CN202434619U - Through-the-partition welding device for improving volumetric specific energy of lead-acid storage battery and lead-acid storage battery - Google Patents

Through-the-partition welding device for improving volumetric specific energy of lead-acid storage battery and lead-acid storage battery Download PDF

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Publication number
CN202434619U
CN202434619U CN2011205258219U CN201120525821U CN202434619U CN 202434619 U CN202434619 U CN 202434619U CN 2011205258219 U CN2011205258219 U CN 2011205258219U CN 201120525821 U CN201120525821 U CN 201120525821U CN 202434619 U CN202434619 U CN 202434619U
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China
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bus
face
bar
plumbous
lead acid
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CN2011205258219U
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Chinese (zh)
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张华农
衣守忠
裴祖奎
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Shenzhen Center Power Tech Co Ltd
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Shenzhen Center Power Tech Co Ltd
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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 utility model discloses a through-the-partition welding device for improving the volumetric specific energy of a lead-acid storage battery. The device comprises a battery case, pole groups, partitions, bus-bars and lead parts, wherein the pole groups are arranged in the battery case, and are partitioned by the partitions; the bus-bars are arranged at the tops of the pole groups respectively; the lead parts are arranged on the end parts of the bus-bars, and connect the pole groups; each partition and two lead parts adjacent to the partition are welded together in a through-the-partition welding way; and the top surfaces of the bus-bars are substantially flush with the top surfaces of the partitions. The utility model also discloses the lead-acid storage battery with the through-the-partition welding device for improving the volumetric specific energy of the lead-acid storage battery. The through-the-partition welding device can be used for various lead-acid storage batteries.

Description

Improve the through-wall welding device and the lead acid accumulator of lead acid accumulator volumetric specific energy
Technical field
The utility model relates to lead acid accumulator, especially relates to a kind of through-wall welding device and lead acid accumulator that improves the lead acid accumulator volumetric specific energy.
Background technology
Existing lead-acid accumulator green produces in the process of work, and the inner connecting way between the different poles group generally is to adopt to stride that bridge welding connects and through-wall welding connects this dual mode, wherein; Adopt through-wall welding to connect mode; Can realize mechanized operation, efficient is high, reduces and pollutes; And the also convenient heat-sealable way that adopts carries out capping, and then can reduce and add glue, curing process and save sealant material.Thereby lead acid accumulator adopts through-wall welding to connect mode and can reduce cost, and reduces operation, enhances productivity, and reduces environmental pollution.The through-wall welding device of existing lead acid accumulator comprises battery case, be placed on battery middle cover on the battery case, be located at utmost point group in the battery case, separate the partition wall of utmost point group, be located at the bus-bar and the plumbous part of being located at the bus-bar end face and each utmost point group being connected at each utmost point group top respectively, and partition wall and the two plumbous parts employing through-wall weldings adjacent with this partition wall connect mode and weld together.Because plumbous part is arranged on the end face of bus-bar, therefore, plumbous part protrusion bus-bar; Plumbous part end face is concordant substantially with the partition wall end face, and under the certain situation of battery case height, because plumbous part need take certain altitude; Cause the end face of end face and the partition wall of bus-bar to differ the height of plumbous part; Cause the height of utmost point group to reduce, make the capacity of storage battery reduce, volumetric specific energy reduces.The battery capacity of the lead acid accumulator of existing employing through-wall welding device can be striden bridge welding than employing usually, and to connect the same volume battery capacity that mode produces little by 5% ~ 10%, and promptly to connect the storage battery that mode produces little by 5% ~ 10% than striding bridge welding for the storage battery space availability ratio.
The utility model content
The utility model is lower for the capacity that solves the prior art lead acid accumulator, and the technical problem that volumetric specific energy is lower provides a kind of through-wall welding device and lead acid accumulator that improves the lead acid accumulator volumetric specific energy.
For solving the problems of the technologies described above; The technical scheme that the utility model adopts is a kind of through-wall welding device that improves the lead acid accumulator volumetric specific energy of design; Comprise battery case, be located at utmost point group in the battery case, separate the partition wall of utmost point group, be located at the bus-bar and the plumbous part of being located at each bus-bar end and each utmost point group being connected at each utmost point group top respectively; Each partition wall and the two plumbous parts employing through-wall weldings adjacent with this partition wall connect mode and weld together, and the end face of said bus-bar is the end face of concordant said partition wall substantially.
Said plumbous part is arranged on the end face of bus-bar, the end face of said partition wall be provided with towards top protrusion and with the corresponding weld part of said plumbous part to weld together; The through-wall welding device of said raising lead acid accumulator volumetric specific energy comprises that also one is placed on the battery middle cover at said battery case top, be provided with corresponding in the said battery middle cover with said weld part and plumbous part and the tongue of the said weld part of accommodating and plumbous part projection.
Said weld part and said tongue are circular-arc.
Said plumbous part falls to put down the side that is arranged on bus-bar, and the end face of plumbous part is concordant with the end face of said bus-bar.
Said plumbous part comprises the plumbous part and the plumbous part that falls to put down the side that is arranged on bus-bar of the end face that is arranged on bus-bar; The end face of the partition wall corresponding with the plumbous part of the said end face that is arranged on bus-bar be provided with towards the top protrusion and with the corresponding weld part of said plumbous part to weld together, be provided with corresponding in the said battery middle cover with said weld part and plumbous part and the tongue of the said weld part of accommodating and plumbous part projection; The end face of the said plumbous part that falls the flat side that is arranged on bus-bar is concordant with the end face of said bus-bar.
The utility model also provides a kind of lead acid accumulator, and said storage battery has the through-wall welding device of above-mentioned raising lead acid accumulator volumetric specific energy.
The utility model is through changing the structure of through-wall welding device; Make the end face of the concordant partition wall of end face cardinal principle of said bus-bar; Thereby can under the certain situation of the height of battery case, improve the height of utmost point group, improve the capacity of lead acid accumulator, improve the lead acid accumulator volumetric specific energy.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the utility model is elaborated, wherein:
Fig. 1 is the structure chart that the utility model embodiment one improves the through-wall welding device of lead acid accumulator volumetric specific energy;
Fig. 2 is the structure chart after the through-wall welding device of the utility model embodiment one raising lead acid accumulator volumetric specific energy takes down middle cover;
Fig. 3 is the structure chart of the battery case of the utility model embodiment one through-wall welding device of improving the lead acid accumulator volumetric specific energy;
Fig. 4 is the structure chart of the battery middle cover of the utility model embodiment one through-wall welding device of improving the lead acid accumulator volumetric specific energy;
Fig. 5 is the structure chart that embodiment two improves the through-wall welding device of lead acid accumulator volumetric specific energy.
Embodiment
The utility model is mainly through changing the structure of the through-wall welding device that has lead acid accumulator now; Make the end face of the concordant partition wall of end face cardinal principle of bus-bar; Thereby can under the certain situation of the height of battery case, improve the height of utmost point group; Improve the capacity of lead acid accumulator, improved the lead acid accumulator volumetric specific energy.
Embodiment one
See also Fig. 1 to Fig. 4.The through-wall welding device that the utility model improves the lead acid accumulator volumetric specific energy comprises battery case 1, utmost point group 2, partition wall 3, bus-bar 4, plumbous part 5, battery middle cover 6; Wherein:
Battery case 1 mainly plays the splendid attire material container.
Utmost point group 2 is located in the battery case, and it provides the place of electrochemical reaction for lead acid accumulator.Unit is made up of some pole plates.
Partition wall 3 is located in the battery case and is separated utmost point group, and it is mainly used in separating with different poles group in the lead acid accumulator.The end face of partition wall 3 is provided with protrusion and corresponding weld part 31 to weld together with said plumbous part towards the top.In this specific embodiment, weld part 31 is the end face of circular-arc protrusion partition wall, carries out through-wall welding with convenient by normal process.The altitude range of weld part is between 5～15mm, and concrete height is inconvenient to produce by the height of battery middle cover and side and is decided.
Bus-bar 4 is located at the end face of the concordant said partition wall of end face cardinal principle of each utmost point group top and bus-bar respectively, and it is used for positive plate or negative plate in all utmost point groups are linked together.In this specific embodiment, the end face of the concordant said partition wall of end face of bus-bar.
Plumbous part 5 is located at each bus-bar end and each utmost point group is connected.Each partition wall and the two plumbous parts employing through-wall weldings adjacent with this partition wall connect mode and weld together, and plumbous part mainly plays a part to connect and conduction current in the utmost point group.Plumbous part 5 is arranged on the end face of bus-bar.Each weld part and adjacent with this weld part two plumbous parts adopt through-wall weldings to connect mode to weld together in this specific embodiment.
Battery middle cover 6 is placed on said battery case top, mainly plays the sealed cell shell and guarantees storage battery safety.Be provided with corresponding in the battery middle cover with said weld part and plumbous part and the tongue 61 of the said weld part of accommodating and plumbous part projection.In this specific embodiment, said tongue is circular-arc.Also be provided with safety valve 62 and heat-sealing wall 63 on the battery middle cover 6.Safety valve 62 is mainly used in exhaust, guarantees cell safety; Heat-sealing wall 63 is mainly used in realizes battery heat-sealing lid.
This embodiment mainly improves the height of bus-bar through the height that improves the through-wall welding contact, thereby under the certain situation of the height of battery case, improves the height of utmost point group, has improved the capacity of lead acid accumulator, has improved the lead acid accumulator volumetric specific energy.
Embodiment two
See also Fig. 5.The through-wall welding device that the utility model improves the lead acid accumulator volumetric specific energy comprises battery case 81, utmost point group 82, partition wall 83, bus-bar 84 and plumbous part 85.The difference of this embodiment and embodiment one is that partition wall 83 end faces are not provided with the weld part of protrusion, but realizes through the position that is provided with that changes plumbous part 85.This embodiment need make the end face of the concordant said partition wall of end face cardinal principle of bus-bar 84 equally, and plumbous part 85 is fallen to put down the side that is arranged on bus-bar, and the end face 851 of plumbous part is concordant with the end face of said bus-bar.Change through plumbous part rotation and position; Improve the height of through-wall welding contact equally, thereby improved the height of bus-bar, thereby under the certain situation of the height of battery case, improved the height of utmost point group; Improve the capacity of lead acid accumulator, improved the lead acid accumulator volumetric specific energy.In this specific embodiment, the end face of the concordant said partition wall of end face of bus-bar.
Plumbous part through making lead acid accumulator tilts to a certain degree; Even its maximum inclined degree just can be equal with bus-bar, and how concrete condition need look producing feasibility, and the side is inconvenient to produce; Short circuit and determine the tilt quantity that it is maximum easily; Thereby improve the height of through-wall welding contact to greatest extent, reach the height that improves the corresponding positive/negative plate of lead acid accumulator to greatest extent, rationally utilize its battery case inner space to improve the volumetric specific energy of lead acid accumulator.
Certainly; Also can in the through-wall welding device that improves the lead acid accumulator volumetric specific energy, combine embodiment one and 2 two kinds of structures of embodiment, even said plumbous part comprises the plumbous part of the end face that is arranged on bus-bar and falls the flat plumbous part that is arranged on the side of bus-bar; The end face of the partition wall corresponding with the plumbous part of the said end face that is arranged on bus-bar be provided with towards the top protrusion and with the corresponding weld part of said plumbous part to weld together, be provided with corresponding in the said battery middle cover with said weld part and plumbous part and the tongue of the said weld part of accommodating and plumbous part projection; The end face of the said plumbous part that falls the flat side that is arranged on bus-bar is concordant with the end face of said bus-bar.
The utility model adopts improved through-wall welding access node structure design; As long as improve corresponding through-wall welding connecting point position; Reasonably the through-wall welding connecting point position is improved, the positive/negative plate height of storage battery is improved to greatest extent, improved its space availability ratio; Thereby reach the requirement of storage battery high-energy-density, have the following advantages:
First: improve to adopt through-wall welding to connect the space availability ratio of the storage battery that mode manufactures, solved the lower shortcoming of its volumetric specific energy;
Second: use the structure of simple possible, need not complicated structural design, production operation is simple and qualification rate is high;
The the 3rd: reduce unnecessary development cost, can realize general production.
The utility model can improve the volumetric specific energy of lead acid accumulator greatly under outward appearance and highly identical situation, help developing fast high specific energy lead-acid battery and can reduce the cost that per unit Ah counts storage battery.
The through-wall welding device that the utility model improves the lead acid accumulator volumetric specific energy can be used for various lead acid accumulators.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.

Claims (6)

1. through-wall welding device that improves the lead acid accumulator volumetric specific energy; Comprise battery case, be located at utmost point group in the battery case, separate the partition wall of utmost point group, be located at the bus-bar and the plumbous part of being located at each bus-bar end and each utmost point group being connected at each utmost point group top respectively; Each partition wall and the two plumbous parts employing through-wall weldings adjacent with this partition wall connect mode and weld together, and it is characterized in that: the end face of said bus-bar is the end face of concordant said partition wall substantially.
2. the through-wall welding device of raising lead acid accumulator volumetric specific energy according to claim 1; It is characterized in that: said plumbous part is arranged on the end face of bus-bar, the end face of said partition wall be provided with towards top protrusion and with the corresponding weld part of said plumbous part to weld together; The through-wall welding device of said raising lead acid accumulator volumetric specific energy comprises that also one is placed on the battery middle cover at said battery case top, be provided with corresponding in the said battery middle cover with said weld part and plumbous part and the tongue of the said weld part of accommodating and plumbous part projection.
3. the through-wall welding device of raising lead acid accumulator volumetric specific energy according to claim 2 is characterized in that: said weld part and said tongue are circular-arc.
4. the through-wall welding device of raising lead acid accumulator volumetric specific energy according to claim 1 is characterized in that: said plumbous part falls to put down the side that is arranged on bus-bar, and the end face of plumbous part is concordant with the end face of said bus-bar.
5. the through-wall welding device of raising lead acid accumulator volumetric specific energy according to claim 1 is characterized in that: said plumbous part comprises the plumbous part and the plumbous part that falls to put down the side that is arranged on bus-bar of the end face that is arranged on bus-bar; The end face of the partition wall corresponding with the plumbous part of the said end face that is arranged on bus-bar be provided with towards the top protrusion and with the corresponding weld part of said plumbous part to weld together, be provided with corresponding in the said battery middle cover with said weld part and plumbous part and the tongue of the said weld part of accommodating and plumbous part projection; The end face of the said plumbous part that falls the flat side that is arranged on bus-bar is concordant with the end face of said bus-bar.
6. lead acid accumulator, it is characterized in that: said storage battery has the through-wall welding device of each described raising lead acid accumulator volumetric specific energy of claim 1 to 5.
CN2011205258219U 2011-12-15 2011-12-15 Through-the-partition welding device for improving volumetric specific energy of lead-acid storage battery and lead-acid storage battery Expired - Lifetime CN202434619U (en)

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Application Number Priority Date Filing Date Title
CN2011205258219U CN202434619U (en) 2011-12-15 2011-12-15 Through-the-partition welding device for improving volumetric specific energy of lead-acid storage battery and lead-acid storage battery

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Application Number Priority Date Filing Date Title
CN2011205258219U CN202434619U (en) 2011-12-15 2011-12-15 Through-the-partition welding device for improving volumetric specific energy of lead-acid storage battery and lead-acid storage battery

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106058329A (en) * 2016-08-11 2016-10-26 骆驼集团蓄电池研究院有限公司 Lead-saving butt welding lead part and butt welding method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106058329A (en) * 2016-08-11 2016-10-26 骆驼集团蓄电池研究院有限公司 Lead-saving butt welding lead part and butt welding method thereof

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Granted publication date: 20120912