一种快速维护的直流调速器
By optimizing the controller housing structure, the disassembly process of the heat sink, thyristor, capacitor assembly, and resistor assembly is simplified, solving the problem of inconvenient maintenance of existing DC speed controllers and enabling rapid maintenance and efficient replacement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BEIJING XINZHENG RUICHUANG ELECTRIC CO LTD
- Filing Date
- 2025-08-28
- Publication Date
- 2026-07-17
AI Technical Summary
The heat sink, thyristor, capacitor assembly, and resistor assembly of existing DC speed controllers are inconvenient to disassemble and maintain, resulting in low maintenance efficiency.
The speed controller housing design simplifies the disassembly process of the heat sink, thyristor, capacitor assembly, and resistor assembly through front and rear protective observation plates, bolt connections, and detachable plugs. It also features a wire harness storage rack, control circuit maintenance board, and quick plugs for rapid maintenance.
It improves the efficiency of disassembling and maintaining heat sinks, thyristors, capacitor assemblies and resistor assemblies, facilitates the replacement of circuit boards and the maintenance of cooling fans, and meets different construction needs.
Smart Images

Figure CN224521455U_ABST
Abstract
Claims
1. A quick maintenance DC speed regulator comprising a speed regulator housing (1), characterized in that: The speed controller housing (1) has a hinged door (2) on its front side, and a door lock is provided on the surface of the door (2). The inner wall of the speed controller housing (1) is fixedly installed with a front protective observation plate (3) by bolts. The rear surface of the speed controller housing (1) is fixedly installed with a rear protective observation plate (4) by bolts. A wire harness storage rack (5) for storing wires is fixedly connected to the middle of the inner wall of the speed controller housing (1). Two shafts (6) are fixedly installed at the bottom of the inner wall of the speed controller housing (1). Multiple fuses (7) are fixedly installed at the top of the inner wall of the speed controller housing (1). A radiator power unit is provided between the shafts (6) and the fuses (7). The radiator power unit includes an upper fixed copper busbar (8), a radiator (9), a thyristor (10), a U-shaped hook (11), and a lower fixed copper busbar (12). The lower part of the upper fixed copper busbar (8) The upper end is fixedly connected to the heat sink (9) by bolts. The upper end of the upper fixed copper busbar (8) is fixedly connected to the fuse (7) by two sets of bolts. The U-shaped hook (11) is fixedly installed on the lower outer side of the heat sink (9) and is snapped onto the outer side of the shaft (6). The thyristor (10) is fixedly installed on the inner wall of the heat sink (9) and is electrically connected to the wiring harness storage rack (5) through a detachable plug. The lower fixed copper busbar (12) is fixedly installed on the lower end of the heat sink (9) by two sets of bolts. The surface of the heat sink (9) is provided with a first positioning mounting groove (13) and a second positioning mounting groove (14). A capacitor assembly (15) is snapped into the first positioning mounting groove (13) and a resistor assembly (16) is snapped into the second positioning mounting groove (14).
2. A quick maintenance DC speed controller according to claim 1, characterized in that: The excitation heat sink plate (17) is fixedly installed on the surface of the speed controller housing (1), and the excitation heat sink plate (17) is located inside the housing door (2). The excitation circuit (18) is fixedly installed on the surface of the excitation heat sink plate (17).
3. A quick maintenance DC speed controller according to claim 1, characterized in that: A control box (19) is fixedly installed on the inner side of the door (2). A trigger circuit board (20) and a control circuit board (21) are fixedly installed on the inner wall of the control box (19). A trigger circuit repair board (22) and a control circuit repair board (23) are fixedly installed on the surface of the door (2) by bolts. The trigger circuit repair board (22) corresponds to the trigger circuit board (20), and the control circuit repair board (23) corresponds to the control circuit board (21).
4. A quick maintenance DC speed controller according to claim 3, characterized in that: The trigger circuit board (20) is specifically a trigger board with LED indicator lights.
5. A quick maintenance DC speed controller according to claim 1, characterized in that: The wire harness storage rack (5) is fixedly connected to the left and right sides of the inner wall of the speed controller housing (1), and the left and right sides of the speed controller housing (1) are provided with wire handling holes (24).
6. A quick maintenance DC speed controller according to claim 1, characterized in that: The top left and right inner walls of the speed controller housing (1) are respectively fixedly connected to two horizontal support plates (25). The surfaces of the two horizontal support plates (25) are fixedly installed with fan mounting plates (26) by bolts. The surfaces of the fan mounting plates (26) are fixedly connected with cooling fans (27).
7. A quick maintenance DC speed controller according to claim 6, characterized in that: The top inner wall of the speed regulator box (1) is fixedly connected with a quick plug (28), and the power plug of the heat dissipation fan (27) is inserted into the quick plug (28).