CN218831113U

CN218831113U - Power module with built-in LC filter

Info

Publication number: CN218831113U
Application number: CN202222887545.1U
Authority: CN
Inventors: 邱海军; 邱星语; 余鹏; 邱世瑛; 陈宁; 王国增
Original assignee: Kunming Xinlei Electronic Technology Co ltd
Current assignee: Kunming Xinlei Electronic Technology Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-07
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a power module of built-in LC filter relates to wave filter technical field, this power module of built-in LC filter, including the wave filter shell, the louvre has been seted up on the surface of wave filter shell, the inner wall fixedly connected with frame plate of wave filter shell, the fixed surface of frame plate is connected with the base plate, the fixed surface of base plate is connected with the skeleton that the cross-section is recessed, the inside of skeleton is provided with the winding, the fixed surface of base plate is connected with the mounting panel, the surface of mounting panel is provided with heat dissipation mechanism, and through heat dissipation mechanism's setting, when making the inside temperature of wave filter higher, can drive two flabellums automatically and blow the upper and lower both sides of base plate to reach and carry out radiating purpose to power module, and then avoided power module heat dissipation difficulty as far as possible, lead to the unable normal condition of working of circuit, thereby guaranteed the normal work of wave filter.

Description

Power module with built-in LC filter

Technical Field

The utility model relates to a wave filter technical field, in particular to power module of built-in LC wave filter.

Background

The LC filter is also called a passive filter, and the LC filter is called a passive filter because the power supply needed by the LC filter is supplied by the internal power supply module without additional power supply, and because the LC filter does not need additional power supply, the LC filter is mainly installed in mechanical equipment to reduce the arrangement of internal circuits of the mechanical equipment.

However, when the existing LC filter is used, because power module usually comprises a framework, a winding and a magnetic core, namely, a circle of copper wire is wound on the magnetic core, the magnetic core is comprehensively covered, and then the LC filter is installed on the framework and is used for being connected with a substrate, however, because the LC filter continuously works, the LC filter is required to be supplied with power to the filter all the time, so that the power module supplies power for a long time, the heat generated by the power module is serious, the arrangement of elements on the substrate in the filter is also relatively dense, the heat generated by the power module is difficult to dissipate, the normal work of a circuit in the power module is caused, and the work of the filter is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an solve one of the technical problem that exists among the prior art at least, provide the power module of built-in LC wave filter, the heat that can solve power module is difficult to disperse, influences the problem that the wave filter used.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a power module of built-in LC wave filter, includes the wave filter shell, the inner wall fixedly connected with frame plate of wave filter shell, the fixed surface of frame plate is connected with the base plate, the fixed surface of base plate is connected with the skeleton that the cross-section is the concavity, the inside of skeleton is provided with the winding, the fixed surface of base plate is connected with the mounting panel, the surface of mounting panel is provided with heat dissipation mechanism.

Preferably, the heat mechanism includes the motor, the fixed surface of motor and mounting panel is connected, the output fixedly connected with rolling disc of motor, the inner wall sliding connection of wave filter shell has two slurcaps that the cross-section is L shape, two the slurcap is located the upper and lower both sides of rolling disc respectively, two the curved promotion groove that is has all been seted up on the surface of slurcap, two the fixed surface of slurcap is connected with the sliding frame, the fixed surface of rolling disc is connected with the slide bar, the surface of slide bar and the inner wall sliding connection of sliding frame.

Preferably, the inner wall of the filter shell is fixedly connected with two sliding rods, and the surfaces of the two sliding rods are respectively connected with the inner parts of the two pushing plates in a sliding manner.

Preferably, the inner wall of filter shell fixedly connected with two slide rails, two the equal sliding connection of inner wall of slide rail has the pinion rack, two the equal fixedly connected with push-pull rod in surface of pinion rack, two the surface of push-pull rod respectively with the inner wall sliding connection of two thrust grooves, the upper and lower both sides of the inner wall of filter shell all rotate and are connected with the pivot, two the equal fixedly connected with gear of one end that the filter shell was kept away from in the pivot, two the surface of pinion rack is connected with the surface meshing of two gears respectively.

Preferably, the inner wall of the sliding rail is convex, and the shape of the toothed plate is matched with that of the inner wall of the sliding rail.

Preferably, two the equal fixedly connected with flabellum of one end that the wave filter shell was kept away from to the pivot.

Preferably, the surface of the filter shell is provided with heat dissipation holes.

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

(1) This power module of built-in LC wave filter, through the setting of heat dissipation mechanism, when making the inside temperature of filter higher, can drive two flabellums automatically and blow the upper and lower both sides of base plate to reach and carry out radiating purpose to power module, and then avoided power module heat dissipation difficulty as far as possible, lead to the unable normal condition of working of circuit, thereby guaranteed the normal work of wave filter.

(2) This power module of built-in LC wave filter, the setting of skeleton concavity makes the air circulate in power module's below to can reach and carry out radiating purpose to the inside winding of skeleton, thereby guarantee the comprehensive heat dissipation to power module, and then avoid burning out of power module as far as possible, thereby guarantee the normal use of wave filter.

(3) This power module of built-in LC wave filter through the setting of frame plate for erect the inside at the wave filter shell with the base plate, thereby guaranteed that both sides homoenergetic ventilates about the base plate, thereby improved the inside radiating efficiency of wave filter.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of a power module with an LC filter built therein according to the present invention;

fig. 2 is a schematic diagram of the internal structure of the filter housing of the present invention;

FIG. 3 is an enlarged schematic view of the present invention at A in FIG. 2;

fig. 4 is the internal structure diagram of the filter housing of the present invention.

Reference numerals are as follows: 1. a filter housing; 2. heat dissipation holes; 3. a winding; 4. a framework; 5. a substrate; 6. mounting a plate; 7. a motor; 8. rotating the disc; 9. a push plate; 10. a push-pull rod; 11. a toothed plate; 12. a slide rail; 13. a slide bar; 14. a frame plate; 15. a slide bar; 16. a push groove; 17. a rotating shaft; 18. a gear; 19. a fan blade; 20. and a sliding frame.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.

In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the number, and the terms above, below, inside, etc. are understood to include the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a power module of built-in LC wave filter, includes wave filter housing 1, louvre 2 has been seted up on wave filter housing 1's surface to through louvre 2's setting, the heat that makes 1 internal component during operation of wave filter housing produce can be gived off to the external world, thereby has avoided the condition that the internal component of wave filter is burnt out as far as possible, thereby has improved the life of wave filter.

Inner wall fixedly connected with frame plate 14 of wave filter housing 1, the fixed surface of frame plate 14 is connected with base plate 5 to through the setting of frame plate 14, be used for erectting base plate 5 in the inside of wave filter housing 1, thereby guaranteed about base plate 5 both sides homoenergetic and ventilated, thereby improved the inside radiating efficiency of wave filter.

The fixed surface of base plate 5 is connected with skeleton 4 that the cross-section is the concavity, the inside of skeleton 4 is provided with winding 3, skeleton 4 and winding 3 constitute power module and supply power for the start-up of wave filter, the setting of 4 concavities of skeleton simultaneously, make the air circulate in power module's below, thereby can reach and carry out radiating purpose to the winding 3 of skeleton 4 inside, thereby guaranteed the comprehensive heat dissipation to power module, and then avoided burning out of power module as far as possible, thereby guaranteed the normal use of wave filter.

The fixed surface of base plate 5 is connected with mounting panel 6, the surface of mounting panel 6 is provided with heat dissipation mechanism, heat dissipation mechanism includes motor 7, the surface of motor 7 is connected with the fixed surface of mounting panel 6, the output fixedly connected with rolling disc 8 of motor 7, the inner wall sliding connection of filter shell 1 has two slurcams 9 that the cross-section is L shape, two slurcams 9 are located the upper and lower both sides of rolling disc 8 respectively, the cross-section of two slurcams 9 is the setting of L shape, unnecessary material waste has been reduced, the manufacturing cost of filter has been reduced, two slide bars 13 of inner wall fixedly connected with of filter shell 1, the surface of two slide bars 13 respectively with the inside sliding connection of two slurcams 9, thereby through the setting of two slide bars 13, when supporting two slurcams 9, guide the motion orbit of two slurcams 9, thereby avoid two slurcams 9 to move and take place the skew, and then guaranteed the smooth operation of device.

Arc-shaped pushing grooves 16 are formed in the surfaces of the two pushing plates 9, sliding frames 20 are fixedly connected to the surfaces of the two pushing plates 9, sliding rods 15 are fixedly connected to the surfaces of the rotating discs 8, and the surfaces of the sliding rods 15 are connected with the inner walls of the sliding frames 20 in a sliding mode.

Two inner walls of the inner wall fixedly connected with of the filter housing 1 are both convex sliding rails 12, the inner walls of the two sliding rails 12 are both slidably connected with toothed plates 11, the shapes of the two toothed plates 11 are identical to the inner walls of the two sliding rails 12, so that the inner walls are concave through the toothed plates 11 and the sliding rails 12, the movement of the toothed plates 11 is limited, the deviation of the toothed plates 11 is avoided, and the smooth operation of the device is guaranteed.

The equal fixedly connected with push-and-pull rod 10 in surface of two pinion racks 11, the surface of two push-and-pull rod 10 respectively with the inner wall sliding connection of two promotion grooves 16, the upper and lower both sides of the inner wall of wave filter shell 1 all rotate and are connected with pivot 17, the equal fixedly connected with gear 18 of one end that wave filter shell 1 was kept away from to two pivot 17, the surface of two pinion racks 11 is connected with the surface meshing of two gear 18 respectively, the equal fixedly connected with flabellum 19 of one end that wave filter shell 1 was kept away from to two pivot 17.

Further, the inner wall of the filter housing 1 is fixedly connected with a temperature sensor, the temperature sensor is electrically connected with the motor 7, when the internal temperature of the filter reaches a certain temperature, the motor 7 can be automatically started to rotate, the motor 7 drives the rotating disc 8 to rotate, the position of the sliding rod 15 is changed, the sliding rod 15 slides up and down in the sliding frame 20 while pulling the sliding frame 20 to reciprocate in the filter housing 1, thereby driving the two push plates 9 to reciprocate mechanically, further driving the two push rods 10 to slide back and forth in the two push grooves 16 respectively, since the push grooves 16 are arc-shaped, further the push grooves 16 push and extrude the push rods 10, thereby driving the two toothed plates 11 to reciprocate in the two sliding rails 12 respectively through the two push rods 10, further driving the two gears 18 to reciprocate through meshing connection, thereby driving the two rotating shafts 17 to reciprocate, thereby driving the blades 19 to rotate, further blowing the surface of the substrate 5, thereby setting of the heat dissipation mechanism is realized, when the internal temperature of the filter is high, the filter can drive the two rotating shafts 17 to reciprocate, thereby ensuring that the normal operation of the power supply module 19 can not be performed on both sides of the filter, thereby avoiding the normal heat dissipation module.

The working principle is as follows: the motor 7 rotates, so that the motor 7 drives the rotating disc 8 to rotate, and the position of the sliding rod 15 changes, so that the sliding rod 15 slides up and down in the sliding frame 20 while pulling the sliding frame 20 to reciprocate inside the filter housing 1, so as to drive the two pushing plates 9 to reciprocate mechanically, and further to make the two pushing rods 10 slide back and forth in the two pushing grooves 16, so as to drive the two toothed plates 11 to reciprocate in the two sliding rails 12 through the two pushing rods 10, and further to drive the two gears 18 to reciprocate through meshing connection, so as to drive the two rotating shafts 17 to reciprocate, so as to drive the fan blades 19 to rotate, and further to blow the surface of the substrate 5.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A power supply module with a built-in LC filter, comprising a filter housing (1), characterized in that: the filter comprises a filter housing (1), wherein the inner wall of the filter housing is fixedly connected with a frame plate (14), the surface of the frame plate (14) is fixedly connected with a substrate (5), the surface of the substrate (5) is fixedly connected with a framework (4) with a concave cross section, a winding (3) is arranged inside the framework (4), the surface of the substrate (5) is fixedly connected with a mounting plate (6), and the surface of the mounting plate (6) is provided with a heat dissipation mechanism.

2. The power supply module with an LC filter built in according to claim 1, wherein: the heat mechanism includes motor (7), the fixed surface of the surface of motor (7) and mounting panel (6) is connected, the output fixedly connected with rolling disc (8) of motor (7), the inner wall sliding connection of wave filter shell (1) has slurcam (9) that two cross-sections are L shape, two slurcam (9) are located the upper and lower both sides of rolling disc (8) respectively, two the surface of slurcam (9) has all been seted up and has been curved promotion groove (16), two the fixed surface of slurcam (9) is connected with sliding frame (20), the fixed surface of rolling disc (8) is connected with slide bar (15), the surface of slide bar (15) and the inner wall sliding connection of sliding frame (20).

3. The power supply module with built-in LC filter of claim 2, wherein: the filter comprises a filter shell (1), wherein the inner wall of the filter shell (1) is fixedly connected with two sliding rods (13), and the surfaces of the two sliding rods (13) are respectively in sliding connection with the interiors of two pushing plates (9).

4. The power supply module with built-in LC filter of claim 2, wherein: two slide rails (12) of inner wall fixedly connected with of wave filter shell (1), two the equal sliding connection of inner wall of slide rail (12) has pinion rack (11), two the equal fixedly connected with push-and-pull rod in surface (10) of pinion rack (11), two the surface of push-and-pull rod (10) respectively with the inner wall sliding connection of two thrust slots (16), the upper and lower both sides of the inner wall of wave filter shell (1) all rotate and are connected with pivot (17), two the equal fixedly connected with gear (18) of one end that wave filter shell (1) was kept away from in pivot (17), two the surface of pinion rack (11) is connected with the surface toothing of two gears (18) respectively.

5. The power supply module with built-in LC filter of claim 4, wherein: the inner wall of the sliding rail (12) is convex, and the shape of the toothed plate (11) is matched with the inner wall of the sliding rail (12).

6. The power supply module with built-in LC filter of claim 4, wherein: two equal fixedly connected with flabellum (19) of one end that wave filter shell (1) was kept away from in pivot (17).

7. The power supply module with an LC filter built in according to claim 1, wherein: the surface of the filter shell (1) is provided with heat dissipation holes (2).