CN206595131U - A kind of high frequency transformer - Google Patents

A kind of high frequency transformer Download PDF

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CN206595131U
CN206595131U CN201621484153.9U CN201621484153U CN206595131U CN 206595131 U CN206595131 U CN 206595131U CN 201621484153 U CN201621484153 U CN 201621484153U CN 206595131 U CN206595131 U CN 206595131U
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coil
magnetic core
frequency transformer
conductive
conductive plate
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刘少德
姜译文
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Sichuan Weiyu Electric Co ltd
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Sichuan Wei Yu Microwave Technology Co Ltd
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Abstract

本申请公开了一种高频变压器,应用于高频开关电源,具体由初级线圈、次级线圈、磁芯、两个圆形绝缘垫、导电柱和导电板组成,上述组件根据预设的方式构造在一起,由于次级线圈的所有输出抽头均在变压器的同一侧,可使得与之连接的整流器件集成一体,能够使应用其的高频开关电源的体积得到有效控制,从而能够解决高频开关电源的体积较大的问题,进而使其能够方便地安装使用。次级线圈为全螺钉连接,模块化程度高,装配效率较传统变压器安装有较大提升;导电柱、导电板可开模铸造,批量生产成本低。

This application discloses a high-frequency transformer, which is used in high-frequency switching power supplies, and is specifically composed of a primary coil, a secondary coil, a magnetic core, two circular insulating pads, a conductive column and a conductive plate. The above-mentioned components are based on a preset method Constructed together, since all output taps of the secondary coil are on the same side of the transformer, the rectification device connected to it can be integrated, and the volume of the high-frequency switching power supply applied to it can be effectively controlled, thereby solving high-frequency The problem of the large size of the switching power supply makes it easy to install and use. The secondary coil is fully screw connected, with a high degree of modularization, and the assembly efficiency is greatly improved compared with the traditional transformer installation; the conductive column and the conductive plate can be molded and cast, and the mass production cost is low.

Description

一种高频变压器A high frequency transformer

技术领域technical field

本申请涉及变压器技术领域,更具体地说,涉及一种高频变压器。The present application relates to the technical field of transformers, and more specifically, to a high-frequency transformer.

背景技术Background technique

随着电力电子技术及工业生产的快速发展,工业电源对效率、可靠性、体积等方面提出了新的需求。高频开关电源凭借其高效率、小体积等优势广泛地运用在铜箔生产、晶体生长、钢铁冶炼等低压大电流行业。高频变压器则是高频开关电源中的核心部件,高频变压器的结构和体积将直接影响高频开关电源的整体体积。然而传统的高频变压器次级线圈的抽头均在变压器的两侧,使得外接的整流器件必须做成分体式结构,结构紧凑程度不够,从而增大了高频开关电源的体积,使得高频开关电源在安装使用时较为不便。With the rapid development of power electronics technology and industrial production, industrial power supplies have put forward new requirements for efficiency, reliability, and volume. High-frequency switching power supply is widely used in low-voltage and high-current industries such as copper foil production, crystal growth, and steel smelting with its advantages of high efficiency and small size. The high-frequency transformer is the core component of the high-frequency switching power supply. The structure and volume of the high-frequency transformer will directly affect the overall volume of the high-frequency switching power supply. However, the taps of the secondary coil of the traditional high-frequency transformer are on both sides of the transformer, so that the external rectifier device must be made into a split structure, and the structure is not compact enough, which increases the volume of the high-frequency switching power supply and makes the high-frequency switching power supply It is inconvenient to install and use.

实用新型内容Utility model content

有鉴于此,本申请提供一种高频变压器,应用于高频开关电源,以解决传统高频变压器因结构不够紧凑导致高频开关电源体积较大的问题。In view of this, the present application provides a high-frequency transformer, which is applied to a high-frequency switching power supply, so as to solve the problem of large volume of the high-frequency switching power supply due to the insufficient structure of the traditional high-frequency transformer.

