CN207457822U - A kind of natural gas pressure regulating station remote monitoring system based on MOBUS agreements - Google Patents
A kind of natural gas pressure regulating station remote monitoring system based on MOBUS agreements Download PDFInfo
- Publication number
- CN207457822U CN207457822U CN201721529151.1U CN201721529151U CN207457822U CN 207457822 U CN207457822 U CN 207457822U CN 201721529151 U CN201721529151 U CN 201721529151U CN 207457822 U CN207457822 U CN 207457822U
- Authority
- CN
- China
- Prior art keywords
- natural gas
- resistance
- monitoring system
- pressure regulating
- gas pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model discloses a kind of natural gas pressure regulating station remote monitoring system based on MOBUS agreements, the multiple data collection stations being connected comprising monitor terminal and with it by remote transmission module；Each data collection station includes slave computer and on-site electrical equipment connected to it；For the data collection station also comprising light-coupled isolation module, the on-site electrical equipment connects slave computer by light-coupled isolation module；The utility model is for natural gas pressure regulating station spacing is remote, dispersion degree is high, and traditional wired monitor and control system cannot be competent at the problem of monitoring work of voltage regulating station completely, with data remote transmission module, with reference to a set of natural gas remote monitoring system of STM32 and MODBUS agreements, realize the wireless remote monitering of natural gas, satisfaction is a wide range of, monitors demand at a distance.
Description
Technical field
The utility model belongs to field of intelligent monitoring more particularly to a kind of natural gas pressure regulating station based on MOBUS agreements is remote
Range monitoring system.
Background technology
Natural gas transmission coverage is very wide, and in the transmission of natural gas, discharge pressure and control are provided to natural gas
The natural gas pressure regulating station of flow is distributed in each area.Traditional natural gas pressure regulating station monitoring system is controlled using manual,
It can not realize automation, long-range, the centralization operation of data monitoring.Particularly the transmission of data is all the time using scene
Cabling, it is impossible to which realization is remote to be monitored in real time, under the background greatly promoted in current natural gas dosage, is developed reliable, practicality
Natural gas remote automation monitoring system can greatly improve the production management efficiency of natural gas.
Utility model content
Technical problem to be solved in the utility model is deficiency offer one kind for background technology based on MOBUS agreements
Natural gas pressure regulating station remote monitoring system, realize a kind of new natural gas remote monitoring system, fully meet natural gas
The automatic monitoring performance requirement of teledata and the natural gas pressure regulating station data message automatic collection index request of remote mountain areas.
The utility model uses following technical scheme to solve above-mentioned technical problem
A kind of natural gas pressure regulating station remote monitoring system based on MOBUS agreements, passes through comprising monitor terminal and with it
Multiple data collection stations of remote transmission module connection；
Each data collection station includes slave computer and on-site electrical equipment connected to it；
Also comprising light-coupled isolation module, the on-site electrical equipment is connected the data collection station by light-coupled isolation module
Connect slave computer；
Wherein, light-coupled isolation module includes optocoupler U1, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th
Resistance and triode V1, connect one end of second resistance on the IN1 input terminals of optocoupler U1 by first resistor, second resistance it is another
+ 12V the voltage ends of one end connection optocoupler U1, the current collection that the cathode output end of optocoupler U1 passes through 3rd resistor connecting triode V1
Pole, the cathode output end of optocoupler U1 connect one end of the 4th resistance and one end of the 5th resistance, the other end connection of the 4th resistance
The base stage of triode V1, the emitter of the other end connecting triode V1 of the 5th resistance.
As a kind of the further preferred of natural gas pressure regulating station remote monitoring system based on MOBUS agreements of the utility model
Scheme, the electrical equipment include pressure transmitter, temperature transmitter, combustible gas probe, flowmeter plus smelly controller.
As a kind of the further preferred of natural gas pressure regulating station remote monitoring system based on MOBUS agreements of the utility model
Scheme, the remote transmission module include sequentially connected multiplexer switch, 232 modules, DTU module, Ethernet.
As a kind of the further preferred of natural gas pressure regulating station remote monitoring system based on MOBUS agreements of the utility model
Scheme, the electric power system of data collection station include alternating current, EMI filter modules, circuit handover module, battery back-up module, institute
Alternating current is stated successively by EMI filter modules, circuit handover module connection battery back-up module.
As a kind of the further preferred of natural gas pressure regulating station remote monitoring system based on MOBUS agreements of the utility model
Scheme, the model AMC4601 of the multiplexer switch.
The utility model compared with prior art, has following technique effect using above technical scheme：
1st, the utility model for natural gas pressure regulating station spacing is remote, dispersion degree is high and traditional wired monitor and control system not
The problem of monitoring work of voltage regulating station can be competent at completely, with data remote transmission module, with reference to STM32 and MODBUS agreements
A set of natural gas remote monitoring system realizes the wireless remote monitering of natural gas, and satisfaction is a wide range of, monitors demand at a distance；
2nd, the utility model uses light-coupled isolation module, effectively in industry spot due to bad environments, in acquisition signal
When, while to accomplish to isolate；
3rd, the battery back-up module of the utility model：External power supply accidental interruption in order to prevent devises reserve battery mould
Block, when external circuit works normally, battery is not powered；When external power supply interrupts, battery to system power supply, ensures system immediately
It is normal to make altogether.
Description of the drawings
Fig. 1 is the system construction drawing of the utility model；
Fig. 2 is the circuit diagram of the utility model light-coupled isolation module.
Specific embodiment
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of natural gas pressure regulating station remote monitoring system based on MOBUS agreements, comprising monitor terminal with
And the multiple data collection stations being connected with it by remote transmission module；The utility model is directed to natural gas pressure regulating station spacing
Far, it is the problem of dispersion degree height and traditional wired monitor and control system cannot be competent at the monitoring work of voltage regulating station completely, remote with data
Journey transport module with reference to a set of natural gas remote monitoring system of STM32 and MODBUS agreements, realizes the radio remote of natural gas
Range monitoring, satisfaction is a wide range of, monitors demand at a distance.
Each data collection station includes slave computer and on-site electrical equipment connected to it；
Data acquisition hardware framework.The on-site electrical equipment data in each place are distributed in by core controller
The slave computer acquisition of STM32F103RC chip controls, communicates with the flowmeter calculating instrument of bottom, with transmitter and detection
Device carries out analog acquisition.Collected on-site electrical equipment mainly includes pressure transmitter, temperature transmitter, combustible gas detecting
Device, flowmeter, stop valve plus smelly controller.
Main control chip：STM32F103RC chips are the enhanced microcontrollers that ST companies release, and kernel is public using ARM
The high-performance Cortex-M3 of department possesses the flash storage of 512 KB, integrates reset circuit, accurate RC oscillators and low
Pressure detection, the only super low-power consumption of 36 mW during 72 MHz full speed operations, possesses multiple USART interfaces, performance fully meets day
The field data signal acquisition requirement of Ran Qi voltage regulating stations.
Also comprising light-coupled isolation module, the on-site electrical equipment is connected the data collection station by light-coupled isolation module
Connect slave computer；
Wherein, as shown in Fig. 2, light-coupled isolation module includes optocoupler U1, first resistor, second resistance, 3rd resistor, the 4th
Resistance, the 5th resistance and triode V1 connect one end of second resistance on the IN1 input terminals of optocoupler U1 by first resistor, the
+ 12V the voltage ends of the other end connection optocoupler U1 of two resistance, the cathode output end of optocoupler U1 pass through 3rd resistor connecting triode
The collector of V1, the cathode output end of optocoupler U1 connect one end of the 4th resistance and one end of the 5th resistance, the 4th resistance it is another
The base stage of one end connecting triode V1, the emitter of the other end connecting triode V1 of the 5th resistance.
The electrical equipment includes pressure transmitter, temperature transmitter, combustible gas probe, flowmeter plus smelly control
Device.
The remote transmission module includes sequentially connected multiplexer switch, 232 modules, DTU module, Ethernet.
The electric power system of data collection station includes alternating current, EMI filter modules, circuit handover module, battery back-up module,
The alternating current is successively by EMI filter modules, circuit handover module connection battery back-up module.The reserve battery of the utility model
Module：External power supply accidental interruption in order to prevent devises battery back-up module, and when external circuit works normally, battery is not
Power supply；When external power supply interrupts, battery immediately to system power supply, normally make altogether by guarantee system.The type of the multiplexer switch
Number be AMC4601.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiment of the utility model and from above-mentioned
The limitation of embodiment, the change made under other any Spirit Essences and principle without departing from the utility model are modified, replaced
Generation, combination simplify, and should be equivalent substitute mode, are included within the scope of protection of the utility model.
Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein（Including skill
Art term and scientific terminology）With the identical meaning of the general understanding with the those of ordinary skill in the utility model fields
Justice.It should also be understood that those terms such as defined in the general dictionary should be understood that with upper with the prior art
The consistent meaning of meaning hereinafter, and unless defined as here, will not with the meaning of idealization or overly formal come
It explains.
Above example is only to illustrate the technological thought of the utility model, it is impossible to the protection model of the utility model is limited with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical solution each falls within this reality
Within the scope of novel protected.The embodiment of the utility model is explained in detail above, but the utility model is not
It is limited to the above embodiment, within the knowledge of a person skilled in the art, this practicality can also be not being departed from
It is made a variety of changes on the premise of new objective.
Claims (5)
1. a kind of natural gas pressure regulating station remote monitoring system based on MOBUS agreements, it is characterised in that：Comprising monitor terminal and
The multiple data collection stations being connected with it by remote transmission module；
Each data collection station includes slave computer and on-site electrical equipment connected to it；
Also comprising light-coupled isolation module, the on-site electrical equipment is connected down the data collection station by light-coupled isolation module
Position machine；
Wherein, light-coupled isolation module includes optocoupler U1, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance
With triode V1, one end of second resistance, the other end of second resistance are connected on the IN1 input terminals of optocoupler U1 by first resistor
+ 12V the voltage ends of optocoupler U1 are connected, the cathode output end of optocoupler U1 passes through the collector of 3rd resistor connecting triode V1, light
The cathode output end of coupling U1 connects one end of the 4th resistance and one end of the 5th resistance, the other end connecting triode of the 4th resistance
The base stage of V1, the emitter of the other end connecting triode V1 of the 5th resistance.
2. a kind of natural gas pressure regulating station remote monitoring system based on MOBUS agreements according to claim 1, feature exist
In：The electrical equipment includes pressure transmitter, temperature transmitter, combustible gas probe, flowmeter plus smelly controller.
3. a kind of natural gas pressure regulating station remote monitoring system based on MOBUS agreements according to claim 1, feature exist
In：The remote transmission module includes sequentially connected multiplexer switch, 232 modules, DTU module, Ethernet.
4. a kind of natural gas pressure regulating station remote monitoring system based on MOBUS agreements according to claim 1, feature exist
In：The electric power system of data collection station includes alternating current, EMI filter modules, circuit handover module, battery back-up module, described
Alternating current is successively by EMI filter modules, circuit handover module connection battery back-up module.
5. a kind of natural gas pressure regulating station remote monitoring system based on MOBUS agreements according to claim 3, feature exist
In：The model AMC4601 of the multiplexer switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529151.1U CN207457822U (en) | 2017-11-16 | 2017-11-16 | A kind of natural gas pressure regulating station remote monitoring system based on MOBUS agreements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529151.1U CN207457822U (en) | 2017-11-16 | 2017-11-16 | A kind of natural gas pressure regulating station remote monitoring system based on MOBUS agreements |
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| Publication Number | Publication Date |
|---|---|
| CN207457822U true CN207457822U (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721529151.1U Expired - Fee Related CN207457822U (en) | 2017-11-16 | 2017-11-16 | A kind of natural gas pressure regulating station remote monitoring system based on MOBUS agreements |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107678413A (en) * | 2017-11-16 | 2018-02-09 | 无锡七百二十度科技有限公司 | A kind of natural gas pressure regulating station remote monitoring system based on MOBUS agreements |
-
2017
- 2017-11-16 CN CN201721529151.1U patent/CN207457822U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107678413A (en) * | 2017-11-16 | 2018-02-09 | 无锡七百二十度科技有限公司 | A kind of natural gas pressure regulating station remote monitoring system based on MOBUS agreements |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 Termination date: 20181116 |