CN212182112U - Transformer magnetic core grounding structure easy to produce and manufacture - Google Patents
Transformer magnetic core grounding structure easy to produce and manufacture Download PDFInfo
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- CN212182112U CN212182112U CN202020340906.9U CN202020340906U CN212182112U CN 212182112 U CN212182112 U CN 212182112U CN 202020340906 U CN202020340906 U CN 202020340906U CN 212182112 U CN212182112 U CN 212182112U
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Abstract
The utility model discloses a transformer magnetic core grounding structure which is easy to produce and manufacture, comprising a framework, a magnetic core and a winding; the framework is provided with a PIN needle; the magnetic core is arranged on the framework, the winding is wound on the framework, and a magnetic core grounding lead is reserved in the winding; the framework is convexly provided with a hanging fulcrum; the magnetic core grounding lead is wound on a PIN needle, the magnetic core grounding lead is bent upwards and wound on the hanging fulcrum, the wound end part of the magnetic core grounding lead faces the magnetic core, and the end part and the magnetic core are fixedly connected through conductive adhesive; so, through the design of hanging the fulcrum to it is fixed to make magnetic core ground connection lead wire twine in hanging the fulcrum and setting up the conducting resin of recycling towards the magnetic core, compares traditional magnetic core ground connection lead wire's technology, has guaranteed the contact stability between magnetic core ground connection lead wire and the magnetic core, has realized magnetic core ground connection lead wire's automation mechanized work, has improved the production efficiency of product, and simultaneously, the setting of conducting resin makes the contact between magnetic core ground connection lead wire and the magnetic core reliable, and the practicality is strong, and application scope is wide.
Description
Technical Field
The utility model belongs to the technical field of the transformer technique and specifically relates to indicate a magnetic core of transformer ground structure of easy production preparation.
Background
At present, a transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the transformer is widely used in various industries, so that the quantity of the transformer is huge, and manufacturers need to produce the transformer in large batch to meet the social requirements; generally, a high-frequency transformer mostly needs to have a grounded magnetic core, and the magnetic core is used as an outer shielding layer of the transformer to suppress electromagnetic interference; at present, one end of a lead is singly wound on a PIN needle, the other end of the lead is adhered on a copper foil, and then the copper foil is adhered on a magnetic core.
Later, a transformer core grounding structure has appeared, which is formed by winding a core grounding lead on a PIN, bending the core grounding lead upwards to contact the outer side of the core, and fixing the core grounding lead by using a conductive adhesive; however, the glue point of the core ground lead is located outside the magnetic core, on one hand, poor contact between the core ground lead and the magnetic core is easy to occur, so that the performance is failed, the use stability is not strong, on the other hand, the glue point is convexly located outside the magnetic core, the outer space of the magnetic core is occupied, the smoothness of the outer surface of the magnetic core is not facilitated, and when the other end of the core ground lead is bonded by using the conductive adhesive, the positioning of the core ground lead is troublesome, and the automation efficiency is affected.
Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a magnetic core of transformer ground structure of easy production preparation, and it has guaranteed the contact stability between magnetic core ground lead and the magnetic core through the design of hanging the fulcrum, has realized the automation mechanized work of magnetic core ground lead, has improved the production efficiency of product, and simultaneously, the setting of conducting resin for the contact between magnetic core ground lead and the magnetic core is reliable, and the practicality is strong, and application scope is wide.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a transformer magnetic core grounding structure easy to produce and manufacture comprises a framework, a magnetic core and a winding; wherein:
the skeleton is provided with a PIN needle; the magnetic core is arranged on the framework, the winding is wound on the framework, and a magnetic core grounding lead is reserved in the winding;
the framework is convexly provided with a hanging fulcrum; the magnetic core ground lead is wound on a PIN needle, the magnetic core ground lead is bent upwards and wound on the hanging fulcrum, and the wound end of the magnetic core ground lead faces the magnetic core and is fixedly connected with the magnetic core through conductive adhesive.
As a preferred scheme, the magnetic core comprises an upper magnetic core seat and a lower magnetic core seat, the upper magnetic core seat and the lower magnetic core seat are assembled and connected up and down, the front sides and the rear sides of the upper magnetic core seat and the lower magnetic core seat are correspondingly butted and spliced respectively, and the left side and the right side of the upper magnetic core seat and the right side of the lower magnetic core seat are opened;
the winding is arranged between the upper magnetic core seat and the lower magnetic core seat, the framework and the winding are exposed out of the opening respectively, and the hanging fulcrum is arranged at the upper end of the framework and exposed out of the opening.
As a preferable scheme, the left end and the right end of the upper magnetic core holder are respectively provided with a first concave part and a second concave part in an inward extending manner, the left side and the right side of the upper end of the framework are respectively exposed in the corresponding first concave part and the second concave part, the hanging support is exposed on the second concave part, a step surface lower than the top end of the upper magnetic core holder is formed at the upper end of the framework, the step surface is arranged in the second concave part, the hanging support is convexly arranged on the outer side of the step surface, the wound end part of the magnetic core grounding lead faces the inner side wall of the second concave part, and the end part and the inner side wall of the second concave part are fixedly connected through conductive glue in a.
As a preferred scheme, the step surface is concavely provided with a winding avoiding space.
As a preferable scheme, the upper end of the framework is provided with a convex plate which extends outwards, the convex plate is positioned at the rear side of the hanging fulcrum, a wire passing groove is formed between the convex plate and the hanging fulcrum in a surrounding manner, and the magnetic core grounding lead is bent upwards, penetrates through the wire passing groove and then is wound on the hanging fulcrum.
As a preferred scheme, the framework comprises a top plate, a bottom plate and a connecting part, the upper end and the lower end of the connecting part are respectively connected to the top plate and the bottom plate, the winding is wound on the connecting part, and the hanging fulcrum is arranged on the top plate.
Preferably, the magnetic core comprises an upper magnetic core seat and a lower magnetic core seat, and the magnetic core seat is provided with a plurality of magnetic cores.
Preferably, the conductive adhesive is in contact with a step surface of the framework.
Compared with the prior art, the utility model has obvious advantages and beneficial effect, concretely speaking, known from the above technical scheme, it is mainly through the design of hanging the fulcrum to make magnetic core ground connection lead twine hang the fulcrum and recycle conducting resin towards the magnetic core setting and fix, compare the technology of traditional magnetic core ground connection lead, guaranteed the contact stability between magnetic core ground connection lead and the magnetic core, realized the automation mechanized work of magnetic core ground connection lead, the production efficiency of the product is improved, simultaneously, the setting of conducting resin, make the contact between magnetic core ground connection lead and the magnetic core reliable, the structural design is simple, it is ingenious reasonable, therefore, the clothes hanger is strong in practicability, and wide in application scope;
and the winding avoiding space and the second concave part are arranged, so that the magnetic core grounding lead does not occupy the external space of the magnetic core, the smoothness of the surface of the outer side of the magnetic core is facilitated, meanwhile, the wire passing groove is arranged, the magnetic core grounding lead is positioned in the wire passing groove, the magnetic core grounding lead is prevented from being exposed outwards, the subsequent process flow is facilitated, the production efficiency of a product is improved, and the usability is good.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a first perspective view of an embodiment of the present invention;
fig. 2 is a second perspective view of the embodiment of the present invention;
FIG. 3 is a front view of an embodiment of the present invention;
fig. 4 is a right side view of an embodiment of the present invention;
fig. 5 is a top view of an embodiment of the present invention;
fig. 6 is a partially enlarged view of fig. 2.
The attached drawings indicate the following:
10. skeleton 11, PIN needle
12. Top plate 121, convex plate
122. Step surface 1221, winding avoiding space
123. Wire passing groove
13. Bottom plate 14, hanging fulcrum
20. Magnetic core 21, upper magnetic core seat
211. First concave part 212 and second concave part
22. Lower magnetic core seat 23 and insulating adhesive tape
30. Winding 31, core ground lead
311. End 32, conductive glue.
Detailed Description
Fig. 1 to 6 show specific structures of embodiments of the present invention.
A transformer magnetic core grounding structure easy to produce and manufacture comprises a framework 10, a magnetic core 20 and a winding 30; wherein:
the skeleton 10 is provided with a PIN needle 11; the magnetic core 20 is arranged on the framework 10, the winding 30 is wound on the framework 10, and a magnetic core grounding lead 31 is reserved in the winding 30;
the framework 10 is convexly provided with a hanging fulcrum 14; the core grounding lead 31 is wound on a PIN 11, the core grounding lead 31 is bent upwards and wound on the hanging point 14, the wound end 311 of the core grounding lead 31 faces the core 20, and the end 311 and the core 20 are bonded, fixed and conducted through a conductive adhesive 32; so, through the design of hanging the fulcrum, guaranteed the contact stability between magnetic core ground lead and the magnetic core, realized the automation mechanized work of magnetic core ground lead, improved the production efficiency of product, simultaneously, the setting of conducting resin for the contact between magnetic core ground lead and the magnetic core is reliable, and the practicality is strong, and application scope is wide.
As shown in fig. 1 and 2, the magnetic core 20 includes an upper magnetic core holder 21 and a lower magnetic core holder 22, the upper magnetic core holder 21 and the lower magnetic core holder 22 are assembled and connected up and down, the front and rear sides of the upper magnetic core holder 21 and the lower magnetic core holder 22 are respectively and correspondingly butted and spliced, and the left and right sides of the upper magnetic core holder 21 and the lower magnetic core holder 22 are open;
the winding 30 is arranged between the upper magnetic core holder 21 and the lower magnetic core holder 22, the framework 10 and the winding 30 are exposed at the opening respectively, and the hanging fulcrum 14 is arranged at the upper end of the framework 10 and exposed at the opening.
As shown in fig. 1, 2, 5, and 6, a first concave portion 211 and a second concave portion 212 are respectively formed at left and right ends of the upper magnetic core holder 21 in an inward extending manner, left and right sides of an upper end of the framework 10 are respectively exposed in the corresponding first concave portion 211 or second concave portion 212, the hanging support 14 is exposed on the second concave portion 212, a step surface 122 is formed at the upper end of the framework 10, the magnetic core grounding lead 31 is wound on the hanging support 14 and contacts the step surface 122 of the framework 10, and an end 311 of the magnetic core grounding lead 31 after being wound is disposed toward an inner wall of the second concave portion 212;
here, the upper end of the framework 10 has a protruding plate 121 extending outward, the protruding plate 121 is located at the rear side of the hanging fulcrum 14, a wire passing groove 123 is formed between the protruding plate 121 and the hanging fulcrum 14, and the core ground lead 31 is bent upward to pass through the wire passing groove 123 and then is wound on the hanging fulcrum 14; preferably, the stepped surface 122 is concavely provided with a winding avoiding space 1221; moreover, the conductive adhesive 32 contacts the step surface 122 of the framework 10; like this, realized that magnetic core ground lead does not occupy the magnetic core exterior space, be favorable to magnetic core outside surface smoothness, simultaneously, cross the setting of wire casing, be located the wire casing with magnetic core ground lead, prevent that magnetic core ground lead from outwards protruding to reveal, made things convenient for subsequent process flow, improved the production efficiency of product, the usability is good.
The framework 10 comprises a top plate 12, a bottom plate 13 and a connecting part, wherein the upper end and the lower end of the connecting part are respectively connected to the top plate 12 and the bottom plate 13, the winding 30 is wound on the connecting part, and the hanging fulcrum 14 is arranged on the top plate 12; here, the convex plate 121 extends outward from the lower portion of the right end of the top plate 12; and an insulating tape 23 is further provided, and the insulating tape 23 is wound around the outer sides of the upper core print 21 and the lower core print 22 in the front-back direction.
The utility model has the key design points that the magnetic core grounding lead is wound on the hanging fulcrum and is fixed by recycling the conductive adhesive towards the magnetic core setting through the design of the hanging fulcrum, compared with the traditional process of the magnetic core grounding lead, the contact stability between the magnetic core grounding lead and the magnetic core is ensured, the automatic work of the magnetic core grounding lead is realized, the production efficiency of products is improved, and meanwhile, the contact between the magnetic core grounding lead and the magnetic core is reliable due to the arrangement of the conductive adhesive, the structure design is simple, the structure is ingenious and reasonable, the practicability is strong, and the application range is wide;
and the winding avoiding space and the second concave part are arranged, so that the magnetic core grounding lead does not occupy the external space of the magnetic core, the smoothness of the surface of the outer side of the magnetic core is facilitated, meanwhile, the wire passing groove is arranged, the magnetic core grounding lead is positioned in the wire passing groove, the magnetic core grounding lead is prevented from being exposed outwards, the subsequent process flow is facilitated, the production efficiency of a product is improved, and the usability is good.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a magnetic core of transformer ground structure of easy production preparation which characterized in that: comprises a framework (10), a magnetic core (20) and a winding (30); wherein:
the skeleton (10) is provided with a PIN needle (11); the magnetic core (20) is arranged on the framework (10), the winding (30) is wound on the framework (10), and a magnetic core grounding lead (31) is reserved in the winding (30);
the framework (10) is convexly provided with a hanging fulcrum (14); the magnetic core grounding lead (31) is wound on a PIN (PIN) (11), the magnetic core grounding lead (31) is bent upwards and wound on the hanging support (14), the wound end part (311) of the magnetic core grounding lead (31) faces the magnetic core (20), and the end part (311) and the magnetic core (20) are fixedly connected through a conductive adhesive (32).
2. The transformer core grounding structure easy to manufacture according to claim 1, wherein: the magnetic core (20) comprises an upper magnetic core seat (21) and a lower magnetic core seat (22), the upper magnetic core seat (21) and the lower magnetic core seat (22) are assembled and connected up and down, the front sides and the rear sides of the upper magnetic core seat (21) and the lower magnetic core seat (22) are correspondingly butted and spliced respectively, and the left side and the right side of the upper magnetic core seat (21) and the right side of the lower magnetic core seat (22) are opened;
the winding (30) is arranged between the upper magnetic core seat (21) and the lower magnetic core seat (22), the framework (10) and the winding (30) are exposed out of the opening respectively, and the hanging fulcrum (14) is arranged at the upper end of the framework (10) and exposed out of the opening.
3. The transformer core grounding structure easy to manufacture according to claim 2, wherein: the left end and the right end of the upper magnetic core seat (21) are respectively provided with a first concave part (211) and a second concave part (212) in an inward extending mode, the left side and the right side of the upper end of the framework (10) are respectively exposed in the corresponding first concave part (211) and the corresponding second concave part (212), the hanging supporting point (14) is exposed on the second concave part (212), a step surface (122) lower than the top end of the upper magnetic core seat (21) is formed at the upper end of the framework (10), the step surface (122) is arranged in the second concave part (212), the hanging supporting point (14) is arranged on the outer side of the step surface (122) in a protruding mode, the end part (311) of the wound magnetic core grounding lead (31) faces the inner side wall of the second concave part (212), and the end part (311) and the inner side wall of the second concave part (212) are fixedly connected through in.
4. The transformer core grounding structure easy to manufacture according to claim 3, wherein: and a winding avoiding space (1221) is concavely arranged on the step surface (122).
5. The transformer core grounding structure easy to manufacture according to claim 3, wherein: the magnetic core grounding lead wire is characterized in that a convex plate (121) extending outwards is arranged at the upper end of the framework (10), the convex plate (121) is located on the rear side of the hanging support point (14), a wire passing groove (123) is formed between the convex plate (121) and the hanging support point (14) in a surrounding mode, and the magnetic core grounding lead wire (31) is bent upwards to penetrate through the wire passing groove (123) and then is wound on the hanging support point (14).
6. The transformer core grounding structure easy to manufacture according to claim 1, wherein: the framework (10) comprises a top plate (12), a bottom plate (13) and a connecting portion, the upper end and the lower end of the connecting portion are connected to the top plate (12) and the bottom plate (13) respectively, a winding (30) is wound on the connecting portion, and a hanging fulcrum (14) is arranged on the top plate (12).
7. The transformer core grounding structure easy to manufacture according to claim 2, wherein: the magnetic core is characterized by further comprising an insulating adhesive tape (23), wherein the insulating adhesive tape (23) is wound on the outer sides of the upper magnetic core seat (21) and the lower magnetic core seat (22) in a front-back mode.
8. The transformer core grounding structure easy to manufacture according to claim 3, wherein: the conductive adhesive (32) is in contact with a step surface (122) of the framework (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020340906.9U CN212182112U (en) | 2020-03-18 | 2020-03-18 | Transformer magnetic core grounding structure easy to produce and manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020340906.9U CN212182112U (en) | 2020-03-18 | 2020-03-18 | Transformer magnetic core grounding structure easy to produce and manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212182112U true CN212182112U (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020340906.9U Active CN212182112U (en) | 2020-03-18 | 2020-03-18 | Transformer magnetic core grounding structure easy to produce and manufacture |
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| Country | Link |
|---|---|
| CN (1) | CN212182112U (en) |
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- 2020-03-18 CN CN202020340906.9U patent/CN212182112U/en active Active
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