CN220120761U - GIS air chamber decomposer on-line fault monitoring device - Google Patents
GIS air chamber decomposer on-line fault monitoring device Download PDFInfo
- Publication number
- CN220120761U CN220120761U CN202320492153.7U CN202320492153U CN220120761U CN 220120761 U CN220120761 U CN 220120761U CN 202320492153 U CN202320492153 U CN 202320492153U CN 220120761 U CN220120761 U CN 220120761U
- Authority
- CN
- China
- Prior art keywords
- air
- gas
- inlet
- valve
- electromagnetic valve
- 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.)
- Active
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 23
- 230000000087 stabilizing effect Effects 0.000 claims description 24
- 238000011084 recovery Methods 0.000 claims description 19
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 238000000835 electrochemical detection Methods 0.000 claims description 15
- 238000012544 monitoring process Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 78
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 230000004089 microcirculation Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides an online fault monitoring device for a GIS air chamber decomposer, which comprises a decomposer detection unit, an air path control unit, an air taking module, an air pump control system, a tail gas collection module and a power supply module, wherein the air taking module is connected with the air pump control system; the gas taking module is used for taking gas, then the gas enters the decomposition product detection unit through the gas path control unit and the gas pump control system for detection, the decomposition product detection unit converts the gas content from an electrochemical signal into an electric signal after detection, and the electric signal is amplified and then is transmitted to the microprocessor and the AD converter; converting the analog quantity into a digital quantity and uploading the digital quantity to a control system; when the detected value exceeds the normal value, the equipment sends out information; finally, collecting the detected tail gas to a tail gas collecting module by a gas circuit control unit and a gas pump control system; by the technical scheme, the component content of SF6 gas decomposer of equipment can be rapidly detected and judged when the on-site faults are solved, and the latent faults of the equipment can be rapidly diagnosed.
Description
Technical Field
The utility model relates to the technical field of GIS air chambers, in particular to an online fault monitoring device for a decomposition product of a GIS air chamber.
Background
Gas Insulated Switchgear (GIS) is an important device in high voltage lines, which uses SF6 gas as the insulating and arc extinguishing medium. Various defects in the long-term operation process of the equipment can cause SF6 gas to deteriorate, so that the equipment cannot normally operate, and therefore, the method has very important significance in timely finding out the discharge fault of the equipment and providing early warning.
At present, the offline detection is mainly used for judging the fault state by analyzing SF6 gas components, namely, a sample is collected and then sent to a laboratory for precise analysis, such as infrared spectrum, chromatography-mass spectrometry and other methods. The equipment cannot be applied to the equipment site due to the huge volume, and the sampling interval is long, so that the fault defect of the equipment cannot be found in time.
At present, an online monitoring system mainly collects signals such as temperature, pressure, humidity, leakage and the like in equipment, but cannot judge the change of components, and can only represent the state of the equipment to a certain extent.
Disclosure of Invention
Therefore, the utility model aims to provide the on-line fault monitoring device for the GIS gas chamber decomposer, which can realize the rapid detection and judgment of the component content of the SF6 gas decomposer of equipment and the rapid diagnosis of equipment latent faults when solving the on-site faults.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the GIS air chamber decomposer on-line fault monitoring device comprises a decomposer detection unit, an air path control unit, an air taking module, an air pump control system, a tail gas collection module and a power supply module; the gas taking module is used for taking gas, then the gas enters the decomposition product detection unit through the gas path control unit and the gas pump control system for detection, the decomposition product detection unit converts the gas content from an electrochemical signal into an electric signal after detection, and the electric signal is amplified and then is transmitted to the microprocessor and the AD converter; converting the analog quantity into a digital quantity and uploading the digital quantity to a control system; when the detected value exceeds the normal value, the equipment sends out information; and finally, collecting the detected tail gas to a tail gas collecting module by a gas circuit control unit and a gas pump control system.
In a preferred embodiment, the air taking module comprises a proportional control valve, a pressure stabilizing valve, a pressure sensor, a PWM driving circuit and a PID control program; the sample inlet is connected with a pressure stabilizing valve through a stainless steel pipeline, and the pressure stabilizing valve is connected with a proportional regulating valve; the pressure stabilizing valve stabilizes the pressure of the decomposition product detecting unit to 0.25MPa, then inputs the pressure to the proportional regulating valve, controls the proportional regulating valve through the PWM driving circuit, and enables the flow rate of gas entering the gas path control unit to be 200ml/min and the pressure to be 0.1MPa through a PID control program.
