CN116804611B - Automatic evaluation method and system for detection equipment - Google Patents
Automatic evaluation method and system for detection equipment Download PDFInfo
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- CN116804611B CN116804611B CN202311054814.9A CN202311054814A CN116804611B CN 116804611 B CN116804611 B CN 116804611B CN 202311054814 A CN202311054814 A CN 202311054814A CN 116804611 B CN116804611 B CN 116804611B
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- 238000001514 detection method Methods 0.000 title claims abstract description 354
- 238000011156 evaluation Methods 0.000 title claims abstract description 198
- 238000000576 coating method Methods 0.000 claims abstract description 540
- 239000011248 coating agent Substances 0.000 claims abstract description 532
- 239000000758 substrate Substances 0.000 claims abstract description 90
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 43
- 238000005192 partition Methods 0.000 claims description 25
- 238000004364 calculation method Methods 0.000 claims description 17
- 238000007581 slurry coating method Methods 0.000 claims description 15
- 230000005856 abnormality Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 239000006255 coating slurry Substances 0.000 claims 1
- 238000005507 spraying Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 14
- 238000003361 measurement systems analysis Methods 0.000 description 13
- 239000002002 slurry Substances 0.000 description 11
- 238000005259 measurement Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000011888 foil Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 238000007619 statistical method Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000011511 automated evaluation Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
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- General Health & Medical Sciences (AREA)
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Abstract
The application discloses an automatic evaluation method and an automatic evaluation system of detection equipment, which relate to the technical field of evaluation of the detection equipment, wherein the automatic evaluation method comprises the following steps: detecting the coated substrate which is walked to a preset detection position by using detection equipment under the condition that a coating stop signal of coating equipment is detected, so as to obtain coating detection data; and carrying out performance evaluation on the detection equipment based on the coating detection data to obtain an evaluation result. According to the embodiment of the application, the automatic evaluation can be performed based on the coating stop signal of the coating equipment, so that the spraying of the coating equipment to the base material is not affected, the total coating time of the coating system is not increased, and the degree of automation of the evaluation of the detection equipment is greatly improved.
Description
Technical Field
The application relates to the technical field of evaluation of detection equipment, in particular to an automatic evaluation method and system of detection equipment.
Background
A measurement system is a collection of instruments or test equipment, standards, operations, methods, fixtures, software, personnel, environments, and assumptions used to quantitatively measure or qualitatively evaluate a property being measured. The gist of the analysis (Measurement Systems Analysis, MSA) of the measuring system is that by means of statistical analysis, statistical variations and studies of the individual influencing factors constituting the measuring system are carried out in order to reach a conclusion as to whether the measuring system is accurate and reliable. MSA is used in various fields, such as coating data analysis of battery production processes, to evaluate the performance of an areal density detection device by performing measurement analysis on slurry coated areal density values of battery pole pieces obtained by the areal density detection device.
In the analysis of coating data in the battery production process, the related technology is mostly manually evaluated, the degree of automation is not high, and the measurement stability of the detection equipment is manually participated, so that the evaluation result is affected due to the existence of artificial subjective factors.
The statements are to be understood as merely provide background information related to the present application and may not necessarily constitute prior art.
Disclosure of Invention
In view of the foregoing, an object of the present application is to provide an automatic evaluation method and system for a detection apparatus, which can automatically perform evaluation without human intervention when a coating stop signal of a coating apparatus is detected, and has a high degree of automation.
Based on the above object, in a first aspect, an embodiment of the present application provides an automatic evaluation method of a detection device, including: detecting the coated substrate which is walked to a preset detection position by using detection equipment under the condition that a coating stop signal of coating equipment is detected, so as to obtain coating detection data; and carrying out performance evaluation on the detection equipment based on the coating detection data to obtain an evaluation result.
According to the technical scheme of the first aspect, the coating signal of the coating equipment is detected, the automatic evaluation can be performed based on the coating stop signal of the coating equipment, the spraying of the coating equipment to the base material is not affected, the total coating time of the coating system is not increased, the detection equipment can be evaluated in real time according to the coating state of the coating equipment, and the degree of automation of the evaluation of the detection equipment is greatly improved.
In some embodiments, in the event that a coating stop signal of the coating apparatus is detected, the method further comprises: and controlling the coated substrate to continue to be transported, wherein the transport direction is the horizontal direction from the position of the coating equipment to the position of the detection equipment, and the transport distance is a preset distance.
After the coating equipment stops coating, the undetected coating on the substrate can be transmitted to a preset detection position, so that the data size of coating detection data can be increased, and the evaluation accuracy is improved.
In some embodiments, the coating detection data includes a total length of the coating on the substrate in a horizontal direction from a position of the coating apparatus to a position of the detection apparatus, and performing performance evaluation on the detection apparatus based on the coating detection data to obtain an evaluation result includes: and determining to execute the step of evaluating the performance of the detection equipment based on the coating detection data to obtain an evaluation result according to the fact that the total length of the coating in the direction from the position of the coating equipment to the position of the detection equipment is greater than or equal to a target length and the coating is continuous.
The integrity of the coating detection data can be improved, and the evaluation accuracy of the detection equipment can be improved.
In some embodiments, the coating detection data further includes coating quality data corresponding to each partition on the coated substrate, the method further comprising: and detecting the continuity of the coating according to the coating quality data corresponding to all the subareas contained in the total length of the coating in the direction from the position of the coating equipment to the position of the detection equipment.
Whether the coating is continuous or not can be judged according to the coating quality data corresponding to each partition of the coated substrate so as to improve the integrity of the evaluation data.
