CN103811899A - Inserted electrode without electric spark and anodizing production process - Google Patents
Inserted electrode without electric spark and anodizing production process Download PDFInfo
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- CN103811899A CN103811899A CN201410066104.2A CN201410066104A CN103811899A CN 103811899 A CN103811899 A CN 103811899A CN 201410066104 A CN201410066104 A CN 201410066104A CN 103811899 A CN103811899 A CN 103811899A
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- plug
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Abstract
The invention relates to inserted electrodes of a connector assembly, a socket and a plug, in particular to an inserted electrode without electric sparks and an anodizing production process. The inserted electrode without electric sparks is characterized in that an anodized resistance layer is arranged at the head of the socket or the plug. The anodizing production process includes a step (1) of de-oiling, a step (2) of chemical polishing, a step (3) of neutralizing, a step (4) of anodizing and a step (5) of post-processing of anodizing. The inserted electrode without electric sparks and the anodizing production process have beneficial effects that the electric sparks generated by inserting the connector assembly under electrified state are eliminated, the damage to the electrode caused by the electric sparks is avoided, the electric sparks of the electrode are eliminated through generating the resistance layer by anodizing, and the production process is effective and simple.
Description
Technical field
The present invention relates to the electrode that patches that patches electrode, socket and plug of connector, particularly a kind of eliminate electric spark patch electrode and anodization production technology.
Background technology
The internal circuit of numerous electric equipment products all adopts connector connecting circuit module, the particularly product final assemble stage, sometimes be to add electrical connection, because each circuit module may exist condenser network, in connection procedure, can produce and connect electric spark, the fragile connection connector of electric spark, also brings threat to operating personnel simultaneously.
Appliance plug is inserted to the moment of socket, owing to there being a larger starting current, can produce spark and produce heat at contact point, along with the stable contact of plug and socket contact, spark and heat disappear thereupon, in the time that appliance plug is extracted socket, often due to the existence of load, moment in contact separation also can produce spark, due to the existence of electric spark, can constantly corrode socket contact sheet and the header contact of socket, when serious, can burn out socket contact sheet and header contact, in addition, in spark and the very easily explosion caused accident of heat of inflammable and explosive place power contact.
Chinese patent CN201220292316.9 sparkproof plug-in electrode, discloses a kind of bizet and has been made up of resistance material, and bizet is arranged on the end of body, its two be in contact with one another a connector of composition by tight fit; 201310370786.1 1 kinds of large electric current connectors of Chinese patent, disclose the embodiment that is filled with resistor stripe in a kind of supporting cavity.Above-mentioned embodiment is resistance unit and is arranged on electrode, more difficult while specifically enforcement, the production technology that the present invention proposes adopt electrode anode processing to have a resistance a spark that layer realizes electrode is eliminated, production technology is efficiently simple.
Summary of the invention
Technical scheme of the present invention is:
The electrode that patches of eliminating electric spark, comprises socket piece and plug piece, it is characterized in that: the head of socket piece or the head of plug piece have anodized resistive layer.
Described a kind of electrode that patches of eliminating electric spark, is characterized in that: the Standard resistance range of anodized resistive layer is: 0.5 ohm ~ 5K.
Described a kind of electrode that patches of eliminating electric spark, is characterized in that: described socket piece is for supply socket.
Described a kind of electrode that patches of eliminating electric spark, is characterized in that: described plug piece part is for attaching plug.
An anodization production technology that patches electrode of eliminating electric spark, the steps include:
(1) deoil: NaOH:100～150 grams per liter+Na
2cO
3: the aqueous solution of 20-27 grams per liter is heated to boiling point and pours drum into, adds a small amount of iron quiet in drum, solution ph 12-14, and processing time 10-30min, often crosses 3-5 minute drum and shakes up and down several times, and liquor strength press the supplementary NaOH of configuration proportion and Na during lower than ph12
2cO
3; After washing deoils.
(2) chemical polishing: keep 1 minutes in chemical brightening solution, chemical brightening solution mass fraction formula: 98% H
2sO
4the H of ratio 4.4%, 30%
2o
2ratio 14%, methyl alcohol ratio 6%, OP-10 ratio 4%; Chemical polishing after washing.
(3) neutralization: neutralize in weak base groove after cleaning, prevent that acid from bringing in anodization groove.
(4) anodization: the head of the head of socket piece or plug piece is immersed to electrolyte NaOH, and copper part anodic oxidation condition is current density 0.5-0.8A/d ㎡, temperature 60-90
oc, about 2-30 minute of time.
(5) anodization reprocessing: oxide layer further improves its corrosion resistance and resistance to wear again after hot water, high-temperature vapor or nickel salt sealing are processed.
The invention has the beneficial effects as follows: the electric spark while eliminating connector hot insertion, avoid the damage of electric spark to electrode, a spark that layer realizes electrode is eliminated to adopt electrode anode processing to have a resistance, and production technology is efficiently simple.
Accompanying drawing explanation
Fig. 1 socket piece of the present invention and plug piece schematic diagram (head of socket piece has anodized resistive layer).
Fig. 2 is invention socket piece and plug piece schematic diagram (head of plug piece has anodized resistive layer).
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 cutaway view of Fig. 4 sub-edge connector part.
Fig. 6 is that application of electrode of the present invention is in the schematic diagram (head of socket piece has anodized resistive layer) of supply socket.
Fig. 7 is that application of electrode of the present invention is in the schematic diagram (head of plug piece has anodized resistive layer) of attaching plug.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 socket piece of the present invention and plug piece schematic diagram (head of socket piece has anodized resistive layer).Patch electrode and comprise socket piece and plug piece, 101 is socket piece terminals, and 102 is socket piece, and 103 is resistive layer, and 104 is plug piece, and 105 is plug piece terminals.
Fig. 2 is invention socket piece and plug piece schematic diagram (head of plug piece has anodized resistive layer).Patch electrode and comprise socket piece and plug piece, 101 is socket piece terminals, and 102 is socket piece, and 103 is resistive layer, and 104 is plug piece, and 105 is plug piece terminals.
Fig. 3 is invention cylindrical socket part and plug piece schematic diagram.Patch electrode and comprise socket piece and plug piece, 101 is socket piece terminals, and 102 is socket piece, and 103 is resistive layer, and 104 is plug piece, and 105 is plug piece terminals.
Fig. 4 is invention sub-edge connector part and plug piece schematic diagram.Patch electrode and comprise socket piece and plug piece, 101 is socket piece terminals, and 102 is socket piece, and 103 is resistive layer, and 104 is plug piece, and 105 is plug piece terminals.
Fig. 5 is the A-A cutaway view of Fig. 4 sub-edge connector part.
Fig. 6 is that application of electrode of the present invention is in the schematic diagram (head of socket piece has anodized resistive layer) of supply socket.101 is socket piece terminals, and 102 is socket piece, and 103 is resistive layer, and 104 is plug piece, and 105 is plug piece terminals, and 601 is supply socket, and 602 is attaching plug, and 603 is attaching plug lead-in wire.In figure, can find out: socket piece of the present invention has two to electrically contact part, one is resistive layer contact portion, and one is the direct contact portion of metal.
Fig. 7 is that application of electrode of the present invention is in the schematic diagram (head of plug piece has anodized resistive layer) of attaching plug.101 is socket piece terminals, and 102 is socket piece, and 103 is resistive layer, and 104 is plug piece, and 105 is plug piece terminals, and 601 is supply socket, and 602 is attaching plug, and 603 is attaching plug lead-in wire.
Anodization (Anodizing) is a kind of metal surface treatment process, and metal material, in electrolyte solution, makes its surface form layer oxide film by executing anode current outward, and the thickness of oxide-film determines resistance value.
An anodization production technology that patches electrode of eliminating electric spark, the steps include:
(1) deoil: NaOH:100～150 grams per liter+Na
2cO
3: the aqueous solution of 20-27 grams per liter is heated to boiling point and pours drum into, adds a small amount of iron quiet in drum, solution ph 12-14, and processing time 10-30min, often crosses 3-5 minute drum and shakes up and down several times, and liquor strength press the supplementary NaOH of configuration proportion and Na during lower than ph12
2cO
3; After washing deoils.
(2) chemical polishing: keep 1 minutes in chemical brightening solution, chemical brightening solution mass fraction formula: 98% H
2sO
4the H of ratio 4.4%, 30%
2o
2ratio 14%, methyl alcohol ratio 6%, OP-10 ratio 4%; Chemical polishing after washing.
Chemical polishing formula of liquid:
| Title | Specification | Mass fraction w/% |
| H 2SO 4 | 98% | 4.4 |
| H 2O 2 | 30% | 14 |
| Methyl alcohol | ? | 6 |
| OP-10 | ? | 4 |
| Temperature | ? | Room temperature |
| Time | ? | 1min |
(3) neutralization: neutralize in weak base groove after cleaning, prevent that acid from bringing in anodization groove.
(4) anodization: the head of the head of socket piece or plug piece is immersed to electrolyte NaOH, and copper part anodic oxidation condition is current density 0.5-0.8A/d ㎡, temperature 60-90
oc, about 2-30 minute of time.
Increase electric current and can shorten the processing time, oxide layer is black CuO, sometimes contains Cu (OH) 2, approximately several microns to 60 microns of oxidation bed thickness, and the resistance of oxide layer is by concentration of electrolyte, conduction time, current density control.
In electrolytic process, the anion of oxygen and copper effect produce oxide layer, it is fine and closely woven not when this oxide layer just forms, though there is certain resistance, but the negative oxygen ion in electrolyte still can arrive copper surface continues to form oxide layer, along with oxidated layer thickness increases, it is large that resistance also becomes, thereby Faradaic current diminishes, at this moment, the outer oxide layer generation chemolysis contacting with electrolyte, the speed that forms oxide when copper surface is during gradually with the velocity balance of chemolysis, and this oxide layer just can reach the maximum ga(u)ge under this electrolytic parameter.
The Standard resistance range of anodized resistive layer is: 0.5 ohm ~ 5K.
(5) anodization reprocessing: oxide layer further improves its corrosion resistance and resistance to wear again after hot water, high-temperature vapor or nickel salt sealing are processed.
Claims (5)
1. the electrode that patches of eliminating electric spark, comprises socket piece and plug piece, it is characterized in that: the head of socket piece or the head of plug piece have anodized resistive layer.
2. a kind of electrode that patches of eliminating electric spark according to claim 1, is characterized in that: the Standard resistance range of anodized resistive layer is: 0.5 ohm ~ 5K.
3. a kind of electrode that patches of eliminating electric spark according to claim 1 and 2, is characterized in that: described socket piece is for supply socket.
4. a kind of electrode that patches of eliminating electric spark according to claim 1 and 2, is characterized in that: described plug piece part is for attaching plug.
5. a kind of anodization production technology that patches electrode of eliminating electric spark according to claim 1, the steps include:
(1) deoil: NaOH:100～150 grams per liter+Na
2cO
3: the aqueous solution of 20-27 grams per liter is heated to boiling point and pours drum into, adds a small amount of iron quiet in drum, solution ph 12-14, and processing time 10-30min, often crosses 3-5 minute drum and shakes up and down several times, and liquor strength press the supplementary NaOH of configuration proportion and Na during lower than ph12
2cO
3; After washing deoils;
(2) chemical polishing: keep 1 minutes in chemical brightening solution, chemical brightening solution mass fraction formula: 98% H
2sO
4the H of ratio 4.4%, 30%
2o
2ratio 14%, methyl alcohol ratio 6%, OP-10 ratio 4%; Chemical polishing after washing;
(3) neutralization: neutralize in weak base groove after cleaning, prevent that acid from bringing in anodization groove;
(4) anodization: the head of the head of socket piece or plug piece is immersed to electrolyte NaOH, and copper part anodic oxidation condition is current density 0.5-0.8A/d ㎡, temperature 60-90
oc, about 2-30 minute of time;
(5) anodization reprocessing: oxide layer further improves its corrosion resistance and resistance to wear again after hot water, high-temperature vapor or nickel salt sealing are processed.
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 |
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| Publication Number | Publication Date |
|---|---|
| CN103811899A true CN103811899A (en) | 2014-05-21 |
| CN103811899B CN103811899B (en) | 2018-07-06 |
Family
ID=50708313
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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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103811899B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785727A (en) * | 2016-08-29 | 2018-03-09 | 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102474042A (en) * | 2009-07-31 | 2012-05-23 | 美国能量变换公司 | 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 |
-
2014
- 2014-02-26 CN CN201410066104.2A patent/CN103811899B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102474042A (en) * | 2009-07-31 | 2012-05-23 | 美国能量变换公司 | 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785727A (en) * | 2016-08-29 | 2018-03-09 | 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 |
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| Publication number | Publication date |
|---|---|
| CN103811899B (en) | 2018-07-06 |
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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. |