CN104423325B - Fault determination method and device - Google Patents
Fault determination method and device Download PDFInfo
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- CN104423325B CN104423325B CN201310368203.1A CN201310368203A CN104423325B CN 104423325 B CN104423325 B CN 104423325B CN 201310368203 A CN201310368203 A CN 201310368203A CN 104423325 B CN104423325 B CN 104423325B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
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Abstract
The invention discloses a kind of fault determination method and device, wherein, this method includes：Obtain the vibration parameters for entering a system of rapid shaping platform；Judge whether the vibration parameters are consistent with the vibration parameters for entering a system worked well；In the case where judged result is no, it is determined that this enters a system failure.By the present invention, solve and the problem of entering caused by a system of rapid forming equipment is detected using camera, reduce cost, simplify detecting system, improve detection efficiency.
Description
Technical field
The application is related to rapid shaping field, in particular to fault determination method and device.
Background technology
3D printing is one kind of rapid shaping technique, and it is a kind of based on mathematical model file, with powdered gold
Category or plastics etc. can jointing material, come the technology of constructed object by way of successively printing.US President Austria bar at the beginning of 2013
Announced in the national conditions speech of horse, 3D printing center is set up in plan, and 3D printing technique will gradually form the emerging manufacturing industry in the U.S., this pole
The earth has promoted the development of 3D printing technique, has all carried out numerous studies to this technology both at home and abroad at present.The technology jewelry,
Footwear, industrial design, building, engineering and construction（AEC）, automobile, Aero-Space, dentistry and medical industries, education, geography information
System, civil engineering, gun and other field have all been applied.
Current 3D printing technique has stereolithography apparatus method（SLA）, selective laser sintering（SLS）, laminated solid body system
Make（LOM）, fused deposition modeling（FDM）Etc. several techniques.Melting extrusion is molded（That is FDM, fused deposition modeling）The material of technique is usually
Thermoplastic, such as wax, acrylonitrile-butadiene-styrene (ABS)（Alkyl Benzo Sulfonate, referred to as ABS）It is plastics, poly-
Carbonic ester（Polycarbonate, referred to as PC）, nylon etc., with thread feed.Material is heated fusing, shower nozzle in shower nozzle
Moved along part section profile and filling track, while the material of fusing is extruded, material solidifies rapidly, and with the material of surrounding
Bond.Each synusia is to accumulate to form on last layer, and last layer plays a part of positioning and supported to current layer.
Using filamentary material current FDM techniques more, also, it is existing enter a system be opened loop control, without feedback mechanism.
It can not detect whether material normally enters, this have the consequence that material is not normally entered but print system remains in operation,
The printing objects that can not have finally obtained.Also there are some schemes to tackle such case in correlation technique, enter for example with camera
Row detection, but the somewhat expensive of camera；And due to using vision algorithm, therefore also to increase image procossing in control core
In piece so that of a high price, and influence system effectiveness.
For detecting the problem of entering caused by a system of rapid forming equipment using camera in correlation technique, at present still
Effective solution is not proposed.
The content of the invention
The above mentioned problem existed for correlation technique, not yet proposes effective solution at present.This application provides one
Fault determination method and device are planted, at least to solve to enter asking caused by a system using camera detection rapid forming equipment
Topic.
According to an aspect of the invention, there is provided a kind of fault determination method, including：Obtain entering for rapid shaping platform
The vibration parameters of silk system；Judge the vibration parameters with it is described enter a system worked well vibration parameters it is whether consistent；
Judged result in the case of no, it is determined that it is described enter a system failure.
Preferably, it is determined that it is described enter a system failure after, methods described also includes：Alarm signal is sent, wherein, institute
Stating alarm signal includes：Visual signal and/or audible signal.
Preferably, it is determined that it is described enter a system failure after, methods described also includes：The user of reading and saving is set,
Wherein, the user is provided for entering the operation after a system failure described in instruction；Set according to the user, send control letter
Number.
Preferably, the control signal is used at least one of：Stop the work of the rapid shaping platform；Record institute
State the job schedule of rapid shaping platform；Start automatic filament replacing device, wherein, the automatic filament replacing device is used to change institute automatically
State into the silk in a system.
Preferably, obtaining the vibration parameters includes：By the vibration for entering a system described in vibrating sensor acquisition
Parameter, wherein, the vibrating sensor includes：Relative type motor vibrating sensor and inertial sensor.
According to another aspect of the present invention, a kind of failure determination device is additionally provided, including：Acquisition module, for obtaining
Take the vibration parameters for entering a system of rapid shaping platform；Judge module, for judge the vibration parameters with it is described enter silk system
Whether the vibration parameters for normal work of uniting are consistent；Determining module, in judged result in the case of no, it is determined that it is described enter silk
The system failure.
Preferably, described device also includes：Alarm module, for sending alarm signal, wherein, the alarm signal bag
Include：Visual signal and/or audible signal.
Preferably, described device also includes：Read module, the user for reading and saving is set, wherein, the user sets
Put for indicate it is described enter a system failure after operation；Sending module, for being set according to the user, sends control letter
Number.
Preferably, the control signal is used at least one of：Stop the work of the rapid shaping platform；Record institute
State the job schedule of rapid shaping platform；Start automatic filament replacing device, wherein, the automatic filament replacing device is used to change institute automatically
State into the silk in a system.
Preferably, the acquisition module is used for the vibration parameters by entering a system described in vibrating sensor acquisition,
Wherein, the vibrating sensor includes：Relative type motor vibrating sensor and inertial sensor.
By the present invention, the vibration parameters for entering a system for obtaining rapid shaping platform are employed；Judge the vibration parameters
It is whether consistent with the vibration parameters that enter a system worked well；In the case where judged result is no, it is determined that this enters a system event
The mode of barrier, solves and detects the problem of entering caused by a system of rapid forming equipment using camera, reduce cost, letter
Change detecting system, improve detection efficiency.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, this Shen
Schematic description and description please is used to explain the application, does not constitute the improper restriction to the application.Also, for this
For the those of ordinary skill of field, on the premise of not paying creative work, it can also obtain other according to these accompanying drawings
Accompanying drawing.In the accompanying drawings：
Fig. 1 is the schematic flow sheet of the fault determination method according to the embodiment of the present application；
Fig. 2 is the structured flowchart of the failure determination device according to the embodiment of the present application；
Fig. 3 is the preferred structure block diagram one according to the failure determination device of the embodiment of the present application；
Fig. 4 is the preferred structure block diagram two according to the failure determination device of the embodiment of the present application.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In the following description, except as otherwise noted, otherwise by with reference to the action and behaviour performed by one or more computers
The symbol of work represents to describe present embodiments.Wherein, computer can include personal computer, server, movement
The various products such as terminal, in the examples below, have used CPU, single-chip microcomputer, DSP etc. to have the equipment of process chip can be with
Referred to as computer.As such, it will be understood that this kind of action and operation that sometimes referred to as computer is performed include the processing of computer
Unit is to representing the manipulation of the electric signal of data with structured form.This manipulation transforms data or the memory in computer
It is safeguarded on position in system, this reconfigures or changed the behaviour of computer in the way of those skilled in the art understands
Make.The data structure for safeguarding data is the physical location of the memory with particular community defined in the form of data.However,
Although the application described in above-mentioned context, its being not intended to limit property, as the skilled personnel to understand
, action described below and each side of operation can also be realized with hardware.
Accompanying drawing is turned to, wherein identical reference number refers to identical element, and the principle of the application is shown in suitably
Realized in computing environment.Describe based on described embodiments herein, and be not considered as on being not known herein below
The alternative embodiment of description and limit the application.
Preferably, the embodiment of the present application can provide a machine-readable medium for being stored thereon with the embodiment of the present application.
It should be noted that any suitable design Storage on the instruction of the application media all within scope of the present application.For example,
Such media can use the form of magnetic medium, optical media or semiconductor medium.
The step of the schematic flow sheet of accompanying drawing is shown can such as one group computer executable instructions department of computer science
Performed in system, and, although logical order is shown in schematic flow sheet, but in some cases, can with different from
Order herein performs shown or described step.
A kind of fault determination method is present embodiments provided, Fig. 1 is the fault determination method according to the embodiment of the present application
Schematic flow sheet, as shown in figure 1, the flow comprises the following steps：
Step S102, obtains the vibration parameters for entering a system of rapid shaping platform；
Step S104, judges whether vibration parameters are consistent with the vibration parameters for entering a system worked well；
Step S106, in the case where judged result is no, it is determined that entering a system failure.
By above-mentioned steps, judging into by way of the vibration parameters of a system and the vibration parameters of normal work differ
Cause, a system jam is entered with determine rapid shaping platform, in correlation technique by the way of the camera,
Due to no longer needing high-precision camera, the vision algorithm for also no longer needing complexity is supported, therefore its cost greatly drops
It is low；It is determined that only need to obtain the vibration parameters into a system during failure, additionally provide in the related art a variety of
Detection of the ripe mode to vibration parameters, these detection modes are simple and easy to apply, and whole detecting system is simple in construction, therefore simplify
Detecting system；Because its deterministic process and detecting system are all very simple, the efficiency of detection is also improved, goes for speed
The high fault detect for entering a system.
Preferably, in order to cause the attention of user when entering a thread system failure, after above-mentioned steps S106, the party
Method can also include：Send alarm signal.Point out user to enter a system by alarm signal and there occurs failure, in order to follow-up
Processing.This improves the experience of user for the rapid shaping platform for not having warning system in correlation technique.It is preferred that
Ground, alarm signal includes：Visual signal and/or audible signal, for example can be：Flashing light, the visual signal such as send out a warning, can also
It is alarm.Preferably, the alarm signal can be sent by the dispensing device of an access network, for example, the alarm
Signal is a message, and the mode such as wireless Internet or WLAN by access is sent on mobile terminal, and can
To be presented on mobile terminals by modes such as picture, video, audios.Correspondingly, accordingly should it be provided with mobile terminals
It is used to handle the alarm signal received with program.
In addition it is also necessary to explanation, send alarm signal in this method can be failure determination device or
The alarm signal that control signal according to being sent by failure determination device is sent, i.e. means for warning can be located at fast rapid-result
On type platform, it can also be located on failure determination device, may be located on alarm in other equipment or relatively independent
System.
Preferably, can configure one is used to obtain user's setting, and preserves the device that user is set, and is respectively used to obtain
Fetch and set and preserve user's setting from user from the user of user.In this case, after step s 106, the party
Method can also include：The user of reading and saving is set, wherein, user is provided for indicating the operation into after a system failure；Root
Set according to the user, send control signal.Wherein, the control signal is used to indicate that corresponding functional entity performs corresponding behaviour
Make.By such mode there is provided a policy service that can be defined by the user, so as to improve the practicality of whole system
Property and flexibility.
Preferably, above-mentioned control signal can be destined to rapid shaping platform or be sent to others
Functional entity is to complete corresponding operation, for example, can provide one is used for the automatic filament replacing device of automatic more swap-in silk device,
The automatic filament replacing device changes the silk entered in a system according to the control signal received.It is sent in the control signal
In the case of rapid shaping platform, the related device of rapid shaping platform can complete one of following function：Stop fast rapid-result
The work of type platform, or record the job schedule of rapid shaping platform.
It should be noted that above-mentioned preferred mode can be used in combination in the case where not conflicting, such as rapid shaping
Platform upon the reception of control signals, stops the work of rapid shaping platform according to the control signal, and it is flat to record rapid shaping
The job schedule of platform.
Preferably, the vibration parameters into a system can be obtained by vibrating sensor, wherein, vibrating sensor includes：
Relative type motor vibrating sensor and inertial sensor.If relative type motor vibrating sensor, sensor can be fixed on into silk
The vicinity of system, and the sensor can not be connected with rapid shaping platform, i.e., and failure determination device is relative to rapid shaping
Platform is relatively independent presence, is conducive to the upgrading and renewal of equipment；If inertial sensor, sensor can be consolidated
It is scheduled on into a system, so as to form one with entering the entirety that a system is combined, simplifies the peace of failure determination device/system
Dress.
The present embodiment additionally provides a kind of failure determination device, and the device is used to realize above-mentioned fault determination method.At this
Each function that the corresponding module being related in embodiment and the function description of unit can combine above-mentioned fault determination method is realized
It is combined description and illustrates, will not be described in great detail in the present embodiment.
Fig. 2 is the structured flowchart of the failure determination device according to the embodiment of the present application, as shown in Fig. 2 the device can be wrapped
Include：Acquisition module 22, judge module 24 and determining module 26, wherein, acquisition module 22, for obtaining entering for rapid shaping platform
The vibration parameters of silk system；Judge module 24 is coupled to acquisition module 22, for judging vibration parameters and entering the normal work of a system
Whether the vibration parameters of work are consistent；Determining module 26 is coupled to judge module 24, in the case of being no in judged result, really
Enter a system failure calmly.
Fig. 3 is the preferred structure block diagram one according to the failure determination device of the embodiment of the present application, as shown in Figure 3, it is preferable that
The device also includes：Alarm module 32 is coupled to determining module 26, for sending alarm signal, wherein, alarm signal includes：Depending on
Feel signal and/or audible signal.
Fig. 4 is the preferred structure block diagram two according to the failure determination device of the embodiment of the present application, as shown in Figure 4, it is preferable that
The device also includes：Read module 42 is coupled to determining module 26, and the user for reading and saving is set, wherein, user is set
For indicating into the operation after a system failure；Sending module 44 is coupled to read module 42, for being set according to user, sends
Control signal.
It should be noted that the structure that Fig. 4 can also combine Fig. 3 is improved, i.e., in one preferred embodiment,
Simultaneously including the alarm module 32 and read module 42 that are coupled with determining module 26, and the transmission mould coupled with read module 42
Block 44.
Preferably, control signal is used at least one of：Stop the work of rapid shaping platform；Rapid shaping is recorded to put down
The job schedule of platform；Start automatic filament replacing device, wherein, the silk that automatic filament replacing device is used in automatic more swap-in silk system.
Preferably, acquisition module 22 is used to obtain vibration parameters into a system by vibrating sensor, wherein, vibration biography
Sensor includes：Relative type motor vibrating sensor and inertial sensor.
Involved module, unit can be realized by way of software in the present embodiment, can also pass through hardware
Mode is realized.Module, unit described in the present embodiment can also be set within a processor, for example, can be described as：One
Planting processor includes acquisition module 22, judge module 24 and determining module 26.Wherein, the title of these modules is in some cases
The restriction in itself to the module is not constituted, for example, acquisition module is also described as " being used to obtain rapid shaping platform
Enter the module of the vibration parameters of a system ".
Its implementation process is described and illustrated below in conjunction with preferred embodiment.
This preferred embodiment provides a kind of rapidform machine charging fault detection method based on vibration detection, this method
Available in the products such as rapid shaping platform, 3D printer based on FDM techniques.Based on this preferred embodiment, for due to going out
The abnormal phenomenon of silk, can preferably avoid printing the generation of failure scenarios.
The technical scheme of this preferred embodiment includes：Increase whether sensor detection material normally enters at the position for entering material
Enter.Necessary measure is taken if not normally entering, prompting, and time-out printing is such as provided, printing progress now is recorded,
Recover to continue to print again after silk is changed.Or automatic filament replacing device is used, change after silk and automatically continue printing.
An implementation process of above-mentioned technical proposal is shown in step below：
Step 1, print procedure is started, and whether start detection wire vent normal；
Step 2, if detected, wire vent is abnormal, and inspection user sets, if user is provided with automatic filament replacing and enters step
5；If there is provided entering step 3 if manually operated；
Step 3, time-out printing, and send alarm；
Step 4, user carries out changing silk manually, into step 6；
Step 5, automatic filament replacing is carried out, into step 6；
Step 6, printing is continued until end, if exception, then returns and performs step 2.
From the description above, this preferred embodiment realizes following effect：Increase sensing at the position for entering material
Whether device detection material normally enters；Autostop and alarmed during failure；Can automatic filament replacing during failure.
In summary, by the above embodiment of the present invention, preferred embodiment and preferred embodiment, employ and be based on shaking
In dynamic fault detection approach, some in these embodiments and preferred embodiment, vibrating sensor is added, control is formed
Closed loop processed so that control is more reasonable；There is provided it is a kind of can autostop alarm and automatic filament replacing scheme, can effectively improve
Print success rate；Can reduce cost compared to camera head monitor scheme, and improve operating efficiency, solve it is existing enter silk system
Unite as opened loop control, without feedback mechanism, and the problem of whether material normally enters can not be detected, effectively prevent material and do not have
Normally enter still print system to remain in operation, the defect for the printing objects that can not have finally obtained reduces cost, simplifies
Detecting system, improves detection efficiency.
It is above-mentioned to be preferred embodiment used in combination.In addition, as used in this application, term " module " or
" unit " can refer to the software object performed on said apparatus or routine.Disparate modules and unit described herein can be by realities
It is now to be performed on said apparatus（For example, being used as single thread）Object or process, meanwhile, said apparatus using hardware or
The realization of the combination of software and hardware is also that may and be contemplated.
The principle of the application can use other universal or special calculating or communication environment or configure to operate.Suitable for this
Well-known computing system, environment and the example of configuration of application include but is not limited to, personal computer, server, many places
Manage device system, the system based on microprocessor, minicomputer, mainframe computer, smart machine, terminal（Including mobile terminal）And
DCE including any said system or equipment.
Obviously, those skilled in the art should be understood that each module or each step of above-mentioned the application can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and constituted
Network on, alternatively, the program code that they can be can perform with computing device be realized, it is thus possible to they are stored
Performed in the storage device by computing device, either they are fabricated to respectively each integrated circuit modules or by they
In multiple modules or step single integrated circuit module is fabricated to realize.So, the application is not restricted to any specific
Hardware and software is combined.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (6)
1. a kind of fault determination method, it is characterised in that including：
Obtain the vibration parameters for entering a system of rapid shaping platform；
Judge the vibration parameters with it is described enter a system worked well vibration parameters it is whether consistent；
In judged result in the case of no, it is determined that it is described enter a system failure,
Wherein, it is determined that it is described enter a system failure after, methods described also includes：The user of reading and saving is set, wherein, institute
User is stated to be provided for entering the operation after a system failure described in instruction；Set according to the user, send control signal,
Wherein, the control signal is used at least one of：Stop the work of the rapid shaping platform；Record described quick
The job schedule of shaped platform；Start automatic filament replacing device, wherein, the automatic filament replacing device is used to enter silk described in replacing automatically
Silk in system.
2. according to the method described in claim 1, it is characterised in that it is determined that it is described enter a system failure after, methods described
Also include：
Alarm signal is sent, wherein, the alarm signal includes：Visual signal and/or audible signal.
3. method according to claim 1 or 2, it is characterised in that obtaining the vibration parameters includes：
By entering the vibration parameters of a system described in vibrating sensor acquisition, wherein, the vibrating sensor includes：Relatively
Formula vibrating sensor and inertial sensor.
4. a kind of failure determination device, it is characterised in that including：
Acquisition module, the vibration parameters for entering a system for obtaining rapid shaping platform；
Judge module, for judge the vibration parameters with it is described enter a system worked well vibration parameters it is whether consistent；
Determining module, in judged result in the case of no, it is determined that it is described enter a system failure,
Wherein, described device also includes：Read module, the user for reading and saving is set, wherein, the user is provided for
Enter the operation after a system failure described in indicating；Sending module, for being set according to the user, sends control signal,
Wherein, the control signal is used at least one of：Stop the work of the rapid shaping platform；Record described quick
The job schedule of shaped platform；Start automatic filament replacing device, wherein, the automatic filament replacing device is used to enter silk described in replacing automatically
System enters silk device.
5. device according to claim 4, it is characterised in that described device also includes：
Alarm module, for sending alarm signal, wherein, the alarm signal includes：Visual signal and/or audible signal.
6. the device according to claim 4 or 5, it is characterised in that the acquisition module is used to obtain by vibrating sensor
Enter the vibration parameters of a system described in taking, wherein, the vibrating sensor includes：Relative type motor vibrating sensor and inertia-type
Sensor.
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| CN201310368203.1A CN104423325B (en) | 2013-08-21 | 2013-08-21 | Fault determination method and device |
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| CN101354578A (en) * | 2007-07-23 | 2009-01-28 | 发那科株式会社 | Numeric control device of machine tool |
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| JP2002292752A (en) * | 2001-03-29 | 2002-10-09 | Minolta Co Ltd | Colored three-dimensional shaping system and method, data processing device and method for colored three- dimensional shaping, data processing program for colored three-dimensional shaping and recording medium having data processing program recorded thereon |
| JP3801100B2 (en) * | 2002-06-07 | 2006-07-26 | Ｊｓｒ株式会社 | Photo-curing modeling apparatus, photo-curing modeling method, and photo-curing modeling system |
| CN202781800U (en) * | 2012-07-03 | 2013-03-13 | 宁波弘讯科技股份有限公司 | Plastic machinery control system |
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| CN101354578A (en) * | 2007-07-23 | 2009-01-28 | 发那科株式会社 | Numeric control device of machine tool |
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| 《基于Java 3D的熔融沉积模型快速成型机的远程监控系统》;王群等;《计算机集成制造系统》;20060530;第12卷(第5期);第737-741页 * |
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