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Installation method of water-cooling electric induction module installed on printed wiring board and application thereof

A technology for printed circuit boards and inductors, which is used in transformer/inductor cooling, electrical components, electrical equipment structural parts, etc., and can solve the problems of inability to meet the power density of power electronic conversion equipment, unfavorable use of confined spaces, and single function. , to achieve the effect of convenient disassembly, easy maintenance and replacement, and reduced size

Pending Publication Date: 2018-08-21
RES INST OF PHYSICAL & CHEM ENG OF NUCLEAR IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commonly used high-power inductors mostly use forced convection cooling or natural convection cooling. In order to ensure heat dissipation efficiency, they are usually large in size and have a single function, which is not conducive to the use in confined spaces, and cannot meet the further improvement of the power density of power electronic conversion equipment. needs

Method used

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  • Installation method of water-cooling electric induction module installed on printed wiring board and application thereof
  • Installation method of water-cooling electric induction module installed on printed wiring board and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A water-cooled inductance module installed on a printed circuit board, including a base 1 and an upper cover 2 oppositely arranged, the base 1 and the upper cover 2 are respectively formed with semicircular concave cavities, and the buckle is formed to be connected with the cylindrical resin pot. The cylindrical cavity corresponding to the sealing inductor 6, the resin potting inductor 6 is set in the cavity, the two ends of the cavity are open, sealed with the end cover 3, and the upper cover 2 and the base 1 are clamped with pure copper The water-cooled tube 4 is prepared and the water-cooled tube 4 is isolated from the cavity, and the inductor lead-out wires 7 provided at both ends of the resin-encapsulated inductor 6 pass through the end cover 3;

[0038] The shape of the water-cooled pipe 4 is U-shaped, and the straight pipe bodies on both sides of the U-shape are respectively fixed by fixing blocks 5, between the fixing block 5 and the base 1, between the upper cov...

Embodiment 2

[0042] A water-cooled inductance module installed on a printed circuit board, including a base 1 and an upper cover 2 oppositely arranged, the base 1 and the upper cover 2 are respectively formed with semicircular concave cavities, and the buckle is formed to be connected with the cylindrical resin pot. Sealing the cylindrical cavity corresponding to the inductor 6, the resin potting inductor 6 is set in the cavity, one end of the cavity is open, sealed with the end cap 3, and the other end is closed;

[0043]Both ends of the resin-encapsulated inductor 6 are respectively provided with inductor lead-out wires 7. In order to facilitate the extraction of the inductor lead-out wires 7, outlet holes are correspondingly set on the end cover 3 of the cavity, and the two sides of the base 1 are symmetrically provided with openings upward U-shaped groove 8, the U-shaped groove 8 is made integrally with the base 1, and a water-cooled tube 4 made of aluminum alloy is placed in the U-shap...

Embodiment 3

[0048] A water-cooled inductance module installed on a printed circuit board, including a base 1 and an upper cover 2 oppositely arranged, the base 1 and the upper cover 2 are respectively formed with semicircular concave cavities, and the buckle is formed to be connected with the cylindrical resin pot. The cylindrical cavity corresponding to the sealing inductor 6, the resin potting inductor 6 is set in the cavity, the two ends of the cavity are open, sealed with the end cover 3, and the upper cover 2 and the base 1 are clamped with pure copper The water-cooled tube 4 is prepared and the water-cooled tube 4 is isolated from the cavity, and the inductor lead-out wires 7 provided at both ends of the resin-encapsulated inductor 6 pass through the end cover 3 .

[0049] The water-cooled inductance module is applied in the power electronic conversion circuit, which can meet the heat dissipation requirements of the power devices in the power electronic conversion circuit, and can re...

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Abstract

The invention discloses an installation method of a water-cooling electric induction module installed on a printed wiring board and application thereof. The water-cooling electric induction module comprises a pedestal and an upper cover which are oppositely arranged and correspondingly fastened to form a hollow cavity, as well as a resin potting inductor arranged in the hollow cavity, end covers arranged at two ends of the hollow cavity and a water-cooling pipe, wherein two ends of the resin potting inductor are respectively provided with inductance outgoing lines which are pierced out of thehollow cavity, two sides of the pedestal are integrally and symmetrically provided with U-shaped grooves with upward openings, and the water-cooling pipe is fixedly arranged in the U-shaped grooves. The water-cooling electric induction module is used for integrating together the inductor, the water-cooling pipe and a cooling fin, and good heat dissipation efficiency is guaranteed when the volume of the water-cooling electric induction module is shrunk; the water-cooling electric induction module can be installed on the printed wiring board (PCB), thereby meeting the usage requirement of high power density power electronic conversion equipment; a main body is divided into two parts, i.e., a pedestal and an upper cover, the disassembly and assembly are convenient, and the resin potting inductor is convenient to maintain and replace; during use, the use of multiple water-cooling electric induction modules connected in series can be realized, thereby meeting requirement of high power.

Description

technical field [0001] The invention relates to a power water-cooled inductance used in the field of power electronics, in particular to a method for installing a high-power water-cooled inductance module installed on a printed circuit board (hereinafter referred to as PCB) and its application. Background technique [0002] Inductor is an electromagnetic induction element wound with insulated wires. It can convert electrical energy into magnetic energy and store it. It is one of the commonly used components in electronic circuits. Its structure is similar to that of a transformer, but it has only one winding. The main function is to isolate and filter AC signals or form a resonant circuit with capacitors and resistors. In the field of power electronics, it is often used in circuits such as boosting, stepping down, power factor correction, and inverter output filtering. At present, the commonly used high-power inductors mostly use forced convection cooling or natural convecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F27/08H01F27/16H05K7/20
CPCH05K7/20272H01F27/08H01F27/16
Inventor 王志为王伟强张苒高恒傅隽
Owner RES INST OF PHYSICAL & CHEM ENG OF NUCLEAR IND
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