CN107478996B - Detection and maintenance method and device for server power supply system - Google Patents
Detection and maintenance method and device for server power supply system Download PDFInfo
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- CN107478996B CN107478996B CN201710631565.3A CN201710631565A CN107478996B CN 107478996 B CN107478996 B CN 107478996B CN 201710631565 A CN201710631565 A CN 201710631565A CN 107478996 B CN107478996 B CN 107478996B
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- 238000001514 detection method Methods 0.000 title claims abstract description 58
- 238000012423 maintenance Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims description 14
- 238000007689 inspection Methods 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000002253 acid Substances 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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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
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
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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
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/263—Arrangements for using multiple switchable power supplies, e.g. battery and AC
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The application discloses a detection maintenance method and a detection maintenance device of a server power supply system, which are used in the server power supply system with a backup battery unit and a power module connected in parallel; the method comprises the steps of calculating a total output power; on the premise of judging whether the total output power is greater than the consumed power of the server, the output voltage of each backup battery unit is increased to be greater than the output voltage of the power supply module; testing the characteristic parameters and the residual capacity of each backup battery unit; and when the residual electric quantity of the backup battery units is lower than a preset threshold value, reducing the output voltage of each backup battery unit to be less than the output voltage of the power supply module. In the testing process, when the standby battery unit fails to drag the server, the power supply module can take over the standby battery unit at any time, so that the problem of server downtime caused by the failure of the standby battery unit is avoided.
Description
Technical Field
The present disclosure relates to the technical field of server power supply systems, and in particular, to a detection and maintenance method and a detection and maintenance device for a server power supply system.
Background
In order to avoid downtime caused by sudden power failure of an external power supply system in the operation process of the server and avoid data loss caused by downtime, the power supply system of the server also comprises a backup battery unit, and a backup battery module is connected in parallel with a power supply module directly connected with the external power supply system; and when the external power supply system fails or the power supply module fails, the backup battery module works. Because of the high density characteristics of lithium batteries, lithium batteries have replaced the battery types used by conventional lead-acid batteries as the mainstream backup battery units; meanwhile, operation and maintenance personnel can also control the discharge state of the lithium battery by using a battery management system or a battery management module.
Under the normal working state of the server, the standby battery unit is in a floating charging state for a long time. However, if the backup battery is in a floating state for a long time, the efficiency of interconversion between electrochemical energy and electrical energy in the battery is reduced, and the battery management system in the backup battery unit cannot detect the actual working state of the battery. In order to avoid the battery problem caused by the long-term float charge, the spare battery unit needs to be discharged periodically.
In the prior art, operation and maintenance personnel disconnect the power supply module from the server host to discharge the backup battery unit, so that the backup battery unit supplies power to the server host, and then the power supply module is connected after the backup battery unit discharges to a certain amount, and the backup battery unit is charged by the power supply module.
However, since the health status of the backup battery unit is not predictable in the floating state for a long time, the foregoing method may cause a problem of a server shutdown due to the failure of the backup battery unit to operate normally.
Disclosure of Invention
The application provides a detection and maintenance method and a detection and maintenance device for a server power supply system, which aim to solve the problem that a server is down due to the fact that a standby battery unit cannot normally work in a discharging maintenance process because the standby battery unit is floated and charged for a long time and the health state cannot be predicted.
The embodiment of the invention provides a detection and maintenance method of a server power supply system, which is used for the server power supply system with a backup battery unit and a power supply module connected in parallel; comprises the following steps of (a) carrying out,
s101: counting the number of available backup battery units and the rated output power of each available backup battery unit, and calculating the total output power according to the number and the rated output power;
s102: judging whether the total output power is larger than the consumed power of the server, and executing S103 if the total output power is larger than the consumed power of the server;
s103: the output voltage of each backup battery unit is increased to be greater than the output voltage of the power supply module, so that the backup battery units are discharged;
s104: testing the characteristic parameters of each backup battery unit, and detecting the residual electric quantity of each backup battery unit; and when the residual electric quantity of the backup battery units is lower than a preset threshold value, reducing the output voltage of each backup battery unit to be less than the output voltage of the power supply module.
Optionally, the detection and maintenance method may increase the output voltage of each backup battery unit to be greater than the output voltage of the power module according to the following method:
s1031 judges whether the electric quantity of each backup battery unit is full, if yes, S1032 is executed, otherwise, S1033 is executed;
s1032: the output voltage of each backup battery unit is increased to be larger than the output voltage of the battery module;
s1033: s1032 is performed for the sub-charged backup battery cell charged to 100%.
