CN102569908A - Method for assembling valve-control sealed type maintenance-free lead acid storage battery - Google Patents
Method for assembling valve-control sealed type maintenance-free lead acid storage battery Download PDFInfo
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- CN102569908A CN102569908A CN2012100159019A CN201210015901A CN102569908A CN 102569908 A CN102569908 A CN 102569908A CN 2012100159019 A CN2012100159019 A CN 2012100159019A CN 201210015901 A CN201210015901 A CN 201210015901A CN 102569908 A CN102569908 A CN 102569908A
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- 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
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Abstract
The invention discloses a method for assembling a valve-control sealed type maintenance-free lead acid storage battery. According to the method, a liquid injection process step and a battery internal formation (battery charging and discharging) process step are performed after internal connection welding and before channel cover sealing. Compared with the conventional method, the method increases the product quality and the production efficiency, shortens the production cycle, and reduces the equipment investment and the maintenance cost.
Description
Technical field
The present invention relates to maintenance-free lead accumulator, especially a kind of valve-regulated sealed maintenance-free lead accumulator assembly method.
Background technology
Maintenance-free lead accumulator has high-performance, long-life, excellent performance such as pollution-free, non-maintaining, safe and reliable, has been widely used on electric bicycle, battery-operated motor cycle and the automobile at present.Traditional assembly method of valve-regulated sealed maintenance-free lead accumulator is as shown in Figure 1, be characterized in the sub-operation of sealed cell and end-blocking after, carry out airtight test; Electrolyte is injected in qualified back; Carry out the battery charging and discharging operation afterwards again, yet there is following defective in this assembly method:
(1) behind the injection electrolyte, because electrochemical reaction, battery can produce a large amount of heats; Internal temperature of battery will be up to 60 ℃, but carry out because of battery is internalized under air-proof condition, are difficult for heat radiation; So behind the perfusion electrolyte; Must take cooling provision, otherwise can not guarantee that internal temperature of battery is reduced to 45 ℃ to satisfy the charging temperature condition in 4～5 hours, that will have a strong impact on battery production efficient.
(2) perfusion electrolyte under air-proof condition; Must be earlier in the battery case exhaust, could pour into electrolyte then, because there is residual air in the battery case; Cause electrolyte can not be penetrated into battery bottom fully easily; Dividing plate and the pole plate of bottom can not be immersed in the electrolyte or not fully be soaked, thereby form that battery is dry and distinguish (particularly high capacity cell, situation is even more serious); The heat that produces in fluid injection or the charging operation like this will burn out the dividing plate or the pole plate in the dry district of battery, directly influences the quality of battery.
(3) entire cell is internalized into process, needs twice discharge of three chargings; When battery is charged, can produce a large amount of heats, but the sealed cell radiating condition is poor; In order to guarantee that battery temperature is lower than 45 ℃, often need take cooling measure, as during the broiling summer; Also need reduce charging current, could guarantee that temperature is lower than 45 ℃, this directly prolongs the charging interval; Therefore, traditional battery fit has not only increased production cost, and has increased battery and be internalized into the cycle.
Summary of the invention
The technical problem that the present invention will solve provides and a kind ofly practice thrift cost, improves the quality and production efficiency, the valve-regulated sealed maintenance-free lead accumulator assembly method of shortening production cycle.
Adopt following technical scheme for solving the problems of the technologies described above the present invention: valve-regulated sealed maintenance-free lead accumulator assembly method, in this method fluid injection be internalized into battery (battery charging and discharging) operation interior be connected postwelding groove cap seal and close before.
Battery is internalized into (battery charging and discharging) operation and need treats to carry out after battery electrolyte inside temperature is reduced to 45 ℃ after the fluid injection, carries out the charging secondary discharge altogether three times.
The battery serial connection charge is adopted in charging, and charging current is 1/8～1/10 ampere of single battery capacity; The single battery discharge is adopted in discharge, and discharging current is 5 amperes.
This method comprises the operation that next coming in order carry out: divide that scrubbing brush ear, combo, the weldering of utmost point group, tankage, polarity check, interior connection weldering, fluid injection, battery are internalized into that (battery charging and discharging), groove cap seal close, solder terminal, sealed cell end-blocking, airtight test, statistical packet.
This method comprises the operation that next coming in order carry out:
< 01>divides the scrubbing brush ear that bipolar plates or multipole plate are divided into unipolar plate, and remove the oxide layer of pole plate ear;
< 02>combo with positive plate, negative plate and dividing plate by quantity sheet number and the ordering of regulation, the utmost point to being combined into the pole plate partition body;
< 03>weldering of utmost point group is pressed the utmost point to integrally welded with corresponding pole with gas welding with the pole plate partition body, forms anodal group and negative pole group;
< 04>tankage with utmost point group by position and the utmost point of regulation in being pressed into the storage battery cell body;
< 05>polarity of polarity check visual inspection utmost point group;
< 06>connect weldering in through adopting the gas welding mode, the battery cell that accumulator box is inner couples together;
< 07>fluid injection utilizes the liquid self gravitation directly to inject electrolyte in the monomer of battery case several times;
< 08>battery is internalized into after (battery charging and discharging) battery case injects electrolyte, places a period of time, treats that the temperature of electrolyte is lower than 45 ℃, just can charge and discharge battery, carries out twice discharge of charging for three times altogether;
< 09>after the groove cap seal closes the battery charging and discharging end, unnecessary electrolyte in the battery case is outwelled, with epobond epoxyn battery cover and battery case involution are got up then;
< 10>solder terminal welds battery terminal and dististyle with electric iron and scolding tin;
< 11>sealed cell end-blocking seals with the positive and negative terminal of coloured epoxy resin with battery;
Whether the battery after < 12>airtight test seals with the pressure gauge inspection seals;
< 13>capacity (with weighing discharge time) of each battery of statistical packet statistics, the battery that capacity is close is divided into one group.
Valve-regulated sealed maintenance-free lead accumulator assembly method of the present invention is internalized into fluid injection before (battery charging and discharging) operation is connected postwelding groove cap seal in being placed on and closes with battery.Compare with conventional method, this method has following remarkable result:
(1) improves the quality of products because perfusion electrolyte operation does not have to carry out under the capping situation at battery case; Electrolyte is penetrated into the each several part of battery very soon; And battery case good heat dissipation when opening wide, avoided battery separator and pole plate are damaged, thereby improved the quality of battery.
(2) enhance productivity because battery is internalized under battery case opens wide situation carries out, rapid heat dissipation behind the battery perfusion electrolyte has reduced cooling time; And can suitably increase charging current; Thereby shorten the charging interval, reduce battery and be internalized into the cycle, boost productivity.
(3) minimizing equipment input and maintenance cost are carried out owing to battery is internalized under the unlimited situation of battery case; After the fluid injection and in the charging; As long as natural cooling can meet the demands in air; Need not take special cooling provision, therefore not only can save input and the maintenance cost that vacuumizes with cooling device, and reduce power consumption.
Description of drawings
Fig. 1 is traditional valve-regulated sealed maintenance-free lead accumulator assembly method flow chart.
Fig. 2 is the valve-regulated sealed maintenance-free lead accumulator assembly method of a present invention flow chart.
Embodiment
As shown in Figure 2, maintenance-free lead accumulator assembly method of the present invention comprises the operation that next coming in order carry out:
< 01>divide the scrubbing brush ear bipolar plates or multipole plate to be divided into unipolar plate with the annular saw board separating device; Oxide layer in the pole plate ear can influence the welding quality of utmost point group, and available wire brush or other automatic equipment are removed the oxide layer of pole plate ear, surplus cream and the burr around the pole plate; (note: will brush to exposing metallic luster during pole plate brush ear.)
< 02>combo with positive plate, negative plate and dividing plate by quantity sheet number and the ordering of regulation, the utmost point to being combined into the pole plate partition body; Positive plate lacks a slice than negative plate; The every positive plate in assembling back all is between two negative plates; Evenly discharged in the positive plate both sides, be separated by with dividing plate between the pole plate, must avoid short circuit between the positive/negative plate;
< 03>utmost point group weldering is packed the pole plate partition body after the combo on the special-purpose utmost point crowd weld mold into; And load onto the polar biased post; With gas welding the lug on the pole plate partition body and polar biased post being welded into bus-bar (is heated to pole plate ear molten state and forms the molten bath with gas welding earlier; Constantly make the local fusion of welding then, at last the welding of polar biased post welded together with bus-bar to the molten bath filler rod), form anodal group and negative pole group; (note: after welding finished, the lead skim or the lead button that must will fall between pole plate were removed, otherwise can influence the quality of battery.)
< 04>bread thin film outside the utmost point group of tankage behind assembly welding; To reduce the frictional force between battery case and the utmost point group; Then with utmost point group by position and the utmost point of regulation in being pressed into the storage battery cell body; Will put down and guarantee that utmost point group is pressed into the bottom of battery case during tankage gently, the utmost point group of going into behind the groove should keep into the state before the groove as far as possible, otherwise hammers orientation gently into shape with wooden mallet or glue;
< 05>polarity of visual inspection utmost point group behind the polarity check tankage avoids occurring reverse electrode phenomena;
< 06>connects weldering in through adopting the gas welding mode; The battery cell that accumulator box is inner couples together; Specifically: the polar biased post on the two adjacent groups utmost point crowd is clamped with interior connection weldering specific purpose tool; With gas welding the polar biased post is heated to molten state then and makes the welding place be fused into one, adjacent utmost point crowd is together in series; (note: must clear up lead skim or the lead button that drops between pole plate after the welding.)
< 07>fluid injection at first is mixed with low concentration electrolyte (temperature can be poured into after being reduced to room temperature) with the concentrated sulfuric acid and distilled water, utilizes the gravity of electrolyte self electrolyte directly to be injected in the monomer of battery case then, several times perfusion; Guarantee that the dividing plate in the utmost point group is fully soaked, and liquid level must surpass dividing plate top, after the fluid injection for the first time; Wait for a period of time; Liquid level re-injects electrolyte after descending, and repeatedly repeats, till liquid level no longer descends;
< 08>after battery is internalized into (battery charging and discharging) battery case injection electrolyte, can produce a large amount of heats, place a period of time; The temperature of treating electrolyte is lower than 45 ℃; Can charge and discharge battery, carry out twice discharge of three chargings altogether: the battery serial connection charge be adopted in charging, and charging current is 1/8～1/10 ampere of (constant current charge standard of single battery capacity; Promptly in whole formation process, the charging current size of charger output remains constant); Behind the electrolyte in the battery case " boiling ", just stop charging.After charging finishes,, internal temperature of battery just begins discharge if, then need placing a period of time greater than 45 ℃.Adopt the single battery discharge during discharge, discharging current is 5 amperes, when cell voltage is 10.5V; Stop discharge, carry out the charging second time and discharge then, until the process of accomplishing three chargings and twice discharge; And write down each battery last discharge time, and be labeled on the battery;
< 09>after the groove cap seal closes the battery charging and discharging end, unnecessary electrolyte in the battery case is outwelled, with epobond epoxyn battery cover and battery case involution are got up then;
At first battery cover is placed on the workbench; Then the epobond epoxyn that configures is fed in the groove of battery cover and (notes: in the filling process as bubble is arranged in the adhesive; With thin metal needle bubble is punctured); Then, on battery, place briquetting at last and solidify until adhesive with the battery case battery cover of packing into.
< 10>solder terminal elder generation indentation sealing circle on battery electrode column is enclosed within dististyle on the pole then, with electric iron and scolding tin pole and dististyle is welded as a whole again;
< 11>sealed cell end-blocking stirs red, black epoxy respectively with curing agent ratio on request, pours into then in the positive and negative terminal hole cell sealing, and epoxy adhesive gets into next process after solidifying again by the time;
< 12>airtight test is pressed into the vent valve of gas from battery in the battery case with pressure gauge; Making manometric pressure is 50KPa; And wait 5S; If manometric pointer falls after rise, then explain between cell negative terminal, between lid and the groove or terminal bad sealing and produce gas leakage, must do over again for the battery of gas leakage;
< 13>statistical packet is added up the discharge time that operation < 08>marks on battery; The battery (battery that capacity is close) that will differ discharge time less than 5 minutes is sorted out in groups; From group, extract several batteries then and form battery pack; The luggage case (note: batteries in battery set must be chosen from a certain classification group, can not stride group and choose) of going forward side by side.
Claims (5)
1. valve-regulated sealed maintenance-free lead accumulator assembly method, it is characterized in that in this method fluid injection and battery be internalized into operation interior be connected postwelding groove cap seal and close before.
2. valve-regulated sealed maintenance-free lead accumulator assembly method according to claim 1 is characterized in that: said battery is internalized into operation and need treats to carry out after battery electrolyte inside temperature is reduced to 45 ℃ after the fluid injection, carries out the charging secondary discharge altogether three times.
3. valve-regulated sealed maintenance-free lead accumulator assembly method according to claim 2 is characterized in that: the battery serial connection charge is adopted in said charging, and charging current is 1/8～1/10 ampere of single battery capacity; The single battery discharge is adopted in said discharge, and discharging current is 5 amperes.
4. according to the arbitrary described valve-regulated sealed maintenance-free lead accumulator assembly method of claim 1 to 3, it is characterized in that this method comprises the operation that next coming in order carry out: divide that scrubbing brush ear, combo, the weldering of utmost point group, tankage, polarity check, interior connection weldering, fluid injection, battery are internalized into, the groove cap seal closes, solder terminal, sealed cell end-blocking, airtight test, statistical packet.
5. valve-regulated sealed maintenance-free lead accumulator assembly method according to claim 4 is characterized in that this method comprises the operation that next coming in order carry out:
< 01>divides the scrubbing brush ear that bipolar plates or multipole plate are divided into unipolar plate, and remove the oxide layer of pole plate ear;
< 02>combo with positive plate, negative plate and dividing plate by quantity sheet number and the ordering of regulation, the utmost point to being combined into the pole plate partition body;
< 03>weldering of utmost point group is pressed the utmost point to integrally welded with corresponding pole with gas welding with the pole plate partition body, forms anodal group and negative pole group;
< 04>tankage with utmost point group by position and the utmost point of regulation in being pressed into the storage battery cell body;
< 05>polarity of polarity check visual inspection utmost point group;
< 06>connect weldering in through adopting the gas welding mode, the battery cell that accumulator box is inner couples together;
< 07>fluid injection utilizes the liquid self gravitation directly to inject electrolyte in the monomer of battery case several times;
< 08>battery is internalized into after battery case injects electrolyte, places a period of time, treats that the temperature of electrolyte is lower than 45 ℃, just can charge and discharge battery, carries out twice discharge of charging for three times altogether;
< 09>after the groove cap seal closes the battery charging and discharging end, unnecessary electrolyte in the battery case is outwelled, with epobond epoxyn battery cover and battery case involution are got up then;
< 10>solder terminal welds battery terminal and dististyle with electric iron and scolding tin;
< 11>sealed cell end-blocking seals with the positive and negative terminal of coloured epoxy resin with battery;
Whether the battery after < 12>airtight test seals with the pressure gauge inspection seals;
< 13>capacity of each battery of statistical packet statistics, the battery that capacity is close is divided into one group.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100159019A CN102569908A (en) | 2012-01-18 | 2012-01-18 | Method for assembling valve-control sealed type maintenance-free lead acid storage battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100159019A CN102569908A (en) | 2012-01-18 | 2012-01-18 | Method for assembling valve-control sealed type maintenance-free lead acid storage battery |
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| CN102569908A true CN102569908A (en) | 2012-07-11 |
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| CN2012100159019A Pending CN102569908A (en) | 2012-01-18 | 2012-01-18 | Method for assembling valve-control sealed type maintenance-free lead acid storage battery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078067A (en) * | 2013-01-15 | 2013-05-01 | 上海恒动汽车电池有限公司 | Lithium-ion battery metal shell insulating protective layer and a manufacturing method thereof |
| CN105826588A (en) * | 2015-01-05 | 2016-08-03 | 河南三丽电源股份有限公司 | Battery plate group packaging method and special vacuum-pumping device thereof |
| CN106141348A (en) * | 2016-06-30 | 2016-11-23 | 济源市万洋绿色能源有限公司 | A kind of accumulator terminal welding method |
| CN109888410A (en) * | 2018-05-25 | 2019-06-14 | 山东超威电源有限公司 | A kind of acid dosing and charging manufacturing process improving lead-acid accumulator cryogenic property |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004355892A (en) * | 2003-05-28 | 2004-12-16 | Shin Kobe Electric Mach Co Ltd | Manufacturing method for quick use lead accumulator |
| CN1564366A (en) * | 2003-09-11 | 2005-01-12 | 陈刚 | Internal chemical synthetic process for colloidal battery |
-
2012
- 2012-01-18 CN CN2012100159019A patent/CN102569908A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004355892A (en) * | 2003-05-28 | 2004-12-16 | Shin Kobe Electric Mach Co Ltd | Manufacturing method for quick use lead accumulator |
| CN1564366A (en) * | 2003-09-11 | 2005-01-12 | 陈刚 | Internal chemical synthetic process for colloidal battery |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078067A (en) * | 2013-01-15 | 2013-05-01 | 上海恒动汽车电池有限公司 | Lithium-ion battery metal shell insulating protective layer and a manufacturing method thereof |
| CN105826588A (en) * | 2015-01-05 | 2016-08-03 | 河南三丽电源股份有限公司 | Battery plate group packaging method and special vacuum-pumping device thereof |
| CN106141348A (en) * | 2016-06-30 | 2016-11-23 | 济源市万洋绿色能源有限公司 | A kind of accumulator terminal welding method |
| CN109888410A (en) * | 2018-05-25 | 2019-06-14 | 山东超威电源有限公司 | A kind of acid dosing and charging manufacturing process improving lead-acid accumulator cryogenic property |
| CN109888410B (en) * | 2018-05-25 | 2021-10-29 | 山东超威电源有限公司 | Acid-adding charging manufacturing process for improving low-temperature performance of lead-acid storage battery |
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Application publication date: 20120711 |