Connector for twelve-phase line-to-three-phase line motor
By designing a connector for a twelve-phase to three-phase motor, and utilizing the connection between the plug and the copper plates inside the cable, the problem of switching motor connection methods is solved, enabling quick installation and disassembly, and improving the flexibility and efficiency of motor connection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NANTONG GEMMA MOTOR CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-05-12
AI Technical Summary
The existing motors require disconnection and reinstallation when switching between delta and star connections, which is cumbersome and makes quick switching difficult.
Design a connector for a 12-phase to 3-phase motor. The connector has different connection methods, including the connector and the cable. It can quickly switch between delta and star connections through copper plate connection.
It enables quick installation and disassembly of motor connection methods, facilitates switching between delta and star connections, and improves the flexibility and efficiency of motor connection.
Smart Images

Figure CN224233430U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of connector technology, specifically a connector for a twelve-phase to three-phase motor. Background Technology
[0002] An electric motor is a device that converts electrical energy into mechanical energy. It uses an energized coil to generate a rotating magnetic field, which acts on the rotor to form a magnetoelectric torque. The number of phases of a motor is an important parameter describing the motor structure. It refers to the number of independent winding coils in the stator of the motor, such as two-phase, three-phase, and four-phase, which correspond to 2, 3, and 4 groups of coils, respectively.
[0003] After the motor leads are wired, if you want to switch between delta and star connections, you need to disconnect and reinstall the wires, which is quite troublesome. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a connector for a twelve-phase to three-phase motor, which solves the problems mentioned in the background.
[0005] This utility model provides the following technical solution: a connector for a twelve-phase to three-phase motor, comprising: a plug and a cable connected to the plug;
[0006] The cable includes a cable sheath and twelve connecting wires. The twelve connecting wires are integrated into a single cable by the cable sheath. The connectors at one end of each of the twelve connecting wires extend into the plug. The twelve connectors extending into the plug are divided into two groups, and the two groups of connectors are respectively arranged in a ring array with the plug axis as the array center to form a first array ring and a second array ring. The first array ring is located inside the second array ring. The connectors at the other end of each of the twelve connecting wires are provided with a terminal.
[0007] Preferably, any three non-adjacent connectors of the six connecting lines in the first array ring are electrically connected to form a star connection structure.
[0008] Preferably, the connector is provided with a first connecting groove, and a first connecting copper plate is provided inside the first connecting groove. The three non-adjacent connectors are electrically connected through the first connecting copper plate.
[0009] Preferably, a second connecting groove is formed between any three non-adjacent connectors of the six connecting lines in the first array ring and any three non-adjacent connectors of the six connecting lines in the second array ring, and a second connecting copper sheet is disposed inside the second connecting groove.
[0010] Preferably, in the first array ring, adjacent pairs of the six connectors are electrically connected to form three sets of independent connection points, and the three sets of independent connection points form a triangular connection structure.
[0011] Preferably, the connector is provided with a plurality of third connecting slots, the third connecting slots are located between two adjacent connectors, and a third connecting copper plate is provided inside the third connecting slot, and two adjacent connectors are electrically connected through the third connecting copper plate.
[0012] Preferably, a fourth connecting groove is provided between the six connectors in the first array ring and the six connectors in the second array ring, and a fourth connecting copper sheet is provided inside the fourth connecting groove.
[0013] Preferably, the surface of the connector is provided with a gripping ring groove, and the inner wall of the gripping ring groove is provided with a plurality of anti-slip strips.
[0014] Preferably, the connector is integrally fixedly connected to the cable sheath by injection molding.
[0015] Compared with the prior art, the present invention has the following beneficial effects:
[0016] This 12-phase to 3-phase motor connector, with its plug and cable, allows for easy and quick installation and removal of the 12-phase motor by using different internal connectors for different connection methods, switching between delta and star connections. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of this utility model;
[0018] Figure 2 This is a side sectional view of the cable structure of this utility model;
[0019] Figure 3 This is a schematic diagram of the first connecting groove and the first connecting copper sheet of this utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the second connecting groove and the second connecting copper sheet of this utility model;
[0021] Figure 5 This is a schematic diagram of the third connecting groove and the third connecting copper sheet of this utility model;
[0022] Figure 6 This is a schematic diagram of the fourth connecting groove and the fourth connecting copper sheet of this utility model.
[0023] In the diagram: 1. Connector; 2. Cable; 3. Cable sheath; 4. Connecting wire; 5. Terminal; 6. First array ring; 7. Second array ring; 8. First connecting groove; 9. First connecting copper plate; 10. Second connecting groove; 11. Second connecting copper plate; 12. Third connecting groove; 13. Third connecting copper plate; 14. Fourth connecting groove; 15. Fourth connecting copper plate; 16. Grip ring groove; 17. Anti-slip ring strip. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figure 1-6 A connector for a twelve-phase to three-phase motor includes: a plug 1 and a cable 2 connected to the plug 1;
[0026] The cable 2 includes a cable 2 sheath and twelve connecting wires 4. The twelve connecting wires 4 are integrated into a single cable 2 by the cable 2 sheath. The connectors at one end of the twelve connecting wires 4 extend into the plug 1. The twelve connectors extending into the plug 1 are divided into two groups, and the two groups of connectors are respectively arranged in a ring array with the plug 1 axis as the array center to form a first array ring 6 and a second array ring 7. The first array ring 6 is located inside the second array ring 7. The connectors at the other end of the twelve connecting wires 4 are all provided with terminal blocks 5.
