CN108306279A - Power supply output control circuit and method - Google Patents
Power supply output control circuit and method Download PDFInfo
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- CN108306279A CN108306279A CN201710022741.3A CN201710022741A CN108306279A CN 108306279 A CN108306279 A CN 108306279A CN 201710022741 A CN201710022741 A CN 201710022741A CN 108306279 A CN108306279 A CN 108306279A
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- 230000005611 electricity Effects 0.000 claims abstract description 31
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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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The present invention provides a kind of power supply output control circuit and methods, wherein the method includes：At least duplex feeding power supply, for the roads at least duplex feeding power supply Zhong Mei power supply, one end of first switch is connected to for a pole of electricity output, the first intersection point of one end formation of second switch is connected to for another pole of electricity output, the other end of the first switch is connected to the other end the second intersection point of formation of the second switch, wherein, it is closed in the normal first switch of power supply, second switch is opened, and first switch is opened in the case of abnormal electrical power supply, and second switch is closed.Through the invention, it solves the mode flowed in the related technology and there is realization complexity, the low problem of reliability, and then reached reduction realization and flowed complexity, improve the effect of system reliability.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of power supply output control circuit and method.
Background technology
With high-power output and distributed power supply system extensive use, multi-power module parallel connection is rapidly developed.So
And under normal circumstances, do not allow module outlet chamber directly to carry out parallel connection, it is necessary to using measure is flowed, to ensure that each module is shared
Equal load current.Otherwise, the light running that module in parallel has, some heavy duties even overlond running, output voltage are low
Module is not not only load supplying, and instead at the load of the high module of output voltage, thermal stress distribution is uneven, is easily lost.
This will be such that the stability of system reduces, and production and life can be given to bring serious consequence, and power module shelf-life also can
Reduce significantly.The general equal Flow Technique of industry is mostly Current Sharing Technology, passes through average current model, peak point current method, Zhu Congshe
It sets the control methods such as method and sharing control is carried out to each supply line, realize the natural balanced of each road power supply.But it flows above
On the one hand mode realizes complexity, once flow equalizing circuit does not work, or even causes power supply the problems such as cannot powering occur,
Reliability is low；The equal mobility of the common Current Sharing Technology of another aspect industry is relatively low, and under the conditions of underloading or parallel connection power supply exports
Voltage accuracy will appear the problem of can not flowing in the case of differing greatly.
Therefore, the mode flowed in the related technology, which exists, realizes complicated, the low problem of reliability.
Invention content
An embodiment of the present invention provides a kind of power supply output control circuit and methods, at least to solve to carry out in the related technology
The mode flowed, which exists, realizes complicated, the low problem of reliability.
According to one embodiment of present invention, a kind of power supply output control circuit is provided, including：At least duplex feeding electricity
Source is connected to the one of first switch for the roads at least duplex feeding power supply Zhong Mei power supply for a pole of electricity output
End is connected to the first intersection point of one end formation of second switch, the other end connection of the first switch for another pole of electricity output
The other end to the second switch forms the second intersection point, wherein is closed in the normal first switch of power supply, second opens
It closes and opens, first switch is opened in the case of abnormal electrical power supply, and second switch is closed；At least duplex feeding power supply leads to successively
Cross corresponding first intersection point of the first power supply in adjacent power supply and the second power supply electricity in the adjacent power supply
The connected mode of corresponding second intersection point in source is connected, and output is powered.
Optionally, the roads at least duplex feeding power supply Zhong Mei power supply includes：Feeder ear and power supply module,
In, the feeder ear is connected with one end of the power supply module, for being powered to the power supply module；The power supply mould
Block, one end are connected with the feeder ear, and the two poles of the earth of other end output are corresponding with the power supply residing for the power supply module respectively
First switch and the second switch be connected, for be powered output.
Optionally, the roads at least duplex feeding power supply Zhong Mei power supply further includes voltage regulating module, for except institute
It states in the case of having power supply abnormal electrical power supply in the power supply outside the power supply residing for voltage regulating module, the pressure regulation is turned up
The supply voltage of the power supply module of power supply residing for module.
Optionally, the first switch and/or the second switch are mos field effect transistor
MOSFET or relay.
Optionally, at least duplex feeding power supply includes：Back-up power source, wherein the back-up power source is used
In the case of having power supply due to output abnormality in at least duplex feeding power supply, it is powered output.
According to another embodiment of the invention, a kind of power output control method is provided, including：Determine at least two-way
The operation conditions of the roads power supply Zhong Ge power supply, wherein power for the roads at least duplex feeding power supply Zhong Mei
Power supply is connected to one end of first switch for a pole of electricity output, and one end of second switch is connected to for another pole of electricity output
The first intersection point is formed, the other end of the first switch is connected to the other end the second intersection point of formation of the second switch, described
At least duplex feeding power supply pass sequentially through corresponding first intersection point of the first power supply in adjacent power supply with it is described adjacent
The mode that corresponding second intersection point of the second power supply in power supply is connected is connected, and output is powered；By determining fortune
The first switch of the normal power supply of row state is closed, and second switch is opened；And/or it is determining operating status is abnormal
The second switch of power supply is closed, and first switch is opened.
Optionally, the roads at least duplex feeding power supply Zhong Mei power supply includes：Feeder ear and power supply module,
In, the feeder ear is connected with one end of the power supply module, for being powered to the power supply module, the power supply mould
Block, one end are connected with the feeder ear, and the two poles of the earth of other end output are corresponding with the power supply residing for the power supply module respectively
First switch and the second switch be connected, for be powered output.
Optionally, it is closed by the second switch of the power supply of the operating status determined exception, described the
After one switch is opened, further include：The power supply of first power supply is turned up by the adjustment module in the first power supply
The supply voltage of module, wherein first power supply is at least two power supply in addition to operating status exception
The power supply outside power supply.
Optionally, the first switch and/or the second switch are mos field effect transistor
MOSFET or relay.
Optionally, it is closed by the second switch of the power supply of the operating status determined exception, described the
After one switch is opened, further include：Back-up power source described in starting at least in duplex feeding power supply, including：It will be described standby
It is closed with the first switch of power supply, second switch is opened.
According to still another embodiment of the invention, a kind of storage medium is additionally provided.The storage medium is set as storage and uses
In the program code for executing following steps：Determine the operation conditions of at least roads duplex feeding power supply Zhong Ge power supply, wherein
For the roads at least duplex feeding power supply Zhong Mei power supply, one end of first switch is connected to for a pole of electricity output,
The first intersection point of one end formation of second switch is connected to for another pole of electricity output, the other end of the first switch is connected to institute
The other end for stating second switch forms the second intersection point, and at least duplex feeding power supply passes sequentially through the in adjacent power supply
Corresponding first intersection point of one power supply the second intersection point corresponding with the second power supply in the adjacent power supply is connected
Mode connect, be powered output；The first switch of the determining normal power supply of operating status is closed, second switch
It opens；And/or be closed the second switch of the power supply of determining operating status exception, first switch is opened.
Optionally, storage medium is also configured to store the program code for executing following steps：At least two-way supplies
The roads power supply Zhong Mei power supply includes：Feeder ear and power supply module, wherein the feeder ear, with the power supply module
One end is connected, and for being powered to the power supply module, the power supply module, one end is connected with the feeder ear, the other end
The two poles of the earth of output respectively first switch and the second switch corresponding with the power supply residing for the power supply module be connected, for into
Row is for electricity output.
Optionally, storage medium is also configured to store the program code for executing following steps：In the operation that will be determined
The second switch of the power supply of abnormal state is closed, and after the first switch is opened, further includes：Pass through first
The supply voltage of the power supply module of first power supply is turned up in adjustment module in power supply, wherein described first supplies
Power supply is the power supply other than the power supply of operating status exception at least two power supply.
Optionally, storage medium is also configured to store the program code for executing following steps：The first switch and/
Or the second switch is mos field effect transistor MOSFET or relay.
Optionally, storage medium is also configured to store the program code for executing following steps：In the operation that will be determined
The second switch of the power supply of abnormal state is closed, and after the first switch is opened, further includes：Described in startup
Back-up power source at least in duplex feeding power supply, including：The first switch of the back-up power source is closed, second opens
It closes and opens.
Through the invention, it due to being powered output using the concatenated mode of power supply, powers simultaneously for every road electric
Source controls power supply for electricity output using the first switch and the concatenated second switch of recovery that are powered off for failure
Therefore system can solve the mode flowed in the related technology and there is realization complexity, the low problem of reliability reaches reduction
Complexity is flowed in realization, improves the effect of system reliability.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of power supply output control circuit according to the ... of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram one of power supply output control circuit according to the preferred embodiment of the invention；
Fig. 3 is the structural schematic diagram two of power supply output control circuit according to the preferred embodiment of the invention；
Fig. 4 is that the structure that power supply module N+1 is backed up in power supply output control circuit according to the preferred embodiment of the invention is shown
It is intended to；
Fig. 5 is the structural schematic diagram three of power supply output control circuit according to the preferred embodiment of the invention；
Fig. 6 is the structural schematic diagram four of power supply output control circuit according to the preferred embodiment of the invention；
Fig. 7 is the structural schematic diagram five of power supply output control circuit according to the preferred embodiment of the invention；
Fig. 8 is the flow chart of power output control method according to the ... of the embodiment of the present invention.
Specific implementation mode
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.
Embodiment 1
The power supply output control circuit that the embodiment of the present application 1 is provided can be applied to high-power output and distributed electrical
Under the scene of source system.Fig. 1 is the structural schematic diagram of power supply output control circuit according to the ... of the embodiment of the present invention, as shown in Figure 1,
The power supply output control circuit includes：At least duplex feeding power supply 12, respectively one or more corresponding with every road power supply
First switch 14 and respectively one or more second switches corresponding with every road power supply 16, wherein
For at least roads duplex feeding power supply Zhong12Mei power supply, connect for a pole (anode or cathode) for electricity output
It is connected to one end of first switch 14, one end of second switch 16 is connected to for another pole of electricity output and forms the first intersection point, 14 the
The other end that the other end of one switch is connected to second switch 16 forms the second intersection point, in the normal first switch of power supply
It is closed, second switch is opened, and first switch is opened in the case of abnormal electrical power supply, and second switch is closed；At least duplex feeding electricity
Source 12 passes sequentially through corresponding first intersection point of the first power supply in adjacent power supply and second in adjacent power supply
The connected mode of corresponding second intersection point of power supply is connected, and output is powered.
Optionally, at least 12 roads Zhong Mei power supply of duplex feeding power supply may include：Feeder ear and power supply module,
In, feeder ear is connected with one end of power supply module, for being powered to power supply module；Power supply module, one end and feeder ear phase
Even, first switch and the second switch corresponding with the power supply residing for power supply module is connected respectively at the two poles of the earth of other end output
(specific connection type and power supply and first switch with the connection type of second switch be corresponding), for being powered
Output.Power supply module is powered by feeder ear, power supply module is powered output (being powered output to load)
Mode improves the flexibility that power supply output is adjusted.
Optionally, at least 12 roads Zhong Mei power supply of duplex feeding power supply can also include voltage regulating module, for except
In the case of having power supply abnormal electrical power supply in the power supply outside power supply residing for voltage regulating module, voltage regulating module institute is turned up
Locate the supply voltage of the power supply module of power supply.By the power supply electricity that the power supply module of power supply residing for adjustment module is turned up
Pressure, it is ensured that when power supply all the way breaks down at least duplex feeding power supply be output to load voltage change it is little,
Improve the stability of system.
Optionally, first switch and/or second switch can be mos field effect transistor (Metal
Oxide Semiconductor Field Effect Transistor, referred to as MOSFET) or relay.
Optionally, micro-control unit (Microcontroller may be used in the driving of MOSFET or the driving of relay
Unit, referred to as MCU) it controls.
It is alternatively possible to set one or more at least duplex feeding power supply to back-up power source, it is spare
Not work in the case that other power supplys of power supply at least duplex feeding power supply in addition to back-up power source work normally
Make (that is, the corresponding first switch of back-up power source disconnects, second switch is closed), when other electricity in addition to back-up power source
In the case of having power supply operation irregularity in source, back-up power source is enabled (that is, the corresponding first switch of back-up power source
It is closed, second switch is opened).
Based on above-described embodiment and optional embodiment, to illustrate the entire control process of scheme, in this preferred embodiment
In, a kind of power supply output control circuit is provided, Fig. 2 is the knot of power supply output control circuit according to the preferred embodiment of the invention
Structure schematic diagram one illustrates the power supply output control circuit with reference to Fig. 2.
The power supply output control circuit includes：N feeder ear, n power supply module, (effect is aforementioned for i failure cut-off switch
First switch), m restore tandem tap (effect with aforementioned second switch), wherein n is the integer more than or equal to 2, and i is big
In or equal to n integer (that is, a module can correspond to one or more failure cut-off switch), m be more than or equal to n's
Integer (that is, a failure cut-off switch can correspond to one or more recovery tandem taps), in fig. 2, Si indicates failure
Cut-off switch, Km indicate to restore tandem tap.
As shown in Fig. 2, feeder ear, power supply module, failure cut-off switch, the connection type of recovery tandem tap are as follows：
First via power supply module (power supply module 1) side connects feeder ear (Vs1), and the output cathode of the other side (can also
It is cathode) connection first via failure cut-off switch (S1), the failure power-off on the second tunnel of output negative pole (can also be anode) connection
Switch the side of (S2)；First via failure cut-off switch side is connected to the output cathode of first via power supply module, and the other side is direct
Output cathode as Vbus；
The side of first via recovery tandem tap (K1) connects the side of first via failure cut-off switch, and the other side connects the first via
The output negative pole of power supply；
Second road power supply module (power supply module 2) side connects feeder ear (Vs2), the output cathode connection first of the other side
Road failure cut-off switch, output negative pole connect the side of the failure cut-off switch (S3) on third road；
Second side tunnel failure cut-off switch (K2) connects the output cathode of the second road power supply module, and the other side connects the first via
The output negative pole of power supply；
The side of second tunnel recovery tandem tap connects the side of the second tunnel failure cut-off switch, and the other side connects two-way power supply
The output negative pole of power supply；
(sides power supply module n) connect feeder ear (Vsn), the output cathode connecting fault of the other side to the roads N power supply module
Cut-off switch, output negative pole of the output negative pole directly as Vbus.
The power supply output control circuit that this preferred embodiment provides is realized each by the way that the output of power supply module is connected
Power supply module exports automatic current equalizing, and when power supply module works normally all the way for certain, this failure cut-off switch all the way, which is in, to be closed
State, this recovery tandem tap all the way are off.When power supply module breaks down all the way for this, this recovery all the way
Tandem tap first passes through control and is in closed state, and then this failure cut-off switch all the way is off by control.
When this power supply module trouble shooting all the way, this failure cut-off switch all the way is in closed state by control, then this
The recovery tandem tap on road is off by control.
Fig. 3 is the structural schematic diagram two of power supply output control circuit according to the preferred embodiment of the invention, as shown in figure 3,
Compared with Fig. 2, in the power supply output control circuit, feeder ear only there are one, that is, multiple power supply modules are connected to same power supply
End.Remaining structure of the power supply output control circuit is similar with Fig. 2, does not repeat here.
Fig. 4 is that the structure that power supply module N+1 is backed up in power supply output control circuit according to the preferred embodiment of the invention is shown
It is intended to.As shown in figure 4, when the systems are operating normally, the cut-off switch of backup module is off, this recovery string all the way
Connection switch is in closed state.When certain power supply module all the way breaks down, this failure cut-off switch all the way passes through control
It is off, this recovery tandem tap all the way is in closed state by control；Meanwhile the cut-off switch of backup module
It is in closed state by control, this recovery tandem tap all the way is off.
Fig. 5 is the structural schematic diagram three of power supply output control circuit according to the preferred embodiment of the invention, as shown in figure 5,
On the basis of the power supply output control circuit is power supply output control circuit shown in Fig. 2, cut-off switch and restores series connection and open
Closing selection uses MOSFET, the driving of MOSFET to be controlled using MCU.
Fig. 6 is the structural schematic diagram four of power supply output control circuit according to the preferred embodiment of the invention, as shown in fig. 6,
On the basis of the power supply output control circuit is power supply output control circuit shown in Fig. 2, cut-off switch and restores series connection and open
Closing selection uses relay, the driving of relay to be controlled using MCU.
Fig. 7 is the structural schematic diagram five of power supply output control circuit according to the preferred embodiment of the invention, as shown in fig. 7,
On the basis of the power supply output control circuit is power supply output control circuit shown in Fig. 5, pressure regulation is increased per power supply all the way
Function.Voltage regulation function is realized using MCU in the present embodiment.VbusMCU is accessed by electric resistance partial pressure, if VbusIt is higher than
MCU can detect level, can adjust the detectable ranges of MCU by divider resistance R1 and R2.MCU detects VbusWhether meet
System requirements, if VbusSystem index requirement is not met, MCU can change V by adjusting the output voltage of power modulebus, with
Meet system index requirement；Regulative mode can be that single channel power module is adjusted, and can also be multiple power supplies module while adjusting；
System reliability, optimization system power supply target are helped to improve in this way.If system does not have extra backup battery, once all the way
Power supply, which goes wrong, is moved out of system, then VbusIt can decline, in order to ensure VbusVoltage change is little under this problem condition, is
Power module inside system can all be raised voltage, voltage can also be partly raised, to meet system VBUSIndex is wanted
It asks；Space and the cost of system bulk supply framework can be saved in this way.
The above-mentioned technical proposal of preferred embodiment through the invention, power supply output control circuit pass through the defeated of power supply module
Go out series connection, realize each power supply module output automatic current equalizing, solves that multi-power module power supply Shi Ge road power supplies are unbalanced to ask
Topic flows even if realizing if the case where serious voltage un-balance occurs in each road output voltage, does not interfere with rear class power supply；And it bears
It carries even at light condition, can also realize 100% equal mobility.
Embodiment 2
Additionally provide a kind of power output control method in the present embodiment, this method can be applied to embodiment and excellent
Embodiment is selected, repeating no more for explanation had been carried out.
A kind of power output control method running on above-mentioned power supply output control circuit is provided in the present embodiment, is schemed
8 be the flow chart of power output control method according to the ... of the embodiment of the present invention, as shown in figure 8, the flow includes the following steps：
Step S802 determines the operation conditions of at least roads duplex feeding power supply Zhong Ge power supply, wherein at least
The roads duplex feeding power supply Zhong Mei power supply, one end of first switch is connected to for a pole of electricity output, for the another of electricity output
One end that one pole is connected to second switch forms the first intersection point, and the other end of first switch is connected to the other end shape of second switch
At the second intersection point, at least duplex feeding power supply passes sequentially through corresponding first intersection point of the first power supply in adjacent power supply
The connected mode of the second intersection point corresponding with the second power supply in adjacent power supply is connected, and output is powered；
The first switch of the determining normal power supply of operating status is closed by step S804, and second switch is opened；
And/or be closed the second switch of the power supply of determining operating status exception, first switch is opened.
Optionally, at least the roads duplex feeding power supply Zhong Mei power supply may include：Feeder ear and power supply module,
In, feeder ear is connected with one end of power supply module, for being powered to power supply module, power supply module, and one end and feeder ear phase
Even, first switch and the second switch corresponding with the power supply residing for power supply module is connected respectively at the two poles of the earth of other end output,
For being powered output.
Optionally, it is closed by the second switch of the power supply of the operating status determined exception, first switch opens it
Afterwards, can also include：The power supply electricity of the power supply module of the first power supply is turned up by the adjustment module in the first power supply
Pressure, wherein the first power supply is the power supply electricity other than the power supply of operating status exception at least two power supplies
Source.
Optionally, first switch and/or second switch can be mos field effect transistor MOSFET
Or relay.
Optionally, it is closed by the second switch of the power supply of the operating status determined exception, first switch opens it
Afterwards, can also include：Start the back-up power source at least duplex feeding power supply, including：By the first of back-up power source
Switch is closed, and second switch is opened.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but it is very much
In the case of the former be more preferably embodiment.Based on this understanding, technical scheme of the present invention is substantially in other words to existing
The part that technology contributes can be expressed in the form of software products, which is stored in a storage
In medium (such as ROM/RAM, magnetic disc, CD), including some instructions are used so that a station terminal equipment (can be mobile phone, calculate
Machine, server or network equipment etc.) method that executes each embodiment of the present invention.
Embodiment 3
The embodiments of the present invention also provide a kind of storage mediums.Optionally, in the present embodiment, above-mentioned storage medium can
To be arranged to store the program code for executing following steps：
S1 determines the operation conditions of at least roads duplex feeding power supply Zhong Ge power supply, wherein at least two-way is supplied
The roads power supply Zhong Mei power supply, one end of first switch is connected to for a pole of electricity output, is connected for another pole of electricity output
The one end for being connected to second switch forms the first intersection point, and the other end of first switch is connected to the other end formation second of second switch
Intersection point, at least duplex feeding power supply pass sequentially through corresponding first intersection point of the first power supply in adjacent power supply with it is adjacent
The mode that corresponding second intersection point of the second power supply in power supply is connected is connected, and output is powered；
The first switch of the determining normal power supply of operating status is closed by S2, and second switch is opened；And/or
The second switch of the power supply of determining operating status exception is closed by S3, and first switch is opened.
Optionally, storage medium is also configured to store the program code for executing following steps：At least duplex feeding
The roads power supply Zhong Mei power supply includes：Feeder ear and power supply module, wherein feeder ear is connected with one end of power supply module, uses
Be powered in power supply module, power supply module, one end is connected with the power supply end, the other end output the two poles of the earth respectively with power supply module
The corresponding first switch and the second switch of residing power supply is connected, for being powered output.
Optionally, storage medium is also configured to store the program code for executing following steps：In the fortune that will be determined
The second switch of the power supply of row abnormal state is closed, and after first switch is opened, further includes：By in the first power supply
Adjustment module be turned up the first power supply power supply module supply voltage, wherein the first power supply be at least two supply
Power supply in power supply other than the power supply of operating status exception.
Optionally, storage medium is also configured to store the program code for executing following steps：First switch and/or
Second switch is mos field effect transistor MOSFET or relay.
Optionally, storage medium is also configured to store the program code for executing following steps：In the fortune that will be determined
The second switch of the power supply of row abnormal state is closed, and after first switch is opened, further includes：Start at least duplex feeding electricity
Back-up power source in source, including：The first switch of back-up power source is closed, second switch is opened.
Optionally, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only memory (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or
The various media that can store program code such as CD.
Optionally, in the present embodiment, processor is executed according to stored program code in storage medium：It determines at least
The operation conditions of the roads duplex feeding power supply Zhong Ge power supply, wherein power for at least roads duplex feeding power supply Zhong Mei
Power supply is connected to one end of first switch for a pole of electricity output, and one end of second switch is connected to for another pole of electricity output
The first intersection point is formed, the other end of first switch is connected to the other end the second intersection point of formation of second switch, at least duplex feeding
Power supply passes sequentially through corresponding first intersection point of the first power supply in adjacent power supply and second in adjacent power supply
The connected mode of corresponding second intersection point of power supply is connected, and output is powered；Determining operating status is normally powered
The first switch of power supply is closed, and second switch is opened；And/or the second of the power supply of determining operating status exception is opened
It closes and closes, first switch is opened.
Optionally, in the present embodiment, processor is executed according to stored program code in storage medium：At least two-way
The roads power supply Zhong Mei power supply includes：Feeder ear and power supply module, wherein feeder ear, one end phase with power supply module
Even, for being powered to power supply module, power supply module, one end is connected with the power supply end, the other end output the two poles of the earth respectively with confession
The corresponding first switch and the second switch of power supply residing for electric module is connected, for being powered output.
Optionally, in the present embodiment, processor is executed according to stored program code in storage medium：It will determine
Operating status exception power supply second switch be closed, first switch open after, further include：Pass through the first power supply electricity
The supply voltage of the power supply module of the first power supply is turned up in adjustment module in source, wherein the first power supply is at least two
Power supply in a power supply other than the power supply of operating status exception.
Optionally, in the present embodiment, processor is executed according to stored program code in storage medium：First switch
And/or second switch is mos field effect transistor MOSFET or relay.
Optionally, in the present embodiment, processor is executed according to stored program code in storage medium：It will determine
Operating status exception power supply second switch be closed, first switch open after, further include：Start at least two-way to supply
Back-up power source in power supply, including：The first switch of back-up power source is closed, second switch is opened.
Optionally, the specific example in the present embodiment can refer to described in above-described embodiment and optional embodiment
Example, details are not described herein for the present embodiment.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be with different from shown in sequence execution herein
The step of going out or describing, either they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of power supply output control circuit, which is characterized in that including：At least duplex feeding power supply,
For the roads at least duplex feeding power supply Zhong Mei power supply, the one of first switch is connected to for a pole of electricity output
End is connected to the first intersection point of one end formation of second switch, the other end connection of the first switch for another pole of electricity output
The other end to the second switch forms the second intersection point, wherein is closed in the normal first switch of power supply, second opens
It closes and opens, first switch is opened in the case of abnormal electrical power supply, and second switch is closed.
2. circuit according to claim 1, which is characterized in that the roads at least duplex feeding power supply Zhong Mei power supply
Including：Feeder ear and power supply module, wherein
The feeder ear is connected with one end of the power supply module, for being powered to the power supply module；
The power supply module, one end are connected with the feeder ear, the other end output the two poles of the earth respectively with residing for the power supply module
The corresponding first switch and the second switch of power supply be connected, for be powered output.
3. circuit according to claim 2, which is characterized in that the roads at least duplex feeding power supply Zhong Mei power supply
Further include voltage regulating module, for there is power supply confession in the power supply in addition to the power supply residing for the voltage regulating module
In the case of electrical anomaly, the supply voltage of the power supply module of power supply residing for the voltage regulating module is turned up.
4. circuit according to claim 1, which is characterized in that the first switch and/or the second switch are metal
Oxide semiconductor field effect transistor MOSFET or relay.
5. circuit according to any one of claim 1 to 4, which is characterized in that at least duplex feeding power supply includes：
Back-up power source, wherein the back-up power source for have in at least duplex feeding power supply power supply due to
In the case of output abnormality, it is powered output.
6. a kind of power output control method, which is characterized in that including：
Determine the operation conditions of at least roads duplex feeding power supply Zhong Ge power supply, wherein for at least duplex feeding
The roads power supply Zhong Mei power supply, one end of first switch is connected to for a pole of electricity output, is connected for another pole of electricity output
The first intersection point is formed to one end of second switch, the other end of the first switch is connected to the other end shape of the second switch
At the second intersection point, at least duplex feeding power supply passes sequentially through the first power supply corresponding first in adjacent power supply
The connected mode of intersection point the second intersection point corresponding with the second power supply in the adjacent power supply is connected, and is powered defeated
Go out；
The first switch of the determining normal power supply of operating status is closed, second switch is opened；And/or
The second switch of the power supply of determining operating status exception is closed, first switch is opened.
7. according to the method described in claim 6, it is characterized in that, the roads at least duplex feeding power supply Zhong Mei power supply
Including：Feeder ear and power supply module, wherein the feeder ear is connected with one end of the power supply module, for the power supply
Module is powered, and the power supply module, one end is connected with the feeder ear, the other end output the two poles of the earth respectively with the power supply
The corresponding first switch and the second switch of power supply residing for module is connected, for being powered output.
8. the method according to the description of claim 7 is characterized in that by the power supply of the operating status determined exception
The second switch be closed, after the first switch is opened, further include：
The supply voltage of the power supply module of first power supply is turned up by the adjustment module in the first power supply,
In, first power supply be at least two power supply in other than the power supply of operating status exception
Power supply.
9. the method according to the description of claim 7 is characterized in that the first switch and/or the second switch are metal
Oxide semiconductor field effect transistor MOSFET or relay.
10. the method according to any one of claim 6 to 9, which is characterized in that the operating status determined is abnormal
The second switch of the power supply is closed, and after the first switch is opened, further includes：
Back-up power source described in starting at least in duplex feeding power supply, including：The first of the back-up power source is opened
It closes and closes, second switch is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022741.3A CN108306279A (en) | 2017-01-12 | 2017-01-12 | Power supply output control circuit and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710022741.3A CN108306279A (en) | 2017-01-12 | 2017-01-12 | Power supply output control circuit and method |
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| US20120007444A1 (en) * | 2010-07-09 | 2012-01-12 | Vestas Wind Systems A/S | High voltage switchgear power supply arrangement for a wind turbine facility |
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| JP2004229401A (en) * | 2003-01-22 | 2004-08-12 | Shibaura Mechatronics Corp | Power supply, sputtering power supply and sputtering system |
| EP1553686A1 (en) * | 2004-01-06 | 2005-07-13 | Thales Suisse SA | High voltage DC power supply and method of operating such high voltage DC power supply |
| JP2005253273A (en) * | 2004-03-08 | 2005-09-15 | Ntt Power & Building Facilities Inc | Dc power supply system |
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Application publication date: 20180720 |