CN107783580A - A kind of power supply power-supplying circuit and the method being powered using control circuit - Google Patents
A kind of power supply power-supplying circuit and the method being powered using control circuit Download PDFInfo
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- CN107783580A CN107783580A CN201610737052.6A CN201610737052A CN107783580A CN 107783580 A CN107783580 A CN 107783580A CN 201610737052 A CN201610737052 A CN 201610737052A CN 107783580 A CN107783580 A CN 107783580A
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- load
- power supply
- electricity
- circuit
- supply circuit
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/562—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices with a threshold detection shunting the control path of the final control device
Abstract
A kind of method being powered the invention provides power supply power-supplying circuit and using control circuit, wherein control circuit are included:Load, load include the system load run all the time after the first load, the second load and terminal are opened, and the second load running institute subfam. Spiraeoideae is more than the first load, system load operation institute subfam. Spiraeoideae, and the operation of the second load can trigger voltage jump；For the power supply of load supplying；And it is connected to straight-through power supply circuit and boosting power supply circuit between load and power supply.The embodiment of the present invention is load supplying from straight-through power supply circuit or boosting power supply circuit according to the running status of load and the electricity of power supply, power supply electricity can effectively be utilized, solve terminal load and open the power supply Voltage Drop triggered to shutdown voltage, the problem of causing terminal closedown and can not effectively utilizing power supply electricity, improve the usage experience of user.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of power supply power-supplying circuit and use control circuit to be carried out
The method of power supply.
Background technology
With the development of mechanics of communication and network technology, user's request gradually increases, and terminal is also more and more diversified, innovation
Change, the function that terminal integrates is also more and more, more and more novel, but thing followed Overall Power Consumption problem is also more and more prominent
Go out.The often moment of opening of some mutation loads pulls very big electric current, such as GSM (Global System for
Mobile Communication, global system for mobile communications), charger baby, projecting apparatus etc..And the battery and mainboard of some products
Between be connected using wire, wire is influenceed different in size by structure, and wire can be produced and significantly pressed in the moment that mutation load is opened
Drop, the voltage to mainboard can be greatly reduced moment, if the start voltage that the voltage after the range of decrease is minimum less than system, system will
Shutdown, and battery electric quantity now is also more than needed, influences Consumer's Experience.
In the prior art, in order to evade such issues that, it will usually battery capacity is set into a threshold value, works as battery capacity
During higher than the threshold value, Voltage Drop caused by mutation load is opened will not cause terminal closedown, on the contrary then can shut down, once battery
When capacity is less than the threshold value, the load of mutation is not allow to open.Although so doing the problem of having evaded terminal closedown,
Battery electric quantity can not effectively be utilized.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of power supply power-supplying circuit and is powered using control circuit
Method, with solve in the prior art terminal load open trigger supply voltage drop to shutdown voltage, cause terminal closedown,
The problem of dump energy can not effectively be utilized.
The embodiment of the present invention provides a kind of power supply power-supplying circuit, and the control circuit includes:
Load, the load includes the system load run all the time after the first load, the second load and terminal are opened, described
Second load running institute subfam. Spiraeoideae is more than the described first load, system load operation institute subfam. Spiraeoideae, and second load
Operation can trigger voltage jump；
For the power supply of the load supplying；And
The straight-through power supply circuit and boosting power supply circuit being connected between the load and the power supply.
Wherein, the system load includes:The processor for controlling the power supply to power, the signal of the processor are defeated
Enter end to be connected with the power supply, the first signal output part of the processor respectively with the straight-through power supply circuit and described
The power supply circuit that boosts connects, and the secondary signal output end of the processor connects with the described first load and second load respectively
Connect.
Wherein, the processor includes：
For the detecting element for the electricity for detecting the power supply；
With detecting element connection, comparison by the electricity of the power supply compared with default power threshold
Element, and
Control member be connected with the comparing element, that control signal is sent according to the comparative result of the comparing element
Part.
Wherein, the signal input part of the detecting element is connected with the power supply, and the signal of the control element is defeated
Go out end to be connected with the straight-through power supply circuit and the boosting power supply circuit.
Wherein, the signal output part of the detecting element is connected with the signal input part of the comparing element, the comparison
The signal output part of element is connected with the signal input part of the control element.
The embodiment of the present invention also provides a kind of method being powered using power supply power-supplying circuit, applied to terminal,
Methods described includes：
After the starting up of terminal, the load currently run is detected；
If the load currently run is system load or is system load and the first load, by leading directly to power supply circuit
For the load supplying；
If the load currently run is the system load and the second load or is the system load, described first negative
It is described by straight-through power supply circuit or boosting power supply circuit according to the electricity of power supply when carrying with the described second load
Load supplying.
Wherein, after the starting up of terminal, before detecting the load currently run, methods described also includes：
It is the load supplying by the straight-through power supply circuit.
Wherein, the electricity according to power supply, it is described negative by straight-through power supply circuit or boosting power supply circuit
The step of carrying power supply includes：
By the electricity of the power supply compared with default power threshold；
When the electricity of the power supply is equal to or less than the default power threshold, pass through the boosting power supply electricity
Road is the load supplying；
It is described by the straight-through power supply circuit when the electricity of the power supply is more than the default power threshold
Load supplying.
Wherein, when the electricity of the power supply is more than the default power threshold, the straight-through power supply circuit is passed through
After the load supplying, methods described also includes：
Detect the remaining electricity of the power supply in real time, and by the remaining electricity of the power supply with it is described pre-
If power threshold is compared；
When the remaining electricity of the power supply is equal to or less than the default power threshold, close described straight-through
Power supply circuit, it is the load supplying to open the boosting power supply circuit.
Wherein, after the starting up of terminal, before detecting the load currently run, methods described also includes：
Detect because the shutdown electricity for triggering the Voltage Drop of the power supply to the terminal is opened in the described second load
The first charge value that power supply during pressure is stored；
Determine that the first charge value that the power supply is stored is default power threshold.
The beneficial effect of technical solution of the present invention comprises at least：
Technical solution of the present invention, the load state run by detection terminal, is only that system is born in the load of terminal operating
It is load supplying by straight-through power supply circuit when carrying or being system load and the first load, is to be in the load of terminal operating
When system load loads with second or is system load, the first load and the second load, then according to the determination of the electricity of power supply
Corresponding power supply circuit, can solve terminal load and open the power supply Voltage Drop triggered to shutdown voltage, cause terminal
Shutdown and the problem of can not effectively utilizing power supply electricity, during whole operation, no matter how backend load changes, all
Terminal closedown will not be made, more can effectively utilize power supply electricity, the usage experience of user is improved in terms of two.
Brief description of the drawings
Fig. 1 represents the power supply power-supplying circuit schematic diagram one that the embodiment of the present invention one provides；
Fig. 2 represents the power supply power-supplying circuit schematic diagram two that the embodiment of the present invention one provides；
Fig. 3 represents the power supply power-supplying circuit schematic diagram three that the embodiment of the present invention one provides；
Fig. 4 represents that the method for using power supply power-supplying circuit to be powered for load that the embodiment of the present invention two provides is shown
It is intended to；
Fig. 5 represents that the method for using power supply power-supplying circuit to be powered for load that the embodiment of the present invention three provides is shown
It is intended to；
Fig. 6 represents that the method for using power supply power-supplying circuit to be powered for load that the embodiment of the present invention four provides is shown
It is intended to.
Embodiment
It is right below in conjunction with the accompanying drawings and the specific embodiments to make the object, technical solutions and advantages of the present invention clearer
The present invention is described in detail.
Embodiment one
As shown in figure 1, the power supply power-supplying circuit that the embodiment of the present invention one provides, including:
Load 10, load include the system load 13 run all the time after first the 11, second load 12 of load and terminal unlatching,
The operation institute subfam. Spiraeoideae of second load 12 is more than the first load 11, system load 13 runs institute's subfam. Spiraeoideae, and the fortune of the second load 12
Voltage jump triggers in guild；
For the power supply 20 of the power supply of load 10；And
The straight-through power supply circuit 30 and boosting power supply circuit 40 being connected between load 10 and power supply 20.
Specifically, connected between load 10 and power supply 20 by straight-through power supply circuit 30 and boosting power supply circuit 40,
According to the electricity of the running status of load 10 and power supply 20 from straight-through power supply circuit 30 or boosting power supply circuit 40
It is powered for load 10.
Load 10 includes the system load 13 run all the time after first the 11, second load 12 of load and terminal unlatching, its
In the first load 11 belong to normal load, the second load 12 belongs to mutation load, and system load 13 belongs to the minimum of system operation
Load, the operation institute subfam. Spiraeoideae of the second load 12 is more than the first load 11, system load 13 runs required electricity, and the second load
12 operation can trigger voltage jump.
When the load 10 currently run is system load 13, because system load 13 is in fortune all the time after terminal unlatching
Turn state, system load 13 belongs to the minimum load of system operation, and now power supply 20 is to be by straight-through power supply circuit 30
The power supply of system load 13.
When the load 10 currently run is the load of system load 13 and first 11, because the first load 11 belongs to common negative
Load, system load 13 belong to the minimum load of system operation, and now power supply 20 is first negative by straight-through power supply circuit 30
Load 11 and system load 13 are powered.
When the load 10 currently run is the load of system load 13 and second 12, born because the second load 12 belongs to mutation
Carry, now need to determine be powered using which kind of power supply circuit according to the electricity of power supply 20.When power supply 20
When electricity is more than default power threshold, straight-through power supply circuit 30 can be used to be powered for the second load 12 and system load 13, when
When the electricity of power supply 20 is less than or equal to default power threshold, boosting power supply circuit 40 can be used as the second load 12
Powered with system load 13.
It should be noted that default power threshold is because the Voltage Drop of initiation power supply 20 is opened in the second load 12
To terminal shutdown voltage when the charge value that is stored of power supply 20.
When the load 10 currently run is the load of system load 13, first 11 and the second load 12, due to the second load
12 belong to mutation load, now need to determine be powered using which kind of power supply circuit according to the electricity of power supply 20.When
When the electricity of power supply 20 is more than default power threshold, straight-through power supply circuit 30 can be used negative for the first load 11, second
Load 12 and system load 13 are powered, and when the electricity of power supply 20 is less than or equal to default power threshold, can be used and be risen
Pressure power supply circuit 40 is that first the 11, second load 12 of load and system load 13 are powered.
Wherein, as shown in Fig. 2 system load 13 includes:The processor 130 for controlling power supply 20 to power, processor 130
Signal input part be connected with power supply 20, the first signal output part of processor 130 respectively with straight-through power supply circuit 30 and
Boosting power supply circuit 40 is connected, and the secondary signal output end of processor 130 is connected with the first load 11 and the second load 12 respectively.
The secondary signal output end of processor 130 12 be connected with the first load 11 and the second load, by processor 130 and
First load 11 and second load 12 connection, it is possible to achieve processor 130 to first load 11, second load 12 open or
The control of closing.
Then it is that the first load 11 and system load 13 supply by straight-through power supply circuit 30 when the second load 12 is not opened
Electricity, when the second load 12 is opened, it is necessary to detect the electricity of power supply 20, and then determine the type of power supply circuit.Specifically,
Processor 130 is connected with power supply 20, can obtain the electricity of power supply 20, when the second load 12 is opened, according to confession
The electricity of power supply 20 is defined as the type of the power supply circuit of the power supply of load 10.When the electricity of power supply 20 is more than default electricity
During threshold value, straight-through power supply circuit 30 can be connected by the first signal output part so that power supply 20 is using straight-through power supply electricity
Road 30 is the power supply of load 10, when the electricity of power supply 20 is less than or equal to default power threshold, can pass through the first letter
Number output end connection boosting power supply circuit 40 so that power supply 20 use boosting power supply circuit 40 to be powered to load 10.
It should be noted that system load 13 also includes：Storage chip 131 and power management chip 132, wherein processor
130th, storage chip 131 and power management chip 132 are in running status all the time after terminal unlatching.
Wherein, as shown in figure 3, processor 130 includes：For the detecting element 1301 for the electricity for detecting power supply 20；
With detecting element 1301 connect, comparing element 1302 by the electricity of power supply 20 compared with default power threshold,
And control element being connected with comparing element 1302, that control signal is sent according to the comparative result of comparing element 1302
1303。
The signal input part of detecting element 1301 is connected with power supply 20, the signal output part of control element 1303 with it is straight
Logical power supply circuit 30 and boosting power supply circuit 40 connect.The signal output part of detecting element 1301 and the signal of comparing element 1302
Input is connected, and the signal output part of comparing element 1302 is connected with the signal input part of control element 1303.
Wherein, processor 130 can be powered by straight-through power supply circuit 30 or boosting power supply circuit 40, i.e., straight-through
Power supply circuit 30 or boosting power supply circuit 40 can power after connection to processor 130.Processor 130 can be used for
The operation of the load 12 of the load of control first 11, second, control straight-through power supply circuit 30 or the power supply circuit 40 that boosts unlatching or
Person closes.
Specifically, detecting element 1301 is connected with power supply 20, the electricity of power supply 20 can be detected.It is negative second
, it is necessary to detect the electricity of power supply 20 in the case of carrying 12 unlatchings, and then determine the type of power supply circuit.
Detecting element 1301 is after detection obtains the electricity of power supply 20, by the charge value of the power supply 20 of acquisition
Send to comparing element 1302, comparing element 1302 by the electricity of power supply 20 with default power threshold compared with, and must
Go out comparative result, comparative result sent to control element 1303, control element 1303 after comparative result is obtained, according to than
Relatively result generates corresponding control signal, and sends control signals to straight-through power supply circuit 30 or boosting power supply circuit 40,
So that power supply 20 is the power supply of load 10 by straight-through power supply circuit 30 or boosting power supply circuit 40.In power supply 20
When electricity is more than default power threshold, control element 1303 generates the first control signal, and the first control signal is sent to straight-through
Power supply circuit 30 so that straight-through power supply circuit 30 connects, and power supply 20 is the power supply of load 10 by straight-through power supply circuit 30.
When the electricity of power supply 20 is less than or equal to default power threshold, the control of the generation of control element 1,303 second
Signal, the second control signal is sent to boosting power supply circuit 40 so that boosting power supply circuit 40 connects, and power supply 20 passes through
Power supply circuit 40 boost as the power supply of load 10.Load 10 now comprises at least the second load 12 and system load 13.
Wherein, when the load 10 currently run is the first load 11 and system load 13, power supply electricity is led directly in directly connection
Road 30, power supply 20 are that the first load 11 and system load 13 are powered by straight-through power supply circuit 30.
When the load 10 currently run is the second load 12 and system load 13, detecting element 1301 detects power supply
20 electricity stored, and the testing result of acquisition is sent to comparing element 1302, comparing element 1302 and compares power supply
20 electricity stored and the size of default power threshold, and comparative result is sent to control element 1303, work as power supply
When 20 electricity stored are more than default power threshold, the straight-through power supply circuit 30 of the control of control element 1303 connects, power supply
20 are powered by straight-through power supply circuit 30 for the second load 12 and system load 13.When the electricity that power supply 20 is stored is small
In, equal to default power threshold when, control element 1303 control boosting power supply circuit 40 connect, power supply 20 pass through boost supply
Circuit 40 is that the second load 12 and system load 13 are powered.
When the load 10 currently run is first the 11, second load 12 of load and system load 13, detecting element 1301
The electricity that detection power supply 20 is stored, and the testing result of acquisition is sent to comparing element 1302, comparing element 1302
Compare electricity and the size of default power threshold that power supply 20 is stored, and comparative result is sent to control element
1303, when the electricity that power supply 20 is stored is more than default power threshold, the straight-through power supply circuit of the control of control element 1303
30 connections, power supply 20 are that first the 11, second load 12 of load and system load 13 are powered by straight-through power supply circuit 30.When
The electricity that power supply 20 is stored is less than, equal to default power threshold when, the control boosting power supply circuit 40 of control element 1303
Connection, power supply 20 are powered by the power supply circuit 40 that boosts for first the 11, second load 12 of load and system load 13.
It should be noted that the connection between processor 130 and straight-through power supply circuit 30, boosting power supply circuit 40 is two-way
Connection.
Control element 1303 in processor 130 can control straight-through power supply circuit 30 or the power supply circuit 40 that boosts is opened
Open, straight-through power supply circuit 30 or boosting power supply circuit 40 can be that processor 130 is powered accordingly.
The embodiment of the present invention one, the load state run by detection terminal, is only that system is born in the load of terminal operating
It is load supplying by straight-through power supply circuit when carrying or being system load and the first load, is to be in the load of terminal operating
When system load loads with second or is system load, the first load and the second load, then according to the determination of the electricity of power supply
Corresponding power supply circuit, can solve terminal load and open the power supply Voltage Drop triggered to shutdown voltage, cause terminal
Shutdown and the problem of can not effectively utilizing power supply electricity, during whole operation, no matter how backend load changes, all
Terminal closedown will not be made, more can effectively utilize power supply electricity, the usage experience of user is improved in terms of two.
Embodiment two
What the embodiment of the present invention two provided uses power supply power-supplying circuit to load the method being powered, applied to end
End, wherein, control circuit includes:Load, load include the system run all the time after the first load, the second load and terminal are opened
Load, the second load running institute subfam. Spiraeoideae are more than the first load, system load operation institute subfam. Spiraeoideae, and the operation meeting of the second load
Trigger voltage jump；For the power supply of load supplying；And it is connected to the straight-through power supply circuit between load and power supply
With boosting power supply circuit, as shown in figure 4, this method includes：
Step 401, after starting up of terminal, detect the load that currently runs.
Wherein, the load of terminal includes the first load, the second load and system load, and wherein system load is opened in terminal
Running status is in all the time afterwards, to ensure the normal work of terminal.Second load open often moment pull it is very big
Electric current, because supplying cell by wire is connected to mainboard, wire can produce significantly pressure drop in the moment that the second load is opened, and arrive
The voltage of mainboard can be greatly reduced moment, if the start voltage that the voltage after the range of decrease is minimum less than terminal, terminal will shut down.
Therefore, it is necessary to which the situation of the load to currently running once is detected after starting up of terminal.Wherein in terminal
System load is in running status after unlatching, it is ensured that the normal operation of terminal.The power supply of terminal can be by straight-through
Power supply circuit is powered for system load.
In the load state that detection is currently run, it is only system load actually to detect the load currently run,
Or system load and the first load, or system load and the second load, also either system load, the first load and the
Two loads.If what is currently run is system load either system load and the first load, need to perform step 402, if working as
The load of preceding operation is that system load and second load, or system load, the first load and the second load, then now needs
Perform step 403.
If step 402, the load currently run are system load or are system load and the first load, by straight-through
Power supply circuit is load supplying.
When the load for detecting currently to run is only system load, due to system load be terminal normal work most
Small load, now it is powered by straight-through power supply circuit.If the load currently run is system load and the first load
When, because the first load is normal load, the unlatching of the first load will not pull very big electric current moment, now power supply
It is that the first load and system load are powered by straight-through power supply circuit.
If step 403, the load currently run be system load and second load or be system load, first load and
It is load supplying by straight-through power supply circuit or boosting power supply circuit according to the electricity of power supply during the second load.
Specifically, need to detect whether the load that currently runs includes the second load, if the load currently run includes the
During two loads, two kinds of situations can be now divided into：The load currently run is system load and the second load, or is currently transported
Capable load is system load, the first load and the second load.
If the load currently run is system load and the second load, need to check that power supply is currently stored
Electricity, after the currently stored electricity of power supply is obtained, by the currently stored electricity of power supply and default electricity
Threshold value is compared, and when the currently stored electricity of power supply is more than default power threshold, now power supply passes through straight
Logical power supply circuit is system load and the second load supplying.It is equal to or less than in the currently stored electricity of power supply default
During power threshold, now power supply is system load and the second load supplying by the power supply circuit that boosts.
When the load for detecting currently to run is system load, the first load and the second load, then need to check power supply
The currently stored electricity of power supply, it is after the currently stored electricity of power supply is obtained, power supply is currently stored
Electricity compared with default power threshold, when the currently stored electricity of power supply is more than default power threshold, this
When power supply by straight-through power supply circuit be system load, the first load and the second load supplying.In the current institute of power supply
When the electricity of storage is equal to or less than default power threshold, now power supply by boost power supply circuit for system load,
First load and the second load supplying.
The embodiment of the present invention two, the load state run by detection terminal, is only that system is born in the load of terminal operating
It is load supplying by straight-through power supply circuit when carrying or being system load and the first load, is to be in the load of terminal operating
When system load loads with second or is system load, the first load and the second load, then according to the determination of the electricity of power supply
Corresponding power supply circuit, can solve terminal load and open the power supply Voltage Drop triggered to shutdown voltage, cause terminal
Shutdown and the problem of can not effectively utilizing power supply electricity, during whole operation, no matter how backend load changes, all
Terminal closedown will not be made, more can effectively utilize power supply electricity, the usage experience of user is improved in terms of two.
Embodiment three
What the embodiment of the present invention three provided uses power supply power-supplying circuit to load the method being powered, applied to end
End, wherein, control circuit includes:Load, load include the system run all the time after the first load, the second load and terminal are opened
Load, the second load running institute subfam. Spiraeoideae are more than the first load, system load operation institute subfam. Spiraeoideae, and the operation meeting of the second load
Trigger voltage jump；For the power supply of load supplying；And it is connected to the straight-through power supply circuit between load and power supply
With boosting power supply circuit, as shown in figure 5, this method includes：
Step 501, after starting up of terminal, detect to open due to the second load and trigger the Voltage Drop of power supply to end
The first charge value that power supply during the shutdown voltage at end is stored.
After starting up of terminal, it is necessary to detect the Voltage Drop of power supply to terminal shutdown voltage when, power supply
The first charge value stored.Wherein the Voltage Drop of power supply the reason for for second load open, second load unlatching
Often moment pulls very big electric current, and because supplying cell by wire is connected to mainboard, wire is opened in the second load
Moment can produce significantly pressure drop, to mainboard voltage can moment be greatly reduced.And the first charge value that power supply is stored
With the capacity of supplying cell, connecting battery and the conductor length of mainboard and the second load has relation.
Step 502, determine that the first charge value that power supply is stored is default power threshold.
Detect the Voltage Drop of power supply to terminal shutdown voltage when, the first electricity for being stored of power supply
After value, determine that the first charge value that power supply is stored is default power threshold.
Step 503, by straight-through power supply circuit it is load supplying.
, it is necessary to ensure the normal operation of terminal after starting up of terminal.Now, the power supply of terminal can be by straight-through
Power supply circuit is the load supplying currently run.The load currently run can be system load, can be system load and
One load or system load and the second load, it can also be system load, the first load and the second load.Due to
The unlatching of two loads can trigger voltage jump, if current operating load includes the second load, the electricity of power supply can consume
Comparatively fast, voltage can also be greatly lowered.Therefore, it is necessary to perform step 504 on the premise of normal operation of terminal is ensured.
The load that step 504, detection are currently run.
After starting up of terminal, and by lead directly to power supply circuit to load supplying ensure terminal normal operation after, need
The load currently run is detected.In the load state that detection is currently run, actually detect what is currently run
Load only system load, or system load and the first load, or system load and the second load, also either it is
System load, the first load and the second load.If what is currently run is system load either system load and the first load, need
Perform step 505, if the load currently run be system load and second load, or system load, first load and
Second load, then now need to perform step 506.
If step 505, the load currently run are system load or are system load and the first load, by straight-through
Power supply circuit is load supplying.
When the load for detecting currently to run is only system load, due to system load be terminal normal work most
Small load, now it is powered by straight-through power supply circuit.If the load currently run is system load and the first load
When, because the first load is the normal loads such as resistance, the unlatching of the first load will not pull very big electric current moment, now supply
It is the first load supplying that power supply, which is only needed by straight-through power supply circuit,.
If step 506, the load currently run be system load and second load or be system load, first load and
It is load supplying by straight-through power supply circuit or boosting power supply circuit according to the electricity of power supply during the second load.
If the load currently run is system load and the second load, or the load currently run is system load, the
One load and second load when, due to second load belong to GSM, charger baby, projecting apparatus etc. open when often moment pull it is non-
The often load of big electric current, now need to detect the electricity that power supply is stored, the electricity stored according to power supply come
Judge to choose the straight-through power supply circuit power supply circuit that still boosts to be powered for load.
Wherein, it is load supplying by straight-through power supply circuit or boosting power supply circuit in the electricity according to power supply
When, specific discriminant approach is as follows：
By the electricity of power supply compared with default power threshold；
When the electricity of power supply is equal to or less than default power threshold, by boosting, power supply circuit supplies for load
Electricity；
It is load supplying by straight-through power supply circuit when the electricity of power supply is more than default power threshold.
Firstly the need of the electricity by obtained power supply is detected compared with the default power threshold determined before, root
According to the electricity that power supply is stored and the comparative result of default power threshold, to determine to use which kind of power supply circuit to be born for system
Carry and second loads or be powered for system load, the first load and the second load.
When the electricity of power supply is equal to or less than default power threshold, now in order to avoid terminal closedown, it is necessary to
Startup boosting power supply circuit is system load and the second load or is that system load, the first load and the second load are supplied
Electricity.
When the electricity of power supply is more than default power threshold, the problem of will not now producing terminal closedown, can adopt
With straight-through power supply circuit be system load and second load or be system load, first load and second load be powered.
Wherein, when the electricity of power supply is more than default power threshold, by straight-through power supply circuit be load supplying it
Afterwards, this method also includes：
The remaining electricity of detection power supply in real time, and the remaining electricity of power supply is entered with default power threshold
Row compares；
When the remaining electricity of power supply is equal to or less than default power threshold, straight-through power supply circuit is closed, is opened
It is load supplying to open boosting power supply circuit.
After using straight-through power supply circuit to be system load and the second load is powered, power supply can be consumed due to loading
The electricity of power supply, the especially second load, in order to avoid there is the electric quantity consumption of power supply to when being less than default power threshold
The problem of producing terminal closedown.Need electricity remaining to power supply in real time to detect, the power supply electricity of acquisition will be detected
The remaining electricity in source is compared with default power threshold.When the remaining electricity of power supply is equal to or less than default electricity
When measuring threshold value, now need to close straight-through power supply circuit, it is system load and the second load supplying to open boosting power supply circuit.
After using straight-through power supply circuit to be powered for system load, the first load and the second load, due to load
The electricity of power supply can be consumed, in order to avoid being produced eventually when there is the electric quantity consumption of power supply to less than default power threshold
The problem of end shutdown.Electricity remaining to power supply in real time is needed to detect, the power supply for detecting acquisition is remaining
Remaining electricity is compared with default power threshold.When the remaining electricity of power supply is equal to or less than default power threshold
When, now need to close straight-through power supply circuit, it is that system load, the first load and the second load supply to open boosting power supply circuit
Electricity.
The embodiment of the present invention three, the load state run by detection terminal, is only that system is born in the load of terminal operating
It is load supplying by straight-through power supply circuit when carrying or being system load and the first load, is to be in the load of terminal operating
When system load loads with second or is system load, the first load and the second load, then according to the determination of the electricity of power supply
Corresponding power supply circuit, can solve terminal load and open the power supply Voltage Drop triggered to shutdown voltage, cause terminal
Shutdown and the problem of can not effectively utilizing power supply electricity, during whole operation, no matter how backend load changes, all
Terminal closedown will not be made, more can effectively utilize power supply electricity, the usage experience of user is improved in terms of two.
Example IV
What the embodiment of the present invention four provided uses power supply power-supplying circuit to load the method being powered, applied to end
End, wherein, control circuit includes:Load, load include the system run all the time after the first load, the second load and terminal are opened
Load, the second load running institute subfam. Spiraeoideae are more than the first load, system load operation institute subfam. Spiraeoideae, and the operation meeting of the second load
Trigger voltage jump；For the power supply of load supplying；And it is connected to the straight-through power supply circuit between load and power supply
With boosting power supply circuit, as shown in fig. 6, this method includes：
Step 601, starting up of terminal.
Terminal is first turned on, step 602 is performed after starting up of terminal.
Step 602, terminal use the straight-through power supply circuit of acquiescence as system load and the first load supplying.
Wherein, the first load is normal load, and the unlatching of the first load will not pull very big electric current moment.System is born
The load for carrying to run all the time after starting up of terminal, it is ensured that the normal operation of terminal.Now, the power supply of terminal can
Using by leading directly to power supply circuit as the system load currently run and the first load supplying.
After execution of step 602 uses the straight-through power supply circuit given tacit consent to as system load and the first load supplying, need
Perform step 603.
Step 603, judge whether the second load opens.
Often moment pulls the negative of very big electric current when second load belongs to the unlatching such as GSM, charger baby, projecting apparatus
Carry.Because supplying cell by wire is connected to mainboard, wire can produce significantly pressure drop in the moment that the second load is opened, to master
The voltage of plate can be greatly reduced moment, if the start voltage that the voltage after the range of decrease is minimum less than terminal, terminal will shut down.Cause
The operation whether opened to terminal of this second load has a significant impact.
If the second load has been switched on, need to perform step 604, if the second load is not turned on, need
Continue executing with step 602.
Step 604, the current remaining electricity of detection power supply.
If second load have been switched on, due to second load unlatching when often moment pull very big electric current, enter
And cause the voltage of mainboard to be greatly reduced moment, in order to avoid there is the start electricity minimum less than terminal of the voltage after the range of decrease
Pressure, terminal produce the problem of shutting down.Need to detect the current remaining electricity of power supply, perform upon completion of the assays
Step 605.
Step 605, by the current remaining electricity of power supply compared with default power threshold.
, wherein it is desired to detect default power threshold in advance, after starting up of terminal, detect because the second load unlatching is drawn
Send out the Voltage Drop of power supply to terminal shutdown voltage when the first charge value for being stored of power supply, determine the first electricity
Measure to preset power threshold.
When the current remaining electricity of power supply is equal to or less than default power threshold, then need to perform step
606, when the current remaining electricity of power supply is higher than default power threshold, then need to perform step 607.
Step 606, when the current remaining electricity of power supply is equal to or less than default power threshold, close straight-through
Power supply circuit, use system load, first load and second load supplying of the boosting power supply circuit for rear end.
When the current remaining electricity of power supply is equal to or less than default power threshold, now in order to avoid appearance
The problem of terminal closedown, unlatching boosting power supply circuit, power supply passed through the power supply circuit that boosts, it is necessary to close straight-through power supply circuit
For load supplying, to ensure the normal operation of mobile terminal.
Step 607, when the electricity of power supply is more than default power threshold, supplied by straight-through power supply circuit for load
Electricity.
When the electricity of power supply is more than default power threshold, the problem of being not in now terminal closedown, still may be used
To be continuing with straight-through power supply circuit, power supply is load supplying by straight-through power supply circuit.
It should be noted that, it is necessary to continue after the second load is opened and uses straight-through power supply circuit as load supplying
Perform step 604.The electricity that detection power supply is remaining in real time is needed, and by the remaining electricity of power supply with presetting
Power threshold is compared；When the remaining electricity of power supply is more than default power threshold, continue using straight-through power supply electricity
Road is load supplying, until when the remaining electricity of power supply is equal to or less than default power threshold, closes straight-through supply
Circuit, it is load supplying to open boosting power supply circuit.
The embodiment of the present invention four, in starting up of terminal and the straight-through power supply circuit of acquiescence is used to be loaded for system load and first
After power supply, judge whether the second load opens, when the second load is not opened or the second load is opened and the electricity of power supply
When amount is more than default power threshold, then continue to use straight-through power supply circuit as load supplying, if the second load is opened but power supply electricity
It is load supplying by the power supply circuit that boosts when the electricity in source is equal to or less than default power threshold.Can solve terminal to bear
Carry and open the power supply Voltage Drop triggered to shutdown voltage, cause terminal closedown and can not effectively utilize power supply electricity
The problem of, during whole operation, no matter how backend load changes, and all without terminal closedown is made, more can effectively utilize confession
Electric electric quantity of power supply, the usage experience of user is improved in terms of two.
Above-described is the preferred embodiment of the present invention, it should be pointed out that is come for the ordinary person of the art
Say, some improvements and modifications can also be made under the premise of principle of the present invention is not departed from, and these improvements and modifications also exist
In protection scope of the present invention.
Claims (10)
1. a kind of power supply power-supplying circuit, it is characterised in that the control circuit includes:
Load, described load include the first system load for loading, being run all the time after the second load and terminal unlatching, and described second
Load running institute subfam. Spiraeoideae is more than the described first load, system load operation institute subfam. Spiraeoideae, and the fortune of second load
Voltage jump triggers in guild；
For the power supply of the load supplying；And
The straight-through power supply circuit and boosting power supply circuit being connected between the load and the power supply.
2. control circuit according to claim 1, it is characterised in that the system load includes:Control the power supply electricity
The processor of source power supply, the signal input part of the processor are connected with the power supply, the first signal of the processor
Output end is connected with the straight-through power supply circuit and the boosting power supply circuit respectively, the secondary signal output end of the processor
Connected respectively with the described first load and second load.
3. control circuit according to claim 2, it is characterised in that the processor includes：
For the detecting element for the electricity for detecting the power supply；
With the detecting element connection, the comparison by the electricity of the power supply compared with default power threshold it is first
Part, and
Control element be connected with the comparing element, that control signal is sent according to the comparative result of the comparing element.
4. control circuit according to claim 3, it is characterised in that the signal input part of the detecting element and the confession
Power supply is connected, and the signal output part of the control element is connected with the straight-through power supply circuit and the boosting power supply circuit.
5. control circuit according to claim 3, it is characterised in that the signal output part of the detecting element and the ratio
Signal input part compared with element connects, and the signal input part of the signal output part of the comparing element and the control element connects
Connect.
6. a kind of method that power supply power-supplying circuit using as described in any one of claim 1 to 5 is powered, is applied to
Terminal, it is characterised in that methods described includes：
After the starting up of terminal, the load currently run is detected；
It is institute by straight-through power supply circuit if the load currently run is system load or is system load and the first load
State load supplying；
If the load currently run be the system load and second load or be the system load, it is described first load and
It is the load by straight-through power supply circuit or boosting power supply circuit according to the electricity of power supply during second load
Power supply.
7. according to the method for claim 6, it is characterised in that after the starting up of terminal, detection is currently run negative
Before load, methods described also includes：
It is the load supplying by the straight-through power supply circuit.
8. according to the method for claim 6, it is characterised in that the electricity according to power supply, pass through straight-through power supply
The step of circuit or boosting power supply circuit are the load supplying includes：
By the electricity of the power supply compared with default power threshold；
When the electricity of the power supply is equal to or less than the default power threshold, it is by the boosting power supply circuit
The load supplying；
It is the load by the straight-through power supply circuit when the electricity of the power supply is more than the default power threshold
Power supply.
9. according to the method for claim 8, it is characterised in that when the electricity of the power supply is more than the default electricity
During threshold value, by the straight-through power supply circuit for after the load supplying, methods described also includes：
Detect the remaining electricity of the power supply in real time, and by the remaining electricity of the power supply and the default electricity
Amount threshold value is compared；
When the remaining electricity of the power supply is equal to or less than the default power threshold, the straight-through power supply is closed
Circuit, it is the load supplying to open the boosting power supply circuit.
10. according to the method for claim 6, it is characterised in that after the starting up of terminal, detection is currently run negative
Before load, methods described also includes：
Detect due to the described second load open trigger the Voltage Drop of the power supply to the terminal shutdown voltage when
The first charge value for being stored of the power supply；
Determine that the first charge value that the power supply is stored is default power threshold.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610737052.6A CN107783580A (en) | 2016-08-26 | 2016-08-26 | A kind of power supply power-supplying circuit and the method being powered using control circuit |
| PCT/CN2017/086862 WO2018036238A1 (en) | 2016-08-26 | 2017-06-01 | Control circuit, method, and computer storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610737052.6A CN107783580A (en) | 2016-08-26 | 2016-08-26 | A kind of power supply power-supplying circuit and the method being powered using control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107783580A true CN107783580A (en) | 2018-03-09 |
Family
ID=61245429
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610737052.6A Pending CN107783580A (en) | 2016-08-26 | 2016-08-26 | A kind of power supply power-supplying circuit and the method being powered using control circuit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107783580A (en) |
| WO (1) | WO2018036238A1 (en) |
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| CN111316528A (en) * | 2018-07-27 | 2020-06-19 | 华为技术有限公司 | Power supply circuit of terminal equipment, terminal equipment and power supply method |
| CN111824045A (en) * | 2020-07-14 | 2020-10-27 | 上海创功通讯技术有限公司 | Vehicle-mounted equipment's interface module and vehicle-mounted equipment |
| CN112018863A (en) * | 2020-08-31 | 2020-12-01 | 广州极飞科技有限公司 | Power supply adjusting circuit and power supply device |
| WO2021057947A1 (en) * | 2019-09-29 | 2021-04-01 | 深圳市道通科技股份有限公司 | Control system and method for improving battery output energy efficiency, and electronic device |
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| CN111490567A (en) * | 2019-01-28 | 2020-08-04 | 青岛海信移动通信技术股份有限公司 | Mobile terminal and power supply control method thereof |
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