CN209016955U - A kind of DC brushless motor positive and negative rotation circuit - Google Patents
A kind of DC brushless motor positive and negative rotation circuit Download PDFInfo
- Publication number
- CN209016955U CN209016955U CN201821385790.XU CN201821385790U CN209016955U CN 209016955 U CN209016955 U CN 209016955U CN 201821385790 U CN201821385790 U CN 201821385790U CN 209016955 U CN209016955 U CN 209016955U
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- Prior art keywords
- control module
- diode
- negative rotation
- positive
- motor
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Abstract
The utility model discloses a kind of DC brushless motor positive and negative rotation circuits, its circuit includes positive and negative rotation control module, main control module and motor, the main control module connection positive and negative rotation control module and motor, the positive and negative rotation control module connects input terminal power supply, the positive and negative rotation control module includes bridge diode and triode, and B input point be 0 when, triode is not turned on, and motor is with regard to antikinesis；If B output point is positive voltage, triode ON, motor just positive operation, the mode conversion operation direction as brush motor can effectively be reached, equipment, machine or product that change uses the motor are not needed, or in addition the control of increase rotation direction effectively improves overall durability to extend the equipment, machine or product service life period.
Description
Technical field
The utility model belongs to electronic circuit field more particularly to a kind of DC brushless motor positive and negative rotation circuit.
Background technique
Always, the rotation direction conversion of DC brushless motor is to rely on gyratory directions conversion cross-talk to pass through high voltage
The intermodulation conversion of (High, Chang Wei 5V) or low-voltage (Low, Chang Wei 0V) reaches rotating forward and rotating backward for motor, in order to
Reach as brush motor, merely in the positive and negative rotation exchanged the polarity of voltage being attached on input terminal and change motor
When, it is necessary to change is made to control mode on equipment, machine or the product for using the motor and is just achieved, operation is very not
Just, motor device, machine and product and are frequently changed, or even the service life of motor device, machine and product can be shortened.
Utility model content
The utility model main purpose is to reach fortune using the dipole inversion being attached on Brush-Less DC motor control circuit
The conversion for turning direction is effectively improved the application method of DC brushless motor, do not need change using the equipment of the motor, machine or
Product does not also need the control for increasing rotation direction, to allow the equipment, machine or product to increase the service life period, effectively
Improve overall durability.
A kind of DC brushless motor positive and negative rotation circuit, including positive and negative rotation control module, main control module and motor, the master
Control module connects positive and negative rotation control module and motor, and the positive and negative rotation control module connects input terminal power supply, the positive and negative rotation
Control module includes bridge diode, and triode, first resistor and second resistance, the bridge diode is with A input point, B
Input point, A output point and B output point, the B output point ground connection, the A output point connect main control module, the triode
Base series first resistor, and connect B input point, the collection poling connection second resistance and main control module of triode is described
Second resistance is in parallel with main control module, the emitter ground connection of the triode.
The bridge diode includes first diode, the second diode, third diode and the 4th diode, and described
The anode of one diode and the cathode of third diode are connected to A input point, the cathode of the first diode and the two or two pole
The cathode of pipe is connected to A output point, and the anode of second diode and the cathode of the 4th diode are connected to B input point, institute
The anode of the anode and the 4th diode of stating third diode is connected to B output point.
By first capacitor and the second capacity earth on the A output point, the first capacitor is in parallel with the second capacitor, and
In parallel with third capacitor, the other end of the third capacitor connects main control module.
The main control module includes master chip, model AN44142A.
The resistance value of the first resistor R1 is 4.5k Ω~5.5k Ω, the resistance value of the second resistance R2 be 9k Ω~
10.5kΩ。
The resistance value of the first resistor is 4.7k Ω, and the resistance value of the second resistance is 10k Ω.
The value range of the first capacitor is 4.5 μ of μ F~5 F, the value range of second capacitor be 0.05 μ F~
0.15 μ F, the value range of third capacitor are 0.05 μ of μ F~0.15 F.
The connection that bridge diode is added in the utility model ensure that main control module voltage incoming end is positive voltage input,
And B input point be 0 when, triode is not turned on, and just produces electricity at main control module voltage incoming end and triode access at this time
Pressure difference, motor is with regard to antikinesis；If B output point is positive voltage, triode ON does not generate voltage difference at this time, and motor is just
Forward direction operation, the utility model can effectively reach the mode conversion operation direction as brush motor, do not need change and use
Equipment, machine or the product of the motor, or in addition increase the control of rotation direction, to extend the equipment, machine or product
In the service life period, effectively improve overall durability.
Detailed description of the invention
Fig. 1 is the utility model embodiment featured circuit figure；
Fig. 2 is the utility model embodiment circuit diagram.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawings and examples.
Referring to Fig. 1, a kind of DC brushless motor positive and negative rotation circuit, including positive and negative rotation control module, main control module and
Motor, the main control module connection positive and negative rotation control module and motor, the positive and negative rotation control module connect input terminal power supply,
The positive and negative rotation control module includes bridge diode D1, triode Q1, first resistor R1 and second resistance R2, first electricity
The resistance value for hindering R1 is 47k Ω, and the resistance value of the second resistance R2 is 10k Ω, and the bridge diode D1 has A input point, B defeated
Access point, A output point and B output point, the B output point ground connection, the VCC voltage access of the A output point connection main control module
End, the base series first resistor R1 of the triode Q1, and connect B input point, the second electricity of collection poling connection of triode Q1
R2 is hindered, and connects the end F/R of main control module, the second resistance R2 and main control module are in parallel, the transmitting of triode Q1
Pole ground connection；In the present embodiment, the collection poling access voltage of triode Q1 is+5V.
The bridge diode D1 includes first diode, the second diode, third diode and the 4th diode, described
The anode of first diode and the cathode of third diode are connected to A input point, the cathode of the first diode and the two or two
The cathode of pole pipe is connected to A output point, and the anode of second diode and the cathode of the 4th diode are connected to B input point,
The anode of the third diode and the anode of the 4th diode are connected to B output point.
The A output point is grounded by first capacitor C1 and the second capacitor C2, the first capacitor C1 and the second capacitor C2
Between in parallel and in parallel with third capacitor C3, the end VPUMP of the other end connection main control module of the third capacitor C3,
It is 0.1 μ F that the value of first capacitor C1, which is the value of 4.7 μ F, the second capacitor C2, in embodiment, and the value of third capacitor is 0.1 μ
F。
In the present embodiment, the main control module includes master chip IC1, model AN44142A, bridge diode D1
Model KMB23STR, the model 2SC2712 of triode Q1.
Bridge diode D1 is added in the utility model and triode Q1, A input point connects positive (+) position access point, B input point connects
0 access point in use, the output that the operating status of motor control loop is A output point is positive (+) current potential, B output point it is defeated
It is out 0 current potential.
At this point, B input point is 0 current potential, triode Q1 is in final state, when rotation direction setting input is+5V (High),
Motor rotation direction is antikinesis.
A input point be 0 current potential, B input point be positive (+) current potential occasion when, the operating status of motor control loop are as follows:
A output point is positive (+) current potential, and B output point is 0 current potential.
(+) current potential at this point, B input point is positive, triode Q1 become operating state, and rotation direction setting input is 0 current potential
(Low) when, motor rotation direction is positive operation.
DC brushless motor is used with above-mentioned gimmick, can effectively reach the mode conversion operation side as brush motor
To.Even the control that change increases rotation direction is not needed on using the equipment of the motor, machine or product, so that this be allowed to set
Standby, machine or product increase the service life period, effectively improve overall durability.
Claims (7)
1. a kind of DC brushless motor positive and negative rotation circuit, feature includes positive and negative rotation control module, main control module and motor, institute
State main control module connection positive and negative rotation control module and motor, the positive and negative rotation control module connects input terminal power supply, it is described just
Reversion control module includes bridge diode, and triode, first resistor and second resistance, the bridge diode is with A input
Point, B input point, A output point and B output point, the B output point ground connection, the A output point connection main control module, described three
The base series first resistor of pole pipe, and B input point is connected, the collection poling connection second resistance and main control module of triode,
The second resistance is in parallel with main control module, the emitter ground connection of the triode.
2. a kind of DC brushless motor positive and negative rotation circuit according to claim 1, it is characterised in that: two pole of bridge-type
Pipe includes first diode, the second diode, third diode and the 4th diode, the anode and third of the first diode
The cathode of diode is connected to A input point, and the cathode of the cathode of the first diode and the second diode is connected to A output
Point, the anode of second diode and the cathode of the 4th diode are connected to B input point, the anode of the third diode with
The anode of 4th diode is connected to B output point.
3. a kind of DC brushless motor positive and negative rotation circuit according to claim 1, it is characterised in that: the main control module
Including master chip, model AN44142A.
4. a kind of DC brushless motor positive and negative rotation circuit according to claim 1, it is characterised in that: on the A output point
By first capacitor and the second capacity earth, the first capacitor is in parallel with the second capacitor, and in parallel with third capacitor, and described
The other end of three capacitors connects main control module.
5. a kind of DC brushless motor positive and negative rotation circuit according to claim 1, it is characterised in that: the first resistor
Resistance value is the k of 4.5k Ω ~ 5.5 Ω, and the resistance value of the second resistance is 9.5 k of k Ω ~ 10.5 Ω.
6. a kind of DC brushless motor positive and negative rotation circuit according to claim 5, it is characterised in that: the first resistor
Resistance value is 4.7k Ω, and the resistance value of the second resistance is 10 k Ω.
7. a kind of DC brushless motor positive and negative rotation circuit according to claim 4, it is characterised in that: the first capacitor
Value range is 4.5 μ of μ F ~ 5 F, and the value range of second capacitor is the 0.05 μ F of μ F ~ 0.15, the value range of third capacitor
For 0.05 μ of μ F ~ 0.15 F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821385790.XU CN209016955U (en) | 2018-08-27 | 2018-08-27 | A kind of DC brushless motor positive and negative rotation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821385790.XU CN209016955U (en) | 2018-08-27 | 2018-08-27 | A kind of DC brushless motor positive and negative rotation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209016955U true CN209016955U (en) | 2019-06-21 |
Family
ID=66831818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821385790.XU Expired - Fee Related CN209016955U (en) | 2018-08-27 | 2018-08-27 | A kind of DC brushless motor positive and negative rotation circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209016955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109787518A (en) * | 2018-08-27 | 2019-05-21 | 豊豐精密有限公司 | A kind of DC brushless motor positive and negative rotation circuit |
-
2018
- 2018-08-27 CN CN201821385790.XU patent/CN209016955U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109787518A (en) * | 2018-08-27 | 2019-05-21 | 豊豐精密有限公司 | A kind of DC brushless motor positive and negative rotation circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190621 Termination date: 20200827 |