CN106253608B - For the device by insulating paper in slot wedge - Google Patents
For the device by insulating paper in slot wedge Download PDFInfo
- Publication number
- CN106253608B CN106253608B CN201610693681.3A CN201610693681A CN106253608B CN 106253608 B CN106253608 B CN 106253608B CN 201610693681 A CN201610693681 A CN 201610693681A CN 106253608 B CN106253608 B CN 106253608B
- Authority
- CN
- China
- Prior art keywords
- push plate
- stator
- slot wedge
- insulating paper
- flow channel
- 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.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/10—Applying solid insulation to windings, stators or rotors
Abstract
The invention discloses a kind of devices for by insulating paper in slot wedge, including workbench (2), workbench (2) is equipped with the V-block (4) for placing stator (3), stator (3) one end is connected with the scroll chuck (16) for clamping stator (3), shaft (6) are equipped with away from stator (3) side on scroll chuck (16), shaft (6) axis is overlapped with stator (3) axis, slide unit (15) are slidably connected on workbench (2), slide unit (15) is equipped with the motor (18) for drive shaft (6) rotation.The device for being fitted to insulating paper in slot wedge that a kind of labor intensity is low, the embedded secured and insulating paper of insulating paper will not be cut in assembling process is provided.
Description
Technical field
The present invention relates to motor stator mounting technology field more particularly to it is a kind of for by insulating paper in the slot wedge
Device.
Background technique
The stator of three phase alternating current motor is by stator core and the three-phase windings coil structure being inlaid in the stator core slot wedge
At.Wherein, between adjacent out-phase end turn, in order to keep the end turn of the out-phase insulated from each other, it will usually in stator
Insulating paper is inserted on the slot wedge of iron core.It in the prior art, is gone by the way that manually insulating paper is inserted into slot wedge,
Firstly, insulating paper is placed on slot wedge；Then, by hawkbill or other tools, insulating paper one end is pushed into slot wedge,
Then hawkbill is pulled to slide along slot wedge length direction in slot wedge remaining insulating paper to be pushed into slot wedge successively, thus
It completes insulating paper whole length direction in slot wedge.Due to the tools such as hawkbill relative to insulating paper there are relative motion,
That is easy for that hawkbill is caused to cut insulating paper, easily generates and assembles underproof phenomenon；In addition, since hawkbill is perpendicular to
Slot wedge opening is inserted into slot wedge, and hawkbill is for linear motion in slot wedge, then insulating paper can only do an opening court
On " V " font bending, then insulating paper after the slot wedge being encased on stator core, with the turnover of stator core, works as quilt
After " V " font insulating paper of bending rotates 180 °, downward opening inverted " v " shape is reformed into, at this time only with inverted " v " shape
Frictional force between insulating paper outer wall and slot wedge opening is come so that insulating paper is connected in slot wedge be it is extremely unreliable, i.e.,
The insulating paper being embedded in just easily is fallen from slot wedge, causes to assemble unstable phenomenon；Also it is exactly, by manually filling
The phenomenon that working strength with insulating paper is too big, easily causes the fatigue of workpeople, generates neglected loading insulating paper on stator core.
Summary of the invention
The technical problem to be solved by the present invention is to overcome existing technological deficiency, it is low, exhausted to provide a kind of labor intensity
Edge paper is embedded in the device for being fitted to insulating paper in slot wedge that secured and insulating paper will not be cut in assembling process.
The technical solution of the invention is as follows, provide it is a kind of have following structure for by insulating paper in the slot wedge
Device: including workbench, workbench is equipped with V-block for placing stator, and stator one end is connected with for clamping stator
Scroll chuck, be equipped with shaft away from stator side on scroll chuck, shaft axis is overlapped with axis stator, slides on workbench
It is connected with slide unit, slide unit is equipped with the motor for drive shaft rotation, and workbench is equipped with for pushing slide unit along stator axis
The mobile horizontal air cylinder in line direction；The push plate of strip is slidably connected in stator along the vertical direction, push plate lower end section is
Arc-shaped, push plate runs through stator both ends along axis stator, and push plate is arranged radially along stator, and workbench is equipped with to be pushed away for driving
The mobile vertical cylinder to drive push plate lower end insertion stator slot wedge and be extracted from stator slot wedge of plate, scroll chuck and vertical gas
Cylinder is located at stator both ends；Push plate two sides pass through dovetail groove respectively and slidably connect for pushing against slot wedge opening on stator
Starting stave and the second riser, starting stave and the second riser are symmetrically distributed in push plate two sides, on starting stave and the second riser
It is equipped with boss towards push plate side, push plate two sidewalls are equipped with the open slot for convex block sliding, and open slot is set along the vertical direction
It sets, pressure spring is equipped between boss and open slot；Push plate is equipped with the first runner of multiple supplied gas flowings, Duo Ge along the vertical direction
One runner is distributed along push plate equal spacing in length direction, and each first runner lower end is communicated with second flow channel and third flow channel simultaneously,
First runner, second flow channel and third flow channel constitute inverted Y-shaped, and the opening of second flow channel and third flow channel is respectively positioned on
The circular arc sector of push plate lower end, push plate upper end are equipped with sprue in the horizontal direction, and first runner upper port and sprue connect
Logical, workbench is equipped with the air pump supplied to sprue.
Insulating paper is placed into above the slot wedge opening immediately below push plate by the present invention, is driven under push plate by vertical cylinder
Drop, is inserted into slot wedge, that is insulating paper is in whole length direction by push plate together so that push plate lower end pushes insulating paper
Primary decline is just pushed into slot wedge, i.e., insulating paper is wrapped in push plate lower end outer wall and enters in slot wedge, also, in insulating paper
After being pushed into slot wedge, air pump can be supplied to second flow channel, third flow channel simultaneously by sprue, first runner, and then be insulated
Paper, which is heaved, is deformed so that insulating paper is fitted on the inner wall of slot wedge；In addition, when slot wedge is inserted into push plate, the first of push plate two sides
Riser and the second riser are resisted against the opening of slot wedge, as insulating paper constantly follows push plate lower end to enter slot wedge, insulating paper
Both sides outside slot wedge are pressed against by starting stave and the second riser respectively, this allows for the part shape that insulating paper is located at outside slot wedge
At a turnup structure, after being embedded in an insulating paper, vertical cylinder drives push plate to rise and be detached from slot wedge；Then,
Motor work drives scroll chuck rotation by shaft, and then drives stator rotation so that the slot wedge of next station is turned
It moves to the underface of push plate, then next insulating paper is placed into above slot wedge so that push plate is pushed into slot wedge, this is just realized
Push plate is continuously by insulating paper in slot wedge.Wherein, push plate can be made to increase again by the cooperation of boss and open slot
When position, open slot lower end hauls boss rising, pulls starting stave and synchronous rise of the second riser to reset to complete push plate；And
When push plate decline is inserted into slot wedge, after starting stave, the second riser lower end after insulating paper, boss can be in open slot
Interior sliding, i.e. boss and open slot lower end disengage and squeeze pressure spring deformation, so that starting stave and the second riser are by one
A downward elastic force effect, so that it is guaranteed that starting stave and the second riser slide relative to push plate and be pressed against insulating paper upper surface；
In addition, the setting of pressure spring may insure in push plate uphill process, the boss on starting stave and the second riser is resisted against out always
Mouth slot lower end extreme position, avoids starting stave or the second riser from being connected to push plate two sides, that is, improves starting stave and second
The fluency that riser is slided relative to push plate.In conclusion push plate is strip, that is under push plate whole length direction
End can be contacted with insulating paper and to insulating paper apply active force so that insulating paper whole length direction stress more
Uniformly, insulating paper is fitted in slot wedge simultaneously in length direction when push plate declines, i.e., insulating paper is in each of length direction
A position be all be pushed into slot wedge by push plate simultaneously, and push plate relative to insulating paper length direction there is no movement, only
In vertical direction, there are relative motions, and so, insulating paper is contacted with arc-shaped push plate lower end would not cause to insulate
The phenomenon that paper ruptures；Secondly, insulating paper is after slot wedge, insulating paper blows bulging by the air-flow of second flow channel and third flow channel
It rises, i.e. insulating paper outer wall is fitted in slot wedge, and insulating paper is erected in the opening being located at outside slot wedge by starting stave and second
Plate, which is pressing against, forms turnup structure, and so, insulating paper is equivalent to inside and outside both ends and is all connected in slot wedge, then insulating paper with
The assembly of slot wedge just becomes highly stable on stator, will not fall off from the slot wedge of stator, though be embedded in it is good after insulating paper with
It is opening down with 180 ° of stator rotation to be fallen out of slot wedge；In addition, the embedded process of entire insulating paper is all automatic
Change process, does not need the so much manpower of the prior art and go to complete, thus greatly reduce artificial labor intensity.Cause
This, the present invention provide a kind of labor intensity is low, insulating paper be embedded in securely and insulating paper will not be cut in assembling process
For the device by insulating paper in the slot wedge.
As a preference, the convex block is equipped with the first straight pin for connecing for pressure spring end sleeve, it is separate on open slot
Second flow channel one end is equipped with the second straight pin connect for pressure spring end sleeve, and pressure spring is located at the first straight pin and the second straight pin perpendicular
Histogram to gap in.Preferably by this, pressure spring both ends can be limited, avoids pressure spring from running helter-skelter in open slot, i.e.,
Improve the stability of pressure spring work.
As a preference, the slide unit is slidably connected on the table by dovetail groove.Preferably by this, slide unit exists
It can be slided along axis stator direction under the driving of horizontal air cylinder.
As a preference, the push plate thickness value is less than the width value of slot wedge opening on stator.Preferably by this,
It may insure that push plate lower end is inserted into slot wedge.
As a preference, the push plate length value is greater than the length value of stator shaft orientation.It preferably by this, can be by length
Angle value be greater than stator shaft orientation length value insulating paper whole length direction all by push plate lower end active force in the case where quilt
It is pushed into slot wedge.
As a preference, the middle position of push plate thickness direction, second flow channel and is arranged in the first runner
Three runners are symmetrically distributed in first runner two sides.It preferably by this, can be with push plate lower end to the active force phase of insulating paper two sides
Deng so that insulating paper can be smoothly pushed into slot wedge.
As a preference, the starting stave and the second riser lower end section is arc line shaped, on the arc line shaped
It is greater than the distance on arc line shaped far from one lateral extent stator slot wedge of push plate close to the distance of one lateral extent stator slot wedge of push plate.Pass through
This preferably allows separate push plate one end on starting stave to resist insulating paper upper surface, and close to push plate one on starting stave
End be it is discontiguous with insulating paper upper surface, this it is avoided that starting stave and insulating paper upper surface contact area it is excessive and cause absolutely
The phenomenon that edge paper is torn by starting stave lower end；The principle of second riser is also similar to that starting stave.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of stator and V-block in the present invention.
Fig. 2 is the structural schematic diagram of stator and another angle of V-block in the present invention.
Fig. 3 is partial sectional view of the invention.
Fig. 4 is the side view in the present invention.
Fig. 5 is the cross-sectional view of push plate through-thickness in the present invention.
Fig. 6 is the structural schematic diagram of push plate in the present invention.
Fig. 7 is the cross-sectional view of push plate along its length in the present invention.
It is as shown in the figure: 1, insulating paper, 2, workbench, 3, stator, 4, V-block, 5, push plate, 6, shaft, 7, starting stave, 8,
Second riser, 9, first runner, 10, second flow channel, 11, third flow channel, 12, sprue, 13, vertical cylinder, 14, horizontal gas
Cylinder, 15, slide unit, 16, scroll chuck, 18, motor, 19, boss, 20, open slot, 21, pressure spring, the 22, first straight pin, 23,
Two straight pins.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and specific embodiments.
The working principle of the invention:
Firstly, be placed on V-block after taking a stator to pass through push plate, then by scroll chuck come clamping stator one end,
Subsequent insulating paper is placed on above slot wedge；
Then, vertical cylinder driving push plate decline, push plate lower end pushes insulating paper and enters in slot wedge, and push plate two sides
Starting stave and the second riser be pressed against insulating paper upper surface, i.e., insulating paper relative to starting stave, the second riser movement gradually
It is pushed into slot wedge；Wherein, when push plate lower end progresses into slot wedge, boss on starting stave and the second riser can be
Sliding in open slot, and starting stave and the second riser lower end are resisted against on slot wedge, and then pressure spring can be deformed,
The pressure spring will apply a downward active force to starting stave and the second riser, it is ensured that starting stave and the second riser lower end
Portion can abut on insulating paper；
After insulating paper enters slot wedge, air pump work, by sprue, first runner to second flow channel, third flow channel
Gas supply, so that second flow channel and the gas of third flow channel discharge can make insulating paper and push plate lower end be detached from, and insulating paper
It can deform and be resisted against on slot wedge inner wall, this completes be embedded in an insulating paper；
Vertical cylinder drives push plate rising so that push plate lower end is extracted from slot wedge, rises to certain altitude in push plate
Afterwards, push plate can drive starting stave and the second riser to rise by open slot lower end extreme position against boss, it is ensured that first
Riser, the second riser lower end and stator are detached from；
Then, motor task driven shaft rotates, to drive stator rotation by scroll chuck, i.e., stator is relative to V
Type block rotates so that the slot wedge on the next circumferencial direction of stator is located at immediately below push plate, and then facilitate vertical cylinder into
The next raising and lowering of row and so on works to complete to be embedded in work to the insulating paper on stator on each slot wedge；
Finally, scroll chuck releases the constraint to stator end, horizontal air cylinder drives slide unit, motor and scroll chuck and determines
Son disengages, to take out the stator for being embedded in insulating paper.
The present invention is used to device of the insulating paper in slot wedge include workbench 2, and workbench 2 is equipped with for placing
The V-block 4 of stator 3,3 one end of stator are connected with the scroll chuck 16 for clamping stator 3, deviate from stator 3 on scroll chuck 16
Side is equipped with shaft 6, and 6 axis of shaft is overlapped with 3 axis of stator, slide unit 15 is slidably connected on workbench 2, slide unit 15 is equipped with
For the motor 18 that drive shaft 6 rotates, workbench 2 is equipped with the water for pushing slide unit 15 to move along 3 axis direction of stator
Flat cylinder 14；Slidably connect the push plate 5 of strip in stator 3 along the vertical direction, 5 lower end section of push plate be it is arc-shaped, push away
Plate 5 runs through 3 both ends of stator along 3 axis of stator, and push plate 5 is arranged radially along stator 3, and workbench 2 is equipped with for driving push plate 5
The mobile vertical cylinder 13 to drive 5 lower end of push plate insertion 3 slot wedge of stator and be extracted from 3 slot wedge of stator, 16 He of scroll chuck
Vertical cylinder 13 is located at 3 both ends of stator；5 two sides of push plate pass through dovetail groove respectively and slidably connect for pushing against stator 3
The starting stave 7 of slot wedge opening and the second riser 8, starting stave 7 and the second riser 8 are symmetrically distributed in 5 two sides of push plate, and first
It is equipped with boss 19 towards 5 side of push plate on riser 7 and the second riser 8,5 two sidewalls of push plate are equipped with opens for what boss 19 slided
Mouth slot 20, open slot 20 are arranged along the vertical direction, and pressure spring 21 is equipped between boss 19 and open slot 20；Push plate 5 is along the vertical direction
First runner 9 equipped with the flowing of multiple supplied gas, multiple first runners 9 are distributed along 5 equal spacing in length direction of push plate, and each first
9 lower end of runner is communicated with second flow channel 10 and third flow channel 11,11 structure of first runner 9, second flow channel 10 and third flow channel simultaneously
At inverted Y-shaped, and the opening of second flow channel 10 and third flow channel 11 is respectively positioned on the circular arc sector of 5 lower end of push plate, pushes away
5 upper end of plate is equipped with sprue 12 in the horizontal direction, and 9 upper port of first runner is connected to sprue 12, workbench 2 be equipped with to
The air pump that sprue 12 supplies.
The boss 19 is equipped with the first straight pin 22 being socketed for 21 end of pressure spring, separate second on open slot 20
10 one end of road is equipped with the second straight pin 23 being socketed for 21 end of pressure spring, and pressure spring 21 is located at the first straight pin 22 and the second straight pin
23 in the gap of vertical direction.That is, 21 one end of pressure spring is socketed on the first straight pin 22, the other end is socketed in second
On straight pin 23.
The slide unit 15 is slidably connected on workbench 2 by dovetail groove.
5 thickness value of push plate is less than the width value of slot wedge opening on stator 3.That is, 5 lower end of push plate can
To be inserted into slot wedge, and starting stave 7 and the second riser 8 can not be inserted into slot wedge, i.e. starting stave 7 and the second riser
8 are located at slot wedge is pressing against 1 both ends of insulating paper outside.
5 length value of push plate is greater than the axial length value of stator 3, i.e. 5 both ends of push plate are respectively positioned on outside stator 3.
The middle position of 5 thickness direction of push plate is arranged in the first runner 9, and second flow channel 10 and third flow channel 11 are right
Title is distributed in 9 two sides of first runner.Wherein, first runner 9 is arranged along the length direction of push plate 5, as described in Figure 6, and second
The exit of runner 10 and third flow channel 11 is arranged on the arcwall face of 5 lower end of push plate.
The starting stave 7 and 8 lower end section of the second riser is arc line shaped, close to push plate 5 one on the arc line shaped
The distance of 3 slot wedge of lateral extent stator is greater than the distance on arc line shaped far from 5 one lateral extent stator of push plate, 3 slot wedge.That is, the
The structure of 8 lower end of one riser 7 and the second riser is cam structure, as shown in Figure 5.Such as 7 left part of starting stave is minimum
Position may be rubbed against 1 side of insulating paper, and 7 lower end other positions of starting stave are not contact with 1 upper surface of insulating paper, this is just
Reduce the area that 7 lower end of starting stave is contacted with insulating paper 1 as far as possible；Second riser 8 is also such.In addition, can be first
Riser 7 and 8 lower end of the second riser are rotatablely connected an idler wheel for contacting with insulating paper 1 respectively, in this way, on insulating paper 1
Sliding friction when surface is relative to starting stave 7 and mobile 8 lower end of the second riser is converted to the rolling between idler wheel
The phenomenon that rubbing, insulating paper 1 preferably avoided to tear.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit protection scope of the present invention.It is all in this hair
Within bright claim, made any modification, equivalent replacement and improvement etc., should be included in protection scope of the present invention it
It is interior.
Claims (5)
1. a kind of device for by insulating paper in slot wedge, it is characterised in that: it includes workbench (2), workbench (2)
It is equipped with the V-block (4) for placing stator (3), stator (3) one end is connected with the scroll chuck for clamping stator (3)
(16), shaft (6) are equipped with away from stator (3) side on scroll chuck (16), shaft (6) axis is overlapped with stator (3) axis, work
Make to slidably connect slide unit (15) on platform (2), slide unit (15) is equipped with the motor (18) for drive shaft (6) rotation, work
Platform (2) is equipped with the horizontal air cylinder (14) for pushing slide unit (15) mobile along stator (3) axis direction；Along perpendicular in stator (3)
Histogram to the push plate (5) for slidably connecting strip, push plate (5) lower end section be it is arc-shaped, push plate (5) is along stator (3) axis
Line runs through stator (3) both ends, and push plate (5) is arranged radially along stator (3), and workbench (2) is equipped with for driving push plate (5) to move
The dynamic vertical cylinder (13) to drive push plate (5) lower end insertion stator (3) slot wedge and be extracted from stator (3) slot wedge, three-jaw card
Disk (16) and vertical cylinder (13) are located at stator (3) both ends；Push plate (5) two sides pass through respectively dovetail groove be slidably connected it is useful
In the starting stave (7) and the second riser (8) that push against slot wedge opening on stator (3), starting stave (7) and the second riser (8)
It is symmetrically distributed in push plate (5) two sides, is equipped with boss towards push plate (5) side on starting stave (7) and the second riser (8)
(19), push plate (5) two sidewalls are equipped with the open slot (20) for boss (19) sliding, and open slot (20) is arranged along the vertical direction,
Pressure spring (21) are equipped between boss (19) and open slot (20)；Push plate (5) is equipped with the of multiple supplied gas flowing along the vertical direction
One runner (9), multiple first runners (9) are distributed along push plate (5) equal spacing in length direction, and each first runner (9) lower end is simultaneously
It is communicated with second flow channel (10) and third flow channel (11), first runner (9), second flow channel (10) and third flow channel (11) constitute
The Y-shaped set, and the opening of second flow channel (10) and third flow channel (11) is respectively positioned on the circular arc sector of push plate (5) lower end,
Push plate (5) upper end is equipped with sprue (12) in the horizontal direction, and first runner (9) upper port is connected to sprue (12), work
Platform (2) is equipped with the air pump supplied to sprue (12), and the first runner (9) is arranged in push plate (5) thickness direction
Between position, second flow channel (10) and third flow channel (11) are symmetrically distributed in first runner (9) two sides, the starting stave (7)
It is arc line shaped with the second riser (8) lower end section, close to push plate (5) one lateral extent stator (3) slot wedge on the arc line shaped
Distance is greater than the distance on arc line shaped far from push plate (5) one lateral extent stator (3) slot wedge.
2. the device according to claim 1 for by insulating paper in slot wedge, it is characterised in that: the boss
(19) the first straight pin (22) being socketed for pressure spring (21) end, separate second flow channel (10) one end on open slot (20) are equipped with
Equipped with the second straight pin (23) being socketed for pressure spring (21) end, pressure spring (21) is located at the first straight pin (22) and the second straight pin
(23) in the gap of vertical direction.
3. the device according to claim 1 for by insulating paper in slot wedge, it is characterised in that: the slide unit
(15) it is slidably connected on workbench (2) by dovetail groove.
4. the device according to claim 1 for by insulating paper in slot wedge, it is characterised in that: the push plate
(5) thickness value is less than the width value of slot wedge opening on stator (3).
5. the device according to claim 1 for by insulating paper in slot wedge, it is characterised in that: the push plate
(5) length value is greater than the length value of stator (3) axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610693681.3A CN106253608B (en) | 2016-08-19 | 2016-08-19 | For the device by insulating paper in slot wedge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610693681.3A CN106253608B (en) | 2016-08-19 | 2016-08-19 | For the device by insulating paper in slot wedge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106253608A CN106253608A (en) | 2016-12-21 |
| CN106253608B true CN106253608B (en) | 2019-01-25 |
Family
ID=57592510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610693681.3A Expired - Fee Related CN106253608B (en) | 2016-08-19 | 2016-08-19 | For the device by insulating paper in slot wedge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106253608B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4607353B2 (en) * | 2001-03-02 | 2011-01-05 | 本田技研工業株式会社 | Generator / motor insulator assembly equipment |
| CN201156693Y (en) * | 2008-02-19 | 2008-11-26 | 健闵实业股份有限公司 | Motor dielectric paper insertion machine |
| TWI392196B (en) * | 2009-06-30 | 2013-04-01 | Victory Ind Corp | Method of Making Stirrups for Automobile Generators |
| CN202772761U (en) * | 2012-07-17 | 2013-03-06 | 永康市捷欣机械设备有限公司 | Stator insulation paper molding and insertion mechanism |
| CN103312099B (en) * | 2013-06-21 | 2018-05-08 | 苏州市圣玛特电机设备制造有限公司 | A kind of stator insulating paper is pushed into mechanism |
| CN103337936B (en) * | 2013-06-21 | 2018-05-08 | 苏州市圣玛特电机设备制造有限公司 | A kind of stator clamping workbench of stator insulating paper push-in |
-
2016
- 2016-08-19 CN CN201610693681.3A patent/CN106253608B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106253608A (en) | 2016-12-21 |
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Granted publication date: 20190125 Termination date: 20210819 |