CN112001459A - Motor stator identification comparison method and system - Google Patents

Motor stator identification comparison method and system Download PDF

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Publication number
CN112001459A
CN112001459A CN202010648861.6A CN202010648861A CN112001459A CN 112001459 A CN112001459 A CN 112001459A CN 202010648861 A CN202010648861 A CN 202010648861A CN 112001459 A CN112001459 A CN 112001459A
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China
Prior art keywords
stator
target
standard
subsystem
main cabinet
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Inventor
章毅
王平
张帅
李维虎
陈果
李晨浩
谢守祥
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Zhixin Technology Co Ltd
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Zhixin Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
    • G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/24—Querying
    • G06F16/245—Query processing
    • G06F16/2455—Query execution
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies

Abstract

The invention discloses a motor stator identification comparison method, which relates to the field of motor stator shrink fit and comprises the steps that an RFID reader-writer on a conveying track reads and writes an RFID electronic tag, and the obtained target stator information to be conveyed is sent to a shrink fit subsystem and a main cabinet PLC; the hot jacket subsystem selects a corresponding target stator according to the target stator information and places the target stator on the AGV; the stator appearance detection subsystem acquires actual size information of a target stator and sends the actual size information to the main cabinet PLC; the shrink fit subsystem sends a stator standard library of the standard stator to the main cabinet PLC; the main cabinet PLC compares the actual size information with a standard stator in a stator standard library, and when the error is smaller than a preset value, the standard stator characteristic parameter with the minimum error is used as target data; comparing the target data with the target stator information, and sending a comparison result to the hot jacket subsystem; the problem of mistaking and misassembling when the stator is subjected to hot-sleeving is avoided, and the automatic identification comparison process also improves the production efficiency.

Description

Motor stator identification comparison method and system
Technical Field
The invention relates to the field of motor stator hot sleeves, in particular to a motor stator identification comparison method and system.
Background
The motor stator hot jacket process is mainly a method for mounting a motor aluminum shell and a stator and achieving the purpose of interference fit by utilizing the principle of expansion with heat and contraction with cold; firstly, the aluminum shell is placed in an oven, when the temperature reaches about 120 ℃, the stator is placed on a clamp, then the heated aluminum shell is pressed downwards from the upper surface of the stator, and the aluminum shell and the stator are assembled after the aluminum shell is cooled, so that the principle of expansion with heat and contraction with cold is mainly utilized.
In the process of implementing the invention, at least the following problems are found in the prior art: at present, various motor stators in the market have various types and large specification difference, the recognized stators are visually recognized according to the motor models by manpower, and then are subjected to heat jacket assembly with the corresponding shell, but the stator models are easily mistakenly taken and assembled, so that the problem of the heat jacket assembly of the stators is caused, and a large amount of work time waste such as repair, wire stopping and the like is caused; in order to save the working hours and improve the productivity of a workshop, an identification comparison technology needs to be provided for grabbing and identifying the motor stator.
Disclosure of Invention
The invention aims to overcome the defects of the background technology, and provides a motor stator identification and comparison method, which avoids the problem of mistaken taking and wrong mounting when a target stator is subjected to a hot-sleeve process through two reading programs and two data comparison processes of the target stator, and simultaneously improves the production efficiency through the identification and comparison processes.
In a first aspect, a motor stator identification comparison method is provided, which includes the following steps: an RFID reader-writer on the conveying track reads and writes an RFID electronic tag on the AGV, and the obtained target stator information to be conveyed is sent to the thermal jacket subsystem and a main cabinet PLC on the AGV; the hot jacket subsystem acquires the target stator information, and selects a corresponding target stator to be placed on the AGV according to the target stator information; a stator appearance detection subsystem on the AGV acquires actual size information of a target stator and sends the actual size information to a main cabinet PLC; the shrink fit subsystem sends a stator standard library of the standard stator to the main cabinet PLC; the main cabinet PLC compares the actual size information with a standard stator in the stator standard library, and when the error is smaller than a preset value, the standard stator with the minimum error is used as target data; comparing the target data with the target stator information, and sending a comparison result to a hot jacket subsystem; and the thermal sleeve subsystem acquires the comparison result and executes corresponding operation.
