CN108874009A - A kind of method, controller and the system of dynamic adaptation load - Google Patents
A kind of method, controller and the system of dynamic adaptation load Download PDFInfo
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- CN108874009A CN108874009A CN201810828356.2A CN201810828356A CN108874009A CN 108874009 A CN108874009 A CN 108874009A CN 201810828356 A CN201810828356 A CN 201810828356A CN 108874009 A CN108874009 A CN 108874009A
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- 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
- G05F1/561—Voltage to current converters
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Abstract
The invention discloses method, controller and the system of a kind of load of dynamic adaptation, the method for dynamic adaptation load receives the payload size ratio that the first DC-DC circuit is sent；Determine that the first DC-DC circuit is in underloading when the payload size ratio of the first DC-DC circuit is less than or equal to the first default load percentage；First group of load of the first DC-DC circuit is switched into the second DC-DC circuit, closes the first DC-DC circuit；Second DC-DC circuit is that non-underloading DC-DC circuit either one or two of is removed other than the first DC-DC circuit in multiple DC-DC circuits.This method monitors the load condition of each DC-DC circuit in real time, the load for being lightly loaded DC-DC circuit is switched to the identical DC-DC circuit of output voltage, underloading DC-DC circuit is simultaneously closed off, guarantees that DC-DC circuit is worked at any time in optimum translation efficient state, in order to save energy consumption.
Description
Technical field
The present invention relates to chip power supply control technical field more particularly to a kind of methods of dynamic adaptation load, controller
And system.
Background technique
With the development of electronic technology, one-board power supply becomes a kind of important chip power supply.Wherein, one-board power supply packet
Include multiple DC-DC (Direct Current-Direct Current, DC) circuit.Due to the maximum by power supply chip
Exporting the requirement of electric current or different chips on electrifying timing sequence influences, may be in the same veneer in one-board power supply design process
It is upper the different same voltage of DC-DC circuit output occur.
However, in DC-DC circuit work, according to the ratio of the output electric current of electric current and DC-DC circuit needed for loading, really
DC-DC circuit work is determined whether in underloading.When DC-DC circuit work is in full load, exporting transfer efficiency highest can be with
Reach 92% or so, when DC-DC work is when underloading, for transfer efficiency 80% or so, transfer efficiency difference 12% is left
The right side, thus, DC-DC circuit work will cause electric energy losses more more than full load at light load, cause to increase additional electricity
It can loss.
Summary of the invention
In order to solve the above technical problem existing in the prior art, the present invention provides a kind of side of dynamic adaptation load
Method, controller and system are closed simultaneously by the way that the load for being lightly loaded DC-DC circuit is switched to the identical DC-DC circuit of output voltage
Underloading DC-DC circuit is closed, can guarantee that DC-DC circuit is worked at any time in optimum translation efficient state, reduce electric energy
Loss.
To achieve the goals above, technical solution provided by the invention is as follows：
The present invention provides a kind of method of dynamic adaptation load, is applied in one-board power supply power supply, the one-board power supply packet
Multiple DC-DC DC-DC circuits are included, the output voltage of the multiple DC-DC circuit is equal；
Following dynamic adaptation carrying method is carried out for each DC-DC circuit, this method includes：
Receive the payload size ratio of the first DC-DC circuit transmission；First DC-DC circuit is the multiple DC-DC
Any of circuit；
First is determined when the payload size ratio of first DC-DC circuit is less than or equal to the first default load percentage
DC-DC circuit is in underloading；
First group of load of first DC-DC circuit is switched into the second DC-DC circuit, closes the first DC-DC
Circuit；Second DC-DC circuit is either one or two of to remove other than first DC-DC circuit in the multiple DC-DC circuit
Non- underloading DC-DC circuit.
Optionally, the method for the described dynamic adaptation load further includes：Judge that the load of second DC-DC circuit is big
Whether small scale is greater than the second default load percentage, when being greater than, first DC-DC circuit is opened, by described first group
Load the first DC-DC circuit described in switchback；The second default load percentage is greater than the described first default load percentage.
Optionally, the method for the described dynamic adaptation load further includes：Judge that the load of second DC-DC circuit is big
Whether small scale is greater than the second default load percentage, and when being greater than, first group of load is switched to other underloadings DC-DC electricity
Road；The second default load percentage is greater than the described first default load percentage.
Optionally, first group of load of first DC-DC circuit is switched into the second DC-DC circuit, specifically included：
Select the maximum DC-DC circuit of payload size ratio as the 2nd DC-DC from the multichannel DC-DC circuit
Circuit；
First group of load is switched into second DC-DC circuit.
Optionally, first group of load of first DC-DC circuit is switched into the second DC-DC circuit, specifically included：
Select the DC-DC circuit nearest apart from first DC-DC circuit as described in from the multichannel DC-DC circuit
Second DC-DC circuit；
First group of load is switched into second DC-DC circuit.
The present invention also provides a kind of controllers, are applied in one-board power supply power supply, the one-board power supply includes multiple direct currents-
The output voltage of direct current DC-DC circuit, the multiple DC-DC circuit is equal；
The controller, for receiving the payload size ratio of the first DC-DC circuit transmission；First DC-DC circuit
It is any of the multiple DC-DC circuit；When the payload size ratio of first DC-DC circuit is less than or equal to first
Determine that the first DC-DC circuit is in underloading when default load percentage；First group of load of first DC-DC circuit is switched to
Second DC-DC circuit closes first DC-DC circuit；Second DC-DC circuit is removed in the multiple DC-DC circuit
Either one or two of go other than first DC-DC circuit non-underloading DC-DC circuit.
Optionally, the controller, is also used to：
For judging whether the payload size ratio of second DC-DC circuit is greater than the second default load percentage, by institute
The first DC-DC circuit opening is stated, by the first DC-DC circuit described in first group of load switchback；The second default duty factor
Example is greater than the described first default load percentage.
Optionally, the controller, is also used to：
Judge whether the payload size ratio of second DC-DC circuit is greater than the second default load percentage, by described
One group of load is switched to other underloading DC-DC circuits；The second default load percentage is greater than the described first default load percentage.
Optionally, the controller is used to switching to first group of load of first DC-DC circuit into the 2nd DC-DC electricity
Road specifically includes：
The controller is used to that the maximum DC-DC circuit of payload size ratio to be selected to make from the multichannel DC-DC circuit
For second DC-DC circuit；First group of load is switched into second DC-DC circuit.
Optionally, the controller is used to switching to first group of load of first DC-DC circuit into the 2nd DC-DC electricity
Road specifically includes：
The controller from the multichannel DC-DC circuit for selecting the DC- nearest apart from first DC-DC circuit
DC circuit is as second DC-DC circuit；First group of load is switched into second DC-DC circuit.
The application also provides a kind of system of dynamic adaptation load, including：Described in multiple DC-DC circuits and any of the above-described
Controller；
The controller carries out dynamic adaptation load for controlling the DC-DC circuit.
Compared with prior art, the present invention has at least the following advantages：
The method of dynamic adaptation load provided by the present application, is applied in one-board power supply power supply, the one-board power supply includes
Multiple DC-DC DC-DC circuits, the output voltage of the multiple DC-DC circuit are equal；For each DC-DC circuit
Following dynamic adaptation carrying method is carried out, this method includes：Receive the payload size ratio of the first DC-DC circuit transmission；Institute
Stating the first DC-DC circuit is any of the multiple DC-DC circuit；When the payload size ratio of first DC-DC circuit
Example determines that the first DC-DC circuit is in underloading when being less than or equal to the first default load percentage；By first DC-DC circuit
First group of load switches to the second DC-DC circuit, closes first DC-DC circuit；Second DC-DC circuit is described more
Non- underloading DC-DC circuit either one or two of is removed other than first DC-DC circuit in a DC-DC circuit.This method passes through real-time
The load for being lightly loaded DC-DC circuit is switched to the identical DC-DC electricity of output voltage by the load condition for monitoring each DC-DC circuit
Road simultaneously closes off underloading DC-DC circuit, thus guarantee that DC-DC circuit is worked at any time in optimum translation efficient state,
In order to save energy consumption.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the flow chart of the method for the dynamic adaptation load that the embodiment of the present application one provides；
Fig. 2 is the flow chart of the method for the first dynamic adaptation load that the embodiment of the present application two provides；
Fig. 3 is the flow chart of the method for second of dynamic adaptation load that the embodiment of the present application two provides；
Fig. 4 is the flow chart of the method for the first dynamic adaptation load that the embodiment of the present application three provides；
Fig. 5 is the flow chart of the method for second of dynamic adaptation load that the embodiment of the present application three provides；
Fig. 6 is a kind of structural schematic diagram for control device that the embodiment of the present application four provides；
Fig. 7 is a kind of structural schematic diagram of the system for dynamic adaptation load that the embodiment of the present application six provides.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
Embodiment one：
Referring to Fig. 1, which is the flow chart of the method for the dynamic adaptation load that the embodiment of the present application one provides.
The method of dynamic adaptation load provided by the embodiments of the present application, is applied in one-board power supply power supply, the veneer electricity
Source includes multiple DC-DC DC-DC circuits, and the output voltage of the multiple DC-DC circuit is equal；
For example, the first one-board power supply includes 10 DC-DC circuits, wherein the output voltage of 3 DC-DC circuits is 5V,
The output voltage of 3 DC-DC circuits is that the output voltage of 3.3V and 4 DC-DC circuit is 2.7V.
It should be noted that the output electric current of the identical multiple DC-DC circuits of output voltage can be identical in one-board power supply
It can not also be identical.Moreover, the size of DC-DC circuit output electric current will affect the power of the load capacity of the circuit, if DC-DC
The output electric current of circuit is bigger, then the load capacity of the circuit is stronger.For example, output voltage is the 3 of 5V in the first one-board power supply
The output electric current of a DC-DC circuit is followed successively by 10A, 6A and 3A, wherein the load capacity for the DC-DC circuit that output electric current is 10A
It is most strong, and the load capacity for exporting the DC-DC circuit that electric current is 3A is most weak.
Following dynamic adaptation carrying method is carried out for each DC-DC circuit, this method includes：
S101：Receive the payload size ratio of the first DC-DC circuit transmission；First DC-DC circuit is the multiple
Any of DC-DC circuit；
Payload size ratio refers in DC-DC circuit work, electric current needed for the circuit load and the circuit output current
Ratio.For example, output electric current when the first DC-DC circuit works is 10A, and electric current needed for the load of the circuit is 9A,
At this point, the payload size ratio of the first DC-DC circuit is 9/10.
S102：It is true when the payload size ratio of first DC-DC circuit is less than or equal to the first default load percentage
Fixed first DC-DC circuit is in underloading；
First default load percentage is for judging whether DC-DC circuit is in light condition.First default duty factor
Example can be to be arranged when factory, is also possible to be arranged according to the operative scenario of the DC-DC circuit in one-board power supply.Such as when
When the first default load percentage is arranged is 50%, when the payload size ratio of the first DC-DC circuit is less than or equal to 50%, determine
First DC-DC circuit is in underloading.
S103：First group of load of first DC-DC circuit is switched into the second DC-DC circuit, closes described first
DC-DC circuit；Second DC-DC circuit is that appointing other than first DC-DC circuit is removed in the multiple DC-DC circuit
One non-underloading DC-DC circuit.
First group of load refers to all loads in the first DC-DC circuit, wherein first group of load may include one negative
It carries, also may include multiple loads.Such as first group of load includes 3 chips, i.e. the first DC-DC circuit needs for 3 chips
It is powered.
Second DC-DC circuit is identical as the output voltage of the first DC-DC circuit, and the payload size of the second DC-DC circuit
Ratio is greater than the first default load percentage.
As an example, S103 can be specially：When it is 50% that load percentage is preset in setting first, the first DC-DC circuit
Output voltage is 5V and output electric current is 10A, and electric current needed for first group of load is 1A, and the second DC-DC circuit output voltage is
5V, output electric current is 8A and payload size ratio is 60%, then first group of load of the first DC-DC circuit is switched to second
In DC-DC circuit, and close the first DC-DC circuit.
For the ease of the understanding for the method that those skilled in the art load dynamic adaptation provided by the embodiments of the present application, under
Face will be illustrated by taking the first one-board power supply as an example.
Assuming that the first default load percentage is 50%.
First one-board power supply includes the first DC-DC circuit and the second DC-DC circuit, wherein the output of the first DC-DC circuit
Voltage is 5V and output electric current is 10A, and the output voltage of the second DC-DC circuit is 5V and output electric current is 8A；First DC-DC electricity
Electric current needed for first group of load in road is 1A, and electric current needed for second group of load in the second DC-DC circuit is 4.8A.
The method process of first first group of one-board power supply dynamic adaptation load is：
Firstly, the first DC-DC circuit electric current 1A according to needed for the output electric current 10A of the circuit and first group of load is obtained
And send the payload size ratio 10% of the first DC-DC circuit.
Then, the payload size ratio 10% of the first DC-DC circuit is obtained compared with the first default load percentage 50%
The payload size ratio 10% of first DC-DC circuit determines the first DC-DC circuit less than the first default load percentage 50%
In underloading.
Finally, due to which the voltage of the second DC-DC circuit is identical as the voltage of the first DC-DC circuit, and the second DC-DC circuit
The payload size ratio 60% of two groups of loads of load regulation is greater than the first default load percentage 50%, thus, by the first DC-DC circuit
First group of load switch to the second DC-DC circuit of non-underloading, and close the first DC-DC circuit.
The method of dynamic adaptation load provided by the embodiments of the present application, is applied in one-board power supply power supply, the veneer electricity
Source includes multiple DC-DC DC-DC circuits, and the output voltage of the multiple DC-DC circuit is equal；For each DC-
DC circuit carries out following dynamic adaptation carrying method, and this method includes：Receive the payload size ratio of the first DC-DC circuit transmission
Example；First DC-DC circuit is any of the multiple DC-DC circuit；When the load of first DC-DC circuit is big
Small scale determines that the first DC-DC circuit is in underloading when being less than or equal to the first default load percentage；By the first DC-DC electricity
First group of load on road switches to the second DC-DC circuit, closes first DC-DC circuit；Second DC-DC circuit is institute
It states and either one or two of removes other than first DC-DC circuit non-underloading DC-DC circuit in multiple DC-DC circuits.This method passes through
The load for being lightly loaded DC-DC circuit is switched to the identical DC- of output voltage by the load condition for monitoring each DC-DC circuit in real time
DC circuit simultaneously closes off underloading DC-DC circuit, to guarantee that DC-DC circuit is worked at any time in optimum translation efficiency
State, in order to save energy consumption.
Method based on the dynamic adaptation load that above embodiments provide, in order to meet the current needs of varying duty, this
Application embodiment additionally provides a kind of method of dynamic adaptation load, is described in detail with reference to the accompanying drawing.
Embodiment two：
Referring to fig. 2, which is the flow chart of the method for the first dynamic adaptation load that the embodiment of the present application two provides.
The method of dynamic adaptation load provided by the embodiments of the present application, including：
S201-S203 is identical as S101-S103 respectively, and details are not described herein.
S204：Judge whether the payload size ratio of second DC-DC circuit is greater than the second default load percentage, when big
Yu Shi opens first DC-DC circuit, by the first DC-DC circuit described in first group of load switchback；Described second is pre-
If load percentage is greater than the described first default load percentage.
Second preset ratio be for judging whether the load of the second DC-DC circuit is more than default safety standard, and it is default
Safety standard refers to the standard of the second DC-DC circuit trouble free service.Second preset ratio, which can be, to be arranged when factory, can also be with
It is to be arranged according to the element of the DC-DC circuit in one-board power supply.
For example, the output electric current of the second DC-DC circuit is 8A and the 2nd DC- when it is 90% that the second preset ratio, which is arranged,
The electric current that all loads on DC circuit need is 7.8A, then the payload size ratio 97.5% of the second DC-DC circuit is greater than the
Two preset ratios 90%, at this point, the second DC-DC circuit is dangerous.
Since the second default load percentage is set according to the default safety standard of DC-DC circuit, thus, second is default
Load percentage is for providing DC-DC circuit maximum load capacity；But the first default load percentage is to be according to DC-DC circuit
It is no in underloading setting, and underloading indicates that DC-DC circuit load is smaller, thus, it is pre- that the second default load percentage is greater than first
If load percentage.
For the ease of the understanding for the method that those skilled in the art load dynamic adaptation provided by the embodiments of the present application, under
Face will be illustrated by taking the first one-board power supply as an example.
Assuming that the first default load percentage is 50%；Second default load percentage is 90%.
First one-board power supply includes the first DC-DC circuit and the second DC-DC circuit, wherein the output of the first DC-DC circuit
Voltage is 5V and output electric current is 10A, and the output voltage of the second DC-DC circuit is 5V and output electric current is 8A；First DC-DC electricity
Electric current needed for first group of load in road is 1A；Electric current needed for second group of load in second DC-DC circuit is 6.8A.
The method process of first first group of one-board power supply dynamic adaptation load is：
Firstly, the first DC-DC circuit electric current 1A according to needed for the output electric current 10A of the circuit and first group of load is obtained
And send the payload size ratio 10% of the first DC-DC circuit.
Secondly, the payload size ratio 10% of the first DC-DC circuit is obtained compared with the first default load percentage 50%
The payload size ratio 10% of first DC-DC circuit determines the first DC-DC circuit less than the first default load percentage 50%
In underloading.
Then, since the voltage of the second DC-DC circuit is identical as the voltage of the first DC-DC circuit, and the second DC-DC circuit
The payload size ratio 85% of two groups of loads of load regulation is greater than the first default load percentage 50%, thus, by the first DC-DC circuit
First group of load switch to the second DC-DC circuit of non-underloading, and close the first DC-DC circuit.
However, the electric current as needed for the first group of load and second group of load loaded in the second DC-DC circuit is 7.8A,
At this point, the payload size ratio 97.5% of the second DC-DC circuit is greater than the second default load percentage 90%, thus, in order to guarantee
Circuit safety first opens the first DC-DC circuit, and first group of load is then switched back into the first DC-DC circuit.
The method of dynamic adaptation provided by the embodiments of the present application load, when cutting first group of load from the first DC-DC circuit
After shifting to the second DC-DC circuit, if the payload size ratio of the second DC-DC circuit is greater than the second default load, open in time
First DC-DC circuit, and first group of load is switched back into the first DC-DC circuit, to ensure that the safety of DC-DC circuit.
In addition, present invention also provides the methods of another dynamic adaptation load to realize above-mentioned purpose, it is described below
This method.
Referring to Fig. 3, which is the flow chart of the method for second of dynamic adaptation load that the embodiment of the present application two provides.
The method of dynamic adaptation load provided by the embodiments of the present application, including：
S301-S303 is identical as the content of S101-S103 respectively, and details are not described herein.
S304：Judge whether the payload size ratio of second DC-DC circuit is greater than the second default load percentage, when big
First group of load is switched to other underloading DC-DC circuits by Yu Shi；The second default load percentage is greater than described first
Default load percentage.
Other underloading DC-DC circuits refer to it is identical as the voltage of the second DC-DC circuit, and the DC-DC circuit be in underloading
State.
For the ease of the understanding for the method that those skilled in the art load dynamic adaptation provided by the embodiments of the present application, under
Face will be illustrated by taking the first one-board power supply as an example.
Assuming that the first default load percentage is 50%；Second default load percentage is 90%.
First one-board power supply includes the first DC-DC circuit and the second DC-DC circuit, wherein the output of the first DC-DC circuit
Voltage is 5V and output electric current is 10A, and the output voltage of the second DC-DC circuit is 5V and output electric current is 8A, the 3rd DC-DC electricity
The output voltage on road is 5V and output electric current is 5A；Electric current needed for first group of load in first DC-DC circuit is 1A；Second
Electric current needed for second group of load in DC-DC circuit is 6.8A, electric current needed for the third group load in third DC-DC circuit
For 1A.
The method process of first first group of one-board power supply dynamic adaptation load is：
Firstly, the first DC-DC circuit electric current 1A according to needed for the output electric current 10A of the circuit and first group of load is obtained
And send the payload size ratio 10% of the first DC-DC circuit.
Secondly, the payload size ratio 10% of the first DC-DC circuit is obtained compared with the first default load percentage 50%
The payload size ratio 10% of first DC-DC circuit determines the first DC-DC circuit less than the first default load percentage 50%
In underloading.
Then, since the voltage of the second DC-DC circuit is identical as the voltage of the first DC-DC circuit, and the second DC-DC circuit
The payload size ratio 85% of two groups of loads of load regulation is greater than the first default load percentage 50%, thus, by the first DC-DC circuit
First group of load switch to the second DC-DC circuit of non-underloading, and close the first DC-DC circuit.
However, the electric current as needed for the first group of load and second group of load loaded in the second DC-DC circuit is 7.8A,
At this point, the payload size ratio 97.5% of the second DC-DC circuit is greater than the second default load percentage 90%, thus, in order to guarantee
First group of load is switched to the underloading third DC-DC circuit that payload size ratio is 20% by circuit safety.
The method of dynamic adaptation provided by the embodiments of the present application load further includes：Judge the negative of second DC-DC circuit
Carry whether size is greater than the second default load percentage, when being greater than, will first DC-DC circuit opening, by described the
First group of load is switched to other underloading DC-DC circuits by the first DC-DC circuit described in one group of load switchback.When by
After one group of load switches to the second DC-DC circuit from the first DC-DC circuit, if the payload size ratio of the second DC-DC circuit is big
When the second default load, first group of load is switched to the first DC-DC circuit or other underloadings DC-DC electricity in time by this method
Road, to ensure that the safety of DC-DC circuit.
Method based on a kind of dynamic adaptation load that above embodiments provide, in order to improve the efficiency of load allotment, this
Application embodiment additionally provides a kind of method of dynamic adaptation load, is described in detail with reference to the accompanying drawing.
Embodiment three：
Referring to fig. 4, which is the flow chart of the method for the first dynamic adaptation load that the embodiment of the present application three provides.
The method of dynamic adaptation load provided by the embodiments of the present application, including：
S401-S402 is identical as the content of S101-S102, and details are not described herein.
S403：Select the maximum DC-DC circuit of payload size ratio as described second from the multichannel DC-DC circuit
DC-DC circuit.
The search procedure of the maximum DC-DC circuit of payload size ratio is：
Firstly, obtaining multiple DC-DC circuits identical with the first DC-DC circuit output voltage in one-board power supply.
Then, the payload size ratio of each DC-DC circuit is obtained, and to the payload size ratio of multiple DC-DC circuits
It is compared, and then finds the maximum DC-DC circuit of payload size ratio.
For example, the 4th DC-DC circuit, the 5th DC-DC circuit and the 6th DC-DC circuit are defeated with the first DC-DC circuit
Voltage is identical out, wherein the payload size ratio of the 4th DC-DC circuit is 60%, the payload size ratio of the 5th DC-DC circuit
It is 70%；The payload size ratio of 6th DC-DC circuit is 80%, then is that payload size ratio is maximum by the 6th DC-DC circuit
DC-DC circuit.
S404：First group of load is switched into second DC-DC circuit.
For the ease of the understanding for the method that those skilled in the art load dynamic adaptation provided by the embodiments of the present application, under
Face will be illustrated by taking the first one-board power supply as an example.
Assuming that the first default load percentage is 50%.
First one-board power supply includes the first DC-DC circuit, the 4th DC-DC circuit, the 5th DC-DC circuit and the 6th DC-DC
Circuit, wherein the output voltage of the first DC-DC circuit is 5V and output electric current is 10A, the output voltage of the 4th DC-DC circuit
For 5V and payload size ratio is 60%；The output voltage of 5th DC-DC circuit is 5V and payload size ratio is 70%, the 6th
The output voltage of DC-DC circuit is 5V and payload size ratio is 80%；Needed for first group of load in first DC-DC circuit
Electric current is 1A.
The method process of first first group of one-board power supply dynamic adaptation load is：
Firstly, the first DC-DC circuit electric current 1A according to needed for the output electric current 10A of the circuit and first group of load is obtained
And send the payload size ratio 10% of the first DC-DC circuit.
Secondly, the payload size ratio 10% of the first DC-DC circuit is obtained compared with the first default load percentage 50%
The payload size ratio 10% of first DC-DC circuit determines the first DC-DC circuit less than the first default load percentage 50%
In underloading.
Then, the 4th DC-DC circuit identical with the output voltage of the first DC-DC circuit, the 5th DC-DC circuit are found
With the 6th DC-DC circuit, since the payload size ratio of the 4th DC-DC circuit is 60%, the payload size of the 5th DC-DC circuit
Ratio be 70% and the 6th the payload size ratio of DC-DC circuit be 80%, then select maximum 6th DC- of payload size ratio
DC circuit is as the second DC-DC circuit.
Finally, first group of load of the first DC-DC circuit is switched to the second DC-DC circuit, and close the first DC-DC electricity
Road, at this point, the second DC-DC circuit is non-underloading DC-DC circuit.
The method of dynamic adaptation load provided by the embodiments of the present application is by selecting payload size from multichannel DC-DC circuit
The maximum circuit of ratio improves the efficiency of load allotment as the second DC-DC circuit.
In addition, present invention also provides the methods of another dynamic adaptation load to realize above-mentioned purpose, it is described below
This method.
Referring to Fig. 5, which is the flow chart of the method for second of dynamic adaptation load that the embodiment of the present application three provides.
The method of dynamic adaptation load provided by the embodiments of the present application, including：
S501-S502 is identical as the content of S101-S102 respectively, and details are not described herein.
S503：The DC-DC circuit nearest apart from first DC-DC circuit is selected to make from the multichannel DC-DC circuit
For second DC-DC circuit.
Internal structure has been determined when due to one-board power supply factory, and needs conducting wire to be connected to corresponding DC-DC when circuit switching
On circuit, thus, for the ease of wiring, it can choose and distance first DC-DC electricity identical as the first DC-DC circuit output voltage
The nearest non-underloading DC-DC circuit in road is as the second DC-DC circuit.
S504 is identical as the content of S404, and details are not described herein.
For the ease of the understanding for the method that those skilled in the art load dynamic adaptation provided by the embodiments of the present application, under
Face will be illustrated by taking the first one-board power supply as an example.
Assuming that the first default load percentage is 50%.
First one-board power supply includes the first DC-DC circuit, the 7th DC-DC circuit, the 8th DC-DC circuit and the 9th DC-DC
Circuit, and the first DC-DC circuit, the 7th DC-DC circuit, the 8th DC-DC circuit and the 9th DC-DC circuit output voltage be
5V, wherein the 9th the first DC-DC circuit of DC-DC circuit distance of non-underloading is nearest；First group in first DC-DC circuit is negative
Electric current needed for carrying is 1A；
The method process of first first group of one-board power supply dynamic adaptation load is：
Firstly, the first DC-DC circuit electric current 1A according to needed for the output electric current 10A of the circuit and first group of load is obtained
And send the payload size ratio 10% of the first DC-DC circuit.
Secondly, the payload size ratio 10% of the first DC-DC circuit is obtained compared with the first default load percentage 50%
The payload size ratio 10% of first DC-DC circuit determines the first DC-DC circuit less than the first default load percentage 50%
In underloading.
Then, the 7th DC-DC circuit identical with the output voltage of the first DC-DC circuit, the 8th DC-DC circuit are found
With the 9th DC-DC circuit, recently and the 9th DC-DC circuit is in non-light due to the 9th the first DC-DC circuit of DC-DC circuit distance
Load state then selects the 9th DC-DC circuit as the second DC-DC circuit.
Finally, first group of load of the first DC-DC circuit is switched to the second DC-DC circuit, and close the first DC-DC electricity
Road.
By first group of load of first DC-DC circuit in the method for dynamic adaptation load provided by the embodiments of the present application
The second DC-DC circuit is switched to, is specifically included：The maximum DC-DC of payload size ratio is selected from the multichannel DC-DC circuit
Circuit is as second DC-DC circuit；First group of load is switched into second DC-DC circuit.Method by from
It selects the maximum circuit of payload size ratio as the second DC-DC circuit in multichannel DC-DC circuit, improves the effect of load allotment
Rate.Meanwhile a kind of method of dynamic adaptation load being also provided, by first group of load of first DC-DC circuit in this method
The second DC-DC circuit is switched to, is specifically included：It is selected apart from first DC-DC circuit most from the multichannel DC-DC circuit
Close DC-DC circuit is as second DC-DC circuit；First group of load is switched into second DC-DC circuit.It should
The non-underloading DC-DC circuit that method choice is identical as the first DC-DC circuit output voltage and the first DC-DC circuit of distance is nearest is most
It is easy to operate convenient for the internal wiring of one-board power supply for the second DC-DC circuit.
Method based on a kind of dynamic adaptation load that above embodiments provide, the embodiment of the present application also provides a kind of controls
Device processed, is described in detail with reference to the accompanying drawing.
Example IV：
Referring to Fig. 6, which is a kind of structural schematic diagram for control device that the embodiment of the present application four provides.
Control device provided by the embodiments of the present application, including：Payload size ratio receiving unit 601, first state judgement
Unit 602, the first switch unit 603 and closing unit 604；
The payload size ratio receiving unit 601, for receiving the payload size ratio of the first DC-DC circuit transmission；
First DC-DC circuit is any of the multiple DC-DC circuit；
The first state judging unit 602 is less than or waits for the payload size ratio when first DC-DC circuit
Determine that the first DC-DC circuit is in underloading when the first default load percentage；
First switch unit 603, for first group of load of first DC-DC circuit to be switched to the 2nd DC-
DC circuit；Second DC-DC circuit is non-underloading DC-DC circuit；
The closing unit 604, for closing first DC-DC circuit.
Optionally, the control device further includes：
Second state judging unit, for judging whether the payload size ratio of second DC-DC circuit is greater than second
Default load percentage；The second default load percentage is greater than the described first default load percentage；
Opening unit, for opening first DC-DC circuit；
Second switch unit is used for the first DC-DC circuit described in first group of load switchback.
Optionally, the control device further includes：
Third state judging unit, for judging whether the payload size ratio of second DC-DC circuit is greater than second
Default load percentage；
Third switch unit, for first group of load to be switched to other underloading DC-DC circuits.
Optionally, first switch unit 603, specifically includes：
First choice subelement, for selecting the maximum DC-DC electricity of payload size ratio from the multichannel DC-DC circuit
Road is as second DC-DC circuit；
First group of load switching subelement, for first group of load to be switched to second DC-DC circuit.
Optionally, first switch unit 603, specifically includes：
Second selection subelement, it is nearest apart from first DC-DC circuit for being selected from the multichannel DC-DC circuit
DC-DC circuit as second DC-DC circuit；
Second load switching subelement, for first group of load to be switched to second DC-DC circuit.
Control device provided by the embodiments of the present application includes：Payload size ratio receiving unit 601, first state judgement are single
First 602, first switch unit 603 and closing unit 604；The payload size ratio receiving unit 601, for receiving first
The payload size ratio that DC-DC circuit is sent；First DC-DC circuit is any of the multiple DC-DC circuit；Institute
First state judging unit 602 is stated, it is default to be less than or equal to first for the payload size ratio when first DC-DC circuit
Determine that the first DC-DC circuit is in underloading when load percentage；First switch unit 603, for the first DC-DC is electric
First group of load on road switches to the second DC-DC circuit；Second DC-DC circuit is non-underloading DC-DC circuit；The closing
Unit 604, for closing first DC-DC circuit.The load shape that the control device passes through each DC-DC circuit of real time monitoring
The load for being lightly loaded DC-DC circuit is switched to the identical DC-DC circuit of output voltage, simultaneously closes off underloading DC-DC circuit by state,
To guarantee that DC-DC circuit is worked at any time in optimum translation efficient state, in order to save energy consumption.
The method and control device, the embodiment of the present application loaded based on a kind of dynamic adaptation that above embodiments provide is also mentioned
A kind of controller is supplied.
Embodiment five：
Controller provided by the embodiments of the present application is applied in one-board power supply power supply, and the one-board power supply includes multiple straight
Stream-direct current DC-DC circuit, the output voltage of the multiple DC-DC circuit are equal；
The controller, for receiving the payload size ratio of the first DC-DC circuit transmission；First DC-DC circuit
It is any of the multiple DC-DC circuit；When the payload size ratio of first DC-DC circuit is less than or equal to first
Determine that the first DC-DC circuit is in underloading when default load percentage；First group of load of first DC-DC circuit is switched to
Second DC-DC circuit closes first DC-DC circuit；Second DC-DC circuit is removed in the multiple DC-DC circuit
Either one or two of go other than first DC-DC circuit non-underloading DC-DC circuit.
Optionally, the controller, is also used to：
For judging whether the payload size ratio of second DC-DC circuit is greater than the second default load percentage, by institute
The first DC-DC circuit opening is stated, by the first DC-DC circuit described in first group of load switchback；The second default duty factor
Example is greater than the described first default load percentage.
Optionally, the controller, is also used to：
Judge whether the payload size ratio of second DC-DC circuit is greater than the second default load percentage, by described
One group of load is switched to other underloading DC-DC circuits；The second default load percentage is greater than the described first default load percentage.
Optionally, the controller is used to switching to first group of load of first DC-DC circuit into the 2nd DC-DC electricity
Road specifically includes：
The controller is used to that the maximum DC-DC circuit of payload size ratio to be selected to make from the multichannel DC-DC circuit
For second DC-DC circuit；First group of load is switched into second DC-DC circuit.
Optionally, the controller is used to switching to first group of load of first DC-DC circuit into the 2nd DC-DC electricity
Road specifically includes：
The controller from the multichannel DC-DC circuit for selecting the DC- nearest apart from first DC-DC circuit
DC circuit is as second DC-DC circuit；First group of load is switched into second DC-DC circuit.
Controller provided by the embodiments of the present application is applied in one-board power supply power supply, and the one-board power supply includes multiple straight
Stream-direct current DC-DC circuit, the output voltage of the multiple DC-DC circuit are equal；The controller, for receiving the first DC-DC
The payload size ratio that circuit is sent；First DC-DC circuit is any of the multiple DC-DC circuit；When described
The payload size ratio of first DC-DC circuit determines that the first DC-DC circuit is in when being less than or equal to the first default load percentage
Underloading；First group of load of first DC-DC circuit is switched into the second DC-DC circuit, closes the first DC-DC electricity
Road；Second DC-DC circuit be either one or two of removed in the multiple DC-DC circuit other than first DC-DC circuit it is non-
It is lightly loaded DC-DC circuit.The controller will be lightly loaded the negative of DC-DC circuit by the load condition of each DC-DC circuit of real time monitoring
Load is switched to the identical DC-DC circuit of output voltage, simultaneously closes off underloading DC-DC circuit, to guarantee DC-DC circuit any
When work in optimum translation efficient state, in order to save energy consumption.
Based on a kind of control method, control device and controller that above embodiments provide, the embodiment of the present application is also provided
A kind of system of dynamic adaptation load, is with reference to the accompanying drawing described in detail.
Embodiment six：
Referring to Fig. 7, which is a kind of structural schematic diagram of the system for dynamic adaptation load that the embodiment of the present application six provides.
The system of dynamic adaptation load provided by the embodiments of the present application, which is characterized in that including：Any of the above-described kind of controller
701 and multiple DC-DC circuits；
The controller 701 carries out dynamic adaptation load for controlling the DC-DC circuit.
For the ease of the understanding for the system that those skilled in the art load dynamic adaptation provided by the embodiments of the present application, under
Face will be illustrated by taking the system of the dynamic adaptation load in Fig. 7 as an example.
Assuming that the first default load percentage is 50%.
The system of dynamic adaptation load in Fig. 7 includes controller 701 and four DC-DC circuits：First DC-DC circuit
702a, the second DC-DC circuit 702b, third DC-DC circuit 702c and the 4th DC-DC circuit 702d.Wherein, the first DC-DC electricity
The output voltage of road 702a is 5V and output electric current is 10A, and the output voltage of the second DC-DC circuit 702b is 5V and output electric current
For 8A；Electric current needed for first group of load in first DC-DC circuit 702a is 1A, second in the second DC-DC circuit 702b
Electric current needed for group load is 4.8A.
The course of work of dynamic adaptation load system is：
Firstly, the first DC-DC circuit 702a electric current 1A according to needed for the output electric current 10A of the circuit and first group of load
Obtain the payload size ratio 10% of the first DC-DC circuit 702a, and by the payload size ratio of the first DC-DC circuit 702a
10% is sent to controller 701.
Then, controller 701 is by the payload size ratio 10% of the first DC-DC circuit 702a and the first default load percentage
50% compares, obtain the payload size ratio 10% of the first DC-DC circuit 702a less than the first default load percentage 50%, in turn
Determine that the first DC-DC circuit 702a is in underloading.
Finally, due to which the voltage of the second DC-DC circuit 702b is identical as the voltage of the first DC-DC circuit 702a, and second
The load percentage size 60% of two groups of loads of DC-DC circuit 702b load regulation is greater than the first default load percentage 50%, thus, control
First group of load of first DC-DC circuit 702a is switched to the second DC-DC circuit 702b by device 701 processed, and closes the first DC-DC
Circuit 702a.
The system of dynamic adaptation load provided by the embodiments of the present application, including：Multiple DC-DC circuits and any of the above-described kind of control
Device 701 processed；The controller 701 carries out dynamic adaptation load for controlling the DC-DC circuit.The system by supervising in real time
The load for being lightly loaded DC-DC circuit is switched to the identical DC-DC circuit of output voltage by the load condition for controlling each DC-DC circuit,
Underloading DC-DC circuit is simultaneously closed off, thus guarantee that DC-DC circuit works at any time in optimum translation efficient state, with
Convenient for saving energy consumption.
It should be appreciated that in this application, " at least one (item) " refers to one or more, and " multiple " refer to two or two
More than a."and/or" indicates may exist three kinds of relationships, for example, " A and/or B " for describing the incidence relation of affiliated partner
It can indicate：A is only existed, B is only existed and exists simultaneously tri- kinds of situations of A and B, wherein A, B can be odd number or plural number.Word
Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"." at least one of following (a) " or its similar expression, refers to
Any combination in these, any combination including individual event (a) or complex item (a).At least one of for example, in a, b or c
(a) can indicate：A, b, c, " a and b ", " a and c ", " b and c ", or " a and b and c ", wherein a, b, c can be individually, can also
To be multiple.
The above described is only a preferred embodiment of the present invention, being not intended to limit the present invention in any form.Though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention.It is any to be familiar with those skilled in the art
Member, without departing from the scope of the technical proposal of the invention, all using the methods and technical content of the disclosure above to the present invention
Technical solution makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, it is all without departing from
The content of technical solution of the present invention, according to the technical essence of the invention any simple modification made to the above embodiment, equivalent
Variation and modification, all of which are still within the scope of protection of the technical scheme of the invention.
Claims (11)
1. a kind of method of dynamic adaptation load, which is characterized in that be applied in one-board power supply power supply, the one-board power supply includes
Multiple DC-DC DC-DC circuits, the output voltage of the multiple DC-DC circuit are equal；
Following dynamic adaptation carrying method is carried out for each DC-DC circuit, this method includes：
Receive the payload size ratio of the first DC-DC circuit transmission；First DC-DC circuit is the multiple DC-DC circuit
Any of；
The first DC- is determined when the payload size ratio of first DC-DC circuit is less than or equal to the first default load percentage
DC circuit is in underloading；
First group of load of first DC-DC circuit is switched into the second DC-DC circuit, closes first DC-DC circuit；
Second DC-DC circuit is that non-underloading either one or two of is removed other than first DC-DC circuit in the multiple DC-DC circuit
DC-DC circuit.
2. the method for dynamic adaptation load according to claim 1, which is characterized in that further include：Judge the 2nd DC-
Whether the payload size ratio of DC circuit is greater than the second default load percentage, and when being greater than, first DC-DC circuit is beaten
It opens, by the first DC-DC circuit described in first group of load switchback；It is default that the second default load percentage is greater than described first
Load percentage.
3. the method for dynamic adaptation load according to claim 1, which is characterized in that further include：Judge the 2nd DC-
Whether the payload size ratio of DC circuit is greater than the second default load percentage, and when being greater than, first group of load is switched to
Other underloading DC-DC circuits；The second default load percentage is greater than the described first default load percentage.
4. the method for dynamic adaptation load according to claim 1-3, which is characterized in that described by described first
First group of load of DC-DC circuit switches to the second DC-DC circuit, specifically includes：
Select the maximum DC-DC circuit of payload size ratio as the 2nd DC-DC electricity from the multichannel DC-DC circuit
Road；
First group of load is switched into second DC-DC circuit.
5. the method for dynamic adaptation load according to claim 1-3, which is characterized in that described by described first
First group of load of DC-DC circuit switches to the second DC-DC circuit, specifically includes：
Select the DC-DC circuit nearest apart from first DC-DC circuit as described second from the multichannel DC-DC circuit
DC-DC circuit；
First group of load is switched into second DC-DC circuit.
6. a kind of controller, which is characterized in that be applied in one-board power supply power supply, the one-board power supply includes that multiple direct currents-are straight
DC-DC circuit is flowed, the output voltage of the multiple DC-DC circuit is equal；
The controller, for receiving the payload size ratio of the first DC-DC circuit transmission；First DC-DC circuit is institute
State any of multiple DC-DC circuits；It is preset when the payload size ratio of first DC-DC circuit is less than or equal to first
Determine that the first DC-DC circuit is in underloading when load percentage；First group of load of first DC-DC circuit is switched to second
DC-DC circuit closes first DC-DC circuit；Second DC-DC circuit is that institute is removed in the multiple DC-DC circuit
Either one or two of state other than the first DC-DC circuit non-underloading DC-DC circuit.
7. controller according to claim 6, which is characterized in that the controller is also used to：
For judging whether the payload size ratio of second DC-DC circuit is greater than the second default load percentage, by described
One DC-DC circuit is opened, by the first DC-DC circuit described in first group of load switchback；The second default load percentage is big
In the described first default load percentage.
8. controller according to claim 6, which is characterized in that the controller is also used to：
Judge whether the payload size ratio of second DC-DC circuit is greater than the second default load percentage, it will be first group described
Load is switched to other underloading DC-DC circuits；The second default load percentage is greater than the described first default load percentage.
9. according to the described in any item controllers of claim 6-8, which is characterized in that the controller is used for described first
First group of load of DC-DC circuit switches to the second DC-DC circuit, specifically includes：
The controller from the multichannel DC-DC circuit for selecting the maximum DC-DC circuit of payload size ratio as institute
State the second DC-DC circuit；First group of load is switched into second DC-DC circuit.
10. according to the described in any item controllers of claim 6-8, which is characterized in that the controller is used for described first
First group of load of DC-DC circuit switches to the second DC-DC circuit, specifically includes：
The controller from the multichannel DC-DC circuit for selecting the DC-DC electricity nearest apart from first DC-DC circuit
Road is as second DC-DC circuit；First group of load is switched into second DC-DC circuit.
11. a kind of system of dynamic adaptation load, which is characterized in that including：Multiple DC-DC circuits and claim 6-10 are any
Controller described in；
The controller carries out dynamic adaptation load for controlling the DC-DC circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828356.2A CN108874009A (en) | 2018-07-25 | 2018-07-25 | A kind of method, controller and the system of dynamic adaptation load |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828356.2A CN108874009A (en) | 2018-07-25 | 2018-07-25 | A kind of method, controller and the system of dynamic adaptation load |
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|---|---|
| CN108874009A true CN108874009A (en) | 2018-11-23 |
Family
ID=64305074
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Application publication date: 20181123 |