CN206099828U - Many grades of fast control circuit of brushless d. c. motor - Google Patents
Many grades of fast control circuit of brushless d. c. motor Download PDFInfo
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- CN206099828U CN206099828U CN201621113463.XU CN201621113463U CN206099828U CN 206099828 U CN206099828 U CN 206099828U CN 201621113463 U CN201621113463 U CN 201621113463U CN 206099828 U CN206099828 U CN 206099828U
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Abstract
The utility model discloses a many grades of fast control circuit of brushless d. C. Motor, including DC power supply, the JVM voltage stabilizing circuit that links to each other with DC power supply, prevent string stray light coupling and keep apart current amplification control relay switch circuit, with prevent string stray light coupling and keep apart the the control unit that transfers the files that current amplification control relay switch circuit links to each other, respectively with JVM voltage stabilizing circuit, prevent string stray light coupling and keep apart the optical coupling that current amplification control relay switch circuit links to each other and keep apart many grades of synthetic output circuit of fast instruction voltage of DFG, prevent that current amplification control relay switch circuit is kept apart in string stray light coupling, the optical coupling is kept apart many grades of synthetic output circuit of fast instruction voltage of DFG and is still linked to each other with brushless DC motor respectively. The utility model discloses a motor size is little, low in manufacturing cost, and long service life, the speed governing is simple and convenient, just according to the demand of difference, can adopt multiple speed governing means, and the gear setting is abundanter. The motor dead weight is low, and the noise is little, and is power consumptive low, efficient.
Description
Technical field
This utility model is related to home appliance field, and in particular to a kind of air conditioner, fan, air purifier, electric heater,
The multi gear speed change control circuit such as exhaust fan, electric fan with water cooling, more particularly to a kind of many notch speed control circuits of Brushless DC motor, also relate to
And using the d.c. motor of the circuit, and the electrical appliance using the motor, electrical equipment.
Background technology
The great majority such as air-conditioning, fan, air purifier, electric heater, exhaust fan, electric fan with water cooling machine of prior art are all adopted
Driven with alternating current generator, it needs several grades of different speed governing, to realize that alternating current generator there are several grades of speed governing, be all generally to adopt to change
Become motor coil brush number to realize, if need to increase more notch speeds and require that rotating speed is accurate, alternating current generator manufacture is more difficult.Manufacture
Alternating current generator need to steel copper material it is more, make body constitution also larger, weight is also heavier, alternating current generator generally all exist noise it is larger, consumption
The low shortcoming of electric more, efficiency.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and provide a kind of Brushless DC motor multi gear
Fast control circuit, possesses many notch speed functions of the same function of same alternating current generator and operation.
For achieving the above object, this utility model provides a kind of Brushless DC motor many notch speed control circuits, including：
DC source；
With DC source be connected JVM mu balanced circuits, anti-string interference optical coupling isolate Current amplifier control relay switch
Circuit；
Isolate the connected control unit of transferring the files of Current amplifier control relay on-off circuit with the anti-string interference optical coupling；
Isolate Current amplifier control relay on-off circuit phase with the JVM mu balanced circuits, anti-string interference optical coupling respectively
The many notch speed command voltages of optical coupling isolation DFG even synthesize output circuit；
The anti-string interference optical coupling isolation Current amplifier control relay on-off circuit, many notch speeds of optical coupling isolation DFG
Command voltage synthesis output circuit is also connected with brshless DC motor respectively.
Preferably, the anti-string interference optical coupling isolation Current amplifier control relay on-off circuit also accelerates electricity with starting
Volt circuit is connected, and the starting accelerating potential circuit is isolated many notch speed command voltages of DFG with the optical coupling and synthesizes output circuit
It is connected.
Preferably, the DC source is replaced by alternating current power supply and rectification circuit.
Preferably, brshless DC motor D negative inputs are connected with DC power cathode input,
The DFG speed commands end of brshless DC motor isolates PS4-4 feet, PS3-4 feet, PS2-4 with R1 resistance, PS optical couplings
Foot, PS1-4 feet, DW Zener diode negative poles, C3 electric capacity, the connection of R2 resistance, the other end and DC power cathode of DW, C3, R2
Input connection；
The other end that DFG speed commands end is connected with R1 resistance is connected with the foot of KJ relays normally-closed contact 1, and KJ relays are normal
The foot of closed contact 2 and the foot of KJ relay normally opens 4, the foot of KJ relay coils 8, R4 resistance, C1 electric capacity, JVM three-terminal voltage-stabilizing pipes input 1
Foot, the connection of power input FU current insurance silk；
Brshless DC motor is connected with the foot of KJ relay normally opens 3, and is connected with the DC power anode by KJ relays.
Preferably, the control unit of transferring the files includes IC single-chip microcomputers, SQP and touches signal input circuit and VD remote signals
Input circuit.
Preferably, SQP touches signal input circuit or VD remote controller signals input circuit and is input into respectively to control IC single-chip microcomputers
Function operation is instructed, and the foot of IC single-chip microcomputers 3 isolates the connection of 2 feet, the foot of IC single-chip microcomputers 4 and D2 with D1 diode cathodes and PS1 optical couplings
Diode cathode and PS2 optical couplings isolate the connection of 2 feet, and IC5 feet isolate the connection of 2 feet with D3 diode cathodes and PS3 optical couplings,
IC6 feet isolate the connection of 2 feet with D4 diode cathodes and PS4 optical couplings.
Preferably, the JVM mu balanced circuits are JVM three-terminal voltage-stabilizing pipes；
D1 diodes, D2 diodes, D3 diodes, the positive pole of D4 diodes are connected with the foot of PS5 optical couplings isolation circuit 2,
The foot of PS5 optical couplings isolation circuit 1 is connected with R5 resistance, the other end of R5 resistance and JVM three-terminal voltage-stabilizings pipe export 3 feet, C2 electric capacity,
R6 resistance, RW1 adjustable resistances, RW2 adjustable resistances, RW3 adjustable resistances, RW4 adjustable resistances, the connection of the foot of IC single-chip microcomputers 1, C2 is electric
Appearance, RW1 adjustable resistances, RW2 adjustable resistances, RW3 adjustable resistances, the other end of RW4 adjustable resistances and DC power cathode input
Connection, the R6 resistance other end is isolated 1 foot, PS2 optical couplings with PS1 optical couplings and isolates 1 foot, PS3 optical couplings 1 foot of isolation, PS4 optocouplers
Isolation 1 foot connection is closed, RW1 adjustable resistances midpoint isolates the connection of 3 feet, RW2 adjustable resistances midpoint and PS2 optocouplers with PS1 optical couplings
Isolation 3 feet connection is closed, RW3 adjustable resistances midpoint isolates the connection of 3 feet, RW4 adjustable resistances midpoint and PS4 optocouplers with PS3 optical couplings
Close isolation 3 feet connection.
Preferably, 4 feet of PS5 optical couplings isolation circuit are connected respectively with VT audion b base stages, R3 resistance, and R3 resistance is another
One end is connected with VT audion E emitter stages, DC power cathode, and VT audion C colelctor electrodes are connected with the foot of KJ relay coils 9.
Additionally, optionally, the control unit of transferring the files is controlled or using rotation using key switch
Button switch is controlled.
This utility model also provides a kind of d.c. motor, employs a kind of many notch speed control circuits of Brushless DC motor.
This utility model also provides a kind of electrical appliance, employs a kind of d.c. motor, and the d.c. motor is used as drive mechanism
Power is provided.It can be air-conditioning, fan, air purifier, electric heater, exhaust fan, electric fan with water cooling machine etc. that this has electrical appliance.
In this utility model, tri- sections of stabilivolts of JVM can also be referred to as JVM mu balanced circuits.
The beneficial effects of the utility model are：Motor size of the present utility model is little, low cost of manufacture, long service life,
Speed governing is easy, and according to different demands, various speed governing means, gear can be adopted to arrange and more enrich.Motor deadweight is low, makes an uproar
Sound is little, and power consumption is low, efficiency high.
Description of the drawings
Fig. 1 is the circuit block diagram of the embodiment of this utility model one；
Fig. 2 is the circuit block diagram of the embodiment micro computer Control Cooling of this utility model one, and micro computer can also be referred to as IC
Single-chip microcomputer；
Fig. 3 is the embodiment key switch Control Cooling circuit diagram of this utility model one；
Fig. 4 is rotary switch Control Cooling circuit diagram；
Reference：
Optical coupling isolation DFG is more, and notch speed command voltage synthesizes output circuit 1；
Start accelerating potential circuit 2；
Anti- string interference optical coupling isolation Current amplifier control relay on-off circuit 3；
DC source 4；
JVM mu balanced circuits 5；
Control unit of transferring the files 6；
Brshless DC motor 7.
In order to make it easy to understand, carrying out brief introduction to some components and parts used in this utility model：
The DC power anodes of D ten are input into
The DC power cathodes of D mono- are input into
DCAM Brushless DC motors, are also called brshless DC motor
The negative Brushless DC motor power cathode inputs of D
The positive Brushless DC motor positive source inputs of D
DFG Brushless DC motor speed command inputs
FU current insurance silks
R resistance
C electric capacity
VT transistors
KJ relays
JVM three-terminal voltage-stabilizing pipes
PS optical couplings are isolated
D diodes
RW adjustable resistances
DW Zener diodes
IC single chip control units
SQP touches signal input
VD remote controller signals are input into
KA button coupled switch
Ka manual rotary switches.
The realization of this utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element is represented to same or similar label eventually or the element with same or like function.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining this utility model, and it is not intended that to this utility model
Restriction.
With reference to Fig. 1, Fig. 1 summarizes circuit theory of the present utility model, specific as follows：A kind of Brushless DC motor is more
Notch speed control circuit, including DC source 4；With DC source 4 be connected JVM mu balanced circuits 5, it is anti-string interference optical coupling isolate electricity
Banish big control relay on-off circuit 3；Isolate Current amplifier control relay on-off circuit 3 with the anti-string interference optical coupling
Connected control unit 6 of transferring the files；Isolate Current amplifier control relay with the JVM mu balanced circuits 5, anti-string interference optical coupling respectively
The connected many notch speed command voltages of optical coupling isolation DFG of device on-off circuit 3 synthesize output circuit 1；The anti-string interference optical coupling
Isolation Current amplifier control relay on-off circuit 3, optical coupling isolation DFG is more, and notch speed command voltage synthesis output circuit 1 also divides
It is not connected with brshless DC motor 7.The anti-string interference optical coupling isolation Current amplifier control relay on-off circuit 3 also with rise
Dynamic accelerating potential circuit 2 is connected, and the starting accelerating potential circuit 2 is isolated many notch speed command voltages of DFG with the optical coupling and closed
It is connected into output circuit.
Circuit diagram components and parts annexation：DCAM Brushless DC motor D negative inputs connect with the input of the negative pole of mono- DC sources of D 4
Connect, DCAM Brushless DC motor DFG speed commands isolate with R1 resistance, PS optical couplings PS4-4 feet, PS3-4 feet, PS2-4 feet,
PS1-4 feet, DW Zener diode negative poles, C3 electric capacity, the connection of R2 resistance, the other end and the negative pole of mono- DC sources of D 4 of DW, C3, R2
Input connection, the other end that DFG speed commands are connected with R1 is connected with the foot of KJ relays normally-closed contact 1, and KJ relays are normally closed to be touched
Point 2 feet and the foot of KJ relay normally opens 4, the foot of KJ relay coils 8, R4 resistance, C1 electric capacity, the foot of JVM three-terminal voltage-stabilizing pipes input 1,
Power input FU current insurance silk connects, and the input of DCAM Brushless DC motor D positive supplies is connected with the foot of KJ relay normally opens 3.SQP
Touch signal input or the input of VD remote controller signals, each function operation instruction of control IC single machine unit, the foot of IC single-chip microcomputers 3 and D1
Diode cathode and PS1 optical couplings isolate the connection of 2 feet, and the foot of IC single-chip microcomputers 4 isolates 2 feet with D2 diode cathodes and PS2 optical couplings
Connection, IC5 feet isolate the connection of 2 feet, IC6 feet and D4 diode cathodes and PS4 optical couplings with D3 diode cathodes and PS3 optical couplings
Isolate the connection of 2 feet.D1, D2, D3, D4 diode cathode isolates the connection of 2 feet with PS5 optical couplings, and PS5 optical couplings isolate 1 foot and R5
Resistance connects, and the other end of R5 resistance and JVM three-terminal voltage-stabilizings pipe export 3 feet, C2 electric capacity, R6 resistance, RW1 adjustable resistances, RW2 can
Adjust resistance, RW3 adjustable resistances, RW4 adjustable resistances, the connection of the foot of IC single chip control units 1, C2 electric capacity, RW1 adjustable resistances, RW2
Adjustable resistance, RW3 adjustable resistances, the other end of RW4 adjustable resistances are connected with the input of the negative pole of mono- DC sources of D 4, and R6 resistance is another
End isolates 1 foot, PS2 optical couplings with PS1 optical couplings and isolates 1 foot, PS3 optical couplings 1 foot of isolation, the isolation 1 foot connection of PS4 optical couplings,
RW1 adjustable resistances midpoint isolates the connection of 3 feet with PS1 optical couplings, and RW2 adjustable resistances midpoint isolates the connection of 3 feet with PS2 optical couplings,
RW3 adjustable resistances midpoint isolates the connection of 3 feet with PS3 optical couplings, and RW4 adjustable resistances midpoint isolates the connection of 3 feet with PS4 optical couplings.
PS5 optical couplings are isolated 4 feet and are connected with VT audion b base stages, R3 resistance, the R3 resistance other end and VT audion E emitter stages, D mono-
The negative pole of DC source 4 connects, and VT audion C colelctor electrodes are connected with the foot of KJ relay coils 9.
Circuit diagram principle explanation：
DCAM Brushless DC motors operating Ge stops or changes speed, and by operation SQP signal inputs or VD remote controls are touched
Device signal input instruction IC single chip control unit work, when instruction IC single-chip microcomputers are to DCAM Brushless DC motor Gong Zuo Time, IC
One of foot just has negative voltage to export in the foot of single-chip microcomputer 3,4,5,6, if instruction IC single-chip microcomputers stop to DCAM Brushless DC motors
Only Gong Zuo Time, the foot of IC single-chip microcomputers 3,4,5,6 be without negative electricity output, the foot of IC single-chip microcomputers 3,4,5,6 PS1 respectively from different gears,
PS2, PS3, PS4 optical coupling isolates the connection of 2 feet, and PS1, PS2, PS3, PS4 optical coupling of different gears isolates 1 foot and R6 current limlitings electricity
Resistance connection, the R6 current-limiting resistances other end is connected with the output of the foot positive voltage of JVM three-terminal voltage-stabilizings pipe 3.
Example sets；The output of the foot of IC monolithics 3 is high-grade, and the output of the foot of IC monolithics 4 is middle gear, and the output of the foot of IC monolithics 5 is slow shelves, and IC is mono-
The output of the foot of piece 6 is sleep gear, and existing high-grade work, the foot of IC single-chip microcomputers 3 just has negative voltage to export, and it isolates 2 feet company with PS1 optical couplings
Connect, PS1 optical couplings isolate the R6 current-limiting resistances of 1 foot connection, and the other end of R6 current-limiting resistances is with the foot positive electricity of JVM three-terminal voltage-stabilizings pipe 3
Pressure connection, PS1 optical couplings isolate 1,2 feet produce loop current, PS1 optical couplings isolate 3,4 feet will one-way conduction, the ends of JVM tri-
The positive voltage connection RW1 adjustable resistances of the foot of stabilivolt 3 output, changing the resistance of RW1 adjustable resistances can change the isolation of PS1 optical couplings
The positive voltage variation of 4 feet, PS1 optical couplings isolate 4 feet to be connected with DCAM Brushless DC motor DFG speed commands, and DCAM is brushless
D.c. motor DFG speed commands obtain the command voltage of high-grade speed, and DCAM Brushless DC motors work into high notch speed.Adjustment
RW adjustable electrics resistance can change DCAM Brushless DC motor rotating speeds
The work of DCAM Brushless DC motors also needs switch connection DC source 4, and again current amplification circuit controls KJ to the switch
Relay switch is realized.
Example sets；When IC single-chip microcomputers receive work order, no matter that notch speed work of IC single-chip microcomputers, IC single-chip microcomputers 3,4,5,6
One of shelves have the output of negative voltage in foot shelves, the negative voltage can pass through anti-string interference diode D1, D2, D3,
One in D4 is to isolate the connection of 2 feet with PS5 optical couplings, and PS5 optical couplings are isolated 1 foot and are connected with current-limiting resistance R5, current limliting electricity
The other end of resistance R5 is connected with the foot of JVM three-terminal voltage-stabilizings pipe 3 output anelectrode, so that PS5 optical couplings isolate 2,1 foot produces loop
Electric current, PS5 optical couplings isolate 3,4 feet will one-way conduction, VT audion b base stages obtain from the positive pole of ten DC sources of D 4 be input into
Connection FU current insurances silk connection current limliting R4 resistance connection PS5 optical couplings isolate the DC voltage that 3,4 feet are sent, now, VT tri-
Pole pipe E pole and VT audion C poles turn on, and KJ relay coils obtain voltage, and KJ relays 1,2 feet are normally closed to be changed into normally opened, 3,4 feet
Normally opened to be changed into normally closed conducting, the D of DCAM Brushless DC motors is just obtaining the control source of ten DC sources of D 4, DCAM brushless direct-current horses
Up to operation.(R3 resistance is the biasing resistor of VT audion b base stages, adjusts VT audion Current amplifier gains, improves VT tri-
The stability of pole pipe)
In order that DCAM Brushless DC motors can normally start under the load of low shelves at a slow speed, spy's increasing is provided with one and rises
Dynamic accelerating potential, again R1, R2 resistance, C3 electric capacity, DW stabilivolts are constituted the starting accelerating potential, when DCAM Brushless DC motor works
Before work, the positive pole of ten DC sources of D 4 input connection FU current-limiting fuse connection KJ relays normally closed switch 2,1 foot are connected to R1 limits
Leakage resistance, the R1 current-limiting resistance other ends are connected to the defeated end of speed command of DFG Brushless DC motors, DCAM Brushless DC motors
DFG speed command inputs have obtained a high potential positive voltage as starting voltage, and the high-potential voltage passes through C3 electric capacity Chu
Leave and, it is defeated in DFG speed commands in order to prevent the high-potential voltage to be input into ceiling voltage design load more than DFG speed commands
Enter to add DW Zener diodes.As DCAM Brushless DC motor Gong Zuo Time, KJ relay switches 1,2 feet are changed into not leading from conducting
Logical, the input of DFG speed commands just cannot be from the accelerating potential of R1, and this accelerating potential is produced by the electric discharge of C3 electric capacity, is adjusted
Whole C3 capacitances are adjustable to start accelerating velocity and time.(R2 is DFG speed commands input biasing shunt resistance, also can be saved)
Chain coupled switch circuit is pressed in DCAM Brushless DC motor multi gear speed governing, refers to Fig. 3, and kA is button coupled switch,
K3, k4, k5, k6 are high, medium and low, slow variable block speed-regulating switch keys, and kAo is that neutral gear reset interlocks key.Wherein, KA switching characteristics are same
Conventional Ian speed governing variable block key switch is the same.
DCAM brushless direct-current horse Da multi gear speed governing manual rotary switch circuits, refer to Fig. 4, Ka；It is manual rotary switch,
K3, k4, k5, k6 are high, medium and low, slow manual rotation speed-regulating switch, and kao is manual rotary switch neutral gear.Ka switching characteristics are with often
Rule ceiling fan manual rotation speed-regulating switch is the same.
This circuit is the same with IC single chip control units with kA buttons coupled switch or Ka manual rotary switches, can be to DCAM
Brushless direct-current horse Da carries out multi gear speed and transfers the files.3,4,5,6 feet of the IC of IC single chip machine controlling circuit figures are also high, medium and low, slow
Shelves.IC single chip control units use intelligent semiconductor switch, and KA buttons coupled switch and Ka manual rotary switches are to use
Manually-operated hard contact connecting valve.
This utility model also provides a kind of d.c. motor, employs a kind of many notch speed control circuits of Brushless DC motor.
This utility model also provides a kind of electrical appliance, employs a kind of d.c. motor, and the d.c. motor is used as drive mechanism
Power is provided.It can be air-conditioning, fan, air purifier, electric heater, exhaust fan, electric fan with water cooling machine etc. that this has electrical appliance.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to restriction of the present utility model, one of ordinary skill in the art is without departing from this utility model
Principle and objective in the case of above-described embodiment can be changed in the range of this utility model, change, replace and
Modification.
Claims (8)
1. many notch speed control circuits of a kind of Brushless DC motor, it is characterised in that include：
DC source；
With DC source be connected JVM mu balanced circuits, anti-string interference optical coupling isolate Current amplifier control relay on-off circuit；
Isolate the connected control unit of transferring the files of Current amplifier control relay on-off circuit with the anti-string interference optical coupling；
Isolate what Current amplifier control relay on-off circuit was connected with the JVM mu balanced circuits, anti-string interference optical coupling respectively
Optical coupling isolation DFG is more, and notch speed command voltage synthesizes output circuit；
The anti-string interference optical coupling isolation Current amplifier control relay on-off circuit, many notch speed instructions of optical coupling isolation DFG
Voltage synthesis output circuit is also connected with brshless DC motor respectively.
2. many notch speed control circuits of Brushless DC motor according to claim 1, it is characterised in that the anti-string interference light
Coupling isolation Current amplifier control relay on-off circuit is also connected with starting accelerating potential circuit, the starting accelerating potential electricity
Road isolates many notch speed command voltage synthesis output circuits of DFG with the optical coupling and is connected.
3. many notch speed control circuits of Brushless DC motor according to claim 1, it is characterised in that the DC source by
Alternating current power supply replaces with rectification circuit.
4. many notch speed control circuits of Brushless DC motor according to claim 1, it is characterised in that
Brshless DC motor D negative inputs are connected with DC power cathode input,
The DFG speed commands end of brshless DC motor isolate with R1 resistance, PS optical couplings PS4-4 feet, PS3-4 feet, PS2-4 feet,
PS1-4 feet, DW Zener diode negative poles, C3 electric capacity, the connection of R2 resistance, the other end of DW, C3, R2 and DC power cathode are input into
Connection；
The other end that DFG speed commands end is connected with R1 resistance is connected with the foot of KJ relays normally-closed contact 1, and KJ relays are normally closed to be touched
Point 2 feet and the foot of KJ relay normally opens 4, the foot of KJ relay coils 8, R4 resistance, C1 electric capacity, the foot of JVM three-terminal voltage-stabilizing pipes input 1,
Power input FU current insurance silk connects；
Brshless DC motor is connected with the foot of KJ relay normally opens 3, and is connected with the DC power anode by KJ relays.
5. many notch speed control circuits of Brushless DC motor according to claim 4, it is characterised in that
The control unit of transferring the files includes IC single-chip microcomputers, SQP and touches signal input circuit and VD remote signal input circuits.
6. many notch speed control circuits of Brushless DC motor according to claim 5, it is characterised in that
SQP touches signal input circuit or VD remote controller signals input circuit and refers to each function operation of control IC single-chip microcomputer inputs
Order, the foot of IC single-chip microcomputers 3 isolates the connection of 2 feet, the foot of IC single-chip microcomputers 4 and D2 diode cathodes with D1 diode cathodes and PS1 optical couplings
Isolate the connection of 2 feet with PS2 optical couplings, IC5 feet isolate the connection of 2 feet, IC6 feet and D4 bis- with D3 diode cathodes and PS3 optical couplings
Pole pipe negative pole and PS4 optical couplings isolate the connection of 2 feet.
7. many notch speed control circuits of Brushless DC motor according to claim 6, it is characterised in that
The JVM mu balanced circuits are JVM three-terminal voltage-stabilizing pipes；
D1 diodes, D2 diodes, D3 diodes, the positive pole of D4 diodes are connected with the foot of PS5 optical couplings isolation circuit 2, PS5 light
The coupling foot of isolation circuit 1 is connected with R5 resistance, and the other end of R5 resistance is electric with JVM three-terminal voltage-stabilizings pipe 3 feet of output, C2 electric capacity, R6
Resistance, RW1 adjustable resistances, RW2 adjustable resistances, RW3 adjustable resistances, RW4 adjustable resistances, the connection of the foot of IC single-chip microcomputers 1, C2 electric capacity, RW1
Adjustable resistance, RW2 adjustable resistances, RW3 adjustable resistances, the other end of RW4 adjustable resistances are connected with DC power cathode input, R6
The resistance other end is isolated 1 foot, PS2 optical couplings with PS1 optical couplings and isolates 1 foot, PS3 optical couplings 1 foot of isolation, PS4 optical couplings isolation 1
Foot connects, and RW1 adjustable resistances midpoint isolates the connection of 3 feet with PS1 optical couplings, and RW2 adjustable resistances midpoint isolates 3 with PS2 optical couplings
Foot connects, and RW3 adjustable resistances midpoint isolates the connection of 3 feet with PS3 optical couplings, and RW4 adjustable resistances midpoint isolates 3 with PS4 optical couplings
Foot connects.
8. many notch speed control circuits of Brushless DC motor according to claim 7, it is characterised in that
4 feet of PS5 optical coupling isolation circuits are connected respectively with VT audion b base stages, R3 resistance, the R3 resistance other end and the poles of VT tri-
Pipe E emitter stages, DC power cathode connection, VT audion C colelctor electrodes are connected with the foot of KJ relay coils 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113463.XU CN206099828U (en) | 2016-10-10 | 2016-10-10 | Many grades of fast control circuit of brushless d. c. motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621113463.XU CN206099828U (en) | 2016-10-10 | 2016-10-10 | Many grades of fast control circuit of brushless d. c. motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206099828U true CN206099828U (en) | 2017-04-12 |
Family
ID=60413936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621113463.XU Active CN206099828U (en) | 2016-10-10 | 2016-10-10 | Many grades of fast control circuit of brushless d. c. motor |
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| Country | Link |
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| CN (1) | CN206099828U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106357175A (en) * | 2016-10-10 | 2017-01-25 | 广东顺德锐铂汇电子科技有限公司 | Multi-shift control circuit of blushless direct current motor |
-
2016
- 2016-10-10 CN CN201621113463.XU patent/CN206099828U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106357175A (en) * | 2016-10-10 | 2017-01-25 | 广东顺德锐铂汇电子科技有限公司 | Multi-shift control circuit of blushless direct current motor |
| CN106357175B (en) * | 2016-10-10 | 2023-04-21 | 广东顺德锐铂汇电子科技有限公司 | Multi-gear speed control circuit of brushless DC motor |
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Address after: No.46-9, Longyong Avenue, Huanglong village, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee after: GUANGDONG SHUNDE RUIBOHUI ELECTRONICS TECHNOLOGY CO.,LTD. Address before: 528300 floor 1, building F, Guangdong Industrial Design City, No. 1, Sanle Road North, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee before: GUANGDONG SHUNDE RUIBOHUI ELECTRONICS TECHNOLOGY CO.,LTD. |