CN206114591U - Gaseous supersound monitoring devices of SF6 of transformer substation - Google Patents
Gaseous supersound monitoring devices of SF6 of transformer substation Download PDFInfo
- Publication number
- CN206114591U CN206114591U CN201621131169.1U CN201621131169U CN206114591U CN 206114591 U CN206114591 U CN 206114591U CN 201621131169 U CN201621131169 U CN 201621131169U CN 206114591 U CN206114591 U CN 206114591U
- Authority
- CN
- China
- Prior art keywords
- circuit
- resin enclosure
- integrated circuit
- monitoring devices
- mounted integrated
- 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.)
- Expired - Fee Related
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 12
- 239000011347 resin Substances 0.000 claims abstract description 36
- 229920005989 resin Polymers 0.000 claims abstract description 36
- 230000003321 amplification Effects 0.000 claims abstract description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 8
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract 2
- 238000002604 ultrasonography Methods 0.000 claims description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 210000004722 stifle Anatomy 0.000 abstract 1
- 210000003437 trachea Anatomy 0.000 abstract 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 24
- 229910018503 SF6 Inorganic materials 0.000 description 23
- 239000007789 gas Substances 0.000 description 21
- 229960000909 sulfur hexafluoride Drugs 0.000 description 19
- 238000001514 detection method Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- QHMQWEPBXSHHLH-UHFFFAOYSA-N sulfur tetrafluoride Chemical compound FS(F)(F)F QHMQWEPBXSHHLH-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a gaseous supersound monitoring devices of SF6 of transformer substation, be equipped with built -in temperature and humidity sensor (7) on its resin shell (1), blow vent (15) etc, the top swing joint extension trachea (8) of resin shell (1), be equipped with the STM32 chip on resin shell (1) interior integrated circuit board (12), 4~20mA output circuit is connected respectively to the STM32 chip, voltage comparison circuit, AD converting circuit, information display and button input module, charge and data interface (10), temperature and humidity sensor (7), storage module, the signal pump circuit, liquid crystal display (2), the signal pump circuit passes through ultrasonic sensor (11) and connects filter circuit, filter circuit connects and 4~20mA output circuit, voltage comparison circuit, the signal amplification circuit that AD converting circuit links to each other, the utility model discloses with low costs, small, the precision is high, measuring range is wide, easily realize on -line monitoring, in time discovers on -the -spot harmful gas, hidden danger such as avoid taking place to be poisoned, to stifle.
Description
Technical field：
The utility model is related to a kind of transformer station SF6 gas ultrasound monitoring devices, belongs to power transformation O＆M site technology field.
Background technology：
Sulfur hexafluoride is a kind of important medium, with excellent insulation and arc extinction performance, frequently as arc extinguishing and insulation gas
Body is used for enclosed high-voltage switch room.But while sulfur hexafluoride is also the gas for having harm to operating personnel.First, six
Sulfur fluoride can react decomposition or and electrode when high temperature arcing discharge process（Cu-W alloy or Al, Cu）Reaction bonded, produces
The various toxic breakdown things of life, are such as fluorinated sub- acid acyl, fluorination sulfonyl, sulfur tetrafluoride, bifluoride sulphur.These toxic breakdown things are universal
To human respiratory tract, there are strong corrosion attack effect in skin and lung.
Additionally, sulfur hexafluoride or a kind of asphyxiant.When the level that concentration of sulfur hexafluoride rises to anoxic can cause operation
Field Force suffocates.Sulfur hexafluoride gas density is about five times of air, and the gas must be first deposited onto low-lying place if any leakage, such as
Cable duct etc., thus above place is easier to produce asphyxia situation.《Electric power safety working regulation》Special provision, in related place
Oxygen and sulfur hexafluoride detection means must be installed, and necessary compound ventilation air-changing device is installed.Current sulfur hexafluoride monitoring device
Mostly complete installation, installation cost is higher, and Field Force is difficult in maintenance, uses in current transformer station and is fixedly mounted on combination
Electric indoor sulfur hexafluoride device, such device be difficult to cover it is all there is sulfur hexafluoride workplace, once and occur therefore
Barrier, scene will lose sulfur hexafluoride gas detection means, and these all produce potential hazard to Field Force's working environment.
Utility model content：
The purpose of this utility model be overcome the shortcomings of above-mentioned prior art and provide that a kind of cost is relatively low, volume compared with
Little, precision is higher, in-site measurement scope is wide, can be effectively lithium in detection zone in the case where equipment is not directly contacted with
The concentration of the pernicious gases such as sulphur, it is easy to accomplish on-line monitoring, finds in time field harmful gas, it is to avoid generation personnel are poisoned, stop up
The transformer station SF6 gas ultrasound monitoring devices of the hidden danger such as breath.
The purpose of this utility model can be reached by following measure：A kind of transformer station SF6 gas ultrasound monitoring devices,
It includes resin enclosure, and resin enclosure is provided with LCDs, and LCDs lower section is provided with state instruction on resin enclosure
Lamp, power supply indicator, it is characterised in that lower left side is provided with built-in Temperature Humidity Sensor, the outer lower left side of resin enclosure in resin enclosure
Blow vent is provided with Temperature Humidity Sensor relevant position；The right side top of resin enclosure is provided with charging and data-interface, outside resin
The lower right-hand side of shell is provided with power key；The top movable connection of resin enclosure is used for collecting the prolongation tracheae of gas, resin enclosure
Air chamber is provided with the prolongation tracheae lower section of upper end, the inside of resin enclosure connects surface-mounted integrated circuit, state by cylindrical support bar
Indicator lamp and power supply indicator are plugged on surface-mounted integrated circuit, and LCDs is plugged on surface-mounted integrated circuit through special purpose interface
On, integrated circuit back is provided with the battery compartment of the loading chargeable lithium cell being connected with power key, and battery compartment is connected to integrated
The power port of circuit board；Surface-mounted integrated circuit is provided with STM32 chips, and STM32 chips connect respectively 4 ~ 20mA output circuits, electricity
Pressure comparison circuit, A/D converter circuit, presentation of information and keyboard input module, charging and data-interface, Temperature Humidity Sensor, storage
Module, signal exciting circuit, LCDs, signal exciting circuit connection ultrasonic sensor, ultrasonic sensor connection filter
Wave circuit, filter circuit connection signal amplification circuit, signal amplification circuit with 4 ~ 20mA output circuits, voltage comparator circuit,
A/D converter circuit is connected.
In order to further realize the purpose of this utility model, described charging and data-interface employs 8 millimeters of bores
Four pin aviation sockets.
In order to further realize the purpose of this utility model, the top of described resin enclosure is flexibly connected by screw socket prolongs
Long air pipe.
In order to further realize the purpose of this utility model, the inside of described resin enclosure is provided with four cylindrical supports
Bar.
The utility model can produce compared with the prior art following good effect：The utility model is widely used in power train
The monitoring of the sulfur hexafluoride pernicious gas solubility in system transformer station, to eliminate the hidden of the toxic gas leakages such as the interior sulfur hexafluoride in station
Suffer from, meet《Electric power safety working regulation》Require, the utility model can detect the high room of transformer station in the way of not contact arrangement
Interior sulfur hexafluoride gas.It has：
1. cost is relatively low, small volume.Device adopt STM32 chips, each functional part be modularized design, integrated level
Height, cost control is good.Design volume is compact, operation maintenance personnel scene can single-hand handling ＆ this equipment be capable of achieving sulfur hexafluoride gas
Detection.
2. applied widely, be easy to monitoring.The device is widely used in the monitoring of transformer station's room sulfur hexafluoride gas,
Operating ambient temperature span is big, is furnished with data-interface, is securable to somewhere and connects background analysis by data line, to send out
Go out and report to the police or start blower fan, can also carry with real-time detection, used as the alternative scheme of secure mounting arrangements, monitoring scheme is more
It is versatile and flexible, the safe and reliable of operating environment has been effectively ensured
3. non-contact detection mode, dependable performance.The device carries out ultrasonic analysis to realize by collection indoor gas
Testing goal, without the need for contacting charging equipment.And accuracy of detection is high（<50uL/L）, detection speed it is fast (<2min), can powerful guarantee
On-site personnel safety.
Description of the drawings：
Fig. 1 is front view of the present utility model；
Fig. 2 is right side view of the present utility model；
Fig. 3 is left side view of the present utility model；
Fig. 4 is internal structure schematic diagram of the present utility model；
Fig. 5 is theory diagram of the present utility model.
Specific embodiment：Specific embodiment of the present utility model is elaborated below in conjunction with the accompanying drawings：
Embodiment：A kind of transformer station SF6 gas ultrasound monitoring devices（Referring to Fig. 1-Fig. 5）, it includes resin enclosure 1, tree
Install LCDs 2 on fat shell 1 additional, the lower right of LCDs 2 is provided with status indicator lamp 4 on resin enclosure 1, and left side sets
Have power supply indicator 5, lower left side is provided with built-in Temperature Humidity Sensor 7 in resin enclosure 1, the outer lower left side of resin enclosure 1 with it is warm and humid
Degree sensor 7 relevant position is provided with blow vent 15.Resin enclosure 1 right side top be provided with charging and data-interface 10, charge and
Data-interface 10 employs four pin aviation sockets of 8 millimeters of bores, and the lower right-hand side of resin enclosure 1 is provided with power key 6.Outside resin
The top of shell 1 is flexibly connected by screw socket 9 and extends tracheae 8, is extended tracheae 8 and is used for collecting gas, and detachably；Resin enclosure
1 upper end extends the lower section of tracheae 8 and is embedded with air chamber 3, and the inside of resin enclosure 1 is provided with four cylindrical support bars 13, resin enclosure 1
Surface-mounted integrated circuit 12 is connected by cylindrical support bar 13, status indicator lamp 4 and power supply indicator 5 are plugged on surface-mounted integrated circuit
On 12, LCDs 2 is plugged on surface-mounted integrated circuit through special purpose interface 16, and the back side of surface-mounted integrated circuit 12 is provided with and power key
6 connected battery compartments 14, battery compartment 14 loads chargeable lithium cell, and battery compartment 14 is by wire welding to surface-mounted integrated circuit 12
Power port.Surface-mounted integrated circuit 12 is provided with STM32 chips, STM32 chips connect respectively 4 ~ 20mA output circuits, voltage ratio compared with
Circuit, A/D converter circuit, presentation of information and keyboard input module, charging and data-interface 10, Temperature Humidity Sensor 7, storage mould
Block, signal exciting circuit, LCDs 2, signal exciting circuit connection ultrasonic sensor 11, ultrasonic sensor 11 connects
Filter circuit, filter circuit connection signal amplification circuit, signal amplification circuit is more electric with 4 ~ 20mA output circuits, voltage ratio
Road, A/D converter circuit are connected.
When using, it is ensured that device battery is sufficient, presses power key 6, on device after electricity, 4 points of power supply indicator gives a green light, temperature
Humidity sensor 7 gathers ambient temperature and humidity information, is transferred to STM32 chips, exports then to LCDs 2 and shows.Device
Sulfur hexafluoride is input into the binary mixture of air to air chamber 3, the detection of ultrasonic sensor 11 generates mould by extending tracheae 6
Intend electric signal, interference signal is removed by filter circuit, pass to A/D converter circuit through signal amplification circuit and process, complete simulation
The conversion of digital quantity is measured, is finally transmitted into STM32 chips and is calculated, so as to draw sulfur hexafluoride gas concentration result, led to
Cross information display module to be displayed in LCDs 2.When sulfur hexafluoride gas concentration is exceeded, LCDs 2 shows dense
" exceeded " printed words are also indicated while spending, 5 points of status indicator lamp sends out a warning, when concentration is normal, LCDs 2 only shows dense
Degree, status indicator lamp 5 extinguishes.The metrical information of device is stored in memory module, and for user inquiry is called in the future.It is existing showing
Beyond field concentration, this device can also outputting standard 4 ~ 20mA current signals, by charging and data-interface 10 is by measurement result
Output is used for other instrument.Embodiment above is only that preferred embodiment of the present utility model is described, other
Preferred embodiment here is not tired out one by one and is stated, and not scope of the present utility model is defined, without departing from this practicality newly
On the premise of type design spirit, the various modifications that this area ordinary skill technical staff makes to the technical solution of the utility model
And improvement, all should fall within the protection domain that claims of the present utility model determine.
