CN206711854U - A kind of electronic trip unit for omnipotent breaker - Google Patents
A kind of electronic trip unit for omnipotent breaker Download PDFInfo
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- CN206711854U CN206711854U CN201720514823.5U CN201720514823U CN206711854U CN 206711854 U CN206711854 U CN 206711854U CN 201720514823 U CN201720514823 U CN 201720514823U CN 206711854 U CN206711854 U CN 206711854U
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- trip unit
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- electronic trip
- rotating disk
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Abstract
The utility model discloses a kind of electronic trip unit for omnipotent breaker, belongs to low-voltage electrical apparatus component field.It includes executing agency, and restoring board is provided with the shell block of executing agency；Switch transition components are set in the shell block, and switch transition components include supporting plate, rotating disk and the microswitch being fixed on shell block, and rotating disk and microswitch are separately positioned on the both sides of supporting plate, torsion spring set between rotating disk and supporting plate；Driving shaft is set on the one side of the rotating disk, driven shaft is set on another side, driven shaft passes through the guiding groove hole in supporting plate；The restoring board can promote driving shaft driving rotating disk to rotate and drive driven shaft to be slided in guiding groove hole to trigger microswitch.The utility model can be achieved the acquisition of multigroup trip signal and switch state signal, meet higher and higher power demand by optimizing the structure type to signal detection in the executing agency of dropout.
Description
Technical field
The utility model belongs to low-voltage electrical apparatus component field, is used for omnipotent breaker more specifically to one kind
Electronic trip unit.
Background technology
Breaker is to refer to close, carry and cut-off electric current under normal loop condition, and can be closed, in the defined time
Interior carrying and the switching device for cut-offfing electric current under abnormal loop condition (including short circuit condition).Intelligent electrical apparatus release (also referred to as controls
Device) it is mainly used in signal transacting and sends control instruction, very important effect is played in low-voltage circuit breaker, it is used for protecting
Circuit and power-supply device, protecting it from overcurrent and other failures (such as under-voltage, ground connection, disconnected equal) for influenceing its safe operation
Harm, and with rational man-machine interface, spontaneous fault diagnosis filter function, and give full play to electronic technology advantage its
His optional function.Omnipotent breaker electronic trip unit at present, the breaker of different frame sizes are adapted to corresponding electronics and threaded off
Device, not generally applicable between serial, product category is various, and cost is high；In addition, trip signal and switch state signal are few, meet not
Higher and higher electricity consumption requirement.
The electrical apparatus release of prior art has the improvement to latching position difference, as Chinese Patent Application No. is：
200920071522.5 publication date is：In August, 2010 patent document of 18 days, disclose a kind of with shift fork type self-adaptive lock
The intelligent controller of buckle mechanism, including casing, latching device, described latching device is mainly by push rod, sliding block and spring plate group
Composition, the nearly right-hand member of push rod are provided with spring film perforation, projection, institute are provided with the push rod towards sliding block side above spring film perforation
State projection and form a right angle shift fork shape with spring film perforation；The sliding block is provided with spring plate group.It mainly solves each
Low-voltage circuit breaker manufacturer inputs the difference of contact lock position, but its is complicated, component is too many, and there is poor reliability
Shortcoming；The breaker without cage is not adapted to more importantly, and versatility is poor, threads off or switch state signal is also less.
And for example, Chinese Patent Application No. is：201310359529.8 publication date is：The patent text of on 2 17th, 2016
Offer, disclose one kind can intelligent release capable of being replaced while being charged, including pedestal, shell, be arranged on shell and pedestal assembling after formed
Installation cavity in wiring board control box, the intelligent electrical apparatus release also include be used for wiring board control box is locked on pedestal
Latch-up structure and the unblock upspring structure being used cooperatively with latch-up structure, unblock upspring structure is located at pedestal and wiring board control box
Between, compression elasticity is stored, after latch-up structure unblock, unblock upspring structure controls wiring board by discharging compression elasticity
Box jacks up from shell, is changed so that operating personnel can easily take out wiring board control box.As can be seen here, its
Improvement does not simultaneously lie in the versatility for improving electrical apparatus release and increase status signal.
