CN112162621B - Method, system, equipment and medium for forced current sharing of server power supply - Google Patents
Method, system, equipment and medium for forced current sharing of server power supply Download PDFInfo
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Abstract
The invention discloses a method, a system, equipment and a storage medium for forced current sharing of a server power supply, wherein the method comprises the following steps: reading output currents of a plurality of server power supplies and calculating a total output current; responding to the voltage drop of the current-sharing bus, calculating the current value required to be output by each server power supply according to the total output current and taking the current value required to be output as a target current value; sequentially adjusting the output voltage of each server power supply according to the sequence of the current value change from small to large, and keeping the output voltage of other server power supplies unchanged when the current server power supply is adjusted each time; and judging whether the output currents of the server power supply all reach respective target current values, and stopping adjustment in response to the fact that the output currents of the server power supply all reach the respective target current values. According to the invention, the server power supply is regulated, so that the condition that the bus voltage is reduced to cause faults due to short circuit or other abnormity of the current-sharing bus is avoided, and the stability of the server power supply is improved.
Description
Technical Field
The present invention relates to the field of server power supplies, and more particularly, to a method, a system, a computer device, and a readable medium for forced current sharing of a server power supply.
Background
With the development of server applications, informatization has gradually spread to various areas of society. People's daily life and daily life are more and more communicated through the network, and the network data volume is also increasing continuously. As a power supply center of a server, the number of power supplies is more and more, a plurality of power supplies of the server are connected in parallel at present, namely, a plurality of power supplies are inserted into the server and powered on at the same time, generally, the plurality of power supplies work in a current sharing mode, namely, each power supply bears more or less load or a part of the power supplies work and a part of the power supplies are in a standby state.
Existing solutions are unregulated by the power supply itself, such as the average current method. The average of all module currents is mainly reflected by the bus voltage (average of the parallel module currents). As shown in fig. 1, the output current detection unit, the current-sharing regulation unit and the output voltage regulation unit are sequentially connected, the micro-program controller, the current-sharing switch and the current-sharing bus are sequentially and annularly connected, the output current detection unit is connected with the micro-program controller, and the current-sharing regulation unit is connected with the current-sharing switch. The average value of all module currents is reflected mainly through bus voltage, and when current sharing is not carried out and the load borne by each power supply is greatly different, an error voltage is output through the function of the error amplifier, so that the reference voltage is corrected, and the current sharing purpose is achieved. However, in the prior art, when a current equalizing bus is short-circuited or when a bus voltage drops when a module does not work, the voltage of each module is reduced, even reaches a lower limit, and a fault is caused.
Disclosure of Invention
In view of this, an object of the embodiments of the present invention is to provide a method, a system, a computer device, and a computer readable storage medium for forced current sharing of a server power supply, which adjust the server power supply, so as to avoid a fault caused by a bus voltage drop due to a short circuit of a current sharing bus or other abnormalities, and improve the stability of the server power supply.
Based on the above purpose, an aspect of the embodiments of the present invention provides a method for forced current sharing of a server power supply, including the following steps: reading output currents of a plurality of server power supplies and calculating a total output current; responding to the voltage drop of the current-sharing bus, calculating a current value required to be output by each server power supply according to the total output current and taking the current value required to be output as a target current value; sequentially adjusting the output voltage of each server power supply according to the sequence of the current value change from small to large, and keeping the output voltage of other server power supplies unchanged when the current server power supply is adjusted each time; and judging whether the output currents of the server power supply all reach the respective target current values, and stopping adjustment in response to the fact that the output currents of the server power supply all reach the respective target current values.
In some embodiments, the sequentially adjusting the output voltages of the server power supplies in order of the current value change from small to large includes: the method comprises the steps of determining the number of server power supplies, determining a reference proportion based on the number, calculating the absolute value of the difference value between the preset proportion of each server power supply and the reference proportion, and sequencing the server power supplies from small to large according to the absolute value.
In some embodiments, said sorting said server power supplies by said absolute value from small to large comprises: in response to there being a plurality of server power supplies corresponding to equal absolute values, the server power supplies having a predetermined ratio less than the reference ratio are arranged in front of the server power supplies having a predetermined ratio greater than the reference ratio.
In some embodiments, the sequentially adjusting the output voltages of the server power supplies in order of the current value change from small to large includes: controlling a reference voltage or a feedback voltage of the server power supply to regulate an output voltage.
In some embodiments, the controlling the reference voltage or the feedback voltage of the server power supply to regulate the output voltage comprises: the output voltage is controlled by controlling the input reference voltage of the amplifier.
In some embodiments, the controlling the reference voltage or the feedback voltage of the server power supply to regulate the output voltage comprises: the input voltage to the amplifier is regulated by a feedback line and the output voltage is controlled by the input voltage.
In some embodiments, the method further comprises: adjusting the predetermined ratio based on the execution efficiency of the server power supply.
In another aspect of the embodiments of the present invention, a forced current equalizing system for a server power supply is further provided, including: the reading module is configured for reading the output current of the power supplies of the servers and calculating the total output current; the target module is configured to respond to voltage drop of the current-sharing bus, calculate a current value required to be output by each server power supply according to the total output current and a preset proportion, and take the current value required to be output as a target current value; the adjusting module is configured to sequentially adjust the output voltage of each server power supply according to the sequence of the current value change from small to large, and keep the output voltages of other server power supplies unchanged when the current server power supply is adjusted each time; and the judging module is configured to judge whether the output currents of the server power supply all reach respective target current values, and stop the adjustment in response to the fact that the output currents of the server power supply all reach the respective target current values.
In another aspect of the embodiments of the present invention, there is also provided a computer device, including: at least one processor; and a memory storing computer instructions executable on the processor, the instructions when executed by the processor implementing the steps of the method as above.
In another aspect of the embodiments of the present invention, a computer-readable storage medium is further provided, in which a computer program for implementing the above method steps is stored when the computer program is executed by a processor.
The invention has the following beneficial technical effects: through adjusting the server power supply, the condition that the voltage of the current-sharing bus is short-circuited or other abnormal bus voltage drops to cause faults is avoided, and the stability of the server power supply is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained by using the drawings without creative efforts.
FIG. 1 is a schematic diagram of power sharing of a server in the prior art;
FIG. 2 is a diagram illustrating an embodiment of a method for forced current sharing of a server power supply according to the present invention;
FIG. 3 is a schematic diagram of a circuit for implementing forced current sharing by controlling a reference voltage according to the present invention;
FIG. 4 is a schematic diagram of a circuit for implementing forced current sharing by controlling feedback voltage according to the present invention;
fig. 5 is a schematic hardware structure diagram of a computer device for forced current sharing of a server power supply according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
In view of the foregoing, a first aspect of the embodiments of the present invention provides an embodiment of a method for forced current sharing of a server power supply. Fig. 2 is a schematic diagram illustrating an embodiment of a method for forced current sharing of a server power supply provided by the present invention. As shown in fig. 2, the embodiment of the present invention includes the following steps:
s1, reading the output currents of the plurality of server power supplies and calculating the total output current;
s2, responding to the voltage drop of the current-sharing bus, calculating the current value required to be output by each server power supply according to the total output current and the preset proportion, and taking the current value required to be output as a target current value;
s3, sequentially adjusting the output voltage of each server power supply according to the sequence of the current value change from small to large, and keeping the output voltage of other server power supplies unchanged when the current server power supply is adjusted each time; and
and S4, judging whether the output currents of the server power supply all reach respective target current values, and stopping adjustment in response to the fact that the output currents of the server power supply all reach the respective target current values.
In this embodiment, four server power supplies are taken as an example for description, but this is not a limitation on the number of server power supplies, and in other embodiments, other numbers of server power supplies may be used.
And reading the output currents of the power supplies of the plurality of servers, and calculating the total output current. For example, if the output current of each server power supply is 10A, the total output current is 40A.
And responding to the voltage drop of the current-sharing bus, calculating the current value required to be output by each server power supply according to the total output current and taking the current value required to be output as a target current value. When the voltage of the current-sharing bus is reduced due to a short circuit or other abnormality of the current-sharing bus, the current value that each server power supply needs to output may be calculated according to the total output current according to a predetermined ratio, the predetermined ratio of the four server power supplies A, B, C and D may be, for example, 10%, 20%, 30% and 40%, that is, the target current value of the server power supply a may be 4A, the target current value of the server power supply B may be 8A, the target current value of the server power supply C may be 12A, and the target current value of the server power supply D may be 16A.
And sequentially adjusting the output voltage of each server power supply according to the sequence of the current value change from small to large, and keeping the output voltage of other server power supplies unchanged when the current server power supply is adjusted each time.
In some embodiments, the sequentially adjusting the output voltage of the server power supply in the order of the current value change from small to large includes: the method comprises the steps of determining the number of server power supplies, determining a reference proportion based on the number, calculating the absolute value of the difference value between the preset proportion of each server power supply and the reference proportion, and sequencing the server power supplies from small to large according to the absolute value. In the present embodiment, the number of server power supplies is four, the reference ratio may be 1/4 ═ 25%, and the absolute value of the difference between the predetermined ratio of each server power supply and the reference ratio is calculated, for example, the absolute value of the difference between the predetermined ratio of the server power supply a and the reference ratio is 5%, the absolute value of the difference between the predetermined ratio of the server power supply B and the reference ratio is 15%, the absolute value of the difference between the predetermined ratio of the server power supply C and the reference ratio is 15%, and the absolute value of the difference between the predetermined ratio of the server power supply D and the reference ratio is 15%. The server power supplies are ordered from small to large in absolute value, i.e., the order may be A, D, B, C or A, D, C, B or D, A, B, C or D, A, C, B.
In some embodiments, said sorting said server power supplies by said absolute value from small to large comprises: in response to there being a plurality of server power supplies corresponding to equal absolute values, the server power supplies having a predetermined ratio less than the reference ratio are arranged in front of the server power supplies having a predetermined ratio greater than the reference ratio. If there are a plurality of server power supplies with equal absolute values, a and D in this embodiment are equal, B and C are equal, a server power supply with a predetermined ratio smaller than the reference ratio is arranged in front of a server power supply with a predetermined ratio larger than the reference ratio, B can be arranged in front of C, and a can be arranged in front of D, which can consume less power during the adjustment process.
In some embodiments, the sequentially adjusting the output voltages of the server power supplies in order of the current value change from small to large includes: controlling a reference voltage or a feedback voltage of the server power supply to regulate an output voltage.
In some embodiments, the controlling the reference voltage or the feedback voltage of the server power supply to regulate the output voltage comprises: the output voltage is controlled by controlling the input reference voltage of the amplifier. FIG. 3 is a schematic diagram of a part of a circuit for implementing forced current sharing by controlling a reference voltage. As shown in fig. 3, the circuit is a feedback circuit, and the output voltage can be controlled to be high or low by controlling the reference voltage 12V _ ref signal at the input terminal of the amplifier to make the signal Force signal at the input terminal high or low.
In some embodiments, the controlling the reference voltage or the feedback voltage of the server power supply to regulate the output voltage comprises: the input voltage of the amplifier is regulated by a feedback line and the output voltage is controlled by the input voltage. Fig. 4 is a schematic circuit diagram of a part of circuit for implementing forced current sharing by controlling feedback voltage. As shown in fig. 4, the output terminal Force signal can be directly controlled, after the output voltage becomes high or low, the input voltage of the amplifier is controlled to become high or low through the feedback circuit, and the output signal is controlled through the input voltage.
And judging whether the output currents of the server power supply all reach the target current value, and stopping adjustment in response to the fact that the output currents of the server power supply all reach the target current value.
In some embodiments, the method further comprises: adjusting the predetermined ratio based on the execution efficiency of the server power supply. During execution, the execution efficiency of each server power supply may be recorded, and the predetermined ratio may be adjusted based on the record so that the server power supplies may operate at maximum execution efficiency.
It should be noted that, the steps in the embodiments of the method for forced current sharing of server power supply may be mutually intersected, replaced, added, or deleted, so that these methods for forced current sharing of server power supply, which are transformed by reasonable permutation and combination, should also belong to the scope of protection of the present invention, and should not limit the scope of protection of the present invention to the embodiments.
In view of the above, a second aspect of the embodiments of the present invention provides a system for forced current sharing of a server power supply, including: the reading module is configured for reading the output current of the power supplies of the servers and calculating the total output current; the target module is configured to respond to voltage drop of the current-sharing bus, calculate a current value required to be output by each server power supply according to the total output current and a preset proportion, and take the current value required to be output as a target current value; the adjusting module is configured to sequentially adjust the output voltage of each server power supply according to the sequence of the current value change from small to large, and keep the output voltages of other server power supplies unchanged when the current server power supply is adjusted each time; and the judging module is configured to judge whether the output currents of the server power supply all reach respective target current values, and stop the adjustment in response to the fact that the output currents of the server power supply all reach the respective target current values.
In some embodiments, the adjustment module is configured to: the method comprises the steps of determining the number of server power supplies, determining a reference proportion based on the number, calculating the absolute value of the difference value between the preset proportion of each server power supply and the reference proportion, and sequencing the server power supplies from small to large according to the absolute value.
In some embodiments, the adjustment module is configured to: in response to there being a plurality of server power supplies corresponding to equal absolute values, the server power supplies having a predetermined ratio less than the reference ratio are arranged in front of the server power supplies having a predetermined ratio greater than the reference ratio.
In some embodiments, the adjustment module is configured to: controlling a reference voltage or a feedback voltage of the server power supply to regulate an output voltage.
In some embodiments, the adjustment module is configured to: the output voltage is controlled by controlling the input reference voltage of the amplifier.
In some embodiments, the adjustment module is configured to: the input voltage of the amplifier is regulated by a feedback line and the output voltage is controlled by the input voltage.
In some embodiments, the system further comprises: adjusting the predetermined ratio based on the execution efficiency of the server power supply.
In view of the above object, a third aspect of the embodiments of the present invention provides a computer device, including: at least one processor; and a memory storing computer instructions executable on the processor, the instructions being executable by the processor to perform the steps of: s1, reading the output currents of the plurality of server power supplies and calculating the total output current; s2, responding to the voltage drop of the current-sharing bus, calculating the current value required to be output by each server power supply according to the total output current and the preset proportion, and taking the current value required to be output as a target current value; s3, sequentially adjusting the output voltage of each server power supply according to the sequence of the current value change from small to large, and keeping the output voltage of other server power supplies unchanged when the current server power supply is adjusted each time; and S4, judging whether the output currents of the server power supply all reach respective target current values, and stopping adjustment in response to the output currents of the server power supply all reaching the respective target current values.
In some embodiments, the sequentially adjusting the output voltages of the server power supplies in order of the current value change from small to large includes: the method comprises the steps of determining the number of server power supplies, determining a reference proportion based on the number, calculating the absolute value of the difference value between the preset proportion of each server power supply and the reference proportion, and sequencing the server power supplies from small to large according to the absolute value.
In some embodiments, said sorting said server power supplies by said absolute value from small to large comprises: in response to there being a plurality of server power supplies corresponding to equal absolute values, the server power supplies having a predetermined ratio less than the reference ratio are arranged in front of the server power supplies having a predetermined ratio greater than the reference ratio.
In some embodiments, the sequentially adjusting the output voltages of the server power supplies in order of the current value change from small to large includes: controlling a reference voltage or a feedback voltage of the server power supply to regulate an output voltage.
In some embodiments, the controlling the reference voltage or the feedback voltage of the server power supply to regulate the output voltage comprises: the output voltage is controlled by controlling the input reference voltage of the amplifier.
In some embodiments, the controlling the reference voltage or the feedback voltage of the server power supply to regulate the output voltage comprises: the input voltage of the amplifier is regulated by a feedback line and the output voltage is controlled by the input voltage.
In some embodiments, the steps further comprise: and adjusting the predetermined proportion according to the execution efficiency of the server power supply.
Fig. 5 is a schematic hardware structure diagram of an embodiment of the computer device for forced current sharing of the server power supply provided by the present invention.
Taking the apparatus shown in fig. 5 as an example, the apparatus includes a processor 301 and a memory 302, and may further include: an input device 303 and an output device 304.
The processor 301, the memory 302, the input device 303 and the output device 304 may be connected by a bus or other means, and fig. 5 illustrates the connection by a bus as an example.
The memory 302 is a non-volatile computer-readable storage medium, and can be used to store non-volatile software programs, non-volatile computer-executable programs, and modules, such as program instructions/modules corresponding to the method for forced current sharing of server power supply in the embodiment of the present application. The processor 301 executes various functional applications and data processing of the server by running the nonvolatile software program, instructions and modules stored in the memory 302, that is, implements the method for forced current sharing of the server power supply of the above-described method embodiment.
The memory 302 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the method of forcibly equalizing the power of the server, and the like. Further, the memory 302 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, memory 302 optionally includes memory located remotely from processor 301, which may be connected to a local module via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 303 may receive information such as a user name and a password that are input. The output means 304 may comprise a display device such as a display screen.
Program instructions/modules corresponding to one or more methods for server power forced current sharing are stored in the memory 302, and when executed by the processor 301, perform the method for server power forced current sharing in any of the above-described method embodiments.
Any embodiment of the computer device executing the method for forced current sharing of the server power supply can achieve the same or similar effects as any corresponding embodiment of the method.
The invention also provides a computer readable storage medium storing a computer program which, when executed by a processor, performs the method as above.
Finally, it should be noted that, as one of ordinary skill in the art can appreciate, all or part of the processes in the methods according to the embodiments described above can be implemented by instructing relevant hardware through a computer program, and the program of the method for forced current sharing of a server power supply can be stored in a computer-readable storage medium, and when executed, the program can include the processes according to the embodiments of the methods described above. The storage medium of the program may be a magnetic disk, an optical disk, a Read Only Memory (ROM), a Random Access Memory (RAM), or the like. The embodiments of the computer program may achieve the same or similar effects as any of the above-described method embodiments.
The foregoing is an exemplary embodiment of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the present disclosure as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.
The numbers of the embodiments disclosed in the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to these examples; within the idea of an embodiment of the invention, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of the embodiments of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (10)
1. A method for forced current sharing of a server power supply is characterized by comprising the following steps:
reading output currents of a plurality of server power supplies and calculating a total output current;
responding to the voltage drop of the current-sharing bus, calculating a current value required to be output by each server power supply according to the total output current and taking the current value required to be output as a target current value;
sequentially adjusting the output voltage of each server power supply according to the sequence of the current value change from small to large, and keeping the output voltage of other server power supplies unchanged when the current server power supply is adjusted each time; and
and judging whether the output currents of the server power supply all reach the respective target current values, and stopping adjustment in response to the fact that the output currents of the server power supply all reach the respective target current values.
2. The method of claim 1, wherein sequentially adjusting the output voltage of each server power supply in order of decreasing current value change comprises:
the method comprises the steps of determining the number of server power supplies, determining a reference proportion based on the number, calculating the absolute value of the difference value between the preset proportion of each server power supply and the reference proportion, and sequencing the server power supplies from small to large according to the absolute value.
3. The method of claim 2, wherein said sorting said server power supplies from small to large in said absolute value comprises:
in response to there being a plurality of server power supplies corresponding to equal absolute values, the server power supplies having a predetermined ratio less than the reference ratio are arranged in front of the server power supplies having a predetermined ratio greater than the reference ratio.
4. The method of claim 1, wherein sequentially adjusting the output voltage of each server power supply in order of decreasing current value change comprises:
controlling a reference voltage or a feedback voltage of the server power supply to regulate an output voltage.
5. The method of claim 4, wherein controlling the reference voltage or the feedback voltage of the server power supply to regulate the output voltage comprises:
the output voltage is controlled by controlling the input reference voltage of the amplifier.
6. The method of claim 4, wherein controlling the reference voltage or the feedback voltage of the server power supply to regulate the output voltage comprises:
the input voltage of the amplifier is regulated by a feedback line and the output voltage is controlled by the input voltage.
7. The method of claim 1, further comprising:
adjusting the predetermined ratio based on the execution efficiency of the server power supply.
8. A system for forced current sharing of server power supplies, comprising:
the reading module is configured for reading the output current of the power supplies of the servers and calculating the total output current;
the target module is configured to respond to voltage drop of the current-sharing bus, calculate a current value required to be output by each server power supply according to the total output current and a preset proportion, and take the current value required to be output as a target current value;
the adjusting module is configured to sequentially adjust the output voltage of each server power supply according to the sequence of the current value change from small to large, and keep the output voltages of other server power supplies unchanged when the current server power supply is adjusted each time; and
and the judging module is configured for judging whether the output currents of the server power supply all reach respective target current values or not, and stopping adjustment in response to the fact that the output currents of the server power supply all reach the respective target current values.
9. A computer device, comprising:
at least one processor; and
a memory storing computer instructions executable on the processor, the instructions when executed by the processor implementing the steps of the method of any one of claims 1 to 7.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
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