CN116155114A - Insulated DC-DC (direct current-direct current) regulating power supply control device based on IGBT (insulated Gate Bipolar transistor) - Google Patents
Insulated DC-DC (direct current-direct current) regulating power supply control device based on IGBT (insulated Gate Bipolar transistor) Download PDFInfo
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- CN116155114A CN116155114A CN202310418863.XA CN202310418863A CN116155114A CN 116155114 A CN116155114 A CN 116155114A CN 202310418863 A CN202310418863 A CN 202310418863A CN 116155114 A CN116155114 A CN 116155114A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The invention discloses an insulated DC-DC regulating power supply control device based on an IGBT, which relates to the technical field of energy control and comprises an intelligent control module, a signal receiving module and a power supply control module, wherein the intelligent control module is used for receiving signals and controlling the modules; the voltage regulating module is used for carrying out direct current isolation regulation; the output control module is used for adjusting the input electric energy and carrying out coordinated power supply; the variable adjusting module is used for providing a feedback signal; the signal control module is used for selecting signal transmission and controlling the electric variable judging module to judge the electric variable degree in cooperation with the variable adjusting module. The intelligent control module is used for controlling the electric variable judging module to judge the electric variable degree by combining the sampled signals, the intelligent control module is used for controlling the output control module to coordinate and supply power, and the power supply duty ratio of the output control module and the voltage regulating module is gradually changed according to the feedback signals.
Description
Technical Field
The invention relates to the technical field of energy control, in particular to an insulated DC-DC (direct current-direct current) regulating power supply control device based on an IGBT (insulated Gate Bipolar transistor).
Background
Along with the development of social science and technology, an isolated DC-DC regulating power supply is widely used in the field of electric energy regulation, in order to isolate the power supply efficiency of the DC-DC regulating power supply in a high-power supply, an IGBT is mostly adopted as a switching tube for use, the existing isolated DC-DC regulating power supply based on the IGBT is mostly controlled by a microcontroller, and particularly, a required pulse signal is output according to a sampling voltage and current signal received by the microcontroller, then the electric energy required by the isolated DC-DC regulating power supply based on the IGBT is controlled, the electric energy regulating efficiency is determined by the circuit performance formed by the IGBT and the performance of the microcontroller, and the like, so that when the required electric energy is higher, a longer time is required for circuit debugging, and then the output electric energy is controlled to be the electric energy required by a user, which is troublesome, and therefore, the electric energy regulating device needs to be improved.
Disclosure of Invention
The embodiment of the invention provides a control device for an insulated DC-DC (direct current-direct current) regulating power supply based on an IGBT (insulated Gate Bipolar transistor), which aims to solve the problems in the background technology.
According to an embodiment of the present invention, there is provided an IGBT-based isolated DC-DC regulated power supply control apparatus including: the device comprises a power supply module, an intelligent control module, a voltage regulation module, an output control module, an output sampling module, a variable regulation module, an electric variable judgment module and a signal control module;
the power supply module is used for providing direct-current electric energy and absorbing high-voltage spikes;
the intelligent control module is connected with the electric variable judging module, the signal control module, the output sampling module, the output control signal and the variable adjusting module, and is used for receiving data output by the electric variable judging module, receiving signals output by the signal control module and the output sampling module, outputting a first pulse signal and a second pulse signal, respectively adjusting pulse widths of the first pulse signal and the second pulse signal according to the received data and signals, outputting the first control signal and controlling the operation of the output control module, and outputting the second control signal and controlling the operation of the variable adjusting module;
the voltage regulating module is connected with the intelligent control module and the power supply module and is used for receiving the first pulse signal and performing DC-DC isolation regulation on the input electric energy;
the output control module is connected with the power supply module, the voltage regulating module and the intelligent control module and is used for receiving the second pulse signal through the output regulating circuit and performing DC-DC isolation regulation on the electric energy output by the power supply module, and is used for receiving the first control signal and controlling the work of the output regulating circuit and the transmission of the electric energy;
the output module is connected with the output control module and is used for receiving the electric energy transmitted by the output control module;
the output sampling module is connected with the output control module and the output module, and is used for performing voltage sampling on the electric energy input into the output control module and the electric energy input into the output module and respectively outputting a first voltage signal and a second voltage signal;
the variable adjusting module is used for providing a first feedback signal and adjusting the voltage value of the first feedback signal according to the second control signal;
the electric variable judging module is connected with the variable adjusting module and is used for carrying out subtraction processing on the signal output by the signal control module and the first feedback signal and outputting electric variable data;
the signal control module is connected with the output sampling module and the electric variable judging module and is used for receiving the first voltage signal and the second voltage signal and selectively transmitting the first voltage signal and the second voltage signal to the electric variable judging module according to electric variable data.
Compared with the prior art, the invention has the beneficial effects that: the intelligent control module is used for adjusting the feedback value output by the variable adjusting module, the output sampling module is used for output sampling, the signal control module is used for signal transmission and is matched with the electric variable judging module to judge the electric variable degree, then the intelligent control module is used for controlling the output control module and the voltage adjusting module to supply power in a coordinated manner, the final required electric energy is rapidly met, the electric energy debugging time is shortened, the power supply duty ratio of the output control module and the voltage adjusting module is gradually changed according to the feedback signal, and finally the voltage adjusting module is used for independently supplying power, so that the stability of power supply is improved.
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 control device for an IGBT-based isolated DC-DC regulated power supply according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of an IGBT-based isolated DC-DC regulated power supply control device according to an example of the present invention.
Fig. 3 is a circuit diagram of a signal control module provided by an embodiment of the present invention.
Fig. 4 is a circuit diagram of a variable adjustment module and an electric variable judgment module provided by an example 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, an IGBT-based isolated DC-DC regulated power supply control apparatus includes: the device comprises a power supply module 1, an intelligent control module 2, a voltage regulation module 3, an output control module 4, an output module 5, an output sampling module 6, a variable regulation module 7, an electric variable judgment module 8 and a signal control module 9;
specifically, the power module 1 is configured to provide dc power and absorb a high voltage spike;
the intelligent control module 2 is connected with the electric variable judging module 8, the signal control module 9, the output sampling module 6, the output control signal and the variable adjusting module 7, and is used for receiving data output by the electric variable judging module 8, receiving signals output by the signal control module 9 and the output sampling module 6, outputting a first pulse signal and a second pulse signal, respectively adjusting pulse width of the first pulse signal and the second pulse signal according to the received data and signals, outputting the first control signal and controlling the operation of the output control module 4, and outputting the second control signal and controlling the operation of the variable adjusting module 7;
the voltage regulating module 3 is connected with the intelligent control module 2 and the power supply module 1 and is used for receiving the first pulse signal and performing DC-DC isolation regulation on the input electric energy;
the output control module 4 is connected with the power supply module 1, the voltage regulating module 3 and the intelligent control module 2, and is used for receiving the second pulse signal through an output regulating circuit and performing DC-DC isolation regulation on the electric energy output by the power supply module 1, and is used for receiving the first control signal and controlling the work of the output regulating circuit and the transmission of the electric energy;
the output module 5 is connected with the output control module 4 and is used for receiving the electric energy transmitted by the output control module 4;
the output sampling module 6 is connected with the output control module 4 and the output module 5, and is used for performing voltage sampling on the electric energy input into the output control module 4 and the electric energy input into the output module 5 and respectively outputting a first voltage signal and a second voltage signal;
a variable adjustment module 7, configured to provide a first feedback signal and adjust a voltage value of the first feedback signal according to the second control signal;
the electric variable judging module 8 is connected with the variable adjusting module 7 and is used for carrying out subtraction processing on the signal output by the signal control module 9 and the first feedback signal and outputting electric variable data;
the signal control module 9 is connected with the output sampling module 6 and the electric variable judging module 8, and is used for receiving the first voltage signal and the second voltage signal and selectively transmitting the first voltage signal and the second voltage signal to the electric variable judging module 8 according to electric variable data.
In a specific embodiment, the power module 1 may employ a power circuit and a protection circuit, where the power circuit provides the required dc power, and the protection circuit absorbs the high voltage spike in the circuit; the intelligent control module 2 may adopt, but is not limited to, a single chip microcomputer and other components integrated with an arithmetic unit, a controller, a memory, an input/output unit and other components, so as to realize functions of signal processing, data storage, module control, timing control and the like, and a related power tube driving device is configured to improve the driving capability of a power tube, and is not described in detail herein; the voltage regulating module 3 can adopt a DC-DC isolation circuit composed of IGBT to carry out high-power DC-DC isolation regulation; the output control module 4 can adopt an output regulating circuit and a switch control circuit, the output regulating circuit is used for coordinated power supply, and the switch control circuit is used for electric energy transmission; the output module 5 is used for receiving and outputting electric energy, and is not described herein; the output sampling module 6 can sample voltage by adopting a voltage sampling circuit; the variable adjusting module 7 can adopt a variable adjusting circuit to output a feedback signal and adjust the value of the feedback signal; the above-mentioned electric variable judging module 8 can adopt electric variable judging circuit to calculate the difference value of feedback signal and sampling signal, then judge the electric variable condition; the signal control module 9 may use a path selection circuit to selectively transmit the signal output by the output sampling module 6.
In another embodiment, referring to fig. 1, 2, 3 and 4, the power module 1 includes a dc power supply, a first capacitor C1, a first inductor L1, a first power tube Q1, and a second capacitor C2; the intelligent control module 2 comprises a first controller U1;
specifically, the first end of the dc power supply is connected to one end of the first capacitor C1 and connected to the collector of the first power tube Q1 through the first inductor L1, the gate of the first power tube Q1 is connected to the first IO end of the first controller U1, and the emitter of the first power tube Q1 is connected to the other end of the first capacitor C1 and the second end of the dc power supply through the second capacitor C2.
In a specific embodiment, the first power tube Q1 may be an IGBT, and is matched with the first capacitor C1, the first inductor L1, and the second capacitor C2 to form a protection circuit; the first controller U1 can be an STM32 singlechip and an IGBT driver.
Further, the voltage regulating module 3 includes a second power tube Q2, a third power tube Q3, a fourth power tube Q4, a fifth power tube Q5, a second inductor L2, a first transformer W1, a sixth power tube Q6, a seventh power tube Q7, an eighth power tube Q8, a ninth power tube Q9, and a third capacitor C3;
specifically, the collector of the second power tube Q2 is connected to the collector of the fourth power tube Q4 and the collector of the first power tube Q1, the emitter of the second power tube Q2 is connected to the collector of the third power tube Q3 and is connected to the first end of the primary side of the first transformer W1 through the second inductor L2, the emitter of the fourth power tube Q4 is connected to the collector of the fifth power tube Q5 and the second end of the primary side of the first transformer W1, the emitter of the third power tube Q3 is connected to the emitter of the fifth power tube Q5 and the second end of the dc power supply, the emitter of the sixth power tube Q6 is connected to the first end of the secondary side of the first transformer W1 and the collector of the seventh power tube Q7, the emitter of the eighth power tube Q8 is connected to the collector of the ninth power tube Q9 and the second end of the secondary side of the first transformer W1, the collector of the sixth power tube Q6 is connected with the collector of the eighth power tube Q8 and the first end of the third capacitor C3, the emitter of the seventh power tube Q7 is connected with the emitter of the ninth power tube Q9 and the second end of the third capacitor C3, the grid of the second power tube Q2, the grid of the third power tube Q3, the grid of the fourth power tube Q4, the grid of the fifth power tube Q5, the grid of the sixth power tube Q6, the grid of the seventh power tube Q7, the grid of the eighth power tube Q8 and the grid of the ninth power tube Q9 are respectively connected with the second IO end, the third IO end, the fourth IO end, the fifth IO end, the sixth IO end, the seventh IO end, the eighth IO end and the ninth IO end of the first controller U1.
In a specific embodiment, the second power tube Q2, the third power tube Q3, the fourth power tube Q4, the fifth power tube Q5, the sixth power tube Q6, the seventh power tube Q7, the eighth power tube Q8 and the ninth power tube Q9 may all be IGBTs, and cooperate with the second inductor L2, the first transformer W1 and the third capacitor C3 to form a DC-DC isolation circuit composed of IGBTs; the first transformer W1 is a high-frequency transformer.
Further, the output control module 4 includes a first diode D1, a second transformer W2, a tenth power tube Q10, a fifth resistor R5, a sixth resistor R6, and a first relay switch K1-1; the output module 5 comprises an output port;
specifically, the anode of the first diode D1 is connected to the first end of the dc power supply, the cathode of the first diode D1 is connected to the second end of the secondary side of the second transformer W2, the first end of the secondary side of the second transformer W2 is connected to the collector of the tenth power tube Q10, the emitter of the tenth power tube Q10 is connected to one end of the sixth resistor R6 and is grounded through the fifth resistor R5, the gate of the tenth power tube Q10 and the other end of the sixth resistor R6 are respectively connected to the twelfth IO end and the thirteenth IO end of the first controller U1, the first end of the primary side of the second transformer W2 is connected to the first end of the first relay switch K1-1 and the first end of the third capacitor C3, the second end of the first relay switch K1-1 is connected to the second end of the primary side of the second transformer W2 and the first end of the output port, and the second end of the output port is grounded.
In a specific embodiment, the tenth power tube Q10 may be an IGBT, and is matched with a first diode D1, a second transformer W2, a fifth resistor R5, and a sixth resistor R6 to form an output adjusting circuit, and coordinate with the voltage adjusting module 3 to supply power, where the fifth resistor R5 is used for current sampling and is transmitted by the sixth resistor R6; the first relay switch K1-1 may be a normally closed switch, and forms a switch control circuit, so that the operation of the power transmission and output adjustment circuit may be controlled by a first relay (not shown), and the first relay may be triggered by the first controller U1, which is not described herein.
Further, the output sampling module 6 includes a first resistor R1, a second resistor R2, a third resistor R3, and a fourth resistor R4;
specifically, the first end of the first resistor R1 and the first end of the third resistor R3 are respectively connected to the first end of the first relay switch K1-1 and the first end of the output port, the second end of the first resistor R1 is connected to the tenth IO end of the first controller U1 and is grounded through the second resistor R2, and the second end of the third resistor R3 is connected to the eleventh IO end of the first controller U1 and is grounded through the fourth resistor R4.
In a specific embodiment, the first resistor R1 and the second resistor R2 are used for sampling the electric energy of the output control module 4; the third resistor R3 and the fourth resistor R4 are used for sampling the electric energy of the output module 5.
Further, the signal control module 9 includes a second power VCC2, a fourteenth resistor R14, a fifteenth resistor R15, a first switching tube VT1, a sixteenth resistor R16, a first inverter INV1, and a first analog switch U2;
specifically, the second power VCC2 is connected to one end of the sixteenth resistor R16, the collector of the first switching tube VT1, the second control end of the first analog switch U2, and the input end of the first inverter INV1 through the fifteenth resistor R15, the output end of the first inverter INV1 is connected to the second control end of the first analog switch U2, the first input end and the second input end of the first analog switch U2 are respectively connected to the second end of the third resistor R3 and the second end of the first resistor R1, the base of the first switching tube VT1 is connected to the first end of the fourteenth resistor R14, the second end of the fourteenth resistor R14 is connected to the electrical variable judging module 8, the emitter of the first switching tube VT1 is grounded, the first output end of the first analog switch U2 is connected to the second output end of the first analog switch U2 and the electrical variable judging module 8, and the other end of the sixteenth resistor R16 is connected to the sixteenth IO end of the first controller U1.
In a specific embodiment, the first switching transistor VT1 may be an NPN transistor; the first analog switch U2 may be a CD4066 chip, and when the first switch tube VT1 is not turned on, the second control end of the first analog switch U2 is at a high level due to the second power VCC2, so that the second input end and the second output end of the first analog switch U2 are in a conductive state.
Further, the electrical variable judging module 8 includes a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, a fourth capacitor C4, and a first operational amplifier OP1;
specifically, the first end of the ninth resistor R9 is connected to the variable adjustment module 7, the second end of the ninth resistor R9 is connected to the inverting end of the first operational amplifier OP1 and connected to the output end of the first operational amplifier OP1 and one end of the thirteenth resistor R13 through the eleventh resistor R11, the output end of the first operational amplifier OP1 is further connected to the signal control module 9, the other end of the thirteenth resistor R13 is connected to the fourteenth IO end of the first controller U1 and grounded through the fourth capacitor C4, the in-phase end of the first operational amplifier OP1 is connected to the first end of the tenth resistor R10 and grounded through the twelfth resistor R12, and the second end of the tenth resistor R10 is connected to the first output end of the first analog switch U2.
In a specific embodiment, the first operational amplifier OP1 may be an OP07 operational amplifier, and is matched with a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a thirteenth resistor R13, and a fourth capacitor C4 to form an electric variable judging circuit, so as to judge the degree of the electric variable; the output end of the first operational amplifier OP1 is further connected to the second end (not shown) of the fourteenth resistor R14 in the connection of the signal control module 9 and the output end of the first operational amplifier OP 1.
Further, the variable adjustment module 7 includes a first power source VCC1, a seventh resistor R7, an eighth resistor R8, and a first adjustment tube M1;
the first power supply VCC1 is connected to the first end of the ninth resistor R9 and one end of the eighth resistor R8 through a seventh resistor R7, the other end of the eighth resistor R8 is connected to the drain electrode of the first regulating tube M1, the source electrode of the first regulating tube M1 is grounded, and the gate electrode of the first regulating tube M1 is connected to the fifteenth IO end of the first controller U1.
In a specific embodiment, the first adjusting tube M1 may be an N-channel enhancement type MOS tube, which is controlled by the first controller U1, and cooperates with the first power VCC1, the seventh resistor R7, and the eighth resistor R8 to change the output feedback signal value.
The invention relates to a DC-DC regulating power supply control device based on IGBT isolation, which is powered by a direct current power supply, a first inductor L1, a first power tube Q1 and a second capacitor C2 are used for absorbing high voltage peak, a first controller U1 is used for regulating the conduction degree of a second power tube Q2, a third power tube Q3, a fourth power tube Q4, a fifth power tube Q5, a sixth power tube Q6, a seventh power tube Q7, an eighth power tube Q8 and a ninth power tube Q9 according to the pulse width of a pulse signal which is regulated and output, DC-DC isolation regulation work is realized, the conduction degree of the first regulating tube M1 is regulated by the first controller U1 to change the feedback value of an inverting end which is input into a first operational amplifier OP1, namely, a voltage reference value which is finally required by an output module 5 is provided, the first operational amplifier OP1 is used for calculating the difference value between the fed back signal and the sampled signal, at this time, if the electric energy output by the voltage regulating module 3 is low, the first operational amplifier OP1 will control the first switch tube VT1 to be turned on, meanwhile, the first controller U1 will continuously control the first relay switch K1-1 to be turned off, the sampled signal and the feedback value are subtracted by the third resistor R3 and the fourth resistor R4 and received by the first controller U1, meanwhile, the conduction degree of the tenth power tube Q10 is regulated by the first controller U1, so that the electric energy output by the second transformer W2 is overlapped with the electric energy output by the voltage regulating module 3, at this time, if the signal sampled by the third resistor R3 and the fourth resistor R4 has a gap with the fed-back signal, the first controller U1 gradually regulates the pulse width of the input voltage regulating module 3 and the tenth power tube Q10, so as to realize that the electric energy output by the voltage regulating module 3 gradually rises, the electric energy output by the second transformer W2 gradually rises, until the power of the output module 5 reaches the required level, the first analog switch U2 will retransmit the signals sampled by the first resistor R1 and the second resistor R2, at this time, the first controller U1 will control the power output by the voltage regulating module 3 to rise gradually, but the power output by the second transformer W2 will drop gradually until the power output by the voltage regulating module 3 reaches the required level, the first controller U1 will control the first relay switch K1-1 to be turned on again, and the second transformer W2 stops working.
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 (8)
1. The utility model provides a keep apart DC-DC and adjust power controlling means based on IGBT which characterized in that:
the IGBT-based isolated DC-DC regulated power supply control device comprises: the device comprises a power supply module, an intelligent control module, a voltage regulation module, an output control module, an output sampling module, a variable regulation module, an electric variable judgment module and a signal control module;
the power supply module is used for providing direct-current electric energy and absorbing high-voltage spikes;
the intelligent control module is connected with the electric variable judging module, the signal control module, the output sampling module, the output control signal and the variable adjusting module, and is used for receiving data output by the electric variable judging module, receiving signals output by the signal control module and the output sampling module, outputting a first pulse signal and a second pulse signal, respectively adjusting pulse widths of the first pulse signal and the second pulse signal according to the received data and signals, outputting the first control signal and controlling the operation of the output control module, and outputting the second control signal and controlling the operation of the variable adjusting module;
the voltage regulating module is connected with the intelligent control module and the power supply module and is used for receiving the first pulse signal and performing DC-DC isolation regulation on the input electric energy;
the output control module is connected with the power supply module, the voltage regulating module and the intelligent control module and is used for receiving the second pulse signal through the output regulating circuit and performing DC-DC isolation regulation on the electric energy output by the power supply module, and is used for receiving the first control signal and controlling the work of the output regulating circuit and the transmission of the electric energy;
the output module is connected with the output control module and is used for receiving the electric energy transmitted by the output control module;
the output sampling module is connected with the output control module and the output module, and is used for performing voltage sampling on the electric energy input into the output control module and the electric energy input into the output module and respectively outputting a first voltage signal and a second voltage signal;
the variable adjusting module is used for providing a first feedback signal and adjusting the voltage value of the first feedback signal according to the second control signal;
the electric variable judging module is connected with the variable adjusting module and is used for carrying out subtraction processing on the signal output by the signal control module and the first feedback signal and outputting electric variable data;
the signal control module is connected with the output sampling module and the electric variable judging module and is used for receiving the first voltage signal and the second voltage signal and selectively transmitting the first voltage signal and the second voltage signal to the electric variable judging module according to electric variable data.
2. The IGBT-based isolated DC-DC regulated power supply control of claim 1 wherein the power supply module comprises a DC power supply, a first capacitor, a first inductor, a first power tube, a second capacitor; the intelligent control module comprises a first controller;
the first end of the direct current power supply is connected with one end of the first capacitor and is connected with the collector electrode of the first power tube through the first inductor, the grid electrode of the first power tube is connected with the first IO end of the first controller, and the emitter electrode of the first power tube is connected with the other end of the first capacitor and the second end of the direct current power supply through the second capacitor.
3. The IGBT-based isolated DC-DC regulated power supply control of claim 2 wherein the voltage regulation module comprises a second power tube, a third power tube, a fourth power tube, a fifth power tube, a second inductor, a first transformer, a sixth power tube, a seventh power tube, an eighth power tube, a ninth power tube, and a third capacitor;
the collector of the second power tube is connected with the collector of the fourth power tube and the collector of the first power tube, the emitter of the second power tube is connected with the collector of the third power tube and is connected with the first end of the primary side of the first transformer through the second inductor, the emitter of the fourth power tube is connected with the collector of the fifth power tube and the second end of the primary side of the first transformer, the emitter of the third power tube is connected with the emitter of the fifth power tube and the second end of the direct current power supply, the emitter of the sixth power tube is connected with the first end of the secondary side of the first transformer and the collector of the seventh power tube, the emitter of the eighth power tube is connected with the collector of the ninth power tube and the second end of the secondary side of the first transformer, the collector of the sixth power tube is connected with the collector of the eighth power tube and the first end of the third capacitor, the emitter of the seventh power tube is connected with the emitter of the ninth power tube and the second end of the third capacitor, and the grid of the second power tube, the grid of the third power tube, the grid of the fourth power tube, the grid of the fifth power tube, the grid of the sixth power tube, the grid of the seventh power tube, the grid of the eighth power tube and the grid of the ninth power tube are respectively connected with the second IO end, the third IO end, the fourth IO end, the fifth IO end, the sixth IO end, the seventh IO end, the eighth IO end and the ninth IO end of the first controller.
4. The IGBT-based isolated DC-DC regulated power supply control of claim 3 wherein the output control module comprises a first diode, a second transformer, a tenth power tube, a fifth resistor, a sixth resistor, and a first relay switch; the output module comprises an output port;
the positive pole of first diode is connected DC power supply's first end, and the second end of secondary side of second transformer is connected to the negative pole of first diode, and the collecting electrode of tenth power tube is connected to the first end of secondary side of second transformer, and the one end of sixth resistance is connected to the projecting pole of tenth power tube and is earthed through fifth resistance, and the grid of tenth power tube and the other end of sixth resistance are connected respectively twelfth IO end and thirteenth IO end of first controller, the first end of the primary side of second transformer is connected first end of first relay switch and the first end of third electric capacity, and the second end of first relay switch is connected the second end of the primary side of second transformer and the first end of output port, and the second end of output port is earthed.
5. The IGBT-based isolated DC-DC regulated power supply control of claim 4 wherein the output sampling module comprises a first resistor, a second resistor, a third resistor, and a fourth resistor;
the first end of the first resistor and the first end of the third resistor are respectively connected with the first end of the first relay switch and the first end of the output port, the second end of the first resistor is connected with the tenth IO end of the first controller and is grounded through the second resistor, and the second end of the third resistor is connected with the eleventh IO end of the first controller and is grounded through the fourth resistor.
6. The IGBT-based isolated DC-DC regulated power supply control of claim 5 wherein the signal control module comprises a second power supply, a fourteenth resistor, a fifteenth resistor, a first switching tube, a sixteenth resistor, a first inverter, a first analog switch;
the second power supply is connected with one end of a sixteenth resistor, a collector electrode of a first switching tube, a second control end of a first analog switch and an input end of a first inverter through a fifteenth resistor, an output end of the first inverter is connected with the second control end of the first analog switch, a first input end and a second input end of the first analog switch are respectively connected with a second end of a third resistor and a second end of the first resistor, a base electrode of the first switching tube is connected with a first end of a fourteenth resistor, a second end of the fourteenth resistor is connected with the electric variable judging module, an emitter electrode of the first switching tube is grounded, a first output end of the first analog switch is connected with a second output end of the first analog switch and the electric variable judging module, and the other end of the sixteenth resistor is connected with a sixteenth IO end of the first controller.
7. The IGBT-based isolated DC-DC regulated power supply control of claim 6 wherein the electrical variable decision module comprises a ninth resistor, a tenth resistor, an eleventh resistor, a twelfth resistor, a thirteenth resistor, a fourth capacitor, a first op amp;
the first end of the ninth resistor is connected with the variable adjusting module, the second end of the ninth resistor is connected with the inverting end of the first operational amplifier and is connected with the output end of the first operational amplifier and one end of the thirteenth resistor through the eleventh resistor, the output end of the first operational amplifier is also connected with the signal control module, the other end of the thirteenth resistor is connected with the fourteenth IO end of the first controller and is grounded through a fourth capacitor, the in-phase end of the first operational amplifier is connected with the first end of the tenth resistor and is grounded through the twelfth resistor, and the second end of the tenth resistor is connected with the first output end of the first analog switch.
8. The IGBT-based isolated DC-DC regulated power supply control of claim 7 wherein the variable regulating module comprises a first power supply, a seventh resistor, an eighth resistor, and a first regulator tube;
the first power supply is connected with the first end of the ninth resistor and one end of the eighth resistor through the seventh resistor, the other end of the eighth resistor is connected with the drain electrode of the first regulating tube, the source electrode of the first regulating tube is grounded, and the grid electrode of the first regulating tube is connected with the fifteenth IO end of the first controller.
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Denomination of invention: A Control Device for IGBT Isolation DC-DC Regulating Power Supply Granted publication date: 20230630 Pledgee: Shenzhen Rural Commercial Bank Co.,Ltd. Henggang Sub branch Pledgor: SHENZHEN AUTOWAY POWER TECHNOLOGY CO.,LTD. Registration number: Y2024980015778 |