CN103513742B - Terminal device - Google Patents
Terminal device Download PDFInfo
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- CN103513742B CN103513742B CN201210223265.9A CN201210223265A CN103513742B CN 103513742 B CN103513742 B CN 103513742B CN 201210223265 A CN201210223265 A CN 201210223265A CN 103513742 B CN103513742 B CN 103513742B
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- Prior art keywords
- battery
- trigger circuit
- microcontroller
- terminal device
- switch unit
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Abstract
Terminal device, comprising: adapter input terminal configures to receive the input power from power supply adaptor；Cell input terminal configures to receive the input power from battery；System power supply output end, configuration to provide internal electric source to the system hardware module of the terminal device；First switch unit is arranged between the adapter input terminal and the system power supply output end；Second switch unit is arranged between the cell input terminal and the system power supply output end；Event trigger circuit configures to be based on preset incoming event signal, controls the conduction and cut-off of the first switch unit and the second switch unit.
Description
Technical field
The present invention relates to a kind of terminal devices, more particularly it relates to which a kind of have ultralow function in the power-offstate
The terminal device of consumption.
Background technique
Currently, popularizing with the portable terminal device of such as notebook etc, the field of employment of terminal device is becoming
It obtains more and more extensive.Due to the portability of terminal device, so that terminal device is often the case where no adapter is charged
It uses, and terminal device in the prior art can generate power consumption in the case of power-off and reduce terminal device
Cruising ability, therefore be reduced as far as power consumption under the off-mode of terminal device to guarantee the continuation of the journey of terminal device
Ability becomes extremely important.
Summary of the invention
In order to solve above-mentioned technical problem in the prior art, according to an aspect of the present invention, a kind of terminal device is provided,
Include: adapter input terminal, configures to receive the input power from power supply adaptor；Cell input terminal, configuration come to receive
From the input power of battery；System power supply output end, configuration to provide internal electricity to the system hardware module of the terminal device
Source；First switch unit is arranged between the adapter input terminal and the system power supply output end；Second switch list
Member is arranged between the cell input terminal and the system power supply output end；Event trigger circuit configures to be based on presetting
Incoming event signal, control the conduction and cut-off of the first switch unit and the second switch unit.
In addition, according to one embodiment of present invention, wherein the incoming event signal is off signal, and the thing
Part trigger circuit controls the first switch unit and second switch unit cut-off；Or the incoming event signal is
Starting-up signal, and the event trigger circuit controls the first switch unit and second switch unit conducting.
In addition, according to one embodiment of present invention, wherein the terminal device further comprises: microcontroller, configuration
The event trigger circuit is controlled, wherein the event trigger circuit can be generated based on the preset incoming event signal
Corresponding flag information；And the microcontroller is based on the flag information and controls the event trigger circuit.
In addition, according to one embodiment of present invention, wherein the incoming event signal is that battery accesses signal；The thing
Part trigger circuit generates identification information corresponding with battery access signal；And the microcontroller is from the event trigger circuit
Identification information corresponding with battery access signal is obtained, determines that the battery of the terminal device accesses based on the identification information,
And judge whether the adapter of terminal device accesses.
In addition, according to one embodiment of present invention, wherein if the microcontroller judges the suitable of the terminal device
Orchestration access, then the microcontroller judge the battery whether in full power state；If the battery is not in full electricity
State, then the microcontroller controls the adapter and charges to the battery；And if the battery is in full electricity
State, then the microcontroller controls the event trigger circuit for the first switch unit and the second switch list
Member cut-off.
In addition, according to one embodiment of present invention, wherein if the microcontroller judges the suitable of the terminal device
Orchestration does not access, then the microcontroller controls the event trigger circuit for the first switch unit and described second
Switch unit cut-off.
In addition, according to one embodiment of present invention, wherein the incoming event signal is that adapter accesses signal；It is described
Event trigger circuit generates identification information corresponding with adapter access signal；And the microcontroller is triggered from the event
Circuit obtains identification information corresponding with adapter access signal, and the adaptation of the terminal device is determined based on the identification information
Device access, and judge whether the battery of terminal device accesses.
In addition, according to one embodiment of present invention, wherein if the microcontroller judges the electricity of the terminal device
Pond access, then the microcontroller judge the battery whether in full power state；If the battery is not in full electric shape
State, then the microcontroller controls the adapter and charges to the battery；And if the battery is in full electric shape
State, then the microcontroller controls the event trigger circuit for the first switch unit and the second switch unit
Cut-off.
In addition, according to one embodiment of present invention, wherein if the microcontroller judges the electricity of the terminal device
Chi Wei access, then the microcontroller controls the event trigger circuit and opens the first switch unit and described second
Close unit cut-off.
Detailed description of the invention
Fig. 1 is the schematic diagram for illustrating terminal device according to an embodiment of the invention；And
Fig. 2 is the schematic diagram for illustrating terminal device in accordance with another embodiment of the present invention.
Specific embodiment
It will be described in detail with reference to the accompanying drawings each embodiment according to the present invention.Here it is to be noted that it in the accompanying drawings,
It assigns identical appended drawing reference to component part substantially with same or like structure and function, and will omit about it
Repeated description.
Terminal device according to an embodiment of the present invention is described next, with reference to Fig. 1.Here, according to an embodiment of the present invention
Terminal device can be laptop.
As shown in Figure 1, terminal device according to an embodiment of the present invention can be defeated including at least adapter input terminal 1, battery
Enter end 2, system power supply output end 3, first switch unit 4, second switch unit 5 and event trigger circuit 6.
Here, adapter input terminal 1 is used to receive the input power of the power supply adaptor from terminal device with to terminal
Equipment provides electric power.Cell input terminal 2 is used to receive the input power of the battery from terminal device to provide to terminal device
Electric power.System power supply output end 3 can be connect with adapter input terminal 1 and cell input terminal 2 respectively, and can be from system
Power output end 3 is to the terminal device of such as central processing unit, display screen, mainboard, embedded controller (EC) etc
Hardware module of uniting provides internal electric source.First switch unit 4 can be set in adapter input terminal 1 and system power supply output end
Between 3, and it can be realized by any type of mosfet transistor.Second switch unit 5 can be set in cell input terminal 2
And between system power supply output end 3, and it can be realized by any type of mosfet transistor.
Event trigger circuit 6 can realize by arbitrarily triggering latch cicuit, and can be with first switch unit 4 and the
The connection of two switch units 5.Event trigger circuit 6 can be based on preset incoming event signal, control first switch unit 4 and
The conduction and cut-off of second switch unit 5.
Specifically, preset incoming event signal can be off signal.Here, pass through operating system soft-off in user
Or the power button predetermined time is pinned come when executing hard shutdown, terminal device (e.g., processing unit or EC) can generate off signal.?
In this case, event trigger circuit 6 can be connect to obtain the off signal with above-mentioned hardware.Here it is possible to configure by touching
The event trigger circuit 6 that latch cicuit is realized is sent out, so that when event trigger circuit 6 receives the off signal, event triggering
Circuit 6 can produce switch pick-off signal.Here, switch pick-off signal can be opened based on first switch unit 4 and second is realized
The type (e.g., NMOS, PMOS) for closing the mosfet transistor of unit 5 determines.Switch pick-off signal is generated in event trigger circuit 6
Later, switch pick-off signal can be transmitted to first switch unit 4 and second switch unit 5 by event trigger circuit 6.At this
In the case of kind, first switch unit 4 and second switch unit 5 are disconnected based on the switch pick-off signal, so that event triggering electricity
Road 6 controls first switch unit 4 and second switch unit 5 ends (disconnection).In addition, preset incoming event signal can be with
For starting-up signal.Here, when user is by pinning power button to execute booting, terminal device (e.g., EC) can generate booting letter
Number.In this case, event trigger circuit 6 can be connect to obtain the starting-up signal with above-mentioned hardware.Here it is possible to configure
Event trigger circuit 6, so that event trigger circuit 6 can produce switch when event trigger circuit 6 receives the starting-up signal
Continuity signal.Here, switch-on signal can be based on the MOSFET crystalline substance for realizing first switch unit 4 and second switch unit 5
The type (e.g., NMOS, PMOS) of body pipe determines.After event trigger circuit 6 generates switch-on signal, event trigger circuit
6 can be transmitted to switch-on signal first switch unit 4 and second switch unit 5.In this case, first switch
Unit 4 and second switch unit 5 are connected based on the switch-on signal, so that event trigger circuit 6 controls first switch list
Member 4 and second switch unit 5 are connected.
By the above-mentioned means, due to that can be completely cut through by first switch unit 4 and second switch unit 5 to terminal
The power supply of hardware (e.g., cpu, mainboard, EC controller etc.) inside equipment.Therefore in terminal device shutdown, terminal device is several
Not power consumption completely, thus, it is possible to keep the electricity of battery when terminal device shuts down, to extend terminal device as much as possible
Cruising ability.
In addition, preset incoming event signal is not limited to above-mentioned booting or off signal.For example, preset event signal
It can also include the event of such as battery access signal etc.In this case it is also possible in EC controller (embedded Control
Device) control under execute more complicated operation.
Terminal device in accordance with another embodiment of the present invention is described next, with reference to Fig. 2.As shown in Fig. 2, terminal device
Adapter input terminal 1, cell input terminal 2, system power supply output end 3, first switch unit 4, second switch can be included at least
Unit 5 and event trigger circuit 6 ' and microcontroller 7.Here, due to adapter input terminal 1, cell input terminal 2, system
Power output end 3, first switch unit 4, second switch unit 5 with before be directed to the description of Fig. 1 it is similar therefore no longer right here
It is described.
Microcontroller 7 can be realized by arbitrary embedded controller (EC controller).Microcontroller 7 can be set with terminal
Standby interior each hardware device connects, and can be based on each hardware in internal control logic controlling terminal equipment.Root
According to the embodiment of the present invention, microcontroller 7 can be connect with event trigger circuit 6 ', and for controlling event trigger circuit
6'.Here, different from the event trigger circuit of Fig. 1, the event trigger circuit 6 ' of Fig. 2 can be based on preset incoming event signal
Generate corresponding flag information.Here it is possible to by that can be believed based on different incoming events in the setting of event trigger circuit 6 '
Number the flag bit generation circuit (not shown) of different flag bit is generated to generate identification information corresponding with incoming event.At this
In the case of kind, the control logic in microcontroller 7 can be configured, microcontroller 7 is allowed to be based on flag information (flag bit)
Control event trigger circuit 6 '.
Specifically, for example, in the case where preset incoming event signal is starting-up signal or off signal, event triggering
Circuit 6 ' can produce flag bit (e.g., 1) corresponding with starting-up signal or off signal.In this case, if microcontroller
Device 7 obtains corresponding with starting-up signal or off signal flag bit (e.g., 1) from event trigger circuit 6 ', then microcontroller 7 can be with
Control is not executed to event trigger circuit 6 ', and executes normal booting or shutdown movement.In this case, event triggers
The processing that circuit 6 ' executes is actually similar with for the description of Fig. 1, therefore no longer carries out repeated description to it here.
In addition, incoming event signal can also access signal for battery.Here, due to being inserted by the battery of terminal device
When on to terminal device, the transition (battery access signal) of voltage can be generated in cell input terminal 2.In this case, event
Trigger circuit 6 ' can monitor cell input terminal 2, and in transition (the battery access signal) for detecting the voltage, and being based on should
Battery accesses signal and generates identification information (e.g., marker 0) corresponding with battery access signal.At this point, in order to make microcontroller 7
It can power on to execute preset control, event trigger circuit 6 ' generates switch conduction letter when detecting that battery accesses signal
Number, so that first switch unit 4 and second switch unit 5 are connected, battery or adapter are powered to microprocessor 7.
In this case, microcontroller 7 obtains mark corresponding with battery access signal from event trigger circuit 6 ' and believes
It ceases (e.g., marker 0).Here, micro- since microcontroller 7 usually executes the control to each hardware in terminal device
Controller 7 can determine the case where whether battery accesses and adapter whether accesses.Here it is possible to configure microcontroller 7
Control logic, so that obtaining identification information corresponding with battery access signal (e.g., from event trigger circuit 6 ' in microcontroller 7
Marker 0), and when the battery access of determining terminal device, the adapter that microcontroller 7 will further determine terminal device is
No access.If microcontroller 7 judges the adapter access of terminal device, whether microcontroller 7 further judges battery
In full power state.
If microcontroller 7 finds that the battery is not in full power state by inquiring the electricity of the battery of terminal device,
The adapter of 7 controlling terminal equipment of microcontroller charges the battery.
In addition, if microprocessor 7 detects that the electricity of battery is full of or battery itself by the adapter of terminal device
In full power state, then microcontroller 7 can control event trigger circuit 6 ' by way of sending and ending control signal and generate
Pick-off signal is switched, makes to get first switch unit 4 and second switch unit 5 ends.
In addition, if microcontroller 7 judges that the adapter of terminal device does not access, then microcontroller 7 can pass through transmission
The mode of cut-off control signal controls event trigger circuit 6 ' and generates switch pick-off signal, make to get first switch unit 4 and
Second switch unit 5 ends.
By the above-mentioned means, event trigger circuit 6 ' is based on battery access letter after battery is inserted into terminal device by user
First switch unit 4 and second switch unit 5 is connected, and microprocessor 7 is made to be powered.In this case, by micro-
Processor 7 judges whether to charge the battery by the adapter of terminal device.If can charge the battery, micro process
7 indication adapter of device charges the battery, and in the case where battery is fully charged or battery itself is full electric, passes through event and trigger electricity
Road 6 ' disconnects first switch unit 4 and second switch unit 5.In this case, disconnecting after battery is fully charged can
While to ensure the not power consumption when terminal device shuts down, further extend the continuation of the journey energy of terminal device by charging to battery
Power.
In addition, incoming event signal can also access signal for adapter.Here, due to by the adapter of terminal device
When being inserted on terminal device, the transition (adapter access signal) of voltage can be generated in adapter input terminal 1.In such case
Under, event trigger circuit 6 ' can monitor adapter input terminal 1, and in transition (the adapter access letter for detecting the voltage
Number) when, identification information (e.g., marker 0) corresponding with adapter access signal is generated based on adapter access signal.This
When, similar to the previous description, preset control is executed in order to enable microcontroller 7 to power on, event trigger circuit 6 ' exists
It detects and generates switch-on signal when adapter accesses signal, so that first switch unit 4 and second switch unit 5 are connected,
Battery or adapter are powered to microprocessor 7.
In this case, microcontroller 7 obtains mark corresponding with adapter access signal from event trigger circuit 6 '
Information (e.g., marker 0).Here it is possible to the control logic of microcontroller 7 be configured, so that triggering electricity from event in microcontroller 7
Road 6 ' obtains identification information (e.g., marker 0) corresponding with adapter access signal, and determines that the adapter of terminal device connects
Fashionable, whether the battery that microcontroller 7 will further determine terminal device accesses.
If microcontroller 7 judge terminal device battery access, microcontroller 7 further judge battery whether place
In full power state.If microcontroller 7 finds that the battery is not in full power state by inquiring the electricity of the battery of terminal device,
Then the adapter of 7 controlling terminal equipment of microcontroller charges the battery.In addition, if microprocessor 7 detects that terminal is set
Standby adapter is full of the electricity of battery or battery itself is in full power state, then microcontroller 7 can be cut by sending
The mode for only controlling signal controls event trigger circuit 6 ' and generates switch pick-off signal, makes to get first switch unit 4 and the
The cut-off of two switch units 5.In addition, if microcontroller 7 judges that the battery of terminal device does not access, then microcontroller 7 can lead to
The mode for crossing transmission cut-off control signal controls event trigger circuit 6 ' and generates switch pick-off signal, makes to get first switch unit
4 and second switch unit 5 end.
Each embodiment of the invention has been described in detail above.However, it should be appreciated by those skilled in the art that not taking off
In the case where from the principle and spirit of the invention, these embodiments can be carry out various modifications, combination or sub-portfolio, and in this way
Modification should fall within the scope of the present invention.
Claims (3)
1. a kind of terminal device, comprising:
Adapter input terminal configures to receive the input power from power supply adaptor；
Cell input terminal configures to receive the input power from battery；
System power supply output end, configuration to provide internal electric source to the system hardware module of the terminal device；
First switch unit is arranged between the adapter input terminal and the system power supply output end；
Second switch unit is arranged between the cell input terminal and the system power supply output end；
Event trigger circuit configures to be based on preset incoming event signal, controls the first switch unit and described the
The conduction and cut-off of two switch units, wherein the event trigger circuit can be generated based on the preset incoming event signal
Corresponding flag information, and the event trigger circuit is triggering latch cicuit；And
Microcontroller configures to control the event trigger circuit, wherein the microcontroller is controlled based on the flag information
The event trigger circuit, wherein
The incoming event signal is that battery accesses signal, and the battery access signal is to be inserted into the terminal in battery to set
The voltage transitions that the cell input terminal generates when standby upper, and event trigger circuit generation is corresponding with battery access signal
Identification information；
The event trigger circuit opens the first switch unit and described second when detecting the battery access signal
Unit conducting is closed, to power to the microcontroller；
The microcontroller obtains identification information corresponding with battery access signal from the event trigger circuit, is based on the mark
Know information and judges whether the adapter of terminal device accesses.
2. terminal device as described in claim 1, wherein
If the microcontroller judges the adapter access of the terminal device, the microcontroller judges the battery
Whether full power state is in；
If the battery is not in full power state, the microcontroller controls the adapter and fills to the battery
Electricity；And
If the battery is in full power state, the microcontroller controls the event trigger circuit and opens described first
Close unit and second switch unit cut-off.
3. terminal device as described in claim 1, wherein
If the microcontroller judges that the adapter of the terminal device does not access, the microcontroller controls the event
Trigger circuit ends the first switch unit and the second switch unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210223265.9A CN103513742B (en) | 2012-06-28 | 2012-06-28 | Terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210223265.9A CN103513742B (en) | 2012-06-28 | 2012-06-28 | Terminal device |
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| Publication Number | Publication Date |
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| CN103513742A CN103513742A (en) | 2014-01-15 |
| CN103513742B true CN103513742B (en) | 2019-01-15 |
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| CN201210223265.9A Active CN103513742B (en) | 2012-06-28 | 2012-06-28 | Terminal device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105138101A (en) * | 2015-08-31 | 2015-12-09 | 联想(北京)有限公司 | Power supply method and electronic devices |
| CN105718013B (en) * | 2016-01-18 | 2019-06-04 | 普联技术有限公司 | A kind of no keying electronic product and its control method and device |
| CN106230052B (en) * | 2016-08-15 | 2019-02-05 | 联想(北京)有限公司 | Applied to the control method of battery charger, device and electronic equipment |
| CN111399617B (en) * | 2020-03-06 | 2022-01-14 | 西安闻泰信息技术有限公司 | Power supply control device and electronic apparatus |
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| CN100339828C (en) * | 2004-01-15 | 2007-09-26 | 联想(北京)有限公司 | Method and device for realizing rapid start |
| CN101051752A (en) * | 2006-04-03 | 2007-10-10 | 美国凹凸微系有限公司 | Power supply system of hybrid switching power commutator, power supply unit and method thereof |
| CN101414762B (en) * | 2007-10-16 | 2012-03-28 | 研祥智能科技股份有限公司 | Method, apparatus and system for power-off protection |
| CN202261232U (en) * | 2011-10-17 | 2012-05-30 | 珠海格力电器股份有限公司 | Circuit mainboard and type selection port control circuit thereof |
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| US20050267999A1 (en) * | 2004-05-25 | 2005-12-01 | Sony Corporation | Electronic device, method for controlling the same, information processing apparatus, and computer program |
| CN2898924Y (en) * | 2006-04-04 | 2007-05-09 | 赵德民 | Self-adjusting power-supply converter for host of computer |
| CN200993763Y (en) * | 2006-12-30 | 2007-12-19 | 邹晓巍 | Power transmission and supply device with expanding chamber for portable computer |
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| CN103513742A (en) | 2014-01-15 |
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