Certainly, in terms of versatility is improved, also there is pertinent literature proposition, as Chinese Patent Application No. is：
201120374837.4 publication date is：The patent document on May 30th, 2012 discloses a kind of detection of controller and performs machine
Structure, including pedestal, remote reset electrical apparatus release, separating brake electrical apparatus release, locking and unlocking mechanism and resetting-mechanism are fixed with pedestal,
And be fixed on reset state detection unit, gate-dividing state detection unit, circuit-breaker status detection unit on pedestal, locking and
The return unit of unlocking mechanism is connected with remote reset electrical apparatus release, dropout part and the separating brake electrical apparatus release phase of locking and unlocking mechanism
Even, reset state detection unit is connected with resetting-mechanism, and the actuating rod of reset state detection unit is acted on return unit, point
Lock state detection unit, circuit-breaker status detection unit are connected with separating brake electrical apparatus release, and reset state detection unit, separating brake shape
State detection unit, circuit-breaker status detection unit are connected with controller.The executing agency of the program improves versatility, can match somebody with somebody
Close various controller to use, but it detects trip signal or switch state signal is less.
The content of the invention
1st, to solve the problems, such as
The problem of detecting trip signal or few switching signal state for existing electrical apparatus release, the utility model provide a kind of use
, can be real by optimizing the structure type to signal detection in the executing agency of dropout in the electronic trip unit of omnipotent breaker
The acquisition of existing multigroup trip signal and switch state signal, meets higher and higher power demand.In addition, the electrical apparatus release is using knot
Structure characteristic Design, the breaker installation of different cage is adaptable to, the versatility of seriation is ensure that, reduces product category,
Save development cost.
2nd, technical scheme
To solve the above problems, the utility model adopts the following technical scheme that.
A kind of electronic trip unit for omnipotent breaker, including executing agency, it is provided with the shell block of executing agency
Restoring board；Switch transition components are set in the shell block, switch transition components include being fixed on supporting plate on shell block, rotating disk and
Microswitch, rotating disk and microswitch are separately positioned on the both sides of supporting plate, and torsion spring is set between rotating disk and supporting plate；Described turn
Driving shaft is set on the one side of disk, driven shaft is set on another side, driven shaft passes through the guiding groove hole in supporting plate；It is described multiple
Position plate can be rotated by driving shaft driving rotating disk drives driven shaft to be slided in guiding groove hole to trigger microswitch.
As a further improvement, described restoring board is resetted by restoring board spring straining.
As a further improvement, being also equipped with separating brake trip unit in described shell block, separating brake trip unit includes push pedal
With the magnetic flow convertor of connection push pedal, push pedal is resetted by push pedal spring straining.
As a further improvement, being also equipped with reset assembly in described shell block, reset assembly includes being hinged on shell block
Top plate, the lower section of top plate one end supported by back-moving spring, and the other end is provided with buckle, and buckle can be caught in the neck in push pedal
In.
As a further improvement, the reset assembly also includes switch boards and reset detection element；The one of the switch boards
End is rotatably arranged in shell block, and the other end is connected with top plate contact, and reset detection element is located at the side of switch boards, and top plate can drive
Dynamic switch boards, which rotate and trigger reset detection element, produces signal.
As a further improvement, installing remote reset coil in the shell block, remote reset coil can promote top plate to act,
Reset push pedal.
As a further improvement, the push pedal side position relative with magnetic flow convertor is provided with push rod component, push rod
Component is connected with restoring board, for driving magnetic flow convertor to reset.
As a further improvement, described push rod component includes box body and the push rod being arranged on by stage clip in box body.
As a further improvement, the shell block is provided with cap, taper hole is opened up on cap, top plate can be promoted by taper hole.
As a further improvement, the both sides of described shell block one end are respectively provided with an otic placode, otic placode is provided with waist-shaped hole, shell block
The other end be provided with circular hole.
