CN117856445A - Intelligent power supply control circuit, control method and power supply control device - Google Patents
Intelligent power supply control circuit, control method and power supply control device Download PDFInfo
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Abstract
The invention discloses an intelligent power supply control circuit, a control method and a power supply control device, wherein the control method comprises the following steps: detecting and collecting target electric leakage data of the intelligent power supply control circuit, and transmitting the target electric leakage data to the intelligent control unit; detecting and collecting target operation data of the intelligent power supply control circuit, and transmitting the target operation data to the intelligent control unit; determining a target working state of the intelligent power supply control circuit according to the target leakage data; when the target working state is an abnormal working state, determining a target fault parameter of the intelligent power supply control circuit, and uploading the target fault parameter to the master control platform; and issuing a target control instruction according to the target fault parameter and the target operation data through the master control platform, and adjusting the target control parameter of the intelligent power supply control circuit according to the target control instruction so as to enable the intelligent power supply control circuit to recover to a normal working state. By adopting the embodiment of the invention, the adjustment of the control parameters of the intelligent power supply control circuit is realized.
Description
Technical Field
The invention relates to the technical field of control circuits, in particular to an intelligent power supply control circuit, a control method and a power supply control device.
Background
Along with the continuous development of society, the power supply control circuit has wide application in various industries, and the power supply control circuit can monitor parameters such as input voltage, current and temperature of a power supply and carry out power supply management according to use requirements, but the power supply control circuit also has some problems, for example, the control parameters of the power supply control circuit are generally fixed and cannot be changed or adjusted, so that the circuit is inflexible and can not meet the requirements of some special scenes, and therefore, how to realize the adjustment of the control parameters of the power supply control circuit becomes a problem to be solved urgently.
Disclosure of Invention
The embodiment of the invention provides an intelligent power supply control circuit, a control method and a power supply control device, which can monitor the running condition of a circuit in real time, discover circuit faults in time, and adjust the control parameters of the intelligent power supply control circuit when the circuit faults so as to solve the circuit faults, thus realizing the adjustment of the control parameters of the intelligent power supply control circuit.
In a first aspect, an embodiment of the present invention provides a smart power control circuit, including: the intelligent power supply control circuit is connected with a power supply, and is in communication connection with the master control platform, wherein,
The live wire of the power supply is connected with the first end of the main circuit AC-DC unit, and the zero wire of the power supply is connected with the second end of the main circuit AC-DC unit; the first end of the leakage current detection unit is respectively connected with the live wire of the power supply, the first end of the main circuit AC-DC unit and the first end of the auxiliary power supply unit, and the second end of the leakage current detection unit is respectively connected with the zero line of the power supply, the second end of the main circuit AC-DC unit and the second end of the auxiliary power supply unit; the third end of the leakage current detection unit is connected with the second end of the intelligent control unit; the fourth end of the leakage current detection unit is connected with the third end of the auxiliary power supply unit; the fourth end of the auxiliary power supply unit is connected with the third end of the main circuit AC-DC unit, and the fifth end of the auxiliary power supply unit is connected with the first end of the intelligent control unit; the third end of the intelligent control unit is connected with the fourth end of the main circuit AC-DC unit;
the power supply is used for supplying power to the intelligent power supply control circuit; the main circuit AC-DC unit is used for converting alternating current provided by the power supply into direct current and outputting the direct current; the leakage current detection unit is used for detecting and collecting leakage data of the intelligent power supply control circuit and transmitting the leakage data to the intelligent control unit; the auxiliary power supply unit is used for supplying power to the intelligent control unit and the main circuit AC-DC unit; the intelligent control unit is used for receiving the electric leakage data, determining fault parameters of the intelligent power supply control circuit according to the electric leakage data, and transmitting the fault parameters to the master control platform; the master control platform is used for receiving fault parameters of the intelligent power supply control circuit, determining a first control instruction corresponding to the fault parameters, issuing the first control instruction to the intelligent power supply control circuit, and adjusting the control parameters of the intelligent power supply control circuit through the first control instruction so as to solve circuit faults corresponding to the fault parameters; the master control platform is also used for receiving a second control instruction and adjusting control parameters of the intelligent power supply control circuit according to the second control instruction.
Optionally, the intelligent power supply control circuit further includes an electric quantity metering unit, wherein a first end of the electric quantity metering unit is respectively connected with a live wire of the power supply and a first end of the main circuit AC-DC unit, a second end of the electric quantity metering unit is respectively connected with a zero line of the power supply and a second end of the main circuit AC-DC unit, a third end of the electric quantity metering unit is connected with a fourth end of the leakage current detection unit, and a fourth end of the electric quantity metering unit is connected with a fourth end of the intelligent control unit; the fifth end of the electric quantity metering unit is connected with the third end of the auxiliary power supply unit;
the auxiliary power supply unit is also used for supplying power to the electric quantity metering unit; the electric quantity metering unit is used for receiving the leakage data of the leakage current detection unit and transmitting the leakage data to the intelligent control unit; the electric quantity metering unit is also used for detecting and collecting operation data of the intelligent power supply control circuit and transmitting the operation data to the intelligent control unit, and the operation data comprises one or more of the following: input voltage, input current, output voltage, output current, active power, power factor, power supply working time length, over-temperature protection value, over-voltage protection value, power factor, working frequency and leakage data; the master control platform is also used for displaying or tracking the energy consumption value of a single power supply in real time, or the total power consumption of the intelligent power supply control circuit.
Optionally, the electric quantity metering unit comprises an electric quantity metering chip.
Optionally, the intelligent power supply control circuit further includes a fault display unit, wherein a first end of the fault display unit is connected with a sixth end of the auxiliary power supply unit, and a second end of the fault display unit is connected with a fifth end of the intelligent control unit; the auxiliary power supply unit is also used for supplying power to the fault display unit; the fault display unit is used for displaying fault states when the intelligent power supply control circuit breaks down.
Optionally, the main circuit AC-DC unit is a flyback AC-DC circuit, or a PFC plus QR type AC-DC circuit, or a PFC plus LLC type AC-DC circuit, or a PFC plus LCC type AC-DC circuit.
In a second aspect, an embodiment of the present invention provides a control method of a smart power control circuit, applied to any one of the smart power control circuits described in the first aspect, the control method including:
detecting and collecting target leakage data of the intelligent power supply control circuit through the leakage current detection unit, and transmitting the target leakage data to the intelligent control unit;
detecting and collecting target operation data of the intelligent power supply control circuit through the electric quantity metering unit, and transmitting the target operation data to the intelligent control unit;
Determining a target working state of the intelligent power supply control circuit according to the target electric leakage data through the intelligent control unit; the target operating state includes one of: normal working state and abnormal working state;
when the target working state is the abnormal working state, determining a target fault parameter of the intelligent power supply control circuit, and uploading the target fault parameter to the master control platform;
and issuing a target control instruction according to the target fault parameter and the target operation data through the master control platform, and adjusting the target control parameter of the intelligent power supply control circuit according to the target control instruction so as to enable the intelligent power supply control circuit to recover to the normal working state.
In a third aspect, an embodiment of the present invention provides a power control device, the device including a smart power control circuit according to any one of the first aspects.
It can be seen that the following beneficial effects are achieved by adopting the embodiment of the invention:
the control method of the intelligent power supply control circuit provided by the embodiment of the invention is applied to the intelligent power supply control circuit according to any one of the first aspect, and comprises the following steps: detecting and collecting target leakage data of the intelligent power supply control circuit through the leakage current detection unit, and transmitting the target leakage data to the intelligent control unit; detecting and collecting target operation data of the intelligent power supply control circuit through the electric quantity metering unit, and transmitting the target operation data to the intelligent control unit; determining a target working state of the intelligent power supply control circuit according to the target leakage data through the intelligent control unit; the target operating state includes one of: normal working state and abnormal working state; when the target working state is an abnormal working state, determining a target fault parameter of the intelligent power supply control circuit, and uploading the target fault parameter to the master control platform; the intelligent power supply control circuit is enabled to recover to a normal working state by sending a target control instruction through the master control platform according to the target fault parameter and the target operation data and adjusting the target control parameter of the intelligent power supply control circuit according to the target control instruction, the circuit is detected and sampled through the leakage current detection unit and the electric quantity metering unit, the operation condition of the circuit can be monitored in real time, the circuit fault can be found out in time, and when the circuit fault occurs, the control parameter of the intelligent power supply control circuit is adjusted through the control instruction sent by the master control platform so as to solve the circuit fault, and therefore the adjustment of the control parameter of the intelligent power supply control circuit is achieved.
Drawings
In order to more clearly describe the embodiments of the present invention or the technical solutions in the background art, the following description will describe the drawings that are required to be used in the embodiments of the present invention or the background art.
Fig. 1 is an application scenario diagram of an intelligent power control circuit according to an embodiment of the present application;
FIG. 2 is a block diagram of a smart power control circuit according to an embodiment of the present application;
fig. 3 is a flowchart of a control method of the intelligent power control circuit according to an embodiment of the present application.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will clearly and completely describe the technical solution in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
The terms first, second and the like in the description and in the claims of the present application and in the above-described figures, are used for distinguishing between different objects and not for describing a particular sequential order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In the current power control industry, because the functions of various power control circuits are uneven, many power control circuits only have simple dimming functions, such as 0-10V dimming, PWM dimming, resistance dimming, time control and the like; however, the simple dimming function and related performance cannot meet the requirements of high-end smart lighting or smart cities, and a power control circuit with multiple functions is needed to meet the requirements of high-end smart lighting or smart cities in the current market.
Along with the continuous development of society, the power supply control circuit has wide application in various industries, and the power supply control circuit can monitor parameters such as input voltage, current and temperature of a power supply and carry out power supply management according to use requirements, but the power supply control circuit also has some problems, for example, the control parameters of the power supply control circuit are generally fixed and cannot be changed or adjusted, so that the circuit is inflexible and can not meet the requirements of some special scenes, and therefore, how to realize the adjustment of the control parameters of the power supply control circuit becomes a problem to be solved urgently.
Therefore, the embodiment of the invention provides an intelligent power supply control circuit, a control method and a power supply control device, wherein the circuit is detected and sampled through a leakage current detection unit and an electric quantity metering unit, the running condition of the circuit can be monitored in real time, the circuit fault can be found out in time, and when the circuit fault occurs, the control parameters of the intelligent power supply control circuit are adjusted through a first control instruction issued by a master control platform or through a second control instruction of a target user, so that the circuit fault is solved, and the adjustment of the control parameters of the intelligent power supply control circuit is realized.
Referring to fig. 1, fig. 1 is an application scenario diagram of an intelligent power control circuit according to an embodiment of the present application; as shown in fig. 1, one end of the intelligent power control circuit is connected with a power supply, and the other end is connected with a plurality of street lamps and other devices, and the other devices can comprise at least one of the following: the intelligent street lamp, the LED lamp, the electronic display screen and the like are not limited herein, wherein the power supply source provides electric energy, the intelligent power supply control circuit processes the electric energy provided by the power supply source and outputs the processed electric energy to electric equipment, and the electric equipment can be a plurality of street lamps, other equipment and the like shown in fig. 1.
Referring to fig. 2, fig. 2 is a circuit block diagram of an intelligent power control circuit 200 according to an embodiment of the present application; the numbers in fig. 2 represent port numbers; the intelligent power control circuit 200 includes: the main circuit AC-DC unit 201, the leakage current detection unit 202, the auxiliary power supply unit 203 and the intelligent control unit 204, the intelligent power supply control circuit 200 is connected with a power supply, the intelligent power supply control circuit 200 is in communication connection with the master control platform, wherein,
the live wire of the power supply is connected with the first end of the main circuit AC-DC unit 201, and the zero wire of the power supply is connected with the second end of the main circuit AC-DC unit 201; the first end of the leakage current detection unit 202 is respectively connected with a live wire of a power supply, the first end of the main circuit AC-DC unit 201 and the first end of the auxiliary power supply unit 203, and the second end of the leakage current detection unit 202 is respectively connected with a zero wire of the power supply, the second end of the main circuit AC-DC unit 201 and the second end of the auxiliary power supply unit 203; the third terminal of the leakage current detection unit 202 is connected to the second terminal of the intelligent control unit 204; a fourth terminal of the leakage current detection unit 202 is connected to a third terminal of the auxiliary power supply unit 203; the fourth end of the auxiliary power supply unit 203 is connected with the third end of the main circuit AC-DC unit 201, and the fifth end of the auxiliary power supply unit 203 is connected with the first end of the intelligent control unit 204; the third end of the intelligent control unit 204 is connected with the fourth end of the main circuit AC-DC unit 201;
The power supply is used for supplying power to the intelligent power supply control circuit 200; the main circuit AC-DC unit 201 is configured to convert AC power provided by a power supply into DC power for output; the leakage current detection unit 202 is used for detecting and collecting leakage data of the intelligent power supply control circuit 200, and transmitting the leakage data to the intelligent control unit 204; the auxiliary power supply unit 203 is used for supplying power to the intelligent control unit 204 and the main circuit AC-DC unit 201; the intelligent control unit 204 is configured to receive the leakage data, determine a fault parameter of the intelligent power control circuit 200 according to the leakage data, and transmit the fault parameter to the master control platform; the master control platform is used for receiving fault parameters of the intelligent power supply control circuit 200, determining a first control instruction corresponding to the fault parameters, issuing the first control instruction to the intelligent power supply control circuit 200, and adjusting the control parameters of the intelligent power supply control circuit 200 through the first control instruction so as to solve circuit faults corresponding to the fault parameters; the master control platform is further configured to receive a second control instruction, and adjust a control parameter of the intelligent power control circuit 200 according to the second control instruction.
The second control command may be a control command set by a target user, which is a user or an administrator using the intelligent power control circuit 200.
The target user can set control instructions of at least one of the following control parameters through the master control platform: the input voltage, input current, output voltage, output current, leakage current value, total operation duration of a single power supply, power consumption of the power supply, total electric quantity used by the power supply, dimming value, over-temperature protection value, over-voltage protection value, PF, working efficiency, time control parameter, input over-voltage point, input under-voltage point, light attenuation compensation function parameter, longitude and latitude parameter, and the like are not limited herein. The master control platform may be communicatively connected to the intelligent control unit 204 through a 4G network, or a 5G network, or Cat-1 (LTE Category 1, LTE first class), or NB-IoT (Narrow Band Internet of Things ), or the like. The PF is the power factor of the circuit.
Wherein the time control parameter may include at least one of: the control time length parameter, timing parameter, adaptive virtual midnight point parameter, etc., are not limited herein.
The light attenuation compensation function parameter may be a specific value, and in specific, different conditions, different light attenuation compensation function parameters may be set, for example, the intelligent power control circuit 200 may be connected to an LED lamp, and as the service time becomes longer, the brightness of the LED lamp is not bright before under the same voltage, and the light attenuation compensation function parameter may be used to compensate the dimming brightness of the LED lamp, so that the brightness of the LED lamp returns to the normal brightness.
The longitude and latitude parameters can be used for indicating geographic positions, and the environments and the required control strategies are different from geographic positions.
The adaptive virtual midnight point parameter may be a specific value, which is used to adjust the brightness value of the intelligent street lamp at night, and the intelligent street lamp may be connected to the output end of the intelligent power control circuit 200.
Wherein the intelligent control unit 204 may receive at least one of the following data: the input under-voltage parameter, the input over-voltage parameter, the output overload parameter, the output over-voltage parameter, the output over-current parameter, the active power of the single power supply, the total power of the power supply, the input voltage value, the input current value, the power supply power quantity parameters such as PF and the power consumption parameters are not limited herein.
The active power refers to the ac energy actually emitted or consumed in a unit time, and is the average power in a period.
Optionally, the intelligent power control circuit 200 further comprises a power meter unit 205, wherein,
the first end of the electric quantity metering unit 205 is respectively connected with a live wire of a power supply and the first end of the main circuit AC-DC unit 201, the second end of the electric quantity metering unit 205 is respectively connected with a zero line of the power supply and the second end of the main circuit AC-DC unit 201, the third end of the electric quantity metering unit 205 is connected with the fourth end of the leakage current detection unit 202, and the fourth end of the electric quantity metering unit 205 is connected with the fourth end of the intelligent control unit 204; the fifth end of the electric quantity metering unit 205 is connected with the third end of the auxiliary power supply unit 203;
The auxiliary power supply unit 203 is further configured to supply power to the power metering unit 205; the electric quantity metering unit 205 is configured to receive the leakage data of the leakage current detection unit 202, and transmit the leakage data to the intelligent control unit 204; the electricity metering unit 205 is further configured to detect and collect operation data of the intelligent power control circuit 200, and transmit the operation data to the intelligent control unit 204, wherein the operation data includes one or more of the following: input voltage, input current, output voltage, output current, active power, power factor, power supply working time length, over-temperature protection value, over-voltage protection value, power factor, working frequency and leakage data; the master control platform is also used for displaying or tracking the energy consumption value of a single power supply in real time or the total power consumption of the intelligent power supply control circuit.
Alternatively, the power metering unit 205 may include a power metering chip.
In a specific embodiment, the power metering unit 205 may include a power metering chip, which is also referred to as a battery management chip or a power management chip, and is mainly used for managing and controlling the power of the electronic device. Specifically, the electric quantity metering chip can measure the input electric quantity of the power supply in real time so that a user can know the electric quantity state of the intelligent power supply control circuit, and can monitor the voltage and the current of the power supply to prevent the power supply from being overcharged or overdischarged, thereby protecting the service life of the power supply; the electric quantity metering unit 205 may collect power supply parameters such as active power of a single power supply, total electric quantity of the power supply, input voltage value, input current value, PF and the like in real time through an electric quantity metering chip, and the electric quantity metering unit 205 may also detect a fault of the power supply through the electric quantity metering chip and transmit fault information to the intelligent control unit 204.
Wherein the power metering unit 205 may detect at least one of the following data of the intelligent power control circuit 200: the active power of the single power supply, the total power of the power supply, the input voltage value, the input current value, the leakage parameter, the power system parameter of the PF and the like are not limited herein.
Optionally, the intelligent power control circuit 200 further includes a fault display unit 206, where a first end of the fault display unit 206 is connected to a sixth end of the auxiliary power supply unit 203, and a second end of the fault display unit 206 is connected to a fifth end of the intelligent control unit 204; the auxiliary power supply unit 203 is also used for supplying power to the fault display unit 206; the fault display unit 206 is configured to display a fault state when the intelligent power control circuit 200 fails.
In a specific embodiment, the fault display unit 206 may include a display screen, and the fault display unit 206 may receive the fault parameters transmitted by the intelligent control unit 204, and display information according to the fault parameters on the display screen, where the information may include at least one of the following: the type of fault, time of occurrence of the fault, advice of handling the fault, etc., are not limited herein.
Optionally, the main circuit AC-DC unit 201 is a flyback AC-DC circuit, or a PFC plus QR AC-DC circuit, or a PFC plus LLC AC-DC circuit, or a PFC plus LCC AC-DC circuit, where PFC (Power Factor Correction) is power factor correction, QR (Quasi Resonant) is quasi-resonant, LLC (Low-Loss LLC) is resonant LLC circuit, and LCC (Leaky Coupled Capacitor) is resonant LCC circuit.
In a specific embodiment, the specific model of the main circuit AC-DC unit 201 may be selected according to the actual requirement, for example, if the actual requirement is that the cost is low, a flyback AC-DC circuit may be selected; the advantages and disadvantages of various types of AC-DC circuits are as follows:
the main advantages of flyback AC-DC circuits include simplicity, reliability, low cost and ease of implementation. The circuit is particularly suitable for low-power (1W-60W) switching power supply application occasions requiring electrical isolation of input and output. However, the biggest disadvantage is its low efficiency relative to other types of circuits.
PFC plus QR type AC-DC circuits combine Power Factor Correction (PFC) and quasi-resonant (QR) techniques to improve overall efficiency and reduce electromagnetic interference (EMI). However, it is costly compared to other circuit types.
The PFC and LLC type AC-DC circuit adopts an LLC resonant converter, and the converter has the advantages of soft switching, easy magnetic integration, high density, low EMI, high efficiency and the like. Therefore, it is widely used in industry. However, the design and manufacturing complexity is higher compared to flyback and PFC plus QR circuits.
PFC plus LCC type AC-DC circuits combine PFC and LCC technologies to provide higher efficiency and better load stability, cost is moderate and reliability is high.
Referring to fig. 3, fig. 3 is a flowchart of a control method of a smart power control circuit according to an embodiment of the present application, and the control method of the smart power control circuit shown in fig. 3 is applied to a part or all of the smart power control circuits 200 described above, and the control method includes, but is not limited to, the following steps:
s301, detecting and collecting target electric leakage data of the intelligent power supply control circuit through the leakage current detection unit, and transmitting the target electric leakage data to the intelligent control unit.
In this embodiment, the leakage data may include at least one of the following: the leakage time, the leakage position, the leakage current, the leakage voltage, and the like are not limited herein.
In a specific embodiment, the detection and collection may be performed by the leakage current detection unit according to a first preset detection interval, where the first preset detection interval may be a default interval or an interval set by a user, and the leakage current detection unit may detect and collect the intelligent power control circuit according to the first preset detection interval, collect each item of data of the intelligent power control circuit, process the collected data, obtain target leakage data, and transmit the target leakage data to the intelligent control unit.
Optionally, in step S301, the detecting and collecting, by the leakage current detecting unit, the target leakage data of the smart power control circuit, and transmitting the target leakage data to the smart control unit may include the following steps:
11. detecting and collecting reference leakage data of the intelligent power supply control circuit through the leakage current detection unit;
12. transmitting the reference leakage data to the electric quantity metering unit through the leakage current detection unit;
13. data integration is carried out on the reference electric leakage data through the electric quantity metering unit, so that the target electric leakage data are obtained;
14. and transmitting the target electric leakage data to the intelligent control unit through the electric quantity metering unit.
In an embodiment of the present application, the electric quantity measuring unit may include an electric quantity measuring chip.
In a specific embodiment, the leakage current detection unit may detect and collect the intelligent power control circuit according to a preset detection interval, collect various data of the intelligent power control circuit, and process the collected data to obtain reference leakage data; then, the reference leakage data is transmitted to the electric quantity metering unit through the leakage current detection unit, and the current input to the intelligent power supply control circuit is alternating current, but the intelligent control unit processes the direct current data, so that the reference leakage data is required to be subjected to data integration through the electric quantity metering unit to obtain target leakage data, and further, the target leakage data can be transmitted to the intelligent control unit through the electric quantity metering unit.
Thus, the reference leakage data of the intelligent power supply control circuit is detected and collected through the leakage current detection unit; transmitting the reference leakage data to the electric quantity metering unit through the leakage current detection unit; data integration is carried out on the reference electric leakage data through the electric quantity metering unit, so that target electric leakage data are obtained; and finally, the electric quantity metering unit transmits target electric leakage data to the intelligent control unit, and the electric leakage problem can be timely found and processed by monitoring and analyzing the electric leakage data in real time, so that the safety of the circuit is greatly improved.
S302, detecting and collecting target operation data of the intelligent power supply control circuit through the electric quantity metering unit, and transmitting the target operation data to the intelligent control unit.
In an embodiment of the present application, the operation data includes one or more of the following: input voltage, input current, output voltage, output current, active power, power factor, power supply working time length, over-temperature protection value, over-voltage protection value, power factor, working frequency and leakage data; the master control platform is also used for displaying or tracking the energy consumption value of a single power supply in real time or the total power consumption of the intelligent power supply control circuit.
In a specific embodiment, the detection and collection may be performed by the electric quantity metering unit according to a second preset detection interval, where the second preset detection interval may be a default interval or an interval set by a user, specifically, the electric quantity metering unit may detect and collect the intelligent power control circuit according to the second preset detection interval, collect each item of operation data of the intelligent power control circuit, process the collected operation data to obtain target operation data, and transmit the target operation data to the intelligent control unit.
Therefore, the electric quantity metering unit is used for detecting and collecting target operation data of the intelligent power supply control circuit and transmitting the target operation data to the intelligent control unit, on one hand, key indexes such as the operation efficiency and the energy consumption of the power supply can be known through collection and analysis of the target operation data, a basis is provided for optimizing power supply management, on the other hand, the possible occurrence of faults of the power supply can be predicted through monitoring the target operation data, early warning is carried out in advance, and the occurrence of the faults is avoided.
S303, determining a target working state of the intelligent power supply control circuit according to the target electric leakage data through the intelligent control unit; the target operating state includes one of: normal working state, abnormal working state.
In this embodiment of the present application, the intelligent control unit may analyze and process the target leakage data transmitted by the received leakage current detection unit, and determine the working state of the intelligent power control circuit according to the target leakage data, so as to obtain the target working state.
Optionally, step S303, determining, by the intelligent control unit, the target operating state of the intelligent power supply control circuit according to the target leakage data may include the following steps:
31. determining a target leakage amount corresponding to the target leakage data;
32. when the target electric leakage quantity is smaller than a preset electric leakage quantity, determining that the target working state is the normal working state;
33. and when the target electric leakage quantity is larger than or equal to the preset electric leakage quantity, determining that the target working state is the abnormal working state.
In this embodiment of the present application, the target leakage amount may be a default value, or a value set by a user.
In a specific embodiment, the target leakage amount corresponding to the target leakage data may be determined by the intelligent control unit, specifically, the received target leakage data may be analyzed, and the value and duration according to the leakage current may be obtained by the target leakage data, so that the leakage amount may be calculated, the leakage amount is equal to the value of the leakage current multiplied by the duration, and the leakage amount is typically expressed in ampere hours (Ah) or coulombs (C).
Then, when the target electric leakage quantity is smaller than the preset electric leakage quantity, the intelligent control unit can judge that the target working state is a normal working state; when the target electric leakage is greater than or equal to the preset electric leakage, the intelligent control unit can judge that the target working state is an abnormal working state.
Thus, the target electric leakage quantity corresponding to the target electric leakage data is determined; when the target electric leakage quantity is smaller than the preset electric leakage quantity, determining that the target working state is a normal working state; when the target electric leakage quantity is larger than or equal to the preset electric leakage quantity, the target working state is determined to be an abnormal working state, so that the electric leakage condition can be found timely, the safety of electric equipment and personnel is ensured, and when the electric leakage quantity exceeds the preset electric leakage quantity, measures can be taken timely, and potential electric shock risks and fire risks are avoided.
And S304, when the target working state is the abnormal working state, determining a target fault parameter of the intelligent power supply control circuit, and uploading the target fault parameter to the master control platform.
In an embodiment of the present application, the fault parameters may include at least one of the following: the leakage alarm parameter, the input under-voltage parameter, the input over-voltage parameter, the output overload parameter, the output over-voltage parameter, the output over-current parameter, the overpower parameter, and the like are not limited herein.
In a specific embodiment, when the target working state is an abnormal working state, the target fault parameter of the intelligent power supply control circuit can be determined according to the target electric leakage data and the target operation data, and the target fault parameter is uploaded to the master control platform, specifically, the electric leakage alarm parameter can be determined according to the target electric leakage data, abnormal data in the target operation data can be found out according to comparison between the target operation data and the normal working data of the intelligent power supply control circuit, so as to obtain the target fault parameter, for example, the numerical range of the input voltage in the normal working data is 100V-300V, the input voltage in the target operation data is 50V, the input voltage abnormality of the intelligent power supply control circuit can be judged, the input under-voltage parameter can be included in the target fault parameter, and after the input abnormal condition is detected, the output of the circuit can be closed, so that the safety of the circuit is protected; further, the target fault parameters include any one or more of the following: when parameters such as an under-voltage parameter, an over-voltage parameter and an over-power parameter are input, the output of the circuit can be closed so as to protect the safety of the circuit; under other conditions, the intelligent control unit can control and regulate the circuit to protect the safety of the circuit.
Therefore, when the target working state is the abnormal working state, the target fault parameters of the intelligent power supply control circuit are determined, the target fault parameters are uploaded to the master control platform, and the master control platform can monitor the working state of the intelligent power supply control circuit in real time, discover abnormal conditions in time and send out fault early warning notification so as to carry out timely maintenance and treatment.
S305, issuing a target control instruction through the master control platform according to the target fault parameter and the target operation data, and adjusting the target control parameter of the intelligent power supply control circuit according to the target control instruction so as to enable the intelligent power supply control circuit to recover to the normal working state.
In this embodiment of the present application, a target control instruction may be issued by the master control platform according to a target fault parameter and target operation data, for example, each fault parameter in the target fault parameter may correspond to a control instruction, or if the current in the intelligent power supply control circuit is too large, a control instruction for limiting the current may be issued, and then, the target control parameter of the intelligent power supply control circuit is adjusted according to the target control instruction, so that the intelligent power supply control circuit returns to a normal working state.
It should be explained that, the master control platform can issue a target control instruction according to the target fault parameter and the target operation data, and adjust the target control parameter of the intelligent power supply control circuit according to the target control instruction, and also can adjust and control the control parameter of the intelligent power supply control circuit through the control instruction set by the user.
Optionally, in step S305, the issuing, by the master control platform, a target control instruction according to the target fault parameter and the target operation data, and adjusting, according to the target control instruction, the target control parameter of the intelligent power supply control circuit may include the following steps:
51. determining a reference control instruction corresponding to the target fault parameter;
52. determining a target control instruction optimization parameter corresponding to the target operation data;
53. optimizing the reference control instruction according to the target control instruction optimization parameters to obtain the target control instruction;
54. issuing the target control instruction to the intelligent control unit through the master control platform;
55. and adjusting target control parameters of the intelligent power supply control circuit according to the target control instruction through the intelligent control unit.
In an embodiment of the present application, the control parameters may include at least one of the following: the input voltage, input current, output voltage, output current, leakage current value, operation duration of the power supply, power consumption of the power supply, dimming value, over-temperature protection value, over-voltage protection value, PF, working efficiency, time control parameter, light attenuation compensation value, and the like are not limited herein.
In a specific embodiment, a reference control instruction corresponding to the target fault parameter may be determined; for example, each of the target fault parameters may correspond to a control instruction, or it may be that if the current in the intelligent power control circuit is too large, a control instruction for limiting the current may be issued, then, a target control instruction optimization parameter corresponding to the target operation data is determined, specifically, a mapping relationship between preset operation data and the control instruction optimization parameter is stored in advance, and the target control instruction optimization parameter corresponding to the target operation data is determined based on the mapping relationship.
Further, the optimization of the reference control command according to the target control command optimization parameter may be performed to obtain the target control command, which is specifically as follows:
target control command= (1+target control command optimization parameter) reference control command;
Obtaining a target control instruction, and then, issuing the target control instruction to the intelligent control unit through the master control platform; the intelligent control unit adjusts the target control parameters of the intelligent power supply control circuit according to the target control instructions, so that the intelligent power supply control circuit is restored to a normal working state.
It should be noted that, after the intelligent control unit adjusts the target control parameter of the intelligent power control circuit according to the target control instruction, the method may further include the following steps:
sampling the intelligent power supply control circuit in a preset time period to obtain reference sampling data;
determining reference operation data of the intelligent power supply control circuit according to the reference sampling data;
determining a target difference degree parameter between the reference operation data and preset operation data;
determining a target fine adjustment control instruction corresponding to the target difference degree parameter;
adjusting the adjusted control parameters of the intelligent power supply control circuit according to the target fine adjustment control instruction so as to enable the intelligent power supply control circuit to recover to the normal working state; the adjusted control parameter is a control parameter after the target control parameter is adjusted.
In this embodiment of the present application, the preset time period may be a default time period or a time period set by a user; the preset operation data can also be default operation data or operation data set by a user, wherein the preset operation data is operation data when the intelligent power supply control circuit is in a normal working state.
In a specific embodiment, the reference sampling data may be obtained by sampling the intelligent power supply control circuit by the leakage current detection unit and/or the electric quantity metering unit in a preset time period, and then the reference sampling data may be transmitted to the intelligent control unit by the leakage current detection unit or the electric quantity metering unit, and the intelligent control unit determines the reference operation data of the intelligent power supply control circuit according to the reference sampling data.
Then, the target difference degree parameter between the reference operation data and the preset operation data may be determined by the intelligent control unit, specifically, the target difference value between the reference operation data and the preset operation data may be calculated first, the target difference value is obtained by subtracting the preset operation data from the reference operation data, for example, assuming that the input voltage of the reference operation data is 100V and the input voltage of the preset operation data is 120V, the target difference value is-20V, then, a mapping relation between the preset difference value and the difference degree parameter may be stored in advance, and the target difference degree parameter corresponding to the target difference value is determined based on the mapping relation.
Further, the target fine adjustment control instruction corresponding to the target difference degree parameter may be determined, or a mapping relation between a preset difference degree parameter and the fine adjustment control instruction may be stored in advance, and the target fine adjustment control instruction corresponding to the target difference degree parameter may be determined based on the mapping relation; then, the intelligent control unit adjusts the adjusted control parameters of the intelligent power supply control circuit according to the target fine adjustment control instruction, so that the intelligent power supply control circuit can be restored to the normal working state.
It can be seen that the following beneficial effects are achieved by adopting the embodiment of the invention:
the control method of the intelligent power supply control circuit provided by the embodiment of the invention is applied to the intelligent power supply control circuit shown in fig. 2, and comprises the following steps: detecting and collecting target leakage data of the intelligent power supply control circuit through the leakage current detection unit, and transmitting the target leakage data to the intelligent control unit; detecting and collecting target operation data of the intelligent power supply control circuit through the electric quantity metering unit, and transmitting the target operation data to the intelligent control unit; determining a target working state of the intelligent power supply control circuit according to the target leakage data through the intelligent control unit; the target operating state includes one of: normal working state and abnormal working state; when the target working state is an abnormal working state, determining a target fault parameter of the intelligent power supply control circuit, and uploading the target fault parameter to the master control platform; the intelligent power supply control circuit is enabled to recover to a normal working state by sending a target control instruction through the master control platform according to the target fault parameter and the target operation data and adjusting the target control parameter of the intelligent power supply control circuit according to the target control instruction, the circuit is detected and sampled through the leakage current detection unit and the electric quantity metering unit, the operation condition of the circuit can be monitored in real time, the circuit fault can be found out in time, and when the circuit fault occurs, the control parameter of the intelligent power supply control circuit is adjusted through the control instruction sent by the master control platform so as to solve the circuit fault, and therefore the adjustment of the control parameter of the intelligent power supply control circuit is achieved.
The embodiment of the invention also provides a power supply control device which can comprise part or all of the intelligent power supply control circuit in the embodiment.
It should be noted that, for simplicity of description, the foregoing method embodiments are all expressed as a series of action combinations, but it should be understood by those skilled in the art that the present application is not limited by the order of actions described, as some steps may be performed in other order or simultaneously in accordance with the present application. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required in the present application.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
In the several embodiments provided in this application, it should be understood that the disclosed apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, such as the above-described division of units, merely a division of logic functions, and there may be additional manners of dividing in actual implementation, such as multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, or may be in electrical or other forms.
The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The foregoing has outlined rather broadly the more detailed description of embodiments of the present application, wherein specific examples are provided herein to illustrate the principles and embodiments of the present application, the above examples being provided solely to assist in the understanding of the methods of the present application and the core ideas thereof; meanwhile, as those skilled in the art will have modifications in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Claims (10)
1. An intelligent power control circuit, characterized in that the intelligent power control circuit comprises: the intelligent power supply control circuit is connected with a power supply, and is in communication connection with the master control platform, wherein,
the live wire of the power supply is connected with the first end of the main circuit AC-DC unit, and the zero wire of the power supply is connected with the second end of the main circuit AC-DC unit; the first end of the leakage current detection unit is respectively connected with the live wire of the power supply, the first end of the main circuit AC-DC unit and the first end of the auxiliary power supply unit, and the second end of the leakage current detection unit is respectively connected with the zero line of the power supply, the second end of the main circuit AC-DC unit and the second end of the auxiliary power supply unit; the third end of the leakage current detection unit is connected with the second end of the intelligent control unit; the fourth end of the leakage current detection unit is connected with the third end of the auxiliary power supply unit; the fourth end of the auxiliary power supply unit is connected with the third end of the main circuit AC-DC unit, and the fifth end of the auxiliary power supply unit is connected with the first end of the intelligent control unit; the third end of the intelligent control unit is connected with the fourth end of the main circuit AC-DC unit;
The power supply is used for supplying power to the intelligent power supply control circuit; the main circuit AC-DC unit is used for converting alternating current provided by the power supply into direct current and outputting the direct current; the leakage current detection unit is used for detecting and collecting leakage data of the intelligent power supply control circuit and transmitting the leakage data to the intelligent control unit; the auxiliary power supply unit is used for supplying power to the intelligent control unit and the main circuit AC-DC unit; the intelligent control unit is used for receiving the electric leakage data, determining fault parameters of the intelligent power supply control circuit according to the electric leakage data, and transmitting the fault parameters to the master control platform; the master control platform is used for receiving fault parameters of the intelligent power supply control circuit, determining a first control instruction corresponding to the fault parameters, issuing the first control instruction to the intelligent power supply control circuit, and adjusting the control parameters of the intelligent power supply control circuit through the first control instruction so as to solve circuit faults corresponding to the fault parameters; the master control platform is also used for receiving a second control instruction and adjusting control parameters of the intelligent power supply control circuit according to the second control instruction.
2. The intelligent power control circuit according to claim 1, wherein the intelligent power control circuit further comprises a power metering unit, wherein,
the first end of the electric quantity metering unit is respectively connected with the live wire of the power supply and the first end of the main circuit AC-DC unit, the second end of the electric quantity metering unit is respectively connected with the zero wire of the power supply and the second end of the main circuit AC-DC unit, the third end of the electric quantity metering unit is connected with the fourth end of the leakage current detection unit, and the fourth end of the electric quantity metering unit is connected with the fourth end of the intelligent control unit; the fifth end of the electric quantity metering unit is connected with the third end of the auxiliary power supply unit;
the auxiliary power supply unit is also used for supplying power to the electric quantity metering unit; the electric quantity metering unit is used for receiving the leakage data of the leakage current detection unit and transmitting the leakage data to the intelligent control unit; the electric quantity metering unit is also used for detecting and collecting operation data of the intelligent power supply control circuit and transmitting the operation data to the intelligent control unit, and the operation data comprises one or more of the following: input voltage, input current, output voltage, output current, active power, power factor, power supply working time length, over-temperature protection value, over-voltage protection value, power factor, working frequency and leakage data; the master control platform is also used for displaying or tracking the energy consumption value of a single power supply in real time, or the total power consumption of the intelligent power supply control circuit.
3. The intelligent power control circuit of claim 2, wherein the power metering unit comprises a power metering chip.
4. The intelligent power control circuit according to claim 1-3, wherein the intelligent power control circuit further comprises a fault display unit, wherein,
the first end of the fault display unit is connected with the sixth end of the auxiliary power supply unit, and the second end of the fault display unit is connected with the fifth end of the intelligent control unit;
the auxiliary power supply unit is also used for supplying power to the fault display unit; the fault display unit is used for displaying fault states when the intelligent power supply control circuit breaks down.
5. A smart power control circuit according to any one of claims 1 to 3, wherein the main circuit AC-DC unit is a flyback AC-DC circuit, or a PFC plus QR AC-DC circuit, or a PFC plus LLC AC-DC circuit, or a PFC plus LCC AC-DC circuit.
6. A control method of a smart power control circuit, applied to the smart power control circuit as claimed in any one of claims 1 to 5, comprising:
detecting and collecting target leakage data of the intelligent power supply control circuit through the leakage current detection unit, and transmitting the target leakage data to the intelligent control unit;
Detecting and collecting target operation data of the intelligent power supply control circuit through the electric quantity metering unit, and transmitting the target operation data to the intelligent control unit;
determining a target working state of the intelligent power supply control circuit according to the target electric leakage data through the intelligent control unit; the target operating state includes one of: normal working state and abnormal working state;
when the target working state is the abnormal working state, determining a target fault parameter of the intelligent power supply control circuit, and uploading the target fault parameter to the master control platform;
and issuing a target control instruction according to the target fault parameter and the target operation data through the master control platform, and adjusting the target control parameter of the intelligent power supply control circuit according to the target control instruction so as to enable the intelligent power supply control circuit to recover to the normal working state.
7. The control method according to claim 6, wherein the detecting and collecting target leakage data of the intelligent power supply control circuit by the leakage current detecting unit and transmitting the target leakage data to the intelligent control unit, comprises:
Detecting and collecting reference leakage data of the intelligent power supply control circuit through the leakage current detection unit;
transmitting the reference leakage data to the electric quantity metering unit through the leakage current detection unit;
data integration is carried out on the reference electric leakage data through the electric quantity metering unit, so that the target electric leakage data are obtained;
and transmitting the target electric leakage data to the intelligent control unit through the electric quantity metering unit.
8. The control method of claim 6, wherein determining, by the intelligent control unit, the target operating state of the intelligent power control circuit based on the target leakage data, comprises:
determining a target leakage amount corresponding to the target leakage data;
when the target electric leakage quantity is smaller than a preset electric leakage quantity, determining that the target working state is the normal working state;
and when the target electric leakage quantity is larger than or equal to the preset electric leakage quantity, determining that the target working state is the abnormal working state.
9. The control method of claim 6, wherein issuing, by the grandmaster platform, a target control command based on the target fault parameter and the target operation data, and adjusting, based on the target control command, a target control parameter of the intelligent power control circuit comprises:
Determining a reference control instruction corresponding to the target fault parameter;
determining a target control instruction optimization parameter corresponding to the target operation data;
optimizing the reference control instruction according to the target control instruction optimization parameters to obtain the target control instruction;
issuing the target control instruction to the intelligent control unit through the master control platform;
and adjusting target control parameters of the intelligent power supply control circuit according to the target control instruction through the intelligent control unit.
10. A power control device, characterized in that the device comprises a smart power control circuit according to any one of claims 1-5.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830255A (en) * | 2012-08-23 | 2012-12-19 | 王金泽 | Smart electricity meter with function of monitoring and protecting power failure |
| US20170338643A1 (en) * | 2016-05-20 | 2017-11-23 | Jiaxing Shouxin Electrical Technology Co., Ltd. | Circuit protection device with self fault detection function |
| CN211405578U (en) * | 2019-12-27 | 2020-09-01 | 湖南长高思瑞自动化有限公司 | Fault indicator with auxiliary power supply |
| CN113422363A (en) * | 2021-06-30 | 2021-09-21 | 郑州易能科技有限公司 | Intelligent parallel direct-current power supply management system |
| CN217281756U (en) * | 2022-04-08 | 2022-08-23 | 泉州市三星消防设备有限公司 | Wisdom power consumption monitored control system |
| KR20230127656A (en) * | 2022-02-25 | 2023-09-01 | 한전수 | Power management system in a cattle shed and operation method therefor |
-
2023
- 2023-12-28 CN CN202311848807.6A patent/CN117856445B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102830255A (en) * | 2012-08-23 | 2012-12-19 | 王金泽 | Smart electricity meter with function of monitoring and protecting power failure |
| US20170338643A1 (en) * | 2016-05-20 | 2017-11-23 | Jiaxing Shouxin Electrical Technology Co., Ltd. | Circuit protection device with self fault detection function |
| CN211405578U (en) * | 2019-12-27 | 2020-09-01 | 湖南长高思瑞自动化有限公司 | Fault indicator with auxiliary power supply |
| CN113422363A (en) * | 2021-06-30 | 2021-09-21 | 郑州易能科技有限公司 | Intelligent parallel direct-current power supply management system |
| KR20230127656A (en) * | 2022-02-25 | 2023-09-01 | 한전수 | Power management system in a cattle shed and operation method therefor |
| CN217281756U (en) * | 2022-04-08 | 2022-08-23 | 泉州市三星消防设备有限公司 | Wisdom power consumption monitored control system |
Non-Patent Citations (1)
| Title |
|---|
| 景皛皛: "低压电网在线监测终端的设计与实现", 《中国优秀硕士论文电子期刊网》, no. 2, 15 February 2020 (2020-02-15), pages 5 - 25 * |
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