In some embodiments, detecting the continuity of the coating according to coating quality data corresponding to all partitions contained in the total length of the coating in a direction from a position of the coating device to a position of the detection device comprises: and determining that the coating is continuous under the condition that the deviation values of the coating quality data corresponding to all the partitions and the coating reference value are within a preset range.
The coating continuity may be determined based on the deviation value of the coating quality data corresponding to each zone of the coated substrate from the coating reference value to improve the integrity of the evaluation data.
In some embodiments, detecting the continuity of the coating according to coating quality data corresponding to all partitions contained in the total length of the coating in a direction from a position of the coating device to a position of the detection device comprises: and determining that the coating is discontinuous under the condition that the deviation value of the coating quality data corresponding to any partition and the coating reference value exceeds a preset range.
The coating discontinuity can be judged according to the deviation value of the coating quality data corresponding to each partition of the substrate with the coating and the coating reference value, so that the coating detection data which cannot be used as the evaluation data can be deleted, and the integrity of the evaluation data can be improved.
In some embodiments, the method further comprises: executing a step of evaluating the performance of the detection equipment under the condition that the detection time of the detection equipment on the coated substrate reaches a preset time; and receiving a coating start signal when the detection time of the detection equipment on the coated substrate does not reach the preset time, and stopping performing the performance evaluation on the detection equipment.
Judging whether the detection equipment enters an ideal state or not by detecting the detection time length of the detection equipment, when the detection equipment enters the ideal state, executing the step of evaluating the performance of the detection equipment, and when the detection equipment does not enter the ideal state, stopping executing the step of evaluating the performance of the detection equipment, so that the evaluation result is more accurate.
In some embodiments, the method further comprises: determining that a coating stop signal of the coating apparatus is detected based on a transition of a coating motor in the coating apparatus from a rotational state to a non-rotational state.
The state of the coating motor in the coating equipment is detected to determine the coating stop signal of the coating equipment, so that the performance evaluation of the detection equipment can be conveniently carried out when the coating of the coating equipment is stopped, the automatic identification of the slurry coating process can be realized, the coating operation of the coating equipment is not influenced, and the detection equipment can be evaluated in real time according to the slurry coating process of the coating equipment.
In some embodiments, the method further comprises: and determining that a coating stop signal of the coating device is detected based on the coating valve in the coating device transitioning from an open state to a closed state.
The coating stop signal of the coating equipment is determined by detecting the opening and closing state of the coating valve in the coating equipment, so that the performance evaluation of the detection equipment can be conveniently carried out when the coating of the coating equipment is stopped, the automatic identification of the slurry coating process can be realized, the coating operation of the coating equipment is not influenced, and the detection equipment can be evaluated in real time according to the slurry coating process of the coating equipment.
In some embodiments, the performing performance evaluation on the detection device based on the coating detection data to obtain an evaluation result includes: screening the coating detection data to obtain data to be evaluated; obtaining an evaluation calculation value according to the data to be evaluated, and obtaining an evaluation result of unqualified detection equipment under the condition that the evaluation calculation value is larger than a preset evaluation standard value; obtaining an evaluation result of qualified detection equipment under the condition that the evaluation calculated value is smaller than or equal to the evaluation standard value; and storing the data to be evaluated and the evaluation result.
The coating detection data are screened to obtain the data to be evaluated, so that the data precision and the evaluation accuracy can be improved, the evaluation accuracy can be further improved through the comparison of the evaluation calculated value and the preset evaluation standard value, and the data can be conveniently traced in the maintenance process of the detection equipment.
In some embodiments, the method further comprises: based on the parameter information of the coating equipment and the coating detection data, carrying out anomaly detection on the coating equipment to obtain an anomaly detection result; and outputting alarm information according to the abnormality detection result.
The abnormal detection of the coating equipment can be realized, so that the coating detection data obtained according to the coating equipment is more accurate, the effective foolproof of the coating equipment can be realized, and the occurrence of batch accidents is avoided.
In a second aspect, there is also provided an automatic evaluation system of a detection device, the system comprising: the coating device comprises a controller, a detection device, a coating device and a transmission assembly; the transmission assembly is used for driving the base material to advance; the coating equipment is used for carrying out slurry coating on the substrate to obtain a coated substrate; the controller is used for detecting the operation signal of the coating equipment, detecting the coated substrate which is carried to a preset detection position by controlling the detection equipment under the condition that the coating stop signal of the coating equipment is detected, obtaining coating detection data, and carrying out performance evaluation on the detection equipment based on the coating detection data to obtain an evaluation result.
According to the technical scheme, under the condition that the coating stop signal of the coating equipment is detected, the coated substrate which is walked to the preset detection position can be detected, coating detection data are obtained, and performance evaluation is performed on the detection equipment based on the coating detection data, so that the evaluation flow of the detection equipment can be automatically triggered according to the running state of the coating equipment, and the automation degree of evaluation can be greatly improved. By the method, the detected object can be directly detected, standard components do not need to be artificially added, manpower and material resources can be reduced, evaluation time is saved, and production efficiency is improved. The integrity of the coating detection data can be improved, and the evaluation accuracy is improved.
The foregoing description is only an overview of the embodiments of the present application, and may be implemented in accordance with the content of the specification in order to make the technical means of the embodiments of the present application more clearly understood, and in order to make the above-mentioned and other objects, features and advantages of the embodiments of the present application more comprehensible, the following detailed description of the present application.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the embodiments. The drawings are only for purposes of illustrating embodiments of the present application and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the accompanying drawings.
FIG. 1 illustrates a flow diagram of steps of a method of automatic assessment of a detection device in accordance with one or more embodiments;
FIG. 2 illustrates a schematic diagram of a coating system in accordance with one or more embodiments;
FIG. 3 illustrates another structural schematic of a coating system in accordance with one or more embodiments;
fig. 4 illustrates a schematic diagram of an automated evaluation system of a detection device in accordance with one or more embodiments.
Detailed Description
Embodiments of the technical solutions of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical solutions of the present application, and thus are only examples, and are not intended to limit the scope of protection of the present application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.
In the description of the embodiments of the present application, the technical terms "first," "second," etc. are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, which means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
Coating is to apply a thin layer of coating material in liquid or powder form to the surface of an object such as a fabric, paper, foil or board.
A coating measurement system is a collection of instruments or test equipment, standards, operations, methods, fixtures, software, personnel, environments, and assumptions used to quantitatively measure or qualitatively evaluate a property being measured. The gist of the analysis (Measurement Systems Analysis, MSA) of the measuring system is that by means of statistical analysis, statistical variations and studies of the individual influencing factors constituting the measuring system are carried out in order to reach a conclusion as to whether the measuring system is accurate and reliable. For example, the detection device can be evaluated according to coating data such as coating weight, surface density and the like, and whether the coating measurement system is accurate and reliable can be judged from the angle of the detection device.
The coating is an indispensable step in the manufacturing process of the battery cell, and in the production process of the battery cell, the positive electrode plate and the negative electrode plate are both manufactured by using a coating process. Illustratively, the positive electrode active material, the conductive agent, the binder, and the solvent are mixed and made into a paste-like viscous slurry, and then the paste-like viscous slurry is uniformly, continuously, or intermittently coated on a substrate (e.g., aluminum foil) to make a positive electrode sheet. When the battery is coated, the thickness consistency and the coating thickness of each coating position are controlled within the tolerance range required by the process to directly influence the safety, capacity, service life and other performances of the battery monomer, so that the battery coating quality is required to be detected, and the stability of detection equipment in the process of producing and coating the battery monomer influences the detection accuracy of the battery coating quality.
In the related art, a worker manually increases a standard component for evaluation, and judges the stability of the detection equipment according to the difference between the data measured by the detection equipment and the standard component, so that the method not only can increase the operation flow, prolong the evaluation time and influence the production efficiency, but also can manually operate to have a subjective factor so as to influence the evaluation result.
Based on the above considerations, in order to solve the problem that the degree of automation evaluation of the coating measurement system is not high, the embodiment of the application provides an automatic evaluation method of a detection device, by detecting the running state of the coating device, under the condition that the coating stop signal of the coating device is detected, the coated substrate moving to the preset detection position is detected, the coating detection data are obtained, and the performance of the detection device is evaluated based on the coating detection data, so that the evaluation flow of the detection device can be automatically triggered according to the running state of the coating device, and the degree of automation of the evaluation can be greatly improved.
By the method, the detected object can be directly detected, standard components do not need to be artificially added, manpower and material resources can be reduced, evaluation time is saved, and production efficiency is improved.
The automatic evaluation method of the detection device of the embodiment of the application can be applied to an application scene of evaluating the coating detection device of the slurry coating operation procedure, but is not limited to the application scene. For example, in the production process of batteries such as lithium ion batteries, in the process of performing slurry coating operation to produce pole pieces for manufacturing batteries, the pole pieces are detected by using qualified detection equipment by evaluating the stability of the detection equipment, so as to improve the detection precision of the detection equipment on the quality of the pole pieces.
For convenience of explanation, the following embodiment will take, as an example, an apparatus for detecting a pole piece of a battery in a production process of the battery using the detection apparatus according to an embodiment of the present application.
Referring to fig. 1, fig. 1 is a step flowchart of an automatic evaluation method of a detection device according to an embodiment of the present application, where the method may include steps S101 to S102 as follows:
and S101, under the condition that a coating stop signal of the coating equipment is detected, detecting the coated substrate which is fed to a preset detection position by the detection equipment, and obtaining coating detection data.
In some embodiments of the present application, the coating apparatus may be a coater for coating a slurry onto a moving substrate, which may be a roll coater, an air knife coater, a slot coater, or the like.
In some embodiments of the present application, the coating stop signal includes one or more signals that characterize the stopping of the coating apparatus.
In some embodiments of the present application, the detection device may be a device that detects the areal density of the coating, may be a device that detects the weight of the coating, or may be a device that detects the thickness of the coating.
In some embodiments of the present application, the coating detection data includes, but is not limited to, the areal density of the coating, the coating weight, or the coating thickness.
In some embodiments of the present application, the preset detection bit may be a mapped position of the detection device on the substrate.
Fig. 2 is a schematic structural diagram of a coating system according to an embodiment of the present application, as shown in fig. 2, the coating system includes a coating apparatus 01, an oven 02 and a detecting apparatus 03, the coating apparatus 01 is disposed at one end of a substrate, the detecting apparatus 01 is disposed at the other end of the substrate, the oven 02 is disposed between the coating apparatus 01 and the detecting apparatus 03, and the substrate passes through the interior of the oven 02. The coating equipment 01 coats the slurry on the substrate to form a coating, and along with the transmission of the substrate, the coating enters the oven 02, the oven 02 dries the coating, and the dried coating is detected by the detection equipment 03.
Based on the coating system of fig. 2, it can be known that, in the case of detecting the coating stop signal of the coating apparatus 01, the embodiment of the present application detects the coated substrate moving to the preset detection position by the detection apparatus 03 to obtain the coating detection data, and compared with the related art in which the detection apparatus is evaluated by reserving a specific evaluation time, in which the coating process on the production line is stopped, the embodiment of the present application can automatically evaluate based on the coating stop signal of the coating apparatus, without affecting the coating of the coating apparatus on the substrate, or increasing the total coating time of the coating system, and can evaluate the detection apparatus in real time according to the slurry coating process of the coating apparatus.
S102, performing performance evaluation on the detection equipment based on the coating detection data to obtain an evaluation result.
In some embodiments of the present application, the coating detection data may be used as basic data of the evaluation, and the performance of the detection device 03 is evaluated according to the basic data and the MSA evaluation standard, so as to obtain an evaluation result.
In some examples, the MSA evaluation criteria include calculating a bias, linearity, stability, repeatability, and reproducibility of the detection device from the coating detection data, wherein the bias is calculated from a deviation between an average of the coating detection data and a baseline value. Linearity can be calculated from bias errors. Stability can be derived from the variation of the detected data obtained when measuring a single property of the same coating over a certain duration. Repeatability can be calculated from multiple coating detection data for the same coating. Reproducibility can be calculated from coating detection data for different coatings. In some examples, the MSA evaluation criterion is a criterion for evaluating the stability of the detection device according to a specific detection rule based on the detected data, and may be implemented by the computing device executing a set evaluation program, which is not described herein.
According to the automatic evaluation method for the detection equipment, the coating signal of the coating equipment 01 is detected, the automatic evaluation can be performed based on the coating stop signal of the coating equipment 01, the spraying of the coating equipment to the base material is not affected, the total coating time of the coating system is not increased, the detection equipment can be evaluated in real time according to the coating state of the coating equipment, and the degree of automation for evaluating the detection equipment is greatly improved.
According to some embodiments of the present application, in the case where the coating stop signal of the coating apparatus is detected, the automatic evaluation method of the detection apparatus further includes: and (3) controlling the coated substrate to continue to be transported, wherein the transport direction is the horizontal direction from the position of the coating equipment to the position of the detection equipment, and the transport distance is a preset distance.
The horizontal direction from the position of the coating device to the position of the detecting device may be the first direction as shown in fig. 3, and may also represent the tape running direction of the substrate.
Referring to fig. 3, fig. 3 is another schematic structural diagram of a coating system provided in an embodiment of the present application, referring to fig. 2 and fig. 3, in a coating process of a coating apparatus, the coating apparatus sprays slurry onto a place corresponding to a coating position on a substrate, and as the substrate is driven in a horizontal direction from the position of the coating apparatus to the position of a detecting apparatus, i.e., a tape running in a first direction, the coated substrate is transported in the first direction, and then the coated substrate passes through an oven to reach the position of the detecting apparatus. When the coating device stops coating, the detection device starts to detect the coated substrate which is walked to the preset detection position, but the coating between the coating device and the detection device is not transmitted to the detection device, at the moment, the coating between the coating device and the detection device can be transmitted to the detection device by controlling the coated substrate to continuously transmit the preset distance in the first direction, so as to obtain the coating detection data for evaluation.
In some examples, the coating obtained by coating the substrate by the coating device may be intermittent, for example, when manufacturing the battery pole pieces, the substrate is coated periodically to obtain a plurality of pole pieces, and pole piece intervals are arranged between each pole piece, so in order to make the coating detected by the detecting device be a complete coating, and in order to make the obtained coating detection data have a sufficient data amount, the embodiment of the application controls the coated substrate to continue to transmit a preset distance in a horizontal direction from the position of the coating device to the position of the detecting device in the case that the coating stop signal of the coating device is detected, so that the coating walked to the preset detection position contains one or more complete coatings.
In some embodiments of the present application, the preset distance may be a distance set according to a continuous length of the coating in the first direction, or may be a distance set according to a length of the oven in the first direction.
According to the automatic evaluation method of the detection equipment, after the coating equipment stops coating, the undetected coating on the substrate can be transmitted to the preset detection position, the data size of the coating detection data can be increased, and the evaluation accuracy is improved.
According to some embodiments of the present application, the coating detection data includes a total length of a coating on a substrate in a first direction, and in the automatic evaluation method of the detection device, performing performance evaluation on the detection device based on the coating detection data to obtain an evaluation result includes: and determining to execute the step of evaluating the performance of the detection equipment based on the coating detection data to obtain an evaluation result according to the fact that the total length of the coating in the horizontal direction from the position of the coating equipment to the position of the detection equipment is greater than or equal to the target length and the coating is continuous.
In some examples, the coating used for evaluation may be incomplete, and the lack of the coating may affect the accuracy of the evaluation, in examples of the present application, the coating detection data includes the total length of the coating on the substrate in the first direction, where the total length of the coating in the first direction is greater than or equal to the target length, and indicates that the coating is complete if the coating is continuous and the coating is present on the substrate. The target length may be set according to a coating process specification, for example, when the coating is a pole piece, the target length may be the total length of one pole piece in a horizontal direction from the position of the coating device to the position of the detecting device, so that the coating detection data may include detection data of one complete pole piece, and further, a step of performing performance evaluation on the detecting device to obtain an evaluation result may be performed, which may improve evaluation accuracy.
The automatic evaluation method of the detection equipment can improve the integrity of the coating detection data and the evaluation precision of the detection equipment.
According to some embodiments of the present application, the coated substrate is divided into a plurality of zones, the coating detection data includes coating quality data corresponding to each zone, and the automatic evaluation method of the detection apparatus further includes: the continuity of the coating is detected according to the coating quality data corresponding to all the subareas contained in the total length of the coating in the direction from the position of the coating equipment to the position of the detection equipment.
The above-mentioned subareas may be areas coated in a predetermined time, or may be subareas with a preset length in the first direction, where the specific subareas may be customized according to actual needs to adjust the detection accuracy.
According to the automatic evaluation method of the detection equipment, which is provided by the embodiment of the application, the coating quality data of each partition are accurate, and the continuity of the coating is detected by using the coating quality data, so that the detection precision can be improved.
