CN113741672A - Mainboard power supply leakage detection method, system and related components - Google Patents
Mainboard power supply leakage detection method, system and related components Download PDFInfo
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- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
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Abstract
The application discloses a mainboard power supply leakage detection method, which comprises the following steps: determining one or more voltage detection points on the main board circuit; controlling the power supply states of one or more power supplies to enable all the power supplies to operate according to a preset power supply mode; collecting power supply voltages of all the power supplies and circuit voltages of all the voltage detection points in the preset power supply mode; and analyzing all the power supply voltages and all the circuit voltages to judge whether the voltage detection point electric leakage exists or not. The method adopts nondestructive voltage detection, can quickly detect the voltage conditions of a plurality of parts under the same working condition and analyze whether electric leakage occurs, and has high efficiency, quickness and high accuracy in the whole process. Correspondingly, the application also discloses a system and a device for detecting the leakage of the power supply of the mainboard and a readable storage medium.
Description
Technical Field
The invention relates to the field of servers, in particular to a method and a system for detecting electric leakage of a mainboard power supply and related components.
Background
Currently, the power supply portion of the server motherboard is one of the important portions of the motherboard circuitry, and is used to convert the 54V/12V voltage output by the power module PSU into the appropriate voltage required by the CPU (Central Processing Unit), PCH (Platform Controller Hub, integrated south bridge), BMC (Baseboard Management Controller), FPGA (Field Programmable Gate Array), and other circuitry. Because the server needs to work in different scenes, different workloads exist in different scenes, and different power supplies are used according to application conditions to reduce power consumption, the power supply of the server mainboard generally includes two types, one type is STBY (stand by) power, namely, the power supply needs to be provided in a shutdown state, and the other type is Core power, namely, the power supply can be provided only when the server is started.
In a standard design, in a shutdown state, a circuit powered by core electricity should have no voltage, but in an actual test process, it is often found that a certain level also exists in the shutdown state in the circuit, and this situation is called leakage in a board test. In case the electric leakage condition appears, just need the engineer to investigate the circuit, find out the electric leakage reason and solve, present electric leakage investigation all uses universal meter or oscilloscope to go on through the engineer is manual, because mainboard supply circuit is complicated, and the investigation need consume a large amount of time, and the debugging process is loaded down with trivial details, and causes the harm to the board card easily.
Therefore, how to provide a solution to the above technical problems is a problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a lossless and efficient motherboard power leakage detection method, system and related components. The specific scheme is as follows:
a mainboard power supply leakage detection method comprises the following steps:
determining one or more voltage detection points on the main board circuit;
controlling the power supply states of one or more power supplies to enable all the power supplies to operate according to a preset power supply mode;
collecting power supply voltages of all the power supplies and circuit voltages of all the voltage detection points in the preset power supply mode;
and analyzing all the power supply voltages and all the circuit voltages to judge whether the voltage detection point electric leakage exists or not.
Preferably, the process of determining one or more voltage detection points on the motherboard circuit includes:
and respectively determining one or more circuit main nodes and/or one or more load interface ends on the circuit main board as voltage detection points.
Preferably, the preset power supply mode is specifically that each power supply is powered on or powered off at a corresponding time.
Preferably, the plurality of power supplies comprises a base power supply and a core power supply.
Preferably, the preset power supply mode specifically controls the basic power supply and the core power supply to be powered on sequentially.
Preferably, the analyzing all the power voltages and all the circuit voltages to determine whether there is a leakage current at the voltage detection point includes:
judging whether an overvoltage detection point exists or not, wherein the overvoltage detection point is specifically the voltage detection point of which the circuit voltage is greater than the corresponding voltage threshold;
if yes, judging whether the change rate of the circuit voltage of each overvoltage detection point is related to the change rate of the power supply voltage of any power supply or not for each overvoltage detection point;
if yes, judging whether the power supply related to the overvoltage detection point is a theoretical power supply of the overvoltage detection point;
if not, the leakage of the overvoltage detection point is determined.
Preferably, the motherboard power supply leakage detection method further includes:
and comparing the change rate of the circuit voltage of the overvoltage detection points of all the leakage to determine a leakage area on the circuit main board.
Correspondingly, this application still discloses a mainboard power leakage detection system, includes:
the detection point determining module is used for determining one or more voltage detection points on the mainboard circuit;
the control module is used for controlling the power supply states of one or more power supplies so that all the power supplies operate according to a preset power supply mode;
the acquisition module is used for acquiring the power supply voltages of all the power supplies and the circuit voltages of all the voltage detection points in the preset power supply mode;
and the analysis module is used for analyzing all the power supply voltages and all the circuit voltages so as to judge whether the voltage detection point leaks electricity.
Correspondingly, this application still discloses a mainboard power leakage detection device, includes:
a memory for storing a computer program;
a processor, configured to implement the steps of the motherboard power supply leakage detection method according to any of the above embodiments when executing the computer program.
Correspondingly, the present application also discloses a readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the steps of the motherboard power leakage detection method described in any one of the above are implemented.
The application discloses a mainboard power supply leakage detection method, which comprises the following steps: determining one or more voltage detection points on the main board circuit; controlling the power supply states of one or more power supplies to enable all the power supplies to operate according to a preset power supply mode; collecting power supply voltages of all the power supplies and circuit voltages of all the voltage detection points in the preset power supply mode; and analyzing all the power supply voltages and all the circuit voltages to judge whether the voltage detection point electric leakage exists or not. The method adopts nondestructive voltage detection, can quickly detect the voltage conditions of a plurality of parts under the same working condition and analyze whether electric leakage occurs, and has high efficiency, quickness and high accuracy in the whole process.
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, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a flowchart illustrating a method for detecting leakage of a motherboard power supply according to an embodiment of the present invention;
FIG. 2 is a flow chart illustrating sub-steps of a method for detecting leakage of a motherboard power supply according to an embodiment of the present invention;
FIG. 3 is a structural distribution diagram of a motherboard power leakage detection system according to an embodiment of the present invention;
fig. 4 is a structural distribution diagram of a motherboard power leakage detection apparatus according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
In a standard design, in a shutdown state, a circuit powered by core electricity should have no voltage, but in an actual test process, it is often found that a certain level also exists in the shutdown state in the circuit, and this situation is called leakage in a board test. In case the electric leakage condition appears, just need the engineer to investigate the circuit, find out the electric leakage reason and solve, present electric leakage investigation all uses universal meter or oscilloscope to go on through the engineer is manual, because mainboard supply circuit is complicated, and the investigation need consume a large amount of time, and the debugging process is loaded down with trivial details, and causes the harm to the board card easily.
The method adopts nondestructive voltage detection, can quickly detect the voltage conditions of a plurality of parts under the same working condition and analyze whether electric leakage occurs, and has high efficiency, quickness and high accuracy in the whole process.
The embodiment of the invention discloses a mainboard power supply leakage detection method, which is shown in figure 1 and comprises the following steps:
s1: determining one or more voltage detection points on the main board circuit;
specifically, one or more circuit main nodes and/or one or more load interface terminals on the circuit main board are respectively determined as the voltage detection points.
S2: controlling the power supply states of one or more power supplies to enable all the power supplies to operate according to a preset power supply mode;
it should be understood that the power source herein refers to a power source for supplying power to the motherboard circuit, and the plurality of power sources have differences in power-on condition and power source amplitude. Further, in the embodiment, by studying whether the influence of different power sources on the main board circuit is expected, the preset power supply mode mainly includes a preset time and/or a preset sequence of the power-on action and the power-off action of each power source. In general, the preset power supply mode is specifically that each power supply is powered on or powered off at a corresponding time.
Further, since the purpose of the detection method in this embodiment is to determine whether the main board circuit leaks electricity, in the conventional power type division, the plurality of power sources include a base power source and a CORE power source, the base power source is also the STBY power source, and the CORE power source is also the CORE power source which is provided only when the motherboard is turned on. The two power supplies have different power-on conditions, so the corresponding preset power supply mode generally controls the basic power supply and the core power supply to be powered on in sequence, and the circuit voltage changes of the voltage detection points are observed one by one when the basic power supply and the core power supply are powered on.
S3: collecting power supply voltages of all power supplies and circuit voltages of all voltage detection points in the preset power supply mode;
specifically, the action of collecting the power supply voltage and the circuit voltage in this step is specifically realized by a voltage collecting module including a plurality of voltage collecting circuits, the voltage collecting module is provided with a plurality of contacts to access the voltage of the power supply or the voltage detecting point, the voltage collecting circuit determines the voltage value of the analog quantity inside, and the voltage value of the analog quantity is converted into a digital quantity by an analog-to-digital converter and is output to the processor executing step S4.
S4: all power supply voltages and all circuit voltages are analyzed to determine if there is a voltage detection point leakage.