In a preferred embodiment, the air path control unit includes an air path switching module and a plurality of solenoid valves.
In a preferred embodiment, the decomposition product detection unit comprises an electrochemical detection air chamber, an electrochemical sensor and a front acquisition board; the electrochemical sensor is fixed and sealed through an upper cover and a lower cover of an electrochemical detection air chamber, the electrochemical detection air chamber comprises a sample inlet and an air outlet, the sample inlet is arranged on the side surface, air is taken in from the side surface to avoid the impact of air on the electrochemical sensor, and the upper cover and the lower cover are opposite to each other through a sealing ringFixing an electrochemical sensor comprising SO 2 Sensor, H 2 S sensor and CO sensor.
In a preferred embodiment, the exhaust gas collection module comprises a flexible gas collection bag, a buffer gas chamber, a recovery buffer gas chamber and a gas collection bag protection device; one end of the flexible air collecting bag is connected with the buffer air chamber, and the other end of the flexible air collecting bag is connected with the recovery buffer air chamber.
In a preferred embodiment, the air pump control system comprises a vacuum pump, an inflation pump, an air pump leakage protection device and an air path connection system; the vacuum pump vacuumizes the pipeline and the steel cylinder, and the inflating pump pumps the gas back to the pump body of the equipment.
In a preferred embodiment, the connection relationship between the detection air paths is: the GIS gas taking port is connected with the gas inlet; the air inlet is connected with a manual stop valve inlet, the first pressure sensor is connected between the manual stop valve and the first electromagnetic valve through a tee joint, the manual stop valve outlet is connected with a first electromagnetic valve inlet, the first electromagnetic valve outlet is connected with a pressure stabilizing valve inlet, the pressure stabilizing valve outlet is connected with a first proportional regulating valve inlet, the first proportional regulating valve outlet is connected with a second electromagnetic valve inlet, the second electromagnetic valve outlet is connected with an electrochemical detection air chamber inlet, the electrochemical detection air chamber outlet is connected with a flow sensor inlet, the flow sensor outlet is connected with a third electromagnetic valve inlet, the third electromagnetic valve outlet is connected with a recovery buffer air chamber inlet, the recovery buffer air chamber outlet is connected with a fourth electromagnetic valve inlet, and the second pressure sensor is connected between the recovery buffer air chamber and the fourth electromagnetic valve through a tee joint.
In a preferred embodiment, the loop is connected between: the GIS gas taking port is connected with the gas inlet; the air inlet is connected with the inlet of the manual stop valve, the first pressure sensor is connected between the manual stop valve and the first electromagnetic valve through a tee joint, and also between the air outlet of the first one-way valve and the air outlet of the manual stop valve, the air outlet of the fifth electromagnetic valve is connected with the air inlet of the one-way valve, the air outlet of the air pump is connected with the air inlet of the fifth electromagnetic valve, one end of the tee joint electromagnetic valve is connected with the air inlet of the second one-way valve, one end of the tee joint electromagnetic valve is connected with the air inlet of the fifth electromagnetic valve, the other end of the tee joint electromagnetic valve is connected with the air outlet of the air pump, the air outlet of the second one-way valve is connected with the cache air chamber, the cache air chamber is connected with the third pressure sensor, the air inlet of the sixth electromagnetic valve is connected with the pressure stabilizing valve, and the pressure stabilizing valve is connected with the air inlet of the air pump.
Compared with the prior art, the utility model has the following beneficial effects:
1: s02, H2S, CO and multi-component online monitoring, and analyzing and diagnosing the degradation state and trend of the SF6 circuit breaker in real time; l (L)
2: the SF6 gas microcirculation function solves the defect that only local dead angles of SF6 joints are generally monitored at present;
3: the sampling gas is automatically stored, and the SF6 circuit breaker is subjected to low-pressure automatic air supplementing technology, so that zero emission is realized, and the safety and the environmental protection are realized;
4: self-calibrating the zero period of the sensor, ensuring the precision of the sensor and automatically compensating the temperature of the sensor;
5: and the intelligent control is performed on site, and manual operation is not needed. The remote data platform is timely and convenient, and remote early warning and gas cylinder replacement prompt are carried out;
6: the self-checking device has a self-checking function, and can perform self-checking and fault prompting on main sensors and components.
Drawings
FIG. 1 is a block diagram of a preferred embodiment of the utility model;
FIG. 2 is a circuit diagram of a preferred embodiment of the utility model;
FIG. 3 is detection gas circuit logic of a preferred embodiment of the utility model;
fig. 4 is loop logic of a preferred embodiment of the utility model.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model; as used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Referring to fig. 1 to 4, the on-line fault monitoring device for the decomposition products of the GIS gas chamber comprises a decomposition product detection unit 400, a gas path control unit 300, a gas taking module 200, a gas pump control system 800, a tail gas collection module 700 and a power supply module 500; the gas taking module 200 takes gas, then enters the decomposition product detection unit 400 through the gas path control unit 300 and the gas pump control system 800 for detection, and the decomposition product detection unit 400 converts the gas content from an electrochemical signal into an electric signal after detection, and then transmits the electric signal to the microprocessor and the AD converter after amplification; converting the analog quantity into a digital quantity and uploading the digital quantity to a control system; when the detected value exceeds the normal value, the equipment sends out information; finally, the detected tail gas is collected to the tail gas collection module 700 by the gas circuit control unit 300 and the gas pump control system 800. The utility model takes gas through a gas sampling port by a site GIS or a breaker device, after decompression and pressure stabilization, the gas is controlled by a proportional valve, the gas is sent to an electrochemical sensor for testing, the gas content is converted into corresponding electric signals from electrochemical signals, the corresponding electric signals are sent to a microprocessor and an A/D converter after amplification, analog quantity is converted into corresponding digital quantity, after temperature compensation, linear processing and cross interference compensation, detection data are uploaded to a system in a communication mode, and the data are sent to a memory for storage; when the detected value exceeds the normal value, the equipment gives out an audible and visual alarm, and analysis and judgment are carried out according to the state of the equipment according to the detection data. The gas circuit control unit and the gas pump control module system work to collect the detected tail gas, and after purification and drying treatment, the detected tail gas is pumped back to the equipment body, so that zero emission of greenhouse gas is realized. The gas taking module is located at the uppermost part of the installation cabinet, the gas circuit control unit 300 is located below the display system 100, the decomposition product detection unit 400 and the power module 500 are located below the gas circuit control unit 300, and the data transmission module 600, the tail gas collection module 700 and the air pump control system 800 are located at the lowermost part.
The air taking module comprises a proportional regulating valve, a pressure stabilizing valve, a pressure sensor, a PWM driving circuit and a PID control program; the sample inlet is connected with a pressure stabilizing valve through a stainless steel pipeline, and the pressure stabilizing valve is connected with a proportional regulating valve; the joint connection adopts a clamping sleeve structure. The pressure stabilizing valve stabilizes the pressure of the decomposition product detecting unit to 0.25MPa, then inputs the pressure to the proportional regulating valve, controls the proportional regulating valve through the PWM driving circuit, and enables the flow rate of gas entering the gas path control unit to be 200ml/min and the pressure to be 0.1MPa through a PID control program.
The gas circuit control unit comprises a gas circuit switching module and a plurality of electromagnetic valves. The air channel switching module adopts a modularized design, and a control air channel is designed on the module according to air channel logic, so that pipeline connection, connectors and the like are reduced, and the air leakage risk is reduced.
The decomposition product detection unit comprises an electrochemical detection air chamber, an electrochemical sensor and a front acquisition plate; the electrochemical sensor is fixed and sealed through an upper cover and a lower cover of an electrochemical detection air chamber, the electrochemical detection air chamber comprises a sample inlet and an air outlet, the sample inlet is arranged on the side surface, air is taken in from the side surface to avoid the impact of air on the electrochemical sensor, the upper cover and the lower cover fix the electrochemical sensor through a sealing ring, and the electrochemical sensor comprises SO (solid oxide) and air inlet 2 Sensor, H 2 S sensor and CO sensor.
The tail gas collection module comprises a flexible gas collecting bag, a buffer air chamber, a recovery buffer air chamber and a gas collecting bag protection device; one end of the flexible air collecting bag is connected with the buffer air chamber, and the other end of the flexible air collecting bag is connected with the recovery buffer air chamber.
The power module consists of a switching power supply AC/DC module 24V, DC/DC 24V-to-5V module, a 5V-to-3.3 module and an isolation power module (an air pump working power module), the air pump power supply is independently powered, the impact and the interference of the air pump working on the system can be avoided, and the 5V power module and the 3V power module are used for powering the circuit system and the electromagnetic valve.
The air pump control system comprises a vacuum pump, a return air pump, an air pump air leakage protection device and an air circuit connection system; the vacuum pump vacuumizes the pipeline and the steel cylinder, and the inflating pump pumps the gas back to the pump body of the equipment. The outside of the flexible air collecting bag is protected by adopting an air collecting bag protecting device, so that the air collecting bag is prevented from being damaged. The flexible gas collecting bag can improve the gas recovery rate and avoid gas residues.
The connection relation between the detection gas paths is as follows: the GIS gas taking port 1 is connected with the gas inlet 2; the air inlet 2 is connected with the inlet of the manual stop valve 3, the first pressure sensor 4 is connected between the manual stop valve 3 and the first electromagnetic valve 5 through a tee joint, the outlet of the manual stop valve 2 is connected with the inlet of the first electromagnetic valve 5, the outlet of the first electromagnetic valve 5 is connected with the inlet of the pressure stabilizing valve 6, the outlet of the pressure stabilizing valve 6 is connected with the inlet of the first proportional regulating valve 7, the outlet of the first proportional regulating valve 7 is connected with the inlet of the second electromagnetic valve 8, the outlet of the second electromagnetic valve 8 is connected with the inlet of the electrochemical detection air chamber 9, the outlet of the electrochemical detection air chamber 9 is connected with the inlet 10 of the flow sensor, the outlet of the flow sensor 10 is connected with the inlet of the third electromagnetic valve 11, the outlet of the third electromagnetic valve 11 is connected with the inlet of the recovery buffer air chamber 12, the outlet of the recovery buffer air chamber 12 is connected with the inlet of the fourth electromagnetic valve 13 through a tee joint, and the second pressure sensor 14 is connected between the recovery buffer air chamber 12 and the fourth electromagnetic valve 13.
The loop air charging circuits are connected with each other: the GIS gas taking port 1 is connected with the gas inlet 2; the air inlet 2 is connected with the inlet of the manual stop valve 3, the first pressure sensor 4 is connected between the manual stop valve 3 and the first electromagnetic valve 5 through a tee joint, the air outlet of the first one-way valve 15 is connected with the air outlet of the manual stop valve 3, the air outlet of the fifth electromagnetic valve 16 is connected with the air inlet of the one-way valve 18, the air outlet of the air pump 22 is connected with the air inlet of the fifth electromagnetic valve 16, one end of the tee joint electromagnetic valve 17 is connected with the air inlet of the second one-way valve 18, one end of the tee joint electromagnetic valve 17 is connected with the air outlet of the air pump 22, the air outlet of the second one-way valve 18 is connected with the buffer air chamber 19, the buffer air chamber 19 is connected with the third pressure sensor 20, the buffer air chamber 19 is connected with the air inlet of the sixth electromagnetic valve 21, the air outlet of the sixth electromagnetic valve 21 is connected with the pressure stabilizing valve 6, and the pressure stabilizing valve 6 is connected with the air inlet of the air pump 22.
The application method of the GIS air chamber decomposition product on-line fault monitoring device adopts the GIS air chamber decomposition product on-line fault monitoring device; after power-on, the control system firstly initializes itself, and after reading parameters set by the Flash memory, sends and receives data requests through interfaces provided by the electrochemical sensor, the electromagnetic valve, the proportional control valve and the pressure sensor; after initialization, after receiving a data request instruction sent by a control system, reading data of the electrochemical sensor, and making a corresponding instruction action to send the instruction action to the control system through an interface; after receiving the information of each electrochemical sensor and each pressure sensor, the control system makes electromagnetic valve action, calculates and analyzes, and reads various critical values set by a user; when the data exceeds the alarm set value, the control system sends an instruction to the indication and alarm module, and the alarm LED starts to flash and warn; when the intelligent online host computer performs data query, the control system packages the data according to the agreed data format, and sends the data to a background or server platform for processing and sharing.
