CN105633334A - Method for automatically controlling pole piece actual compaction density consistency and control method - Google Patents
Method for automatically controlling pole piece actual compaction density consistency and control method Download PDFInfo
- Publication number
- CN105633334A CN105633334A CN201510904179.8A CN201510904179A CN105633334A CN 105633334 A CN105633334 A CN 105633334A CN 201510904179 A CN201510904179 A CN 201510904179A CN 105633334 A CN105633334 A CN 105633334A
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- China
- Prior art keywords
- pole piece
- roll
- density
- pressure
- surface density
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a method for automatically controlling pole piece actual compaction density consistency. The pole piece surface density and changes are tested by a two-sided transmission type beta sensor; the test data is transmitted to a data analysis processing system through a data transmission network; the data analysis processing system compares the received data with a production pole piece surface density standard control valve, sends an instruction to a roller pressing system for adjusting the magnitude of pressure according to the data difference, and enables the roller pressing moment pressure to be in one-to-one correspondence with the thickness changes of the pole piece, so that the actual compaction density consistency of the pole piece in the roller pressing process can be realized, and the consistency of the compression density of the material in each position of the pole piece is ensured.
Description
Technical field
The method of a kind of pole piece roll-in of disclosure, particularly a kind of automatically controls the method that pole piece compaction density is consistent.
Background technology
The rolling of battery pole piece refers in roll squeezer, the frictional force produced between roll and battery pole piece draw between the upper roller system of rotation and lower roll system, the process of battery pole piece compressive deformation. The rolling of battery pole piece be on a positive/negative plate battery material and base material in conjunction with the process of compacting, its object is to increase the compacted density of negative or positive electrode material, battery material and base material bond strength directly determine the cycle life of battery, and owing to battery material and base material are not materials of the same race, can be easily separated, it is not easy to ensure compacted density.
The roll squeezer of rolling battery pole piece is in the operation of rolling, compacted density is ensured by the time of the contact area between increase battery pole piece and roll, prolongation compacting, the mode currently mainly taked is to increase the diameter of roll, although this way can play certain effect, but due to the restriction of production cost, within the roller diameter of roll squeezer is limited in �� 800mm so far. Another way is to enter at battery pole piece to be respectively provided with pressure roller before and after roll, presses under battery pole piece so that battery pole piece, before and after the gap by upper roller system and lower roll system, increases with the contact area of lower roll system, is equivalent to increase the equivalent diameter of roll. Although this mode can control upper roller system and lower roll system gap between the two and pressure to a certain extent, but the stress that battery pole piece is between upper roller system and lower roll system is all relatively short from discrete time, owing to the pressure of battery pole piece is made battery pole piece be subject to bigger extension pulling force by pressure roller, cause the deformation of battery material, affect compacted density and uniformity.
It is all ensure roll-in situation in the time of the contact area increased between battery pole piece and roll, prolongation compacting with superior pole piece rolling methods, and equipment pressure setting is a fixed value, when pole piece carrys out this rolling equipment when change occurs in charge level density, the concordance of the roll-in of pole piece cannot be adjusted in time.
Summary of the invention
For existing production process technology contents mentioned above, the present invention provides a kind of new control conforming method of pole piece roll-in, and particularly coating pole piece thickness controls the consistency problem of pole piece actual roll-in intensity when changing. Native system includes pole piece roll-in system, two-sided penetration Beta sensor, data transmission network, Data Analysis Services system.
This invention address that its technical problem the technical scheme is that to survey according to two-sided penetration Beta sensor
Examination pole piece surface density and change thereof, test data send Data Analysis Services system to by data transmission network, the data of reception are compared by Data Analysis Services system with producing pole piece surface density standard control value, regulate the instruction of pressure size to roll-in system one according to data difference, and make roll-in instantaneous pressure and pole piece thickness change one_to_one corresponding, thus it is consistent to reach actual compacted density during pole piece roll-in, ensure the concordance of pole piece material compaction intensity everywhere.
