CN202150399U - Vacuum circuit breaker - Google Patents
Vacuum circuit breaker Download PDFInfo
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- CN202150399U CN202150399U CN201120291628U CN201120291628U CN202150399U CN 202150399 U CN202150399 U CN 202150399U CN 201120291628 U CN201120291628 U CN 201120291628U CN 201120291628 U CN201120291628 U CN 201120291628U CN 202150399 U CN202150399 U CN 202150399U
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- Prior art keywords
- vacuum interrupter
- vacuum
- switch unit
- driving mechanism
- phase switch
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- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- 239000000725 suspension Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model relates to the field of electricity, particularly to a vacuum circuit breaker. The vacuum circuit breaker comprises three single-phase switch units, wherein each single-phase switch unit further comprises an input end, a vacuum arc extinguish chamber, an output end, a driving mechanism and a transmission mechanism, the vacuum arc extinguish chamber is connected with the output end, the vacuum arc extinguish chamber is connected with the driving mechanism via the transmission mechanism, and a contact of the vacuum arc extinguish chamber makes contact with or is separated from the input end via the driving of the driving mechanism. With a driving unit arranged in each single-phase switch unit, the vacuum circuit breaker is simple in mechanical structure, small in accumulated motion tolerance, short in time spent in switching on and switching off, and small in dispersibility.
Description
Technical field
The utility model relates to electricity field, particularly about a kind of vacuum circuit-breaker.
Background technology
The capacitor group is the most important reactive power source of electric power system, has the idle disappearance of bucking-out system, improves power factor, improves line voltage distribution, improves the important function of power supply quality.But, have a strong impact on the useful life of equipment itself and the stability of system because the special nature of capacitor itself can produce very high transient overvoltage and shove when opening-closing capacitor bank at random.
Traditional its structure of permanent magnetism vacuum circuit-breaker is the shared permanent magnet mechanism of three-phase vacuum interrupter, adopts the connecting rod transmission between permanent magnet mechanism and the vacuum interrupter, and the moving contact that drives vacuum interrupter moves and the breaking-closing operating of realization circuit breaker.The shortcoming of above-mentioned prior art is: a permanent magnet mechanism need could carry out transmission to the three-phase vacuum interrupter through multistage connecting rod, and the cumulative movement tolerance is big, and branch wire time is long and dispersed big.
The utility model content
The utility model embodiment provides a kind of vacuum circuit-breaker, and be used for solving prior art and drive threephase switch respectively by a driving mechanism, complicated in mechanical structure, and also the cumulative movement tolerance is big, the long and dispersed big problem of branch wire time.
The utility model embodiment provides a kind of vacuum circuit-breaker, comprises three single-phase switch unit, and wherein each described single-phase switch unit further comprises again: input, vacuum interrupter, output, driving mechanism, transmission mechanism;
Said vacuum interrupter is connected with said output, and said vacuum interrupter is connected with said driving mechanism through said transmission mechanism, and the contact of said vacuum interrupter contacts with said input or separates under the driving of said driving mechanism.
A further aspect according to the described a kind of vacuum circuit-breaker of the utility model also comprises casing, is used for supporting, fixing said three single-phase switch unit.
Another further aspect according to the described a kind of vacuum circuit-breaker of the utility model; Said single-phase switch unit also comprises current transformer and voltage transformer; Said voltage transformer is parallelly connected with said vacuum interrupter; Obtain the voltage-phase information of said vacuum interrupter, said current transformer is series at said vacuum interrupter or output, obtains current phase information.
Another further aspect according to the described a kind of vacuum circuit-breaker of the utility model; Said vacuum circuit-breaker also comprises controller; Be connected with voltage transformer with the said current transformer of each single-phase switch unit respectively; Obtain said voltage-phase information and current phase information, according to the said driving mechanism action of said voltage-phase information and current phase information Control, the contact of the said vacuum interrupter of control through driving mechanism contacts with said input perhaps and separates.
Another further aspect according to the described a kind of vacuum circuit-breaker of the utility model; When said controller detects said voltage-phase information and is zero point; Controlling said driving mechanism contacts the contact of said vacuum interrupter with said input; When said controller detects said current phase information and is zero point, control said driving mechanism the contact of said vacuum interrupter is separated with said input.
According to another further aspect of the described a kind of vacuum circuit-breaker of the utility model, the driving mechanism of said single-phase switch unit comprises permanent magnet mechanism.
Another further aspect according to the described a kind of vacuum circuit-breaker of the utility model; Said single-phase switch unit comprises, insulating cylinder, vacuum interrupter, conductive clip, be flexible coupling, connecting rod, output, keeper, conductive plate, copper swivel nut, copper nut, insulated tension pole, spring base, touch spring, pull bar, alignment pin, step pin, ring flange, mechanism fall bar, rod end bearing, permanent magnet mechanism;
Said insulating cylinder is processed by insulating material, and one-body molded with said vacuum interrupter;
Said conductive clip is socketed on the moving conductive rod of vacuum interrupter lower end, and the conductive clip both sides are close at the said two ends that are flexible coupling, and with bolt pass be flexible coupling with conductive clip and with said be flexible coupling fastening; Said connecting rod threaded one end is connected on the moving conductive rod of vacuum interrupter lower end, and the other end is threadedly connected to insulated tension pole; On insulating cylinder, said keeper is plugged in the corresponding circular hole of insulating cylinder said output with bolt, and said conductive plate is connected with bolt with output, keeper; Said copper swivel nut passes the hole that is flexible coupling with the conductive plate center, and said copper nut is threaded with the copper swivel nut, makes to be flexible coupling and conductive plate compresses; The inserts of said insulated tension pole lower end passes spring base, touch spring, and drag link sleeve is connected in the inserts of insulated tension pole lower end, and locatees with alignment pin; Said ring flange is threaded with said insulating cylinder, and said mechanism suspension rod is welded in ring flange; Said permanent magnet mechanism is lifted on mechanism's suspension rod and is threaded, and the take-off lever that said rod end bearing screws on the permanent magnet mechanism is also fastening with nut, and said pull bar and said rod end bearing are hinged, and use the step finger setting.
Through the utility model embodiment, a driver element is set in each single-phase switch unit can realizes that mechanical structure is simple, the cumulative movement tolerance is little, and branch wire time is short and dispersed little.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Shown in Figure 1 is a kind of permanent magnetism vacuum circuit breaker constructions sketch map that can be phased of the utility model embodiment;
Shown in Figure 2 is the overall structure figure of a kind of permanent magnetism vacuum circuit-breaker that can be phased of the utility model embodiment;
Shown in Figure 3 is the concrete structure figure of the utility model embodiment single-phase switch unit.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Be illustrated in figure 1 as a kind of permanent magnetism vacuum circuit breaker constructions sketch map that can be phased of the utility model embodiment.
Comprise three single-phase switch elements 100, wherein each single-phase switch element 100 further comprises again: input 101, vacuum interrupter 102, output 103, driving mechanism 104, transmission mechanism 105.
Said vacuum interrupter 102 is connected with said output 103; Said vacuum interrupter 102 is connected with said driving mechanism 104 through said transmission mechanism 105, and the contact of said vacuum interrupter 102 contacts with said input 101 or separates under the driving of said driving mechanism 104.
Said switch element 100 also comprises current transformer 106 and voltage transformer 107; Said voltage transformer is parallelly connected with said vacuum interrupter 102; Obtain the voltage-phase information of said vacuum interrupter 102; Said current transformer 106 is series at said vacuum interrupter 102 or output 103, obtains current phase information.
Said permanent magnetism vacuum circuit-breaker that can be phased also comprises controller 108; Be connected with voltage transformer with the said current transformer of each single-phase switch unit respectively; Obtain said voltage-phase information and current phase information; According to said voltage-phase information and said driving mechanism 104 actions of current phase information Control, the contact of controlling said vacuum interrupter 102 through the transmission of transmission mechanism 105 contacts with said input 101 perhaps and separates.Therefore only drawn the detailed structure of one of them single-phase switch in the drawings, other two single-phase switchs are not drawn because structure is identical, and the current phase signal of single-phase switch and voltage phase signal all output in the controller 108.
Said driving mechanism 104 can be permanent magnet mechanism.
When the said voltage-phase information of said controller 108 detections is zero point (0V); Controlling said driving mechanism 104 contacts the contact of said vacuum interrupter 102 with said input 101; When the said current phase information of said controller 108 detections is zero point (being 0A), controls said driving mechanism 104 contact and the said input of said vacuum interrupter 102 were opened in 101 minutes.
Be illustrated in figure 2 as the overall structure figure of a kind of permanent magnetism vacuum circuit-breaker that can be phased of the utility model embodiment.
Comprise three independent single-phase switch unit 201; Also comprise casing 202; This casing 202 plays the effect of supporting and fixing said single-phase switch unit 201, and each single-phase switch unit 201 all comprises a vacuum interrupter and the single phase permanent magnetic mechanism that drives vacuum interrupter, therefore; Three-phase separate single-phase switch element can be implemented in the different breaking-closing operatings that constantly carry out, to realize selecting synchronously the purpose of phase divide-shut brake.
Wherein each single-phase switch unit 201 is fixedly installed on the said casing 202, and the centre distance between the single-phase switch unit 201 is 280mm, the safe distance of this distance for setting.
For other embodiment; The indicating device and the divide-shut brake position detecting device that can also comprise divide-shut brake are fixedly installed in the said casing; Wherein the indicating device of divide-shut brake and divide-shut brake position detecting device can use equipment of the prior art, in the utility model, repeat no more.
Be illustrated in figure 3 as the concrete structure figure of the utility model embodiment single-phase switch unit.
Single-phase switch unit in above-mentioned accompanying drawing 1 and the accompanying drawing 2 can use the single-phase switch unit in the present embodiment.
Comprise: insulating cylinder 301, vacuum interrupter 302, conductive clip 303, be flexible coupling 304, connecting rod 305, output 306, keeper 307, conductive plate 308, copper swivel nut 309, copper nut 310, insulated tension pole 311, spring base 312, touch spring 313, pull bar 314, alignment pin 315, step pin 316, ring flange 317, mechanism fall bar 318, rod end bearing 319, permanent magnet mechanism 320, input 321.
Said insulating cylinder 301 is processed by insulating material, and one-body molded with said vacuum interrupter 302.
Said conductive clip 303 is socketed on the moving conductive rod of vacuum interrupter 302 lower ends, and conductive clip 303 both sides are close at said 304 the two ends of being flexible coupling, and with two bolts pass in the lump be flexible coupling 304 with conductive clip 303 and it is fastening.Said connecting rod 305 threaded one ends are connected on the moving conductive rod of vacuum interrupter 302 lower ends, and the other end is threadedly connected to insulated tension pole 311.Said output 306 (output) is plugged in the insulating cylinder relevant position, and with bolt on insulating cylinder.Said keeper 307 is plugged in the corresponding circular hole of insulating cylinder.Said conductive plate 308 is connected with output 306, keeper 307 usefulness bolt.Said copper swivel nut 309 pass be flexible coupling 304 with the big hole at conductive plate 308 centers, said copper nut 310 is threaded with the copper swivel nut, make be flexible coupling 304 and conductive plate 308 compress.The inserts of said insulated tension pole 311 lower ends passes spring base 313, touch spring 313, and pull bar 314 is socketed in the inserts of insulated tension pole 311 lower ends, and with alignment pin 315 location.Said ring flange 317 is threaded with said insulating cylinder 301, and said mechanism suspension rod 318 is welded in ring flange 317 relevant positions.Said permanent magnet mechanism 320 is lifted on mechanism's suspension rod 318 and is threaded.Also fastening with nut on the take-off lever of said rod end bearing 319 screw-in permanent magnet mechanisms 320 upper ends, said pull bar 314 and said rod end bearing 318 are hinged, and with step pin 316 location.
Said permanent magnet mechanism 320 drives said vacuum interrupter 302 through the transmission mechanism that is connected with said vacuum interrupter 302 contact contacts with said input 321 or separates the open and close operation that realizes the single-phase switch unit.
Current transformer is gathered current phase signal, can be series at output 306, also can connect with said vacuum interrupter 302; And send the current phase signal of gathering to controller; Voltage transformer is gathered voltage phase signal, is parallel to said vacuum interrupter 302 two ends, and sends voltage phase signal to controller; Controller is when closing operation; Detect the zero crossing of three single-phase switch cell voltage phase places, detect zero point after, controller sends switching signal to three single-phase switch unit respectively; The permanent magnet mechanism of three single-phase switch unit drives insulated tension pole separately and drives the vacuum interrupter moving contact and moves upward and contact the completion closing operation with input; Controller is when sub-switching operation; Detect the zero crossing of three single-phase switch cell current phase places; After detecting zero point; Controller sends sub-gate signal to three single-phase switch unit respectively, and the permanent magnet mechanism of three single-phase switch unit drives insulated tension pole separately and drives the vacuum interrupter moving contact and moves downward with input and separate, and accomplishes sub-switching operation.
Through the utility model embodiment, vacuum circuit-breaker that can be phased is made up of three independences and identical single-phase switch and casing, and module design is easy to assembly; The vacuum interrupter of single-phase switch unit and join single phase permanent magnetic mechanism employing direct drive mode, transmission link is few, and branch wire time is short, and the branch wire time dispersiveness is little; The three-phase vacuum interrupter is driven respectively by three permanent magnet mechanisms, and can be implemented in voltage over zero and close a floodgate, at current phase zero crossing separating brake, and three-phase mutual deviation 120 degree, realize synchronous deciliter purpose.
Above-described embodiment; Purpose, technical scheme and beneficial effect to the utility model have carried out further explain, it should be understood that the above is merely the embodiment of the utility model; And be not used in the protection range that limits the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (7)
1. a vacuum circuit-breaker is characterized in that comprising three single-phase switch unit, and wherein each described single-phase switch unit further comprises again: input, vacuum interrupter, output, driving mechanism, transmission mechanism;
Said vacuum interrupter is connected with said output, and said vacuum interrupter is connected with said driving mechanism through said transmission mechanism, and the contact of said vacuum interrupter contacts with said input or separates under the driving of said driving mechanism.
2. a kind of vacuum circuit-breaker according to claim 1 is characterized in that, also comprises casing, supports, fixes said three single-phase switch unit.
3. a kind of vacuum circuit-breaker according to claim 1; It is characterized in that; Said single-phase switch unit also comprises current transformer and voltage transformer, and said voltage transformer is parallelly connected with said vacuum interrupter, obtains the voltage-phase information of said vacuum interrupter; Said current transformer is series at said vacuum interrupter or output, obtains current phase information.
4. a kind of vacuum circuit-breaker according to claim 3; It is characterized in that; Said vacuum circuit-breaker also comprises controller, is connected with voltage transformer with the said current transformer of each single-phase switch unit respectively, obtains said voltage-phase information and current phase information; According to the said driving mechanism action of said voltage-phase information and current phase information Control, the contact of the said vacuum interrupter of control through driving mechanism contacts with said input perhaps and separates.
5. a kind of vacuum circuit-breaker according to claim 4; It is characterized in that; When said controller detects said voltage-phase information and is zero point; Control said driving mechanism the contact of said vacuum interrupter is contacted with said input, when said controller detects said current phase information and is zero point, control said driving mechanism the contact of said vacuum interrupter is separated with said input.
6. according to any described a kind of vacuum circuit-breaker of claim 1 to 5, it is characterized in that the driving mechanism of said single-phase switch unit comprises permanent magnet mechanism.
7. a kind of vacuum circuit-breaker according to claim 6; It is characterized in that; Said single-phase switch unit comprises, insulating cylinder, vacuum interrupter, conductive clip, be flexible coupling, connecting rod, output, keeper, conductive plate, copper swivel nut, copper nut, insulated tension pole, spring base, touch spring, pull bar, alignment pin, step pin, ring flange, mechanism fall bar, rod end bearing, permanent magnet mechanism;
Said insulating cylinder is processed by insulating material, and one-body molded with said vacuum interrupter;
Said conductive clip is socketed on the moving conductive rod of vacuum interrupter lower end, and the conductive clip both sides are close at the said two ends that are flexible coupling, and with bolt pass be flexible coupling with conductive clip and with said be flexible coupling fastening; Said connecting rod threaded one end is connected on the moving conductive rod of vacuum interrupter lower end, and the other end is threadedly connected to insulated tension pole; On insulating cylinder, said keeper is plugged in the corresponding circular hole of insulating cylinder said output with bolt, and said conductive plate is connected with bolt with output, keeper; Said copper swivel nut passes the hole that is flexible coupling with the conductive plate center, and said copper nut is threaded with the copper swivel nut, makes to be flexible coupling and conductive plate compresses; The inserts of said insulated tension pole lower end passes spring base, touch spring, and drag link sleeve is connected in the inserts of insulated tension pole lower end, and locatees with alignment pin; Said ring flange is threaded with said insulating cylinder, and said mechanism suspension rod is welded in ring flange; Said permanent magnet mechanism is lifted on mechanism's suspension rod and is threaded, and the take-off lever that said rod end bearing screws on the permanent magnet mechanism is also fastening with nut, and said pull bar and said rod end bearing are hinged, and use the step finger setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120291628U CN202150399U (en) | 2011-08-11 | 2011-08-11 | Vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120291628U CN202150399U (en) | 2011-08-11 | 2011-08-11 | Vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202150399U true CN202150399U (en) | 2012-02-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120291628U Expired - Fee Related CN202150399U (en) | 2011-08-11 | 2011-08-11 | Vacuum circuit breaker |
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| Country | Link |
|---|---|
| CN (1) | CN202150399U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280801A (en) * | 2013-05-31 | 2013-09-04 | 国家电网公司 | Paralleling reactor compensation circuit and operation overvoltage managing method |
| CN103489678A (en) * | 2013-10-15 | 2014-01-01 | 电光防爆科技（上海）有限公司 | High-voltage zero point switching load magnetic starter |
| CN111696818A (en) * | 2020-06-23 | 2020-09-22 | 广东电网有限责任公司 | Combined vacuum circuit breaker device |
-
2011
- 2011-08-11 CN CN201120291628U patent/CN202150399U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280801A (en) * | 2013-05-31 | 2013-09-04 | 国家电网公司 | Paralleling reactor compensation circuit and operation overvoltage managing method |
| CN103280801B (en) * | 2013-05-31 | 2015-05-06 | 国家电网公司 | Paralleling reactor compensation circuit and operation overvoltage managing method |
| CN103489678A (en) * | 2013-10-15 | 2014-01-01 | 电光防爆科技（上海）有限公司 | High-voltage zero point switching load magnetic starter |
| CN111696818A (en) * | 2020-06-23 | 2020-09-22 | 广东电网有限责任公司 | Combined vacuum circuit breaker device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20130104 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130104 Address after: 100192 Beijing City, Haidian District Road No. 15 building, Huayuan Qinghe small camp Patentee after: Dianyan Huayuan Power Tech. Co., Ltd., Beijing Patentee after: State Grid Corporation of China Address before: 100192 Beijing City, Haidian District Road No. 15 building, Huayuan Qinghe small camp Patentee before: Dianyan Huayuan Power Tech. Co., Ltd., Beijing |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20140811 |
|
| EXPY | Termination of patent right or utility model |