CN220798094U - Phase-shifting full-bridge magnetic integrated topological circuit - Google Patents
Phase-shifting full-bridge magnetic integrated topological circuit Download PDFInfo
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- CN220798094U CN220798094U CN202322537238.5U CN202322537238U CN220798094U CN 220798094 U CN220798094 U CN 220798094U CN 202322537238 U CN202322537238 U CN 202322537238U CN 220798094 U CN220798094 U CN 220798094U
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- 230000010354 integration Effects 0.000 claims abstract description 25
- 239000003990 capacitor Substances 0.000 claims description 91
- 238000004804 winding Methods 0.000 claims description 44
- 238000004146 energy storage Methods 0.000 claims description 32
- 238000001914 filtration Methods 0.000 claims description 17
- 230000009466 transformation Effects 0.000 claims description 14
- 230000006698 induction Effects 0.000 claims description 5
- 230000001131 transforming effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 239000011449 brick Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
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Abstract
The application discloses phase-shifting full-bridge magnetism integrated topology circuit, including switch module (1), magnetism integrated module (2) and signal processing module (3), wherein: the switch module (1) is used for receiving a level signal of a power supply signal, outputting a level signal to the magnetic integration module (2) according to the level signal, the magnetic integration module (2) is used for receiving the level signal output by the switch module (1), the level signal is processed and converted into an alternating current signal through the magnetic integration module (2) and is output to the signal processing module (3), the signal processing module (3) is used for receiving the alternating current signal output by the magnetic integration module (2), and the alternating current signal is processed and converted into the level signal through the signal processing module (3) and is output to the magnetic integration module (2). The method has the effects of reducing the topological volume of the phase-shifting full bridge and improving the power density of the BMP power module.
Description
Technical Field
The present application relates to phase-shifting topology circuits, and more particularly to a phase-shifting full-bridge magnetic integrated topology circuit.
Background
At present, the BMP (Brick Module Power) power module is widely applied to the fields of industrial automation, relay protection, aerospace and the like with high reliability and high performance due to the characteristics of high efficiency, safety, reliability, easiness in system upgrading and the like, the power density requirement on the BMP power module is gradually improved, the BMP power module usually adopts a phase-shifting full-bridge topology, but the topology usually needs to comprise two large-volume magnetic devices including a transformer and an output inductor, so that the power density of the BMP power module is difficult to improve, and therefore, if the power density of the BMP power module is improved, the technical problem to be solved is urgent.
Disclosure of Invention
The purpose of the application is to reduce the topological volume of the phase-shifting full bridge, thereby improving the power density of the BMP power module.
The technical aim of the application is achieved through the following technical scheme:
a phase-shifted full-bridge magnetic integrated topology circuit, the circuit comprising a switching module (1), a magnetic integrated module (2) and a signal processing module (3), wherein:
the switch module (1) is used for receiving alternating pulse signals of a power supply signal and outputting level signals to the magnetic integration module (2) according to the alternating pulse signals;
the magnetic integration module (2) is used for receiving the level signal output by the switch module (1), and the level signal is processed by the magnetic integration module (2) and converted into an alternating current signal and output to the signal processing module (3);
the signal processing module (3) is used for receiving the alternating current signal output by the magnetic integration module (2), and the alternating current signal is processed and converted into a level signal by the signal processing module (3) and output to the magnetic integration module (2).
The switch module (1) comprises a soft switch unit 1 and an energy storage unit 2, the magnetic integration module (2) comprises a transformation unit 3 and an output unit 4, the signal processing module (3) comprises a first rectifying unit 5, a second rectifying unit 6 and a filtering unit 7, the input end of the soft switch unit 1 is connected with a power supply signal, the output end of the soft switch unit 1 is connected with the transformation unit 3 through an energy storage inductor L1, the transformation unit 3 is connected with the first rectifying unit 5, and the output unit 4 receives an alternating current signal output by the transformation unit 3 through induction and outputs the alternating current signal to the filtering unit 7 and the first rectifying unit 5 respectively.
By adopting the technical scheme, the output inductor and the transformer are integrated into one device, so that the occupied volume of the magnetic device is obviously reduced, and the power density of the BMP power module is improved.
Optionally, the transforming unit 3 includes a transformer T1, where:
the primary winding of the transformer T1 is connected with the soft switching unit 1 through the energy storage inductor L1;
the first secondary winding of the transformer T1 is connected to the first rectifying unit 5, and the second secondary winding of the transformer T1 is connected to the second rectifying unit 6.