Claims (4)
1. a kind of transformer station SF6 gas ultrasound monitoring devices, it includes resin enclosure（1）, resin enclosure（1）It is provided with liquid crystal
Display screen（2）, resin enclosure（1）Upper LCDs（2）Lower section is provided with status indicator lamp（4）, power supply indicator（5）, its feature
It is resin enclosure（1）Interior lower left side is provided with built-in Temperature Humidity Sensor（7）, resin enclosure（1）Outer lower left side is passed with humiture
Sensor（7）Relevant position is provided with blow vent（15）；Resin enclosure（1）Right side top be provided with charging and data-interface（10）, tree
Fat shell（1）Lower right-hand side be provided with power key（6）；Resin enclosure（1）Top movable connection be used for collecting the prolongation of gas
Tracheae（8）, resin enclosure（1）Upper end extends tracheae（8）Air chamber is provided with lower section（3）, resin enclosure（1）Inside pass through cylinder
Shape support bar（13）Connection surface-mounted integrated circuit（12）, status indicator lamp（4）And power supply indicator（5）It is plugged on surface-mounted integrated circuit
（12）On, LCDs（2）Through special purpose interface（16）It is plugged on surface-mounted integrated circuit, surface-mounted integrated circuit（12）The back side is provided with
With power key（6）The battery compartment of connected loading chargeable lithium cell（14）, battery compartment（14）It is connected to surface-mounted integrated circuit（12）
Power port；Surface-mounted integrated circuit（12）STM32 chips are provided with, STM32 chips connect respectively 4 ~ 20mA output circuits, voltage
Comparison circuit, A/D converter circuit, presentation of information and keyboard input module, charging and data-interface（10）, Temperature Humidity Sensor
（7）, memory module, signal exciting circuit, LCDs（2）, signal exciting circuit connection ultrasonic sensor（11）, ultrasound
Wave sensor（11）Connection filter circuit, filter circuit connection signal amplification circuit, signal amplification circuit is exported with 4 ~ 20mA
Circuit, voltage comparator circuit, A/D converter circuit are connected.
2. a kind of transformer station SF6 gas ultrasound monitoring devices according to claim 1, it is characterised in that described charging and
Data-interface（10）Employ four pin aviation sockets of 8 millimeters of bores.
3. a kind of transformer station SF6 gas ultrasound monitoring devices according to claim 1, it is characterised in that outside described resin
Shell（1）Top pass through screw socket（9）It is flexibly connected and extends tracheae（8）.
4. a kind of transformer station SF6 gas ultrasound monitoring devices according to claim 1, it is characterised in that outside described resin
Shell（1）Inside be provided with four cylindrical support bars（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621131169.1U CN206114591U (en) | 2016-10-18 | 2016-10-18 | Gaseous supersound monitoring devices of SF6 of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621131169.1U CN206114591U (en) | 2016-10-18 | 2016-10-18 | Gaseous supersound monitoring devices of SF6 of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206114591U true CN206114591U (en) | 2017-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621131169.1U Expired - Fee Related CN206114591U (en) | 2016-10-18 | 2016-10-18 | Gaseous supersound monitoring devices of SF6 of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206114591U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248787A (en) * | 2016-10-18 | 2016-12-21 | 国网山东省电力公司烟台供电公司 | A kind of transformer station SF6 gas ultrasound monitoring device |
-
2016
- 2016-10-18 CN CN201621131169.1U patent/CN206114591U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248787A (en) * | 2016-10-18 | 2016-12-21 | 国网山东省电力公司烟台供电公司 | A kind of transformer station SF6 gas ultrasound monitoring device |
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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: 20170419 Termination date: 20181018 |