According to a first aspect, in a first possible implementation manner of the first aspect, before the reading and writing of the RFID electronic tag on the AGV by the RFID reader on the conveying track and the transmission of the acquired target stator information to be conveyed to the thermal sleeve subsystem and the main cabinet PLC on the AGV, the method further includes: the MES subsystem sends the target stator information to a main cabinet PLC; and the main cabinet PLC writes the acquired target stator information into an RFID electronic tag on the AGV through an RFID reader-writer.
According to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the shrink fit subsystem establishes the stator standard library by using characteristic parameters of a plurality of standard stators in a two-dimensional array form, wherein the characteristic parameters include the length and the width of the standard stators.
According to a second possible implementation manner of the first aspect, in a third possible implementation manner of the first aspect, the main cabinet PLC compares the actual size information with a standard stator in the stator standard library, and when an error is smaller than a preset value, the method specifically includes: the main cabinet PLC calculates the actual size information and the ith standard in the stator standard libraryError value R of characteristic parameter of statori，
Figure BDA0002574159010000021
Wherein a and b are actual size information of the target stator, and ai、biThe characteristic parameter of the ith standard stator in the stator standard library is represented, wherein i is an integer which is greater than 0 and smaller than the total number of the standard stators in the stator standard library; when the error value RiAnd when the error is smaller than the preset value, the main cabinet PLC acquires the characteristic parameter of the standard stator with the minimum error as target data.
According to a third possible implementation manner of the first aspect, in a fourth possible implementation manner of the first aspect, the error value R is determined as the error value RiWhen the error is smaller than the preset value, the main cabinet PLC acquires the characteristic parameter of the standard stator with the minimum error as target data, and the method specifically comprises the following steps: when the error values are smaller than the preset value, the main cabinet PLC compares the error values, and the characteristic parameter of the standard stator with the minimum error value is used as target data; and when only one error value is smaller than the preset value, the main cabinet PLC takes the characteristic parameters of the standard stator with the error value smaller than the preset value as target data.
According to a fourth possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, the hot jacket subsystem obtains the comparison result and performs a corresponding operation, which specifically includes: if the comparison result is consistent, the shrink fit subsystem calls a shrink fit program of the standard stator corresponding to the target data to start shell shrink fit; and if the comparison result is inconsistent, the hot jacket subsystem gives an alarm prompt, the hot jacket subsystem does not call the hot jacket program of the standard stator corresponding to the target data, and the target stator on the AGV exits from the hot jacket subsystem.
In a second aspect, a motor stator identification and comparison system is provided, which includes a conveying track; the RFID reader-writer is arranged on the conveying track; the AGV comprises a plurality of AGV cars, a conveying track and a plurality of AGV cars, wherein the AGV cars are arranged on the conveying track; a stator appearance detection subsystem, the main cabinet PLC and the RFID electronic tag are arranged on the main cabinet PLC; the RFID reader-writer is used for reading and writing the RFID electronic tag and sending the acquired target stator information to be conveyed to the thermal sleeve subsystem and the main cabinet PLC; the hot sleeve subsystem is used for acquiring the target stator information, and selecting a corresponding target stator according to the target stator information and placing the target stator on the AGV; the stator appearance detection subsystem is used for acquiring the actual size information of a target stator and sending the actual size information to the main cabinet PLC; the shrink fit subsystem is also used for sending a stator standard library of the standard stator to the main cabinet PLC; the main cabinet PLC is used for comparing the actual size information with a standard stator in the stator standard library, and when the error is smaller than a preset value, the standard stator characteristic parameter with the minimum error is used as target data; comparing the target data with the target stator information, and sending a comparison result to a hot jacket subsystem; the hot jacket subsystem is also used for acquiring the comparison result and executing corresponding operation.
According to the second aspect, in a first possible implementation manner of the second aspect, the system further includes an MES subsystem, and the MES subsystem is connected to the main cabinet PLC and configured to send the target stator information to the main cabinet PLC.
According to the first possible implementation manner of the second aspect, in a second possible implementation manner of the second aspect, the main cabinet PLC is further configured to write the acquired target stator information into an RFID electronic tag on the AGV through an RFID reader.
According to the second possible implementation manner of the second aspect, in a third possible implementation manner of the second aspect, the shrink fit subsystem is further configured to invoke a shrink fit program of a standard stator corresponding to the target data to start casing shrink fit.
Compared with the prior art, the invention has the following advantages:
the motor stator identification comparison method mainly comprises the steps of reading target stator information through two programs, wherein in the first program, an RFID reader-writer on a conveying track reads and writes an RFID electronic tag on an AGV, and the target stator information to be conveyed is sent to a thermal sleeve subsystem and a main cabinet PLC on the AGV; a second program, wherein a stator appearance detection subsystem on the AGV acquires actual size information of a target stator, and sends the actual size information to a main cabinet PLC; then, judging whether the grabbed target stator is correct or not by comparing the data of the target stator twice, specifically, comparing the actual size information with the stator standard library by the PLC of the main cabinet, and taking the characteristic parameter with the minimum error as target data when the error is smaller than a preset value; and comparing the target data with the target stator information, and sending a comparison result to the hot jacket subsystem.
Therefore, through two reading programs of the target stator and two data comparison processes, the problem of mistaken taking and wrong installation when the target stator is subjected to a hot sleeve process is avoided, and meanwhile, the production efficiency is improved through the identification comparison process.
Drawings
FIG. 1 is a schematic diagram of an embodiment of a motor stator identification comparison method according to the present application;
FIG. 2 is a schematic diagram of an error calculation of an embodiment of the present application;
FIG. 3 is a schematic diagram of the thermal sleeve subsystem of the embodiment of the application for obtaining the comparison result and executing the corresponding operation;
fig. 4 is a schematic diagram of an embodiment of a motor stator identification comparison system according to the present application.
Detailed Description
Reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings. While the invention will be described in conjunction with the specific embodiments, it will be understood that they are not intended to limit the invention to the embodiments described. On the contrary, it is intended to cover alternatives, modifications, and equivalents as may be included within the spirit and scope of the invention as defined by the appended claims. It should be noted that the method steps described herein may be implemented by any functional block or functional arrangement, and that any functional block or functional arrangement may be implemented as a physical entity or a logical entity, or a combination of both.
In order that those skilled in the art will better understand the present invention, the following detailed description of the invention is provided in conjunction with the accompanying drawings and the detailed description of the invention.
Note that: the example to be described next is only a specific example, and does not limit the embodiments of the present invention necessarily to the following specific steps, values, conditions, data, orders, and the like. Those skilled in the art can, upon reading this specification, utilize the concepts of the present invention to construct more embodiments than those specifically described herein.
Referring to fig. 1, an embodiment of the present invention provides a motor stator identification and comparison method, including the following steps:
step one, an RFID reader-writer on a conveying track reads and writes an RFID electronic tag on an AGV, and the obtained target stator information to be conveyed is sent to a thermal sleeve subsystem and a main cabinet PLC on the AGV through wireless communication;
step two, the hot jacket subsystem acquires the target stator information, and selects a corresponding target stator to place on the AGV according to the target stator information;
step three, a stator appearance detection subsystem on the AGV acquires actual size information of a target stator, and sends the actual size information to a PLC (programmable logic controller) through a wireless communication main cabinet;
step four, the shrink fit subsystem sends a stator standard library of the standard stator to the main cabinet PLC through wireless communication;
step five, the main cabinet PLC compares the actual size information with a standard stator in the stator standard library, and when the error is smaller than a preset value, the standard stator with the minimum error is used as target data; comparing the target data with the target stator information, and sending a comparison result to the hot jacket subsystem through wireless communication;
and step six, the hot jacket subsystem acquires the comparison result and executes corresponding operation.
The AGV is an abbreviation of Automated Guided Vehicle, that is, an "automatic Guided Vehicle", and the AGV is a Vehicle equipped with an electromagnetic or optical automatic guide device, capable of traveling along a predetermined guide path, and having safety protection and various transfer functions. PLC is an abbreviation of Programmable Logic Controller, a Programmable Logic Controller, which employs a Programmable memory for storing programs therein, executing user-oriented instructions such as Logic operations, sequence control, timing, counting, and arithmetic operations, and controlling various types of machinery or manufacturing processes through digital or analog input/output. The RFID is an abbreviation of Radio Frequency Identification, namely Radio Frequency Identification, a target object is automatically identified and related data is obtained through a Radio Frequency Identification signal, manual intervention is not needed, and the RFID reader-writer can identify a high-speed moving object and can simultaneously identify a plurality of RFID labels.
In the embodiment of the application, the motor stator identification comparison method mainly reads target stator information through two programs, wherein in the first program, an RFID reader-writer on a conveying track reads and writes an RFID electronic tag on an AGV, and the target stator information to be conveyed is sent to a thermal sleeve subsystem and a main cabinet PLC on the AGV; a second program, wherein a stator appearance detection subsystem on the AGV acquires actual size information of a target stator, and sends the actual size information to a main cabinet PLC; then, judging whether the grabbed target stator is correct or not by comparing the data of the target stator twice, specifically, comparing the actual size information with a standard stator in a stator standard library by a main cabinet PLC, and when the error is smaller than a preset value, taking the standard stator with the minimum error as target data, wherein the target data is the stator with the known model; and comparing the target data with the target stator information, and sending a comparison result to the hot jacket subsystem. Therefore, through two reading programs and two data comparison processes of the target stator, the problem of mistaken taking and wrong assembling when the target stator is subjected to a hot sleeve process is avoided, and meanwhile, the automatic identification comparison process also improves the production efficiency.
Optionally, before the RFID reader on the conveying track reads and writes the RFID electronic tag on the AGV, and sends the information of the target stator to be conveyed to the thermal suit subsystem and the main cabinet PLC on the AGV, the method further includes the following steps: step one, the MES subsystem sends the target stator information to a main cabinet PLC through wireless communication; and step two, the main cabinet PLC writes the acquired target stator information into an RFID electronic tag on the AGV through an RFID reader-writer.
It should be noted that MES is an abbreviation of Manufacturing Execution System, that is, a Manufacturing enterprise production process Execution System, and is a set of production information management System facing to a Manufacturing enterprise workshop Execution layer. The MES provides the enterprise with the management of manufacturing data, planning and scheduling management, production scheduling management, inventory management, quality management, production process control and the like, and is a collaborative management platform. The target stator information in the RFID electronic tag is not initially stored in the RFID electronic tag, but is firstly sent to the main cabinet PLC through the MES subsystem, and then the obtained target stator information is written into the RFID electronic tag through the RFID reader-writer through the main cabinet PLC.
Optionally, the stator standard library is established in a form of a two-dimensional array by using characteristic parameters of all standard stators, where the characteristic parameters include the length and width of a stator; the two-dimensional array is mainly in the form of (a)i，bi) Characteristic parameters (a) of each set of standard statorsi，bi) All correspond to the hot jacket procedure of only one standard stator; a isiLength of corresponding standard stator, biCorresponding to the width of a standard stator, and thus by the form of a two-dimensional array (a)i，bi) I.e. the length and width of all standard stators can be established.
