Ventilating heat radiation structure of electric power cabinet
A technology of ventilation and heat dissipation, power cabinet, applied in the direction of cooling/ventilation of substation/switchgear, can solve the problems of insufficient airflow convection, poor heat dissipation effect, poor natural outflow effect, etc., and achieves good cooling effect and is conducive to natural flow effect
Inactive Publication Date: 2016-07-06
WUXI XISHAN ANDA EXPLOSION PROOF ELECTRIC EQUIP
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Problems solved by technology
The problem of the traditional power cabinet is: the air convection inside and outside the cabinet is not sufficient, especially the natural outflow of the internal hot air is not good, and the heat dissipation effect is not good
Method used
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Embodiment Construction
[0010] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0011] Such as figure 1 , figure 2 As shown, the ventilation and heat dissipation structure of the power cabinet of this embodiment includes a cabinet body 1 and a ventilation plate 2 in the cabinet body 1. The ventilation plate 2 divides the interior of the cabinet body 1 into an electrical component installation cavity 11 and a ventilation and heat dissipation cavity 12, which are ventilated The side wall of the radiating cavity 12 is provided with a ventilation slot 13; the ventilation plate is fixedly connected with the cabinet body 1 by means of the frames 3 on both sides, and the upper end of the ventilation plate 1 and the inner top surface of the cabinet body 1 are provided with a ventilation head gap 4; the ventilation plate 2 Including an air inlet plate 21 and an air outlet plate 22. The inlet plate 21 is arranged obliquely downward...
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The invention relates to a ventilating heat radiation structure of an electric power cabinet. The structure comprises a cabinet body and a ventilating plate in the cabinet body. The ventilating plate separates the inside portion of the cabinet into an electrical device installation cavity and a ventilating heat dissipation cavity, and the side wall of the ventilating heat dissipation cavity is provided with ventilating slots; the ventilating plate is fixedly connected to the cabinet body by means of a frame body at the two sides, and the upper end of the ventilating plate and the inner top surface of the cabinet body are provided with a ventilating top gap; the ventilating plate comprises air-flow lead-in plates and air-flow lead-out plates, the lead-in plates are aslant arranged downwards relative to the frame body, the lead-out plates are parallel to the surface of the frame body, the portion between vertically adjacent lead-in plates is provided with a lead-in groove, and the portion between adjacent lead-out plates is provided with a lead-out groove; and the lead-out plates are also uniformly provided with ventilating holes. According to the invention, by use of a folded-plate type structure formed by the lead-in plates and the lead-out plates, air convection between the electrical device installation cavity and the ventilating heat dissipation cavity is realized, natural flow of hot air is facilitated, and the cooling effect is good.
Description
Technical field: [0001] The invention relates to the field of explosion-proof electrical technology, in particular to the ventilation structure of a power cabinet. Background technique: [0002] At present, most of the power transmission and transformation facilities installed outdoors in the power system adopt a box structure, that is, a power box or a power cabinet. The cabinet body of the power cabinet is generally provided with a heat insulation layer to prevent sun exposure, and a ventilation duct is arranged inside the ventilation duct, and a ventilation plate is arranged at the vent of the ventilation duct to prevent the untimely heat dissipation of power facilities from causing safety problems. The problem of the traditional power cabinet is that the convection of the airflow inside and outside the cabinet is not sufficient, especially the natural outflow effect of the internal hot airflow is not good, and the heat dissipation effect is not good. Summary of the invention...
Claims
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Inventor 尤建东
Owner WUXI XISHAN ANDA EXPLOSION PROOF ELECTRIC EQUIP