CN216980917U - Electric connecting element with flat conductor and vehicle window glass assembly - Google Patents
Electric connecting element with flat conductor and vehicle window glass assembly Download PDFInfo
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- CN216980917U CN216980917U CN202123050017.2U CN202123050017U CN216980917U CN 216980917 U CN216980917 U CN 216980917U CN 202123050017 U CN202123050017 U CN 202123050017U CN 216980917 U CN216980917 U CN 216980917U
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- contact piece
- flat conductor
- connecting terminal
- glass
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Abstract
The utility model relates to the technical field of electric connection elements, in particular to an electric connection element with a flat conductor, which comprises a cable and the flat conductor, wherein one end of the flat conductor is electrically connected with the cable, the other end of the flat conductor is provided with a connecting terminal, a terminal contact piece is arranged on the connecting terminal, and a solder layer is arranged on one side of the terminal contact piece, which is far away from the connecting terminal; the distance between the welding pins and the glass is increased, and the thermal shock of the welding pins to the glass is weakened; the terminal contact piece can be used for confirming the welding state in production and ensuring that the condition of insufficient consumption of the solder layer can be identified in the production process; the utility model discloses a when the welding, two welding pins are more even with connecting terminal area of contact, guarantee that two welding pins calorific capacity are unanimous, prevent the condition of contact failure.
Description
The technical field is as follows:
the present invention relates to the field of electrical connection elements, and more particularly, to an electrical connection element with a flat conductor and a window glass assembly.
Background art:
with the coming of the intelligent (such as advanced driving assistance system) era of automobiles, the functions of the front windshield, such as wire clamping heating, antenna, dimming, heat insulation, sound insulation, HUD and the like, are increased, the interlayer elements between the glasses are increased, and most of the interlayer elements need to be electrified, that is, an electrified circuit needs to be added in the interlayer glass. The sandwich glass element is electrically connected to the power supply by means of additional electrical connecting elements and is electrically conductively connected to the sandwich glass element by means of soldering.
Due to the limited size of the gap between the glass and the sheet metal of the car body, in order to reduce the occupied space and to take the cost and the process into consideration, a copper foil (with the thickness of about 0.1mm) is generally adopted as a flat conductor, and the structural strength of the flat conductor is weak. In addition, direct soldering of copper foil to the glass surface presents the following risks: 1) when in welding, the welding pin is pressed on the copper foil, and the welding pin is easy to generate indirect rigid collision with glass to damage the glass; 2) the area of the head of the welding needle is small, the copper foil surface is a flat surface, and the contact area of the left electrode and the right electrode is inconsistent when the copper foil surface is in contact with the welding needle for electrification, so that the two sides are heated unevenly, and the welding performance is influenced; 3) the copper foil is provided with soldering tin, so that the soldering tin amount cannot be too high, and the soldering tin amount is insufficient, which easily causes the welding force value to be lower; 4) the soldering tin is completely covered by the copper foil, and whether the melting state of the soldering tin is qualified or not cannot be confirmed in the production process; 5) the copper foil and the soldering tin with the thickness of about 0.1mm are only separated between the soldering pin and the glass, and the heating of the soldering pin can quickly transfer heat to the glass to cause glass stress damage, thereby causing subsequent glass splinting; 6) during a tensile test, the stress of the contact area of the soldering tin edge and the copper foil is obvious, so that the welding force value of the copper foil is low.
The utility model has the following contents:
the utility model aims to solve the technical problem of the existing flat conductor and provides an electric connecting element with the flat conductor, which has high structural strength and good welding stability. A window assembly with the electrical connection element is also provided.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an electric connecting element with flat conductor, includes cable and flat conductor, the one end of flat conductor with the cable electricity is connected, the other end of flat conductor is equipped with connecting terminal, be equipped with the terminal contact piece on the connecting terminal, the terminal contact piece deviates from one side of connecting terminal is equipped with the solder layer.
Further, the electric connection element further comprises an insulating sheath, the insulating sheath is sleeved outside the flat conductor, and the connection terminal is exposed out of the insulating sheath.
Further, the terminal contact piece has a rectangular cross section.
Further, the cross-section of the terminal contact piece is U-shaped, and the U-shaped groove of the terminal contact piece is used for being sleeved on the connecting terminal and is fixedly connected with the connecting terminal.
Further, the thickness of the terminal contact piece is 0.4 ± 0.1 mm.
Further, the connecting terminal is a copper sheet.
Further, the material of the terminal contact piece is silver-plated red copper.
Further, the terminal contact piece is formed on the connection terminal by bonding, welding, or riveting.
Further, a connecting portion is provided between the cable and the flat conductor.
The utility model also provides a vehicle window glass assembly with the electric connecting element with the flat conductor, which comprises glass and an electric conducting layer arranged on the glass, wherein the electric conducting layer is electrically connected with the connecting terminal through the solder layer.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects: according to the utility model, the terminal contact piece is additionally arranged between the connecting terminal and the solder layer, so that the structural strength of the flat conductor, especially the connecting terminal, is changed, the flat conductor has higher structural strength, and the welding pin is prevented from directly impacting glass; the distance between the welding pins and the glass is increased, and the thermal shock of the welding pins to the glass is weakened; the terminal contact piece can be used for confirming the welding state in production and ensuring that the condition of insufficient consumption of the solder layer can be identified in the production process; when the utility model is used for welding, the contact area between the two welding pins and the connecting terminal is relatively uniform, the heating value of the two welding pins is ensured to be consistent, and the condition of poor contact is prevented; the stress area and the firmness of the welding position of the connecting terminal are increased.
Description of the drawings:
fig. 1 is a schematic structural view of an electrical connection element with flat conductors according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 3;
reference numerals in the drawings indicate: the cable 1 is a cable, the corrugated tube 11 is a flat conductor 2, the connection terminal 21 is a connection terminal, the terminal contact piece 22 is a solder layer 23, the insulating sheath 24 is an insulating sheath, the connection part 3 is a connection part, and the external power plug 4 is a plug.
The specific implementation mode is as follows:
in the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; may be directly connected or indirectly connected through an intermediate. In the description of the present invention, "glass" may be inorganic glass, or may be plastic glass made of organic polymer or the like. The glass may be a laminated glass in which a plurality of glass sheets are laminated. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The utility model will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 4, the electrical connection element with a flat conductor according to the present invention includes a cable 1 and a flat conductor 2, one end of the flat conductor 2 is electrically connected to the cable 1, the other end of the flat conductor 2 is provided with a connection terminal 21, the connection terminal 21 is provided with a terminal contact piece 22, and one side of the terminal contact piece 22 away from the connection terminal 21 is provided with a solder layer 23.
Through presetting the solder layer 23, the welding operation can be directly carried out subsequently, thereby reducing the working procedures in the production process and improving the production efficiency. The solder layer 23 is preferably made of a tin-based material.
In the prior art, the connecting terminal 21 is directly welded on the laminated glass through the solder layer 23, the strength of the glass is weak, the thickness of the connecting terminal 21 is thin, and the physical impact of a welding pin and the welding thermal shock can cause the weakening of the strength of the glass and even the breakage of the glass; in the process of soldering the connecting terminal 21 on glass in the prior art, the solder layer 23 is completely covered by the connecting terminal 21, and whether the melting state of the solder layer 23 is qualified or not cannot be confirmed, and the condition that the using amount of the solder layer 23 is insufficient cannot be identified; the area of the head of the welding pin is small, the surface of the connecting terminal 21 is smooth, and the heating of the welding pins at two sides is uneven due to the fact that poor contact at one side is easy to occur during welding; the stress area of the existing connecting terminal 21 after welding is small, and the comprehensive force value is low. On the premise that the structure of the flat conductor 2 cannot be changed and the welding strength can not be guaranteed, the terminal contact piece 22 is additionally arranged between the connecting terminal 21 and the welding flux layer 23, so that the structural strength of the flat conductor 2, particularly the connecting terminal 21, is changed, the flat conductor has higher structural strength, and the welding needle is prevented from directly impacting glass; the distance between the welding pins and the glass is increased, and the thermal shock of the welding pins to the glass is weakened; the use of the terminal contact piece 22 can confirm the soldering state in production and ensure that the situation of insufficient amount of the solder layer 23 can be identified in the production process; when the utility model is used for welding, the contact area between the two welding pins and the connecting terminal 21 is relatively uniform, the heating value of the two welding pins is ensured to be consistent, and the condition of poor contact is prevented; the stress area and the firmness of the welding position of the connecting terminal 21 are increased.
Further, as shown in fig. 1 to 4, the electrical connection element further includes an insulating sheath 24, the insulating sheath 24 is sleeved outside the flat conductor 2, and the connection terminal 21 is exposed out of the insulating sheath 24.
Further, as shown in fig. 4, the cross section of the terminal contact piece 22 is U-shaped, and the U-shaped groove of the terminal contact piece 22 is used for being sleeved on the connection terminal 21 and is fixedly connected with the connection terminal 21. The U-shaped terminal contact piece and the connecting terminal 21 have large binding force and cannot easily fall off after welding. And attaching the solder layer 23 to the glass welding point, and enabling the welding pin to be in contact with the other surface of the U-shaped terminal contact piece, which is far away from the solder layer 23, and welding. After soldering, the electrical connection component was tested for horizontal and vertical tension, and the horizontal tension and the vertical tension were measured to be about 100N and about 35N when the connection terminal 21 was separated from the terminal contact piece 22.
Further, the terminal contact piece 22 has a rectangular cross section, and thus the heat conductivity and the soldering performance can be improved to the maximum extent. The rectangle is not a strict rectangle, but may be other shapes similar to a rectangle, such as a rounded rectangle. The connection terminal 21 includes two surfaces disposed opposite to each other, the terminal contact piece 22 is provided on one of the surfaces of the connection terminal 21, and the terminal contact piece 22 is located between the connection terminal 21 and the solder layer 23. The solder layer 23 is applied to the glass solder joint and the soldering pin is brought into contact with the surface of the connection terminal 21 facing away from the terminal contact piece 22 and soldered. After soldering, the electrical connection component was subjected to horizontal and vertical tensile tests, and it was found that the horizontal tensile force when the connection terminal 21 was separated from the terminal contact piece 22 was about 80N and the vertical tensile force was about 30N.
Further, the thickness of the terminal contact piece 22 is 0.4 ± 0.1 mm.
In the present invention, a general conductive material may be used for the flat conductor 2. For example, a conductor made of copper or a copper alloy may be used, and the conductor may be plated with tin, silver, gold, nickel, or the like to prevent the surface of the conductor from being oxidized. In particular, a tin-plated copper sheet made of copper or a copper alloy having a tin-plated or the like surface can be advantageously used because of its low cost. In view of cost and manufacturability, the connection terminal 21 is preferably a copper sheet, and the terminal contact piece 22 is preferably silver-plated with red copper, because silver-plated with red copper has characteristics of good conductivity, easy soldering, and strong soldering point. The terminal contact piece 22 and the connection terminal 21 may be integrally formed by pressing, or may be formed by a post-assembling method, for example, the terminal contact piece 22 is formed on the connection terminal 21 by a bonding, welding, or riveting process. The U-shaped terminal contact piece of the present invention is preferably fixedly connected to the connection terminal 21 by caulking.
Further, as shown in fig. 1 and 3, a connecting portion 3 is provided between the cable 1 and the flat conductor 2. The connecting portion 3 is preferably an injection-molded member formed by injection-molding a resin material, such as polyimide.
Optionally, the cable 1 is sheathed with a corrugated tube 11 for local protection. The other end of the cable 1 is further connected with an external power plug 4, and the external power plug 4 can communicate the flat conductor 2 with a power supply through the cable 1, as shown in fig. 1 and 3.
The utility model also provides a vehicle window glass assembly with the electric connecting element with the flat conductor, which comprises glass and an electric conducting layer arranged on the glass, wherein the electric conducting layer is electrically connected with the connecting terminal through the solder layer.
It is to be understood that the electrically conductive layer may be understood as a functional layer of some kind, either for performing a heating function or for performing an antenna function. The electrical connection may be a direct connection or an indirect connection. For example, the conductive layer may be directly electrically connected to the terminal portion, or may be electrically connected to the terminal portion by providing a bus bar.
The electrical connecting element with flat conductors and the window glass assembly according to the present invention are described in detail, but the present invention is not limited by the above-described embodiments, and therefore, any improvements, equivalent modifications, substitutions and the like made in accordance with the technical gist of the present invention are within the scope of the present invention.
Claims (10)
1. An electrical connection component having a flat conductor, characterized by: including cable and flat conductor, the one end of flat conductor with the cable electricity is connected, the other end of flat conductor is equipped with connecting terminal, be equipped with the terminal contact piece on the connecting terminal, the terminal contact piece deviates from one side of connecting terminal is equipped with the solder layer.
2. Electrical connection element with flat conductors according to claim 1, characterized in that: the electric connection element further comprises an insulating sheath, the insulating sheath is sleeved outside the flat conductor, and the connecting terminal is exposed out of the insulating sheath.
3. Electrical connection element with flat conductors according to claim 1, characterized in that: the cross-section of the terminal contact piece is U-shaped, and the U-shaped groove of the terminal contact piece is used for being sleeved on the connecting terminal and is fixedly connected with the connecting terminal.
4. Electrical connection element with flat conductors according to claim 1, characterized in that: the cross-section of terminal contact piece is the rectangle, connecting terminal includes two surfaces of relative setting, the terminal contact piece is located on one of them surface of connecting terminal, just the terminal contact piece is located connecting terminal with between the solder layer.
5. Electrical connection element with flat conductors according to claim 1, characterized in that: the thickness of the terminal contact piece is 0.4 +/-0.1 mm.
6. Electrical connection element with flat conductors according to claim 1, characterized in that: the connecting terminal is a copper sheet.
7. Electrical connection element with flat conductors according to claim 1, characterized in that: the material of the terminal contact piece is red copper silver plating.
8. Electrical connection element with flat conductors according to claim 1, characterized in that: the terminal contact piece is formed on the connection terminal by plating, bonding, welding, or riveting.
9. Electrical connection element with flat conductors according to claim 1, characterized in that: a connecting part is arranged between the cable and the flat conductor.
10. A window glass assembly with an electrical connector element having flat conductors as claimed in any one of claims 1 to 9, wherein: the glass-coated conductive layer is characterized by comprising glass and a conductive layer arranged on the glass, wherein the conductive layer is electrically connected with the connecting terminal through the solder layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123050017.2U CN216980917U (en) | 2021-12-07 | 2021-12-07 | Electric connecting element with flat conductor and vehicle window glass assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123050017.2U CN216980917U (en) | 2021-12-07 | 2021-12-07 | Electric connecting element with flat conductor and vehicle window glass assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216980917U true CN216980917U (en) | 2022-07-15 |
Family
ID=82345593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123050017.2U Active CN216980917U (en) | 2021-12-07 | 2021-12-07 | Electric connecting element with flat conductor and vehicle window glass assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216980917U (en) |
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2021
- 2021-12-07 CN CN202123050017.2U patent/CN216980917U/en active Active
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