CN105490336A - Wearable device and charging circuit thereof - Google Patents

Wearable device and charging circuit thereof Download PDF

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Publication number
CN105490336A
CN105490336A CN201510976290.8A CN201510976290A CN105490336A CN 105490336 A CN105490336 A CN 105490336A CN 201510976290 A CN201510976290 A CN 201510976290A CN 105490336 A CN105490336 A CN 105490336A
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China
Prior art keywords
wearable device
charging
male
interface
female mouth
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CN201510976290.8A
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CN105490336B (en
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武西湖
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Individual
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0044Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a wearable device and a charging circuit thereof. The wearable device comprises a wearable device body and a plurality of charging transmission lines, wherein grooves for accommodating the charging transmission lines are formed in double side ends of the wearable device body respectively; charging transmission interface female openings are formed in the double side ends of the wearable device body respectively; one end of each charging transmission line is connected with the side ends of the wearable device body and the other end is vertically connected with a charging transmission interface male head; and when the charging transmission lines are completely accommodated into the grooves in the side ends, at which the charging transmission lines are located, of the wearable device body, the male heads connected with the charging transmission lines are matched with the female openings formed in the side ends and are embedded into the female openings. By the technical scheme, an intelligent charging adapter does not need to individually carry; the portability is relatively good; a wearable device charging adapter of supporting a plurality of charging interfaces is convenient to carry by a user; and intelligent wearable hardware can be charged through daily common electronic product charging interfaces.

Description

Wearable device and charging circuit thereof
Technical field
The present invention relates to the communications field, particularly relate to wearable device and charging circuit thereof.
Background technology
Day by day universal along with all types of Intelligent hardware product, especially with Intelligent bracelet, wrist-watch is that the intelligence of representative is dressed class hardware product and obtained fast development.Dress the Intelligent hardware product of class owing to being limited to small product size and appearance design, charging inlet particular design often, needs special charging adapter to charge.
The charging adapter of existing typical wearable intelligent hardware product generally by: adaptable interface and the charging inlet of wearable device are formed.During charging, Intelligent hardware is connected on adaptable interface, and charging inlet connects the power supply of supporting this interface or on power supply unit, can complete the charging to wearable intelligent hardware.
First, this kind of intelligent charge adapter, coordinates the charging inlet line of independent charger and fixing model.As depicted in figs. 1 and 2 two kinds typical Intelligent bracelet charging adapters, charging inlet can only be USBA type male interface, can only use the equipment or charger of supporting this type interface during charging.
Secondly, the size under these charging adapter normal morphology is at more than 150mm, and portability still has room for improvement.If need frequent charge, user also needs to carry separately these charging adapters.
Therefore, providing a kind of portability better, and support the wearable device charging adapter of multiple charging inlet, is current problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of wearable device and charging circuit thereof, intelligent charge adapter for solving Wearable in prior art needs to carry separately, and mostly can only use the equipment of support USBA type male interface or the problem of charger during charging.
According to an aspect of the present invention, a kind of wearable device is provided, this wearable device comprises: wearable device body, wherein, the bilateral end of above-mentioned wearable device body is respectively arranged with the groove holding Charging transmission line, and the bilateral end of above-mentioned wearable device body is also respectively arranged with the female mouth of charging coffret; Many above-mentioned Charging transmission lines, one end of above-mentioned Charging transmission line is connected with above-mentioned wearable device body side, the other end of above-mentioned Charging transmission line is vertically connected with charging coffret male, when above-mentioned Charging transmission line is contained in the groove of the wearable device body side at this Charging transmission line place completely, female mouth that the male be connected with this Charging transmission line and this side are arranged is suitable and be embedded in this female mouth.
Further, in the bilateral end of above-mentioned wearable device body, female mouth of a side is Micro USB female port, and the charging coffret male that this side Charging transmission line connects is support the MicroUSB male of OTG function.
Further, when needs connect external equipment charging and/or transfer of data, the MicroUSB male of above-mentioned wearable device embeds in the Micro USB female port of the external equipment supporting OTG function; And/or the MicroUSB male of the external equipment of above-mentioned support OTG function embeds in the above-mentioned Micro USB female port of above-mentioned wearable device.
Further, in the bilateral end of above-mentioned wearable device body, female mouth of a side is the female mouth of MicroUSBTypeC, and the charging coffret male that this side Charging transmission line connects is MicroUSBTypeC male.
Further, when needs connect external equipment charging and/or transfer of data, the MicroUSBTypeC male of above-mentioned wearable device embeds in the female mouth of MicroUSBTypeC of the external equipment supporting OTG function; And/or the MicroUSBTypeC male of external equipment embeds in the female mouth of above-mentioned MicroUSBTypeC of above-mentioned wearable device.
Further, in the bilateral end of above-mentioned wearable device body, female mouth of another side is the female mouth of Lightning interface, then the charging coffret male that this side Charging transmission line connects is Lightning interface male.
Further, when needs connect external equipment carry out charging and/or transfer of data time, the Lightning interface male of above-mentioned wearable device embeds in the female mouth of Lightning interface of external equipment; And/or the Lightning interface male of said external equipment embeds in the female mouth of above-mentioned Lightning interface of above-mentioned wearable device.
Further, the groove of above-mentioned accommodation Charging transmission line is U-type groove.
According to another aspect of the present invention, a kind of charging circuit of above-mentioned wearable device is provided, and adopts following technical scheme: this circuit comprises: the female mouth of multiple charging inlet male and multiple charging inlet and supplying cell; For each interface male and the female mouth of each interface, all be connected to the first common point by one-way conduction Schottky diode, above-mentioned first common point is connected with the positive output end of above-mentioned supplying cell, the positive pole of each above-mentioned diode connects the Vbus end of above-mentioned interface male or the female mouth of interface respectively, and the negative pole of each above-mentioned diode connects above-mentioned common point respectively; The GND end of each interface male and the female mouth of each interface, all holds with the GND of above-mentioned supplying cell and is connected.
Further, the Shield pin of each interface male and the female mouth of each interface is all connected to the second common point, above-mentioned second common point is connected to the GND end of above-mentioned supplying cell by the first Transient Suppression Diode, is connected with the second Transient Suppression Diode between the positive output end of above-mentioned supplying cell and GND hold.
Adopt technical scheme of the present invention, without the need to carrying separately intelligent charge adapter, portability is better, and supports the wearable device charging adapter of multiple charging inlet, allow user side's Portable belt, and dress class hardware to intelligence by daily common electronic product charging inlet to complete charging.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the wearable device of the embodiment of the present invention;
Fig. 2 is the charging inlet of the preferred embodiment of the present invention two structured flowchart when being in receiving state;
Fig. 3 is the charging inlet of the preferred embodiment of the present invention one structural representation when being in open mode; And
Fig. 4 is the circuit theory diagrams of the charging circuit of the wearable device of the preferred embodiment of the present invention.
Embodiment
Core of the present invention is to provide a kind of wearable device and charging circuit thereof, intelligent charge adapter for solving Wearable in prior art needs to carry separately, and mostly can only use the equipment of support USBA type male interface or the problem of charger during charging.
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing, the present invention is further detailed.
According to the embodiment of the present invention, provide a kind of wearable device.
Fig. 1 is the structural representation of the wearable device of the embodiment of the present invention.As shown in Figure 1, this wearable device comprises: wearable device body 10, wherein, the bilateral end of above-mentioned wearable device body 10 is respectively arranged with the groove 100 holding Charging transmission line, and the bilateral end of above-mentioned wearable device body is also respectively arranged with the female mouth 102 of charging coffret; Many above-mentioned Charging transmission lines 12, one end of above-mentioned Charging transmission line is connected with above-mentioned wearable device body side, the other end of above-mentioned Charging transmission line is vertically connected with charging coffret male 120, when above-mentioned Charging transmission line is contained in the groove 100 of the wearable device body side at this Charging transmission line place completely, female mouth that the male be connected with this Charging transmission line and this side are arranged is suitable and be embedded in this female mouth.
In the present embodiment, charging inlet is all integrated in wearable device itself, supports polytype charging inlet simultaneously.When user uses the wearable device of the program, do not need to carry any independent charging data line, the daily charging wire rod (Microusb charging wire and apple Lightning charging wire) be seen everywhere can be used, drastically increase portable devices.
Wherein, the groove of above-mentioned accommodation Charging transmission line can be U-type groove.Namely Charging transmission line can be accommodated in U-type groove in linearly extended mode.Specifically can see Fig. 2.
Preferably, as shown in Figure 3, in the bilateral end of above-mentioned wearable device body, female mouth of a side can be Micro USB female port, and the charging coffret male that this side Charging transmission line connects is support the MicroUSB male of OTG function.In the bilateral end of above-mentioned wearable device body, female mouth of another side is the female mouth of Lightning interface, then the charging coffret male that this side Charging transmission line connects is Lightning interface male.
In preferred implementation process, when needs connect external equipment carry out charging and/or transfer of data time, the MicroUSB male of above-mentioned wearable device embeds in the Micro USB female port of the external equipment supporting OTG function; And/or the MicroUSB male of external equipment embeds in the above-mentioned Micro USB female port of above-mentioned wearable device.In like manner, when needs connect external equipment carry out charging and/or transfer of data time, the Lightning interface male of above-mentioned wearable device embeds in the female mouth of Lightning interface of external equipment; And/or the Lightning interface male of said external equipment embeds in the female mouth of above-mentioned Lightning interface of above-mentioned wearable device.In above-mentioned two males and above-mentioned two female mouths at least one can with external equipment (such as, mobile phone) be connected, wearable device as the external equipment of external equipment, by external equipment to Wearable charging or and external equipment between carry out transfer of data.
Preferably, as shown in Figure 3, in the bilateral end of above-mentioned wearable device body, female mouth of a side also can be the female mouth of MicroUSBTypeC, and the charging coffret male that this side Charging transmission line connects is MicroUSBTypeC male.In the bilateral end of above-mentioned wearable device body, female mouth of another side is the female mouth of Lightning interface, then the charging coffret male that this side Charging transmission line connects is Lightning interface male.
In preferred implementation process, when needs connect external equipment carry out charging and/or transfer of data time, the MicroUSBTypeC male of above-mentioned wearable device embeds in the female mouth of MicroUSBTypeC of the external equipment supporting OTG function; And/or the MicroUSBTypeC male of external equipment embeds in the female mouth of above-mentioned MicroUSBTypeC of above-mentioned wearable device.When needs connect external equipment carry out charging and/or transfer of data time, the Lightning interface male of above-mentioned wearable device embeds in the female mouth of Lightning interface of external equipment; And/or the Lightning interface male of said external equipment embeds in the female mouth of above-mentioned Lightning interface of above-mentioned wearable device.In above-mentioned two males and above-mentioned two female mouths at least one can with external equipment (such as, mobile phone) be connected, wearable device as the external equipment of external equipment, by external equipment to Wearable charging or and external equipment between carry out transfer of data.
Such as, external equipment (such as mobile phone) battery capacity is generally even higher at 2000 MAHs, Intelligent worn device is limited to product size, battery capacity is smaller, common can not more than 100 MAHs, and that is the electricity of battery of mobile phone about 5% can meet the electricity needed for most of wearable device Full Charge Capacity.When people go out, when wearable device does not have electric, the mobile phone carried with can be adopted to connect wearable device, be wearable device charging.
Example below in conjunction with Fig. 2 and Fig. 3 further describes above-mentioned preferred implementation.
