CN105751519B - The safety control system and control method of 3D printer - Google Patents
The safety control system and control method of 3D printer Download PDFInfo
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- CN105751519B CN105751519B CN201610325614.6A CN201610325614A CN105751519B CN 105751519 B CN105751519 B CN 105751519B CN 201610325614 A CN201610325614 A CN 201610325614A CN 105751519 B CN105751519 B CN 105751519B
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- power supply
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
Abstract
The invention discloses a kind of safety control system of 3D printer and control method, it is characterised in that：Safety control system includes：Outage detection module, fracture of wire detection module；Power module includes power supply and stand-by power supply；Power supply and stand-by power supply electrically connect with voltage stabilizing chip；The power supply terminal of voltage stabilizing chip and control module connects；Energy-storage travelling wave tube is provided between the both positive and negative polarity lead-out terminal of power supply；The both ends of energy-storage travelling wave tube are electrically connected by a pressure limiting resistance with an input terminal of comparator respectively；The both positive and negative polarity lead-out terminal of voltage stabilizing chip is electrically connected by a pressure limiting resistance with another input terminal of comparator respectively；The lead-out terminal of comparator electrically connects with the I/O terminals of control module；Fracture of wire detection module includes being arranged at the fracture of wire detection sensor on from printed material to printing probe path；The lead-out terminal of the fracture of wire detection sensor electrically connects with the I/O terminals of control module；Control module is connected by relay with stand-by power supply.
Description
Technical field
The invention belongs to 3D printing technique field, more particularly to the safety control system and controlling party of a kind of 3D printer
Method.The safety control system and control method of the 3D printer have fracture of wire detection and controlling cashier power-cut-off contiuous printing function.
Background technology
3D printing technique, also known as lamination manufacture, and refer to that being superimposed the mode of shaping successively increases material using layering processing
Generate 3D solid.Due to use fused deposition mode, if occurring Materials Fracture in print procedure or being finished, power-off etc. other
Failure causes that the one-shot forming of printer model can not be completed, if it has to prints again, causes the waste of time and cost.Cause
This, be assurance model print procedure in one-shot forming, improve printing effect, it is necessary in print procedure carry out fracture of wire detection from
And the printed material of continued access in time；And realize in the event of a power failure, last time printing is continued to complete after can re-powering.
The content of the invention
The technical problem to be solved in the present invention is：It is one-time formed in print procedure the invention aims to improve
Reliability, there is Materials Fracture or be finished, and situations such as stopping is printed caused by the reason such as power-off, can avoid entering again
Row printing, so as to save time and cost.
The present invention is adopted the technical scheme that to solve technical problem present in known technology：
A kind of safety control system of 3D printer, the 3D printer include power module, control module and performed
Module；The safety control system comprises at least：
For detecting the outage detection module of power module working condition；The outage detection module is including comparator and surely
Press chip；
The fracture of wire detection module for whether being broken and/or exhausting for detecting printed material；Wherein：
The power module includes the power supply and stand-by power supply that AC energy is converted to direct current energy；It is described
Both positive and negative polarity input terminal of the both positive and negative polarity input terminal of power supply and stand-by power supply with voltage stabilizing chip electrically connects；The voltage stabilizing
The both positive and negative polarity lead-out terminal of chip electrically connects with the power supply terminal of control module；In the both positive and negative polarity lead-out terminal of the power supply
Between be provided with energy-storage travelling wave tube；The both ends of the energy-storage travelling wave tube pass through a pressure limiting resistance and an input of comparator respectively
Son electrical connection；The both positive and negative polarity lead-out terminal of the voltage stabilizing chip is inputted by another of a pressure limiting resistance and comparator respectively
Terminal electrically connects；The lead-out terminal of the comparator electrically connects with the I/O terminals of control module；The fracture of wire detection module includes
The fracture of wire detection sensor being arranged on from printed material to printing probe path；The lead-out terminal of the fracture of wire detection sensor with
The I/O terminals electrical connection of control module；The control module is connected by relay with stand-by power supply.
Further：The energy-storage travelling wave tube is one kind in inductively or capacitively.
Further：The control module is one kind in single-chip microcomputer or ARM controller.
Further：The fracture of wire detection sensor is one kind in mechanical limit switch or correlation optoelectronic switch.
Further：Instruction input module and data outputting module are electrically connected with the control module I/O terminals.
Further：The instruction input module is USB flash disk or SD card；The data outputting module is display or buzzer.
Further：The comparator is one kind in voltage comparator or current comparator.
A kind of control method of the safety control system of 3D printer, comprises the following steps：
Step 101, when having printed material in the silk box of 3D printer, first close power supply module, disconnect stand-by power supply,
Realize that 3D printing works followed by control module control execution module；
Step 102, fracture of wire detection sensor to printed material carry out in real time or timing detect, and by testing result send to
Control module；Meanwhile comparator by the output electric energy at energy-storage travelling wave tube both ends compared with the output electric energy of voltage stabilizing chip, and will
Result of the comparison is sent to control module；
Step 103, controller are according to outage detection module and the testing result of silk detection module absolutely, to 3D printer
Working condition is adjusted, and specifically includes following situation：
When the testing result of fracture of wire detection sensor is normal, and the output result of comparator is power supply working condition
When normal, then control module maintains printing process according to control instruction；
When the testing result of fracture of wire detection sensor is normal, and the output result of comparator is power supply working condition
When abnormal, then control module enables stand-by power supply by relay；
When the testing result of fracture of wire detection sensor is abnormal, and the output result of comparator to be power supply work shape
When state is normal, then control module preserves 3D printer work at present progress status using the electric energy of energy-storage travelling wave tube；
When the testing result of fracture of wire detection sensor is abnormal, and the output result of comparator is that power supply works shape
When state is abnormal, then control module preserves 3D printer work at present progress status using the electric energy of energy-storage travelling wave tube, controls simultaneously
Device enables stand-by power supply by relay.
A kind of control method of the safety control system of 3D printer, comprises the following steps：
Step 201, the control module input print command information by instruction input module to 3D printer；
Step 202, when having printed material in the silk box of 3D printer, first close power supply module, disconnect stand-by power supply,
Realize that 3D printing works followed by control module control execution module；
Step 203, fracture of wire detection sensor to printed material carry out in real time or timing detect, and by testing result send to
Control module；Meanwhile comparator by the output electric energy at energy-storage travelling wave tube both ends compared with the output electric energy of voltage stabilizing chip, and will
Result of the comparison is sent to control module；
Step 204, controller are according to outage detection module and the testing result of silk detection module absolutely, to 3D printer
Working condition is adjusted, while the testing result of silk detection module is shown by display by outage detection module and absolutely
Show, specifically include following situation：
When the testing result of fracture of wire detection sensor is normal, and the output result of comparator is power supply working condition
When normal, then control module maintains printing process according to control instruction；
When the testing result of fracture of wire detection sensor is normal, and the output result of comparator is power supply working condition
When abnormal, then control module enables stand-by power supply by relay；Alarmed simultaneously；
When the testing result of fracture of wire detection sensor is abnormal, and the output result of comparator to be power supply work shape
When state is normal, then control module preserves 3D printer work at present progress status using the electric energy of energy-storage travelling wave tube；Reported simultaneously
It is alert；
When the testing result of fracture of wire detection sensor is abnormal, and the output result of comparator is that power supply works shape
When state is abnormal, then control module preserves 3D printer work at present progress status using the electric energy of energy-storage travelling wave tube, controls simultaneously
Device enables stand-by power supply by relay；Alarmed simultaneously.
The present invention has the advantages and positive effects of：
In order to improve the reliability in print procedure, printing cost is reduced, present invention employs fracture of wire detection module to break
Electro-detection module.Under the conditions of Different climate, by such environmental effects such as illumination, temperature, humidity, or user's occupation mode is not
Situations such as working as, printed material are easily broken；In addition, when printing is compared with large-sized model, printed material, which has run out of, to be remained unfulfilled
During printing, this just needs to detect fracture of wire in time in print procedure, reminds user to change printed material, in order to avoid cause printing to lose
Lose.In print procedure, if there is accident power-off, or because some objective factors are influenceed, it is necessary to which artificially power-off comes again
Selection time place carries out continuous situation about beating, and this just needs printer to have controlling cashier power-cut-off contiuous printing control function, provides the user with conveniently,
And improve printing effect.
Brief description of the drawings：
Fig. 1 is the circuit block diagram of first preferred embodiment of the invention；
Fig. 2 is the circuit block diagram of second preferred embodiment of the invention；
Fig. 3 is the structure chart that fracture of wire detects in the preferred embodiment of the present invention；
Fig. 4 is the circuit diagram of outage detection module in the preferred embodiment of the present invention；
Fig. 5 is fracture of wire overhaul flow chart in the preferred embodiment of the present invention；
Fig. 6 is outage detection flow chart in the preferred embodiment of the present invention；
Fig. 7 is that re-powered after being powered off in the preferred embodiment of the present invention continuous beats flow chart.
Embodiment
In order to further understand the content, features and effects of the present invention, hereby enumerating following examples, and coordinate accompanying drawing
Describe in detail as follows：
Refer to Fig. 1 to Fig. 4, a kind of safety control system of 3D printer, traditional 3D printer include power module,
Control module and execution module；Wherein power module is the power supply that alternating current is converted to direct current energy needed for 3D printer
Conversion equipment, execution module are some action components of multiple motors and 3D printer, due to these parts and non-invention
Innovative point, and the part is known technology, therefore it is not described in detail this time；Control module is whole 3D printer
Core component, it has the function of data storage and software processing.This patent technical problems to be solved are powered off detecting, broken
Continuous beat of electricity is detected with fracture of wire, and its innovative point is specific as follows：
The safety control system comprises at least：
For detecting the outage detection module of power module working condition；The outage detection module is including comparator and surely
Press chip；
The fracture of wire detection module for whether being broken and/or exhausting for detecting printed material；Wherein：
The power module includes the power supply and stand-by power supply that AC energy is converted to direct current energy；It is standby
Power supply is batteries either UPS etc.；Above-mentioned batteries are preferably lithium battery group；As shown in Figure 4：The power supply
Electrically connected with the both positive and negative polarity input terminal of stand-by power supply with the both positive and negative polarity input terminal of voltage stabilizing chip；The voltage stabilizing chip is just
Negative output terminals electrically connect with the power supply terminal of control module；Set between the both positive and negative polarity lead-out terminal of the power supply
There is energy-storage travelling wave tube；The both ends of the energy-storage travelling wave tube are electrically connected by an input terminal of a pressure limiting resistance and comparator respectively
Connect；The both positive and negative polarity lead-out terminal of the voltage stabilizing chip passes through another input terminal of a pressure limiting resistance and comparator electricity respectively
Connection；The lead-out terminal of the comparator electrically connects with the I/O terminals of control module；The fracture of wire detection module includes being arranged at
Fracture of wire detection sensor on from printed material to printing probe path；The lead-out terminal of the fracture of wire detection sensor and control mould
The I/O terminals electrical connection of block；The control module is connected by relay with stand-by power supply.In the preferred embodiment, it is described
Energy-storage travelling wave tube is electric capacity, and in actual field, energy-storage travelling wave tube can also select inductance.Above-mentioned control module is single-chip microcomputer or ARM
One kind in controller.In above preferred embodiment：Alternating voltage AC turns through AC/DC power supplies (such as Switching Power Supply)
DC voltage DC is changed to, is followed by energy-storage travelling wave tube electric capacity, the electric capacity is applied not only to filter, and should be provided in shutdown transient for system short
When electric energy, for print state data preserve and cut-in stand-by power supply.Voltage stabilizing chip is used for controller, voltage comparator, after
Other functional modules power supply such as electrical equipment.The DC voltage DC1 of AC/DC power modules is followed by storage capacitor, and through resistance R1, R2 points
The DC voltage DC2 of voltage comparator input IN2, DC/DC voltage stabilizing chip is accessed after pressure through resistance R3, electricity is accessed after R4 partial pressures
Comparator input terminal IN1 is pressed, outage detection is carried out by the comparison of two inputs, controller detects that voltage comparator exports
After signal OUT, the short-time energy that is stored by energy-storage travelling wave tube electric capacity, current print state and cut-in stand-by power supply are preserved.
The fracture of wire detection sensor is one kind in mechanical limit switch or correlation optoelectronic switch.Specific detection is former
Manage and be：When there is printed material to pass through from the probe of fracture of wire detection sensor, fracture of wire detection sensor can export one specifically
Signal, such as high level or low level, it is convenient here for narration, it is assumed that to be high level, then when printed material is broken
When either exhausting, fracture of wire detection sensor then can't detect the information of printing logistics, now the level upset of output signal, by
High level is converted to low level, and the low level provides a trigger module for control module, under the driving of the trigger module, control
Molding block opens stand-by power supply by relay, and in the process, energy-accumulating element (electric capacity) provides electric energy for control module, herein
During, control module is preserved the current print state of 3D printer；
In the preferred embodiment：Instruction input module is electrically connected with the control module I/O terminals and data are defeated
Go out module.The instruction input module is USB flash disk or SD card；The data outputting module is display or buzzer.Such engineering
Teacher either elsewhere can write process code software in USB flash disk or SD card in laboratory, then by the USB flash disk or SD card with
Control module is connected, you can process code is imported into 3D printer；Meanwhile during printing, it can be incited somebody to action by display
Print state is shown, while when a failure occurs it, fault message can also be shown by display either alarm
Show.
In the preferred embodiment：The comparator is voltage comparator, can also be compared in actual field from electric current
One kind in device.What the voltage comparator compared is energy-accumulating element with the voltage ratio of voltage stabilizing chip output compared with；When power supply is sent out
During raw power-off, in the preferred embodiment, power supply output is 24V direct currents, and voltage stabilizing chip is that 24V turns 5V, works as voltage stabilizing
A delay of voltage decline is had during the 24V input power-off of chip, the output 5V voltages of voltage stabilizing chip will not be zeroed rapidly, but
It is that voltages of the output 24V of power supply to comparator input after pressure limiting electric resistance partial pressure can decline, another input of comparator
Voltage IN1 does not change now, the comparison output that such comparator two input voltage signals IN1 and IN2 are carried out.Power supply is just
Often during work, the input voltage at comparator both ends is that 24V voltages after the electric resistance partial pressure behind electric capacity are larger.Normal power supply
When, what is actually used is that input is about 2.7V after comparator 24V partial pressures, and 5V inputs are 2.5V, and 24V drops to 21V or so
When, 2.5V can be less than after partial pressure, output is compared in generation.
Fig. 5 to Fig. 7 is referred to, a kind of control method of the safety control system of 3D printer, is comprised the following steps：
Step 101, when having printed material in the silk box of 3D printer, first close power supply module, disconnect stand-by power supply,
Realize that 3D printing works followed by control module control execution module；
Step 102, fracture of wire detection sensor to printed material carry out in real time or timing detect, and by testing result send to
Control module；Meanwhile energy-storage travelling wave tube both ends are exported electric energy and output electric energy (voltage signal or the electricity of voltage stabilizing chip by comparator
Stream signal) it is compared, and result of the comparison is sent to control module；
Step 103, control module are according to outage detection module and the testing result of silk detection module absolutely, to 3D printer
Working condition be adjusted, specifically include following situation：
When the testing result of fracture of wire detection sensor is normal, normal representation herein is：Fracture of wire detection sensor is visited
Head be able to detect that printing logistics presence, and the output result of comparator be power supply working condition it is normal when, then control
Module maintains printing process according to control instruction；
When the testing result of fracture of wire detection sensor is normal, and the output result of comparator is power supply working condition
When abnormal, the abnormal output electric energy deficiency for referring to power supply or output herein stop, then control module passes through
Relay enables stand-by power supply；
When the testing result of fracture of wire detection sensor is abnormal, herein abnormal refers to：Fracture of wire detection sensor is visited
Head can can't detect printing logistics presence, and the output result of comparator be power supply working condition it is normal when, then control
Molding block preserves 3D printer work at present progress status using the electric energy of energy-storage travelling wave tube；In order to protect printhead, when control mould
Block confirms that circuit wire sensor is in just time-out printing after triggering state, then by Z axis falling head a, is selected in this preferred embodiment
It is 10mm, prevents the higher printhead of temperature from scalding damage model, and facilitate user to continue silk.By data outputting module by fracture of wire
State is reflected to user, waits user to change after silk completes and confirm, Z axis is risen into 10mm, recovery print state；
When the testing result of fracture of wire detection sensor is abnormal, and the output result of comparator is that power supply works shape
When state is abnormal, then control module preserves 3D printer work at present progress status using the electric energy of energy-storage travelling wave tube, controls simultaneously
Device enables stand-by power supply by relay.In order to protect printhead, when control module confirms that circuit wire sensor is in triggering state
Just time-out printing afterwards, then by Z axis falling head a, the printing for being 10mm, preventing that temperature is higher selected in this preferred embodiment
Head scalds damage model, and facilitates user to continue silk.Fracture of wire state is reflected to by user by data outputting module, waits user to change silk complete
Into and after confirming, Z axis is risen into 10mm, recovers print state；
Fig. 5 to Fig. 7 is referred to, a kind of control method of the safety control system of 3D printer, is comprised the following steps：
Step 201, the control module input print command information by instruction input module to 3D printer；
Step 202, when having printed material in the silk box of 3D printer, first close power supply module, disconnect stand-by power supply,
Realize that 3D printing works followed by control module control execution module；
Step 203, fracture of wire detection sensor to printed material carry out in real time or timing detect, and by testing result send to
Control module；Meanwhile energy-storage travelling wave tube both ends are exported electric energy and output electric energy (voltage signal or the electricity of voltage stabilizing chip by comparator
Stream signal) it is compared, and result of the comparison is sent to control module；
Step 204, controller are according to outage detection module and the testing result of silk detection module absolutely, to 3D printer
Working condition is adjusted, while the testing result of silk detection module is shown by display by outage detection module and absolutely
Show, specifically include following situation：
When the testing result of fracture of wire detection sensor is normal, normal representation herein is：Fracture of wire detection sensor is visited
Head be able to detect that printing logistics presence, and the output result of comparator be power supply working condition it is normal when, then control
Module maintains printing process according to control instruction；
When the testing result of fracture of wire detection sensor is normal, and the output result of comparator is power supply working condition
When abnormal, the abnormal output electric energy deficiency for referring to power supply or output herein stop, then control module passes through
Relay enables stand-by power supply；Alarmed simultaneously；
When the testing result of fracture of wire detection sensor is abnormal, herein abnormal refers to：Fracture of wire detection sensor is visited
Head can can't detect printing logistics presence, and the output result of comparator be power supply working condition it is normal when, then control
Molding block preserves 3D printer work at present progress status using the electric energy of energy-storage travelling wave tube；In order to protect printhead, when control mould
Block confirms that circuit wire sensor is in just time-out printing after triggering state, then by Z axis falling head a, is selected in this preferred embodiment
It is 10mm, prevents the higher printhead of temperature from scalding damage model, and facilitate user to continue silk.By data outputting module by fracture of wire
State is reflected to user, waits user to change after silk completes and confirm, Z axis is risen into 10mm, recovery print state；Reported simultaneously
It is alert；
When the testing result of fracture of wire detection sensor is abnormal, and the output result of comparator is that power supply works shape
When state is abnormal, then control module preserves 3D printer work at present progress status using the electric energy of energy-storage travelling wave tube, controls simultaneously
Device enables stand-by power supply by relay；In order to protect printhead, when control module confirms that circuit wire sensor is in triggering state
Just time-out printing afterwards, then by Z axis falling head a, the printing for being 10mm, preventing that temperature is higher selected in this preferred embodiment
Head scalds damage model, and facilitates user to continue silk.Fracture of wire state is reflected to by user by data outputting module, waits user to change silk complete
Into and after confirming, Z axis is risen into 10mm, recovers print state；Alarmed simultaneously.
The fracture of wire detection function of this patent is when the printed material in single head or two head printers structure occurs being broken or printed
The situation that material is finished, fracture of wire detection sensor (mechanical or photo-electric) triggering, control unit are detected simultaneously by the signal, temporarily
Ready preceding print state, and user's continued access printed material is prompted by output unit, after the completion of continued access, user can continue printing and work as
Preceding model.
Outage detection function is to work as the situation for the termination printing such as occurring powering off in print procedure, power failure detection circuit triggering,
Control unit is detected simultaneously by the signal, the energy stored using energy storage component (inductively or capacitively), will in a manner of interruption
Current print data rapid saving is into data storage, and changeable stand-by power supply short-duration power, and printhead is moved into peace
Then all positon automatically cuts off stand-by power supply in order to avoid damage printer model.When going up electric again, output unit (such as touch-screen) will
Prompt the user whether to continue and stamp time printer model.It needs to be determined that the reference zero position of printer, selection are continuous in open cycle system
After beating, power-off data storage is read, printing mechanism X-axis, Y-axis back to zero is anti-to determine X/Y plane internal reference dead-center position coordinate
Only larger printer model may collide and damage model with printing mechanism during Z axis back to zero, and this control system keeps Z axis to beat
It is motionless in the original location to print platform.Two head printers structure is different from single head printing mechanism, and two head printers structure also needs in continuous beat
Current printhead is accurately switched to printing head status during power-off.
As shown in Figure 6.In print procedure, this control system detects outage condition, after judging to confirm, will currently beat
Print status data is saved in data storage (such as EEPROM, Flash etc.), then switches to stand-by power supply and moves printhead
To home to prevent printhead damage model, then stand-by power supply is cut off, close system.
As shown in Figure 7.After re-powering, output display unit prompt the user whether it is continuous beat, selection is no, into normally beating
Bleeding off journey, selection are that data (such as mimeograph documents name letter preserved under last time outage condition is then read from data storage
Breath).In open-loop control system, printing mechanism X-axis, Y-axis needs back to zero, to determine X/Y plane internal reference dead-center position coordinate,
For the collision that prevents that printer model and printing mechanism may be caused during Z axis back to zero and damage model, this control system is by Z axis
Print platform is held in place putting, and then printhead is heated to target temperature, and printing mechanism, which is run at breakpoint, starts continuous beat.
Embodiments of the invention are described in detail above, but the content is only presently preferred embodiments of the present invention,
It is not to be regarded as the practical range for limiting the present invention.Any changes and modifications in accordance with the scope of the present application,
All should still it belong within the patent covering scope of the present invention.
Claims (2)
- A kind of 1. control method of the safety control system of 3D printer, it is characterised in that：The 3D printer includesPower module, control module and execution module；It is characterized in that：The safety control system comprises at least：For detecting the outage detection module of power module working condition；The outage detection module includes comparator and voltage stabilizing core Piece；The fracture of wire detection module for whether being broken and/or exhausting for detecting printed material；Wherein：The power module includes the power supply and stand-by power supply that AC energy is converted to direct current energy；The power supply Both positive and negative polarity input terminal of the both positive and negative polarity input terminal of power supply and stand-by power supply with voltage stabilizing chip electrically connects；The voltage stabilizing chip Both positive and negative polarity lead-out terminal electrically connected with the power supply terminal of control module；Between the both positive and negative polarity lead-out terminal of the power supply It is provided with energy-storage travelling wave tube；The both ends of the energy-storage travelling wave tube pass through a pressure limiting resistance and an input terminal electricity of comparator respectively Connection；The both positive and negative polarity lead-out terminal of the voltage stabilizing chip passes through a pressure limiting resistance and another input terminal of comparator respectively Electrical connection；The lead-out terminal of the comparator electrically connects with the I/O terminals of control module；The fracture of wire detection module includes setting Fracture of wire detection sensor on from printed material to printing probe path；The lead-out terminal of the fracture of wire detection sensor and control The I/O terminals electrical connection of module；The control module is connected by relay with stand-by power supply；The control method comprises the following steps：Step 101, when having printed material in the silk box of 3D printer, first close power supply module, disconnect stand-by power supply, then Realize that 3D printing works using control module control execution module；Step 102, fracture of wire detection sensor printed material are carried out in real time or timing detects, and testing result is sent to control Module；Meanwhile comparator by the output electric energy at energy-storage travelling wave tube both ends compared with the output electric energy of voltage stabilizing chip, and will compare Result be sent to control module；Step 103, controller are according to outage detection module and the testing result of silk detection module absolutely, the work to 3D printer State is adjusted, and specifically includes following situation：When the testing result of fracture of wire detection sensor be it is normal, and the output result of comparator be power supply working condition it is normal When, then control module maintains printing process according to control instruction；When the testing result of fracture of wire detection sensor be it is normal, and the output result of comparator be power supply working condition not just Chang Shi, then control module stand-by power supply is enabled by relay；When the testing result of fracture of wire detection sensor is abnormal, and the output result of comparator be power supply working condition just Chang Shi, then control module using energy-storage travelling wave tube electric energy preserve 3D printer work at present progress status；When the testing result of fracture of wire detection sensor is abnormal, and the output result of comparator be power supply working condition not When normal, then control module preserves 3D printer work at present progress status using the electric energy of energy-storage travelling wave tube, while controller leads to Cross relay and enable stand-by power supply.
- A kind of 2. control method of the safety control system of 3D printer according to claim 1, it is characterised in that：The storage Can element be one kind in inductively or capacitively；The control module is one kind in single-chip microcomputer or ARM controller；The fracture of wire detection sensor is one kind in mechanical limit switch or correlation optoelectronic switch；Instruction input module and data outputting module are electrically connected with the control module I/O terminals；The instruction input module is USB flash disk or SD card；The data outputting module is display or buzzer；Also comprise the following steps before the step 101：Print command information is inputted to the control module of 3D printer by instruction input module；In the step 103, when the testing result of fracture of wire detection sensor is abnormal, and the output result of comparator is supplies When electric power work state is abnormal, then control module preserves 3D printer work at present progress shape using the electric energy of energy-storage travelling wave tube State, while controller enables stand-by power supply by relay；Alarmed simultaneously.
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| CN106125622A (en) * | 2016-08-15 | 2016-11-16 | 武汉圆梦计划三维科技有限公司 | A kind of intelligence control system of 3D printer |
| CN106808687B (en) * | 2017-01-05 | 2019-05-21 | 深圳晗钧益科技有限公司 | A kind of ARM circuit control system based on photocuring 3D printing |
| US10967559B2 (en) * | 2017-02-14 | 2021-04-06 | Hewlett-Packard Development Company, L.P. | 3D printed object with embedded sensing device |
| CN106881859B (en) * | 2017-03-22 | 2018-11-13 | 深圳市三帝时代科技有限公司 | A kind of 3D printer fracture putty detection method |
| CN109719953A (en) * | 2017-10-30 | 2019-05-07 | 三纬国际立体列印科技股份有限公司 | Print guard method and three-dimensional printing equipment |
| CN108044929B (en) * | 2018-02-05 | 2023-06-30 | 华北理工大学 | 3D printer broken material alarm device |
| CN109532027A (en) * | 2018-12-26 | 2019-03-29 | 深圳市越疆科技有限公司 | 3D printer soft-off control circuit and 3D printing equipment |
| CN111844761A (en) * | 2020-07-29 | 2020-10-30 | 哈尔滨理工大学 | 3D printer control system |
| CN112338205A (en) * | 2020-09-23 | 2021-02-09 | 苏州壹千零壹号三维打印科技有限公司 | Control system of precision casting 3D printer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203496156U (en) * | 2013-08-29 | 2014-03-26 | 上海骧远信息科技有限公司 | Feeding failure detection device of 3D (three-dimensional) printer |
| CN105014957B (en) * | 2014-04-15 | 2017-03-29 | 上海智位机器人股份有限公司 | The method of 3D printer and its controlling cashier power-cut-off contiuous printing |
| CN104139525A (en) * | 2014-07-08 | 2014-11-12 | 燕山大学 | 3D printer power-off protection system and implementation method thereof |
| CN104890235A (en) * | 2015-03-25 | 2015-09-09 | 北京清大致汇科技有限公司 | Apparatus used for continuing printing after power off of 3D printer and operation method |
| CN205736039U (en) * | 2016-05-17 | 2016-11-30 | 天津市希统电子设备有限公司 | The safety control system of 3D printer |
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