CN211557812U

CN211557812U - Thin power module with good heat dissipation effect

Info

Publication number: CN211557812U
Application number: CN201922372909.0U
Authority: CN
Inventors: 庄伟东
Original assignee: NANJING SILVERMICRO ELECTRONICS Ltd
Current assignee: NANJING SILVERMICRO ELECTRONICS Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-22
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a slim power module that radiating effect is good, which comprises an outer shell, shell bottom inner wall has the second copper through the bolt fastening, and the four corners department of second copper top outer wall all has actuating mechanism, four through the bolt fastening there is same first copper actuating mechanism top outer wall through the bolt fastening, the through-hole has all been seted up to first copper top outer wall and second copper top outer wall, and the inner wall of through-hole has all cup jointed the heat conduction pole, the vent has all been seted up to the both sides outer wall of shell, and the inner wall of two vents all has the filter screen through the bolt fastening, the both sides inner wall of shell all has the mesh board through the bolt fastening. The utility model discloses a distance between two copper is adjusted to actuating mechanism, again through the cooperation between mesh board and the heat-conducting plate, is convenient for open and shut the vent, prevents that the module is out of work dust from getting into in the shell from the vent.

Description

Thin power module with good heat dissipation effect

Technical Field

The utility model relates to a power module technical field especially relates to a slim power module that radiating effect is good.

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, and the intelligent power module is an advanced hybrid integrated power component with an IGBT (insulated gate bipolar transistor) as an inner core and consists of a high-speed low-power-consumption tube core (IGBT), an optimized gate driving circuit and a quick protection circuit. The IGBT tube cores in the IPM are all high-speed type, and the driving circuit is close to the IGBT, so that the driving delay is small, and the IPM switch has high speed and small loss. The IPM is internally integrated with a real-time detection circuit capable of continuously detecting the current and the temperature of the IGBT, and when severe overload or even direct short circuit occurs and the temperature is overheated, the IGBT is controlled to be in soft turn-off, and meanwhile, a fault signal is sent out. In addition, the IPM also has the functions of bridge arm pair tube interlocking, drive power supply under-voltage protection and the like. Although IPM is expensive, IPM has advantages of compact structure, high reliability, easy use, etc. compared with a simple IGBT due to integrated driving and protection functions.

When the power module works, the electric elements in the module generate a large amount of heat which needs to be timely conducted out, otherwise, the normal work of the electric elements is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the slim power module that a radiating effect is good that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a thin power module with good heat dissipation effect comprises a shell, wherein a second copper plate is fixed on the inner wall of the bottom of the shell through a bolt, and the four corners of the outer wall of the top of the second copper plate are all fixed with driving mechanisms through bolts, the outer walls of the tops of the four driving mechanisms are fixed with the same first copper plate through bolts, the outer wall of the top of the first copper plate and the outer wall of the top of the second copper plate are both provided with through holes, the inner walls of the through holes are sleeved with heat conducting rods, the outer walls of the two sides of the shell are provided with ventilation openings, and the inner walls of the two ventilation openings are all fixed with filter screens through bolts, the inner walls of the two sides of the shell are all fixed with mesh plates through bolts, the two sides of the outer wall of one side of the two mesh plates opposite to each other are both provided with chutes, and the inner walls of the four sliding chutes are distributed and slidably connected with two heat-conducting plates, and the outer walls of the two heat-conducting plates are provided with round openings distributed equidistantly.

Preferably, two the heat-conducting plate's one side outer wall all has the heat pipe through the bolt fastening, and the one end of four heat pipes all cup joints on the heat conduction pole.

Preferably, the two sides of the inner wall of one side of the shell are both fixed with electric telescopic rods through bolts, and the output shafts of the two electric telescopic rods are respectively connected to the two heat conducting plates.

Preferably, the outer wall of the top of the shell is respectively provided with a control panel and a terminal strip.

Preferably, the driving mechanism comprises a mounting sleeve, and the inner wall of the mounting sleeve is slidably connected with a supporting column.

Preferably, the bottom inner wall of the mounting sleeve is fixed with an electromagnet through a bolt, the same spring is connected between the electromagnet and the support column, and the outer wall of the bottom of the support column is provided with a magnet.

Preferably, the electric telescopic rod and the electromagnet are connected with a switch through a lead, and the switch is connected with a controller through a lead.

The utility model has the advantages that:

this slim power module that radiating effect is good sets up two copper through the inner wall in shell bottom, adjusts the distance between two copper through actuating mechanism, again through the cooperation between mesh board and the heat-conducting plate, is convenient for open and shut the vent, prevents that the module is out of work in the dust gets into the shell from the vent, is convenient for dispel the heat on the heat-conducting plate through the cooperation between copper and the heat-conducting plate again with the heat transfer on the copper.

Drawings

Fig. 1 is a schematic top view of a thin power module with good heat dissipation effect according to the present invention;

fig. 2 is a schematic view of a top-down structure of a thin power module with a good heat dissipation effect according to the present invention;

fig. 3 is a schematic side sectional structure view of a thin power module with a good heat dissipation effect.

In the figure: the device comprises a shell 1, a control panel 2, a terminal block 3, a first copper plate 4, a filter screen 5, a mesh plate 6, a heat conducting plate 7, an electric telescopic rod 8, a heat conducting pipe 9, a driving mechanism 10, a second copper plate 11 and a heat conducting rod 12.

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.

Referring to fig. 1-3, a thin power module with good heat dissipation effect comprises a housing 1, a second copper plate 11 is fixed on the inner wall of the bottom of the housing 1 through bolts, driving mechanisms 10 are fixed on the four corners of the outer wall of the top of the second copper plate 11 through bolts, the same first copper plate 4 is fixed on the outer walls of the tops of the four driving mechanisms 10 through bolts, through holes are respectively arranged on the outer walls of the tops of the first copper plate 4 and the second copper plate 11, heat conducting rods 12 are respectively sleeved on the inner walls of the through holes, vents are respectively arranged on the outer walls of the two sides of the housing 1, filter screens 5 are respectively fixed on the inner walls of the two vents through bolts, mesh plates 6 are respectively fixed on the inner walls of the two sides of the housing 1 through bolts, sliding grooves are respectively arranged on the two sides of the outer wall of the opposite side of the two mesh plates 6, the inner walls of the four sliding grooves, one side outer wall of two heat-conducting plates 7 all has heat pipe 9 through the bolt fastening, and the one end of four heat pipe 9 all cup joints on heat-conducting rod 12, the both sides of 1 one side inner wall of shell all have electric telescopic handle 8 through the bolt fastening, and two electric telescopic handle 8's output shaft is connected respectively on two heat-conducting plates 7, 1 top outer wall of shell is provided with control panel 2 and terminal row 3 respectively, actuating mechanism 10 includes the installation cover, and the inner wall sliding connection of installation cover has the support column, the bottom inner wall of installation cover has the electro-magnet through the bolt fastening, and be connected with same spring between electro-magnet and the support column, support column bottom outer wall is provided with magnet, electric telescopic handle 8 and electro-magnet are connected with the switch through the wire.

The working principle is as follows: during the use, when power module during operation electric telescopic handle 8 promotes heat-conducting plate 7 and slides on mesh board 6, makes through-hole and the mesh board 6 mesh hole on the heat-conducting plate 7 coincide, and then makes the formation air convection in the shell 1, takes away the heat of shell 1, through heat pipe 9 with heat transfer to heat-conducting plate 7 on the copper, take away the heat through the mode that the air flows.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A thin power module with good heat dissipation effect comprises a shell (1) and is characterized in that a second copper plate (11) is fixed on the inner wall of the bottom of the shell (1) through bolts, driving mechanisms (10) are fixed at four corners of the outer wall of the top of the second copper plate (11) through bolts, the same first copper plate (4) is fixed on the outer wall of the top of the four driving mechanisms (10) through bolts, through holes are formed in the outer wall of the top of the first copper plate (4) and the outer wall of the top of the second copper plate (11), heat conducting rods (12) are sleeved on the inner walls of the through holes, ventilation openings are formed in the outer walls of two sides of the shell (1), filter screens (5) are fixed on the inner walls of two sides of the shell (1) through bolts, mesh plates (6) are fixed on the inner walls of two sides of the outer wall of one side opposite to the mesh plates (6), and the inner walls of the four sliding grooves are connected with two heat-conducting plates (7) in a distributed sliding manner, and round openings distributed at equal intervals are formed in the outer walls of the two heat-conducting plates (7).

2. The thin power module with good heat dissipation effect as claimed in claim 1, wherein the heat conducting pipes (9) are fixed on the outer wall of one side of each of the two heat conducting plates (7) through bolts, and one end of each of the four heat conducting pipes (9) is sleeved on the heat conducting rod (12).

3. The thin power module with good heat dissipation effect as claimed in claim 2, wherein the two sides of the inner wall of one side of the housing (1) are both fixed with electric telescopic rods (8) through bolts, and the output shafts of the two electric telescopic rods (8) are respectively connected to the two heat conducting plates (7).

4. The thin power module with good heat dissipation effect as claimed in claim 3, wherein the top outer wall of the housing (1) is provided with a control panel (2) and a terminal block (3), respectively.

5. The thin power module with good heat dissipation effect as claimed in claim 4, wherein the driving mechanism (10) comprises a mounting sleeve, and a supporting column is slidably connected to an inner wall of the mounting sleeve.

6. The thin power module with good heat dissipation effect as claimed in claim 5, wherein the bottom inner wall of the mounting sleeve is fixed with an electromagnet through a bolt, the same spring is connected between the electromagnet and the supporting column, and the bottom outer wall of the supporting column is provided with a magnet.

7. The thin power module with good heat dissipation effect as claimed in claim 6, wherein the electric telescopic rod (8) and the electromagnet are connected with a switch through a conducting wire, and the switch is connected with a controller through a conducting wire.