CN104615063A - Power management system and method - Google Patents
Power management system and method Download PDFInfo
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- CN104615063A CN104615063A CN201410835871.5A CN201410835871A CN104615063A CN 104615063 A CN104615063 A CN 104615063A CN 201410835871 A CN201410835871 A CN 201410835871A CN 104615063 A CN104615063 A CN 104615063A
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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
- G05B19/0428—Safety, monitoring
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Abstract
The invention provides a power management system and a power management method. The power management system includes a power chip, which is used for storing power source information; a base block management controller (BMC), which is used for obtaining the power source information stored by the power chip through a power management bus (PMBUS), wherein the power chip is provided with a PMBUS communication interface, and the power chip is connected with the BMC through the PMBUS. The power management system and method are able to output the power source information to the BMC.
Description
Technical field
The present invention relates to digital power field, particularly power-supply management system and method.
Background technology
Power supply is by the other forms of device that can be converted to electric energy, for providing electric energy for other equipment.In order to control better power supply, need the duty of monitoring power supply.
Whether, in traditional power management scheme, Power Supply Monitoring function is generally separated on the voltage stabilizer of direct current to direct current, can only break down by monitoring power supply, the power information of power supply can not be exported out.
Summary of the invention
Power-supply management system provided by the invention and method, can output to BMC (Baseboard management controller, baseboard management controller) by power information.
On the one hand, the invention provides a kind of power-supply management system, comprising:
Power supply chip, for preserving power information;
Baseboard management controller BMC, for obtaining the power information that power supply chip is preserved by power management bus PMBUS;
Wherein, with PMBUS communication interface on described power supply chip, described power supply chip is connected with described BMC by PMBUS.
Further, described BMC, for reading the described power information stored in the inner ROM of described power supply chip.
Further, described power supply chip comprise following in any one or more:
First protection setting register, for preserving the status information of overcurrent protection OCP;
Second protection setting register, for preserving the status information of overheat protector OTP;
3rd protection setting register, for preserving the status information of overvoltage protection OVP;
4th protection setting register, for preserving the status information of under-voltage protection UVP;
Storage unit, any one or more for what preserve in output voltage, output current, output power consumption, input voltage, input current, input power consumption.
Further, described BMC, also for monitoring status information, the status information of OTP, the status information of OVP, the status information of UVP of described OCP, when any one in the status information monitoring the status information of described OCP, the status information of OTP, the status information of OVP, UVP is for fault, send warning message.
Further, described BMC, for power information described in the frequency acquisition of 10kHz.
On the other hand, the invention provides a kind of method for managing power supply, in power-supply management system, be provided with the power supply chip of power management bus PMBUS communication interface, by PMBUS, described power supply chip is connected with baseboard management controller BMC, also comprises:
S1: described power supply chip preserves power information;
S2: described BMC obtains the power information of power supply chip preservation by PMBUS.
Further, described S2, comprising: described BMC reads the power information stored in the inner ROM of described power supply chip.
Further, arrange in described power supply chip in advance following in any one or more: the first protection setting register, the second protection setting register, the 3rd protection setting register, the 4th protection setting register, storage unit;
Described S1, comprising: described power supply chip preserves the status information of overcurrent protection OCP by described first protection setting register; Described power supply chip preserves the status information of overheat protector OTP by described second protection setting register; Described power supply chip preserves the status information of overvoltage protection OVP by described 3rd protection setting register; Described power supply chip preserves the status information of under-voltage protection UVP by described 4th protection setting register; It is any one or more that described power supply chip is preserved in output voltage, output current, output power consumption, input voltage, input current, input power consumption by described storage unit.
Further, after described S2, also comprise: described BMC monitors status information, the status information of OTP, the status information of OVP, the status information of UVP of described OCP, when any one in the status information monitoring the status information of described OCP, the status information of OTP, the status information of OVP, UVP is for fault, send warning message.
Further, described S2, comprising: described BMC is with power information described in the frequency acquisition of 10kHz.
By a kind of power-supply management system provided by the invention and method, power information is preserved by power supply chip, in order to power information is exported out, with PMBUS communication interface on this power supply chip, power supply chip is connected by PMBUS and BMC, and power supply can carry out information transmission by PMBUS and BMC, and BMC obtains the power information preserved in power supply chip by PMBUS, when the power fails, failure cause can be found fast according to these power informations.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of power-supply management system that one embodiment of the invention provides;
Fig. 2 is the process flow diagram of a kind of method for managing power supply that one embodiment of the invention provides;
Fig. 3 is the process flow diagram of the another kind of method for managing power supply that one embodiment of the invention provides.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly; below in conjunction with the accompanying drawing in the embodiment of the present invention; technical scheme in the embodiment of the present invention is clearly and completely described; obviously; described embodiment is the present invention's part embodiment, instead of whole embodiments, based on the embodiment in the present invention; the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Embodiments provide a kind of power-supply management system, see Fig. 1, this system comprises:
Power supply chip 101, for preserving power information;
BMC102, for obtaining the power information that power supply chip is preserved by PMBUS (Power Management Bus, power management bus);
Wherein, with PMBUS communication interface on described power supply chip 101, described power supply chip 101 is connected with described BMC 102 by PMBUS.
By a kind of power-supply management system that the embodiment of the present invention provides, power information is preserved by power supply chip 101, in order to power information is exported out, with PMBUS communication interface on this power supply chip 101, power supply chip 101 is connected by PMBUS and BMC 102, power supply can carry out information transmission by PMBUS and BMC 102, BMC 102 obtains the power information preserved in power supply chip 101 by PMBUS, when the power fails, failure cause can be found fast according to these power informations.
Power supply chip 101 is by the ROM storage power information of its inside, and BMC 102 directly can obtain power information by reading the inner ROM of power supply chip 101.Described BMC 102, for reading the power information stored in the inner ROM of described power supply chip 101.
Wherein, described power information comprises: OCP (Over Current Protection; overcurrent protection), OTP (Over Temperature Protection; overheat protector), OVP (Over VoltageProtection; overvoltage protection), UVP (Under Voltage Protection, under-voltage protection), output voltage, output current, output power consumption, input voltage, input current, input power consumption.
Described power supply chip comprise following in any one or more:
First protection setting register, for preserving the status information of OCP (Over Current Protection, overcurrent protection);
Second protection setting register, for preserving the status information of OTP (Over Temperature Protection, overheat protector);
3rd protection setting register, for preserving the status information of OVP (Over Voltage Protection, overvoltage protection);
4th protection setting register, for preserving the status information of UVP (Under Voltage Protection, under-voltage protection);
Storage unit, any one or more for what preserve in output voltage, output current, output power consumption, input voltage, input current, input power consumption.
The duty of power supply can be known by these power informations user comprehensively, and reasonably can use power supply according to power information, and correct process can be made fast to the fault that power supply occurs.
BMC 102, after obtaining power information, further can process these power informations, monitor the duty of power supply.For example, described BMC 102, also for monitoring status information, the status information of OTP, the status information of OVP, the status information of UVP of described OCP, when any one in the status information monitoring the status information of described OCP, the status information of OTP, the status information of OVP, UVP is for fault, send warning message.Conveniently user checks, the relevant information of fault can be stored.When BMC 102 monitors power fail, can send control information to this power supply, control power supply and quit work, or, fault is repaired etc.
Wherein, each status information in the status information of the status information of OCP, the status information of OTP, OVP, the status information of UVP, can comprise the information whether current protection setting normally works, protection setting comprises OCP, OTP, OVP, UVP.For example, the status information of OCP can comprise: normal, fault, when the status information of OCP is fault, illustrates that current OCP breaks down, and when the status information that BMC monitors OCP is fault, sends warning message.Can comprise the information of the module of fault in this warning message, BMC 102 notifies that user OCP breaks down, and makes user can find the reason of power fail fast.
In order to obtain the power information in each moment as far as possible, described BMC 102, for power information described in the frequency acquisition of 10kHz.
In addition, conveniently user can obtain power information intuitively, and this system also comprises: display unit, for showing the described power information that described BMC obtains.
This system can also comprise: storage unit, for storing the power information that BMC 102 obtains.Wherein, power information can be stored as the form of TXT document.Storage unit can be SD card.
Conveniently user can know the duty of power supply fast, and this system can also comprise: processing unit, processes for the power information obtained BMC 102.For example, calculate the maximal value of power information, minimum value etc., power information is converted to the form of figure.Information after process is shown by above-mentioned display unit.
A power supply may be powered for multiple equipment, export multiple electric signal simultaneously, namely a power supply has multiple power rail simultaneously, for example, can be the power supplies such as core voltage controller, memory controller, system controller, then power supply just creates multiple power rail such as power rail, the power rail of memory controller, the power rail of system controller of core voltage controller simultaneously.Power information corresponding to each power rail is also kept in power supply chip 101 respectively, and BMC can directly obtain the power information that in power supply chip 101, each power rail is corresponding.
The embodiment of the present invention additionally provides a kind of method for managing power supply, and see Fig. 2, the method comprises:
S0: the power supply chip being provided with PMBUS communication interface in power-supply management system, is connected described power supply chip with described BMC by PMBUS;
S1: power supply chip preserves power information;
S2:BMC obtains the power information of power supply chip preservation by PMBUS;
Wherein, with PMBUS communication interface on described power supply chip, described power supply chip is connected with described BMC by PMBUS.
In a kind of possible implementation, described S2, comprising: described BMC reads the power information stored in the inner ROM of described power supply chip.
Wherein, described power information comprises: any one or more in the status information of the status information of overcurrent protection OCP, the status information of overheat protector OTP, overvoltage protection OVP, the status information of under-voltage protection UVP, output voltage, output current, output power consumption, input voltage, input current, input power consumption.
When power failure, in order to notify user in time, after described S2, also comprise: described BMC monitors status information, the status information of OTP, the status information of OVP, the status information of UVP of described OCP, when any one in the status information monitoring the status information of described OCP, the status information of OTP, the status information of OVP, UVP is for fault, send warning message.When BMC monitors power failure, BMC can send control information to power supply, controls power supply and quits work, or, fault is repaired etc.
In order to obtain the whole power information of power supply as far as possible, described S2 comprises: described BMC is with power information described in the frequency acquisition of 10kHz.
The embodiment of the present invention additionally provides a kind of method for managing power supply, and see Fig. 3, the method comprises:
Step 300: the power supply chip being provided with PMBUS communication interface in power-supply management system, is connected described power supply chip with described BMC by PMBUS;
Step 301: power supply chip preserves power information;
Step 302:BMC obtains the power information of power supply chip preservation by PMBUS with the frequency of 10kHz;
Wherein, with PMBUS communication interface on described power supply chip; described power supply chip is connected with described BMC by PMBUS, any one or more in the status information of the status information of described overcurrent protection OCP, the status information of overheat protector OTP, overvoltage protection OVP, the status information of under-voltage protection UVP, output voltage, output current, output power consumption, input voltage, input current, input power consumption.
Step 303:BMC monitors status information, the status information of OTP, the status information of OVP, the status information of UVP of described OCP, when any one in the status information monitoring the status information of described OCP, the status information of OTP, the status information of OVP, UVP is for fault, send warning message.
The power-supply management system that the embodiment of the present invention provides and method, have following beneficial effect:
The power-supply management system provided by the embodiment of the present invention and method, power information is preserved by power supply chip, in order to power information is exported out, with PMBUS communication interface on this power supply chip, power supply chip is connected by PMBUS and BMC, and power supply can carry out information transmission by PMBUS and BMC, and BMC obtains the power information preserved in power supply chip by PMBUS, when the power fails, failure cause can be found fast according to these power informations.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element " being comprised " limited by statement, and be not precluded within process, method, article or the equipment comprising described key element and also there is other same factor.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that programmed instruction is relevant, aforesaid program can be stored in the storage medium of embodied on computer readable, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium in.
Finally it should be noted that: the foregoing is only preferred embodiment of the present invention, only for illustration of technical scheme of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. a power-supply management system, is characterized in that, comprising:
Power supply chip, for preserving power information;
Baseboard management controller BMC, for obtaining the power information that power supply chip is preserved by power management bus PMBUS;
Wherein, with PMBUS communication interface on described power supply chip, described power supply chip is connected with described BMC by PMBUS.
2. system according to claim 1, is characterized in that, described BMC, for reading the described power information stored in the inner ROM of described power supply chip.
