CN105470061A - Low-voltage series compensation bypass circuit breaker - Google Patents
Low-voltage series compensation bypass circuit breaker Download PDFInfo
- Publication number
- CN105470061A CN105470061A CN201510966606.5A CN201510966606A CN105470061A CN 105470061 A CN105470061 A CN 105470061A CN 201510966606 A CN201510966606 A CN 201510966606A CN 105470061 A CN105470061 A CN 105470061A
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- Prior art keywords
- circuit breaker
- closing
- cam
- energy
- lever
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
- H01H71/68—Power reset mechanisms actuated by electromagnet
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Breakers (AREA)
Abstract
The invention discloses a low-voltage series compensation bypass circuit breaker. The circuit breaker comprises a closing electromagnet, a connecting plate, a closing half axle, a closing latch, a cam, a connecting piece, an energy storage spring and a lever crank, wherein the closing electromagnet is connected with the connecting plate; the connecting plate is further connected with one end of the closing half axle; the other end of the closing half axle is connected with the cam through the closing latch; the cam is connected with the energy storage spring through the connecting piece; and the energy storage spring is connected with the lever crank. Under the condition of undervoltage of a circuit, the bypass circuit breaker drives the connecting plate through the closing electromagnet, the connecting plate drives the closing half axle to rotate, the closing half axle drives the closing latch, so that the cam is driven to enable the energy storage spring to release energy, then the lever crank is driven to carry out closing action, a contact is closed, and reliable closing bypass is realized.
Description
Technical field
The present invention relates to low-voltage series compensating technical field, particularly relate to a kind of low-voltage series compensating bypass breaker.
Background technology
In the field of power distribution of routine, in order to excise fault reliably, circuit breaker is all the mode adopting separating brake preferential when manufacturing and designing, and when there being fault, circuit breaker carries out quick acting switching-off excision faulty line, to ensure the reliability service of other circuit of electrical network.
But; the circuit of general installing series compensation equipment is all outdoor long distance transmission line; there is of short duration single-phase earthing due to weather and other factors occasional in outdoor transmission line; such accident may cause the damage of series compensation equipment; if merely all disconnected by the circuit of circuit breaker by series connection; the miscellaneous equipment that will affect on series circuit runs; therefore; the requirement of distribution merely can not be met by breaker open operation protection circuit; in addition; in some special cases, do not allow line broken circuit to protect excision.Therefore, how can both protection circuit safety, can not affect again the normal operation of circuit miscellaneous equipment, be those skilled in the art's problem demanding prompt solutions.
Summary of the invention
A kind of low-voltage series compensating bypass breaker is provided, to solve the problem in the embodiment of the present invention.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses following technical scheme:
A kind of low-voltage series compensating bypass breaker, it is characterized in that, described circuit breaker comprises: making electromagnet, connecting plate, combined floodgate semiaxis, closing pawl, cam, connector, energy-stored spring and lever connecting lever, wherein,
Described making electromagnet is connected with described connecting plate, described connecting plate is also connected with one end of described combined floodgate semiaxis, the other end of described combined floodgate semiaxis is connected with described cam by described closing pawl, described cam is connected with described energy-stored spring by described connector, and described energy-stored spring is connected with described lever connecting lever.
Preferably, one end of described combined floodgate semiaxis is also provided with groove, and described closing pawl comprises free end and stiff end, and wherein, described free end is connected with described groove, and described stiff end is connected with described cam.
Preferably, described circuit breaker also comprises energy storage axle, trace and input connecting lever, and wherein, described energy storage axle is arranged on the bottom of described energy-stored spring, and be connected with one end of described lever connecting lever, the other end of described lever connecting lever is connected with described input connecting lever by described trace.
Preferably, described connecting rod is provided with active connection, described active connection is connected with described making electromagnet, and described active connection drives described connecting plate up and down.
Preferably, described circuit breaker also comprises housing, and described combined floodgate semiaxis, closing pawl, cam, connector and energy-stored spring are all arranged on described enclosure interior.
Preferably, described circuit breaker also comprises circuit board, and described circuit board is arranged in described housing, and described circuit board is electrically connected with described making electromagnet, combined floodgate semiaxis, closing pawl, cam and energy-stored spring respectively.
From above technical scheme, a kind of low-voltage series compensating bypass breaker provided by the invention existing circuit breaker obtain basic on improved, increase the combined floodgate assemblies such as making electromagnet, connecting plate, combined floodgate semiaxis, closing pawl, cam, when there is under voltage situation in circuit, bypass breaker all drives connecting plate by making electromagnet, band of links dynamic circuit connector lock semiaxis rotates, combined floodgate semiaxis drives closing pawl, and then band moving cam makes energy-stored spring release energy, and then drive lever connecting lever feed motion, make contact closure, realize reliably closing a floodgate bypass.
In addition, the bypass breaker that this programme provides is from " separating brake is preferential " of routine, change into " closing a floodgate preferential ", even if make when controlling power loss or Burnout of Closing Coil, this circuit breaker also can reliably close a floodgate, and local bypass in distribution, does not affect the normal operation of miscellaneous equipment.Avoiding existing circuit breaker when controlling power supply disappearance or fault, because equipment can not reliably close a floodgate bypass, therefore can cause device damage, cause circuit breaker cannot the problem of reliable closing protective circuit.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of low-voltage series compensating bypass breaker that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the another kind of low-voltage series compensating bypass breaker that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the partial enlargement of the low-voltage series compensating bypass breaker that Fig. 3 provides for the embodiment of the present invention;
Wherein, in upper figure:
Making electromagnet 1, connecting plate 2, combined floodgate semiaxis 3, closing pawl 4, cam 5, connector 6, energy-stored spring 7, lever connecting lever 8, energy storage axle 9, trace 10, input connecting lever 11, groove 12, free end 13, stiff end 14, active connection 15 and housing 16.
Embodiment
In order to make those skilled in the art person understand technical scheme in the present invention better, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.Below in conjunction with Fig. 1 to Fig. 3, the low-voltage series compensating bypass breaker that the embodiment of the present invention provides is specifically described.
See Fig. 1 and Fig. 2, it is the structural representation of a kind of low-voltage series compensating bypass breaker that the embodiment of the present invention provides.Wherein, in the low-voltage series compensating device that this low-voltage series compensating bypass breaker 100 is applied to 6KV to 35KV or system, wherein this bypass breaker comprises: making electromagnet 1, connecting plate 2, combined floodgate semiaxis 3, closing pawl 4, cam 5, connector 6, energy-stored spring 7 and lever connecting lever 8, particularly;
Making electromagnet 1 is connected with connecting plate 2, this connecting plate 2 is also connected with one end of combined floodgate semiaxis 3, the other end of combined floodgate semiaxis 3 is connected with cam 5 by closing pawl 4, and this cam 5 is connected with energy-stored spring 7 by connector 6, and energy-stored spring 7 is connected with lever connecting lever 8.Because cam 5 is connected with energy-stored spring 7, therefore, when cam 5 rotates, energy-stored spring 7 can be driven movable.In addition, closing coil is included in making electromagnet 1.
Preferably, as shown in Figure 3, one end of this combined floodgate semiaxis 3 is also provided with groove 12, closing pawl 4 comprises free end 13 and stiff end 14, and wherein, free end 13 is connected with groove 12, and stiff end 14 is connected with cam 5.When combined floodgate semiaxis 3 rotates, groove 12 rotates, and drives the free end 13 of closing pawl 4 that fore-aft travel occurs, and because free end 13 and stiff end 14 are the two ends of closing pawl 4, therefore, when free end 13 is movable, drives stiff end 14 also generation activity.
In addition; as shown in Figures 2 and 3; Fig. 3 is the proterctive equipment being provided with three bypass breakers 100; each bypass breaker is fixed on holder, and wherein, each described circuit breaker 100 also comprises energy storage axle 9, trace 10 and input connecting lever 11; wherein; energy storage axle 9 is arranged on the bottom of energy-stored spring 7, and is connected with one end of lever connecting lever 8, and the other end of lever connecting lever 8 is connected with input connecting lever 11 by trace 10.Energy-stored spring 7 is connected with cam 5 by energy storage axle 9 and other coupling assembling, and energy storage axle 9 can also drive lever connecting lever 8 to carry out activity by rotation, because lever connecting lever 8 is also connected with input connecting lever 11 by trace 10, therefore input connecting lever 11 can be driven movable when lever connecting lever 8 is movable, input connecting lever 11 drives the contact closure in vacuum bubbles, reaches the object of combined floodgate.
Wherein, as shown in Figure 1, in bypass breaker 100, connecting plate 2 is provided with active connection 15, this active connection 15 is connected with making electromagnet 1, and this active connection 15 can be movable vertically.
A kind of low-voltage series compensating bypass breaker that above-described embodiment provides, existing circuit breaker obtain basic on improved, increase making electromagnet, connecting plate, combined floodgate semiaxis, closing pawl, the combined floodgate assemblies such as cam, when there is under voltage situation in circuit, by undervoltage electromagnet by active connection upwards movable top switching semiaxis, the sincere subactivity of combined floodgate semiaxis rotating band dynamic circuit connector lock, close a floodgate and hold up the pressure that cam opened by subactivity, band moving cam rotates, thus cam rotation enables the pressure be stored in energy-stored spring drive trace movable by energy storage axle, trace is made to drive input connecting lever, final input connecting lever drives the contact closure in vacuum bubbles, realize safety closing, bypass action is carried out to circuit.
In addition, the bypass breaker that this programme provides is from " separating brake is preferential " of routine, change into " closing a floodgate preferential ", even if make when controlling power loss or Burnout of Closing Coil, this circuit breaker also can reliably close a floodgate, and local bypass in distribution, does not affect the normal operation of miscellaneous equipment.Avoiding existing circuit breaker when controlling power supply disappearance or fault, because equipment can not reliably close a floodgate bypass, therefore can cause device damage, cause circuit breaker cannot the problem of reliable closing protective circuit.
In another embodiment, as shown in Figure 1, circuit breaker 100 also comprises housing 16; wherein; it is inner that the breaker assemblies such as combined floodgate semiaxis 3, closing pawl 4, cam 5, connector 6 and energy-stored spring 7 are all arranged on housing 16, and housing, for the protection of the assembly in circuit breaker 100, plays the effect of electric isolution.Wherein, making electromagnet 1 is arranged on the outside of housing 16.
Preferably, above-mentioned circuit breaker also comprises circuit board, not shown, this circuit board is arranged in described housing, and described circuit board is electrically connected with described making electromagnet, combined floodgate semiaxis, closing pawl, cam and energy-stored spring respectively, this circuit board for controlling the electric components such as described making electromagnet, combined floodgate semiaxis, closing pawl, cam and energy-stored spring, and drives described lever connecting lever feed motion.Described circuit board is connected with the Series compensation lines of protection, and is electrically connected with making electromagnet, for detection line voltage, and controls the making electromagnet closing operation in circuit breaker.
In addition, this circuit breaker 100 also comprises sensitive switch, this sensitive switch is arranged on under-voltage coil and half shaft connection place of closing a floodgate, sensitive switch is also connected with circuit board, described sensitive switch is used for feeding back the position of combined floodgate semiaxis under-voltage coil, and carries out corresponding feed motion according to the instruction of circuit board.
The proterctive equipment that the bypass breaker that this programme provides is applied is in normal use procedure, and in bypass cabinet, circuit breaker is in energy storage state, and under-voltage coil is in attracting state.When there is under-voltage or decompression, now under-voltage coil not adhesive, affranchise state, promote dynamic circuit connector lock semiaxis to rotate, make closing pawl pass combined floodgate semiaxis, thus make energy-stored spring release energy when energy storage state, energy storage axle is driven to rotate when releasing energy, thus cam is rotated, drive the action of input connecting lever when cam rotates, bypass breaker is closed a floodgate.
Soft at Control protection, hardware aspect, in the embodiment optimized, this device also comprises controller, this controller is connected with the circuit board in bypass breaker, can realize adopting mobile phone terminal to control the conjunction of Long-distance Control bypass breaker, sub-switching operation, and add detection control device fault, AC power failure, DC24V power failure, breaker energy storage motor power fault, control the output contacts such as power failure, described output contact is connected in bypass breaker closing circuit, when line failure, bypass breaker rapid closing can be made, avoid expansion accident, the safety of protection nucleus equipment.
The above is only the specific embodiment of the present invention, those skilled in the art is understood or realizes the present invention.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a low-voltage series compensating bypass breaker, is characterized in that, described circuit breaker comprises: making electromagnet, connecting plate, combined floodgate semiaxis, closing pawl, cam, connector, energy-stored spring and lever connecting lever, wherein,
Described making electromagnet is connected with described connecting plate, described connecting plate is also connected with one end of described combined floodgate semiaxis, the other end of described combined floodgate semiaxis is connected with described cam by described closing pawl, described cam is connected with described energy-stored spring by described connector, and described energy-stored spring is connected with described lever connecting lever.
2. circuit breaker according to claim 1, is characterized in that, one end of described combined floodgate semiaxis is also provided with groove, described closing pawl comprises free end and stiff end, wherein, described free end is connected with described groove, and described stiff end is connected with described cam.
3. circuit breaker according to claim 2, it is characterized in that, described circuit breaker also comprises energy storage axle, trace and input connecting lever, wherein, described energy storage axle is arranged on the bottom of described energy-stored spring, and be connected with one end of described lever connecting lever, the other end of described lever connecting lever is connected with described input connecting lever by described trace.
4. circuit breaker according to claim 3, is characterized in that, described connecting plate is provided with active connection, and described active connection is connected with described making electromagnet, and described active connection drives described connecting plate up and down.
5. the circuit breaker according to any one of Claims 1-4, is characterized in that, described circuit breaker also comprises housing, and described combined floodgate semiaxis, closing pawl, cam, connector and energy-stored spring are all arranged on described enclosure interior.
6. circuit breaker according to claim 5, it is characterized in that, described circuit breaker also comprises circuit board, and described circuit board is arranged in described housing, and described circuit board is electrically connected with described making electromagnet, combined floodgate semiaxis, closing pawl, cam and energy-stored spring respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966606.5A CN105470061A (en) | 2015-12-21 | 2015-12-21 | Low-voltage series compensation bypass circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510966606.5A CN105470061A (en) | 2015-12-21 | 2015-12-21 | Low-voltage series compensation bypass circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN105470061A true CN105470061A (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510966606.5A Pending CN105470061A (en) | 2015-12-21 | 2015-12-21 | Low-voltage series compensation bypass circuit breaker |
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| CN (1) | CN105470061A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022802A (en) * | 2018-01-03 | 2018-05-11 | 宁夏力成电气集团有限公司 | A kind of breaker assembling line shares conveying device and its carrying method with power |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201886918U (en) * | 2010-11-19 | 2011-06-29 | 西安英丰电气有限责任公司 | Spring operating mechanism for longitudinal arrangement of high-voltage circuit breakers |
| CN203415489U (en) * | 2013-09-17 | 2014-01-29 | 厦门兴厦控电气有限公司 | Operating mechanism for vacuum circuit breaker |
| CN204011114U (en) * | 2014-07-14 | 2014-12-10 | 亚洲电力设备(深圳)股份有限公司 | The transmission device of solid-state insulated switchgear |
-
2015
- 2015-12-21 CN CN201510966606.5A patent/CN105470061A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201886918U (en) * | 2010-11-19 | 2011-06-29 | 西安英丰电气有限责任公司 | Spring operating mechanism for longitudinal arrangement of high-voltage circuit breakers |
| CN203415489U (en) * | 2013-09-17 | 2014-01-29 | 厦门兴厦控电气有限公司 | Operating mechanism for vacuum circuit breaker |
| CN204011114U (en) * | 2014-07-14 | 2014-12-10 | 亚洲电力设备(深圳)股份有限公司 | The transmission device of solid-state insulated switchgear |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022802A (en) * | 2018-01-03 | 2018-05-11 | 宁夏力成电气集团有限公司 | A kind of breaker assembling line shares conveying device and its carrying method with power |
| CN108022802B (en) * | 2018-01-03 | 2023-06-27 | 宁夏力成电气集团有限公司 | Power sharing conveying device for circuit breaker assembly line and conveying method thereof |
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Application publication date: 20160406 |