CN212648043U

CN212648043U - Fixed inductance of no shell and encapsulating aluminum hull mould

Info

Publication number: CN212648043U
Application number: CN202020881716.8U
Authority: CN
Inventors: 何定林; 杜良平
Original assignee: HUIZHOU BAOHUI ELECTRONIC TECHNOLOGY CO LTD
Current assignee: HUIZHOU BAOHUI ELECTRONIC TECHNOLOGY CO LTD
Priority date: 2020-05-24
Filing date: 2020-05-24
Publication date: 2021-03-02
Anticipated expiration: 2030-05-24

Abstract

The utility model discloses a fixed inductance of no shell and encapsulating aluminum hull mould, wherein the fixed inductance of no shell, including the inductance body, the inductance body includes iron core, enameled wire, conducting strip and insulating packaging layer, the iron core all is located insulating packaging layer with the conducting strip, the conducting strip is located the below of iron core, the winding has the enameled wire on the iron core, the both ends of enameled wire all extend to insulating packaging layer's top. The utility model discloses a fixed inductance of no shell adopts AB silica gel to solidify the insulating packaging layer that forms and encapsulates the inductance subassembly, has replaced traditional inductance installation aluminum hull, has with low costs, advantage that the heat dissipation is good, the utility model discloses a fixed inductance encapsulating aluminum hull mould of no shell is integrated into one piece structure, and burr and unevenness can not appear in the outside of the finished product inductance of making through its encapsulating, can improve the installation accuracy of finished product inductance.

Description

Fixed inductance of no shell and encapsulating aluminum hull mould

Technical Field

The utility model relates to an inductance technical field especially relates to a fixed inductance of no shell and encapsulating aluminum hull mould.

Background

Inductance device is the inside indispensable device of new forms of energy inverter, and because of inductance device's operating current is big, the heat that produces is great, for solving the heat dissipation problem, new forms of energy inverter among the prior art is shown as figure 1, and it comprises aluminum hull and inductance component, and wherein inductance component installs in the aluminum box.

However, because the aluminum shell is fixedly installed, the contact position of the aluminum shell and the inverter radiator needs to be waterproof, the requirement on the flatness of the aluminum shell is very strict, and the production difficulty is increased; moreover, each inductor needs to use an aluminum shell, which is within the cost, and the cost of the inductor is increased; in addition, the contact position of the aluminum shell and the inverter radiator is only provided with one surface, so that the heat dissipation area is small, and the heat dissipation effect is poor, so that a shell-free fixed inductor and a glue-pouring aluminum shell mold are provided for solving the problems.

Disclosure of Invention

Based on the technical problem that the background art exists, the utility model provides a fixed inductance of no shell and encapsulating aluminum hull mould.

The utility model provides a fixed inductance of no shell, including the inductance body, the inductance body includes iron core, enameled wire, conducting strip and insulating packaging layer, the iron core all is located insulating packaging layer with the conducting strip, the conducting strip is located the below of iron core, the winding has the enameled wire on the iron core, the both ends of enameled wire all extend to insulating packaging layer's top.

Preferably, the heat conducting fins are made of silica gel.

Preferably, the insulating packaging layer is formed by injecting and solidifying AB silica gel.

The utility model also provides a encapsulating aluminum hull mould for producing no shell fixed inductance, including the inductance mould body, the inductance mould body includes the mould body, two circular die cavities have been seted up to the specific top symmetry of mould, have seted up interface channel between two circular die cavities, two gas holes have been seted up to the specific bottom symmetry of mould, and two gas holes are linked together with two circular die cavities respectively.

Preferably, the mold body is made of aluminum and is of an integrally formed structure.

Preferably, the die body is provided with a plurality of reinforcing ribs.

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

(1) the insulating packaging layer of the shell-free fixed inductor is formed by solidifying AB silica gel, has the advantages of good heat conduction effect and low cost, replaces the traditional inductor mounting aluminum shell, reduces the material cost, lightens the weight of the inductor body, further reduces the transportation cost, can be embedded in an inverter radiator, not only increases the heat dissipation area, but also does not need to consider the waterproof problem;

(2) the utility model discloses a fixed inductance encapsulating aluminum hull mould of no shell is integrated into one piece structure, simple structure, and burr and unevenness can not appear in the outside of the finished product inductance of making through its encapsulating, can improve the installation accuracy of finished product inductance.

Drawings

Fig. 1 is a diagram showing an external shape of an inductor for an inverter in the prior art;

fig. 2 is an outline view of the non-case fixed inductor of the present invention;

fig. 3 is a schematic front sectional view of the fixed inductor without a housing according to the present invention;

fig. 4 is a schematic front view of the glue-pouring aluminum shell mold for the fixed inductor without the outer shell according to the present invention;

fig. 5 is the utility model provides a no shell fixed inductance encapsulating aluminum hull mould overlook the schematic structure diagram.

In the figure: 1. an inductor body; 101. an iron core; 102. enamelled wires; 103. a heat conductive sheet; 104. an insulating encapsulation layer; 2. an inductance mold body; 201. a mold body; 202. a circular die cavity; 203. a connecting channel; 204. and (4) air blowing holes.

Detailed Description

The present invention will be further explained with reference to the following embodiments.

Examples

Referring to fig. 2 to fig. 3, the embodiment provides a case-less fixed inductor, which includes an inductor body 1, where the inductor body 1 includes an iron core 101, an enamel wire 102, a heat conducting strip 103 and an insulating packaging layer 104, the iron core 101 and the heat conducting strip 103 are both located in the insulating packaging layer 104, the heat conducting strip 103 is located below the iron core 101, the enamel wire 102 is wound on the iron core 101, and both ends of the enamel wire 102 extend to the upper side of the insulating packaging layer 104;

the heat conducting strip 103 is made of silica gel, and the insulating packaging layer 104 is formed by injecting and solidifying AB silica gel.

Iron core 101 and enameled wire 102 are encapsulated inside insulating packaging layer 104, and insulating packaging layer 104 is formed for AB silica gel injection solidification, has that the heat conduction is effectual, advantage with low costs, has replaced traditional inductance installation aluminum hull for inductance body 1 weight reduction, the cost of transportation reduces, and inductance body 1 can adopt embedded installation in the dc-to-ac converter radiator, has increased heat radiating area, also need not consider waterproof problem simultaneously.

Referring to fig. 4 to 5, the embodiment further provides a glue pouring aluminum shell mold for producing a case-free fixed inductor, which includes an inductor mold body 2, the inductor mold body 2 includes a mold body 201, two circular mold cavities 202 are symmetrically formed in the top of the mold body 201, a connecting channel 203 is formed between the two circular mold cavities 202, two gas blowing holes 204 are symmetrically formed in the bottom of the mold body 201, and the two gas blowing holes 204 are respectively communicated with the two circular mold cavities 202;

the mould body 201 is made of aluminum and is of an integrated structure, and a plurality of reinforcing ribs are arranged on the mould body 201.

During the use, two ventholes 204 connect the shower nozzle of mould air gun, when carrying out the encapsulating process, put the silica gel conducting strip into the mould inslot that two circular die cavity 202 and connecting channel 202 are constituteed according to the size requirement, then put the inductance device into on the good silica gel conducting strip of dress, inject the A/B silica gel after the concoction into the mould inslot afterwards, after the A/B silica gel solidification, can obtain the finished product inductance, use the air gun at last to blow off the finished product inductance out the mould groove, because the mould body 201 is the integrated into one piece structure, burr and unevenness can not appear in the outside of the finished product inductance that makes, can improve the installation accuracy of finished product inductance.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. There is not fixed inductance of shell, including inductance body (1), its characterized in that, inductance body (1) includes iron core (101), enameled wire (102), conducting strip (103) and insulating encapsulation layer (104), iron core (101) all are located insulating encapsulation layer (104) with conducting strip (103), conducting strip (103) are located the below of iron core (101), the winding has enameled wire (102) on iron core (101), the both ends of enameled wire (102) all extend to the top of insulating encapsulation layer (104).

2. The non-casing fixed inductor according to claim 1, wherein the heat conducting sheet (103) is made of silica gel.

3. The case-less fixed inductor of claim 1, wherein the insulating encapsulation layer (104) is formed by injection-molding AB silica gel.

4. The glue-pouring aluminum shell die for the case-free fixed inductor comprises an inductor die body (2) used for producing the case-free fixed inductor as claimed in any one of claims 1 to 3, and is characterized in that the inductor die body (2) comprises a die body (201), two circular die cavities (202) are symmetrically formed in the top of the die body (201), a connecting channel (203) is formed between the two circular die cavities (202), two air blowing holes (204) are symmetrically formed in the bottom of the die body (201), and the two air blowing holes (204) are respectively communicated with the two circular die cavities (202).

5. The aluminum casing die for the fixed inductor without the outer casing as claimed in claim 4, wherein the die body (201) is made of aluminum and is of an integrally formed structure.

6. The aluminum shell die for the fixed inductor without the outer shell as claimed in claim 4, wherein the die body (201) is provided with a plurality of reinforcing ribs.