Novel small transformer

By improving the structural design and material selection of small transformers, problems such as signal interference, poor heat dissipation, and unstable magnetic core assembly were solved, resulting in better insulation, heat dissipation, and heat resistance performance, and extending service life.

CN223450677UActive Publication Date: 2025-10-17XIAMEN TONGCHUANG XINGKE ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202422123129.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-10-17
Estimated Expiration
2034-08-30

AI Technical Summary

Technical Problem

Existing small transformers are susceptible to external signal interference, signal disorder, poor insulation effect, untimely heat dissipation, heat accumulation, and cumbersome and unstable core assembly, which affect the normal operation and service life of electronic products.

Method used

The design of a magnetic core, a transformer coil, a first insulating seat, a second insulating seat, a protective shell, a PIN pin, a clamp and a clamping slot is adopted, and graphene and polyvinylidene fluoride materials are combined to improve the insulation effect, enhance the heat dissipation capacity, and simplify the assembly process of the magnetic core.

Benefits of technology

It enhances the insulation performance of the transformer, reduces signal interference, dissipates heat in time, improves heat resistance and service life, and simplifies the assembly process of the magnetic core.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of transformers, and discloses a novel small-sized transformer, which comprises a magnetic core, a transformation coil, a first insulating seat, a second insulating seat, a protective shell, PIN pins, a clamping piece and a clamping groove, the magnetic core is arranged on the first insulating seat, the second insulating seat is clamped on the first insulating seat, and the PIN pins are arranged on the protective shell. The first insulating seat and the second insulating seat limit and stabilize the position of the magnetic core, the transformation coil is arranged on the magnetic core, the PIN is installed on the first insulating seat and the second insulating seat and electrically connected with the transformation coil, clamping grooves are formed in the first insulating seat and the second insulating seat, and the clamping pieces are installed on the clamping grooves. By designing the transformer and adopting the magnetic core, the transformation coil, the first insulating seat, the second insulating seat, the protective shell, the PIN, the clamping piece and the clamping groove, the insulating effect of the transformer is improved, signal interference to electronic products is weakened, heat is dissipated in time, heat resistance and durability are achieved, magnetic core assembly is simplified, and the magnetic core is stably assembled.
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Description

TECHNICAL FIELD

[0001] The utility model relates to transformer technical field, concretely relates to a novel small transformer. BACKGROUND

[0002] With the extensive popularity of electronic products, small electronic transformers become indispensable components in many electronic products. There are some defects in small transformers on the market, that is, when working, they are interfered by external signals or interfere with external signals, which will affect the signal disorder of electronic products or components, affect the normal work of electronic circuits, etc. Today's transformers are all insulated by single polymer, which almost has no effect on insulating signals, and there is still a phenomenon of signal disorder. In addition, small transformers release heat when working, which will affect the internal transformer work if the heat cannot be released in time. In addition, the protective shell is not heat-resistant, which will affect the service life of the transformer. In addition, the magnetic core assembly is relatively complicated or unstable, which will affect the durability of the transformer in the later period.

[0003] Therefore, in view of the above problems, the existing transformer needs to be further improved. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at overcoming the phenomenon of poor insulation effect, easy signal disorder, no timely heat dissipation, no good heat resistance, complicated or unstable magnetic core assembly of the existing transformer. Through the rationalization design of the transformer, the magnetic core, the transformer coil, the first insulation seat, the second insulation seat, the protective shell, the PIN pin, the clamping piece and the clamping groove are adopted, which can improve the insulation effect of the transformer, weaken the signal interference of electronic products, dissipate heat in time and use durably, simplify the magnetic core assembly and stabilize the magnetic core assembly, etc.

[0005] The technical scheme of the utility model is as follows:

[0006] A new type of small transformer, the small transformer comprises a magnetic core, a transformer coil, a first insulating seat, a second insulating seat, a protective shell, a PIN pin, a clamping piece and a clamping groove, the magnetic core is installed on the first insulating seat, the second insulating seat is clamped on the first insulating seat, and the first insulating seat and the second insulating seat limit and stabilize the position of the magnetic core, the transformer coil is arranged on the magnetic core, the PIN pin is installed on the first insulating seat and the second insulating seat, and the PIN pin is electrically connected with the transformer coil, the first insulating seat and the second insulating seat are provided with the clamping groove, the clamping piece is installed on the clamping groove, the clamping piece is used for limiting and stabilizing the connection of the first insulating seat and the second insulating seat, the protective shell is installed on the clamping piece, the first insulating seat and the second insulating seat, and the protective shell is used for protecting the magnetic core, the transformer coil, the first insulating seat, the second insulating seat, the PIN pin, the clamping piece and the clamping groove.

[0007] Further, the magnetic core is a circular tube type magnetic core.

[0008] Further, the first insulating seat is a T-shaped first insulating seat, and the magnetic core is sleeved on the longitudinal direction of the T-shaped first insulating seat.

[0009] Further, the first insulating seat and the second insulating seat are clamped to form a H-shaped insulating seat, and the magnetic core is sleeved on the transverse direction of the H-shaped insulating seat.

[0010] Further, the protective shell is a square protective shell.

[0011] Further, the transformer coil comprises a main coil, a secondary coil and a barrier piece, the main coil, the secondary coil and the barrier piece are arranged on the magnetic core, and the main coil and the secondary coil are arranged on the two sides of the barrier piece; the PIN pin is electrically connected with the main coil and the secondary coil respectively; wherein the main coil and the secondary coil are wound on the magnetic core respectively; and the main coil and the secondary coil are both wound with insulating tape.

[0012] Further, the insulating tape is a polyethylene terephthalate material insulating tape.

[0013] Further, the main coil and the secondary coil are both copper wire material coils.

[0014] Further, the PIN pin is a pinched flower type PIN pin.

[0015] Further, the PIN pin is a metal copper material or a metal iron material.

[0016] Further, the barrier piece is a plastic material barrier piece.

[0017] Furthermore, the protective shell is made of metal.

[0018] Furthermore, an enhanced heat dissipation layer is provided on the outer surface of the protective shell, and a shielding layer is provided on the inner surface of the protective shell.

[0019] Furthermore, the enhanced heat dissipation layer includes a graphene layer and a polyvinylidene fluoride layer, the polyvinylidene fluoride layer is arranged on the outer surface of the protective shell, and the graphene layer is arranged on the polyvinylidene fluoride layer.

[0020] Furthermore, the shielding layer includes a polyvinylidene fluoride layer and a titanium dioxide layer. The polyvinylidene fluoride layer is arranged on the inner surface of the protective shell, and the titanium dioxide layer is provided on the polyvinylidene fluoride layer.

[0021] Beneficial effects

[0022] Through the rational design of the transformer, this utility model utilizes a magnetic core, transformer coil, first insulating seat, second insulating seat, protective shell, PIN pins, clamping parts, and clamping slots to improve the transformer's insulation, reduce signal interference with electronic products, promptly dissipate heat, and ensure heat resistance and durability. It also simplifies and stabilizes the magnetic core assembly. The multi-layer protective shell combines the heat resistance and durability of graphene with its effective heat dissipation. The combination of the protective shell, polyvinylidene fluoride, and titanium dioxide improves insulation and electromagnetic interference resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Fig. 1 This is a schematic structural diagram of a new type of small transformer in the utility model.

[0024] Fig. 2 The figure is a schematic diagram of the internal structure of a new type of small transformer of the present utility model.

[0025] Fig. 3 The utility model is a schematic diagram of the protective shell structure of a new type of small transformer.

[0026] Figure numbers: 01, protective shell; 02, PIN pin; 03, card; 04, first insulating seat; 05, card slot; 06, barrier; 07, transformer coil; 11, graphene layer; 12, outer polyvinylidene fluoride layer; 13, protective shell layer; 14, inner polyvinylidene fluoride layer; 15, titanium dioxide layer. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] Referring to Figs. 1-3 The utility model provides a novel small transformer, the small transformer includes: magnetic core, transformer coil 07, first insulating seat 04, second insulating seat, protective shell 01, PIN pin 02, clamp piece 03 and clamping groove 05, the magnetic core selects the magnetic core of round pipe type, the protective shell 01 selects the square protective shell, the protective shell 01 selects the protective shell of metal material, preferably the protective shell of aluminium material,

[0029] Among them, the magnetic core is installed on the first insulating seat 04, the second insulating seat is clamped on the first insulating seat 04, and the first insulating seat 04 and the second insulating seat limit and stabilize the position of the magnetic core, the transformer coil 07 is arranged on the magnetic core, the PIN pin 02 is installed on the first insulating seat 04 and the second insulating seat, and the PIN pin 02 is electrically connected with the transformer coil 07, the first insulating seat 04 and the second insulating seat are both provided with the clamping groove 05, the clamp piece 03 is installed on the clamping groove 05, and the clamp piece 03 is used for limiting and stabilizing the connection of the first insulating seat 04 and the second insulating seat, the protective shell 01 is installed on the clamp piece 03, the first insulating seat 04 and the second insulating seat, and the protective shell 01 is used for protecting the magnetic core, the transformer coil 07, the first insulating seat 04, the second insulating seat, the PIN pin 02, the clamp piece 03 and the clamping groove 05,

[0030] Among them, the first insulating seat 04 selects the T-shaped first insulating seat, and the magnetic core is sleeved on the longitudinal direction of the T-shaped first insulating seat, the first insulating seat 04 and the second insulating seat are clamped to form an H-shaped insulating seat, and the magnetic core is sleeved on the transverse direction of the H-shaped insulating seat.

[0031] Among them, the transformer coil 07 includes a main coil, a secondary coil and a barrier 06, the main coil, the secondary coil and the barrier 06 are all arranged on the magnetic core, and the main coil and the secondary coil are arranged on the two sides of the barrier 06; the PIN pin 02 is electrically connected with the main coil and the secondary coil respectively; wherein the main coil and the secondary coil are wound on the magnetic core respectively; the main coil and the secondary coil are both wound with insulating tape; the insulating tape selects the insulating tape of polyethylene terephthalate material; the main coil and the secondary coil both select the coil of metal copper wire material; the barrier 06 selects the barrier of plastic material;

[0032] Among them, the PIN pin 02 selects the PIN pin of the bite flower type, and the PIN pin 02 selects the metal copper material or the metal iron material;

[0033] The outer surface of the protective shell 01 is provided with a reinforced heat dissipation layer, and the inner surface of the protective shell 01 is provided with a shielding layer; wherein the reinforced heat dissipation layer comprises a graphene layer 11 and a polyvinylidene fluoride layer (an outer polyvinylidene fluoride layer 12), the polyvinylidene fluoride layer is arranged on the outer surface of the protective shell layer 13, and the graphene layer 11 is arranged on the polyvinylidene fluoride layer (the outer polyvinylidene fluoride layer 12); the shielding layer comprises a polyvinylidene fluoride layer (an inner polyvinylidene fluoride layer 14) and a titanium dioxide layer 15, the polyvinylidene fluoride layer (the inner polyvinylidene fluoride layer 14) is arranged on the inner surface of the protective shell layer 13, and the titanium dioxide layer 15 is arranged on the polyvinylidene fluoride layer (the inner polyvinylidene fluoride layer 14).

[0034] The specific embodiment of the utility model discloses: for the assembly of this transformer, select the plastic material and carry out the integrated molding processing of the insulating seat with the clamping groove, then the round tubular magnetic core sleeve is connected on the first insulating seat, the second insulating seat is clamped on the first insulating seat, and the magnetic core is fixed, then the plastic clamp is clamped in the clamping groove, and the first insulating seat and the second insulating seat are fixed, the main coil and the secondary coil are respectively wound on the corresponding magnetic core area, after winding, the insulating tape is wound on the coil, the PIN pin is passed through the insulating seat and is electrically connected with the corresponding main coil and secondary coil, then the protective shell is installed on the insulating seat and the clamp, and covers the magnetic core, and is sealedly connected with the insulating seat;The inside of the protective shell layer here is coated with a 150 μm thick polyvinylidene fluoride layer, a 50 μm thick titanium dioxide layer is coated on the polyvinylidene fluoride layer, a 150 μm thick polyvinylidene fluoride layer is coated on the outer surface of the protective shell layer, and a 10 μm thick graphene layer is coated on the polyvinylidene fluoride layer, finally the transformer is made.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A new type of small transformer, characterized in that: The small transformer includes: a magnetic core, a transformer coil, a first insulating seat, a second insulating seat, a protective shell, a PIN pin, a clamping piece and a clamping slot, the magnetic core is mounted on the first insulating seat, the second insulating seat is clamped on the first insulating seat, and the first insulating seat and the second insulating seat limit and stabilize the position of the magnetic core, the transformer coil is arranged on the magnetic core, the PIN pin is mounted on the first insulating seat and the second insulating seat, and the PIN pin is electrically connected to the transformer coil, the first insulating seat and the second insulating seat are both provided with the clamping slot, the clamping piece is mounted on the clamping slot, the clamping piece is used to limit and stabilize the connection between the first insulating seat and the second insulating seat, the protective shell is mounted on the clamping piece, the first insulating seat and the second insulating seat, and the protective shell is used to protect the magnetic core, the transformer coil, the first insulating seat, the second insulating seat, the PIN pin, the clamping piece and the clamping slot; Wherein, the magnetic core is a cylindrical magnetic core; Wherein, the protective shell is a square protective shell; The PIN pin is a textured PIN pin.

2. A novel small transformer according to claim 1, characterized in that: The transformer coil comprises a primary coil, a secondary coil and a barrier. The primary coil, the secondary coil and the barrier are all arranged on the magnetic core, and the primary coil and the secondary coil are arranged on both sides of the barrier.

3. A novel small transformer according to claim 2, characterized in that: The primary coil and the secondary coil are both made of metal copper wire.

4. A novel small transformer according to claim 2, characterized in that: The barrier member is made of plastic.

5. A novel small transformer according to claim 1, characterized in that: The protective shell is made of metal.

6. A novel small transformer according to claim 5, characterized in that: The outer surface of the protective shell is provided with an enhanced heat dissipation layer, and the inner surface of the protective shell is provided with a shielding layer.

7. A novel small transformer according to claim 6, characterized in that: The enhanced heat dissipation layer includes a graphene layer and a polyvinylidene fluoride layer. The polyvinylidene fluoride layer is arranged on the outer surface of the protective shell, and the graphene layer is arranged on the polyvinylidene fluoride layer.