CN221632555U - Multi-pin power module - Google Patents

Abstract

The utility model discloses a multi-pin power module, which comprises a power module, wherein pins are fixedly arranged on the left side and the right side of the outer surface of the lower end of the power module, heat conduction packaging glue is packaged on the outer surface of the upper end of the power module, a heat dissipation fin is adhered on the outer surface of the upper end of the heat conduction packaging glue, a heat dissipation shell component is fixedly arranged on the upper part of the power module, the heat dissipation shell component comprises a shell, a sealing plate, an air inlet, a filter screen, an exhaust fan and a guide plate, the shell is fixedly arranged on the outer surface of the upper end of the power module, the sealing plate is fixedly arranged on the outer surface of the upper end of the shell, and the air inlet is formed in the outer surface of one end of the shell. According to the multi-pin power module, the heat generated by the power module is conveniently led out through the arranged heat conducting packaging adhesive and the radiating fins, and the air channel formed by the radiating shell component is parallel to the fins in the radiating fins through the arranged radiating shell component, so that the radiating performance is conveniently improved.

Description

Multi-pin power module

Technical Field

The utility model relates to the technical field of multi-pin power modules, in particular to a multi-pin power module.

Background

The power module is an advanced hybrid integrated power component taking IGBT as a core, and consists of a high-speed low-power consumption tube core (IGBT), an optimized gate electrode driving circuit and a rapid protection circuit,

In the prior art, a Chinese patent document with the publication number of CN217158172U describes a multi-pin power module device for a servo system, wherein the power module device can blow external cold air to a working power module body through the working of a cooling fan to rapidly dissipate heat of the power module body, so that the power module body has a rapid heat dissipation function,

The fan is directly arranged to blow the wind to the power module, and because the installation shell for fixing the fan is fixed on the outer surface of the upper end of the power module, the wind blown to the power module is difficult to be discharged, a stable heat dissipation air duct cannot be formed, the heat dissipation efficiency is reduced, and the heat of the power module is difficult to be led out.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a multi-pin power module which has the advantages of heat conduction structure, heat dissipation improvement and the like, and can effectively solve the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a many pins power module, includes power module, power module's lower extreme surface left and right sides fixed mounting has the pin, power module's upper end surface encapsulation has heat conduction encapsulation to glue, heat conduction encapsulation glues upper end surface bonding has radiating fin, power module's upper portion fixed mounting has the heat dissipation shell subassembly, the heat dissipation shell subassembly includes casing, shrouding, air inlet, filter screen, exhaust fan and guide plate, just casing fixed mounting is in power module's upper end surface.

Preferably, the sealing plate is fixedly arranged on the outer surface of the upper end of the shell.

Preferably, the air inlet is formed in the outer surface of one end of the shell, and the filter screen is fixedly arranged in the air inlet.

Preferably, the number of the exhaust fans is three, and the three exhaust fans are fixedly arranged on the outer surface of the other end of the shell.

Preferably, the guide plates are fixedly arranged on the left side and the right side of the inner cavity of the shell, which are close to one end of the exhaust fan.

Preferably, the air channel generated by the exhaust fan during operation is parallel to the fin direction in the radiating fin.

(III) beneficial effects

Compared with the prior art, the utility model provides a multi-pin power module, which has the following beneficial effects:

1. according to the multi-pin power module, the heat generated by the power module is conveniently led out through the arranged heat conduction packaging adhesive and the heat radiating fins.

2. According to the multi-pin power module, the heat dissipation shell assembly is arranged, the air channel formed by the heat dissipation shell assembly is parallel to the fins in the heat dissipation fins, and therefore heat dissipation performance is improved conveniently.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a multi-pin power module according to the present utility model.

Fig. 2 is a schematic diagram of a partial structure of a multi-pin power module according to the present utility model.

Fig. 3 is a schematic structural diagram of a power module in a multi-pin power module according to the present utility model.

Fig. 4 is a schematic structural diagram of a heat dissipation case assembly in a multi-pin power module according to the present utility model.

In the figure: 1. a power module; 2. pins; 3. a heat dissipation shell assembly; 4. a thermally conductive encapsulation adhesive; 5. a heat radiation fin; 6. a housing; 7. a sealing plate; 8. an air inlet; 9. a filter screen; 10. an exhaust fan; 11. and a deflector.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

The embodiment is a multi-pin power module.

As shown in fig. 1-4, the power module comprises a power module 1, pins 2 are fixedly arranged on the left side and the right side of the outer surface of the lower end of the power module 1, a heat conducting encapsulation adhesive 4 is encapsulated on the outer surface of the upper end of the power module 1, a heat radiating fin 5 is adhered on the outer surface of the upper end of the heat conducting encapsulation adhesive 4, a heat radiating shell assembly 3 is fixedly arranged on the upper portion of the power module 1, the heat radiating shell assembly 3 comprises a shell 6, a sealing plate 7, an air inlet 8, a filter screen 9, an exhaust fan 10 and a guide plate 11, and the shell 6 is fixedly arranged on the outer surface of the upper end of the power module 1.

The sealing plate 7 is fixedly arranged on the outer surface of the upper end of the shell 6; the air inlet 8 is formed in the outer surface of one end of the shell 6, and the filter screen 9 is fixedly arranged in the air inlet 8; the number of the exhaust fans 10 is three, and the three exhaust fans 10 are fixedly arranged on the outer surface of the other end of the shell 6; the guide plates 11 are fixedly arranged on the left side and the right side of one end, close to the exhaust fan 10, of the inner cavity of the shell 6; the air channel generated by the exhaust fan 10 when working is parallel to the fin direction in the radiating fin 5.

It should be noted that the present utility model is a multi-pin power module, where the power module 1 and the pin 2 described herein belong to the prior art, and can be effectively known to those skilled in the art, and detailed descriptions thereof are omitted. The upper portion encapsulation at power module 1 has heat conduction encapsulation to glue 4, install radiating fin 5 in the upper portion of heat conduction encapsulation to glue 4, through the heat conduction encapsulation that sets up glue 4 and radiating fin 5, be convenient for with the heat that power module 1 produced out, the heat dissipation shell subassembly 3 of setting, through the operation of exhaust fan 10, external fresh air gets into through air inlet 8, discharge through exhaust fan 10, form stable wind channel, and the wind channel is parallel with fin in radiating fin 5, reduce the windage, improve radiating efficiency, through the filter screen 9 of setting, be convenient for filter the air that enters into casing 6 inside, avoid the dust to enter into the inside of casing 6 after the adhesion influence the heat conductivity of radiating fin 5 at the outer wall of radiating fin 5, through the guide plate 11 of setting, can lead air, reduce the windage, further improve the thermal diffusivity.

It should be noted that in this document, relational terms such as first and second (first and second), and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. The utility model provides a many pins power module, includes power module (1), the left and right sides fixed mounting of power module (1) lower extreme surface has pin (2), its characterized in that: the heat-conducting packaging glue (4) is packaged on the outer surface of the upper end of the power module (1), the heat-conducting fins (5) are adhered on the outer surface of the upper end of the heat-conducting packaging glue (4), the heat-radiating shell component (3) is fixedly installed on the upper portion of the power module (1), the heat-radiating shell component (3) comprises a shell (6), a sealing plate (7), an air inlet (8), a filter screen (9), an exhaust fan (10) and a guide plate (11), and the shell (6) is fixedly installed on the outer surface of the upper end of the power module (1).

2. A multi-pin power module as claimed in claim 1, wherein: the sealing plate (7) is fixedly arranged on the outer surface of the upper end of the shell (6).

3. A multi-pin power module as claimed in claim 2, wherein: the air inlet (8) is formed in the outer surface of one end of the shell (6), and the filter screen (9) is fixedly arranged in the air inlet (8).

4. A multi-pin power module according to claim 3, wherein: the number of the exhaust fans (10) is three, and the three exhaust fans (10) are fixedly arranged on the outer surface of the other end of the shell (6).

5. The multi-pin power module of claim 4, wherein: the guide plate (11) is fixedly arranged on the left side and the right side of one end, close to the exhaust fan (10), of the inner cavity of the shell (6).

6. The multi-pin power module of claim 5, wherein: the air channel generated by the exhaust fan (10) during operation is parallel to the fin direction in the radiating fin (5).