This invention address that the technical scheme that its technical problem adopts further comprises: described pole piece roll-in system, including unreeling structure, rolling-up mechanism and rolling mechanism, described rolling mechanism includes upper roller system, lower roll system and strip auxiliary device and pressure regulating system.
Described two-sided penetration Beta sensor is a kind of non-contact precision detecting instrument, and after being arranged on baking oven, on coating line, fringe resolution is 1/32 ' ', response time 5 milliseconds, measure thickness range: 15-500gsm, accuracy of detection: �� 0.2%.
Pole piece before roll-in is carried out surface density detection by two-sided penetration Beta sensor, sends Data Analysis Services system by measuring the surface density data obtained to by data transmission network;
The surface density data collected and production standard controlling value are analyzed by Data Analysis Services system, are automatically adjusted roll-in system pressure according to production standard pressure size, make the real compaction plane of pole piece density stabilized in critical field; Thus ensureing the concordance of pole piece compaction plane density everywhere.
Pole piece compaction density automatic control system simple in construction of the present invention, reasonable in design, it is provided that a kind of Novel pole piece rolling methods, widen the control mode of pole piece roll-in. The system that adds adjusts pressure size process automatically, and when have adjusted other equipment roll-ins, pressure is the phenomenon of fixed value, it is achieved that the concordance of pole piece actual compacted density everywhere, ensures the concordance on pole piece structure, makes equipment more intelligent.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of whole control system.
In figure, 1-unreeling structure, 2-upper roller system, 3-lower roll system, 4-rolling-up mechanism, the two-sided penetration Beta sensor of 5-, 6-Data Analysis Services system, 7-pressure regulating system.
Detailed description of the invention
The present embodiment is the preferred embodiment for the present invention, and other its principles all are identical with the present embodiment or approximate with basic structure, all within scope.
The invention mainly comprises pole piece roll-in system, two-sided penetration Beta sensor, data transmission network, Data Analysis Services system.
Automatically control compacted density coherence method as follows: 1, according to pole piece index plane density M0, set rolling pressure P by the actual compacted density designed0��
2, regulate tape running speed, control pole piece from test point to the roll-in intermittent motion time.
3, in roll-in system, pressure regulating system sets different pressures sizes values by the change of 1%.
Surface density and pressure comparison table
| Pole piece surface density M=K*M0 | Pressure size/P | Action command |
| 0.95<K��0.97 | 0.98*P0 | A |
| 0.97<K��0.99 | 0.99*P0 | B |
| 0.99<K��1.01 | 1.00*P0 | C |
| 1.01<K��1.03 | 1.01*P0 | D |
| 1.03<K��1.05 | 1.02*P0 | E |
3, by two-sided penetration Beta sensor measurement pole piece surface density, surface density data send Data Analysis Services system to by data transmission network; Data Analysis Services system provides corresponding actions instruction.
4, the corresponding corresponding pressure size of corresponding actions instruction, it is knot adjustment that pressure regulates process control, namely first up-down rollers is shut down when increase and decrease presses and makees carrying out, works on after pressure reaches specified value.
When adopting the present invention, we can pass through the uniformity of the how many preliminary judgement pole piece supplied materials of nipping process suspending count, simultaneously by data analysis process system is studied the practical situation of pole piece surface density. By the grade of pressure size is processed, it is achieved that to the guarantee that the actual compacted density of its roll-in is consistent during pole piece uneven thickness.
Claims (7)
1. the present invention a kind of automatically controls the method that the actual compacted density of pole piece is consistent, it is characterised in that by detecting the real data of pole piece surface density before roll-in, adjusts rolling equipment pressure size, ensures the concordance of the pole piece actual compacted density of each point material.
2. according to claim 1, the detection of pole piece surface density is on-line continuous detection, and its method includes two-sided penetration Beta sensor testing method, laser thickness detection and other all can continuous detecting calculate the detection equipment of surface density.
3. according to claim 1, rolling equipment is a complete roll-in system, including unreeling system, winding system, upper roller system, lower roll system and brush dust equipment, also including pressure regulating system simultaneously.
4. according to claim 3, upper roller system and lower roll system also include the hot-pressing roller being heated.
5. according to claim 3, pressure regulating system is with normal pressure for reference point, according to instruction, pressure is carried out stagewise setting.
6. according to claim 1, pole piece refers to that all require over roll-in and control the product, particularly various battery material both positive and negative polarity pole pieces of product thickness, such as lithium ion battery, ni-mh, NI-G, lead-acid battery;
According to claim 1, this pole piece also includes condenser plate.
7. according to claim 1, this pole piece also at battery diaphragm from product after coating material on film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510904179.8A CN105633334A (en) | 2015-12-09 | 2015-12-09 | Method for automatically controlling pole piece actual compaction density consistency and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510904179.8A CN105633334A (en) | 2015-12-09 | 2015-12-09 | Method for automatically controlling pole piece actual compaction density consistency and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105633334A true CN105633334A (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510904179.8A Pending CN105633334A (en) | 2015-12-09 | 2015-12-09 | Method for automatically controlling pole piece actual compaction density consistency and control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107245928A (en) * | 2017-07-06 | 2017-10-13 | 河海大学 | A kind of bituminous pavement paving compacted depth determines device and measuring method |
| CN108336297A (en) * | 2017-12-29 | 2018-07-27 | 惠州市纬世新能源有限公司 | A kind of method for preparing lithium ion battery pole pieces |
| CN108666522A (en) * | 2018-04-05 | 2018-10-16 | 桐乡市洲泉佳力塑料制品厂 | A kind of self-feeding system for compacting |
| CN109226276A (en) * | 2018-11-13 | 2019-01-18 | 中国重型机械研究院股份公司 | A kind of roll squeezer control method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393229A (en) * | 2014-07-31 | 2015-03-04 | 中天储能科技有限公司 | Automatic control system and control method for compaction density of pole piece |
-
2015
- 2015-12-09 CN CN201510904179.8A patent/CN105633334A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104393229A (en) * | 2014-07-31 | 2015-03-04 | 中天储能科技有限公司 | Automatic control system and control method for compaction density of pole piece |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107245928A (en) * | 2017-07-06 | 2017-10-13 | 河海大学 | A kind of bituminous pavement paving compacted depth determines device and measuring method |
| CN109667212B (en) * | 2017-07-06 | 2021-04-16 | 河海大学 | Method for measuring paving compaction thickness of asphalt pavement |
| CN109667212A (en) * | 2017-07-06 | 2019-04-23 | 河海大学 | A kind of measurement method of bituminous pavement paving compacted thickness |
| CN107245928B (en) * | 2017-07-06 | 2019-05-24 | 河海大学 | A kind of bituminous pavement paving compacted thickness measurement device |
| CN108336297A (en) * | 2017-12-29 | 2018-07-27 | 惠州市纬世新能源有限公司 | A kind of method for preparing lithium ion battery pole pieces |
| CN108336297B (en) * | 2017-12-29 | 2021-10-08 | 惠州市纬世新能源有限公司 | Preparation method of lithium ion battery pole piece |
| CN108666522B (en) * | 2018-04-05 | 2020-12-11 | 绍兴柯桥神六针织摇粒有限公司 | Automatic pay-off compacting mechanism |
| CN112366290A (en) * | 2018-04-05 | 2021-02-12 | 盐城盛浩电力设备有限公司 | Working method of automatic feeding compaction mechanism |
| CN112447935A (en) * | 2018-04-05 | 2021-03-05 | 盐城盛浩电力设备有限公司 | Automatic pay-off compaction device |
| CN112447935B (en) * | 2018-04-05 | 2021-09-14 | 江苏驰晟建设工程有限公司 | Automatic pay-off compaction device |
| CN108666522A (en) * | 2018-04-05 | 2018-10-16 | 桐乡市洲泉佳力塑料制品厂 | A kind of self-feeding system for compacting |
| CN112366290B (en) * | 2018-04-05 | 2021-10-12 | 江苏扬光机械制造有限公司 | Working method of automatic feeding compaction mechanism |
| CN109226276A (en) * | 2018-11-13 | 2019-01-18 | 中国重型机械研究院股份公司 | A kind of roll squeezer control method |
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