CN204334389U - Two direct current motor control drive module - Google Patents
Two direct current motor control drive module Download PDFInfo
- Publication number
- CN204334389U CN204334389U CN201520042773.6U CN201520042773U CN204334389U CN 204334389 U CN204334389 U CN 204334389U CN 201520042773 U CN201520042773 U CN 201520042773U CN 204334389 U CN204334389 U CN 204334389U
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- direct current
- motor control
- current motor
- drive module
- circuit
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Abstract
The utility model relates to two direct current motor control drive module, belongs to the electronic technology field that DC MOTOR CONTROL drives.It includes 5V voltage stabilizing circuit, a signal input two-way exports coding circuit, L298N drive circuit; The output of drive circuit connects with direct current machine; The utility model make use of the unilateral conduction of diode, is distributed the signal of L298N drive circuit input by the combination of diode, realizes the input of different single signal can control turning to of two direct current machines simultaneously; The two direct current motor control drive module outstanding advantages of the utility model is: directly can control turning to of two motors by different single signal sources simultaneously, without the need to programming Control, have that low in energy consumption, dynamic response is fast, stable performance, the feature such as safe and reliable, be particularly suitable for the students in middle and primary schools DIY remote-controlled toy vehicle being ignorant of programming.
Description
Technical field
The utility model relates to two direct current motor control drive module, belongs to the electronic technology field that DC MOTOR CONTROL drives, and achieves the input of different single signal and can control the function that two direct current machines turn to simultaneously; Be particularly suitable for the students in middle and primary schools DIY remote-controlled toy vehicle being ignorant of programming.
Background technology
At present, on market, direct current motor control drive module is by mcu programming control mode mostly, and this patten's design is complicated, and cost is higher, and the personage being not suitable for being ignorant of programming makes telecar; And although the driver module cost merely using mould power technology to design is lower, needs a large amount of welding, concerning non-technical personnel, have certain danger, can not necessary requirement be reached.
Summary of the invention
The object of the invention is to, overcome the technical disadvantages of existing L298N chip, a kind of two direct current motor control drive modules be simple and easy to are provided, realize different single signal and can control the function that two direct current machines turn to simultaneously, reach and input separately that four signals just can make toy car realize advancing, turn left, turn right, the object of fallback function successively.
The technical solution of the utility model is: a kind of two direct current motor control drive module, comprises: a coding circuit utilizing the one-way conduction characteristic of diode to realize the output of single signal input two-way; A 5V voltage stabilizing circuit utilizing 7805 voltage stabilizing chips and electric capacity to form; The two direct current motor drive circuits utilizing L298N driving chip to set up.
Described coding circuit is made up of 8 diodes in parallels, and the output of coding circuit and drive circuit input parallel communications.
The output of described drive circuit directly connects with direct current machine, and in drive circuit, L298N chip and motor connection place are connected with diode, and its effect provides freewheeling path to motor coil, burns out chip when preventing motor from stopping suddenly.
Described pair of direct current motor control drive module passes through parallel combination and the driving circuit section parallel communications of diode, achieve different single signal and directly control the function turned to of two direct current machines simultaneously, signal cross interference problem when can avoid control two motors.
Obvious technical effects of the present utility model: the coding circuit become by diode combinations controls the input of drive circuit, different single signal can be realized and can control the function that two direct current machines turn to simultaneously, save the programming of control section, facilitate the making of non-electronic design specialist personage.
Accompanying drawing explanation
Fig. 1 is compositional block diagram of the present utility model.
Fig. 2 is driving circuit principle figure of the present utility model.
Fig. 3 is coding circuit schematic diagram of the present utility model.
Wherein pin (1) to pin (15) is self pin of chip L298N, pin (1) and (15) ground connection, pin (2), (3), (13), (14) are input to the output of motor for L298N chip, wherein pin (2) is connected with motor M 1 with (3), pin (13) is connected with (14) motor M 2, pin (4) is motor-drive circuit input, and pin (5), (7), (10), (12) are input to the input pin of L298N chip for coding circuit.Pin (6) and (11) pin are the enable terminals of motor, the grounding pin that pin (8) is L298N chip, and pin (9) is logic supply voltage end.
4 inputs that port (16), (17), (18), (19) are coding circuit.
Embodiment
The utility model is described in further detail by reference to the accompanying drawings: as shown in Figure 1, a kind of two direct current motor control drive module, and it contains one and utilizes the one-way conduction characteristic of diode to realize the input of different single signal, the coding circuit that two-way exports; A 5V voltage stabilizing circuit utilizing 7805 voltage stabilizing chips and electric capacity to form; The two direct current motor drive circuits utilizing L298N driving chip to set up.
Voltage stabilizing circuit is used for drive circuitry; Coding circuit, for the treatment of input signal, then inputs to drive circuit; Drive circuit controls two current of electric after receiving signal and flows to, and then controls direction of motor rotation.
Be described further in conjunction with circuit theory of the present utility model and effect: as shown in Figures 2 and 3, after coding circuit input (16) receives a signal, pin (5) and the pin (12) of L298N is distributed to by diode, and then make the electric current of direct current machine M1 flow to pin (3) by pin (2), the electric current of direct current machine M2 is made to flow to pin (13) by pin (14), because two motors are symmetrical structures, so two motors forwards simultaneously can be made, realize the forward travel of toy car; In like manner, after input (17) receives signal, make the electric current of direct current machine M1 flow to pin (3) by pin (2), make the electric current of direct current machine M2 flow to pin (14) by pin (13), realize the counterclockwise motion of toy car; After input (18) receives signal, realize the right turn movements of toy car; After input (19) receives signal, realize the setback of toy car.
Claims (5)
1. a two direct current motor control drive module, it is characterized in that, it comprises:
A coding circuit utilizing the one-way conduction characteristic of diode to realize the output of single signal input two-way;
A 5V voltage stabilizing circuit utilizing 7805 voltage stabilizing chips and electric capacity to form;
The two direct current motor drive circuits utilizing L298N driving chip to set up.
2. according to claim 1 pair of direct current motor control drive module, is characterized in that, the coding circuit that described single signal input two-way exports is made up of 8 diodes in parallels.
3. according to claim 1 pair of direct current motor control drive module, is characterized in that, the output of the coding circuit that described single signal input two-way exports and drive circuit input parallel communications.
4. according to claim 1 pair of direct current motor control drive module, it is characterized in that, in described drive circuit, L298N chip and motor connection place are connected with diode, and its effect provides freewheeling path to motor coil, burns out chip when preventing motor from stopping suddenly.
5. according to claim 1 pair of direct current motor control drive module, it is characterized in that, described pair of direct current motor control drive module passes through parallel combination and the driving circuit section parallel communications of diode, achieve different single signal and directly control the function turned to of two direct current machines simultaneously, signal cross interference problem when can avoid control two motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042773.6U CN204334389U (en) | 2015-01-22 | 2015-01-22 | Two direct current motor control drive module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042773.6U CN204334389U (en) | 2015-01-22 | 2015-01-22 | Two direct current motor control drive module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204334389U true CN204334389U (en) | 2015-05-13 |
Family
ID=53170697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520042773.6U Expired - Fee Related CN204334389U (en) | 2015-01-22 | 2015-01-22 | Two direct current motor control drive module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204334389U (en) |
-
2015
- 2015-01-22 CN CN201520042773.6U patent/CN204334389U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150513 Termination date: 20170122 |