CN110021904A - Automatic phase selecting disconnecting link - Google Patents
Automatic phase selecting disconnecting link Download PDFInfo
- Publication number
- CN110021904A CN110021904A CN201910402865.3A CN201910402865A CN110021904A CN 110021904 A CN110021904 A CN 110021904A CN 201910402865 A CN201910402865 A CN 201910402865A CN 110021904 A CN110021904 A CN 110021904A
- Authority
- CN
- China
- Prior art keywords
- disconnecting link
- main control
- control tank
- transmission shaft
- cabinet
- 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.)
- Pending
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- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 230000005611 electricity Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000011152 fibreglass Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 241000256856 Vespidae Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/16—Devices for removing snow or ice from lines or cables
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses automatic phase selecting disconnecting links, including at least two sets of disconnecting link components, each disconnecting link component one end connects ground wire, the other end connects ground wire deicing automatic connection device, the disconnecting link component includes disconnecting link, transmission shaft, Main Control Tank, remote control case, disconnecting link protective housing, locking wire cabinet and disconnecting link connect tower assembly, disconnecting link is fixed in disconnecting link protective housing, setting disconnecting link connects tower assembly and disconnecting link is installed on steel tower below disconnecting link protective housing, transmission shaft is connected below disconnecting link, transmission shaft lower end connects Main Control Tank, Main Control Tank connects DC power supply by power supply line, locking wire cabinet is set below Main Control Tank, remote control case, power supply line, signal wire is both placed in locking wire cabinet, wherein a terminal board is stretched out in the two sides of disconnecting link respectively, one terminal board connects ground wire, other end daughter board connects ground wire deicing automatic connection device.The present invention is directed in transmission line of electricity the differently different situation of line segment icing degree, the selective ice-melt of ground line segment progress using automatic phase selecting disconnecting link to ice-melt is needed.
Description
Technical field
The present invention relates to overhead transmission line technical field, in particular to a kind of automatic phase selecting disconnecting link.
Background technique
In cold winter, the part transmission line of electricity of southern region of China is easy to appear icing phenomenon.It is more since 2013
Electric current on conducting wire is led to ground wire by ground wire deicing automatic connection device by transmission line of electricity, using heating effect of current on ground wire
Icing melted, achieve excellent effect.
In transmission line of electricity, there is a situation where that the ground wire icing degree of different sections is different, need according to ground wire icing feelings
Condition carries out selective ground wire deicing.To complete the ice-melt to specified ground line segment, and reduces and lead, the wiring unit between ground wire, letter
Change ice-melt operating process, ground wire wiring automatic phase selecting ice-melting device need to be developed, to be carried out selectively according to ground wire icing situation
Line ice-melt.
Summary of the invention
The technical problem to be solved in the invention is in transmission line of electricity, and there are the ground wire icing degree of different sections is different
The case where, existing deicing device cannot carry out selective ground wire deicing according to ground wire icing situation.
In order to solve the above technical problems, the present invention provides automatic phase selecting disconnecting links, including at least two sets of disconnecting link components, each
Disconnecting link component one end connects ground wire, and the other end connects ground wire deicing automatic connection device, and the disconnecting link component includes disconnecting link, transmission
Axis, Main Control Tank, far control case, disconnecting link protective housing, locking wire cabinet and disconnecting link connect tower assembly, and disconnecting link is fixed in disconnecting link protective housing, in knife
Setting disconnecting link connects tower assembly and disconnecting link is installed on steel tower below lock protective housing, and transmission shaft, transmission shaft lower end are connected below disconnecting link
Connect Main Control Tank, Main Control Tank by power supply line connect DC power supply, below Main Control Tank be arranged locking wire cabinet, far control case, power supply line,
Signal wire is both placed in locking wire cabinet, and wherein a terminal board is stretched out in the two sides of disconnecting link respectively, and a terminal board connects ground wire, separately
One terminal board connects ground wire deicing automatic connection device.Automatic phase selecting disconnecting link of the invention, for ground wires different in transmission line of electricity
The different situation of section icing degree, the selective ice-melt of ground line segment progress using automatic phase selecting disconnecting link to ice-melt is needed.It is wherein more
Set disconnecting link component can connect the same ground wire deicing automatic connection device,
Wherein, control cabinet is arranged below Main Control Tank to connect tower assembly Main Control Tank is installed on steel tower, locking wire cabinet is mounted on control
Case connects below tower assembly, also sets up protecting cover for transmission shaft in the junction of transmission shaft and Main Control Tank；Protecting cover for transmission shaft includes close
Seal and full skirt shroud ring, wherein sealing ring is mounted on transmission shaft, and full skirt shroud ring is mounted on sealing ring, the lower end of full skirt shroud ring
There are gaps between face and Main Control Tank, and shield, shield position corresponding with transmission shaft are arranged above the cabinet of Main Control Tank
It installs and is equipped with baffle ring.
