External double-zone blending heat dissipation device of inverter

Abstract

The utility model discloses an external double -area blending formula heat abstractor of inverter, including top heat dissipation area and bottom heat dissipation area of vertical interval distribution, be equipped with first fin radiator, fan mechanism on top heat dissipation area, be equipped with several horizontal heat dissipation fins of vertical interval arrangement on first fin radiator, and fan mechanism includes fan cover body, and fan cover body is equipped with fan, side wall air inlet area, bottom air inlet area, be equipped with inductance box on bottom heat dissipation area, be equipped with second fin radiator on inductance box, be equipped with several vertical heat dissipation fins of horizontal interval arrangement on second fin radiator, and second fin radiator is located in the projection range of bottom air inlet area. The utility model discloses adopting the design of partition blending cooperation, and single fan forms double -area differentiation heat abstractor flow path, and fan efficiency utilization rate is higher, and the heat dissipation effect is more remarkable. Through horizontal and vertical air channel cooperation, the effective area of air channel is guaranteed, and the flow path of air channel is more reliable and stable.

Claims

1. An external dual-zone hybrid heat dissipation device for an inverter, disposed on the back panel of the inverter, characterized in that: This includes a top heat dissipation area and a bottom heat dissipation area that are vertically spaced on the back plate; The top heat dissipation area is provided with a first finned heat sink and a fan mechanism covering the first finned heat sink. The first finned heat sink is provided with a plurality of horizontal heat dissipation fins arranged vertically at intervals. The fan mechanism includes a fan cover. A fan is provided on one side wall of the fan cover, a side wall air inlet area is provided on the other side wall, and a bottom air inlet area is provided at the bottom facing the bottom heat dissipation area. An inductor box is provided on the bottom heat dissipation area, and a second finned heat sink is provided on at least one outer peripheral wall of the inductor box. The second finned heat sink is provided with a plurality of vertical heat dissipation fins arranged horizontally at intervals. The second finned heat sink is located within the projection range of the bottom air intake area.

2. The external dual-zone hybrid heat dissipation device for an inverter according to claim 1, characterized in that: The inductor box is provided with the second finned heat sink on its two side walls and the exposed wall facing away from the back plate.

3. The external dual-zone hybrid heat dissipation device for an inverter according to claim 2, characterized in that: The bottom wall of the inductor box is provided with extended fins that correspond one-to-one with the vertical heat dissipation fins on the exposed wall.

4. The external dual-zone hybrid heat dissipation device for an inverter according to claim 1, characterized in that: The bottom air intake area of ​​the fan housing has an extended cover end that extends toward the bottom heat dissipation area and covers the inductor box.

5. The external dual-zone hybrid heat dissipation device for an inverter according to claim 1, characterized in that: The fan is detachably mounted on the inner side wall of one side wall of the fan housing, and an exhaust window is provided on the side wall opposite to the fan. A misalignment clearance space is provided between the first finned heat sink and the inductor box to avoid the fan.

6. An external dual-zone hybrid heat dissipation device for an inverter according to any one of claims 1 to 5, characterized in that: A locking mechanism is provided between the top wall of the fan cover and the first finned heat sink.

7. The external dual-zone hybrid heat dissipation device for an inverter according to claim 6, characterized in that: A detachable locking mechanism is provided between any side wall of the fan housing and the inductor box.

8. The external dual-zone hybrid heat dissipation device for an inverter according to claim 1, characterized in that: The side wall air intake area includes several grid ventilation slots disposed on the side wall of the fan housing.

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