CN109637091A - Sulfur hexafluoride gas leakage monitoring system based on Internet of Things - Google Patents
Sulfur hexafluoride gas leakage monitoring system based on Internet of Things Download PDFInfo
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- CN109637091A CN109637091A CN201811616449.5A CN201811616449A CN109637091A CN 109637091 A CN109637091 A CN 109637091A CN 201811616449 A CN201811616449 A CN 201811616449A CN 109637091 A CN109637091 A CN 109637091A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/14—Toxic gas alarms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/0001—Control or safety arrangements for ventilation
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- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
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- General Physics & Mathematics (AREA)
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- Emergency Alarm Devices (AREA)
Abstract
The sulfur hexafluoride gas leakage monitoring system based on Internet of Things that the invention discloses a kind of, including detection unit, master controller, cloud platform administrative unit, user terminal and several alarm units, blower；Gas concentration information is fed back to master controller for acquiring gas concentration information by detection unit；Main controller controls alarm unit and blower realize alarm and air draft；Meanwhile gas concentration information and warning message, air draft information are sent to cloud platform administrative unit and stored by binding time, and are sent to user terminal；User is consulted through cloud platform administrative unit by user terminal and is managed.The present invention can pass through monitoring data, start corresponding combined aural and visual alarm and blower, reduce the gas concentration in space, reduce the danger level that staff enters space, realize that the centralization to system equipment, data, a stationization manage, for the SF based on Internet of Things for establishing automation, informationization, networking, standardization6Detection alarm pattern device has established solid foundation.
Description
Technical field
The present invention relates to a kind of gas leakage monitoring systems, and in particular to a kind of sulfur hexafluoride gas based on Internet of Things is let out
Leak monitoring system.
Background technique
SF6It is widely used in GIS device as excellent insulating gas, aging and external cause due to equipment
(equipment quality, mounting process, sealing material) will cause SF in equipment6The leakage of gas causes local anoxic；The SF of leakage6
It can also be reacted with the water in air under the action of high pressure and generate H2S, the compounds such as HF, severe corrosion equipment threaten work
The health of personnel even life.
SF6Pharmacologically inert gas, low toxicity but have smothering action to human body, be a kind of asphyxiant, in higher concentrations
It can have difficulty in breathing, wheeze, skin and mucous membrane become blue, general spasticity.Suck 80% SF6Mixed gas a few minutes of+20% oxygen
Afterwards, human body will appear numb limb or even death by suffocation.Therefore, China provides, SF in operation room air6The permission of gas is dense
Degree is not more than 6g/m3Or oxygen content should be greater than 18% in air；Short term contact, SF in air6The safe level of gas is not more than
7.5g/m3。
Currently, SF in the market6Gas monitoring system can only realize the monitoring to terminal transmitter, not have cloud platform clothes
Business, cannot achieve the storage and management of data, it is also necessary to fixed staff carry out artificial data make a copy of, data monitoring and number
According to analysis, not only working efficiency is not high, but also error is easy in data transcription analytic process.
In addition, the equipment that the monitoring system of each manufacturer can only monitor oneself at present, cannot achieve different manufacturers offer
Seamless communication, information sharing and interoperability between monitoring system.
Summary of the invention
To solve the deficiencies in the prior art, the purpose of the present invention is to provide one kind can be by real-time early warning, monitoring, long-range
It operates, the sulfur hexafluoride gas leakage monitoring system based on Internet of Things of tidal data recovering.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
SF based on Internet of Things6Gas leakage monitoring system, including detection unit, master controller, cloud platform administrative unit, user
Terminal and several alarm units, blower；
The detection unit includes several being built-in with SF6The gas detection transducer of sensor, for acquiring gas concentration information,
And gas concentration information is fed back into master controller；
The master controller built-in time module generates warning message, air draft information according to the gas concentration information of feedback, respectively
It is sent to alarm unit and blower, realizes alarm and air draft；Meanwhile binding time information is by gas concentration information and alarm signal
Breath, air draft information are sent to the storage of cloud platform administrative unit, and are sent to user terminal through cloud platform administrative unit；
User consults gas concentration information, warning message, air draft information and management through cloud platform administrative unit by user terminal
Alarm unit.
Above-mentioned gas detects transmitter, and position setting includes three-level distributed point: level-one is that gas leaks origin, and second level is behaved
Member's point off density, three-level are wind path blind spot and wind path node.
Above-mentioned alarm unit includes combined aural and visual alarm, and position setting includes three-level node: level-one is that gas leaks origin, two
Grade is personnel's point off density, and three-level is inlet port.
Above-mentioned blower is disposed adjacent with gas detection transducer, and position setting includes three-level distributed point: level-one is let out for gas
Origin is leaked, second level is personnel's point off density, and three-level is wind path blind spot and wind path node.
Further, the pedestal of above-mentioned blower is equipped with shaft, by main controller controls, presets and the matched angle of wind path.
The above-mentioned sulfur hexafluoride gas leakage monitoring system based on Internet of Things, further include it is several respectively with gas detection become
The infrared sensor of the human body that device is disposed adjacent is sent, feeds back infrared human body detection information to master controller.
The gas concentration information that above-mentioned master controller is fed back according to gas detection transducer generates the variation speed of gas concentration
Rate, and user terminal is sent to through cloud platform administrative unit.
Above-mentioned gas detects transmitter and also feeds back SF to master controller and cloud platform administrative unit6The equipment of sensor is believed
Breath, including fault message, self-test measurement information.
The alarm of gas concentration information realization and air draft that above-mentioned main controller controls are fed back according to gas detection transducer
Method, comprising the following steps:
The number of S1, master controller recognition detection transmitter, while the gas concentration N of identification is included into concentration range；
The concentration range includes low concentration region, middle concentration range, high concentration region,
If N is included into low concentration region: it is transferred to step S2,
If N is included into middle concentration range: it is transferred to step S3,
If N is included into high concentration region: being transferred to step S4；
S2, master controller open corresponding blower according to the number of the detection transmitter of feedback；
S3, master controller open the blower and alarm unit of corresponding wind path according to the number of gas detection transducer；
S4, master controller open all blower and alarm unit according to the number of gas detection transducer.
Above-mentioned cloud platform administrative unit include data center, historical data, early warning information, equipment management, administrative center and
Tactical management；
The data center be used to store the gas concentration information corresponding with temporal information on the same day, warning message, air draft information,
Facility information and infrared human body detection information；
The historical data is for storing gas concentration information corresponding with temporal information of the non-same day, warning message, air draft letter
Breath, facility information and infrared human body detection information；
When the warning information is included into middle concentration range, high concentration region for storing N, gas corresponding with temporal information is dense
Spend information, warning message, air draft information and infrared human body detection information；
The equipment that the equipment management is used to store gas detection transducer, infrared sensor of the human body, blower, combined aural and visual alarm
Information, including number, position setting, operating parameter and blower shaft predetermined angle, SF6The fault message of sensor, from
Detection information；
The administrative center is used for through management of the user terminal to cloud platform administrative unit, including to above-mentioned data increasing,
Delete, change, the setting of access and time, the predetermined angle setting of shaft, concentration range it is default.
Above-mentioned user terminal includes mobile phone, tablet computer.
The invention has the beneficial effects that:
Sulfur hexafluoride gas leakage monitoring system based on Internet of Things of the invention, can connect multiple detection units, it can be achieved that right
The monitoring of difference detection transmitter state；Cloud platform management module can connect multiple multi-way contral lists by GPRS communication module
Member, may be implemented different manufacturers, the information of multiple transmitters of different model uploads, and overcome different manufacturers currently on the market
The disadvantage that system detection information seamless can not be checked, cannot be interacted.
This system can realize fault pre-alarming, when monitoring abnormal data, can be mentioned by starting corresponding combined aural and visual alarm
There are abnormal conditions in the staff to wake up in region；SF in space can be reduced by starting corresponding blower6The concentration of gas,
Reduce the danger level that staff enters space investigation failure.
This system medium cloud platform management unit can store data information, realize the centralization to devices in system, data,
One stationization management, for the SF based on Internet of Things for establishing automation, informationization, networking, standardization6Detect alarm pattern dress
It sets and has established solid foundation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the sulfur hexafluoride gas leakage monitoring system of the invention based on Internet of Things.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the sulfur hexafluoride gas leakage monitoring system of the invention based on Internet of Things, including detection unit,
Multichannel alarm controller, cloud platform administrative unit and user terminal；
Detection unit includes built-in SF6Gas detection transducer, the infrared sensor of the human body of sensor；And position is disposed adjacent,
And including three-level distributed point: level-one is that gas leaks origin, and second level is personnel's point off density, and three-level is wind path blind spot and wind path section
Point.
Gas concentration information is transferred to for acquiring gas concentration information by communication interface by gas detection transducer
Multichannel alarm controller, communication interface include USB interface, RS485 interface, serial communication interface or ZigBee module.
Infrared sensor of the human body is for detecting current region infrared human body detection information, existing people predominantly in region
Quantity, and infrared human body detection information is transferred to multichannel alarm controller.
Multichannel alarm controller includes that the master controller, combined aural and visual alarm, bottom of built-in time module are equipped with shaft
Blower.
Master controller receives the gas concentration information of gas detection transducer feedback, and to different detection unit transmission
Information is identified (label and processing), meanwhile, warning message, air draft information are generated according to the gas concentration information of identification, point
It is not sent to alarm unit and blower, realizes alarm and air draft；Meanwhile binding time information is by gas concentration information and alarm signal
Breath, air draft information are sent to the storage of cloud platform administrative unit, and cloud platform administrative unit leads to above- mentioned information by WiFi, 3G/4G
Believe that sending short message/mail to user terminal is reminded；User terminal includes mobile phone terminal and plate computer end；
Method the following steps are included:
The number of S1, master controller recognition detection transmitter, while the gas concentration N of identification is included into concentration range；
If N is included into low concentration region: it is transferred to step S2,
If N is included into middle concentration range: it is transferred to step S3,
If N is included into high concentration region: being transferred to step S4；
S2, master controller open corresponding blower according to the number of the detection transmitter of feedback；That is, detecting at any time, arrange at any time
Wind；
S3, master controller open all blowers of corresponding wind path according to the number of the gas detection transducer of level-one distributed point
And alarm unit；
S4, master controller open all blower and alarm unit according to the number of the gas detection transducer of level-one distributed point,
Reinforce the air draft of entire working space.
Cloud platform administrative unit includes data center, historical data, early warning information, equipment management, administrative center and strategy
Management；
Data center is used to store gas concentration information corresponding with temporal information, the warning message, air draft information, equipment on the same day
Information and infrared human body detection information；
Historical data is for storing gas concentration information corresponding with temporal information of the non-same day, warning message, air draft information, equipment
Information and infrared human body detection information；
When warning information is included into middle concentration range, high concentration region for storing gas concentration N, gas corresponding with temporal information
Concentration information, warning message, air draft information and infrared human body detection information；
Equipment management is used to store the facility information of gas detection transducer, infrared sensor of the human body, blower, combined aural and visual alarm,
The predetermined angle of shaft including number, position setting, operating parameter and blower, SF6Fault message, the self-test of sensor
Information；
Administrative center is used for through management of the user terminal to cloud platform administrative unit, including to above-mentioned data increasing, delete, change,
It consults and the time is arranged, the predetermined angle of shaft is arranged, the setting of the default of concentration range, wind path.
And in actual use, according to the gas detection transducer of level-one distributed point, i.e., the position of sulfur hexafluoride gas is easily leaked
The position with exhaust outlet is set, the most short principle in air draft path is based on, presets several air draft wind paths, while two be coupled on the wind path
Grade, the gas detection transducer of three-level distributed point, combined aural and visual alarm and blower.
According to the position that different gas detection transducers is arranged, corresponding concentration range is set.
When the gas concentration N of detection is included into low concentration region, which is in the receivable safe range of human body, because
This only opens blower, and evacuated gas reduces concentration；Meanwhile with SF6Discharge, along wind path gas detection transducer detect
It to corresponding concentration, successively feeds back detectable concentration and opens blower accordingly, along wind path successively air draft, until discharge working region.
When the gas concentration N of detection is included into middle concentration range, master controller identifies the number of the gas detection transducer,
Master controller is based on the number and selects preset wind path, and opens all combined aural and visual alarms and blower being coupled on the wind path,
Combined aural and visual alarm is alarmed evacuation personnel in advance, and blower is opened in advance, is formed air duct, is reinforced the SF to leak6The rate of gas discharge.
When the gas concentration N of detection is included into high concentration region, master controller opens all acousto-optics in working region
Alarm and blower, including wind path blind spot；Prevent the SF of high concentration6Gas because discharge not in time or gas dissipate overflow, in part (wind
Road blind spot) siltation, the personnel for having little time to walk during evacuating or evacuating are damaged.
The infrared human body detection information (quantity of people) of infrared sensor of the human body detection is used to confirm the number of personnel to be evacuated
Amount, it is ensured that the personal safety of staff.
Pass through user terminal: when critical, can check the security information of staff, verification quantity and positioning belt evacuation in real time
The Position Approximate of personnel, the concentration information in working region after gas discharge enter back into detection, increase testing staff without personnel
Risk；And after crisis, can have by Data Detection, verification, the data that especially gas concentration N is included into low concentration region
Easy leakage point is targetedly detected, is discharged in time critical.
Further, it for the company equipped with multiple factories, can be carried out in data set by cloud platform administrative unit, it is unified
Management, more convenient, efficiency.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation
Technical solution is fallen within the scope of protection of the present invention.
Claims (10)
1. the sulfur hexafluoride gas leakage monitoring system based on Internet of Things, which is characterized in that including detection unit, master controller,
Cloud platform administrative unit, user terminal and several alarm units, blower；
The detection unit includes several being built-in with SF6The gas detection transducer of sensor, for acquiring gas concentration information,
And gas concentration information is fed back into master controller；
The master controller built-in time module generates warning message, air draft information according to the gas concentration information of feedback, respectively
It is sent to alarm unit and blower, realizes alarm and air draft；Meanwhile binding time information is by gas concentration information and alarm signal
Breath, air draft information are sent to the storage of cloud platform administrative unit, and are sent to user terminal through cloud platform administrative unit；
User consults gas concentration information, warning message, air draft information and management through cloud platform administrative unit by user terminal
Alarm unit.
2. the sulfur hexafluoride gas leakage monitoring system according to claim 1 based on Internet of Things, which is characterized in that described
Gas detection transducer, position setting include three-level distributed point: level-one be gas leak origin, second level be personnel's point off density, three
Grade is wind path blind spot and wind path node.
3. the sulfur hexafluoride gas leakage monitoring system according to claim 1 based on Internet of Things, which is characterized in that described
Alarm unit includes combined aural and visual alarm, and position setting includes three-level node: level-one is that gas leaks origin, and second level is densely populated place
Point, three-level are inlet port.
4. the sulfur hexafluoride gas leakage monitoring system according to claim 1 based on Internet of Things, which is characterized in that described
Blower is disposed adjacent with gas detection transducer, and position setting includes three-level distributed point: level-one is that gas leaks origin, and second level is
Densely populated place point, three-level are wind path blind spot and wind path node.
5. the sulfur hexafluoride gas leakage monitoring system according to claim 3 based on Internet of Things, which is characterized in that described
The pedestal of blower is equipped with shaft, by main controller controls, presets and the matched angle of wind path.
6. the sulfur hexafluoride gas leakage monitoring system according to claim 3 based on Internet of Things, which is characterized in that also wrap
Several infrared sensor of the human body being disposed adjacent respectively with gas detection transducer are included, to master controller feedback infrared human body detection
Information.
7. the sulfur hexafluoride gas leakage monitoring system according to claim 1 based on Internet of Things, which is characterized in that described
The gas concentration information that master controller is fed back according to gas detection transducer, generates the rate of change of gas concentration, and through Yun Ping
Platform administrative unit is sent to user terminal.
8. the sulfur hexafluoride gas leakage monitoring system according to claim 1 based on Internet of Things, which is characterized in that described
Gas detection transducer is also to the facility information of master controller and cloud platform administrative unit feedback SF6 sensor, including failure letter
Breath, self-test measurement information.
9. -8 any sulfur hexafluoride gas leakage monitoring system based on Internet of Things, feature exist according to claim 1
In, the method for gas concentration information realization alarm and air draft that the main controller controls are fed back according to gas detection transducer,
The following steps are included:
The number of S1, master controller recognition detection transmitter, while the gas concentration N of identification is included into concentration range；
The concentration range includes low concentration region, middle concentration range, high concentration region,
If N is included into low concentration region: it is transferred to step S2,
If N is included into middle concentration range: it is transferred to step S3,
If N is included into high concentration region: being transferred to step S4；
S2, master controller open corresponding blower according to the number of the detection transmitter of feedback；
S3, master controller open the blower and alarm unit of corresponding wind path according to the number of gas detection transducer；
S4, master controller open all blower and alarm unit according to the number of gas detection transducer.
10. the sulfur hexafluoride gas leakage monitoring system according to claim 9 based on Internet of Things, which is characterized in that institute
Stating cloud platform administrative unit includes data center, historical data, early warning information, equipment management, administrative center；
The data center be used to store the gas concentration information corresponding with temporal information on the same day, warning message, air draft information,
Facility information and infrared human body detection information；
The historical data for store gas concentration information corresponding with temporal information of the non-same day, warning message, air draft information,
Facility information and infrared human body detection information；
When the warning information is included into middle concentration range, high concentration region for storing N, gas concentration corresponding with temporal information
Information, warning message, air draft information and infrared human body detection information；
The equipment management is used to store the equipment letter of gas detection transducer, infrared sensor of the human body, blower, combined aural and visual alarm
Breath, including number, position setting, operating parameter and blower shaft predetermined angle, the fault message of SF6 sensor, self-test
Measurement information；
The administrative center is used for through management of the user terminal to cloud platform administrative unit, including to above-mentioned data increasing, delete,
Change, the setting of access and time, the predetermined angle setting of shaft, concentration range it is default.
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| CN110533309A (en) * | 2019-08-16 | 2019-12-03 | 江苏生久环境科技有限公司 | A kind of garbage transfer station cloud platform management method, storage medium |
| CN111508206A (en) * | 2020-04-15 | 2020-08-07 | 广东电网有限责任公司 | Indoor SF6 gas alarm device |
| CN112816303A (en) * | 2021-01-25 | 2021-05-18 | 国网河北省电力有限公司衡水供电分公司 | Sulfur hexafluoride gas leakage monitoring system and method based on Internet of things |
| CN113124523A (en) * | 2020-12-10 | 2021-07-16 | 上海国恩电力科技有限公司 | Intelligent poison-measuring and ventilation integrated equipment and ventilation method for electric power well |
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Application publication date: 20190416 |