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CN-121984265-A - BusBar assembly for connecting wire of hydraulic suspension motor

CN121984265ACN 121984265 ACN121984265 ACN 121984265ACN-121984265-A

Abstract

The invention discloses a BusBar assembly for a hydraulic suspension motor connecting wire, which comprises a U-phase introducing copper bar, a U-phase passing bridge copper bar, a V-phase introducing copper bar, a V-phase passing bridge copper bar, a W-phase introducing copper bar, a W-phase passing bridge copper bar, a three-phase central line copper bar, a U-phase passing bridge copper bar, a V-phase passing copper bar, a W-phase passing bridge copper bar, a U-phase connecting wire stud, a V-phase connecting wire stud and a W-phase connecting wire stud, wherein the U-phase introducing copper bar, the U-phase passing bridge copper bar, the V-phase introducing copper bar, the V-phase passing bridge copper bar, the W-phase passing bridge copper bar and the three-phase central line copper bar are integrally molded to form an injection molding body, the U-phase introducing copper bar, the V-phase introducing copper bar, the W-phase introducing copper bar and the three-phase central line copper bar are arranged on a first layer of the injection molding body, and the U-phase passing bridge copper bar, the V-phase passing bridge copper bar and the W-phase passing bridge copper bar are arranged on a second layer of the injection molding body, and the first layer and the second layer are arranged along the axis direction of the injection molding body. The injection molding process is simplified, the production efficiency is improved, and the heat dissipation efficiency of the copper bars is improved.

Inventors

  • CHEN HAOJUN
  • Yuan Jiongjiong
  • Gu Shansong

Assignees

  • 无锡威孚精密机械制造股份有限公司

Dates

Publication Date
20260505
Application Date
20260115

Claims (10)

  1. 1. The BusBar assembly for the connecting wire of the hydraulic suspension motor is characterized by comprising a U-phase lead-in copper bar (2), a U-phase bridge-crossing copper bar (3), a V-phase lead-in copper bar (4), a V-phase bridge-crossing copper bar (5), a W-phase lead-in copper bar (6), a W-phase bridge-crossing copper bar (7) and a three-phase central line copper bar (8), a U-phase lead-in copper bar (9), a V-phase lead-in copper bar (10), a W-phase lead-in copper bar (11), a U-phase lead-in stud (12), a V-phase lead-in stud (13) and a W-phase lead-in stud (14), wherein the U-phase lead-in copper bar (2), the U-phase bridge-crossing copper bar (3), the V-phase lead-in copper bar (4), the V-phase bridge-crossing copper bar (5), the W-phase lead-in copper bar (6), the W-phase bridge-crossing copper bar (7) and the three-phase central line copper bar (8) are molded into a whole to form an injection molding body; The two ends of the U-phase switching copper bar (9) are respectively connected with the U-phase wiring stud (12) and the U-phase introduction copper bar (2), the two ends of the V-phase switching copper bar (10) are respectively connected with the V-phase wiring stud (13) and the V-phase introduction copper bar (4), and the two ends of the W-phase switching copper bar (11) are respectively connected with the W-phase wiring stud (14) and the W-phase introduction copper bar (6); the U-phase wiring stud (12), the V-phase wiring stud (13), the W-phase wiring stud (14), the U-phase switching copper bar (9), the V-phase switching copper bar (10) and the W-phase switching copper bar (11) are arranged on the same horizontal plane and are parallel to the injection molding body; The U-phase introduction copper bar (2), the V-phase introduction copper bar (4), the W-phase introduction copper bar (6) and the three-phase central line copper bar (8) are arranged on a first layer of the injection molding body, and the U-phase introduction copper bar (2), the V-phase introduction copper bar (4), the W-phase introduction copper bar (6) and the three-phase central line copper bar (8) are transversely arranged and are not contacted with each other; The U-phase bridge copper bars (3), the V-phase bridge copper bars (5) and the W-phase bridge copper bars (7) are arranged on a second layer of the injection molding body, and the U-phase bridge copper bars (3), the V-phase bridge copper bars (5) and the W-phase bridge copper bars (7) are bent and staggered, so that safe electric distances are kept among the U-phase bridge copper bars (3), the V-phase bridge copper bars (5) and the W-phase bridge copper bars (7), and the first layer and the second layer are arranged along the axis direction of the injection molding body.
  2. 2. The BusBar assembly for the connecting wire of the hydraulic suspension motor according to claim 1, wherein the U-phase switching copper bar (9), the V-phase switching copper bar (10) and the W-phase switching copper bar (11) are provided with center through threaded holes; the U-phase wiring stud (12), the V-phase wiring stud (13) and the W-phase wiring stud (14) are fixedly connected with the U-phase switching copper bar (9), the V-phase switching copper bar (10) and the W-phase switching copper bar (11) through nuts respectively.
  3. 3. The BusBar assembly for the connecting wire of the hydraulic suspension motor according to claim 1, wherein the U-phase switching copper bar (9), the V-phase switching copper bar (10) and the W-phase switching copper bar (11) are respectively provided with an outgoing end, and the outgoing ends on the U-phase switching copper bar (9), the V-phase switching copper bar (10) and the W-phase switching copper bar (11) are respectively connected with the U-phase lead-in copper bar (2), the V-phase lead-in copper bar (4) and the W-phase lead-in copper bar (6) in a welding manner.
  4. 4. The BusBar assembly for the connecting wire of the hydraulic suspension motor according to claim 1, wherein the U-phase introduction copper bar (2), the U-phase passing copper bar (3), the V-phase introduction copper bar (4), the V-phase passing copper bar (5), the W-phase introduction copper bar (6), the W-phase passing copper bar (7) and the three-phase central line copper bar (8) are all arc-shaped, and the U-phase introduction copper bar (2), the U-phase passing copper bar (3), the V-phase introduction copper bar (4), the V-phase passing copper bar (5), the W-phase introduction copper bar (6), the W-phase passing copper bar (7) and the three-phase central line copper bar (8) are concentric with the motor.
  5. 5. The BusBar assembly for the connecting wire of the hydraulic suspension motor according to claim 4, wherein one ends of the U-phase introduction copper bar (2), the V-phase introduction copper bar (4) and the W-phase introduction copper bar (6) extend to the outer side of the injection molding body and are bent and extended in a direction parallel to the axis of the injection molding body, the other ends of the U-phase introduction copper bar (2), the V-phase introduction copper bar (4) and the W-phase introduction copper bar (6) extend to the outer side of the injection molding body, and the end parts of the U-phase introduction copper bar, the V-phase introduction copper bar and the W-phase introduction copper bar are provided with first U-shaped grooves, and the first U-shaped grooves are at least used for connecting stator end windings.
  6. 6. The BusBar assembly for connecting wires of hydraulic suspension motors according to claim 4, wherein two ends of the three-phase central line copper bar (8) are bent towards the outer side of the injection molding body, and two ends of the three-phase central line copper bar are provided with second U-shaped grooves, and the second U-shaped grooves are at least used for connecting stator end windings.
  7. 7. The BusBar assembly for the connecting wire of the hydraulic suspension motor according to claim 2, wherein two ends of the U-phase bridge copper bar (3), the V-phase bridge copper bar (5) and the W-phase bridge copper bar (7) respectively comprise a longitudinal bending extension part and a transverse bending extension part, the transverse bending extension parts are positioned on one side, far away from the center of the injection molding body, of the longitudinal bending extension parts, and the distances of longitudinal bending extension of the U-phase bridge copper bar (3), the V-phase bridge copper bar (5) and the W-phase bridge copper bar (7) are equal.
  8. 8. The BusBar assembly for the connecting wire of the hydraulic suspension motor according to claim 5, wherein the distance between the transverse bending position of the U-phase bridging copper bar (3) and the outer ring of the injection molding piece is equal to the distance between the transverse bending position of the V-phase bridging copper bar (5) and the outer ring of the injection molding piece, and the distance between the transverse bending position of the W-phase bridging copper bar (7) and the outer ring of the injection molding piece is equal to each other.
  9. 9. The BusBar assembly for the connecting wire of the hydraulic suspension motor according to claim 5, wherein the U-phase bridging copper bar (3), the V-phase bridging copper bar (5) and the W-phase bridging copper bar (7) are respectively provided with a third U-shaped groove at two ends.
  10. 10. The BusBar assembly for connecting wires of hydraulic suspension motors according to claim 1, wherein a plurality of buckles are arranged on the outer ring of the injection molding body, and the buckles are at least used for assembling the injection molding body and the stator framework.

Description

BusBar assembly for connecting wire of hydraulic suspension motor Technical Field The invention relates to a BusBar assembly for a connecting wire of a hydraulic suspension motor, and belongs to the technical field of intelligent chassis and motor pumps of new energy automobiles. Background The active suspension system is one of key technologies for improving the operability, stability and comfort of the vehicle, and the active suspension can cope with different driving conditions by adjusting the damping, the height and the rigidity of the suspension in real time, so that the dynamic performance of the vehicle is optimized. The permanent magnet motor is used as a power source of the system to drive the hydraulic pump to provide the needed hydraulic power for the suspension. The stator winding and winding wiring method of the active suspension permanent magnet motor has the following defects: 1) The stator winding connecting wires are difficult to manually wire, wiring harnesses are arranged randomly, the risk of broken wires and short circuits exists, and wiring harness joints are too many and easy to connect wrongly, so that mass production and manufacturing are not facilitated; 2) The existing BusBar structure has large volume and high space occupancy; 3) Three-phase line in local narrow space the wiring can only be led out manually, the production efficiency is low and the cost is high; Disclosure of Invention Aiming at the defects of the prior art, the invention aims to provide the stator winding which is convenient to wire, orderly in wire harness arrangement and smaller in injection molding encapsulation thickness, automatic production is realized in a local narrow space led out by three-phase wires in the middle of a double-pump double-motor integrated shell, the high-voltage distribution of a controller is integrated into a whole by the three-phase wires led out by the middle of the double-motor, the assembly space and creepage distance are reduced, the problem and difficulty of automatic production of the high-voltage integration of the controller in the narrow space between the double-motor are skillfully solved, the sealing requirement of the encapsulation of the three-phase wire outlet end is met, the high-efficiency low-cost automatic design of manual wire connection welding installation is omitted, and meanwhile, the assembly occupation space is effectively reduced. In order to achieve the purpose of the invention patent, the technical scheme adopted by the invention comprises the following steps: The invention discloses a BusBar assembly for a connecting wire of a hydraulic suspension motor, which comprises a U-phase switching copper bar, a V-phase switching copper bar, a W-phase switching copper bar, a U-phase wiring stud, a V-phase wiring stud, a W-phase wiring stud, a U-phase introducing copper bar, a U-phase passing bridge copper bar, a V-phase introducing copper bar, a V-phase passing bridge copper bar, a W-phase introducing copper bar, a W-phase passing bridge copper bar and a three-phase central line copper bar, wherein the U-phase introducing copper bar, the U-phase passing bridge copper bar, the V-phase introducing copper bar, the V-phase passing bridge copper bar, the W-phase introducing copper bar, the W-phase passing bridge copper bar and the three-phase central line copper bar are molded into a whole to form an injection molding body; The two ends of the U-phase switching copper bar are respectively connected with the U-phase wiring stud and the U-phase lead-in copper bar, the two ends of the V-phase switching copper bar are respectively connected with the V-phase wiring stud and the V-phase lead-in copper bar, and the two ends of the W-phase switching copper bar are respectively connected with the W-phase wiring stud and the W-phase lead-in copper bar; The U-phase wiring stud, the V-phase wiring stud, the W-phase wiring stud, the U-phase switching copper bar, the V-phase switching copper bar and the W-phase switching copper bar are arranged on the same horizontal plane and are parallel to the injection molding body; the U-phase introducing copper bar, the V-phase introducing copper bar, the W-phase introducing copper bar and the three-phase central line copper bar are arranged on the first layer of the injection molding body, and the U-phase introducing copper bar, the V-phase introducing copper bar, the W-phase introducing copper bar and the three-phase central line copper bar are transversely arranged and are not contacted with each other; The U-phase bridge copper bars, the V-phase bridge copper bars and the W-phase bridge copper bars are arranged on a second layer of the injection molding body, and the U-phase bridge copper bars, the V-phase bridge copper bars and the W-phase bridge copper bars are bent and staggered, so that safe electric distances among the U-phase bridge copper bars, the V-phase bridge copper bars and the W-phase bridge copper bars are kept, and the firs