CN201629513U - Centered withdraw type alternating current high-voltage switchgear for combination of high-voltage vacuum contactor and fuse - Google Patents
Centered withdraw type alternating current high-voltage switchgear for combination of high-voltage vacuum contactor and fuse Download PDFInfo
- Publication number
- CN201629513U CN201629513U CN201020117936XU CN201020117936U CN201629513U CN 201629513 U CN201629513 U CN 201629513U CN 201020117936X U CN201020117936X U CN 201020117936XU CN 201020117936 U CN201020117936 U CN 201020117936U CN 201629513 U CN201629513 U CN 201629513U
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- fuse
- vacuum contactor
- chamber
- combination
- pole
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- 230000003068 static effect Effects 0.000 claims abstract description 6
- 239000012212 insulator Substances 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims 2
- 239000004020 conductor Substances 0.000 claims 1
- 239000003822 epoxy resin Substances 0.000 abstract description 4
- 229920000647 polyepoxide Polymers 0.000 abstract description 4
- 238000010125 resin casting Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model relates to a centered withdraw type alternating current high-voltage switchgear for a combination of a high-voltage vacuum contactor and a fuse, which comprises a switchgear cabinet. A cable chamber is arranged at the bottom of the cabinet, a vacuum contactor, a fuse chamber and a bus chamber are respectively arranged in the front and the at the rear of the upper portion of the cable chamber, a low-voltage chamber is arranged above the vacuum contactor and the fuse chamber, embedded poles are arranged in the combination of the high-voltage vacuum contactor and the fuse, each embedded pole consists of a vacuum arc-extinguishing chamber and a epoxy resin casting, a movable contact arm is mounted at the static end of the pole, a movable contact is arranged at the front end of the movable contact arm, the movable contact is communicated with a static contact seat in a lower contact box when the combination is located at a working position, the embedded poles are mounted in a three phase parallel form, are connected with a fuse insulating tube upwards, and the movable end of each embedded pole is connected with a conductive portion of the fuse insulating tube via soft connection. In addition, a movable contact is arranged at the front end of the fuse insulating tube, and the movable contact is communicated with a static contact seat in an upper contact box when the combination is located at the working position.
Description
[technical field]
The utility model relates to a kind of mid-withdraw-type high voltage switchgear, refers in particular to the mid-withdraw-type high voltage switchgear of a kind of high-pressure vacuum contactor and fuse combination.
[background technology]
In press that (the high voltage switchgear the eighties in last century of vacuum contactor of 3.6kV～12kV) and fuse combination begins to use, and is mainly used in the more frequent place of operation.Along with the improving constantly and improving of vacuum extinction technology, its application surface is more and more wider, and specification requirement is also more and more higher.Floor space also requires more and more littler.Market was used also more and more wider in the last few years.The high voltage switchgear of old-fashioned vacuum contactor and fuse combination has been difficult to the requirement of competent development.Rated current only is 400A simultaneously, has been difficult to adapt to large user's demand.Though the existing producer of the nineties releases the (high voltage switchgear of vacuum contactor of 3.6kV～7.2kV) and fuse combination, yet the frame mode of the vacuum contactor in the equipment still adopts the mode of parts assemblings such as vacuum interrupter and insulating cylinder, degree of assembling is lower, processing and installation quality are difficult to guarantee, thereby the more difficult control of integral product quality.Because vacuum interrupter, fuse and insulating part are independently element, be difficult to make the volume of vacuum contactor and fuse combination to do forr a short time in addition.Therefore the volume of high voltage switchgear also cannot lower.Its small-sized degree of changing into is not high, also causes the expensive of device fabrication simultaneously.
[summary of the invention]
The purpose of this utility model is to have overcome above-mentioned defective, and a kind of modularized design and compact conformation, long-life, non-maintaining, the high-pressure vacuum contactor of characteristics such as volume is little and mid-withdraw-type high voltage switchgear of fuse combination of adopting is provided.
The purpose of this utility model is achieved in that the mid-withdraw-type high voltage switchgear of a kind of high-pressure vacuum contactor and fuse combination, it comprises the switchgear cabinet, its improvements are: bottom of cabinet bulk is provided with the cable vault, forward and backward vacuum contactor and fuse chamber and the bus-bar room of being provided with in top, cable vault is provided with low-pressure chamber at vacuum contactor and top, fuse chamber; Be provided with pole in described vacuum contactor and the fuse combined electric apparatus, pole by vacuum interrupter and epoxy resin pressed article form, the quiet end of pole is equipped with acting arm, the acting arm front end is equipped with moving contact, combined electrical apparatus moving contact when the service position is communicated with stationary contact headstock in the following contact box, pole three parallels installation, upwards link to each other with the fuse insulating cylinder, the interior moved end of pole is flexible coupling by one and links to each other with fuse insulating cylinder current-carrying part.The front end of fuse insulating cylinder is equipped with moving contact, and combined electrical apparatus moving contact when the service position is communicated with stationary contact headstock in the upper contact head box;
In the said structure, be provided with the three-phase master busbar of arranging in a triangle in the described bus-bar room, three-phase master busbar links to each other with moving contact before the fuse insulating cylinder via upper static contact in the upper contact head box by three-phase branch busbar; The pole moving contact of described vacuum contactor links to each other with current transformer, insulator, cable connector and earthed switch by connecting busbar via fixed contact in the following contact box;
In the said structure, the arc control device part is via fixed contact, connection busbar also are connected with lightning arrester down in the following contact box of described pole;
In the said structure, the corresponding three phase mains of described pole is provided with three groups, and three groups of poles are the flat parallel arranged that crouches at vacuum contactor and fuse chamber;
In the said structure, described vacuum contactor and fuse chamber are provided with guide rail, can be provided with described pole along chassis car and the valve mechanism that guide rail seesaws on it.
Than common high voltage switchgear, the beneficial effects of the utility model are that the beneficial effects of the utility model are to have adopted by low bus-bar room, little bus-bar room, high-pressure vacuum contactor and fuse combined electric apparatus chamber, the mid-withdraw-type AC high-voltage switchgear of cable vault's five standalone module assemblings formation perfect unity.And vacuum contactor and fuse insulating cylinder current-carrying part all are solid envelopes, and current-carrying part all is encapsulated in the insulator of epoxy resin pressure injection, and compared with similar products, volume greatly reduces, and reliability and life-span further improve.Entire product is good except whole employing modular designs, interchangeability, versatility and the standardization level height, guaranteed safety, reliability especially, has filled up world's blank of this type product.
[description of drawings]
Below in conjunction with accompanying drawing in detail concrete structure of the present utility model is described in detail
Fig. 1 is an organigram of the present utility model
Fig. 2 is a structural representation of the present utility model
[embodiment]
Below in conjunction with accompanying drawing the utility model specific embodiment is described in detail.
As shown in Figure 1, the utility model relates to a kind of high-pressure vacuum contactor and fuse high voltage switchgear, it comprises the switchgear cabinet, bottom of cabinet bulk is provided with cable vault 400, cable vault's 400 top front ends are provided with vacuum contactor and fuse combined electric apparatus chamber 300, vacuum contactor and 300 tops, fuse chamber are provided with low-pressure chamber, and rear end, 400 top, cable vault is provided with bus-bar room 200.
Referring to Fig. 2, be provided with vacuum contactor pole 28 and fuse insulating cylinder 30 in described vacuum contactor and the fuse combined electric apparatus 25, the corresponding three phase mains of pole is provided with three groups of A, B, C, three groups of vacuum contactors and pole and fuse insulating cylinder are the flat parallel arranged that crouches, thereby make fuse insulating cylinder current-carrying part 30 and vacuum contactor arc control device part 28 become to be arranged above and below naturally.Pole 28 by vacuum interrupter and epoxy resin pressed article form, the quiet end of pole is equipped with acting arm, the acting arm front end is equipped with moving contact 26, combined electrical apparatus moving contact 26 when the service position is communicated with stationary contact headstock 15 in the following contact box, and pole is flexible coupling by one with the moved end and links to each other with fuse insulating cylinder current-carrying part.The front end of fuse insulating cylinder is equipped with moving contact 29, and combined electrical apparatus moving contact 29 when the service position is communicated with stationary contact headstock 13 in the upper contact head box;
And be provided with three-phase master busbar 6,8,10, three-phase branch busbar 7,9,11 in the bus-bar room 200.Be provided with in the cable vault 400 and connect busbar 18, current transformer 16, insulator 17, cable connector 19 and earthed switch 21.
The three-phase master busbar 6 of bus-bar room 200 wherein, 8,10 arrange in a triangle, three-phase master busbar 6,8,10 by three-phase branch busbar 7,9,11 link to each other with moving contact 29 on vacuum contactor and the fuse combined electric apparatus via upper static contact 13 in the upper contact head box 12, by fuse in the combined electrical apparatus and contactor to lower end moving contact 26 and lower end moving contact 26 via fixed contacts 15 down in the contact box 14 down, connect busbar 18 and current transformer 16, insulator 17, cable connector 19 and earthed switch 21 link to each other, also configurable as required its connects lightning arrester 23, thereby forms a complete major loop.
In addition, also be provided with guide rail 27 at vacuum contactor and fuse chamber 300, be socketed with chassis car 25 on the guide rail, chassis car 25 can seesaw along guide rail 27, this external correspondence position also is provided with valve mechanism 24, the pole that is sealed with fuse insulating cylinder current-carrying part 30 and vacuum contactor arc control device part 28 is installed on this chassis car 25, thereby its integral body seesaws in can be in the vacuum contactor of high voltage switchgear cabinet and fuse chamber 300, thereby reaches conductive site, test position and isolated location.And valve mechanism 24 cuts off fuse insulating cylinder current-carrying part 30 in major loop and the pole and vacuum contactor arc control device part 28 loops when pole arrives test position and isolated location, reaches the safety that guarantees the apparatus insulated level and the person.
It is to be noted; the utility model is not limited to above-mentioned execution mode; any simple modification, equivalent variations and modification that any those skilled in the art do the foregoing description in based on technical solutions of the utility model all belong in the protection range of the present utility model.
Claims (4)
1. the mid-withdraw-type high voltage switchgear of high-pressure vacuum contactor and fuse combination, it comprises the switchgear cabinet, it is characterized in that: bottom of cabinet bulk is provided with the cable vault, forward and backward vacuum contactor and fuse chamber and the bus-bar room of being provided with in top, cable vault is provided with low-pressure chamber at vacuum contactor and top, fuse chamber; Be provided with vacuum contactor pole and fuse insulating cylinder in described vacuum contactor and the fuse combined electric apparatus, the vacuum pole is made up of vacuum interrupter and epoxy pressed article, and the fuse insulating cylinder is made up of electric-conductor and epoxy pressed article.
2. high-pressure vacuum contactor as claimed in claim 1 and fuse high voltage switchgear, it is characterized in that: be provided with the three-phase master busbar of arranging in a triangle in the described bus-bar room, three-phase master busbar links to each other with moving contact on vacuum contactor and the fuse combined electric apparatus via upper static contact in the upper contact head box by three-phase branch busbar; Described vacuum contactor and fuse combined electric apparatus link to each other with current transformer, insulator, cable connector and earthed switch via following fixed contact, connection busbar by lower moving contact, are provided with in the described cable vault to connect busbar, current transformer, insulator, cable connector and earthed switch.
3. the mid-withdraw-type high voltage switchgear of high-pressure vacuum contactor as claimed in claim 1 and fuse combination, it is characterized in that: the corresponding three phase mains of described pole is provided with three groups, and three groups of poles are the flat parallel arranged that crouches in vacuum contactor and fuse combined electric apparatus.
4. the mid-withdraw-type high voltage switchgear of high-pressure vacuum contactor as claimed in claim 1 and fuse combination, it is characterized in that: described vacuum contactor and fuse chamber are provided with guide rail, vacuum contactor and fuse combined electric apparatus and can seesaw along guide rail, reach the work of causing, test, isolate three positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020117936XU CN201629513U (en) | 2010-02-11 | 2010-02-11 | Centered withdraw type alternating current high-voltage switchgear for combination of high-voltage vacuum contactor and fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020117936XU CN201629513U (en) | 2010-02-11 | 2010-02-11 | Centered withdraw type alternating current high-voltage switchgear for combination of high-voltage vacuum contactor and fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201629513U true CN201629513U (en) | 2010-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020117936XU Expired - Lifetime CN201629513U (en) | 2010-02-11 | 2010-02-11 | Centered withdraw type alternating current high-voltage switchgear for combination of high-voltage vacuum contactor and fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201629513U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110956A (en) * | 2010-12-14 | 2011-06-29 | 北京清畅电力技术股份有限公司 | Novel solid insulated switch |
| CN102543548A (en) * | 2012-02-08 | 2012-07-04 | 林春昭 | High-voltage switch with three-phase bodies in triangular distribution and high-voltage switch cabinet |
-
2010
- 2010-02-11 CN CN201020117936XU patent/CN201629513U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102110956A (en) * | 2010-12-14 | 2011-06-29 | 北京清畅电力技术股份有限公司 | Novel solid insulated switch |
| CN102110956B (en) * | 2010-12-14 | 2013-04-17 | 北京清畅电力技术股份有限公司 | Novel solid insulated switch |
| CN102543548A (en) * | 2012-02-08 | 2012-07-04 | 林春昭 | High-voltage switch with three-phase bodies in triangular distribution and high-voltage switch cabinet |
| CN102543548B (en) * | 2012-02-08 | 2014-07-02 | 林春昭 | High-voltage switch with three-phase bodies in triangular distribution and high-voltage switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Three, E (-4), Seaview Plaza, Prince Edward Road, Shenzhen, Guangdong, Nanshan District 526000, China Patentee after: ASIA ELECTRICAL POWER EQUIPMENT (SHENZHEN) CO., LTD. Address before: Three, E (-4), Seaview Plaza, Prince Edward Road, Shenzhen, Guangdong, Nanshan District 526000, China Patentee before: Asia Electrical Power Equipment (Shenzhen) Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101110 |
|
| CX01 | Expiry of patent term |