CN206164419U - Sine does not have DC Brushless motor's controlling means suddenly - Google Patents
Sine does not have DC Brushless motor's controlling means suddenly Download PDFInfo
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- CN206164419U CN206164419U CN201621012414.7U CN201621012414U CN206164419U CN 206164419 U CN206164419 U CN 206164419U CN 201621012414 U CN201621012414 U CN 201621012414U CN 206164419 U CN206164419 U CN 206164419U
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Abstract
The utility model provides a sine does not have DC Brushless motor's controlling means suddenly, DC Brushless motor's three phase resistances are connected with 32 MCU through H bridge circuit, does H bridge circuit adopt 6 MOFET pipe Q1 Q6, wherein Q1 and Q2 are A two switch tubes of upper and lower bridge arm mutually, Q3 and Q4 are B two switch tubes of upper and lower bridge arm mutually, Q5 and Q6 are C two switch tubes of upper and lower bridge arm mutually, PWM's pulse width is adjusted in real time to the MCU unit, and gather the afterflow voltage that reactionary current potential produced through a plurality of sampling windows, calculate the zero crossing of three phase current phase place, thereby it can start high -efficiently and move to need not the sensor control motor.
Description
Technical field
The utility model is related to Control Technology for Brushless DC Electromotor field, and in particular to a kind of sinusoidal without the electricity of brush DC suddenly
The control device of machine.
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 made theoretical development and rise.It is due to which overcoming when Traditional DC motor brush commutates one
Row problem, and with small volume, lightweight, simple structure, easy to maintenance, reliable, energy-efficient, easily controllable etc.
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 is mainly had suddenly with sinusoidal without two kinds suddenly controls using square wave
Method.Square wave has control program suddenly that very big noise can be produced when motor is rotated, and converts electrical energy into the efficiency of kinetic energy
It is relatively low.Additionally need and Hall element (position sensor) is installed in motor internal, the high temperature that motor internal is produced can make Hall (position
Put sensor) damage, reduce service life shorter.It is sinusoidal to realize reducing noise and raising efficiency without (FOC controls) method suddenly,
But can fail when heavy duty zero velocity starts, mainly this algorithm can not be judged well to turn when zero velocity starts
Sub- accurate location.And in starting the control of vector is also needed for rotor to go to fixed position and could normally started.
The content of the invention
To solve the above-mentioned problems in the prior art, the purpose of this utility model is to provide a kind of sine without Huo Zhiliu
The control device of brushless electric machine, it is not necessary to sensor, using the method motor of zero passage detection.
It is in order to achieve the above object, of the present utility model that a kind of sinusoidal control device without DC brushless motor suddenly is provided,
The three-phase resistance of the DC brushless motor is connected by H-bridge circuit with 32 MCU, and the H-bridge circuit adopts 6 MOFET
Pipe Q1-Q6, wherein Q1 and Q2 are two switching tubes that two switching tubes, Q3 and Q4 of A phase upper and lower bridge arms are B phase upper and lower bridge arms,
Q5 and Q6 is two switching tubes of C phase upper and lower bridge arms；
Wherein, A phase windings W all the way connect MOFET pipe Q1 source electrode and be connected with one end of resistance R3, the MOFET
The grid of pipe Q1 is connected with after resistance R5 series connection with the HS3 interfaces of MCU, and the other end of the resistance R3 is connected with resistance R5
Connect, the resistance R5 be parallel with diode D1, the resistance R2 and electric capacity C1 series connection after it is in parallel with MOFET pipes and meanwhile with resistance W
It is connected with the source electrode of MOFET pipe Q2；The source electrode of another road connection MOFET pipe Q2 of the A phase windings W and with the one of resistance R4
End connection, the grid of the MOFET pipes Q2 is connected with after resistance R6 series connection with the LS3 interfaces of MCU, and the resistance R4's is another
One end is connected with resistance R5, and the resistance R6 is parallel with after diode D2, the resistance R1 and electric capacity C2 series connection and MOFET pipes
It is in parallel to be connected with the drain electrode of resistance W and MOFET pipe Q2 simultaneously；
B phase winding V's connects all the way the source electrode of MOFET pipe Q3 and is connected with one end of resistance R17, the MOFET pipes Q3
Grid and resistance R25 series connection after be connected with the HS2 interfaces of MCU, the other end of the resistance R17 is connected with resistance R25
Connect, the resistance R25 be parallel with diode D7, the resistance R14 and electric capacity C10 series connection after it is in parallel with MOFET pipes and meanwhile with electricity
Resistance V on-off circuits are connected with the source electrode of MOFET pipe Q3；The source electrode of another road connection MOFET pipe Q4 of the B phase windings V is simultaneously
It is connected with one end of resistance R18, the grid of the MOFET pipes Q4 is connected with after resistance R26 series connection with the LS2 interfaces of MCU,
The other end of the resistance R18 is connected with resistance R26, and the resistance R26 is parallel with diode D8, the resistance R13 and electricity
Hold in parallel with MOFET pipes while being connected with the drain electrode of resistance V on-off circuits and MOFET pipe Q4 after C11 series connection；
C phase winding U's connects all the way the source electrode of MOFET pipe Q5 and is connected with one end of resistance R43, the MOFET pipes Q5
Grid and resistance R45 series connection after be connected with the HS1 interfaces of MCU, the other end of the resistance R43 is connected with resistance 45
Connect, the resistance R45 be parallel with diode D10, the resistance R42 and electric capacity C15 series connection after it is in parallel with MOFET pipes and meanwhile with electricity
The source electrode of resistance U with MOFET pipe Q5 is connected；The C phase windings U another road connection MOFET pipe Q6 source electrode and with resistance R44
One end connection, the grid of the MOFET pipes Q6 is connected after connecting with resistance R46 with the LS1 interfaces of MCU, the resistance
The other end of R44 is connected with resistance R46, and the resistance R46 is parallel with diode D11, the resistance R41 and electric capacity C16 string
It is in parallel with MOFET pipes after connection to be connected with the drain electrode of resistance U and MOFET pipe Q6 simultaneously；
Winding W on-off circuits, winding V and winding U on-off circuits are connected with resistance R19 and resistance R15, the resistance simultaneously
The other end series connection of R19 is connected respectively with the IP interfaces of MCU and the VCC power interfaces of resistance R27 and MCU, and resistance R15's is another
One end is grounded all the way, is connected with resistance R20 all the way, and resistance R20 connects respectively with the IM interfaces of MCU and the IO of resistance R28 and MCU
Mouth connection, another road of resistance R15 is in parallel with resistance R19 after connecting with resistance R16.
Further, No. 1 pin PB6 and TX output of the MCU is connected, and No. 2 pin PB7 are connected with RX outputs, and No. 3 are drawn
Pin PC0 is connected with PC0 outputs, and No. 4 pin PC1 are connected with PC1 outputs, and No. 5 pin PC2 are connected with test output TP2, and No. 6 are drawn
Pin PC3 measures the counter electromotive force of winding U, and No. 7 pin VPP ground connection, 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
The tunnels of pin TMODE mono- are connected with TMODE outputs, and another road is grounded after being connected with resistance R24.
Further, the MCU No. 13 pin NRST and NRST output connect after all the way with resistance R37 and power supply
VCC interfaces connect, and another road is connected after being connected with resistance R38 with No. 19 pin VIN, No. 14 pin VDCC connect electric capacity C13 it
It is grounded together with No. 15 pin VSS afterwards, No. 16 tunnels of pin VDDIO mono- are connected after being connected with resistance R30 with No. 17 pin VSEL,
It is grounded after being connected with light emitting diode D9 all the way, connects with power supply VCC interfaces all the way, No. 19 pin VIN is connected with resistance R39,
After No. 20 tunnels of pin BUS mono- are connected with electric capacity C17, it is grounded together with resistance R39, connects exported with LIN after resistance R40 all the way
Connection, is connected, No. 23 pin PGND2 ground connection after No. 22 pin VBATS connection resistance R22 and resistance R31 with No. 24 pin S,
Another road of No. 24 pin S is grounded after being connected with electric capacity C12.
Further, No. 25 pin D3 of the MCU connect the negative pole of diode D6, and No. 26 pin CH3 and HS3 connects
Connect, No. 27 tunnels of pin M3 mono- 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 is grounded after resistance R21 connection resistance R34s, and No. 28 pin CL3 are connected with LS3, and No. 29 pin D2 connect two poles
The negative pole of pipe D5, No. 30 pin CH2 are connected with HS2, No. 31 pin M2, and the negative of diode D5 is connected after being connected with electric capacity C8 all the way
Pole, another road is connected after being connected with resistance R22 with No. 8 pin PC4, is grounded after resistance R22 connection 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 be connecteds with HS1, No. 35 tunnels of pin M1 mono- and electric
Hold the negative pole for connecting diode D5 after C7 connections, another road is connected after being connected with resistance R23 with No. 6 pin PC3, and resistance R23 connects
It is grounded after connecting resistance R36, No. 36 pin CL1 are connected with LS1.
Further, it is grounded after No. 37 pin T connection resistance R12 of the MCU, No. 38 pin PGND1 ground connection, No. 39
All the way connecting test exports TP1 to pin, connects be grounded after electric capacity C5 all the way, and another road connects resistance R7, the connection of the tunnels of resistance R7 mono-
The anode of resistance R10, resistance R10 anode, the anode of diode D5 and diode D6 respectively with diode D4 is connected, resistance R7
Another road connection resistance R8, be grounded after resistance R8 connecting luminous diode D3, No. 40 pin VBAT connect power-supplying circuits
VSUP, is grounded after No. 41 pin VDDR connection electric capacity C6, is grounded after No. 42 pin VCCP connection electric capacity C4, and No. 43 pin VCC connect
VCC power supplys are connect, 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
Pin IO is connected with H-bridge circuit I/O interface, No. 47 pin GND ground connection, No. 48 pin P85 be connected with H-bridge circuit I/O interface, No. 49
Interface EP is grounded.
Further, also including switch input circuit CON2, switch input circuit CON3 and switch input circuit
No. 1 wire jumper interface of CON6, the switch input circuit CON2 is connected by LIN interfaces with the BUS pins of MCU, No. 2 of CON2
Wire jumper mouth is grounded, and No. 1 wire jumper mouth of the switch input circuit CON3 is connected by TX interfaces with the PB6 pins of MCU, No. 2
Wire jumper mouth is connected by RX interfaces with the PB7 pins of MCU, No. 3 wire jumper mouth ground connection, No. 1 jump of the switch input circuit CON6
Line mouth is connected with VCC power interfaces, and No. 2 wire jumper mouths are connected with the NRST pins of MCU, the TMODE pins of No. 3 wire jumper mouths and MCU
Connection, No. 4 wire jumper mouths are connected with the PC0 pins of MCU, and No. 5 wire jumper mouths are connected with the PC1 pins of MCU, No. 6 wire jumper mouth ground connection.
Further, the pulse width of MCU units real-time regulation PWM, and by multiple sampling windows to reaction potential
The afterflow voltage of generation is acquired, and calculates the zero crossing of three-phase current phase place, so as to controlled motor can be rotated efficiently.
The utility model compared with the existing technology, with advantages below and beneficial effect：
1. the utility model can be achieved with the control of zero passage detection and motor without the need for inductor, greatly reduce cost.
2. the utility model measurement levels of precision is high, and integration degree is high.
3. the utility model enormously simplify the complexity of design, using proprietary chip ensure that motor smooth startup and
Operation.
Description of the drawings
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the circuit arrangement map of MCU of the present utility model；
Fig. 2 is the circuit arrangement map of H-bridge circuit of the present utility model；
Fig. 3 is systematic schematic diagram of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than full sea portion
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of the utility model protection.
Concrete solution of the present utility model provides a kind of private information transmission method based on immediate communication platform, its
Effect is to be needed to hide associated person information, chat record, the chat process of instant communication client according to user, it is therefore prevented that the
Three people obtain the private information and chat record of user in the case of instant communication client is listed, it is ensured that instant messaging
The privacy and security of client.
Systematic schematic diagram of the present utility model is illustrated in figure 3, the pulse width of MCU unit real-time regulations PWM starts three
Phase motor, and by being acquired to the afterflow voltage that reaction potential is produced, be re-fed into SAR ADC units and changed, it is input into
To MCU units as the foundation of control algolithm, the zero crossing of three-phase current phase place is calculated, put down according to multiple sampling windows
Equal compensation calculation, so as to controlled motor can be rotated efficiently.
As depicted in figs. 1 and 2, it is of the present utility model that a kind of sinusoidal control device without DC brushless motor suddenly, institute are provided
The three-phase windings for stating DC brushless motor are connected by H-bridge circuit with 32 MCU, and the H-bridge circuit is using 6 MOFET pipes
Q1-Q6, wherein Q1 and Q2 are two switching tubes that two switching tubes, Q3 and Q4 of A phase upper and lower bridge arms are B phase upper and lower bridge arms, Q5
With two switching tubes that Q6 is C phase upper and lower bridge arms.
Wherein, A phase windings W all the way connect MOFET pipe Q1 source electrode and be connected with one end of resistance R3, MOFET pipe Q1
Grid and resistance R5 series connection after be connected with the HS3 interfaces of MCU, the other end of institute resistance R3 is connected with resistance R5.Electricity
Resistance R5 is parallel with parallel with MOFET pipes simultaneously with resistance W and MOFET pipe Q2's after diode D1, resistance R2 and electric capacity C1 series connection
Source electrode is connected.The source electrode of another road connection MOFET pipe Q2 of A phase winding W is simultaneously connected, MOFET pipe Q2 with one end of resistance R4
Grid and resistance R6 series connection after be connected with the LS3 interfaces of MCU, the other end of resistance R4 is connected with resistance R5.Resistance
R6 be parallel with diode D2, the resistance R1 and electric capacity C2 series connection after it is in parallel with MOFET pipes and meanwhile with resistance W and MOFET pipe Q2
Drain electrode be connected.
B phase winding V's connects all the way 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 after resistance R25 series connection with the HS2 interfaces of MCU, and the other end of resistance R17 is connected with resistance R25, resistance
R25 is parallel with diode D7.Resistance R14 and electric capacity C10 series connection after it is in parallel with MOFET pipes and meanwhile with resistance V on-off circuits and
The source electrode of MOFET pipe Q3 is connected.The source electrode of another road connection MOFET pipe Q4 of B phase winding V simultaneously connects with one end of resistance R18
Connect, the grid of MOFET pipe Q4 is connected with after resistance R26 series connection with the LS2 interfaces of MCU, the other end and resistance of resistance R18
R26 is connected, and resistance R26 is parallel with parallel with MOFET pipes after diode D8, resistance R13 and electric capacity C11 series connection while and resistance
V on-off circuits are connected with the drain electrode of MOFET pipe Q4.
C phase winding U's connects all the way 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 after resistance R45 series connection with the HS1 interfaces of MCU, and the other end of resistance R43 is connected with resistance 45, resistance R45
It is parallel with source simultaneously with resistance U and MOFET pipe Q5 in parallel with MOFET pipes after diode D10, resistance R42 and electric capacity C15 series connection
Pole is connected.The source electrode of another road connection MOFET pipe Q6 of C phase winding U is simultaneously connected with one end of resistance R44, MOFET pipe Q6's
Grid is connected with after resistance R46 series connection with the LS1 interfaces of MCU.The other end of resistance R44 is connected with resistance R46, resistance
R46 be parallel with diode D11, resistance R41 and electric capacity C16 series connection after it is in parallel with MOFET pipes and meanwhile with resistance U and MOFET pipe Q6
Drain electrode be connected.
Preferably, winding W on-off circuits, resistance V on-off circuits and winding U on-off circuits be connected with simultaneously resistance R19 and
The other end series connection of resistance R15, resistance R19 connects respectively with the IP interfaces of MCU and the VCC power interfaces of resistance R27 and MCU
Connect, the other end of resistance R15 is grounded all the way, be connected with resistance R20 all the way, resistance R20 respectively with the IM interfaces and resistance of MCU
The I/O interface connection of R28 and MCU, another road of resistance R15 is in parallel with resistance R19 after connecting with resistance R16.
Preferably, No. 1 pin PB6 and TX output of MCU is connected.No. 2 pin PB7 are connected with RX outputs.No. 3 pin PC0
It is connected with PC0 outputs.No. 4 pin PC1 are connected with PC1 outputs.No. 5 pin PC2 are connected with test output TP2.No. 6 pin PC3
The counter electromotive force of measurement winding U.No. 7 pin VPP ground connection.No. 8 pin PC4 measure the counter electromotive force of winding V.No. 9 pin PC6 are surveyed
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
The tunnels of TMODE mono- are connected with TMODE outputs, and another road is grounded after being connected with resistance R24.
Preferably, MCU No. 13 pin NRST and NRST output connect after all the way with resistance R37 and power supply VCC interfaces
Connection, another road is connected after being connected with resistance R38 with No. 19 pin VIN.With No. 15 after No. 14 pin VDCC connection electric capacity C13
Pin VSS is grounded together.No. 16 tunnels of pin VDDIO mono- are connected after being connected with resistance R30 with No. 17 pin VSEL, all the way with send out
It is grounded after optical diode D9 connections, connects with power supply VCC interfaces all the way.No. 19 pin VIN are connected with resistance R39, No. 20 pins
After the tunnels of BUS mono- are connected with electric capacity C17, it is grounded together with resistance R39, connects be connected with LIN outputs after resistance R40 all the way.22
Be connected with No. 24 pin S after number pin VBATS connection resistance R22 and resistance R31, No. 23 pin PGND2 are grounded, No. 24 pins
Another roads of S are grounded after being connected with electric capacity C12.
Preferably, No. 25 pin D3 of MCU connect the negative pole of diode D6.No. 26 pin CH3 are connected with HS3.No. 27 are drawn
The tunnels of pin M3 mono- connect the negative pole of diode D6 after being connected with electric capacity C9, another road connects after being connected with resistance R21 with No. 9 pin PC6
Connect, be grounded after resistance R21 connection resistance R34s.No. 28 pin CL3 are connected with LS3.No. 29 pin D2 connect the negative of diode D5
Pole.No. 30 pin CH2 are connected with HS2.No. 31 pin M2, connect the negative pole of diode D5 after being connected with electric capacity C8 all the way, another
Road is connected after being connected with resistance R22 with No. 8 pin PC4, is grounded after resistance R22 connection 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 are connected with HS1, and No. 35 tunnels of pin M1 mono- are connected with electric capacity C7
Connect the negative pole of diode D5 afterwards, another road is connected after being connected with resistance R23 with No. 6 pin PC3, resistance R23 connection resistance R36
After be grounded, No. 36 pin CL1 are connected with LS1.
Preferably, it is grounded after No. 37 pin T connection resistance R12 of MCU, No. 38 pin PGND1 ground connection, No. 39 pins are all the way
Connecting test exports TP1, connects be grounded after electric capacity C5 all the way, and another road connects resistance R7, the tunnels of resistance R7 mono- connection resistance R10,
The anode of resistance R10 anodes, the anode of diode D5 and diode D6 respectively with diode D4 is connected, another road of resistance R7
Connection resistance R8, is grounded after resistance R8 connecting luminous diode D3, No. 40 pin VBAT connection power-supplying circuit VSUP, No. 41
It is grounded after pin VDDR connection electric capacity C6, is grounded after No. 42 pin VCCP connection electric capacity C4, No. 43 pin VCC connects VCC power supplys,
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 pin IO are electric with H bridges
The connection of road I/O interface, No. 47 pin GND ground connection, No. 48 pin P85 be connected with H-bridge circuit I/O interface, No. 49 interface EP are grounded.
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 by LIN interfaces with the BUS pins of MCU, No. 2 wire jumpers of CON2
Mouth ground connection.
No. 1 wire jumper mouth of switch input circuit CON3 is connected by TX interfaces with the PB6 pins of MCU, and No. 2 wire jumper mouths lead to
Cross RX interfaces to be connected with the PB7 pins of MCU, No. 3 wire jumper mouth ground connection.
No. 1 wire jumper mouth of switch input circuit CON6 is connected with VCC power interfaces, the NRST pins of No. 2 wire jumper mouths and MCU
Connection, No. 3 wire jumper mouths are connected with the TMODE pins of MCU, and No. 4 wire jumper mouths are connected with the PC0 pins of MCU, No. 5 wire jumper mouths and MCU
The connection of PC1 pins, No. 6 wire jumper mouths ground connection.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of sinusoidal control device without DC brushless motor suddenly, it is characterised in that the three-phase of the DC brushless motor around
Group is connected by H-bridge circuit with 32 MCU, and it is A phases that the H-bridge circuit adopts 6 MOFET pipe Q1-Q6, wherein Q1 and Q2
Two switching tubes, Q3 and Q4 of upper and lower bridge arm are two switching tubes of B phase upper and lower bridge arms, and Q5 and Q6 is the two of C phase upper and lower bridge arms
Individual switching tube；
Wherein, A phase windings W all the way connect MOFET pipe Q1 source electrode and be connected with one end of resistance R3, the MOFET pipes Q1
Grid and resistance R5 series connection after be connected with the HS3 interfaces of MCU, the other end of the resistance R3 is connected with resistance R5,
The resistance R5 be parallel with diode D1, the resistance R2 and electric capacity C1 series connection after it is in parallel with MOFET pipes and meanwhile with resistance W and
The source electrode of MOFET pipe Q2 is connected；The A phase windings W another road connection MOFET pipe Q2 drain electrode and with one end of resistance R4
Connection, the grid of the MOFET pipes Q2 is connected with after resistance R6 series connection with the LS3 interfaces of MCU, and the resistance R4's is another
End is connected with resistance R5, and the resistance R6 is parallel with after diode D2, the resistance R1 and electric capacity C2 series connection and is managed simultaneously with MOFET
In conjunction with when be connected with the drain electrode of resistance W and MOFET pipe Q2；
B phase winding V's connects all the way the source electrode of MOFET pipe Q3 and is connected with one end of resistance R17, the grid of the MOFET pipes Q3
Pole is connected with after resistance R25 series connection with the HS2 interfaces of MCU, and the other end of the resistance R17 is connected with resistance R25, institute
State resistance R25 and be parallel with and in parallel with MOFET pipes after diode D7, the resistance R14 and electric capacity C10 series connection open with resistance V simultaneously
Powered-down road is connected with the source electrode of MOFET pipe Q3；The source electrode and and resistance of another road connection MOFET pipe Q4 of the B phase windings V
One end connection of R18, the grid of the MOFET pipes Q4 is connected with after resistance R26 series connection with the LS2 interfaces of MCU, the electricity
The other end of resistance R18 is connected with resistance R26, and the resistance R26 is parallel with diode D8, the resistance R13 and electric capacity C11 string
It is in parallel with MOFET pipes after connection to be connected with the drain electrode of resistance V on-off circuits and MOFET pipe Q4 simultaneously；
C phase winding U's connects all the way the source electrode of MOFET pipe Q5 and is connected with one end of resistance R43, the grid of the MOFET pipes Q5
Pole is connected with after resistance R45 series connection with the HS1 interfaces of MCU, and the other end of the resistance R43 is connected with resistance 45, institute
State resistance R45 be parallel with diode D10, the resistance R42 and electric capacity C15 series connection after it is in parallel with MOFET pipes and meanwhile with resistance U and
The source electrode of MOFET pipe Q5 is connected；The source electrode of another road connection MOFET pipe Q6 of the C phase windings U and with the one of resistance R44
End connection, the grid of the MOFET pipes Q6 is connected with after resistance R46 series connection with the LS1 interfaces of MCU, the resistance R44's
The other end is connected with resistance R46, the resistance R46 be parallel with diode D11, the resistance R41 and electric capacity C16 series connection after with
MOFET pipes are in parallel to be connected with the drain electrode of resistance U and MOFET pipe Q6 simultaneously
Winding W on-off circuits, winding V and winding U on-off circuits are connected with resistance R19 and resistance R15, the resistance R19 simultaneously
The other end series connection be connected with the IP interfaces of MCU and the VCC power interfaces of resistance R27 and MCU respectively, resistance R15's is another
End be grounded all the way, be connected with resistance R20 all the way, resistance R20 respectively with the IM interfaces and the I/O interface of resistance R28 and MCU of MCU
Connection, another road of resistance R15 is in parallel with resistance R19 after connecting with resistance R16.
2. a kind of sinusoidal control device without DC brushless motor suddenly as claimed in claim 1, it is characterised in that the MCU
No. 1 pin PB6 and TX output be connected, No. 2 pin PB7 are exported with RX and are connected, and No. 3 pin PC0 are exported with PC0 and are connected, and No. 4 are drawn
Pin PC1 is connected with PC1 outputs, and No. 5 pin PC2 are connected with test output TP2, and No. 6 pin PC3 measure the counter electromotive force of resistance U,
No. 7 pin VPP ground connection, No. 8 pin PC4 measure the counter electromotive force of resistance V on-off circuits, and No. 9 pin PC6 measure the anti-of resistance W
Electromotive force, No. 10 pin PC6 be connecteds with test output TP3, and No. 11 pin PC7 are not connected with, No. 12 tunnels of pin TMODE mono- and
TMODE output connections, another road is grounded after being connected with resistance R24.
3. a kind of sinusoidal control device without DC brushless motor suddenly as claimed in claim 2, it is characterised in that the MCU
No. 13 pin NRST and NRST output series connection after be connected with resistance R37 and power supply VCC interfaces all the way, another road and resistance
It is connected with No. 19 pin VIN after R38 connections, is grounded together with No. 15 pin VSS after No. 14 pin VDCC connection electric capacity C13,
No. 16 tunnels of pin VDDIO mono- are connected after being connected with resistance R30 with No. 17 pin VSEL, after being connected with light emitting diode D9 all the way
Ground connection, connects all the way with power supply VCC interfaces, and No. 19 pin VIN are connected with resistance R39, No. 20 tunnels of pin BUS mono- and electric capacity C17
After connection, it is grounded together with resistance R39, connects be connected with LIN outputs after resistance R40 all the way, No. 22 pin VBATS connections
It is connected with No. 24 pin S after resistance R22 and resistance R31, No. 23 pin PGND2 ground connection, another road of No. 24 pin S and electric capacity
It is grounded after C12 connections.
4. a kind of sinusoidal control device without DC brushless motor suddenly as claimed in claim 3, it is characterised in that the MCU
No. 25 pin D3 connect the negative pole of diode D6, No. 26 pin CH3 be connecteds with HS3, No. 27 tunnels of pin M3 mono- and electric capacity C9 companies
Connect the negative pole of diode D6 after connecing, another road is connected after being connected with resistance R21 with No. 9 pin PC6, resistance R21 connection resistance
It is grounded after R34, No. 28 pin CL3 are connected with LS3, No. 29 pin D2 connect the negative pole of diode D5, No. 30 pins CH2 and HS2
Connection, No. 31 pin M2, the negative pole of connection diode D5 after be connected with electric capacity C8 all the way, another road be connected with resistance R22 after with 8
Number pin PC4 connection, is grounded after resistance R22 connection resistance R35, and No. 32 pins are connected with LS2, No. 33 pin D1 connection diodes
The negative pole of D4, No. 34 pin CH1 are connected with HS1, and No. 35 tunnels of pin M1 mono- connect the negative pole of diode D5 after being connected with electric capacity C7,
Another road is connected after being connected with resistance R23 with No. 6 pin PC3, is grounded after resistance R23 connection resistance R36, No. 36 pin CL1 with
LS1 connects.
5. a kind of sinusoidal control device without DC brushless motor suddenly as claimed in claim 4, it is characterised in that the MCU
No. 37 pin T connection resistance R12 after be grounded, No. 38 pin PGND1 ground connection, No. 39 pins connecting test output TP1 all the way, one
Be grounded after road connection electric capacity C5, another road connects resistance R7, the tunnels of resistance R7 mono- connection resistance R10, resistance R10 respectively with diode
The anode connection of the anode, the anode of diode D5 and diode D6 of D4, another road connection resistance R8 of resistance R7, resistance R8 connects
It is grounded after sending and receiving optical diode D3, No. 40 pin VBAT connect power-supplying circuit VSUP, No. 41 pin VDDR connect electric capacity C6
After be grounded, be grounded after No. 42 pin VCCP connection electric capacity C4, No. 43 pin VCC connect VCC power supplys, No. 44 pin IP and H bridges electricity
Road IP interface connections, 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
Pin GND is grounded, and No. 48 pin P85 are connected with H-bridge circuit I/O interface, No. 49 interface EP ground connection.
6. a kind of sinusoidal control device without DC brushless motor suddenly as claimed in claim 5, it is characterised in that also including opening
Pass input circuit CON2, switch input circuit CON3 and switch input circuit CON6, No. 1 of the switch input circuit CON2
Wire jumper interface is connected by LIN interfaces with the BUS pins of MCU, No. 2 wire jumper mouths ground connection of CON2, the switch input circuit
No. 1 wire jumper mouth of CON3 is connected by TX interfaces with the PB6 pins of MCU, and No. 2 wire jumper mouths are by RX interfaces and the PB7 pins of MCU
Connection, No. 3 wire jumper mouth ground connection, No. 1 wire jumper mouth of the switch input circuit CON6 is connected with VCC power interfaces, No. 2 wire jumper mouths
It is connected with the NRST pins of MCU, No. 3 wire jumper mouths are connected with the TMODE pins of MCU, No. 4 wire jumper mouths connect with the PC0 pins of MCU
Connect, No. 5 wire jumper mouths are connected with the PC1 pins of MCU, No. 6 wire jumper mouth ground connection.
7. a kind of sinusoidal control device without DC brushless motor suddenly as claimed in claim 6, it is characterised in that MCU units
The pulse width of real-time regulation PWM, and the afterflow voltage that reaction potential is produced is acquired by multiple sampling windows, calculate
Go out the zero crossing of three-phase current phase place, so as to controlled motor can be rotated efficiently.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621012414.7U CN206164419U (en) | 2016-08-30 | 2016-08-30 | Sine does not have DC Brushless motor's controlling means suddenly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621012414.7U CN206164419U (en) | 2016-08-30 | 2016-08-30 | Sine does not have DC Brushless motor's controlling means suddenly |
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| CN206164419U true CN206164419U (en) | 2017-05-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208841A (en) * | 2016-08-30 | 2016-12-07 | 上海德麦电子科技有限公司 | A kind of sinusoidal control device without DC brushless motor suddenly |
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2016
- 2016-08-30 CN CN201621012414.7U patent/CN206164419U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106208841A (en) * | 2016-08-30 | 2016-12-07 | 上海德麦电子科技有限公司 | A kind of sinusoidal control device without DC brushless motor suddenly |
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