CN216250322U

CN216250322U - Combined electronic transformer shell

Info

Publication number: CN216250322U
Application number: CN202122949371.2U
Authority: CN
Inventors: 罗小毛; 罗琨
Original assignee: Nanchang Laitie Electric Appliance Co ltd
Current assignee: Nanchang Laitie Electric Appliance Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-08
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a combined electronic transformer shell which comprises a base, wherein the edge of the upper surface of the base is provided with a mounting hole, the upper part of the base is provided with an electronic transformer, the outer side of the electronic transformer is sleeved with a protective shell connected with the base, the middle part in the protective shell is provided with a back-shaped supporting plate, the inner side of the supporting plate is provided with a heat conducting plate, the upper surface of the heat conducting plate is provided with a pull handle, the upper part of the side wall of the protective shell is provided with an exhaust through groove, the upper part of the protective shell is slidably provided with a protective cover plate, the lower surface of the protective cover plate is provided with an air suction fan sucking air inwards, and the protective cover plate is provided with an air inlet through hole opposite to the air suction fan. The utility model is convenient for later-stage assembly and disassembly, and simultaneously improves the heat dissipation efficiency of the electronic transformer.

Description

Combined electronic transformer shell

Technical Field

The utility model relates to the technical field of electronic transformers, in particular to a combined electronic transformer shell.

Background

An electronic transformer, which is an electronic device for converting alternating voltage of commercial power into direct current and then forming a high-frequency alternating voltage output by a semiconductor switch device, an electronic element and a high-frequency transformer winding, is also an alternating current-direct current-alternating current inverter circuit taught in the theory of electronics, and in brief, the electronic transformer mainly comprises a high-frequency transformer magnetic core (iron core) and two or more coils, the positions of the high-frequency transformer magnetic core (iron core) and the two or more coils are not changed, the high-frequency transformer magnetic core (iron core) and the two or more coils are converted into alternating voltage and current by the action of electromagnetic induction from one or more than two electric loops, a shell is required to be arranged outside for protection when the electronic transformer is installed, the shell of the currently used electronic transformer has poor heat dissipation function, and the electronic transformer can influence work due to overhigh temperature.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a combined electronic transformer casing, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a combined electronic transformer shell comprises a base, wherein the edge of the upper surface of the base is provided with a mounting hole, and an electronic transformer is arranged at the upper part of the base; a protective shell connected with the base is sleeved on the outer side of the electronic transformer, and a back-shaped supporting plate is arranged in the middle of the protective shell; a heat conducting plate is arranged on the inner side of the supporting plate, and a pull handle is arranged on the upper surface of the heat conducting plate; an exhaust through groove is formed in the upper portion of the side wall of the protection shell, and a protection cover plate is arranged on the upper portion of the protection shell in a sliding mode; the lower surface of the protective cover plate is provided with an air exhaust fan which sucks air inwards, and the protective cover plate is provided with an air inlet through hole which is opposite to the air exhaust fan.

Preferably, a spring piece is arranged on one side of the supporting plate, and a positioning slot is formed in the opposite side edge of the supporting plate and the spring piece; one side of the heat conducting plate is provided with a positioning insertion plate matched with the positioning insertion groove.

Preferably, the upper surface of the heat conducting plate is uniformly provided with radiating fins.

Preferably, the upper part of the protective cover plate is fixedly clamped with a filter screen.

Compared with the prior art, the utility model provides a combined electronic transformer shell, which has the following beneficial effects:

1. the electronic transformer is isolated and protected by the base, the protective shell, the supporting plate and the heat conducting plate, the electronic transformer is prevented from being influenced by the external environment, and meanwhile, the heat conducting plate absorbs the heat generated by the electronic transformer to realize heat dissipation.

2. Through the air exhaust fan that sets up in the downside of protection apron, accelerate the heat exchange rate of heat-conducting plate and air to cooling effect accelerates.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

fig. 3 is a schematic cross-sectional view of a portion a in fig. 1.

In the figure: the air-conditioning device comprises a base 1, a mounting hole 100, an electronic transformer 2, a protective shell 3, an exhaust through groove 300, an air outlet through groove 30, a support plate 4, a heat conducting plate 5, a pull handle 6, a protective cover plate 7, an air inlet through hole 700, an air exhaust fan 8, a filter screen 9, a spring piece 10, a positioning plugboard 11 and a radiating fin 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an embodiment of a combined electronic transformer housing according to the present invention: a combined electronic transformer shell comprises a base 1, a mounting hole 100 is arranged at the edge of the upper surface of the base 1, an electronic transformer 2 is arranged at the upper part of the base 1, a protective shell 3 connected with the base 1 is sleeved outside the electronic transformer 2, a support plate 4 in a shape of a circle is arranged at the middle part in the protective shell 3, a heat conducting plate 5 is arranged at the inner side of the support plate 4, a pull handle 6 is arranged on the upper surface of the heat conducting plate 5, an exhaust through groove 300 is arranged at the upper part of the side wall of the protective shell 3, a protective cover plate 7 is slidably arranged at the upper part of the protective shell 3, an exhaust fan 8 sucking air inwards is arranged at the lower surface of the protective cover plate 7, an air inlet through hole 700 opposite to the exhaust fan 8 is arranged on the protective cover plate 7, the electronic transformer 2 is protected by the protective shell 3, and heat generated by the electronic transformer 2 is absorbed by the heat conducting plate 5, then air is extracted from the outside by the air extracting fan 8 to dissipate heat with the heat conducting plate 5.

In this embodiment, as shown in fig. 2, a spring leaf 10 is installed on one side of the supporting plate 4, a positioning slot is opened on the opposite side of the supporting plate 4 and the spring leaf 10, a positioning insertion plate 11 matched with the positioning slot is arranged on one side of the heat conducting plate 5, the heat conducting plate 5 is pushed by the elastic force of the spring leaf 10, so that the positioning insertion plate 11 of the heat conducting plate 5 is always inserted into the positioning slot, and the position of the heat conducting plate 5 is fixed.

In this embodiment, as shown in fig. 2 and 3, the heat radiating fins 12 are uniformly provided on the upper surface of the heat conducting plate 5, and the heat of the heat conducting plate 5 is transmitted and absorbed by the heat radiating fins 12, so that the contact area between the heat radiating portion and the air is increased, thereby improving the heat radiating efficiency.

In this embodiment, as shown in fig. 2, a filter screen 9 is fixed to the upper portion of the protective cover plate 7 in a clamping manner, and the air extracted from the outer side of the protective shell by the air extracting fan 8 is filtered by the filter screen 9, so that the air entering the protective shell is prevented from containing dust, and the dust is prevented from being attached to the radiating fins 12 to affect the radiating efficiency of the radiating fins.

The working principle is as follows: during installation, the wires of the electronic transformer 2 are connected firstly, then the positioning insertion plates 11 of the heat conduction plate 5 are inserted into the positioning insertion grooves, the heat conduction plate 5 is pushed by the elasticity of the spring pieces 10, the positioning insertion plates 11 of the heat conduction plate 5 are always inserted into the positioning insertion grooves, the position of the heat conduction plate 5 is fixed, and finally the protective cover plate 7 is installed on the protective shell 3.

The during operation, utilize protective housing 3 to protect electronic transformer 2, utilize heat-conducting plate 5 to absorb the heat that electronic transformer 2 produced, recycle fin 12 simultaneously and carry out the transmission absorption with heat-conducting plate 5 heat, thereby increase the area of contact of radiating part and air, utilize 8 from the outside extraction air of air exhaust fan, make air and heat-conducting plate 5 and the contact of fin 12 absorb the heat, high temperature air passes through exhaust through groove 300 discharge protective housing again, utilize filter screen 9 to contain the dust to the air that gets into in the protective housing simultaneously, avoid the dust to adhere to and influence its radiating efficiency on fin 12.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

In the description of the present invention, unless otherwise specified, "plurality" means two or more, and the terms "upper", "lower", "left", "right", "inside", "outside", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on those shown in the drawings, only for convenience of description and simplification of description, and do 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. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that the terms "connected" and "connected" are used broadly and are defined as, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, or an indirect connection via an intermediate medium, unless otherwise specifically stated or limited. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A modular electronic transformer shell, includes base (1), its characterized in that: the edge of the upper surface of the base (1) is provided with a mounting hole (100), and the upper part of the base (1) is provided with an electronic transformer (2); a protective shell (3) connected with the base (1) is sleeved on the outer side of the electronic transformer (2), and a back-shaped supporting plate (4) is arranged in the middle of the protective shell (3); a heat-conducting plate (5) is arranged on the inner side of the supporting plate (4), and a pull handle (6) is arranged on the upper surface of the heat-conducting plate (5); an exhaust through groove (300) is formed in the upper portion of the side wall of the protection shell (3), and a protection cover plate (7) is arranged on the upper portion of the protection shell (3) in a sliding mode; the lower surface of the protective cover plate (7) is provided with an air suction fan (8) which sucks air inwards, and the protective cover plate (7) is provided with an air inlet through hole (700) opposite to the air suction fan (8).

2. The modular electronic transformer housing of claim 1, wherein: a spring piece (10) is arranged on one side of the supporting plate (4), and a positioning slot is formed in the opposite side edge of the supporting plate (4) and the spring piece (10); one side of the heat conducting plate (5) is provided with a positioning insertion plate (11) matched with the positioning insertion groove.

3. The modular electronic transformer housing of claim 1, wherein: the upper surface of the heat conducting plate (5) is uniformly provided with radiating fins (12).

4. The modular electronic transformer housing of claim 1, wherein: and the upper part of the protective cover plate (7) is fixedly connected with a filter screen (9) in a clamping manner.