CN110137004A - A kind of electrical switchgear for power transmission network - Google Patents
A kind of electrical switchgear for power transmission network Download PDFInfo
- Publication number
- CN110137004A CN110137004A CN201910483378.4A CN201910483378A CN110137004A CN 110137004 A CN110137004 A CN 110137004A CN 201910483378 A CN201910483378 A CN 201910483378A CN 110137004 A CN110137004 A CN 110137004A
- Authority
- CN
- China
- Prior art keywords
- electrical isolation
- electrical
- gear room
- switch gear
- switch
- 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
- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 238000002955 isolation Methods 0.000 claims abstract description 118
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000009413 insulation Methods 0.000 claims abstract description 12
- 230000004308 accommodation Effects 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 5
- 238000010292 electrical insulation Methods 0.000 claims description 5
- 229910018503 SF6 Inorganic materials 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000012777 electrically insulating material Substances 0.000 claims description 3
- -1 fluoro nitrile Chemical class 0.000 claims description 3
- IYRWEQXVUNLMAY-UHFFFAOYSA-N fluoroketone group Chemical class FC(=O)F IYRWEQXVUNLMAY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 150000002978 peroxides Chemical class 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 3
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 description 10
- 230000005611 electricity Effects 0.000 description 9
- 238000010276 construction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/64—Protective enclosures, baffle plates, or screens for contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0044—Casings; Mountings; Disposition in transformer housing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of electrical switchgears for power transmission network, including the support frame that is electrically insulated, the support frame that is electrically insulated includes pedestal, electrical isolation support column is equipped with above pedestal, the support column that is electrically insulated includes multiple insulation divisions, electrical isolation support top end is connected with driving head, the two sides of driving head are connected with the first electrical isolation switch gear room and the second electrical isolation switch gear room respectively, first switch point is disposed in first electrical isolation switch gear room, second switch point is disposed in second electrical isolation switch gear room, shell is arranged with outside driving head, it is electrically insulated inside support column equipped with kinematic chain and drive rod, driving device will realize the switch of first switch point and second switch point by kinematic chain and driving.Electrical switchgear of the invention is able to produce the reliable electric switching device with compact size.
Description
Technical field
The present invention relates to a kind of electric switches, and in particular to a kind of electrical switchgear for power transmission network.
Background technique
Known electric switch equipment is intended for electron energy network, and especially when using a high voltage, electric switch is set
It is standby equipped with corresponding insulated part, to ensure to have enough insulation paths in an atmosphere.And with the electricity of electric switch equipment
The increase of load is pressed, the quantity of electric switch equipment also correspondingly increases, therefore causes equipment crowded, and the purpose of the present invention is mention
For the Curve guide impeller of electrical switchgear, so as to produce the reliable electric switching device with compact size.
Summary of the invention
The technical problem to be solved by the present invention is to the increase of the voltage loads with electric switch equipment, electric switch is set
Standby quantity also correspondingly increases, therefore causes equipment crowded, and it is an object of the present invention to provide a kind of electric switch for power transmission network
Device is able to produce the reliable electric switching device with compact size.
The present invention is achieved through the following technical solutions:
A kind of electrical switchgear for power transmission network of the present invention, including electrical isolation support frame, the electrical isolation support
Frame includes the pedestal constituted using conducting element, is equipped with electrical isolation support column above pedestal, electrical isolation support column include it is multiple from
The sequentially connected insulation division under, the top for the support column that is electrically insulated are connected with driving head, and the two sides of driving head are connected with level respectively
The the first electrical isolation switch gear room and the second electrical isolation switch gear room being arranged, the first electrical isolation switch gear room and the second electrical isolation switch gear room are equal
Using tubulose electrical isolation matrix, tubulose electrical isolation intrinsic silicon cavity forms accommodation space, the receiving of the first electrical isolation switch gear room
It is disposed with first switch point in space, is disposed with second switch point in the accommodation space of the second electrical isolation switch gear room, driving head
Outer cover, which is equipped with, to be connected in series using shell, first switch point and second switch point made of conductive material by shell, and electricity is absolutely
It is hollow structure inside edge support column, electrical isolation support column is internally provided with kinematic chain and drive rod, and driving device passes through movement
Chain and driving transmit motion to driving head, realize the switch of first switch point and second switch point.
Electrical switchgear of the invention, electrical isolation support frame have pedestal, which is usually made of conducting element, example
Such as, steel construction.Driving device is connected to pedestal, is used to convey kinetic energy as needed, to trigger cutting for electrical switchgear
Move work.Driving device has current potential identical with pedestal, for example is ground potential.Electrical isolation support column is set on pedestal, is had
There are multiple insulation divisions being connected to each other, each electrically insulative portion has ducted body, which is limited in end side by accessory, and electricity is absolutely
Edge split-phase connects, and electrical isolation support column is connect by the accessory of an end portion with pedestal.Driving head is fixed on by accessory
The free end of electrical isolation support column, driving head has the shell being made of an electrically conducting material, and is rigidly connected to by cooperation
Shell, and the support column that is electrically insulated extends in driving head, and the shell of driving head is connect for providing electrical contact element by the electricity
Element is touched, the first and second switching points are serially connected.Since driving device, put in the inside of hollow electrical isolation support column
Kinematic chain is set, the drive rod being axially movable is arranged in the inside of electrical isolation support column, and drive rod carries out in a manner of being electrically insulated
Movement to driving head is transmitted.The side away from driving head of switching point is connected on the accessory of the free end of electrical isolation switch gear room
The movement from driving device to two switching points can be executed by kinematic chain, realizes the first and second switching points relative to each other
The use of mobile relative motion, driving head allows driving device to operate the first and second switching points.Switching device of the present invention is logical
It crosses above structure and realizes compact structure, reduce the dimension volume of switching device, to answer the gradually increasing of switching devices quantity
It is long.
First electrical isolation switch gear room electrical isolation length thereof and second electrical isolation switch gear room electrical isolation length thereof with
The length ratio of the insulation part of electrical isolation support column is 0.3-0.45, thus reduce the free end of electrical isolation support construction
Quality forms support construction in compact form.
The electrical isolation length thereof of first electrical isolation switch gear room and the electrical isolation length thereof of the second electrical isolation switch gear room are equal
It, can be in high pressure range using electrical not less than 2500mm, the length at least 5000mm of the switch gear room Ji Liangge insulated part
In switching device, such as the power transmission network of 800KV or 1100KV.
The accommodation space cross-sectional diameter of first electrical isolation switch gear room and the second electrical isolation switch gear room is greater than electrical isolation matrix
The 10% of length, it is ensured that enough mechanical stabilities, reliable positioning and fixed switching point.
First electrical isolation switch gear room's parallel beneath is equipped with first resistor device, in parallel between first resistor device and first switch point
Electrical connection, second electrical isolation switch gear room's parallel beneath is equipped with second resistor, in parallel between second resistor and second switch point
Electrical connection, it can be ensured that the function of electrical switchgear, the function especially in disconnection process.
Dielectric housings are arranged with outside first resistor device and second resistor, protective resistance element is from external wind
Change.In addition, Switched resistors can be designed as can be switched, separate parallel circuit with switching point.
First electrical isolation switch gear room, the second inside for being electrically insulated switch gear room, driving head and the support column that is electrically insulated are filled
There are electrical insulation fluids, the electrical insulation fluids are using sulfur hexafluoride, fluoro ketones, fluoro nitrile, peroxide, nitrogen, oxygen and other electricity
One of negativity substance is a variety of, i.e., switch gear room is designed as pressure vessel.
Matrix be electrically insulated using ceramics, plastics, resin or other electrically insulating materials.
Compared with prior art, the present invention having the following advantages and benefits:
1, the electrical isolation matrix of a kind of electrical switchgear for power transmission network of the present invention, the first electrical isolation switch gear room is long
Degree and second be electrically insulated switch gear room electrical isolation length thereof with the length ratio of the insulation part for the support column that is electrically insulated be 0.3-
0.45, to reduce the quality of the free end of electrical isolation support construction, support construction is formed in compact form；
2, a kind of electrical switchgear for power transmission network of the present invention, the first electrical isolation switch gear room and the second electrical isolation are opened
The accommodation space cross-sectional diameter for closing room is greater than the 10% of electrical isolation length thereof, it is ensured that enough mechanical stabilities, reliably
Positioning and fixed switching point；
3, a kind of electrical switchgear for power transmission network of the present invention, first electrical isolation switch gear room's parallel beneath are equipped with the
One resistor, in parallel between first resistor device and first switch point be electrically connected, second electrical isolation switch gear room's parallel beneath is equipped with the
Two resistors, it is in parallel between second resistor and second switch point to be electrically connected, it can be ensured that the function of electrical switchgear, especially
It is the function in disconnection process.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention.
Label and corresponding parts title in attached drawing:
1- pedestal, 2- electrical isolation support column, 3- insulation division, 4- driving head, the electrical isolation of 5- first switch gear room, the second electricity of 6- is absolutely
Edge switch gear room, 7- first switch point, 8- second switch point, 9- first resistor device, 10- second resistor, 11- dielectric housings,
12- driving device.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment 1
As shown in Figure 1, a kind of electrical switchgear for power transmission network of the present invention, including electrical isolation support frame, it is described
Electrical isolation support frame includes the pedestal 1 constituted using conducting element, and electrical isolation support column 2, electrical isolation support are equipped with above pedestal 1
Column 2 includes multiple insulation divisions 3 sequentially connected from top to bottom, and the top of electrical isolation support column 2 is connected with driving head 4, driving head 4
Two sides are connected with horizontally disposed first electrical isolation switch gear room 5 and the second electrical isolation switch gear room 6, the first electrical isolation switch gear room 5 respectively
It is all made of tubulose electrical isolation matrix with the second electrical isolation switch gear room 6, tubulose electrical isolation intrinsic silicon cavity forms accommodation space, the
First switch point 7, cloth in the accommodation space of the second electrical isolation switch gear room 6 are disposed in the accommodation space of one electrical isolation switch gear room 5
It is equipped with second switch point 8, the outer cover of driving head 4 is equipped with using shell made of conductive material, and first switch point 7 and second is opened
It closes point 8 to be connected in series by shell, is hollow structure inside the support column 2 that is electrically insulated, electrical isolation support column is internally provided with movement
Chain and drive rod, driving device 12 transmit motion to driving head by kinematic chain and driving, realize first switch point 7 and second
The switch of switching point 8.
Electrical switchgear of the invention, electrical isolation support frame have pedestal, which is usually made of conducting element, example
Such as, steel construction.Driving device is connected to pedestal, is used to convey kinetic energy as needed, to trigger cutting for electrical switchgear
Move work.Driving device has current potential identical with pedestal, for example is ground potential.Electrical isolation support column is set on pedestal, is had
There are multiple insulation divisions being connected to each other, each electrically insulative portion has ducted body, which is limited in end side by accessory, and electricity is absolutely
Edge split-phase connects, and electrical isolation support column is connect by the accessory of an end portion with pedestal.Driving head is fixed on by accessory
The free end of electrical isolation support column, driving head has the shell being made of an electrically conducting material, and is rigidly connected to by cooperation
Shell, and the support column that is electrically insulated extends in driving head, and the shell of driving head is connect for providing electrical contact element by the electricity
Element is touched, the first and second switching points are serially connected.Since driving device, put in the inside of hollow electrical isolation support column
Kinematic chain is set, the drive rod being axially movable is arranged in the inside of electrical isolation support column, and drive rod carries out in a manner of being electrically insulated
Movement to driving head is transmitted.The side away from driving head of switching point is connected on the accessory of the free end of electrical isolation switch gear room
The movement from driving device to two switching points can be executed by kinematic chain, realizes the first and second switching points relative to each other
The use of mobile relative motion, driving head allows driving device to operate the first and second switching points.
Preferably, the electrical isolation matrix of the electrical isolation length thereof of the first electrical isolation switch gear room and the second electrical isolation switch gear room
Length is 0.3-0.45 with the length ratio of the insulation part for the support column that is electrically insulated, to reduce the freedom of electrical isolation support construction
Quality at end forms support construction in compact form.
Preferably, the electrical isolation matrix of the electrical isolation length thereof of the first electrical isolation switch gear room and the second electrical isolation switch gear room
Length is not less than 2500mm, and the length at least 5000mm of the switch gear room Ji Liangge insulated part can make in high pressure range
With in electrical switchgear, such as the power transmission network of 800KV or 1100KV.
Preferably, the accommodation space cross-sectional diameter of the first electrical isolation switch gear room and the second electrical isolation switch gear room is greater than electricity absolutely
The 10% of edge length thereof, it is ensured that enough mechanical stabilities, reliable positioning and fixed switching point.
Preferably, first electrical isolation switch gear room's parallel beneath is equipped with first resistor device 9, first resistor device and first switch point
Between electrical connection in parallel, second electrical isolation switch gear room's parallel beneath is equipped with second resistor 10, second resistor and second switch
Electrical connection in parallel between point, it can be ensured that the function of electrical switchgear, the function especially in disconnection process.
Preferably, dielectric housings 11 are arranged with outside first resistor device and second resistor, protective resistance element is exempted from
By external weathering.In addition, Switched resistors can be designed as can be switched, separate parallel circuit with switching point.
Preferably, first electrical isolation switch gear room, second electrical isolation switch gear room, driving head and be electrically insulated support column inside
Be filled with electrical insulation fluids, the electrical insulation fluids using sulfur hexafluoride, fluoro ketones, fluoro nitrile, peroxide, nitrogen, oxygen and
One of other electronegativity substances are a variety of, i.e., switch gear room are designed as pressure vessel.
Preferably, electrical isolation matrix is using ceramics, plastics, resin or other electrically insulating materials.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (8)
1. a kind of electrical switchgear for power transmission network, which is characterized in that including the support frame that is electrically insulated, the electrical isolation branch
Support includes the pedestal (1) constituted using conducting element, is equipped with electrical isolation support column (2) above pedestal (1), and be electrically insulated support column
It (2) include multiple insulation divisions (3) sequentially connected from top to bottom, the top of electrical isolation support column (2) is connected with driving head (4), is passed
The two sides of dynamic head (4) are connected with horizontally disposed first electrical isolation switch gear room (5) and second respectively and are electrically insulated switch gear room (6), and first
Electrical isolation switch gear room (5) and the second electrical isolation switch gear room (6) are all made of tubulose electrical isolation matrix, and tubulose electrical isolation intrinsic silicon is empty
Chamber forms accommodation space, and first switch point (7), the second electrical isolation are disposed in the accommodation space of the first electrical isolation switch gear room (5)
Second switch point (8) is disposed in the accommodation space of switch gear room (6), the outer cover of driving head (4) is equipped with the conductive material system of using
At shell, it is sky inside electrical isolation support column (2) that first switch point (7) and second switch point (8) are connected in series by shell
Core structure, electrical isolation support column are internally provided with kinematic chain and drive rod, and driving device (12) will fortune by kinematic chain and driving
It is dynamic to be transmitted to driving head, realize the switch of first switch point (7) and second switch point (8).
2. a kind of electrical switchgear for power transmission network according to claim 1, which is characterized in that the first electrical isolation
Electrical isolation length thereof and the support column that is electrically insulated of the electrical isolation length thereof of switch gear room (5) and the second electrical isolation switch gear room (6)
(2) the length ratio of insulation part is 0.3-0.45.
3. a kind of electrical switchgear for power transmission network according to claim 1, which is characterized in that the first electrical isolation
The electrical isolation length thereof of the electrical isolation length thereof of switch gear room (5) and the second electrical isolation switch gear room (6) is not less than 2500mm.
4. a kind of electrical switchgear for power transmission network according to claim 1, which is characterized in that the first electrical isolation
The accommodation space cross-sectional diameter of switch gear room (5) and the second electrical isolation switch gear room (6) is greater than the 10% of electrical isolation length thereof.
5. a kind of electrical switchgear for power transmission network according to claim 2, which is characterized in that the first electrical isolation
Switch gear room's (5) parallel beneath is equipped with first resistor device (9), in parallel between first resistor device (9) and first switch point (7) to be electrically connected
It connects, second electrical isolation switch gear room's (6) parallel beneath is equipped with second resistor (10), second resistor (10) and second switch point
(8) electrical connection in parallel between.
6. a kind of electrical switchgear for power transmission network according to claim 5, which is characterized in that first resistor device
(9) and outside second resistor (10) dielectric housings (11) are arranged with.
7. a kind of electrical switchgear for power transmission network according to claim 1, which is characterized in that the first electrical isolation
Switch gear room (5), the second electrical isolation switch gear room (6), driving head (4) and be electrically insulated support column (2) inside be filled with it is electric absolutely
Edge fluid, the electrical insulation fluids use sulfur hexafluoride, fluoro ketones, fluoro nitrile, peroxide, nitrogen, oxygen and other electronegativity objects
One of matter is a variety of.
8. a kind of electrical switchgear for power transmission network according to claim 1, which is characterized in that electrical isolation matrix
Using ceramics, plastics, resin or other electrically insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910483378.4A CN110137004A (en) | 2019-06-04 | 2019-06-04 | A kind of electrical switchgear for power transmission network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910483378.4A CN110137004A (en) | 2019-06-04 | 2019-06-04 | A kind of electrical switchgear for power transmission network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110137004A true CN110137004A (en) | 2019-08-16 |
Family
ID=67580136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910483378.4A Pending CN110137004A (en) | 2019-06-04 | 2019-06-04 | A kind of electrical switchgear for power transmission network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110137004A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661874A (en) * | 2004-02-27 | 2005-08-31 | Abb技术有限公司 | Compact earthing switch for gas-insulated switchgear assemblies |
| CN102779666A (en) * | 2011-05-10 | 2012-11-14 | Abb技术有限公司 | Switching device and related switchgear |
| WO2018153593A1 (en) * | 2017-02-21 | 2018-08-30 | Siemens Aktiengesellschaft | Electric switching device |
-
2019
- 2019-06-04 CN CN201910483378.4A patent/CN110137004A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661874A (en) * | 2004-02-27 | 2005-08-31 | Abb技术有限公司 | Compact earthing switch for gas-insulated switchgear assemblies |
| CN102779666A (en) * | 2011-05-10 | 2012-11-14 | Abb技术有限公司 | Switching device and related switchgear |
| WO2018153593A1 (en) * | 2017-02-21 | 2018-08-30 | Siemens Aktiengesellschaft | Electric switching device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190816 |
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| RJ01 | Rejection of invention patent application after publication |