CN109741986B - Operating rod maintenance type integrated intelligent high-voltage switch - Google Patents
Operating rod maintenance type integrated intelligent high-voltage switch Download PDFInfo
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- CN109741986B CN109741986B CN201910017832.7A CN201910017832A CN109741986B CN 109741986 B CN109741986 B CN 109741986B CN 201910017832 A CN201910017832 A CN 201910017832A CN 109741986 B CN109741986 B CN 109741986B
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Abstract
The invention discloses a joystick maintenance type integrated intelligent high-voltage switch, which comprises a base body and three poles, switch drive unit, intelligent object and module control pole, three utmost point post is fixed respectively at the base member upside, switch drive unit fixes in the base member and is connected three utmost point post with three utmost point post and drive three utmost point post, be provided with one in the base member with the appearance chamber that intelligent object matches and hold the chamber and open at the base member downside, the intelligent object upside with hold the chamber and be provided with the socket or the plug of mutual matching on the side, it is provided with a rotation axis to rotate along vertical direction in the middle of the intelligent object, rotation axis upper end and the position that holds the chamber upside and correspond the rotation axis upper end are provided with the locking mechanism of mutual matching respectively, module control pole upper end is rotated and is provided with the intelligent object anchor clamps, module control pole upper end and the corresponding position. The intelligent module and the high-voltage switch are arranged together, and the maintenance is convenient.
Description
Technical Field
The invention relates to an intelligent high-voltage switch, in particular to a joystick maintenance type integrated intelligent high-voltage switch.
Background
The intelligent switch used in the power grid generally comprises two major parts. One part is a high-voltage and high-current switch part used for connecting or isolating a power grid; the other part is an intelligent part with micro-voltage and micro-current, and intelligent functions of measurement, protection, control, signal, diagnosis, communication and the like of the switch are realized. Transition devices such as sensors, actuators and the like are arranged between the switch part and the intelligent part, and the transition devices are generally arranged on the switch part.
The switch part and the intelligent part of the existing high-voltage intelligent switch are separated from each other, the switch part and the intelligent part are installed at different places or positions and are connected by cables, because if the switch part and the intelligent part are connected into a whole, due to high-voltage danger, the maintenance of the intelligent part is solved, the switch part needs to be quit from operation, and the reliability of power transmission, distribution and power supply is influenced. Therefore, the switch part and the intelligent part are installed separately, and a long cable is used for connection between the switch part and the intelligent part.
The existing intelligent high-voltage switch is characterized in that a switch part and an intelligent part are separately installed and connected by cables, so that a plurality of micro signals communicated between the switch part and the intelligent part and used for intellectualization are damaged, the comprehensiveness and the reliability of intellectualization are influenced, the switch part and the intelligent part of the high-voltage intelligent switch are separated, the linkage test of the switch part and the intelligent part is difficult, and the product quality cannot be guaranteed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a joystick maintenance type integrated intelligent high-voltage switch, wherein an intelligent module and the high-voltage switch are arranged together and are convenient to maintain.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a pole maintenance type integral type intelligent high voltage switch which characterized in that: contain the base member, three utmost point post, switch drive unit, intelligent object and module control pole, three utmost point post is fixed respectively at the base member upside, switch drive unit fixes in the base member and is connected three utmost point post with three utmost point post and drive three utmost point post, be provided with one in the base member and hold the chamber and open at the base member downside, be provided with the socket or the plug of mutual matching on intelligent object upside and the appearance chamber side, it is provided with an axis of rotation to rotate along vertical direction in the middle of the intelligent object, axis of rotation upper end and the position that holds the chamber upside and correspond the axis of rotation upper end are provided with the locking mechanism of mutual matching respectively, module control pole upper end is rotated and is provided with the intelligent object anchor clamps, module control pole upper end is provided with the.
Furthermore, the three poles respectively comprise a switch static contact, a switch moving contact, a moving contact arc extinguish chamber, an insulating part and a pull rod, the switch static contact is fixed on the upper side of the moving contact arc extinguish chamber, the switch moving contact is arranged on the lower side of the moving contact arc extinguish chamber in a sliding mode and can slide up and down in the moving contact arc extinguish chamber, the upper end of the insulating part is connected with the lower end of the switch moving contact, the upper end of the pull rod is connected with the lower end of the insulating part, and the lower end of the pull rod vertically extends downwards into the base body and is connected.
Furthermore, locking mechanism's structure is that the axis of rotation upper end is provided with the screw hole of seting up along vertical direction, holds the side of going up of chamber and is fixed with a bolt, and the bolt sets up and the bolt upper end is fixed on holding the side of appearance chamber, and the bolt position corresponds with axis of rotation upper end screw hole, and under intelligent module inserted the appearance intracavity state, the bolt lower extreme inserted the setting in axis of rotation upper end screw hole with axis of rotation threaded connection.
Furthermore, the locking mechanism is structurally characterized in that two pin shafts are arranged at the upper end of the rotating shaft, the two pin shafts are arranged along the radial line direction of the cross section of the rotating shaft, one end of each pin shaft is fixed on the side faces of two sides of the upper end of the rotating shaft respectively, a sleeve is fixed on the upper side of the accommodating cavity, a blind hole matched with the rotating shaft is formed in the sleeve, an annular channel is formed in the blind hole, two grooves matched with the pin shafts are formed in two sides of the blind hole along the radial line direction, the upper ends of the grooves are communicated with the annular channel, the intelligent module is inserted into the accommodating cavity, the pin shafts at the upper ends of the rotating shafts are inserted into the annular channel from the.
Furthermore, locking mechanism contains the bottle opener, and the bottle opener sets up at intelligent module anchor clamps inboard and the bottle opener lower extreme is fixed in module control pole upper end along module control pole length direction, and the rotation axis lower extreme is opened has the shrinkage pool that matches with the bottle opener, and under the state that the bottle opener was inserted in the rotation axis shrinkage pool, the bottle opener can't be at the rotation axis shrinkage pool internal rotation.
Furthermore, the bottle opener is a hexagonal prism, and a concave hole at the lower end of the rotating shaft is a hexagon socket.
Further, the module operating rod comprises a module rod body and a twisting piece, the twisting piece is fixed at the upper end of the rod body and is made of elastic materials, the rod body comprises at least one connecting rod, one end of the connecting rod is provided with a bolt, the other end of the connecting rod is provided with a screw hole matched with the bolt, adjacent connecting rods are locked and fixed through threads, the intelligent module clamp comprises a bottom plate and two side clamping plates, the bottom plate is arranged perpendicular to the rod body, the bottom plate is sleeved at the upper end of the rod body and can rotate freely, the two side clamping plates are symmetrically arranged at two sides of the bottom plate, the lower sides of the clamping plates are fixedly connected with the bottom plate, the space between the clamping plates is matched with the width of the intelligent module, the upper ends of the clamping plates are bent outwards, the bottom plate at the intelligent module extends outwards in a protruding, when the intelligent module is clamped in the intelligent module clamp, the convex card is arranged in the concave hole of the clamping plate.
Furthermore, the four corners of the accommodating cavity are respectively provided with a guide block, the outer side surface of each guide block is fixed on the inner wall of the accommodating cavity, the four guide blocks jointly form a module mounting groove matched with the intelligent module, the lower end of each guide block is provided with a wedge-shaped surface for guiding, the upper side of the accommodating cavity is provided with two transverse shafts corresponding to the bending positions of the clamping plates on the two sides, and the transverse shafts are fixed on the upper side of the accommodating cavity through supports.
Furthermore, the containing cavity lower side is provided with a cover plate, one side of the cover plate is hinged to the base, the other side of the cover plate is provided with a screw rod which vertically penetrates through the cover plate and is rotatably arranged on the cover plate, the lower end of the screw rod is provided with a circular ring, the screw rod is radially arranged along the circular ring, one end of the screw rod is fixedly connected with the side face of one side of the circular ring, and a nut is fixed at the position, corresponding to the screw rod, of the base.
Further, still contain an apron action bars, the apron action bars contains the apron body of rod, ring groove body and driving lever, and the ring groove body upside is seted up and is fixed in the body of rod upper end with the recess that the ring matches and the ring groove body, and driving lever perpendicular to ring groove side sets up and driving lever one end is fixed on ring groove side.