The first pressure sensor 4 detects the pressure of a GIS air outlet; the first electromagnetic valve 5 is opened when the detection is ready; the first proportional control valve 7 and the second electromagnetic valve 8 are opened, and the first proportional control valve 7 simultaneously controls the flow to reach 200ml per minute; after entering a detection state, the pressure of the recovery buffer chamber 12 starts to rise, and when the pressure of the second pressure sensor 14 exceeds 1KPa, the control logic of the air charging circuit is pressed; the second pressure sensor 14 monitors the pressure of the recovery buffer chamber 12, the upper limit value of the pressure is set to be 1.5KPa, when the pressure enters the loop inflation control logic, the first proportional control valve 7 and the second electromagnetic valve 8 are continuously detected, one loop detection is met, and when the second pressure sensor 14 is 0 during gas pump recovery, the valve can be closed firstly; when entering the loop control logic, the lower limit value of the second pressure sensor 14 is set to 0KPa;
after the decomposition product detects that one cycle is finished, the air pump 22 is started, the fifth electromagnetic valve 16 and the sixth electromagnetic valve 21 are opened, the far-end GIS control valve and the near-end GIS control valve are opened, the third pressure sensor 20 monitors that the gas is refilled into the GIS; the lower limit value of the third pressure sensor 20 is set to 0KPa, the air pump is stopped, the fifth solenoid valve 16 and the sixth solenoid valve 21 are closed, and the distal and proximal GIS control valves are closed.
Claims (5)
1. The on-line fault monitoring device for the decomposition products of the GIS air chamber is characterized by comprising a decomposition product detection unit, an air path control unit, an air taking module, an air pump control system, a tail gas collection module and a power supply module; the air taking module comprises a proportional regulating valve, a pressure stabilizing valve, a pressure sensor, a PWM driving circuit and a PID control program; the sample inlet is connected with a pressure stabilizing valve through a stainless steel pipeline, and the pressure stabilizing valve is connected with a proportional regulating valve; the pressure stabilizing valve stabilizes the pressure of the decomposition product detection unit to 0.25MPa, then inputs the pressure to the proportional regulating valve, controls the proportional regulating valve through the PWM driving circuit, and enables the flow rate of gas entering the gas path control unit to be 200ml/min and the pressure to be 0.1MPa through a PID control program; the gas circuit control unit comprises a gas circuit switching module and a plurality of electromagnetic valves; the decomposition product detection unit comprises an electrochemical detection air chamber, an electrochemical sensor and a front acquisition plate; the electrochemical sensor is fixed and sealed through an upper cover and a lower cover of an electrochemical detection air chamber, the electrochemical detection air chamber comprises a sample inlet and an air outlet, the sample inlet is arranged on the side surface, air is taken in from the side surface to avoid the impact of air on the electrochemical sensor, the upper cover and the lower cover fix the electrochemical sensor through a sealing ring, and the electrochemical sensor comprises SO (solid oxide) and air inlet 2 Sensor, H 2 S sensor and CO sensor.
2. The on-line fault monitoring device for a GIS air chamber decomposer according to claim 1, wherein the tail gas collecting module comprises a flexible air collecting bag, a buffer air chamber, a recovery buffer air chamber and an air collecting bag protecting device; one end of the flexible air collecting bag is connected with the buffer air chamber, and the other end of the flexible air collecting bag is connected with the recovery buffer air chamber.
3. The on-line fault monitoring device for the decomposition products of the GIS air chamber according to claim 2, wherein the air pump control system comprises a vacuum pump, an inflation pump, an air pump leakage protection device and an air circuit connection system; the vacuum pump vacuumizes the pipeline and the steel cylinder, and the inflating pump pumps the gas back to the pump body of the equipment.
4. The device for on-line fault monitoring of a decomposition product in a Gas Insulated Switchgear (GIS) gas chamber according to claim 3, wherein the connection relationship between the detection gas paths is: the GIS gas taking port is connected with the gas inlet; the air inlet is connected with a manual stop valve inlet, the first pressure sensor is connected between the manual stop valve and the first electromagnetic valve through a tee joint, the manual stop valve outlet is connected with a first electromagnetic valve inlet, the first electromagnetic valve outlet is connected with a pressure stabilizing valve inlet, the pressure stabilizing valve outlet is connected with a first proportional regulating valve inlet, the first proportional regulating valve outlet is connected with a second electromagnetic valve inlet, the second electromagnetic valve outlet is connected with an electrochemical detection air chamber inlet, the electrochemical detection air chamber outlet is connected with a flow sensor inlet, the flow sensor outlet is connected with a third electromagnetic valve inlet, the third electromagnetic valve outlet is connected with a recovery buffer air chamber inlet, the recovery buffer air chamber outlet is connected with a fourth electromagnetic valve inlet, and the second pressure sensor is connected between the recovery buffer air chamber and the fourth electromagnetic valve through a tee joint.
