CN111415796A

CN111415796A - Filter

Info

Publication number: CN111415796A
Application number: CN202010266900.6A
Authority: CN
Inventors: 王锦洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-07-14

Abstract

The invention discloses a filter, which structurally comprises an equipment main body, a sleeve, a magnetic core and a magnetic suppression device. Has the advantages that: the invention utilizes the main radiating component arranged in the over-suppression structure to passively and timely radiate the magnetic cores when the magnetic cores generate higher heat and can not be autonomously radiated, so as to avoid the phenomenon that the gaps between the magnetic cores are compactly arranged, so that the heat is easy to flow back and forth between the gaps and is difficult to be dissipated, and further thermomagnetic transfer is generated.

Description

Filter

Technical Field

The invention relates to the field of chip inductors, in particular to a filter.

Background

In the field of electronics, filters are often used to filter waves in order to ensure that the equipment is not disturbed by signals during normal operation.

However, the filter has a high frequency of use, and the filter has a small volume when in use, and under the long-term use, the surface heat of the existing coil is high, and the coils are compactly mounted with each other, so that the self-dissipation performance of the heat is poor under a small gap, and the heat is not volatilized around the coils, so that the mutual magnetic transfer is easily caused, and the coils are excessively magnetically saturated.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a filter to solve the defects that in the prior art, because the filter has high use frequency, and because the volume of the filter is small when the filter is used, the surface heat of the existing coil is high easily under the long-term use effect, and the coils are compactly arranged, the self-dissipation performance of the heat is poor under a small gap, and the magnetic transfer between the coils is easily caused if the heat is not volatilized around the coils, so that the coils are excessively magnetically saturated.

In order to achieve the purpose, the invention is realized by the following technical scheme:

the utility model provides a filter, its structure includes equipment principal, sleeve pipe, magnetic core, magnetic suppression device, the sleeve pipe is three a set of installing respectively in the equipment principal left and right sides, the sleeve pipe is connected through the electric welding with equipment principal, the magnetic core is located equipment principal inside and is connected through the lock, the magnetic suppression device is located the magnetic core front and back end and is connected through the lock, the magnetic suppression device includes the lock board, is restrained structure, expanding mechanism, it locates the lock board surface and is connected through the electric welding to restrain the structure, expanding mechanism locates and restrains structural upper surface and is connected through the lock.

As a further scheme of the invention, the crossing restraining structure comprises an isolation ring, buckling strips, heat sensing bags, airflow cavities, torsion spring rods and main radiating assemblies, wherein the heat sensing bags are arranged on the lower surface of the isolation ring and connected through the buckling strips, the airflow cavities are provided with two torsion spring rods which are symmetrically arranged on the left side and the right side of the heat sensing bags respectively and are connected through penetration, the torsion spring rods are provided with two torsion spring rods which are arranged in the airflow cavities respectively and are connected with the coil expanding mechanism through electric welding, the main radiating assemblies are provided with two torsion spring rods which are symmetrically arranged on the outer sides of the airflow cavities respectively, and the main radiating assemblies are connected with the airflow cavities through penetration.

According to a further scheme of the invention, the heat sensing bag is hollow and is provided with a metal sheet in an attaching mode, so that the heat conducting effect on heat is realized.

As a further scheme of the present invention, the main radiating assembly includes a connecting plate, a connector, an arc plate, a heat absorbing strip, and a cotton sliver, wherein the connector is disposed on the right side of the connecting plate and connected to the ring expanding mechanism, the arc plate is disposed on the lower surface of the connecting plate and connected thereto by electric welding, the heat absorbing strip is provided with a plurality of strips which are respectively mounted on the inner side walls of the arc plate in uniform and equidistant manner, and the cotton sliver is provided with a plurality of strips which are respectively mounted on the outer side surfaces of the arc plate and connected thereto by fitting, which is beneficial to achieving the effect of avoiding the magnetic core surface and surrounding area from having high heat and failing to perform autonomous.

As a further scheme of the invention, the surface of the arc plate is provided with a plurality of single air outlet holes and is of an integrated structure, so that the passive heat dissipation effect on the internal magnetic core during operation is favorably realized.

According to a further scheme of the invention, the ring expanding mechanism comprises two limiting rings, two sheaths, two limiting spring rods, two movable buckles and a following expanding assembly, the two sheaths are respectively arranged on the left side and the right side of the limiting rings, the two limiting spring rods are respectively vertically connected with the inner side wall of the sheaths, the lower ends of the movable buckles are connected with the torsion spring rods and the tail ends of the limiting spring rods, and the left side and the right side of the following expanding assembly are connected with the movable buckles through electric welding, so that the internal coils are compactly mounted, and magnetic transfer is prevented.

As a further scheme of the invention, the expansion following component comprises four expansion plates, telescopic joints and edge ring sections, wherein the four expansion plates are respectively connected through the telescopic joints, and the four edge ring sections are respectively arranged on the outer surfaces of the expansion plates and are respectively connected through electric welding, so that the magnetic saturation phenomenon of the filter can be avoided.

According to a further scheme of the invention, the ring-extending section comprises a torsion bar, a fixed plate, an adjusting plate and a pull wire, wherein the fixed plate is arranged on the upper surface of the arc-extending plate, the tail end of the fixed plate is connected with the torsion bar in a buckling manner, the upper end of the adjusting plate is connected with the torsion bar in a buckling manner, the pull wire is provided with a plurality of pull wires which are respectively arranged on the inner side wall of the adjusting plate in a uniform and equidistant manner and are connected with the outer surface of the magnetic core, and the ring-extending effect on the coil is favorably realized, so that the air.

Advantageous effects of the invention

Compared with the traditional filter, the filter has the following beneficial effects:

the passive instant heat dissipation device utilizes the main heat dissipation assembly arranged in the suppression structure to passively dissipate heat of the magnetic cores in time when the magnetic cores generate high heat and cannot dissipate heat autonomously, so that the phenomenon that the gaps between the magnetic cores are compactly arranged is small, heat easily flows back and forth between the gaps, and is difficult to dissipate, and then thermomagnetic transfer is generated is avoided.

The invention utilizes the ring expanding mechanism to facilitate the realization of the ring expanding effect on the coils under the matching effect of the expanding components, thereby enlarging the air gap between the coils and avoiding the phenomenon of excessive magnetic saturation.

Drawings

Other features, objects and advantages of the invention will become more apparent from a reading of the detailed description of non-limiting embodiments with reference to the attached drawings.

In the drawings:

fig. 1 is a schematic structural diagram of a filter according to the present invention.

Fig. 2 is a schematic bottom view of the magnetic suppression device of the present invention.

Fig. 3 is a schematic bottom view of the structure of the present invention.

Fig. 4 is a front view of the main dispersion element of the present invention.

Fig. 5 is a schematic bottom view of the ring expanding mechanism of the present invention.

FIG. 6 is a schematic structural diagram of a servo assembly of the present invention.

Fig. 7 is a schematic front view of the structure along the circle segment of the present invention.

In the figure: the device comprises a device body-1, a sleeve-2, a magnetic core-3, a magnetic suppression device-4, a buckling plate-4 a, a suppression structure-4 b, an expanding mechanism-4 c, an isolation ring-4 b1, a buckle strip-4 b2, a heat sensing bag-4 b3, an air flow cavity-4 b4, a torsion spring rod-4 b5, a main radiating component-4 b6, a connecting plate-4 b61 and a connecting port-4 b62, an arc plate-4 b63, a heat absorption strip-4 b64, a cotton sliver-4 b65, a limit ring-4 c1, a sheath-4 c2, a limit spring rod-4 c3, a movable buckle-4 c4, a follow-expansion component-4 c5, an arc expansion plate-4 c51, a telescopic knot-4 c52, a rim-4 c53, a torsion bar-g 1, a fixing plate-g 2, an adjusting plate-g 3 and a pull wire-g 4.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

The first embodiment:

as shown in fig. 1 to 4, the present invention provides a technical solution of a filter:

as shown in fig. 1-2, a filter, its structure includes equipment main part 1, sleeve pipe 2, magnetic core 3, magnetic suppression device 4, sleeve pipe 2 is three a set of installing respectively in the 1 left and right sides of equipment main part, sleeve pipe 2 is connected through the electric welding with equipment main part 1, magnetic core 3 is located inside of equipment main part 1 and is connected through the lock, magnetic suppression device 4 is located the magnetic core 3 front and back end and is connected through the lock, magnetic suppression device 4 includes buckling plate 4a, inhibits structure 4b, expands circle mechanism 4c, it locates buckling plate 4a surface and is connected through the electric welding to inhibit structure 4b, expand circle mechanism 4c locates and inhibits structure 4b upper surface and is connected through the lock.

As shown in fig. 3, the cross-over restraining structure 4b includes an isolation ring 4b1, a buckle 4b2, a heat sensing bag 4b3, an airflow chamber 4b4, torsion spring rods 4b5, and main radiating members 4b6, wherein the heat sensing bag 4b3 is disposed on the lower surface of the isolation ring 4b1 and connected to the heat sensing bag 4b2 through the buckle 4b2, two air flow chambers 4b4 are disposed and symmetrically mounted on the left and right sides of the heat sensing bag 4b3 and connected to the heat sensing bag through the buckle, two torsion spring rods 4b5 are disposed and symmetrically disposed inside the airflow chamber 4b4 and connected to the coil expanding mechanism 4c through electric welding, two main radiating members 4b6 are disposed and symmetrically mounted outside the airflow chamber 4b4, and the main radiating members 4b6 are connected to the airflow chamber 4b4 through the buckle.

As shown in fig. 3, the heat sensing unit 4b3 is hollow and attached with a metal sheet, which is beneficial to heat conduction.

As shown in fig. 4, the main radiating component 4b6 includes a connecting plate 4b61, a connecting port 4b62, an arc plate 4b63, a heat absorbing strip 4b64, and a cotton sliver 4b65, the connecting port 4b62 is disposed on the right side of the connecting plate 4b61 and connected to the ring expanding mechanism 4c, the arc plate 4b63 is disposed on the lower surface of the connecting plate 4b61 and connected by electric welding, the heat absorbing strip 4b64 is provided with a plurality of strips and respectively mounted on the inner side walls of the arc plate 4b63 in a uniform and equidistant manner, the cotton sliver 4b65 is provided with a plurality of strips and respectively mounted on the outer side surfaces of the arc plate 4b63 and connected by fitting, which is beneficial to preventing the magnetic core 3 surface and the surroundings from having a higher heat and unable to do a self-cooling effect.

As shown in fig. 4, the surface of the arc plate 4b63 is provided with a plurality of single air outlets and is of an integrated structure, which is beneficial to passive heat dissipation of the inner magnetic core 3 during operation.

In summary, the suppression structure 4b is provided to passively and timely dissipate heat generated around the magnetic core 3.

The specific realization principle is as follows: because the filter has higher use frequency, and the volume of the filter is smaller when the filter is used, and the heat on the surface of the coil is higher easily under the long-term use effect, and the coils are compactly arranged, the self-dissipation performance of the heat under a smaller gap is poorer, and the heat is easy to generate mutual magnetic transfer when the heat does not volatilize around the coils, so that the coils have an excessive magnetic saturation phenomenon.

Therefore, by using the over-suppression structure 4b, when the heat of the heat sensing capsule 4b3 around the magnetic core 3 is high, the heat sensing capsule is in an expansion structure by using the principle of expansion with heat and contraction with cold, and pushes the airflow cavity 4b4, so that the airflow in the airflow cavity 4b4 flows into the main radiating component 4b6 through the connecting port 4b62 under the pushing action, the heat mixed in the airflow is absorbed a small amount under the action of the heat absorbing strip 4b64, so that the airflow is in a cross-cooling shape and blows out to the external holes arranged on the surface of the arc plate 4b63, and the passive blowing and heat dissipation of the outer surface of the magnetic core 3 is realized, so that the heat is in a passive accelerated flow channeling, and meanwhile, under the cooperation of the cotton strip 4b65, the impurities in the gas around the arc plate are subjected to adhesion treatment, thereby avoiding the influence of large-scale adhesion on the surface of the magnetic core 3 during operation.

The embodiment aims to solve the problems that the use frequency of the filter is high, the volume of the filter is small when the filter is used, and the heat on the surface of the coil is high easily under the long-term use effect, the coils are compactly mounted with each other, so that the heat has poor self-dissipation performance under a small gap, the heat is easy to generate mutual magnetic transfer if the heat does not volatilize around the coils, and the coil is excessively magnetically saturated.

Second embodiment:

as shown in fig. 1, 2, 5, 6, and 7, the present invention provides a technical solution of a filter:

As shown in fig. 5, the ring expanding mechanism 4c includes a limiting ring 4c1, a sheath 4c2, a limiting spring rod 4c3, a movable buckle 4c4, and an expanding following component 4c5, two sheath 4c2 are provided and are respectively provided on the left and right sides of the limiting ring 4c1, two limiting spring rods 4c3 are provided and are respectively vertically connected to the inner side wall of the sheath 4c2, the lower end of the movable buckle 4c4 is connected to the torsion spring rod 4b5 and to the end of the limiting spring rod 4c3, and the left and right sides of the expanding following component 4c5 are connected to the movable buckle 4c4 by electric welding, which is beneficial to preventing magnetic transfer of the internal coil under compact installation.

As shown in fig. 6, the expansion-following component 4c5 includes an expansion plate 4c51, a telescopic joint 4c52, and an edge ring 4c53, the expansion plate 4c51 is provided with four blocks and is connected with each other through the telescopic joint 4c52, the edge ring 4c53 is provided with four blocks and is installed on the outer surface of the expansion plate 4c51 and is connected with each other through electric welding, which is beneficial to avoiding the magnetic saturation phenomenon of the filter.

As shown in fig. 7, the edge ring section 4c53 includes a torsion bar g1, a fixing plate g2, an adjusting plate g3, and a pulling wire g4, wherein the fixing plate g2 is disposed on the upper surface of the arc expanding plate 4c51, the end of the fixing plate g2 is connected to the torsion bar g1 in a snap-fit manner, the upper end of the adjusting plate g3 is connected to the torsion bar g1 in a snap-fit manner, and the pulling wire g4 is provided with a plurality of wires which are respectively mounted on the inner side wall of the adjusting plate g3 in an even and equidistant manner and connected to the outer surface of the magnetic core 3, so as to facilitate the coil expanding effect, increase the.

In summary, the ring expanding mechanism 4c is provided to enlarge the gap of the magnetic core 3, so as to avoid excessive magnetic saturation.

The specific realization principle is as follows: under the action of the movement of the airflow cavity 4b4, the movable buckle 4c4 drives the expansion component 4c5 to perform the outward expansion action integrally, so that the stay wire g4 connected with the magnetic core 3 is stretched, and under the action of the outward expansion of the expansion component 4c5 integrally, the diameter of the movement track is enlarged through the telescopic joint 4c52, so that the passive outward expansion extension action of a coil on the magnetic core 3 is realized, the air gap between the magnetic cores 3 is enlarged, and the phenomenon of excessive magnetic saturation caused by thermal magnetic transfer is avoided.

This embodiment is in order to solve the heat and to wave then easily to lead to producing mutual magnetic transfer in coil week for excessive magnetic saturation phenomenon appears in the coil, so utilize the ring expanding mechanism that is equipped with, under the cooperation along with expanding the subassembly, be favorable to realizing doing the ring expanding effect to the coil, and then increase the air gap between the coil, in order to avoid appearing excessive magnetic saturation phenomenon.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a filter, its structure includes equipment main part (1), sleeve pipe (2), magnetic core (3), magnetic suppression device (4), its characterized in that: the magnetic suppression device comprises three sleeves (2), a magnetic core (3) and a magnetic suppression device (4), wherein the three sleeves (2) are respectively arranged on the left side and the right side of an equipment main body (1) in a group, the sleeves (2) are connected with the equipment main body (1) through electric welding, the magnetic core (3) is arranged in the equipment main body (1) and is connected with the equipment main body through buckling, and the magnetic suppression device (4) is arranged at the front end and the rear end of the;

magnetism restraines device (4) includes buckling board (4a), suppresses structure (4b), expands circle mechanism (4c), it locates buckling board (4a) surface and is connected through the electric welding to suppress structure (4b), expand circle mechanism (4c) locate and suppress structure (4b) upper surface and be connected through the lock.

2. A filter according to claim 1, characterized in that: the cross restraining structure (4b) comprises an isolation ring (4b1), buckle strips (4b2), a heat sensing bag (4b3), an airflow cavity (4b4), torsion spring rods (4b5) and main radiating components (4b6), wherein the heat sensing bag (4b3) is arranged on the lower surface of the isolation ring (4b1) and connected through the buckle strips (4b2), the airflow cavities (4b4) are provided with two torsion spring rods (4b5) which are symmetrically arranged on the left side and the right side of the heat sensing bag (4b3) and connected through penetration, the two torsion spring rods (4b5) are respectively arranged in the airflow cavity (4b4) and connected with the expanding mechanism (4c) through electric welding, the two main radiating components (4b6) are respectively arranged on the outer sides of the airflow cavity (4b4) in a symmetrical mode, and the main radiating components (4b6) are connected with the airflow cavity (4b4) through penetration.

3. A filter according to claim 2, wherein: the interior of the heat sensing bag (4b3) is hollow and is provided with a metal sheet in an attaching mode.

4. A filter according to claim 2, wherein: the main radiating assembly (4b6) comprises a connecting plate (4b61), a connecting port (4b62), arc plates (4b63), a heat absorbing strip (4b64) and a cotton sliver (4b65), wherein the connecting port (4b62) is arranged on the right side of the connecting plate (4b61) and connected with a ring expanding mechanism (4c), the arc plates (4b63) are arranged on the lower surface of the connecting plate (4b61) and connected through electric welding, the heat absorbing strip (4b64) is provided with a plurality of heat absorbing strips and is respectively arranged on the inner side walls of the arc plates (4b63) in an even and equidistant mode, and the cotton sliver (4b65) is provided with a plurality of heat absorbing strips and is respectively arranged on the outer side surface of the arc plates (4b63) and.

5. A filter according to claim 4, characterized in that: the surface of the arc plate (4b63) is provided with a plurality of single air outlet holes and is of an integrated structure.

6. A filter according to claim 1 or 2, characterized in that: expand circle mechanism (4c) and include spacing ring (4c1), sheath (4c2), spacing spring rod (4c3), activity and detain (4c4), follow and expand subassembly (4c5), sheath (4c2) are equipped with two altogether and locate the left and right sides of spacing ring (4c1) respectively, spacing spring rod (4c3) are equipped with two altogether and are connected perpendicularly in sheath (4c2) inside wall respectively, activity is detained (4c4) lower extreme and is connected with torsional spring rod (4b5) and is connected with spacing spring rod (4c3) end, follow and expand subassembly (4c5) left and right sides and activity and detain (4c4) and be connected through the electric welding.

7. A filter according to claim 6, characterized in that: the expansion following component (4c5) comprises an expansion plate (4c51), a telescopic knot (4c52) and an edge circle (4c53), wherein the expansion plate (4c51) is provided with four blocks and is connected with the four blocks through the telescopic knot (4c52), and the edge circle (4c53) is provided with four blocks and is installed on the outer surface of the expansion plate (4c51) and is connected with the expansion plate through electric welding.

8. A filter according to claim 7, wherein: the edge ring section (4c53) comprises a torsion bar (g1), a fixing plate (g2), an adjusting plate (g3) and a pull wire (g4), wherein the fixing plate (g2) is arranged on the upper surface of the arc expanding plate (4c51), the tail end of the fixing plate is connected with the torsion bar (g1) in a buckling mode, the upper end of the adjusting plate (g3) is connected with the torsion bar (g1) in a buckling mode, and the pull wire (g4) is provided with a plurality of wires which are arranged on the inner side wall of the adjusting plate (g3) in an even and equidistant mode respectively and connected with the outer surface of the magnetic core (3).