CN218069577U - Transformer terminal pin and transformer - Google Patents
Transformer terminal pin and transformer Download PDFInfo
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- CN218069577U CN218069577U CN202220984545.0U CN202220984545U CN218069577U CN 218069577 U CN218069577 U CN 218069577U CN 202220984545 U CN202220984545 U CN 202220984545U CN 218069577 U CN218069577 U CN 218069577U
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- spot welding
- enameled wire
- wire
- base body
- transformer
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Abstract
The utility model discloses a transformer terminal pin and transformer, wherein the transformer terminal pin includes: the base body is provided with a spot welding face part, the base body is used for being connected with an external framework, and the spot welding face part is used for being welded with an external enameled wire; the wire clamping block is connected with the base body and used for fixing an external enameled wire; the pins are connected with the base body and used for being welded with an external circuit board. The base member is connected with the skeleton of transformer, and after the enameled wire coiled on the skeleton formed the winding, the tip of enameled wire was fixed on the pincers line piece around the joint to this can restrict the tip removal of enameled wire, realizes the effect of pre-fixing, makes things convenient for follow-up spot welding operation. And spot welding is carried out on the spot welding face part so as to weld the enameled wire on the spot welding face part, and the electric connection of the stitch and the enameled wire is realized. Therefore, the spot welding face part is arranged on the base body, so that the base body is conveniently connected with the enameled wire in a spot welding mode, and the spot welding operation is more convenient.
Description
Technical Field
The utility model relates to a transformer field, in particular to transformer end pin and transformer.
Background
Transformers generally include a bobbin, a winding formed by winding an enameled wire around the bobbin, and a magnetic core. After the enameled wire is wound to form a winding, the head end and the tail end of the enameled wire are respectively wound on the end pins of the framework to clamp the wire and be pre-fixed, and the enameled wire is fixed and electrically connected with the end pins through tin immersion.
However, during the immersion tin processing, the temperature of the whole area is high, which may affect the insulating layer of the enameled wire and the product quality, and is not favorable for the product quality stability. In addition, in the tin immersion process, the condition that tin beads are splashed to the winding can occur, and the insulation layer of the winding is damaged due to the high-temperature tin beads, so that the turn-to-turn short circuit of the winding is caused, and potential safety hazards exist. In addition, the existing transformer terminal pin for tin immersion processing is inconvenient for processing operation except tin immersion, and the production efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a transformer end foot and transformer, it can make things convenient for the enameled wire to carry out spot welding with the base member, need not the wicking processing.
According to the utility model discloses transformer terminal pin of first aspect embodiment, include: the base body is provided with a spot welding face part, the base body is used for being connected with an external framework, and the spot welding face part is used for being welded with an external enameled wire; the wire clamping block is connected with the base body and used for fixing an external enameled wire; the pins are connected with the base body and used for being welded with an external circuit board.
According to the utility model discloses transformer terminal pin has following beneficial effect at least: the base member is connected with the skeleton of transformer, and after the enameled wire coiled on the skeleton formed the winding, the tip of enameled wire was fixed on the pincers line piece around the joint to this can restrict the tip removal of enameled wire, realizes the effect of pre-fixing, makes things convenient for follow-up spot welding operation. And spot welding is carried out on the spot welding face part so as to weld the enameled wire on the spot welding face part, and the electric connection of the pin and the enameled wire is realized. Therefore, the spot welding face part is arranged on the base body, so that the base body is conveniently connected with the enameled wire in a spot welding mode, and the spot welding operation is more convenient.
According to some embodiments of the present invention, the base body, the clamp wire block and the stitch are of an integral structure.
According to some embodiments of the invention, the spot welding face portion is coplanar with one of the side wall surfaces of the clamp wire block.
According to the utility model discloses a some embodiments, the stitch is provided with the portion of bending and welding plane portion, the portion of bending makes welding plane portion with the not coplane of spot welding face portion, welding plane portion can weld with external circuit board.
According to some embodiments of the invention, the jawset block is provided with a jawset recess, which can allow an external enameled wire to be wrapped inside.
According to some embodiments of the present invention, the clamp wire block is provided with a pre-breaking recess, the pre-breaking recess is located between the clamp wire recess and the base body.
According to the utility model discloses transformer of second aspect embodiment, including the skeleton, with winding, magnet and the foretell transformer end foot of at least one that the skeleton is connected, the base member with the skeleton is connected, the tip of winding is in around connecing on the pincers line piece, the winding with the facial welding of spot welding.
According to the utility model discloses transformer has following beneficial effect at least: the base body is connected with the framework, after the enameled wire is wound on the framework to form a winding, the end part of the enameled wire is wound on the wire clamping block to be pre-fixed, so that the end part of the enameled wire can be limited to move, and the follow-up spot welding operation is facilitated. And spot welding is carried out on the spot welding face part so as to weld the enameled wire on the spot welding face part, and the electric connection of the stitch and the enameled wire is realized. With this, be provided with spot welding face portion through the base member, make things convenient for base member and enameled wire spot welding to be connected, make spot welding operation more convenient and be favorable to improving spot welding quality, spot welding face portion can adapt spot welder automatic processing in addition, is favorable to improving machining efficiency, makes the finished product quality more stable.
According to some embodiments of the utility model, the skeleton is provided with the trough, skeleton parcel part the base member, spot welding face portion is located the bottom of trough, the enameled wire of winding is worn to locate the trough.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a perspective view of a transformer terminal pin according to an embodiment of the present invention;
fig. 2 is a perspective view of a transformer according to one embodiment of the present invention (the wire clamping block has been cut);
fig. 3 is an exploded perspective view of a transformer according to one embodiment of the present invention (the clamp wire block has been cut).
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.
The end foot of traditional transformer only is formed by the metal strip, and the metal strip is connected with the skeleton, and the enameled wire is wound and is carried out the pincers line on the metal strip, and this kind of structure is less by the metal strip, and the enameled wire only pincers line position and metal strip contact, pincers line position are close to the skeleton, only are fit for processing through the wicking. The spot welding is inconvenient to carry out, and the spot welding machine cannot be matched to realize automatic spot welding.
Referring to fig. 1 to 3, according to the embodiment of the present invention, a transformer terminal pin includes: the base body 100 is provided with a spot welding surface part 110, the base body 100 is used for being connected with an external framework 200, and the spot welding surface part 110 is used for being welded with an external enameled wire; the wire clamping block 120 is connected with the base body 100, and the wire clamping block 120 is used for fixing an external enameled wire; pins 130 connected to the base 100, wherein the pins 130 are used for soldering with an external circuit board.
The base body 100 is connected with the framework 200 of the transformer, after the enameled wire is wound on the framework 200 to form the winding 300, the end part of the enameled wire is wound and connected on the wire clamping block 120 to be fixed, so that the end part of the enameled wire can be limited to move, the pre-fixing effect is realized, and the subsequent spot welding operation is facilitated. Spot welding is performed on the spot welding surface portion 110 to weld the enamel wire to the spot welding surface portion 110, thereby achieving electrical connection between the pin 130 and the enamel wire. Therefore, the spot welding face portion 110 is arranged on the base body 100, so that the base body 100 is conveniently connected with the enameled wire in a spot welding mode, and the spot welding operation is more convenient and faster.
Referring to fig. 1, in some embodiments of the present invention, the base 100, the clamp wire block 120 and the pin 130 are an integral structure.
The base body 100, the clamp wire block 120 and the stitch 130 are integrally formed, which is beneficial to improving the strength of the whole structure. The base 100, the clamp wire block 120 and the stitch 130 may be integrally formed by stamping from a raw material plate.
Referring to fig. 1, in some embodiments of the present invention, the spot welding surface portion 110 is coplanar with one of the sidewall surfaces of the clamp wire block 120.
Referring to fig. 1 and 2, in some embodiments of the present invention, the pin 130 is provided with a bending portion 131 and a welding plane portion 132, the bending portion 131 makes the welding plane portion 132 and the spot welding plane portion 110 not coplanar, and the welding plane portion 132 can be welded with an external circuit board.
Stitch 130 makes welding plane portion 132 and spot welding face portion 110 not coplane through the portion 131 of bending, and after the enameled wire welded with spot welding face portion 110, the portion 131 of bending can avoid the enameled wire to hinder welding plane portion 132 and welding with external circuit board, is favorable to follow-up operation with transformer welding on the circuit board, makes the use more convenient.
Referring to fig. 1, in some embodiments of the present invention, the clamp wire block 120 is provided with a clamp wire recess 121, and the clamp wire recess 121 can allow an external enamel wire to be wrapped inside.
The wire clamping block 120 is provided with the wire clamping concave part 121, so that the enameled wire can be conveniently wound on the wire clamping block 120, the wire clamping concave part 121 enables the winding of the enameled wire to be more stable, the probability of occurrence of the sliding and loosening condition of the enameled wire is reduced, and the reliability is favorably improved.
Referring to fig. 1, in some embodiments of the present invention, the clamp wire block 120 is provided with a pre-breaking recess 122, and the pre-breaking recess 122 is located between the clamp wire recess 121 and the base body 100.
After the enameled wire is spot-welded on the spot welding face part 110, the wire clamping block 120 can be cut off, so that the finished product is smoother. The pre-breaking concave part 122 is arranged on the wire clamping block 120, so that the cutting processing can be conveniently carried out, and the cutting position is more stable.
Referring to fig. 2 and 3, a transformer according to an embodiment of the present invention includes a bobbin 200, a winding 300 connected to the bobbin 200, a magnet 400, and at least one transformer terminal pin as described above, the base 100 is connected to the bobbin 200, an end of the winding 300 is wound on the clamp block 120, and the winding 300 is welded to the spot welding surface 110.
The base body 100 is connected with the framework 200, after the enameled wire is wound on the framework 200 to form the winding 300, the end part of the enameled wire is wound on the wire clamping block 120 to be pre-fixed, so that the end part of the enameled wire can be limited to move, and the subsequent spot welding operation is facilitated. Spot welding is performed at the spot welding face portion 110 to weld the enamel wire on the spot welding face portion 110, so that the electrical connection of the pin 130 and the enamel wire is achieved. With this, be provided with spot welding face portion 110 through base member 100, make things convenient for base member 100 and enameled wire spot welding to be connected, make spot welding operation more convenient and be favorable to improving spot welding quality, spot welding face portion 110 can the spot welder automatic processing of adaptation in addition, is favorable to improving machining efficiency, makes finished product quality more stable.
The framework 200 can be connected with the substrate 100 by injection molding to achieve the effect of wrapping the substrate 100; the frame 200 may also be clamped and then thermally fused to wrap the substrate 100.
The utility model discloses an in some embodiments, the enameled wire adopts the enameled wire of high temperature resistant lacquer membrane to can adapt to more processing environment and service environment after making the transformer finished product dispatch from the factory.
Referring to fig. 2 and 3, in some embodiments of the present invention, the bobbin 200 is provided with a wiring groove 210, the bobbin 200 wraps a portion of the base 100, the spot welding surface portion 110 is located at the bottom of the wiring groove 210, and the enameled wire of the winding 300 is inserted into the wiring groove 210.
The framework 200 wraps part of the base body 100, the spot welding surface part 110 is positioned at the bottom of the wiring groove 210 of the framework 200 while fixing the base body 100 and the pins 130, the enameled wire of the winding 300 is arranged in the wiring groove 210 in a penetrating manner, and the enameled wire end part of the winding 300 is in wire-wound connection with the wire clamping block 120. Therefore, the enameled wire is arranged in the wire distributing groove 210 in a penetrating mode, the enameled wire can be protected from being collided and damaged, when the enameled wire is wound on the wire clamping block 120, the wall surface of the wire distributing groove 210 limits the movement of the enameled wire, and the position of the enameled wire can be more stable. The spot welding face 110 is located at the bottom of the wiring groove 210, the structure is ingenious, the space can be saved, meanwhile, the wiring groove 210 is matched to enable the enameled wire to be located in a more stable mode, and spot welding operation is convenient to conduct.
Use spot welding to replace the wicking, need carry out clear process after can saving traditional wicking to can avoid appearing the tin pearl and splash and cause the condition of harm to the insulating layer of winding 300, improve transformer off-the-shelf quality and security, can reduce the consumptive material simultaneously, reduction in production cost accords with the development theory of environmental protection, carbon neutralization. The base member 100 of transformer end foot is provided with spot welding face portion 110, makes things convenient for base member 100 and enameled wire spot welding to be connected, makes the spot welding operation more convenient and be favorable to improving the spot welding quality, and spot welding face portion 110 can the spot welder automatic processing of adaptation in addition, is favorable to improving machining efficiency, makes the finished product quality more stable.
After the enameled wire is spot-welded on the spot welding face portion 110, the enameled wire can be fixed by the welding spot, the enameled wire on the wire clamping block 120 and the enameled wire on the wire clamping block 120 are cut and removed, so that the outer portion of a finished product is more smooth, meanwhile, the phenomenon that the welding spot on the base body 100 is influenced by the scraping of the wire clamping block 120 and an external object is avoided, and the reliability is improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (8)
1. Transformer end foot, its characterized in that includes:
the base body (100) is provided with a spot welding face part (110), the base body (100) is used for being connected with an external framework (200), and the spot welding face part (110) is used for being welded with an external enameled wire;
the wire clamping block (120) is connected with the base body (100), and the wire clamping block (120) is used for fixing an external enameled wire;
pins (130) connected with the base body (100), wherein the pins (130) are used for being welded with an external circuit board.
2. The transformer terminal pin of claim 1, wherein: the base body (100), the wire clamping block (120) and the stitch (130) are of an integral structure.
3. The transformer terminal pin of claim 1, wherein: the spot welding surface part (110) is coplanar with one side wall surface of the clamp wire block (120).
4. The transformer terminal pin of claim 1, wherein: stitch (130) are provided with portion of bending (131) and welding plane portion (132), the portion of bending (131) makes welding plane portion (132) with spot welding face portion (110) is not coplane, welding plane portion (132) can weld with external circuit board.
5. The transformer terminal pin of claim 1, wherein: the wire clamping block (120) is provided with a wire clamping concave part (121), and the wire clamping concave part (121) can allow an external enameled wire to be wound inside.
6. The transformer terminal pin of claim 5, wherein: the wire clamping block (120) is provided with a pre-breaking concave part (122), and the pre-breaking concave part (122) is positioned between the wire clamping concave part (121) and the base body (100).
7. The transformer, its characterized in that: the transformer terminal pin comprises a framework (200), a winding (300) connected with the framework (200), a magnet (400) and at least one transformer terminal pin according to any one of claims 1 to 6, wherein the base body (100) is connected with the framework (200), the end part of the winding (300) is wound on the clamp wire block (120), and the winding (300) is welded with the spot welding surface part (110).
8. The transformer of claim 7, wherein: skeleton (200) are provided with trough (210), skeleton (200) parcel part base member (100), spot welding face portion (110) are located the bottom of trough (210), the enameled wire of winding (300) is worn to locate trough (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220984545.0U CN218069577U (en) | 2022-04-26 | 2022-04-26 | Transformer terminal pin and transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220984545.0U CN218069577U (en) | 2022-04-26 | 2022-04-26 | Transformer terminal pin and transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218069577U true CN218069577U (en) | 2022-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220984545.0U Active CN218069577U (en) | 2022-04-26 | 2022-04-26 | Transformer terminal pin and transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218069577U (en) |
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2022
- 2022-04-26 CN CN202220984545.0U patent/CN218069577U/en active Active
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