Adaptive power management system and method

Abstract

The invention discloses a self-adaptive power management system and method, and relates to the technical field of power distribution. The system comprises a power supply input module, an input voltage adjusting module, a power supply output module, an output voltage feedback module, an input power sampling module, a main control module and a driving module, and the input end of the input voltage adjusting module is electrically connected with the output end of the power supply input module. The output end of the input voltage adjusting module is electrically connected with the input end of the power output module, the output end of the power output module is electrically connected with the input end of the output voltage feedback module, and the input end of the input power sampling module is electrically connected with the input voltage adjusting module and the power output module. The input end of the main control module is electrically connected with the output ends of the output voltage feedback module and the input power sampling module; the input end of the driving module is electrically connected with the output end of the master control module, and the output end of the driving module is electrically connected with the controlled end of the input voltage adjusting module. The system can adapt to various different power supply voltages.

Description

Technical Field

[0001] The present invention relates to the field of power distribution technology, and in particular to an adaptive power management system and method. Background Art

[0002] At present, the power supply voltage of the secondary equipment in the medium-voltage distribution station room (room) has multiple voltage levels such as DC220V, DC110V, DC48V, DC24V, DC12V, etc., with multiple input voltages, which can easily cause confusion in management. Different equipment has different adaptability to voltage. In order to match the on-site needs, there are many types of equipment, each of which corresponds to specific voltage requirements. This situation not only increases the complexity of the equipment, but also makes inventory management, maintenance and equipment replacement cumbersome. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes an adaptive power management system and method, which can adapt to a variety of different power supply voltages.

[0004] On the one hand, an adaptive power management system according to an embodiment of the present invention includes: Power input module; An input voltage regulating module, an input end of which is electrically connected to an output end of the power input module; A power output module, the input end of which is electrically connected to the output end of the input voltage regulating module; An output voltage feedback module, whose input end is electrically connected to the output end of the power output module; An input power sampling module, an input end of which is electrically connected to the input voltage regulating module and the power input module; A main control module, the input end of the main control module is electrically connected to the output ends of the output voltage feedback module and the input power sampling module; A driving module, the input end of which is electrically connected to the output end of the main control module, and the output end of the driving module is electrically connected to the controlled end of the input voltage regulating module; Among them, the power input module is used to obtain the input voltage; the main control module is used to drive the input voltage regulation module through the driving module according to the input voltage, so that the input voltage regulation module outputs the regulated voltage according to the input voltage; the power output module is used to filter the regulated voltage to obtain the output voltage; the input power sampling module is used to collect the input current and the input voltage of the adaptive power management system, so that the main control module obtains the input power according to the input current and the input voltage; the output voltage feedback module is used to collect the output voltage of the adaptive power management system and feed it back to the main control module, so that the main control module adjusts the duty cycle of the control signal output to the driving module according to the output voltage; the main control module is also used to control the conduction and closing of the input voltage regulation module according to the input power.

[0005] According to some embodiments of the present invention, the power input module comprises: A fuse, one end of which is connected to the positive electrode of the input voltage; a varistor, one end of which is electrically connected to the other end of the fuse, and the other end of which is connected to the negative electrode of the input voltage; a thermistor, one end of the thermistor being electrically connected to the other end of the fuse; a first capacitor, wherein a positive electrode of the first capacitor is electrically connected to the other end of the thermistor; a first MOS transistor, wherein a source electrode of the first MOS transistor is electrically connected to a negative electrode of the first capacitor, and a drain electrode of the first MOS transistor is electrically connected to a negative electrode of the input voltage; a first resistor, one end of which is electrically connected to the gate of the first MOS transistor; a first diode, wherein an anode of the first diode is connected to a first voltage, and a cathode of the first diode is electrically connected to the other end of the first resistor; A second resistor, one end of the second resistor is electrically connected to the source of the first MOS tube, and the other end of the second resistor is electrically connected to the cathode of the first diode.

[0006] According to some embodiments of the present invention, the input voltage regulation module includes a transformer, the transformer having multiple primary windings and secondary windings, each of the primary windings is connected to a corresponding switch control unit, the switch control unit includes a second MOS tube, the gate of the second MOS tube is electrically connected to the output end of the main control module through a third resistor, the drain of the second MOS tube is electrically connected to the corresponding primary winding, and the source of the second MOS tube is grounded through a fourth resistor.

[0007] According to some embodiments of the present invention, it further includes: an output voltage overvoltage protection module, the input end of the output voltage overvoltage protection module is electrically connected to the output end of the power output module, and the output end of the output voltage overvoltage protection module is electrically connected to the input end of the main control module.

[0008] According to some embodiments of the present invention, a main control power supply module is further included, and the main control power supply module includes: A starting unit, wherein an input end of the starting unit is electrically connected to an output end of the power input module; A power supply switch unit, wherein an input end of the power supply switch unit is electrically connected to an output end of the start unit, and an output end of the power supply switch unit is electrically connected to a power supply end of the main control module; A start switch unit, wherein the input end of the start switch unit is electrically connected to the output end of the main control module, and the output end of the start switch unit is electrically connected to the controlled end of the start unit.

[0009] According to some embodiments of the present invention, the starting unit comprises: A plurality of fifth resistors connected in series, one end of the plurality of fifth resistors connected in series is electrically connected to the output end of the power input module; A third MOS tube, a drain of which is electrically connected to the other end of the plurality of fifth resistors connected in series, and a gate of which is electrically connected to the output end of the start switch unit; a second capacitor, wherein a positive electrode of the second capacitor is electrically connected to a source electrode of the third MOS tube, and a negative electrode of the second capacitor is grounded; A voltage stabilizing diode, wherein the anode of the voltage stabilizing diode is grounded, and the cathode of the voltage stabilizing diode is electrically connected to the gate of the third MOS tube.

[0010] According to some embodiments of the present invention, the start switch unit comprises: a sixth resistor, one end of which is electrically connected to the output end of the main control module, and the other end of which is grounded via a third capacitor; A first transistor, wherein a base of the first transistor is electrically connected to the other end of the sixth resistor, an emitter of the first transistor is grounded, and a collector of the first transistor is electrically connected to the controlled end of the start-up unit.

[0011] According to some embodiments of the present invention, the input power sampling unit includes: An input current sampling unit, used to collect the input current of the adaptive power management system and send it to the main control module; The input voltage sampling unit is used to collect the input voltage of the adaptive power management system and send it to the main control module.

[0012] On the other hand, an adaptive power management method according to an embodiment of the present invention is applied to the adaptive power management system described in the above embodiment, comprising the following steps: Get input voltage through power input module; The main control module drives the input voltage regulating module through the driving module according to the input voltage; The input voltage regulating module outputs a regulated voltage according to the input voltage; The power output module filters the regulated voltage to obtain an output voltage; The input power sampling module collects the input current and the input voltage of the adaptive power management system, so that the main control module obtains the input power according to the input current and the input voltage; The output voltage feedback module collects the output voltage and feeds it back to the main control module; The main control module adjusts the duty cycle of the control signal output to the driving module according to the output voltage. The main control module also controls the on and off of the input voltage regulating module according to the input power.

[0013] According to some embodiments of the present invention, the following steps are also included: The output voltage is collected by an output voltage overvoltage protection module and fed back to the main control module; When the output voltage exceeds a preset voltage, the main control module disconnects the input voltage regulation module from the power output module.

[0014] According to the adaptive power management system and method of the embodiment of the present invention, there are at least the following beneficial effects: through the monitoring and data analysis of key parameters such as input voltage, input current, and output voltage, it can automatically adjust to adapt to different power supply voltages, and automatically adjust the output voltage to ensure that the secondary equipment can obtain the stable power supply it needs. This adaptive capability greatly simplifies the power management process and reduces equipment failures and maintenance costs caused by voltage mismatch. At the same time, the operating status of the power supply input current and output voltage can be monitored in real time, thereby realizing input over-power protection and output over-voltage protection, thereby improving the operating efficiency and reliability of the entire distribution station room. Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which: Figure 1A circuit schematic diagram of a power input module, an input voltage regulating module and a power output module according to an embodiment of the present invention; Figure 2 is a circuit schematic diagram of an output voltage feedback module according to an embodiment of the present invention; Figure 3 is a circuit schematic diagram of an input power sampling module according to an embodiment of the present invention; Figure 4 is a circuit schematic diagram of a main control module according to an embodiment of the present invention; Figure 5 is a circuit schematic diagram of a driving module according to an embodiment of the present invention; Figure 6 is a circuit schematic diagram of an output voltage overvoltage protection module according to an embodiment of the present invention; Figure 7 is a circuit schematic diagram of a main control power supply module according to an embodiment of the present invention; Figure 8 It is a flowchart of the steps of the adaptive power management method according to an embodiment of the present invention. DETAILED DESCRIPTION

[0016] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and are not to be construed as limitations on the present application. For the step numbers in the following embodiments, they are only provided for the convenience of explanation, and the order between the steps is not limited in any way. The execution order of each step in the embodiment can be adaptively adjusted according to the understanding of those skilled in the art.

[0017] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0018] The terms "first", "second", "third" and "fourth" etc. in the specification and claims of the present invention and the drawings are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units that are not listed, or may optionally include other steps or units that are inherent to these processes, methods, products or devices.

[0019] Reference to "embodiments" in the present invention means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0020] At present, the power supply voltage of the secondary equipment in the medium-voltage distribution station room (room) has multiple voltage levels such as DC220V, DC110V, DC48V, DC24V, DC12V, etc., with multiple input voltages, which can easily cause confusion in management. Different equipment has different adaptability to voltage. In order to match the on-site needs, there are many types of equipment, each of which corresponds to specific voltage requirements. This situation not only increases the complexity of the equipment, but also makes inventory management, maintenance and equipment replacement cumbersome.

[0021] To this end, an embodiment of the present invention proposes an adaptive power management system and method, which can automatically adjust and adapt to different power supply voltages through monitoring and data analysis of key parameters such as input voltage, input current, and output voltage, and automatically adjust the output voltage to ensure that the secondary equipment can obtain the stable power supply it needs. This adaptive capability greatly simplifies the power management process and reduces equipment failures and maintenance costs caused by voltage mismatch. At the same time, the operating status of the power supply input current and output voltage can be monitored in real time, thereby realizing input over-power protection and output over-voltage protection, thereby improving the operating efficiency and reliability of the entire distribution station room. On the one hand, if Figures 1 to 5As shown, the adaptive power management system according to an embodiment of the present invention includes a power input module 100, an input voltage regulation module 200, a power output module 300, an output voltage feedback module 400, an input power sampling module 500, a main control module 600 and a driving module 700, wherein the input end of the input voltage regulation module 200 is electrically connected to the output end of the power input module 100, the output end of the input voltage regulation module 200 is electrically connected to the input end of the power output module 300, the output end of the power output module 300 is electrically connected to the input end of the output voltage feedback module 400, the input end of the input power sampling module 500 is electrically connected to the input voltage regulation module 200 and the power output module 100; the input end of the main control module 600 is electrically connected to the output end of the output voltage feedback module 400 and the input power sampling module 500; the input end of the driving module 700 is electrically connected to the output end of the main control module 600, and the output end of the driving module 700 is electrically connected to the controlled end of the input voltage regulation module 200. Among them, the power input module 100 is used to obtain the input voltage; the main control module 600 is used to drive the input voltage regulation module 200 through the driving module 700 according to the input voltage, so that the input voltage regulation module 200 outputs the regulated voltage according to the input voltage; the power output module 300 is used to filter the regulated voltage to obtain the output voltage; the input power sampling module 500 is used to collect the input current and input voltage of the adaptive power management system, so that the main control module 600 obtains the input power according to the input current and input voltage; the output voltage feedback module 400 is used to collect the output voltage of the adaptive power management system and feed it back to the main control module 600, so that the main control module 600 adjusts the duty cycle of the control signal output to the driving module 700 according to the output voltage; the main control module 600 is also used to control the conduction and closing of the input voltage regulation module 200 according to the input power.

[0022] Specifically, Figure 1As shown, in this example, the power input module 100 includes a fuse FU1, a varistor RV1, a thermistor RT1, a first capacitor CD4, a first MOS tube Q1, a first resistor R5, a first diode D2 and a second resistor R6; wherein, one end of the fuse FU1 is connected to the positive electrode (VIN+) of the input voltage, the other end of the fuse FU1 is electrically connected to one end of the varistor RV1, and the other end of the varistor RV1 is connected to the negative electrode (VIN-) of the input voltage; the positive electrode of the first capacitor CD4 is electrically connected to the other end of the varistor RV1; the source of the first MOS tube Q1 is electrically connected to the negative electrode of the first capacitor CD4, the drain of the first MOS tube Q1 is electrically connected to the negative electrode of the input voltage, the gate of the first MOS tube Q1 is electrically connected to one end of the first resistor R5, the other end of the first resistor R5 is electrically connected to the cathode of the first diode D2, the anode of the first diode D2 is connected to the first voltage VCC-A, one end of the second resistor R6 is electrically connected to the source of the first MOS tube Q1, and the other end of the second resistor R6 is electrically connected to the cathode of the first diode D2.

[0023] The input voltage provided by the external power supply is input into the system through the power input module 100 to obtain the voltage Vindc+. In the power input module 100, the varistor RT1 is used to absorb the input surge peak voltage, and the fuse FU1 is used to protect the circuit; when the input voltage is reversely connected, the first MOS tube Q1 is turned off to protect the subsequent circuit from being damaged.

[0024] like Figure 1 As shown, in this example, the input voltage regulation module 200 includes a transformer T1, and the transformer T1 has multiple primary windings (T1A / T1B) and a secondary winding (T1C). Each primary winding is connected to a corresponding switch control unit. The switch control unit includes a second MOS tube (Q2 / Q3), and the gate of the second MOS tube is electrically connected to the output end (GATE-1 / GATE-2) of the driving module 700 through a third resistor (R11 / R12), the drain of the second MOS tube is electrically connected to the corresponding primary winding, and the source of the second MOS tube is grounded through a fourth resistor (R19 / R20).

[0025] Specifically, in this example, the transformer T1 has two primary windings, namely T1A and T1B, one end of T1A is connected to the voltage Vindc+, and a capacitor C1, resistors R1, R2, R3 and R4 connected in parallel with each other, and D3 connected thereto are arranged between the voltage Vindc+ and T1A, the other end of T1A is connected to one end of T1B, the other end of T1A is also connected to the drain of Q2, the source of Q2 is grounded through R19, and the gate of Q2 is connected to the output end (GATE-1) of the driving module 700 through R11, the other end of T1B is connected to the drain of Q3, the source of Q3 is grounded through R20, and the gate of Q3 is connected to the output end (GATE-2) of the driving module 700 through R12; R50, R51, R52, R53, C13 and D4 are also connected between the two ends of T1B.

[0026] When the input voltage is DC12-75V, the main control module 600 controls Q3 to be cut off and Q2 to be turned on, and transmits energy to the power output module 300 through the coupling of the T1A winding and the T1C winding; when the input voltage is DC75~220V, the main control module 600 controls Q2 to be cut off and Q3 to be turned on, and transmits energy to the power output module 300 through the coupling of the T1A+T1B winding and the T1C winding. By changing the number of primary turns of the transformer coupled with T1C at high and low voltages, the duty cycle adjustment range of Q2 and Q3 is reduced when the input high and low voltages change, thereby improving the transformer conversion efficiency.

[0027] like Figure 1 As shown, in this example, the power output module 300 includes a diode D1, a capacitor CD1, a capacitor CD2, a capacitor CD3, a capacitor C2, an inductor L1, a resistor R64 and a resistor R65, and the above components constitute a rectifier filter circuit to rectify and filter the voltage output by the input voltage regulator module 200. After the voltage output by the input voltage regulator module 200 passes through the diode D1, a voltage VS-5V+ is obtained, and after passing through the inductor L1, a voltage V0-5V+ is obtained to power subsequent devices.

[0028] like Figure 2 As shown, in this example, the output voltage feedback module 400 includes optocouplers PC1A and PC1B, the positive electrode of PC1A is connected to VS-5V+ of the input voltage regulating module 200 through resistor R7, the negative electrode of PC1A is connected to the positive electrode of the voltage regulator diode A1, the negative electrode of the voltage regulator diode A1 is grounded, one end of the resistor R9 is connected to VO-5V+ of the input voltage regulating module 200, the other end of R9 is grounded through R16, R16 is connected in parallel with R15, and R16 is also connected to the negative electrode of PC1A through C3 and R10. The positive electrode of PC1B is connected to VCC-3.3V through resistor R44, the positive electrode of PC1B is also connected to the main control module 600 through V-FB, and the negative electrode of PC1B is grounded.

[0029] The output voltage feedback module 400 samples the output voltage value through R9, R15, R16 and A1. When the output voltage value is greater than the calculated value of 5.06V, PC1A is turned on and the V-FB voltage is pulled down through PC1B. When the V-FB pin voltage is pulled down, the duty cycle of the output of the main control module 600 is reduced. When the V-FB voltage rises to 3.3V, the duty cycle of the output of the main control module 600 is increased to stabilize the output voltage.

[0030] like Figure 3 As shown, in this example, the input power sampling unit 500 includes an input current sampling unit and an input voltage sampling unit. The input current sampling unit is used to collect the input current of the adaptive power management system and send it to the main control module 600; the input voltage sampling unit is used to collect the input voltage of the adaptive power management system and send it to the main control module 600. Specifically, the input current sampling unit has two paths, one of which includes an operational amplifier A4, the positive input end of A4 is connected to the resistor R17 of the input voltage regulation module 200 through a resistor R38, the other end of the resistor R17 is connected to the source of Q2, the reverse input end of A4 is electrically connected to the output end of A4 through a resistor R39, and the output end of A4 is connected to the main control module 600 through CS-1A; the other input current sampling unit includes an operational amplifier A7, the positive input end of A7 is connected to the resistor R18 of the input voltage regulation module 200 through a resistor R45, the other end of the resistor R18 is connected to the source of Q3, the reverse input end of A7 is electrically connected to the output end of A7 through a resistor R46, and the output end of A7 is connected to the main control module 600 through CS-2A. The input voltage sampling unit includes an operational amplifier A2, the positive input terminal of A2 is connected to the voltage Vindc+ through resistors R28 and R24, the reverse input terminal of A2 is electrically connected to the output terminal of A2 through resistor R27, and the output terminal of A2 is connected to the main control module 600 through CY-VINDC+. The input current sampling unit collects the input current, the input voltage sampling unit collects the input voltage, and sends both the input current and the input voltage to the main control module 600. The main control module 600 calculates the primary power of the power supply in real time based on the input current and the input voltage. When the input power is greater than the design threshold, Q2 and Q3 are turned off at the same time, thereby turning off the power supply, and the power supply enters hiccup protection.

[0031] like Figure 4 As shown, in this example, the main control module 600 includes a chip A9, which is used to control the conduction state of Q2 and Q3 according to the signal collection of each external module, and to adjust the duty cycle of the control signal according to the output voltage to achieve the effect of voltage stabilization, so that the entire system maintains a good working state.

[0032] like Figure 5As shown, in this example, the driving module 700 includes driving chips A5 and A6, and the main control module 600 drives and controls Q2 through the driving chip A5, and drives and controls Q3 through the driving chip A6. like Figure 6 As shown, in some embodiments of the present invention, the adaptive power management system further includes an output voltage overvoltage protection module 800, the input end of the output voltage overvoltage protection module 800 is electrically connected to the output end of the power output module 300, and the output end of the output voltage overvoltage protection module 800 is electrically connected to the input end of the main control module 600. The output voltage overvoltage protection module 800 includes photoelectric couplers PC2A and PC2B, the positive electrode of PC2A is connected to the VS-5V+ of the input voltage regulating module 200 through a resistor R49, the negative electrode of PC2A is connected to the positive electrode of the voltage regulator diode A8, the negative electrode of the voltage regulator diode A8 is grounded, one end of the resistor R956 is connected to the VO-5V+ of the input voltage regulating module 200, the other end of R56 is grounded through R59, R59 is connected in parallel with R58, and R59 is also connected to the negative electrode of PC2A through C15 and R57. The positive electrode of PC2B is connected to VCC-3.3V through resistor R60, the positive electrode of PC2B is also connected to the main control module 600 through V-OV, and the negative electrode of PC2B is grounded.

[0033] The output voltage overvoltage protection module 800 samples the output voltage through R56, R58, R59 and A8. When the output voltage value is greater than the calculated value of 6.96V, PC2A is turned on and the V-OV voltage is pulled down through PC2B. When the V-OV pin voltage is pulled low, the GATE-1 and GATE-2 outputs are locked until VCC is powered off and restarted, so that the system enters hiccup protection.

[0034] like Figure 7As shown, in some embodiments of the present invention, the adaptive power management system also includes a main control power supply module 900, which includes a starting unit, a power supply switch unit and a starting switch unit, wherein the input end of the starting unit is electrically connected to the output end of the power input module 100, the output end of the starting unit is electrically connected to the input end of the power supply switch unit, the output end of the power supply switch unit is electrically connected to the power end of the main control module 600, the input end of the starting switch unit is electrically connected to the output end of the main control module 600, and the output end of the starting switch unit is electrically connected to the controlled end of the starting unit. Specifically, in this example, the startup unit includes a plurality of fifth resistors (R22 / R26) connected in series, a third MOS transistor Q6, a second capacitor CD6 and a voltage regulator diode DZ3, one end of the plurality of fifth resistors connected in series is electrically connected to the output end (Vindc+) of the power input module 100, the drain of the third MOS transistor Q6 is electrically connected to the other end of the plurality of fifth resistors connected in series, and the gate of the third MOS transistor Q6 is electrically connected to the output end of the startup switch unit; the positive electrode of the second capacitor CD6 is electrically connected to the source of the third MOS transistor Q6, and the negative electrode of the second capacitor CD6 is grounded; the anode of the voltage regulator diode DZ3 is grounded, the cathode of the voltage regulator diode DZ3 is electrically connected to the gate of the third MOS transistor Q6, and the cathode of the voltage regulator diode DZ3 is also connected to Vindc+ through R25 and R21. The voltage Vindc+ output by the power input module 100 charges CD6 through R22, R26 and Q6, and DZ3 is used to limit the maximum charging voltage. When CD6 is charged to 8.4V, the power switch unit is turned on. The power supply switch unit includes Q4, DZ1, DZ2, R31, R37, Q5, R29, C5, R23, R30, Q7, D5, C6, C7, CD5, D6, T1D and voltage regulator chip A3. When CD6 is charged to 8.4V, Q4 is turned on to supply power to VCC-A, and then supplies power to chip A9 of the main control module 600 after voltage stabilization by A3; after A9 operates normally, it continuously supplies power to A9 through transformer T1D winding, D6 and CD5, and sends VCC-KZ control signal to the start switch unit through A9. The startup switch unit includes a sixth resistor R35 and a first transistor Q8, one end of the sixth resistor R35 is electrically connected to the output end (VCC-KZ) of the main control module 600, the other end of the sixth resistor R35 is grounded through the third capacitor C14, the base of the first transistor Q8 is electrically connected to the other end of the sixth resistor R35, the emitter of the first transistor Q8 is grounded, and the collector of the first transistor Q8 is electrically connected to the controlled end (gate of Q6) of the startup unit. When A9 sends a VCC-KZ control signal, Q8 is disconnected, and then the startup unit composed of devices such as R22, R26, and Q6 is turned off to reduce power consumption.

[0035] According to the adaptive power management system of the embodiment of the present invention, by monitoring and analyzing the key parameters such as the power supply voltage and current, it automatically adjusts and adapts to different power supply voltages. Through the output voltage adjustment module 200, the output voltage is automatically adjusted to ensure that the secondary device can obtain the stable power supply it needs. This adaptive capability greatly simplifies the power management process and reduces equipment failures and maintenance costs caused by voltage mismatch. The system has an intelligent diagnosis function, which can monitor the operating status of the power input current and output voltage in real time, and realize input over-power protection and output over-voltage protection through the intelligent adjustment system, thereby improving the operating efficiency and reliability of the entire distribution station room. The system adopts high-efficiency semiconductor materials and simple circuit design. By using advanced semiconductor technology, the system can achieve fast response and precise adjustment with low energy consumption, thereby reducing operating costs. In addition, the simple circuit design reduces the number of components, which not only reduces the manufacturing cost, but also improves the stability and reliability of the system.

[0036] In actual applications, the system can automatically select the optimal power management strategy based on different load requirements. For example, during peak power consumption, the system can prioritize the power supply stability of key equipment, while appropriately limiting the current of non-key equipment to ensure the efficient operation of the entire system. This intelligent allocation mechanism not only improves energy utilization, but also effectively extends the service life of equipment.

[0037] In summary, this low-cost adaptive power management system is not only innovative in technology, but also has significant economic advantages. Through intelligent power management, it ensures stable operation of equipment, reduces long-term operation and maintenance costs, effectively solves many problems in the power supply management of secondary equipment in traditional medium-voltage distribution stations, and provides a strong guarantee for the stable operation of the power system.

[0038] On the other hand, based on the adaptive power management system described in the above-mentioned embodiment, the embodiment of the present invention also proposes a remote control malfunction output protection method, such as Figure 8 As shown, the method comprises the following steps: Step S100: obtaining input voltage through the power input module 100; Step S200: the main control module 600 drives the input voltage regulating module 200 through the driving module 700 according to the input voltage; Step S300: the input voltage regulating module 200 outputs a regulated voltage according to the input voltage; Step S400: the power output module 300 filters the regulated voltage to obtain an output voltage; Step S500: the input power sampling module 500 collects the input current and input voltage of the adaptive power management system, so that the main control module 600 obtains the input power according to the input current and input voltage; Step S600: the output voltage feedback module 400 collects the output voltage and feeds it back to the main control module 600; Step S700: the main control module 600 adjusts the duty cycle of the control signal output to the driving module 700 according to the output voltage. The main control module 600 also controls the on and off of the input voltage regulating module 200 according to the input power.

[0039] Specifically, the input voltage provided by the external power supply enters the system through the power input module 100, and the system detects the size of the input voltage. When the input voltage is DC12-75V, the main control module 600 outputs GATE-1A to control the output duty cycle of Q2, thereby realizing the voltage conversion and power transmission of the T1A winding and T1C winding coupling transformer; when the input voltage is DC75-220V, it outputs GATE-2A to control the output duty cycle of Q3 to realize the voltage conversion and power transmission of the T1A+T1B winding and T1C winding coupling transformer.

[0040] Output voltage self-regulation: When the output voltage is high and the main control module 600 detects a low level on the V-FB pin, the duty cycle of the chip output GATE-1A or GATE-2A is reduced to adjust the output voltage to around 5.01V; when the V-FB voltage rises to 3.3V, the duty cycle of the chip output GATE-1A or GATE-2A is increased to stabilize the output voltage to around 5.01V.

[0041] Input over-power protection: By sampling the input voltage and input current, the primary power of the power supply is calculated in real time. When the input power is greater than the design threshold, Q2 and Q3 are turned off at the same time, thereby turning off the power supply and the power supply enters hiccup protection.

[0042] Furthermore, in some embodiments of the present invention, the adaptive power management method further includes the following steps: The output voltage is collected by the output voltage overvoltage protection module 800 and fed back to the main control module 600; When the output voltage exceeds the preset voltage, the main control module 600 disconnects the input voltage regulation module 200 from the power output module 300 .

[0043] Specifically, when the output voltage is overvoltage and the system detects that the voltage on the V-OV pin is pulled low, the GATE-1 and GATE-2 outputs are locked until VCC is powered off and restarted, causing the power supply to enter hiccup protection.

[0044] According to the adaptive power management method of the embodiment of the present invention, by monitoring and analyzing the key parameters such as the power supply voltage and current, automatic adjustments are made to adapt to different power supply voltages. The output voltage is automatically adjusted through the output voltage adjustment module 200 to ensure that the secondary equipment can obtain the stable power supply it needs. This adaptive capability greatly simplifies the power management process and reduces equipment failures and maintenance costs caused by voltage mismatch. The method has an intelligent diagnostic function, which can monitor the operating status of the power supply input current and output voltage in real time, and realize input over-power protection and output over-voltage protection through an intelligent adjustment system, thereby improving the operating efficiency and reliability of the entire distribution station room.

[0045] On the other hand, an embodiment of the present invention further provides an electronic device, including: A memory for storing program instructions; The processor is used to call the program instructions stored in the memory and execute the adaptive power management method described in the embodiment of the present invention according to the obtained program instructions.

[0046] On the other hand, an embodiment of the present invention further provides a storage medium, wherein the storage medium stores computer executable instructions, and the computer executable instructions are used to enable a computer to execute the adaptive power management method described in the embodiment of the present invention.

[0047] As a non-transient computer-readable storage medium, the memory can be used to store non-transient software programs and non-transient computer executable programs. In addition, the memory may include a high-speed random access memory, and may also include a non-transient memory, such as at least one disk storage device, a flash memory device, or other non-transient solid-state storage devices. In some embodiments, the memory may optionally include a memory remotely arranged relative to the processor, and these remote memories may be connected to the processor via a network. Examples of the above-mentioned networks include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and a combination thereof. The device embodiments described above are merely schematic, wherein the units described as separate components may or may not be physically separated, and are implemented to be located in one place, or may also be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the present embodiment.

[0048] Although specific embodiments are described herein, those of ordinary skill in the art will recognize that many other modifications or alternative embodiments are also within the scope of the present disclosure. For example, any of the functions and / or processing capabilities described in conjunction with a particular device or component may be performed by any other device or component. In addition, although various exemplary implementations and architectures have been described according to embodiments of the present disclosure, those of ordinary skill in the art will recognize that many other modifications to the exemplary implementations and architectures described herein are also within the scope of the present disclosure.

[0049] Some aspects of the present disclosure are described above with reference to the block diagram and flow chart of the system, method, system and / or computer program product according to the exemplary embodiments.It should be understood that the combination of one or more blocks in the block diagram and the flow chart and the blocks in the block diagram and the flow chart can be realized by executing computer executable program instructions respectively.Equally, according to some embodiments, some blocks in the block diagram and the flow chart may not need to be executed in the order shown, or may not need to be executed in full.In addition, additional components and / or operations beyond those components and / or operations shown in the blocks in the block diagram and the flow chart may be present in certain embodiments.

[0050] Therefore, the blocks in the block diagrams and flow charts support the combination of devices for performing the specified functions, the combination of elements or steps for performing the specified functions, and the program instruction devices for performing the specified functions. It should also be understood that each block in the block diagrams and flow charts and the combination of blocks in the block diagrams and flow charts can be implemented by a special-purpose hardware computer system or a combination of special-purpose hardware and computer instructions that performs a specific function, element or step.

[0051] The program modules, applications, etc. described herein may include one or more software components, including, for example, software objects, methods, data structures, etc. Each such software component may include computer-executable instructions that, in response to execution, cause at least a portion of the functionality described herein (e.g., one or more operations of the illustrative methods described herein) to be performed.

[0052] Software components can be encoded with any of various programming languages. An exemplary programming language can be a low-level programming language, such as an assembly language associated with a specific hardware architecture and / or an operating system platform. The software component comprising assembly language instructions may need to be converted to executable machine code by an assembler before being executed by hardware architecture and / or platform. Another exemplary programming language can be a higher-level programming language, which can be transplanted across multiple architectures. The software component comprising a higher-level programming language may need to be converted to an intermediate representation by an interpreter or a compiler before execution. Other examples of programming languages ​​include but are not limited to macro languages, shells or command languages, job control languages, scripting languages, database queries or search languages ​​or report writing languages. In one or more exemplary embodiments, the software component comprising the instruction of one of the above-mentioned programming language examples can be directly executed by an operating system or other software components, without first being converted into another form.

[0053] Software components may be stored as files or other data storage structures. Software components of similar type or related functions may be stored together, such as in a specific directory, folder, or library. Software components may be static (e.g., preset or fixed) or dynamic (e.g., created or modified at execution time).

[0054] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An adaptive power management system, characterized in that: include: Power input module; An input voltage regulating module, an input end of which is electrically connected to an output end of the power input module; A power output module, the input end of which is electrically connected to the output end of the input voltage regulating module; An output voltage feedback module, whose input end is electrically connected to the output end of the power output module; An input power sampling module, an input end of which is electrically connected to the input voltage regulating module and the power input module; A main control module, the input end of the main control module is electrically connected to the output ends of the output voltage feedback module and the input power sampling module; A driving module, the input end of which is electrically connected to the output end of the main control module, and the output end of the driving module is electrically connected to the controlled end of the input voltage regulating module; Among them, the power input module is used to obtain the input voltage; the main control module is used to drive the input voltage regulation module through the driving module according to the input voltage, so that the input voltage regulation module outputs the regulated voltage according to the input voltage; the power output module is used to filter the regulated voltage to obtain the output voltage; the input power sampling module is used to collect the input current and the input voltage of the adaptive power management system, so that the main control module obtains the input power according to the input current and the input voltage; the output voltage feedback module is used to collect the output voltage of the adaptive power management system and feed it back to the main control module, so that the main control module adjusts the duty cycle of the control signal output to the driving module according to the output voltage; the main control module is also used to control the conduction and closing of the input voltage regulation module according to the input power.

2. The adaptive power management system according to claim 1, characterized in that: The power input module comprises: A fuse, one end of which is connected to the positive electrode of the input voltage; a varistor, one end of which is electrically connected to the other end of the fuse, and the other end of which is connected to the negative electrode of the input voltage; a thermistor, one end of the thermistor being electrically connected to the other end of the fuse; a first capacitor, wherein a positive electrode of the first capacitor is electrically connected to the other end of the thermistor; a first MOS transistor, wherein a source electrode of the first MOS transistor is electrically connected to a negative electrode of the first capacitor, and a drain electrode of the first MOS transistor is electrically connected to a negative electrode of the input voltage; a first resistor, one end of which is electrically connected to the gate of the first MOS transistor; a first diode, wherein an anode of the first diode is connected to a first voltage, and a cathode of the first diode is electrically connected to the other end of the first resistor; A second resistor, one end of the second resistor is electrically connected to the source of the first MOS tube, and the other end of the second resistor is electrically connected to the cathode of the first diode.

3. The adaptive power management system according to claim 1, characterized in that: The input voltage regulation module includes a transformer, which has multiple primary windings and secondary windings. Each of the primary windings is connected to a corresponding switch control unit. The switch control unit includes a second MOS tube, a gate of the second MOS tube is electrically connected to the output end of the driving module through a third resistor, a drain of the second MOS tube is electrically connected to the corresponding primary winding, and a source of the second MOS tube is grounded through a fourth resistor.

4. The adaptive power management system according to claim 1, characterized in that: It also includes: an output voltage overvoltage protection module, the input end of the output voltage overvoltage protection module is electrically connected to the output end of the power output module, and the output end of the output voltage overvoltage protection module is electrically connected to the input end of the main control module.

5. The adaptive power management system according to claim 1, characterized in that: It also includes a main control power supply module, which includes: A starting unit, wherein an input end of the starting unit is electrically connected to an output end of the power input module; A power supply switch unit, wherein an input end of the power supply switch unit is electrically connected to an output end of the start unit, and an output end of the power supply switch unit is electrically connected to a power supply end of the main control module; A start switch unit, wherein the input end of the start switch unit is electrically connected to the output end of the main control module, and the output end of the start switch unit is electrically connected to the controlled end of the start unit.

6. The adaptive power management system according to claim 5, characterized in that: The startup unit comprises: A plurality of fifth resistors connected in series, one end of the plurality of fifth resistors connected in series is electrically connected to the output end of the power input module; A third MOS tube, a drain of which is electrically connected to the other end of the plurality of fifth resistors connected in series, and a gate of which is electrically connected to the output end of the start switch unit; a second capacitor, wherein a positive electrode of the second capacitor is electrically connected to a source electrode of the third MOS tube, and a negative electrode of the second capacitor is grounded; A voltage stabilizing diode, wherein the anode of the voltage stabilizing diode is grounded, and the cathode of the voltage stabilizing diode is electrically connected to the gate of the third MOS tube.

7. The adaptive power management system according to claim 5, characterized in that: The start switch unit comprises: a sixth resistor, one end of which is electrically connected to the output end of the main control module, and the other end of which is grounded via a third capacitor; A first transistor, wherein a base of the first transistor is electrically connected to the other end of the sixth resistor, an emitter of the first transistor is grounded, and a collector of the first transistor is electrically connected to the controlled end of the start-up unit.

8. The adaptive power management system according to claim 1, characterized in that: The input power sampling unit comprises: An input current sampling unit, used to collect the input current of the adaptive power management system and send it to the main control module; The input voltage sampling unit is used to collect the input voltage of the adaptive power management system and send it to the main control module.

9. An adaptive power management method, applied to the adaptive power management system according to any one of claims 1 to 8, characterized in that: include: Get input voltage through power input module; The main control module drives the input voltage regulating module through the driving module according to the input voltage; The input voltage regulating module outputs a regulated voltage according to the input voltage; The power output module filters the regulated voltage to obtain an output voltage; The input power sampling module collects the input current and the input voltage of the adaptive power management system, so that the main control module obtains the input power according to the input current and the input voltage; The output voltage feedback module collects the output voltage and feeds it back to the main control module; The main control module adjusts the duty cycle of the control signal output to the driving module according to the output voltage. The main control module also controls the on and off of the input voltage regulating module according to the input power.

10. The adaptive power management method according to claim 9, characterized in that: The following steps are also included: The output voltage is collected by an output voltage overvoltage protection module and fed back to the main control module; When the output voltage exceeds a preset voltage, the main control module disconnects the input voltage regulation module from the power output module.

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