3rd, beneficial effect
Compared to prior art, the beneficial effects of the utility model are：
(1) the utility model is used for the electronic trip unit of omnipotent breaker, and switch is set in the shell block of executing agency
Transition components realize the acquisition of multigroup trip signal or switching signal, and when in use, the cantilever on the main shaft of breaker promotes multiple
Position plate upset, restoring board contact with the driving shaft in switch transition components and promote driving shaft to drive rotating disk to rotate, rotating disk side
On driven shaft also follow and rotate together, driven shaft can trigger the microswitch set on the supporting plate, so as to send letter of threading off
Number or switching signal, and multiple driven shafts can be set on rotating disk, the microswitch in corresponding supporting plate be also provided with it is multiple, so
Multiple microswitches can be triggered simultaneously, realize the transmission of multigroup signal；The design of the switch transition components is simple, ingenious, multigroup
The output of trip signal meets higher and higher power demand；
(2) the utility model is used for the electronic trip unit of omnipotent breaker, in restoring board not by the cantilever action of main shaft
When, restoring board is switched in transition components by the moment of torsion of torsion spring by restoring board spring straining and homing, makes rotating disk anti-
To rotation, driven shaft sets back, and releases the triggering to microswitch；
(3) the utility model is used for the electronic trip unit of omnipotent breaker, completes separating brake by separating brake trip unit and grasps
Make, in circuit during failure electric current, magnetic flow convertor promotes push pedal to rotate, and push pedal drives the dropout semiaxis of breaker to move
Make, realize tripping function；
(4) the utility model is used for the electronic trip unit of omnipotent breaker, and reset assembly can manually complete push pedal
Unblock resets, and is prepared for breaker closing, in operation, by one end compression reseting spring of lower roof plate, the top plate other end
Buckle unlocks from the neck of push pedal, and push pedal resets under the effect of push pedal spring tension, is prepared to close a floodgate；
(5) the utility model is used for the electronic trip unit of omnipotent breaker, and reset assembly can also export reset signal,
During by lower roof plate, top plate promotes the switch boards being in contact with it, and switch boards rotate, and trigger reset detection element, send reset signal,
And multigroup reset detection element can be set, so as to export multigroup signal；
(6) the utility model is used for the electronic trip unit of omnipotent breaker, can remotely be controlled by remote reset coil
Reset of breaker processed is prepared for combined floodgate, and remote reset coil receives reset signal, and it promotes top plate action, releases to push pedal
Locking complete reset；
(7) the utility model be used for omnipotent breaker electronic trip unit, push rod component can top pressure magnetic flow convertor make
It resets, and in separating brake, magnetic flow convertor also promotes the push rod and compression press spring of push rod component while push pedal action is promoted
Energy is stored, push rod component is connected with restoring board, and the upset of restoring board can drive push rod component to be moved to magnetic flow convertor direction,
Force stage clip to continue to compress, treat its compression to a certain extent, push rod can reset magnetic flow convertor top pressure, be done for separating brake next time
It is good to prepare；
(8) the utility model is used for the electronic trip unit of omnipotent breaker, and taper hole is opened up on cap, has to SR
There is fine guide effect, can depress top plate after pressing SR, realize hand-reset；
(9) the utility model is used for the electronic trip unit of omnipotent breaker, the waist-shaped hole on the otic placode of shell block one end both sides
It is used to electrical apparatus release being fixed to breaker with the circular hole of the other end, it is more stable using three-point mount mode, and on otic placode
Waist-shaped hole can adapt to the adjustment of installation site, meet the installation requirements of different cage breakers so that electrical apparatus release seriation
Between versatility, reduce product category, save development cost.
Brief description of the drawings
Fig. 1 is the stereochemical structure view for the electronic trip unit that the utility model is used for omnipotent breaker；
Fig. 2 is the main view broken section structural representation that the utility model electronic trip unit performs structure；
Fig. 3 is Fig. 2 top view；
Fig. 4 is the schematic perspective view in a direction of executing agency's internal structure of the utility model electronic trip unit；
Fig. 5 is the schematic perspective view in another direction of the execution inside configuration structure of the utility model electronic trip unit.
Label in accompanying drawing is respectively：
1st, executing agency；
110th, shell block；111st, otic placode；112nd, circular hole；
120th, cap；121st, taper hole；130th, separating brake trip unit；131st, magnetic flow convertor；132nd, push pedal；1321st, neck；
133rd, push pedal spring；134th, guide rod；
140th, restoring board；141st, flat spring is resetted；
150th, push rod component；151st, box body；152nd, push rod；
160th, transition components are switched；161st, supporting plate；162nd, rotating disk；163rd, driving shaft；164th, microswitch；165th, guide groove
Hole；166th, driven shaft；
170th, reset assembly；171st, top plate；1711st, buckle；172nd, switch boards；173rd, reset detection element；174th, reset
Spring；
180th, remote reset coil；
2nd, dropout electronic section.
