CN106300456A - A kind of current-collecting device realizing charging and electric supply installation - Google Patents
A kind of current-collecting device realizing charging and electric supply installation Download PDFInfo
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- CN106300456A CN106300456A CN201510254420.7A CN201510254420A CN106300456A CN 106300456 A CN106300456 A CN 106300456A CN 201510254420 A CN201510254420 A CN 201510254420A CN 106300456 A CN106300456 A CN 106300456A
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- current
- supply installation
- electric supply
- collecting device
- charging unit
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- 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
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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 kind of current-collecting device realizing charging and electric supply installation, current-collecting device includes built-in charging unit, controls parts and gating component, wherein, gating component, it is connected with electric supply installation by control line ID and supply lines Vbus, for exporting the first charging current and the second charging current respectively to the positive pole of rechargable power supplies and built-in charging unit；When current-collecting device is connected with the electric supply installation including external charging unit: gating component is for connecting supply lines Vbus and the outfan of the first charging current；Control parts to power for starting external charging unit by control line ID.The technical scheme provided by the present invention, it is achieved that the caloric value of the charging unit in reduction current-collecting device when bigger charging current for charging, it is ensured that the stability of terminal, thus ensure that the Consumer's Experience of terminal.
Description
Technical field
The present invention relates to power supply technique, a kind of current-collecting device realizing charging and electric supply installation.
Background technology
It is known that in terminal such as mobile terminal such as mobile phone or portable terminal device such as notebook computer,
Rechargable power supplies such as rechargeable battery is generally used to be powered.When the electric energy of rechargable power supplies is reduced to necessarily
During degree, need to charge for it.From the point of view of as a example by mobile terminal, generally by the confession outside mobile terminal
Current-collecting device within electric installation and mobile terminal is rechargable power supplies charging, in charging, current-collecting device
Obtain electric energy from electric supply installation and charge for rechargeable battery.According to the source of the electric energy that electric supply installation provides,
Electric supply installation is divided into wall charging (Wall Charger) and by USB (universal serial bus) (USB, Universal
Serial Bus) charging etc..
Fig. 1 is the composition structural representation of existing current-collecting device embodiment, as it is shown in figure 1, current-collecting device
At least include charging unit such as charging chip and control parts such as central processing unit (CPU).Wherein,
Charging unit, is connected with electric supply installation by the supply lines Vbus in USB, by controlling bus
CB is connected with controlling parts, is mainly used in i.e. carrying out the electric energy on supply lines Vbus the electricity of self-power supply device
Charging current can be converted into；And, the status information of periodic detection rechargable power supplies such as electric energy and temperature etc..
Control parts, by the data wire D+ in USB, data wire D-and control line ID and electric supply installation
Connect, for when detecting that electric supply installation is connected with current-collecting device, detect electric supply installation type, and root
Control the charging current of charging unit by controlling bus CB according to electric supply installation type；And, periodically pass through
Control bus CB and obtain the status information of the rechargable power supplies that charging unit detects, and according to the shape obtained
State information adjusts charging current by controlling bus CB, such as, when status information instruction temperature is too high,
Instruction charging unit reduces charging current.As shown in Figure 1 in current-collecting device, connecting wires in USB interface
GND ground connection.
In current-collecting device as shown in Figure 1, when control line ID is non-zero level, control parts detection
Go out electric supply installation to be connected with current-collecting device；When control line ID is zero level, if charging unit detects
There is level change on supply lines Vbus, notice controls parts electric supply installation and is connected with current-collecting device, so that
Control parts and detect that electric supply installation is connected with current-collecting device.Detect electric supply installation when controlling parts and be subject to
After electric installation connects, control parts and supply Denso by control line ID, data wire D+ and data wire D-detection
Put type.Specifically, when control line ID is non-zero level, electric supply installation type is On-The-Go
(OTG), when control line ID is zero level, parts are controlled by detecting according to line D+ and data wire D-
Electric supply installation type is Wall Charger or USB charging.Parts are controlled when control line ID is zero level
How to detect electric supply installation type, belong to the conventional techniques means of those skilled in the art, the most superfluous
State.
In order to meet the market demand for mobile terminal quick charge, the charging part in existing current-collecting device
Part is typically configured as using bigger charging current to be charged, due to charging unit caloric value along with
Charging current increases and increases, and the caloric value of mobile terminal increases the most therewith, such as when external temperature is higher,
When there will be charging, more than heat dissipation capacity, constant temperature raises, when temperature is increased to the caloric value of mobile terminal
Time to a certain degree, mobile terminal stability reduces mobile terminal performance such as and reduces, and the machine of delaying even occurs, from
And reduce the Consumer's Experience of terminal.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of current-collecting device realizing charging and power supply
Device, current-collecting device of the present invention can compatible existing type electric supply installation and electric supply installation of the present invention, when adopting
When charging with electric supply installation of the present invention, it is achieved reduce filling in current-collecting device when bigger charging current for charging
The caloric value of electricity parts, it is ensured that the stability of terminal, thus ensure the Consumer's Experience of terminal.
In order to reach the object of the invention, the invention discloses a kind of current-collecting device, including built-in charging unit,
Control parts and gating component, wherein,
Control parts, be connected with built-in charging unit, by data wire D and control by controlling bus CB
Line ID processed is connected with electric supply installation；
Gating component, is connected with electric supply installation by control line ID and supply lines Vbus, for the most defeated
Go out the first charging current and the second charging current to the positive pole of rechargable power supplies and built-in charging unit；
When current-collecting device is connected with the electric supply installation including external charging unit: gating component is for even
Logical supply lines Vbus and the outfan of the first charging current；Control parts for being started by control line ID
External charging unit is powered.
When described current-collecting device is connected with the electric supply installation not containing external charging unit:
Described gating component is additionally operable to connect supply lines Vbus and the outfan of the second charging current；
Described control parts are additionally operable to start described built-in charging unit by described control bus CB and power；
Wherein, described built-in charging unit output the 3rd charging current is to described rechargable power supplies.
When described control parts detect that described current-collecting device is connected with described electric supply installation, described control
Parts are additionally operable to: detect the type of described electric supply installation；Wherein, described electric supply installation type include novel,
The charging of On-The-Go OTG, wall and general-purpose serial bus USB charging；
For described control parts, when the electric supply installation type that described control parts detect is novel,
Described current-collecting device is connected with the electric supply installation including described external charging unit；
For described gating component, when control line ID is non-zero level, described current-collecting device with include
The electric supply installation of described external charging unit connects.
When described control parts detect that described current-collecting device is connected with described electric supply installation, described control
Parts are additionally operable to: detect described electric supply installation type；Wherein, described electric supply installation type include novel,
The charging of OTG, wall and USB charging；
For described control parts, the electric supply installation type detected when described control parts for except novel it
During other type outer, described current-collecting device is connected with the electric supply installation not containing described external charging unit；
For described gating component, when control line ID is zero level, described current-collecting device with without
The electric supply installation stating external charging unit connects.
Described control parts detect described electric supply installation type time specifically for: if control line ID is first
Non-zero level, is set to novel by described electric supply installation type；If control line ID is the second non-zero level,
Described electric supply installation type is set to OTG；If control line ID is zero level, by data wire D
Detect described electric supply installation type.
Data wire D includes data wire D+ and data wire D-；Now, described supply lines Vbus, data wire
D, control line ID and earth lead GND constitute general-purpose serial bus USB.
The invention also discloses a kind of electric supply installation, including component for variable-pressure and external charging unit, wherein,
Component for variable-pressure is converted into the direct current measurement of its outfan for the ac electric being inputted end；
External charging unit, its input is connected to the outfan of component for variable-pressure, by supply lines Vbus,
The GND and control line ID that connects wires is connected to current-collecting device.
In first embodiment of the invention, the data wire D of electric supply installation is unsettled.
Described data D include data wire D+ and data wire D-；Now, described supply lines Vbus, data
Line D, control line ID and earth lead GND constitute USB.
Compared with prior art, current-collecting device of the present invention includes: built-in charging unit, control parts and choosing
Logical parts, wherein, control parts, are connected with built-in charging unit by controlling bus CB, pass through data
Line D and control line ID is connected with electric supply installation；Gating component, by control line ID and supply lines Vbus
It is connected with electric supply installation, for exporting the first charging current and the second charging current to rechargable power supplies respectively
Positive pole and built-in charging unit；When current-collecting device is connected with the electric supply installation including external charging unit
Time: gating component is for connecting supply lines Vbus and the outfan of the first charging current；Control parts to be used for
Start external charging unit by control line ID to power.When current-collecting device of the present invention with include external charging
When the electric supply installation of parts connects, current-collecting device of the present invention is by the first charging from external charging unit
Electric current is rechargable power supplies charging, while supporting bigger charging current for charging, owing to avoiding by Denso
Charge inside parts in putting produce bigger charging current, therefore effectively reduce sending out of built-in charging unit
Heat, it is ensured that the stability of terminal, and current-collecting device of the present invention is by comprising built-in charging unit
Supporting to use the charging of built-in charging unit, therefore technical solution of the present invention can the power supply of compatible existing type
Device such as Wall Charger type electric supply installation.
Other features and advantages of the present invention will illustrate in the following description, and, partly from froming the perspective of
Bright book becomes apparent, or understands by implementing the present invention.The purpose of the present invention is excellent with other
Point can be realized by structure specifically noted in description, claims and accompanying drawing and be obtained
?.
Accompanying drawing explanation
Accompanying drawing is used for providing being further appreciated by technical solution of the present invention, and constitutes one of description
Point, it is used for explaining technical scheme together with embodiments herein, is not intended that the present invention
The restriction of technical scheme.
Fig. 1 is the composition structural representation of existing current-collecting device embodiment；
Fig. 2 is the composition structural representation of current-collecting device of the present invention；
Fig. 3 is the composition structural representation of electric supply installation of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing
Embodiments of the invention are described in detail.It should be noted that in the case of not conflicting, this Shen
Embodiment in please and the feature in embodiment can mutual combination in any.
Can be at the computer of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing
System performs.And, although show logical order in flow charts, but in some cases,
Can be to be different from the step shown or described by order execution herein.
Fig. 2 is the composition structural representation of current-collecting device of the present invention, as in figure 2 it is shown, include built-in charging
Parts, control parts and gating component.Wherein,
Control parts, be connected with built-in charging unit, by data wire D and control by controlling bus CB
Line ID processed is connected with electric supply installation.
In one embodiment of the invention, control parts and be connected with electric supply installation by USB interface, this
Time, data wire D includes data wire D+ and data wire D-.
Gating component, is connected with electric supply installation by control line ID and supply lines Vbus, for the most defeated
Go out the first charging current and the second charging current to the positive pole of rechargable power supplies and built-in charging unit.
Gating component can be single-pole double-throw switch (SPDT), under the control of control line ID, connects supply lines Vbus
Outfan or the outfan of the second charging current with the first charging current.Specifically,
When current-collecting device is connected with the electric supply installation including external charging unit: gating component is for even
Logical supply lines Vbus and the outfan of the first charging current；Control parts for being started by control line ID
External charging unit is powered.Now, current-collecting device is that rechargable power supplies charges by external charging unit.
Control parts and can be sent the order of instruction startup power supply by control line ID, start external charging part
Part is powered.It implements, and belongs to the conventional techniques means of those skilled in the art, is not used to limit
Protection scope of the present invention, here is omitted.
When current-collecting device is connected with the electric supply installation not containing external charging unit: gating component is additionally operable to
Connection supply lines Vbus and the outfan of the second charging current；Control parts to be additionally operable to by controlling bus
CB starts built-in charging unit and powers.Now, current-collecting device is rechargable power supplies by built-in charging unit
Charging.Wherein, built-in charging unit output the 3rd charging current is to rechargable power supplies.
When current-collecting device of the present invention is connected with the electric supply installation including external charging unit, the present invention supplies
Electric installation, by being that rechargable power supplies charges from the first charging current of external charging unit, is supported bigger
While charging current for charging, produce bigger charging owing to avoiding the charge inside parts in current-collecting device
Electric current, therefore effectively reduces the caloric value of built-in charging unit, it is ensured that the stability of terminal, and
Current-collecting device of the present invention is supported to use built-in charging unit to charge, therefore by comprising built-in charging unit
Technical solution of the present invention can the electric supply installation such as Wall Charger type electric supply installation of compatible existing type.
In one embodiment of the invention, controlling bus CB is internal integrated circuit (I2C) bus.
Illustrate below, control parts and gating component the most how to detect current-collecting device whether with include outside
The electric supply installation putting charging unit connects.
When controlling parts and detecting that current-collecting device is connected with electric supply installation, control parts and be additionally operable to: detection
The type of electric supply installation；Wherein, electric supply installation type includes novel, OTG, wall charging Wall charger
Charge with USB.Correspondingly,
For controlling parts, when the electric supply installation type that control parts detect is novel, current-collecting device
It is connected with the electric supply installation including external charging unit；When controlling the electric supply installation type that parts detect
During for other type in addition to novel, current-collecting device and do not contain the electric supply installation of external charging unit even
Connect.
It is easily understood that the control controlled in parts and existing current-collecting device in current-collecting device of the present invention
Parts, are required to detect current-collecting device type, and difference is, the current-collecting device type that the present invention detects
Also include " novel ".
Whether control parts detection current-collecting device was connected with electric supply installation implements, and belongs to this area skill
The conventional techniques means of art personnel, the protection domain being not intended to limit the present invention, here is omitted.
For gating component, when control line ID is non-zero level, current-collecting device with include external charging
The electric supply installation of parts connects；When control line ID is zero level, current-collecting device with do not contain external charging
The electric supply installation of parts connects.
Control parts detection electric supply installation type time specifically for: if control line ID is the first non-zero level,
Electric supply installation type is set to novel；If control line ID is the second non-zero level, by electric supply installation class
Type is set to OTG；If control line ID is zero level, detect electric supply installation type by data wire D.
Wherein, control parts implementing by data wire D detection electric supply installation type, belong to ability
The conventional techniques means of field technique personnel, the protection domain being not intended to limit the present invention, the most superfluous
State.
In one embodiment of the invention, data wire D includes data wire D+ and data wire D-；Power supply
Line Vbus, data wire D, control line ID and earth lead GND constitute USB such as Micro USB.
It should be noted that similar with the charging unit in existing current-collecting device, built-in charging unit is also used
In the status information of detection rechargable power supplies, control parts periodically by controlling the built-in charging of acquisition of bus CB
The status information of the rechargable power supplies that parts detect, and adjust the first charging according to the status information obtained
Electric current or the 3rd charging current.
Fig. 3 is the composition structural representation of electric supply installation of the present invention, as it is shown on figure 3, include component for variable-pressure
With external charging unit, wherein,
Component for variable-pressure such as transformator, is converted into the direct current of its outfan for being inputted the ac electric of end
Electricity；
External charging unit, its input is connected to the outfan of component for variable-pressure, by supply lines Vbus,
The GND and control line ID that connects wires is connected to current-collecting device.
In an embodiment of the invention, the data wire D of electric supply installation is unsettled.
In an embodiment of the invention, data D include data wire D+ and data wire D-；Supply lines Vbus,
Data wire D, control line ID and earth lead GND constitute USB.
After below electric supply installation of the present invention being connected to current-collecting device of the present invention, the work of current-collecting device of the present invention
It is introduced as principle.
Control parts and detect that current-collecting device is connected with electric supply installation, control parts detection electric supply installation type,
Electric supply installation type owing to detecting is novel, control parts detect current-collecting device with include external
The electric supply installation of charging unit connects, and controls parts and is powered by the control line ID external charging unit of startup.
When control line ID is non-zero level, gating component connects the defeated of supply lines Vbus and the first charging current
Go out end.After the control parts external charging unit of startup is powered, external charging unit is via Vbus, strobe portion
The outfan of the first charging current of part is rechargable power supplies charging.For in rechargable power supplies charging process,
The status information of built-in charging unit detection rechargable power supplies, is controlled parts and is periodically obtained by control bus CB
Take the status information of the rechargable power supplies that built-in charging unit detects, and adjust according to the status information obtained
Whole first charging current, such as, when the temperature controlling the status information display rechargable power supplies that parts obtain
During more than predetermined temperature threshold value, control parts and sent the life setting charging current by control line ID
Order, controls external power supply part by this command control unit and charging current is reduced to this order instruction
Numerical value.
Although the embodiment that disclosed herein is as it has been described above, but described content only readily appreciates this
The embodiment invented and use, is not limited to the present invention.Skill in any art of the present invention
Art personnel, on the premise of without departing from the spirit and scope that disclosed herein, can be in the form implemented
And in details, carry out any amendment and change, but the scope of patent protection of the present invention, still must be with appended
Claims are defined in the range of standard.
Claims (9)
1. a current-collecting device, including built-in charging unit and control parts, wherein, controls parts, logical
Cross control bus CB to be connected with built-in charging unit, by data wire D and control line ID and electric supply installation
Connect, it is characterised in that described current-collecting device also includes gating component；Wherein,
Gating component, is connected with electric supply installation by control line ID and supply lines Vbus, for the most defeated
Go out the first charging current and the second charging current to the positive pole of rechargable power supplies and built-in charging unit；
When current-collecting device is connected with the electric supply installation including external charging unit: gating component is for even
Logical supply lines Vbus and the outfan of the first charging current；Control parts for being started by control line ID
External charging unit is powered.
Current-collecting device the most according to claim 1, it is characterised in that when described current-collecting device with not
When electric supply installation containing external charging unit connects:
Described gating component is additionally operable to connect supply lines Vbus and the outfan of the second charging current；
Described control parts are additionally operable to start described built-in charging unit by described control bus CB and power；
Wherein, described built-in charging unit output the 3rd charging current is to described rechargable power supplies.
Current-collecting device the most according to claim 1, it is characterised in that when described control parts detect
Going out described current-collecting device when being connected with described electric supply installation, described control parts are additionally operable to: detect described confession
The type of electric installation；Wherein, described electric supply installation type includes novel, On-The-Go OTG, wall
Charging and general-purpose serial bus USB charge；
For described control parts, when the electric supply installation type that described control parts detect is novel,
Described current-collecting device is connected with the electric supply installation including described external charging unit；
For described gating component, when control line ID is non-zero level, described current-collecting device with include
The electric supply installation of described external charging unit connects.
Current-collecting device the most according to claim 2, it is characterised in that when described control parts detect
Going out described current-collecting device when being connected with described electric supply installation, described control parts are additionally operable to: detect described confession
Electric installation type；Wherein, described electric supply installation type includes that novel, OTG, wall charging and USB fill
Electricity；
For described control parts, the electric supply installation type detected when described control parts for except novel it
During other type outer, described current-collecting device is connected with the electric supply installation not containing described external charging unit；
For described gating component, when control line ID is zero level, described current-collecting device with without
The electric supply installation stating external charging unit connects.
5. according to the current-collecting device described in claim 3 or 4, it is characterised in that described control parts are examined
When surveying described electric supply installation type specifically for: if control line ID is the first non-zero level, by described confession
Electric installation type is set to novel；If control line ID is the second non-zero level, by described electric supply installation class
Type is set to OTG；If control line ID is zero level, detect described electric supply installation by data wire D
Type.
6. according to the current-collecting device described in any one of Claims 1 to 4, it is characterised in that data wire D bag
Include data wire D+ and data wire D-；Described supply lines Vbus, data wire D, control line ID and earth lead
GND constitutes general-purpose serial bus USB.
7. an electric supply installation, it is characterised in that include component for variable-pressure and external charging unit, wherein,
Component for variable-pressure is converted into the direct current measurement of its outfan for the ac electric being inputted end；
External charging unit, its input is connected to the outfan of component for variable-pressure, by supply lines Vbus,
The GND and control line ID that connects wires is connected to current-collecting device.
Electric supply installation the most according to claim 7, it is characterised in that D is unsettled for its data wire.
9. according to the electric supply installation described in claim 7 or 8, it is characterised in that described data D include
Data wire D+ and data wire D-；Described supply lines Vbus, data wire D, control line ID and earth lead
GND constitutes USB.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254420.7A CN106300456B (en) | 2015-05-18 | 2015-05-18 | Power receiving device and power supply device capable of realizing charging |
| PCT/CN2015/088406 WO2016183958A1 (en) | 2015-05-18 | 2015-08-28 | Power receiving device and power supply device for charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510254420.7A CN106300456B (en) | 2015-05-18 | 2015-05-18 | Power receiving device and power supply device capable of realizing charging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106300456A true CN106300456A (en) | 2017-01-04 |
| CN106300456B CN106300456B (en) | 2021-04-13 |
Family
ID=57319210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510254420.7A Active CN106300456B (en) | 2015-05-18 | 2015-05-18 | Power receiving device and power supply device capable of realizing charging |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106300456B (en) |
| WO (1) | WO2016183958A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070229025A1 (en) * | 2006-04-04 | 2007-10-04 | Kye Systems Corp. | Connector charger |
| CN101142734A (en) * | 2005-01-18 | 2008-03-12 | 日本电气株式会社 | Mobile terminal and battery charging method in mobile terminal |
| CN102833387A (en) * | 2011-06-15 | 2012-12-19 | 中兴通讯股份有限公司 | Mobile terminal and processing method thereof |
| CN103107575A (en) * | 2013-01-18 | 2013-05-15 | 华为终端有限公司 | Charging method, mobile equipment, charging equipment and charging system |
| CN103701182A (en) * | 2013-12-16 | 2014-04-02 | 小米科技有限责任公司 | Charger, electronic equipment and charging system |
-
2015
- 2015-05-18 CN CN201510254420.7A patent/CN106300456B/en active Active
- 2015-08-28 WO PCT/CN2015/088406 patent/WO2016183958A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101142734A (en) * | 2005-01-18 | 2008-03-12 | 日本电气株式会社 | Mobile terminal and battery charging method in mobile terminal |
| US20070229025A1 (en) * | 2006-04-04 | 2007-10-04 | Kye Systems Corp. | Connector charger |
| CN102833387A (en) * | 2011-06-15 | 2012-12-19 | 中兴通讯股份有限公司 | Mobile terminal and processing method thereof |
| CN103107575A (en) * | 2013-01-18 | 2013-05-15 | 华为终端有限公司 | Charging method, mobile equipment, charging equipment and charging system |
| CN103701182A (en) * | 2013-12-16 | 2014-04-02 | 小米科技有限责任公司 | Charger, electronic equipment and charging system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106300456B (en) | 2021-04-13 |
| WO2016183958A1 (en) | 2016-11-24 |
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