CN117498708B - Power conversion regulating circuit for mainboard - Google Patents
Power conversion regulating circuit for mainboard Download PDFInfo
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- CN117498708B CN117498708B CN202311841356.3A CN202311841356A CN117498708B CN 117498708 B CN117498708 B CN 117498708B CN 202311841356 A CN202311841356 A CN 202311841356A CN 117498708 B CN117498708 B CN 117498708B
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 39
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 24
- 238000004146 energy storage Methods 0.000 claims abstract description 42
- 208000028659 discharge Diseases 0.000 claims abstract description 40
- 230000033228 biological regulation Effects 0.000 claims abstract description 9
- 230000001276 controlling effect Effects 0.000 claims abstract description 8
- 230000006641 stabilisation Effects 0.000 claims abstract description 7
- 238000011105 stabilization Methods 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 239000003381 stabilizer Substances 0.000 claims description 47
- 239000003990 capacitor Substances 0.000 claims description 43
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 230000011664 signaling Effects 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 3
- 230000005669 field effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
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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
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
Abstract
The invention discloses a power supply conversion regulating circuit for a main board, which relates to the technical field of main board power supplies and comprises a power supply power regulating module for regulating power; the intelligent control module is used for signal receiving and module control; the first output module, the second output module and the third output module are all used for voltage stabilization regulation and respectively outputting first electric energy, second electric energy and third electric energy; the output adjusting module is used for carrying out superposition adjustment on the first electric energy and the second electric energy and carrying out discharge treatment on the third electric energy; the output control module is used for transmitting the electric energy to the main board module; the energy storage module is used for storing energy and discharging; the discharging adjusting module is used for boosting adjustment and providing standby electric energy; and the main board module is used for being connected with the main board and providing a standby signal and a restarting signal when the main board is in standby and restarting. The power supply conversion and adjustment circuit for the main board can be used for carrying out isolation power adjustment, providing different working voltages for the main board module and automatically controlling the electric energy state according to the working condition of the main board.
Description
Technical Field
The invention relates to the technical field of main board power supplies, in particular to a power supply conversion regulating circuit for a main board.
Background
In computer equipment, the power supply circuit of the main board is the most critical part, because the main board needs different supply voltages, in order to meet the power supply requirement of multiple groups of power supplies, the power supply conversion regulating circuit for the main board in the prior art mostly consists of a multi-output switching power supply circuit, and the output end of the power supply conversion regulating circuit is provided with a capacitor with a large capacity value, so as to ensure the stable and normal operation of the main board, but when the main board needs to be restarted, the main board is easy to restart due to the influence of energy storage of the capacitor, and when the main board is restarted, the voltage of pins of the main board cannot be reduced immediately, so that a program is restarted to cause the damage of the main board, and the power supply conversion regulating circuit for the main board in the prior art cannot reasonably utilize the electric energy stored by the capacitor, so that the energy is wasted, so that the main board needs to be improved.
Disclosure of Invention
The embodiment of the invention provides a power supply conversion regulating circuit for a main board, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a power conversion regulating circuit for a motherboard, comprising: the system comprises a power supply power adjusting module, an intelligent control module, a first output module, a second output module, a third output module, an output adjusting module, an output control module, an energy storage module, a discharge adjusting module and a main board module;
the power supply power regulating module is connected with the intelligent control module and the discharge regulating module, and is used for accessing alternating current electric energy, receiving a first control signal output by the intelligent control module, performing AC-DC (alternating current-direct current) processing on the alternating current electric energy, receiving a first pulse signal output by the intelligent control module, performing power regulating processing on the processed electric energy and the electric energy output by the discharge regulating module, performing current detection and outputting a current signal, and performing voltage sampling on the first output module and outputting a voltage signal;
the intelligent control module is connected with the output adjusting module, the main board module, the discharge adjusting module and the output control module, is used for outputting a first pulse signal, receiving a current signal and a voltage signal and adjusting the duty ratio of the first pulse signal, outputting a first control signal and controlling the output adjusting module to perform electric energy superposition and discharge work, receiving a standby signal output by the main board module and outputting a third control signal to control the stop work of the second output module and the third output module, outputting a second pulse signal and controlling the discharge work of the discharge adjusting module, and receiving a restarting signal output by the main board module and outputting a second control signal to control the stop work of the first output module, the second output module and the third output module;
the first output module is connected with the power supply power adjusting module and is used for carrying out voltage stabilization adjustment on the electric energy output by the power supply power adjusting module and outputting first electric energy;
the second output module is connected with the power supply power adjusting module and is used for carrying out voltage stabilization adjustment on the electric energy output by the power supply power adjusting module and outputting second electric energy;
the third output module is connected with the power supply power adjusting module and is used for carrying out voltage stabilizing adjustment on the electric energy output by the power supply power adjusting module and outputting third electric energy;
the output adjusting module is connected with the first output module, the second output module, the third output module and the energy storage module, and is used for improving the driving capability of the first control signal, performing superposition adjusting treatment on the first electric energy and the second electric energy, performing discharge treatment on the third electric energy and transmitting the superposition-adjusted electric energy to the energy storage module;
the output control module is connected with the first output module, the second output module and the third output module and used for transmitting the first electric energy, the second electric energy and the third electric energy to the main board module, receiving the second control signal and stopping the transmission of the first electric energy, the second electric energy and the third electric energy, and receiving the third control signal and stopping the transmission of the second electric energy and the third electric energy;
the energy storage module is connected with the discharge regulating module and used for storing the electric energy output by the output regulating module, releasing the stored electric energy and transmitting the electric energy to the discharge regulating module;
the discharging adjusting module is connected with the output control module and is used for receiving the second pulse signal and the third control signal and performing boosting adjustment on the electric energy released by the energy storage module;
the main board module is used for receiving the first electric energy, the second electric energy and the third electric energy and is connected with the main board, outputting a standby signal when the main board is in a standby state, and outputting a restarting signal when the main board is in a restarting state.
