TWI636640B - Fixing device for junction wires of stator of motor - Google Patents

Abstract

A motor stator wire fixing device includes a plurality of insulation rings and a plurality of flat conductors. Each insulating ring is provided with a first positioning portion. Each insulating ring has opposite end surfaces, and is provided with a convex point and a concave hole, respectively. The insulation rings are stacked in layers corresponding to the concave holes corresponding to the bumps. The flat conductors each include a buried depth section, two fixed wire sections, and two protruding ends. The buried depth section is accommodated in the corresponding insulation ring, and a second positioning portion is provided corresponding to the first positioning portion of the corresponding insulation ring. The fixed-line section is formed by horizontally extending at both ends of the buried section. The protruding ends are respectively formed by bending and extending the fixed wire segments, and are exposed outside the corresponding insulation rings.

Description

Motor stator wire fixing device

The invention relates to a motor stator wire fixing device.

In the age of increasingly advanced technology, the motor industry is one of the modern core industries. A motor is a motor device that converts electrical energy into kinetic energy, and its power and other stability have also improved with each passing day. According to the current industry requirements, reducing the size of the motor and facilitating assembly are quite important issues.

However, the current motor wiring method is complicated to work, which not only makes it difficult to reduce the amount of copper wire used, but also affects the convenience of personnel operation. Specifically, in the prior art, since the knotting operation between the winding coil and the wire coil is manually sorted, which is complicated and time-consuming, the labor cost remains high.

In view of this, one object of the present invention is to provide a motor stator wire fixing device which can effectively reduce human assembly errors and is convenient for disassembly and adjustment.

To achieve the above object, according to an embodiment of the present invention, a motor stator wire fixing device includes a plurality of insulation rings and a plurality of flat conductors. Each insulating ring is provided with a first positioning portion. Each insulation ring has the opposite The two end surfaces are respectively provided with a convex point and a concave hole. The insulation rings are stacked in layers corresponding to the concave holes corresponding to the bumps. The flat conductors each include a buried depth section, two fixed wire sections, and two protruding ends. The buried depth section is accommodated in the corresponding insulation ring, and a second positioning portion is provided corresponding to the first positioning portion of the corresponding insulation ring. The fixed-line section is formed by horizontally extending at both ends of the buried section. The protruding ends are respectively formed by bending and extending the fixed wire segments, and are exposed outside the corresponding insulation rings.

In one or more embodiments of the present invention, each of the above protruding ends is a sheet body. A socket notch is provided on a side edge of each protruding end.

In one or more embodiments of the present invention, one of the protruding ends of the flat conductor is provided with a conductive hole.

In one or more embodiments of the present invention, the flat conductor provided with the conductive hole has a cross-sectional area defined by a width and a thickness. The cross-sectional area is proportional to the area of the lead-through hole.

In one or more embodiments of the present invention, the aforementioned motor stator wire fixing device is configured to be fixed to the winding frame. The winding frame is provided with a plurality of motor stator winding groups. The number of socket recesses of the flat conductor is twice the number of the motor stator winding group.

In one or more embodiments of the present invention, each of the above-mentioned insulation rings includes a body, a buckle, and a groove. The body has an end surface and a side surface connected between the end surfaces. The body partially accommodates a corresponding flat conductor. The buckle is set on the side. The card slot is disposed on the side. When the insulation rings are stacked, the buckle of one of the insulation rings is engaged with the groove of the other of the insulation rings.

In one or more embodiments of the present invention, the corresponding first positioning portion and the second positioning portion are a first through hole and a second through hole, respectively. First through hole Adjacent to the second through hole.

In one or more embodiments of the present invention, the inner edge of the second through hole is within a range of the inner edge of the first through hole.

In one or more embodiments of the present invention, the material of the above-mentioned insulation ring includes plastic and glass fiber.

In one or more embodiments of the present invention, the aforementioned plastic includes polyethylene terephthalate.

To sum up, in the motor stator wire fixing device of the present invention, by using the assembling method in which the insulating rings are stacked in layers corresponding to the concave holes, the alignment can be performed quickly by rotating the angles of the insulating rings of each phase, thereby The purpose is to facilitate the installation and adjustment of the insulation ring. Moreover, by providing a socket notch on the same side edge of the protruding end of the flat conductor exposed to the outside of the insulation ring, all the flat conductors can be contacted with the knots and fixed at the same time by rotating the insulation rings of each phase, thereby achieving rapid progress. The purpose of the knot fixing operation. Furthermore, by providing the first positioning portion and the second positioning portion that can be positioned to each other on the insulating ring and the flat conductor provided therein, the relative position between the two can be maintained during the combination of the two. Moreover, by designing the first positioning portion and the second positioning portion as a first through hole and a second through hole, respectively, and the inner edge of the second through hole is within the range of the inner edge of the first through hole. The method can be used to maintain the relative position between the insulating ring and the flat conductor provided in the insulating ring by using a thimble to pass through the first through hole and the second through hole at the same time when the two are combined by, for example, buried injection. The first through hole can also be pressed against the flat conductor to prevent the flat conductor from being deformed due to the pressure of the injection process.

The above is only used to explain the problems to be solved by the present invention. Problems, technical solutions to the problems, and the effects they produce, etc. The specific details of the present invention will be described in detail in the following embodiments and related drawings.

100, 300‧‧‧ Motor stator wire fixing device

110, 310‧‧‧ insulation ring

111‧‧‧ Ontology

111a, 111b‧‧‧End

111c‧‧‧ side

112, 117‧‧‧ buckle

113, 211‧‧‧ card slot

114‧‧‧ bump

115‧‧‧ recess

116‧‧‧The first positioning department

120, 320‧‧‧ flat conductor

121, 321‧‧‧ buried depth

121a‧‧‧Second positioning section

122, 322‧‧‧Fixed section

123a, 123b, 323a, 323b ‧‧‧ extended end

123a1, 123b1, 323a21, 323b21, 323b31 ‧‧‧ socket

123b2‧‧‧ guide hole

210‧‧‧ Winding frame

220‧‧‧Motor stator winding group

323a1, 323b1‧‧‧ extension

323a2, 323b2, 323b3‧‧‧bend section

T‧‧‧thickness

W‧‧‧Width

In order to make the above and other objects, features, advantages, and embodiments of the present invention more comprehensible, the description of the drawings is as follows: FIG. 1 is a diagram showing a motor stator wire fixing device and a winding of an embodiment of the present invention An exploded perspective view of the stand.

FIG. 2A is an exploded perspective view showing the insulation ring of the motor stator wire fixing device in FIG. 1 to show the end face of the insulation ring.

FIG. 2B is another perspective exploded view showing the insulation ring of the motor stator wire fixing device in FIG. 1 to show the other end surface of the insulation ring.

Fig. 3 is an exploded perspective view showing one of the insulation rings and the corresponding flat conductor in Fig. 2A.

Fig. 4 is a cross-sectional view showing one of the insulating rings and the corresponding flat conductor in Fig. 2A along the line segment 4-4 '.

FIG. 5 is an exploded perspective view showing a motor stator wire fixing device and a winding frame according to another embodiment of the present invention.

FIG. 6 is a partial perspective view illustrating a flat conductor according to another embodiment of the present invention.

FIG. 7 is another partial perspective view showing the flat conductor in FIG. 6.

In the following, a plurality of embodiments of the present invention will be disclosed graphically, as For the sake of clarity, many practical details will be explained in the following description. It should be understood, however, that these practical details should not be used to limit the invention. That is, in some embodiments of the present invention, these practical details are unnecessary. In addition, in order to simplify the drawings, some conventional structures and components will be shown in the drawings in a simple and schematic manner.

Please refer to Figure 1. FIG. 1 is an exploded perspective view showing a motor stator wire fixing device 100 and a winding frame 210 according to an embodiment of the present invention.

As shown in FIG. 1, in this embodiment, the motor stator wire fixing device 100 is configured to be fixed to the bobbin 210. For example, in this embodiment, the motor stator wire fixing device 100 includes a plurality of buckles 117 (only one is labeled as an example in the first figure), and the winding frame 210 has a plurality of card slots 211 (the first figure Only one is labeled as an example). The buckles 117 are detachably engaged with the grooves 211 respectively, so that the motor stator wire fixing device 100 and the winding frame 210 are fixed to each other.

In some embodiments, the at least one buckle 117 on the motor stator wire fixing device 100 can be interchanged with the corresponding slot 211 on the winding frame 210, and the motor stator wire fixing device 100 and the winding frame 210 can also be mutually interchanged. Fixed purpose. In practical applications, the motor stator wire fixing device 100 can also be directly fixed with a wire (not shown).

As shown in FIG. 1, in the present embodiment, a plurality of motor stator winding groups 220 are wound on the winding frame 210 (only one is shown as an example in FIG. 1). Specifically, in this embodiment, the number of the motor stator winding groups 220 wound on the winding frame 210 is 12, but the present invention is not limited thereto.

Please refer to Fig. 2A, Fig. 2B, and Fig. 3. Figure 2A is The three-dimensional exploded view of the insulation ring 110 of the motor stator wire fixing device 100 in FIG. 1 is shown to show the end surface 111 a of the insulation ring 110. FIG. 2B is another perspective exploded view showing the insulation ring 110 of the motor stator wire fixing device 100 in FIG. 1 to show the other end surface 111 b of the insulation ring 110. FIG. 3 is an exploded perspective view showing one of the insulating ring 110 and the corresponding flat conductor 120 in FIG. 2A.

As shown in FIGS. 1 to 3, in this embodiment, the motor stator wire fixing device 100 includes a plurality of insulating rings 110 (only one is labeled as an example in FIGS. 2A and 2B) and a plurality of flat conductors 120. . In FIG. 3, only one of the insulation rings 110 and the two flat conductors 120 corresponding thereto are shown by way of example, but the present invention is not limited to this configuration. Each insulating ring 110 has opposite end faces 111a, 111b (shown in Figs. 2A and 2B, respectively). As shown in FIG. 2A, the end surface 111 a is provided with a bump 114. As shown in FIG. 2B, the end surface 111 b is provided with a recessed hole 115. The insulating ring 110 is laminated with the bumps 114 corresponding to the recessed holes 115. The buckle 117 shown in FIG. 1 is disposed on one of the insulating rings 110.

With the foregoing structural configuration, alignment can be performed quickly by rotating the angles of the insulation rings 110 of each phase, thereby achieving the purpose of facilitating installation and adjustment of the insulation rings 110.

In addition, in this embodiment, the motor stator wire fixing device 100 includes four layers of insulation rings 110, which can be subdivided into three phases of U, V, and W insulation rings 110 (that is, the upper three layers of insulation rings 110 in Figure 2A). The insulation ring 110 (that is, the lowermost insulation ring 110 in FIG. 2A) which is in common with Y, in which parts of the insulation ring 110 of three phases can be shared.

Also shown in FIG. 2A and FIG. 2B, in this embodiment Each of the insulating rings 110 includes a main body 111, a plurality of buckles 112, and a plurality of buckle grooves 113. The main body 111 includes the aforementioned end surfaces 111 a and 111 b and a side surface 111 c connected between the end surfaces 111 a and 111 b. The body 111 partially accommodates the corresponding flat conductor 120. The buckle 112 is disposed on a side surface 111 c of the main body 111. The slot 113 is also provided on a side surface 111 c of the main body 111. When the insulating rings 110 are stacked in layers, the buckles 112 of one of the insulating rings 110 are engaged with the grooves 113 of the other of the insulating rings 110.

With the foregoing structural configuration, the insulation rings 110 of each phase can be fast-aligned through the corresponding recesses 115 corresponding to the bumps 114 and then fastened to each other by using the corresponding buckles 112 corresponding to the grooves 113.

In some embodiments, the material of the insulating ring 110 includes plastic and glass fiber, so as to avoid short circuit due to electrical connection between the flat conductors 120. For example, the plastic includes polyethylene terephthalate, but the present invention is not limited thereto.

As shown in FIG. 3, in this embodiment, the flat conductors 120 each include a buried depth section 121, two fixed wire sections 122, and two protruding ends 123 a and 123 b. The buried depth section 121 is accommodated in the corresponding insulation ring 110, and its shape conforms to a part of the shape of the corresponding insulation ring 110 and is arc-shaped. The fixed line segment 122 is formed by horizontally extending from both ends of the buried depth segment 121 (the boundary between the solid line segment 122 and the buried depth segment 121 is indicated by a dashed line in FIG. 3). The protruding ends 123a, 123b are respectively formed by bending and extending the two fixed wire segments 122, and are exposed outside the corresponding insulating ring 110 (the boundary between the fixed wire segment 122 and the protruding ends 123a, 123b is shown in dotted lines in FIG. 3) ). In this embodiment, each of the protruding ends 123a, 123b is a sheet body. The side edges of each of the protruding ends 123a and 123b are respectively configured to be fixed with the motor stator wire. Socket notches 123a1 and 123b1 fixed by knots (not shown) extending from below the device 100 (i.e., at the winding frame 210), and the socket notches 123a1 and 123b1 are respectively provided at the same end of the protruding ends 123a and 123b. Side (for example, to the right of the protruding ends 123a, 123b in FIG. 3). In addition, the protruding end 123b is also provided with a guide hole 123b2 configured to fix the power line extending from above the motor stator wire fixing device 100. Therefore, the width of the protruding end 123b is larger than that of the protruding end 123a.

With the foregoing structural configuration, all the flat conductors 120 can be brought into contact with a knot wire (not shown) at the same time by rotating the insulation rings 110 of each phase to be fixed, thereby achieving the purpose of quickly performing the wire fixing operation.

In some embodiments, the surface of the flat conductor 120 may be partially insulated or non-insulated.

As shown in FIG. 1 and with reference to FIG. 3, in this embodiment, the number of socket recesses 123 a and 123 b of the flat conductor 120 is twice the number of the motor stator winding group 220. For example, in this embodiment, the number of the socket notches 123a, 123b of the flat conductor 120 may correspond to the number of the motor stator winding groups 220 wound on the winding frame 210, but this The invention is not limited to this.

Please refer to FIG. 4, which is a cross-sectional view showing one of the insulating ring 110 and the corresponding flat conductor 120 along line 4-4 ′ in FIG. 2A. As shown in FIG. 4 and with reference to FIG. 2A, in this embodiment, each insulating ring 110 is further provided with a first positioning portion 116. The buried portion 121 of each flat conductor 120 is provided with a second positioning portion 121 a corresponding to the first positioning portion 116 of the corresponding insulating ring 110 and can be used for positioning each other. With this configuration, the relative position between the insulating ring 110 and the flat conductor 120 provided therein can be maintained during the combination.

Further, in this embodiment, the corresponding first positioning portion 116 and the second positioning portion 121 a are a first through hole and a second through hole, respectively. The first through hole is adjacent to the second through hole. With this structural configuration, when the insulating ring 110 and the flat conductor 120 provided therein are combined by, for example, buried injection, a thimble (not shown) is used to pass through the first through hole and the second through hole at the same time. The effect of maintaining the relative position between the two.

Moreover, in this embodiment, the inner edge of the second through hole is within the range of the inner edge of the first through hole. With this structural configuration, when the insulating ring 110 and the flat conductor 120 provided therein are combined by, for example, buried injection, a thimble pin (not shown) is used to abut the flat conductor 120 through the first through hole, thereby achieving The effect of preventing the flat conductor 120 from being deformed due to the pressure of the injection process.

In addition, as shown in FIG. 4 and with reference to FIG. 3, in this embodiment, the flat conductor 120 provided with the conductive hole has a cross-sectional area defined by a width W and a thickness T. The cross-sectional area is proportional to the area of the conductive hole 123b2.

