CN107946792A - A kind of secondary device voltage test connection terminal - Google Patents
A kind of secondary device voltage test connection terminal Download PDFInfo
- Publication number
- CN107946792A CN107946792A CN201710936753.7A CN201710936753A CN107946792A CN 107946792 A CN107946792 A CN 107946792A CN 201710936753 A CN201710936753 A CN 201710936753A CN 107946792 A CN107946792 A CN 107946792A
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- CN
- China
- Prior art keywords
- base
- terminal
- shaped folder
- short circuit
- piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
- H01R9/22—Bases, e.g. strip, block, panel
- H01R9/24—Terminal blocks
- H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
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- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The present invention relates to circuit interconnection technique field, more particularly, to a kind of secondary device voltage test connection terminal.A kind of secondary device voltage test connection terminal, base and plug-in type short circuit piece including insulation, the both sides of base are correspondingly arranged at least two pairs of terminal bases, the terminal cavities being connected with wire guide are provided with terminal base, U-shaped folder piece is provided with terminal cavities, the bottom for the U-shaped folder piece in two terminal bases being correspondingly arranged is connected with conductive sheet, the both sides of U-shaped folder piece are provided with stabilising arrangement, the both sides of base are equipped with slot, card slot is provided with the wall of slot-side, gutter is provided with the wall of slot opposite side, plug-in type short circuit piece includes insulation division and short circuit portion, the side of insulation division is provided with gripping mechanism.The present invention is easy to operate, and work efficiency is high, and stable connection is lasting, improves secondary device voltage test connection terminal short circuit efficiency, safe.
Description
Technical field
The present invention relates to circuit interconnection technique field, more particularly, to a kind of secondary device voltage test connection terminal.
Background technology
Secondary device voltage test connection terminal is to access each voltage class buckling secondary side voltage in protection screen cabinet to supply
A kind of connector of various protective devices, after being widely used in the secondary storehouse of switchgear and protection screen cabinet.Secondary device voltage
Test connection terminal there are the problem of：1st, the metal part of short circuit piece is exposed outside, electrical distance is small, carries out same power supply, different electricity
Source nuclear phase easily causes phenomena such as touching, discharging by mistake when work, causes the incorrect operation of protection；2nd, short circuit piece uses multiple spiral shells
Silk is fixed, and it is different fixed screw degree of screwing easily occur, and causes to put short circuit unfavorable condition individually, influences the defeated of secondary voltage
Go out；3rd, being continuously increased with grid short circuit capacity, the dielectric level requirement to secondary device voltage test connection terminal are more next
Higher, there is shortcoming in the secondary device voltage test connection terminal dielectric level used now；4th, after conducting wire insertion terminal inner
Fastened by screw generally is used, when to fasten a large amount of conducting wires, work efficiency is low, and easily wrong conducting wire.
As Chinese patent notification number is：206211038 U of CN, on May 31st, 2017 bulletin a kind of short-circuit device,
Including conducting wire, conductive sheet and bolt, the first end of at least two/beam conducting wire is connected with conductive sheet, at least two/beam conducting wire
Second end interconnect, the conductive sheet is sheathed on bolt by through hole thereon, the conducting wire and conductive sheet one into
Although type, this device ensure that effective reliable contacts of conducting wire and conductive sheet, but it is too low to tighten efficiency during bolt, and easily
Occur that fixing bolt degree of screwing is different causes the undesirable situation of indivedual point contacts.
The content of the invention
The present invention is primarily directed to the above problem, there is provided one kind so that attended operation is simple between conducting wire and terminal, imitate by work
Rate is high, and stable connection is lasting, and short circuit is efficient, safe secondary device voltage test connection terminal.
The purpose of the present invention is mainly what is be achieved by following proposal：A kind of secondary device voltage test connecting pin
Son, including the base of insulation and plug-in type short circuit piece, the both sides of the base are correspondingly arranged at least two pairs of terminal bases, described
Terminal base upper end be provided with wire guide, the terminal cavities being connected with wire guide, the terminal are provided with the terminal base
Intracavitary is provided with the U-shaped folder piece for clamping conducting wire, is connected at the upper end opening of the U-shaped folder piece with wire guide, the U
Type intermediate plate upper end is provided with two elastic collets clamped all the time, the U-shaped folder piece in described be correspondingly arranged two terminal bases
Bottom be connected with conductive sheet, the both sides of the U-shaped folder piece are provided with stabilising arrangement, and the stabilising arrangement includes being arranged on
Fixed block on U-shaped folder piece side wall and the fixing groove for being arranged on terminal base inner wall and matching with fixed block, the fixation
Fixed spring is connected between groove and fixed block, is provided with pinching end on the elastic collet inner wall, on the pinching end
Clip tooth is provided with, the both sides of the base are correspondingly arranged on to be set with the matched slot of plug-in type short circuit piece, the slot
Put in abutting end stroma and at base center, card slot is provided with the wall of the slot-side, the slot is another
Gutter is provided with the wall of side, the plug-in type short circuit piece includes insulation division and short circuit portion, the side of the insulation division
It is provided with gripping mechanism, the gripping mechanism includes being arranged on insulation division side and fixture block matched with card slot, is arranged on
Lug boss of the fixture block on the wall of short circuit portion side and be arranged on card slot bottom surface and with the matched concave part of lug boss, institute
It is provided with the wall for the insulation division opposite side stated and the matched stable block of gutter.The both sides of base are correspondingly arranged at least two
To terminal base, terminal base upper end is provided with wire guide, and the terminal cavities being connected with wire guide are provided with terminal base, are set in terminal cavities
The U-shaped folder piece for clamping conducting wire is equipped with, is connected at the upper end opening of U-shaped folder piece with wire guide, U-shaped folder piece upper end is provided with two
A elastic collet clamped all the time, wire guide are used for realization the connection of terminal and conducting wire, and conducting wire is inserted into end from wire guide
In sub- chamber and it is against at the top of U-shaped folder piece, by the open-top elastic collet of conducting wire or first that elastic collet is open-top with screwdriver auxiliary, then will
Inside conducting wire insertion U row intermediate plates, screwdriver is removed so that the elastic collet of both sides is by conductor clamping so that conducting wire is immovable,
The bottom for the U-shaped folder piece in two terminal bases being correspondingly arranged is connected with conductive sheet, and conducting wire is against U-shaped folder piece bottom and with leading
Electric piece contact, realizes the circuit connection between two terminal bases being correspondingly arranged, the both sides of U-shaped folder piece are provided with stable dress
Put, stabilising arrangement include the fixed block that is arranged on U-shaped folder piece side wall and be arranged on terminal base inner wall and with fixed block phase
The fixing groove matched somebody with somebody, is connected with fixed spring between fixing groove and fixed block, when conducting wire is inserted into U-shaped folder piece, U-shaped folder piece is subject to
The power opened toward both sides, after the both sides of U-shaped folder piece are flared, fixed block can be embedded in matched fixing groove, work as fixation
When block is embedded in certain depth, tension force and the fixed spring of U-shaped folder block both sides reach equilibrium state to the active force of fixed block, make
Obtain conducting wire and reach stable state in terminal base, while fixed spring can also play the role of damping, buffering when conducting wire rocks；
Pinching end is provided with elastic collet inner wall, clip tooth is provided with pinching end, pinching end is in the shape to match with conducting wire, in bullet
Property collet clamping force effect under, pinching end tightly clamp conducting wire, it is effectively anti-in the ratchet that is set on pinching end insertion conducting wire
Only conducting wire moves axially, the both sides of base be correspondingly arranged on the matched slot of plug-in type short circuit piece, slot is arranged on adjacent
At terminal base and close base center, card slot is provided with the wall of slot-side, gutter is provided with the wall of slot opposite side,
Plug-in type short circuit piece includes insulation division and short circuit portion, and the side of insulation division is provided with gripping mechanism, and gripping mechanism includes being arranged on
Insulation division side and fixture block matched with card slot, be arranged on lug boss of the fixture block on the wall of short circuit portion side and be arranged on
On card slot bottom surface and with the matched concave part of lug boss, be provided with the wall of insulation division opposite side matched steady with gutter
Determine block, plug-in type short circuit piece is inserted into slot, the stabilization block of insulation division side is downwardly into along gutter, and insulation division is another
The fixture block of side is downwardly into along card slot, and when fixture block is touched on card slot bottom surface, the lug boss on fixture block can be caught in phase therewith
In the concave part of cooperation so that plug-in type short circuit piece is inserted in place, and is fixed in place, can prevent secondary circuit
Disconnection or virtual connection.
Preferably, the both sides of the base are provided with the slug for carrying out label to terminal base, the mark
Note bar is located at abutting end stroma and away from base center.The both sides of base are provided with the mark for carrying out label to terminal base
Bar, slug are located at abutting end stroma and away from base centers, have on slug to abutting end stroma or the end being oppositely arranged
The label of stroma, facilitates staff's operation, prevents from malfunctioning during connection.
Preferably, the teeth directional of the clip tooth is oblique U-shaped folder piece bottom direction.The teeth directional of clip tooth is oblique U-shaped folder
Piece bottom direction, when conducting wire is inserted into U-shaped folder piece, the clip tooth of oblique U-shaped folder piece bottom direction will not be more to conducting wire generation
Resistance, after elastic collet is by conductor clamping, clip tooth tightly clamp conducting wire, when conducting wire will toward away from U-shaped folder piece direction move
When dynamic, clip tooth can produce conducting wire larger resistance, prevent conducting wire from moving so that stability is more preferable.
Preferably, the lug boss is in sphere shape.Lug boss is in sphere shape, more aesthetically pleasing, with matching recessed
Concave portion has the spherical inner cavity of opening for upper end, and opening is slightly less than the diameter of lug boss, lug boss is caught in through opening recessed
In concave portion so that short circuit piece is fixed during discrepancy.
Preferably, the lug boss is made of insulating elastic material.Lug boss is made of insulating elastic material, raised
Portion, which is caught in when concave part passes through opening, can deform diminution so that lug boss fits inside faster, reduce and damaged caused by friction
Consumption, adds the service life of device.
Preferably, it is provided with demarcation strip between the two neighboring slot.Pass through separation between two neighboring slot
Plate separates, and when operation is safer.
Therefore, a kind of secondary device voltage test connection terminal of the invention possesses following advantages：Improve secondary device
Voltage test connection terminal short circuit efficiency, reduces the hair that traditional short circuit sheet mode short circuit causes secondary circuit disconnection or virtual connection
It is raw, eliminate because the metal part of short circuit piece is exposed outside, electrical distance is small, carry out the work such as same power supply, different power supply nuclear phase
Shi Rongyi causes phenomena such as touching, discharging by mistake, causes the hidden danger of the incorrect operation of protection, adds security；Conducting wire and terminal
Between attended operation it is simple, work efficiency is high, and stable connection is lasting.
Brief description of the drawings
Attached drawing 1 is a kind of structure diagram of the present invention.
Attached drawing 2 is sectional view at A-A in attached drawing 1.
Attached drawing 3 is the structure diagram of the plug-in type short circuit piece side in the present invention.
Attached drawing 4 is the structure diagram of the plug-in type short circuit piece opposite side in the present invention.
Illustrate：1- bases, 2- slugs, 3- wire guides, 4- slots, 5- concave parts, 6- demarcation strips, 7- terminal cavities,
8- fixed springs, 9- fixing grooves, 10- fixed blocks, 11-U type intermediate plates, 12- gutters, 13- conductive sheets, 14- card slots, 15- elasticity
Collet, 16- clip tooths, 17- pinching ends, 18- terminal bases, 19- insulation divisions, 20- stabilization blocks, 21- short circuits portion, 22- fixture blocks, 23- are convex
The portion of rising.
Embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1：
As shown in Figure 1,2,3, 4, a kind of secondary device voltage test connection terminal, includes the base 1 and plug-in type short circuit of insulation
Piece, the both sides of base are provided with the slug 2 for carrying out label to terminal base, and slug is located at abutting end stroma and the bottom of away from
At seat center, there is the label to abutting end stroma or the terminal base being oppositely arranged on slug, facilitate staff's operation, prevent
Malfunction when only connecting；The both sides of base are correspondingly arranged at least two pairs of terminal bases 17, and terminal base upper end is provided with wire guide 3, end
The terminal cavities 7 being connected with wire guide are provided with stroma, the U-shaped folder piece 11 for clamping conducting wire, U-shaped folder are provided with terminal cavities
Connected at the upper end opening of piece with wire guide, U-shaped folder piece upper end is provided with two elastic collets clamped all the time 15, and wire guide is used
In the connection for realizing terminal and conducting wire, conducting wire is inserted into terminal cavities from wire guide and is against at the top of U-shaped folder piece, by conducting wire
Open-top elastic collet is first open-top by elastic collet with screwdriver auxiliary, then conducting wire is inserted into inside U row intermediate plates, removes screw
Knife so that the elastic collet of both sides is by conductor clamping so that conducting wire is immovable, U-shaped in two be correspondingly arranged terminal base
The bottom of intermediate plate is connected with conductive sheet 13, and conducting wire is against U-shaped folder piece bottom and is contacted with conductive sheet, realizes what is be correspondingly arranged
Circuit connection between two terminal bases, the both sides of U-shaped folder piece are provided with stabilising arrangement, and stabilising arrangement includes being arranged on U-shaped folder
Fixed block 10 on piece side wall and the fixing groove 9 for being arranged on terminal base inner wall and matching with fixed block, fixing groove and fixation
Fixed spring 8 is connected between block, when conducting wire is inserted into U-shaped folder piece, U-shaped folder piece is subject to the power opened toward both sides, U-shaped folder piece
Both sides be flared after, fixed block can be embedded in matched fixing groove, U-shaped when fixed block is embedded in certain depth
The tension force of fixture block both sides reaches equilibrium state with fixed spring to the active force of fixed block so that conducting wire reaches steady in terminal base
Determine state, while fixed spring can also play the role of damping, buffering when conducting wire rocks；Folder is provided with elastic collet inner wall
It is tight to hold 18, clip tooth 16 is provided with pinching end, pinching end is in the shape to match with conducting wire, is acted in the clamping force of elastic collet
Under, pinching end tightly clamp conducting wire, in the ratchet that is set on pinching end insertion conducting wire, the teeth directional of clip tooth is oblique U-shaped folder piece
Bottom direction, when conducting wire is inserted into U-shaped folder piece, the clip tooth of oblique U-shaped folder piece bottom direction will not be more to conducting wire generation
Resistance, after elastic collet is by conductor clamping, clip tooth tightly clamp conducting wire, when conducting wire will toward away from U-shaped folder piece direction move
When, clip tooth can produce conducting wire larger resistance, prevent conducting wire from moving so that stability is more preferable；The both sides of base are correspondingly arranged
Have and be arranged on abutting end stroma with the matched slot 4 of plug-in type short circuit piece, slot and at base center, slot-side
Card slot 14 is provided with wall, is provided with gutter 12 on the wall of slot opposite side, plug-in type short circuit piece includes insulation division 19 and short
Socket part 21, the side of insulation division are provided with gripping mechanism, and gripping mechanism includes being arranged on insulation division side and being engaged with card slot
Fixture block 22, be arranged on lug boss 23 of the fixture block on the wall of short circuit portion side and be arranged on card slot bottom surface and and lug boss
Matched concave part 5, be provided with the wall of insulation division opposite side with the matched stable block 20 of gutter, by plug-in type short circuit
In piece insertion slot, the stabilization block of insulation division side is downwardly into along gutter, and the fixture block of insulation division opposite side is along card slot
It is downwardly into, when fixture block is touched on card slot bottom surface, the lug boss on fixture block can be caught in concave part with matching, made
Plug-in type short circuit piece is inserted in place, and be fixed in place, can prevent that secondary circuit from disconnecting or virtual connection, adjacent two
Separated between a slot by demarcation strip 6, when operation is safer, and lug boss is more aesthetically pleasing in sphere shape, with matching
Concave part has the spherical inner cavity of opening for upper end, and opening is slightly less than the diameter of lug boss, lug boss is caught in through opening
In concave part so that short circuit piece is fixed during discrepancy, and lug boss is made of insulating elastic material, and lug boss is caught in concave part warp
Diminution can be deformed when crossing opening so that lug boss fits inside faster, reduces and is lost caused by friction, add device
Service life.
It is to be understood that the embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it should also be understood that,
After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc.
Valency form is also fallen within the scope of the appended claims of the present application.
Claims (6)
1. a kind of secondary device voltage test connection terminal, it is characterised in that base and plug-in type short circuit piece including insulation, institute
The both sides for the base stated are correspondingly arranged at least two pairs of terminal bases, and the terminal base upper end is provided with wire guide, the end
The terminal cavities being connected with wire guide are provided with stroma, the U-shaped folder piece for clamping conducting wire, institute are provided with the terminal cavities
Connected at the upper end opening for the U-shaped folder piece stated with wire guide, the U-shaped folder piece upper end is provided with two elasticity clamped all the time
Collet, the bottom of the U-shaped folder piece in described be correspondingly arranged two terminal bases are connected with conductive sheet, the U-shaped folder piece
Both sides are provided with stabilising arrangement, and the stabilising arrangement includes the fixed block being arranged on U-shaped folder piece side wall and is arranged on terminal
The fixing groove to match on seat inner wall and with fixed block, is connected with fixed spring between the fixing groove and fixed block, described
Elastic collet inner wall on be provided with pinching end, be provided with clip tooth on the pinching end, the both sides of the base, which correspond to, to be set
It is equipped with and is arranged on abutting end stroma with the matched slot of plug-in type short circuit piece, the slot and at base center, institute
Card slot is provided with the wall for the slot-side stated, gutter, the plug-in type are provided with the wall of the slot opposite side
Short circuit piece includes insulation division and short circuit portion, and the side of the insulation division is provided with gripping mechanism, and the gripping mechanism includes
Be arranged on insulation division side and fixture block matched with card slot, be arranged on lug boss of the fixture block on the wall of short circuit portion side and
Be arranged on card slot bottom surface and with the matched concave part of lug boss, be provided with the wall of the insulation division opposite side with stablizing
The matched stable block of groove.
2. a kind of secondary device voltage test connection terminal according to claim 1, it is characterised in that the base
Both sides are provided with the slug for carrying out label to terminal base, and the slug is located at abutting end stroma and away from base
At the heart.
3. a kind of secondary device voltage test connection terminal according to claim 1, it is characterised in that the clip tooth
Teeth directional is oblique U-shaped folder piece bottom direction.
4. a kind of secondary device voltage test connection terminal according to claim 1 or 2 or 3, it is characterised in that described
Lug boss is in sphere shape.
A kind of 5. secondary device voltage test connection terminal according to claim 4, it is characterised in that the lug boss
It is made of insulating elastic material.
6. a kind of secondary device voltage test connection terminal according to claim 1 or 2 or 3, it is characterised in that described
Demarcation strip is provided between two neighboring slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710936753.7A CN107946792B (en) | 2017-10-10 | 2017-10-10 | A kind of secondary device voltage test connection terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710936753.7A CN107946792B (en) | 2017-10-10 | 2017-10-10 | A kind of secondary device voltage test connection terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107946792A true CN107946792A (en) | 2018-04-20 |
| CN107946792B CN107946792B (en) | 2019-08-06 |
Family
ID=61936078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710936753.7A Active CN107946792B (en) | 2017-10-10 | 2017-10-10 | A kind of secondary device voltage test connection terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107946792B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650411A (en) * | 2020-07-16 | 2020-09-11 | 广东电网有限责任公司 | Joint junction box and electric energy metering device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0578118A1 (en) * | 1992-07-10 | 1994-01-12 | Richard Hirschmann GmbH & Co. | Plug contact element |
| CN201392894Y (en) * | 2009-04-24 | 2010-01-27 | 上海向开电气有限公司 | Parallelly-connected multifunctional wiring terminal |
| CN201656008U (en) * | 2010-02-11 | 2010-11-24 | 上海友邦电气股份有限公司 | Connection terminal module suitable for track installation |
| CN201708258U (en) * | 2010-05-13 | 2011-01-12 | 珠海市丰兰实业有限公司 | Combined terminal strip for current transformer |
| CN202067902U (en) * | 2011-01-30 | 2011-12-07 | 厦门唯恩电气有限公司 | Rapid wiring structure for electric connector probe |
| CN102377032A (en) * | 2011-10-28 | 2012-03-14 | 江门市创艺电器有限公司 | Novel wiring terminal |
| CN102891050A (en) * | 2011-07-18 | 2013-01-23 | 陈泽 | Socket type ground fault circuit interrupter |
| CN204991978U (en) * | 2015-08-25 | 2016-01-20 | 町洋企业股份有限公司 | Terminal connector of utensil lock structure |
| CN205335495U (en) * | 2015-11-25 | 2016-06-22 | 上海置恒电气有限公司 | Electric connector |
-
2017
- 2017-10-10 CN CN201710936753.7A patent/CN107946792B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0578118A1 (en) * | 1992-07-10 | 1994-01-12 | Richard Hirschmann GmbH & Co. | Plug contact element |
| CN201392894Y (en) * | 2009-04-24 | 2010-01-27 | 上海向开电气有限公司 | Parallelly-connected multifunctional wiring terminal |
| CN201656008U (en) * | 2010-02-11 | 2010-11-24 | 上海友邦电气股份有限公司 | Connection terminal module suitable for track installation |
| CN201708258U (en) * | 2010-05-13 | 2011-01-12 | 珠海市丰兰实业有限公司 | Combined terminal strip for current transformer |
| CN202067902U (en) * | 2011-01-30 | 2011-12-07 | 厦门唯恩电气有限公司 | Rapid wiring structure for electric connector probe |
| CN102891050A (en) * | 2011-07-18 | 2013-01-23 | 陈泽 | Socket type ground fault circuit interrupter |
| CN102377032A (en) * | 2011-10-28 | 2012-03-14 | 江门市创艺电器有限公司 | Novel wiring terminal |
| CN204991978U (en) * | 2015-08-25 | 2016-01-20 | 町洋企业股份有限公司 | Terminal connector of utensil lock structure |
| CN205335495U (en) * | 2015-11-25 | 2016-06-22 | 上海置恒电气有限公司 | Electric connector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650411A (en) * | 2020-07-16 | 2020-09-11 | 广东电网有限责任公司 | Joint junction box and electric energy metering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107946792B (en) | 2019-08-06 |
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