CN101577322A - Copper-core pillar dipped with lead-tin alloy - Google Patents
Copper-core pillar dipped with lead-tin alloy Download PDFInfo
- Publication number
- CN101577322A CN101577322A CNA2008100644338A CN200810064433A CN101577322A CN 101577322 A CN101577322 A CN 101577322A CN A2008100644338 A CNA2008100644338 A CN A2008100644338A CN 200810064433 A CN200810064433 A CN 200810064433A CN 101577322 A CN101577322 A CN 101577322A
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- CN
- China
- Prior art keywords
- copper
- lead
- terminal
- core pillar
- alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention provides a scheme for dipping lead-tin alloy for a copper-core pillar used for a lead acid storage battery terminal. Most storage battery terminals are poured by copper-core pillars and lead alloy, and when a user uses the storage battery terminal, a connecting strip is connected to the terminal through a thread in the copper-core pillar. Because a storage battery needs to connect quite small internal resistance of a milliohm level, the user is required to tightly fix the connecting strip to the terminal without virtual connection, thus the terminal needs to bear large torque force. In the process of pouring the terminal, a gap is found between the lead alloy and the copper-core pillar by dissecting the terminal, and the lead alloy and the copper-core pillar are not tightly bonded. The internal resistance of the terminal is increased, and if overlarge strength is used during connecting, the lead alloy and the copper-core pillar of the terminal are easy to fall off so as to cause a scrap battery. In the invention, the copper-core pillar is dipped with a layer of the lead-tin alloy in advance and then poured into the terminal with the lead alloy, thus the lead alloy is in contact with the lead-tin alloy so as to greatly enhance the binding force between the lead alloy and the copper-core pillar. Judging from torque data of experiments, the torque is increased by one time.
Description
[technical field]
The present invention relates to water in the cast copper stem stem type terminal production process, to the processing method of copper stem stem at lead acid accumulator.
[background technology]
Lead-acid sealed battery owing to have has extended cycle life, self discharge is little, memory-less effect, lower-price characteristic, is paid close attention to deeply as stand-by power supply on communication, electric power, telecommunications, Large UPS in recent years.Along with the fast development of communication, electric power, telecommunications, the demand of lead-acid sealed battery battery is increased day by day.Lead acid accumulator takes place during intercell connector copper stem stem in the lead terminal post is unscrewed in installation process moving easily, causes battery to scrap.The utility model is exactly the generation for fear of above situation, dips in the last layer terne metal on battery terminal copper stem stem, and it is more tightr to make that the copper stem stem combines with lead alloy, increases the torsion of battery terminal copper stem stem, improves the fail safe and the reliability of battery.
Most of producers adopt special-shaped copper stem stem, and the frictional force that increases copper stem stem and lead alloy solves this problem, but effect is not very good in practice, and the slit between lead alloy and the copper stem stem has increased the internal resistance on the battery electrode column, and battery performance is impacted.
Original copper stem stem battery terminal is the copper stem stem to be put in the battery terminal mould directly formed by the lead alloy casting of melting, in dissection and real process, find between lead alloy and copper stem stem, to have very slight gap of one deck, copper stem stem and the direct adhesion of lead alloy are had harm, and the internal resistance to battery terminal also has considerable influence in addition.
The present invention dips in the last layer terne metal in advance on the copper stem stem, thickness is put into the copper stem stem in the battery terminal mould then in 0.008 millimeter, has the lead alloy casting of thawing to form.Lead alloy directly contacts the slit of having avoided between lead alloy and the copper stem stem with terne metal like this, has strengthened the torsion between copper stem stem and the lead alloy.
The copper-core pillar dipped with lead-tin alloy technological operation that the present invention proposes is simple, is convenient to produce in batches, has improved battery security and reliability.
[summary of the invention]
The object of the present invention is to provide the production of copper stem stem to combine the method for battery terminal more closely with lead alloy.In order to achieve the above object, the present invention by the following technical solutions.
Use the copper stem stem before the casting battery terminal to lead-acid storage battery terminal, realize dipping in the last layer terne metal; The slicker solder part by weight is 1: 1, and dipping in the alloy time is 4-6 second
[embodiment]
At first, slicker solder is carried out heating and melting by mass ratio at 1: 1, then the copper stem stem is installed on the specific purpose tool dish, tool shelf is immersed in the terne metal solution.
Embodiment 1
Soak terne metal 4-6 and take out second, be placed into room temperature the copper stem stem is taken off.
Embodiment 2
Soak terne metal 5-7 and take out second, be placed into room temperature the copper stem stem is taken off.
Embodiment 3
Soak terne metal 8-10 and take out second, be placed into room temperature the copper stem stem is taken off.
Comparative Examples 1
The copper stem stem does not soak terne metal
To the copper stem stem of embodiment 1-3 and Comparative Examples 1 battery terminal of casting, and carry out the moment of torsion destructive inspection.
Data see the following form
Embodiment 1-3 is more or less the same as can be seen from the table, still almost increases for Comparative Examples to be twice, and has effectively prevented the danger that battery terminal is twisted off.The fail safe and the reliability of lead acid accumulator have been improved.
Therefore the present invention adopts and soaks terne metal time 4-6 second.The terne metal ratio is plumbous: tin=1: 1 (weight ratio)
More than terne metal provided by the present invention is soaked the copper stem stem produce the method for lead-acid storage battery terminal and be described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (3)
1. lead-acid storage battery terminal copper stem stem, the dipped with lead-tin alloy method.It is characterized in that at the copper-core pillar dipped last layer terne metal of lead-acid storage battery terminal.
2. copper-core pillar dipped with lead-tin alloy method according to claim 1 is characterized in that lead: the tin weight ratio is 1: 1.
3. copper-core pillar dipped with lead-tin alloy method according to claim 1, its dipped with lead-tin alloy time is 4-6 second.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100644338A CN101577322A (en) | 2008-05-05 | 2008-05-05 | Copper-core pillar dipped with lead-tin alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100644338A CN101577322A (en) | 2008-05-05 | 2008-05-05 | Copper-core pillar dipped with lead-tin alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101577322A true CN101577322A (en) | 2009-11-11 |
Family
ID=41272168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100644338A Pending CN101577322A (en) | 2008-05-05 | 2008-05-05 | Copper-core pillar dipped with lead-tin alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101577322A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241717A (en) * | 2014-09-26 | 2014-12-24 | 浙江天能电池(江苏)有限公司 | Method for repairing loosened copper core pole |
| CN105428586A (en) * | 2015-12-28 | 2016-03-23 | 山东圣阳电源股份有限公司 | Battery terminal manufacturing technology and apparatus thereof |
-
2008
- 2008-05-05 CN CNA2008100644338A patent/CN101577322A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241717A (en) * | 2014-09-26 | 2014-12-24 | 浙江天能电池(江苏)有限公司 | Method for repairing loosened copper core pole |
| CN104241717B (en) * | 2014-09-26 | 2016-07-06 | 浙江天能电池(江苏)有限公司 | A kind of loosening copper core electrode post repair method |
| CN105428586A (en) * | 2015-12-28 | 2016-03-23 | 山东圣阳电源股份有限公司 | Battery terminal manufacturing technology and apparatus thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091111 |