CN116404892B - Multi-output AC-DC converter - Google Patents
Multi-output AC-DC converter Download PDFInfo
- Publication number
- CN116404892B CN116404892B CN202310671154.2A CN202310671154A CN116404892B CN 116404892 B CN116404892 B CN 116404892B CN 202310671154 A CN202310671154 A CN 202310671154A CN 116404892 B CN116404892 B CN 116404892B
- Authority
- CN
- China
- Prior art keywords
- capacitor
- module
- output
- power tube
- diode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001914 filtration Methods 0.000 claims abstract description 11
- 239000003990 capacitor Substances 0.000 claims description 101
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 230000001276 controlling effect Effects 0.000 claims description 7
- 230000009466 transformation Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 15
- 238000010586 diagram Methods 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H02M3/33561—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 more than one ouput with independent control
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Rectifiers (AREA)
Abstract
The invention discloses a multi-output AC-DC converter, which relates to the technical field of power supply conversion and comprises an alternating current processing module, a power supply module and a power supply module, wherein the alternating current processing module is used for filtering and adjustable current processing; the intelligent control module is used for controlling the module; the boost control module is used for direct-alternating current conversion, boosting control through the resonant circuit and adjustable current treatment of boosted alternating current; the multipath regulation module is used for carrying out direct-to-alternating-current conversion regulation on the input electric energy, carrying out multipath rectification filtering treatment through the multipath rectification module and outputting the electric energy; and the output expansion module is used for carrying out output expansion on the electric energy output by the multipath rectification module. The multi-output AC-DC converter is controlled by an AC processing module in an adjustable flow mode, a boosting control module is controlled by an AC-DC boosting conversion module, output electric energy is subjected to DC-AC conversion and adjustment through a multi-path adjusting module and a multi-path rectifying module, and an output expansion module is used for carrying out double-path expansion on a single-path output end in the multi-path rectifying module.
Description
Technical Field
The invention relates to the technical field of power supply conversion, in particular to a multi-output AC-DC converter.
Background
The AC-DC converter realizes the conversion from alternating current to direct current, is widely applied to electric automobile chargers, new energy power generation systems and motor power systems, and because the reliability requirement of a power supply system is higher, the prior AC-DC converter mostly adopts a two-stage switching power supply circuit and is matched with a transformer circuit to realize the multiplexing output of electric energy, and because the adjustable range value of the output electric energy is smaller, the applicable occasion range is smaller, the electric energy conversion efficiency is lower, and if the number of required output ports is more, the volume of the transformer circuit is larger, so the prior AC-DC converter needs to be improved.
Disclosure of Invention
The embodiment of the invention provides a multi-output AC-DC converter to solve the problems in the background technology.
According to an embodiment of the present invention, there is provided a multi-output AC-DC converter including: the system comprises an alternating current processing module, an intelligent control module, a boosting control module, a multipath regulation module, a multipath rectification module and an output expansion module;
the alternating current processing module is used for filtering input alternating current electric energy and converting the alternating current electric energy into direct current electric energy through the controllable rectifying circuit;
the intelligent control module is connected with the alternating current processing module and is used for outputting a first pulse signal, a second pulse signal, a third pulse signal and a fourth pulse signal and respectively controlling the working of the alternating current processing module, the boosting control module, the multipath regulation module and the output expansion module;
the boost control module is connected with the alternating current processing module and the intelligent control module and is used for receiving the second pulse signal, converting the direct current electric energy output by the alternating current processing module into alternating current electric energy and performing boost control through the resonant circuit, rectifying and regulating the regulated alternating current electric energy and outputting the direct current electric energy;
the multipath regulation module is connected with the alternating current processing module, the boosting control module and the intelligent control module and is used for receiving the third pulse signal, performing DC-AC regulation on the electric energy output by the alternating current processing module and the boosting control module and multipath outputting alternating current electric energy through a multipath voltage transformation circuit;
the multipath rectification module is connected with the multipath regulation module and is used for rectifying, filtering and outputting multipath alternating current energy output by the multipath regulation module through a multipath rectification circuit;
the output expansion module is connected with the multipath rectification module and the intelligent control module, and is used for controlling the work of the output expansion circuit by the electric energy output by the multipath rectification module and through the fourth pulse signal, and expanding the electric energy output end through the output expansion circuit.
Compared with the prior art, the invention has the beneficial effects that: the multi-output AC-DC converter of the invention carries out adjustable flow control on the AC processing module by the intelligent control module, adjusts equivalent impedance when converting AC into DC and improves conversion efficiency, meanwhile, carries out DC-AC-DC conversion and DC-DC conversion control by the boost control module, provides higher-value electric energy for the converter, carries out DC-AC-DC conversion and adjustment on the output electric energy by the multi-path adjusting module and the multi-path rectifying module, further improves the precision and conversion efficiency of the electric energy, improves the power supply efficiency, and carries out double-path expansion on a single-path output end in the multi-path rectifying module by the output expansion module, thereby reducing the required volume of the multi-path adjusting module and further adjusting the output power.
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 multi-output AC-DC converter according to an embodiment of the present invention.
Fig. 2 is a circuit diagram of a multi-output AC-DC converter provided by an example of the present invention.
Fig. 3 is a circuit diagram of a boost control module provided by an example of the present invention.
Fig. 4 is a circuit diagram of an output expansion 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.
Embodiment 1 referring to fig. 1, a multi-output AC-DC converter includes: the system comprises an alternating current processing module 1, an intelligent control module 2, a boosting control module 3, a multi-path adjusting module 4, a multi-path rectifying module 5 and an output expanding module 6;
specifically, the ac processing module 1 is configured to perform filtering processing on input ac power and convert the ac power into dc power through the controllable rectifying circuit;
the intelligent control module 2 is connected with the alternating current processing module 1 and is used for outputting a first pulse signal, a second pulse signal, a third pulse signal and a fourth pulse signal and respectively controlling the working of the alternating current processing module 1, the boosting control module 3, the multi-path regulating module 4 and the output expansion module 6;
the boost control module 3 is connected with the alternating current processing module 1 and the intelligent control module 2, and is used for receiving the second pulse signal, converting the direct current electric energy output by the alternating current processing module 1 into alternating current electric energy, performing boost control through a resonant circuit, rectifying and regulating the regulated alternating current electric energy and outputting the direct current electric energy;
the multipath regulating module 4 is connected with the alternating current processing module 1, the boosting control module 3 and the intelligent control module 2 and is used for receiving the third pulse signal, performing DC-AC regulation on the electric energy output by the alternating current processing module 1 and the boosting control module 3 and multipath outputting alternating current electric energy through a multipath voltage transformation circuit;
the multipath rectification module 5 is connected with the multipath regulation module 4 and is used for rectifying, filtering and outputting multipath alternating current energy output by the multipath regulation module 4 through a multipath rectification circuit;
and the output expansion module 6 is connected with the multipath rectification module 5 and the intelligent control module 2, and is used for controlling the work of the output expansion circuit by the electric energy output by the multipath rectification module 5 and the fourth pulse signal and expanding the electric energy output end by the output expansion circuit.
In a specific embodiment, the ac processing module 1 may perform filtering processing on the input ac power by using an LC circuit, and may also use a controllable rectifying circuit to convert the input ac power into dc power and adjust an output dc power value; the intelligent control module 2 can adopt a driving circuit and a micro-control circuit, the micro-control circuit can adopt, but is not limited to, a singlechip, a DSP and other components integrated with an arithmetic unit, a controller, a memory, an input/output unit and the like, so that the functions of signal processing, data storage, module control, timing control and the like are realized, and the driving circuit can adopt a MOS tube driving device for improving the driving capability of pulse signals output by the micro-control circuit; the boost control module 3 can adopt a power tube regulating circuit, a resonant circuit and a controllable rectifying circuit, the power tube regulating circuit regulates pulse voltage input into the resonant circuit, direct-current electric energy input into the power tube regulating circuit is converted into alternating-current electric energy, the alternating-current electric energy is subjected to boost treatment, and then the controllable rectifying circuit is used for rectifying and regulating; the multi-path regulating module 4 can adopt a multi-path voltage transformation circuit formed by an LLC resonance change circuit and a voltage transformation circuit to perform DC-AC conversion on the integrated electric energy and perform AC-AC regulation and multi-path output through the voltage transformation circuit; the multipath rectification module 5 can adopt a multipath rectification circuit to carry out rectification and filtering treatment on the output end of the multipath regulation module 4; the output expansion module 6 can adopt an output expansion circuit formed by two groups of power regulating circuits to carry out output expansion on each output end of the multi-path rectifying module 5.
