CN218648728U

CN218648728U - Multiphase efficient direct-current converter

Info

Publication number: CN218648728U
Application number: CN202222909619.7U
Authority: CN
Inventors: 范云光; 叶天明
Original assignee: Hongqing Electronic Dongguan Co ltd
Current assignee: Hongqing Electronic Dongguan Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-03-17
Anticipated expiration: 2032-11-02

Abstract

The utility model belongs to the technical field of direct current converter, especially, be a heterogeneous efficient direct current converter, which comprises a housin, the last fixed surface of casing has along its central radiating fin one that is the circumference array distribution, radiating fin one's last fixed surface has the fan, and is adjacent be provided with radiating fin two between the radiating fin one, radiating fin two is connected with the last fixed surface of casing. The utility model discloses a fan of fixing in radiating fin one upper end is set up, thereby to radiating fin one, thereby the air flow at casing top is accelerated to the upper surface blowing of radiating fin two and casing, the heat dissipation effect is improved, through setting up radiating fin three and wind-guiding lid, make the wind that the fan blew off can not follow the top loss of casing, but flow to between the radiating fin three, in order to improve the air flow speed of casing side, further strengthen heat dispersion, thereby make heterogeneous direct current converter have better heat dispersion.

Description

Multiphase efficient direct-current converter

Technical Field

The utility model relates to a direct current converter technical field specifically is a heterogeneous efficient direct current converter.

Background

Dc converters are widely used in various electronic devices, especially battery-powered mobile devices. The dc converter needs to provide a stable power supply to the electronic components with a preset stable voltage. A multiphase dc converter operates with multiple power stages coupled in parallel with offsets between the phases.

The existing multiphase direct current converter generates heat seriously during working, so that radiating fins are distributed on the surface of most of the multiphase direct current converters, the radiating effect of the radiating fins is greatly influenced by the installation environment of the multiphase direct current converter, the multiphase direct current converter is often installed inside electronic equipment, the air fluidity inside the electronic equipment is poor, and the radiating effect is limited, and the multiphase efficient direct current converter with the good radiating effect is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a heterogeneous efficient direct current converter has solved the relatively poor problem of heterogeneous direct current converter heat dispersion that provides in the above-mentioned technical background.

(II) technical scheme

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a heterogeneous efficient direct current converter, includes the casing, the last fixed surface of casing has along its center be the radiating fin one of circumference array distribution, the last fixed surface of radiating fin one has the fan, is provided with radiating fin two between the adjacent radiating fin one, radiating fin two is connected with the last fixed surface of casing, the one end that radiating fin one and radiating fin two kept away from the fan all extends to the outside of casing, the lateral wall fixedly connected with radiating fin three of casing, the upper end of radiating fin three links to each other with radiating fin one and radiating fin two extend the lower surface of casing part, radiating fin one and radiating fin two's upper end is fixed with the wind-guiding lid, a lateral wall of casing is provided with the line and connects, the four corners of casing lower surface all is provided with shock attenuation fixed subassembly, shock attenuation fixed subassembly includes the installation piece, the upper surface of installation piece is fixed with L type elasticity sheetmetal, it has two slide bars to run through on the L type elasticity sheetmetal, the upper end of slide bar and the lower surface fixed connection of casing, two be fixed with the connecting plate between the lower surface of slide bar, fixed mounting spring between connecting plate and the installation piece.

Furthermore, the air guide cover comprises a baffle fixed on the upper surfaces of the first radiating fins and the second radiating fins, a downward extending surrounding frame is fixed at the edge position of the baffle, the side walls of the first radiating fins and the second radiating fins are arranged on the inner side of the surrounding frame, and a through hole penetrating through the fan is formed in the middle of the baffle.

Furthermore, a fourth radiating fin is fixed on the upper surface of the baffle.

Further, the bottom of the shell is provided with a fifth heat dissipation fin.

Furthermore, one end of the mounting piece is provided with a mounting hole.

Furthermore, a gasket is fixed on the upper surface of the L-shaped elastic metal sheet.

(III) advantageous effects

Compared with the prior art, the utility model provides a heterogeneous efficient direct current converter possesses following beneficial effect:

the utility model discloses, fix the fan in a radiating fin upper end through the setting, thereby to radiating fin one, thereby the air flow at casing top is accelerated to the upper surface blowing of radiating fin two and casing, the heat dissipation effect is improved, through setting up radiating fin three and wind-guiding lid, make the wind that the fan blew off can not follow the top loss of casing, but flow to between the radiating fin three, in order to improve the air flow speed of casing side, further strengthen heat dispersion, thereby make heterogeneous direct current converter have better heat dispersion.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present invention;

FIG. 2 is a schematic view of the structure of the wind-removing cover of the present invention;

fig. 3 is a schematic view of another perspective structure of the present invention;

fig. 4 is a schematic view of the wind scooper of the present invention.

In the figure: 1. a housing; 2. a first heat dissipation fin; 3. a fan; 4. a second heat dissipation fin; 5. a third heat dissipation fin; 6. a wind scooper; 601. a baffle plate; 602. enclosing a frame; 603. a port; 604. a fourth radiating fin; 7. fifthly, radiating fins; 8. a line connector; 9. a shock-absorbing fixing component; 901. mounting a sheet; 902. an L-shaped elastic metal sheet; 903. a slide bar; 904. a connecting plate; 905. a spring; 906. mounting holes; 907. and (7) a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, an embodiment of the present invention provides a multiphase high-efficiency dc converter, which includes a housing 1, a first heat dissipation fin 2 distributed along a center of the housing 1 in a circumferential array is fixed to an upper surface of the housing 1, a fan 3 is fixed to an upper surface of the first heat dissipation fin 2, a second heat dissipation fin 4 is disposed between adjacent first heat dissipation fins 2, the second heat dissipation fin 4 is fixedly connected to an upper surface of the housing 1, ends of the first heat dissipation fin 2 and the second heat dissipation fin 4, which are far away from the fan 3, both extend to an outer side of the housing 1, a third heat dissipation fin 5 is fixedly connected to a side wall of the housing 1, upper ends of the third heat dissipation fin 5 are connected to lower surfaces of portions of the first heat dissipation fin 2 and the second heat dissipation fin 4, upper ends of the first heat dissipation fin 2 and the second heat dissipation fin 4 are fixed with an air guiding cover 6, a side wall of the housing 1 is provided with a line connector 8, four corners of a lower surface of the housing 1 are provided with shock-absorbing fixing assemblies 9, the shock-absorbing fixing assemblies 9 include mounting pieces 901, an L-shaped elastic metal piece 902 is fixed to an upper surface of the mounting piece 901, two sliding rod 903 and a connecting plate 904 is connected between the lower surface of the sliding rod 903 and a connecting plate 904 fixed to the sliding rod 903, and a connecting plate 904 fixed to the sliding rod 903; to sum up, the multiphase dc converter can dissipate heat when working, a certain heat dissipation effect can be achieved through the first heat dissipation fins 2, the second heat dissipation fins 4 and the third heat dissipation fins 5 arranged on the surface, and through the arrangement of the fan 3, air can be actively guided to flow between the first heat dissipation fins 2 and the second heat dissipation fins 4 adjacent to each other, so that the heat dissipation performance is improved, through the arrangement of the air guide cover 6, flowing air blown out by the fan 3 is prevented from escaping from the upper end of the shell 1, the air can flow between the first heat dissipation fins 2 and the second heat dissipation fins 4 to the third heat dissipation fins 5, so that the air flow rate of the side face of the shell 1 is accelerated, the purpose of further improving the heat dissipation effect is achieved, through the arrangement of the damping fixing component 9, when an electronic device provided with the multiphase dc converter vibrates, the influence of the vibration on the connection stability of internal elements and the line connectors 8 of the multiphase dc converter can be reduced, when the vibration degree is large, the upper end of the L-shaped elastic metal sheet 902 is in contact with the lower surface of the shell 1, and the L-shaped elastic metal sheet 902 can also achieve a certain damping effect.

As shown in fig. 4, in some embodiments, the air guiding cover 6 includes a baffle 601 fixed on the upper surfaces of the first cooling fins 2 and the second cooling fins 4, a downwardly extending enclosure frame 602 is fixed at the edge of the baffle 601, the side walls of the first cooling fins 2 and the second cooling fins 4 are both arranged on the inner side of the enclosure frame 602, and a through hole 603 penetrating through the fan 3 is formed in the middle of the baffle 601; by the arrangement of the baffle 601, the air blown out by the fan 3 is prevented from escaping from the upper side of the casing 1, the air flow velocity flowing down the direction of the air flowing to the outside of the casing 1 can be guided by the arrangement of the enclosure frame 602 so as to accelerate the side surface of the casing 1, and the top end of the fan 3 can contact more air by the arrangement of the through opening 603.

