CN101557188B - Steering control device of brushless direct-current motor - Google Patents
Steering control device of brushless direct-current motor Download PDFInfo
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- CN101557188B CN101557188B CN2009100224779A CN200910022477A CN101557188B CN 101557188 B CN101557188 B CN 101557188B CN 2009100224779 A CN2009100224779 A CN 2009100224779A CN 200910022477 A CN200910022477 A CN 200910022477A CN 101557188 B CN101557188 B CN 101557188B
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Abstract
The invention discloses a steering control device of a brushless direct-current motor, comprising a receiver (1), a steering engine (2), a motor (7), a power supply (5), a reversing switch (4) and a turning switch (6); one end of a connecting rod (3) is fixedly connected with an output disk of the steering engine, and an initial position thereof is on a same plane with a bus (8); the reversing switch (4) and the turning switch (6) are respectively positioned at two sides of the bus (8) of the control device, normally closed lines of the reversing switch (4) and the turning switch (6) are respectively connected with the anode of the power supply (5), normally opened lines thereof are respectively connected with the cathode of the power supply (5), and output lines thereof are respectively connected with a power supply terminal of the motor (7); and the motor (7) is communicated with a propeller driving rod. The steering control device of the brushless direct-current motor controls the turning clockwise and anti-clockwise of the motor based on a mechanical mode, and the adopted technical proposal has simple structure, low cost, and convenient and reliable operation.
Description
One, technical field
The present invention relates to industrial control field, specifically is a kind of steering control device of brushless direct-current motor.
Two, background technology
The motor steering control technology is the important technology that advanced in modern times industrial control field often adopts.
The rotating of motor is actually and is added in through change that the polarity of the voltage on the motor realizes.For the low-speed DC motor, in existing practical application, mainly contain its forward and reverse rotation of dual mode control.A kind of is the position of confirming rotor in advance, applies operate outside voltage according to predefined commutation angle and realizes oppositely.Another kind is to adopt semiconductor switch switching inverter circuit that constitutes and the mode that the ON-OFF control circuit of integrated chip formation combines, and realizes the change to motor steering through the break-make of controlling different brachium pontis switching tubes.
In application number is 200410049072 patent, a kind of brshless DC motor commutation method has been proposed; Its rotor is directly or indirectly confirmed with respect to the position of stator; Position according to determined rotor; At a predetermined commutation angle, an operate outside voltage is applied at least one motor coil.According to the present invention, motor is preferably periodically optimized between the commutation angle and the first initial preset commutation angle second and is switched back and forth.If the switching between the commutation angle produces change in rotational speed, old working point will be departed from then new working point.For this species diversity on the compensation speed, not only preset commutation angle will change, and electric moter voltage also will change.
In application number was 200710018896 patent, a kind of resonance electrode soft switch reversion circuit that is applied to brshless DC motor was disclosed.This circuit comprises DC power supply, input bleeder circuit, control circuit and inverter bridge.The input bleeder circuit is formed by two capacitance series; Three limits of inverter bridge link to each other with brshless DC motor.Between the limit of inverter bridge and input bleeder circuit mid point, add the auxiliary resonance circuit, comprise 3 auxiliary two-way switches and 1 inductance.One end of 3 auxiliary two-way switches and an end of inductance join; The other end of 3 auxiliary two-way switches connects the limit of three phase inverter bridge respectively; The other end of inductance links to each other with input bleeder circuit mid point.Control circuit sends the conducting and the shutoff of signal controlling auxiliary two-way switches and converter bridge switching parts device.
In above two kinds of reverse control methods, first kind of related step is more loaded down with trivial details, need be scheduled to commutation angle and compensation.The second method complex structure needs a plurality of auxiliary circuits, and cost is higher.
Three, summary of the invention
For overcoming the deficiency of the higher and complex steps of the complex structure, the cost that exist in the prior art, the present invention proposes a kind of steering control device of brushless direct-current motor.
The present invention includes remote controller, receiver, steering wheel, sensitive switch, motor and power supply, wherein sensitive switch comprises reversal switch and positive switch.The slewing area α of steering wheel is ± 60 °.
Steering wheel and sensitive switch are fixed on the circuit board; Steering wheel is communicated with the remote controller receiver.Axis with the length of connecting rod direction is the bus of control device; Reversal switch and positive switch lay respectively at the both sides of bus, and reversal switch links to each other with the positive pole of power supply respectively with the normally closed line of positive switch; Reversal switch links to each other with the negative pole of power supply respectively with positive often bursting at the seams of switch; Reversal switch links to each other with the power supply terminal of motor respectively with the output line of positive switch.Motor and screw drive link are connected, for submarine navigation device provides power.
One end of connecting rod is fixedly connected with steering wheel output panel; With connecting rod extension elongation after steering wheel output panel cooperates with the vertical length L1 of steering wheel output panel surface to the sensitive switch middle part.Switch to the servo output side of the midpoint of the vertical distance plate L2, bus and reverse switch (4) and the forward rotation switch (6) with the distance L3 between the center line L1 of the relationship between the length?
to ensure that the servo output disk rotates the switching rod can be closed or disconnected to operate.
The initial position of adjustment steering wheel output panel make the initial position that is positioned at the connecting rod on the output panel and bus at grade, and this plane parallel is in bus.
During work, motor is carried out circuit with power supply and sensitive switch be connected.The each several part power supply is connected.When upwards stirring the control of remote controller end, when rotating corresponding to the steering wheel clockwise direction, connecting rod will contact and press the switch plate that just changes sensitive switch, sensitive switch cuts out, thereby motor just change; When stirring the control of remote controller end downwards, when counterclockwise rotating corresponding to steering wheel, connecting rod will contact and press the switch plate of counter-rotating sensitive switch, and sensitive switch cuts out, thus the motor counter-rotating.Thereby realized switching-over with the method control motor of machinery.
The present invention combines mechanical drive principle with circuit design method, proposed a kind of device of turning to of motor being controlled based on the method for machinery.The step of this device design is simple and clear, easy to implement.The technical scheme that the present invention adopted is simple in structure, cost is low, convenient and reliable operation.
Four, description of drawings
Accompanying drawing 1 overall plan sketch map
Accompanying drawing 2. connecting rod shape sketch mapes
1. receiver 2. steering wheels 3. connecting rods 4. reversal switches 5. power supplys 6. positive switch 7. motors 8. buses
L1. the distance of the length L 2. switch side mid points at sensitive switch middle part to steering wheel output panel arrived on the output panel surface
L3. the distance between bus and the sensitive switch center line
Five, embodiment
This embodiment be applied to the small-scale underwater vehicle device move forward and backward control in the motor steering control device.
Present embodiment comprises remote controller and receiver 1, steering wheel 2, sensitive switch, motor 7 and power supply 5, and wherein sensitive switch comprises reversal switch 4 and positive switch 6.Steering wheel is selected Futaba S3003 model for use, and slewing area α is ± 60 °; It is the sensitive switch of withstand voltage 24V, rated current 5A that positive switch and reversal switch are selected specification for use.Motor is 380 type brshless DC motors.It is four-way (PCM) the proportional remote control device of 35MHZ frequency range that remote controller adopts operating frequency, and receiver has four groups of signal output sockets and one group of outlet.
In this example, motor 7 is connected with the screw drive link, thinks that submarine navigation device provides power.
As shown in Figure 1, steering wheel 2 is fixed on the circuit board with the installing hole of sensitive switch through steering wheel and sensitive switch self; Steering wheel is connected on 1 passage of remote controller receiver.Axis with connecting rod 3 is the bus 8 of control device; Reversal switch 4 and positive switch 6 lay respectively at the both sides of bus 8, and reversal switch 4 links to each other with the positive pole of power supply 5 respectively with the normally closed line of positive switch 6; Reversal switch 4 links to each other with the negative pole of power supply 5 respectively with positive often bursting at the seams of switch 6; Reversal switch 4 links to each other with the power supply terminal of motor 7 respectively with the output line of positive switch 6.
As shown in Figure 2, connecting rod 3 is the zigzag metallic rod, and its diameter is with the internal diameter of connecting hole on the steering wheel output panel card.One end of connecting rod penetrates in the connecting hole on the steering wheel output panel, and closely cooperates between the two; With connecting rod extension elongation after the steering wheel output panel assembling with the length L 1 of steering wheel output panel surface to the sensitive switch middle part.Among Fig. 2, L2 is the distance of the mid point of the parallel switch side of bus to steering wheel output panel, and L3 is the distance between bus and the sensitive switch center line; The length relation of L1, L2 and L3 does
Connecting rod can be operated the closure or the off-state of switch when rotating with assurance steering wheel output panel.
The initial position of adjustment steering wheel output panel make the initial position that is positioned at the connecting rod on the output panel and bus 8 at grade, and this plane parallel is in bus.
During work, motor is carried out circuit with power supply and sensitive switch be connected.The each several part power supply is connected.When the control end of 1 passage of upwards stirring remote controller, when rotating corresponding to the steering wheel clockwise direction, connecting rod will contact and press the switch plate that just changes sensitive switch, sensitive switch cuts out, thereby motor just change; When the control end of 1 passage of stirring remote controller downwards, when counterclockwise rotating corresponding to steering wheel, connecting rod will contact and press the switch plate of counter-rotating sensitive switch, and sensitive switch cuts out, thus the motor counter-rotating.Thereby realized switching-over with the method control motor of machinery.
Claims (2)
1 A brushless DC motor steering control apparatus, characterized in that said steering control means includes a receiver (1), gear (2), the motor (7), power supply (5) and a micro-switch, wherein the microspheres Switch including reverse switch (4) and the forward rotation switch (6); rod (3) is fixed at one end and the steering gear connected to the output tray; when the servo output rod perpendicular to the disk surface, the rod (3) length direction the axis of the bus control device (8), reverse switch (4) and the forward rotation switch (6), respectively, in the bus control device (8) sides and placed symmetrically with respect to the bus, the reverse switch (4) and is transferred switch (6) is normally closed and power lines, respectively, (5) connected to the anode, the reverse switch (4) and the forward rotation switch (6) is normally open and power lines, respectively, (5) to the negative terminal; reverse switch (4) and forward switch (6), respectively, the motor output line (7) is connected to two power supply terminals; motor (7) and the actuating rod on the propeller; the servo output tray after tie rod (3) extending the length L1, and outputs the disc surface and the steering gear at the center of the length of the micro-switch of the vertical center of the same length; the forward rotation switch (6) or the reversing switch (4) to the center of the servo output tray vertical distance L2, bus and anti- transfer switch (4) or the forward rotation switch (6) and the steering gear output tray vertical distance between the center lines L1 L3 with the relationship between the length
2. a kind of according to claim 1 steering control device of brushless direct-current motor, the initial position that it is characterized in that being positioned at the connecting rod on the output panel overlaps with bus (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100224779A CN101557188B (en) | 2009-05-13 | 2009-05-13 | Steering control device of brushless direct-current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100224779A CN101557188B (en) | 2009-05-13 | 2009-05-13 | Steering control device of brushless direct-current motor |
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| Publication Number | Publication Date |
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| CN101557188A CN101557188A (en) | 2009-10-14 |
| CN101557188B true CN101557188B (en) | 2012-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100224779A Expired - Fee Related CN101557188B (en) | 2009-05-13 | 2009-05-13 | Steering control device of brushless direct-current motor |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104393801B (en) * | 2014-11-24 | 2017-07-14 | 苏州科爱佳自动化科技有限公司 | A kind of brshless DC motor arrangements for speed regulation and speed regulating method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201409050Y (en) * | 2009-05-13 | 2010-02-17 | 西北工业大学 | Steering control device for direct current motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201409050Y (en) * | 2009-05-13 | 2010-02-17 | 西北工业大学 | Steering control device for direct current motor |
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| CN101557188A (en) | 2009-10-14 |
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Granted publication date: 20120104 Termination date: 20140513 |