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Waterproof and dustproof self-radiating type motor-driven automobile direct current voltage changer

An electric vehicle, DC voltage technology, applied in the direction of converting DC power input to DC power output, adjusting electrical variables, instruments, etc., to achieve the effect of improving heat dissipation performance, solving heat dissipation problems, and improving service life

Inactive Publication Date: 2013-01-23
JIANGSU KAILING AUTO ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to make the existing electric vehicle DC-DC voltage converter solve the problems of waterproof, dustproof and heat dissipation synchronously, the purpose of the present invention is to provide a waterproof, dustproof and self-radiating electric vehicle DC voltage converter

Method used

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  • Waterproof and dustproof self-radiating type motor-driven automobile direct current voltage changer
  • Waterproof and dustproof self-radiating type motor-driven automobile direct current voltage changer
  • Waterproof and dustproof self-radiating type motor-driven automobile direct current voltage changer

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Embodiment 1

[0018] Embodiment 1: A waterproof and dustproof self-heating electric vehicle DC voltage converter, including a heat dissipation housing 1, a heat dissipation cover plate 2, a side sealing plate 3, a circuit board 4, a transformer 5, a coil 6, a Schottky diode 7 and Field effect tube 8, the heat dissipation housing 1 includes a left side plate 11, a bottom plate 12, a right side plate 13, a matching convex body 14, a heat sink 15, an installation bottom surface 16, a circuit board slot 17 and an installation hole 18, on the left The outer surfaces of the side plate 11 and the right side plate 13 are provided with cooling fins 15, and the tops of the left side plate 11 and the right side plate 13 are provided with matching convex bodies 14. Circuit board slots 17 are provided at equal heights on the inner side, and the distance between the circuit board slots 17 and the inner surface of the bottom plate 12 is greater than or equal to 3 millimeters, and the outer surfaces of the ...

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Abstract

A waterproof and dustproof self-radiating type motor-driven automobile direct current voltage changer comprises a radiating shell, a radiating cover plate, side sealing plates, a circuit board, a transformer, a coil, a Schottky diode and a field effect tube, wherein the circuit board is arranged in the radiating shell, the transformer, the coil, the Schottky diode and the field effect tube are respectively fixed on the inner side surface of the radiating shell, the radiating cover plate is fixed on the radiating shell in a sealing way, the side sealing plates are fixed at two ends of the radiating shell in the sealing way, and input-output lead bundles pass through a cable diminishing head and are led from the side sealing plates. As the changer adopts a completely-sealed structure, aluminum plates are coated on three surfaces of the transformer, and then the transformer coated by the aluminum plates are arranged on the radiating shell, motor-driven automobile direct current voltage changer with the structure not only solves the problem that the original automobile-mounted storage battery high voltage is converted to the 12V direct voltage, also can solve the problem of radiating of circuit elements and devices, and simultaneously is waterproof and dustproof; and the service life of the motor-driven automobile direct current voltage changer is prolonged.

Description

【Technical field】 [0001] The invention relates to a DC voltage converter for an electric vehicle, which belongs to a DC power voltage conversion device. 【Background technique】 [0002] Electric vehicle DC voltage converter is also called electric vehicle DC-DC voltage converter. It is a DC voltage converter that can convert the original high DC voltage of the electric vehicle battery into 12V. Due to the vehicle accessories such as headlights, wipers, fans, radios, airbags, electric windows and the interior of the car The power supply used by various instruments and other equipment is 12V standard DC voltage, and the battery voltage of electric vehicles is relatively high, generally 48V~90V. Therefore, a DC voltage converter must be equipped to convert the higher DC voltage of the battery. 12V DC voltage output to meet the standard DC voltage supply requirements of vehicle accessories. Since the output power of the DC-DC voltage converter of the electric vehicle is relativ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/00H05K7/20
Inventor 徐福芳徐俊霞王生德陈辉王辉
Owner JIANGSU KAILING AUTO ELECTRIC
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