CN106602508A - Leakage protector - Google Patents
Leakage protector Download PDFInfo
- Publication number
- CN106602508A CN106602508A CN201510679356.7A CN201510679356A CN106602508A CN 106602508 A CN106602508 A CN 106602508A CN 201510679356 A CN201510679356 A CN 201510679356A CN 106602508 A CN106602508 A CN 106602508A
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- Prior art keywords
- earth leakage
- leakage protective
- input
- protective device
- switch
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- Emergency Protection Circuit Devices (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention provides a leakage protector connected between a power supply input terminal and a load output terminal. The leakage protector comprises an insulating housing, a switch assembly, and a control assembly. The insulating housing includes an upper cover and a pedestal and has a detachable input terminal and a detachable output terminal, wherein the input terminal and the output terminal are connected with wires. The switch assembly arranged inside the insulating housing consists of a first switch communicated with a phase-line access, a second switch communicated with a zero-line access, and a third switch communicated with a ground access. The control assembly arranged inside the insulating housing consists of a reset assembly, a test assembly, and a machine core assembly; the machine core assembly includes a circuit board, a magnetic ring assembly and a trip assembly arranged at the circuit board. According to the leakage protector, an input connecting wire or output connecting wire can be connected or a plug/socket can be fixed according to needs of users. Moreover, the leakage protector has advantages of high security and reliability, great convenience in usage, low cost, and wide application range.
Description
Technical field
The present invention relates to a kind of earth leakage protective device, more particularly to it is a kind of with water-proof function, input
Or output can disconnect electric wire, and the earth leakage protective device that dual work is indicated.
Background technology
As the use of electrical equipment is gradually popularized, the safety that uses of electrical equipment is increasingly obtained
The attention of people, the use of earth leakage protective device is also more and more extensive.At present electrical equipment is used
Earth leakage protective device great majority are all locking-type plugs, such as structure disclosed in ZL201020158002.0.
This locking-type plug can not take out stitches, and water resistance is poor, and field of employment and environment have limitation
Property.In addition, being all electronically after existing earth leakage protective device power on showing product
Working condition, for example usually power on when circuit in LED it is bright, power supply disconnect when
LED in circuit is gone out.In some cases, if LED circuit is damaged or failed, and leak
Non-electricity protector is continuing with also in on-state because user is ignorant, is likely to result in tactile
Electrification.
The content of the invention
It is an object of the invention to provide a kind of earth leakage protective device, it can effectively solve the problem that above-mentioned existing
Defect in technology, and it is easy to use, with low cost.
For this purpose, design of the invention, there is provided a kind of earth leakage protective device, it is connected to power supply
Between input and load outputs, the earth leakage protective device includes：Insulation shell, it includes
Upper lid and bottom seat simultaneously has the dismountable input and output end for connecting electric wire；Switch module,
It is arranged in the insulation shell and including first switch, the connection zero line for connecting phase line path
The second switch of path and the 3rd switch of connection ground paths；Control assembly, it is arranged at
In the insulation shell and including reset assembly, test assembly and cartridge assemblies, the movement
Component includes circuit board and arranges magnetic ring component on circuit boards and trip assembley therefor.
According to some embodiments, it is respectively provided with the input and output end of the insulation shell
Threaded end mouth, the threaded port is socketed electric wire hold-doun nut.
According to some embodiments, set between the threaded port and the electric wire hold-doun nut
Live wire retaining element.
According to some embodiments, one end of the electric wire retaining element is provided in round section,
The other end is set to section and is gradually reduced and with toothed peripheral face.
According to some embodiments, the earth leakage protective device also includes being arranged at the threaded port
And the water proof ring between the electric wire retaining element.
According to some embodiments, the earth leakage protective device also includes being arranged at the reset group
Tarpaulin between the upper lid of part, the test assembly and the insulation shell.
According to some embodiments, the earth leakage protective device also includes being arranged at the insulation shell
Upper lid and bottom seat between water-proof strip.
According to some embodiments, the earth leakage protective device also includes being arranged at the cartridge assemblies
On energization electronics indicate component.
According to some embodiments, the earth leakage protective device also includes the machinery instruction component that is powered,
The action of its collaboration switch module indicates "on" position.
According to some embodiments, the energization machinery indicates that component is described including being pivotally connected to
Mechanical indicating arm on a wherein arm of the electrical apparatus release of trip assembley therefor, the mechanical indicating arm has
In inclined-plane and the draw-in groove that is placed on the circuit board, by with the electrical apparatus release co-operating
It is moved to the diverse location in the draw-in groove to indicate "on" position.
Preferably, it is marked with mark color on the mechanical indicating arm.
According to some embodiments, the insulation shell is filled in the input including input wires
Put, in the output end output connection device is included, the quiet inserted sheet of input of the switch module connects
The input wires device is connected to, the dynamic inserted sheet of output of the switch module is connected to the output
Termination.
According to some embodiments, the 3rd switch is machined with input terminal and defeated for two ends
Go out the connecting line of terminals, be connected to the input wires device and output connection dress
Put.
Can be seen that compared to existing earth leakage protective device by the above-mentioned general introduction to the present invention,
Earth leakage protective device of the invention has the advantages that waterproof, sensitive wiring, dual instruction, makes
With safer, convenient, reliability.
Description of the drawings
The more features and advantage of the present invention is by by below in conjunction with the accompanying drawings to specific embodiment
Further describe to more fully understand.Identical reference identifies identical or phase in accompanying drawing
As part, wherein：
Fig. 1 is the overall schematic of the earth leakage protective device according to the preferred embodiment for the present invention；
Fig. 2 is the signal that earth leakage protective device shown in Fig. 1 connects live wire in input and output end
Figure；
Fig. 3 is the decomposing schematic representation of earth leakage protective device shown in Fig. 1；
Fig. 4 is the decomposed schematic diagram of earth leakage protective device shown in Fig. 1；
Fig. 5 A to Fig. 5 D are respectively switch module with input terminal and the line of outlet terminal
Schematic diagram, wherein, Fig. 5 A are the line signal that phase line is input into quiet inserted sheet and phase line input terminal
Figure, Fig. 5 B are input into the line schematic diagram of quiet inserted sheet and zero line input terminal, Fig. 5 C for zero line
For the dynamic inserted sheet of ground wire output and the line schematic diagram of ground wire outlet terminal, Fig. 5 D are to replace to implement
The two ends of connection ground paths are machined with input terminal and the line of outlet terminal shows in mode
It is intended to；
Fig. 6 is the decomposing schematic representation of the cartridge assemblies of earth leakage protective device shown in Fig. 1；
Fig. 7 is the position view of energization mechanical indicating arm when earth leakage protective device shown in Fig. 1 disconnects；
Fig. 8 is the position view of energization mechanical indicating arm when earth leakage protective device shown in Fig. 1 resets；
Fig. 9 is the circuit theory diagrams of the earth leakage protective device according to the present invention.
Specific embodiment
The enforcement of earth leakage protective device of the invention is detailed below and uses.Here,
The structural design drawing of example is used merely to facilitate the understanding present invention, rather than the architectural feature to the present invention
Make concrete restriction.Additionally, in following specific descriptions, the term of directionality, for example go up,
Under, the direction described in the refer to the attached drawing such as top use, the term of these directionality is only used for
Example and it is unrestricted.Therefore, the structural design drawing of example and the following description present invention are combined
Embodiment is not intended as limit all embodiments of the invention.
With reference to shown in Fig. 1 to Fig. 3, in the embodiment as shown, leakage of the invention
Non-electricity protector includes the insulation shell being made up of upper lid 1 and base 2, and switch is provided with it
Component and control assembly.There is connection input electric wire 10a and output at the two ends of insulation shell
Dismountable input of electric wire 10b and output end, so as to according to actual needs leak this
Non-electricity protector be connected to input connecting line or output connecting line, or be connected to locking-type plug/insert
Seat, to realize creepage protection function.The input of insulation shell is provided with input threaded port 21a,
Correspondingly, output end is provided with output threaded port 21b, input threaded port 21a and output spiral shell
Line port 21b is socketed respectively input electric wire hold-doun nut 23a and output electric wire hold-doun nut 23b.
The SR 301 of the reset assembly in control assembly and the test button 302 of test assembly are prominent
For upper lid 1.Additionally, being additionally provided with the display window 5 that energization electronics indicates component on upper lid 1
With the display window 8 that the machinery that is powered indicates component, it is easy to user to understand electric leakage intuitive and reliablely disconnected
The energization working condition of road device.
As shown in figure 3, input threaded port 21a of input and input electric wire hold-doun nut 23a
Between can be provided with input electric wire retaining element 22a.In this embodiment, it is input into electric wire and fixes unit
Part 22a is arranged to one end and has circular cross-section, and another end section is gradually reduced and with profile of tooth
Outer peripheral face.By being arranged such, it can be ensured that input electric wire hold-doun nut 23a and input screw thread
While port 21a is tightened, the position of input electric wire 10a can be more fixed.Output end has
Similar structure member, threaded port 21b is exported with output electric wire hold-doun nut including being arranged in
Output electric wire retaining element 22b between 23b.
Earth leakage protective device of the invention preferably has water resistance.Fig. 3 shows several
Exemplary waterproof type.First, the SR 301 of reset assembly and the examination of test assembly
Testing between the top of button 302 and upper lid 1 can be provided with tarpaulin 6；Secondly, at upper lid 1 and bottom
Water-proof strip 9 can be provided between seat 2；Finally, can also input electric wire retaining element 22a with it is defeated
Enter between threaded port 21a and output electric wire retaining element 22b and output threaded port 21b
Between input water proof ring 24a and output water proof ring 24b is provided, it is to be understood that input is anti-
Water stores up the profile and input electric wire retaining element 22a and output electricity of 24a and output water proof ring 24b
The profile of line retaining element 22b is similar to, and does not simply have toothed peripheral face.Alternatively, on
State tarpaulin 6, water-proof strip 9 and input water proof ring 24a, output water proof ring 24b can by rubber or
Other similar materials are made.Upper lid 1 and base 2 are fixed by rigging screw 7, and
And electric wire 10a and output electric wire 10b are input into by input electric wire hold-doun nut 23a and output electricity
Line hold-doun nut 23b is installed after fixing, and the earth leakage protective device of the present invention has good waterproof
Performance, can be safe and applicable in wet environment.
Fig. 4 shows the decomposing schematic representation of the earth leakage protective device including control assembly.Control group
Part is installed on base 2 by inner cap 303 by inner cap screw 304.Answering in control assembly
Hyte part and test assembly are known to those skilled in the art, will not be described here.Control
Cartridge assemblies in component include circuit board 321 and the magnet ring group being arranged on circuit board 321
Part 322 (referring to Fig. 6) and trip assembley therefor, the operation principle of cartridge assemblies has also been this area
Known to technical staff, here is not equally repeated.
According to the present invention, the switch module of earth leakage protective device includes the first of connection phase line path
3rd switch of switch, the second switch of connection zero line path and connection ground paths.Ginseng
See Fig. 4 to Fig. 6, first switch includes that phase line is input into quiet inserted sheet 308 and the dynamic inserted sheet of phase line output
341, second switch includes that zero line is input into quiet inserted sheet 307 and the dynamic inserted sheet 340 of zero line output, the
Three switches include that ground wire is input into quiet inserted sheet 316 and the dynamic inserted sheet 315 of ground wire output.Insulation shell exists
Input includes input wires device, and in output end output connection device is included, for user company
Connect wires.Wherein, phase line is input into quiet one end of inserted sheet 308 and is connected to phase line by connecting line 306
The terminals 212a of input wires device 212, as shown in Figure 5A, is arranged on terminals 212a
Have screw to match with phase line input wires device 212, and can be embedded on base 2 arrange it is right
In answering bayonet socket 212b, the dynamic inserted sheet 341 of phase line output is arranged on circuit board 321, and is for example led to
The terminals 222a that wiring bayonet socket is similarly attached to phase line output connection device 222 is crossed,
Terminals 222a can be embedded in the corresponding bayonet socket 222b arranged on base 2；Zero line input is quiet to insert
The one end of piece 307 passes through the terminals 210a phases of connecting line 306 and zero line input wires device 210
Connection, as shown in Figure 5 B, is provided with screw and zero line input wires device on terminals 210a
210 match, and can be embedded on base 2 in corresponding bayonet socket 210b, and zero line output moves inserted sheet
340 are arranged on circuit board 321, and are connected to the terminals of zero line output termination 220
220a, terminals 220a can be embedded in the corresponding bayonet socket 220b arranged on base 2；Ground wire is defeated
Inserted sheet in meditation 316 is arranged on circuit board 321, the wiring with ground wire input wires device 211
End 211a is connected, and screw and ground wire input wires device 211 are provided with terminals 211a
Match, and can be embedded on base 2 in corresponding bayonet socket 211b, the dynamic inserted sheet 315 of ground wire output
Wiring bayonet socket is provided with, by connecting line 306 and the terminals of ground wire output connection device 221
221a is connected, and as shown in Figure 5 C, screw is provided with terminals 221a and is connect with ground wire output
Line apparatus 221 match, and can be embedded on base 2 in corresponding bayonet socket 221b.Replaceable
Embodiment in, the 3rd switch can be machined with input terminal and outlet terminal for two ends
Connecting line, as shown in Figure 5 D, for example, is directly connected to ground wire and is input into using connecting line 306
The terminals 211a of the termination 211 and terminals 221a of ground wire output connection device 221.
The enforcement of dual instruction function of the invention is described below.Similarly to the prior art,
Earth leakage protective device of the invention includes the energization electronics instruction group being arranged in cartridge assemblies
Part.Referring to Fig. 3 and combine Fig. 9, energization electronics indicates that component includes the LED 51 on circuit board
With the electronics light guide 52 that the state of LED 51 is transmitted to the surface of upper lid 1.During power on
The lamps of LED 51 in circuit are bright, and the lamps of LED 51 when power supply disconnects in circuit go out.
Preferably, present invention additionally comprises the machinery that is powered indicates component, it cooperates with the dynamic of switch module
Make instruction "on" position.Indicate that component includes machinery referring to the machinery that shown in Fig. 3 and Fig. 6, is powered
Indicating arm 81 and the machinery for the state of mechanical indicating arm 81 to be transmitted to the surface of upper lid 1
Light guide 82, due to the construction of cartridge assemblies in the illustrated embodiment, can also be in circuit board 321
It is upper to arrange draw-in groove 83 to show the state of mechanical indicating arm 81.Advantageously, mechanical indicating arm 81
On the wherein arm for being configured to be connected to the electrical apparatus release of trip assembley therefor, example as shown in Figure 6
In property embodiment, two-arm is provided with electrical apparatus release 330, it is mechanical when resetting for product
Connect the contact of dynamic and static inserted sheet.The first fulcrum is provided with a wherein arm of electrical apparatus release 330
The fulcrum shaft 332 of axle 331 and second, is respectively used to receive corresponding first on mechanical indicating arm 81
The fulcrum 812 of fulcrum 811 and second.Preferably, mechanical indicating arm 81 is set to inclined-plane,
And mark the color that bears obvious signs, such as it is red.When earth leakage protective device is in open position,
Mechanical indicating arm 81 falls with electrical apparatus release 330 and slides into the position A shown in Fig. 7, upper lid 1
Surface cannot see redness.When earth leakage protective device be in reset position when, mechanical indicating arm 81 with
The lifting of electrical apparatus release 330 simultaneously slides into the position B shown in Fig. 8, and the surface of upper lid 1 can be seen red
Color, represents power on.Component is indicated by arranging the machinery that is powered, is prevented from the electricity that is powered
Son indicates caused use electrification during component faults, and security performance is substantially improved.
Foregoing has outlined improved structure, operation principle and the reality of earth leakage protective device of the invention
Apply, the earth leakage protective device for being proposed can be according to the demand of user connection input connecting line or output
Connecting line or locking-type plug/socket, with good water resistance, can be used in moist ring
In border, and function is indicated with electronics, mechanical dual work.The earth leakage protective device is safe and reliable,
It is easy to use, with low cost, be widely used.
The technology contents and technical characterstic of the present invention have revealed that as above.It should be appreciated that accompanying drawing
There are many modification sides in principle only of the invention that is shown and being been described by, above-mentioned embodiment
Formula, these modes are apparent for various equivalent modifications.For example, illustrate in figure
Each part planform it is merely illustrative, not as a limitation of the invention, every foundation
The present invention technical spirit above example is made any simple modification, equivalent variations with repair
Decorations, each fall within the protection domain of technical solution of the present invention.
Claims (13)
1. a kind of earth leakage protective device, it is connected between power input and load outputs, its
It is characterised by, the earth leakage protective device includes：
Insulation shell, its dismountable input for including lid and bottom seat and there is connection electric wire
End and output end；
Switch module, it is arranged in the insulation shell and including connecting the of phase line path
3rd switch of one switch, the second switch of connection zero line path and connection ground paths；
Control assembly, it is arranged in the insulation shell and including reset assembly, test group
Part and cartridge assemblies, the cartridge assemblies include circuit board and setting magnet ring on circuit boards
Component and trip assembley therefor.
2. earth leakage protective device according to claim 1, it is characterised in that it is described absolutely
The input and output end of edge housing is respectively arranged with threaded port, the threaded port sleeved electric
Line hold-doun nut.
3. earth leakage protective device according to claim 2, it is characterised in that in the spiral shell
Electric wire retaining element is provided between line port and the electric wire hold-doun nut.
4. earth leakage protective device according to claim 3, it is characterised in that the electric wire
One end of retaining element is provided in round section, and the other end is set to section and is gradually reduced and has
Toothed peripheral face.
5. earth leakage protective device according to claim 1, it is characterised in that the electric leakage
Protector also includes being arranged at the reset assembly, the test assembly and the insulation shell
Upper lid between tarpaulin.
6. earth leakage protective device according to claim 1, it is characterised in that the electric leakage
Protector also includes the water-proof strip being arranged between the upper lid and bottom seat of the insulation shell.
7. earth leakage protective device according to claim 3, it is characterised in that the electric leakage
Protector also includes the waterproof being arranged between the threaded port and the electric wire retaining element
Circle.
8. earth leakage protective device according to claim 1, it is characterised in that the electric leakage
Protector also includes that the energization electronics being arranged in the cartridge assemblies indicates component.
9. earth leakage protective device according to claim 8, it is characterised in that the electric leakage
Protector also includes the machinery instruction component that is powered, and it is logical that it cooperates with the action of the switch module to indicate
Electricity condition.
10. earth leakage protective device according to claim 9, it is characterised in that the energization
Machinery indicates that component includes being pivotally connected on a wherein arm of the electrical apparatus release of the trip assembley therefor
Mechanical indicating arm, the mechanical indicating arm has inclined-plane and the card being placed on the circuit board
In groove, by being moved to the diverse location in the draw-in groove to refer to the electrical apparatus release co-operating
Show "on" position.
11. earth leakage protective devices according to claim 10, it is characterised in that the machine
Mark color is marked with tool indicating arm.
12. earth leakage protective devices according to claim 1, it is characterised in that the insulation
Housing includes input wires device in the input, fills including output connection in the output end
Put, the quiet inserted sheet of input of the switch module is connected to the input wires device, the switch
The dynamic inserted sheet of the output of component is connected to the output connection device.
13. earth leakage protective devices according to claim 12, it is characterised in that described
Three switches are machined with the connecting line of input terminal and outlet terminal for two ends, are connected to
The input wires device and the output connection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510679356.7A CN106602508B (en) | 2015-10-19 | 2015-10-19 | Leakage protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510679356.7A CN106602508B (en) | 2015-10-19 | 2015-10-19 | Leakage protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106602508A true CN106602508A (en) | 2017-04-26 |
| CN106602508B CN106602508B (en) | 2020-07-03 |
Family
ID=58554699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510679356.7A Active CN106602508B (en) | 2015-10-19 | 2015-10-19 | Leakage protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106602508B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110896016A (en) * | 2019-12-03 | 2020-03-20 | 中山市开普电器有限公司 | Electromagnetic leakage protector |
| CN110931315A (en) * | 2019-12-03 | 2020-03-27 | 中山市开普电器有限公司 | Movable shell structure for electromagnetic leakage protector |
| CN111048360A (en) * | 2019-12-03 | 2020-04-21 | 中山市开普电器有限公司 | Waterproof and shock-resistant leakage protector shell structure |
| CN113740496A (en) * | 2021-09-24 | 2021-12-03 | 北京帮安迪信息科技股份有限公司 | Four-in-one gas detection terminal electric circuit protection device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201766037U (en) * | 2010-09-09 | 2011-03-16 | 无锡市凯旋电机有限公司 | State identification device of breaker driving mechanism |
| CN202282519U (en) * | 2011-11-12 | 2012-06-20 | 佛山市新基德电子厂有限公司 | Waterproof sealing device used for leakage protection plug |
| CN202957395U (en) * | 2012-04-10 | 2013-05-29 | 陈杰荣 | Industrial plug socket and coupler sealing device |
| CN203243021U (en) * | 2013-03-06 | 2013-10-16 | 苏州益而益电器制造有限公司 | An electric connecting wire protection apparatus |
| US20140321006A1 (en) * | 2013-04-28 | 2014-10-30 | Wenzhou Van-Sheen Electric Appliance Co. Ltd. | Leakage protection socket with reverse connection protection |
| CN204131072U (en) * | 2014-10-22 | 2015-01-28 | 长虹塑料集团英派瑞塑料股份有限公司 | A kind of cable fixing head |
| CN204462299U (en) * | 2015-02-09 | 2015-07-08 | 苏州益而益电器制造有限公司 | With electric detection means and consumer |
| CN205081454U (en) * | 2015-10-19 | 2016-03-09 | 苏州益而益电器制造有限公司 | Leakage protector |
-
2015
- 2015-10-19 CN CN201510679356.7A patent/CN106602508B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201766037U (en) * | 2010-09-09 | 2011-03-16 | 无锡市凯旋电机有限公司 | State identification device of breaker driving mechanism |
| CN202282519U (en) * | 2011-11-12 | 2012-06-20 | 佛山市新基德电子厂有限公司 | Waterproof sealing device used for leakage protection plug |
| CN202957395U (en) * | 2012-04-10 | 2013-05-29 | 陈杰荣 | Industrial plug socket and coupler sealing device |
| CN203243021U (en) * | 2013-03-06 | 2013-10-16 | 苏州益而益电器制造有限公司 | An electric connecting wire protection apparatus |
| US20140321006A1 (en) * | 2013-04-28 | 2014-10-30 | Wenzhou Van-Sheen Electric Appliance Co. Ltd. | Leakage protection socket with reverse connection protection |
| CN204131072U (en) * | 2014-10-22 | 2015-01-28 | 长虹塑料集团英派瑞塑料股份有限公司 | A kind of cable fixing head |
| CN204462299U (en) * | 2015-02-09 | 2015-07-08 | 苏州益而益电器制造有限公司 | With electric detection means and consumer |
| CN205081454U (en) * | 2015-10-19 | 2016-03-09 | 苏州益而益电器制造有限公司 | Leakage protector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110896016A (en) * | 2019-12-03 | 2020-03-20 | 中山市开普电器有限公司 | Electromagnetic leakage protector |
| CN110931315A (en) * | 2019-12-03 | 2020-03-27 | 中山市开普电器有限公司 | Movable shell structure for electromagnetic leakage protector |
| CN111048360A (en) * | 2019-12-03 | 2020-04-21 | 中山市开普电器有限公司 | Waterproof and shock-resistant leakage protector shell structure |
| CN113740496A (en) * | 2021-09-24 | 2021-12-03 | 北京帮安迪信息科技股份有限公司 | Four-in-one gas detection terminal electric circuit protection device |
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| Publication number | Publication date |
|---|---|
| CN106602508B (en) | 2020-07-03 |
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