According to some embodiments of the present application, detecting the continuity of the coating according to the coating quality data corresponding to all the partitions contained in the total length of the coating in the direction from the position of the coating device to the position of the detection device, includes: and determining that the coating is continuous under the condition that the deviation values of the coating quality data corresponding to all the partitions and the coating reference value are within a preset range.
In some examples, the coated substrate may be divided into a plurality of uniform regions in the first direction by a predetermined width, the coating quality data may be a coating areal density value for each zone, the coating reference value may be a standard value for the areal density value, for example, a coated substrate is divided into 10 zones, and the coating continuity is determined in the case where the coating areal density values for the 10 zones and the coating reference value are within a predetermined range.
According to the automatic evaluation method of the detection equipment, which is provided by the embodiment of the application, the continuity of the coating can be judged according to the deviation value of the coating quality data corresponding to each partition of the substrate with the coating and the coating reference value, so that the integrity of evaluation data is improved.
According to some embodiments of the present application, detecting the continuity of the coating according to the coating quality data corresponding to all the partitions contained in the total length of the coating in the direction from the position of the coating device to the position of the detection device, includes: and determining that the coating is discontinuous under the condition that the deviation value of the coating quality data corresponding to any partition and the coating reference value exceeds a preset range.
Continuing the above example, in the case where the deviation value of the coating area density value corresponding to any of the 10 partitions from the coating reference value exceeds the preset range, it is determined that the coating is discontinuous, which means that the detected substrate is not coated, or the coating area density value is too small to be used as evaluation data.
According to the automatic evaluation method of the detection equipment, which is provided by the embodiment of the application, the coating discontinuity can be judged according to the deviation value of the coating quality data corresponding to each partition of the substrate with the coating and the coating reference value, so that the coating detection data which cannot be used as the evaluation data can be deleted, and the integrity of the evaluation data can be improved.
According to some embodiments of the present application, the automatic evaluation method of a detection device further includes: and executing the step of evaluating the performance of the detection device when the detection device detects that the detection time of the coated substrate reaches the preset time, and stopping executing the step of evaluating the performance of the detection device when the coating start signal is received when the detection device detects that the detection time of the coated substrate does not reach the preset time.
In some examples, the preset duration may be determined based on device parameters and actual experience of the detection device, e.g., 5 minutes after the detection device performs coating detection for 5 minutes, and the preset duration may be 5 minutes.
According to the automatic evaluation method for the detection equipment, whether the detection equipment enters an ideal state is judged by detecting the detection time length of the detection equipment, when the detection equipment enters the ideal state, the performance evaluation step of the detection equipment is executed, and when the detection equipment does not enter the ideal state, the performance evaluation step of the detection equipment is stopped, so that the evaluation result is more accurate.
According to some embodiments of the present application, the automatic evaluation method of a detection device further includes: the detection of the coating stop signal of the coating apparatus is determined based on the coating motor in the coating apparatus transitioning from the rotational state to the non-rotational state.
In some examples, the coating motor in the coating apparatus may power a coating operation of the coating apparatus, and when the coating motor rotates, it indicates that the coating apparatus is performing slurry coating, and when the coating motor is shifted from a rotating state to a non-rotating state, it indicates that the coating apparatus stops coating, and at this time, it determines that a coating stop signal of the coating apparatus is detected.
According to the automatic evaluation method of the detection equipment, the state of the coating motor in the coating equipment is detected to determine the coating stop signal of the coating equipment, so that the performance evaluation of the detection equipment can be conveniently performed when the coating of the coating equipment is stopped, the automatic identification of the coating process of the slurry can be realized, the coating operation of the coating equipment is not influenced, and the detection equipment can be evaluated in real time according to the coating process of the slurry of the coating equipment.
According to some embodiments of the present application, the automatic evaluation method of a detection device further includes: the detection of the coating stop signal of the coating apparatus is determined based on the coating valve in the coating apparatus transitioning from the open state to the closed state.
In some examples, the coating valve in the coating apparatus may provide slurry to the slurry coating process, when the coating valve is closed, indicating that no slurry is coated on the substrate at this time, when the coating valve is open, indicating that the coating of slurry may be in preparation for or ongoing at this time, and when the coating valve is transitioned from the open state to the closed state, the detection of the coating stop signal of the coating apparatus may be determined.
According to the automatic evaluation method for the detection equipment, the coating stop signal of the coating equipment is determined by detecting the opening and closing state of the coating valve in the coating equipment, so that the performance evaluation of the detection equipment can be conveniently performed when the coating of the coating equipment is stopped, the automatic identification of the slurry coating process can be realized, the coating operation of the coating equipment is not influenced, and the detection equipment can be evaluated in real time according to the slurry coating process of the coating equipment.
According to some embodiments of the present application, performing performance evaluation on the detection device based on the coating detection data to obtain an evaluation result includes: screening the coating detection data to obtain data to be evaluated, obtaining an evaluation calculation value according to the data to be evaluated, obtaining an unqualified evaluation result of the detection equipment under the condition that the evaluation calculation value is larger than a preset evaluation standard value, obtaining a qualified evaluation result of the detection equipment under the condition that the evaluation calculation value is smaller than or equal to the evaluation standard value, and storing the data to be evaluated and the evaluation result.
In one example, the coating detection data is, for example, based on multiple detections of a certain coating, a detection table with multiple rows and multiple columns is obtained, the rows in the detection table represent the detection times, and the columns represent multiple detection values detected at one time, and each row is arranged according to the time sequence of the detection times.
The data to be evaluated refers to data used for automatically evaluating the detection equipment, the coating detection data are screened to obtain the data to be evaluated, the coating detection data can be screened through an MSA (minimum likelihood) taking rule, the MSA taking rule needs to meet the minimum tenth principle, the above example is continued, 10 random columns of the last three rows in the detection table can be taken, on one hand, the coating detection data can be evaluated according to the latest coating detection data, on the other hand, the evaluation data amount can be met, and the evaluation accuracy is improved.
In one example, the evaluation calculation may be automatically calculated according to the MSA metering system, and the data to be evaluated is taken as an input of the MSA metering system, where the MSA metering system automatically obtains the evaluation calculation, and the evaluation calculation may be a measurement capability index P/T, where P/T represents a ratio of Precision (Precision) to Tolerance (Tolerance) of the detection device.
In one example, the evaluation criterion value of P/T may be 10%, when P/T >10%, an evaluation result of the failure of the inspection apparatus is obtained, and when P/T is less than or equal to 10%, an evaluation result of the failure of the inspection apparatus is obtained. And under the condition that the obtained evaluation result indicates that the detection equipment is unqualified, an alarm can be sent out to remind workers.
In one example, the data to be evaluated and the evaluation result are stored, so that the data can be conveniently traced in the maintenance process of the detection equipment.
According to the automatic evaluation method for the detection equipment, the coating detection data are screened to obtain the data to be evaluated, so that the data precision can be improved, the evaluation accuracy can be further improved through comparison of the evaluation calculated value and the preset evaluation standard value, and the data can be conveniently traced in the maintenance process of the detection equipment.
According to some embodiments of the present application, the automatic evaluation method of a detection device further includes: and carrying out anomaly detection on the coating equipment based on the parameter information and the coating detection data of the coating equipment to obtain an anomaly detection result, and outputting alarm information according to the anomaly detection result.
In one example, the parameter information of the coating apparatus includes a state in which a coating motor in the coating apparatus is in rotation, a state in which the coating motor is not in rotation, a state in which a coating valve is in an open state, and a state in which the coating valve is in a closed state. The coating apparatus is subjected to abnormality detection, for example, when it is detected that the coating motor is frequently switched between the rotating state and the non-rotating state, an abnormality detection result of the coating apparatus abnormality is obtained. For example, when it is detected that the coating motor is in a rotating state and the coating valve is in an open state, but the coating detection data indicates that there is no coating on the substrate, an abnormality detection result of abnormality of the coating apparatus is obtained. Specifically, the judging conditions for abnormality detection may be set manually according to practical experience, and will not be described in detail herein.
According to the automatic evaluation method of the detection equipment, the alarm information is output according to the abnormal detection result, so that on one hand, the abnormal detection of the coating equipment can be realized, the coating detection data obtained according to the coating equipment are more accurate, and on the other hand, the effective foolproof of the coating equipment can be realized, and batch accidents are avoided.
The foregoing description of various embodiments is intended to highlight differences between the various embodiments, which may be the same or similar to each other by reference, and is not repeated herein for the sake of brevity.
In a specific example, an automatic evaluation method of a detection device is provided, which may include:
the detection of the coating stop signal of the coating apparatus is determined according to the transition of the coating motor in the coating apparatus from the rotating state to the non-rotating state, and the detection of the coating stop signal of the coating apparatus may be determined according to the transition of the coating valve in the coating apparatus from the open state to the closed state. Under the condition that the coating stop signal of the coating equipment is detected, the coating equipment is determined to stop slurry coating operation, and the evaluation of the detection equipment is automatically carried out, so that the spraying of the coating equipment to the substrate is not affected, the total coating time of the coating system is not increased, the detection equipment can be evaluated in real time according to the coating state of the coating equipment, and the automation degree of the evaluation of the detection equipment is greatly improved.
The coated substrate which is moved to the preset detection position is detected by the detection equipment to obtain coating detection data, and the coating between the coating equipment and the detection equipment can be transmitted to the detection equipment by controlling the coated substrate to continuously transmit the preset distance in the first direction in the process of obtaining the coating detection data so as to obtain the coating detection data for evaluation.
By detecting coating quality data corresponding to each partition of the substrate with the coating, determining that the coating is continuous under the condition that deviation values of the coating quality data corresponding to all the partitions and the coating reference value are within a preset range; and determining that the coating is discontinuous under the condition that the deviation value of the coating quality data corresponding to any partition and the coating reference value exceeds a preset range. Thus, whether the coating is continuous or not can be judged according to the coating quality data corresponding to each partition of the substrate with the coating so as to improve the integrity of the evaluation data.
By calculating the total length of the coating in the first direction, and under the condition that the total length of the coating in the first direction is greater than or equal to the target length and the coating is continuous, performing the step of evaluating the performance of the detection equipment to obtain an evaluation result can improve the integrity of the detection data of the coating and improve the evaluation precision.
The detection equipment detects the detection time length of the coated substrate so as to judge whether the detection equipment enters an ideal state, the performance evaluation of the detection equipment is executed under the condition that the detection time length of the detection equipment on the coated substrate reaches the preset time length, the coating start signal is received under the condition that the detection time length of the detection equipment on the coated substrate does not reach the preset time length, and the performance evaluation of the detection equipment is stopped, so that the evaluation result is more accurate.
The coating detection data are screened to obtain data to be evaluated, an evaluation calculation value is obtained according to the data to be evaluated, an unqualified evaluation result of the detection equipment is obtained under the condition that the evaluation calculation value is larger than a preset evaluation standard value, an qualified evaluation result of the detection equipment is obtained under the condition that the evaluation calculation value is smaller than or equal to the evaluation standard value, and the data to be evaluated and the evaluation result are stored. The evaluation calculation value can be a measurement capability index P/T, when the P/T is more than 10%, an evaluation result of unqualified detection equipment is obtained, and when the P/T is less than or equal to 10%, an evaluation result of qualified detection equipment is obtained.
According to the automatic evaluation method of the detection equipment, under the condition that the coating stop signal of the coating equipment is detected, the coated substrate which is carried to the preset detection position is detected, coating detection data are obtained, and performance evaluation is carried out on the detection equipment based on the coating detection data, so that the evaluation flow of the detection equipment can be automatically triggered according to the running state of the coating equipment, and the automation degree of evaluation can be greatly improved. By the method, the detected object can be directly detected, standard components do not need to be artificially added, manpower and material resources can be reduced, evaluation time is saved, and production efficiency is improved. The integrity of the coating detection data can be improved, and the evaluation accuracy is improved.
The foregoing description of various embodiments is intended to highlight differences between the various embodiments, which may be the same or similar to each other by reference, and is not repeated herein for the sake of brevity.
According to some embodiments of the present application, there is provided an automatic evaluation system of a detection device, fig. 4 is a schematic structural diagram of the automatic evaluation system of a detection device provided in one embodiment of the present application, and referring to fig. 4, the automatic evaluation system 20 of a detection device includes: the coating device comprises a controller 21, a detection device 03, a coating device 01 and a transmission assembly 04, wherein the transmission assembly 04 is used for driving a substrate to advance, the coating device 01 is used for performing slurry coating on the substrate to obtain a coated substrate, the controller 21 is used for detecting an operation signal of the coating device 01 and detecting the coated substrate which is moved to a preset detection position by controlling the detection device 03 under the condition that a coating stop signal of the coating device 01 is detected, coating detection data are obtained, and based on the coating detection data, performance evaluation is performed on the detection device to obtain an evaluation result.
In one example, the controller 21 is electrically connected to the detecting device 03, the coating device 01, and the transmission assembly 04, and the controller 21 may control the detecting device 03 to detect the coated substrate that is carried to a preset detecting position, and acquire coating detection data detected by the detecting device 03.
The controller 21 may control the driving assembly 04 to operate to drive the substrate to advance, and the driving assembly 04 may include a driving roller and a driving motor, where the driving motor drives the substrate to move on the driving roller.
The controller 21 may detect an operation signal of the coating apparatus, which may include, but is not limited to, a coating stop signal, a coating start signal, a coating abnormality signal, and the like of the coating apparatus.
In one example, the controller 21 also controls the coated substrate to continue to be transported a preset distance in the horizontal direction from the position of the coating apparatus to the position of the detecting apparatus in the case where the coating stop signal of the coating apparatus 01 is detected.
In one example, the coating detection data includes a total length of the coating on the substrate in a horizontal direction from a position of the coating apparatus to a position of the detection apparatus, and the controller 21 is further configured to determine to perform the step of performing the performance evaluation on the detection apparatus based on the coating detection data to obtain the evaluation result, based on that the total length of the coating in a direction from the position of the coating apparatus to the position of the detection apparatus is equal to or greater than the target length, and the coating is continuous.
In one example, the coating detection data further comprises coating quality data corresponding to each of the segments on the coated substrate, and the controller 21 is further configured to detect the continuity of the coating based on the coating quality data corresponding to all segments contained in the total length of the coating in the direction from the location of the coating apparatus to the location of the detection apparatus 03.
In one example, the controller 21 is further configured to determine that the coating is continuous if the deviation values of the coating quality data corresponding to all the zones from the coating reference value are within a preset range.
In one example, the controller 21 is further configured to determine that the coating is discontinuous in the presence of any deviation of the coating quality data corresponding to any of the zones from the coating reference value outside a predetermined range.
In one example, the controller 21 is further configured to perform the step of performing the performance evaluation on the detection device when it is detected that the detection duration of the coated substrate by the detection device reaches the preset duration, and to receive the coating start signal when it is detected that the detection duration of the coated substrate does not reach the preset duration, and stop performing the step of performing the performance evaluation on the detection device.
In one example, the controller 21 is further configured to determine that the coating stop signal of the coating apparatus is detected based on the coating motor in the coating apparatus transitioning from the rotational state to the non-rotational state.
In one example, the controller 21 is further configured to determine that the coating stop signal of the coating apparatus is detected based on the coating valve in the coating apparatus transitioning from an open state to a closed state.
In one example, the controller 21 is further configured to screen the coating detection data to obtain data to be evaluated; obtaining an evaluation calculation value according to the data to be evaluated, obtaining an evaluation result of unqualified detection equipment under the condition that the evaluation calculation value is larger than a preset evaluation standard value, obtaining an evaluation result of qualified detection equipment under the condition that the evaluation calculation value is smaller than or equal to the evaluation standard value, and storing the data to be evaluated and the evaluation result.
In one example, the controller 21 is further configured to perform abnormality detection on the coating apparatus based on the parameter information and the coating detection data of the coating apparatus, obtain an abnormality detection result, and output alarm information according to the abnormality detection result.
The controller 21 of the present embodiment may be an integrated circuit chip having signal processing capability. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a controller or instructions in the form of software.
The automatic evaluation system of the detection device of the embodiment can detect the coated substrate moving to the preset detection position under the condition that the coating stop signal of the coating device is detected, obtain coating detection data, and evaluate the performance of the detection device based on the coating detection data, so that the evaluation flow of the detection device can be automatically triggered according to the running state of the coating device, and the automation degree of evaluation can be greatly improved. By the method, the detected object can be directly detected, standard components do not need to be artificially added, manpower and material resources can be reduced, evaluation time is saved, and production efficiency is improved. The integrity of the coating detection data can be improved, and the evaluation accuracy is improved.
The foregoing description of various embodiments is intended to highlight differences between the various embodiments, which may be the same or similar to each other by reference, and is not repeated herein for the sake of brevity.
It should be noted that:
the term "module" is not intended to be limited to a particular physical form. Depending on the particular application, modules may be implemented as hardware, firmware, software, and/or combinations thereof. Furthermore, different modules may share common components or even be implemented by the same components. There may or may not be clear boundaries between different modules.
The algorithms and displays presented herein are not inherently related to any particular computer, virtual machine, or other apparatus. Various general purpose devices may also be used with the examples herein. The required structure for the construction of such devices is apparent from the description above. In addition, the present application is not directed to any particular programming language. It will be appreciated that a variety of programming languages may be used to implement the teachings of the present application as described herein, and the above description of specific languages is provided for disclosure of preferred embodiments of the present application.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited in order and may be performed in other orders, unless explicitly stated herein. Moreover, at least some of the steps in the flowcharts of the figures may include a plurality of sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, the order of their execution not necessarily being sequential, but may be performed in turn or alternately with other steps or at least a portion of the other steps or stages.
The foregoing examples merely represent 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 (7)
1. A method for automatically evaluating a test device, comprising:
under the condition that a coating stop signal of a coating device is detected, controlling a coated substrate to continue to be transmitted, wherein the coating device is used for coating slurry on the substrate to obtain the coated substrate, the transmission direction is a horizontal direction from the position of the coating device to the position of the detection device, the transmission distance is a preset distance, the coated substrate which is carried to a preset detection position is detected by the detection device, coating detection data are obtained, and the coating detection data comprise the total length of a coating on the substrate in the horizontal direction from the position of the coating device to the position of the detection device;
According to the condition that the total length of the coating in the direction from the position of the coating equipment to the position of the detection equipment is greater than or equal to a target length, the coating is continuous, and based on the coating detection data, performance evaluation is carried out on the detection equipment to obtain an evaluation result;
wherein the coating detection data further includes coating quality data corresponding to each partition on the coated substrate, the method of detecting the coating continuity comprising:
detecting the continuity of the coating according to the coating quality data corresponding to all the subareas contained in the total length of the coating in the direction from the position of the coating equipment to the position of the detection equipment;
wherein the method further comprises:
executing a step of evaluating the performance of the detection equipment under the condition that the detection time of the detection equipment on the coated substrate reaches a preset time;
and when the condition that the detection duration of the detection equipment on the coated substrate does not reach the preset duration is detected, receiving a coating start signal, and stopping executing the performance evaluation step of the detection equipment.
2. The method according to claim 1, wherein detecting the continuity of the coating based on coating quality data corresponding to all the partitions contained in the total length of the coating in the direction from the position of the coating apparatus to the position of the detecting apparatus comprises:
And determining that the coating is continuous under the condition that the deviation values of the coating quality data corresponding to all the partitions and the coating reference value are within a preset range.
3. The method according to claim 1, wherein detecting the continuity of the coating based on coating quality data corresponding to all the partitions contained in the total length of the coating in the direction from the position of the coating apparatus to the position of the detecting apparatus comprises:
and determining that the coating is discontinuous under the condition that the deviation value of the coating quality data corresponding to any partition and the coating reference value exceeds a preset range.
4. A method according to any one of claims 1-3, wherein the method further comprises:
determining that a coating stop signal of the coating apparatus is detected based on a transition of a coating motor in the coating apparatus from a rotational state to a non-rotational state.
5. A method according to any one of claims 1-3, wherein said evaluating the performance of the detection device based on the coating detection data to obtain an evaluation result comprises:
screening the coating detection data to obtain data to be evaluated;
obtaining an evaluation calculation value according to the data to be evaluated, and obtaining an evaluation result of unqualified detection equipment under the condition that the evaluation calculation value is larger than a preset evaluation standard value; obtaining an evaluation result of qualified detection equipment under the condition that the evaluation calculated value is smaller than or equal to the evaluation standard value;
And storing the data to be evaluated and the evaluation result.
6. A method according to any one of claims 1-3, wherein the method further comprises:
based on the parameter information of the coating equipment and the coating detection data, carrying out anomaly detection on the coating equipment to obtain an anomaly detection result;
and outputting alarm information according to the abnormality detection result.
7. An automatic assessment system for a detection device, the system comprising: the coating device comprises a controller, a detection device, a coating device and a transmission assembly;
the transmission assembly is used for driving the base material to advance;
the coating equipment is used for carrying out slurry coating on the substrate to obtain a coated substrate;
the controller is used for detecting the running signal of the coating equipment, controlling the coated substrate to continue to transmit under the condition that the coating stop signal of the coating equipment is detected, wherein the transmission direction is the horizontal direction from the position of the coating equipment to the position of the detection equipment, the transmission distance is a preset distance, detecting the coated substrate which is walked to the preset detection position by controlling the detection equipment to obtain coating detection data, and the coating detection data comprises the total length of the coating on the substrate in the horizontal direction from the position of the coating equipment to the position of the detection equipment; according to the fact that the total length of the coating in the direction from the position of the coating equipment to the position of the detection equipment is larger than or equal to a target length, the coating is continuous, and based on the coating detection data, performance of the detection equipment is evaluated to obtain an evaluation result; the controller is further used for executing the step of evaluating the performance of the detection equipment when the detection time of the detection equipment on the coated substrate reaches the preset time; when the condition that the detection duration of the detection equipment on the coated substrate does not reach the preset duration is detected, receiving a coating start signal, and stopping executing the performance evaluation step of the detection equipment;
Wherein the coating detection data further includes coating quality data corresponding to each partition on the coated substrate, the method of detecting the coating continuity comprising: and detecting the continuity of the coating according to the coating quality data corresponding to all the subareas contained in the total length of the coating in the direction from the position of the coating equipment to the position of the detection equipment.
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