CN105304399A - Integrated miniature high voltage vacuum circuit breaker - Google Patents
Integrated miniature high voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN105304399A CN105304399A CN201510868732.7A CN201510868732A CN105304399A CN 105304399 A CN105304399 A CN 105304399A CN 201510868732 A CN201510868732 A CN 201510868732A CN 105304399 A CN105304399 A CN 105304399A
- Authority
- CN
- China
- Prior art keywords
- fixed terminal
- flexible coupling
- fixing terminal
- shell
- contact
- 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.)
- Granted
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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 invention relates to the technical field of electric appliance equipment and particularly relates to an integrated miniature high voltage vacuum circuit breaker, including a housing, a first fixing terminal, a second fixing terminal, a vacuum arc-extinguishing chamber, an operation mechanism and a flexible coupling, wherein the vacuum arc-extinguishing chamber, the operation mechanism and the flexible coupling are sealed in the housing; the first fixing terminal comprises a conductive core and an insulation sleeve; the conductive core is wrapped in the insulation sleeve; the second fixing terminal and the first fixing terminal are identical in structure; the vacuum arc-extinguishing chamber comprises a static contact and a moving contact; the static contact is connected with one end of the first fixing terminal; one end, not contacted with the static contact, of the first fixing terminal extends out of the housing; one end of the flexible coupling is connected with the moving contact; the other end of the flexible coupling is connected with the second fixing terminal; one end, not contacted with the flexible coupling, of the second fixing terminal, extends out of the housing; and the operation structure is arranged at one side of the vacuum arc-extinguishing chamber. The integrated miniature high voltage vacuum circuit breaker is characterized in that the size is small, the space is saved, high-level integration is achieved, installation and movement are convenient, and the service life is long.
Description
Technical field
The present invention relates to technical field of electrical equipment, be specifically related to a kind of integrated small high-pressure vacuum breaker.
Background technology
High-pressure vacuum breaker is the electric elements the most often used in a kind of high tension distribution system, comprises vacuum interrupter, operating mechanism, support and miscellaneous part, and it is the circuit breaker utilizing " vacuum " arc extinguishing, and its contact is contained in vacuum extinction indoor.Owing to there is not the problem of gas ionization in vacuum, so be difficult to when the contact of this circuit breaker disconnects electric arc occurs.There is some deficiency in common high-pressure vacuum breaker: the contact contact of 1, traditional vacuum interrupter adopts copper sheet as splicing ear and electronic box Electrode connection, because copper sheet is excellence conductor, and exposed surface area is larger, in a high voltage state, if adjacent copper sheet distance is too near, electric arc may be produced, there is potential safety hazard, so must one, interval safe distance between copper sheet when installing, generally be greater than 30cm, cause the volume ratio of high-pressure vacuum breaker larger, inadequate saving space, and installation and movement etc. are neither enough convenient; 2, shared by vacuum interrupter and electronic box Electrode connection, volume is larger, vacuum interrupter and operating mechanism need be installed separately, vacuum interrupter, operating mechanism and other seal parts is unfavorable for install, then each parts are exposed in air, easily be corroded, the useful life of impact to voltage vacuum circuit-breaker.
Summary of the invention
The object of the invention is for deficiency of the prior art, provide a kind of integrated small high-pressure vacuum breaker, it is little that it has volume, saves space, highly integrated, is convenient to install and move, and the feature of long service life.
Object of the present invention is achieved through the following technical solutions:
A kind of integrated small high-pressure vacuum breaker, comprise shell, first fixed terminal, second fixed terminal and the vacuum interrupter be sealed in shell, operating mechanism and being flexible coupling, first fixed terminal comprises conductive cores and insulating coating, conductive cores is wrapped in insulating coating, second fixed terminal is identical with the first fixing terminal structure, vacuum interrupter comprises fixed contact and moving contact, fixed contact is connected with one end of the first fixed terminal, housing exterior is stretched out in one end that first fixed terminal is not connected with fixed contact, the one end be flexible coupling connects moving contact, the other end be flexible coupling is connected with the second fixed terminal, second fixed terminal does not stretch out housing exterior with the one end be connected that is flexible coupling, vacuum interrupter side is located at by operating mechanism.
Wherein, the termination of conductive cores is provided with multiple bending curved surface.
Wherein, multiple bending curved surface side-looking undulate.
Wherein, the first fixed terminal and the second fixed terminal are column structure.
Wherein, shell is ceramic package or plastic shell or glass shell.Pottery, plastic cement and glass have good electrical insulating property, avoid the possibility of the present invention's electric leakage, and pottery, plastic cement and chemical durability of glass are good; corrosion resistant; moisture resistance, extend useful life of the present invention, and each parts of enclosure are played a very good protection.
