Continuous winding stator

Abstract

The utility model discloses a continuous winding stator, which belongs to the technical field of motor equipment, and comprises a winding (1), a stator core (2), an insulation part (3) and an insertion piece (4), the stator core (2) is annular and comprises a chassis (5) and tooth heads (6), the tooth heads (6) are vertically arranged on the chassis (5), stator grooves (7) are formed between the tooth heads (6), and the insertion piece (4) is arranged on the stator core (2). The winding (1) comprises a U-phase line winding (8), a V-phase line winding (9), a W-phase line winding (10) and a central lead (11) connected with the U-phase line winding (8), the V-phase line winding (9) and the W-phase line winding (10), the U-phase line winding (8), the V-phase line winding (9) and the W-phase line winding (10) are formed by winding flat wires and are arranged on the tooth head (6), and the insertion sheet (4) is arranged at the upper part of the stator slot (7). Welding spots of the stator winding (1) are reduced, and product performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motor equipment technical field relates to a stator, specifically relates to a continuous winding stator. BACKGROUND

[0002] The stator is a common motor basic structure, mainly by the core, winding etc, in order to promote the efficiency of the stator, new energy motor uses flat wire winding.

[0003] In the prior art, the publication number CN119030212A discloses a flat wire motor stator and motor, each branch phase outlet end and phase lead end are provided with an I-shaped conductor for outlet, and the winding slot has a first side edge layer and a second side edge layer. The phase outlet end and the phase lead end of each branch are arranged on the first side edge layer, and each phase flat wire winding includes two parallel first branches and second branches, which are continuously wound from the first side edge layer to the second side edge layer along the circumference of the stator core. The first branch forms a first winding section, and the second branch forms a second winding section. From the same winding direction, the winding mode of the first winding section is the same as that of the fourth winding section, and the winding mode of the third winding section is the same as that of the second winding section. The outlet structure of the flat wire motor stator is concentrated, the outlet is simplified, and the installation freedom is improved.

[0004] In the prior art, the winding efficiency is ensured on the basis of flat wire winding by optimizing the winding mode, but due to the excessive outlet ends, the wire ends need to be connected by welding, which easily leads to falling off and cracking due to excessive welding points, affecting the quality of the product. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the technical problems in the prior art that the flat wire winding leads to more welding points affecting the product quality due to the connection between the wire ends of the flat wire, and provides a continuous winding stator with a large number of welding points.

[0006] In order to solve the above technical problems, the utility model provides a continuous winding stator, which comprises a winding, a stator core, an insulation part and a plug-in piece. The stator core is annular, comprising a base plate and a tooth head, the tooth head is vertically arranged on the base plate, and the tooth head and the tooth head form a stator slot. The winding comprises a U-phase winding, a V-phase winding, a W-phase winding and a center lead connecting the U-phase winding, the V-phase winding and the W-phase winding. The U-phase winding, the V-phase winding and the W-phase winding are respectively wound by flat wire and arranged on the tooth head.

[0007] The U-phase wire winding comprises a U-phase wire starting end, a U-phase wire winding part, a U-phase wire connecting part and a U-phase wire tail end; the V-phase wire winding comprises a V-phase wire starting end, a V-phase wire winding part, a V-phase wire connecting part and a V-phase wire tail end; and the W-phase wire winding comprises a W-phase wire starting end, a W-phase wire winding part, a W-phase wire connecting part and a W-phase wire tail end.

[0008] The U-phase wire winding part, the V-phase wire winding part and the W-phase wire winding part are arranged in an alternating cycle, and the U-phase wire winding part, the V-phase wire winding part and the W-phase wire winding part are wound in the same direction from bottom to top.

[0009] The U-phase wire connecting part connects the bottom end of the U-phase wire winding part and the top end of the next U-phase wire winding part, the V-phase wire connecting part connects the bottom end of the V-phase wire winding part and the top end of the next V-phase wire winding part, and the W-phase wire connecting part connects the bottom end of the W-phase wire winding part and the top end of the next W-phase wire winding part.

[0010] The structure changes the stator core structure, sets the bottom disc and the tooth head, the tooth head is perpendicular to the bottom disc, the flat wire is sequentially wound from the lower part to the upper part of the tooth head, the U-phase wire winding, the V-phase wire winding and the W-phase wire winding are arranged on the tooth head, the U-phase wire winding, the V-phase wire winding and the W-phase wire winding are all formed by winding one flat wire, and the welding points are greatly reduced.

[0011] As a further improvement measure of the utility model, the U-phase wire starting end, the V-phase wire starting end and the W-phase wire starting end are sequentially arranged on the tooth head of the stator core in a counterclockwise direction, and the U-phase wire winding part, the V-phase wire winding part and the W-phase wire winding part are all arranged in a clockwise direction from bottom to top.

[0012] As a further improvement measure of the utility model, the U-phase wire connecting part, the V-phase wire connecting part and the W-phase wire connecting part are parallel to each other.

[0013] As a further improvement measure of the utility model, the insulation part comprises an insulation frame and insulation paper, the insulation frame is arranged outside the winding column, and the coil group is arranged outside the insulation frame.

[0014] As a further improvement measure of the utility model, the insulation paper is arranged between the two insulation frames, the insulation paper is in an "L" shape, the number of the insulation paper is two, and the two pieces of insulation paper are arranged in opposite directions.

[0015] As a further improvement measure of the utility model, the tooth head top is provided with a wedge-shaped groove, and the insert piece is arranged in the wedge-shaped groove, so that the insert piece arranged on the stator groove prevents the coil from falling off the tooth head.

[0016] As a further improvement of the present application, the continuous winding stator, the center lead wire is welded and connected with the U-phase wire tail end, the V-phase wire tail end and the W-phase wire tail end.

[0017] Compared with the prior art, the utility model has the advantages of: 1, through optimizing the stator core structure, set up the winding structure of tooth head optimization, make the original flat wire multiple welding point winding mode improvement for continuous winding, reduce the welding point of stator winding, improve the performance of product;2, through setting up the insulation framework and insulation paper promote the insulation performance inside stator. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a continuous winding stator of the utility model main view.

[0019] Figure 2 It is a continuous winding stator of the utility model three-dimensional view.

[0020] Figure 3 It is the main view of the insulation assembly and winding of the utility model.

[0021] Figure 4 It is the three-dimensional view of the insulation assembly and winding of the utility model.

[0022] Figure 5 It is the main view of the stator core of the utility model.

[0023] Figure 6 It is the three-dimensional view of the stator core of the utility model.

[0024] Figure 7 It is the main view of the winding of the utility model.

[0025] Figure 8 It is the three-dimensional view of the winding of the utility model.

[0026] Figure 9 It is the three-dimensional view of the U-phase wire winding of the utility model.

[0027] Figure 10 It is the three-dimensional view of the V-phase wire winding of the utility model.

[0028] Figure 11 It is the three-dimensional view of the W-phase wire winding of the utility model.

[0029] Explanation of reference numerals: 1, winding; 2, stator core; 3, insulation part; 4, insert piece; 5, bottom disc; 6, tooth head; 7, stator slot; 8, U-phase wire winding; 81, U-phase wire starting end; 82, U-phase wire winding part; 83, U-phase wire connecting part; 84, U-phase wire tail end; 9, V-phase wire winding; 91, V-phase wire starting end; 92, V-phase wire winding part; 93, V-phase wire connecting part; 94, V-phase wire tail end; 10, W-phase wire winding; 101, W-phase wire starting end; 102, W-phase wire winding part; 103, W-phase wire connecting part; 104, W-phase wire tail end; 11, center lead; 12, insulation frame; 13, insulation paper; 14, wedge-shaped slot. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the utility model more clearly understood, the utility model will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0031] On the contrary, the utility model covers any substitution, modification, equivalent method and scheme made on the essence and scope of the utility model as defined by the claims. Further, in order to make the public have a better understanding of the utility model, some specific details are described in the following detailed description of the utility model. The utility model can also be completely understood without the description of these details for those skilled in the art.

[0032] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 7 , Figure 8 , Figure 9 and Figure 10 , a continuous winding stator, the continuous winding stator comprises winding 1, stator core 2, insulation part 3 and insert piece 4, the stator core 2 is annular, as shown in Figure 5 , Figure 6 , the stator core 2 comprises bottom disc 5 and tooth head 6, the tooth head 6 is vertically arranged on the bottom disc 5, the tooth head 6 and the tooth head 6 form stator slot 7, the winding 1 comprises U-phase wire winding 8, V-phase wire winding 9, W-phase wire winding 10 and center lead 11 connecting the U-phase wire winding 8, V-phase wire winding 9 and W-phase wire winding 10, the U-phase wire winding 8, V-phase wire winding 9 and W-phase wire winding 10 are respectively formed by flat wire winding, the U-phase wire winding 8, V-phase wire winding 9 and W-phase wire winding 10 are respectively formed by one flat wire winding through the optimization of winding structure, the welding points of flat wire are reduced, and the product quality is improved.

[0033] As shown in Figure 8 , Figure 9, Figure 10 and Figure 11 As shown, the U-phase winding 8 includes a U-phase starting end 81, a U-phase winding portion 82, a U-phase connecting portion 83, and a U-phase ending end 84; the V-phase winding 9 includes a V-phase starting end 91, a V-phase winding portion 92, a V-phase connecting portion 93, and a V-phase ending end 94; and the W-phase winding 10 includes a W-phase starting end 101, a W-phase winding portion 102, a W-phase connecting portion 103, and a W-phase ending end 104. The U-phase starting end 81, V-phase starting end 91, and W-phase starting end 101 are arranged counterclockwise on the teeth 6 of the stator core 2, and the U-phase connecting portion 83, V-phase connecting portion 93, and W-phase connecting portion 103 are parallel to each other.

[0034] like Figures 8-11 As shown, the U-phase wire winding section 82, the V-phase wire winding section 92, and the W-phase wire winding section 102 are arranged alternately and cyclically. The winding direction of the U-phase wire winding section 82, the V-phase wire winding section 92, and the W-phase wire winding section 102 is the same from bottom to top, and they are all arranged clockwise. The U-phase wire winding section 82, the V-phase wire winding section 92, and the W-phase wire winding section 102 are arranged in the same direction from bottom to top.

[0035] The U-phase wire connector 83 connects the bottom end of the U-phase wire winding portion 82 to the top end of the next U-phase wire winding portion 82; the U-phase wire connector 83 connects the bottom end of the V-phase wire winding portion 92 to the top end of the next V-phase wire winding portion 92; and the W-phase wire connector 103 connects the bottom end of the W-phase wire winding portion 102 to the top end of the next W-phase wire winding portion 102. Figure 5 and Figure 6 As shown, a wedge-shaped groove 14 is provided on the top of the tooth head 6, and the insert 4 is provided in the wedge-shaped groove 14. The insert 4 is provided on the stator slot 7 to prevent the coil from falling off the tooth head 6. The insert 4 is provided on the upper part of the stator slot 7 to improve product stability.

[0036] like Figure 4 As shown, the insulating component 3 includes an insulating frame 12 and insulating paper 13. The insulating frame 12 is disposed outside the winding post, and the coil assembly is disposed outside the insulating frame 12. This structure can improve the internal insulation of the product.

[0037] This structure modifies the stator core 2 by setting up a base 5 and a tooth 6. The tooth 6 is perpendicular to the base 5, allowing the flat wire to be wound sequentially from the bottom to the top of the tooth 6. The U-phase winding 8, V-phase winding 9, and W-phase winding 10 are set on the tooth 6. Since the U-phase winding 8, V-phase winding 9, and W-phase winding 10 are all made of a single flat wire, the number of welding points is greatly reduced, improving product quality.

[0038] The utility model discloses makes detailed explanation to the practical new type implementation way in combination with the drawing above, but the practical new type is not limited to the implementation way above, for the ordinary skill for the field person, still can make a number of variations and improvement without departing from the practical new type's premise, these also should be regarded as belong to the protection scope of the practical new type.

Claims

1. A continuously wound stator, characterized in that, The continuously wound stator includes a winding (1), a stator core (2), an insulating component (3), and a lamination (4). The stator core (2) is annular and includes a base (5) and a tooth (6). The tooth (6) is vertically mounted on the base (5), and a stator slot (7) is formed between the tooth (6) and the tooth (6). The winding (1) includes a U-phase winding (8), a V-phase winding (9), a W-phase winding (10), and a center lead (11) connecting the U-phase winding (8), the V-phase winding (9), and the W-phase winding (10). The U-phase winding (8), the V-phase winding (9), and the W-phase winding (10) are formed by winding flat wire and are mounted on the tooth (6). The U-phase winding (8) includes a U-phase starting end (81), a U-phase winding portion (82), a U-phase connecting portion (83), and a U-phase ending end (84). The V-phase winding (9) includes a V-phase starting end (91), a V-phase winding portion (92), a V-phase connecting portion (93), and a V-phase ending end (94). The W-phase winding (10) includes a W-phase starting end (101), a W-phase winding portion (102), a W-phase connecting portion (103), and a W-phase ending end (104). The U-phase winding section (82), V-phase winding section (92), and W-phase winding section (102) are alternately and cyclically arranged, and the winding direction of the U-phase winding section (82), V-phase winding section (92), and W-phase winding section (102) is consistent from bottom to top. The U-phase wire connecting part (83) connects the bottom end of the U-phase wire winding part (82) to the top end of the next U-phase wire winding part (82), the U-phase wire connecting part (83) connects the bottom end of the V-phase wire winding part (92) to the top end of the next V-phase wire winding part (92), the W-phase wire connecting part (103) connects the bottom end of the W-phase wire winding part (102) to the top end of the next W-phase wire winding part (102), and the insert (4) is disposed on the upper part of the stator slot (7).

2. A continuously wound stator according to claim 1, characterized in that, The U-phase wire starting end (81), V-phase wire starting end (91), and W-phase wire starting end (101) are arranged in a counterclockwise order on the teeth (6) of the stator core (2). The U-phase wire winding part (82), V-phase wire winding part (92), and W-phase wire winding part (102) are all wound clockwise from bottom to top.

3. A continuously wound stator according to claim 2, characterized in that, The U-phase line connection (83), V-phase line connection (93), and W-phase line connection (103) are parallel to each other.

4. A continuously wound stator according to claim 3, characterized in that, The insulating component (3) includes an insulating frame (12) and insulating paper (13). The insulating frame (12) is located outside the winding post, and the coil assembly is located outside the insulating frame (12).

5. A continuously wound stator according to claim 4, characterized in that, Insulating paper (13) is placed between two insulating frames. The insulating paper (13) is "L" shaped and there are two insulating papers (13). The two insulating papers (13) are placed back to back.

6. A continuously wound stator according to claim 5, characterized in that, The tooth (6) has a wedge groove (14) on its top, and the insert (4) is disposed in the wedge groove (14).

7. A continuously wound stator according to claim 6, characterized in that, The center lead (11) is welded to the tail end (84) of the U phase line, the tail end (94) of the V phase line and the tail end (104) of the W phase line.

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