Embodiment
The utility model is further described below with reference to specific embodiments and the drawings.
Embodiment 1
As shown in Figures 1 to 5, the present embodiment provides a kind of electronic trip unit for omnipotent breaker, and it includes holding
Row mechanism 1 and dropout electronic section 2, dropout electronic section 2 use prior art, will not be repeated here, it is preferred that emphasis is perform machine
Structure 1.Executing agency 1 includes the shell block 110 with cavity and the cap 120 covered on shell block 110, and dropout electronic section 2 is fixed
On cap 120, separating brake trip unit 130, restoring board 140, switch transition components 160 and reset group are disposed with shell block 110
Part 170, separating brake trip unit 130 are used for the separating brake of breaker, and switch transition components 160 are used to export sub-gate signal, reset group
Part 170, which is used to reset, to be operated, and exports reset signal.Each part is described in detail separately below.
The centre of the one side relative with cap 120 is provided with semicircle pore structure on shell block 110, for accommodating the master of breaker
Axle, opening position corresponding to semicircle pore structure installs restoring board 140 in shell block 110, and restoring board 140 is rotatable, and its turning end passes through
Reset flat spring 141 to tense, that is, reset the one end of flat spring 141 connection restoring board 140, other end connection shell block 110, can tense
Restoring board 140 makes its reset.Grooved hole is opened up in the semicircle pore structure of shell block 110, cantilever is installed on main shaft, cantilever, which rotates, to be passed through
Slotted eye can promote restoring board 140 to rotate.
Switch transition components 160 include supporting plate 161, rotating disk 162 and the microswitch 164 being fixed on shell block 110, turn
Disk 162 and microswitch 164 are separately positioned on the both sides of supporting plate 161, and torsion spring is set between rotating disk 162 and supporting plate 161；Institute
Setting driving shaft 163, driving shaft 163 on the one side of rotating disk 162 is stated to be located at the top of restoring board 140, set on another side
Driven shaft 166, driven shaft 166 pass through the guiding groove hole 165 in supporting plate 161.When in use, the cantilever on the main shaft of breaker pushes away
Dynamic restoring board 140 is overturn, and restoring board 140 contacts and by the band of driving shaft 163 with the driving shaft 163 in switch transition components 160
Turn disk 162 is rotated, and driven shaft 166 also follows to be rotated together, and driven shaft 166 can trigger the fine motion being arranged in supporting plate 161
Switch 164, so as to send trip signal or switching signal, and multiple driven shafts 166 can be set on rotating disk 162, corresponding support
Microswitch 164 on plate 161 is also provided with identical quantity, as long as changing the shape of guiding groove hole 165 to meet the motion of driven shaft 166
It is required that can so trigger multiple microswitches 164 simultaneously, the transmission of multigroup signal is realized；Do not hanged in restoring board 140 by main shaft
When arm acts on, restoring board 140 tenses simultaneously homing by resetting flat spring 141, and switchs transition components 160 by torsion spring
Moment of torsion, rotate backward rotating disk 162, driven shaft 166 sets back, and releases the triggering to microswitch 164.The switch conversion group
The design of part 160 is simple, ingenious, and the output of multigroup trip signal meets higher and higher power demand.
Separating brake trip unit 130 includes push pedal 132 and connects the magnetic flow convertor 131 of push pedal 132, and the activity of push pedal 132 is set
Putting can promote push pedal 132 to act in shell block 110, magnetic flow convertor 131, and push pedal 132 is tensed by push pedal spring 133.In electricity
In road during failure electric current, magnetic flow convertor 131 promotes push pedal 132 to rotate, and push pedal 132 drives the dropout semiaxis of breaker to move
Make, realize tripping function.In the present embodiment, the side of push pedal 132 position relative with magnetic flow convertor 131 is provided with and restoring board
The push rod component 150 of 140 connections, push rod component 150 are used to drive magnetic flow convertor 131 to reset, and it includes box body 151 and passed through
Stage clip is arranged on the push rod 152 in box body 151, and the bottom of box body 151 is provided with boss, chute, box body are provided with corresponding shell block 110
151 are slidably arranged in chute by boss, and box body 151 is articulated and connected with restoring board 140, so as to which the upset of restoring board 140 can
Box body 151 is driven to move.In separating brake, for magnetic flow convertor 131 while promoting push pedal 132 to act, its front end also promotes top
The push rod 152 of bar assembly 150 and compression press spring storage energy, at the same time, the upset of restoring board 140 drive push rod component 150 to
Magnetic flow convertor 131 moves, and forces stage clip to continue to compress, and treats its compression to a certain extent, push rod 152 can be by magnetic flow convertor
Position is replied on 131 tops, is ready for separating brake next time.Herein it is to be appreciated that opening up guide hole in push pedal 132, guide hole is fixed on
A guide rod 134 on shell block 110 passes through, and upset of the guide rod 134 to push pedal 132 carries out guide support, prevents its left and right play,
Improve its impact resistance.
Reset assembly 170 includes top plate 171, switch boards 172 and the reset detection element 173 being hinged on shell block 110.Its
In, the lower section of the one end of top plate 171 is supported by back-moving spring 174, and the other end is provided with buckle 1711, and buckle 1711 can be caught in and push away
In neck 1321 on plate 132.The unblock that reset assembly 170 can manually complete push pedal 132 is prepared for breaker closing,
During operation, by one end compression reseting spring 174 of lower roof plate 171, the card of the buckle 1711 of the other end of top plate 171 from push pedal 132
Unlocked in groove 1321, push pedal 132 resets under the pulling force effect by push pedal spring 133, is prepared to close a floodgate.In addition, reset assembly
One end of switch boards 172 is rotatably arranged in shell block 110 in 170, and the other end contacts connection, reset detection element with top plate 171
173 are located at the side of switch boards 172, and top plate 171, which can drive switch boards 172 to rotate and trigger reset detection element 173, produces letter
Number.When by lower roof plate 171, top plate 171 promotes the switch boards 172 being in contact with it to rotate, triggering reset detection element 173, hair
Go out reset signal, and multigroup reset detection element 173 can be set, so as to export multigroup signal.The present embodiment resets
Detecting element 173 uses three microswitches, can detect multiple reset signals, can also use other detecting elements certainly.
Certainly, remote reset coil 180 is installed, remote reset coil 180 can promote top plate in this implementation in shell block 110
171 actions, make the buckle 1711 of top plate 171 be unlocked from the neck 1321 of push pedal 132.Can be with by remote reset coil 180
Remote control of circuit breaker resets, and is prepared to close a floodgate, and remote reset coil 180 receives reset signal, and it promotes top plate 171 dynamic
Make, release the locking to push pedal 132 and complete to reset.
It is noted that taper hole 121 is opened up in the present embodiment on cap 120, the position correspondence of taper hole 121 in top plate 171,
SR can be installed in taper hole 121, top plate 171 can be depressed after SR is pressed, realizes hand-reset.Also, shell
The both sides of 110 one end of seat are respectively provided with an otic placode 111, and otic placode 111 is provided with waist-shaped hole, and the other end of shell block 110 is provided with circular hole
112, firmly electrical apparatus release can be fixed on-board the circuit breaker by these three holes, and the waist-shaped hole on otic placode 111 is designed to fit
The adjustment of installation site is answered, meets the installation requirements of different cage breakers so that the versatility between electrical apparatus release seriation, subtract
Few product category, saves development cost.
As can be seen here, the part inside the executing agency 1 of the electrical apparatus release all carries out the design of structuring, is advantageous to improve and leads to
The property used.
Schematically the utility model and embodiments thereof are described above, this describes no restricted, accompanying drawing
Shown in be also one of embodiment of the present utility model, actual structure is not limited thereto.So if this area
Those of ordinary skill enlightened by it, do not depart from the utility model create objective in the case of, without creativeness design
The frame mode similar to the technical scheme and embodiment, the scope of protection of the utility model all should be belonged to.
Claims (10)
1. a kind of electronic trip unit for omnipotent breaker, including executing agency (1), the shell block (110) of executing agency (1)
In restoring board (140) is installed, it is characterised in that：Switch transition components (160), switch conversion are set in the shell block (110)
Component (160) includes supporting plate (161), rotating disk (162) and the microswitch (164) being fixed on shell block (110), rotating disk
(162) and microswitch (164) is separately positioned on the both sides of supporting plate (161), is set between rotating disk (162) and supporting plate (161)
Put torsion spring；Driving shaft (163) is set on the one side of the rotating disk (162), driven shaft (166) is set on another side, it is driven
Axle (166) passes through the guiding groove hole (165) in supporting plate (161)；The restoring board (140) can be driven by driving shaft (163) to be turned
Disk (162), which rotates, drives driven shaft (166) to be slided in guiding groove hole (165) to trigger microswitch (164).