[0027] Please refer to Figure 3-4 Any three non-adjacent connectors of the six connecting lines 4 in the first array ring 6 are electrically connected to form a star connection structure.
[0028] Specifically, the connector 1 is provided with a first connecting groove 8, and the first connecting groove 8 is provided with a first connecting copper piece 9. The three non-adjacent connectors are electrically connected through the first connecting copper piece 9.
[0029] Furthermore, a second connecting groove 10 is provided between any three non-adjacent connectors of the six connecting lines 4 in the first array ring 6 and any three non-adjacent connectors of the six connecting lines 4 in the second array ring 7, and a second connecting copper sheet 11 is provided inside the second connecting groove 10.
[0030] Please refer to Figure 5-6 In the first array ring 6, the six connectors of the first array ring 6 are electrically connected in pairs to form three sets of independent connection points, and the three sets of independent connection points form a triangular connection structure.
[0031] Specifically, the connector 1 is provided with a plurality of third connection slots 12, the third connection slots 12 are located between two adjacent connectors, and a third connection copper piece 13 is provided inside the third connection slot 12, and the two adjacent connectors are electrically connected through the third connection copper piece 13.
[0032] Furthermore, a fourth connecting groove 14 is provided between the six connectors in the first array ring 6 and the six connectors in the second array ring 7. A fourth connecting copper sheet 15 is provided inside the fourth connecting groove 14. The connectors in the first array ring 6 are electrically connected to the connectors in the second array ring 7 through the fourth connecting copper sheet 15, thereby improving the motor power.
[0033] The surface of the connector 1 is provided with a gripping ring groove 16, and the inner wall of the gripping ring groove 16 is provided with multiple anti-slip ring strips 17. The connector 1 is integrally fixedly connected with the cable 2 sheath by injection molding.
[0034] The connector 1 has different connection methods inside, which can be used with a twelve-phase motor to switch between delta connection and star connection, so as to facilitate quick installation and disassembly.
[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A connector for a twelve-phase to three-phase motor, characterized in that, include: Plug (1) and cable (2) connected to plug (1); The cable (2) includes a cable (2) sheath and twelve connecting wires (4). The twelve connecting wires (4) are integrated into a single cable (2) by the cable (2) sheath. The connectors at one end of the twelve connecting wires (4) extend into the plug (1). The twelve connectors extending into the plug (1) are divided into two groups. The two groups of connectors are arranged in a ring array with the plug (1) axis as the array center to form a first array ring (6) and a second array ring (7). The first array ring (6) is located inside the second array ring (7). The connectors at the other end of the twelve connecting wires (4) are provided with terminals (5).
2. A connector for a twelve-phase to three-phase motor according to claim 1, characterized in that, Any three non-adjacent connectors of the six connecting lines (4) in the first array ring (6) are electrically connected to form a star connection structure.
3. A connector for a twelve-phase to three-phase motor according to claim 2, characterized in that, The connector (1) is provided with a first connecting groove (8), and a first connecting copper plate (9) is provided inside the first connecting groove (8). The three non-adjacent connectors are electrically connected through the first connecting copper plate (9).
4. A connector for a twelve-phase to three-phase motor according to claim 3, characterized in that, A second connecting groove (10) is provided between any three non-adjacent connectors of the six connecting lines (4) in the first array ring (6) and any three non-adjacent connectors of the six connecting lines (4) in the second array ring (7), and a second connecting copper sheet (11) is provided inside the second connecting groove (10).
5. A connector for a twelve-phase to three-phase motor according to claim 1, characterized in that, The six connectors of the first array ring (6) are electrically connected in pairs to form three sets of independent connection points, and the three sets of independent connection points form a triangular connection structure.
6. A connector for a twelve-phase to three-phase motor according to claim 5, characterized in that, The connector (1) is provided with a plurality of third connection slots (12). The third connection slots (12) are located between two adjacent connectors, and a third connection copper plate (13) is provided inside the third connection slots (12). Two adjacent connectors are electrically connected through the third connection copper plate (13).
7. A connector for a twelve-phase to three-phase motor according to claim 1, characterized in that, A fourth connecting groove (14) is provided between the six connectors in the first array ring (6) and the six connectors in the second array ring (7), and a fourth connecting copper sheet (15) is provided inside the fourth connecting groove (14).
8. A connector for a twelve-phase to three-phase motor according to claim 1, characterized in that, The surface of the connector (1) is provided with a gripping ring groove (16), and the inner wall of the gripping ring groove (16) is provided with a plurality of anti-slip ring strips (17).
9. A connector for a twelve-phase to three-phase motor according to claim 1, characterized in that, The connector (1) is integrally fixedly connected to the cable (2) sheath layer by injection molding.