CN219416560U - GIS combined electrical apparatus rupture membrane on-line monitoring device - Google Patents
GIS combined electrical apparatus rupture membrane on-line monitoring device Download PDFInfo
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- CN219416560U CN219416560U CN202223485366.1U CN202223485366U CN219416560U CN 219416560 U CN219416560 U CN 219416560U CN 202223485366 U CN202223485366 U CN 202223485366U CN 219416560 U CN219416560 U CN 219416560U
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- 239000012528 membrane Substances 0.000 title claims abstract description 53
- 238000012806 monitoring device Methods 0.000 title claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 230000005672 electromagnetic field Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of on-line detection of GIS (gas insulated switchgear) combined electrical appliances of a transformer substation, and particularly relates to an on-line monitoring device for an explosion-proof membrane of a GIS combined electrical appliance. The gas leakage sensor comprises a GIS bus cylinder air chamber, a pressure release channel, a flange plate, an explosion-proof membrane and an SF6 gas leakage sensor, wherein the pressure release channel is fixed on the outer side of the GIS bus cylinder air chamber 1 through the flange plate, the pressure release channel is positioned on the outer side of the explosion-proof membrane, a gap is reserved between the pressure release channel and the explosion-proof membrane, and the SF6 gas leakage sensor is arranged between the pressure release channel and the explosion-proof membrane; the SF6 gas leakage sensor is used for monitoring the gas leakage concentration and leakage amount in real time, and the SF6 gas leakage sensor is in wireless connection with an external computer. The utility model relates to an on-line monitoring device for the explosion-proof membrane of the GIS combined electrical apparatus, which has reliable safety performance and good economic benefit.
Description
Technical Field
The utility model belongs to the technical field of on-line detection of GIS (gas insulated switchgear) combined electrical appliances of a transformer substation, and particularly relates to an on-line monitoring device for an explosion-proof membrane of a GIS combined electrical appliance.
Background
GIS (combined electrical apparatus) has many internal elements, many air chambers and many insulating parts, and the possibility of ground faults exists. The duration of the grounding fault arc in the GIS is longer, the arc energy enables the temperature and the pressure of SF6 to rise at the fault interval of the GIS, the GIS shell can possibly burn through or some links with weaker strength are blasted, in order to prevent the damage of the GIS, an explosion-proof membrane is usually arranged at a relatively multiple position of the internal fault of the GIS, and once the air pressure suddenly increases, the explosion-proof membrane is detonated and decompressed to protect the safety of the GIS shell.
On the other hand, the factors influencing the abnormal rupture of the explosion-proof membrane are many, mainly include that the explosion-proof membrane parameter selection is improper during the design, the explosion-proof membrane is corroded by oxidation, external damage or operation and maintenance are improper make reasons such as explosion-proof membrane antiknock ability decline, the prior art only provides a physical pressure release's passageway to the GIS explosion-proof membrane, when the inside unusual internal pressure of GIS emergence is greater than the explosion-proof membrane rating, the explosion-proof membrane only can damage, can not send the warning signal, only wait until the pressure of the air chamber that the explosion-proof membrane belongs to falls below rated pressure, the low unusual signal of atmospheric pressure can be shown to the backstage supervisor, and the fortune dimension personnel can not grasp this air chamber gas leakage position in the first time, can't confirm whether the gas leakage reason is explosion-proof membrane rupture and cause, and then increased the time that the personnel on duty confirm specific trouble, it is very inconvenient to maintainer in time to handle the defect. Therefore, the on-line monitoring device for the explosion-proof membrane of the GIS is developed, the on-line monitoring device is arranged between the explosion-proof membrane and the pressure release channel, SF6 leakage information can be detected at the first time when the explosion-proof membrane breaks and leaks air, leakage signals are uploaded to a monitoring background for analysis and treatment, abnormal alarms are issued in time, and the safe and stable operation of GIS equipment of a transformer substation is effectively ensured.
Disclosure of Invention
The utility model aims to provide an on-line monitoring device for an explosion-proof membrane of a GIS combined electrical apparatus, which is used for solving the problems that in the prior art, operation and maintenance personnel cannot master the air leakage position of an air chamber at the first time and cannot determine whether the air leakage cause is caused by the rupture of the explosion-proof membrane, so that the time for an operator on duty to determine specific faults is increased, and great inconvenience is brought to the timely treatment of defects by an maintainer.
In order to achieve the above purpose, the technical scheme adopted by the utility model comprises the following specific steps:
the utility model provides a GIS combined electrical apparatus rupture membrane on-line monitoring device, includes GIS generating line section of thick bamboo air chamber, pressure release passageway, ring flange, rupture membrane, SF6 gas leakage sensor, the pressure release passageway is fixed in GIS generating line section of thick bamboo air chamber outside through the ring flange, and the pressure release passageway is located the outside of rupture membrane, and leaves the space between pressure release passageway and the rupture membrane, and SF6 gas leakage sensor installs between pressure release passageway and rupture membrane; the SF6 gas leakage sensor is used for monitoring the gas leakage concentration and leakage amount in real time, and the SF6 gas leakage sensor is in wireless connection with an external computer.
Further, the flange plate is fixed with the GIS bus cylinder air chamber through bolts.
Furthermore, the SF6 gas leakage sensor adopts an isolation sensor, so that the SF6 gas leakage sensor can work under a strong electromagnetic field.
Further, the shell of the SF6 gas leakage sensor adopts a dampproof element and a waterproof structure for protection, so that the SF6 gas leakage sensor can work normally in an outdoor environment.
In summary, due to the adoption of the technical scheme, the beneficial technical effects of the utility model are as follows:
the utility model provides a GIS combined electrical apparatus rupture membrane on-line monitoring device installs this monitoring device through the space department between rupture membrane and pressure release passageway, when the rupture membrane broke down the gas leakage, SF6 gas leakage sensor detects SF6 leakage information very first time to with leaking signal upload to monitoring backstage analysis processing, in time release unusual warning, the backstage can calculate current air chamber SF6 gas leakage rate and capacity variation through received leakage information, provide time reference for fortune maintenance personnel, remind fortune maintenance personnel to in time go to the leak site and handle.
The on-line monitoring device for the explosion-proof membrane of the GIS combined electrical apparatus can timely monitor the damage and air leakage conditions of the explosion-proof membrane of the GIS combined electrical apparatus in a transformer substation, effectively ensures the safety and stability of the operation of the GIS combined electrical apparatus equipment, and has extremely high economic and safety benefits for the daily work of operation and maintenance staff.
The on-line monitoring device for the explosion-proof membrane of the GIS solves the problem of on-line monitoring of the explosion-proof membrane of the GIS, provides a valuable reference for safe and stable operation of GIS equipment, and reduces the occurrence rate of an expansion accident caused by the explosion-proof membrane breakage and the gas leakage in a transformer substation.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a schematic view of the installation structure of the rupture disc of the present utility model.
Fig. 3 is a schematic view of an installation structure of the SF6 gas leakage sensor of the present utility model.
In the figure: GIS bus cylinder air chamber 1, bolt 2, pressure release channel 3, ring flange 4, rupture membrane 5, SF6 gas leakage sensor 6.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the following examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1-3, an on-line monitoring device for an explosion-proof membrane of a GIS combined electrical apparatus is composed of a GIS bus cylinder air chamber 1, a pressure release channel 3, a flange 4, an explosion-proof membrane 5 and an SF6 gas leakage sensor 6, wherein the explosion-proof membrane 5 is installed on the GIS bus cylinder air chamber 11, the pressure release channel 3 is fixedly installed outside the explosion-proof membrane 5 through the flange 4 by bolts 2, the SF6 gas leakage sensor 6 is installed at a gap between the explosion-proof membrane 5 and the pressure release channel 3, when the explosion-proof membrane 5 breaks and leaks air, the SF6 gas leakage sensor 6 detects SF6 leakage information at the first time, and sends leakage signals to a monitoring background for analysis and treatment, abnormal alarms are issued in time to remind operation and maintenance staff to go to the leakage points for treatment, on the other hand, the SF6 gas leakage sensor 6 can monitor gas leakage concentration and leakage amount in real time, the background receives the analysis and treatment of the leakage information, the current SF6 gas leakage rate and capacity change can be calculated, and time references are provided for operation and maintenance staff. The monitoring device adopts the sensor with shielding isolation technology, ensures that the monitoring device can work under a strong electromagnetic field, adopts a special dampproof element, has dampproof treatment on an internal circuit board, adopts a waterproof structure on a shell, ensures normal work under an outdoor environment, and has the advantages of small volume, light weight, convenient installation, low comprehensive cost and the like.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (4)
1. The utility model provides a GIS combined electrical apparatus rupture membrane on-line monitoring device, includes GIS bus cylinder air chamber (1), pressure release passageway (3), ring flange (4), rupture membrane (5), SF6 gas leakage sensor (6), its characterized in that, pressure release passageway (3) are fixed in GIS bus cylinder air chamber (1) outside through ring flange (4), pressure release passageway (3) are located the outside of rupture membrane (5), and leave the space between pressure release passageway (3) and rupture membrane (5), SF6 gas leakage sensor (6) are installed between pressure release passageway (3) and rupture membrane (5); the SF6 gas leakage sensor (6) is used for monitoring the gas leakage concentration and the leakage amount in real time, and the SF6 gas leakage sensor (6) is connected with an external computer in a wireless mode.
2. The GIS combined electrical appliance explosion-proof membrane on-line monitoring device according to claim 1, wherein the flange plate (4) is fixed with the GIS bus cylinder air chamber (1) through bolts (2).
3. The GIS combined electrical appliance explosion-proof membrane on-line monitoring device according to claim 1, wherein the SF6 gas leakage sensor (6) is an isolation sensor, and the SF6 gas leakage sensor (6) can work under a strong electromagnetic field.
4. The GIS combined electrical appliance explosion-proof membrane on-line monitoring device according to claim 1, wherein the shell of the SF6 gas leakage sensor (6) adopts a dampproof element and a waterproof structure for protection, so that the SF6 gas leakage sensor (6) can work normally in an outdoor environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223485366.1U CN219416560U (en) | 2022-12-27 | 2022-12-27 | GIS combined electrical apparatus rupture membrane on-line monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223485366.1U CN219416560U (en) | 2022-12-27 | 2022-12-27 | GIS combined electrical apparatus rupture membrane on-line monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219416560U true CN219416560U (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223485366.1U Active CN219416560U (en) | 2022-12-27 | 2022-12-27 | GIS combined electrical apparatus rupture membrane on-line monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219416560U (en) |
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2022
- 2022-12-27 CN CN202223485366.1U patent/CN219416560U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231204 Address after: 730070 NO.67, Beibinhe West Road, Anning District, Lanzhou City, Gansu Province Patentee after: Lanzhou Yineng power (Group) Co.,Ltd. Address before: 730000, No. 132, Taolin Road, Anning District, Lanzhou City, Gansu Province Patentee before: LANZHOU POWER SUPPLY COMPANY OF STATE GRID GANSU ELECTRIC POWER Co. |