CN212322797U

CN212322797U - High-efficient radiating miniature transformer

Info

Publication number: CN212322797U
Application number: CN202021576433.9U
Authority: CN
Inventors: 卢其光
Original assignee: Foshan Shunde Wanxin Electron Electric Appliance Co ltd
Current assignee: Foshan Shunde Wanxin Electron Electric Appliance Co ltd
Priority date: 2020-08-03
Filing date: 2020-08-03
Publication date: 2021-01-08
Anticipated expiration: 2030-08-03

Abstract

The utility model discloses a high-efficient radiating miniature transformer, include: the transformer comprises a transformer body, a heat pipe and a protective cover, wherein the transformer body comprises a framework and a coil, side plates are arranged on two sides of the framework, heat pipe grooves are formed in the outer surfaces of the side plates, the heat pipe grooves are arranged along the axial direction of the side plates, the heat pipe is U-shaped, one end of the heat pipe is a heating section, the other end of the heat pipe is a cooling section, the heating section is installed in the heat pipe grooves and fixedly connected with the side plates, the cooling section is provided with heat dissipation fins, the heat dissipation fins are sleeved on the cooling section and fixedly connected with the cooling section, a fixing plate is arranged at the bottom of the framework, the fixing plate is fixedly connected with a bottom plate, the protective cover mounting bottom plate is provided. The utility model discloses can transmit the heat on the transformer body to the radiating fin fast through the heat pipe, the radiating efficiency is high, is equipped with the safety cover simultaneously, can protect the transformer body.

Description

High-efficient radiating miniature transformer

Technical Field

The utility model relates to a transformer technical field specifically is a high-efficient radiating miniature transformer.

Background

The miniature transformer mainly refers to a single-phase transformer below 20kV & A and a three-phase transformer below 50kV & A, and is characterized by small volume, low cost and less wire consumption. The load factor and the utilization rate of the small transformer are generally low, and the inductive load carried by the small transformer is not subjected to capacitive compensation generally.

Household appliances such as air conditioners can also use the miniature transformer, but the existing miniature transformer has the problem of poor heat dissipation effect, and the miniature transformer has the defects of high failure rate and short service life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient radiating miniature transformer to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high efficiency heat dissipating miniature transformer comprising: the transformer comprises a transformer body, a heat pipe and a protective cover, wherein the transformer body comprises a framework and a coil, side plates are arranged on two sides of the framework, heat pipe grooves are formed in the outer surfaces of the side plates, the heat pipe grooves are arranged along the axial direction of the side plates, the heat pipe is U-shaped, one end of the heat pipe is a heating section, the other end of the heat pipe is a cooling section, the heating section is installed in the heat pipe grooves and fixedly connected with the side plates, the cooling section is provided with heat dissipation fins, the heat dissipation fins are sleeved on the cooling section and fixedly connected with the cooling section, a fixing plate is arranged at the bottom of the framework, the fixing plate is fixedly connected with a bottom plate, the protective cover mounting bottom plate is provided.

As a further aspect of the present invention: the fin is made of shape memory alloy.

As a further aspect of the present invention: the fin and the heat dissipation holes are the same in size.

As a further aspect of the present invention: the heat pipes are arranged and distributed on the outer surface of the side plate in parallel array.

As a further aspect of the present invention: the fixed plate is detachably connected with the bottom plate.

As a further aspect of the present invention: the protective cover is detachably connected with the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can transmit the heat on the transformer body to the radiating fin fast through the heat pipe, then disperse the heat through radiating fin, the radiating efficiency is high, is equipped with the safety cover simultaneously, can protect the transformer body, is equipped with fin and louvre on the safety cover simultaneously, and when inside high temperature, the fin perk, the louvre is opened, plays supplementary radiating effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, in an embodiment of the present invention, a high-efficient radiating miniature transformer includes: the transformer comprises a transformer body, a heat pipe 3 and a protective cover 4, wherein the transformer body comprises a framework 2 and a coil 1, side plates 21 are arranged on two sides of the framework 2, a heat pipe groove 211 is formed in the outer surface of each side plate 21, the heat pipe groove 211 is axially arranged along the side plates 21, the heat pipe 3 is U-shaped, one end of each heat pipe is a heating section 31, the other end of each heat pipe is a cooling section 32, the heating sections 31 are installed in the heat pipe grooves 211 and fixedly connected with the side plates 21, meanwhile, the cooling sections 32 are provided with heat dissipation fins 321, and the heat dissipation fins 321 are sleeved on the cooling sections 32 and fixedly connected with the.

The heat pipes 3 are arranged in parallel on the outer surface of the side plate 21, and the heat pipes 3 are used for performing evaporation refrigeration, so that the temperature difference between two ends of each heat pipe 3 is large, heat is conducted quickly, heat on the transformer body is quickly transferred to the heat dissipation fins 321, and then the heat is dissipated through the heat dissipation fins 321.

The bottom of the framework 2 is provided with a fixing plate 22, the fixing plate 22 is fixedly connected with a bottom plate 42, the protective cover 4 is arranged on the bottom plate 42, the fixing plate 22 is detachably connected with the bottom plate 42, the protective cover 4 can play a role of anti-collision protection for the transformer body, in addition, the surface of the protective cover 4 is provided with heat dissipation holes, the positions of the heat dissipation holes are provided with fins 41, the sizes of the fins 41 and the heat dissipation holes are the same, the fins 41 are made of shape memory alloy materials, when the temperature in the protective cover 4 is overhigh, the fins 41 can be tilted, at the moment, the heat dissipation holes are opened to play a role of auxiliary heat dissipation, when the temperature is reduced, the fins 41 recover,

it is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high efficiency heat dissipating miniature transformer comprising: transformer body, heat pipe (3) and safety cover (4), its characterized in that: the transformer body comprises a framework (2) and a coil (1), side plates (21) are arranged on two sides of the framework (2), heat pipe grooves (211) are formed in the outer surfaces of the side plates (21), the heat pipe grooves (211) are axially arranged along the side plates (21), the heat pipes (3) are U-shaped, one ends of the heat pipes are heating sections (31) and one ends of the heat pipes are cooling sections (32), the heating sections (31) are installed in the heat pipe grooves (211) and fixedly connected with the side plates (21), meanwhile, the cooling sections (32) are provided with heat dissipation fins (321), the heat dissipation fins (321) are sleeved on the cooling sections (32) and fixedly connected with the cooling sections (32), a fixing plate (22) is arranged at the bottom of the framework (2), the fixing plate (22) is fixedly connected with a bottom plate (42), a protective cover (4) is installed on the bottom plate (42), and heat dissipation holes are formed in the surface of, and fins (41) are arranged at the positions of the heat dissipation holes.

2. A small-sized transformer with high heat dissipation efficiency as set forth in claim 1, wherein: the fin (41) is made of shape memory alloy.

3. A small-sized transformer with high heat dissipation efficiency as set forth in claim 2, wherein: the fin (41) and the heat dissipation holes are the same in size.

4. A small-sized transformer with high heat dissipation efficiency as set forth in claim 1, wherein: the heat pipes (3) are arranged in parallel and distributed on the outer surface of the side plate (21).

5. A small-sized transformer with high heat dissipation efficiency as set forth in claim 1, wherein: the fixing plate (22) is detachably connected with the bottom plate (42).

6. A small-sized transformer with high heat dissipation efficiency as set forth in claim 1, wherein: the protective cover (4) is detachably connected with the bottom plate (42).