As still further aspects of the invention: the power supply power regulating module comprises a power supply interface, an input processing device, a first capacitor, a peak absorbing device, a first transformer, a first power tube, a first resistor, a second resistor and a third resistor; the intelligent control module comprises a first controller;
preferably, the first input end and the second input end of the power interface are respectively connected with the first end and the second end of the input processing device, the first output end of the input processing device is connected with one end of the first capacitor, the first end of the peak absorbing device is connected with the first end of the primary side of the first transformer, the second end of the primary side of the first transformer is connected with the drain electrode of the first power tube and the second end of the peak absorbing device, the source electrode of the first power tube is connected with the IO2 end of the first controller and is connected with the second end of the first capacitor through the first resistor, the second output end of the input processing device is connected with the ground end, the control end of the input processing device is connected with the IO3 end of the first controller, the first end of the second resistor is connected with the first output module, the second end of the second resistor is connected with the IO4 end of the first controller and is grounded through the third resistor, and the grid electrode of the first power tube is connected with the IO1 end of the first controller.
As still further aspects of the invention: the first output module comprises a first diode, a first voltage stabilizer and a second capacitor; the output control module comprises a fourth resistor, a fifth power tube and a first switching tube; the main board module comprises a main board interface;
preferably, the anode of the first diode is connected with the first end of the first secondary side of the first transformer, the cathode of the first diode is connected with the first end of the first voltage stabilizer and the first end of the second resistor, the third end of the first voltage stabilizer is connected with the first end of the second capacitor and the drain electrode of the fifth power tube and is connected with the grid electrode of the fifth power tube and the collector electrode of the first switching tube through the fourth resistor, the second end of the first voltage stabilizer, the second end of the first secondary side of the first transformer and the second end of the second capacitor are grounded, the emitter of the first switching tube is grounded, the base electrode of the first switching tube is connected with the IO9 end of the first controller, the source electrode of the fifth power tube is connected with the first power end of the main board interface, and the starting end and the standby end of the main board interface are respectively connected with the IO7 end and the IO8 end of the first controller.
As still further aspects of the invention: the second output module comprises a second diode, a second voltage stabilizer and a third capacitor; the output control module further comprises a fifth resistor, a sixth power tube, a second switching tube, a fourth diode and a fifth diode;
preferably, the anode of the second diode is connected with the first end of the second secondary side of the first transformer, the cathode of the second diode is connected with the first end of the second voltage stabilizer, the third end of the second voltage stabilizer is connected with one end of the fifth resistor and the drain electrode of the sixth power tube and is connected with the second end of the second voltage stabilizer, the second end of the second secondary side of the first transformer and the ground end through the third capacitor, the other end of the fifth resistor is connected with the grid electrode of the sixth power tube and the collector electrode of the second switching tube, the emitter electrode of the second switching tube is grounded, the source electrode of the sixth power tube is connected with the second power end of the main board interface, the base electrode of the second switching tube is connected with the cathode of the fourth diode and the cathode of the fifth diode, and the anode of the fourth diode and the anode of the fifth diode are respectively connected with the IO9 end and the IO6 end of the first controller.
As still further aspects of the invention: the third output module comprises a third diode, a third voltage stabilizer and a fourth capacitor; the output control module further comprises a seventh power tube, a sixth resistor and a third switching tube;
preferably, the cathode of the third diode is connected with the second end of the third secondary side of the first transformer, the anode of the third diode is connected with the first end of the third voltage stabilizer, the third end of the third voltage stabilizer is connected with the source electrode of the seventh power tube and is connected with the second end of the third voltage stabilizer, the second end of the third secondary side of the first transformer and the ground end through the fourth capacitor, the source electrode of the seventh power tube is connected with the third power end of the main board interface, the grid electrode of the seventh power tube is connected with the collector electrode of the third switch tube and is connected with the third end of the second voltage stabilizer through the sixth resistor, the emitter electrode of the third switch tube is grounded, and the base electrode of the third switch tube is connected with the cathode of the fourth diode.
As still further aspects of the invention: the output adjusting module comprises a first driver, a second power tube, a third power tube and a fourth power tube; the energy storage module comprises an energy storage device;
preferably, the drain electrode of the second power tube is connected with the second end of the second voltage stabilizer, the source electrode of the second power tube is connected with the second end of the second capacitor, the drain electrode of the third power tube is connected with the first end of the second capacitor, the source electrode of the third power tube is connected with the first end of the energy storage device, the second end of the energy storage device and the drain electrode of the fourth power tube are grounded, the input end of the first driver is connected with the IO5 end of the first controller, the first output end, the second output end and the third output end of the first driver are respectively connected with the grid electrode of the second power tube, the grid electrode of the third power tube and the grid electrode of the fourth power tube, and the source electrode of the fourth power tube is connected with the third end of the third voltage stabilizer.
As still further aspects of the invention: the discharge regulating module comprises an eighth power tube, a first inductor, a ninth power tube and a sixth diode;
preferably, a source electrode of the eighth power tube is connected with the first end of the energy storage device, a source electrode of the eighth power tube is connected with a drain electrode of the ninth power tube and an anode of the sixth diode through the first inductor, a cathode of the sixth diode is connected with a first output end of the input processing device, the source electrode of the ninth power tube is grounded, and a grid electrode of the eighth power tube and a grid electrode of the ninth power tube are respectively connected with an IO6 end and an IO10 end of the first controller.
Compared with the prior art, the invention has the beneficial effects that: the power conversion regulating circuit for the main board can control the power regulating module to convert and regulate alternating current and direct current, provides different working voltages for the main board connected with the main board module through the output control module, controls the output control module to perform power-off control when the main board is restarted, controls the output regulating module to perform superposition processing on residual electric energy in the first output module and the second output module so as to be stored and consumed by the energy storage module, avoids the influence of the residual electric energy when the main board is restarted, and performs boosting processing on the electric energy released by the energy storage module by the discharge regulating module controlled by the intelligent control module when the main board is in standby control so as to provide standby electric energy, and transmits the standby electric energy to the main board module by controlling the conduction state of the output control module, thereby realizing intelligent standby control and improving the energy utilization rate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic block diagram of a power conversion adjusting circuit for a motherboard according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of a power conversion adjusting circuit for a motherboard according to an embodiment of the present invention.
Fig. 3 is a circuit diagram of a connection of an output control module according to an embodiment of the present invention.
Fig. 4 is a circuit diagram of a connection of a discharge adjustment module according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In one embodiment, referring to fig. 1, a power conversion adjusting circuit for a motherboard includes: the system comprises a power supply power regulation module 1, an intelligent control module 2, a first output module 3, a second output module 4, a third output module 5, an output regulation module 6, an output control module 7, an energy storage module 8, a discharge regulation module 9 and a main board module 10;
specifically, the power supply power adjusting module 1 is connected with the intelligent control module 2 and the discharge adjusting module 9, and is used for accessing alternating current electric energy, receiving a first control signal output by the intelligent control module 2, performing AC-DC processing on the alternating current electric energy, receiving a first pulse signal output by the intelligent control module 2, performing power adjusting processing on the processed electric energy and the electric energy output by the discharge adjusting module 9, performing current detection, outputting a current signal, performing voltage sampling on the first output module 3, and outputting a voltage signal;
the intelligent control module 2 is connected with the output adjusting module 6, the main board module 10, the discharge adjusting module 9 and the output control module 7, and is used for outputting a first pulse signal, receiving a current signal and a voltage signal and adjusting the duty ratio of the first pulse signal, outputting the first control signal and controlling the output adjusting module 6 to perform electric energy superposition and discharge work, receiving a standby signal output by the main board module 10 and outputting a third control signal to control the cut-off work of the second output module 4 and the third output module 5, outputting a second pulse signal and controlling the discharge work of the discharge adjusting module 9, and receiving a restarting signal output by the main board module 10 and outputting a second control signal to control the cut-off work of the first output module 3, the second output module 4 and the third output module 5;
the first output module 3 is connected with the power supply power adjusting module 1 and is used for carrying out voltage stabilization adjustment on the electric energy output by the power supply power adjusting module 1 and outputting first electric energy;
the second output module 4 is connected with the power supply power adjusting module 1 and is used for performing voltage stabilization adjustment on the electric energy output by the power supply power adjusting module 1 and outputting second electric energy;
the third output module 5 is connected with the power supply power adjusting module 1 and is used for carrying out voltage stabilizing adjustment on the electric energy output by the power supply power adjusting module 1 and outputting third electric energy;
the output adjusting module 6 is connected with the first output module 3, the second output module 4, the third output module 5 and the energy storage module 8, and is used for improving the driving capability of the first control signal, performing superposition adjusting treatment on the first electric energy and the second electric energy, performing discharge treatment on the third electric energy, and transmitting the superposition-adjusted electric energy to the energy storage module 8;
an output control module 7, connected to the first output module 3, the second output module 4, and the third output module 5, for transmitting the first power, the second power, and the third power to the main board module 10, for receiving the second control signal and stopping transmission of the first power, the second power, and the third power, and for receiving the third control signal and stopping transmission of the second power and the third power;
the energy storage module 8 is connected with the discharge regulating module 9 and is used for storing the electric energy output by the output regulating module 6, releasing the stored electric energy and transmitting the electric energy to the discharge regulating module 9;
the discharging adjusting module 9 is connected with the output control module 7 and is used for receiving the second pulse signal and the third control signal and performing boosting adjustment on the electric energy released by the energy storage module 8;
the main board module 10 is configured to receive the first power, the second power, and the third power, and is connected to the main board, and configured to output a standby signal when the main board is in a standby state, and output a restart signal when the main board is in a restart state.
In a specific embodiment, the power supply power adjusting module 1 may adopt a flyback switching power supply circuit, and may be connected to ac power and perform EMI filtering, rectifying and isolating transformation adjusting processing on the connected power, so as to implement ac-dc conversion and adjusting work, and perform voltage sampling on the voltage input to the first output module 3, and perform current adjustment on the adjusted power; the intelligent control module 2 can adopt a micro-control circuit, integrates a plurality of components such as an arithmetic unit, a controller, a memory, an input/output unit and the like, and realizes the functions of signal processing, data storage, module control, timing control and the like; the first output module 3 may adopt a first output circuit composed of a diode, a voltage stabilizer, etc., and perform voltage stabilizing adjustment processing on the input electric energy; the second output module 4 can adopt a second output circuit composed of a diode, a voltage stabilizer and the like to perform voltage stabilizing adjustment treatment on the input electric energy; the third output module 5 may adopt a third output circuit composed of a diode, a voltage stabilizer, etc., to perform voltage stabilizing adjustment on the input electric energy; the output adjusting module 6 can adopt an output adjusting circuit formed by a power tube, a driver and the like to provide driving capability of signals, perform superposition processing on the first output module 3 and the second output module 4 and perform release processing on the third output module 5; the output control module 7 can adopt an output control circuit composed of a power tube, a triode, a diode and the like, receives the electric energy output by the first output module 3, the second output module 4 and the third output module 5 and controls the transmission state of the electric energy; the energy storage module 8 can adopt an energy storage circuit formed by energy storage devices to realize electric energy storage and discharge; the discharge regulating module 9 can adopt a discharge regulating circuit composed of a power tube, an inductor and the like to realize boost regulation; the motherboard module 10 may be connected to a motherboard by using a motherboard interface.
In another embodiment, referring to fig. 1, 2, 3 and 4, the power supply power regulation module 1 includes a power supply interface, an input processing device, a first capacitor C1, a peak absorbing device, a first transformer B1, a first power tube Q1, a first resistor R1, a second resistor R2 and a third resistor R3; the intelligent control module 2 comprises a first controller U1;
specifically, the first input end and the second input end of the power interface are respectively connected with the first end and the second end of the input processing device, the first output end of the input processing device is connected with one end of the first capacitor C1, the first end of the peak absorbing device is connected with the first end of the primary side of the first transformer B1, the second end of the primary side of the first transformer B1 is connected with the drain electrode of the first power tube Q1 and the second end of the peak absorbing device, the source electrode of the first power tube Q1 is connected with the IO2 end of the first controller U1 and is connected with the second end of the first capacitor C1 through the first resistor R1, the second output end of the input processing device is connected with the ground end of the first controller U1, the first end of the second resistor R2 is connected with the first output module 3, the second end of the second resistor R2 is connected with the IO4 end of the first controller U1 and is grounded through the third resistor R3, and the gate electrode of the first power tube Q1 is connected with the 1 end of the first controller U1.
In a specific embodiment, the input processing device may be composed of an EMI filter and a controllable rectifier, so as to implement EMI filtering and controllable rectifying processing; the peak absorbing device can be composed of an RCD absorbing circuit for absorbing peak voltage generated by the first power tube Q1; the first power tube Q1 can be an N-channel field effect tube; the first transformer B1 can adopt a plurality of groups of high-frequency transformers with secondary windings to realize multipath isolation output; the first controller U1 may be a DSP chip, and the specific model is not limited.
Further, the first output module 3 includes a first diode D1, a first voltage regulator J1, and a second capacitor C2; the output control module 7 comprises a fourth resistor R4, a fifth power tube Q5 and a first switch tube VT1; the motherboard module 10 includes a motherboard interface;
specifically, an anode of the first diode D1 is connected to a first end of the first secondary side of the first transformer B1, a cathode of the first diode D1 is connected to a first end of the first voltage stabilizer J1 and a first end of the second resistor R2, a third end of the first voltage stabilizer J1 is connected to a first end of the second capacitor C2 and a drain of the fifth power tube Q5 and is connected to a gate of the fifth power tube Q5 and a collector of the first switch tube VT1 through the fourth resistor R4, a second end of the first voltage stabilizer J1, a second end of the first secondary side of the first transformer B1 and a second end of the second capacitor C2 are all grounded, an emitter of the first switch tube VT1 is grounded, a base of the first switch tube VT1 is connected to an IO9 end of the first controller U1, a source of the fifth power tube Q5 is connected to a first power source end of the main board interface, and a start end and a standby end of the main board interface are respectively connected to an IO7 end and an IO8 end of the first controller U1.
In a specific embodiment, the first voltage stabilizer J1 may be an LM371 adjustable voltage stabilizer, and outputs positive voltage; the first switch tube VT1 can be an NPN triode; the main board connected with the main board interface can output a restarting signal and a standby signal when the main board is restarted and standby.
Further, the second output module 4 includes a second diode D2, a second voltage regulator J2, and a third capacitor C3; the output control module 7 further comprises a fifth resistor R5, a sixth power tube Q6, a second switching tube VT2, a fourth diode D4 and a fifth diode D5;
specifically, an anode of the second diode D2 is connected to a first end of the second secondary side of the first transformer B1, a cathode of the second diode D2 is connected to a first end of the second voltage regulator J2, a third end of the second voltage regulator J2 is connected to one end of the fifth resistor R5 and a drain of the sixth diode Q6, and is connected to a second end of the second voltage regulator J2, a second end of the second secondary side of the first transformer B1 and a ground end through a third capacitor C3, another end of the fifth resistor R5 is connected to a gate of the sixth power tube Q6 and a collector of the second switching tube VT2, an emitter of the second switching tube VT2 is grounded, a source of the sixth power tube Q6 is connected to a second power source end of the main board interface, a base of the second switching tube VT2 is connected to a cathode of the fourth diode D4 and a cathode of the fifth diode D5, and anodes of the fourth diode D4 and an anode of the fifth diode D5 are connected to an IO9 end and an IO end of the first controller U1, respectively.
In a specific embodiment, the second voltage stabilizer J2 may be an LM371 adjustable voltage stabilizer, and outputs positive voltage; the sixth power tube Q6 can be an N-channel field effect tube; the second switching transistor VT2 may be an NPN transistor.
Further, the third output module 5 includes a third diode D3, a third voltage regulator J3, and a fourth capacitor C4; the output control module 7 further comprises a seventh power tube Q7, a sixth resistor R6 and a third switching tube VT3;
specifically, the cathode of the third diode D3 is connected to the second end of the third secondary side of the first transformer B1, the anode of the third diode D3 is connected to the first end of the third voltage stabilizer J3, the third end of the third voltage stabilizer J3 is connected to the source of the seventh power tube Q7 and is connected to the second end of the third voltage stabilizer J3 through the fourth capacitor C4, the source of the seventh power tube Q7 is connected to the third power end of the main board interface, the gate of the seventh power tube Q7 is connected to the collector of the third switch tube VT3 and is connected to the third end of the second voltage stabilizer J2 through the sixth resistor R6, the emitter of the third switch tube VT3 is grounded, and the base of the third switch tube VT3 is connected to the cathode of the fourth diode D4.
In a specific embodiment, the third voltage stabilizer J3 may be an LM371 adjustable voltage stabilizer, outputting a negative voltage; the seventh power tube Q7 can be an N-channel field effect tube; the third switching transistor VT3 may be an NPN transistor.
Further, the output adjusting module 6 includes a first driver, a second power tube Q2, a third power tube Q3 and a fourth power tube Q4; the energy storage module 8 comprises an energy storage device;
specifically, the drain electrode of the second power tube Q2 is connected to the second end of the second voltage stabilizer J2, the source electrode of the second power tube Q2 is connected to the second end of the second capacitor C2, the drain electrode of the third power tube Q3 is connected to the first end of the second capacitor C2, the source electrode of the third power tube Q3 is connected to the first end of the energy storage device, the second end of the energy storage device and the drain electrode of the fourth power tube Q4 are both grounded, the input end of the first driver is connected to the IO5 end of the first controller U1, the first output end, the second output end and the third output end of the first driver are respectively connected to the gate electrode of the second power tube Q2, the gate electrode of the third power tube Q3 and the gate electrode of the fourth power tube Q4, and the source electrode of the fourth power tube Q4 is connected to the third end of the third voltage stabilizer J3.
In a specific embodiment, the first driver may be three groups of field effect transistor drivers, so as to realize driving control of the second power tube Q2, the third power tube Q3 and the fourth power tube Q4, and the specific model is not limited; the second power tube Q2 and the third power tube Q3 may be N-channel field effect tubes, where the second power tube Q2 may perform electric energy superposition processing on the second capacitor C2 and the third capacitor C3, and then the electric energy is transmitted to the energy storage device by the third power tube Q3, and the superposition processing on the multiplexed positive voltage may be implemented by expanding the second power tube Q2, which is not described herein; the fourth power tube Q4 may be an N-channel field effect tube, and performs a relief treatment on the negative voltage output by the third voltage stabilizer J3, where the relief treatment on the negative voltage output by multiple paths may be implemented by expanding the fourth power tube, which is not described herein in detail; the energy storage device can be a lithium battery.
Further, the discharge regulating module 9 includes an eighth power tube Q8, a first inductor L1, a ninth power tube Q9, and a sixth diode D6;
specifically, a source electrode of the eighth power tube Q8 is connected to the first end of the energy storage device, a source electrode of the eighth power tube Q8 is connected to a drain electrode of the ninth power tube Q9 and an anode electrode of the sixth diode D6 through the first inductor L1, a cathode electrode of the sixth diode D6 is connected to the first output end of the input processing device, the source electrode of the ninth power tube Q9 is grounded, and a gate electrode of the eighth power tube Q8 and a gate electrode of the ninth power tube Q9 are respectively connected to the IO6 end and the IO10 end of the first controller U1.
In a specific embodiment, the eighth power transistor Q8 and the ninth power transistor Q9 may be N-channel field effect transistors, where the eighth power transistor Q8 performs power transmission control, and the ninth power transistor Q9 performs boost processing in cooperation with the first inductor L1 and the sixth diode D6.
In the power conversion adjusting circuit for a motherboard, a power interface is connected with alternating current power, an input processing device and a first capacitor C1 are used for carrying out input EMI filtering, controllable rectification and processing, a first controller U1 outputs a first pulse signal according to voltage signals sampled by a second resistor R2 and a third resistor R3 and current signals sampled by the first resistor R1, so as to adjust the conduction degree of a first power tube Q1, a first transformer B1 is used for carrying out isolation direct current adjustment processing and multiplexing output, a first voltage stabilizer J1, a second voltage stabilizer J2 and a third voltage stabilizer J3 are used for respectively carrying out voltage stabilizing adjustment to provide different positive voltages and negative voltages, a fifth power tube Q5, a sixth power tube Q6 and a seventh power tube Q7 are used for transmitting the voltage signals to the motherboard connected with the motherboard interface, when the motherboard is restarted, an IO9 end of the first controller U1 outputs a second control signal, the first switch tube VT1, the second switch tube VT2 and the third switch tube VT3 are controlled to be conducted, the fifth power tube Q5, the sixth power tube Q6 and the seventh power tube Q7 are cut off, meanwhile, the IO5 end of the first controller U1 outputs a first control signal, the second power tube Q2, the third power tube Q3 and the fourth power tube Q4 are driven to be conducted after passing through a first driver, the electric energy stored by the second capacitor C2 and the third capacitor C3 is subjected to direct current superposition processing by the second power tube Q2 and the third power tube Q3 and transmitted to an energy storage device, the fourth power tube Q4 is subjected to discharge processing on the electric energy stored by the fourth capacitor C4, when the main board is in standby operation, the IO6 end of the first controller U1 outputs a third control signal, the operation of the control input processing device is stopped, the first switch tube VT1, the second switch tube VT2 and the eighth power tube Q8 are controlled to be conducted, meanwhile, the first controller U1 controls the ninth power tube Q9 to perform boosting regulation so that the energy storage device provides standby electric energy for the first transformer B1, the first voltage stabilizer J1 performs voltage stabilization regulation, and the fifth power tube Q5 transmits the standby electric energy for the main board.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. A power supply conversion regulating circuit for a motherboard is characterized in that,
the power conversion regulating circuit for a motherboard includes: the system comprises a power supply power adjusting module, an intelligent control module, a first output module, a second output module, a third output module, an output adjusting module, an output control module, an energy storage module, a discharge adjusting module and a main board module;
the power supply power regulating module is connected with the intelligent control module and the discharge regulating module, and is used for accessing alternating current electric energy, receiving a first control signal output by the intelligent control module, performing AC-DC (alternating current-direct current) processing on the alternating current electric energy, receiving a first pulse signal output by the intelligent control module, performing power regulating processing on the processed electric energy and the electric energy output by the discharge regulating module, performing current detection and outputting a current signal, and performing voltage sampling on the first output module and outputting a voltage signal;
the intelligent control module is connected with the output adjusting module, the main board module, the discharge adjusting module and the output control module, and is used for outputting a first pulse signal, receiving a current signal and a voltage signal and adjusting the duty ratio of the first pulse signal, outputting the first control signal and controlling the output adjusting module to perform electric energy superposition and discharge work, receiving a standby signal output by the main board module and outputting a third control signal to control the cut-off work of the second output module and the third output module, outputting a second pulse signal and controlling the discharge work of the discharge adjusting module, and receiving a restarting signal output by the main board module and outputting a second control signal to control the cut-off work of the first output module, the second output module and the third output module;
the first output module is connected with the power supply power adjusting module and is used for carrying out voltage stabilization adjustment on the electric energy output by the power supply power adjusting module and outputting first electric energy;
the second output module is connected with the power supply power adjusting module and is used for carrying out voltage stabilizing adjustment on the electric energy output by the power supply power adjusting module and outputting second electric energy;
the third output module is connected with the power supply power adjusting module and is used for carrying out voltage stabilizing adjustment on the electric energy output by the power supply power adjusting module and outputting third electric energy;
the output adjusting module is connected with the first output module, the second output module, the third output module and the energy storage module, and is used for improving the driving capability of the first control signal, performing superposition adjusting treatment on the first electric energy and the second electric energy, performing discharge treatment on the third electric energy and transmitting the superposition-adjusted electric energy to the energy storage module;
the output control module is connected with the first output module, the second output module and the third output module, and is used for transmitting the first electric energy, the second electric energy and the third electric energy to the main board module, receiving the second control signal and stopping the transmission of the first electric energy, the second electric energy and the third electric energy, and receiving the third control signal and stopping the transmission of the second electric energy and the third electric energy;
the energy storage module is connected with the discharge regulating module and used for storing the electric energy output by the output regulating module, releasing the stored electric energy and transmitting the electric energy to the discharge regulating module;
the discharging adjusting module is connected with the output control module and is used for receiving the second pulse signal and the third control signal and performing boosting adjustment on the electric energy released by the energy storage module;
the main board module is used for receiving the first electric energy, the second electric energy and the third electric energy and is connected with the main board, outputting a standby signal when the main board is in a standby state, and outputting a restarting signal when the main board is in a restarting state.
2. The power conversion regulator circuit for a motherboard according to claim 1, wherein the power supply power regulation module comprises a power interface, an input processing device, a first capacitor, a peak absorbing device, a first transformer, a first power tube, a first resistor, a second resistor, and a third resistor; the intelligent control module comprises a first controller;
the first input end and the second input end of the power interface are respectively connected with the first end and the second end of the input processing device, the first output end of the input processing device is connected with one end of the first capacitor, the first end of the peak absorbing device is connected with the first end of the primary side of the first transformer, the second end of the primary side of the first transformer is connected with the drain electrode of the first power tube and the second end of the peak absorbing device, the source electrode of the first power tube is connected with the IO2 end of the first controller and is connected with the second end of the first capacitor through the first resistor, the second output end of the input processing device is connected with the ground end, the control end of the input processing device is connected with the IO3 end of the first controller, the first end of the second resistor is connected with the first output module, the second end of the second resistor is connected with the IO4 end of the first controller and is grounded through the third resistor, and the grid electrode of the first power tube is connected with the IO1 end of the first controller.
3. The power conversion regulator circuit for a motherboard according to claim 2, wherein the first output module comprises a first diode, a first voltage regulator, and a second capacitor; the output control module comprises a fourth resistor, a fifth power tube and a first switching tube; the main board module comprises a main board interface;
the positive pole of first diode connects the first end of the first secondary of first transformer, the first end of first voltage regulator and the first end of second resistance are connected to the negative pole of first diode, the first end of second electric capacity and the drain electrode of fifth power tube are connected to the third end of first voltage regulator and pass through the drain electrode of fourth electric capacity and connect the grid of fifth power tube and the collecting electrode of first switching tube, the second end of first voltage regulator, the second end of first secondary of first transformer and the second end of second electric capacity all ground terminal, the projecting pole ground of first switching tube, the IO9 end of first controller is connected to the base of first switching tube, the first power end of mainboard interface is connected to the source electrode of fifth power tube, the IO7 end and the IO8 end of first controller are connected respectively to the start-up end and the standby end of mainboard interface.
4. The power conversion regulator circuit for a motherboard according to claim 3, wherein said second output module comprises a second diode, a second voltage regulator, and a third capacitor; the output control module further comprises a fifth resistor, a sixth power tube, a second switching tube, a fourth diode and a fifth diode;
the anode of the second diode is connected with the first end of the second secondary side of the first transformer, the cathode of the second diode is connected with the first end of the second voltage stabilizer, the third end of the second voltage stabilizer is connected with one end of the fifth resistor and the drain electrode of the sixth power tube and is connected with the second end of the second voltage stabilizer, the second end of the second secondary side of the first transformer and the ground end through the third capacitor, the other end of the fifth resistor is connected with the grid electrode of the sixth power tube and the collector electrode of the second switching tube, the emitter electrode of the second switching tube is grounded, the source electrode of the sixth power tube is connected with the second power end of the main board interface, the base electrode of the second switching tube is connected with the cathode of the fourth diode and the cathode of the fifth diode, and the anode of the fourth diode and the anode of the fifth diode are respectively connected with the IO9 end and the IO6 end of the first controller.
5. The power conversion regulator circuit for a motherboard according to claim 4, wherein said third output module comprises a third diode, a third voltage regulator, and a fourth capacitor; the output control module further comprises a seventh power tube, a sixth resistor and a third switching tube;
the cathode of the third diode is connected with the second end of the third secondary side of the first transformer, the anode of the third diode is connected with the first end of the third voltage stabilizer, the third end of the third voltage stabilizer is connected with the source electrode of the seventh power tube and is connected with the second end of the third voltage stabilizer, the second end of the third secondary side of the first transformer and the ground end through the fourth capacitor, the source electrode of the seventh power tube is connected with the third power end of the main board interface, the grid electrode of the seventh power tube is connected with the collector electrode of the third switch tube and is connected with the third end of the second voltage stabilizer through the sixth resistor, the emitter electrode of the third switch tube is grounded, and the base electrode of the third switch tube is connected with the cathode of the fourth diode.
6. The power conversion regulator circuit for a motherboard according to claim 5, wherein the output regulator module comprises a first driver, a second power tube, a third power tube, and a fourth power tube; the energy storage module comprises an energy storage device;
the drain electrode of the second power tube is connected with the second end of the second voltage stabilizer, the source electrode of the second power tube is connected with the second end of the second capacitor, the drain electrode of the third power tube is connected with the first end of the second capacitor, the source electrode of the third power tube is connected with the first end of the energy storage device, the second end of the energy storage device and the drain electrode of the fourth power tube are grounded, the input end of the first driver is connected with the IO5 end of the first controller, the first output end, the second output end and the third output end of the first driver are respectively connected with the grid electrode of the second power tube, the grid electrode of the third power tube and the grid electrode of the fourth power tube, and the source electrode of the fourth power tube is connected with the third end of the third voltage stabilizer.
7. The power conversion regulator circuit for a motherboard according to claim 6, wherein the discharge regulator module comprises an eighth power tube, a first inductor, a ninth power tube, and a sixth diode;
the source electrode of the eighth power tube is connected with the first end of the energy storage device, the source electrode of the eighth power tube is connected with the drain electrode of the ninth power tube and the anode of the sixth diode through the first inductor, the cathode of the sixth diode is connected with the first output end of the input processing device, the source electrode of the ninth power tube is grounded, and the grid electrode of the eighth power tube and the grid electrode of the ninth power tube are respectively connected with the IO6 end and the IO10 end of the first controller.
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