Lead sheath assembly and motor comprising the same

• US 9,545,022 B2
• Filed: 07/08/2014
• Issued: 01/10/2017
• Est. Priority Date: 08/21/2013
• Status: Active Grant

• Current Assignee: Zhongshan Broad-Ocean Motor Company Limited
• Original Assignee: Zhongshan Broad-Ocean Motor Company Limited
• Inventors: Xiang, Qixiang, Wu, Yonghua, Chen, Yunsheng
• Primary Examiner(s): DESAI, NAISHADH N
• Application Number:
  US14/326,447
• Publication Number:
  US 20150054364A1
• Time in Patent Office: 917 Days
• Field of Search: 310/71
• US Class Current: 1/1
• CPC Class Codes: H02K 11/0094 Structural association with other electrical or electronic devices
• CPC Class Codes: H02K 11/28 Manual switches
• CPC Class Codes: H02K 2213/09 Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators
• CPC Class Codes: H02K 5/225 Terminal boxes or connection arrangements specially adapted for submersible motors H02K5/132
• CPC Class Codes: H05K 5/0247 Electrical details of casings, e.g. terminals, passages for cables or wiring

Abstract

A lead sheath assembly, including a lead sheath; a plurality of external wires; a jumper box; and a connecting terminal. The lead sheath includes a cavity. The jumper box includes: a plurality of through holes, a front end including a front interface, and a rear end including a rear interface. The external wires are mounted on the lead sheath. The jumper box is disposed in the cavity. The connecting terminal is disposed in the through hole.

Claims

1. A motor comprising:

a) a motor body, the motor body comprising;

a housing, a stator assembly, and a rotor assembly;

b) a motor controller, the motor controller comprising;

a control box and a control board;

the control board comprising;

a microprocessor unit (MCU), an inverter, and a power supply unit; and

c) a lead sheath assembly, the lead sheath assembly comprising;

a lead sheath, a plurality of external wires, and a jumper box;

the lead sheath comprising a cavity;

the jumper box comprising;

a plurality of through holes, a front end comprising a front interface, and a rear end comprising a rear interface;

wherein;

the stator assembly and the rotor assembly are disposed inside the housing of the motor body;

the control board is disposed in the control box;

the power supply unit supplies power to each circuit of the control board;

the MCU controls the motor body to operate via the inverter;

the lead sheath is disposed on the control box;

the plurality of external wires is mounted on the lead sheath;

the jumper box is disposed in the cavity; and

a connecting terminal is disposed in each of the plurality of through holes.

2. The motor of claim 1, wherein the connecting terminal is in electric connection to the MCU of the control board via a leading wire in the rear interface.

3. The motor of claim 1, further comprising a plurality of connectors;

wherein

each connector comprises;

an insulation casing and the contact a contact piece;

contact pieces of at least one part of the plurality of connectors are made of the electrically conductive material; and

each connector connects an upper connecting terminal to a lower connecting terminal via the front interface and transmits a driving signal to the MCU.