CN222442133U - Double-sided radiating IGBT radiator and active filter - Google Patents

Abstract

The utility model discloses a double-sided radiating IGBT radiator and an active filter, wherein the IGBT radiator comprises a radiating box body, a plurality of radiating penetrating long holes are formed in the radiating box body from top to bottom at intervals, each radiating penetrating long hole is distributed along the length direction of the radiating box body, IGBTs are respectively fixed at intervals along the length direction at the lower parts of two side surfaces of the radiating box body, a plurality of radiating fins which are arranged at intervals are fixedly extended from top to bottom at two sides of the radiating box body, the interval between the upper adjacent radiating fin and the lower adjacent radiating fin corresponds to one radiating penetrating long hole, two positioning columns which are arranged at intervals are respectively fixed at two sides of the bottom of the radiating box body, each positioning column and two pins at the bottom of each IGBTs are welded on a circuit board in the active filter, and the active filter comprises the double-sided radiating IGBT radiator. The IGBT radiator can be provided with the IGBTs on two sides, so that double-sided heat dissipation of the radiator is realized, and the utilization rate of the radiator is improved.

Description

Double-sided radiating IGBT radiator and active filter

Technical Field

The utility model relates to the technical field of radiators, in particular to a double-sided radiating IGBT radiator and an active filter comprising the same.

Background

At present, most of IGBT aluminum profile radiators in the active filters on the market are provided with IGBT heating components on one surface, the other surface is provided with fin heat dissipation, and the overall utilization rate of the radiator is not high.

Disclosure of utility model

The utility model provides a double-sided radiating IGBT radiator and an active filter, aiming at the problems and the defects existing in the prior art.

The utility model solves the technical problems by the following technical proposal:

The utility model provides a double-sided radiating IGBT radiator which is characterized by comprising a radiating box body, wherein a plurality of radiating penetrating long holes are formed in the radiating box body from top to bottom at intervals, each radiating penetrating long hole is distributed along the length direction of the radiating box body, IGBTs are respectively fixed at intervals along the length direction at the lower parts of two side surfaces of the radiating box body, a plurality of radiating fins which are arranged at intervals are fixedly extended from top to bottom at the upper parts of two side surfaces of the radiating box body, the interval between the upper adjacent radiating fins and the lower adjacent radiating fins corresponds to one radiating penetrating long hole, two positioning columns which are arranged at intervals are respectively fixed at two sides of the bottom of the radiating box body, each positioning column is used for being welded on a circuit board in an active filter, and two pins at the bottom of each IGBTs are used for being welded on the circuit board in the active filter.

The utility model also provides an active filter which is characterized by comprising the double-sided radiating IGBT radiator.

The utility model has the positive progress effects that:

The IGBT radiator can be provided with the IGBTs on two sides, so that the double-sided heat dissipation of the radiator is realized, the utilization rate of the radiator is improved, and the cost is reduced.

Drawings

Fig. 1-2 are perspective views of a double sided heat dissipating IGBT heat sink according to a preferred embodiment of the utility model.

Fig. 3 is a perspective view of an active filter according to a preferred embodiment of the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-2, this embodiment provides a double-sided radiating IGBT radiator, it includes the radiating box 1 that adopts the aluminium alloy, evenly spaced from top to bottom is equipped with a plurality of radiating through slot holes 2 on the radiating box 1, every radiating through slot hole 2 all runs through slot hole 2 along the length direction of radiating box 1, the height of each radiating through slot hole 2 is equal, the both sides face lower part of radiating box 1 is evenly spaced along the length direction respectively and is equipped with mounting hole 3, each mounting hole 3 passes through screw 4 and installs and be fixed with an IGBT 5, make IGBT 5 fix on radiating box 1, the both sides face upper portion of radiating box 1 is from top to bottom all fixed extension have a plurality of radiating fins 6 of evenly spaced setting, the interval between upper and lower two adjacent radiating fins 6 all corresponds a radiating through slot hole 2, the interval between the adjacent radiating fins 6 is equal with the height of corresponding radiating through slot hole 2, the bottom both sides of radiating box 1 are fixed with respectively and are used for each locating post 7 that the filter is arranged in the circuit board on the source board of each, the bottom that the filter is used for on the source board of each source board 51 is welded on the source board of each source board of the circuit board of the source board.

As shown in fig. 3, this embodiment further provides an active filter, which includes the above-mentioned double-sided heat dissipation IGBT radiator 10 and a filter housing 20, in which 3 heat dissipation fans 21 are installed in the filter housing 20 at uniform intervals, an IGBT radiator 10 is correspondingly disposed at the position of the air outlet of each heat dissipation fan 21, and each positioning column 7 on each IGBT radiator 10 and two pins 51 at the bottom of each IGBT 5 are welded on a circuit board 22 in the filter housing 20.

Each IGBT 5 generates heat when operating, the generated heat is distributed in the heat dissipation case 1, the heat dissipation case 1 dissipates heat, and the air outlet of the heat dissipation fan 21 blows the heat on the heat dissipation case 1 out of the active filter through the air outlet 23 on the filter housing 20.

Through the IGBT 5 installed in the both sides of the heat dissipation box 1, can realize the two side heat dissipation of radiator, reach and improve radiator utilization ratio, reduce cost.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.

Claims (7)

1. A double-sided heat dissipation IGBT heat sink, characterized in that it includes a heat dissipation box, wherein the heat dissipation box is provided with a plurality of heat dissipation through-holes spaced apart from each other from top to bottom, each of the heat dissipation through-holes is arranged along the length direction of the heat dissipation box, and IGBTs are respectively fixed at intervals on the lower parts of the two side surfaces of the heat dissipation box along the length direction, and a plurality of spaced-apart fins are fixedly extended from top to bottom on the upper parts of the two side surfaces of the heat dissipation box, and the spacing between two adjacent upper and lower fins corresponds to a heat dissipation through-hole, and two spaced-apart positioning columns are respectively fixed on both sides of the bottom of the heat dissipation box, each of the positioning columns is used to be welded on the circuit board in the active filter, and the two bottom pins of each of the IGBTs are used to be welded on the circuit board in the active filter. 2. The double-sided heat dissipation IGBT heat sink as described in claim 1 is characterized in that mounting holes are evenly spaced apart along the length direction at the lower parts of the two side surfaces of the heat dissipation box, and an IGBT is fixed to each mounting hole by screws, so that the IGBT is fixed to the heat dissipation box. 3. The double-sided heat dissipation IGBT heat sink according to claim 1, characterized in that a plurality of heat dissipation through-holes are evenly spaced from top to bottom on the heat dissipation box. 4. The double-sided heat dissipation IGBT heat sink according to claim 1, characterized in that the spacing between adjacent heat dissipation fins is equal to the height of the corresponding heat dissipation through-long holes. 5. The double-sided heat dissipation IGBT heat sink according to claim 1, characterized in that the heat dissipation box body is made of aluminum profile. 6. An active filter, characterized in that it comprises the double-sided heat dissipation IGBT heat sink according to any one of claims 1 to 5. 7. The active filter according to claim 6 is characterized in that it comprises a filter housing, in which a plurality of cooling fans arranged at intervals are installed, an IGBT heat sink is correspondingly arranged at the air outlet position of each of the cooling fans, and each positioning column on each of the IGBT heat sinks and the two bottom pins of each IGBT are welded to the circuit board in the filter housing.