CN105304399B - A kind of integrated small high-pressure vacuum breaker - Google Patents
A kind of integrated small high-pressure vacuum breaker Download PDFInfo
- Publication number
- CN105304399B CN105304399B CN201510868732.7A CN201510868732A CN105304399B CN 105304399 B CN105304399 B CN 105304399B CN 201510868732 A CN201510868732 A CN 201510868732A CN 105304399 B CN105304399 B CN 105304399B
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- China
- Prior art keywords
- fixing terminal
- shell
- connector
- flexible coupling
- conductive core
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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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66261—Specific screen details, e.g. mounting, materials, multiple screens or specific electrical field considerations
- H01H2033/66292—Details relating to the use of multiple screens in vacuum switches
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention relates to technical field of electrical equipment, more particularly to a kind of integrated small high-pressure vacuum breaker, including shell, first fixing terminal, second fixing terminal and the vacuum interrupter being sealed in shell, operating mechanism and it is flexible coupling, first fixing terminal includes conductive core and insulating coating, conductive core is wrapped in insulating coating, second fixing terminal is identical as the first fixing terminal structure, vacuum interrupter includes static contact and moving contact, static contact is connect with one end of the first fixing terminal, shell exterior is stretched out in one end that first fixing terminal is not connect with static contact, one end connection moving contact being flexible coupling, the other end being flexible coupling is connect with the second fixing terminal, second fixing terminal does not stretch out shell exterior with the one end for the connection that is flexible coupling, operating mechanism is set to vacuum interrupter side, with small in size, save space, height collects The characteristics of integralization is easily installed and moves, long service life.
Description
Technical field
The present invention relates to technical field of electrical equipment, and in particular to a kind of integrated small high-pressure vacuum breaker.
Background technique
High-pressure vacuum breaker is electric elements most-often used in a kind of high tension distribution system, including vacuum interrupter,
Operating mechanism, bracket and other component, it is the breaker for utilizing " vacuum " arc extinguishing, and contact is in vacuum extinction room.By
The problem of gas ionization is not present in vacuum, so the contact of this breaker is difficult that electric arc occurs when disconnecting.Common high pressure
It is insufficient that vacuum circuit breaker has several points: 1, the contact contact of traditional vacuum interrupter is using copper sheet as connection terminal and electronic box
Electrode connection, since copper sheet is excellence conductor, and exposed surface area is larger, in a high voltage state, if adjacent copper sheet distance is too
It is close then there may be electric arc, there are security risks, thus when installation between copper sheet must one safe distance in interval, generally higher than
30cm causes the volume of high-pressure vacuum breaker bigger, not enough saving space, and installation and movement etc. are all not convenient enough；2,
Since vacuum interrupter is connect with electronic box electrode, shared volume is larger, and vacuum interrupter and operating mechanism need to be installed separately, unfavorable
It is installed in sealing vacuum interrupter, operating mechanism and other component, then each component is exposed in air, it is easy to be corroded, shadow
Ring the service life of high-pressure vacuum breaker.
Summary of the invention
The purpose of the present invention is aiming at the shortcomings in the prior art, providing a kind of integrated small high-pressure vacuum breaker,
It saves space with small in size, and highly integrated integration is easily installed and moves, and the characteristics of long service life.
The purpose of the present invention is achieved through the following technical solutions:
A kind of integrated small high-pressure vacuum breaker, including shell, the first fixing terminal, the second fixing terminal and close
The vacuum interrupter that is encapsulated in shell, operating mechanism and it is flexible coupling, the first fixing terminal includes conductive core and insulating coating, conductive
Core is wrapped in insulating coating, and the second fixing terminal is identical as the first fixing terminal structure, vacuum interrupter include static contact and
Moving contact, static contact are connect with one end of the first fixing terminal, and one end that the first fixing terminal is not connect with static contact is stretched out outer
Outside shell, one end connection moving contact being flexible coupling, the other end being flexible coupling is connect with the second fixing terminal, and the second fixing terminal is not
Shell exterior is stretched out with the one end for the connection that is flexible coupling, operating mechanism is set to vacuum interrupter side.
Wherein, the end of conductive core is equipped with multiple bending curved surfaces.
Wherein, multiple bending curved surface side views are wavy.
Wherein, the first fixing terminal and the second fixing terminal are column structure.
Wherein, shell is ceramic shell or plastic shell or glass shell.Ceramics, plastic cement and glass have good electricity absolutely
Edge avoids a possibility that present invention is leaked electricity, and ceramics, plastic cement and chemical durability of glass are good, and corrosion resistant is moisture resistance, extends
Service life of the invention, and play a very good protection to each component of interior of shell.
Beneficial effects of the present invention: the first fixing terminal of the invention is set as connecting with electronic box electrode with the second fixing terminal
Electronic box electrode cable is separately connected the first fixing terminal and the second fixing terminal for being exposed to shell exterior, can realized by point
The electric connection of the present invention and electronic box electrode, it is convenient and efficient, it is outer that insulation is equipped with outside the first fixing terminal and the second fixing terminal
Set, reduces Electrical Discharge Machine meeting, so as to shorten the safe distance between adjacent component, using safe distance by original copper sheet as company
Connecting terminal is decreased to less than 10cm not less than 30cm, connect for vacuum interrupter with electrode and saves big quantity space, and this
Invention by the tie point of vacuum arc-extinguishing chamber contact be set to vacuum circuit breaker outside, allow vacuum interrupter and operating mechanism with
And other component is sealed in shell, to realize high-voltage circuitbreaker integration, miniaturization；Each component of the present invention is sealed in shell
Inside, highly integrated integration are easily installed and move, and form low vacuum space inside the housing, reduce each component quilt
The chance of corrosion extends long service life, safe and reliable.
The present invention is used cooperatively with cable connector shown in Fig. 4, flexibly and fast, and is easy for installation and maintenance, is suitable for
The fields such as large-scale electronic box, steamer.
Detailed description of the invention
Invention is described further using attached drawing, but the embodiments in the accompanying drawings do not constitute any limitation to the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to the following drawings
Its attached drawing.
Fig. 1 is a kind of structural schematic diagram of integrated small high-pressure vacuum breaker of the present invention；
Fig. 2 is the arrangement architecture schematic diagram of vacuum interrupter；
Fig. 3 is the state diagram that a kind of integrated small high-pressure vacuum breaker of the present invention and cable connector are used cooperatively；
Fig. 4 is the cross-sectional view of A in Fig. 3；
Fig. 5 is the structural schematic diagram for being conductively connected head and locking member.
Specific embodiment
The invention will be further described with the following Examples.
As shown in Figure 1, in the present embodiment, a kind of integrated small high-pressure vacuum breaker includes shell 1, the first fixing end
Sub 2, second fixing terminal 6 and the vacuum interrupter 3 being sealed in shell 1, operating mechanism 4 and it is flexible coupling 5, the first fixing end
Son 2 includes conductive core 21 and insulating coating 22, and conductive core 21 is wrapped in insulating coating 22, and the second fixing terminal 6 and first is solid
Fixed end son 2 structures it is identical, vacuum interrupter 3 include static contact 31 and moving contact 32, the one of static contact 31 and the first fixing terminal 2
End connection, one end that the first fixing terminal 2 connect with static contact 31 are stretched out outside shell 1, and the 5 one end connection of being flexible coupling dynamic is touched
First 32,5 other end of being flexible coupling is connect with the second fixing terminal 6, and the one end of the second fixing terminal 6 not with 5 connections that are flexible coupling is stretched
Out outside shell 1, operating mechanism 4 is set to 3 side of vacuum interrupter.
Wherein, the end of conductive core 21 is equipped with multiple bending curved surfaces, convenient for being used cooperatively with cable connector 7.
Wherein, multiple bending curved surface side views are wavy, increase the contact area with cable connector 7, make to be connected firmly.
Wherein, the first fixing terminal 2 and the second fixing terminal 6 are column structure.Convenient for various cable connectors 7
A possibility that being used cooperatively, increasing flexibility, and column structure does not have sharp edge, reduce acute angle electric discharge, reduces security risk.
Wherein, shell 1 is ceramic shell.A possibility that ceramics have good electrical insulating property, avoid present invention electric leakage,
And ceramic chemistry has good stability, corrosion resistant is moisture resistance, extends service life of the invention, and rise to each component inside shell 1
To good protective effect.
First fixing terminal 2 and the second fixing terminal 6 of the invention be set as with 8 tie point of electronic box electrode, by electronic box electrode 8
It is separately connected the first fixing terminal 2 and the second fixing terminal 6 for being exposed to shell exterior, can realize the present invention and electronic box electrode
8 electric connection, it is convenient and efficient, it is equipped with insulating coating outside the first fixing terminal 2 and the second fixing terminal 6, reduces electric discharge
Chance, so as to shorten the safe distance between adjacent component, using safe distance by original copper sheet as the not small of connection terminal
It is decreased to less than 10cm in 30cm, is connect with electrode 8 for vacuum interrupter 3 and saves big quantity space, and the present invention is by vacuum
The tie point of 3 contact of arc-chutes is set to the outside of vacuum circuit breaker shell 1, allow vacuum interrupter 3 and operating mechanism 4 and
Other component is sealed in shell, to realize high-voltage circuitbreaker integration, miniaturization；Each component of the present invention is sealed in shell
Portion, highly integrated integration are easily installed and move, and form low vacuum space inside the housing, and it is rotten to reduce each component
The chance of erosion extends long service life, safe and reliable.
The present embodiment and cable connector 7 shown in Fig. 4 are used cooperatively, cable connector 7 include elastic insulated housing 71,
It is conductively connected head 72 and is sheathed on the locking member 73 for being conductively connected head 72, conductive connection head 72 is column structure, is conductively connected head
71 both ends offer the first connector 721 and the second connector 722 respectively, and the second connector 722 is by four lock sheets 7,221 1
Body formed, the first connector 721 is hollow tubular structure, and in use state, elastic insulated hermetically sealed case 1 is sheathed on conductive connection
First 72 and 73 periphery of locking member, 7221 inner surface of lock sheet is equipped with multiple rack gears, and locking member 73 is locking nut, elastic insulated close
Envelope housing 1 is silicone rubber seal housing.The second connector 722 is protruded into 21 end of conductive core of first fixing terminal 2, sticks into lock
Between the rack gear of tight piece 7221, locking nut 73 is screwed, conductive core 21 can be lock onto the second connector 722.Conductive core 21
Side wall between end and rack gear forms an interaction force, is close to 21 end of conductive core mutually with rack gear 2111, closely connects
It connects, and the waveform curved surface of 21 end of conductive core increases the contact area with the second connector 722, ensure that the first fixing end
The fastness that son 2 is connect with the second connector 722；Electronic box electrode wires 8 protrude into the first connector 721, flatten first by external force
Electronic box electrode wires 8 are pressed in the first connector 721 by connector 721, are then sheathed on elastic insulated hermetically sealed case 71 and are led
The outer surface of electrical connector 72 and locking member 73, elastic insulated 73 natural shrinking of hermetically sealed case package are conductively connected head 72 and locking
Part 73, and closely connect with the insulating coating 22 of the first fixing terminal 2, it realizes complete from the present invention to being connect with electronic box electrode 8
In face of exterior insulation, external Electrical Discharge Machine meeting is reduced, securely and reliably.
The present invention is small in size, saves space, highly integrated integration is easily installed and moves, and long service life, flexibly
Fast, securely and reliably, it is suitable for the technical fields such as large-scale electronic box, steamer.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (5)
1. a kind of integrated small high-pressure vacuum breaker, it is characterised in that: including shell (1), the first fixing terminal (2),
Two fixing terminals (6) and the vacuum interrupter (3) being sealed in shell (1), operating mechanism (4) and it is flexible coupling (5), described
One fixing terminal (2) includes conductive core (21) and insulating coating (22), and conductive core (21) is wrapped in insulating coating (22), described
Second fixing terminal (6) is identical as the first fixing terminal (2) structure, and the vacuum interrupter (3) includes static contact (31) and moves
Contact (32), the static contact (31) connect with one end of the first fixing terminal (2), first fixing terminal (2) not with it is quiet
Shell (1) outside is stretched out in one end of contact (31) connection, and described one end for being flexible coupling (5) connects moving contact (32), and be flexible coupling (5)
The other end connect with the second fixing terminal (6), second fixing terminal (6) is not stretched out with the one end that (5) connect that is flexible coupling
Shell (1) is external, and the operating mechanism (4) is set to vacuum interrupter (3) side；It further include cable connector (7), cable connection
Head (7) includes elastic insulated housing (71), is conductively connected head (72) and is sheathed on the locking member (73) for being conductively connected head (72), is led
Electrical connector (72) is column structure, is conductively connected head (71) both ends and offers the first connector (721) and the second connection respectively
Mouth (722), the second connector (722) are integrally formed by four lock sheets (7221), and the first connector (721) is hollow tubular knot
Structure, in use state, elastic insulated hermetically sealed case (1), which is sheathed on, is conductively connected head (72) and locking member (73) periphery, lock sheet
(7221) inner surface is equipped with multiple rack gears, and locking member (73) is locking nut；The conductive core (21) of first fixing terminal (2) is held
Head protrudes into the second connector (722), sticks between the rack gear of lock sheet (7221), screws locking nut (73), by conductive core (21)
It lock onto the second connector (722).
2. a kind of integrated small high-pressure vacuum breaker according to claim 1, it is characterised in that: the conductive core
(21) end is equipped with multiple bending curved surfaces.
3. a kind of integrated small high-pressure vacuum breaker according to claim 2, it is characterised in that: the multiple bending
Curved surface side view is wavy.
4. a kind of integrated small high-pressure vacuum breaker according to any one of claims 1 to 3, it is characterised in that: institute
Stating the first fixing terminal (2) and the second fixing terminal (6) is column structure.
5. a kind of integrated small high-pressure vacuum breaker according to claim 1, it is characterised in that: the shell (1)
For ceramic shell or plastic shell or glass shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510868732.7A CN105304399B (en) | 2015-12-02 | 2015-12-02 | A kind of integrated small high-pressure vacuum breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510868732.7A CN105304399B (en) | 2015-12-02 | 2015-12-02 | A kind of integrated small high-pressure vacuum breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105304399A CN105304399A (en) | 2016-02-03 |
| CN105304399B true CN105304399B (en) | 2019-11-08 |
Family
ID=55201514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510868732.7A Active CN105304399B (en) | 2015-12-02 | 2015-12-02 | A kind of integrated small high-pressure vacuum breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105304399B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120321B (en) * | 2018-02-06 | 2020-11-24 | 浙江圣曦电气股份有限公司 | Closed low-voltage circuit breaker |
| CN111627747A (en) * | 2020-06-29 | 2020-09-04 | 成都彩佳角商贸有限公司 | Vacuum circuit breaker |
| CN111584298B (en) * | 2020-07-06 | 2022-05-13 | 广东电网有限责任公司东莞供电局 | High-reliability high-voltage vacuum circuit breaker |
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|---|---|---|---|---|
| CN102687226A (en) * | 2009-10-14 | 2012-09-19 | Abb技术股份公司 | Electrical device with a multi-chamber housing |
| CN202749289U (en) * | 2012-08-21 | 2013-02-20 | 辽宁华隆电力科技有限公司 | Outdoor AC high voltage vacuum circuit breaker |
| CN202957190U (en) * | 2012-11-30 | 2013-05-29 | 北海银河开关设备有限公司 | Intelligent circuit breaker |
| CN203774163U (en) * | 2014-04-17 | 2014-08-13 | 温州腾高电气科技有限公司 | Indoor high voltage vacuum breaker |
| CN205303302U (en) * | 2015-12-02 | 2016-06-08 | 何亮 | Small -size high -pressure vacuum circuit breaker of integration |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202796708U (en) * | 2012-08-21 | 2013-03-13 | 辽宁华隆电力科技有限公司 | Binding post protective sleeve of outdoor AC high-voltage vacuum circuit breaker |
-
2015
- 2015-12-02 CN CN201510868732.7A patent/CN105304399B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102687226A (en) * | 2009-10-14 | 2012-09-19 | Abb技术股份公司 | Electrical device with a multi-chamber housing |
| CN202749289U (en) * | 2012-08-21 | 2013-02-20 | 辽宁华隆电力科技有限公司 | Outdoor AC high voltage vacuum circuit breaker |
| CN202957190U (en) * | 2012-11-30 | 2013-05-29 | 北海银河开关设备有限公司 | Intelligent circuit breaker |
| CN203774163U (en) * | 2014-04-17 | 2014-08-13 | 温州腾高电气科技有限公司 | Indoor high voltage vacuum breaker |
| CN205303302U (en) * | 2015-12-02 | 2016-06-08 | 何亮 | Small -size high -pressure vacuum circuit breaker of integration |
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| Publication number | Publication date |
|---|---|
| CN105304399A (en) | 2016-02-03 |
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