CN216250347U

CN216250347U - Inductor, power module and LED display module

Info

Publication number: CN216250347U
Application number: CN202122979063.4U
Authority: CN
Inventors: 梁声合; 彭著涛; 刘二宝; 高艺传; 吴华雄
Original assignee: Shenzhen Hwawan Power Co ltd
Current assignee: Shenzhen Hwawan Power Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-08
Anticipated expiration: 2031-11-29

Abstract

The application relates to an inductor, a power supply module and an LED display module, which comprise a framework and a base, wherein the framework is arranged on the base and comprises a first side column and a second side column which are parallel to each other, and coils are sleeved on the first side column and the second side column; lead holes are formed in four corners of the base, lead wires are arranged in the lead holes, the lead wires are close to one ends of the frameworks and connected to wiring ends of the coils, and the lead wires are far away from one ends of the frameworks and used for being welded with a circuit board. The inductor has the effect that the overall structure of the inductor is thin.

Description

Inductor, power module and LED display module

Technical Field

The application relates to the technical field of electronic equipment, in particular to an inductor, a power supply module and an LED display module.

Background

With the development of science and technology, the LED display screen is developed in a light and thin direction, and accordingly, each component applied to the LED display screen is also adapted to the development requirement.

At present, an inductor with a multi-turn coil is arranged on a circuit board of an LED display screen, and the coil of the inductor needs to be in plug-in fit with a mounting seat of the circuit board through a lead fixed by a base. For example, the bobbin is fixed on the upper side of the base by using an adhesive, the leads perpendicular to the base are fixed at four corners of the lower side of the base, the coil wound on the bobbin is welded at the contact position of the leads and the lower side of the base, and the inductor is plugged on the mounting seat of the circuit board through the leads. Because the wiring end of the coil needs to bypass the base and be welded at the contact position of the lead wire and the lower side surface of the base, the lead wire of the inductor cannot be completely inserted into the mounting seat, and the base needs to be matched with the mounting seat on the circuit board. Due to the limited overall structure and the installation mode on the circuit board, the overall height of the existing inductor is still relatively high, and the use requirement of the ultra-thin type switching power supply is difficult to meet.

The above-mentioned related art has a drawback that the overall structure of the inductor is high.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the overall structure of the inductor is higher, the application provides an inductor, a power module and an LED display module.

In a first aspect, the present application provides an inductor, which adopts the following technical solutions:

an inductor comprises a framework and a base, wherein the framework is arranged on the base and comprises a first side column and a second side column which are parallel to each other, and coils are sleeved on the first side column and the second side column; lead holes are formed in four corners of the base, lead wires are arranged in the lead holes, the lead wires are close to one ends of the frameworks and connected to wiring ends of the coils, and the lead wires are far away from one ends of the frameworks and used for being welded with a circuit board.

Through adopting above-mentioned technical scheme, need walk around the base for lead wire among the correlation technique and be connected with the pin to the another side of base, this application lead wire setting is in the pin hole of base, and the both ends of lead wire are worn out from the both sides of base respectively, and the wiring end of coil is connected with the one end that the lead wire is close to the skeleton, makes the connection of the wiring end of coil be difficult for influencing the inductor and installs in the circuit board, and then has reduced the overall structure height of inductor.

Optionally, the base is provided with a groove for placing the coil.

Through adopting above-mentioned technical scheme, when the skeleton that has the coil around installs on the base, the coil is close to the protruding portion of base and can place in the recess, restricts the coil on the one hand and removes on the skeleton, and on the other hand has reduced the height of coil installation back on the base effectively to the overall structure height of inductor has been reduced.

Optionally, both sides limit that the base is relative all is provided with the perpendicular to the curb plate of base, the length direction of curb plate is on a parallel with the length direction of first side post, the through wires hole has been seted up to the curb plate, the through wires hole with the coaxial setting of lead wire hole, the lead wire can be followed wear out in the through wires hole.

By adopting the technical scheme, the arrangement of the side plates plays a role in protection on one hand, prevents other electronic components from contacting with the inductor, and enables the inductor not to easily influence other components when the inductor works; on the other hand, the threading hole is equivalent to the extension of the lead hole, and can provide protection for the lead.

Optionally, one side of each of the two side plates opposite to each other is provided with a limit groove matched with the axial length of the coil, and the coil can abut against the inner wall of the limit groove.

Through adopting above-mentioned technical scheme, the setting of spacing groove, when the skeleton of having the coil around installs on the base, the salient of coil can be placed in the spacing groove on the skeleton, and with the inner wall butt of spacing groove, the removal of the inner wall restriction coil of spacing groove on the one hand, and on the other hand spacing groove has reduced the area that the curb plate took the base, makes the base can reduce the area correspondingly, has reduced the area that the inductor took the circuit board.

Optionally, the base orientation one side of skeleton is provided with the insulating piece, the insulating piece is located two between the coil.

Through adopting above-mentioned technical scheme, two coils on the skeleton are difficult for mutual interference when setting up messenger operating condition of insulating piece.

Optionally, the skeleton still includes third limit post and fourth limit post parallel to each other, the third limit post with fourth limit post all is perpendicular to first limit post, the one end butt of insulating piece in third limit post, the other end butt of insulating piece in fourth limit post.

Through adopting above-mentioned technical scheme, when the installation skeleton, insert the insulating piece in the space between two coils of skeleton, the one end and the third edge post butt of insulating piece, the other end and the fourth edge post butt of insulating piece, the insulating piece has restricted the skeleton and has removed for the overall structure of inductor is more stable.

Optionally, two corners of the insulating sheet far away from the base are provided with arc surfaces.

Through adopting above-mentioned technical scheme, when installation skeleton on the base, the arc surface of insulating piece earlier with the skeleton contact, the arc surface makes the skeleton insert the insulating piece more easily in.

Optionally, the coil is a flat coil.

By adopting the technical scheme, on one hand, the flat coil enables the coil and the lead wire to be more conveniently welded; on the other hand, the effective sectional area of the coil wire is increased, and the limited coil surrounding space of the framework is fully utilized.

In a second aspect, the present application provides a power module, which adopts the following technical solution:

a power supply module comprising an inductor as described above.

By adopting the technical scheme, the power module can be made thinner.

In a third aspect, the present application provides an LED display module, which adopts the following technical solution:

an LED display module comprises the inductor.

By adopting the technical scheme, the manufactured LED display screen is thinner.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the lead is arranged in the lead hole of the base, two ends of the lead respectively penetrate out of two sides of the base, and the wiring end of the coil is connected with one end, close to the framework, of the lead, so that the connection of the wiring end of the coil is not easy to influence the installation of the inductor on a circuit board, and the overall structure height of the inductor is further reduced;

2. the arrangement of the side plates has a protection effect on one hand, prevents other electronic components from contacting the inductor, and enables the inductor not to easily influence other components when the inductor works; on the other hand, the threading hole is equivalent to the extension of the lead hole, and can provide protection for the lead.

Drawings

Fig. 1 is an overall configuration diagram of embodiment 1 of the present application.

Fig. 2 is an exploded view of the entire structure of embodiment 1 of the present application.

Fig. 3 is an overall configuration diagram of embodiment 2 of the present application.

FIG. 4 is an exploded view of the entire structure of example 2 of the present application

Description of reference numerals: 1. a framework; 11. a first side column; 12. a second side column; 13. a third side column; 14. a fourth side column; 2. a coil; 3. a base; 31. a wire hole; 32. a groove; 33. an insulating sheet; 331. a circular arc surface; 4. a side plate; 41. threading holes; 42. a limiting groove; 5. and (7) leading wires.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an inductor.

Example 1

Referring to fig. 1, an inductor includes a bobbin 1, a coil 2 and a base 3, the bobbin 1 is disposed on the base 3, the bobbin 1 includes a first side pillar 11 and a second side pillar 12 that are parallel to each other, and the coil 2 is wound around the first side pillar 11 and the second side pillar 12, respectively; lead wire hole 31 has been seted up at the four corners of base 3, is provided with lead wire 5 in the lead wire hole 31, and lead wire 5 is close to the one end of skeleton 1 and is connected with the wiring end of coil 2, and lead wire 5 keeps away from the one end of skeleton 1 and is connected with the circuit board.

Specifically, in the embodiment of the present application, the inductor is placed on a horizontal plane, the framework 1 is in a ring shape, the framework 1 further includes a third side column 13 and a fourth side column 14 that are parallel to each other, and the framework 1 is enclosed and integrated by the first side column 11, the second side column 12, the third side column 13 and the fourth side column 14. Lead hole 31 has all been seted up in the four corners of base 3, and lead hole 31 on the base 3 is close to the wiring end setting of coil 2, and lead hole 31 perpendicular to base 3, and lead hole 31 is worn out to the one end of lead wire 5 and is arranged in the side of going up of base 3, and lead hole 31 is worn out to the other end of lead wire 5 and is arranged in the downside of base 3. When the device is installed, after the framework 1 sleeved with the coil 2 is fixed on the base 3, only the wiring end of the coil 2 is required to be welded with the lead 5 close to the wiring end. On one hand, the welding of the terminal of the coil 2 of the inductor is facilitated; on the other hand, compared with the related art, the wiring end of the coil 2 does not need to be wound on the lower side surface of the base 3 to be connected with the lead 5, so that the connection of the wiring end of the coil is not easy to influence the installation of the inductor on a circuit board, the base 3 of the inductor can be attached to the circuit board after the inductor and the circuit board are installed, and the integral structure of the inductor is thinned.

Referring to fig. 2, a groove 32 is formed in the base 3 at a position corresponding to the coil 2, and when the bobbin 1 wound with the coil 2 is mounted on the base 3, the protruding portion of the coil 2 close to the base 3 can be placed in the groove 32, so that the coil 2 is limited to move on the bobbin 1, and the height of the coil 2 mounted on the base 3 is effectively reduced, thereby reducing the overall height of the inductor. Correspondingly, the coil 2 is wound on the framework 1 to the maximum extent, the terminal of the coil 2 is welded with the lead 5, the groove 32 limits the movement of the coil 2 and indirectly limits the movement of the framework 1 relative to the coil 2, so that the framework 1 and the base 3 are fixed without using an adhesive, a good fixing effect can be achieved, and the installation process is simplified.

The coil 2 wound on the bobbin 1 is a flat coil 2. The flat coil 2 is wound, so that turns are tightly and flatly arranged, the effective sectional area of the wire is increased, the limited assembly space of the framework 1 is fully utilized, the lowest direct current impedance is realized under the condition of the same volume, the copper loss of the product is effectively reduced, and the temperature rise current of the product is increased.

In order to prevent the coils 2 from interfering with each other during operation, an insulating sheet 33 perpendicular to the base 3 is integrally disposed on the base 3, and the insulating sheet 33 is disposed between the two coils 2.

Both ends of the insulating sheet 33 are respectively abutted against the third side column 13 and the fourth side column 14 of the frame 1. When installing skeleton 1, directly insert insulating piece 33 in the space between two coils 2 of skeleton 1, insulating piece 33 and skeleton 1 butt to restricted skeleton 1 and removed, made the overall structure of inductor more stable.

Two corners of the insulation sheet 33 away from the base are provided with circular arc surfaces 331. When installing skeleton 1 on base 3, the arc surface 331 of insulating piece 33 contacts with third side post 13 and fourth side post 14 of skeleton 1 earlier, and arc surface 331 makes skeleton 1 insert in insulating piece 33 more easily for skeleton 1 installation provides convenience.

The implementation principle of the embodiment 1 is as follows: the lead hole 31 on the base 3 is arranged close to the wiring end of the coil 2, the lead hole 31 is perpendicular to the base 3, one end of the lead 5 penetrates through the lead hole 31 and is arranged on the upper side face of the base 3, the other end of the lead 5 penetrates through the lead hole 31 and is arranged on the lower side face of the base 3, and the welding end is prevented from influencing the installation of the inductor, so that the overall structure height of the inductor is reduced; the groove 32 formed in the base 3 and used for placing the protruding part of the coil 2 reduces the height of the coil 2 after being installed on the base 3, thereby effectively reducing the height of the whole structure of the inductor.

Example 2

Referring to fig. 1 and 3, the present embodiment is different from embodiment 1 in that: the base 3 is close to the relative both sides limit of first side post 11 and second side post 12 and all is equipped with the curb plate 4 of perpendicular to base 3, and the length direction of curb plate 4 is on a parallel with the length direction of first side post 11, and through wires hole 41 has been seted up to curb plate 4, and through wires hole 41 and the coaxial setting of pin hole 31 for lead wire 5 can wear out the last side of base 3 from through wires hole 41.

Specifically, in the embodiment of the present application, the side plates 4 are integrally disposed on both sides of the base 3 in parallel to the first side posts 11, so that the structure of the inductor is more firm. Skeleton 1 sets up between two blocks of curb plates 4, and the lead wire hole 31 of perpendicular to base 3 is seted up to the side that curb plate 4 deviates from base 3, and the through wires hole 41 of curb plate 4 sets up with the lead wire hole 31 of base 3 is coaxial, is fixed with lead wire 5 in the lead wire hole 31, and the one end of lead wire 5 is worn out from through wires hole 41, and the other end of lead wire 5 is worn out from lead wire hole 31, and the wiring end of coil 2 is connected with lead wire 5 of wearing out from through wires hole 41. When the coil 2 is installed, after the framework 1 wound with the coil 2 is fixed on the base 3, the wiring end of the coil 2 is only required to be welded with the lead 5 close to the wiring end. The arrangement facilitates the welding of the terminal of the coil 2 of the inductor; compared with the related art, the terminal of the coil 2 does not need to be wound on the lower side surface of the base 3 to be connected with the lead 5, so that the base 3 of the inductor can be attached to the circuit board after the inductor is installed on the circuit board, and the whole structure of the inductor is thinned; on the other hand curb plate 4 plays the guard action, has blockked other electronic components and parts and inductor contact, at the inductor during operation for other components and parts are difficult for influencing to the inductor, and threading hole 41 is equivalent to the extension of pin hole 31, can provide the protection for lead wire 5.

Referring to fig. 4, the inner side surfaces of the two side plates 4 are provided with a limit groove 42 matching with the axial length of the coil 2. Spacing groove 42 also opens towards the side of going up of curb plate 4, when the skeleton 1 that has coil 2 around installs on base 3, the protruding portion of coil 2 can be placed in spacing groove 42 on skeleton 1, and with the inner wall butt of spacing groove 42, the inner wall restriction coil 2 of spacing groove moves on skeleton 1, the spacing groove has reduced the area that the curb plate took the base, correspondingly makes the base can reduce the area, has reduced the area that the inductor took the circuit board.

The implementation principle of the embodiment 2 is as follows: two opposite side edges of the base 3 are provided with side plates 4 vertical to the base 3, the length direction of the side plates 4 is parallel to the length direction of the first side column 11, and the framework 1 wound with the coil 2 is fixed between the two side plates 4; threading hole 41 has all been seted up at the both ends of curb plate 4, and threading hole 41 sets up with the pin hole 31 of base 3 is coaxial, and lead wire 5 wears to establish in pin hole 31 and threading hole 41. The side plates 4 play a role in protection, so that the inductor is not easy to influence other electronic components; the threading hole 41 corresponds to an extension of the lead hole 31, and can protect the lead 5. The wiring end of the coil 2 is connected with the lead 5 on the upper side surface of the side plate 4, so that the wiring end of the coil 2 and the lead 5 are away from the base 3 for welding, the welding end is prevented from influencing the installation of the inductor, and the overall structure height of the inductor is reduced; the groove 32 formed in the base 3 and used for placing the protruding part of the coil 2 reduces the height of the coil 2 after being installed on the base 3, thereby effectively reducing the height of the whole structure of the inductor.

The embodiment of the application also discloses a power supply module.

Compared with the prior art, the circuit board comprises the circuit board and the inductor of the embodiment, the lead 5 on the lower side surface of the inductor is directly welded on the circuit board, and a mounting seat matched with the base 3 in a plugging mode is not required to be arranged on the circuit board, so that the whole thickness of the circuit board is reduced.

The implementation principle of a circuit board in the embodiment of the application is as follows: and the inductor with the thinner integral structure is welded on the circuit board, so that the integral thickness of the circuit board is reduced.

The embodiment of the application also discloses an LED display module.

The LED display module comprises the power supply module of the embodiment, and the thickness of the LED display module is reduced by adopting the thinner power supply module.

The implementation principle of the LED display module is as follows: by adopting the circuit board with the thinner integral structure, the LED display module is thinner.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An inductor, characterized by: the coil fixing device comprises a framework (1) and a base (3), wherein the framework (1) is arranged on the base (3), the framework (1) comprises a first side column (11) and a second side column (12) which are parallel to each other, and the first side column (11) and the second side column (12) are both sleeved with coils (2); lead wire hole (31) have been seted up in the four corners of base (3), be provided with lead wire (5) in lead wire hole (31), lead wire (5) are close to the one end of skeleton (1) connect in the wiring end of coil (2), lead wire (5) are kept away from the one end of skeleton (1) is used for welding with the circuit board.

2. An inductor according to claim 1, characterized in that: the base (3) is provided with a groove (32) for placing the coil (2).

3. An inductor according to claim 1, characterized in that: base (3) relative both sides limit all is provided with the perpendicular to curb plate (4) of base (3), the length direction of curb plate (4) is on a parallel with the length direction of first side post (11), through wires hole (41) have been seted up in curb plate (4), through wires hole (41) with lead wire hole (31) coaxial setting, lead wire (5) can be followed wear out in through wires hole (41).

4. An inductor according to claim 3, characterized in that: two the relative one side of curb plate (4) all seted up with coil (2) axial length matches's spacing groove (42), coil (2) can the butt in the inner wall of spacing groove (42).

5. An inductor according to claim 1, characterized in that: base (3) orientation one side of skeleton (1) is provided with insulating piece (33), insulating piece (33) are located two between coil (2).

6. An inductor according to claim 5, characterized in that: skeleton (1) is still including third side post (13) and fourth side post (14) that are parallel to each other, third side post (13) with fourth side post (14) all is perpendicular to first side post (11), the one end butt of insulating piece (33) in third side post (13), the other end butt of insulating piece (33) in fourth side post (14).

7. An inductor according to claim 5, characterized in that: two corners of the insulating sheet (33) far away from the base (3) are provided with arc surfaces (331).

8. An inductor according to claim 1, said coil (2) being a flat coil (2).

9. A power module, characterized by: an inductor as claimed in any one of claims 1 to 8.

10. The utility model provides a LED display module assembly which characterized in that: an inductor comprising any one of claims 1 to 8.