CN214380378U

CN214380378U - Outgoing line structure of stator and motor comprising same

Info

Publication number: CN214380378U
Application number: CN202120367685.9U
Authority: CN
Inventors: 钱双球; 王鲁; 谭志毅; 施文杰
Original assignee: Shanghai Highly Electrical Appliances Co Ltd
Current assignee: Shanghai Highly Electrical Appliances Co Ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-10-08
Anticipated expiration: 2031-02-08

Abstract

The utility model provides an outgoing line structure of stator, the stator includes that insulating stator skeleton sets up with the coiling a plurality of windings on the stator skeleton, wherein, the outgoing line structure of stator including set up in the neutral point lead-out wire and the pencil lead-out wire subassembly of insulating stator skeleton, the neutral point lead-out wire is connected the inlet wire end of a plurality of windings, pencil lead-out wire subassembly is connected the leading-out terminal of a plurality of windings. The utility model also provides an include the motor of the outlet structure of stator. The utility model discloses an adopt many pencil lead-out wires to shunt, and then shunt the heavy current, solved the problem that low voltage heavy current motor wiring department can't bear big line current among the prior art, electrical safety is high.

Description

Outgoing line structure of stator and motor comprising same

Technical Field

The utility model relates to a motor field especially relates to a lead-out wire leading-out structure of heavy current motor.

Background

In the existing conventional motor manufacturing, the motor wiring mode is divided into star series connection and star parallel connection, and the motor is required to have large output torque and low running voltage on special motor occasions. In order to keep the efficiency of the motor optimized, a star-shaped parallel double-strand parallel winding structure is preferably adopted; meanwhile, in order to ensure the electrical safety, the insulating structure adopts an insulating support and terminal seat crimping structure with better reliability. However, in the motor with such a structure, since the withstand current of the crimp terminal at the crimp structure is low, the motor wiring cannot bear a large line current, and there is a safety hazard easily when the line current is too large.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims to provide a new lead-out wire leading-out structure solves the problem that low pressure heavy current motor wiring department can't bear big line current.

The utility model provides an outlet structure of stator, the stator includes that insulating stator skeleton sets up with the coiling a plurality of windings on the stator skeleton, wherein, the outlet structure of stator including set up in the neutral point lead-out wire and the pencil lead-out wire subassembly of insulating stator skeleton, the neutral point lead-out wire is connected the inlet wire end of a plurality of windings, pencil lead-out wire subassembly is connected the leading-out terminal of a plurality of windings.

Optionally, the plurality of windings are windings arranged at intervals.

Optionally, the wire harness outgoing line assembly comprises a first connecting terminal and a second connecting terminal, the first connecting terminal adopts a left-right outgoing line structure, and the second connecting terminal adopts a single-side outgoing line structure.

Optionally, the wire harness outgoing line assembly is divided by a plurality of wire harness outgoing lines.

Optionally, the wire harness outgoing line includes a braided wire and a phase-split insulating wire.

Optionally, the diameter of the phase shunt insulated wire is d, and the range of d is not less than 0.9mm and not more than 1.05 mm.

Optionally, the number of the phase shunt insulating wires is n, the diameter of the braided wire is D, the diameter of the phase shunt insulating wire is D, and the relationship between D and D is that D/(D × n) is not less than 1 and not more than 2.

Optionally, the stator is applied to a 9-slot parallel motor having 9 windings.

The utility model also provides a motor, the motor is equipped with the outlet structure of foretell stator.

Compared with the prior art, the utility model beneficial effect lie in:

the utility model discloses an insulating stator skeleton is equipped with neutral point lead-out wire and pencil lead-out wire subassembly, adopts many pencil lead-out wires to pencil lead-out wire subassembly, and then shunts the heavy current, solves the problem that low pressure heavy current motor wiring department can't bear big line current.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of an outgoing line mounting structure according to an embodiment of the present invention;

fig. 2 is a diagram of a wiring harness lead-out line structure according to an embodiment of the present invention.

Reference numerals

1 neutral point lead-out wire

2 wire harness lead-out wire assembly

3 outlet terminal of winding

Wire inlet end of 4 windings

5 first connection terminal

6 second connection terminal

7 braided wire

8-phase shunt insulated wire

9 crimping terminal

Detailed Description

Detailed descriptions will be given below of embodiments of the present invention. Although the invention will be described and illustrated in connection with certain specific embodiments, it should be understood that the invention is not limited to these embodiments. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the scope of the invention as defined by the appended claims.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and components have not been described in detail so as not to obscure the present invention.

In order to solve the technical problem, an embodiment of the present invention provides an outgoing line structure of a stator, including an outgoing line structure of a stator, which includes an insulating stator frame and a plurality of windings wound on the stator frame. The outgoing line structure of the stator comprises a neutral point outgoing line 1 and a wire harness outgoing line component 2, wherein the neutral point outgoing line 1 is connected with the incoming line ends 4 of the plurality of windings, and the wire harness outgoing line component 2 is connected with the outgoing line ends 3 of the plurality of windings.

Here, a 9-slot parallel motor lead wire connection structure will be described as an example. As shown in fig. 1, the outlet structure includes three groups of neutral point outlets 1 and a group of harness outlet assemblies 2. The neutral point outgoing line 1 is connected with the incoming line ends 4 of a plurality of windings, and the plurality of windings are arranged at intervals. The wire harness lead-out wire assembly 2 is connected together at the lead-out ends 3 of every two windings (namely, each phase of motor stator winding is connected).

The structure of pencil lead-out wire subassembly 2 is as shown in fig. 2, and three winding need be connected to single phase lead-out wire, in order to save the use of the connecting terminal of pencil lead-out wire, pencil lead-out wire subassembly 2 includes first connecting terminal 5 and second connecting terminal 6, outlet structure about first connecting terminal 5 adopts, second connecting terminal 6 adopts unilateral outlet structure. Taking a low-voltage large-current motor as an example, when the motor runs, the single-phase current of a winding is as high as about 11-13A, and the line current is as high as 33-39A, if the motor structure in the prior art is adopted, the wiring position of the motor is difficult to bear the high current, and great potential safety hazards exist. In the embodiment, two leads are adopted for shunting, so that the electrical safety can be effectively ensured.

In an alternative embodiment, the harness outlet assembly 2 is divided by a plurality of harness outlets, and specifically, the number of the harnesses may be two or more as required. In an alternative embodiment, the harness cord comprises a braided wire 7 and a phase-split insulated wire 8. The number of the braided wires 7 and the number of the phase shunt insulation wires 8 can be selected as required.

To this specific pencil leading-out wire structure, in order to realize better reposition of redundant personnel effect, the utility model discloses it is further right the quantity and the size relation of braided wire 7 and looks reposition of redundant personnel insulated wire 8 have optimized. Specifically, the number of the phase shunt insulating wires 8 is n, the diameter of the braided wire 7 is D, the diameter of the phase shunt insulating wire 8 is D, and the relation between D and D is that D/(D × n) is not less than 1 and not more than 2. In this embodiment, the number and size relationship between the braided wire 7 and the phase shunt insulating wire 8 are reasonably designed, and a thicker braided wire 7 is adopted, so that a better shunt effect can be achieved by the braided wire 7 and the phase shunt insulating wire 8. It is only a preferred design here, and in other alternative embodiments, the number and size relationship of the braided wire 7 and the phase-splitting insulated wire 8 may adopt other relationships, all falling within the protection scope of the present invention.

Furthermore, the diameter of the phase shunt insulated wire 8 is d, and the range of d is more than or equal to 0.9mm and less than or equal to 1.05 mm. The numerical range of d here is only an optional numerical range, and in other alternative embodiments, the numerical value of d can also be selected in other ranges, and is not limited here, and all fall within the protection scope of the present invention.

In one embodiment, the stator is applied to a 9 slot parallel motor having 9 windings. In this embodiment, a stator lead wire of a 9-slot parallel motor will be described as an example. It is understood that the present invention is not limited thereto, and in other alternative embodiments, the stator may be applied to other types of motors, and the corresponding adjustment and modification of relevant parameters (such as the type, number, and size relationship of the split-flow wire harness) are all within the protection scope of the present invention.

To sum up, the utility model discloses an outlet structure of stator compares with prior art, utilizes the reasonable lead wire reposition of redundant personnel of pencil lead-out wire, has the advantage of solving the problem that low pressure heavy current motor wiring department can't bear big line current, guarantees electrical safety.

The embodiment of the utility model provides a motor is still provided, the motor is equipped with the outlet structure of foretell stator. The motor may be the 9-slot parallel motor described above, or another type of motor.

Through adopting the utility model discloses a lead-out wire structure of stator, the motor compares with prior art, utilizes the reasonable lead wire reposition of redundant personnel of pencil lead-out wire, has the advantage of solving the problem that low pressure heavy current motor wiring department can't bear big line current, guarantees electrical safety.

The foregoing is a more detailed description of the present invention, taken in conjunction with specific alternative embodiments, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides an outlet structure of stator, the stator includes that insulating stator skeleton sets up with the coiling a plurality of windings on the stator skeleton, its characterized in that, the outlet structure of stator including set up in the neutral point lead-out wire and the pencil outlet subassembly of insulating stator skeleton, the neutral point lead-out wire is connected the inlet wire end of a plurality of windings, pencil outlet subassembly is connected the outlet terminal of a plurality of windings.

2. The stator lead out structure of claim 1 wherein the plurality of windings are spaced apart windings.

3. The stator lead wire structure according to claim 1, wherein the harness lead wire assembly includes a first connection terminal and a second connection terminal, the first connection terminal adopts a left-right lead wire structure, and the second connection terminal adopts a single-side lead wire structure.

4. The stator lead out structure of claim 1, wherein the harness lead out assembly is shunted using a plurality of harness leads.

5. The stator lead-out wire structure according to claim 4, wherein the harness lead-out wire includes a braided wire and a phase-split insulated wire.

6. The outgoing line structure of the stator according to claim 5, wherein the phase split insulated wires have a diameter d in a range of 0.9mm ≤ d ≤ 1.05 mm.

7. The lead-out wire structure of a stator according to claim 5, wherein the number of phase split insulated wires is n, the diameter of the braided wire is D, the diameter of the phase split insulated wire is D, and the relationship between D and D is 1. ltoreq. D/(D x n). ltoreq.2.

8. The stator lead out structure of claim 1 wherein said stator is applied to a 9 slot parallel motor having 9 said windings.

9. An electrical machine, characterized in that the electrical machine is provided with an outlet construction of a stator according to any of claims 1-8.