CN205559344U - Fan motor drive circuit - Google Patents
Fan motor drive circuit Download PDFInfo
- Publication number
- CN205559344U CN205559344U CN201620373971.5U CN201620373971U CN205559344U CN 205559344 U CN205559344 U CN 205559344U CN 201620373971 U CN201620373971 U CN 201620373971U CN 205559344 U CN205559344 U CN 205559344U
- Authority
- CN
- China
- Prior art keywords
- resistance
- circuit
- connects
- drive circuit
- oxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model relates to a fan motor drive circuit, including reduction voltage circuit, single -chip control circuit, hall sensor circuit, IC drive circuit, MOS power module, speed governing input converting circuit and signal output circuit, reduction voltage circuit and external power source input connection, IC drive circuit and single -chip control circuit all with step -down circuit connection, speed governing input converting circuit and signal output circuit all are connected with single -chip control circuit, MOS power module and hall sensor circuit all are connected with IC drive circuit, and single -chip control circuit still is connected with IC drive circuit, speed governing input converting circuit is used for inputing speed governing signal to single -chip control circuit. The utility model discloses can receive hall sensor or IC drive circuit's self FG signal, the loop -locked control of possible rotational speed realizes invariable rotational speed. In addition, signal or the hall sensor signal of single -chip control circuit through detecting IC drive circuit can offer the user with fan motor's various status signal.
Description
Technical field
This utility model relates to a kind of fan motor drive circuit.
Background technology
The most much it is sinusoidal drive IC or the FOC of fan motor
(field-oriented control, magnetic field polygon control survey) drives IC, as well-known
A5943, A5941 etc. of Al legro company.But the mode of speed regulation of these drivings IC is all
Open loop, i.e. rotating speed is controlled by the change of voltage, and voltage raises, and rotating speed raises, and noise also increases
Add, the specific mode of speed regulation of client, fan under dutycycle as specific in certain cannot be adapted to simultaneously
Stall, or maintain one section of relatively low speed；And these drive IC soft start function the best,
Such as A5943, A5941, toggle speed is very fast, and immediate current is big, the power supply to client
Power surges is big, also cannot accomplish the signal output function that client specifies, such as fan motor simultaneously
Conventional RD stppage alarm output and LD life-span alarm etc..
Utility model content
For above-mentioned technical problem, the purpose of this utility model is to provide a kind of fan motor to drive
Galvanic electricity road, it can accomplish speed closed loop control, it is achieved constant rotational speed.
For achieving the above object, this utility model adopts the following technical scheme that
Fan motor drive circuit, including reduction voltage circuit, single chip machine controlling circuit, hall sensing
Device circuit, IC drive circuit, MOS power model, speed governing input change-over circuit and signal output
Circuit；Described reduction voltage circuit is connected with external power source input, described IC drive circuit and monolithic
Machine control circuit is all connected with reduction voltage circuit；Described speed governing input change-over circuit and signal output electricity
Lu Junyu single chip machine controlling circuit connects；Described MOS power model and Hall element circuit are equal
Being connected with IC drive circuit, described single chip machine controlling circuit is also connected with IC drive circuit；Institute
State speed governing input change-over circuit for inputting speed-regulating signal to single chip machine controlling circuit；Signal exports
Circuit is for exporting the output signal from single chip machine controlling circuit to outside reception circuit；
Described Hall element circuit is used for detecting magnetic north-south, and sends field signal and drive to IC
Galvanic electricity road；Described IC drive circuit is for driving leading of MOS power model according to field signal
Lead to or close.
Preferably, speed governing input change-over circuit include resistance R1 to resistance R6, audion Q1,
Electric capacity C1, diode D1 and speed governing input interface, one end of described resistance R1, resistance R2
One end and one end of resistance R3 be all connected with speed governing input interface, another of described resistance R1
One end of end and resistance R4 is all connected with the outfan of reduction voltage circuit；The other end of resistance R3,
One end of the other end of resistance R4, one end of resistance R5 and resistance R6 is all with audion Q1's
Colelctor electrode connects, and the base stage of the other end connecting triode Q1 of resistance R2, resistance R5's is another
The negative pole of one end, one end of electric capacity C1 and diode D1 is all connected with single chip machine controlling circuit；
The other end of described resistance R6, the other end of electric capacity C1, the other end of diode D1 and three
The equal ground connection of emitter stage of pole pipe Q1.
Preferably, described single chip machine controlling circuit includes controller U1, resistance R7 and resistance R8,
The speed governing pin of described controller U1 is connected with the negative pole of diode D1；The confession of controller U1
Electricity pin is connected with the outfan of reduction voltage circuit；The feedback pin of controller U1 connects IC and drives
The feedback end of circuit；The pin that controls of controller U1 connects the control end of IC drive circuit；Control
The output pin of device U1 processed connects the input of signal output apparatus；The stall of controller U1 is drawn
Foot connects the stall end of IC drive circuit by resistance R7；The control pin of controller U1 is also
By resistance R8 ground connection；The positive and negative pin of controller U1 connects the positive opposite ends of IC drive circuit.
Preferably, the model of described controller U1 is PIC16F1503.
Preferably, described Hall element circuit includes that the first Hall element, the second Hall pass
Sensor, the 3rd Hall element, resistance R9 to resistance R14, electric capacity C2 to electric capacity C4, institute
The one end stating the first Hall element is connected with the outfan of reduction voltage circuit by resistance R9, the
One end of two Hall elements is connected with the outfan of reduction voltage circuit by resistance R10, and the 3rd suddenly
One end of your sensor is connected with the outfan of reduction voltage circuit by resistance R11, resistance R12's
One end of one end, one end of resistance R13 and resistance R14 is all connected with the outfan of reduction voltage circuit,
The other end of the other end of resistance R12, one end of electric capacity C2 and the first Hall element all with
First sensor ends of IC drive circuit connects；The other end of resistance R13, one end of electric capacity C3
All it is connected with the second sensor ends of IC drive circuit with the other end of the second Hall element；Electricity
The resistance other end of R14, one end of electric capacity C4 and the 3rd Hall element the other end all and IC
3rd sensor ends of drive circuit connects；The ground end of the first Hall element and electric capacity C2's is another
The equal ground connection in one end, the ground end of the second Hall element and the equal ground connection of the other end of electric capacity C3, the
The ground end of three Hall elements and the equal ground connection of the other end of electric capacity C4.
Preferably, described first Hall element, the second Hall element and the 3rd hall sensing
The model of device is MH182.
Preferably, described IC drive circuit includes that driving chip U2, resistance R15 are to resistance R20；
First sensor ends of described driving chip U2 is connected with one end of electric capacity C2, driving chip U2
The second sensor ends be connected with one end of electric capacity C3, the 3rd sensor ends of driving chip U2 with electricity
The one end holding C4 connects；The positive opposite ends of driving chip U2 connects controller by resistance R15
The positive and negative pin of U1；The stall end of driving chip U2 connects the stall pin of controller U1；
The positive opposite ends of driving chip U2 is connected by the reference edge of resistance R16 and driving chip U2, drives
The fault end of dynamic chip U2 is connected by the reference edge of resistance R17 and driving chip U2；Drive
Dynamic chip U2 controls the control pin that end connects controller U1 by resistance R18；Resistance
One end of R19 connects the outfan of reduction voltage circuit, the other end of resistance R19 and resistance R20's
One end all power ends with driving chip U2 are connected；The other end of resistance R20 connects external electrical
Source inputs；The outfan of driving chip U2 connects MOS power model；Driving chip U2's is anti-
Feedback end connects the feedback pin of controller U1.
Preferably, described MOS power model include the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the 3rd
Metal-oxide-semiconductor, the 4th metal-oxide-semiconductor, the 5th MOS pass, the 6th metal-oxide-semiconductor, resistance R21 to resistance R24,
Electric capacity C5；The grid of described first metal-oxide-semiconductor connects first high level output of driving chip U2
End, the grid of the second metal-oxide-semiconductor connects the first low level output end of driving chip U2；3rd
The grid of metal-oxide-semiconductor connects the second high level output end of driving chip U2, the 4th metal-oxide-semiconductor
Grid connects the second low level output end of driving chip U2；The grid of the 5th metal-oxide-semiconductor connects
The three-hypers level output end of driving chip U2, the grid of the 6th metal-oxide-semiconductor connects driving chip
The 3rd low level output end of U2；The drain electrode of the first metal-oxide-semiconductor, the drain electrode of the 3rd metal-oxide-semiconductor and
The drain electrode of the 5th metal-oxide-semiconductor is all connected with external power source input；The source electrode of the first metal-oxide-semiconductor connects the
The drain electrode of two metal-oxide-semiconductors, the drain electrode of source electrode connection the 4th metal-oxide-semiconductor of the 3rd metal-oxide-semiconductor, the 5th
The source electrode of metal-oxide-semiconductor connects the drain electrode of the 6th metal-oxide-semiconductor, the source electrode of the second metal-oxide-semiconductor, the 4th MOS
The source electrode of pipe, the source electrode of the 6th metal-oxide-semiconductor, one end of resistance R21, one end of resistance R22,
All one end with resistance R24, one end of resistance R23 are connected, the other end of resistance R21, resistance
The other end of R22 and the equal ground connection of the other end of resistance R23, the other end of resistance R24 is by electricity
Hold C5 ground connection.
Preferably, described signal output apparatus includes audion Q2, resistance R25, resistance R26,
One end of described resistance R25 connects the output pin of controller U1, the other end of resistance R25
The base stage of connecting triode Q2, one end of resistance R26 and the colelctor electrode of audion Q2 are all connected with
Outside reception circuit, the grounded emitter of audion Q2, the other end of resistance R26 connects
The outfan of blood pressure lowering chip.
Preferably, described reduction voltage circuit includes audion Q3, resistance R27, resistance R28, electricity
Resistance R29, diode D2, diode D3, electric capacity C6 and blood pressure lowering chip, described diode D2
Positive pole be connected with external input power, one end of resistance R27, one end of resistance R28 and electricity
One end all negative poles with diode D2 of resistance R29 are connected, the other end of resistance R27 and resistance
The colelctor electrode of the other end connecting triode Q3 of R28, the other end of resistance R29 and diode
The base stage of the negative pole connecting triode Q3 of D3, the emitter stage of audion Q3 connects blood pressure lowering chip
Input, one end of the outfan of blood pressure lowering chip and electric capacity C6 connects, the ground of blood pressure lowering chip
End and the equal ground connection of positive pole of diode D3；The energization pins of described controller U1, resistance R1
The other end, the other end of resistance R26, resistance R12 one end all with the output of blood pressure lowering chip
End connects；One end of resistance R19 is connected with the emitter stage of audion Q3.
Compared to existing technology, the beneficial effects of the utility model are:
By single chip machine controlling circuit, this utility model is able to receive that Hall element or IC drive
The FG signal on galvanic electricity road self, can accomplish the control of speed closed loop, it is achieved constant rotational speed.
It addition, single chip machine controlling circuit is believed by signal or the Hall element of detection IC drive circuit
Number, the various status signals of fan motor can be supplied to user.
Accompanying drawing explanation
Fig. 1 is function structure chart of the present utility model；
Fig. 2 is the circuit structure diagram of speed governing of the present utility model input change-over circuit；
Fig. 3 is the circuit structure diagram of single chip machine controlling circuit of the present utility model；
Fig. 4 is the circuit structure diagram of Hall element circuit of the present utility model；
Fig. 5 is the circuit structure diagram of IC drive circuit of the present utility model；
Fig. 6 is the circuit structure diagram of the MOS power model of IC drive circuit of the present utility model；
Fig. 7 is the circuit structure diagram of signal output apparatus of the present utility model；
Fig. 8 is the circuit structure diagram of reduction voltage circuit of the present utility model.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, this utility model is described further:
Seeing Fig. 1, this utility model provides a kind of fan motor drive circuit, and it includes blood pressure lowering
Circuit, single chip machine controlling circuit, Hall element circuit, IC drive circuit, MOS power mould
Block, speed governing input change-over circuit and signal output apparatus；Described reduction voltage circuit is defeated with external power source
Entering to connect, described IC drive circuit and single chip machine controlling circuit are all connected with reduction voltage circuit；Institute
State speed governing input change-over circuit and signal output apparatus is all connected with single chip machine controlling circuit；Described
MOS power model and Hall element circuit are all connected with IC drive circuit, described single-chip microcomputer
Control circuit is also connected with IC drive circuit；Speed governing input change-over circuit can connect outside
Client, speed governing input change-over circuit is used for inputting speed-regulating signal to single chip machine controlling circuit, should
The input of speed-regulating signal is from client；Signal output apparatus is used for will be from Single-chip Controlling electricity
The output signal on road exports the reception circuit to external client；Described Hall element circuit is used
In detection magnetic north-south, and send field signal to IC drive circuit；Described IC drives electricity
Road for driving the on and off of MOS power model according to field signal.
The voltage inputted from external power source is carried out blood pressure lowering process by reduction voltage circuit, output 15V's
Voltage supply IC drive circuit, afterwards this voltage of 15 blood pressure lowering chip in reduction voltage circuit
It is processed as the voltage supply single chip machine controlling circuit etc. of 5V.
The rotating speed of fan motor can be adjusted by user by speed governing input change-over circuit, this tune
Joint signal is sent to single chip machine controlling circuit by speed governing input change-over circuit.MOS power model bag
Including three groups of metal-oxide-semiconductors, each group has two metal-oxide-semiconductors.IC drive circuit is according to hall sensing
The field signal that device is sent controls the on and off of its corresponding metal-oxide-semiconductor, it practice,
The signal of Hall element be sent to IC drive circuit is low and high level.
Concrete, see Fig. 2, speed governing input change-over circuit include resistance R1 to resistance R6,
Audion Q1, electric capacity C1, diode D1 and speed governing input interface, the one of described resistance R1
One end of end, one end of resistance R2 and resistance R3 is all connected with speed governing input interface PWM, institute
One end of the other end and resistance R4 of stating resistance R1 is all connected with the outfan of reduction voltage circuit；Electricity
The resistance other end of R3, the other end of resistance R4, one end of resistance R5 and one end of resistance R6
All colelctor electrodes with audion Q1 are connected, the base of the other end connecting triode Q1 of resistance R2
Pole, the negative pole of the other end of resistance R5, one end of electric capacity C1 and diode D1 is all and monolithic
Machine control circuit connects；The other end of described resistance R6, the other end of electric capacity C1, diode
The other end of D1 and the equal ground connection of emitter stage of audion Q1.User can pass through speed governing input interface
Carry out the regulation of rotating speed.
Seeing Fig. 3, single chip machine controlling circuit includes controller U1, resistance R7 and resistance R8,
The negative pole of speed governing pin PWMIN and the diode D1 of described controller U1 is connected；Controller
Energization pins VDD of U1 is connected with the outfan of reduction voltage circuit；The feedback pin of controller U1
H1 connects the feedback end of IC drive circuit；The control pin CON of controller U1 connects IC and drives
The control end on galvanic electricity road；The output pin FG of controller U1 connects the input of signal output apparatus
End；The stall pin Brake of controller U1 connects stopping of IC drive circuit by resistance R7
Turn end；The control pin CON of controller U1 is also by resistance R8 ground connection；Controller U1's
Positive and negative pin CW/CCW connects the positive opposite ends of IC drive circuit.When user is turned by speed governing input
Changing circuit one rotating speed of input, single chip machine controlling circuit then controls IC drive circuit to change rotating speed
Driving fan motor, but in actual motion, IC drive circuit can not the most just can be by wind
The rotational speed regulation of fan motor is setting value, and now, IC drive circuit passes through feedback end H1 and control
The feedback pin of device U1 processed connects, in the case of other, it is also possible to IC drive circuit passes through a road
Hall sensing circuit is connected with the feedback pin of controller U1, and constantly feedback tach signal is given
Single chip machine controlling circuit, thus whether single chip machine controlling circuit judges the rotating speed of fan motor this moment
Reaching setting value, if not up to, then single chip machine controlling circuit constantly sends by controlling pin
Signal, to IC drive circuit, shows fan motor until the signal fed back to from IC drive circuit
Rotating speed reach setting value, then IC drive circuit control fan motor transport with current rotating speed
Turn.The stall pin Brake of controller U1 is used for quick stall.The output of controller U1 is drawn
The signal that IC drive circuit is fed back is fed back to user by signal output apparatus by foot FG.
Wherein, controller U1 can be the single-chip microcomputer of Multiple Type, for example, PIC16F1503,
78F8202 of PIC12F1501, NEC etc..
Seeing Fig. 4, Hall element circuit includes that the first Hall element M1, the second Hall pass
Sensor M2, the 3rd Hall element M3, resistance R9 to resistance R14, electric capacity C2 are to electric capacity
C4, one end of described first Hall element M1 is by the outfan of resistance R9 with reduction voltage circuit
Connecting, one end of the second Hall element M2 is by the outfan of resistance R10 with reduction voltage circuit
Connecting, one end of the 3rd Hall element M3 is by the outfan of resistance R11 with reduction voltage circuit
Connecting, one end of one end of resistance R12, one end of resistance R13 and resistance R14 is all and blood pressure lowering
The outfan of circuit connects, the other end of resistance R12, one end of electric capacity C2 and the first Hall
The other end of sensor M1 is all connected with the first sensor ends of IC drive circuit；Resistance R13's
The other end of the other end, one end of electric capacity C3 and the second Hall element M2 all drives with IC
Second sensor ends of circuit connects；The other end of resistance R14, one end of electric capacity C4 and the 3rd
The other end of Hall element M3 is all connected with the 3rd sensor ends of IC drive circuit；First suddenly
The ground end of you sensor M1 and the equal ground connection of the other end of electric capacity C2, the second Hall element M2
Ground end and the equal ground connection of the other end of electric capacity C3, the ground end of the 3rd Hall element M3 and electric capacity
The equal ground connection of the other end of C4.First Hall element M1, the second Hall element M2 and the 3rd
The model of Hall element M3 is MH182.
See Fig. 5, IC drive circuit and include that driving chip U2, resistance R15 are to resistance R20；
First sensor ends HA of described driving chip U2 is connected with one end of electric capacity C2, driving chip
Second sensor ends HB of U2 is connected with one end of electric capacity C3, the 3rd sensing of driving chip U2
One end of end HC and electric capacity C4 is connected；Positive opposite ends DIR of driving chip U2 passes through resistance R15
Connect the positive and negative pin CW/CCW of controller U1；The stall end BARKE of driving chip U2 is even
Meet the stall pin Brake of controller U1；Positive opposite ends DIR of driving chip U2 is also by electricity
The reference edge VREF of resistance R16 and driving chip U2 is connected, the fault end of driving chip U2
NFAULT is connected by the reference edge VREF of resistance R17 and driving chip U2；Driving chip
The control end SPD of U2 connects the control pin CON of controller U1 by resistance R18；Resistance
One end of R19 connects the outfan of reduction voltage circuit, the other end of resistance R19 and resistance R20's
One end is all connected with the power end VBB of driving chip U2；Outside the other end of resistance R20 connects
Portion power supply input VIN；The outfan of driving chip U2 connects MOS power model；Drive core
The feedback end FG of sheet U2 connects feedback pin H1 of controller U1.
See Fig. 6, MOS power model include the first metal-oxide-semiconductor N1, the second metal-oxide-semiconductor N2,
Three metal-oxide-semiconductor N3, the 4th metal-oxide-semiconductor N4, the 5th metal-oxide-semiconductor N5, the 6th metal-oxide-semiconductor N6, resistance
R21 to resistance R24, electric capacity C5；The grid of described first metal-oxide-semiconductor N1 connects driving chip
The grid of the first high level output end GHA of U2, the second metal-oxide-semiconductor N2 connects driving chip U2
The first low level output end GLA；The grid of the 3rd metal-oxide-semiconductor N3 connects driving chip U2's
The grid of the second high level output end GHB, the 4th metal-oxide-semiconductor N4 connects the of driving chip U2
Two low level output end GLB；The grid of the 5th metal-oxide-semiconductor N5 connects the 3rd of driving chip U2
The 3rd of the grid connection driving chip U2 of high level output end GHC, the 6th metal-oxide-semiconductor N6 is low
Level output end GLC；The drain electrode of the first metal-oxide-semiconductor N1, the drain electrode of the 3rd metal-oxide-semiconductor N3 and
The drain electrode of five metal-oxide-semiconductor N5 is all connected with external power source input VIN；The source of the first metal-oxide-semiconductor N1
Pole connects the drain electrode of the second metal-oxide-semiconductor N2, and the source electrode of the 3rd metal-oxide-semiconductor N3 connects the 4th metal-oxide-semiconductor
The drain electrode of N4, the drain electrode of source electrode connection the 6th metal-oxide-semiconductor N6 of the 5th metal-oxide-semiconductor N5, second
The source electrode of metal-oxide-semiconductor N2, the source electrode of the 4th metal-oxide-semiconductor N4, the source electrode of the 6th metal-oxide-semiconductor N6,
One end of resistance R21, one end of resistance R22, resistance R23 one end all with resistance R24's
One end connects, the other end of resistance R21, another of the other end of resistance R22 and resistance R23
Holding equal ground connection, the other end of resistance R24 passes through electric capacity C5 ground connection.
Seeing Fig. 7, signal output apparatus includes audion Q2, resistance R25, resistance R26,
One end of described resistance R25 connects another of the output pin FG, resistance R25 of controller U1
The base stage of end connecting triode Q2, one end of resistance R26 and the colelctor electrode of audion Q2 all connect
Connect the reception circuit S of outside, the grounded emitter of audion Q2, the other end of resistance R26
Connect the outfan of blood pressure lowering chip.
Seeing Fig. 8, reduction voltage circuit includes audion Q3, resistance R27, resistance R28, resistance
R29, diode D2, diode D3, electric capacity C6 and blood pressure lowering chip U3, described diode D2
Positive pole be connected with external input power VIN, one end of resistance R27, one end of resistance R28
All negative poles with diode D2 are connected with one end of resistance R29, the other end of resistance R27 and
The colelctor electrode of the other end connecting triode Q3 of resistance R28, the other end of resistance R29 and two
The base stage of the negative pole connecting triode Q3 of pole pipe D3, the emitter stage of audion Q3 connects blood pressure lowering
The input of chip U3, the outfan of blood pressure lowering chip U3 and one end of electric capacity C6 connect, fall
The ground end of pressure chip U3 and the equal ground connection of positive pole of diode D3；The power supply of described controller U1
Pin, the other end of resistance R1, the other end of resistance R26, resistance R12 one end all with
The outfan of blood pressure lowering chip connects；One end of resistance R19 is connected with the emitter stage of audion Q3.
The model of blood pressure lowering chip U3 can be selected for as CJ7805.
It will be apparent to those skilled in the art that can technical scheme as described above and structure
Think, make other various corresponding changes and deformation, and all these changes and deformation
Within all should belonging to this utility model scope of the claims.
Claims (10)
1. fan motor drive circuit, it is characterised in that include reduction voltage circuit, Single-chip Controlling
Circuit, Hall element circuit, IC drive circuit, MOS power model, speed governing input conversion
Circuit and signal output apparatus；Described reduction voltage circuit is connected with external power source input, described IC
Drive circuit and single chip machine controlling circuit are all connected with reduction voltage circuit；Described speed governing input conversion electricity
Road and signal output apparatus are all connected with single chip machine controlling circuit；Described MOS power model and suddenly
You are all connected with IC drive circuit by sensor circuit, and described single chip machine controlling circuit also drives with IC
Galvanic electricity road connects；Described speed governing input change-over circuit is used for inputting speed-regulating signal to Single-chip Controlling
Circuit；Signal output apparatus is for exporting the output signal from single chip machine controlling circuit to outward
The reception circuit in portion；Described Hall element circuit is used for detecting magnetic north-south, and sends magnetic
Field signal is to IC drive circuit；Described IC drive circuit is for driving MOS according to field signal
The on and off of power model.
2. fan motor drive circuit as claimed in claim 1, it is characterised in that speed governing is defeated
Enter change-over circuit and include resistance R1 to resistance R6, audion Q1, electric capacity C1, diode D1
With speed governing input interface, one end of described resistance R1, one end of resistance R2 and resistance R3's
One end is all connected with speed governing input interface, the other end of described resistance R1 and one end of resistance R4
All it is connected with the outfan of reduction voltage circuit；The other end of resistance R3, the other end of resistance R4,
One end of resistance R5 and one end of resistance R6 all colelctor electrodes with audion Q1 are connected, resistance
The base stage of the other end connecting triode Q1 of R2, the other end of resistance R5, the one of electric capacity C1
The negative pole of end and diode D1 is all connected with single chip machine controlling circuit；Another of described resistance R6
The emitter stage of end, the other end of electric capacity C1, the other end of diode D1 and audion Q1 is equal
Ground connection.
3. fan motor drive circuit as claimed in claim 2, it is characterised in that described list
Sheet machine control circuit includes controller U1, resistance R7 and resistance R8, described controller U1's
Speed governing pin is connected with the negative pole of diode D1；The energization pins of controller U1 and reduction voltage circuit
Outfan connect；The feedback pin of controller U1 connects the feedback end of IC drive circuit；Control
The pin that controls of device U1 processed connects the control end of IC drive circuit；The output of controller U1 is drawn
Foot connects the input of signal output apparatus；The stall pin of controller U1 is by resistance R7 even
Connect the stall end of IC drive circuit；The control pin of controller U1 is also by resistance R8 ground connection；
The positive and negative pin of controller U1 connects the positive opposite ends of IC drive circuit.
4. fan motor drive circuit as claimed in claim 3, it is characterised in that described control
The model of device U1 processed is PIC16F1503.
5. fan motor drive circuit as claimed in claim 3, it is characterised in that described suddenly
You include the first Hall element, the second Hall element, the 3rd hall sensing by sensor circuit
Device, resistance R9 to resistance R14, electric capacity C2 to electric capacity C4, described first Hall element
One end is connected with the outfan of reduction voltage circuit by resistance R9, one end of the second Hall element
Being connected with the outfan of reduction voltage circuit by resistance R10, one end of the 3rd Hall element is passed through
Resistance R11 is connected with the outfan of reduction voltage circuit, one end of resistance R12, the one of resistance R13
End and one end of resistance R14 are all connected with the outfan of reduction voltage circuit, the other end of resistance R12,
One end of electric capacity C2 and the other end of the first Hall element all with the first of IC drive circuit the biography
Sense end connects；The other end of resistance R13, one end of electric capacity C3 and the second Hall element
The other end is all connected with the second sensor ends of IC drive circuit；The other end of resistance R14, electricity
Hold the other end of one end of C4 and the 3rd Hall element the 3rd all with IC drive circuit to sense
End connects；The ground end of the first Hall element and the equal ground connection of the other end of electric capacity C2, second suddenly
The ground end of your sensor and the equal ground connection of the other end of electric capacity C3, the ground end of the 3rd Hall element
The equal ground connection with the other end of electric capacity C4.
6. fan motor drive circuit as claimed in claim 5, it is characterised in that described the
The model of one Hall element, the second Hall element and the 3rd Hall element is MH182.
7. fan motor drive circuit as claimed in claim 5, it is characterised in that described
IC drive circuit includes that driving chip U2, resistance R15 are to resistance R20；Described driving chip
First sensor ends of U2 is connected with one end of electric capacity C2, second sensor ends of driving chip U2
It is connected with one end of electric capacity C3, the 3rd sensor ends of driving chip U2 and one end of electric capacity C4
Connect；The positive opposite ends of driving chip U2 connects the positive and negative pin of controller U1 by resistance R15；
The stall end of driving chip U2 connects the stall pin of controller U1；Driving chip U2 is just
Opposite ends is connected by the reference edge of resistance R16 and driving chip U2, the fault of driving chip U2
End is connected by the reference edge of resistance R17 with driving chip U2；The control of driving chip U2
Hold the control pin being connected controller U1 by resistance R18；One end of resistance R19 connects fall
The outfan of volt circuit, the other end of resistance R19 and one end of resistance R20 are all and driving chip
The power end of U2 connects；The other end of resistance R20 connects external power source input；Driving chip
The outfan of U2 connects MOS power model；The feedback end of driving chip U2 connects controller U1
Feedback pin.
8. fan motor drive circuit as claimed in claim 7, it is characterised in that described
MOS power model includes the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the 3rd metal-oxide-semiconductor, the 4th MOS
Pipe, the 5th MOS pass, the 6th metal-oxide-semiconductor, resistance R21 to resistance R24, electric capacity C5；Described
The grid of the first metal-oxide-semiconductor connects the first high level output end of driving chip U2, the 2nd MOS
The grid of pipe connects the first low level output end of driving chip U2；The grid of the 3rd metal-oxide-semiconductor
Connecting the second high level output end of driving chip U2, the grid of the 4th metal-oxide-semiconductor connects driving
The second low level output end of chip U2；The grid of the 5th metal-oxide-semiconductor connects driving chip U2's
Three-hypers level output end, the grid of the 6th metal-oxide-semiconductor connects the 3rd low electricity of driving chip U2
Flat outfan；The drain electrode of the first metal-oxide-semiconductor, the drain electrode of the 3rd metal-oxide-semiconductor and the leakage of the 5th metal-oxide-semiconductor
The most all it is connected with external power source input；The source electrode of the first metal-oxide-semiconductor connects the drain electrode of the second metal-oxide-semiconductor,
The source electrode of the 3rd metal-oxide-semiconductor connects the drain electrode of the 4th metal-oxide-semiconductor, and the source electrode of the 5th metal-oxide-semiconductor connects the
The drain electrode of six metal-oxide-semiconductors, the source electrode of the second metal-oxide-semiconductor, the source electrode of the 4th metal-oxide-semiconductor, the 6th MOS
The source electrode of pipe, one end of resistance R21, one end of resistance R22, resistance R23 one end all with
One end of resistance R24 connects, the other end of resistance R21, the other end of resistance R22 and resistance
The equal ground connection of the other end of R23, the other end of resistance R24 passes through electric capacity C5 ground connection.
9. fan motor drive circuit as claimed in claim 8, it is characterised in that described letter
Number output circuit includes audion Q2, resistance R25, resistance R26, the one of described resistance R25
End connects the output pin of controller U1, the base of the other end connecting triode Q2 of resistance R25
Pole, one end of resistance R26 and the colelctor electrode of audion Q2 are all connected with the reception circuit of outside,
The grounded emitter of audion Q2, the other end of resistance R26 connects the outfan of blood pressure lowering chip.
10. fan motor drive circuit as claimed in claim 9, it is characterised in that described
Reduction voltage circuit include audion Q3, resistance R27, resistance R28, resistance R29, diode D2,
Diode D3, electric capacity C6 and blood pressure lowering chip, the positive pole of described diode D2 and outside input
Power supply connect, one end of one end of resistance R27, one end of resistance R28 and resistance R29 all with
The negative pole of diode D2 connects, and the other end of resistance R27 and the other end of resistance R28 connect
The colelctor electrode of audion Q3, the other end of resistance R29 and the negative pole of diode D3 connect three poles
The base stage of pipe Q3, the emitter stage of audion Q3 connects the input of blood pressure lowering chip, blood pressure lowering chip
Outfan and electric capacity C6 one end connect, the ground end of blood pressure lowering chip and the positive pole of diode D3
All ground connection；The energization pins of described controller U1, the other end of resistance R1, resistance R26
The other end, one end all outfans with blood pressure lowering chip of resistance R12 are connected；The one of resistance R19
End is connected with the emitter stage of audion Q3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620373971.5U CN205559344U (en) | 2016-04-27 | 2016-04-27 | Fan motor drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620373971.5U CN205559344U (en) | 2016-04-27 | 2016-04-27 | Fan motor drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205559344U true CN205559344U (en) | 2016-09-07 |
Family
ID=56805098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620373971.5U Active CN205559344U (en) | 2016-04-27 | 2016-04-27 | Fan motor drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205559344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209972A (en) * | 2018-10-16 | 2019-01-15 | 卫星电子（中山）有限公司 | A kind of fan with simple speed-regulating function |
-
2016
- 2016-04-27 CN CN201620373971.5U patent/CN205559344U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209972A (en) * | 2018-10-16 | 2019-01-15 | 卫星电子（中山）有限公司 | A kind of fan with simple speed-regulating function |
| CN109209972B (en) * | 2018-10-16 | 2024-02-09 | 卫星电子（中山）有限公司 | Fan with simple speed regulation function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Huazhang | Design and implementation of brushless DC motor drive and control system | |
| CN1925307A (en) | Motor speed control integrated circuit | |
| CN105375831B (en) | Permanent magnet motor driving circuit | |
| CN102684588B (en) | Starting detection device and starting method for permanent magnetic synchronous motor speed sensorless | |
| CN205559344U (en) | Fan motor drive circuit | |
| CN205232080U (en) | Motor driving device | |
| CN206727911U (en) | Brush direct current motor driver | |
| CN203675019U (en) | Drive circuit of brushless motor | |
| CN204993125U (en) | Motor element , integrated circuit who is used for motor drive , fan and pump | |
| CN105978416A (en) | Hall-free ceiling fan motor controller and starting method thereof | |
| CN203301414U (en) | Sine subdivision drive circuit used for stepping motor | |
| CN206336152U (en) | A kind of control circuit of vehicle synchronous motor | |
| CN105958881B (en) | A kind of direct current generator kinematic driving unit | |
| CN206180908U (en) | Control system | |
| CN106208893A (en) | The speed drive circuit of motor and fan electromotor | |
| CN204610329U (en) | A kind of Industrial fan | |
| CN211352092U (en) | Motor control circuit and motor device | |
| CN205283446U (en) | High accuracy stepper motor controller | |
| CN107294432A (en) | The control method and control system of a kind of motor | |
| Xu et al. | High performance DC chopper speed and current control of universal motors using a microcontroller | |
| CN206712703U (en) | A kind of fading unit suitable for electric operating mechanism | |
| CN208522670U (en) | A kind of brshless DC motor fan Sofe Switch driving circuit | |
| CN203554347U (en) | Angle wave based motor direct-current speed control device and circuit diagram thereof | |
| CN206775420U (en) | Electric tool driving control system based on DC brushless motor | |
| CN205725549U (en) | One has current mode and voltage-type integrated variable frequency system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Dongguan City Hengli Town, Guangdong province 523000 Ge Keng Cun Ge Keng Industrial Zone, wisdom Valley Science and Technology Park A5 Building 2 floor Patentee after: DONGGUAN YINHAI PLASTIC ELECTRONICS Co.,Ltd. Address before: 523000 District, Guangdong, Dongguan Zhen Pai stone village, stone road, South Road, the first floor of the workshop on the first floor of the workshop B District, Patentee before: DONGGUAN YINHAI PLASTIC ELECTRONICS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221128 Address after: 523000 Room 601, Building 3, No. 3, Hongchang Road, Nankeng, Qishi Town, Dongguan, Guangdong Patentee after: Dongguan leiteng Electric Co.,Ltd. Address before: 523000 2nd floor, building A5, Zhigu Science Park, Gekeng Industrial Zone, Gekeng village, Hengli Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN YINHAI PLASTIC ELECTRONICS Co.,Ltd. |