A kind of 2. electronic trip unit for omnipotent breaker according to claim 1, it is characterised in that：Described answers
Position plate (140) is resetted by resetting flat spring (141) and tensing.
A kind of 3. electronic trip unit for omnipotent breaker according to claim 1, it is characterised in that：Described shell
Separating brake trip unit (130) is also equipped with seat (110), separating brake trip unit (130) includes push pedal (132) and connection push pedal
(132) magnetic flow convertor (131), push pedal (132) is tensed by push pedal spring (133) to be resetted.
A kind of 4. electronic trip unit for omnipotent breaker according to claim 3, it is characterised in that：Described shell
Reset assembly (170) is also equipped with seat (110), reset assembly (170) includes the top plate (171) being hinged on shell block (110),
The lower section of top plate (171) one end is supported by back-moving spring (174), and the other end is provided with buckle (1711), and buckle (1711) can
It is caught in the neck (1321) in push pedal (132).
A kind of 5. electronic trip unit for omnipotent breaker according to claim 4, it is characterised in that：The reset
Component (170) also includes switch boards (172) and reset detection element (173)；One end of the switch boards (172) is rotatably arranged on
In shell block (110), the other end contacts connection with top plate (171), and reset detection element (173) is located at the side of switch boards (172),
Top plate (171), which can drive switch boards (172) to rotate and trigger reset detection element (173), produces signal.
A kind of 6. electronic trip unit for omnipotent breaker according to claim 5, it is characterised in that：The shell block
(110) installation remote reset coil (180) in, remote reset coil (180) can promote top plate (171) to act, make push pedal (132)
Reset.
7. according to a kind of electronic trip unit for omnipotent breaker described in claim 3 or 4 or 5 or 6, its feature exists
In：Push pedal (132) side is provided with push rod component (150), push rod component with the relative position of magnetic flow convertor (131)
(150) it is connected with restoring board (140), for driving magnetic flow convertor (131) to reset.
A kind of 8. electronic trip unit for omnipotent breaker according to claim 7, it is characterised in that：Described top
Bar assembly (150) includes box body (151) and the push rod (152) being arranged on by stage clip in box body (151).
9. according to a kind of electronic trip unit for omnipotent breaker described in claim 3 or 4 or 5 or 6, its feature exists
In：The shell block (110) is provided with cap (120), and taper hole (121) is opened up on cap (120), can be promoted by taper hole (121)
Top plate (171).
10. a kind of electronic trip unit for omnipotent breaker according to any one in claim 1-6, its feature
It is：The both sides of described shell block (110) one end are respectively provided with an otic placode (111), and otic placode (111) is provided with waist-shaped hole, shell block
(110) the other end is provided with circular hole (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720514823.5U CN206711854U (en) | 2017-05-10 | 2017-05-10 | A kind of electronic trip unit for omnipotent breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720514823.5U CN206711854U (en) | 2017-05-10 | 2017-05-10 | A kind of electronic trip unit for omnipotent breaker |
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| Publication Number | Publication Date |
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| CN206711854U true CN206711854U (en) | 2017-12-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637903A (en) * | 2018-12-31 | 2019-04-16 | 杭州天启钛智能科技有限公司 | A kind of intelligent breaker |
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2017
- 2017-05-10 CN CN201720514823.5U patent/CN206711854U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637903A (en) * | 2018-12-31 | 2019-04-16 | 杭州天启钛智能科技有限公司 | A kind of intelligent breaker |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 212200 No.66 Daquan Road, Xinba Town, Yangzhong City, Zhenjiang City, Jiangsu Province Patentee after: Jiangsu Daquan Kaifan switch Co.,Ltd. Address before: 212200 No.66 Daquan Road, Xinba Town, Yangzhong City, Zhenjiang City, Jiangsu Province Patentee before: Jiangsu Daquan Kaifan Switch Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |