A multi-inductor integrated control circuit

Abstract

The application discloses a multi-inductor integrated control circuit, and relates to the technical field of inductor control, which comprises a power module, an electric energy transmission state of the power electric energy is accessed and detected, and the AC / DC state and the positive / negative connection state of the power electric energy are judged in cooperation with a micro control module; according to the AC / DC state, the energy storage, discharge, voltage boosting and rectification states of a first voltage boosting module and a second voltage boosting module are controlled; the drain-source voltage state before the switch tube is turned on and the current state before the switch tube is turned off are adjusted by an auxiliary control module; according to the positive / negative connection state of the DC electric energy, the appropriate first voltage boosting module or the second voltage boosting module is automatically selected to perform voltage regulation work; and during voltage expansion, the first voltage boosting module and the second voltage boosting module can be controlled to perform series voltage boosting work. The multi-inductor integrated control circuit can realize soft switching of the switch tube, reduce switching loss, improve electric energy conversion efficiency, avoid the reverse connection of the power electric energy, improve power supply safety, and improve the width of the output voltage.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of inductor control, and particularly relates to a multi-inductor integrated control circuit. BACKGROUND

[0002] With the development of power supply technology, the Boost converter with the function of voltage boosting is widely used. In the prior art, the Boost circuit is generally composed of a single inductor, a switch tube, a capacitor and a diode. Since the power supply includes alternating current and direct current, different Boost topological converters need to be used to complete the voltage boosting regulation and control of alternating current or direct current, the circuit cost is high, and when the direct current is connected, there is a risk of positive and negative electrode reverse connection, the circuit safety is low. In addition, during the voltage regulation work, there is a certain switching on and off loss, which reduces the power conversion efficiency, and thus needs to be improved. SUMMARY

[0003] The embodiment of the present application provides a multi-inductor integrated control circuit to solve the problems in the background art.

[0004] According to the embodiment of the present application, a multi-inductor integrated control circuit is provided, which comprises:

[0005] A power module is configured to detect the AC / DC state of the connected power supply and output a first detection signal, and detect the positive / negative electrode state of the power supply and output a second detection signal;

[0006] A second voltage boosting module is connected with the power module and the first voltage boosting module, configured to control the energy storage and discharge state of the inductor by controlling the on and off state of the switch tube, and perform voltage boosting and rectification processing, output a second power, and release the stored power and transmit the released power to the first voltage boosting module when voltage expansion is needed;

[0007] The first voltage boosting module is connected with the power module, configured to control the energy storage and discharge state of the inductor by controlling the on and off state of the switch tube, and perform voltage boosting and rectification processing, output a first power, and when voltage expansion is needed, the stored power and the power transmitted by the second voltage boosting module are connected in series to supply power and perform voltage boosting and rectification processing, and output a third power;

[0008] An auxiliary control module is connected with the first voltage boosting module and the second voltage boosting module, configured to control the drain-source voltage of the switch tube in the first voltage boosting module or the second voltage boosting module to drop to zero before turning on, and control the current flowing through the switch tube to drop to zero before turning off during the voltage boosting work of the first voltage boosting module or the second voltage boosting module, and only control the voltage and current of the switch tube of the first voltage boosting module during the voltage expansion work;

[0009] The micro control module is connected with the power module, the first voltage boosting module, the second voltage boosting module and the auxiliary control module, is used for receiving the electric energy output by the power module during detection and judging the state of the power electric energy, controlling the opening and closing state of the switch tube of the first voltage boosting module and controlling the auxiliary control module to perform voltage and current control on the first voltage boosting module when the power electric energy is direct current and is not reversed or the power electric energy is alternating current and is in the positive half cycle, controlling the opening and closing state of the switch tube in the second voltage boosting module and controlling the auxiliary control module to perform voltage and current control on the second voltage boosting module when the power electric energy is direct current and is reversed or the power electric energy is alternating current and is in the negative half cycle, and controlling the first voltage boosting module and the second voltage boosting module to perform series power supply and voltage boosting work on the stored electric energy and controlling the auxiliary control module to perform voltage and current control on the first voltage boosting module when voltage expansion is needed;

[0010] The output module is connected with the first voltage boosting module and the second voltage boosting module, and is used for transmitting the first electric energy, the second electric energy or the third electric energy to the connected electric equipment.

[0011] As a further scheme of the present application, the power module comprises a power port; the first voltage boosting module comprises a first inductor, a second power tube, a fourth diode and a fourth power tube; the micro control module comprises a first controller; and the output module comprises a first capacitor and an output port.

[0012] Preferably, the first end of the power port is connected with the first end of the first inductor, the second end of the first inductor is connected with the anode of the fourth diode and the drain of the fourth power tube, the cathode of the fourth diode is connected with the first end of the output port and is connected with the second end of the output port, the source of the fourth power tube, the drain of the second power tube and the ground end through the first capacitor, the source of the second power tube is connected with the second end of the power port, and the gate of the second power tube and the gate of the fourth power tube are respectively connected with the IO2 end and the IO4 end of the first controller.

[0013] As a further scheme of the present application, the second voltage boosting module comprises a first power tube, a first thyristor, a first inverter, a second inductor, a fifth power tube and a second diode.

[0014] Preferably, the source of the first power tube is connected with the first end of the power port, the drain of the first power tube is connected with the drain of the second power tube, one end of the first thyristor is connected with the second end of the power port, the other end of the first thyristor is connected with the first end of the second inductor, the second end of the second inductor is connected with the drain of the fifth power tube and the anode of the second diode, the source of the fifth power tube is connected with the second end of the output port, the cathode of the second diode is connected with the first end of the output port, the control end of the first thyristor is connected with the output end of the first inverter, and the gate of the first power tube, the input end of the first inverter and the gate of the fifth power tube are respectively connected with the IO1 end, the IO10 end and the IO5 end of the first controller.

[0015] As a further scheme of the present application: the second voltage boosting module further comprises a third power tube and a first diode;

[0016] Preferably, the drain of the third power tube is connected to the first end of the power port, the source of the third power tube is connected to the anode of the first diode, the cathode of the first diode is connected to the first end of the second inductor, and the gate of the third power tube is connected to the IO3 end of the first controller.

[0017] As a further scheme of the present application: the auxiliary control module comprises a third inductor, a fifth diode, a third diode and a sixth power tube;

[0018] Preferably, the cathode of the third diode is connected to the cathode of the second diode, the anode of the third diode is connected to the anode of the fifth diode and the first end of the third inductor, the cathode of the fifth diode is connected to the drain of the sixth power tube, the source of the sixth power tube is connected to the second end of the output port, and the gate of the sixth power tube is connected to the IO6 end of the first controller.

[0019] As a further scheme of the present application: the auxiliary control module further comprises a third thyristor, a second thyristor and a second inverter;

[0020] Preferably, the anode of the third thyristor and the anode of the second thyristor are respectively connected to the second end of the first inductor and the second end of the second inductor, the cathode of the third thyristor and the cathode of the second thyristor are both connected to the second end of the third inductor, the control end of the third thyristor is connected to the output end of the second inverter, and the input end of the second inverter is connected to the control end of the second thyristor and the IO7 end of the first controller.

[0021] As a further scheme of the present application: the power module further comprises a first resistor, a second resistor, a first optocoupler, a second optocoupler, a first voltage stabilizer, a third resistor and a fourth resistor;

[0022] Preferably, the first end of the first optocoupler is connected to the first end of the power port and the second end of the second optocoupler through the first resistor, the second end of the first optocoupler is connected to the second end of the power port and the first end of the second optocoupler through the third resistor, the third end of the first optocoupler is connected to the third end of the second optocoupler and the first voltage stabilizer, the fourth end of the first optocoupler is connected to the IO9 end of the first controller and grounded through the second resistor, and the fourth end of the second optocoupler is connected to the IO8 end of the first controller and grounded through the fourth resistor.

[0023] Compared with the prior art, the beneficial effects of the present application are that the multi-inductor integrated control circuit can access power supply power from the power supply module and detect the power transmission state of the power supply power, cooperate with the micro-control module to judge the AC / DC state of the power supply power and the positive / negative connection state of the DC power, and control the energy storage, discharge, voltage boosting and rectification state of the first voltage boosting module and the second voltage boosting module according to the AC / DC state of the power supply power, and adjust the drain-source voltage state before turn-on and the current state before turn-off of the switching tube of the first voltage boosting module or the second voltage boosting module by the auxiliary control module, so as to realize soft switching of the switching tube, reduce switching loss, improve power conversion efficiency, and automatically select the appropriate first voltage boosting module or second voltage boosting module for voltage regulation work according to the positive / negative connection state of the DC power, so as to avoid the reverse connection of the power supply power and improve power supply safety, and the first voltage boosting module and the second voltage boosting module can be controlled to perform series voltage boosting work during voltage expansion, so as to improve the width of the output voltage. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the description of the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0025] Figure 1 A principle block diagram of a multi-inductor integrated control circuit provided by the embodiments of the present application.

[0026] Figure 2 A circuit diagram of a multi-inductor integrated control circuit provided by the embodiments of the present application.

[0027] Figure 3 A circuit diagram of a power supply module provided by the embodiments of the present application. DETAILED DESCRIPTION

[0028] The technical solutions of the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] In one embodiment, please refer to Figure 1 A multi-inductor integrated control circuit, comprising:

[0030] The power supply module 1 is used for detecting the AC / DC state of the accessed power supply power and outputting a first detection signal, and detecting the positive / negative state of the power supply power and outputting a second detection signal.

[0031] The second voltage boosting module 2 is connected with the power module 1 and the first voltage boosting module 3, and is used for controlling the energy storage and discharge state of the inductor by controlling the on and off state of the switch tube, and performing voltage boosting and rectification processing, outputting the second electric energy, and releasing the stored electric energy and transmitting the released electric energy to the first voltage boosting module 3 when expansion voltage is needed;

[0032] The first voltage boosting module 3 is connected with the power module 1, and is used for controlling the energy storage and discharge state of the inductor by controlling the on and off state of the switch tube, and performing voltage boosting and rectification processing, outputting the first electric energy, and performing voltage boosting and rectification processing on the stored electric energy and the electric energy transmitted by the second voltage boosting module 2 in series when expansion voltage is needed, and outputting the third electric energy;

[0033] The auxiliary control module 4 is connected with the first voltage boosting module 3 and the second voltage boosting module 2, and is used for controlling the drain-source voltage of the switch tube in the first voltage boosting module 3 or the second voltage boosting module 2 to drop to zero before being turned on, and controlling the current flowing through the switch tube to drop to zero before being turned off during voltage boosting work of the first voltage boosting module 3 or the second voltage boosting module 2, and only controlling the voltage and current of the switch tube of the first voltage boosting module 3 during expansion voltage work;

[0034] The micro control module 5 is connected with the power module 1, the first voltage boosting module 3, the second voltage boosting module 2 and the auxiliary control module 4, and is used for receiving the electric energy output by the power module 1 during detection and judging the state of the power electric energy, controlling the on and off state of the switch tube of the first voltage boosting module 3 and controlling the auxiliary control module 4 to control the voltage and current of the first voltage boosting module 3 when the power electric energy is direct current and is not reversed or the power electric energy is alternating current and is in the positive half cycle, controlling the on and off state of the switch tube in the second voltage boosting module 2 and controlling the auxiliary control module 4 to control the voltage and current of the second voltage boosting module 2 when the power electric energy is direct current and is reversed or the power electric energy is alternating current and is in the negative half cycle, and controlling the first voltage boosting module 3 and the second voltage boosting module 2 to supply power in series and perform voltage boosting work on the stored electric energy and controlling the auxiliary control module 4 to control the voltage and current of the first voltage boosting module 3 when expansion voltage is needed;

[0035] The output module 6 is connected with the first voltage boosting module 3 and the second voltage boosting module, and is used for transmitting the first electric energy, the second electric energy or the third electric energy to the connected electric equipment.

[0036] In specific embodiments, the power module 1 described above can adopt a power circuit composed of a power port, a photoelectric coupler, a resistor, etc., can access power energy, and perform bidirectional power transmission detection and zero-crossing detection through the photoelectric coupler, and then output two groups of high-level signals, i.e., two groups of detection signals, when the power energy is alternating current, and output one group of detection signals when it is direct current, so as to determine alternating current or direct current by the micro-control module 5, and determine the positive or reverse connection state when it is direct current; the first boost module 3 described above can adopt a first boost circuit composed of a field effect tube, an inductor, a diode, etc., control the energy storage and discharge state of the inductor by controlling the on and off state of the switch tube, and superimpose power supply with the power energy when the inductor discharges, and then complete the boost and rectification processing; the second boost module 2 described above can adopt a second boost circuit composed of a field effect tube, an inductor, a thyristor, an inverter, a diode, etc., control the energy storage and discharge state of the inductor by controlling the on and off state of the switch tube, and superimpose power supply with the power energy when the inductor discharges, and then complete the boost, rectification and filtering processing, and can also superimpose power supply with the first boost module 3 in series by changing the transmission path of the electric energy; the auxiliary control module 4 described above can adopt an auxiliary control circuit composed of a field effect tube, an inductor, a diode, etc., can make the drain-source voltage of the switch tube in the first boost module 3 or the second boost module 2 drop to zero before turning on by changing the transmission path of the electric energy, control the current flowing through the switch tube to drop to zero before turning off, and then realize soft switching control, and only control the voltage and current of the switch tube in the first boost module 3 when expanding the voltage; the micro-control module 5 described above can adopt a micro-control circuit composed of a single-chip microcomputer, integrates many components such as an arithmetic unit, a controller, a memory and an input-output unit, and realizes signal processing, data storage, module control, timing control and other functions; the output module 6 described above can adopt an output circuit composed of an output port and a capacitor, performs filtering and connects with the electrical equipment.

[0037] In this embodiment, please refer to Figure 2 and Figure 3 , the power module 1 includes a power port; the first boost module 3 includes a first inductor L1, a second power tube Q2, a fourth diode D4 and a fourth power tube Q4; the micro-control module 5 includes a first controller U1; the output module 6 includes a first capacitor C1 and an output port;

[0038] Specifically, the first end of the power port is connected to the first end of the first inductor L1, the second end of the first inductor L1 is connected to the anode of the fourth diode D4 and the drain of the fourth power tube Q4, the cathode of the fourth diode D4 is connected to the first end of the output port and the second end of the output port, the source of the fourth power tube Q4, the drain of the second power tube Q2 and the ground end through the first capacitor C1, the source of the second power tube Q2 is connected to the second end of the power port, and the gate of the second power tube Q2 and the gate of the fourth power tube Q4 are respectively connected to the IO2 end and the IO4 end of the first controller U1.

[0039] In specific embodiments, the second power tube Q2 and the fourth power tube Q4 can be N-channel field effect tubes, and the fourth power tube Q4 cooperates with the first inductor L1 and the fourth diode D4 to perform energy storage, discharge and voltage boosting processing; the first controller U1 can be an STM32 single-chip microcomputer.

[0040] Further, the second voltage boosting module 2 includes a first power tube Q1, a first thyristor S1, a first inverter J1, a second inductor L2, a fifth power tube Q5 and a second diode D2.

[0041] Specifically, the source of the first power tube Q1 is connected to the first end of the power port, the drain of the first power tube Q1 is connected to the drain of the second power tube Q2, one end of the first thyristor S1 is connected to the second end of the power port, the other end of the first thyristor S1 is connected to the first end of the second inductor L2, the second end of the second inductor L2 is connected to the drain of the fifth power tube Q5 and the anode of the second diode D2, the source of the fifth power tube Q5 is connected to the second end of the output port, the cathode of the second diode D2 is connected to the first end of the output port, the control end of the first thyristor S1 is connected to the output end of the first inverter J1, and the gate of the first power tube Q1, the input end of the first inverter J1 and the gate of the fifth power tube Q5 are respectively connected to the IO1 end, the IO10 end and the IO5 end of the first controller U1.

[0042] In specific embodiments, the first power tube Q1 and the fifth power tube Q5 can be N-channel field effect tubes, and the fifth power tube Q5 cooperates with the second inductor L2 and the second diode D2 to perform energy storage, discharge and voltage boosting; the first thyristor S1 can be a bidirectional thyristor; and the first inverter J1 can be a NOT gate, which triggers the first thyristor S1 to conduct when the IO10 end of the first controller U1 is at a low level.

[0043] Further, the second voltage boosting module 2 further includes a third power tube Q3 and a first diode D1.

[0044] Specifically, the drain of the third power tube Q3 is connected with the first end of the power port, the source of the third power tube Q3 is connected with the anode of the first diode D1, the cathode of the first diode D1 is connected with the first end of the second inductor L2, and the gate of the third power tube Q3 is connected with the IO3 end of the first controller U1.

[0045] In a specific embodiment, the third power tube Q3 can be an N-channel field effect tube.

[0046] Further, the auxiliary control module 4 comprises a third inductor L3, a fifth diode D5, a third diode D3 and a sixth power tube Q6.

[0047] Specifically, the cathode of the third diode D3 is connected with the cathode of the second diode D2, the anode of the third diode D3 is connected with the anode of the fifth diode D5 and the first end of the third inductor L3, the cathode of the fifth diode D5 is connected with the drain of the sixth power tube Q6, the source of the sixth power tube Q6 is connected with the second end of the output port, and the gate of the sixth power tube Q6 is connected with the IO6 end of the first controller U1.

[0048] In a specific embodiment, the sixth power tube Q6 can be an N-channel field effect tube.

[0049] Further, the auxiliary control module 4 further comprises a third thyristor S3, a second thyristor S2 and a second inverter J2.

[0050] Specifically, the anode of the third thyristor S3 and the anode of the second thyristor S2 are connected with the second end of the first inductor L1 and the second end of the second inductor L2 respectively, the cathode of the third thyristor S3 and the cathode of the second thyristor S2 are both connected with the second end of the third inductor L3, the control end of the third thyristor S3 is connected with the output end of the second inverter J2, and the input end of the second inverter J2 is connected with the control end of the second thyristor S2 and the IO7 end of the first controller U1.

[0051] In a specific embodiment, the second thyristor S2 and the third thyristor S3 can be unidirectional thyristors, the third thyristor S3 cooperates with the sixth power tube Q6, the third diode D3, the fifth diode D5 and the third inductor L3 to control the on-voltage and off-current of the fourth power tube Q4, and the second thyristor S2 cooperates with the sixth power tube Q6, the third diode D3, the fifth diode D5 and the third inductor L3 to control the on-voltage and off-current of the fifth power tube Q5; the second inverter J2 can be a NOT gate.

[0052] Further, the power module 1 further comprises a first resistor R1, a second resistor R2, a first optocoupler U2, a second optocoupler U3, a first voltage stabilizer VCC1, a third resistor R3 and a fourth resistor R4.

[0053] Specifically, the first end of the first optocoupler U2 is connected to the first end of the power port and the second end of the second optocoupler U3 through the first resistor R1, the second end of the first optocoupler U2 is connected to the second end of the power port and the first end of the second optocoupler U3 through the third resistor R3, the third end of the first optocoupler U2 is connected to the third end of the second optocoupler U3 and the first voltage stabilizer VCC1, the fourth end of the first optocoupler U2 is connected to the IO9 end of the first controller U1 and grounded through the second resistor R2, and the fourth end of the second optocoupler U3 is connected to the IO8 end of the first controller U1 and grounded through the fourth resistor R4.

[0054] In specific embodiments, the first optocoupler U2 and the second optocoupler U3 can be PC817 optoelectronic couplers, respectively detecting the power energy output by the first end and the second end of the power port.

[0055] The working principle of the multi-inductor integrated control circuit is as follows: power supply power is connected to the power supply port; when the power supply power is alternating current, the first optocoupler U2 is turned on in the positive half cycle, and the second optocoupler U3 is turned on in the negative half cycle, thereby receiving the IO9 end and the IO8 end of the first controller U1; the first controller U1 determines that the power supply power is alternating current; in the positive half cycle, the IO2 end of the first controller U1 controls the second power tube Q2 to be continuously turned on; the IO4 end of the first controller U1 controls the fourth power tube Q4 to be turned on, so that the first inductor L1 performs energy storage work; when the fourth power tube Q4 is turned off, the power stored in the first inductor L1 is superimposed with the power supply power to supply power, and the power is transmitted by the fourth diode D4; the first capacitor C1 stores energy and filters and outputs the first power; the power is received by the power consumption equipment connected to the output port; meanwhile, the second inverter J2 controls the third thyristor S3 to be turned on; before the fourth power tube Q4 is turned on, the IO6 end of the first controller U1 controls the sixth power tube Q6 to be turned on, so that the drain-source voltage of the fourth power tube Q4 is reduced to zero before the fourth power tube Q4 is turned on, and zero voltage turn-on is realized; after the fourth power tube Q4 is turned on, the control of the sixth power tube Q6 is stopped, so that the current of the fourth power tube Q4 is released through the third thyristor S3, the third inductor and the third diode D3 and transmitted to the output port, until the current flowing through the fourth power tube Q4 decreases to zero; the first controller U1 controls the fourth power tube Q4 to be turned off, thereby realizing zero current turn-off; in the same way, in the negative half cycle, the IO1 end of the first controller U1 continuously controls the first power tube Q1 to be turned on; the IO5 end of the first controller U1 controls the fifth power tube Q5 to be turned on and turned off, so that the second power is output and transmitted to the output port through the second inductor and the second diode D2; the voltage and current of the first power are equal to those of the second power; meanwhile, in the negative half cycle, the IO7 end of the first controller U1 controls the second thyristor S2 to be turned on, and the zero voltage turn-on and zero current turn-off of the fifth power tube Q5 are realized through the control of the turn-on state of the sixth power tube Q6, thereby realizing soft switching control; if the power supply power is direct current, the connection state of the positive and negative poles of the direct current with the power supply port can be known according to the turn-on state of the first optocoupler U2 or the second optocoupler U3; when the first end of the power supply port is connected with the positive pole of the direct current, the first voltage boosting module 3 and the auxiliary control module 4 are controlled to perform voltage boosting and soft switching control work; when the second end of the power supply port is connected with the positive pole of the direct current, it is indicated that the connection is reversed, and the second voltage boosting module 2 and the auxiliary control module 4 are controlled to perform voltage boosting and soft switching control work; when voltage expansion is needed, the IO10 end of the first controller U1 controls the first thyristor S1 to be cut off, and the IO3 end controls the third power tube Q3 to be turned on; at this time, the first voltage boosting module 3 is mainly used, the IO2 end controls the second power tube Q2 to be turned on, the first controller U1 controls the fourth power tube Q4 to be turned on,The first inductor L1 stores energy, and the first controller U1 controls the fifth power tube Q5 to be turned on, and the second inductor L2 stores energy, and when the fourth power tube Q4 and the fifth power tube Q5 are turned off, the IO10 end and the IO2 end of the first controller U1 stop working, thereby making the second inductor, the first thyristor S1, the power port and the first inductor be in series to supply power, and cooperating with the fourth diode D4 and the output port to form a loop to supply power for the output port, the first capacitor C1 stores energy and filters, and the first controller U1 controls the state of the sixth power tube Q6 to control the auxiliary control module 4 to control the fourth power tube Q4 to be soft switched.

[0056] It will be obvious to a person skilled in the art that, in practice, the present application can be implemented with other specific forms without departing from the spirit or essential characteristics of the present application. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the present application 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 signs in the claims should not be construed as limiting the claims concerned.

[0057] Furthermore, it should be understood that although the present specification describes exemplary embodiments, the present specification does not limit the application to the details of the foregoing description. Rather, the present specification is intended to cover all modifications, equivalents and alternatives falling within the scope of the application as defined by the appended claims. None of the elements recited in the claims should be understood as being impliedly limited in its scope by the statement that it does not, or is not necessarily, the sole parameter for the complete performance of the corresponding function. The complete disclosure of the patents, patent documents and publications cited herein are incorporated by reference in their entirety.

Claims

1. A multi-inductor integrated control circuit, characterized by, The circuit comprises: a power module, configured to detect AC / DC state of accessed power energy and output a first detection signal, and detect positive / negative state of the power energy and output a second detection signal; a second voltage boosting module, connected with the power module and the first voltage boosting module, configured to control energy storage and discharge state of an inductor by controlling on / off state of a switch tube, perform voltage boosting and rectification processing, output second power energy, and release stored power energy and transmit the released power energy to the first voltage boosting module when voltage expansion is needed; the first voltage boosting module, connected with the power module, configured to control energy storage and discharge state of the inductor by controlling on / off state of the switch tube, perform voltage boosting and rectification processing, output first power energy, and perform voltage boosting and rectification processing on stored power energy and power energy transmitted by the second voltage boosting module when voltage expansion is needed; an auxiliary control module, connected with the first voltage boosting module and the second voltage boosting module, configured to control drain-source voltage of the switch tube in the first voltage boosting module or the second voltage boosting module to drop to zero before the switch tube is turned on, control current flowing through the switch tube to drop to zero before the switch tube is turned off during voltage boosting of the first voltage boosting module or the second voltage boosting module, and control voltage and current of the switch tube in the first voltage boosting module only during voltage expansion; a micro control module, connected with the power module, the first voltage boosting module, the second voltage boosting module and the auxiliary control module, configured to receive power energy output by the power module during detection and determine state of the power energy, control on / off state of the switch tube in the first voltage boosting module and control the auxiliary control module to control voltage and current of the first voltage boosting module when the power energy is determined to be DC energy and not reversed or the power energy is determined to be AC energy and in a positive half cycle, control on / off state of the switch tube in the second voltage boosting module and control the auxiliary control module to control voltage and current of the second voltage boosting module when the power energy is determined to be DC energy and reversed or the power energy is determined to be AC energy and in a negative half cycle, control the first voltage boosting module and the second voltage boosting module to perform series power supply and voltage boosting on stored power energy and control the auxiliary control module to control voltage and current of the first voltage boosting module when voltage expansion is needed; an output module, connected with the first voltage boosting module and the second voltage boosting module, configured to transmit the first power energy, the second power energy or the third power energy to connected power consuming equipment.

2. A multi-inductor integrated control circuit according to claim 1, wherein, The power module comprises a power port; the first voltage boosting module comprises a first inductor, a second power tube, a fourth diode and a fourth power tube; the micro control module comprises a first controller; and the output module comprises a first capacitor and an output port. A first end of the power port is connected with a first end of the first inductor; a second end of the first inductor is connected with an anode of the fourth diode and a drain of the fourth power tube; a cathode of the fourth diode is connected with a first end of the output port and connected with a second end of the output port, a source of the fourth power tube, a drain of the second power tube and a ground terminal through the first capacitor; a source of the second power tube is connected with a second end of the power port; and a gate of the second power tube and a gate of the fourth power tube are connected with an IO2 terminal and an IO4 terminal of the first controller respectively.

3. A multi-inductor integrated control circuit according to claim 2, wherein, The second voltage boosting module comprises a first power tube, a first thyristor, a first inverter, a second inductor, a fifth power tube and a second diode; The source of the first power tube is connected to the first end of the power port, the drain of the first power tube is connected to the drain of the second power tube, one end of the first thyristor is connected to the second end of the power port, the other end of the first thyristor is connected to the first end of the second inductor, the second end of the second inductor is connected to the drain of the fifth power tube and the anode of the second diode, the source of the fifth power tube is connected to the second end of the output port, the cathode of the second diode is connected to the first end of the output port, the control end of the first thyristor is connected to the output end of the first inverter, the gate of the first power tube, the input end of the first inverter and the gate of the fifth power tube are respectively connected to the IO1 end, the IO10 end and the IO5 end of the first controller.

4. A multi-inductor integrated control circuit according to claim 3, wherein, The second voltage boosting module further comprises a third power tube and a first diode; The drain of the third power tube is connected to the first end of the power port, the source of the third power tube is connected to the anode of the first diode, the cathode of the first diode is connected to the first end of the second inductor, and the gate of the third power tube is connected to the IO3 end of the first controller.

5. A multi-inductor integrated control circuit according to claim 4, wherein, The auxiliary control module comprises a third inductor, a fifth diode, a third diode and a sixth power tube; The cathode of the third diode is connected to the cathode of the second diode, the anode of the third diode is connected to the anode of the fifth diode and the first end of the third inductor, the cathode of the fifth diode is connected to the drain of the sixth power tube, the source of the sixth power tube is connected to the second end of the output port, and the gate of the sixth power tube is connected to the IO6 end of the first controller.

6. A multi-inductor integrated control circuit according to claim 5, wherein, The auxiliary control module further comprises a third thyristor, a second thyristor and a second inverter; The anode of the third thyristor and the anode of the second thyristor are respectively connected to the second end of the first inductor and the second end of the second inductor, the cathode of the third thyristor and the cathode of the second thyristor are both connected to the second end of the third inductor, the control end of the third thyristor is connected to the output end of the second inverter, and the input end of the second inverter is connected to the control end of the second thyristor and the IO7 end of the first controller.

7. A multi-inductor integrated control circuit according to claim 2, wherein, The power module further comprises a first resistor, a second resistor, a first optocoupler, a second optocoupler, a first voltage stabilizer, a third resistor and a fourth resistor; The first end of the first optocoupler is connected to the first end of the power port and the second end of the second optocoupler through the first resistor, the second end of the first optocoupler is connected to the second end of the power port and the first end of the second optocoupler through the third resistor, the third end of the first optocoupler is connected to the third end of the second optocoupler and the first voltage stabilizer, the fourth end of the first optocoupler is connected to the IO9 end of the first controller and grounded through the second resistor, and the fourth end of the second optocoupler is connected to the IO8 end of the first controller and grounded through the fourth resistor.

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