Please refer to Figure 5 to Figure 7. FIG. 5 is an exploded perspective view showing a motor stator wire fixing device 300 and a winding frame 210 according to another embodiment of the present invention. FIG. 6 is a partial perspective view illustrating a flat conductor 320 according to another embodiment of the present invention. FIG. 7 is another partial perspective view showing the flat conductor 320 in FIG. 6.

As shown in FIG. 5 to FIG. 7, in this embodiment, the motor stator wire fixing device 300 includes a plurality of insulating rings 310 (only one is labeled as an example in FIG. 6) and a plurality of flat conductors 320. The structure and function of the insulating ring 310 are substantially the same as those of the insulating ring 110 shown in FIG. 2A to FIG. 4. Therefore, reference may be made to the foregoing related description, and details are not described herein. It should be noted that the flatness of this embodiment The flat conductors 320 each include a buried depth section 321, two fixed wire sections 322, and two protruding ends 323a, 323b. The buried depth section 321 is configured to be accommodated in the insulating ring 110, and its shape conforms to a part of the shape of the insulating ring 110 and is arc-shaped. The fixed line segment 322 is formed by horizontally extending from both ends of the buried depth segment 321 (the boundary between the solid line segment 322 and the buried depth segment 321 is shown by dotted lines in FIGS. 6 and 7). The protruding ends 323a and 323b are respectively formed by bending and extending the two fixed wire segments 322, and are exposed outside the corresponding insulating ring 110 (the boundaries between the fixed wire segments 322 and the protruding ends 323a and 323b are shown in Figs. 6 and 7 respectively. (Indicated by dashed lines in the figure).

Further, the protruding end 323a includes a protruding portion 323a1 and a bent portion 323a2. The protruding portion 323a1 is formed by bending and extending the corresponding fixed line segment 322. The bent portion 323a2 is connected to the protruding portion 323a1, and is located on the same side of the protruding portion 323a1 as the buried portion 321. Specifically, the bent portion 323a2 is bent in a U-shape, and one end of the bent portion 323a2 is connected to the protruding portion 323a1 by substantially vertical bending to form a socket notch 323a21 configured to be fixed with a knot (not shown). It can be seen from this that the bent portion 323a2 is not substantially at the same horizontal plane as the buried depth section 321, the fixed line section 322, and the protruding portion 323a1. During assembly, the assembler can press and bend the knot extending from the motor stator knot fixing device 300 (ie, at the winding frame 210) and insert it into the socket notch 323a21 to complete the knot fixing operation.

In addition, the protruding end 323b includes a protruding portion 323b1 and bent portions 323b2 and 323b3. The protruding portion 323 b 1 is formed by bending and extending the corresponding fixed line segment 322. The bent portions 323b2 and 323b3 are respectively connected to opposite sides of the protruding portion 323b1, wherein the bent portion 323b2 and the buried depth section 321 are located on the same side of the protruding portion 323b1, and the bent portion 323b3 and the buried depth section 321 are located on the protruding portion Different sides of 323b1. Specifically, each of the bent portions 323b2 and 323b3 is substantially vertically bent and connected at one end thereof. The protruding portions 323b1 are connected to each other and bent in a U shape. The bent portion 323b2 is bent to form a socket notch 323b21 configured to be fixed to a knot (not shown). The bent portion 323b3 is bent to form a notch 323b31 configured to fix the socket with a power cord (not shown). From this, it can be seen that the bent portions 323b2 and 323b3 are not substantially at the same horizontal plane as the buried depth section 321, the fixed line section 322 and the protruding section 323b1. During assembly, the assembler can press and bend the knot extending from the motor stator knot fixing device 300 (ie, at the winding frame 210) and insert it into the socket notch 323b2 to complete the knot fixing operation. In contrast, the assembler can press and bend the power cord extended above the motor stator wire fixing device 300 and insert it into the socket notch 323b3 to complete the power cord fixing operation.

From the above detailed description of the specific embodiments of the present invention, it can be clearly seen that, in the motor stator wire fixing device of the present invention, the insulating ring is assembled in a way that the bumps correspond to the recessed holes, which can be transmitted through Rotate the angles of the insulation rings of each phase to quickly perform alignment, thereby achieving the purpose of facilitating the installation and adjustment of the insulation rings. Moreover, by providing a socket notch on the same side edge of the protruding end of the flat conductor exposed to the outside of the insulation ring, all the flat conductors can be contacted with the knots and fixed at the same time by rotating the insulation rings of each phase, thereby achieving rapid progress. The purpose of the knot fixing operation. Furthermore, by providing the first positioning portion and the second positioning portion that can be positioned to each other on the insulating ring and the flat conductor provided therein, the relative position between the two can be maintained during the combination of the two. Moreover, by designing the first positioning portion and the second positioning portion as a first through hole and a second through hole, respectively, and the inner edge of the second through hole is within the range of the inner edge of the first through hole. In addition to using the method of embedding and injecting, the thimble can pass through the first through hole and the second through hole at the same time to maintain the insulation ring and the flat conductor arranged in it. In addition to the relative position of the flat conductor, the flat conductor can be pressed against the flat conductor through the first through hole to prevent the flat conductor from being deformed due to the pressure of the injection process.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Any person skilled in the art can make various modifications and retouches without departing from the spirit and scope of the present invention. Therefore, the protection of the present invention The scope shall be determined by the scope of the attached patent application.

Claims (12)

A motor stator wire fixing device includes: a plurality of insulation rings, each of which has a first positioning portion, each of the insulation rings has opposite ends, and has a convex point and a concave hole, respectively, wherein The insulating rings are stacked in layers corresponding to the concave holes corresponding to the convex points; and a plurality of flat conductors each include: a buried deep section accommodated in the corresponding insulating ring, and a second positioning portion and Corresponding to the first positioning portion of the insulation ring; two fixed wire segments are formed by horizontally extending from both ends of the buried depth segment; and two protruding ends are respectively formed by bending and extending the fixed wire segments and are exposed Outside the corresponding insulating ring. The motor stator wire fixing device according to claim 1, wherein each of the protruding ends is a sheet body, and a side edge of each of the protruding ends is provided with a set of connecting notches. The motor stator wire fixing device according to claim 2, wherein one of the protruding ends of the flat conductors is provided with a guide hole. The motor stator wire fixing device according to claim 3, wherein the flat conductor provided with the lead-through hole has a cross-sectional area defined by a width and a thickness, and the cross-sectional area is proportional to one of the lead-through holes area. The motor stator wire fixing device according to claim 3, wherein the motor stator wire fixing device is configured to be fixed to a winding frame on which a plurality of motor stator winding groups are wound, and the flat conductors The number of the socket notches is twice the number of the motor stator winding groups. The motor stator wire fixing device according to claim 1, wherein each of the insulation rings includes: a body having the end surfaces and a side surface connected between the end surfaces, and the body partially accommodates the corresponding A flat conductor; a buckle provided on the side; and a groove provided on the side, wherein when the insulating rings are laminated, the buckle of one of the insulating rings and the insulating rings The other one of the card slots is engaged with each other. The motor stator wire fixing device according to claim 1, wherein the corresponding first positioning portion and the second positioning portion are a first through hole and a second through hole, respectively, and the first through hole is adjacent to the first through hole第二 通 孔。 The second through hole. The motor stator wire fixing device according to claim 7, wherein an inner edge of the second through hole is within a range of an inner edge of the first through hole. The motor stator wire fixing device according to claim 1, wherein the materials of the insulating rings include plastic and glass fiber. The motor stator wire fixing device according to claim 9, wherein the plastic comprises polyethylene terephthalate. The motor stator wire fixing device according to claim 1, wherein each of the protruding ends includes: a protruding portion formed by bending and extending the corresponding fixed wire segment; and a bent portion whose one end is substantially vertically bent The fold is connected to form a set of connecting notches. The motor stator wire fixing device according to claim 1, wherein one of the protruding ends of the flat conductors includes: a protruding portion formed by bending and extending the corresponding fixed wire segment; and two bent portions Each of the bent portions is substantially vertically connected to the protruding portion to form a set of connecting notches, and the bent portions are connected to opposite sides of the protruding portion.