Referring to fig. 2, in the embodiment of the present application, the main cabinet PLC compares the actual size information with the stator standard library, and when an error is smaller than a preset value, takes a characteristic parameter with a minimum error as target data, specifically including: the main cabinet PLC calculates the error value R of the actual size information and the characteristic parameter of the ith standard stator in the stator standard libraryi，
Figure BDA0002574159010000081
Wherein a and b are actual size information of the target stator, and ai、biThe characteristic parameter of the ith standard stator in the standard stator library is represented, i is an integer which is larger than 0 and smaller than the total number of the standard stators in the standard stator library, and the characteristic parameter is represented by a corresponding integer, such as 1, 2 and 3; when the error value RiWhen the error is smaller than the preset value, the main cabinet PLC acquires the characteristic parameter of the standard stator with the minimum error as target data; it should be noted that the error preset value can be adjusted in real time according to the characteristic difference of the actual shrink fit stator, and the accuracy of error calculation can be effectively controlled.
Optionally, when the error value RiWhen the error is smaller than the preset value, the main cabinet PLC acquires the corresponding characteristic parameter with the minimum error as target data, and the method specifically includes: when the error values are smaller than the preset value, the main cabinet PLC compares the error values, and the characteristic parameter of the standard stator with the minimum error value is used as target data; and when only one error value is smaller than the preset value, the main cabinet PLC takes the characteristic parameters of the standard stator with the error value smaller than the preset value as target data.
When the main cabinet PLC performs traversal error calculation, because the error preset value is manually set on the main cabinet PLC, only one standard stator cannot calculate and the calculated error is just smaller than or equal to the preset value during the error calculation, and therefore when the error calculated by a plurality of standard stators is smaller than or equal to the preset value, the main cabinet PLC selects the characteristic parameter of the standard stator with the minimum error value as target data.
Referring to fig. 3, in the embodiment of the present application, the shrink fit subsystem obtains the comparison result and executes corresponding operations, which specifically include: if the comparison result is consistent, the shrink fit subsystem calls a shrink fit program of the standard stator corresponding to the target data to start shell shrink fit; each standard stator corresponds to a set of shrink fit program, and when the comparison results obtained by the shrink fit subsystem are consistent, the shrink fit program of the corresponding standard stator can be called to start shell shrink fit; and if the comparison result is inconsistent, the hot jacket subsystem gives an alarm prompt, the hot jacket subsystem does not call the hot jacket program of the standard stator corresponding to the target data, and the target stator on the AGV exits from the hot jacket subsystem.
Through the specific description, the problem that the target stator is mistakenly taken and wrongly installed in the process of hot sleeving the target stator is solved through two reading programs of the target stator and two data comparison processes, so that the hot sleeving subsystem executes corresponding operation after acquiring the final comparison result, namely whether the final result is the hot sleeving program of the corresponding standard stator or not, and the production efficiency of the hot sleeving of the shell is improved through the automatic identification comparison process.
Referring to fig. 4, an identification comparison system for a motor stator provided in an embodiment of the present application includes: a conveying track; the RFID reader-writer is arranged on the conveying track; the AGV comprises a plurality of AGV cars, a conveying track and a plurality of AGV cars, wherein the AGV cars are arranged on the conveying track; a stator appearance detection subsystem, the main cabinet PLC and the RFID electronic tag are arranged on the main cabinet PLC; the RFID reader-writer is used for reading and writing the RFID electronic tag and sending the acquired target stator information to be conveyed to the thermal sleeve subsystem and the main cabinet PLC; the hot sleeve subsystem is used for acquiring the target stator information, and selecting a corresponding target stator according to the target stator information and placing the target stator on the AGV; the stator appearance detection subsystem is used for acquiring the actual size information of a target stator and sending the actual size information to the main cabinet PLC; the shrink fit subsystem is also used for sending a stator standard library of the standard stator to the main cabinet PLC; the main cabinet PLC is used for comparing the actual size information with a standard stator in the stator standard library, and when the error is smaller than a preset value, the standard stator with the minimum error is used as target data; comparing the target data with the target stator information, and sending a comparison result to a hot jacket subsystem; the hot jacket subsystem is also used for acquiring the comparison result and executing corresponding operation. Through twice reading programs and twice data comparison processes of the target stator, the problem of mistaken taking and wrong assembling when the target stator is subjected to a hot sleeve process is avoided, and meanwhile, the production efficiency is improved through the automatic operation.
Optionally, the motor stator identification and comparison system further comprises an MES subsystem, and the MES subsystem is connected with the main cabinet PLC and is used for sending the target stator information to the main cabinet PLC; optionally, the main cabinet PLC is further configured to write the acquired target stator information into an RFID electronic tag through an RFID reader. The target stator information in the RFID electronic tag is not initially stored in the RFID electronic tag, but is firstly sent to the main cabinet PLC through the MES subsystem, and then the obtained target stator information is written into the RFID electronic tag on the AGV through the RFID reader-writer through the main cabinet PLC.
Optionally, the thermal sleeve subsystem is further configured to: calling a shrink fit program of a standard stator corresponding to the target data to start shell shrink fit; because each standard stator corresponds to one set of shrink fit program, when the comparison result obtained by the shrink fit subsystem is consistent, the shrink fit program of the corresponding standard stator can be called to start the shell shrink fit.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, server, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), servers and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A motor stator identification comparison method is characterized by comprising the following steps:
an RFID reader-writer on the conveying track reads and writes an RFID electronic tag on the AGV, and the obtained target stator information to be conveyed is sent to the thermal jacket subsystem and a main cabinet PLC on the AGV;
the hot jacket subsystem acquires the target stator information, and selects a corresponding target stator to be placed on the AGV according to the target stator information;
a stator appearance detection subsystem on the AGV acquires actual size information of a target stator and sends the actual size information to a main cabinet PLC;
the shrink fit subsystem sends a stator standard library of the standard stator to the main cabinet PLC;
the main cabinet PLC compares the actual size information with a standard stator in the stator standard library, and when the error is smaller than a preset value, the standard stator with the minimum error is used as target data; comparing the target data with the target stator information, and sending a comparison result to a hot jacket subsystem;
and the thermal sleeve subsystem acquires the comparison result and executes corresponding operation.
2. The motor stator identification comparison method according to claim 1, wherein before the RFID reader on the conveying track reads and writes the RFID tag on the AGV, and sends the obtained information of the target stator to be conveyed to the thermal sleeve subsystem and the main cabinet PLC on the AGV, the method further comprises:
the MES subsystem sends the target stator information to a main cabinet PLC;
and the main cabinet PLC writes the acquired target stator information into an RFID electronic tag on the AGV through an RFID reader-writer.
3. The motor stator identification comparison method of claim 1, wherein:
the hot sleeve subsystem establishes the stator standard library by using characteristic parameters of a plurality of standard stators in a two-dimensional array form, wherein the characteristic parameters comprise the length and the width of the standard stators.
4. The method according to claim 1, wherein the main cabinet PLC compares the actual size information with a standard stator in the stator standard library, and when an error is smaller than a preset value, the standard stator with the smallest error is used as target data, which specifically includes:
the main cabinet PLC calculates the error value R of the actual size information and the characteristic parameter of the ith standard stator in the stator standard libraryi，
Figure FDA0002574159000000021
Wherein a and b are actual size information of the target stator, and ai、biThe characteristic parameter of the ith standard stator in the stator standard library is represented, wherein i is an integer which is greater than 0 and smaller than the total number of the standard stators in the stator standard library;
when the error value RiAnd when the error is smaller than the preset value, the main cabinet PLC acquires the characteristic parameter of the standard stator with the minimum error as target data.
5. The method as claimed in claim 4, wherein when the error value R is smaller than the threshold value R, the motor stator identification comparison method is performediWhen the error is smaller than the preset value, the main cabinet PLC acquires the characteristic parameter of the standard stator with the minimum error as target data, and the method specifically comprises the following steps:
when the error values are smaller than the preset value, the main cabinet PLC compares the error values, and the characteristic parameter of the standard stator with the minimum error value is used as target data;
and when only one error value is smaller than the preset value, the main cabinet PLC takes the characteristic parameters of the standard stator with the error value smaller than the preset value as target data.
6. The motor stator identification comparison method according to claim 1, wherein the shrink fit subsystem obtains the comparison result and performs corresponding operations, specifically comprising:
if the comparison result is consistent, the shrink fit subsystem calls a shrink fit program of the standard stator corresponding to the target data to start shell shrink fit;
and if the comparison result is inconsistent, the hot jacket subsystem gives an alarm prompt, the hot jacket subsystem does not call the hot jacket program of the standard stator corresponding to the target data, and the target stator on the AGV exits from the hot jacket subsystem.
7. A motor stator identification comparison system is characterized by comprising:
a conveying track;
the RFID reader-writer is arranged on the conveying track;
the AGV comprises a plurality of AGV cars, a conveying track and a plurality of AGV cars, wherein the AGV cars are arranged on the conveying track; a stator appearance detection subsystem, a main cabinet PLC and an RFID electronic tag are arranged on the main cabinet PLC;
an RFID reader for: reading and writing the RFID electronic tag, and sending the obtained target stator information to be conveyed to the thermal sleeve subsystem and the main cabinet PLC;
a shrink sleeve subsystem for: acquiring the target stator information, and selecting a corresponding target stator according to the target stator information and placing the target stator on the AGV;
a stator contour detection subsystem for: acquiring actual size information of a target stator, and sending the actual size information to a main cabinet PLC;
a shrink sleeve subsystem further for: sending a stator standard library of the standard stator to a main cabinet PLC;
a master cabinet PLC for: comparing the actual size information with a standard stator in the stator standard library, and when the error is smaller than a preset value, taking the standard stator with the minimum error as target data; comparing the target data with the target stator information, and sending a comparison result to a hot jacket subsystem;
a shrink sleeve subsystem further for: and acquiring the comparison result and executing corresponding operation.
8. The motor stator identification comparison system of claim 7, further comprising: a MES subsystem connected to said main cabinet PLC for: and sending the target stator information to a main cabinet PLC.
9. The motor stator identification comparison system of claim 7, wherein the main cabinet PLC is further configured to: and writing the acquired target stator information into an RFID electronic tag on the AGV through an RFID reader-writer.
10. The motor stator identification comparison system of claim 7, wherein the shrink fit subsystem is further configured to: and calling a shrink fit program of the standard stator corresponding to the target data to start the shell shrink fit.
CN202010648861.6A 2020-07-08 2020-07-08 Motor stator identification comparison method and system Pending CN112001459A (en)

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Publication number Priority date Publication date Assignee Title
CN101169657A (en) * 2007-11-28 2008-04-30 安徽江淮自动化装备有限公司 Automobile wind shield glass mounting method based on automatic glue application and artificial mounting
CN108564324A (en) * 2018-04-15 2018-09-21 杨国超 A kind of unmanned intelligent logistics system and its working method based on RFID
CN109676279A (en) * 2019-02-02 2019-04-26 宁波吉利汽车研究开发有限公司 A kind of multi-vehicle-type flexible manufacturing method and device
CN109991917A (en) * 2019-04-09 2019-07-09 东风汽车集团有限公司 Composite and flexible windscreen recognition methods
CN111204384A (en) * 2020-01-15 2020-05-29 东风汽车集团有限公司 Full-automatic skylight assembling method and system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101169657A (en) * 2007-11-28 2008-04-30 安徽江淮自动化装备有限公司 Automobile wind shield glass mounting method based on automatic glue application and artificial mounting
CN108564324A (en) * 2018-04-15 2018-09-21 杨国超 A kind of unmanned intelligent logistics system and its working method based on RFID
CN109676279A (en) * 2019-02-02 2019-04-26 宁波吉利汽车研究开发有限公司 A kind of multi-vehicle-type flexible manufacturing method and device
CN109991917A (en) * 2019-04-09 2019-07-09 东风汽车集团有限公司 Composite and flexible windscreen recognition methods
CN111204384A (en) * 2020-01-15 2020-05-29 东风汽车集团有限公司 Full-automatic skylight assembling method and system

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Application publication date: 20201127