CN201893278U - Circuit switch device in cable branch box and ring network cabinet - Google Patents
Circuit switch device in cable branch box and ring network cabinet Download PDFInfo
- Publication number
- CN201893278U CN201893278U CN2010206793146U CN201020679314U CN201893278U CN 201893278 U CN201893278 U CN 201893278U CN 2010206793146 U CN2010206793146 U CN 2010206793146U CN 201020679314 U CN201020679314 U CN 201020679314U CN 201893278 U CN201893278 U CN 201893278U
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- energy storage
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Abstract
The utility model relates to a circuit switch device for a power supply and distribution high-voltage and low-voltage switch cabinet of a power system, in particular to a circuit switch device in a cable branch box and a ring network cabinet, which comprises a pole post, an insulating vacuum switch and a spring operation mechanism, wherein the spring operation mechanism adopts a manual energy storing mechanism and an energy storing motor or the combination of the manual energy storing mechanism and the energy storing motor; the energy storing mechanism is in driving connection with a large chain wheel through a small chain wheel (5) which is in driving connection with the energy storing mechanism; a clutch board (33) is arranged on the large chain wheel and is in driving connection with a rotating main shaft through a wheel combination (34); the rotating main shaft is linked with a travel switch (28) through an ejector rod (24) to execute the brake-separating operation; meanwhile, a brake-closing button (20) or a brake tripper (29) is also connected with a brake-closing half shaft (21) in a linking manner; and when a brake-closing spring (15) releases, an interlocking output shaft (37) is driven by a cam (36) to anticlockwise rotate and a vacuum arc extinguishing chamber moving contact is driven by an output pull rod (41) and an insulating pull rod (46) so as to execute the brake-closing operation. By taking a vacuum circuit breaker as cut-off equipment of the circuit, compared with an SF6 load switch structure, the circuit switch device has a compact structure and no pollution.
Description
Technical field
The utility model relates to the high and low pressure switch cubicle of a kind of electric power system confession, distribution, particularly relates to a kind of circuit switching device that is used in cable branch box, the ring main unit.
Background technology
In recent years, have vacuum interrupter switch (circuit breaker) but advantages such as, compact conformation little, environmental protection, long frequent operation of life-span with its volume be widely used in the electric power system distribution field; High voltage cable branch box is widespread usage in city net system just progressively, is specially adapted to the residential quarter for the distribution link, has advantages such as safe, attractive in appearance, that floor space is few.The SF that use in the tradition inflation ring main unit more
6Gas, SF
6Gas is World War II nuclear blast product, because of it has good insulation performance performance and arc extinction performance, has obtained widely applying in the electric power system.Yet just clearly stipulate SF as far back as " Kyodo Protocol book "
6Gas is one of six kinds of greenhouse gas.And show according to U.S.'s science and technology survey data, in recent years the whole world, especially SF in the atmosphere of the Northern Hemisphere
6Gas concentration is ascendant trend linearly, and China's data statistics shows SF in the atmosphere
6Gas content is just with annual 8.7% speed increment.With regard to SF
6Gas, SF
6Molecule is CO to the influence of greenhouse effect
2The 24000-25000 of molecule doubly.CO
2Gas can be in the nature absorption that circulates, and is emitted on SF in the atmosphere
6The gas life-span is about 3400, will calculate with hundred generations the mankind's influence.Therefore, loop opening equipment in a kind of cable branch box, ring main unit of new structure is proposed, cancellation SF
6The application of gas in the inflation ring main unit for to the atmospheric environment protection of the mankind so as to existence, is very useful and necessary.
The utility model content
The utility model proposes circuit switching device in a kind of cable branch box, the ring main unit at the prior art deficiency, compares SF
6On-load switch has advantages such as volume is little, pollution-free.
The technical scheme that the utility model adopted:
A kind of cable branch box, circuit switching device in the ring main unit, contain pole, insulation vacuum switch and spring operating mechanism, outlet is being set on the described pole, the watchband fingertip connects, the copper outlet, following outlet splicing ear, described operating mechanism adopts manual stored energy mechanism, energy storage motor (1) or both combinations, manually the manual energy storage axle (9) of stored energy mechanism is in transmission connection by bevel gear (8) and minor sprocket (5), energy storage motor (1) directly and minor sprocket (5) be in transmission connection, described minor sprocket (5) is by the chain wheel pair hinge wheel that is in transmission connection, hinge wheel be provided with clutch plate (33) by wheel in conjunction with (34) rotary main shaft that is in transmission connection, switching-in spring of spring operating mechanism (15) and combined floodgate semiaxis (21) interlock, rotary main shaft is by push rod (24) and one stroke switch (28) interlock, described travel switch (28) control connection insulation vacuum switch is carried out sub-switching operation; Simultaneously, switch knob (20) or combined floodgate release (29) also are connected with combined floodgate semiaxis (21), switching-in spring (15) drives chain output shaft (37) by cam (36) when discharging and is rotated counterclockwise, close a floodgate and keep pallet (38), separating brake semiaxis (7) snapping, drive the vacuum interrupter moving contact by output pull bar (41) insulated tension pole (46) that is in transmission connection, carry out closing operation.
Circuit switching device in described cable branch box, the ring main unit after in switching-in spring (15) mistake, is provided with energy storage and keeps pallet (35) and combined floodgate semiaxis (21) snapping, stored energy mechanism is in energy storage state, at this moment, push rod (24) depression stroke switch (28), motor outage; When switching-in spring (15) discharges, output pull bar (41) by connecting lever (42), subtract power lever connecting lever (44) insulated tension pole (46) that is in transmission connection.
Circuit switching device in described cable branch box, the ring main unit, the insulation vacuum switch adopts full pole and built-in instrument transformer, the incorporate solid insulation structure of transducer; Upper and lower outlet adopts solid insulation that the plug-in cable joint can directly be installed.
Useful good effect of the present utility model:
1, the utility model adopts vacuum circuit-breaker as loop opening equipment in cable branch box, the ring main unit, compares SF
6On-load switch has compact conformation, and volume is little, pollution-free, more convenient, safer characteristics; Floor space is few, saves cost.Long service life, pollution-free, environmental protection, attractive in appearance.
2, circuit switching device in the utility model cable branch box, the ring main unit adopts totally-enclosed insulation system, does not have exposed electrified body, built-in sensors, instrument transformer can directly be installed and can plug cable joint, are convenient to installation, use more convenient, safer, increased the short circuit interruption performance simultaneously.
Description of drawings
Fig. 1 is a circuit switching apparatus structure schematic diagram in the utility model cable branch box, the ring main unit;
Fig. 2, Fig. 3 are respectively circuit switching device sectional structure schematic diagram shown in Figure 1;
Fig. 4, Fig. 5, Fig. 6, Fig. 7 are respectively the transmission mechanism structural representation of circuit switching device in the utility model cable branch box, the ring main unit.
Each label and to represent meaning as follows among the figure: 1 motor, 2 energy storage indicator boards, 3 terminal rows, 4 left clamping plate 5 minor sprockets 6 overcurrent releases 7 separating brake semiaxis 8 bevel gears 9 manual energy storage axles 10 separating brake electrical apparatus releases 11 right clamping plate 12 hanging spring shafts 13 opening button 14 combined floodgate springs are adjusted bolt 15 combined floodgate springs 16 and are closed minute indicator board 17 output shafts 18 junction panels 19 chain connecting lever 20 switch knobs 21 combined floodgate semiaxis 22 auxiliary switches 23 connecting rods 24 push rods 25 plates one 26 dropout plates 27 connecting levers 28 travel switches 29 combined floodgate electrical apparatus releases 30 rectifier bridges 31 junction panels 32 plates 2 33 clutch plates 34 and take turns and weld 36 cams, 37 output shafts in conjunction with 35 combined floodgate connecting levers and weld 38 separating brake pallets, 39 separating brake connecting levers, 40 motor shafts 41 and export 54 times outlets of outlet 53 sensors on pull bars 42 output toggle arms 43 overtravel springs 44 lever connecting levers 45 sluice separating springs 46 insulated tension poles 47 vacuum interrupters 48 transformers 49 poles 50 Switch main bodies 51 spring operating mechanisms 52.
Embodiment
Embodiment one: referring to Fig. 1～Fig. 7.The utility model cable branch box, circuit switching device in the ring main unit, contain pole 49, insulation vacuum switch and spring operating mechanism 51, outlet 52 is being set on the described pole, the watchband fingertip connects, the copper outlet, following outlet 54 splicing ears, described spring operating mechanism adopts manual stored energy mechanism, energy storage motor 1 or two kind of structure combination, manually the manual energy storage axle 9 of stored energy mechanism is in transmission connection by bevel gear 8 and minor sprocket 5, energy storage motor 1 directly and minor sprocket 5 be in transmission connection, minor sprocket 5 is by the chain wheel pair hinge wheel that is in transmission connection, hinge wheel be provided with clutch plate 33 by wheel in conjunction with 34 rotary main shafts that are in transmission connection, the switching-in spring 15 of spring operating mechanism and 21 interlocks of combined floodgate semiaxis, rotary main shaft is by push rod 24 and travel switch 28 interlocks, described travel switch 28 control connections insulation vacuum switch is carried out sub-switching operation; Simultaneously, switch knob 20 or combined floodgate release 29 also are connected with combined floodgate semiaxis 21, driving chain output shaft 37 by cam 36 when switching-in spring 1 discharges is rotated counterclockwise, close a floodgate and keep pallet 38, separating brake semiaxis 7 snappings, drive vacuum interrupters 47 moving contacts by be in transmission connection insulated tension pole 46 of output pull bar 41, carry out closing operation.
Embodiment two: referring to Fig. 1～Fig. 7, circuit switching device in present embodiment cable branch box, the ring main unit, different with embodiment one is: after in switching-in spring 15 is crossed, be provided with energy storage and keep pallet 35 and combined floodgate semiaxis 21 snappings, stored energy mechanism is in energy storage state, at this moment, push rod 24 depression stroke switches 28, motor outage; When switching-in spring 15 discharges, output pull bar 41 by connecting lever 42, subtract power lever connecting lever 44 insulated tension pole 46 that is in transmission connection, the insulated tension pole 46 vacuum interrupter moving contact that is in transmission connection is finished combined floodgate.
Circuit switching device in the utility model cable branch box, the ring main unit, the insulation vacuum switch adopts full pole and built-in instrument transformer, the incorporate solid insulation structure of transducer; Upper and lower outlet adopts solid insulation that the plug-in cable joint can directly be installed.Compare SF
6On-load switch and conventional circuit breaker have the advantage that volume is little, pollution-free, do not have the electrified body that leaks outside.Built-in sensors, instrument transformer can directly be installed and can plug cable joint, install and use more convenient, safer, but long frequent operation of life-span has increased the short circuit interruption performance simultaneously.
The operating principle of circuit switching device in the utility model cable branch box, the ring main unit:
When carrying out closing operation, impose anticlockwise moment for hand energy storage axle 9, it drives bevel gear and rotates counterclockwise, driving minor sprocket 5 by gear pair rotates, or give energy storage motor 1 with operating voltage, and directly drive minor sprocket 5 and rotate, drive the hinge wheel rotation by chain wheel pair, clutch plate 33 driven wheels on the hinge wheel make main axis rotation in conjunction with 34, and switching-in spring 15 is stretched gradually.After in switching-in spring 15 is crossed, energy storage keeps pallet 35 and semiaxis 21 snappings, makes mechanism be in energy storage state.At this moment, push rod 24 depression stroke switches 28, motor outage.When pressing switch knob 20 or imposing operating voltage for combined floodgate release 29, combined floodgate semiaxis 21 is turned clockwise, remove the energy storage hold mode.Switching-in spring 15 releases energy, drive chain output shaft 37 by cam 36 and be rotated counterclockwise, closing a floodgate keeps pallet 38, separating brake semiaxis 7 snappings, and output pull bar 41 drives connecting lever 42, subtracts power by lever connecting lever 44, pass to insulated tension pole 46 and drive the vacuum interrupter moving contact, combined floodgate is finished.This moment, circuit breaker was in "on" position.
After mechanism's combined floodgate was finished, push rod 24 broke away from travel switch 28.The motor rotation, mechanism repeats thermal energy storage process.At the energy storage state that closes a floodgate, mechanism promptly is in the reclosing state, can realize the operation of " branch-0.3S-closes branch " single shot reclosing.
Claims (3)
1. cable branch box, circuit switching device in the ring main unit, contain pole, insulation vacuum switch and spring operating mechanism, outlet is being set on the described pole, the watchband fingertip connects, the copper outlet, following outlet splicing ear, described operating mechanism adopts manual stored energy mechanism, energy storage motor or two kinds of structure combinations, the manual energy storage axle (9) of described manual stored energy mechanism is in transmission connection by bevel gear (8) and minor sprocket (5), energy storage motor (1) directly and minor sprocket (5) be in transmission connection, it is characterized in that: described minor sprocket (5) is by the chain wheel pair hinge wheel that is in transmission connection, hinge wheel be provided with clutch plate (33) by wheel in conjunction with (34) rotary main shaft that is in transmission connection, switching-in spring of spring operating mechanism (15) and combined floodgate semiaxis (21) interlock, rotary main shaft is by push rod (24) and one stroke switch (28) interlock, described travel switch (28) control connection insulation vacuum switch is carried out sub-switching operation; Simultaneously, switch knob (20) or combined floodgate release (29) also are connected with combined floodgate semiaxis (21), switching-in spring (15) drives chain output shaft (37) by cam (36) when discharging and is rotated counterclockwise, close a floodgate and keep pallet (38), separating brake semiaxis (7) snapping, drive the vacuum interrupter moving contact by output pull bar (41) insulated tension pole (46) that is in transmission connection, carry out closing operation.
2. circuit switching device in cable branch box according to claim 1, the ring main unit, it is characterized in that: after in switching-in spring (15) is crossed, be provided with energy storage and keep pallet (35) and combined floodgate semiaxis (21) snapping, stored energy mechanism is in energy storage state, at this moment, push rod (24) depression stroke switch (28), the motor outage; When switching-in spring (15) discharges, output pull bar (41) by connecting lever (42), subtract power lever connecting lever (44) insulated tension pole (46) that is in transmission connection.
