CN116578154B - Automatic voltage tracking method and system for voltage regulator - Google Patents
Automatic voltage tracking method and system for voltage regulator Download PDFInfo
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- CN116578154B CN116578154B CN202310692530.6A CN202310692530A CN116578154B CN 116578154 B CN116578154 B CN 116578154B CN 202310692530 A CN202310692530 A CN 202310692530A CN 116578154 B CN116578154 B CN 116578154B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000033228 biological regulation Effects 0.000 claims abstract description 166
- 238000005070 sampling Methods 0.000 claims abstract description 40
- 238000012545 processing Methods 0.000 claims abstract description 23
- 230000002159 abnormal effect Effects 0.000 claims abstract description 17
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 238000010801 machine learning Methods 0.000 claims description 39
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000012549 training Methods 0.000 claims description 12
- 230000001276 controlling effect Effects 0.000 claims description 8
- 238000012795 verification Methods 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 239000013589 supplement Substances 0.000 abstract 1
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- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
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- 238000003062 neural network model Methods 0.000 description 2
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/561—Voltage to current converters
Abstract
The application discloses a voltage automatic tracking method and a system of a voltage regulator, wherein the method comprises the following steps: coupling an input sampling circuit and an output sampling circuit to a safety controller, wherein the safety controller comprises a storage module, a comparison module, a processing module, an early warning module and a control module, wherein a plurality of regulation and control plans set based on abnormal input voltage and/or output voltage of a voltage regulator are arranged in the storage module, and an emergency level for approval of each regulation and control plan and a regulation and control instruction set correspondingly based on each regulation and control plan are set for any one of the regulation and control plans; the application checks whether the voltage abnormality occurs by monitoring the voltage of the input end and the output end of the voltage regulator in real time, supplements the prior art, and safely controls the voltage of the input end and the output end of the voltage regulator when the voltage balance control is carried out on the load through the voltage regulator so as to achieve the purpose of double-layer protection.
Description
Technical Field
The application relates to the technical field of voltage regulators, in particular to an automatic voltage tracking method of a voltage regulator, and particularly relates to a method and a system for automatically tracking and regulating the voltage of the voltage regulator in real time.
Background
In industrial equipment, in order to obtain a stable voltage, a voltage regulator is generally provided between the power supply and the load, by means of which the voltage, current and power applied to the load can be regulated. In the disclosed technology, for example: the patent document with publication number of CN111722662A discloses a voltage regulating circuit and a voltage regulator, which are used for simultaneously realizing the functions of boosting and reducing voltage, simplifying the circuit structure, reducing the cost and reducing the volume of the voltage regulator. The circuit comprises: the first voltage input end, the second voltage input end, the first voltage output end, the second voltage output end, and the first switching tube bridge arm, the capacitor branch and the second switching tube bridge arm of parallel connection, the capacitor branch includes first electric capacity and the second electric capacity of series connection, the second voltage input end is connected with the second voltage output end, be connected with third electric capacity and fourth electric capacity in series between second voltage input end and the first voltage output end, first voltage input end is connected with first node and second node respectively, be connected with first inductance between the tie point of second voltage input end and third electric capacity and the third node, be connected with the second inductance between tie point of first voltage output end and fourth electric capacity and the fourth node. The step-up and step-down functions are based on real-time monitoring of the load, but the voltage regulator cannot regulate the load end due to damage of the voltage regulator or failure of voltage regulation.
Disclosure of Invention
Accordingly, the present application is directed to a voltage automatic tracking method and system for a voltage regulator.
In order to achieve the above object, the present application provides an automatic voltage tracking method for a voltage regulator, comprising the following steps:
an automatic voltage tracking method of a voltage regulator comprises the following steps:
coupling an input sampling circuit and an output sampling circuit to a safety controller, wherein the safety controller comprises a storage module, a comparison module, a processing module, an early warning module and a control module, wherein a plurality of regulation and control plans set based on abnormal input voltage and/or output voltage of a voltage regulator are arranged in the storage module, and an emergency level for approval of each regulation and control plan and a regulation and control instruction set correspondingly based on each regulation and control plan are set for any one of the regulation and control plans;
acquiring the input voltage of the input end and the output voltage of the output end of the voltage regulator in real time;
the comparison module compares the input voltage synchronously collected in the set time period with an input set threshold value, and/or the comparison module compares the output voltage synchronously collected in the set time period with an output set threshold value;
the processing module examines the difference value between the input voltage and the output voltage acquired in each time period to see whether the input voltage and the output voltage of the voltage regulator are in a safe balanced state or not;
when the input voltage synchronously collected in at least one time period is not in the input set threshold value, and/or when the output voltage synchronously collected in at least one time period is not in the output set threshold value, and the difference value between the input voltage and the output voltage in the current time period is verified to be in a safe balanced state by the processing module, the control module calls a corresponding regulation and control plan based on the deviation value of the input voltage relative to the input set threshold value, regulates the input voltage based on a control instruction corresponding to the regulation and control plan, and inputs the regulation and control plan to the early warning module to give early warning; and/or the control module calls a corresponding regulation plan based on a deviation value of the output voltage relative to the output set threshold value, and adjusts the input voltage based on a control instruction corresponding to the regulation plan; inputting the corresponding grade of the regulation plan to an early warning module to give an early warning;
and when the input voltage synchronously collected in at least one time period is not in the input set threshold value, and/or when the output voltage synchronously collected in at least one time period is not in the output set threshold value, and the difference value between the input voltage and the output voltage in the current time period is not in a safe balanced state through the verification of the processing module, the control module synchronously regulates and controls the input voltage and the output voltage according to the set balanced regulation and control scheme, so that the input voltage and the output voltage of the voltage regulator are in the safe balanced state, and then the input voltage and the output voltage are regulated and controlled according to the corresponding regulation and control scheme respectively.
The application also provides a voltage automatic tracking system of the voltage regulator, which comprises:
the voltage regulator is characterized in that an input sampling circuit and an output sampling circuit are respectively configured at the input end and the output end of the voltage regulator, the input sampling circuit is used for acquiring the input voltage of the input end of the voltage regulator in real time, and the output sampling circuit is used for acquiring the output voltage of the output end of the voltage regulator in real time;
the safety controller is arranged in the voltage regulator and couples the input sampling circuit and the output sampling circuit to the safety controller, and the safety controller comprises a storage module, a comparison module, a processing module, an early warning module and a control module;
the storage module is internally provided with a plurality of regulation and control plans set based on abnormal input voltage and/or output voltage of the voltage regulator, and for any one of the regulation and control plans, the control module is internally provided with an emergency level for each regulation and control plan examination and a regulation and control instruction correspondingly set based on each regulation and control plan;
the comparison module is used for comparing the input voltage synchronously collected in the set time period with an input set threshold value and/or comparing the output voltage synchronously collected in the set time period with an output set threshold value;
the processing module examines the difference value between the input voltage and the output voltage acquired in each time period to see whether the input voltage and the output voltage of the voltage regulator are in a safe balanced state or not;
when the input voltage and the output voltage of the voltage regulator are in a safe balanced state, in the period, the input voltage which is synchronously collected is not in an input set threshold value, and/or the output voltage which is synchronously collected is not in an output set threshold value, the control module calls a corresponding regulation plan based on a deviation value of the input voltage relative to the input set threshold value, regulates the input voltage based on a control instruction corresponding to the regulation plan, and inputs the regulation plan to the early warning module to give early warning; and/or the control module calls a corresponding regulation plan based on a deviation value of the output voltage relative to the output set threshold value, and adjusts the input voltage based on a control instruction corresponding to the regulation plan; inputting the corresponding grade of the regulation plan to an early warning module to give an early warning;
when the input voltage and the output voltage of the voltage regulator are not in a safe balanced state, the control module synchronously regulates the input voltage and the output voltage according to a set balanced regulation and control scheme, so that the input voltage and the output voltage of the voltage regulator are in the safe balanced state.
Further, the input end and the output end of the voltage regulator are respectively connected into an input end regulating circuit and an output end regulating circuit.
Further, the input end adjusting circuit and the output end adjusting circuit have the same circuit structure; all include:
a transistor connected to the control module and having an emitter, a base, and a collector;
the control module controls the base electrode based on the control instruction set correspondingly by the control plan so as to control the current flowing to the collector electrode, and the purpose of controlling the output voltage is achieved by controlling the current flowing to the collector electrode.
Further, a diode is disposed at the transistor, and the diode is connected to the control module and provides a reference voltage according to a safe equilibrium state of the voltage regulator input terminal or the voltage regulator output terminal.
Further, a machine learning system is further arranged in the safety controller, and the machine learning system is obtained by training based on historical acquired voltage regulator input voltage and/or output voltage abnormal data and corresponding emergency regulation and control schemes;
the machine learning system is connected to the control module, when the control module calls the regulation and control scheme and adjusts the input voltage or the output voltage based on a control instruction corresponding to the regulation and control scheme, an update instruction is formed in the control module, based on the update instruction, the control module correspondingly updates the input voltage and/or the output voltage of the voltage regulator acquired by the input sampling circuit and/or the output sampling circuit before the regulation and the voltage regulation in the period, the input voltage and/or the output voltage of the voltage regulator acquired by the input sampling circuit and/or the output sampling circuit after the regulation and control scheme and the voltage regulation, to the machine learning system, and trains the machine learning system and correspondingly updates the regulation and control scheme obtained by the training to the storage module.
Further, the storage module includes:
the storage table is used for storing regulation and control plans, each regulation and control plan is correspondingly provided with a storage index, and each regulation and control plan is provided with a safety value, and the corresponding emergency level is represented by the safety value;
the storage processing unit is connected with the machine learning system, receives the regulation and control scheme obtained through the training of the machine learning system from the machine learning system based on the updating instruction of the machine learning system, compares the regulation and control scheme with the regulation and control scheme in the storage table one by one to check whether the regulation and control scheme is the same or not, and if the regulation and control scheme is the same, the updating unit does not update the regulation and control scheme; if the control plans are different, assigning a safety value to the control plans based on a comparison result of the control plans in the storage table, updating the control plans in the storage table according to the assigned safety value to form a new control plan, setting a storage index for the new control plan, and synchronously updating the new control plan in the storage table;
the recording unit is connected with the control module and used for recording the number of times that each regulation and control plan in the storage table is called;
the assignment unit is connected with the recording unit, and assigns a reference value for each regulation and control plan corresponding to the number of times each regulation and control plan is called in the storage table recorded by the recording unit, and optimizes regulation and control of the voltage regulator based on the reference value.
Further, a buffer area is arranged in the storage module, and the buffer area is used for receiving the regulation and control scheme trained by the machine learning system from the machine learning system based on the update instruction of the machine learning system.
The application provides a method for automatically tracking the voltage of the input end and the output end of a voltage regulator, which checks whether the voltage abnormality occurs or not by monitoring the voltage of the input end and the output end of the voltage regulator in real time.
Drawings
FIG. 1 is a flow chart of the method of the present application;
FIG. 2 is a schematic diagram of the system framework of the present application;
FIG. 3 is a schematic diagram of the frame principle of the safety controller of the present application;
fig. 4 is a circuit diagram of an input side adjusting circuit and an output side adjusting circuit in the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Example 1
Referring to fig. 2-4, the present application further provides an automatic voltage tracking system for a voltage regulator, including:
the voltage regulator is characterized in that an input sampling circuit and an output sampling circuit are respectively configured at the input end and the output end of the voltage regulator, the input sampling circuit is used for acquiring the input voltage of the input end of the voltage regulator in real time, and the output sampling circuit is used for acquiring the output voltage of the output end of the voltage regulator in real time;
the safety controller is arranged in the voltage regulator and couples the input sampling circuit and the output sampling circuit to the safety controller, and the safety controller comprises a storage module, a comparison module, a processing module, an early warning module and a control module;
the storage module is internally provided with a plurality of regulation and control plans set based on abnormal input voltage and/or output voltage of the voltage regulator, and for any one of the regulation and control plans, the control module is internally provided with an emergency level for each regulation and control plan examination and a regulation and control instruction correspondingly set based on each regulation and control plan;
the comparison module is used for comparing the input voltage synchronously collected in the set time period with an input set threshold value and/or comparing the output voltage synchronously collected in the set time period with an output set threshold value;
the processing module examines the difference value between the input voltage and the output voltage acquired in each time period to see whether the input voltage and the output voltage of the voltage regulator are in a safe balanced state or not;
when the input voltage and the output voltage of the voltage regulator are not in a safe balanced state, the control module synchronously regulates the input voltage and the output voltage according to a set balanced regulation and control scheme so that the input voltage and the output voltage of the voltage regulator are in the safe balanced state;
when the input voltage and the output voltage of the voltage regulator are in a safe balanced state, in the period, the input voltage which is synchronously collected is not in an input set threshold value, and/or the output voltage which is synchronously collected is not in an output set threshold value, the control module calls a corresponding regulation plan based on a deviation value of the input voltage relative to the input set threshold value, regulates the input voltage based on a control instruction corresponding to the regulation plan, and inputs the regulation plan to the early warning module to give early warning; and/or the control module calls a corresponding regulation plan based on a deviation value of the output voltage relative to the output set threshold value, and adjusts the input voltage based on a control instruction corresponding to the regulation plan; and inputting the corresponding grade of the regulation plan into the early warning module to give an early warning.
In the above, in order to ensure that the voltage of the voltage regulator can be monitored in real time, the input end and the output end of the voltage regulator are respectively connected to the input end regulating circuit and the output end regulating circuit. The input end adjusting circuit and the output end adjusting circuit have the same circuit structure; all include:
a transistor connected to the control module and having an emitter, a base, and a collector;
the control module controls the base electrode based on the control instruction set correspondingly by the control plan so as to control the current flowing to the collector electrode, and the purpose of controlling the output voltage is achieved by controlling the current flowing to the collector electrode.
The transistor is provided with a diode which is connected with the control module and provides reference voltage according to the safe equilibrium state of the input end or the output end of the voltage regulator.
When the voltage of the input end of the voltage regulator is abnormal, the transistors are connected in series for circuit voltage regulation, when the voltage of the input end of the voltage regulator is increased, the base-emitter voltage is reduced, so that the conductivity of the transistor is reduced, the impedance of the transistor is increased, and the partial voltage of the transistor is increased, so that the output voltage is reduced, and the output voltage is kept constant. When the output voltage decreases, the base-emitter voltage increases, so that the conductivity of the transistor increases, the transistor resistance decreases, and the transistor partial voltage decreases, so that the output voltage increases, thereby maintaining the output voltage constant.
When the voltage of the output end of the voltage regulator is abnormal, the transistors are connected in series and used for circuit voltage regulation, when the voltage of the input end of the voltage regulator is increased, the base-emitter voltage is reduced, so that the conductivity of the transistors is reduced, the impedance of the transistors is increased, and the voltage of the transistors is increased, so that the output voltage is reduced, and the output voltage is kept constant. When the output voltage decreases, the base-emitter voltage increases, so that the conductivity of the transistor increases, the transistor resistance decreases, and the transistor partial voltage decreases, so that the output voltage increases, thereby maintaining the output voltage constant.
In the above, a machine learning system is further arranged in the safety controller, and the machine learning system is obtained by training based on historical acquired voltage regulator input voltage and/or output voltage abnormal data and corresponding emergency regulation and control schemes; the machine learning system is connected to the control module, when the control module calls the regulation and control scheme and adjusts the input voltage or the output voltage based on a control instruction corresponding to the regulation and control scheme, an update instruction is formed in the control module, based on the update instruction, the control module correspondingly updates the input voltage and/or the output voltage of the voltage regulator acquired by the input sampling circuit and/or the output sampling circuit before the regulation and the voltage regulation in the period, the input voltage and/or the output voltage of the voltage regulator acquired by the input sampling circuit and/or the output sampling circuit after the regulation and control scheme and the voltage regulation, to the machine learning system, and trains the machine learning system and correspondingly updates the regulation and control scheme obtained by the training to the storage module. In this embodiment, the machine learning system may use a neural network model as an initial learning tool, load training resources through the neural network model, and train and form the machine learning system with historical data, such as historical acquired voltage regulator input voltage and/or output voltage abnormal data and corresponding emergency regulation and control schemes, as training targets.
In the above, the storage module includes:
the storage table is used for storing regulation and control plans, each regulation and control plan is correspondingly provided with a storage index, and each regulation and control plan is provided with a safety value, and the corresponding emergency level is represented by the safety value;
the storage processing unit is connected with the machine learning system, receives the regulation and control scheme obtained through the training of the machine learning system from the machine learning system based on the updating instruction of the machine learning system, compares the regulation and control scheme with the regulation and control scheme in the storage table one by one to check whether the regulation and control scheme is the same or not, and if the regulation and control scheme is the same, the updating unit does not update the regulation and control scheme; if the control plans are different, assigning a safety value to the control plans based on a comparison result of the control plans in the storage table, updating the control plans in the storage table according to the assigned safety value to form a new control plan, setting a storage index for the new control plan, and synchronously updating the new control plan in the storage table;
the recording unit is connected with the control module and used for recording the number of times that each regulation and control plan in the storage table is called;
the assignment unit is connected with the recording unit, and assigns a reference value for each regulation and control plan corresponding to the number of times each regulation and control plan is called in the storage table recorded by the recording unit, and optimizes regulation and control of the voltage regulator based on the reference value.
Based on the description, the application carries out training and learning on the daily collected voltage abnormality data and the corresponding called regulation and control plans through the machine learning system so as to optimize the regulation and control plans in the storage module, meanwhile, for each call of the regulation and control plans, a call record is formed by a recording unit in the storage module, and the common voltage abnormality can be known in the long-term use process through the assigned reference value corresponding to the call times of each regulation and control plan, and the regulation and control plans can be optimized in a targeted manner according to the common voltage abnormality.
In order to facilitate the export of data, the application is provided with a data export interface on the safety controller, and the data in the storage module can be exported by connecting the data line to the computer through the data export interface.
In the application, a buffer area is arranged in the storage module, and the buffer area is used for receiving a regulation scheme trained by the machine learning system from the machine learning system based on the update instruction of the machine learning system.
The principle of the application is as follows: the input sampling circuit and the output sampling circuit are used for acquiring the input voltage and the output voltage of the input end and the output end of the voltage regulator in real time, and the comparison module is used for comparing the input voltage synchronously acquired in a set time period with an input set threshold value and/or comparing the output voltage synchronously acquired in the set time period with an output set threshold value; the processing module examines the difference value between the input voltage and the output voltage acquired in each time period to see whether the input voltage and the output voltage of the voltage regulator are in a safe balanced state or not;
when the input voltage and the output voltage of the voltage regulator are not in a safe balanced state, the control module synchronously regulates the input voltage and the output voltage according to a set balanced regulation and control scheme, so that the input voltage and the output voltage of the voltage regulator are in the safe balanced state.
When the input voltage and the output voltage of the voltage regulator are in a safe balanced state, in the period, the input voltage which is synchronously collected is not in an input set threshold value, and/or the output voltage which is synchronously collected is not in an output set threshold value, the control module calls a corresponding regulation plan based on a deviation value of the input voltage relative to the input set threshold value, regulates the input voltage based on a control instruction corresponding to the regulation plan, and inputs the regulation plan to the early warning module to give early warning; and/or the control module calls a corresponding regulation plan based on a deviation value of the output voltage relative to the output set threshold value, and adjusts the input voltage based on a control instruction corresponding to the regulation plan; inputting the corresponding grade of the regulation plan to an early warning module to give an early warning; when the voltage of the input end of the voltage regulator is abnormal, the transistors are connected in series for circuit voltage regulation, when the voltage of the input end of the voltage regulator is increased, the base-emitter voltage is reduced, so that the conductivity of the transistor is reduced, the impedance of the transistor is increased, and the partial voltage of the transistor is increased, so that the output voltage is reduced, and the output voltage is kept constant. When the output voltage decreases, the base-emitter voltage increases, so that the conductivity of the transistor increases, the transistor resistance decreases, and the transistor partial voltage decreases, so that the output voltage increases, thereby maintaining the output voltage constant. When the voltage of the output end of the voltage regulator is abnormal, the transistors are connected in series and used for circuit voltage regulation, when the voltage of the input end of the voltage regulator is increased, the base-emitter voltage is reduced, so that the conductivity of the transistors is reduced, the impedance of the transistors is increased, and the voltage of the transistors is increased, so that the output voltage is reduced, and the output voltage is kept constant. When the output voltage decreases, the base-emitter voltage increases, so that the conductivity of the transistor increases, the transistor resistance decreases, and the transistor partial voltage decreases, so that the output voltage increases, thereby maintaining the output voltage constant.
Example 2
Referring to fig. 1, the application further provides an automatic voltage tracking method of a voltage regulator, which comprises the following steps:
coupling an input sampling circuit and an output sampling circuit to a safety controller, wherein the safety controller comprises a storage module, a comparison module, a processing module, an early warning module and a control module, wherein a plurality of regulation and control plans set based on abnormal input voltage and/or output voltage of a voltage regulator are arranged in the storage module, and an emergency level for approval of each regulation and control plan and a regulation and control instruction set correspondingly based on each regulation and control plan are set for any one of the regulation and control plans;
acquiring the input voltage of the input end and the output voltage of the output end of the voltage regulator in real time;
the comparison module compares the input voltage synchronously collected in the set time period with an input set threshold value, and/or the comparison module compares the output voltage synchronously collected in the set time period with an output set threshold value;
the processing module examines the difference value between the input voltage and the output voltage acquired in each time period to see whether the input voltage and the output voltage of the voltage regulator are in a safe balanced state or not;
when the input voltage synchronously collected in at least one time period is not in the input set threshold value, and/or when the output voltage synchronously collected in at least one time period is not in the output set threshold value, and the difference value between the input voltage and the output voltage in the current time period is verified to be in a safe balanced state by the processing module, the control module calls a corresponding regulation and control plan based on the deviation value of the input voltage relative to the input set threshold value, regulates the input voltage based on a control instruction corresponding to the regulation and control plan, and inputs the regulation and control plan to the early warning module to give early warning; and/or the control module calls a corresponding regulation plan based on a deviation value of the output voltage relative to the output set threshold value, and adjusts the input voltage based on a control instruction corresponding to the regulation plan; inputting the corresponding grade of the regulation plan to an early warning module to give an early warning;
and when the input voltage synchronously collected in at least one time period is not in the input set threshold value, and/or when the output voltage synchronously collected in at least one time period is not in the output set threshold value, and the difference value between the input voltage and the output voltage in the current time period is not in a safe balanced state through the verification of the processing module, the control module synchronously regulates and controls the input voltage and the output voltage according to the set balanced regulation and control scheme, so that the input voltage and the output voltage of the voltage regulator are in the safe balanced state, and then the input voltage and the output voltage are regulated and controlled according to the corresponding regulation and control scheme respectively.
In the above, in order to ensure that the voltage of the voltage regulator can be monitored in real time, the input end and the output end of the voltage regulator are respectively connected to the input end regulating circuit and the output end regulating circuit. The input end adjusting circuit and the output end adjusting circuit have the same circuit structure; all include:
a transistor connected to the control module and having an emitter, a base, and a collector;
the control module controls the base electrode based on the control instruction set correspondingly by the control plan so as to control the current flowing to the collector electrode, and the purpose of controlling the output voltage is achieved by controlling the current flowing to the collector electrode.
The transistor is provided with a diode which is connected with the control module and provides reference voltage according to the safe equilibrium state of the input end or the output end of the voltage regulator.
When the voltage of the input end of the voltage regulator is abnormal, the transistors are connected in series for circuit voltage regulation, when the voltage of the input end of the voltage regulator is increased, the base-emitter voltage is reduced, so that the conductivity of the transistor is reduced, the impedance of the transistor is increased, and the partial voltage of the transistor is increased, so that the output voltage is reduced, and the output voltage is kept constant. When the output voltage decreases, the base-emitter voltage increases, so that the conductivity of the transistor increases, the transistor resistance decreases, and the transistor partial voltage decreases, so that the output voltage increases, thereby maintaining the output voltage constant.
When the voltage of the output end of the voltage regulator is abnormal, the transistors are connected in series and used for circuit voltage regulation, when the voltage of the input end of the voltage regulator is increased, the base-emitter voltage is reduced, so that the conductivity of the transistors is reduced, the impedance of the transistors is increased, and the voltage of the transistors is increased, so that the output voltage is reduced, and the output voltage is kept constant. When the output voltage decreases, the base-emitter voltage increases, so that the conductivity of the transistor increases, the transistor resistance decreases, and the transistor partial voltage decreases, so that the output voltage increases, thereby maintaining the output voltage constant.
The application provides a method for automatically tracking the voltage of the input end and the output end of a voltage regulator, which checks whether the voltage abnormality occurs or not by monitoring the voltage of the input end and the output end of the voltage regulator in real time.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The automatic voltage tracking method for the voltage regulator is characterized by comprising the following steps of:
coupling an input sampling circuit and an output sampling circuit to a safety controller, wherein the safety controller comprises a storage module, a comparison module, a processing module, an early warning module and a control module, wherein a plurality of regulation and control plans set based on abnormal input voltage and/or output voltage of a voltage regulator are arranged in the storage module, and an emergency level for approval of each regulation and control plan and a regulation and control instruction set correspondingly based on each regulation and control plan are set for any one of the regulation and control plans;
acquiring the input voltage of the input end and the output voltage of the output end of the voltage regulator in real time;
the comparison module compares the input voltage synchronously collected in the set time period with an input set threshold value, and/or the comparison module compares the output voltage synchronously collected in the set time period with an output set threshold value;
the processing module examines the difference value between the input voltage and the output voltage acquired in each time period to see whether the input voltage and the output voltage of the voltage regulator are in a safe balanced state or not;
when the input voltage synchronously collected in at least one time period is not in the input set threshold value, and/or when the output voltage synchronously collected in at least one time period is not in the output set threshold value, and the difference value between the input voltage and the output voltage in the current time period is verified to be in a safe balanced state by the processing module, the control module calls a corresponding regulation and control plan based on the deviation value of the input voltage relative to the input set threshold value, regulates the input voltage based on a control instruction corresponding to the regulation and control plan, and inputs the regulation and control plan to the early warning module to give early warning; and/or the control module calls a corresponding regulation plan based on a deviation value of the output voltage relative to the output set threshold value, and adjusts the input voltage based on a control instruction corresponding to the regulation plan; inputting the corresponding grade of the regulation plan to an early warning module to give an early warning;
and when the input voltage synchronously collected in at least one time period is not in the input set threshold value, and/or when the output voltage synchronously collected in at least one time period is not in the output set threshold value, and the difference value between the input voltage and the output voltage in the current time period is not in a safe balanced state through the verification of the processing module, the control module synchronously regulates and controls the input voltage and the output voltage according to the set balanced regulation and control scheme, so that the input voltage and the output voltage of the voltage regulator are in the safe balanced state, and then the input voltage and the output voltage are regulated and controlled according to the corresponding regulation and control scheme respectively.
2. An automatic voltage tracking system for a voltage regulator, comprising:
the voltage regulator is characterized in that an input sampling circuit and an output sampling circuit are respectively configured at the input end and the output end of the voltage regulator, the input sampling circuit is used for acquiring the input voltage of the input end of the voltage regulator in real time, and the output sampling circuit is used for acquiring the output voltage of the output end of the voltage regulator in real time;
the safety controller is arranged in the voltage regulator and couples the input sampling circuit and the output sampling circuit to the safety controller, and the safety controller comprises a storage module, a comparison module, a processing module, an early warning module and a control module;
the storage module is internally provided with a plurality of regulation and control plans set based on abnormal input voltage and/or output voltage of the voltage regulator, and for any one of the regulation and control plans, the control module is internally provided with an emergency level for each regulation and control plan examination and a regulation and control instruction correspondingly set based on each regulation and control plan;
the comparison module is used for comparing the input voltage synchronously collected in the set time period with an input set threshold value and/or comparing the output voltage synchronously collected in the set time period with an output set threshold value;
the processing module examines the difference value between the input voltage and the output voltage acquired in each time period to see whether the input voltage and the output voltage of the voltage regulator are in a safe balanced state or not;
when the input voltage and the output voltage of the voltage regulator are in a safe balanced state, in the period, the input voltage which is synchronously collected is not in an input set threshold value, and/or the output voltage which is synchronously collected is not in an output set threshold value, the control module calls a corresponding regulation plan based on a deviation value of the input voltage relative to the input set threshold value, regulates the input voltage based on a control instruction corresponding to the regulation plan, and inputs the regulation plan to the early warning module to give early warning; and/or the control module calls a corresponding regulation plan based on a deviation value of the output voltage relative to the output set threshold value, and adjusts the input voltage based on a control instruction corresponding to the regulation plan; inputting the corresponding grade of the regulation plan to an early warning module to give an early warning;
when the input voltage and the output voltage of the voltage regulator are not in a safe balanced state, the control module synchronously regulates the input voltage and the output voltage according to a set balanced regulation and control scheme, so that the input voltage and the output voltage of the voltage regulator are in the safe balanced state.
3. The automatic voltage tracking system of claim 2, wherein the input and output terminals of the voltage regulator are connected to the input and output terminal adjusting circuits, respectively.
4. The automatic voltage tracking system of a voltage regulator according to claim 3, wherein the input terminal adjusting circuit and the output terminal adjusting circuit have the same circuit structure; all include:
a transistor connected to the control module and having an emitter, a base, and a collector;
the control module controls the base electrode based on the control instruction set correspondingly by the control plan so as to control the current flowing to the collector electrode, and the purpose of controlling the output voltage is achieved by controlling the current flowing to the collector electrode.
5. The automatic voltage tracking system of claim 4, wherein a diode is provided at the transistor, the diode being connected to the control module and providing the reference voltage based on a safe equilibrium state of the voltage regulator input or the voltage regulator output.
6. The automatic voltage tracking system of the voltage regulator according to claim 2, wherein a machine learning system is further arranged in the safety controller, and the machine learning system is obtained by training based on historic acquired abnormal data of input voltage and/or output voltage of the voltage regulator and a corresponding emergency regulation and control scheme;
the machine learning system is connected to the control module, when the control module calls the regulation and control scheme and adjusts the input voltage or the output voltage based on a control instruction corresponding to the regulation and control scheme, an update instruction is formed in the control module, based on the update instruction, the control module correspondingly updates the input voltage and/or the output voltage of the voltage regulator acquired by the input sampling circuit and/or the output sampling circuit before the regulation and the voltage regulation in the period, the input voltage and/or the output voltage of the voltage regulator acquired by the input sampling circuit and/or the output sampling circuit after the regulation and control scheme and the voltage regulation, to the machine learning system, and trains the machine learning system and correspondingly updates the regulation and control scheme obtained by the training to the storage module.
7. The automatic voltage tracking system of a voltage regulator according to claim 2, wherein the memory module comprises:
the storage table is used for storing regulation and control plans, each regulation and control plan is correspondingly provided with a storage index, and each regulation and control plan is provided with a safety value, and the corresponding emergency level is represented by the safety value;
the storage processing unit is connected with the machine learning system, receives the regulation and control scheme obtained through the training of the machine learning system from the machine learning system based on the updating instruction of the machine learning system, compares the regulation and control scheme with the regulation and control scheme in the storage table one by one to check whether the regulation and control scheme is the same or not, and if the regulation and control scheme is the same, the updating unit does not update the regulation and control scheme; if the control plans are different, assigning a safety value to the control plans based on a comparison result of the control plans in the storage table, updating the control plans in the storage table according to the assigned safety value to form a new control plan, setting a storage index for the new control plan, and synchronously updating the new control plan in the storage table;
the recording unit is connected with the control module and used for recording the number of times that each regulation and control plan in the storage table is called;
the assignment unit is connected with the recording unit, and assigns a reference value for each regulation and control plan corresponding to the number of times each regulation and control plan is called in the storage table recorded by the recording unit, and optimizes regulation and control of the voltage regulator based on the reference value.
8. The automatic voltage tracking system of claim 2 or 7, wherein a buffer is provided in the storage module, and the buffer is configured to receive a regulation scheme trained by the machine learning system from the machine learning system based on an update instruction of the machine learning system.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201047915Y (en) * | 2007-06-11 | 2008-04-16 | 程杰保 | Power source regulation tube output and input voltage autotracking |
| CN101662221A (en) * | 2008-08-25 | 2010-03-03 | 程杰保 | High-efficiency linear power supply module |
| CN103312150A (en) * | 2013-05-21 | 2013-09-18 | 东南大学 | Voltage balancing control method of input-series and output-parallel combined converter |
| CN104577228A (en) * | 2014-12-25 | 2015-04-29 | 杭州协能科技有限公司 | System for detecting and trimming voltage deviation of battery equalization modules |
| CN207601668U (en) * | 2017-12-21 | 2018-07-10 | 北京比特大陆科技有限公司 | Programmable voltage clamp circuit |
| CN111399579A (en) * | 2020-04-30 | 2020-07-10 | 河北新华北集成电路有限公司 | Constant voltage difference generating circuit and driving device |
| CN111722662A (en) * | 2020-05-11 | 2020-09-29 | 西安图为软件科技有限公司 | Voltage regulating circuit and voltage regulator |
| CN116048178A (en) * | 2023-02-01 | 2023-05-02 | 上海艾为电子技术股份有限公司 | Current-limiting protection circuit, chip and electronic equipment based on temperature |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1632827B1 (en) * | 2004-08-27 | 2007-05-23 | Infineon Technologies AG | Control circuit for current mode buck converter |
| CN112886666B (en) * | 2021-02-08 | 2022-11-29 | 重庆大学 | Distributed active equalization method suitable for cascaded lithium battery pack |
-
2023
- 2023-06-13 CN CN202310692530.6A patent/CN116578154B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201047915Y (en) * | 2007-06-11 | 2008-04-16 | 程杰保 | Power source regulation tube output and input voltage autotracking |
| CN101662221A (en) * | 2008-08-25 | 2010-03-03 | 程杰保 | High-efficiency linear power supply module |
| CN103312150A (en) * | 2013-05-21 | 2013-09-18 | 东南大学 | Voltage balancing control method of input-series and output-parallel combined converter |
| CN104577228A (en) * | 2014-12-25 | 2015-04-29 | 杭州协能科技有限公司 | System for detecting and trimming voltage deviation of battery equalization modules |
| CN207601668U (en) * | 2017-12-21 | 2018-07-10 | 北京比特大陆科技有限公司 | Programmable voltage clamp circuit |
| CN111399579A (en) * | 2020-04-30 | 2020-07-10 | 河北新华北集成电路有限公司 | Constant voltage difference generating circuit and driving device |
| CN111722662A (en) * | 2020-05-11 | 2020-09-29 | 西安图为软件科技有限公司 | Voltage regulating circuit and voltage regulator |
| CN116048178A (en) * | 2023-02-01 | 2023-05-02 | 上海艾为电子技术股份有限公司 | Current-limiting protection circuit, chip and electronic equipment based on temperature |
Non-Patent Citations (1)
| Title |
|---|
| 模块化输入串联输出串联高压直流组合系统分布式均压控制策略;陈武;曹远志;崔红芬;王广江;何晓坤;;电工技术学报(第03期);全文 * |
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