为了实现上述目的,现提出的方案如下:In order to achieve the above purpose, the proposed scheme is as follows:

一种高频变压器,应用于高频开关电源,包括磁芯、初级线圈、次级线圈、导电板、至少1个导电柱和绝缘垫,其中:A high-frequency transformer applied to a high-frequency switching power supply, including a magnetic core, a primary coil, a secondary coil, a conductive plate, at least one conductive column and an insulating pad, wherein:

所述初级线圈绕制在磁芯上;The primary coil is wound on a magnetic core;

所述次级线圈至少包括次级第一线圈和次级第二线圈;The secondary coil includes at least a secondary first coil and a secondary second coil;

所述导电板四周具有通孔;There are through holes around the conductive plate;

所述导电柱上下两端均设置有螺纹孔;The upper and lower ends of the conductive column are provided with threaded holes;

所述次级第一线圈与所述次级第二线圈均穿过所述磁芯,所述次级第二线圈的尾端通过螺钉与导电板连接;Both the secondary first coil and the secondary second coil pass through the magnetic core, and the tail ends of the secondary second coil are connected to the conductive plate through screws;

所述导电柱的尾端通过螺钉与所述导电板相连接,均布在所述磁芯周围,所述导电柱的首端与所述次级第一次级线圈的首端在同一面,形成所述次级线圈的两个抽头,所述抽头用于与外部的整流器件相连接;The tail end of the conductive column is connected to the conductive plate through screws, and is evenly distributed around the magnetic core, and the head end of the conductive column is on the same surface as the first end of the secondary coil. Forming two taps of the secondary coil, the taps are used to connect with an external rectifying device;

所述次级第一线圈的尾端与所述次级第二线圈的首端短接在一起,形成所述次级线圈的中心抽头。The tail end of the secondary first coil is short-circuited with the head end of the secondary second coil to form a center tap of the secondary coil.

可选的,所述次级第一线圈的输出抽头和所述次级第二线圈的输出抽头均在变压器的同一侧。Optionally, the output taps of the secondary first coil and the output taps of the secondary second coil are on the same side of the transformer.

可选的,所述导电柱为多个,上下两端均设置有螺纹孔,且均布于磁芯周围;Optionally, there are multiple conductive pillars, and threaded holes are arranged at the upper and lower ends, and are evenly distributed around the magnetic core;

所述导电柱形状可为圆柱体、长方体等任一几何形状。The shape of the conductive column can be any geometric shape such as a cylinder, a cuboid, or the like.

可选的,所述导电板上均布有用于连接所述次级线圈的通孔,所述导电板形状可为圆形、矩形、多边形等任一几何形状。Optionally, the conductive plate is evenly distributed with through holes for connecting the secondary coil, and the shape of the conductive plate may be any geometric shape such as a circle, a rectangle, or a polygon.

可选的,所述导电柱、所述导电板与所述次级线圈的连接均为螺钉固定结构。Optionally, the connection between the conductive post, the conductive plate and the secondary coil is a screw fixing structure.

可选的,所述磁芯绕制初级线圈后,其上下两面均设置有绝缘垫。Optionally, after the primary coil is wound on the magnetic core, insulating pads are provided on the upper and lower surfaces of the magnetic core.

所述次级第一线圈、次级第二线圈、导电板、导电柱均为导电金属材料。The secondary first coil, secondary second coil, conductive plate, and conductive column are all conductive metal materials.

可选的,所述磁芯为超微晶磁芯、铁氧体磁芯、非晶磁芯。Optionally, the magnetic core is an ultramicrocrystalline magnetic core, a ferrite magnetic core, or an amorphous magnetic core.

可选的,所述次级第二线圈、所述导电板与所述导电柱三者或部分为一体化结构。Optionally, all or part of the secondary second coil, the conductive plate and the conductive column are an integrated structure.

从上述的技术方案可以看出,本申请公开了一种高频变压器,应用于高频开关电源,具体由初级线圈、次级线圈、磁芯、绝缘垫、导电柱和导电板组成,上述组件根据预设的方式构造在一起,由于次级线圈的所有输出抽头均在变压器的同一侧,可使得与之连接的整流器件集成一体,能够使应用其的高频开关电源的体积得到有效控制,从而能够解决高频开关电源的体积较大的问题,进而使其能够方便地安装使用。It can be seen from the above technical solution that this application discloses a high-frequency transformer, which is applied to a high-frequency switching power supply, and is specifically composed of a primary coil, a secondary coil, a magnetic core, an insulating pad, a conductive column, and a conductive plate. The above-mentioned components Constructed together according to the preset method, since all output taps of the secondary coil are on the same side of the transformer, the rectification device connected to it can be integrated, and the volume of the high-frequency switching power supply applied to it can be effectively controlled. Therefore, the problem of large volume of the high-frequency switching power supply can be solved, so that it can be conveniently installed and used.

附图说明Description of drawings

为了更清楚地说明本申请实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本申请的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present application. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

图1为本申请提供的一种高频变压器实施例的分解示意图;Fig. 1 is the exploded schematic diagram of a kind of high-frequency transformer embodiment provided by the present application;

图2为本申请提供的一种高频变压器的组装示意图;Fig. 2 is the schematic diagram of the assembly of a kind of high-frequency transformer provided by the present application;

图3为本申请提供的另一种高频变压器的组装示意图;Fig. 3 is the assembly diagram of another kind of high-frequency transformer provided by the present application;

图4为本申请提供的又一种高频变压器的组装示意图;FIG. 4 is a schematic diagram of assembly of another high-frequency transformer provided by the present application;

图5为本申请提供的又一种高频变压器的组装示意图;FIG. 5 is a schematic diagram of assembly of another high-frequency transformer provided by the present application;

图6为本申请提供的又一种高频变压器的组装示意图;FIG. 6 is a schematic diagram of assembly of another high-frequency transformer provided by the present application;

图7为本申请提供的又一种高频变压器的组装示意图;Figure 7 is a schematic diagram of the assembly of another high-frequency transformer provided by the present application;

图8为本申请提供的又一种高频变压器的组装示意图;FIG. 8 is a schematic assembly diagram of another high-frequency transformer provided by the present application;

图9为本申请提供的又一种高频变压器的组装示意图;Fig. 9 is an assembly schematic diagram of another high-frequency transformer provided by the present application;

图10为本申请提供的又一种高频变压器的组装示意图;Fig. 10 is a schematic diagram of the assembly of another high-frequency transformer provided by the present application;

图11为本申请提供的又一种高频变压器的组装示意图;Fig. 11 is a schematic diagram of the assembly of another high-frequency transformer provided by the present application;

图12为本申请提供的另一种高频变压器的分解示意图;FIG. 12 is an exploded schematic diagram of another high-frequency transformer provided by the present application;

图13为本申请提供的又一种高频变压器的分解示意图;FIG. 13 is an exploded schematic diagram of another high-frequency transformer provided by the present application;

图14为本申请提供的又一种高频变压器的分解示意图;FIG. 14 is an exploded schematic diagram of another high-frequency transformer provided by the present application;

图15为本申请提供的又一种高频变压器的分解示意图;Fig. 15 is an exploded schematic diagram of another high-frequency transformer provided by the present application;

图16为本申请提供的又一种高频变压器的分解示意图;Fig. 16 is an exploded schematic diagram of another high-frequency transformer provided by the present application;

图17为本申请提供的又一种高频变压器的分解示意图;Fig. 17 is an exploded schematic diagram of another high-frequency transformer provided by the present application;

图18为本申请提供的又一种高频变压器的组装示意图;Fig. 18 is a schematic diagram of the assembly of another high-frequency transformer provided by the present application;

图19为本申请提供的又一种高频变压器的组装示意图;Fig. 19 is an assembly schematic diagram of another high-frequency transformer provided by the present application;

图20为本申请提供的又一种高频变压器的组装示意图;Fig. 20 is an assembly schematic diagram of another high-frequency transformer provided by the present application;

图21为本申请提供的又一种高频变压器的组装示意图;Fig. 21 is a schematic diagram of the assembly of another high-frequency transformer provided by the present application;

10-次级第一线圈,11-次级第一线圈的首端,12-次级第一选取的尾端,20-次级第二线圈,21-次级第二线圈的首端、30-绝缘垫,40-初级线圈,50-绝缘垫,60-导电柱,70-导电板,80-磁芯。10-secondary first coil, 11-head end of secondary first coil, 12-tail end of secondary first selection, 20-secondary second coil, 21-head end of secondary second coil, 30 - insulating pad, 40 - primary coil, 50 - insulating pad, 60 - conductive column, 70 - conductive plate, 80 - magnetic core.

具体实施方式detailed description

下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

图1为本申请提供的一种高频变压器的分解示意图。FIG. 1 is an exploded schematic diagram of a high-frequency transformer provided by the present application.

如图1所示,本申请提供的高频变压器应用于高频开关电源,具体包括次级线圈,该次级线圈由次级第一线圈10和次级第二线圈20构成,另外还包括初级线圈40、磁芯80、绝缘垫30、50、导电柱60和导电板70。As shown in Figure 1, the high-frequency transformer provided by this application is applied to a high-frequency switching power supply, and specifically includes a secondary coil, which is composed of a secondary first coil 10 and a secondary second coil 20, and also includes a primary Coil 40 , magnetic core 80 , insulating pads 30 , 50 , conductive post 60 and conductive plate 70 .

初级线圈绕制在磁芯上,次级第一线圈10和次级第二线圈20均穿过磁芯80。次级第二线圈20的尾端22通过螺钉与导电板70连接,导电柱60的尾端再通过螺钉与导电板70相连接,均布在磁芯80周围,导电柱60的首端与次级第一线圈10的首端11在同一面,形成次级线圈的两个抽头,与外部的整流器件相连接。次级第一线圈10的尾端12与次级第二线圈20的首端21通过导体在外部短接在一起,形成次级线圈的中心抽头。The primary coil is wound on the magnetic core, and the secondary first coil 10 and the secondary second coil 20 pass through the magnetic core 80 . The tail end 22 of the secondary second coil 20 is connected to the conductive plate 70 by screws, and the tail end of the conductive column 60 is connected to the conductive plate 70 by screws, and is evenly distributed around the magnetic core 80. The first end of the conductive column 60 is connected to the secondary The first end 11 of the primary coil 10 is on the same plane, forming two taps of the secondary coil, which are connected to an external rectifying device. The tail end 12 of the secondary first coil 10 and the head end 21 of the secondary second coil 20 are externally shorted together through a conductor to form a center tap of the secondary coil.

导电板70、导电柱60与次级第二线圈20的固定均为螺钉固定结构,导电柱60和次级第二线圈20与导电板70对应的位置都设置有用于供螺钉固定的通孔,当次级第二线圈20穿过磁芯80并调整好位置后,将导电板70与次级第二线圈20、导电柱60进行螺钉固定。具体的安装后的组装示意图如图2所示。The fixing of the conductive plate 70, the conductive column 60 and the secondary second coil 20 is a screw fixing structure, and the positions corresponding to the conductive column 60 and the secondary second coil 20 and the conductive plate 70 are all provided with through holes for screw fixing. After the secondary second coil 20 passes through the magnetic core 80 and its position is adjusted, the conductive plate 70 is screwed to the secondary second coil 20 and the conductive post 60 . The specific assembly diagram after installation is shown in FIG. 2 .

从上述技术方案可以看出,本申请提供了一种高频变压器,应用于高频开关电源,具体由初级线圈、次级线圈、磁芯、两个绝缘垫、导电柱和导电板组成,上述组件根据预设的方式构造在一起,由于次级线圈的所有输出抽头均在变压器的同一侧,可使得与之连接的整流器件集成一体,能够使应用其的高频开关电源的体积得到有效控制,从而能够解决高频开关电源的体积较大的问题,进而使其能够方便地安装使用。It can be seen from the above technical solution that the present application provides a high-frequency transformer, which is applied to a high-frequency switching power supply, and is specifically composed of a primary coil, a secondary coil, a magnetic core, two insulating pads, a conductive column and a conductive plate. The components are constructed together according to the preset method. Since all output taps of the secondary coil are on the same side of the transformer, the rectification device connected to it can be integrated, and the volume of the high-frequency switching power supply applied to it can be effectively controlled. , so as to solve the problem of a large volume of the high-frequency switching power supply, thereby making it easy to install and use.

在本申请的一个具体实施方式中,次级第一线圈的输出抽头和次级第二线圈的输出抽头均在变压器的同一侧。分别见图3、图4、图5、图6、图7、图8、图9、图10、图11、图12、图13、图14、图15、图16、图17、图18、图19、图20和图21所示。In a specific embodiment of the present application, the output taps of the secondary first coil and the output taps of the secondary second coil are both on the same side of the transformer. See Figure 3, Figure 4, Figure 5, Figure 6, Figure 7, Figure 8, Figure 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14, Figure 15, Figure 16, Figure 17, Figure 18, Figure 19, Figure 20 and Figure 21.

另外,导电柱为多个,上下两端均设置有螺纹孔,且均布于磁芯周围;导电柱形状可为圆柱体、长方体等任一几何形状。In addition, there are a plurality of conductive posts, and threaded holes are provided at both upper and lower ends, and are evenly distributed around the magnetic core; the shape of the conductive posts can be any geometric shape such as a cylinder or a cuboid.

还有,导电板上均布有用于连接次级线圈的通孔,导电板形状可为圆形、矩形、多边形等任一几何形状。In addition, through holes for connecting the secondary coil are evenly distributed on the conductive plate, and the shape of the conductive plate can be any geometric shape such as a circle, a rectangle, or a polygon.

还有,导电柱、导电板与所述次级线圈的连接均为螺钉固定结构。In addition, the connections between the conductive post, the conductive plate and the secondary coil are screw-fixed structures.

还有,磁芯绕制初级线圈后,其上下两面均设置有绝缘垫。In addition, after the primary coil is wound on the magnetic core, insulating pads are provided on the upper and lower surfaces of the magnetic core.

还有,次级第一线圈、次级第二线圈、导电板、导电柱均为导电金属材料。In addition, the secondary first coil, the secondary second coil, the conductive plate, and the conductive column are all conductive metal materials.

还有,磁芯为超微晶磁芯、铁氧体磁芯、非晶磁芯。In addition, the magnetic core is an ultramicrocrystalline magnetic core, a ferrite magnetic core, or an amorphous magnetic core.

还有,次级第二线圈、导电板与所述导电柱三者或部分为一体化结构。In addition, all or part of the secondary second coil, the conductive plate and the conductive column are integrated structures.

次级线圈为全螺钉连接,模块化程度高,装配效率较传统变压器安装有较大提升;导电柱、导电板可开模铸造,批量生产成本低;The secondary coil is fully screw connected, with a high degree of modularization, and the assembly efficiency is greatly improved compared with the traditional transformer installation; the conductive column and the conductive plate can be molded and cast, and the mass production cost is low;

本说明书中各个实施例采用递进的方式描述,每个实施例重点说明的都是与其他实施例的不同之处,各个实施例之间相同相似部分互相参见即可。对所公开的实施例的上述说明,使本领域专业技术人员能够实现或使用本申请。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的,本文中所定义的一般原理可以在不脱离本申请的精神或范围的情况下,在其它实施例中实现。因此,本申请将不会被限制于本文所示的这些实施例,而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. a kind of high frequency transformer, it is characterised in that conductive including magnetic core, primary coil, secondary coil, conductive plate, at least one Post and felt pad, wherein:
The primary coil is wound on magnetic core;
The secondary coil at least includes secondary first coil and secondary second coil;
The conductive plate surrounding has through hole;
The conductive pole upper and lower ends are provided with screwed hole;
The secondary first coil both passes through the magnetic core with secondary second coil, and the tail end of secondary second coil leads to Screw is crossed to be connected with conductive plate;
The tail end of the conductive pole is connected by screw with the conductive plate, is distributed on around the magnetic core, the conductive pole Head end and secondary first secondary coil head end in the same face, form two taps of the secondary coil, it is described to take out Head is used to be connected with outside rectifying device;
The head end of the tail end of the secondary first coil and secondary second coil is shorted together, and forms the secondary coil Centre cap.
2. high frequency transformer according to claim 1, it is characterised in that the output tap of the secondary first coil and institute The output tap of secondary second coil is stated in the same side of transformer.
3. high frequency transformer according to claim 1, it is characterised in that the conductive pole is multiple, and upper and lower ends are all provided with Screwed hole is equipped with, and is distributed in around magnetic core;
The conductive pole shape can be cylinder or any geometry of cuboid.
4. high frequency transformer according to claim 1, it is characterised in that be evenly equipped with the conductive plate described for connecting The through hole of secondary coil, the conductive plate shape can be circular, rectangle or any geometry of polygon.
5. high frequency transformer according to claim 1, it is characterised in that the conductive pole, the conductive plate and described time The connection of level coil is screw fixed structure.
6. high frequency transformer according to claim 1, it is characterised in that after the magnetic core coiling primary coil, above and below it Two sides is provided with felt pad.
7. high frequency transformer according to claim 1, it is characterised in that the secondary first coil, secondary second coil, Conductive plate, conductive pole are conductive metallic material.
8. high frequency transformer according to claim 1, it is characterised in that the magnetic core is ultracrystalline magnetic core, ferrite magnetic Core, amorphous magnetic core.
9. high frequency transformer according to claim 1, it is characterised in that secondary second coil, the conductive plate with The conductive pole three or part are integrated.
CN201621484153.9U 2016-12-30 2016-12-30 A kind of high frequency transformer Expired - Fee Related CN206595131U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108075677A (en) * 2017-12-05 2018-05-25 北京福田戴姆勒汽车有限公司 Power inverter and with its vehicle
CN109192481A (en) * 2018-10-11 2019-01-11 佛山市欧立电子有限公司 A kind of the monolithic devices toroidal transformer and its production technology of included bottom plate and inductance
CN111161941A (en) * 2020-01-20 2020-05-15 南京矽力杰半导体技术有限公司 Inductor and its manufacturing method, packaged module and its manufacturing method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108075677A (en) * 2017-12-05 2018-05-25 北京福田戴姆勒汽车有限公司 Power inverter and with its vehicle
CN109192481A (en) * 2018-10-11 2019-01-11 佛山市欧立电子有限公司 A kind of the monolithic devices toroidal transformer and its production technology of included bottom plate and inductance
CN111161941A (en) * 2020-01-20 2020-05-15 南京矽力杰半导体技术有限公司 Inductor and its manufacturing method, packaged module and its manufacturing method

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