3. circuit switching device in cable branch box according to claim 1 and 2, the ring main unit is characterized in that: described insulation vacuum switch adopts full pole and built-in instrument transformer, the incorporate solid insulation structure of transducer; Upper and lower outlet adopts solid insulation that the plug-in cable joint can directly be installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206793146U CN201893278U (en) | 2010-12-24 | 2010-12-24 | Circuit switch device in cable branch box and ring network cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206793146U CN201893278U (en) | 2010-12-24 | 2010-12-24 | Circuit switch device in cable branch box and ring network cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201893278U true CN201893278U (en) | 2011-07-06 |
Family
ID=44222748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206793146U Expired - Lifetime CN201893278U (en) | 2010-12-24 | 2010-12-24 | Circuit switch device in cable branch box and ring network cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201893278U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592882A (en) * | 2012-03-06 | 2012-07-18 | 中能电气（福清）有限公司 | Bidirectional bi-travel operating mechanism for three-station vacuum arc extinguish chamber |
| CN103311840A (en) * | 2013-06-13 | 2013-09-18 | 淄博金龙电力设备股份有限公司 | Solid assembly unit of switchgear cubicle for loop network |
| CN103325587A (en) * | 2013-06-13 | 2013-09-25 | 姜全海 | Small multifunctional operation mechanism |
| CN103325639A (en) * | 2013-06-13 | 2013-09-25 | 沈阳春兴成套电器制造有限公司 | Vacuum circuit breaker and load switch |
| CN106158497A (en) * | 2016-09-13 | 2016-11-23 | 亚洲电力设备(深圳)股份有限公司 | Vacuum circuit breaker |
| CN110120321A (en) * | 2018-02-06 | 2019-08-13 | 浙江圣曦电气股份有限公司 | A kind of hermetic type low-voltage circuit breaker |
| CN110600339A (en) * | 2019-08-29 | 2019-12-20 | 常德威迪电气有限责任公司 | Strut type circuit breaker capable of being rapidly opened and closed |
| CN110718411A (en) * | 2019-08-29 | 2020-01-21 | 常德威迪电气有限责任公司 | Can save space's box-type circuit breaker altogether |
| CN110718412A (en) * | 2019-08-29 | 2020-01-21 | 常德威迪电气有限责任公司 | Strut type circuit breaker with insulating cylinder |
-
2010
- 2010-12-24 CN CN2010206793146U patent/CN201893278U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592882B (en) * | 2012-03-06 | 2015-06-24 | 中能电气（福清）有限公司 | Bidirectional bi-travel operating mechanism for three-station vacuum arc extinguish chamber |
| CN102592882A (en) * | 2012-03-06 | 2012-07-18 | 中能电气（福清）有限公司 | Bidirectional bi-travel operating mechanism for three-station vacuum arc extinguish chamber |
| CN103325587B (en) * | 2013-06-13 | 2015-11-11 | 姜全海 | Small multifunctional operation mechanism |
| CN103325639A (en) * | 2013-06-13 | 2013-09-25 | 沈阳春兴成套电器制造有限公司 | Vacuum circuit breaker and load switch |
| CN103325587A (en) * | 2013-06-13 | 2013-09-25 | 姜全海 | Small multifunctional operation mechanism |
| CN103325639B (en) * | 2013-06-13 | 2015-10-14 | 沈阳春兴成套电器制造有限公司 | Device containing vacuum circuit-breaker and on-load switch |
| CN103311840A (en) * | 2013-06-13 | 2013-09-18 | 淄博金龙电力设备股份有限公司 | Solid assembly unit of switchgear cubicle for loop network |
| CN103311840B (en) * | 2013-06-13 | 2016-01-13 | 淄博金龙电力设备股份有限公司 | Loop-network switch cabinet solid compositions unit |
| CN106158497A (en) * | 2016-09-13 | 2016-11-23 | 亚洲电力设备(深圳)股份有限公司 | Vacuum circuit breaker |
| CN110120321A (en) * | 2018-02-06 | 2019-08-13 | 浙江圣曦电气股份有限公司 | A kind of hermetic type low-voltage circuit breaker |
| CN110120321B (en) * | 2018-02-06 | 2020-11-24 | 浙江圣曦电气股份有限公司 | Closed low-voltage circuit breaker |
| CN110600339A (en) * | 2019-08-29 | 2019-12-20 | 常德威迪电气有限责任公司 | Strut type circuit breaker capable of being rapidly opened and closed |
| CN110718411A (en) * | 2019-08-29 | 2020-01-21 | 常德威迪电气有限责任公司 | Can save space's box-type circuit breaker altogether |
| CN110718412A (en) * | 2019-08-29 | 2020-01-21 | 常德威迪电气有限责任公司 | Strut type circuit breaker with insulating cylinder |
| CN110718411B (en) * | 2019-08-29 | 2022-04-12 | 常德威迪电气有限责任公司 | Can save space's box-type circuit breaker altogether |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110706 |
|
| CX01 | Expiry of patent term |