CN215072175U - Low-voltage rectifier module - Google Patents

Abstract

The utility model discloses a low pressure rectifier module, including lower casing, the top of casing is fixed with last casing down, go up the embedding on the casing and install the heat absorption seat, the inside swing joint of heat absorption seat has low pressure rectifier circuit board, the bottom wall connection of support column and lower casing is passed through at four turnings of low pressure rectifier circuit board, the input of low pressure rectifier circuit board and the input line connection who passes down the casing, the output of low pressure rectifier circuit board and the output line connection who passes down the casing, the top of heat absorption seat distributes and has a plurality of heat conduction post, a plurality of umbrella-shaped fin is installed to the equidistance on the heat conduction post. The utility model discloses novel structure, think about ingeniously, distribute the external environment through the temperature that umbrella-type fin produced low pressure rectifier circuit board work, can effectively promote low pressure rectifier circuit board's radiating efficiency, reduce low pressure rectifier circuit board's operating temperature, promote low pressure rectifier circuit board's life.

Description

Low-voltage rectifier module

Technical Field

The utility model relates to a rectifier module technical field specifically is a low pressure rectifier module.

Background

The rectifier module functions simply as a device for converting Alternating Current (AC) into Direct Current (DC). It has two main functions: firstly, Alternating Current (AC) is changed into Direct Current (DC), and the DC is supplied to a load after being filtered or is supplied to an inverter; and secondly, supplying charging voltage to the storage battery. Thus, it also functions as a charger.

The low-voltage rectifier module in the prior art is easy to generate high temperature after long-time work, and the high-temperature work influences the service life of the low-voltage rectifier module and can cause local part burning. Therefore, it is necessary to design a low voltage rectifier module.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a low pressure rectifier module, the utility model discloses novel structure thinks about ingeniously, distributes the external environment through the temperature that umbrella-type fin produced low pressure rectifier circuit board work, can effectively promote low pressure rectifier circuit board's radiating efficiency, reduces low pressure rectifier circuit board's operating temperature, promotes low pressure rectifier circuit board's life.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low pressure rectifier module, includes lower casing, the top of casing is fixed with the casing down, go up the embedding on the casing and install the heat absorption seat, the inside swing joint of heat absorption seat has low pressure rectifier circuit board, four turnings of low pressure rectifier circuit board pass through the support column and the bottom inner wall connection of casing down, the input of low pressure rectifier circuit board and the input line connection who passes casing down, the output of low pressure rectifier circuit board and the output line connection who passes casing down, the top of heat absorption seat distributes and has a plurality of heat conduction post, a plurality of umbrella-shaped fin is installed to the equidistant of heat conduction post.

Preferably, a protective cover is fixed to the top of the upper shell, and a plurality of radiating grooves are formed in the periphery of the protective cover.

Preferably, the inside joint of radiating groove is fixed with dustproof filter screen.

Preferably, clamping grooves are formed in the periphery of the upper shell, and clamping blocks matched with the clamping grooves are installed on the inner wall of the bottom of the protective cover.

Preferably, the supporting column comprises a telescopic column, a top block and a supporting spring;

the fixed flexible post of casing bottom inner wall supports four turning positions departments at low pressure rectifier circuit board through the kicking block on top down, cup joint on the flexible post and be fixed with supporting spring.

The utility model has the advantages that:

1. the temperature generated by the operation of the low-voltage rectifier circuit board is dissipated to the external environment through the umbrella-shaped radiating fins, so that the radiating efficiency of the low-voltage rectifier circuit board can be effectively improved, the operating temperature of the low-voltage rectifier circuit board is reduced, and the service life of the low-voltage rectifier circuit board is prolonged;

2. through the cooperation of the telescopic columns and the supporting springs, the low-voltage rectifier circuit board is elastically fixed inside the heat absorption seat, the elastic buffering effect can be achieved, external impact force is relieved, and the low-voltage rectifier circuit board is protected.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic diagram of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the sectional plan structure of the lower housing of the present invention;

FIG. 3 is a schematic view of the plane structure of the support column of the present invention;

FIG. 4 is a schematic view of a cross-sectional plane structure of the protective cover of the present invention;

reference numbers in the figures: 1. a lower housing; 2. an input line; 3. an output line; 4. a protective cover; 5. a heat sink; 6. a dustproof filter screen; 7. a support pillar; 8. a low-voltage rectifier circuit board; 9. a heat absorbing seat; 10. an upper housing; 11. a heat-conducting column; 12. an umbrella-shaped heat radiating fin; 13. a card slot; 14. a telescopic column; 15. a top block; 16. a support spring; 17. and (7) clamping blocks.

Detailed Description

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

The low-voltage rectifier module in the prior art is easy to generate high temperature after long-time work, and the high-temperature work influences the service life of the low-voltage rectifier module and can cause local part burning.

Example one

Given by fig. 1 and fig. 2, the utility model provides the following technical solutions: a low-voltage rectifier module comprises a lower shell 1, an upper shell 10 is fixed at the top of the lower shell 1, a heat absorption seat 9 is embedded in the upper shell 10, a low-voltage rectifier circuit board 8 is movably connected inside the heat absorption seat 9, four corners of the low-voltage rectifier circuit board 8 are connected with the inner wall of the bottom of the lower shell 1 through support columns 7, the input end of the low-voltage rectifier circuit board 8 is connected with an input line 2 penetrating through the lower shell 1, the output end of the low-voltage rectifier circuit board 8 is connected with an output line 3 penetrating through the lower shell 1, a plurality of heat conduction columns 11 are distributed on the top of the heat absorption seat 9, a plurality of umbrella-shaped heat dissipation fins 12 are arranged on the heat conduction columns 11 at equal distances, the heat generated during the operation of the low-voltage rectifier circuit board 8 can be absorbed by the heat absorption seat 9, transmitted to the umbrella-shaped heat dissipation fins 12 through the heat conduction columns 11 and dissipated to the external environment through the umbrella-shaped heat dissipation fins 12, and the heat dissipation efficiency of the low-voltage rectifier circuit board 8 can be effectively improved, the working temperature of the low-voltage rectifier circuit board 8 is reduced, and the service life of the low-voltage rectifier circuit board 8 is prolonged.

Example two

In the first embodiment, if the umbrella-shaped heat sink 12 is directly exposed to the external environment and is easily damaged, referring to fig. 1, 2 and 4, as another preferred embodiment, the difference from the first embodiment is that a protective cover 4 is fixed on the top of the upper housing 10, and a plurality of heat dissipation grooves 5 are formed around the protective cover 4.

Preferably, the dustproof filter screen 6 is clamped and fixed inside the heat dissipation groove 5, and the dust can be prevented from entering the protective cover 4 through the heat dissipation groove 5 and adhering to the umbrella-shaped heat dissipation fins 12 through the arranged dustproof filter screen 6, so that the heat dissipation efficiency of the umbrella-shaped heat dissipation fins 12 is affected.

Preferably, the clamping grooves 13 are formed in the periphery of the upper shell 10, the clamping blocks 17 matched with the clamping grooves 13 for use are installed on the inner wall of the bottom of the protective cover 4, the protective cover 4 is fixed on the upper shell 10 through the clamping blocks 17 and the clamping grooves 13 in a matched mode, the fixing stability is good, the umbrella-shaped radiating fins 12 can be protected, and normal heat dissipation of the umbrella-shaped radiating fins 12 cannot be affected through the arranged radiating grooves 5.

EXAMPLE III

In the first embodiment, the low-voltage rectifier circuit board 8 is in rigid contact with the heat absorber 9, and the low-voltage rectifier circuit board 8 is easily damaged by impact, referring to fig. 2 and 3, as another preferred embodiment, the difference from the first embodiment is that the support column 7 comprises a telescopic column 14, a top block 15 and a support spring 16;

the fixed flexible post 14 of lower casing 1 bottom inner wall supports four turning positions departments at low pressure rectifier circuit board 8 through the kicking block 15 on top, cup joints on the flexible post 14 and is fixed with supporting spring 16, through the flexible post 14 and the supporting spring 16 cooperation that set up, fixes low pressure rectifier circuit board 8 elasticity in the inside of heat absorption seat 9, can play the elastic buffer effect, alleviates external impact force, protects low pressure rectifier circuit board 8.

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 (5)

1. A low-voltage rectifier module comprises a lower shell (1), and is characterized in that: the top of casing (1) is fixed with casing (10) down, go up casing (10) and go up the embedding and install heat absorption seat (9), the inside swing joint of heat absorption seat (9) has low pressure rectifier circuit board (8), four turnings of low pressure rectifier circuit board (8) are passed through support column (7) and are connected with the bottom inner wall of casing (1) down, the input of low pressure rectifier circuit board (8) is connected with input line (2) of passing casing (1) down, the output of low pressure rectifier circuit board (8) is connected with output line (3) of passing casing (1) down, the top of heat absorption seat (9) distributes and has a plurality of heat conduction post (11), a plurality of umbrella-shaped fin (12) are installed to heat conduction post (11) equidistance.

2. A low-voltage rectifier module according to claim 1, wherein: the top of going up casing (10) is fixed with protection casing (4), a plurality of radiating groove (5) have been seted up around protection casing (4).

3. A low-voltage rectifier module according to claim 2, wherein: and a dustproof filter screen (6) is clamped and fixed in the heat dissipation groove (5).

4. A low-voltage rectifier module according to claim 2, wherein: clamping grooves (13) are formed in the periphery of the upper shell (10), and clamping blocks (17) matched with the clamping grooves (13) in use are installed on the inner wall of the bottom of the protective cover (4).

5. A low-voltage rectifier module according to claim 1, wherein: the supporting column (7) comprises a telescopic column (14), a top block (15) and a supporting spring (16);

the telescopic column (14) fixed on the inner wall of the bottom of the lower shell (1) is supported at four corner positions of the low-voltage rectifier circuit board (8) through a top block (15) at the top end, and a support spring (16) is fixedly sleeved on the telescopic column (14).

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