In embodiment 2, referring to fig. 2, 3 and 4, based on embodiment 1, the ac processing module 1 includes an ac power supply device, a first capacitor C1, a first inductor L1, a second inductor L2, a third capacitor C3, a second capacitor C2, a first diode D1, a second diode D2, a first power tube Q1, a second power tube Q2, and a third diode D3; the intelligent control module 2 comprises a first controller U1;
specifically, the first end of the ac power supply device is connected to one end of the first capacitor C1 and is connected to one end of the second capacitor C2 through the first inductor L1, the other end of the second capacitor C2 is connected to the anode of the first diode D1 and the drain of the first power tube Q1, the second end of the ac power supply device is connected to the other end of the first capacitor C1 and is connected to one end of the third capacitor C3 through the second inductor L2, the other end of the third capacitor C3 is connected to the anode of the second diode D2 and the drain of the second power tube Q2, the cathode of the first diode D1 and the cathode of the second diode D2 are both connected to the anode of the third diode D3, the source of the first power tube Q1 and the source of the second power tube Q2 are both grounded, and the gate of the first power tube Q1 and the gate of the second power tube Q2 are respectively connected to the first IO end and the second IO end of the first controller U1.
In a specific embodiment, the first power tube Q1 and the second power tube Q2 may be N-channel enhancement type MOS tubes, and each of the first power tube Q1 and the second power tube Q2 includes a parasitic diode, and is controlled by the first controller U1, and is matched with the first diode D1 and the second diode D2 to form a controllable rectifying circuit; the first controller U1 is optional, but not limited to a TMS320F2812 chip, and needs a MOS tube driving device to process between the connection of the first controller U1 and the MOS tube, which is not described herein.
Further, the boost control module 3 includes a fifth power tube Q5, a sixth power tube Q6, a ninth capacitor C9, a fourth inductor L4, and a second transformer W2;
specifically, the drain electrode of the fifth power tube Q5 is connected to the cathode of the second diode D2, the source electrode of the fifth power tube Q5 is connected to the drain electrode of the sixth power tube Q6 and one end of the ninth capacitor C9, the other end of the ninth capacitor C9 is connected to the first end of the primary side of the second transformer W2 through the fourth inductor L4, both the second end of the primary side of the second transformer W2 and the source electrode of the sixth power tube Q6 are grounded, and the gate electrode of the fifth power tube Q5 and the gate electrode of the sixth power tube Q6 are respectively connected to the fifth IO end and the sixth IO end of the first controller U1.
In a specific embodiment, the fifth power transistor Q5 and the sixth power transistor Q6 may be N-channel enhancement type MOS transistors, and each include a parasitic diode; the ninth capacitor C9, the fourth inductor L4, and the second transformer W2 form an LLC resonant circuit.
Further, the boost control module 3 further includes a tenth capacitor C10, a sixth diode D6, a seventh diode D7, a seventh power transistor Q7, and an eighth power transistor Q8;
specifically, the anode of the sixth diode D6 and the drain of the seventh power tube Q7 are both connected to the first end of the secondary side of the second transformer W2, the anode of the seventh diode D7 and the drain of the eighth power tube Q8 are both connected to one end of the tenth capacitor C10, the other end of the tenth capacitor C10 is connected to the second end of the secondary side of the second transformer W2, the source of the seventh power tube Q7 and the source of the eighth power tube Q8 are both grounded, the cathode of the sixth diode D6 and the cathode of the seventh diode D7 are both connected to the cathode of the third diode D3, and the gate of the seventh power tube Q7 and the gate of the eighth power tube Q8 are respectively connected to the seventh IO end and the eighth IO end of the first controller U1.
In a specific embodiment, the seventh power tube Q7 and the eighth power tube Q8 may be N-channel enhancement type MOS tubes, and include parasitic diodes, and form a controllable rectifying circuit in cooperation with the sixth power tube Q6 and the seventh power tube Q7.
Further, the multi-path adjusting module 4 includes a third power tube Q3, a fourth power tube Q4, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, a third inductor L3, and a first transformer W1;
specifically, the drain electrode of the third power tube Q3, one end of the fourth capacitor C4 and one end of the sixth capacitor C6 are all connected to the cathode of the third diode D3, the source electrode of the third power tube Q3 is connected to the drain electrode of the fourth power tube Q4, one end of the fifth capacitor C5, the other end of the fourth capacitor C4 and one end of the third inductor L3, the source electrode of the fourth power tube Q4, the other end of the fifth capacitor C5 and one end of the seventh capacitor C7 are all grounded, the other end of the seventh capacitor C7 is connected to the second end of the primary side of the first transformer W1 and the other end of the sixth capacitor C6, the other end of the third inductor L3 is connected to the first end of the primary side of the first transformer W1, the first secondary side and the second secondary side of the first transformer W1 are all connected to the multi-path rectifying module 5, and the gate electrode of the third power tube Q3 and the gate electrode of the fourth power tube Q4 are respectively connected to the third IO end and the fourth IO end of the first controller U1.
In a specific embodiment, the third power tube Q3 and the fourth power tube Q4 may be N-channel enhancement type MOS tubes, and form an LLC resonance change circuit in combination with the fourth capacitor C4, the fifth capacitor C5, the sixth capacitor C6, the seventh capacitor C7, and the third inductor L3, so as to perform DC-AC conversion processing; the first transformer W1 forms a transformer circuit, and a multiplexing output transformer is selected for AC-AC regulation processing and multiplexing output.
Further, the multi-path rectifying module 5 includes a fourth diode D4, a fifth diode D5, and an eighth capacitor C8;
specifically, the anode of the fourth diode D4 and the anode of the fifth diode D5 are respectively connected to the first end and the third end of the first secondary side of the first transformer W1, the cathode of the fourth diode D4 is connected to the cathode of the fifth diode D5, the first end of the eighth capacitor C8 and the output expansion module 6, and the second end of the eighth capacitor C8 is connected to the second end and the ground end of the first secondary side of the first transformer W1.
Further, the multi-path rectifying module 5 comprises a rectifying output circuit;
specifically, the input end of the rectifying output circuit is connected with the second secondary side of the first transformer W1, the output end of the rectifying output circuit is connected with the output expansion module 6, and the circuit connection structure of the rectifying output circuit is the same as the circuit connection structure of the fourth diode D4, the fifth diode D5 and the eighth capacitor C8.
In a specific embodiment, the fourth diode D4, the fifth diode D5 and the eighth capacitor C8 form a rectifying and filtering circuit, where only one of the output ports of the first transformer W1 is processed; the working principle and the connection mode of the rectification output circuit are the same as those of the fourth diode D4, the fifth diode D5 and the eighth capacitor C8, and the rectification output circuit is used as a processing circuit of the other output port of the first transformer W1, which is not described herein.
It should be noted that the multi-path rectifying module 5 is not limited to the circuit formed by the fourth diode D4, the fifth diode D5 and the eighth capacitor C8 and the rectifying output circuit, and the specific required circuit may be determined according to the number of output ports of the first transformer W1, which is not described herein.
Further, the output expansion module 6 includes a ninth power tube Q9, a thirteenth capacitor C13, an eighth diode D8, a fifth inductor L5, a twelfth capacitor C12, and a first output port;
specifically, the drain electrode of the ninth power tube Q9 is connected to the first end of the eighth capacitor C8, the source electrode of the ninth power tube Q9 is connected to the cathode of the eighth diode D8 and one end of the fifth inductor L5 through the thirteenth capacitor C13, the anode of the eighth diode D8 is connected to one end of the twelfth capacitor C12 and the second end of the first output port, the first end of the first output port, the other end of the twelfth capacitor C12 and the other end of the fifth inductor L5 are all connected to the second end of the eighth capacitor C8, and the gate electrode of the ninth power tube Q9 is connected to the ninth IO end of the first controller U1.
In a specific embodiment, the ninth power transistor Q9 may be an N-channel enhancement type MOS transistor, and is matched with a thirteenth capacitor C13, an eighth diode D8, a fifth inductor L5, and a twelfth capacitor C12 to provide electric energy for the first output port.
Further, the output expansion module 6 further includes a tenth power tube Q10, a sixth inductor L6, a ninth diode D9, an eleventh capacitor C11, and a second output port;
specifically, the drain electrode of the tenth power tube Q10 is connected to the first end of the eighth capacitor C8, the source electrode of the tenth power tube Q10 is connected to the cathode of the ninth diode D9 and one end of the sixth inductor L6, the anode of the ninth diode D9 is connected to one end of the eleventh capacitor C11 and the second end of the second output port, the first end of the second output port, the other end of the eleventh capacitor C11 and the other end of the sixth inductor L6 are all connected to the second end of the first output port, and the gate electrode of the tenth power tube Q10 is connected to the tenth IO end of the first controller U1.
In a specific embodiment, the tenth power transistor Q10 may be an N-channel enhancement type MOS transistor, and is matched with the sixth inductor L6, the ninth diode D9, and the eleventh capacitor C11 to provide power for the second output port, and meanwhile, the sixth inductor L6, the ninth diode D9, and the eleventh capacitor C11 may be matched with the ninth power transistor Q9 to provide power for the second output port, and the tenth power transistor Q10 may be matched with the thirteenth capacitor C13, the eighth diode D8, the fifth inductor L5, and the twelfth capacitor C12 to provide power for the first output port.
It should be noted that the output expansion module 6 acts on one output end of the multiple rectifying modules 5, and the output expansion module 6 may be determined according to the number of output ends of the multiple rectifying modules 5, which is not described herein.
The invention relates to a multi-output AC-DC converter, AC power output by an AC power supply device is respectively filtered by a first inductor L1 and a second capacitor C2, a second inductor L2 and a third capacitor C3, the conduction degree of a first power tube Q1 and a second power tube Q2 is regulated by a first controller U1, the AC power is rectified and output DC power is regulated by matching with a first diode D1 and a second diode D2, the first controller U1 inverts the input DC power by controlling the closing and the opening of a third power tube Q3 and a fourth power tube Q4, the power is regulated by a first transformer W1, and meanwhile, the multi-output processing is carried out by the first transformer W1, if the required output power is larger, the first controller U1 can control the closing and the opening of a fifth power tube Q5 and a sixth power tube Q6, the PWM voltage is generated between the fifth power tube Q5 and the sixth power tube Q6, the ninth capacitor C9, the fourth inductor L4 and the second transformer W2 are used for boosting, the sixth diode D6, the seventh diode D7, the seventh power tube Q7 and the eighth power tube Q8 are used for rectifying and adjusting the output direct-current voltage value, the direct-current voltage value is overlapped with the electric energy output by the third diode D3 and is input into the multiplexing adjustment module 4, the electric energy output by the first transformer W1 is rectified and multiplexed by the multiplexing adjustment module 5 and can be directly supplied to power, or one output end of the multiplexing adjustment module 5 is output and expanded by the output expansion module 6, in particular, the conduction of the ninth power tube Q9 is controlled, the conduction of the tenth power tube Q10 is controlled, or the cut-off of the ninth power tube Q9 and the tenth power tube Q10 is controlled at the same time, so that the first output port and the second output port output with the same power.
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 multiple output AC-DC converter, characterized by:
the multi-output AC-DC converter includes: the system comprises an alternating current processing module, an intelligent control module, a boosting control module, a multipath regulation module, a multipath rectification module and an output expansion module;
the alternating current processing module is used for filtering input alternating current electric energy and converting the alternating current electric energy into direct current electric energy through the controllable rectifying circuit;
the intelligent control module is connected with the alternating current processing module and is used for outputting a first pulse signal, a second pulse signal, a third pulse signal and a fourth pulse signal and respectively controlling the working of the alternating current processing module, the boosting control module, the multipath regulation module and the output expansion module;
the boost control module is connected with the alternating current processing module and the intelligent control module and is used for receiving the second pulse signal, converting the direct current electric energy output by the alternating current processing module into alternating current electric energy and performing boost control through the resonant circuit, rectifying and regulating the regulated alternating current electric energy and outputting the direct current electric energy;
the multipath regulation module is connected with the alternating current processing module, the boosting control module and the intelligent control module and is used for receiving the third pulse signal, performing DC-AC regulation on the electric energy output by the alternating current processing module and the boosting control module and multipath outputting alternating current electric energy through a multipath voltage transformation circuit;
the multipath rectification module is connected with the multipath regulation module and is used for rectifying, filtering and outputting multipath alternating current energy output by the multipath regulation module through a multipath rectification circuit;
the output expansion module is connected with the multipath rectification module and the intelligent control module, and is used for controlling the work of the output expansion circuit by the electric energy output by the multipath rectification module and through the fourth pulse signal, and expanding the electric energy output end through the output expansion circuit;
the intelligent control module comprises a first controller; the multipath rectification module comprises an eighth capacitor;
the output expansion module comprises a ninth power tube, a thirteenth capacitor, an eighth diode, a fifth inductor, a twelfth capacitor and a first output port;
the drain electrode of the ninth power tube is connected with the first end of the eighth capacitor, the source electrode of the ninth power tube is connected with the cathode of the eighth diode and one end of the fifth inductor through the thirteenth capacitor, the anode of the eighth diode is connected with one end of the twelfth capacitor and the second end of the first output port, the first end of the first output port, the other end of the twelfth capacitor and the other end of the fifth inductor are all connected with the second end of the eighth capacitor, and the grid electrode of the ninth power tube is connected with the ninth IO end of the first controller;
the output expansion module further comprises a tenth power tube, a sixth inductor, a ninth diode, an eleventh capacitor and a second output port;
the drain electrode of the tenth power tube is connected with the first end of the eighth capacitor, the source electrode of the tenth power tube is connected with the cathode of the ninth diode and one end of the sixth inductor, the anode of the ninth diode is connected with one end of the eleventh capacitor and the second end of the second output port, the first end of the second output port, the other end of the eleventh capacitor and the other end of the sixth inductor are all connected with the second end of the first output port, and the grid electrode of the tenth power tube is connected with the tenth IO end of the first controller.
2. The multi-output AC-DC converter of claim 1 wherein the AC processing module comprises an AC power supply, a first capacitor, a first inductor, a second inductor, a third capacitor, a second capacitor, a first diode, a second diode, a first power tube, a second power tube, a third diode;
the first end of the alternating current power supply device is connected with one end of the first capacitor and one end of the second capacitor through the first inductor, the other end of the second capacitor is connected with the anode of the first diode and the drain electrode of the first power tube, the second end of the alternating current power supply device is connected with the other end of the first capacitor and one end of the third capacitor through the second inductor, the other end of the third capacitor is connected with the anode of the second diode and the drain electrode of the second power tube, the cathode of the first diode and the cathode of the second diode are both connected with the anode of the third diode, the source electrode of the first power tube and the source electrode of the second power tube are both grounded, and the grid electrode of the first power tube and the grid electrode of the second power tube are respectively connected with the first IO end and the second IO end of the first controller.
3. The multi-output AC-DC converter of claim 2 wherein the boost control module comprises a fifth power tube, a sixth power tube, a ninth capacitor, a fourth inductor, a second transformer;
the drain electrode of the fifth power tube is connected with the cathode of the second diode, the source electrode of the fifth power tube is connected with the drain electrode of the sixth power tube and one end of a ninth capacitor, the other end of the ninth capacitor is connected with the first end of the primary side of the second transformer through a fourth inductor, the second end of the primary side of the second transformer and the source electrode of the sixth power tube are grounded, and the grid electrode of the fifth power tube and the grid electrode of the sixth power tube are respectively connected with the fifth IO end and the sixth IO end of the first controller.
4. A multi-output AC-DC converter according to claim 3 wherein the boost control module further comprises a tenth capacitor, a sixth diode, a seventh power transistor, and an eighth power transistor;
the anode of the sixth diode and the drain electrode of the seventh power tube are both connected with the first end of the secondary side of the second transformer, the anode of the seventh diode and the drain electrode of the eighth power tube are both connected with one end of the tenth capacitor, the other end of the tenth capacitor is connected with the second end of the secondary side of the second transformer, the source electrode of the seventh power tube and the source electrode of the eighth power tube are both grounded, the cathode of the sixth diode and the cathode of the seventh diode are both connected with the cathode of the third diode, and the grid electrode of the seventh power tube and the grid electrode of the eighth power tube are respectively connected with the seventh IO end and the eighth IO end of the first controller.
5. The multi-output AC-DC converter of claim 2 wherein the multi-path regulation module comprises a third power tube, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, a third inductor, and a first transformer;
the drain electrode of the third power tube, one end of the fourth capacitor and one end of the sixth capacitor are all connected with the cathode of the third diode, the source electrode of the third power tube is connected with the drain electrode of the fourth power tube, one end of the fifth capacitor, the other end of the fourth capacitor and one end of the third inductor, the source electrode of the fourth power tube, the other end of the fifth capacitor and one end of the seventh capacitor are all grounded, the other end of the seventh capacitor is connected with the second end of the primary side of the first transformer and the other end of the sixth capacitor, the other end of the third inductor is connected with the first end of the primary side of the first transformer, the first secondary side and the second secondary side of the first transformer are both connected with the multipath rectification module, and the grid electrode of the third power tube and the grid electrode of the fourth power tube are respectively connected with the third IO end and the fourth IO end of the first controller.
6. The multi-output AC-DC converter of claim 5 wherein said multi-path rectifier module further comprises a fourth diode, a fifth diode;
the anode of the fourth diode and the anode of the fifth diode are respectively connected with the first end and the third end of the first secondary side of the first transformer, the cathode of the fourth diode is connected with the cathode of the fifth diode, the first end of the eighth capacitor and the output expansion module, and the second end of the eighth capacitor is connected with the second end and the ground end of the first secondary side of the first transformer.
7. The multi-output AC-DC converter of claim 6 wherein said multi-path rectifier module comprises a rectified output circuit;
the input end of the rectification output circuit is connected with the second secondary side of the first transformer, the output end of the rectification output circuit is connected with the output expansion module, and the circuit connection structure of the rectification output circuit is the same as that of the fourth diode, the fifth diode and the eighth capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310671154.2A CN116404892B (en) | 2023-06-08 | 2023-06-08 | Multi-output AC-DC converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310671154.2A CN116404892B (en) | 2023-06-08 | 2023-06-08 | Multi-output AC-DC converter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116404892A CN116404892A (en) | 2023-07-07 |
| CN116404892B true CN116404892B (en) | 2023-10-03 |
Family
ID=87014583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310671154.2A Active CN116404892B (en) | 2023-06-08 | 2023-06-08 | Multi-output AC-DC converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116404892B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007028751A (en) * | 2005-07-14 | 2007-02-01 | Sanken Electric Co Ltd | Multi-output switching power supply |
| CN101588135A (en) * | 2008-05-21 | 2009-11-25 | 弗莱克斯电子有限责任公司 | Resonant power factor correction converter |
| JP2012100465A (en) * | 2010-11-04 | 2012-05-24 | Sanken Electric Co Ltd | Multi-output switching power supply device |
| CN103219913A (en) * | 2013-03-15 | 2013-07-24 | 东南大学 | High-voltage pulse power supply for plasma sewage treatment system |
| CN103633847A (en) * | 2012-08-23 | 2014-03-12 | 三星电子株式会社 | DC/DC converter, electronic apparatus having the same and DC/DC conversion method thereof |
| CN212208068U (en) * | 2020-05-21 | 2020-12-22 | 温州欣立伟电子科技有限公司 | Enhanced intelligent constant-current constant-voltage power supply |
| CN113497550A (en) * | 2021-06-21 | 2021-10-12 | 成都天通电子科技有限公司 | Control circuit for starting surge current of AC-DC power supply |
| CN114759793A (en) * | 2020-12-28 | 2022-07-15 | 佛山市顺德区美的电子科技有限公司 | Multi-output switching power supply, air conditioner controller and air conditioner |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6987675B2 (en) * | 2003-05-23 | 2006-01-17 | Delta Electronics, Inc. | Soft-switched power converters |
| US8218338B2 (en) * | 2008-12-26 | 2012-07-10 | Acbel Polytech Inc. | High efficiency universal input switching power supply |
| CN109547721B (en) * | 2018-12-25 | 2021-06-01 | 深圳创维－Rgb电子有限公司 | Television power supply driving device and television |
-
2023
- 2023-06-08 CN CN202310671154.2A patent/CN116404892B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007028751A (en) * | 2005-07-14 | 2007-02-01 | Sanken Electric Co Ltd | Multi-output switching power supply |
| CN101588135A (en) * | 2008-05-21 | 2009-11-25 | 弗莱克斯电子有限责任公司 | Resonant power factor correction converter |
| JP2012100465A (en) * | 2010-11-04 | 2012-05-24 | Sanken Electric Co Ltd | Multi-output switching power supply device |
| CN103633847A (en) * | 2012-08-23 | 2014-03-12 | 三星电子株式会社 | DC/DC converter, electronic apparatus having the same and DC/DC conversion method thereof |
| CN103219913A (en) * | 2013-03-15 | 2013-07-24 | 东南大学 | High-voltage pulse power supply for plasma sewage treatment system |
| CN212208068U (en) * | 2020-05-21 | 2020-12-22 | 温州欣立伟电子科技有限公司 | Enhanced intelligent constant-current constant-voltage power supply |
| CN114759793A (en) * | 2020-12-28 | 2022-07-15 | 佛山市顺德区美的电子科技有限公司 | Multi-output switching power supply, air conditioner controller and air conditioner |
| CN113497550A (en) * | 2021-06-21 | 2021-10-12 | 成都天通电子科技有限公司 | Control circuit for starting surge current of AC-DC power supply |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116404892A (en) | 2023-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2019128071A1 (en) | Dc-dc converter | |
| US9876435B2 (en) | Gate drive apparatus for resonant converters | |
| JP4995277B2 (en) | Bidirectional DC / DC converter | |
| EP1727265A1 (en) | Dc-dc converter | |
| US20100259240A1 (en) | Bridgeless PFC converter | |
| CN108512256B (en) | Multifunctional vehicle-mounted charge-discharge integrated system | |
| EP1748539A2 (en) | Switching power supply with surge voltage suppression | |
| US20120195074A1 (en) | DC-DC Converter Circuit For High Input-To-Output Voltage Conversion | |
| JP5308682B2 (en) | Bidirectional DC / DC converter | |
| JPWO2013073173A1 (en) | Battery charger | |
| RU2645726C2 (en) | Ac-to-ac voltage converter | |
| CN107800300B (en) | Multiphase interleaved bidirectional DC converter | |
| EP3748834B1 (en) | Power supply device | |
| CN111342693B (en) | Boost-buck photovoltaic grid-connected inverter | |
| CN217087777U (en) | Wide-range resonant soft-switching bidirectional direct-current converter | |
| CN113078826A (en) | Inverter power supply of direct current booster circuit | |
| CN116404892B (en) | Multi-output AC-DC converter | |
| CN218771790U (en) | Starting power supply with bidirectional energy storage function | |
| TWI794329B (en) | Dc-to-ac power converter and isolated dc-to-dc converter suitable to be used in the dc-to-ac power converter | |
| Li et al. | An efficiency-oriented two-stage structure employing partial power regulation | |
| CN114553045A (en) | Inverter power supply for EL cold light sheet | |
| Kim et al. | Single-ended high-efficiency step-up converter using the isolated switched-capacitor cell | |
| JP2006115680A (en) | Dc-dc converter | |
| CN117318504B (en) | Single-stage multipath AC/DC conversion circuit | |
| CN214380671U (en) | Single-transformer multi-output power supply based on resonance framework |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |