CN219420571U - Electric energy control type cross-linked power switch driving control device - Google Patents

Electric energy control type cross-linked power switch driving control device Download PDF

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CN219420571U
CN219420571U CN202320298496.XU CN202320298496U CN219420571U CN 219420571 U CN219420571 U CN 219420571U CN 202320298496 U CN202320298496 U CN 202320298496U CN 219420571 U CN219420571 U CN 219420571U
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circuit
mos tube
driving
driving module
module
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徐骁楠
王晨
谭晓
杨岸岸
田崇睿
黄榆稀
何茵
钟仁麒
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

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Abstract

The utility model aims to provide an electric energy control type cross-linked power switch driving control device which comprises a control chip and a phase circuit module; the phase circuit module is provided with 2-9 groups; the phase circuit module comprises a driving module I, a driving module II, a driving module III, a driving module IV, an auxiliary power supply module and four groups of I/O interfaces; the driving module I, the driving module II, the driving module III and the driving module IV are connected in parallel, one end of the driving module I, the driving module II, the driving module III and the driving module IV are electrically connected with the control chip after being connected in parallel, the other end of the driving module I, the driving module II, the driving module III and the driving module IV are electrically connected with a group of I/O interfaces respectively. The utility model provides a cross-linking type power driving device which can be simultaneously adapted to NPC type (diode clamping type) and FC type (flying capacitor type) multiphase three-level inverter circuits, and can promote optimization and simplicity of a control strategy while reducing the overall power consumption and PCB area of the circuit.

Description

Electric energy control type cross-linked power switch driving control device
Technical Field
The utility model relates to the technical field of inverter circuit power switch control, in particular to an electric energy control type cross-linked power switch driving control device.
Background
In recent years, a three-level inverter is the simplest and most practical circuit in the multi-level inverter, and has the main advantages that compared with the traditional two-level inverter, the three-level inverter has 2 times of forward blocking voltage capability, can reduce harmonic waves and switching frequency, and further reduces system loss.
The control strategy of the power switch tube of the current three-phase multi-level inverter circuit is complex and limited by topological space, and has great potential safety hazard in the electrical application scene lacking electrical isolation equipment.
Disclosure of Invention
The utility model aims to provide an electric energy control type cross-linked power switch driving control device, and provides a cross-linked power driving device which can be simultaneously adapted to NPC type (diode clamping type) and FC type (flying capacitor type) multiphase three-level inverter circuits, and can promote optimization and simplicity of a control strategy while reducing the overall power consumption and the PCB area of the circuit.
The electric energy control type cross-linked power switch driving control device comprises a control chip and a phase circuit module;
the phase circuit module is provided with 2-9 groups; the phase circuit module comprises a driving module I, a driving module II, a driving module III, a driving module IV, an auxiliary power supply module and four groups of I/O interfaces; the driving module I, the driving module II, the driving module III and the driving module IV are connected in parallel, one end of the driving module I, the driving module II, the driving module III and the driving module IV are electrically connected with the control chip after being connected in parallel, the other end of the driving module I, the driving module II, the driving module III and the driving module IV are electrically connected with a group of I/O interfaces respectively.
The electric energy control type cross-linked power switch driving control device also comprises an overvoltage and overcurrent protection circuit, and the control chip is connected with the power port after passing through the overvoltage and overcurrent protection circuit.
The electric energy control type cross-linked power switch driving control device also comprises a digital display module and a temperature protection circuit, wherein the digital display module is electrically connected with the control chip through the temperature protection circuit.
The phase circuit module is provided with 3 groups.
The electric energy control type cross-linked power switch driving control device further comprises a noise protection circuit, and the noise protection circuit is electrically connected with the control chip.
The noise protection circuit comprises two groups of microphone single-array modules and two groups of multi-order Butterworth low-pass filters, and the two groups of microphone single-array modules are connected and then serve as signal input ends of the two groups of multi-order Butterworth low-pass filters.
The driving module comprises an inversion single-bridge arm circuit and a driving circuit, wherein the inversion single-bridge arm circuit is arranged on the driving circuit, and two ends of the driving circuit are respectively and electrically connected with the control chip and the auxiliary power supply module.
The inversion single-bridge arm circuit is a single-bridge arm flying capacitor type circuit or a single-bridge arm diode clamp type circuit.
The single bridge arm flying capacitor type circuit comprises a set radiating fin, a MOS tube I, a MOS tube II, a MOS tube III, a MOS tube IV and a capacitor;
the MOS tube I, the MOS tube II, the MOS tube III and the MOS tube IV are connected in series, and the anode and the cathode of the serial circuit are respectively connected with the anode and the cathode of the driving circuit; one end of the capacitor is connected with a circuit between the MOS tube I and the MOS tube II, and the other end of the capacitor is connected with a circuit between the MOS tube III and the MOS tube IV; the junction between the MOS tube II and the MOS tube III outputs inverted alternating voltage, the grid driving voltage of each MOS tube is provided by an I/O interface, and the circuit of each MOS tube is connected with the I/O interface.
The single bridge arm diode clamping circuit comprises a set radiating fin, an MOS tube V, an MOS tube VI, an MOS tube VII, an MOS tube VIII, a diode I and a diode II;
the MOS tube V, the MOS tube VI, the MOS tube VII and the MOS tube VIII are connected in series, and the anode and the cathode of the serial circuit are respectively connected with the anode and the cathode of the driving circuit; the diode is provided with two groups of diodes to form a diode clamping type circuit, the positive electrode of the diode clamping type circuit is connected with a circuit between the MOS tube V and the MOS tube VI, and the negative electrode of the diode clamping type circuit is connected with a circuit between the MOS tube VII and the MOS tube VIII; the junction between the MOS tube VI and the MOS tube VII outputs inverted alternating voltage, the grid driving voltage of each MOS tube is provided by an I/O interface, and the circuit of each MOS tube is connected with the I/O interface; a midpoint balance port is arranged on a line between the two groups of diodes.
The electric energy control type cross-linked power switch driving control device also comprises a multilayer printed circuit board, wherein the control chip and the phase circuit module are arranged on the multilayer printed circuit board.
The auxiliary power supply module can be selected from H621xL series chips, such as H6211L, H6212L, H6213L.
The model of the overvoltage and overcurrent protection circuit can select chips such as an LP5300 chip.
The digital display module can be selected from digital current and voltage double-display 0-100V10A plates of brands such as Qiaoda, shiya and the like.
The temperature protection circuit can be selected from chips such as core harbor micro RC01ST52A SOT23-5 and the like.
The type of the driving circuit can be selected from UCC21520 silicon carbide MOS tube grid driving circuits.
The design principle of the utility model is as follows:
the utility model relates to a circuit structure which can convert direct-current bus voltage into multiphase sine alternating current with adjacent phase spacing of 120 ℃ and working frequency of 50Hz +/-5-10% through a multiphase inverter circuit and a control system of a cross-linking coupling structure.
The preferred scheme of the utility model is a three-level inverter circuit, and each inverter bridge arm is provided with four power switching tubes as main power devices of the inverter circuit. The power supply of the three-level multiphase inversion driving board is input by an on-board power port, and proper voltage and current are provided for a 32-bit intelligent main control chip of an ARM framework after passing through an on-board overvoltage and overcurrent protection device; the temperature protection circuit uses PID control principle to accurately regulate and control the normal operation of the system device circuit, the control board and the main control chip in the system device operation; the auxiliary power supply supplies power to the power switch tube driving module; the noise protection circuit filters and absorbs noise which is possibly harmful to all elements of the circuit from the outside through a filter principle so as to ensure the normal operation of the system device.
The beneficial effects of the utility model are as follows:
the utility model provides a power switch tube isolation driving device with a cross-linking coupling structure, which can support a multiphase multi-level inverter circuit, is based on a multi-driving module and multi-I/O interface combined structure with unique innovative design, can greatly reduce the potential threat of electrical high voltage while saving the PCB area and reducing the overall power consumption of the circuit to a greater extent, and finally realizes more optimization of a control strategy and more simple and convenient control process. The system can realize higher efficiency and improve the stability and reliability of the system.
Drawings
Fig. 1 is a schematic structural diagram of a power control type cross-linked power switch driving control device according to an embodiment;
FIG. 2 is a schematic diagram of a single leg flying capacitor circuit of embodiment 1;
fig. 3 is a schematic diagram of a single-leg diode-clamped circuit of embodiment 2;
fig. 4 is a schematic diagram of a topology equivalent circuit when a plurality of groups of single-arm diode clamp circuits of embodiment 2 are respectively mounted on each driving circuit;
fig. 5 is a schematic diagram of the UCC21520 silicon carbide MOS transistor gate drive circuit of examples 1 and 2;
fig. 6 is a schematic diagram of the multi-order butterworth low-pass filter of examples 1 and 2.
Description of the embodiments
The utility model is described in detail below with reference to the drawings and examples.
Examples
As shown in fig. 1, 2, 5 and 6, the electric energy control type cross-linked power switch driving control device comprises a control chip, a phase circuit module, an overvoltage and overcurrent protection circuit, a digital display module, a temperature protection circuit and a noise protection circuit;
the phase circuit module is provided with 3 groups; the phase circuit module comprises a driving module I, a driving module II, a driving module III, a driving module IV, an auxiliary power supply module and four groups of I/O interfaces; the driving module I, the driving module II, the driving module III and the driving module IV are connected in parallel, one end of the driving module I, the driving module II, the driving module III and the driving module IV are electrically connected with the control chip after being connected in parallel, the other end of the driving module I, the driving module II, the driving module III and the driving module IV are electrically connected with a group of I/O interfaces respectively.
The control chip is connected with the power port after passing through the overvoltage and overcurrent protection circuit; the digital display module is electrically connected with the control chip through the temperature protection circuit; the noise protection circuit is electrically connected with the control chip. The noise protection circuit comprises two groups of microphone single-array modules and two groups of multi-order Butterworth low-pass filters, and the two groups of microphone single-array modules are connected and then serve as signal input ends of the two groups of multi-order Butterworth low-pass filters.
The driving module comprises an inversion single-bridge arm circuit and a driving circuit, wherein the inversion single-bridge arm circuit is arranged on the driving circuit, and two ends of the driving circuit are respectively and electrically connected with the control chip and the auxiliary power supply module.
The inversion single-bridge arm circuit is a single-bridge arm flying capacitor type circuit; the single bridge arm flying capacitor type circuit comprises an integrated radiating fin, a MOS tube I, a MOS tube II, a MOS tube III, a MOS tube IV and an inversion clamping capacitor;
the MOS tube I, the MOS tube II, the MOS tube III and the MOS tube IV are connected in series, and the anode and the cathode of the serial circuit are respectively connected with the anode and the cathode of the driving circuit; one end of the capacitor is connected with a circuit between the MOS tube I and the MOS tube II, and the other end of the capacitor is connected with a circuit between the MOS tube III and the MOS tube IV; the junction between the MOS tube II and the MOS tube III outputs inverted alternating voltage, the grid driving voltage of each MOS tube is provided by an I/O interface, and the circuit of each MOS tube is connected with the I/O interface.
Examples
As shown in fig. 1 and 3-6, the electric energy control type cross-linked power switch driving control device comprises a control chip, a phase circuit module, an overvoltage and overcurrent protection circuit, a digital display module, a temperature protection circuit and a noise protection circuit;
the phase circuit module is provided with 3 groups; the phase circuit module comprises a driving module I, a driving module II, a driving module III, a driving module IV, an auxiliary power supply module and four groups of I/O interfaces; the driving module I, the driving module II, the driving module III and the driving module IV are connected in parallel, one end of the driving module I, the driving module II, the driving module III and the driving module IV are electrically connected with the control chip after being connected in parallel, the other end of the driving module I, the driving module II, the driving module III and the driving module IV are electrically connected with a group of I/O interfaces respectively.
The control chip is connected with the power port after passing through the overvoltage and overcurrent protection circuit; the digital display module is electrically connected with the control chip through the temperature protection circuit; the noise protection circuit is electrically connected with the control chip. The noise protection circuit comprises two groups of microphone single-array modules and two groups of multi-order Butterworth low-pass filters, and the two groups of microphone single-array modules are connected and then serve as signal input ends of the two groups of multi-order Butterworth low-pass filters.
The driving module comprises an inversion single-bridge arm circuit and a driving circuit, wherein the inversion single-bridge arm circuit is arranged on the driving circuit, and two ends of the driving circuit are respectively and electrically connected with the control chip and the auxiliary power supply module.
The inversion single-bridge arm circuit is a single-bridge arm diode clamping circuit; the single bridge arm diode clamping circuit comprises a collective radiating fin, an MOS tube V, an MOS tube VI, an MOS tube VII, an MOS tube VIII, a diode I and a diode II;
the MOS tube V, the MOS tube VI, the MOS tube VII and the MOS tube VIII are connected in series, and the anode and the cathode of the serial circuit are respectively connected with the anode and the cathode of the driving circuit; the diode is provided with two groups of diodes to form a diode clamping type circuit, the positive electrode of the diode clamping type circuit is connected with a circuit between the MOS tube V and the MOS tube VI, and the negative electrode of the diode clamping type circuit is connected with a circuit between the MOS tube VII and the MOS tube VIII; the junction between the MOS tube VI and the MOS tube VII outputs inverted alternating voltage, the grid driving voltage of each MOS tube is provided by an I/O interface, and the circuit of each MOS tube is connected with the I/O interface; a midpoint balance port is arranged on a line between the two groups of diodes.

Claims (10)

1. An electric energy control type cross-linked power switch driving control device comprises a control chip and a phase circuit module; the method is characterized in that:
the phase circuit module is provided with 2-9 groups; the phase circuit module comprises a driving module I, a driving module II, a driving module III, a driving module IV, an auxiliary power supply module and four groups of I/O interfaces; the driving module I, the driving module II, the driving module III and the driving module IV are connected in parallel, one end of the driving module I, the driving module II, the driving module III and the driving module IV are electrically connected with the control chip after being connected in parallel, the other end of the driving module I, the driving module II, the driving module III and the driving module IV are electrically connected with a group of I/O interfaces respectively.
2. The power control type cross-linked power switch driving control device according to claim 1, wherein: the control chip is connected with the power port after passing through the overvoltage and overcurrent protection circuit; the temperature protection circuit is connected with the digital display module through the temperature protection circuit.
3. The power control type cross-linked power switch driving control device according to claim 1, wherein: the phase circuit module is provided with 3 groups.
4. The power control type cross-linked power switch driving control device according to claim 1, wherein: the noise protection circuit is electrically connected with the control chip.
5. The power control type cross-linked power switch driving control apparatus according to claim 4, wherein: the noise protection circuit comprises two groups of microphone single-array modules and two groups of multi-order Butterworth low-pass filters, and the two groups of microphone single-array modules are connected and then serve as signal input ends of the two groups of multi-order Butterworth low-pass filters.
6. The power control type cross-linked power switch driving control device according to claim 1, wherein: the driving module comprises an inversion single-bridge arm circuit and a driving circuit, wherein the inversion single-bridge arm circuit is arranged on the driving circuit, and two ends of the driving circuit are respectively and electrically connected with the control chip and the auxiliary power supply module.
7. The power control type cross-linked power switch driving control apparatus according to claim 6, wherein: the inversion single-bridge arm circuit is a single-bridge arm flying capacitor type circuit or a single-bridge arm diode clamp type circuit.
8. The power control type cross-linked power switch driving control apparatus according to claim 7, wherein: the single bridge arm flying capacitor type circuit comprises a set radiating fin, a MOS tube I, a MOS tube II, a MOS tube III, a MOS tube IV and a capacitor;
the MOS tube I, the MOS tube II, the MOS tube III and the MOS tube IV are connected in series, and the anode and the cathode of the serial circuit are respectively connected with the anode and the cathode of the driving circuit; one end of the capacitor is connected with a circuit between the MOS tube I and the MOS tube II, and the other end of the capacitor is connected with a circuit between the MOS tube III and the MOS tube IV; the junction between the MOS tube II and the MOS tube III outputs inverted alternating voltage, the grid driving voltage of each MOS tube is provided by an I/O interface, and the circuit of each MOS tube is connected with the I/O interface.
9. The power control type cross-linked power switch driving control apparatus according to claim 7, wherein:
the single bridge arm diode clamping circuit comprises a set radiating fin, an MOS tube V, an MOS tube VI, an MOS tube VII, an MOS tube VIII, a diode I and a diode II;
the MOS tube V, the MOS tube VI, the MOS tube VII and the MOS tube VIII are connected in series, and the anode and the cathode of the serial circuit are respectively connected with the anode and the cathode of the driving circuit; the diode is provided with two groups, the two groups are connected in series to form a diode clamping type circuit, the positive electrode of the diode clamping type circuit is connected with a circuit between the MOS tube V and the MOS tube VI, and the negative electrode of the diode clamping type circuit is connected with a circuit between the MOS tube VII and the MOS tube VIII; the junction between the MOS tube VI and the MOS tube VII outputs inverted alternating voltage, the grid driving voltage of each MOS tube is provided by an I/O interface, and the circuit of each MOS tube is connected with the I/O interface; a midpoint balance port is arranged on a line between the two groups of diodes.
10. The power control type cross-linked power switch driving control device according to claim 1, wherein: the control chip and the phase circuit module are arranged on the multilayer printed circuit board.
CN202320298496.XU 2023-02-23 2023-02-23 Electric energy control type cross-linked power switch driving control device Active CN219420571U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320298496.XU CN219420571U (en) 2023-02-23 2023-02-23 Electric energy control type cross-linked power switch driving control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320298496.XU CN219420571U (en) 2023-02-23 2023-02-23 Electric energy control type cross-linked power switch driving control device

Publications (1)

Publication Number Publication Date
CN219420571U true CN219420571U (en) 2023-07-25

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Application Number Title Priority Date Filing Date
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