CN105762007A - Side-installed high-voltage vacuum circuit breaker - Google Patents
Side-installed high-voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN105762007A CN105762007A CN201610182286.9A CN201610182286A CN105762007A CN 105762007 A CN105762007 A CN 105762007A CN 201610182286 A CN201610182286 A CN 201610182286A CN 105762007 A CN105762007 A CN 105762007A
- Authority
- CN
- China
- Prior art keywords
- base
- main shaft
- divide
- mutual inductor
- sequence current
- 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.)
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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
- H01H33/666—Operating arrangements
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a side-installed high-voltage vacuum circuit breaker comprising a base and three posts on the base. A power-incoming binding post, a vacuum arc-extinguishing chamber with a fixed contact and a movable contact, and an insulating pull bar connected with the movable contact are successively arranged on each post from top to bottom. The middle of each post is provided with a power-outgoing binding post electrically connected with the corresponding movable contact. Each power-incoming binding post is electrically connected with the fixed contact of the corresponding vacuum arc-extinguishing chamber. The base is equipped with an opening and closing main shaft and three connecting lever assemblies on the opening and closing main shaft. Each connecting lever assembly is connected with a corresponding insulating pull bar. The outer side of the housing of the base is provided with an operation mechanism for driving the opening and closing main shaft to rotate. The operation mechanism drives the opening and closing main shaft to rotate in reciprocating way so as to further synchronously drive, by the three connecting lever assemblies, the three insulation pull bars to motion in a reciprocating way along the up-down direction so as to perform closing and opening. The side-installed high-voltage vacuum circuit breaker can be used in a conventional switch cabinet and a ring main unit and effectively decreases manufacture cost.
Description
Technical field
The invention belongs to high voltage electric equipment technical field, be specifically related to a kind of side-mounted high-pressure vacuum breaker.
Background technology
Traditional post vacuum high-voltage circuit breaker, its structure generally comprises base, three poles being arranged on base and arrange operating mechanism in the base；Each pole is sequentially provided with along direction from top to bottom into electric connecting terminals, has static contact and the vacuum interrupter of moving contact and the insulated tension pole being connected with moving contact；The middle part of each pole is additionally provided with and goes out electric connecting terminals with a corresponding moving contact electrically connects；Respectively enter the static contact electrical connection of electric connecting terminals and a corresponding vacuum interrupter；Operating mechanism includes divide-shut brake main shaft, be arranged on divide-shut brake main shaft three connecting lever assemblies and operating mechanism in the base is set；Each connecting lever assembly is connected with a corresponding insulated tension pole；Operating mechanism drives divide-shut brake main shaft to move back and forth in the horizontal direction, and then drives three insulated tension poles to move back and forth up and down by three connecting lever component synchronization, thus realizing divide-shut brake action.Post vacuum high-voltage circuit breaker this kind traditional, its structure and manufacturing process are comparatively ripe, existing use practice for many years, have good reliability.
The primary cut-out used in current switch cubicle and ring main unit, generally uses the comparatively special inflated type primary cut-out of structure or vacuum high-pressure chopper, and its price is comparatively high；Because being subject to the restriction of cabinet and mode of operation thereof, cause traditional post vacuum high-voltage circuit breaker, it is impossible to be applied in switch cubicle and ring main unit, thus causing holding at high price of existing switch cubicle and ring main unit.
Summary of the invention
It is an object of the invention to provide a kind of side-mounted high-pressure vacuum breaker being applied in switch cubicle or ring main unit.
The technical scheme realizing the object of the invention is: a kind of side-mounted high-pressure vacuum breaker, including base and three poles being arranged on base；Each pole is sequentially provided with along direction from top to bottom into electric connecting terminals, has static contact and the vacuum interrupter of moving contact and the insulated tension pole being connected with moving contact；The middle part of each pole is additionally provided with and goes out electric connecting terminals with a corresponding moving contact electrically connects；Respectively enter the static contact electrical connection of electric connecting terminals and a corresponding vacuum interrupter；Three the connecting lever assemblies be provided with divide-shut brake main shaft in base, being arranged on divide-shut brake main shaft, each connecting lever assembly is connected with a corresponding insulated tension pole；The operating mechanism for driving divide-shut brake main axis it is provided with outside base housing；Operating mechanism drives divide-shut brake main shaft reciprocating rotation, and then drives three insulated tension poles to move back and forth along the vertical direction by three connecting lever component synchronization to carry out divide-shut brake action.
In such scheme, respectively going out to be arranged with on electric connecting terminals a voltage transformer, three go out also to be arranged with on electric connecting terminals a zero sequence current mutual inductor.
