CN204012859U - Multifunctional charger - Google Patents
Multifunctional charger Download PDFInfo
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- CN204012859U CN204012859U CN201420461464.8U CN201420461464U CN204012859U CN 204012859 U CN204012859 U CN 204012859U CN 201420461464 U CN201420461464 U CN 201420461464U CN 204012859 U CN204012859 U CN 204012859U
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Abstract
The utility model relates to charging device technical field, relate in particular to a kind of multifunctional charger, comprise charger body (1), the external charge plug (3) that is arranged on the wiring board (2) in charger body and is electrically connected to wiring board (2), described external charge plug (3) is connected and is electrically connected to wiring board (2) by connecting line with charger body (1) one end is removable, in described charger body (1), be provided with the containing cavity (4) for accommodating connecting line, in described charger body (1), be also provided with at least one mounting groove (5), equal functional unit of removable connection (6) in each mounting groove (5), and each functional unit (6) is all electrically connected to wiring board (2), described functional unit (6) has comprised the retractable USB assembly of USB connecting line effect and the charge power supply assembly that plays store electrical energy effect.This multifunctional charger easy to use comfortable, take small volume, easy to carry and diverse in function.
Description
Technical field
The utility model relates to charging device technical field, relates in particular to a kind of multifunctional charger.
Background technology
Charger is mainly a kind of device to digital product charging, but the charger of prior art exists following shortcoming:
1, because the Charger (portable round) of prior art is fixed in charger body, so charger body is along with plug is plugged on outlet or insert row while using, the connecting line that so not only user need to be very long connects digital product and the charger body of needs charging, and because the area of charger body is larger, so can take the area that outlet or insert row are larger, affect the use of other electrical equipment;
2, because the design of the charger construction of prior art is unreasonable, so it is larger to take volume, carries and be not very convenient;
3, because the use of USB connecting line is very frequently now, charging such as digital product, data transfer etc. all needs USB connecting line, but the charger of prior art is all self-carried USB connecting lines not, generally only be provided with USB charging inlet, so just only possesses charge function, and do not possess the function that data shift, function ratio is more single, but also need to carry extraly data wire, different electrical appliances also needs different data wires, and taking in and carrying of many data lines easily causes the problems such as winding, to user, cause larger puzzlement, it is not very convenient using.
Utility model content
Technical problem to be solved in the utility model is: a kind of comfortable, multifunctional charger of taking small volume, easy to carry and diverse in function easy to use is provided, make user only need carry this charger and just can substitute all scattered charging devices as power line, charger, charging or data connecting line, reserve battery etc., and can charge for multiple electrical equipment.
The technical scheme that the utility model adopts is: a kind of multifunctional charger, comprise charger body, the external charge plug that is arranged on the wiring board in charger body and is electrically connected to wiring board, described external charge plug is connected and is electrically connected to wiring board by connecting line with charger body one end is removable, in described charger body, be provided with the containing cavity for accommodating connecting line, in described charger body, be also provided with at least one mounting groove, equal functional unit of removable connection in each mounting groove, and each functional unit is all electrically connected to wiring board, described functional unit has comprised the retractable USB assembly of USB connecting line effect and the charge power supply assembly that plays store electrical energy effect.
Adopt above structure compared with prior art, the utlity model has following advantage: be connected and be electrically connected to wiring board by connecting line external charge plug and charger body are removable, so just external charge plug can be removed and is inserted on outlet or insert row again from charger body, because external charge plug is electrically connected to wiring board by connecting line always, so as long as external charge plug is inserted on outlet or insert row and just can powers to charger body always, and applicant just makes external charge plug and the charger can be from away from must be between the two by a longer connecting line, use like this comfort and convenient more, and can not affect the use of other electrical equipment, a containing cavity is set, longer connecting line can be placed in containing cavity, while not needing to use like this, connecting line can be outside not exposed, is not only easy to use, and seems more attractive in appearance, and at least one mounting groove is set in charger body, and functional unit of your removable connection of each mounting groove, if retractable USB assembly is set, like this when the charging circuit of digital product falls short of, one of them USB connection-peg of retractable USB assembly can be extracted and be connected on the digital product that needs charging, or while needing a USB connecting line to carry out transfer of data, whole retractable USB assembly can be removed, because retractable USB assembly is just equivalent to two USB charging telescopic line that draws, after pulling down like this, just can work as a USB connecting line uses, if what arrange is charge power supply assembly, like this when external charging plug is connected extraneous power supply, wiring board can be given the charging of charge power supply assembly, and when disconnecting external charge plug, charge power supply assembly can be used as again power supply to the digital product charging being now plugged in charger body, whole like this charger function is just more various, and the design of whole charger construction is compact, so integral body takies small volume.
As preferably, described external charge plug referred to removable connection of charger body one end: in described charger body, be provided with a connector, described external charge plug is pegged graft and is electrically connected to connector, described connecting line one end is electrically connected to wiring board, the described connecting line other end is electrically connected to connector, and also by magnetic, is connected between described external charge plug and charger body.A connector is set and fixes external charge plug, like this when not needing to change external charge plug, can be by connecting line, connector and external charge plug are done as a whole, during use, three is a starting, can be by external charge plug while needing to connect from the distant socket of charger body, connector and removing from charger body, and be electrically connected to wiring board by connecting line always, very easy to use like this, when not being suitable for extraneous socket because of external charge plug, can change external charge plug, only external charge plug need to be removed from connector, changing another external charge plug is plugged on connector again, so just completed the object of changing external charge plug, the charger that is the application can be changed different external charge plugs according to extraneous socket, make more convenient to use, adaptability is wider.
As preferably, the base plate two ends of described containing cavity are bent downwardly and make containing cavity two ends form the arc-shaped cavity of placing for the connecting line two ends after folding.Because can not be very smooth after connecting line is folding, if the very smooth useful life that can affect connecting line, must there be outwardly convex at the connecting line two ends after folding, so containing cavity two ends are formed to arc-shaped cavity, connecting line after folding like this can well be placed in containing cavity, not can because of containing cavity two ends compared with little and extruding connecting line, increased the useful life of connecting line, and then increased the useful life of charger.
As preferably, in described each mounting groove, all functional unit of removable connection refers to: in described mounting groove, be provided with a USB interface, a described USB interface is electrically connected to wiring board, described functional unit is provided with gland, described gland is provided with a USB connection-peg, a described USB interface and a USB connection-peg are pegged graft, and also by magnetic, are connected between described functional unit and charger body.By the grafting between a USB interface and a USB connection-peg, form a part for removable connection, the second portion that is connected to form removable connection by functional unit and the magnetic between charger body, not only removable connection effect is better in setting like this, dismounting is all very convenient, and do not need the accessory structure that other are set to connect both, reduced the cost that other syndetons are set.
As preferably, on described connecting line, be also arranged with the multipair magnetic sheath for convenient folding connecting line.Very convenient when folding connecting line like this, and can make folding more neatly, can be placed on more accurately in containing cavity connecting line can not pushed by containing cavity.
As preferably, the cross section of described charger body is triangle, and chamfered is all done at described leg-of-mutton three angles.The cross section of charger body is made leg-of-mutton, very convenient when user's hand is taken like this, and place also more steady, and chamfered is done in leg-of-mutton three angles, can prevent from scratching like this having reduced potential safety hazard by hand.
As preferably, the described charger body other end is also provided with the 2nd USB interface.Arrange like this when the digital product that needs to charge is more, can be plugged on the 2nd USB interface and charge.
As preferably, described retractable USB assembly comprises gland and turnover panel line stretcher box, described gland is provided with a USB connection-peg, in described turnover panel line stretcher box, be provided with swiveling wheel, described turnover panel line stretcher box is provided with circular recess, and in described circular recess, be also connected with and can leave the 2nd USB connection-peg hiding in circular recess and when turnover panel line stretcher box and charger body are closed up in, on described swiveling wheel, be wound around and be provided with data cable, described data cable one end is electrically connected to a USB connection-peg, the described data cable other end is electrically connected to the 2nd USB connection-peg, and also by magnetic, be connected between described turnover panel line stretcher box and charger body.Arrange like this, retractable USB assembly is just equivalent to two USB line stretcher that draws, when digital product can not charge because connecting line falls short of, turnover panel line stretcher box can be routed up in mounting groove, then the 2nd USB connection-peg in the circular recess of turnover panel line stretcher box extracted and outwards stretched, because the USB connection-peg in gland is on the USB interface being plugged on mounting groove always, a USB connection-peg is electrically connected to wiring board always, so only the 2nd USB connection-peg stretching out need to be plugged on the digital product that needs charging and just can easily charge to digital product a long way off, and when digital product need to carry out transfer of data and there is no USB connecting line, now user can pull up a USB connection-peg come from a USB interface, now gland is separated with charger body, and then turnover panel line stretcher box is pulled off from charger body, whole like this retractable USB assembly has just removed from charger body, then this retractable USB assembly removing just can be used as two USB line stretcher that draws, and just can be used as USB connecting line, use the two USB of drawing line stretchers, demand that so just can well completing user, diverse in function.
As preferably, described charge power supply assembly comprises gland and turnover panel, described gland is provided with a USB connection-peg, described turnover panel is provided with rechargeable battery, a described USB connection-peg is electrically connected to rechargeable battery, described gland is fixedly connected with turnover panel, and also by magnetic, is connected between described turnover panel and charger body.Arrange like this, as long as pegged graft, the charger of charge power supply assembly can be used as the use of charging Bora, make the function of whole charger more various again, and if to pull down charge power supply assembly also more convenient, because gland and turnover panel are fixed together, only a USB connection-peg need to be looked into from a USB interface, then by some power, charge power supply assembly taken out just a little.
As preferably, described wiring board is provided with main control MCU, and between a described USB interface and main control MCU, is also provided with one for identifying the insertion sampling identification circuit of the digital product that needs charging or need electric discharge.Arrange one and insert sampling identification circuit, no matter be inserted in like this, on a USB interface, be to need the digital product of charging or can to the charge power supply assembly of other digital products chargings, can sample identification circuit by insertion by a USB interface identifies, then judgement is inserted be need charging or need electric discharge, then according to what judge, carry out internal circuit adjustment, make a USB interface can charge and can discharge.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model multifunctional charger.
Fig. 2 is the structural representation that Fig. 1 dismantles after bayonet cap and upper cover.
Fig. 3 is the structural representation of the external charge plug of the utility model multifunctional charger.
Fig. 4 is the structural representation that Fig. 2 dismantles after external charge plug.
Fig. 5 is the structural representation that Fig. 4 dismantles after connector and right side side plate.
Fig. 6 is the structural representation that Fig. 1 dismantles after a non-functional unit wherein.
Fig. 7 is the structural representation of the functional unit for the utility model multifunctional charger.
As shown in the figure: 1, charger body; 2, wiring board; 3, external charge plug; 4, containing cavity; 5, mounting groove; 6, functional unit; 7, connector; 8, a USB interface; 9, gland; 10, bayonet cap; 11, upper cover.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further, but the utility model is not limited only to following embodiment.
As shown in the figure, a kind of multifunctional charger, comprise charger body 1, the external charge plug 3 that is arranged on the wiring board 2 in charger body 1 and is electrically connected to wiring board 2, described external charge plug 3 is connected and is electrically connected to wiring board 2 by connecting line with charger body 1 one end is removable, in described charger body 1, be provided with the containing cavity 4 for accommodating connecting line, in described charger body 1, be also provided with at least one mounting groove 5, functional unit 6 of the interior all removable connections of each mounting groove 5, and each functional unit 6 is all electrically connected to wiring board 2, described functional unit 6 has comprised the retractable USB assembly of USB connecting line effect and the charge power supply assembly that plays store electrical energy effect.And because at the outer sheathed bayonet cap 10 of external charging plug 3, and external charge plug 3 comprises a connector assembly and plug, described plug is rotatably connected on connector assembly, in use can be by plug half-twist, on containing cavity 4 tops, be also provided with a upper cover 11, from charger, on the whole just there is no hole and projection in surface like this, user uses very comfortable.Described charger body is upper cover 11, containing cavity 4, containing cavity 4 base plates, wiring board 2, mounting groove 5 upper plates and functional unit 6 from top to bottom, this spline structure is very compact, because charger body cross section is leg-of-mutton, institute is so that the whole small volume that takies of charger again.Described mounting groove 5 most preferably is three, and in three, has two retractable USB assemblies and a charge power supply assembly.Described mounting groove 5 also can be called mount pad.
Described external charge plug 3 referred to removable connection of charger body 1 one end: in described charger body 1, be provided with a connector 7, described external charge plug 3 is pegged graft and is electrically connected to connector 7, described connecting line one end is electrically connected to wiring board 2, the described connecting line other end is electrically connected to connector 7, and also by magnetic, is connected between described external charge plug 3 and charger body 1.Because described external charge plug 3 comprises a connector assembly and plug, described plug is rotatably connected on connector assembly one end, the described connector assembly other end is provided with the spliced eye of pegging graft for connector 7, described connector 7 is plugged in spliced eye, and relation that described connector 7 and charger body 1 have nothing spacing, described connector 7 is just arranged in charger body 1 by upper cover 11.Between described external charge plug 3 and charger body 1, also by magnetic, be connected on three angles on the connector assembly other end that refers to described external charge plug 3 and be respectively equipped with magnet, charger body 1 is to adopt magnetic material to make.
The base plate two ends of described containing cavity 4 are bent downwardly and make containing cavity 4 two ends form the arc-shaped cavity of placing for the connecting line two ends after folding.Described containing cavity 4 base plates are also provided with one away from external charge plug 3 one end and stretch into for connecting line the through hole being electrically connected to wiring board 2.
Functional unit 6 of the interior all removable connections of described each mounting groove 5 refers to: in described mounting groove 5, be provided with a USB interface 8, a described USB interface 8 is electrically connected to wiring board 2, described functional unit 6 is provided with gland 9, described gland 9 is provided with a USB connection-peg, a described USB interface 8 and a USB connection-peg are pegged graft, and also by magnetic, are connected between described functional unit 6 and charger body 1.From accompanying drawing, a described USB interface 8 is outwardly, a USB connection-peg in described gland 9 is inwardly, so just can easily a USB connection-peg be inserted in a USB interface 8, and described mounting groove 5 also comprises a circular recess, on described functional unit 6, be also provided with a circular protrusion, both are just well connected like this.Described can assembly 6 with charger body 1 between also by magnetic, be connected on four angles of turnover panel that refer on described functional unit 6 and be respectively equipped with magnet, and described charger body 1 is made by magnetic material, turnover panel just can well be adsorbed in charger body 1 like this.
On described connecting line, be also arranged with the multipair magnetic sheath for convenient folding connecting line.These magnetic sheaths are to be directly enclosed within on connecting line, and are in pairs, so when connecting line is folded up, these magnetic sheaths in pairs can adsorb mutually, make to fold up convenient, folding more accurate.Described connecting line does not draw in the accompanying drawings, and magnetic sheath does not draw yet.
The cross section of described charger body 1 is triangle, and chamfered is all done at described leg-of-mutton three angles.Because it must be lighter than tetragonal that triangle takes up, and is not easy to drop.As shown in Figure 5, described functional unit 6 is all arranged on the bottom surface of charger body 1, and described gland 9 is to be plugged on the left surface of charger body 1.And the actual cross sections shape of described charger body 1 is that an equilateral triangle has removed three angles, so just be equivalent to form a hexagon, then chamfered is all done in hexagonal six angles, be only like this actual cross sections shape of charger body 1.
Described charger body 1 other end is also provided with the 2nd USB interface.The quantity of this 2nd USB interface does not limit, and this interface is generic USB interface.
Described retractable USB assembly comprises gland and turnover panel line stretcher box, described gland is provided with a USB connection-peg, in described turnover panel line stretcher box, be provided with swiveling wheel, described turnover panel line stretcher box is provided with circular recess, and in described circular recess, be also connected with and can leave the 2nd USB connection-peg hiding in circular recess and when turnover panel line stretcher box and charger body are closed up in, on described swiveling wheel, be wound around and be provided with data cable, described data cable one end is electrically connected to a USB connection-peg, the described data cable other end is electrically connected to the 2nd USB connection-peg, and also by magnetic, be connected between described turnover panel line stretcher box and charger body 1.The built-up joint that the USB splice combinations that described the 2nd USB connection-peg can be a plurality of different models forms together, so just can adapt to different USB interface.And an indicator light is also set on described retractable USB assembly, and when pegging graft charging by the 2nd USB interface, indicator light can be bright like this.
Described charge power supply assembly comprises gland and turnover panel, described gland is provided with a USB connection-peg, described turnover panel is provided with rechargeable battery, a described USB connection-peg is electrically connected to rechargeable battery, described gland is fixedly connected with turnover panel, and also by magnetic, is connected between described turnover panel and charger body.It is the same that described retractable USB assembly and charge power supply assembly look like in appearance, but internal structure is different, and turnover panel is not marked in Fig. 7.On described charge power supply assembly, be yet provided with an indicator light, when wiring board charges to rechargeable battery, indicator light can be luminous, and when charge power supply assembly is given other external digital product charging, indicator light also can be luminous.
Described wiring board 2 is provided with main control MCU, and between a described USB interface 8 and main control MCU, is also provided with one for identifying the insertion sampling identification circuit of the digital product that needs charging or need electric discharge.On described wiring board, also have some other functional module, these functional modules all with common charger circuit board on functional module similar, so just do not elaborating in this side.
The operation principle of the utility model multifunctional charger is: while first using, be bayonet cap 10 need to be taken off, then by external charge plug 3, connector 7 and connecting line are taken out together, because this three links together, so can take out together while taking out, connecting line is to be electrically connected to wiring board always, the external charge plug 3 be about to taking out is plugged into and on outlet or insert row, carries out power taking, now charger has connected electricity, if now will charge to digital product, turnover panel line stretcher box in the removable retractable USB assembly being connected in mounting groove 5 can be turned down, taking-up is connected to the 2nd USB connection-peg in the circular recess on turnover panel line stretcher box, then the 2nd USB connection-peg is pulled out, and a USB connection-peg in gland 9 on retractable USB assembly is to be plugged on a USB interface 8 always, again because whole retractable USB assembly is equivalent to two USB charging telescopic line that draws, be that two can stretch, user receives the 2nd USB connection-peg stretching out on the digital product that needs charging and just can charge to digital product like this, and the USB splice combinations that can be multiple different model because of the 2nd USB connection-peg is got up, so go for having the digital product of different USB interfaces, if the digital product of pegging graft is more, and retractable USB assembly has all been stuck with, remaining digital product can also be plugged on the 2nd USB interface that is arranged on charger body 1 other end, but be plugged on here and just needed a USB connecting line, and if digital product is just in order to carry out transfer of data, just need a USB connecting line, so just only turnover panel line stretcher box to not turned down in use, but also gland 9 need to be pulled down from charger body 1, tear gland 9 open very convenient, because just fix by the grafting between a USB connection-peg and a USB interface 8 between gland 9 and charger body 1, so only a USB connection-peg just need to be removed and gland 9 can easily be pulled down from charger body 1 from a USB interface 8, whole like this retractable USB assembly has just removed from charger body 1 completely, again because retractable USB assembly can be as two USB charging telescopic line that draws, completely can be separately as one can be flexible USB connecting line use, use so also very convenient, if and when being connected to functional unit 6 in charger body 1 and being charge power supply assembly, as long as external charge plug 3 is plugged on external power source, will give the lasting charging of rechargeable battery in charge power supply assembly, and when external charge plug 3 is when external power source is extracted, if now the rechargeable battery in charge power supply assembly has certain electric weight of storage, charge power supply assembly will become a power module to the digital product power supply to be charged being plugged in charger body 1.
Claims (10)
1. a multifunctional charger, comprise charger body (1), be arranged on the wiring board (2) in charger body (1) and the external charge plug (3) being electrically connected to wiring board (2), it is characterized in that: described external charge plug (3) is connected and is electrically connected to wiring board (2) by connecting line with charger body (1) one end is removable, in described charger body (1), be provided with the containing cavity (4) for accommodating connecting line, in described charger body (1), be also provided with at least one mounting groove (5), equal functional unit of removable connection (6) in each mounting groove (5), and each functional unit (6) is all electrically connected to wiring board (2), described functional unit (6) has comprised the retractable USB assembly of USB connecting line effect and the charge power supply assembly that plays store electrical energy effect.
2. multifunctional charger according to claim 1, it is characterized in that: described external charge plug (3) referred to charger body (1) removable connection of one end: in described charger body (1), be provided with a connector (7), described external charge plug (3) is pegged graft and is electrically connected to connector (7), described connecting line one end is electrically connected to wiring board (2), the described connecting line other end is electrically connected to connector (7), and also by magnetic, is connected between described external charge plug (3) and charger body (1).
3. multifunctional charger according to claim 1, is characterized in that: the base plate two ends of described containing cavity (4) are bent downwardly and make containing cavity (4) two ends form the arc-shaped cavity of placing for the connecting line two ends after folding.
4. multifunctional charger according to claim 1, it is characterized in that: in described each mounting groove (5), all a functional unit of removable connection (6) refers to: in described mounting groove (5), be provided with a USB interface (8), a described USB interface (8) is electrically connected to wiring board (2), described functional unit (6) is provided with gland (9), described gland (9) is provided with a USB connection-peg, a described USB interface (8) is pegged graft with a USB connection-peg, and also by magnetic, be connected between described functional unit (6) and charger body (1).
5. multifunctional charger according to claim 1, is characterized in that: on described connecting line, be also arranged with the multipair magnetic sheath for convenient folding connecting line.
6. multifunctional charger according to claim 1, is characterized in that: the cross section of described charger body (1) is triangle, and chamfered is all done at described leg-of-mutton three angles.
7. multifunctional charger according to claim 1, is characterized in that: described charger body (1) other end is also provided with the 2nd USB interface.
8. multifunctional charger according to claim 4, it is characterized in that: described retractable USB assembly comprises gland and turnover panel line stretcher box, described gland is provided with a USB connection-peg, in described turnover panel line stretcher box, be provided with swiveling wheel, described turnover panel line stretcher box is provided with circular recess, and in described circular recess, be also connected with and can leave the 2nd USB connection-peg hiding in circular recess and when turnover panel line stretcher box and charger body are closed up in, on described swiveling wheel, be wound around and be provided with data cable, described data cable one end is electrically connected to a USB connection-peg, the described data cable other end is electrically connected to the 2nd USB connection-peg, and also by magnetic, be connected between described turnover panel line stretcher box and charger body (1).
9. multifunctional charger according to claim 4, it is characterized in that: described charge power supply assembly comprises gland and turnover panel, described gland is provided with a USB connection-peg, described turnover panel is provided with rechargeable battery, a described USB connection-peg is electrically connected to rechargeable battery, described gland is fixedly connected with turnover panel, and also by magnetic, is connected between described turnover panel and charger body (1).
10. multifunctional charger according to claim 1, it is characterized in that: described wiring board (2) is provided with main control MCU, and between a described USB interface (8) and main control MCU, be also provided with one for identifying the insertion sampling identification circuit of the digital product that needs charging or need electric discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420461464.8U CN204012859U (en) | 2014-08-15 | 2014-08-15 | Multifunctional charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420461464.8U CN204012859U (en) | 2014-08-15 | 2014-08-15 | Multifunctional charger |
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| Publication Number | Publication Date |
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| CN204012859U true CN204012859U (en) | 2014-12-10 |
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| CN201420461464.8U Active CN204012859U (en) | 2014-08-15 | 2014-08-15 | Multifunctional charger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167792A (en) * | 2014-08-15 | 2014-11-26 | 陆宁远 | Multifunctional charger |
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2014
- 2014-08-15 CN CN201420461464.8U patent/CN204012859U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167792A (en) * | 2014-08-15 | 2014-11-26 | 陆宁远 | Multifunctional charger |
| WO2016023428A1 (en) * | 2014-08-15 | 2016-02-18 | 陆宁远 | Multi-functional charger |
| GB2543462A (en) * | 2014-08-15 | 2017-04-19 | Lu Ningyuan | Multi-functional charger |
| US10277042B2 (en) | 2014-08-15 | 2019-04-30 | Ningyuan LU | Multi-functional charger |
| GB2543462B (en) * | 2014-08-15 | 2021-06-16 | Hexcal Shanghai Co Ltd | Multi-functional charger |
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