CN219202906U

CN219202906U - Inverter inductor capable of expanding heat dissipation

Info

Publication number: CN219202906U
Application number: CN202223075717.1U
Authority: CN
Inventors: 叶见新; 黄浩鑫; 黄胜
Original assignee: Guilin Pingle Zhongtai Electronic Technology Co ltd
Current assignee: Guilin Pingle Zhongtai Electronic Technology Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-06-16
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to the technical field of electronic circuits, in particular to an inverter inductor capable of expanding heat dissipation, which comprises an inductor component, a heat dissipation component and a fixing component, wherein the heat dissipation component is provided with heat dissipation metal, a heat dissipation gasket and heat conduction glue; the inductance component comprises a magnetic ring and an inductance coil, and the inductance coil is wound on the magnetic ring and forms a coil through hole; and heat conducting glue is poured into the coil through hole, and one end of the heat conducting glue is abutted with the heat radiating gasket. The heat conducting glue is filled in the magnetic ring, so that the heat in the inductor is led out to the heat radiating gasket, so that the heat is led out to heat radiating metal, and then led out to other external heat radiating equipment for quick heat radiation, so that the heat radiation of the inductor can be quickened, the heat of the inverter inductor body is reduced, the working condition of the inverter inductor at high temperature is reduced, the fault is reduced, and the service life is prolonged.

Description

Inverter inductor capable of expanding heat dissipation

Technical Field

The utility model relates to the technical field of electronic circuits, in particular to an inverter inductor capable of expanding heat dissipation.

Background

In modern life, it is often necessary to convert direct current into alternating current for external appliances, and the power inductance (inverter inductance) inside the electric appliance generates high heat during operation. The traditional inverter inductor mainly has air cooling and water cooling modes, but practice finds that the traditional inductor has relatively poor heat dissipation performance, so that the inductor has high failure rate and short service life; and also results in a relatively large energy consumption.

If heat is gathered near the winding coil for a long time, the heat is not effectively dissipated, the working state of the inductor is influenced under long-time high-temperature working condition, the existing heat dissipation mode for the inductor is to arrange heat dissipation fins on the shell, the heat dissipated in the shell by the inductor is dissipated through the fins, the heat dissipation effect is poor, and the heat is accumulated at the fins outside the shell.

In order to accelerate heat dissipation, the outer surfaces of the heat dissipation fins are generally provided with spaced fin structures, and heat accumulated by the fin structures is inconvenient to be led out by other heat dissipation devices.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.

The utility model provides an extensible radiating inverter inductor, includes inductance assembly, radiating assembly and fixed subassembly, inductance assembly horizontal lay on radiating assembly, radiating assembly is provided with heat dissipation metal, heat dissipation gasket and heat conduction glue, and the heat dissipation gasket is located between heat dissipation metal and the inductance assembly to with heat dissipation metal and inductance assembly butt; the inductance component comprises a magnetic ring and an inductance coil, and the inductance coil is wound on the magnetic ring and forms a coil through hole; and the heat conducting glue is poured into the coil through hole, one end of the heat conducting glue is abutted with the heat radiating gasket, and the other end of the heat conducting glue is flush with the inductance coil.

As a further scheme of the utility model: the heat dissipation metal edge is provided with the bending to inductance subassembly direction, and the angle of buckling is 90 degrees slightly, forms a space, and inductance subassembly's one end and heat dissipation gasket are laid in the space.

As a further scheme of the utility model: the heat dissipation metal is made of a heat dissipation aluminum plate.

As a further scheme of the utility model: one side of the heat dissipation metal, on which the inductance component is not arranged, is arranged into a square flat plate structure, and mounting holes are formed in four corners of the square.

As a further scheme of the utility model: the fixed subassembly is provided with the fixed band, and the both ends and the heat dissipation metal fixed connection of fixed band, the middle part and the inductance subassembly butt of fixed band.

As a further scheme of the utility model: the two fixing belts are arranged and are bundled on the inductance component in a cross shape.

As a further scheme of the utility model: the fixing band is made of steel band, and the cover of steel band surface is equipped with insulating pyrocondensation sleeve.

As a further scheme of the utility model: the fixed subassembly is provided with the structure adhesive, and the structure adhesive sets up the round around inductance subassembly's one end, and heat dissipation metal and inductance subassembly are connected to the structure adhesive fixed.

As a further scheme of the utility model: the structural adhesive is made of epoxy resin.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up heat dissipation metal, heat conduction gasket and heat conduction glue, through filling in the heat conduction glue in the magnetic ring inside, derive the inside heat of inductance to heat dissipation gasket to derive to heat dissipation metal, and heat dissipation metal's one side is flat board structure, easy to assemble is on other firing equipment, thereby makes heat derive and carries out quick heat dissipation to outside other firing equipment, thereby can accelerate the heat dissipation of inductance, thereby reduce the heat of contravariant inductance body, reduce the situation of contravariant inductance work under the high temperature, thereby reduce the trouble, increase of service life.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic exploded view of the present utility model;

FIG. 3 is a schematic diagram of an inductance assembly according to the present utility model;

fig. 4 is a schematic view of the structure of the mounting hole of the present utility model.

Reference numerals and names in the drawings are as follows:

an inductance assembly; a magnetic ring 11; 12 inductance coils; 13 coil through holes; 20 a heat dissipation assembly; 21 a heat dissipating metal; 22 heat dissipation pads; 23, heat conducting glue; 24 placing spaces; 25 mounting holes; 30 fixing the assembly; 31 a fixing band; 32 structural adhesive.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in an embodiment of the utility model, an inverter inductor with expandable heat dissipation includes an inductor assembly 10, a heat dissipation assembly 20 and a fixing assembly 30, wherein the inductor assembly 10 is horizontally disposed on the heat dissipation assembly 20, the heat dissipation assembly 20 is provided with a heat dissipation metal 21 and a heat dissipation pad 22, and the heat dissipation pad 22 is disposed between the heat dissipation metal 21 and the inductor assembly 10 and is abutted against the heat dissipation metal 21 and the inductor assembly 10. The inductance assembly 10 includes a magnetic ring 11 and an inductance coil 12, and the inductance coil 12 is wound around the magnetic ring 11 and forms a coil through hole 13. The heat dissipation assembly 20 is provided with a heat conduction adhesive 23, the heat conduction adhesive 23 is poured into the coil through hole 13, one end of the heat conduction adhesive 23 is abutted with the heat dissipation gasket 22, and the other end of the heat conduction adhesive 23 is flush with the inductance coil 12.

Specifically, the number of the magnetic rings 11 may be one or two; the two magnetic rings 11 are fixed by using adhesive tapes, then polyurethane enamelled copper wires are wound on the two magnetic rings 11, after the required inductance is achieved, the connector lug is led out, and the polyurethane enamelled copper wires can be wound together, so that the inductance can meet the production requirement. Then, a heat dissipation pad 22 is added to one side of the heat dissipation metal 21, and the wound inductance assembly 10 is laid on the heat dissipation pad 22, that is, the axis of the coil through hole 13 formed by winding the inductance coil 12 on the magnetic ring 11 is placed perpendicular to the heat dissipation pad 22. Then, the heat conducting glue 23 is filled in the coil through hole 13, the whole coil through hole 13 is filled with the heat conducting glue 23, and the heat conducting coefficient of the heat conducting glue 23 is larger than 1. The horizontal placement is more stable, and the largest area of the heat conducting glue 23 in the coil through hole 13 can be contacted with the heat dissipation gasket 22.

The edge of the heat dissipation metal 21 is provided with a bend towards the direction of the inductance component 10, the bending angle is slightly 90 degrees, a placing space 24 is formed, and the heat dissipation gasket 22 and one end of the inductance component 10 are placed in the placing space 24. The heat-radiating metal 21 is made of a heat-radiating aluminum plate. The side of the heat dissipation metal 21, on which the inductance component 10 is not mounted, is provided with a square flat plate structure, and four corners of the square are provided with mounting holes 25.

The fixing assembly 30 is provided with a fixing belt 31, two ends of the fixing belt 31 are fixedly connected with the heat dissipation metal 21, and the middle part of the fixing belt 31 is abutted to the inductance assembly 10. The securing strap 31 is strapped over the inductor assembly 10 to help secure the inductor assembly 10 to the heat sink metal 21. The fixing strips 31 are provided with two fixing strips 31 which are bundled on the heat dissipation metal 21 and the inductance assembly 10 in a cross shape. The fixing belt 31 is made of a steel belt, and an insulating heat-shrinkable sleeve (not shown in the figure) is sleeved on the outer surface of the steel belt to avoid scratching copper wires or causing short circuit.

The fixing assembly 30 is provided with a structural adhesive 32, the structural adhesive 32 is arranged around one end of the inductance assembly 10, which is abutted against the heat dissipation gasket 22, and the structural adhesive 32 is fixedly connected with the heat dissipation metal 21 and the inductance assembly 10. The structural adhesive 32 is made of epoxy.

Specifically, after the edge of the heat dissipation metal 21 is bent, a placement space 24 is formed, which mainly protects the heat dissipation gasket 22 and the structural adhesive 32, thereby protecting the connection between the inductance assembly 10 and the heat dissipation metal 21; on the other hand, the fixing belt 31 is also convenient to fix on the heat dissipation metal 21, the fixing belt 31 is welded on the folded edge of the heat dissipation metal 21 after being bent, and the structural adhesive 32 is smeared on the welding point to protect the welding point, so that the insulating property of the fixing belt 31 is improved. The whole surface of the fixing band 31 is wrapped by an insulating heat-shrinkable sleeve, so that the insulating property of the fixing band 31 is improved. Four corners of the installation space 24 formed by the heat dissipation metal 21 are provided with 4 installation holes 25 according to the production specification, and the structural adhesive 32 does not cover or shade the 4 installation holes 25.

When in use, the inverter inductor is arranged in the required equipment, and the copper wire connector is connected into the circuit, so that the inverter inductor is connected into the circuit. The heat sink metal 21 may then be abutted against the metal housing of the device and secured by means of bolts or the like through the mounting holes 25. The heat conducting glue 23 conducts heat of the inverter inductor to the heat radiating gasket 22, then the heat radiating gasket 22 conducts heat to the heat radiating metal 21, the heat radiating metal 21 conducts heat to the metal shell, and the metal shell can conduct heat to the outside air or other mediums. In another scheme, if the heating value of the inverter inductor is very large, a special efficient heat dissipation device can be independently arranged outside the equipment by arranging the inverter inductor, heat dissipation metals 21 of a plurality of inverter inductors can be arranged on the heat dissipation device, and the efficient heat dissipation device can be used for simultaneously dissipating heat, so that the heat dissipation efficiency is improved, and the interference of heat dissipation components to the equipment is reduced. And through the unified heat dissipation of high-efficient heat abstractor, can be efficient distribute away the heat of contravariant inductance to reduce the heat of contravariant inductance body, reduce the situation that contravariant inductance worked under high temperature, thereby reduce the trouble, increase of service life. And if the radiating device cannot radiate well in high-load work, other radiating devices can be added or replaced, and the radiating metal 21 of the inverter inductor can be conveniently added or replaced.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides an extensible radiating inverter inductor, including inductance assembly (10), radiating assembly (20) and fixed subassembly (30), characterized in that, inductance assembly (10) are laid on radiating assembly (20) horizontally, radiating assembly (20) are provided with radiating metal (21), radiating gasket (22) and heat conduction glue (23), radiating gasket (22) are located between radiating metal (21) and inductance assembly (10) to with radiating metal (21) and inductance assembly (10) butt; the inductance assembly (10) comprises a magnetic ring (11) and an inductance coil (12), wherein the inductance coil (12) is wound on the magnetic ring (11) and forms a coil through hole (13); and the heat conducting glue (23) is poured into the coil through hole (13), one end of the heat conducting glue (23) is abutted with the heat radiating gasket (22), and the other end of the heat conducting glue (23) is flush with the inductance coil (12).

2. The inverter inductor with the expandable heat dissipation function according to claim 1, wherein the edge of the heat dissipation metal (21) is provided with a bend towards the direction of the inductor assembly (10), the bending angle is 90 degrees, a placement space (24) is formed, and one end of the inductor assembly (10) and the heat dissipation gasket (22) are placed in the placement space (24).

3. An inverter inductor with expandable heat dissipation according to claim 1, characterized in that the heat dissipation metal (21) is made of heat dissipation aluminum plate.

4. An inverter inductor with expandable heat dissipation according to claim 1, wherein the side of the heat dissipation metal (21) where the inductor assembly (10) is not placed is provided with a square flat plate structure, and the four corners of the square are provided with mounting holes (25).

5. The inverter inductor with expandable heat dissipation according to claim 1, wherein the fixing component (30) is provided with a fixing band (31), two ends of the fixing band (31) are fixedly connected with the heat dissipation metal (21), and the middle part of the fixing band (31) is abutted with the inductor component (10).

6. An inverter inductor with expandable heat dissipation according to claim 5, characterized in that the two fixing strips (31) are arranged, and the two fixing strips (31) are bundled in a cross shape on the inductor assembly (10).

7. An inverter inductor with expandable heat dissipation according to claim 5, characterized in that the fixing band (31) is made of steel band, and the outer surface of the steel band is sleeved with an insulating heat-shrinkable sleeve.

8. An inverter inductor with expandable heat dissipation according to claim 1, characterized in that the fixing component (30) is provided with a structural adhesive (32), the structural adhesive (32) is arranged around one end of the inductor component (10), and the structural adhesive (32) is fixedly connected with the heat dissipation metal (21) and the inductor component (10).

9. An inverter inductor with expandable heat dissipation according to claim 8, characterized in that the structural adhesive (32) is made of epoxy resin.