As shown in Figures 2 and 3, this wearable device comprises: wearable device main body 1, interface 2, interface 3, interface 4, interface 5, charging data line 6, U-type groove 7.
In the present embodiment, wearable device main body is integrated with 4 kinds and can be used for the interface of equipment charge, being respectively 2 in upper figure, 3,4, the interface shown in 5;
During charging, open corresponding interface, connect charge power supply.
Not rechargeable, the charging inlet of equipment is in the state of receiving completely.Interface 2 can be accommodated in interface 3, and interface 4 can in interface 5, and wherein connection device and interface 2, the charging data line 6 of interface 4 can be accommodated in U-type groove corresponding to equipment side face 7, guarantees wearable device main body tailored appearance.
It should be noted that, this wearable device can support multiple (such as 4 kinds) charging inlet, allows user can complete charging with the daily charging wire rod be seen everywhere (Microusb charging wire and apple Lightning charging wire) or handset port.When being embodied on product, the position of interface can flexible topology.When being embodied on product, integrated interface quantity also can be 2 kinds or 3 kinds etc.When being embodied on product, the charging inlet of other types also can according to this programme layout in Wearable.
Below further describe the working method of each interface.
Interface 2 can be set to MicroUSB type male, supports OTG, can be directly connected in the female mouth of the mobile phone USB supporting OTG, as the external equipment of mobile phone, be charged by mobile phone to Wearable.
In like manner, interface 2 also can be set to MicroUSBTypeC type male, connects in the female mouth of the mobile phone USB supporting OTG, as the external equipment of mobile phone, is charged by mobile phone to Wearable.
Interface 4 is the Lightning interface male of apple iPhone and iPad, can directly be inserted in the female mouth of Lightning interface of iPhone and iPad, as the external equipment of iPhone and iPad, when the permission of ios soft ware authorization, charged to wearable device by iPhone and iPad.
Interface 3 is the Micro USB female port of mark, and it is Intelligent worn device charging that common MicroUSB male charging wire can be used to insert in interface 3;
In like manner, interface 3 also can be set to the female mouth of MicroUSBTypeC, and it is Intelligent worn device charging that common MicroUSBTypeC male charging wire can be used to insert in interface 3;
Interface 5 is the female mouth of Lightning interface of iPhone and iPad, and it is Intelligent worn device charging that the Lightning charging wire with iPhone and iPad can be used to insert in interface 5.
According to the embodiment of the present invention, additionally provide a kind of charging circuit of above-mentioned wearable device.
Fig. 4 is the circuit theory diagrams of the charging circuit of the wearable device of the preferred embodiment of the present invention.As shown in Figure 4, charging circuit comprises: the female mouth (in figure J1, J2, J3, J4) of multiple charging inlet male and multiple charging inlet and supplying cell; For each interface male and the female mouth of each interface, all be connected to the first common point by one-way conduction Schottky diode (D1, D2, D3, D4), above-mentioned first common point is connected with the positive output end of above-mentioned supplying cell, the positive pole of each above-mentioned diode connects the Vbus end of above-mentioned interface male or the female mouth of interface respectively, and the negative pole of each above-mentioned diode connects above-mentioned common point respectively; The GND end of each interface male and the female mouth of each interface, all holds with the GND of above-mentioned supplying cell and is connected.
Consider that this programme is in the application of actual product, user is when charging, likely there is the situation simultaneously using multiple interface simultaneously to charge, in order to ensure equipment and charging process safety, the present embodiment adds the design of each charging inlet one-way conduction when charging circuit designs, D1 to D4 is one-way conduction Schottky diode, about the 0.1V that pressure drop is smaller.Each interface of circuit is connected to battery positive output end (V+ end) by single-pass diode, prevents the channelling between each interface, namely prevents electric current from oppositely flowing into another charging inlet from a charging inlet.
Preferably, as shown in Figure 4, the Shield pin of each interface male and the female mouth of each interface is all connected to the second common point, above-mentioned second common point is connected to the GND end of above-mentioned supplying cell by the first Transient Suppression Diode (T5), is connected with the second Transient Suppression Diode (T6) between the positive output end of above-mentioned supplying cell and GND hold.
D5 and D6, as Transient Suppression Diode (TVS), can guarantee input voltage amount.It can thus be appreciated that, add overvoltage crowbar, can ensure that the charging voltage of battery is within the scope of safety.
In sum, by above-described embodiment provided by the invention, multiple common charging inlet is integrated with than existing charging adapter, broken the limitation that current wearable device charging adapter only has a kind of charging inlet, in very big various life convenient for users, the most common charging inlet charges to Wearable.Also support to be charged directly to Wearable by all types of exterior terminal USB interface simultaneously.The embodiment of the present invention is integrated with the charging inlet of multiple (such as 4 kinds) type, does not need the charging adapter beyond wearable device, significantly improves the convenience of charging.Overall portability design, each charging inlet can shrink hiding, appearance looks elegant.The cable-shaped outward appearance that current wearable device charging adapter is substantially, when carrying, easily and other electronic equipment power source line data wires and earphone cord stir tangle up.And charging inlet one end exposed metallic plug, easily scratch other objects.In addition, charging circuit has design protection, prevents accessing user the charging that multiple charging inlet causes at the same time dangerous.When not charging, each charging inlet can fully be received, and guarantees that equipment appearance is attractive in appearance.
Mode above only by illustrating describes some one exemplary embodiment of the present invention, undoubtedly, for those of ordinary skill in the art, when without departing from the spirit and scope of the present invention, can revise described embodiment by various different mode.Therefore, above-mentioned accompanying drawing is illustrative with being described in essence, should not be construed as the restriction to the claims in the present invention protection range.

Claims (10)

1. a wearable device, is characterized in that, comprising:
Wearable device body, wherein, the bilateral end of described wearable device body is respectively arranged with the groove holding Charging transmission line, and the bilateral end of described wearable device body is also respectively arranged with the female mouth of charging coffret;
Many described Charging transmission lines, one end of described Charging transmission line is connected with described wearable device body side, the other end of described Charging transmission line is vertically connected with charging coffret male, when described Charging transmission line is contained in the groove of the wearable device body side at this Charging transmission line place completely, female mouth that the male be connected with this Charging transmission line and this side are arranged is suitable and be embedded in this female mouth.
2. wearable device as claimed in claim 1, it is characterized in that, in the bilateral end of described wearable device body, female mouth of a side is Micro USB female port, and the charging coffret male that this side Charging transmission line connects is support the MicroUSB male of OTG function.
3. wearable device as claimed in claim 2, is characterized in that, when needs connect external equipment carry out charging and/or transfer of data time, the MicroUSB male of described wearable device embeds in the Micro USB female port of the external equipment supporting OTG function; And/or the MicroUSB male of described external equipment embeds in the described Micro USB female port of described wearable device.
4. wearable device as claimed in claim 1, is characterized in that, in the bilateral end of described wearable device body, female mouth of a side is the female mouth of MicroUSBTypeC, and the charging coffret male that this side Charging transmission line connects is MicroUSBTypeC male.
5. wearable device as claimed in claim 4, it is characterized in that, when needs connect external equipment carry out charging and/or transfer of data time, the MicroUSBTypeC male of described wearable device embeds in the female mouth of MicroUSBTypeC of the external equipment supporting OTG function; And/or the MicroUSBTypeC male of external equipment embeds in the female mouth of described MicroUSBTypeC of described wearable device.
6. the wearable device as described in claim 2 or 4, it is characterized in that, in the bilateral end of described wearable device body, female mouth of another side is the female mouth of Lightning interface, then the charging coffret male that this side Charging transmission line connects is Lightning interface male.
7. wearable device as claimed in claim 6, is characterized in that, when needs connect external equipment carry out charging and/or transfer of data time, the Lightning interface male of described wearable device embeds in the female mouth of Lightning interface of external equipment; And/or the Lightning interface male of described external equipment embeds in the female mouth of described Lightning interface of described wearable device.
8. wearable device as claimed in claim 1, it is characterized in that, the groove of described accommodation Charging transmission line is U-type groove.
9. a charging circuit for the wearable device according to any one of claim 1 to 8, is characterized in that, comprising: the female mouth of multiple charging inlet male and multiple charging inlet and supplying cell;
For each interface male and the female mouth of each interface, all be connected to the first common point by one-way conduction Schottky diode, described first common point is connected with the positive output end of described supplying cell, the positive pole of diode described in each connects the Vbus end of described interface male or the female mouth of interface respectively, and the negative pole of diode described in each connects described first common point respectively;
The GND end of each interface male and the female mouth of each interface, all holds with the GND of described supplying cell and is connected.
10. charging circuit as claimed in claim 9, it is characterized in that, the Shield pin of each interface male and the female mouth of each interface is all connected to the second common point, described second common point is connected to the GND end of described supplying cell by the first Transient Suppression Diode, is connected with the second Transient Suppression Diode between the positive output end of described supplying cell and GND hold.
CN201510976290.8A 2015-12-23 2015-12-23 Wearable device and its charging circuit Active CN105490336B (en)

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Application Number Priority Date Filing Date Title
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CN105490336B CN105490336B (en) 2018-09-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107785945A (en) * 2016-08-31 2018-03-09 富泰华工业(深圳)有限公司 A kind of adjustable base of interface position
CN112117810A (en) * 2020-09-28 2020-12-22 无锡睿勤科技有限公司 Charging circuit and charging method suitable for hybrid charger

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Publication number Priority date Publication date Assignee Title
CN202281911U (en) * 2011-09-19 2012-06-20 上海工程技术大学 Multifunction wristwatch
CN203085911U (en) * 2013-02-01 2013-07-24 深圳宝嘉能源有限公司 Charging male joint and mobile power supply
CN203276850U (en) * 2013-05-30 2013-11-06 刘承刚 Double-interface general U disk and watch
CN203278322U (en) * 2013-05-20 2013-11-06 四川品胜电子有限公司 Mobile power supply with OTG line
CN104467075A (en) * 2014-11-12 2015-03-25 浙江西诺电子有限公司 Business card type mobile power supply
CN205265291U (en) * 2015-12-23 2016-05-25 武西湖 Wearing equipment and charging circuit thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202281911U (en) * 2011-09-19 2012-06-20 上海工程技术大学 Multifunction wristwatch
CN203085911U (en) * 2013-02-01 2013-07-24 深圳宝嘉能源有限公司 Charging male joint and mobile power supply
CN203278322U (en) * 2013-05-20 2013-11-06 四川品胜电子有限公司 Mobile power supply with OTG line
CN203276850U (en) * 2013-05-30 2013-11-06 刘承刚 Double-interface general U disk and watch
CN104467075A (en) * 2014-11-12 2015-03-25 浙江西诺电子有限公司 Business card type mobile power supply
CN205265291U (en) * 2015-12-23 2016-05-25 武西湖 Wearing equipment and charging circuit thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107785945A (en) * 2016-08-31 2018-03-09 富泰华工业(深圳)有限公司 A kind of adjustable base of interface position
CN107785945B (en) * 2016-08-31 2022-10-28 富泰华工业(深圳)有限公司 Base with adjustable interface position
CN112117810A (en) * 2020-09-28 2020-12-22 无锡睿勤科技有限公司 Charging circuit and charging method suitable for hybrid charger
CN112117810B (en) * 2020-09-28 2022-05-10 无锡睿勤科技有限公司 Charging circuit and charging method suitable for hybrid charger

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