CN209962856U

CN209962856U - Vehicle-mounted PFC inductor integrated structure

Info

Publication number: CN209962856U
Application number: CN201920216287.XU
Authority: CN
Inventors: 王卫红; 周晓漾
Original assignee: WUXI NIUKE ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: Wuxi newtech Electronic Technology Co.,Ltd.
Priority date: 2019-02-20
Filing date: 2019-02-20
Publication date: 2020-01-17
Anticipated expiration: 2029-02-20

Abstract

The utility model discloses a vehicle PFC inductance integrated structure, a round magnetic core is arranged on the front surface of a bottom plate, an integrated embedded terminal is arranged on the back surface of the bottom plate, one end of the integrated embedded terminal is connected with a coil on the round magnetic core through the bottom plate, the coil is electrically connected with the outside through the integrated embedded terminal, the bottom plate which is provided with an injection molding insulating material with a groove is arranged on the round magnetic core, and the conductive integrated embedded terminal with a fixing function is embedded in the insulating bottom plate, so that the overall size is effectively reduced, and the integrated installation is realized; the integrated embedded terminal and the coil are connected through soldering tin and the like, the coil can be effectively installed on the bottom plate and prevented from falling off, the shock resistance and the falling prevention of the structure are improved, the whole PFC inductor effectively resists damage caused by mechanical shock and the like, the size of the whole PFC inductor is effectively reduced, the conduction of current between the integrated embedded terminal and the coil is realized, and the conduction of a product passage is realized.

Description

Vehicle-mounted PFC inductor integrated structure

Technical Field

The utility model belongs to the PFC inductance field of integrated form installation, specifically speaking are on-vehicle PFC inductance integrated form structure of using, it is arranged in the circuit that needs power correction.

Background

The conventional PFC inductor adopts a discrete inductor in order to improve the installation convenience and reliability.

General PFC inductance is installed circular magnetic core on the skeleton or the bottom plate of plastics on the existing market, and rethread plastic base and magnetic core glue are connected, and the coil pin is installed with the contact pin mode, can't the snap-on in other subassemblies.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vehicle PFC inductance integrated structure, which integrates the whole inductance and directly installs the inductance through a screw, thereby greatly saving the installation time and simultaneously improving the reliability of the connection of products; and adopt integrated mounting means, improved each item mechanical shock resistance and the anti-falling ability of product, in order to reach above-mentioned purpose, adopt following technical scheme: the utility model discloses a: the magnetic core structure comprises a bottom plate 1, a circular magnetic core 2 and an integrated embedded terminal 3, wherein the circular magnetic core 2 is installed on the front face of the bottom plate 1, the integrated embedded terminal 3 is installed on the back face of the bottom plate, one end of the integrated embedded terminal 3 penetrates through the bottom plate 1 to be connected with a coil on the circular magnetic core 2, and the coil is electrically connected with the outside through an integrated embedded terminal.

Preferably, the front surface of the bottom plate 1 is provided with a groove tangent to the circular magnetic core 2.

Preferably, the bottom plate 1 is connected with the circular magnetic core 2 through adhesive.

Preferably, the bottom plate 1 and the circular magnetic core 2 are tightly clamped by a clamping groove, so that the circular magnetic core 2 and the bottom plate 1 are effectively combined.

Preferably, the outer portion of the circular magnetic core 2 is uniformly wound with a coil.

Preferably, the integral embedded terminal 3 is a conductor, and an end of the integral embedded terminal 3 is electrically connected to the coil after passing through the bottom plate 1.

Preferably, the integrated embedded terminal 3 is embedded in the base plate by a pre-embedding or post-loading manner.

The utility model discloses beneficial effect:

the utility model adopts the round magnetic core, compared with the square magnetic core with the same volume, the utility model can more effectively utilize the space, ensure the volume of the product to be thinner and lighter, and effectively increase the sensitivity of the product;

according to the application, the injection-molded bottom plate made of the insulating material and provided with the groove is arranged on the circular magnetic core, and the conductive integrated embedded terminal with the fixing function is embedded in the insulating bottom plate, so that the overall size is effectively reduced, and integrated installation is realized; the integrated embedded terminal and the coil are connected through soldering tin and the like, the coil can be effectively installed on the bottom plate and prevented from falling off, the shock resistance and the falling prevention of the structure are improved, the whole PFC inductor effectively resists damage caused by mechanical shock and the like, the size of the whole PFC inductor is effectively reduced, the trend of miniaturization and convenience of the conventional PFC is met, the integrated installation is realized, the conduction of current between the integrated embedded terminal and the coil is realized, and the conduction of a product channel is realized.

Drawings

The present invention will be described in further detail with reference to the drawings. The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In the drawings:

fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a rear elevational view of FIG. 1;

fig. 3 is a schematic view of the structure of the integrated embedded terminal of the present invention;

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the present invention includes: insulating material's bottom plate 1, circular magnetic core 2, integrative embedded terminal 3, the even winding in circular magnetic core 2 outside has the multilayer coil, circular magnetic core 2 is installed in the front of bottom plate 1, integrative embedded terminal 3 is installed in the back of bottom plate, the coil terminal that bottom plate 1 and circular magnetic core 2 were passed to the one end of integrative embedded terminal 3 is connected, the coil passes through the electric connection of integral type embedded terminal and outside, utilize the integrated mode of integrative embedded terminal, can effectively reduce whole size, realize the integral type installation and form the route.

Preferably, the bottom plate selects the mode of adopting the mould to mould plastics, designs the cylinder type recess at the bottom plate upper surface, and the bottom laminating of annular coil outside the recess and circular magnetic core 2 completely ensures that annular coil and bottom plate have the biggest contact surface.

Preferably, the bottom plate 1 can effectively combine the coil and the bottom plate in a manner of adhesive bonding or a manner of tight clamping of the clamping groove.

Preferably, the lead wires at the beginning and the end of the coil need to be designed and arranged at a certain angle, so that the connection between the end of the coil and the integrated embedded terminal is ensured to be continuous and smooth.

Preferably, the coil terminal is connected to the integrally embedded terminal 2 by welding, riveting or crimping.

Preferably, the integrated embedded terminal 3 is embedded in the bottom plate in a pre-embedding or post-installing manner, the integrated embedded terminal 3 is a conductor element, the circular magnetic core terminal and the upper end of the integrated embedded terminal 3 are connected by soldering, riveting or crimping to form a passage, and the integrated embedded terminal 3 can be directly fixed to other installation components through screws.

In the integrated embedded terminal 3, as shown in fig. 3, the inner hole is designed according to the thread of a standard fastener, and the outer part is embedded or injection-molded in the bottom plate through a groove-shaped combined pattern.

Preferably, the combined patterns of the multi-section chutes and the groove patterns are used for increasing the combination of the embedded part and the plastic bottom plate, improving the performance of torsion resistance and tensile resistance, and can be embedded after injection molding or embedded into the plastic bottom plate.

Preferably, the groove-shaped combined patterns enable the product to meet the requirements of automobile-level anti-vibration testing.

Preferably, the protruding part of the upper end of the integrated embedded terminal 3 penetrates through the bottom plate and is used for connecting the coil and the integrated embedded terminal 3, and the standard thread design of the inner hole of the terminal is convenient for external electrical standardized connection.

Product structure can satisfy the experimental requirement of trade random vibration, the screwed connection is on the PCB board for the product, after 5g random test 1000 hours, the functional test homoenergetic 100% is at-40- +150 degrees centigrade temperature interval normal work and the outward appearance does not have obvious damage.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention; various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An on-vehicle PFC inductance integrated structure, comprising: bottom plate (1), circular magnetic core (2), integrative embedded terminal (3), its characterized in that: the round magnetic core (2) is arranged on the front face of the bottom plate (1), the integrated embedded terminal (3) is arranged on the back face of the bottom plate, one end of the integrated embedded terminal (3) penetrates through the bottom plate (1) to be connected with a coil on the round magnetic core (2), and the coil is electrically connected with the outside through the integrated embedded terminal.

2. The integrated structure of the PFC inductor for the vehicle according to claim 1, wherein: the front surface of the bottom plate (1) is provided with a groove tangent to the circular magnetic core (2).

3. The integrated structure of the PFC inductor for the vehicle according to claim 1, wherein: the bottom plate (1) is connected with the circular magnetic core (2) through adhesive glue.

4. The integrated structure of the PFC inductor for the vehicle according to claim 3, wherein: the round magnetic core (2) and the bottom plate (1) are effectively combined in a mode of tight clamping of a clamping groove between the bottom plate (1) and the round magnetic core (2) or in a mode of tight clamping of the clamping groove.

5. The integrated structure of the PFC inductor for the vehicle according to claim 1, wherein: the outside of the circular magnetic core (2) is uniformly wound with coils.

6. The integrated structure of the PFC inductor for the vehicle according to claim 5, wherein: the integrated embedded terminal (3) is a conductor, and the end part of the integrated embedded terminal (3) penetrates through the bottom plate (1) and then is electrically connected with the coil.

7. The integrated structure of the PFC inductor for the vehicle according to claim 1, wherein: the integrated embedded terminal (3) is embedded into the bottom plate in a pre-embedding or post-installation mode.