3. system according to claim 1, is characterized in that, described power supply chip comprise following in any one or more:
First protection setting register, for preserving the status information of overcurrent protection OCP;
Second protection setting register, for preserving the status information of overheat protector OTP;
3rd protection setting register, for preserving the status information of overvoltage protection OVP;
4th protection setting register, for preserving the status information of under-voltage protection UVP;
Storage unit, any one or more for what preserve in output voltage, output current, output power consumption, input voltage, input current, input power consumption.
4. system according to claim 3, it is characterized in that, described BMC, also for monitoring status information, the status information of OTP, the status information of OVP, the status information of UVP of described OCP, when any one in the status information monitoring the status information of described OCP, the status information of OTP, the status information of OVP, UVP is for fault, send warning message.
5. according to described system arbitrary in Claims 1-4, it is characterized in that, described BMC, for power information described in the frequency acquisition of 10kHz.
6. a method for managing power supply, is characterized in that, is provided with the power supply chip of power management bus PMBUS communication interface in power-supply management system, is connected by described power supply chip, also comprises by PMBUS with baseboard management controller BMC:
S1: described power supply chip preserves power information;
S2: described BMC obtains the power information of power supply chip preservation by described PMBUS.
7. method according to claim 6, is characterized in that, described S2, comprising: described BMC reads the power information stored in the inner ROM of described power supply chip.
8. method according to claim 6, is characterized in that, described power information comprises:
Any one or more in the status information of the status information of overcurrent protection OCP, the status information of overheat protector OTP, overvoltage protection OVP, the status information of under-voltage protection UVP, output voltage, output current, output power consumption, input voltage, input current, input power consumption.
9. method according to claim 8, it is characterized in that, after described S2, also comprise: described BMC monitors status information, the status information of OTP, the status information of OVP, the status information of UVP of described OCP, when any one in the status information monitoring the status information of described OCP, the status information of OTP, the status information of OVP, UVP is for fault, send warning message.
10., according to described method arbitrary in claim 6 to 9, it is characterized in that, described S2, comprising: described BMC is with power information described in the frequency acquisition of 10kHz.
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| CN201410835871.5A CN104615063A (en) | 2014-12-29 | 2014-12-29 | Power management system and method |
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Cited By (9)
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| CN106330469A (en) * | 2016-11-17 | 2017-01-11 | 郑州云海信息技术有限公司 | Overcurrent protection device and method for four-way server |
| CN106383569A (en) * | 2016-09-09 | 2017-02-08 | 郑州云海信息技术有限公司 | Universal server power supply protection mechanism |
| CN106527646A (en) * | 2016-11-04 | 2017-03-22 | 郑州云海信息技术有限公司 | PMBUS-based mainboard power management method |
| CN107272860A (en) * | 2017-06-29 | 2017-10-20 | 郑州云海信息技术有限公司 | A kind of server hard disc electric power-feeding structure and its design method |
| CN107526664A (en) * | 2017-09-06 | 2017-12-29 | 郑州云海信息技术有限公司 | A kind of server exception power down method for rapidly positioning and device |
| CN108205371A (en) * | 2016-12-20 | 2018-06-26 | 中兴通讯股份有限公司 | Power supply chip, power supply and electric energy providing method |
| CN111142643A (en) * | 2019-12-25 | 2020-05-12 | 浪潮商用机器有限公司 | Power supply strategy modification method, device and system for power supply chip |
| CN111367395A (en) * | 2020-03-08 | 2020-07-03 | 苏州浪潮智能科技有限公司 | Method and device for safely supplying power to CPU |
| CN112906076A (en) * | 2021-02-19 | 2021-06-04 | 山东英信计算机技术有限公司 | Control method and system of over-current protection chip and related components |
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| CN111142643A (en) * | 2019-12-25 | 2020-05-12 | 浪潮商用机器有限公司 | Power supply strategy modification method, device and system for power supply chip |
| CN111142643B (en) * | 2019-12-25 | 2021-07-16 | 浪潮商用机器有限公司 | Power supply strategy modification method, device and system for power supply chip |
| CN111367395A (en) * | 2020-03-08 | 2020-07-03 | 苏州浪潮智能科技有限公司 | Method and device for safely supplying power to CPU |
| CN112906076A (en) * | 2021-02-19 | 2021-06-04 | 山东英信计算机技术有限公司 | Control method and system of over-current protection chip and related components |
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Application publication date: 20150513 |