CN103915863B - Terminal unit and method of supplying power to thereof - Google Patents
Terminal unit and method of supplying power to thereof Download PDFInfo
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- CN103915863B CN103915863B CN201310001160.3A CN201310001160A CN103915863B CN 103915863 B CN103915863 B CN 103915863B CN 201310001160 A CN201310001160 A CN 201310001160A CN 103915863 B CN103915863 B CN 103915863B
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Abstract
Terminal unit and method of supplying power to thereof, described terminal unit includes: the first battery, is configured to provide the DC source with the first voltage；Second battery, is configured to provide the DC source with the second voltage, and described second voltage is more than described first voltage；And battery management unit, configuration to obtain described first battery and the battery status of described second battery according at least two threshold value being respectively provided with for described first battery and the second battery, and according to described first battery and the battery status of described second battery, control described first battery and the power supply of described second battery.
Description
Technical field
The present invention relates to a kind of terminal unit and method of supplying power to thereof.
Background technology
Along with the development of technology, increasing hardware module is integrated in such as smart mobile phone, panel computer or notes
On the terminal unit of basis etc.Generally, these hardware modules have different running voltages.Such as, such as WIFI module, process
The hardware module of device or bluetooth module etc is usually operated under relatively low running voltage (e.g., 3-5V), and such as display screen it
The hardware of class is usually operated under higher running voltage (e.g., 12V-24V).In this case it is necessary to by terminal unit
The voltage that battery provides is converted to be suitable for the running voltage of these hardware modules.Generally, such as smart mobile phone, panel computer or
The output voltage of the battery of the terminal unit of notebook etc is in the range of 3V ~ 5V, it is therefore desirable to by the battery of terminal unit
Output voltage be converted to be suitable for various hardware modules running voltage.Here, owing to needing the hardware module of high working voltage
Running voltage needed for (e.g., display screen) differs relatively big with the output voltage of the battery of terminal unit, therefore terminal is being set
Bigger energy can be produced when the output voltage of standby battery is converted to the running voltage needing the hardware module of high working voltage
Loss, thus can adversely reduce the flying power of terminal unit.
Summary of the invention
In order to solve above-mentioned technical problem of the prior art, according to an aspect of the present invention, it is provided that a kind of terminal unit,
Including: the first battery, it is configured to provide the DC source with the first voltage；Second battery, is configured to provide have the second electricity
The DC source of pressure, described second voltage is more than described first voltage；And battery management unit, configuration comes according to for described the
At least two threshold value that one battery and the second battery are respectively provided with obtains described first battery and the battery of described second battery
State, and according to described first battery and the battery status of described second battery, control described first battery and described
The power supply of two batteries.
Additionally, according to one embodiment of present invention, wherein said at least two threshold value includes first threshold and second
Threshold value, if the most described battery management unit determines the dump energy first threshold more than this first battery of described first battery
Value, the most described battery management unit determines that described first battery is in high state of charge, and if described battery management unit
Determining the dump energy first threshold more than this second battery of described second battery, the most described battery management unit determines described
Second battery is in high state of charge；If the dump energy that described battery management unit determines described first battery is less than or equal to
First threshold and more than Second Threshold, the most described battery management unit determines that described first battery is in low state of charge, and
If the dump energy that described battery management unit determines described second battery less than or equal to first threshold and is more than Second Threshold,
The most described battery management unit determines that described second battery is in low state of charge；And if described battery management unit determines
The dump energy of described first battery is less than or equal to Second Threshold, and the most described battery management unit determines that described first battery is in
Dangerous state of charge, and if described battery management unit determine that the dump energy of described second battery is less than or equal to the second threshold
Value, the most described battery management unit determines that described second battery is in dangerous state of charge.
Additionally, according to one embodiment of present invention, wherein said terminal unit farther includes: the first output port,
Configuration couples with the lower voltage components of described terminal unit；And second output port, configuration comes and described terminal unit
High voltage devices couples, if the most described first battery and described second battery are in high state of charge, the most described battery
Described first battery is connected by administrative unit with described first output port, and by described second battery and described second output
Port is connected；If described first battery is in high state of charge, and described second battery is in low state of charge or danger
State of charge, the most described battery management unit is by described first battery and described first output port and described second outfan
Mouth is connected；And if described first battery is in low state of charge or dangerous state of charge, and described second battery is in
High state of charge, the most described battery management unit is by described second battery and described first output port and described second output
Port is connected.
Additionally, according to one embodiment of present invention, if the most described first battery and described second battery are in
Low state of charge, described first battery is connected, and by described by the most described battery management unit with described first output port
Second battery is connected with described second output port；If one of described first battery and described second battery are in low electricity
Another in state, and described second battery is in dangerous state of charge, and the most described battery management unit produces instruction institute
State the off signal of terminal unit shutdown.
Additionally, according to one embodiment of present invention, wherein said terminal unit farther includes: the first switch, described
The two ends of the first switch are connected with described first output port with described first battery respectively, and at the first battery and described the
When one output port is connected, described first switch conduction；Second switch, the two ends of described second switch are electric with described first respectively
Pond is connected with described second output port, and when the first battery is connected with described second output port, described second switch
Conducting；3rd switch, the two ends of described 3rd switch are connected with described first output port with described second battery respectively, and
When the second battery is connected with described first output port, described 3rd switch conduction；And the 4th switch, described 4th switch
Two ends be connected with described second output port with described second battery respectively, and at the second battery and described second outfan
When mouth is connected, described 4th switch conduction.
Additionally, according to one embodiment of present invention, wherein said terminal unit farther includes: voltage conversion circuit,
Being arranged between described second battery and described first output port, configuration comes when described three switch conduction, by described the
Second voltage of two batteries is converted to tertiary voltage, and wherein said tertiary voltage is less than described second voltage.
Additionally, according to one embodiment of present invention, wherein said first threshold is described first battery or described second
The dump energy of battery, and 20% that described first threshold is total electricity；And described Second Threshold be described first battery or
The dump energy of described second battery, and 5% that described Second Threshold is total electricity.
Additionally, according to a further aspect in the invention, it is provided that a kind of method of supplying power to, it is applied to a terminal unit, described terminal
Equipment includes: for providing the first battery of the DC source with the first voltage, for providing the direct current with the second voltage
Second battery of power supply, wherein said second voltage is more than described first voltage, and described method includes: according to electric for described first
At least two threshold value that pond and the second battery are respectively provided with obtains described first battery and the battery status of described second battery；
And according to described first battery and the battery status of described second battery, control described first battery and described second battery
Power supply.
Additionally, according to one embodiment of present invention, wherein said at least two threshold value includes first threshold and second
Threshold value, if the dump energy of described first battery is more than the first threshold of this first battery, it is determined that at described first battery
In high state of charge, and if the dump energy of described second battery is more than the first threshold of this second battery, it is determined that institute
State the second battery and be in high state of charge；If the dump energy of described first battery is less than or equal to first threshold and more than second
Threshold value, it is determined that described first battery is in low state of charge, and if the dump energy of described second battery be less than or equal to
First threshold and more than Second Threshold, it is determined that described second battery is in low state of charge；And if described first battery
Dump energy less than or equal to Second Threshold, it is determined that described first battery is in dangerous state of charge, and if described the
The dump energy of two batteries is less than or equal to Second Threshold, it is determined that described second battery is in dangerous state of charge.
Additionally, according to one embodiment of present invention, wherein said terminal unit farther includes and described terminal unit
The first output port of lower voltage components coupling and the second outfan of coupling with the high voltage devices of described terminal unit
Mouthful, the step of the power supply wherein controlling described first battery and described second battery farther includes: if described first electricity
Pond and described second battery are in high state of charge, then connected with described first output port by described first battery, and
Described second battery is connected with described second output port；If described first battery is in high state of charge, and described
Second battery is in low state of charge or dangerous state of charge, then by described first battery and described first output port and institute
State the second output port to connect；And if described first battery is in low state of charge or dangerous state of charge, and described
Second battery is in high state of charge, then by described second battery and described first output port and described second output port
Connect.
Additionally, according to one embodiment of present invention, described first battery and the confession of described second battery are wherein controlled
The step of electricity farther includes: if described first battery and described second battery are in low state of charge, then by described the
One battery is connected with described first output port, and is connected with described second output port by described second battery；If institute
Another stating that one of the first battery and described second battery be in low state of charge, and described second battery is in danger
Danger state of charge, then produce the off signal indicating the shutdown of described terminal unit.
Additionally, according to one embodiment of present invention, wherein said first threshold is described first battery or described second
The dump energy of battery, and 20% that described first threshold is total electricity；And
Described Second Threshold is described first battery or the dump energy of described second battery, and described Second Threshold is
The 5% of total electricity.
Accompanying drawing explanation
Fig. 1 is the schematic block diagram of the structure illustrating terminal unit according to embodiments of the present invention；And
Fig. 2 is the schematic flow diagram illustrating method of supplying power to according to embodiments of the present invention.
Detailed description of the invention
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,
Identical reference is given the ingredient substantially with same or like 26S Proteasome Structure and Function, and will omit about it
Repeated description.Here, terminal unit can be such as smart mobile phone, panel computer according to an exemplary embodiment of the present invention
Or the portable equipment of notebook computer etc.
Here, as it is shown in figure 1, terminal unit 1 according to embodiments of the present invention can include first battery the 10, second battery
11 and battery management unit 12.
Here, the first battery 10 and the second battery 11 can filling by any type (e.g., lithium ion, ni-mh etc.)
Electricity battery composition.Battery core combination (series parallel structure) within the first battery 10 and the second battery 11 can be configured so that first
Battery 10 can provide the DC source with the first voltage, and the second battery 11 can provide the unidirectional current with the second voltage
Source.
According to embodiments of the invention, the second voltage can be more than the first voltage.Such as, at the first electricity of the first battery 10
In the case of pressure is for 4V, the second voltage of the second battery 11 can be 12V.Here, the invention is not restricted to above-mentioned example, such as,
Second voltage can also be the twice of the first voltage.As long as it addition, the second voltage more than the first voltage, can at random configure the
One battery 10 and the output voltage of the second battery 11, and above-mentioned configuration falls within the scope of protection of the present invention.
Battery management unit 12 can be realized (e.g., EC circuit or microcontroller) by arbitrary microprocessor.According to this
Bright embodiment, can configure the firmware of battery management unit 12 so that battery management unit 12 can be according to for the first battery
10 and second at least two threshold value that is respectively provided with of battery 11 obtain the first battery 10 and battery status of the second battery 11, and
And the first battery 10 and confession of the second battery 11 can be controlled according to the first battery 10 and the second battery 11 state of battery
Electricity.
It follows that will be described in battery management unit 12 according to obtaining the first battery 10 and battery of the second battery 11
The process of state.
Such as, battery management unit 12 can obtain the first battery 10 and second according to first threshold and Second Threshold
The battery status of battery 11.Here, this first threshold and Second Threshold may each be the surplus of the first battery 10 or the second battery 11
Remaining electricity.Such as, first threshold can be the 20% of total electricity of the first battery 10 or the second battery 11, and Second Threshold is permissible
Be the first battery 10 or the second battery 11 total electricity 5%.It is enumerated above the example of first threshold and Second Threshold,
But, the invention is not restricted to this, as long as ensureing that first threshold is more than Second Threshold, it is also possible to use other threshold value as first
Threshold value and Second Threshold, and can determine based on empirical value or experiment value.Here, battery management unit 12 can be by arbitrarily
Electricity estimating techniques obtain the first battery 10 and dump energy of the second battery 11, and can based on the first battery 10 with
And second battery 11 dump energy and total electricity of the first battery 10 and the second battery 11 determine the first battery 10 with
And second battery 11 dump energy and first threshold and Second Threshold between relation.
Specifically, if battery management unit 12 determines that the dump energy of the first battery 10 is more than the first of the first battery 10
Threshold value, then battery management unit determines that 12 first batteries 10 are in high state of charge (electricity is more than 20%).Similarly, if electric
Pond administrative unit 12 determines the dump energy first threshold more than the second battery 11 of the second battery 11, then battery management unit 12
Determine that the second battery 11 is in high state of charge.
If additionally, the dump energy that battery management unit 12 determines the first battery 10 less than or equal to first threshold and is more than
Second Threshold, then battery management unit 12 determines that the first battery 10 is in low state of charge (electricity is between 5% ~ 20%).Similar
Ground, if the dump energy that battery management unit 12 determines the second battery 11 less than or equal to first threshold and is more than Second Threshold,
Then battery management unit 12 determines that the second battery 11 is in low state of charge.
If it addition, battery management unit 12 determines that the dump energy of the first battery 10 is less than or equal to Second Threshold (electricity
Less than 5%), then battery management unit 12 determines that the first battery 10 is in dangerous state of charge.Similarly, if battery management list
Unit 12 determines that the dump energy of the second battery 11 is less than or equal to Second Threshold, then battery management unit 12 determines at the second battery 11
In dangerous state of charge.
It follows that will be described in battery management unit 12 according to the first battery 10 and the second battery 11 state, control the
The process of the power supply of one battery 10 and the second battery 11.
Here, terminal unit 1 can also include the first output port 13 and the second output port 14.First output port
13 can be with the lower voltage components of the terminal unit 1 of such as internal memory, processor, mainboard etc (that is, it needs to relatively low work be electric
Pressure) couple with to above-mentioned power elements.Additionally, the second output port 14 can be with the terminal unit 1 of such as display screen etc
High voltage devices (that is, it needs to higher running voltage) couple with to above-mentioned power elements.
According to embodiments of the invention, battery management unit 12 can by control the first battery 10 and the second battery 11 with
On/off between first output port 13 and the second output port 14 controls the first battery 10 and the second battery 11
Power supply.Battery management unit 12 is described below and controls the first electricity according to the different conditions of the first battery 10 and the second battery 11
The situation of the on/off between pond 10 and the second battery 11 and the first output port 13 and the second output port 14.
Specifically, such as, if battery management unit 12 determines that the first battery 10 and the second battery 11 are in high electricity
State, then the first battery 10 is connected by battery management unit 12 with the first output port 13, and by the second battery 11 and second
Output port 14 is connected.Additionally, the first battery 10 is disconnected by battery management unit 12 with the second output port 14, and by second
Battery 11 disconnects with the first output port 13.In this case, owing to the voltage of the second battery 11 is higher than the first battery 10, because of
This is when the second battery 11 and the second output port 14 are connected, and will have the second battery 11 of higher output voltage with needs relatively
The element of high running voltage connects, therefore due between output voltage and the running voltage of this class component of the second battery 11
Pressure reduction is less, therefore will not produce relatively when needing the voltage conversion unit of element of higher running voltage to carry out voltage conversion
Big energy loss, thus can increase the flying power of terminal unit 1 effectively.
If battery management unit 12 determines that the first battery 10 is in high state of charge, and the second battery 11 is in low electricity
State or dangerous state of charge, then battery management unit 12 is by the first battery 10 and the first output port 13 and the second outfan
Mouth 14 is connected, and is disconnected with the first output port 13 and the second output port 14 by the second battery 11 simultaneously.In this case, may be used
To avoid causing sending out of the situation needing the element of higher running voltage to shift to an earlier date power-off owing to the second battery 11 electricity is not enough
Raw.
If battery management unit 12 determines that the first battery 10 is in low state of charge or dangerous state of charge, and second is electric
Pond 11 is in high state of charge, then battery management unit 12 is by the second battery 11 and the first output port 13 and the second outfan
Mouth 14 is connected, and is disconnected with the first output port 13 and the second output port 14 by the first battery 10 simultaneously.In this case, may be used
To avoid causing sending out of the situation needing the element of relatively low running voltage to shift to an earlier date power-off owing to the first battery 10 electricity is not enough
Raw.
If additionally, battery management unit 12 determines that the first battery 10 and the second battery 11 are in low state of charge, then
First battery 10 is connected by battery management unit 12 with the first output port 13, and by the second battery 11 and the second output port
14 connect.In this case, the first battery 10 is also disconnected by battery management unit 12 with the second output port 14, and by
Two batteries 11 disconnect with the first output port 13.If it addition, battery management unit 12 determines the first battery 10 and the second electricity
One of pond 11 is in low state of charge, and another battery in the first battery 10 and the second battery 11 is in dangerous electricity shape
State, then battery management unit 12 produces the off signal of instruction terminal unit 1 shutdown to prevent the subelement on terminal unit 1
Damage or produce the situation of loss of data due to unexpected power-off.
By above-mentioned configuration, can be higher by having when the electricity abundance of the first battery 10 and the second battery 11
The second battery 11 of output voltage be connected with the element needing higher running voltage, and will have relatively low output voltage
The first battery 10 is connected with the element needing relatively low running voltage can be effectively prevented from when carrying out voltage and changing due to
The energy loss that the pressure reduction of output voltage and running voltage is too big and causes, thus can be greatly improved the continuation of the journey of terminal unit 1
Ability.Furthermore it is also possible to the different conditions of the first battery 10 and the second battery 11 flexibly sets different power supply modes, by
This makes full use of the electricity of the first battery 10 and the second battery 11 to maximize the flying power of terminal unit 1.
It is described above battery management unit 12 to control according to the different conditions of the first battery 10 and the second battery 11
The feelings of the on/off between the first battery 10 and the second battery 11 and the first output port 13 and the second output port 14
Condition.Here, connecing between the first battery 10 and the second battery 11 and the first output port 13 and the second output port 14 is controlled
The process that on/off is opened can be realized by switching switch.
Such as, according to one embodiment of present invention, terminal unit 1 can also include: the first switch 15, second switch
16, the 3rd switch 17 and the 4th switch 18.Here, the first switch 15, second switch the 16, the 3rd switch 17 and the 4th switch
18 can be realized by arbitrary switching switch, and can based on the control signal conduction and cut-off from battery management unit 12,
It is to say, the first switch 15, second switch the 16, the 3rd switch 17 and the 4th switch 18 are respectively with battery management unit 12 even
Connect, and can control signal conduction and cut-off based on battery management unit 12.
As it is shown in figure 1, the two ends of the first switch 15 can be connected with the first output port 13 with the first battery 10 respectively.The
The two ends of two switches 16 are connected with the second output port 14 with the first battery 10 respectively.The two ends of the 3rd switch 17 are respectively with second
Battery 11 is connected with the first output port 13.Additionally, the 4th switch 18 two ends respectively with the second battery 11 and the second outfan
Mouth 14 connects.In such a case, it is possible to by the first switch 15, second switch the 16, the 3rd switch 17 and the 4th switch 18
Conduction and cut-off control connecing of the first battery 10 and the second battery 11 and the first output port 13 and the second output port 14
On/off is opened.
Specifically, when the first battery 10 and the first output port 13 are connected by needs, the first switch 15 conducting.At needs
When the first battery 10 and the second output port 14 being connected, second switch 16 turns on.At the second battery 11 and the first output port
During 13 connection, the 3rd switch 17 conducting.Additionally, when the second battery 11 and the second output port 14 are connected, the 4th switch 18 is led
Logical.
It addition, when the first battery 10 and the first output port 13 are disconnected by needs, the first switch 15 cut-off.Needs by
When first battery 10 and the second output port 14 disconnect, second switch 16 ends.At the second battery 11 and the first output port 13
During disconnection, the 3rd switch 17 cut-off.Additionally, when the second battery 11 and the second output port 14 disconnect, the 4th switch 18 cut-off.
In this case, battery management unit 12 can be according to the first battery 10 and different conditions of the second battery 11
The conduction and cut-off controlling the first switch 15, second switch the 16, the 3rd switch 17 and the 4th switch 18 controls the first battery 10
And second battery 11 and the first output port 13 and on/off of the second output port 14.
Be described above by switching switch system the first battery 10 and the second battery 11 and the first output port 13 and
The situation of the on/off of the second output port 14, but, the invention is not restricted to this.For example, it is also possible to come by selection circuit
Control the first battery 10 and the second battery 11 and the first output port 13 and on/off of the second output port 14.Such as,
First battery 10 and the second battery 11 can be connected with the first selection circuit, and the first selection circuit can be with the first output port
13 connect.In this case, the first selection circuit can select according to the control signal from battery management unit 12
One of one battery 10 and the second battery 11 are connected with the first output port 13.Similarly, the first battery 10 and the second battery 11 can
To be connected with the second selection circuit, and the second selection circuit can be connected with the second output port 14.In this case, second
Selection circuit can select one of first battery 10 and the second battery 11 according to the control signal from battery management unit 12
It is connected with the second output port 14.
It addition, according to another embodiment of the invention, terminal unit 1 can further include voltage conversion circuit
(not shown).This voltage conversion circuit can be arranged between the second battery 11 and the first output port 13.Lead at the 3rd switch
17 when leading to, and the second voltage of the second battery 11 is converted to tertiary voltage by this voltage conversion circuit.Here, the 3rd electricity after conversion
Pressure is less than the second voltage of the second battery 11.Here, the highest due to the second voltage of the second battery 11, it is therefore desirable to will relatively
The second high voltage is converted to relatively low tertiary voltage so that the lower voltage components of terminal unit 1 is without changing the conversion of its voltage
Unit (e.g., the voltage conversion unit on mainboard) just can receive and change this tertiary voltage.It is preferred here that tertiary voltage
Can or coupling identical with the first voltage.
It is described above and obtains the first battery 10 and battery status of the second battery 11, and root according to two threshold values
According to the first battery 10 and the second battery 11 state of battery, control the example of the power supply of the first battery 10 and the second battery 11.
But, the invention is not restricted to this, it is also possible to control the first battery 10 and the second battery 11 according to other threshold value (e.g., temperature)
The example of power supply.Such as, if the temperature of the first battery 10 or the second battery 11 exceedes predetermined temperature threshold (e.g., 50 degree),
The battery that temperature can be used relatively low powers to prevent the damage of battery to the first output port 13 and the second output port 14.
Here, due to be described above control specific battery power to the first output port 13 and the second output port 14
Process, repeat no more here.Further, it is also possible to by other of first threshold, Second Threshold and such as temperature threshold etc
Threshold value combines and controls the first battery 10 and power supply of the second battery 11.
Next, with reference to Fig. 2, method of supplying power to according to embodiments of the present invention is described.Here, according to embodiments of the present invention
Method of supplying power to may apply in the terminal unit 1 shown in Fig. 1.This terminal unit 1 includes having the first voltage for offer
First battery 10 of DC source, for providing the second battery 11 of the DC source with the second voltage.Here, the second voltage
More than the first voltage.Such as, in the case of the first voltage of the first battery 10 is 4V, the second voltage of the second battery 11 is permissible
It is 12V.Here, the invention is not restricted to above-mentioned example, as long as the second voltage is more than the first voltage, can at random configure the first electricity
Pond 10 and the output voltage of the second battery 11, and above-mentioned configuration falls within the scope of protection of the present invention.
As in figure 2 it is shown, in step S201, according at least two threshold being respectively provided with for the first battery 10 and the second battery 11
Value obtains the first battery 10 and battery status of the second battery 11.
Specifically, similar with the description for Fig. 1, the first battery 10 can be obtained according to first threshold and Second Threshold
And second battery status of battery 11.Here, this first threshold and Second Threshold may each be the first battery 10 or the second electricity
The dump energy in pond 11.Such as, first threshold can be the 20% of total electricity of the first battery 10 or the second battery 11, and second
Threshold value can be the 5% of total electricity of the first battery 10 or the second battery 11.Additionally, this invention is not limited to this, as long as ensureing first
Threshold value is more than Second Threshold, it is also possible to use other threshold value as first threshold and Second Threshold, and can be based on experience
Value or experiment value determine.
According to embodiments of the invention, if battery management unit 12 determines that the dump energy of the first battery 10 is more than first
The first threshold of battery 10, then battery management unit determines that 12 first batteries 10 are in high state of charge (electricity is more than 20%).Class
As, if battery management unit 12 determines the dump energy first threshold more than the second battery 11 of the second battery 11, then electricity
Pond administrative unit 12 determines that the second battery 11 is in high state of charge.If additionally, battery management unit 12 determines the first battery
The dump energy of 10 is less than or equal to first threshold and more than Second Threshold, then battery management unit 12 determines that the first battery 10 is in
Low state of charge (electricity is between 5% ~ 20%).Similarly, if battery management unit 12 determines the residue electricity of the second battery 11
Amount is less than or equal to first threshold and more than Second Threshold, then battery management unit 12 determines that the second battery 11 is in low electricity shape
State.If it addition, battery management unit 12 determines that the dump energy of the first battery 10 is less than or equal to Second Threshold (electricity deficiency
5%), then battery management unit 12 determines that the first battery 10 is in dangerous state of charge.Similarly, if battery management unit 12
Determine that the dump energy of the second battery 11 is less than or equal to Second Threshold, then battery management unit 12 determines that the second battery 11 is in danger
Danger state of charge.
Then, in step S202, according to the first battery 10 and battery status of the second battery 11, control the first battery 10 with
And second power supply of battery 11.
Specifically, can be by controlling the first output port of the first battery 10 and the second battery 11 and terminal unit 1
13 and second the on/off of output port 14 control the first battery 10 and power supply of the second battery 11.Here, terminal unit
First output port 13 of 1 (that is, can need with the lower voltage components of the terminal unit 1 of such as internal memory, processor, mainboard etc
Want relatively low running voltage) coupling is with to above-mentioned power elements, and the second output port 14 can be with such as display screen etc
Terminal unit 1 high voltage devices (that is, it needs to higher running voltage) couple with to above-mentioned power elements.
In this case, step S202 may further include: if the first battery 10 and the second battery 11 are in
High state of charge, then connect the first battery 10 with the first output port 13, and by the second battery 11 and the second output port
14 connect；If the first battery 10 is in high state of charge, and the second battery 11 is in low state of charge or dangerous electricity shape
State, then connect the first battery 10 with the first output port 13 and the second output port 14；If the first battery 10 is in low
State of charge or dangerous state of charge, and the second battery 11 is in high state of charge, then exported with first by the second battery 11
Port 13 and output port 14 are connected.Additionally, step S202 can may further comprise: if the first battery 10 and second is electric
Pond 11 is in low state of charge, then connected with the first output port 13 by the first battery 10, and by the second battery 11 and
Two output ports 14 are connected；And if one of the first battery 10 and the second battery 11 are in low state of charge, and first
Another in battery 10 and the second battery 11 is in dangerous state of charge, then produce the shutdown letter of instruction terminal unit 1 shutdown
Number.
Specifically, such as, if battery management unit 12 determines that the first battery 10 and the second battery 11 are in high electricity
State, then the first battery 10 is connected by battery management unit 12 with the first output port 13, and by the second battery 11 and second
Output port 14 is connected.Additionally, the first battery 10 is disconnected by battery management unit 12 with the second output port 14, and by second
Battery 11 disconnects with the first output port 13.
If additionally, battery management unit 12 determines that the first battery 10 is in high state of charge, and the second battery 11 is in
Low state of charge or dangerous state of charge, then battery management unit 12 is by the first battery 10 and the first output port 13 and second
Output port 14 is connected, and is disconnected with the first output port 13 and the second output port 14 by the second battery 11 simultaneously.
If additionally, battery management unit 12 determines that the first battery 10 is in low state of charge or dangerous state of charge, and
Second battery 11 is in high state of charge, then battery management unit 12 is by the second battery 11 and the first output port 13 and second
Output port 14 is connected, and is disconnected with the first output port 13 and the second output port 14 by the first battery 10 simultaneously.
If additionally, battery management unit 12 determines that the first battery 10 and the second battery 11 are in low state of charge, then
First battery 10 is connected by battery management unit 12 with the first output port 13, and by the second battery 11 and the second output port
14 connect.In this case, the first battery 10 is also disconnected by battery management unit 12 with the second output port 14, and by
Two batteries 11 disconnect with the first output port 13.
If it addition, battery management unit 12 determines that one of the first battery 10 and second battery 11 are in low electricity shape
Another battery in state, and the first battery 10 and the second battery 11 is in dangerous state of charge, then battery management unit 12
Produce the off signal of instruction terminal unit 1 shutdown.
By above-mentioned configuration, can be higher by having when the electricity abundance of the first battery 10 and the second battery 11
The second battery 11 of output voltage be connected with the element needing higher running voltage, and will have relatively low output voltage
The first battery 10 is connected with the element needing relatively low running voltage can be effectively prevented from when carrying out voltage and changing due to
The energy loss that the pressure reduction of output voltage and running voltage is too big and causes, thus can be greatly improved the continuation of the journey of terminal unit 1
Ability.Furthermore it is also possible to the different conditions of the first battery 10 and the second battery 11 flexibly sets different power supply modes, by
This makes full use of the electricity of the first battery 10 and the second battery 11 to maximize the flying power of terminal unit 1.
It is described above battery management unit 12 to control according to the different conditions of the first battery 10 and the second battery 11
The feelings of the on/off between the first battery 10 and the second battery 11 and the first output port 13 and the second output port 14
Condition.Here, connecing between the first battery 10 and the second battery 11 and the first output port 13 and the second output port 14 is controlled
The process that on/off is opened can be realized by switching switch.Such as, terminal unit 1 first switch 15 two ends can respectively with
First battery 10 is connected with the first output port 13, the two ends of second switch 16 respectively with the first battery 10 and the second output port
14 connect, and the two ends of the 3rd switch 17 are connected with the first output port 13 with the second battery 11 respectively, and the two of the 4th switch 18
End is connected with the second output port 14 with the second battery 11 respectively.
In this case, when the first battery 10 and the first output port 13 are connected by needs, the first switch 15 conducting.
When the first battery 10 and the second output port 14 are connected by needs, second switch 16 turns on.Defeated with first at the second battery 11
Go out port 13 when connecting, the 3rd switch 17 conducting.Additionally, when the second battery 11 and the second output port 14 are connected, the 4th opens
Close 18 conductings.It addition, when the first battery 10 and the first output port 13 are disconnected by needs, the first switch 15 cut-off.At needs
When the first battery 10 and the second output port 14 being disconnected, second switch 16 ends.At the second battery 11 and the first output port
During 13 disconnection, the 3rd switch 17 cut-off.Additionally, when the second battery 11 and the second output port 14 disconnect, the 4th 18 sections of switch
Only.Therefore, according to embodiments of the invention, first can be controlled according to the different conditions of the first battery 10 and the second battery 11
The conduction and cut-off of switch 15, second switch the 16, the 3rd switch 17 and the 4th switch 18 controls the first battery 10 and second
Battery 11 and the first output port 13 and on/off of the second output port 14.
Additionally, this invention is not limited to this.For example, it is also possible to control the first battery 10 and the second electricity by selection circuit
Pond 11 and the first output port 13 and on/off of the second output port 14.Such as, the first battery 10 and the second battery 11 can
To be connected with the first selection circuit, and the first selection circuit can be connected with the first output port 13.In this case, first
Selection circuit can select one of first battery 10 and the second battery 11 according to the control signal from battery management unit 12
It is connected with the first output port 13.Similarly, the first battery 10 and the second battery 11 can be connected with the second selection circuit, and the
Two selection circuits can be connected with the second output port 14.In this case, the second selection circuit can be according to from battery
The control signal of administrative unit 12 selects one of the first battery 10 and second battery 11 to be connected with the second output port 14.
Describe above in relation to Fig. 2 and obtain the first battery 10 and battery shape of the second battery 11 according to two threshold values
State, and according to the first battery 10 and the second battery 11 state of battery, control the first battery 10 and confession of the second battery 11
The example of electricity.But, the invention is not restricted to this, it is also possible to control the first battery 10 and according to other threshold value (e.g., temperature)
The example of the power supply of two batteries 11.Such as, if the temperature of the first battery 10 or the second battery 11 exceedes predetermined temperature threshold
Time (e.g., 50 degree), it is possible to use the relatively low battery of temperature power to the first output port 13 and the second output port 14 in case
The only damage of battery.Further, it is also possible to other threshold value of first threshold, Second Threshold and such as temperature threshold etc is combined
Control the first battery 10 and power supply of the second battery 11.
As it has been described above, have been described above being specifically described each embodiment of the present invention, but the invention is not restricted to this.
It should be appreciated by those skilled in the art, can according to design require or other factors carry out various amendment, combination, sub-portfolio or
Person replaces, and they are in the range of claims and equivalent thereof.
Claims (12)
1. a terminal unit, including:
First battery, is configured to provide the DC source with the first voltage；
Second battery, is configured to provide the DC source with the second voltage, and described second voltage is more than described first voltage；
Battery management unit, configuration to obtain according at least two threshold value being respectively provided with for described first battery and the second battery
Described first battery and the battery status of described second battery, and according to described first battery and the electricity of described second battery
Pond state, controls described first battery and the power supply of described second battery；
First output port, configuration couples with the lower voltage components of described terminal unit；And
Second output port, configuration couples with the high voltage devices of described terminal unit,
Wherein by controlling described first battery and described second battery and described first output port and described second output
Annexation between port controls described first battery and the power supply of described second battery.
2. terminal unit as claimed in claim 1, wherein said at least two threshold value includes first threshold and Second Threshold,
Wherein
If described battery management unit determines the dump energy first threshold more than this first battery of described first battery, then
Described battery management unit determines that described first battery is in high state of charge, and if described battery management unit determine institute
Stating the dump energy first threshold more than this second battery of the second battery, the most described battery management unit determines described second electricity
Pond is in high state of charge；
If described battery management unit determines that the dump energy of described first battery is less than or equal to first threshold and more than second
Threshold value, the most described battery management unit determines that described first battery is in low state of charge, and if described battery management list
Unit determines that the dump energy of described second battery is less than or equal to first threshold and more than Second Threshold, the most described battery management unit
Determine that described second battery is in low state of charge；And
If described battery management unit determines that the dump energy of described first battery is less than or equal to Second Threshold, the most described battery
Administrative unit determines that described first battery is in dangerous state of charge, and if described battery management unit determine described second
The dump energy of battery is less than or equal to Second Threshold, and the most described battery management unit determines that described second battery is in dangerous electricity
State.
3. terminal unit as claimed in claim 2, wherein
If described first battery and described second battery are in high state of charge, the most described battery management unit is by described
One battery is connected with described first output port, and is connected with described second output port by described second battery；
If described first battery is in high state of charge, and described second battery is in low state of charge or dangerous electricity shape
State, described first battery is connect by the most described battery management unit with described first output port and described second output port
Logical；And
If described first battery is in low state of charge or dangerous state of charge, and described second battery is in high electricity shape
State, described second battery is connect by the most described battery management unit with described first output port and described second output port
Logical.
4. terminal unit as claimed in claim 3, wherein
If described first battery and described second battery are in low state of charge, the most described battery management unit is by described
One battery is connected with described first output port, and is connected with described second output port by described second battery；
If it is another that one of described first battery and described second battery are in low state of charge, and described second battery
One is in dangerous state of charge, and the most described battery management unit produces the off signal indicating the shutdown of described terminal unit.
5. terminal unit as claimed in claim 3, wherein said terminal unit farther includes:
First switch, the two ends of described first switch are connected with described first output port with described first battery respectively, and
When the first battery is connected with described first output port, described first switch conduction；
Second switch, the two ends of described second switch are connected with described second output port with described first battery respectively, and
When the first battery is connected with described second output port, described second switch turns on；
3rd switch, the two ends of described 3rd switch are connected with described first output port with described second battery respectively, and
When the second battery is connected with described first output port, described 3rd switch conduction；And
4th switch, the two ends of described 4th switch are connected with described second output port with described second battery respectively, and
When the second battery is connected with described second output port, described 4th switch conduction.
6. terminal unit as claimed in claim 5, wherein said terminal unit farther includes:
Voltage conversion circuit, is arranged between described second battery and described first output port, and configuration is opened the described 3rd
When closing conducting, the second voltage of described second battery being converted to tertiary voltage, wherein said tertiary voltage is less than described second
Voltage.
7. terminal unit as claimed in claim 2, wherein
Described first threshold is described first battery or the dump energy of described second battery, and described first threshold is total electricity
The 20% of amount；And
Described Second Threshold is described first battery or the dump energy of described second battery, and described Second Threshold is total electricity
The 5% of amount.
8. a method of supplying power to, is applied to a terminal unit, and described terminal unit includes: have the straight of the first voltage for providing
Flow the first battery of power supply, for providing the second battery of the DC source with the second voltage and the low of described terminal unit
First output port of voltage component coupling and the second output port of coupling with the high voltage devices of described terminal unit, its
Described in the second voltage more than described first voltage, described method includes:
Described first battery and institute is obtained according at least two threshold value being respectively provided with for described first battery and the second battery
State the battery status of the second battery；And
According to described first battery and the battery status of described second battery, control described first battery and described second battery
Power supply,
Wherein by controlling described first battery and described second battery and described first output port and described second output
Annexation between port controls described first battery and the power supply of described second battery.
9. method as claimed in claim 8, wherein said at least two threshold value includes first threshold and Second Threshold,
If the dump energy of described first battery is more than the first threshold of this first battery, it is determined that described first battery is in
High state of charge, and if the dump energy of described second battery is more than the first threshold of this second battery, it is determined that described
Second battery is in high state of charge；
If the dump energy of described first battery is less than or equal to first threshold and more than Second Threshold, it is determined that described first electricity
Pond is in low state of charge, and if the dump energy of described second battery is less than or equal to first threshold and more than the second threshold
Value, it is determined that described second battery is in low state of charge；And
If the dump energy of described first battery is less than or equal to Second Threshold, it is determined that described first battery is in dangerous electricity
State, and if the dump energy of described second battery is less than or equal to Second Threshold, it is determined that described second battery is in danger
Danger state of charge.
10. method as claimed in claim 9, wherein controls the step of the power supply of described first battery and described second battery
Farther include:
If described first battery and described second battery are in high state of charge, then by described first battery and described first
Output port is connected, and is connected with described second output port by described second battery；
If described first battery is in high state of charge, and described second battery is in low state of charge or dangerous electricity shape
State, then connect described first battery with described first output port and described second output port；And
If described first battery is in low state of charge or dangerous state of charge, and described second battery is in high electricity shape
State, then connect described second battery with described first output port and described second output port.
11. methods as claimed in claim 10, wherein control the step of the power supply of described first battery and described second battery
Suddenly farther include:
If described first battery and described second battery are in low state of charge, then by described first battery and described first
Output port is connected, and is connected with described second output port by described second battery；
If it is another that one of described first battery and described second battery are in low state of charge, and described second battery
One is in dangerous state of charge, then produces the off signal indicating the shutdown of described terminal unit.
12. methods as claimed in claim 9, wherein
Described first threshold is described first battery or the dump energy of described second battery, and described first threshold is total electricity
The 20% of amount；And
Described Second Threshold is described first battery or the dump energy of described second battery, and described Second Threshold is total electricity
The 5% of amount.
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| CN201310001160.3A CN103915863B (en) | 2013-01-04 | 2013-01-04 | Terminal unit and method of supplying power to thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310001160.3A CN103915863B (en) | 2013-01-04 | 2013-01-04 | Terminal unit and method of supplying power to thereof |
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| CN103915863B true CN103915863B (en) | 2016-12-28 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334916A (en) * | 2014-08-15 | 2016-02-17 | 德斯国际公司 | Dual-surface dual-screen intelligent mobile terminal |
| CN107231648B (en) * | 2016-03-24 | 2020-01-17 | 中国移动通信有限公司研究院 | Information processing method and terminal |
| CN107959746A (en) * | 2016-10-17 | 2018-04-24 | 中国移动通信有限公司研究院 | A kind of information processing method and terminal |
| CN107968446B (en) * | 2016-10-19 | 2022-06-14 | 华为技术有限公司 | Distributed battery pack power supply system and charge-discharge control method |
| CN107957742B (en) * | 2017-10-20 | 2020-11-13 | 宝沃汽车（中国）有限公司 | Power supply method and device of electric automobile, photovoltaic controller and electric automobile |
| DE102018213261A1 (en) * | 2018-08-08 | 2020-02-13 | Robert Bosch Gmbh | Method for operating a battery system and electric vehicle |
| CN110316388A (en) * | 2019-05-28 | 2019-10-11 | 深圳市道通智能航空技术有限公司 | A kind of battery management method, cell managing device and aircraft |
| CN110308780B (en) * | 2019-07-18 | 2020-10-13 | Oppo（重庆）智能科技有限公司 | Battery management method, system, terminal device and storage medium |
| CN110601292B (en) * | 2019-09-17 | 2021-02-02 | Oppo（重庆）智能科技有限公司 | Battery management method, device, storage medium and electronic equipment |
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| US6153950A (en) * | 1998-07-06 | 2000-11-28 | Sony Corporation | Power supply device for electronic equipment |
| CN101222713A (en) * | 2008-02-04 | 2008-07-16 | 深圳华为通信技术有限公司 | Electricity output control method, device and terminal |
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| US6153950A (en) * | 1998-07-06 | 2000-11-28 | Sony Corporation | Power supply device for electronic equipment |
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