CN103811899B - That eliminates electric spark patches electrode and anodization production technology - Google Patents
That eliminates electric spark patches electrode and anodization production technology Download PDFInfo
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- CN103811899B CN103811899B CN201410066104.2A CN201410066104A CN103811899B CN 103811899 B CN103811899 B CN 103811899B CN 201410066104 A CN201410066104 A CN 201410066104A CN 103811899 B CN103811899 B CN 103811899B
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Abstract
The present invention relates to the electrode that patches for patching electrode, socket and plug of connector, particularly a kind of elimination electric spark patches electrode and anodization production technology.It is characterized in that：There is anodized resistive layer on the head of socket piece or the head of plug piece.Its step is：（1）It deoils；（2）Chemical polishing；（3）It neutralizes；（4）Anodization；（5）Anodization post-processes.Advantageous effect is：Electric spark during connector hot insertion is eliminated, avoids damage of the electric spark to electrode, is handled using electrode anodeization and generates the spark elimination that resistive layer realizes electrode, production technology is efficiently simple.
Description
Technical field
The present invention relates to the electrode that patches for patching electrode, socket and plug of connector, particularly a kind of elimination electric spark
Patch electrode and anodization production technology.
Background technology
The internal circuit of numerous electric equipment products connects circuit module using connector, particularly the product final assemble stage, has
When be power-up connection, due to each circuit module, there may be condenser networks, can generate connection electric spark, electrical fire during the connection process
Fragile connection connector is spent, while also operating personnel are brought with threat.
Appliance plug is inserted into the moment of socket, since there are a larger starting currents, fire can be generated in contact point
It spends and generates heat, with the steady contact of plug and socket contact, spark and heat disappear therewith, when appliance plug is extracted
During socket, often due to the presence of load, spark can be also generated in the moment of contact separation, it, can not due to the presence of electric spark
The socket contact sheet and header contact of socket are corroded disconnectedly, socket contact sheet and header contact can be burnt out when serious, in addition, inflammable easy
The spark and heat of quick-fried place power contact easily cause explosion accident.
Chinese patent CN201220292316.9 Spark-prevention insertion-connectionelectrode electrodes disclose a kind of bizet and are made of resistive material,
Bizet is mounted on the end in body portion, and the two is contacted with each other by tight fit and forms a connector；Chinese patent
201310370786.1 a kind of high-current socket connector discloses the embodiment that resistor stripe is filled in a kind of supporting cavity.On
State embodiment be resistance unit installation on the electrode, when specific implementation, is relatively difficult, and production technology proposed by the present invention uses
Electrode anodeization processing generates resistive layer and realizes that the spark of electrode is eliminated, and production technology is efficiently simple.
Invention content
The technical scheme is that：
A kind of elimination electric spark patches electrode, including socket piece and plug piece, it is characterized in that：The head of socket piece is inserted
There is anodized resistive layer on the head of head.
A kind of elimination electric spark patches electrode, it is characterized in that：The Standard resistance range of anodized resistive layer
For：0.5 ohm ~ 5K.
A kind of elimination electric spark patches electrode, it is characterized in that：The socket piece is used for power outlet.
A kind of elimination electric spark patches electrode, it is characterized in that：The plug piece part is used for attaching plug.
A kind of anodization production technology for patching electrode for eliminating electric spark, step are：
（1）It deoils：NaOH：100~150 g/l of+Na2CO3：20-27 g/l of aqueous solution is heated to boiling point and pours into rolling
Bucket, the interior a small amount of iron of addition of drum is quiet, solution ph 12-14, processing time 10-30min, often crosses 3-5 minutes drums and shakes up and down
Several times, when liquor strength is less than ph12 NaOH and Na is supplemented by configuration proportion2CO3；It is washed after deoiling.
（2）Chemical polishing：1 minutes, chemical polishing solution mass fraction formula are kept in chemical polishing solution：98%
H2SO4 Ratio 4.4%, 30% H2O2Ratio 14%, methanol ratio 6%, OP-10 ratios 4%；It is washed after chemical polishing.
（3）It neutralizes：After cleaning in weak base slot in and, prevent acid band from entering in anodization slot.
（4）Anodization：Electrolyte NaOH, copper piece anodic oxidation are immersed into the head of socket piece or the head of plug piece
Condition is current density 0.5-0.8A/d ㎡, temperature 60-90oC, about 2-30 minutes time.
（5）Anodization post-processes：Oxide layer further carries after hot water, high-temperature vapor or nickel salt Seal treatment again
Its high corrosion resistance and wearability.
The beneficial effects of the invention are as follows：Electric spark during connector hot insertion is eliminated, avoids electric spark to electrode
Damage, is handled using electrode anodeization and generates the spark elimination that resistive layer realizes electrode, and production technology is efficiently simple.
Description of the drawings
Fig. 1 socket pieces of the present invention and plug piece schematic diagram（There is anodized resistive layer on the head of socket piece）.
Fig. 2 is invention socket piece and plug piece schematic diagram（There is anodized resistive layer on the head of plug piece）.
Fig. 3 is invention cylindrical socket part and plug piece schematic diagram.
Fig. 4 is invention sub-edge connector part and plug piece schematic diagram.
Fig. 5 is the A-A sectional views of Fig. 4 sub-edge connector parts.
Fig. 6 is application of electrode of the present invention in the schematic diagram of power outlet（There is anodized resistance on the head of socket piece
Layer）.
Fig. 7 is application of electrode of the present invention in the schematic diagram of attaching plug（There is anodized resistance on the head of plug piece
Layer）.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 socket pieces of the present invention and plug piece schematic diagram（There is anodized resistive layer on the head of socket piece）.It patches
Electrode includes socket piece and plug piece, and 101 be socket piece terminals, and 102 be socket piece, and 103 be resistive layer, and 104 be plug piece,
105 be plug piece terminals.
Fig. 2 is invention socket piece and plug piece schematic diagram（There is anodized resistive layer on the head of plug piece）.It patches
Electrode includes socket piece and plug piece, and 101 be socket piece terminals, and 102 be socket piece, and 103 be resistive layer, and 104 be plug piece,
105 be plug piece terminals.
Fig. 3 is invention cylindrical socket part and plug piece schematic diagram.It patches electrode and includes socket piece and plug piece, 101 are
Socket piece terminals, 102 be socket piece, and 103 be resistive layer, and 104 be plug piece, and 105 be plug piece terminals.
Fig. 4 is invention sub-edge connector part and plug piece schematic diagram.It patches electrode and includes socket piece and plug piece, 101 be slotting
Seat piece terminals, 102 be socket piece, and 103 be resistive layer, and 104 be plug piece, and 105 be plug piece terminals.
Fig. 5 is the A-A sectional views of Fig. 4 sub-edge connector parts.
Fig. 6 is application of electrode of the present invention in the schematic diagram of power outlet（There is anodized resistance on the head of socket piece
Layer）.101 be socket piece terminals, and 102 be socket piece, and 103 be resistive layer, and 104 be plug piece, and 105 be plug piece terminals,
601 be power outlet, and 602 be attaching plug, and 603 be attaching plug lead.It can be seen from the figure that：The socket piece of the present invention has two
A electrical contact portion, one is resistive layers make contact part, and one is that metal is in direct contact part.
Fig. 7 is application of electrode of the present invention in the schematic diagram of attaching plug（There is anodized resistance on the head of plug piece
Layer）.101 be socket piece terminals, and 102 be socket piece, and 103 be resistive layer, and 104 be plug piece, and 105 be plug piece terminals,
601 be power outlet, and 602 be attaching plug, and 603 be attaching plug lead.
Anodization（Anodizing）It is a kind of metal surface treatment process, metal material leads in electrolyte solution
Crossing outer anode current of applying makes its surface form layer oxide film, and the thickness of oxidation film determines resistance value.
A kind of anodization production technology for patching electrode for eliminating electric spark, step are：
（1）It deoils：NaOH：100~150 g/l of+Na2CO3：20-27 g/l of aqueous solution is heated to boiling point and pours into rolling
Bucket, the interior a small amount of iron of addition of drum is quiet, solution ph 12-14, processing time 10-30min, often crosses 3-5 minutes drums and shakes up and down
Several times, when liquor strength is less than ph12 NaOH and Na is supplemented by configuration proportion2CO3；It is washed after deoiling.
（2）Chemical polishing：1 minutes, chemical polishing solution mass fraction formula are kept in chemical polishing solution：98%
H2SO4 Ratio 4.4%, 30% H2O2Ratio 14%, methanol ratio 6%, OP-10 ratios 4%；It is washed after chemical polishing.
Chemical polishing formula of liquid：
| Title | Specification | Mass fraction w/% |
| H2SO4 | 98% | 4.4 |
| H2O2 | 30% | 14 |
| Methanol | 6 | |
| OP-10 | 4 | |
| Temperature | Room temperature | |
| Time | 1min |
（3）It neutralizes：After cleaning in weak base slot in and, prevent acid band from entering in anodization slot.
（4）Anodization：Electrolyte NaOH, copper piece anodic oxidation are immersed into the head of socket piece or the head of plug piece
Condition is current density 0.5-0.8A/d ㎡, temperature 60-90oC, about 2-30 minutes time.
Increase electric current can shorten processing time, and oxide layer is black CuO, and sometimes with Cu (OH) 2, oxidation thickness is about several
To 60 microns, the resistance of oxide layer is controlled micron by concentration of electrolyte, conduction time, current density.
In electrolytic process, anion and the copper effect of oxygen generate oxide layer, and this oxide layer is not fine and closely woven enough when just being formed,
Though there is certain resistance, the negative oxygen ion in electrolyte remains to arrival copper surface and continuously forms oxide layer, with oxidated layer thickness
Increase, resistance also become larger, and so as to which Faradaic current becomes smaller, at this moment, chemolysis occur with the outer oxide layer of electrolyte contacts, when
Copper surface formed oxide speed gradually with the velocity balance of chemolysis when, this oxide layer can reach this electrolysis ginseng
Maximum gauge under several.
The Standard resistance range of anodized resistive layer is：0.5 ohm ~ 5K.
（5）Anodization post-processes：Oxide layer further carries after hot water, high-temperature vapor or nickel salt Seal treatment again
Its high corrosion resistance and wearability.
Claims (1)
1. a kind of anodization production technology for patching electrode for eliminating electric spark, it is characterized in that, including step：
The resistive layer that anodization obtains 0.5 ohm ~ 5 kilohms is carried out to the head for patching electrode；
The step of its anodization is：
（1）It deoils：NaOH：100~150 g/l of+Na2CO3：20-27 g/l of aqueous solution is heated to boiling point and pours into drum, rolling
A small amount of iron filings, solution ph 12-14 are added in bucket, processing time 10-30 minute often crosses 3-5 minutes drums and shakes up and down several times,
When liquor strength is less than ph12 NaOH and Na is supplemented by configuration proportion2CO3；It is washed after deoiling；
（2）Chemical polishing：1 minutes, chemical polishing solution mass fraction formula are kept in chemical polishing solution：98% H2SO4
Ratio 4.4%, 30% H2O2Ratio 14%, methanol ratio 6%, OP-10 ratios 4%；It is washed after chemical polishing；
（3）It neutralizes：After cleaning in weak base slot in and, prevent acid band from entering in anodization slot；
（4）Anodization：Electrolyte NaOH, copper piece anodic oxidation condition are immersed into the head of socket piece or the head of plug piece
For current density 0.5-0.8A/d ㎡, temperature 60-90oC, about 2-30 minutes time；
（5）Anodization post-processes：Oxide layer further improves it after hot water, high-temperature vapor or nickel salt Seal treatment again
Corrosion resistance and wearability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066104.2A CN103811899B (en) | 2014-02-26 | 2014-02-26 | That eliminates electric spark patches electrode and anodization production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066104.2A CN103811899B (en) | 2014-02-26 | 2014-02-26 | That eliminates electric spark patches electrode and anodization production technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103811899A CN103811899A (en) | 2014-05-21 |
| CN103811899B true CN103811899B (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410066104.2A Active CN103811899B (en) | 2014-02-26 | 2014-02-26 | That eliminates electric spark patches electrode and anodization production technology |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785727B (en) * | 2016-08-29 | 2019-11-08 | 湖南中车时代电动汽车股份有限公司 | A kind of anti-electric spark connector receptable and anti-electric spark connector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8226425B2 (en) * | 2009-07-31 | 2012-07-24 | American Power Conversion Corporation | Sparkless electrical connector |
| CN103266338A (en) * | 2013-05-21 | 2013-08-28 | 沈阳理工大学 | TC4 titanium alloy anodizing chromium-free blackening method |
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Effective date of registration: 20180528 Address after: 362006 Room 302, 3rd floor, Zhenxing Road, Zhentai Road, Quanzhou economic and Technological Development Zone, Fujian Applicant after: Quanzhou Siwei Information Technology Co., Ltd. Address before: 226136 group 44, Wansheng village, Wanyan Township, Haimen, Nantong, Jiangsu Applicant before: Lu Tengjiao |
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Effective date of registration: 20200714 Address after: 221000 22 Fu Min Road, hi tech Industrial Development Zone, Pizhou, Xuzhou, Jiangsu Patentee after: Jiangsu Hanwei Electronic Materials Co., Ltd Address before: 362006 Room 302, 3rd floor, Zhenxing Road, Zhentai Road, Quanzhou economic and Technological Development Zone, Fujian Patentee before: Quanzhou Siwei Information Technology Co.,Ltd. |