CN211579715U - Magnetic steel outer rotor type permanent magnet driving motor device for forming coil cosine surface mounting - Google Patents
Magnetic steel outer rotor type permanent magnet driving motor device for forming coil cosine surface mounting Download PDFInfo
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- CN211579715U CN211579715U CN201921327235.6U CN201921327235U CN211579715U CN 211579715 U CN211579715 U CN 211579715U CN 201921327235 U CN201921327235 U CN 201921327235U CN 211579715 U CN211579715 U CN 211579715U
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Abstract
The utility model discloses a forming coil cosine table-pasted magnetic steel outer rotor type permanent magnet driving motor device, which comprises a rotating shaft, wherein the left side and the right side of the rotating shaft are connected with a double-helix waterway ring; the rear bearing is arranged on the double-spiral water channel ring; the outer ring of the double-spiral water channel ring is connected with a water channel outer ring matched with the double-spiral water channel ring; the outer side of the double-spiral water channel ring is provided with a stator water channel rear end cover; an inner stator iron core is connected to the outer ring of the water channel; and an outer rotor magnetic yoke is arranged on the rotating shaft, and magnetic steels are arranged on the inner surface of the outer rotor magnetic yoke at intervals. The utility model adopts an outer rotor structure, the magnetic steel adopts a cosine unequal air gap magnetic circuit, and the air gap magnetic field is a sine wave, so that the rotor has the characteristics of small harmonic wave and small torque pulsation; the rotor is an outer rotor, the magnetic steel is attached to a magnetic yoke of the outer rotor, a magnetic steel framework is arranged during assembly and fixed by magnetic steel glue, and the rotor is quick to assemble, high in work efficiency, simple in structure and reliable in operation.
Description
Technical Field
The utility model relates to an energy equipment field especially involves a shaping coil cosine table pastes magnet steel outer rotor type permanent magnet drive motor device.
Background
The permanent magnet motor has the advantages of high efficiency, high power density, large power factor, large starting torque, wide speed regulation range and the like, gradually replaces an induction motor and a switched reluctance motor, and is increasingly widely applied in various fields of industrial production and daily life. However, the permanent magnet is installed on the rotor, so that heat dissipation is difficult, irreversible demagnetization of the permanent magnet can be caused by temperature rise, the output of the motor is limited, and potential safety hazards are increased.
At present, a stator core of a permanent magnet motor is a closed slot, so that the operation by a robot is inconvenient; and the magnetic steel is arranged in a straight line, the energy conversion rate is low, the rotor punching sheet adopts a whole circular ring structure, and the material waste is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the weak point among the above-mentioned prior art and provide a simple structure, good reliability, practical shaping coil cosine table pastes magnet steel outer rotor type permanent-magnet driving motor device.
The utility model discloses a realize through following mode:
a permanent magnet driving motor device with a formed coil and a cosine surface-mounted magnetic steel outer rotor type comprises a rotating shaft, wherein the left side and the right side of the rotating shaft are respectively connected with a double-spiral water channel ring through a front bearing and a rear bearing; the rear bearing is arranged on the double-spiral water channel ring through a rear bearing fixing retaining ring, and the rear bearing fixing retaining ring is fixed on the double-spiral water channel ring through a rear bearing retaining ring fixing screw; the outer ring of the double-helix water channel ring is connected with a water channel outer ring matched with the double-helix water channel ring, and the double-helix water channel ring is matched with the water channel outer ring to form a double-helix water channel; the outer side of the double-spiral water channel ring is provided with a stator water channel rear end cover; an end cover water inlet and outlet channel communicated with the double-spiral water channel is arranged on the rear end cover of the stator water channel; the inner side of the stator water channel rear end cover is connected with a shell, the left end of the shell is connected with a front end cover, the left end of the rotating shaft penetrates through the front end cover, and the rotating shaft can rotate relative to the front end cover, the stator water channel rear end cover and the shell;
the outer ring of the water channel is connected with an inner stator iron core through an inner stator iron core fixing ring; the stator structure comprises an inner stator core and an outer stator core, wherein the inner stator core is formed by overlapping a plurality of stator punching sheets, the inner stator core is provided with seventy-two stator open slots, flat copper wire stator windings formed by flat copper wires in a compression molding mode are wound in the stator open slots, the flat copper wire stator winding in the first stator open slot is electrically connected with the flat copper wire stator winding in the fifth stator open slot, and the connection of the whole flat copper wire stator winding is finished by analogy; the end part of the flat copper wire coil on the inner stator iron core is connected with a coil outgoing line terminal through a coil outgoing line, and the coil outgoing line terminal is electrically connected with a wiring board in an outgoing line box arranged on the shell;
an outer rotor magnetic yoke is arranged on the rotating shaft through an outer rotor magnetic yoke retainer ring, and the inner stator iron core is covered in the outer rotor magnetic yoke; magnetic steel is arranged on the inner surface of the outer rotor magnetic yoke at intervals; the magnetic steel is adhered to the inner surface of the outer rotor magnetic yoke through magnetic steel glue.
Further, the quantity of magnet steel is sixteen.
Furthermore, the double-spiral water channel ring, the water channel outer ring and the stator water channel rear end cover are fastened into a whole through hot press molding.
Further, a sealing ring is arranged between the rotating shaft and the front end cover.
Further, the coil outgoing line penetrates through a line passing hole in the rear end cover of the stator water channel.
Furthermore, a abdicating hole is formed in the rear end cover of the stator water channel, and the rotary transformer stator is positioned in the abdicating hole; the abdicating hole is connected with a rotary variable cover through a rotary variable cover fastening screw; and a sealing gasket is arranged between the rotary transformer cover and the rear end cover of the stator water channel.
Furthermore, winding end heat-conducting glue is filled between the inner stator iron core fixing ring and the end part of the flat copper wire coil.
Furthermore, the right end of the rotating shaft is connected with a rotary transformer rotor through a rotary transformer rotor pressing ring and a rotary transformer rotor fastening screw; the right side of the double-helix water channel ring is connected with a rotary transformer stator matched with the rotary transformer rotor through a rotary transformer stator pressing plate and a rotary transformer stator pressing plate fastening screw, and the rotary transformer stator is electrically connected with a wiring board through a rotary transformer stator outgoing line.
Furthermore, a metal waterproof thread sleeve is arranged on the outlet box.
Furthermore, a sealing O-shaped ring is arranged between the joint of the double-helix water channel ring and the water channel outer ring; and the joints of the stator water channel rear end cover and the double-spiral water channel ring and the water channel outer ring are respectively provided with an end cover inner ring water channel waterproof O-shaped ring.
The beneficial effects of the utility model reside in that: 1. the stator core is an inner stator and is provided with a rectangular open slot, the coil is formed by die pressing a flat copper wire, and the utilization rate of the slot is improved by 25 percent compared with that of a round copper wire; a robot can be used for offline; the motor efficiency can be improved through the multi-purpose copper and the magnetic steel which is used less, the cost is reduced, the power density and the torque density are improved, and the cost performance is better.
2. The rotor adopts an outer rotor structure, the magnetic steel adopts a cosine unequal air gap magnetic circuit, and the air gap magnetic field is a sine wave, so that the magnetic motor has the characteristics of small harmonic wave and small torque pulsation; the rotor is an outer rotor, the magnetic steel is attached to a magnetic yoke of the outer rotor, a magnetic steel framework is arranged during assembly and fixed by magnetic steel glue, and the rotor is quick to assemble, high in work efficiency, simple in structure and reliable in operation.
3. The stator core is fixed on the rear end cover of the stator water channel; the double-spiral water channel ring and the water channel outer ring are fastened with the rear end cover of the stator water channel into a whole through hot pressing, and a closed water channel system is formed through the front sealing ring and the inner O-shaped ring and the outer O-shaped ring; the circular water channels on the rear end cover of the stator water channel are respectively connected with the double-spiral water channel rings, so that a cold-hot alternating efficient heat dissipation water channel system is formed; the spiral water channel has the advantages of small water resistance and strong heat dissipation capability.
