CN217641808U - Anti-fracture copper-aluminum transition wiring terminal - Google Patents
Anti-fracture copper-aluminum transition wiring terminal Download PDFInfo
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- CN217641808U CN217641808U CN202221183072.0U CN202221183072U CN217641808U CN 217641808 U CN217641808 U CN 217641808U CN 202221183072 U CN202221183072 U CN 202221183072U CN 217641808 U CN217641808 U CN 217641808U
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Abstract
A fracture-preventing copper-aluminum transition wiring terminal comprises a wiring terminal main body and a connecting end, wherein one end of the wiring terminal main body is a wiring hole with a hollow cylindrical structure, the other end of the wiring terminal main body is fixedly connected with the connecting end, and a through hole is formed in the geometric center of the connecting end; copper conducting strips are embedded and brazed in the through holes; a through connecting hole is formed in the middle of the copper conducting plate; the connecting terminal has good conductivity, more stable connection, difficult falling and low cost; the connection mode of the copper-aluminum transition wiring terminal is improved, shaking and cracking are prevented, and the power supply reliability of a circuit and equipment is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of the electric wire netting equipment, concretely relates to prevent copper aluminium transition binding post that splits.
Background
The wiring terminal is mainly used for connecting a lead with the inlet and outlet terminals of electrical equipment such as a transformer, a circuit breaker, an isolating switch, a mutual inductor, a falling fuse and the like. Because the outgoing line terminals of the common electrical equipment are copper and aluminum, and most of the wires are aluminum wires or steel-cored aluminum stranded wires, the connecting terminal is divided into three series of aluminum wire terminals, copper wire terminals and copper-aluminum transition wire terminals from the aspect of material.
In an electric power system, the quality of electric power equipment is the most important factor of safe and stable operation of a power grid, the wide use of a copper-aluminum transition wire terminal is a common phenomenon in electric power construction in the nineties of the last century, but through years of practical inspection, the copper-aluminum transition wire terminal has the defects that the connection surface is small, the connection is unreliable, and external force shaking easily causes breakage, large-area power failure treatment is often needed, and great hidden dangers are brought to the stable operation of the power grid.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects in the prior art, the utility model aims to provide an anti-fracture copper-aluminum transition connecting terminal, wherein a through hole is arranged on an aluminum plate at one end of an aluminum pipe, and a copper conducting strip is fixed in the through hole, so that the copper-aluminum equipment wire clamp is prevented from being fractured and upwarped; and the fracture separation condition caused by heating of the copper-aluminum wiring terminal is improved, and the power supply reliability of the circuit and the equipment is ensured.
The utility model adopts the following technical proposal.
A fracture-preventing copper-aluminum wiring terminal comprises a wiring terminal main body and a connecting end, wherein one end of the wiring terminal main body is a wiring hole with a hollow cylindrical structure, the other end of the wiring terminal main body is fixedly connected with the connecting end, and a through hole is formed in the geometric center of the connecting end; copper conducting strips are embedded and brazed in the through holes; and a through connecting hole is formed in the middle of the copper conducting sheet.
Preferably, the through-hole is circular or regular polygonal.
Preferably, the copper conducting plate is an annular plate or a regular polygon copper conducting plate with a circular connecting hole at the geometric center, and the connecting hole and the through hole are arranged concentrically.
Preferably, the connection terminal is the same thickness as the copper conductive sheet.
Preferably, the connection end thickness is smaller than the outer diameter of the wire connection hole.
Preferably, the terminal body and the connection end are made of aluminum.
The connecting terminal main body and the connecting end are of an integrally formed structure; the cross section of the connecting terminal gradually transits from a circular ring shape to a long rectangular shape.
The utility model has the advantages that compared with the prior art, the contact area and the welding area between the copper conducting strip and the wire terminal main body are increased, so that the electric conductivity is good, the connection is more stable, and the copper conducting strip is not easy to fall off; and the cost is low. The inner wall of the through hole is fixedly welded with a circular copper conducting strip, so that the wire clamp of the copper-aluminum equipment is prevented from being broken and upwarped; and the connection mode of the copper-aluminum wire terminal is improved, the shaking and the breakage are prevented, and the power supply reliability of the circuit and the equipment is ensured.
Drawings
Fig. 1 is a schematic structural view of an anti-fracture copper-aluminum transition connection terminal of the present invention;
fig. 2 is a side view of the anti-fracture copper-aluminum transition terminal of the present invention;
fig. 3 is a schematic view of a copper conducting strip of an anti-fracture copper-aluminum transition connecting terminal of the present invention;
fig. 4 is a schematic view of the terminal main body of the anti-fracture copper-aluminum transition terminal of the present invention.
Labeled as:
1. a terminal main body; 2. a copper conductive sheet; 3. a connecting end; 4. a wiring hole; 5. brazing a surface; 6. and connecting the holes.
Detailed Description
The present application is further described below with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 4, the fracture-preventing copper-aluminum connecting terminal comprises a connecting terminal main body 1 and a connecting end 3, wherein one end of the connecting terminal main body 1 is a connecting hole 4 with a hollow cylindrical structure, the other end of the connecting terminal main body is fixedly connected with the connecting end 3, and a through hole is formed in the geometric center of the connecting end 3; the copper conducting plate 2 is embedded and brazed in the through hole; a through connecting hole 6 is formed in the middle of the copper conducting plate 2; preferably, the through-hole is circular or regular polygonal. The copper conducting plate 2 is an annular plate or a regular polygon copper conducting plate with a circular connecting hole at the geometric center, and the connecting hole and the through hole are arranged concentrically. The connecting end 3 has the same thickness as the copper conducting strip 2. The thickness of the connecting end 3 is smaller than the outer diameter of the wiring hole 4. The wiring terminal main body 1 and the connecting end 3 are made of aluminum; the wiring terminal main body 1 and the connecting end 3 are of an integrally formed structure; the cross section of the connecting terminal gradually transits from a circular ring shape to a long rectangular shape.
Example 1: an anti-fracture copper-aluminum wiring terminal comprises an aluminum wiring terminal main body, wherein one end of the wiring terminal main body is provided with an aluminum wiring hole with a hollow cylindrical structure, and a wire to be connected can be inserted into the wiring hole; the other end of the wire terminal main body is provided with a connecting end, the geometric center of the connecting end is provided with a through hole, a copper conducting plate is embedded and brazed in the through hole, and a through connecting hole 6 is formed in the middle of the copper conducting plate. The copper conducting plate is matched with the through hole, and the side wall of the copper conducting plate and the side wall of the through hole are welded into a whole during welding. The utility model discloses with the embedded welding of copper conducting strip in line terminal main part, avoided binding post easily to appear stick up the limit, peel off under the exogenic action, reduce copper aluminium transition binding post fracture and electrochemical corrosion, and its copper consumption volume is less than ordinary binding post. Preferably, the through hole may also be a regular polygonal through hole.
The copper conducting plate and the through hole of the connecting end are welded into a whole through brazing in a double-sided mode, the copper conducting plate and the through hole are repaired to be smooth, the welding quality is good, the deformation is small, the cost is low, the contact area of the copper conducting plate and the wire terminal main body and the area of the brazing face 5 are increased, the electric conductivity is good, the connection is more stable, and the copper conducting plate is not prone to falling off.
The utility model has the advantages that compared with the prior art, the contact area and the welding area between the copper conducting strip and the wire terminal main body are increased, so that the electric conductivity is good, the connection is more stable, and the copper conducting strip is not easy to fall off; and the cost is low. The inner wall of the through hole is fixed with a circular copper conducting strip, so that the wire clamp of the copper-aluminum equipment is prevented from being broken and upwarped; and the connection mode of the copper-aluminum wire terminal is improved, the shaking and the fracture are prevented, and the power supply reliability of a line and equipment is ensured.
The applicant of the present invention has made detailed description and description of the embodiments of the present invention with reference to the drawings, but those skilled in the art should understand that the above embodiments are only preferred embodiments of the present invention, and the detailed description is only for helping the reader to better understand the spirit of the present invention, and not for limiting the protection scope of the present invention, on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a prevent copper aluminium transition binding post that splits, includes binding post main part (1) and link (3), its characterized in that:
one end of the wiring terminal main body (1) is a wiring hole (4) with a hollow cylindrical structure, the other end of the wiring terminal main body is fixedly connected with a connecting end (3), and a through hole is formed in the geometric center of the connecting end (3);
a copper conducting strip (2) is embedded and brazed in the through hole;
and a through connecting hole (6) is formed in the middle of the copper conducting plate (2).
2. The fracture-preventing copper-aluminum transition wiring terminal as claimed in claim 1, characterized in that:
the through hole is circular or regular polygon.
3. The fracture-preventing copper-aluminum transition wiring terminal as claimed in claim 1, characterized in that:
the copper conducting plate (2) is an annular plate or a regular polygon copper conducting plate with a circular connecting hole in the geometric center, and the connecting hole and the through hole are arranged concentrically.
4. The fracture-preventing copper-aluminum transition wiring terminal as claimed in claim 1, characterized in that:
the connecting end (3) is the same as the copper conducting strip (2) in thickness.
5. The fracture-preventing copper-aluminum transition wiring terminal as claimed in claim 1, characterized in that: the thickness of the connecting end (3) is smaller than the outer diameter of the wiring hole (4).
6. The fracture-preventing copper-aluminum transition wiring terminal as claimed in claim 1, characterized in that: the wiring terminal main body (1) is made of aluminum.
7. The fracture-preventing copper-aluminum transition wiring terminal as claimed in claim 1, characterized in that:
the connecting end (3) is made of aluminum.
8. The fracture-preventing copper-aluminum transition wiring terminal as claimed in claim 6 or 7, wherein:
the wiring terminal main body (1) and the connecting end (3) are of an integrally formed structure; the cross section of the connecting terminal gradually transits from a circular ring shape to a long rectangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221183072.0U CN217641808U (en) | 2022-05-17 | 2022-05-17 | Anti-fracture copper-aluminum transition wiring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221183072.0U CN217641808U (en) | 2022-05-17 | 2022-05-17 | Anti-fracture copper-aluminum transition wiring terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217641808U true CN217641808U (en) | 2022-10-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221183072.0U Active CN217641808U (en) | 2022-05-17 | 2022-05-17 | Anti-fracture copper-aluminum transition wiring terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217641808U (en) |
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2022
- 2022-05-17 CN CN202221183072.0U patent/CN217641808U/en active Active
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