CN207095963U - Gas-insulated switch station rupture pressure disc off-line testing device - Google Patents
Gas-insulated switch station rupture pressure disc off-line testing device Download PDFInfo
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- CN207095963U CN207095963U CN201721035097.5U CN201721035097U CN207095963U CN 207095963 U CN207095963 U CN 207095963U CN 201721035097 U CN201721035097 U CN 201721035097U CN 207095963 U CN207095963 U CN 207095963U
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Abstract
Technical field of electric equipment is the utility model is related to, more particularly to a kind of gas-insulated switch station rupture pressure disc off-line testing device, including：Pressure resistant vessel, for being charged gas or being extracted gas to simulate online air chamber pressure operating mode, it is provided with installation port and gas inlet and outlet；Gas treatment equipment, connected by special tracheae with gas inlet and outlet, be filled with or extract out for carrying out gas to pressure resistant vessel；Rupture pressure disc to be measured, it is seal-installed on installation port；Pressure-detecting device, it is connected with pressure resistant vessel, for detecting the pressure value of pressure resistant vessel.The off-line testing device, each Work condition analogue can be carried out in thread test to rupture pressure disc under off-line state, can not only spare part examination be carried out to new rupture pressure disc spare part, reduce the risk ruptured after new rupture pressure disc installation, ensure the availability of arrival rupture pressure disc spare part, rupture pressure disc to be replaced can also be checked before overhaul, reduce the risk ruptured after rupture pressure disc is changed, ensured that rupture pressure disc more changes jobs and finish on schedule.
Description
Technical field
Technical field of electric equipment is the utility model is related to, it is offline more particularly to a kind of gas-insulated switch station rupture pressure disc
Experimental rig.
Background technology
SF6 (sulfur hexafluoride) has good insulating properties and arc extinction performance, is widely used in electronics, electrical equipment
In, its typical application is to be used as gas-insulated in the high-tension switch cabinet of the power transmission and transformation institute of power supply department, power plant etc..
Current each power station GIS (Gas Insulated Switchgear Cubicle Gas-Insulated Switchgears) rupture pressure disc
Do not carry out experiment examination to rupture pressure disc spare part, and spare part is only checked and accepted by visual examination and the report of dispatching from the factory.Rupture pressure disc installation is adopted
Rupture pressure disc reliability is assessed used in the mode of thread test, inflates and vacuumizes in GIS after the installation of no verification experimental verification, i.e. rupture pressure disc
Link examine rupture pressure disc.
For example, Daya Bay nuclear power plant's main switch station GIS rupture pressure discs are not checked using offline pressure-bearing test method in the past
Rupture pressure disc reliability, experiment examination is not carried out yet to rupture pressure disc spare part, always using assessing rupture pressure disc by the way of thread test.
At present offline pressure-bearing verification mode inspection can not be used in nuclear power base without the offline pressure-bearing experiment of GIS rupture pressure discs and examination device
Rupture pressure disc reliability and examination.But in a few wheel overhauls, the new rupture pressure discs of GIS occur successively and are arranged on after air chamber in air chamber gas
, the risk for influenceing the overhaul duration be present in the event of processing links rupture.
Utility model content
Based on this, it is necessary to at present can not to GIS rupture pressure discs carry out off-line testing examination the problem of, there is provided Yi Zhongqi
Body insulated switch station rupture pressure disc off-line testing device, to carry out experiment examination to the new rupture pressure discs of GIS.
Above-mentioned purpose is achieved through the following technical solutions：
A kind of gas-insulated switch station rupture pressure disc off-line testing device, including：Pressure resistant vessel, provided with one installation port and
One gas inlet and outlet；Pressure resistant vessel is used to be charged gas or be extracted gas to simulate online air chamber pressure operating mode；
Gas treatment equipment, connected with gas inlet and outlet by special tracheae, be filled with for carrying out gas to pressure resistant vessel
Or extract out；Rupture pressure disc to be measured, it is seal-installed on installation port；Pressure-detecting device, it is connected with pressure resistant vessel, is held for detecting
The pressure value of pressure vessel.
In one of the embodiments, gas treatment equipment includes inflator module and air suction module, and control module；Fill
Gas module connects with gas inlet and outlet, for being filled with gas into pressure resistant vessel；Air suction module connects with gas inlet and outlet, is used for
Extract the gas in pressure resistant vessel；
Inflator module and air suction module are connected with control module, and control module is used to control inflator module to pass in and out with gas
Mouth connection or air suction module connect with gas inlet and outlet.
In one of the embodiments, inflator module includes inflated with nitrogen module and fills SF6 gas modules, with respectively to pressure-bearing
Nitrogen and SF6 gases are filled with container；
Inflated with nitrogen module and fill SF6 gas modules and be connected with control module.
In one of the embodiments, air suction module includes vacuumizing module, to carry out vacuumize process to pressure resistant vessel.
In one of the embodiments, air suction module also includes return-air module, and return-air module is used to carry out pressure resistant vessel
Gas recycles.
In one of the embodiments, rupture pressure disc to be measured is installed on installation port by adpting flange.
In one of the embodiments, install and be connected and sealed between port and adpting flange by O-ring seal.
In one of the embodiments, pressure-detecting device is pressure gauge.
In one of the embodiments, gas-insulated switch station rupture pressure disc off-line testing device also includes connector, connection
Head has three ports, and a port connects with gas inlet and outlet, and second port connects with gas treatment equipment, the 3rd
Port is connected with pressure-detecting device.
Above-mentioned gas insulated switch station rupture pressure disc off-line testing device, each work can be carried out to rupture pressure disc under off-line state
Condition is simulated in thread test, and it not only can carry out spare part examination to new rupture pressure disc spare part, significantly reduce new rupture pressure disc installation
The risk ruptured afterwards, the availability of arrival rupture pressure disc spare part is ensured, but also rupture pressure disc to be replaced can have been entered before overhaul
Go and check, the risk ruptured after rupture pressure disc is changed is reduced by screening, it is complete in the overhaul duration to ensure that rupture pressure disc replacing is operated in
Into.
Brief description of the drawings
Fig. 1 is the principle signal for the gas-insulated switch station rupture pressure disc off-line testing device that the utility model embodiment provides
Figure.
Wherein：
100- pressure resistant vessels；
110- installs port；120- gas inlet and outlets；
200- gas treatment equipments；
210- inflated with nitrogen modules；220- fills SF6 gas modules；
230- vacuumizes module；240- return-air modules；
300- rupture pressure discs to be measured；
400- pressure-detecting devices；
500- connectors.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, by the following examples, and tie
Accompanying drawing is closed, rupture pressure disc off-line testing device in gas-insulated switch station of the present utility model is further elaborated.Should
Understand, specific embodiment described herein only to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " when,
In the absence of intermediary element.Term as used herein " vertically ", " horizontal ", "left", "right" and similar statement are
For illustrative purposes.
As shown in figure 1, the gas-insulated switch station rupture pressure disc off-line testing device that the embodiment of the utility model one provides, bag
Include：Pressure resistant vessel 100, provided with an installation gas inlet and outlet 120 of port 110 and one；Pressure resistant vessel 100 is used to be charged gas
Or gas is extracted to simulate online air chamber pressure operating mode；
Gas treatment equipment 200, connected by special tracheae with gas inlet and outlet 120, for being carried out to pressure resistant vessel 100
Gas is filled with or extracted out；Rupture pressure disc 300 to be measured, it is seal-installed on installation port 110；Pressure-detecting device 300, hold with pressure-bearing
Device 100 connects, for detecting the pressure value of pressure resistant vessel 100.
It should be noted that pressure resistant vessel 100 is named as being consistent with online air chamber state, it includes but is not limited to
The parameters such as profile, size and online air chamber are completely the same, while also including the processing procedure to pressure resistant vessel 100, pressure working condition
Control it is also completely the same with online air chamber, with the state under most true simulation rupture pressure disc online various pressure working conditions, so as to
Most truly reflect the reliability of rupture pressure disc.
Wherein, rupture pressure disc 300 to be measured can be installed on by adpting flange on installation port 110, further, install port
It is connected and sealed between 110 and adpting flange by O-ring seal.Specifically, it is provided with the installation port 110 of pressure-bearing ventilation
One annular groove, O-ring seal is installed in groove, realizes adpting flange with installing the sealed connection of port 110, Jin Ershi
Existing rupture pressure disc 300 to be measured is seal-installed on pressure resistant vessel 100.
Gas treatment equipment 200 is used to pressure resistant vessel 100 is inflated and is evacuated, its gas to pressure resistant vessel 100
Handling process is also completely the same with online gas treating process, pressure.
Gas treatment equipment 200 includes inflator module and air suction module, and control module；Control module is filled for control
Gas module connects with gas inlet and outlet 120 or air suction module connects with gas inlet and outlet 120, to enter into pressure resistant vessel 100
Row inflation or pumping.Wherein, inflator module includes being used for the inflated with nitrogen module 210 for being filled with nitrogen, and for being filled with SF6 gas
Body fills SF6 gas modules 220, inflated with nitrogen module 210 and fills SF6 gas modules 220 and is connected with control module, with according to need
Nitrogen is filled with into pressure resistant vessel 100 by control module or be filled with SF6 gases.
And air suction module includes being used for vacuumizing module 230 to the progress vacuumize process of pressure resistant vessel 100, can also wrap
The return-air module 240 that gas recycling is carried out to pressure resistant vessel 100 is included, module 230 is vacuumized and return-air module 240 can also
It is connected with control module.
The processing procedure of offline pressure resistant vessel 100 is specifically described below, its process and online air chamber processing procedure
It is the same.Specifically：
The micro- water and purity inside pressure resistant vessel 100 are measured, confirms whether the SF6 of the inside of pressure resistant vessel 100 is qualified, it is qualified
Gas be recovered in air accumulator, underproof gas be recovered in gas tank (if the pressure resistant vessel 100 is newly reinstated,
Then the step can be omitted；The step may remain SF6 gases only for the pressure resistant vessel 100 being activated, in it).
The SF6 gases of pressure resistant vessel 100 are reclaimed by return-air module 240, then pressure-bearing is held by vacuumizing module 230
Device 100 vacuumizes, and stops half an hour and is hunted leak, no problem of hunting leak, and continues to vacuumize and (within 1mbar, continue 12H).(SF6
Demand purity is very high, it is impossible to is mixed into air plankton, air in pressure resistant vessel 100 can be removed by vacuumizing, and be carried out simultaneously
Moisture removal is removed in vacuum drying).
Nitrogen (pressure-fired, continuing 12H) is filled with to pressure resistant vessel 100 by inflated with nitrogen module 210.
Pressure resistant vessel 100 is vacuumized again by module 230 is vacuumized, stops half an hour and is hunted leak, leak detection nothing is asked
Topic, continues to vacuumize, and excludes nitrogen (within 1mbar, continuing 12H).
SF6 gases are filled with to pressure resistant vessel 100, stand 24H finally by SF6 gas modules 220 are filled, micrometer water after 24H,
Pressure, purity meet the requirements.
During above-mentioned gas handling process is carried out, pressure-bearing appearance can be in real time detected by pressure-detecting device 300
The pressure value of device 100, selectively, pressure-detecting device 300 are pressure gauge.
Further, the gas-insulated switch station rupture pressure disc off-line testing device may also include connector 500, connector
500 have three ports, and a port connects with gas inlet and outlet 120, and second port connects with gas treatment equipment 200
Logical, the 3rd port is connected with pressure-detecting device 300.Realized by a connector 500 at the gas to pressure resistant vessel 100
Reason, and the pressure detecting to pressure resistant vessel 100 so that off-line testing apparatus structure more compact and reasonable.
Because above-mentioned gas handling process simulates online handling process, therefore the institute of pressure resistant vessel 100 in this process completely
Each pressure working condition reached is equal to each pressure working condition of online air chamber, and the check results of rupture pressure disc 300 to be measured can be waited
With in thread test.
The operation principle of rupture pressure disc be pressure rise speed quickly in the case of, particularly when occur blast or be accompanied by
When shaking the exothermic reaction of quick-fried situation individually makes the hypertonia of air chamber, automatically by media discharge superfluous in air chamber to low-pressure system
Or in air.It is each that each pressure working condition that we need simulation pressure resistant vessel 100 to be reached includes analog machine operation, maintenance etc.
The various pressure values of air chamber where rupture pressure disc in the case of kind.
And the requirement to rupture pressure disc is, rupture pressure disc should meet to be less than normal pressure in air chamber normal pressure and in air chamber pressure
In the case of will not act (i.e. will not release), that is, ensure rupture pressure disc in equipment normal operation and air chamber processing links
All without action in (including vacuumizing)；Secondly, rupture pressure disc should be in air chamber normal pressure and working value (in rupture pressure disc specifications parameter
In draw) between will not act and (because to leave certain nargin, exclude the influence of the factors such as environment temperature)；Finally, air chamber pressure
Reach working value or more than working value after, rupture pressure disc should act release.
In above-mentioned gas processing procedure, can detect rupture pressure disc 300 to be measured under vacuum pressure operating mode whether state
Normally, i.e., now rupture pressure disc 300 to be measured should not act；It may also detect that rupture pressure disc 300 to be measured under nitrogen charging pressure working condition
Whether state is normal, and now rupture pressure disc 300 to be measured should not also act.
Certainly, it is often more important that detect whether state is normal in the case where being filled with SF6 pressure working conditions for rupture pressure disc 300 to be measured, and
And pressure resistant vessel 100 can be carried out reclaiming SF6 gas treatments and fill SF6 gas treatments, to detect rupture pressure disc 300 to be measured not
With the operating state under SF6 gas pressure operating modes, the rupture pressure disc to be measured 300 for meeting requirements above is the rupture pressure disc by experiment,
Its reliability, availability are higher.
Below table specifically is referred to the performance detection standard of rupture pressure disc 300 to be measured：
The pressure value of pressure resistant vessel 100 is set to reach air chamber pressure value corresponding to each pressure working condition by gas treatment equipment 200,
And container inner pressure is detected with pressure-detecting device 400, observe whether rupture pressure disc 300 to be measured acts, rupture pressure disc to be measured
Have gas during 300 action to spray from rupture pressure disc mouth, and the reading of pressure-detecting device 400 can drastically decline.It is if to be measured explosion-proof
Film 300 is failure to actuate in the situation action that should be acted, situation about should not act, then shows that the rupture pressure disc 300 to be measured passes through examination
Test, its dependable performance.Conversely, then the rupture pressure disc 300 to be measured is unavailable.
Rupture pressure disc off-line testing device in gas-insulated switch station provided by the utility model, can be before overhaul to be replaced
Rupture pressure disc is investigated, and risk of rupture after rupture pressure disc is changed is reduced by screening, is ensured that rupture pressure disc is changed and is operated in overhaul work
Completed in phase.And the rupture pressure disc spare part in arrival checks and accepts link, using the gas-insulated switch station rupture pressure disc off-line testing device,
Rupture pressure disc spare part can be carried out an acceptance inspection, ensure the availability of rupture pressure disc.
When rupture pressure disc off-line testing device in gas-insulated switch station provided by the utility model is applied particularly to power plant, significantly
Reliability after rupture pressure disc is installed is improved, after carrying out experiment sieving to rupture pressure disc using the off-line testing device in D116 overhauls
Installation, rupture pressure disc installation and operation is good, has ensured that service work is completed within the overhaul duration.The off-line testing device can also be applied
Checked and accepted in Daya Bay nuclear power plant's switchyard 500KV GIS rupture pressure discs spare part, ensure the availability of rupture pressure disc.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
- A kind of 1. gas-insulated switch station rupture pressure disc off-line testing device, it is characterised in that including：Pressure resistant vessel, provided with an installation port and a gas inlet and outlet；The pressure resistant vessel be used for be charged gas or by Gas is extracted to simulate online air chamber pressure operating mode；Gas treatment equipment, connected by special tracheae with the gas inlet and outlet, for carrying out gas to the pressure resistant vessel It is filled with or extracts out；Rupture pressure disc to be measured, it is seal-installed on the installation port；Pressure-detecting device, it is connected with the pressure resistant vessel, for detecting the pressure value of the pressure resistant vessel.
- 2. rupture pressure disc off-line testing device in gas-insulated switch station according to claim 1, it is characterised in that the gas Processing unit includes inflator module and air suction module, and control module；The inflator module connects with the gas inlet and outlet, for being filled with gas into the pressure resistant vessel；The pumping mould Block connects with the gas inlet and outlet, for extracting the gas in the pressure resistant vessel；The inflator module and the air suction module are connected with the control module, and the control module is used to control described fill Gas module connects with the gas inlet and outlet or the air suction module connects with the gas inlet and outlet.
- 3. rupture pressure disc off-line testing device in gas-insulated switch station according to claim 2, it is characterised in that the inflation Module includes inflated with nitrogen module and fills SF6 gas modules, to be filled with nitrogen and SF6 gases into the pressure resistant vessel respectively；The inflated with nitrogen module and the SF6 gas modules of filling are connected with the control module.
- 4. rupture pressure disc off-line testing device in gas-insulated switch station according to claim 2, it is characterised in that the pumping Module includes vacuumizing module, to carry out vacuumize process to the pressure resistant vessel.
- 5. rupture pressure disc off-line testing device in gas-insulated switch station according to claim 4, it is characterised in that the pumping Module also includes return-air module, and the return-air module is used to carry out gas recycling to the pressure resistant vessel.
- 6. rupture pressure disc off-line testing device in gas-insulated switch station according to claim 1, it is characterised in that described to be measured Rupture pressure disc is installed on the installation port by adpting flange.
- 7. rupture pressure disc off-line testing device in gas-insulated switch station according to claim 6, it is characterised in that the installation It is connected and sealed between port and the adpting flange by O-ring seal.
- 8. rupture pressure disc off-line testing device in gas-insulated switch station according to claim 1, it is characterised in that the pressure Detection means is pressure gauge.
- 9. rupture pressure disc off-line testing device in gas-insulated switch station according to claim 1, it is characterised in that also include connecting Joint, the connector have three ports, and a port connects with the gas inlet and outlet, second port and the gas Body processing unit is connected, and the 3rd port is connected with the pressure-detecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035097.5U CN207095963U (en) | 2017-08-17 | 2017-08-17 | Gas-insulated switch station rupture pressure disc off-line testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035097.5U CN207095963U (en) | 2017-08-17 | 2017-08-17 | Gas-insulated switch station rupture pressure disc off-line testing device |
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| Publication Number | Publication Date |
|---|---|
| CN207095963U true CN207095963U (en) | 2018-03-13 |
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| CN201721035097.5U Active CN207095963U (en) | 2017-08-17 | 2017-08-17 | Gas-insulated switch station rupture pressure disc off-line testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414384A (en) * | 2021-12-24 | 2022-04-29 | 安徽格林开思茂光电科技股份有限公司 | Rupture membrane testing arrangement |
-
2017
- 2017-08-17 CN CN201721035097.5U patent/CN207095963U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114414384A (en) * | 2021-12-24 | 2022-04-29 | 安徽格林开思茂光电科技股份有限公司 | Rupture membrane testing arrangement |
| CN114414384B (en) * | 2021-12-24 | 2023-08-18 | 安徽格林开思茂光电科技股份有限公司 | Rupture membrane testing device |
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