A combined skeleton for flyback transformer
A flyback transformer and combined technology, applied in the field of transformers, can solve problems such as smaller operating space, lower production efficiency, and difficulty in realizing automation, and achieve the effects of easy soldering operation, improved production efficiency, and increased operating space
Active Publication Date: 2018-11-13
JIANGSU LITONG ELECTRONICS
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- Description
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Problems solved by technology
[0003] However, after adding a sleeve to the three-layer insulated wire, the operating space will become smaller, which will increase the difficulty of the soldering process and make automation difficult. This problem leads to a decrease in production efficiency and virtually increases labor costs.
Method used
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[0029] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0030] The examples in the present invention are written in a progressive manner.
[0031] Such as Figure 1~6 As shown, a combined bobbin for a flyback transformer includes a lead-pin bobbin 1, a winding bobbin 2, an upper magnetic core 3 and a lower magnetic core 4; wherein, the lead-pin bobbin 1 includes an outer frame 11, and the outside of the outer frame 11 is opposite to The two ends of the coil are respectively provided with pins 12, and the setting of the outer frame 11 can effectively protect the coil body when the winding lead is welded to the pin 12. At the same time, in order to increase the welding space, the corner of the top of the pin 12 is 45° In this w...
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The invention belongs to the technical field of transformers and particularly relates to a combination frame for a flyback transformer, comprising a pin guide frame, a winding frame, an upper core anda lower core, wherein the pin guide frame includes an outer frame; the two opposite ends of the outer frame are provided with pins respectively; a through chamber is formed in the outer frame and internally includes a storage area for storing the winding frame and limiting areas; the limiting areas are arranged on two sides of the pins respectively and are used for providing increased distances between the outer side of winding wires and the pins; the upper core and the lower core are arranged at the upper and lower portions of the through chamber respectively and are used for fixing the winding frame into the through chamber. By using the combination frame, technical difficulty can be effectively decreased, and production efficiency is improved accordingly.
Description
technical field [0001] The invention belongs to the technical field of transformers, in particular to a combined skeleton for a flyback transformer. Background technique [0002] At present, most of the thin flyback transformers used in LED TVs on the market adopt the form of a single skeleton, and use three layers of insulated wires to play the role of primary and secondary electrical isolation and withstand voltage. However, in the process of use, it is necessary to add a sleeve to the outside of the three-layer insulated wire for protection, so as to ensure that the three-layer insulated wire will not be damaged during soldering. [0003] However, after adding a sleeve to the three-layer insulated wire, the operating space will become smaller, which will increase the difficulty of the soldering process and make automation difficult. This problem leads to a decrease in production efficiency and virtually increases labor costs. [0004] In view of the existence of the abov...
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IPC IPC(8): H01F27/30H01F27/29
CPCH01F27/292H01F27/306
Inventor 张德峰薛泽伟卢建法邵力平
Owner JIANGSU LITONG ELECTRONICS