一种防爆壳体和逆变器

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The explosion-proof housing structure, connected by flexible fasteners, solves the safety hazards and high costs caused by explosions in existing technologies, and achieves automatic pressure relief and improved equipment safety.

CN224521331UActive Publication Date: 2026-07-17SHENZHEN SENERGY TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: SHENZHEN SENERGY TECHNOLOGY CO LTD
Filing Date: 2025-07-28
Publication Date: 2026-07-17

AI Technical Summary

Technical Problem

Existing electronic circuit equipment casings pose safety hazards when they explode due to factors such as temperature or circuit overload. Existing explosion-proof structures are complex and increase size or cost.

Method used

The explosion-proof housing structure, which uses elastic fasteners for connection, automatically forms a venting channel in the event of an explosion through the cooperation of elastic and supporting components. This balances the internal and external air pressure, prevents parts from flying out during an explosion, and reduces safety risks.

Benefits of technology

It enables automatic pressure relief during an explosion, preventing parts from flying out during an explosion, improving safety, reducing production and maintenance costs, and maintaining equipment integrity.

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Abstract

本实用新型公开一种防爆壳体和逆变器，其中，防爆壳体（100）的顶盖（20）盖设于箱体（10），箱体（10）和顶盖（20）中的一者为第一壳体，另一者为第二壳体；螺杆（31）依次穿设第一壳体和第二壳体并位于第二壳体中，螺帽部（311）设于第一壳体背向第二壳体的一侧；支撑件（32）和弹性件（33）分别套设于螺杆（31），且弹性件（33）设于支撑件（32）和螺帽部（311）之间；支撑件（32）在泄气状态时压缩弹性件（33）并在螺杆（31）上移动，带动第一壳体背向第二壳体运动以使第一壳体和第二壳体分离形成泄气通道（111）。本实用新型在设备内部硬件异常爆炸时可以平衡箱体内外压力，减缓爆炸过程壳体膨胀的时间，避免爆炸和壳体冲击带来的隐患。

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Claims

1. An explosion-proof housing (100), characterized in that, include: The enclosure (10), the top cover (20) and the elastic fastener (30) are provided on the enclosure (10), and one of the enclosure (10) and the top cover (20) is a first housing and the other is a second housing; The elastic fastener (30) includes a screw (31), a support member (32), and an elastic member (33). The screw (31) is provided with a nut (311). The screw (31) passes through the first housing and the second housing in sequence and is located in the second housing. The nut (311) is located on the side of the first housing facing away from the second housing. The support member (32) and the elastic member (33) are respectively sleeved on the screw (31), and the elastic member (33) is located between the support member (32) and the nut (311). In the deflated state, the support member (32) is pushed by the housing (10) to compress the elastic member (33) and move on the screw (31), causing the first housing to move away from the second housing so that the first housing and the second housing separate to form a deflation channel (111).

2. The explosion-proof housing (100) of claim 1, characterized in that The explosion-proof housing (100) also includes a sealing strip (40) located at the connection between the housing (10) and the top cover (20).

3. The explosion-proof housing (100) of claim 2, characterized in that The top wall (21) and bottom wall (22) of the top cover (20) have an installation space (211). In the venting state, the sealing strip (40) is compressed to separate from the box body (10), and the installation space (211) is connected to the venting channel (111).

4. The explosion-proof housing (100) of claim 3, characterized in that The extension wall (11) of the housing (10) is located on the outer wall surface of the bottom wall (22). The screw (31) passes through the extension wall (11) and the bottom wall (22) from the outside and is fixed to the inner wall surface of the bottom wall (22) by a nut (50) in the installation space (211).

5. The explosion-proof housing (100) according to any one of claims 1 to 4, characterized in that The support member (32) has a connecting part (321) and a buffer part (322). One side of the connecting part (321) is used to abut against the elastic member (33) and the other side is used to abut against the box body (10). The buffer part (322) is connected to the connecting part (321) and located on the outer periphery of the elastic member (33).

6. The explosion-proof housing (100) of claim 5, characterized in that The buffer portion (322) has a diameter that matches the nut portion (311) in the normal assembly state of the housing (10) and the top cover (20), and in the deflated state, the diameter of the buffer portion (322) is larger than the diameter of the nut portion (311).

7. The explosion-proof housing (100) of claim 6, characterized in that The support member (32) is provided with a groove (323), which is located on the buffer part (322) and divides the buffer part (322) into multiple buffer intervals (3222).

8. The explosion-proof housing (100) of claim 7, characterized in that The groove (323) is provided in four places, and the four grooves (323) are evenly distributed on the buffer part (322), forming a structure in which the four buffer intervals (3222) are evenly surrounded on the outside of the elastic member (33).

9. The explosion-proof housing (100) of claim 5, characterized in that The elastic fasteners (30) are provided in plurality, and the plurality of elastic fasteners (30) are distributed on the two side edges of the box body (10).

10. An inverter, characterized by comprising: The inverter comprises an inverter assembly and the explosion-proof housing (100) according to any one of claims 6 to 9, and the inverter assembly is arranged in the explosion-proof housing (100).