Further improvement lies in that far control case is connect by signal wire with Main Control Tank, remote control case panel, which is equipped with, to close a floodgate, opens
Lock stops three buttons, and each button respectively corresponds a corresponding indicator light.Each button is equipped with corresponding instruction
Lamp, by lower button, device action, while corresponding indicator light is bright.
Wherein preferred, the disconnecting link protective housing is insulating protection case, and the disconnecting link protective housing is set as glass reinforced plastic protection
Case；It also is provided with closing a floodgate on Main Control Tank panel, opens a sluice gate, stops three buttons, hand crank has also been devised on Main Control Tank panel.
To prevent fortuitous event from leading to automatic closing or open a sluice gate to fail, hand crank is had also been devised on Main Control Tank, automatic closing or open a sluice gate
When failure, after DC power supply need to be pulled up and close all power switches of Main Control Tank, then by hand crank be inserted into crank way in into
Row manual operation.
Icing on disconnecting link contact, fingertip will have a direct impact on overcurrent effect, will lead to combined floodgate failure when serious, and drive touching
The transmission mechanism that head, fingertip act also leads to combined floodgate or opens a sluice gate unsuccessfully once coating freeze.Therefore, the contact of disconnecting link, touching
Refer to and transmission parts are required to carry out necessary rain-and-snow protective.After comprehensively considering, using integrally-built protective housing to disconnecting link
Carry out rain-and-snow protective.Contact, fingertip and its transmission parts of disconnecting link cover in inside protective housing, have altogether dispensed with invading for sleet
It attacks.Disconnecting link protective housing uses glass steel material, not only ensure that cabinet intensity requirement, while the insulation performance of glass reinforced plastic, also can
Meet the electric insulation requirement of automatic phase selecting disconnecting link.
In addition, the output shaft end of Main Control Tank also needs progress rain-and-snow protective to influence the conjunction of automatic phase selecting disconnecting link to avoid being frozen in
It lock and opens a sluice gate.The characteristics of for Main Control Tank output shaft straight up, the protection form being combined using full skirt shroud ring and shield.
Raised baffle ring and full skirt shroud ring, which staggeredly block, on shield prevents sleet from falling into output shaft from top, and shield is placed in master control
Rainwater can be blocked in completely outer by plane on case.
In transmission line of electricity, the ground wire icing degree of different sections is different, when carrying out ice-melt to aerial earth wire, needs according to not
Selective ice-melt is carried out with section ground wire icing situation.It is collected by great mass of data and research and development proposal continues to optimize analysis,
Have developed a kind of automatic phase selecting disconnecting link.The ground to different sections can be achieved automatic phase selecting disconnecting link of the invention by disconnecting link switching
Line carries out ice-melt, and automatic phase selecting disconnecting link is installed on steel tower, each component and the installation connection between steel tower need to for corresponding steel tower into
The special design of row.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of disconnecting link component of the present invention；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is structural schematic diagram of the invention；
Wherein, 1- disconnecting link, 2- transmission shaft, 3- Main Control Tank, 4- disconnecting link protective housing, 5- locking wire cabinet, 6- disconnecting link connect tower assembly, 7-
Line, 8- ground wire deicing automatic connection device, 9- control cabinet connect tower assembly, 10- protecting cover for transmission shaft, and 11- far controls case.
Specific embodiment
The optimal technical scheme that the invention will now be described in detail with reference to the accompanying drawings.
As shown, automatic phase selecting disconnecting link of the invention, including at least two sets of disconnecting link components, each disconnecting link component one end connect
Ground line, the other end connect ground wire deicing automatic connection device, the disconnecting link component include disconnecting link 1, transmission shaft 2, Main Control Tank 3,
Remote control case 11, disconnecting link protective housing 4, locking wire cabinet 5 and disconnecting link connect tower assembly 6, and disconnecting link 1 is fixed in disconnecting link protective housing 4, anti-in disconnecting link
Setting disconnecting link connects tower assembly 6 and disconnecting link 1 is installed on steel tower below protecting box 4, connection transmission shaft 2 below disconnecting link 1, under transmission shaft 2
End connection Main Control Tank 3, Main Control Tank 3 connect DC power supply by power supply line, locking wire cabinet 5 are arranged below Main Control Tank 3, far control case
11, power supply line, signal wire are both placed in locking wire cabinet 5, and wherein a terminal board, a terminal are stretched out in the two sides of disconnecting link 1 respectively
Plate connects ground wire 7, and other end daughter board connects ground wire deicing automatic connection device 8.
Wherein, control cabinet is arranged below Main Control Tank 3 to connect tower assembly 9 Main Control Tank 3 is installed on steel tower, locking wire cabinet 5 is pacified
Connect 9 lower section of tower assembly mounted in control cabinet, also sets up protecting cover for transmission shaft 10 in the junction of transmission shaft 2 and Main Control Tank 3；Transmission shaft
Shield 10 includes sealing ring and full skirt shroud ring, and wherein sealing ring is mounted on transmission shaft 2, and full skirt shroud ring is mounted on sealing ring
On, there are gaps between the lower end surface and Main Control Tank 3 of full skirt shroud ring, and shield, shield are arranged above the cabinet of Main Control Tank 3
Position corresponding with transmission shaft 2 is provided with baffle ring.
Further, far control case 11 connect by signal wire with Main Control Tank 3, remote control 11 panel of case equipped with close a floodgate, open a sluice gate,
Stop three buttons, and each button respectively corresponds a corresponding indicator light.
Wherein preferred, the disconnecting link protective housing 4 is insulating protection case, and it is anti-that the disconnecting link protective housing 4 is set as glass reinforced plastic
Protecting box；It also is provided with closing a floodgate on 3 panel of Main Control Tank, opens a sluice gate, stops three buttons, had also been devised on 3 panel of Main Control Tank manually
Crank.
Automatic phase selecting disconnecting link of the invention is utilized for the differently different situation of line segment icing degree in transmission line of electricity
Ground line segment progress selective ice-melt of the automatic phase selecting disconnecting link to ice-melt is needed.Wherein more set disconnecting link components can connect samely
Line ice-melt automatic connection device.
Icing on disconnecting link contact, fingertip will have a direct impact on overcurrent effect, will lead to combined floodgate failure when serious, and drive touching
The transmission mechanism that head, fingertip act also leads to combined floodgate or opens a sluice gate unsuccessfully once coating freeze.Therefore, the contact of disconnecting link, touching
Refer to and transmission parts are required to carry out necessary rain-and-snow protective.After comprehensively considering, using integrally-built protective housing to disconnecting link
Carry out rain-and-snow protective.Contact, fingertip and its transmission parts of disconnecting link cover in inside protective housing, have altogether dispensed with invading for sleet
It attacks.Disconnecting link protective housing uses glass steel material, not only ensure that cabinet intensity requirement, while the insulation performance of glass reinforced plastic, also can
Meet the electric insulation requirement of automatic phase selecting disconnecting link.
In addition, the output shaft end of Main Control Tank also needs progress rain-and-snow protective to influence the conjunction of automatic phase selecting disconnecting link to avoid being frozen in
It lock and opens a sluice gate.The characteristics of for Main Control Tank output shaft straight up, the protection form being combined using full skirt shroud ring and shield.
Raised baffle ring and full skirt shroud ring, which staggeredly block, on shield prevents sleet from falling into output shaft from top, and shield is placed in master control
Rainwater can be blocked in completely outer by plane on case.
