoring terminal and system of gas ductwork |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109632155A (en) * | 2018-12-19 | 2019-04-16 | 上海建工集团股份有限公司 | Single-point type acquires device and method without uniaxial stress |
| CN110501960A (en) * | 2019-09-17 | 2019-11-26 | 江苏德高物联技术有限公司 | A kind of divergence type remote terminal control system and method |
| CN111263426A (en) * | 2020-01-20 | 2020-06-09 | 广东工贸职业技术学院 | Remote monitoring method and system |
| CN114189035A (en) * | 2020-08-24 | 2022-03-15 | 成都秦川物联网科技股份有限公司 | Power supply method for Internet of things intelligent gas meter |
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| CN109632155A (en) * | 2018-12-19 | 2019-04-16 | 上海建工集团股份有限公司 | Single-point type acquires device and method without uniaxial stress |
| CN110501960A (en) * | 2019-09-17 | 2019-11-26 | 江苏德高物联技术有限公司 | A kind of divergence type remote terminal control system and method |
| CN111263426A (en) * | 2020-01-20 | 2020-06-09 | 广东工贸职业技术学院 | Remote monitoring method and system |
| CN114189035A (en) * | 2020-08-24 | 2022-03-15 | 成都秦川物联网科技股份有限公司 | Power supply method for Internet of things intelligent gas meter |
| CN114189035B (en) * | 2020-08-24 | 2024-03-26 | 成都秦川物联网科技股份有限公司 | Intelligent fuel gas meter power supply method based on Internet of things |
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Application publication date: 20181113 |