CN-121985461-A - Intelligent control power supply with electric leakage positioning function for power carrier

CN121985461ACN 121985461 ACN121985461 ACN 121985461ACN-121985461-A

Abstract

The application discloses a power carrier intelligent control power supply with electric leakage positioning, wherein a main control module in the power carrier intelligent control power supply can acquire electric leakage information generated by an electric leakage detection module, and accordingly, corresponding electric leakage type information and electric leakage positioning related information are determined, so that an electric leakage event can be automatically analyzed efficiently, and a report message generated by the electric leakage information and/or electric leakage data can be uploaded to a control center in a power carrier mode, so that further electric leakage event analysis can be conveniently performed, and the accuracy and efficiency of electric leakage positioning are improved.

Inventors

HUANG FANSHENG
LIN DESHAN

Assignees

广州华迅智云科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260210

Claims (10)

1. Take electric leakage location's power line carrier wisdom control power, its characterized in that includes: the driving power supply module is electrically connected with the light source; The communication module is electrically connected with the power line and is used for communicating with the control center through the power line in a power carrier mode; the leakage detection module is used for generating leakage information corresponding to the leakage current when the leakage current of the light source and/or the power carrier intelligent control power supply is detected, and The main control module is used for receiving a control signal from the control center through the communication module, controlling the driving power supply module to output a driving signal to the light source according to the control signal, and is further configured to: Receiving the leakage information; determining corresponding leakage data based on the leakage information, wherein the leakage data comprises leakage type information and leakage positioning related information; and generating a report message at least according to the leakage information and/or the leakage data, and uploading the report message to the control center through the communication module.
2. The power carrier intelligent control power supply according to claim 1, wherein the determining the corresponding leakage data based on the leakage information includes: Determining a leakage occurrence time point corresponding to the leakage information; Determining a plurality of periods corresponding to the leakage occurrence time points, wherein the leakage occurrence time points are included in the plurality of periods; acquiring current waveform signals corresponding to the multiple periods; And determining the leakage type information through waveform characteristic analysis based on the current waveform signals corresponding to the plurality of periods.
3. The intelligent control power supply for power carrier according to claim 1, wherein the report message is generated at least according to the leakage data and contains the leakage positioning related information; The control center is configured to determine a leakage fault location interval in a plurality of intervals based on the received leakage location related information contained in the report messages respectively sent by the power carrier intelligent control power supplies, wherein the intervals are determined according to a line topology structure formed by the power carrier intelligent control power supplies.
4. The intelligent control power supply for a power carrier according to claim 3, wherein the information related to the positioning of the leakage current includes the leakage current strength; the method for determining the leakage fault location interval in the intervals based on the leakage location related information contained in the report messages respectively sent by the power carrier intelligent control power supplies comprises the following steps: Determining a target leakage intensity smaller than an intensity threshold value in the leakage intensities contained in the received leakage positioning related information; And determining a section matched with each target leakage intensity from the plurality of sections to serve as the leakage fault positioning section.
5. The power carrier intelligent control power supply according to claim 1, wherein the leakage detection module comprises: the two input ends are used for collecting electric signals corresponding to the leakage currents; the positive electrode of the first diode is connected with one of the input ends, and the negative electrode of the first diode is connected with the other input end; the anode of the second diode is connected between the cathode of the first diode and the corresponding input end, and the cathode of the second diode is connected between the anode of the first diode and the corresponding input end; The non-inverting input end of the comparison unit is connected between the positive electrode of the first diode and the negative electrode of the second diode, and the output end of the comparison unit is connected with an analog-digital converter (ADC) interface for generating and outputting the leakage information; The two ends of the third resistor are respectively connected between the cathode of the first diode and the anode of the second diode, and the inverting input end of the comparison unit; One end of the fourth resistor is connected between the third resistor and the inverting input end of the comparison unit through the third capacitor, and the other end of the fourth resistor is connected between the third resistor and the anode of the second diode; a first capacitor having one end connected between the output end of the comparing unit and the ADC interface and the other end connected to the ground end of the comparing unit, and And the voltage output end of the reference voltage providing unit is connected between the non-inverting input end of the comparison unit and the anode of the first diode.
6. The power carrier intelligent control power supply according to claim 5, wherein the reference voltage supply unit includes: The output end of the voltage follower is used as the voltage output end; A second capacitor; reference power supply, and The first resistor and the second resistor are connected in series, one end of the first resistor and the second resistor after being connected in series is used for being grounded and is also used for being connected to the input end of the voltage follower through the second capacitor, and the other end of the first resistor and the second resistor after being connected in series is connected to the reference power supply; The input end of the voltage follower is also connected between the first resistor and the second resistor.
7. The power carrier smart control power supply of any one of claims 1-6, further comprising: The electric parameter acquisition module is used for acquiring electric parameters of the light source and/or the power carrier intelligent control power supply so as to generate electric parameter information; wherein the master control module is further configured to: Receiving the electrical parameter information; Wherein, the generating the report message at least according to the leakage information and/or the leakage data includes: and generating the report message based on at least one of the leakage information and the leakage data and the electrical parameter information.
8. The intelligent control power supply for power line carrier according to claim 7, wherein, The report message carries a background leakage value determined by the electrical parameter information, or the electrical parameter information carried in the report message is at least used for the control center to determine the background leakage value, wherein the background leakage value is suitable for indicating the background leakage current generated by a circuit device in a non-fault period, and the circuit device comprises a circuit device corresponding to the light source and/or a circuit device corresponding to the power carrier intelligent control power supply; The report message is at least used for indicating the control center to analyze and obtain the background leakage change trend according to the background leakage value, and sends out early warning information associated with the intelligent control power supply of the power carrier under the condition that the background leakage change trend meets the early warning condition.
9. The intelligent control power supply for power carrier according to claim 8, wherein, The reporting message carries the electrical parameter information; the reporting message is further used for indicating the control center to extract a first frequency characteristic and a second frequency characteristic from the electrical parameter information respectively, performing attention calculation according to the first frequency characteristic and the second frequency characteristic to obtain a comprehensive characteristic, and determining a failure trend prediction result of the intelligent control power supply of the power carrier based on the background leakage change trend and the comprehensive characteristic, wherein the first frequency corresponding to the first frequency characteristic is the driving frequency of the light source, and the second frequency corresponding to the second frequency characteristic is an integer multiple of the driving frequency.
10. The power carrier smart control power supply of any one of claims 1-6, further comprising at least one of: the real-time clock module is used for sending time information to the main control module; the energy storage module is used for providing electric energy for the intelligent control power supply of the power carrier; The driving power supply module, the communication module and the main control module are all arranged on the PCB; the shell is internally provided with a containing space, and the driving power supply module, the communication module and the main control module are all contained in the containing space.

Description

Intelligent control power supply with electric leakage positioning function for power carrier Technical Field The application relates to the technical field of intelligent illumination, in particular to an intelligent control power supply with electric leakage positioning for a power carrier. Background In general lighting systems, since leakage is a common and dangerous safety hazard, it is often necessary to provide a leakage detection mechanism, which is typically implemented by means of a leakage protector (Residual Current Device, RCD) in the overall distribution box. However, the earth leakage protector is generally used for realizing the power-off protection of the whole line, and is often difficult to locate to a specific fault point, so that inconvenience is brought to fault detection and maintenance. Disclosure of Invention In order to solve the technical problems, the embodiment of the application provides a power carrier intelligent control power supply with a leakage positioning function, which can improve the accuracy and efficiency of the leakage positioning. The embodiment of the application provides an intelligent control power supply with an electric leakage positioning function for a power carrier, which comprises the following components: the driving power supply module is electrically connected with the light source; The communication module is electrically connected with the power line and is used for communicating with the control center through the power line in a power carrier mode; the leakage detection module is used for generating leakage information corresponding to the leakage current when the leakage current of the light source and/or the power carrier intelligent control power supply is detected, and The main control module is used for receiving a control signal from the control center through the communication module, controlling the driving power supply module to output a driving signal to the light source according to the control signal, and is further configured to: Receiving the leakage information; determining corresponding leakage data based on the leakage information, wherein the leakage data comprises leakage type information and leakage positioning related information; and generating a report message at least according to the leakage information and/or the leakage data, and uploading the report message to the control center through the communication module. Optionally, the determining, based on the leakage information, corresponding leakage data includes: Determining a leakage occurrence time point corresponding to the leakage information; Determining a plurality of periods corresponding to the leakage occurrence time points, wherein the leakage occurrence time points are included in the plurality of periods; acquiring current waveform signals corresponding to the multiple periods; And determining the leakage type information through waveform characteristic analysis based on the current waveform signals corresponding to the plurality of periods. Optionally, the report message is generated at least according to the leakage data and includes the leakage positioning related information; The control center is configured to determine a leakage fault location interval in a plurality of intervals based on the received leakage location related information contained in the report messages respectively sent by the power carrier intelligent control power supplies, wherein the intervals are determined according to a line topology structure formed by the power carrier intelligent control power supplies. Optionally, the leakage positioning related information includes leakage intensity; the method for determining the leakage fault location interval in the intervals based on the leakage location related information contained in the report messages respectively sent by the power carrier intelligent control power supplies comprises the following steps: Determining a target leakage intensity smaller than an intensity threshold value in the leakage intensities contained in the received leakage positioning related information; And determining a section matched with each target leakage intensity from the plurality of sections to serve as the leakage fault positioning section. Optionally, the leakage detection module includes: the two input ends are used for collecting electric signals corresponding to the leakage currents; the positive electrode of the first diode is connected with one of the input ends, and the negative electrode of the first diode is connected with the other input end; the anode of the second diode is connected between the cathode of the first diode and the corresponding input end, and the cathode of the second diode is connected between the anode of the first diode and the corresponding input end; The non-inverting input end of the comparison unit is connected between the positive electrode of the first diode and the negative electrode of the second diode, and the ou