CN114690066A - Power supply abnormal output alarm calculation module - Google Patents
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Abstract
The invention discloses a power supply abnormal output alarm computing module, relating to the technical field of alarm and solving the technical problem of poor alarm capability. Wherein one side of the shell is provided with a wiring terminal and a power interface, the power interface is arranged on the left side of the wiring terminal, a power supply module is arranged at the center of the lower side in the shell, a PCB is arranged in the shell, the PCB is positioned above the power supply module, a storage module, a communication module, a control module, a power supply abnormity analysis module, a temperature sensor, a voltage and current monitoring module and an alarm calculation module are arranged on the upper side of the PCB, the power supply abnormity analysis module comprises an improved EMD mixed distribution algorithm model, and the alarm calculation module is provided with an EMD mixed distribution algorithm model interface; the invention improves the power supply abnormal fault output capability and greatly improves the power supply abnormal information diagnosis capability.
Description
Technical Field
The invention relates to the technical field of alarm, in particular to a power supply abnormal output alarm calculation module.
Background
Power supplies are devices that convert other forms of energy into electricity and provide the electricity to electrical circuits (electronic devices), and common power supplies are dry cell (dc) and household 110V-220V ac power supplies. More specifically, a power supply is a device that provides power to an electronic device, also known as a power supply, and provides the electrical power required by all components in the computer. The power of the power supply, and whether the current and the voltage are stable directly influence the working performance and the service life of the computer. With the development of electronic technology, in the power supply, an accident state that the power supply equipment cannot work normally is easily caused, for example, when the unit heat dissipation is not good, and the temperature is too high, the power supply can be self-ignited, and there is a certain danger. In specific application, power output is abnormal due to aging of voltage and current components inside the power supply, the voltage or current effect of the power output is affected, the service life of a power supply module is shortened, and fire can be caused in serious cases.
Disclosure of Invention
Aiming at the defects of the technology, the invention discloses a power supply abnormal output alarm calculation module, which is characterized in that a power supply interface, a control module, a power supply abnormal analysis module, a voltage and current monitoring module and an alarm calculation module are arranged; and the diagnosis of the abnormal data information of the power supply is realized, and the diagnosis capability of the abnormal information of the power supply is greatly improved.
The invention adopts the following technical scheme:
the utility model provides a power abnormal output alarm calculation module, includes the casing, the casing upside is provided with the apron, be provided with bee calling organ and pilot lamp on the apron, wherein:
one side of the shell is provided with a wiring terminal and a power interface, the power interface is arranged on the left side of the wiring terminal, a power supply module is arranged at the center of the lower side in the shell, a PCB is arranged in the shell, the PCB is positioned above the power supply module, the upper side of the PCB is provided with a storage module, a communication module, a control module, a power supply abnormity analysis module, a temperature sensor, a voltage and current monitoring module and an alarm calculation module, the control module is arranged in the center of the PCB, the storage module and the communication module are arranged above the control module in parallel, the communication module is arranged at the left side of the storage module, the power supply abnormity analysis module is arranged below the control module, the temperature sensor, the voltage and current monitoring module and the alarm computing module are sequentially arranged below the power supply abnormity analysis module from left to right, and the alarm computing module is electrically connected with the buzzer and the indicator lamp; the control module is a programmable control module, the power supply abnormity analysis module comprises an improved EMD (empirical mode decomposition) mixed distribution algorithm model, and the alarm calculation module is provided with an EMD mixed distribution algorithm model interface;
the control module is respectively connected with a wiring terminal, a power interface, a storage module, an alarm calculation module, a communication module, a power abnormity analysis module, a temperature sensor, a voltage and current monitoring module and an indicator lamp, wherein the output end of the alarm calculation module is connected with a buzzer, the buzzer displays a fault state through the indicator lamp, and the alarm calculation module is also provided with an EMD mixed distribution algorithm model interface; the power supply abnormal output is performed when the indicator light is red, and the power supply normal output is performed when the indicator light is green.
As a further technical scheme, the control module comprises an STM32F103RCT6 single chip microcomputer module, the STM32F103RCT6 single chip microcomputer module is provided with an alternating current data acquisition module and a direct current data acquisition module, the STM32F103RCT6 single chip microcomputer module is further connected with an FPGA unit, and the FPGA unit is provided with a switching value input interface and a switching value output interface.
As a further technical scheme of the invention, the alarm calculation module realizes alarm control through an STM8L151K4T6 singlechip,
as a further technical scheme of the invention, the power supply abnormity analysis module realizes the control of abnormal data information through an AT91RM9200 control chip.
As a further technical scheme, the shell is provided with mounting columns, mounting seats, mounting holes and radiating holes, the mounting columns are arranged on the lower side inside the shell, the upper ends of the mounting columns are provided with PCBs, the mounting seats are symmetrically arranged on two sides of the shell, the mounting holes are oppositely arranged on the mounting seats, and the radiating holes are arranged on the side face of the shell.
As a further technical scheme of the invention, the indicator lamps are a red LED indicator lamp and a yellow LED indicator lamp.
As a further technical scheme of the invention, an interface is arranged on the wiring terminal, and the interface is a Micro USB interface, a Type-C interface or a Lighting interface.
As a further technical scheme of the invention, the communication module is a wireless communication module based on a YB30-SI4432 chip.
As a further technical solution of the present invention, the alarm calculation module is a threshold comparison module; the comparison method comprises amplifying a 5-10kHz high-frequency sinusoidal signal with power of 800-1000VA, outputting a 5-10kHz alternating current signal through a transformer, processing the alternating current signal by a current sampling mutual inductor, combining 0.01A, 1A, 10A, 100A and 600A through different windings by the mutual inductor, finally outputting 20mA current to an amplifier for error feedback, realizing direct current output through rectification filtering, wherein an effective value of the alternating current before the rectification filtering is equal to an effective value of the direct current after the rectification filtering, performing output alternating current, feedback alternating current and output direct current according to a ratio of 1: n, wherein n is more than 2, comparing the detected signal by setting a 0-5V direct current voltage reference, comparing the output information through a 0P-07 operational amplifier module, when the input analog quantity is compared with a standard value of the operational amplifier comparator, when the output value is inconsistent with the reference value, the processor automatically corrects the output value, the expected output value is reached, no fault data exists, the indicator lamp displays green, and when the output value is inconsistent with the reference value, the fault data exists, and the indicator lamp displays red.
As a further technical scheme of the invention, the improved EMD mixed distribution algorithm model realizes the calculation of abnormal power supply data information by constructing an improved EMD mixed distribution algorithm function;
the functional expression is:
in the formula (1), the reaction mixture is,
which is a function of the output signal of the power supply,
a summary of the simulated fault power supply output data is presented,
indicating power output normal data;
indicates the number of normal data output by the power supply,
a sequence representing normal data output by the power supply;
reflecting the maximum allowable fault information function of the power output according to the average value of the theoretical value and the actual value:
in the formula (2), the reaction mixture is,
represents the maximum allowable fault output of the power supply output,
indicating that the power supply output is rated to withstand fault data,
indicating the minimum bearing load of the power output;
then combining the formula (1) and the formula (2), the maximum fault information output quantity of the power supply output is converted into a signal function, namely:
in the formula (3), the reaction mixture is,
a function representing a maximum fault signal output by the power supply; converting into recognizable first-order input signals in an algorithm programming mode:
in the formula (4), the reaction mixture is,
a first order signal that represents an algorithm's programming recognition,
representing simulated input data that satisfies the EMD algorithm conditions,
power supply abnormality information analog data components representing successful programming;
then will be
And comparing with the set fault alarm threshold information.
The fault alarm threshold comprises a current abnormity threshold, a voltage abnormity threshold, a ripple abnormity threshold and a load abnormity threshold, wherein the EMD mixed distribution algorithm model interface realizes EMD mixed distribution algorithm model data information output through PLC control programming.
The invention has the following positive beneficial effects:
according to the power supply abnormal output alarm calculation module, the cover plate is arranged on the upper side of the shell, the buzzer and the indicator lamp are arranged on the cover plate, and the wiring terminal and the power supply interface are arranged on one side of the shell, so that output data abnormal diagnosis of other power supply system information can be realized. In the working process, power data information is extracted in a direct current or alternating current collecting mode, the power data information is sensed through a temperature sensor, a voltage and current monitoring module and the like, under the action of a control module, calculation and abnormal alarming of the data information are achieved through an alarming calculation module, the control module is arranged in the center of a PCB, the power abnormal analysis module analyzes the collected power abnormal data information through an improved EMD mixed distribution algorithm model, alarming of different data information is achieved through the alarming calculation module by the analyzed data information, and diagnosis of fault information is achieved through an indicator lamp.
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 some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive exercise, wherein:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of another embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a cross-sectional view of one form of the invention;
FIG. 5 is a schematic diagram of the circuit of the present invention;
FIG. 6 is a schematic diagram of a control module architecture according to the present invention;
FIG. 7 is a schematic diagram of a DC power information collection module according to the present invention;
the labels in the figure are:
1-a shell; 2-cover plate; 3-a buzzer; 4-an indicator light; 5-a wiring terminal; 6-power interface; 7-a PCB board; 8-a storage module; 9-a communication module; 10-a control module; 11-power supply abnormity analysis module; 12-a temperature sensor; 13-a voltage current monitoring module; 14-an alarm calculation module; 101-a mounting post; 102-a mount; 103-mounting holes; 104-Heat sink.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, and it should be understood that the embodiments described herein are merely for the purpose of illustrating and explaining the present invention and are not intended to limit the present invention.
As shown in fig. 1-5, a power supply abnormal output alarm calculation module comprises a housing 1, a cover plate 2 is arranged on the upper side of the housing 1, a buzzer 3 and an indicator lamp 4 are arranged on the cover plate 2, a connection terminal 5 and a power interface 6 are arranged on one side of the housing 1, the power interface 6 is arranged on the left side of the connection terminal 5, a power supply module 15 is arranged at the center of the lower side in the housing 1, a PCB 7 is arranged in the housing 1, the PCB 7 is positioned above the power supply module 15, a storage module 8, a communication module 9, a control module 10, a power supply abnormal analysis module 11, a temperature sensor 12, a voltage and current monitoring module 13 and an alarm calculation module 14 are arranged on the upper side of the PCB 7, the control module 10 is arranged in the center of the PCB 7, and the storage module 8 and the communication module 9 are arranged above the control module 10 in parallel, the communication module 9 is arranged on the left side of the storage module 8, the power supply abnormity analysis module 11 is arranged below the control module 10, the temperature sensor 12, the voltage and current monitoring module 13 and the alarm calculation module 14 are sequentially arranged below the power supply abnormity analysis module 11 from left to right, and the alarm calculation module 14 is electrically connected with the buzzer 3 and the indicator lamp 4; the control module 10 is a programmable control module, the power supply abnormality analysis module 11 includes an improved EMD hybrid distribution algorithm model, and the alarm calculation module 14 is provided with an EMD hybrid distribution algorithm model interface;
the control module 10 is respectively connected with the wiring terminal 5, the power interface 6, the storage module 8, the alarm calculation module 14, the communication module 9, the power abnormity analysis module 11, the temperature sensor 12, the voltage and current monitoring module 13 and the indicator lamp 4, wherein the output end of the alarm calculation module 14 is connected with the buzzer 3, the buzzer 3 displays a fault state through the indicator lamp 4, and the alarm calculation module 14 is also provided with an EMD mixed distribution algorithm model interface; wherein, the power supply abnormal output is provided when the indicator light 4 is red, and the power supply normal output is provided when the indicator light 4 is green.
In the above embodiment, as shown in fig. 6 and 7, the control module 10 includes an STM32F103RCT6 single chip microcomputer module, the STM32F103RCT6 single chip microcomputer module is provided with an alternating current data acquisition module and a direct current data acquisition module, the STM32F103RCT6 single chip microcomputer module is further connected with an FPGA unit, and the FPGA unit is provided with a switching value input interface and a switching value output interface.
At the power data information output end, the input information passes through a voltage transformer, and is converted from large voltage into small voltage, and the input information passes through a current transformer, and is converted from large current into small current, in a specific embodiment, 380V high voltage in a power data information system is converted into a small signal with 10V voltage. The converted small voltage and current signals are sent to an A/D conversion unit. In this study, the a/D conversion unit is an ADS8364 based sampling circuit. The A/D conversion unit inputs the converted digital information to the STM32F103RCT6 singlechip module. The STM32F103RCT6 singlechip module is a 32-bit bus based on TMS320VC 33. The chip has the data processing speed of 75MIPS, can effectively perform data processing on data after A/D analog-to-digital conversion, effectively calculates various data in a power supply data information system, and effectively transmits the calculated power supply data information.
In the embodiment, the alarm calculation module 14 realizes alarm control through the STM8L151K4T6 single chip microcomputer, and in the control module, the alarm has a low-power-consumption standby function, the standby current of the minimum system is only 1-2 microamperes when the minimum system works, and the STM32F103RCT6 single chip microcomputer is adopted as a core processing chip in consideration of the standby power consumption problem and circuit simplification. The maximum clock frequency is 72MHz, the RAM size is 32768B, the FLASH memory capacity is 262144B, the pin number is 64, 51 high-speed input and output ports are provided, the working voltage is DC 2V-DC3.6V, and the working temperature is-40-85 ℃.
In the above embodiment, the power supply abnormality analysis module 11 implements the abnormal data information control through the AT91RM9200 control chip.
In the above embodiment, the ARM9 control module is a control chip based on AT91RM9200, the operating frequency is 180MHz, the operating speed is 200MIPS, and the calculation result of the power supply data information system data can be stored and transmitted, and the result is displayed. In other specific embodiments, an FPGA control module is adopted, the adopted model is XC2S-200, a system gate with the capacity of 200K is adopted, the system speed exceeds 200MHz, and the logic gate control function can be effectively realized. Through the detection module, the frequency, the effective voltage value, the effective current value, the harmonic voltage, the harmonic current, the voltage unbalance, the current unbalance, the flicker, the power and the power factor and 2-68 harmonic signals in the power supply data information system can be measured in real time. And finally, transmitting the measured signal to an upper computer through an Ethernet, an RS485 network or a wireless GPRS network, and further processing the signal on the upper computer.
In a specific embodiment, the alarm computing module is fixed and protected by the housing 1, the alarm computing module is packaged by the cover plate 2, the alarm computing module is powered by the power module 15, the alarm computing module is powered by the power interface 6 and is charged by the power module, a charger circuit is connected to the alarm computing module by the connecting terminal 5, real-time monitoring is performed by the voltage and current monitoring module 13 to obtain monitoring data, the monitoring data is analyzed by the power abnormality analysis module 11 to obtain an analysis result, state data is stored by the storage module 8, an abnormal accident occurring in the alarm computing module is transmitted by the communication module 9, each part of the alarm computing module is controlled by the control module 10, and the charger temperature is detected by the temperature sensor 12, alarm signal is transmitted through the alarm calculation module 14, the buzzer 3 and the indicator lamp 4 are controlled to give an alarm, the buzzer 3 gives a buzzer alarm, and the indicator lamp 4 gives a light flicker alarm.
In the invention, the shell 1 is provided with a mounting column 101, a mounting seat 102, mounting holes 103 and a heat dissipation port 104, the mounting column 101 is arranged at the lower side in the shell 1, the upper end of the mounting column 101 is provided with the PCB 7, the mounting seats 102 are symmetrically arranged at two sides of the shell 1, the mounting holes 103 are oppositely arranged on the mounting seat 102, and the heat dissipation port 104 is arranged at the side surface of the shell 1.
In a specific embodiment, the mounting post 101 is used for mounting and fixing the PCB 7, the mounting seat 102 and the mounting hole 103 are used for mounting and fixing the alarm calculation module on the charger, the heat generated inside the alarm calculation module can be discharged through the heat dissipation opening 104, and the internal environment of the alarm calculation module can be the same as the environment of the charger, so that the accuracy of measurement of the temperature sensor 12 is ensured.
In the invention, the indicator lamp 4 is a red LED indicator lamp and a yellow LED indicator lamp.
In a specific embodiment, the indicator lamp 4 is used for giving an optical alarm, that is, the alarm calculation module 14 controls the indicator lamp 4 to give an alarm prompt when an abnormality occurs.
In the invention, an interface is arranged on the wiring terminal 5, and the interface is a Micro USB interface, a Type-C interface or a Lighting interface.
In a specific embodiment, the charger circuit is connected to the alarm calculation module through the wiring terminal 5, so that the voltage and current monitoring module 13 can monitor the charger circuit conveniently, and abnormity caused by circuit problems can be found in time conveniently.
In the present invention, the communication module 9 is a wireless communication module based on YB30-SI4432 chip.
In the present invention, the alarm calculation module 14 is a threshold comparison module; the comparison method comprises amplifying a 5-10kHz high-frequency sinusoidal signal with power of 800-1000VA, outputting a 5-10kHz alternating current signal through a transformer, processing the alternating current signal by a current sampling mutual inductor, combining 0.01A, 1A, 10A, 100A and 600A through different windings by the mutual inductor, finally outputting 20mA current to an amplifier for error feedback, realizing direct current output through rectification filtering, wherein an effective value of the alternating current before the rectification filtering is equal to an effective value of the direct current after the rectification filtering, performing output alternating current, feedback alternating current and output direct current according to a ratio of 1: n, wherein n is more than 2, comparing the detected signal by setting a 0-5V direct current voltage reference, comparing the output information through a 0P-07 operational amplifier module, when the input analog quantity is compared with a standard value of the operational amplifier comparator, when the output value is inconsistent with the reference value, the processor automatically corrects the output value, the expected output value is reached, no fault data exists, the indicator lamp 4 displays green, and when the output value is inconsistent with the reference value, the fault data exists, and the indicator lamp 4 displays red.
In a specific embodiment, the invention realizes high-precision current sampling in a direct current source by using an alternating current transformer, mainly comprises an input setting module, a power amplification module, an output transformer, a sampling transformer and a rectification module, and newly extracts and monitors fault diagnosis data in a power supply through error processing.
In a specific embodiment, the alarm calculation module 14 compares the monitored voltage and current with the normal voltage and current threshold, transmits the comparison result to the control module 10, and the control module 10 determines whether the charger is in an abnormal state according to the comparison result.
In the specific embodiment, the improved EMD mixed distribution algorithm model realizes the power supply abnormal data information calculation by constructing an improved EMD mixed distribution algorithm function;
the Empirical Mode Decomposition (EMD) algorithm is a method proposed by NE. Huang et al to decompose a signal into characteristic modes. This has the advantage that no well-defined function is applied as a basis, but that the natural mode functions are generated adaptively from the analyzed signal. The method can be used for analyzing nonlinear and non-stationary signal sequences, and has high signal-to-noise ratio and good time-frequency focusing. EMD is actually the optimal solution to the transportation problem in linear programming, and decomposes the power supply output voltage, current or other signals to be studied into individual single-component signals, each of which contains only one oscillation mode (i.e., a single instantaneous frequency), and these decomposed components are called the natural mode functions. The EMD mixed distribution algorithm analyzes the analog data rule, judges whether power supply abnormal information exists or not according to the analysis result, and mainly operates the steps of calculating different power supply output data rules.
The functional expression is:
in the formula (1), the reaction mixture is,
which is a function of the output signal of the power supply,
a summary of the simulated fault power supply output data is presented,
indicating normal data of power supply output;
indicates the number of normal data output by the power supply,
a sequence representing normal data output by the power supply;
EMD solution is carried out on the signal function of the formula (1), the maximum fault power output and the minimum fault load of the power output are calculated through fitting and power output state simulation analysis, and the maximum allowable fault information function of the power output is reflected according to the average value of a theoretical value and an actual value:
in the formula (2), the reaction mixture is,
represents the maximum allowable fault output of the power supply output,
indicating that the power supply output is rated to withstand fault data,
indicating the minimum bearing load of the power output;
then combining the formula (1) and the formula (2), the maximum fault information output quantity of the power supply output is converted into a signal function, namely:
in the formula (3), the reaction mixture is,
a function representing a maximum fault signal output by the power supply; converting into recognizable first-order input signals in an algorithm programming mode:
in the formula (4), the reaction mixture is,
a first order signal that represents an algorithm's programming recognition,
representing analog input data that satisfies the EMD algorithm conditions,
power supply abnormality information analog data components representing successful programming;
then will be
And comparing with the set fault alarm threshold information.
The fault alarm thresholds include a current anomaly threshold, a voltage anomaly threshold, a ripple anomaly threshold, and a load anomaly threshold.
In particular embodiments, it may be desirable to set or compare different types of data information. In the specific implementation, assuming that the power output is in a normal operating state within the power output operation time, the first analog signal fluctuation is taken as a fault point, and the signal fluctuation always acquired in the analog state is as follows:
in the formula (5), the reaction mixture is,
which represents the total acquired signal fluctuation,
representing the influence factor of the output of the analog power supply,
which represents the time between the wave signals,
represents the time constant of the output of the power supply of the simulated fault,
indicating the error amount between the data acquisition result and the actual test data,
representing the factor coefficient of the influence of the output of the analog power supply;
because power supply abnormal information influences power supply output transmission, cause circuit amplitude and phase angle change easily this moment, obtain the asynchronous angle according to its decay law and be:
in the formula (6), the reaction mixture is,
the amount of degradation of the faulty power supply signal is indicated,
representing the power supply output head phase voltage,
representing the phase voltage at the tail end of the power supply output,
indicating the ability of the power supply to output transmission,
representing the overall length of the power supply output data transfer,
which represents the output impedance of the power supply,
the power supply outputs a transmission phase current.
The effective value of the power output data transmitted in the x-axis direction in the power output transmission process is represented;
and the effective value of the power output data in the y-axis direction is transmitted in the power output transmission process.
Often a period of time will elapse for a faulty power output to affect the power output, and when a fault occurs during operation of the power output, the transmission line buffer time is calculated as:
in the formula (7), the reaction mixture is,
representing the simulated data acquisition time in the power output,
representing the time of acquisition of the analog data of the transformer,
representing the analog data acquisition time of the power output line,
simulating the data acquisition time of the relay,
representing the simulated power failure data acquisition time,
indicating the initialization analog power supply output delay time.
By calculating the time difference of the failure of the actual value and the simulated value, the following relationship is found to exist between the actual value and the simulated value:
in equation (8), the relationship between the time difference for detecting the abnormal data output of the power failure information is:
in formula (9)
A variable representing the point-of-failure data information,
indicating the speed of transmission of the analog fault power supply output data information,
representing the distance between the simulated fault power output and the data transmission at the power output.
The EMD mixed distribution algorithm calculates the time relation of the power output failure by collecting the output data of each analog power supply, and finds the optimal analog power supply data information output processing by mixing a plurality of failure point data parameters and analyzing the failure point distribution rule, thereby realizing the accurate calculation of the power output.
In the above embodiment, the EMD mixed distribution algorithm model interface realizes data information output of the EMD mixed distribution algorithm model through PLC control programming.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that these specific embodiments are merely illustrative and that various omissions, substitutions and changes in the form of the detail of the methods and systems described above may be made by those skilled in the art without departing from the spirit and scope of the invention. For example, it is within the scope of the present invention to combine the steps of the above-described methods to perform substantially the same function in substantially the same way to achieve substantially the same result. Accordingly, the scope of the invention is to be limited only by the following claims.
Claims (10)
1. The utility model provides a power abnormal output alarm calculation module, includes casing (1), casing (1) upside is provided with apron (2), be provided with bee calling organ (3) and pilot lamp (4) on apron (2), its characterized in that:
the intelligent power supply comprises a shell (1), wherein a wiring terminal (5) and a power interface (6) are arranged on one side of the shell (1), the power interface (6) is arranged on the left side of the wiring terminal (5), a power module (15) is arranged at the center of the lower side in the shell (1), a PCB (7) is arranged in the shell (1), the PCB (7) is positioned above the power module (15), a storage module (8), a communication module (9), a control module (10), a power abnormity analysis module (11), a temperature sensor (12), a voltage and current monitoring module (13) and an alarm calculation module (14) are arranged on the upper side of the PCB (7), the control module (10) is arranged in the center of the PCB (7), the storage module (8) and the communication module (9) are arranged above the control module (10) in parallel, and the communication module (9) is arranged on the left side of the storage module (8), the power supply abnormity analysis module (11) is arranged below the control module (10), the temperature sensor (12), the voltage and current monitoring module (13) and the alarm calculation module (14) are sequentially arranged below the power supply abnormity analysis module (11) from left to right, and the alarm calculation module (14) is electrically connected with the buzzer (3) and the indicator lamp (4); the control module (10) is a programmable control module, the power supply abnormity analysis module (11) comprises an improved EMD mixed distribution algorithm model, and the alarm calculation module (14) is provided with an EMD mixed distribution algorithm model interface;
the control module (10) is respectively connected with the wiring terminal (5), the power interface (6), the storage module (8), the alarm calculation module (14), the communication module (9), the power abnormity analysis module (11), the temperature sensor (12), the voltage and current monitoring module (13) and the indicator lamp (4), wherein the output end of the alarm calculation module (14) is connected with the buzzer (3), the buzzer (3) displays the fault state through the indicator lamp (4), and the alarm calculation module (14) is also provided with an EMD mixed distribution algorithm model interface; wherein, the power supply abnormal output is performed when the indicator light (4) is red, and the power supply normal output is performed when the indicator light (4) is green.
2. The power supply abnormal output alarm calculation module according to claim 1, wherein: control module (10) include STM32F103RCT6 single chip microcomputer module, and STM32F103RCT6 single chip microcomputer module is provided with and exchanges data acquisition module and direct current data acquisition module, and wherein STM32F103RCT6 single chip microcomputer module still is connected with the FPGA unit, and the FPGA unit is provided with switching value input interface and switching value output interface.
3. The power supply abnormal output alarm calculation module according to claim 1, wherein: and the alarm calculation module (14) realizes alarm control through an STM8L151K4T6 singlechip.
4. The power supply abnormal output alarm calculation module according to claim 1, wherein: and the power supply abnormity analysis module (11) realizes the control of abnormal data information through an AT91RM9200 control chip.
5. The power supply abnormal output alarm calculation module according to claim 1, wherein: casing (1) is provided with erection column (101), mount pad (102), mounting hole (103), thermovent (104), erection column (101) set up in casing (1) inside downside, erection column (101) upper end is provided with PCB board (7), mount pad (102) symmetry sets up in casing (1) both sides, mounting hole (103) set up relatively on mount pad (102), thermovent (104) set up in casing (1) side.
6. The power supply abnormal output alarm calculation module according to claim 1, wherein: the indicator lamp (4) is a red LED indicator lamp and a yellow LED indicator lamp.
7. The power supply abnormal output alarm calculation module according to claim 1, wherein: the connecting terminal (5) is provided with an interface, and the interface is a Micro USB interface, a Type-C interface or a Lighting interface.
8. The power supply abnormal output alarm calculation module according to claim 1, wherein: the communication module (9) is a wireless communication module based on a YB30-SI4432 chip.
9. The power supply abnormal output alarm calculation module according to claim 1, wherein: the alarm calculation module (14) is a threshold comparison module; the comparison method comprises amplifying a 5-10kHz high-frequency sinusoidal signal with power of 800-1000VA, outputting a 5-10kHz alternating current signal through a transformer, processing the alternating current signal by a current sampling mutual inductor, combining 0.01A, 1A, 10A, 100A and 600A through different windings by the mutual inductor, finally outputting 20mA current to an amplifier for error feedback, realizing direct current output through rectification filtering, wherein an effective value of the alternating current before the rectification filtering is equal to an effective value of the direct current after the rectification filtering, performing output alternating current, feedback alternating current and output direct current according to a ratio of 1: n, wherein n is more than 2, comparing the detected signal by setting a 0-5V direct current voltage reference, comparing the output information through a 0P-07 operational amplifier module, when the input analog quantity is compared with a standard value of the operational amplifier comparator, when the output value is inconsistent with the reference value, the processor automatically corrects the output value to reach the expected output value, when the output value is consistent with the reference value, no fault data exists, the indicator lamp (4) displays green, and when the output value is inconsistent with the reference value, the fault data exists, and the indicator lamp (4) displays red.
10. The power supply abnormal output alarm calculation module according to claim 1, wherein: the improved EMD mixed distribution algorithm model realizes power supply abnormal data information calculation by constructing an improved EMD mixed distribution algorithm function;
the functional expression is:
in the formula (1), the reaction mixture is,
which is a function of the output signal of the power supply,
a summary of the simulated fault power supply output data is presented,
indicating normal data of power supply output;
indicates the number of normal data output by the power supply,
a sequence representing normal data output by the power supply;
reflecting the maximum allowable fault information function of the power output according to the average value of the theoretical value and the actual value:
in the formula (2), the reaction mixture is,
represents the maximum allowable fault output of the power supply output,
indicating that the power supply output is rated to withstand fault data,
indicating the minimum bearing load of the power output;
then combining the formula (1) and the formula (2), the maximum fault information output quantity of the power supply output is converted into a signal function, namely:
in the formula (3), the reaction mixture is,
a function representing a maximum fault signal output by the power supply; converting into recognizable first-order input signals in an algorithm programming mode:
in the formula (4), the reaction mixture is,
a first order signal that represents an algorithm's programming recognition,
representing simulated input data that satisfies the EMD algorithm conditions,
power supply abnormality information analog data components representing successful programming;
then will be
Comparing with the set fault alarm threshold information;
the fault alarm threshold comprises a current abnormity threshold, a voltage abnormity threshold, a ripple abnormity threshold and a load abnormity threshold, wherein the EMD mixed distribution algorithm model interface realizes EMD mixed distribution algorithm model data information output through PLC control programming.
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