High-voltage and high-speed motor driving and control circuit

Abstract

The utility model belongs to the technical field of circuits, and particularly relates to a high-voltage and high-speed motor drive and control circuit. The IPM EMC suppression circuit is connected with the motor IPM driving circuit, the motor IPM driving circuit is respectively connected with the current operational amplifier detection circuit, the DC bus current detection circuit and the main control MCU, the DC-DC BUCK-15V circuit is connected with the DC5V step-down circuit, the DC5V step-down circuit is respectively connected with the DC bus current detection circuit and the upper computer serial optical coupler isolation communication interface, and the upper computer serial optical coupler isolation communication interface is connected with the DC bus current detection circuit. The main control MCU is connected with the buzzer control circuit, the upper computer serial optical coupler isolation communication interface, the heating wire silicon controlled rectifier control circuit, the AC voltage zero cross detection circuit and the DC bus voltage detection circuit. The utility model is used for solving the problems of low efficiency, large electromagnetic noise, short service life, limited application voltage and inconvenient speed regulation of the motor.

Description

TECHNICAL FIELD

[0001] The utility model belongs to circuit technical field, especially relate to a high voltage high speed motor drive and control circuit. BACKGROUND

[0002] High speed machining technology is more and more paid attention to by people, it not only can obtain greater productivity, but also can obtain very high processing quality, and can reduce production cost, and is considered as one of the most promising advanced manufacturing technologies in 21 century.

[0003] In advanced industrial countries, this technology has been widely used in aviation, aerospace and mould industry. In the past five years, our country's technology has also made great progress. It is the prerequisite for realizing high speed cutting.

[0004] But the motor matched with high speed application all adopts series excited motor, and series excited motor has the problems of low efficiency, big electromagnetic noise, short service life, limited application voltage and inconvenient speed regulation, and the manufacturing difficulty is also bigger. INVENTION CONTENTS

[0005] The utility model provides a high voltage high speed motor drive and control circuit to solve the problems of low efficiency, big electromagnetic noise, short service life, limited application voltage and inconvenient speed regulation of motor.

[0006] The utility model realizes by following technical scheme:

[0007] A high voltage high speed motor drive and control circuit, the circuit includes main control MCU, DC-DC BUCK 15V circuit, DC 5V voltage reduction circuit, IPM EMC suppression circuit, motor IPM drive circuit, DC rectifier circuit, DC bus voltage detection circuit, relay switch circuit, AC input EMC filter circuit, heating wire thyristor control circuit, AC voltage zero-crossing detection circuit, DC bus current detection circuit, current operational amplifier detection circuit, buzzer control circuit and host computer serial optocoupler isolation communication interface;

[0008] The AC input EMC filter circuit is connected with relay switch circuit and DC rectifier circuit in turn, the DC rectifier circuit is connected with DC-DC BUCK 15V circuit, DC bus voltage detection circuit, heating wire thyristor control circuit, AC voltage zero-crossing detection circuit, motor IPM drive circuit and IPM EMC suppression circuit respectively,

[0009] The IPM EMC suppression circuit is connected with the motor IPM drive circuit, the motor IPM drive circuit is connected with the current operational amplifier detection circuit, the DC bus current detection circuit and the main control MCU respectively, the DC-DC BUCK conversion 15V circuit is connected with the DC5V voltage reduction circuit, the DC5V voltage reduction circuit is connected with the DC bus current detection circuit and the upper computer serial optical coupling isolation communication interface respectively, the main control MCU is connected with the buzzer control circuit, the upper computer serial optical coupling isolation communication interface, the heating wire thyristor control circuit, the AC voltage zero-crossing detection circuit and the DC bus voltage detection circuit respectively.

[0010] Further, the DC-DC BUCK conversion 15V circuit comprises a stabilizing diode D1, the positive electrode of the stabilizing diode D1 is connected with the rectifier circuit 310V voltage output end, the negative electrode of the stabilizing diode D1 is connected with the 5th pin of the chip U2 and one end of the capacitor C12 respectively, the 7th pin of the chip U2 is connected with one end of the resistor R5, the other end of the resistor R5 is connected with one end of the capacitor C1, the 8th pin of the chip U2 and one end of the inductor L1 respectively, the other end of the capacitor C1 is connected with the 4th pin of the chip U2, the 2nd pin of the chip U2 is connected with the other end of the inductor L1, one end of the capacitor C6, one end of the capacitor C5, the negative electrode of the stabilizing diode D4 and one end of the resistor R36 respectively, the other end of the resistor R36 is connected with the 3rd pin of the chip U1, the 1st pin of the chip U1 is connected with one end of the capacitor C2 and the 5V voltage output end respectively, the other end of the capacitor C2 is connected with the 2nd pin of the chip U1, the positive electrode of the stabilizing diode D4, the other end of the capacitor C5, the other end of the capacitor C6 and the other end of the capacitor C12 in sequence and grounded.

[0011] Further, the DC5V voltage reduction circuit comprises an inductor L2, one end of the inductor L2 is connected with the rectifier circuit 310V voltage output end, the other end of the inductor L2 is connected with one end of the capacitor CE1, one end of the resistor R24, one end of the capacitor C40, one end of the resistor R2 and the 1st pin of T1 respectively, the other end of the capacitor CE1 is grounded;

[0012] The other end of the resistor R24 is connected with one end of the resistor R49, the other end of the resistor R49 is connected with one end of the resistor R44, the 1st pin of the chip U5, one end of the capacitor C3 and one end of the capacitor CE3 respectively, the other end of the capacitor C3 is grounded, the other end of the capacitor CE3 is grounded, the other end of the resistor R44 is connected with the negative electrode of the diode D6, the positive electrode of the diode D6 is connected with one end of the resistor R32, one end of the resistor R50 and the 6th pin of T1 respectively, the other end of the resistor R32 is connected with the other end of the resistor R50, one end of the resistor R31, the 2nd pin of the chip U5 and the ground terminal respectively,

[0013] The other end of the capacitor C40 is connected with the other end of the resistor R2 and the one end of the resistor R65 respectively, the other end of the resistor R65 is connected with the negative electrode of the diode D3, the positive electrode of the diode D3 is connected with the 5th end of the chip U5, the 6th end of the chip U5 and the 1st end of T1 respectively; the 7th end of T1 is grounded;

[0014] The 4th end of the chip U5 is connected with the one end of the resistor R31 and the one end of the resistor R46 respectively, the other end of the resistor R31 is connected with the other end of the resistor R46 and then grounded; the 7th end of the chip U5 is grounded;

[0015] The 4th end of T1 is connected with the one end of the resistor R1 and the positive electrode of the diode D2 respectively, the other end of the resistor R1 is connected with the one end of the capacitor C24, the other end of the capacitor C24 is connected with the negative electrode of the diode D2, the one end of the capacitor CE2, the one end of the resistor R25 and the DC5V voltage output end respectively; the other end of the capacitor CE2 is connected with the other end of the resistor R25 and the 5th end of T1 and then grounded.

[0016] Further, the IPM EMC suppression circuit comprises a capacitor C8, a capacitor C21 and a capacitor C22, one end of the capacitor C8 is connected with the one end of the capacitor C21, the one end of the capacitor C22 and the rectifier circuit 310V voltage output end respectively, the other end of the capacitor C8 is connected with the one end of the capacitor C23, the other end of the capacitor C21 is connected with the one end of the capacitor C32, the other end of the capacitor C22 is connected with the one end of the capacitor C33, the other end of the capacitor C23 is connected with the other end of the capacitor C32, the other end of the capacitor C33 and the one end of the capacitor Y3 respectively and then grounded, the other end of the capacitor Y3 is connected with the grounding port PE2.

[0017] Further, the motor IPM drive circuit comprises a chip EC2, the 2nd end of the chip EC2 is connected with the one end of the capacitor C9, the one end of the capacitor EC3 and the negative electrode of the voltage stabilizing diode ZD2 respectively, the other end of the capacitor C9 is connected with the other end of the capacitor EC3 and the positive electrode of the voltage stabilizing diode ZD2 respectively;

[0018] The 3rd end of the chip EC2 is connected with the one end of the capacitor C10, the one end of the capacitor EC1 and the negative electrode of the voltage stabilizing diode ZD4 respectively, the other end of the capacitor C10 is connected with the other end of the capacitor EC1 and the positive electrode of the voltage stabilizing diode ZD4 respectively;

[0019] The 4th end of the chip EC2 is connected with one end of the capacitor C11, one end of the capacitor EC2 and the negative electrode of the voltage stabilizing diode ZD3 respectively, the other end of the capacitor C11 is connected with the other end of the capacitor EC2 and the positive electrode of the voltage stabilizing diode ZD3 respectively;

[0020] The 5th end of the chip EC2 is connected with one end of the capacitor C30 and one end of the resistor R4 respectively, the other end of the resistor R4 is connected with the 28th end of the chip U4,

[0021] The 6th end of the chip EC2 is connected with one end of the capacitor C27 and one end of the resistor R7 respectively, the other end of the resistor R7 is connected with the 25th end of the chip U4,

[0022] The 7th end of the chip EC2 is connected with one end of the capacitor C29 and one end of the resistor R10 respectively, the other end of the resistor R10 is connected with the 30th end of the chip U4,

[0023] The other end of the capacitor C30 is connected with the other end of the capacitor C27 and the other end of the capacitor C29 respectively and then grounded;

[0024] The 8th end of the chip EC2 is connected with the 13th end of the chip EC2, the positive electrode of the voltage stabilizing diode ZD5, one end of the capacitor C13, one end of the capacitor EC4 and the 15V voltage end respectively, the 9th end of the chip EC2 is connected with the 16th end of the chip EC2, the negative electrode of the voltage stabilizing diode ZD5, the other end of the capacitor C13 and the other end of the capacitor EC4 respectively and then grounded;

[0025] The 10th end of the chip EC2 is connected with one end of the capacitor C25 and one end of the resistor R13 respectively, the other end of the resistor R13 is connected with the 29th end of the chip U4,

[0026] The 11th end of the chip EC2 is connected with one end of the capacitor C26 and one end of the resistor R15 respectively, the other end of the resistor R15 is connected with the 26th end of the chip U4,

[0027] The 12th end of the chip EC2 is connected with one end of the capacitor C28 and one end of the resistor R17 respectively, the other end of the resistor R17 is connected with the 27th end of the chip U4,

[0028] The other end of the capacitor C25 is connected with the other end of the capacitor C26 and the other end of the capacitor C28 respectively and then grounded;

[0029] The 14th end of the chip EC2 is connected with one end of the resistor R19 and one end of the capacitor C19 respectively, the other end of the resistor R19 is connected with the 15V voltage terminal, the 17th end of the chip EC2 is connected with one end of the resistor R20 and one end of the capacitor C20 respectively, the other end of the resistor R20 is connected with the other end of the capacitor C20 and the other end of the capacitor C19 respectively and then grounded.

[0030] The 15th end of the chip EC2 is connected with one end of the resistor R21 and one end of the capacitor C18 respectively, the other end of the resistor R21 is connected with one end of the resistor RS1, one end of the resistor RS2, one end of the resistor RS3 and the 18th end of the chip EC2 respectively, the other end of the resistor RS2 is connected with the 19th end of the chip EC2, the other end of the resistor RS1 is connected with the 20th end of the chip EC2, the other end of the resistor RS3 is connected with the other end of the capacitor C18 and then grounded.

[0031] The 21st end of the chip EC2 is connected with the 5th end of the CON1, the 22nd end of the chip EC2 is connected with the 3rd end of the CON1, the 23rd end of the chip EC2 is connected with the 1st end of the CON1, and the 24th end of the chip EC2 is connected with the 310V voltage output terminal.

[0032] Further, the relay switching circuit comprises the resistor R37, one end of the resistor R37 is connected with the 15V voltage terminal, the other end of the resistor R37 is connected with the 5th end of the D7 and the negative electrode of the diode KLB respectively, the 1st end of the D7 is connected with the positive and negative electrodes of the diode KLB and the collector of the triode Q7 respectively, the base of the triode Q7 is connected with one end of the resistor R39 and one end of the resistor R66 respectively, the other end of the resistor R39 is connected with the 9th end of the chip U4, the other end of the resistor R66 is connected with the emitter of the triode Q7 and then grounded.

[0033] The DC bus voltage detection circuit comprises the resistor R3, one end of the resistor R3 is connected with the rectifier circuit 310V voltage output terminal, the other end of the resistor R3 is connected with one end of the resistor R8, the other end of the resistor R8 is connected with one end of the resistor R11 and one end of the resistor R12 respectively, the other end of the resistor R11 is connected with the 10th end of the chip U4 and one end of the capacitor C16 respectively, the other end of the resistor R12 is connected with one end of the capacitor C16 and then grounded.

[0034] Further, the AC input EMC filter circuit comprises a fuse F1, one end of the fuse F1 is connected with the ACL input end, the other end of the fuse F1 is connected with one end of a voltage-dependent resistor TZR1, one end of a safety capacitor CX101, one end of a resistor R47, an H+ input end of a heating wire thyristor control circuit and a same 1 end of a common mode inductor LX1 respectively, the other end of the resistor R47 is connected with one end of a resistor R48, the other end of the voltage-dependent resistor TZR1 is connected with the ACN input end, the other end of the safety capacitor CX101, the other end of the resistor R48 and a same 2 end of the common mode inductor LX1 respectively;

[0035] The same 1 end of the common mode inductor LX1 is connected with one end of a capacitor Y1, a 2 number end of a switch K1A and one end of an NTC 101 respectively, the other end of the NTC 101 is connected with a 3 number end of a chip D5, the same 2 end of the common mode inductor LX1 is connected with one end of a capacitor Y2 and a 2 number end of the chip D5 respectively,

[0036] The other end of the capacitor Y1 is connected with the other end of the capacitor Y2 and then connected with a ground and a ground interface PE end;

[0037] The rectifier circuit comprises the chip D5, a 1 number end of the chip D5 is connected with one end of a capacitor C4, one end of a capacitor C7, one end of a capacitor Csnup1 and a 310V voltage output end respectively;

[0038] A 4 number end of the chip D5 is connected with the other end of the capacitor C4, the other end of the capacitor C7, the other end of the capacitor Csnup1 and a ground end respectively.

[0039] Further, the heating wire thyristor control circuit comprises a bidirectional thyristor Q2, a 1 number end of the bidirectional thyristor Q2 is connected with the ACN input end, a 2 number end of the bidirectional thyristor Q2 is connected with one end of a heating wire R35 and an H- input end of the AC input EMC filter circuit respectively, a 3 number end of the bidirectional thyristor Q2 is connected with a 3 pin end of a bidirectional optical coupler U8 (OR 3063), a 4 pin end of the bidirectional optical coupler U8 is connected with one end of a heating wire R34, the other end of the heating wire R34 is connected with the other end of the heating wire R35, a 1 pin end of the bidirectional optical coupler U8 is connected with one end of a heating wire R51 and a 5V voltage end respectively, a 2 pin end of the bidirectional optical coupler U8 is connected with the other end of the heating wire R51 and one end of a heating wire R52 respectively, the other end of the heating wire R52 is connected with a 14 number end of a chip U4;

[0040] The model of the bidirectional optical coupler U8 is OR 3063;

[0041] The AC voltage zero-crossing detection circuit comprises a heating wire R43, one end of the heating wire R43 is connected with the ACN input end, the other end of the heating wire R43 is connected with one end of a heating wire R45, the other end of the heating wire R45 is connected with the 1-pin end of a bidirectional optical coupler U9, the 2-pin end of the bidirectional optical coupler U9 is connected with the ACL input end, the 3-pin end of the bidirectional optical coupler U9 is respectively connected with one end of a heating wire R27, one end of a heating capacitor C31 and the 22th end of a chip U4, the other end of the heating wire R27 is connected with the 5V voltage end.

[0042] Further, the DC bus current detection circuit comprises a resistor R53, one end of the resistor R53 is connected with the 5V voltage end, the other end of the resistor R53 is respectively connected with one end of a capacitor C15, one end of a resistor R54, one end of a resistor R6 and the 7th end of an OCP of the chip U4, the other end of the capacitor C15 is connected with the other end of the resistor R54 and then grounded, the other end of the resistor R6 is connected with the I_shunt end.

[0043] Further, the upper computer serial optical coupler communication isolation circuit comprises an interface JP1, the 4th end of the interface JP1 is respectively connected with the 16th end of the chip U4 and the 2nd end of an optical coupler U6, the 1st end of the optical coupler U6 is connected with the 5V voltage end in series with a resistor R30, the 4th end of the optical coupler U6 is respectively connected with one end of a resistor R29 and the 4th end of a serial communication interface CON201, the other end of the resistor R29 is connected with the DC5V voltage end, the 3rd end of the optical coupler U6 is grounded;

[0044] the 3rd end of the interface JP1 is respectively connected with the 17th end of the chip U4, one end of a resistor R38 and the 4th end of the optical coupler U6, the other end of the resistor R38 is respectively connected with the 1st end of the interface JP1 and the 5V voltage end, the 1st end of the interface JP1 and the 3rd end of the optical coupler U6 are connected and then grounded, the 1st end of the optical coupler U6 is connected with the DC5V voltage end in series with a resistor R40, the 2nd end of the optical coupler U6 is connected with the 3rd end of the serial communication interface CON201;

[0045] the 1st end of the serial communication interface CON201 is connected with the DC5V voltage end.

[0046] The utility model discloses the beneficial effect is:

[0047] The utility model discloses a sampling brushless DC motor can effectively solve the problem of big noise, short life, and the motor operating efficiency has been greatly promoted, effectively reduces the motor body, is convenient for installation and transportation, adopts high pressure non - isolation's EC scheme, and circuit is simple and reliable, simultaneously possesses multiple protection, and the security hidden danger is prevented, adopts non - inductive FOC field weakening control, effectively promoted motor speed, integrated circuit, the convenient realization of multiple control function improves the user experience of product. BRIEF DESCRIPTION OF DRAWINGS

[0048] Figure 1 It is the motor drive control schematic diagram of the utility model.

[0049] Figure 2 It is the host computer control schematic diagram of the utility model.

[0050] Figure 3 It is the AC input EMC filter circuit and DC rectifier circuit circuit diagram of the utility model.

[0051] Figure 4 It is the DC-DC BUCK 15V circuit diagram of the utility model.

[0052] Figure 5 It is the DC5V step - down electric diagram of the utility model.

[0053] Figure 6 It is the AC voltage zero - crossing detection circuit diagram of the utility model.

[0054] Figure 7 It is the heating wire thyristor control circuit diagram of the utility model.

[0055] Figure 8 It is the host computer serial optocoupler isolation communication interface circuit diagram of the utility model.

[0056] Figure 9 It is the motor IPM drive circuit circuit diagram of the utility model.

[0057] Figure 10 It is the motor IPM drive circuit auxiliary circuit diagram of the utility model, wherein (a) is the main burning port, (b) is the DC bus voltage detection circuit, (c) is the main control reset circuit, (d) is the motor bus current detection circuit, (e) is the current operational amplifier detection circuit.

[0058] Figure 11 It is the main control MCU circuit diagram of the utility model.

[0059] Figure 12 It is the display function circuit diagram of the utility model.

[0060] Figure 13 It is the display screen dot matrix circuit diagram of the utility model.

[0061] Figure 14 is the host computer main control circuit diagram of the utility model.

[0062] Figure 15 is the host computer external communication port circuit diagram of the utility model

[0063] Figure 16 is the host computer external control circuit diagram of the utility model. DETAILED DESCRIPTION

[0064] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0065] A high-voltage high-speed motor drive and control circuit, the circuit includes host MCU, DC-DC BUCK 15V circuit, DC 5V voltage reduction circuit, IPM EMC suppression circuit, motor IPM drive circuit, DC rectifier circuit, DC bus voltage detection circuit, relay switch circuit, AC input EMC filter circuit, heating wire thyristor control circuit, AC voltage zero-crossing detection circuit, DC bus current detection circuit, current operational amplifier detection circuit, buzzer control circuit and host computer serial optocoupler isolation communication interface;

[0066] The AC input EMC filter circuit is connected with the relay switch circuit and the DC rectifier circuit in sequence, the DC rectifier circuit is connected with the DC-DC BUCK 15V circuit, the DC bus voltage detection circuit, the heating wire thyristor control circuit, the AC voltage zero-crossing detection circuit, the motor IPM drive circuit and the IPM EMC suppression circuit respectively,

[0067] The IPM EMC suppression circuit is connected with the motor IPM drive circuit, the motor IPM drive circuit is connected with the current operational amplifier detection circuit, the DC bus current detection circuit and the host MCU respectively, the DC-DC BUCK 15V circuit is connected with the DC 5V voltage reduction circuit, the DC 5V voltage reduction circuit is connected with the DC bus current detection circuit and the host computer serial optocoupler isolation communication interface respectively, and the host MCU is connected with the buzzer control circuit, the host computer serial optocoupler isolation communication interface, the heating wire thyristor control circuit, the AC voltage zero-crossing detection circuit and the DC bus voltage detection circuit respectively.

[0068] Further, the DC-DC BUCK conversion 15V circuit includes a voltage stabilizing diode D1, the positive electrode of the voltage stabilizing diode D1 is connected with the rectifier circuit 310V voltage output end, the negative electrode of the voltage stabilizing diode D1 is connected with the 5th end of the chip U2 and one end of the capacitor C12 respectively, the 7th end of the chip U2 is connected with one end of the resistor R5, the other end of the resistor R5 is connected with one end of the capacitor C1, the 8th end of the chip U2 and one end of the inductor L1 respectively, the other end of the capacitor C1 is connected with the 4th end of the chip U2, the 2nd end of the chip U2 is connected with the other end of the inductor L1, one end of the capacitor C6, one end of the capacitor C5, the negative electrode of the voltage stabilizing diode D4 and one end of the resistor R36 respectively, the other end of the resistor R36 is connected with the 3rd end of the chip U1, the 1st end of the chip U1 is connected with one end of the capacitor C2 and the 5V voltage output end respectively, the other end of the capacitor C2 is connected with the 2nd end of the chip U1, the positive electrode of the voltage stabilizing diode D4, the other end of the capacitor C5, the other end of the capacitor C6 and the other end of the capacitor C12 in sequence and then grounded.

[0069] The model of the chip U2 is U2LKS620, and the model of the chip U1 is U178L05.

[0070] Specifically, the circuit composed of U2 is a DC-DC BUCK voltage reduction circuit, which converts the high-voltage direct current after rectification into low-voltage direct current 15V, and the 15V voltage is used for the IPM bootstrap circuit and the buzzer circuit to work; U1 converts 15V into 5V through linear voltage reduction, and this voltage is used for the motor drive main control and some peripheral circuit to work.

[0071] Further, the DC-DC BUCK conversion 15V circuit includes a voltage stabilizing diode D1, the positive electrode of the voltage stabilizing diode D1 is connected with the rectifier circuit 310V voltage output end, the negative electrode of the voltage stabilizing diode D1 is connected with the 5th end of the chip U2 and one end of the capacitor C12 respectively, the 7th end of the chip U2 is connected with one end of the resistor R5, the other end of the resistor R5 is connected with one end of the capacitor C1, the 8th end of the chip U2 and one end of the inductor L1 respectively, the other end of the capacitor C1 is connected with the 4th end of the chip U2, the 2nd end of the chip U2 is connected with the other end of the inductor L1, one end of the capacitor C6, one end of the capacitor C5, the negative electrode of the voltage stabilizing diode D4 and one end of the resistor R36 respectively, the other end of the resistor R36 is connected with the 3rd end of the chip U1, the 1st end of the chip U1 is connected with one end of the capacitor C2 and the 5V voltage output end respectively, the other end of the capacitor C2 is connected with the 2nd end of the chip U1, the positive electrode of the voltage stabilizing diode D4, the other end of the capacitor C5, the other end of the capacitor C6 and the other end of the capacitor C12 in sequence and then grounded.

[0072] The model of the chip U2 is U2LKS620, and the model of the chip U1 is U178L05.

[0073] The other end of the resistor R24 is connected with one end of the resistor R49, the other end of the resistor R49 is connected with one end of the resistor R44, the 1st end of the chip U5, one end of the capacitor C3 and one end of the capacitor CE3 respectively, the other end of the capacitor C3 is grounded, the other end of the capacitor CE3 is grounded, the other end of the resistor R44 is connected with the negative electrode of the diode D6, the positive electrode of the diode D6 is connected with one end of the resistor R32, one end of the resistor R50 and the 6th end of the T1 respectively, the other end of the resistor R32 is connected with the other end of the resistor R50, one end of the resistor R31, the 2nd end of the chip U5 and the ground terminal respectively.

[0074] The model of the chip U5 is U5KP2130SGA;

[0075] The other end of the capacitor C40 is connected with the other end of the resistor R2 and the one end of the resistor R65 respectively, the other end of the resistor R65 is connected with the negative electrode of the diode D3, the positive electrode of the diode D3 is connected with the 5th end of the chip U5, the 6th end of the chip U5 and the 1st end of T1 respectively; the 7th end of T1 is grounded;

[0076] The 4th end of the chip U5 is connected with the one end of the resistor R31 and the one end of the resistor R46 respectively, the other end of the resistor R31 is connected with the other end of the resistor R46 and then grounded; the 7th end of the chip U5 is grounded;

[0077] The 4th end of T1 is connected with the one end of the resistor R1 and the positive electrode of the diode D2 respectively, the other end of the resistor R1 is connected with the one end of the capacitor C24, the other end of the capacitor C24 is connected with the negative electrode of the diode D2, the one end of the capacitor CE2, the one end of the resistor R25 and the DC5V voltage output end respectively; the other end of the capacitor CE2 is connected with the other end of the resistor R25 and the 5th end of T1 and then grounded.

[0078] Specifically, the isolated DC5V is generated by U5 AC-DC conversion, and the DC5V is used for the work of the host control board.

[0079] Further, the IPM EMC suppression circuit includes a capacitor C8, a capacitor C21 and a capacitor C22, one end of the capacitor C8 is connected with one end of the capacitor C21, one end of the capacitor C22 and the 310V voltage output end of the rectifier circuit respectively, the other end of the capacitor C8 is connected with one end of the capacitor C23, the other end of the capacitor C21 is connected with one end of the capacitor C32, the other end of the capacitor C22 is connected with one end of the capacitor C33, the other end of the capacitor C23 is connected with the other end of the capacitor C32, the other end of the capacitor C33 and one end of the capacitor Y3 respectively and then grounded, the other end of the capacitor Y3 is connected with the ground connection port PE2.

[0080] Further, the motor IPM drive circuit includes a chip EC2, the 2nd end of the chip EC2 is connected with one end of the capacitor C9, one end of the capacitor EC3 and the negative electrode of the voltage stabilizing diode ZD2 respectively, the other end of the capacitor C9 is connected with the other end of the capacitor EC3 and the positive electrode of the voltage stabilizing diode ZD2 respectively;

[0081] The No. 3 terminal of the chip EC2 is connected with one end of the capacitor C10, one end of the capacitor EC1 and the negative pole of the voltage stabilizing diode ZD4 respectively, the other end of the capacitor C10 is connected with the other end of the capacitor EC1 and the positive pole of the voltage stabilizing diode ZD4 respectively;

[0082] The No. 4 terminal of the chip EC2 is connected with one end of the capacitor C11, one end of the capacitor EC2 and the negative pole of the voltage stabilizing diode ZD3 respectively, the other end of the capacitor C11 is connected with the other end of the capacitor EC2 and the positive pole of the voltage stabilizing diode ZD3 respectively;

[0083] The No. 5 terminal of the chip EC2 is connected with one end of the capacitor C30 and one end of the resistor R4 respectively, the other end of the resistor R4 is connected with the No. 28 terminal of the chip U4,

[0084] The No. 6 terminal of the chip EC2 is connected with one end of the capacitor C27 and one end of the resistor R7 respectively, the other end of the resistor R7 is connected with the No. 25 terminal of the chip U4,

[0085] The No. 7 terminal of the chip EC2 is connected with one end of the capacitor C29 and one end of the resistor R10 respectively, the other end of the resistor R10 is connected with the No. 30 terminal of the chip U4,

[0086] The other end of the capacitor C30 is connected with the other end of the capacitor C27 and the other end of the capacitor C29 respectively and then grounded;

[0087] The No. 8 terminal of the chip EC2 is connected with the No. 13 terminal of the chip EC2, the positive pole of the voltage stabilizing diode ZD5, one end of the capacitor C13, one end of the capacitor EC4 and the 15V voltage terminal respectively, the No. 9 terminal of the chip EC2 is connected with the No. 16 terminal of the chip EC2, the negative pole of the voltage stabilizing diode ZD5, the other end of the capacitor C13 and the other end of the capacitor EC4 respectively and then grounded;

[0088] The No. 10 terminal of the chip EC2 is connected with one end of the capacitor C25 and one end of the resistor R13 respectively, the other end of the resistor R13 is connected with the No. 29 terminal of the chip U4,

[0089] The No. 11 terminal of the chip EC2 is connected with one end of the capacitor C26 and one end of the resistor R15 respectively, the other end of the resistor R15 is connected with the No. 26 terminal of the chip U4,

[0090] The No. 12 terminal of the chip EC2 is connected with one end of the capacitor C28 and one end of the resistor R17 respectively, the other end of the resistor R17 is connected with the No. 27 terminal of the chip U4,

[0091] The other end of the capacitor C25 is connected with the other end of the capacitor C26 and the other end of the capacitor C28 respectively and then grounded;

[0092] The 14th end of the chip EC2 is connected with one end of the resistor R19 and one end of the capacitor C19, the other end of the resistor R19 is connected with the 15V voltage end, the 17th end of the chip EC2 is connected with one end of the resistor R20 and one end of the capacitor C20, the other end of the resistor R20 is connected with the other end of the capacitor C20 and the other end of the capacitor C19 and then grounded;

[0093] The 15th end of the chip EC2 is connected with one end of the resistor R21 and one end of the capacitor C18, the other end of the resistor R21 is connected with one end of the resistor RS1, one end of the resistor RS2, one end of the resistor RS3 and the 18th end of the chip EC2, the other end of the resistor RS2 is connected with the 19th end of the chip EC2, the other end of the resistor RS1 is connected with the 20th end of the chip EC2, the other end of the resistor RS3 is connected with the other end of the capacitor C18 and then grounded;

[0094] The 21st end of the chip EC2 is connected with the 5th end of the CON1, the 22nd end of the chip EC2 is connected with the 3rd end of the CON1, the 23rd end of the chip EC2 is connected with the 1st end of the CON1, and the 24th end of the chip EC2 is connected with the 310V voltage output end.

[0095] Specifically, the power inverter circuit for driving the BLDC operation, the EC2 integrates the IPM module of the pre-driver, the main control U4 reconstructs the state of the motor by detecting the voltage of RS1 and RS2 through the operational amplifier, realizes the non-inductive FOC control of the BLDC, realizes the overvoltage and undervoltage protection of the motor by detecting the bus voltage, and realizes the overcurrent protection of the motor by detecting the bus current.

[0096] Further, the relay switching circuit comprises a resistor R37, one end of the resistor R37 is connected with the 15V voltage end, the other end of the resistor R37 is connected with the 5th end of the D7 and the negative electrode of the diode KLB, the 1st end of the D7 is connected with the positive and negative electrodes of the diode KLB and the collector of the triode Q7, the base of the triode Q7 is connected with one end of the resistor R39 and one end of the resistor R66, the other end of the resistor R39 is connected with the 9th end of the chip U4, the other end of the resistor R66 is connected with the emitter of the triode Q7 and then grounded;

[0097] The model of the D7 is F7.

[0098] The DC bus voltage detection circuit includes a resistor R3, one end of the resistor R3 is connected with the rectifier circuit 310V voltage output end, the other end of the resistor R3 is connected with one end of the resistor R8, the other end of the resistor R8 is respectively connected with one end of the resistor R11 and one end of the resistor R12, the other end of the resistor R11 is respectively connected with the 10th end of the chip U4 and one end of the capacitor C16, the other end of the resistor R12 is connected with one end of the capacitor C16 and then grounded.

[0099] Further, the AC input EMC filter circuit includes a fuse F1, one end of the fuse F1 is connected with the ACL input end, the other end of the fuse F1 is respectively connected with one end of the voltage-dependent resistor TZR1, one end of the safety capacitor CX101, one end of the resistor R47, the H+ input end of the heating wire thyristor control circuit and the same 1 end of the common mode inductor LX1, the other end of the resistor R47 is connected with one end of the resistor R48, the other end of the voltage-dependent resistor TZR1 is respectively connected with the ACN input end, the other end of the safety capacitor CX101, the other end of the resistor R48 and the same 2 end of the common mode inductor LX1;

[0100] The different 1 end of the common mode inductor LX1 is respectively connected with one end of the capacitor Y1, the 2nd end of the switch K1A and one end of the NTC101, the other end of the NTC101 is connected with the 3rd end of the chip D5, the different 2 end of the common mode inductor LX1 is respectively connected with one end of the capacitor Y2 and the 2nd end of the chip D5,

[0101] The other end of the capacitor Y1 and the other end of the capacitor Y2 are grounded and then connected with the PE end;

[0102] The rectifier circuit includes a chip D5, the 1st end of the chip D5 is respectively connected with one end of the capacitor C4, one end of the capacitor C7, one end of the capacitor Csnup1 and the 310V voltage output end;

[0103] The 4th end of the chip D5 is respectively connected with the other end of the capacitor C4, the other end of the capacitor C7, the other end of the capacitor Csnup1 and the ground end.

[0104] Specifically, the AC input rectifier circuit rectifies the AC voltage into DC voltage through the bridge stack BD1 and the electrolytic capacitor C4, C7, and the input AC voltage is compatible with 100-240V;

[0105] F1 is a fuse, which triggers when the circuit current is too large to protect the circuit; TZR1 is a voltage-dependent resistor, which prevents lightning and surge impact, suppresses transient peak voltage, and protects the back-end circuit; NTC1 is a negative temperature coefficient resistor, which prevents the surge current caused by the surge voltage generated during startup from being too large to burn out the fuse; CX101 is a safety capacitor, which filters differential mode interference; LX1 is a common mode inductor, which can attenuate common mode current; Y1 and Y2 are Y capacitors, which suppress common mode interference.

[0106] Further, the heating wire thyristor control circuit includes a bidirectional thyristor Q2, a No. 1 end of the bidirectional thyristor Q2 is connected with an ACN input end, a No. 2 end of the bidirectional thyristor Q2 is respectively connected with one end of a heating wire R35 and an H-input end of an AC input EMC filter circuit, a No. 3 end of the bidirectional thyristor Q2 is connected with a No. 3 end of a bidirectional optical coupler U8, a No. 4 end of the bidirectional optical coupler U8 is connected with one end of a heating wire R34, the other end of the heating wire R34 is connected with the other end of the heating wire R35, a No. 1 end of the bidirectional optical coupler U8 is respectively connected with one end of a heating wire R51 and a 5V voltage end, a No. 4 end of the bidirectional optical coupler U8 is respectively connected with the other end of the heating wire R51 and one end of a heating wire R52, the other end of the heating wire R52 is connected with a No. 14 end of a chip U4.

[0107] Specifically, Q2 is a bidirectional thyristor, U8 is an optical coupler for driving the thyristor, after the main control U4 receives the signal from the upper computer, the signal output by the zero-crossing detection circuit is combined to output a driving signal to U8, to control the conduction of Q2, and the on-time of the control cycle is controlled to realize constant temperature control.

[0108] The AC voltage zero-crossing detection circuit includes a heating wire R43, one end of the heating wire R43 is connected with an ACN input end, the other end of the heating wire R43 is connected with one end of a heating wire R45, the other end of the heating wire R45 is connected with a No. 1 end of a bidirectional optical coupler U9, a No. 2 end of the bidirectional optical coupler U9 is connected with an ACL input end, a No. 3 end of the bidirectional optical coupler U9 is respectively connected with one end of a heating wire R27, one end of a heating capacitor C31 and a No. 22 end of a chip U4, the other end of the heating wire R27 is connected with a 5V voltage end.

[0109] Specifically, U9 is a bidirectional optical coupler, when the input AC voltage crosses zero, U9 outputs a high-low digital signal.

[0110] Further, the DC bus current detection circuit includes a resistor R53, one end of the resistor R53 is connected with the 5V voltage terminal, the other end of the resistor R53 is connected with one end of the capacitor C15, one end of the resistor R54, one end of the resistor R6 and the OCP is 7th end of the chip U4 respectively, the other end of the capacitor C15 is connected with the other end of the resistor R54 and then grounded, the other end of the resistor R6 is connected with the I_shunt terminal.

[0111] Further, the upper computer serial optocoupler communication isolation circuit includes an interface JP1, the 4th end of the interface JP1 is connected with the 16th end of the chip U4 and the 2nd end of the optocoupler U6 respectively, the 1st end of the optocoupler U6 is connected with the 5V voltage terminal after being connected with the resistor R30 in series, the 4th end of the optocoupler U6 is connected with one end of the resistor R29 and the 4th end of the serial communication interface CON201 respectively, the other end of the resistor R29 is connected with the DC5V voltage terminal, the 3rd end of the optocoupler U6 is grounded;

[0112] The 3rd end of the interface JP1 is connected with the 17th end of the chip U4, one end of the resistor R38 and the 4th end of the optocoupler U6 respectively, the other end of the resistor R38 is connected with the 1st end of the interface JP1 and the 5V voltage terminal respectively, the 1st end of the interface JP1 and the 3rd end of the optocoupler U6 are connected and then grounded, the 1st end of the optocoupler U6 is connected with the DC5V voltage terminal after being connected with the resistor R40 in series, the 2nd end of the optocoupler U6 is connected with the 3rd end of the serial communication interface CON201;

[0113] The 1st end of the serial communication interface CON201 is connected with the DC5V voltage terminal.

[0114] Further, the upper computer control circuit mainly includes a touch or button control circuit, a COM1 which is a serial communication interface, a COM2 which is a switch, a feedback and temperature detection interface; the main control U4 realizes specific functions by detecting the voltage change of the corresponding ports of KEY1-KEY11.

[0115] Further, the display screen dot matrix diagram has 5 groups of 8-segment LED which are used to display temperature and working time left.

[0116] Further, the function display circuit of the machine control board, when the corresponding function is selected, the corresponding LED is lighted.

Claims

1. A high voltage high speed motor drive and control circuit, characterized by, The circuit comprises a master MCU, a DC-DC BUCK 15V circuit, a DC 5V voltage reduction circuit, an IPM EMC suppression circuit, a motor IPM drive circuit, a DC rectifier circuit, a DC bus voltage detection circuit, a relay switching circuit, an AC input EMC filter circuit, a heating wire thyristor control circuit, an AC voltage zero-crossing detection circuit, a DC bus current detection circuit, a current operational amplifier detection circuit, a buzzer control circuit and a host computer serial optocoupler isolation communication interface. The AC input EMC filter circuit is connected with the relay switching circuit and the DC rectifier circuit in sequence, and the DC rectifier circuit is connected with the DC-DC BUCK 15V circuit, the DC bus voltage detection circuit, the heating wire thyristor control circuit, the AC voltage zero-crossing detection circuit, the motor IPM drive circuit and the IPM EMC suppression circuit. The IPM EMC suppression circuit is connected with the motor IPM drive circuit, and the motor IPM drive circuit is connected with the current operational amplifier detection circuit, the DC bus current detection circuit and the master MCU, the DC-DC BUCK 15V circuit is connected with the DC 5V voltage reduction circuit, the DC 5V voltage reduction circuit is connected with the DC bus current detection circuit and the host computer serial optocoupler isolation communication interface, and the master MCU is connected with the buzzer control circuit, the host computer serial optocoupler isolation communication interface, the heating wire thyristor control circuit, the AC voltage zero-crossing detection circuit and the DC bus voltage detection circuit.

2. A high voltage high speed motor drive and control circuit according to claim 1 wherein, The DC-DC BUCK 15V circuit comprises a voltage stabilizing diode D1, the positive electrode of the voltage stabilizing diode D1 is connected with a 310V voltage output end of a rectifier circuit, the negative electrode of the voltage stabilizing diode D1 is connected with a 5th terminal of a chip U2 and one end of a capacitor C12, one end of a resistor R5 is connected with a 7th terminal of the chip U2, the other end of the resistor R5 is connected with one end of a capacitor C1, an 8th terminal of the chip U2 and one end of an inductor L1, the other end of the capacitor C1 is connected with a 4th terminal of the chip U2, a 2nd terminal of the chip U2 is connected with the other end of the inductor L1, one end of a capacitor C6, one end of a capacitor C5, the negative electrode of a voltage stabilizing diode D4 and one end of a resistor R36, the other end of the resistor R36 is connected with a 3rd terminal of a chip U1, a 1st terminal of the chip U1 is connected with one end of a capacitor C2 and a 5V voltage output end, the other end of the capacitor C2 is connected with a 2nd terminal of the chip U1, the positive electrode of the voltage stabilizing diode D4, the other end of the capacitor C5, the other end of the capacitor C6 and the other end of the capacitor C12 and then grounded.

3. The drive and control circuit for high voltage high speed electric motor according to claim 1, characterized in that, The DC 5V voltage reduction circuit comprises an inductor L2, one end of the inductor L2 is connected with the 310V voltage output end of the rectifier circuit, and the other end of the inductor L2 is connected with one end of a capacitor CE1, one end of a resistor R24, one end of a capacitor C40, one end of a resistor R2 and a 1st terminal of a T1, and the other end of the capacitor CE1 is grounded. The other end of the resistance R24 is connected with one end of the resistance R49, the other end of the resistance R49 is respectively connected with one end of the resistance R44, 1# end of the chip U5, one end of the capacitor C3 and one end of the capacitor CE3, the other end of the capacitor C3 is grounded, the other end of the capacitor CE3 is grounded, the other end of the resistance R44 is connected with the negative electrode of the diode D6, the positive electrode of the diode D6 is respectively connected with one end of the resistance R32, one end of the resistance R50 and 6# end of T1, the other end of the resistance R32 is respectively connected with the other end of the resistance R50, one end of the resistance R31, 2# end of the chip U5 and the ground end, The other end of the capacitor C40 is respectively connected with the other end of the resistance R2 and one end of the resistance R65, the other end of the resistance R65 is connected with the negative electrode of the diode D3, the positive electrode of the diode D3 is respectively connected with 5# end of the chip U5, 6# end of the chip U5 and 1# end of T1; 7# end of T1 is grounded; 4# end of the chip U5 is respectively connected with one end of the resistance R31 and one end of the resistance R46, the other end of the resistance R31 is connected with the other end of the resistance R46 and then grounded; 7# end of the chip U5 is grounded; 4# end of T1 is respectively connected with one end of the resistance R1 and the positive electrode of the diode D2, the other end of the resistance R1 is connected with one end of the capacitor C24, the other end of the capacitor C24 is respectively connected with the negative electrode of the diode D2, one end of the capacitor CE2, one end of the resistance R25 and the DC5V voltage output end; the other end of the capacitor CE2 is connected with the other end of the resistance R25 and 5# end of T1 and then grounded.

4. The drive and control circuit for high voltage high speed electric motor according to claim 1, characterized in that, The IPM EMC suppression circuit includes the capacitor C8, the capacitor C21 and the capacitor C22, one end of the capacitor C8 is respectively connected with one end of the capacitor C21, one end of the capacitor C22 and the rectifier circuit 310V voltage output end, the other end of the capacitor C8 is connected with one end of the capacitor C23, the other end of the capacitor C21 is connected with one end of the capacitor C32, the other end of the capacitor C22 is connected with one end of the capacitor C33, the other end of the capacitor C23 is respectively connected with the other end of the capacitor C32, the other end of the capacitor C33 and one end of the capacitor Y3 and then grounded, the other end of the capacitor Y3 is connected with the ground connection port PE2.

5. The drive and control circuit for high voltage high speed electric motor according to claim 1, characterized in that, The motor IPM drive circuit includes the chip EC2, 2# end of the chip EC2 is respectively connected with one end of the capacitor C9, one end of the capacitor EC3 and the negative electrode of the voltage stabilizing diode ZD2, the other end of the capacitor C9 is respectively connected with the other end of the capacitor EC3 and the positive electrode of the voltage stabilizing diode ZD2; 3# end of the chip EC2 is respectively connected with one end of the capacitor C10, one end of the capacitor EC1 and the negative electrode of the voltage stabilizing diode ZD4, the other end of the capacitor C10 is respectively connected with the other end of the capacitor EC1 and the positive electrode of the voltage stabilizing diode ZD4; 4# end of the chip U5 is respectively connected with one end of the resistance R31 and one end of the resistance R46, the other end of the resistance R31 is connected with the other end of the resistance R46 and then grounded; 7# end of the chip U5 is grounded; The No. 4 terminal of the chip EC2 is connected with one end of the capacitor C11, one end of the capacitor EC2 and the negative pole of the voltage stabilizing diode ZD3 respectively, the other end of the capacitor C11 is connected with the other end of the capacitor EC2 and the positive pole of the voltage stabilizing diode ZD3 respectively; The No. 5 terminal of the chip EC2 is connected with one end of the capacitor C30 and one end of the resistor R4 respectively, the other end of the resistor R4 is connected with the No. 28 terminal of the chip U4, The No. 6 terminal of the chip EC2 is connected with one end of the capacitor C27 and one end of the resistor R7 respectively, the other end of the resistor R7 is connected with the No. 25 terminal of the chip U4, The No. 7 terminal of the chip EC2 is connected with one end of the capacitor C29 and one end of the resistor R10 respectively, the other end of the resistor R10 is connected with the No. 30 terminal of the chip U4, The other end of the capacitor C30 is connected with the other end of the capacitor C27 and the other end of the capacitor C29 respectively and then grounded; The No. 8 terminal of the chip EC2 is connected with the No. 13 terminal of the chip EC2, the positive pole of the voltage stabilizing diode ZD5, one end of the capacitor C13, one end of the capacitor EC4 and the 15V voltage terminal respectively, the No. 9 terminal of the chip EC2 is connected with the No. 16 terminal of the chip EC2, the negative pole of the voltage stabilizing diode ZD5, the other end of the capacitor C13 and the other end of the capacitor EC4 respectively and then grounded; The No. 10 terminal of the chip EC2 is connected with one end of the capacitor C25 and one end of the resistor R13 respectively, the other end of the resistor R13 is connected with the No. 29 terminal of the chip U4, The No. 11 terminal of the chip EC2 is connected with one end of the capacitor C26 and one end of the resistor R15 respectively, the other end of the resistor R15 is connected with the No. 26 terminal of the chip U4, The No. 12 terminal of the chip EC2 is connected with one end of the capacitor C28 and one end of the resistor R17 respectively, the other end of the resistor R17 is connected with the No. 27 terminal of the chip U4, The other end of the capacitor C25 is connected with the other end of the capacitor C26 and the other end of the capacitor C28 respectively and then grounded; The No. 14 terminal of the chip EC2 is connected with one end of the resistor R19 and one end of the capacitor C19 respectively, the other end of the resistor R19 is connected with the 15V voltage terminal, the No. 17 terminal of the chip EC2 is connected with one end of the resistor R20 and one end of the capacitor C20 respectively, the other end of the resistor R20 is connected with the other end of the capacitor C20 and the other end of the capacitor C19 respectively and then grounded; The No. 15 terminal of the chip EC2 is connected with one end of the resistor R21 and one end of the capacitor C18 respectively, the other end of the resistor R21 is connected with one end of the resistor RS1, one end of the resistor RS2, one end of the resistor RS3 and the No. 18 terminal of the chip EC2 respectively, the other end of the resistor RS2 is connected with the No. 19 terminal of the chip EC2, the other end of the resistor RS1 is connected with the No. 20 terminal of the chip EC2, the other end of the resistor RS3 is connected with the other end of the capacitor C18 and then grounded; The 21st end of the chip EC2 is connected with the 5th end of CON1, the 22nd end of the chip EC2 is connected with the 3rd end of CON1, the 23rd end of the chip EC2 is connected with the 1st end of CON1, and the 24th end of the chip EC2 is connected with the 310V voltage output end.

6. A high voltage high speed motor drive and control circuit according to claim 1 wherein, The relay switch circuit comprises a resistor R37, one end of the resistor R37 is connected with the 15V voltage end, the other end of the resistor R37 is connected with the 5th end of D7 and the negative electrode of diode KLB respectively, the 1st end of D7 is connected with the positive and negative electrodes of diode KLB and the collector of triode Q7 respectively, the base of triode Q7 is connected with one end of resistor R39 and one end of resistor R66 respectively, the other end of resistor R39 is connected with the 9th end of chip U4, the other end of resistor R66 is connected with the emitter of triode Q7 and then grounded. The DC bus voltage detection circuit comprises a resistor R3, one end of the resistor R3 is connected with the 310V voltage output end of the rectifier circuit, the other end of the resistor R3 is connected with one end of resistor R8, the other end of resistor R8 is connected with one end of resistor R11 and one end of resistor R12 respectively, the other end of resistor R11 is connected with the 10th end of chip U4 and one end of capacitor C16 respectively, the other end of resistor R12 is connected with one end of capacitor C16 and then grounded.

7. The drive and control circuit for high voltage high speed electric motor as claimed in claim 1 wherein, The AC input EMC filter circuit comprises a fuse F1, one end of the fuse F1 is connected with the ACL input end, the other end of the fuse F1 is connected with one end of pressure resistor TZR1, one end of safety capacitor CX101, one end of resistor R47, the H+ input end of heating wire thyristor control circuit and the same 1 end of common mode inductor LX1 respectively, the other end of resistor R47 is connected with one end of resistor R48, the other end of pressure resistor TZR1 is connected with the ACN input end, the other end of safety capacitor CX101, the other end of resistor R48 and the same 2 end of common mode inductor LX1 respectively. The different 1 end of common mode inductor LX1 is connected with one end of capacitor Y1, the 2nd end of switch K1A and one end of NTC101 respectively, the other end of NTC101 is connected with the 3rd end of chip D5, the different 2 end of common mode inductor LX1 is connected with one end of capacitor Y2 and the 2nd end of chip D5 respectively, The other end of capacitor Y1 and the other end of capacitor Y2 are grounded and then connected with PE end. The rectifier circuit comprises chip D5, the 1st end of chip D5 is connected with one end of capacitor C4, one end of capacitor C7, one end of capacitor Csnup1 and the 310V voltage output end respectively. The 4th end of chip D5 is connected with the other end of capacitor C4, the other end of capacitor C7, the other end of capacitor Csnup1 and the ground end respectively.

8. The drive and control circuit for high voltage high speed electric motor according to claim 1, characterized in that, The heating wire controllable silicon control circuit includes a bidirectional thyristor Q2, the No. 1 end of the bidirectional thyristor Q2 is connected with the ACN input end, the No. 2 end of the bidirectional thyristor Q2 is connected with one end of the heating wire R35 and the H-input end of the AC input EMC filter circuit respectively, the No. 3 end of the bidirectional thyristor Q2 is connected with the No. 3 end of the bidirectional optical coupling U8, the No. 4 end of the bidirectional optical coupling U8 is connected with one end of the heating wire R34, the other end of the heating wire R34 is connected with the other end of the heating wire R35, the No. 1 end of the bidirectional optical coupling U8 is connected with one end of the heating wire R51 and the 5V voltage end respectively, the No. 2 end of the bidirectional optical coupling U8 is connected with the other end of the heating wire R51 and one end of the heating wire R52 respectively, the other end of the heating wire R52 is connected with the No. 14 end of the chip U4; The AC voltage zero-crossing detection circuit includes a heating wire R43, one end of the heating wire R43 is connected with the ACN input end, the other end of the heating wire R43 is connected with one end of the heating wire R45, the other end of the heating wire R45 is connected with the No. 1 end of the bidirectional optical coupling U9, the No. 2 end of the bidirectional optical coupling U9 is connected with the ACL input end, the No. 3 end of the bidirectional optical coupling U9 is connected with one end of the heating wire R27, one end of the heating capacitor C31 and the No. 22 end of the chip U4 respectively, the other end of the heating wire R27 is connected with the 5V voltage end.

9. The drive and control circuit for high voltage high speed electric motor according to claim 1, characterized in that, The DC bus current detection circuit includes a resistance R53, one end of the resistance R53 is connected with the 5V voltage end, the other end of the resistance R53 is connected with one end of the capacitor C15, one end of the resistance R54, one end of the resistance R6 and the No. 7 end of the OCP of the chip U4 respectively, the other end of the capacitor C15 is connected with the other end of the resistance R54 and then grounded, the other end of the resistance R6 is connected with the I_shunt end.

10. The drive and control circuit for a high voltage high speed electric motor according to claim 1, wherein, The upper computer serial optical coupling communication isolation circuit includes an interface JP1, the No. 4 end of the interface JP1 is connected with the No. 16 end of the chip U4 and the No. 2 end of the optical coupling U6 respectively, the No. 1 end of the optical coupling U6 is connected with the 5V voltage end after being connected with the resistance R30 in series, the No. 4 end of the optical coupling U6 is connected with one end of the resistance R29 and the No. 4 end of the serial communication interface CON201 respectively, the other end of the resistance R29 is connected with the DC 5V voltage end, the No. 3 end of the optical coupling U6 is grounded; The No. 3 end of the interface JP1 is connected with the No. 17 end of the chip U4, one end of the resistance R38 and the No. 4 end of the optical coupling U6 respectively, the other end of the resistance R38 is connected with the No. 1 end of the interface JP1 and the 5V voltage end respectively, the No. 1 end of the interface JP1 and the No. 3 end of the optical coupling U6 are connected and then grounded, the No. 1 end of the optical coupling U6 is connected with the DC 5V voltage end after being connected with the resistance R40 in series, the No. 2 end of the optical coupling U6 is connected with the No. 3 end of the serial communication interface CON201; The No. 1 end of the serial communication interface CON201 is connected with the DC 5V voltage end.

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