CN206532114U

CN206532114U - servo controller

Info

Publication number: CN206532114U
Application number: CN201720141531.1U
Authority: CN
Inventors: 蒋伟; 王秀军; 杨保龙; 李美玉
Original assignee: Nanjing Solid State Electronic Technology Co Ltd
Current assignee: Nanjing Solid State Electronic Technology Co Ltd
Priority date: 2017-02-16
Filing date: 2017-02-16
Publication date: 2017-09-29
Anticipated expiration: 2027-02-16

Abstract

The utility model discloses a kind of servo controller, aim to provide the servo controller of one kind of multiple communication interfaces, solve the problem of signal communication is inconvenient, its drip irrigation device is to include MCU module, serial port module, wireless module, network interface module, parallel port module, D/A module, FPGA module, I/O modules, and the serial port module, wireless module are to receive command signal and be connected with MCU module communication；The network interface module, parallel port module are to receive follow-up signal and be connected with MCU module communication；The D/A module, FPGA module, I/O modules are connected with MCU module respectively, and the D/A module, FPGA module, I/O modules with turntable mechanism also to be connected.

Description

Servo controller

Technical field

The utility model is related to servo controller.

Background technology

Existing Publication No. CN202512441U follow-up illumination angle precise control device, it includes imaging viewing field angle letter Breath Acquisition Circuit, imaging viewing field angle information Acquisition Circuit are connected with servo controller, and the servo controller includes being micro-control Device processed, the microcontroller is electrically connected with impulse generator and pulse counter, the impulse generator and driving stepper motor Chip is electrically connected, and the motor drive ic is connected with stepper motor, and the stepper motor is connected with luminaire camera lens；The arteries and veins Rush generator to electrically connect with pulse accumulator, the pulse accumulator is electrically connected with microcontroller.

Its in the course of the work, when servo controller works, its receive signal be divided into command signal and follow-up signal, Current servo controller is generally using simplex or the data communication mode of half-duplex operation, its data communication interface ratio It is more single, thereby result in data transmission bauds slowly, when servo controller needs to be extended other functions, need multiple with other When equipment is communicatively coupled, communication structure is resulted in and can not meet and require that.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide the servo-actuated control with multiple communication interface Device processed.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of servo controller, Including MCU module, serial port module, wireless module, network interface module, parallel port module, D/A module, FPGA module, I/O modules, it is special Levy and be：The serial port module, wireless module are to receive command signal and be connected with MCU module communication；The network interface module, Parallel port module is to receive follow-up signal and be connected with MCU module communication；The D/A module, FPGA module, I/O modules respectively with MCU module is connected, and the D/A module, FPGA module, I/O modules with turntable mechanism also to be connected.

By above-mentioned setting, line number is separately entered by setting up communication, and by command signal and follow-up signal According to communication, so as to avoid the raising of signal error rate, by signal error rate, signal transmission efficiency is improved, is easy to outside other Controller carries out communication connection to it, and facility is provided for servo antrol.

Can be preferably as concrete scheme of the present utility model：The MCU module uses chip TMS320F28335.

By above-mentioned setting, this chip is existing product, and it has faster processing speed and abundant pin resource, just Various communications more than realizing.

Can be preferably as concrete scheme of the present utility model：The FPGA module uses chip EP2C8T144I8.

By above-mentioned setting, using Embedded Hardware Design, with the integrated of height, and with powerful logic Reason ability so that the communication between signal is more stablized.

Can be preferably as concrete scheme of the present utility model：The serial port module is logical using serial peripheral equipment interface SPI Circuit is interrogated, using chip MAX532, or using CAN mouthfuls of communicating circuits, or RS485 communicating circuits are used, or using RS232 electricity Road.

By above-mentioned setting, using this communication, the scope of application is improved.

Can be preferably as concrete scheme of the present utility model：Described wireless module uses model ATK- ESP8266 WIFI module.

By above-mentioned setting, the cumbersome of configuration can be reduced by WIFI module, can also connect up, be laid out, fixing The steps such as cable, so as to improve the convenience used.

Can be preferably as concrete scheme of the present utility model：The I/O modules are gone here and there using chip MC3486 and DB9 Mouthful.

By above-mentioned setting, DB9 serial port that can be conveniently and on turntable mechanism by this DB9 serial port is connected with each other.

Can be preferably as concrete scheme of the present utility model：Also include temperature prompt circuit, the temperature prompt electricity Road includes temperature sensor, comparator, reference circuit, indicator lamp, and the temperature sensor connects the in-phase end of comparator, benchmark Circuit connects the end of oppisite phase of comparator, the output end connection indicator lamp of comparator.

By above-mentioned setting, it is operated under the temperature range of a safety, typically sets the temperature of safety in order that obtaining it Put at 75 degrees Celsius once, by this circuit can the effective working environment of cue circuit temperature conditions, in the event of temperature Exceeded phenomenon, then can notify staff to carry out effective cooling processing.

In summary, the utility model has the advantages that：Using various communication interfaces and communication modes, so as to carry The number of species of the data communication method of high servo controller, and integrated chip is used, improve integrated level and signal transacting energy Power.

Brief description of the drawings

Fig. 1 is the circuit block diagram of the present embodiment；

Fig. 2 is the circuit diagram of the SPI communicating circuits of the present embodiment；

Fig. 3 is the circuit diagram of the wireless module of the present embodiment；

Fig. 4 is the circuit diagram of the I/O modules of the present embodiment；

Fig. 5 is the circuit diagram of DB9 serial port；

Fig. 6 is the circuit diagram of D/A module；

Fig. 7 is the circuit diagram of temperature prompt circuit.

101, MCU module in figure；102nd, serial port module；103rd, wireless module；104th, network interface module；105th, parallel port module； 106th, D/A module；107th, FPGA module；108th, I/O modules；200th, temperature prompt circuit；201st, temperature sensor；202nd, compare Device；203rd, reference circuit；204th, indicator lamp.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment：

A kind of servo controller, as shown in figure 1, including MCU module 101, serial port module 102, wireless module 103, network interface Module 104, parallel port module 105, D/A module 106, FPGA module 107, I/O modules 108, it is characterised in that：Serial port module 102, Wireless module 103 is to receive command signal and be connected with the communication of MCU module 101；Network interface module 104, parallel port module 105 are used to Receive follow-up signal and be connected with the communication of MCU module 101；D/A module 106, FPGA module 107, I/O modules 108 respectively with MCU Module 101 is connected, and D/A module 106, FPGA module 107, I/O modules 108 with turntable mechanism also to be connected.

MCU module 101 is using chip TMS320F28335.This chip is existing product, and its function and minimum system can be with Referring to its databook, the function of its chip is disclosed on databook, will not be described here.

FPGA module 107 is using chip EP2C8T144I8.This chip can also be referring to its databook.Using embedded Hardware design, with the integrated of height, and with powerful logic processing capability so that the communication between signal is more steady It is fixed.

As shown in Fig. 2 serial port module 102 uses serial peripheral equipment interface SPI communicating circuit, using chip MAX532.For Serial port module 102 can also use CAN mouthfuls of communicating circuit of the prior art, or use RS485 communicating circuits, or use RS232 circuits.CAN mouthfuls of communication modules are carried inside it for chip TMS320F28335.For RS485 communicating circuits and RS232 circuits are also possible.Using this communication, the scope of application is improved.

As shown in figure 3, WIFI module of the wireless module 103 using model ATK-ESP8266.Can be with by WIFI module The cumbersome of configuration is reduced, can also connect up, be laid out, the step such as fixed cable, so as to improve the convenience used.

As shown in figure 4, I/O modules 108 use chip MC3486 and DB9 serial port.By this DB9 serial port can conveniently and DB9 serial port on turntable mechanism is connected with each other.

MCU module 101 is high-precision using the high speed based on chip TMS320F28335, at the control of high integration Module is managed, it is provided with communication interface, I/O interfaces, high speed encoder signaling interface, DA interfaces and AD interfaces.One, which can be completed, is Arrange complicated control logic and control computing.Concrete function is introduced：

1st, communication interface, this servo controller is designed with multiple communication interfaces, and signal type, which is divided into, specifies and follow-up signal, Command signal includes starting stop signal, and position target value, triangular wave, square wave, sine wave signal generator, these signals are real When property is not especially high；Follow-up signal is for High Precision Simulation control, it is desirable to which turntable provides signal according to user and carried out in real time Response, the frequency response requirement for having double ten indexs.

User carries out data interaction by these interfaces and servo controller, including sends instruction letter to MCU module 101 Number, order or be servo-actuated emulation signal, servo controller is received instruction or the signal of host computer by communication interface, carried out Quick response processing, with being required according to user, control turntable is with signalizing activity.User can be by these communication interfaces to control simultaneously Box processed requires signal feedback.

2nd, FPGA module 107, multiplex coding device signal is linked into FPGA module 107, and FPGA carries out high speed processing, then It is transferred to by address wire and data wire in MCU module 101 and participates in control.

3rd, as shown in fig. 6, D/A module 106 can set 8, with 8 road DA signaling interfaces, it can send 8 tunnels ± 10V's Analog signalses.The encoder feedback signal that MCU module 101 is read in by the host computer signal of reception and from FPGA carries out PID After control, final controlled quentity controlled variable voltage is produced, D/A module 106 is sent to by interface, D/A module 106 becomes again by processing Analog quantity voltage into ± 10V passes out to outside control amplifier, so as to control turntable to be acted by user's requirement.

As shown in fig. 7, temperature prompt circuit 200, temperature prompt circuit 200 include temperature sensor 201, comparator 202, Reference circuit 203, indicator lamp 204.Temperature sensor 201 connects the in-phase end of comparator 202, and the connection of reference circuit 203 is compared The end of oppisite phase of device 202, the output end connection indicator lamp 204 of comparator 202.Temperature sensor 201 uses thermo-sensitive resistor, with temperature The rise of degree, the voltage of output is also increased.Reference circuit 203 includes resistance R22, potentiometer Rp.By Fig. 7 connection it Afterwards, the reference signal Vref1 of its output is Celsius so as to which comparator 202 is set as into temperature is more than 75 as benchmark High level is exported when spending, so that indicator lamp 204 is lighted.By this circuit can the effective working environment of cue circuit temperature Degree situation, in the event of temperature exceeding standard phenomenon, then can notify staff to carry out effective cooling processing.

This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected in right of the present utility model by Patent Law.

Claims

1. a kind of servo controller, including MCU module (101), serial port module (102), wireless module (103), network interface module (104), parallel port module (105), D/A module (106), FPGA module (107), I/O modules (108), it is characterised in that：The string Mouth mold block (102), wireless module (103) are to receive command signal and be connected with MCU module (101) communication；The network interface mould Block (104), parallel port module (105) are to receive follow-up signal and be connected with MCU module (101) communication；The D/A module (106), FPGA module (107), I/O modules (108) are connected with MCU module (101) respectively, and the D/A module (106), FPGA Module (107), I/O modules (108) with turntable mechanism also to be connected.

2. servo controller according to claim 1, it is characterised in that：The MCU module (101) uses chip TMS320F28335。

3. servo controller according to claim 1, it is characterised in that：The FPGA module (107) uses chip EP2C8T144I8。

4. servo controller according to claim 1, it is characterised in that：The serial port module (102) uses serial peripheral Interface SPI communicating circuits, using chip MAX532, or using CAN mouthfuls of communicating circuits, or use RS485 communicating circuits, or use RS232 circuits.

5. servo controller according to claim 1, it is characterised in that：Described wireless module (103) uses model ATK-ESP8266 WIFI module.

6. servo controller according to claim 1, it is characterised in that：The I/O modules (108) are using chip MC3486 And DB9 serial port.

7. servo controller according to claim 1, it is characterised in that：Also include temperature prompt circuit (200), the temperature Spending cue circuit (200) includes temperature sensor (201), comparator (202), reference circuit (203), indicator lamp (204), described The in-phase end of temperature sensor (201) connection comparator (202), the end of oppisite phase of reference circuit (203) connection comparator (202), The output end connection indicator lamp (204) of comparator (202).