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Frameless transformer used for automobile charging pile

A car charging, skeletonless technology, applied in the field of transformers, can solve the problems of limited space and unusable DC charging piles, and achieve the effect of improving performance and service life

Pending Publication Date: 2018-01-05
AIA ELECTRIC PINGHU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to limited space in DC charging piles, conventional transformers cannot be used in DC charging piles due to volume and cost factors

Method used

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  • Frameless transformer used for automobile charging pile
  • Frameless transformer used for automobile charging pile
  • Frameless transformer used for automobile charging pile

Examples

Experimental program
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Effect test

Embodiment

[0022] combine Figure 1 to Figure 4 , a frameless transformer for a car charging pile according to this embodiment includes a magnetic core assembly 1 and a winding coil 2 . The magnetic core assembly 1 has a magnetic core shaft with a circular cross section, and the winding coil 2 is uniformly wound on the magnetic core shaft.

[0023] An insulating plate 3 is provided on the bottom of the magnetic core assembly in a direction perpendicular to the magnetic core shaft, and a layer of insulating tape is provided between the winding coil 2 and the magnetic core shaft. The lead wires drawn from the winding coil 2 pass through the insulating plate 3 to form pins 31. The lead wire drawn from the winding coil 2 is covered with a Teflon sleeve to the connection between the lead wire and the insulating plate. The size of the insulating board 3 is 36mm*40mm, and 12 holes are arranged on the insulating board 3 . The insulating board 3 is an epoxy resin board with a thickness of 0.5-1...

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Abstract

The invention discloses a frameless transformer used for an automobile charging pile. The frameless transformer comprises a magnetic core assembly and a winding coil; the magnetic core assembly has amagnetic core shaft; the winding coil is uniformly wound around the magnetic core shaft; an insulating plate is arranged at the bottom, in a direction perpendicular to the magnetic core shaft, of themagnetic core assembly; a lead led from the winding coil passes through the insulating plate to form a pin; an insulating adhesive tape is arranged between the winding coil and the magnetic core shaft, a wall-baffling adhesive tape is arranged between an upper end plate and a lower end plate; and the section of the magnetic core shaft is circular. The frameless transformer used for the automobilecharging pile disclosed in the invention adopts an all-surrounding type process, so that withstand voltage and insulation properties pass the temperature resistant level of 155 DEG C of an F88 insulating system or above; and by adopting the 180-DEG C high-temperature copper line as the raw material of the winding coil, the performance and service life are greatly improved and prolonged.

Description

technical field [0001] The invention relates to the technical field of transformers, in particular to a frameless transformer for automobile charging piles. Background technique [0002] Conventional transformers are composed of a skeleton, a magnetic core and a coil. In such transformers, the bobbin takes up a lot of space. Due to limited space in DC charging piles, conventional transformers cannot be used in DC charging piles due to volume and cost factors. Contents of the invention [0003] The purpose of the present invention is to provide a frameless transformer for a car charging pile, which can reduce the volume and cost of the transformer. [0004] In order to solve the above-mentioned technical problems, the object of the present invention is achieved as follows: a skeletonless transformer for a car charging pile involved in the present invention includes a magnetic core assembly and a winding coil, and the magnetic core assembly has a magnetic core shaft; The ...

Claims

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Application Information

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IPC IPC(8): H01F27/24H01F27/28H01F27/32
Inventor 王国良田占军李伟元刘伟强李杰张克温
Owner AIA ELECTRIC PINGHU CO LTD
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