阅读说明：本技术 变频器柜体及变频器 (Converter cabinet body and converter ) 是由 颜冬亮 仲庆龙 张万宝 于 2018-09-04 设计创作，主要内容包括：本发明提供一种变频器柜体及变频器,该变频器柜体包括：一用于容纳变压器的变压器柜,变压器柜的顶部设置有第一出风口且侧壁上设置有第一进风口；一用于容纳至少一功率单元的功率单元柜,功率单元柜的前侧壁上设置有第二进风口,且功率单元柜的后侧与变压器柜相连通；变压器柜包括有分别设置于次级线圈上端和下端的第一风道挡板和第二风道挡板,使得从功率单元柜进入变压器柜的风可以直吹次级线圈；从第一进风口进入的风可以通过初级线圈及次级线圈后从第一出风口流出变压器柜,从第二进风口进入的风可以依次通过各个功率单元和次级线圈后从第一出风口流出变压器柜。本方案的变频器柜体及变频器,能够降低变频器对风机性能的要求。(The invention provides a frequency converter cabinet body and a frequency converter, wherein the frequency converter cabinet body comprises: the transformer cabinet is used for accommodating a transformer, a first air outlet is formed in the top of the transformer cabinet, and a first air inlet is formed in the side wall of the transformer cabinet; the power unit cabinet is used for accommodating at least one power unit, a second air inlet is formed in the front side wall of the power unit cabinet, and the rear side of the power unit cabinet is communicated with the transformer cabinet; the transformer cabinet comprises a first air duct baffle and a second air duct baffle which are respectively arranged at the upper end and the lower end of the secondary coil, so that the wind entering the transformer cabinet from the power unit cabinet can directly blow the secondary coil; the wind entering from the first air inlet can pass through the primary coil and the secondary coil and then flows out of the transformer cabinet from the first air outlet, and the wind entering from the second air inlet can sequentially pass through the power units and the secondary coil and then flows out of the transformer cabinet from the first air outlet. The converter cabinet body and the converter of this scheme can reduce the requirement of converter to the fan performance.)

Converter cabinet body (10), its characterized in that includes:

the transformer cabinet (11) is used for accommodating a transformer (20), a first air outlet (110) is formed in the top of the transformer cabinet (11), and a first air inlet (111) is formed in the side wall of the transformer cabinet (11);

the power unit cabinet (12) is used for accommodating at least one power unit (30), a second air inlet (121) is formed in the front side wall of the power unit cabinet (12), and the rear side of the power unit cabinet (12) is communicated with the transformer cabinet (11);

a first air duct baffle plate (112) and a second air duct baffle plate (113) are arranged in the transformer cabinet (11), and the first air duct baffle plate (112) and the second air duct baffle plate (113) are respectively arranged at the upper end and the lower end of a secondary coil (21) on the transformer (20), so that wind entering the transformer cabinet (11) from the power unit cabinet (12) can directly blow the secondary coil (21);

under the action of a fan (40) arranged at the first air outlet (110), air entering from the first air inlet (111) can pass through a primary coil (22) and a secondary coil (21) on the transformer (20) and then flow out of the transformer cabinet (11) from the first air outlet (110), and air entering from the second air inlet (121) can sequentially pass through the at least one power unit (30) and the secondary coil (21) and then flow out of the transformer cabinet (11) from the first air outlet (110).

Frequency converter cabinet (10) according to claim 1,

the front side of the transformer cabinet (11) is communicated with the rear side of the power unit cabinet (12);

the first air inlet (111) is formed in the bottom of the rear side wall of the transformer cabinet (11).

Frequency converter cabinet (10) according to claim 1,

second air outlets (1120) with the same number as that of the transformers (20) are arranged on the first air duct baffle (112) along the direction parallel to the rear side wall of the power unit cabinet (12);

each of the second outlets (1120) is crossed by a coil winding of the transformer (20), wherein the coil winding comprises the secondary coil (21) and the primary coil (22);

for each second air outlet (1120), the gap between the side, close to the power unit cabinet (12), of the second air outlet (1120) and the coil winding which is penetrated through is smaller than the gap between the side, far away from the power unit cabinet (12), of the second air outlet and the coil winding which is penetrated through.

Frequency converter cabinet (10) according to claim 3,

a third air outlet (1121) capable of being opened and closed is arranged in the area, located between each second air outlet (1120) and the power unit cabinet (12), of the first air duct baffle (112);

when the third air outlet (1121) is in a closed state, air entering from the second air inlet (121) passes through the first air duct baffle (112) from each second air outlet (1120) and then flows out of the transformer cabinet (11) from the first air outlet (110);

when the third air outlet (1121) is in an open state, air entering from the second air inlet (121) passes through the first air duct baffle (112) from the second air outlet (1120) and the third air outlet (1121) and then flows out of the transformer cabinet (11) from the first air outlet (110).

Frequency converter cabinet (10) according to claim 4,

the third air outlet (1121) comprises at least two opening states with different ventilation calibers.

Frequency converter cabinet (10) according to claim 4,

third air inlets (1130) with the same number as that of the transformers (20) are arranged on the second air duct baffle (113) along the direction parallel to the rear side wall of the power unit cabinet (12);

each of said third air inlets (1130) is penetrated by one of said coil windings;

for each third air inlet (1130), a gap is arranged between the third air inlet (1130) and the coil winding which is penetrated.

Frequency converter cabinet (10) according to any one of claims 1 to 6,

the distance between the front side wall and the rear side wall of the power unit cabinet (12) is larger than the length of one power unit (30) and smaller than the lengths of two power units (30).

Frequency converter, its characterized in that includes: -a transformer (20), -at least one power unit (30), -at least one fan (40) and-a frequency converter cabinet (10) according to any of claims 1 to 7;

the at least one fan (40) is arranged at the first air outlet (110), and the at least one fan (40) is used for drawing air from the transformer cabinet (11);

the transformer (20) is arranged in the transformer cabinet (11);

the at least one power unit (30) is disposed within the power unit cabinet (12).

The frequency converter of claim 8,

the at least one power unit (30) is arranged in the power unit cabinet (12) in a matrix mode, and only one layer of the power unit (30) is arranged in the direction perpendicular to the front side wall of the power unit cabinet (12).