Compared with the prior art, the invention has the following advantages and effects: according to the invention, the high-voltage switch and the intelligent module are arranged together through the two independent cases so as to be installed on the upper part of the electric wire pile together, and the intelligent module is taken down for maintenance through the module operating rod during maintenance, so that the intelligent switch has the advantages of simple structure, convenience in operation, reliability in operation and high cost performance, and the problems of the existing high-voltage intelligent switch are solved.
Drawings
Fig. 1 is a schematic diagram of a joystick maintenance type integrated intelligent high voltage switch of the present invention.
Fig. 2 is a schematic diagram of the intelligent module of the present invention.
Figure 3 is a bottom view of the chamber of the present invention.
FIG. 4 is a schematic view of a modular joystick of the present invention.
FIG. 5 is a schematic view of the deck lever of the present invention.
Detailed Description
The present invention is further illustrated by the following examples, which are illustrative of the present invention and are not to be construed as being limited thereto.
As shown in figure 1, the invention relates to a joystick maintenance type integrated intelligent high-voltage switch, which comprises a base body 1, three poles 2, a switch driving part 3, an intelligent module 4 and a module joystick, wherein the three poles 2 are respectively fixed on the upper side of the base body 1, the switch driving part 3 is fixed in the base body 1 and is connected with the three poles 2 to drive the three poles 2, a containing cavity 5 matched with the intelligent module 4 is arranged in the base body 1, the containing cavity 5 is opened on the lower side surface of the base body 1, sockets or plugs matched with each other are arranged on the upper side of the intelligent module 4 and the upper side surface of the containing cavity 5, a rotating shaft 6 is rotatably arranged in the middle of the intelligent module 4 along the vertical direction, locking mechanisms matched with each other are respectively arranged at the upper end of the rotating shaft 6 and the upper side of the containing cavity 5 corresponding to the upper end of the rotating shaft 6, an intelligent module clamp is rotatably arranged at the upper And a movable locking structure.
The three poles 2 respectively comprise a switch static contact 7, a switch moving contact 8, a moving contact arc extinguish chamber 9, an insulating part 10 and a pull rod 11, the switch static contact 7 is fixed on the upper side of the moving contact arc extinguish chamber 9, the switch moving contact 8 is arranged on the lower side of the moving contact arc extinguish chamber 9 in a sliding mode and can slide up and down in the moving contact arc extinguish chamber 9, the upper end of the insulating part 10 is connected with the lower end of the switch moving contact 8, the upper end of the pull rod 11 is connected with the lower end of the insulating part 10, and the lower end of the pull rod 11 vertically extends downwards into the base body 1 to be connected with.
The locking mechanism comprises two embodiments:
example 1:
as shown in fig. 2 and 3, the locking mechanism has a structure that a threaded hole 12 formed in the vertical direction is formed in the upper end of the rotating shaft 6, a bolt 13 is fixed on the upper side surface of the accommodating cavity 5, the bolt 13 is arranged in the vertical direction, the upper end of the bolt 13 is fixed on the upper side surface of the accommodating cavity 5, the position of the bolt 13 corresponds to the threaded hole 12 in the upper end of the rotating shaft 6, and the lower end of the bolt 13 is inserted into the threaded hole 12 in the upper end of the rotating shaft 6 and is in threaded connection with the rotating shaft 6 in the state that the intelligent.
Example 2:
the locking mechanism is structurally characterized in that two pin shafts are arranged at the upper end of the rotating shaft, the two pin shafts are arranged along the radial line direction of the cross section of the rotating shaft, one end of each pin shaft is fixed on the side faces of two sides of the upper end of the rotating shaft respectively, a sleeve is fixed on the upper side of the accommodating cavity, a blind hole matched with the rotating shaft is formed in the sleeve, an annular channel is formed in the blind hole, two grooves matched with the pin shafts are formed in two sides of the blind hole along the radial line direction, the upper ends of the grooves are communicated with the annular channel, the intelligent module is inserted into the accommodating cavity, the pin shafts at the upper end of the rotating shaft are inserted into the annular.
The locking mechanism can also adopt other structures with similar rotating and locking functions, or directly adopts a tip cone clamping structure, and the locking mechanism only can be matched with the operating rod and belongs to the protection scope of the invention.
