CN103837846A - Lamp base magnetic attraction test - Google Patents
Lamp base magnetic attraction test Download PDFInfo
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- CN103837846A CN103837846A CN201210492689.5A CN201210492689A CN103837846A CN 103837846 A CN103837846 A CN 103837846A CN 201210492689 A CN201210492689 A CN 201210492689A CN 103837846 A CN103837846 A CN 103837846A
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- lamp base
- fixing clamp
- light
- adsorption
- pull bar
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Abstract
A lamp base magnetic attraction test device is used for testing the magnetic attraction performance of a lamp base. The lamp base is provided with a magnet, the lamp base magnetic attraction test device comprises an iron attraction piece, a lamp fixing clamp, a motor and a pull rod, the iron attraction piece is used for attracting the lamp base, the lamp fixing clamp and the iron attraction piece are arranged in an oppositely spaced mode, the lamp fixing clamp can move back and forth relative to the iron attraction piece and is used for fixing a lamp or the lamp base, a motor rotary plate is arranged at the free end of a driving shaft of the motor, the driving shaft drives the motor rotary plate to rotate with the driving shaft as an axis, one end of the pull rod is rotatably connected with the motor rotary plate, and the other end of the pull rod is rotatably connected with the lamp fixing clamp. The lamp base magnetic attraction test device simulates the fact that the lamp base magnet is magnetically attracted on the iron attraction piece, whether the magnetic attraction function of the lamp base is reduced or not is checked after multi-time cycling, and therefore the reliability of the magnetic attraction of the lamp base can be effectively evaluated. The invention further provides a lamp base magnetic attraction test method.
Description
[technical field]
The present invention relates to a kind of lamp test device and method, particularly relate to a kind of lamp base magnetic-adsorption test unit and method.
[background technology]
Railway signal lamp, as a kind of a kind of light fixture of commanding train passage to stop, because of features such as its light penetration power in air is strong, easy to use, volume is little, removable uses, uses very extensive; And railway signal lamp is that magnet adsorption by lamp base is on metal in use, after using, take off, whether circulation is long-term like this uses rear lamp base magnet adsorption performance to reduce, so the magnetic adsorption function of railway signal lamp is the important indicator of weighing this light fixture, therefore the magnetic adsorption function of railway signal lamp must be considered in research and development design.
But the magnetic-adsorption ability of railway signal lamp is difficult to effectively assess before reality is used.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of lamp base magnetic-adsorption test unit and method of magnetic-adsorption performance that can Efficient Evaluation lamp base before reality is used.
A kind of lamp base magnetic-adsorption test unit, for testing the magnetic-adsorption performance of described lamp base, described lamp base is provided with magnet, and described lamp base magnetic-adsorption test unit comprises:
Irony adsorption piece, for attracting mutually with described lamp base;
Fixing clamp of light, arranges with described irony adsorption piece relative spacing, and described fixing clamp of light can move around with respect to described irony adsorption piece, and described fixing clamp of light is for fixing described light fixture or described lamp base;
Motor, the free end of its driving shaft is provided with motor rotating disk, and described motor rotating disk is perpendicular to described driving shaft setting, and described driving shaft drives described motor rotating disk to rotate take described driving shaft as axle center; And
Pull bar, its one end and described motor rotating disk are rotatably connected, the other end and described fixing clamp of light are rotatably connected, and to form two bar linkage structures, described pull bar is not coaxial with respect to the axle center of described drive shaft turns with respect to axle center and the described motor rotating disk of described motor rotating disk;
Wherein, described motor is by motor dial rotation described in described drive shaft, described in described motor driven by rotary disc, pull bar pulls back and forth, and described pull bar drives described fixing clamp of light to move around, and described lamp base is repeatedly adsorbed on described irony adsorption piece.
Above-mentioned lamp base magnetic-adsorption test unit passes through the magnet adsorption of simulation lamp base on irony adsorption piece, then take off, be adsorbed on again on irony adsorption piece, so circulation, through repeatedly checking again whether lamp base magnetic adsorption function reduces after circulation, thereby can effectively evaluate the reliability of lamp base magnetic-adsorption.
In an embodiment, described fixing clamp of light comprises fixed block and contiguous block therein, and vertical connection of middle part of described fixed block and described contiguous block, to form T-shaped structure.
Therein in an embodiment, also comprise the first rod shaft, the middle part of described contiguous block is provided with through hole, described the first rod shaft is fixed in described through hole, the end of described pull bar is provided with the first sleeve, described the first sleeve is sheathed on described the first rod shaft rotationally, and described pull bar and described fixing clamp of light are rotatably connected.
Therein in an embodiment, also comprise the second rod shaft, described the second rod shaft is vertically fixed on the surface that described motor rotating disk is relative with the driving shaft of described motor, the end of described pull bar is provided with the second sleeve, described the second jacket casing is located on described the second rod shaft, and described pull bar and described motor rotating disk are rotatably connected.
In an embodiment, also comprise the guide rail that two parallel interval arrange therein, the two ends of described contiguous block respectively along described two guide rails slidably.
In an embodiment, described guide rail is guide pole therein, and the two ends of described contiguous block are respectively provided with the through hole that a described guide rail of confession passes, and makes described contiguous block along described two guide rails slidably.
Therein in an embodiment, the orienting lug that described guide rail is swallow-tail form, the chute that is equipped with the swallow-tail form matching with described guide rail at the two ends of described contiguous block, makes described contiguous block along described two guide rails slidably.
In an embodiment, also comprise four fixed legs therein, described four fixed legs are for guide rail described in fixed support, and wherein every two described fixed legs are fixedly connected with the two ends of a described guide rail respectively.
In an embodiment, the free end of described fixed block is provided with notch and is positioned at the fixed orifice of the both sides up and down of notch therein, and described notch is for accommodating described lamp base, and described fixed orifice is used for wearing locking member, and described locking member clamps described lamp base.
A kind of lamp base magnetic-adsorption test method, it adopts above-mentioned lamp base magnetic-adsorption test unit, and described lamp base magnetic-adsorption test method comprises the steps:
Described light fixture or described lamp base are fixed on described fixing clamp of light;
Open described motor, described motor pulls described pull bar by described motor rotating disk, and described pull bar drives described fixing clamp of light to move around, and described lamp base is ceaselessly adsorbed on described irony adsorption piece; And
After described lamp base multiple adsorb, judge whether the magnetic-adsorption ability of lamp base reduces.
[accompanying drawing explanation]
Fig. 1 is the stereographic map of the lamp base magnetic-adsorption test unit of embodiment of the present invention;
Fig. 2 is the partial enlarged drawing of the test unit of lamp base magnetic-adsorption shown in Fig. 1;
Fig. 3 is the process flow diagram of the lamp base magnetic-adsorption test method of embodiment of the present invention.
[embodiment]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.In accompanying drawing, provide preferred embodiment of the present invention.But the present invention can realize in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiment is to make to the understanding of disclosure of the present invention more thoroughly comprehensively.
It should be noted that, when element is called as " being fixed on " another element, it can be directly on another element or also can have an element placed in the middle.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology that use are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present invention with scientific terminology.The term using in instructions of the present invention herein, just in order to describe the object of specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1 and Fig. 2, the lamp base magnetic-adsorption test unit 100 of embodiment of the present invention, for testing the magnetic-adsorption performance of lamp base, lamp base (not shown) is provided with magnet.Lamp base magnetic-adsorption test unit 100 comprises irony adsorption piece 110, fixing clamp of light 120, motor 130 and pull bar 140.Irony adsorption piece 110 is adsorbed on stilt in actual use for simulating lamp base, and for example, railway signal lamp is adsorbed on rail.Fixing clamp of light 120 is for fixing light fixture or lamp base to be tested.Motor 130 pulls for driving pull bar 140 to do back and forth, and pull bar 140 drives fixing clamp of light 120 to move around, to simulate lamp base multiple adsorb on stilt.
Fixing clamp of light 120 and the 110 relative spacing settings of irony adsorption piece.Fixing clamp of light 120 can move around with respect to irony adsorption piece 110, and fixing clamp of light 120 is for fixing light fixture or lamp base.Specifically in the illustrated embodiment, fixing clamp of light 120 comprises fixed block 121 and contiguous block 123, and vertical connection of middle part of fixed block 121 and contiguous block 123, to form T-shaped structure.
Further, the free end of fixed block 121 is provided with notch 121a and is positioned at the fixed orifice 121b of the both sides up and down of notch 121a, notch 121a is for the local of accommodating lamp base or all, fixed orifice 121b is used for wearing locking member (not shown), and locking member clamps lamp base.
It should be noted that, in the present invention, fixing clamp of light 120 is not limited to said structure, also can other structures, need to carry out design lamps geometrical clamp 120 according to the concrete structure of light fixture to be tested or lamp base, only need this fixing clamp of light 120 can clamp light fixture to be tested or lamp base.
The free end of the driving shaft of motor 130 is provided with motor rotating disk 133, and motor rotating disk 133 is perpendicular to driving shaft setting, and driving shaft drive motor rotating disk 133 rotates take driving shaft as axle center.Specifically in the illustrated embodiment, the driving shaft of motor 130 arranges upward, and motor rotating disk 133 is disk.Certainly, in the present invention, the set-up mode of motor 130 can arrange according to actual needs, and motor rotating disk 133 can be also the structure of other shapes, and for example, motor rotating disk 133 is rectangular disk.
One end of pull bar 140 and motor rotating disk 133 are rotatably connected, the other end and fixing clamp of light 120 are rotatably connected, to form two bar linkage structures, pull bar 140 is not coaxial with respect to the axle center of drive shaft turns with respect to axle center and the motor rotating disk 133 of motor rotating disk 133.Wherein, motor 130 rotates by drive shaft motor rotating disk 133, and motor rotating disk 133 drives pull bar 140 to pull back and forth, and pull bar 140 drives fixing clamp of light 120 to move around, and lamp base is repeatedly adsorbed on irony adsorption piece 110.
Because pull bar 140 is not coaxial with respect to the axle center of drive shaft turns with respect to axle center and the motor rotating disk 133 of motor rotating disk 133, when motor 130 drive motor rotating disks 133 are rotated, motor rotating disk 133 drives pull bar 140 to swing, thereby pull bar 140 can be pulled back and forth.
Specifically in the illustrated embodiment, lamp base magnetic-adsorption test unit 100 also comprises the first rod shaft 150, the middle part of the contiguous block 123 of fixing clamp of light 120 is provided with through hole 123a, the first rod shaft 150 is fixed in through hole 123a, the end of pull bar 140 is provided with the first sleeve 141, the first sleeve 141 is sheathed on the first rod shaft 150 rotationally, and pull bar 140 and fixing clamp of light 120 are rotatably connected.
Further, lamp base magnetic-adsorption test unit 100 also comprises the second rod shaft 160, the second rod shaft 160 is vertically fixed on the surface that motor rotating disk 133 is relative with the driving shaft of motor 130, the end of pull bar 140 is provided with the second sleeve 143, the second sleeve 143 is sheathed on the second rod shaft 160, and pull bar 140 and motor rotating disk 133 are rotatably connected.
It should be noted that, in invention, pull bar 140 is not limited to adopt the first rod shaft 150 and the second rod shaft 160 to be rotatably connected with fixing clamp of light 120 and motor rotating disk 133, also can adopt other syndetons, for example, pull bar 140 is not limited to adopt independent turning joint and fixing clamp of light 120 and motor rotating disk 133 to be rotatably connected.
Further, for fixing clamp of light 120 can be moved around comparatively reposefully, lamp base magnetic-adsorption test unit 100 also comprises the guide rail 170 that two parallel interval arrange, and the two ends of contiguous block 123 respectively along two guide rails 170 slidably.Specifically in the illustrated embodiment, guide rail 170 is guide pole, and the two ends of the contiguous block 123 of fixing clamp of light 120 are respectively provided with a through hole 123b who passes for guide rail 170, make contiguous block 123 along two guide rails 170 slidably.
In other embodiments, the orienting lug that guide rail 170 is swallow-tail form, the two ends of contiguous block 123 are equipped with the chute of the swallow-tail form matching with guide rail 170, make contiguous block 123 along two guide rails 170 slidably.
Further, in order to fix two guide rails 170, in the illustrated embodiment, lamp base magnetic-adsorption test unit 100 also comprises four fixed legs 180, four fixed legs 180 are for fixed support guide rail 170, and wherein every two fixed legs 180 are fixedly connected with the two ends of a guide rail 170 respectively.Certainly, in the present invention, be not limited to adopt four fixed legs 180 to fix guide rail 170, also can adopt other modes to fix, for example, can adopt fixed support to support two guide rails 170.
It should be noted that, in the illustrated embodiment, fixing clamp of light 120, pull bar 140, motor rotating disk 133 are positioned on an axis substantially.Certainly, in the present invention, if adopt other drive mechanisms, fixing clamp of light 120, pull bar 140, motor rotating disk 133 also can not be positioned on an axis.
Above-mentioned lamp base magnetic-adsorption test unit 100 passes through the magnet adsorption of simulation light fixture lamp base on irony adsorption piece 110, then take off, be adsorbed on again on irony adsorption piece 110, so circulation, through repeatedly checking again whether lamp base magnetic adsorption function reduces after circulation, thereby can effectively evaluate the reliability of lamp base magnetic-adsorption.
Meanwhile, the present invention also provides a kind of lamp base magnetic-adsorption test method, this lamp base magnetic-adsorption test method, and it adopts above-mentioned lamp base magnetic-adsorption test unit 100.See also Fig. 3, lamp base magnetic-adsorption test method comprises the steps S201 ~ step S203.
Step S201, is fixed on light fixture or lamp base on fixing clamp of light 120.
Step S202, opens motor 130, and motor 130 pulls pull bar 140 by motor rotating disk 133, and pull bar 140 drives fixing clamp of light 120 to move around, and lamp base is ceaselessly adsorbed on irony adsorption piece 110.
Step S203, after lamp base multiple adsorb, judges whether the magnetic-adsorption ability of lamp base reduces.
Below take test railway signal as example illustrates above-mentioned lamp base magnetic-adsorption test method.
The magnet adsorption of above-mentioned lamp base magnetic-adsorption test method by simulation railway signal lamp base, on metal, then takes off, then is adsorbed on metal, so circulates and designs.First light fixture is fixed on fixing clamp of light 120(fixing clamp of light 120 and has a notch 121a, respectively have up and down three fixed orifice 121b at notch 121a) go up and to the logical AC220 voltage of motor 130, motor rotating disk 133 gyrated.Then, motor rotating disk 133 pulls pull bar 140 by the second rod shaft 160, pull bar 140 is by connecting the first rod shaft 150 of fixing clamp of light 120, fixing clamp of light 120 is ceaselessly pulled back and forth along bearing direction, thereby the base magnet that reaches railway light fixture signal lamp ceaselessly adsorbs on irony adsorption piece 110, thereby can effectively evaluate the reliability of railway signal lamp magnetic-adsorption.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a lamp base magnetic-adsorption test unit, for testing the magnetic-adsorption performance of described lamp base, described lamp base is provided with magnet, it is characterized in that, and described lamp base magnetic-adsorption test unit comprises:
Irony adsorption piece, for attracting mutually with described lamp base;
Fixing clamp of light, arranges with described irony adsorption piece relative spacing, and described fixing clamp of light can move around with respect to described irony adsorption piece, and described fixing clamp of light is for fixing described light fixture or described lamp base;
Motor, the free end of its driving shaft is provided with motor rotating disk, and described motor rotating disk is perpendicular to described driving shaft setting, and described driving shaft drives described motor rotating disk to rotate take described driving shaft as axle center; And
Pull bar, its one end and described motor rotating disk are rotatably connected, the other end and described fixing clamp of light are rotatably connected, and to form two bar linkage structures, described pull bar is not coaxial with respect to the axle center of described drive shaft turns with respect to axle center and the described motor rotating disk of described motor rotating disk;
Wherein, described motor is by motor dial rotation described in described drive shaft, described in described motor driven by rotary disc, pull bar pulls back and forth, and described pull bar drives described fixing clamp of light to move around, and described lamp base is repeatedly adsorbed on described irony adsorption piece.
2. lamp base magnetic-adsorption test unit as claimed in claim 1, is characterized in that, described fixing clamp of light comprises fixed block and contiguous block, and vertical connection of middle part of described fixed block and described contiguous block, to form T-shaped structure.
3. lamp base magnetic-adsorption test unit as claimed in claim 2, it is characterized in that, also comprise the first rod shaft, the middle part of described contiguous block is provided with through hole, described the first rod shaft is fixed in described through hole, the end of described pull bar is provided with the first sleeve, and described the first sleeve is sheathed on described the first rod shaft rotationally, and described pull bar and described fixing clamp of light are rotatably connected.
4. lamp base magnetic-adsorption test unit as claimed in claim 3, it is characterized in that, also comprise the second rod shaft, described the second rod shaft is vertically fixed on the surface that described motor rotating disk is relative with the driving shaft of described motor, the end of described pull bar is provided with the second sleeve, described the second jacket casing is located on described the second rod shaft, and described pull bar and described motor rotating disk are rotatably connected.
5. lamp base magnetic-adsorption test unit as claimed in claim 2, is characterized in that, also comprises the guide rail that two parallel interval arrange, and the two ends of described contiguous block respectively along described two guide rails slidably.
6. lamp base magnetic-adsorption test unit as claimed in claim 5, is characterized in that, described guide rail is guide pole, and the two ends of described contiguous block are respectively provided with the through hole that a described guide rail of confession passes, and makes described contiguous block along described two guide rails slidably.
7. lamp base magnetic-adsorption test unit as claimed in claim 5, it is characterized in that, described guide rail is the orienting lug of swallow-tail form, and the chute that is equipped with the swallow-tail form matching with described guide rail at the two ends of described contiguous block makes described contiguous block along described two guide rails slidably.
8. lamp base magnetic-adsorption test unit as claimed in claim 2, it is characterized in that, also comprise four fixed legs, described four fixed legs are for guide rail described in fixed support, and wherein every two described fixed legs are fixedly connected with the two ends of a described guide rail respectively.
9. lamp base magnetic-adsorption test unit as claimed in claim 2, it is characterized in that, the free end of described fixed block is provided with notch and is positioned at the fixed orifice of the both sides up and down of notch, described notch is for accommodating described lamp base, described fixed orifice is used for wearing locking member, and described locking member clamps described lamp base.
10. a lamp base magnetic-adsorption test method, the lamp base magnetic-adsorption test unit that it adopts as described in claim 1 ~ 9 any one, is characterized in that, described lamp base magnetic-adsorption test method comprises the steps:
Described light fixture or described lamp base are fixed on described fixing clamp of light;
Open described motor, described motor pulls described pull bar by described motor rotating disk, and described pull bar drives described fixing clamp of light to move around, and described lamp base is ceaselessly adsorbed on described irony adsorption piece; And
After described lamp base multiple adsorb, judge whether the magnetic-adsorption ability of lamp base reduces.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210492689.5A CN103837846B (en) | 2012-11-27 | 2012-11-27 | Lamp base magnetic-adsorption assay device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210492689.5A CN103837846B (en) | 2012-11-27 | 2012-11-27 | Lamp base magnetic-adsorption assay device and method |
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| Publication Number | Publication Date |
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| CN103837846A true CN103837846A (en) | 2014-06-04 |
| CN103837846B CN103837846B (en) | 2016-08-03 |
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| CN201210492689.5A Active CN103837846B (en) | 2012-11-27 | 2012-11-27 | Lamp base magnetic-adsorption assay device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108852195A (en) * | 2018-06-28 | 2018-11-23 | 廖志敏 | Robot sewage case belt cleaning device sweeps floor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2087920C1 (en) * | 1992-12-28 | 1997-08-20 | Уральский институт материаловедения и приборостроения | Magnetometer |
| CN2819235Y (en) * | 2005-03-09 | 2006-09-20 | 湖南科技大学 | On-line quality state monitoring system of electromagnetic component |
| CN101469847A (en) * | 2007-12-29 | 2009-07-01 | 深圳市海洋王投资发展有限公司 | Magnetic adhesion apparatus and searchlight including the same |
| KR100956664B1 (en) * | 2007-12-24 | 2010-05-10 | 한국기계연구원 | Absorption-Force Testing Apparatus For Micro Valve Of AirPressure |
| CN101865742A (en) * | 2009-11-27 | 2010-10-20 | 湘潭大学 | Device for testing push-pull force of electromagnet |
| CN201637546U (en) * | 2010-04-13 | 2010-11-17 | 无锡昌华机电制造有限公司 | Magnetic attraction type automatic feeding and discharging device |
| CN202453178U (en) * | 2012-02-20 | 2012-09-26 | 四川新川航空仪器有限责任公司 | Testing device of magnetic sealing module |
-
2012
- 2012-11-27 CN CN201210492689.5A patent/CN103837846B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2087920C1 (en) * | 1992-12-28 | 1997-08-20 | Уральский институт материаловедения и приборостроения | Magnetometer |
| CN2819235Y (en) * | 2005-03-09 | 2006-09-20 | 湖南科技大学 | On-line quality state monitoring system of electromagnetic component |
| KR100956664B1 (en) * | 2007-12-24 | 2010-05-10 | 한국기계연구원 | Absorption-Force Testing Apparatus For Micro Valve Of AirPressure |
| CN101469847A (en) * | 2007-12-29 | 2009-07-01 | 深圳市海洋王投资发展有限公司 | Magnetic adhesion apparatus and searchlight including the same |
| CN101865742A (en) * | 2009-11-27 | 2010-10-20 | 湘潭大学 | Device for testing push-pull force of electromagnet |
| CN201637546U (en) * | 2010-04-13 | 2010-11-17 | 无锡昌华机电制造有限公司 | Magnetic attraction type automatic feeding and discharging device |
| CN202453178U (en) * | 2012-02-20 | 2012-09-26 | 四川新川航空仪器有限责任公司 | Testing device of magnetic sealing module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108852195A (en) * | 2018-06-28 | 2018-11-23 | 廖志敏 | Robot sewage case belt cleaning device sweeps floor |
| CN108852195B (en) * | 2018-06-28 | 2021-04-30 | 廖志敏 | Robot sewage case belt cleaning device sweeps floor |
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| Publication number | Publication date |
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| CN103837846B (en) | 2016-08-03 |
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