CN209088569U - Power control - Google Patents
Power control Download PDFInfo
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- CN209088569U CN209088569U CN201821724469.XU CN201821724469U CN209088569U CN 209088569 U CN209088569 U CN 209088569U CN 201821724469 U CN201821724469 U CN 201821724469U CN 209088569 U CN209088569 U CN 209088569U
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- battery
- power supply
- circuit
- boosting
- boosting battery
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Abstract
The utility model provides a kind of power control, for being powered at load, including main battery, boosting battery, charging circuit, control circuit.Main battery is to load supplying.The volume of boosting battery, charge capacity, output voltage are smaller than main battery.Charging circuit is electrically connected at power supply network by power supply adaptor, to receive the power supply input signal of power supply network, charges to main battery, boosting battery.When charging circuit is converted by the first state for receiving power supply input signal to the second state for not receiving power supply input signal, charging circuit is corresponding to generate protection signal.When control circuit receives protection signal, boosting battery is arranged by booster circuit to load supplying in control circuit, and the second output voltage that wherein boosting battery is exported by booster circuit is greater than or equal to the first output voltage that main battery is exported.In this way, can avoid the difference for allowing user significantly to experience on system effectiveness, it also can avoid computer system and shut down without early warning.
Description
Technical field
The utility model relates to a kind of power controls.
Background technique
Based on the flourishing business opportunity in the competing market of electricity, the competing system of the opened electricity of manufacturer pursues the design of ultimate attainment efficiency invariably, with
Meet the demand of various player.In the case where hardware enhancing efficiency, the power consumption of system is consequently increased.Such as: have both height
The dynamical portable apparatus such as the electric contention laptop of efficiency and portability are i.e. by market favorable comment.In order to reach
High-effect and portability two purposes, and when connecting the power supply of power supply network (such as: power supply network is connected to by power supply adaptor
Socket), portable apparatus can operate high-effectly.When being powered using built-in battery, the power supply capacity of battery is limited,
Portable apparatus can be then operated in a manner of lower efficiency to save electric power, and system is avoided to close due to electric power deficiency without early warning
Machine.
When user uses portable apparatus, it can usually switch between two kinds of power modes, when portable apparatus is by connecting
When converting to the mode of power supply network to built-in battery powered mode, built-in battery can not often provide enough electricity moment
Power, and cause shutdown of the system without early warning.
Specifically, Figure 1A and Figure 1B are respectively that existing computer system is believed relative to the voltage signal and electric current of time
Number waveform diagram, wherein signal 110 be system voltage, signal 120 be charger protection mechanism provided by voltage, letter
Voltage provided by numbers 130 protection mechanism for software, signal 140 are system power.Here, the wink that AC-DC adapter removes
Between t, the drop degree of performance of charger and software is not big enough, cause system voltage be down to 3.8V and system to eat electricity be 0, in turn
So that system is directly entered shutdown without early warning.However, if detecting that system power moment becomes larger and starts drop above-mentioned immediately
Efficiency mechanism, to ensure that system does not need so big electric current and enters shutdown, then user will significantly experience system
Difference in efficiency.
Utility model content
In view of this, the present invention provides a kind of power control, it can stop obtaining in charging circuit and arrive power supply
When, it avoids the drop degree of performance of computer system excessive and user is allowed significantly to experience the difference on system effectiveness, can also keep away
Exempt from the drop degree of performance deficiency of computer system and system is caused to be shut down without early warning.
In an embodiment in the present invention, above-mentioned power control is used to be powered at load, and including master
Battery, boosting battery, booster circuit, charging circuit and control circuit.Main battery is to load supplying.Boosting battery
Volume, charge capacity and output voltage are smaller than main battery.Booster circuit is electrically connected boosting battery.Charging circuit is electrically connected master
Battery and boosting battery, for being electrically connected at power supply network by power supply adaptor, to receive the power input letter of power supply network
Number, and charge to main battery and boosting battery.Control circuit is electrically connected charging circuit, booster circuit and auxiliary electricity
Pond, in which: when charging circuit is converted by the first state for receiving power supply input signal to not receiving power supply input signal
When the second state, charging circuit can accordingly generate protection signal；When control circuit receives protection signal, control circuit can be set
Boosting battery is set by booster circuit to load supplying, and boosting battery passes through the second output voltage that booster circuit is exported
The first output voltage exported more than or equal to main battery.
In order to make the above-mentioned features and advantages of the utility model more obvious and understandable, special embodiment below, and cooperate attached drawing
It is described in detail below.
Detailed description of the invention
Figure 1A is waveform diagram of the existing computer system relative to the voltage signal of time；
Figure 1B is waveform diagram of the existing computer system relative to the current signal of time；
Fig. 2A is the block diagram of computer system shown by an embodiment according to the utility model；
Fig. 2 B is the block diagram of boosting battery shown by an embodiment according to the utility model；
Fig. 3 is the flow chart of power control method shown by an embodiment according to the utility model.
Description of symbols
110,120,130,140: signal；
T: time；
200: computer system；
205: power supply adaptor；
210: power control；
212: charging circuit；
214: main battery；
216: boosting battery；
218: control circuit；
220: load；
P: boosting enable pin；
2162: booster circuit；
B+CHG: charging pin；
B+DSG: electric discharge pin；
B-: ground connection pin；
2164: battery；
S302~S310: step.
Specific embodiment
Next the part embodiment of the utility model will cooperate attached drawing to be described in detail, cited in description below
Component symbol will be regarded as the same or similar element when identical component symbol occur in different attached drawings.These embodiments are this
The some of utility model does not disclose the embodiment of all the utility model.
Fig. 2A is the block diagram of computer system shown by an embodiment according to the utility model, is to simplify attached drawing with more
It clearly demonstrates, the other elements of computer system 200 do not show that in Fig. 2A.
A referring to figure 2., computer system 200 include power supply adaptor 205, power control 210 and load 220.?
This computer system 200 can be the portable electronic devices such as laptop, tablet computer, smart phone.
In the present embodiment, power supply adaptor 205 can have the function such as AC-DC conversion or DC-DC conversion
Can, socket of the one end to connect power supply network, and the other end is to be plugged to power control 210.In other embodiments,
Power supply adaptor 205 can also use the forms such as automobile-used adapter or Mobile electric power adapter.
In the present embodiment, power control 210 include charging circuit 212, main battery 214, boosting battery 216 and
Control circuit 218.Charging circuit 212 is electrically connected main battery 214 and boosting battery 216, and control circuit 218 is electrically connected
Charging circuit 212, main battery 214 and boosting battery 216.Charging circuit 212 has adaptor spigot, comes from electricity to receive
The input of source adapter 205 is powered, to charge to main battery 214 and boosting battery 216.Main battery 214 and auxiliary
Battery 216 be can multiple charge and discharge lithium ion TunePower, and its details will be described in later.Control circuit 218
It can be embedded controller (embedded controller, EC), microcontroller (microcontroller), power management
Integrated circuit (power management integrated circuit, PMIC) etc. handles chip or integrated circuit component, with
Realize the management and running for power control 210.
In the present embodiment, the element that power control 210 will be needed to power in computer system 200, integrally shows
It is out load 220.Load 220 is electrically connected with power control 210, such as: load 220 may include motherboard, processing
The elements such as device, display card, hard disk, screen.
In the present embodiment, computer system 200 will be illustrated using laptop as example, wherein power control
210 and device noumenon 220 be located in the shell of laptop, and power supply adaptor 205 it is pluggable to or remove in power supply
The charging circuit 212 of control device 210.
In the present embodiment, main battery 214 includes the battery of the first quantity, and battery can be using 18650 specifications
The battery of lithium battery or other appropriate sizes.Such as: when battery can provide 3.7 volts of voltage, and main battery 214 needs
When providing about 14 volts of output voltage, 4 concatenated 3.7 volts of batteries are can be used in main battery 214, to provide
14.8 volts of output voltage.Boosting battery 216 includes the battery of the second quantity, and the battery of the second quantity is less than master
The battery of first quantity of battery 214, to save hardware space.Such as: boosting battery 216 can be only with 1 3.7 volts
Battery to save volume.With the block diagram of boosting battery 216 shown by an embodiment of Fig. 2 B according to the utility model
For, boosting battery 216 may include booster circuit 2162, battery 2164, boosting enable pin P, ground connection pin B-, charging
Foot B+CHG and electric discharge pin B+DSG.Control circuit 218 can transmit enable signal by boosting enable pin P, auxiliary to be arranged
Help the function mode of battery 216.Control circuit 218 can be caused according to the transformation between low-voltage signal and high-voltage signal to generate
It can signal.After 218 enable boosting battery 216 of control circuit, due to the negligible amounts of its battery 2164, using liter
Volt circuit 2162 is greater than or equal to the output voltage of main battery 214 the output voltage of boosting battery 216 is arranged, in order to avoid cause to lead
Battery 214 needs the case where powering to boosting battery 216 instead.Here, boosting battery 216 be by charging pin B+CHG come
Self-charging circuit 212 obtains power supply, and then charges to battery 2164, and by electric discharge pin B+DSG come to load
220 are powered.Additionally, Fig. 2 B is only one of embodiment, and in other embodiments, booster circuit
It can be and be not included among boosting battery, but the output of boosting battery electricity is set to be electrically connected the framework of boosting battery
Pressure is greater than or equal to the output voltage of main battery.
Fig. 3 is the flow chart of power control method shown by an embodiment according to the utility model, and the process of Fig. 3
Computer system 200 suitable for Fig. 2A.
Referring to Fig. 2A, Fig. 2 B and Fig. 3, the control circuit 218 of power control 210, which will test, carrys out self-charging
The protection signal (step S302) of circuit 212.Here, protection signal is mainly in when that the has overcurrent event institute of computer system 200
The response made.By taking the charger with narrow voltage DC framework (Narrow Voltage Direct Current) as an example, protect
Protecting signal is then PROCHOT signal.Protection signal can be to be stopped obtaining from power supply adaptor 205 to electricity in charging circuit 212
It is triggered when source, such as: the time point that the time point that 205 self-charging circuit 212 of power supply adaptor removes either blackout condition occurs.
In another embodiment, having can be when the firmware or software of computer system 200 has detected the power supply input signal of power supply network
When disappearance, and accordingly generate protection signal.For another viewpoint, charging circuit 212 is by receiving power supply input signal
First state is converted to the time point for the second state for not receiving power supply input signal, i.e., can generate protection signal.
When control circuit 218 detects protection signal, it will by boosting enable pin P come enable boosting battery 216
(step S304), to be powered (step S306) to load 220 simultaneously by main battery 214 and boosting battery 216, from
And avoid the drop degree of performance of computer system 200 excessive and user is allowed significantly to experience the difference on system effectiveness, it can also
It avoids the drop degree of performance of computer system 200 insufficient and no early warning is caused to be shut down.Main battery 214 and boosting battery 216 are being put
Electricity process in, control circuit 218 by the output voltage for judging boosting battery 216 whether be lower than predeterminated voltage (step S308) its
Middle predeterminated voltage is, for example, 3V.If so, control circuit 218 will forbidden energy boosting battery 216 and terminate this power control flow.
On the other hand, when control circuit 218 be not detected protection signal when, then will not enable boosting battery 216, that is,
This power control flow is only terminated to be powered (step S310) to load 220 by main battery 214 in typical fashion.
In conclusion the power control that the utility model is proposed, can stop obtaining and arrive power supply in charging circuit
When, load is powered simultaneously using main battery and boosting battery.In this way, can avoid the drop efficiency of computer system
Degree is excessive and user is allowed significantly to experience the difference on system effectiveness, also can avoid the drop degree of performance of computer system not
Cause no early warning to be shut down enough, and then promotes user's experience.
Although the utility model is disclosed as above with embodiment, so it is not intended to limit the utility model, any affiliated
Technical staff in technical field, without departing from the spirit and scope of the utility model, when can make a little change and retouching, therefore
Subject to the protection scope of the utility model ought be defined depending on claim.
Claims (3)
1. a kind of power control, which is characterized in that for being powered at load, comprising:
Main battery, to the load supplying；
Boosting battery, volume, charge capacity and output voltage are smaller than the main battery；
Booster circuit is electrically connected the boosting battery；
Charging circuit is electrically connected the main battery and the boosting battery, for being electrically connected at by power supply adaptor
Power supply network to receive the power supply input signal of the power supply network, and charges to the main battery and the boosting battery；
And
Control circuit is electrically connected the charging circuit, the booster circuit and the boosting battery, in which:
When the charging circuit converted by the first state for receiving the power supply input signal it is defeated to the power supply is not received
When entering the second state of signal, the charging circuit can accordingly generate protection signal；
When the control circuit receives the protection signal, the control circuit can be arranged the boosting battery and pass through the liter
Volt circuit is to the load supplying, and the boosting battery is greater than by the second output voltage that the booster circuit is exported
Or the first output voltage exported equal to the main battery.
2. power control according to claim 1, which is characterized in that the main battery includes the battery of the first quantity
Core, the boosting battery includes the battery of the second quantity, and first quantity is greater than second quantity.
3. power control according to claim 1, which is characterized in that when second output voltage is less than default electricity
When pressure value, the control circuit is arranged the boosting battery and stops to the load supplying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821724469.XU CN209088569U (en) | 2018-10-24 | 2018-10-24 | Power control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821724469.XU CN209088569U (en) | 2018-10-24 | 2018-10-24 | Power control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209088569U true CN209088569U (en) | 2019-07-09 |
Family
ID=67120390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821724469.XU Active CN209088569U (en) | 2018-10-24 | 2018-10-24 | Power control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209088569U (en) |
-
2018
- 2018-10-24 CN CN201821724469.XU patent/CN209088569U/en active Active
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