The locking mechanism comprises a screwdriver 14, the screwdriver 14 is arranged on the inner side of the intelligent module clamp along the length direction of the module operating rod, the lower end of the screwdriver 14 is fixed at the upper end of the module operating rod, a concave hole matched with the screwdriver 14 is formed in the lower end of the rotating shaft 6, and the screwdriver 14 cannot rotate in the concave hole of the rotating shaft under the condition that the screwdriver 14 is inserted into the concave hole of the rotating shaft 6. The screwdriver 14 is a hexagonal prism, and the concave hole at the lower end of the rotating shaft 6 is a hexagon socket. The screwdriver can also adopt the column shape of other special-shaped structures, and the screwdriver can be exchanged with the position of the concave hole, and the screwdriver can be matched all the time.
As shown in fig. 4, the module lever comprises a module lever body 15 and a twisting member 16, the twisting member 16 is fixed on the upper end of the lever body 15 and made of elastic material, the lever body 15 comprises at least one connecting rod, one end of the connecting rod is provided with a bolt, the other end of the connecting rod is provided with a screw hole matched with the bolt, the adjacent connecting rods are locked and fixed through screw threads, the intelligent module clamp comprises a bottom plate 17 and two side clamping plates 18, the bottom plate 17 is arranged perpendicular to the lever body 15, the bottom plate 17 is sleeved on the upper end of the lever body 15 and can rotate freely, the two side clamping plates 18 are symmetrically arranged on two sides of the bottom plate 17, the lower sides of the clamping plates 18 are fixedly connected with the bottom plate 17, the distance between the clamping plates 18 is matched with the width of the intelligent module 4, the upper end of the clamping plate 18 is bent outwards, through the matching positioning of the clamping plate 18 and the notch 19, the intelligent module is ensured to be positioned in the middle of the clamp. 4 both sides of intelligent object are provided with an arch 20 respectively, and both sides splint 18 correspond the position and open the shrinkage pool 21 that has and match with arch 20, establish under the intelligent object anchor clamps inphase at intelligent object 4 card, and arch 20 card is established in the shrinkage pool 21 of splint 18, guarantees that intelligent object can not drop.
The four corners of the accommodating cavity 5 are respectively provided with a guide block 22, the outer side face of each guide block 22 is fixed on the inner wall of the accommodating cavity 5, the four guide blocks 22 jointly form a module mounting groove matched with the intelligent module 4, the lower end of each guide block 22 is provided with a wedge-shaped face for guiding, a groove is formed in the inner side of each guide block, balls are arranged in the grooves, and therefore the intelligent module 4 can be conveniently mounted. Two transverse shafts 23 are arranged at the bending positions of the clamping plates 18 on the two sides of the accommodating cavity 5, and the transverse shafts 23 are fixed on the upper side of the accommodating cavity 5 through supports, so that when the intelligent module 4 is installed in the accommodating cavity 5 in place, the transverse shafts 23 support the clamping plates 18 to the two sides through the bending positions of the clamping plates 18, and therefore the clamp is convenient to detach.
The lower side of the cavity 5 is provided with a cover plate 24, one side of the cover plate 24 is hinged on the base 1, the other side of the cover plate 24 is provided with a screw rod 25 which vertically penetrates through the cover plate 24 and is rotatably arranged on the cover plate 24, the lower end of the screw rod 25 is provided with a circular ring 26, the screw rod 25 is arranged along the radial direction of the circular ring 26, one end of the screw rod 25 is fixedly connected with the side face of one side of the circular ring 26, and a nut is fixed at the position of the base.
As shown in fig. 5, the lever maintenance type integrated intelligent high-voltage switch further comprises a cover lever, the cover lever comprises a cover lever body 27, a circular groove body 28 and a shifting lever 29, the upper side of the circular groove body 28 is provided with a groove matched with the circular ring 26, the circular groove body 28 is fixed at the upper end of the lever body 27, the shifting lever 29 is perpendicular to the side surface of the circular groove body 28, and one end of the shifting lever 29 is fixed on the side surface of the circular groove body 28.
When the intelligent module is used, the intelligent module 4 is inserted into the cavity 5 through the socket 30 and is fixed, and when ordinary maintenance is carried out daily, a wireless antenna can be arranged on the base body, and then wireless communication is carried out between the base body and the intelligent module 4 through the mobile end, so that data can be acquired remotely without climbing. When maintenance and replacement are needed, a worker firstly sleeves the ring 26 of the cover plate with the ring groove 28 of the cover plate operating rod, then rotates the screw rod 25 to be loosened, and then hooks the ring from the side through the driving rod 29 to pull the cover plate away. At this moment, change into module lever, aim at intelligent module 4 with module lever and insert the appearance intracavity, guarantee under the effect of notch 19 that intelligent module anchor clamps are lived intelligent module and make bottle opener 14 aim at the 6 lower extreme shrinkage pools of axis of rotation of intelligent module 4, rotate module lever and pull down intelligent module. After the maintenance is completed, the intelligent module is reinstalled according to the process.
The socket on the upper side of the cavity is connected with the pole on the upper side of the base body 1 through a connecting line, an inductor 31 is connected in series on the connecting line, the inductor is wound on a magnetic material, and the inductor is wound on the magnetic material in a multi-loop parallel mode, so that the structure of the inductor is simplified.
According to the invention, the high-voltage switch and the intelligent module are arranged together through the two independent cases so as to be installed on the upper part of the electric wire pile together, and the intelligent module is taken down for maintenance through the module operating rod during maintenance, so that the intelligent switch has the advantages of simple structure, convenience in operation, reliability in operation and high cost performance, and the problems of the existing high-voltage intelligent switch are solved.
The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (9)
1. The utility model provides a pole maintenance type integral type intelligent high voltage switch which characterized in that: the intelligent pole-changing device comprises a base body, three poles, a switch driving part, an intelligent module and a module operating rod, wherein the three poles are respectively fixed on the upper side of the base body, the switch driving part is fixed in the base body and is connected with the three poles to drive the three poles, a containing cavity matched with the intelligent module is arranged in the base body, the containing cavity is opened on the lower side surface of the base body, sockets or plugs matched with each other are arranged on the upper side surface and the upper side surface of the containing cavity, a rotating shaft is rotatably arranged in the middle of the intelligent module along the vertical direction, mutually matched locking mechanisms are respectively arranged at the upper end of the rotating shaft and the position of the upper side of the containing cavity, which corresponds to the upper end of the rotating shaft, an intelligent module clamp is rotatably arranged at; the locking mechanism comprises a screwdriver, the screwdriver is arranged on the inner side of the intelligent module clamp along the length direction of the module operating rod, the lower end of the screwdriver is fixed at the upper end of the module operating rod, a concave hole matched with the screwdriver is formed in the lower end of the rotating shaft, and the screwdriver cannot rotate in the concave hole of the rotating shaft in the state that the screwdriver is inserted into the concave hole of the rotating shaft.
2. The lever maintenance type integrated intelligent high-voltage switch according to claim 1, wherein: the three polar columns respectively comprise a switch static contact, a switch moving contact, a moving contact arc extinguish chamber, an insulating part and a pull rod, the switch static contact is fixed on the upper side of the moving contact arc extinguish chamber, the switch moving contact is arranged on the lower side of the moving contact arc extinguish chamber in a sliding mode and can slide up and down in the moving contact arc extinguish chamber, the upper end of the insulating part is connected with the lower end of the switch moving contact, the upper end of the pull rod is connected with the lower end of the insulating part, and the lower end of the pull rod vertically extends downwards into the base body.
3. The lever maintenance type integrated intelligent high-voltage switch according to claim 1, wherein: the locking mechanism is characterized in that a threaded hole formed in the vertical direction is formed in the upper end of the rotating shaft, a bolt is fixed on the upper side face of the accommodating cavity, the bolt is arranged in the vertical direction, the upper end of the bolt is fixed on the upper side face of the accommodating cavity, the position of the bolt corresponds to that of the threaded hole in the upper end of the rotating shaft, and the lower end of the bolt is inserted into the threaded hole in the upper end of the rotating shaft and is connected with the rotating shaft in a threaded manner when the intelligent.
4. The lever maintenance type integrated intelligent high-voltage switch according to claim 1, wherein: the locking mechanism is structurally characterized in that two pin shafts are arranged at the upper end of the rotating shaft, the two pin shafts are arranged along the radial line direction of the cross section of the rotating shaft, one end of each pin shaft is fixed on the side faces of two sides of the upper end of the rotating shaft respectively, a sleeve is fixed on the upper side of the accommodating cavity, a blind hole matched with the rotating shaft is formed in the sleeve, an annular channel is formed in the blind hole, two grooves matched with the pin shafts are formed in two sides of the blind hole along the radial line direction, the upper ends of the grooves are communicated with the annular channel, the intelligent module is inserted into the accommodating cavity, the pin shafts at the upper end of the rotating shaft are inserted into the annular channel.
5. The lever maintenance type integrated intelligent high-voltage switch according to claim 1, wherein: the screwdriver is a hexagonal prism, and the concave hole at the lower end of the rotating shaft is a hexagon socket.
6. The lever maintenance type integrated intelligent high-voltage switch according to claim 1, wherein: the module operating rod comprises a module rod body and a twisting piece, the twisting piece is fixed at the upper end of the rod body and is made of elastic materials, the rod body comprises at least one connecting rod, one end of the connecting rod is provided with a bolt, the other end of the connecting rod is provided with a screw hole matched with the bolt, adjacent connecting rods are locked and fixed through threads, the intelligent module clamp comprises a bottom plate and two side clamping plates, the bottom plate is arranged perpendicular to the rod body, the bottom plate is sleeved at the upper end of the rod body and can rotate freely, the two side clamping plates are symmetrically arranged at two sides of the bottom plate, the lower sides of the clamping plates are fixedly connected with the bottom plate, the space between the clamping plates is matched with the width of the intelligent module, the upper ends of the clamping plates are bent outwards, the bottom plate at the bottom of the intelligent module, when the intelligent module is clamped in the intelligent module clamp, the convex card is arranged in the concave hole of the clamping plate.
7. The lever maintenance type integrated intelligent high-voltage switch according to claim 6, wherein: the intelligent module comprises an accommodating cavity, wherein the accommodating cavity is formed by a plurality of clamping plates, the clamping plates are arranged on the accommodating cavity, the clamping plates are arranged on the two sides of the accommodating cavity, the clamping plates are arranged on the clamping plates, the clamping plates are arranged on.
8. The lever maintenance type integrated intelligent high-voltage switch according to claim 1, wherein: the cavity downside is provided with the apron, apron one side articulates on the base, and the apron opposite side is provided with a screw rod that passes the apron perpendicularly and rotate and set up on the apron, and the screw rod lower extreme is provided with a ring, and the screw rod sets up and screw rod one end and ring one side fixed connection along the radial of ring, and the base member corresponds the screw rod position and is fixed with a nut.
9. The lever maintenance type integrated intelligent high-voltage switch according to claim 8, wherein: still contain an apron action bars, the apron action bars contains the apron body of rod, ring groove body and driving lever, and the ring groove body upside is seted up the recess that matches with the ring and the ring groove body is fixed in the body of rod upper end, and driving lever perpendicular to ring groove side sets up and driving lever one end is fixed on ring groove side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910017832.7A CN109741986B (en) | 2019-01-09 | 2019-01-09 | Operating rod maintenance type integrated intelligent high-voltage switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910017832.7A CN109741986B (en) | 2019-01-09 | 2019-01-09 | Operating rod maintenance type integrated intelligent high-voltage switch |
Publications (2)
| Publication Number | Publication Date |
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| CN109741986A CN109741986A (en) | 2019-05-10 |
| CN109741986B true CN109741986B (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910017832.7A Active CN109741986B (en) | 2019-01-09 | 2019-01-09 | Operating rod maintenance type integrated intelligent high-voltage switch |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200969314Y (en) * | 2006-10-29 | 2007-10-31 | 宝光集团有限公司 | Outdoor high-voltage duplicate power supply vacuum circuit breaker |
| CN204497138U (en) * | 2015-04-23 | 2015-07-22 | 南力电气科技有限公司 | Charging type outdoor vacuum primary cut-out |
| CN105575688A (en) * | 2016-01-22 | 2016-05-11 | 国网浙江省电力公司金华供电公司 | Knife switch operating device |
| CN106653419A (en) * | 2016-11-07 | 2017-05-10 | 平高集团有限公司 | High-voltage switch supporting integrated cabinet and high-voltage switch |
| CN108198725A (en) * | 2018-02-10 | 2018-06-22 | 福建省宏科电力科技有限公司 | One or two fusion intelligent switch of integral type |
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