CN210429477U

CN210429477U - Bilateral high-frequency transformer

Info

Publication number: CN210429477U
Application number: CN201921884648.4U
Authority: CN
Inventors: 任航
Original assignee: Foshan Jiechuang Technology Co ltd
Current assignee: Foshan Jiechuang Technology Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-04-28
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a bilateral high-frequency transformer, including shell, center post and magnetic core coil, the magnetic core coil is arranged in the shell, the center post is installed magnetic core coil is last, the shell comprises epitheca and inferior valve, set up relatively between epitheca and the inferior valve, just all have on epitheca and the inferior valve and be curved inner wall, epitheca and inferior valve are pieced together and are used for the holding magnetic core coil's square casing, just the clearance has between epitheca and the inferior valve, the center post comprises two semicylinders of splicing each other, the both ends of semicylinder all through setting up the connecting plate with epitheca or inferior valve are connected, and through such mode, whole dismouting is convenient, and convenient to use effectively reduces manufacturing cost simultaneously.

Description

Bilateral high-frequency transformer

Technical Field

The utility model relates to a transformer technical field especially relates to a bilateral 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. According to the working frequency, the method can be divided into several grades: 10kHz-50kHz, 50kHz-100kHz, 100 kHz-500 kHz, 500 kHz-1 MHz and more than 10 MHz.

However, in practical applications, most transformer housings on the market are integrally formed, different molds are required to manufacture corresponding housings when magnetic cores with different sizes are encountered, the manufacturing cost is high, the production efficiency is not high, the size adjustment is inflexible, and the installation mode is single, so that a novel high-frequency transformer needs to be developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bilateral high frequency transformer, whole dismouting is convenient, convenient to use, effective reduction in production cost simultaneously.

In order to achieve the above purpose, the technical scheme of the utility model has:

the utility model provides a bilateral high-frequency transformer, includes shell, center post and magnetic core coil, the magnetic core coil is arranged in the shell, the center post installation on the magnetic core coil, the shell comprises epitheca and inferior valve, set up relatively between epitheca and the inferior valve, just all have on epitheca and the inferior valve and be curved inner wall, epitheca and inferior valve are pieced together and are used for the holding the square casing of magnetic core coil, just the clearance has between epitheca and the inferior valve, the center post comprises two semicylinders of splicing each other, the both ends of semicylinder all through setting up the connecting plate with epitheca or inferior valve are connected.

Wherein, the shell is an aluminum shell or a copper shell.

And the two sides of the inner wall are provided with strip-shaped outer wall surfaces on the upper shell or the lower shell.

Wherein, the magnetic core coil comprises annular magnetic core and coil of winding on annular magnetic core.

The utility model discloses a bilateral high frequency transformer, its beneficial effect is: 1. the double-opening-side design is adopted, the double-opening-side magnetic core coil is composed of an upper shell, a lower shell and two semi-cylinders, the connecting modes of the upper shell, the lower shell and the two semi-cylinders are various, the double-opening-side magnetic core coil can be suitable for different production scenes, and the square shell formed by the upper shell and the lower shell can be suitable for installation and use of various magnetic core coils with different sizes, so that the production cost is effectively reduced; 2. the whole structure is simple, and the later maintenance is easy, so that the service life of the device is prolonged.

Drawings

FIG. 1 is a diagram of a double-sided high frequency transformer;

FIG. 2 shows a first connection of a double-sided high-frequency transformer;

fig. 3 shows a first connection mode of the double-sided high-frequency transformer.

The reference numbers in the figures illustrate: 1. a magnetic core coil; 2. an upper shell; 3. a lower case; 4. a first connection end; 5. a second connection end; 6. a third connection end; 7. a fourth connection end; 8. a first half cylinder; 9. a fifth connection end; 10. a sixth connection end; 11. a second semi-cylinder; 12. a seventh connection end; 13. an eighth connection end; 14. a first connecting plate; 15. a second connecting plate; 16. a third connecting plate; 17. a fourth connecting plate; 18. an outer wall surface; 19. a negative side.

Detailed Description

The present invention is a double-sided high-frequency transformer, which is described with reference to the accompanying drawings.

As shown in fig. 1, as a preferred embodiment of the present invention:

the utility model provides a bilateral high-frequency transformer, includes shell, center post and magnetic core coil 1, magnetic core coil 1 arranges in the shell, the center post installation on the magnetic core coil 1, the shell comprises epitheca 2 and inferior valve 3, set up relatively between epitheca 2 and the inferior valve 3, just all have on epitheca 2 and the inferior valve 3 to be curved inner wall, epitheca 2 and inferior valve 3 piece together for the holding the square casing of magnetic core coil 1, just have the clearance between epitheca 2 and the inferior valve 3, the center post comprises two semicylinders of splicing each other, the both ends of semicylinder all through set up the connecting plate with epitheca 2 or inferior valve 3 are connected. The upper shell 2 and the lower shell 3, the two semicylinders and the magnetic core coil 1 are insulated and isolated.

Wherein, one side of the upper shell 2 is provided with a first connecting end 4, and the other side is provided with a second connecting end 5; the lower shell 3 has a third connecting end 6 on one side and a fourth connecting end 7 on the other side; the two semicylinders are respectively a first semicylinder 8 and a second semicylinder 11 arranged below the first semicylinder 8, a fifth connecting end 9 is arranged on one side of the first semicylinder 8, and a sixth connecting end 10 is arranged on the other side of the first semicylinder 8; and a seventh connecting end 12 is arranged on one side of the second semi-cylinder 11, and an eighth connecting end 13 is arranged on the other side of the second semi-cylinder.

Further, the connection plates are respectively a first connection plate 14, a second connection plate 15, a third connection plate 16, and a fourth connection plate 17 according to actual connection modes.

It should be noted that the double-side high-frequency transformer has the following two connection modes;

firstly, as shown in fig. 2, a first connection end 4 on the upper shell 2 and a third connection end 6 on the lower shell 3 are connected with a fifth connection end 9 on a first semi-cylinder 8 through a first connection plate 14, a second connection end 5 on the upper shell 2 and a fourth connection end 7 on the lower shell 3 are connected with an eighth connection end 13 on a second semi-cylinder 11 through a second connection plate 15, then a sixth connection end 10 on the first semi-cylinder 8 and a seventh connection end 12 on the second semi-cylinder 11 are both used as two negative sides 19 of the transformer, and an integral square shell is used as a negative output and connected with each other to form a two-open-side high-frequency transformer;

secondly, as shown in fig. 3, the second connection end 5 on the upper shell 2 is connected with the sixth connection end 10 on the first semi-cylinder 8 through a third connection plate 16, the fourth connection end 7 on the lower shell 3 is connected with the eighth connection end 13 on the second semi-cylinder 11 through a fourth connection plate 17, then the first connection end 4 on the upper shell 2 and the seventh connection end 12 on the second semi-cylinder 11 are used as negative outputs, and the third connection end 6 on the lower shell 3 and the fifth connection end 9 on the first semi-cylinder 8 are respectively used as two negative sides 19, and are connected with each other to form a two-open-side high-frequency transformer.

Preferably, the housing is an aluminum housing or a copper housing for better performance of the overall structure.

Preferably, as shown in fig. 1, in order to make the overall structure more firm and ensure that the magnetic core coil 1 does not damage the edge of the arc-shaped inner wall during the installation process, the two sides of the inner wall have outer wall surfaces 18 in the shape of long strips on the upper case 2 or the lower case 3, so that wall bodies for protection are formed on the two sides of the arc-shaped inner wall.

Preferably, as shown in fig. 1, the core coil 1 is composed of a toroidal core and a coil wound around the toroidal core

Further, the coil is formed of an insulated wire.

The utility model discloses a bilateral high frequency transformer, its beneficial effect is: 1. the double-opening design is adopted, the double-opening design is composed of the upper shell 2, the lower shell 3 and two semicylinders, the connecting modes of the upper shell 2, the lower shell 3 and the two semicylinders are various, the double-opening design can be suitable for different production scenes, and the square shell formed by the upper shell 2 and the lower shell 3 can be adapted to the installation and use of various magnetic core coils 1 with different sizes, so that the production cost is effectively reduced; 2. the whole structure is simple, and the later maintenance is easy, so that the service life of the device is prolonged.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims

1. The utility model provides a bilateral high-frequency transformer, includes shell, center post and magnetic core coil, the magnetic core coil is arranged in the shell, the center post installation on the magnetic core coil, its characterized in that, the shell comprises epitheca and inferior valve, set up relatively between epitheca and the inferior valve, just all have on epitheca and the inferior valve and be curved inner wall, epitheca and inferior valve are pieced together and are used for the holding the square casing of magnetic core coil, just the clearance has between epitheca and the inferior valve, the center post comprises two semicylinders of splicing each other, the both ends of semicylinder all through set up the connecting plate with epitheca or inferior valve are connected.

2. The double-sided high frequency transformer according to claim 1, wherein the housing is an aluminum housing or a copper housing.

3. The double-sided high frequency transformer according to claim 1, wherein both sides of the inner wall have outer wall surfaces in the form of long strips on the upper case or the lower case.

4. The bilateral high-frequency transformer of claim 1, wherein the core coil is composed of a toroidal core and a coil wound around the toroidal core.