Ultra-thin super-current copper magnetic co-fired power inductor

By combining the heat dissipation shell and the shell mechanism of the mounting shell, and utilizing the staggered arrangement of rotating heat dissipation parts and fixed heat dissipation fins, the problems of difficult heat dissipation adjustment and inconvenient disassembly and assembly of the ultra-thin, ultra-high current copper-magnetic co-fired power inductor shell are solved, achieving efficient heat dissipation and convenient maintenance.

CN120261108BActive Publication Date: 2025-10-24广州盛中电子有限公司
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Patent Information

Application Number
CN202510366769.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2025-10-24
Estimated Expiration
2045-03-26

AI Technical Summary

Technical Problem

The shell of the existing ultra-thin ultra-high current copper-magnetic co-fired power inductor is not easy to adjust the heat dissipation intensity and is inconvenient to disassemble and assemble. After the shell is set, it is difficult to optimize the heat dissipation effect.

Method used

The shell structure adopts a combination of a heat dissipation shell and a mounting shell. Through the staggered arrangement of rotating heat dissipation parts and fixed heat dissipation fins, combined with clip-on and bolt connections, convenient disassembly and assembly and efficient heat dissipation are achieved.

Benefits of technology

It realizes convenient disassembly and assembly of the shell and efficient heat dissipation, adapts to the heat dissipation requirements of different current scenarios, and improves the heat dissipation effect of the inductor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the field of inductance equipment, and discloses a super-thin super-large current copper magnetic sintering power inductance, which solves the problem that the inductance shell is not easy to adjust the heat dissipation intensity and the disassembly and assembly convenience according to the needs, and comprises a magnetic core and a copper plate, the magnetic core is formed on the outside of the copper plate, the two ends of the copper plate are located on the two sides of the magnetic core, the outside of the magnetic core is provided with a shell mechanism for protecting the magnetic core, the shell mechanism comprises a heat dissipation shell body and a mounting shell body, the mounting convenience is high when the heat dissipation shell body and the mounting shell body are combined into the shell mechanism, the heat dissipation efficiency is high when two heat dissipation shell bodies are combined into the shell mechanism, the heat dissipation shell body comprises a first shell body, fixed heat dissipation fin plates are equidistantly arranged on the upper side and the lower side of the first shell body, the present application can adjust the heat dissipation efficiency according to the use condition of the inductance by the combined use of two kinds of shells, can adjust the shell assembly efficiency, and is convenient for disassembly, assembly and maintenance.
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Description

TECHNICAL FIELD

[0001] The application belongs to the field of inductance devices, and particularly relates to a super-thin super-large-current copper magnetic co-firing power inductance. BACKGROUND

[0002] According to the patent document with the authorized announcement number CN112735797B and the invention name of "an integrated co-firing inductance and a preparation method and application thereof", the specification records that the existing integrated inductance includes a seat body and a winding body, the seat body is formed by embedding the winding body into metal magnetic powder and pressure casting, the winding is usually a single-layer or multi-layer coil coated with a varnish film, the inductor prepared by the method can only be cured by low-temperature baking to improve the inductance strength, the internal stress of the inductance during forming cannot be released, the power consumption is high, and the inductance is suitable for low-frequency conditions. The loss of the metal magnetic powder is mainly composed of hysteresis loss and eddy current loss, and when the eddy current loss is reduced, the hysteresis loss will increase, which is difficult to solve at the same time. After the super-thin super-large-current copper magnetic co-firing power inductance is produced, an outer shell is generally arranged outside the magnetic core for protecting the inductance, but the following defects still exist.

[0003] After the outer shell is arranged outside the magnetic core, the inductance shell is not easy to adjust the heat dissipation intensity of the shell according to needs and the disassembly and assembly convenience. SUMMARY

[0004] In view of the above problems, the present application provides a super-thin super-large-current copper magnetic co-firing power inductance, which effectively solves the problem that the inductance shell is not easy to adjust the heat dissipation intensity of the shell according to needs and the disassembly and assembly convenience.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a super-thin super-large-current copper magnetic co-firing power inductance, comprising a magnetic core and a copper plate, the magnetic core is formed on the outside of the copper plate, the two ends of the copper plate are located on the two sides of the magnetic core, and an outer shell mechanism for protecting the magnetic core is arranged on the outside of the magnetic core.

