CN210575350U

CN210575350U - High-frequency transformer

Info

Publication number: CN210575350U
Application number: CN201921134810.0U
Authority: CN
Inventors: 黄长亿; 潘顺隆
Original assignee: DONGGUAN DAYAN ELECTRICAL APPLIANCES CO LTD
Current assignee: DONGGUAN DAYAN ELECTRICAL APPLIANCES CO LTD
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-05-19
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses a high-frequency transformer, including protective housing, protective housing one side is provided with the breakwater, the breakwater lower extreme is provided with ventilative net, the protective housing lower extreme is provided with the bearing piece, bearing piece lower extreme is provided with the terminal, the protective housing is inside to be provided with the bearing, the bearing lower surface is provided with the blade, the baffle is vertically established to the bottom plate both sides, be provided with the ring turns between the bottom plate, a high-frequency transformer, through setting up fan and ventilative net, can dispel the heat to the transformer betterly, avoid the machine to overheat and cause the damage, increase transformer life; the design of the clamping groove is convenient for taking out, cleaning and replacing the breathable net; through set up the breakwater in ventilative net upper end, can avoid the rainwater to get into the transformer through ventilative net inside, arouse unnecessary machine to damage to increase transformer life, will bring better use prospect.

Description

High-frequency transformer

Technical Field

The utility model relates to a high frequency transformer field, in particular to high frequency transformer.

Background

The high-frequency transformer is a power transformer with the working frequency exceeding the intermediate frequency (10kHz), is mainly used as a high-frequency switching power transformer in a high-frequency switching power supply, and is also used as a high-frequency inverter power transformer in a high-frequency inverter power supply and a high-frequency inverter welding machine. A transformer is a device for transforming ac voltage, current and impedance, and when an ac current flows through a primary winding, an ac magnetic flux is generated in an iron core (or a magnetic core), so that a voltage (or a current) is induced in a secondary winding. The high-frequency transformer is the most important component of the switching power supply. The switching power supply generally adopts a half-bridge type power conversion circuit, two switching triodes are conducted in turn to generate 100kHz high-frequency pulse waves during working, then voltage reduction is carried out through a high-frequency transformer, low-voltage alternating current is output, and the turn ratio of each winding coil of the high-frequency transformer determines the output voltage. The transformer consists of an iron core (or a magnetic core) and a coil, wherein the coil is provided with two or more than two windings, the winding connected with a power supply is called a primary coil, and the other windings are called secondary coils. High-frequency transformers on the market can emit more heat during working, and internal parts of the machine can be damaged due to overheating of the machine, so that the service life of the high-frequency transformers is influenced; in addition, most of high-frequency transformers are applied outdoors, water is easy to enter in rainy days, so that circuits are damaged, and the service life of the high-frequency transformers is influenced.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a high frequency transformer, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high-frequency transformer, includes protective housing, protective housing one side is provided with the breakwater, the breakwater lower extreme is provided with ventilative net, the protective housing lower extreme is provided with the bearing piece, bearing piece lower extreme is provided with the terminal, the inside bearing that is provided with of protective housing, the bearing lower surface is provided with the blade, the blade lower extreme is provided with the bottom plate, the vertical baffle that is provided with in bottom plate both sides, be provided with the circle between the bottom plate, the inside draw-in groove that is provided with in protective housing one side, ventilative net upper end is provided with the handle.

Preferably, the protective shell is made of a stainless steel sheet, and the water baffle is fixedly welded on one side of the protective shell.

Preferably, the number of the breathable nets is two, and the two groups of breathable nets are vertically arranged on two sides of the protective shell.

Preferably, the upper end face of the bearing block is fixedly welded with the lower end face of the baffle, and the bearing blocks are symmetrically distributed about the center line of the protective shell.

Preferably, the number of the binding posts is a plurality of groups, and the plurality of groups of binding posts are symmetrically distributed about the central line of the protective shell.

Preferably, the blades are symmetrical about the center line of the bearing, and the blades are annularly distributed on the lower end face of the bearing.

Preferably, the clamping groove is rectangular, the size of the clamping groove is larger than that of the breathable net, and the size of the clamping groove is matched with that of the breathable net.

Preferably, the handles are fixedly welded to the upper end face of the air permeable net, and the handles are symmetrically distributed about the center line of the protective shell.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. according to the high-frequency transformer, the fan and the ventilation net are arranged, so that the transformer can be well radiated, damage caused by overheating of a machine is avoided, and the service life of the transformer is prolonged; the design of the clamping groove is convenient for taking out, cleaning and replacing the breathable net; the ventilation nets on the two sides of the protective shell form convection, so that the air circulation can be increased, and the heat dissipation effect is improved.

2. According to the high-frequency transformer, the water baffle is arranged at the upper end of the breathable net, so that rainwater can be prevented from entering the transformer through the breathable net to cause unnecessary machine damage, and the service life of the transformer is prolonged; the shadow formed under the water baffle can also prevent the transformer from being irradiated by sunlight, and the transformer is indirectly cooled.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a high-frequency transformer according to the present invention;

fig. 2 is an internal structural view of a high-frequency transformer according to the present invention;

fig. 3 is a transformer structure diagram of a high frequency transformer according to the present invention;

fig. 4 is the utility model relates to a high frequency transformer's ventilative net structure sketch map.

In the figure: 1. a protective housing; 2. a water baffle; 3. a breathable net; 4. a bearing block; 5. a binding post; 6. a bearing; 7. a blade; 8. a baffle plate; 9. a base plate; 10. winding; 11. a card slot; 12. a handle.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a high-frequency transformer comprises a protective casing 1, a water baffle 2 is arranged on one side of the protective casing 1, a breathable net 3 is arranged at the lower end of the water baffle 2, a bearing block 4 is arranged at the lower end of the protective casing 1, a binding post 5 is arranged at the lower end of the bearing block 4, a bearing 6 is arranged inside the protective casing 1, a blade 7 is arranged on the lower surface of the bearing 6, a bottom plate 9 is arranged at the lower end of the blade 7, baffle plates 8 are vertically arranged on two sides of the bottom plate 9, a turn ring 10 is arranged between the bottom plates 9, a clamping groove 11 is arranged inside one side of.

The protective shell 1 is made of a stainless steel sheet, so that water can be prevented, the situation that rainwater is rusted and damaged due to long-time contact is avoided, the water baffle 2 is fixedly welded on one side of the protective shell 1, the situation that rainwater enters the transformer through the breathable net 3 to cause unnecessary machine damage is avoided, the service life of the transformer is prolonged, and the transformer can be prevented from being irradiated by sunlight due to shadows formed under the water baffle 2 to indirectly cool the transformer; the number of the breathable nets 3 is two, and the two groups of breathable nets 3 are vertically arranged on two sides of the protective shell 1 to form convection, so that the transformer can be well cooled, and damage caused by overheating of a machine is avoided; the upper end face of the bearing block 4 is fixedly welded with the lower end face of the baffle plate 8, and the bearing blocks 4 are symmetrically distributed about the central line of the protective shell 1 and used for placing the bottom plate 9; the number of the binding posts 5 is a plurality of groups, and the plurality of groups of binding posts 5 are symmetrically distributed around the central line of the protective shell 1 and are used for connecting a power line; the blades 7 are symmetrical about the central line of the bearing 6, and the blades 7 are annularly distributed on the lower end face of the bearing 6 and used for increasing the air flow rate so as to dissipate heat of the transformer; the clamping groove 11 is rectangular, the size of the clamping groove 11 is larger than that of the breathable net 3, and the size of the clamping groove 11 is matched with that of the breathable net 3 and used for mounting, dismounting and cleaning the breathable net 3; the handle 12 is fixedly welded on the upper end surface of the breathable net 3, and the handle 12 is symmetrically distributed about the central line of the protective shell 1 and used for pulling and indirectly mounting, dismounting and cleaning the breathable net 3.

It should be noted that, the utility model relates to a high-frequency transformer, different from the common high-frequency transformer, the high-frequency transformer is provided with the fan and the ventilation net 3, so that the transformer can be better radiated, the damage caused by overheating of the machine is avoided, and the service life of the transformer is prolonged; the design of the clamping groove 11 is convenient for taking out, cleaning and replacing the breathable net 3, the handle 12 is pinched from the upper end of the protective shell 1, the breathable net 3 is inserted into the clamping groove 11 and is pressed downwards to the bottom, namely, the installation is finished, then the cleaning, replacement and other activities of the breathable net 3 can be carried out, on the other hand, the breathable nets 3 on the two sides of the protective shell 1 form convection, the air circulation can be increased, and the heat dissipation effect is improved; the water baffle 2 is arranged at the upper end of the breathable net 3, so that rainwater can be prevented from entering the transformer through the breathable net 3 to cause unnecessary machine damage, and the service life of the transformer is prolonged; in addition, the shadow that forms under breakwater 2 can also make the transformer avoid shining in sunshine, indirectly cools down for the transformer, and is comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A high-frequency transformer comprising a protective casing (1), characterized in that: protective housing (1) one side is provided with breakwater (2), breakwater (2) lower extreme is provided with ventilative net (3), protective housing (1) lower extreme is provided with bearing piece (4), bearing piece (4) lower extreme is provided with terminal (5), protective housing (1) inside is provided with bearing (6), bearing (6) lower surface is provided with blade (7), blade (7) lower extreme is provided with bottom plate (9), the vertical baffle (8) that is provided with in bottom plate (9) both sides, be provided with circle between bottom plate (9) and circle (10), protective housing (1) one side inside is provided with draw-in groove (11), ventilative net (3) upper end is provided with handle (12).

2. A high-frequency transformer according to claim 1, characterized in that: the protective shell (1) is made of a stainless steel sheet, and the water baffle (2) is fixedly welded on one side of the protective shell (1).

3. A high-frequency transformer according to claim 1, characterized in that: the number of the breathable nets (3) is two, and the two groups of breathable nets (3) are vertically arranged on two sides of the protective shell (1).

4. A high-frequency transformer according to claim 1, characterized in that: the upper end face of the bearing block (4) is fixedly welded with the lower end face of the baffle (8), and the bearing blocks (4) are symmetrically distributed about the center line of the protective shell (1).

5. A high-frequency transformer according to claim 1, characterized in that: the number of the binding posts (5) is a plurality of groups, and the plurality of groups of binding posts (5) are symmetrically distributed around the central line of the protective shell (1).

6. A high-frequency transformer according to claim 1, characterized in that: the blades (7) are symmetrical about the central line of the bearing (6), and the blades (7) are annularly distributed on the lower end face of the bearing (6).

7. A high-frequency transformer according to claim 1, characterized in that: the clamping groove (11) is rectangular, the size of the clamping groove (11) is larger than that of the breathable net (3), and the size of the clamping groove (11) is matched with that of the breathable net (3).

8. A high-frequency transformer according to claim 1, characterized in that: the handles (12) are fixedly welded on the upper end surface of the breathable net (3), and the handles (12) are symmetrically distributed relative to the central line of the protective shell (1).