CN111167370B - Lithium battery positive electrode material feeding control system and method - Google Patents
Lithium battery positive electrode material feeding control system and method Download PDFInfo
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- CN111167370B CN111167370B CN201911398716.0A CN201911398716A CN111167370B CN 111167370 B CN111167370 B CN 111167370B CN 201911398716 A CN201911398716 A CN 201911398716A CN 111167370 B CN111167370 B CN 111167370B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2218—Weight of at least one component to be mixed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a lithium battery anode material feeding control system and a lithium battery anode material feeding control method, wherein the actual weighing data of raw materials to be dispensed, which are transported by a transportation assembly, are measured, and the weighing deviation of the actual weighing data and preset target weighing data is calculated; judging whether the weighing deviation is within a corresponding deviation threshold value, and if so, transporting the raw materials to be delivered to a preset feeding point; whether the transportation assembly transports the raw materials to be delivered to a feeding point is detected, if the transportation assembly detects that the raw materials to be delivered are transported to the feeding point, the raw materials to be delivered are judged to be delivered into a receiving bin according to whether the action pictures of the user during feeding are collected, so that the error risk in the feeding process is effectively reduced, the error-proofing capability of the lithium battery anode material in the feeding process is improved, and the quality of the lithium battery anode material mixed material is effectively controlled.
Description
Technical Field
The invention relates to the field of control of mixing materials, in particular to a system and a method for controlling feeding of a lithium battery positive electrode material.
Background
Data analysis and data mining are information supported by decision-making provided by a computer, and the human brain makes a decision. In an actual business scenario, multiple and multilevel different decisions are often required, that is, based on multiple decision results of the previous step, various decisions of the next step are performed, and the above processes are repeated according to new data obtained continuously, so as to complete the decisions and actions of the whole business process. Human participation and critical decision-making have divided the entire process into multiple discrete stages. The artificial intelligence can output the determined decision result and take corresponding action according to the decision result, and the participation of people is not needed in the middle, so that thinking, decision and action are completely communicated, the decision can be continuously completed, action is taken, decision is continued, action is continuously taken, and the full process full automation without the participation of people is realized. The intelligent manufacturing reaches the level of intelligent decision making, and the basic work is required to be completed to a certain degree. At the compounding in-process of lithium electricity cathode material, at present, the producer adopts the manual work to throw the material mode basically, then greatly increased the risk of making mistakes like this, relies on operating personnel experience completely, has certain degree of difficulty to the quality risk management and control of production line.
Therefore, how to solve the error-proofing capability of the lithium battery cathode material compound becomes a technical problem to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention provides a lithium battery anode material feeding control system and method, which are used for solving the technical problems of high error risk and high quality control difficulty of the conventional lithium battery anode material manual feeding mode.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a lithium battery positive electrode material feeding control system comprises: the device comprises a control assembly, a weight measuring assembly, a transportation assembly, a position measuring assembly and a motion capturing assembly, wherein the control assembly is respectively connected with the weight measuring assembly, the transportation assembly, the position measuring assembly and the motion capturing assembly;
the weight measuring component is used for measuring the actual weighing data of the raw material to be dispensed conveyed by the conveying component and sending the actual weighing data of the raw material to be dispensed to the control component; the control assembly is used for receiving actual weighing data of the raw materials to be dispensed, calculating weighing deviation between the actual weighing data of the raw materials to be dispensed and target weighing data of the raw materials to be dispensed, judging whether the weighing deviation is within a corresponding weighing deviation threshold value, and if the weighing deviation is within the corresponding weighing deviation threshold value, controlling the transportation assembly to transport the raw materials to be dispensed to a preset feeding point; the position measuring assembly is arranged at a preset feeding point and used for generating a first feedback signal to the control assembly when the conveying assembly is detected to convey the raw materials to be dispensed to the feeding point; the control component is also used for receiving the first feedback signal and controlling the motion capture component to collect motion pictures when the user throws materials according to the first feedback signal; the motion capture assembly is arranged at a feed inlet of the receiving bin and used for collecting and generating a second feedback signal to the control device according to a motion picture when a user feeds materials; the control component is also used for receiving and judging that the raw material to be dispensed is delivered into the receiving bin according to the second feedback signal.
Preferably, the motion capture assembly comprises a feeding tool which is used for feeding by a user and has a specific characteristic and a recognition camera which is arranged at the feeding port and is used for recognizing the specific characteristic; the action photo is a photo containing a user using a feeding tool to perform feeding action;
the characteristic identification camera is connected with the control assembly and used for continuously collecting photos at the feeding port according to the control of the control assembly and judging whether the photos are action photos or not by identifying whether the photos have specific characteristics or not.
Preferably, the device further comprises an acousto-optic prompter connected with the control component, the weight measuring component comprises a first platform scale and a second platform scale, the first platform scale and the second platform scale are respectively connected with the control component, the actual weighing data comprises actual weighing data of the raw materials to be dispensed, the actual weighing data comprises a first weighing deviation and a second weighing deviation, and the weighing deviation threshold comprises the first weighing deviation and the second weighing deviation;
the transportation assembly is also used for transporting materials to be measured to the first platform scale and the second platform scale in sequence for measurement, and the first platform scale and the second platform scale are both used for measuring actual weighing data of the raw materials to be dispensed and sending the measured actual weighing data to the control assembly; the control component is used for receiving actual weighing data measured by the first platform scale, calculating first weighing deviation of the actual weighing data and target weighing data measured by the first platform scale, judging whether the first weighing deviation is within a preset first weighing deviation threshold value, if not, controlling an acousto-optic prompter to prompt a user that the actual measuring data of raw materials to be distributed and the raw material data to be distributed provided by a supplier have deviation, if so, controlling the transportation component to transport the raw materials to be distributed to the second platform scale, receiving actual weighing data measured by the second platform scale, calculating second weighing deviation between the actual weighing data measured by the second platform scale and the actual weighing data measured by the first platform scale, judging whether the second weighing deviation is within a preset second weighing deviation threshold value, and if not, judging that the measurement is wrong, and controlling the acousto-optic prompter to prompt the staff to carry out scale calibration, and if so, controlling the transportation assembly to transport the raw materials to be dispensed to the feeding point.
Preferably, the position measurement component comprises a code scanner arranged at the feeding point and a warehouse-out code arranged on a raw material bag of the raw material to be delivered, wherein the code scanner is used for identifying the warehouse-out code on the raw material bag transported by the transportation component and comparing the warehouse-out code with the warehouse-out code on the raw material bag of the raw material to be delivered, if the warehouse-out codes are consistent, a sound and light prompter is used for prompting a worker to feed the raw material by using a feeding tool, and if the warehouse-out codes are inconsistent, the worker is prompted that the deviation of the raw material to be delivered occurs in the transportation process.
Preferably, the motion capture component includes a plurality of feeding tools having different kinds of specific features and used for feeding different kinds of raw materials to be dispensed, respectively, the recognition camera is used for recognizing the kind of the raw materials to be dispensed in the motion picture according to the specific features in the motion picture and generating a second feedback signal corresponding to the kind of the raw materials to be dispensed to the control component, and the control component determines that the raw materials to be dispensed corresponding to the second feedback signal is completely fed according to the kind of the received second feedback signal.
Preferably, the lithium battery positive electrode material feeding control system further comprises a weight rechecking assembly arranged at the bottom end of the receiving bin, and the weight rechecking assembly is connected with the control assembly; the weight rechecking component is used for counting the actual delivery weight of the raw material to be delivered into the receiving bin, sending the actual delivery weight to the control component, further calculating the delivery weight deviation between the actual delivery weight of the raw material to be delivered and the actual weighing data, judging whether the delivery weight deviation is within the delivery deviation threshold value, and judging that the delivery material is delivered smoothly when the delivery weight deviation is judged to be within the preset delivery deviation threshold value and the delivery of the raw material to be delivered is judged to be finished; when the delivery weight deviation is judged not to be within a preset delivery deviation threshold value, and the raw material to be delivered is judged to be delivered completely, the raw material to be delivered is judged to be unsmooth discharging or raw material loss in the process that the fed material enters the receiving bin from the receiving port, and an acousto-optic prompter is controlled to prompt the staff to carry out receiving bin leakage measurement.
A lithium battery positive electrode material feeding control method comprises the following steps:
measuring actual weighing data of raw materials to be dispensed transported by a transport assembly, and calculating weighing deviation between the actual weighing data and preset target weighing data;
judging whether the weighing deviation is within a corresponding weighing deviation threshold value, and if so, transporting the raw materials to be dispensed to a preset feeding point;
and detecting whether the transportation assembly transports the raw material to be delivered to a feeding point, if so, judging that the raw material to be delivered enters a receiving bin according to whether an action picture of the user during feeding is collected.
Preferably, the determining whether the weighing deviation is within the weighing deviation threshold value corresponding thereto specifically includes the following steps:
measuring actual weighing data of the raw material to be dispensed by using a first platform scale, calculating a first weighing deviation of the actual weighing data and target weighing data measured by the first platform scale, judging whether the first weighing deviation is within a preset first weighing deviation threshold value, and if not, controlling an acousto-optic prompter connected with the control assembly to prompt; if so, controlling the transportation assembly to transport the raw materials to be dispensed to a second platform scale;
the method comprises the steps of using actual weighing data of raw materials to be distributed by a second platform scale, calculating second weighing deviation of the actual weighing data and target weighing data measured by the second platform scale, judging whether the second weighing deviation is within a preset second weighing deviation threshold value, controlling a transportation assembly to transport the raw materials to be distributed to a feeding point if the second weighing deviation is within the preset second weighing deviation threshold value, judging whether the raw materials are mistakenly measured by the electronic scale if the raw materials are not in the preset second weighing deviation threshold value, and controlling an acousto-optic prompter to prompt a worker to carry out scale calibration.
Preferably, the method for detecting whether the transportation assembly transports the raw material to be dispensed to a feeding point specifically comprises the following steps:
the warehouse-out code on the raw material bag transported by the transportation assembly is identified by the code scanner arranged on the material feeding point, the warehouse-out code is compared with the warehouse-out code on the raw material bag to be matched with the raw material, if the warehouse-out code is consistent, the prompt is used by a worker to feed the material by using a feeding tool through a prompt, and if the warehouse-out code is inconsistent, the worker is prompted to transport the mistake.
Preferably, after the raw materials to be blended are judged to be delivered into the receiving bin according to whether the action photos of the user during feeding are collected, the method further comprises the following steps:
counting the actual delivery weight of the raw material to be delivered into the receiving bin, sending the actual delivery weight to the control component, and further calculating the delivery weight deviation between the actual delivery weight of the raw material to be delivered and the actual weighing data;
judging whether the delivery weight deviation is within the delivery deviation threshold value, and judging that the delivery of the delivered materials is smooth when judging that the delivery weight deviation is within the preset delivery deviation threshold value and judging that the delivery of the raw materials to be delivered is finished; when the delivery weight deviation is judged not to be within the preset delivery deviation threshold value, and the to-be-delivered raw material is judged to be delivered, the raw material to be delivered is judged to have unsmooth discharging or raw material loss in the process of delivering the raw material from the receiving port into the receiving bin, and an acousto-optic prompter is controlled to prompt the staff to carry out the receiving bin material leakage measurement.
The invention has the following beneficial effects:
1. according to the lithium battery anode material feeding control system and method, actual weighing data of raw materials to be dispensed, which are conveyed by a conveying assembly, are measured, and weighing deviation of the actual weighing data and preset target weighing data is calculated; judging whether the weighing deviation is within a corresponding deviation threshold value, and if so, transporting the raw materials to be delivered to a preset feeding point; detect whether the transport assembly will wait to join in marriage the raw materials and transport to throw the material point, if detect and wait to join in marriage the raw materials and transport to throw the material point to judge according to whether gather action photo when the user throws the material wait to join in marriage the raw materials and deliver and get into the receiving bin, thereby the risk of makeing mistakes of material in-process is thrown in effectual reduction, improves the mistake proofing ability of lithium battery cathode material throw material in-process, and then the quality of effective management and control lithium battery cathode material compounding material.
2. In a preferred scheme, the lithium battery positive electrode material feeding control system and method provided by the invention are provided with various fault judgment processes and corresponding prompts thereof, the system decision degree is high, and in the process of mixing materials, workers only need to operate step by step according to the system prompts, the foolproof measures are enhanced, and production accidents caused by improper operation in an intermediate link are avoided; the personnel training process is greatly simplified, the dependency on skilled personnel is avoided, and any person can be put into a production post only through simple process training.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of a lithium battery positive electrode material charge control system in a preferred embodiment of the invention;
fig. 2 is a view of the installation position of the color recognition camera in the preferred embodiment of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
The first embodiment is as follows:
as shown in fig. 1, in this embodiment, a lithium battery positive electrode material feeding control system is disclosed, which includes: the device comprises a control component, a weight measuring component, a transportation component, a position measuring component and a motion capturing component, wherein the control component is respectively connected with the weight measuring component, the transportation component, the position measuring component and the motion capturing component;
the weight measuring component is used for measuring the actual weighing data of the raw material to be dispensed conveyed by the conveying component and sending the actual weighing data of the raw material to be dispensed to the control component; the control assembly is used for receiving the actual weighing data of the raw material to be dispensed, calculating the weighing deviation between the actual weighing data of the raw material to be dispensed and the target weighing data of the raw material to be dispensed, judging whether the weighing deviation is within a corresponding weighing deviation threshold value, and if so, controlling the transportation assembly to transport the raw material to be dispensed to a preset feeding point; the position measuring assembly is arranged at a preset feeding point and used for generating a first feedback signal to the control assembly when the conveying assembly is detected to convey the raw materials to be dispensed to the feeding point; the control component is also used for receiving the first feedback signal and controlling the motion capture component to collect motion pictures when the user throws materials according to the first feedback signal; the motion capture component is arranged at a feed inlet of the receiving bin and used for collecting and generating a second feedback signal to the control device according to a motion picture when a user feeds materials; the control component is also used for receiving and judging that the raw material to be dispensed is delivered into the receiving bin according to the second feedback signal.
In addition, in this embodiment, a method for controlling a lithium battery positive electrode material feeding is also disclosed, which includes the following steps:
measuring actual weighing data of raw materials to be dispensed transported by a transport assembly, and calculating weighing deviation of the actual weighing data and preset target weighing data;
judging whether the weighing deviation is within a corresponding weighing deviation threshold value, and if so, transporting the raw materials to be dispensed to a preset feeding point;
and detecting whether the transportation assembly transports the raw material to be delivered to a feeding point, if so, judging that the raw material to be delivered enters a receiving bin according to whether an action picture of the user during feeding is collected.
According to the lithium battery anode material feeding control system and method, actual weighing data of raw materials to be dispensed, which are conveyed by a conveying assembly, are measured, and weighing deviation of the actual weighing data and preset target weighing data is calculated; judging whether the weighing deviation is within a corresponding deviation threshold value, and if so, transporting the raw materials to be delivered to a preset feeding point; detect whether the transport assembly will wait to join in marriage the raw materials and transport to throw the material point, if detect and wait to join in marriage the raw materials and transport to throw the material point to judge according to whether gather action photo when the user throws the material wait to join in marriage the raw materials and deliver and get into the receiving bin, thereby the risk of makeing mistakes of material in-process is thrown in effectual reduction, improves the mistake proofing ability of lithium battery cathode material throw material in-process, and then the quality of effective management and control lithium battery cathode material compounding material.
Example two:
the second embodiment is the preferred embodiment of the first embodiment, and is different from the first embodiment in that the structure and function of the lithium battery positive electrode material charging control system are expanded, and the specific steps of the lithium battery positive electrode material charging control method are refined, and the method specifically includes the following steps:
in this embodiment, the feeding control system further includes an acousto-optic prompter connected to the control component, the weight measurement component includes a first platform scale and a second platform scale, the first platform scale and the second platform scale are respectively connected to the control component, the actual weighing data includes actual weighing data of the raw material to be dispensed, which is measured by the first platform scale and the second platform scale, the weighing deviation includes a first weighing deviation and a second weighing deviation, and the weighing deviation threshold includes the first weighing deviation and the second weighing deviation;
the transportation assembly is also used for transporting materials to be measured to the first platform scale and the second platform scale in sequence for measurement, and the first platform scale and the second platform scale are both used for measuring actual weighing data of the raw materials to be dispensed and sending the measured actual weighing data to the control assembly; the control component is used for receiving actual weighing data measured by the first platform scale, calculating first weighing deviation of the actual weighing data and target weighing data measured by the first platform scale, judging whether the first weighing deviation is within a preset first weighing deviation threshold value, if not, controlling an acousto-optic prompter to prompt a user that the actual measuring data of raw materials to be distributed and the raw material data to be distributed provided by a supplier have deviation, if so, controlling the transportation component to transport the raw materials to be distributed to the second platform scale, receiving actual weighing data measured by the second platform scale, calculating second weighing deviation between the actual weighing data measured by the second platform scale and the actual weighing data measured by the first platform scale, judging whether the second weighing deviation is within a preset second weighing deviation threshold value, and if not, judging that the measurement is wrong, and controlling the acousto-optic prompter to prompt the staff to carry out scale calibration, and if so, controlling the transportation assembly to transport the raw materials to be dispensed to the feeding point.
The position measurement subassembly is including setting up throw the bar code ware of material point department and set up the sign indicating number of leaving warehouse on the raw materials bag of waiting to deliver raw materials, the bar code ware is used for discerning the sign indicating number of leaving warehouse on the raw materials bag that the transportation assembly transportation comes, and will the sign indicating number of leaving warehouse on with the raw materials bag of waiting to deliver raw materials compares, if the sign indicating number of leaving warehouse is unanimous, then indicates the staff to use through the prompting device and throw the material apparatus and throw the material, if inconsistent, then indicates the staff transports and has the mistake.
The motion capture assembly comprises a feeding tool with specific characteristics and used for feeding by a user, and a recognition camera which is arranged at the feeding port and used for recognizing the specific characteristics; the action photo is a photo containing a user for feeding materials by using a feeding tool; in this embodiment, as shown in fig. 2, the color recognition camera is disposed right above the material feeding port, so as to take a picture of the material feeding by the user using the material feeding appliance.
In this embodiment, the specific color is used as the specific feature, the recognition camera is a color recognition camera, the feeding tool is a glove with the specific color, and the feature recognition camera is connected with the control component and is used for continuously collecting photos at the feeding port according to the control of the control component and judging whether the photos are motion photos or not by recognizing whether the photos have the specific feature or not.
In a preferred embodiment, the motion capture component includes a plurality of feeding tools with different specific characteristics, the feeding tools are used for feeding different types of raw materials to be fed, the recognition camera is further used for recognizing the types of the materials fed in the motion picture according to the specific characteristics in the motion picture, and generating second feedback signals corresponding to the types of the materials to be fed to the control component, and the control component determines that the raw materials to be fed corresponding to the second feedback signals are fed according to the types of the received second feedback signals.
In a preferred scheme, the lithium battery positive electrode material feeding control system further comprises a weight rechecking assembly arranged at the bottom end of the receiving bin, and the weight rechecking assembly is connected with the control assembly; the weight rechecking component is used for counting the actual delivery weight of the raw material to be delivered into the receiving bin, sending the actual delivery weight to the control component, further calculating the delivery weight deviation between the actual delivery weight of the raw material to be delivered and the actual weighing data, judging whether the delivery weight deviation is within the delivery deviation threshold value, and judging that the delivery material is delivered smoothly when judging that the delivery weight deviation is within the preset delivery deviation threshold value and judging that the delivery of the raw material to be delivered is finished; when judging the delivery weight deviation is not in the preset delivery deviation threshold value, and the raw material to be delivered is judged to be delivered, and the feeding is carried out from the receiving port to enter the receiving bin, and the discharging is unsmooth or the raw material is lost in the process, and the staff is prompted by a sound and light prompter to carry out the receiving bin leakage measurement.
Wherein, the specific process of feeding comprises the following steps:
1. a Manufacturing Execution System (MES) system issues process sheets, the process sheets are received by a Distributed Control System (DCS), and simultaneously the DCS respectively issues different raw material process sheets to each station (each set of process sheets corresponds to one raw material ratio of one station) which needs to execute corresponding raw material feeding operation;
2. an AGV (automatic guided vehicle) trolley (namely a conveying assembly) conveys the corresponding raw materials to be dispensed to a station (namely a measuring station of a first platform scale);
3. placing the raw materials to be dispensed on a first platform scale for weighing, comparing actual weighing data with a required value (namely target weighing data) of the raw materials in a process sheet by a control component in a delivery control system, and if the deviation (namely first weighing deviation) of the actual weighing data and the required value is within an allowable range (namely a weighing deviation threshold), prompting the bag of the raw materials to be dispensed to pass the comparison and continuously executing the next operation; if the deviation (first weighing deviation) exceeds the allowable range, an alarm is given to prompt that the actual weight (actual weighing data) of the raw materials is inconsistent with the target weighing data in the ex-warehouse information, a manager is reminded that the raw material data (namely the target weighing data) provided by a supplier has problems, the information is stored in the system and enters a system locking state, the next operation cannot be executed, and the administrator needs to unlock so as to restart the feeding system;
4. after the raw materials to be dispensed are weighed by the first platform scale, the raw materials to be dispensed are continuously placed on the second platform scale for re-weighing, and if the deviation (second weighing deviation) of the raw materials to be dispensed is within an allowable range (weighing deviation threshold), the bag of raw materials to be dispensed is prompted to pass through the re-weighing, and the next operation is continuously executed; if the second weighing deviation exceeds the allowable range (weighing deviation threshold), an alarm is given to prompt that the two scales have deviation, the scales need to be calibrated again, the system enters a scale calibration program, and the system can perform the weighing operation on the first scale again after the two scales are confirmed to be calibrated;
5. after the re-weighing of the raw materials to be dispensed is finished, the system stores actual weighing data and simultaneously sends a signal for preparing material feeding to the color recognition camera;
6. before feeding, scanning and comparing the delivery codes on the raw material ton bags by the mounted code scanner, confirming that the bag of raw material to be fed is fed at the station (namely a feeding point) again, and if the bag of raw material passes the station, continuously feeding; if the weighing operation on the first platform scale is not passed, the system reminds an administrator to intervene, the recorded data of the weighing process is cleared, and the weighing operation on the first platform scale is executed again;
7. at the moment, an operator wears operating gloves (namely a feeding tool) with a specified color to feed, meanwhile, the system can detect the increase rate and the increase amount of the receiving bin, and when the weight of the receiving bin is not increased any more, the final increase amount (namely the actual feeding weight) and the stored weighing data are within an allowable deviation range (feeding weight deviation), and an execution feedback signal from the color recognition camera is received, the system judges that the feeding of the bag of raw materials is finished, and the judging process is finished; if the weight of the receiving bin is not increased any more, the final increase amount and the stored weighing data exceed the allowable deviation range, the system alarms to remind that blanking is not smooth or raw materials are lost, locks and reminds a manager to intervene, and meanwhile, the system can detect the missing of the receiving bin and reflect the required feeding amount in real time until the manager confirms that the fault is relieved, and then the judging process is finished.
In the embodiment, a touch screen and sound-light alarm combined mode is adopted, a series of functions of intelligent interface skip, step-by-step prompting, fault prompting, process data display and the like in the whole feeding process are completed, a process data report is automatically generated, and the production process tracing is facilitated. The lithium battery anode material feeding control system adopts a form of 'system guidance, manual feeding and central control decision', and the assembly line production operation of the whole batching link is completed. In the whole operation process, the MES system distributes ordering requirements to each feeding station, then an operator finishes each step of operation according to the specific operation flow established on the feeding site, and the system automatically identifies process data (including gross weight, tare weight, net weight, feeding amount and the like) and uploads the process data to the central control system to form a production report. The whole system adopts a foolproof design, and the system forms an autonomous decision by comparing a series of system operation results according to the collected process data, so that an operator is guided to execute the batching process, and human error intervention and omission of any necessary link are avoided. Aiming at abnormal conditions in the production process, such as data deviation and the like, the system uploads corresponding abnormal information to a central control operation room in time, a high-level manager issues decision instructions, and the system makes a response according to the decision and prompts a field operator to execute the response. The application of the technology completely solves the uncontrollable property and the high dependency on skilled operators caused by the manual operation mode, and ensures the reliable continuous production of the anode material.
The work flow and the judgment logic of the delivery control system are as follows:
step 1: initial weighing (i.e., processing of measured actual weighing data for the first scale, in this example, the first deviation threshold is (-0.2kg-0.2kg))
Step 1.1: if the first type of starting condition is met, turning to the step 1.2; if the first judgment starting condition is not met, prompting a user that the raw materials are possibly misplaced; wherein, the first discrimination starting condition is as follows: i primary weighing value-process set value | <10 kg.
Step 1.2: if the first judgment passing condition is met, turning to the step 2; if the first judgment passing condition is not met, turning to the step 1.2.1; wherein the first discrimination passing condition is: firstly, the fluctuation value of the platform scale is less than 0.1kg (the platform scale is distinguished every 2 seconds); secondly, the primary weighing value does not exceed the set upper limit and lower limit (namely the weighing deviation threshold value);
step 1.1.1: primary weighing super-deviation administrator confirmation of precursor
Confirming to continue executing: and skipping to the step 2.
Confirmation failed: and jumping to the step 1.
And 2, step: double scale (i.e. processing of measured actual weighing data of the second scale, in this embodiment the second deviation threshold is (-0.4kg-0.4kg))
Step 2.1: if the second judgment starting condition is met, turning to the step 2.2; if the second judgment starting condition is not met, prompting a user that the raw materials are possibly misplaced; wherein the second judgment starting condition is as follows: weighing again, | gross weight value of first weighing | <5 kg.
Step 2.2: if the second judgment passing condition is met, turning to the step 2; if the second judgment passing condition is not met, turning to the step 2.2.1; wherein the second determination pass condition is: firstly, the fluctuation value of the platform scale is less than 0.1kg (the platform scale is distinguished every 2 seconds); secondly, weighing again, namely weighing the initial gross weight | < | > 0.4kg, and if the gross weight is not beyond the range value after standing for 30 seconds, jumping to the step 3 after passing; and if the range value is still exceeded after standing for 30 seconds, jumping to the step 2.1.
Step 2.2.1: school scale
Step 2.2.1.1: if the third judgment starting condition is met, turning to the step 2.2.1.2; if the third judgment starting condition is not met, prompting the user that the calibration object is possibly misplaced; wherein the third discrimination start condition is: 1 weight of platform scale, setting the weight of calibration scale to be 0.1 kg;
step 2.2.1.2: if the third judgment passing condition is met, turning to the step 1; wherein the third determination passing condition is: firstly, the fluctuation value of the platform scale is less than 0.1kg (the platform scale is distinguished every 2 seconds); ② weighing again, namely weighing the gross weight I for the first time to be 0.4 kg;
and step 3: code scanning validation
Judging a passing condition: and (5) comparing the scanned code data with the process order, and if the scanned code data are consistent with the process order, skipping to the step 4 after the scanned code data pass. And if not, jumping to the step 3.1.
Step 3.1: scan data inconsistency administrator validation
Confirming to continue executing: and skipping to the step 5.
Confirmation failed: and skipping to the step 1.
And 4, step 4: sweep a yard through
And skipping to the step 5 after prompting.
And 5: feeding material
The operation is as follows: firstly, after bag clamping operation is executed, closing of an air cylinder is confirmed, and then a button (bag clamping completion) on a touch screen is clicked, so that the system
Executing a dehumidification valve opening program;
② after the feeding is finished, taking out the ton bag (namely the raw material bag), then clicking a button on the touch screen (finishing the feeding), and executing the system to close the valve
And (4) a dust removal program, wherein the dust removal valve is closed after the dust removal time is 20 s.
Thirdly, the taken out ton bags are placed on a platform scale of a re-weigher for tare weighing.
Discrimination pass conditions (scan every 2 s): firstly, closing a feeding valve; secondly, the number of the platform scale is more than 1 kg; thirdly, weighing gross weight value of the coulter mixture to 30 kg; fourthly, the mixed weight fluctuation value of the coulter is less than 3kg (the judgment is carried out once every 2 seconds).
And jumping to step 6 after passing.
And 6: determination of feed amount
And (4) automatically calculating a feeding deviation value and displaying the whole feeding condition.
And skipping to step 7 after prompting.
And 7: data upload
And uploading the weighing data to a system and prompting.
And then jumping to an additive feeding interface (the next bag is operated, and the system judgment process is consistent).
In summary, in the system and method for controlling the feeding of the lithium battery positive electrode material, the actual weighing data of the raw material to be dispensed, which is transported by the transportation assembly, is measured, and the weighing deviation between the actual weighing data and the preset target weighing data is calculated; judging whether the weighing deviation is within a corresponding deviation threshold value, and if so, transporting the raw materials to be delivered to a preset feeding point; whether the transportation assembly transports the raw materials to be delivered to a feeding point is detected, if the raw materials to be delivered are detected, the raw materials to be delivered are transported to the feeding point, and the raw materials to be delivered are judged to be delivered into a receiving bin according to action pictures when the user feeds the raw materials, so that the error risk in the feeding process is effectively reduced, the error-proofing capability of the lithium battery anode material in the feeding process is improved, and the quality of the lithium battery anode material mixed materials is effectively controlled.
In a preferred scheme, the lithium battery positive electrode material feeding control system and method provided by the invention are provided with various fault judgment processes and corresponding prompts thereof, the system decision degree is high, and in the process of mixing materials, workers only need to operate step by step according to the system prompts, the foolproof measures are enhanced, and production accidents caused by improper operation in an intermediate link are avoided; the personnel training process is greatly simplified, no dependency is generated on skilled personnel, and any person can be put into a production post only through simple process training.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a lithium electricity cathode material throws material control system which characterized in that includes: the device comprises a control assembly, a weight measuring assembly, a transportation assembly, a position measuring assembly and a motion capturing assembly, wherein the control assembly is respectively connected with the weight measuring assembly, the transportation assembly, the position measuring assembly and the motion capturing assembly;
the weight measuring component is used for measuring the actual weighing data of the raw material to be dispensed conveyed by the conveying component and sending the actual weighing data of the raw material to be dispensed to the control component;
the control assembly is used for receiving actual weighing data of the raw materials to be dispensed, calculating weighing deviation between the actual weighing data of the raw materials to be dispensed and target weighing data of the raw materials to be dispensed, judging whether the weighing deviation is within a corresponding weighing deviation threshold value, and if the weighing deviation is within the corresponding weighing deviation threshold value, controlling the transportation assembly to transport the raw materials to be dispensed to a preset feeding point; the position measuring assembly is arranged at a preset feeding point and used for generating a first feedback signal to the control assembly when the conveying assembly is detected to convey the raw materials to be dispensed to the feeding point; the control component is also used for receiving the first feedback signal and controlling the motion capture component to collect motion pictures when the user throws materials according to the first feedback signal; the motion capture component is arranged at a feed inlet of the receiving bin and used for collecting and generating a second feedback signal to the control component according to a motion picture when a user feeds materials; the control component is also used for receiving and judging that the raw materials to be dispensed are delivered into a receiving bin according to the second feedback signal;
the motion capture assembly comprises a feeding tool with specific characteristics and used for feeding by a user, and a recognition camera which is arranged at the feeding port and used for recognizing the specific characteristics; the action photo is a photo containing a user using a feeding tool to perform feeding action;
the system comprises a control assembly, a material feeding tool, a color recognition camera, a control assembly and a control assembly, wherein the specific color is used as a specific characteristic, the color recognition camera is a color recognition camera, the material feeding tool is a glove with the specific color, the recognition camera is connected with the control assembly and is used for continuously collecting photos at the material feeding opening according to the control of the control assembly and judging whether the photos are action photos or not by recognizing whether the photos have the specific characteristic or not;
the motion capture component comprises a plurality of feeding tools which respectively have different specific characteristics and are respectively used for feeding different types of raw materials to be fed, the identification camera is used for identifying the types of the raw materials to be fed in the motion picture according to the specific characteristics in the motion picture and generating second feedback signals corresponding to the types of the raw materials to be fed to the control component, and the control component judges that the raw materials to be fed corresponding to the second feedback signals are fed according to the types of the received second feedback signals.
2. The lithium battery positive electrode material feeding control system according to claim 1, further comprising an acousto-optic prompter connected to the control assembly, wherein the weight measurement assembly comprises a first platform scale and a second platform scale, the first platform scale and the second platform scale are respectively connected to the control assembly, the actual weighing data comprises actual weighing data of the raw material to be dispensed, which is measured by the first platform scale and the second platform scale, the weighing deviation comprises a first weighing deviation and a second weighing deviation, and the weighing deviation threshold comprises the first weighing deviation and the second weighing deviation;
the transportation assembly is further used for transporting the raw materials to be dispensed to the first platform scale and the second platform scale in sequence for measurement, and the first platform scale and the second platform scale are both used for measuring actual weighing data of the raw materials to be dispensed and sending the measured actual weighing data to the control assembly; the control component is used for receiving actual weighing data measured by the first platform scale, calculating first weighing deviation of the actual weighing data and target weighing data measured by the first platform scale, judging whether the first weighing deviation is within a preset first weighing deviation threshold value, if not, controlling an acousto-optic prompter to prompt a user that the actual measuring data of raw materials to be distributed and the raw material data to be distributed provided by a supplier have deviation, if so, controlling the transportation component to transport the raw materials to be distributed to the second platform scale, receiving actual weighing data measured by the second platform scale, calculating second weighing deviation between the actual weighing data measured by the second platform scale and the actual weighing data measured by the first platform scale, judging whether the second weighing deviation is within a preset second weighing deviation threshold value, and if not, judging that the measurement is wrong, and controlling an acousto-optic prompter to prompt a worker to check the scale, and if so, controlling the transportation assembly to transport the raw materials to be dispensed to the feeding point.
3. The lithium battery positive electrode material feeding control system according to claim 2, wherein the position measurement assembly comprises a code scanner arranged at the feeding point and a delivery code arranged on a raw material bag of the raw material to be dispensed, the code scanner is used for identifying the delivery code on the raw material bag transported by the transportation assembly and comparing the delivery code with the delivery code on the raw material bag of the raw material to be dispensed, if the delivery codes are consistent, an acousto-optic prompter is used for prompting a worker to use a feeding tool to feed the raw material, and if the delivery codes are inconsistent, the worker is prompted to deviate the raw material to be dispensed in the transportation process.
4. The lithium battery positive electrode material feeding control system according to claim 3, further comprising a weight checking assembly disposed at a bottom end of the receiving bin, wherein the weight checking assembly is connected to the control assembly; the weight rechecking component is used for counting the actual delivery weight of the raw material to be delivered into the receiving bin, sending the actual delivery weight to the control component, further calculating the delivery weight deviation between the actual delivery weight of the raw material to be delivered and the actual weighing data, judging whether the delivery weight deviation is within a delivery deviation threshold value, and judging that the delivery material is delivered smoothly when the delivery weight deviation is judged to be within a preset delivery deviation threshold value and the delivery of the raw material to be delivered is judged to be finished; when the delivery weight deviation is judged not to be within a preset delivery deviation threshold value, and the raw material to be delivered is judged to be delivered completely, the raw material to be delivered is judged to have unsmooth discharging or raw material loss in the process of entering the receiving bin from the receiving port, and an acousto-optic prompter is controlled to prompt a worker to measure the material leakage of the receiving bin.
5. A lithium battery positive electrode material feeding control method is characterized by comprising the following steps:
measuring actual weighing data of raw materials to be dispensed transported by a transport assembly, and calculating weighing deviation between the actual weighing data and preset target weighing data;
judging whether the weighing deviation is within a corresponding weighing deviation threshold value, and if so, transporting the raw materials to be dispensed to a preset feeding point;
detecting whether the transportation assembly transports the raw material to be delivered to a feeding point, if so, judging whether the raw material to be delivered enters a receiving bin according to an action picture of whether a user feeds the raw material or not;
the motion capture assembly comprises a feeding tool with specific characteristics and used for feeding by a user, and a recognition camera which is arranged at the feeding port and used for recognizing the specific characteristics; the action photo is a photo containing a user using a feeding tool to perform feeding action;
the system comprises a control assembly, a charging tool, a specific color identification camera, a charging tool and a control assembly, wherein the specific color is used as a specific characteristic, the color identification camera is a color identification camera, the charging tool is a glove with the specific color, the identification camera is connected with the control assembly and is used for continuously collecting photos at the charging opening according to the control of the control assembly and judging whether the photos are action photos or not by identifying whether the photos have the specific characteristic or not;
the motion capture component comprises a plurality of feeding tools which respectively have different specific characteristics and are respectively used for feeding different types of raw materials to be fed, the identification camera is used for identifying the types of the raw materials to be fed in the motion picture according to the specific characteristics in the motion picture and generating second feedback signals corresponding to the types of the raw materials to be fed to the control component, and the control component judges that the raw materials to be fed corresponding to the second feedback signals are fed according to the types of the received second feedback signals.
6. The lithium battery positive electrode material feeding control method according to claim 5, wherein the step of judging whether the weighing deviation is within a weighing deviation threshold value corresponding to the weighing deviation comprises the following specific steps:
measuring actual weighing data of the raw material to be dispensed by using a first platform scale, calculating a first weighing deviation of the actual weighing data and target weighing data measured by the first platform scale, judging whether the first weighing deviation is within a preset first weighing deviation threshold value, and if not, controlling an acousto-optic prompter connected with the control assembly to prompt; if so, controlling the transportation assembly to transport the raw materials to be dispensed to a second platform scale;
and using actual weighing data of the raw materials to be dispensed by a second platform scale, calculating second weighing deviation of the actual weighing data and target weighing data measured by the second platform scale, judging whether the second weighing deviation is within a preset second weighing deviation threshold value, if so, controlling the transportation assembly to transport the raw materials to be dispensed to the feeding point, otherwise, judging that the measurement of the electronic scale is wrong, and controlling the acousto-optic prompter to prompt a worker to perform scale correction.
7. The lithium battery positive electrode material feeding control method according to claim 6, wherein the step of detecting whether the transportation assembly transports the raw material to be dispensed to a feeding point comprises the following steps:
through setting up the bar code scanner of throwing the material point discerns the yard of leaving warehouse on the raw materials bag that the transportation subassembly transported, and will the yard of leaving warehouse is compared with the yard of leaving warehouse on the raw materials bag of waiting to deliver raw materials, if the yard of leaving warehouse is unanimous, then uses the material apparatus of throwing to throw the material through the suggestion ware suggestion staff, if inconsistent, then suggestion staff transports and has the mistake.
8. The lithium battery positive electrode material feeding control method according to claim 7, wherein after judging whether the raw material to be dispensed is fed into the receiving bin according to a motion picture of a user during feeding, the method further comprises the following steps:
counting the actual delivery weight of the raw material to be delivered into the receiving bin, sending the actual delivery weight to the control component, and further calculating the delivery weight deviation between the actual delivery weight of the raw material to be delivered and the actual weighing data;
judging whether the delivery weight deviation is within a delivery deviation threshold value, and judging that the delivery of the delivered materials is smooth when judging that the delivery weight deviation is within a preset delivery deviation threshold value and judging that the delivery of the raw materials to be delivered is finished; when the delivery weight deviation is judged not to be within a preset delivery deviation threshold value, and the raw material to be delivered is judged to be delivered, the raw material to be delivered is judged to have unsmooth discharging or raw material loss in the process of entering the receiving bin from the receiving port, and an acousto-optic prompter is controlled to prompt the staff to carry out the receiving bin leakage measurement.
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