CN112086302A - Special-shaped copper contact - Google Patents
Special-shaped copper contact Download PDFInfo
- Publication number
- CN112086302A CN112086302A CN202010989240.4A CN202010989240A CN112086302A CN 112086302 A CN112086302 A CN 112086302A CN 202010989240 A CN202010989240 A CN 202010989240A CN 112086302 A CN112086302 A CN 112086302A
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- China
- Prior art keywords
- layer
- contact
- copper
- oxidation
- fixedly connected
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- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/02—Contacts characterised by the material thereof
- H01H1/021—Composite material
- H01H1/023—Composite material having a noble metal as the basic material
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- Contacts (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
Abstract
The invention discloses a special-shaped copper contact which comprises a contact body, wherein a groove is formed in the front face of the contact body, the contact body comprises a first oxidation resistant layer, the bottom of the first oxidation resistant layer is fixedly connected with a first copper layer, the bottom of the first copper layer is fixedly connected with a reinforcing layer, and the bottom of the reinforcing layer is fixedly connected with a wear-resistant layer. According to the invention, the first oxidation resisting layer and the second oxidation resisting layer are arranged and are made of silver alloy, so that the oxidation resistance of the copper contact can be enhanced, the machining process is changed from integral forming to a multi-layer synthetic machining mode on the premise of not changing the shape of the existing copper contact through the matching use of the contact, the groove, the first oxidation resisting layer, the first copper layer, the reinforcing layer and the wear-resisting layer, the problem of low yield caused by integral forming is avoided, the machining method is improved, and the wear resistance and oxidation resistance of the copper contact are also improved.
Description
Technical Field
The invention relates to the technical field of copper contact structure improvement, in particular to a special-shaped copper contact.
Background
The contact is one of key parts of the switching electric appliance, the main performance and the service life of the switching electric appliance depend on the quality of contact materials to a great extent, the contact materials are generally required to have good conductivity, lower contact resistance, higher fusion welding resistance, higher arc erosion resistance and material transfer resistance, and because the conductivity of copper is good, copper is usually used as a material for manufacturing the contact.
Disclosure of Invention
The invention aims to provide a special-shaped copper contact, which changes a processing technology from integral forming to a multilayer synthetic processing mode on the premise of not changing the shape of the existing copper contact, thereby avoiding the problem of low yield caused by integral forming, improving the processing method, improving the wear resistance and oxidation resistance of the copper contact, and solving the problems that the special-shaped copper contact used in the market at present is complicated in shape and mostly requires integral forming, thereby increasing difficulty for production and processing of people and reducing the processing speed of people.
In order to achieve the purpose, the invention provides the following technical scheme: the special-shaped copper contact comprises a contact body, wherein a groove is formed in the front face of the contact body, the contact body comprises a first oxidation resistant layer, the bottom of the first oxidation resistant layer is fixedly connected with a first copper layer, the bottom of the first copper layer is fixedly connected with a reinforcing layer, and the bottom of the reinforcing layer is fixedly connected with a wear-resistant layer.
Preferably, the bottom of the wear-resistant layer is fixedly connected with a second copper layer, and the bottom of the second copper layer is fixedly connected with a second antioxidation layer.
Preferably, the shape of the groove is rectangular, and the left side and the right side of the groove are both rectangular.
Preferably, the contact back surface is rectangular in shape.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the matched use of the contact, the groove, the first oxidation resistant layer, the first copper layer, the reinforcing layer and the wear-resistant layer, on the premise of not changing the shape of the existing copper contact, the processing technology is changed from integral forming to a multi-layer synthetic processing mode, so that the problem of low yield caused by integral forming is avoided, the processing method is improved, and the wear resistance and the oxidation resistance of the copper contact are also improved.
2. According to the invention, the first oxidation resisting layer and the second oxidation resisting layer are arranged and are made of silver alloy, so that the oxidation resistance of the copper contact can be enhanced, the copper contact is prevented from being easily rusted, the wear-resistant layer is made of tin, the wear-resistant layer can improve the wear resistance of the copper contact, and the reinforcing layer is made of tungsten, so that the hardness of the copper contact can be enhanced.
Drawings
FIG. 1 is a schematic view of the inventive structure;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a schematic view of the structure of the present invention.
In the figure: the contact comprises a contact 1, a groove 2, a first oxidation resistant layer 3, a first copper layer 4, a reinforcing layer 5, a wear-resistant layer 6, a second copper layer 7 and a second oxidation resistant layer 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the patent of the invention without any inventive work belong to the protection scope of the patent of the invention.
Referring to fig. 1-3, the special-shaped copper contact includes a contact 1, the contact 1 has a rectangular back, the contact 1 has a rectangular front, a groove 2 is formed in the front of the contact 1, the groove 2 has a rectangular shape, both the left side and the right side of the groove 2 have rectangular shapes, the contact 1 includes a first oxidation resistant layer 3, a first copper layer 4 is fixedly connected to the bottom of the first oxidation resistant layer 3, a reinforcing layer 5 is fixedly connected to the bottom of the first copper layer 4, the reinforcing layer 5 is made of tungsten and can enhance the hardness of the copper contact, a wear-resistant layer 6 is fixedly connected to the bottom of the reinforcing layer 5, the wear-resistant layer 6 is made of tin and can improve the wear resistance of the copper contact by providing the wear-resistant layer 6, a second copper layer 7 is fixedly connected to the bottom of the wear-resistant layer 6, a second oxidation resistant layer 8 is fixedly connected to the bottom of the second copper layer 7, and the first oxidation resistant layer 3 and the second oxidation resistant, the first oxidation resisting layer 3 and the second oxidation resisting layer 8 are made of silver alloy, oxidation resistance of the copper contact can be enhanced, the copper contact is prevented from rusting easily, the machining process is changed on the premise that the shape of the existing copper contact is not changed by matching the contact 1, the groove 2, the first oxidation resisting layer 3, the first copper layer 4, the reinforcing layer 5 and the wear-resisting layer 6, the machining mode is changed from integral forming to multi-layer synthesis, the problem that the yield is low due to integral forming is solved, the machining method is improved, and wear resistance and oxidation resistance of the copper contact are improved.
During the use, through the setting of first antioxidation layer 3 and second antioxidation layer 8, can strengthen the oxidation resistance of copper contact, prevent it from rustting, through the setting of reinforcing 5 layers for copper contact 1 can not be easy deformation, through the setting of wearing layer 6, can increase the wear resistance of copper contact.
In summary, the following steps: this heterotypic copper contact uses through the cooperation of contact 1, recess 2, first oxidation resisting layer 3, first copper layer 4, back up coat 5 and wearing layer 6, has solved heterotypic copper contact 1 that uses on the market at present because the shape is complicated, and mostly all require integrated into one piece, and this production and processing who just gives people has increased not little degree of difficulty, has reduced people's process velocity's problem.
Although embodiments of the present patent have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the present patent, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. Heterotypic copper contact, including contact (1), its characterized in that: the contact is characterized in that a groove (2) is formed in the front face of the contact (1), the contact (1) comprises a first oxidation resistant layer (3), a first copper layer (4) is fixedly connected to the bottom of the first oxidation resistant layer (3), a reinforcing layer (5) is fixedly connected to the bottom of the first copper layer (4), and a wear-resistant layer (6) is fixedly connected to the bottom of the reinforcing layer (5).
2. The profiled copper contact of claim 1, wherein: the bottom of the wear-resistant layer (6) is fixedly connected with a second copper layer (7), and the bottom of the second copper layer (7) is fixedly connected with a second antioxidation layer (8).
3. The profiled copper contact of claim 1, wherein: the shape of recess (2) is the rectangle, recess (2) left side and right side shape are the rectangle.
4. The profiled copper contact of claim 1, wherein: the back of the contact (1) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989240.4A CN112086302A (en) | 2020-09-19 | 2020-09-19 | Special-shaped copper contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989240.4A CN112086302A (en) | 2020-09-19 | 2020-09-19 | Special-shaped copper contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112086302A true CN112086302A (en) | 2020-12-15 |
Family
ID=73739791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010989240.4A Withdrawn CN112086302A (en) | 2020-09-19 | 2020-09-19 | Special-shaped copper contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112086302A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114464473A (en) * | 2022-01-08 | 2022-05-10 | 浙江福达合金材料科技有限公司 | High-reliability rivet type electric contact, forming equipment and forming method |
-
2020
- 2020-09-19 CN CN202010989240.4A patent/CN112086302A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114464473A (en) * | 2022-01-08 | 2022-05-10 | 浙江福达合金材料科技有限公司 | High-reliability rivet type electric contact, forming equipment and forming method |
| CN114464473B (en) * | 2022-01-08 | 2023-08-01 | 浙江福达合金材料科技有限公司 | High-reliability rivet type electric contact, forming equipment and forming method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201215 |