CN206401256U - The auto recloser of breaker - Google Patents
The auto recloser of breaker Download PDFInfo
- Publication number
- CN206401256U CN206401256U CN201720010209.5U CN201720010209U CN206401256U CN 206401256 U CN206401256 U CN 206401256U CN 201720010209 U CN201720010209 U CN 201720010209U CN 206401256 U CN206401256 U CN 206401256U
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- Prior art keywords
- clutch
- gear
- magnet
- wiring board
- intelligent control
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Abstract
The utility model is related to a kind of auto recloser of breaker, including housing, transmission mechanism, intelligent control wiring board, transmission mechanism includes clockwise and anticlockwise motor, driving gear, reduction gear component, clutch pack, reduction gear component includes imperial crown gear, first reduction gearing, second reduction gearing, 3rd reduction gearing, clutch pack includes clutch gear, clutch shaft, mounting hole is provided with the upper surface of clutch shaft, first magnet is provided with clutch shaft, on intelligent control wiring board the separating brake hall sensor being engaged with the first magnet is disposed with the movement locus of correspondence clutch shaft, combined floodgate hall sensor, on clutch gear second magnet is provided with the side of the first magnet of correspondence, the motor reversal control hall sensor being engaged with the second magnet is provided with intelligent control wiring board at the side of correspondence separating brake hall sensor.The utility model has the advantages that compact conformation, service life length, safe and reliable.
Description
Technical field
The utility model is related to breaker technical field, and in particular to a kind of external breaker of prepayment meter it is automatic
Reclosing device.
Background technology
At present, it is eager to need to control electricity on the premise of safe operation of electric network is required with the development of China's intelligent grid
Device is intelligent.For example, using cooperatively for prepayment meter and prepayment small-sized circuit breaker, can make electricity consumer in prepayment electric expense
Power supply is automatically cut off when using up.Distribution of the power supply unit to electric energy is so greatly facilitated to control.But, when user continues to pay dues
Afterwards, the breaker of user timely automated can not close a floodgate, in addition it is also necessary to which user or powered operation personnel are manually operated, to user with
It is inconvenient to come, the need for can not adapting to power network intelligent development.In order to tackle on new situation change, existing miniature circuit breaker
Auto recloser is provided with, however, the structure design of the auto recloser of existing miniature circuit breaker is unreasonable,
When circuit breaks down, it is necessary to breaker fast trip, but the handle of breaker is but limited to the auto recloser
Control handle can not quickly retract, be exactly very serious potential safety hazard, it is impossible to ensure the electricity consumption of user for a user
Safety.
The content of the invention
The purpose of this utility model is to overcome the defect of prior art, and there is provided a kind of compact conformation, service life length, peace
The auto recloser of the breaker for dividing, closing a floodgate that is complete reliable and can accurately and reliably realizing miniature circuit breaker.
To achieve the above object, the utility model uses a kind of auto recloser of breaker, including housing, transmission
Mechanism, intelligent control wiring board, described housing include base and upper lid, and being constituted between base and upper lid has an accommodating cavity,
Described transmission mechanism, intelligent control wiring board are separately positioned in described accommodating cavity, and described transmission mechanism is included by intelligence
The clockwise and anticlockwise motor of energy control circuit board control, the driving gear and driving gear being arranged on the output shaft of clockwise and anticlockwise motor
Link the reduction gear component set, the clutch pack with reduction gear component linkage setting, described reduction gear component
Including the imperial crown gear being meshed with driving gear, the first reduction gearing being meshed with imperial crown gear, with the first reduction gearing
The second reduction gearing being meshed, the 3rd reduction gearing being meshed with the second reduction gearing, described clutch pack include
The clutch gear being meshed with the 3rd reduction gearing, the clutch for being arranged in clutch gear and clutch structure being constituted with clutch gear
It is provided with axle, the upper surface of clutch shaft on the mounting hole for being connected with small-size breaker handle axle, described clutch shaft
It is disposed with the movement locus for being provided with first magnet, described intelligent control wiring board correspondence clutch shaft and the
The one of the first magnet of correspondence on separating brake hall sensor that one magnet is engaged, combined floodgate hall sensor, described clutch gear
It is provided with second magnet, intelligent control wiring board and is provided with and second at the side of correspondence separating brake hall sensor at side
The motor reversal control hall sensor that magnet is engaged.
