CN114062844A - Power supply safety monitoring system and method - Google Patents
Power supply safety monitoring system and method Download PDFInfo
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Abstract
The application relates to the technical field of power supply monitoring, in particular to a power supply safety monitoring system and a power supply safety monitoring method, wherein the power supply safety monitoring system comprises a power supply subsystem, a power supply subsystem and a power supply subsystem, wherein the power supply subsystem is used for supplying power to a load; the data acquisition subsystem, the data acquisition subsystem with power supply system is connected, the data acquisition subsystem is used for gathering power supply system's operating signal, operating signal including: a voltage signal, a current signal, and a temperature signal; and the central control subsystem is connected with the data acquisition subsystem, and executes corresponding operation based on the running signal. The power supply safety monitoring system and the power supply safety monitoring method have the effect of improving monitoring and control of a power supply system.
Description
Technical Field
The present application relates to the field of power supply monitoring technologies, and in particular, to a power supply safety monitoring system and method.
Background
The power supply system is a system which is composed of a power supply system and a power transmission and distribution system and is used for generating electric energy and supplying and conveying the electric energy to electric equipment.
At present, in some portable electric products, after a power supply system generates electric energy, a transmission fault inevitably occurs in the process of actually transmitting the electric energy by a power transmission and distribution system, for example, short circuit may be caused by reasons such as line aging, insulation structure damage, element damage and the like, so that the temperature of a line is increased to burn out the line or elements, when the fault is processed, the electric products are generally required to be disassembled, and then fault points are specifically and gradually checked.
In view of the above-mentioned related art, the inventor has considered that it is often difficult to find a fault in a power supply line in time, and a great deal of effort is required to repair the fault because a specific fault point is not clear.
Disclosure of Invention
In order to prompt a user of a specific fault point so as to facilitate maintenance, the application provides a power supply safety monitoring method.
In a first aspect, the present application provides a power supply safety monitoring system, which adopts the following technical scheme:
a power supply safety monitoring system comprising:
a power supply subsystem for supplying power to a load;
the data acquisition subsystem, the data acquisition subsystem with power supply system is connected, the data acquisition subsystem is used for gathering power supply system's operating signal, operating signal including: a voltage signal, a current signal, and a temperature signal;
and the central control subsystem is connected with the data acquisition subsystem, and executes corresponding operation based on the running signal.
By adopting the technical scheme, the power supply subsystem provides and transmits power for the load, the data acquisition subsystem acquires voltage signals, current signals and temperature signals of the power supply subsystem during power supply, and the central subsystem executes corresponding operation on the power supply subsystem based on the operation signals acquired by the data acquisition subsystem.
Optionally, the data acquisition subsystem includes:
the voltage acquisition module comprises a voltage acquisition unit and a voltage conversion unit, the voltage acquisition unit is used for acquiring real-time voltage analog signals in the power supply system, and the voltage conversion unit converts the real-time voltage analog signals into voltage signals which can be identified by the central control subsystem;
the current acquisition module comprises a current acquisition unit and a current conversion unit, the current acquisition unit is used for acquiring real-time current analog signals in a power supply system, and the current conversion unit converts the real-time current analog signals into current signals which can be identified by the central control subsystem;
and the temperature acquisition module comprises a temperature acquisition unit and a temperature conversion unit, the temperature acquisition unit is used for acquiring real-time temperature analog signals in the power supply system, and the temperature conversion unit converts the real-time temperature analog signals into temperature signals which can be identified by the central control subsystem.
By adopting the technical scheme, the voltage acquisition unit can acquire the voltage analog signal of the power supply and then converts the voltage analog signal into the voltage signal which can be identified by the central subsystem through the voltage conversion unit; the current acquisition unit can acquire a current analog signal of the power supply line and then converts the current analog signal into a current signal which can be identified by the central subsystem through the current conversion unit; the temperature acquisition unit can acquire a temperature analog signal of the power supply line and then converts the temperature analog signal into a temperature signal which can be identified by the central subsystem through the temperature conversion unit;
optionally, the central control subsystem includes:
the device comprises a threshold module, a data processing module and a data processing module, wherein a preset threshold is stored in the threshold module;
the analysis module is connected with the threshold module and compares the operation signal with a preset threshold to obtain an analysis result;
and the control module is connected with the analysis module and executes corresponding operation on the power supply system based on the analysis result.
By adopting the technical scheme, the analysis module can compare the operation signal acquired by the acquisition module with a preset threshold value so as to obtain an analysis result, and the control module can execute corresponding operation on the power supply subsystem based on the analysis result.
Optionally, the threshold module includes:
the device comprises a first threshold unit, a second threshold unit and a control unit, wherein a preset voltage threshold is stored in the first threshold unit;
a second threshold unit, wherein a preset current threshold is stored in the second threshold unit;
and a third threshold unit, wherein a preset temperature threshold is stored in the third threshold unit.
By adopting the technical scheme, the preset voltage threshold value can provide a critical value for the collected voltage signal so as to judge whether the output voltage is normal or not; the preset current threshold value can provide a critical value for the collected current signal so as to judge whether the running current is normal or not; the preset temperature threshold value can provide a critical value for the collected temperature signal so as to judge whether the temperature of the power supply line is normal or not;
optionally, the analysis module includes:
the voltage analysis unit compares the voltage signal with a preset voltage threshold value to obtain a voltage analysis result;
the current analysis unit compares the current signal with a preset current threshold value to obtain a current analysis result;
and the temperature analysis unit compares the temperature signal with a preset temperature threshold value to obtain a temperature analysis result.
By adopting the technical scheme, the voltage analysis unit can compare the voltage signal of the power supply with the preset voltage threshold value to obtain a specific analysis result, so that whether the voltage is normal or not is judged; the current analysis unit can compare the running current signal of the power supply circuit with a preset current threshold value to obtain a specific analysis result, so as to judge whether the current is normal or not; the temperature analysis unit can compare the temperature signal of the power supply circuit with a preset temperature threshold value to obtain a specific analysis result, so that whether the temperature of the circuit is normal or not is judged;
optionally, the control module includes:
the driving unit is used for identifying the analysis result and sending out a driving signal;
and the execution unit is connected with the driving unit and executes corresponding operation on the power supply subsystem based on the driving signal.
By adopting the technical scheme, the driving unit is used for receiving the analysis result obtained by the processing and analyzing module, the driving unit sends a corresponding driving instruction to the execution unit based on the analysis result, and the analysis result executes corresponding operation on the power supply subsystem based on the driving instruction
Optionally, the system further comprises an alarm subsystem, wherein the alarm subsystem is connected with the central control subsystem, and the alarm subsystem executes corresponding operation based on the analysis result.
By adopting the technical scheme, the alarm subsystem can execute corresponding operation according to a specific analysis result so as to prompt the running state of the power supply subsystem of a user.
A power supply safety monitoring method is applied to a power supply safety monitoring system, and the system comprises a power supply subsystem, a data acquisition subsystem, a central control subsystem and an alarm subsystem;
the method comprises the following steps:
the data acquisition subsystem acquires operation signals of the power supply subsystem in real time, wherein the operation signals comprise voltage signals, current signals and temperature signals;
the central control subsystem analyzes the operation signal and a preset threshold value to obtain an analysis result;
and the data acquisition subsystem, the central control subsystem and the alarm subsystem execute corresponding operations based on the analysis result.
By adopting the technical scheme, the data acquisition subsystem can acquire the real-time operation signal of the power supply subsystem by acquiring the voltage signal, the current signal and the temperature signal of the power supply subsystem, the central control subsystem compares the acquired operation signal with the preset threshold value stored by the central control subsystem, and then obtains a specific analysis result, and based on the obtained analysis result, the data acquisition subsystem, the central control subsystem and the alarm subsystem execute corresponding operation.
Optionally, analyzing the operation signal and the preset threshold to obtain an analysis result includes the following steps:
judging whether the operation signal exceeds the preset threshold range or not;
if the operating signal exceeds the preset threshold range, determining that the operating signal is abnormal;
and if the operation signal does not exceed the preset threshold range, determining that the operation signal is normal.
By adopting the technical scheme, whether the operation signal exceeds the preset threshold value is taken as a standard, whether the operation signal is normal or abnormal can be judged, and the subsequent subsystem can execute corresponding operation based on the judgment result.
Optionally, the executing the corresponding operation based on the analysis result includes the following steps:
if the operation signal is normal, the alarm subsystem does not perform any operation, and the data acquisition subsystem continues to acquire the operation signal of the power supply system based on the normal operation signal;
and if the operation signal is abnormal, the alarm subsystem gives an alarm, and the central control subsystem executes corresponding operation on the power supply system based on the abnormal operation signal.
By adopting the technical scheme, the alarm subsystem can execute corresponding operation based on normal or abnormal signals so as to prompt a user whether the power supply subsystem operates normally, and when the power supply subsystem is in an abnormal state, the central control subsystem can timely perform corresponding operation on the power supply system.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the data acquisition subsystem is arranged, so that a real-time operation signal of the power supply subsystem is conveniently acquired;
2. by arranging the central control subsystem, the operation signal of the power supply subsystem can be analyzed and processed, and the feedback is carried out on the power supply subsystem, so that the power supply safety of the power supply subsystem is conveniently monitored;
3. by arranging the alarm subsystem, corresponding operation can be executed according to the running state of the power supply subsystem, so that the running state of the power supply subsystem can be prompted to a user.
Drawings
Fig. 1 is a schematic overall framework structure diagram of a power supply safety monitoring system according to the present application.
Fig. 2 is a schematic structural diagram of a data acquisition subsystem in a power supply safety monitoring system according to the present application.
Fig. 3 is a schematic structural diagram of a central control subsystem in a power supply safety monitoring system according to the present application.
Fig. 4 is a schematic structural diagram of an alarm subsystem in a power supply safety monitoring system according to the present application.
Fig. 5 is a schematic overall structure diagram of a power supply safety monitoring method according to the present application.
Fig. 6 is a schematic structural diagram of step S1 in a power supply safety monitoring method according to the present application.
Fig. 7 is a schematic structural diagram of step S2 in a power supply safety monitoring method according to the present application.
Fig. 8 is a schematic structural diagram of step S3 in a power supply safety monitoring method according to the present application.
Description of reference numerals:
1. a power supply subsystem; 11. a power supply source; 12. a power supply line; 2. a data acquisition subsystem; 21. a voltage acquisition module; 211. a voltage acquisition unit; 212. a voltage conversion unit; 22. a current collection module; 221. a current collection unit; 222. a current conversion unit; 23. a temperature acquisition module; 231. a temperature acquisition unit; 232. a temperature conversion unit; 3. a central control subsystem; 31. a threshold module; 311. a first threshold unit; 312. a second threshold unit; 313. a third threshold unit; 32. an analysis module; 321. a voltage analyzing unit; 322. a current analyzing unit; 323. a temperature analysis unit; 33. a control module; 331. a drive unit; 332. an execution unit; 4. an alarm subsystem; 41. an identification module; 411. a voltage identification unit; 412. a current identification unit; 413. a temperature identification unit; 42. an indication module; 421. a first indicating unit; 422. a second indicating unit; 423. and a third indicating unit.
Detailed Description
The present application is described in further detail below with reference to figures 1-8.
For the convenience of understanding the present application, the power supply box of the electronic cigarette is described as an example below.
The embodiment of the application discloses a power supply safety monitoring system, and referring to fig. 1 and fig. 2, the power supply safety monitoring system comprises a power supply subsystem 1, the power supply subsystem 1 comprises a power supply source 11 and a power supply line 12, and the power supply source 11 provides a power supply 11 for a load through the power supply line 12; the data acquisition subsystem 2 is connected with the power supply system, and the data acquisition subsystem 2 is used for acquiring operation signals of the power supply system, wherein the operation signals comprise voltage signals, current signals and temperature signals; and the central control subsystem 3 is connected with the data acquisition subsystem 2, and the central control subsystem 3 executes corresponding operation based on the operation signal.
As shown in fig. 2, the data collection subsystem 2 includes a voltage collection module 21, a current collection module 22 and a temperature collection module 23, wherein the voltage collection module 21 is used for collecting a voltage signal of the power supply subsystem 1, the current collection module 22 is used for collecting a current signal of the power supply subsystem 1, and the temperature collection module 23 is used for collecting a temperature signal of the power supply subsystem 1.
The voltage acquisition module 21 includes a voltage acquisition unit 211 and a voltage conversion unit 212, an output end of the voltage acquisition unit 211 is connected with an input end of the voltage conversion unit 212, the voltage acquisition unit 211 is connected with an output end of the power supply 11, and acquires a real-time voltage analog signal at the output end of the power supply 11; and then converted into a voltage signal recognizable by the central control subsystem 3 through the voltage conversion unit 212, so that the voltage acquisition module 21 can monitor the output voltage of the power supply 11 in real time.
For example, in this embodiment, the voltage collecting unit 211 may be configured as a voltage data collector, and the voltage data collector collects the output voltage of the power supply 11 and outputs a corresponding voltage analog signal; the voltage conversion unit 212 may be configured as an ADC that converts the voltage analog signal output by the voltage acquisition unit 211 into a voltage signal recognizable by the central control subsystem 3.
The current collection module 22 includes a current collection unit 221 and a current conversion unit 222, an output end of the current collection unit 221 is connected with an input end of the current conversion unit 222, a detection end is arranged on the power supply line 12, the current collection unit 221 is connected with the detection end of the power supply line 12, and then the current collection unit 221 is converted into a current signal which can be identified by the central control subsystem 3 through the current conversion unit 222, so that the current collection module 22 can monitor the running current of the power supply line 12 in real time.
In this embodiment, the voltage collecting unit 211 may be configured as a current data collector, and the current data collector collects the operating current of the power supply line 12 and outputs a corresponding current analog signal; the current conversion unit 222 may be configured as an ADC, and converts the current analog signal output by the current collection unit 221 into a current signal recognizable by the central control subsystem 3.
Wherein, temperature acquisition module 23 includes temperature acquisition unit 231 and temperature conversion unit 232, and temperature acquisition unit 231 is connected with power supply line 12, and the output of temperature acquisition unit 231 is connected with temperature conversion unit 232's input, then converts the temperature signal that can supply the discernment of central control subsystem 3 into through temperature conversion unit 232 to, temperature acquisition module 23 can the temperature signal of real-time supervision power supply line 12.
In this embodiment, the temperature acquisition unit 231 may be configured as a temperature sensor, the temperature conversion unit 232 may be configured as an ADC, and the temperature sensor converts the temperature signal of the power supply line 12 into a corresponding temperature analog signal, and then converts the temperature analog signal into a temperature signal that can be recognized by the central control subsystem 3.
As shown in fig. 3, the central control subsystem 3 comprises a threshold module 31, an analysis module 32 and a control module 33, the threshold module 31, the analysis module 32 and the control module 33; the threshold module 31 stores a preset threshold signal, the analysis module 32 is configured to compare the operation signal acquired by the acquisition module with the preset threshold signal, so as to obtain an analysis result, and the control module 33 executes a corresponding operation based on the analysis result.
The threshold module 31 includes a first threshold unit 311, a second threshold unit 312, and a third threshold unit 313, where the first threshold unit 311 stores a preset voltage threshold, the second threshold unit 312 stores a preset current threshold, and the third threshold unit 313 stores a preset temperature threshold. The analysis module 32 includes a voltage analysis unit 321, a current analysis unit 322, and a temperature analysis unit 323.
The voltage analyzing unit 321 compares the voltage signal with a preset voltage threshold, determines that the voltage is normal if the voltage signal does not exceed the preset voltage threshold, and outputs an analysis result of "voltage is normal"; and if the voltage signal exceeds a preset voltage threshold, determining that the voltage is abnormal, and outputting an analysis result of 'voltage abnormality'.
For example, the preset voltage threshold may be 3.7-4.2V, and if the voltage value of the voltage signal is in the interval of 3.7-4.2V, it is determined that the voltage is normal, and the voltage analysis unit 321 outputs the analysis result of "voltage is normal"; if the voltage value of the voltage signal is higher than 4.2V or lower than 3.7V, it is determined that the voltage is abnormal, and the voltage analysis unit 321 outputs an analysis result of "voltage is abnormal".
The current analyzing unit 322 compares the current signal with a preset current threshold, determines that the current is normal if the current signal does not exceed the preset current threshold, and outputs an analysis result of "current is normal"; and if the current signal exceeds a preset current threshold, determining that the current is abnormal, and outputting an analysis result of 'current abnormality'.
For example, the preset current threshold may be 1.6-3.4A, if the current value of the current signal is in the interval of 1.6-3.4A, it is determined that the current is normal, and the current analysis unit 322 outputs the analysis result of "current is normal"; if the voltage value of the current signal is higher than 3.4A or lower than 1.6A, it is determined that the current is abnormal, and the current analysis unit 322 outputs an analysis result of "current abnormal".
The temperature analysis unit 323 compares the temperature signal with a preset temperature threshold, determines that the temperature is normal if the temperature signal does not exceed the preset temperature threshold, and outputs an analysis result of "normal temperature"; and if the temperature signal exceeds a preset temperature threshold value, determining that the temperature is abnormal, and outputting an analysis result of 'temperature abnormality'.
For example, a preset temperature threshold value of 70 ℃ may be taken, if the temperature value of the temperature signal is lower than 70 ℃, it is determined that the temperature is normal, and the temperature analysis unit 323 outputs an analysis result of "normal temperature"; if the voltage value of the temperature signal is higher than 70 ℃, it is determined that the temperature is abnormal, and the temperature analysis unit 323 outputs an analysis result of "temperature abnormality".
In this embodiment, the control module 33 includes a driving unit 331 and an execution unit 332, where the driving unit 331 may be set as a 51-chip microcomputer, the execution unit 332 may be set as a relay, an input end of the driving unit 331 is connected to output ends of the voltage analysis unit 321, the current analysis unit 322, and the temperature analysis unit 323, an output end of the driving unit 331 is connected to an input end of the execution unit 332, and an output end of the execution unit 332 is connected to the power supply line 12; the driving unit 331 sends a driving signal to the execution unit 332 based on the analysis results obtained by the voltage analysis unit 321, the current analysis unit 322, and the temperature analysis unit 323, and the execution unit 332 performs a corresponding operation on the power supply line 12 based on the driving signal.
Specifically, if the driving unit 331 receives the analysis result of "normal voltage", the analysis result of "normal current", and the analysis result of "normal temperature", the driving unit 331 does not operate, and the data acquisition subsystem 2 continues to acquire the operation signal of the power supply subsystem 1; if the driving unit 331 receives the analysis result of the "voltage abnormality", the analysis result of the "current abnormality", and the analysis result of the "temperature abnormality", the driving unit 331 sends a driving signal to the execution unit 332, and the execution unit 332 disconnects the power supply line 12 based on the driving signal.
As shown in fig. 4, the power supply safety monitoring system further includes a power supply alarm subsystem 4, the alarm subsystem 4 is connected to the central control subsystem 3, the alarm subsystem 4 includes an identification module 41 and an indication module 42, the identification module 41 includes a voltage signal identification unit, a current signal identification unit and a temperature identification unit 413, the indication module 42 includes a first indication unit 421, a second indication unit 422 and a third indication unit 423, wherein the first indication unit 421, the second indication unit 422 and the third indication unit 423 may be configured as LED lamps.
Specifically, the input end of the voltage signal identification unit is connected to the output end of the voltage analysis unit 321, the output end of the voltage signal identification unit is connected to the input end of the first indication unit 421, if the voltage identification unit 411 receives the analysis result of "voltage is normal", a driving instruction of "stop" is sent to the first indication unit 421, and the first indication unit 421 maintains a stop state based on the driving instruction; the voltage signal recognition unit corresponds to the first indication unit 421, and if the voltage signal recognition unit receives the analysis result of "voltage abnormality", the voltage signal recognition unit sends a "flashing" driving instruction to the first indication unit 421, and the first indication unit 421 flashes based on the driving instruction to prompt a user that the power supply voltage is abnormal.
Specifically, the input end of the current signal identification unit is connected to the output end of the current analysis unit 322, the output end of the current signal identification unit is connected to the input end of the second indication unit 422, if the current identification unit 412 receives the analysis result of "normal current", a drive instruction of "stop" is sent to the second indication unit 422, and the second indication unit 422 maintains the stop state based on the drive instruction; the current signal recognition unit corresponds to the second indication unit 422, and if the current signal recognition unit receives the analysis result of "current abnormality", the current signal recognition unit sends a "flashing" driving instruction to the second indication unit 422, and the second indication unit 422 flashes based on the driving instruction to prompt a user that the power supply current is abnormal.
Specifically, the input end of the temperature signal identification unit is connected with the output end of the temperature analysis unit 323, the output end of the temperature signal identification unit is connected with the input end of the third indication unit 423, if the temperature identification unit 413 receives the analysis result of "normal temperature", a drive instruction of "stop" is sent to the third indication unit 423, and the third indication unit 423 maintains a stop state based on the drive instruction; the temperature signal recognition unit corresponds to the third indication unit 423, and if the temperature signal recognition unit receives the analysis result of the "temperature abnormality", the temperature signal recognition unit sends a "flashing" driving instruction to the third indication unit 423, and the third indication unit 423 flashes based on the driving instruction to prompt a user that the power supply temperature is abnormal.
The implementation principle of the power supply safety monitoring system in the embodiment of the application is as follows: the voltage acquisition unit 211 acquires an output voltage analog signal of the power supply 11, the voltage analog signal is converted into a voltage signal which can be identified by the voltage analysis module 32 through the voltage conversion unit 212, the current acquisition unit 221 acquires an output current analog signal of the power supply line 12, the current analog signal is converted into a current signal which can be identified by the current analysis module 32 through the current conversion unit 222, the temperature acquisition unit 231 acquires a temperature analog signal of the power supply line 12, the temperature analog signal is converted into a temperature signal which can be identified by the temperature analysis module 32 through the temperature conversion unit 232, the analysis module 32 analyzes the operation signal and a preset threshold value to obtain an analysis result, the control module 33 performs corresponding operation on the power supply system based on the analysis result, and the alarm subsystem 4 displays a corresponding state based on the analysis result.
The embodiment of the present application further discloses a power supply safety monitoring method, which is applied to the above power supply safety monitoring system, the power supply safety monitoring system includes a power supply subsystem 1, a data acquisition subsystem 2, a central control subsystem 3 and an alarm subsystem 4, the power supply subsystem 1 includes a power supply source 11 and a power supply line 12, the power supply source 11 is used for providing a power supply 11 for a load, the power supply line 12 is used for transmitting a power supply for the load, and referring to fig. 5, the method includes the following steps:
s1, the data acquisition subsystem 2 acquires operation signals of the power supply subsystem 1 in real time, wherein the operation signals comprise voltage signals, current signals and temperature signals;
s2, the central control subsystem 3 analyzes the operation signal and a preset threshold value to obtain an analysis result;
and S3, the data acquisition subsystem 2, the central control subsystem 3 and the alarm subsystem 4 execute corresponding operations based on the analysis result.
In step S1, as seen from the above power supply safety monitoring system, the data acquisition subsystem 2 includes an acquisition module and a conversion module, the acquisition module includes a voltage acquisition unit 211, a current acquisition unit 221, and a temperature acquisition unit 231, the conversion module includes a voltage conversion unit 212, a current conversion unit 222, and a temperature conversion unit 232, and with specific reference to fig. 6, step S1 includes the following steps:
s11, the voltage acquisition unit 211 acquires voltage analog signals of the power supply source 11, the current acquisition unit 221 acquires current analog signals of the power supply line 12, and the temperature acquisition unit 231 acquires temperature analog signals of the power supply line 12;
s12, the voltage converting unit 212 converts the voltage analog signal into a voltage signal recognizable by the central control subsystem 3, the current converting unit 222 converts the current analog signal into a current signal recognizable by the central control subsystem 3, and the temperature converting unit 232 converts the temperature analog signal into a temperature signal recognizable by the central control subsystem 3.
In step S2, as seen from the above power supply safety monitoring system, the central subsystem includes a threshold module 31 and an analysis module 32, the threshold module 31 includes a first threshold unit 311, a second threshold unit 312 and a third threshold unit 313, where the first threshold unit 311 stores a preset voltage threshold, the second threshold unit 312 stores a preset current threshold, the third threshold unit 313 stores a preset temperature threshold, and the analysis module 32 includes a voltage analysis unit 321, a current analysis module 32 and a temperature analysis module 32, and with reference to fig. 7 specifically, the method includes the following steps:
s21, judging whether the operation signal exceeds the preset threshold range;
s22, if the operation signal does not exceed the preset threshold range, determining that the operation signal is normal;
s23, if the operation signal exceeds the preset threshold range, determining that the operation signal is abnormal;
specifically, in step S22, if the voltage signal does not exceed the preset voltage threshold, it is determined that the voltage is normal; if it is determined that the voltage is normal, the voltage analysis unit 321 outputs an analysis result of "voltage is normal"; if the current signal does not exceed the preset current threshold, the current is determined to be normal, and if the current is determined to be normal, the current analysis unit 322 outputs an analysis result of "current is normal"; if the temperature signal does not exceed the preset temperature threshold, determining that the temperature is normal; if it is determined that the temperature is normal, the temperature analysis unit 323 outputs an analysis result of "normal temperature".
Specifically, in step S23, if the voltage signal exceeds the preset voltage threshold, the voltage is determined to be abnormal, and if the voltage is determined to be abnormal, the voltage analysis unit 321 outputs an analysis result of "voltage abnormal"; if the current signal exceeds the preset current threshold, determining that the current is abnormal, and if the current is determined to be abnormal, outputting an analysis result of 'current abnormal' by the current analysis unit 322; if the temperature signal exceeds the preset temperature threshold, it is determined that the temperature is abnormal, and if it is determined that the temperature is abnormal, the temperature analysis unit 323 outputs an analysis result of "temperature is abnormal".
In this embodiment, the preset voltage threshold may be 3.7-4.2V, if the voltage value of the voltage signal is in the range of 3.7-4.2V, it is determined that the voltage is normal, the voltage analyzing unit 321 outputs an analysis result of "voltage is normal", if the voltage value of the voltage signal is higher than 4.2V or lower than 3.7V, it is determined that the voltage is abnormal, and the voltage analyzing unit 321 outputs an analysis result of "voltage is abnormal"; the preset current threshold value is 1.6-3.4A, if the current value of the current signal is in the interval of 1.6-3.4A, the current is determined to be normal, the current analysis unit 322 outputs the analysis result of 'current normal', if the voltage value of the current signal is higher than 3.4A or lower than 1.6A, the current is determined to be abnormal, and the current analysis unit 322 outputs the analysis result of 'current abnormal'; the preset temperature threshold value is 70 ℃, if the temperature value of the temperature signal is lower than 70 ℃, the temperature is determined to be normal, the temperature analysis unit 323 outputs the analysis result of 'normal temperature', if the voltage value of the temperature signal is higher than 70 ℃, the temperature is determined to be abnormal, and the temperature analysis unit 323 outputs the analysis result of 'normal temperature'.
In step S3, as known from the above power supply safety monitoring system, the central acquisition subsystem further includes a control module 33, the control module 33 includes a driving unit 331 and an execution unit 332, the alarm subsystem 4 includes an identification module 41 and an indication module 42, the identification module 41 includes a voltage identification unit 411, a current identification unit 412 and a temperature identification unit 413, the indication module 42 includes a first indication unit 421, a second indication unit 422 and a third indication unit 423, where the voltage identification unit 411 corresponds to the first indication unit 421, the current identification unit 412 corresponds to the second indication unit 422, the temperature identification unit 413 corresponds to the third indication unit 423, and the first indication unit 421, the second indication unit 422 and the third indication unit 423 may be set as LED lamps, and specifically refer to fig. 8, which includes the following steps:
s31, if the operation signal is normal, the alarm subsystem 4 does not perform any operation, and the data acquisition subsystem 2 continues to acquire the operation signal of the power supply system based on the normal operation signal;
and S32, if the operation signal is abnormal, the alarm subsystem 4 gives an alarm, and the central control subsystem 3 executes corresponding operation on the power supply system based on the abnormal operation signal.
Specifically, in step S31, if the voltage identification unit 411 receives the analysis result of "voltage is normal", the alarm subsystem 4 does not perform any operation, and the voltage acquisition module 21 continues to acquire the voltage signal of the power supply 11; if the current identification unit 412 receives the analysis result of "normal current", the alarm subsystem 4 does not work, and the current collection module 22 continues to collect the current signal of the power supply line 12; if the temperature identification unit 413 receives the analysis result of "normal temperature", the alarm subsystem 4 does not work, and the temperature acquisition module 23 continues to acquire the temperature signal of the power supply line 12.
Specifically, in step S32, if the voltage identification unit 411 and the driving unit 331 receive the analysis result of "voltage anomaly", the voltage identification unit 411 sends a "flashing" instruction to the first indication unit 421, and the first indication unit 421 executes the flashing instruction and gives an alarm, then the driving unit 331 sends a driving instruction to the execution unit 332, and the execution unit 332 turns off the power supply line 12 based on the driving instruction; if the current identification unit 412 and the driving unit 331 receive the analysis result of "current abnormality", the current identification unit 412 sends a "flashing" instruction to the second indicating unit 422, the second indicating unit 422 executes the flashing instruction and gives an alarm, the driving unit 331 sends a driving instruction to the executing unit 332, and the executing unit 332 turns off the power supply line 12 based on the driving instruction; if the temperature identification unit 413 and the driving unit 331 receive the analysis result of the "temperature anomaly", the temperature identification unit 413 sends a "flashing" instruction to the third indication unit 423, the third indication unit 423 executes the flashing instruction and gives an alarm, the driving unit 331 sends a driving instruction to the execution unit 332, and the execution unit 332 turns off the power supply line 12 based on the driving instruction.
The implementation principle of the power supply safety monitoring method in the embodiment of the application is as follows: the voltage acquisition unit 211 acquires a voltage analog signal at the output end of the power supply 11, the voltage analog signal is converted into a voltage signal which can be identified by the voltage analysis unit 321 through the voltage conversion unit 212, the current acquisition unit 221 acquires a current analog signal of the power supply line 12, the current analog signal is converted into a current signal which can be identified by the current analysis unit 322 through the current conversion unit 222, the temperature acquisition unit 231 acquires an operating temperature analog signal of the power supply line 12, and the temperature analog signal is converted into a temperature which can be identified by the temperature analysis unit 323 through the temperature conversion unit 232; the analysis module 32 analyzes the operation signal and a preset threshold value to obtain an analysis result, if the analysis result is a normal analysis result, the alarm system does not work, the acquisition subsystem continues to acquire operation information of the power supply system based on the normal analysis result, if the analysis result is an abnormal analysis result, the alarm subsystem 4 executes alarm based on the abnormal analysis result, and the driving unit 331 drives the execution unit 332 to turn off the power supply line 12.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A power supply safety monitoring system, comprising:
a power supply subsystem (1), the power supply subsystem (1) being configured to supply power to a load;
the data acquisition subsystem (2), the data acquisition subsystem (2) with power supply system connects, the data acquisition subsystem (2) are used for gathering power supply system's operating signal, operating signal including: a voltage signal, a current signal, and a temperature signal;
and the central control subsystem (3), the central control subsystem (3) is connected with the data acquisition subsystem (2), and the central control subsystem (3) executes corresponding operation based on the operation signal.
2. A power supply safety monitoring system according to claim 1, characterized in that the data acquisition subsystem (2) comprises:
the voltage acquisition module (21) comprises a voltage acquisition unit (211) and a voltage conversion unit (212), the voltage acquisition unit (211) is used for acquiring real-time voltage analog signals in a power supply system, and the voltage conversion unit (212) converts the real-time voltage analog signals into voltage signals which can be recognized by the central control subsystem (3);
the current acquisition module (22), the current acquisition module (22) comprises a current acquisition unit (221) and a current conversion unit (222), the current acquisition unit (221) is used for acquiring real-time current analog signals in a power supply system, and the current conversion unit (222) converts the real-time current analog signals into current signals which can be identified by the central control subsystem (3);
and the temperature acquisition module (23), the temperature acquisition module (23) includes temperature acquisition unit (231) and temperature conversion unit (232), temperature acquisition unit (231) are arranged in gathering the real-time temperature analog signal among the power supply system, temperature conversion unit (232) will real-time temperature analog signal converts the temperature signal that can supply central control subsystem (3) to discern.
3. A power supply safety monitoring system according to claim 1, characterized in that the central control subsystem (3) comprises:
the device comprises a threshold module (31), wherein a preset threshold is stored in the threshold module (31);
the analysis module (32), the analysis module (32) is connected with the threshold module (31), and the analysis module (32) compares the operation signal with a preset threshold to obtain an analysis result;
and the control module (33), the control module (33) is connected with the analysis module (32), and the control module (33) executes corresponding operation on a power supply system based on the analysis result.
4. A power supply safety monitoring system according to claim 3, characterized in that the threshold module (31) comprises:
a first threshold unit (311), wherein a preset voltage threshold is stored in the first threshold unit (311);
a second threshold unit (312), wherein a preset current threshold is stored in the second threshold unit (312);
and a third threshold unit (313), wherein a preset temperature threshold is stored in the third threshold unit (313).
5. A power supply safety monitoring system according to claim 4, characterized in that the analysis module (32) comprises:
the voltage analysis unit (321) compares the voltage signal with a preset voltage threshold value to obtain a voltage analysis result;
the current analysis unit (322), the current analysis unit (322) compares the current signal with a preset current threshold value to obtain a current analysis result;
and the temperature analysis unit (323), the temperature analysis unit (323) compares the temperature signal with a preset temperature threshold value to obtain a temperature analysis result.
6. A power supply safety monitoring system according to claim 3, wherein the control module (33) comprises:
a driving unit (331), the driving unit (331) being configured to identify the analysis result and to emit a driving signal;
an execution unit (332), wherein the execution unit (332) is connected with the driving unit (331), and the execution unit (332) performs corresponding operation on the power supply subsystem (1) based on the driving signal.
7. A power supply safety monitoring system according to claim 1, characterized by further comprising an alarm subsystem (4), wherein the alarm subsystem (4) is connected with the central control subsystem (3), and the alarm subsystem (4) executes corresponding operation based on the analysis result.
8. A power supply safety monitoring method, which is applied to the power supply safety monitoring system of any one of claims 1-7, wherein the system comprises a power supply subsystem (1), a data acquisition subsystem (2), a central control subsystem (3) and an alarm subsystem (4);
the method comprises the following steps:
the data acquisition subsystem (2) acquires operation signals of the power supply subsystem (1) in real time, wherein the operation signals comprise voltage signals, current signals and temperature signals;
the central control subsystem (3) analyzes the operation signal and a preset threshold value to obtain an analysis result;
and the data acquisition subsystem (2), the central control subsystem (3) and the alarm subsystem (4) execute corresponding operations based on the analysis result.
9. The power supply safety monitoring method according to claim 8, wherein analyzing the operation signal with the preset threshold value to obtain an analysis result comprises the following steps:
judging whether the operation signal exceeds the preset threshold range or not;
if the operating signal exceeds the preset threshold range, determining that the operating signal is abnormal;
and if the operation signal does not exceed the preset threshold range, determining that the operation signal is normal.
10. The power supply safety monitoring method according to claim 9, wherein the corresponding operation is executed based on the analysis result, and the execution of the corresponding operation comprises the following steps:
if the operation signal is normal, the alarm subsystem (4) does not perform any operation, and the data acquisition subsystem (2) continues to acquire the operation signal of the power supply system based on the normal operation signal;
if the operation signal is abnormal, the alarm subsystem (4) gives an alarm, and the central control subsystem (3) executes corresponding operation on the power supply system based on the abnormal operation signal.
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