CN204316394U - A kind of precision machinery people drives electronic circuit board - Google Patents
A kind of precision machinery people drives electronic circuit board Download PDFInfo
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- CN204316394U CN204316394U CN201520038957.5U CN201520038957U CN204316394U CN 204316394 U CN204316394 U CN 204316394U CN 201520038957 U CN201520038957 U CN 201520038957U CN 204316394 U CN204316394 U CN 204316394U
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- circuit board
- electronic circuit
- triode
- precision machinery
- machinery people
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Abstract
The utility model provides a kind of precision machinery people to drive electronic circuit board; comprise drive circuit module, overvoltage crowbar module; described drive circuit module comprises twin voltage comparator LM393; the analog input end vin-of twin voltage comparator LM393 is connected by R17 and 12V voltage, by R18 ground connection, the IOPA6 that the analog input end vin+ of twin voltage comparator LM393 has PWM function mouth by resistance R59 and digital signal processor DPS is connected.The drive circuit power output of this electronic circuit board is comparatively large, and control precision is high, can accurately locate at a high speed, and structural behaviour is good, is specially adapted to medium and small load, the robot high to position control accuracy.
Description
Technical field
The utility model relates to a kind of electronic circuit board.
Background technology
The drive system of industrial robot, hydraulic pressure is divided into by power source, pneumatic and electronic three major types, motorized motions is due to low inertia, large torque AC and DC servomotor and supporting servo-driver (AC converter, DC pulse width modulator) thereof and be widely adopted, this kind of drive system is selected in a large number in robot.The robot of prior art drives electronic circuit board to have speed governing inconvenience, and speed adjustable range is narrow, and low-speed performance is bad, and run not steady, torque and rotational speed does not allow manageable shortcoming.In addition, existing robot drives electronic circuit board power output less, and control precision is low, can not accurately locate at a high speed, is not suitable for precision, the robot that rate request is higher, as spray robot, and spot welding robot etc.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of precision machinery people to drive electronic circuit board, and power output is larger, control precision is high, can accurately locate at a high speed, structural behaviour is good, is applicable to the robot high to position precision controlling requirement.
For achieving the above object and other relevant objects, the utility model provides a kind of precision machinery people to drive electronic circuit board, comprise drive circuit module, overvoltage crowbar module, described drive circuit module comprises twin voltage comparator LM393, the analog input end vin-of twin voltage comparator LM393 is connected by R17 and 12V voltage, by R18 ground connection, the IOPA6 that the analog input end vin+ of twin voltage comparator LM393 has PWM function mouth by resistance R59 and digital signal processor DPS is connected, the output of twin voltage comparator LM393 is connected with the G pin of metal-oxide-semiconductor with resistance R20, pull-up resistor R21 one end is connected with the analog input end vin+ of twin voltage comparator LM393 and external power supply 12V, the other end is connected with electronics R20, D pin and the digital signal processor DPS of metal-oxide-semiconductor Q4 have PWM3 pin and are connected, the S pin ground connection of metal-oxide-semiconductor.
Preferably, described digital signal processor DPS comprises digital I/O mouth module, described digital I/O module is connected with a relay circuit, numeral I/O mouth module has the function of control special I/O and multiplexing pins, input low and high level signal can be exported, be designed to output switch parameter input according to its function, and used its control relay.
Preferably, described relay circuit comprises comparator AM2A, comparator AM2A analog input end vin+ connects pin IOPB4, comparator AM2A analog input end vin-ground connection, the output contact resistance R57 of comparator AM2A and the base stage of triode Q8, the collector electrode of triode Q8 is parallel with diode D20, relay K, and relay is provided with pin CNETA1, CNETA2, CNETA3, the grounded emitter of triode Q8.
Preferably; described overvoltage crowbar module comprises inductance L m, described inductance L m one end is connected with supply power voltage Vcc; the other end is divided into three-line; Article 1, connection triode VT1, triode VT2, resistance R8, diode D8; Article 2 circuit connects electric capacity C9, diode D8, diode D9, electric capacity C10 successively; Article 3 circuit is contact resistance R9, buffer capacitor C10 successively, described triode VT1 and diode VD1 inverse parallel, described triode VT2 and diode VD2 inverse parallel.
Preferably, described digital signal processor DPS comprises orthogonal encoder impulse circuit, and quadrature coding pulse circuit can be used for connecting photoelectric encoder to obtain position and the speed of rotating machinery.
Preferably, orthogonal encoder impulse circuit comprises a DM74153 chip.
Preferably, described electronic circuit board is provided with RS232 serial ports and RJ45 interface, for refresh routine.
As mentioned above, a kind of precision machinery people of the present utility model drives electronic circuit board, there is following beneficial effect: after alternating current is carried out conservative control by electronic circuit board of the present utility model, input to the servomotor in each joint of industrial robot, control the rotation of motor, thus reach the object driving industrial robot motion.This electronic circuit board can change voltage or current-controlled dc motor speed and torque.Pulse width modulation (PWM) on wiring board controls the switching time to high power transistor switching amplifier, alternating voltage is converted to the square-wave voltage of a certain frequency, is added to the armature two ends of servomotor, by the control to Square wave pulses width, change the average voltage at armature two ends to reach and regulate motor speed, this advantage is that speed governing is convenient, can stepless speed regulation, speed-regulating range width, low-speed performance is good, and detent torque is large, and starting current is little, operate steadily, torque and rotational speed easily controls.The drive circuit power output of this electronic circuit board is comparatively large, and control precision is high, can accurately locate at a high speed, and structural behaviour is good, is specially adapted to medium and small load, the robot high to position control accuracy.This electronic circuit board is provided with RS232 serial ports and RJ45 interface, and user can more newer driver as required.
Accompanying drawing explanation
Fig. 1 is the drive circuit that precision machinery people drives electronic circuit board.
Fig. 2 is the relay circuit that precision machinery people drives electronic circuit board.
Fig. 3 is the overvoltage crowbar that precision machinery people drives electronic circuit board.
Embodiment
By particular specific embodiment, execution mode of the present utility model is described below, person skilled in the art scholar the content disclosed by this specification can understand other advantages of the present utility model and effect easily.
Refer to Fig. 1 and Fig. 3 notice, structure, ratio, size etc. that this specification institute accompanying drawings illustrates, content all only in order to coordinate specification to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the utility model, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the utility model can produce and the object that can reach, still all should drop on technology contents that the utility model discloses and obtain in the scope that can contain.Simultaneously, quote in this specification as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the utility model, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As shown in Figure 1 to Figure 3, the utility model provides a kind of precision machinery people to drive electronic circuit board, comprise drive circuit module, overvoltage crowbar module, described drive circuit module comprises twin voltage comparator LM393, the analog input end vin-of twin voltage comparator LM393 is connected by R17 and 12V voltage, by R18 ground connection, the IOPA6 that the analog input end vin+ of twin voltage comparator LM393 has PWM function mouth by resistance R59 and digital signal processor DPS is connected, the output of twin voltage comparator LM393 is connected with the G pin of metal-oxide-semiconductor with resistance R20, pull-up resistor R21 one end is connected with the analog input end vin+ of twin voltage comparator LM393 and external power supply 12V, the other end is connected with electronics R20, D pin and the digital signal processor DPS of metal-oxide-semiconductor Q4 have PWM3 pin and are connected, the S pin ground connection of metal-oxide-semiconductor.
As a kind of specific embodiment, digital signal processor DPS comprises digital I/O mouth module, described digital I/O module is connected with a relay circuit, numeral I/O mouth module has the function of control special I/O and multiplexing pins, input low and high level signal can be exported, be designed to output switch parameter input according to its function, and used its control relay.
As a kind of specific embodiment, relay circuit comprises comparator AM2A, comparator AM2A analog input end vin+ connects pin IOPB4, comparator AM2A analog input end vin-ground connection, the output contact resistance R57 of comparator AM2A and the base stage of triode Q8, the collector electrode of triode Q8 is parallel with diode D20, relay K, and relay is provided with pin CNETA1, CNETA2, CNETA3, the grounded emitter of triode Q8.
As a kind of specific embodiment; overvoltage crowbar module comprises inductance L m, described inductance L m one end is connected with supply power voltage Vcc; the other end is divided into three-line; Article 1, connection triode VT1, triode VT2, resistance R8, diode D8; Article 2 circuit connects electric capacity C9, diode D8, diode D9, electric capacity C10 successively; Article 3 circuit is contact resistance R9, buffer capacitor C10 successively; described triode VT1 and diode VD1 inverse parallel, described triode VT2 and diode VD2 inverse parallel.
As a kind of specific embodiment, digital signal processor DPS comprises orthogonal encoder impulse circuit, and quadrature coding pulse circuit can be used for connecting photoelectric encoder to obtain position and the speed of rotating machinery.
As a kind of specific embodiment, orthogonal encoder impulse circuit comprises a DM74153 chip.
As a kind of specific embodiment, electronic circuit board is provided with RS232 serial ports and RJ45 interface, for refresh routine.
As mentioned above, a kind of precision machinery people that the utility model provides drives electronic circuit board, and electronic circuit board inputs to the servomotor in each joint of industrial robot after alternating current is carried out conservative control, control the rotation of motor, thus reach the object driving industrial robot motion.This electronic circuit board can change voltage or current-controlled dc motor speed and torque.Pulse width modulation (PWM) on wiring board controls the switching time to high power transistor switching amplifier, alternating voltage is converted to the square-wave voltage of a certain frequency, is added to the armature two ends of servomotor, by the control to Square wave pulses width, change the average voltage at armature two ends to reach and regulate motor speed, this advantage is that speed governing is convenient, can stepless speed regulation, speed-regulating range width, low-speed performance is good, and detent torque is large, and starting current is little, operate steadily, torque and rotational speed easily controls.The drive circuit power output of this electronic circuit board is comparatively large, and control precision is high, can accurately locate at a high speed, and structural behaviour is good, is specially adapted to medium and small load, the robot high to position control accuracy.This electronic circuit board is provided with RS232 serial ports and RJ45 interface, and user can more newer driver as required.So the utility model effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (7)
1. a precision machinery people drives electronic circuit board, it is characterized in that: comprise drive circuit module, overvoltage crowbar module, described drive circuit module comprises twin voltage comparator LM393, the analog input end vin-of twin voltage comparator LM393 is connected by R17 and 12V voltage, by R18 ground connection, the IOPA6 that the analog input end vin+ of twin voltage comparator LM393 has PWM function mouth by resistance R59 and digital signal processor DPS is connected, the output of twin voltage comparator LM393 is connected with the G pin of metal-oxide-semiconductor with resistance R20, pull-up resistor R21 one end is connected with the analog input end vin+ of twin voltage comparator LM393 and external power supply 12V, the other end is connected with electronics R20, D pin and the digital signal processor DPS of metal-oxide-semiconductor Q4 have PWM3 pin and are connected, the S pin ground connection of metal-oxide-semiconductor.
2. a kind of precision machinery people according to claim 1 drives electronic circuit board, it is characterized in that: described digital signal processor DPS comprises digital I/O mouth module, and described digital I/O module is connected with a relay circuit.
3. a kind of precision machinery people according to claim 2 drives electronic circuit board, it is characterized in that: described relay circuit comprises comparator AM2A, comparator AM2A analog input end vin+ connects pin IOPB4, comparator AM2A analog input end vin-ground connection, the output contact resistance R57 of comparator AM2A and the base stage of triode Q8, the collector electrode of triode Q8 is parallel with diode D20, relay K, relay is provided with pin CNETA1, CNETA2, CNETA3, the grounded emitter of triode Q8.
4. a kind of precision machinery people according to claim 1 drives electronic circuit board, it is characterized in that: described overvoltage crowbar module comprises inductance L m, described inductance L m one end is connected with supply power voltage Vcc, the other end is divided into three-line, Article 1, connection triode VT1, triode VT2, resistance R8, diode D8, Article 2 circuit connects electric capacity C9 successively, diode D8, diode D9, electric capacity C10, Article 3 circuit is contact resistance R9 successively, buffer capacitor C10, described triode VT1 and diode VD1 inverse parallel, described triode VT2 and diode VD2 inverse parallel.
5. a kind of precision machinery people according to claim 4 drives electronic circuit board, it is characterized in that: described digital signal processor DPS comprises orthogonal encoder impulse circuit.
6. a kind of precision machinery people according to claim 5 drives electronic circuit board, it is characterized in that: orthogonal encoder impulse circuit comprises a DM74153 chip.
7. a kind of precision machinery people according to claim 1 drives electronic circuit board, it is characterized in that: described electronic circuit board is provided with RS232 serial ports and RJ45 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520038957.5U CN204316394U (en) | 2015-01-21 | 2015-01-21 | A kind of precision machinery people drives electronic circuit board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520038957.5U CN204316394U (en) | 2015-01-21 | 2015-01-21 | A kind of precision machinery people drives electronic circuit board |
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| CN204316394U true CN204316394U (en) | 2015-05-06 |
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| CN201520038957.5U Active CN204316394U (en) | 2015-01-21 | 2015-01-21 | A kind of precision machinery people drives electronic circuit board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959420A (en) * | 2017-12-26 | 2018-04-24 | 深圳市恒浩伟业科技有限公司 | A kind of step-up/step-down circuit |
-
2015
- 2015-01-21 CN CN201520038957.5U patent/CN204316394U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959420A (en) * | 2017-12-26 | 2018-04-24 | 深圳市恒浩伟业科技有限公司 | A kind of step-up/step-down circuit |
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