The beneficial effect of said structure is：Reducing gear is provided with the transmission mechanism of the auto recloser of the breaker
Wheel assembly, reduction gear component has the advantages that reliable stable transmission, service life length, bearing capacity are high, and on transmission mechanism
Clutch pack is provided with, the automatic reclosing for realizing miniature circuit breaker can be effectively ensured in the clutch pack, again will not shadow
Ring normal point to miniature circuit breaker, close a floodgate, and be provided with clutch shaft and the separating brake hall sensing on intelligent control wiring board
The first magnet that device, combined floodgate hall sensor are engaged, realizes the division gate position detection of breaker, and ensure that the driver
The precision of structure positioning, improves the reliability of transmission mechanism transmission, and is provided with clutch gear and intelligent control circuit
The second magnet that motor reversal control hall sensor on plate is engaged, so as to ensure breaker after reclosing, clutch
Gear is inverted, and clutch gear is in free mated condition with clutch shaft, from the normal separating brake without influence miniature circuit breaker, and should
The auto recloser of breaker has compact conformation, service life length, safe and reliable and can accurately and reliably realize small
The advantage divided, closed a floodgate of type breaker.
Especially, a stopper slot is provided with described clutch gear, described clutch shaft is arranged in stopper slot, from
Sympodium can in stopper slot free reciprocating rotation, and radian and the small-size breaker handle arc of rotation of the free reciprocating rotation of clutch shaft
Degree is identical.By being provided with the stopper slot being engaged with clutch shaft on clutch gear, so that the clutch pack can be realized
Clutch function, so that the auto recloser can be reliably achieved dividing, closing a floodgate for miniature circuit breaker, and is not interfered with small-sized
Normal point, combined floodgate of breaker.
Especially, an arcuate socket, and first are provided with the first magnet in described stopper slot on correspondence clutch shaft
The lower end of magnet with clutch shaft action can the reciprocating action in arcuate socket, and radian and the small-size breaker handle of arcuate socket rotate
Radian is identical.By the way that the lower end of the first magnet is arranged in arcuate socket, it is ensured that the separating brake Hall on intelligent control wiring board
Inductor, combined floodgate hall sensor are capable of the signal of the magnet of reliable reception first, improve the auto recloser to small-sized
The precision of circuit-breaker switching on-off position detection.
Especially, a locating shaft is provided with the lower surface of described clutch shaft, the locating shaft is arranged on pedestal
In positioning hole, and the upper end of clutch shaft is provided with a clamp portion, and the clamp portion is movably arranged in the through hole of lid, described
Mounting hole is arranged on the upper surface in clamp portion.By the way that the two ends of clutch shaft are installed in base and upper lid respectively, increase
Clutch shaft and base, upper lid contact area it is big, so as to increase the torsion of clutch shaft, it is ensured that the reclosing device can
The switch closing and switch opening action of miniature circuit breaker is realized by ground.
Especially, the side of the 3rd reduction gearing of correspondence is provided with a locating dowel, locating dowel and set in described base
Be equipped with accident indicator, the accident indicator include be movably arranged in locating dowel driving lever, be hinged on driving lever and base
Between torsion spring, be provided with the 3rd magnet, described intelligent control wiring board on the lower surface of described driving lever be provided with
The failure being exposed at outside pedestal is provided with the indicating fault hall sensor that 3rd magnet is engaged, and intelligent control wiring board to refer to
Show lamp, be provided with gangbar on the upper surface of described driving lever, the upper end of gangbar is extended to outside lid, and the upper end of gangbar
It is connected on the operating mechanism of miniature circuit breaker.It is engaged by being provided with base with the operating mechanism of miniature circuit breaker
Accident indicator, when miniature circuit breaker breaks down or during arrearage, miniature circuit breaker tripping operation, the operating mechanism of miniature circuit breaker
Driving lever action is driven, so that indicating fault hall sensor detects failure or arrearage signal, so that on intelligent control wiring board
Malfunction indicator lamp can remind user in time, now, if power supply interrupts power transmission again suddenly, auto recloser will not from
Dynamic circuit connector lock, breaker can only lean on closing by hand after fixing a breakdown, and ensure the personal safety of maintenance personal, improve the automatic reclosing
The security performance of brake gear.