Beneficial effect of the present invention: the first fixed terminal of the present invention and the second fixed terminal are set to and electronic box electrode connection points, electronic box electrode cable is connected the first fixed terminal being exposed to housing exterior and the second fixed terminal respectively, just the electric connection of the present invention and electronic box electrode can be realized, convenient and swift, first fixed terminal and the second fixed terminal outside are provided with insulating coating, reduce Electrical Discharge Machine meeting, thus the safe distance shortened between adjacent component, safe distance is decreased to is less than 10cm by the 30cm that is not less than of original copper sheet as splicing ear, for vacuum interrupter and Electrode connection save large quantity space, and the tie point of vacuum arc-extinguishing chamber contact is located at the outside of vacuum circuit-breaker by the present invention, make vacuum interrupter can be sealed in shell with operating mechanism and miscellaneous part, thus realize primary cut-out integration, miniaturized, the each seal parts of the present invention is in enclosure, highly integrated, is convenient to install and move, and portion forms low vacuum space in the enclosure, decreases the chance that each parts are corroded, extends long service life, safe and reliable.
Cable connector shown in the present invention and Fig. 4 with the use of, flexibly and fast, and be easy for installation and maintenance, be applicable to the fields such as large-scale electronic box, steamer.
Accompanying drawing explanation
Utilize accompanying drawing to be described further invention, but the embodiment in accompanying drawing does not form any limitation of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is the structural representation of a kind of integrated small high-pressure vacuum breaker of the present invention;
Fig. 2 is the arrangement architecture schematic diagram of vacuum interrupter;
Fig. 3 be a kind of integrated small high-pressure vacuum breaker of the present invention and cable connector with the use of state diagram;
Fig. 4 is the cutaway view of A in Fig. 3;
Fig. 5 is the structural representation of conduction connector and locking member.
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 comprises shell 1, first fixed terminal 2, second fixed terminal 6 and the vacuum interrupter 3 be sealed in shell 1, operating mechanism 4 and be flexible coupling 5, first fixed terminal 2 comprises conductive cores 21 and insulating coating 22, conductive cores 21 is wrapped in insulating coating 22, second fixed terminal 6 is identical with the first fixed terminal 2 structure, vacuum interrupter 3 comprises fixed contact 31 and moving contact 32, fixed contact 31 is connected with one end of the first fixed terminal 2, it is outside that shell 1 is stretched out in one end that first fixed terminal 2 is not connected with fixed contact 31, be flexible coupling 5 one end connect moving contact 32, be flexible coupling 5 the other end be connected with the second fixed terminal 6, second fixed terminal 6 does not stretch out shell 1 with 5 one end be connected that are flexible coupling outside, vacuum interrupter 3 side is located at by operating mechanism 4.
Wherein, the termination of conductive cores 21 is provided with multiple bending curved surface, be convenient to cable connector 7 with the use of.
Wherein, multiple bending curved surface side-looking undulate, increases the contact area with cable connector 7, makes to be connected firmly.
Wherein, the first fixed terminal 2 and the second fixed terminal 6 are column structure.Be convenient to various cable connector 7 with the use of, increase flexibility, and column structure does not have sharp edge, reduces the possibility of acute angle electric discharge, reduces potential safety hazard.
Wherein, shell 1 is ceramic package.Pottery has good electrical insulating property, avoid the possibility of the present invention's electric leakage, and ceramic chemistry has good stability, corrosion resistant, moisture resistance, extends useful life of the present invention, and plays a very good protection to each parts of shell 1 inside.
First fixed terminal 2 of the present invention and the second fixed terminal 6 are set to and electronic box electrode 8 tie point, electronic box electrode 8 is connected respectively the first fixed terminal 2 and the second fixed terminal 6 being exposed to housing exterior, just the electric connection of the present invention and electronic box electrode 8 can be realized, convenient and swift, first fixed terminal 2 and the second fixed terminal 6 outside are provided with insulating coating, reduce Electrical Discharge Machine meeting, thus the safe distance shortened between adjacent component, safe distance is decreased to is less than 10cm by the 30cm that is not less than of original copper sheet as splicing ear, large quantity space is saved for vacuum interrupter 3 is connected with electrode 8, and the tie point of vacuum interrupter 3 contact is located at the outside of vacuum circuit-breaker shell 1 by the present invention, make vacuum interrupter 3 can be sealed in shell with operating mechanism 4 and miscellaneous part, thus realize primary cut-out integration, miniaturized, the each seal parts of the present invention is in enclosure, highly integrated, is convenient to install and move, and portion forms low vacuum space in the enclosure, decreases the chance that each parts are corroded, extends long service life, safe and reliable.
By cable connector 7 shown in the present embodiment and Fig. 4 with the use of, cable connector 7 comprises elastic insulated overcoat 71, conduction connector 72 and the locking member 73 being sheathed on conduction connector 72, conduction connector 72 is column structure, conduction connector 71 two ends offer the first connector 721 and the second connector 722 respectively, second connector 722 is one-body molded by four staies 7221, first connector 721 is hollow tubular structure, in using state, elastic insulated hermetically sealed case 1 is sheathed on conduction connector 72 and locking member 73 periphery, stay 7221 inner surface is provided with multiple tooth bar, locking member 73 is locking nut, elastic insulated hermetically sealed case 1 is silicone rubber seal overcoat.The second connector 722 is stretched in conductive cores 21 termination of the first fixed terminal 2, between the tooth bar sticking into stay 7221, screws locking nut 73, conductive cores 21 can be lock onto in the second connector 722.Sidewall between conductive cores 21 termination and tooth bar forms an interaction force, conductive cores 21 termination and tooth bar 2111 are close to mutually, compact siro spinning technology, and the waveform curved surface of conductive cores 21 termination adds the contact area with the second connector 722, ensure that the fastness that the first fixed terminal 2 is connected with the second connector 722; Electronic box electrode wires 8 stretches into the first connector 721, the first connector 721 is flattened by external force, electronic box electrode wires 8 is pressed in the first connector 721, then elastic insulated hermetically sealed case 71 is sheathed on the outer surface of conduction connector 72 and locking member 73, elastic insulated hermetically sealed case 73 natural shrinking parcel conduction connector 72 and locking member 73, and with insulating coating 22 compact siro spinning technology of the first fixed terminal 2, realize comprehensive to exterior insulation from the present invention to what be connected with electronic box electrode 8, reduce external Electrical Discharge Machine meeting, safe and reliable.
Volume of the present invention is little, saves space, highly integrated, is convenient to install and move, and long service life, flexibly and fast, safe and reliable, be applicable to the technical fields such as large-scale electronic box, steamer.
Finally should be noted that; above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although done to explain to the present invention with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to technical scheme of the present invention or equivalent replacement, and not depart from essence and the scope of technical solution of the present invention.
Claims (5)
1. an integrated small high-pressure vacuum breaker, it is characterized in that: comprise shell (1), first fixed terminal (2), second fixed terminal (6) and the vacuum interrupter (3) be sealed in shell (1), operating mechanism (4) and be flexible coupling (5), described first fixed terminal (2) comprises conductive cores (21) and insulating coating (22), conductive cores (21) is wrapped in insulating coating (22), described second fixed terminal (6) is identical with the first fixed terminal (2) structure, described vacuum interrupter (3) comprises fixed contact (31) and moving contact (32), described fixed contact (31) is connected with one end of the first fixed terminal (2), it is outside that shell (1) is stretched out in one end that described first fixed terminal (2) is not connected with fixed contact (31), the one end of described be flexible coupling (5) connects moving contact (32), the other end of (5) of being flexible coupling is connected with the second fixed terminal (6), it is outside that shell (1) is stretched out in one end that described second fixed terminal (6) is not connected be flexible coupling (5), vacuum interrupter (3) side is located at by described operating mechanism (4).
2. a kind of integrated small high-pressure vacuum breaker according to claim 1, is characterized in that: the termination of described conductive cores (21) is provided with multiple bending curved surface.
3. a kind of integrated small high-pressure vacuum breaker according to claim 2, is characterized in that: described multiple bending curved surface side-looking undulate.
4. a kind of integrated small high-pressure vacuum breaker according to any one of claims 1 to 3, is characterized in that: described first fixed terminal (2) and the second fixed terminal (6) are column structure.
5. a kind of integrated small high-pressure vacuum breaker according to claim 1, is characterized in that: described shell (1) is ceramic package 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 true CN105304399A (en) | 2016-02-03 |
| CN105304399B 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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120321A (en) * | 2018-02-06 | 2019-08-13 | 浙江圣曦电气股份有限公司 | A kind of hermetic type low-voltage circuit breaker |
| CN111584298A (en) * | 2020-07-06 | 2020-08-25 | 广东电网有限责任公司东莞供电局 | High-reliability high-voltage vacuum circuit breaker |
| CN111627747A (en) * | 2020-06-29 | 2020-09-04 | 成都彩佳角商贸有限公司 | Vacuum circuit breaker |
Citations (6)
| 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 |
| 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 |
| 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 |
-
2015
- 2015-12-02 CN CN201510868732.7A patent/CN105304399B/en active Active
Patent Citations (6)
| 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 |
| 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 |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110120321A (en) * | 2018-02-06 | 2019-08-13 | 浙江圣曦电气股份有限公司 | A kind of hermetic type low-voltage circuit breaker |
| 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 |
| CN111584298A (en) * | 2020-07-06 | 2020-08-25 | 广东电网有限责任公司东莞供电局 | High-reliability high-voltage vacuum circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105304399B (en) | 2019-11-08 |
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