Wiring structure of brushless motor winding

Abstract

The utility model discloses a wiring structure of a brushless motor winding, which comprises a stator iron core and a stator winding wound on the stator iron core, and is characterized in that the stator winding is formed by connecting a plurality of windings in parallel, and each winding is wound by an enameled wire; the multiple windings are connected in parallel through the wiring board. According to the utility model, a winding parallel structure is realized by adding the wiring board, so that the manufacturing mode of the winding becomes simple.

Description

TECHNICAL FIELD

[0001] The utility model relates to brushless motor technical field, especially a kind of wiring structure of brushless motor winding. BACKGROUND

[0002] Current brushless motor is all made using needle type winding machine, the defect is basically only one wire winding motor winding, suppose using multi-strand parallel winding, it will make winding manufacturing complex, internal line arrangement problem. INVENTION CONTENTS

[0003] The utility model needs to solve the technical problem in view of the winding manufacturing complex of the existing brushless motor using multi-strand parallel winding, internal line arrangement problem and provide a kind of wiring structure of brushless motor winding, winding manufacturing simplification, no internal line arrangement problem.

[0004] The technical problem needed by the utility model can be realized by the following technical scheme:

[0005] A kind of wiring structure of brushless motor winding, including stator core and stator winding wound on the stator core, it is characterized in that, the stator winding is formed by the parallel connection of multiple winding groups, each winding group is wound by one enameled wire;Multiple winding groups are connected in parallel with each other by terminal board.

[0006] In one preferred embodiment of the utility model, the terminal board is installed on the stator core, and the multiple winding groups are arranged circumferentially on the stator core and located at the periphery of the terminal board.

[0007] In one preferred embodiment of the utility model, each winding group is connected to one terminal board, and all the terminal boards are installed on the stator core in a stacked manner, and each terminal board is electrically connected to the winding group by a terminal.

[0008] In one preferred embodiment of the utility model, the number of winding groups is half of the number of stator cores of the brushless motor.

[0009] Since the above technical scheme is adopted, the utility model realizes winding parallel connection structure by increasing terminal board, so that the winding manufacturing method becomes simple. DRAWINGS

[0010] Fig. 1 It is one of the schematic diagrams of the stator structure comprising the wiring structure of the brushless motor winding of the utility model.

[0011] Fig. 2 It is the schematic diagram of coil winding comprising the wiring structure of the brushless motor winding of the utility model.

[0012] Fig. 3The second stator structure schematic diagram of the brushless motor winding connection structure. DETAILED DESCRIPTION

[0013] The utility model is further described below in combination with the drawings and specific embodiments.

[0014] Referring to Figs. 1 to 3 , a brushless motor winding connection structure shown in the figure, including stator core 10 and stator winding wound on stator core 10, stator winding is formed by parallel connection of multiple winding, for example: 6-pole 9-slot fractional-slot motor can be divided into 3 unit motors, so the maximum 3 parallel winding can be used, 8-pole 12-slot maximum can use 4 parallel winding structure, therefore, the number of winding is half of the series of the stator core of brushless motor.

[0015] Each winding 20 is wound by a lacquered wire, and the multiple windings are connected in parallel with each other through multiple connection plates. For example, for the 6-pole 9-slot fractional-slot motor, the three windings 20a, 20b and 20c are connected in parallel with each other through three connection plates 30a, 30b and 30c, and each winding 20a, 20b and 20c is connected to a connection plate 30a, 30b and 30c.

[0016] The three windings 20a, 20b and 20c are arranged in a circle on the stator core 10 and located at the periphery of the three connection plates 30a, 30b and 30c. The three connection plates 30a, 30b and 30c are installed on the stator core 10 in a superimposed manner, and each connection plate 30a, 30b and 30c is electrically connected to the three windings 20a, 20b and 20c through connection terminals 31a, 31b and 31c.

[0017] The utility model adds the connection plate 30, so that the manufacturing mode of winding 20 becomes simple.

Claims

1. A wiring structure for a brushless motor winding, comprising a stator core and a stator winding wound on the stator core, characterized in that, The stator winding is formed by multiple windings connected in parallel, each winding is wound with one enameled wire; the multiple windings are connected in parallel to each other through a terminal block.

2. The wiring structure of a brushless motor winding according to claim 1, characterized in that, The terminal block is mounted on the stator core, and the multiple windings are arranged in a circle on the stator core and located around the terminal block.

3. The wiring structure of a brushless motor winding according to claim 2, characterized in that, Each winding is connected to a terminal block, and all terminal blocks are installed on the stator core in a stacked manner. Each terminal block is electrically connected to the winding through a terminal block.

4. The wiring structure of a brushless motor winding according to any one of claims 1 to 3, characterized in that, The number of windings is half the number of stages in the stator core of the brushless motor.

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