CN204088119U - A kind of fixed high-pressure vacuum switch with isolating switch - Google Patents
A kind of fixed high-pressure vacuum switch with isolating switch Download PDFInfo
- Publication number
- CN204088119U CN204088119U CN201420527923.8U CN201420527923U CN204088119U CN 204088119 U CN204088119 U CN 204088119U CN 201420527923 U CN201420527923 U CN 201420527923U CN 204088119 U CN204088119 U CN 204088119U
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- switch
- isolating switch
- pressure vacuum
- isolating
- fixed
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- 238000002955 isolation Methods 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 230000003068 static effect Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Abstract
A kind of fixed high-pressure vacuum switch with isolating switch, comprise high-pressure vacuum switch pole and operating mechanism case, also comprise isolating switch, described isolating switch comprises fixed contact, isolating switch moving contact, isolator operation axle and isolation switch insulation support under isolating switch upper static contact, isolating switch; Isolating switch moving contact is fixedly connected with isolator operation axle; Isolating switch upper static contact is located at the top of isolation switch insulation support, is fixed as one with the upper end junction block of vacuum switch; Under isolating switch, fixed contact is located on high-pressure vacuum switch pole on junction block, is fixed as one with junction block on high-pressure vacuum switch pole.After adopting technique scheme, a kind of fixed high-pressure vacuum switch with isolating switch of the utility model, is combined in one, greatly reduces the production of relevant device, installation and adjustment work by vacuum switch and isolating switch; Needing can add up when not needing during isolating switch cancels this function, can realize different power supply plans.
Description
Technical field
The utility model relates to high voltage power distribution technical field, is specifically related to a kind of fixed high-pressure vacuum switch with isolating switch.
Background technology
Fixed high-pressure high-pressure vacuum switch (comprising high-pressure vacuum breaker, high-voltage vacuum load switch and high-pressure vacuum contactor) and isolating switch are two kinds of most important maximum high pressure components and parts also in high voltage power distributing cabinet and equipment, and wherein high-pressure vacuum switch is used to carry out the breaking-closing operating in normal electricity consumption situation to high voltage electric equipment and supply line is carried out to the electrical equipment of power operation under the failure condition such as overcurrent and short circuit; Because the vacuum interrupter in vacuum switch is closed, the state of its on/off switch with the naked eye cannot be seen intuitively.Isolating switch is that we isolate supply line and equipment when overhauling supply line and power consumption equipment, and provides a visible cut-off point, and then a kind of High-Voltage Electrical Appliances of the personal safety of guarantee operating personnel.That is, power transmission and the power failure of high voltage supply circuit and equipment have been come by high-pressure vacuum switch, and the personal safety of operating personnel does the guarantee of another road by isolating switch, and both are indispensable.Characteristic due to isolating switch determines that it can not on-load separating brake, so the on/off switch operating sequence of these two kinds of switches has strict restriction, require during combined floodgate that isolating switch first closes, vacuum switch closes again; The first separating brake of vacuum switch is required, separating brake after isolating switch during separating brake.
In existing electric power system, fixed high-pressure vacuum switch and isolating switch are independently two kinds of electric elements, so be arranged on different positions in high-tension switch cabinet, can be the lower end at high-pressure vacuum switch according to the needs of distribution system, also can in the upper end of vacuum switch; Independent operation but need reciprocal interlock, there is following shortcoming: because two kinds of switches are independently elements, must and switch cubicle in other element as instrument transformer and sensor electric and mechanical aspects do in size effectively and the cooperation of safety, the increase of number of elements means that the volume of switch cubicle increases; In order to ensure both proper operation orders, necessarily giving and installing complicated interlocking device between the two additional, adding extra work to the production of switch cubicle and debugging; By the restriction of volume, the scheme of electric power flexibility of high-tension switch cabinet is to restriction.
Utility model content
For above problem, the utility model provides a kind of fixed high-pressure vacuum switch with isolating switch.
The utility model is achieved through the following technical solutions:
A kind of fixed high-pressure vacuum switch with isolating switch, comprise high-pressure vacuum switch pole and operating mechanism case, also comprise isolating switch, described isolating switch comprises fixed contact, isolating switch moving contact, isolator operation axle and isolation switch insulation support under isolating switch upper static contact, isolating switch; Isolation switch insulation support and isolator operation axle are arranged on the top of high-pressure vacuum switch pole by isolating switch installing rack, and isolator operation axle and operating mechanism case are in transmission connection, and isolating switch moving contact is fixedly connected with isolator operation axle; Isolating switch upper static contact is located at the top of isolation switch insulation support, is fixed as one with the upper end junction block of vacuum switch; Under isolating switch, fixed contact is located on high-pressure vacuum switch pole on junction block, is fixed as one with junction block on high-pressure vacuum switch pole.
Further, described isolating switch and the layout of vacuum switch pole on operating mechanism case can be also can be laterally longitudinal.
Further, described isolation switch insulation support is semi-circular.
After adopting technique scheme, the beneficial effects of the utility model are: 1) vacuum switch and isolating switch are combined in one, the two function unites two into one, fabricated structure, needing can add up when not needing during isolating switch cancels this function, use flexibly convenient, different power supply plans can be realized; 2) volume is little, lightweight, more environmental protection; 3) interlocking device between two kinds of switches is placed in same operating mechanism case, fabricated structure, apart from little, significantly reduces the production of relevant device, installation and adjustment work.
Accompanying drawing explanation
Fig. 1 is that isolating switch and vacuum switch pole keep apart the configuration state schematic front view of closing and closing when relative mechanism case is longitudinally arranged on operating mechanism case;
Fig. 2 is that isolating switch and vacuum switch pole keep apart the configuration state schematic side view of closing and closing when relative mechanism case is longitudinally arranged on operating mechanism case;
Fig. 3 is that isolating switch and vacuum switch pole keep apart the configuration state schematic side view turning off and open when relative mechanism case is longitudinally arranged on operating mechanism case.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
embodiment:with a fixed high-pressure vacuum switch for isolating switch, as shown in the figure, high-pressure vacuum switch pole 7, operating mechanism case 8 and isolating switch is comprised.Isolating switch comprises fixed contact 6, isolating switch moving contact 5, isolator operation axle 3 and isolation switch insulation support 2 under isolating switch upper static contact 1, isolating switch.Isolation switch insulation support 2 and isolator operation axle 3 are arranged on the top of high-pressure vacuum switch pole 7 by isolating switch installing rack 4, isolator operation axle 3 and operating mechanism case 8 are in transmission connection, and (operating mechanism case 8 can drive isolator operation axle 3 to rotate a certain angle by transmission mechanism, this is the common function action of appliance switch operating mechanism case, no longer the action principle of operating mechanism case 8 is repeated), isolating switch moving contact 5 is fixedly connected with isolator operation axle 3.Isolating switch upper static contact 1 is located at the top of isolation switch insulation support 2, is fixed as one with the upper end junction block of vacuum switch.Under isolating switch, fixed contact 6 is located on the upper junction block of high-pressure vacuum switch pole 7, is fixed as one with junction block on high-pressure vacuum switch pole 7.Isolating switch and the layout of vacuum switch pole 7 on operating mechanism case 8 can be also can be laterally longitudinal.Isolation switch insulation support 2 is semi-circular.
During vacuum switch closing operation, operating mechanism in operating mechanism case 8 first drives isolator operation axle 3 to turn clockwise, and then drive isolating switch moving contact 5 to rotate about 90 degree, the two ends making isolating switch moving contact 5 are respectively with fixed contact 6 reliable contacts under isolating switch upper static contact 1, isolating switch and electrical communication, and isolating switch closes a floodgate; Then, the moving contact 11 of operating mechanism in operating mechanism case 8 again in energizes high-pressure vacuum switch pole 7 and fixed contact 10 phase butt, the upper junction block of high-pressure vacuum switch pole 7 (i.e. fixed contact 6 under isolating switch) and the lower junction block 9 of high-pressure vacuum switch pole 7 are connected, as depicted in figs. 1 and 2 by vacuum interrupter.So far, the upper end junction block (isolating switch upper static contact 1) of vacuum switch and lower junction block 9 are connected by isolating switch and vacuum interrupter.The interlocking device of operating mechanism case 8 inside can ensure that vacuum switch is without combined floodgate when isolating switch does not close a floodgate.
During vacuum switch sub-switching operation, first separated with fixed contact 10 by the moving contact 11 in the operating mechanism energizes high-pressure vacuum switch pole 7 in operating mechanism case 8, the upper junction block (under isolating switch fixed contact 6) of high-pressure vacuum switch pole 7 and the lower junction block 9 of high-pressure vacuum switch pole 7 disconnect.Isolator operation axle 3 is driven to be rotated counterclockwise by the operating mechanism in operating mechanism case 8, and then drive isolating switch moving contact 5 to rotate about 90 degree, the two ends of isolating switch moving contact 5 are made to separate completely with fixed contact 6 under isolating switch upper static contact 1, isolating switch and be parked in horizontal level respectively, isolating switch separating brake, upper and lower two isolation fractures are formed between fixed contact 6, as shown in Figure 3 under isolating switch upper static contact 1 and isolating switch.So far, the upper end junction block (isolating switch upper static contact 1) of vacuum switch and lower junction block 9 are disconnected mutually completely by isolating switch and vacuum interrupter two cut-off points, and the cut-off point that isolating switch is formed is visible, to the power-off instruction that operating personnel one are clear and definite.The interlocking device of operating mechanism case 8 inside can ensure that isolating switch is without separating brake when vacuum switch non-separating brake.
When not needing individually isolating switch in the line, only need to cancel the dynamic and static contact of isolating switch, isolator operation axle, the parts that isolation switch insulation support and isolating switch installing rack etc. are relevant, other parts of vacuum switch are constant.
The foregoing is only preferred embodiment of the present utility model, be not limited to utility model, although be described in detail the utility model with reference to previous embodiment, for the technical staff in wooden field, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (3)
1. the fixed high-pressure vacuum switch with isolating switch, comprise high-pressure vacuum switch pole and operating mechanism case, it is characterized in that: also comprise isolating switch, described isolating switch comprises fixed contact, isolating switch moving contact, isolator operation axle and isolation switch insulation support under isolating switch upper static contact, isolating switch; Isolation switch insulation support and isolator operation axle are arranged on the top of high-pressure vacuum switch pole by isolating switch installing rack, and isolator operation axle and operating mechanism case are in transmission connection, and isolating switch moving contact is fixedly connected with isolator operation axle; Isolating switch upper static contact is located at the top of isolation switch insulation support, is fixed as one with the upper end junction block of vacuum switch; Under isolating switch, fixed contact is located on high-pressure vacuum switch pole on junction block, is fixed as one with junction block on high-pressure vacuum switch pole.
2. the fixed high-pressure vacuum switch of band isolating switch according to claim 1, is characterized in that: described isolating switch and the layout of vacuum switch pole on operating mechanism case can be also can be laterally longitudinal.
3. the fixed high-pressure vacuum switch of band isolating switch according to claim 1 and 2, is characterized in that: described isolation switch insulation support is semi-circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420527923.8U CN204088119U (en) | 2014-09-15 | 2014-09-15 | A kind of fixed high-pressure vacuum switch with isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420527923.8U CN204088119U (en) | 2014-09-15 | 2014-09-15 | A kind of fixed high-pressure vacuum switch with isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204088119U true CN204088119U (en) | 2015-01-07 |
Family
ID=52180801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420527923.8U Expired - Fee Related CN204088119U (en) | 2014-09-15 | 2014-09-15 | A kind of fixed high-pressure vacuum switch with isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204088119U (en) |
-
2014
- 2014-09-15 CN CN201420527923.8U patent/CN204088119U/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: 20150107 Termination date: 20180915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |