CN105047491A - Anti-pumping device of permanent-magnet operation mechanism - Google Patents
Anti-pumping device of permanent-magnet operation mechanism Download PDFInfo
- Publication number
- CN105047491A CN105047491A CN201510530172.4A CN201510530172A CN105047491A CN 105047491 A CN105047491 A CN 105047491A CN 201510530172 A CN201510530172 A CN 201510530172A CN 105047491 A CN105047491 A CN 105047491A
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- Prior art keywords
- circuit breaker
- switch
- contact
- dynamic circuit
- normally opened
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005086 pumping Methods 0.000 title abstract 8
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 238000002360 preparation method Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- 230000003068 static effect Effects 0.000 description 4
- 244000145845 chattering Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- 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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/62—Manual reset mechanisms which may be also used for manual release with means for preventing resetting while abnormal condition persists, e.g. loose handle arrangement
Landscapes
- Keying Circuit Devices (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
An anti-pumping device of a permanent-magnet operation mechanism belongs to a circuit breaker. The circuit breaker comprises a permanent-magnet operation mechanism, a switching-on button ST, a switching-on signal lamp HR2, a test position travel switch S8, a working position travel switch S9, the anti-pumping device of the permanent-magnet operation mechanism and a power supply control mini bus KM, wherein the switching-on button ST is connected with the switching-on signal lamp HR2, the test position travel switch S8 is connected in parallel with the working position travel switch S9, one end of the test position travel switch S8 and the working position travel switch S9 which are connected in parallel is connected with the switching-on button ST, the other end is connected with the anti-pumping device of the permanent-magnet operation mechanism, and the anti-pumping device of the permanent-magnet operation mechanism is further connected with the power supply control mini bus KM. The anti-pumping device is arranged in the permanent-magnet operation mechanism, the anti-pumping purpose is achieved by manipulating a movable break switch and a movable close switch in the permanent-magnet operation mechanism to control a switching-on tripper KO, a pumping phenomenon in a power system is effectively solved, and the running reliability of the power system is improved.
Description
Technical field
The present invention relates to a kind of permanent-magnet operating mechanism device, particularly a kind of permanent magnet operating anti-bouncing device be applied in power domain.
Background technology
Circuit breaker ensures safe operation of power system, and the important device of control and protection element, it can cut off and close short circuit current, the various zero load of folding and load circuit.Circuit breaker generally carrys out deciliter dynamic/static contact by operating structure and has realized above-mentioned task.The service behaviour of operating mechanism and quality good or not directly affect service behaviour and the reliability of circuit breaker.The operating mechanism kind of circuit breaker generally comprises, spring operating mechanism, electromagnetic operating mechanism, and along with Development of Power Electronic Technology occur permanent magnet mechanism.Spring operating mechanism is made up of spring energy-storage, combined floodgate, maintenance combined floodgate and the several part of separating brake.Advantage does not need powerful power supply, and shortcoming is complex structure, and manufacturing process is complicated, and cost is high, and reliability is comparatively difficult to ensure card.Electromagnetic operating mechanism structure is comparatively simple, but structure bulky, closing coil consumed power is very large.During permanent-magnet operating mechanism work, main motion parts only has one;, locker de-without the need to machinery; the source of trouble is few, and reliability is higher, and long service life; generally reach more than 100,000 times; control divide-shut brake phase place simultaneously, realize Synchronization Control, thus reduce over voltage and shove to the impact of system; reduce the input of system protection, improve entire system life-span permanent magnet mechanism.
The on/off switch of circuit breaker is by manual opening-closing device (button) or electrically on/off switch signal command triggering.When using manually or electrical command makes breaker closing, if the non-involution of closing by hand device, or electrical command controls contact and breaks down, such as, control electric shock and be stuck, will cause combined floodgate order sustainable existence.If now, just relaying protection action makes circuit breaker trip, then execution is closed a floodgate to order and again closed a floodgate by the circuit breaker after tripping operation, " jump-close " phenomenon occurs even repeatedly, so-called in electric power system that Here it is " jump " phenomenon.The appearance of " jump " has a strong impact on the even running of electric power system, the destruction of whole electric power system can be caused time serious, so prevent the generation of chattering (be called for short " anti-jump ") device from being the important guarantee of power system security, so-called " anti-jump ", utilize mechanical locking device or electric locking device to make a combined floodgate order to continue the long time exactly, but this combined floodgate order can only be closed a floodgate once by operating breaker.If circuit breaker will close a floodgate for the second time, then must resend order of closing a floodgate after previous combined floodgate order disappears.It is anti-jump that traditional spring operating mechanism and electromagnetic operating mechanism adopt mechanical locking device and electric locking device to realize respectively, and it is anti-jump that permanent-magnet operating mechanism then cannot adopt above-mentioned locking device to realize.Permanent-magnet operating mechanism is simple to operate, and reactance voltage shoves ability by force, and reliability is high, and the life-span is long, is more and more subject to the favor of user, but permanent-magnet operating mechanism of the prior art does not possess anti-bouncing function.
Summary of the invention
Because described in background technology, the object of the present invention is to provide a kind of leap preventing device of permanent magnet mechanism.
The object of the invention is to be achieved through the following technical solutions:
A kind of circuit breaker, described circuit breaker comprises, permanent-magnet operating mechanism, switch knob ST, switching signal lamp HR2, test position travel switch S8, service position travel switch S9, permanent-magnet operating mechanism anti-bouncing device, controls the little bus KM of power supply.Described circuit breaker also comprises, the conjunction switching signal lamp HR2 be connected with switch knob ST, test position travel switch S8 and service position travel switch S9 is connected in parallel, its be connected in parallel after one end be connected with switch knob ST, the other end is connected with permanent-magnet operating mechanism anti-bouncing device, and permanent-magnet operating mechanism anti-bouncing device is also connected with the little bus KM of control power supply.Permanent-magnet operating mechanism anti-bouncing device comprises, dynamic circuit breaker contact, normally opened contact, combined floodgate release KO, anti-trip relay KA coil, wherein, dynamic circuit breaker contact comprises the dynamic circuit breaker contact switch KA and dynamic circuit breaker contact auxiliary switch QF that are connected in series, normally opened contact comprises the normally opened contact K switch A and normally opened contact auxiliary switch QF that are connected in parallel, one end of dynamic circuit breaker contact is connected with combined floodgate release KO, one end of normally opened contact is connected with anti-trip relay KA coil, the other end of dynamic circuit breaker contact and the other end of normally opened contact form the link of the parallel-connection structure that permanent-magnet operating mechanism anti-bouncing device and test position travel switch S8 and service position travel switch S9 are formed jointly, combined floodgate release KO and anti-trip relay KA coil are jointly connected to and control the little bus KM of power supply.When ordering without closing a floodgate, anti-trip relay KA coil is failure to actuate, and the dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF is all in dynamic circuit breaker position, when switch knob ST is closed, after switching signal sends, closing circuit is energized through testing position stroke switch S 8, and electric current arrives combined floodgate release KO by the dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF, breaker closing puts in place, dynamic circuit breaker contact in permanent-magnet operating mechanism anti-bouncing device and the state of normally opened contact are switched, dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF is opened, cut off the electric current between combined floodgate release KO and closing circuit, meanwhile, normally opened contact K switch A in normally opened contact and normally opened contact auxiliary switch QF is closed, the solenoid of anti-trip relay KA coil is switched on, if now combined floodgate order is kept, then anti-trip relay KA coil starts, the contact action of anti-trip relay KA coil makes the dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF disconnect, then combined floodgate release KO and closing circuit are cut off, normally opened contact K switch A in normally opened contact and normally opened contact auxiliary switch QF closes and connects the solenoid of anti-trip relay KA coil itself, form self-holding circuit, if combined floodgate order sustainable existence, then anti-trip relay KA coil self-holding circuit will be kept always, the dynamic circuit breaker contact switch KA of closing circuit in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF place are disconnected, even if circuit breaker gets back to open position, combined floodgate release KO can not receive order of closing a floodgate again yet, circuit breaker also just can not electrically be closed a floodgate, if need again to close a floodgate, then previous combined floodgate order must be cancelled.After the power-off of anti-trip relay KA coil self-holding circuit, contact resets, and dynamic circuit breaker contact will again close and connect closing circuit, and circuit breaker gets back to preparation loop of closing a floodgate.
The present invention also comprises a kind of anti-jump method of permanent-magnet operating mechanism, and when ordering without closing a floodgate, anti-trip relay KA coil is failure to actuate, and the dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF is all in dynamic circuit breaker position, when switch knob ST is closed, after switching signal sends, closing circuit be energized through test position travel switch S8, and electric current passes through dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF and arrives combined floodgate release KO, breaker closing puts in place, dynamic circuit breaker contact in permanent-magnet operating mechanism anti-bouncing device and the state of normally opened contact are switched, dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF is opened, cut off the electric current between combined floodgate release KO and closing circuit, meanwhile, normally opened contact K switch A in normally opened contact and normally opened contact auxiliary switch QF is closed, the solenoid of anti-trip relay KA coil is switched on, if now combined floodgate order is kept, then anti-trip relay KA coil starts, the contact action of anti-trip relay KA coil makes the dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF disconnect, then combined floodgate release KO and closing circuit are cut off, normally opened contact K switch A in normally opened contact and normally opened contact auxiliary switch QF closes and connects the solenoid of anti-trip relay KA coil itself, form self-holding circuit, if combined floodgate order sustainable existence, then anti-trip relay KA coil self-holding circuit will be kept always, the dynamic circuit breaker contact switch KA of closing circuit in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF place are disconnected, even if circuit breaker gets back to open position, combined floodgate release KO can not receive order of closing a floodgate again yet, circuit breaker also just can not electrically be closed a floodgate, if need again to close a floodgate, then previous combined floodgate order must be cancelled.After the power-off of anti-trip relay KA coil self-holding circuit, contact resets, and dynamic circuit breaker contact will again close and connect closing circuit, and circuit breaker gets back to preparation loop of closing a floodgate.
Relative to prior art, the present invention has the following advantages:
In permanent-magnet operating mechanism, anti-bouncing device is set, and control combined floodgate release KO to reach anti-jump object by the dynamic circuit breaker switch in manipulation permanent-magnet operating mechanism, dynamic circuit connector switch, effectively solve the appearance of chattering in electric power system, improve the reliability of power system operation.
Accompanying drawing explanation
Fig. 1: circuit breaker preparation closing circuit figure;
Fig. 2: closing circuit of circuit breaker figure;
Fig. 3: breaker closing puts in place, permanent magnet mechanism anti-bouncing device starting-up later time figure;
Fig. 4: breaker closing order sustainable existence, permanent magnet mechanism anti-bouncing device performance loop figure.
Specific embodiment
In order to technical scheme of the present invention is better described, first first introduce the working method of permanent-magnet operating mechanism, permanent-magnet operating mechanism comprises permanent magnet, closing coil and switching winding.When circuit breaker is in open position, the dynamic static iron core of iron core near top, move gap between iron core and the static iron core on top less, corresponding magnetic resistance is also less, and it is comparatively large to move gap between iron core and the static iron core of bottom, corresponding magnetic resistance is also comparatively large, therefore the magnetic line of force major part that permanent magnet is formed concentrates on top, thus produce very large upwards attraction, dynamic iron core is adsorbed on top tightly, when circuit breaker will close a floodgate, closing coil passes through switching current, produce induced field, this magnetic field produces downward attraction to dynamic iron core, along with the increase of switching current, this downward attraction is changed from small to big, when switching current arrives a certain critical value, the resultant direction that dynamic iron core is subject to is downward, start to move downward, when dynamic iron core arrives bottom, dynamic iron core is adsorbed on bottom by magnetic field that permanent magnet and closing coil produce firmly, after a few second, switching current disappears, dynamic iron core is remained on lower position by the magnetic field that now permanent magnet produces, so far, circuit breaker completes closing operation.Based on same principle, when switching winding obtain electric after, dynamic iron core moves upward, and by permanent magnet, it is remained on open position equally.
Circuit breaker comprises, switch knob ST, the conjunction switching signal lamp HR2 be connected with switch knob, test position travel switch S8, service position travel switch S9, and test position travel switch S8, service position travel switch S9 is connected in parallel, the one end be connected in parallel is connected with switch knob ST, and the other end is connected with permanent-magnet operating mechanism anti-bouncing device, and permanent-magnet operating mechanism anti-bouncing device is also connected with the little bus KM of control power supply.Permanent-magnet operating mechanism anti-bouncing device comprises, dynamic circuit breaker contact, normally opened contact, combined floodgate release KO, anti-trip relay KA coil, wherein, dynamic circuit breaker contact comprises the dynamic circuit breaker contact switch KA and dynamic circuit breaker contact auxiliary switch QF that are connected in series, normally opened contact comprises the normally opened contact K switch A and normally opened contact auxiliary switch QF that are connected in parallel, one end of dynamic circuit breaker contact is connected with combined floodgate release KO, one end of normally opened contact is connected with anti-trip relay KA coil, the other end of dynamic circuit breaker contact and the other end of normally opened contact form the link of the parallel-connection structure that permanent-magnet operating mechanism anti-bouncing device and test position travel switch S8 and service position travel switch S9 are formed jointly, combined floodgate release KO and anti-trip relay KA coil are jointly connected to and control the little bus KM of power supply.
Permanent-magnet operating mechanism anti-bouncing device method of work of the present invention is as follows, and as shown in Figure 1, the circuit breaker preparation including permanent-magnet operating mechanism anti-bouncing device is closed a floodgate, when ordering without closing a floodgate, anti-trip relay KA coil is failure to actuate, and the dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF is all in dynamic circuit breaker position, as shown in Figure 2, when switch knob ST is closed, after switching signal sends, closing circuit be energized through test position travel switch S8, and electric current passes through dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF and arrives combined floodgate release KO, as shown in Figure 3, breaker closing puts in place, dynamic circuit breaker contact in permanent-magnet operating mechanism anti-bouncing device and the state of normally opened contact are switched, dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF is opened, cut off the electric current between combined floodgate release KO and closing circuit, meanwhile, normally opened contact K switch A in normally opened contact and normally opened contact auxiliary switch QF is closed, the solenoid of anti-trip relay KA coil is switched on, if now combined floodgate order is kept, then anti-trip relay KA coil starts, the contact action of anti-trip relay KA coil makes the dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF disconnect, then combined floodgate release KO and closing circuit are cut off, normally opened contact K switch A in normally opened contact and normally opened contact auxiliary switch QF closes and connects the solenoid of anti-trip relay KA coil itself, form self-holding circuit, as Fig. 4, if combined floodgate order sustainable existence, then anti-trip relay KA coil self-holding circuit will be kept always, the dynamic circuit breaker contact switch KA of closing circuit in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF place are disconnected, even if circuit breaker gets back to open position, combined floodgate release KO can not receive order of closing a floodgate again yet, circuit breaker also just can not electrically be closed a floodgate, if need again to close a floodgate, then previous combined floodgate order must be cancelled.After the power-off of anti-trip relay KA coil self-holding circuit, contact reset, dynamic circuit breaker contact will again close and connect closing circuit, circuit breaker get back to Fig. 1 close a floodgate prepare loop.
As can be seen here, in permanent-magnet operating mechanism, anti-bouncing device is set, and control combined floodgate release KO to reach anti-jump object by the dynamic circuit breaker contact switch in manipulation permanent-magnet operating mechanism, normally opened contact switch, effectively solve the appearance of chattering in electric power system, improve the reliability of power system operation.
Claims (5)
1. a permanent-magnet operating mechanism anti-bouncing device, it is characterized in that: it belongs to a kind of circuit breaker, described circuit breaker comprises: permanent-magnet operating mechanism, switch knob ST, switching signal lamp HR2, test position travel switch S8, service position travel switch S9, described permanent-magnet operating mechanism anti-bouncing device and the little bus KM of control power supply.
2. permanent-magnet operating mechanism anti-bouncing device as claimed in claim 1, it is characterized in that: described circuit breaker also comprises: the switching signal lamp HR2 be connected with switch knob ST, test position travel switch S8 and service position travel switch S9 is connected in parallel, its be connected in parallel after one end be connected with switch knob ST, the other end is connected with permanent-magnet operating mechanism anti-bouncing device, and described permanent-magnet operating mechanism anti-bouncing device is also connected with the little bus KM of control power supply.
3. permanent-magnet operating mechanism anti-bouncing device as claimed in claim 1, it is characterized in that: it comprises: dynamic circuit breaker contact, normally opened contact, combined floodgate release KO and anti-trip relay KA coil, wherein, dynamic circuit breaker contact comprises the dynamic circuit breaker contact switch KA and dynamic circuit breaker contact auxiliary switch QF that are connected in series, normally opened contact comprises the normally opened contact K switch A and normally opened contact auxiliary switch QF that are connected in parallel, one end of dynamic circuit breaker contact is connected with combined floodgate release KO, one end of normally opened contact is connected with anti-trip relay KA coil, the other end of dynamic circuit breaker contact and the other end of normally opened contact form the link of the parallel-connection structure that permanent-magnet operating mechanism anti-bouncing device and test position travel switch S8 and service position travel switch S9 are formed jointly, combined floodgate release KO and anti-trip relay KA coil are jointly connected to and control the little bus KM of power supply.
4. the permanent-magnet operating mechanism anti-bouncing device according to any one of claim 1-3, it is characterized in that: when ordering without closing a floodgate, anti-trip relay KA coil is failure to actuate, and the dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF is all in dynamic circuit breaker position, when switch knob ST is closed, after switching signal sends, closing circuit is energized through testing position stroke switch S 8, and electric current arrives combined floodgate release KO by the dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF, breaker closing puts in place, dynamic circuit breaker contact in permanent-magnet operating mechanism anti-bouncing device and the state of normally opened contact are switched, dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF is opened, cut off the electric current between combined floodgate release KO and closing circuit, meanwhile, normally opened contact K switch A in normally opened contact and normally opened contact auxiliary switch QF is closed, the solenoid of anti-trip relay KA coil is switched on, if now combined floodgate order is kept, then anti-trip relay KA coil starts, the contact action of anti-trip relay KA coil makes the dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF disconnect, then combined floodgate release KO and closing circuit are cut off, normally opened contact K switch A in normally opened contact and normally opened contact auxiliary switch QF closes and connects the solenoid of anti-trip relay KA coil itself, form self-holding circuit, if combined floodgate order sustainable existence, then anti-trip relay KA coil self-holding circuit will be kept always, the dynamic circuit breaker contact switch KA of closing circuit in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF place are disconnected, even if circuit breaker gets back to open position, combined floodgate release KO can not receive order of closing a floodgate again yet, circuit breaker also just can not electrically be closed a floodgate, if need again to close a floodgate, then previous combined floodgate order must be cancelled.After the power-off of anti-trip relay KA coil self-holding circuit, contact resets, and dynamic circuit breaker contact will again close and connect closing circuit, and circuit breaker gets back to preparation loop of closing a floodgate.
5. the method that permanent-magnet operating mechanism is anti-jump, is characterized in that: when ordering without closing a floodgate, anti-trip relay KA coil is failure to actuate, and the dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF is all in dynamic circuit breaker position, when switch knob ST is closed, after switching signal sends, closing circuit be energized through test position travel switch S8, and electric current passes through dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF and arrives combined floodgate release KO, breaker closing puts in place, dynamic circuit breaker contact in permanent-magnet operating mechanism anti-bouncing device and the state of normally opened contact are switched, dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF is opened, cut off the electric current between combined floodgate release KO and closing circuit, meanwhile, normally opened contact K switch A in normally opened contact and normally opened contact auxiliary switch QF is closed, the solenoid of anti-trip relay KA coil is switched on, if now combined floodgate order is kept, then anti-trip relay KA coil starts, the contact action of anti-trip relay KA coil makes the dynamic circuit breaker contact switch KA in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF disconnect, then combined floodgate release KO and closing circuit are cut off, normally opened contact K switch A in normally opened contact and normally opened contact auxiliary switch QF closes and connects the solenoid of anti-trip relay KA coil itself, form self-holding circuit, if combined floodgate order sustainable existence, then anti-trip relay KA coil self-holding circuit will be kept always, the dynamic circuit breaker contact switch KA of closing circuit in dynamic circuit breaker contact and dynamic circuit breaker contact auxiliary switch QF place are disconnected, even if circuit breaker gets back to open position, combined floodgate release KO can not receive order of closing a floodgate again yet, circuit breaker also just can not electrically be closed a floodgate, if need again to close a floodgate, then previous combined floodgate order must be cancelled.After the power-off of anti-trip relay KA coil self-holding circuit, contact resets, and dynamic circuit breaker contact will again close and connect closing circuit, and circuit breaker gets back to preparation loop of closing a floodgate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510530172.4A CN105047491B (en) | 2015-08-26 | 2015-08-26 | A kind of permanent-magnet operating mechanism anti-bouncing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510530172.4A CN105047491B (en) | 2015-08-26 | 2015-08-26 | A kind of permanent-magnet operating mechanism anti-bouncing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105047491A true CN105047491A (en) | 2015-11-11 |
| CN105047491B CN105047491B (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510530172.4A Active CN105047491B (en) | 2015-08-26 | 2015-08-26 | A kind of permanent-magnet operating mechanism anti-bouncing device |
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| Country | Link |
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| CN (1) | CN105047491B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994680A (en) * | 2017-12-26 | 2018-05-04 | 宁波安通电气科技有限公司 | Intelligent high-voltage dual power automatic switching control equipment |
| CN108872840A (en) * | 2018-05-09 | 2018-11-23 | 北京交通大学 | A kind of mimic-disconnecting switch |
| CN110148545A (en) * | 2019-06-20 | 2019-08-20 | 吉林永大电气开关有限公司 | Device is moved in the delay of permanent-magnet breaker emergency opening again |
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| CN202712770U (en) * | 2012-07-10 | 2013-01-30 | 吉林龙鼎电气股份有限公司 | Universal novel permanent magnetic anti-trip junction box |
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| CN205194636U (en) * | 2015-08-26 | 2016-04-27 | 吉林瀚丰电气有限公司 | Permanent magnetism operating device anti -bouncing device |
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| JPH07147117A (en) * | 1993-11-25 | 1995-06-06 | Matsushita Electric Works Ltd | Remote controlled circuit breaker and operational apparatus therefor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994680A (en) * | 2017-12-26 | 2018-05-04 | 宁波安通电气科技有限公司 | Intelligent high-voltage dual power automatic switching control equipment |
| CN107994680B (en) * | 2017-12-26 | 2023-08-04 | 宁波安通电气科技有限公司 | Intelligent high-voltage dual-power automatic switching device |
| CN108872840A (en) * | 2018-05-09 | 2018-11-23 | 北京交通大学 | A kind of mimic-disconnecting switch |
| CN108872840B (en) * | 2018-05-09 | 2019-11-15 | 北京交通大学 | A kind of mimic-disconnecting switch |
| CN110148545A (en) * | 2019-06-20 | 2019-08-20 | 吉林永大电气开关有限公司 | Device is moved in the delay of permanent-magnet breaker emergency opening again |
| CN110148545B (en) * | 2019-06-20 | 2024-04-26 | 吉林永大电气开关有限公司 | Emergency brake-separating time-delay restarting device of permanent magnet circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105047491B (en) | 2018-09-14 |
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