CN106208841A - A kind of sinusoidal control device without DC brushless motor suddenly - Google Patents
A kind of sinusoidal control device without DC brushless motor suddenly Download PDFInfo
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- CN106208841A CN106208841A CN201610782482.XA CN201610782482A CN106208841A CN 106208841 A CN106208841 A CN 106208841A CN 201610782482 A CN201610782482 A CN 201610782482A CN 106208841 A CN106208841 A CN 106208841A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
- H02P6/18—Circuit arrangements for detecting position without separate position detecting elements
- H02P6/182—Circuit arrangements for detecting position without separate position detecting elements using back-emf in windings
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Abstract
The present invention proposes a kind of sinusoidal control device without DC brushless motor suddenly, the three-phase resistance of described DC brushless motor is connected with 32 MCU by H-bridge circuit, described H-bridge circuit uses 6 MOFET pipe Q1 Q6, wherein Q1 and Q2 is two switching tubes of A phase upper and lower bridge arm, Q3 and Q4 is two switching tubes of B phase upper and lower bridge arm, Q5 and Q6 is two switching tubes of C phase upper and lower bridge arm, MCU unit regulates the pulse width of PWM in real time, and the afterflow voltage produced reaction electromotive force by multiple sampling windows is acquired, calculate the zero crossing of three-phase current phase place, thus control motor without sensor and can start efficiently and run.
Description
Technical field
The present invention relates to Control Technology for Brushless DC Electromotor field, be specifically related to a kind of sinusoidal nothing DC brushless motor suddenly
Control device.
Background technology
Brushless direct current motor (BLDC) is recently as microprocessor technology, novel power transistor, Novel control
A kind of New Type of Direct-current Machine making theoretical development and rise.Owing to a when which overcoming the commutation of Traditional DC motor brush is
Row problem, and have that volume is little, lightweight, simple in construction, easy to maintenance, reliable, energy-efficient, easily controllable etc. one
Number of advantages, is widely used to the fields such as business automation equipment computer peripheral instrument and meter and household electrical appliance.
The control program of the brushless direct current motor of prior art mainly use square wave have suddenly with sinusoidal without two kinds of control suddenly
Method.Square wave has control program suddenly can produce the biggest noise when electric machine rotation, and converts electrical energy into the efficiency of kinetic energy
Relatively low.Additionally needing and install Hall element (position sensor) at motor internal, the high temperature that motor internal produces can make Hall (position
Put sensor) damage, reduce service life shorter.Sinusoidal nothing (FOC control) method suddenly is capable of reducing noise and improving efficiency,
But can failure, mainly this algorithm can not well judge when zero velocity starts to turn when heavy duty zero velocity starts
Sub-accurate location.And the control to vector also needs the position forwarding to rotor fix normally to start when starting.
Summary of the invention
For solving the above-mentioned problems in the prior art, it is an object of the invention to provide a kind of sinusoidal without brush DC suddenly
The control device of motor, it is not necessary to sensor, uses the method for zero passage detection to drive motor.
In order to achieve the above object, the control device that a kind of sinusoidal nothing DC brushless motor suddenly is provided of the present invention, described
The three-phase resistance of DC brushless motor is connected with 32 MCU by H-bridge circuit, and described H-bridge circuit uses 6 MOFET pipe Q1-
Q6, wherein Q1 and Q2 be two switching tubes of A phase upper and lower bridge arm, Q3 and Q4 be two switching tubes of B phase upper and lower bridge arm, Q5 and Q6
Two switching tubes for C phase upper and lower bridge arm；
Wherein, a road of A phase winding W connects the source electrode of MOFET pipe Q1 and is connected with one end of resistance R3, described MOFET
The grid of pipe Q1 is connected with the HS3 interface of MCU after connecting with resistance R5, and the other end of described resistance R3 is connected with resistance R5
Connect, with resistance W while that described resistance R5 being in parallel with MOFET pipe after being parallel with diode D1, described resistance R2 and electric capacity C1 series connection
It is connected with the source electrode of MOFET pipe Q2；Another road of described A phase winding W connect MOFET pipe Q2 source electrode and with the one of resistance R4
End connects, and the grid of described MOFET pipe Q2 is connected with the LS3 interface of MCU after connecting with resistance R6, and described resistance R4's is another
One end is connected with resistance R5, and described resistance R6 manages with MOFET after being parallel with diode D2, described resistance R1 and electric capacity C2 series connection
It is connected with the drain electrode of resistance W and MOFET pipe Q2 while in parallel；
One tunnel of B phase winding V connects the source electrode of MOFET pipe Q3 and is connected with one end of resistance R17, described MOFET pipe Q3
Grid and resistance R25 connect after be connected with the HS2 interface of MCU, the other end of described resistance R17 is connected with resistance R25
Connect, with electricity while that described resistance R25 being in parallel with MOFET pipe after being parallel with diode D7, described resistance R14 and electric capacity C10 series connection
Resistance V on-off circuit is connected with the source electrode of MOFET pipe Q3；Another road of described B phase winding V connects the source electrode of MOFET pipe Q4 also
Being connected with one end of resistance R18, the grid of described MOFET pipe Q4 is connected with the LS2 interface of MCU after connecting with resistance R26,
The other end of described resistance R18 is connected with resistance R26, and described resistance R26 is parallel with diode D8, described resistance R13 and electricity
It is connected with the drain electrode of resistance V on-off circuit and MOFET pipe Q4 with MOFET pipe parallel connection after holding C11 series connection simultaneously；
One tunnel of C phase winding U connects the source electrode of MOFET pipe Q5 and is connected with one end of resistance R43, described MOFET pipe Q5
Grid and resistance R45 connect after be connected with the HS1 interface of MCU, the other end of described resistance R43 is connected with resistance 45
Connect, with electricity while that described resistance R45 being in parallel with MOFET pipe after being parallel with diode D10, described resistance R42 and electric capacity C15 series connection
The source electrode of resistance U with MOFET pipe Q5 is connected；Another road of described C phase winding U connect MOFET pipe Q6 source electrode and with resistance R44
One end connect, be connected with the LS1 interface of MCU after the grid of described MOFET pipe Q6 and resistance R46 series connection, described resistance
The other end of R44 is connected with resistance R46, and described resistance R46 is parallel with diode D11, described resistance R41 and electric capacity C16 string
It is connected with the drain electrode of resistance U and MOFET pipe Q6 with MOFET pipe parallel connection after connection simultaneously；
Winding W on-off circuit, winding V and winding U on-off circuit have been simultaneously connected with resistance R19 and resistance R15, described resistance
The other end series connection of R19 is connected with the IP interface of MCU and the VCC power interface of resistance R27 and MCU respectively, and resistance R15's is another
One end one tunnel ground connection, a road is connected with resistance R20, and resistance R20 connects with the IM interface of MCU and the IO of resistance R28 and MCU respectively
Mouth connects, and another road of resistance R15 is in parallel with resistance R19 after connecting with resistance R16.
Further, No. 1 pin PB6 with the TX output of described MCU is connected, and No. 2 pin PB7 with RX outputs are connected, and No. 3 are drawn
Foot PC0 with PC0 output is connected, and No. 4 pin PC1 with PC1 outputs are connected, and No. 5 pin PC2 are connected with test output TP2, and No. 6 are drawn
Foot PC3 measures the counter electromotive force of winding U, No. 7 pin VPP ground connection, and No. 8 pin PC4 measure the counter electromotive force of winding V, No. 9 pins
PC6 measures the counter electromotive force of winding W, and No. 10 pin PC6 are connected with test output TP3, and No. 11 pin PC7 are not connected with, and No. 12 are drawn
Foot TMODE mono-tunnel and TMODE output is connected, another road be connected with resistance R24 after ground connection.
Further, a road and resistance R37 and power supply after No. 13 pin NRST with the NRST outputs of described MCU are connected
VCC interface connects, and another road is connected with No. 19 pin VIN after being connected with resistance R38, No. 14 pin VDCC connection electric capacity C13 it
Ground connection together with No. 15 pin VSS afterwards, No. 16 pin VDDIO mono-tunnels are connected with No. 17 pin VSEL after being connected with resistance R30,
One tunnel be connected with light emitting diode D9 after ground connection, a road and power supply VCC interface connects, and No. 19 pin VIN are connected with resistance R39,
After No. 20 pin BUS mono-tunnels are connected with electric capacity C17, ground connection together with resistance R39, a road exports with LIN after connecting resistance R40
Connecting, No. 22 pin VBATS are connected with No. 24 pin S after connecting resistance R22 and resistance R31, No. 23 pin PGND2 ground connection,
No. 24 another roads of pin S be connected with electric capacity C12 after ground connection.
Further, No. 25 pin D3 of described MCU connect the negative pole of diode D6, and No. 26 pin CH3 Yu HS3 are even
Connect, No. 27 pin M3 mono-tunnels be connected with electric capacity C9 after connect diode D6 negative pole, another road be connected with resistance R21 after with No. 9
Pin PC6 connects, and resistance R21 connects ground connection after resistance R34, and No. 28 pin CL3 with LS3 are connected, and No. 29 pin D2 connect two poles
The negative pole of pipe D5, No. 30 pin CH2 with HS2 are connected, No. 31 pin M2, and a road connects the negative of diode D5 with electric capacity C8 after being connected
Pole, another road is connected with No. 8 pin PC4 after being connected with resistance R22, and resistance R22 connects ground connection after resistance R35, No. 32 pins with
LS2 connects, and No. 33 pin D1 connect the negative pole of diode D4, and No. 34 pin CH1 with HS1 are connected, No. 35 pin M1 mono-tunnels and electricity
Holding the negative pole connecting diode D5 after C7 connects, another road is connected with No. 6 pin PC3 after being connected with resistance R23, and resistance R23 is even
Ground connection after connecting resistance R36, No. 36 pin CL1 with LS1 are connected.
Further, ground connection after No. 37 pin T connection resistance R12 of described MCU, No. 38 pin PGND1 ground connection, No. 39
Pin one road connecting test output TP1, a road connects ground connection after electric capacity C5, and another road connects resistance R7, resistance R7 mono-tunnel and connects
Resistance R10, resistance R10 anode with anode, the anode of diode D5 and the diode D6 of diode D4 respectively is connected, resistance R7
Another road connect resistance R8, ground connection after resistance R8 connecting luminous diode D3, No. 40 pin VBAT connect power-supplying circuits
VSUP, No. 41 pin VDDR connect ground connection after electric capacity C6, and No. 42 pin VCCP connect ground connection after electric capacity C4, and No. 43 pin VCC are even
Connecing VCC power supply, No. 44 pin IP are connected with H-bridge circuit IP interface, and No. 45 pin IM are connected with H-bridge circuit IM interface, and No. 46 are drawn
Foot IO is connected with H-bridge circuit I/O interface, No. 47 pin GND ground connection, and No. 48 pin P85 are connected with H-bridge circuit I/O interface, No. 49
Interface EP ground connection.
Further, switch input circuit CON2, switch input circuit CON3 and switch input circuit are also included
No. 1 wire jumper interface of CON6, described switch input circuit CON2 is connected with the BUS pin of MCU by LIN interface, No. 2 of CON2
Wire jumper mouth ground connection, described switch input circuit CON3 No. 1 wire jumper mouth be connected with the PB6 pin of MCU by TX interface, No. 2
Wire jumper mouth is connected with the PB7 pin of MCU by RX interface, No. 3 wire jumper mouth ground connection, No. 1 jumping of described switch input circuit CON6
Line mouth is connected with VCC power interface, and No. 2 wire jumper mouths are connected with the NRST pin of MCU, No. 3 wire jumper mouths and the TMODE pin of MCU
Connecting, No. 4 wire jumper mouths are connected with the PC0 pin of MCU, and No. 5 wire jumper mouths are connected with the PC1 pin of MCU, No. 6 wire jumper mouth ground connection.
Further, MCU unit regulates the pulse width of PWM in real time, and by multiple sampling windows to reaction electromotive force
The afterflow voltage produced is acquired, and calculates the zero crossing of three-phase current phase place, thus controls motor and can rotate efficiently.
The present invention compared with the existing technology, has the following advantages and beneficial effect:
1. the present invention is without induction apparatus, can be achieved with the control of zero passage detection and motor, greatly reduces cost.
2. the present invention measures levels of precision height, and integration degree is high.
3. the present invention enormously simplify the complexity of design, uses proprietary chip to ensure that starting smoothly and fortune of motor
OK.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the circuit arrangement map of the MCU of the present invention；
Fig. 2 is the circuit arrangement map of the H-bridge circuit of the present invention；
Fig. 3 is the systematic schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than the embodiment in full sea portion wholely.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under not making creative work premise all its
His embodiment, broadly falls into the scope of protection of the invention.
The concrete solution of the present invention provides a kind of private information transmission method based on immediate communication platform, its effect
It is to need to hide the associated person information of instant communication client, chat record, chat process according to user, it is therefore prevented that the 3rd people
Private information and the chat record of user is obtained, it is ensured that instant messaging client in the case of instant communication client is listed
The privacy of end and safety.
Being illustrated in figure 3 the systematic schematic diagram of the present invention, MCU unit regulates the pulse width of PWM in real time and starts three-phase electricity
Machine, and be acquired by the afterflow voltage that reaction electromotive force is produced, it is re-fed into SAR ADC unit and changes, input to MCU
Unit, as the foundation of control algolithm, calculates the zero crossing of three-phase current phase place, is averaged benefit according to multiple sampling windows
Repay calculating, thus control motor and can rotate efficiently.
As depicted in figs. 1 and 2, the present invention provides a kind of sinusoidal control device without DC brushless motor suddenly, described directly
The three-phase windings of stream brushless electric machine is connected with 32 MCU by H-bridge circuit, and described H-bridge circuit uses 6 MOFET pipe Q1-
Q6, wherein Q1 and Q2 be two switching tubes of A phase upper and lower bridge arm, Q3 and Q4 be two switching tubes of B phase upper and lower bridge arm, Q5 and Q6
Two switching tubes for C phase upper and lower bridge arm.
Wherein, a road of A phase winding W connects the source electrode of MOFET pipe Q1 and is connected with one end of resistance R3, MOFET pipe Q1
Grid and resistance R5 connect after be connected with the HS3 interface of MCU, the other end of institute resistance R3 is connected with resistance R5.Electricity
Resistance R5 is in parallel with MOFET pipe simultaneously with resistance W's and MOFET pipe Q2 after being parallel with diode D1, resistance R2 and electric capacity C1 series connection
Source electrode is connected.Another road of A phase winding W connects the source electrode of MOFET pipe Q2 and is connected with one end of resistance R4, MOFET pipe Q2
Grid and resistance R6 connect after be connected with the LS3 interface of MCU, the other end of resistance R4 is connected with resistance R5.Resistance
With resistance W and MOFET pipe Q2 while that R6 being in parallel with MOFET pipe after being parallel with diode D2, described resistance R1 and electric capacity C2 series connection
Drain electrode be connected.
One tunnel of B phase winding V connects the source electrode of MOFET pipe Q3 and is connected with one end of resistance R17, the grid of MOFET pipe Q3
Pole is connected with the HS2 interface of MCU after connecting with resistance R25, and the other end of resistance R17 is connected with resistance R25, resistance
R25 is parallel with diode D7.After resistance R14 and electric capacity C10 series connection in parallel with MOFET pipe simultaneously with resistance V on-off circuit and
The source electrode of MOFET pipe Q3 is connected.Another road of B phase winding V connects the source electrode with one end of resistance R18 even of MOFET pipe Q4
Connecing, the grid of MOFET pipe Q4 is connected with the LS2 interface of MCU after connecting with resistance R26, the other end of resistance R18 and resistance
R26 is connected, resistance R26 after being parallel with diode D8, resistance R13 and electric capacity C11 series connection in parallel with MOFET pipe simultaneously and resistance
V on-off circuit is connected with the drain electrode of MOFET pipe Q4.
One tunnel of C phase winding U connects the source electrode of MOFET pipe Q5 and is connected with one end of resistance R43, the grid of MOFET pipe Q5
Pole is connected with the HS1 interface of MCU after connecting with resistance R45, and the other end of resistance R43 is connected with resistance 45, resistance R45
With resistance U and the source of MOFET pipe Q5 while of being parallel with in parallel with MOFET pipe after diode D10, resistance R42 and electric capacity C15 connect
Pole is connected.Another road of C phase winding U connects the source electrode of MOFET pipe Q6 and is connected with one end of resistance R44, MOFET pipe Q6's
Grid is connected with the LS1 interface of MCU after connecting with resistance R46.The other end of resistance R44 is connected with resistance R46, resistance
With resistance U and MOFET pipe Q6 while that R46 being in parallel with MOFET pipe after being parallel with diode D11, resistance R41 and electric capacity C16 series connection
Drain electrode be connected.
Preferably, winding W on-off circuit, resistance V on-off circuit and winding U on-off circuit be simultaneously connected with resistance R19 and
The other end series connection of resistance R15, resistance R19 connects with the IP interface of MCU and the VCC power interface of resistance R27 and MCU respectively
Connecing, the other end one tunnel ground connection of resistance R15, a road is connected with resistance R20, resistance R20 respectively with IM interface and the resistance of MCU
The I/O interface of R28 and MCU connects, and another road of resistance R15 is in parallel with resistance R19 after connecting with resistance R16.
Preferably, No. 1 pin PB6 with the TX output of MCU is connected.No. 2 pin PB7 with RX outputs are connected.No. 3 pin PC0
It is connected with PC0 output.No. 4 pin PC1 with PC1 outputs are connected.No. 5 pin PC2 are connected with test output TP2.No. 6 pin PC3
Measure the counter electromotive force of winding U.No. 7 pin VPP ground connection.No. 8 pin PC4 measure the counter electromotive force of winding V.No. 9 pin PC6 survey
The counter electromotive force of amount winding W..No. 10 pin PC6 are connected with test output TP3.No. 11 pin PC7 are not connected with, No. 12 pins
TMODE mono-tunnel and TMODE output is connected, another road be connected with resistance R24 after ground connection.
Preferably, a road and resistance R37 and power supply VCC interface after No. 13 pin NRST with the NRST outputs of MCU are connected
Connecting, another road is connected with No. 19 pin VIN after being connected with resistance R38.With No. 15 after No. 14 pin VDCC connection electric capacity C13
Pin VSS ground connection together.No. 16 pin VDDIO mono-tunnels are connected with No. 17 pin VSEL after being connected with resistance R30, a road with send out
Ground connection after optical diode D9 connection, a road and power supply VCC interface connect.No. 19 pin VIN are connected with resistance R39, No. 20 pins
After BUS mono-tunnel is connected with electric capacity C17, ground connection together with resistance R39, a road is connected with LIN output after connecting resistance R40.22
Number pin VBATS is connected with No. 24 pin S after connecting resistance R22 and resistance R31, No. 23 pin PGND2 ground connection, No. 24 pins
Another road of S be connected with electric capacity C12 after ground connection.
Preferably, No. 25 pin D3 of MCU connect the negative pole of diode D6.No. 26 pin CH3 with HS3 are connected.No. 27 are drawn
Foot M3 mono-tunnel connects the negative pole of diode D6 with electric capacity C9 after being connected, another road connects with No. 9 pin PC6 after being connected with resistance R21
Connecing, resistance R21 connects ground connection after resistance R34.No. 28 pin CL3 with LS3 are connected.No. 29 pin D2 connect the negative of diode D5
Pole.No. 30 pin CH2 with HS2 are connected.No. 31 pin M2, a road connects the negative pole of diode D5 with electric capacity C8 after being connected, another
Road is connected with No. 8 pin PC4 after being connected with resistance R22, and resistance R22 connects ground connection after resistance R35.No. 32 pins are connected with LS2,
No. 33 pin D1 connect the negative pole of diode D4, and No. 34 pin CH1 with HS1 are connected, and No. 35 pin M1 mono-tunnels are connected with electric capacity C7
The negative pole of rear connection diode D5, another road is connected with No. 6 pin PC3 after being connected with resistance R23, and resistance R23 connects resistance R36
Rear ground connection, No. 36 pin CL1 with LS1 are connected.
Preferably, No. 37 pin T of MCU connect ground connection after resistance R12, No. 38 pin PGND1 ground connection, No. 39 pin one tunnels
Connecting test output TP1, a road connects ground connection after electric capacity C5, and another road connects resistance R7, resistance R7 mono-tunnel and connects resistance R10,
Resistance R10 anode with anode, the anode of diode D5 and the diode D6 of diode D4 respectively is connected, another road of resistance R7
Connection resistance R8, ground connection after resistance R8 connecting luminous diode D3, No. 40 pin VBAT connection power-supplying circuit VSUP, No. 41
Pin VDDR connects ground connection after electric capacity C6, and No. 42 pin VCCP connect ground connection after electric capacity C4, and No. 43 pin VCC connect VCC power supply,
No. 44 pin IP are connected with H-bridge circuit IP interface, and No. 45 pin IM are connected with H-bridge circuit IM interface, No. 46 pin IO and H bridge electricity
Road I/O interface connects, and No. 47 pin GND ground connection, No. 48 pin P85 are connected with H-bridge circuit I/O interface, No. 49 interface EP ground connection.
Preferably, MCU is also associated with switch input circuit CON2, switch input circuit CON3 and switch input circuit
CON6.No. 1 wire jumper interface of switch input circuit CON2 is connected with the BUS pin of MCU by LIN interface, No. 2 wire jumpers of CON2
Mouth ground connection.
Switch input circuit CON3 No. 1 wire jumper mouth be connected with the PB6 pin of MCU by TX interface, No. 2 wire jumper mouths are logical
Cross RX interface to be connected with the PB7 pin of MCU, No. 3 wire jumper mouth ground connection.
No. 1 wire jumper mouth of switch input circuit CON6 is connected with VCC power interface, No. 2 wire jumper mouths and the NRST pin of MCU
Connecting, No. 3 wire jumper mouths are connected with the TMODE pin of MCU, and No. 4 wire jumper mouths are connected with the PC0 pin of MCU, No. 5 wire jumper mouths and MCU
PC1 pin connect, No. 6 wire jumper mouth ground connection.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (7)
1. a sinusoidal control device without DC brushless motor suddenly, it is characterised in that the three-phase of described DC brushless motor around
Group is connected with 32 MCU by H-bridge circuit, and described H-bridge circuit uses 6 MOFET pipe Q1-Q6, and wherein Q1 and Q2 is in A phase
Two switching tubes of lower brachium pontis, Q3 and Q4 are two switching tubes of B phase upper and lower bridge arm, Q5 and Q6 is two of C phase upper and lower bridge arm
Switching tube；
Wherein, a road of A phase winding W connects the source electrode of MOFET pipe Q1 and is connected with one end of resistance R3, described MOFET pipe Q1
Grid and resistance R5 connect after be connected with the HS3 interface of MCU, the other end of described resistance R3 is connected with resistance R5,
Described resistance R5 after being parallel with diode D1, described resistance R2 and electric capacity C1 series connection in parallel with MOFET pipe simultaneously with resistance W and
The source electrode of MOFET pipe Q2 is connected；Another road of described A phase winding W connect MOFET pipe Q2 drain electrode and with one end of resistance R4
Connect, be connected with the LS3 interface of MCU after the grid of described MOFET pipe Q2 and resistance R6 series connection, another of described resistance R4
End is connected with resistance R5, and described resistance R6 manages also with MOFET after being parallel with diode D2, described resistance R1 and electric capacity C2 series connection
In conjunction with time be connected with the drain electrode of resistance W and MOFET pipe Q2；
One tunnel of B phase winding V connects the source electrode of MOFET pipe Q3 and is connected with one end of resistance R17, the grid of described MOFET pipe Q3
Pole is connected with the HS2 interface of MCU after connecting with resistance R25, and the other end of described resistance R17 is connected with resistance R25, institute
Open with resistance V while of stating in parallel with MOFET pipe after resistance R25 is parallel with diode D7, described resistance R14 and electric capacity C10 series connection
Close circuit to be connected with the source electrode of MOFET pipe Q3；Another road of described B phase winding V connects source electrode and the resistance of MOFET pipe Q4
One end of R18 connects, and the grid of described MOFET pipe Q4 is connected with the LS2 interface of MCU after connecting with resistance R26, described electricity
The other end of resistance R18 is connected with resistance R26, and described resistance R26 is parallel with diode D8, described resistance R13 and electric capacity C11 string
It is connected with the drain electrode of resistance V on-off circuit and MOFET pipe Q4 with MOFET pipe parallel connection after connection simultaneously；
One tunnel of C phase winding U connects the source electrode of MOFET pipe Q5 and is connected with one end of resistance R43, the grid of described MOFET pipe Q5
Pole is connected with the HS1 interface of MCU after connecting with resistance R45, and the other end of described resistance R43 is connected with resistance 45, institute
State after resistance R45 is parallel with diode D10, described resistance R42 and electric capacity C15 series connection in parallel with MOFET pipe simultaneously with resistance U and
The source electrode of MOFET pipe Q5 is connected；Another road of described C phase winding U connect MOFET pipe Q6 source electrode and with the one of resistance R44
End connects, and the grid of described MOFET pipe Q6 is connected with the LS1 interface of MCU after connecting with resistance R46, described resistance R44's
The other end is connected with resistance R46, described resistance R46 be parallel with diode D11, described resistance R41 and electric capacity C16 series connection after with
MOFET pipe parallel connection is connected with the drain electrode of resistance U and MOFET pipe Q6 simultaneously
Winding W on-off circuit, winding V and winding U on-off circuit have been simultaneously connected with resistance R19 and resistance R15, described resistance R19
Other end series connection be connected with the IP interface of MCU and the VCC power interface of resistance R27 and MCU respectively, another of resistance R15
Holding a road ground connection, a road is connected with resistance R20, resistance R20 respectively with IM interface and the I/O interface of resistance R28 and MCU of MCU
Connecting, another road of resistance R15 is in parallel with resistance R19 after connecting with resistance R16.
A kind of sinusoidal device without DC brushless motor suddenly the most as claimed in claim 1, it is characterised in that No. 1 of described MCU
Pin PB6 with TX output is connected, and No. 2 pin PB7 with RX outputs are connected, and No. 3 pin PC0 with PC0 outputs are connected, No. 4 pin PC1
Being connected with PC1 output, No. 5 pin PC2 are connected with test output TP2, and No. 6 pin PC3 measure the counter electromotive force of resistance U, and No. 7 are drawn
Foot VPP ground connection, No. 8 pin PC4 measure the counter electromotive force of resistance V on-off circuit, and No. 9 pin PC6 measure the most electronic of resistance W
Gesture, No. 10 pin PC6 are connected with test output TP3, and No. 11 pin PC7 are not connected with, and No. 12 pin TMODE mono-tunnels are defeated with TMODE
Go out connect, another road be connected with resistance R24 after ground connection.
A kind of sinusoidal device without DC brushless motor suddenly the most as claimed in claim 2, it is characterised in that the 13 of described MCU
After number pin NRST with NRST output series connection, a road is connected with resistance R37 and power supply VCC interface, another road and resistance R38 company
Be connected with No. 19 pin VIN after connecing, after No. 14 pin VDCC connection electric capacity C13 together with No. 15 pin VSS ground connection, No. 16 are drawn
Foot VDDIO mono-tunnel is connected with No. 17 pin VSEL after being connected with resistance R30, a road be connected with light emitting diode D9 after ground connection,
One road and power supply VCC interface connect, and No. 19 pin VIN are connected with resistance R39, and No. 20 pin BUS mono-tunnels are connected with electric capacity C17
After, ground connection together with resistance R39, a road is connected with LIN output after connecting resistance R40, and No. 22 pin VBATS connect resistance
Being connected with No. 24 pin S after R22 and resistance R31, No. 23 pin PGND2 ground connection, No. 24 another roads of pin S are with electric capacity C12 even
Connect rear ground connection.
A kind of sinusoidal device without DC brushless motor suddenly the most as claimed in claim 3, it is characterised in that the 25 of described MCU
Number pin D3 connects the negative pole of diode D6, and No. 26 pin CH3 with HS3 are connected, after No. 27 pin M3 mono-tunnels are connected with electric capacity C9
Connecting the negative pole of diode D6, another road is connected with No. 9 pin PC6 after being connected with resistance R21, after resistance R21 connects resistance R34
Ground connection, No. 28 pin CL3 with LS3 are connected, and No. 29 pin D2 connect the negative pole of diode D5, and No. 30 pin CH2 with HS2 are connected,
No. 31 pin M2, a road connects the negative pole of diode D5 with electric capacity C8 after being connected, another road is drawn with No. 8 after being connected with resistance R22
Foot PC4 connects, and resistance R22 connects ground connection after resistance R35, and No. 32 pins are connected with LS2, and No. 33 pin D1 connect diode D4's
Negative pole, No. 34 pin CH1 with HS1 are connected, and No. 35 pin M1 mono-tunnels connect the negative pole of diode D5 with electric capacity C7 after being connected, another
Road is connected with No. 6 pin PC3 after being connected with resistance R23, and resistance R23 connects ground connection after resistance R36, and No. 36 pin CL1 Yu LS1 are even
Connect.
A kind of sinusoidal device without DC brushless motor suddenly the most as claimed in claim 4, it is characterised in that the 37 of described MCU
Number pin T connects ground connection after resistance R12, No. 38 pin PGND1 ground connection, and No. 39 pin one road connecting tests output TP1, a road is even
Connecing ground connection after electric capacity C5, another road connects resistance R7, resistance R7 mono-tunnel and connects resistance R10, resistance R10 respectively with diode D4's
The anode of anode, the anode of diode D5 and diode D6 connects, and another road of resistance R7 connects resistance R8, resistance R8 connection and sends out
Ground connection after optical diode D3, No. 40 pin VBAT connect power-supplying circuit VSUP, No. 41 pin VDDR and connect electric capacity C6 and be followed by
Ground, No. 42 pin VCCP connect ground connection after electric capacity C4, and No. 43 pin VCC connect VCC power supply, No. 44 pin IP and H-bridge circuit IP
Interface connects, and No. 45 pin IM are connected with H-bridge circuit IM interface, and No. 46 pin IO are connected with H-bridge circuit I/O interface, No. 47 pins
GND ground connection, No. 48 pin P85 are connected with H-bridge circuit I/O interface, No. 49 interface EP ground connection.
A kind of sinusoidal device without DC brushless motor suddenly the most as claimed in claim 5, it is characterised in that also include switching defeated
Enter circuit CON2, switch input circuit CON3 and switch input circuit CON6, No. 1 wire jumper of described switch input circuit CON2
Interface is connected with the BUS pin of MCU by LIN interface, No. 2 wire jumper mouth ground connection of CON2, described switch input circuit CON3's
No. 1 wire jumper mouth is connected with the PB6 pin of MCU by TX interface, No. 2 wire jumper mouths PB7 pin company by RX interface and MCU
Connecing, No. 3 wire jumper mouth ground connection, No. 1 wire jumper mouth of described switch input circuit CON6 is connected with VCC power interface, No. 2 wire jumper mouths with
The NRST pin of MCU connects, and No. 3 wire jumper mouths are connected with the TMODE pin of MCU, and No. 4 wire jumper mouths are connected with the PC0 pin of MCU, and 5
Number wire jumper mouth is connected with the PC1 pin of MCU, No. 6 wire jumper mouth ground connection.
A kind of sinusoidal device without DC brushless motor suddenly the most as claimed in claim 6, it is characterised in that MCU unit is real-time
Regulate the pulse width of PWM, and the afterflow voltage produced reaction electromotive force by multiple sampling windows is acquired, and calculates three
The zero crossing of phase current phase place, thus control motor and can rotate efficiently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782482.XA CN106208841A (en) | 2016-08-30 | 2016-08-30 | A kind of sinusoidal control device without DC brushless motor suddenly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610782482.XA CN106208841A (en) | 2016-08-30 | 2016-08-30 | A kind of sinusoidal control device without DC brushless motor suddenly |
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| Publication Number | Publication Date |
|---|---|
| CN106208841A true CN106208841A (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610782482.XA Pending CN106208841A (en) | 2016-08-30 | 2016-08-30 | A kind of sinusoidal control device without DC brushless motor suddenly |
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