CN107017671B - A kind of electric car self charger - Google Patents
A kind of electric car self charger Download PDFInfo
- Publication number
- CN107017671B CN107017671B CN201611020319.6A CN201611020319A CN107017671B CN 107017671 B CN107017671 B CN 107017671B CN 201611020319 A CN201611020319 A CN 201611020319A CN 107017671 B CN107017671 B CN 107017671B
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- China
- Prior art keywords
- charging
- scroll
- electric notor
- lock
- block
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/62933—Comprising exclusively pivoting lever
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of electric car self chargers, including footstock (12), charging head (2) and charging pile (1), the charging pile (1) is internally provided with charging part (11), the charging head (2) is connect by buckling (114) with slipping block (113), described footstock (12) the right and left is symmetrically arranged with supporting block (121), the first scroll bar (112) is equipped between two pieces of supporting blocks (121), the first scroll bar (112) is slidably connected with the slipping block (113), the first scroll bar (112) one end is equipped with the first electric notor (111), first electric notor (111) is set in the supporting block (121) and is fixedly connected with the supporting block (121)；The present invention is able to achieve self-charging of the charging pile to electric car, and work efficiency is high and safety and stability.
Description
Technical field
The present invention relates to electric car field, specifically a kind of electric car self charger.
Background technique
With popularizing for electric car, charging pile is more and more mounted and uses, and existing charging pile needs work
Make personnel's manual operation or car owner gets off after having stopped vehicle and is about in charging gun reeve charge port certainly, waste of manpower, efficiency
Lowly.Meanwhile manually repeatedly plug charging gun during since there are errors to exacerbate charging gun for manual alignment charge port
Abrasion.In addition to this, there are risks for manual operation, are easy to appear electric shock and other safety accidents.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of electric car self chargers, are able to solve above-mentioned existing
In the art the problem of.
The present invention is achieved through the following technical solutions: a kind of electric car self charger of the invention, including
Footstock, charging head and charging pile, the charging pile are internally provided with charging part, and the charging head is connected by buckle and slipping block
It connecing, described footstock the right and left is symmetrically arranged with supporting block, it is equipped with the first scroll bar between two pieces of supporting blocks, described first
Scroll bar is slidably connected with the slipping block, and described first scroll bar one end is equipped with the first electric notor, the described first electric horse
Up to being set in the supporting block and being fixedly connected with the supporting block, first electric notor and the first scroll bar rotate
It is connected, slid chamber is equipped in the charging head, is respectively equipped with inner slide and external slideway on slid chamber the right and left wall, it is described
Convergence piece and the second electric notor are equipped in slid chamber, the charging head backing in second electric notor and the slid chamber is solid
Fixed connection, is equipped with the second scroll bar and scroll cylinder set on the right side of second electric notor, the second scroll bar with it is described
The rotation of second electric notor is connected, and the second scroll bar is connect with scroll cylinder set scroll, the scroll cylinder set
It is fixedly connected with the convergence piece, the outer wall both sides on the left of the convergence piece are equipped with protrusion, and the protrusion mounting is in the interior cunning
It in road and is slidably connected, hole capital after selling all securities and ground way is equipped with inside the convergence piece, the hole capital after selling all securities mutually runs through with the ground way
Setting, the hole capital after selling all securities inner wall is symmetrical above and below to be equipped with guiding slid chamber, and is internally provided with pressing part and is slidably connected, the pressing part
Interior to be equipped with magnetite, the opposite convergence piece backing of the magnetite is equipped with radio loop winding, the end of the pressing part two-arm
It is equipped with gear set at tail, spring element and lock-connecting piece, the lock-connecting piece inside and the spring element are equipped in the ground way
It is fixedly connected, is equipped with fixed slid chamber in forward and backward two side wall of lock-connecting piece, is provided with guiding in the fixed slid chamber
Part, the guide member are made of guiding block and firmware, and the guiding block is slidably connected with the fixed slid chamber, the firmware
Be fixedly connected with the convergence piece backing, the lock-connecting piece gets close to the gear set side equipped with teeth portion, the teeth portion be used for
The gear set is fitting to connection, and slope is equipped on the outside of the lock-connecting piece, and the convergence piece is left second electric notor side and set
There is energization bar, charge port is equipped in the charging part opposite with the convergence piece, is equipped with and the energization in the charge port
The connected socket of bar, the charge port outside, which is equipped with, matches the guiding face being slidably connected with the slope, above and below the charge port
Two sidewalls are equipped with to the card slot with the mating connection of the lock-connecting piece, and it is aobvious that the supporting block front side is provided with e-advertising
Display screen, the e-advertising display screen right end face is interior to be equipped with card slot, the card slot and the support for being fixedly mounted on left side
The mating connection of the fixture block of block left end face, wherein bottom surface is respectively arranged with elastic telescopic pin on the fixture block.
Further, for the present invention is better achieved, the ground way is equipped with two groups, and is symmetrical arranged.
Further, for the present invention is better achieved, the inner slide width is greater than the width of the external slideway, and described
Inner slide, which is got close to, is equipped with rubber pad at the external slideway.
Further, for the present invention is better achieved, the spring element is pressure-bearing spring element.
The beneficial effects of the present invention are: passing through the second electric notor of setting in slid chamber and driving convergence piece to inside slid chamber
Sliding, the personnel that can be effectively prevented, which accidentally touch energization bar, leads to personnel's electric shock or the damage of energization bar；By manipulating the first electric notor
And then drive the first scroll bar rotation, it realizes that slipping block and charging head move left and right to complete automatic plug, realizes and fill certainly
Electricity improves working efficiency, saves manpower, while because automatic plug school level is true, can effectively reduce the abrasion of energization bar；Pass through behaviour
Control magnetite is connected with radio loop winding, drives gear set and the teeth portion to be fitting to connection, and manipulate gear set drive lock-connecting piece
It is mobile to the inside of ground way, it prevents unexpected pull from extracting energization bar, can not only ensure safety but also the steady of charging can be improved
It is qualitative；It is connected by slope with guiding face, reduces the abrasion of device inner components, extends charging pile service life.
Detailed description of the invention
The present invention is described in detail by following specific embodiments and drawings for ease of explanation,.
Fig. 1 is charging unit original state structural schematic diagram of the invention；
Fig. 2 is charging unit inserting state structural schematic diagram of the invention；
Fig. 3 is convergence piece structural schematic diagram of the invention；
Structural schematic diagram when Fig. 4 is lock-connecting piece retraction of the invention；
Fig. 5 is lock-connecting piece structural schematic diagram of the invention；
Fig. 6 is inner slide of the invention and external slideway structural schematic diagram；
Fig. 7 is e-advertising display screen structure schematic diagram of the invention.
Specific embodiment
As shown in Fig. 1-Fig. 7, a kind of electric car self charger of the invention, including footstock 12, charging head 2 and charging
Stake 1, the charging pile 1 are internally provided with charging part 11, and the charging head 2 is connect by buckle 114 with slipping block 113, described
12 the right and left of footstock is symmetrically arranged with supporting block 121, and the first scroll bar 112 is equipped between two pieces of supporting blocks 121, described
First scroll bar 112 is slidably connected with the slipping block 113, and described first scroll bar, 112 one end is equipped with the first electric notor
111, first electric notor 111 is set in the supporting block 121 and is fixedly connected with the supporting block 121, first electricity
Motor 111 is connected with the first scroll bar 112 rotation, and slid chamber 21 is equipped in the charging head 2, and the slid chamber 21 is left
It is respectively equipped with inner slide 211 and external slideway 212 in right two side walls, is equipped with convergence piece 3 and the second electric notor in the slid chamber 21
4, second electric notor 4 is fixedly connected with 2 backing of the charging head in the slid chamber 21, and second electric notor 4 is right
Side is equipped with the second scroll bar 41 and scroll cylinder set 42, and the second scroll bar 41 rotates phase with second electric notor 4
Even, the second scroll bar 41 covers 42 scrolls with the scroll cylinder and connect, and the scroll cylinder set 42 is connected with described
Part 3 is fixedly connected, and the outer wall both sides in 3 left side of convergence piece are equipped with protrusion 32, and the mounting of protrusion 32 is in the inner slide 211
It is interior and be slidably connected, hole capital after selling all securities 31 and ground way 6, the hole capital after selling all securities 31 and 6 phase of ground way are equipped with inside the convergence piece 3
Through setting, 31 inner wall of hole capital after selling all securities is symmetrical above and below to be equipped with guiding slid chamber 33, and is internally provided with pressing part 34 and is slidably connected,
Magnetite 341 is equipped in the pressing part 34, opposite 3 backing of the convergence piece of the magnetite 341 is equipped with radio loop winding
35, it is equipped with gear set 342 at the end of 34 two-arm of pressing part, is equipped with spring element 62 and interlocking in the ground way 6
Part 61,61 inside of lock-connecting piece are fixedly connected with the spring element 62, are equipped in forward and backward two side wall of the lock-connecting piece 61
Slid chamber 611 is fixed, guide member 36 is provided in the fixed slid chamber 611, the guide member 36 is by guiding block 361 and admittedly
Part 362 forms, and the guiding block 361 is slidably connected with the fixed slid chamber 611, the firmware 362 and the convergence piece 3
Backing is fixedly connected, and the lock-connecting piece 61 gets close to 342 side of gear set equipped with teeth portion 613, the teeth portion 613 be used for
The gear set 342 is fitting to connection, and slope 612 is equipped on the outside of the lock-connecting piece 61, and the convergence piece 3 leaves second electricity
4 side of motor is equipped with energization bar 37, is equipped with charge port 5, the charging in the charging part 11 opposite with the convergence piece 3
It is equipped with the socket 53 being connected with the energization bar 37 in mouth 5, is equipped on the outside of the charge port 5 and matches sliding with the slope 612
The guiding face 52 of connection, about 5 two sidewalls of charge port are equipped with to the card with the mating connection of the lock-connecting piece 61
Slot 51 is provided with e-advertising display screen 7 on front side of the supporting block 121, sets in 7 right end face of e-advertising display screen
There are card slot 71, the mating company of fixture block 72 of the card slot 71 and 121 left end face of the supporting block for being fixedly mounted on left side
It connects, wherein bottom surface is respectively arranged with elastic telescopic pin 721 on the fixture block 72.
Wherein, the ground way 6 is equipped with two groups, and is symmetrical arranged, and 211 width of inner slide is greater than the external slideway
212 width, and the inner slide 211 gets close to and is equipped with rubber pad 213 at the external slideway 212, the spring element 62 is pressure-bearing
Spring element.
When starting to charge, charging head is connect by buckle 114 with slipping block 113 first, the second electric notor 4 driving second
Scroll bar 41 rotates, while driving scroll cylinder set 42 and convergence piece 3 mobile to the outside of slid chamber 21, when protrusion 32 reaches
The second electric notor 4 is manipulated when rubber pad 213 to stop rotating, at this point, slid chamber 21 is stretched out in 3 side of convergence piece, then passes through first
Electric notor 111 drives the rotation of the first scroll bar 112, while driving slipping block 113 and charging head 2 mobile, when mobile, works as slope
612 when reaching guiding face 52, due to by the driving of the first electric notor 111, at this point, lock-connecting piece 61 is to inside contracting, when the interlocking
When part 61 is slided at card slot 51, lock-connecting piece 61 is headed into card slot 51 using the elastic force of spring element 62, completion plugs together and consolidates
It is fixed.
When charging complete, it is connected by manipulation magnetite 341 with radio loop winding 35, at this point, gear set 342 and the tooth
Portion 613 is fitting to connection, and is then driven lock-connecting piece 61 mobile to the inside of ground way 6 by manipulation gear set 342, is then passed through
Manipulating the first electric notor 111 drives slipping block 113 and charging head 2 mobile to the outside of charge port 5, finally by the second electric notor
4 drive scroll cylinder set 42 and convergence piece 3 mobile to the inside of slid chamber 21.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention
Protection scope should be determined by the scope of protection defined in the claims.
Claims (4)
1. a kind of electric car self charger, it is characterised in that: including footstock (12), charging head (2) and charging pile (1), institute
Charging pile (1) to be stated to be internally provided with charging part (11), the charging head (2) is connect by buckling (114) with slipping block (113),
Described footstock (12) the right and left is symmetrically arranged with supporting block (121), and the first scroll is equipped between two pieces of supporting blocks (121)
Bar (112), the first scroll bar (112) are slidably connected with the slipping block (113), the first scroll bar (112)
One end be equipped with the first electric notor (111), first electric notor (111) be set to the supporting block (121) in and with the support
Block (121) is fixedly connected, and first electric notor (111) is connected with the first scroll bar (112) rotation, the charging head
(2) slid chamber (21) are equipped in, are respectively equipped with inner slide (211) and external slideway on slid chamber (21) the right and left wall
(212), convergence piece (3) and the second electric notor (4), second electric notor (4) and the cunning are equipped in the slid chamber (21)
The charging head (2) backing moved in chamber (21) is fixedly connected, and the second scroll bar is equipped on the right side of second electric notor (4)
(41) it is connected with scroll cylinder set (42), the second scroll bar (41) with second electric notor (4) rotation, described second
Scroll bar (41) is connect with scroll cylinder set (42) scroll, the scroll cylinder set (42) and the convergence piece (3)
It is fixedly connected, the outer wall both sides on the left of the convergence piece (3) are equipped with protrusion (32), and protrusion (32) mounting is in the inner slide
(211) it in and is slidably connected, hole capital after selling all securities (31) and ground way (6), the hole capital after selling all securities (31) and institute is equipped with inside the convergence piece (3)
Ground way (6) is stated mutually through setting, and hole capital after selling all securities (31) inner wall is symmetrical above and below to be equipped with guiding slid chamber (33), and internal setting
There is pressing part (34) to be slidably connected, is equipped with magnetite (341) in the pressing part (34), the opposite rank of the magnetite (341)
Fitting (3) backing is equipped with radio loop winding (35), is equipped with gear set at the end of pressing part (34) two-arm
(342), spring element (62) and lock-connecting piece (61), lock-connecting piece (61) inside and the bullet are equipped in the ground way (6)
Power part (62) is fixedly connected, and is equipped with fixed slid chamber (611) in forward and backward two side wall of lock-connecting piece (61), described fixed sliding
It moves in chamber (611) and is provided with guide member (36), the guide member (36) is made of guiding block (361) and firmware (362), described
Guiding block (361) is slidably connected with the fixed slid chamber (611), and the firmware (362) and the convergence piece (3) backing are solid
Fixed connection, the lock-connecting piece (61) get close to the gear set (342) side equipped with teeth portion (613), and the teeth portion (613) is used for
It is fitting to connection with the gear set (342), is equipped with slope (612) on the outside of the lock-connecting piece (61), the convergence piece (3) is left
Second electric notor (4) side is equipped with energization bar (37), sets in the charging part (11) opposite with the convergence piece (3)
Have charge port (5), the socket (53) being connected with the energization bar (37), the charge port (5) are equipped in the charge port (5)
Outside is equipped with and matches the guiding face (52) being slidably connected with the slope (612), and the charge port (5) sets on two sidewalls up and down
Have to the card slot (61) with the lock-connecting piece (61) mating connection, it is wide that supporting block (121) front side is provided with electronics
It accuses display screen (7), is equipped with card slot (71) in e-advertising display screen (7) right end face, the card slot (71) is pacified with fixed
Mounted in fixture block (72) mating connection of the supporting block (71) left end face in left side, wherein the fixture block (72) is up and down
Bottom surface is respectively arranged with elastic telescopic pin (721).
2. a kind of electric car self charger according to claim 1, it is characterised in that: the ground way (6) sets
There are two groups, and is symmetrical arranged.
3. a kind of electric car self charger according to claim 1, it is characterised in that: the inner slide (211) is wide
Degree is greater than the width of the external slideway (212), and the inner slide (211) gets close to and is equipped with rubber pad at the external slideway (212)
(213).
4. a kind of electric car self charger according to claim 1, it is characterised in that: the spring element (62) is to hold
Press spring element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611020319.6A CN107017671B (en) | 2016-11-21 | 2016-11-21 | A kind of electric car self charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611020319.6A CN107017671B (en) | 2016-11-21 | 2016-11-21 | A kind of electric car self charger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107017671A CN107017671A (en) | 2017-08-04 |
| CN107017671B true CN107017671B (en) | 2019-09-17 |
Family
ID=59438913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611020319.6A Active CN107017671B (en) | 2016-11-21 | 2016-11-21 | A kind of electric car self charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107017671B (en) |
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| CN107425576B (en) * | 2017-09-06 | 2023-12-26 | 歌尔股份有限公司 | Charging device |
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| CN108232575A (en) * | 2017-09-14 | 2018-06-29 | 韦锦强 | A kind of modified deduster equipment |
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| CN104916968A (en) * | 2015-07-03 | 2015-09-16 | 李琴琴 | Safety socket with guiding function |
| CN105006693A (en) * | 2015-08-31 | 2015-10-28 | 尚庆光 | Power supply equipment with tunnel guiding holes and sound proof box and used for soft line |
| CN105140721A (en) * | 2015-09-11 | 2015-12-09 | 储娟英 | Power line connecting and locking device, controlled by sensor, of building machinery |
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2016
- 2016-11-21 CN CN201611020319.6A patent/CN107017671B/en active Active
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