Especially, it is provided with a self-locking hole, self-locking hole and is movably set with correspondence clutch gear on described base
Correspondence on the instruction groove being exposed at outside base, the outer wall of base is provided with one self-locking body, the upper surface of the self-locking body and indicates groove
Place is provided with and a jam plate being engaged with clutch gear is provided with sign, and the lower end of self-locking body, and the jam plate is with certainly
Latch fitting acts and can be stuck by clutch gear.By being provided with self-locking body on base, by rotating, self-locking body is changeable to be somebody's turn to do certainly
The working condition and self-locking state of dynamic reclosing device, when the auto recloser needs repairing or safeguarded, maintenance personal
Rotatable self-locking body, the jam plate of self-locking body can stuck clutch gear so that the auto recloser is in self-locking state so that
Small-size breaker handle can not be acted, and the miniature circuit breaker because of caused by maloperation can be avoided to close a floodgate, ensured maintenance personal's
Personal safety, improves the security performance of the auto recloser.
Especially, a band switch is provided with described intelligent control wiring board, the toggle of the band switch is set
In switch hole on pedestal.By being provided with a band switch on intelligent control wiring board, the band switch can be realized
The manual reclosing function of the reclosing device and the switching of automatic reclosing function, when low-voltage network needs repairing, dimension
Band switch can be switched to manual position by the personnel of repairing, and the automatic reclosing function of the auto recloser is closed, so as to
Prevent that incoming call makes small-size breaker handle close a floodgate suddenly, it is ensured that the safety of maintenance personal, so as to improve the automatic reclosing
The security performance of device.
Brief description of the drawings
Fig. 1 is the utility model embodiment stereogram.
Fig. 2 is the structural representation of the utility model embodiment gate-dividing state.
Fig. 3 is the structural representation of the utility model embodiment "on" position.
Fig. 4 is the stereogram that the utility model embodiment removes the transmission mechanism after clockwise and anticlockwise motor.
Fig. 5 is the stereogram of the utility model clutch gear.
Fig. 6 is the stereogram of the utility model self-locking body.
Fig. 7 is the stereogram of the utility model clutch shaft.
Fig. 8 is the stereogram of the utility model pedestal.
Fig. 9 is the stereogram covered on the utility model.
Figure 10 is the stereogram of the utility model intelligent control wiring board.
Embodiment
As shown in Fig. 1~10, the utility model embodiment is a kind of auto recloser of breaker, including housing
10th, transmission mechanism 20, intelligent control wiring board 30, described housing 10 include base 11 and upper lid 12, base 11 and upper lid 12
Between constitute and have an accommodating cavity, described transmission mechanism 20, intelligent control wiring board 30 are separately positioned on described accommodating cavity
It is interior, clockwise and anticlockwise motor 21 that described transmission mechanism 20 includes being controlled by intelligent control wiring board 30, it is arranged on clockwise and anticlockwise motor
Driving gear 22 on 21 output shaft, reduction gear component 23 and reduction gear component with the linkage setting of driving gear 22
The clutch pack 24 that 23 linkages are set, described reduction gear component 23 includes the imperial crown gear being meshed with driving gear 22
231st, the first reduction gearing 232 being meshed with imperial crown gear 231, the second reducing gear being meshed with the first reduction gearing 232
Wheel 233, the 3rd reduction gearing 234 being meshed with the second reduction gearing 233, described clutch pack 24 include subtracting with the 3rd
Clutch gear 241 that fast gear 234 is meshed, it is arranged in clutch gear 241 and constitutes clutch structure with clutch gear 241
The mounting hole 2421 for being connected with small-size breaker handle axle is provided with clutch shaft 242, the upper surface of clutch shaft 242,
Correspondence clutch shaft 242 on first magnet 25, described intelligent control wiring board 30 is provided with described clutch shaft 242
The separating brake hall sensor 31 being engaged with the first magnet 25, combined floodgate hall sensor 32, institute are disposed with movement locus
On the clutch gear 241 stated second magnet 26, intelligent control wiring board 30 are provided with the side of the first magnet 25 of correspondence
The motor reversal control hall sensing being engaged with the second magnet 26 is provided with the side of upper correspondence separating brake hall sensor 31
Device 33.As shown in Figure 4,5, a stopper slot 2411 is provided with described clutch gear 241, described clutch shaft 242 is set
In stopper slot 2411, clutch shaft 242 can in stopper slot 2411 free reciprocating rotation, and the free reciprocating rotation of clutch shaft 242
Radian and small-size breaker handle to rotate radian identical.What is be engaged by being provided with clutch gear with clutch shaft is spacing
Groove, so that the clutch function of the clutch pack can be realized, so that the auto recloser can be reliably achieved small-sized break
Road device point, close a floodgate, and do not interfere with normal point of miniature circuit breaker, close a floodgate.As shown in Fig. 4,5,7, described stopper slot
Be provided with an arcuate socket 2412 at the first magnet 25 in 2411 on correspondence clutch shaft 242, and the first magnet 25 lower end with
The action of clutch shaft 242 can the reciprocating action in arcuate socket 2412, and radian and the small-size breaker handle of arcuate socket 2412 rotate
Radian is identical.By the way that the lower end of the first magnet is arranged in arcuate socket, it is ensured that the separating brake Hall on intelligent control wiring board
Inductor, combined floodgate hall sensor are capable of the signal of the magnet of reliable reception first, improve the auto recloser to small-sized
The precision of circuit-breaker switching on-off position detection.Determine as shown in fig. 7, being provided with one on the lower surface of described clutch shaft 242
Position axle 2422, the locating shaft 2422 is set in positioning hole 111 on the base 11, and the upper end of clutch shaft 2422 is provided with one
Clamp portion 2423, the clamp portion 2423 is movably arranged in the through hole 121 of lid 12, and described mounting hole 2421 is arranged on clamp
On the upper surface in portion 2423.By the way that the two ends of clutch shaft are installed in base and upper lid respectively, increase clutch shaft and base,
The contact area of upper lid is big, so as to increase the torsion of clutch shaft, it is ensured that the reclosing device can be reliably achieved small-sized
The switch closing and switch opening action of breaker.
As shown in Fig. 2,3,8, the side of the 3rd reduction gearing 234 of correspondence is provided with a locating dowel in described base 11
112, accident indicator 40 is provided with locating dowel 112, and the accident indicator 40 includes being movably arranged in locating dowel 112
Driving lever 41, the torsion spring 42 that is hinged between driving lever 41 and base 11, be provided with the 3rd magnetic on the lower surface of described driving lever 41
The indicating fault hall sensor 34 being engaged with the 3rd magnet 43 is provided with iron 43, described intelligent control wiring board 30,
And it is provided with the malfunction indicator lamp 35 being exposed at outside pedestal 11 on intelligent control wiring board 30, set on the upper surface of described driving lever 41
Gangbar 44 is equipped with, the upper end of gangbar 44 is extended to outside lid 12, and the upper end of gangbar 44 is connected to miniature circuit breaker
On operating mechanism.By being provided with the accident indicator being engaged with the operating mechanism of miniature circuit breaker in base, when small
Type breaker breaks down or during arrearage, miniature circuit breaker tripping operation, and the operating mechanism of miniature circuit breaker drives driving lever action, so that
Indicating fault hall sensor detects failure or arrearage signal, so that the malfunction indicator lamp on intelligent control wiring board can
Remind user in time, now, if power supply interrupts power transmission again suddenly, auto recloser will not automatic closing, fix a breakdown
Breaker can only lean on closing by hand afterwards, ensure the personal safety of maintenance personal, improve the security of the auto recloser
Energy.
As shown in Fig. 1,2,3,6, a self-locking hole 113 is provided with correspondence clutch gear 241 on described base 11, from
It is movably set with lockhole 113 on a self-locking body 50, the upper surface of the self-locking body 50 and is provided with the instruction being exposed at outside base 11
Correspondence, which indicates to be provided with sign, and the lower end of self-locking body 50 at groove 51, on groove 51, the outer wall of base 11 is provided with one
The jam plate 52 being engaged with clutch gear 241, the jam plate 52 acts with self-locking body 50 and can be stuck by clutch gear 241.Pass through
Self-locking body is provided with base, by the working condition and self-locking shape that rotate the changeable auto recloser of self-locking body
State, when the auto recloser needs repairing or safeguarded, the rotatable self-locking body of maintenance personal, the jam plate of self-locking body can be stuck
Clutch gear so that the auto recloser is in self-locking state so that small-size breaker handle can not be acted, can avoid because
Miniature circuit breaker caused by maloperation closes a floodgate, and has ensured the personal safety of maintenance personal, has improved the auto recloser
Security performance.
As shown in Fig. 1,10, a band switch 36, the band switch are provided with described intelligent control wiring board 30
Toggle set in switch hole 114 on the base 11., should by being provided with a band switch on intelligent control wiring board
Band switch can realize manual reclosing function and the switching of automatic reclosing function of the reclosing device, work as low-voltage network
When needing repairing, band switch can be switched to manual position by maintenance personal, the automatic reclosing work(of the auto recloser
It can close, so as to prevent that incoming call makes small-size breaker handle close a floodgate suddenly, it is ensured that the safety of maintenance personal, so as to improve
The security performance of the auto recloser.Reduction gearing is provided with the transmission mechanism of the auto recloser of the breaker
Component, reduction gear component has the advantages that reliable stable transmission, service life length, bearing capacity are high, and is set on transmission mechanism
Clutch pack is equipped with, the automatic reclosing for realizing miniature circuit breaker can be effectively ensured in the clutch pack, do not interfere with again
Normal point to miniature circuit breaker, close a floodgate, and be provided with clutch shaft with the separating brake hall sensor on intelligent control wiring board,
The first magnet that combined floodgate hall sensor is engaged, realizes the division gate position detection of breaker, and ensure that the transmission mechanism
The precision of positioning, improves the reliability of transmission mechanism transmission, and is provided with clutch gear and intelligent control wiring board
On the second magnet for being engaged of motor reversal control hall sensor, so as to ensure breaker after reclosing, clutch tooth
Wheel reversion, clutch gear is in free mated condition with clutch shaft, from the normal separating brake without influence miniature circuit breaker, and this is disconnected
The auto recloser of road device has compact conformation, service life length, safe and reliable and can accurately and reliably realize small-sized
The advantage divided, closed a floodgate of breaker.
As shown in Fig. 2 when the intelligent control wiring board of the auto recloser has power supply no signal, clutch gear is not
Rotate, clutch lock is located at open position, and clutch shaft is limited by clutch gear, clutch shaft can not be rotated, so that miniature circuit breaker
Closing by hand is unable to, i.e., the auto recloser is in self-locking state；As shown in figure 3, when intelligent control wiring board is received
During switching signal, clockwise and anticlockwise motor is rotated forward, clockwise and anticlockwise motor driving reduction gear component action, and the 3rd of reduction gear component subtracts
Fast gear driving clutch gear is rotated clockwise, and now the auto recloser releases self-locking, and clutch gear drives clutch shaft
Rotate, when the first magnet rotors on clutch lock are to combined floodgate hall sensor position, miniature circuit breaker circuit breaker handle is completed
Feed motion, clockwise and anticlockwise motor stops rotating forward, and clockwise and anticlockwise motor starts reversion, and clutch gear is inverted with clockwise and anticlockwise motor, and from
When closing the second magnet rotors on gear to motor reversal control hall sensor position, motor stalls, the i.e. automatic weight
Closing device completes automatic closing action, and now, clutch gear can not limit clutch shaft and rotate counterclockwise, small-size breaker handle
Can manual brake separating so that the auto recloser does not interfere with the normal separating brake of miniature circuit breaker.
Claims (6)
1. a kind of auto recloser of breaker, including housing, transmission mechanism, intelligent control wiring board, described housing
Being constituted including base and upper lid, between base and upper lid has an accommodating cavity, described transmission mechanism, intelligent control wiring board point
It is not arranged in described accommodating cavity, it is characterised in that：Described transmission mechanism includes being controlled just by intelligent control wiring board
Reversion motor, the driving gear being arranged on the output shaft of clockwise and anticlockwise motor, the train of reduction gears set with driving gear linkage
Part, the clutch pack set with reduction gear component linkage, described reduction gear component include being meshed with driving gear
Imperial crown gear, be meshed with imperial crown gear the first reduction gearing, be meshed with the first reduction gearing the second reduction gearing,
The 3rd reduction gearing being meshed with the second reduction gearing, described clutch pack includes what is be meshed with the 3rd reduction gearing
Set on clutch gear, the clutch shaft for being arranged in clutch gear and clutch structure being constituted with clutch gear, the upper surface of clutch shaft
It is equipped with the mounting hole for being connected with small-size breaker handle axle, described clutch shaft and is provided with first magnet, institute
On the intelligent control wiring board stated the separating brake being engaged with the first magnet is disposed with the movement locus of correspondence clutch shaft suddenly
On that inductor, combined floodgate hall sensor, described clutch gear second magnetic is provided with the side of the first magnet of correspondence
On iron, intelligent control wiring board the motor reversal being engaged with the second magnet is provided with the side of correspondence separating brake hall sensor
Control hall sensor.
2. the auto recloser of breaker according to claim 1, it is characterised in that：Set on described clutch gear
Be equipped with a stopper slot, described clutch shaft is arranged in stopper slot, clutch shaft can in stopper slot free reciprocating rotation, and from
It is identical that the radian of the free reciprocating rotation of sympodium rotates radian with small-size breaker handle.
3. the auto recloser of breaker according to claim 1 or 2, it is characterised in that：Described clutch shaft
A locating shaft is provided with lower surface, the locating shaft is arranged in the positioning hole on pedestal, and the upper end of clutch shaft is provided with
One clamp portion, the clamp portion is movably arranged in the through hole of lid, and described mounting hole is arranged on the upper surface in clamp portion.
4. the auto recloser of breaker according to claim 1, it is characterised in that：Correspondence the in described base
The side of three reduction gearing is provided with a locating dowel, locating dowel and is provided with accident indicator, the accident indicator bag
Include the driving lever being movably arranged in locating dowel, the torsion spring being hinged between driving lever and base, set on the lower surface of described driving lever
It is equipped with the 3rd magnet, described intelligent control wiring board and is provided with the indicating fault hall sensing being engaged with the 3rd magnet
It is provided with the malfunction indicator lamp being exposed at outside pedestal on device, and intelligent control wiring board, is provided with the upper surface of described driving lever
Gangbar, the upper end of gangbar is extended to outside lid, and the upper end of gangbar is connected on the operating mechanism of miniature circuit breaker.
5. the auto recloser of breaker according to claim 1, it is characterised in that：On described base correspondence from
Close to be provided with a self-locking hole, self-locking hole at gear and be movably set with a self-locking body, set on the upper surface of the self-locking body
There is correspondence on the instruction groove being exposed at outside base, the outer wall of base to indicate to be provided with sign, and the lower end of self-locking body at groove
A jam plate being engaged with clutch gear is provided with, the jam plate acts with self-locking body and can be stuck by clutch gear.
6. the auto recloser of the breaker according to claim 1 or 2 or 4 or 5, it is characterised in that：Described intelligence
A band switch can be provided with control circuit board, the toggle of the band switch is arranged in the switch hole on pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720010209.5U CN206401256U (en) | 2017-01-05 | 2017-01-05 | The auto recloser of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720010209.5U CN206401256U (en) | 2017-01-05 | 2017-01-05 | The auto recloser of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206401256U true CN206401256U (en) | 2017-08-11 |
Family
ID=59512721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720010209.5U Active CN206401256U (en) | 2017-01-05 | 2017-01-05 | The auto recloser of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206401256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531581A (en) * | 2017-01-05 | 2017-03-22 | 浙江华航电气股份有限公司 | Automatic reclosing device of circuit breaker |
| CN112002589A (en) * | 2020-07-17 | 2020-11-27 | 浙江万胜智能科技股份有限公司 | Small-size autoeclosing circuit breaker transmission position detects structure |
-
2017
- 2017-01-05 CN CN201720010209.5U patent/CN206401256U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531581A (en) * | 2017-01-05 | 2017-03-22 | 浙江华航电气股份有限公司 | Automatic reclosing device of circuit breaker |
| CN106531581B (en) * | 2017-01-05 | 2018-04-13 | 浙江华航电气股份有限公司 | The auto recloser of breaker |
| CN112002589A (en) * | 2020-07-17 | 2020-11-27 | 浙江万胜智能科技股份有限公司 | Small-size autoeclosing circuit breaker transmission position detects structure |
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