CN104821253B - Electric power SF with sealed chamber6The online device for plugging of primary cut-out and method - Google Patents
Electric power SF with sealed chamber6The online device for plugging of primary cut-out and method Download PDFInfo
- Publication number
- CN104821253B CN104821253B CN201510257096.4A CN201510257096A CN104821253B CN 104821253 B CN104821253 B CN 104821253B CN 201510257096 A CN201510257096 A CN 201510257096A CN 104821253 B CN104821253 B CN 104821253B
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- Prior art keywords
- glue
- frequency conversion
- electric power
- sealed chamber
- send
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Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 239000003292 glue Substances 0.000 claims abstract description 144
- 238000006243 chemical reaction Methods 0.000 claims abstract description 81
- 239000000853 adhesive Substances 0.000 claims abstract description 57
- 230000001070 adhesive effect Effects 0.000 claims abstract description 57
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 239000011159 matrix material Substances 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 10
- 239000011230 binding agent Substances 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000003672 processing method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 8
- 238000003466 welding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
Landscapes
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to a kind of electric power SF with sealed chamber6The online device for plugging of primary cut-out and method, the device include that one be located in electric power SF6Sealed chamber at primary cut-out wall breakthrough, the sealed chamber send Jiao Kou through bottom plus that glue valve is connected to that a frequency conversion adds adhesive dispenser；The method includes：Frequency conversion adds the frequency conversion in adhesive dispenser to send glue control circuit by being arranged on the acquisition for sending the detected pressure value of pressure sensor at Jiao Kou, and the speed of the conveying sealing leakage glue at Jiao Kou is sent in control.A kind of electric power SF with sealed chamber proposed by the invention6The online device for plugging of primary cut-out and method effectively overcome existing electric power SF6Complex operation present in primary cut-out leakage stopping technology, time-consuming, high cost the problems such as, effectively raise electrical employee process electric power SF6The efficiency of primary cut-out plugging operation, improves traditional processing method.
Description
Technical field
The present invention relates to SF6Breaker seepage and SF6The leak stopping of gas is processed, particularly a kind of electricity with sealed chamber
Power SF6The online device for plugging of primary cut-out and method.
Background technology
As shown in figure 1, electric power SF6As manufacture welding, mounting process are bad on primary cut-out wall, such as there is sand
The defects such as eye, weld seam, crack, in longtime running, can cause electric power SF6The internal SF of primary cut-out6Gas permeation, for avoiding
Introduced contaminants is penetrated into electric power SF by electric welding high temperature6In primary cut-out, traditional method be by electric power SF6After primary cut-out has a power failure,
By SF6Retracting device, by electric power SF6SF in primary cut-out6Gas takes out light recovery, and after repeatedly being rinsed with high pure nitrogen, adopts
Breakthrough is carried out mending-leakage process is welded with electric welding, after electric welding mending-leakage process terminates, first welding slag, impurity are cleaned up, then make
With vacuumizing, high pure nitrogen rinse, finally vacuumize again, add SF6, complete leak stopping process work.And this kind of traditional operation
Process is extremely complex, and takes time and effort, and is unfavorable for that electrical employee efficiently processes power failure.
Content of the invention
It is an object of the invention to provide a kind of electric power SF with sealed chamber6The online device for plugging of primary cut-out and side
Method, to overcome defect present in prior art.
For achieving the above object, the technical scheme is that：A kind of electric power SF with sealed chamber6Primary cut-out exists
Line device for plugging, it is characterised in that be located at the electric power SF including a button6Airtight at breakthrough on primary cut-out outer wall
Room, the sealed chamber include a matrix air-tight cavity；The bottom of the sealed chamber is provided with one plus glue valve；Described plus glue valve adds glue through one
Guan Yuyi frequency conversion adds the Jiao Kou that send of adhesive dispenser to be connected, and the frequency conversion adds adhesive dispenser for by described plus sebific duct to the matrix gas
Sealing leakage glue is injected in close chamber；The frequency conversion adds adhesive dispenser also to include that glue control circuit is sent in a frequency conversion, and glue control circuit warp is sent in the frequency conversion
One send glue pressurised driving circuit to add in adhesive dispenser with the frequency conversion send glue pressurizer to be connected, and the frequency conversion send glue control circuit to lead to
The output for controlling this to send glue pressurizer is crossed, and then controls the frequency conversion to add the speed of the conveying sealing leakage glue sent at Jiao Kou of adhesive dispenser
Degree.
In an embodiment of the present invention, the top of the sealed chamber is provided with a vent valve, and the vent valve is used for adding glue
Process middle concave air-tight cavity is vented.
In an embodiment of the present invention, the sealed chamber and the electric power SF6Primary cut-out outer wall is tight by adhesive
Close bonding.
In an embodiment of the present invention, the frequency conversion adds sending at Jiao Kou for adhesive dispenser to be provided with a pressure sensor, in order to
The sealing leakage glue colloid pressure at Jiao Kou is sent in detection, and the pressure sensor send glue control circuit to be connected with the frequency conversion.
In an embodiment of the present invention, the frequency conversion adds adhesive dispenser also to include a safety valve；The safety valve is through a safety
Valve-driving circuit send glue control circuit to be connected with the frequency conversion.
Further, a kind of electric power SF with sealed chamber is also provided6The online blocking method of primary cut-out, its feature exist
In realizing in accordance with the following steps：
S1：Sealed chamber is closely detained located at electric power SF6At breakthrough on primary cut-out outer wall, and cover this completely
Breakthrough；
S2：One end of sebific duct will be added to be connected with the glue valve that adds of the sealed chamber bottom, the other end adds adhesive dispenser with frequency conversion
Jiao Kou is sent to connect；
S3：Open described plus glue valve and be arranged at the vent valve at the sealed chamber top；
S4：Opening the frequency conversion and adding adhesive dispenser, the frequency conversion adds the frequency conversion in adhesive dispenser glue control circuit to be sent by sending glue
Pressurised driving circuit drives frequency conversion adds send glue pressurizer in adhesive dispenser, and adjustment is described to send the Jiao Kou speed of conveying sealing leakage glue, and
Glue speed is sent to inject sealing leakage glue into the matrix air-tight cavity through described plus sebific duct with first；
S5：With the carrying out of injecting glue process, when the vent valve emerges sealing leakage glue, the vent valve is closed, and is continued
Injecting glue；
S6：When the frequency conversion pressure detected in the pressure sensor sent at Jiao Kou that send glue control circuit configured
When value reaches first pressure threshold value, the frequency conversion send glue control circuit to send Jiao Kou to convey by described sending described in the adjustment of glue pressurizer
The speed of sealing leakage glue, and send glue speed to inject sealing leakage glue into the matrix air-tight cavity through described plus sebific duct with second；
S7：With the carrying out of injecting glue process, when the pressure value that the pressure sensor is detected reaches second pressure threshold value
When, close the frequency conversion and add adhesive dispenser, stop sealing leakage glue being injected into the matrix air-tight cavity, and close described plus glue valve, tear open
Except described plus sebific duct, the injection to sealing leakage glue is completed；
S8：Through a hardening time threshold value, after leak stopping adhesive curing, electric power SF is completed6Oozing on primary cut-out outer wall
The leak stopping of leak source.
In an embodiment of the present invention, by binding agent by the sealed chamber tight bond in the electric power SF6Height breaks
On the device wall breakthrough of road, to ensure to fully seal between the breakthrough and the sealed chamber.
In an embodiment of the present invention, in the carrying out of injecting glue process, when the frequency conversion send glue control circuit through the pressure
Sensor detects described when sending Jiao Kou to add glue laminated power to exceed secure threshold, and the frequency conversion send glue control circuit to drive through safety valve
Safety valve described in circuit drives, carries out safety relief, to ensure that the frequency conversion adds adhesive dispenser safe operation.
