LEAD SHEATH ASSEMBLY AND MOTOR COMPRISING THE SAME

• US 20150054364A1
• Filed: 07/08/2014
• Published: 02/26/2015
• 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: WU, Yonghua, CHEN, Yunsheng, XIANG, Qixiang
• Granted Patent: US 9,545,022 B2
• Time in Patent Office: Days
• US Class Current: 310/71
• 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 lead sheath assembly, the assembly comprising:

a) a lead sheath, the lead sheath comprising a cavity;

b) a plurality of external wires;

c) a jumper box, the jumper box comprising;

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

d) a connecting terminal;

wherein

the external wires are mounted on the lead sheath;

the jumper box is disposed in the cavity; and

the connecting terminal is disposed in the through hole.

2. The assembly of claim 1, wherein the lead sheath is disposed on an outer surface of the jumper box by injection molding.

3. The assembly of claim 1, wherein

a plurality of baffle plates protrude out of an end part of the jumper box;

and

the baffle plates press an inner side of the lead sheath.

4. The assembly of claim 2, wherein

a plurality of baffle plates protrude out of an end part of the jumper box;

and

the baffle plates press an inner side of the lead sheath.

5. The assembly of claim 1, wherein

the external wires are injection molded in the lead sheath;

and

a rear part of each external wire is provided with a conductor terminal.

6. The assembly of claim 3, wherein necks are disposed on two sides of the lead sheath, respectively.

7. The assembly of claim 4, wherein necks are disposed on two sides of the lead sheath, respectively.

8. The assembly of claim 1, wherein

a first boss and a second boss are disposed on one end of the lead sheath;

the external wires are led out through the first boss; and

the cavity is disposed in the second boss.

9. The assembly of claim 2, wherein

a first boss and a second boss are disposed on one end of the lead sheath;

the external wires are led out through the first boss; and

the cavity is disposed in the second boss.

10. The assembly of claim 1, further comprising a plurality of connectors, wherein

each connector comprises:

an insulation casing and a contact piece; and

contact pieces of at least one part of the connectors are made of an electrically conductive material.

11. A motor comprising the lead sheath assembly of claim 1, 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) the lead sheath assembly, the lead sheath assembly comprising;

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

the lead sheath comprising the cavity;

the jumper box comprising;

a plurality of the 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 and is provided with a plurality of the external wires;

the external wires are mounted on the lead sheath;

the jumper box is disposed in the cavity; and

the connecting terminal is disposed in the through hole.

12. The motor of claim 11, wherein the connecting terminal is in electric connection to the MCU of the control board via a leading wire in the rear interface.

13. The motor of claim 11, further comprising a plurality of the connectors;

wherein

each connector comprises;

the insulation casing and the contact piece;

contact pieces of at least one part of the 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.