Electric energy bidirectional multipath AC-DC conversion circuit

Abstract

The invention discloses an electric energy bidirectional multipath AC / DC conversion circuit, and relates to the technical field of electric energy conversion, and the circuit comprises a power supply multipath power distribution module which is used for inversion filtering, multipath power distribution and electric energy complementary superposition processing; the intelligent control module is used for signal receiving and module control; the first adjusting module is used for constant-voltage adjustment, constant-current adjustment and residual electric energy superposition control and supplying power to the first output module; the second adjusting module is used for constant-voltage adjustment, constant-current adjustment and residual electric energy superposition control and supplying power to the second output module; the energy storage control module is used for storing residual electric energy and supplying power; and the compensation control module is used for boosting and providing electric energy for the first adjusting module or the second adjusting module. According to the electric energy bidirectional multipath AC / DC conversion circuit, multipath power distribution processing can be carried out, constant current or constant voltage adjustment processing can be carried out according to needs, the superposed residual electric energy is stored and is supplied to the first adjustment module or the second adjustment module, the utilization rate of the electric energy is improved, and a wider voltage range can be provided.

Description

Technical Field

[0001] The invention relates to the technical field of electric energy conversion, in particular to an electric energy bidirectional multi-channel AC / DC conversion circuit. Background Art

[0002] With the rapid development of modern electronic technology, the design and application of AC / DC conversion power supply circuits are becoming increasingly complex and diverse, especially in situations where multiple independent outputs are required, such as industrial automation equipment, communication base stations, medical electronic equipment and consumer electronic products. The performance requirements for power supply systems are becoming more and more stringent. The electric energy bidirectional multi-channel AC / DC conversion circuit in the prior art generally performs multi-channel voltage transformation through multiple groups of voltage transformations, and performs voltage stabilization on each output branch. However, when each output branch stops supplying power, the electric energy stored in components such as capacitors and inductors is relatively low and cannot be reasonably utilized, resulting in a certain amount of energy waste. In addition, the output voltage range of each output branch is limited and constant current and constant voltage switching power supply control cannot be performed as required, so there is room for improvement. Summary of the invention

[0003] The embodiment of the present invention provides a bidirectional multi-channel AC / DC conversion circuit for electric energy to solve the problems raised in the above background technology.

[0004] According to an embodiment of the present invention, there is provided an electric energy bidirectional multi-channel AC / DC conversion circuit, comprising: a power multi-channel distribution module, an intelligent control module, a first regulating module, a second regulating module, a first output module, a second output module, an energy storage control module and a compensation control module; a power multi-channel distribution module, connected to the first regulating module and the second regulating module, for receiving direct current power and performing inversion regulation and filtering processing on the direct current power, outputting alternating current power, performing multi-channel isolation and transformation processing on the alternating current power and outputting first power and second power, superimposing the first power with the eighth power output by the second regulating module and outputting ninth power, and superimposing the second power with the seventh power output by the first regulating module and outputting tenth power; an intelligent control module, connected to the first regulating module and the second regulating module, for setting a timing time, providing a first inversion signal and a second inversion signal, outputting a boost signal, a first compensation signal or a second compensation signal when the output voltage needs to be increased, outputting a first control signal or a second control signal when the first regulating module or the second regulating module needs to perform constant current regulation, timing outputting a third control signal when the first regulating module stops power regulation, and after the timing ends, stopping outputting the third control signal and timing outputting a fourth control signal, and after the timing ends, outputting a fifth control signal, timing outputting a sixth control signal when the second regulating module stops power regulation, and after the timing ends, stopping outputting the sixth control signal and timing outputting a seventh control signal, and after the timing ends, outputting an eighth control signal; a first regulating module, connected to the compensation control module, for performing constant voltage regulation processing on the first electric energy or the ninth electric energy, performing constant current regulation processing on the first electric energy or the ninth electric energy when receiving the first control signal, outputting the third electric energy, rectifying the third electric energy and outputting the fourth electric energy, inverting the compensation electric energy output by the compensation control module and outputting the seventh electric energy when receiving the first inversion signal, and storing the residual electric energy and providing the eleventh electric energy when receiving the third control signal or the fifth control signal; a second regulating module, connected to the compensation control module, for performing constant voltage regulation processing on the second electric energy or the tenth electric energy, performing constant current regulation processing on the second electric energy or the tenth electric energy when receiving the second control signal, outputting the fifth electric energy, rectifying the fifth electric energy and outputting the sixth electric energy, inverting the compensation electric energy output by the compensation control module and outputting the eighth electric energy when receiving the second inversion signal, and storing the residual electric energy and providing the twelfth electric energy when receiving the sixth control signal or the seventh control signal; A first output module, connected to the first regulating module, and configured to receive fourth electric energy; a second output module, connected to the second regulating module, and configured to receive sixth electric energy; an energy storage control module, connected to the intelligent control module, the first regulating module and the second regulating module, and configured to store the eleventh electric energy upon receiving the fifth control signal and store the twelfth electric energy upon receiving the eighth control signal; The compensation control module is connected to the energy storage control module and the intelligent control module, and is used to boost and regulate the electric energy released by the energy storage control module and output the compensation electric energy when receiving the boost signal, transmit the compensation electric energy to the first regulation module when receiving the first compensation signal, and transmit the compensation electric energy to the second regulation module when receiving the second compensation signal.

[0005] As a further solution of the present invention: the power multi-way distribution module includes a power interface, a first inverter, a first inductor, a first capacitor, a first transformer and a second transformer; Preferably, the first end and the second end of the power interface are respectively connected to the first end and the second end of the first inverter, the third end of the first inverter is connected to the first inductor, connected to one end of the first capacitor and the first end of the primary side of the first transformer, the second end of the primary side of the first transformer is connected to the first end of the primary side of the second transformer, the fourth end of the first inverter is connected to the other end of the first capacitor and the second end of the primary side of the second transformer, the first end and the second end of the secondary side of the first transformer are connected to the first regulation module, and the first end and the second end of the secondary side of the second transformer are connected to the second regulation module.

[0006] As a further solution of the present invention: the first regulating module includes a first thyristor, a third capacitor, a second capacitor, a second inductor, a second thyristor, a first diode, a second diode and a first converter; the intelligent control module includes a first controller; Preferably, one end of the first thyristor is connected to the first end of the secondary side of the first transformer and one end of the second capacitor and connected to one end of the second thyristor through the second inductor, the other end of the second thyristor is connected to the first end of the first converter, the other end of the second capacitor and the energy storage control module, the other end of the first thyristor is connected to the second end of the secondary side of the first transformer and the second end of the first converter through the third capacitor, the control end of the first thyristor is connected to the IO2 end of the first controller and the cathode of the second diode, the anode of the second diode is connected to the anode of the first diode and the IO1 end of the first controller, the cathode of the first diode is connected to the IO3 end of the first controller and the control end of the second thyristor, the third and fourth ends of the first converter are connected to the first output module, and the fifth end of the first converter is connected to the IO4 end of the first controller.

[0007] As a further solution of the present invention: the second regulating module includes a power regulating device and a second converter; Preferably, the first end and the second end of the power regulating device are respectively connected to the first end and the second end of the secondary side of the second transformer, the third end and the fourth end of the power regulating device are respectively connected to the first end and the second end of the second converter, the third end and the fourth end of the second converter are connected to the second output module, the fifth end of the second converter is connected to the IO7 end of the first controller, and the fifth end, the sixth end and the seventh end of the power regulating device are respectively connected to the IO4 end, the IO5 end and the IO6 end of the first controller.

[0008] As a further solution of the present invention: the first output module includes a fourth capacitor and a first output port; the second output module includes a fifth capacitor and a second output port; Preferably, the first end of the first output port is connected to the third end of the first converter and one end of the fourth capacitor, the other end of the fourth capacitor is connected to the second end of the first output port, the fourth end of the first converter, the fourth end of the second converter, one end of the fifth capacitor, the second end of the second output port and the ground, and the first end of the second output port is connected to the other end of the fifth capacitor and the third end of the second converter.

[0009] As a further solution of the present invention: the energy storage control module includes a third thyristor, a fourth thyristor, a sixth capacitor and an energy storage device; Preferably, the anode of the third thyristor is connected to the first end of the first converter, the cathode of the third thyristor is connected to the first end of the energy storage device and the cathode of the fourth thyristor and connected to the second end of the energy storage device and the ground through the sixth capacitor, the anode of the fourth thyristor is connected to the first end of the second converter, and the control end of the third thyristor and the control end of the fourth thyristor are respectively connected to the IO8 end and IO9 end of the first controller.

[0010] As a further solution of the present invention: the compensation control module includes a boost device, a seventh capacitor, a first power tube and a second power tube; Preferably, the input end of the boost device is connected to the first end of the energy storage device, the output end of the boost device is connected to the drain of the first power tube and the drain of the second power tube and is connected to the ground end of the boost device, the second end of the energy storage device and the ground end through the seventh capacitor, the source of the first power tube and the source of the second power tube are respectively connected to the third end of the first converter and the third end of the second converter, the gate of the first power tube and the gate of the second power tube are respectively connected to the IO11 end and IO112 end of the first controller, and the control end of the boost device is connected to the IO10 end of the first controller.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the electric energy bidirectional multi-channel AC / DC conversion circuit of the present invention can be multi-channel distributed by the power multi-channel distribution module, and the first regulation module and the second regulation module can perform constant current or constant voltage regulation as required, and supply power to the first output module and the second output module respectively; at the same time, when the power multi-channel distribution module stops supplying power, the discharge mode of the first regulation module and the second regulation module can be adjusted so that the residual electric energy can be superimposed and the residual electric energy after superposition can be stored by the energy storage control module to realize energy-saving control of the circuit; and when the required output electric energy voltage exceeds the electric energy voltage provided by the first output module or the second output module, the compensation control module can cooperate with the energy storage control module and the power multi-channel distribution module to provide electric energy to the first regulation module or the second regulation module to expand the range of the output electric energy voltage and provide a wider voltage range. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0013] Figure 1 A schematic block diagram of a bidirectional multi-channel AC / DC conversion circuit for electric energy provided in an embodiment of the present invention.

[0014] Figure 2 A circuit diagram of a bidirectional multi-channel AC / DC conversion circuit for electric energy provided in an embodiment of the present invention.

[0015] Figure 3 A circuit diagram of a compensation control module provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] In one embodiment, see Figure 1 , a bidirectional multi-channel AC / DC conversion circuit for electric energy, comprising: a multi-channel power distribution module 1, an intelligent control module 2, a first regulating module 3, a second regulating module 4, a first output module 5, a second output module 6, an energy storage control module 7 and a compensation control module 8; Specifically, the power multi-channel distribution module 1 is connected to the first regulating module 3 and the second regulating module 4, and is used to access direct current power and perform inversion regulation and filtering processing on the direct current power, output alternating current power, perform multi-channel isolation and transformation processing on the alternating current power and output the first power and the second power, superimpose the first power and the eighth power output by the second regulating module 4 and output the ninth power, and superimpose the second power and the seventh power output by the first regulating module 3 and output the tenth power; The intelligent control module 2 is connected to the first regulating module 3 and the second regulating module 4, and is used to set the timing time, provide the first inversion signal and the second inversion signal, output the boost signal, the first compensation signal or the second compensation signal when the output voltage needs to be increased, output the first control signal or the second control signal when the first regulating module 3 or the second regulating module 4 needs to perform constant current regulation, and when the first regulating module 3 stops the power regulation work, the third control signal is outputted regularly, and after the timing ends, the third control signal is stopped and the fourth control signal is outputted regularly, and after the timing ends, the fifth control signal is outputted, and when the second regulating module 4 stops the power regulation work, the sixth control signal is outputted regularly, and after the timing ends, the sixth control signal is stopped and the seventh control signal is outputted regularly, and after the timing ends, the eighth control signal is outputted; The first regulating module 3 is connected to the compensation control module 8, and is used to perform constant voltage regulation processing on the first electric energy or the ninth electric energy, and when receiving the first control signal, perform constant current regulation processing on the first electric energy or the ninth electric energy, output the third electric energy, rectify the third electric energy and output the fourth electric energy, and when receiving the first inversion signal, perform inversion processing on the compensation electric energy output by the compensation control module 8 and output the seventh electric energy, and when receiving the third control signal or the fifth control signal, store the residual electric energy and provide the eleventh electric energy; The second regulating module 4 is connected to the compensation control module 8, and is used to perform constant voltage regulation processing on the second electric energy or the tenth electric energy, and when receiving the second control signal, perform constant current regulation processing on the second electric energy or the tenth electric energy, output the fifth electric energy, rectify the fifth electric energy and output the sixth electric energy, and when receiving the second inversion signal, invert the compensation electric energy output by the compensation control module 8 and output the eighth electric energy, and when receiving the sixth control signal or the seventh control signal, store the residual electric energy and provide the twelfth electric energy; A first output module 5, connected to the first regulating module 3, and configured to receive fourth electric energy; A second output module 6, connected to the second regulating module 4, and configured to receive sixth electric energy; an energy storage control module 7, connected to the intelligent control module 2, the first regulating module 3 and the second regulating module 4, for storing the eleventh electric energy when receiving the fifth control signal, and storing the twelfth electric energy when receiving the eighth control signal; The compensation control module 8 is connected to the energy storage control module 7 and the intelligent control module 2, and is used to boost the electric energy released by the energy storage control module 7 and output the compensation electric energy when a boost signal is received, and transmit the compensation electric energy to the first regulation module 3 when a first compensation signal is received, and transmit the compensation electric energy to the second regulation module 4 when a second compensation signal is received.

[0018] In a specific embodiment, the above-mentioned power multi-channel distribution module 1 can adopt a power multi-channel distribution circuit composed of a power interface, an inverter, a transformer, etc., which can access DC power and invert, filter and multi-channel isolate and distribute the DC power; the above-mentioned intelligent control module 2 can adopt an intelligent control circuit composed of a single-chip microcomputer and a clock chip, integrating many components such as a timer, an arithmetic unit, a controller, a memory, and an input and output device to realize signal processing, data storage, module control, timing control and other functions; the above-mentioned first adjustment module 3 can adopt a first adjustment circuit composed of a thyristor, a capacitor, a converter, etc., which can be controlled by the intelligent control module 2 to perform constant current or constant voltage regulation on the input electric energy, and after the power supply is stopped, the residual electric energy is superimposed; the above-mentioned second adjustment module 4 can adopt a power adjustment device and a transformer The second regulating circuit composed of the converter can be controlled by the intelligent control module 2, and the input electric energy is regulated by constant current or constant voltage, and after the power supply is stopped, the residual electric energy is superimposed; the above-mentioned first output module 5 can be a first output circuit composed of a capacitor and an output port, which receives electric energy and is connected to the electric device; the above-mentioned second output module 6 can be a second output circuit composed of a capacitor and an output port, which receives electric energy and is connected to the electric device; the above-mentioned energy storage control module 7 can adopt an energy storage control circuit composed of a thyristor, a capacitor and an energy storage device, which performs energy storage control and supplies power to the compensation control module 8; the above-mentioned compensation control module 8 can adopt a compensation control circuit composed of a boost device, a field effect transistor and a capacitor, which can perform boost control on the input electric energy and provide compensation electric energy for the first regulating module 3 or the second regulating module 4.

[0019] In another embodiment, see Figure 1 , Figure 2 and Figure 3 , the power multi-way distribution module 1 includes a power interface, a first inverter T1, a first inductor L1, a first capacitor C1, a first transformer B1 and a second transformer B2; Specifically, the first end and the second end of the power interface are respectively connected to the first end and the second end of the first inverter T1, the third end of the first inverter T1 is connected to the first inductor L1, connected to one end of the first capacitor C1 and the first end of the primary side of the first transformer B1, the second end of the primary side of the first transformer B1 is connected to the first end of the primary side of the second transformer B2, the fourth end of the first inverter T1 is connected to the other end of the first capacitor C1 and the second end of the primary side of the second transformer B2, the first end and the second end of the secondary side of the first transformer B1 are connected to the first regulation module 3, and the first end and the second end of the secondary side of the second transformer B2 are connected to the second regulation module 4.

[0020] In a specific embodiment, the first inverter T1 may be composed of four groups of IGBTs.

[0021] Further, the first regulating module 3 includes a first thyristor S1, a third capacitor C3, a second capacitor C2, a second inductor L2, a second thyristor S2, a first diode D1, a second diode D2 and a first converter T2; the intelligent control module 2 includes a first controller U1; Specifically, one end of the first thyristor S1 is connected to the first end of the secondary side of the first transformer B1 and one end of the second capacitor C2 and connected to one end of the second thyristor S2 through the second inductor L2, the other end of the second thyristor S2 is connected to the first end of the first converter T2, the other end of the second capacitor C2 and the energy storage control module 7, the other end of the first thyristor S1 is connected to the second end of the secondary side of the first transformer B1 and the second end of the first converter T2 through the third capacitor C3, the control end of the first thyristor S1 is connected to the IO2 end of the first controller U1 and the cathode of the second diode D2, the anode of the second diode D2 is connected to the anode of the first diode D1 and the IO1 end of the first controller U1, the cathode of the first diode D1 is connected to the IO3 end of the first controller U1 and the control end of the second thyristor S2, the third end and the fourth end of the first converter T2 are connected to the first output module 5, and the fifth end of the first converter T2 is connected to the IO4 end of the first controller U1.

[0022] In a specific embodiment, the first thyristor S1 and the second thyristor S2 can both be bidirectional thyristors. When the first thyristor S1 and the second thyristor S2 are turned on, the second inductor L2, the second capacitor C2 and the third capacitor C3 are used to perform LCL compensation and constant current regulation. When the first thyristor S1 and the second thyristor S2 are turned off, the second capacitor C2 performs series compensation and constant voltage regulation. The first converter T2 can be composed of four groups of IGBTs and four groups of diodes to achieve bidirectional processing of electric energy, namely, inversion and rectification. The first controller U1 can be composed of a single-chip microcomputer and a clock chip. The clock chip provides a clock signal for the single-chip microcomputer. The single-chip microcomputer can be an STM32 single-chip microcomputer.

[0023] Further, the second regulating module 4 includes a power regulating device and a second converter T3; Specifically, the first end and the second end of the power regulating device are respectively connected to the first end and the second end of the secondary side of the second transformer B2, the third end and the fourth end of the power regulating device are respectively connected to the first end and the second end of the second converter T3, the third end and the fourth end of the second converter T3 are connected to the second output module 6, the fifth end of the second converter T3 is connected to the IO7 end of the first controller U1, and the fifth end, the sixth end and the seventh end of the power regulating device are respectively connected to the IO4 end, the IO5 end and the IO6 end of the first controller U1.

[0024] In a specific embodiment, the circuit composition structure of the above-mentioned power regulation device is the same as the circuit composition structure of the above-mentioned first thyristor S1, third capacitor C3, second capacitor C2, second inductor L2, second thyristor S2, first diode D1 and second diode D2, which can realize constant current or constant voltage regulation and superposition control of residual electric energy; the above-mentioned second converter T3 can be composed of four groups of IGBTs and four groups of diodes to realize the inversion and rectification of electric energy.

[0025] Further, the first output module 5 includes a fourth capacitor C4 and a first output port; the second output module 6 includes a fifth capacitor C5 and a second output port; Specifically, the first end of the first output port is connected to the third end of the first converter T2 and one end of the fourth capacitor C4, the other end of the fourth capacitor C4 is connected to the second end of the first output port, the fourth end of the first converter T2, the fourth end of the second converter T3, one end of the fifth capacitor C5, the second end of the second output port and the ground, and the first end of the second output port is connected to the other end of the fifth capacitor C5 and the third end of the second converter T3.

[0026] In a specific embodiment, the first output port and the second output port are both connected to an electrical device to provide power.

[0027] Further, the energy storage control module 7 includes a third thyristor S3, a fourth thyristor S4, a sixth capacitor C6 and an energy storage device; Specifically, the anode of the third thyristor S3 is connected to the first end of the first converter T2, the cathode of the third thyristor S3 is connected to the first end of the energy storage device and the cathode of the fourth thyristor S4 and connected to the second end of the energy storage device and the ground through the sixth capacitor C6, the anode of the fourth thyristor S4 is connected to the first end of the second converter T3, and the control end of the third thyristor S3 and the control end of the fourth thyristor S4 are respectively connected to the IO8 end and the IO9 end of the first controller U1.

[0028] In a specific embodiment, the third thyristor S3 and the fourth thyristor S4 can both be unidirectional thyristors; and the energy storage device can be a battery.

[0029] Further, the compensation control module 8 includes a boost device, a seventh capacitor C7, a first power tube Q1 and a second power tube Q2; Specifically, the input end of the boost device is connected to the first end of the energy storage device, the output end of the boost device is connected to the drain of the first power tube Q1 and the drain of the second power tube Q2 and is connected to the ground end of the boost device, the second end of the energy storage device and the ground end through the seventh capacitor C7, the source of the first power tube Q1 and the source of the second power tube Q2 are respectively connected to the third end of the first converter T2 and the third end of the second converter T3, the gate of the first power tube Q1 and the gate of the second power tube Q2 are respectively connected to the IO11 end and IO112 end of the first controller U1, and the control end of the boost device is connected to the IO10 end of the first controller U1.

[0030] In a specific embodiment, the voltage boosting device may be composed of a Boost circuit; and both the first power tube Q1 and the second power tube Q2 may be N-channel field effect tubes.

[0031] In a bidirectional multi-channel AC / DC conversion circuit of electric energy in this embodiment, DC electric energy is connected by a power interface, the first inverter T1 performs inversion processing, the first inductor L1 and the first capacitor C1 perform filtering, the first transformer B1 performs isolation and transformation processing and outputs the first electric energy, the second transformer B2 performs isolation and transformation processing and outputs the second electric energy, when constant current regulation is required, the IO1 end of the first controller U1 outputs a first control signal to control the first thyristor S1 and the second thyristor S2 to be turned on, cooperate with the second inductor L2, the second capacitor C2 and the third capacitor C3 to perform LCL compensation and constant current regulation, the IO4 end outputs a second control signal to control the power regulation device to perform constant current regulation, and the fourth electric energy is output after rectification processing by the first converter T2. The electric energy is rectified by the second converter T3 to output the sixth electric energy, which is received by the first output port and the second output port respectively. When constant voltage regulation is required, the IO1 terminal and the IO4 terminal of the first controller U1 stop outputting the first control signal and the second control signal respectively. When the power multi-channel distribution module 1 stops supplying power, the first regulation module 3 and the second regulation module 4 both stop working. The IO3 terminal of the first controller U1 outputs the third control signal regularly to control the second thyristor S2 to turn on, so that the residual electric energy on the second inductor L2 is stored by the second capacitor C2. After the timing ends, the third control signal is stopped and the IO2 terminal of the first controller U1 outputs the fourth control signal regularly to control the first thyristor S1 to turn on, and the third electric energy is stored by the second capacitor C2. Capacitor C3 stores the residual electric energy on the first transformer B1. After the timing ends, the IO8 terminal of the first controller U1 outputs the fifth control signal to control the third thyristor S3 to be turned on. At this time, the third capacitor C3 and the second capacitor C2 are in a series state, so that the stored residual electric energy is processed in series and superimposed to supply power to the energy storage device. Similarly, IO5 of the first controller U1 outputs the sixth control signal at a fixed time and stops outputting the sixth control signal after the timing ends, and the IO6 terminal outputs the seventh control signal at a fixed time. After the timing ends, the IO9 terminal outputs the eighth control signal to transmit the residual electric energy superimposed by the power regulating device to the energy storage device, and the energy storage device stores energy. When it is necessary to expand the output voltage range of the second output port, the first output port is used at this time. The output port will stop transmitting electric energy, the IO10 end of the first controller U1 will output a boost signal, control the boost device to boost the electric energy provided by the energy storage device, and at the same time, the IO11 end of the first controller U1 outputs a first compensation signal, and the IO4 end outputs a first inversion signal, controls the first power tube Q1 to be turned on, and the first converter T2 inverts the compensation electric energy and outputs the seventh electric energy, which is transmitted to the first transformer B1 through the second capacitor C2, and is superimposed with the electric energy output by the second transformer B2 to output the tenth electric energy, which is processed by the power adjustment device, the second converter T3 and the fifth capacitor C5 and then transmitted to the second output port. Similarly, when it is necessary to expand the output voltage range of the first output port,The second output port stops receiving electric energy, the boost device performs boosting work, the IO12 end of the first controller U1 outputs the second compensation signal and controls the second power tube Q2 to be turned on, the second converter T3 inverts the compensation electric energy and outputs the eighth electric energy, the power regulating device transmits the eighth electric energy, and performs superposition processing with the first electric energy transmitted by the first transformer B1 through the second transformer B2, and outputs the ninth electric energy, which is transmitted to the first output module 5 through the first regulating module 3.

[0032] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A bidirectional multi-channel AC / DC conversion circuit for electric energy, characterized in that: The electric energy bidirectional multi-channel AC / DC conversion circuit comprises: a power multi-channel distribution module, an intelligent control module, a first regulating module, a second regulating module, a first output module, a second output module, an energy storage control module and a compensation control module; The power multi-channel distribution module is connected to the first regulating module and the second regulating module, and is used to receive direct current power and perform inversion regulation and filtering processing on the direct current power, output alternating current power, perform multi-channel isolation and transformation processing on the alternating current power and output the first power and the second power, superimpose the first power and the eighth power output by the second regulating module and output the ninth power, and superimpose the second power and the seventh power output by the first regulating module and output the tenth power; The intelligent control module is connected to the first regulating module and the second regulating module, and is used to set the timing time, provide the first inversion signal and the second inversion signal, output the boost signal, the first compensation signal or the second compensation signal when the output voltage needs to be increased, output the first control signal or the second control signal when the first regulating module or the second regulating module needs to perform constant current regulation, and when the first regulating module stops the power regulation work, the third control signal is outputted regularly, and after the timing ends, the third control signal is stopped and the fourth control signal is outputted regularly, and after the timing ends, the fifth control signal is outputted, and when the second regulating module stops the power regulation work, the sixth control signal is outputted regularly, and after the timing ends, the sixth control signal is stopped and the seventh control signal is outputted regularly, and after the timing ends, the eighth control signal is outputted; The first regulating module is connected to the compensation control module and is used to perform constant voltage regulation on the first electric energy or the ninth electric energy, perform constant current regulation on the first electric energy or the ninth electric energy when receiving the first control signal, output the third electric energy, perform rectification on the third electric energy and output the fourth electric energy, perform inversion on the compensation electric energy output by the compensation control module and output the seventh electric energy when receiving the first inversion signal, and store the residual electric energy and provide the eleventh electric energy when receiving the third control signal or the fifth control signal; The second regulating module is connected to the compensation control module and is used to perform constant voltage regulation on the second electric energy or the tenth electric energy, perform constant current regulation on the second electric energy or the tenth electric energy when receiving the second control signal, output the fifth electric energy, perform rectification on the fifth electric energy and output the sixth electric energy, perform inversion on the compensation electric energy output by the compensation control module and output the eighth electric energy when receiving the second inversion signal, and store the residual electric energy and provide the twelfth electric energy when receiving the sixth control signal or the seventh control signal; The first output module is connected to the first regulating module and is used to receive fourth electric energy; The second output module is connected to the second regulating module and is used to receive the sixth electric energy; The energy storage control module is connected to the intelligent control module, the first regulating module and the second regulating module, and is used to store the eleventh electric energy when receiving the fifth control signal, and store the twelfth electric energy when receiving the eighth control signal; The compensation control module is connected to the energy storage control module and the intelligent control module, and is used to boost and regulate the electric energy released by the energy storage control module and output the compensation electric energy when receiving the boost signal, transmit the compensation electric energy to the first regulation module when receiving the first compensation signal, and transmit the compensation electric energy to the second regulation module when receiving the second compensation signal.

2. The electric energy bidirectional multi-channel AC / DC conversion circuit according to claim 1, characterized in that: The power multi-channel power distribution module includes a power interface, a first inverter, a first inductor, a first capacitor, a first transformer and a second transformer; The first end and the second end of the power interface are respectively connected to the first end and the second end of the first inverter, the third end of the first inverter is connected to the first inductor, one end of the first capacitor and the first end of the primary side of the first transformer, the second end of the primary side of the first transformer is connected to the first end of the primary side of the second transformer, the fourth end of the first inverter is connected to the other end of the first capacitor and the second end of the primary side of the second transformer, the first end and the second end of the secondary side of the first transformer are connected to the first regulation module, and the first end and the second end of the secondary side of the second transformer are connected to the second regulation module.

3. The electric energy bidirectional multi-channel AC / DC conversion circuit according to claim 2, characterized in that: The first regulating module includes a first thyristor, a third capacitor, a second capacitor, a second inductor, a second thyristor, a first diode, a second diode and a first converter; the intelligent control module includes a first controller; One end of the first thyristor is connected to the first end of the secondary side of the first transformer and one end of the second capacitor and connected to one end of the second thyristor through the second inductor, the other end of the second thyristor is connected to the first end of the first converter, the other end of the second capacitor and the energy storage control module, the other end of the first thyristor is connected to the second end of the secondary side of the first transformer and the second end of the first converter through the third capacitor, the control end of the first thyristor is connected to the IO2 end of the first controller and the cathode of the second diode, the anode of the second diode is connected to the anode of the first diode and the IO1 end of the first controller, the cathode of the first diode is connected to the IO3 end of the first controller and the control end of the second thyristor, the third end and the fourth end of the first converter are connected to the first output module, and the fifth end of the first converter is connected to the IO4 end of the first controller.

4. The electric energy bidirectional multi-channel AC / DC conversion circuit according to claim 3, characterized in that: The second regulating module includes a power regulating device and a second converter; The first end and the second end of the power regulating device are respectively connected to the first end and the second end of the secondary side of the second transformer, the third end and the fourth end of the power regulating device are respectively connected to the first end and the second end of the second converter, the third end and the fourth end of the second converter are connected to the second output module, the fifth end of the second converter is connected to the IO7 end of the first controller, and the fifth end, the sixth end and the seventh end of the power regulating device are respectively connected to the IO4 end, the IO5 end and the IO6 end of the first controller.

5. The electric energy bidirectional multi-channel AC / DC conversion circuit according to claim 4, characterized in that: The first output module includes a fourth capacitor and a first output port; the second output module includes a fifth capacitor and a second output port; The first end of the first output port is connected to the third end of the first converter and one end of the fourth capacitor, the other end of the fourth capacitor is connected to the second end of the first output port, the fourth end of the first converter, the fourth end of the second converter, one end of the fifth capacitor, the second end of the second output port and the ground, and the first end of the second output port is connected to the other end of the fifth capacitor and the third end of the second converter.

6. The electric energy bidirectional multi-channel AC / DC conversion circuit according to claim 4, characterized in that: The energy storage control module includes a third thyristor, a fourth thyristor, a sixth capacitor and an energy storage device; The anode of the third thyristor is connected to the first end of the first converter, the cathode of the third thyristor is connected to the first end of the energy storage device and the cathode of the fourth thyristor and connected to the second end of the energy storage device and the ground through the sixth capacitor, the anode of the fourth thyristor is connected to the first end of the second converter, and the control end of the third thyristor and the control end of the fourth thyristor are respectively connected to the IO8 end and the IO9 end of the first controller.

7. The electric energy bidirectional multi-channel AC / DC conversion circuit according to claim 6, characterized in that: The compensation control module includes a boost device, a seventh capacitor, a first power tube and a second power tube; The input end of the boost device is connected to the first end of the energy storage device, the output end of the boost device is connected to the drain of the first power tube and the drain of the second power tube and is connected to the ground end of the boost device, the second end of the energy storage device and the ground end through the seventh capacitor, the source of the first power tube and the source of the second power tube are respectively connected to the third end of the first converter and the third end of the second converter, the gate of the first power tube and the gate of the second power tube are respectively connected to the IO11 end and IO112 end of the first controller, and the control end of the boost device is connected to the IO10 end of the first controller.

Images