CN215183476U

CN215183476U - High-frequency transformer convenient to pass EMC test standard

Info

Publication number: CN215183476U
Application number: CN202121733558.2U
Authority: CN
Inventors: 范耘华; 谢贞清; 庞懋; 黄岗
Original assignee: Dongguan Ronghang Electronic Technology Co ltd
Current assignee: Dongguan Ronghang Electronic Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2021-12-14
Anticipated expiration: 2031-07-28

Abstract

The utility model relates to a high frequency transformer convenient to pass through EMC test standard, including protecting crust main part, high frequency transformer body, installation base and rotating electrical machines, the protecting crust main part front surface has set up the electromagnetic shield door of being connected with the inside articulated of protecting crust main part, and the material of electromagnetic shield door is electromagnetic shielding material, the inside fixed surface of protecting crust main part has connected the alloy stereotype, and alloy stereotype lower extreme fixed surface has connected nickel-copper alloy board, and nickel-copper alloy board lower extreme fixed surface has connected the electromagnetic shield net. A high frequency transformer convenient to pass through EMC test standard, have fine shielding electromagnetic radiation's effect, be convenient for through EMC test standard, still avoid during the use because electromagnetic radiation brings the injury to environment on every side, comparatively practical.

Description

High-frequency transformer convenient to pass EMC test standard

Technical Field

The utility model relates to a high frequency transformer technical field especially relates to a high frequency transformer convenient to pass through EMC test standard.

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.

In the process of production and use of the high-frequency transformer, an EMC test is needed to see whether the high-frequency transformer can be used until the high-frequency transformer reaches a qualified standard, the EMC test is also called electromagnetic compatibility (EMC) and refers to comprehensive evaluation of interference (EMI) and anti-interference capability (EMS) of an electronic product in the aspect of an electromagnetic field, but the traditional high-frequency transformer is poor in electromagnetic radiation resistance and cannot reach the standard of the test, and in addition, the electromagnetic radiation can cause damage to the surrounding environment due to radiation when the high-frequency transformer is used, so that the high-frequency transformer which is convenient for passing the EMC test standard is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high frequency transformer convenient to pass through EMC test standard has solved traditional high frequency transformer anti-electromagnetic radiation's among the prior art ability relatively poor, can not reach the standard of test, because electromagnetic radiation can cause the technical problem of injury to the surrounding environment because the radiation when using moreover.

The utility model provides a scheme as follows of above-mentioned technical problem: including protecting crust main part, high frequency transformer body, installation base and rotating electrical machines, the protecting crust main part front surface has set up the electromagnetic shield door of being connected with the inside articulated of protecting crust main part, and the material of electromagnetic shield door is electromagnetic shielding material, the inside fixed surface of protecting crust main part has connected the alloy stereotype, and alloy stereotype lower extreme fixed surface has connected the nickel-copper alloy board, and nickel-copper alloy board lower extreme fixed surface has connected the electromagnetic shield net.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the front end surface of the electromagnetic shielding door is fixedly connected with the handle, the lower end surface of the protective shell main body is fixedly connected with the supporting plate, and the lower end surface of the supporting plate is fixedly connected with the fixing base with the mounting hole in the surface.

Further, the upper end surface of the protective shell main body is provided with a rotating motor which is fixedly connected with the upper end surface of the protective shell main body through a connecting block fixedly connected with the upper end surface of the protective shell main body.

Furthermore, the output end of the rotating motor is fixedly connected with a rotating rod which penetrates through the protective shell main body, the alloy lead plate, the nickel-copper alloy plate and the electromagnetic shielding net and is rotatably connected with the penetrating part, and the lower end of the rotating rod is fixedly connected with the heat dissipation fan.

Further, the surface of the lower end inside the protective shell main body is fixedly connected with the lower end of the mounting base, and a limiting sliding plate which is connected with the inside of the mounting base in a sliding mode is arranged inside the mounting base.

Furthermore, the surface of the upper end of the limiting sliding plate is fixedly connected with a pressing sliding plate which penetrates through the mounting base and is in sliding connection with the penetrating part, and the surface of the upper end of the pressing sliding plate is provided with a mounting groove.

Further, the inside high frequency transformer body that has set up of mounting groove, push down slide upper end surface has set up the stopper, stopper lower extreme fixed connection run through push down the slide and with the slide bar that runs through position sliding connection, the slide bar surface set up with slide bar sliding connection's sliding sleeve.

Furthermore, the surface of the sliding rod is provided with a first damping spring of which two ends are respectively fixedly connected with the sliding sleeve and the mounting base, and one side of the sliding sleeve is fixedly connected with a second damping spring of which one end is fixedly connected with a fixed block fixedly connected with the lower end of the mounting base.

The utility model has the advantages that: the utility model provides a high frequency transformer convenient to pass through EMC test standard has following advantage:

1. through the combined action of the arranged alloy lead plate, the nickel-copper alloy plate, the electromagnetic shielding net and the electromagnetic shielding door, the high-frequency transformer can have good radiation protection and electromagnetic shielding effects, can conveniently pass the EMC test standard, and can avoid the damage to surrounding objects and environment due to electromagnetic radiation when in use;

2. through the cooperation of the rotating electrical machines that set up and heat dissipation fan, can carry out the heat dissipation processing to high frequency transformer, prevent that inside heat from bringing the damage to high frequency transformer, through the sliding sleeve that sets up and the effect of pushing down the slide, can pass through the pushing down of sliding sleeve to the overdraft that produces to drive damping spring one and damping spring two and push down, thereby carry out shock attenuation processing, avoid the overdraft to cause the damage to inner structure, play the effect of buffer protection.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic structural diagram of a high-frequency transformer that facilitates passing EMC test standards according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an internal structure of a main body of a shielding shell in a high frequency transformer for passing EMC test standards provided in FIG. 1;

fig. 3 is a schematic structural diagram of a mounting base in a high-frequency transformer for passing EMC test standards according to the present invention;

fig. 4 is a schematic diagram of an internal structure of a high-frequency transformer mounting base provided in fig. 1, which facilitates passing of EMC test standards.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a protective shell main body; 2. a rotating electric machine; 3. an electromagnetic shield door; 4. a fixed base; 5. rotating the rod; 6. a heat dissipation fan; 7. an alloy lead plate; 8. a nickel-copper alloy plate; 9. an electromagnetic shielding mesh; 10. a high-frequency transformer body; 11. installing a base; 12. mounting grooves; 13. a limiting block; 14. a sliding sleeve; 15. a slide bar; 16. a first damping spring; 17. a second damping spring; 18. the slide plate is pressed down.

Detailed Description

The principles and features of the present invention are described below in conjunction with the accompanying fig. 1-4, the examples given are intended to illustrate the present invention and are not intended to limit the scope of the invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-4, the utility model provides a high frequency transformer convenient to pass through EMC test standard, including protecting crust main part 1, high frequency transformer body 10, installation base 11 and rotating

electrical machines

2, 1 front surface of protecting crust main part has set up the electromagnetic shield door 3 of being connected with 1 inside articulated of protecting crust main part, and the material of electromagnetic shield door 3 is electromagnetic shield material, 1 inside fixed surface of protecting crust main part has connected alloy stereotype 7, and fixed surface has connected nickel copper alloy board 8 under the alloy stereotype 7, and fixed surface has connected electromagnetic shield net 9 under the nickel copper alloy board 8.

Preferably, the front end surface of the electromagnetic shielding door 3 is fixedly connected with the handle, the lower end surface of the protective shell main body 1 is fixedly connected with the supporting plate, the lower end surface of the supporting plate is fixedly connected with the fixing base 4 with the mounting hole on the surface, and the fixing base 4 is convenient for the protective shell main body 1 to be mounted.

Preferably, the upper end surface of the protective shell main body 1 is provided with the rotating motor 2 fixedly connected with the upper end surface of the protective shell main body 1 through the connecting block fixedly connected, and the rotating motor 2 can drive the heat dissipation fan 6 to rotate, so that heat dissipation treatment is performed.

Preferably, the output end of the rotating motor 2 is fixedly connected with a rotating rod 5 which penetrates through the protective shell main body 1, the alloy lead plate 7, the nickel-copper alloy plate 8 and the electromagnetic shielding net 9 and is rotatably connected with the penetrating part, the lower end of the rotating rod 5 is fixedly connected with a heat dissipation fan 6, and the heat dissipation fan 6 can perform heat dissipation treatment.

Preferably, the surface of the lower end inside the protective shell main body 1 is fixedly connected with the lower end of the mounting base 11, a limiting sliding plate which is connected with the inside of the mounting base 11 in a sliding manner is arranged inside the mounting base 11, and the limiting sliding plate can perform a limiting effect.

Preferably, the upper end surface of the limiting sliding plate is fixedly connected with a lower pressing sliding plate 18 which penetrates through the installation base 11 and is slidably connected with the penetrating part, the upper end surface of the lower pressing sliding plate 18 is provided with an installation groove 12, and the installation groove 12 is convenient for installing the high-frequency transformer body 10.

Preferably, the high-frequency transformer body 10 is arranged in the mounting groove 12, the surface of the upper end of the push-down sliding plate 18 is provided with a limiting block 13, the lower end of the limiting block 13 is fixedly connected with a sliding rod 15 which penetrates through the push-down sliding plate 18 and is slidably connected with the penetrating part, and the surface of the sliding rod 15 is provided with a sliding sleeve 14 which is slidably connected with the sliding rod 15.

Preferably, the surface of the sliding rod 15 is provided with a first damping spring 16, two ends of the first damping spring are respectively fixedly connected with the sliding sleeve 14 and the installation base 11, one side of the sliding sleeve 14 is fixedly connected with a second damping spring 17, the second damping spring 17 is fixedly connected with a fixed block fixedly connected with the lower end of the installation base 11, and the second damping spring 17 can perform a damping protection function.

The utility model discloses a concrete theory of operation and application method do:

the utility model provides a high-frequency transformer convenient to pass through EMC test standard, when carrying out EMC test, through the combined action of alloy stereotype 7, nickel-copper alloy board 8, electromagnetic shielding net 9 and electromagnetic shielding door 3, can make high-frequency transformer have fine radiation protection and electromagnetic shielding effect, be convenient for pass through EMC test, can also prevent electromagnetic radiation from causing harm to the external environment when carrying out subsequent installation and use, when the high-voltage inverter installed inside mounting groove 12 produces the downforce, through the downforce of pushing down slide plate 18, then drive sliding sleeve 14 to push down on the surface of slide bar 15, then drive damping spring one 16 and damping spring two 17 to compress, thereby cushion the downforce, thereby carry out the cushioning protection effect to high-frequency transformer, through the rotatory rotary rod 5 of the rotation of rotating electrical machines 2 rotation drive the rotary rod 5 to make the heat dissipation fan 6 rotate, therefore, the high-frequency transformer is subjected to heat dissipation treatment, and damage caused by overhigh internal heat is prevented.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the present invention can be smoothly implemented by those skilled in the art according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a high frequency transformer convenient to pass through EMC test standard, includes protecting crust main part (1), high frequency transformer body (10), installation base (11) and rotating electrical machines (2), its characterized in that, protecting crust main part (1) front surface has set up electromagnetic shield door (3) of being connected with protecting crust main part (1) inside articulated, and the material of electromagnetic shield door (3) is electromagnetic shield material, protecting crust main part (1) inside fixed surface has connected alloy stereotype (7), and alloy stereotype (7) lower extreme fixed surface has connected nickel copper alloy board (8), and nickel copper alloy board (8) lower extreme fixed surface has connected electromagnetic shield net (9).

2. A high frequency transformer facilitating passing EMC test standard according to claim 1, wherein the front end surface of the electromagnetic shield door (3) is fixedly connected with a handle, the lower end surface of the main body (1) of the shield case is fixedly connected with a support plate, and the lower end surface of the support plate is fixedly connected with a fixing base (4) with a mounting hole on the surface.

3. A high frequency transformer facilitating passage of EMC test standards according to claim 1, characterized in that the upper end surface of the shield case main body (1) is provided with a rotating electrical machine (2) fixedly connected to the upper end surface of the shield case main body (1) through a fixedly connected connection block.

4. The high frequency transformer convenient for passing the EMC test standard according to claim 1, wherein the output end of the rotating electrical machine (2) is fixedly connected with a rotating rod (5) which penetrates through the protective shell main body (1), the alloy lead plate (7), the nickel-copper alloy plate (8) and the electromagnetic shielding net (9) and is rotatably connected with the penetrating part, and the lower end of the rotating rod (5) is fixedly connected with the heat dissipation fan (6).

5. A high frequency transformer facilitating passing EMC test standards according to claim 1, characterized in that the inner lower end surface of the main body (1) of the protective shell is fixedly connected with the lower end of the mounting base (11), and a limit slide plate slidably connected with the inner part of the mounting base (11) is arranged inside the mounting base (11).

6. A high frequency transformer facilitating passing of EMC test standards according to claim 5, wherein said limiting slide has a lower slide (18) fixedly attached to its upper end surface, said lower slide (18) extending through said mounting base (11) and slidably attached to said extending portion, said lower slide (18) having an upper end surface provided with said mounting groove (12).

7. A high-frequency transformer facilitating passing of EMC test standards according to claim 6, wherein the mounting groove (12) is internally provided with a high-frequency transformer body (10), the upper end surface of the push-down sliding plate (18) is provided with a limiting block (13), the lower end of the limiting block (13) is fixedly connected with a sliding rod (15) which penetrates through the push-down sliding plate (18) and is slidably connected with the penetrating part, and the surface of the sliding rod (15) is provided with a sliding sleeve (14) which is slidably connected with the sliding rod (15).

8. A high frequency transformer facilitating passing of EMC test standard according to claim 7, characterized in that said sliding rod (15) is provided on its surface with a first damping spring (16) having both ends fixedly connected to the sliding sleeve (14) and the mounting base (11), respectively, and a second damping spring (17) fixedly connected to a fixed block fixedly connected to the lower end of the mounting base (11) is fixedly connected to one side of the sliding sleeve (14).