CN216900857U - VPX power supply health management system and VPX power supply - Google Patents
VPX power supply health management system and VPX power supply Download PDFInfo
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- CN216900857U CN216900857U CN202123336569.XU CN202123336569U CN216900857U CN 216900857 U CN216900857 U CN 216900857U CN 202123336569 U CN202123336569 U CN 202123336569U CN 216900857 U CN216900857 U CN 216900857U
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Abstract
The utility model provides a VPX power supply and a health management system thereof, wherein the circuit comprises: the enabling control module is used for outputting a corresponding enabling signal according to a triggering signal output by an external power supply load; the data acquisition module is used for detecting voltage information and current information output by the VPX power supply; the microcontroller is used for controlling the VPX power supply to turn on or turn off a corresponding output end according to the enabling signal output by the enabling control module and is also used for obtaining the health state information of the VPX power supply; the fault trigger module is used for sending a corresponding fault trigger signal to the external control circuit when receiving a fault signal sent by the microcontroller; the IIC communication module is used for reporting the health state information sent by the microcontroller to the external terminal; the problem of lack among the prior art monitor and control VPX power supply inside is solved, make the staff in time and accurate grasp the health status information of VPX power supply in the use.
Description
Technical Field
The utility model relates to the technical field of power supply monitoring, in particular to a health management system of a VPX power supply and the VPX power supply.
Background
The VPX specification is the latest international military embedded computer specification with the best compatibility at present, supports the 3U and 6U module forms, adopts a brand-new 7-row pin array high-speed connector to support the transmission speed of up to 6.25Gbps, supports a Fabric switching type serial interconnection system, supports PMC and XMC expansion card specifications, and supports various modules of VME64, VXS and VPX through a mixed-form bottom plate; the VPX power supply based on the specification still uses the sizes of 3U and 6U of Eurka structurally, is mainly suitable for equipment power supply of a communication system and the field of military industry, improves the power supply capacity of the VPX bus, can provide 115W power at the maximum of 5V, provides 384W at 12V and provides 768W at 48V.
At present, in the field of VPX power supplies, monitoring and control on the internal state of the power supply are lacked, so that information such as input voltage, input current, output voltage and output current of the power supply cannot be accurately mastered in the using process of the power supply.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the health management system of the VPX power supply and the VPX power supply provided by the utility model solve the problem that the interior of the VPX power supply is lack of monitoring and control in the prior art, the voltage information and the current information of the VPX power supply are collected through the data collection module, so that the microcontroller obtains the current health state of the VPX power supply, and the current health state is reported to an external terminal through the IIC communication module, so that a worker can timely and accurately master the health state information of the VPX power supply in the using process.
In a first aspect, the present invention provides a health management system for a VPX power supply, the system comprising: the system comprises an enabling control module, a data acquisition module, a fault trigger module, an IIC communication module and a microcontroller; the input end of the enabling control module is connected with a trigger end of an external power supply load when in use and is used for outputting a corresponding enabling signal according to a trigger signal output by the external power supply load; the data acquisition end of the data acquisition module is connected with the VPX power supply and is used for detecting voltage information and current information output by the VPX power supply; the microcontroller is connected with a VPX power supply when in use, is also respectively connected with the output end of the enabling control module, the output end of the data acquisition module and the input end of the fault trigger module, is used for controlling the VPX power supply to open or close the corresponding output end according to an enabling signal output by the enabling control module, and is also used for obtaining the health state information of the VPX power supply according to the voltage information or/and the current information output by the data acquisition module; the output end of the fault trigger module is connected with an external control circuit when in use and is used for sending a corresponding fault trigger signal to the external control circuit when receiving a fault signal sent by the microcontroller so as to enable the external control circuit to carry out fault repair according to the fault trigger signal; the first end of the IIC communication module is connected with the microcontroller, and the second end of the IIC communication module is connected with an external terminal when in use and used for reporting the health state information sent by the microcontroller to the external terminal.
Optionally, the system further comprises: the detection end of the address detection module is connected with the address end of the VPX power supply when in use, and the output end of the address detection module is connected with the microcontroller and used for detecting the physical address information of the VPX power supply, so that the microcontroller identifies the identity of the VPX power supply according to the physical address information.
Optionally, the system further comprises: the output end of the temperature detection module is connected with the microcontroller and is used for detecting temperature information in the VPX power supply in real time; the input end of the power conversion module is connected with the output end of an external power supply when in use, and the output end of the power conversion module is respectively connected with the microcontroller, the enabling control module, the fault trigger module and the IIC communication module and used for converting the original voltage output by the external power supply into a target voltage.
Optionally, the enabling control module comprises: the circuit comprises a first resistor, a second resistor, a third resistor and a fourth resistor; the first end of the first resistor is connected with the output end of the power supply conversion module, the second end of the first resistor is connected with the first trigger end of the external power supply load when in use, the first end of the second resistor is connected with the second end of the first resistor, and the second end of the second resistor is connected with the microcontroller; the first end of the third resistor is connected with the output end of the power supply conversion module, the second end of the third resistor is connected with the second trigger end of the external power supply load when in use, the first end of the fourth resistor is connected with the second end of the third resistor, and the second end of the fourth resistor is connected with the microcontroller.
Optionally, the fault triggering module includes: a fifth resistor, a sixth resistor, an optocoupler and a seventh resistor; the first end of the fifth resistor is connected with the microcontroller, the second end of the fifth resistor is connected with the first end of the sixth resistor, and the second end of the sixth resistor is grounded; the primary side anode of the optical coupler is connected with the second end of the fifth resistor, the primary side cathode of the optical coupler is grounded, the secondary side collector of the optical coupler is connected with the external control circuit, and the secondary side emitter of the optical coupler is grounded; and the first end of the seventh resistor is connected with the output end of the power conversion module, and the second end of the seventh resistor is connected with the secondary collector of the optocoupler.
Optionally, the IIC communication module includes: an eighth resistor, a ninth resistor, a tenth resistor, and an eleventh resistor; the first end of the eighth resistor is connected with the output end of the power supply conversion module, the second end of the eighth resistor is connected with a clock signal end of the external terminal when in use, the first end of the ninth resistor is connected with the second end of the eighth resistor, and the second end of the ninth resistor is connected with the clock signal end of the microcontroller; the first end of the tenth resistor is connected with the output end of the power supply conversion module, the second end of the tenth resistor is connected with the data signal end of the external terminal when in use, the first end of the eleventh resistor is connected with the second end of the tenth resistor, and the second end of the eleventh resistor is connected with the data signal end of the microcontroller.
Optionally, the IIC communication module further includes: a first diode and a second diode; the cathode of the first diode is connected with the second end of the ninth resistor, and the anode of the first diode is grounded; and the cathode of the second diode is connected with the second end of the eleventh resistor, and the anode of the second diode is grounded.
Optionally, the power conversion module includes: the circuit comprises a voltage stabilizing chip, a first capacitor, a second capacitor and a third diode; the input end of the voltage stabilizing chip is connected with the output end of the external power supply when in use, and the output end of the voltage stabilizing chip is the output end of the power supply conversion module; the first end of the first capacitor is connected with the input end of the voltage stabilizing chip, and the second end of the first capacitor is grounded; the first end of the second capacitor is connected with the output end of the voltage stabilizing chip, and the second end of the second capacitor is grounded; and the cathode of the third diode is connected with the output end of the voltage stabilizing chip, and the anode of the third diode is grounded.
Optionally, the microcontroller comprises a single chip microcomputer of the model STM32F 103.
In a second aspect, the present invention provides a VPX power supply comprising a health management system of the VPX power supply.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the trigger signal of the external power supply load is detected by the enabling control module, so that the microcontroller controls the output of the VPX power supply to control, and thus the soft start of the VPX power supply is realized; the voltage information and the current information of the VPX power supply are acquired through the data acquisition module, so that the current health state of the VPX power supply is obtained by the microcontroller, and the current health state is reported to an external terminal through the IIC communication module, so that a worker can timely and accurately master the health state information of the VPX power supply in the using process; furthermore, if the microcontroller judges that the current health state has a fault, the corresponding fault trigger signal is sent to the external control circuit through the fault trigger module, so that the external control circuit can timely carry out fault repair, and the influence on the power supply load is reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.
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 for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a health management system of a VPX power supply according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of an enable control module according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a fault triggering module according to an embodiment of the present invention;
FIG. 4 is a circuit diagram of an IIC communication module according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a power conversion module according to an embodiment of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Like numbered functional units in the examples of the present invention have the same and similar structure and function.
Fig. 1 is a schematic structural diagram of a VPX power management system according to an embodiment of the present invention, and as shown in fig. 1, a VPX power management system 100 according to the embodiment specifically includes:
the system comprises an enabling control module 110, a data acquisition module 120, a fault trigger module 130, an IIC communication module 140 and a microcontroller 150;
the input end of the enable control module 110 is connected to the trigger end of the external power supply load 200 when in use, and is configured to output a corresponding enable signal according to the trigger signal output by the external power supply load 200;
the data acquisition end of the data acquisition module 120 is connected to the VPX power supply 300, and is configured to detect voltage information and current information output by the VPX power supply 300;
the microcontroller 150 is connected to the VPX power supply 300 when in use, and is further connected to the output terminal of the enable control module 110, the output terminal of the data acquisition module 120, and the input terminal of the fault trigger module 130, for controlling the VPX power supply 300 to turn on or turn off the corresponding output terminal according to the enable signal output by the enable control module 110, and for obtaining the health status information of the VPX power supply 300 according to the voltage information or/and the current information output by the data acquisition module 120;
the output end of the fault trigger module 130 is connected to the external control circuit 400 when in use, and is configured to send a corresponding fault trigger signal to the external control circuit 400 when receiving a fault signal sent by the microcontroller 150, so that the external control circuit 400 performs fault recovery according to the fault trigger signal;
the first end of the IIC communication module 140 is connected to the microcontroller 150, and the second end of the IIC communication module 140 is connected to the external terminal 500 when in use, and is configured to report the health status information sent by the microcontroller 150 to the external terminal 500.
The technical principle of the health management system 100 of the VPX power supply 300 provided in this embodiment is as follows: whether the current external power supply load 200 needs to be powered by the VPX power supply 300 is judged by the enable control module 110, and when a trigger signal output by the external power supply load 200 is received, the enable control module 110 outputs a corresponding enable signal to the microcontroller 150, so that the microcontroller 150 controls the VPX power supply 300 to open a corresponding output port according to the enable signal, and further the VPX power supply 300 provides electric energy for the external power supply load 200.
Further, in the present embodiment, the data acquisition module 120 monitors the voltage information and the current information output by the VPX power supply 300 in real time, where the voltage information includes an input voltage value and an output voltage value of the VPX power supply 300, and the current information includes an input current value and an output current value of the VPX power supply 300; the microcontroller 150 obtains the current health status information of the VPX power supply 300 according to the power supply information or/and the current information output by the data acquisition module 120, wherein the current health status information includes a fault and a normal, and the fault includes but is not limited to an input voltage being too high, an output voltage being too low, and an output current being too high.
Optionally, when there is a fault in the VPX power supply 300, the microcontroller 150 sends a corresponding fault signal to the fault trigger module 130, and then the fault trigger module 130 sends a corresponding fault trigger signal to the external control circuit 400, so that the external control circuit 400 performs fault recovery according to the fault trigger signal.
Further, in the present embodiment, the microcontroller 150 reports the health status information of the VPX power supply 300 to the external terminal 500 through the IIC communication module 140.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the trigger signal of the external power supply load is detected by the enabling control module, so that the microcontroller controls the output of the VPX power supply to control, and thus the soft start of the VPX power supply is realized; the voltage information and the current information of the VPX power supply are acquired through the data acquisition module, so that the current health state of the VPX power supply is obtained by the microcontroller, and the current health state is reported to an external terminal through the IIC communication module, so that a worker can timely and accurately master the health state information of the VPX power supply in the using process; furthermore, if the microcontroller judges that the current health state has a fault, the corresponding fault trigger signal is sent to the external control circuit through the fault trigger module, so that the external control circuit can timely carry out fault repair, and the influence on the power supply load is reduced.
In this embodiment, the system further includes: the detection end of the address detection module is connected with the address end of the VPX power supply when in use, and the output end of the address detection module is connected with the microcontroller and used for detecting the physical address information of the VPX power supply, so that the microcontroller identifies the identity of the VPX power supply according to the physical address information.
In this embodiment, the system further includes: the output end of the temperature detection module is connected with the microcontroller and is used for detecting temperature information in the VPX power supply in real time; the input end of the power conversion module is connected with the output end of an external power supply when in use, and the output end of the power conversion module is respectively connected with the microcontroller, the enabling control module, the fault triggering module and the IIC communication module and used for converting the original voltage output by the external power supply into the target voltage.
It should be noted that, in this embodiment, the address detection module and the data acquisition module respectively detect a physical address of the VPX power supply and detect voltage information and current information of the VPX power supply in a multi-way gating switch manner; the address detection module adopts a CD4051B chip to carry out physical address detection, and the data acquisition module adopts a CD4067B chip to carry out voltage information and current information acquisition.
Fig. 2 is a schematic circuit diagram of an enable control module according to an embodiment of the present invention, and as shown in fig. 2, the enable control module according to the embodiment includes:
a first resistor R1, a second resistor R2, a third resistor R3 and a fourth resistor R4;
a first end of the first resistor R1 is connected to an output end of the power conversion module, a second end of the first resistor R1 is connected to a first trigger end of the external power load when in use, a first end of the second resistor R2 is connected to a second end of the first resistor R1, and a second end of the second resistor R2 is connected to the microcontroller;
the first end of the third resistor R3 is connected to the output end of the power conversion module, the second end of the third resistor R3 is connected to the second trigger end of the external power load when in use, the first end of the fourth resistor R4 is connected to the second end of the third resistor R3, and the second end of the fourth resistor R4 is connected to the microcontroller.
It should be noted that, as shown in fig. 2, when the first trigger terminal and the second trigger terminal of the external power load do not send a trigger signal, the enable control module outputs two high levels to the microcontroller, and then the microcontroller does not start the VPX power supply; and if the first trigger end or/and the second trigger end of the external power supply load send/sends trigger signals to enable the enable control module to output a high level, a low level or two low levels to the microcontroller, the microcontroller controls the VPX power supply to open the corresponding output end according to the combination form of the high level, the low level and the two low levels.
Fig. 3 is a schematic circuit diagram of a fault trigger module according to an embodiment of the present invention, and as shown in fig. 3, the fault trigger module in the embodiment includes:
a fifth resistor R5, a sixth resistor R6, an optocoupler U1 and a seventh resistor R7; a first end of the fifth resistor R5 is connected with the microcontroller, a second end of the fifth resistor R5 is connected with a first end of the sixth resistor R6, and a second end of the sixth resistor R6 is grounded; a primary side anode of the optocoupler U1 is connected with a second end of the fifth resistor R5, a primary side cathode of the optocoupler U1 is grounded, a secondary side collector of the optocoupler U1 is connected with the external control circuit, and a secondary side emitter of the optocoupler U1 is grounded; the first end of the seventh resistor R7 is connected with the output end of the power conversion module, and the second end of the seventh resistor R7 is connected with the secondary collector of the optocoupler U1.
It should be noted that, when the microcontroller determines that a fault exists in the current health state, the microcontroller sends a high-level fault signal to the first end of the fifth resistor, so that the optocoupler is turned on to output a low-level signal to the external control circuit, and the external control circuit performs fault repair or sends alarm information according to the low-level signal.
Fig. 4 is a circuit schematic diagram of an IIC communication module according to an embodiment of the present invention, and as shown in fig. 4, the IIC communication module in the embodiment includes:
an eighth resistor R8, a ninth resistor R9, a tenth resistor R10 and an eleventh resistor R11; a first end of the eighth resistor R8 is connected to an output end of the power conversion module, a second end of the eighth resistor R8 is connected to a clock signal end of the external terminal when in use, a first end of the ninth resistor R9 is connected to a second end of the eighth resistor R8, and a second end of the ninth resistor R9 is connected to a clock signal end of the microcontroller; a first end of the tenth resistor R10 is connected to an output end of the power conversion module, a second end of the tenth resistor R10 is connected to a data signal end of the external terminal when in use, a first end of the eleventh resistor R11 is connected to a second end of the tenth resistor R10, and a second end of the eleventh resistor R11 is connected to a data signal end of the microcontroller.
In this embodiment, the IIC communication module further includes:
a first diode D1 and a second diode D2; the cathode of the first diode D1 is connected with the second end of the ninth resistor R9, and the anode of the first diode D1 is grounded; the cathode of the second diode D2 is connected to the second end of the eleventh resistor R1, and the anode of the second diode D2 is grounded.
It should be noted that, as shown in fig. 4, in the embodiment, two redundant IIC communication modules are adopted, and when one IIC communication module is abnormal, the microcontroller may select another IIC communication module to perform normal communication, so as to ensure the stability of data communication of the health management system; the IIC communication module in this embodiment includes a clock signal line and a data signal line, so that the microcontroller and the external terminal receive and transmit data signals through a trigger clock, and circuit protection is realized through two diodes, thereby preventing the microcontroller from being burnt out due to excessive voltage at a clock signal port or/and a data signal port of the external terminal.
Fig. 5 is a schematic circuit diagram of a power conversion module according to an embodiment of the present invention, and as shown in fig. 5, the power conversion module in the embodiment includes:
the voltage stabilizing chip U2, the first capacitor C1, the second capacitor C2 and the third diode D3;
the input end of the voltage stabilizing chip U2 is connected with the output end of the external power supply when in use, and the output end of the voltage stabilizing chip U2 is the output end of the power supply conversion module; a first end of the first capacitor C1 is connected with an input end of the voltage stabilizing chip U2, and a second end of the first capacitor C1 is grounded; a first end of the second capacitor C2 is connected with an output end of the voltage stabilizing chip U2, and a second end of the second capacitor C2 is grounded; the cathode of the third diode D3 is connected with the output end of the voltage-stabilizing chip U2, and the anode of the third diode D3 is grounded.
It should be noted that, in this embodiment, the input voltage of 5V may be converted into 3.3V by the voltage stabilizing chip, and the microcontroller, the enable control module, the fault trigger module, and the IIC communication module are supplied with electric energy.
In this embodiment, the microcontroller includes a single chip microcomputer of the model STM32F 103.
In this embodiment, the microcontroller is a core part of the health management system, and is connected to the output ends of the enable control module, the data acquisition module, and the physical address acquisition module, and the fault trigger module, the power status indication, the control of each output switch, and the upper management system. The microcontroller controls whether each output is available or not according to the truth table of the appointed corresponding output state through the level signal acquired by the enabling module. The temperature acquisition module acquires temperature information, the data acquisition module acquires real-time power input, output voltage and current states to the microcontroller, the microcontroller analyzes and judges the health condition of the power supply (unhealthy states comprise input overvoltage, input undervoltage, input overcurrent, output undervoltage, output overcurrent, output short circuit and overhigh power supply temperature) according to an enabling signal, on one hand, the health condition of the power supply is displayed by controlling a power supply state indicator lamp, on the other hand, the microcontroller is connected with a superior management system through an IIC communication line and reports a physical address of the VPX power supply (the power supply is used redundantly in a case and used for distinguishing the power supply) and voltage, current and temperature to the superior management system. If the power supply fails, the microcontroller controls the power supply state indicating lamp to display the fault color, and meanwhile, the upper management system can act correspondingly through the low level output by the fault triggering module.
In summary, the health management system of the VPX power supply provided by the present invention has the following functions: (1) reporting the double-path redundant IIC health information; (2) detecting a physical address by the multi-path gating switch and reporting; (3) the multichannel gating switch detects and reports information of input voltage, input current, output voltage and output current; (4) the output voltage of each path is controllable; (5) state detection is realized and is represented by an indicator light; (6) fault information and system control output; (7) and detecting and reporting the edge temperature of the double-board card.
In the utility model, the STM32F103 series single-chip microcomputer is used for realizing the functions, and the series single-chip microcomputer has mature process, perfect software library and cheap price, thereby having more advantages in the aspect of realization. The STM32F103 series single-chip microcomputer has mature application for reference in the aspect of circuits, has mature codes for reference in the aspect of software programming and can meet long-time testing in the aspect of use reliability. The STM32F103 series single chip microcomputer supports wide-range temperature test, meets industrial-grade environment experiment test at-40 ℃ to +85 ℃, and can meet higher environment experiment standards.
The utility model provides a VPX power supply which comprises the health management system of the VPX power supply in the embodiment.
It is noted that, in this document, 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 foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice 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 utility model. 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 (10)
1. A health management system for a VPX power supply, the system comprising:
the system comprises an enabling control module, a data acquisition module, a fault trigger module, an IIC communication module and a microcontroller;
the input end of the enabling control module is connected with a trigger end of an external power supply load when in use and is used for outputting a corresponding enabling signal according to a trigger signal output by the external power supply load;
the data acquisition end of the data acquisition module is connected with the VPX power supply and is used for detecting voltage information and current information output by the VPX power supply;
the microcontroller is connected with a VPX power supply when in use, is also respectively connected with the output end of the enabling control module, the output end of the data acquisition module and the input end of the fault trigger module, is used for controlling the VPX power supply to open or close the corresponding output end according to an enabling signal output by the enabling control module, and is also used for obtaining the health state information of the VPX power supply according to the voltage information or/and the current information output by the data acquisition module;
the output end of the fault trigger module is connected with an external control circuit when in use and is used for sending a corresponding fault trigger signal to the external control circuit when receiving a fault signal sent by the microcontroller so as to enable the external control circuit to carry out fault repair according to the fault trigger signal;
the first end of the IIC communication module is connected with the microcontroller, and the second end of the IIC communication module is connected with an external terminal when in use and used for reporting the health state information sent by the microcontroller to the external terminal.
2. The VPX power supply health management system of claim 1, further comprising:
the detection end of the address detection module is connected with the address end of the VPX power supply when in use, and the output end of the address detection module is connected with the microcontroller and used for detecting the physical address information of the VPX power supply, so that the microcontroller identifies the identity of the VPX power supply according to the physical address information.
3. The VPX power supply health management system of claim 1, further comprising:
the output end of the temperature detection module is connected with the microcontroller and is used for detecting temperature information in the VPX power supply in real time;
the input end of the power conversion module is connected with the output end of an external power supply when in use, and the output end of the power conversion module is respectively connected with the microcontroller, the enabling control module, the fault triggering module and the IIC communication module and used for converting the original voltage output by the external power supply into the target voltage.
4. The health management system of the VPX power supply of claim 3, wherein the enable control module comprises:
the circuit comprises a first resistor, a second resistor, a third resistor and a fourth resistor;
a first end of the first resistor is connected with an output end of the power conversion module, a second end of the first resistor is connected with a first trigger end of the external power load when the first resistor is used, a first end of the second resistor is connected with a second end of the first resistor, and a second end of the second resistor is connected with the microcontroller;
the first end of the third resistor is connected with the output end of the power supply conversion module, the second end of the third resistor is connected with the second trigger end of the external power supply load when in use, the first end of the fourth resistor is connected with the second end of the third resistor, and the second end of the fourth resistor is connected with the microcontroller.
5. The health management system of the VPX power supply of claim 3, wherein the fault triggering module comprises:
a fifth resistor, a sixth resistor, an optocoupler and a seventh resistor;
the first end of the fifth resistor is connected with the microcontroller, the second end of the fifth resistor is connected with the first end of the sixth resistor, and the second end of the sixth resistor is grounded;
the primary side anode of the optical coupler is connected with the second end of the fifth resistor, the primary side cathode of the optical coupler is grounded, the secondary side collector of the optical coupler is connected with the external control circuit, and the secondary side emitter of the optical coupler is grounded;
and the first end of the seventh resistor is connected with the output end of the power conversion module, and the second end of the seventh resistor is connected with the secondary collector of the optocoupler.
6. The health management system of the VPX power supply of claim 3, wherein the IIC communication module comprises:
an eighth resistor, a ninth resistor, a tenth resistor, and an eleventh resistor;
the first end of the eighth resistor is connected with the output end of the power supply conversion module, the second end of the eighth resistor is connected with a clock signal end of the external terminal when in use, the first end of the ninth resistor is connected with the second end of the eighth resistor, and the second end of the ninth resistor is connected with the clock signal end of the microcontroller;
the first end of the tenth resistor is connected with the output end of the power supply conversion module, the second end of the tenth resistor is connected with the data signal end of the external terminal when in use, the first end of the eleventh resistor is connected with the second end of the tenth resistor, and the second end of the eleventh resistor is connected with the data signal end of the microcontroller.
7. The health management system of the VPX power supply of claim 6, wherein the IIC communication module further comprises:
a first diode and a second diode;
the cathode of the first diode is connected with the second end of the ninth resistor, and the anode of the first diode is grounded; and the cathode of the second diode is connected with the second end of the eleventh resistor, and the anode of the second diode is grounded.
8. The health management system of a VPX power supply of claim 3, wherein the power conversion module comprises:
the circuit comprises a voltage stabilizing chip, a first capacitor, a second capacitor and a third diode;
the input end of the voltage stabilizing chip is connected with the output end of the external power supply when in use, and the output end of the voltage stabilizing chip is the output end of the power supply conversion module; the first end of the first capacitor is connected with the input end of the voltage stabilizing chip, and the second end of the first capacitor is grounded; the first end of the second capacitor is connected with the output end of the voltage stabilizing chip, and the second end of the second capacitor is grounded; and the cathode of the third diode is connected with the output end of the voltage stabilizing chip, and the anode of the third diode is grounded.
9. The VPX power supply health management system of claim 1, wherein the microcontroller comprises a single chip microcomputer model STM32F 103.
10. A VPX power supply, characterized in that it comprises a health management system of a VPX power supply according to any of claims 1-9.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115129136A (en) * | 2022-08-30 | 2022-09-30 | 中国电子科技集团公司第十五研究所 | Intelligence machine carries VPX power and computer |
| CN115167648A (en) * | 2022-09-08 | 2022-10-11 | 中国电子科技集团公司第十五研究所 | VPX power supply equipment |
| CN116107817A (en) * | 2023-04-10 | 2023-05-12 | 湖南博匠信息科技有限公司 | Redundant working method and system for double computing modules of VPX server |
| CN116500487A (en) * | 2023-06-25 | 2023-07-28 | 深圳市力生美半导体股份有限公司 | Fault detection system and method for switching power supply, terminal equipment and medium |
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2021
- 2021-12-28 CN CN202123336569.XU patent/CN216900857U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115129136A (en) * | 2022-08-30 | 2022-09-30 | 中国电子科技集团公司第十五研究所 | Intelligence machine carries VPX power and computer |
| CN115167648A (en) * | 2022-09-08 | 2022-10-11 | 中国电子科技集团公司第十五研究所 | VPX power supply equipment |
| CN115167648B (en) * | 2022-09-08 | 2022-12-13 | 中国电子科技集团公司第十五研究所 | VPX power supply equipment |
| CN116107817A (en) * | 2023-04-10 | 2023-05-12 | 湖南博匠信息科技有限公司 | Redundant working method and system for double computing modules of VPX server |
| CN116107817B (en) * | 2023-04-10 | 2023-06-13 | 湖南博匠信息科技有限公司 | Redundant working method and system for double computing modules of VPX server |
| CN116500487A (en) * | 2023-06-25 | 2023-07-28 | 深圳市力生美半导体股份有限公司 | Fault detection system and method for switching power supply, terminal equipment and medium |
| CN116500487B (en) * | 2023-06-25 | 2023-09-19 | 深圳市力生美半导体股份有限公司 | Fault detection system and method for switching power supply, terminal equipment and medium |
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