CN105355988B - A kind of lead acid accumulator pole group chip select method for group matching - Google Patents
A kind of lead acid accumulator pole group chip select method for group matching Download PDFInfo
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- CN105355988B CN105355988B CN201510782514.1A CN201510782514A CN105355988B CN 105355988 B CN105355988 B CN 105355988B CN 201510782514 A CN201510782514 A CN 201510782514A CN 105355988 B CN105355988 B CN 105355988B
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
- H01M10/12—Construction or manufacture
- H01M10/14—Assembling a group of electrodes or separators
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a kind of lead acid accumulator pole group chip select method for group matching, comprise the following steps：(1) weigh to all positive plates for participating in combo, n separation is selected in the big section between maximum weight and minimum weight, by the big interal separation into n+1 weight section, n >=2；(2) according to the weight of positive plate, classified with the weight section difference fallen into it；(3) negative plate, positive plate and partition plate are assembled into poling group, the positive plate in the group of same pole be in same weight section, and selects the partition plate of respective thickness so that the assembling pressure of each pole group in same storage battery falls into same section.Disposably complete to claim piece using the method for the present invention, improve work efficiency；For the positive plate in different weight section, the partition plate of respective thickness is chosen, ensures identical assembling pressure value, ensures battery consistency, extends the cycle life of storage battery.
Description
Technical field
The present invention relates to storage battery manufacturing technology field, and in particular to a kind of lead acid accumulator pole group chip select method for group matching.
Background technology
During lead-acid storage battery production, to obtain high capacitance, there are two methods：The first kind is direct increase pole
Plate bulk, the second class is by existing small pole plate multi-disc and connects together, then single battery is contacted, i.e. mutual capacitance amount (Ah)
Increase.People generally use the second class, because only producing single pole plate model with regard to that can make the batteries of multiple models.But pole plate
Between weight difference it is too big, arbitrarily assemble battery consistency cannot be guaranteed, capacitance (Ah) difference is big, the service life of battery
With regard to short.This just promotes with sheet mode is claimed, and weight is basically identical between making battery cell, and the capacitance (Ah) so provided is with regard to basic one
Cause, there will be no the phenomenon generation of super-charge super-discharge, the service life of battery in charge and discharge process just to grow.
Electric bicycle batteries positive plate claims piece manufacturing process till now, and various title tablet modes are presented, main
There are following several operator schemes：(1) traditional pole group weighing mode；(2) machine monolithic is weighed, then manually by pole group weight into
Row collocation；(3) blade technolgy is not claimed.Currently used is second method, with artificial and electric bicycle batteries Special semi-automatic
The working method that plate weighing machine combines：Positive/negative plate in storage battery is weighed, rejects overweight after weighed amount and kicks the beam
Pole plate, and satisfactory pole plate grade classification by weight is collected respectively into some shelves, then by class, then according to single pole
Pole plate number carrys out combo needed for group, is also the method for making up the number or amount, although the method ensure that single pole group weight is basically identical, but can go out
Existing pole plate weight mismatch, causes pole group's assembling pressure inconsistent, and causing battery list only to fall behind influences the service life.By such a side
Method carries out combo of weighing, and combo of not only weighing weight error is big, and efficiency is low, aligns positive and negative pole active matter ratio and positive and negative anodes
Whether plate weight discharging modes anti-current corrosion and reduce cost, assembling pressure etc. and owe fastidious.
The patent document of Application No. 201310601950.5 discloses a kind of sorting combo of power lead-acid storage battery group
Method, carries out pole plate separating according to pole plate weight first, sub-elects quality difference value and is assembled into monomer electricity less than the pole plate of setting value
Pond, it is ensured that the uniformity of the weight of pole group in each single battery, then further according to needing to be assembled into single battery, and to assembling
Single obtained battery carries out repeated charge, by the voltage characteristic in charge and discharge process, selects some single battery combos
Form power lead-acid storage battery group.The sorting method for group matching of the power lead-acid storage battery group of the present invention, passes through pole plate separating and list
Battery combo combines, and the combo rate of power lead-acid storage battery group was improved 5% on the basis of original, to a certain extent
Solve the situation that battery list only falls behind, reduce single probability for only falling behind phenomenon appearance, make the use of power lead-acid storage battery group
Service life improves 15~20%.The inventive method only selects the positive/negative plate in a certain weight range to be combined, and weight pole
Difference is only 1g, and the pole plate weight in actual production is very poor larger, if screening will exclude a large amount of poles according to the method described above
Plate, extreme loss is brought to production.
Therefore, accuracy, stability and automation journey of the lead-acid accumulator during pole plate weighs combo how to be improved
Degree, and improve pole plate weigh the rational weight discharging modes of combo, reduce production cost and the problems such as environmental pollution, become
Those skilled in the art's urgent problem to be solved.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of lead acid accumulator pole group chip select method for group matching, ensure plumbic acid
The uniformity of each pole group in storage battery, extends the cycle life of storage battery.
A kind of lead acid accumulator pole group chip select method for group matching, comprises the following steps：
(1) weigh to all positive plates for participating in combo, in the big section between maximum weight and minimum weight
N separation is selected, by the big interal separation into n+1 weight section, n >=2；
(2) according to the weight of positive plate, classified with the weight section difference fallen into it；
(3) negative plate, positive plate and partition plate are assembled into poling group, the positive plate in the group of same pole is in same weight area
In, and selecting the partition plate of respective thickness so that the assembling pressure of each pole group in same storage battery falls into same section.
Lead acid accumulator pole group chip select method for group matching provided by the invention, classifies according to the different weight of positive plate first,
Further according to the partition plate of different weight interval selection respective thickness, then randomly select as needed in same weight section
Positive plate, using the partition plate clad anode plate of respective thickness, assembles poling group so that each pole in same storage battery with negative plate
The assembling pressure of group falls into same section.Packaging efficiency is not only effectively improved using such method for group matching, but also is ensured same
The uniformity of accumulator pole group.
Partition plate and pole plate are in close contact, and make to be stored in that the electrolysis liquid energy in partition plate is quick, is supplied to uniformly and sufficiently pole
Plate；In addition partition plate is close to pole plate to prevent active material from loosely coming off.But the assembling pressure of tension can cause to inhale sour space again
And the decline of imbibition rate, the fibre structure of partition plate is destroyed, causes partition plate to follow the string.Therefore, suitable assembling pressure is selected extremely
Close important.Major part storage battery production producer is using the partition plate cladding mode singly wrapped, i.e. partition plate clad anode plate, the two poles of the earth at present
There was only one layer of partition plate between plate.One elevated pressures is applied to the positive active material in storage battery, battery can be obviously prolonged
Service life cycle.
In order to ensure the uniformity of assembling pressure, the thickness of the thickness of stringent controlling plate, especially positive plate is answered, it is same
Cathode plate thickness, which should try one's best, in the group of pole is consistent.The thickness of pole plate can be determined by weighing the weight of pole plate.Assembling pressure
The ratio that power is often compressed by partition plate under dry state is weighed, and for the positive plate in different weight section, selects different-thickness
Partition plate so that finally load same internal storage battery each pole group assembling pressure fall into same section.
For the positive plate weight dispersiveness for participating in combo, by the big interal separation of maximum weight and minimum weight into some
The weight section of a decile, the upper weight limit in each weight section and the very poor of lower limit should try one's best in the numerical value for being maintained at small, from
And ensure by the uniformity of pole group's weight of same weight section positive plate assembling.Preferably, the length in the weight section
No more than 4g.The equal length in all wt section.
In actual production, the technological parameter of plate weighing machine is set according to the setting in above-mentioned weight section, after positive plate is weighed,
Fall into the collecting box in the weight section met.When assembling pole group, for the positive plate random combine in same collecting box.
Preferably, the n is not more than 4.The weight section of segmentation without excessive, weight section excessively increase operation into
This.More preferably, the n is equal to 2.
Improved with the development of weighing instruments, the accuracy weighed constantly lifts, and at present producer to produce small pole plate
Based on, in order to ensure that weight is consistent between the group of the pole of assembling, preferably, the weighing precision of the positive plate is 1g.
Preferably, the interval range of the assembling pressure of the pole group is 55~58kPa.Assembling pressure is controlled in this section
It is interior, effectively prevent active material from loosely coming off, and can ensure enough suction acid spaces.
Preferably, the thickness of the partition plate is 0.56~0.60mm.
Compared with prior art, the beneficial effect that the present invention possesses：(1) positive plate is carried out using the method for the present invention to weigh
Classification, to the partition plate of the positive plate selection respective thickness in same weight section, assembling pole group, avoids secondary title piece, carries
High workload efficiency, effectively reduces manually manufacture cost；(2) classify to the positive plate for participating in combo, in same weight area
Between positive plate be assembled in the group of same pole, ensure the uniformity of assembling pressure；(3) different weight cells is directed to, selects phase
The partition plate of thickness is answered, ensures that homopolarity group does not possess identical assembling pressure value；(4) ensured using the method for the present invention in storage battery
The uniformity of each pole group, improves accumulator property, extends the cycle life of storage battery.
Embodiment
With reference to specific embodiment, the invention will be further described, but protection scope of the present invention is not limited in
This.
Comparative example 1
The weight of one group of 20AH positive plate is weighed at random, is counted by subdivision, and the corresponding quantity of each gravimetric value is as follows：
Arrange in pairs or groups according to existing combo mode, 4 positive plates of each pole group have following possibility：
Table 1
| Weight is arranged in pairs or groups | 105~113 | 105~112 | 106~113 | 106~112 | 106~107 | 107~107 |
| Weight is very poor | 8g | 7g | 7g | 6g | 1g | 0g |
Claim piece interpretation of result：
Battery performance impacted, assembling to battery because of monolithic weight very poor big (8g as shown above) in the group of each pole
Pressure, battery with two side terminals energy, cycle performance, especially show that remanent life cyclic process has certain influence, are unfavorable for electricity
The uniformity in pond.
Inspect same batch pole group assembling pressure value by random samples at random, as shown in table 2, assembling pressure is very poor larger.
Table 2
Embodiment 1
First, in order to reduce, monolithic weight is not very poor big and cause the influence of battery performance in homopolarity group, the very poor control of weight
System is in the range of smaller.Scope of the maximum very poor control of positive plate weight in the group of pole within 0~3g, homopolarity group, which does not assemble, presses
Force difference value is controlled within 0~3kPa.
Method is as follows：
1st, it is referred to as 108~111g by blade technolgy parameter setting.
2nd, weight does not carry out arranged distribution by monolithic weight, and after meeting above-mentioned gravimetric value, falling into centre at random, any one is logical
In road, ensure the random dispersion of different weight pole plate.
3rd, light piece pole plate ＜ 108g are collected into case, are individually for a weight cell.
4th, weight pole plate ＞ 111g are collected into case, are individually for a weight cell.
Each positive plates maximum of pole group 4 is very poor to have following possibility：
Table 3
| Weight cell | ＜ 108g | 108~111 | ＞ 111g |
| Unit weight value | 104、105、106、107 | 108、109、110、111 | 112、113、114、115 |
| It is maximum very poor | 3g | 3g | 3g |
5th, according to different weight unit, choose the separator paper of corresponding specification, make not homopolarity group assembling pressure control 0~
Within 3kPa.
Detect assembling pressure result such as table 4.
Table 4
| Weight cell | ＜ 108g | 108~111 | ＞ 111g |
| Unit weight value | 104、105、106、107 | 108、109、110、111 | 112、113、114、115 |
| Partition plate thickness of paper mm | 0.60 | 0.58 | 0.56 |
| Assembling pressure kPa | 55~58 | 55~58 | 55~58 |
As shown in table 5, light piece, weight piece and intermediate weight unit internal polar plate accounting are 25%, 15% and 60%.It is disposable complete
Into piece is claimed, secondary title piece combo is not had to gently, again, whole work efficiency improves more than 40%, significantly reduces and be manually manufactured into
This.
Table 5
| Weight cell | ＜ 108g | 108~111 | ＞ 111g |
| Unit weight value | 104、105、106、107 | 108、109、110、111 | 112、113、114、115 |
| Accounting | 25% | 60% | 15% |
2nd, different weight 20AH collocation positive plates are assembled into battery, detect various aspects of performance, the results are shown in Table 6：
Table 6
| Weight is arranged in pairs or groups | ＜ 108g | 108~111 | ＞ 111g | Pole flock mating group | Do not claim piece |
| Discharge capacity 2Hr | 129min26s | 129min39s | 129min22s | 129min38s | 129min29s |
| Once discharge qualification rate | 93.2% | 94.0% | 92.8% | 93.6% | 91.5% |
| Cycle performance | 362 | 378 | 367 | 328 | 306 |
Table 6 is under conditions of active matter quality is identical with grid structure, matches somebody with somebody prescription using the chip select of the present embodiment
Method and traditional pole flock mating group and the performance comparison for not claiming the lead-acid accumulator that the method for piece assembles.The assembling of the present embodiment method
The discharge capacity of lead-acid accumulator and qualification rate of once discharging are roughly the same with the battery that conventional method assembles, but the present embodiment
The cycle-index of the lead-acid accumulator of method assembling is much larger than conventional method, shows to ensure electricity using the method for the present embodiment
Pond uniformity, extends cycle life.
Claims (2)
1. a kind of lead acid accumulator pole group chip select method for group matching, comprises the following steps：
(1) weigh to all positive plates for participating in combo, n is selected in the big section between maximum weight and minimum weight
A separation, by the big interal separation into n+1 weight section, 4 >=n >=2；
(2) according to the weight of positive plate, classified with the weight section difference fallen into it；
(3) negative plate, positive plate and partition plate are assembled into poling group, the positive plate in the group of same pole is in same weight section
It is interior, and select the partition plate of respective thickness so that the assembling pressure of each pole group in same storage battery falls into same section；
The length in the weight section is not more than 4g；The equal length in all wt section；
The weighing precision of the positive plate is 1g；
The thickness of the partition plate is 0.56~0.60mm；
The interval range of the assembling pressure of the pole group is 55~58kPa.
2. lead acid accumulator pole group chip select method for group matching as claimed in claim 1, it is characterised in that the n is equal to 2.
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| CN107768739A (en) * | 2017-10-19 | 2018-03-06 | 广州倬粤动力新能源有限公司 | A kind of manufacture craft of Environmental Protection Level carbon alloy battery |
| CN107976631B (en) * | 2017-11-01 | 2020-03-27 | 超威电源集团有限公司 | Method for testing current magnitude on negative plates with different weights |
| CN113178624B (en) * | 2021-03-03 | 2022-09-20 | 安徽力普拉斯电源技术有限公司 | High-consistency matching method for power batteries of electric road vehicles |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634584A (en) * | 2009-06-02 | 2010-01-27 | 江苏金帆电源科技有限公司 | Classification and group matching methods based on multi weighing machines |
| CN103594742A (en) * | 2013-11-22 | 2014-02-19 | 天能电池集团有限公司 | Sorting and grouping method for power lead-acid storage battery set |
| CN203707276U (en) * | 2014-01-01 | 2014-07-09 | 株洲盈定自动化设备科技有限公司 | Lead-acid accumulator plate weighing matching machine |
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- 2015-11-13 CN CN201510782514.1A patent/CN105355988B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634584A (en) * | 2009-06-02 | 2010-01-27 | 江苏金帆电源科技有限公司 | Classification and group matching methods based on multi weighing machines |
| CN103594742A (en) * | 2013-11-22 | 2014-02-19 | 天能电池集团有限公司 | Sorting and grouping method for power lead-acid storage battery set |
| CN203707276U (en) * | 2014-01-01 | 2014-07-09 | 株洲盈定自动化设备科技有限公司 | Lead-acid accumulator plate weighing matching machine |
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