CN217529691U - Welding disconnect-type stator module structure for brushless motor - Google Patents

Abstract

The utility model discloses a welding separating stator assembly structure for a brushless motor, which comprises a stator fusion welding assembly, a GND wiring board and a wiring board supporting assembly; the stator fusion welding assembly comprises a plurality of stator winding assemblies which are spliced into a ring shape, and each stator winding assembly comprises a stator core, an insulating framework arranged on the stator core and an enameled wire wound on the insulating framework; the GND wiring board is in an open-loop structure and is arranged on one side, far away from the center of a circle, of all the insulating frameworks; the wiring board supporting assembly comprises a U-phase wiring board, a V-phase wiring board and a W-phase wiring board which are all of an open-loop structure, the U-phase wiring board, the V-phase wiring board and the W-phase wiring board are not interfered with each other and are integrally injection-molded at the outer sides to form packaging rings, and the packaging rings are installed on one sides, close to the circle center, of all the insulating frameworks. The utility model discloses simple structure easily assembles, and it is simpler and easier to act as go-between, welds light more and firm, and the product quality of producing is more reliable.

Description

Welding disconnect-type stator module structure for brushless motor

Technical Field

The utility model relates to a brushless motor technical field especially relates to a brushless motor is with welding disconnect-type stator module structure.

Background

A permanent magnet synchronous motor for the automobile industry mostly adopts a brushless motor, a stator assembly structure on the motor generally adopts a fractional slot structure, and a split stator is selected, so that the cogging torque of the motor and the motor fluctuation optimization are ensured. However, the split stator has more outgoing wires welded into the stator after winding, the lead wires are difficult, and especially all outgoing wires need to be welded on a wiring board on one circumference, so that the distances are different, the wire drawing is complex, the process feasibility is difficult, the welding quality is easily influenced, the welding process is laborious, short circuits are easily caused by slight carelessness, and the final product quality is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that, overcome prior art not enough, provide a brushless motor is with welding disconnect-type stator module structure, its simple structure easily assembles, and it is simpler and easier to act as go-between, welds light more and firmly.

In order to solve the technical problem, the technical scheme of the utility model is that:

a welding separation type stator component structure for a brushless motor comprises a stator fusion welding component, a GND wiring board and a wiring board supporting component;

the stator fusion welding assembly comprises a plurality of stator winding assemblies which are spliced into a ring shape, each stator winding assembly comprises a stator core, an insulating framework installed on the stator core and an enameled wire wound on the insulating framework, and a first wire end and a second wire end are upwards led out from two ends of the enameled wire;

the GND wiring board is of an open-loop structure and is arranged on one side, far away from the center of a circle, of all the insulation frameworks, and the first wire ends are welded on the GND wiring board;

the wiring board supporting component comprises a U-phase wiring board, a V-phase wiring board and a W-phase wiring board which are all of an open-loop structure, the U-phase wiring board, the V-phase wiring board and the W-phase wiring board are not interfered with each other and are integrally injection-molded at the outer sides to form packaging rings, the packaging rings are installed on one sides, close to the circle center, of all insulation frameworks, intervals exist between the packaging rings and a GND wiring board, and the second terminals are divided into three groups and are welded on the U-phase wiring board, the V-phase wiring board and the W-phase wiring board respectively.

Furthermore, the GND wiring board comprises an annular conductive copper sheet, a plurality of copper sheet terminals corresponding to the first wire ends in number are formed on the top of the conductive copper sheet in a circumferential array mode, and the copper sheet terminals are connected with the corresponding first wire ends in a welding mode.

Furthermore, the copper sheet terminal extends towards one side close to the circle center and is formed into a flexible V shape.

Furthermore, a first frame plate is formed on one side, far away from the circle center, of the insulating framework, a second frame plate is formed on one side, close to the circle center, of the insulating framework, an arc-shaped mounting groove is formed in the first frame plate, and the GND wiring board is inserted in the mounting groove.

Furthermore, a limiting notch is formed in the first frame plate, a plurality of limiting clamping blocks are arranged on the GND wiring board, and the limiting clamping blocks are clamped in the corresponding limiting notches.

