CN202870560U - Lithium battery production line control device with intelligent monitoring system - Google Patents

Lithium battery production line control device with intelligent monitoring system Download PDF

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Publication number
CN202870560U
CN202870560U CN 201220612537 CN201220612537U CN202870560U CN 202870560 U CN202870560 U CN 202870560U CN 201220612537 CN201220612537 CN 201220612537 CN 201220612537 U CN201220612537 U CN 201220612537U CN 202870560 U CN202870560 U CN 202870560U
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CN
China
Prior art keywords
lithium battery
signal
production line
battery production
circuit
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Expired - Fee Related
Application number
CN 201220612537
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Chinese (zh)
Inventor
周放
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUNAN SILING OF INDUSTRIAL CONTROL TECHNOLOGY Co Ltd
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HUNAN SILING OF INDUSTRIAL CONTROL TECHNOLOGY Co Ltd
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Priority to CN 201220612537 priority Critical patent/CN202870560U/en
Application granted granted Critical
Publication of CN202870560U publication Critical patent/CN202870560U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a lithium battery production line control device with an intelligent monitoring system, and the device comprises a signal acquisition module, a signal conditioning circuit, a filter circuit, a programmable logic controller (PLC), an LCD (Liquid Crystal Display), a keyboard, a caution light and regulating devices, wherein the signal acquisition circuit, the signal conditioning circuit, the filter circuit and the PLC are orderly connected in series, and the PLC is respectively connected with the LCD, the keyboard, the caution light and the regulating devices. When the control device is adopted, the conditions of each link of the lithium battery production line are monitored in real time by a sensor, the detected signal is input to the intelligent detecting system, and all the regulating devices are correspondingly controlled after the signal is identified and analyzed by the intelligent detecting system, so that the lithium battery production line has a certain automatic regulation level, automation level and safety of the lithium battery production line are improved, the defective rate of lithium battery production is reduced, simultaneously, hand labor is saved, and the resource consumption is reduced.

Description

A kind of lithium battery production line control device with intelligent monitor system
Technical field
The utility model relates to lithium battery production line field, is specifically related to a kind of lithium battery production line control device with intelligent monitor system.
Background technology
Lithium battery is that a class is negative material, the battery that uses non-aqueous electrolytic solution by lithium metal or lithium alloy.Because the chemical characteristic of lithium metal is very active, so that the processing of lithium metal, preservation, use are very high to environmental requirement.Along with the development of twentieth century microelectric technique, the equipment of miniaturization is increasing, and power supply has been proposed very high requirement, and lithium battery has entered the large-scale practical stage thereupon.Lithium battery is widely used in all many-sides such as communication tool, digital household appliances, accumulation power supply system and the vehicles at present.Along with reaching generally with its distinctive performance advantage, uses lithium ion battery, and also more and more higher to its production requirement.
The main flow process of modern lithium battery production line is comprised of following components: batch mixing-coating-roll-in-cut-reel/lamination-assembling-fluid injection-change into-partial volume, its production run is divided into following four-stage: smelting, semi-manufacture, thermal treatment, alloy coarse crushing and packing.Each production link of general lithium battery is finished by workman's operation; between each work post by producing group leader's overall arrangement; it is larger that the lithium battery quality is affected by interference from human factor; the bad defect rate that produces is larger; on the other hand; after the lithium cell core overcharged voltage is higher than certain voltage; can begin to have side effects; overcharged voltage is higher; danger is also and then high; lithium atom quantity remaining in the positive electrode is less than half; this moment, memory location often can collapse; allow battery capacity produce nonvolatil decline; if continue charging; because the memory location of negative pole has been filled lithium atom; follow-up lithium metal can be piled up in the negative material surface; these lithium atoms can grow ingotism toward the direction that lithium ion comes by negative terminal surface; these lithium metallic crystals can pass diaphragm paper; make the both positive and negative polarity short circuit, sometimes just first blast of battery before short circuit occurs, this is because overcharging process; the materials such as electrolytic solution can cracking produce gas; so that battery case or pressure valve blow-up are broken, oxygen reacts with the lithium atom that is deposited in negative terminal surface, and then blast.
The utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of automatization level high, the safe and reliable lithium battery production line control device with intelligent monitor system.
The technical scheme that the utility model solves the problems of the technologies described above is: a kind of lithium battery production line with intelligent monitor system is empty, it comprises signal acquisition module, signal conditioning circuit, filtering circuit, programmable logic controller PLC, LCD display, keyboard, warning lamp and regulating device, described signal acquisition circuit, signal conditioning circuit, filtering circuit, programmable logic controller PLC is connected in series successively, signal acquisition circuit is delivered to signal conditioning circuit to the signal that collects and is nursed one's health, the signal of nursing one's health is delivered to programmable logic controller PLC after filtering circuit filtering, programmable logic controller PLC respectively with LCD display, keyboard, warning lamp and regulating device link to each other.
Above-mentioned signal acquisition module comprises temperature sensor, humidity sensor, gas sensor, pressure transducer.
Above-mentioned filtering circuit comprises a second-order low-pass filter.
Above-mentioned a kind of lithium battery production line control device with intelligent monitor system also comprises data storing/print module.
The beneficial effects of the utility model are:
1, the utility model carries out the whole process monitoring and follows the tracks of control each production link process by sensor in the course of the work, can compare and send corresponding alerting signal by PLC, and the regulating and controlling device carries out corresponding adjusting to it simultaneously.
2. the utility model is connected with PC and is furnished with printing/storage interface, can preserve or print state value.
3, the utility model is controlled take programmable logic controller PLC as core, has input and feedback function, has improved the automatization level of production line, and its reliability and antijamming capability can both be guaranteed.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 1, the utility model comprises signal acquisition module, signal conditioning circuit, filtering circuit, programmable logic controller PLC, LCD display, keyboard, warning lamp, data storing/print module and regulating device, described signal acquisition circuit, signal conditioning circuit, filtering circuit, programmable logic controller PLC is connected in series successively, programmable logic controller PLC respectively with LCD display, keyboard, warning lamp, data storing/print module and regulating device link to each other, programmable logic controller (PLC) PLC carries out identification to the signal that receives from filtering circuit, analyze and process, the result who obtains regulates the corresponding link of production line by regulating device, the control warning lamp shows current production status, and the state with real-time control shows by LCD display simultaneously.。
The detection signal that lithium battery is produced stages mainly contains the following aspects: in the smelting process to its composition and impurity content detection signal; Alloy institutional framework and impurity input in the semi-manufacture process, chemical constitution alloy composition should with the detection signal of design composition phase comparison signal, electrochemistry capacitance; In the heat treatment process, to the pressure detecting signal of the detection signal of this process oxygen and argon gas, heat treated temperature detection signal, processing platform; The electrochemistry capacitance of the composition of the detection signal of argon gas, alloyed powder and impurity content detection signal, alloy and charge-discharge characteristic detection signal in alloy coarse crushing, powder process and the packing overall process.
Signal acquisition circuit is comprised of a plurality of sensors, comprise temperature sensor, humidity sensor, gas sensor, pressure transducer etc., disturbing from external environment condition, the factor of conditioning equipment own that sensor signal out arrives in the equipment course of work is more, and the filtering of undesired signal is significant for Measurement accuracy temperature, humidity and gas componant.Signal acquisition circuit is delivered to signal conditioning circuit to the signal that collects and is nursed one's health, before signal enters programmable logic controller (PLC) PLC, at first tackle it and carry out filtering, in filtering circuit, adopt a second-order low-pass filter, this wave filter is filtering interference signals preferably, and the signal that signal conditioning circuit sends is delivered among the programmable logic controller PLC after filtering circuit filtering.
Programmable logic controller (PLC) PLC essence is a kind of computing machine that is exclusively used in Industry Control, and its hardware configuration is basically identical with microcomputer, and basic comprising is: (1) power supply; (2) CPU (central processing unit) (CPU); (3) storer; (4) input/output interface circuit; (5) functional module; (6) communication module; Simultaneously, programmable logic controller (PLC) has following salient feature: (1) is easy to use, and simple (2) function of programming is strong, and the ratio of performance to price is high; (3) hardware is comprehensive, and the user is easy to use, strong adaptability; (4) reliability is high, and antijamming capability is strong; (5) design of system, installation, debugging work PLC have replaced the devices such as auxiliary reclays a large amount of in the relay control system, the time relay, counter with software function, and design, installation, the wiring workload of switch board are greatly reduced; (6) maintenance load is little, and is easy to maintenance, and failure rate is very low, and perfect self diagnosis and Presentation Function are arranged.Arranging mainly of programmable logic controller PLC parameter realizes by keyboard; comprise start, shutdown, on turn over, turn over down, Menu key, acknowledgement key, numeral raise key, digital down key, reset key, system lock key totally ten buttons; parameters setting need to after the controller energising, be finished before system's operation.After the controller energising, the user can enter parameter by Menu key master menu is set, set parameters after, press definite key, controller is according to institute's setting parameter operation, otherwise controller by last time institute's setting parameter move.
The utility model adopts three warning lamps, can show normal operation, system loads, three kinds of states of system's warning.When following situation occurring, system is warned immediately: (a) composition and impurity content detect and surpass setting value; (b) alloy microstructure and impurity surpass the detection that setting value (c) chemical constitution alloy composition should compare with design composition signal above setting value (d) electrochemistry capacitance and surpass setting value; (e) detection signal of oxygen and argon gas surpasses detection signal that pressure detecting signal that the heat treated temperature detection signal of setting value (f) surpasses setting value (g) processing platform surpasses argon gas in the coarse crushing of setting value (h) alloy, powder process and the packing overall process and surpasses the composition of setting value (i) alloyed powder and electrochemistry capacitance that the impurity content detection signal surpasses setting value (j) alloy and charge-discharge characteristic detection signal and surpass setting value (k) and surpass maintenance prompt.Quality for product processing quality is finally carried out voltage detecting by corresponding measure and control device to lithium battery: the supply voltage between the lithium battery positive and negative electrode is after voltage detection device detects, be sent in the PLC and compare with the lithium primary cell voltage that presets, by PLC it is judged that whether lithium battery is qualified, is transferred to the result in the pulpit simultaneously again.
After system's operation, PLC at first analyzes the signal of each routing sensor input, sensor output value exceeds setting range or does not have output information, then system indicator is reported to the police and can not be started shooting operation, show the specifying information of makeing mistakes in LCD display simultaneously, rerun after must reset this moment by reset key.PLC goes the rounds to detect to signals such as each road temperature, pressure in operational process in real time, surpasses the warning settings if detect signal, and system indicator is reported to the police.Equally, if super warning of emm message arranges, controller also must be reported to the police and be shown specifying information.After each the warning, if will continue to move this system and device, rerun after must resetting by reset key.In operational process, during if there is the situation of emergent stopping, PLC needs in time each opertaing device outage, chaser appears and after, want to continue this system and device of operation, rerun after must resetting by reset key.
It is normal mode of operation, maintenance pattern, information prepattern, back-stage management pattern that this device need arrange four kinds of mode of operations.This device detects the inspection of raw and process materials in the Production Process of Lithium Battery, batching check, the inspection of semifinished product, vacuum or inflated with nitrogen package test and product inspection process by sensor, and the result of Real-Time Monitoring, check is delivered in the pulpit, the operator can instruct production run by feedack, simultaneously the supvr also can be according to every data of product, and production is instructed comprehensively and improved.
The utility model is by the situation of each production link of sensor Real-Time Monitoring lithium battery production line, the signal that detects is input among the programmable logic controller PLC after through conditioning, filtering, PLC is digital signal with analog signal conversion, and carry out identification, analysis and processing for digital signal, the result who obtains regulates the corresponding link of production line by regulating device, the control warning lamp shows current production status, and the state with real-time control shows by LCD display simultaneously; PLC is connected with the PC network communication interface by Ethernet, and preserving/print also to correlated results, building database stores it.So that the lithium battery production line has certain automatic adjusting level, improved the gentle security of Automated water that lithium battery is produced thus, reduced the defect rate that lithium battery is produced, saved simultaneously hand labor, reduced resource consumption.

Claims (4)

1. lithium battery production line control device with intelligent monitor system, it is characterized in that: comprise signal acquisition module, signal conditioning circuit, filtering circuit, programmable logic controller PLC, LCD display, keyboard, warning lamp and regulating device, described signal acquisition circuit, signal conditioning circuit, filtering circuit, programmable logic controller PLC is connected in series successively, signal acquisition circuit is delivered to signal conditioning circuit to the signal that collects and is nursed one's health, the signal of nursing one's health is delivered to programmable logic controller PLC after filtering circuit filtering, programmable logic controller PLC respectively with LCD display, keyboard, warning lamp and regulating device link to each other.
2. a kind of lithium battery production line control device with intelligent monitor system according to claim 1, it is characterized in that: described signal acquisition module comprises temperature sensor, humidity sensor, gas sensor, pressure transducer.
3. a kind of lithium battery production line control device with intelligent monitor system according to claim 1, it is characterized in that: described filtering circuit comprises a second-order low-pass filter.
4. a kind of lithium battery production line control device with intelligent monitor system according to claim 1 is characterized in that: also comprise data storing/print module.
CN 201220612537 2012-11-20 2012-11-20 Lithium battery production line control device with intelligent monitoring system Expired - Fee Related CN202870560U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220612537 CN202870560U (en) 2012-11-20 2012-11-20 Lithium battery production line control device with intelligent monitoring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220612537 CN202870560U (en) 2012-11-20 2012-11-20 Lithium battery production line control device with intelligent monitoring system

Publications (1)

Publication Number Publication Date
CN202870560U true CN202870560U (en) 2013-04-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103707428A (en) * 2013-12-31 2014-04-09 镇江市港南电子有限公司 Monitoring device of silicon wafer collection equipment
CN112099477A (en) * 2020-11-05 2020-12-18 天能电池集团股份有限公司 Fault tracing method in lithium ion battery production process

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103707428A (en) * 2013-12-31 2014-04-09 镇江市港南电子有限公司 Monitoring device of silicon wafer collection equipment
CN112099477A (en) * 2020-11-05 2020-12-18 天能电池集团股份有限公司 Fault tracing method in lithium ion battery production process
CN112099477B (en) * 2020-11-05 2021-02-02 天能电池集团股份有限公司 Fault tracing method in lithium ion battery production process

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130410

Termination date: 20141120

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