CN208985907U - A kind of self extinguishing type sulfur hexafluoride frame circuit breaker - Google Patents
A kind of self extinguishing type sulfur hexafluoride frame circuit breaker Download PDFInfo
- Publication number
- CN208985907U CN208985907U CN201821620896.3U CN201821620896U CN208985907U CN 208985907 U CN208985907 U CN 208985907U CN 201821620896 U CN201821620896 U CN 201821620896U CN 208985907 U CN208985907 U CN 208985907U
- Authority
- CN
- China
- Prior art keywords
- sulfur hexafluoride
- arc
- circuit breaker
- arc extinguishing
- outlet terminal
- 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.)
- Expired - Fee Related
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- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 41
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 41
- 230000003068 static effect Effects 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000002000 scavenging effect Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000000171 quenching effect Effects 0.000 description 3
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
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- Circuit Breakers (AREA)
Abstract
The utility model provides a kind of self extinguishing type sulfur hexafluoride frame circuit breaker, including shell, sulfur hexafluoride arc-chutes, current transformer, zero sequence current mutual inductor, lead-in wire terminal, outlet terminal, electric wire distributor, the sulfur hexafluoride arc-chutes, lead-in wire terminal, outlet terminal is mounted in shell, the sulfur hexafluoride arc-chutes include moving contact, static contact, lead-in wire terminal is connected with static contact, the outlet terminal is connected with moving contact, the current transformer, zero sequence current mutual inductor is mounted on outlet terminal side, the electric wire distributor is connected with outlet terminal.The utility model self extinguishing type sulfur hexafluoride frame circuit breaker structure is simple, small in size, effectively solves the problems, such as that sulfur hexafluoride breaker volume is larger, structure is complicated and leads to not be applied to frame circuit breaker.
Description
Technical field
The utility model relates to a kind of frame circuit breakers, more particularly to a kind of self extinguishing type sulfur hexafluoride frame circuit breaker.
Background technique
Sulfur hexafluoride breaker is the non-oil ultra high vacuum system switchgear using SF6 gas for dielectric and arc-extinguishing medium, absolutely
Edge performance and arc quenching characteristic are all much higher than oil-break, but existing sulfur hexafluoride breaker volume is larger, structure is complicated leads
Its higher cost is caused, the voltage class of 110kV or more is mainly used in, it is difficult to effectively be applied in frame circuit breaker, sternly
The universal of sulfur hexafluoride breaker is limited again.
Utility model content
The utility model provides a kind of self extinguishing type sulfur hexafluoride frame circuit breaker, at least to solve hexafluoro in the prior art
Change the problem of sulphur breaker volume is larger, structure is complicated leads to not applied to frame circuit breaker.
The utility model provides a kind of self extinguishing type sulfur hexafluoride frame circuit breaker, including shell, sulfur hexafluoride arc-chutes,
Current transformer, zero sequence current mutual inductor, lead-in wire terminal, outlet terminal, electric wire distributor, the sulfur hexafluoride arc-chutes enter
Line terminals, outlet terminal are mounted in shell, and the sulfur hexafluoride arc-chutes include moving contact, static contact, lead-in wire terminal
It is connected with static contact, the outlet terminal is connected with moving contact, and the current transformer, zero sequence current mutual inductor are mounted on outlet
Terminal side, the electric wire distributor are connected with outlet terminal.
Further, the breaker includes semicircle plectrum, transmission arm, conducting wire, and the arc-chutes include arc extinguishing tank, dynamic touching
Piece, static contact, piston sleeve, piston, scavenging air valve, the scavenging air valve are connected with arc extinguishing pot bottom, are hexafluoro in the arc extinguishing tank
Change sulphur and fill chamber, the static contact inserts in above arc extinguishing tank, and described movable contact spring one end inserts in piston, the movable contact spring other end
Be located at one end in arc extinguishing tank with static contact to fit, the piston is mounted in piston sleeve, described piston sleeve one end with
Arc extinguishing tank is fixedly linked, the outlet terminal with insert in piston the movable contact spring other end and be connected by conducting wire, lead-in wire terminal
It is located at one end outside arc extinguishing tank with static contact by conducting wire to be connected；The semicircle plectrum includes semicircular structure, plectrum, and described group
Piece is mounted on the side that semicircular structure has circular arc, and the center point of the semicircular structure is equipped with bearing, the semicircle plectrum
It is vertically mounted on shell by bearing, the top of the semicircle plectrum is located at one end outside arc extinguishing tank by transmission arm and piston
It is connected.
Further, tetrafluoroethene coating is equipped with inside the arc extinguishing tank.
Further, breather valve is additionally provided with above the arc extinguishing tank.
The utility model compared with prior art, using single chamber arc-extinguishing mechanism, forms closed sulfur hexafluoride and fills chamber, keep away
Exempt from conventional jet structure, to simplify arc-extinguishing mechanism, effectively reduces arc extinguishing chamber size, it is ensured that arc-chutes can be contained in
In frame circuit breaker.Meanwhile the utility model frame circuit breaker is realized compared to using the prior art using sulfur hexafluoride blowout
Movable contact spring, static contact are directly immersed in sulfur hexafluoride atmosphere, effectively increase arc quenching effect by arc extinguishing.In addition, this is practical new
Current transformer, zero sequence current mutual inductor is arranged by the outlet terminal in sulfur hexafluoride breaker in type, to breaker outgoing line end
Electric current carry out effective monitoring, improve frame circuit breaker using safe.
Detailed description of the invention
Fig. 1 is the utility model embodiment structural schematic diagram.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model a part, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.
The utility model embodiment discloses a kind of breaker with intelligence interface, as shown in Figure 1, including shell 1, six
Sulfur fluoride arc-chutes 4, lead-in wire terminal 2, outlet terminal 3, electric wire distributor 7, the sulfur hexafluoride arc-chutes 4, lead-in wire terminal 2,
Outlet terminal 3 is mounted in shell 1, and the sulfur hexafluoride arc-chutes 4 include moving contact 44, static contact 43, lead-in wire terminal 2
It is connected with static contact 43, the outlet terminal 3 is connected with moving contact 44, the current transformer 31, zero sequence current mutual inductor 32
It is mounted on 3 side of outlet terminal, the electric wire distributor 7 is connected with outlet terminal 3.
Optionally, as shown in Figure 1, the breaker includes semicircle plectrum 5, transmission arm 6, conducting wire, the arc-chutes 4 include
Arc extinguishing tank 41, movable contact spring 44, static contact 43, piston sleeve 45, piston 46, scavenging air valve 42, the scavenging air valve 42 and arc extinguishing tank 41
Bottom is connected, and fills chamber in the arc extinguishing tank 41 for sulfur hexafluoride, and the static contact 43 inserts in 41 top of arc extinguishing tank, the dynamic touching
44 one end of piece inserts in piston 46, and 44 other end of movable contact spring is located at one end in arc extinguishing tank 41 with static contact 43 and fits,
The piston 46 is mounted in piston sleeve 45, and described 45 one end of piston sleeve is fixedly linked with arc extinguishing tank 41, the leading-out terminal
Son 3 with insert in piston 46 44 other end of movable contact spring and be connected by conducting wire, lead-in wire terminal 2 passes through conducting wire and static contact 43
It is connected in one end outside arc extinguishing tank 41；The semicircle plectrum 5 includes semicircular structure 51, plectrum 52, and the plectrum 52 is mounted on
Semicircular structure 51 has the side of circular arc, and the center point of the semicircular structure 51 is equipped with bearing, and the semicircle plectrum 5 passes through
Bearing is vertically mounted on shell 1, and the top of the semicircle plectrum 5 is located at outside arc extinguishing tank 41 by transmission arm 6 and piston 46
One end is connected.
Particularly, tetrafluoroethene coating is equipped with inside the arc extinguishing tank.
Particularly, breather valve is additionally provided with above the arc extinguishing tank.
Wherein, as shown in Figure 1, being airtight cavity in arc extinguishing tank 41, and full there is sulfur hexafluoride gas.Current transformer
31, zero sequence current mutual inductor 32 is placed on outside outlet terminal 3, and electric wire distributor 7 is located at outside shell 1, and with 3 phase of outlet terminal
Even, there are multiple leading-out terminals on electric wire distributor 7.
By electric current it is excessive when, movable contact spring 44, static contact 43 due to electric current it is excessive, cause temperature to increase, to arc extinguishing tank
Sulfur hexafluoride is heated in 41, is made gas expansion and is pushed piston 46, and another movable contact spring 44, static contact 43 separate, and realizes open circuit
The cut-out function of device, the electric arc generated between movable contact spring 44, static contact 43 are absorbed by the sulfur hexafluoride gas of surrounding, are realized
The elimination of electric arc.When being closed, the plectrum 52 of semicircle plectrum 5 need to only be boosted, make transmission arm 6 that piston 46 is pushed into piston
In casing 45, movable contact spring 44, static contact 43 are contacted, and realize the connection of route.Current transformer 31, zero sequence current mutual inductor 32 are right
The electric current that outlet terminal 3 passes through effectively is detected, and realizes the monitoring to frame circuit breaker.
The utility model embodiment uses single chamber arc-extinguishing mechanism, forms closed sulfur hexafluoride and fills chamber, avoids routine
Jet structure effectively reduce arc extinguishing chamber size to simplify arc-extinguishing mechanism, it is ensured that arc-chutes can be contained in frame open circuit
In device.Meanwhile the utility model embodiment frame circuit breaker is gone out compared to using the prior art using sulfur hexafluoride blowout realization
Movable contact spring, static contact are directly immersed in sulfur hexafluoride atmosphere, effectively increase arc quenching effect by arc.In addition, the utility model
Current transformer, zero sequence current mutual inductor is arranged by the outlet terminal in sulfur hexafluoride breaker in embodiment, goes out to breaker
The electric current of line end carries out effective monitoring, improve frame circuit breaker using safe.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System, although the utility model is described in detail referring to above-described embodiment, those of ordinary skill in the art should
Understand, technical staff read present specification after specific implementation of the utility model can still be modified or
Equivalent replacement, but these are modified or are changed within all without departing from present utility model application accompanying claims protection scope.
Claims (4)
1. a kind of self extinguishing type sulfur hexafluoride frame circuit breaker, which is characterized in that the self extinguishing type sulfur hexafluoride frame circuit breaker packet
Shell, sulfur hexafluoride arc-chutes, current transformer, zero sequence current mutual inductor, lead-in wire terminal, outlet terminal, electric wire distributor are included,
The sulfur hexafluoride arc-chutes, lead-in wire terminal, outlet terminal are mounted in shell, and the sulfur hexafluoride arc-chutes include dynamic touching
Head, static contact, lead-in wire terminal are connected with static contact, and the outlet terminal is connected with moving contact, the current transformer, zero
Sequence current transformer is mounted on outlet terminal side, and the electric wire distributor is connected with outlet terminal.
2. self extinguishing type sulfur hexafluoride frame circuit breaker according to claim 1, which is characterized in that the breaker includes half
Circle plectrum, transmission arm, conducting wire, the arc-chutes include arc extinguishing tank, movable contact spring, static contact, piston sleeve, piston, scavenging air valve, institute
It states scavenging air valve to be connected with arc extinguishing pot bottom, fills chamber in the arc extinguishing tank for sulfur hexafluoride, the static contact inserts on arc extinguishing tank
Side, described movable contact spring one end insert in piston, and the movable contact spring other end is located at one end in arc extinguishing tank with static contact and fits,
The piston is mounted in piston sleeve, and described piston sleeve one end is fixedly linked with arc extinguishing tank, the outlet terminal with insert in
The movable contact spring other end is connected by conducting wire in piston, and lead-in wire terminal is located at one end outside arc extinguishing tank by conducting wire and static contact
It is connected；The semicircle plectrum includes semicircular structure, plectrum, and the plectrum is mounted on the side that semicircular structure has circular arc,
The center point of the semicircular structure is equipped with bearing, and the semicircle plectrum is vertically mounted on shell by bearing, the semicircle
The top of plectrum is located at one end outside arc extinguishing tank with piston by transmission arm and is connected.
3. self extinguishing type sulfur hexafluoride frame circuit breaker according to claim 2, which is characterized in that set inside the arc extinguishing tank
There is tetrafluoroethene coating.
4. self extinguishing type sulfur hexafluoride frame circuit breaker according to claim 2, which is characterized in that above the arc extinguishing tank also
Equipped with breather valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821620896.3U CN208985907U (en) | 2018-10-08 | 2018-10-08 | A kind of self extinguishing type sulfur hexafluoride frame circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821620896.3U CN208985907U (en) | 2018-10-08 | 2018-10-08 | A kind of self extinguishing type sulfur hexafluoride frame circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208985907U true CN208985907U (en) | 2019-06-14 |
Family
ID=66786438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821620896.3U Expired - Fee Related CN208985907U (en) | 2018-10-08 | 2018-10-08 | A kind of self extinguishing type sulfur hexafluoride frame circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208985907U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864549A (en) * | 2020-07-23 | 2020-10-30 | 广东中兴电器开关股份有限公司 | Multiple automatic protection type intelligence cubical switchboard |
| CN112750665A (en) * | 2021-01-20 | 2021-05-04 | 北京双杰电气股份有限公司 | Modular frame circuit breaker |
| CN112750666A (en) * | 2021-01-20 | 2021-05-04 | 北京双杰电气股份有限公司 | Frame circuit breaker |
-
2018
- 2018-10-08 CN CN201821620896.3U patent/CN208985907U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864549A (en) * | 2020-07-23 | 2020-10-30 | 广东中兴电器开关股份有限公司 | Multiple automatic protection type intelligence cubical switchboard |
| CN111864549B (en) * | 2020-07-23 | 2022-03-04 | 广东中兴电器开关股份有限公司 | Multiple automatic protection type intelligence cubical switchboard |
| CN112750665A (en) * | 2021-01-20 | 2021-05-04 | 北京双杰电气股份有限公司 | Modular frame circuit breaker |
| CN112750666A (en) * | 2021-01-20 | 2021-05-04 | 北京双杰电气股份有限公司 | Frame circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |