CN109727808A - Environment-friendly type breaker gas tank - Google Patents
Environment-friendly type breaker gas tank Download PDFInfo
- Publication number
- CN109727808A CN109727808A CN201811533663.4A CN201811533663A CN109727808A CN 109727808 A CN109727808 A CN 109727808A CN 201811533663 A CN201811533663 A CN 201811533663A CN 109727808 A CN109727808 A CN 109727808A
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- China
- Prior art keywords
- cavity
- environment
- friendly type
- gas tank
- vacuum interrupter
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- Gas-Insulated Switchgears (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a kind of environment-friendly type breaker gas tanks, it includes cabinet, environment-friendly type circuit breaker polar is equipped in cabinet, pole includes cavity, inside cavity is equipped with pole static contact, cavity is divided into first by pole static contact, two cavitys, bellows and insulated pull rod are equipped in first cavity, vacuum interrupter is equipped in second cavity, one end of bellows is arranged on cavity, the other end and insulated pull rod are connected, the other end of insulated pull rod and the moved end of vacuum interrupter are connected, sliding block is installed between insulated pull rod and vacuum interrupter, the peripheral disposition of sliding block has spring touch finger, spring touch finger fixation is located on pole static contact, the static side of vacuum interrupter is equipped with static side contact, pole static contact is connect with simultaneously cabinet inner cone, static side contact is connect with busbar, busbar is connect with outlet casing tube.Its purpose is to provide a kind of environment-friendly type breaker gas tank, dry air is used to insulate, avoids causing environmental pollution using SF6 gas.
Description
Technical field
The present invention relates to a kind of electrical equipments, more particularly to a kind of environment-friendly type open circuit for 40.5kV environmental protection gas-filling cabinet
Device gas tank.
Background technique
Existing 40.5kV environmental-protective gas-insulating switchgear includes gas tank, is carried out absolutely in gas tank by being filled with SF6 gas
Edge when due to gas tank internal switch short circuit, sets off an explosion because of the rising of SF6 gas pressure and causes the accident, and SF6 gas can produce
Solution estranged simultaneously leaks, and causes the discharge of pernicious gas, pollutes environment.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of environment-friendly type breaker gas tanks, and dry air is used to insulate,
It avoids causing environmental pollution using SF6 gas.
Environment-friendly type breaker gas tank of the present invention, including cabinet, the cabinet is interior to be equipped with environment-friendly type circuit breaker polar, the ring
Guarantor's type circuit breaker polar includes in barrel-shaped cavity, and the opening of the cavity is equipped with mounting plate, and the inside cavity is equipped with pole
Column static contact, the pole static contact extend to outside cavity, and cavity is divided into the first cavity and second by the pole static contact
Cavity, first cavity arrange close to cavity hatch, is equipped with bellows and insulated pull rod in first cavity, described second
Be equipped with vacuum interrupter in cavity, one end setting of the bellows on a mounting board, the other end of the bellows with it is described
One end of insulated pull rod is fixedly connected, and the other end of the insulated pull rod passes through the dynamic of pole static contact and the vacuum interrupter
End is fixedly connected, and sliding block is fixedly installed between the insulated pull rod and vacuum interrupter, and the sliding block is slidably arranged in pole
On static contact, the peripheral disposition of the sliding block has spring touch finger, and the spring touch finger fixation is located on the pole static contact, institute
The static side for stating vacuum interrupter is equipped with static side contact, and the static side contact is extended to outside cavity, opened up on first cavity
There is mounting hole, the pole static contact is connect with simultaneously cabinet inner cone, and the static side contact is connect with busbar, the busbar and lead collar
Pipe connection.
Environment-friendly type breaker gas tank of the present invention, wherein the cabinet is equipped with and cabinet guide pad, peep hole and pressure release passage.
Environment-friendly type breaker gas tank of the present invention, wherein the bellows and insulated pull rod connect by the way that first connecting rod is fixed
It connects, the threaded one end of the first connecting rod is connected in the insulated pull rod, is set on the outside of the other end of the first connecting rod
Have a screw thread, the other end of the first connecting rod is interspersed on bellows and is fastened by nut, the position of the mounting hole with
The position of the first connecting rod is corresponding.
