CN202309596U - Servo driving device - Google Patents
Servo driving device Download PDFInfo
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- CN202309596U CN202309596U CN2011203524231U CN201120352423U CN202309596U CN 202309596 U CN202309596 U CN 202309596U CN 2011203524231 U CN2011203524231 U CN 2011203524231U CN 201120352423 U CN201120352423 U CN 201120352423U CN 202309596 U CN202309596 U CN 202309596U
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Abstract
The utility model discloses a servo driving device which is connected with a motor, wherein the servo driving device and the motor are both connected with a power supply module; the servo driving device comprises a microprocessor used for controlling the revolving speed and the revolving direction of the motor, the output current and the rotor position; and the microprocessor is provided with a plurality of interfaces used for accessing various functional modules. The servo driving device disclosed by the utility model stable performance and can be connected with various function modules.
Description
Technical field
The utility model relates to a kind of servo drive, more particularly, relates to a kind of servo drive that drives alternating current machine.
Background technology
Servo drive has all obtained using widely on many high-tech areas, in various fields such as Digit Control Machine Tool, robot, packaging facilities, radar, military weapon servomechanism, Aero-Space and frequency converter.Along with the develop rapidly of every field, to the requirement of servo drive also increasingly stringent, different application environments also is not quite similar to the performance requirement of servo drive.
Existing AC permanent-magnet synchronous servo motor and encoder have obtained using widely in servo drive.In control procedure to motor; Comprise rotating speed of motor, turn to; Output current and rotor-position and man-machine interface all should be accomplished in high-performance microprocessor in interior necessary control algolithm; This proposes higher requirement to performance of microprocessor, for the requirement of the high real-time that satisfies servo drive control, big capacity memory headroom, enriches peripheral functionality and reliable and stable performance.
Therefore, provide a kind of servomechanism installation that possesses new type microprocessor to become the problem that presses for solution.
The utility model content
The technical problem that the utility model will solve is, to defective of the prior art, provide a kind of stable performance, can external multiple functional module servo drive.
The utility model solves the technical scheme that its technical problem adopted: a kind of servo drive is provided; Said servo drive is connected with motor; And said servo drive and said motor all are connected with power module; Said servo drive comprises and is used to control motor speed, turns to that the microprocessor of output current and rotor-position, said microprocessor are provided with a plurality of interfaces that are used to insert various functional modules.
In the described servo drive of the utility model; Said microprocessor also is provided with and interconnectively is used to control motor speed, turns to the event management unit of output current and rotor-position and the CPU that is connected said functional module through said interface;
Said interface comprises digital input-output interface and Serial Peripheral Interface (SPI);
Said microprocessor also is provided with the communication module that is connected with said event management unit.
In the described servo drive of the utility model, said servo drive also comprises commutation inversion module, and said power module passes through said commutation inversion module to motor and microprocessor power supply.
In the described servo drive of the utility model; Said commutation inversion module comprises the inversion unit that is used for being supplied to the rectification filtering unit of said microprocessor power supply and after being used for the current inversion with said rectification filtering unit output said motor, and said inversion unit links to each other with said microprocessor through the photoelectricity coupling module.
In the described servo drive of the utility model, said servo drive also comprises the current sampling signal conditioning module, and said current sampling signal conditioning module connects said motor, and is connected with said event management unit through said communication module.
In the described servo drive of the utility model, said motor is provided with the incremental encoder that is used to obtain rotor position information, and said incremental encoder is provided with encoder interfaces;
Said servo drive also comprises the complex programmable logic device (CPLD) unit, and said CPLD unit connects incremental encoder through said encoder interfaces, and connects said event management unit through communication module.
In the described servo drive of the utility model, said functional module comprises outer memory module, and said outer memory module connects said CPU through said Serial Peripheral Interface (SPI).
In the described servo drive of the utility model; Said functional module comprises keyboard display module and fault detection module; Said keyboard display module is connected said CPU through said digital input-output interface respectively with fault detection module, and said fault detection module connects commutation inversion module.
In the described servo drive of the utility model, said motor is an AC servo motor.
In the described servo drive of the utility model, said AC servo motor is the AC permanent-magnet synchronous servo motor.
A kind of beneficial effect of the utility model is: the servo drive of the utility model is provided with the microprocessor of many interfaces, can insert multiple functional module, can insert External memory equipment simultaneously, increases its memory capacity; Said microprocessor is used to control motor speed, turns to, and output current and rotor-position receive the feedback signal of motor and it is correspondingly controlled, and form a closed-loop control, stable performance with motor.
Description of drawings
To combine accompanying drawing and embodiment that the utility model is described further below, in the accompanying drawing:
Fig. 1 is the structural representation according to an embodiment of the utility model servo drive.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The servo drive of the utility model is used for drive motors 7 and rotates, and to the rotating speed of motor 7, turn to, output current and rotor-position are controlled, servo drive connects motor 7, and has power module 9 to connect servo drive and motor 7 respectively.Servo drive comprises and is used to control motor 7 rotating speeds, turns to, the microprocessor 1 of output current and rotor-position, and microprocessor 1 is provided with a plurality of interfaces, is used to insert various functional modules.The author language of the microprocessor of present embodiment can adopt the C Language And Assembly Language to mix and write, and maintains easily, upgrades.The microprocessor that present embodiment adopts is Infineon's single-chip microcomputer, and model is XE164, but is not limited to product and model that present embodiment is selected for use.
In addition, the motor in the utility model 7 is an AC servo motor; Preferably adopt the AC permanent-magnet synchronous servo motor.
Microprocessor also is provided with event management unit 10, CPU 11 and communication module 12.Event management unit 10 is used to control motor 7 rotating speeds, turns to, input current and rotor-position; CPU 11 linkage function modules also are used for data that the processing capacity module uploads and it are made feedback, and CPU 11 is connected with functional module through interface; CPU 11 links to each other with event handling unit 10;
Interface comprises digital input-output interface (Digital I interface) and Serial Peripheral Interface (SPI) (SPI interface);
Functional module comprises outer memory module 4, keyboard display module 5, fault detection module 6 etc.
Communication module 12 is connected with event management unit 10, is used for the information exchange of 1 of motor 7 and microprocessor.Communication module 12 is provided with quadrature coding pulse passage (QEP passage) and is used for analog-to-digital conversion passage (AD passage).
Be provided with commutation inversion module 8 between motor 7 and the power module 9; Commutation inversion module 8 comprises rectification filtering unit 81 and inversion unit; The realization one " AC-DC-interchange " of civil power is changed, and promptly rectifying and wave-filtering carries out the process of inversion again, thereby forms the electric current that is suitable for motor 7.Simultaneously rectification filtering unit 81 links to each other with microprocessor 1, will pass through rectifying and wave-filtering and without the voltage supply microprocessor 1 of inversion.The voltage that present embodiment is supplied with microprocessor 1 is positive 5V, has simplified supply power mode greatly.
The inversion unit 82 of commutation inversion module 8 through photoelectricity coupling module 13 directly with microprocessor 1 in event management unit 10 link to each other.Event management unit 10 output pulse width modulation (PWM) signals; This signal directly gets into inversion unit piece 82 through photoelectricity coupling module 13; Change the current conversion mechanism of inversion unit 82, thereby change the electric current of exporting to motor 7, thus the rotating speed when changing motor 7 operations with turn to.
Motor 7 can produce the feedback signal of input current in running.Therefore; Servo drive also comprises the current sampling signal conditioning module 2 that is used to gather this feedback signal; After current sampling signal conditioning module 2 collects feedback signal, this feedback signal is transferred to event management unit 10 through the AD passage on the communication module 12.The 10 pairs of feedback signals in event handling unit are carried out analyzing and processing, and correspondingly send pwm signal, send to inversion unit 82 through photoelectricity coupling module 13, thereby the electric current of input is adjusted.
Motor 7 can produce the feedback signal of rotor-position in running.Motor 7 is provided with the incremental encoder 71 that is used to obtain rotor position information, and incremental encoder 71 is provided with encoder interfaces; Simultaneously, servo drive also comprises complex programmable logic device (CPLD) unit 3, and CPLD unit 3 connects incremental encoder 71 through encoder interfaces, and passes through the QEP passage connection event administrative unit 10 of communication module 12.After the CPLD unit obtains rotor position information from incremental encoder 71, give event management unit 10 through the QEP channel transfer; After 10 pairs of rotor position informations of event management unit carry out analyzing and processing; Like need adjustment rotor-position; Event management unit 10 will be adjusted signal through the QEP passage and send to CPLD unit 3, and CPLD unit 3 feeds back to incremental encoder 71 through encoder interfaces, thereby realize the control to motor 7.
Servo drive also is provided with outer memory module 4 and keyboard display module 5, and outer memory module 4 connects CPU 11 through the SPI interface, and keyboard display module 5 connects CPU 11 through the Digital I interface.The rotating speed of 10 pairs of motors 7 of event management unit, turn to, output current and rotor-position etc. control after the adjustment; Control Parameter is uploaded to CPU 11; 11 pairs of Control Parameter of uploading of CPU show at keyboard display module 12; And can carry out button operation through keyboard display module 12 and import data or operation command; CPU 11 is given in these data or order passback, and CPU 11 is transferred to event management unit with it and carries out analyzing and processing, and the correspondingly operation of control adjustment motor 7; Final CPU 11 sends to outer memory module 4 with the Control Parameter of optimum and preserves.
Servo drive also is provided with fault detection module 6, and fault detection module 6 connects CPU 11 through the Digital I interface.Fault detection module 6 connects DC filtering unit 81; And it is detected, when power module 9 operation irregularities, fault detection module 6 can detect an abnormal signal from DC filtering unit 81; Fault detection module 6 is uploaded to CPU 11 with this abnormal signal; 11 pairs of alarm signals of CPU are carried out analyzing and processing, and will send stop signal to event management unit 10, and control motor 7 quit work it after event management unit 10 was received stop signal.
The functional module that the servo drive of the utility model inserts is not limited to above-mentioned three kinds, can correspondingly increase and decrease according to actual conditions.
The servo drive of the utility model is provided with many interfaces and high performance microprocessor 1, can insert multiple functional module through interface, makes full use of the performance of microprocessor 1; Microprocessor 1 also can insert External memory equipment simultaneously, increases its memory capacity; Said microprocessor 1 is used to control motor speed, turns to, and output current and rotor-position receive the feedback signal of motor and it is correspondingly controlled, and form a closed-loop control, stable performance with motor.
Though the utility model describes through specific embodiment, it will be appreciated by those skilled in the art that, under the situation that does not break away from the utility model scope, can also carry out various conversion and be equal to alternative the utility model.In addition, to particular condition or material, can make various modifications to the utility model, and not break away from the scope of the utility model.Therefore, the utility model is not limited to disclosed specific embodiment, and should comprise the whole execution modes that fall in the utility model claim scope.
Claims (10)
1. servo drive; Said servo drive is connected with motor (7); And said servo drive and said motor (7) all are connected with power module (9), it is characterized in that, said servo drive comprises and is used to control motor (7) rotating speed, turns to; The microprocessor of output current and rotor-position (1), said microprocessor (1) is provided with a plurality of interfaces that are used to insert various functional modules.
2. servo drive according to claim 1; It is characterized in that; Said microprocessor (1) also is provided with and interconnectively is used to control motor (7) rotating speed, turns to event management unit of output current and rotor-position (10) and the CPU (11) that is connected said functional module through said interface;
Said interface comprises digital input-output interface and Serial Peripheral Interface (SPI);
Said microprocessor also is provided with the communication module (12) that is connected with said event management unit.
3. servo drive according to claim 2 is characterized in that, said servo drive also comprises commutation inversion module (8), and said power module is supplied power to motor (3) and microprocessor (1) through said commutation inversion module (8).
4. servo drive according to claim 3; It is characterized in that; Said commutation inversion module (8) comprises the inversion unit (82) that is used for being supplied to the rectification filtering unit (81) of said microprocessor (1) power supply and after being used for the current inversion with said rectification filtering unit output said motor (3), and said inversion unit (82) links to each other with said microprocessor (1) through photoelectricity coupling module (13).
5. servo drive according to claim 4; It is characterized in that; Said servo drive also comprises current sampling signal conditioning module (2); Said current sampling signal conditioning module (2) connects said motor (7), and is connected with said event management unit (10) through said communication module (12).
6. servo drive according to claim 5 is characterized in that, said motor (7) is provided with the incremental encoder (71) that is used to obtain rotor position information, and said incremental encoder (71) is provided with encoder interfaces;
Said servo drive also comprises CPLD unit, complex programmable logic unit (3), and said CPLD unit (3) connects incremental encoder (71) through said encoder interfaces, and connects said event management unit (10) through communication module (12).
7. servo drive according to claim 6 is characterized in that, said functional module comprises outer memory module (4), and said outer memory module connects said CPU (11) through said Serial Peripheral Interface (SPI).
8. servo drive according to claim 7; It is characterized in that; Said functional module comprises keyboard display module (5) and fault detection module (6); Said keyboard display module (5) is connected said CPU (11) through said digital input-output interface respectively with fault detection module (6), and said fault detect (6) module connects commutation inversion module (8).
9. according to any described servo drive of claim 1～8, it is characterized in that said motor (7) is an AC servo motor.
10. servo drive according to claim 9 is characterized in that, said AC servo motor is the AC permanent-magnet synchronous servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203524231U CN202309596U (en) | 2011-09-20 | 2011-09-20 | Servo driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203524231U CN202309596U (en) | 2011-09-20 | 2011-09-20 | Servo driving device |
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| Publication Number | Publication Date |
|---|---|
| CN202309596U true CN202309596U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203524231U Expired - Fee Related CN202309596U (en) | 2011-09-20 | 2011-09-20 | Servo driving device |
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| CN (1) | CN202309596U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104536355A (en) * | 2015-01-21 | 2015-04-22 | 浙江新富凌电气股份有限公司 | Servo driver with touch screen |
| CN105227031A (en) * | 2015-10-14 | 2016-01-06 | 南京智御恒品智能科技有限公司 | A kind of servomotor controller |
-
2011
- 2011-09-20 CN CN2011203524231U patent/CN202309596U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104536355A (en) * | 2015-01-21 | 2015-04-22 | 浙江新富凌电气股份有限公司 | Servo driver with touch screen |
| CN105227031A (en) * | 2015-10-14 | 2016-01-06 | 南京智御恒品智能科技有限公司 | A kind of servomotor controller |
| CN105227031B (en) * | 2015-10-14 | 2017-11-07 | 国网江苏省电力公司泰兴市供电公司 | A kind of servomotor controller |
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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 |
Granted publication date: 20120704 Termination date: 20170920 |
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| CF01 | Termination of patent right due to non-payment of annual fee |