CN201527926U - Outdoor permanent magnetic high-voltage vacuum circuit breaker with function of manual quick closing - Google Patents
Outdoor permanent magnetic high-voltage vacuum circuit breaker with function of manual quick closing Download PDFInfo
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- CN201527926U CN201527926U CN200920277443XU CN200920277443U CN201527926U CN 201527926 U CN201527926 U CN 201527926U CN 200920277443X U CN200920277443X U CN 200920277443XU CN 200920277443 U CN200920277443 U CN 200920277443U CN 201527926 U CN201527926 U CN 201527926U
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Abstract
The utility model provides an outdoor permanent magnetic high-voltage vacuum circuit breaker with a function of manual quick closing, which comprises a box casing, a closing operation device, a manual opening device, a vacuum auxiliary switch and a vacuum arc extinguishing device which are connected to a main shaft inside the box casing. The closing operation device is a manual quick closing operation device comprising a power input mechanism, a transmission mechanism connected with the power input mechanism through a bearing, a driving mechanism connected with the transmission mechanism through a bearing, and an energy storage mechanism, wherein the driving mechanism is respectively connected with the main shaft and the energy storage mechanism, the power input mechanism is connected with a return mechanism, and the transmission mechanism is connected with a reinforcing mechanism. The outdoor permanent magnetic high-voltage vacuum circuit breaker has the manual quick closing operation device, and is capable of realizing on-load manual closing, and realizing a current three-stage protection function without an operation power supply. Therefore, the outdoor permanent magnetic high-voltage vacuum circuit breaker completely meets requirements of operation regulation of a power system, and positively promotes realization of automation of overhead distribution networks.
Description
Technical field
The utility model relates to outdoor permanent-magnetic high-voltage vacuum circuit breaker, particularly a kind of outdoor permanent-magnetic high-voltage vacuum circuit breaker that possesses manually quick closing function.
Background technology
Permanent-magnet operating mechanism is because mechanical part is few, be swift in motion, the time dispersiveness is little, the electronics actuating is convenient to realize advantages such as various control strategies, be well suited for making synchro switch, temporary overvoltage that switching capacitive or inductive load are caused and high frequency shove and have good supression effect.Outdoor permanent-magnetic high-voltage vacuum circuit breaker combines with FTU (intelligent current feed terminal equipment), can be made into perfect distribution automation system.Compare with at present general spring operating mechanism, the protection of network system equipment and load is had remarkable advantages.
Outdoor permanent-magnetic high-voltage vacuum circuit breaker is mainly used in rated voltage 12kV, the three-phase alternating current 50Hz electrical power trans mission/distribution system as the usefulness of cut-offfing and normal duty electric current and fault current are closed in the pass; At electrical network, electric substation, industrial and mining enterprises as the outdoor on-pole switch equipment of accepting and distribute electric energy.It cooperates with the GCM intelligent controller, promptly becomes intelligent switch system and automatic circuit on the outdoor post.Can realize reclosing No. three times, overload protection, syllogic overcurrent protection, automatic isolated fault section, the power supply that recovers non-fault section improves system's power supply reliability, thereby realizes distribution automation.Can realize " four is distant ": remote measurement, remote signalling, remote control, remote regulating by remote operation; Simultaneously can realize straighforward operation on the spot again, be the free product of built on stilts distribution automation.
But it is as the operating mechanism of outdoor high-voltage vacuum breaker, has also run into some deadly defects in application and popularization process, causes it to apply the restriction that is subjected to a certain degree.
The problem that outdoor permanent-magnetic high-voltage vacuum circuit breaker is promoted the maximum that runs into has following several respects:
One, when having the control power supply, can't not close a floodgate:
Permanent magnet type vacuum circuit-breaker is to rely on the electric current that leads to a specific direction in the operating coil, and this electric current produces the magnetic field identical or opposite with the permanent magnet magnetic field direction on moving iron core, realizes that with stack of permanent magnet magnetic field force or counteracting the on/off switch of circuit breaker moves.For this reason, the operation of permanent magnet type vacuum circuit-breaker must have reliable operating power.And outdoor on-pole switch location of the machine to be installed disperses, and extensive application is arranged in remote rural power grids system, be that its configuration operation power supply exists a lot of difficulties.At first, as operating power supply with the low pressure civil power, just need power transmission line be set with high-voltage fence, this needs a large amount of expenses not to the utmost, also can grow the transmission of electricity of distance and voltage is declined to a great extent, thereby not reach desired operating voltage.Be head it off, at present big multi-user adopts directly power taking from high pressure master electrical network of power transformer (PT), by transformation as operating power.But power transformer (PT) exists and to cost an arm and a leg, and self lacks protection, and defective such as easily break down.
And in part disjunction network system was come, its main electrical network was power free before normally all putting into operation.This obtains operating power to the user and more is a problem.Stipulate in the erection code of electric power system that particularly circuit breaker for preventing to influence the safety of high pressure major network, must not have under the electric situation at high-voltage fence and installs, debugs when Installation and Debugging.
In addition, also have under the situations such as a variety of causes, caused control system break down, outdoor permanent magnet type vacuum circuit-breaker is normal closing operation all, makes network system can't normally send electricity, causes heavy losses to electric power system and user.
Two, under the situation of no operating power, can't effectively protect network system and load:
Conventional outdoor permanent magnet type vacuum circuit-breaker all is provided with the manual emergency switching-off device, in emergency or do not have under the operating power, can carry out separating brake to circuit breaker by the manual brake separating function.And concerning the detection and protection of electric network fault, just can't realize with manual function.And as the due function of outdoor pole-mounted circuit breaker self, it must have the basic function that network system is detected and protects.And since outdoor permanent magnet type vacuum circuit-breaker under no operating power, just can't realize separating brake, thereby also make it lose the function of circuit breaker.This problem stays and big hidden danger the normal operation of network system and the safe operation of load equipment, is that operation power rules institute is unallowed.
At outdoor high-voltage vacuum breaker above-mentioned all situations and problem, fully expose the weakness that causes of present outdoor permanent-magnetic high-voltage vacuum circuit breaker, all advantages and the characteristics of permanent-magnet operating mechanism are all masked, become the main obstruction that outdoor permanent-magnetic high-voltage vacuum circuit breaker is applied in electric power system already.And how to resolve the key that these problems have become outdoor permanent-magnetic high-voltage vacuum circuit breaker development and applied, also be the purpose of the utility model patent.
Summary of the invention
The purpose of this utility model is the defective at above-mentioned prior art; a kind of outdoor permanent-magnetic high-voltage vacuum circuit breaker of closing function fast that possesses manually is provided; not only in the occasion of no operating power; can realize the on-load closing by hand, and by optimal design, under the situation of no operating power; can realize the protection of electric current syllogic; meet the requirement of power system operation rules fully, can bring into play positive facilitation for realizing built on stilts distribution automation as early as possible.
The technical scheme taked of the utility model is to achieve these goals: a kind of possess manually the outdoor permanent-magnetic high-voltage vacuum circuit breaker of closing function fast, comprise case shell and the closing operation device that links to each other with the main shaft that is provided with in the case shell, manual switching-off device, vacuum-assisted switch and vacuum arc-extinguishing device, described closing operation device is manually quick closing operation device, comprise power input mechanism, the transmission mechanism that links to each other with power input mechanism by bearing, the driving mechanism and the stored energy mechanism that are connected by bearing with transmission mechanism, wherein, driving mechanism links to each other with described main shaft and stored energy mechanism respectively, power input mechanism is connecting resetting device, and transmission mechanism is connecting consolidates force mechanisms.
Concrete, the energy storage axle that described power input mechanism comprises handle and is attached thereto; Described transmission mechanism comprises that the driving gear that is connected with the energy storage axle bearing reaches and driving gear engagement driven gear; Described driving mechanism comprises the drive block, the driving shaft that is connected with the driven gear bearing that are provided with on the driven gear, be located on the driving shaft and the driving wheel that connects by key and cam, the roller that closes with cam meshing, the output toggle arm coaxial with roller, wherein, drive block is meshed with driving wheel, and output toggle arm links to each other with described main shaft; Described stored energy mechanism comprises energy storage connecting lever of being located on the driving shaft and connecting by key and the energy-stored spring that links to each other with the energy storage connecting lever; Described resetting device comprises alignment pin and back-moving spring, and the energy storage axle is provided with and the corresponding dog screw of alignment pin; Described solid force mechanisms is the ratchet that matches with driving gear.
The beneficial effects of the utility model are: compared to existing technology; the utlity model has manually quick closing operation device; but on-load closing by hand; and under the situation of no operating power; also can realize electric current syllogic defencive function; therefore the utility model meets the requirement of power system operation rules fully, for realizing built on stilts distribution automation as early as possible, is bringing into play positive facilitation.
Description of drawings
Fig. 1 is the vertical view that the outdoor permanent-magnetic high-voltage vacuum circuit breaker that possesses manually quick closing function described in the utility model removes the case shell;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the enlarged drawing of manually quick closing operation device described in Fig. 1;
Fig. 4 is the B-B cutaway view of Fig. 3;
Fig. 5 is the circuit theory diagrams of the outdoor permanent-magnetic high-voltage vacuum circuit breaker of closing function fast that possess manually described in the utility model.
1 manual-operating mechanism, 2 divide-shut brake dial gauges, 3 manual brake separating handles, the 4FTU interface, 5 tripping springs, 6 permanent-magnet operating mechanisms, 7 circuit breaker main shafts, 8 vacuum-assisted switches, 9 closing by hand handles, 10 energy-stored springs, 11 vacuum interrupters, 12 insulation crusts, 13 insulated tension poles, 14 touch springs, 15 output toggle arms, 16 driving gears, 17 ratchets, 19 casees shells, 20 unidirectional energy storage bearings, 21 manual energy storage axles, 22 back-moving springs, 23 alignment pins, 24 driven gears, 25 drive blocks, 26 driving wheels, 27 cams, 28 rollers, 29 driving shafts, 30 energy storage connecting levers.
The attached current transformer of TA circuit breaker, ZT booster transformer, V rectifier bridge heap, C electrochemical capacitor, Y permanent magnet mechanism coil, LJ overcurrent contact.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
The outdoor permanent-magnetic high-voltage vacuum circuit breaker that possesses manually quick closing function described in the utility model as shown in Figures 1 and 2 is arranged in the case shell 19, connect manually quick closing operation device, manual switching-off device, vacuum-assisted switch and vacuum arc-extinguishing device on the main shaft of described circuit breaker, described case shell 19 also is provided with divide-shut brake dial gauge 2 and FTU interface 4.Wherein, manual switching-off device comprises manual brake separating handle 3, tripping spring 5 and permanent magnet mechanism 6.Vacuum arc-extinguishing device comprise outside insulation crust 12 with and interior vacuum interrupter 11, insulated tension pole 13 and the touch spring 14 that is provided with in turn.
One of purpose of design of the present utility model is for realizing the occasion of outdoor permanent-magnetic high-voltage vacuum circuit breaker in no operating power, the on-load closing function.The most simple and effective method is provided with manually closing function fast exactly in product.From then on set out, the manually quick closing device of a cover is set in the operating mechanism case of permanent-magnetic high-voltage vacuum circuit breaker out of doors.Reach the reliable closing by hand of on-load, each parameter of the circuit breaker in the time that closing by hand must being guaranteed, the parameter request when satisfying electric switch-on fully.Therefore, need in man-operating mechanism, to be provided with a switching-in spring that can make circuit breaker reach Circuit Closing Parameters power, and will make this spring energy-storage and release energy by manpower, must be by a cover labour-saving operating means, so that operating personnel can finish feed motion like a cork.This hand-operating device also must with electric permanent magnetic mechanism compatibility.Promptly under manual or electric switch-on state, unaffected mutually, and can realize interlocking.Circuit breaker must fast and reliable close a floodgate during closing by hand, and at this moment, circuit breaker can not be realized electronic combined floodgate once more.Can only carry out once more manually or electric switch-on by behind electronic or manual brake separating and the protection separating brake.When needing closing by hand, operating personnel only need to pass through insulated tension pole under circuit breaker, easily spur eight times, after reaching the required merit of closing a floodgate, realize automatically closing a floodgate.
Concrete, as shown in Figure 1, described circuit breaker is in no operating power and Installation and Debugging occasion, can be by spurring closing by hand handle 9 eight times, drive manually driving gear 16 rotations of closing device fast, and keep by ratchet 17, gradually with energy-stored spring 10 energy storage to the required energy of described breaker closing, energy release by energy-stored spring 10 drives to output toggle arm 15, drive circuit breaker main shaft 7 to left movement, drive the three-phase connecting plate by circuit breaker main shaft 7 simultaneously, vacuum interrupter 11 is closed a floodgate.In this making process, also tripping spring 5 and touch spring 14 are carried out energy storage simultaneously, for the separating brake and the protection tripping operation of described circuit breaker are got ready.When circuit breaker main shaft 7 arrives closing positions, also make the moving iron core of permanent-magnet operating mechanism 6 move to the closure state of permanent magnet magnetic circuit, keep the "on" position of described circuit breaker by the magnetic field of permanent magnet.
As shown in Figures 3 and 4, the course of work of manually quick closing operation device 1 described in the utility model is:
1) with manpower pulling closing by hand handle 9, drives manual energy storage axle 21 and rotate; Drive unidirectional energy storage bearing 20, directly make driving gear 16 clockwise rotate about 80 degree.At this moment, the dog screw that is contained on the manual energy storage axle 21 is run into alignment pin 23, and restriction energy storage axle 5 is rotated further.So far, finish the energy storage pull operation one time.After manpower loosened closing by hand handle 9, energy storage axle 5 drove unidirectional energy storage bearing 20 and closing by hand handle 9 and keeps in the center under the effect of back-moving spring 26, for next energy storage pulling is got ready.And driving gear 16 is because the effect of ratchet 13, and it is motionless to make it remain on original position.
2) driving gear 16 drives driven gear 24 and rotates counterclockwise when clockwise rotating.For bearing is connected, when driven gear 24 rotated, driving shaft 29 did not rotate between driven gear 24 and the driving shaft 29.Have only when the drive block on the driven gear 24 25 blocks step on the driving wheel 26, drive driving wheel 26 and be rotated counterclockwise together, driving wheel 26 is that key is connected with driving shaft 29, thereby also drives driving shaft 29 rotations.
3) driving shaft 29 all is that key is connected with dress cam 27 thereon respectively with energy storage connecting lever 30.The rotation of driving shaft 29 is also driving simultaneously protruding 12 rotations of taking turns with energy storage connecting lever 30.Thereby make energy-stored spring 10 be elongated storage power gradually.The curve movement of cam 27 moves closer to roller 28, gets ready for closing a floodgate fast.
4) by the 1st) principle of bar, manpower pulling closing by hand handle 9 eight times will make energy storage connecting lever 30 rotate 180 degree, and energy-stored spring 10 is pulled to the longest point, energy-stored spring 10 energy from clusters can be guaranteed the described circuit breaker required merit of combined floodgate fast, and this position is called as the position, dead point of energy storage connecting lever 30.When 30 rotations of energy storage connecting lever were spent less than 180, energy-stored spring 10 acted on the power on the energy storage connecting lever 30, is the power that clockwise direction rotates.By each driving parts, this rotatory force is maintained by ratchet 13, can't discharge.And when 30 rotations of energy storage connecting lever were spent greater than 180, energy-stored spring 10 acted on the power on the energy storage connecting lever 30, is the counter clockwise direction rotatory force.When rotating counterclockwise, be exactly that energy-stored spring 10 discharges institute's energy from clusters, by counterclockwise driving energy storage connecting lever 30 and cam 27 fast to rotation counterclockwise.Cam 27 by its curve, drives roller 28 and moves downward in rotary course.Thereby, output toggle arm 15 is clockwise rotated, output toggle arm 15 links to each other with main shaft 17, finally makes main shaft 17 to left movement, reaches breaker closing position (figure one dotted portion is the position of output toggle arm 15 when closing a floodgate).And the permanent magnetism that permanent-magnet operating mechanism 6 is arranged tries hard to keep and holds, and finishes the combined floodgate program of described circuit breaker.
5) when energy-stored spring 10 releases energy since between driven gear 24 and the driving shaft 29 for bearing is connected, the quick rotation of driving shaft 29 can't drive the rotation of driven gear 24, driving gear 16 and closing by hand handle 8 are all unaffected.Guarantee that manually quick closing device 1 in quick making process, can not produce infringement to the operator.
6) after the energy of energy storage has discharged, cam 27 and energy storage connecting lever 30 are returned Fig. 1 position, for manually quick combined floodgate the next time got ready.
Two of purpose of design of the present utility model; under no operating power or control power supply situation about breaking down; outdoor permanent magnet type vacuum circuit-breaker can be realized the protection trip avoidance function; and by the size of fault and the requirement of protection parameter setting; in time with source of trouble excision and isolation, protect the normal operation of network system and load with failure condition conscientiously.Circuit breaker adopts monostable magneto mechanism with permanent-magnet operating mechanism, and its principle drives moving iron core to closing position for closing a floodgate by electromagnetic force, keeps moving iron core at closing position by magnetic field of permanent magnet.And separating brake makes iron core generation one and magnetic field of permanent magnet to anti-magnetic force, and under the help of separating brake and touch spring, overcomes the suction of permanent magnet, quick acting switching-off.And under the effect of tripping spring, make circuit breaker remain on the separating brake position.This protection system is used Monostable permanent magnetic mechanism exactly in making process; be the energy that tripping spring and touch spring stored up; protection winding by current transformer; network system is detected; when finding fault; fault current transmits the required energy of its action by instrument transformer to the controller that shoves; have source contact and amplifier by the controller that shoves directly sends sub-gate signal to the coil of permanent-magnet operating mechanism again; force coil on moving iron core, produce one with magnetic field of permanent magnet to anti-opposing magnetic field; under the acting in conjunction of tripping spring and touch spring power; overcome the suction of magnetic field of permanent magnet, realize the quick acting switching-off of circuit breaker.
Specifically; as shown in Figures 1 and 2; circuit breaker described in the utility model is when no operating power or operating system break down; can use monostable permanent-magnet operating mechanism 6 in making process; the energy that is stored up for tripping spring 5 and touch spring 14; protection winding by the current transformer in the permanent-magnet operating mechanism 6; network system is detected; when finding fault; fault current transmits the required energy of its action by current transformer to the current protection module; make the action of current protection module, by it source contact and amplifying return circuit are arranged, directly the coil to permanent-magnet operating mechanism 6 sends the separating brake energy; make coil on moving iron core, produce one with magnetic field of permanent magnet to anti-counter-force; under the acting in conjunction of tripping spring and touch spring power, overcome the suction of magnetic field of permanent magnet, realize the fast trip of circuit breaker.
As shown in Figure 5, circuit breaker performance current protecting function principle described in the utility model is as follows during concrete no operating power:
1) when no operating power or control loop break down; for realizing the current protecting function of described circuit breaker to network system and load; adopt Fig. 5 electrical equipment theory structure; recombination current protection module CPU splits computing and the setting into amount; electric current multiple and operate time to the need protection carry out; and with signal output, come the separating brake of described circuit breaker is control effectively, play effective defencive function.
2) this charging energy-storage module is a little current energy (being generally less than 3A) of using the appended protective current instrument transformer TA of circuit breaker self, by booster transformer ZT with this small power supply transformation to 80V, be that two electric capacity of 200 μ F charge storage power to capacity.
3) under normal circumstances, the current protection module is output signal not, and overcurrent contact LJ is for often opening, and the permanent magnet mechanism coil must not.But when network system or load are broken down, after the current protection module detects fault, promptly carry out signal output, make overcurrent contact LJ closure, capacitor discharge by the parameter request that sets.To the reverse current of 1 ampere of coil (Y) input, generation and permanent magnetic field add separating brake again and touch the power that first two spring stores up to anti-magnetic field force on moving iron core, just can overcome the closing force of permanent magnet reliably, realize the quick acting switching-off of circuit breaker.Cut off and the isolated fault source, system and load are implemented reliable protection.
The utlity model has manually quick closing operation device; but on-load closing by hand; and under the situation of no operating power; also can realize electric current syllogic defencive function; therefore the utility model meets the requirement of power system operation rules fully; for realizing built on stilts distribution automation as early as possible, bringing into play positive facilitation.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out in the technical solutions of the utility model scope and replacing all should be included in the protection range of the present utility model.
Claims (2)
1. one kind possesses manually the outdoor permanent-magnetic high-voltage vacuum circuit breaker of closing function fast, comprise case shell and the closing operation device that links to each other with the main shaft that is provided with in the case shell, manual switching-off device, vacuum-assisted switch and vacuum arc-extinguishing device, it is characterized in that: described closing operation device is manually quick closing operation device, comprise power input mechanism, the transmission mechanism that links to each other with power input mechanism by bearing, the driving mechanism and the stored energy mechanism that are connected by bearing with transmission mechanism, wherein, driving mechanism links to each other with described main shaft and stored energy mechanism respectively, power input mechanism is connecting resetting device, and transmission mechanism is connecting consolidates force mechanisms.
2. outdoor permanent-magnetic high-voltage vacuum circuit breaker according to claim 1 is characterized in that: the energy storage axle that described power input mechanism comprises handle and is attached thereto; Described transmission mechanism comprises that the driving gear that is connected with the energy storage axle bearing reaches and driving gear engagement driven gear; Described driving mechanism comprises the drive block, the driving shaft that is connected with the driven gear bearing that are provided with on the driven gear, be located on the driving shaft and the driving wheel that connects by key and cam, the roller that closes with cam meshing, the output toggle arm coaxial with roller, wherein, drive block is meshed with driving wheel, and output toggle arm links to each other with described main shaft; Described stored energy mechanism comprises energy storage connecting lever of being located on the driving shaft and connecting by key and the energy-stored spring that links to each other with the energy storage connecting lever; Described resetting device comprises alignment pin and back-moving spring, and the energy storage axle is provided with and the corresponding dog screw of alignment pin; Described solid force mechanisms is the ratchet that matches with driving gear.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200920277443XU CN201527926U (en) | 2009-11-23 | 2009-11-23 | Outdoor permanent magnetic high-voltage vacuum circuit breaker with function of manual quick closing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200920277443XU CN201527926U (en) | 2009-11-23 | 2009-11-23 | Outdoor permanent magnetic high-voltage vacuum circuit breaker with function of manual quick closing |
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| CN201527926U true CN201527926U (en) | 2010-07-14 |
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| CN200920277443XU Expired - Fee Related CN201527926U (en) | 2009-11-23 | 2009-11-23 | Outdoor permanent magnetic high-voltage vacuum circuit breaker with function of manual quick closing |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969007A (en) * | 2010-11-04 | 2011-02-09 | 河南省电力公司信阳供电公司 | Dual-power high-voltage vacuum circuit breaker |
| CN102664120A (en) * | 2012-04-19 | 2012-09-12 | 长沙智通电力设备有限公司 | Miniaturized 40.5KV vacuum circuit breaker |
| CN104021976A (en) * | 2014-06-10 | 2014-09-03 | 浙江伏尔特电器有限公司 | Permanent magnetic vacuum circuit breaker |
| CN104051184A (en) * | 2014-06-17 | 2014-09-17 | 许昌永新电气股份有限公司 | Switching-on and switching-off integrated mechanism of outdoor high-voltage vacuum circuit breaker |
| CN104143927A (en) * | 2013-09-27 | 2014-11-12 | 平顶山平高安川开关电器有限公司 | Switch with built-in intelligent terminal power supply and power supply |
| CN104466867A (en) * | 2013-09-25 | 2015-03-25 | 国家电网公司 | Overhead transmission line |
| CN104979114A (en) * | 2014-04-02 | 2015-10-14 | 西门子公司 | Linkage assembly of switching device set, and switching device set thereof |
| CN105470035A (en) * | 2015-12-31 | 2016-04-06 | 北京合纵实科电力科技有限公司 | Pole load switch adopting permanent magnet type operating mechanism |
| CN106158500A (en) * | 2016-07-21 | 2016-11-23 | 新疆特变电工自控设备有限公司 | Carry the permanent-magnet breaker of manual closing mechanism |
| CN106548909A (en) * | 2015-09-16 | 2017-03-29 | 河南华盛隆源电气有限公司 | A kind of integral intelligent permanent-magnet breaker |
| CN106571276A (en) * | 2016-10-18 | 2017-04-19 | 北京杰远电气有限公司 | Permanent magnetic actuator additionally provided with emergency function and operating method |
| CN107622907A (en) * | 2017-07-28 | 2018-01-23 | 江苏省如高高压电器有限公司 | A kind of novel breaker |
| CN108428575A (en) * | 2018-03-16 | 2018-08-21 | 江苏省如高高压电器有限公司 | A kind of permanent-magnet breaker dual-mechanism actuating system |
| CN117476396A (en) * | 2023-12-14 | 2024-01-30 | 北京昊创瑞通电气设备股份有限公司 | Quick operating mechanism for pole-mounted circuit breaker and pole-mounted circuit breaker |
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2009
- 2009-11-23 CN CN200920277443XU patent/CN201527926U/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101969007B (en) * | 2010-11-04 | 2012-10-03 | 河南省电力公司信阳供电公司 | Dual-power high-voltage vacuum circuit breaker |
| CN101969007A (en) * | 2010-11-04 | 2011-02-09 | 河南省电力公司信阳供电公司 | Dual-power high-voltage vacuum circuit breaker |
| CN102664120A (en) * | 2012-04-19 | 2012-09-12 | 长沙智通电力设备有限公司 | Miniaturized 40.5KV vacuum circuit breaker |
| CN104466867A (en) * | 2013-09-25 | 2015-03-25 | 国家电网公司 | Overhead transmission line |
| CN104143927A (en) * | 2013-09-27 | 2014-11-12 | 平顶山平高安川开关电器有限公司 | Switch with built-in intelligent terminal power supply and power supply |
| CN104979114A (en) * | 2014-04-02 | 2015-10-14 | 西门子公司 | Linkage assembly of switching device set, and switching device set thereof |
| CN104979114B (en) * | 2014-04-02 | 2019-03-15 | 西门子公司 | The linkage unit and its switching device group of switching device group |
| CN104021976A (en) * | 2014-06-10 | 2014-09-03 | 浙江伏尔特电器有限公司 | Permanent magnetic vacuum circuit breaker |
| CN104021976B (en) * | 2014-06-10 | 2016-05-25 | 浙江伏尔特电器有限公司 | Permanent magnetic vacuum breaker |
| CN104051184A (en) * | 2014-06-17 | 2014-09-17 | 许昌永新电气股份有限公司 | Switching-on and switching-off integrated mechanism of outdoor high-voltage vacuum circuit breaker |
| CN106548909A (en) * | 2015-09-16 | 2017-03-29 | 河南华盛隆源电气有限公司 | A kind of integral intelligent permanent-magnet breaker |
| CN106548909B (en) * | 2015-09-16 | 2019-03-08 | 河南华盛隆源电气有限公司 | A kind of integral intelligent permanent-magnet breaker |
| CN105470035A (en) * | 2015-12-31 | 2016-04-06 | 北京合纵实科电力科技有限公司 | Pole load switch adopting permanent magnet type operating mechanism |
| CN106158500A (en) * | 2016-07-21 | 2016-11-23 | 新疆特变电工自控设备有限公司 | Carry the permanent-magnet breaker of manual closing mechanism |
| CN106158500B (en) * | 2016-07-21 | 2018-11-20 | 新疆特变电工自控设备有限公司 | The permanent-magnet breaker of included manual closing mechanism |
| CN106571276A (en) * | 2016-10-18 | 2017-04-19 | 北京杰远电气有限公司 | Permanent magnetic actuator additionally provided with emergency function and operating method |
| CN107622907A (en) * | 2017-07-28 | 2018-01-23 | 江苏省如高高压电器有限公司 | A kind of novel breaker |
| CN108428575A (en) * | 2018-03-16 | 2018-08-21 | 江苏省如高高压电器有限公司 | A kind of permanent-magnet breaker dual-mechanism actuating system |
| CN108428575B (en) * | 2018-03-16 | 2019-11-15 | 江苏省如高高压电器有限公司 | A kind of permanent-magnet breaker dual-mechanism actuating system |
| CN117476396A (en) * | 2023-12-14 | 2024-01-30 | 北京昊创瑞通电气设备股份有限公司 | Quick operating mechanism for pole-mounted circuit breaker and pole-mounted circuit breaker |
| CN117476396B (en) * | 2023-12-14 | 2024-05-03 | 北京昊创瑞通电气设备股份有限公司 | Quick operating mechanism for pole-mounted circuit breaker and pole-mounted circuit breaker |
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Granted publication date: 20100714 Termination date: 20121123 |