Environment-friendly type breaker gas tank of the present invention, wherein connecting between the insulated pull rod and the vacuum interrupter by second
Extension bar connection, one end of second connecting rod are fixed in the insulated pull rod, the other end screw thread of second connecting rod
It is connected on the moved end of vacuum interrupter.
Environment-friendly type breaker gas tank of the present invention, wherein the moved end of the vacuum interrupter is tapered, the sliding block is equipped with
Taper aperture, the sliding block are sleeved on the moved end of vacuum interrupter by taper aperture, and second connecting rod passes through sliding block
It is threadedly coupled with the moved end of vacuum interrupter, the sliding block is fixed on the moved end of vacuum interrupter by the second connecting rod.
Environment-friendly type breaker gas tank of the present invention, wherein the spring touch finger is set as three, three spring touch fingers are sequentially arranged
In the periphery of the sliding block.
Environment-friendly type breaker gas tank of the present invention, wherein being respectively equipped with high-tension shielding in the cavity wall at second cavity both ends
Net.
Environment-friendly type breaker gas tank of the present invention, wherein the periphery of the static side contact is provided with static side cavity in a ring.
Environment-friendly type breaker gas tank of the present invention, wherein the mounting plate is flanged plate.
Environment-friendly type breaker gas tank difference from prior art of the present invention is to be equipped with environment-friendly type breaker in the present invention
Cavity is divided into the first cavity and the second cavity by pole static contact by pole, and the first cavity is for installing bellows and absolutely
Edge pull rod, the second cavity is for installing vacuum interrupter, moved end of the insulated pull rod after pole static contact with vacuum interrupter
Connection, is fixedly installed sliding block, sliding block is slidably arranged in pole static contact, in sliding block between insulated pull rod and vacuum interrupter
Peripheral disposition have a spring touch finger, spring touch finger fixation is located on pole static contact.It is above-mentioned due to environment-friendly type circuit breaker polar
Structure can be insulated using dry air using the present invention of environment-friendly type circuit breaker polar, avoid causing ring using SF6 gas
Border pollution.
The present invention will be further explained below with reference to the attached drawings.
Detailed description of the invention
Fig. 1 is the front sectional view of environment-friendly type breaker gas tank of the present invention；
Fig. 2 is the top view of environment-friendly type breaker gas tank of the present invention；
Fig. 3 is the bottom view of environment-friendly type breaker gas tank of the present invention；
Fig. 4 is the left view of environment-friendly type breaker gas tank of the present invention；
Fig. 5 is the front sectional view of environment-friendly type circuit breaker polar of the invention；
Fig. 6 is the top view of environment-friendly type circuit breaker polar of the invention；
Fig. 7 is the left view of environment-friendly type circuit breaker polar of the invention.
Specific embodiment
As shown in Figure 1, and combine shown in Fig. 2-7, environment-friendly type breaker gas tank of the present invention, including cabinet, in the cabinet
Equipped with environment-friendly type circuit breaker polar 18, the environment-friendly type circuit breaker polar 18 include in barrel-shaped cavity 12, the cavity 12
Opening is equipped with mounting plate 1, is equipped with pole static contact 5 inside the cavity 12, the pole static contact 5 extends to cavity 12
Outside, cavity 12 is divided into the first cavity 13 and the second cavity 14 by the pole static contact 5, and first cavity 13 is close to cavity
12 opening arrangements, first cavity 13 is interior to be equipped with bellows 2 and insulated pull rod 4, goes out in second cavity 14 equipped with vacuum
One end of arc chamber 9, the bellows 2 is arranged on mounting plate 1, and the one of the other end of the bellows 2 and the insulated pull rod 4
End is fixedly connected, and the other end of the insulated pull rod 4 passes through the fixed company in moved end of pole static contact 5 and the vacuum interrupter 9
It connects, sliding block 7 is fixedly installed between the insulated pull rod 4 and vacuum interrupter 9, the sliding block 7 is slidably arranged in pole stationary contact
On first 5, the peripheral disposition of the sliding block 7 has spring touch finger 6, and the fixation of spring touch finger 6 is located on the pole static contact 5,
The static side of the vacuum interrupter 9 is equipped with static side contact 11, and the static side contact 11 extends to outside cavity 12, first chamber
Mounting hole 3 is offered on body 13.The pole static contact is connect with simultaneously cabinet inner cone 17, and the static side contact is connect with busbar 19,
The busbar 19 is connect with outlet casing tube 23.Outlet casing tube 23 is used to connecting cable, while can connect arrester with T, so that installation
Convenient, cost is relatively low.
