CN110212643A - Substation's SF6 gaseous state based on NB-IoT technology monitors system - Google Patents
Substation's SF6 gaseous state based on NB-IoT technology monitors system Download PDFInfo
- Publication number
- CN110212643A CN110212643A CN201910523836.2A CN201910523836A CN110212643A CN 110212643 A CN110212643 A CN 110212643A CN 201910523836 A CN201910523836 A CN 201910523836A CN 110212643 A CN110212643 A CN 110212643A
- Authority
- CN
- China
- Prior art keywords
- temperature
- sensor
- data
- valve body
- substation
- 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.)
- Granted
Links
- 238000005516 engineering process Methods 0.000 title claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 30
- 238000012544 monitoring process Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000013500 data storage Methods 0.000 claims abstract description 10
- 210000000352 storage cell Anatomy 0.000 claims abstract description 10
- 229910018503 SF6 Inorganic materials 0.000 claims description 64
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 62
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 30
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 29
- 238000009413 insulation Methods 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 24
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 claims description 10
- AXZTUJBZCDBEOT-UHFFFAOYSA-N argon lithium Chemical group [Li].[Ar] AXZTUJBZCDBEOT-UHFFFAOYSA-N 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000012780 transparent material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 239000004417 polycarbonate Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 206010067472 Organising pneumonia Diseases 0.000 claims description 3
- 208000023367 bronchiolitis obliterans with obstructive pulmonary disease Diseases 0.000 claims description 3
- 201000009805 cryptogenic organizing pneumonia Diseases 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000001307 helium Substances 0.000 claims description 3
- 229910052734 helium Inorganic materials 0.000 claims description 3
- 238000001819 mass spectrum Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 230000008676 import Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- H02J13/0075—
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of, and substation's SF6 gaseous state based on NB-IoT technology monitors system, it can be in distal end real-time monitoring SF6 gaseous state, help to provide a kind of practicable fault pre-alarming scheme for equipment safety operation, working level and work quality are improved, big data work is run for the equipment that intelligence fortune is examined and prepares.The present invention includes the monitoring terminal unit for being located at terminal unit, is used for transmission the data display unit that the data for monitoring terminal unit connect and be used for display data to the communication channel unit of Back end data store unit and with data storage cell；The monitoring terminal unit includes that the temperature sensor being installed on substation's SF6 density monitor installs component additional, and it includes temperature and pressure transmitter that the temperature sensor, which installs component additional,；NB-IoT module is provided in the temperature and pressure transmitter；Temperature and pressure transmitter passes through the wireless telecommunications of NB-IoT module with display instrument on the spot；The radio communication network of all display instruments on the spot and communication channel unit is wirelessly connected.
Description
Technical field
The present invention relates to a kind of substation SF6 condition monitoring systems, specifically for all SF6 density monitors of substation
Temperature, pressure data monitoring.
Background technique
SF6 density monitor is protection and control element important in SF6 electrical equipment, in the reliability service for guaranteeing equipment
In play the role of vital, operating pressure (P), temperature (T) and " density " value (P20) of SF6 gas, it is necessary to reach related
The regulation of standard makes SF6 electrical equipment keep good working order for a long time.But 90% or more SF6 electrical equipment monitors hand
Section is pointer SF6 density monitor, and this relay does not have data remote function, can not remotely monitor gas pressure and temperature
Degree only shows " density " value (P20).With the development of China's industrial technology, some electrical power enterprise has also carried out replacement telemetering type
SF6 density monitor, but in replacement process, construction volume is huge, consumes a large amount of manpower and material resources.
In view of the above problems, service personnel is highly desirable to be changed the status quo by advanced scientific and technological means, realization pair
The gaseous state of SF6 electrical equipment remotely monitors.My company research staff has developed as background based on ubiquitous Internet of Things
The SF6 gas-dynamic monitoring technology of NB-IoT wireless communication mode, can in distal end real-time monitoring SF6 gaseous state, and according to
Monitoring data are analyzed, and provide a kind of practicable fault pre-alarming scheme for equipment safety operation, improve working level and
Work quality is prepared for the equipment operation big data work of intelligence fortune inspection.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of based on NB-
Substation's SF6 gaseous state of IoT technology monitors system, can facilitate in distal end real-time monitoring SF6 gaseous state to set
Standby safe operation provides a kind of practicable fault pre-alarming scheme, improves working level and work quality, for intelligence fortune inspection
Equipment operation big data work is prepared.
In order to achieve the above object, the present invention is achieved by the following scheme:
Substation's SF6 gaseous state based on NB-IoT technology monitors system, the monitoring terminal comprising being located at terminal unit
Unit, the data for being used for transmission monitoring terminal unit are stored to the communication channel unit of Back end data store unit and with data
Unit connection and the data display unit for being used for display data；
The monitoring terminal unit includes that the temperature sensor being installed on substation's SF6 density monitor installs component additional,
It includes temperature and pressure transmitter that the temperature sensor, which installs component additional,；NB-IoT mould is provided in the temperature and pressure transmitter
Block；Temperature and pressure transmitter passes through the wireless telecommunications of NB-IoT module with display instrument on the spot；All display instruments on the spot and communication channel
The radio communication network of unit is wirelessly connected；
The data storage cell includes electric power things-internet gateway, the safety of electric power things-internet gateway and the embedded port CMA
Technology platform connection；Safety Technology Platform and main website communication connection and Safety Technology Platform and the data of data display unit are shown
Platform connection；Main website is connect with the PMS system of data display unit；
The temperature and pressure transmitter includes sensor mounting head and the collar plate shape for being fixed on sensor installation cephalic par
Boss is arranged in the surface of mounting plate, mounting plate, and light permeable protection is threaded in the outer end face of the boss, and light permeable protection
Sensor sealing ring is set between boss；It is further fixed on supporting studs on the mounting plate, is fixed in supporting studs
Sensor is arranged in lower circuit board, lower circuit board center, and sensor passes through lower circuit board；The surface of lower circuit board is provided with conductive insert
Seat, on electrically conductive socket in grafting circuit board conductive plug；Battery is fixed at upper circuit board center, is further fixed on nothing on upper circuit board
Line transmitting antenna and NB-IoT module；The sensor includes pressure sensor and temperature sensor device；The light permeable protection
End face far from boss is end cap made from electromagnetic wave transparent material；The sensor mounting head radially installed has rubber pad；The rubber
Pad is fluorubber pad；
Photovoltaic bracket is plugged on boss inside the light permeable protection, the cross section of photovoltaic bracket is regular polygon,
Photovoltaic panel is fixedly installed on each side of photovoltaic bracket；It is also provided on the boss and is looped around the boss periphery
On antenna slot in antenna；The antenna is also used for the locating rod being plugged in boss.
As a kind of preferred embodiment of the invention: the temperature sensor installs component additional and installs additional comprising temperature sensor
Component I and temperature sensor install component II additional；It includes four-way valve body that temperature sensor, which installs component I additional, and the top of four-way valve body is pacified
Valve is filled, the bottom installation of four-way valve body is for connecting the sulfur hexafluoride ontology interface of conducting with sulfur hexafluoride apparatus body；Four
One end face of port valve body is provided with the table interface for connecting conducting with the relay gas path joint, on four-way valve body with table
It is provided with tonifying Qi interface on an opposite end face of interface, on four-way valve body, the peace adjacent with the table interface and tonifying Qi interface
Equipped with a temperature and pressure transmitter；
The temperature and pressure transmitter that the temperature sensor installs component II additional is mounted on the benefit of sulfur hexafluoride density relay
Gas extends on mouth, and it includes triple-valve body, triple valve that temperature sensor, which installs the sulfur hexafluoride density relay that component II is installed additional,
Body extends mouth by relay and connect with sulfur hexafluoride density relay, other two mouth of triple-valve body is sulfur hexafluoride respectively
Equipment installing port and tonifying Qi extend mouth.
As a kind of preferred embodiment of the invention: the light permeable protection is light transmission polycarbonate protective cover；It is described
Battery is lithium argon battery；The photovoltaic panel is electrically connected by rectifier with lithium argon battery；The diameter of the light permeable protection is
36mm；Height is 35mm.
As a kind of preferred embodiment of the invention: the upper surface size of the light permeable protection is less than lower surface size
And the outer surface of light permeable protection is symmetrically arranged with inclined hole；The opening of the inclined hole is located on outer surface, the inclined hole
Including left side inclined hole and right side inclined hole, the left side inclined hole is directed toward lower surface；The right side inclined hole is directed toward upper surface.
As a kind of preferred embodiment of the invention: the mounting plate is pedestal, and the bottom end of the pedestal is to combine one
Insulate anti-theft nut, and the bottom end outer rim of pedestal has external screw thread, and the insulation anti-theft nut top is that have and the external screw thread pair
The first internal screw thread that should be screwed togather, and the bottom end inner edge of pedestal is that separately have internal screw thread, and the insulation anti-theft nut bottom end is that separately have
There is the second internal screw thread, second internal screw thread and the internal screw thread of the pedestal bottom end and are somebody's turn to do for same-handed direction and corresponding linking
Second internal screw thread and first internal screw thread are for opposite helical direction, i.e. the first internal screw thread of the insulation anti-theft nut and the pedestal
External screw thread be designed to opposite tooth；When the pedestal is tightened when erection joint, the insulation anti-theft nut is again with equidirectional
It is tightened in the pedestal, the pedestal is enabled to be embedded in the insulation anti-theft nut, wherein the insulation anti-theft nut is that have outside special
Shape, it is necessary to it begins to unscrew with specialized hand tool, if opening the insulation anti-theft nut without using specialized hand to have, and unarmed opposite direction
The pedestal is rotated, the combination of the insulation anti-theft nut and the pedestal will be caused more and more tighter, enables purlonier that can not manually take this away
The temperature and pressure transmitter of invention reaches antitheft effect.
As a kind of preferred embodiment of the invention: corresponding temperature pressure sensor on four-way valve body, tonifying Qi interface and
The position of sulfur hexafluoride ontology interface is provided with stomata；Dismountable plug is installed on the tonifying Qi interface；
When the valve is opened, relay air inlet pipe, sulfur hexafluoride ontology interface are connected by four-way valve body gas circuit；It is described
When valve is closed, relay air inlet pipe is connected with tonifying Qi interface gas circuit.
As a kind of preferred embodiment of the invention: including conductive terminals in the conductive plug and electrically conductive socket
Son includes CPU, NB-IoT module and temperature, pressure signal processing module on the lower circuit board and upper circuit board；The CPU is
Msp430g2433, NB-IoT module are the BC95-B5/B8 module of " moving remote " brand.
As a kind of preferred embodiment of the invention: the communication channel be NB-IoT network or APN private network or
Person's GPRS network；The triple-valve body, four-way valve body use all steel material, and temperature sensor installs component additional and passes through water
Inspection-gas inspection-three inspection process of helium mass spectrum leak detection；One Bridgman state equation of BETTY BOOP built in the temperature and pressure transmitter,
Current gas density value is calculated automatically according to collected SF6 gas pressure and temperature；The temperature and pressure transmitter according to
Preset thresholding, data 24 hours in the normal range are sent once to data storage cell, such as exceed preset thresholding, data
5 minutes will be foreshortened to once by sending interval.
As a kind of preferred embodiment of the invention: the rear panel of display instrument is provided with the input of 33 road pressure signals on the spot
Channel, 1 road temperature signal；2 tunnel alarm signals；The controller of display instrument includes amplification circuit module, arm processor, number on the spot
Word analog converter, voltage current adapter and electric current galvanostat；Controller is by pressure acquisition sensor, sulfur hexafluoride density table
The signal transmitted with temperature sensor carries out signal amplification by built-in amplification circuit module, and amplified signal passes through described
Arm processor is calculated；The signal data being calculated is converted into voltage signal by digital analog converter, then passes through
The voltage current adapter is converted to current signal, and current signal is by passing through the communication of display instrument on the spot after electric current galvanostat
Module transfer.
The medicine have the advantages that
The present invention is based on substation's SF6 gaseous states of NB-IoT technology to monitor system, the prison comprising being located at terminal unit
Survey terminal unit, be used for transmission monitoring terminal unit data to Back end data store unit communication channel unit and with number
The data display unit of display data is connected and is used for according to storage unit；Terminal unit is monitored to be used for sulfur hexafluoride density relay
The SF6 gas and temperature of device position are acquired, and communication channel unit is for being wirelessly transferred, and data display unit is for data
Real-time exhibition reaches monitoring effect；
The monitoring terminal unit includes that the temperature sensor being installed on substation's SF6 density monitor installs component additional,
It includes temperature and pressure transmitter that the temperature sensor, which installs component additional,；NB-IoT mould is provided in the temperature and pressure transmitter
Block；Temperature and pressure transmitter passes through the wireless telecommunications of NB-IoT module with display instrument on the spot；All display instruments on the spot and communication channel
The radio communication network of unit is wirelessly connected；Temperature, pressure and density information is made to obtain intelligence by reload temperature sensor
Large area acquisition and concentration of transmissions；The transmission cost of NB-IoT module is low, low in energy consumption, long service life, so that whole system
Also more stable, reduce improvement cost；Display instrument on the spot of the invention plays the role of wireless relay, and data is allowed to transmit
It is more rationally reliable；
Data storage cell of the invention includes electric power things-internet gateway, electric power things-internet gateway and the embedded port CMA
Safety Technology Platform connection；The data of Safety Technology Platform and main website communication connection and Safety Technology Platform and data display unit
Display platform connection；Main website is connect with the PMS system of data display unit；Entire data transmission and displaying are all to meet state's net peace
Full standard and administrative standard, therefore strong applicability, it can be widely applied.
Temperature and pressure transmitter of the invention has the low in energy consumption of NB-IoT module by NB-IoT module transfer data
The advantage that distance far waits；Temperature and pressure transmitter provides the conduction of plug-in type on the basis of guaranteeing traditional sealing structure
The structure of plug and electrically conductive socket so realizes connected structure, is easy to the replacement maintenance of device, reduces maintenance cost；
Battery of the invention more saves space with the mode that is fixedly connected and (generally welds) of upper circuit board；Outside electromagnetic wave transparent material
Shell ensure that the reliable transmitting of wireless signal.Photovoltaic branch is plugged on boss inside the light permeable protection of temperature and pressure transmitter
Frame, the cross section of photovoltaic bracket are regular polygon, are fixedly installed with photovoltaic panel on each side of photovoltaic bracket；The boss
On be also provided with antenna in the antenna slot being looped around on the boss periphery；The antenna is also used to be plugged in boss
Locating rod.One circle of photovoltaic panel correction, can be generated electricity with 360 degree of daylightings；Built-in antenna and flush antenna slot can guarantee transmitting letter
Number intensity and reduce occupied space；The locating rod of antenna can allow the fixation of antenna relatively reliable.
Detailed description of the invention
Fig. 1 is a kind of schematic perspective view of specific embodiment of the invention；
Fig. 2 is a kind of structural schematic diagram of specific embodiment of temperature and pressure transmitter of the invention；
Fig. 3 is a kind of structural schematic diagram of specific embodiment of antenna of the invention；
Fig. 4 is a kind of structural schematic diagram of preferred embodiment of temperature and pressure transmitter of the invention；
Fig. 5 is the schematic view of the mounting position of temperature and pressure transmitter of the invention；
Fig. 6 is a kind of schematic block circuit diagram of specific embodiment of temperature and pressure transmitter of the invention；
Fig. 7 is the four-way valve component installation structure schematic diagram of temperature and pressure transmitter of the invention；
Fig. 8 is the gas supplementing opening component installation structure schematic diagram of temperature and pressure transmitter of the invention.
Description of symbols:
100- monitors terminal unit, 200- communication channel unit, 300- data storage cell, 400- data display unit；
Display instrument, 1002- temperature sensor install component I additional to 1001- on the spot, and 1003- temperature sensor installs component II additional；2001- is wireless
Communication network；3001- electric power things-internet gateway, 3002- Safety Technology Platform, 3003- main website；4001- data display platform,
4002-PMS system；
101- electromagnetic wave transparent material, 102- light permeable protection, 103- sensor, 104- conductive plug, 105- sensor sealing ring,
106- supporting studs, 107- sensor mounting head, 108- lithium argon battery, the upper circuit board of 109-, 110- electrically conductive socket, electricity under 111-
Road plate, 112- fluorubber pad, 113- photovoltaic panel, 117- antenna, 118- locating rod, 119- inclined hole, 120- pedestal, 121- insulation
Anti-theft nut, 123- erection joint, 124- air inlet；
1032: rectifier, 1033: temperature, pressure signal processing module, 1034: temperature sensor, 1035: pressure sensing
Device, 1036:CPU, 1037:NB-IoT module, 1038: connecting terminal, 1039: lithium argon battery；
201- relay ontology, 202- table interface, 203- valve, 204- temperature and pressure transmitter, 205- tonifying Qi interface,
206- sulfur hexafluoride ontology interface, 207- four-way valve body, 208- sulfur hexafluoride equipment installing port, 209- relay extend mouth,
210- triple-valve body.
Specific embodiment
The specific embodiment of the invention is described with reference to the accompanying drawings and embodiments:
As shown in Fig. 1~8, it illustrates a specific embodiment of the invention, as shown in Figure 1, the present invention is based on NB-IoT
Substation's SF6 gaseous state of technology monitors system, comprising being located at the monitoring terminal unit 100 of terminal unit, being used for transmission prison
The data for surveying terminal unit are connect to the communication channel unit 200 of Back end data store unit 300 and with data storage cell
And it is used for the data display unit 400 of display data；
The monitoring terminal unit includes that the temperature sensor being installed on substation's SF6 density monitor installs component additional,
It includes temperature and pressure transmitter 204 that the temperature sensor, which installs component additional,；NB-IoT is provided in the temperature and pressure transmitter
Module 1037；Temperature and pressure transmitter passes through the wireless telecommunications of NB-IoT module with display instrument on the spot；All display instruments on the spot and logical
Believe that the radio communication network 2001 of Channel Elements is wirelessly connected；
The data storage cell includes electric power things-internet gateway 3001, electric power things-internet gateway and the embedded port CMA
Safety Technology Platform 3002 connects；Safety Technology Platform 3002 and 3003 communication connection of main website and Safety Technology Platform and data exhibition
Show that the data display platform 4001 of unit connects；Main website is connect with the PMS system 4002 of data display unit；
The temperature and pressure transmitter includes sensor mounting head 107 and the collar plate shape for being fixed on sensor installation cephalic par
Mounting plate, boss is arranged in the surface of mounting plate, and light permeable protection 102 is threaded in the outer end face of the boss, and light transmission
Sensor sealing ring 105 is set between protective cover and boss；Supporting studs 106, supporting studs are further fixed on the mounting plate
On be fixed with lower circuit board 111, sensor is arranged in lower circuit board center, and sensor passes through lower circuit board；Lower circuit board
Surface is provided with electrically conductive socket 110, on electrically conductive socket in grafting circuit board conductive plug 104；Upper 109 center of circuit board is fixed
Battery is further fixed on wireless transmission antenna 117 and NB-IoT module 1037 on upper circuit board；The sensor includes pressure sensing
Device 1035 and temperature sensor device 1034；End face of the light permeable protection far from boss is to hold made from electromagnetic wave transparent material 101
Lid；The sensor mounting head radially installed has rubber pad；The rubber pad is fluorubber pad；
Photovoltaic bracket is plugged on boss inside the light permeable protection, the cross section of photovoltaic bracket is regular polygon,
Photovoltaic panel 113 is fixedly installed on each side of photovoltaic bracket；It is also provided on the boss and is looped around the boss circle
Antenna 117 in antenna slot on circumferential surface；The locating rod 118 that the antenna is also used to be plugged in boss.
Preferably, as shown in Fig. 1,7,8: it includes that temperature sensor installs I He of component additional that the temperature sensor, which installs component additional,
Temperature sensor installs component II additional；It includes four-way valve body 207 that temperature sensor, which installs component I additional, and valve is installed at the top of four-way valve body
Door 203, the bottom installation of four-way valve body is for connecting the sulfur hexafluoride ontology interface 206 of conducting with sulfur hexafluoride apparatus body；
One end face of four-way valve body is provided with the table interface 202 for connecting conducting with the relay gas path joint, four-way valve body
It goes up and is provided with tonifying Qi interface 205 on an end face opposite with table interface, on four-way valve body, with the table interface and tonifying Qi interface
Adjacent is equipped with a temperature and pressure transmitter；
The temperature and pressure transmitter that the temperature sensor installs component II additional is mounted on the benefit of sulfur hexafluoride density relay
Gas extends on mouth, and it includes triple-valve body 210, threeway that temperature sensor, which installs the sulfur hexafluoride density relay that component II is installed additional,
Valve body extends mouth by relay and connect with sulfur hexafluoride density relay, other two mouth of triple-valve body is lithium respectively
Sulphur equipment installing port 208 and tonifying Qi extend mouth.
Preferably, as shown in Figure 2: the light permeable protection is light transmission polycarbonate protective cover；The battery is lithium argon electricity
Pond；The photovoltaic panel is electrically connected by rectifier with lithium argon battery；The diameter of the light permeable protection is 36mm；Highly it is
35mm.When specifically choosing, the wide temperature coin lithium argon battery of lithium argon Selection of Battery import, bimodulus power supply greatly prolongs battery and uses the longevity
Life.Sensor design having a size ofHeight is 35mm；Sensor uses micro energy lose technical grade element and IC chip；Sensing
For device using there is 360 ° of import light to take energy plate, high-strength transparent polycarbonate protective cover is installed in outside；Guarantee in low-light i.e.
Can energy storage, the built-in wide temperature coin lithium argon battery of import, guarantee sensor reliability service in 10-15.
Preferably, as shown in Figure 4: the upper surface size of the light permeable protection is less than lower surface size and light permeable protection
Outer surface be symmetrically arranged with inclined hole 119；The opening of the inclined hole is located on outer surface, and the inclined hole includes that left side is oblique
Hole and right side inclined hole, the left side inclined hole are directed toward lower surface；The right side inclined hole is directed toward upper surface.Light permeable protection is circle
Platform shape, therefore not easy-to-use hand directly rotates；In addition, the inclined hole on light permeable protection is different from the angle of horizontal plane, and left side
Inclined hole is directed toward lower surface, and right side inclined hole is directed toward upper surface, the direction of two inclined holes neither the opening connecting line of two inclined holes it
On, along with aperture is tiny, so general tool is difficult to have impetus to twist light permeable protection.
Preferably, as shown in Figure 4: the mounting plate is pedestal, and the bottom end of the pedestal is to combine an insulation anti-theft nut
121, the bottom end outer rim of pedestal has an external screw thread, and the insulation anti-theft nut top is with the screwed togather corresponding with the external screw thread
One internal screw thread, and the bottom end inner edge of pedestal is that separately have internal screw thread, and the insulation anti-theft nut bottom end is that separately have spiral shell in second
Line, second internal screw thread and the internal screw thread of the pedestal bottom end are and second internal screw threads for same-handed direction and corresponding linking
It is for opposite helical direction with first internal screw thread, i.e. the external screw thread of the first internal screw thread and the pedestal of the insulation anti-theft nut is
It is designed to opposite tooth；When the pedestal is tightened when erection joint, which is tightened in the bottom again with equidirectional
Seat 120, enables the pedestal be embedded in the insulation anti-theft nut, wherein the insulation anti-theft nut is with distinctive appearance, it is necessary to
Specialized hand tool begins to unscrew, if without using specialized hand tool to open the insulation anti-theft nut, and manually opposite direction rotates the bottom
Seat, will cause the combination of the insulation anti-theft nut and the pedestal more and more tighter, enables purlonier that can not manually take temperature of the invention away
Pressure sensor is spent, antitheft effect is reached.
Preferably, as shown in Figure 7: corresponding temperature pressure sensor, tonifying Qi interface and sulfur hexafluoride ontology on four-way valve body
The position of interface is provided with stomata；Dismountable plug is installed on the tonifying Qi interface；
When the valve is opened, relay air inlet pipe, sulfur hexafluoride ontology interface are connected by four-way valve body gas circuit；It is described
When valve is closed, relay air inlet pipe is connected with tonifying Qi interface gas circuit.Tonifying Qi interface is used for tonifying Qi, and temperature and pressure transmitter is used for
Monitoring temperature pressure needs to connect tonifying Qi interface and changeover valve only thus to realize that tonifying Qi works, is not necessarily to when tonifying Qi
Dismantle sulfur hexafluoride density relay.
Preferably, as shown in the figure: including conductive connecting terminal, the lower circuit in the conductive plug and electrically conductive socket
It include CPU, NB-IoT module and temperature, pressure signal processing module on plate and upper circuit board；The CPU is msp430g2433,
NB-IoT module is the BC95-B5/B8 module of " moving remote " brand.
Preferably, as shown in the figure: the communication channel is NB-IoT network or APN private network or GPRS network；Institute
Triple-valve body 210, four-way valve body are stated using all steel material, temperature sensor installs component additional and passes through water inspection-gas inspection-helium
Three inspection process of mass spectrum leak detection；One Bridgman state equation of BETTY BOOP built in the temperature and pressure transmitter, according to collecting
SF6 gas pressure and temperature calculate current gas density value automatically；The temperature and pressure transmitter according to preset thresholding,
It is sent once to data storage cell within data 24 hours in normal range (NR), such as exceeds preset thresholding, data send interval for contracting
It is as short as 5 minutes once.
Preferably, as shown in the figure: the rear panel of display instrument 1001 is provided with 33 road pressure signal input channels, 1 tunnel on the spot
Temperature signal；2 tunnel alarm signals；The controller of display instrument includes amplification circuit module, arm processor, digital simulation turn on the spot
Parallel operation, voltage current adapter and electric current galvanostat；Controller passes pressure acquisition sensor, sulfur hexafluoride density table and temperature
The signal that sensor transmits carries out signal amplification by built-in amplification circuit module, and amplified signal is handled by the ARM
Device is calculated；The signal data being calculated is converted into voltage signal by digital analog converter, then passes through the electricity
Voltage-current converter is converted to current signal, and current signal is passed after passing through electric current galvanostat by the communication module of display instrument on the spot
It is defeated.
It is that the parameter of the temperature and pressure transmitter in specific embodiments of the present invention can refer to following table in specific type selecting:
Design parameter about display instrument on the spot (being also wireless repeater) can be such that
A: sensor accesses quantity: maximum 36 groups (according to field working conditions)；Wireless receiving mode: LoRa；
It is wireless to upload mode: NB-ioT wireless data transmission module (built-in to meet the quasi- encryption communication module of state's network mark)；
Transmission range: wide area network, without distance limitation；
Power supply: AC220 DC110 DC220；
Degree of protection: IP65.
B: sensor accesses quantity: maximum 36 groups (according to field working conditions)；Wireless receiving mode: LoRa；
It is wireless to upload mode: 4G wireless data transmission module (built-in to meet the quasi- encryption communication module of state's network mark)；
Transmission range: wide area network, without distance limitation；
Power supply: AC220 DC110 DC220；
Degree of protection: IP65.
The preferred embodiment for the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode within the knowledge of a person skilled in the art can also be without departing from the purpose of the present invention
It makes a variety of changes, these variations are related to the relevant technologies well-known to those skilled in the art, these both fall within the invention patent
Protection scope.
Many other changes and remodeling can be made by not departing from the spirit and scope of the present invention.It should be appreciated that the present invention is not
It is limited to specific embodiment, the scope of the present invention is defined by the following claims.
Claims (9)
1. substation's SF6 gaseous state based on NB-IoT technology monitors system, it is characterised in that: comprising being located at terminal unit
Monitoring terminal unit, be used for transmission monitoring terminal unit data to Back end data store unit communication channel unit and with
Data storage cell connection and the data display unit for being used for display data；
The monitoring terminal unit includes that the temperature sensor being installed on substation's SF6 density monitor installs component additional, described
It includes temperature and pressure transmitter that temperature sensor, which installs component additional,；NB-IoT module is provided in the temperature and pressure transmitter；Temperature
It spends pressure sensor and passes through the wireless telecommunications of NB-IoT module with display instrument on the spot；All display instruments on the spot and communication channel unit
Radio communication network is wirelessly connected；
The data storage cell includes electric power things-internet gateway, the safe practice of electric power things-internet gateway and the embedded port CMA
Platform connection；The data display platform of Safety Technology Platform and main website communication connection and Safety Technology Platform and data display unit
Connection；Main website is connect with the PMS system of data display unit；
The temperature and pressure transmitter includes the installation of sensor mounting head with the collar plate shape for being fixed on sensor installation cephalic par
Plate, the surface of mounting plate are arranged boss, and light permeable protection is threaded in the outer end face of the boss, and light permeable protection with it is convex
Sensor sealing ring is set between platform；It is further fixed on supporting studs on the mounting plate, lower electricity is fixed in supporting studs
Sensor is arranged in road plate, lower circuit board center, and sensor passes through lower circuit board；The surface of lower circuit board is provided with electrically conductive socket,
On electrically conductive socket in grafting circuit board conductive plug；Battery is fixed at upper circuit board center, is further fixed on upper circuit board wireless
Transmitting antenna and NB-IoT module；The sensor includes pressure sensor and temperature sensor device；The light permeable protection is remote
End face from boss is end cap made from electromagnetic wave transparent material；The sensor mounting head radially installed has rubber pad；The rubber pad
For fluorubber pad；
Photovoltaic bracket is plugged on boss inside the light permeable protection, the cross section of photovoltaic bracket is regular polygon, photovoltaic
Photovoltaic panel is fixedly installed on each side of bracket；It is also provided with and is looped around on the boss periphery on the boss
Antenna in antenna slot；The antenna is also used for the locating rod being plugged in boss.
2. substation's SF6 gaseous state based on NB-IoT technology monitors system as described in claim 1, it is characterised in that:
It includes that temperature sensor installs component I and temperature sensor installation component II additional that the temperature sensor, which installs component additional,；Temperature sensing
It includes four-way valve body that device, which installs component I additional, and valve is installed at the top of four-way valve body, the bottom installation of four-way valve body for and it is lithium
The sulfur hexafluoride ontology interface of sulphur apparatus body connection conducting；One end face of four-way valve body, which is provided with, to be used for and the relay
The table interface of gas path joint connection conducting, is provided with tonifying Qi interface on four-way valve body on an end face opposite with table interface, and four
On port valve body, adjacent with the table interface and tonifying Qi interface is equipped with a temperature and pressure transmitter；
The tonifying Qi that the temperature and pressure transmitter that the temperature sensor installs component II additional is mounted on sulfur hexafluoride density relay is expanded
It opens up on mouth, it includes triple-valve body that temperature sensor, which installs the sulfur hexafluoride density relay that component II is installed additional, and triple-valve body is logical
It crosses relay extension mouth to connect with sulfur hexafluoride density relay, other two mouth of triple-valve body is sulfur hexafluoride equipment respectively
Installing port and tonifying Qi extend mouth.
3. substation's SF6 gaseous state based on NB-IoT technology monitors system as described in claim 1, it is characterised in that:
The light permeable protection is light transmission polycarbonate protective cover；The battery is lithium argon battery；The photovoltaic panel by rectifier with
The electrical connection of lithium argon battery；The diameter of the light permeable protection is 36mm；Height is 35mm.
4. substation's SF6 gaseous state based on NB-IoT technology monitors system as described in claim 1, it is characterised in that:
The upper surface size of the light permeable protection is less than lower surface size and the outer surface of light permeable protection is symmetrically arranged with inclined hole；Institute
The opening for the inclined hole stated is located on outer surface, and the inclined hole includes left side inclined hole and right side inclined hole, the left side inclined hole
It is directed toward lower surface；The right side inclined hole is directed toward upper surface.
5. substation's SF6 gaseous state based on NB-IoT technology monitors system as described in claim 1, it is characterised in that:
The mounting plate is pedestal, and the bottom end of the pedestal is to combine an insulation anti-theft nut, and the bottom end outer rim of pedestal has external screw thread,
And the insulation anti-theft nut top is that have the first internal screw thread screwed togather corresponding with the external screw thread, and the bottom end inner edge of pedestal is another
With internal screw thread, and the insulation anti-theft nut bottom end is that separately have the second internal screw thread, second internal screw thread and the pedestal bottom end
Internal screw thread is for same-handed direction and to correspond to linking, and second internal screw thread and first internal screw thread are for opposite helical side
To the first internal screw thread of the i.e. insulation anti-theft nut is designed to opposite tooth with the external screw thread of the pedestal；When the pedestal screws admittedly
When erection joint, which is tightened in the pedestal again with equidirectional, enables the pedestal be embedded in the insulation anti-
Steal nut, wherein the insulation anti-theft nut is with distinctive appearance, it is necessary to begin to unscrew with specialized hand tool, if without using specially
Tool opens the insulation anti-theft nut by hand, and manually opposite direction rotates the pedestal, will cause the insulation anti-theft nut and the bottom
The combination of seat is more and more tighter, enables purlonier that can not manually take temperature and pressure transmitter of the invention away, reaches antitheft effect.
6. substation's SF6 gaseous state based on NB-IoT technology monitors system as claimed in claim 2, it is characterised in that:
The position of corresponding temperature pressure sensor, tonifying Qi interface and sulfur hexafluoride ontology interface is provided with stomata on four-way valve body；Institute
It states and dismountable plug is installed on tonifying Qi interface；
When the valve is opened, relay air inlet pipe, sulfur hexafluoride ontology interface are connected by four-way valve body gas circuit；The valve
When closing, relay air inlet pipe is connected with tonifying Qi interface gas circuit.
7. substation's SF6 gaseous state based on NB-IoT technology monitors system as described in claim 1, it is characterised in that:
Comprising conductive connecting terminal in the conductive plug and electrically conductive socket, on the lower circuit board and upper circuit board comprising CPU,
NB-IoT module and temperature, pressure signal processing module；The CPU is msp430g2433, and NB-IoT module is " moving remote " brand
BC95-B5/B8 module.
8. substation's SF6 gaseous state based on NB-IoT technology monitors system as claimed in claim 2, it is characterised in that:
The communication channel is NB-IoT network or APN private network or GPRS network；The triple-valve body, four-way valve body are using complete
Stainless steel material, temperature sensor install component additional and pass through water inspection-gas inspection-three inspection process of helium mass spectrum leak detection；The temperature
One Bridgman state equation of BETTY BOOP built in spending pressure sensor, calculates automatically according to collected SF6 gas pressure and temperature
Current gas density value out；The temperature and pressure transmitter is according to preset thresholding, and data in the normal range 24 hours are to number
It is sent once according to storage unit, such as exceeds preset thresholding, data, which send interval, will foreshorten to 5 minutes once.
9. substation's SF6 gaseous state based on NB-IoT technology monitors system as described in claim 1, it is characterised in that:
The rear panel of display instrument is provided with 33 road pressure signal input channels, 1 road temperature signal on the spot；2 tunnel alarm signals；It shows on the spot
The controller of instrument includes amplification circuit module, arm processor, digital analog converter, voltage current adapter and electric current constant current
Device；The signal that pressure acquisition sensor, sulfur hexafluoride density table and temperature sensor transmit is passed through built-in amplification by controller
Circuit module carries out signal amplification, and amplified signal is calculated by the arm processor；The signal data being calculated
It is converted into voltage signal by digital analog converter, current signal is then converted to by the voltage current adapter, electricity
It flows signal and passes through the communication module transmission after electric current galvanostat by display instrument on the spot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910523836.2A CN110212643B (en) | 2019-06-17 | 2019-06-17 | Transformer substation SF6 gas state monitoring system based on NB-IoT technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910523836.2A CN110212643B (en) | 2019-06-17 | 2019-06-17 | Transformer substation SF6 gas state monitoring system based on NB-IoT technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110212643A true CN110212643A (en) | 2019-09-06 |
| CN110212643B CN110212643B (en) | 2022-12-02 |
Family
ID=67793061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910523836.2A Active CN110212643B (en) | 2019-06-17 | 2019-06-17 | Transformer substation SF6 gas state monitoring system based on NB-IoT technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110212643B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836835A (en) * | 2019-10-30 | 2020-02-25 | 国网福建省电力有限公司检修分公司 | Intelligent SF6 density on-line monitoring data analysis and information feedback system |
| CN111189497A (en) * | 2020-03-09 | 2020-05-22 | 上海乐研电气有限公司 | Gas detection sensor |
| CN111982194A (en) * | 2020-08-18 | 2020-11-24 | 成都一通密封股份有限公司 | Wireless pressure and temperature integrated sensor |
| CN112798398A (en) * | 2020-12-30 | 2021-05-14 | 广西电网有限责任公司电力科学研究院 | Be used for GIS density relay gas pressure testing arrangement |
| CN113607600A (en) * | 2021-08-31 | 2021-11-05 | 西安亚能电气有限责任公司 | Sulfur hexafluoride gas three-in-one monitoring sensor based on solar power supply |
| CN113777085A (en) * | 2021-09-14 | 2021-12-10 | 河北地质大学 | Floating algae concentration monitor based on fluorescence sensing technology |
| CN118190705A (en) * | 2024-03-13 | 2024-06-14 | 南京凤嘉科技有限公司 | Stable gas density meter with NB-IOT function and working method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435378A (en) * | 2011-10-28 | 2012-05-02 | 山东昌润科技有限公司 | Compound type temperature pressure sensor |
| CN102564617A (en) * | 2012-01-31 | 2012-07-11 | 河南省电力公司南阳供电公司 | Power equipment remote intelligent on-line temperature measurement system |
| CN103105202A (en) * | 2012-12-15 | 2013-05-15 | 西安远顺电气有限责任公司 | SF6 gas intelligent monitoring control device and monitoring method thereof |
| CN105242653A (en) * | 2015-10-23 | 2016-01-13 | 深圳奥特迅电力设备股份有限公司 | Substation operation environment monitoring system and method |
| CN106596329A (en) * | 2016-12-19 | 2017-04-26 | 华能国际电力股份有限公司玉环电厂 | Onsite display instrument-based GIS sulfur hexafluoride density online monitoring system |
-
2019
- 2019-06-17 CN CN201910523836.2A patent/CN110212643B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435378A (en) * | 2011-10-28 | 2012-05-02 | 山东昌润科技有限公司 | Compound type temperature pressure sensor |
| CN102564617A (en) * | 2012-01-31 | 2012-07-11 | 河南省电力公司南阳供电公司 | Power equipment remote intelligent on-line temperature measurement system |
| CN103105202A (en) * | 2012-12-15 | 2013-05-15 | 西安远顺电气有限责任公司 | SF6 gas intelligent monitoring control device and monitoring method thereof |
| CN105242653A (en) * | 2015-10-23 | 2016-01-13 | 深圳奥特迅电力设备股份有限公司 | Substation operation environment monitoring system and method |
| CN106596329A (en) * | 2016-12-19 | 2017-04-26 | 华能国际电力股份有限公司玉环电厂 | Onsite display instrument-based GIS sulfur hexafluoride density online monitoring system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836835A (en) * | 2019-10-30 | 2020-02-25 | 国网福建省电力有限公司检修分公司 | Intelligent SF6 density on-line monitoring data analysis and information feedback system |
| CN111189497A (en) * | 2020-03-09 | 2020-05-22 | 上海乐研电气有限公司 | Gas detection sensor |
| CN111982194A (en) * | 2020-08-18 | 2020-11-24 | 成都一通密封股份有限公司 | Wireless pressure and temperature integrated sensor |
| CN112798398A (en) * | 2020-12-30 | 2021-05-14 | 广西电网有限责任公司电力科学研究院 | Be used for GIS density relay gas pressure testing arrangement |
| CN113607600A (en) * | 2021-08-31 | 2021-11-05 | 西安亚能电气有限责任公司 | Sulfur hexafluoride gas three-in-one monitoring sensor based on solar power supply |
| CN113777085A (en) * | 2021-09-14 | 2021-12-10 | 河北地质大学 | Floating algae concentration monitor based on fluorescence sensing technology |
| CN113777085B (en) * | 2021-09-14 | 2024-06-04 | 河北地质大学 | Floating algae concentration monitor based on fluorescence sensing technology |
| CN118190705A (en) * | 2024-03-13 | 2024-06-14 | 南京凤嘉科技有限公司 | Stable gas density meter with NB-IOT function and working method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110212643B (en) | 2022-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110212643A (en) | Substation's SF6 gaseous state based on NB-IoT technology monitors system | |
| CN203846110U (en) | Cathode protection potential testing column for buried metal pipeline | |
| CN206657077U (en) | Intelligent trouble indicator and instruction system | |
| CN106841934A (en) | Intelligent trouble indicator and instruction system | |
| CN103985243A (en) | Cathode protective potential monitoring system for buried metal pipeline | |
| CN108761277A (en) | A kind of cable and junction malfunction indicator and on-line monitoring system | |
| CN203722669U (en) | Power tunnel semi-offline manhole cover monitoring system | |
| CN206804797U (en) | The extra-high video sensor of external intelligence for GIS partial discharge detection | |
| CN107045004A (en) | A kind of split type parameter water quality monitoring system | |
| CN205354324U (en) | Pipeline and utility tunnel monitoring collector to sensor intelligent charging | |
| CN208834464U (en) | A kind of substation's auxiliary device defect detecting system | |
| CN200996970Y (en) | Charge-evasion preventer for comparing high-voltage end and low-voltage end quantity | |
| CN209117794U (en) | A kind of leak current fault detector based on magnetic field signal analysis | |
| CN208833832U (en) | Leakage warning monitoring system | |
| CN208443961U (en) | A kind of cable and junction malfunction indicator | |
| CN208537339U (en) | Density relay and gas insulated enclosed combined electrical apparatus | |
| CN206330560U (en) | Transmission line of electricity real-time detection apparatus | |
| CN205670176U (en) | Ultra-high-tension power transmission line test warning system | |
| CN202202897U (en) | Coal mine high-voltage line cable head failure pre-alarming system | |
| CN205489816U (en) | Automatic information debugging auxiliary assembly of transformer substation | |
| CN203965625U (en) | The small-sized GPS locating device of substation transformer | |
| CN204213644U (en) | Urban Pipeline Carrying Natural Gas cathodic protection remote collecting device | |
| CN209230862U (en) | A kind of intelligent pressure monitoring device based on NBIoT network | |
| CN210774152U (en) | SF6 gas state monitoring system for GIS equipment | |
| CN211979063U (en) | Portable low-voltage meter reading power consumption on-load detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |