CN110221229A - Power-supply management system, power supply system and method for controlling power supply - Google Patents
Power-supply management system, power supply system and method for controlling power supply Download PDFInfo
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- CN110221229A CN110221229A CN201910499382.XA CN201910499382A CN110221229A CN 110221229 A CN110221229 A CN 110221229A CN 201910499382 A CN201910499382 A CN 201910499382A CN 110221229 A CN110221229 A CN 110221229A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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Abstract
The present invention provides a kind of power-supply management system, power supply system and method for controlling power supply, belong to power supply technique field.Power-supply management system includes power management module and the power module that connect with power management module, power module includes multiple power supplys being connected in parallel, wherein, power management module is connect with each power sources in parallel, power management module can periodically detect one or more operating parameters of each power supply, continuously there is abnormal number in the operating parameter that the participation detection of power supply can also be obtained, judge that the operating parameter of the participation detection of power supply continuously occurs whether abnormal number is more than preset value, if it is, then determine that the power supply is abnormal, the case where avoiding the misjudgement or erroneous judgement that generate when detecting to power module, guarantee power-supply management system is load system normal power supply, simultaneously, influence of the interference of cabinet inside generation to power-supply management system can be effectively reduced in the CAN closed bus of setting, improve the accurate of abnormal power supply judgement Property.
Description
Technical field
The present invention relates to power supply technique fields, in particular to a kind of power-supply management system, power supply system and for automatically controlled
Method processed.
Background technique
In power supply system technical field, the Redundancy Design of power module is generally used to guarantee that power supply system is continual and steady
It is load system power supply, i.e. multiple feed.When some power module in power supply system is abnormal, other are normal
Power module also can normally power for load system.
In the prior art, the pin that most of power supply system typically passes through single-chip microcontroller removes the defeated of acquisition power module
Voltage or output electric current out, then will be collected by ADC (AnalogtoDigital Converter, analog-digital converter)
Analog signal is converted into digital signal, with this as the state of power supply system actual power.When collecting certain in power supply system
It, need to be by corresponding electricity when the voltage value or current value of a power module are more than the maximum value needed for load system works normally
Source module carries out lower electricity, and generally by the GPIO of single-chip microcontroller, (General Purpose Input Output leads to such case
With input/output) it goes to realize.
But judges whether power module is abnormal and acquire the defeated of each power module only by the GPIO of single-chip microcontroller
Then electric current and output voltage out will export electric current compared with threshold current and by output voltage compared with threshold voltage, just really
Determine whether power module is abnormal the case where often generating erroneous judgement or misjudgement, it cannot be guaranteed that power supply system is load system
Normal power supply.
Summary of the invention
For above-mentioned problems of the prior art, the present invention provides a kind of power-supply management system, power supply system and
Method for controlling power supply, makes power-supply management system at can be to avoid the misjudgement or erroneous judgement generated when detecting to power module the case where
It keeps stablizing, guarantees that power-supply management system can be load system normal power supply.
In a first aspect, the embodiment of the invention provides a kind of power-supply management systems, wherein include: power management module and
The power module being connect with the power management module；
The power module includes multiple power supplys being connected in parallel；
The power management module is connect with each power sources in parallel；
The power management module is used to periodically detect the operating parameter of each power supply；
The operating parameter that the power management module is also used to obtain the participation detection of the power supply continuously occurs abnormal
Number judges that the operating parameter of the participation detection of the power supply continuously occurs whether abnormal number is more than preset value, according to sentencing
Determine result and determines whether the power supply is normal；The operating parameter includes at least: register operating status, voltage value, current value
And temperature value.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein institute
Power management module is stated to be also used to:
If the power module has abnormal power supply, the power management module is also used to disconnect the abnormal power supply.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides second of first aspect
Possible embodiment, wherein the power management module is also used to: when monitoring the power supply being newly added, newly add to be described
The power distribution software address entered.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein institute
State power-supply management system further include: CAN closed bus；
The first end of each power supply is connected by the first end of the CAN closed bus and the power management module
It connects；
The second end of each power supply is connect by conducting wire with the second end of the power management module.
The third possible embodiment with reference to first aspect, the embodiment of the invention provides the 4th kind of first aspect
Possible embodiment, wherein the CAN closed bus includes CAN bus, protective resistance, CAN controller and CAN transceiver；
The CAN controller is connect with CAN transceiver by CAN_Tx signal wire and CAN_Rx signal wire；
The CAN transceiver is connect with the CAN bus by CAN_H signal wire and CAN_L signal wire；
The protective resistance is connected in the CAN bus.
Second aspect, the embodiment of the invention also provides a kind of power supply systems, wherein including any one of first aspect
Power-supply management system, Power Entry Module and the power supply turn-key system；
The Power Entry Module, the power-supply management system and the power supply turn-key system successively connect according to current direction
It connects；
The power-supply management system is used to receive the alternating voltage of the Power Entry Module input, by the alternating voltage
It is converted into DC voltage, and sends the DC voltage to the power supply turn-key system；
The power supply turn-key system is used to receive the DC voltage of the power-supply management system input, will be received described straight
Galvanic electricity pressure is converted into target DC voltage, and the target DC voltage is sent to load system.
The third aspect, the embodiment of the invention also provides a kind of method for controlling power supply, wherein is applied to appoint in first aspect
Power-supply management system in power supply system described in meaning one, which comprises
Initialize the supplemental characteristic of power management module；
The supplemental characteristic of each power supply of power module is set；
Obtain the address in advance for each power distribution；
Judge that the corresponding power supply in each address whether there is abnormal power supply；
If so, the abnormal power supply is disconnected, to prevent the abnormal power supply from powering as load system.
In conjunction with the third aspect, the embodiment of the invention provides the first possible embodiments of the third aspect, wherein sentences
The method that the corresponding power supply in each address that breaks whether there is abnormal power supply, comprising:
Timing detects the supplemental characteristic that each address corresponds to the power supply；If connected in the supplemental characteristic of the power supply
It is continuous abnormal number occur more than preset value, then determine that the corresponding power supply in the address is abnormal power supply.
In conjunction with the first possible embodiment of the third aspect, the embodiment of the invention provides second of the third aspect
Possible embodiment, wherein the method also includes: it is the power supply of the new addition when detecting the power supply being newly added
Distribute address.
In conjunction with second of possible embodiment of the third aspect, the embodiment of the invention provides the third of the third aspect
Possible embodiment, wherein be the power distribution address approach of the new addition, packet when detecting the power supply being newly added
It includes:
The interrupt signal that the power supply of the new addition carries is detected, is the power supply of the new addition according to the interrupt signal
Distribute address.
The embodiment of the present invention bring it is following the utility model has the advantages that
Power-supply management system, power supply system and method for controlling power supply provided in an embodiment of the present invention, power-supply management system packet
The power module for including power management module and connecting with power management module, power module include multiple power supplys being connected in parallel,
Wherein, power management module is connect with each power sources in parallel, power management module can periodically detect one of each power supply or
Continuously there is the abnormal time, judge power supply in multiple operating parameters, the operating parameter that can also obtain the participation detection of power supply
Participate in continuously occurring whether abnormal number is more than preset value in the operating parameter of detection, if it exceeds preset value, then judgement should
The case where power supply is abnormal, the misjudgement or erroneous judgement that generate when avoiding to power module detection, protects power-supply management system
It is fixed to keep steady, and guarantee power-supply management system is load system normal power supply.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1~2 are the circuit connection diagram of power-supply management system provided by one embodiment of the invention；
Fig. 3 is the circuit connection diagram of CAN closed bus provided by one embodiment of the invention；
Fig. 4 is the structural block diagram of power supply system provided by another embodiment of the present invention；
Fig. 5 is the flow chart of method for controlling power supply provided by further embodiment of this invention.
Icon: 1- power-supply management system；2- Power Entry Module；3- power supply turn-key system；11- power management module；12-
Power module；13-CAN closed bus.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.The component of embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings can be matched with a variety of different
It sets to arrange and design.Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below
The range of claimed invention, but it is merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work, belongs to the present invention
The range of protection.
Extremely important for the power supply system of the rack-mounted device of some high-power, more boards, the inside of power supply system needs
Stablize could long lasting for steadily be rack-mounted device power.Currently, the power module in power supply system generally uses
Redundancy Design guarantees the stability of system, that is, uses multiple feed.When some power module generation in power supply system is different
Chang Shi, other modules also can guarantee the normal operation of whole system.In the power supply system of this more power supplys, to each power supply mould
The administrative relationships of block the complete machine of rack-mounted device whether can work normally.
Currently, the pin that most of power supply system typically passes through single-chip microcontroller removes the output voltage of acquisition power module
Or output electric current, then collected simulation is believed by ADC (AnalogtoDigital Converter, analog-digital converter)
Number it is converted into digital signal, with this as the state of power supply system actual power.When collecting some power supply in power supply system
It, need to be by corresponding power module when the voltage value or current value of module are more than the maximum value needed for load system works normally
Carry out lower electricity, such case generally by single-chip microcontroller GPIO (General Purpose Input Output, it is general defeated
Enter/export) it goes to realize.
GPIO pin by then passing through single-chip microcontroller removes the output voltage or electric current of acquisition power module, then passes through
ADC is converted into digital signal.The accuracy of transformation result is determined by the conversion accuracy of the ADC used.In addition, rack-mounted device
Numerous boards and element interfere with each other in cabinet, and accuracy is also just lower.Probably since cabinet inside is at some
Time, there are biggish electromagnetic interference, single-chip microcontrollers not to be able to detect that over-voltage or overcurrent of power module etc., eventually leads to whole
Machine work is abnormal, and even device is damaged because of over-voltage, overcurrent.
Therefore, judge whether power module is abnormal and acquire the defeated of each power module only by the GPIO of single-chip microcontroller
Then electric current and output voltage out will export electric current compared with threshold current and by output voltage compared with threshold voltage, just really
Determine whether power module is abnormal the case where often generating erroneous judgement or misjudgement, it cannot be guaranteed that power supply system is load system
Normal power supply.
The case where judging by accident or misjudging often is generated to whether power module is abnormal for existing, it cannot be guaranteed that
The problem of power supply system is load system normal power supply, the embodiment of the invention provides a kind of power-supply management systems, power supply system
And method for controlling power supply, it describes in detail first to power-supply management system of the invention below.
Embodiment one
A kind of power-supply management system is present embodiments provided, as shown in Figure 1, power-supply management system 1 includes: power management mould
Block 11 and the power module 12 being connect with power management module 11.
It is similar with 12 Redundancy Design of power module in the prior art, the present invention in power module 12 include it is multiple simultaneously
Join power supply a, power supply b ... the power supply n of connection, and power management module 11 is connect with each power sources in parallel.
It is that will receive external environment or power module in load system power supply process in 1 long-time of power-supply management system
12 itself factor influence, the power supply pipe of some power supply inside power module 12 it is possible that exception, in the present embodiment
Reason module 11 can periodically detect one or more operating parameter of each power supply, such as: detected register operating status, electricity
Then pressure value, current value, temperature value etc. judge whether each power supply in power module 12 is normal according to the result of detection.
In many cases, some power supply in power module 12 be likely to occur in power supply process transient voltage value or
The excessively high situation of current value acquires the current value and voltage value of each power module just with the GPIO of single-chip microcontroller, then will
Current value compared with threshold voltage, determines that whether power module 12 is abnormal often compared with threshold current and by voltage value
The case where erroneous judgement or misjudgement can be generated, in order to improve the accuracy of detection, power management module 11 is also used to obtain power supply
Continuously there is abnormal number in the operating parameter for participating in detection, judges that exception continuously occurs in the operating parameter of the participation detection of power supply
Number whether be more than preset value, according to determine result determine whether power supply normal.Illustratively, power management module 11 detects
There is exception in operating parameter to the register of power supply a, and power management module 11 needs to obtain the operation of the register of power supply a
Continuously occur whether abnormal number is more than preset value in parameter, if more than, then it is abnormal to determine that power supply a occurs, if do not had
It has more than, determines that power supply a does not occur exception, power supply a can be continued to use.
Since the power module 12 in the present invention is powered using more power sources in parallel, when some power supply in power module 12
It is abnormal, power management module 11 can disconnect abnormal power supply, so that electricity under abnormal power supply, it is not necessary to by entire power module 12
All lower electricity makes power module 12 not influence the power supply of 1 load system of power-supply management system because of an abnormal power supply.
It is understood that power management module 11 can broadcast the message in the form for being similar to broadcast to each power supply,
Each power supply uses a channel number broadcast listening respectively, ready to receive to arrive power management module 11 for each power distribution
Location.Timing hot plug detection program is provided in power management module 11, power-supply management system 1 is the mistake of load system power supply
Cheng Zhong, power management module 11 can timing hot plug detection is carried out to power module 12, when having detected that power supply newly adds
Fashionable, the power supply being newly added can send interrupt signal to power management module 11, and power management module 11 receives interrupt signal
Later, the actively power distribution software address to be newly added.
Under normal circumstances, when power management module 11 directly acquires the operating parameter of each power supply, it may be subjected to load
The electromagnetic interference of the cabinet inside generation of system or the influence for touching interference altogether, when disturbed condition is serious, it may appear that in timing
Error, the even erroneous judgement of logic touch interference, power management for the electromagnetic interference that effectively avoids cabinet inside from generating and altogether
System 1 further include: CAN closed bus 13.
As shown in Fig. 2, the first end of each power supply passes through the first end of CAN closed bus 13 and power management module 11
The second end of connection, each power supply is connect by conducting wire with the second end of power management module 11.
In the specific implementation, multiple communication nodes can be hung in CAN bus, the signal between multiple nodes passes through bus
The communication between node is realized in transmission.Since CAN bus does not encode address, only data content is encoded, theoretically
Number of nodes in CAN bus is unrestricted, as long as CAN bus load balancing, while load can be enhanced by relaying.
In conjunction with Fig. 3, CAN closed bus 13 includes CAN bus, protective resistance, CAN controller and CAN transceiver, Ke Yili
Solution, CAN closed bus 13 may include multiple CAN controllers and multiple CAN transceivers, and the embodiment of the present invention is with two
For CAN controller and two CAN transceivers, each CAN controller and CAN transceiver pass through CAN_Tx signal wire and CAN_
Rx signal wire connection, wherein CAN_Tx signal wire and CAN_Rx signal wire are similar to Transistor-Transistor Logic level；Each CAN transceiver with
CAN bus is connected by CAN_H signal wire with CAN_L signal wire, wherein CAN_H signal wire and CAN_L signal wire use
Differential signal, protective resistance are connected in CAN bus.
It is explained in detail in effect of the CAN closed bus 13 in power-supply management system 1, it is external when power-supply management system 1
There are when noise jamming, noise jamming can be coupled on two groups of CAN_H signal wires and CAN_L signal wire by CAN bus simultaneously,
And CAN_Rx signal wire is only concerned the difference of two signals on CAN_H signal wire and CAN_L signal wire, makes extraneous common-mode noise
It can be cancelled completely.High level is shown as when the CAN bus free time, CAN closed bus is made using the difference of CAN_H and CAN_L
For the judgment basis of entire bus logic value.When the difference of CAN_H and CAN_L is about 2V, bus shows as dominant level, i.e. logic
0；If the difference of CAN_H and CAN_L is about 0V, bus shows as recessive level, i.e. logic 1.Thus extraneous electromagnetic interference is not
Influence the final logical value of CAN bus.
Power-supply management system provided in an embodiment of the present invention, power-supply management system include power management module and with power supply pipe
The power module of module connection is managed, power module includes multiple power supplys being connected in parallel, wherein power management module and each electricity
Source is connected in parallel, and power management module can periodically detect one or more operating parameters of each power supply, can also obtain electricity
Continuously there is abnormal number in the operating parameter of the participation detection in source, judges that the operating parameter of the participation detection of power supply continuously occurs
Whether abnormal number is more than preset value, if it exceeds preset value, then determine that the power supply is abnormal, avoid to power module
The case where misjudgement or erroneous judgement for generating when detection, makes power-supply management system keep stablizing, and guarantees that power-supply management system is load
System normal power supply, meanwhile, the CAN closed bus of setting can be effectively reduced the electromagnetic interference of cabinet inside generation or touch interference altogether
Influence to power-supply management system further improves the accuracy that power management module judges abnormal power supply.
Embodiment two
The embodiment of the invention provides a kind of power supply system, as shown in figure 4, power supply system include: power-supply management system 1,
Power Entry Module 2 and power supply turn-key system 3.
In conjunction with Fig. 2, Power Entry Module 2, power-supply management system 1 and power supply turn-key system 3 successively connect according to current direction
It connecing, power-supply management system 1 is used to receive the alternating voltage of Power Entry Module input, DC voltage is converted by alternating voltage,
And sending DC voltage to power supply turn-key system 3, power supply turn-key system 3 is used to receive the direct current of power-supply management system transmission
Pressure, is converted into target DC voltage for received DC voltage, and target DC voltage is sent to load system.
Specifically, Power Entry Module 2 can be the alternating voltage of 220V or the power supply of other forms.In power supply
Inside management system 1, power management module 11 can be each of power module 12 power supply mean allocation or non-average mark
Electricity is sent to the task that the alternating voltage received is converted to DC voltage, and by the DC voltage that each power supply is converted
Source turn-key system 3.Power supply turn-key system 3 includes multiple input interfaces in parallel and an output interface, multiple parallel connection input interfaces
The DC voltage that each power supply is sent in power module 12 is received respectively, is then sent each power supply received straight
Galvanic electricity pressure is converted into target DC voltage, and target DC voltage is sent to load system by an output interface, completes to supply
Electric system is the power supply of load system.
Power supply system provided in an embodiment of the present invention, comprising: power-supply management system, Power Entry Module and power supply master control system
System, Power Entry Module, power-supply management system and power supply turn-key system are sequentially connected according to current direction, in power-supply management system
Power management module connect with each power sources in parallel, power management module can periodically detect the one or more of each power supply
Continuously there is abnormal number, judge that power supply participates in inspection in operating parameter, the operating parameter that can also obtain the participation detection of power supply
The operating parameter of survey continuously occurs whether abnormal number is more than preset value, if it exceeds preset value, then determine that the power supply occurs
The case where exception, the misjudgement or erroneous judgement that are generated when avoiding to power module detection, makes power-supply management system keep stablizing, protect
Card power-supply management system is load system normal power supply, meanwhile, machine can be effectively reduced in the CAN closed bus in power-supply management system
The electromagnetic interference or touch the influence interfered to power-supply management system altogether that case inside generates, further improve power management module and sentence
The accuracy of disconnected exception power supply, so that guaranteeing power supply system continually and steadily is load system power supply.
Embodiment three
A kind of method for controlling power supply is present embodiments provided, using the power-supply management system in power supply system, such as Fig. 5 institute
Show, this method comprises:
Step S502 initializes the supplemental characteristic of power management module.
Initialize the supplemental characteristic of power management module, comprising: initialize the GPIO interface of single-chip microcontroller, letter is interrupted in initialization
Number, initialization CAN controller and initialization CAN transceiver.
The supplemental characteristic of each power supply of power module is arranged in step S504.
The supplemental characteristic of each power supply is set, comprising: initializes the input voltage of each power supply, initializes each power supply
The protective current of output voltage, the protection voltage of each power supply of setting and each power supply of setting.
Step S506 obtains the address in advance for each power distribution.
Power management module can broadcast the message in the form for being similar to broadcast to each power supply, and each power supply uses respectively
One channel number broadcast listening, the power management module ready to receive that arrives is each power distribution address.
Step S508 judges that the corresponding power supply in each address whether there is abnormal power supply；If so, executing step
Rapid S510；If not, executing step S512.
Specifically, one or more operating parameter that each address is sent can be periodically detected, if there is some ground
The operating parameter that location is sent is abnormal, and needs to obtain the operating parameter that address participates in detection and the abnormal time continuously occurs, and
Judge that the operating parameter for participating in detection continuously occurs whether the abnormal time is more than setting time, if it does, the then address pair
The power supply answered is abnormal power supply, if be not above, the corresponding power supply normal power source in the address.
Step S510 disconnects abnormal power supply, to prevent abnormal power supply from powering as load system, and holds again from step S502
Row.
When the operating parameter for participating in detection the abnormal time continuously occurs more than setting time, by the corresponding electricity in the address
Source disconnects, so that electricity under abnormal power supply, prevents abnormal power supply for load system power supply, and re-execute from step S502.
Step S512, power module work normally.
The interrupt signal carried it is possible to further the power supply being newly added by detection detects the power supply being newly added, to examine
Whether have the power supply that is newly added, and be the power distribution address being newly added according to interrupt signal if surveying.
Method for controlling power supply provided in an embodiment of the present invention, by initializing the supplemental characteristic of power management module, setting
The supplemental characteristic of each power supply of power module, and the address for each power distribution in advance is obtained, judge that each address is corresponding
Power supply disconnects the power supply being abnormal if abnormal with the presence or absence of exception, to prevent abnormal power supply from powering as load system,
Judge that the operating parameter of the participation detection of power supply continuously occurs whether abnormal number is more than preset value, if it does, then determining
The case where power supply is abnormal, the misjudgement or erroneous judgement that generate when avoiding to power module detection, makes power-supply management system
It keeping stablizing, guarantee power-supply management system is load system normal power supply, meanwhile, it can be the power distribution address being newly added,
Improve power supply safety degree.
Power-supply management system, power supply system and method for controlling power supply technology spy having the same provided in an embodiment of the present invention
Sign, so also can solve identical technical problem, reaches identical technical effect.
It should be noted that in embodiment provided by the present invention, it should be understood that disclosed system and method, it can
To realize by another way.The apparatus embodiments described above are merely exemplary, for example, the unit is drawn
Point, only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or group
Part can be combined or can be integrated into another system, or some features can be ignored or not executed.It is described to be used as separation unit
The unit that part illustrates may or may not be physically separated, and component shown as a unit can be or can also
Not to be physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to reality
Needs some or all of the units may be selected to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in embodiment provided by the invention can integrate in one processing unit, it can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply phase
To importance.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of power-supply management system characterized by comprising power management module and connect with the power management module
Power module；
The power module includes multiple power supplys being connected in parallel；
The power management module is connect with each power sources in parallel；
The power management module is used to periodically detect the operating parameter of each power supply；
Continuously there is abnormal number in the operating parameter that the power management module is also used to obtain the participation detection of the power supply,
Judge that the operating parameter of the participation detection of the power supply continuously occurs whether abnormal number is more than preset value, according to judgement result
Determine whether the power supply is normal；The operating parameter includes at least: register operating status, voltage value, current value and temperature
Value.
2. power-supply management system according to claim 1, which is characterized in that the power management module is also used to:
If the power module has abnormal power supply, the power management module is also used to disconnect the abnormal power supply.
3. power-supply management system according to claim 2, which is characterized in that the power management module is also used to: working as prison
It is the power distribution software address of the new addition when measuring the power supply being newly added.
4. power-supply management system according to claim 1, which is characterized in that the power-supply management system further include: CAN is closed
Ring bus；
The first end of each power supply is connect by the CAN closed bus with the first end of the power management module；
The second end of each power supply is connect by conducting wire with the second end of the power management module.
5. power-supply management system according to claim 4, which is characterized in that the CAN closed bus include CAN bus,
Protective resistance, CAN controller and CAN transceiver；
The CAN controller is connect with CAN transceiver by CAN_Tx signal wire and CAN_Rx signal wire；
The CAN transceiver is connect with the CAN bus by CAN_H signal wire and CAN_L signal wire；
The protective resistance is connected in the CAN bus.
6. a kind of power supply system, which is characterized in that including power-supply management system, electricity described in any one of Claims 1 to 5
Source input module and power supply turn-key system；
The Power Entry Module, the power-supply management system and the power supply turn-key system are sequentially connected according to current direction；
The power-supply management system is used to receive the alternating voltage of the Power Entry Module input, and the alternating voltage is converted
For DC voltage, and send the DC voltage to the power supply turn-key system；
The power supply turn-key system is used to receive the DC voltage of the power-supply management system input, by the received direct current
Pressure is converted into target DC voltage, and the target DC voltage is sent to load system.
7. a kind of method for controlling power supply, which is characterized in that applied to the power management system in power supply system as claimed in claim 6
System, which comprises
Initialize the supplemental characteristic of power management module；
The supplemental characteristic of each power supply of power module is set；
Obtain the address in advance for each power distribution；
Judge that the corresponding power supply in each address whether there is abnormal power supply；
If so, the abnormal power supply is disconnected, to prevent the abnormal power supply from powering as load system.
8. the method according to the description of claim 7 is characterized in that judging whether the corresponding power supply in each address is deposited
In the method for abnormal power supply, comprising:
Timing detects the supplemental characteristic that each address corresponds to the power supply；If continuously gone out in the supplemental characteristic of the power supply
Now abnormal number is more than preset value, then determines that the corresponding power supply in the address is abnormal power supply.
9. according to the method described in claim 8, it is characterized in that, the method also includes: when detecting the power supply being newly added
When, it is the power distribution address of the new addition.
10. according to the method described in claim 9, it is characterized in that, being the new addition when detecting the power supply being newly added
Power distribution address approach, comprising:
The interrupt signal that the power supply of the new addition carries is detected, is the power distribution of the new addition according to the interrupt signal
Address.
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