CN215186438U

CN215186438U - Power module and inversion power unit

Info

Publication number: CN215186438U
Application number: CN202121530475.3U
Authority: CN
Inventors: 张昌利; 张涵; 金镇亨
Original assignee: Weixing International Semiconductor Shenzhen Co ltd
Current assignee: Weixing International Semiconductor Shenzhen Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-14
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses a power module and contravariant power unit, which comprises a housin, the internally mounted of casing has the chip, input terminal is installed to outer wall one side of casing, output terminal is installed to the outer wall opposite side of casing, a plurality of control terminal is installed at the top of casing, control terminal, output terminal and input terminal all are connected with the chip, the spout has been seted up to the bilateral symmetry of casing, the inside sliding connection of spout has the slider, top one side of slider connects soon and is fixed with a holding screw, the positioning seat is installed to the top opposite side of slider. The utility model discloses novel structure, the design is ingenious, through the tight screw in the top of the pine of unscrewing, makes the slider freely remove in the inside of spout, conveniently realizes the free regulation to the positioning seat position, makes it can satisfy different installation demands, promotes the convenience of using greatly.

Description

Power module and inversion power unit

Technical Field

The utility model relates to an contravariant power unit technical field specifically is a power module and contravariant power unit.

Background

The power module is formed by combining power electronic devices according to a certain function and then encapsulating the power electronic devices into a module. The power density is required to be high, the reliability is high, the high temperature application is required, the application is convenient, and the like.

Traditional contravariant power unit comprises a plurality of power module, but power module's positioning seat is all fixed, can not satisfy different installation demands. Therefore, it is necessary to design a power module and an inverter power unit.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a power module and contravariant power unit, the utility model discloses novel structure thinks about ingeniously, through the tight screw in the spiral shell elasticity top, makes the slider freely remove in the inside of spout, conveniently realizes freely adjusting to the positioning seat position, makes it can satisfy different installation demands, promotes the convenience of using greatly.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power module, includes the casing, the internally mounted of casing has the chip, input terminal is installed to outer wall one side of casing, output terminal is installed to the outer wall opposite side of casing, a plurality of control terminal is installed at the top of casing, control terminal, output terminal and input terminal all are connected with the chip, the spout has been seted up to the bilateral symmetry of casing, the inside sliding connection of spout has the slider, top one side of slider connects soon and is fixed with a holding screw, the positioning seat is installed to the top opposite side of slider.

Preferably, the control terminal, the output terminal and the input terminal are all quick connectors.

Preferably, the chip is fixed on a heat absorption seat on the inner wall of the bottom of the shell, a plurality of heat conduction columns penetrating through the shell are installed at the bottom of the heat absorption seat, heat dissipation holes are formed in the centers of the bottoms of the heat conduction columns, and a plurality of radiating fins are distributed inside the heat dissipation holes.

Preferably, the outer side of the chip is fixedly sleeved with a threaded seat, and the threaded seat is screwed and fixed on the top of the heat absorption seat.

Preferably, a plurality of heat dissipation columns are arranged on two sides of the chip inside the shell, and heat absorption sheets are fixed on the heat dissipation columns.

An inverter power unit comprising the power module of any one of the above, wherein a plurality of the power modules are connected in parallel.

The utility model has the advantages that:

1. the top screw is loosened, so that the sliding block can freely move in the sliding groove, the position of the positioning seat can be conveniently and freely adjusted, different mounting requirements can be met, and the use convenience is greatly improved;

2. the heat dissipation is rapidly performed through the heat dissipation fins in the heat dissipation holes, so that the working temperature of the chip can be reduced, and the service life of the chip is prolonged;

3. when the chip works, the temperature emitted into the shell is absorbed by the heat absorption sheet and is emitted into the external environment through the heat dissipation column, and the heat dissipation performance is further improved;

4. the inversion power unit is formed by connecting a plurality of power modules in parallel, can be freely replaced and is convenient to maintain.

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 a three-dimensional structure of a power module according to the present invention;

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

fig. 3 is a schematic bottom plan view of the power module of the present invention;

reference numbers in the figures: 1. a housing; 2. a control terminal; 3. an output terminal; 4. an input terminal; 5. jacking the screw tightly; 6. a slider; 7. positioning seats; 8. a chute; 9. a chip; 10. a threaded seat; 11. a heat absorbing seat; 12. a heat-conducting column; 13. a heat-dissipating column; 14. a heat absorbing sheet; 15. heat dissipation holes; 16. and a heat sink.

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.

Example one

Given by fig. 1 and fig. 2, the utility model provides the following technical solutions: the utility model provides a power module, which comprises a housin 1, the internally mounted of casing 1 has chip 9, input terminal 4 is installed to the outer wall one side of casing 1, output terminal 3 is installed to the outer wall opposite side of casing 1, a plurality of control terminal 2 is installed at the top of casing 1, control terminal 2, output terminal 3 and input terminal 4 all are connected with chip 9, spout 8 has been seted up to the bilateral symmetry of casing 1, spout 8's inside sliding connection has slider 6, top one side of slider 6 connects soon and is fixed with top tighting screw 5, positioning seat 7 is installed to slider 6's top opposite side, through loosening top tighting screw 5 soon, make slider 6 can freely remove in the inside of spout 8, conveniently realize the free regulation to positioning seat 7 positions, make it can satisfy different installation demands, promote the convenience of using greatly.

Preferably, the control terminal 2, the output terminal 3 and the input terminal 4 are all quick connectors, and the connection and the disconnection are quick.

Preferably, the chip 9 is fixed on the heat absorption seat 11 of the inner wall of the bottom of the casing 1, the heat conduction column 12 that a plurality of passed the casing 1 is installed to the bottom of the heat absorption seat 11, the heat dissipation hole 15 has been seted up at the bottom center of the heat conduction column 12, a plurality of fin 16 has been distributed to the inside of heat dissipation hole 15, the heat of chip 9 work is absorbed by the heat absorption seat 11, transmit to the heat conduction column 12 on, the fin 16 through the inside of heat dissipation hole 15 dispels the heat fast, can reduce the operating temperature of chip 9, promote the life of chip 9.

Preferably, the outer side of the chip 9 is fixedly sleeved with a threaded seat 10, and the threaded seat 10 is screwed and fixed on the top of the heat absorbing seat 11, so that the chip 9 can be conveniently and quickly positioned.

Preferably, a plurality of heat dissipation columns 13 are arranged on two sides of the chip 9 inside the shell 1, heat absorption sheets 14 are fixed on the heat dissipation columns 13, the chip 9 works, the temperature dissipated into the shell 1 is absorbed by the heat absorption sheets 14, and the temperature is dissipated into the external environment through the heat dissipation columns 13, so that the heat dissipation performance is further improved.

Example two

An inversion power unit, comprising a plurality of power modules as claimed in any one of claims 1 to 5, wherein the plurality of power modules are connected in parallel, and the inversion power unit is composed of a plurality of power modules which are connected in parallel, can be freely replaced, and is convenient to maintain.

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 power module comprising a housing (1), characterized in that: the utility model discloses a chip mounting structure, including casing (1), a plurality of control terminal (2), output terminal (3) and input terminal (4), the internally mounted of casing (1) has chip (9), input terminal (4) are installed to outer wall one side of casing (1), output terminal (3) are installed to the outer wall opposite side of casing (1), a plurality of control terminal (2) are installed at the top of casing (1), control terminal (2), output terminal (3) and input terminal (4) all are connected with chip (9), spout (8) have been seted up to the bilateral symmetry of casing (1), the inside sliding connection of spout (8) has slider (6), top one side of slider (6) connects soon and is fixed with top tight screw (5), positioning seat (7) are installed to the top opposite side of slider (6).

2. A power module according to claim 1, characterized in that: the control terminal (2), the output terminal (3) and the input terminal (4) are all quick connectors.

3. A power module according to claim 1, characterized in that: the chip (9) is fixed on a heat absorption seat (11) of the inner wall of the bottom of the shell (1), a plurality of heat conduction columns (12) penetrating through the shell (1) are installed at the bottom of the heat absorption seat (11), heat dissipation holes (15) are formed in the centers of the bottoms of the heat conduction columns (12), and a plurality of heat dissipation fins (16) are distributed in the heat dissipation holes (15).

4. A power module according to claim 3, characterized in that: the outer side of the chip (9) is fixedly sleeved with a threaded seat (10), and the threaded seat (10) is screwed and fixed to the top of the heat absorption seat (11).

5. A power module according to claim 3, characterized in that: a plurality of heat dissipation columns (13) are arranged on two sides of the chip (9) in the shell (1), and heat absorption sheets (14) are fixed on the heat dissipation columns (13).

6. An inverter power unit comprising a plurality of power modules according to any one of claims 1 to 5, wherein the plurality of power modules are connected in parallel.