CN116913725A - Integrated vacuum circuit breaker - Google Patents
Integrated vacuum circuit breaker Download PDFInfo
- Publication number
- CN116913725A CN116913725A CN202310858987.XA CN202310858987A CN116913725A CN 116913725 A CN116913725 A CN 116913725A CN 202310858987 A CN202310858987 A CN 202310858987A CN 116913725 A CN116913725 A CN 116913725A
- Authority
- CN
- China
- Prior art keywords
- mounting plate
- insulating cylinder
- static
- movable
- circuit breaker
- 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
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 97
- 230000003068 static effect Effects 0.000 claims abstract description 51
- 230000005540 biological transmission Effects 0.000 claims abstract description 40
- 230000009471 action Effects 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 239000004020 conductor Substances 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 12
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 20
- 229910018503 SF6 Inorganic materials 0.000 description 4
- 230000008033 biological extinction Effects 0.000 description 4
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010792 warming Methods 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses an integrated vacuum circuit breaker, comprising: the insulating cylinder is provided with a single-fracture vacuum arc-extinguishing chamber, a static end component is arranged at the static end part of the insulating cylinder, and a movable end component is arranged at the movable end part of the insulating cylinder; the insulating cylinder mounting plate is connected with the insulating cylinder; a mechanism mounting plate; the supporting component is arranged between the insulating cylinder mounting plate and the mechanism mounting plate; and one end of the transmission structure penetrates through the mechanism mounting plate to be connected with the operating mechanism, the other end of the transmission structure is connected with the mechanism mounting plate in a sealing way, the operating mechanism drives the moving end assembly to axially move so as to push the movable conducting rod and the static conducting rod inside the single-fracture vacuum arc-extinguishing chamber to be contacted for closing action, or the movable conducting rod and the static conducting rod are pulled to be separated for opening action. The integrated vacuum circuit breaker provided by the embodiment of the invention adopts a single-fracture vacuum arc extinguishing mode, can be broken for multiple times in a short time, is stable in breaking, can realize integrated assembly, and is directly installed in a GIS after being preassembled, so that the installation time cost and the labor cost are reduced.
Description
Technical Field
The invention relates to the technical field related to circuit breakers, in particular to an integrated vacuum circuit breaker.
Background
Medium-high voltage gas insulated switchgear widely used in electric power systems still uses sulfur hexafluoride gas as an insulating medium. Sulfur hexafluoride does not substantially decompose naturally in the atmosphere, helping to increase global warming. The fluorine-free environment-friendly replacement of the high-power pushing electric equipment is realized, and the energy-saving high-efficiency environment-friendly electric equipment is used, so that the high-power pushing electric equipment is a powerful support for achieving the targets of carbon peak reaching and carbon neutralization. At present, the 72.5kV high-pressure environment-friendly gas GIS is used as an insulating medium in the prior art, so that the purposes of energy conservation, high efficiency and environmental protection can be realized. However, most of vacuum circuit breakers adopted in the existing 72.5kV GIS are SF6 arc extinction or double-break serial arc extinction, and the SF6 arc extinction has the problem that frequent breaking cannot be performed in a short time; double-break series arc extinction presents the risk of failure to open due to voltage non-uniformity. And the installation mode of the vacuum circuit breaker adopted in the existing GIS is split installation, and the installation process is complicated.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the integrated vacuum circuit breaker which adopts a single-fracture vacuum arc extinguishing mode, can be repeatedly opened and closed in a short time, is stable in opening and closing, can realize integrated assembly, is directly installed in a GIS after being preassembled, and can reduce the time cost and labor cost during installation.
An integrated vacuum circuit breaker according to an embodiment of the present invention includes:
the insulating cylinder is provided with a single-fracture vacuum arc-extinguishing chamber, the single-fracture vacuum arc-extinguishing chamber is provided with a static end part and a movable end part, the static end part is provided with a static end assembly, the static end assembly is used for fixing the single-fracture vacuum arc-extinguishing chamber at one end of the insulating cylinder and leading out current, and the movable end part is provided with a movable end assembly;
one side of the insulating cylinder mounting plate is connected with one end of the insulating cylinder, which is close to the movable end assembly;
one end of the supporting component is connected with the other side of the insulating cylinder mounting plate;
one side of the mechanism mounting plate is connected with the other end of the supporting component, and the other side of the mechanism mounting plate is fixed with the GIS shell flange;
the transmission structure is positioned between the mechanism mounting plate and the insulating cylinder mounting plate, one end of the transmission structure penetrates through the mechanism mounting plate to be connected with the operating mechanism, the transmission structure is in sealing connection with the mechanism mounting plate, the other end of the transmission structure penetrates through the insulating cylinder mounting plate to be connected with the movable end assembly, and the transmission structure is used for driving the operating mechanism to axially move so as to drive the movable end assembly to axially move, so that the movable conducting rod and the static conducting rod inside the single-fracture vacuum arc-extinguishing chamber are pushed to be contacted to perform a closing action, or the movable conducting rod and the static conducting rod inside the single-fracture vacuum arc-extinguishing chamber are pulled to be separated to perform a separating action.
The integrated vacuum circuit breaker provided by the embodiment of the invention has at least the following beneficial effects:
according to the integrated vacuum circuit breaker disclosed by the embodiment of the invention, a single-fracture vacuum arc-extinguishing mode is adopted, the transmission structure is driven by the operating mechanism to axially move, so that the movable end assembly is driven to axially move, and then the movable conducting rod and the static conducting rod in the single-fracture vacuum arc-extinguishing chamber are pushed to be contacted to perform a closing action, or the movable conducting rod and the static conducting rod in the single-fracture vacuum arc-extinguishing chamber are pulled to be separated to perform a breaking action, so that multiple breaking in a short time can be realized, and the breaking is stable. Can realize the integral type equipment of circuit breaker through insulating cylinder mounting panel, supporting component, mechanism mounting panel, directly push into the GIS casing with the integral type vacuum circuit breaker that assembles after the installation through the opposite side of mechanism mounting panel with the GIS casing flange fixed can, need not to install spare part in the inside of the GIS casing, time cost and cost of labor when can reducing the installation.
According to some embodiments of the invention, the transmission structure comprises:
the corrugated pipe is positioned between the mechanism mounting plate and the insulating cylinder mounting plate, one end of the corrugated pipe passes through the mechanism mounting plate and is connected with the operating mechanism, the other end of the corrugated pipe passes through the insulating cylinder mounting plate and is connected with the movable end assembly, and the corrugated pipe is used for driving the movable end assembly to axially move through the operating mechanism so as to drive the movable end assembly to axially move, further drive a movable conducting rod and a static conducting rod in the single-fracture vacuum arc-extinguishing chamber to contact for closing or drive the movable conducting rod and the static conducting rod in the single-fracture vacuum arc-extinguishing chamber to separate for opening;
the sealing ring is arranged between the corrugated pipe and the mechanism mounting plate.
According to some embodiments of the invention, the moving end assembly comprises:
a moving end conductor arranged in the insulating cylinder;
one end of the flexible connector is connected with the movable end conductor, and the other end of the flexible connector is connected with the movable conducting rod;
the insulation pull rod is arranged in the insulation cylinder, one end of the insulation pull rod penetrates through the flexible connector to be connected with the movable conductive rod, and the other end of the insulation pull rod is connected with the other end of the transmission structure.
According to some embodiments of the invention, the side wall of the insulating cylinder is provided with a mounting heat dissipation opening, and the mounting heat dissipation opening is positioned above the insulating pull rod.
According to some embodiments of the invention, the dead-end assembly comprises:
the static end mounting plate is arranged outside the insulating cylinder and is connected with the static end part;
and the static end conductor is arranged on the static end mounting plate and is connected with the static conductive rod.
According to some embodiments of the invention, the support assembly comprises a plurality of support posts, one end of each of the support posts is connected with the insulating cylinder mounting plate, and the other end is connected with the mechanism mounting plate.
According to some embodiments of the invention, the plurality of support columns comprises a plurality of upper support columns and a plurality of lower support columns, the plurality of upper support columns are arranged between the insulating cylinder mounting plate and the mechanism mounting plate at equal intervals and are all positioned above the transmission structure, and the plurality of lower support columns are arranged between the insulating cylinder mounting plate and the mechanism mounting plate at equal intervals and are all positioned below the transmission structure.
According to some embodiments of the invention, the number of upper support columns and the number of lower support columns are the same.
According to some embodiments of the invention, the other side of the mechanism mounting plate is provided with a plurality of bolts, and a plurality of bolts are fixed with a GIS shell flange.
According to some embodiments of the invention, the bolts are distributed in a circle shape, the center of the circle is the center of the mechanism mounting plate, and the interval between two adjacent bolts is equal.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of an integrated vacuum circuit breaker according to an embodiment of the present invention;
fig. 2 is a perspective view of an integrated vacuum circuit breaker according to an embodiment of the present invention;
FIG. 3 is a top view of an integrated vacuum circuit breaker according to an embodiment of the present invention;
fig. 4 is a front view of an integrated vacuum circuit breaker according to an embodiment of the present invention.
Reference numerals:
the insulation cylinder 100, the single fracture vacuum arc extinguishing chamber 110, the movable end conductor 121, the flexible connector 122, the insulation pull rod 123, the static end mounting plate 131, the static end conductor 132 and the mounting heat dissipation port 101;
an insulating cylinder mounting plate 200;
an upper support column 310, a lower support column 320;
a mechanism mounting plate 400;
bellows 500.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, the description of first, second, etc. is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be determined reasonably by a person skilled in the art in combination with the specific content of the technical solution.
The following will make clear and complete description of the integrated vacuum circuit breaker according to the embodiments of the present invention with reference to fig. 1 to 4, and it is apparent that the embodiments described below are some, but not all, embodiments of the present invention.
An integrated vacuum circuit breaker according to an embodiment of the present invention includes an insulating cylinder 100, an insulating cylinder mounting plate 200, a support assembly, a mechanism mounting plate 400, and a transmission structure.
An insulating cylinder 100, in which a single-break vacuum arc-extinguishing chamber 110 is provided, the single-break vacuum arc-extinguishing chamber 110 having a stationary end portion and a movable end portion, the stationary end portion being provided with a stationary end assembly for fixing the single-break vacuum arc-extinguishing chamber 110 at one end of the insulating cylinder 100 and for drawing out current, the movable end portion being provided with a movable end assembly;
an insulating cylinder mounting plate 200, one side of which is connected to one end of the insulating cylinder 100 near the moving end assembly;
a support assembly having one end connected to the other side of the insulation cylinder mounting plate 200;
one side of the mechanism mounting plate 400 is connected with the other end of the supporting component, and the other side of the mechanism mounting plate 400 is fixed with the GIS shell flange;
the transmission structure is positioned between the mechanism mounting plate 400 and the insulating cylinder mounting plate 200, one end of the transmission structure passes through the mechanism mounting plate 400 and is connected with the operating mechanism, the transmission structure is in sealing connection with the mechanism mounting plate 400, the other end of the transmission structure passes through the insulating cylinder mounting plate 200 and is connected with the movable end assembly, and the transmission structure is used for driving the movable end assembly to axially move through the operating mechanism, so that the movable conducting rod and the static conducting rod inside the single-fracture vacuum arc-extinguishing chamber 110 are pushed to be contacted for closing action, or the movable conducting rod and the static conducting rod inside the single-fracture vacuum arc-extinguishing chamber 110 are pulled to be separated for opening action.
In some embodiments of the invention, referring to fig. 1, the dead-end assembly includes a dead-end mounting plate 131 and a dead-end conductor 132.
A stationary end mounting plate 131 provided outside the insulating cylinder 100 and connected to a stationary end;
the static end conductor 132 is arranged on the static end mounting plate 131 and is connected with the static conductive rod.
The static end mounting plate 131 fixes the single-break vacuum interrupter 110 at one end of the insulating cylinder 100, and the static end conductor 132 is connected to the static conductive rod for drawing current. It should be noted that the working principle of the static end assembly is the prior art known to those skilled in the art, and will not be described herein.
In some embodiments of the invention, referring to fig. 1, the moving end assembly includes a moving end conductor 121, a flexible connection body 122, and an insulating pull rod 123.
A movable end conductor 121 provided in the insulating cylinder 100;
a flexible connector 122 having one end connected to the movable conductor 121 and the other end connected to the movable conductive rod;
the insulating pull rod 123 is arranged in the insulating cylinder 100, one end of the insulating pull rod 123 penetrates through the flexible connector 122 to be connected with the movable conductive rod, and the other end of the insulating pull rod 123 is connected with the other end of the transmission structure.
The flexible connector 122 can guide the current of the movable conducting rod to the movable end conductor 121, the insulating pull rod 123 moves axially through the transmission effect of the transmission structure so as to push the movable conducting rod and the static conducting rod inside the single-fracture vacuum arc-extinguishing chamber 110 to contact for closing action, or pull the movable conducting rod and the static conducting rod inside the single-fracture vacuum arc-extinguishing chamber 110 to separate for opening action, and the single-fracture vacuum arc-extinguishing mode is adopted to realize repeated opening in a short time and stable opening.
It should be noted that the working principle of the moving end assembly is known to those skilled in the art, and will not be described herein.
The end of the insulating cylinder 100 near the moving end assembly is fixed to the insulating cylinder mounting plate 200 by an insert and a bolt. The insulating cylinder mounting plate 200 is mounted on the mechanism mounting plate 400 by a support assembly.
The supporting component is arranged between the insulating cylinder mounting plate 200 and the mechanism mounting plate 400, is not only used as a connecting piece of the insulating cylinder mounting plate 200 and the mechanism mounting plate 400, and can ensure that the insulating cylinder mounting plate 200 and the mechanism mounting plate 400 are firmly connected and cannot be easily broken. Also provides a setting space for the transmission structure and a moving space for the transmission structure. The shape, material, and connection manner of the support member to the insulating cylinder mounting plate 200 and the mechanism mounting plate 400 are not particularly limited herein, as long as the function of supporting connection can be achieved.
The integrated assembly of the circuit breaker can be realized through the insulating cylinder mounting plate 200, the supporting component and the mechanism mounting plate 400, the assembled integrated vacuum circuit breaker is directly pushed into the GIS shell during the installation and then is fixed with the GIS shell flange through the other side of the mechanism mounting plate 400, the installation of parts in the GIS shell is not needed, and the time cost and the labor cost during the installation can be reduced.
According to the integrated vacuum circuit breaker disclosed by the embodiment of the invention, a single-fracture vacuum arc extinguishing mode is adopted, and the operating mechanism drives the transmission structure to axially move, so that the movable end assembly is driven to axially move, and further the movable conducting rod and the static conducting rod in the single-fracture vacuum arc extinguishing chamber 110 are pushed to be contacted to perform a closing action, or the movable conducting rod and the static conducting rod in the single-fracture vacuum arc extinguishing chamber 110 are pulled to be separated to perform a breaking action, so that multiple times of breaking in a short time can be realized, and the breaking is stable. The integrated assembly of the circuit breaker can be realized through the insulating cylinder mounting plate 200, the supporting component and the mechanism mounting plate 400, the assembled integrated vacuum circuit breaker is directly pushed into the GIS shell during the installation and then is fixed with the GIS shell flange through the other side of the mechanism mounting plate 400, the installation of parts in the GIS shell is not needed, and the time cost and the labor cost during the installation can be reduced.
In some embodiments of the invention, referring to fig. 1-3, the transmission structure includes a bellows 500 and a seal ring.
The corrugated pipe 500 is positioned between the mechanism mounting plate 400 and the insulating cylinder mounting plate 200, one end of the corrugated pipe 500 passes through the mechanism mounting plate 400 and is connected with the operating mechanism, the other end of the corrugated pipe 500 passes through the insulating cylinder mounting plate 200 and is connected with the movable end assembly, and the corrugated pipe 500 is used for driving the movable end assembly to axially move through the driving of the operating mechanism so as to drive the movable conducting rod and the static conducting rod in the single-fracture vacuum arc extinguishing chamber 110 to be contacted for closing action, or pulling the movable conducting rod and the static conducting rod in the single-fracture vacuum arc extinguishing chamber 110 to be separated for opening action;
a seal ring is provided between the bellows 500 and the mechanism mounting plate 400.
Bellows 500 refers to a tubular elastic sensing element connected in a folding and telescoping direction with a foldable bellows. The bellows 500 has a thin wall and high sensitivity, has a fixed open end and a free sealed end, and increases elasticity by using an auxiliary coil spring or reed. When in operation, the movable end is stretched along the length direction of the pipe under the action of internal pressure, so that the movable end generates displacement in a certain relation with the pressure. The bellows 500 is driven to axially move through the operating mechanism, so that the movable end assembly is driven to axially move, and then the movable conducting rod and the static conducting rod inside the single-fracture vacuum arc-extinguishing chamber 110 are pushed to be contacted to perform a closing action, or the movable conducting rod and the static conducting rod inside the single-fracture vacuum arc-extinguishing chamber 110 are pulled to be separated to perform a separating action, and the single-fracture vacuum arc-extinguishing mode is adopted, so that multiple times of breaking in a short time can be realized, and the breaking is stable.
The bellows 500 is mounted on the mechanism mounting plate 400 through a sealing ring, so that the GIS gas does not leak out when the operating mechanism drives the bellows 500 to perform axial movement.
It should be noted that the structure and principle of the bellows 500 are well known to those skilled in the art, and are not described herein. The specific type and size of the bellows 500 also need to be determined according to practical situations, and are not particularly limited herein. The size, shape, and material of the seal ring are not particularly limited, and may be selected according to actual conditions.
In some embodiments of the invention, referring to fig. 2 and 3, a mounting heat sink 101 is formed on a sidewall of the insulating cylinder 100, and the mounting heat sink 101 is located above the insulating pull rod 123. The installation heat dissipation port 101 is located above the insulation pull rod 123, so that the installation of an internal structure and the extraction of the movable end conductor 121 are facilitated, and a heat dissipation effect is achieved.
The specific size and shape of the mounting heat dissipation port 101 are not particularly limited, as long as the mounting of the internal structure and the extraction of the movable end conductor 121 are facilitated and the heat dissipation effect is achieved.
In some embodiments of the invention, referring to fig. 1-3, the support assembly includes a plurality of support posts, each of which is connected at one end to the cartridge mounting plate 200 and at the other end to the mechanism mounting plate 400. The support assembly is disposed between the insulating cylinder mounting plate 200 and the mechanism mounting plate 400, not only as a connection member of the insulating cylinder mounting plate 200 and the mechanism mounting plate 400, but also to provide a setting space for the transmission structure and a moving space for the transmission structure. The plurality of support posts can ensure that the insulating cylinder mounting plate 200 and the mechanism mounting plate 400 are more firmly connected and cannot be easily broken.
In some embodiments of the invention, referring to fig. 1 and 2, the plurality of support columns includes a plurality of upper support columns 310 and a plurality of lower support columns 320, the plurality of upper support columns 310 are equally spaced between the insulating cylinder mounting plate 200 and the mechanism mounting plate 400 and are both located above the transmission structure, and the plurality of lower support columns 320 are equally spaced between the insulating cylinder mounting plate 200 and the mechanism mounting plate 400 and are both located below the transmission structure. Because the integrated vacuum circuit breaker of the embodiment of the invention is installed on the GIS housing through the other side of the mechanism installation plate 400, the insulating cylinder installation plate 200 and the insulating cylinder 100 are all connected to the mechanism installation plate 400 by a plurality of support columns. The upper support columns 310 are equally spaced between the insulating cylinder mounting plate 200 and the mechanism mounting plate 400 and are all located above the transmission structure, and the lower support columns 320 are equally spaced between the insulating cylinder mounting plate 200 and the mechanism mounting plate 400 and are all located below the transmission structure, so that the stress between the insulating cylinder mounting plate 200 and the mechanism mounting plate 400 is more uniform, and the insulating cylinder mounting plate 200 and the insulating cylinder 100 cannot be easily disconnected from the mechanism mounting plate 400.
In some embodiments, the plurality of supporting columns may also enclose a rectangular frame structure around the edges of the insulating cylinder mounting plate 200 and the mechanism mounting plate 400, or may be uniformly distributed between the insulating cylinder mounting plate 200 and the mechanism mounting plate 400 without a specific shape, or may make the stress between the insulating cylinder mounting plate 200 and the mechanism mounting plate 400 more uniform, so that the insulating cylinder mounting plate 200 and the insulating cylinder 100 cannot be easily disconnected from the mechanism mounting plate 400. The location of the plurality of support columns should not be construed as limiting the invention.
In some embodiments of the invention, referring to fig. 1 and 2, the number of upper support columns 310 and lower support columns 320 is the same. The same number of upper support columns 310 and lower support columns 320 may allow for more uniform force between the cartridge mounting plate 200 and the mechanism mounting plate 400, and the cartridge mounting plate 200 and cartridge 100 may not be easily disconnected from the mechanism mounting plate 400.
It should be noted that the specific number of the upper support columns 310 and the lower support columns 320 may be set according to practical situations, and is not specifically limited herein. In addition, the number of the upper support columns 310 and the lower support columns 320 may be different, so long as the stress between the insulating cylinder mounting plate 200 and the mechanism mounting plate 400 is relatively uniform, so long as the insulating cylinder mounting plate 200 and the insulating cylinder 100 are not easily disconnected from the mechanism mounting plate 400, and the present invention is not limited.
In some embodiments of the invention, referring to fig. 4, the other side of the mechanism mounting plate 400 is provided with a plurality of bolts that are secured to the GIS housing flange. Through insulating cylinder mounting panel 200, supporting component, mechanism mounting panel 400 can realize the integral type equipment of circuit breaker, directly push into the GIS casing with the integral type vacuum circuit breaker that assembles after the installation through a plurality of bolts of the opposite side of mechanism mounting panel 400 with the GIS casing flange fixed can, need not to install spare part at the inside of the GIS casing, time cost and the cost of labor when can reducing the installation. The bolts can ensure that the whole integrated vacuum circuit breaker can be more firmly installed on the GIS shell and is not easy to fall.
It should be noted that, the structure of the other side of the mechanism mounting board 400 fixed to the GIS housing may be changed according to actual situations, so long as the assembled integrated vacuum circuit breaker can be directly pushed into the GIS housing, so that the other side of the mechanism mounting board 400 and the GIS housing can be fixed, which cannot be regarded as limiting the present invention.
In some embodiments of the invention, referring to fig. 4, the plurality of bolts are distributed in a circle shape, the center of the circle is the center of the mechanism mounting plate 400, and the intervals of two adjacent bolts are equal. The bolts are distributed in a circle shape by taking the center of the mechanism mounting plate 400 as the circle center, so that the whole integrated vacuum circuit breaker can be ensured to be mounted on the GIS shell more stably and is not easy to fall off.
The arrangement positions of the plurality of bolts may be changed, and the present invention is not limited to this.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (10)
1. An integrated vacuum circuit breaker, comprising:
an insulating cylinder (100), wherein a single-fracture vacuum arc-extinguishing chamber (110) is arranged, the single-fracture vacuum arc-extinguishing chamber (110) is provided with a static end part and a movable end part, the static end part is provided with a static end assembly, the static end assembly is used for fixing the single-fracture vacuum arc-extinguishing chamber (110) at one end of the insulating cylinder (100) and leading out current, and the movable end part is provided with a movable end assembly;
an insulating cylinder mounting plate (200), one side of which is connected to one end of the insulating cylinder (100) near the moving end assembly;
one end of the supporting component is connected with the other side of the insulating cylinder mounting plate (200);
one side of the mechanism mounting plate (400) is connected with the other end of the supporting component, and the other side of the mechanism mounting plate (400) is fixed with the GIS shell flange;
the transmission structure is positioned between the mechanism mounting plate (400) and the insulating cylinder mounting plate (200), one end of the transmission structure penetrates through the mechanism mounting plate (400) to be connected with the operating mechanism, the transmission structure is in sealing connection with the mechanism mounting plate (400), the other end of the transmission structure penetrates through the insulating cylinder mounting plate (200) to be connected with the movable end assembly, and the transmission structure is used for driving the operating mechanism to axially move so as to drive the movable end assembly to axially move, so that the movable conductive rod and the static conductive rod inside the single-fracture vacuum arc-extinguishing chamber (110) are pushed to be contacted to perform a closing action, or the movable conductive rod and the static conductive rod inside the single-fracture vacuum arc-extinguishing chamber (110) are pulled to be separated to perform a brake separating action.
2. The integrated vacuum circuit breaker of claim 1, wherein the transmission structure comprises:
the corrugated pipe (500) is positioned between the mechanism mounting plate (400) and the insulating cylinder mounting plate (200), one end of the corrugated pipe (500) penetrates through the mechanism mounting plate (400) to be connected with the operating mechanism, the other end of the corrugated pipe penetrates through the insulating cylinder mounting plate (200) to be connected with the movable end assembly, the corrugated pipe (500) is used for driving the operating mechanism to axially move so as to drive the movable end assembly to axially move, and then the movable conducting rod and the static conducting rod inside the single-fracture vacuum arc extinguishing chamber (110) are pushed to contact to perform a closing action, or the movable conducting rod and the static conducting rod inside the single-fracture vacuum arc extinguishing chamber (110) are pulled to be separated to perform a separating action;
and a seal ring arranged between the corrugated pipe (500) and the mechanism mounting plate (400).
3. The integrated vacuum circuit breaker of claim 1, wherein the moving end assembly comprises:
a moving end conductor (121) provided in the insulating cylinder (100);
a flexible connection body (122) having one end connected to the movable end conductor (121) and the other end connected to the movable conductive rod;
the insulation pull rod (123) is arranged in the insulation cylinder (100), one end of the insulation pull rod (123) penetrates through the flexible connecting body (122) to be connected with the movable conductive rod, and the other end of the insulation pull rod is connected with the other end of the transmission structure.
4. The integrated vacuum circuit breaker according to claim 3, wherein a mounting heat dissipation port (101) is formed on a side wall of the insulating cylinder (100), and the mounting heat dissipation port (101) is located above the insulating pull rod (123).
5. The integrated vacuum circuit breaker of claim 1, wherein the dead-end assembly comprises:
a static end mounting plate (131) which is arranged outside the insulating cylinder (100) and is connected with the static end part;
and the static end conductor (132) is arranged on the static end mounting plate (131) and is connected with the static conductive rod.
6. The integrated vacuum circuit breaker according to claim 1, wherein the support assembly comprises a plurality of support posts, each of which has one end connected to the insulating cylinder mounting plate (200) and the other end connected to the mechanism mounting plate (400).
7. The integrated vacuum circuit breaker of claim 6, wherein the plurality of support columns comprises a plurality of upper support columns (310) and a plurality of lower support columns (320), the plurality of upper support columns (310) are equally spaced between the insulating cylinder mounting plate (200) and the mechanism mounting plate (400) and are both located above the transmission structure, and the plurality of lower support columns (320) are equally spaced between the insulating cylinder mounting plate (200) and the mechanism mounting plate (400) and are both located below the transmission structure.
8. The integrated vacuum circuit breaker of claim 7, wherein the number of upper support columns (310) and lower support columns (320) is the same.
9. The integrated vacuum circuit breaker according to claim 1, characterized in that the other side of the mechanism mounting plate (400) is provided with a plurality of bolts, which are fixed with a GIS housing flange.
10. The integrated vacuum circuit breaker according to claim 9, wherein a plurality of the bolts are distributed in a circle shape, a center of a circle is a center of the mechanism mounting plate (400), and intervals between two adjacent bolts are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310858987.XA CN116913725A (en) | 2023-07-12 | 2023-07-12 | Integrated vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310858987.XA CN116913725A (en) | 2023-07-12 | 2023-07-12 | Integrated vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116913725A true CN116913725A (en) | 2023-10-20 |
Family
ID=88366163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310858987.XA Pending CN116913725A (en) | 2023-07-12 | 2023-07-12 | Integrated vacuum circuit breaker |
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| Country | Link |
|---|---|
| CN (1) | CN116913725A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2575835Y (en) * | 2002-10-08 | 2003-09-24 | 李彤 | Lampwick integrated forming machine |
| CN101075509A (en) * | 2007-06-26 | 2007-11-21 | 西安交通大学 | High-voltage vacuum circuit breaker with mono-fracture voltage to 252kV |
| JP2016081697A (en) * | 2014-10-16 | 2016-05-16 | 日新電機株式会社 | Vacuum circuit breaker |
| CN113517155A (en) * | 2021-05-21 | 2021-10-19 | 赵中利 | Vacuum isolation arc-extinguishing device |
| CN114373652A (en) * | 2022-01-20 | 2022-04-19 | 广东明阳电气股份有限公司 | Insulating cylinder device for vacuum circuit breaker |
-
2023
- 2023-07-12 CN CN202310858987.XA patent/CN116913725A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2575835Y (en) * | 2002-10-08 | 2003-09-24 | 李彤 | Lampwick integrated forming machine |
| CN101075509A (en) * | 2007-06-26 | 2007-11-21 | 西安交通大学 | High-voltage vacuum circuit breaker with mono-fracture voltage to 252kV |
| JP2016081697A (en) * | 2014-10-16 | 2016-05-16 | 日新電機株式会社 | Vacuum circuit breaker |
| CN113517155A (en) * | 2021-05-21 | 2021-10-19 | 赵中利 | Vacuum isolation arc-extinguishing device |
| CN114373652A (en) * | 2022-01-20 | 2022-04-19 | 广东明阳电气股份有限公司 | Insulating cylinder device for vacuum circuit breaker |
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