Through adopting above-mentioned technical scheme, convert into alternating current signal after receiving the level signal of power signal output, output the alternating current signal after the conversion again to first rectification unit (5) and second rectification unit (6) to isolation circuit is favorable to protecting the electric safety.
Optionally, the output unit 4 includes an output inductor L2, a first end of the output inductor L2 is connected to the filtering unit 7, and a second end of the output inductor L2 is connected to the first rectifying unit 5.
By adopting the technical scheme, the voltage at two ends of the induction receiving transformer is filtered to form direct current signal output.
Optionally, the soft switching unit 1 and the energy storage unit 2 include an energy storage inductor L1, a MOS transistor Q2, a MOS transistor Q3, a MOS transistor Q4, an electrolytic capacitor C1, an electrolytic capacitor C2, an electrolytic capacitor C3, an electrolytic capacitor C4, a diode D1, a diode D2, a diode D3, and a diode D4, where:
the drain electrode of the MOS tube Q1 is connected with the power supply signal, the source electrode of the MOS tube Q1 is connected with the first end of the energy storage inductor L1, the positive electrode of the electrolytic capacitor C1 is connected with the power supply signal, the negative electrode of the electrolytic capacitor C1 is connected with the first end of the energy storage inductor L1, the negative electrode of the diode D1 is connected with the positive electrode of the electrolytic capacitor C1, and the positive electrode of the diode D1 is connected with the negative electrode of the electrolytic capacitor C1;
the drain electrode of the MOS tube Q2 is connected with the power supply signal, the source electrode of the MOS tube Q2 is connected with the drain electrode of the MOS tube Q4, the anode of the electrolytic capacitor C2 is connected with the power supply signal, the cathode of the electrolytic capacitor C2 is connected with the source electrode of the MOS tube Q2, the cathode of the diode D2 is connected with the anode of the electrolytic capacitor C2, and the anode of the diode D2 is connected with the cathode of the electrolytic capacitor C2;
the drain electrode of the MOS tube Q3 is connected with the source electrode of the MOS tube Q1, the source electrode of the MOS tube Q3 is grounded, the anode of the electrolytic capacitor C3 is connected with the drain electrode of the MOS tube Q3, the cathode of the electrolytic capacitor C3 is connected with the source electrode of the MOS tube Q3, the cathode of the diode D3 is connected with the anode of the electrolytic capacitor C3, and the anode of the diode D3 is connected with the cathode of the electrolytic capacitor C3;
the drain electrode of the MOS tube Q4 is connected with the source electrode of the MOS tube Q2, the source electrode of the MOS tube Q4 is grounded, the anode of the electrolytic capacitor C4 is connected with the drain electrode of the MOS tube Q4, the cathode of the electrolytic capacitor C4 is connected with the source electrode of the MOS tube Q4, the cathode of the diode D4 is connected with the anode of the electrolytic capacitor C4, and the anode of the diode D4 is connected with the cathode of the electrolytic capacitor C4.
By adopting the technical scheme, the full-bridge topology adopting the soft switch control mode improves the efficiency of the BMP power module.
Optionally, the first rectifying unit 5 includes a diode D5, a diode D6, a diode D7, and a diode D8, where:
the cathode of the diode D5 is connected with the second end of the output inductor L2, and the anode of the diode D5 is connected with the first end of the first secondary winding of the transformer T1;
the cathode of the diode D6 is connected with the second end of the output inductor L2, and the anode of the diode D6 is connected with the second end of the first secondary winding of the transformer T1;
the cathode of the diode D7 is respectively connected with the second end of the output inductor L2 and the anode of the diode D5, and the anode of the diode D7 is connected with the filter unit 7;
the negative electrode of the diode D8 is respectively connected with the second end of the first secondary winding of the transformer T1 and the positive electrode of the diode D6, and the positive electrode of the diode D8 is connected with the filter unit 7.
By adopting the technical scheme, the alternating current signal output by the first secondary winding of the transformer is received, and the level signal is formed by rectification.
Optionally, the second rectifying unit 6 includes a diode D9, a diode D10, a diode D11, and a diode D12, where:
the negative electrode of the diode D9 is connected with the second end of the output inductor L2, and the positive electrode of the diode D9 is connected with the second end of the second secondary winding of the transformer T1;
the cathode of the diode D10 is connected with the second end of the output inductor L2, and the anode of the diode D10 is connected with the first end of the second secondary winding of the transformer T1;
the negative electrode of the diode D11 is respectively connected with the second end of the second secondary winding of the transformer T1 and the positive electrode of the diode D9;
the negative electrode of the diode D12 is connected to the positive electrode of the diode D10 and the first end of the second secondary winding of the transformer T1, respectively.
By adopting the technical scheme, the alternating current signal output by the second secondary winding of the transformer is received, and the level signal is formed by rectification.
Optionally, the filtering unit 7 includes an electrolytic capacitor C5 and a resistor R1, wherein:
the positive electrode of the electrolytic capacitor C5 is connected with the first end of the output inductor L2, the negative electrode of the electrolytic capacitor C5 is respectively connected with the positive electrode of the diode D7, the positive electrode of the diode D7 and the ground electrode, and the resistor R1 is connected in parallel with the two ends of the electrolytic capacitor C5.
By adopting the technical scheme, stable direct current electric signal output is formed.
In summary, the application discloses a shift full-bridge magnetic integrated topology circuit, which at least comprises the following beneficial effects:
1. according to the transformer and the output inductor magnetic integrated circuit, the magnetic integrated design is carried out on the basis of the phase-shifting full-bridge circuit, the inductor with the volume equivalent to that of the transformer is integrated in the transformer, the occupied volume of the magnetic element is obviously reduced, and the transformer magnetic integrated circuit are favorable for power promotion, production process optimization and cost control of a BMP power supply module.
2. According to the method, phase shift control is adopted in the primary full-bridge topology, and soft switching control is completed by utilizing the primary resonance inductance and the junction capacitance of the power MOS tube when the primary power MOS is conducted or disconnected every time, so that the power of the BMP power supply module is improved.
3. And the output inductance and the output capacitance are used for combined filtering to form stable direct current signal output.
Drawings
FIG. 1 is a schematic circuit diagram of one embodiment of the prior art of the present application;
FIG. 2 is a circuit module connection diagram of one embodiment of the present application;
FIG. 3 is a circuit cell connection diagram of one embodiment of the present application
Fig. 4 is a schematic circuit diagram of an embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, a schematic circuit diagram of an embodiment of the prior art of the present application is shown.
BMP (Brick Module Power) power modules generally require a high power density, which is the maximum power that a fuel cell can output divided by the weight or volume (or area) of the overall fuel cell system, whereas in conventional phase-shifting full-bridge topologies, which are most commonly used in BMP power modules, two large-volume magnetic devices, namely a transformer (T) and an output inductor (L), are often included, so that the power density of BMP power modules, especially BMP power modules with high voltage inputs, is limited.
Referring to fig. 2, a schematic diagram of a circuit module according to an embodiment of the present application includes a switch module (1), a magnetic integration module (2), and a signal processing module (3), where:
the switch module (1) is used for receiving alternating pulse signals of a power supply signal and outputting level signals to the magnetic integration module (2) according to the alternating pulse signals;
with respect to the switch module (1): the switch module (1) comprises an energy storage inductor and four soft switch components, each soft switch component comprises an MOS tube, an electrolytic capacitor and a diode, each diode is antiparallel at two ends of the electrolytic capacitor, and the junction capacitor of the power device and leakage inductance of the transformer are used as resonance elements, so that the 4 switch tubes of the full-bridge power supply are sequentially conducted under zero voltage to realize soft switching.
The magnetic integration module (2) is used for receiving the level signal output by the switch module (1), and the level signal is processed by the magnetic integration module (2) and converted into an alternating current signal and output to the signal processing module (3);
regarding the magnetic integrated module (2): the magnetic integration module (2) comprises a transformer and an inductor, the two large-volume magnetic devices are integrated together, the transformer adopts an E-shaped magnetic core, a primary winding and a secondary winding of the transformer are wound on two side column magnetic cores, and an output inductor is wound on a middle column magnetic core. The primary winding of the transformer and the secondary winding of the transformer are fully coupled on both sides to transfer square wave energy to the rectifying module.
The signal processing module (3) is used for receiving the alternating current signal output by the magnetic integration module (2), and the alternating current signal is processed and converted into a level signal by the signal processing module (3) and output to the magnetic integration module (2).
Regarding the signal processing module (3): the signal processing module (3) comprises eight diodes, a capacitor and a resistor, and is used for receiving square wave signals output by the magnetic integration module (2), and stable direct current signal output is formed by diode rectification and parallel connection of the capacitor and the resistor.
Referring to fig. 3, a circuit unit connection diagram of an embodiment of the present application includes a soft switching unit (1), an energy storage inductor (L1), a transformation unit (3), an output unit (4), a first rectifying unit (5), a second rectifying unit (6), and a filtering unit (7).
Regarding the soft switching unit (1): the soft switch unit (1) comprises four soft switch components, the input ends of the four soft switch units (1) are connected with power signals, the output ends of the soft switch units (1) are connected with the transformation unit (3) through the energy storage unit (2), each soft switch component comprises a MOS tube, an electrolytic capacitor and a diode, and each diode is connected in anti-parallel with two ends of the electrolytic capacitor.
Regarding the energy storage unit (2): the energy storage unit (2) comprises an energy storage inductor, when the MOS tube in the soft switching component is switched from on to off, the energy storage inductor charges an electrolytic capacitor in the corresponding soft switching component, and a preparation condition is opened for a zero-voltage soft switching mode of the MOS tube.
Regarding the transformation unit (3): the transformer module comprises a transformer, in the embodiment, the transformer is an E-shaped magnetic core, a primary winding of the transformer is respectively connected with the energy storage unit (2) and the soft switching unit (1), a first secondary winding of the transformer is connected with the first rectifying unit (5), and a second secondary winding of the transformer is connected with the second rectifying unit (6). In addition, the transformer also transmits square wave signals at two ends to the output unit (4) through induction.
Regarding the output unit (4): the output unit (4) comprises an output inductor, and the output inductor receives the square wave signal output by the transformation unit (3) through induction and performs combined filtering with the filtering unit (7) to form stable direct current signal output.
Regarding the first rectifying unit (5): the first secondary winding of the receiving transformer outputs an alternating current signal and rectifies the alternating current signal into a direct current signal for output.
Regarding the second rectifying unit (6): the second secondary winding of the receiving transformer outputs an alternating current signal and rectifies the alternating current signal into a direct current signal for output.
Regarding the filtering unit (7): the filtering unit (7) comprises a resistor and a capacitor, the resistor and the capacitor are connected in parallel, and the filtering unit (7) and the output unit (4) are combined and filtered to form stable direct current signal output.
Referring to fig. 4, one embodiment of the present application discloses a phase-shifting full-bridge magnetic integrated topology circuit, comprising a switch module (1), a magnetic integrated module (2) and a signal processing module (3), wherein:
in this embodiment, the magnetic integration module (2) comprises a transformation unit (3) and an output unit (4), the transformation unit (3) comprising a transformer (T1), wherein:
the primary winding of the transformer (T1) is connected with the soft switching unit (1) through the energy storage inductor (L1);
a first secondary winding of the transformer (T1) is connected with the first rectifying unit (5), and a second secondary winding of the transformer (T1) is connected with the second rectifying unit (6);
the output unit (4) comprises an output inductor (L2), a first end of the output inductor (L2) is connected with the filtering unit (7), and a second end of the output inductor (L2) is connected with the rectifying unit.
Specifically, when the MOS tube (Q1) and the MOS tube (Q4) are conducted, the M5 end of the primary winding of the transformer is positive, the P4 end is negative, the M3 end of the corresponding first secondary winding is positive, the P3 end is negative, the M2 end of the corresponding second secondary winding is positive, and the P2 end is negative. Similarly, when the MOS tube (Q2) and the MOS tube (Q3) are conducted, the conduction is opposite.
Further, the switch module (1) comprises a soft switch unit (1) and an energy storage unit (2), the soft switch unit (1) and the energy storage unit (2) comprise an energy storage inductor (L1), a MOS tube (Q2), a MOS tube (Q3), a MOS tube (Q4), an electrolytic capacitor (C1), an electrolytic capacitor (C2), an electrolytic capacitor (C3), an electrolytic capacitor (C4), a diode (D1), a diode (D2), a diode (D3) and a diode (D4), wherein:
the drain electrode of the MOS tube (Q1) is connected with the power supply signal, the source electrode of the MOS tube (Q1) is connected with the first end of the energy storage inductor (L1), the positive electrode of the electrolytic capacitor (C1) is connected with the power supply signal, the negative electrode of the electrolytic capacitor (C1) is connected with the first end of the energy storage inductor (L1), the negative electrode of the diode (D1) is connected with the positive electrode of the electrolytic capacitor (C1), and the positive electrode of the diode (D1) is connected with the negative electrode of the electrolytic capacitor (C1);
the drain electrode of the MOS tube (Q2) is connected with the power supply signal, the source electrode of the MOS tube (Q2) is connected with the drain electrode of the MOS tube (Q4), the positive electrode of the electrolytic capacitor (C2) is connected with the power supply signal, the negative electrode of the electrolytic capacitor (C2) is connected with the source electrode of the MOS tube (Q2), the negative electrode of the diode (D2) is connected with the positive electrode of the electrolytic capacitor (C2), and the positive electrode of the diode (D2) is connected with the negative electrode of the electrolytic capacitor (C2);
the drain electrode of the MOS tube (Q3) is connected with the source electrode of the MOS tube (Q1), the source electrode of the MOS tube (Q3) is grounded, the anode of the electrolytic capacitor (C3) is connected with the drain electrode of the MOS tube (Q3), the cathode of the electrolytic capacitor (C3) is connected with the source electrode of the MOS tube (Q3), the cathode of the diode (D3) is connected with the anode of the electrolytic capacitor (C3), and the anode of the diode (D3) is connected with the cathode of the electrolytic capacitor (C3);
the drain electrode of the MOS tube (Q4) is connected with the source electrode of the MOS tube (Q2), the source electrode of the MOS tube (Q4) is grounded, the anode of the electrolytic capacitor (C4) is connected with the drain electrode of the MOS tube (Q4), the cathode of the electrolytic capacitor (C4) is connected with the source electrode of the MOS tube (Q4), the cathode of the diode (D4) is connected with the anode of the electrolytic capacitor (C4), and the anode of the diode (D4) is connected with the cathode of the electrolytic capacitor (C4).
Specifically, the soft switch in this embodiment adopts a zero-voltage turn-on mode, and in an ideal case, the voltage at both ends of the soft switch is zero before the switch is turned on, so that loss and noise are not generated when the switch is turned on.
More specifically, when the MOS transistor (Q1) is turned from on to off, the energy storage inductor (L1) charges the electrolytic capacitor (C1), and the electrolytic capacitor (C2) starts to discharge so that the voltage of the terminal A gradually decreases to 0V, and at the moment, the diode (D2) is turned on, so that a condition is prepared for zero-voltage turn-on of the MOS transistor (Q2).
More specifically, when the MOS tube (Q3) is turned from on to off, the energy storage inductor (L1) charges the electrolytic capacitor (C3), and meanwhile, the electrolytic capacitor (C4) starts to discharge so that the voltage of the endpoint B gradually drops to 0V, thereby providing a condition for zero-voltage turn-on of the MOS tube (Q4).
More specifically, the MOS tube (Q2) is turned from on to off, the energy storage inductor (L1) starts to charge the capacitor C2, and the electrolytic capacitor (C1) starts to discharge to gradually increase the voltage of the terminal A to a voltage value U equal to the power signal, so that the diode (D1) is turned on, and a condition is provided for zero-voltage turn-on of the MOS tube (Q1).
More specifically, the MOS tube (Q4) is turned from on to off, the energy storage inductor (L1) charges the electrolytic capacitor (C4), and meanwhile, the electrolytic capacitor (C3) discharges to gradually increase the voltage of the terminal B to a voltage value U equal to the power signal, at this time, the diode (D3) is turned on, and the source electrode and the drain electrode of the MOS tube (Q3) are both 0, so that a condition is prepared for the zero voltage of the MOS tube (Q3) to be turned on.
Further, the rectifying unit comprises a first rectifying unit (5), a second rectifying unit (6) and a filtering unit (7), the first rectifying unit (5) comprises a diode (D5), a diode (D6), a diode (D7) and a diode (D8), wherein:
the negative electrode of the diode (D5) is connected with the second end of the output inductor (L2), and the positive electrode of the diode (D5) is connected with the first end of the first secondary winding of the transformer (T1);
the negative electrode of the diode (D6) is connected with the second end of the output inductor (L2), and the positive electrode of the diode (D6) is connected with the second end of the first secondary winding of the transformer (T1);
the cathode of the diode (D7) is respectively connected with the second end of the output inductor (L2) and the anode of the diode (D5), and the anode of the diode (D7) is connected with the filtering unit (7);
the negative electrode of the diode (D8) is respectively connected with the second end of the first secondary winding of the transformer (T1) and the positive electrode of the diode (D6), and the positive electrode of the diode (D8) is connected with the filtering unit (7).
Specifically, the four diodes are combined to rectify and output a dc signal from the P1 end to the M1 end of the inductor (L2).
Further, the second rectifying unit (6) includes a diode (D9), a diode (D10), a diode (D11), and a diode (D12), wherein:
the negative electrode of the diode (D9) is connected with the second end of the output inductor (L2), and the positive electrode of the diode (D9) is connected with the second end of the second secondary winding of the transformer (T1);
the negative electrode of the diode (D10) is connected with the second end of the output inductor (L2), and the positive electrode of the diode (D10) is connected with the first end of the second secondary winding of the transformer (T1);
the negative electrode of the diode (D11) is respectively connected with the second end of the second secondary winding of the transformer (T1) and the positive electrode of the diode (D9);
the negative electrode of the diode (D12) is respectively connected with the positive electrode of the diode (D10) and the first end of the second secondary winding of the transformer (T1).
Specifically, the four diodes are combined to rectify and output a dc signal from the P1 end to the M1 end of the inductor (L2).
Further, the filter unit (7) comprises an electrolytic capacitor (C5) and a resistor (R1), wherein:
the positive electrode of the electrolytic capacitor (C5) is connected with the first end of the output inductor (L2), the negative electrode of the electrolytic capacitor (C5) is respectively connected with the positive electrode of the diode (D7), the positive electrode of the diode (D7) and the ground electrode, and the resistor (R1) is connected in parallel with the two ends of the electrolytic capacitor (C5).
Specifically, the electrolytic capacitor (C5) and the resistor (R1) are connected in parallel, the direct current signal output by the inductor (L1) is received, the direct current signal is filtered, interference and fluctuation signals are reduced, and smooth output of the signal is ensured.
The embodiments of the present utility model are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. The phase-shifting full-bridge magnetic integrated topological circuit is characterized by comprising a switch module (1), a magnetic integrated module (2) and a signal processing module (3), wherein:
the switch module (1) is used for receiving alternating pulse signals of a power supply signal and outputting level signals to the magnetic integration module (2) according to the alternating pulse signals;
the magnetic integration module (2) is used for receiving the level signal output by the switch module (1), and the level signal is processed by the magnetic integration module (2) and converted into an alternating current signal and output to the signal processing module (3);
the signal processing module (3) is used for receiving the alternating current signal output by the magnetic integration module (2), and the alternating current signal is processed and converted into a level signal by the signal processing module (3) and output to the magnetic integration module (2).
2. The phase-shifting full-bridge magnetic integrated topology circuit according to claim 1, wherein the switching module (1) comprises a soft switching unit 1 and an energy storage unit 2, the magnetic integrated module (2) comprises a transformation unit 3 and an output unit 4, the signal processing module (3) comprises a first rectifying unit 5, a second rectifying unit 6 and a filtering unit 7, an input end of the soft switching unit 1 is connected with a power supply signal, an output end of the soft switching unit 1 is connected with the transformation unit 3 through an energy storage inductor L1, the transformation unit 3 is connected with the first rectifying unit 5, and the output unit 4 receives an alternating current signal output by the transformation unit 3 through induction and outputs the alternating current signal to the filtering unit 7 and the first rectifying unit 5 respectively.
3. The phase-shifted full-bridge magnetic integrated topology according to claim 2, wherein the transforming unit 3 comprises a transformer T1, wherein:
the primary winding of the transformer T1 is connected with the soft switching unit 1 through the energy storage inductor L1;
the first secondary winding of the transformer T1 is connected to the first rectifying unit 5, and the second secondary winding of the transformer T1 is connected to the second rectifying unit 6.
4. A phase-shifted full-bridge magnetic integrated topology as recited in claim 3, wherein the output unit 4 comprises an output inductor L2, a first end of the output inductor L2 being connected to the filter unit 7, and a second end of the output inductor L2 being connected to the first rectifying unit 5.
5. The phase-shifting full-bridge magnetic integrated topology according to claim 4, wherein the soft switching unit 1 and the energy storage unit 2 comprise an energy storage inductance L1, a MOS transistor Q2, a MOS transistor Q3, a MOS transistor Q4, an electrolytic capacitor C1, an electrolytic capacitor C2, an electrolytic capacitor C3, an electrolytic capacitor C4, a diode D1, a diode D2, a diode D3, and a diode D4, wherein:
the drain electrode of the MOS tube Q1 is connected with the power supply signal, the source electrode of the MOS tube Q1 is connected with the first end of the energy storage inductor L1, the positive electrode of the electrolytic capacitor C1 is connected with the power supply signal, the negative electrode of the electrolytic capacitor C1 is connected with the first end of the energy storage inductor L1, the negative electrode of the diode D1 is connected with the positive electrode of the electrolytic capacitor C1, and the positive electrode of the diode D1 is connected with the negative electrode of the electrolytic capacitor C1;
the drain electrode of the MOS tube Q2 is connected with the power supply signal, the source electrode of the MOS tube Q2 is connected with the drain electrode of the MOS tube Q4, the anode of the electrolytic capacitor C2 is connected with the power supply signal, the cathode of the electrolytic capacitor C2 is connected with the source electrode of the MOS tube Q2, the cathode of the diode D2 is connected with the anode of the electrolytic capacitor C2, and the anode of the diode D2 is connected with the cathode of the electrolytic capacitor C2;
the drain electrode of the MOS tube Q3 is connected with the source electrode of the MOS tube Q1, the source electrode of the MOS tube Q3 is grounded, the anode of the electrolytic capacitor C3 is connected with the drain electrode of the MOS tube Q3, the cathode of the electrolytic capacitor C3 is connected with the source electrode of the MOS tube Q3, the cathode of the diode D3 is connected with the anode of the electrolytic capacitor C3, and the anode of the diode D3 is connected with the cathode of the electrolytic capacitor C3;
the drain electrode of the MOS tube Q4 is connected with the source electrode of the MOS tube Q2, the source electrode of the MOS tube Q4 is grounded, the anode of the electrolytic capacitor C4 is connected with the drain electrode of the MOS tube Q4, the cathode of the electrolytic capacitor C4 is connected with the source electrode of the MOS tube Q4, the cathode of the diode D4 is connected with the anode of the electrolytic capacitor C4, and the anode of the diode D4 is connected with the cathode of the electrolytic capacitor C4.
6. The phase-shifted full-bridge magnetic integrated topology of claim 5, wherein said first rectifying unit 5 comprises a diode D5, a diode D6, a diode D7, and a diode D8, wherein:
the cathode of the diode D5 is connected with the second end of the output inductor L2, and the anode of the diode D5 is connected with the first end of the first secondary winding of the transformer T1;
the cathode of the diode D6 is connected with the second end of the output inductor L2, and the anode of the diode D6 is connected with the second end of the first secondary winding of the transformer T1;
the cathode of the diode D7 is respectively connected with the second end of the output inductor L2 and the anode of the diode D5, and the anode of the diode D7 is connected with the filter unit 7;
the negative electrode of the diode D8 is respectively connected with the second end of the first secondary winding of the transformer T1 and the positive electrode of the diode D6, and the positive electrode of the diode D8 is connected with the filter unit 7.
7. The phase-shifted full-bridge magnetic integrated topology of claim 6, wherein said second rectifying unit 6 comprises a diode D9, a diode D10, a diode D11, and a diode D12, wherein:
the negative electrode of the diode D9 is connected with the second end of the output inductor L2, and the positive electrode of the diode D9 is connected with the second end of the second secondary winding of the transformer T1;
the cathode of the diode D10 is connected with the second end of the output inductor L2, and the anode of the diode D10 is connected with the first end of the second secondary winding of the transformer T1;
the negative electrode of the diode D11 is respectively connected with the second end of the second secondary winding of the transformer T1 and the positive electrode of the diode D9;
the negative electrode of the diode D12 is connected to the positive electrode of the diode D10 and the first end of the second secondary winding of the transformer T1, respectively.
8. The phase-shifted full-bridge magnetic integrated topology according to claim 7, wherein the filter unit 7 comprises an electrolytic capacitor C5 and a resistor R1, wherein:
the positive electrode of the electrolytic capacitor C5 is connected with the first end of the output inductor L2, the negative electrode of the electrolytic capacitor C5 is respectively connected with the positive electrode of the diode D7, the positive electrode of the diode D7 and the ground electrode, and the resistor R1 is connected in parallel with the two ends of the electrolytic capacitor C5.
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