Compared to prior art, the invention has the advantages that：Proposed by the invention a kind of with sealed chamber
Electric power SF6The online device for plugging of primary cut-out and method, by sealed chamber tight bond and cover electric power SF6Primary cut-out
Breakthrough, then adhesive dispenser is added by frequency conversion, by sealing leakage glue through plus sebific duct inject SF6Breaker breakthrough and sealed chamber
In matrix air-tight cavity, so that breakthrough is blocked, after leak stopping adhesive curing, seepage is thoroughly handled well；And in this process, frequency conversion adds glue
Frequency conversion in device send glue control circuit in real time to send pressure sensor detection Jiao Kou to send the pressure at Jiao Kou by being arranged on,
Change the speed for sending Jiao Kou to convey sealing leakage glue；Meanwhile, safety valve is provided with, to ensure that frequency conversion adds the safe operation of adhesive dispenser.
The electric power SF of sealed chamber should be carried6The online device for plugging of primary cut-out and method are without the need for deflating, getting angry without the need for electric welding, effectively
Overcome existing electric power SF6Complex operation present in primary cut-out leakage stopping technology, time-consuming, high cost the problems such as, effectively
Improve electrical employee process electric power SF6The efficiency of primary cut-out plugging operation, improves traditional processing method, with biography
System electric power SF6Primary cut-out leak stopping mode has compared huge advantage.
Description of the drawings
Fig. 1 is electric power SF6The structural representation of primary cut-out.
Fig. 2 is that in an embodiment, gas carries the electric power SF of sealed chamber in the present invention6The online device for plugging of primary cut-out
Structural representation.
Fig. 3 is the left view of sealed chamber in an embodiment in the present invention.
Fig. 4 is the front view of gas sealed chamber in an embodiment in the present invention.
Fig. 5 is that in an embodiment, the circuit theory diagrams of glue control circuit are sent in frequency conversion in the present invention.
Fig. 6 is that in an embodiment, frequency conversion adds adhesive dispenser to start to send the schematic diagram of glue to airtight interior in the present invention.
Fig. 7 is that in an embodiment, frequency conversion adds adhesive dispenser to send the schematic diagram of glue process to airtight interior in the present invention.
Fig. 8 is that frequency conversion adds adhesive dispenser to continue to airtight interior in the present invention in an embodiment after the closing of sealed chamber vent valve
Send the schematic diagram of glue.
Fig. 9 is electric power SF in an embodiment in the present invention6The knot after the completion of leak stopping point leak stopping on primary cut-out wall
Structure schematic diagram.
【Label declaration】：1- frequency conversion adds adhesive dispenser；2- safety valve；3- pressure sensor；4- adds sebific duct；5- adds glue valve；6-
Sealed chamber；7- vent valve；8- binding agent；9- electric power SF6Primary cut-out；10- electric power SF6Moving contact in high voltage breaker；11- electricity
Power SF6Primary cut-out static contact；12- electric power SF6Primary cut-out wall breakthrough；13- sealing leakage glue；The SF of 14- leakage6Gas
Body；15- high-voltage conducting wires；16- insulated porcelain sleeve；17- matrix air-tight cavity；18- send Jiao Kou.
Specific embodiment
Below in conjunction with the accompanying drawings, technical scheme is specifically described.
The present invention provides a kind of electric power SF with sealed chamber6The online device for plugging of primary cut-out, as shown in Fig. 2 ~ 5,
The electric power SF is located at including a button6Sealed chamber 6 on 9 outer wall of primary cut-out at breakthrough 12, the sealed chamber 6 include that one is recessed
Type air-tight cavity 17；The bottom of the sealed chamber 6 is provided with one plus glue valve 5；Described plus glue valve 5 is added with a frequency conversion through one plus sebific duct 4
The glue mouth 18 that send of adhesive dispenser 1 is connected, and the frequency conversion adds adhesive dispenser 1 for by described plus sebific duct 4 to the matrix air-tight cavity 17
Injection sealing leakage glue 13；The frequency conversion adds adhesive dispenser 1 also to include that glue control circuit is sent in a frequency conversion, and the frequency conversion send glue control circuit through one
Sending glue pressurised driving circuit to add with the frequency conversion send glue pressurizer to be connected in adhesive dispenser 1, and the frequency conversion send glue control circuit to lead to
The output for controlling this to send glue pressurizer is crossed, and then controls the frequency conversion to add the conveying sealing leakage glue 13 sent at glue mouth 18 of adhesive dispenser 1
Speed.
