Pressure relief device

• Main Authors: XIANG CHENGWEI, GUO YUNFEI, ZHUANG WEIZHI, SHEN WEI, ZHENG JIANGPENG
• Format: Patent
• Language: Chinese; English
• Published: 29.12.2023
• Subjects: BOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLYOR DISTRIBUTION OF ELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION

The utility model discloses a pressure relief device which comprises a shell, a fan is arranged in the shell, an air inlet portion and an air outlet portion are arranged on the shell, and the air outlet direction of the fan faces the air outlet portion. The air inlet part is provided with a baffle, the baffle comprises a ventilation hole, and an included angle is formed between the forming direction of the ventilation hole and the airflow direction. According to the utility model, the fan is used as an airflow driving source, so that the ventilation rate under daily use conditions is enhanced, and hot air and scorching particles in the switch cabinet are guided to flow in a short-circuit arcing test, so that the hot air and the scorching particles can be discharged in time, hot air accumulation is avoided, and effective control of temperature and air pressure is ensured. 本实用新型公开了一种泄压装置，包括壳体，所述壳体内设有风机，所述壳体上设有进风部和出风部，所述风机的出风方向朝向所述出风部；所述进风部设有挡板，所述挡板包括通风孔，所述通风孔的开设方向与气流方向形成夹角。本实用新型采用风机作为气流驱动源，不仅增强了日常使用情况下的通风率，还在短路