CN217563509U

CN217563509U - Novel DCDC isolation power converter

Info

Publication number: CN217563509U
Application number: CN202220098268.3U
Authority: CN
Inventors: 赵光黎; 翟砀丰
Original assignee: Nanjing Qianruida Electric Technology Co ltd
Current assignee: Nanjing Qianruida Electric Technology Co ltd
Priority date: 2022-01-14
Filing date: 2022-01-14
Publication date: 2022-10-11
Anticipated expiration: 2032-01-14

Abstract

The utility model discloses a novel DCDC keeps apart power converter, including upper cover plate, casing and lower apron, the upper cover plate is fixed respectively in the upper and lower both sides of casing with lower apron: the heat dissipation device comprises a shell, and is characterized in that a bearing plate is arranged in the shell, a printed circuit board is arranged on the bearing plate, an elastically telescopic heat dissipation assembly is movably connected in the shell, an adjusting assembly is arranged on the shell, and the adjusting assembly drives the heat dissipation assembly to move out of or into an inner cavity of the shell. The utility model discloses in, this power converter is through the radiator unit of the scalable removal that sets up, and the area is exposed to the heat radiation structure of regulation radiator unit that can be free and nimble, and the real-time radiating demand that satisfies the inside different temperature heats of power converter ensures that the heat in the power converter can be fast and comprehensive scatter and disappear away, and the effectual radiating effect that improves power converter has ensured power converter's job stabilization.

Description

Novel DCDC isolation power converter

Technical Field

The utility model relates to an electric elements technical field especially relates to a novel DCDC keeps apart power converter.

Background

The DCDC power converter may convert a direct current voltage to a lower or higher value direct current voltage. The connector assembly of the DCDC power converter is used for providing an interface for a wire harness of the whole vehicle, the interface mainly comprises 5 parts of a 48V terminal, a 12V terminal, a grounding terminal, a wiring stud and a signal plug, and the connector assembly mainly realizes conversion of voltage and current. The method is widely applied to the fields of renewable energy sources, power systems, traffic, aerospace, computers and communication, household appliances, national defense and military industry, industrial control and the like.

Chinese patent publication No.: CN213637490U discloses "a DCDC power converter", which includes: the shell assembly comprises an upper cover plate and a shell, and the upper cover plate is detachably arranged on the shell; a printed circuit board mounted within the housing assembly; the busbar is fixed on the back of the printed circuit board so as to reduce the height of the busbar, and one side of the busbar, which is far away from the printed circuit board, is a shell.

The existing DCDC power converter usually adopts a radiating fin structure during heat radiation, but most radiating fin structures are relatively fixed in position, and the structural positions of the radiating fins cannot be adjusted, so that the heat radiation area of the radiating fins is relatively fixed, and the heat radiation effect is limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can freely adjust heat radiation structure's heat radiating area, improve the novel DCDC isolated power converter of radiating efficiency.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a novel DCDC keeps apart power converter, includes upper cover plate, casing and lower apron, the upper cover plate is fixed respectively in the upper and lower both sides of casing with lower apron:

a bearing plate is arranged in the shell, and a printed circuit board is arranged on the bearing plate;

an elastically telescopic heat dissipation assembly is movably connected in the shell;

the shell is provided with an adjusting assembly, and the adjusting assembly drives the heat dissipation assembly to move out of or into the inner cavity of the shell.

As a further description of the above technical solution:

and a limiting plate is arranged on the inner wall of the shell and below the printed circuit board.

As a further description of the above technical solution:

the heat dissipation assembly comprises a heat transfer plate, the top of the heat transfer plate is connected with the limiting plate through an elastic piece, and a plurality of radiating fins which penetrate through the lower cover plate and extend outwards are perpendicularly arranged at the bottom of the heat transfer plate.

As a further description of the above technical solution:

the elastic piece comprises an elastic seat arranged on the limiting plate, a spring is arranged on the inner wall of the elastic seat, and the spring is connected with the heat transfer plate through a mandril.

As a further description of the above technical solution:

also comprises an extension sheet;

the outer wall of the extension piece is provided with a flexible positioning head, and the positioning head is matched with the positioning groove in the inner wall of the radiating fin.

As a further description of the above technical solution:

the adjusting component comprises an adjusting rod screwed on the shell through threads, and a wedge-shaped block is arranged at the end part of the adjusting rod.

As a further description of the above technical solution:

and the outer wall of the shell is provided with a connector lug.

As a further description of the above technical solution:

also includes a seal assembly;

the sealing assembly comprises a sealing plate, the sealing plate is rotatably connected to the outer wall of the connector lug through a rotating shaft, and a sealing sheet is arranged on the sealing plate.

In the above technical scheme, the utility model provides a pair of novel DCDC keeps apart power converter has following beneficial effect:

this power converter is through the scalable radiating component who removes that sets up, and the radiating structure who can be free and nimble adjusts radiating component exposes the area, and the thermal heat dissipation demand of the inside different temperatures of real-time satisfied power converter ensures that the heat in the power converter can be fast and comprehensive scatters and disappears, and the effectual radiating effect that improves power converter has ensured power converter's job stabilization.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic structural diagram of a novel DCDC isolated power converter according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a housing according to an embodiment of the present invention;

fig. 3 is a schematic view of a partial structure of a joint of the housing, the heat dissipation assembly and the adjustment assembly according to an embodiment of the present invention;

fig. 4 is a schematic view of an internal structure of an elastic member according to an embodiment of the present invention;

fig. 5 is a schematic view of an internal structure of a connection portion between a heat sink and an extension piece according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a sealing assembly according to an embodiment of the present invention.

Description of reference numerals:

1. an upper cover plate; 2. a housing; 21. a support plate; 22. a printed circuit board; 23. a limiting plate; 3. a connector lug; 4. a heat dissipating component; 41. an elastic member; 411. an elastic seat; 412. a spring; 413. a top rod; 42. a heat transfer plate; 43. a heat sink; 431. positioning a groove; 44. an extension sheet; 441. positioning the head; 5. a lower cover plate; 6. a seal assembly; 61. a rotating shaft; 62. closing the plate; 63. sealing the sheet; 7. an adjustment assembly; 71. adjusting a rod; 72. a wedge block.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1 to fig. 6, a novel DCDC isolated power converter includes an upper cover plate 1, a housing 2, and a lower cover plate 5, wherein the upper cover plate 1 and the lower cover plate 5 are respectively fixed on the upper and lower sides of the housing 2:

a bearing plate 21 is arranged in the shell 2, and a printed circuit board 22 is arranged on the bearing plate 21;

an elastically telescopic heat radiation component 4 is movably connected in the shell 2;

an adjusting component 7 is arranged on the shell 2, and the adjusting component 7 drives the heat dissipation component 4 to move out of or into the inner cavity of the shell 2.

In this embodiment, after the printed circuit board 22 works for a long time, working heat is generated, at this time, heat in the housing 2 can be dissipated outwards through the heat dissipation component 4, so as to achieve the heat dissipation effect of the DCDC isolation power converter, on the other hand, the adjustment component 7 is rotated to change the amplitude of the heat entering the housing 2, so that the adjustment component 7 can drive the heat dissipation component 4 to move in the housing 2, thereby adjusting the amplitude of the heat dissipation component 4 moving out of or moving into the housing 2, changing the heat dissipation area of the heat dissipation component 4 exposed out of the housing 2, and meeting the heat dissipation requirements of different temperatures of the inside of the DCDC power converter in real time, thereby ensuring that heat in the DCDC power converter can be dissipated out quickly and comprehensively, effectively improving the heat dissipation effect of the DCDC power converter, and ensuring the working stability of the power converter.

The inner wall of the casing 2 is provided with a limiting plate 23 below the printed circuit board 22, the heat dissipation assembly 4 comprises a heat transfer plate 42, the top of the heat transfer plate 42 is connected with the limiting plate 23 through an elastic member 41, the bottom of the heat transfer plate 42 is vertically provided with a plurality of heat dissipation fins 43 which penetrate through the lower cover plate 5 and extend outwards, heat generated by the printed circuit board 22 can be firstly conducted on the heat transfer plate 42 and is transferred to the heat dissipation fins 43 through the heat transfer plate 42, so that the heat is dissipated outwards, the elastic member 41 is used for achieving the supporting effect of elastic telescopic movement of the heat transfer plate 42, and the heat dissipation fins 43 can be ensured to move telescopically.

The elastic member 41 includes an elastic seat 411 disposed on the limiting plate 23, an inner wall of the elastic seat 411 is provided with a spring 412, and the spring 412 is connected with the heat transfer plate 42 through a mandril 413, stretching and resetting operations through the spring 412 can adjust the area of the radiating fin 43 exposed outside the housing 2, and change the effective radiating area of the radiating component 4, the heat dissipation device further includes an extension sheet 44, an outer wall of the extension sheet 44 is provided with a flexible positioning head 441, the positioning head 441 is matched with a positioning groove 431 on the inner wall of the radiating fin 43, the extension sheet 44 is pulled to move in the radiating fin 43, so that the size of the overall structural area of the radiating fin 43 and the extension sheet 44 can be adjusted, further, the radiating area is adjusted, and the corresponding clamping of the positioning head 441 and the positioning groove 431 is performed, so that the position stability of the radiating fin 43 and the extension sheet 44 is improved, and the overall stability of the radiating structure is ensured.

The adjusting assembly 7 comprises an adjusting rod 71 screwed on the shell 2, a wedge block 72 is arranged at the end of the adjusting rod 71, the wedge block 72 is rotatably connected with the adjusting rod 71 through a bearing, when the adjusting rod 71 is rotated to enable the adjusting rod 71 to extend and retract in the shell 2, the adjusting rod 71 can drive the wedge block 72 to linearly move, the wedge block 72 is in contact with and extrudes the heat transfer plate 42, the heat transfer plate 42 is enabled to move after being stressed, and under the action of the elastic piece 41, all the radiating fins 43 can be enabled to synchronously and stably move out of or move into the shell 2, and free and stable adjusting operation of the radiating assembly 4 is achieved.

The outer wall of casing 2 is provided with connector lug 3, be convenient for carry out the wiring operation, still include seal assembly 6, seal assembly 6 includes shrouding 62, shrouding 62 rotates the outer wall of connection at connector lug 3 through pivot 61, be provided with gasket 63 on the shrouding 62, when the wiring, it makes its dislocation with connector lug 3 to rotate shrouding 62, when not working a telephone switchboard, it makes its and connector lug 3 coincidence to rotate shrouding 62, the gasket 63 can be embedded into the inner wall of connector lug 3 this moment, can play the effect of sealed protection to connector lug 3, avoid connector lug 3 to take place the phenomenon of polluting or damaging.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a novel DCDC keeps apart power converter, includes upper cover plate (1), casing (2) and lower apron (5), upper cover plate (1) and lower apron (5) are fixed respectively in the upper and lower both sides of casing (2), its characterized in that:

a bearing plate (21) is arranged in the shell (2), and a printed circuit board (22) is arranged on the bearing plate (21);

an elastically telescopic heat dissipation assembly (4) is movably connected in the shell (2);

the shell (2) is provided with an adjusting component (7), and the adjusting component (7) drives the heat dissipation component (4) to move out of or into the inner cavity of the shell (2).

2. The novel DCDC isolated power converter according to claim 1, wherein: and a limiting plate (23) is arranged on the inner wall of the shell (2) and below the printed circuit board (22).

3. The novel DCDC isolated power converter according to claim 1, wherein: the heat dissipation assembly (4) comprises a heat transfer plate (42), the top of the heat transfer plate (42) is connected with the limiting plate (23) through an elastic piece (41), and a plurality of heat dissipation fins (43) which penetrate through the lower cover plate (5) and extend outwards are vertically arranged at the bottom of the heat transfer plate (42).

4. The novel DCDC isolated power converter according to claim 3, wherein: the elastic piece (41) comprises an elastic seat (411) arranged on the limiting plate (23), a spring (412) is arranged on the inner wall of the elastic seat (411), and the spring (412) is connected with the heat transfer plate (42) through a top rod (413).

5. The novel DCDC isolated power converter according to claim 3, wherein: also includes an extension sheet (44);

the outer wall of the extension piece (44) is provided with a flexible positioning head (441), and the positioning head (441) is matched with a positioning groove (431) in the inner wall of the radiating fin (43).

6. The novel DCDC isolated power converter according to claim 1, wherein: the adjusting assembly (7) comprises an adjusting rod (71) screwed on the shell (2) in a threaded mode, and a wedge-shaped block (72) is arranged at the end portion of the adjusting rod (71).

7. The novel DCDC isolated power converter according to claim 1, wherein: the outer wall of the shell (2) is provided with a connector lug (3).

8. The novel DCDC isolated power converter according to claim 7, wherein: further comprising a sealing assembly (6);

the sealing assembly (6) comprises a sealing plate (62), the sealing plate (62) is rotatably connected to the outer wall of the connector lug (3) through a rotating shaft (61), and a sealing plate (63) is arranged on the sealing plate (62).