Optionally, the detection maintenance method further includes S105;
s105: and detecting whether the total output power of the power supply module is larger than the consumed power of the server, and if so, executing S103.
Optionally, the detection and maintenance method further includes, before S101, S106;
s106: the time from the last detection maintenance is calculated, and S101 is performed when the time is greater than the threshold time.
Optionally, the detection and maintenance method further includes: and when the residual electric quantity of any backup battery unit is lower than a preset threshold value, reducing the output voltage of each backup battery unit to be less than the output voltage of the power supply module.
The embodiment of the invention provides a detection and maintenance device of a server power supply system, which is used in the server power supply system with a backup battery unit and a power supply module connected in parallel; the detection maintenance device comprises:
the counting unit is used for counting the number of the backup battery units and the rated output power of each available backup battery unit and calculating the total output power according to the number and the rated output power;
the charging and discharging control unit is used for increasing the output voltage of each backup battery unit to be greater than the output voltage of the power supply module under the condition that the total output power is greater than the power consumption of the server so as to discharge the backup battery units;
the detection unit is used for testing the characteristic parameters of the backup battery units when the backup battery units discharge, and detecting the electric quantity of each backup battery unit;
the charging and discharging control unit is further used for reducing the output voltage of each backup battery unit to be smaller than the output voltage of the power supply module when the detection unit detects that the residual electric quantity of the backup battery unit is lower than a preset threshold value.
Optionally, the charge and discharge control unit controls each backup battery unit to discharge when each backup battery unit is fully charged; and the number of the first and second groups,
when any backup battery unit is not fully charged, the output voltage of each backup battery unit is increased to be larger than the output voltage of the power supply module after the backup battery units are controlled to be fully charged.
Optionally, the statistical unit is further configured to detect whether a total output power of the power module is greater than a consumed power of the server;
and the charge and discharge control unit promotes the output voltage of each backup battery unit to be greater than the output voltage of the power module under the condition that the rated output power of the power module is greater than the power consumed by the server.
Optionally, the detection maintenance device includes a timing unit, and the timing unit is configured to calculate time from last detection maintenance, and trigger the statistical unit to operate when the time is greater than a threshold time.
Optionally, when the detection unit detects that the remaining power of any one of the backup battery units is lower than the preset threshold, the charge and discharge control unit reduces the output voltage of each backup battery unit to be smaller than the output voltage of the power module.
By adopting the detection and maintenance method for the server power supply system provided by the embodiment, the power supply module is always in a working state in the discharging process of the standby battery unit, and only the load of the power supply module is small. In the testing process, when the standby battery unit fails to drag the server, the power supply module can take over the standby battery unit at any time, so that the problem of server downtime caused by the failure of the standby battery unit is avoided. Moreover, the operation detection and the function control are integrated in an internal control component of the server power supply system, so that the automatic detection of the standby battery unit can be realized, and the labor is saved; such an approach is particularly suitable for use in data centers equipped with a large number of servers.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a flowchart of a detection and maintenance method of a server power supply system according to an embodiment of the present invention;
fig. 2 is a flowchart of a detection and maintenance method of a server power supply system according to another embodiment of the present invention;
fig. 3 is a schematic diagram of a server power supply system detection and maintenance apparatus according to an embodiment of the present invention;
wherein: 11-a statistic unit, 12-a charge and discharge control unit, 13-a detection unit, 14-a timing unit, 15-a power supply module and 16-a backup battery unit.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a detection and maintenance method of a server power supply system, which is used for detecting characteristic parameters of each backup battery unit in the server power supply system so as to provide reference for maintenance personnel to judge the health state of the backup battery unit and replace a specific backup battery unit.
To facilitate understanding of the technical solution provided in this embodiment, a brief description is first made on the structure of the server power supply system. Fig. 1 is a schematic structural diagram of a server power supply system. As shown in fig. 1, the backup battery unit and the power module are electrically connected to the busbar in a parallel connection manner, and supply power to the server through the busbar.
Fig. 1 is a flowchart of a detection and maintenance method of a server power supply system according to an embodiment of the present invention. As shown in fig. 1, the detection and maintenance method includes the following steps:
s101: and counting the number of the available backup battery units and the rated output power of each available backup battery unit, and calculating the total output power according to the number and the rated output power.
S102: it is judged whether or not the total output power is larger than the consumed power of the server, and if so, S103 is performed.
When the backup battery unit detects, the backup battery unit takes over the load of the server and supplies power to the server instead of the power supply module. In order to ensure the normal operation of the backup batteries and avoid the overload problem from influencing the representativeness of various parameters of the subsequent detection backup battery units, the total output power of each backup battery should be the consumed power of the server.
In practical applications, if the backup battery units belong to the same model (that is, the rated output powers y of the backup battery units are the same), the total output power of all available backup battery units in the server power supply system can be obtained by counting the number x of the backup battery units and using x y. It should be noted that the available backup battery unit refers to a backup battery unit which is connected with the power supply module in parallel as described in fig. 1 and normally supplies power to the outside. In practical applications, each backup battery unit is equipped with a detection module for self-checking whether it can work normally (although the normal operation may be temporary and unreliable).
S103: and the output voltage of each backup battery unit is increased to be greater than the output voltage of the power supply module, so that the backup battery units discharge.
If the total output power is larger than the consumed power of the server, the backup battery unit is judged to be capable of normally dragging the server to work, and the problem that each parameter of the backup battery unit is abnormally tested due to the problem of overlarge load in the subsequent testing process is solved.
In a conventional server power supply system, the output voltage of the power module is 12.60V, and the output voltage of the backup battery unit is 12.45V. Because the output voltage of the power supply module is greater than that of the standby battery, the power supply module supplies power to the busbar and the server, and the standby battery unit is in a floating charge state as a load of the power supply module. And when the power module is powered down, the voltage on the busbar is reduced to 12.45V from 12.60V, and the standby battery unit takes over the server load.
During the detection of the backup battery unit, in order to ensure that the backup battery unit takes over the server load when the power supply module is still at the 12.60V power supply voltage, the output voltage of the backup battery unit needs to be increased. In this embodiment, the output voltage of each backup battery unit is adjusted to 12.75V, so that the output voltage of each backup battery unit is slightly higher than the output voltage of the power supply module, thereby realizing load connection and discharging of the backup battery unit.
It should be noted that, the raising of the output voltage of each backup battery unit to be greater than the output voltage of the power supply module in the embodiment only means that the output voltage is slightly greater than the output voltage of the power supply module, otherwise, the electrical components in the server may be burnt due to the excessive voltage.
S104: testing the characteristic parameters of each backup battery unit, and detecting the residual electric quantity of each backup battery unit; and when the residual electric quantity of the backup battery units is lower than a preset threshold value, reducing the output voltage of each backup battery unit to be less than the output voltage of the power supply module.
And testing the performance parameters of each backup battery unit in the discharging process of each backup battery unit. The performance parameters may include voltage, current, internal temperature, charge and discharge state, and internal charge and discharge equilibrium, so as to evaluate the profile state of each backup battery unit by using the performance parameters. While detecting the performance parameters of the backup battery units, the detection and maintenance method provided by this embodiment also detects the remaining power of each backup battery unit. And when the residual electric quantity of any backup battery unit is lower than a preset threshold value, reducing the output voltage of each backup battery unit to be less than the output voltage of the power supply module.
In practical applications, the preset threshold is set to avoid the backup battery cell from being over-discharged to cause damage to the backup battery cell or short life. In practice, the preset threshold may be set to be between 10% and 60% of the full charge amount, and preferably to be 50% of the full charge amount.
In practical applications, the discharge of the backup battery units may be stopped when the remaining capacities of all the backup battery units are lower than the preset threshold, or the discharge may be stopped when the remaining capacities of several groups of backup battery units are lower than the preset threshold. In practical applications, in order to avoid the damage of the backup battery unit caused by over-discharge, it is preferable that the discharge of the backup battery unit is stopped when the remaining capacity of any one of the backup battery units is lower than a preset threshold.
By adopting the detection and maintenance method for the server power supply system provided by the embodiment, the power supply module is always in a working state in the discharging process of the standby battery unit, and only the load of the power supply module is small. If the standby battery unit fails to drag the server in the testing process, the power module can take over the standby battery unit at any time, so that the problem of server downtime caused by the failure of the standby battery unit is avoided. Moreover, the operation detection and the function control are integrated in an internal control component of the server power supply system, so that the automatic detection of the standby battery unit can be realized, and the labor is saved; such an approach is particularly suitable for use in data centers equipped with a large number of servers.
Fig. 2 is a flowchart of a detection and maintenance method of a server power supply system according to another embodiment of the present invention. As shown in fig. 2, in the present embodiment, the step of raising the output voltage of the backup battery cell to be greater than the output voltage of the power supply module is divided into three steps S1031, S1032 and S1033.
S1031: and judging whether the electric quantity of each backup battery unit is full, if so, executing S1032, otherwise, executing S1033.
S1032: the output voltage of each backup battery is boosted to be greater than the output voltage of the battery module.
S1033: s1032 is executed to charge the sub-battery cell to 100%.
In practical applications, the amount of charge in the battery backup unit should be 100% because the battery backup unit is in a float state for a long time. If there is a portion of the back-up battery cell that is not 100%, it may be that the battery itself has a problem or that there is a connection problem. At this time, in order to avoid that the discharging time and detection of other backup battery units are affected due to the decrease of the electric quantity of part of the backup battery units in the battery discharging process, in this embodiment, the electric quantity of the backup battery units that are not fully charged is first charged to 100%, and then the output voltage of each backup battery is increased to be greater than the output voltage of the battery module, and step S104 is executed.
Further, as shown in fig. 3, in order to increase the safety factor and ensure that the power module ensures that the server operates normally during the charging process of the backup battery unit and reliably takes over the server at any time during the discharging process of the backup battery unit, in another embodiment, step S105 is further included before step S1031 is performed.
S105: and detecting whether the total output power of the power module is greater than the consumed power of the server, if so, executing S1031, and if not, prompting operation and maintenance personnel to maintain the power module to a normal state.
In practical application, most of power modules of the server are designed in a redundant manner, and the total output power provided by the power modules is larger than the consumed power of the server under normal conditions; if the output power of the power module is less than the consumed power of the server, the redundant power module itself may have a problem, and thus there is a need to remind operation and maintenance personnel to check the power module.
In addition, the detection maintenance method provided by the embodiment of the invention further comprises a step S106
S106: the time from the last detection maintenance is calculated, and S101 is performed when the time is greater than the threshold time.
Besides providing the aforementioned method for detecting and maintaining the server power supply system, an embodiment of the present invention further provides a device for detecting and maintaining the server power supply system. The detection and maintenance device may be provided in a centralized manner or a distributed manner in the server power supply system.
Fig. 3 is a schematic diagram of a server power supply system detection and maintenance apparatus according to an embodiment of the present invention. As shown in fig. 3, the inspection and maintenance device includes a statistic unit 11, a charge and discharge control unit 12, and a detection unit 13.
The counting unit 11 is used for counting the number of the backup battery units 16 and the rated output power of each available backup battery unit 16, and calculating the total output power according to the number and the rated output power; the charging and discharging control unit 12 is configured to, when the total output power is greater than the power consumption of the server, increase the output voltage of each backup battery unit 16 to be greater than the output voltage of the power module 15, so that the backup battery units 16 discharge; the detecting unit 13 is configured to test the characteristic parameters of the backup battery units 16 when the backup battery units 16 are discharged, and detect the electric quantity of each backup battery unit 16. In addition, the charging and discharging control unit 12 is further configured to reduce the output voltage of each backup battery unit 16 to be less than the output voltage of the power module 15 when the detection unit 13 detects that the remaining capacity of any backup battery unit 16 is lower than the preset threshold.
Further, in the present embodiment, the charge and discharge control unit 12 controls each backup battery cell 16 to discharge when each backup battery cell 16 is fully charged; and when any backup battery unit 16 is not fully charged, controlling the backup battery units 16 to be fully charged and then increasing the output voltage of each backup battery unit 16 to be greater than the output voltage of the power module 15.
In addition, the statistical unit 11 is further configured to detect whether the total output power of the power module 15 is greater than the consumed power of the server; when the rated output power of the power module 15 is greater than the power consumed by the server, the charge and discharge control unit 12 increases the output voltage of each backup battery unit 16 to be greater than the output voltage of the power module 15.
As shown in fig. 3, the general inspection and maintenance device of the present embodiment further includes a timing unit 14. The timing unit 14 is used for calculating the time of the upper detection maintenance and triggering the statistical unit 11 to work when the time reaches the threshold time.
The above description describes a detection and maintenance method and a detection and maintenance device for a server power supply system in the embodiment of the present invention in detail. The principle and the implementation manner of the present invention are explained in this section by using specific embodiments, and the above description of the embodiments is only used to help understanding the core idea of the present invention, and all other embodiments obtained by those skilled in the art without creative efforts will fall within the protection scope of the present invention without departing from the principle of the present invention.
Claims (8)
1. A detection maintenance method of a server power supply system is used in the server power supply system with a backup battery unit and a power module connected in parallel; which is characterized by comprising the following steps of,
s101: counting the number of available backup battery units and the rated output power of each available backup battery unit, and calculating the total output power according to the number and the rated output power;
s102: judging whether the total output power is larger than the consumed power of the server, and executing S103 if the total output power is larger than the consumed power of the server;
s103: the output voltage of each backup battery unit is increased to be greater than the output voltage of the power supply module, so that the backup battery units are discharged; the method comprises the following specific steps:
s1031: judging whether the electric quantity of each backup battery unit is full, if so, executing S1032, otherwise, executing S1033;
s1032: the output voltage of each backup battery unit is increased to be larger than the output voltage of the battery module;
s1033: charging the sub-charged backup battery cells to 100%, and performing S1032;
s104: testing the characteristic parameters of each backup battery unit, and detecting the residual electric quantity of each backup battery unit; and when the residual electric quantity of the backup battery units is lower than a preset threshold value, reducing the output voltage of each backup battery unit to be less than the output voltage of the power supply module.
2. The inspection and maintenance method according to claim 1, further comprising S105;
s105: and detecting whether the total output power of the power supply module is larger than the consumed power of the server, and if so, executing S103.
3. The detection and maintenance method according to claim 2, further comprising, before S101, S106;
s106: the time from the last detection maintenance is calculated, and S101 is performed when the time is greater than the threshold time.
4. The inspection and maintenance method according to claim 1, wherein:
and when the residual electric quantity of any backup battery unit is lower than a preset threshold value, reducing the output voltage of each backup battery unit to be less than the output voltage of the power supply module.
5. A detection maintenance device of a server power supply system is used in the server power supply system with a backup battery unit and a power module connected in parallel; the detection maintenance device comprises:
the counting unit is used for counting the number of the backup battery units and the rated output power of each available backup battery unit and calculating the total output power according to the number and the rated output power;
the charging and discharging control unit is used for increasing the output voltage of each backup battery unit to be greater than the output voltage of the power supply module under the condition that the total output power is greater than the power consumption of the server so as to discharge the backup battery units; the charge and discharge control unit controls each backup battery unit to discharge under the condition that each backup battery unit is fully charged; and the number of the first and second groups,
when any backup battery unit is not fully charged, controlling the backup battery units to be fully charged and then increasing the output voltage of each backup battery unit to be greater than the output voltage of the power supply module;
the detection unit is used for testing the characteristic parameters of the backup battery units when the backup battery units discharge, and detecting the electric quantity of each backup battery unit;
the charging and discharging control unit is further used for reducing the output voltage of each backup battery unit to be smaller than the output voltage of the power supply module when the detection unit detects that the residual electric quantity of the backup battery unit is lower than a preset threshold value.
6. The inspection and maintenance device of claim 5, wherein:
the statistical unit is also used for detecting whether the total output power of the power supply module is greater than the consumed power of the server;
and the charge and discharge control unit promotes the output voltage of each backup battery unit to be greater than the output voltage of the power module under the condition that the rated output power of the power module is greater than the power consumed by the server.
7. The inspection and maintenance device of claim 5, further comprising:
and the timing unit is used for calculating the time from the last detection maintenance and triggering the statistical unit to work when the time is greater than the threshold time.
8. The inspection and maintenance device of claim 5, wherein:
and when the detection unit detects that the residual electric quantity of any backup battery unit is lower than a preset threshold value, the charge and discharge control unit reduces the output voltage of each backup battery unit to be less than the output voltage of the power supply module.
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| CN201710631565.3A CN107478996B (en) | 2017-07-28 | 2017-07-28 | Detection and maintenance method and device for server power supply system |
| PCT/CN2018/071565 WO2019019561A1 (en) | 2017-07-28 | 2018-01-05 | Detection and maintenance method and device for server power supply system |
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| CN107478996B (en) * | 2017-07-28 | 2020-05-19 | 苏州浪潮智能科技有限公司 | Detection and maintenance method and device for server power supply system |
| CN108872874B (en) * | 2018-06-29 | 2021-06-04 | 国网山东省电力公司惠民县供电公司 | Detection method and device for standby power supply of optical transceiver |
| CN108829063A (en) * | 2018-07-02 | 2018-11-16 | 深圳市佳运通电子有限公司 | Heating furnace Integrity Management centralized control equipment |
| CN113917355A (en) * | 2020-07-07 | 2022-01-11 | 中国电信股份有限公司 | Automatic test method, device and system for redundant power supply |
| CN116027103B (en) * | 2023-03-29 | 2023-09-15 | 荣耀终端有限公司 | Power consumption detection circuit, power consumption detection chip and terminal equipment |
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