In such scheme, each voltage transformer center is provided with cable perforation, zero sequence current mutual inductor also is provided with through hole, the through hole of zero sequence current mutual inductor is all just arranged by the cable perforation of three voltage transformers, respectively goes out electric connecting terminals and sequentially passes through the through hole of zero sequence current mutual inductor and the cable perforation of a corresponding voltage transformer.
In such scheme, three voltage transformers and a zero sequence current mutual inductor are wholely set；Three voltage transformers and a zero sequence current mutual inductor are encapsulated in same insulation crust.
In such scheme, insulation crust also has three insulating supporting loop bars of downwardly projecting extension, and each insulating supporting loop bar outer wall is provided with anti-creep full skirt, and each insulating supporting loop bar bottom center place is provided with trepanning；Base outer wall is provided with three rigidity poles of L-shaped；The upper end of each rigidity pole is plugged in the trepanning of a corresponding insulating supporting loop bar.
The present invention on the basis of high-pressure vacuum breaker, improves the position of its operating mechanism in conventional post, changes its mode of operation, so that product of the present invention can be applied in traditional switch cubicle and ring main unit, effectively reduces manufacturing cost.
Accompanying drawing explanation
Fig. 1 is a kind of perspective view of the present invention；
Fig. 2 is a kind of perspective view when removing part shell wall of the vacuum circuit breaker shown in Fig. 1；
Fig. 3 be vacuum circuit breaker shown in Fig. 1 when removing part shell wall from another angle observe time a kind of perspective view；
Fig. 4 is the close-up schematic view at A place in Fig. 3；
Fig. 5 is a kind of sectional view of vacuum circuit breaker shown in 1；
Fig. 6 is a kind of perspective view when three voltage transformers and zero sequence current mutual inductor combination in vacuum circuit breaker shown in Fig. 1；
Fig. 7 be three voltage transformers shown in Fig. 6 and zero sequence current mutual inductor combination from another angle observe time a kind of perspective view；
Fig. 8 is three voltage transformers shown in Fig. 6 and a kind of internal structure schematic diagram of zero sequence current mutual inductor combination.
Detailed description of the invention
(embodiment 1)
Fig. 1 to Fig. 8 shows a kind of detailed description of the invention of the present invention.
The present embodiment is a kind of side-mounted high-pressure vacuum breaker, sees shown in Fig. 1 to Fig. 8, including base 1 and three poles 2 being arranged on base；Each pole is sequentially provided with along direction from top to bottom into electric connecting terminals 21, has static contact and the vacuum interrupter 22 of moving contact and the insulated tension pole 23 being connected with moving contact；The middle part of each pole is additionally provided with and goes out electric connecting terminals 24 with a corresponding moving contact electrically connects；Respectively enter the static contact electrical connection of electric connecting terminals and a corresponding vacuum interrupter；Three the connecting lever assemblies 4 be provided with divide-shut brake main shaft 3 in base, being arranged on divide-shut brake main shaft, each connecting lever assembly is connected with a corresponding insulated tension pole；The operating mechanism 5 for driving divide-shut brake main axis it is provided with outside base housing；Operating mechanism drives divide-shut brake main shaft reciprocating rotation, and then drives three insulated tension poles to move back and forth along the vertical direction by three connecting lever component synchronization to carry out divide-shut brake action.
Respectively going out to be arranged with on electric connecting terminals a voltage transformer 26, three go out also to be arranged with on electric connecting terminals a zero sequence current mutual inductor 27.
Divide-shut brake main shaft is horizontally disposed, and a sidewall of base housing is stretched out in one end of divide-shut brake main shaft, and operating mechanism is arranged on the outer wall of this sidewall of base.
Operating mechanism includes shell 51 and arranges spring actuating mechanism 52 in the enclosure or magneto actuating mechanism.
Divide-shut brake main shaft stretches out one end 31 of base housing and is provided with driving connecting lever 32, and operating mechanism has and the take-off lever driving connecting lever to be connected, and operating mechanism is driven by take-off lever and drives connecting lever, and then drives divide-shut brake main shaft reciprocating rotation.
Insulated tension pole is provided with buffer spring 25.
Transmission crank arm 41 that each connecting lever assembly includes being fixedly installed on divide-shut brake main shaft, it is fixedly installed on base roof has the enhancing limiting plate 42 of spacing slide opening 421, driver plate 43, upper pin 44 and lower bearing pin 45；The lower end of driver plate is rotatedly connected by lower bearing pin and transmission crank arm, and the upper end of driver plate is rotatedly connected by the bottom of upper pin and a corresponding insulated tension pole；Upper pin is arranged in the spacing slide opening strengthening limiting plate；When transmission crank arm is with divide-shut brake main shaft reciprocating rotation, drive insulated tension pole by driver plate；Under the cooperation of upper pin and spacing slide opening is spacing, insulated tension pole moves back and forth up and down and carries out divide-shut brake action.
The shape of the horizontal cross-section strengthening limiting plate is U-shaped, the lower end of insulated tension pole and the driver plate adaptive to this insulated tension pole are arranged in a corresponding U-lag strengthening limiting plate, the middle-end of upper pin connects the upper end of driver plate and the lower end of insulated tension pole, and the two ends of upper pin are arranged in corresponding spacing slide opening.This kind of structure both can increase reliability during connecting lever assembly transmission, it is also possible to insulated tension pole move up and down make spacing so that in divide-shut brake action, the movement of moving contact will not occur cheaply, effectively postpones its service life.
On the outer wall away from divide-shut brake main shaft one end of operating mechanism shell, it is provided with manual brake separating rotating shaft 54 and closing by hand rotating shaft 55.This structure can so that manual brake separating rotating shaft and closing by hand rotating shaft are positioned at the front of switch cubicle or ring network cabinet body, with meet its use operation requirement.
Each voltage transformer center is provided with cable perforation 261, zero sequence current mutual inductor 27 also is provided with through hole, the through hole of zero sequence current mutual inductor is all just arranged by the cable perforation of three voltage transformers, respectively goes out electric connecting terminals and sequentially passes through the through hole of zero sequence current mutual inductor and the cable perforation of a corresponding voltage transformer；Three voltage transformers 26 and a zero sequence current mutual inductor 27 in the present embodiment are wholely set；Three voltage transformers and a zero sequence current mutual inductor are encapsulated in same insulation crust 28；This insulation crust 28 also has three insulating supporting loop bars 281 of downwardly projecting extension, and each insulating supporting loop bar outer wall is provided with anti-creep full skirt 282, and each insulating supporting loop bar bottom center place is provided with trepanning 283；Base outer wall is provided with three rigidity poles 11 of L-shaped；The upper end of each rigidity pole is plugged in the trepanning 283 of a corresponding insulating supporting loop bar.It is comparatively compact that this structure has structure, effectively reduces the advantage taken up room；Additionally also there is preferably steadiness.
The present invention has following Advantageous Effects: (1) present invention is by being arranged on chassis outer side operating mechanism, so that this kind of structure is usable in switch cubicle and ring main unit, owing to the structure of this kind of vacuum circuit breaker is comparatively ripe, price is comparatively cheap, thus effectively reducing the holistic cost of switch cubicle and ring main unit.(2) present invention is by being wholely set three voltage transformers and a zero sequence current mutual inductor, thus simplifying the structure of entirety, reducing and taking up room.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the apparent change that these spirit belonging to the present invention are extended out or variation are still among protection scope of the present invention.
Claims (5)
1. a side-mounted high-pressure vacuum breaker, including base and three poles being arranged on base；Each pole is sequentially provided with along direction from top to bottom into electric connecting terminals, has static contact and the vacuum interrupter of moving contact and the insulated tension pole being connected with moving contact；The middle part of each pole is additionally provided with and goes out electric connecting terminals with a corresponding moving contact electrically connects；Respectively enter the static contact electrical connection of electric connecting terminals and a corresponding vacuum interrupter；Three the connecting lever assemblies be provided with divide-shut brake main shaft in base, being arranged on divide-shut brake main shaft, each connecting lever assembly is connected with a corresponding insulated tension pole；It is characterized in that: outside base housing, be provided with the operating mechanism for driving divide-shut brake main axis；Operating mechanism drives divide-shut brake main shaft reciprocating rotation, and then drives three insulated tension poles to move back and forth along the vertical direction by three connecting lever component synchronization to carry out divide-shut brake action.
2. side-mounted high-pressure vacuum breaker according to claim 1, it is characterised in that: respectively going out to be arranged with on electric connecting terminals a voltage transformer, three go out also to be arranged with on electric connecting terminals a zero sequence current mutual inductor.
3. side-mounted high-pressure vacuum breaker according to claim 2, it is characterized in that: each voltage transformer center is provided with cable perforation, zero sequence current mutual inductor also is provided with through hole, the through hole of zero sequence current mutual inductor is all just arranged by the cable perforation of three voltage transformers, respectively goes out electric connecting terminals and sequentially passes through the through hole of zero sequence current mutual inductor and the cable perforation of a corresponding voltage transformer.
4. side-mounted high-pressure vacuum breaker according to claim 3, it is characterised in that: three voltage transformers and a zero sequence current mutual inductor are wholely set；Three voltage transformers and a zero sequence current mutual inductor are encapsulated in same insulation crust.
5. side-mounted high-pressure vacuum breaker according to claim 4, it is characterized in that: insulation crust also has three insulating supporting loop bars of downwardly projecting extension, each insulating supporting loop bar outer wall is provided with anti-creep full skirt, and each insulating supporting loop bar bottom center place is provided with trepanning；Base outer wall is provided with three rigidity poles of L-shaped；The upper end of each rigidity pole is plugged in the trepanning of a corresponding insulating supporting loop bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610182286.9A CN105762007A (en) | 2016-03-28 | 2016-03-28 | Side-installed high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610182286.9A CN105762007A (en) | 2016-03-28 | 2016-03-28 | Side-installed high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105762007A true CN105762007A (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610182286.9A Pending CN105762007A (en) | 2016-03-28 | 2016-03-28 | Side-installed high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105762007A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742109A (en) * | 2016-03-28 | 2016-07-06 | 苏刚印 | Side-mounting type high-voltage vacuum circuit breaker |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5600112A (en) * | 1995-07-07 | 1997-02-04 | S & C Electric Company | Bushing assembly with circuit interrupters including polyphase operating mechanism |
| CN201877381U (en) * | 2010-12-09 | 2011-06-22 | 上海德力西集团有限公司 | Outdoor high-voltage alternating-current demarcation breaker |
| CN202363347U (en) * | 2011-11-03 | 2012-08-01 | 北京电研华源电力技术有限公司 | Packed pole for outdoor vacuum circuit breaker |
| CN202534938U (en) * | 2012-03-28 | 2012-11-14 | 贵阳供电局 | High-voltage distribution switch with built-in three-phase combined electronic current and voltage mutual inductor |
| CN202695269U (en) * | 2012-05-20 | 2013-01-23 | 西安兴汇电力科技有限公司 | Intelligent self-energy-fetching vacuum circuit breaker |
| CN103050321A (en) * | 2011-10-17 | 2013-04-17 | 周惠明 | Mutual inductor outdoor high voltage vacuum circuit breaker |
| CN203232841U (en) * | 2013-05-08 | 2013-10-09 | 河北国文电气设备有限公司 | Intelligent vacuum circuit breaker configured with independent zero-sequence current transformer |
| CN103745875A (en) * | 2013-11-12 | 2014-04-23 | 天津威乐斯机电有限公司 | Structure of side-installed vacuum circuit breaker |
| CN105742109A (en) * | 2016-03-28 | 2016-07-06 | 苏刚印 | Side-mounting type high-voltage vacuum circuit breaker |
-
2016
- 2016-03-28 CN CN201610182286.9A patent/CN105762007A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5600112A (en) * | 1995-07-07 | 1997-02-04 | S & C Electric Company | Bushing assembly with circuit interrupters including polyphase operating mechanism |
| CN201877381U (en) * | 2010-12-09 | 2011-06-22 | 上海德力西集团有限公司 | Outdoor high-voltage alternating-current demarcation breaker |
| CN103050321A (en) * | 2011-10-17 | 2013-04-17 | 周惠明 | Mutual inductor outdoor high voltage vacuum circuit breaker |
| CN202363347U (en) * | 2011-11-03 | 2012-08-01 | 北京电研华源电力技术有限公司 | Packed pole for outdoor vacuum circuit breaker |
| CN202534938U (en) * | 2012-03-28 | 2012-11-14 | 贵阳供电局 | High-voltage distribution switch with built-in three-phase combined electronic current and voltage mutual inductor |
| CN202695269U (en) * | 2012-05-20 | 2013-01-23 | 西安兴汇电力科技有限公司 | Intelligent self-energy-fetching vacuum circuit breaker |
| CN203232841U (en) * | 2013-05-08 | 2013-10-09 | 河北国文电气设备有限公司 | Intelligent vacuum circuit breaker configured with independent zero-sequence current transformer |
| CN103745875A (en) * | 2013-11-12 | 2014-04-23 | 天津威乐斯机电有限公司 | Structure of side-installed vacuum circuit breaker |
| CN105742109A (en) * | 2016-03-28 | 2016-07-06 | 苏刚印 | Side-mounting type high-voltage vacuum circuit breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742109A (en) * | 2016-03-28 | 2016-07-06 | 苏刚印 | Side-mounting type high-voltage vacuum circuit breaker |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160713 |
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| RJ01 | Rejection of invention patent application after publication |