Specifically, referring to fig. 2, step S4 includes:
s41: judging whether an overvoltage detection point exists or not, wherein the overvoltage detection point is a voltage detection point with a circuit voltage larger than a corresponding voltage threshold;
s42: if yes, judging whether the change rate of the circuit voltage of each overvoltage detection point is related to the change rate of the power supply voltage of any power supply or not for each overvoltage detection point;
if not, the circuit voltage at the voltage detection point is normal.
S43: if yes, judging whether a power supply related to the overvoltage detection point is a theoretical power supply of the overvoltage detection point;
s44: if not, the leakage of the overvoltage detection point is determined.
The method can accurately position the electric leakage position, further determine the solving direction of the electric leakage problem, shorten the debugging time of the board card and improve the whole testing efficiency.
Further, in this embodiment, the voltage detection point is specifically a certain circuit master node or a load interface end, and according to the position of the voltage detection point on the motherboard circuit, the circuit voltage of the voltage detection point actually represents a certain circuit detection area, so that according to the further analysis of the influence range of the voltage detection point, the motherboard power supply leakage detection method further includes:
s5: and comparing the change rate of the circuit voltage of all the leaked overvoltage detection points to determine a leakage area on the circuit main board.
Specifically, after the processor obtains the analysis result, the analysis result can be displayed on a display screen, and the analysis result can comprise a marking voltage detection point, an overvoltage detection point of electric leakage, a mainboard circuit diagram of an electric leakage area, and can also comprise an amplitude waveform diagram of the collected power voltage and the circuit voltage.
The embodiment of the application discloses a mainboard power supply electric leakage detection method, which comprises the following steps: determining one or more voltage detection points on the main board circuit; controlling the power supply states of one or more power supplies to enable all the power supplies to operate according to a preset power supply mode; collecting power supply voltages of all the power supplies and circuit voltages of all the voltage detection points in the preset power supply mode; and analyzing all the power supply voltages and all the circuit voltages to judge whether the voltage detection point electric leakage exists or not. The method adopts nondestructive voltage detection, can quickly detect the voltage conditions of a plurality of parts under the same working condition and analyze whether electric leakage occurs, and has high efficiency, quickness and high accuracy in the whole process.
Correspondingly, an embodiment of the present application further discloses a system for detecting leakage of a motherboard power supply, as shown in fig. 3, including:
the detection point determining module 1 is used for determining one or more voltage detection points on the mainboard circuit;
the control module 2 is used for controlling the power supply states of one or more power supplies to enable all the power supplies to operate according to a preset power supply mode;
the acquisition module 3 is used for acquiring the power supply voltages of all the power supplies and the circuit voltages of all the voltage detection points in the preset power supply mode;
and the analysis module 4 is used for analyzing all the power supply voltages and all the circuit voltages so as to judge whether the voltage detection point is in leakage or not.
The embodiment of the method adopts non-destructive voltage detection, can quickly detect the voltage conditions of a plurality of parts under the same working condition and analyze whether electric leakage occurs, and has high efficiency, quickness and high accuracy in the whole process.
In some specific embodiments, the detection point determining module 1 is specifically configured to:
and respectively determining one or more circuit main nodes and/or one or more load interface ends on the circuit main board as voltage detection points.
In some specific embodiments, the preset power supply mode is specifically that each power supply is powered on or powered off at a corresponding time.
In some specific embodiments, the plurality of power supplies includes a base power supply and a core power supply.
In some specific embodiments, the preset power supply mode is specifically to control the basic power supply and the core power supply to be powered on sequentially.
In some specific embodiments, the analysis module 4 comprises:
the first judging unit is used for judging whether an overvoltage detection point exists or not, wherein the overvoltage detection point is specifically the voltage detection point of which the circuit voltage is greater than the corresponding voltage threshold; if yes, triggering a second judgment unit;
a second judging unit, configured to judge, for each overvoltage detection point, whether a change rate of the circuit voltage at the overvoltage detection point is related to a change rate of the power supply voltage of any one of the power supplies; if yes, triggering a third judging unit;
the third judging unit is used for judging whether the power supply related to the overvoltage detection point is a theoretical power supply of the overvoltage detection point; if not, the leakage of the overvoltage detection point is determined.
In some specific embodiments, the analysis module 4 is further configured to:
and comparing the change rate of the circuit voltage of the overvoltage detection points of all the leakage to determine a leakage area on the circuit main board.
Correspondingly, the embodiment of the application also discloses a mainboard power supply leakage detection device, which comprises a processor 11 and a memory 12; wherein, the processor 11 implements the following steps when executing the computer program stored in the memory 12:
determining one or more voltage detection points on the main board circuit;
controlling the power supply states of one or more power supplies to enable all the power supplies to operate according to a preset power supply mode;
collecting power supply voltages of all the power supplies and circuit voltages of all the voltage detection points in the preset power supply mode;
and analyzing all the power supply voltages and all the circuit voltages to judge whether the voltage detection point electric leakage exists or not.
The method adopts nondestructive voltage detection, can quickly detect the voltage conditions of a plurality of parts under the same working condition and analyze whether electric leakage occurs, and has high efficiency, quickness and high accuracy in the whole process.
In some specific embodiments, when the processor 11 executes the computer subprogram stored in the memory 12, the following steps may be specifically implemented:
and respectively determining one or more circuit main nodes and/or one or more load interface ends on the circuit main board as voltage detection points.
In some specific embodiments, the preset power supply mode is specifically that each power supply is powered on or powered off at a corresponding time.
In some specific embodiments, the plurality of power supplies includes a base power supply and a core power supply.
In some specific embodiments, the preset power supply mode is specifically to control the basic power supply and the core power supply to be powered on sequentially.
In some specific embodiments, when the processor 11 executes the computer subprogram stored in the memory 12, the following steps may be specifically implemented:
judging whether an overvoltage detection point exists or not, wherein the overvoltage detection point is specifically the voltage detection point of which the circuit voltage is greater than the corresponding voltage threshold;
if yes, judging whether the change rate of the circuit voltage of each overvoltage detection point is related to the change rate of the power supply voltage of any power supply or not for each overvoltage detection point;
if yes, judging whether the power supply related to the overvoltage detection point is a theoretical power supply of the overvoltage detection point;
if not, the leakage of the overvoltage detection point is determined.
In some specific embodiments, when the processor 11 executes the computer subprogram stored in the memory 12, the following steps may be specifically implemented:
and comparing the change rate of the circuit voltage of the overvoltage detection points of all the leakage to determine a leakage area on the circuit main board.
Further, the main board power leakage detecting device in this embodiment may further include:
the input interface 13 is configured to obtain a computer program imported from the outside, store the obtained computer program in the memory 12, and also be configured to obtain various instructions and parameters transmitted by an external terminal device, and transmit the instructions and parameters to the processor 11, so that the processor 11 performs corresponding processing by using the instructions and parameters. In this embodiment, the input interface 13 may specifically include, but is not limited to, a USB interface, a serial interface, a voice input interface, a fingerprint input interface, a hard disk reading interface, and the like.
And an output interface 14, configured to output various data generated by the processor 11 to a terminal device connected thereto, so that other terminal devices connected to the output interface 14 can acquire various data generated by the processor 11. In this embodiment, the output interface 14 may specifically include, but is not limited to, a USB interface, a serial interface, and the like.
And the communication unit 15 is used for establishing remote communication connection between the main board power supply leakage detection device and the external server, so that the main board power supply leakage detection device can mount the mirror image file into the external server. In this embodiment, the communication unit 15 may specifically include, but is not limited to, a remote communication unit based on a wireless communication technology or a wired communication technology.
And the keyboard 16 is used for acquiring various parameter data or instructions input by a user through real-time key cap knocking.
And the display 17 is used for displaying relevant information of the main board power supply leakage detection process in real time so that a user can know the current leakage detection condition of the main board power supply in time.
The mouse 18 may be used to assist the user in entering data and to simplify the user's operation.
Further, embodiments of the present application also disclose a readable storage medium, where the readable storage medium includes Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable hard disk, CD-ROM, or any other form of storage medium known in the art. The readable storage medium has stored therein a computer program which, when executed by a processor, performs the steps of:
determining one or more voltage detection points on the main board circuit;
controlling the power supply states of one or more power supplies to enable all the power supplies to operate according to a preset power supply mode;
collecting power supply voltages of all the power supplies and circuit voltages of all the voltage detection points in the preset power supply mode;
and analyzing all the power supply voltages and all the circuit voltages to judge whether the voltage detection point electric leakage exists or not.
The method adopts nondestructive voltage detection, can quickly detect the voltage conditions of a plurality of parts under the same working condition and analyze whether electric leakage occurs, and has high efficiency, quickness and high accuracy in the whole process.
In some specific embodiments, when executed by a processor, the computer sub-program stored in the readable storage medium may specifically implement the following steps:
and respectively determining one or more circuit main nodes and/or one or more load interface ends on the circuit main board as voltage detection points.
In some specific embodiments, the preset power supply mode is specifically that each power supply is powered on or powered off at a corresponding time.
In some specific embodiments, the plurality of power supplies includes a base power supply and a core power supply.
In some specific embodiments, the preset power supply mode is specifically to control the basic power supply and the core power supply to be powered on sequentially.
In some specific embodiments, when executed by a processor, the computer sub-program stored in the readable storage medium may specifically implement the following steps:
judging whether an overvoltage detection point exists or not, wherein the overvoltage detection point is specifically the voltage detection point of which the circuit voltage is greater than the corresponding voltage threshold;
if yes, judging whether the change rate of the circuit voltage of each overvoltage detection point is related to the change rate of the power supply voltage of any power supply or not for each overvoltage detection point;
if yes, judging whether the power supply related to the overvoltage detection point is a theoretical power supply of the overvoltage detection point;
if not, the leakage of the overvoltage detection point is determined.
In some specific embodiments, when executed by a processor, the computer sub-program stored in the readable storage medium may further specifically implement the following steps:
and comparing the change rate of the circuit voltage of the overvoltage detection points of all the leakage to determine a leakage area on the circuit main board.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The method, the system and the related components for detecting the power leakage of the main board provided by the invention are described in detail, a specific example is applied in the text to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A mainboard power supply leakage detection method is characterized by comprising the following steps:
determining one or more voltage detection points on the main board circuit;
controlling the power supply states of one or more power supplies to enable all the power supplies to operate according to a preset power supply mode;
collecting power supply voltages of all the power supplies and circuit voltages of all the voltage detection points in the preset power supply mode;
and analyzing all the power supply voltages and all the circuit voltages to judge whether the voltage detection point electric leakage exists or not.
2. The motherboard power supply leakage detection method of claim 1, wherein said process of determining one or more voltage detection points on the motherboard circuitry comprises:
and respectively determining one or more circuit main nodes and/or one or more load interface ends on the circuit main board as voltage detection points.
3. The motherboard power supply leakage detection method according to claim 1, wherein the preset power supply mode is specifically that each power supply is powered on or powered off at a corresponding time.
4. The motherboard power supply leakage detection method of claim 3, wherein the plurality of power supplies comprise a base power supply and a core power supply.
5. The motherboard power supply leakage detection method as recited in claim 4, wherein the preset power supply mode is specifically to control the basic power supply and the core power supply to be powered on sequentially.
6. The motherboard power supply leakage detection method according to any one of claims 1 to 5, wherein the process of analyzing all the power supply voltages and all the circuit voltages to determine whether there is leakage at the voltage detection point comprises:
judging whether an overvoltage detection point exists or not, wherein the overvoltage detection point is specifically the voltage detection point of which the circuit voltage is greater than the corresponding voltage threshold;
if yes, judging whether the change rate of the circuit voltage of each overvoltage detection point is related to the change rate of the power supply voltage of any power supply or not for each overvoltage detection point;
if yes, judging whether the power supply related to the overvoltage detection point is a theoretical power supply of the overvoltage detection point;
if not, the leakage of the overvoltage detection point is determined.
7. The motherboard power supply leakage detection method of claim 6, further comprising:
and comparing the change rate of the circuit voltage of the overvoltage detection points of all the leakage to determine a leakage area on the circuit main board.
8. A mainboard power supply electric leakage detection system, its characterized in that includes:
the detection point determining module is used for determining one or more voltage detection points on the mainboard circuit;
the control module is used for controlling the power supply states of one or more power supplies so that all the power supplies operate according to a preset power supply mode;
the acquisition module is used for acquiring the power supply voltages of all the power supplies and the circuit voltages of all the voltage detection points in the preset power supply mode;
and the analysis module is used for analyzing all the power supply voltages and all the circuit voltages so as to judge whether the voltage detection point leaks electricity.
9. A motherboard power supply leakage detection device, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the motherboard power supply leakage detection method according to any of claims 1 to 7 when executing the computer program.
10. A readable storage medium, wherein the readable storage medium stores thereon a computer program, and the computer program, when executed by a processor, implements the steps of the motherboard power leakage detection method according to any one of claims 1 to 7.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955094A (en) * | 2011-08-31 | 2013-03-06 | 环旭电子股份有限公司 | Leakage sensing circuit and mainboard with same |
| CN107478942A (en) * | 2017-08-03 | 2017-12-15 | 郑州云海信息技术有限公司 | A kind of method and system of fast positioning mainboard electric leakage power supply |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955094A (en) * | 2011-08-31 | 2013-03-06 | 环旭电子股份有限公司 | Leakage sensing circuit and mainboard with same |
| CN107478942A (en) * | 2017-08-03 | 2017-12-15 | 郑州云海信息技术有限公司 | A kind of method and system of fast positioning mainboard electric leakage power supply |
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