4. And the coil outgoing line is led out from the rear end cover of the stator water channel, so that the installation and maintenance are convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the iron core of the inner stator of the present invention;
FIG. 3 is a schematic view of the structure of the open slot of the stator of the present invention;
FIG. 4 is a schematic view of the structure of the flat copper wire stator winding of the present invention;
fig. 5 is a schematic diagram of the structure of the inner stator core and the outer rotor core of the present invention;
fig. 6 is a schematic diagram of the structure of the outer rotor core of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
a forming coil cosine surface-mounted magnetic steel outer rotor type permanent magnet driving motor device is shown in figures 1-6 and comprises a rotating shaft 2, wherein the left side and the right side of the rotating shaft 2 are respectively connected with a double-spiral water channel ring 5 through a front bearing 3 and a rear bearing 32; the rear bearing 32 is arranged on the double-spiral water channel ring 5 through a rear bearing fixing retaining ring 16, and the rear bearing fixing retaining ring 16 is fixed on the double-spiral water channel ring 5 through a rear bearing retaining ring fixing screw 15; the outer ring of the double-helix water channel ring 5 is connected with a water channel outer ring 7 matched with the double-helix water channel ring 5, and the double-helix water channel ring 5 is matched with the water channel outer ring 7 to form a double-helix water channel 14; the outer side of the double-spiral water channel ring 5 is provided with a stator water channel rear end cover 18; an end cover water inlet and outlet channel 21 communicated with the double-spiral water channel 14 is arranged on the stator water channel rear end cover 18; the double-spiral water channel ring 5 and the water channel outer ring 7 are fastened with the stator water channel rear end cover 18 into a whole through hot press molding; the inner side of the stator water channel rear end cover 18 is connected with a shell 33, the left end of the shell 33 is connected with a front end cover 1, the left end of the rotating shaft 2 penetrates through the front end cover 1, and the rotating shaft 2 can rotate relative to the front end cover 1, the stator water channel rear end cover 18 and the shell 33; the water channel outer ring 7 is connected with an inner stator iron core 11 through an inner stator iron core fixing ring 8; the inner stator core 11 is formed by overlapping a plurality of stator punching sheets, seventy-two stator open slots 111 are formed in the inner stator core 11, flat copper wire stator windings 112 formed by compression molding of flat copper wires are wound in the stator open slots 111, the flat copper wire stator winding 112 in the first stator open slot 111 is electrically connected with the flat copper wire stator winding 112 in the fifth stator open slot 111, and the like, so that the connection of the whole flat copper wire stator winding 112 is completed; the flat copper wire coil end part 9 on the inner stator iron core 11 is connected with a coil outgoing line terminal 36 through a coil outgoing line 37, and the coil outgoing line terminal 36 is electrically connected with a wiring board 38 arranged in an outgoing line box 35 on the machine shell 33; an outer rotor magnetic yoke 10 is arranged on the rotating shaft 2 through an outer rotor magnetic yoke retainer ring 34, and the inner stator iron core 11 is covered by the outer rotor magnetic yoke 10; magnetic steel 13 is arranged on the inner surface of the outer rotor magnetic yoke 10 at intervals; the magnetic steel 13 is adhered to the inner surface of the outer rotor magnetic yoke 10 through magnetic steel glue; the number of the magnetic steels 13 is sixteen; the magnetic steel 13 is positioned through the magnetic steel framework 12 during assembly, the magnetic steel 13 is fixed by magnetic steel glue, the assembly is quick, the work efficiency is high, the structure is simple, and the operation is reliable; the right end of the rotating shaft 2 is connected with a rotary transformer rotor 30 through a rotary transformer rotor pressing ring 29 and a rotary transformer rotor fastening screw 28; the right side of the double-helix water channel ring 5 is connected with a rotary transformer stator 27 matched with a rotary transformer rotor 30 through a rotary transformer stator pressing plate 24 and a rotary transformer stator pressing plate fastening screw 25, and the rotary transformer stator 27 is electrically connected with a wiring board 38 through a rotary transformer stator outgoing line.
Further, a sealing ring 4 is arranged between the rotating shaft 2 and the front end cover 1 and used for sealing between the front end cover 1 and the rotating shaft 2.
Furthermore, the coil outgoing line 37 passes through the line passing hole 181 on the rear end cover 18 of the stator water channel, so that the assembly of the coil outgoing line 37 is facilitated; the stator water channel rear end cover 18 is provided with a yielding hole 182, and the rotary transformer stator 27 is positioned in the yielding hole 182; the abdicating hole 182 is connected with a rotating cover 31 through a rotating cover fastening screw 26; and a sealing gasket 23 is arranged between the rotary cover 31 and the stator water channel rear end cover 18.
Further, winding end heat-conducting glue 20 is filled between the inner stator core fixing ring 8 and the flat copper wire coil end 9 and used for heat dissipation of the inner stator core 11.
Furthermore, a metal waterproof thread sleeve 17 is arranged on the outlet box 35; a sealing O-shaped ring 6 is arranged between the joint of the double-helix water channel ring 5 and the water channel outer ring 7; and the joints of the stator water channel rear end cover 18 and the double-spiral water channel ring 5 and the water channel outer ring 7 are respectively provided with an end cover inner ring water channel waterproof O-shaped ring 22 to enhance the sealing performance of the water channel.
In the embodiment, the stator core 11 is an inner stator, the open slot 111 is rectangular, the coil is formed by die pressing a flat copper wire, and the slot utilization rate is improved by 25% compared with that of a round copper wire; a robot can be used for offline; the motor efficiency can be improved through the multi-purpose copper and the magnetic steel which is used less, the cost is reduced, the power density and the torque density are improved, and the cost performance is better.
In the embodiment, the rotor adopts an outer rotor structure, the magnetic steel 13 adopts an air gap magnetic circuit with different cosines, and the air gap magnetic field is a sine wave, so that the magnetic motor has the characteristics of small harmonic wave and small torque pulsation; the rotor is an outer rotor, the magnetic steel 13 is attached to a magnetic yoke 10 of the outer rotor, a magnetic steel framework 12 is arranged during assembly and fixed by magnetic steel glue, and the magnetic steel rotor assembly device is rapid in assembly, high in work efficiency, simple in structure and reliable in operation.
In the embodiment, a stator core 11 is fixed on a rear end cover 10 of a stator water channel; the double-spiral water channel ring 5 and the water channel outer ring 7 are fastened with the rear end cover 10 of the stator water channel into a whole through hot pressing, and a closed water channel system is formed through the front sealing ring and the inner and outer O-shaped rings; the circular water channels on the rear end cover 10 of the stator water channel are respectively connected with the double-spiral water channel rings, so that a cold-hot alternating efficient heat dissipation water channel system is formed; the spiral water channel has the advantages of small water resistance and strong heat dissipation capability.
In this embodiment, the coil outgoing line 37 is led out from the stator water channel rear end cover 10, so as to facilitate installation and maintenance.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A permanent magnet driving motor device with a formed coil and a cosine surface-mounted magnetic steel outer rotor type is characterized in that: the device comprises a rotating shaft (2), wherein the left side and the right side of the rotating shaft (2) are respectively connected with a double-helix water channel ring (5) through a front bearing (3) and a rear bearing (32); the rear bearing (32) is arranged on the double-spiral water channel ring (5) through a rear bearing fixing retaining ring (16), and the rear bearing fixing retaining ring (16) is fixed on the double-spiral water channel ring (5) through a rear bearing retaining ring fixing screw (15); the outer ring of the double-helix water channel ring (5) is connected with a water channel outer ring (7) matched with the double-helix water channel ring (5), and the double-helix water channel ring (5) is matched with the water channel outer ring (7) to form a double-helix water channel (14); a stator water channel rear end cover (18) is arranged on the outer side of the double-spiral water channel ring (5); an end cover water inlet and outlet channel (21) communicated with the double-spiral water channel (14) is arranged on the stator water channel rear end cover (18); the inner side of the stator water channel rear end cover (18) is connected with a shell (33), the left end of the shell (33) is connected with a front end cover (1), the left end of the rotating shaft (2) penetrates through the front end cover (1), and the rotating shaft (2) can rotate relative to the front end cover (1), the stator water channel rear end cover (18) and the shell (33);
the water channel outer ring (7) is connected with an inner stator iron core (11) through an inner stator iron core fixing ring (8); the stator structure is characterized in that the inner stator core (11) is formed by overlapping a plurality of stator punching sheets, seventy-two stator open slots (111) are formed in the inner stator core (11), flat copper wire stator windings (112) formed by flat copper wires in a compression molding mode are wound in the stator open slots (111), the flat copper wire stator winding (112) in the first stator open slot (111) is electrically connected with the flat copper wire stator winding (112) in the fifth stator open slot (111), and the rest is done, so that the connection of the whole flat copper wire stator winding (112) is completed; the flat copper wire coil end part (9) on the inner stator iron core (11) is connected with a coil outgoing line terminal (36) through a coil outgoing line (37), and the coil outgoing line terminal (36) is electrically connected with a wiring board (38) arranged in an outgoing line box (35) on the shell (33);
an outer rotor magnetic yoke (10) is arranged on the rotating shaft (2) through an outer rotor magnetic yoke retainer ring (34), and the inner stator iron core (11) is covered in the outer rotor magnetic yoke (10); magnetic steels (13) are arranged on the inner surface of the outer rotor magnetic yoke (10) at intervals; and the magnetic steel (13) is adhered to the inner surface of the outer rotor magnetic yoke (10) through magnetic steel glue.
2. The apparatus of claim 1, wherein the shaped coil cosine table-attached magnetic steel outer rotor type permanent magnet driving motor device comprises: the number of the magnetic steels (13) is sixteen.
3. The apparatus of claim 1, wherein the shaped coil cosine table-attached magnetic steel outer rotor type permanent magnet driving motor device comprises: the double-spiral water channel ring (5), the water channel outer ring (7) and the stator water channel rear end cover (18) are fastened into a whole through hot press molding.
4. The apparatus of claim 1, wherein the shaped coil cosine table-attached magnetic steel outer rotor type permanent magnet driving motor device comprises: and a sealing ring (4) is arranged between the rotating shaft (2) and the front end cover (1).
5. The apparatus of claim 1, wherein the shaped coil cosine table-attached magnetic steel outer rotor type permanent magnet driving motor device comprises: and the coil outgoing line (37) passes through a line passing hole (181) on the rear end cover (18) of the stator water channel.
6. The apparatus of claim 1, wherein the shaped coil cosine table-attached magnetic steel outer rotor type permanent magnet driving motor device comprises: the stator water channel rear end cover (18) is provided with a yielding hole (182), and the rotary transformer stator (27) is positioned in the yielding hole (182); the abdicating hole (182) is connected with a rotating cover (31) through a rotating cover fastening screw (26); and a sealing gasket (23) is arranged between the rotary change cover (31) and the stator water channel rear end cover (18).
7. The apparatus of claim 1, wherein the shaped coil cosine table-attached magnetic steel outer rotor type permanent magnet driving motor device comprises: and winding end part heat-conducting glue (20) is filled between the inner stator iron core fixing ring (8) and the flat copper wire coil end part (9).
8. The apparatus of claim 1, wherein the shaped coil cosine table-attached magnetic steel outer rotor type permanent magnet driving motor device comprises: the right end of the rotating shaft (2) is connected with a rotary transformer rotor (30) through a rotary transformer rotor pressing ring (29) and a rotary transformer rotor fastening screw (28); the right side of the double-spiral water channel ring (5) is connected with a rotary transformer stator (27) matched with the rotary transformer rotor (30) through a rotary transformer stator pressing plate (24) and a rotary transformer stator pressing plate fastening screw (25), and the rotary transformer stator (27) is electrically connected with a wiring board (38) through a rotary transformer stator outgoing line.
9. The apparatus of claim 1, wherein the shaped coil cosine table-attached magnetic steel outer rotor type permanent magnet driving motor device comprises: and a metal waterproof thread sleeve (17) is arranged on the outlet box (35).
10. The apparatus of claim 1, wherein the shaped coil cosine table-attached magnetic steel outer rotor type permanent magnet driving motor device comprises: a sealing O-shaped ring (6) is arranged between the joint of the double-helix water channel ring (5) and the water channel outer ring (7); and the joints of the stator water channel rear end cover (18) and the double-spiral water channel ring (5) and the water channel outer ring (7) are respectively provided with an end cover inner ring water channel waterproof O-shaped ring (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921327235.6U CN211579715U (en) | 2019-08-15 | 2019-08-15 | Magnetic steel outer rotor type permanent magnet driving motor device for forming coil cosine surface mounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921327235.6U CN211579715U (en) | 2019-08-15 | 2019-08-15 | Magnetic steel outer rotor type permanent magnet driving motor device for forming coil cosine surface mounting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211579715U true CN211579715U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921327235.6U Active CN211579715U (en) | 2019-08-15 | 2019-08-15 | Magnetic steel outer rotor type permanent magnet driving motor device for forming coil cosine surface mounting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211579715U (en) |
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2019
- 2019-08-15 CN CN201921327235.6U patent/CN211579715U/en active Active
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