CN115441722A - Power management chip and control system - Google Patents
Power management chip and control system Download PDFInfo
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- CN115441722A CN115441722A CN202210832901.1A CN202210832901A CN115441722A CN 115441722 A CN115441722 A CN 115441722A CN 202210832901 A CN202210832901 A CN 202210832901A CN 115441722 A CN115441722 A CN 115441722A
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- 238000004891 communication Methods 0.000 claims description 12
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- 238000003062 neural network model Methods 0.000 claims description 7
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
- H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for DC applications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/1213—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for DC-DC converters
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- Control Of Voltage And Current In General (AREA)
Abstract
The invention discloses a power management chip and a control system, which comprise a logic control unit, wherein the input end of the logic control unit is respectively connected with a temperature protection unit, a PWM (pulse width modulation) controller and a PFM (pulse frequency modulation) controller; and the oscillator is connected to the input end of the PWM controller, and the input end of the PWM controller is connected with an error amplifier. The power management chip and the control system can realize mixed use of two modulation modes of PWM and PFM by the PWM controller and the PFM controller which are arranged, and can be selectively used according to the load quantity, thereby realizing the conversion work of the DC power level, and avoiding the problem of circuit fluctuation caused by the change of the load quantity.
Description
Technical Field
The invention relates to the technical field of chips, in particular to a power management chip and a control system.
Background
The power management chip is a chip which plays roles of conversion, distribution, detection and other electric energy management of electric energy in an electronic equipment system, and is mainly responsible for identifying the power supply amplitude of a CPU (central processing unit), generating corresponding short moment waves and pushing a rear-stage circuit to output power.
The conventional power management chip is difficult to reasonably distribute when supplying power to a plurality of loads, and the circuit is unstable when the load is light.
Disclosure of Invention
The present invention is directed to a power management chip and a control system, so as to solve the problems of the prior art that it is difficult to perform reasonable distribution when the power management chip supplies power to a plurality of loads, and the circuit is unstable when the load is light.
In order to achieve the purpose, the invention provides the following technical scheme: a power management chip and control system, comprising:
the input end of the logic control unit is respectively connected with a temperature protection unit, a PWM (pulse width modulation) controller and a PFM (pulse frequency modulation) controller;
the oscillator is connected to the input end of the PWM controller, and the input end of the PWM controller is connected with an error amplifier;
and the current limiting protection unit is connected to the input end of the oscillator.
Preferably, the current-limiting protection unit, the oscillator, the PWM controller and the logic control unit are sequentially connected in series electrically.
Preferably, the PWM controller and the PFM controller are electrically connected in parallel, and the PFM controller and the logic control unit are electrically connected in series.
Preferably, the error amplifier and the PWM controller are electrically connected in series, and the logic control unit and the temperature protection unit are electrically connected in series.
Preferably, the output end of the database is connected with a control module, and the output end of the control module is connected with a communication module;
the power management module is connected to the output end of the communication module, the output end of the power management module is connected with a load, and the output end of the load is connected with a counting unit;
and the terminal is connected to the output end of the power management module.
Preferably, the terminal comprises a plurality of loads, and the loads are electrically connected in parallel.
Preferably, the load, the counting unit and the control module are sequentially and electrically connected in series.
Preferably, the control module, the communication module and the power management module are sequentially and electrically connected in series.
Preferably, the power management module, the load and the control module are sequentially connected in series electrically.
Preferably, the database and the control module are electrically connected in series.
Preferably, a power management chip further comprises: the integrated power supply feedback module and the integrated power distribution adjusting module;
the integrated power supply feedback module comprises a stable current feedback circuit and a stable voltage feedback circuit;
the integrated power supply feedback module acquires a current signal of power distribution of the electric equipment through the stable current feedback circuit and acquires a voltage signal of power distribution of the electric equipment through the stable voltage feedback circuit;
the integrated power distribution adjusting module comprises a voltage adjusting circuit and a current adjusting circuit;
the integrated power distribution adjusting module acquires a current signal and a voltage signal, and adjusts the current and the voltage of the current power distribution of the electric equipment according to a preset power distribution mode through the voltage adjusting circuit and the current adjusting circuit.
Preferably, a power management control system further includes: the load monitoring module is used for monitoring the working state of the load, generating a corresponding control instruction according to a monitoring result and sending the control instruction to the power management module;
the power management module performs corresponding operation on the load according to the control instruction;
the load monitoring module performs operations comprising:
collecting electric energy data of a load under a steady state, wherein the electric energy data comprises voltage data, current data and a corresponding relation between the voltage data and the current data;
respectively carrying out median filtering processing and mean filtering processing on the electric energy data to obtain filtered electric energy data;
sampling the filtered electric energy data to obtain sampled electric energy data, wherein the sampled electric energy data comprises sampled voltage data, sampled current data and a corresponding relation between the sampled voltage data and the sampled current data;
the voltage data is used as reference data, complete sampling voltage data of a preset complete period in the sampling voltage data is obtained, and complete sampling current data corresponding to the complete sampling voltage data in the sampling electric energy data is obtained;
respectively superposing the preset complete sampling voltage data and the preset complete sampling current data and then calculating the average value of the superposed complete sampling voltage data and the preset complete sampling current data to obtain new voltage data and new current data of a new complete period;
averagely dividing the new voltage data and the new current data into a plurality of groups of voltage subdata and current subdata according to a preset division rule;
acquiring a first group of voltage data in the plurality of groups of voltage subdata as a first abscissa, acquiring a first group of current data in the plurality of groups of current subdata as a first ordinate, and establishing a current-voltage change diagram of a first period;
acquiring a second group of voltage data in the plurality of groups of voltage subdata as a second abscissa, acquiring a second group of current data in the plurality of groups of current subdata as a second ordinate, and establishing a current-voltage change diagram of a second period;
continuously acquiring a current-voltage change diagram of each period until the last group of voltage data in the plurality of groups of voltage subdata is acquired as a tail abscissa, the last group of current data in the plurality of groups of current subdata is acquired as a tail ordinate, and the current-voltage change diagram of the last period is established;
generating a current-voltage change diagram of a complete cycle according to the current-voltage change diagram of the first cycle to the current-voltage change diagram of the last cycle;
respectively carrying out image normalization processing and image binarization processing on each frame of image in the current-voltage change diagram of the complete period, and carrying out image superposition processing on each processed frame of current-voltage change diagram to obtain a period superposition diagram;
inputting the periodic overlay graph into a pre-trained neural network model to obtain the working state of a load;
and generating a corresponding control instruction according to the working state and sending the control instruction to the power management module.
Compared with the prior art, the invention provides a power management chip and a control system, which have the following beneficial effects: according to the power management chip and the control system, the PWM controller and the PFM controller are arranged, so that the power management chip can realize mixed use of two modulation modes of PWM and PFM, and can be selectively used according to the load quantity, thereby realizing the conversion work of the DC power level, and avoiding the problem of circuit fluctuation caused by the change of the load quantity;
the error amplifier in the power management chip can amplify the difference value between the feedback voltage and the rated reference voltage so as to send a duty ratio signal to the PWM controller, the PWM controller is used for finishing the modulation work of the voltage, the power management chip also comprises a current-limiting protection unit and a temperature protection unit, the power management chip can be protected, when the temperature is higher than a limit value, the chip stops working immediately, and the current-limiting protection unit can effectively protect the chip when the output of the current-limiting protection unit is short-circuited;
the counting unit is additionally arranged in the power management control system, the used loads can be monitored and counted, so that the corresponding modulation mode is selected according to the obtained load quantity, the problem of circuit fluctuation caused by the change of the load quantity is avoided, meanwhile, the control module can be adjusted according to a set value in a database, the required voltage and the output voltage of the corresponding loads do not need to be repeatedly debugged, and the output voltage value of the power management module is quickly matched with the required voltage value of the loads.
Drawings
FIG. 1 is a flowchart illustrating the operation of a power management chip according to the present invention;
FIG. 2 is a flowchart illustrating the operation of the power management control system of the present invention;
fig. 3 is a flowchart of the operation of the terminal of the present invention.
In the figure: 1. a logic control unit; 2. a temperature protection unit; 3. an error amplifier; 4. a current limiting protection unit; 5. an oscillator; 6. a PWM controller; 7. a PFM controller; 8. a database; 9. a control module; 10. a load; 11. a counting unit; 12. a power management module; 13. a communication module; 14. and (4) a terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a power management chip includes: the input end of the logic control unit 1 is respectively connected with a temperature protection unit 2, a PWM controller 6 and a PFM controller 7, and the current-limiting protection unit 4, the oscillator 5, the PWM controller 6 and the logic control unit 1 are sequentially connected in series electrically; the oscillator 5 is connected to the input end of the PWM controller 6, the input end of the PWM controller 6 is connected with the error amplifier 3, the PWM controller 6 is electrically connected with the PFM controller 7 in parallel, the PFM controller 7 is electrically connected with the logic control unit 1 in series, the error amplifier 3 in the power management chip can amplify the difference value between the feedback voltage and the rated reference voltage, so as to send a duty ratio signal to the PWM controller 6, the PWM controller 6 is used for completing the modulation work of the voltage, the power management chip also comprises a current-limiting protection unit 4 and a temperature protection unit 2, the power management chip can be protected, when the temperature is higher than a limit value, the chip stops working immediately, and the current-limiting protection unit 4 can effectively protect the chip when the output short circuit condition occurs; the current-limiting protection unit 4 is connected to the input end of the oscillator 5, the error amplifier 3 is electrically connected in series with the PWM controller 6, the logic control unit 1 is electrically connected in series with the temperature protection unit 2, and the PWM controller 6 and the PFM controller 7 are arranged, so that the power management chip can realize mixed use of two modulation modes of PWM and PFM, and can be selectively used according to the number of the loads 10, thereby realizing the conversion work of the DC power level, and avoiding the problem of circuit fluctuation caused by the change of the number of the loads 10.
As shown in fig. 2 and 3, a power management control system includes: the output end of the database 8 is connected with the control module 9, the output end of the control module 9 is connected with the communication module 13, the control module 9, the communication module 13 and the power management module 12 are sequentially electrically connected in series, and the database 8 and the control module 9 are electrically connected in series; the power management module 12 is connected to the output end of the communication module 13, the output end of the power management module 12 is connected with the load 10, the output end of the load 10 is connected with the counting unit 11, and the load 10, the counting unit 11 and the control module 9 are sequentially electrically connected in series; a terminal 14 connected to the output end of the power management module 12, the terminal 14 includes a plurality of loads 10, and the loads 10 are electrically connected in parallel, a counting unit 11 is added in the power management control system, which can monitor and count the used loads 10, thereby selecting the corresponding modulation mode according to the obtained number of the loads 10, avoiding the problem of circuit fluctuation caused by the change of the number of the loads 10, and meanwhile, the control module 9 can adjust according to the set value in the database 8, without repeatedly debugging the required voltage and output voltage of the corresponding loads 10, so that the output voltage value of the power management module 12 is rapidly matched with the required voltage value of the loads 10.
The working principle is as follows: when using the power management chip and the control system, first, the power management chip is connected to each load 10 in the terminal 14; secondly, the database 8 transmits the information to the control module 9, the control module 9 transmits the voltage signal required by each load 10 to the power management module 12 through the communication module 13, the logic control unit 1 in the power management module 12 modulates the output voltage, so that the output voltage value is matched with the required voltage value, the power management module 12 supplies power to each load 10, the loads 10 respectively judge the output voltage through the control module 9, and if the output voltage is the same as the voltage value of the load 10, the loads 10 normally work; then, signals are sent to the corresponding counting units 11 simultaneously, so that the counting units 11 add one, the counting units 11 transmit the working quantity of the loads 10 to the control module 9, the control module 9 transmits the working quantity to the logic control unit 1 through the communication module 13, and the logic control unit 1 judges and selects to use the PWM controller 6 and the PFM controller 7 according to the working quantities of different loads 10, so that the adjustment work of the circuit is completed; finally, in the working process of the power management chip, the temperature protection unit 2 and the current-limiting protection unit 4 can protect the power management chip, when the temperature is higher than a limit value, the chip stops working immediately, and the current-limiting protection unit 4 can effectively protect the chip when the output is in a short circuit condition, which is the working principle of the power management chip and the control system.
In one embodiment, a power management chip further comprises: the power supply feedback module and the power distribution adjustment module are integrated;
the integrated power supply feedback module comprises a stable current feedback circuit and a stable voltage feedback circuit;
the integrated power supply feedback module acquires a current signal distributed by the electric equipment through the stable current feedback circuit and acquires a voltage signal distributed by the electric equipment through the stable voltage feedback circuit;
the integrated power distribution regulation module comprises a voltage regulation circuit and a current regulation circuit;
the integrated power distribution adjusting module acquires a current signal and a voltage signal, and adjusts the current and voltage of the current power distribution of the electric equipment according to a preset power distribution mode through the voltage adjusting circuit and the current adjusting circuit;
the working principle of the technical scheme is as follows: the power management chip is further integrated with an integrated power supply feedback module and an integrated power distribution adjusting module, wherein the integrated power supply feedback module comprises a stable current feedback circuit, a stable voltage feedback circuit and a transistor, the transistor is connected with the integrated power supply feedback module, the transistor preferably comprises a first electrode, a second electrode and a third electrode, the first electrode is used for receiving signals, the second electrode is used for outputting signals, the stable current feedback circuit or the stable voltage feedback circuit preferably comprises an impedance and a comparator, the impedance is respectively coupled with a voltage source and the third electrode in the transistor body, and the comparator is coupled with the impedance; the integrated power supply feedback module is used for acquiring a current signal fed back by the stable current feedback circuit and a voltage signal fed back by the stable voltage feedback circuit; the integrated power supply feedback module acquires a current signal of power distribution of the electric equipment through the stable current feedback circuit and acquires a voltage signal of power distribution of the electric equipment through the stable voltage feedback circuit; the integrated power distribution regulation module comprises a voltage regulation circuit and a current regulation circuit, and regulates the current and voltage distributed by the electric equipment according to a preset power distribution mode after acquiring the current signal and the voltage signal fed back by the integrated power supply feedback module, wherein the preset power distribution mode is preferably set according to the type of the common electric equipment of the chip when the chip leaves a factory, for example, if the chip is commonly used in household appliances, the preset power distribution mode preferably sets the voltage and the current to be in accordance with the voltage and the current range of the common commercial power, preferably, the current feedback current signal and the current feedback voltage signal are higher than a preset power distribution mode, actual power distribution current and actual power distribution voltage are reduced according to a voltage adjusting circuit and a current adjusting circuit, if the current feedback current signal and the current feedback voltage signal are lower than the preset power distribution mode, the actual power distribution current and the actual power distribution voltage are amplified according to the voltage adjusting circuit and the current adjusting circuit, and if the current feedback current signal and the current feedback voltage signal are lower than the preset power distribution mode, operation is not performed;
the beneficial effects of the above technical scheme are: through integrated power supply feedback module, be of value to and monitor the distribution condition of current consumer in real time, through integrated distribution adjustment module, be of value to and carry out timely adjustment to the distribution that has the consumer of unusual distribution, thereby prevent to lead to the consumer to destroy because of the distribution is unusual and cause the loss to the user.
In one embodiment, a power management control system further comprises: the load monitoring module is used for monitoring the working state of the load 10, generating a corresponding control instruction according to a monitoring result and sending the control instruction to the power management module 12;
the power management module 12 performs corresponding operations on the load 10 according to the control instruction;
the load monitoring module performs operations comprising:
collecting electric energy data of a load under a steady state, wherein the electric energy data comprises voltage data, current data and a corresponding relation between the voltage data and the current data;
respectively carrying out median filtering processing and mean filtering processing on the electric energy data to obtain filtered electric energy data;
sampling the filtered electric energy data to obtain sampled electric energy data, wherein the sampled electric energy data comprises sampled voltage data, sampled current data and a corresponding relation between the sampled voltage data and the sampled current data;
the voltage data is used as reference data, complete sampling voltage data of a preset complete period in the sampling voltage data is obtained, and complete sampling current data corresponding to the complete sampling voltage data in the sampling electric energy data is obtained;
respectively superposing the preset complete sampling voltage data and the preset complete sampling current data and then calculating the average value of the superposed complete sampling voltage data and the preset complete sampling current data to obtain new voltage data and new current data of a new complete period;
averagely dividing the new voltage data and the new current data into a plurality of groups of voltage subdata and current subdata according to a preset division rule;
acquiring a first group of voltage data in the plurality of groups of voltage subdata as a first abscissa, acquiring a first group of current data in the plurality of groups of current subdata as a first ordinate, and establishing a current-voltage change diagram of a first period;
acquiring a second group of voltage data in the plurality of groups of voltage subdata as a second abscissa, acquiring a second group of current data in the plurality of groups of current subdata as a second ordinate, and establishing a current-voltage change diagram of a second period;
continuously acquiring a current-voltage change diagram of each period until a last group of voltage data in a plurality of groups of voltage subdata is acquired as an end horizontal coordinate, acquiring a last group of current data in a plurality of groups of current subdata as an end vertical coordinate, and establishing a current-voltage change diagram of the last period;
generating a current-voltage change diagram of a complete cycle according to the current-voltage change diagram of the first cycle to the current-voltage change diagram of the last cycle;
respectively carrying out image normalization processing and image binarization processing on each frame of image in the current-voltage change diagram of the complete period, and carrying out image superposition processing on each processed frame of current-voltage change diagram to obtain a period superposition diagram;
inputting the periodic overlay graph into a pre-trained neural network model to obtain the working state of the load;
generating a corresponding control instruction according to the working state and sending the control instruction to the power management module 12;
the working principle of the technical scheme is as follows: the load monitoring module monitors the working state of a load by combining a neural network model, and generates a corresponding control instruction according to a monitoring result for a power management module to correspondingly operate the load, wherein the load monitoring module firstly collects electric energy data of the load in a steady state, the electric energy data comprises voltage data, current data and a corresponding relation of the voltage data and the current data, the corresponding relation of the voltage data and the current data refers to a one-to-one corresponding relation of the voltage data and the current data at the same moment in the steady state, the electric energy data is respectively subjected to median filtering processing and mean filtering processing to reduce errors, filtered electric energy data is obtained, the filtered electric energy data is sampled to obtain sampled electric energy data, the sampled electric energy data comprises sampled voltage data, sampled current data, a corresponding relation between the sampled voltage data and the sampled current data, the corresponding relation between the sampled voltage data and the sampled current data refers to a one-to-one corresponding relation between the sampled voltage data and the sampled current data at the same moment in a steady state, the originally acquired voltage data is used as reference data to acquire complete sampled voltage data of a preset complete period in the sampled voltage data, the preset number is preferably 8, complete sampled current data corresponding to the complete sampled voltage data in the sampled electric energy data is acquired based on the corresponding relation between the sampled voltage data and the sampled current data, and then the preset complete sampled voltage data and the preset complete sampled current data are respectively superposed to obtain the complete sampled voltage data and the complete sampled current dataThe method comprises the following steps of obtaining an average value of new voltage data and new current data of a new complete cycle, averagely dividing the new voltage data and the new current data into a plurality of groups of voltage subdata and current subdata according to a preset division rule, preferably selecting the average division rule, preferably selecting the new voltage data and the new current data into five groups of voltage subdata and current subdata, wherein the division is beneficial to improving the sampling precision to the maximum degree while reducing the division times, obtaining a first group of voltage data in the five groups of voltage subdata as a first horizontal coordinate, obtaining a first group of current data in the five groups of current subdata as a first vertical coordinate, establishing a current-voltage change diagram of a first cycle, repeating the steps to obtain a current-voltage change diagram of five cycles, generating a current-voltage change diagram of a complete cycle according to the current-voltage change diagram of the five cycles, then respectively carrying out image normalization processing and image binarization processing on each frame image in the current-voltage change diagram of the complete cycle, carrying out image superposition processing on each frame image-voltage change diagram of each processed frame image to obtain a superposition cycle, improving the load monitoring and then inputting each frame image into a neural network training model in advance, and preferably comprising a neural load training process: 1. collecting voltage data and current data of various types of loads in a steady state as a data set; 2. filtering and sampling the data in the data set to obtain processed voltage data and current data; 3. generating a plurality of frames of current-voltage change graphs of the load at different moments according to the current data and the voltage data, performing image memorability normalization processing and binarization processing on each frame in the current-voltage change graphs to obtain a plurality of frames of processed current-voltage change graphs, and inputting the plurality of frames of processed current-voltage change graphs into an initial 3D convolutional neural network; 4. updating and optimizing each layer of weight parameters in the 3D convolutional neural network to obtain a new 3D convolutional neural network, and performing iterative training on the new 3D convolutional neural network until the loss function of the new 3D convolutional neural network reaches the minimum, wherein the new 3D convolutional neural network has the minimum loss functionThe loss function across the network is preferably:
where P is the loss function of the new 3D convolutional neural network, N is the total number of voltage data and current data samples of the data set,
2 is the number of voltage data and current data classes of the data set, y n，m Is the real result corresponding to the nth training sample in the mth class, f is the regularization degree, x n，m Inputting the prediction result of the 3D convolutional neural network for the nth training sample in the mth class,
2 in (A) represents a square, T n，m Corresponding weight parameters when the 3D convolutional neural network is input for the nth training sample in the mth class; 5. performing iterative verification on the 3D convolutional neural network after iterative training by using the data set in the step 1 until the obtained classification precision reaches the optimal value, thereby obtaining a trained neural network model; compared with other convolutional neural model training methods, the model training method is beneficial to improving the classification precision of the load working state; further inputting the periodic overlay graph into the neural network model to obtain the working state of the load, generating a corresponding control instruction according to the working state and sending the control instruction to the power management module;
the beneficial effects of the above technical scheme are: through load detection module, monitor the operating condition of each load in real time, power management module can't in time allocate the power that leads to overload or other abnormal load to make power management control system's power distribution ability weaken to this load when being of value to preventing the operating condition of certain load from being unusual, judges the operating condition of load through combining 3D convolution neural network model, is of value to improving the monitoring precision greatly when reducing the monitoring cost.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A power management chip, comprising:
the device comprises a logic control unit (1), wherein the input end of the logic control unit (1) is respectively connected with a temperature protection unit (2), a PWM controller (6) and a PFM controller (7);
the oscillator (5) is connected with the input end of the PWM controller (6), and the input end of the PWM controller (6) is connected with the error amplifier (3);
and the current-limiting protection unit (4) is connected with the input end of the oscillator (5).
2. The power management chip according to claim 1, wherein the current limiting protection unit (4), the oscillator (5), the PWM controller (6) and the logic control unit (1) are electrically connected in series in sequence.
3. The power management chip according to claim 1, wherein the PWM controller (6) and the PFM controller (7) are electrically connected in parallel, and the PFM controller (7) and the logic control unit (1) are electrically connected in series; the error amplifier (3) is electrically connected with the PWM controller (6) in series, and the logic control unit (1) is electrically connected with the temperature protection unit (2) in series.
4. The power management chip of claim 1, further comprising: the integrated power supply feedback module and the integrated power distribution adjusting module;
the integrated power supply feedback module comprises a stable current feedback circuit and a stable voltage feedback circuit;
acquiring a current signal of power distribution of the electric equipment through the stable current feedback circuit, and acquiring a voltage signal of power distribution of the electric equipment through the stable voltage feedback circuit;
the integrated power distribution regulation module comprises a voltage regulation circuit and a current regulation circuit;
the integrated power distribution adjusting module acquires a current signal and a voltage signal, and adjusts the current and the voltage of the current power distribution of the electric equipment according to a preset power distribution mode through the voltage adjusting circuit and the current adjusting circuit.
5. A power management control system, comprising:
the system comprises a database (8), wherein the output end of the database (8) is connected with a control module (9), and the output end of the control module (9) is connected with a communication module (13);
the power supply management module (12) is connected to the output end of the communication module (13), the output end of the power supply management module (12) is connected with a load (10), and the output end of the load (10) is connected with a counting unit (11);
a terminal (14) connected to an output of the power management module (12).
6. The power management control system according to claim 5, wherein the terminal (14) comprises a plurality of loads (10), and the loads (10) are electrically connected in parallel.
7. The power management control system according to claim 5, wherein the load (10), the counting unit (11) and the control module (9) are electrically connected in series in sequence.
8. The power management control system according to claim 5, wherein the control module (9), the communication module (13) and the power management module (12) are electrically connected in series in sequence.
9. The power management control system according to claim 5, wherein the power management module (12), the load (10) and the control module (9) are electrically connected in series in sequence; the database (8) and the control module (9) are electrically connected in series.
10. The power management control system of claim 5,
further comprising: the load monitoring module is used for monitoring the working state of the load (10), generating a corresponding control instruction according to a monitoring result and sending the control instruction to the power management module (12);
the power supply management module (12) performs corresponding operation on the load (10) according to the control instruction;
the load monitoring module performs operations comprising:
collecting electric energy data of a load under a steady state, wherein the electric energy data comprises voltage data, current data and a corresponding relation between the voltage data and the current data;
respectively carrying out median filtering processing and mean filtering processing on the electric energy data to obtain filtered electric energy data;
sampling the filtered electric energy data to obtain sampled electric energy data, wherein the sampled electric energy data comprises sampled voltage data, sampled current data and a corresponding relation between the sampled voltage data and the sampled current data;
taking the voltage data as reference data, acquiring complete sampling voltage data of a preset complete period in the sampling voltage data, and acquiring complete sampling current data corresponding to the complete sampling voltage data in the sampling electric energy data;
respectively superposing the preset complete sampling voltage data and the preset complete sampling current data and then calculating the average value of the superposed complete sampling voltage data and the preset complete sampling current data to obtain new voltage data and new current data of a new complete period;
averagely dividing the new voltage data and the new current data into a plurality of groups of voltage subdata and current subdata according to a preset dividing rule;
acquiring a first group of voltage data in the plurality of groups of voltage subdata as a first abscissa, acquiring a first group of current data in the plurality of groups of current subdata as a first ordinate, and establishing a current-voltage change diagram of a first period;
acquiring a second group of voltage data in the plurality of groups of voltage subdata as a second abscissa, acquiring a second group of current data in the plurality of groups of current subdata as a second ordinate, and establishing a current-voltage change diagram of a second period;
continuously acquiring a current-voltage change diagram of each period until a last group of voltage data in a plurality of groups of voltage subdata is acquired as an end horizontal coordinate, acquiring a last group of current data in the plurality of groups of current subdata as an end vertical coordinate, and establishing a current-voltage change diagram of a last period;
generating a current-voltage change diagram of a complete cycle according to the current-voltage change diagram of the first cycle to the current-voltage change diagram of the last cycle;
respectively carrying out image normalization processing and image binarization processing on each frame of image in the current-voltage change diagram of the complete period, and carrying out image superposition processing on each processed frame of current-voltage change diagram to obtain a period superposition diagram;
inputting the periodic overlay graph into a pre-trained neural network model to obtain the working state of the load;
and generating a corresponding control instruction according to the working state and sending the control instruction to the power management module (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210832901.1A CN115441722A (en) | 2022-07-14 | 2022-07-14 | Power management chip and control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210832901.1A CN115441722A (en) | 2022-07-14 | 2022-07-14 | Power management chip and control system |
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| CN115441722A true CN115441722A (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210832901.1A Withdrawn CN115441722A (en) | 2022-07-14 | 2022-07-14 | Power management chip and control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116780911A (en) * | 2023-08-24 | 2023-09-19 | 成都迈林特科技有限公司 | A power module |
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2022
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116780911A (en) * | 2023-08-24 | 2023-09-19 | 成都迈林特科技有限公司 | A power module |
| CN116780911B (en) * | 2023-08-24 | 2023-11-07 | 成都迈林特科技有限公司 | A power module |
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