CN210837391U

CN210837391U - Transformer with heat dissipation and shock resistance functions

Info

Publication number: CN210837391U
Application number: CN201921977752.8U
Authority: CN
Inventors: 陈恩註
Original assignee: Vanguard Zhuhai Magnetic Technology Co ltd
Current assignee: Vanguard Zhuhai Magnetic Technology Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-06-23
Anticipated expiration: 2029-11-15

Abstract

The utility model aims at providing a compact structure, stable performance's transformer that has heat dissipation antidetonation function. The utility model discloses a skeleton, winding group, protection piece, first iron core, second iron core and fixed subassembly, winding group twines on the wire winding groove of skeleton, the protection piece is the structure that longitudinal section is the U-shaped, the protection piece is located respectively on the both sides of winding group, first iron core and second iron core pass the recess of protection piece is passed through fixed subassembly is installed respectively on the both ends of skeleton, first iron core with the second iron core links up mutually, all be equipped with a plurality of baffle, a plurality of on the upper and lower of skeleton both sides all seted up the ventilation groove on the baffle. The utility model discloses be applied to the technical field of transformer structure.

Description

Transformer with heat dissipation and shock resistance functions

Technical Field

The utility model relates to a technical field of transformer structure, in particular to transformer with heat dissipation antidetonation function.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and has the main functions of: voltage transformation, current transformation, impedance transformation, isolation and the like, a transformer in electronic equipment is an indispensable electronic component, and the transformer is required to have good heat dissipation and shock resistance in some special equipment; the transformer mainly comprises a framework, a primary coil, a secondary coil and a magnetic core, wherein the primary coil and the secondary coil are mainly insulated by adhesive tapes, the coils can generate heat when the transformer works, the temperature in the transformer can rise along with the increase of the heat, the temperature in the transformer is difficult to drop even if a radiator is additionally arranged in the conventional transformer, the transformer cannot dissipate the heat because the transformer is wrapped by layers of adhesive tapes, the overhigh temperature rise is a defect of the transformer, and if the transformer runs for a long time under the condition of high temperature, copper wires can be accelerated to age seriously to cause the overheating of the transformer and be burnt out; in the aspect of earthquake resistance: 1. the existing transformer has the anti-seismic measures that the transformer framework and the magnetic core are fixed by dispensing and the periphery is wrapped with adhesive tapes; the glue dispensing and the fixing of the wrapping peripheral adhesive tape can play a certain role in resisting shock, but the wrapping adhesive tape can also bring difficulty to the heat dissipation of the transformer; 2. the skeleton is made of bakelite which is easy to form, high temperature resistant but brittle, and is not an ideal anti-seismic material; the existing transformer has a larger improvement space in the aspects of heat dissipation and shock resistance, and how to provide a novel shock-resistant transformer with strong heat dissipation becomes a problem to be solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a compact structure, stable performance's transformer with heat dissipation antidetonation function.

The utility model adopts the technical proposal that: the utility model discloses a skeleton, winding group, protection piece, first iron core, second iron core and fixed subassembly, winding group twines on the wire winding groove of skeleton, the protection piece is the structure that longitudinal section is the U-shaped, the protection piece is located respectively on the both sides of winding group, first iron core and second iron core pass the recess of protection piece is passed through fixed subassembly is installed respectively on the both ends of skeleton, first iron core with the second iron core links up mutually, all be equipped with a plurality of baffle, a plurality of on the upper and lower of skeleton both sides all seted up the ventilation groove on the baffle.

According to the scheme, through the arrangement of the ventilation grooves, the convection of air at two sides is increased, so that the air can enter the transformer to take away heat; the protective sheet is of a U-shaped structure with a longitudinal section, the protective sheet of the U-shaped structure is made of a transparent PC material with the thickness of 2.5 mm, and the PC material has high mechanical strength, high corrosion resistance and very good shock resistance and can well play a shock-resistant protection effect.

According to a preferable scheme, the winding group comprises a plurality of winding layers, insulating paper arranged between every two adjacent winding layers and a white cloth belt layer wound on the outer side of the outermost winding layer, and a plurality of meshes which are uniformly distributed are arranged on the white cloth belt layer.

Preferably, the insulation paper has a corrugated structure, and the corrugated structure forms the ventilation holes.

According to the scheme, NOMEX insulating paper with the thickness of 0.38 mm is adopted for insulation of the winding coil, the NOMEX insulating paper has high temperature resistance, high pressure resistance and good mechanical and flame retardant properties, the NOMEX insulating paper is processed into a corrugated structure, one layer of corrugated paper is wrapped around each layer of coil, the corrugated shape has good ventilation and quick heat dissipation and also has a buffering effect, the coil can not be broken by extrusion, the insulation and heat dissipation effects are realized, and the protection effect is also realized; the setting on white cloth belting layer, its insulation rating is high, and electric property is good, and its surface has been covered with the mesh, through the setting of mesh increases the utility model discloses a heat dispersion.

One preferred scheme is, fixed subassembly including be the stainless steel of U-shaped structure press from both sides and set up with the aluminum sheet board of stainless steel clamp looks adaptation through-hole, the aluminum sheet board pass through bolt, gasket and the through-hole with the stainless steel presss from both sides and is connected, first iron core with be equipped with on the second iron core with the fixed slot that stainless steel pressed from both sides looks adaptation.

According to the scheme, the stainless steel clamp sequentially comprises the fixing groove and the through hole, and finally the gasket and the bolt are used for connecting the stainless steel clamp with the aluminum sheet plate, so that the first iron core and the second iron core are locked on the framework.

According to a preferable scheme, pins are arranged on the baffle, and the pins and the baffle are installed by adopting an embedded structure.

According to the scheme, the pins are designed to be flat structures and embedded into the baffle, the embedded pins can have a good buffering effect under vibration or collision, the framework cannot be damaged, and the shock resistance is very high.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

fig. 3 is a schematic structural view of the winding set.

Detailed Description

As shown in fig. 1 to 3, in the present embodiment, the present invention includes a bobbin 1, a winding set 2, a protection sheet 3, a first iron core 4, a second iron core 5 and a fixing assembly 6, the winding group 2 is wound on the winding groove 7 of the framework 1, the protective sheet 3 is in a U-shaped structure with the longitudinal section, the protective sheets 3 are respectively arranged on two side edges of the winding group 2, the first iron core 4 and the second iron core 5 pass through the groove 8 of the protective sheet 3 and are respectively arranged on two ends of the framework 1 through the fixing components 6, the first iron core 4 is connected with the second iron core 5, a plurality of baffles 9 are arranged at the upper end and the lower end of the two sides of the framework 1, a plurality of ventilation slots 10 are arranged on the baffles 9, the baffle plate 9 is provided with pins 18, and the pins 18 and the baffle plate 9 are installed in an embedded structure.

Further, as shown in fig. 1 and 3, the winding group 2 includes a plurality of winding layers 11, an insulating paper 12 disposed between two adjacent winding layers 11, and a white cloth tape layer 13 wound on the outer side of the winding layer 11, the white cloth tape layer 13 is provided with a plurality of meshes uniformly arranged, the insulating paper 12 is in a corrugated structure, and the corrugated structure forms the ventilation holes.

Further, as shown in fig. 1 and 2, the fixing assembly 6 includes a stainless steel clip 14 having a U-shaped structure and an aluminum sheet 16 having a through hole 15 adapted to the stainless steel clip 14, the aluminum sheet 16 is connected to the stainless steel clip 14 through a bolt, a gasket and the through hole 15, and fixing grooves 17 adapted to the stainless steel clip 14 are disposed on the first iron core 4 and the second iron core 5.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a transformer with heat dissipation antidetonation function which characterized in that: it includes skeleton (1), winding group (2), protecting plate (3), first iron core (4), second iron core (5) and fixed subassembly (6), winding group (2) winding is in on winding groove (7) of skeleton (1), protecting plate (3) are the structure of longitudinal section for the U-shaped, protecting plate (3) are located respectively on the both sides limit of winding group (2), first iron core (4) and second iron core (5) pass recess (8) of protecting plate (3) and pass through fixed subassembly (6) are installed respectively on the both ends of skeleton (1), first iron core (4) with second iron core (5) link up mutually, all be equipped with a plurality of baffle (9), a plurality of on the upper and lower end of skeleton (1) both sides ventilating groove (10) have all been seted up on baffle (9).

2. The transformer with heat dissipation and shock resistance functions according to claim 1, wherein: the winding set (2) comprises a plurality of winding layers (11), insulating paper (12) arranged between every two adjacent winding layers (11) and a white cloth tape layer (13) wound on the outer side of the winding layers (11), wherein a plurality of meshes which are uniformly distributed are arranged on the white cloth tape layer (13).

3. The transformer with heat dissipation and shock resistance functions according to claim 2, wherein: the insulation paper (12) is of a corrugated structure, and the corrugated structure forms the ventilation holes.

4. The transformer with heat dissipation and shock resistance functions according to claim 1, wherein: fixed subassembly (6) including stainless steel clamp (14) that are the U-shaped structure and seted up with aluminum sheet board (16) of stainless steel clamp (14) looks adaptation through-hole (15), aluminum sheet board (16) through bolt, gasket and through-hole (15) with stainless steel clamp (14) are connected, first iron core (4) with be equipped with on second iron core (5) with fixed slot (17) of stainless steel clamp (14) looks adaptation.

5. The transformer with heat dissipation and shock resistance functions according to claim 1, wherein: the novel LED lamp is characterized in that pins (18) are arranged on the baffle (9), and the pins (18) and the baffle (9) are installed in an embedded structure.