CN107170642A - A kind of arc-control device for voltage protection - Google Patents
A kind of arc-control device for voltage protection Download PDFInfo
- Publication number
- CN107170642A CN107170642A CN201710538900.5A CN201710538900A CN107170642A CN 107170642 A CN107170642 A CN 107170642A CN 201710538900 A CN201710538900 A CN 201710538900A CN 107170642 A CN107170642 A CN 107170642A
- Authority
- CN
- China
- Prior art keywords
- arc
- chutes
- shell body
- sulfur hexafluoride
- lid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
Landscapes
- Circuit Breakers (AREA)
Abstract
The invention discloses a kind of arc-control device for voltage protection; including shell body and insulation torrefaction layer; lid is provided with above the shell body; fixing bolt is provided with above the left end of the upper lid; hoisting board is provided with the right side of the fixing bolt; fixed transverse rod is provided with above the hoisting board, the lower right-hand side of the fixed transverse rod is provided with explosion-protection equipment；Insulated enclosure lid and insulation torrefaction layer are provided with original sulfur hexafluoride arc-chutes, the insulation torrefaction layer that outside is set can fall the moisture sorption in air, ensure that arc extinguishing room sulfur hexafluoride is not polluted by aqueous vapor, insulating properties declines, inner side sets insulated enclosure lid the impurity particle outside arc-chutes can be filtered out, some impurity will not be made to enter displacer and pneumatic tube scuffing inwall, influence air-tightness, make safer in arc-chutes, can be safe and reliable in frequent operation cut-off, extends the service life of arc-chutes.
Description
Technical field
The invention belongs to technical field of electric equipment, and in particular to a kind of arc-control device for voltage protection.
Background technology
Sulfur hexafluoride breaker is a kind of breaker by the use of sulfur hexafluoride gas as arc-extinguishing medium and dielectric, letter
Claim sulfur hexafluoride breaker, due to the excellent specific property of this gas, make this breaker single break in voltage and current parameter side
Compressed-air circuit breaker and oil-minimum breaker are much higher than in face, and do not need high air pressure and considerable series connection fracture number.
The electric property of original sulfur hexafluoride breaker is especially big by electric fields uniform degree and moisture and impurity effect, passes through
Due to repeatedly cut-offfing after long-time use, aqueous vapor and the impurity got into the air in sulfur hexafluoride arc-chutes, reduction by six can be made
The purity of sulfur fluoride, influences the insulating properties of sulfur hexafluoride breaker, the danger that can not accurately cut-off when in use.
The content of the invention
It is an object of the invention to provide a kind of arc-control device for voltage protection, to solve to carry in above-mentioned background technology
The electric property for going out original sulfur hexafluoride breaker is especially big by electric fields uniform degree and moisture and impurity effect, by for a long time
Due to repeatedly cut-offfing after use, aqueous vapor and the impurity got into the air in sulfur hexafluoride arc-chutes can be made, sulfur hexafluoride is reduced
Purity, the insulating properties of sulfur hexafluoride breaker are influenceed, the problem of the danger that can not accurately cut-off when in use.
To achieve the above object, the present invention provides following technical scheme：A kind of arc-control device for voltage protection, including
It is provided with above shell body and insulation torrefaction layer, the shell body above lid, the left end of the upper lid and is provided with fixed spiral shell
It is provided with the right side of bolt, the fixing bolt above hoisting board, the hoisting board and is provided with fixed transverse rod, the fixed transverse rod
Lower right-hand side be provided with explosion-protection equipment, main shaft is provided with below the left side of the explosion-protection equipment, the left side of the main shaft is set
Have to be provided with the right side of power transmission shaft, the power transmission shaft below insulated tension pole, the left end of the insulated tension pole and be provided with sulfur hexafluoride
Arc-chutes, the outside of the sulfur hexafluoride arc-chutes, which is provided with the left of insulation booth, the insulation booth, is provided with current transformer,
Breaker support feet is provided with below the current transformer, and sleeve pipe fixed seat, institute are provided with the left of current transformer
State and inlet-outlet sleeve be provided with the left of sleeve pipe fixed seat, the insulation torrefaction layer is arranged on the left end of sulfur hexafluoride arc-chutes,
And the right side of insulation torrefaction layer is provided with insulated enclosure lid, the right side middle position of the insulated enclosure lid is provided with quiet arc and touched
It is provided with outside head, the right-hand member of the static arc contact on the left of moving arcing contact, the moving arcing contact and is provided with quenching nozzle, it is described
It is provided with the right side of quenching nozzle outside major loop movable contact, the left end of the major loop movable contact and is provided with major loop stationary contact
It is provided with pneumatic tube on the right side of head, and major loop movable contact, the pneumatic tube is internally provided with displacer, the work of calming the anger
The right-hand member middle position of plug is provided with lifting arm, and the current transformer is electrically connected with external power source.
It is preferred that, the breaker support feet is provided with two altogether, and two breaker support feets are separately mounted to shell
Left and right ends below body.
It is preferred that, it is fixedly connected between the shell body and upper lid by fixing bolt.
It is preferred that, the inlet-outlet sleeve is provided with two altogether, and two inlet-outlet sleeves are separately mounted under shell body
The left and right sides at end.
It is preferred that, the quenching nozzle is provided with two altogether, and two quenching nozzles are separately mounted to the upper of static arc contact
End and lower end.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is scientific and reasonable for structure, safe and convenient to use,
Insulated enclosure lid and insulation torrefaction layer are provided with original sulfur hexafluoride arc-chutes, the insulation torrefaction layer that outside is set can be sky
Moisture sorption in gas is fallen, it is ensured that arc extinguishing room sulfur hexafluoride is not polluted by aqueous vapor, and insulating properties declines, and inner side sets insulated enclosure
Lid can filter out the impurity particle outside arc-chutes, and some impurity will not be made to enter in displacer and pneumatic tube scuffing
Wall, influences air-tightness, makes safer in arc-chutes, can be safe and reliable in frequent operation cut-off, extends arc-chutes
Service life.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the internal structure schematic diagram of sulfur hexafluoride arc-chutes of the present invention；
In figure：1- hoisting boards, 2- explosion-protection equipments, 3- main shafts, 4- insulated tension poles, 5- sulfur hexafluorides arc-chutes, 6- power transmission shafts, 7- are exhausted
Edge box, 8- breakers support feet, 9- sleeve pipes fixed seat, 10- inlet-outlet sleeves, 11- current transformers, 12- shell bodies, 13- are solid
Determine bolt, lid on 14-, 15- fixed transverse rods, 16- major loop movable contacts, 17- pneumatic tubes, 18- lifting arms, 19- displacers,
20- moving arcing contacts, 21- major loops static contact, 22- quenching nozzles, 23- static arc contacts, 24- insulated enclosures lid, 25- insulation torrefactions
Layer.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 and Fig. 2 are referred to, the present invention provides a kind of technical scheme：Including shell body 12 and insulation torrefaction layer 25, shell
The top of body 12, which is provided with above lid 14, the left end of upper lid 14, is provided with fixing bolt 13, and the right side of fixing bolt 13 is set
There is hoisting board 1, the top of hoisting board 1 is provided with fixed transverse rod 15, and the lower right-hand side of fixed transverse rod 15 is provided with explosion-protection equipment 2,
Main shaft 3 is provided with below the left side of explosion-protection equipment 2, the left side of main shaft 3 is provided with below insulated tension pole 4, the left end of insulated tension pole 4
Power transmission shaft 6 is provided with, the right side of power transmission shaft 6 is provided with sulfur hexafluoride arc-chutes 5, and the outside of sulfur hexafluoride arc-chutes 5 is provided with
Insulation booth 7, the left side of insulation booth 7 is provided with current transformer 11, and the lower section of current transformer 11 is provided with breaker support feet
8, and the left side of current transformer 11 is provided with sleeve pipe fixed seat 9, the left side of sleeve pipe fixed seat 9 is provided with inlet-outlet sleeve 10,
Insulation torrefaction layer 25 is arranged on the left end of sulfur hexafluoride arc-chutes 5, and the right side of insulation torrefaction layer 25 is provided with insulated enclosure lid
24, the right side middle position of insulated enclosure lid 24 be provided with outside static arc contact 23, the right-hand member of static arc contact 23 be provided with it is dynamic
Arcing contact 20, the left side of moving arcing contact 20 is provided with quenching nozzle 22, and the right side of quenching nozzle 22 is provided with major loop movable contact
16, major loop static contact 21 is provided with outside the left end of major loop movable contact 16, and the right side of major loop movable contact 16 is provided with
Pneumatic tube 17, pneumatic tube 17 is internally provided with displacer 19, and the right-hand member middle position of displacer 19 is provided with lifting
Bar 18, current transformer 11 is electrically connected with external power source.
In the present embodiment, it is preferred that breaker support feet 8 is provided with two altogether, and two breaker support feets 8 are pacified respectively
Left and right ends mounted in the lower section of shell body 12.
In the present embodiment, it is preferred that be fixedly connected between shell body 12 and upper lid 14 by fixing bolt 13.
In the present embodiment, it is preferred that inlet-outlet sleeve 10 is provided with two altogether, and two inlet-outlet sleeves 10 are respectively mounted
The left and right sides in the lower end of shell body 12.
In the present embodiment, it is preferred that quenching nozzle 22 is provided with two altogether, and two quenching nozzles 22 be separately mounted to it is quiet
The top and bottom of arcing contact 23.
Sulfur hexafluoride gas is a kind of colourless, tasteless, nontoxic, non-flammable in sulfur hexafluoride arc-chutes 5 in the present invention
Inert gas, and have excellent cooling arc characteristic, particularly produced in the presence of switchgear has high arc temperature higher
Cooling effect, it is to avoid the possibility of localized hyperthermia, the insulating properties of sulfur hexafluoride are situated between considerably beyond traditional oil, air insulation
Matter.
The present invention operation principle and use flow：After the present invention is installed, breaker is transported to by hoisting board 1
Position is formulated, is fixed by fixing bolt 13, external power source is connected, operationally circuit passes into electricity from inlet-outlet sleeve 10
Current transformer 11 is depressured, and is supplied to residential block, and when needing to cut-off circuit, the action of insulated tension pole 4 pulls power transmission shaft 6, lifting arm 18
Pneumatic tube 17 is pulled to be slided in displacer 19, moving arcing contact 20 produces electric arc, quenching nozzle when being separated with static arc contact 23
22, which can blow out sulfur hexafluoride gas, makes electric arc disappear, and completes to cut-off, and insulation torrefaction layer 25 and insulated enclosure lid 24 can keep hexafluoro
Change the pure of sulfur hexafluoride gas in sulphur arc-chutes 5, make to cut-off safe progress.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of arc-control device for voltage protection, including shell body（12）With insulation torrefaction layer（25）, it is characterised in that：Institute
State shell body（12）Top be provided with lid（14）, the upper lid（14）Left end above be provided with fixing bolt（13）, institute
State fixing bolt（13）Right side be provided with hoisting board（1）, the hoisting board（1）Top be provided with fixed transverse rod（15）, institute
State fixed transverse rod（15）Lower right-hand side be provided with explosion-protection equipment（2）, the explosion-protection equipment（2）Left side below be provided with main shaft
（3）, the main shaft（3）Left side be provided with insulated tension pole（4）, the insulated tension pole（4）Left end below be provided with power transmission shaft
（6）, the power transmission shaft（6）Right side be provided with sulfur hexafluoride arc-chutes（5）, the sulfur hexafluoride arc-chutes（5）Outside set
It is equipped with insulation booth（7）, the insulation booth（7）Left side be provided with current transformer（11）, the current transformer（11）Under
Side is provided with breaker support feet（8）, and current transformer（11）Left side be provided with sleeve pipe fixed seat（9）, described sleeve pipe is solid
Reservation（9）Left side be provided with inlet-outlet sleeve（10）, the insulation torrefaction layer（25）Installed in sulfur hexafluoride arc-chutes（5）'s
Left end, and insulation torrefaction layer（25）Right side be provided with insulated enclosure lid（24）, the insulated enclosure lid（24）Right side in the middle of
Static arc contact is provided with position（23）, the static arc contact（23）Right-hand member outside be provided with moving arcing contact（20）, it is described dynamic
Arcing contact（20）Left side be provided with quenching nozzle（22）, the quenching nozzle（22）Right side be provided with major loop movable contact
（16）, the major loop movable contact（16）Left end outside be provided with major loop static contact（21）, and major loop movable contact（16）
Right side be provided with pneumatic tube（17）, the pneumatic tube（17）Be internally provided with displacer（19）, the displacer
（19）Right-hand member middle position be provided with lifting arm（18）, the current transformer（11）It is electrically connected with external power source.
2. a kind of arc-control device for voltage protection according to claim 1, it is characterised in that：The breaker support
Pin（8）Two, and two breaker support feets are provided with altogether（8）It is separately mounted to shell body（12）The left and right ends of lower section.
3. a kind of arc-control device for voltage protection according to claim 1, it is characterised in that：The shell body（12）
With upper lid（14）Between pass through fixing bolt（13）It is fixedly connected.
4. a kind of arc-control device for voltage protection according to claim 1, it is characterised in that：The inlet-outlet sleeve
（10）Two, and two inlet-outlet sleeves are provided with altogether（10）It is separately mounted to shell body（12）The left and right sides of lower end.
5. a kind of arc-control device for voltage protection according to claim 1, it is characterised in that：The quenching nozzle
（22）Two, and two quenching nozzles are provided with altogether（22）It is separately mounted to static arc contact（23）Top and bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538900.5A CN107170642A (en) | 2017-07-04 | 2017-07-04 | A kind of arc-control device for voltage protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710538900.5A CN107170642A (en) | 2017-07-04 | 2017-07-04 | A kind of arc-control device for voltage protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107170642A true CN107170642A (en) | 2017-09-15 |
Family
ID=59822653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710538900.5A Pending CN107170642A (en) | 2017-07-04 | 2017-07-04 | A kind of arc-control device for voltage protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107170642A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037011A (en) * | 2014-06-04 | 2014-09-10 | 柳州市海格电气有限公司 | Watchdog division load switch |
| CN204215925U (en) * | 2014-08-18 | 2015-03-18 | 江苏华江科技有限公司 | Integration fast assembling-disassembling static contact head device |
| CN204558404U (en) * | 2015-05-15 | 2015-08-12 | 国家电网公司 | There is the circuit breaker of arc extinguishing effect |
| CN105551876A (en) * | 2016-02-03 | 2016-05-04 | 中国电力科学研究院 | All-insulated outdoor vacuum switch based on dual-cavity vacuum arc extinguishing chamber |
| CN105632837A (en) * | 2014-11-02 | 2016-06-01 | 黑龙江傲立辅龙科技开发有限公司 | Binding post and circuit interrupting device of high-voltage power distribution line |
-
2017
- 2017-07-04 CN CN201710538900.5A patent/CN107170642A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037011A (en) * | 2014-06-04 | 2014-09-10 | 柳州市海格电气有限公司 | Watchdog division load switch |
| CN204215925U (en) * | 2014-08-18 | 2015-03-18 | 江苏华江科技有限公司 | Integration fast assembling-disassembling static contact head device |
| CN105632837A (en) * | 2014-11-02 | 2016-06-01 | 黑龙江傲立辅龙科技开发有限公司 | Binding post and circuit interrupting device of high-voltage power distribution line |
| CN204558404U (en) * | 2015-05-15 | 2015-08-12 | 国家电网公司 | There is the circuit breaker of arc extinguishing effect |
| CN105551876A (en) * | 2016-02-03 | 2016-05-04 | 中国电力科学研究院 | All-insulated outdoor vacuum switch based on dual-cavity vacuum arc extinguishing chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170915 |
|
| RJ01 | Rejection of invention patent application after publication |