[0006] The outer shell mechanism comprises a heat dissipation shell body and a mounting shell body, when the heat dissipation shell body and the mounting shell body are combined into the outer shell mechanism, the mounting is convenient, when two heat dissipation shell bodies are combined into the outer shell mechanism, the heat dissipation efficiency is high.

[0007] The heat dissipation shell body comprises a first shell body, fixed heat dissipation fin plates are equidistantly installed on the upper and lower sides of the first shell body, rotating heat dissipation pieces for adjusting the heat dissipation efficiency are arranged at the end portions of the fixed heat dissipation fin plates, mounting plates are symmetrically installed on the two sides of the first shell body, and the two first shell bodies are connected and fixed through the mounting plates and bolts.

[0008] The mounting shell comprises a second shell, and clamping grooves are equidistantly formed on the upper and lower sides of the second shell; the first shell is fixedly connected with the second shell through the clamping grooves.

[0009] Preferably, end grooves are formed on one end of the first shell and one end of the second shell, and the two ends of the copper plate penetrate to the outside of the shell mechanism through the two end grooves.

[0010] Preferably, the rotating heat dissipation piece comprises a rotating shaft, rotating heat dissipation fins are equidistantly mounted on the rotating shaft, and a close heat dissipation piece is arranged in the rotating heat dissipation fins; the rotating heat dissipation fins and the fixed heat dissipation fins are arranged alternately; end blocks are symmetrically fixedly installed on the two ends of the rotating shaft; two positioning grooves are symmetrically formed on the side of the end blocks away from the rotating shaft; positioning self-locking pieces are installed on the two sides of the first shell, and are used for clamping and fixing the rotating heat dissipation fins; and clamping blocks are fixedly installed on the ends of the rotating heat dissipation fins away from the rotating shaft.

[0011] Preferably, the rotating shaft is rotatably installed on the inner side of a rotating groove, the rotating groove is formed on the end of the fixed heat dissipation fin away from the end groove, limit plates are symmetrically arranged on the two sides of the fixed heat dissipation fin, and the limit plates are fixedly installed on the rotating shaft.

[0012] The positioning self-locking piece comprises movable grooves symmetrically formed in the interiors of the two sides of the first shell, movable plates movably installed in the interiors of the movable grooves, connecting rods installed on the sides of the two movable plates away from each other, the ends of the connecting rods penetrating to the outside of the first shell, connecting plates fixedly installed on the ends of the connecting rods, and positioning blocks installed on the two ends of the connecting plates.

[0013] Preferably, the positioning blocks correspond to the positioning grooves on the side of the end blocks close to the first shell, a handle is installed on the connecting plate, first springs are symmetrically installed on the side of the movable plate close to the connecting plate, and one end of the first spring is fixedly connected with the inner wall of the movable groove.

[0014] Preferably, the close heat dissipation piece comprises an internal cavity formed in the interior of the rotating heat dissipation fin, communication grooves formed on the upper and lower sides of the internal cavity, two heat conduction plates movably installed in the interior of the internal cavity, heat conduction columns equidistantly installed on the sides of the two heat conduction plates away from each other, the heat conduction columns inserted into the corresponding communication grooves, a middle plate arranged in the end of the internal cavity close to the rotating shaft, connecting rods hingedly installed on the side of the middle plate, the ends of the two connecting rods hingedly installed on the upper and lower heat conduction plates, and a pressing linkage arranged on the side of the middle plate.

[0015] Preferably, the outer wall of the heat-conducting plate is close to the inner wall of the inner cavity, the outer wall of the heat-conducting column is close to the inner wall of the communication groove, the material of the heat-conducting plate, the material of the heat-conducting column, the material of the rotating heat-dissipating fin plate, the material of the fixed heat-dissipating fin plate, the material of the first shell and the material of the second shell are all made of heat-conducting material, and the second spring is symmetrically installed between the two heat-conducting plates.

[0016] Preferably, the compression linkage comprises a moving groove opened in the rotating heat-dissipating fin plate, the moving groove is located at the side of the inner cavity close to the rotating shaft, a rod groove is opened between the moving groove and the inner cavity, a compression plate is movably installed in the moving groove, a plug rod is installed between the compression plate and the middle plate, an extrusion plate is arranged at the side of the compression plate away from the inner cavity, a third spring is symmetrically installed between the compression plate and the extrusion plate, a sliding groove is opened in the rotating shaft, the sliding groove is communicated with each moving groove, a sliding plate is slidably installed in the sliding groove, the sliding plate is fixedly connected with each extrusion plate, wedge-shaped blocks are installed at both ends of the sliding plate, and a compression driving element is arranged in the inner portion of the end block.

[0017] Preferably, the compression driving element comprises an inner groove opened in the inner portion of the end block, the inner groove is communicated with the positioning groove, an inner plate is movably installed in the inner groove, a jacking rod is fixedly installed at the side of the inner plate close to the rotating shaft, one end of the jacking rod penetrates into the inner portion of the sliding groove, a top ball is fixedly installed at one end of the jacking rod, and the outer wall of the top ball is in contact with the inclined surface of the wedge-shaped block.

[0018] Compared with the prior art, the present application has the following advantages:

[0019] (1) When the first shell and the second shell are combined into the shell mechanism, the rotating heat-dissipating fin plate is installed on the outer wall of the second shell, the clamping block is clamped into the clamping groove, the first shell and the second shell are clamped and fixed, and the maintenance is convenient.

[0020] (2) The rotating heat-dissipating fin plate is equidistantly installed on the rotating shaft, the fixed heat-dissipating fin plate and the rotating heat-dissipating fin plate are staggered, the air resistance is reduced, the air passes through the heat dissipation conveniently, the rotating heat-dissipating fin plate is conveniently received between the two adjacent fixed heat-dissipating fin plates after being rotated, the rotating heat-dissipating fin plate is in contact with the outer wall of the second shell and the outer wall of the first shell in two cases, and the heat dissipation is convenient.

[0021] (3) The end block is installed at both ends of the rotating shaft, two positioning grooves are symmetrically opened in the end block, after the position of the rotating heat-dissipating fin plate is determined, the positioning block on the connecting plate can be clamped into the positioning groove on the side of the end block close to the first shell, the rotating heat-dissipating fin plate is conveniently locked, and the installation is convenient.

[0022] (4) the invention by positioning block inserted into the positioning groove after, push the top ball to the inclined surface of the wedge block produces pressure, push the extrusion plate to the side of the stressed plate, so that the third spring is stressed, and under the action of the elastic force of the third spring, the middle plate makes the heat conducting column close to the first shell through the connecting rod, ensures the contact heat transfer effect of the rotating heat dissipation fin plate and the first shell, and improves the heat dissipation effect of the inductor. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings are included to provide a further understanding of the application, and constitute a part of the specification, together with the embodiments of the application, to explain the application, and do not constitute a limitation on the application.

[0024] In the drawings:

[0025] Figure 1 It is a schematic diagram of the structure of the ultra-thin and ultra-large current copper magnetic co-fired power inductor of the application;

[0026] Figure 2 It is a schematic diagram of the structure of the shell mechanism composed of the first shell and the second shell of the application;

[0027] Figure 3 It is a schematic diagram of the structure of the shell mechanism composed of two second shells of the application;

[0028] Figure 4 It is a schematic diagram of the structure of the heat dissipation shell of the application;

[0029] Figure 5 It is a schematic diagram of the structure of the second shell of the application;

[0030] Figure 6 It is a schematic diagram of the structure of the first shell of the application;

[0031] Figure 7 It is a schematic diagram of the structure of the positioning self-locking part of the application;

[0032] Figure 8 It is a schematic diagram of the structure of the rotating heat dissipation part of the application;

[0033] Figure 9 It is a schematic diagram of the structure of the close heat dissipation part of the application;

[0034] Figure 10 It is a schematic diagram of the structure of the close heat dissipation part of the application; Figure 9 It is an enlarged view of structure A in the middle of the application;

[0035] Figure 11 It is a schematic diagram of the structure of the compression driving part of the application;

[0036] As shown in the figure, 1 is a magnetic core, 2 is a copper plate, 3 is a shell mechanism, 4 is a heat dissipation shell, 401 is a first shell, 402 is a fixed heat dissipation fin plate, 403 is a mounting plate, 404 is a rotating groove, 405 is a rotating heat dissipation piece, 4051 is a rotating shaft, 4052 is a limiting plate, 4053 is a rotating heat dissipation fin plate, 4054 is a clamping block, 4055 is an end block, 4056 is a positioning groove, 406 is a positioning self-locking piece, 4061 is a movable groove, 4062 is a movable plate, 4063 is a connecting rod, 4064 is a connecting plate, 4065 is a positioning block, 4066 is a first spring, 407 is a close contact heat dissipation piece, 4071 is an inner cavity, 4072 is a communication groove, 4073 is a heat conduction plate, 4074 is a heat conduction column, 4075 is a second spring, 4078 is a middle plate, 4079 is a connecting rod, 408 is a pressing linkage, 4081 is a moving groove, 4082 is a rod groove, 4083 is an insertion rod, 4084 is a pressure receiving plate, 4085 is a pressing plate, 4086 is a third spring, 4087 is a sliding groove, 4088 is a sliding plate, 4089 is a wedge-shaped block, 409 is a pressing driving piece, 4091 is an inner groove, 4092 is an inner plate, 4093 is a top rod, 4094 is a top ball, 5 is a mounting shell, 501 is a second shell, 502 is a clamping groove, 6 is an end groove. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0038] By Figures 1-11 The present application relates to a super-thin and super-large current copper magnetic co-fired power inductor, which comprises a magnetic core 1 and a copper plate 2. The magnetic core 1 is formed on the outer side of the copper plate 2. The two ends of the copper plate 2 are located on the two sides of the magnetic core 1. The outer side of the magnetic core 1 is provided with a shell mechanism 3 for protecting the magnetic core 1. The shell mechanism 3 comprises a heat dissipation shell 4 and a mounting shell 5. When the heat dissipation shell 4 and the mounting shell 5 are combined into the shell mechanism 3, the mounting is convenient. When two heat dissipation shells 4 are combined into the shell mechanism 3, the heat dissipation efficiency is high.

[0039] The heat dissipation shell 4 comprises a first shell 401, and fixed heat dissipation fins 402 are symmetrically arranged on the upper and lower sides of the first shell 401 at equal intervals. The end of the fixed heat dissipation fin 402 is provided with a rotating heat dissipation piece 405 for adjusting the heat dissipation efficiency. The two sides of the first shell 401 are symmetrically provided with mounting plates 403, and the two first shells 401 are connected and fixed through the mounting plates 403 and bolts. The mounting shell 5 comprises a second shell 501, and clamping grooves 502 are symmetrically arranged on the upper and lower sides of the second shell 501 at equal intervals. The first shell 401 and the second shell 501 are clamped and fixed through the clamping grooves 502. The one end of the first shell 401 and the one end of the second shell 501 are provided with end grooves 6, and the two ends of the copper plate 2 are penetrated to the outside of the shell mechanism 3 through the two end grooves 6.

[0040] The rotating heat dissipation piece 405 comprises a rotating shaft 4051, and rotating heat dissipation fins 4053 are symmetrically arranged on the rotating shaft 4051 at equal intervals. The rotating heat dissipation fin 4053 is provided with a close heat dissipation piece 407. The rotating heat dissipation fin 4053 is staggered with the fixed heat dissipation fin 402. The two ends of the rotating shaft 4051 are symmetrically provided with end blocks 4055. Two positioning grooves 4056 are symmetrically arranged on the side of the end block 4055 away from the rotating shaft 4051. The two sides of the first shell 401 are provided with positioning self-locking pieces 406 for clamping and fixing the rotating heat dissipation fin 4053. The one end of the rotating heat dissipation fin 4053 away from the rotating shaft 4051 is fixedly provided with a clamping block 4054. When the first shell 401 and the second shell 501 are combined into the shell mechanism 3, the rotating heat dissipation fin 4053 is arranged on the outer wall of the second shell 501, so that the clamping block 4054 is clamped into the clamping groove 502, the first shell 401 and the second shell 501 are clamped and fixed, and the disassembly and maintenance are convenient. When the two first shells 401 are combined into the shell mechanism 3, the rotating heat dissipation fin 4053 is arranged on the outer wall of the first shell 401, the number of the fixed heat dissipation fin 402 and the rotating heat dissipation piece 405 on the shell mechanism 3 is doubled, the heat dissipation effect is improved, the rotating shaft 4051 is rotatably arranged in the rotating groove 404, the rotating groove 404 is arranged at the end of the fixed heat dissipation fin 402 away from the end groove 6, the two sides of the fixed heat dissipation fin 402 are symmetrically provided with limiting plates 4052, the limiting plate 4052 is fixedly arranged on the rotating shaft 4051, the rotating heat dissipation fin 4053 is symmetrically arranged on the rotating shaft 4051 at equal intervals, the fixed heat dissipation fin 402 is staggered with the rotating heat dissipation fin 4053, the air resistance is reduced, the air passing through the heat dissipation is facilitated, and the rotating heat dissipation fin 4053 is conveniently arranged in the adjacent two fixed heat dissipation fins 402 after being rotated, the rotating heat dissipation fin 4053 is in contact with the outer wall of the second shell 501 and the outer wall of the first shell 401 in two cases, and the heat dissipation is facilitated.

[0041] The positioning self-locking piece 406 comprises two symmetrical movable grooves 4061 opened in the interiors of the two sides of the first shell 401, a movable plate 4062 movably mounted in the interior of each movable groove 4061, a connecting rod 4063 mounted on the side of each movable plate 4062 away from the other, the end of the connecting rod 4063 penetrating to the outside of the first shell 401, a connecting plate 4064 fixedly mounted on the end of the connecting rod 4063, a positioning block 4065 mounted on each end of the connecting plate 4064, the positioning block 4065 corresponding to the positioning groove 4056 on the side of the end block 4055 close to the first shell 401, a handle mounted on the connecting plate 4064, a first spring 4066 symmetrically mounted on the side of the movable plate 4062 close to the connecting plate 4064, one end of the first spring 4066 fixedly connected with the inner wall of the movable groove 4061, an end block 4055 mounted on each end of the rotating heat dissipation fin plate 4053, two positioning grooves 4056 symmetrically opened in the end block 4055, after the position of the rotating heat dissipation fin plate 4053 is determined, the positioning block 4065 on the connecting plate 4064 can be clamped into the positioning groove 4056 on the side of the end block 4055 close to the first shell 401, so as to conveniently lock and install the rotating heat dissipation fin plate 4053.

[0042] The close contact heat dissipation piece 407 comprises an interior cavity 4071 opened in the interior of the rotating heat dissipation fin plate 4053, a communication groove 4072 opened in the upper and lower sides of the interior cavity 4071, two heat conducting plates 4073 movably mounted in the interior of the interior cavity 4071, a heat conducting column 4074 equidistantly mounted on the side of each heat conducting plate 4073 away from the other, the heat conducting column 4074 inserted into the corresponding communication groove 4072, a middle plate 4078 provided in the interior of the end of the interior cavity 4071 close to the rotating shaft 4051, a connecting rod 4079 hingedly mounted on the side of the middle plate 4078, the ends of the two connecting rods 4079 hingedly mounted with the upper and lower heat conducting plates 4073 respectively, the pressure tight linkage 408 provided on the side of the middle plate 4078, the outer wall of the heat conducting plate 4073 close to the inner wall of the interior cavity 4071, the outer wall of the heat conducting column 4074 close to the inner wall of the communication groove 4072, the material of the heat conducting plate 4073, the material of the heat conducting column 4074, the material of the rotating heat dissipation fin plate 4053, the material of the fixed heat dissipation fin plate 402, the material of the first shell 401 and the material of the second shell 501 all being heat conducting materials, and a second spring 4075 symmetrically mounted between the upper and lower heat conducting plates 4073.

[0043] The compression linkage 408 comprises a moving groove 4081 opened in the inside of the rotating heat dissipation fin plate 4053, the moving groove 4081 is located at the side close to the rotating shaft 4051 of the inner cavity 4071, a rod groove 4082 is opened between the moving groove 4081 and the inner cavity 4071, a pressure receiving plate 4084 is movably installed in the inside of the moving groove 4081, a plug rod 4083 is installed between the pressure receiving plate 4084 and the middle plate 4078, an extrusion plate 4085 is arranged at the side away from the inner cavity 4071 of the pressure receiving plate 4084, a third spring 4086 is symmetrically installed between the pressure receiving plate 4084 and the extrusion plate 4085, a sliding groove 4087 is opened in the inside of the rotating shaft 4051, the sliding groove 4087 is communicated with each moving groove 4081, a sliding plate 4088 is slidably installed in the inside of the sliding groove 4087, the sliding plate 4088 is fixedly connected with each extrusion plate 4085, wedge-shaped blocks 4089 are installed at both ends of the sliding plate 4088, a compression driving part 409 is arranged in the inside of the end block 4055, the compression driving part 409 comprises an inner groove 4091 opened in the inside of the end block 4055, the inner groove 4091 is communicated with the positioning groove 4056, an inner plate 4092 is movably installed in the inside of the inner groove 4091, a jacking rod 4093 is fixedly installed at the side close to the rotating shaft 4051 of the inner plate 4092, one end of the jacking rod 4093 penetrates into the inside of the sliding groove 4087, a top ball 4094 is fixedly installed at one end of the jacking rod 4093, the outer wall of the top ball 4094 is in contact with the inclined surface of the wedge-shaped block 4089, after the positioning block 4065 is inserted into the inside of the positioning groove 4056, the top ball 4094 is pushed to generate pressure on the inclined surface of the wedge-shaped block 4089, the extrusion plate 4085 is pushed to move towards the side of the pressure receiving plate 4084, so that the third spring 4086 is compressed, and under the elastic force of the third spring 4086, the middle plate 4078 makes the heat conduction column 4074 close to the first shell 401 through the connecting rod 4079, so as to ensure the contact heat conduction effect of the rotating heat dissipation fin plate 4053 and the first shell 401, and improve the heat dissipation effect on the inductor.

[0044] Working principle: when the inductance is used in the scene of moderate current flow, the required heat dissipation efficiency does not need to be too large, at this time in order to facilitate the disassembly of the shell mechanism 3, the first shell 401 and the second shell 501 are assembled to form the shell mechanism 3, the first shell 401 and the second shell 501 are sleeved on the outside of the magnetic core 1, the two ends of the copper plate 2 pass through the two end grooves 6, then the connecting plates 4064 on both sides of the first shell 401 are pulled outwards, the upper and lower positioning blocks 4065 are separated from the positioning grooves 4056, the rotating heat dissipation fin plates 4053 are turned towards one side of the second shell 501, the clamping blocks 4054 are clamped into the clamping grooves 502 on the second shell 501, the side wall of the clamping block 4054 is in contact with the side wall of the clamping groove 502 away from the first shell 401, the first shell 401 and the second shell 501 are clamped and fixed, then the positioning blocks 4065 are clamped into the positioning grooves 4056 on the end blocks 4055 near the first shell 401, the rotating heat dissipation fin plates 4053 are clamped and locked;

[0045] When the inductance is used in the scene of super large current, the required heat dissipation efficiency needs to be improved, when assembling, two first shells 401 are used to form the shell mechanism 3, the two first shells 401 are sleeved on the outside of the magnetic core 1, the two ends of the copper plate 2 pass through the two end grooves 6, then the connecting plates 4064 on both sides of the first shell 401 are pulled outwards, the two positioning blocks 4065 are separated from the positioning grooves 4056, the upper and lower rotating heat dissipation fin plates 4053 are turned towards the upper and lower sides of the first shell 401 respectively, until the outer wall of the rotating heat dissipation fin plate 4053 is in contact with the outer wall of the first shell 401, then the positioning blocks 4065 are clamped into the positioning grooves 4056 on the end blocks 4055 near the first shell 401, the rotating heat dissipation fin plates 4053 are clamped and locked, then the two first shells 401 are connected and fixed through the mounting plates 403, which doubles the number of fixed heat dissipation fin plates 402 and rotating heat dissipation pieces 405 on the shell mechanism 3, thereby improving the heat dissipation effect of the inductance;

[0046] When the positioning block 4065 is inserted into the positioning slot 4056, the internal plate 4092 inside the internal slot 4091 is pushed to move, which in turn makes the top ball 4094 move to press the inclined surface of the wedge-shaped block 4089, pushes the sliding plate 4088 to move towards the pressure plate 4084, and makes the third spring 4086 be pressed, under the elastic force of the third spring 4086, the middle plate 4078 is pressed tightly by the connecting rod 4079 to the heat-conducting plate 4073, so that the heat-conducting column 4074 can be in close contact with the outer wall of the first shell 401, the outer wall of the heat-conducting plate 4073 is in close contact with the inner wall of the internal cavity 4071, and the outer wall of the heat-conducting column 4074 is in close contact with the inner wall of the communication slot 4072, the material of the heat-conducting plate 4073, the material of the heat-conducting column 4074, the material of the rotating heat-dissipating fin plate 4053, the material of the fixed heat-dissipating fin plate 402, the material of the first shell 401 and the material of the second shell 501 are all heat-conducting materials, so as to ensure the contact heat-dissipating effect of the rotating heat-dissipating fin plate 4053 and the first shell 401, and improve the heat-dissipating effect on the inductor.

[0047] It should be noted that the relational terms herein such as first and second, and the like, are used solely to distinguish one from another entity or action, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0048] Although the embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A super-thin super-high current copper magnetic co-fired power inductor, comprising a magnetic core (1) and a copper plate (2), characterized in that: The magnetic core (1) is press-formed on the outer side of the copper plate (2), both ends of the copper plate (2) are located at both sides of the magnetic core (1), and the outer side of the magnetic core (1) is provided with a shell mechanism (3) for protecting the magnetic core (1); The shell mechanism (3) comprises a heat dissipation shell (4) and a mounting shell (5), and when the heat dissipation shell (4) and the mounting shell (5) are combined into the shell mechanism (3), the mounting is convenient, and when two heat dissipation shells (4) are combined into the shell mechanism (3), the heat dissipation efficiency is high; The heat dissipation shell (4) comprises a first shell (401), fixed heat dissipation fins (402) are equidistantly mounted on the upper and lower sides of the first shell (401), end portions of the fixed heat dissipation fins (402) are provided with rotating heat dissipation pieces (405) for adjusting the heat dissipation efficiency, mounting plates (403) are symmetrically mounted on both sides of the first shell (401), and the two first shells (401) are connected and fixed through the mounting plates (403) and bolts; The mounting shell (5) comprises a second shell (501), clamping grooves (502) are equidistantly formed on the upper and lower sides of the second shell (501), and the first shell (401) and the second shell (501) are clamped and fixed through the clamping grooves (502); The rotating heat dissipation piece (405) comprises a rotating shaft (4051), rotating heat dissipation fins (4053) are equidistantly mounted on the rotating shaft (4051), a close heat dissipation piece (407) is arranged in the rotating heat dissipation fin (4053), the rotating heat dissipation fin (4053) and the fixed heat dissipation fin (402) are arranged alternately, end portion blocks (4055) are symmetrically fixedly installed at both ends of the rotating shaft (4051), two positioning grooves (4056) are symmetrically formed on the side, away from the rotating shaft (4051), of the end portion block (4055), positioning self-locking pieces (406) are mounted on both sides of the first shell (401), the positioning self-locking pieces (406) are used for clamping and fixing the rotating heat dissipation fin (4053), and a clamping block (4054) is fixedly installed at the end, away from the rotating shaft (4051), of the rotating heat dissipation fin (4053); The positioning self-locking piece (406) comprises movable grooves (4061) symmetrically formed in the interiors of both sides of the first shell (401), movable plates (4062) are movably installed in the interiors of the movable grooves (4061), connecting rods (4063) are mounted on the sides, away from each other, of the two movable plates (4062), end portions of the connecting rods (4063) penetrate to the outer side of the first shell (401), connecting plates (4064) are fixedly installed at the end portions of the connecting rods (4063), and positioning blocks (4065) are mounted at both ends of the connecting plate (4064). The close-fitting heat dissipation piece (407) comprises an internal cavity (4071) arranged in the rotating heat dissipation fin plate (4053), and a communication groove (4072) is arranged on the upper and lower sides of the internal cavity (4071); two heat conduction plates (4073) are movably arranged in the internal cavity (4071); a heat conduction column (4074) is equidistantly arranged on the side of each heat conduction plate (4073) away from the other; the heat conduction column (4074) is inserted into the corresponding communication groove (4072); a middle plate (4078) is arranged at the end of the internal cavity (4071) close to the rotating shaft (4051); a connecting rod (4079) is symmetrically hingedly arranged on one side of the middle plate (4078); the ends of the two connecting rods (4079) are hingedly connected with the upper and lower heat conduction plates (4073), respectively; and a pressing linkage (408) is arranged on one side of the middle plate (4078).

2. The ultra-thin, ultra-high current copper magnetically co-fired power inductor of claim 1, wherein: The first shell (401) and the second shell (501) are provided with end grooves (6) at one end thereof, and the copper plate (2) is penetrated to the outside of the shell mechanism (3) through the two end grooves (6).

3. The ultra-thin, ultra-high current, copper-magnetic co-fired power inductor of claim 1, wherein: The rotating shaft (4051) is rotatably arranged in the rotating groove (404), and the rotating groove (404) is arranged at the end of the fixed heat dissipation fin plate (402) away from the end groove (6); the fixed heat dissipation fin plate (402) is provided with limiting plates (4052) symmetrically arranged on the two sides thereof, and the limiting plates (4052) are fixedly arranged on the rotating shaft (4051).

4. The ultra-thin, ultra-high current, copper-magnetic-core, co-fired power inductor of claim 1, wherein: The positioning block (4065) is arranged in the positioning groove (4056) on the side of the end block (4055) close to the first shell (401); a handle is arranged on the connecting plate (4064); the first spring (4066) is symmetrically arranged on the side of the movable plate (4062) close to the connecting plate (4064); and one end of the first spring (4066) is fixedly connected with the inner wall of the movable groove (4061).

5. The ultra-thin, ultra-high current, copper-magnetic co-fired power inductor of claim 4, wherein: The outer wall of the heat conduction plate (4073) is tightly attached to the inner wall of the internal cavity (4071), the outer wall of the heat conduction column (4074) is tightly attached to the inner wall of the communication groove (4072), the material of the heat conduction plate (4073), the material of the heat conduction column (4074), the material of the rotating heat dissipation fin plate (4053), the material of the fixed heat dissipation fin plate (402), the material of the first shell (401) and the material of the second shell (501) are all made of heat-conducting material, and the second spring (4075) is symmetrically arranged between the upper and lower heat conduction plates (4073).

6. The ultra-thin, ultra-high current, copper-magnetic co-fired power inductor of claim 5, wherein: The compression linkage (408) comprises a moving groove (4081) opened in the rotating heat dissipation fin plate (4053), the moving groove (4081) is located at one side of the internal cavity (4071) close to the rotating shaft (4051), a rod groove (4082) is opened between the moving groove (4081) and the internal cavity (4071), a compression plate (4084) is movably installed in the moving groove (4081), a plug rod (4083) is installed between the compression plate (4084) and the middle plate (4078), an extrusion plate (4085) is arranged on the side of the compression plate (4084) away from the internal cavity (4071), a third spring (4086) is symmetrically installed between the compression plate (4084) and the extrusion plate (4085), a sliding groove (4087) is opened in the rotating shaft (4051), the sliding groove (4087) is communicated with each moving groove (4081), a sliding plate (4088) is slidably installed in the sliding groove (4087), the sliding plate (4088) is fixedly connected with each extrusion plate (4085), wedge-shaped blocks (4089) are installed at both ends of the sliding plate (4088), and the end block (4055) is internally provided with a compression driving element (409).

7. The ultra-thin, ultra-high current, copper-magnetic-core, co-fired power inductor of claim 6, wherein: The compression driving element (409) comprises an internal groove (4091) opened in the end block (4055), the internal groove (4091) is communicated with the positioning groove (4056), an internal plate (4092) is movably installed in the internal groove (4091), a top rod (4093) is fixedly installed on one side of the internal plate (4092) close to the rotating shaft (4051), one end of the top rod (4093) penetrates into the sliding groove (4087), a top ball (4094) is fixedly installed at one end of the top rod (4093), and the outer wall of the top ball (4094) is in contact with the inclined surface of the wedge-shaped block (4089).

Citation Information

Patent Citations

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