CN105224265A - A kind of 3D printer control system - Google Patents
A kind of 3D printer control system Download PDFInfo
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- CN105224265A CN105224265A CN201510616166.0A CN201510616166A CN105224265A CN 105224265 A CN105224265 A CN 105224265A CN 201510616166 A CN201510616166 A CN 201510616166A CN 105224265 A CN105224265 A CN 105224265A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The present invention proposes a kind of 3D printer control system, comprise one for controlling printing device and carrying out mutual micro-control unit MCU with external equipment, micro-control unit MCU connects USB interface, SD card interface, X-axis origin sensor, Y-axis origin sensor, Z axis origin sensor, rotary encoder, hott bed temperature sensor, nozzle temperature sensor, the driving of X-axis motor, y-axis motor driving, the driving of Z axis motor, extruder driving, fan, hott bed well heater, printhead heater and OLED screen respectively.The present invention is compared with existing 3D printer control system, only adopt a micro-control unit MCU, the interface and the processing capacity that make full use of micro-control unit MCU combine with each function peripheral hardware, its control structure is simple, reasonable in design, under the prerequisite controlling printer precise Printing, make circuit board miniaturization, reduce making sheet cost and control system operation power consumption.
Description
Technical field
The present invention relates to 3D printer technology field, particularly relate to a kind of 3D printer control system.
Background technology
It is a kind of based on digital model file that 3D prints, with powdery metal or plastics etc. have can stickum for material, being moulded the technology of model by the mode successively printed, is the one of rapid shaping technique.3D printer is a kind of device of rapid shaping technique, and it is made up of Control Component, mechanical component, consumptive material etc.The precision that model prints and effect determine primarily of Control Component.Control Component controls nozzle temperature, can affect the wire squeeze effect of consumptive material, cause consumptive material sex change time serious, finally cause shower nozzle to block when nozzle temperature can not keep constant in print procedure; Control Component controls hott bed temperature, affects the adhesiving effect of model at print platform when hott bed is too high or too low for temperature; Control Component controls the motion of each locating shaft, is connected not tight between motion, and location is inaccurate easily causes elliptical gear, and processing etc. crossed by model; Control Component controls extruder wire squeeze, easily makes the model consumable quantity of printing not enough or too much, affect printing effect when wire squeeze cut to lengthen out of true.The controlling functions of Control Component realizes primarily of control system, existing pair of shower nozzle 3D printer control system circuit structure more complicated, the multiple DSP of usual employing or multiple FPGA adds the form of ARM as core controller, add each function peripheral hardware and form whole control system, thus cause control system too complicated, control system too complexity not only increases device power consumption and is also unfavorable for that device dispels the heat, and affects function and the life-span of controller, also makes cost higher simultaneously.
Summary of the invention
In order to solve the problem, the invention provides a kind of 3D printer control system.The object of the invention is the control structure in order to simplify controller, extending the serviceable life of each device of printer, reduce the making sheet cost of controller and run power consumption.
The present invention realizes above-mentioned purpose and is achieved through the following technical solutions:
A kind of 3D printer control system, comprise one for controlling printing device and carrying out mutual micro-control unit MCU with external equipment, micro-control unit MCU connects USB interface respectively, SD card interface, X-axis origin sensor, Y-axis origin sensor, Z axis origin sensor, rotary encoder, hott bed temperature sensor, shower nozzle 1 temperature sensor, shower nozzle 2 temperature sensor, X-axis motor drives, y-axis motor drives, Z axis motor drives, extruder 1 drives, extruder 2 drives, fan 1, fan 2, hott bed well heater, shower nozzle 1 well heater, shower nozzle 2 well heater and OLED screen.
In technique scheme, described micro-control unit MCU selects ATMEGA2560 chip.
In technique scheme, usb circuit is sent pin by ATMEGA16U2 chip and the UART0 of micro-control unit MCU and is received pin and be connected, and formation UART bus interface, realizes usb communication.
In technique scheme, SD card interface circuit is connected by the spi bus master control input and output pin of connector and micro-control unit MCU, spi bus serial clock pin, the driven selection input pin of SPI and external memory address latch enable pin, forms spi bus interface.
In technique scheme, PT100 temperature sensor all selected by hott bed temperature sensor, shower nozzle 1 temperature sensor and shower nozzle 2 temperature sensor.
In technique scheme, X-axis motor drives, y-axis motor drives, Z axis motor drives, extruder 1 drives and extruder 2 drives selected motor drive ic to be A4988 high-precision motor driving chip.
The operation method of described 3D printer controller:
Micro-control unit MCU carries out interactive communication by USB interface and external unit, and micro-control unit MCU receives the control command that external unit sends, and controls each coupled function peripheral hardware, realizes the online controlling functions of printer;
Micro-control unit MCU is linked by SD card interface and SD and connects, and stores the model Print Control order containing shower nozzle and hott bed and need the coordinate position parameter of movement and translational speed parameter, the wire squeeze length parameter of extruder and wire squeeze speed parameter, the opening degree parameter of fan, the heating-up temperature parameter of well heater in SD card; First initial point calibration is carried out by X-axis origin sensor, Y-axis origin sensor and Z axis origin sensor; Then micro-control unit MCU reads and the heating-up temperature parameter of resolving in the model Print Control order in SD card controls hott bed well heater, shower nozzle 1 well heater, shower nozzle 2 well heater, makes hott bed and shower nozzle reach preset temperature; Micro-control unit MCU reads and the shower nozzle of resolving in the model Print Control order in SD card and hott bed moving coordinate location parameter and translational speed parameter, wire squeeze length parameter and wire squeeze speed parameter control each spindle motor and extruder motion implementation model prints afterwards, resolves the cooling that fan opening degree state modulator fan opening degree realizes printer model simultaneously; In print procedure, hott bed temperature sensor, shower nozzle 1 temperature sensor and shower nozzle 2 temperature sensor carry out Real-Time Monitoring to the temperature of micro-control unit MCU transmission temperature detection signal to hott bed, shower nozzle 1 and shower nozzle 2 respectively in real time, MCU controls the well heater of hott bed, shower nozzle 1 and shower nozzle 2 respectively according to detected temperatures signal, realizes the temp. control function of printer.
Micro-control unit MCU is connected with rotary encoder, OLED screen and carries out man-machine interaction, can realize the Measuring error function to fan, each spindle motor, extruder and shower nozzle and hott bed well heater:
Rotary encoder sends pulse electrical signal to micro-control unit MCU, micro-control unit MCU is according to current printer modes (OLED screen is shown as the interface regulating fan opening degree), resolve the pulse electrical signal received, trigger fan opening degree event, fan opening degree parameter is sent to fan interface circuit, upgrade the interface information of OLED screen simultaneously, show up-to-date fan opening degree parameter;
When OLED screen is shown as motor or extruder parameter adjustment interface, micro-control unit MCU utilizes the pulse electrical signal of the rotary encoder received, trigger corresponding motor and regulate event, the stepping of calibration motor, improve kinematic accuracy, upgrade the interface information of OLED screen, in real time the calibration parameter of each spindle motor of display and extruder simultaneously;
When OLED screen is shown as shower nozzle or hott bed temperature adjustment interface, micro-control unit MCU utilizes the pulse electrical signal of the rotary encoder received, trigger corresponding temperature and regulate event, regulate the heating-up temperature of shower nozzle and hott bed, detect shower nozzle and hott bed heating properties, upgrade the interface information of OLED screen, in real time the heating-up temperature of display shower nozzle and hott bed simultaneously.
Advantage of the present invention and beneficial effect are:
The present invention is compared with existing 3D printer control system, only adopt a micro-control unit MCU (ATMEGA2560), make full use of the interface of micro-control unit MCU (ATMEGA2560) and processing capacity respectively with USB interface, SD card interface, X-axis origin sensor, Y-axis origin sensor, Z axis origin sensor, rotary encoder, hott bed temperature sensor, shower nozzle 1 temperature sensor, shower nozzle 2 temperature sensor, X-axis motor drives, y-axis motor drives, Z axis motor drives, extruder 1 drives, extruder 2 drives, fan 1, fan 2, hott bed well heater, shower nozzle 1 well heater, shower nozzle 2 well heater and OLED screen combine, realize the control to two shower nozzle 3D printer, two shower nozzle 3D printer control system structures based on a MCU of the present invention are simple, reasonable in design, feature richness, the motion to two shower nozzles, wire squeeze and temperature can be realized control, realize the Measuring error function to fan, each spindle motor, extruder and well heater, realize the human-computer interaction function with peripheral hardware.The present invention simultaneously makes circuit board miniaturization under the prerequisite controlling printer precise Printing, reduces the operation power consumption of making sheet cost and control system.
Accompanying drawing explanation
Fig. 1 is the hardware block diagram of 3D printer control system of the present invention;
Fig. 2 is the interface circuit of micro-control unit MCU;
Fig. 3 is usb circuit;
Fig. 4 is SD card interface circuit;
Fig. 5 is X-axis origin sensor interface circuit;
Fig. 6 is Y-axis origin sensor interface circuit;
Fig. 7 is Z axis origin sensor interface circuit;
Fig. 8 is hott bed interface circuit of temperature sensor;
Fig. 9 is shower nozzle 1 interface circuit of temperature sensor;
Figure 10 is shower nozzle 2 interface circuit of temperature sensor;
Figure 11 is that X-axis motor drives interface circuit;
Figure 12 is that y-axis motor drives interface circuit;
Figure 13 is that Z axis motor drives interface circuit;
Figure 14 is that extruder 1 drives interface circuit;
Figure 15 is that extruder 2 drives interface circuit;
Figure 16 is fan interface circuit;
Figure 17 is hott bed well heater interface circuit;
Figure 18 is shower nozzle 1 well heater interface circuit;
Figure 19 is shower nozzle 2 well heater interface circuit;
Figure 20 is rotary encoder interface circuit;
Figure 21 is OLED screen interface circuit.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention will be further described in detail.
Figure 1 shows that the hardware block diagram of 3D printer control system of the present invention, comprise micro-control unit MCU, micro-control unit MCU connects USB interface respectively, SD card interface, X-axis origin sensor, Y-axis origin sensor, Z axis origin sensor, rotary encoder, hott bed temperature sensor, shower nozzle 1 temperature sensor (i.e. the first nozzle temperature sensor), shower nozzle 2 temperature sensor (i.e. the second nozzle temperature sensor), X-axis motor drives, y-axis motor drives, Z axis motor drives, extruder 1 drives (namely the first extruder drives), extruder 2 drives (namely the second extruder drives), fan 1 (i.e. the first fan), fan 2 (i.e. the second fan), hott bed well heater, shower nozzle 1 well heater (i.e. the first printhead heater), shower nozzle 2 well heater (i.e. the second printhead heater) and OLED screen.
By according to concrete interface circuit, the controlling functions of 3D printer control system in embodiment is described below.
Figure 2 shows that the interface circuit of micro-control unit MCU, micro-control unit MCU selects ATMEGA2560 chip, and ATMEGA2560 chip is 8 8-digit microcontrollers based on AVR core; Advanced risc architecture; 32 × 8 general purpose working registers; When working in 16MHz, performance is up to 16MIPS; Peripheral hardware feature: ATMEGA2560 chip has 54 railway digital IO interface, wherein 16 tunnels can be used as PWM output, be particularly suitable for the design needing a large amount of I/O interface, the communication interface simultaneously supported has UART interface, TWI interface, master/slave SPI serial line interface, wherein TWI interface can compatible I2C Bus Interface Design.
Figure 3 shows that usb circuit, this usb circuit is sent pin by ATMEGA16U2 chip and the UART0 of micro-control unit MCU and is received pin and be connected, and formation UART bus interface, realizes usb communication.PC by USB interface and printer communication, can be convenient to control printer or upgrade to printer, realize the interactive function of printer and peripherals.
Figure 4 shows that SD card interface circuit, this SD card interface circuit is connected by the spi bus master control input and output pin of connector and micro-control unit MCU, spi bus serial clock pin, the driven selection input pin of SPI and external memory address latch enable pin, forms spi bus interface; Micro-control unit MCU is linked by SD card interface and SD and connects, and realizes communicating of micro-control unit MCU and peripheral hardware.The print file that SD card stores are generally .gcode form, are the instructions of a kind of model Print Control, contain the parameter such as opening degree that shower nozzle and hott bed need the wire squeeze length of the coordinate position of movement, translational speed, extruder and wire squeeze speed, fan.Micro-control unit MCU reads print file, analytic model print command, and to the parameter information in corresponding interface sending controling instruction, completes model and print, realize the printing function of printer.Relevant information also can be stored into SD card by micro-control unit MCU, carries out data interaction.
The interface circuit of X-axis origin sensor, Y-axis origin sensor and Z axis origin sensor is respectively shown in Fig. 5-7, X-axis origin sensor, Y-axis origin sensor are connected with the two-way I/O pin of micro-control unit MCU respectively with one end of the interface circuit of Z axis origin sensor, and the other end is connected with X-axis origin sensor, Y-axis origin sensor and Z axis origin sensor respectively.Origin sensor is in order to limit the limit of sports record position of plant equipment; origin sensor selects mechanical stroke switch; origin sensor sends electric signal by interface circuit to micro-control unit MCU after producing mechanical shift; achieve and change mechanical shift into electric signal; after micro-control unit MCU receives electric signal; determine the position of printer X-axis initial point, Y-axis initial point and Z axis initial point; coordinate shift position relative when printer is printed according to origin position Confirming model, realizes printing stroke control function and the terminal position limitation protection function of printer.
The interface circuit of hott bed temperature sensor, shower nozzle 1 temperature sensor and shower nozzle 2 temperature sensor is respectively shown in Fig. 8-10, hott bed temperature sensor, shower nozzle 1 temperature sensor are connected with the ADC input channel pin of micro-control unit MCU respectively with one end of the interface circuit of shower nozzle 2 temperature sensor, and the other end is connected with PT100 temperature sensor (PT100 temperature sensor all selected by hott bed temperature sensor, shower nozzle 1 temperature sensor and shower nozzle 2 temperature sensor) respectively by connector.PT100 temperature sensor is a kind of resistance temperature detector made with platinum (Pt), and belong to positive resistance coefficient, resistance is little, highly sensitive.Interface circuit adopts two-wire system bridge connection to carry out temperature survey to PT100 temperature sensor, and the AD conversion interface that the differential pressure signal that electric bridge exports is amplified into microcontroller through amplifier is sampled.PT100 temperature sensor is by the temperature variation of change in resistance real time reaction hott bed, shower nozzle 1 and shower nozzle 2, the temperature of electric signal to hott bed, shower nozzle 1 and shower nozzle 2 that micro-control unit MCU receiving sensor circuit produces carries out Real-Time Monitoring, and coordinate with the well heater of hott bed, shower nozzle 1 and shower nozzle 2 respectively, realize the temp. control function of printer.
Be respectively X-axis motor shown in Figure 11-15 to drive, y-axis motor drives, Z axis motor drives, the interface circuit that extruder 1 drives and extruder 2 drives, described X-axis motor drives, y-axis motor drives, Z axis motor drives, extruder 1 drives and the interface circuit of extruder 2 driving is connected with the two-way I/O pin of micro-control unit MCU and PWM output pin respectively, the motor control signal (transmission of I/O pin) receiving micro-control unit MCU output and PWM drive singal (transmission of PWM output pin) is driven to make each motor, X-axis motor drives, y-axis motor drives, Z axis motor drives, extruder 1 driving drives with extruder 2 and is connected X-axis motor respectively, y-axis motor, Z axis motor, extruder 1 and extruder 2, X-axis motor drives, y-axis motor drives, Z axis motor drives, extruder 1 drives and extruder 2 drives selected motor drive ic to be A4988 high-precision motor driving chip, stepping accuracy is 1/16, and select mixing evanescent mode, guarantee that motor does not lose step in high-speed motion.Each motor drives the pwm signal receiving micro-control unit MCU respectively and export, micro-control unit MCU is by analytic model steering order, obtain the controling parameters such as model sport position, movement velocity, wire squeeze length and wire squeeze speed, regulate corresponding motor control signal and PWM drive singal to carry out accurate motion control to X-axis motor, y-axis motor, Z axis motor, extruder 1 and extruder 2 according to controling parameters, thus realize the motion control function of printer.
Figure 16 shows that fan interface circuit, this interface circuit is connected with the PWM output pin of micro-control unit MCU, makes fan receive the pwm signal of micro-control unit MCU output.Microcontroller, by analytic model steering order, obtains fan opening degree parameter, regulates pwm signal to control fan, realize the model refrigerating function of printer according to this parameter.
The interface circuit of hott bed well heater, shower nozzle 1 well heater and shower nozzle 2 well heater is respectively shown in Figure 17-19, hott bed well heater, shower nozzle 1 well heater are connected with the PWM output pin of micro-control unit MCU respectively with the interface circuit of shower nozzle 2 well heater, make well heater receive the pwm signal of micro-control unit MCU output.Micro-control unit MCU carries out automatic feedback control according to the real time temperature sample information of the preset temperature in steering order and temperature sensor (comprising hott bed temperature sensor, shower nozzle 1 temperature sensor and shower nozzle 2 temperature sensor), regulate pwm signal, control the heating of each well heater respectively, realize the temp. control function of printer.
Figure 20 shows that rotary encoder interface circuit, this interface circuit receives pin by connector with the UART1 of micro-control unit MCU and external data memory Read-write Catrol pin is connected, the model of rotary encoder is EC11B15242AE, rotary encoder adopts doubleway output, for encoding to sense of rotation and the anglec of rotation.Figure 21 is depicted as OLED screen interface circuit figure, and this interface circuit is connected by the TWI serial data pin of connector and micro-control unit MCU, TWI serial clock pin and two-way I/O pin, and form TWI bus interface, OLED screen is for showing human-computer interaction interface.EC11B15242AE rotary encoder can send pulse electrical signal to MCU when rotating, and MCU carries out exchange according to the pulse electrical signal of the rotary encoder action-item controlled in OLED screen interactive interface and selects; EC11B15242AE rotary encoder carries by switch, after exchanging the action-item chosen in OLED screen interactive interface, by determining signal by switch to MCU transmission, MCU determining by the action-item in the determination signal control OLED screen interactive interface of switch generation according to rotary encoder.Rotary encoder and OLED screen realize the human-computer interaction function of printer, are controlled when making printer not connect any external interface or equipment.
Below the operation method of 3D printer controller of the present invention:
Micro-control unit MCU carries out interactive communication by USB interface and external unit (being generally pc machine), micro-control unit MCU receives the control command that external unit sends, control coupled each function peripheral hardware (comprise X-axis motor drives, y-axis motor drives, Z axis motor drives, extruder 1 drives, extruder 2 drives, fan 1, fan 2, hott bed well heater, shower nozzle 1 well heater, shower nozzle 2 well heater and OLED screen), realize the online controlling functions of printer.
Micro-control unit MCU is linked by SD card interface and SD and connects, and stores the model Print Control order containing shower nozzle and hott bed and need the coordinate position parameter of movement and translational speed parameter (i.e. the coordinate position parameter of X-axis motor, y-axis motor, the movement of Z axis motor needs and translational speed parameter), the wire squeeze length parameter of extruder and wire squeeze speed parameter, the opening degree parameter of fan, the heating-up temperature parameter of well heater (comprising hott bed well heater, shower nozzle 1 well heater, shower nozzle 2 well heater) in SD card; First initial point calibration is carried out by X-axis origin sensor, Y-axis origin sensor and Z axis origin sensor; Then micro-control unit MCU reads and the heating-up temperature parameter of resolving in the model Print Control order in SD card controls hott bed well heater, shower nozzle 1 well heater, shower nozzle 2 well heater, makes hott bed and shower nozzle reach preset temperature; Micro-control unit MCU reads and the shower nozzle of resolving in the model Print Control order in SD card and hott bed moving coordinate location parameter and translational speed parameter, wire squeeze length parameter and wire squeeze speed parameter control each spindle motor and extruder motion implementation model prints afterwards, resolves the cooling that fan opening degree state modulator fan opening degree realizes printer model simultaneously; In print procedure, hott bed temperature sensor, shower nozzle 1 temperature sensor and shower nozzle 2 temperature sensor carry out Real-Time Monitoring to the temperature of micro-control unit MCU transmission temperature detection signal to hott bed, shower nozzle 1 and shower nozzle 2 respectively in real time, micro-control unit MCU controls the well heater of hott bed, shower nozzle 1 and shower nozzle 2 respectively according to detected temperatures signal, realizes the temp. control function of printer.
Micro-control unit MCU is connected with rotary encoder, OLED screen and carries out man-machine interaction, can realize the Measuring error function to fan, each spindle motor, extruder and shower nozzle and hott bed well heater:
Rotary encoder sends pulse electrical signal to micro-control unit MCU, micro-control unit MCU is according to current printer modes (OLED screen is shown as the interface regulating fan opening degree), resolve the pulse electrical signal received, trigger fan opening degree event, fan opening degree parameter is sent to fan interface circuit, upgrade the interface information of OLED screen simultaneously, show up-to-date fan opening degree parameter;
When OLED screen display motor, extruder parameter adjustment interface, micro-control unit MCU utilizes the pulse electrical signal of the rotary encoder received, trigger corresponding motor and regulate event, the stepping of calibration motor, improve kinematic accuracy, upgrade the interface information of OLED screen, in real time the calibration parameter of each spindle motor of display and extruder simultaneously;
When OLED screen display shower nozzle, hott bed temperature adjustment interface, micro-control unit MCU utilizes the pulse electrical signal of the rotary encoder received, trigger corresponding temperature and regulate event, regulate the heating-up temperature of shower nozzle and hott bed, detect shower nozzle and hott bed heating properties, upgrade the interface information of OLED screen, in real time the heating-up temperature of display shower nozzle and hott bed simultaneously.
Above to invention has been exemplary description; should be noted that; when not departing from core of the present invention, any simple distortion, amendment or other those skilled in the art can not spend the equivalent replacement of creative work all to fall into protection scope of the present invention.
Claims (10)
1. a 3D printer control system, it is characterized in that: comprise a micro-control unit MCU, micro-control unit MCU connects USB interface, SD card interface, X-axis origin sensor, Y-axis origin sensor, Z axis origin sensor, rotary encoder, hott bed temperature sensor, shower nozzle 1 temperature sensor, shower nozzle 2 temperature sensor respectively, X-axis motor drives, y-axis motor drives, Z axis motor drives, extruder 1 drives, extruder 2 drives, fan 1, fan 2, hott bed well heater, shower nozzle 1 well heater, shower nozzle 2 well heater and OLED screen.
2. a kind of 3D printer control system according to claim 1, is characterized in that: described micro-control unit MCU selects ATMEGA2560 chip.
3. a kind of 3D printer control system according to claim 1, is characterized in that: usb circuit is sent pin by ATMEGA16U2 chip and the UART0 of micro-control unit MCU and received pin and be connected, and formation UART bus interface, realizes usb communication.
4. a kind of 3D printer control system according to claim 1, it is characterized in that: SD card interface circuit is connected by the spi bus master control input and output pin of connector and micro-control unit MCU, spi bus serial clock pin, the driven selection input pin of SPI and external memory address latch enable pin, forms spi bus interface.
5. a kind of 3D printer control system according to claim 1, is characterized in that: PT100 temperature sensor all selected by hott bed temperature sensor, shower nozzle 1 temperature sensor and shower nozzle 2 temperature sensor.
6. a kind of 3D printer control system according to claim 1, is characterized in that: X-axis motor drives, y-axis motor drives, Z axis motor drives, extruder 1 drives and extruder 2 drives selected motor drive ic to be A4988 motor drive ic.
7. a kind of 3D printer control system according to claim 1, it is characterized in that: rotary encoder interface circuit receives pin with the UART1 of micro-control unit MCU and external data memory Read-write Catrol pin is connected, and the model of rotary encoder is EC11B15242AE.
8. a kind of 3D printer control system according to claim 1, it is characterized in that: the TWI serial data pin of OLED screen interface circuit and micro-control unit MCU, TWI serial clock pin and two-way I/O pin are connected, form TWI bus interface, OLED screen is for showing human-computer interaction interface.
9. the operation method of a kind of 3D printer control system as described in one of claim 1-8, is characterized in that:
Micro-control unit MCU carries out interactive communication by USB interface and external unit, and micro-control unit MCU receives the control command that external unit sends, and controls each coupled function peripheral hardware, realizes the online controlling functions of printer;
Micro-control unit MCU is linked by SD card interface and SD and connects, and stores the model Print Control order containing shower nozzle and hott bed and need the coordinate position parameter of movement and translational speed parameter, the wire squeeze length parameter of extruder and wire squeeze speed parameter, the opening degree parameter of fan, the heating-up temperature parameter of well heater in SD card; First initial point calibration is carried out by X-axis origin sensor, Y-axis origin sensor and Z axis origin sensor; Then micro-control unit MCU reads and the heating-up temperature parameter of resolving in the model Print Control order in SD card controls hott bed well heater, shower nozzle 1 well heater, shower nozzle 2 well heater, makes hott bed and shower nozzle reach preset temperature; Micro-control unit MCU reads and the shower nozzle of resolving in the model Print Control order in SD card and hott bed moving coordinate location parameter and translational speed parameter, wire squeeze length parameter and wire squeeze speed parameter control each spindle motor and extruder motion implementation model prints afterwards, resolves the cooling that fan opening degree state modulator fan opening degree realizes printer model simultaneously; In print procedure, hott bed temperature sensor, shower nozzle 1 temperature sensor and shower nozzle 2 temperature sensor carry out Real-Time Monitoring to the temperature of micro-control unit MCU transmission temperature detection signal to hott bed, shower nozzle 1 and shower nozzle 2 respectively in real time, MCU controls the well heater of hott bed, shower nozzle 1 and shower nozzle 2 respectively according to detected temperatures signal, realizes the temp. control function of printer.
10. the operation method of a kind of 3D printer control system as described in one of claim 1-8, it is characterized in that: micro-control unit MCU is connected with rotary encoder, OLED screen and carries out man-machine interaction, the Measuring error function to fan, each spindle motor, extruder and shower nozzle and hott bed well heater can be realized:
Rotary encoder sends pulse electrical signal to micro-control unit MCU, micro-control unit MCU is according to current printer modes, resolve the pulse electrical signal received, trigger fan opening degree event, fan opening degree parameter is sent to fan interface circuit, upgrade the interface information of OLED screen simultaneously, show up-to-date fan opening degree parameter;
When OLED screen display motor, extruder parameter adjustment interface, micro-control unit MCU utilizes the pulse electrical signal of the rotary encoder received, trigger corresponding motor and regulate event, the stepping of calibration motor, improve kinematic accuracy, upgrade the interface information of OLED screen, in real time the calibration parameter of each spindle motor of display and extruder simultaneously;
When OLED screen display shower nozzle, hott bed temperature adjustment interface, micro-control unit MCU utilizes the pulse electrical signal of the rotary encoder received, trigger corresponding temperature and regulate event, regulate the heating-up temperature of shower nozzle and hott bed, detect shower nozzle and hott bed heating properties, upgrade the interface information of OLED screen, in real time the heating-up temperature of display shower nozzle and hott bed simultaneously.
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| CN106444899A (en) * | 2016-11-16 | 2017-02-22 | 中南大学 | 3D printer temperature control system |
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| CN113168451A (en) * | 2018-12-03 | 2021-07-23 | 惠普发展公司，有限责任合伙企业 | Logic circuitry packaging |
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| RU225712U1 (en) * | 2024-03-15 | 2024-05-03 | Общество с ограниченной ответственностью "НПК "Антей" | 3D PRINTER TELEMETRY CONTROLLER |
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| CN106313572A (en) * | 2016-10-13 | 2017-01-11 | 河南龙璟科技有限公司 | Control system of 3D printing device |
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| CN106738932B (en) * | 2016-11-15 | 2019-05-17 | 吉林大学珠海学院 | A kind of compensable 3D printer control system of nozzle temperature |
| CN106444899B (en) * | 2016-11-16 | 2018-07-24 | 中南大学 | A kind of 3D printer temperature control system |
| CN106444899A (en) * | 2016-11-16 | 2017-02-22 | 中南大学 | 3D printer temperature control system |
| CN106965416B (en) * | 2017-03-31 | 2019-05-21 | 安徽机电职业技术学院 | 3D printer based on skeleton line drawing controls optimization system |
| CN106965416A (en) * | 2017-03-31 | 2017-07-21 | 安徽机电职业技术学院 | 3D printer control optimization system based on skeleton line drawing |
| CN107272474A (en) * | 2017-08-23 | 2017-10-20 | 佛山市瑞友科技有限公司 | The big data processing module of 3D printing equipment |
| CN108297437A (en) * | 2018-02-05 | 2018-07-20 | 广东水利电力职业技术学院（广东省水利电力技工学校） | A kind of control system of 3D printer |
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| CN112180793A (en) * | 2020-09-30 | 2021-01-05 | 深圳市千里智能控制科技有限公司 | Multi-shaft and multi-nozzle ink-jet controller |
| WO2023213213A1 (en) * | 2022-05-06 | 2023-11-09 | 上海轮廓科技有限公司 | 3d printer, method and apparatus used for 3d printer, 3d printing system, and storage medium |
| RU225712U1 (en) * | 2024-03-15 | 2024-05-03 | Общество с ограниченной ответственностью "НПК "Антей" | 3D PRINTER TELEMETRY CONTROLLER |
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