CN201812731U - Decussate fully-screened vacuum circuit breaker - Google Patents
Decussate fully-screened vacuum circuit breaker Download PDFInfo
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- CN201812731U CN201812731U CN2010202398434U CN201020239843U CN201812731U CN 201812731 U CN201812731 U CN 201812731U CN 2010202398434 U CN2010202398434 U CN 2010202398434U CN 201020239843 U CN201020239843 U CN 201020239843U CN 201812731 U CN201812731 U CN 201812731U
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- circuit breaker
- vacuum
- arc extinguishing
- vacuum circuit
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Abstract
The utility model discloses a decussate fully-screened vacuum circuit breaker which relates to high pressure switching devices and comprises three insulating columns with cavities, and a box body provided with an operating mechanism and a controller, wherein a vacuum arc extinguishing chamber is arranged in the cavity of every insulating column; a static end in every vacuum arc extinguishing chamber is electrically connected with a conducting connector of a first outgoing line; a dynamic end which can move in the vacuum arc extinguishing chamber moves forwards and then is electrically connected with a conducting connector of a second outgoing line; the conducting connectors of the first outgoing lines on the three insulating columns are arranged at the front ends of the vacuum arc extinguishing chambers and positioned on the same line with the central axes of the vacuum arc extinguishing chambers; the conducting connectors of the second outgoing lines on the three insulating columns are arranged at the tail ends of the vacuum arc extinguishing chambers, are perpendicular to the vacuum arc extinguishing chambers and are in a decussate shape with the vacuum arc extinguishing chambers; and the conducting connectors of the outgoing lines are arranged on two sides of every vacuum arc extinguishing chamber. The decussate fully-screened vacuum circuit breaker has the benefits of simple structure and novel design, as the same connectors can be respectively connected with the conducting connectors of the outgoing lines on two sides of every vacuum arc extinguishing chamber, and the mutual interference can not be caused. Therefore, the additional mounting of a branch bus bar is not needed, the structure is quite simplified, and the cost of equipment is saved. And the insulating columns are integrally molded and sealed externally, can be contacted directly and can be mounted and used in water, and the serviceable range of the vacuum circuit breaker is greatly expanded.
Description
Technical field
The utility model relates to a kind of high voltage switching device, specifically is a kind of cross full-shielded vacuum circuit breaker.
Background technology
At present, present stage, existing high-pressure vacuum breaker was made of vacuum interrupter and galvanic circle, outer field silastic cord breaker and epoxy resin layer etc., this high-pressure vacuum breaker in use, the outside phenomenon that always has leakage current takes place, can only be installed on the pillar when therefore installing out of doors, but continuous transformation along with urban distribution network, overhead wire originally is converted into underground cable, controller switching equipment also will turn to undergroundly for this reason, and just needed a kind of all insulation and hermetic vacuum switch this moment.
China Patent No. is 03230964.3, name is called " tangibly vacuum circuit-breaker " and discloses a kind of surface at original epoxy resin layer and add one semiconductor layer, the outer surface of semiconductor layer also is provided with the ternary third rubber-covered screen, reach all insulation and totally-enclosed structure with this, make vacuum circuit-breaker have protection against the tide, corrosion resistant characteristics, but switch can manually touch under band point situation.Specifically can be referring to shown in Figure 1; but such vacuum circuit-breaker; semiconductor layer does not carry out ground protection between insulation screen and epoxy resin layer; therefore as long as exist leakage current will make outside insulation screen have floating potential in the vacuum circuit-breaker; also the phenomenon that shocks by electricity can occur when human body touches, security performance is not fine.Exist also simultaneously that the contact site is not a good electrical contact between the casing of semiconductor layer and vacuum circuit-breaker, also have certain potential safety hazard.
In order better to overcome the above problems, China Patent No. is 200920000827.7, name is called " tangibly vacuum circuit-breaker " and then improves and disclose a kind of the electrical connection with water conservancy diversion less than 4 ohm the electric installation that is used for ground connection at semiconductor layer and resistance and go out to exist floating potential on the semiconductor layer, well solved the leakage current problem that exists on the vacuum circuit-breaker outside, people's phenomenon that when touching, can not shock by electricity.Though but we find that after use the integral sealing of vacuum circuit-breaker and insulation effect are good, but vacuum circuit-breaker all is with three groups of insulated column A, B, C constitutes, outlet conducting end on three groups of insulated columns looks point-blank from the side, referring to shown in Figure 2, and A, B, outlet conducting end on the C insulated column is respectively the joint of three-phase, if single installation vacuum circuit-breaker the time, only need be with A, B, the outlet conducting end of three groups of insulated columns of C connects into respectively in each phase splitter and can finish, do not demonstrated any inconvenience part this moment, but now because the load that requires in the power transmission and transformation line is increasing, frequent meeting is used a plurality of vacuum circuit-breakers is merged the back use, after merging, because A, B, the position of C insulated column point-blank, as shown in Figure 3, will cause busbar to be not easy to connect, so in order to satisfy A, B, the consistency of each outlet conducting end joint of C insulated column, just need be by three groups of branch line busbars being set with the A on each vacuum circuit-breaker, B, the outlet conducting end of C insulated column is drawn the back respectively and is being linked together with busbar, insert in the phase splitter then, reach the order of use, so just make complex structure when a plurality of vacuum circuit-breakers are installed, waste raw material, increased the cost of equipment.
The utility model content
The technical problem that the utility model solved is to provide a kind of novel structure, cross vacuum circuit-breaker easy to use.
The technical problem that the utility model solved realizes by the following technical solutions:
A kind of cross full-shielded vacuum circuit breaker, comprise that three-phase has the insulated column and the casing that operating mechanism and controller are housed of cavity, described three phase isolated post is arranged on the outer wall of casing after side by side, in the cavity of every phase insulated column and the operating mechanism of the inside of casing be connected by insulated tension pole, and in the cavity of described every phase insulated column, vacuum interrupter is set, the indoor quiet end of described vacuum extinction is electrically connected with the first outlet conductive contact, can after moving forward, be electrically connected in the indoor mobile moved end of described vacuum extinction with the second outlet conductive contact, it is characterized in that: the first outlet conductive contact on the described three phase isolated post is arranged at the front end of vacuum interrupter, with the central axis of vacuum interrupter on a line, the second outlet conductive contact on the described three phase isolated post is arranged at the end of vacuum interrupter, be cross-shaped perpendicular to vacuum interrupter and vacuum interrupter, the outlet conductive contact places the both sides of vacuum interrupter.
The insulated column that described three-phase has cavity is respectively A phase insulated column, B phase insulated column and C insulated column mutually.
The periphery of described three phase isolated post is provided with semiconductor layer, and is one-body molded between described semiconductor layer and the described three phase isolated post, and described semiconductor layer is covered described three phase isolated post fully.
Be connected with insulating sealer on the described insulated tension pole, described insulating sealer is made of two parts, and a part is extensile insulating sealer, and a part is fixing insulating sealer.
Described fixing insulating sealer is sealed in the junction of described insulated column and casing by bonding agent, and an end and casing join, and an end of the other end and extensile insulating sealer joins.
Another end of described extensile insulating sealer is connected the top of insulated tension pole, described extensile insulating sealer undulate on insulated tension pole, when being used for insulated tension pole and moving forward, extensile insulating sealer also can move forward simultaneously, remains sealing.
Described extensile insulating sealer and fixing insulating sealer are made by silicon rubber, ethylene propylene diene rubber or modified polymer material.
The utility model in use, owing to vertically be provided with between second outlet conductive contact on the three phase isolated post and the vacuum interrupter, be cross, when the multi-group vacuum circuit breaker used side by side, the homophase joint that connects each insulation circuit breaker can connect by cross outlet conductive contact both sides respectively.
The beneficial effects of the utility model are simple in structure, novel in design, because the joint of homophase can connect respectively from the outlet conductive contact of vacuum interrupter both sides, the phase mutual interference can not occur, therefore just do not need to install in addition the branch line busbar, structurally ten minutes simplifies, saved the cost of equipment, and insulated column is global formation sealing outward, can directly touches, and can install and use the very big scope of application of having expanded vacuum circuit-breaker under water.
Description of drawings
Fig. 1 is a vacuum circuit breaker constructions schematic diagram in the prior art;
Fig. 2 is the structural representation of vacuum circuit-breaker in the another kind of prior art;
Fig. 3 is with a plurality of back side by side of the vacuum circuit-breaker among Fig. 2 structural representation;
Fig. 4 is the vacuum circuit breaker constructions schematic diagram of three-phase abnormity joint of the present utility model;
Fig. 5 is the side schematic view of Fig. 4;
The insulating sealer that 1-three phase isolated post, 2-casing, 3-semiconductor layer, 11-insulation railing, 12-vacuum interrupter, the 13-first outlet conductive contact, the 14-second outlet conductive contact, 15-insulating sealer, the extensile insulating sealer of 151-, 152-fix among the figure.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 4 and Figure 5, a kind of cross full-shielded vacuum circuit breaker, comprise that three-phase has the insulated column 1 and the casing 2 that operating mechanism and controller are housed of cavity, the insulated column 1 that three-phase has cavity is respectively A phase insulated column, B phase insulated column and C be insulated column mutually, A phase insulated column and C insulated column mutually are positioned at the both sides of B phase insulated column, with the A phase, B mutually with C mutually insulated column be arranged on the outer wall of casing 2 after side by side, in the cavity of every phase insulated column and the operating mechanism of the inside of casing 2 be connected by insulated tension pole 11, and vacuum interrupter 12 is set in the cavity of every phase insulated column, wherein the quiet end in the vacuum interrupter 12 is electrically connected with the first outlet conductive contact 13, the moved end that can move in vacuum interrupter 12 is electrically connected with the second outlet conductive contact 14 after moving, wherein the first outlet conductive contact 13 on the three phase isolated post is connected in the front end of vacuum interrupter 12, with the central axis of vacuum interrupter 12 on a line, the second outlet conductive contact 14 on the three phase isolated post is connected in the end of vacuum interrupter 12, perpendicular to being cross cross-like between vacuum interrupter 12 and the vacuum interrupter 12, the second outlet conductive contact 14 just in time places the both sides of vacuum interrupter 12, all can be connected on the busbar on the second outlet conductive contact 14 of both sides.
As shown in Figure 5, be provided with semiconductor layer 3 uniformly in the periphery of the insulated column 1 of three-phase, one-body molded between the insulated column 1 of semiconductor layer 3 and three-phase, semiconductor layer 3 is covered fully the insulated column 1 of three-phase.Be connected with insulating sealer 15 on the insulated tension pole 11, insulating sealer 15 is made of two parts, a part is extensile insulating sealer 151, a part is fixing insulating sealer 152, wherein extensile insulating sealer 151 and fixing insulating sealer 152 are made by modified polymer material, fixing insulating sealer 152 is sealed in the junction of the insulated column 1 and the casing 2 of three-phase by bonding agent, one end and casing 2 join, an end of the other end and extensile insulating sealer 151 joins, at extensile insulating sealer 151 1 ends with after fixing 152 1 ends of insulating sealer are connected, another end of extensile insulating sealer 151 is connected the top of insulated tension pole 11, extensile insulating sealer 151 undulate on insulated tension pole 11, when being used for insulated tension pole 11 and moving forward, extensile insulating sealer 151 also can move forward simultaneously, remains sealing.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. cross full-shielded vacuum circuit breaker, comprise that three-phase has the insulated column and the casing that operating mechanism and controller are housed of cavity, described three phase isolated post is arranged on the outer wall of casing after side by side, in the cavity of every phase insulated column and the operating mechanism of the inside of casing be connected by insulated tension pole, and in the cavity of described every phase insulated column, vacuum interrupter is set, the indoor quiet end of described vacuum extinction is electrically connected with the first outlet conductive contact, can after moving forward, be electrically connected in the indoor mobile moved end of described vacuum extinction with the second outlet conductive contact, it is characterized in that: the first outlet conductive contact on the described three phase isolated post is arranged at the front end of vacuum interrupter, with the central axis of vacuum interrupter on a line, the second outlet conductive contact on the described three phase isolated post is arranged at the end of vacuum interrupter, be cross-shaped perpendicular to vacuum interrupter and vacuum interrupter, the outlet conductive contact places the both sides of vacuum interrupter.
2. according to the described cross full-shielded vacuum circuit breaker of claim 1, it is characterized in that: the insulated column that described three-phase has cavity is respectively A phase insulated column, B phase insulated column and C insulated column mutually.
3. according to the described cross full-shielded vacuum circuit breaker of claim 1, it is characterized in that: the periphery of described three phase isolated post is provided with semiconductor layer, one-body molded between described semiconductor layer and the described three phase isolated post, described semiconductor layer is covered described three phase isolated post fully.
4. according to the described cross full-shielded vacuum circuit breaker of claim 1, it is characterized in that: be connected with insulating sealer on the described insulated tension pole, described insulating sealer is made of two parts, and a part is extensile insulating sealer, and a part is fixing insulating sealer.
5. according to the described cross full-shielded vacuum circuit breaker of claim 4, it is characterized in that: described fixing insulating sealer is sealed in the junction of described insulated column and casing by bonding agent, one end and casing join, and an end of the other end and extensile insulating sealer joins.
6. according to the described cross full-shielded vacuum circuit breaker of claim 4, it is characterized in that: another end of described extensile insulating sealer is connected the top of insulated tension pole.
7. according to the described cross full-shielded vacuum circuit breaker of claim 4, it is characterized in that: described extensile insulating sealer undulate on insulated tension pole.
8. according to the described cross full-shielded vacuum circuit breaker of claim 4, it is characterized in that: described extensile insulating sealer and fixing insulating sealer are made by silicon rubber, ethylene propylene diene rubber or modified polymer material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202398434U CN201812731U (en) | 2010-06-28 | 2010-06-28 | Decussate fully-screened vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202398434U CN201812731U (en) | 2010-06-28 | 2010-06-28 | Decussate fully-screened vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201812731U true CN201812731U (en) | 2011-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202398434U Expired - Fee Related CN201812731U (en) | 2010-06-28 | 2010-06-28 | Decussate fully-screened vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201812731U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859662A (en) * | 2010-06-28 | 2010-10-13 | 郑文秀 | Cross full-shielded vacuum circuit breaker |
| CN102231344A (en) * | 2011-06-09 | 2011-11-02 | 上海天灵开关厂有限公司 | Epoxy solid-sealed terminal post for three-phase integrated arc extinguish chamber |
| CN102522253A (en) * | 2011-12-02 | 2012-06-27 | 泉州七星电气有限公司 | Improved vacuum circuit-breaker pole |
-
2010
- 2010-06-28 CN CN2010202398434U patent/CN201812731U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101859662A (en) * | 2010-06-28 | 2010-10-13 | 郑文秀 | Cross full-shielded vacuum circuit breaker |
| CN102231344A (en) * | 2011-06-09 | 2011-11-02 | 上海天灵开关厂有限公司 | Epoxy solid-sealed terminal post for three-phase integrated arc extinguish chamber |
| CN102231344B (en) * | 2011-06-09 | 2016-09-07 | 上海天灵开关厂有限公司 | Three-phase integrated arc-chutes epoxy resin seal pole |
| CN102522253A (en) * | 2011-12-02 | 2012-06-27 | 泉州七星电气有限公司 | Improved vacuum circuit-breaker pole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20110628 |