As shown in fig. 4, in some embodiments, a fourth heat dissipating fin 604 is fixed to the upper surface of the baffle 601; the material of the baffle 601 mentioned here has a certain heat conduction performance, and the arrangement of the fourth heat dissipation fin 604 can accelerate the heat dissipation effect of the baffle 601, thereby improving the heat dissipation performance of the multiphase dc converter.

As shown in fig. 3, in some embodiments, the bottom of the housing 1 is provided with five heat dissipating fins 7; due to the arrangement of the damping fixing assembly 9, a gap exists between the bottom of the shell 1 and the installation position, and the heat dissipation performance of the bottom of the shell 1 is improved through the arrangement of the five heat dissipation fins 7.

As shown in fig. 3, in some embodiments, one end of the mounting piece 901 is opened with a mounting hole 906; by the provision of the mounting hole 906, the multiphase dc converter is easily fixed.

As shown in fig. 2, in some embodiments, a gasket 907 is fixed on the upper surface of the L-shaped elastic metal sheet 902; through the arrangement of the gasket 907, the L-shaped elastic metal piece 902 can be buffered by the gasket 907 when contacting the bottom of the housing 1, so that a larger contact area can be kept between the gasket 907 and the bottom of the housing 1 when the L-shaped elastic metal piece 902 is bent, and the probability of breaking the L-shaped elastic metal piece 902 can also be reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A multiphase high efficiency dc converter comprising a housing (1), characterized in that: the shock absorption fixing assembly comprises a shell (1), wherein first radiating fins (2) distributed along the center of the shell in a circumferential array are fixed on the upper surface of the shell (1), a fan (3) is fixed on the upper surface of each first radiating fin (2), second radiating fins (4) are arranged between every two adjacent first radiating fins (2), the second radiating fins (4) are fixedly connected with the upper surface of the shell (1), one ends, far away from the fan (3), of the first radiating fins (2) and the second radiating fins (4) extend to the outer side of the shell (1), third radiating fins (5) are fixedly connected with the side wall of the shell (1), the upper ends of the third radiating fins (5) are connected with the lower surfaces of the parts, extending out of the shell (1), of the first radiating fins (2) and the second radiating fins (4), air guide covers (6) are fixed at the upper ends of the first radiating fins (2) and the second radiating fins (4), line connectors (8) are arranged on one side wall of the shell (1), shock absorption fixing assemblies (9) are arranged at four corners of the lower surface of the shell (1), each shock absorption fixing assembly (9) comprises a mounting plate (902), two elastic fixing plates (903) are connected with an upper surface of a metal through piece (903), and a metal through piece (903) is connected with a metal through piece (903) fixed on the upper surface of the metal fixing assembly (901), and a connecting plate (904) is fixed between the lower surfaces of the two sliding rods (903), and a spring (905) is fixedly installed between the connecting plate (904) and the mounting piece (901).

2. A multiphase high efficiency dc converter according to claim 1, wherein: the air guide cover (6) comprises a baffle (601) fixed on the upper surfaces of the first radiating fins (2) and the second radiating fins (4), a downwardly extending surrounding frame (602) is fixed at the edge position of the baffle (601), the side walls of the first radiating fins (2) and the second radiating fins (4) are arranged on the inner side of the surrounding frame (602), and a through hole (603) penetrating through the fan (3) is formed in the middle of the baffle (601).

3. A multiphase high efficiency dc converter as recited in claim 2, wherein: and a fourth radiating fin (604) is fixed on the upper surface of the baffle (601).

4. A multiphase high efficiency dc converter according to claim 1, wherein: and the bottom of the shell (1) is provided with five radiating fins (7).

5. A multiphase high efficiency dc converter according to claim 1, wherein: one end of the mounting piece (901) is provided with a mounting hole (906).

6. A multiphase high efficiency dc converter as recited in claim 1, wherein: a gasket (907) is fixed on the upper surface of the L-shaped elastic metal sheet (902).