CN111987879A - Outgoing structure of series double stator motor - Google Patents

Abstract

The invention provides an outlet structure of a series-type double-stator motor, wherein a terminal fixing member is installed on the double-stator motor, and each side of the terminal fixing member is provided with a first terminal fixing part and a second terminal fixing part part, so that the outlet head of the side stator is fixed on the first terminal fixing part through the first connection terminal, and is fixed on the second terminal fixing part through the second connection terminal; the first terminals located on both sides of the connection terminal fixing part The fixing part and the second terminal fixing part are respectively arranged diagonally, every two diagonal first wiring terminals are connected by a first connecting piece, and a second wiring terminal located on one side of the wiring terminal fixing piece is connected with a The second connecting piece, the second connecting terminal on the other side is also relatively fixed with a third connecting terminal for connecting the external cable, and the second terminal fixing part has a slope, so that the external cable can be out of the top, front or rear. , reducing the number of parts and reducing the difficulty of management.

Description

Outgoing structure of series double stator motor

technical field

The invention relates to the technical field of double-stator motors, in particular to an outlet structure of a series-type double-stator motor.

Background technique

Double stator motor refers to a motor with two stators, which has the advantages of high precision, fast response, high acceleration, high overload capacity, high mechanical integration, high utilization rate of motor structure materials, and flexible and diverse drive control systems. Under the same conditions, the volume and weight of the mechanical system can be greatly reduced, and the accuracy and dynamic performance of the system can be improved, so it has a wide range of application prospects in the fields of buses, sanitation vehicles, trucks, CNC machine tools, and robots.

However, different manufacturers or different platforms have different requirements for the outlet direction of the motor. At present, there are three outlet methods: top outlet, front outlet, and rear outlet. And each outlet mode of the double stator motor has a different outlet structure, so that each set of components has a different shape, which not only increases the number of components and production costs, but also increases the difficulty of management, which greatly reduces the applicability.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides an outlet structure of a series double-stator motor that effectively reduces the production cost and has strong applicability.

An outlet structure of a series double-stator motor includes a terminal fixing piece, a first wiring terminal, a second wiring terminal, a third wiring terminal, a third connecting piece, a second connecting piece and an external cable, and the wiring terminal is fixed The two stators are installed on the double-stator motor, the two sides of the terminal fixing member correspond to two stators respectively, wherein each side of the terminal fixing member is provided with an equal number of first terminal fixing parts and the second terminal fixing part, so that the wire outlet of the stator on the side is fixed on the first terminal fixing part through the first connecting terminal, and is fixed on the second terminal fixing part through the second connecting terminal Ministry;

The first terminal fixing portion and the second terminal fixing portion located on both sides of the terminal fixing member are respectively arranged diagonally, and the second terminal fixing portion passes between each two diagonal first wiring terminals. A connecting piece is connected, a second connecting piece is connected between the second connecting terminals on one side of the connecting terminal fixing piece, and a second connecting piece is relatively fixed on the second connecting terminal on the other side for connecting the external The third connection terminal of the cable, wherein the second terminal fixing part has an inclination, so that the external cable can go out in a top, front or rear manner.

Further, the second terminal includes a second terminal socket part and a second terminal contact part, the second terminal socket part and the second terminal contact part are connected, wherein the second terminal socket part It is used to connect the outlet, the second terminal abutting part is used to be fixed on the second terminal fixing part, and the angle between the second terminal socket part and the second terminal abutting part is the same as the second terminal abutting part. The inclination of the second terminal fixing portion is adapted;

The third terminal includes a third terminal socket part and a third terminal contact part, the third terminal socket part and the third terminal contact part are connected, wherein the third terminal socket part For connecting the external cable, the third terminal abutting part is used to be fixed on the second terminal abutting part of the second connection terminal, and the third terminal socket part abuts the third terminal The included angle between the parts is consistent with the included angle between the second terminal socket part and the second terminal abutting part.

Further, the third terminal socket part and the second terminal socket part are located on both sides, so that the external cable is arranged vertically, thereby realizing the top outlet of the external cable.

Further, the third terminal socket part and the second terminal socket part are located on the same side, so that the external cable is arranged horizontally, so as to realize the front or rear outlet of the external cable.

Further, the first terminal fixing portion is flat;

The first terminal includes a first terminal socket part and a first terminal abutting part, the first terminal socket part and the first terminal abutting part are connected, and the two are vertically arranged, wherein the The first terminal socket part is used to connect the wire head, and the first terminal abutting part is used to be fixed on the first terminal fixing part.

Further, it also includes a junction box, the junction box has an accommodating cavity, when the junction box is installed on the double-stator motor, the terminal fixing member is located in the accommodating cavity, and the junction box is opened There are top outlet holes for the top outlet of the external cable, and front and rear outlet holes for the front and rear outlet of the external cable.

Further, the junction box is also provided with a locking hole, and the locking hole is located between the top wire outlet hole and the front and rear wire outlet holes.

Further, the connection terminal fixing member is provided with a first avoidance groove for avoiding the installation of the first connecting member, and the first avoidance groove is located between the two second terminal fixing portions on both sides of which are diagonal.

Further, the wiring terminal fixing piece includes two wiring positioning blocks, each of which is correspondingly mounted on the stator, and the wiring positioning block is provided with the first terminal fixing part and the second terminal The fixed part is set at intervals.

Further, the connection terminal fixing member has an integrated structure, and a baffle plate is provided between the first terminal fixing portion and the second terminal fixing portion.

Further, the slope of the second terminal fixing portion is 45°.

Compared with the prior art, the technical solution has the following advantages:

The first terminal fixing portion and the second terminal fixing portion located on both sides of the terminal fixing member are respectively arranged diagonally, and the second terminal fixing portion passes between each two diagonal first wiring terminals. A connecting piece is connected to realize the series connection of the three-phase windings of the stators on both sides, wherein the second terminal fixing part has a slope, and is assembled and matched by the first terminal, the second terminal and the third terminal at different angles, so that the external cables can be routed from the top, front or rear. Compared with the prior art, each wire outlet direction corresponds to a set of wire outlet structures, which reduces the number of components, reduces production costs, reduces management difficulty, and effectively improves applicability. And there are two ways for the top outlet of the external cable. The bolts can be locked in and locked from the diagonally above the rear side or the front side. The top outlet form that is easy to assemble can be selected according to the specific use scene of the motor.

The present invention is further described below in conjunction with the accompanying drawings and embodiments.

Description of drawings

FIG. 1 shows a schematic structural diagram of the first embodiment of the wire outlet structure of the double stator motor according to the present invention;

Fig. 2 shows the exploded view of the outlet structure of the double stator motor described in Fig. 1;

FIG. 3 shows a schematic structural diagram of the first embodiment of the connection terminal fixing member in FIG. 1;

FIG. 4 shows a schematic structural diagram of the second embodiment of the connection terminal fixing member in FIG. 1;

Fig. 5 shows the structural schematic diagram of the wiring positioning block described in Fig. 1;

FIG. 6 shows a schematic structural diagram of the first connector in FIG. 1;

FIG. 7 shows a schematic structural diagram of the second connector in FIG. 1;

FIG. 8 shows a schematic diagram of the series connection of the outlet structures of the double-stator motor in FIG. 1;

Fig. 9 shows the schematic diagram of the wire outlet of the single-sided stator in Fig. 1;

Fig. 10 shows a schematic diagram of the first embodiment of the top wire outlet of the wire outlet structure of the double stator motor described in Fig. 1;

Figure 11 shows a cross-sectional view of the top outlet of the wire outlet structure of the double stator motor described in Figure 10;

Fig. 12 shows a schematic diagram of the second embodiment of the top outlet of the outlet structure of the double stator motor described in Fig. 1;

Figure 13 shows a cross-sectional view of the top outlet of the wire outlet structure of the double stator motor described in Figure 12;

Fig. 14 shows a schematic diagram of the rear outlet of the outlet structure of the double stator motor described in Fig. 1;

Figure 15 shows a cross-sectional view of the rear outlet of the wire outlet structure of the double stator motor described in Figure 14;

Fig. 16 shows a schematic diagram of the front wire outlet of the wire outlet structure of the double stator motor described in Fig. 1;

FIG. 17 shows a cross-sectional view of the front outgoing wire of the outgoing wire structure of the double stator motor described in FIG. 16;

Fig. 18 shows a schematic structural diagram of the second embodiment of the wire outlet structure of the double-stator motor according to the present invention;

Fig. 19 shows an exploded view of the outlet structure of the double stator motor described in Fig. 18;

Fig. 20 shows a schematic structural diagram of the first embodiment of the terminal fixing member in Fig. 18;

Fig. 21 shows a schematic structural diagram of the second embodiment of the terminal fixing member in Fig. 18;

Fig. 22 shows a schematic structural diagram of the wiring positioning block described in Fig. 18;

Figure 23 shows a schematic structural diagram of the third connector in Figure 18;

Fig. 24 shows a schematic structural diagram of the fourth connector in Fig. 18;

FIG. 25 shows a schematic diagram of the star-point connection of the outgoing wire structure of the double-stator motor described in FIG. 18;

FIG. 26 shows a schematic diagram of the parallel connection of the outlet structures of the dual-stator motor in FIG. 18;

Fig. 27 shows a schematic diagram of the wire outlet of the single-sided stator in Fig. 18;

Fig. 28 shows a schematic diagram of the first embodiment of the top wire outlet of the wire outlet structure of the double stator motor described in Fig. 18;

Figure 29 shows a cross-sectional view of the top outlet of the wire outlet structure of the double stator motor described in Figure 28;

Fig. 30 shows a schematic diagram of the second embodiment of the top wire outlet of the wire outlet structure of the double stator motor described in Fig. 18;

Figure 31 shows a cross-sectional view of the top outlet of the wire outlet structure of the double stator motor described in Figure 30;

Figure 32 shows a schematic diagram of the rear outlet of the wire outlet structure of the double stator motor described in Figure 18;

Figure 33 shows a cross-sectional view of the rear outlet of the wire outlet structure of the double stator motor described in Figure 32;

Fig. 34 shows a schematic diagram of the front wire outlet of the wire outlet structure of the double stator motor described in Fig. 18;

Figure 35 shows a cross-sectional view of the front outlet of the wire outlet structure of the double stator motor described in Figure 34;

Figure 36 shows a perspective view showing the first connection terminal according to the present invention;

Figure 37 shows a front view of the first connection terminal according to the present invention;

Figure 38 shows a perspective view of the second connection terminal according to the present invention;

Figure 39 shows a front view of the second connection terminal according to the present invention;

Figure 40 shows a schematic diagram of the structure of the external cable according to the present invention;

Figure 41 shows a schematic structural diagram of the junction box according to the present invention.

Detailed ways

The following description serves to disclose the invention to enable those skilled in the art to practice the invention. The preferred embodiments described below are given by way of example only, and other obvious modifications will occur to those skilled in the art. The basic principles of the invention defined in the following description may be applied to other embodiments, variations, improvements, equivalents, and other technical solutions without departing from the spirit and scope of the invention.

It should be understood by those skilled in the art that in the disclosure of the present invention, the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by vertical, horizontal, top, bottom, inner, outer, etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and to simplify the description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus the above terms should not be construed as limiting the invention.

It should be understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be one. The number may be plural, and the term "one" should not be understood as a limitation on the number.

As shown in FIG. 1 to FIG. 40 , the outgoing structure of the double-stator motor includes terminal fixing parts 100a, 100b, 100c and 100d, a first terminal 200, a second terminal 300, a third terminal 400 and an external connection In the cable 500, the terminal fixing parts 100a, 100b, 100c and 100d are installed on the double stator motor, and the two sides of the connection terminal fixing parts 100a, 100b, 100c and 100d correspond to two stators respectively, that is, the wiring Each side of the terminal fixing members 100a, 100b, 100c and 100d corresponds to a stator respectively, wherein each side of the terminal fixing members 100a, 100b, 100c and 100d is provided with an equal number of first terminal fixing parts 1001 and the second terminal fixing part 1002, so that the outgoing head of the three-phase winding of the stator on this side is fixed on the first terminal fixing part 1001 through the first connecting terminal 200, and through the second connecting terminal 300 is fixed on the second terminal fixing part 1002, and the second terminal 300 on the side of the terminal fixing parts 100a, 100b, 100c and 100d is also relatively fixed with a connection for connecting the external cable 500 The third connection terminal 400, wherein the second terminal fixing part 1002 has an inclination, so that the external cable 500 can be routed from the top, the front or the rear.

Specifically, the shape of the second terminal 300 is adapted to the second terminal fixing portion 1002 . Referring to FIG. 38 and FIG. 39 , the second terminal 300 includes a second terminal socket 310 and a second terminal socket 310 . Two terminal abutting parts 320, the second terminal socket part 310 and the second terminal abutting part 320 are connected, wherein the second terminal socket part 310 is used for socketing the wire head, of course, welding or The second terminal abutting part 320 is used to be fixed on the second terminal fixing part 1002 , and the connection between the second terminal socket part 310 and the second terminal abutting part 320 is The included angle is determined by the inclination of the second terminal fixing portion 1002 so as to adapt to the second terminal fixing portion 1002 having the inclination. For example, the inclination of the second terminal fixing portion 1002 is 15°˜90°, preferably 45°, and the angle between the second terminal socket portion 310 and the second terminal abutting portion 320 is 145°. °.

As shown in FIG. 40 , the third terminal 400 includes a third terminal socket part 410 and a third terminal abutting part 420 , and the third terminal socket part 410 is in phase with the third terminal abutting part 420 . connection, wherein the third terminal socket part 410 is used for socketing the external cable 500, of course, it can also be connected by welding or crimping, and the third terminal abutting part 420 is used for fixing on the external cable 500. on the second terminal contact portion 320 of the second connection terminal 300 . The included angle between the third terminal socket portion 410 and the third terminal abutting portion 420 is 105°˜180°, preferably 145°. It can be seen that the shapes of the third connection terminal 400 and the second connection terminal 300 may be the same.

More specifically, when the third terminal abutting portion 420 is fixed on the second terminal abutting portion 320, and the third terminal socket portion 410 and the second terminal socket portion 310 are located on both sides , so that the external cable 500 is arranged vertically, so as to realize the top outlet of the external cable 500 , refer to FIGS. 10 , 12 , 28 and 30 . When the third terminal abutting portion 420 is fixed on the second terminal abutting portion 320, and the third terminal socket portion 410 and the second terminal socket portion 310 are located on the same side, the external The cables 500 are arranged horizontally, so as to realize the front or rear outlet of the external cables 500 , refer to FIGS. 14 , 16 , 32 and 34 .

The first terminal fixing part 1001 is flat. As shown in FIG. 36 and FIG. 37 , the first terminal 200 includes a first terminal socket part 210 and a first terminal abutting part 220 . The first terminal socket The connecting portion 210 is connected to the first terminal abutting portion 220, and the two are vertically arranged, wherein the first terminal socket portion 210 is used for socketing the outgoing wire, and of course, welding or crimping can also be used to carry out For connection, the first terminal abutting portion 220 is used to be fixed on the first terminal fixing portion 1001 so as to adapt to the flat first terminal fixing portion 1001 .

It should be noted that, in the double stator motor, there are two connection modes of series connection and parallel connection between the outlet heads of the three-phase windings of the stator on both sides. The three windings of the stator are connected in series. When the two outlet heads are connected in parallel, that is, the three-phase windings of the stator on both sides are connected in parallel. The following two embodiments will introduce the different outlet methods of the double-stator motor in the case of parallel connection and series connection:

first embodiment

As shown in FIG. 1 to FIG. 17 , in the outgoing structure of the double-stator motor, the three-phase windings of the stator on both sides are connected in series, which includes terminal fixing parts 100a and 100b, a first terminal 200, a second terminal The connection terminal 300, the third connection terminal 400, the third connection piece 610, the second connection piece 620 and the external cable 500, the connection terminal fixing pieces 100a and 100b are installed on the double stator motor, the connection terminal is fixed The two sides of the connection terminal fixing parts 100a and 100b correspond to two stators respectively, that is, each side of the connection terminal fixing parts 100a and 100b respectively corresponds to a stator, wherein each side of the connection terminal fixing parts 100a and 100b is provided with a stator. The first terminal fixing part 1001 and the second terminal fixing part 1002 are equal in number, so that the outgoing head of the three-phase winding of the stator on this side is fixed on the first terminal fixing part 1001 through the first connecting terminal 200 , and is fixed on the second terminal fixing portion 1002 through the second terminal 300;

The first terminal fixing portion 1001 and the second terminal fixing portion 1002 located on both sides of the terminal fixing members 100a and 100b are respectively arranged diagonally, and each two of the first wiring terminals 200 are diagonally arranged. are connected by the first connecting piece 610, the second connecting piece 620 is connected between the second connecting piece 300 on one side of the connecting piece fixing pieces 100a and 100b, and the second connecting piece 620 on the other side The connection terminal 300 is also relatively fixed with a third connection terminal 400 for connecting the external cable 500, wherein the second terminal fixing portion 1002 has a slope, so that the external cable 500 can be connected to the top, front or rear. out.

As shown in FIG. 1 to FIG. 3 , the double-stator motor includes a front stator B and a rear stator A. The connection terminal fixing parts 100a and 100b are mounted on the double-stator motor, and the two sides thereof are respectively connected with the front stator B and the rear stator A. The rear stator A corresponds. The side faces of the terminal fixing parts 100a and 100b opposite to the front stator B are marked as B side, and the side opposite to the rear stator A is marked as B side, and the B side of the wire terminal fixing members 100a and 100b There are three first terminal fixing parts 1001 and three second terminal fixing parts 1002 arranged thereon, and the two are arranged at intervals. Three of the first terminal fixing parts 1001 and three of the second terminal fixing parts 1002 are provided on the A side of the wire terminal fixing members 100a and 100b, and the two are arranged at intervals, and the first terminal fixing part 1002 is located on the A side. A terminal fixing part 1001 is arranged diagonally with the first terminal fixing part 1001 on the B side, and the second terminal fixing part 1002 on the A side and the second terminal fixing part 1002 on the B side are arranged diagonally. Diagonal setting. It can be seen that the first terminal fixing portion 1001 on the A side is the second terminal fixing portion 1002 opposite to the B side, and the second terminal fixing portion 1002 on the A side is opposite to the B side. The first terminal fixing portion 1001 . The first terminal fixing portion 1001 is flat, and the second terminal fixing portion 1002 is inclined.

Specifically, the front stator B and the rear stator A each include three windings U, V and W, wherein each phase winding of the front stator B and the rear stator A has two outlet ends U1 and U2, V1 and V2, W1 and W2 respectively 9, that is, the front stator B and the rear stator A each have six outlet heads, wherein the outlet heads U1, V1 and W1 are correspondingly connected to the second terminal 300, and the outlet heads U2, V2 and W2 are correspondingly connected to the The first connection terminal 200, the second connection terminal 300 are fixed on the second terminal fixing part 1002, the first connection terminal 200 is fixed on the first terminal fixing part 1001, and the The second connection terminal 300 and the second connection terminal 300 at the B side are also arranged diagonally, and the first connection terminal 200 at the A side and the first connection terminal 200 at the B side are also arranged diagonally. Set diagonally, see Figure 3.

As shown in FIG. 8 , each two diagonal first connection terminals 200 are connected by the first connecting member 610 . Specifically, the number of the first connection terminals 200 installed on the connection terminal fixing members 100a and 100b is six, and at this time, the number of the first connection members 610 is three, and each of the first connection members 610 is connected to Two of the first connection terminals 200 are arranged adjacently and diagonally to realize series connection. At this time, the three first connecting members 610 are arranged parallel to each other.

As shown in FIGS. 10 , 12 , 14 and 16 , a second connecting member 620 is connected between the second connecting terminals 300 on one side of the connecting terminal fixing members 100 a and 100 b , and the second connecting member 620 on the other side is The connection terminal 300 is also relatively fixed with a third connection terminal 400 for connecting the external cable 500, so that the external cable 500 can be routed from the top, front or rear.

As shown in FIG. 10 and FIG. 11 , a second connector 620 is connected between the three second connection terminals 300 on the B side, and each of the second connection terminals 300 on the A side passes through the The three connection terminals 400 are connected to the external cable 500 . Since the second terminal fixing portion 1002 has a slope, the third terminal abutting portion 420 abuts on the second terminal abutting portion 320 , and the third terminal socket portion 410 and the The second terminal socket parts 310 are located on both sides, so that the external cable 500 is arranged vertically, so that the external cable 500 can be routed from the top of the rear side of the double-stator motor.

As shown in FIG. 12 and FIG. 13 , a second connecting piece 620 is connected between the three second connecting terminals 300 on the A side, and each of the second connecting terminals 300 on the B side passes through the third connecting terminals 300 respectively. The three connection terminals 400 are connected to the external cable 500 . Since the second terminal fixing portion 1002 has a slope, the third terminal abutting portion 420 abuts on the second terminal abutting portion 320 , and the third terminal socket portion 410 and the The second terminal socket parts 310 are located on both sides, so that the external cable 500 is arranged vertically, so that the external cable 500 can be routed from the top of the front side of the double-stator motor.

As shown in FIG. 14 and FIG. 15 , a second connector 620 is connected between the three second connection terminals 300 on the B side, and each of the second connection terminals 300 on the A side passes through the The three connection terminals 400 are connected to the external cable 500 . Since the second terminal fixing portion 1002 has a slope, the third terminal abutting portion 420 abuts on the second terminal abutting portion 320 , and the third terminal socket portion 410 and the The second terminal socket parts 310 are located on the same side, so that the external cable 500 is arranged horizontally, so that the external cable 500 can be routed from the rear side of the double stator motor.

As shown in FIG. 16 and FIG. 17 , a second connector 620 is connected between the three second connection terminals 300 on the A side, and each of the second connection terminals 300 on the B side passes through the The three connection terminals 400 are connected to the external cable 500 . Since the second terminal fixing portion 1002 has a slope, the third terminal abutting portion 420 abuts on the second terminal abutting portion 320 , and the third terminal socket portion 410 and the The second terminal socket parts 310 are located on the same side, so that the external cables 500 are arranged horizontally, so that the external cables 500 can be routed from the front side of the double stator motor.

As shown in FIGS. 3 , 4 , 6 and 8 , the terminal fixing members 100 a and 100 b are provided with first escape grooves 1003 a and 1003 b for avoiding the installation of the first connecting member 610 . The first escape grooves 1003 a and 1003 b 1003b is located between the two second terminal fixing parts 1002 with two diagonal sides, so that the two ends of the first connector 610 installed in the first escape grooves 1003a and 1003b can be connected diagonally. of the two first connection terminals 200. It can be seen that the shapes of the first escape grooves 1003a and 1003b are adapted to the shape of the first connecting member 610. Referring to FIG. 6, the first connecting member 610 is in a line shape, and the first escape grooves 1003a and 1003b are in a straight line. 1003b is also in the shape of a straight line. Of course, the first connecting member 610 can also be in other shapes, such as an S shape.

As shown in FIGS. 7 , 10 , 12 , 14 and 16 , the second connecting member 620 includes a second connecting part 621 and three second connecting branch parts 622 , and the three second connecting branch parts 622 are respectively connected with the second connecting part 621 The connecting portions 621 are vertically arranged and are arranged at intervals along the length direction of the second connecting portions 621 , so that each of the second connecting branches 622 is respectively connected to one of the second connecting terminals 300 .

The aforementioned first connection terminal 200 , the second connection terminal 300 , the third connection terminal 400 , the first connecting member 610 and the second connecting member 620 are all made of copper material to achieve electrical connection between the two.

In addition, the first terminal abutting part 220 , the second terminal abutting part 320 , the third terminal abutting part 420 , the first connecting piece 610 and the second connecting piece 620 can all pass through bolts Fixed connection. Specifically, referring to FIG. 5 , the first terminal fixing portion 1001 is embedded with a first nut 111 , so that the first terminal 200 is screwed with the first nut 111 through bolts and fixed to the on the first terminal fixing portion 1001 . A second nut 112 is embedded in the second terminal fixing part 1002 , so that the second terminal 300 is screwed with the second nut 112 by bolts and fixed on the second terminal fixing part 1002 . 10 , 12 , 14 and 16 , further, the first connecting member 610 , the first wiring terminal 200 and the first terminal fixing portion 1001 may be fixed by a bolt. Furthermore, the second terminal 300 , the third terminal 400 and the second terminal fixing portion 1002 can be fixed by a bolt. Furthermore, the second terminal fixing portion 1002 , the second wiring terminal 300 and the second connecting member 620 may be fixed by a bolt.

As shown in FIG. 3 and FIG. 5 , the wiring terminal fixing member 100a includes two wiring positioning blocks 110a, and each of the wiring positioning blocks 110a is correspondingly installed on the stator, that is, the front stator B and the rear stator A are respectively installed There is one of the wire positioning blocks 110a, and there may be a gap therebetween. The wiring positioning block 110a is provided with three first terminal fixing parts 1001 and three second terminal fixing parts 1002, the first terminal fixing parts 1001 and three second terminal fixing parts 1002 are arranged at intervals along the length direction of the wiring positioning blocks 110a. When the two wiring positioning blocks 110a are installed on the terminal fixing member 100a, the first terminal fixing parts 1001 on both sides are arranged diagonally, and the two The side second terminal fixing parts 1002 are also arranged diagonally, and the first escape groove 1003a is formed between the two diagonal second terminal fixing parts 1002 . The wiring positioning block 110a can be fixed on the stator by bolts.

As shown in FIG. 4 , the terminal fixing member 100b has a one-piece structure, a baffle 1004 is provided between the first terminal fixing part 1001 and the second terminal fixing part 1002 , and the first terminal fixing part 1004 on both sides is The terminal fixing parts 1001 are arranged diagonally, the second terminal fixing parts 1002 on both sides are also arranged diagonally, and the first avoiding grooves are formed between the two second terminal fixing parts 1002 which are diagonally arranged. 1003b.

As shown in Figures 1, 4 and 41, the wire outlet structure of the double-stator motor further includes a junction box 700. The junction box 700 has an accommodating cavity. When the junction box 700 is installed on the double-stator motor, The terminal fixing members 100a and 100b, the first terminal 200 and the second terminal 300 are located in the accommodating cavity. The junction box 700 is provided with a top outlet hole 710 for the top outlet of the external cable 500 , and front and rear outlet holes 720 for the front and rear outlet of the external cable 500 . When the external cable 500 exits from the top, the junction box 700 is fixed on the double-stator motor by bolts, so that the external cable 500 can pass through the top exit hole 710, and finally can pass through the waterproof screw. Sleeve and sealing plug for sealing. When the external cable 500 is outgoing from the front side, the side of the junction box 700 with the front and rear outgoing holes 720 faces the B side, so that the external cable 500 can pass through the front and rear outgoing holes 720, so the When the external cable 500 has a rear outlet, the side of the junction box 700 with the front and rear outlet holes 720 faces the A side, so that the external cable 500 can pass through the front and rear outlet holes 720 .

The numbers of the top cable outlet holes 710 and the front and rear cable outlet holes 720 are respectively the same as the number of the external cables 500 .

Specifically, the junction box 700 is in the shape of a cuboid, and includes a top surface 7001 of the junction box and a side surface 7002 of the junction box. The top surface 7001 of the junction box is provided with three of the top outlet holes 710 . Three of the front and rear wire outlet holes 720 are opened. The top surface 7001 of the junction box and the side surface 7002 of the junction box are vertically arranged, so that the axes of the top wire outlet hole 710 and the front and rear wire outlet holes 720 are vertical.

Continuing to refer to FIG. 41 , the junction box 700 is also provided with a locking hole 730 , so that the bolt locks the third connecting terminal 400 connected to the external cable 500 , for example, a screwdriver passes through the locking hole 730 and acts on the The bolts on the third connection terminal 400, so that the bolts lock the external cables 500 out of the top, front or rear. The locking hole 730 is located between the top wire outlet hole 710 and the front and rear wire outlet holes 720 .

Specifically, the junction box 700 includes a junction box slope 7003, the junction box slope 7003 is located between the junction box top surface 7001 and the junction box side surface 7002, and the junction box slope 7003 is provided with three The locking hole 730 is described.

To sum up, the first terminal fixing portion 1001 and the second terminal fixing portion 1002 located on both sides of the terminal fixing members 100a and 100b are respectively arranged diagonally, and each two diagonal The first connection terminals 200 are connected through the first connecting member 610 to realize the three-phase windings of the stators on both sides in series, wherein the second terminal fixing portion 1002 has a slope, and through the first connection terminals 200, the first The second connection terminal 300 and the third connection terminal 400 are assembled and matched at different angles, so that the external cable 500 can be routed from the top, the front or the rear. Compared with the prior art, each wire outlet direction corresponds to a set of wire outlet structures, which reduces the number of components, reduces production costs, and reduces management difficulty. And there are two ways to exit the top of the external cable, that is, one is located at the top of the A side, and the bolts can be locked in and locked from the oblique upper part of the rear side. The other is located at the top of the B side. At this time, the bolts can be locked in and locked from the oblique upper part of the front side. According to the specific use scene of the motor, the top outlet form that is easy to assemble can be selected.

Second Embodiment

As shown in FIG. 18 to FIG. 40 , in the outgoing structure of the double-stator motor, the three-phase windings of the stator on both sides are connected in parallel, which includes terminal fixing parts 100c and 100d, a first terminal 200, a second terminal The connection terminal 300, the third connection terminal 400, the third connection piece 630, the fourth connection piece 640 and the external cable 500, the connection terminal fixing pieces 100c and 100d are installed on the double stator motor, the connection terminal is fixed Two stators are respectively corresponding to two sides of the parts 100c and 100d, and each side of the terminal fixing parts 100c and 100d is provided with an equal number of first terminal fixing parts 1001 and second terminal fixing parts 1002, so that the The outgoing head of the three-phase winding of the stator on this side is fixed on the first terminal fixing part 1001 through the first connecting terminal 200 , and is fixed on the second terminal fixing part through the second connecting terminal 300 1002;

The first terminal fixing portion 1001 and the second terminal fixing portion 1002 located on both sides of the terminal fixing members 100c and 100d are respectively disposed opposite to each other, and the third terminal fixing portion 200 passes between the plurality of first terminals 200. The connecting members 630 are connected, and the two opposite second terminals 300 on both sides are connected by a fourth connecting member 640, and the fourth connecting member 640 is located on the connecting terminal fixing members 100c and 100d A third connection terminal 400 for connecting the external cable 500 is also relatively fixed on one side, wherein the second terminal fixing part 1002 has an inclination, so that the external cable 500 can be out of the top, front or rear. .

As shown in FIG. 18 to FIG. 20 , the double-stator motor includes a front stator B and a rear stator A. The connection terminal fixing parts 100c and 100d are installed on the double-stator motor, and the two sides thereof are respectively connected with the front stator B and the rear stator A. The rear stator A corresponds. The side faces of the terminal fixing members 100c and 100d opposite to the front stator B are denoted as B side, and the side faces opposite to the rear stator A are denoted as A side, and the B side of the wire terminal fixing members 100a and 100b There are three first terminal fixing parts 1001 and three second terminal fixing parts 1002 arranged thereon, and the two are arranged at intervals. Three of the first terminal fixing parts 1001 and three of the second terminal fixing parts 1002 are provided on the A side of the connection terminal fixing members 100c and 100d, and the two are arranged at intervals, and the first terminal fixing part 1002 is located on the A side. A terminal fixing portion 1001 is disposed opposite to the first terminal fixing portion 1001 on the B side, and the second terminal fixing portion 1002 on the A side is opposite to the second terminal fixing portion 1002 on the B side set up. It can be seen that the first terminal fixing portion 1001 on the A side is the first terminal fixing portion 1001 on the B side, and the second terminal fixing portion 1002 on the A side is the B side facing the The second terminal fixing portion 1002 . The first terminal fixing portion 1001 is flat, and the second terminal fixing portion 1002 is inclined.

Referring to Figure 27, both the front stator B and the rear stator A include three windings U, V and W, wherein each phase winding of the front stator B and the rear stator A has two outlet ends U1 and U2, V1 and V2, W1 and W2, that is, the front stator B and the rear stator A each have six wire outlet heads, wherein the wire outlet heads U1, V1 and W1 are correspondingly connected to the second terminal 300, and the wire outlet heads U2, V2 and W2 are correspondingly connected to the first wire Terminal 200, the second terminal 300 is fixed on the second terminal fixing part 1002, the first terminal 200 is fixed on the first terminal fixing part 1001, at this time the first terminal on the A side The second connection terminals 300 are also arranged opposite to the second connection terminals 300 located on the B side, and the first connection terminals 200 located on the A side are also arranged opposite to the first connection terminals 200 located on the B side, Refer to Figure 20.

As shown in FIG. 25 , a plurality of the first connection terminals 200 are connected by the third connection member 630 . Specifically, the number of the first connection terminals 200 installed on the connection terminal fixing members 100c and 100d is six, and the quantity of the third connection member 630 is one at this time, so as to realize the star point connection.

As shown in FIG. 26 , the two second connection terminals 300 located on both sides and opposite to each other are connected by a fourth connection member 640 . Specifically, the number of the second connection terminals 300 installed on the connection terminal fixing parts 100c and 100d is six, and at this time, the number of the fourth connection parts 640 is three, and each of the fourth connection parts 640 is connected to The connection terminal fixing members 100c and 100d are opposite to the second connection terminal 300 on both sides, so as to realize parallel connection. At this time, the three fourth connecting members 640 are arranged in parallel.

More specifically, referring to FIG. 24 , the fourth connecting member 640 includes a fourth connecting part 641 and two fourth connecting branch parts 642 , and the two fourth connecting branch parts 642 are respectively connected to the fourth connecting part 641 , and each of the fourth connection branches 642 is respectively connected to one of the second terminals 300 , that is, abuts on the second terminal abutment 320 of the second terminal 300 , referring to FIG. 38 , It can be seen that the included angle between the two fourth connection branches 642 is determined by the inclination of the second terminal fixing portion 1002 . For example, the inclination of the second terminal fixing portion 1002 is 45°, and the included angle between the two fourth connection branches 642 is 90°.

As shown in FIGS. 28 , 30 , 32 and 34 , the fourth connecting member 640 is located on one side of the connecting terminal fixing members 100 c and 100 d and is relatively fixed with a third connecting terminal 400 for connecting the external cable 500 , The second terminal fixing portion 1002 has an inclination, so that the external cable 500 can be routed from the top, the front or the rear.

Referring to FIG. 28 and FIG. 29 , each of the fourth connectors 640 on the B side is connected to the external cable 500 through the third connection terminals 400 , respectively. Specifically, the third terminal abutting portion 420 of the third connecting terminal 400 abuts on the fourth connecting branch 642 located on the B side, since the second terminal fixing portion 1002 has a slope, and The third terminal socket portion 410 is arranged vertically, so that the external cable 500 can be routed from the top of the front side of the double-stator motor.

Referring to FIG. 30 and FIG. 31 , each of the fourth connecting pieces 640 on the A side is connected to the external cable 500 through the third connection terminal 400 , respectively. Specifically, the third terminal abutting portion 420 of the third connecting terminal 400 abuts on the fourth connecting branch 642 located on the A side, since the second terminal fixing portion 1002 has a slope, and The third terminal socket portion 410 is arranged vertically, so that the external cable 500 can be routed from the top of the rear side of the double-stator motor.

Referring to FIG. 32 and FIG. 33 , each of the fourth connectors 640 on the A side is connected to the external cable 500 through the third connection terminal 400 , respectively. Specifically, the third terminal abutting portion 420 of the third connecting terminal 400 abuts on the fourth connecting branch 642 located on the A side, since the second terminal fixing portion 1002 has a slope, and The third terminal socket portion 410 is arranged horizontally, so that the external cable 500 can be routed from the rear of the double-stator motor.

Referring to FIG. 34 and FIG. 35 , each of the fourth connectors 640 on the B side is connected to the external cable 500 through the third connection terminal 400 , respectively. Specifically, the third terminal abutting portion 420 of the third connecting terminal 400 abuts on the fourth connecting branch 642 located on the B side, since the second terminal fixing portion 1002 has a slope, and The third terminal socket portion 410 is arranged horizontally, so that the external cable 500 can be routed from the front of the double-stator motor.

As shown in FIGS. 21 , 23 and 25 , the third connecting member 630 includes a third connecting portion 631 and six third connecting branch portions 632 , and each third connecting branch portion 632 is respectively connected to the third connecting portion 631 , Each of the third connection branches 632 is correspondingly connected to one of the first connection terminals 200 , so that the third connection branches 632 abut against the first terminal abutment part 220 of the first connection terminal 200 . Since the first terminal fixing portions 1001 on both sides are arranged opposite to each other, the six third connecting branches 632 are symmetrically arranged on both sides of the third connecting portion 631, and the two opposite sides of the third connecting branch 632 are symmetrically arranged on both sides of the third connecting portion 631 respectively. There are second avoidance grooves 1005c and 1005d between the two terminal fixing parts 1002 for avoiding the connection of the third connecting parts 631, so that most of the third connecting parts 631 are located between the two second terminal fixing parts 1002, and pass through the third connecting parts 631. The third connecting branch 632 is connected to the first connecting terminal 200 on both sides and opposite to each other.

The aforementioned first connection terminal 200 , the second connection terminal 300 , the third connection terminal 400 , the third connection member 630 and the fourth connection member 640 are all made of copper material, so as to realize the electrical connection between them.

In addition, the first terminal abutting part 220 , the second terminal abutting part 320 , the third terminal abutting part 420 , the third connecting piece 630 and the fourth connecting piece 640 can all pass through Bolted connection. Specifically, referring to FIG. 22 , a first nut 111 is embedded in the first terminal fixing portion 1001 , so that the first terminal 200 is screwed with the first nut 111 by bolts and fixed to the on the first terminal fixing portion 1001 . A second nut 112 is embedded in the second terminal fixing part 1002 , so that the second terminal 300 is screwed with the second nut 112 by bolts and fixed on the second terminal fixing part 1002 . As shown in FIGS. 28 , 30 , 32 and 34 , further, the first terminal fixing portion 1001 , the first terminal abutting portion 220 and the third connecting member 630 may be fixed by a bolt. Furthermore, the second terminal fixing portion 1002 , the second terminal abutting portion 320 , the fourth connecting member 640 and the third terminal abutting portion 420 may be fixed by a bolt.

As shown in FIG. 20 and FIG. 22 , the wiring terminal fixture 100c includes two wiring positioning blocks 110c, and each of the wiring positioning blocks 110c is correspondingly installed on the stator, that is, the front stator B and the rear stator A are respectively installed There is the wiring positioning block 110c. The wiring positioning block 110c is provided with three first terminal fixing parts 1001 and three second terminal fixing parts 1002, the first terminal fixing parts 1001 and three second terminal fixing parts 1002 The wiring positioning blocks 110c are arranged at intervals along the length direction of the wiring positioning blocks 110c. When the two wiring positioning blocks 110c are mounted on the wiring terminal fixing member 100a, the first terminal fixing portions 1001 on both sides are arranged opposite to each other, and the first terminal fixing portions 1001 on both sides are opposite to each other. The second terminal fixing parts 1002 are also disposed opposite to each other, and there is a gap between the two wiring positioning blocks 110c, that is, the second avoiding groove 1005c is formed. The wiring positioning block 110c can be fixed on the stator by bolts.

As shown in FIG. 21 , the terminal fixing member 100d is an integral structure, the first terminal fixing parts 1001 on both sides are arranged oppositely, the second terminal fixing parts 1002 on both sides are also arranged oppositely, and the two The second escape groove 1005d is formed between the wiring positioning blocks 110c. A first nut 111 is embedded in the first terminal fixing portion 1001 , and a second nut 112 is embedded in the second terminal fixing portion 1002 .

As shown in FIG. 41 , the outgoing structure of the double-stator motor further includes a junction box 700. The specific structure of the junction box 700 can refer to the first embodiment, so the outgoing structure of the double-stator motor in this embodiment is composed of the junction box 700. For the beneficial effects, please refer to the above-mentioned embodiments.

To sum up, the first terminal fixing portion 1001 and the second terminal fixing portion 1002 located on both sides of the terminal fixing members 100c and 100d are respectively disposed opposite to each other, and between the plurality of first connecting terminals 200 The third connecting piece 630 is used for connection, and the two opposite second terminals 300 on both sides are connected through a fourth connecting piece 640, so as to realize the parallel connection of the three-phase windings of the stators on both sides, wherein The second terminal fixing portion 1002 has an inclination, and is assembled and matched with the first terminal 200, the second terminal 300 and the third terminal 400 at different angles, so that the external cable 500 can be connected to the top, front or rear. way out. Compared with the prior art, each wire outlet direction corresponds to a set of wire outlet structures, which reduces the number of components, reduces production costs, and reduces management difficulty. And there are two ways to exit the top of the external cable, that is, one is located at the top of the A side, and the bolts can be locked in and locked from the oblique upper part of the rear side. The other is located at the top of the B side. At this time, the bolts can be locked in and locked from the oblique upper part of the front side. According to the specific use scene of the motor, the top outlet form that is easy to assemble can be selected.

In addition, those skilled in the art can also change the shape, structure and material of the terminal fixing member according to the actual situation, as long as the same or similar technical solutions as the present invention are adopted on the basis of the above disclosure of the present invention , solve the same or similar technical problems as the present invention, and achieve the same or similar technical effects as the present invention, all fall within the protection scope of the present invention, and the specific embodiments of the present invention are not limited thereto.

That is to say, as long as on the basis of the above disclosure of the present invention, the same or similar technical solutions as the present invention are adopted, the same or similar technical problems as the present invention are solved, and the same or similar technical effects as the present invention are achieved. , all fall within the protection scope of the present invention, and the specific embodiments of the present invention are not limited thereto.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed 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. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

It should be understood by those skilled in the art that the embodiments of the present invention shown in the above description and the accompanying drawings are only examples and do not limit the present invention. The objects of the present invention have been fully and effectively achieved. The functional and structural principles of the present invention have been shown and described in the embodiments, and the embodiments of the present invention may be modified or modified in any way without departing from the principles.

Claims (10)

1. The wire outlet structure of the tandem type double-stator motor is characterized by comprising a wiring terminal fixing piece, a first wiring terminal, a second wiring terminal, a third connecting piece, a second connecting piece and an external cable, wherein the wiring terminal fixing piece is installed on the double-stator motor, two sides of the wiring terminal fixing piece correspond to two stators respectively, and a first terminal fixing part and a second terminal fixing part which are equal in number are arranged on each side of the wiring terminal fixing piece, so that a wire outlet head of the stator on the side is fixed on the first terminal fixing part through the first wiring terminal, and is fixed on the second terminal fixing part through the second wiring terminal;

be located binding post mounting both sides first terminal fixed part with the second terminal fixed part is the diagonal angle respectively and sets up, and per two are the diagonal angle pass through between the first binding post first connecting piece is connected, is located binding post mounting one side be connected with the second connecting piece between the second binding post, the opposite side still relatively fixed have be used for connecting on the second binding post the third binding post of external cable, wherein the second terminal fixed part has the inclination, so that external cable can be qualified for the next round of competitions with top, preceding or rear formula.

2. The outlet structure of a tandem type double-stator motor according to claim 1, wherein the second connection terminal includes a second terminal receiving portion and a second terminal abutting portion, the second terminal receiving portion is connected to the second terminal abutting portion, the second terminal receiving portion is configured to connect an outlet, the second terminal abutting portion is configured to be fixed to the second terminal fixing portion, and an included angle between the second terminal receiving portion and the second terminal abutting portion is adapted to an inclination of the second terminal fixing portion;

the third connecting terminal comprises a third terminal sleeving part and a third terminal abutting part, the third terminal sleeving part is connected with the third terminal abutting part, the third terminal sleeving part is used for connecting the external cable, the third terminal abutting part is used for being fixed on the second terminal abutting part of the second connecting terminal, and an included angle between the third terminal sleeving part and the third terminal abutting part is consistent with an included angle between the second terminal sleeving part and the second terminal abutting part.

3. The outlet structure of a tandem type double-stator motor according to claim 2, wherein the third terminal socket joint part and the second terminal socket joint part are located at both sides so that the external cable is vertically arranged, thereby realizing top outlet of the external cable.

4. The outlet structure of a series-connection type double-stator motor according to claim 2, wherein the third terminal socket joint part and the second terminal socket joint part are located on the same side, so that the external cable is horizontally arranged, and front or rear outlet of the external cable is realized.

5. The outlet structure of a series type double stator motor according to claim 1, wherein the first terminal fixing portion is a plane;

the first wiring terminal comprises a first terminal sleeving part and a first terminal abutting part, the first terminal sleeving part is connected with the first terminal abutting part, the first terminal sleeving part and the first terminal abutting part are vertically arranged, the first terminal sleeving part is used for connecting a wire outlet, and the first terminal abutting part is used for being fixed on the first terminal fixing part.

6. The outlet structure of a tandem type double-stator motor according to claim 1, further comprising a junction box, wherein the junction box has an accommodating cavity, when the junction box is mounted on the double-stator motor, the junction box fixing member is located in the accommodating cavity, and the junction box is provided with a top outlet hole for top outlet of the external cable, and front and rear outlet holes for front and rear outlet of the external cable.

7. The outlet structure of a tandem type double-stator motor according to claim 7, wherein a locking hole is further formed in the junction box, and the locking hole is located between the top outlet hole and the front and rear outlet holes.

8. The outlet structure of a tandem type double-stator motor according to claim 1, wherein a first avoidance groove that avoids the installation of the first connecting member is provided on the terminal fixing member, and the first avoidance groove is located between two second terminal fixing portions that are diagonally opposite on both sides.

9. The outlet structure of a tandem type double-stator motor according to claim 1, wherein the terminal fixing member includes two terminal positioning blocks, each of the terminal positioning blocks is correspondingly mounted on a stator, and the terminal positioning blocks are provided with the first terminal fixing portion and the second terminal fixing portion at intervals.

10. The outlet structure of a tandem type double stator motor according to claim 1, wherein the terminal fixing part is a unitary structure, and a baffle is provided between the first terminal fixing part and the second terminal fixing part.

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