Furthermore, a positioning notch is formed in the second frame plate, a plurality of positioning convex blocks are formed at the bottom of the packaging ring, and the positioning convex blocks are clamped in the corresponding positioning notches.

Further, the U-phase wiring board comprises an annular first copper plate, the V-phase wiring board comprises an annular second copper plate, the W-phase wiring board comprises an annular third copper plate, and the first copper plate, the second copper plate and the third copper plate are distributed at intervals in a plurality of circles;

the top of one end of the first copper plate extends upwards to form a first wiring copper sheet, the top of one end, close to the first wiring copper sheet, of the second copper plate extends upwards to form a second wiring copper sheet, and the top of one end, close to the second wiring copper sheet, of the third copper plate extends upwards to form a third wiring copper sheet;

a plurality of first terminals are formed on the top of the first copper plate in a circumferential array mode, a plurality of second terminals are formed on the top of the second copper plate in a circumferential array mode, a plurality of third terminals are formed on the top of the third copper plate in a circumferential array mode, and the third terminals, the second terminals and the first terminals are arranged in a staggered mode in sequence;

and the second wire ends are respectively welded on the corresponding first terminal, the second terminal and the third terminal.

Furthermore, the first terminal, the second terminal and the third terminal extend towards one side far away from the circle center, and the end parts, far away from the circle center, of the first terminal, the second terminal and the third terminal are all formed into flexible U shapes.

By adopting the technical scheme, the utility model discloses following beneficial effect has:

1. the utility model discloses form by a plurality of stator wire winding subassemblies concatenation encircleing, drawn forth many first ends of a thread and second ends of a thread at the border, through with GND wiring board and wiring board supporting component disconnect-type assembly in insulating skeleton both sides, can prevent the short circuit and can reserve sufficient space for the welding again to design into the ring-opening column structure with the two, make each end of a thread weld nearby and form parallelly connected, thereby reduce and act as go-between, make the welding simple more swift, further improve production efficiency.

2. The utility model discloses a design a plurality of copper sheet terminals of circumference array shaping on the conductive copper sheet, circumference array and crisscross distribution form a plurality of terminals on three copper for can form the counterpoint adaptation when welding with each first end of a thread and second end of a thread, and then the wiring distance is more even when making the welding, quality problems such as difficult appearance desoldering, the acting as go-between is simple and easy light more, and the welding is more accurate convenient, has further improved production efficiency and has ensured product quality.

3. The utility model discloses a set up mounting groove and spacing notch on the first frame plate of insulating skeleton to set up spacing fixture block on the GND wiring board, thus make GND wiring board positioning assembly more rapid accurate, do benefit to the adaptation counterpoint of each first end of a thread and copper sheet terminal; in addition, the second frame plate of the insulating framework is provided with the positioning notch, and the bottom of the packaging ring is provided with the positioning lug, so that the wiring board supporting assembly is positioned and assembled more rapidly and accurately, the adaptation alignment of each second wire head and the first terminal, the second terminal and the third terminal is facilitated, and the welding quality is further guaranteed.

4. The utility model discloses design into flexible V shape with the copper sheet terminal, design into flexible U shape with the tip of first terminal, second terminal and third terminal again for be convenient for make the terminal press from both sides tight each end of a thread through anchor clamps before the welding, then carry out unified welding again, not only improved welded efficiency, can also effectively guarantee its welded fastness.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the stator fusion welding assembly of the present invention;

fig. 3 is a schematic structural view of the stator winding assembly of the present invention;

fig. 4 is a schematic structural view of the GND terminal board of the present invention;

FIG. 5 is a schematic structural view of the terminal block support assembly of the present invention;

FIG. 6 is a bottom view of the support assembly of the patch panel of the present invention;

fig. 7 is an internal structural view of the wiring board support assembly of the present invention;

FIG. 8 is a top view of the structure of FIG. 7;

1, a stator winding assembly; 10. a stator core; 11. an insulating framework; 111. a first frame plate; 1110. mounting grooves; 1111. a limiting notch; 112. a second frame plate; 1120. a positioning notch; 12. enameled wires; 121. a first thread end; 122. a second thread end; a GND terminal plate; 20. a conductive copper sheet; 200. a copper sheet terminal; 201. a limiting clamping block; 30. a package ring; 300. positioning the bump; a 31.U phase terminal plate; 310. a first copper plate; 311. a first wiring copper sheet; 312. a first terminal; a 32.V phase terminal block; 320. a second copper plate; 321. a second wiring copper sheet; 322. a second terminal; 33.W phase wiring board; 330. a third copper plate; 331. a third wiring copper sheet; 332. and a third terminal.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.

Taking 4-way parallel connection of 12-slot 8-stage motors as an example, as shown in fig. 1 to 8, in the present embodiment, a welding split stator assembly structure for a brushless motor is provided, and a main body of the welding split stator assembly structure is composed of a stator fusion welding assembly, a GND wiring board 2 and a wiring board supporting assembly. The stator fusion welding assembly is composed of twelve stator winding assemblies 1, and the twelve stator winding assemblies 1 are spliced into an annular structure. Every stator wire winding subassembly 1 specifically contains stator core 10 again, insulating skeleton 11 and enameled wire 12, and insulating skeleton 11 is installed on stator core 10, and twelve insulating skeletons 11 also splice into the annular form, and enameled wire 12 solderless wrapped connection is on insulating skeleton 11 to first end of a thread 121 and second end of a thread 122 are upwards drawn forth at enameled wire 12 both ends, and twelve first end of a thread 121 and twelve second end of a thread 122 are the circumference and distribute promptly altogether, and second end of a thread 122 is higher than first end of a thread 121 and draw forth a bit simultaneously. In order to reduce the stay wires and leave enough space for welding, the GND wiring board 2 is in an open-loop structure and is arranged on one side, far away from the center of a circle, of the twelve insulating frameworks 11, and the twelve first wire ends 121 are welded on the GND wiring board 2 nearby; the wiring board supporting component specifically comprises a U-phase wiring board 31, a V-phase wiring board 32 and a W-phase wiring board 33 which are all in an open-loop structure, meanwhile, the U-phase wiring board 31, the V-phase wiring board 32 and the W-phase wiring board 33 are not interfered with each other and are provided with a packaging ring 30 made of plastic materials through integral injection molding on the outer side, the packaging ring 30 is installed on one side, close to the center of a circle, of the twelve insulation frameworks 11, namely, an interval exists between the packaging ring 30 and the GND wiring board 2, short circuit interference is avoided, twelve second wire ends 122 are averagely divided into three groups, four second wire ends 122 of each group are welded on the U-phase wiring board 31, the second group is welded on the V-phase wiring board 32, and the third group is welded on the W-phase wiring board 33. This embodiment is with inside and outside both sides on twelve insulating frameworks 11 with GND wiring board 2 and encapsulation ring 30 disconnect-type assembly, can prevent the short circuit and can reserve sufficient space for the welding again, simultaneously with GND wiring board 2, U looks terminal plate 31, V looks terminal plate 32 and W looks terminal plate 33 all design into open loop column structure, make each end of a thread weld nearby and form parallelly connected to reduce and act as go-between, make the welding simple more swift, further improve production efficiency.

Specifically, the GND wiring board 2 in the present embodiment includes an open-loop conductive copper sheet 20, twelve copper sheet terminals 200 are formed on the top of the conductive copper sheet 20 in a circumferential array, and the twelve copper sheet terminals 200 are respectively connected to twelve first terminals 121 by soldering. Form the counterpoint adaptation when making copper sheet terminal 200 and first end of a thread 121 weld through above-mentioned design, and then the wiring distance is more even when making the welding, is difficult for appearing quality problems such as desoldering, and the stay wire is simple and easy light more, and it is more accurate convenient to weld, has further improved production efficiency and has ensured product quality. In addition, the copper sheet terminals 200 in this embodiment all extend to one side close to the center of a circle and are formed into a flexible V shape, so that the copper sheet terminals 200 can clamp the first terminals 121 through the clamp before welding, and then the welding is performed uniformly, so that the welding efficiency is improved, and the welding firmness can be effectively guaranteed.

Specifically, the U-phase wiring board 31 in the present embodiment includes a first copper plate 310 in an open ring shape, the v-phase wiring board 32 includes a second copper plate 320 in an open ring shape, the w-phase wiring board 33 includes a third copper plate 330 in an open ring shape, the first copper plate 310, the second copper plate 320, and the third copper plate 330 are arranged in a plurality of laterally spaced circles without interfering with each other, the first copper plate 310 is located at the outermost circle, the third copper plate 330 is located at the innermost circle, and the second copper plate 320 is located at the middle circle. The top of one end of the first copper plate 310 extends upwards to form a first wiring copper sheet 311, the top of one end, close to the first wiring copper sheet 311, of the second copper plate 320 extends upwards to form a second wiring copper sheet 321, the top of one end, close to the second wiring copper sheet 321, of the third copper plate 330 extends upwards to form a third wiring copper sheet 331, the first wiring copper sheet 311, the second wiring copper sheet 321 and the third wiring copper sheet 331 are close to and located on the same side and do not interfere with each other, and therefore a motor line source can be connected conveniently. Meanwhile, four first terminals 312 are circumferentially arrayed on the top of the first copper plate 310, four second terminals 322 are circumferentially arrayed on the top of the second copper plate 320, four third terminals 332 are circumferentially arrayed on the top of the third copper plate 330, and all the third terminals 332, the second terminals 322 and the first terminals 312 are sequentially arranged in a staggered manner, and intervals are arranged among the first terminals 332, the second terminals 322 and the first terminals 312 and do not interfere with each other. And twelve second stubs 122 are respectively welded on the corresponding first terminal 312, second terminal 322 and third terminal 332. Form the counterpoint adaptation when making first terminal 312, second terminal 322 and third terminal 332 and second end of a thread 122 welding through above-mentioned design, and then wiring distance is more even when making the welding, quality problems such as difficult emergence desoldering, and the stay wire is simple and easy light more, and it is more convenient to weld accurately, has further improved production efficiency and has ensured product quality. In addition, the first terminal 312, the second terminal 322, and the third terminal 332 in this embodiment all extend to one side away from the center of circle, and the end portions of the first terminal 312, the second terminal 322, and the third terminal 332 away from the center of circle are all formed into a flexible U shape, so that the first terminal 312, the second terminal 322, and the third terminal 332 can clamp each second wire head 122 through the clamp before welding, and then uniform welding is performed, which not only improves the welding efficiency, but also effectively ensures the welding firmness.

Specifically, in order to make the positioning and assembling of the GND terminal board 2 and the terminal board support member more rapid and accurate, a first frame plate 111 is formed on the side of the insulating frame 11 away from the center of circle, and a second frame plate 112 is formed on the side of the insulating frame 11 close to the center of circle. An arc-shaped mounting groove 1110 is formed in the first frame plate 111, and the conductive copper sheet 20 of the GND wiring board 2 is just inserted into the mounting groove 1110; meanwhile, a limiting notch 1111 is further formed in the first frame plate 111, three limiting fixture blocks 201 are arranged on the conductive copper sheet 20, and each limiting fixture block 201 is clamped in the corresponding limiting notch 1111. In addition, the second frame plate 112 is provided with a positioning notch 1120, and three positioning protrusions 300 are formed at the bottom of the package ring 30, and each positioning protrusion 300 is clamped in the corresponding positioning notch 1120. Through the design, the GND wiring board 2 and the wiring board supporting component are positioned and assembled more quickly and accurately, the first wire heads 121 and the copper sheet terminals 200 are favorably matched and aligned, the second wire heads 122 and the first terminals 312, the second terminals 322 and the third terminals 332 are favorably matched and aligned, and the welding quality is further ensured.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above embodiments further describe the technical problems, technical solutions and advantages of the present invention in detail, it should be understood that the above only are embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (8)

1. The utility model provides a brushless motor is with welding disconnect-type stator module structure which characterized in that: the stator welding assembly comprises a stator welding assembly, a GND wiring board (2) and a wiring board supporting assembly;

the stator fusion welding assembly comprises a plurality of stator winding assemblies (1) which are spliced into a ring shape, each stator winding assembly (1) comprises a stator core (10), an insulating framework (11) installed on the stator core (10) and an enameled wire (12) wound on the insulating framework (11), and a first wire head (121) and a second wire head (122) are led out of two ends of the enameled wire (12) upwards;

the GND wiring board (2) is of an open-loop structure and is arranged on one side, far away from the center of a circle, of all the insulation frameworks (11), and each first wire head (121) is welded on the GND wiring board (2);

wiring board supporting component is including U looks terminal plate (31), V looks terminal plate (32) and W looks terminal plate (33) that all are the open loop configuration, U looks terminal plate (31), V looks terminal plate (32) and W looks terminal plate (33) three mutually noninterfere and outside integrative injection moulding have encapsulation ring (30), one side that is close to the centre of a circle is installed on all insulating skeleton (11) in encapsulation ring (30), and has the interval between encapsulation ring (30) and terminal plate (2), each second end of a thread (122) fall into three groups and weld respectively on U looks terminal plate (31), V looks terminal plate (32) and W looks terminal plate (33).

2. The welding split stator assembly structure for a brushless motor of claim 1, wherein: the GND wiring board (2) comprises an open-ring-shaped conductive copper sheet (20), a plurality of copper sheet terminals (200) corresponding to the number of the first wire heads (121) are formed on the top of the conductive copper sheet (20) in a circumferential array mode, and the copper sheet terminals (200) are connected with the corresponding first wire heads (121) in a welding mode.

3. The welding split stator assembly structure for a brushless motor of claim 2, wherein: the copper sheet terminal (200) extends towards one side close to the circle center and is formed into a flexible V shape.

4. The welding split stator assembly structure for a brushless motor of claim 1, wherein: one side of the insulating framework (11) far away from the circle center is provided with a first frame plate (111), one side of the insulating framework (11) close to the circle center is provided with a second frame plate (112), the first frame plate (111) is provided with an arc-shaped mounting groove (1110), and the GND wiring board (2) is inserted into the mounting groove (1110).

5. The welding split stator assembly structure for a brushless motor of claim 4, wherein: spacing notch (1111) have still been seted up on first frame plate (111), be provided with a plurality of spacing fixture blocks (201) on GND wiring board (2), just spacing fixture block (201) joint is in spacing notch (1111) that corresponds.

6. The welding split stator assembly structure for a brushless motor of claim 4, wherein: the second frame plate (112) is provided with a positioning notch (1120), a plurality of positioning convex blocks (300) are formed at the bottom of the packaging ring (30), and the positioning convex blocks (300) are clamped in the corresponding positioning notches (1120).

7. The welding split stator assembly structure for a brushless motor of claim 1, wherein: the U-phase wiring board (31) comprises a first copper plate (310) in an open ring shape, the V-phase wiring board (32) comprises a second copper plate (320) in an open ring shape, the W-phase wiring board (33) comprises a third copper plate (330) in an open ring shape, and the first copper plate (310), the second copper plate (320) and the third copper plate (330) are distributed at intervals for multiple circles;

a first wiring copper sheet (311) extends upwards from the top of one end of the first copper plate (310), a second wiring copper sheet (321) extends upwards from the top of one end, close to the first wiring copper sheet (311), of the second copper plate (320), and a third wiring copper sheet (331) extends upwards from the top of one end, close to the second wiring copper sheet (321), of the third copper plate (330);

a plurality of first terminals (312) are formed on the top of the first copper plate (310) in a circumferential array mode, a plurality of second terminals (322) are formed on the top of the second copper plate (320) in a circumferential array mode, a plurality of third terminals (332) are formed on the top of the third copper plate (330) in a circumferential array mode, and the third terminals (332), the second terminals (322) and the first terminals (312) are arranged in a staggered mode in sequence;

the second stubs (122) are soldered to the corresponding first terminals (312), second terminals (322), and third terminals (332).

8. The welding split stator assembly structure for a brushless motor of claim 7, wherein: the first terminal (312), the second terminal (322) and the third terminal (332) extend towards one side far away from the circle center, and the ends, far away from the circle center, of the first terminal (312), the second terminal (322) and the third terminal (332) are all formed into a flexible U shape.

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