CN113777982B - PSU fault diagnosis system and PSU system - Google Patents

PSU fault diagnosis system and PSU system Download PDF

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Publication number
CN113777982B
CN113777982B CN202111000090.0A CN202111000090A CN113777982B CN 113777982 B CN113777982 B CN 113777982B CN 202111000090 A CN202111000090 A CN 202111000090A CN 113777982 B CN113777982 B CN 113777982B
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psu
information
primary
alarm information
dsp
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CN113777982A (en
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马文超
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Suzhou Inspur Intelligent Technology Co Ltd
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Suzhou Inspur Intelligent Technology Co Ltd
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0428—Safety, monitoring
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/24—Pc safety
    • G05B2219/24215—Scada supervisory control and data acquisition

Abstract

The invention discloses a PSU fault diagnosis system and a PSU system.A primary DSP detects primary state information of a PSU besides primary alarm information of the PSU, a secondary DSP detects secondary state information of the PSU besides secondary alarm information of the PSU, a storage module stores the primary alarm information of the PSU, the primary state information of the PSU, the secondary alarm information of the PSU and the secondary state information of the PSU, and a BMC reads the primary alarm information of the PSU and the secondary alarm information of the PSU in the storage module through the secondary DSP. When the PSU fails, the working state of the PSU before the failure occurs can be reproduced only by calling the primary alarm information of the PSU, the primary state information of the PSU, the secondary alarm information of the PSU and the secondary state information of the PSU in the storage module so as to diagnose the failure.

Description

PSU fault diagnosis system and PSU system
Technical Field
The invention relates to the technical field of server power supply, in particular to a PSU fault diagnosis system and a PSU system.
Background
With the development of computer technology, highly reliable server equipment is more and more important for people's work and life, and a PSU (Power Supply Unit) as a server Power Supply reduces the reliability of a server when the PSU fails, so that performing fault diagnosis on the PSU is very important for ensuring the reliability of the server.
In the prior art, the PSU is generally divided into two-stage structures, wherein a primary structure is AC-DC (Alternating Current-Direct Current), and a secondary structure is DC-DC (Direct Current-Direct Current). A PSU fault diagnosis system in the prior art includes a primary DSP (Digital Signal Processing), a secondary DSP, a black box, and a BMC (base plate Manager Controller), wherein the primary DSP detects primary alarm information of a primary structure of the PSU and transmits the primary alarm information to the secondary DSP, the secondary DSP detects secondary alarm information of a secondary structure of the PSU and stores the primary alarm information and the secondary alarm information into the black box, the BMC periodically reads and records the primary alarm information and the secondary alarm information stored in the black box through the secondary DSP, and an engineer can diagnose a PSU fault according to the primary alarm information and the secondary alarm information recorded by the BMC. However, the primary alarm information and the secondary alarm information can only show fault points such as input over-voltage and under-voltage of the PSU, PFC (Power Factor Correction) over-voltage and under-voltage in the PSU, output over-voltage and under-voltage of the PSU, output over-current of the PSU, over-temperature of the PSU, fan fault of the PSU, and the like, and cannot understand the working state of the PSU before the fault occurs, which is not favorable for accurately positioning and analyzing the fault of the PSU.
Disclosure of Invention
The invention aims to provide a PSU fault diagnosis system and a PSU system, which realize the reproduction of the working state of the PSU before the occurrence of the fault and are convenient for accurately positioning, analyzing and diagnosing the fault of the PSU.
In order to solve the above technical problem, the present invention provides a PSU fault diagnosis system, including:
the primary DSP is used for detecting primary alarm information of the PSU and primary state information of the PSU;
the secondary DSP is used for detecting secondary alarm information of the PSU and secondary state information of the PSU;
the storage module is used for storing the primary alarm information of the PSU, the primary state information of the PSU, the secondary alarm information of the PSU and the secondary state information of the PSU;
and the BMC is used for reading the primary alarm information of the PSU and the secondary alarm information of the PSU in the storage module through the secondary DSP.
Preferably, the method further comprises the following steps:
the monitoring DSP is arranged between the primary DSP and the storage module and between the secondary DSP and the storage module and is used for receiving and sending primary alarm information of the PSU and primary state information of the PSU sent by the primary DSP and secondary alarm information of the PSU and secondary state information of the PSU sent by the secondary DSP to the storage module;
the storage module is specifically configured to store primary alarm information of the PSU, primary status information of the PSU, secondary alarm information of the PSU, and secondary status information of the PSU;
the BMC is specifically configured to read the primary alarm information of the PSU and the secondary alarm information of the PSU in the storage module through the monitoring DSP.
Preferably, the sending the primary alarm information of the PSU and the primary status information of the PSU sent by the primary DSP and the secondary alarm information of the PSU and the secondary status information of the PSU sent by the secondary DSP to the storage module includes:
and sending the primary alarm information of the PSU and the primary state information of the PSU sent by the primary DSP and the secondary alarm information of the PSU and the secondary state information of the PSU sent by the secondary DSP to the storage module in real time.
Preferably, the storage module includes:
a black box for storing primary alarm information of the PSU and secondary alarm information of the PSU;
and the upper computer is used for storing the primary alarm information of the PSU, the primary state information of the PSU, the secondary alarm information of the PSU and the secondary state information of the PSU.
Preferably, the upper computer is further configured to graphically display the primary alarm information of the PSU, the primary status information of the PSU, the secondary alarm information of the PSU, and the secondary status information of the PSU.
Preferably, the upper computer is further configured to count the fault type of the PSU based on the primary alarm information of the PSU and the secondary alarm information of the PSU.
Preferably, the BMC is further configured to determine a fault type of the PSU based on the primary alarm information of the PSU and the secondary alarm information of the PSU.
Preferably, the monitoring DSP is further configured to send normal information indicating that the PSU is normal to the BMC when the primary alarm information of the PSU and the secondary alarm information of the PSU are not received;
the BMC is further configured to determine that the PSU does not have a fault when receiving normal information characterizing that the PSU is normal.
Preferably, the primary state information of the PSU includes input voltage information and/or input current information of the PSU, and/or PFC voltage in the PSU, and/or primary side temperature sensor information of the PSU, and/or vinwood signal information of the PSU;
the secondary state information of the PSU comprises output voltage information of the PSU and/or output current information of the PSU and/or fan fault information of the PSU and/or fan rotating speed information of the PSU and/or secondary side temperature sensor information of the PSU and/or PG signal information of the PSU and/or ALERT signal information of the PSU.
In order to solve the technical problem, the invention further provides a PSU system, which comprises a PSU and the PSU fault diagnosis system.
The invention discloses a PSU fault diagnosis system and a PSU system. In the system, the primary DSP detects primary state information of the PSU besides primary alarm information of the PSU, the secondary DSP detects secondary state information of the PSU besides secondary alarm information of the PSU, the storage module stores the primary alarm information of the PSU, the primary state information of the PSU, the secondary alarm information of the PSU and the secondary state information of the PSU, and the BMC reads the primary alarm information of the PSU and the secondary alarm information of the PSU in the storage module through the secondary DSP to diagnose faults.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed in the prior art and the embodiments 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 to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a PSU fault diagnosis system provided in the present application;
FIG. 2 is a schematic structural diagram of another PSU fault diagnosis system provided by the present application;
fig. 3 is a software flowchart of a PSU fault diagnosis system provided in the present application;
fig. 4 is a schematic structural diagram of another PSU fault diagnosis system provided in the present application;
fig. 5 is a display result diagram of a PSU fault diagnosis system provided in the present application.
Detailed Description
The core of the invention is to provide a PSU fault diagnosis system and a PSU system, which realize the reproduction of the working state of the PSU before the occurrence of the fault and are convenient for accurately positioning, analyzing and diagnosing the fault of the PSU.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a PSU fault diagnosis system provided in the present application.
The invention provides a PSU fault diagnosis system, which comprises:
the primary DSP1 is used for detecting primary alarm information of the PSU and primary state information of the PSU;
the secondary DSP2 is used for detecting secondary alarm information of the PSU and secondary state information of the PSU;
the storage module 4 is used for storing primary alarm information of the PSU, primary state information of the PSU, secondary alarm information of the PSU and secondary state information of the PSU;
and the BMC3 is used for reading the primary alarm information of the PSU and the secondary alarm information of the PSU in the storage module 4 through the secondary DSP 2.
The existing PSU fault diagnosis system cannot know the working state of the PSU before the fault occurs, and is not beneficial to accurately positioning and analyzing the fault of the PSU. The fault of the PSU mainly includes warning information of the PSU, input voltage information of the PSU, input current information of the PSU, PFC (Power Factor Correction) voltage information of the PSU, output current information of the PSU, fan speed information of the PSU, board information of the PSU, heat sink temperature information of the PSU, and other information, as well as key signal information.
In order to solve the above technical problem, the PSU fault diagnosis system in the present application includes a primary DSP1, a secondary DSP2, a storage module 4, and a BMC3. The primary DSP1 detects primary alarm information of the PSU and primary state information of the PSU. The secondary DSP2 detects secondary alarm information of the PSU and secondary status information of the PSU. The storage module 4 stores primary alarm information of the PSU, primary status information of the PSU, secondary alarm information of the PSU, and secondary status information of the PSU. The BMC3 reads the primary alarm information of the PSU and the secondary alarm information of the PSU in the storage module 4 through the secondary DSP 2. In the system, the primary DSP1 detects primary state information of the PSU besides primary alarm information of the PSU, the secondary DSP2 detects secondary state information of the PSU besides secondary alarm information of the PSU, and when the PSU fails, the working state of the PSU before the failure occurs can be known only by calling the primary alarm information of the PSU, the primary state information of the PSU, the secondary alarm information of the PSU and the secondary state information of the PSU in the storage module 4, so that the PSU with abnormal working state can be subjected to corresponding failure diagnosis processing.
Further, primary alarm information of the PSU and primary status information of the PSU may be transmitted to the storage module 4 by the primary DSP1, and secondary alarm information of the PSU and secondary status information of the PSU may be transmitted to the storage module 4 by the secondary DSP 2. The primary alarm information of the PSU and the primary status information of the PSU may also be sent from the primary DSP1 to the secondary DSP2, and the secondary DSP2 sends the primary alarm information of the PSU, the primary status information of the PSU, the secondary alarm information of the PSU, and the secondary status information of the PSU to the storage module 4, which is not particularly limited herein.
In addition, when the primary DSP1 detects the primary alarm information of the PSU, it may start its own protection mechanism, and when the secondary DSP2 detects the secondary alarm information of the PSU or receives the primary alarm information of the PSU sent by the primary DSP1, it may start its own protection mechanism, which is not limited in this application.
The primary alarm information of the PSU may include Input overvoltage information Input OVP of the PSU or Input undervoltage information Input UVP of the PSU and/or PFC overvoltage information PFC OVP of the PSU or PFC undervoltage information PFC UVP of the PSU; the secondary alarm information of the PSU may include Output overvoltage information Output OVP of the PSU, output undervoltage information Output UVP of the PSU, and/or Output overcurrent information Output OCP of the PSU, which is not particularly limited herein.
The storage module 4 may be a black box 41 or an upper computer 42, and the application is not limited in particular.
The primary DSP1 and the secondary DSP2 may communicate via a UART (Universal Asynchronous Receiver/Transmitter) interface, or may communicate in other manners, which is not limited herein. The secondary DSP2 and the BMC3 can be connected through I 2 The PMBus (Power Management Bus) function bit of the C (Inter-Integrated Circuit) performs communication, but may also perform communication in other manners, and the present application is not limited thereto.
When the PSU reads the primary alarm information of the PSU and the secondary alarm information of the PSU, a protection mechanism of the PSU itself is started to control the server to shut down, which is not particularly limited herein.
In conclusion, the PSU fault diagnosis system realizes the recurrence of the working state of the PSU before the fault occurs, so that the fault can be quickly found and positioned based on the primary alarm information of the PSU, the primary state information of the PSU, the secondary alarm information of the PSU and the secondary state information of the PSU, the fault finding and removing are facilitated, and the reliability of the server can be improved.
On the basis of the above-described embodiment:
referring to fig. 2, fig. 2 is a schematic structural diagram of another PSU fault diagnosis system provided in the present application.
As a preferred embodiment, the method further comprises the following steps:
the monitoring DSP5 is arranged between the primary DSP1 and the storage module 4 and between the secondary DSP2 and the storage module 4, and is used for receiving and sending primary alarm information of the PSU and primary state information of the PSU sent by the primary DSP1, secondary alarm information of the PSU and secondary state information of the PSU sent by the secondary DSP2 to the storage module 4;
the storage module 4 is specifically configured to store primary alarm information of the PSU, primary state information of the PSU, secondary alarm information of the PSU, and secondary state information of the PSU;
the BMC3 is specifically configured to read primary alarm information of the PSU and secondary alarm information of the PSU in the storage module 4 through the monitoring DSP 5.
Considering that the primary DSP1 and the secondary DSP2 need to perform other control tasks of the PSU and have a limited number of I/O ports in addition to detecting the primary alarm information of the PSU and the secondary alarm information of the PSU, in this embodiment, the monitoring DSP5 receives and transmits the primary alarm information of the PSU and the primary status information of the PSU transmitted by the primary DSP1 and the secondary alarm information of the PSU and the secondary status information of the PSU transmitted by the secondary DSP2 to the storage module 4. The storage module 4 stores primary alarm information of the PSU, primary status information of the PSU, secondary alarm information of the PSU, and secondary status information of the PSU. The BMC3 reads the primary alarm information of the PSU and the secondary alarm information of the PSU in the storage module 4 through the monitoring DSP 5. When the PSU fails, the operating state of the PSU before the failure occurs can be known only by calling the primary alarm information of the PSU, the primary state information of the PSU, the secondary alarm information of the PSU, and the secondary state information of the PSU in the storage module 4, so as to perform failure diagnosis.
In addition, the primary DSP1 and the monitor DSP5 may communicate through a UART interface, and the secondary DSP2 and the monitor DSP5 may communicate through the UART interface, which, of course, may also communicate in other manners, and the application is not limited herein. The monitoring DSP5 and the BMC3 can pass through I 2 C, although communication may be performed in other manners, the present application is not limited thereto.
Referring to fig. 3, fig. 3 is a software flowchart of a PSU fault diagnosis system provided in the present application.
The primary DSP1 can detect whether primary alarm information of the PSU exists, if so, the primary alarm information of the PSU is sent to the monitoring DSP5, and the monitoring DSP5 stores the primary alarm information of the PSU into the storage module 4; the secondary DSP2 may detect whether the secondary warning information of the PSU exists, and if so, send the secondary warning information of the PSU to the monitoring DSP5, and the monitoring DSP5 stores the secondary warning information of the PSU in the storage module 4.
As a preferred embodiment, the sending the primary alarm information of the PSU and the primary status information of the PSU sent by the primary DSP1 and the secondary alarm information of the PSU and the secondary status information of the PSU sent by the secondary DSP2 to the storage module 4 includes:
and transmitting the primary alarm information and the primary state information of the PSU transmitted by the primary DSP1 and the secondary alarm information and the secondary state information of the PSU transmitted by the secondary DSP2 to the storage module 4 in real time.
Considering that the BMC3 can only periodically read the primary alarm information of the PSU and the secondary alarm information of the PSU in the storage module 4, and when the PSU fails, the BMC3 may not necessarily read the primary alarm information of the PSU and the secondary alarm information of the PSU in time, which may result in failure diagnosis of the PSU, in this embodiment, the primary alarm information of the PSU and the primary status information of the PSU sent by the primary DSP1, and the secondary alarm information of the PSU and the secondary status information of the PSU sent by the secondary DSP2 are sent to the storage module 4 in real time, and when the PSU fails, the operating state of the PSU before the failure occurs can be known in real time by only calling the primary alarm information of the PSU, the primary status information of the PSU, the secondary alarm information of the PSU, and the secondary status information of the PSU in the storage module 4, so as to diagnose the PSU in time.
Referring to fig. 4, fig. 4 is a schematic structural diagram of another PSU fault diagnosis system provided in the present application.
As a preferred embodiment, the storage module 4 includes:
a black box 41 for storing primary alarm information of the PSU and secondary alarm information of the PSU;
and the upper computer 42 is used for storing the primary alarm information of the PSU, the primary state information of the PSU, the secondary alarm information of the PSU and the secondary state information of the PSU.
In this embodiment, the storage module 4 may include a black box 41 and an upper computer 42. The black box 41 stores primary alarm information of the PSU and secondary alarm information of the PSU, and the primary alarm information of the PSU and the secondary alarm information of the PSU stored in the black box 41 can be read by the BMC3.
The upper computer 42 stores primary alarm information of the PSU, primary state information of the PSU, secondary alarm information of the PSU and secondary state information of the PSU, when the PSU fails, the primary alarm information of the PSU, the primary state information of the PSU, the secondary alarm information of the PSU and the secondary state information of the PSU, which are stored in the upper computer 42, are only needed to be called, so that the working state of the PSU before the failure occurs can be reproduced, and the PSU failure can be accurately positioned and analyzed.
As a preferred embodiment, the upper computer 42 is further configured to graphically display the primary alarm information of the PSU, the primary status information of the PSU, the secondary alarm information of the PSU, and the secondary status information of the PSU.
In order to intuitively display the working state of the PSU before the occurrence of the fault, in this embodiment, the upper computer 42 graphically displays the primary alarm information of the PSU, the primary state information of the PSU, the secondary alarm information of the PSU, and the secondary state information of the PSU, so that the reproduction of the working state of the PSU before the occurrence of the fault is realized, and the fault diagnosis of the PSU is facilitated.
For example, when the PSU fails, the upper computer 42 may query the PSU warning information before the PSU fails, the PSU input voltage information, the PSU input current information, the PSU PFC voltage information, the PSU output current information, the PSU fan speed information, the PSU board information, the PSU heat sink temperature information, and other information, and key signal information, and may perform real-time graphic printing on the above information.
Referring to fig. 5, fig. 5 is a display result diagram of a PSU fault diagnosis system provided in the present application.
CH2 VBULK represents bus voltage information, CH3 RELAY represents RELAY signal information, CH4ACOK represents input state information, CH5 PFCOK represents bus state information, CH6 Vout represents output voltage information, CH7Iout represents output current information, CH8 DCDCEN represents DCDC enable information, and CH9 vsbouut represents auxiliary supply voltage information. When the CH4ACOK input status information changes from high level to low level, the CH5 PFCOK bus status information, the CH6 Vout output voltage information, the CH7Iout output current information, and the CH8 dcdcentdcc enable information also sequentially change from high level to low level, so that the operating state of the PSU can be known in real time through a picture displayed by the upper computer 42.
In a preferred embodiment, the upper computer 42 is further configured to count the fault types of the PSUs based on the primary alarm information of the PSUs and the secondary alarm information of the PSUs.
In a preferred embodiment, in order to realize continuous improvement of the PSU, the upper computer 42 may perform statistics on the fault types of the PSU based on the primary alarm information of the PSU and the secondary alarm information of the PSU, and record the fault types of the PSU through big data, so as to facilitate engineers to know the fault types that frequently occur in the PSU, so as to perform targeted fault diagnosis processing, thereby realizing continuous improvement of the PSU.
As a preferred embodiment, the BMC3 is further configured to determine a fault type of the PSU based on the primary alarm information of the PSU and the secondary alarm information of the PSU.
In this embodiment, the BMC3 may determine the fault type of the PSU based on the primary alarm information of the PSU and the secondary alarm information of the PSU, and may perform fault diagnosis on the PSU based on the fault type of the PSU.
For example, when the input voltage of the PSU is over-voltage, the primary alarm information of the PSU is 01, and the bmc3 identifies the primary alarm information 01 to determine that the fault type of the PSU is the input voltage of the PSU.
When the output of the PSU is over-voltage, the secondary alarm information of the PSU is 02, and the bmc3 recognizes the secondary alarm information 02 to determine that the fault type of the PSU is the output over-voltage of the PSU.
As a preferred embodiment, the monitoring DSP5 is further configured to send normal information indicating that the PSU is normal to the BMC3 when the primary alarm information of the PSU and the secondary alarm information of the PSU are not received;
the BMC3 is also configured to determine that the PSU does not have a fault when receiving normal information characterizing that the PSU is normal.
In this embodiment, the monitoring DSP5 sends normal information representing that the PSU is normal to the BMC3 when not receiving the primary alarm information of the PSU and the secondary alarm information of the PSU. The BMC3 determines that the PSU has no fault when receiving normal information representing the normal state of the PSU, and realizes real-time fault monitoring of the PSU.
For example, when the primary alarm information of the PSU and the secondary alarm information of the PSU are not received, the monitoring DSP5 sends normal information 00 representing that the PSU is normal to the BMC3, and the BMC3 may identify the normal information 00 representing that the PSU is normal to determine that the PSU has no fault.
As a preferred embodiment, the primary state information of the PSU includes input voltage information and/or input current information of the PSU and/or PFC voltage in the PSU and/or primary side temperature sensor information of the PSU and/or vinwood signal information of the PSU;
the secondary status information of the PSU includes output voltage information of the PSU and/or output current information of the PSU and/or fan failure information of the PSU and/or fan speed information of the PSU and/or secondary side temperature sensor information of the PSU and/or PG signal information of the PSU and/or ALERT signal information of the PSU.
In this embodiment, the primary state information of the PSU includes Input Voltage information and/or Input current information Input current of the PSU and/or PFC Voltage information in the PSU and/or primary side temperature sensor information Pri temperature sensor of the PSU and/or vital signal information of the PSU;
the secondary state information of the PSU includes Output Voltage information of the PSU and/or Output current information of the PSU, and/or Fan Fault information Fan Fault of the PSU and/or Fan Speed information Fan Speed of the PSU and/or secondary side temperature sensor information Sec temperature sensor of the PSU and/or PG signal information of the PSU and/or ALERT signal information of the PSU.
In addition, the primary DSP1 may transmit the primary status information of the PSU to the monitoring DSP5, and the secondary DSP2 may transmit the secondary status information of the PSU to the monitoring DSP5, which is not particularly limited herein.
The invention also provides a PSU system, which comprises the PSU and the PSU fault diagnosis system.
For more contents of the operating principle and the operating mode of the PSU system, reference may be made to the description of the above embodiments, which are not repeated herein.
It should be noted that, in the present specification, relational terms such as first and second, and the like are used only for distinguishing one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. 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 phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A PSU fault diagnosis system, comprising:
the primary DSP is used for detecting primary alarm information of the PSU and primary state information of the PSU;
the secondary DSP is used for detecting secondary alarm information of the PSU and secondary state information of the PSU;
the storage module is used for storing the primary alarm information of the PSU, the primary state information of the PSU, the secondary alarm information of the PSU and the secondary state information of the PSU;
the BMC is used for reading the primary alarm information of the PSU and the secondary alarm information of the PSU in the storage module through the secondary DSP;
further comprising:
the monitoring DSP is arranged between the primary DSP and the storage module and between the secondary DSP and the storage module and is used for receiving and sending primary alarm information of the PSU and primary state information of the PSU sent by the primary DSP and secondary alarm information of the PSU and secondary state information of the PSU sent by the secondary DSP to the storage module;
the storage module is specifically configured to store primary alarm information of the PSU, primary status information of the PSU, secondary alarm information of the PSU, and secondary status information of the PSU;
the BMC is specifically configured to read the primary alarm information of the PSU and the secondary alarm information of the PSU in the storage module through the monitoring DSP.
2. The PSU fault diagnosis system of claim 1 wherein said sending primary alarm information for said PSU and primary status information for said PSU sent by said primary DSP and secondary alarm information for said PSU and secondary status information for said PSU sent by said secondary DSP to said storage module comprises:
and sending the primary alarm information of the PSU and the primary state information of the PSU sent by the primary DSP and the secondary alarm information of the PSU and the secondary state information of the PSU sent by the secondary DSP to the storage module in real time.
3. The PSU fault diagnostic system of claim 1, wherein said storage module comprises:
a black box for storing primary alarm information of the PSU and secondary alarm information of the PSU;
and the upper computer is used for storing the primary alarm information of the PSU, the primary state information of the PSU, the secondary alarm information of the PSU and the secondary state information of the PSU.
4. The PSU fault diagnosis system of claim 3, wherein the host computer is further configured to graphically display the primary alarm information of the PSU, the primary status information of the PSU, the secondary alarm information of the PSU, and the secondary status information of the PSU.
5. The PSU fault diagnosis system of claim 4, wherein the host computer is further configured to count fault types of the PSUs based on primary alarm information of the PSUs and secondary alarm information of the PSUs.
6. The PSU fault diagnostic system of claim 3, wherein the BMC is further configured to determine a fault type of the PSU based on the primary alarm information of the PSU and the secondary alarm information of the PSU.
7. The PSU fault diagnosis system of claim 1 wherein the monitor DSP is further configured to send a normal message to the BMC indicating that the PSU is normal when the primary alarm message of the PSU and the secondary alarm message of the PSU are not received;
the BMC is further configured to determine that the PSU does not have a fault when receiving normal information characterizing that the PSU is normal.
8. A PSU fault diagnosis system according to any of claims 1 to 7, characterized in that the primary status information of the PSU comprises input voltage information and/or input current information of the PSU and/or PFC voltage in the PSU and/or primary side temperature sensor information of the PSU and/or Vingiod signal information of the PSU;
the secondary state information of the PSU comprises output voltage information of the PSU and/or output current information of the PSU and/or fan fault information of the PSU and/or fan rotating speed information of the PSU and/or secondary side temperature sensor information of the PSU and/or PG signal information of the PSU and/or ALERT signal information of the PSU.
9. A PSU system comprising a PSU and further comprising a PSU fault diagnosis system according to any of claims 1-8.
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