Environment-friendly type circuit breaker polar 18 is the core component of environment-friendly type breaker gas tank, can close and cut-off under normal circumstances
Various load circuits, and occur short trouble circuit.And cabinet inner cone 17 for upper and lower gas tank and cabinet, and cabinet inner cone 17
To guarantee electric insulating quality and current-carrying when design.Busbar 19 is used to connect environment-friendly type circuit breaker polar 18 and outlet casing tube 23,
It is surrounded by silicon rubber on the outside of busbar 19, guarantees the integral insulation of busbar 19.Insulator cap 20 is used to fix busbar 19 and environment-friendly type open circuit
Device pole 18 guarantees their current-carrying capability, while 20 shape of insulator cap is larger, has shielding action to 19 end of busbar.
Environment-friendly type breaker gas tank of the present invention, wherein the cabinet is equipped with and cabinet guide pad 16, peep hole 21 and pressure release
Channel 22.And cabinet guide pad 16 plays the role of guiding and fixation in upper and lower gas tank and cabinet.Peep hole 21 is used to install gas tank
The bottom of gas tank is arranged in internal component, pressure release passage 22 so that break down pressure release when far from operator, improve whole cabinet
Safety.
Bellows 2 is for sealing breaker inner cavity, while bellows 2 realizes the switching on and off function of vacuum interrupter 9.Absolutely
4 configuration design of edge pull rod has carried out Field Optimum Design, realizes the insulating requirements for meeting switchgear, while insulated pull rod 4 designs
Also electrical distance and creepage distance traditional design are breached.Sliding block 7 slidably reciprocates under the enclasping force of spring touch finger 6, to realize
9 switching on and off function of vacuum interrupter.Vacuum interrupter 9 has closure, carries and cut-off the electric current under normal loop condition, together
When be able to satisfy and close, carry before the deadline and cut-off abnormal loop condition.Static side contact 11 is quiet with vacuum interrupter 9
End is directly connected to, and it is semi-circular structure that static side contact 11, which leaks out side, real after connecting with the semicircle mechanism of connector (not shown)
Electric fields uniform design is realized in the design of existing whole stick.
As shown in figure 5, bellows 2 is fixedly connected with insulated pull rod 4 by first connecting rod, the one of the first connecting rod
End is threaded in the insulated pull rod 4, and screw thread, the first connecting rod are equipped on the outside of the other end of the first connecting rod
The other end be interspersed on bellows 2 and fastened by nut, the position of the position of the mounting hole 3 and the first connecting rod
It is corresponding.
Mounting hole 3 is used for the fixation of bellows 2 and insulated pull rod 4, tool can be extend into first by mounting hole 3
The nut between first connecting rod and bellows 2 is tightened or unscrewed in cavity 13, completes installation, in addition to this, mounting hole 3 can
Import as the dry air in the first cavity 13 simultaneously.
It is connected between insulated pull rod 4 and the vacuum interrupter 9 by the second connecting rod, one end of second connecting rod
It is fixed in the insulated pull rod 4, the other end of second connecting rod is threaded on the moved end of vacuum interrupter 9.
The moved end of vacuum interrupter 9 is tapered, and the sliding block 7 is equipped with taper aperture, and the sliding block 7 passes through taper aperture
It being sleeved on the moved end of vacuum interrupter 9, second connecting rod passes through sliding block 7 and is threadedly coupled with the moved end of vacuum interrupter 9,
The sliding block 7 is fixed on the moved end of vacuum interrupter 9 by the second connecting rod.
Spring touch finger 6 is set as three, and three spring touch fingers 6 are sequentially arranged in the periphery of the sliding block 7, meets well
The current-carrying capability of switchgear.
High-tension shielding net 8 is respectively equipped in the cavity wall at 14 both ends of the second cavity.High pressure screen positioned at 9 moved end of vacuum interrupter
It covers net 8 to be mainly used for shielding 9 high voltage end conductive component of vacuum interrupter, realizes the electric fields uniform of 9 moved end of vacuum interrupter, and
High-pressure section is introduced into insulating materials, realizes the raising of insulativity；Positioned at the high-tension shielding net 8 of 9 static side of vacuum interrupter
It is mainly used for shielding 9 high voltage end conductive component of vacuum interrupter, realizes the electric fields uniform of 9 static side of vacuum interrupter, and will be high
Laminate section is introduced into insulating materials, realizes the raising of insulativity.
The periphery of static side contact 11 is provided with static side cavity 10 in a ring.
Mounting plate 1 is flanged plate.It is provided with seal groove on flanged plate to be used to seal gas tank, while flanged plate plays connection gas tank
With the effect of circuit breaker polar.
Environment-friendly type circuit breaker polar 18 in the present invention is divided cavity 12 for the first cavity 13 and the by pole static contact 5
Two cavitys 14, the first cavity 13 are used to install vacuum interrupter 9 for installing bellows 2 and insulated pull rod 4, the second cavity 14,
Insulated pull rod 4 is connect after passing through pole static contact 5 with the moved end of vacuum interrupter 9, between insulated pull rod 4 and vacuum interrupter 9
It is fixedly installed sliding block 7, sliding block 7 is slidably arranged in pole static contact 5, has spring touch finger 6, bullet in the peripheral disposition of sliding block 7
The fixation of spring fingertip 6 is located on pole static contact 5.It is disconnected using the environment-friendly type due to the above structure of environment-friendly type circuit breaker polar 18
The present invention of road device pole 18 is insulated using dry air, without SF6 gas and gas tank components.
The present invention is insulated using dry air, and the blowing pressure is the micro-positive pressure dielectric alternate and opposite as equipment,
Using pole type vacuum breaker, therefore product structure is more compact, and occupied area is small, realizes whole cabinet-type air conditioner structure miniaturization
Design.
By vacuum interrupter 9 and its be conductively connected main conductive circuit it is single or combination after with solid dielectric insulation coat encapsulate
There is certain function to be one or several, and what can be combined and extend again has all insulation modularized design.The present invention uses
Horizontal mode arrangement, circuit breaker operation mechanism realize breaker mechanism and pole on the outside of gas tank, through airtight bellows 2
Between air-tight connection.
SF6 gas and corresponding gas tank components have been fully phased out from theory structure, have thoroughly been solved due to gas tank
Accident caused by setting off an explosion when internal switch short circuit because of pressure rising, it is entirely avoided SF6 gas decomposes, leaks and make
At pernicious gas discharge, really become society required for environmentally friendly switchgear.
During the work time, be through powered, hot, mechanical force effect, and want durable.It is able to satisfy reliably
In longtime running, the temperature of each section is increased, no more than the permission temperature value of damage electric property, have enough electric lifes and
Mechanical life.Guarantee insulation be not damaged by heat ageing, be able to bear system maximum working voltage, internal overvoltage with
And the effect of external lightning overvoltage.
The advantages of environment-friendly type circuit breaker polar 18 in the present invention, is as follows:
1, the first cavity of environment-friendly type circuit breaker polar 18 is full apart from very little by Field Optimum Design
The foot insulating requirements of 40.5kV electrical equipment.
2, reasonable gradient is designed in 18 moved end outgoing line position of environment-friendly type circuit breaker polar makes it meet to insulate after mounting and want
It asks.