5. The device for on-line fault monitoring of a GIS air chamber decomposer of claim 4, wherein the loop air charging circuits are connected with each other by: the GIS gas taking port is connected with the gas inlet; the air inlet is connected with the inlet of the manual stop valve, the first pressure sensor is connected between the manual stop valve and the first electromagnetic valve through a tee joint, and also between the air outlet of the first one-way valve and the air outlet of the manual stop valve, the air outlet of the fifth electromagnetic valve is connected with the air inlet of the one-way valve, the air outlet of the air pump is connected with the air inlet of the fifth electromagnetic valve, one end of the tee joint electromagnetic valve is connected with the air inlet of the second one-way valve, one end of the tee joint electromagnetic valve is connected with the air inlet of the fifth electromagnetic valve, the other end of the tee joint electromagnetic valve is connected with the air outlet of the air pump, the air outlet of the second one-way valve is connected with the cache air chamber, the cache air chamber is connected with the third pressure sensor, the air inlet of the sixth electromagnetic valve is connected with the pressure stabilizing valve, and the pressure stabilizing valve is connected with the air inlet of the air pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320492153.7U CN220120761U (en) | 2023-03-15 | 2023-03-15 | GIS air chamber decomposer on-line fault monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320492153.7U CN220120761U (en) | 2023-03-15 | 2023-03-15 | GIS air chamber decomposer on-line fault monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220120761U true CN220120761U (en) | 2023-12-01 |
Family
ID=88914416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320492153.7U Active CN220120761U (en) | 2023-03-15 | 2023-03-15 | GIS air chamber decomposer on-line fault monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220120761U (en) |
-
2023
- 2023-03-15 CN CN202320492153.7U patent/CN220120761U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203894243U (en) | Automatic sulfur hexafluoride online sampling and detecting device | |
| CN102364327A (en) | Sulfur hexafluoride gas-filled type current transformer insulation state on-line monitoring system and method | |
| CN101191754A (en) | Checking apparatus for checking product sealing performance and checking method | |
| CN107247108B (en) | Transformer oil on-line monitoring high-concentration vacuum oil-gas separation device and method | |
| CN202256131U (en) | Insulation status online monitoring system of sulfur hexafluoride inflatable-type current transformer | |
| CN109374833A (en) | A kind of SF6 gas intelligent checking system and method | |
| CN108760279B (en) | Harsh working condition valve test device capable of monitoring valve torque and sealing | |
| CN103412014A (en) | On-line detection instrument and method for hydrogen fluoride gas | |
| CN104215290B (en) | Differential pressure type volume measurement method | |
| CN103876744A (en) | Water removal device, method and system used for air sampling | |
| CN220120761U (en) | GIS air chamber decomposer on-line fault monitoring device | |
| CN203682192U (en) | Full-automatic oxygen concentration monitoring nitrogen storage box | |
| CN101839959A (en) | Method and device for locating electrical failure of SF6 equipment | |
| CN116223593A (en) | GIS air chamber decomposer online fault monitoring device and application method thereof | |
| CN110850240A (en) | High tension switchgear partial discharge ozone on-line monitoring device | |
| CN112815228A (en) | SF (sulfur hexafluoride)6Intelligent inflating device of operating equipment | |
| CN111811859A (en) | Comprehensive detection device of molecular sieve oxygen generation system | |
| CN110314486A (en) | A kind of Portable sulphur hexafluoride tail gas recycle and purification device | |
| CN2483707Y (en) | Gas leakage hunting apparatus | |
| CN201740843U (en) | SF6 equipment electrical failure location device | |
| CN109283297B (en) | Independent calibration sampling system for hydrogen online analysis | |
| CN210623058U (en) | Performance detection control device for electric air compressor for new energy vehicle | |
| CN210005179U (en) | sealed automatic detection system | |
| CN208780409U (en) | A kind of environmental experiment cabin tightness detector | |
| CN210322872U (en) | Freon leakage detection system based on singlechip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |