CN114368149B - Method and device for detecting service life of printing nozzle, printer and storage medium - Google Patents
Method and device for detecting service life of printing nozzle, printer and storage medium Download PDFInfo
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- CN114368149B CN114368149B CN202210122946.XA CN202210122946A CN114368149B CN 114368149 B CN114368149 B CN 114368149B CN 202210122946 A CN202210122946 A CN 202210122946A CN 114368149 B CN114368149 B CN 114368149B
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- 238000007639 printing Methods 0.000 title claims abstract description 629
- 238000000034 method Methods 0.000 title claims abstract description 142
- 230000008569 process Effects 0.000 claims abstract description 89
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000004590 computer program Methods 0.000 claims description 49
- 238000012937 correction Methods 0.000 claims description 30
- 230000003993 interaction Effects 0.000 claims description 11
- 239000010788 consumable waste Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 10
- 230000004044 response Effects 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000010146 3D printing Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
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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
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Abstract
The application relates to a method and a device for detecting the service life of a printing nozzle, a printer and a storage medium. The method comprises the following steps: the printer obtains the wear rate of the printing nozzles in the printing process and the time required by the printing process, obtains the historical accumulated use time of the printing nozzles, determines the current accumulated use time of the printing nozzles according to the wear rate of the printing nozzles, the time required by the printing process and the historical accumulated use time, and determines whether the printing nozzles need to be replaced according to the current accumulated use time and the preset use time threshold of the printing nozzles; the method and the device have the advantages that the accumulated use time length of the printing nozzles is accurately calculated according to the wear rate and the printing time length of the printing nozzles in each printing process, the accuracy of the detection of the use time length of the printing nozzles is improved, the user can be timely reminded of replacing the printing nozzles, the problem that consumable waste is caused by that the quality of a printed model does not reach the standard due to the fact that the printing nozzles are worn seriously is avoided, and the detection efficiency of the use time length detection of the printing nozzles is improved.
Description
Technical Field
The present application relates to the field of 3D printing technology, and in particular, to a method, an apparatus, a printer, a storage medium, and a computer program product for detecting a usage time of a printing nozzle.
Background
In the technical field of 3D printing, in particular to a 3D printing technology adopting a fused deposition modeling (Fused Deposition Modeling, abbreviated as FDM) technology, a printed 3D stereoscopic model is formed by stacking layers in a mode that consumable materials are sprayed out by a printer nozzle. For the printer nozzle, in the long-term use process, due to abrasion of consumable materials to the printer nozzle, the quality of a model printed by the printer cannot meet the standard of printing quality, which indicates that the nozzle cannot be normally used due to abrasion, and the nozzle needs to be replaced.
In the conventional technology, whether the quality of the printed model does not reach the standard due to long-term abrasion of the nozzle is judged by analyzing the printed actual model, and if so, the nozzle is considered to be incapable of being used normally due to abrasion and needs to be replaced.
However, the existing mode of manually judging whether the nozzle needs to be replaced according to the printed actual model easily causes waste and economic loss of consumable materials, and the manual judgment mode is inaccurate and has lower judgment efficiency.
Disclosure of Invention
In view of the foregoing, there is a need for a method, apparatus, printer, computer-readable storage medium, and computer program product for detecting the length of use of a print nozzle that can improve the accuracy and efficiency of the length of use of the print nozzle to reduce consumable waste and economic loss.
In a first aspect, the present application provides a method of detecting a print nozzle in use. The method comprises the following steps:
acquiring the wear rate of a printing nozzle in the printing process and the time length required by the printing;
acquiring the historical accumulated use time of the printing nozzle;
determining the current accumulated use time length of the printing nozzle according to the wear rate of the printing nozzle, the time length required by the printing and the historical accumulated use time length;
and determining whether the printing nozzle needs to be replaced according to the current accumulated using time and a preset using time threshold value of the printing nozzle.
In one embodiment, determining the current accumulated usage time of the printing nozzle according to the wear rate of the printing nozzle, the time required for the printing, and the historical accumulated usage time of the printing nozzle includes:
and taking the sum of the product of the wear rate of the printing nozzle and the length required by the printing and the historical accumulated use time as the current accumulated use time.
In one embodiment, the method further comprises:
acquiring the type of a printing nozzle used in the printing process;
correspondingly, acquiring the historical accumulated use time of the printing nozzle comprises the following steps:
determining a historical accumulated use time of the printing nozzle according to the type of the printing nozzle; wherein different printing nozzles correspond to different historical accumulated use time periods.
In one embodiment, obtaining the type of printing nozzle used in the current printing process includes:
receiving the type of a printing nozzle used in the printing process sent by an upper computer;
or,
and responding to the input operation of the user, and acquiring the type of the printing nozzle used in the printing process.
In one embodiment, acquiring the wear rate of the printing nozzle in the current printing process includes:
and receiving the wear rate of the printing nozzle in the printing process sent by the upper computer.
In one embodiment, acquiring the wear rate of the printing nozzle in the current printing process includes:
responding to input operation of a user, and acquiring the type of a printing nozzle used in the printing process and the type of printing consumables;
determining the wear rate of the printing nozzle according to the type of the printing nozzle, the type of the printing consumable and a preset corresponding relation; the preset corresponding relation comprises the corresponding relation among different printing nozzle types, different printing consumable types and different wear rates.
In one embodiment, the method further comprises:
acquiring a plurality of printing nozzles of the same type, and under the same type of printing consumables, corresponding a plurality of using time lengths of the printing nozzles;
determining the wear rate of the printing nozzle under the printing consumable according to the plurality of using time periods;
and establishing a corresponding relation among the type of the printing nozzle, the type of the printing consumable and the wear rate.
In one embodiment, determining the wear rate of the print nozzle under the printing consumable based on the plurality of usage durations includes:
according to the inclusionDetermining a wear rate of the print nozzle under the printing consumable; wherein n is the number of a plurality of using durations, a i Is the i-th use duration.
In one embodiment, determining the wear rate of the print nozzle under the printing consumable based on the plurality of usage durations includes:
calculating an average use duration of the plurality of use durations;
correcting the average use time according to preset correction parameters to obtain corrected average use time;
the inverse of the corrected average use period is taken as the wear rate.
In one embodiment, correcting the average use time length according to a preset correction parameter to obtain a corrected average use time length includes:
According to the inclusion (lambda x T) ave ) Determining a corrected average age; wherein lambda is a preset correction parameter, T ave Is the average duration of use.
In a second aspect, the present application also provides a device for detecting the length of use of a print nozzle. The device comprises:
the first acquisition module is used for acquiring the wear rate of the printing nozzle in the current printing process and the time length required by the current printing;
the second acquisition module is used for acquiring the historical accumulated use time of the printing nozzle;
the first determining module is used for determining the current accumulated use time length of the printing nozzle according to the wear rate of the printing nozzle, the time length required by the printing and the historical accumulated use time length;
and the second determining module is used for determining whether the printing nozzle needs to be replaced according to the current accumulated using time length and the preset using time length threshold value of the printing nozzle.
In a third aspect, the present application also provides a printer. The printer includes a memory storing a computer program and a processor that when executing the computer program performs the steps of:
acquiring the wear rate of a printing nozzle in the printing process and the time length required by the printing;
Acquiring the historical accumulated use time of the printing nozzle;
determining the current accumulated use time length of the printing nozzle according to the wear rate of the printing nozzle, the time length required by the printing and the historical accumulated use time length;
and determining whether the printing nozzle needs to be replaced according to the current accumulated using time and a preset using time threshold value of the printing nozzle.
In a fourth aspect, the present application also provides a computer-readable storage medium. The computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:
acquiring the wear rate of a printing nozzle in the printing process and the time length required by the printing;
acquiring the historical accumulated use time of the printing nozzle;
determining the current accumulated use time length of the printing nozzle according to the wear rate of the printing nozzle, the time length required by the printing and the historical accumulated use time length;
and determining whether the printing nozzle needs to be replaced according to the current accumulated using time and a preset using time threshold value of the printing nozzle.
In a fifth aspect, the present application also provides a computer program product. The computer program product comprising a computer program which, when executed by a processor, performs the steps of:
Acquiring the wear rate of a printing nozzle in the printing process and the time length required by the printing;
acquiring the historical accumulated use time of the printing nozzle;
determining the current accumulated use time length of the printing nozzle according to the wear rate of the printing nozzle, the time length required by the printing and the historical accumulated use time length;
and determining whether the printing nozzle needs to be replaced according to the current accumulated using time and a preset using time threshold value of the printing nozzle.
The method, the device, the computer equipment, the storage medium and the computer program product for detecting the using time of the printing nozzle are characterized in that the printer obtains the wear rate of the printing nozzle in the printing process and the time required by the printing process and obtains the historical accumulated using time of the printing nozzle, then determines the current accumulated using time of the printing nozzle according to the wear rate of the printing nozzle, the time required by the printing process and the historical accumulated using time, and determines whether the printing nozzle needs to be replaced according to the current accumulated using time and the preset using time threshold of the printing nozzle; that is, the printer in the embodiment of the present application may accurately calculate the accumulated usage time length of the printing nozzle according to the wear rate and the printing time length of the printing nozzle in each printing process, and further accurately determine whether to replace the printing nozzle according to the accumulated usage time length of the printing nozzle and a preset usage time length threshold; compared with the prior art, after printing, the model quality that the manual work was printed out is detected, and whether the mode of printing nozzle needs to be changed is judged, the long detection method in the use of this application can improve the accuracy that the printing nozzle used time length detected greatly, and can remind the user in time to change the printing nozzle, avoid printing nozzle wearing and tearing seriously to cause the model quality that the printing out not up to standard, and the extravagant problem of consumptive material that leads to, reduce economic loss, the long accuracy and the detection efficiency that detect when improving the printing nozzle use.
Drawings
FIG. 1 is an application environment diagram of a method of detecting a length of time of use of a print nozzle in one embodiment;
FIG. 2 is a flow diagram of a method of detecting a length of time of use of a print nozzle in one embodiment;
FIG. 3 is a flow chart of a method of detecting a length of use of a print nozzle according to another embodiment;
FIG. 4 is a flow chart of a method of detecting the length of time of use of a print nozzle according to another embodiment;
FIG. 5 is a flow chart of a method of detecting the length of time of use of a print nozzle in another embodiment;
FIG. 6 is a flow chart of a method of detecting a length of use of a print nozzle according to another embodiment;
FIG. 7 is a block diagram of a print nozzle in-use length detection apparatus in one embodiment;
FIG. 8 is a block diagram of a print nozzle in another embodiment of a device for detecting the length of time of use;
FIG. 9 is a block diagram of a print nozzle in another embodiment of a device for detecting the length of time of use;
fig. 10 is an internal structural view of the printer in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
The method for detecting the service life of the printing nozzle can be applied to an application environment shown in fig. 1. Wherein the terminal 101 communicates with the printer 102 via a wired or wireless network. The terminal 101 may be, but not limited to, various personal computers, notebook computers, smartphones, tablet computers, and portable wearable devices, which may be smart watches, smart bracelets, headsets, etc.; the printer 102 may be, but is not limited to, various types of printers, 3D printers, etc. The terminal 101 has installed therein host computer software for communicating with the printer 102.
Optionally, the printer 102 may include a printer control module 1021, a human-machine interaction module 1022, a monitoring module 1023, a timing module 1024, and a storage module 1025; the printer control module 1021 may be configured to control the printing nozzle to print according to slice information of the model to be printed sent by the host computer; the man-machine interaction module 1022 may be configured to respond to a triggering operation or an input operation of a user on the man-machine interaction interface, and send a corresponding parameter to the monitoring module; the monitoring module 1023 may be configured to obtain the type of the nozzle and the type of the consumable for the current printing by identifying the slice information, or may receive the type of the nozzle and the type of the consumable sent by the man-machine interaction module 1022, or may receive the printing duration of the current printing sent by the timing module 1024, and obtain the historical accumulated usage duration of the printing nozzle for the current printing from the storage module 1025, and determine the current accumulated usage duration corresponding to the printing nozzle after the current printing is finished according to the above parameters.
In one embodiment, as shown in fig. 2, there is provided a method for detecting the length of time of use of a printing nozzle, which is described as an example of application to the printer in fig. 1, comprising the steps of:
step 201, obtaining the wear rate of the printing nozzle in the current printing process and the time length required by the current printing.
The wear rate of the printing nozzle is the wear rate of the printing consumable used in the current printing process to the printing nozzle used in the current printing.
Optionally, the printer may receive the wear rate of the printing nozzle in the current printing process sent by any one of the terminals, that is, the printer may receive the wear rate of the printing nozzle in the current printing process sent by the upper computer installed in the terminal; optionally, the printer may further include a man-machine interaction interface, and the wear rate of the printing nozzle in the current printing process is obtained by detecting a triggering operation of a user on the man-machine interaction interface; the embodiments of the present application are not limited in this regard. Aiming at the time length required by the printing, the printer can automatically record the printing starting time and the printing ending time, and determine the time length required by the printing according to the printing starting time and the printing ending time; for example: a timer can be adopted to directly record the time length required by the printing; optionally, the required length of the current printing can also be determined by the relevant parameters of the model to be printed, for example: the relevant parameters of the model to be printed can comprise the number of printing layers of the model to be printed, the printing path length of each layer, the printing speed and the like, and the length required by the printing can be calculated according to the parameters; the method and the device do not limit the related parameters for calculating the time length required by the printing and the obtaining mode of the time length required by the printing.
Step 202, obtaining a historical accumulated usage time of the printing nozzle.
The historical accumulated use time of the printing nozzle is the accumulated use time of the printing nozzle generated by using different types of printing consumables in the historical printing process of the printing nozzle.
Optionally, the printer may receive the historical accumulated usage time of the printing nozzle sent by the upper computer in the terminal, and may also obtain the historical accumulated usage time of the printing nozzle input by the user on the man-machine interaction interface of the printer.
Step 203, determining the current accumulated use duration of the printing nozzle according to the wear rate of the printing nozzle, the time duration required by the printing and the historical accumulated use duration.
Optionally, the wear rate of the printing nozzle, the time length required by the printing and the historical accumulated use time length can be input into a preset algorithm to obtain the current accumulated use time length of the printing nozzle; the sum of the product of the wear rate of the printing nozzle and the time required for the printing and the historical accumulated use time length can be used as the current accumulated use time length.
Step 204, determining whether the printing nozzle needs to be replaced according to the current accumulated usage time and the preset usage time threshold of the printing nozzle.
The preset use duration threshold may be 1 or 100%, or may be a use duration threshold after a correction coefficient is introduced on the basis of 1 or 100%, that is, the preset use duration threshold may also be a certain use duration threshold less than 1 or 100%, for example, the preset use duration threshold may be 0.9 or 90%, or may be other values; in addition, the preset usage time threshold may be a usage time threshold stored in advance in the printer, or may be a usage time threshold sent by the receiving terminal, or a usage time threshold input by the user, optionally, the priority of the usage time threshold sent by the terminal or input by the user may be higher than the pre-stored usage time threshold, so that the user may flexibly modify the usage time threshold of the printing nozzle according to the actual effect of the printed model.
Optionally, if the current accumulated usage time is greater than a preset usage time threshold of the printing nozzle, it may be determined that the printing nozzle needs to be replaced, and in this case, the printer may output a reminder to replace the printing nozzle, so that the user can replace the printing nozzle in time. Optionally, the printer may send the alert information to the terminal to instruct the terminal to output the alert information; the printer can also output the reminding information through the human-computer interaction interface of the printer; the output mode can be interface display, voice prompt, buzzer prompt and the like, and the method and the device for outputting the prompt information are not limited.
In the method for detecting the use time length of the printing nozzle, the printer acquires the wear rate of the printing nozzle in the printing process and the time length required by the printing process and acquires the historical accumulated use time length of the printing nozzle, then determines the current accumulated use time length of the printing nozzle according to the wear rate of the printing nozzle, the time length required by the printing process and the historical accumulated use time length, and determines whether the printing nozzle needs to be replaced according to the current accumulated use time length and the preset use time length threshold of the printing nozzle; that is, the printer in the embodiment of the present application may accurately calculate the accumulated usage time length of the printing nozzle according to the wear rate and the printing time length of the printing nozzle in each printing process, and further accurately determine whether to replace the printing nozzle according to the accumulated usage time length of the printing nozzle and a preset usage time length threshold; compared with the prior art, after printing, the model quality that the manual work was printed out is detected, and whether the mode of printing nozzle needs to be changed is judged, the long detection method in the use of this application can improve the accuracy that the printing nozzle used time length detected greatly, and can remind the user in time to change the printing nozzle, avoid printing nozzle wearing and tearing seriously to cause the model quality that the printing out not up to standard, and the extravagant problem of consumptive material that leads to, reduce economic loss, the long accuracy and the detection efficiency that detect when improving the printing nozzle use.
FIG. 3 is a flow chart of a method for detecting the length of time of use of a print nozzle according to another embodiment. The present embodiment relates to an optional implementation process for obtaining a history accumulated usage time of a printing nozzle used in a current printing process in the case of a plurality of different types of printing nozzles, where on the basis of the above embodiment, the method further includes:
step 301, obtaining the type of the printing nozzle used in the current printing process.
Optionally, the printer may receive the type of the printing nozzle used in the current printing process sent by the upper computer in the terminal; and the type of the printing nozzle used in the printing process can also be obtained in response to the input operation of the user on the man-machine interaction interface.
Accordingly, the step 202 may further include:
step 302, determining a historical accumulated usage period of the printing nozzle according to the type of the printing nozzle.
In the printer, the correspondence between the marks of the different types of printing nozzles and the historical accumulated use time lengths corresponding to the different types of printing nozzles can be stored in advance, and the accumulated use time length of the printing nozzles used in the printing process can be updated in the correspondence after each printing is finished.
Optionally, after the type of the printing nozzle used in the current printing process is obtained, a historical accumulated use duration corresponding to the printing nozzle used in the current printing process may be determined according to the type of the printing nozzle and the corresponding relationship.
In this embodiment, the type of the printing nozzle used in the current printing process is obtained, and the historical accumulated use time of the printing nozzle is determined according to the type of the printing nozzle; wherein different printing nozzles correspond to different historical accumulated use time lengths; under the condition of multiple different types of printing nozzles, the historical accumulated use duration of the printing nozzles can be automatically determined according to the types of the printing nozzles used in the printing, the automatic use duration detection of the multiple different types of printing nozzles is realized, the problem of high labor cost caused by manual detection of each printing nozzle is avoided, and the use duration detection efficiency of the printing nozzles can be greatly improved.
FIG. 4 is a flow chart of a method for detecting the length of time of use of a print nozzle according to another embodiment. The present embodiment relates to an optional implementation process in which the printer obtains the wear rate of the printing nozzle in the current printing process, and on the basis of the above embodiment, the step 201 includes:
In step 401, the type of the printing nozzle used in the current printing process and the type of the printing consumable are obtained in response to the input operation of the user.
Optionally, the user may also input the type of the printing nozzle used in the current printing process and the type of the printing consumable used through the man-machine interface.
Step 402, determining the wear rate of the printing nozzle according to the type of the printing nozzle, the type of the printing consumable and the preset corresponding relation.
The preset corresponding relation comprises the corresponding relation among different printing nozzle types, different printing consumable types and different wear rates.
In this embodiment, the printer obtains the type of the printing nozzle used in the current printing process and the type of the printing consumable by responding to the input operation of the user, and then determines the wear rate of the printing nozzle according to the type of the printing nozzle, the type of the printing consumable and the preset corresponding relation; the preset corresponding relation comprises the corresponding relation among different printing nozzle types, different printing consumable types and different wear rates; the convenience and the flexibility of the operation of the user can be improved, and the comprehensive performance of the printer is improved.
In an alternative embodiment of the present application, for the different ways of obtaining the wear rate of the printing nozzles described above, for example: receiving the wear rate sent by a computer in wired connection with a printer, receiving the wear rate sent by a mobile phone in wireless connection with the printer, and responding to the wear rate input by a user on a man-machine interaction interface of the printer, or setting different priorities according to different modes according to the type of input printing nozzles and the wear rate determined by the type of printing consumables, wherein under the condition that the printer receives the wear rates of the printing nozzles input in different modes, the wear rate of the printing nozzles can be determined according to the priorities corresponding to the different modes; the application range of the printer can be increased, and the intelligence and the flexibility of the printer can be improved.
FIG. 5 is a flow chart of a method for detecting the length of time of use of a print nozzle according to another embodiment. The present embodiment relates to an optional implementation process in which the printer obtains a preset correspondence between types of different printing nozzles, types of different printing consumables, and different wear rates, where on the basis of the foregoing embodiment, the method further includes:
Step 501, a plurality of printing nozzles of the same type are obtained, and under the same type of printing consumables, a plurality of using durations corresponding to the printing nozzles are obtained.
Optionally, for the same type of printing nozzle, selecting a plurality of printing nozzle samples, and for each printing nozzle sample, respectively obtaining the use duration of the printing nozzle under the same type of printing consumable, where the use duration may be the total printing duration that the printing nozzle can use under the printing consumable.
An example of a specific implementation is illustrated: selecting printing nozzles N 1 Sample set a 11 And printing consumables F 1 One or more rolls, the sample quantity n of the printing nozzles can be 5, 10 or more, and the like, the materials of the printing nozzles in the sample are the same, the technical requirements of processing graphics are consistent, and the printing consumable adopts the same component formula, raw materials, production process and the likeThe method comprises the steps of carrying out a first treatment on the surface of the Using the printing consumable F 1 For the printing nozzle N 1 Is not equal to the respective nozzle sample a 11 The method comprises the steps of performing long-time printing test on nozzles one by one on the same printer to obtain accumulated printing time from the beginning of printing to the end of the use time of the printing nozzles which cannot be normally used due to abrasion, wherein the accumulated printing time can be used as the use time of the printing nozzles, and recording to obtain a nozzle sample a 11 Each of the printing nozzles N 1 Corresponding printing consumables F 1 The duration of use T of (2) 11 Corresponding data array a 11 [a,b,c,...]。
During the period, the standard test model is used for judging the printing quality of the printed object, and whether the printing nozzle reaches the condition that the printing nozzle cannot be normally used due to abrasion can be judged by judging whether the test model meets the test standard; such as: the print quality test model 3DBenchy, which is commonly used in the 3D printing industry, is tested, which contains print quality evaluation criteria.
Step 502, determining the wear rate of the printing nozzle under the printing consumable according to the plurality of using time periods.
Optionally, after obtaining the type of printing nozzle and a plurality of corresponding using time periods of the printing nozzle under the type of printing consumable, determining the wear rate of the printing nozzle under the printing consumable according to the plurality of using time periods; alternatively, the reciprocal of the median of the plurality of usage periods, which is the usage period at the intermediate position among the plurality of usage periods arranged in order of magnitude, may be taken as the wear rate of the printing nozzle; the reciprocal of the average value of the plurality of using time periods can be used as the wear rate of the printing nozzle, and the average value can be the average value of the plurality of using time periods or the average value of the plurality of using time periods after the maximum value and the minimum value are removed; alternatively, it may be based on inclusion of Determining a wear rate of the print nozzle under the printing consumable; wherein n is the number of a plurality of using durations, a i Is the i-th use duration.
Based on the liftingFor example, when the printing nozzle N is obtained 1 In printing consumables F 1 Duration of use T 11 Corresponding data array a 11 [a,b,c,...]Thereafter, the printing nozzle N can be calculated according to the calculation mode 1 In the printing material F 1 Wear rate delta 11 Such as: by calculating the wear rate by means of the inverse of the mean value of a plurality of time periods of use, the printing nozzle N 1 In the printing material F 1 Wear rate delta 11 The calculation formula of (2) can beWherein (1)>For the printing nozzle N 1 Average duration of use of (a).
In step 503, a correspondence between the type of the printing nozzle, the type of the printing consumable, and the wear rate is established.
Optionally, after the printing nozzle N is obtained 1 In the printing material F 1 Wear rate delta 11 Thereafter, the printing nozzle N may be established 1 Printing consumables F 1 The wear rate delta 11 Correspondence between them.
Similarly, for the printing nozzle N 1 Replacement of printing consumables F 2 Readying the printing nozzle N 1 Sample set a 12 And printing consumables F 2 One or more rolls of the sample a can be obtained by adopting the same printing test mode 12 Each of the printing nozzles N 1 Corresponding printing consumables F 2 The duration of use T of (2) 12 Corresponding data array a 12 [a,b,c,...]Further, the printing nozzle N can be obtained 1 In the printing material F 2 Wear rate delta 12 。
Similarly, the same print test mode as described above can also be used to obtain print nozzle N 2 、N 3 、......、N i Respectively at printing consumables F 1 、F 2 、......、F j Wear rate delta ij And respectively establishing corresponding relations among different printing nozzle types, different printing consumable types and different wear rates, wherein the corresponding relations can be shown in the following table:
optionally, after the preset correspondence is obtained, the preset correspondence may be stored locally in the printer, so that the printer can determine the wear rate of the printing nozzle in the current printing process according to the type of the printing nozzle used in the current printing process and the type of the printing consumable.
In this embodiment, a plurality of printing nozzles of the same type are obtained, a plurality of usage periods corresponding to the printing nozzles are obtained under the same type of printing consumable, the wear rate of the printing nozzles under the printing consumable is determined according to the plurality of usage periods, and a correspondence between the type of the printing nozzle, the type of the printing consumable and the wear rate is established, so that the feasibility of the preset correspondence can be improved, and the convenience and reliability of the preset correspondence can be obtained.
FIG. 6 is a flow chart of a method for detecting the length of time of use of a print nozzle in another embodiment. This embodiment relates to an optional implementation process of the printer determining, according to the multiple usage periods, a wear rate of the printing nozzle under the printing consumable, where, based on the above embodiment, the step 502 includes:
in step 601, an average usage period of the plurality of usage periods is calculated.
Step 602, correcting the average use duration according to a preset correction parameter to obtain a corrected average use duration.
Alternatively, a correction coefficient λ may be introduced, where the value of the correction coefficient λ may be in the range of 0 to 1, for example, λ may be selected to be 0.8, and the average use period may be corrected by the correction coefficient λ, i.e., the correction coefficient λ may be multiplied by the average use period to obtain the corrected average use periodLong, i.e. can be determined by the inclusion (lambda. T) ave ) Determining a corrected average use time length, wherein lambda is a preset correction parameter, T ave Average use duration; based on the above example, for printing nozzle N 1 In printing consumables F 1 Duration of use T 11 May be
Optionally, the correction coefficient may be a default correction coefficient, or the correction coefficient may be flexibly adjusted by responding to an input operation of a user, where in the case of adjusting the correction coefficient, the printer may redetermine the wear rate of the printing nozzle under the printing consumable according to the pre-stored usage time or average usage time of the printing nozzle under the different printing consumable, and the adjusted correction coefficient.
And step 603, taking the reciprocal of the average use duration after correction as the wear rate.
In this embodiment, an average usage duration of the plurality of usage durations is calculated, the average usage duration is corrected according to a preset correction parameter, a corrected average usage duration is obtained, and an inverse of the corrected average usage duration is used as the wear rate; in this embodiment, the average use duration is corrected by introducing the correction coefficient, so that the detection error of the use duration of the printing nozzle under the printing consumable can be corrected, so as to reduce the use duration error.
It should be understood that, although the steps in the flowcharts related to the embodiments described above are sequentially shown as indicated by arrows, these steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in the flowcharts described in the above embodiments may include a plurality of steps or a plurality of stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily performed sequentially, but may be performed alternately or alternately with at least some of the other steps or stages.
Based on the same inventive concept, the embodiment of the present application also provides a print nozzle in-use length detection apparatus for implementing the above-mentioned print nozzle in-use length detection method. The implementation of the solution provided by the device is similar to that described in the above method, so the specific limitation in the embodiment of the device for detecting the usage time length of one or more printing nozzles provided below may refer to the limitation of the method for detecting the usage time length of a printing nozzle hereinabove, and will not be repeated here.
In one embodiment, as shown in fig. 7, there is provided a use time length detection apparatus of a printing nozzle, comprising: a first acquisition module 701, a second acquisition module 702, a first determination module 703 and a second determination module 704, wherein:
the first obtaining module 701 is configured to obtain the wear rate of the printing nozzle in the current printing process and the time duration required for the current printing.
A second obtaining module 702 is configured to obtain a historical accumulated usage time of the printing nozzle.
The first determining module 703 is configured to determine a current accumulated usage time length of the printing nozzle according to the wear rate of the printing nozzle, the time length required for the current printing, and the historical accumulated usage time length.
A second determining module 704, configured to determine whether the printing nozzle needs to be replaced according to the current accumulated usage time period and a preset usage time period threshold of the printing nozzle.
In one embodiment, the first determining module 703 is specifically configured to sum the product of the wear rate of the printing nozzle and the length required for the current printing with the historical accumulated usage time period as the current accumulated usage time period.
In one embodiment, as shown in fig. 8, the apparatus further comprises: a third acquisition module 705; the third obtaining module 705 is configured to obtain a type of a printing nozzle used in the current printing process; correspondingly, the second obtaining module 702 is specifically configured to determine a historical accumulated usage time of the printing nozzle according to the type of the printing nozzle; wherein different printing nozzles correspond to different historical accumulated use time periods.
In one embodiment, the third obtaining module 705 is specifically configured to receive a type of a printing nozzle used in the current printing process sent by the host computer; or, in response to the input operation of the user, the type of the printing nozzle used in the current printing process is obtained.
In one embodiment, the first obtaining module 701 is specifically configured to receive the wear rate of the printing nozzle in the current printing process sent by the host computer.
In one embodiment, the first obtaining module 701 is specifically configured to obtain, in response to an input operation of a user, a type of a printing nozzle used in the current printing process and a type of a printing consumable; determining the wear rate of the printing nozzle according to the type of the printing nozzle, the type of the printing consumable and a preset corresponding relation; the preset corresponding relation comprises the corresponding relation among different printing nozzle types, different printing consumable types and different wear rates.
In one embodiment, as shown in fig. 9, the apparatus further comprises: a fourth acquisition module 706, a third determination module 707, and a setup module 708; the fourth obtaining module 706 is configured to obtain a plurality of printing nozzles of the same type, where the printing nozzles correspond to a plurality of usage periods under the same type of printing consumables; a third determining module 707 for determining a wear rate of the printing nozzle under the printing consumable according to the plurality of usage periods; a setting up module 708 is configured to set up a correspondence between the type of the printing nozzle, the type of the printing consumable, and the wear rate.
In one embodiment, the third determining module 707 is specifically configured to include Determining a wear rate of the print nozzle under the printing consumable; wherein n is the number of a plurality of using durations, a i Is the i-th use duration.
In one embodiment, the third determining module 707 is specifically configured to calculate an average usage duration of the plurality of usage durations; correcting the average use time according to preset correction parameters to obtain corrected average use time; the inverse of the corrected average use period is taken as the wear rate.
In one embodiment, the third determining module 707 is specifically configured to determine the third value according to the sum of (λ×t ave ) Determining a corrected average age; wherein lambda is a preset correction parameter, T ave Is the average duration of use.
The various modules in the above-described print nozzle in-use length detection apparatus may be implemented in whole or in part by software, hardware, and combinations thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.
In one embodiment, a printer is provided, the internal structure of which may be as shown in fig. 10. The printer includes a processor, a memory, a communication interface, a display screen, and an input device connected by a system bus. Wherein the processor of the printer is configured to provide computing and control capabilities. The memory of the printer includes a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The communication interface of the printer is used for carrying out wired or wireless communication with an external terminal, and the wireless mode can be realized through WIFI, a mobile cellular network, NFC (near field communication) or other technologies. The computer program, when executed by a processor, implements a method of detecting a length of use of a print nozzle. The display screen of the printer can be a liquid crystal display screen or an electronic ink display screen, and the input device of the printer can be a touch layer covered on the display screen, can also be keys, a track ball or a touch pad arranged on the printer shell, and can also be an external keyboard, a touch pad or a mouse and the like.
It will be appreciated by those skilled in the art that the structure shown in fig. 10 is merely a block diagram of some of the structures associated with the present application and is not limiting of the computer device to which the present application may be applied, and that a particular computer device may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a printer is provided that includes a memory having a computer program stored therein and a processor that when executing the computer program performs the steps of:
acquiring the wear rate of a printing nozzle in the printing process and the time length required by the printing;
acquiring the historical accumulated use time of the printing nozzle;
determining the current accumulated use time length of the printing nozzle according to the wear rate of the printing nozzle, the time length required by the printing and the historical accumulated use time length;
and determining whether the printing nozzle needs to be replaced according to the current accumulated using time and a preset using time threshold value of the printing nozzle.
In one embodiment, the processor when executing the computer program further performs the steps of: and taking the sum of the product of the wear rate of the printing nozzle and the length required by the printing and the historical accumulated use time as the current accumulated use time.
In one embodiment, the processor when executing the computer program further performs the steps of: acquiring the type of a printing nozzle used in the printing process; determining a historical accumulated use time of the printing nozzle according to the type of the printing nozzle; wherein different printing nozzles correspond to different historical accumulated use time periods.
In one embodiment, the processor when executing the computer program further performs the steps of: receiving the type of a printing nozzle used in the printing process sent by an upper computer; or, in response to the input operation of the user, the type of the printing nozzle used in the current printing process is obtained.
In one embodiment, the processor when executing the computer program further performs the steps of: and receiving the wear rate of the printing nozzle in the printing process sent by the upper computer.
In one embodiment, the processor when executing the computer program further performs the steps of: responding to input operation of a user, and acquiring the type of a printing nozzle used in the printing process and the type of printing consumables; determining the wear rate of the printing nozzle according to the type of the printing nozzle, the type of the printing consumable and a preset corresponding relation; the preset corresponding relation comprises the corresponding relation among different printing nozzle types, different printing consumable types and different wear rates.
In one embodiment, the processor when executing the computer program further performs the steps of: acquiring a plurality of printing nozzles of the same type, and under the same type of printing consumables, corresponding a plurality of using time lengths of the printing nozzles; determining the wear rate of the printing nozzle under the printing consumable according to the plurality of using time periods; and establishing a corresponding relation among the type of the printing nozzle, the type of the printing consumable and the wear rate.
In one embodiment, the processor when executing the computer program further performs the steps of: according to the inclusionDetermining a wear rate of the print nozzle under the printing consumable; wherein n is the number of a plurality of using durations, a i Is the i-th use duration.
In one embodiment, the processor when executing the computer program further performs the steps of: calculating an average use duration of the plurality of use durations; correcting the average use time according to preset correction parameters to obtain corrected average use time; the inverse of the corrected average use period is taken as the wear rate.
In one embodiment, the processor when executing the computer program further performs the steps of: according to the inclusion (lambda x T) ave ) Determining a corrected average age; wherein lambda is a preset correction parameter, T ave Is the average duration of use.
In one embodiment, a computer readable storage medium is provided having a computer program stored thereon, which when executed by a processor, performs the steps of:
acquiring the wear rate of a printing nozzle in the printing process and the time length required by the printing;
acquiring the historical accumulated use time of the printing nozzle;
determining the current accumulated use time length of the printing nozzle according to the wear rate of the printing nozzle, the time length required by the printing and the historical accumulated use time length;
and determining whether the printing nozzle needs to be replaced according to the current accumulated using time and a preset using time threshold value of the printing nozzle.
In one embodiment, the computer program when executed by the processor further performs the steps of: and taking the sum of the product of the wear rate of the printing nozzle and the length required by the printing and the historical accumulated use time as the current accumulated use time.
In one embodiment, the computer program when executed by the processor further performs the steps of: acquiring the type of a printing nozzle used in the printing process; determining a historical accumulated use time of the printing nozzle according to the type of the printing nozzle; wherein different printing nozzles correspond to different historical accumulated use time periods.
In one embodiment, the computer program when executed by the processor further performs the steps of: receiving the type of a printing nozzle used in the printing process sent by an upper computer; or, in response to the input operation of the user, the type of the printing nozzle used in the current printing process is obtained.
In one embodiment, the computer program when executed by the processor further performs the steps of: and receiving the wear rate of the printing nozzle in the printing process sent by the upper computer.
In one embodiment, the computer program when executed by the processor further performs the steps of: responding to input operation of a user, and acquiring the type of a printing nozzle used in the printing process and the type of printing consumables; determining the wear rate of the printing nozzle according to the type of the printing nozzle, the type of the printing consumable and a preset corresponding relation; the preset corresponding relation comprises the corresponding relation among different printing nozzle types, different printing consumable types and different wear rates.
In one embodiment, the computer program when executed by the processor further performs the steps of: acquiring a plurality of printing nozzles of the same type, and under the same type of printing consumables, corresponding a plurality of using time lengths of the printing nozzles; determining the wear rate of the printing nozzle under the printing consumable according to the plurality of using time periods; and establishing a corresponding relation among the type of the printing nozzle, the type of the printing consumable and the wear rate.
In one embodiment, the computer program when executed by the processor further performs the steps of: according to the inclusionDetermining a wear rate of the print nozzle under the printing consumable; wherein n is the number of a plurality of using durations, a i Is the i-th use duration.
In one embodiment, the computer program when executed by the processor further performs the steps of: calculating an average use duration of the plurality of use durations; correcting the average use time according to preset correction parameters to obtain corrected average use time; the inverse of the corrected average use period is taken as the wear rate.
In one embodiment, the computer program when executed by the processor further performs the steps of: according to the inclusion (lambda x T) ave ) Determining a corrected average age; wherein lambda is a preset correction parameter, T ave Is the average duration of use.
In one embodiment, a computer program product is provided comprising a computer program which, when executed by a processor, performs the steps of:
acquiring the wear rate of a printing nozzle in the printing process and the time length required by the printing;
acquiring the historical accumulated use time of the printing nozzle;
Determining the current accumulated use time length of the printing nozzle according to the wear rate of the printing nozzle, the time length required by the printing and the historical accumulated use time length;
and determining whether the printing nozzle needs to be replaced according to the current accumulated using time and a preset using time threshold value of the printing nozzle.
In one embodiment, the computer program when executed by the processor further performs the steps of: and taking the sum of the product of the wear rate of the printing nozzle and the length required by the printing and the historical accumulated use time as the current accumulated use time.
In one embodiment, the computer program when executed by the processor further performs the steps of: acquiring the type of a printing nozzle used in the printing process; determining a historical accumulated use time of the printing nozzle according to the type of the printing nozzle; wherein different printing nozzles correspond to different historical accumulated use time periods.
In one embodiment, the computer program when executed by the processor further performs the steps of: receiving the type of a printing nozzle used in the printing process sent by an upper computer; or, in response to the input operation of the user, the type of the printing nozzle used in the current printing process is obtained.
In one embodiment, the computer program when executed by the processor further performs the steps of: and receiving the wear rate of the printing nozzle in the printing process sent by the upper computer.
In one embodiment, the computer program when executed by the processor further performs the steps of: responding to input operation of a user, and acquiring the type of a printing nozzle used in the printing process and the type of printing consumables; determining the wear rate of the printing nozzle according to the type of the printing nozzle, the type of the printing consumable and a preset corresponding relation; the preset corresponding relation comprises the corresponding relation among different printing nozzle types, different printing consumable types and different wear rates.
In one embodiment, the computer program when executed by the processor further performs the steps of: acquiring a plurality of printing nozzles of the same type, and under the same type of printing consumables, corresponding a plurality of using time lengths of the printing nozzles; determining the wear rate of the printing nozzle under the printing consumable according to the plurality of using time periods; and establishing a corresponding relation among the type of the printing nozzle, the type of the printing consumable and the wear rate.
In one embodiment, the computer program when executed by the processor further performs the steps of: according to the inclusion Determining a wear rate of the print nozzle under the printing consumable; wherein n is the number of a plurality of using durations, a i Is the i-th use duration.
In one embodiment, the computer program when executed by the processor further performs the steps of: calculating an average use duration of the plurality of use durations; correcting the average use time according to preset correction parameters to obtain corrected average use time; the inverse of the corrected average use period is taken as the wear rate.
In one embodiment, the computer program when executed by the processor further performs the steps of: according to the inclusion (lambda x T) ave ) Determining a corrected average age; wherein lambda is a preset correction parameter, T ave Is the average duration of use.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the various embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high density embedded nonvolatile Memory, resistive random access Memory (ReRAM), magnetic random access Memory (Magnetoresistive Random Access Memory, MRAM), ferroelectric Memory (Ferroelectric Random Access Memory, FRAM), phase change Memory (Phase Change Memory, PCM), graphene Memory, and the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory, and the like. By way of illustration, and not limitation, RAM can be in the form of a variety of forms, such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM), and the like. The databases referred to in the various embodiments provided herein may include at least one of relational databases and non-relational databases. The non-relational database may include, but is not limited to, a blockchain-based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic units, quantum computing-based data processing logic units, etc., without being limited thereto.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application shall be subject to the appended claims.
Claims (13)
1. A method of detecting a length of time of use of a print nozzle, the method comprising:
acquiring the wear rate of a printing nozzle in the printing process and the time length required by the printing; the wear rate of the printing nozzle is the wear rate of the printing consumable used in the current printing process to the printing nozzle used in the current printing; the step of obtaining the wear rate of the printing nozzle in the printing process comprises the following steps: responding to input operation of a user, and acquiring the type of a printing nozzle used in the printing process and the type of printing consumables; determining the wear rate of the printing nozzle according to the type of the printing nozzle, the type of the printing consumable and a preset corresponding relation; the preset corresponding relation comprises the corresponding relation among different printing nozzle types, different printing consumable types and different wear rates; under the condition that the wear rates of the printing nozzles input in a plurality of different modes are received, determining the wear rates of the printing nozzles according to priorities corresponding to the different modes; determining the required length for the current printing comprises: determining the time length required by the printing through related parameters of a model to be printed, wherein the related parameters comprise the number of printing layers of the model to be printed, the printing path length of each layer and the printing speed;
Acquiring the historical accumulated use time of the printing nozzle; the historical accumulated use time length of the printing nozzle is the accumulated use time length of the printing nozzle generated by using different types of printing consumables to the printing nozzle in the historical printing process;
determining the current accumulated use time length of the printing nozzle according to the wear rate of the printing nozzle, the time length required by the printing and the historical accumulated use time length; comprising the following steps: taking the sum of the product of the wear rate of the printing nozzle and the time required by the printing and the historical accumulated use time as the current accumulated use time;
determining whether the printing nozzle needs to be replaced according to the current accumulated using time length and a preset using time length threshold value of the printing nozzle;
wherein the method further comprises:
acquiring a plurality of printing nozzles of the same type, and under the same type of printing consumables, a plurality of using time lengths corresponding to the printing nozzles;
determining the wear rate of the printing nozzle under the printing consumable according to the using time periods; comprising the following steps: according to the inclusionDetermining a wear rate of the print nozzle under the printing consumable; wherein n is the number of the plurality of using durations, a is i For the ith use duration;
and establishing a corresponding relation among the type of the printing nozzle, the type of the printing consumable and the wear rate.
2. The method of claim 1, wherein the preset usage time period threshold is a usage time period threshold stored in advance by a printer, or is a usage time period threshold sent by a receiving terminal, or is a usage time period threshold input by a user;
wherein, the priority of the using time length threshold value sent by the receiving terminal or input by the user is higher than the pre-stored using time length threshold value.
3. The method according to claim 1, wherein the method further comprises:
acquiring the type of a printing nozzle used in the printing process;
correspondingly, the acquiring the historical accumulated use time of the printing nozzle comprises the following steps:
determining a historical accumulated use time length of the printing nozzle according to the type of the printing nozzle; wherein different printing nozzles correspond to different historical accumulated use time periods.
4. A method according to claim 3, wherein said obtaining the type of printing nozzle used in the current printing process comprises:
Receiving the type of a printing nozzle used in the printing process sent by an upper computer;
or alternatively;
and responding to the input operation of the user, and acquiring the type of the printing nozzle used in the printing process.
5. The method according to any one of claims 1 to 4, wherein the obtaining the wear rate of the printing nozzle during the present printing process includes:
and receiving the wear rate of the printing nozzle in the printing process sent by the upper computer.
6. The method according to claim 1, wherein the method further comprises:
and under the condition that the printing nozzle needs to be replaced, outputting reminding information to a terminal so as to instruct the terminal to output the reminding information, or outputting the reminding information through a man-machine interaction interface of a printer, wherein the reminding information is used for reminding a user to replace the printing nozzle.
7. The method according to claim 1, wherein the preset duration of use threshold is 1 or 100%; or, the threshold value of the service life after the correction coefficient is introduced on the basis of 1 or 100%.
8. The method of claim 1, wherein the determining the wear rate of the print nozzle under the printing consumable based on the plurality of usage durations comprises:
And taking the reciprocal of the median of the plurality of using durations as the wear rate of the printing nozzle, wherein the median is the using duration at the middle position in the plurality of using durations arranged in sequence.
9. The method of claim 1, wherein the determining the wear rate of the print nozzle under the printing consumable based on the plurality of usage durations comprises:
calculating an average use duration of the plurality of use durations;
correcting the average use time length according to preset correction parameters to obtain corrected average use time length;
and taking the reciprocal of the corrected average use duration as the wear rate.
10. The method of claim 9, wherein the correcting the average in-use time length according to the preset correction parameter, to obtain the corrected average in-use time length, includes:
according to the inclusion (lambda x T) ave ) Determining a corrected average age; wherein lambda is the preset correction parameter T ave And the average use time length is the average use time length.
11. A print nozzle in-use length detection apparatus, the apparatus comprising:
the first acquisition module is used for acquiring the wear rate of the printing nozzle in the current printing process and the time length required by the current printing; the wear rate of the printing nozzle is the wear rate of the printing consumable used in the current printing process to the printing nozzle used in the current printing; the first acquisition module is specifically used for responding to input operation of a user and acquiring the type of a printing nozzle used in the printing process and the type of printing consumables; determining the wear rate of the printing nozzle according to the type of the printing nozzle, the type of the printing consumable and a preset corresponding relation; the preset corresponding relation comprises the corresponding relation among different printing nozzle types, different printing consumable types and different wear rates; under the condition that the wear rates of the printing nozzles input in a plurality of different modes are received, determining the wear rates of the printing nozzles according to priorities corresponding to the different modes; determining the required length for the current printing comprises: determining the time length required by the printing through related parameters of a model to be printed, wherein the related parameters comprise the number of printing layers of the model to be printed, the printing path length of each layer and the printing speed;
The second acquisition module is used for acquiring the historical accumulated use time of the printing nozzle; the historical accumulated use time length of the printing nozzle is the accumulated use time length of the printing nozzle generated by using different types of printing consumables to the printing nozzle in the historical printing process;
the first determining module is used for determining the current accumulated use time length of the printing nozzle according to the wear rate of the printing nozzle, the length required by the current printing and the historical accumulated use time length; the first determining module is specifically configured to use a sum of a product of the wear rate of the printing nozzle and the length required by the current printing and the historical accumulated use time length as the current accumulated use time length;
the second determining module is used for determining whether the printing nozzle needs to be replaced according to the current accumulated using time length and a preset using time length threshold value of the printing nozzle;
a fourth obtaining module, configured to obtain a plurality of printing nozzles of the same type, where the printing nozzles correspond to a plurality of usage periods under the same type of printing consumables;
a third determining module, configured to determine a wear rate of the printing nozzle under the printing consumable according to the plurality of usage periods; the method is particularly used for: according to the inclusion Determining a wear rate of the print nozzle under the printing consumable; wherein n is the number of times of useLong number of said a i For the ith use duration;
the establishing module is used for establishing the corresponding relation among the type of the printing nozzle, the type of the printing consumable and the wear rate.
12. A printer comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any one of claims 1 to 10 when the computer program is executed.
13. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 10.
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| CN115674687B (en) * | 2022-10-25 | 2024-05-31 | 上海复志信息科技股份有限公司 | Method and device for detecting service life of release film and photocuring 3D printing equipment |
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