CN107275132B - Zhong Ya dual supply operation mechanism - Google Patents
Zhong Ya dual supply operation mechanism Download PDFInfo
- Publication number
- CN107275132B CN107275132B CN201710708731.5A CN201710708731A CN107275132B CN 107275132 B CN107275132 B CN 107275132B CN 201710708731 A CN201710708731 A CN 201710708731A CN 107275132 B CN107275132 B CN 107275132B
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- Prior art keywords
- interlocking
- plate
- shape
- connecting rod
- slide plate
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts
Abstract
The present invention relates to a kind of Zhong Ya dual supply operation mechanism, including upper power supply operating mechanism, lower power operation mechanism and middle frame, the upper power supply operating mechanism, lower power operation mechanism are separately mounted to the upper and lower ends of middle frame；Power operation mechanism includes mounting rack, L shape bent plate and spline spindle, and L shape bent plate and spline spindle are provided with closing transmission mechanism；It is additionally provided with L shape jam plate on mounting rack, interlocking transmission mechanism is set between the L shape jam plate and spline spindle, realizes that the locking to L shape bent plate limits through the rotation of L shape jam plate；Synchronising (connecting) rod is provided between upper interlocking transmission mechanism and lower interlocking transmission mechanism.After any one power operation mechanism carries out combined floodgate operation in Zhong Ya dual supply operation mechanism, two L shape jam plate rotations up and down can be driven, limitation does combined floodgate rotation to upper and lower two L shape bent plate.
Description
Technical field
The present invention relates to a kind of Zhong Ya dual supply operation mechanisms.
Background technique
Double-power supply breaker has two-way power operation mechanism, and Liang Ge power operation mechanism is linked together by centre, is
Promote the security performance of Zhong Ya dual supply operation mechanism, it is desirable that another way power supply cannot be powered after power supply is powered all the way, otherwise can
Lead to circuit burnout, will lead to safety accident when serious, so double-power supply breaker requires have reliable interlocking between two-way power supply,
Another way power supply cannot be powered after ensuring power supply energization all the way.
Summary of the invention
The technical problem to be solved by the present invention is overcoming the deficiencies of the prior art and provide pressure dual supply operation machine in one kind
Structure solves the defect that previous Zhong Ya dual supply operation mechanism is unable to interlock safety difference.
The technical solution adopted by the present invention to solve the technical problems is: a kind of Zhong Ya dual supply operation mechanism, including upper
Power operation mechanism, lower power operation mechanism and middle frame, the upper power supply operating mechanism, lower power operation mechanism are pacified respectively
Mounted in the upper and lower ends of middle frame；
Power operation mechanism includes mounting rack, L shape bent plate and the spline spindle for controlling on/off, the L shape
Bent plate is arranged on mounting rack through torsional spring elastic rotary, and the L shape bent plate and spline spindle are provided with closing transmission mechanism；It is described
It being additionally provided on mounting rack and does the L shape jam plate rotated for limiting L shape bent plate, the L shape jam plate is rotatably arranged on mounting rack,
Interlocking transmission mechanism is set between the L shape jam plate and spline spindle, and the interlocking transmission mechanism transmission work drives L shape lock
Plate rotation realizes that the locking to L shape bent plate limits through the rotation of L shape jam plate；
It is provided with synchronising (connecting) rod between upper interlocking transmission mechanism and lower interlocking transmission mechanism, one of interlocking transmission mechanism
When movement, synchronized connecting rod drives another interlocking transmission mechanism transmission, so that two L shape jam plates do synchronous rotary above and below making.
Further, the closing transmission mechanism includes first connecting rod, closing magnet master part, closing cam and connecting lever；
The closing magnet master part is rotatably provided on mounting rack, and the closing cam is mounted on the energy storage shaft of power operation mechanism
On, the connecting lever is mounted on spline spindle, the first connecting rod upper and lower ends respectively with L shape bent plate and closing magnet master part one
End connection, the closing magnet master part other end make power operation for pushing against closing cam and then limiting the rotation of energy storage shaft
Mechanism realizes energy storage；The closing cam and connecting lever job mix, the closing cam hit connecting lever in turn when doing combined floodgate rotation
Drive spline spindle rotation.
Further, the interlocking transmission mechanism includes interlock cam, interlocking slide plate and compressed spring, and the interlocking is convex
Wheel is arranged on spline spindle, and the interlocking slide plate is slidably connected with mounting rack, and the interlocking slide plate is done up and down on mounting rack
Elastic movement, the interlock cam and the cooperation of interlocking slide plate lower end；The compressed spring setting compresses bullet in interlocking slide plate upper end
Spring is connect with L shape jam plate；
The spline spindle rotation drives interlock cam rotation, and interlock cam drives interlocking slide plate to move upwards, and interlocking is slided
Strip is moved below L shape jam plate to L shape bent plate, does combined floodgate rotation for limiting L shape bent plate；
The synchronising (connecting) rod upper and lower ends are connect with upper interlocking slide plate and lower interlocking slide plate respectively, one of interlocking slide plate
When up and down motion, synchronized connecting rod drives another interlocking slide plate to move up and down, so that two L shape jam plates do synchronous rotation above and below making
Turn.
Further, upper spline main shaft is equipped with crank, and lower spline spindle is equipped with lower crank, upper crank and lower crank
Between be connected with lock shaft connecting rod, the lock shaft small end is rotatablely connected through upper pin and upper crank, lock shaft connecting rod lower end
Sliding slot is offered, lock shaft connecting rod lower end is connect through lower bearing pin with lower crank, and the lower bearing pin is passed through from sliding slot；
The lock shaft small end is located on rear side of upper spline main shaft, before lock shaft connecting rod lower end is located at lower spline spindle
Side；When the rotation of upper spline spindle axis counterclockwise drives upper power supply operating mechanism operation, upper crank handle turns lock shaft connecting rod is moved upwards,
Lower bearing pin is as sliding slot bottom.
The beneficial effects of the present invention are: any one power operation mechanism is closed in Zhong Ya dual supply operation mechanism
After lock operation, two L shape jam plate rotations up and down can be driven, limitation does combined floodgate rotation to upper and lower two L shape bent plate.
Upper and lower two spline spindles are connected by lock shaft connecting rod, after one of spline spindle does combined floodgate rotation, band
The distance of dynamic one sliding slot of lock shaft link motion, so that lock shaft connecting rod be made to limit another spline spindle rotation.
Detailed description of the invention
The following further describes the present invention with reference to the drawings.
Fig. 1 is middle pressure dual supply operation mechanism side direction view；
Fig. 2 is single power operation structural scheme of mechanism；
Fig. 3 and Fig. 4 is middle pressure dual supply operation structural scheme of mechanism；
Fig. 5 is lock shaft connecting rod schematic diagram；
Wherein, 1, middle frame, 21, upper power supply operating mechanism, 22, lower power operation mechanism, 3, mounting rack, 4, spline master
Axis, 5, L shape bent plate, 6, first connecting rod, 7, closing magnet master part, 8, closing cam, 9, connecting lever, 10, interlock cam, 11, interlocking
Slide plate, 12, L shape jam plate, 13, synchronising (connecting) rod, 14, lock shaft connecting rod, 141, sliding slot.
Specific embodiment
Presently in connection with specific embodiment, the present invention is further illustrated.These attached drawings are simplified schematic diagram only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figures 1 to 5, a kind of Zhong Ya dual supply operation mechanism, including upper power supply operating mechanism 21, lower power operation
Mechanism 22 and middle frame 1, upper power supply operating mechanism 21, lower power operation mechanism 22 are separately mounted to up and down the two of middle frame 1
End.
