Motor wiring board assembly

Abstract

The utility model provides a motor wiring board assembly, and relates to the technical field of motors. The motor wiring board assembly is applied to a 12-slot 8-pole motor and comprises a wiring board framework, a central point wiring board, three three-phase wiring boards and six series wiring boards, through the central point wiring board, the three three-phase wiring boards and the six series-connection wiring boards, series-parallel connection of 12 coils in a 12-slot 8-pole motor can be directly realized through the wiring board assembly, continuous winding of the coils due to series-parallel connection is not needed, series-parallel connection integration of the 12 coils is realized, and compared with a single parallel-connection outgoing line structure, the series-parallel connection of the 12 coils is realized. The process difficulty is reduced; compared with stator coil continuous winding, the motor performance stability is improved, and the process difficulty during coil processing is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electric machines, in particular to an electric machine terminal board assembly. BACKGROUND

[0002] In the technical field of electric machines, terminal board assemblies have been widely used. The number of parallel branches of an electric machine determines whether the stator coils are single-wound or continuous-wound. When the stator coils are continuous-wound, multiple coils need to be connected together, thereby making the process difficult whether in stator winding or round welding.

[0003] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present application, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. CONTENT OF THE UTILITY MODEL

[0004] The present application provides an electric machine terminal board assembly, which at least partly avoids the need for continuous winding when processing coils.

[0005] Other characteristics and advantages of the present application will become apparent from the following detailed description, or will be learned by practice of the present application.

[0006] According to one aspect of the present application, an electric machine terminal board assembly is provided, which is applied to an electric machine with 12 slots and 8 poles, the electric machine comprising 12 stator coils, in turn, a first coil, a second coil, a third coil, a fourth coil, a fifth coil, a sixth coil, a seventh coil, an eighth coil, a ninth coil, a tenth coil, an eleventh coil and a twelfth coil, comprising: a terminal board skeleton, a center point terminal board, three three-phase terminal boards, and six series terminal boards; the six series terminal boards are a first terminal board, a second terminal board, a third terminal board, a fourth terminal board, a fifth terminal board and a sixth terminal board; the first terminal board is used to connect the first coil and the fourth coil in series; the second terminal board is used to connect the second coil and the fifth coil in series; the third terminal board is used to connect the third coil and the sixth coil in series; the fourth terminal board is used to connect the seventh coil and the tenth coil in series; the fifth terminal board is used to connect the eighth coil and the eleventh coil in series; the sixth terminal board is used to connect the ninth coil and the twelfth coil in series; the three three-phase terminal boards comprise a U-phase terminal board, a V-phase terminal board and a W-phase terminal board, the U-phase terminal board is used to electrically connect the first coil and the tenth coil; the V-phase terminal board is used to electrically connect the second coil and the eleventh coil; the W-phase terminal board is used to electrically connect the third coil and the twelfth coil; the center point terminal board comprises six coil connection ends, which are respectively used to electrically connect the fourth coil, the fifth coil, the sixth coil, the seventh coil, the eighth coil and the ninth coil.

[0007] Through the motor terminal block assembly, the series-parallel connection between the 12 coils in the 12-slot 8-pole motor is directly realized through the terminal block assembly, without the need for series-parallel connection winding between the coils, realizing the series-parallel connection integration between the 12 coils. Compared with the single parallel connection structure, the process difficulty is reduced. Compared with the stator coil winding, the motor performance stability is improved, and the process difficulty during coil processing is reduced.

[0008] In an embodiment of the present application, the terminal block skeleton, the center point terminal block, the three three-phase terminal blocks and the six series connection terminal blocks are integrally injection molded.

[0009] The integral injection molding of each terminal block and the terminal block skeleton ensures the distance and insulation between the PIN components during motor design and wiring, avoids interference between the components, and reduces the complexity of winding and terminal welding in the process, improving the work efficiency and processability.

[0010] In an embodiment of the present application, the top of the terminal block skeleton includes 24 holes; each three-phase terminal block includes two coil connection ends; each series connection terminal block includes two coil connection ends; and the 24 coil connection ends of the three-phase terminal blocks, the six series connection terminal blocks and the center terminal block are exposed through the 24 holes, respectively.

[0011] In an embodiment of the present application, the terminal block skeleton includes a plurality of hook structures; and the stator insulation skeleton of the motor includes a plurality of grooves, and the plurality of hook structures cooperate with the plurality of grooves.

[0012] The cooperation of the plurality of hook structures and the plurality of grooves can achieve the fixing effect, ensure the process operability, and improve the stability of each coil connection end (PIN) in position and height.

[0013] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings herein are incorporated into the specification and form part of the specification, show embodiments consistent with the present application, and together with the specification serve to explain the principles of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1 The drawings show the schematic diagram of the motor terminal block assembly and the stator skeleton in an embodiment of the present application;

[0016] Figure 2 A schematic diagram showing a terminal block skeleton in one embodiment of the present application;

[0017] Figure 3 A schematic diagram showing a motor terminal block assembly in one embodiment of the present application;

[0018] Figure 4 A schematic diagram showing the positional relationship of a center point terminal block, three three-phase terminal blocks and six series terminal blocks in a motor terminal block assembly in one embodiment of the present application;

[0019] Figure 5 A schematic diagram showing a series terminal block in one embodiment of the present application;

[0020] Figure 6 A schematic diagram showing a center point terminal block in one embodiment of the present application. DETAILED DESCRIPTION

[0021] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations can be implemented in any

[0022] In addition, the drawings are to be considered in all respects as illustrative and not restrictive; identical reference numerals have been used, where possible, to denote identical or similar features, and thus repetitive descriptions can be omitted. It should be noted that the terms “first”, “second”, and the like used in the present application are merely used to distinguish different coils, series terminal blocks, etc.

[0023] The motor terminal block assembly in the embodiments of the present application can be as shown in Figures 1-6 The motor terminal block assembly in the embodiments of the present application can be as shown in

[0024] In one embodiment, the motor terminal block assembly comprises a terminal block skeleton 1, a center point terminal block 2, three three-phase terminal blocks and six series terminal blocks.

[0025] The six series terminal blocks are a first terminal block 41, a second terminal block 42, a third terminal block 43, a fourth terminal block 44, a fifth terminal block 45 and a sixth terminal block 46.

[0026] The first connection board 41 is used to connect the first coil and the fourth coil in series. The second connection board 42 is used to connect the second coil and the fifth coil in series. The third connection board 43 is used to connect the third coil and the sixth coil in series. The fourth connection board 44 is used to connect the seventh coil and the tenth coil in series. The fifth connection board 45 is used to connect the eighth coil and the eleventh coil in series. The sixth connection board 46 is used to connect the ninth coil and the twelfth coil in series.

[0027] The three three-phase connection boards include a U-phase connection board 31, a V-phase connection board 32, and a W-phase connection board 33. The U-phase connection board 31 is used to electrically connect the first coil and the tenth coil. The V-phase connection board 32 is used to electrically connect the second coil and the eleventh coil. The W-phase connection board 33 is used to electrically connect the third coil and the twelfth coil.

[0028] The center point connection board 2 includes six coil connection ends 21, which are respectively used to electrically connect the fourth coil, the fifth coil, the sixth coil, the seventh coil, the eighth coil, and the ninth coil.

[0029] Through the above motor connection board assembly, the series and parallel connection between the 12 coils in the 12-slot 8-pole motor can be directly realized through the connection board assembly without the need for continuous winding between the coils due to series and parallel connection, thereby realizing the integration of series and parallel connection between the 12 coils. Compared with the single parallel output structure, the process difficulty is reduced. Compared with the stator coil continuous winding, the motor performance stability is improved, and the process difficulty during coil processing is reduced.

[0030] In one embodiment, the connection board skeleton 1, the center point connection board 2, the three three-phase connection boards, and the six series connection boards are integrally injection molded.

[0031] The injection molding of each connection board and the connection board skeleton ensures the distance and insulation between PIN components during motor design and wiring, avoids interference between components, reduces the complexity of winding and terminal welding in the process, improves work efficiency, and has good processability.

[0032] In one embodiment, the top of the connection board skeleton 1 includes 24 holes 11.

[0033] Each three-phase connection board includes two coil connection ends 34.

[0034] Each series connection board includes two coil connection ends 47.

[0035] The 24 coil connection ends of the three three-phase connection boards, the six series connection boards, and the center connection board 2 are exposed through the 24 holes 11.

[0036] In one embodiment, the terminal block frame 1 comprises a plurality of hook structures 12.

[0037] The stator insulation frame of the motor comprises a plurality of grooves, and the plurality of hook structures 12 are matched with the plurality of grooves.

[0038] The plurality of hook structures matched with the plurality of grooves can achieve a fixing effect, ensure the operability of the processing technology, and improve the stability of the coil connection end (PIN) in position and height.

[0039] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope of the application being indicated by the appended claims.

Claims

1. A motor terminal block assembly for use in a 12-slot, 8-pole motor, the motor comprising 12 stator coils, sequentially named as a first coil, a second coil, a third coil, a fourth coil, a fifth coil, a sixth coil, a seventh coil, an eighth coil, a ninth coil, a tenth coil, an eleventh coil, and a twelfth coil, characterized in that, include: Terminal block frame (1), center point terminal block (2), three three-phase terminal blocks, and six series terminal blocks; The six series connectors are: first connector (41), second connector (42), third connector (43), fourth connector (44), fifth connector (45), and sixth connector (46); The first terminal block (41) is used to connect the first coil and the fourth coil in series; the second terminal block (42) is used to connect the second coil and the fifth coil in series; the third terminal block (43) is used to connect the third coil and the sixth coil in series; the fourth terminal block (44) is used to connect the seventh coil and the tenth coil in series; the fifth terminal block (45) is used to connect the eighth coil and the eleventh coil in series; the sixth terminal block (46) is used to connect the ninth coil and the twelfth coil in series. The three three-phase terminal blocks include a U-phase terminal block (31), a V-phase terminal block (32), and a W-phase terminal block (33). The U-phase terminal block (31) is used to electrically connect the first coil and the tenth coil; the V-phase terminal block (32) is used to electrically connect the second coil and the eleventh coil; and the W-phase terminal block (33) is used to electrically connect the third coil and the twelfth coil. The center point terminal block (2) includes six coil connection terminals (21), which are used to electrically connect the fourth coil, the fifth coil, the sixth coil, the seventh coil, the eighth coil and the ninth coil respectively.

2. The motor terminal block assembly according to claim 1, characterized in that, The terminal block frame (1), the center point terminal block (2), the three three-phase terminal blocks, and the six series terminal blocks are injection molded as a single unit.

3. The motor terminal block assembly according to claim 1 or 2, characterized in that, The top of the junction box frame (1) includes 24 holes (11); Each three-phase terminal block includes two coil connection terminals (34); Each series terminal block includes two coil connection terminals (47); The 24 coil connection terminals of the three three-phase terminal blocks, the six series terminal blocks, and the center terminal block (2) are exposed through the 24 holes (11).

4. The motor terminal block assembly according to claim 1, characterized in that, The connector frame (1) includes multiple hook structures (12); The stator insulation frame of the motor includes multiple grooves, and the multiple hook structures (12) cooperate with the multiple grooves.

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