To prevent fortuitous event from leading to automatic closing or opening a sluice gate to fail, hand crank has also been devised on Main Control Tank, from dynamic circuit connector
Lock or open a sluice gate failure when, after DC power supply need to be pulled up and close all power switches of Main Control Tank, then by hand crank insertion shake
Carrying out manual operation in hole.
Automatic phase selecting disconnecting link of the invention after disconnecting link is fixed in glass reinforced plastic protective housing, connects tower assembly using disconnecting link and installs
In on the steel tower platform nearest apart from ground.Selected installation site should be as close as possible to tower leg at, and need to guarantee cabinet and tower leg
Do not interfere.After disconnecting link protective housing completes installation, disconnecting link is made to be in the original state opened a sluice gate in place.Connecting tower assembly using control cabinet will
Main Control Tank is installed on the tower leg platform below disconnecting link protective housing, and Main Control Tank, which is also at, opens a sluice gate state in place.By the anti-of Main Control Tank
Shield is placed on Main Control Tank Plane Installation in place.Main Control Tank output shaft is measured at a distance from disconnecting link input between centers, interception is suitable
Propeller shaft length, both ends need to be separately connected Main Control Tank output shaft and disconnecting link input shaft, adjust the position of Main Control Tank as needed,
Main Control Tank output shaft, disconnecting link input shaft and transmission shaft is set to be located at same axis, three position is attached solid again after being adjusted in place
It is fixed.It needs first to be inserted in sealing ring before transmission shaft installation, transmission shaft installs full skirt shroud ring after completing installation, allows full skirt edge will
Main Control Tank shield baffle ring is covered completely into wherein, while slightly gap, is guaranteed unaffected when transmission shaft rotation.Then it adjusts close
Seal makes it fit closely full skirt shroud ring, prevents rainwater from penetrating down into along transmission shaft.Finally, locking wire cabinet is installed using clip
It is put into and wherein protects on control cabinet connection tower angle steel, and by power supply line, signal wire and remote control case.
Automatic phase selecting disconnecting link of the invention is realized by installing one or more sets automatic phase selecting disconnecting link components to needing ice-melt
The selective connection of ground line segment.
As shown, automatic phase selecting disconnecting link is made of two points of disconnecting links, divides disconnecting link to be respectively placed in insulating protection case, pass through
Even tower assembly is mounted on the steel tower platform nearest apart from ground.Two terminal boards are stretched out in disconnecting link 1 and 2 two sides of disconnecting link respectively, and one
End is separately connected a ground wire, and the other end is connected with same set of ground wire deicing automatic connection device.Pass through disconnecting link 1 and disconnecting link 2
Switch closing and switch opening, selection carry out energization ice-melt to the ground wire of different sections.
Main Control Tank connects tower assembly by control cabinet and is mounted on away from the nearest lower section tower leg platform of disconnecting link.Main Control Tank passes through biography
Moving axis drives disconnecting link rotation to realize and closes a floodgate and open a sluice gate.In order to realize that tower bottom remotely operates disconnecting link, remote control case is devised.Far
Control case is connect by signal wire with Main Control Tank, and panel is equipped with and closes a floodgate, opens a sluice gate, stopping three buttons and indicator light, as needed
Motor action in the i.e. controllable Main Control Tank of the corresponding button is pressed, while corresponding indicator light is bright.Main Control Tank passes through motor driven snail
Worm and gear retarder drives transmission shaft, realizes the combined floodgate of disconnecting link and opens a sluice gate.In transmission system, any one node is frozen all
It will lead to combined floodgate or open a sluice gate unsuccessfully.Therefore, disconnecting link is designed using totally-enclosed protective housing, has both can avoid ice and snow to the shadow of equipment
It rings, a possibility that capable of also eliminating hornet, birds etc. nest builds nest in equipment；The rotary part of Main Control Tank output shaft is then used
Combination is protected.
Under off working state, far control case, power cord connector, power supply line and signal wire are concealed in locking wire cabinet and are prevented
Shield.When needing to be changed disconnecting link folding condition, remote control case and power cord connector are taken to tower, and by power cord connector with
DC power supply connection, by operating the remote combined floodgate for controlling case realization disconnecting link and opening a sluice gate.
After automatic phase selecting disconnecting link is connected, the realization of ground wire deicing automatic connection device can be operated, selectively line segment is melted
Ice.
When needing to carry out ice-melt to certain section ground wire, staff is carried under Portable DC mains to tower, from locking wire
Power cord connector and remote control case are removed in cabinet, and power cord connector and DC power supply are connected, and press " combined floodgate " button, it is automatic to select
Combined floodgate can be completed in item disconnecting link, can carry out ice-melt to the ground line segment of selection at this time.Ice-melt terminates or need to switch to other ground line segments
When carrying out ice-melt, " opening a sluice gate " button pressed on remote control case can disconnect this section of ground wire and ice-melt termination.
A terminal board is respectively stretched out in the two sides of disconnecting link, and one end is connect with ground wire, and the other end and ground wire deicing automatic connection fill
Connection is set, the ice melting current that ground wire deicing automatic connection device obtains can be reached ground wire after closing a floodgate, melted to ground wire by disconnecting link
Ice.
Main Control Tank includes direct current generator, retarder, electrical component, all kinds of power switches, operation button, change-over switch, hand
Dynamic circuit connector floodgate part etc..Main Control Tank draws a power supply line, and when work need to connect with DC power supply.Under working condition, master control is opened
Three power switches on case, and need to select corresponding operating mode (with regard to ground mode, stop mode or remote according to practical operation
Control mode)." remote control " mode is selected to select mode " on the spot " if directly operating Main Control Tank if operating remote control case under tower.
Remote control case, which is equipped with, to close a floodgate, opens a sluice gate, stopping three buttons.When needing to carry out ice-melt, " the conjunction on remote control case or Main Control Tank is pressed
Lock " button, the rotation of direct current generator drive transmission device, the transmission shaft through worm type of reduction gearing output end drive the transmission of disconnecting link
Component rotation.It is automatically stopped after contact, the fingertip of disconnecting link are rotated by 90 ° in-place closing respectively, needs to carry out the ground of ice-melt at this time
Line and ground wire deicing automatic connection device are connected, and can be powered and be carried out ground wire deicing.When pressing " opening a sluice gate " button, direct current generator is driven
Dynamic transmission mechanism rotation, contact, the fingertip of disconnecting link reversely rotate 90 degree respectively, open a sluice gate to be automatically stopped afterwards in place.It is opening a sluice gate or is closing
Any time during lock, as long as pressing " stopping " button, i.e., cut-off motor power, disconnecting link stopping movement.
Under normal operating conditions, generally by the combined floodgate or switching-off action for operating remote control case realization disconnecting link under tower.Cause
This, remote to control in case power switch in an ON state when no special situation, mode conversion switch selection " remote control " mode.Remote control
Case is connect by signal wire with Main Control Tank, and compact is easy to operate.When off working state, case, power supply line, signal are far controlled
Line is placed in locking wire cabinet and collects.When needing to carry out ice-melt to ground wire, remote control case and power-line plug are removed in locking wire cabinet,
The corresponding button is operated after powering on.
Claims (6)
1. automatic phase selecting disconnecting link, it is characterised in that: including at least two sets of disconnecting link components, each disconnecting link component one end connects ground wire,
The other end connects ground wire deicing automatic connection device, and the disconnecting link component includes disconnecting link, transmission shaft, Main Control Tank, far controls case, disconnecting link
Protective housing, locking wire cabinet and disconnecting link connect tower assembly, and disconnecting link is fixed in disconnecting link protective housing, and disconnecting link is arranged below disconnecting link protective housing and connects
Disconnecting link is installed on steel tower by tower assembly, and transmission shaft is connected below disconnecting link, and transmission shaft lower end connects Main Control Tank, and Main Control Tank passes through electricity
Source line connects DC power supply, and locking wire cabinet is arranged below Main Control Tank, and far control case, power supply line, signal wire are both placed in locking wire cabinet,
Wherein a terminal board is stretched out in the two sides of disconnecting link respectively, and a terminal board connects ground wire, and other end daughter board connects ground wire deicing certainly
Dynamic termination.
2. automatic phase selecting disconnecting link according to claim 1, it is characterised in that: control cabinet is arranged below Main Control Tank and connects tower group
Main Control Tank is installed on steel tower by part, and locking wire cabinet is mounted on control cabinet and connects below tower assembly, in the connection of transmission shaft and Main Control Tank
Place also sets up protecting cover for transmission shaft.
3. automatic phase selecting disconnecting link according to claim 2, it is characterised in that: protecting cover for transmission shaft includes sealing ring and full skirt
Shroud ring, wherein sealing ring is mounted on transmission shaft, and full skirt shroud ring is mounted on sealing ring, the lower end surface of full skirt shroud ring and Main Control Tank
Between there are gaps, shield is set above the cabinet of Main Control Tank, and shield position corresponding with transmission shaft is provided with gear
Ring.
4. automatic phase selecting disconnecting link according to claim 1 or 2 or 3, it is characterised in that: remote control case passes through signal wire and master control
Case connection, remote control case panel, which is equipped with, to close a floodgate, opens a sluice gate, stopping three buttons, and each button respectively corresponds one accordingly
Indicator light.
5. automatic phase selecting disconnecting link according to claim 4, it is characterised in that: the disconnecting link protective housing is insulating protection case,
The disconnecting link protective housing is set as glass reinforced plastic protective housing.
6. automatic phase selecting disconnecting link according to claim 5, it is characterised in that: also be provided with closing a floodgate on Main Control Tank panel, open
Lock stops three buttons, and hand crank has also been devised on Main Control Tank panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910402865.3A CN110021904A (en) | 2019-05-15 | 2019-05-15 | Automatic phase selecting disconnecting link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910402865.3A CN110021904A (en) | 2019-05-15 | 2019-05-15 | Automatic phase selecting disconnecting link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110021904A true CN110021904A (en) | 2019-07-16 |
Family
ID=67193890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910402865.3A Pending CN110021904A (en) | 2019-05-15 | 2019-05-15 | Automatic phase selecting disconnecting link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110021904A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2283920Y (en) * | 1996-08-26 | 1998-06-10 | 白春风 | Outdoor high-tenison vacuum isolation load switch |
| CN103247992A (en) * | 2013-05-07 | 2013-08-14 | 陈广生 | DC deicing method for overhead ground wires and OPGWs in electric transmission lines |
| CN106384989A (en) * | 2016-11-18 | 2017-02-08 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Device and method for performing DC ice melting on overhead ground wire of power transmission line |
| CN107508237A (en) * | 2017-02-22 | 2017-12-22 | 中国能源建设集团南京线路器材有限公司 | Upper box-like ground wire deicing automatic connection device |
| CN208423729U (en) * | 2018-05-04 | 2019-01-22 | 中国南方电网有限责任公司超高压输电公司贵阳局 | A kind of ground wire deicing grounding switch |
| CN209767117U (en) * | 2019-05-15 | 2019-12-10 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Automatic phase-selecting knife switch |
-
2019
- 2019-05-15 CN CN201910402865.3A patent/CN110021904A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2283920Y (en) * | 1996-08-26 | 1998-06-10 | 白春风 | Outdoor high-tenison vacuum isolation load switch |
| CN103247992A (en) * | 2013-05-07 | 2013-08-14 | 陈广生 | DC deicing method for overhead ground wires and OPGWs in electric transmission lines |
| CN106384989A (en) * | 2016-11-18 | 2017-02-08 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Device and method for performing DC ice melting on overhead ground wire of power transmission line |
| CN107508237A (en) * | 2017-02-22 | 2017-12-22 | 中国能源建设集团南京线路器材有限公司 | Upper box-like ground wire deicing automatic connection device |
| CN208423729U (en) * | 2018-05-04 | 2019-01-22 | 中国南方电网有限责任公司超高压输电公司贵阳局 | A kind of ground wire deicing grounding switch |
| CN209767117U (en) * | 2019-05-15 | 2019-12-10 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Automatic phase-selecting knife switch |
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