TW202121455A - Transformer fastening base for enhancing reliability, safety and voltage conversion efficiency - Google Patents

Abstract

The invention relates to a transformer fastening base, which includes two opposed assembly members and a non-magnetically conductive assembly structure. Each assembly member has two assembling surfaces. The assembly surfaces of the two assembly members are opposed to each other. The assembly structure includes a plurality of assembly units formed on two opposed assembling surfaces. Each set of two opposed assembling surfaces is formed with an air gap of equal width, respectively. The transformer fastening base of the invention may utilize 3D printing and apply the high-temperature material on the assembling surfaces of the two assembly members, so as to form an air gap of equal width between the two assembly members. The invention cannot only enhance the processing and production efficiency of the transformer fastening bases and the heat resistance effect, but also accurately control the space size of the air gap, so as to enhance the reliability, safety, and voltage conversion efficiency for transformer fastening base.

Description

Transformer mount

This creation is a transformer mount, especially a transformer mount that is used in transformers and can be installed on a wire frame with coils.

With the advancement of science and technology, electronic products have become necessities in people’s daily lives. In order to prevent electronic products from being damaged due to excessive voltage when they are connected to the city power supply, the electronic products will pass through a transformer when they are connected to the city power supply. Combine with circuit to achieve step-up/step-down to meet the needs of electronic products.

The transformer includes a fixing base and a wire frame, the fixing base includes two assembly parts arranged oppositely joined, the middle section of the two assembly parts is assembled to form a core rod, and the wire frame is sleeved on the fixing base, A primary side coil and a secondary side coil are wound on the bobbin, and the transformer can achieve the effect of converting the voltage through the difference in the number of coils between the primary side coil and the secondary side coil.

Wherein, in order to prevent the fixing seat from being magnetically saturated during the voltage conversion of the transformer, the fixing seat will be polished at the plane where the two assembly parts are butted, so that the two assemblies are assembled during assembly. An air gap is formed between the two assemblies to increase the magnetic resistance of the holder and avoid magnetic saturation. However, the method of forming the air gap through grinding is not only difficult for rapid processing and mass production, but also difficult for precision Controlling the size of the air gap often results in flaws in the fixing seat and poor conversion efficiency of the transformer.

In addition, some manufacturers will stick tape on the mating plane of the assembly to form a magnetic air gap between the two assemblies when the two assemblies are butted. Although the conversion efficiency of the transformer can be improved, the material of the tape is heat-resistant. The performance is poor. When the transformer is converting the voltage, it is easy to generate high heat, which leads to reliability and safety concerns. Moreover, the use of adhesive tape will cause the thickness of the tape to be different, and it is difficult to precisely control the size of the air gap during assembly. , Resulting in large deviations in transformer characteristics.

The main purpose of this creation is to provide a transformer mount, hoping to improve the current transformer mount, whether it uses grinding to form an air gap or uses adhesive tape to form an air gap, in terms of processing and mass production, conversion efficiency, and product reliability. There is a problem of insufficient control accuracy of the degree or the size of the air gap.

In order to achieve the purpose of the previous disclosure, the transformer mount of this creation includes: Two assembly parts arranged opposite each other, each assembly part has two sets of joints, and the assembly faces of the two assemblies are opposed to each other; and A non-magnetically permeable assembling structure, which includes a plurality of connecting units formed on two opposite assembling surfaces of the two assemblies, so that each two opposite assembling surfaces form a first level. Wide air gap.

This creative transformer fixing base is applied to transformers and can provide wire racks for threading and fixing. Among them, the assembly structure can be made of high temperature resistant materials and formed by 3D printing on the two opposite assembly surfaces of the two assemblies. It can not only effectively shorten the time required for processing and manufacturing, but also make the transformer mount of this creation convenient for processing and mass production, and the assembly structure of high temperature resistant materials can withstand the high temperature environment of the transformer application, which can effectively improve the voltage conversion efficiency of the product. , Reliability and safety.

In addition, the creative transformer mount can use 3D printing to form the assembly structure between the two opposing assembly surfaces of the two assemblies, so that the thickness of the assembly unit can be accurately set to control the two assemblies. The size of the air gap when the assemblies are connected to each other enables the air gap to be set according to the requirements of the transformer, thereby effectively improving the conversion efficiency and improving the process stability.

Please refer to FIG. 1 to FIG. 6, which are several preferred embodiments of the creative transformer fixing base, which includes two opposed assembly parts 10 and a non-magnetically conductive assembly structure 20.

As shown in Figures 1 to 6, each assembly 10 has two sets of connecting surfaces 11, and the assembly surfaces 11 of the two assemblies 10 are opposed to each other. Each assembly 10 has a connecting portion 12, a The core 13 and the two side pillars 14 are formed in the middle of the connecting portion 12, the two side pillars 14 are formed on the two sides of the connecting portion 12, and the two sets of connecting surfaces 11 are respectively formed on the two sides. The end of the side column 14.

The assembling structure 20 includes a plurality of connecting units 21, which are formed on two opposite assembling surfaces 11 of the two assemblies 10, so that each two opposite assembling surfaces 11 form a first A wide air gap D, where the multiple connection units 21 are in a straight strip shape.

Among them, as shown in Figs. 1 and 2, in the first preferred embodiment of the present creation, the plurality of connecting units 21 are respectively formed on the two sets of connecting surfaces 11 of one of the assemblies 10; 3. As shown in FIG. 4, in the second preferred embodiment of the present creation, the plurality of connecting units 21 are respectively formed on the two sets of connecting surfaces 11 of each assembly 10; FIGS. 5 and 6 As shown, in the third preferred embodiment of the present creation, the plurality of connecting units 21 are formed on one of the connecting surfaces 11 of each assembly 10, respectively.

The transformer mount of this creation is applied to transformers, and the core 13 of the transformer mount can provide wire frame threading and fixation. Among them, the assembly structure 20 can be made of high-temperature resistant materials and formed in the form of 3D printing. Between the two opposing assembly surfaces of the two assembly parts 10.

The transformer fixing base can form the assembly structure 20 between the two assembly parts 10 by 3D printing. The forming time of the assembly structure 20 is relatively short, which can effectively shorten the time required for processing and manufacturing. , Improve the processing and mass production efficiency of the transformer fixing seat.

In addition, since the areas of the opposite combination surfaces 11 of the two assembly parts 10 are equal, the space size of the air gap D can be controlled by the thickness of the assembly structure 20, and the transformer mount can be set according to the The applied transformer characteristics accurately set the thickness of the assembling structure 20 so that the size of the air gap D formed between the two assemblies 10 can meet the characteristics of the transformer, thereby improving the voltage conversion efficiency of the transformer.

Furthermore, the assembling structure 20 using high temperature resistant materials can withstand the high temperature environment of the transformer during application, and can effectively improve the reliability and safety of the transformer mount and enhance the process stability.

In summary, the transformer mount of the present creation can use 3D printing and use high-temperature materials to form the assembly structure 20 on the assembly interface 11 of the two assemblies 10, so that the two assemblies 10 are formed between the two assemblies 10, etc. The wide air gap D can not only improve the processing and mass production efficiency of the transformer mount and improve the heat resistance effect, so as to improve the reliability and safety of the transformer mount, but also can accurately control the size of the air gap D. This improves the voltage conversion efficiency of the transformer.

10: Assembly 11: group junction 12: Connection Department 13: Core 14: Side column 20: Grouping structure 21: Assembling unit D: air gap

Figure 1: This is a three-dimensional exploded schematic diagram of the first preferred embodiment of the creative transformer mount. Figure 2: This is a schematic top plan view of the first preferred embodiment of the creative transformer mount. Figure 3: This is a three-dimensional exploded schematic diagram of the second preferred embodiment of the creative transformer mount. Figure 4: This is a schematic top plan view of the second preferred embodiment of the creative transformer mount. Figure 5: This is a three-dimensional exploded schematic diagram of the third preferred embodiment of the creative transformer fixing base. Figure 6: This is a schematic top plan view of the third preferred embodiment of the creative transformer fixing base.

10: Assembly

11: group junction

12: Connection part

13: Core

14: Side column

20: Assembling structure

21: Assembling unit

Claims (7)

A transformer fixing base, which comprises: Two assembly parts arranged opposite each other, each assembly part has two sets of joints, and the assembly faces of the two assemblies are opposed to each other; and A non-magnetically permeable assembling structure, which includes a plurality of connecting units formed on two opposite assembling surfaces of the two assemblies, so that each two opposite assembling surfaces form a first level. Wide air gap. The transformer fixing base according to claim 1, wherein the plurality of connection units are respectively formed on the two groups of connection surfaces of one of the assemblies. The transformer fixing base of claim 1, wherein the multiple connection units are formed on the two groups of connection surfaces of each assembly respectively. The transformer fixing base according to claim 1, wherein the plurality of connection units are respectively formed on one group of connection surfaces of each assembly. The transformer fixing seat according to any one of claims 1 to 4, wherein each assembly has a connecting part, a core part and two side posts, the core part is formed in the middle section of the connecting part, and the two side posts Are formed on two sides of the connecting portion, and the two sets of joint surfaces are respectively formed on the ends of the two side pillars. The transformer fixing seat according to any one of claims 1 to 4, wherein the plurality of connection units are in a straight strip shape. The transformer fixing seat according to claim 5, wherein the multiple connection units are in a straight strip shape.

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