CN201285996Y - Combined electrical appliance for withdrawn type AC high voltage vacuum contactor and fuse - Google Patents
Combined electrical appliance for withdrawn type AC high voltage vacuum contactor and fuse Download PDFInfo
- Publication number
- CN201285996Y CN201285996Y CNU2008201609445U CN200820160944U CN201285996Y CN 201285996 Y CN201285996 Y CN 201285996Y CN U2008201609445 U CNU2008201609445 U CN U2008201609445U CN 200820160944 U CN200820160944 U CN 200820160944U CN 201285996 Y CN201285996 Y CN 201285996Y
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- fuse
- vacuum contactor
- high voltage
- voltage vacuum
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Abstract
The utility model relates to a withdrawable alternating current high-voltage vacuum contactor and fuse combined electrical apparatus which is suitable for a high-voltage control cabinet, can be manually shaken in and out, has the function of short circuit protection, and can be frequently operated, comprising a chassis vehicle, an alternating current high-voltage vacuum contactor and a fuse. A bottom plate is fixed on the chassis vehicle, and an interlocking mechanism, a division and combination mechanism and a box body are arrange don the bottom plate. The box body is internally provided with a vacuum arc extinguishing chamber, the bottom plate, the interlocking mechanism, the division and combination mechanism, the box body and the vacuum arc extinguishing chamber are organically assembled to form the alternating current high-voltage vacuum contactor, an installing box is fixed at the upper part of the box body, the fuse is installed in the installing box, and the alternating current high-voltage vacuum contactor is electrically connected with the fuse. The utility model integrates the vacuum contactor and the high-voltage current limiting fuse together, fully exerts the advantages of frequent operation, low chopping current value and long service life of the vacuum contactor, and uses the current limiting fuse for the short circuit protection, thereby the control of a main circuit is simple and reliable.
Description
Technical field
The utility model relates to a kind of withdraw-type AC high voltage vacuum contactor-fuse combined electric apparatus; specifically a kind of being applicable in the high voltage control cabinet, but the expert shake the frequent operation that into shakes out, have short-circuit protection function withdraw-type AC high voltage vacuum contactor-fuse combined electric apparatus.
Background technology
Existing withdraw-type AC high voltage vacuum contactor-fuse combined electric apparatus only is fixed vacuum contactor to be installed on the car of chassis remove use, on the top of fixed vacuum contactor contact arm use in the conduct of lengthening high-tension fuse is installed.The structure of this split mounting type, exist overall performance poor stability, mechanical interlocking unreliable, go up shortcomings such as contact arm easy fracture and universal performance be narrow.
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 withdraw-type 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 withdraw-type AC high voltage vacuum contactor and fuse combined electric apparatus, comprise chassis car, AC high voltage vacuum contactor and fuse, be fixed with base plate on the car of described chassis, interlocking device, deciliter mechanism and casing are installed on the base plate, vacuum interrupter is installed in the casing, have that base plate, interlocking device, deciliter mechanism, casing and vacuum interrupter are organic to be assembled into described AC high voltage vacuum contactor, the top of casing is fixed with mounting box, described fuse is installed in the mounting box, is electrically connected between described AC high voltage vacuum contactor and the described fuse.
The mounted inside of described casing has 3 vacuum interrupters, connects contact arm down on the static conductive rod of vacuum interrupter, cylinder lever connecting rod on the moving conductive rod of vacuum interrupter, and the lower end of pull bar connects described deciliter mechanism, and the rotating shaft of deciliter mechanism is articulated on the casing.The described head of contact arm down is provided with the plum blossom fingertip.
Described mounting box has 3, the fixing contact arm of going up of the front end of mounting box, and the rear end of mounting box is equipped with fusion tube release and trip link, and the other end of trip link links to each other with described interlocking device.The described head of going up contact arm is provided with the fingertip of plum blossom shape.
The left and right sides of described base plate is fixed with door knob, frame before the front portion of base plate connects, and an end of diagonal brace connects door knob, and the other end of diagonal brace is fixedly on the former frame.On the frame emergency trip button is installed before described.Post panel pad pasting and nameplate sign on the frame 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, contact by plum blossom fingertip on the copper contact arm up and down and the static contact finger in the control cubicle, guaranteed not easy fracture of last contact arm intensity height, and the three-phase left and right sides centre-to-centre spacing of contact arm is designed to two kinds of 150mm and 210mm, centre-to-centre spacing between contact is designed to 275mm up and down, promptly constitute 150 * 275 and 210 * 275 2 kinds of forms, make this equipment and VS1 circuit breaker and common contactor compatibility, versatility is fabulous.
3. the utility model is combined vacuum contactor and high-voltage and current-limitation fuse, and having given full play to vacuum contactor can frequent operation, low long advantage and the current limiting fuse of life-span of shut off value made short-circuit protection, makes the control of main circuit to become simple and reliable.
4. mechanical interlocking of the present utility model is installed on the base plate, guarantee that the contact between vacuum contactor, high-voltage and current-limitation fuse, the chassis car three 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.This equipment is in work or test position, and when contactor closed a floodgate, interlocking mechanism prevented that the chassis car from shaking into and shakes out.And the chassis car shake into shake out the way in, contactor is cut off closing circuit and can not closes a floodgate.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is that A among Fig. 2 is to view.
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 chassis car 1, AC high voltage vacuum contactor and fuse.The chassis car is equipped with wheel 1 time, and handle is equipped with in the front, makes things convenient for shaking into of chassis car 1 to shake out.Be fixed with base plate 2 on the chassis car 1, interlocking device 3, deciliter mechanism 4 and casing 5 are installed on the base plate 2.Vacuum interrupter 6 is installed in the casing 5, and the top of casing 5 is fixed with mounting box 10, and described fuse is installed in the mounting box 10, is electrically connected between described AC high voltage vacuum contactor and the described fuse.
The mounted inside of described casing 5 has three vacuum interrupters 6, connect contact arm 7 down on the static conductive rod of vacuum interrupter 6, cylinder lever connecting rod 9 on the moving conductive rod of vacuum interrupter 6, and the lower end of pull bar 9 connects deciliter mechanism 4, and the rotating shaft of deciliter mechanism 4 is articulated on the casing 5.The head of following contact arm 7 is provided with plum blossom fingertip 8.Plum blossom fingertip 8 on the following contact arm 7 and the static contact finger in the control cubicle contact.
Described mounting box 10 has three, the fixing contact arm 11 of going up of the front end of mounting box 10, and mounting box 10 rear ends are equipped with fusion tube release 12 and trip link 13, and the other end of trip link 13 links to each other with interlocking device 3.The head of last contact arm 11 is provided with plum blossom fingertip 8.Plum blossom fingertip 8 on the last contact arm 11 and the static contact finger in the control cubicle contact, and have guaranteed not easy fracture of last contact arm 11 intensity height.
The left and right sides of described base plate 2 is fixed with door knob 14, frame 15 before the front portion of base plate 2 connects, and an end of diagonal brace 16 connects door knob 14, and the other end of diagonal brace 16 is fixedly on the former frame 15.On the preceding frame 15 emergency trip button 17 is installed.Post panel pad pasting 18 and nameplate sign 19 on the preceding frame 15.
Claims (8)
1. withdraw-type AC high voltage vacuum contactor and fuse combined electric apparatus, comprise chassis car (1), AC high voltage vacuum contactor and fuse, it is characterized in that: be fixed with base plate (2) on the described chassis car (1), interlocking device (3) is installed on the base plate (2), deciliter mechanism (4) and casing (5), vacuum interrupter (6) is installed in the casing (5), base plate (2) is arranged, interlocking device (3), deciliter mechanism (4), casing (5) and vacuum interrupter (6) are assembled into described AC high voltage vacuum contactor, the top of casing (5) is fixed with mounting box (10), mounting box is equipped with described fuse in (10), is electrically connected between described AC high voltage vacuum contactor and the described fuse.
2. according to described withdraw-type AC high voltage vacuum contactor of claim 1 and fuse combined electric apparatus, it is characterized in that: the mounted inside of described casing (5) has 3 vacuum interrupters (6), connect contact arm (7) down on the static conductive rod of vacuum interrupter (6), cylinder lever connecting rod (9) on the moving conductive rod of vacuum interrupter (6), the lower end of pull bar (9) connects described deciliter mechanism (4), and the rotating shaft of deciliter mechanism (4) is articulated on the casing (5).
3. according to described withdraw-type AC high voltage vacuum contactor of claim 2 and fuse combined electric apparatus, it is characterized in that: the described head of contact arm (7) down is provided with the fingertip (8) of plum blossom shape.
4. according to described withdraw-type AC high voltage vacuum contactor of claim 1 and fuse combined electric apparatus, it is characterized in that: described mounting box (10) has 3, the fixing contact arm (11) of going up of the front end of mounting box (10), mounting box (10) rear end is equipped with fusion tube release (12) and trip link (13), and the other end of trip link (13) links to each other with described interlocking device (3).
5. according to described withdraw-type AC high voltage vacuum contactor of claim 4 and fuse combined electric apparatus, it is characterized in that: the described head of going up contact arm (11) is provided with the fingertip (8) of plum blossom shape.
6. according to described withdraw-type 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 (2) is fixed with door knob (14), frame (15) before the front portion of base plate (2) connects, one end of diagonal brace (16) connects door knob (14), and the other end of diagonal brace (16) is fixedly on the former frame (15).
7. according to described withdraw-type AC high voltage vacuum contactor of claim 6 and fuse combined electric apparatus, it is characterized in that: on the frame (15) emergency trip button (17) is installed before described.
8. according to described withdraw-type AC high voltage vacuum contactor of claim 7 and fuse combined electric apparatus, it is characterized in that: post panel pad pasting (18) and nameplate sign (19) on the frame (15) before described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201609445U CN201285996Y (en) | 2008-11-03 | 2008-11-03 | Combined electrical appliance for withdrawn type AC high voltage vacuum contactor and fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201609445U CN201285996Y (en) | 2008-11-03 | 2008-11-03 | Combined electrical appliance for withdrawn type AC high voltage vacuum contactor and fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201285996Y true CN201285996Y (en) | 2009-08-05 |
Family
ID=40950964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201609445U Expired - Fee Related CN201285996Y (en) | 2008-11-03 | 2008-11-03 | Combined electrical appliance for withdrawn type AC high voltage vacuum contactor and fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201285996Y (en) |
-
2008
- 2008-11-03 CN CNU2008201609445U patent/CN201285996Y/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: 20090805 Termination date: 20161103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |