CN105161379A - Linkage device for realizing automatic closing function of circuit breaker - Google Patents
Linkage device for realizing automatic closing function of circuit breaker Download PDFInfo
- Publication number
- CN105161379A CN105161379A CN201510594012.6A CN201510594012A CN105161379A CN 105161379 A CN105161379 A CN 105161379A CN 201510594012 A CN201510594012 A CN 201510594012A CN 105161379 A CN105161379 A CN 105161379A
- Authority
- CN
- China
- Prior art keywords
- spanner
- circuit breaker
- positive
- linkage
- cylinder
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
- H01H71/70—Power reset mechanisms actuated by electric motor
-
- 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
Landscapes
- Breakers (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a linkage device for realizing automatic closing function of a circuit breaker. The linkage device comprises a power portion, which is used for outputting a trigger action; a linkage portion, which comprises a principal spanner and at least one auxiliary spanner, wherein the principal spanner and the auxiliary spanner are connected mutually, the principal spanner drives the auxiliary spanner synchronously, the auxiliary spanner is connected with an action unit of the circuit breaker, and connection and disconnection of the circuit breaker can be realized through the operation the principal spanner and the auxiliary spanner; and a transmission portion, which is coupled with the output of the power portion and the principal spanner, and is for transmitting the action from the power portion to the principal spanner. The linkage device realizes consistency of internal and external linkage of the principal spanner and the auxiliary spanner through short pins and a connection strip, and realizes the function of consistent closing or consistent tripping of the principal and auxiliary spanners under the condition that the linkage device is in a normal state or a short-circuit state.
Description
Technical field
The present invention relates to a kind of linkage, particularly a kind of linkage for realizing circuit breaker automatic switching-in function.
Background technology
Switch switchgear for power department, be ensure Electrical Safety, carry out the requisite equipment of circuit switching, along with country is to the release of intelligent grid plan, it is an important direction that miniature circuit breaker equipment needs to stride forward to intellectuality.Wherein, the break-make controlling power circuit by miniature circuit breaker group be a kind of important user to, the automatic closing or the tripping action that how to realize miniature circuit breaker group are very important functions.At present for single miniature circuit breaker, usually can be realized by electrically operated institution, but the action that current electrically operated institution only can control a miniature circuit breaker cannot realize controlling the action of multiple miniature circuit breaker; Most of electrically operated institution realizes closing a floodgate or cut-out function for large switch simultaneously, its function singleness, and the too low needs that cannot meet existing reality of intelligence degree; The more important thing is that current electrically operated institution realizes action and Position Control mainly through linkage, this often requires that motor realizes rotating function, control to close a floodgate or disconnect, it is comparatively large that this just causes electrically operated institution volume ratio, and linkage arranges the drawback of more complicated.
Consult Chinese patent " a kind of miniature circuit breaker with short circuit self-locking function ", application number: 201010520199.2, the present invention is a kind of miniature circuit breaker with short circuit self-locking function, it comprises: one first miniature circuit breaker, it is arranged on described power line, produces a tripping action when being short-circuited fault; One action output device for miniature circuit breaker, it comprises: a housing, is provided with in described housing: a motor, and it is in order to export a moment of torsion; One motor unit, its obtain described in the moment of torsion that exports of motor, and be converted to combined floodgate or the tripping action of described first miniature circuit breaker; One control unit, its control described in motor turn and stop; One short-circuit protection linkage unit; it is when the first described miniature circuit breaker produces tripping action because of short trouble; to described control unit one actuating signal, described control unit is made to make described motor stalls after described first miniature circuit breaker is short-circuited.
But miniature circuit breaker described above is on the consistency problem closed a floodgate, be difficult to control.
In view of above-mentioned defect, creator of the present invention obtains the present invention finally through long research and practice.
Summary of the invention
The object of the invention is to, a kind of linkage for realizing circuit breaker automatic switching-in function is provided, in order to overcome above-mentioned technological deficiency.
For achieving the above object, the technical solution used in the present invention is, provide a kind of linkage with automatic switching-in function, it comprises:
One power part, it is in order to export a trigger action;
One linkage portion, it comprises interconnective one positive spanner and at least one secondary spanner, and wherein, described positive spanner synchronously drives described secondary spanner, described secondary spanner is connected with the motor unit of described circuit breaker, by described just, the action of secondary spanner realizes the break-make of described circuit breaker;
One driving section, it couples, in order to action is transferred to described positive spanner from described power part mutually with the output of described power part and positive spanner respectively.
Linkage of the present invention achieves described interlock consistency just, inside and outside secondary spanner by described short pin and described intercell connector, ensure that described linkage is in normal state or under short-circuit condition, realize described just, the secondary spanner function of closing a floodgate together or tripping together.
Preferably, the junction of described positive spanner and described secondary spanner arranges a short pin, described short pin is provided with multiple tracks chute, with inside described positive spanner and described secondary spanner inboard groove match, prevent described short pin from relatively rotating in described positive spanner and described secondary spanner.
Preferably, described positive spanner comprises a positive plate, and described positive plate is provided with a pit, and described pit is in order to install an intercell connector, and described intercell connector is as the outer link part between secondary spanner described in described positive spanner and both sides.
Preferably, described positive spanner also comprises a cylinder, described cylinder is fixedly connected with described positive plate, described cylinder is provided with one first location hole, with equal of the position of one second location hole that described secondary spanner is arranged, described first location hole and described second location hole be the location hole on described circuit breaker as described positive spanner and described secondary spanner.
Preferably, described driving section comprises two drive blocks and a gear wheel, wherein, described drive block is symmetrically distributed on described gear wheel, and one end of described drive block is touched mutually with the lower end projection of described positive spanner, the other end touches mutually with one stroke switch, makes described projection, described drive block and described travel switch form interlock mutually, carries out the transmission of action.
Preferably, described power part comprises a pinion, and described pinion is meshed with described gear wheel, as the action transmission between described driving section and described power part.
Preferably, described power part also comprises a motor and a mount pad, wherein, the side of described mount pad is connected with described motor, and opposite side is connected with described pinion, and described mount pad comprises a base plate and a support, described support is between described motor and described base plate, as the bearing of described motor, on described base plate, diagonal angle is provided with two through holes, in order to fixing described power part.
Preferably, described driving section also comprises a boss, and described boss is positioned at the center of described gear wheel, and be embedded on described gear wheel, fixed by the disk of described gear wheel opposite side, described boss and described gear wheel mutually through, in order to be connected on described circuit breaker.
Preferably, described secondary spanner comprises a stepped cylinder, and it has been nested with a hollow circuit cylinder, and described hollow circuit cylinder is corresponding with the projection in described cylinder, and described hollow circuit cylinder and described projection are in order to be connected the two ends of described short pin.
Beneficial effect of the present invention is compared with the prior art: linkage of the present invention achieves described interlock consistency just, inside and outside secondary spanner by described short pin and described intercell connector, ensure that described linkage is in normal state or under short-circuit condition, realize described just, the secondary spanner function of closing a floodgate together or tripping together.
Accompanying drawing explanation
Fig. 1 is that the present invention is for realizing the structured flowchart of the linkage of circuit breaker automatic switching-in function;
Fig. 2 is that the present invention looks shaft side figure for the linkage left side realizing circuit breaker automatic switching-in function;
Fig. 3 is that the present invention looks shaft side figure for the linkage right side realizing circuit breaker automatic switching-in function;
Fig. 4 is that the present invention looks scattered shaft side figure for the linkage left side realizing circuit breaker automatic switching-in function;
Fig. 5 is that the present invention looks scattered shaft side figure for the linkage right side realizing circuit breaker automatic switching-in function;
Fig. 6 is that the present invention is for realizing the schematic cross-section of the short-and-medium pin of linkage embodiment one of circuit breaker automatic switching-in function.
Embodiment
Below in conjunction with accompanying drawing, to above-mentioned being described in more detail with other technical characteristic and advantage of the present invention.
Refer to shown in Fig. 1, it has the structured flowchart of the linkage for realizing circuit breaker automatic switching-in function for the present invention; Described linkage comprises linkage portion 1, driving section 2 and a power part 3, wherein, one end of described driving section 2 is connected with described linkage portion 1, the other end is connected with described power part 3, when circuit for generating short circuit, trigger the action of described power part 3, and make circuit breaker reach synchronous with the action of driving section 2 by described linkage portion 1; When after trouble shooting, again described in clawback during linkage portion 1, described circuit breaker is made again to be in "on" position.
Shown in composition graphs 2, it is that the present invention looks shaft side figure for the linkage left side realizing circuit breaker automatic switching-in function; And shown in Fig. 3, it is that the present invention looks shaft side figure for the linkage right side realizing circuit breaker automatic switching-in function; Described linkage portion 1 comprises a positive spanner 11, the present embodiment is for two secondary spanners 12 simultaneously, wherein, described positive spanner 11 is between two described secondary spanners 12, if only have a secondary spanner, then itself and described positive spanner 11 are arranged side by side and get final product (specific embodiment of the invention is not repeating, and it can be consulted the present embodiment and arrange), and be connected by two short pins 13, and described secondary spanner 12 is connected with the motor unit of described circuit breaker; The lower end of described positive spanner 11 is provided with a projection 14, described projection 14 touches mutually with the drive block 21 on described driving section 2, wherein, the quantity of described drive block 21 is two pieces, and Central Symmetry is distributed on a gear wheel 22 of described driving section 2, wherein, one piece of described drive block 21 touches mutually with described projection 14, and drive block 21 described in another block touches mutually with on & off switch on one stroke switch 23; Described power part 3 comprises a pinion 31, and the connection of described power part 3 and described driving section 2 engages by described gear wheel 22 and described pinion 31 the transmission carrying out power.
Described secondary spanner 12 can be symmetricly set on the both sides of described positive spanner 11, also can quantity not wait the both sides being arranged on described positive spanner 11, make the combination realizing any amount between the circuit breaker at the circuit breaker at described secondary spanner 12 place and described positive spanner 11 place.Such as, the quantity of the described secondary spanner 12 that described positive spanner 11 both sides connect can be three, or side is three, opposite side is one, or side is three, opposite side is one, or side is two, opposite side does not then connect described secondary spanner 12, but is not limited only to the integrated mode of above-mentioned description.
When the testing agency in described circuit breaker detect in circuit there is over-current phenomenon avoidance time, trigger described motor 32 to rotate, described pinion 31 is driven to rotate, and pass through engaging structure, described gear wheel 22 is driven to rotate, the described drive block 21 being positioned at upside is made to promote the action of described projection 14, and then make described positive spanner 11 drive assistant's plate 12 to rotate, the described drive block 21 in downside touches described travel switch 23 simultaneously, described motor 32 is reversed, described gear wheel 22 is driven to turn round, thus make the described drive block 21 being positioned at upside away from described projection 14, until when the described drive block 21 in downside touches described motor 32 again, described motor 32 is out of service, thus disconnect described circuit breaker.
When after trouble shooting, again described in clawback during positive spanner 11, described circuit breaker is made again to get back to "on" position.
Described positive spanner 11 also comprises positive plate 111 and a cylinder 112, wherein, the side of described cylinder 112 is connected with described positive plate 111, opposite side is connected with described projection 14, described positive plate 111 is a T-shape, and hollow, be provided with a pit 113, be positioned at the middle part of described positive plate 111, in order to assign an intercell connector (not shown), described intercell connector is as the outer link part between secondary spanner 12 described in described positive spanner 11 and both sides, and described short pin 13 is as the Inner link part between secondary spanner 12 described in described positive spanner 11 and both sides, reach the effect of dual interlock, more improve the interlock consistency between described positive spanner 11 and described secondary spanner 12, the two ends of described cylinder 112 are respectively provided with a projection 114, and described protruding 114 are embedded on described cylinder 112, described protruding 114 in order to be socketed one end of described short pin 13, the two ends of described cylinder 112 are also provided with multiple irregular shape groove 115, described groove 115 is positioned at the described periphery of protruding 114, in order to alleviate the weight of described cylinder 112, the end of described cylinder 112 is also provided with one first location hole 116, in order to be socketed on-board the circuit breaker by described positive spanner 11, described projection 14 is a circular arc camber, and the convex surface of described circular arc camber touches mutually with described drive block 21.
Described secondary spanner 12 comprises secondary plate 121 and a stepped cylinder 122, wherein, described secondary plate 121 is a T-shape, and the height of described secondary plate 121 is mutually concordant with the height of described positive plate 111, and the two ends of described secondary plate 121 are run through, in order to be arranged on described circuit breaker; Run through before and after described stepped cylinder 122, and described stepped cylinder 122 is provided with a hollow circuit cylinder 123, described hollow circuit cylinder 123 is positioned at the described opposite face of protruding 114, in order to connect the other end of described short pin 13, described stepped cylinder 122 is also provided with one second location hole 124, the position of described second location hole 124 on described stepped cylinder 122 is corresponding with the described position of the first location hole 116 on described cylinder 112, and described second location hole 124 is in order to be socketed in described secondary spanner 12 on described circuit breaker.
On the symmetrical side being distributed in described gear wheel 22 of described drive block 21, described drive block 21 is a circular arc cylinder, the concave surface of the circular arc cylinder of the drive block 21 wherein described in a piece touches mutually with the convex surface of described projection 14, the convex surface of the circular arc cylinder of drive block 21 described in another block touches mutually with the on & off switch of described travel switch 23, make described projection 14, described drive block 21 and described travel switch 23 form mutual interlock, carry out the transmission of action; Described driving section 2 also comprises a boss 24, described boss 24 is positioned at the center of described gear wheel 22, and is embedded on described gear wheel 22, is fixed by the disk of described gear wheel 22 opposite side, described boss 24 is mutually through with described gear wheel 22, in order to be connected on described circuit breaker.
Described power part 3 also comprises motor 32 and a mount pad 33, wherein, the side of described mount pad 33 is connected with described motor 32, opposite side is connected with described pinion 31, and the gear shaft at described pinion 31 center is connected with the power transmission shaft of described motor 32, wherein, described gear shaft and described power transmission shaft can be integrated, and also can be split, described mount pad 33 is a turriform, wherein, described mount pad 33 comprises base plate 331 and a support 332, described support 332 is between described motor 32 and described base plate 331, as the bearing of described motor 32, on described base plate 331, diagonal angle is provided with two through holes 333, in order to fixing described power part 3, described support 332 is stratiform, and is connected by connecting rod between layers, when being short-circuited in circuit, trigger described motor 32 to rotate, described pinion 31 is driven to rotate, pass through engaging structure, described gear wheel 22 is driven to rotate, the described drive block 21 in upside is made to promote the action of described projection 14, and then make described positive spanner 11 drive assistant's plate 12 to rotate, the described drive block 21 in downside touches described travel switch 23 simultaneously, described motor 32 is reversed, thus make the described drive block 21 in upside away from described projection 14, until when the described drive block 21 in downside touches described motor 32 again, described motor 32 is out of service, the described circuit breaker of final disconnection.
Shown in composition graphs 4, it is that the present invention looks scattered shaft side figure for the linkage left side realizing circuit breaker automatic switching-in function, and shown in Fig. 5, it looks scattered shaft side figure for the present invention for the linkage right side realizing circuit breaker automatic switching-in function, described short pin 13 is provided with multiple tracks chute 131, with described protruding 114 inside and recess inside described stepped cylinder 122, prevent described short pin 13 from relatively rotating in described protruding 114 and described stepped cylinder 122 body, also improve the interlock consistency between described positive spanner 11 and described secondary spanner 12 accordingly, as shown in FIG., described in it, the cross section of short pin 13 is cross, make the connection inside described short pin 13 and described protruding 114 and inside described stepped cylinder 122 more tight, but cross sectional shape is not limited only in this, consult shown in Fig. 6, it has the schematic cross-section of the short-and-medium pin of linkage embodiment one for realizing circuit breaker automatic switching-in function for the present invention, the two sides up and down of described short pin 13 are an arched surface 132, each side be provided with a cavity 133, and described cavity 133 is symmetric, two squares are provided with accordingly inside described protruding 114 with inside described stepped cylinder 122, and the position of described square is corresponding with the position of described cavity 133, also can realize described short pin 13 and described protruding 114 and described stepped cylinder 122 between nested encryptions, realize the interlock consistency between described positive spanner 11 and described secondary spanner 12.
Linkage of the present invention achieves described interlock consistency just, inside and outside secondary spanner 12 by described short pin 13 and described intercell connector, ensure that described linkage is in normal state or under short-circuit condition, realize described just, secondary spanner 12 function of closing a floodgate together or tripping together.
The foregoing is only preferred embodiment of the present invention, is only illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes in the spirit and scope that the claims in the present invention limit to it, amendment, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (9)
1. for realizing a linkage for circuit breaker automatic switching-in function, it is characterized in that, described linkage comprises:
One power part, it is in order to export a trigger action;
One linkage portion, it comprises interconnective one positive spanner and at least one secondary spanner, and wherein, described positive spanner synchronously drives described secondary spanner, described secondary spanner is connected with the motor unit of described circuit breaker, by described just, the action of secondary spanner realizes the break-make of described circuit breaker;
One driving section, it couples, in order to action is transferred to described positive spanner from described power part mutually with the output of described power part and positive spanner respectively.
2. linkage according to claim 1, it is characterized in that, the junction of described positive spanner and described secondary spanner arranges a short pin, described short pin is provided with multiple tracks chute, with inside described positive spanner and described secondary spanner inboard groove match, prevent described short pin from relatively rotating in described positive spanner and described secondary spanner.
3. linkage according to claim 1 and 2, it is characterized in that, described positive spanner comprises a positive plate, and described positive plate is provided with a pit, described pit is in order to install an intercell connector, and described intercell connector is as the outer link part between secondary spanner described in described positive spanner and both sides.
4. linkage according to claim 3, it is characterized in that, described positive spanner also comprises a cylinder, and described cylinder is fixedly connected with described positive plate, described cylinder is provided with one first location hole, with equal of the position of one second location hole that described secondary spanner is arranged.
5. linkage according to claim 3, it is characterized in that, described driving section comprises two drive blocks and a gear wheel, wherein, described drive block is symmetrically distributed on described gear wheel, and one end of described drive block is touched mutually with the lower end projection of described positive spanner, and the other end touches mutually with one stroke switch, make described projection, described drive block and described travel switch form interlock mutually, carry out the transmission of action.
6. linkage according to claim 5, is characterized in that, described power part comprises a pinion, and described pinion is meshed with described gear wheel, as the action transmission between described driving section and described power part.
7. linkage according to claim 6, it is characterized in that, described power part also comprises a motor and a mount pad, and wherein, the side of described mount pad is connected with described motor, opposite side is connected with described pinion, described mount pad comprises a base plate and a support, described support between described motor and described base plate, as the bearing of described motor, on described base plate, diagonal angle is provided with two through holes, in order to fixing described power part.
8. linkage according to claim 5, it is characterized in that, described driving section also comprises a boss, described boss is positioned at the center of described gear wheel, and be embedded on described gear wheel, fixed by the disk of described gear wheel opposite side, described boss and described gear wheel mutually through, in order to be connected on described circuit breaker.
9. linkage according to claim 2, it is characterized in that, described secondary spanner comprises a stepped cylinder, and it has been nested with a hollow circuit cylinder, described hollow circuit cylinder is corresponding with the projection in described cylinder, and described hollow circuit cylinder and described projection are in order to be connected the two ends of described short pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510594012.6A CN105161379B (en) | 2015-09-17 | 2015-09-17 | A kind of linkage for realizing breaker automatic switching-in function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510594012.6A CN105161379B (en) | 2015-09-17 | 2015-09-17 | A kind of linkage for realizing breaker automatic switching-in function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105161379A true CN105161379A (en) | 2015-12-16 |
| CN105161379B CN105161379B (en) | 2018-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510594012.6A Active CN105161379B (en) | 2015-09-17 | 2015-09-17 | A kind of linkage for realizing breaker automatic switching-in function |
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| Country | Link |
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| CN (1) | CN105161379B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161375A (en) * | 2015-09-17 | 2015-12-16 | 湖北盛佳电器设备有限公司 | Linkage device for realizing automatic closing of circuit breaker and circuit breaker having same |
| CN105489452A (en) * | 2016-01-18 | 2016-04-13 | 范国平 | Micro circuit breaker with automatic switching-on function and automatic switching-off function, and operating method thereof |
| CN112951674A (en) * | 2019-12-11 | 2021-06-11 | 上海良信电器股份有限公司 | Synchronous closing mechanism and circuit breaker device |
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| DE3028812A1 (en) * | 1980-07-30 | 1982-02-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Manually or remote operated switch - has motor and gear train mounted on side, driving rotor with projecting operating finger |
| CN102013363A (en) * | 2010-10-18 | 2011-04-13 | 湖北盛佳电器设备有限公司 | Miniature circuit breaker with short circuit self-locking function |
| CN204029748U (en) * | 2014-07-16 | 2014-12-17 | 浙江天正电气股份有限公司 | A kind of electrically operated device for circuit breaker and miniature circuit breaker |
| CN104465244A (en) * | 2014-12-23 | 2015-03-25 | 莫文艺 | Control method for switching mechanism |
| CN105161375A (en) * | 2015-09-17 | 2015-12-16 | 湖北盛佳电器设备有限公司 | Linkage device for realizing automatic closing of circuit breaker and circuit breaker having same |
| CN205069551U (en) * | 2015-09-17 | 2016-03-02 | 湖北盛佳电器设备有限公司 | A aggregate unit for realizing automatic function of closing a floodgate of circuit breaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3028812A1 (en) * | 1980-07-30 | 1982-02-25 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Manually or remote operated switch - has motor and gear train mounted on side, driving rotor with projecting operating finger |
| CN102013363A (en) * | 2010-10-18 | 2011-04-13 | 湖北盛佳电器设备有限公司 | Miniature circuit breaker with short circuit self-locking function |
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| CN105161375A (en) * | 2015-09-17 | 2015-12-16 | 湖北盛佳电器设备有限公司 | Linkage device for realizing automatic closing of circuit breaker and circuit breaker having same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161375A (en) * | 2015-09-17 | 2015-12-16 | 湖北盛佳电器设备有限公司 | Linkage device for realizing automatic closing of circuit breaker and circuit breaker having same |
| CN105161375B (en) * | 2015-09-17 | 2018-12-04 | 湖北盛佳电器设备有限公司 | Realize the linkage of breaker automatic closing and the breaker with the device |
| CN105489452A (en) * | 2016-01-18 | 2016-04-13 | 范国平 | Micro circuit breaker with automatic switching-on function and automatic switching-off function, and operating method thereof |
| CN112951674A (en) * | 2019-12-11 | 2021-06-11 | 上海良信电器股份有限公司 | Synchronous closing mechanism and circuit breaker device |
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|---|---|
| CN105161379B (en) | 2018-12-04 |
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