一种便于快速接线的变频柜
By incorporating a sliding sealing cover and dustproof net at the bottom of the inverter cabinet door, the problems of cumbersome wiring and poor dustproof performance in traditional inverter cabinets are solved, enabling rapid wiring and efficient maintenance, and improving the equipment's protection and operational safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YUNNAN FREQUENCY CONTROL TECH CO LTD
- Filing Date
- 2025-07-29
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional frequency converter cabinets have complicated wiring and maintenance processes, and the internal components are susceptible to dust and moisture, which affects the equipment's lifespan and operational safety.
A maintenance opening is provided at the bottom of the cabinet door, equipped with a sealing cover. The cover slides through a slide rail and a slide bar. Combined with a dustproof net and a rubber sealing ring, it enables quick wiring and maintenance while maintaining the dustproof and sealing effect of the cabinet.
Without opening the cabinet door, it enables quick wiring and maintenance of the main circuit and signal terminals, improving operational efficiency, enhancing the dustproof and sealing properties of the cabinet, and protecting internal components.
Smart Images
Figure CN224520918U_ABST
Abstract
Claims
1. A variable frequency cabinet facilitating quick wiring, comprising a cabinet body (1) and a frequency converter (2), characterized in that: A frequency converter (2) is fixed to the upper inner side of the cabinet (1). Below the frequency converter (2), from left to right, are installed a fuse (3) and several air switches (4). Below the fuse (3) and several air switches (4), a program controller (6) is installed. An intermediate relay (5) is installed on the left side of the program controller (6), and a program selector switch (7) is installed on the right side of the program controller (6). Below the program controller (6), a contactor (8) is installed, and below the contactor (8), a thermal relay (9) is installed. On the left side of the thermal relay (9), a... The electric bell (10) and the thermal relay (9) are equipped with a main circuit terminal (11) below them. A signal terminal (12) is installed on the left side of the main circuit terminal (11). A maintenance port (13) is opened on the lower surface of the cabinet door of the cabinet (1). Two slide rails (14) are fixed on the cabinet door of the cabinet (1) by screws. A sealing cover (15) is slidably installed between the two slide rails (14). A dustproof net (16) is embedded in the surface of the sealing cover (15). A rubber sealing ring (21) is embedded in the side of the sealing cover (15) facing the cabinet (1).
2. The frequency conversion cabinet of claim 1, wherein: The top of the sealing cover (15) is hinged to a hanging ear (17), and the surface of the hanging ear (17) is provided with a round hole. The cabinet door of the cabinet body (1) is welded with a protruding post (18), and the protruding post (18) corresponds to the round hole of the hanging ear (17).
3. The frequency conversion cabinet of claim 1, wherein: The slide rail (14) has a U-shaped cross section, and the side of the sealing cover plate (15) is welded with a slide bar (20) that is slidably connected to the slide rail (14).
4. The frequency converter cabinet according to claim 1, characterized in that: The sealing cover (15) has a rectangular groove on the side facing the cabinet (1). The lower part of the rubber sealing ring (21) is embedded in the inner side of the rectangular groove, and the upper part of the rubber sealing ring (21) is exposed on the outer side of the rectangular groove.
5. The frequency changer cabinet of claim 1 wherein: The two slide rails (14) are arranged in parallel, and a fixing block (19) is welded to the facing surfaces of the two slide rails (14). The surface of the fixing block (19) is provided with screw holes.
6. The frequency changer cabinet of claim 1 wherein: The size of the maintenance port (13) matches the size of the installation area of the main circuit terminal (11) and the signal terminal (12), and the size of the maintenance port (13) is smaller than the size of the sealing cover (15).