CN212010951U

CN212010951U - Insulating assembly of power electronic module

Info

Publication number: CN212010951U
Application number: CN202020859555.2U
Authority: CN
Inventors: 张利龙
Original assignee: Fujian Pinpai Packing Co Ltd
Current assignee: Fujian Pinpai Packing Co Ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-11-24
Anticipated expiration: 2030-05-21

Abstract

The utility model relates to a power electronic technology field just discloses a power electronic module's insulating assemblies, including first box body and top cap, the top cap passes through fastening bolt fixed the setting in the top of first box body, the fixed backup pad that is equipped with in inside of first box body, and the surface spraying of first box body has insulating paint, the last fixed surface of backup pad is equipped with power electronic module, the lower fixed surface of first box body is equipped with heat dissipation mechanism, first recess has been seted up to the bottom plate of first box body inside, the air intake has been seted up to two upper and lower lateral wall symmetries of first recess, the inside slip of first recess is equipped with the slide, the inside fixed dust screen that is equipped with first through-hole and first through-hole is seted up to the inside of slide. The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, this practicality has realized that the multi-angle is bloied, has improved the radiating effect.

Description

Insulating assembly of power electronic module

Technical Field

The utility model relates to a power electronics technical field especially relates to a power electronic module's insulating assemblies.

Background

The power electronics relates to the field of control and conversion of power supply by a semiconductor switch starting device, the appearance of semiconductor rectification control, miniaturization of semiconductor rectifiers and the like, and creates a new power electronics application field.

The heat dissipation mechanism inside the insulating assembly of the conventional power electronic module usually arranges the fan at the top of the power electronic module, which causes the problems that the heat dissipation area of the fan is limited when heat dissipation is performed, and the heat dissipation effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art radiating effect not good, in case when inside heat is too high, can influence power electronic module's normal use problem, and the insulating assembly of a power electronic module who provides.

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

the utility model provides a power electronic module's insulating assemblies, includes first box body and top cap, the top cap passes through fastening bolt fixed the setting in the top of first box body, the fixed backup pad that is equipped with in inside of first box body, and the surface spraying of first box body has insulating paint, the last fixed surface of backup pad is equipped with power electronic module, the lower fixed surface of first box body is equipped with heat dissipation mechanism, first recess has been seted up to the bottom plate of first box body is inside, the air intake has been seted up to two upper and lower lateral wall symmetries of first recess, the inside slip of first recess is equipped with the slide, the inside fixed dust screen that is equipped with of first through-hole and first through-hole is seted up to the inside of slide, the cavity has been seted up to the inside symmetry of slide, two the inside of cavity is equipped with.

Preferably, heat dissipation mechanism includes sleeve, first outlet duct and four second outlet ducts, the sleeve is fixed to be set up in the fixed bracing piece that is equipped with of inside lower surface and the inner wall of first box body, the pole wall of bracing piece is fixed and is equipped with the fan, telescopic upper surface seted up the second through-hole and with first outlet duct fixed connection, the upper end fixedly connected with second box body of first outlet duct just is linked together, four with the second box body the second outlet duct respectively with four lateral wall fixed connection of second box body and with the inside of second box body be linked together, four the pipe wall of second outlet duct inlays respectively establishes the inside of the curb plate with first box body and is linked together with the top of backup pad.

Preferably, stop gear includes spring, stopper and gag lever post, the gag lever post sets up in the inside of cavity and cup joints with the stopper is fixed, the spring cup joints with the gag lever post activity and both ends respectively with the lateral wall fixed connection of stopper and cavity, the second recess has been seted up respectively to the both sides of cavity, the slot has been seted up to the tank bottom of first recess, the gag lever post runs through corresponding second recess and pegs graft with the slot with two second recess phase-matchs and left end pole wall.

Preferably, the bar mouth has been seted up to the downside of cavity, the lateral wall fixedly connected with ejector pad of stopper, the ejector pad pass through bar mouth downwardly extending and with bar mouth sliding connection.

Preferably, a plurality of air outlets are symmetrically formed in the top cover, a threading hole is formed in the center of the top cover, and the threading hole is matched with a wire of the power electronic module.

Preferably, four corners of the lower surface of the first box body are respectively and fixedly provided with a cushion block.

Compared with the prior art, the utility model provides a power electronic module's insulating assemblies possesses following beneficial effect:

1. this power electronic module's insulating elements through setting up in the second outlet duct of four lateral walls of second box body, can be with getting into the inside gas of second box body through the top of the leading-in backup pad of four air ducts, realizes the multi-angle heat dissipation to power electronic module.

2. This power electronic module's insulating assemblies through setting up in the inside stop gear of two cavitys, can take out the clearance with the dust screen through the limiting displacement who removes stop gear when needing to clear up the dust screen.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, this practicality has realized that the multi-angle is bloied, has improved the radiating effect.

Drawings

Fig. 1 is a schematic structural diagram of an insulating assembly of a power electronic module according to the present invention;

FIG. 2 is a view taken along line A-A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 2.

In the figure: 1 first box body, 2 top caps, 3 fastening bolts, 4 backup pads, 5 power electronic modules, 6 slide boards, 7 dust screens, 8 sleeves, 9 fans, 10 first outlet ducts, 11 second outlet ducts, 12 bracing pieces, 13 second box bodies, 14 springs, 15 limiting blocks, 16 limiting rods, 17 push blocks and 18 cushion blocks.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an insulating assembly of a power electronic module comprises a first box body 1 and a top cover 2, the top cover 2 is fixedly arranged above the first box body 1 through a fastening bolt 3, a supporting plate 4 is fixedly arranged inside the first box body 1, insulating paint is sprayed on the surface of the first box body 1, a power electronic module 5 is fixedly arranged on the upper surface of the supporting plate 4, a heat dissipation mechanism is fixedly arranged on the lower surface of the first box body 1, a first groove is formed in a bottom plate of the first box body 1, air inlets are symmetrically formed in the upper side wall and the lower side wall of the first groove, a sliding plate 6 is arranged in the first groove in a sliding mode, a first through hole is formed in the sliding plate 6, a dust screen 7 is fixedly arranged in the first through hole, cavities are symmetrically formed in the sliding plate 6, and limiting mechanisms are respectively arranged in the.

The heat dissipation mechanism comprises a sleeve 8, a first air outlet pipe 10 and four second air outlet pipes 11, the sleeve 8 is fixedly arranged on the lower surface inside the first box body 1, a supporting rod 12 is fixedly arranged on the inner wall of the first box body 1, a fan 9 is fixedly arranged on the rod wall of the supporting rod 12, a second through hole is formed in the upper surface of the sleeve 8, the second through hole is fixedly connected with the first air outlet pipe 10, the upper end of the first air outlet pipe 10 is fixedly connected with a second box body 13, the second air outlet pipe 11 is respectively fixedly connected with four side walls of the second box body 13 and communicated with the inside of the second box body 13, the pipe walls of the four second air outlet pipes 11 are respectively embedded inside side plates of the first box body 1 and communicated with the upper portion of the supporting plate 4, and heat dissipation is facilitated.

Stop gear includes spring 14, stopper 15 and gag lever post 16, gag lever post 16 set up in the inside of cavity and with stopper 15 fixed cup joint, spring 14 cup joints with the 16 activity of gag lever post and both ends respectively with the lateral wall fixed connection of stopper 15 and cavity, the second recess has been seted up respectively to the both sides of cavity, the slot has been seted up to the tank bottom of first recess, gag lever post 16 runs through corresponding second recess and pegs graft with the slot with two second recess phase-matchs and left end pole wall.

The bar mouth has been seted up to the downside of cavity, and stopper 15's lateral wall fixedly connected with ejector pad 17, ejector pad 17 through bar mouth downwardly extending and with bar mouth sliding connection, be convenient for drive stopper 15 and gag lever post 16 through ejector pad 17 and move.

A plurality of exhaust vents have been seted up to the inside symmetry of top cap 2, are convenient for will get into the inside gas outgoing of first box body, and the through wires hole has been seted up at the center of top cap 2, and the through wires hole matches with power electronic module 5's wire.

Four corners of the lower surface of the first box body 1 are respectively and fixedly provided with cushion blocks 18, so that the air inlet is prevented from being shielded when the bottom of the first box body 1 is contacted with the ground or the mounting plate.

In the utility model, when in use, the fan 9 is started, when the fan 9 rotates, the external air flow is guided into the sleeve 8 and guided into the second box body 13 through the first air outlet pipe 10, after the air flow enters the second box body 13, the air flow respectively enters the upper part of the support plate 4 through the four second air outlet pipes 11, the four angles of the power electronic module 5 are simultaneously radiated, the radiating effect is improved, when the dust screen 7 needs to be replaced after long-time use, the push block 17 is pushed, the push block 17 drives the limit block 15 to move, the limit block 15 drives the limit rod 16 to move, the limit rod 16 moves out from the inner part of the slot while moving, the dust screen 7 is taken out through the slide plate 6, the dust screen 7 is convenient to be cleaned, when the dust screen 7 is installed, the spring 14 pushes the limit block 15 through the self elasticity, the limit block 15 drives the limit rod 16 to be inserted into the slot, the sliding plate 6 is limited, and the position of the dustproof net 7 is kept fixed.

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. An insulating assembly of a power electronic module comprises a first box body (1) and a top cover (2), and is characterized in that the top cover (2) is fixedly arranged above the first box body (1) through a fastening bolt (3), a supporting plate (4) is fixedly arranged inside the first box body (1), insulating paint is sprayed on the surface of the first box body (1), a power electronic module (5) is fixedly arranged on the upper surface of the supporting plate (4), a heat dissipation mechanism is fixedly arranged on the lower surface of the first box body (1), a first groove is formed in a bottom plate of the first box body (1), air inlets are symmetrically formed in the upper side wall and the lower side wall of the first groove, a sliding plate (6) is slidably arranged inside the first groove, a first through hole is formed in the sliding plate (6), and a dustproof net (7) is fixedly arranged inside the first through hole, cavities are symmetrically formed in the sliding plate (6), and limiting mechanisms are respectively arranged in the two cavities.

2. The insulating assembly of the power electronic module according to claim 1, wherein the heat dissipation mechanism comprises a sleeve (8), a first air outlet pipe (10) and four second air outlet pipes (11), the sleeve (8) is fixedly arranged on the lower surface of the inside of the first box body (1), a support rod (12) is fixedly arranged on the inner wall of the sleeve (8), a fan (9) is fixedly arranged on the rod wall of the support rod (12), a second through hole is formed in the upper surface of the sleeve (8) and is fixedly connected with the first air outlet pipe (10), the upper end of the first air outlet pipe (10) is fixedly connected with the second box body (13) and is communicated with the second box body (13), the four second air outlet pipes (11) are respectively fixedly connected with the four side walls of the second box body (13) and are communicated with the inside of the second box body (13), and the pipe walls of the four second air outlet pipes (11) are respectively embedded in the inside of the side plates of the first box body (1) and above the support plate (4) And (4) communicating.

3. The insulating assembly of a power electronic module according to claim 1, wherein the limiting mechanism comprises a spring (14), a limiting block (15) and a limiting rod (16), the limiting rod (16) is arranged inside the cavity and fixedly sleeved with the limiting block (15), the spring (14) and the limiting rod (16) are movably sleeved, two ends of the spring are fixedly connected with the limiting block (15) and the side wall of the cavity respectively, second grooves are formed in two sides of the cavity respectively, a slot is formed in the bottom of the first groove, the limiting rod (16) is matched with the two second grooves, and the left end rod wall penetrates through the corresponding second grooves and is inserted into the slot.

4. The insulating assembly of a power electronic module according to claim 3, characterized in that a strip-shaped opening is formed in the lower side of the cavity, a push block (17) is fixedly connected to the side wall of the limiting block (15), and the push block (17) extends downwards through the strip-shaped opening and is slidably connected with the strip-shaped opening.

5. The insulating assembly of the power electronic module as claimed in claim 1, wherein the inside of the top cover (2) is symmetrically provided with a plurality of air outlets, the center of the top cover (2) is provided with a threading hole, and the threading hole is matched with a wire of the power electronic module (5).

6. The insulating assembly of a power electronic module according to claim 1, characterized in that, the four corners of the lower surface of the first box (1) are respectively fixedly provided with a cushion block (18).