CN201985025U - Fixed alternating-current high-voltage vacuum contactor and fuse combined electric apparatus - Google Patents
Fixed alternating-current high-voltage vacuum contactor and fuse combined electric apparatus Download PDFInfo
- Publication number
- CN201985025U CN201985025U CN2011201398662U CN201120139866U CN201985025U CN 201985025 U CN201985025 U CN 201985025U CN 2011201398662 U CN2011201398662 U CN 2011201398662U CN 201120139866 U CN201120139866 U CN 201120139866U CN 201985025 U CN201985025 U CN 201985025U
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- China
- Prior art keywords
- fuse
- vacuum contactor
- voltage vacuum
- high voltage
- electric apparatus
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- Expired - Fee Related
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Abstract
The utility model relates to a fixed alternating-current high-voltage vacuum contactor and fuse combined electric apparatus which has a short circuit protection function and can be operated frequently, a baseboard, an alternating-current high-voltage vacuum contactor and a fuse. The fixed alternating-current high-voltage vacuum contactor and fuse combined electric apparatus is characterized in that: an interlocking mechanism, an opening/closing mechanism and a box; a vacuum arc extinguishing chamber is arranged in the box; the baseboard, the interlocking mechanism, the opening/closing mechanism, the box and the vacuum arc extinguishing chamber are organically assembled into the alternating-current high-voltage vacuum contactor; a mounting box is fixed at the upper part of the box; the fuse is arranged in the mounting box; and the alternating-current high-voltage vacuum contactor is electrically connected with the fuse. In the utility model, the vacuum contact and the high-voltage current limiting fuse are combined together and the advantages that the vacuum contactor is capable of being operated frequently, low in chopping current and long in service life and the current limiting fuse is rapid in short circuit protection action and wide in protection range are fully used, so that the control of a main control becomes simple, safe and reliable.
Description
Technical field
The utility model relates to a kind of fixed AC high voltage vacuum contactor and fuse combined electric apparatus; specifically a kind of being applicable in the high voltage control cabinet, but the fixed AC high voltage vacuum contactor and the fuse combined electric apparatus of the frequent operation of short-circuit protection function had.
Background technology
Existing fixed formula AC high voltage vacuum contactor and fuse combined electric apparatus only are that fixed vacuum contactor is installed on the base plate, on the top of fixed vacuum contactor busbar use in the conduct of lengthening high-tension fuse are installed.There are shortcomings such as overall performance poor stability, unreliable, the last busbar easy fracture of mechanical interlocking and consistency difference in the structure of this split mounting type.
Summary of the invention
The utility model is at above-mentioned the deficiencies in the prior art, provides that a kind of stable performance, overall structure, interlocking are reliable, the fixed AC high voltage vacuum contactor and the fuse combined electric apparatus of highly versatile.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of fixed AC high voltage vacuum contactor and fuse combined electric apparatus, comprise base plate, AC high voltage vacuum contactor and fuse, it is characterized in that: interlocking device, deciliter mechanism and casing are installed on the described base plate; In the described casing vacuum interrupter is installed; Be assembled into described AC high voltage vacuum contactor by base plate, interlocking device, deciliter mechanism, casing and vacuum interrupter are organic; The top of described casing is fixed with mounting box; Described fuse is installed in the described mounting box; Be electrically connected between described AC high voltage vacuum contactor and the described fuse.
The mounted inside of described casing has 3 vacuum interrupters; Connect busbar down on the static conductive rod of described vacuum interrupter, cylinder lever connecting rod on the moving conductive rod of vacuum interrupter, the lower end of pull bar connects described deciliter mechanism, and the rotating shaft of deciliter mechanism is articulated on the casing.
Described mounting box has 3, the fixing busbar of going up of the front end of mounting box, and the mounting box rear end is equipped with fusion tube release and trip link, and the other end of trip link links to each other with described interlocking device.When fusing, the fuse overcurrent makes the contactor separating brake at once.
The left and right sides of described base plate is provided with flange respectively; Frame before the front end of described base plate is fixedly connected; Described flange and described before fixedly install diagonal brace between the frame.
Frame top fixed installation secondary control line bank before described; The lower end of frame is provided with the emergency trip button before described.Panel pad pasting and nameplate sign are posted in the frame front portion before described.
The utility model can be widely used in fields such as industry, service trade, sea-freight; after cooperating suitable fuse; can use in the distribution network of capacity of short circuit up to 800MVA, the utility model is specially adapted to control and protects electric equipments such as motor, transformer, capacitor.
Compared with the prior art the utility model has the following advantages:
1. the utility model adopts the overall structure integrated design, compact conformation, and stable performance, reliable operation need not to guarantee under the condition of often safeguarding its permanent electric and mechanical endurance.
2. the utility model mesohigh fuse is installed in the fusion tube mounting box, be connected with a busbar in the cabinet by busbar up and down, centre-to-centre spacing between busbar is designed to 205 ~ 275mm up and down, spaced apart between the busbar of the left and right sides is designed to 125mm, make this equipment to be used in and substitute common contactor and fuse in 3.6 ~ 12KV system, versatility is fabulous.
3. the utility model is combined vacuum contactor and high-voltage and current-limitation fuse; having given full play to vacuum contactor can frequent operation, shut off value is low, the life-span is long and fast, the wide advantage of protection range of current limiting fuse short-circuit protection action, makes the control of main circuit become simple and reliable.
4. mechanical interlocking of the present utility model is installed on the base plate, guarantees that the contact between vacuum contactor, the high-voltage and current-limitation fuse is integrated and whole interactive, even when this device can guarantee to have only a phase fuse, also can make the contactor intertrip.Equally, if when a phase fuse is not installed, this device can prevent that also contactor from closing a floodgate, and guarantees that phase-deficient operation does not take place major loop.Make the safe and reliable to operation of main circuit.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the vertical view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
As Fig. 1 ~ shown in Figure 3, the utility model comprises base plate 1, AC high voltage vacuum contactor and fuse 18, it is characterized in that: interlocking device 2, deciliter mechanism 3 and casing 4 are installed on the described base plate 1; In the described casing 4 vacuum interrupter 5 is installed; Be assembled into described AC high voltage vacuum contactor by base plate 1, interlocking device 2, deciliter mechanism 3, casing 4 and vacuum interrupter 5 are organic; The top of described casing 4 is fixed with mounting box 8; In the described mounting box 8 described fuse 18 is installed; Be electrically connected between described AC high voltage vacuum contactor and the described fuse 18.
The mounted inside of described casing 4 has 3 vacuum interrupters 5; Connect busbar 6 down on the static conductive rod of described vacuum interrupter 5, cylinder lever connecting rod 7 on the moving conductive rod of vacuum interrupter 5, and the lower end of pull bar 7 connects described deciliter mechanism 3, and the rotating shaft of deciliter mechanism 3 is articulated on the casing 4.The head of following busbar 6 is connected with following busbar in the control cubicle by connecting copper bar.
Described mounting box 8 has 3, the fixing busbar 9 of going up of the front end of mounting box 8, and mounting box 8 rear ends are equipped with fusion tube release 10 and trip link 11, and the other end of trip link 11 links to each other with described interlocking device 2.The head of last busbar 9 is connected with last busbar in the control cubicle by connecting copper bar.
The left and right sides at base plate 1 is provided with flange 19 respectively; Frame 13 before the front end of base plate 1 is fixedly connected; Between flange 19 and preceding frame 13, fixedly install diagonal brace 14; Frame 13 was firmly also vertical with base plate 2 before described diagonal brace 14 was guaranteed.Preceding frame 13 tops fixed installation secondary control line bank 12; Before the lower end of frame 13 emergency trip button 15 is set so that use during emergency.
Panel pad pasting 16 and nameplate sign 17 are posted in former frame 13 front portions.
Claims (6)
1. fixed AC high voltage vacuum contactor and fuse combined electric apparatus, comprise base plate (1), AC high voltage vacuum contactor and fuse (18), it is characterized in that: interlocking device (2), deciliter mechanism (3) and casing (4) are installed on the described base plate (1); Vacuum interrupter (5) is installed in the described casing (4); Be assembled into described AC high voltage vacuum contactor by base plate (1), interlocking device (2), deciliter mechanism (3), casing (4) and vacuum interrupter (5) are organic; The top of described casing (4) is fixed with mounting box (8); Described fuse (18) is installed in the described mounting box (8); Be electrically connected between described AC high voltage vacuum contactor and the described fuse (18).
2. according to described fixed AC high voltage vacuum contactor of claim 1 and fuse combined electric apparatus, it is characterized in that: the mounted inside of described casing (4) has 3 vacuum interrupters (5); Connect busbar (6) down on the static conductive rod of described vacuum interrupter (5), cylinder lever connecting rod (7) on the moving conductive rod of vacuum interrupter (5), the lower end of pull bar (7) connects described deciliter mechanism (3), and the rotating shaft of deciliter mechanism (3) is articulated on the casing (4).
3. according to described fixed AC high voltage vacuum contactor of claim 1 and fuse combined electric apparatus, it is characterized in that: described mounting box (8) has 3, the fixing busbar (9) of going up of the front end of mounting box (8), mounting box (8) rear end is equipped with fusion tube release (10) and trip link (11), and the other end of trip link (11) links to each other with described interlocking device (2).
4. according to described fixed AC high voltage vacuum contactor of claim 1 and fuse combined electric apparatus, it is characterized in that: the left and right sides of described base plate (1) is provided with flange (19) respectively; Frame (13) before the front end of described base plate (1) is fixedly connected; Described flange (19) and described before fixedly install diagonal brace (14) between the frame (13).
5. according to described fixed AC high voltage vacuum contactor of claim 4 and fuse combined electric apparatus, it is characterized in that: frame (13) top fixed installation secondary control line bank (12) before described; The lower end of frame (13) is provided with emergency trip button (15) before described.
6. according to described fixed AC high voltage vacuum contactor of claim 5 and fuse combined electric apparatus, it is characterized in that: panel pad pasting (16) and nameplate sign (17) are posted in frame (13) front portion before described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201398662U CN201985025U (en) | 2011-05-05 | 2011-05-05 | Fixed alternating-current high-voltage vacuum contactor and fuse combined electric apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201398662U CN201985025U (en) | 2011-05-05 | 2011-05-05 | Fixed alternating-current high-voltage vacuum contactor and fuse combined electric apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201985025U true CN201985025U (en) | 2011-09-21 |
Family
ID=44612481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201398662U Expired - Fee Related CN201985025U (en) | 2011-05-05 | 2011-05-05 | Fixed alternating-current high-voltage vacuum contactor and fuse combined electric apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201985025U (en) |
-
2011
- 2011-05-05 CN CN2011201398662U patent/CN201985025U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20160505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |