CN205846767U - Charger - Google Patents
Charger Download PDFInfo
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- CN205846767U CN205846767U CN201620600507.5U CN201620600507U CN205846767U CN 205846767 U CN205846767 U CN 205846767U CN 201620600507 U CN201620600507 U CN 201620600507U CN 205846767 U CN205846767 U CN 205846767U
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- Prior art keywords
- power supply
- charger
- reverse current
- supply chip
- processor
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Abstract
This utility model relates to technical field of electronic equipment, discloses a kind of charger.In this utility model, charger includes: have the power supply chip of OTG interface, processor and electrical switch；Processor is used for controlling power supply chip and exports the first reverse current or the second reverse current；Wherein, the first reverse current is more than the second reverse current；Processor is additionally operable to, by electrical switch, two data line of the OTG interface of power supply chip switch to short circuit state or non-short circuit state；Wherein, when two data line are in short circuit state, power supply chip exports the first reverse current；When two data line are in non-short circuit state, power supply chip exports the second reverse current.This utility model embodiment is compared with prior art so that common mobile device can be that other mobile devices are effectively powered as charger, thus provides convenient for charging.
Description
Technical field
This utility model relates to technical field of electronic equipment, particularly to a kind of charger.
Background technology
Due to the flying power that all kinds of portable electric appts such as smart mobile phone, panel computer itself is limited, its charging is asked
The emphasis that topic is always paid close attention in the industry.Common charging scheme includes: the standard quick charger that equipment vendor provides, third party carries
The quick charger etc. of confession, standard charger that use equipment carries or quick charger have charging safety, the most excellent
Point.But, owing to carrying some inconvenience of charger itself whenever and wherever possible, people's duration also can run into does not has the embarrassment of charger
Situation.
Accordingly, it is desired to provide more charging scheme is to meet the charge requirement of people.Such as, existing electronic equipment is used
It is the chargings such as mobile phone as charger.At present, USB OTG (On-supported by some common electronic equipments such as panel computer
The abbreviation of The-Go) interface, it can be with completely compatible USB2.0 agreement.Meanwhile, OTG be mainly used in various different equipment or
Connection between mobile device, carries out data exchange.In addition OTG also provides technical support for reverse charging, by two movements
On the premise of equipment links together, it is possible to use a wherein mobile device to be charged to an other mobile device,
The mobile device namely supporting OTG can use as charger.At present, the medium of two equipment connections is exactly an OTG
Line and a USB data line, wherein, OTG line is connected in the mobile device of power supply, and USB line is connected to movement to be charged and sets
Standby upper.
Mobile device can as power supply unit be due to, in a mobile device (as a example by mobile phone), its charging chip can
To provide OTG function.The most common charging chip, is possible not only to provide the electric current of many gears, and voltage exports, and also has
Boost mode (boost mode), when charging chip is in OTG boost mode, passes through dc-dc inside charging chip
Cell voltage is increased to 5 volts, it is provided that to VBUS end, be equivalent to the output voltage of standard AC charger, thus can
To be powered to external mobile equipment,
But, inventors herein have recognized that: the OTG function realized in mobile device at present, be only capable of meeting reversely confession
Electricity Functional, but the effect of reverse power supply is also far from meeting charge requirement, is mainly reflected in OTG supply current less, causes
Charging interval is longer.Such as, current OTG can be supplied to the electric current of mobile device to be charged at 200 milliamperes to 300 milliamperes
Left and right, when giving other mobile power supply equipments with this small area analysis, if equipment to be charged is in and standby goes out under screen state, will
The phenomenon that the appearance charging interval is longer；If equipment to be charged bright screen in OTG charging process normally uses, arise that and fill
Electricity and electric quantity consumption are fair mutually even to be there is phenomenon unable to make ends meet (power consumption of general mobile phone screen default luminance is at 300 milliamperes
Left and right).
Therefore, current mobile device cannot be also that other mobile devices are effectively charged as charger.
Utility model content
The purpose of this utility model embodiment is to provide a kind of charger so that common mobile device can be made
It is that other mobile devices are effectively powered for charger, thus provides convenient for charging.
For solving above-mentioned technical problem, embodiment of the present utility model provides a kind of charger, including: have
The power supply chip of OTG interface, processor and electrical switch；Described processor is used for controlling described power supply chip, and to export first reverse
Electric current or the second reverse current；Wherein, described first reverse current is more than described second reverse current；Described processor is also used
In by described electrical switch, two data line of the OTG interface of described power supply chip are switched to short circuit state or non-short
Connect state；Wherein, when described two data line are in described short circuit state, described power supply chip exports the first reverse current；Institute
Stating two data line when being in described non-short circuit state, described power supply chip exports described second reverse current.
This utility model embodiment in terms of existing technologies, by existing mobile device increase electronic cutting
Close, and, when needs use this mobile device to be other mobile power supply equipments, the processor of mobile device can control power supply
Chip (such as charging chip) exports the first reverse current, and meanwhile, the OTG of power supply chip is connect by processor also by electrical switch
Two data line on mouth switch to short circuit state, thus so that this mobile device can provide and the most reversely export electric current
For other mobile power supply equipments, and, also by short for two data line on OTG interface while output the first reverse current
Connect, so that the mobile device that this is to be powered is identified as standard charger by mobile device to be charged, it is to avoid to be charged
Its input current is limited by mobile device, and then makes the mobile terminal of present embodiment can be real as standard charger
Existing quick charge, the charging for mobile device provides more convenience selection.Additionally, the charger of present embodiment is being not required to
When being other charging of mobile devices, the OTG interface of its power supply chip exports on the second reverse current, and OTG interface two
Data line is in non-short circuit state (i.e. OTG connection status), so makes this charger still provide basic OTG interface
Function, does not affect the normal use of user.
It addition, described electrical switch includes: the first selection end and second being connected to described two data line selects
End, two shorted end and two data signal end, described first selects end and described second to select end to lead optionally at the same time
Lead in said two shorted end or two data signal end；Wherein, described first end and described second is selected to select end simultaneously
During conducting said two shorted end, described power supply chip exports the first reverse current；Described first selects end and described second choosing
Selecting end when simultaneously turning on said two data signal end, described power supply chip exports the second reverse current.So that electronic cutting
Close simple in construction, low cost.
It addition, described electrical switch is double-point double-throw switch or two single-pole double-throw switch (SPDT)s.
It addition, described processor by one enable control end be simultaneously coupled to described electrical switch first selection end and
Second selects end.
It addition, described first reverse current is more than predetermined threshold value.
It addition, described predetermined threshold value is 1 ampere.Thus, it is possible to provide bigger power supply electricity to mobile device to be charged
Stream, it is achieved quick charge.
Accompanying drawing explanation
Fig. 1 is according to during two data line short circuit on this utility model the first embodiment charger OTG interface
Structural representation；
When Fig. 2 is according to two data line non-short circuit on this utility model the first embodiment charger OTG interface
Structural representation；
Fig. 3 is the structural representation according to this utility model the second embodiment charger.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Each embodiment of type is explained in detail.But, it will be understood by those skilled in the art that at this utility model each
In embodiment, in order to make reader be more fully understood that, the application proposes many ins and outs.But, even if there is no these skills
Art details and many variations based on following embodiment and amendment, it is also possible to realize the application technical side required for protection
Case.
This utility model embodiment, based at present when needs use an OTG equipment to be another equipment charge, fills
Electricity electric current is little, the problem that charge efficiency is low, is analyzed the problem causing charge efficiency low.The low one side of charge efficiency is
Owing to supply current is little, it is on the other hand owing to power supply unit cannot be identified as standard charger by equipment to be charged, thus
Limit the size of the charging current provided it.And by by two data line short circuits on power supply unit OTG interface, permissible
Power supply is set by charging equipment and is identified as standard charger.
In view of this, the first embodiment of the present utility model relates to a kind of charger.For example, this charger
Can be the mobile device such as smart mobile phone, panel computer, but, present embodiment is not specifically limited for charger.As
Fig. 1, shown in 2, this charger includes: processor 1, have the power supply chip 2 of OTG interface, electrical switch 3 and battery 4.
Power supply chip 2 for example, charging chip in present embodiment, charging chip is connected to battery 4.Present embodiment
In, power supply chip 2 can provide the electric current of many gears, voltage to export, when power supply chip 2 works in DC DC boost mode, just
Can use OTG function is other charging of mobile devices.As preferably, the power supply chip 2 of present embodiment uses and can export
More than the power supply chip of the reverse current of predetermined threshold value, wherein, predetermined threshold value is such as 1 ampere, so, when power supply chip is used for
When reverse output electric current is provided, it is possible to output is well-suited for the electric current of current mobile terminal charging.
Processor 2 is connected to power supply chip, is used for controlling power supply chip and exports the first reverse current or second reversely electricity
The electric current of the different gear such as stream.In present embodiment, the first reverse current is more than the second reverse current, the first reverse current design
For being the electric current of other charging of mobile devices, the second reverse current can be that the OTG interface of this charger is used for carrying out
The fundamental current provided during data transmission.Present embodiment is not restricted for the ability of power supply chip output reverse current, only
The reverse current wanting power supply chip to export can meet for other charging of mobile devices simultaneously or use i.e. as OTG interface
Can.As preferably, in present embodiment, power supply chip 2 includes current value depositor, and processor passes through current value depositor control
Power supply chip processed exports the electric current of the different gear such as the first reverse current or the second reverse current, and specifically, processor is permissible
Pre-set current value is write in real time in current value depositor.
In present embodiment, processor 1 is additionally operable to by electrical switch 3, by two of the OTG interface 20 of power supply chip 2
Data wire (200,201) switches to short circuit state or non-short circuit state.Wherein, two data line (200,201) are in short circuit
During state, power supply chip 2 exports the first reverse current, when two data line (200,201) are in non-short circuit state, and power supply chip
2 output the second reverse currents.In present embodiment mode, two data line are two normal data lines of OTG, fill for realization
Data-transformation facility between electricity equipment and other equipment.
As preferably, the electrical switch 3 of present embodiment uses double-point double-throw switch.Specifically, double-point double-throw switch
Including: the first selection end 30 and second being connected to two data line (200,201) selects end 31, two shorted end
(320,322) and two data signal end (321,323).First selects end 30 and second to select end 31 to lead optionally at the same time
Lead in two shorted end (320,322) or two data signal end (321,323).Wherein, first end 30 and the second choosing are selected
Selecting end 31 when simultaneously turning on two shorted end (320,322), power supply chip 2 exports the first reverse current, and first selects end 30 He
When second selection end 31 simultaneously turns on two data signal end (321,323), power supply chip 2 exports the second reverse current.Such as Fig. 1
Shown in, when switching to short circuit state for the OTG interface 20 of power supply chip 2, the connection status schematic diagram of electrical switch 3, such as Fig. 2 institute
Show, when switching to non-short circuit state for the OTG interface 20 of power supply chip 2, the connection status schematic diagram of electrical switch 3.
It is noted that in present embodiment, processor 1 enables control end 33 by one and is simultaneously coupled to electronic cutting
The the first selection end closed and second selects end.Thus, when the level enabling control end 33 is dragged down by processor, first selects end
30 and second select end 31 to simultaneously turn in two data signal end (321,323), when processor 1 will enable the electricity controlling end 33
During horizontal drawing height, first selects end 30 and second to select end 31 to simultaneously turn in two shorted end (320,322).
Additionally, the charger of present embodiment can access this OTG interface by the ID pin detection on OTG interface
Data wire is OTG data wire or generic USB data wire, when ID foot ground connection on OTG interface, is defaulted as OTG data wire and connects
Enter, when the ID foot on OTG interface is unsettled, is defaulted as USB data line and accesses, thus, charger can be by the number accessed
According to the type of line judge its as charging equipment, or power supply unit use.When charger is in data transmission state,
The enable of electrical switch 3 can be set by application software and control end 33 for low level so that two normal data lines on OTG
(200,201) are connected with the usb signal on processor, when charger is in OTG reverse power supply state, pass through software design patterns
Enabling control end 33 is high level, and now, two data line (200,201) and two shorted end (320,322) of OTG connect,
Being in short circuit state, OTG interface provides only power and ground, and OTG interface can be used as standard charger interface and uses, and waits to supply
The equipment of electricity would not carry out current limliting process to power supply source, such that it is able to the reverse large current charge of OTG realized between mobile device.
Present embodiment compared with prior art, when needs are for charging of mobile devices, it is possible to use another supports OTG
The mobile device of function is as charger.When the data wire that wherein mobile device detects insertion is OTG data wire,
The reversely output electric current of power supply chip is set to bigger output electric current, meanwhile, by short for two data line on its OTG interface
Connect, so that another mobile device connected can be identified as standard charging equipment so that a movement sets
Standby can be quickly another charging of mobile devices, provides for user's charging and selects the most flexibly.
Second embodiment of the present utility model relates to a kind of charger.Second embodiment and the first embodiment are big
Causing identical, be: in the first embodiment in place of the main distinction, electrical switch is a double-point double-throw switch.And in this reality
With in novel second embodiment, electrical switch is two single-pole double-throw switch (SPDT)s, thus provides other reality for electrical switch
Existing mode.
As it is shown on figure 3, electrical switch 3 is two single-pole double-throw switch (SPDT)s.One of them single-pole double-throw switch (SPDT) includes the first choosing
Selecting end 30, first selects end 30 selectively to turn in shorted end 320 and data signal end 321, another single-pole double-throw switch (SPDT)
Including the second selection end 31, second selects end selectively to turn in shorted end 322 and data signal end 323.
Processor 1 enables control end by one and is simultaneously coupled to the first selection end 30 and the second selection end 31.Work as needs
During for other equipment charges, the first selection end 30 and second of two single-pole double-throw switch (SPDT)s selects end 31 to simultaneously turn in shorted end
(320,322), processor 1 controls power supply chip 2 and exports the first reverse current.When being not necessary for other equipment charges, two
First selection end of single-pole double-throw switch (SPDT) and second selects end 31 to simultaneously turn in data signal end (321,323), and processor 1 is controlled
Power supply chip 2 processed exports the second reverse current.It should be noted that in present embodiment, the first of two single-pole double-throw switch (SPDT)s
End 30 and the second same enable selecting end 31 to be connected on processor 1 after connecting is selected to control end.
The implementation of electrical switch, compared with the first embodiment, is extended by present embodiment, improves this
The practicality of utility model.
It will be understood by those skilled in the art that the respective embodiments described above are to realize of the present utility model being embodied as
Example, and in actual applications, can to it, various changes can be made in the form and details, without departing from spirit of the present utility model
And scope.
Claims (8)
1. a charger, it is characterised in that including: there is the power supply chip of OTG interface, processor and electrical switch；
Described processor is used for controlling described power supply chip and exports the first reverse current or the second reverse current；Wherein, described
First reverse current is more than described second reverse current；
Described processor is additionally operable to by described electrical switch, by two data line switchings of the OTG interface of described power supply chip
For short circuit state or non-short circuit state；
Wherein, when described two data line are in described short circuit state, described power supply chip exports the first reverse current；Described two
When data line is in described non-short circuit state, described power supply chip exports described second reverse current.
Charger the most according to claim 1, it is characterised in that described electrical switch includes: be connected to described
First selection end of two data line and second selects end, two shorted end and two data signal end；
Described first selects end and described second to select end to turn on optionally at the same time in said two shorted end or two numbers
According to signal end；
Wherein, when described first selection end and described second selects end to simultaneously turn on said two shorted end, described power supply chip
Export the first reverse current；
When described first selection end and described second selects end to simultaneously turn on said two data signal end, described power supply chip is defeated
Go out the second reverse current.
Charger the most according to claim 2, it is characterised in that described electrical switch is double-point double-throw switch or two
Individual single-pole double-throw switch (SPDT).
Charger the most according to claim 2, it is characterised in that described processor is enabled by one and controls end simultaneously
The the first selection end and second being connected to described electrical switch selects end.
5. according to the charger described in claim 1, it is characterised in that described first reverse current is more than predetermined threshold value.
Charger the most according to claim 5, it is characterised in that described predetermined threshold value is 1 ampere.
7. according to the charger described in claim 1, it is characterised in that described power supply chip includes current value and deposits
Device；Described processor is by power supply chip output described first reverse current or second described in described current value register controlled
Reverse current.
Charger the most according to claim 1, it is characterised in that described charger be following any one: intelligence
Mobile phone or panel computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620600507.5U CN205846767U (en) | 2016-06-17 | 2016-06-17 | Charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620600507.5U CN205846767U (en) | 2016-06-17 | 2016-06-17 | Charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205846767U true CN205846767U (en) | 2016-12-28 |
Family
ID=58153018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620600507.5U Expired - Fee Related CN205846767U (en) | 2016-06-17 | 2016-06-17 | Charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205846767U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026247A (en) * | 2016-06-17 | 2016-10-12 | 上海与德通讯技术有限公司 | Charging equipment and charging method thereof |
| WO2020125492A1 (en) * | 2018-12-21 | 2020-06-25 | 苏州宝时得电动工具有限公司 | Robot cleaner, cleaning method and automatically charging system |
-
2016
- 2016-06-17 CN CN201620600507.5U patent/CN205846767U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106026247A (en) * | 2016-06-17 | 2016-10-12 | 上海与德通讯技术有限公司 | Charging equipment and charging method thereof |
| WO2020125492A1 (en) * | 2018-12-21 | 2020-06-25 | 苏州宝时得电动工具有限公司 | Robot cleaner, cleaning method and automatically charging system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161228 Termination date: 20190617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |