CN106300482A - A kind of charger and control method thereof - Google Patents
A kind of charger and control method thereof Download PDFInfo
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- CN106300482A CN106300482A CN201510308963.2A CN201510308963A CN106300482A CN 106300482 A CN106300482 A CN 106300482A CN 201510308963 A CN201510308963 A CN 201510308963A CN 106300482 A CN106300482 A CN 106300482A
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- charger
- charging port
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- control
- power supply
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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 charger control method, described method includes: when accessing currently without terminal according to the first parameter determination of charging port, controls described charger and is in external power supply off-state.The invention also discloses a kind of charger.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of charger and control method thereof.
Background technology
Along with the development of terminal unit, the integrated function of terminal unit also gets more and more, more and more novel,
But thing followed Overall Power Consumption is more and more prominent.When the battery electric quantity deficiency of terminal unit it is necessary to and
Time supplement electricity with charger, and Most users is for convenience, is inserted in supply socket by charger always,
Charger remains electriferous state, so, and the spontaneous combustion that charger long-term work causes, or terminal unit
When not accessing charger, charged charging port is contained in the accidents such as the electric shock that causes in mouth and happens occasionally by child.
And the existing correlation technique controlling charger break-make, can not intelligence according to whether terminal is connect
The state entering charger realizes automatically powering off control, and utilization rate of electrical is low；Therefore it provides a kind of charger
And control program, it is possible to automatically power off when terminal does not accesses, eliminate safe hidden trouble, improve utilization of power
Rate, it has also become problem demanding prompt solution.
Summary of the invention
In view of this, embodiment of the present invention expectation provides a kind of charger and control method thereof, it is possible in terminal
Automatically power off when not accessing, eliminate safe hidden trouble, improve utilization rate of electrical, strengthen Consumer's Experience sense.
For reaching above-mentioned purpose, the technical scheme of the embodiment of the present invention is achieved in that
Embodiments providing a kind of charger control method, described method includes:
When accessing currently without terminal according to the first parameter determination of charging port, control described charger and be in
External power supply off-state.
In such scheme, described method also includes:
When having terminal to access according to the first parameter determination of charging port, control described charger and be in external electricity
Source connected state.
In such scheme, described first parameter is electric capacity；
Accordingly, described the first parameter determination according to charging port accesses currently without terminal and includes:
Control charger internal power work, and charging port capacitance size is detected, fill when detecting
When the capacitance size of electricity port is not above first threshold, determine that described charger accesses currently without terminal.
In such scheme, after the described charger of described control is in external power supply connected state, described method
Also include:
When being removed according to terminal described in the second parameter determination of charging port, control outside described charger is in
Connect power-off state.
In such scheme, described second parameter is electric current；
Accordingly, described being removed according to terminal described in the second parameter determination of charging port includes:
The size of current of detection charging port, whether less than Second Threshold, if less than Second Threshold, determines institute
State terminal to be removed.
In such scheme, after the described charger of described control is in external power supply connected state, described method
Also include: the internal electric source for described charger is charged.
The embodiment of the present invention additionally provides a kind of charger, and described charger includes: first determines module and control
Molding block；Wherein,
Described first determines module, accesses currently without terminal for the first parameter determination according to charging port
Time, trigger control module；
Described control module, is used for controlling described charger and is in external power supply off-state.
In such scheme, described first determines module, and the first parameter determination being additionally operable to foundation charging port has
When terminal accesses, trigger control module；
Accordingly, described control module, it is additionally operable to control described charger and is in external power supply connected state.
In such scheme, described first parameter is electric capacity；
Described control module, is additionally operable to control charger internal power work；
Accordingly, described first determines module, specifically for charging port capacitance size is detected, when
Detect when the capacitance size of charging port is not above first threshold, determine that described charger is currently without end
Terminate into.
In such scheme, described charger also includes that second determines module, for according to the second of charging port
When terminal is removed described in parameter determination, triggers the described control module described charger of control and be in power supply disconnection
State.
In such scheme, described second parameter is electric current；
Accordingly, described second determines module, and whether the size of current specifically for detection charging port is less than
Second Threshold, if less than Second Threshold, determines that described terminal is removed.
In such scheme, described charger also includes power management module, for the inside for described charger
Power supply is charged.
The embodiment of the present invention additionally provides a kind of charger, it is characterised in that described charger includes: capacitance-resistance
RC bridge circuit and control circuit；Wherein,
Described RC bridge circuit, accesses currently without terminal for the first parameter determination according to charging port
Time, trigger control circuit；
Described control circuit, is used for controlling described charger and is in external power supply off-state.
In such scheme, described RC bridge circuit is additionally operable to there is end according to the first parameter determination of charging port
Terminate fashionable, trigger control circuit；
Accordingly, described control circuit, it is additionally operable to control described charger and is in external power supply connected state.
In such scheme, described first parameter is electric capacity；
Described control circuit, is additionally operable to control charger internal power work；
Accordingly, described RC bridge circuit, specifically for charging port capacitance size is detected, when
Detect when the capacitance size of charging port is not above first threshold, determine that described charger is currently without end
Terminate into.
In such scheme, described charger also includes current detection circuit, for according to the second of charging port
When terminal is removed described in parameter determination, triggers the described control circuit described charger of control and be in power supply disconnection
State.
In such scheme, described second parameter is electric current；
Accordingly, described current detection circuit, whether the size of current specifically for detection charging port is less than
Second Threshold, if less than Second Threshold, determines that described terminal is removed.
In such scheme, described charger also includes Power Management Unit, for the inside for described charger
Power supply is charged.
Charger that the embodiment of the present invention is provided and control method thereof, the first parameter according to charging port is true
When determining to access currently without terminal, control described charger and be in external power supply off-state.So, it is possible
Automatically power off when terminal does not accesses, eliminate safe hidden trouble, improve utilization rate of electrical, strengthen Consumer's Experience sense；
It is prevented effectively from the spontaneous combustion that charger long-term work causes, or when terminal does not accesses, child fills charged accidentally
Electricity port is contained in mouth the accidents such as electric shock.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention one charger control method schematic flow sheet；
Fig. 2 is the embodiment of the present invention two charger control method schematic flow sheet；
Fig. 3 is that the embodiment of the present invention one charger forms structural representation；
Fig. 4 is that the embodiment of the present invention two charger forms structural representation.
Detailed description of the invention
In embodiments of the present invention, connect currently without terminal according to the first parameter determination charger of charging port
Fashionable, control described charger and be in external power supply off-state.
Embodiment one
Fig. 1 show the embodiment of the present invention one charger control method schematic flow sheet, as it is shown in figure 1, this
Inventive embodiments charger control method includes:
Step 101: when accessing currently without terminal according to the first parameter determination of charging port, controls described
Charger is in external power supply off-state；
Here, described charging port can be USB port；Described external power supply can be the external electricity of 220V
Source.
Further, before this step, described method also includes: charger connection external power supply, and initially
Change described charger.
Further, described method also includes: when having terminal to access according to the first parameter determination of charging port,
Control described charger and be in external power supply connected state；
Wherein, described first parameter can be electric capacity；
Accordingly, the most whether have terminal to access according to the first parameter determination of charging port to include:
Control charger internal power work, and whether the capacitance size detecting charging port exceed first threshold,
Without exceeding, determine that described charger accesses currently without terminal；If the capacitance size of charging port
Exceed first threshold, determine that described charger currently has terminal to access；
Here, described first threshold can be set according to being actually needed, in one embodiment, and described
One threshold value can be 9 microfarads (uF)；
Whether the capacitance size of described detection charging port exceedes first threshold includes:
Charging port is periodically detected according to capacitance-resistance (RC, Resistance Capacitance) bridge circuit
Capacitance size whether exceed first threshold；
Here, the described cycle can be set according to needs, and in one embodiment, the described cycle can be
1 minute, and according to described RC bridge circuit carry out detection only need to control the internal electric source of charger per minute to
The high level of a n second sent out by described RC bridge circuit, and in one embodiment, described n can be 10.
Further, the described charger of described control is in external power supply off-state and includes:
Control the switch of the external power supply in described charger to be off；
Here, described external power supply switch can be relay switch, in one embodiment, can be 220V
Relay switch.
Further, the described charger of described control is in external power supply connected state and includes:
The internal power switch controlling described charger is off, and outside controlling in described charger
Connect on and off switch and be in closure state, so that the exchange (AC) in charger/direct current (DC) module work；
Described AC/DC module, for described exchange external power supply is converted to be suitable for the unidirectional current of terminal requirements,
In one embodiment, can be that 220V alternating current is converted to 5V unidirectional current.
Further, after the described charger of described control is in external power supply connected state, described method is also
Including:
When being removed according to terminal described in the second parameter determination of charging port, control outside described charger is in
Connect power-off state；
Here, described second parameter can be electric current；
Accordingly, whether terminal described in the second parameter determination of foundation charging port is removed and includes:
Whether the size of current of detection charging port is less than Second Threshold in real time, if less than Second Threshold, really
Fixed described terminal is removed；If not less than Second Threshold, determining that described terminal is not yet removed；Wherein,
Described Second Threshold can be set according to being actually needed, and in one embodiment, described Second Threshold is permissible
It is 50 milliamperes (mA).
Further, after the described charger of described control is in external power supply connected state, described method is also
Including: the internal electric source for described charger is charged；
Wherein, described internal electric source can be button cell etc.；
Internal electric source for described charger is charged including: detect the state that described internal electric source is current,
It is the charging of described internal electric source according to the status information Enable/Disable of described internal electric source；Described status information bag
Include: the charging voltage etc. of described internal electric source.
Embodiment two
Fig. 2 show the embodiment of the present invention two charger control method schematic flow sheet, as in figure 2 it is shown, this
Inventive embodiments charger control method includes:
Step 201: charger connects external power supply, and initializes described charger；
In the present embodiment, described external power supply can be 220V external power supply.
Step 202: judge whether charger has terminal to access according to the first parameter of charging port, if it has,
Perform step 203；Otherwise perform step 206；
In the present embodiment, described charging port is USB port；Described first parameter is electric capacity；
This step specifically includes: control charger internal power work, and the capacitance size of detection charging port is
No exceed first threshold, without exceeding, determine that described charger accesses currently without terminal；If filled
The capacitance size of electricity port exceedes first threshold, determines that described charger currently has terminal to access；
Here, described first threshold can be set according to being actually needed, in the present embodiment, and described
One threshold value is 9uF；
Whether the capacitance size of described detection charging port exceedes first threshold includes:
Whether the capacitance size periodically detecting charging port according to RC bridge circuit exceedes first threshold；
Here, the described cycle can be set according to needs, and in the present embodiment, the described cycle is 1 minute.
Step 203: control described charger and be in external power supply connected state, and be the inside electricity of charger
Charge in source；
The described charger of described control is in external power supply connected state and includes:
The internal power switch controlling described charger is off, and outside controlling in described charger
Connect on and off switch and be in closure state, so that the AC/DC module work in charger；
Described external power supply switch can be relay switch, in the present embodiment, can be 220V relay
Device switchs；
The internal electric source of described charger can be button cell etc..
Step 204: judge whether described terminal is removed, if moved according to the second parameter of charging port
Remove, perform step 205；If be not removed, perform step 204；
In the present embodiment, described second parameter is electric current；
This step specifically includes: whether the size of current of detection charging port is less than Second Threshold in real time, if
Less than Second Threshold, determine that described terminal is removed；If not less than Second Threshold, determining described terminal
Not yet it is removed；Wherein, described Second Threshold can be set according to being actually needed, in the present embodiment,
Described Second Threshold is 50mA.
Step 205: control described charger and be in external power supply off-state, and perform step 202；
This step includes: controls the switch of the external power supply in described charger and is off, and controls institute
The internal power switch stating charger is in closure state.
Step 206: control described charger and be in external power supply off-state, and perform step 202.
Embodiment three
Fig. 3 is that the embodiment of the present invention one charger forms structural representation；As it is shown on figure 3, the present invention implements
Example charger composition includes: first determines module 31 and control module 32；Wherein,
Described first determines module 31, connects currently without terminal for the first parameter determination according to charging port
Fashionable, trigger control module；
Described control module 32, is used for controlling described charger and is in external power supply off-state；
Here, described charging port can be USB port；Described external power supply can be the external electricity of 220V
Source；
Described control module 32, is in disconnection shape specifically for controlling the external power supply switch in described charger
State；
Here, described external power supply switch can be relay switch, in one embodiment, can be 220V
Relay switch.
Further, described control module 32, it is additionally operable to, when charger connects external power supply, initialize institute
State charger.
Further, described first determines module 31, and the first parameter determination being additionally operable to foundation charging port has
When terminal accesses, trigger control module 32；
Accordingly, described control module 32, it is additionally operable to control described charger and is in external power supply connected state.
Further, described first parameter is electric capacity；Described control module 32, is additionally operable to control in charger
Portion's power work；
Accordingly, described first determines module 31, and whether the capacitance size specifically for detection charging port surpasses
Cross first threshold, without exceeding, determine that described charger accesses currently without terminal；If charging end
The capacitance size of mouth exceedes first threshold, determines that described charger currently has terminal to access；
Here, described first threshold can be set according to being actually needed, in one embodiment, and described
One threshold value can be 9 microfarads (uF)；
Described first determines that module 31 detects the capacitance size of charging port and whether exceedes first threshold and include:
First determines that module 31 periodically detects the capacitance size of charging port and whether exceedes first threshold；This
In, the described cycle can be set according to needs, and in one embodiment, the described cycle can be 1 minute
Or 30 seconds etc., accordingly, described control module 32, it is additionally operable to control internal electric source each week of charger
Phase sends out the high level of a n second to described RC bridge circuit, and in one embodiment, described n can be 10.
Further, described control module 32, the internal power switch being additionally operable to control described charger is in
Off-state, and the external power supply switch controlled in described charger is in closure state, so that in charger
AC/DC module 34 work；Described AC/DC module, for being converted to described exchange external power supply
It is suitable for the unidirectional current of terminal requirements, in one embodiment, can be that 220V alternating current is converted to 5V direct current
Electricity.
Further, described charger also includes that second determines module 33, for according to the second of charging port
When described in parameter determination, terminal is removed, trigger described control module 31 control described charger be in power supply break
Open state.
Further, described second parameter is electric current；
Accordingly, described second determines module 33, and the size of current specifically for detection charging port is the least
In Second Threshold, if less than Second Threshold, determine that described terminal is removed；If not less than the second threshold
Value, determines that described terminal is not yet removed；Wherein, described Second Threshold can set according to being actually needed
Fixed, in one embodiment, described Second Threshold can be 50mA.
Further, described charger also includes power management module 35, for the inside for described charger
Power supply is charged；Wherein, described internal electric source can be button cell etc..
Fig. 4 is that the embodiment of the present invention two charger forms structural representation；As shown in Figure 4, the present invention implements
Example charger composition includes: RC bridge circuit 41 and control circuit 42；Wherein,
Described RC bridge circuit 41, connects currently without terminal for the first parameter determination according to charging port
Fashionable, trigger control circuit 42；
Described control circuit 42, is used for controlling described charger and is in external power supply off-state；
Here, described charging port can be USB port；Described external power supply can be the external electricity of 220V
Source；
Described control circuit 42, is in disconnection shape specifically for controlling the external power supply switch in described charger
State；
Wherein, described external power supply switch can be relay switch, in one embodiment, can be 220V
Relay switch.
Further, described control circuit 42, it is additionally operable to, when charger connects external power supply, initialize institute
State charger.
Further, described RC bridge circuit 41 is additionally operable to there is end according to the first parameter determination of charging port
Terminate fashionable, trigger control circuit 42；
Accordingly, described control circuit 42, it is additionally operable to control described charger and is in external power supply connected state.
Further, described first parameter is electric capacity；
Described control circuit 42, is additionally operable to control charger internal power work；
Accordingly, described RC bridge circuit 41, specifically for charging port capacitance size is detected,
When capacitance size charging port being detected is not above first threshold, determine described charger currently without
Terminal accesses；When capacitance size charging port being detected exceedes first threshold, determine that described charger is worked as
Before have terminal to access；
Here, described first threshold can be set according to being actually needed, in one embodiment, and described
One threshold value can be 9uF.
Further, described RC bridge circuit 41, specifically for periodically detecting the electric capacity of charging port
Whether size exceedes first threshold；Here, the described cycle can be set according to needs, in an embodiment
In, the described cycle can be 1 minute or 30 seconds etc., accordingly, described control circuit, it is additionally operable to control and fills
Internal electric source each cycle of electrical equipment sends out the high level of a n second to described RC bridge circuit, implements one
In example, described n can be 10.
Further, described control circuit 42, the internal power switch being additionally operable to control described charger is in
Off-state, and the external power supply switch controlled in described charger is in closure state, so that in charger
AC/DC circuit 43 work；Described AC/DC circuit 43, for changing described exchange external power supply
For the unidirectional current of applicable terminal requirements, in one embodiment, can be that 220V alternating current is converted to 5V is straight
Stream electricity.
Further, described charger also includes current detection circuit 44, for according to the second of charging port
When described in parameter determination, terminal is removed, trigger described control circuit 42 control described charger be in power supply break
Open state.
Further, described second parameter is electric current；
Accordingly, described current detection circuit 44, the size of current specifically for detection charging port is the least
In Second Threshold, if less than Second Threshold, determine that described terminal is removed；If not less than the second threshold
Value, determines that described terminal is not yet removed；Wherein, described Second Threshold can set according to being actually needed
Fixed, in one embodiment, described Second Threshold can be 50mA.
Further, described charger also includes Power Management Unit 45, for the inside for described charger
Power supply is charged；Wherein, described internal electric source can be button cell etc..
In embodiments of the present invention, described first determine module 31, control module 32, second determine module
33, AC/DC module 34 and power management module 35 all can be by central processing unit (CPU, the Central in terminal
Processing Unit) or digital signal processor (DSP, Digital Signal Processor) or scene can
Programming gate array (FPGA, Field Programmable Gate Array) or integrated circuit (ASIC,
Application Specific Integrated Circuit) realize.
The above, only present pre-ferred embodiments, it is not intended to limit protection scope of the present invention.
Claims (18)
1. a charger control method, it is characterised in that described method includes:
When accessing currently without terminal according to the first parameter determination of charging port, control described charger and be in
External power supply off-state.
Method the most according to claim 1, it is characterised in that described method also includes:
When having terminal to access according to the first parameter determination of charging port, control described charger and be in external electricity
Source connected state.
Method the most according to claim 1 or claim 2, it is characterised in that described first parameter is electric capacity；
Accordingly, described the first parameter determination according to charging port accesses currently without terminal and includes:
Control charger internal power work, and charging port capacitance size is detected, fill when detecting
When the capacitance size of electricity port is not above first threshold, determine that described charger accesses currently without terminal.
Method the most according to claim 2, it is characterised in that the described charger of described control is in external
After power supply connected state, described method also includes:
When being removed according to terminal described in the second parameter determination of charging port, control outside described charger is in
Connect power-off state.
Method the most according to claim 4, it is characterised in that described second parameter is electric current；
Accordingly, described being removed according to terminal described in the second parameter determination of charging port includes:
The size of current of detection charging port, whether less than Second Threshold, if less than Second Threshold, determines institute
State terminal to be removed.
Method the most according to claim 2, it is characterised in that the described charger of described control is in external
After power supply connected state, described method also includes: the internal electric source for described charger is charged.
7. a charger, it is characterised in that described charger includes: first determines module and control module；
Wherein,
Described first determines module, accesses currently without terminal for the first parameter determination according to charging port
Time, trigger control module；
Described control module, is used for controlling described charger and is in external power supply off-state.
Charger the most according to claim 7, it is characterised in that described first determines module, is additionally operable to
When having terminal to access according to the first parameter determination of charging port, trigger control module；
Accordingly, described control module, it is additionally operable to control described charger and is in external power supply connected state.
9. according to charger described in claim 7 or 8, it is characterised in that described first parameter is electric capacity；
Described control module, is additionally operable to control charger internal power work；
Accordingly, described first determines module, specifically for charging port capacitance size is detected, when
Detect when the capacitance size of charging port is not above first threshold, determine that described charger is currently without end
Terminate into.
Charger the most according to claim 8, it is characterised in that described charger also includes that second is true
Cover half block, during for being removed according to terminal described in the second parameter determination of charging port, triggers described control
Module controls described charger and is in power-off state.
11. chargers according to claim 10, it is characterised in that described second parameter is electric current；
Accordingly, described second determines module, and whether the size of current specifically for detection charging port is less than
Second Threshold, if less than Second Threshold, determines that described terminal is removed.
12. chargers according to claim 8, it is characterised in that described charger also includes power supply pipe
Reason module, is charged for the internal electric source for described charger.
13. 1 kinds of chargers, it is characterised in that described charger includes: capacitance-resistance RC bridge circuit and control
Circuit processed；Wherein,
Described RC bridge circuit, accesses currently without terminal for the first parameter determination according to charging port
Time, trigger control circuit；
Described control circuit, is used for controlling described charger and is in external power supply off-state.
14. according to charger described in claim 13, it is characterised in that described RC bridge circuit is additionally operable to
When having terminal to access according to the first parameter determination of charging port, trigger control circuit；
Accordingly, described control circuit, it is additionally operable to control described charger and is in external power supply connected state.
15. according to charger described in claim 13 or 14, it is characterised in that described first parameter is electricity
Hold；
Described control circuit, is additionally operable to control charger internal power work；
Accordingly, described RC bridge circuit, specifically for charging port capacitance size is detected, when
Detect when the capacitance size of charging port is not above first threshold, determine that described charger is currently without end
Terminate into.
16. according to charger described in claim 14, it is characterised in that described charger also includes that electric current is examined
Slowdown monitoring circuit, during for being removed according to terminal described in the second parameter determination of charging port, triggers described control
Circuit controls described charger and is in power-off state.
17. according to charger described in claim 16, it is characterised in that described second parameter is electric current；
Accordingly, described current detection circuit, whether the size of current specifically for detection charging port is less than
Second Threshold, if less than Second Threshold, determines that described terminal is removed.
18. according to charger described in claim 14, it is characterised in that described charger also includes power supply pipe
Reason unit, is charged for the internal electric source for described charger.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510308963.2A CN106300482A (en) | 2015-06-05 | 2015-06-05 | A kind of charger and control method thereof |
| PCT/CN2015/095396 WO2016192335A1 (en) | 2015-06-05 | 2015-11-24 | Charger, charger control method and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510308963.2A CN106300482A (en) | 2015-06-05 | 2015-06-05 | A kind of charger and control method thereof |
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| CN106300482A true CN106300482A (en) | 2017-01-04 |
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| CN201510308963.2A Withdrawn CN106300482A (en) | 2015-06-05 | 2015-06-05 | A kind of charger and control method thereof |
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| CN (1) | CN106300482A (en) |
| WO (1) | WO2016192335A1 (en) |
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| CN104362708A (en) * | 2014-12-04 | 2015-02-18 | 天津欧琳电子有限公司 | Device for detecting mobile phone charging |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108134434A (en) * | 2018-02-07 | 2018-06-08 | 朱孔兴 | It is a kind of to give electric control system and its method of work automatically |
| CN109995107A (en) * | 2019-03-29 | 2019-07-09 | 联想(北京)有限公司 | A kind of detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016192335A1 (en) | 2016-12-08 |
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Application publication date: 20170104 |