CN111987879A - Wire outlet structure of serial double-stator motor - Google Patents
Wire outlet structure of serial double-stator motor Download PDFInfo
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- CN111987879A CN111987879A CN202010942806.8A CN202010942806A CN111987879A CN 111987879 A CN111987879 A CN 111987879A CN 202010942806 A CN202010942806 A CN 202010942806A CN 111987879 A CN111987879 A CN 111987879A
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- terminal
- terminal fixing
- outlet
- external cable
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
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- Motor Or Generator Frames (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The invention provides a wire outlet structure of a tandem type double-stator motor, wherein a wiring terminal fixing piece is arranged on the double-stator motor, and a first terminal fixing part and a second terminal fixing part are arranged on each side of the wiring terminal fixing piece, so that a wire outlet head of a stator on the side is fixed on the first terminal fixing part through a first wiring terminal and is fixed on the second terminal fixing part through a second wiring terminal; the first terminal fixing part and the second terminal fixing part which are located on two sides of the wiring terminal fixing part are arranged diagonally, every two first wiring terminals which are diagonal are connected through the first connecting piece, the second connecting piece is connected between the second wiring terminals which are located on one side of the wiring terminal fixing part, the third wiring terminals which are used for connecting an external cable are further relatively fixed on the second wiring terminals on the other side, the second terminal fixing part is provided with an inclination, so that the external cable can be outgoing in a top mode, a front mode or a rear mode, the number of parts is reduced, and the management difficulty is reduced.
Description
Technical Field
The invention relates to the technical field of double-stator motors, in particular to a wire outlet structure of a serial double-stator motor.
Background
The double-stator motor is a motor with two stators, has the advantages of high precision, quick response, high acceleration, high overload capacity, high mechanical integration level, high utilization rate of structural materials of the motor, flexible and various driving control systems and the like, can greatly reduce the volume and weight of a mechanical system under the condition of limited operation space, improves the precision and the dynamic performance of the system, and has wide application prospect in the fields of buses, sanitation cars, trucks, numerical control machines, robots and the like.
However, different manufacturers or different platforms have different requirements on the wire outlet direction of the motor, and the existing wire outlet mode comprises a top wire outlet mode, a front wire outlet mode and a rear wire outlet mode. And each outlet mode of the double-stator motor is provided with a set of different outlet structures, so that each set of components is different in shape, the number of the components and the production cost are increased, the management difficulty is improved, and the applicability is greatly reduced.
Disclosure of Invention
In order to solve the problems, the invention provides the wire outlet structure of the series double-stator motor, which effectively reduces the production cost and has strong applicability.
An outlet structure of a tandem type double-stator motor comprises 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 an 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.
Further, the second connection terminal comprises a second terminal sleeve-connection part and a second terminal abutting part, the second terminal sleeve-connection part is connected with the second terminal abutting part, the second terminal sleeve-connection part is used for connecting an outlet terminal, the second terminal abutting part is used for being fixed on the second terminal fixing part, and an included angle between the second terminal sleeve-connection part and the second terminal abutting part is matched with the inclination of the second terminal fixing part;
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.
Furthermore, the third terminal sleeving part and the second terminal sleeving part are positioned on two sides, so that the external cable is vertically arranged, and the top outgoing line of the external cable is realized.
Furthermore, the third terminal sleeving part and the second terminal sleeving part are positioned on the same side, so that the external cable is horizontally arranged, and the front or rear outgoing line of the external cable is realized.
Further, the first terminal fixing part 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.
The connecting terminal is provided with a containing cavity, when the connecting terminal is installed on the double-stator motor, the connecting terminal fixing piece is located in the containing cavity, and the connecting terminal is provided with a top wire outlet hole used for outgoing wires at the top of the external cable and front and rear wire outlet holes used for outgoing wires in the front and rear directions of the external cable.
Furthermore, a locking hole is formed in the junction box and is located between the top wire outlet hole and the front and rear wire outlet holes.
Furthermore, be provided with on the binding post mounting and dodge the first groove of dodging of first connecting piece installation, first dodging the trench is located both sides and is two of diagonal angle between the second terminal fixed part.
Furthermore, the wiring terminal fixing part comprises two wiring positioning blocks, each wiring positioning block is correspondingly installed on a stator, and the wiring positioning blocks are provided with the first terminal fixing parts and the second terminal fixing parts which are arranged at intervals.
Further, binding post mounting formula structure as an organic whole, first terminal fixed part with be provided with the baffle between the second terminal fixed part.
Further, the inclination of the second terminal fixing portion is 45 °.
Compared with the prior art, the technical scheme has the following advantages:
the first terminal fixing part and the second terminal fixing part are arranged diagonally, every two opposite corners are formed between the first wiring terminals through the first connecting pieces so as to realize series connection of three windings of stators on two sides, the second terminal fixing part has inclination, and the external cable is led out in a top mode, a front mode or a rear mode through the first wiring terminals and the second wiring terminals in assembling and matching with the third wiring terminals at different angles. Compared with the prior art, each outgoing line direction corresponds to one outgoing line structure, the number of parts is reduced, the production cost is reduced, the management difficulty is reduced, and the applicability is effectively improved. And the top of external cable is qualified for next round of competitions the mode and has two kinds, and the bolt can be followed the oblique top lock of rear side or front side and locked, can be according to the specific use scene of motor, selects the top of easy assembly and is qualified for the next round of competitions the form.
The invention is further described with reference to the following figures and examples.
Drawings
Fig. 1 is a schematic structural view showing a first embodiment of an outlet structure of a double stator motor according to the present invention;
fig. 2 shows an exploded view of the outlet structure of the double stator motor of fig. 1;
fig. 3 is a schematic structural view showing a first embodiment of the terminal holder of fig. 1;
FIG. 4 is a schematic structural view of a second embodiment of the terminal holder of FIG. 1;
FIG. 5 is a schematic structural diagram of the wire positioning block of FIG. 1;
FIG. 6 is a schematic structural view of the first connector of FIG. 1;
FIG. 7 shows a schematic structural view of the second connector of FIG. 1;
fig. 8 shows a schematic diagram of the series connection of the outlet structures of the double stator motor of fig. 1;
FIG. 9 is a schematic view of an outlet header of the single-sided stator of FIG. 1;
fig. 10 shows a schematic view of a top outlet first embodiment of the outlet structure of the double stator motor of fig. 1;
fig. 11 is a sectional view showing a top outlet of the outlet structure of the double stator motor of fig. 10;
fig. 12 shows a schematic view of a top outlet second embodiment of the outlet structure of the double stator motor of fig. 1;
fig. 13 is a cross-sectional view showing a top outlet of the outlet structure of the double stator motor of fig. 12;
fig. 14 shows a rear outlet schematic view of the outlet structure of the double stator motor of fig. 1;
fig. 15 is a sectional view showing a rear outlet of the outlet structure of the double stator motor of fig. 14;
fig. 16 shows a front outlet schematic view of the outlet structure of the double stator motor of fig. 1;
fig. 17 is a sectional view showing a front outlet of the outlet structure of the double stator motor of fig. 16;
fig. 18 is a schematic structural view showing a second embodiment of the 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 of fig. 18;
fig. 20 is a schematic view showing the structure of the first embodiment of the terminal holder of fig. 18;
fig. 21 is a schematic structural view showing a second embodiment of the terminal holder of fig. 18;
FIG. 22 is a schematic view of the wire positioning block of FIG. 18;
FIG. 23 shows a schematic structural view of the third connector of FIG. 18;
FIG. 24 is a schematic view of the fourth connector of FIG. 18;
FIG. 25 is a schematic diagram showing the star point connections of the outlet structure of the double stator machine of FIG. 18;
fig. 26 is a schematic view showing parallel connection of the outlet structures of the double stator motor of fig. 18;
FIG. 27 is a schematic view of an outlet header of the single-sided stator of FIG. 18;
fig. 28 shows a schematic view of a top outlet first embodiment of the outlet structure of the double stator motor of fig. 18;
fig. 29 is a sectional view showing a top outlet line of the outlet line structure of the double stator motor of fig. 28;
fig. 30 is a schematic view showing a top outlet second embodiment of the outlet structure of the double stator motor shown in fig. 18;
fig. 31 is a sectional view showing a top outlet line of the outlet line structure of the double stator motor of fig. 30;
fig. 32 shows a rear outlet schematic view of the outlet structure of the double stator motor of fig. 18;
fig. 33 is a sectional view showing a rear outlet of the outlet structure of the double stator motor in fig. 32;
fig. 34 shows a front outlet schematic of the outlet configuration of the double stator motor of fig. 18;
fig. 35 is a sectional view showing a front outlet of the outlet structure of the double stator motor in fig. 34;
fig. 36 shows a perspective view illustrating the first connection terminal according to the present invention;
fig. 37 shows a front view of the first connection terminal according to the present invention;
fig. 38 shows a perspective view of the second connection terminal according to the present invention;
fig. 39 shows a front view of the second connection terminal according to the invention;
FIG. 40 is a schematic view of the construction of an external cable according to the present invention;
fig. 41 shows a schematic structural view of the junction box according to the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and thus the above terms are not to be construed as limiting the present invention.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
As shown in fig. 1 to 40, the wire outlet structure of the double-stator motor includes terminal fixtures 100a, 100b, 100c and 100d, a first terminal 200, a second terminal 300, a third terminal 400 and an external cable 500, wherein the terminal fixtures 100a, 100b, 100c and 100d are mounted on the double-stator motor, two sides of the terminal fixtures 100a, 100b, 100c and 100d correspond to two stators, respectively, that is, each side of the terminal fixtures 100a, 100b, 100c and 100d corresponds to one stator, respectively, wherein each side of the terminal fixtures 100a, 100b, 100c and 100d is provided with a first terminal fixing portion 1001 and a second terminal fixing portion 1002, respectively, so that the wire outlet ends of three windings of the stator on the side are fixed to the first terminal fixing portion 1001 through the first terminal fixture 200, and the second connection terminal 300 is fixed to the second terminal fixing portion 1002, and a third connection terminal 400 for connecting the external cable 500 is relatively fixed to the second connection terminal 300 on one side of the connection terminal fixing members 100a, 100b, 100c and 100d, wherein the second terminal fixing portion 1002 has a slope so that the external cable 500 can be led out in a top, front or rear manner.
Specifically, the shape of the second connection terminal 300 is adapted to the second terminal fixing portion 1002, as shown in fig. 38 and 39, the second connection terminal 300 includes a second terminal receiving portion 310 and a second terminal abutting portion 320, the second terminal receiving portion 310 is connected to the second terminal abutting portion 320, the second terminal receiving portion 310 is used for receiving an outlet, and of course, the second terminal abutting portion 320 may be connected by welding or crimping, and the second terminal abutting portion 320 is used for being fixed to the second terminal fixing portion 1002, and an included angle between the second terminal receiving portion 310 and the second terminal abutting portion 320 is determined by an inclination of the second terminal fixing portion 1002 to adapt to the second terminal fixing portion 1002 with the inclination. For example, the inclination of the second terminal fixing portion 1002 is 15 ° to 90 °, preferably 45 °, and the angle between the second terminal receiving portion 310 and the second terminal abutting portion 320 is 145 °.
As shown in fig. 40, the third connection terminal 400 includes a third terminal receiving portion 410 and a third terminal abutting portion 420, and the third terminal receiving portion 410 is connected to the third terminal abutting portion 420, where the third terminal receiving portion 410 is configured to receive the external cable 500, but may also be connected by welding or crimping, and the third terminal abutting portion 420 is configured to be fixed to the second terminal abutting portion 320 of the second connection terminal 300. Wherein the angle between the third terminal socket part 410 and the third terminal socket part 420 is 105 to 180, preferably 145. It can be seen that the third connection terminal 400 may conform to the shape of the second connection terminal 300.
More specifically, when the third terminal abutting portion 420 is fixed to the second terminal abutting portion 320, and the third terminal socket portion 410 and the second terminal socket portion 310 are located at two sides, so that the external cable 500 is vertically disposed, and the top outgoing line of the external cable 500 is realized, refer to fig. 10, 12, 28 and 30. When the third terminal abutting portion 420 is fixed to 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, so that the external cable 500 is horizontally disposed, and the external cable 500 is led out in the front or the back direction, refer to fig. 14, 16, 32 and 34.
The first terminal fixing portion 1001 is a plane, as shown in fig. 36 and 37, the first connection terminal 200 includes a first terminal sleeving portion 210 and a first terminal abutting portion 220, the first terminal sleeving portion 210 is connected to the first terminal abutting portion 220, and the first terminal sleeving portion 210 and the first terminal abutting portion 220 are vertically arranged, wherein the first terminal sleeving portion 210 is used for sleeving a wire outlet, and of course, welding or crimping can be adopted to connect the wire outlet, and the first terminal abutting portion 220 is used for fixing the first terminal fixing portion 1001 so as to adapt to the plane of the first terminal fixing portion 1001.
It should be noted that, in the double-stator motor, two connection modes, namely a series connection mode and a parallel connection mode, are provided between the outlet ends of the three windings of the stators on the two sides, wherein when the two outlet ends are connected in series, that is, the three windings of the stators on the two sides are connected in series. When the two outlet ends adopt a parallel connection mode, namely three windings of the stators on the two sides are connected in parallel. The different outlet modes of the double-stator motor in the parallel and series cases are described by two embodiments as follows:
first embodiment
As shown in fig. 1 to 17, in the wire outlet structure of the double-stator motor, three windings of the stators on two sides are connected in series, and the wire outlet structure includes terminal fixing pieces 100a and 100b, a first terminal 200, a second terminal 300, a third terminal 400, a third connecting piece 610, a second connecting piece 620 and an external cable 500, the terminal fixing pieces 100a and 100b are installed on the double-stator motor, two sides of the terminal fixing pieces 100a and 100b respectively correspond to two stators, that is, each side of the terminal fixing pieces 100a and 100b respectively corresponds to one stator, wherein each side of the terminal fixing pieces 100a and 100b is provided with a first terminal fixing part 1001 and a second terminal fixing part 1002, which are equal in number, so that wire outlets of three windings of the stator on the side are fixed on the first terminal fixing part 1001 through the first terminal 200, and fixed to the second terminal fixing portion 1002 through the second connection terminal 300;
be located binding post mounting 100a and 100b both sides first terminal fixed part 1001 with second terminal fixed part 1002 is the diagonal setting respectively, and every two is the diagonal pass through between the first binding post 200 first connecting piece 610 is connected, is located binding post mounting 100a and 100b one side be connected with second connecting piece 620 between the second binding post 300, the opposite side still relatively be fixed with on the second binding post 300 be used for connecting external cable 500's third binding post 400, wherein second terminal fixed part 1002 has the slope, so that external cable 500 can be qualified for the next round of competitions with top, preceding or rear formula.
As shown in fig. 1 to 3, the double stator motor includes a front stator B and a rear stator a, and the terminal fixing pieces 100a and 100B are mounted on the double stator motor with both sides corresponding to the front stator B and the rear stator a, respectively. Wherein a side surface of the terminal fixing member 100a and 100B opposite to the front stator B is referred to as a side B, a side surface opposite to the rear stator a is referred to as a side B, and three first terminal fixing portions 1001 and three second terminal fixing portions 1002 are provided on the side B of the terminal fixing member 100a and 100B, and are spaced apart from each other. Three first terminal fixing portions 1001 and three second terminal fixing portions 1002 are provided on the a sides of the line terminal fixing pieces 100a and 100B, and the two are provided at intervals, and the first terminal fixing portions 1001 on the a side and the first terminal fixing portions 1001 on the B side are diagonally provided, and the second terminal fixing portions 1002 on the a side and the second terminal fixing portions 1002 on the B side are diagonally provided. It is seen that the first terminal fixing portion 1001 on the a side is directly opposite to the B side serving as the second terminal fixing portion 1002, and the second terminal fixing portion 1002 on the a side is directly opposite to the B side serving as the first terminal fixing portion 1001. The first terminal fixing portion 1001 is a plane, and the second terminal fixing portion 1002 has a slope.
Specifically, each of the front stator B and the rear stator a includes 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, and W1 and W2, referring to fig. 9, that is, each of the front stator B and the rear stator a has six outlet ends, wherein the outlet ends U1, V1 and W1 are correspondingly connected to the second connection terminal 300, the outlet ends U2, V2 and W2 are correspondingly connected to the first connection terminal 200, the second connection terminal 300 is fixed to the second terminal fixing portion 1002, the first connection terminal 200 is fixed to the first terminal fixing portion 1001, and the second connection terminal 300 on the a side and the second connection terminal 300 on the B side are also diagonally arranged, and the first connection terminal 200 on the a side and the first connection terminal 200 on the B side are also diagonally arranged, refer to fig. 3.
As shown in fig. 8, every two diagonal first connection terminals 200 are connected to each other by the first connection member 610. Specifically, the number of the first connection terminals 200 mounted 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 first connection terminals 200 that are adjacent and diagonally arranged, so as to realize series connection. In this case, three first connectors 610 are arranged in parallel with each other.
As shown in fig. 10, 12, 14 and 16, a second connecting member 620 is connected between the second connection terminals 300 on one side of the connection terminal fixing members 100a and 100b, and a third connection terminal 400 for connecting the external cable 500 is relatively fixed on the second connection terminal 300 on the other side, so that the external cable 500 can be led out in a top, front or rear manner.
As shown in fig. 10 and 11, a second connector 620 is connected between the three second connection terminals 300 on the side B, and each of the second connection terminals 300 on the side a is connected to the external cable 500 through the third connection terminal 400. Because the second terminal fixing portion 1002 has an inclination, the third terminal abutting portion 420 abuts against the second terminal abutting portion 320, and the third terminal sleeving portion 410 and the second terminal sleeving portion 310 are located at two sides, the external cable 500 is vertically arranged, and the external cable 500 is led out from the top of the rear side of the double-stator motor.
As shown in fig. 12 and 13, a second connector 620 is connected between three second connection terminals 300 located on the a side, and each second connection terminal 300 located on the B side is connected to the external cable 500 through the third connection terminal 400. Because the second terminal fixing portion 1002 has an inclination, the third terminal abutting portion 420 abuts against the second terminal abutting portion 320, and the third terminal sleeving portion 410 and the second terminal sleeving portion 310 are located at two sides, the external cable 500 is vertically arranged, and the external cable 500 is led out from the top of the front side of the double-stator motor.
As shown in fig. 14 and 15, a second connector 620 is connected between three second connection terminals 300 located on the side B, and each second connection terminal 300 located on the side a is connected to the external cable 500 through the third connection terminal 400. Because the second terminal fixing portion 1002 has a slope, the third terminal abutting portion 420 abuts against the second terminal abutting portion 320, and the third terminal sleeving portion 410 and the second terminal sleeving portion 310 are located on the same side, the external cable 500 is horizontally arranged, and the external cable 500 is led out from the rear side of the double-stator motor.
As shown in fig. 16 and 17, a second connector 620 is connected between three second connection terminals 300 located on the a side, and each second connection terminal 300 located on the B side is connected to the external cable 500 through the third connection terminal 400. Because the second terminal fixing portion 1002 has an inclination, the third terminal abutting portion 420 abuts against the second terminal abutting portion 320, and the third terminal sleeving portion 410 and the second terminal sleeving portion 310 are located on the same side, the external cable 500 is horizontally arranged, and the external cable 500 is led out from the front side of the double-stator motor.
As shown in fig. 3, 4, 6 and 8, the terminal fixing members 100a and 100b are provided with first escape grooves 1003a and 1003b for escaping the first connecting member 610, and the first escape grooves 1003a and 1003b are located between two second terminal fixing portions 1002 having opposite corners on both sides thereof, so that the two first connecting members 200 having opposite corners can be connected to both ends of the first connecting member 610 mounted in the first escape grooves 1003a and 1003 b. It can be seen that the shape of the first evacuation slots 1003a and 1003b is adapted to the shape of the first connecting member 610. referring to FIG. 6, the first connecting member 610 is in the shape of a straight line, the first evacuation slots 1003a and 1003b are also in the shape of a straight line, although the first connecting member 610 can have other shapes, such as an S-shape.
As shown in fig. 7, 10, 12, 14 and 16, the second connecting member 620 includes a second connecting portion 621 and three second connecting branch portions 622, and the three second connecting branch portions 622 are respectively disposed perpendicular to the second connecting portion 621 and are spaced apart along the length direction of the second connecting portion 621, so that each of the second connecting branch portions 622 is respectively connected to one of the second connecting terminals 300.
The first connection terminal 200, the second connection terminal 300, the third connection terminal 400, the first connection member 610 and the second connection member 620 are all made of copper material, so as to realize electrical connection therebetween.
In addition, the first terminal abutment portion 220, the second terminal abutment portion 320, the third terminal abutment portion 420, the first connector 610, and the second connector 620 may be fixedly connected by bolts. Specifically, referring to fig. 5, a first nut 111 is embedded in the first terminal fixing part 1001, so that the first connection terminal 200 is screwed with the first nut 111 by a bolt and fixed to the first terminal fixing part 1001. The second terminal fixing portion 1002 is embedded with a second nut 112, so that the second connection terminal 300 is screwed with the second nut 112 by a bolt and fixed to the second terminal fixing portion 1002. Referring to fig. 10, 12, 14 and 16, further, the first connection member 610, the first connection terminal 200 and the first terminal fixing portion 1001 may be fixed by one bolt therebetween. Further, the second connection terminal 300, the third connection terminal 400, and the second terminal fixing portion 1002 may be fixed by a bolt. Further, the second terminal fixing portion 1002, the second connection terminal 300, and the second connection member 620 may be fixed by a bolt.
As shown in fig. 3 and 5, the terminal fixing member 100a includes two terminal positioning blocks 110a, each of the terminal positioning blocks 110a is correspondingly mounted on a stator, that is, a front stator B and a rear stator a are respectively mounted with one terminal positioning block 110a, and a gap may exist between the two terminal positioning blocks. The wiring positioning block 110a is provided with three first terminal fixing portions 1001 and three second terminal fixing portions 1002, the first terminal fixing portions 1001 and the three second terminal fixing portions 1002 are arranged at intervals along the length direction of the wiring positioning block 110a, when two wiring positioning blocks 110a are mounted on the wiring terminal fixing block 100a, the first terminal fixing portions 1001 on two sides are arranged diagonally, the second terminal fixing portions 1002 on two sides are also arranged diagonally, and the first avoidance groove 1003a is formed between the two second terminal fixing portions 1002 on two diagonal sides. The wire positioning block 110a may be fixed to the stator by bolts.
As shown in fig. 4, the terminal fixing member 100b has an integrated structure, a baffle 1004 is disposed between the first terminal fixing portion 1001 and the second terminal fixing portion 1002, the first terminal fixing portions 1001 on both sides are diagonally disposed, the second terminal fixing portions 1002 on both sides are also diagonally disposed, and the first escape groove 1003b is formed between the two second terminal fixing portions 1002 on both sides.
As shown in fig. 1, 4 and 41, the outlet structure of the double-stator motor further includes a terminal box 700, where the terminal box 700 has a receiving cavity, and when the terminal box 700 is mounted on the double-stator motor, the terminal fixing members 100a and 100b, the first terminals 200 and the second terminals 300 are located in the receiving cavity. The junction box 700 is provided with a top wire outlet 710 for the top wire outlet of the external cable 500, and front and rear wire outlet 720 for the front and rear wire outlet of the external cable 500. When the external cable 500 is led out from the top, the junction box 700 is fixed on the double-stator motor through bolts, so that the external cable 500 penetrates out of the top wire outlet hole 710, and finally sealing can be performed through a waterproof thread sleeve and a sealing plug. When the external cable 500 is a front-side outgoing line, one side of the junction box 700, which is provided with the front and rear outgoing holes 720, faces to the side B, so that the external cable 500 penetrates out of the front and rear outgoing holes 720, and when the external cable 500 is a rear-side outgoing line, one side of the junction box 700, which is provided with the front and rear outgoing holes 720, faces to the side a, so that the external cable 500 penetrates out of the front and rear outgoing holes 720.
The number of the top wire outlet 710 and the number of the front and rear wire outlet 720 are respectively the same as the number of the external cables 500.
Specifically, the junction box 700 is a rectangular parallelepiped and includes a junction box top surface 7001 and a junction box side surface 7002, three top wire holes 710 are formed in the junction box top surface 7001, and three front and rear wire holes 720 are formed in the junction box side surface 7002. The junction box top surface 7001 and the junction box side surfaces 7002 are vertically arranged, so that the top outlet hole 710 and the front and rear outlet holes 720 are axially vertical.
With continued reference to fig. 41, the junction box 700 further has a locking hole 730 to lock a bolt to the third connection terminal 400 connected to the external cable 500, for example, a screwdriver is passed through the locking hole 730 and acts on the bolt of the third connection terminal 400 to lock the external cable 500 which is top, front or rear led out. The locking hole 730 is located between the top wire hole 710 and the front and rear wire holes 720.
Specifically, the junction box 700 includes a junction box inclined plane 7003, the junction box inclined plane 7003 is located between the junction box top surface 7001 and the junction box side surface 7002, and three locking holes 730 are formed on the junction box inclined plane 7003.
In summary, the first terminal fixing portion 1001 and the second terminal fixing portion 1002 at two sides of the terminal fixing member 100a and 100b are disposed diagonally, and every two diagonal first terminals 200 are connected by the first connecting member 610 to realize series connection of three windings of stators at two sides, wherein the second terminal fixing portion 1002 has a slope, and the external cable 500 is led out in a top, front or rear manner by assembling and matching the first terminals 200, the second terminals 300 and the third terminals 400 at different angles. Compared with the prior art, each outgoing line direction corresponds to one outgoing line structure, the number of parts is reduced, the production cost is reduced, and the management difficulty is reduced. And the top of external cable is qualified for the next round of competitions the mode and has two kinds, one kind is located A side top, and the bolt can be locked and locked from the oblique top of rear side this moment. The other type is positioned at the top of the side B, the bolt can be locked in and locked from the oblique upper part of the front side at the moment, and the top wire outlet form easy to assemble can be selected according to the specific use scene of the motor.
Second embodiment
As shown in fig. 18 to 40, in the outlet structure of the double-stator motor, the three windings of the stators on both sides are connected in parallel, which includes terminal fixtures 100c and 100d, a first terminal 200, a second terminal 300, a third terminal 400, a third connector 630, a fourth connector 640, and an external cable 500, the terminal fixtures 100c and 100d are mounted to the double stator motor, both sides of the terminal fixing pieces 100c and 100d correspond to the two stators, respectively, first terminal fixing portions 1001 and second terminal fixing portions 1002 are provided on each side of the terminal fixing pieces 100c and 100d in equal numbers, so that the outlet terminals of the three-phase winding of the stator on this side are fixed to the first terminal fixing portion 1001 through the first connection terminal 200, and fixed to the second terminal fixing portion 1002 through the second connection terminal 300;
be located binding post mounting 100c and 100d both sides first terminal fixed part 1001 with second terminal fixed part 1002 sets up relatively respectively, and is a plurality of pass through between the first binding post 200 third connecting piece 630 connects, is located both sides and relative two pass through between the second binding post 300 fourth connecting piece 640 connects, fourth connecting piece 640 is located still relatively fixed with being used for connecting on binding post mounting 100c and 100d one side third binding post 400 of external cable 500, wherein second terminal fixed part 1002 has the inclination, so that external cable 500 can be qualified for the next round of competitions with top, preceding or rear formula.
As shown in fig. 18 to 20, the double stator motor includes a front stator B and a rear stator a, and the terminal fixing pieces 100c and 100d are mounted on the double stator motor with both sides corresponding to the front stator B and the rear stator a, respectively. Wherein the side surfaces of the terminal fixing pieces 100c and 100d opposite to the front stator B are referred to as side B, the side surfaces opposite to the rear stator a are referred to as side a, and the side B of the line terminal fixing pieces 100a and 100B is provided with three first terminal fixing portions 1001 and three second terminal fixing portions 1002, which are spaced apart from each other. The terminal fixing pieces 100c and 100d are provided with three first terminal fixing portions 1001 and three second terminal fixing portions 1002 on the a side, and the two portions are provided at intervals, and the first terminal fixing portions 1001 on the a side and the first terminal fixing portions 1001 on the B side are provided oppositely, and the second terminal fixing portions 1002 on the a side and the second terminal fixing portions 1002 on the B side are provided oppositely. It is seen that the first terminal fixing portion 1001 on the a side is directly opposite to the B side as the first terminal fixing portion 1001, and the second terminal fixing portion 1002 on the a side is directly opposite to the B side as the second terminal fixing portion 1002. The first terminal fixing portion 1001 is a plane, and the second terminal fixing portion 1002 has a slope.
Referring to fig. 27, each of the front stator B and the rear stator a includes three windings U, V and W, wherein each phase winding of the front stator B and the rear stator a has two outlets U1 and U2, V1 and V2, W1 and W2, namely, the front stator B and the rear stator A are respectively provided with six wire outlets, wherein the wire outlets U1, V1 and W1 are correspondingly connected with the second connecting terminal 300, the wire outlets U2, V2 and W2 are correspondingly connected with the first connecting terminal 200, the second connection terminal 300 is fixed to the second terminal fixing portion 1002, the first connection terminal 200 is fixed to the first terminal fixing portion 1001, and at this time, the second connection terminal 300 located on the a side and the second connection terminal 300 located on the B side are also disposed to face each other, and the first connection terminal 200 at the a side and the first connection terminal 200 at the B side are also oppositely disposed, referring to fig. 20.
As shown in fig. 25, the first connection terminals 200 are connected to each other by the third connection member 630. Specifically, the number of the first connection terminals 200 mounted on the connection terminal fixtures 100c and 100d is six, and at this time, the number of the third connection members 630 is one, so as to implement star point connection.
As shown in fig. 26, two opposite second terminals 300 on two sides are connected by a fourth connecting member 640. Specifically, the number of the second connection terminals 300 mounted on the connection terminal fixing pieces 100c and 100d is six, and at this time, the number of the fourth connection pieces 640 is three, and each of the fourth connection pieces 640 is connected to the second connection terminals 300 which are opposite to and on both sides of the connection terminal fixing pieces 100c and 100d, so as to implement parallel connection. Three of the fourth connectors 640 are arranged in parallel.
More specifically, referring to fig. 24, the fourth connecting part 640 includes a fourth connecting portion 641 and two fourth connecting branch portions 642, the two fourth connecting branch portions 642 are respectively connected to the fourth connecting portion 641, and each of the fourth connecting branch portions 642 is correspondingly connected to one of the second connecting terminals 300, that is, is abutted against the second terminal abutting portion 320 of the second connecting terminal 300, and referring to fig. 38, it can be seen that an included angle between the two fourth connecting branch portions 642 is determined by an inclination of the second terminal fixing portion 1002. For example, if the inclination of the second terminal fixing portion 1002 is 45 °, the angle between the two fourth connecting branch portions 642 is 90 °.
As shown in fig. 28, 30, 32 and 34, the third connection terminal 400 for connecting the external cable 500 is further relatively fixed to the fourth connection member 640 on the side of the terminal fixing members 100c and 100d, wherein the second terminal fixing portion 1002 has a slope so that the external cable 500 can be wired in a top, front or rear manner.
Referring to fig. 28 and 29, each of the fourth connectors 640 is located on the side B and is connected to the external cable 500 through the third connection terminal 400. Specifically, the third terminal abutting portion 420 of the third connection terminal 400 abuts against the fourth connection branch portion 642 on the side B, and since the second terminal fixing portion 1002 has an inclination and the third terminal sleeving portion 410 is vertically disposed, the external cable 500 is led out from the top of the front side of the double-stator motor.
Referring to fig. 30 and 31, each of the fourth connectors 640 is connected to the external cable 500 through the third connection terminal 400 on the a side. Specifically, the third terminal abutting portion 420 of the third connection terminal 400 abuts against the fourth connection branch portion 642 on the side a, and since the second terminal fixing portion 1002 has an inclination and the third terminal sleeving portion 410 is vertically disposed, the external cable 500 is led out from the top of the rear side of the double-stator motor.
Referring to fig. 32 and 33, each of the fourth connectors 640 is located on the a side and is connected to the external cable 500 through the third connection terminal 400. Specifically, the third terminal abutting portion 420 of the third connection terminal 400 abuts against the fourth connection branch portion 642 on the a side, and since the second terminal fixing portion 1002 has an inclination and the third terminal sleeving portion 410 is horizontally arranged, the external cable 500 is led out from the rear of the double-stator motor.
Referring to fig. 34 and 35, each of the fourth connectors 640 is located on the side B and is connected to the external cable 500 through the third connection terminal 400. Specifically, the third terminal abutting portion 420 of the third connection terminal 400 abuts against the fourth connection branch portion 642 on the side B, and since the second terminal fixing portion 1002 has an inclination and the third terminal sleeving portion 410 is horizontally disposed, the external cable 500 is led out from the front of the double-stator motor.
As shown in fig. 21, 23 and 25, the third connecting member 630 includes a third connecting portion 631 and six third connecting branch portions 632, each third connecting branch portion 632 is connected to the third connecting portion 631, and each third connecting branch portion 632 is correspondingly connected to one of the first connecting terminals 200, so that the third connecting branch portion 632 abuts against the first terminal abutting portion 220 of the first connecting terminal 200. Because the first terminal fixing portions 1001 on both sides are arranged oppositely, six the third connecting branch portions 632 are respectively arranged on both sides of the third connecting portion 631 two by two symmetrically, and two opposite sides are arranged between the second terminal fixing portions 1002 to avoid the second avoiding grooves 1005c and 1005d connected by the third connecting portion 631, so that most of the third connecting portions 631 are positioned between the second terminal fixing portions 1002, and the third connecting branch portions 632 are connected on both sides thereof and are opposite to the first connection terminal 200.
The 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 made of copper material, so as to realize electrical connection therebetween.
In addition, the first terminal abutment portion 220, the second terminal abutment portion 320, the third terminal abutment portion 420, the third connector 630 and the fourth connector 640 may be all fixedly connected by bolts. Specifically, referring to fig. 22, a first nut 111 is embedded in the first terminal fixing portion 1001, so that the first connection terminal 200 is screwed with the first nut 111 by a bolt and fixed to the first terminal fixing portion 1001. The second terminal fixing portion 1002 is embedded with a second nut 112, so that the second connection terminal 300 is screwed with the second nut 112 by a bolt and fixed to the second terminal fixing portion 1002. As shown in fig. 28, 30, 32 and 34, the first terminal fixing portion 1001, the first terminal abutting portion 220 and the third connecting member 630 may be fixed to each other by a single bolt. Further, 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 one bolt.
As shown in fig. 20 and 22, the terminal fixing member 100c includes two terminal positioning blocks 110c, and each terminal positioning block 110c is correspondingly installed on a stator, that is, a front stator B and a rear stator a are respectively installed with one terminal positioning block 110 c. The wiring positioning block 110c is provided with three first terminal fixing portions 1001 and three second terminal fixing portions 1002, the first terminal fixing portions 1001 and the three second terminal fixing portions 1002 are arranged at intervals along the length direction of the wiring positioning block 110c, when the two wiring positioning blocks 110c are installed on the wiring terminal fixing block 100a, the first terminal fixing portions 1001 on two sides are arranged oppositely, the second terminal fixing portions 1002 on two sides are also arranged oppositely, and a gap exists between the two wiring positioning blocks 110c, so that the second avoiding groove 1005c is formed. The wiring positioning block 110c may be fixed to the stator by bolts.
As shown in fig. 21, the terminal fixing member 100d has an integrated structure, the first terminal fixing portions 1001 at both sides are disposed opposite to each other, the second terminal fixing portions 1002 at both sides are also disposed opposite to each other, and the second escape groove 1005d is formed between the two terminal positioning blocks 110 c. 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 outlet structure of the double-stator motor further includes a junction box 700, and the specific structure of the junction box 700 refers to the first embodiment, so that the beneficial effects brought by the junction box 700 in the outlet structure of the double-stator motor of the present embodiment refer to the above embodiments.
In summary, the first terminal fixing portion 1001 and the second terminal fixing portion 1002 on the two sides of the terminal fixing members 100c and 100d are respectively disposed oppositely, the first terminal fixing portions 200 are connected by the third connecting member 630, and the second terminal fixing portions 300 on the two sides are connected by the fourth connecting member 640, so that the three windings of the stators on the two sides are connected in parallel, wherein the second terminal fixing portions 1002 have a slope and are assembled and matched with the first terminal fixing portions 200, the second terminal fixing portions 300 and the third terminal fixing portions 400 at different angles, so that the external cable 500 is led out in a top, front or rear manner. Compared with the prior art, each outgoing line direction corresponds to one outgoing line structure, the number of parts is reduced, the production cost is reduced, and the management difficulty is reduced. And the top of external cable is qualified for the next round of competitions the mode and has two kinds, one kind is located A side top, and the bolt can be locked and locked from the oblique top of rear side this moment. The other type is positioned at the top of the side B, the bolt can be locked in and locked from the oblique upper part of the front side at the moment, and the top wire outlet form easy to assemble can be selected according to the specific use scene of the motor.
Besides, those skilled in the art may also change the shape, structure and material of the terminal fixing element according to the actual situation, and as long as the same or similar technical solution as the present invention is adopted on the basis of the above disclosure of the present invention, the same or similar technical problem as the present invention is solved, and the same or similar technical effect as the present invention is achieved, all of which belong to the protection scope of the present invention, and the specific embodiment of the present invention is not limited thereto.
That is, as long as the technical solution identical to or similar to the present invention is adopted on the basis of the above disclosure of the present invention, the technical problem identical to or similar to the present invention is solved, and the technical effect identical to or similar to the present invention is achieved, all of which belong to the protection scope of the present invention, and the specific implementation manner of the present invention is not limited thereto.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are given by way of example only and are not limiting of the invention. The objects of the invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made 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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CN202010942806.8A CN111987879A (en) | 2020-09-09 | 2020-09-09 | Wire outlet structure of serial double-stator motor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11502572B2 (en) * | 2018-10-09 | 2022-11-15 | Ford Global Technologies, Llc | Electric machine stator |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US11502572B2 (en) * | 2018-10-09 | 2022-11-15 | Ford Global Technologies, Llc | Electric machine stator |
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