Further, in the present embodiment, as shown in Fig. 2 ~ 4, the top of the sealed chamber 6 is provided with a vent valve 7, should
Vent valve 7 is used for being vented in injecting glue process middle concave air-tight cavity.
Further, in the present embodiment, as shown in Fig. 2 the sealed chamber 6 and the electric power SF6Outside primary cut-out 9
Wall passes through 8 tight bond of adhesive.
Further, in the present embodiment, as shown in Figure 2 and Figure 5, the frequency conversion adds sending at glue mouth 18 for adhesive dispenser to arrange
There is a pressure sensor 3,13 colloid pressure of sealing leakage glue at glue mouth 18 is sent in order to detect, and the pressure sensor 3 and the change
Frequency send glue control circuit to be connected.
Further, in the present embodiment, as shown in Figure 2 and Figure 5, the frequency conversion adds adhesive dispenser 1 also to include a safety valve
2；The safety valve 2 send glue control circuit to be connected through a safe valve-driving circuit and the frequency conversion.
In order to allow those skilled in the art further appreciate that a kind of electric power SF with sealed chamber proposed by the invention6High
The online device for plugging of voltage breaker, with reference to the electric power SF with sealed chamber6The band of the online device for plugging of primary cut-out
There is the electric power SF of sealed chamber6The online blocking method of primary cut-out is specifically described, as shown in Figures 6 to 9, according to following step
Rapid realization：
S1：Sealed chamber 6 is closely detained located at electric power SF6At breakthrough 12 on 9 outer wall of primary cut-out, and cover completely
Live the breakthrough 12；
S2：One end of sebific duct 4 will be added to be connected with the glue valve 5 that adds of 6 bottom of the sealed chamber, the other end adds adhesive dispenser with frequency conversion
The 1 glue mouth 18 that send connects；
S3：Open described plus glue valve 5 and be arranged at the vent valve 7 at 6 top of the sealed chamber；
S4：Opening the frequency conversion and adding adhesive dispenser 1, the frequency conversion adds the frequency conversion in adhesive dispenser 1 glue control circuit to be sent by sending
Glue pressurised driving circuit drives frequency conversion adds the speed that send glue pressurizer, send the conveying sealing leakage glue 13 of glue mouth 18 described in adjustment in adhesive dispenser
Degree, and send glue speed to inject sealing leakage glue 13 into the matrix air-tight cavity 17 through described plus sebific duct 4 with first；
S5：With the carrying out of injecting glue process, when the vent valve 7 emerges sealing leakage glue 13, the vent valve 7 is closed, and
Continue injecting glue；
S6：When the frequency conversion is sent glue control circuit configured to detect in the pressure sensor 3 sent at glue mouth 18
When pressure value reaches first pressure threshold value, the frequency conversion send glue control circuit to send Jiao Kou by described sending described in the adjustment of glue pressurizer
The speed of 18 conveying sealing leakage glues 13, and it is stifled to send glue speed to inject into the matrix air-tight cavity 17 through described plus sebific duct 4 with second
Leak adhesive 13；
S7：With the carrying out of injecting glue process, when the pressure value that the pressure sensor 13 is detected reaches second pressure threshold
During value, close the frequency conversion and add adhesive dispenser 1, stop sealing leakage glue 13 is injected into the matrix air-tight cavity 17, and close described adding
Glue valve 5, removes described plus sebific duct 4, electric power SF6Primary cut-out medium completes the injection to sealing leakage glue 13；
S8：Through a hardening time threshold value, after leak stopping adhesive curing, electric power SF is completed6Oozing on primary cut-out outer wall
The leak stopping of leak source.
Further, in the present embodiment, the sealing leakage glue 13 keeps inert sealing leakage glue using with medium, and this is stifled
At a temperature of leak adhesive can be according to corresponding to according to winter and summer varying environment in concrete leak stopping task, concrete correspondence carries out selecting difference
The sealing leakage glue of solidification temperature.
Further, in the present embodiment, by binding agent by the sealed chamber tight bond in the electric power SF6High pressure
On breaker wall breakthrough, to ensure to fully seal between the breakthrough and the sealed chamber；And in the present embodiment, adopt
Binding agent be using and electric power SF6Primary cut-out medium keeps inert binding agent, and this can binding agent according to specifically blocking up
At a temperature of corresponding to according to winter and summer varying environment in leakage task, concrete correspondence carries out selecting the viscous of different Applicable temperatures
Knot agent.
Further, in the present embodiment, in the carrying out of injecting glue process, when the frequency conversion send glue control circuit through the pressure
Force snesor 3 detects described when sending glue mouth 18 plus glue laminated power to exceed secure threshold, and the frequency conversion send glue control circuit through safety
Valve-driving circuit drives the safety valve 2, carries out safety relief, to ensure that the frequency conversion adds adhesive dispenser safe operation.
Further, in the present embodiment, during work about electric power personnel observe breakthrough crack situation at the scene, such as ooze
The slotted opening of leak source is larger, should first use the instrument such as iron hammer, pliers will be little for crack riveting, and measures the size of breakthrough, makes
Breakthrough can be covered completely and the sealed chamber of appropriate surplus is also left, to ensure stability and the safety of the setting of follow-up sealed chamber
Property.In order to ensure the electric power SF with sealed chamber6The online device for plugging of primary cut-out can complete leak stopping accurate stable
Task, work about electric power personnel can be according to each model electric power SF6Filled SF in primary cut-out6The difference of gas pressure is specifically right
The running parameter that frequency conversion in each plugging operation adds adhesive dispenser should be set, such as first send glue speed, first pressure threshold value, second
Send glue speed, secure threshold, second pressure threshold value and hardening time threshold value etc..
It is more than presently preferred embodiments of the present invention, all changes that is made according to technical solution of the present invention, produced function are made
During with scope without departing from technical solution of the present invention, protection scope of the present invention is belonged to.
Claims (7)
1. a kind of electric power SF with sealed chamber6The online blocking method of primary cut-out, it is characterised in that provide a kind of with gas
The electric power SF of secret room6The online device for plugging of primary cut-out, is located at the electric power SF including a button6Ooze on primary cut-out outer wall
The sealed chamber of leak source, the sealed chamber include a matrix air-tight cavity；The bottom of the sealed chamber is provided with one plus glue valve；Described plus
Glue valve adds the Jiao Kou that send of adhesive dispenser to be connected through one plus sebific duct with a frequency conversion, and the frequency conversion adds adhesive dispenser for by described plus sebific duct
Sealing leakage glue is injected to the matrix air-tight cavity；The frequency conversion adds adhesive dispenser also to include that glue control circuit is sent in a frequency conversion, and the frequency conversion is sent
Glue control circuit is sent glue pressurised driving circuit to add in adhesive dispenser with the frequency conversion through one to send glue pressurizer to be connected, and the frequency conversion is sent
Glue control circuit send the output of glue pressurizer by controlling this, and then controls the frequency conversion to add the conveying that send at Jiao Kou of adhesive dispenser
The speed of sealing leakage glue；And realize in accordance with the following steps：
S1：Sealed chamber is closely detained located at electric power SF6At breakthrough on primary cut-out outer wall, and cover the seepage completely
Point；
S2：Will plus one end and the sealed chamber bottom plus glue valve of sebific duct be connected, what the other end and frequency conversion added adhesive dispenser send glue
Mouth connection；
S3：Open described plus glue valve and be arranged at the vent valve at the sealed chamber top；
S4：Open the frequency conversion and add adhesive dispenser, the frequency conversion adds the frequency conversion in adhesive dispenser to send glue control circuit to pressurize by sending glue
Drive circuit drives frequency conversion to add and send glue pressurizer in adhesive dispenser, and adjustment is described to send the Jiao Kou speed of conveying sealing leakage glue, and through institute
State plus sebific duct send glue speed that sealing leakage glue is injected into the matrix air-tight cavity with first；
S5：With the carrying out of injecting glue process, when the vent valve emerges sealing leakage glue, the vent valve is closed, and continues injecting glue；
S6：When the pressure value that the frequency conversion is sent glue control circuit configured to detect in the pressure sensor sent at Jiao Kou reaches
During to first pressure threshold value, the frequency conversion send glue control circuit to send Jiao Kou to convey leak stopping by described sending described in the adjustment of glue pressurizer
The speed of glue, and send glue speed to inject sealing leakage glue into the matrix air-tight cavity through described plus sebific duct with second；
S7：With the carrying out of injecting glue process, when the pressure value that the pressure sensor is detected reaches second pressure threshold value, close
Close the frequency conversion and add adhesive dispenser, stop sealing leakage glue being injected into the matrix air-tight cavity, and close described plus glue valve, remove described
Plus sebific duct, complete the injection to sealing leakage glue；
S8：Through a hardening time threshold value, after leak stopping adhesive curing, electric power SF is completed6Breakthrough on primary cut-out outer wall
Leak stopping.
2. the electric power SF with sealed chamber according to claim 16The online blocking method of primary cut-out, it is characterised in that
By binding agent by the sealed chamber tight bond on the electric power SF6 primary cut-out wall breakthrough, to ensure that this oozes
Fully seal between leak source and the sealed chamber.
3. the electric power SF with sealed chamber according to claim 16The online blocking method of primary cut-out, it is characterised in that
In the carrying out of injecting glue process, send glue control circuit to detect through the pressure sensor when the frequency conversion and described send Jiao Kou to add glue laminated
When power exceedes secure threshold, the frequency conversion send glue control circuit to drive the safety valve through safe valve-driving circuit, carries out safety
Pressure release, to ensure that the frequency conversion adds adhesive dispenser safe operation.
4. the electric power SF with sealed chamber according to claim 16The online blocking method of primary cut-out, it is characterised in that
The top of the sealed chamber is provided with a vent valve, and the vent valve is used for adding the exhaust of glue process middle concave air-tight cavity.
5. the electric power SF with sealed chamber according to claim 16The online blocking method of primary cut-out, it is characterised in that
The sealed chamber and the electric power SF6Primary cut-out outer wall passes through adhesive tight bond.
6. the electric power SF with sealed chamber according to claim 16The online blocking method of primary cut-out, it is characterised in that
The frequency conversion adds sending at Jiao Kou for adhesive dispenser to be provided with a pressure sensor, send sealing leakage glue colloidal pressure at Jiao Kou in order to detect
Power, and the pressure sensor send glue control circuit to be connected with the frequency conversion.
7. the electric power SF with sealed chamber according to claim 66The online blocking method of primary cut-out, it is characterised in that
The frequency conversion adds adhesive dispenser also to include a safety valve；The safety valve send glue control through a safe valve-driving circuit and the frequency conversion
Circuit is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510257096.4A CN104821253B (en) | 2015-05-20 | 2015-05-20 | Electric power SF with sealed chamber6The online device for plugging of primary cut-out and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510257096.4A CN104821253B (en) | 2015-05-20 | 2015-05-20 | Electric power SF with sealed chamber6The online device for plugging of primary cut-out and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104821253A CN104821253A (en) | 2015-08-05 |
| CN104821253B true CN104821253B (en) | 2017-03-08 |
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| CN201510257096.4A Active CN104821253B (en) | 2015-05-20 | 2015-05-20 | Electric power SF with sealed chamber6The online device for plugging of primary cut-out and method |
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Families Citing this family (2)
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| CN105261985B (en) * | 2015-11-27 | 2017-08-25 | 国家电网公司 | The online blocking component of transformer oil leak and its encapsulating method |
| CN106548901B (en) * | 2017-01-20 | 2018-07-10 | 广东米勒电气有限公司 | A kind of SF with leak detection and leakage mending function6High-voltage circuitbreaker |
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| CN102024609B (en) * | 2009-09-18 | 2013-04-24 | 杭州市电力局 | Method and device for blocking leakage of sulfur hexafluoride |
| JP5210422B2 (en) * | 2011-08-24 | 2013-06-12 | タキゲン製造株式会社 | Locking device for operation rope for switch |
| CN104835628B (en) * | 2015-04-27 | 2017-07-07 | 国家电网公司 | With the power high voltage oil-filled mutual inductor device for plugging and its application method of seal closure |
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