CN218866845U

CN218866845U - Inductor mounting structure

Info

Publication number: CN218866845U
Application number: CN202222908377.XU
Authority: CN
Inventors: 李焱; 孙本新
Original assignee: Beijing Epsolar Technology Co ltd
Current assignee: Beijing Epsolar Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-04-14
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to the technical field of electronic equipment, in particular to an inductor mounting structure, which comprises an inductor bin, an inductor outlet plate and an O-shaped sealing ring, wherein a bulge is arranged in the inductor bin, and an inductor can be sleeved on the bulge; the inductance line outgoing plate is positioned in the inductance bin and fixed relative to the inductance bin, a threading hole is formed in the inductance line outgoing plate in a penetrating mode, a line leading ring extending towards one side far away from the inductance is arranged on the circumferential direction of the threading hole, and the line leading ring can be inserted into the through hole formed in the shell; the O-shaped sealing ring is sleeved on the lead ring and is in interference fit with the lead ring, and the O-shaped sealing ring protrudes out of the inductance bin. The inductor mounting structure can realize the sealing of the case connected with the inductor by using the sealing standard component of the O-shaped sealing ring, and can effectively reduce the cost, and is safe and reliable.

Description

Inductor mounting structure

Technical Field

The utility model relates to an electronic equipment technical field especially relates to an inductance mounting structure.

Background

With the development of power electronic technology, the power density of power electronic equipment is continuously increased, the topological structure of the power electronic equipment is continuously enriched, the requirements on the weight, reliability and service life of the power electronic equipment are continuously enhanced, and more convenient installation and reliable heat dissipation design have very important influence on products.

In order to effectively reduce the volume of power electronic equipment machine case, improve the heat-sinking capability, all external with the inductance at present: the method comprises the steps of firstly placing an inductor in an inductor bin, pouring a pouring sealant into the inductor bin to seal the inductor, then integrally fixing the inductor bin on a casing of a case, and arranging a through hole for connecting the inductor and an electronic element inside the casing on the casing. For some chassis with higher waterproof and dustproof requirements, such as inverters, sealing rings are usually placed around the inductance bin and have a shape fitting with the inductance bin to seal the contact position of the chassis and the inductance bin so as to ensure the sealing performance inside the chassis. However, the sealing ring is often large in size and needs to be matched with the shape of the inductance bin, the shapes of the sealing rings used by the inductance bins in different shapes are not uniform, the sealing ring needs to be opened and positioned, the cost is high, and the reliability of water resistance and dust resistance is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inductance mounting structure, this inductance mounting structure are used for fixing the inductance at quick-witted case outside and to the casing on supply the through-hole that the inductance lead wire penetrated effectively seal, realize quick-witted incasement waterproof dustproof.

To achieve the purpose, the utility model adopts the following technical proposal:

the inductor mounting structure comprises an inductor bin, an inductor outlet plate and an O-shaped sealing ring, wherein the inductor bin is of a groove-shaped structure with one open end, a bulge is arranged in the inductor bin, and an inductor can be sleeved on the bulge; the inductance line outgoing plate is located in the inductance bin and fixed relative to the inductance bin, a threading hole is formed in the inductance line outgoing plate in a penetrating mode, a line leading ring extending towards one side far away from the inductance is arranged on the periphery of the threading hole, and the line leading ring can be inserted into a through hole formed in the shell; the O-shaped sealing ring is sleeved on the lead ring and in interference fit with the lead ring, and the O-shaped sealing ring protrudes out of the inductance bin.

Optionally, the inductor bin includes a plurality of receiving grooves, and one protrusion is disposed in each receiving groove.

Optionally, the protrusion is a cylindrical protrusion, and the diameter of the protrusion is consistent with the diameter of the central hole of the inductor.

Optionally, the periphery of the side wall of one end of the opening of the inductance bin is provided with an outer edge, and the outer edge is provided with a bolt hole.

Optionally, the outer rim is spaced around the inductive bin.

Optionally, an annular groove is coaxially formed in the inductance outgoing line plate around the lead ring, and the O-shaped sealing ring is arranged in the annular groove.

Optionally, one end of the inductance line outgoing plate is connected with the protrusion, and the other end of the inductance line outgoing plate is connected with the side wall of the inductance bin.

Optionally, the inductance outlet plate is screwed with the top of the protrusion.

Optionally, the inductance outlet plate and the protrusion are screwed by using a countersunk bolt.

Optionally, a limiting groove is formed in an end face of one end of the opening in the side wall of the inductance bin, the inductance line outgoing plate comprises a lapping block, and the lapping block is lapped in the limiting groove.

The beneficial effects of the utility model are that: the utility model discloses in set up the through wires hole that supplies the inductance lead wire to pass on the inductance lead plate, and extend in the through wires hole periphery to the direction of keeping away from the inductance and set up the lead ring, the lead ring can insert in the casing, the lead ring can be sealed by the casting glue of pouring into in the inductance storehouse towards the one end of inductance, the through-hole that supplies the lead ring to penetrate on lead ring and the casing is come from to the leakage that this moment machine case and outside probably produced, for this reason, O type seal ring is established to the cover on the lead ring, when inductance storehouse and casing are connected, O type seal ring receives the casing extrusion and forms sealedly with lead ring junction at the through-hole, finally realize the sealing to the machine case, set up the sealing washer that agrees with inductance storehouse shape in inductance storehouse periphery for current and seal up and say, O type seal ring belongs to sealed standard component, the economy of purchase convenience, assembly process is simple, can effectively reduce cost, it is reliable to seal simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of an inductor mounting structure mounted on a housing according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

fig. 3 is a schematic structural diagram of an inductor mounting structure proposed in an embodiment of the present invention (O-ring is omitted);

fig. 4 is a schematic structural diagram of an inductance outgoing board provided in an embodiment of the present invention.

In the figure: 1. an inductance bin; 11. a protrusion; 12. an outer edge; 13. a limiting groove; 14. a partition plate; 2. an inductance outlet plate; 21. threading holes; 22. a wire loop; 23. an annular groove; 24. a lapping block; 3. an O-shaped sealing ring; 4. an inductance; 5. a housing; 51. and a through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides an inductor mounting structure, which is used in the field of electronic equipment, and particularly used for being connected with a case with a high requirement on protection level, and can fix an inductor on a case of the case and form effective sealing by using a sealing standard component.

Referring to fig. 1-4, the inductor mounting structure provided in this embodiment includes an inductor bin 1, an inductor outgoing line plate 2 and an O-ring 3, where the inductor outgoing line plate 2 and the inductor 4 are both disposed in the inductor bin 1, the inductor bin 1 is a slot-shaped structure with an opening on one side, and a protrusion 11 extending toward the opening direction is disposed in the inductor bin, the inductor 4 can be sleeved on the protrusion 11 and can pass through a through hole 51 on a housing 5 through a lead of the inductor 4 to be connected to an electronic component in the housing, the inductor outgoing line plate 2 is fixed relative to the inductor bin 1, and a threading hole 21 is formed in the inductor outgoing line plate to allow the lead of the inductor 4 to pass through, a lead ring 22 extending away from one side of the inductor 4 is circumferentially disposed in the threading hole 21, the lead ring 22 can be inserted into the through hole 51 formed on the housing 5 and can be matched with a diameter of the through hole 51, the O-ring 3 is sleeved on the lead ring 22 and is in interference fit with the lead ring 22, the O-ring 3 protrudes out of the inductor bin 1, and after the inductor bin 1 is connected to the housing 5, the O-ring 3 is in an elastically compressed state.

When the waterproof and dustproof inductor cabinet is installed, firstly, an inductor 4 is sleeved on a protrusion 11, an inductor outlet plate 2 is fixed above the inductor 4, a lead of the inductor 4 sequentially penetrates through a threading hole 21 and a through hole 51 to be connected with an electronic component in the cabinet, an O-shaped sealing ring 3 is sleeved on a lead ring 22, heat-conducting potting adhesive is filled in an inductor bin 1 to submerge the inductor 4 and touch one side of the inductor outlet plate 2 facing the inductor 4, the heat-conducting potting adhesive is cured to form a potting adhesive layer, so that the inductor outlet plate 2, the inductor 4 and the inductor bin 1 are cured into a whole, one side of the lead ring 22, which faces away from the cabinet 5, is sealed, then the lead ring 22 is inserted into the through hole 51 of the cabinet 5, the inductor bin 1 is fixed on the cabinet 5, in the fixing process, the O-shaped sealing ring 3 is extruded, the contact part of the lead ring 22 and the through hole 51 is sealed, and the waterproof and dustproof purposes of the whole cabinet are achieved; meanwhile, heat inside the case can be transferred to the potting adhesive through the lead ring 22, the potting adhesive has a good heat conduction effect, and the case is in heat exchange with the external environment due to the fact that the inductance bin 1 is not hermetically connected with the outside, and effective heat dissipation is achieved.

As shown in fig. 2-3, the shape of the inductor bin 1 is matched with the shape of the inductor 4 to reduce the usage amount of the potting adhesive, and the inductor bin 1 includes a plurality of accommodating grooves for accommodating the inductors 4 at the same time, and the adjacent accommodating grooves are separated by a partition plate 14. Be provided with a arch 11 in every storage tank, arch 11 is cylindricly, and its diameter keeps unanimous with the diameter of 4 centre holes of inductance to spacing 4, avoid inductance 4 to remove. In this embodiment, based on the cylindrical structure of the inductor 4, the inductor bin 1 is formed by mutually communicating a plurality of cylindrical structures matched with the outer contour of the inductor 4 in shape. The periphery of the side wall at one end of the opening of the inductance bin 1 is provided with an outer edge 12 so as to be conveniently connected with the machine shell 5. Illustratively, in order to reduce the manufacturing cost of the inductance bin 1 and reduce the material consumption, the outer edges 12 are arranged at intervals around the inductance bin 1, and are specifically arranged at the connecting part of the cylindrical structure and at two opposite sides of the length of the inductance bin 1, so that the volume of the inductance bin 1 can be further reduced; inductance bin 1 and casing 5 spiro union, offer the bolt hole that supplies the bolt to pass on outer edge 12, simultaneously, still be equipped with a plurality of through holes on outer edge 12 in order to further reduce outer edge 12's material quantity.

In the embodiment, the inductance bin 1 is an integrally formed plastic part, so that the weight is light, and the weight of the whole control cabinet can be effectively reduced; the inductance outgoing line plate 2 is integrally of a disc-shaped structure, and an integrally formed plastic part can be adopted, so that the processing cost can be reduced, and the weight can be reduced.

In order to ensure that the installation position of the O-shaped sealing ring 3 is stable, an annular groove 23 is coaxially formed in the inductance outlet plate 2 around the lead ring 22, the O-shaped sealing ring 3 is arranged in the annular groove 23 and is in interference fit with the lead ring 22, and at the moment, the thickness of the O-shaped sealing ring 3 is larger than the depth of the annular groove 23. Specifically, the surface of one side of the inductance outlet plate 2, which faces away from the inductance 4, is arranged to be flush with the end face of the opening end of the inductance bin 1, and when the inductance bin 1 is connected with the casing 5, the O-shaped sealing ring 3 can be squeezed to realize sealing.

Optionally, in order to make inductance outlet plate 2 for inductance storehouse 1 rigidity, avoid influencing the encapsulating effect, inductance outlet plate 2 wherein one end is connected with protruding 11's top, and the other end is connected with the lateral wall in inductance storehouse 1, and this is done all can also to the inductance 4 and is walked the axial spacing. At this time, the height of the protrusion 11 is higher than that of the inductor 4 for convenient connection with the inductor outlet board 2. Illustratively, one end of the inductance outlet plate 2 is screwed with the protrusion 11, and the other end is lapped with the side wall of the inductance bin 1. Specifically, the top of the protrusion 11 is provided with a threaded hole, and the inductance outlet plate 2 is correspondingly provided with a bolt hole for a bolt to pass through; the limiting groove 13 has been seted up on the lateral wall opening one end terminal surface in inductance storehouse 1, is provided with the overlap joint piece 24 on the inductance lead-out plate 2, and the overlap joint piece 24 can overlap joint in limiting groove 13 and agree with the shape of limiting groove 13 mutually to carry on spacingly to inductance lead-out plate 2, make things convenient for inductance lead-out plate 2 and protruding 11 be connected.

It can be understood that the bolt here is a countersunk bolt, which can be sunk into the inductance outlet plate 2 to avoid affecting the connection between the inductance bin 1 and the housing 5.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. Inductance mounting structure, its characterized in that includes:

the inductor bin (1) is of a groove-shaped structure with one open end, a protrusion (11) is arranged in the inductor bin (1), and an inductor (4) can be sleeved on the protrusion (11);

the inductance line outgoing plate (2) is positioned in the inductance bin (1) and fixed relative to the inductance bin (1), a threading hole (21) is formed in the inductance line outgoing plate (2) in a penetrating mode, a lead ring (22) extending to one side far away from the inductance (4) is arranged in the circumferential direction of the threading hole (21), and the lead ring (22) can be inserted into a through hole (51) formed in the shell (5);

o type sealing washer (3), the cover is established lead on the ring (22) and with lead ring (22) interference fit, O type sealing washer (3) protrusion in inductance storehouse (1).

2. The inductance mounting structure according to claim 1, wherein said inductance bin (1) comprises a plurality of receiving grooves, one said protrusion (11) being disposed in each said receiving groove.

3. The inductance mounting structure according to claim 2, wherein the protrusion (11) is a cylindrical protrusion (11), and the diameter of the protrusion (11) is identical to the diameter of the center hole of the inductance (4).

4. The inductance mounting structure according to claim 1, wherein an outer edge (12) is arranged on the periphery of the side wall of the opening end of the inductance bin (1), and a bolt hole is formed in the outer edge (12).

5. The inductance mounting structure according to claim 4, wherein said outer rim (12) is disposed at intervals around said inductance compartment (1).

6. The inductance mounting structure according to claim 1, wherein an annular groove (23) is coaxially formed on the inductance outlet plate (2) around the lead ring (22), and the O-ring (3) is disposed in the annular groove (23).

7. The inductance installation structure according to claim 1, wherein one end of the inductance outlet plate (2) is connected to the protrusion (11), and the other end is connected to a side wall of the inductance bin (1).

8. The inductance mounting structure according to claim 7, wherein the inductance outlet plate (2) is screwed with the top of the protrusion (11).

9. The inductance installation structure according to claim 8, wherein the inductance outlet plate (2) and the protrusion (11) are screwed together by using a countersunk bolt.

10. The inductance installation structure according to claim 8, wherein a limiting groove (13) is formed in an end face of an opening at one end of a side wall of the inductance cabin (1), the inductance outlet plate (2) comprises a lapping block (24), and the lapping block (24) is lapped in the limiting groove (13).