Power operation mechanism includes that mounting rack 3, L shape bent plate 5 and the spline spindle 4 for controlling on/off, L shape are curved
Plate 5 is arranged on mounting rack 3 through torsional spring elastic rotary, and L shape bent plate 5 and spline spindle 4 are provided with closing transmission mechanism；When L shape
Bent plate 5 can reset in time after triggering closing transmission mechanism operation under the action of torsional spring；It is additionally provided on mounting rack 3 for limiting
L shape bent plate 5 processed does the L shape jam plate 12 rotated, and L shape jam plate 12 is rotatably arranged on mounting rack 3, L shape jam plate 12 and spline spindle 4
Between be arranged interlocking transmission mechanism, interlocking transmission mechanism transmission work drive L shape jam plate 12 rotate, through L shape jam plate 12 rotate
Realize that the locking to L shape bent plate 5 limits.
It is provided with synchronising (connecting) rod 13 between upper interlocking transmission mechanism and lower interlocking transmission mechanism, one of interlocking driver
When structure moves, synchronized connecting rod 13 drives another interlocking transmission mechanism transmission, so that two L shape jam plates 12 do synchronization above and below making
Rotation.
Closing transmission mechanism includes first connecting rod 6, closing magnet master part 7, closing cam 8 and connecting lever 9；It closes a floodgate and keeps sincere
Son 7 is rotatably provided on mounting rack 3, and closing cam 8 is mounted in the energy storage shaft of power operation mechanism, and connecting lever 9 is mounted on flower
On key main shaft 4,6 upper and lower ends of first connecting rod are connect with L shape bent plate 5 and 7 one end of closing magnet master part respectively, closing magnet master part
7 other ends make power operation mechanism realize energy storage for pushing against closing cam 8 and then limiting the rotation of energy storage shaft；Closing cam 8
With 9 job mix of connecting lever, closing cam 8 hits connecting lever 9 and then spline spindle 4 is driven to rotate when doing combined floodgate rotation.
Interlocking transmission mechanism includes interlock cam 10, interlocking slide plate 11 and compressed spring, and interlock cam 10 is arranged in flower
On key main shaft 4, interlocking slide plate 11 is slidably connected with mounting rack 3, and interlocking slide plate 11 does elastic movement up and down, connection on mounting rack 3
It is provided with spring between lock slide plate 11 and mounting rack 3, which keeps down movement tendency for making to interlock slide plate 11, mounting rack
One section of vertical slot is offered on 3, pin passes through the vertical slot on interlocking slide plate 11 and mounting rack 3, interlocks the limitation of slide plate 11 for making
On mounting rack 3.Interlock cam 10 and the cooperation of interlocking 11 lower end of slide plate；Compressed spring setting is in interlocking 11 upper end of slide plate, compression
Spring is connect with L shape jam plate 12.Interlocking slide plate 11 moves upwards, and pushes L shape jam plate 12 to rotate through compressed spring.
The rotation of spline spindle 4 drives interlock cam 10 to rotate, and interlock cam 10 drives interlocking slide plate 11 to move upwards, and interlocks
Slide plate 11 drives L shape jam plate 12 to 5 lower section of L shape bent plate, does combined floodgate rotation for limiting L shape bent plate 5；Synchronising (connecting) rod about 13 two
End is connect with upper interlocking slide plate and lower interlocking slide plate respectively, when one of interlocking slide plate moves up and down, synchronized 13 band of connecting rod
It moves another interlocking slide plate 11 to move up and down, so that two L shape jam plates 12 do synchronous rotary above and below making.
It include altogether Liang Ge interlocking mechanism in Zhong Ya dual supply operation mechanism of the invention, one makes to two L shape bent plates 5
It is interlocked, the other is being interlocked to two spline spindles 4.
When operation, it is assumed that close a floodgate to upper power supply operating mechanism 21, lower power operation mechanism 22 is spare, presses combined floodgate
Button, button drive upper L shape bent plate rotation, and upper L shape bent plate drives upper closing magnet master part to move through first connecting rod 6, upper combined floodgate
Limitation of the sincere sub- release to upper closing cam is kept, energy storage shaft drives connecting lever on upper closing cam rotating percussion, upper connecting lever band
Dynamic upper spline main shaft does rotation counterclockwise, after upper spline main shaft does rotation counterclockwise, makes entirely to go up the guarantor of power supply operating mechanism 21
Hold energization job state；Upper spline main shaft drives upper interlock cam also to rotate counterclockwise, and pushes interlocking slide plate and move upwards,
Due to the presence of synchronising (connecting) rod 13, so that upper and lower two interlockings slide plate 11 moves synchronously；Upper L shape bent plate due to through rotation torsional spring with
Mounting rack 3 connects, therefore after the rotation of upper L shape bent plate has triggered closing cam 8 and rotated, effect of the upper L shape bent plate in torsional spring
Under reset immediately；Upper interlocking slide plate drives upper L shape jam plate to rotate below supreme L shape bent plate, and lower interlocking slide plate drives lower L shape jam plate
Below rotation to lower L shape bent plate；At this point, upper and lower two L shapes jam plate 12 interlocks upper and lower two L shape bent plate, prevent L shape curved
Plate 5 rotates, at this point, the 21 combined floodgate operation of upper power supply operating mechanism, lower power operation mechanism 22 do not work, is in stand-by state, this
When, timely someone's maloperation goes to press the switch knob of lower power operation mechanism 22, the lower L shape bent plate of lower power operation mechanism 22
It will not rotate, because lower L shape jam plate is located at below lower L shape bent plate, limit its rotation of closing a floodgate.In turn when operation, principle phase
Together, after starting lower power operation mechanism 22 or upper and lower two L shapes jam plate 12 interlocks upper and lower two L shape bent plate.
It is that (that is, interlocking to button switch) is interlocked to L shape bent plate 5 above, main shaft is not realized and is interlocked,
In upper and lower Liang Ge power operation mechanism, really control power operation progress operation is realized by spline spindle 4, because
This, for the safety for further ensuring that Zhong Ya dual supply operation mechanism, it is also necessary to which upper and lower two spline spindles 4 are interlocked；
Therefore, lock shaft connecting rod 14 is just provided between upper and lower two spline spindles 4.
Specifically, Liang Ge power operation mechanism of the invention be operation in the same direction, that is, two spline spindles 4 be do it is inverse
Hour hands do combined floodgate movement when rotating；Therefore, it is interlocked to realize between two spline spindles 4；Upper spline main shaft is equipped with song
Handle, lower spline spindle are equipped with lower crank, and lock shaft connecting rod 14,14 upper end of lock shaft connecting rod warp are connected between upper crank and lower crank
Upper pin and upper crank are rotatablely connected, and 14 lower end of lock shaft connecting rod offers sliding slot 141, and 14 lower end of lock shaft connecting rod is through lower bearing pin under
Crank connection, lower bearing pin are passed through from sliding slot 141.
14 upper end of lock shaft connecting rod is located on rear side of upper spline main shaft, and 14 lower end of lock shaft connecting rod is located on front side of lower spline spindle；When
When the rotation of upper spline spindle axis counterclockwise drives upper 21 combined floodgate operation of power supply operating mechanism, upper crank handle turns lock shaft connecting rod 14 is transported upwards
Dynamic, lower bearing pin is as 141 bottom of sliding slot, at this point, if lower spline spindle also will do combined floodgate operation, lower spline spindle
Also it has to do rotation counterclockwise, and because lower bearing pin has been in 141 bottom of sliding slot at this time, limits lower bearing pin and turn counterclockwise
It is dynamic, so, limit lower spline spindle operation.On the contrary, lower spline spindle is first counterclockwise when only starting lower power operation mechanism 22
Rotation, lower bearing pin are rotated to 141 bottom of sliding slot, at this point, lock shaft connecting rod 14, which will limit upper spline main shaft, does fortune of closing a floodgate counterclockwise
It is dynamic.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (4)
1. a kind of Zhong Ya dual supply operation mechanism, characterized in that including upper power supply operating mechanism (21), lower power operation mechanism
(22) and middle frame (1), the upper power supply operating mechanism (21), lower power operation mechanism (22) are separately mounted to middle frame
(1) upper and lower ends；
Each power operation mechanism includes mounting rack (3), L shape bent plate (5) and the spline spindle for controlling on/off
(4), the L shape bent plate (5) is arranged on mounting rack (3) through torsional spring elastic rotary, the L shape bent plate (5) and spline spindle (4)
It is provided with closing transmission mechanism；It is additionally provided on the mounting rack (3) and does the L shape jam plate rotated for limiting L shape bent plate (5)
(12), the L shape jam plate (12) is rotatably arranged on mounting rack (3), sets between the L shape jam plate (12) and spline spindle (4)
It is equipped with interlocking transmission mechanism, the interlocking transmission mechanism transmission work drives L shape jam plate (12) rotation, revolves through L shape jam plate (12)
Turn to realize that the locking to L shape bent plate (5) limits；
It is provided between upper power supply operating mechanism (21) interlocking transmission mechanism and lower power operation mechanism (22) interlocking transmission mechanism
Synchronising (connecting) rod (13), when one of interlocking transmission mechanism moves, synchronized connecting rod (13) drives another to interlock transmission mechanism
Transmission, so that two L shape jam plates (12) do synchronous rotary above and below making.
2. Zhong Ya dual supply operation according to claim 1 mechanism, characterized in that the closing transmission mechanism includes first
Connecting rod (6), closing magnet master part (7), closing cam (8) and connecting lever (9)；The closing magnet master part (7) is rotatably provided in
On mounting rack (3), the closing cam (8) is separately mounted in the energy storage shaft of each power operation mechanism, the connecting lever (9)
Be mounted on spline spindle (4), first connecting rod (6) upper and lower ends respectively with L shape bent plate (5) and closing magnet master part (7)
One end connection, closing magnet master part (7) other end make for pushing against closing cam (8) and then limiting the rotation of energy storage shaft
Each power operation mechanism realizes energy storage；The closing cam (8) and connecting lever (9) job mix, the closing cam (8) are closed
Connecting lever (9) are hit when lock rotates and then drive spline spindle (4) rotation.
3. Zhong Ya dual supply operation according to claim 1 mechanism, characterized in that the interlocking transmission mechanism includes interlocking
Cam (10), interlocking slide plate (11) and compressed spring, the interlock cam (10) is arranged on spline spindle (4), described
Lock slide plate (11) is slidably connected with mounting rack (3), and the interlocking slide plate (11) does elastic movement up and down, institute on mounting rack (3)
State interlock cam (10) and the cooperation of interlocking slide plate (11) lower end；The compressed spring setting is in interlocking slide plate (11) upper end, compression
Spring is connect with L shape jam plate (12)；
Spline spindle (4) rotation drives interlock cam (10) rotation, and interlock cam (10) drives interlocking slide plate (11) upward
Movement, interlocking slide plate (11) drive below L shape jam plate (12) to L shape bent plate (5), do combined floodgate rotation for limiting L shape bent plate (5)
Turn；
Synchronising (connecting) rod (13) upper and lower ends are connect with upper interlocking slide plate (11) and lower interlocking slide plate (11) respectively, one of them
When interlocking slide plate (11) up and down motion, synchronized connecting rod (13) drives another interlocking slide plate (11) to move up and down, to make
Lower two L shapes jam plate (12) does synchronous rotary.
4. Zhong Ya dual supply operation according to claim 1 mechanism, characterized in that the spline of upper power supply operating mechanism (21)
Main shaft is equipped with crank, and the spline spindle of lower power operation mechanism (22) is equipped with lower crank, between upper crank and lower crank
It is connected with lock shaft connecting rod (14), lock shaft connecting rod (14) upper end is rotatablely connected through upper pin and upper crank, the lock shaft connecting rod
(14) lower end offers sliding slot (141), and lock shaft connecting rod (14) lower end is connect through lower bearing pin with lower crank, the lower bearing pin from
Sliding slot passes through in (141)；
Lock shaft connecting rod (14) upper end is located on rear side of the spline spindle of upper power supply operating mechanism (21), the lock shaft connecting rod (14)
Lower end is located on front side of the spline spindle of lower power operation mechanism (22)；When the spline spindle of upper power supply operating mechanism (21) is counterclockwise
When rotation drives upper power supply operating mechanism (21) operation, upper crank handle turns lock shaft connecting rod (14) is moved upwards, and lower bearing pin is as cunning
Slot (141) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710708731.5A CN107275132B (en) | 2017-08-17 | 2017-08-17 | Zhong Ya dual supply operation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710708731.5A CN107275132B (en) | 2017-08-17 | 2017-08-17 | Zhong Ya dual supply operation mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107275132A CN107275132A (en) | 2017-10-20 |
| CN107275132B true CN107275132B (en) | 2019-06-21 |
Family
ID=60077455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710708731.5A Active CN107275132B (en) | 2017-08-17 | 2017-08-17 | Zhong Ya dual supply operation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107275132B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202917351U (en) * | 2012-11-19 | 2013-05-01 | 福州天一同益电气有限公司 | Double-switch mutual mechanical interlocking mechanism |
| CN103681031A (en) * | 2012-08-30 | 2014-03-26 | 上海电科电器科技有限公司 | Interlocking device of change-over switch |
| CN203552986U (en) * | 2013-10-23 | 2014-04-16 | 施耐德电器工业公司 | An apparatus mechanically preventing erroneous locking of double automatically-switched power supplies |
| CN205452087U (en) * | 2015-12-29 | 2016-08-10 | 甘肃长城电工电器工程研究院有限公司 | Interlock for circuit breaker |
| CN205645580U (en) * | 2016-05-20 | 2016-10-12 | 河南森源电气股份有限公司 | Transmission main shaft and use operating mechanism of this transmission main shaft |
| CN205723225U (en) * | 2016-04-15 | 2016-11-23 | 施耐德电器工业公司 | A kind of mechanical interlocking for bypass type dual-power transfer switch |
| EP3196908A1 (en) * | 2016-01-21 | 2017-07-26 | LSIS Co., Ltd. | Interlock apparatus of ring main unit |
| CN207134265U (en) * | 2017-08-17 | 2018-03-23 | 江苏洛凯机电股份有限公司 | Zhong Ya dual supply operations mechanism |
-
2017
- 2017-08-17 CN CN201710708731.5A patent/CN107275132B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681031A (en) * | 2012-08-30 | 2014-03-26 | 上海电科电器科技有限公司 | Interlocking device of change-over switch |
| CN202917351U (en) * | 2012-11-19 | 2013-05-01 | 福州天一同益电气有限公司 | Double-switch mutual mechanical interlocking mechanism |
| CN203552986U (en) * | 2013-10-23 | 2014-04-16 | 施耐德电器工业公司 | An apparatus mechanically preventing erroneous locking of double automatically-switched power supplies |
| CN205452087U (en) * | 2015-12-29 | 2016-08-10 | 甘肃长城电工电器工程研究院有限公司 | Interlock for circuit breaker |
| EP3196908A1 (en) * | 2016-01-21 | 2017-07-26 | LSIS Co., Ltd. | Interlock apparatus of ring main unit |
| CN205723225U (en) * | 2016-04-15 | 2016-11-23 | 施耐德电器工业公司 | A kind of mechanical interlocking for bypass type dual-power transfer switch |
| CN205645580U (en) * | 2016-05-20 | 2016-10-12 | 河南森源电气股份有限公司 | Transmission main shaft and use operating mechanism of this transmission main shaft |
| CN207134265U (en) * | 2017-08-17 | 2018-03-23 | 江苏洛凯机电股份有限公司 | Zhong Ya dual supply operations mechanism |
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| Publication number | Publication date |
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| CN107275132A (en) | 2017-10-20 |
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