3, the design of 18 mounting hole 3 of environment-friendly type circuit breaker polar realizes the easy for installation of bellows 2 and insulated pull rod 4,
Also achieve 18 modularized design of environment-friendly type circuit breaker polar.
4,18 static side of environment-friendly type circuit breaker polar is designed with static side cavity 10, by end face Insulation Problems disengaging to static side sky
In chamber 10, when installation, installs silicon rubber additional, solves the problems, such as the interfacial insulator of abutting joint.
5, the design of 9 both ends gauze screen of vacuum interrupter, high pressure is introduced into dielectric, that is, realizes electric fields uniform
Designing axiom also solves the problems, such as to design strict control field intensity value to creepage distance.
The present invention dielectric alternate and opposite as equipment using dry air, vacuum interrupter use insulating materials
Sealing, between gas tank connection using and cabinet bus mode, outlet use normal sleeve mode, it is smaller to realize product overall structure
Type.
Three-phase vacuum interrupter in the present invention is horizontally disposed using left, center, right three-phase, outlet casing tube 23 also using it is left,
In, right three-phase it is horizontally disposed, be conducive to easy for installation.Analyzed by electric Field Optimization, realize phase spacing 195mm meet it is alternate absolutely
The requirement of edge.
All primary conductive parts inside the present invention all use pole design, realize field distribution and uniformly set
Meter.Using semicircle overlapped mode at docking, it is pole that realization is whole after being installed.Isolation material joint face passes through change
End face structure realizes the grafting at docking.
Scheme present invention eliminates SF6 gas as medium, when thoroughly solving due to SF6 gas tank internal switch short circuit
Because pressure rises set off an explosion caused by accident, it is entirely avoided SF6 gas decomposes, leakage and caused by pernicious gas
Discharge really becomes environmentally friendly switchgear required for society.
Installation panel 15 on gas tank of the present invention is used for the installation for environment-friendly type circuit breaker polar 18, by environment-friendly type open circuit
It after device pole 18 is installed outside gas tank, directly hangs in gas tank, makes 18 modularization of environment-friendly type circuit breaker polar.
Advantages of the present invention is as follows:
1, it by electric Field Optimization, realizes when dry air is dielectric, the overall dimensions of gas tank are smaller.
2, it is designed using the outlet of casing, greatly reduces the cost of product, while being convenient for the installation of cable.
3, environment-friendly type circuit breaker polar 18 is fixed by the installation panel 15 of mounting plate and gas tank, avoids gas tank deformation shadow
Ring vacuum interrupter mechanical property.
4, using and cabinet inner cone 17 carry out gas tank and cabinet, reduce the leak rate of gas tank, while assembling more convenient.
5, the present invention is sealed using gas tank, realizes hermetically sealed, and environmental suitability is strong；Meanwhile it filling micro-positive pressure and both can guarantee
The sealing propertytest of gas tank will not set off an explosion again because pressure rises.
Embodiment described above only describe the preferred embodiments of the invention, not to model of the invention
It encloses and is defined, without departing from the spirit of the design of the present invention, those of ordinary skill in the art are to technical side of the invention
The various changes and improvements that case is made should all be fallen into the protection scope that claims of the present invention determines.
Claims (9)
1. a kind of environment-friendly type breaker gas tank, it is characterised in that: including cabinet, environment-friendly type circuit breakers pole is equipped in the cabinet
Column, the environment-friendly type circuit breaker polar include in barrel-shaped cavity, and the opening of the cavity is equipped with mounting plate, in the cavity
Portion is equipped with pole static contact, and the pole static contact extends to outside cavity, and cavity is divided into the first chamber by the pole static contact
Body and the second cavity, first cavity are arranged close to cavity hatch, and bellows and insulated pull rod are equipped in first cavity,
Be equipped with vacuum interrupter in second cavity, one end setting of the bellows on a mounting board, the bellows it is another
End is fixedly connected with one end of the insulated pull rod, and the other end of the insulated pull rod passes through pole static contact and goes out with the vacuum
The moved end of arc chamber is fixedly connected, and sliding block is fixedly installed between the insulated pull rod and vacuum interrupter, and the sliding block sliding is set
It sets on pole static contact, the peripheral disposition of the sliding block has spring touch finger, and it is quiet that the spring touch finger fixation is located at the pole
On contact, the static side of the vacuum interrupter is equipped with static side contact, and the static side contact extends to outside cavity, first chamber
Mounting hole is offered on body, the pole static contact is connect with simultaneously cabinet inner cone, and the static side contact is connect with busbar, the busbar
It is connect with outlet casing tube.
2. environment-friendly type breaker gas tank according to claim 1, it is characterised in that: the cabinet is equipped with and cabinet guiding
Block, peep hole and pressure release passage.
3. environment-friendly type breaker gas tank according to claim 2, it is characterised in that: the bellows passes through with insulated pull rod
First connecting rod is fixedly connected, and the threaded one end of the first connecting rod is connected in the insulated pull rod, first connection
Screw thread is equipped on the outside of the other end of bar, the other end of the first connecting rod is interspersed on bellows and fastens by nut, institute
The position for stating mounting hole is corresponding with the position of the first connecting rod.
4. environment-friendly type breaker gas tank according to claim 3, it is characterised in that: the insulated pull rod is gone out with the vacuum
It being connected between arc chamber by the second connecting rod, one end of second connecting rod is fixed in the insulated pull rod, and described second
The other end of connecting rod is threaded on the moved end of vacuum interrupter.
5. environment-friendly type breaker gas tank according to claim 4, it is characterised in that: the moved end of the vacuum interrupter is in cone
Shape, the sliding block are equipped with taper aperture, and the sliding block is sleeved on the moved end of vacuum interrupter by taper aperture, and described the
Two connecting rods pass through sliding block and are threadedly coupled with the moved end of vacuum interrupter, and the sliding block is fixed on vacuum by the second connecting rod and goes out
On the moved end of arc chamber.
6. environment-friendly type breaker gas tank according to claim 5, it is characterised in that: the spring touch finger is set as three, and three
A spring touch finger is sequentially arranged in the periphery of the sliding block.
7. environment-friendly type breaker gas tank according to claim 6, it is characterised in that: in the cavity wall at second cavity both ends
It is respectively equipped with high-tension shielding net.
8. environment-friendly type breaker gas tank according to claim 7, it is characterised in that: the periphery of the static side contact is provided with
Static side cavity in a ring.
9. environment-friendly type breaker gas tank according to claim 8, it is characterised in that: the mounting plate is flanged plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811533663.4A CN109727808A (en) | 2018-12-14 | 2018-12-14 | Environment-friendly type breaker gas tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811533663.4A CN109727808A (en) | 2018-12-14 | 2018-12-14 | Environment-friendly type breaker gas tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109727808A true CN109727808A (en) | 2019-05-07 |
Family
ID=66297124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811533663.4A Pending CN109727808A (en) | 2018-12-14 | 2018-12-14 | Environment-friendly type breaker gas tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109727808A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111653944A (en) * | 2020-06-12 | 2020-09-11 | 上海电气集团股份有限公司 | Low-voltage inflating cabinet |
| CN112614750A (en) * | 2020-12-07 | 2021-04-06 | 国网上海市电力公司 | Pole-mounted circuit breaker |
| CN116706755A (en) * | 2023-07-28 | 2023-09-05 | 四川宝光电器设备有限公司 | Environment-friendly gas-insulated inflatable cabinet |
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|---|---|---|---|---|
| CN111653944A (en) * | 2020-06-12 | 2020-09-11 | 上海电气集团股份有限公司 | Low-voltage inflating cabinet |
| CN112614750A (en) * | 2020-12-07 | 2021-04-06 | 国网上海市电力公司 | Pole-mounted circuit breaker |
| CN116706755A (en) * | 2023-07-28 | 2023-09-05 | 四川宝光电器设备有限公司 | Environment-friendly gas-insulated inflatable cabinet |
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Application publication date: 20190507 |
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| RJ01 | Rejection of invention patent application after publication |