CN220509840U - Inductance coil module and integrated inductor - Google Patents

Abstract

The utility model discloses an inductance coil module and an integrated inductor, wherein the inductance coil module comprises a plurality of inductance coil bodies, a frame and electrode plates, pins are arranged at two ends of the inductance coil bodies, connecting grooves are formed in the outer walls of the tops of the pins, bending parts are arranged on the outer walls of two sides of the electrode plates, the bending parts are clamped in the connecting grooves, and fracture marks are formed at the connecting positions of the electrode plates and the frame; the integrated into one piece inductance includes the magnetic core, and the inductor body sets up on the inner wall of magnetic core bottom, and the outer wall of magnetic core is provided with the shield shell. The utility model can ensure that the connection between the pin and the electrode plate is firmer, and solves the problem that the pin and the electrode plate welding point are easy to separate when only the spot welding connection is performed to press magnetic powder; the electrode plate can be separated from the frame through the fracture mark, and the inductance coil module is required to be cut after the magnetic core is pressed, so that the processing steps are reduced, and the processing efficiency is improved.

Description

Inductance coil module and integrated inductor

Technical Field

The utility model relates to the technical field of inductors, in particular to an inductance coil module and an integrated inductor.

Background

The inductor is generally referred to as an inductor, which is a circuit element that generates electromotive force due to a change in a current passing therethrough, so as to resist the change in the current, and has a structure similar to a transformer, but has only one winding, and is generally composed of a bobbin, a winding, a shield case, an encapsulation material, a magnetic core, or an iron core. If the inductor is in a state where no current is passing, it will attempt to block the flow of current through it when the circuit is on; if the inductor is in a state where current is passing, it will try to maintain the current unchanged when the circuit is opened, the inductor winding being a component in the inductor.

The novel inductance coil module with the bulletin number of CN208655413U and the bulletin day of authority of 2019.03.26 comprises a lead frame and an inductance coil, wherein the lead frame comprises a frame body and a plurality of electrode feet, the electrode feet comprise bifurcated limiting arms, the inductance coil comprises an electrical terminal, the electrical terminal is in spot welding connection with the limiting arms, aluminum foil layers are arranged on the front surface and the back surface of the frame body, easy-tearing wires are arranged on the two sides of each electrode foot on the frame body, and the aluminum foil layers are in adhesive connection with the frame body.

Before forming, the integrally formed inductor needs to spot-weld the pins and the electrode plates of a plurality of induction coils, then die-cast the magnetic powder to form a magnetic core, and finally the magnetic core is formed through operations such as shearing and bending, and when the magnetic powder is die-cast, the pins and the welding points of the electrode plates of the induction coils are easily separated, so that the design of an induction coil module and the integrally formed inductor is needed to solve the problems.

Disclosure of Invention

The present utility model is directed to an inductor module and an integrated inductor, which solve the above-mentioned drawbacks of the prior art.

In order to achieve the above object, the present utility model provides the following technical solutions:

the inductance coil module comprises a plurality of inductance coil bodies, frames and electrode plates, wherein pins are arranged at two ends of each inductance coil body, connecting grooves are formed in the outer walls of the tops of the pins, bending parts are arranged on the outer walls of two sides of each electrode plate, the bending parts are clamped inside the connecting grooves, and breaking marks are formed in the joints of the electrode plates and the frames.

The integrated inductor comprises a magnetic core and the inductor coil body, wherein the inductor coil body is arranged on the inner wall of the bottom of the magnetic core, a shielding shell is arranged on the outer wall of the magnetic core, and a heat conducting plate is arranged on the inner wall of the top of the shielding shell.

Further, a heat conducting column is arranged on the outer wall of the bottom of the heat conducting plate, and an insulating tube is arranged on the outer wall of the heat conducting column.

Further, an insulating pad is arranged on the outer wall of the heat conducting plate, and magnetic powder is filled in a gap inside the magnetic core.

Further, a plurality of heat dissipation rods are arranged on the outer wall of the top of the heat conduction plate, and through holes are formed in the outer wall of the top of the shielding shell.

Further, an insulating ring is arranged on the inner wall of the through hole, and the radiating rod penetrates through the inside of the insulating ring.

According to the inductance coil module and the integrated inductor provided by the utility model, the pins and the electrode plates can be more firmly connected by the mode that the pins and the electrode plates are clamped in the connecting grooves through the electrode plates, the pins, the bending parts and the connecting grooves and then spot-welded with the pins and the electrode plates of the inductance coil body, and the problem that the pins and the welding points of the electrode plates are easily separated when only spot-welded and connected with pressed magnetic powder is solved; (2) Through the arranged fracture marks, the electrode plate can be separated from the frame through the fracture marks, and the inductance coil module is required to be cut after the magnetic core is pressed, so that the processing steps are reduced, and the processing efficiency is improved; (3) Through the heat conduction post, insulating tube, heat-conducting plate, insulating pad, radiating rod, through-hole and the insulating ring that set up, the inductance coil body can produce the heat at the during operation, and the heat conduction post is the copper post can give the heat conduction plate and dispel the outside of shield shell through the radiating rod again, has realized radiating function to the inductance coil body, can prevent that the heat from dispelling and be difficult for leading to the phenomenon that the inductance coil body burns out.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

Fig. 1 is a schematic diagram of an inductor module according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of an inductor module and an electrode sheet structure provided in an embodiment of an integrally formed inductor according to the present utility model.

Fig. 3 is a schematic diagram of an inductor perspective structure provided by an inductor module and an integrated inductor embodiment of the present utility model.

Fig. 4 is a schematic diagram of an inductor internal structure provided by an embodiment of an inductor module and an integrated inductor according to the present utility model.

Reference numerals illustrate:

1. an inductance coil body; 2. a frame; 3. an electrode sheet; 4. pins; 5. a bending part; 6. a connecting groove; 7. a fracture mark; 8. a shield case; 9. a magnetic powder; 10. a heat conducting column; 11. an insulating tube; 12. a heat conductive plate; 13. an insulating pad; 14. a heat dissipation rod; 15. a through hole; 16. an insulating ring; 17. a magnetic core.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, the inductor coil module provided by the embodiment of the utility model comprises a plurality of inductor coil bodies 1, a frame 2 and electrode plates 3, wherein pins 4 are arranged at two ends of the inductor coil bodies 1, connecting grooves 6 are formed in outer walls of tops of the pins 4, bending parts 5 are arranged on outer walls of two sides of the electrode plates 3, the bending parts 5 are clamped in the connecting grooves 6, and fracture marks 7 are formed at connecting positions of the electrode plates 3 and the frame 2.

The utility model provides an inductance coil module and an inductance coil module, which comprise a plurality of inductance coil bodies 1, a frame 2 and electrode plates 3, wherein pins 4 are arranged at two ends of the inductance coil bodies 1, connecting grooves 6 are formed in the outer walls of the tops of the pins 4, bending parts 5 are arranged on the outer walls of two sides of the electrode plates 3, the bending parts 5 are clamped in the connecting grooves 6, a fracture mark 7 is formed at the joint of the electrode plates 3 and the frame 2, and the bending parts 5 are clamped in the connecting grooves 6 and then spot-welded with the electrode plates 3 on the pins 4 of the inductance coil, so that the pins 4 and the electrode plates 3 are connected more firmly, and the welding spots can be prevented from being separated.

The beneficial effects are that: the pin 4 of the inductance coil body 1 and the electrode plate 3 are subjected to spot welding after being clamped in the connecting groove 6 through the bending part 5, the pin 4 and the electrode plate 3 can be connected more firmly through the mode, and the problem that the pin 4 is easy to separate from the welding spot of the electrode plate 3 when only the magnetic powder 9 is pressed through spot welding is solved.

The integrated into one piece inductance, including magnetic core 17, inductor body 1 sets up on the inner wall of magnetic core 17 bottom, and the outer wall of magnetic core 17 is provided with shield shell 8, is provided with heat-conducting plate 12 on the inner wall at shield shell 8 top, and heat-conducting plate 12 can be with the heat transfer that heat conduction post 10 transferred to give the radiating rod 14.

In one embodiment of the present utility model, as shown in fig. 4, a heat conducting post 10 is disposed on an outer wall of a bottom of a heat conducting plate 12, and an insulating tube 11 is disposed on an outer wall of the heat conducting post 10, where the heat conducting post 10 can transfer heat generated during operation of the inductor coil body 1 to the heat conducting plate 12.

In another embodiment provided by the utility model, as shown in fig. 4, an insulating pad 13 is arranged on the outer wall of the heat conducting plate 12, and the space inside the magnetic core 17 is filled with magnetic powder 9, so that the insulating pad 13 can prevent the heat conducting plate 12 from influencing the shielding shell 8.

In still another embodiment of the present utility model, as shown in fig. 4, a plurality of heat dissipation rods 14 are disposed on the outer wall of the top of the heat conducting plate 12, and through holes 15 are disposed on the outer wall of the top of the shielding shell 8, where the heat dissipation rods 14 can dissipate the heat transferred by the heat conducting plate 12 to the outside of the shielding shell 8.

In one embodiment of the present utility model, as shown in fig. 4, an insulating ring 16 is disposed on an inner wall of the through hole 15, and the heat dissipation rod 14 penetrates through the insulating ring 16, where the insulating ring 16 can prevent the heat dissipation rod 14 from affecting the shielding shell 8.

Working principle: when this inductance coil module and integrated into one piece inductance use, the pin 4 of inductance coil body 1 and electrode piece 3's connected mode is for through bending portion 5 joint after the inside of spread groove 6 again to inductance coil's pin 4 and electrode piece 3 spot welding, this mode can make pin 4 and electrode piece 3 be connected more firm, can prevent only spot welding connection easily make the problem of pin 4 and electrode piece 3 solder joint department separation when pressing magnetic powder 9, after pressing inductance coil body 1 into magnetic core 17, can separate electrode piece 3 and frame 2 through fracture 7, need not to reuse the cutting equipment to cut, the processing step has been reduced, the efficiency of processing has been improved, can produce the heat at inductance coil body 1 during operation, heat conduction post 10 is the copper post, heat conductivility is better, can give the heat conduction plate 12 with the heat conduction, heat conduction plate 12 gives the radiating rod 14, the outside of shield shell 8 is given out with the heat, the effect to inductance coil body 1 has been realized, insulating tube 11 and insulating pad 13 that set up, can prevent that heat conduction post 10 and plate 12 from causing the magnetic core to influence 17.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. The inductance coil module comprises a plurality of inductance coil bodies (1), frames (2) and electrode plates (3), and is characterized in that pins (4) are arranged at two ends of the inductance coil bodies (1), connecting grooves (6) are formed in the outer walls of the tops of the pins (4), bending parts (5) are arranged on the outer walls of two sides of the electrode plates (3), the bending parts (5) are clamped inside the connecting grooves (6), and fracture marks (7) are formed in the connecting positions of the electrode plates (3) and the frames (2).

2. Integrated into one piece inductance, including the inductance coil module of claim 1, still include magnetic core (17), its characterized in that, inductance coil body (1) set up on the inner wall of magnetic core (17) bottom, the outer wall of magnetic core (17) is provided with shield shell (8), be provided with heat-conducting plate (12) on the inner wall at shield shell (8) top.

3. The integrated inductor according to claim 2, wherein a heat conducting post (10) is provided on an outer wall of the bottom of the heat conducting plate (12), and an insulating tube (11) is provided on an outer wall of the heat conducting post (10).

4. An integrated inductor according to claim 3, characterized in that the outer wall of the heat conducting plate (12) is provided with an insulating pad (13) and the interspace inside the magnetic core (17) is filled with magnetic powder (9).

5. The integrated inductor according to claim 4, wherein a plurality of heat dissipation bars (14) are disposed on the outer wall of the top of the heat conduction plate (12), and through holes (15) are formed on the outer wall of the top of the shielding shell (8).

6. The integrated inductor according to claim 5, wherein an insulating ring (16) is provided on an inner wall of the through hole (15), and the heat dissipation rod (14) penetrates through the insulating ring (16).