CN214543993U

CN214543993U - High-efficiency permanent magnet synchronous motor

Info

Publication number: CN214543993U
Application number: CN202120576344.2U
Authority: CN
Inventors: 陆进; 蔡亚平
Original assignee: Jiangsu Fulde Environmental Technology Co ltd
Current assignee: Jiangsu Fulde Environmental Technology Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-10-29
Anticipated expiration: 2031-03-22

Abstract

The utility model belongs to centrifugal fan is with relevant apparatus field, especially is high-efficient PMSM, including motor housing, first fan support and second fan support, welded fastening has the fin on motor housing's the outside lateral wall, motor housing's inside cavity center department level is provided with the rotor, the outside of rotor is provided with motor stator, the last motor coil that is provided with of motor stator, space department is provided with motor fin between motor stator and the motor housing, the left end of rotor is provided with air bearing, air bearing's left side is provided with the thrust runner, the outside of thrust runner is provided with the thrust plate. The utility model discloses a rotor drives cooling fan and rotates, and then drives the air current and flow, makes a large amount of heats that the motor produced at the during operation can effectively be distributed, is angle adjustable through cardboard and fagging and is connected fixedly, makes the staff can adjust the angle between permanent magnet synchronous motor and the fan support as required.

Description

High-efficiency permanent magnet synchronous motor

Technical Field

The utility model relates to a centrifugal fan specifically is high-efficient PMSM with relevant apparatus field.

Background

The permanent magnet synchronous motor has the advantages of simple structure, small volume, high efficiency, high power factor and the like, the permanent magnet synchronous motor has gained performance in medium and low voltage motors in the industries of metallurgy (iron and sintering plants and the like), ceramics (ball mills), rubber (internal mixers), petroleum (oil pumping units), textile (two-for-one twisters, spinning frames) and the like, and gradually accumulates design and operation experiences, the starting and the operation of the permanent magnet synchronous motor are formed by the interaction of magnetic fields generated by a stator winding, a rotor squirrel-cage winding and a permanent magnet, when the motor is static, three-phase symmetrical current is introduced into the stator winding to generate a stator rotating magnetic field, the stator rotating magnetic field generates current in the cage winding relative to the rotation of the rotor to form a rotor rotating magnetic field, and asynchronous torque generated by the interaction of the stator rotating magnetic field and the rotor rotating magnetic field enables the rotor to rotate in an accelerating way from the static state, in the process, the rotating speeds of the rotor permanent magnetic field and the stator rotating magnetic field are different, and alternating torque is generated.

The existing permanent magnet synchronous motor has the following problems:

1. most of the backs of the existing permanent magnet synchronous motors are not provided with cooling fans, so that a large amount of heat generated by the motors during working cannot be effectively dissipated.

2. The existing permanent magnet synchronous motor and the fan support are mostly connected and fixed in a welding mode, so that a worker cannot adjust the angle between the permanent magnet synchronous motor and the fan support according to needs.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high-efficient PMSM through setting up cooling fan, has solved the problem that a large amount of heats that the motor produced at the during operation can't effectively be gived off, is angle adjustable through cardboard and fagging and is connected fixedly, has solved the problem that the staff can't adjust the angle between PMSM and the fan support as required.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the high-efficiency permanent magnet synchronous motor comprises a motor shell, a first fan bracket and a second fan bracket, wherein radiating fins are welded and fixed on the outer side wall of the motor shell, a rotor is horizontally arranged at the center of an inner cavity of the motor shell, a motor stator is arranged on the outer side of the rotor, a motor coil is arranged on the motor stator, motor radiating fins are arranged at a gap between the motor stator and the motor shell, an air bearing is arranged at the left end of the rotor, a thrust runner is arranged at the left side of the air bearing, a thrust plate is arranged outside the thrust runner, a thrust bearing is arranged between the thrust plate and the motor shell, a cooling fan is connected at the right end of the rotor, the cooling fan is positioned on the right side wall of the motor shell, six fan blades are arranged on the cooling fan, and a connecting rod is horizontally welded and fixed at the left end of the rotor, the connecting rod is provided with screwing threads, the connecting rod is connected with an impeller and a fastening screw, the fastening screw is screwed and locked at the top end of the left side of the impeller, and the impeller is detachably connected with the rotor through the fastening screw.

As an optimal technical scheme of the utility model, motor housing's left end is connected and is fixed with the radome fairing, be provided with the vortex on the radome fairing, the vertical guide duct that is provided with on the vortex, the top level welded fastening of guide duct has the butt joint dish, be provided with the through hole on the butt joint dish, the butt joint dish upper surface bondage has the rubber packing ring.

As a preferred technical scheme of the utility model, motor housing's right-hand member is connected and is fixed with the cooling fan cover, the center department of cooling fan cover is provided with circular through hole, circular through hole internal fixation has the filter screen, the filter screen adopts the stainless steel wire welding to constitute network structure to at the attached one deck non-woven fabrics that is fixed with in filter screen left and right sides surface.

As a preferred technical scheme of the utility model, motor housing's bottom center department welded fastening has the cardboard, the last welded fastening of first fan support has the fagging, cardboard and the nested butt joint of fagging, the cardboard is provided with the center department of fagging and runs through the screw, it has the locking screw to twist the locking soon in the screw, motor housing is angle adjustable through locking screw and first fan support and is connected.

As a preferred technical scheme of the utility model, the four corners department of second fan support and first fan support is provided with the rubber sheet pad, the vertical welded fastening threaded rod in four corners department of first fan support, the four corners department of second fan support and the center department of rubber sheet pad are provided with the through hole, the nut has been twisted on the threaded rod top spin, second fan support and first fan support pass through the screw rod and twist soon the locking with the nut, and then are detachable connection.

(III) advantageous effects

Compared with the prior art, the utility model provides a high-efficient PMSM possesses following beneficial effect:

1. this synchronous machine drives cooling fan through the rotor and rotates, and then drives the air current and flows, makes the motor can effectively be gived off in a large amount of heats that the during operation produced.

2. This synchronous machine is angle adjustable through cardboard and fagging and is connected fixedly, makes the staff can adjust the angle between PMSM and the fan support as required.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the split structure of the present invention;

FIG. 3 is a schematic view of the back structure of the present invention;

fig. 4 is a schematic view of the sectional structure of the motor housing of the present invention.

In the figure: 1. a motor housing; 2. a heat sink; 3. a cooling fan housing; 4. a cowling; 5. (ii) a scroll; 6. a docking tray; 7. clamping a plate; 8. a supporting plate; 9. a first fan support; 10. a rubber plate pad; 11. a second fan support; 12. filtering with a screen; 13. an impeller; 14. fastening screws; 15. a cooling fan; 16. a rotor; 17. a motor heat sink; 18. a motor stator; 19. a motor coil; 20. an air bearing; 21. a thrust runner; 22. a thrust plate; 23. and a thrust bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a high-efficiency permanent magnet synchronous motor comprises a motor shell 1, a first fan bracket 9 and a second fan bracket 11, wherein a radiating fin 2 is welded and fixed on the outer side wall of the motor shell 1, a rotor 16 is horizontally arranged at the center of an inner cavity of the motor shell 1, a motor stator 18 is arranged on the outer side of the rotor 16, a motor coil 19 is arranged on the motor stator 18, a motor radiating fin 17 is arranged at the gap between the motor stator 18 and the motor shell 1, an air bearing 20 is arranged at the left end of the rotor 16, a thrust runner 21 is arranged at the left side of the air bearing 20, a thrust plate 22 is arranged outside the thrust runner 21, a thrust bearing 23 is arranged between the thrust plate 22 and the motor shell 1, a cooling fan 15 is connected at the right end of the rotor 16, the cooling fan 15 is positioned on the right side wall of the motor shell 1, six fan blades are arranged on the cooling fan 15, and a connecting rod is horizontally welded and fixed at the left end of the rotor 16, the connecting rod is provided with screwing threads, the connecting rod is connected with an impeller 13 and a fastening screw 14, the fastening screw 14 is screwed and locked at the top end of the left side of the impeller 13, and the impeller 13 is detachably connected with a rotor 16 through the fastening screw 14.

In this embodiment, the rotor 16 drives the cooling fan 15 to rotate, so as to drive the airflow to flow from the tail of the motor housing 1 to the top, and the heat dissipation is performed through the heat dissipation fins 2, so that a large amount of heat generated by the motor during operation can be effectively dissipated.

Specifically, a fairing 4 is fixedly connected to the left end of the motor shell 1, a scroll 5 is arranged on the fairing 4, an air guide pipe is vertically arranged on the scroll 5, a butt joint disc 6 is horizontally welded and fixed to the top of the air guide pipe, a through hole is formed in the butt joint disc 6, and a rubber gasket is cemented on the upper surface of the butt joint disc 6.

In this embodiment, make radome fairing 4 can be fixed with external tuber pipe high-speed joint through docking disk 6 to guarantee the leakproofness of junction through the rubber packing ring.

Specifically, the right-hand member of motor housing 1 is connected and is fixed with cooling fan cover 3, and the center department of cooling fan cover 3 is provided with circular through hole, and circular through hole internal fixation has filter screen 12, and filter screen 12 adopts the stainless steel wire welding to constitute network structure to at the attached one deck non-woven fabrics that is fixed with in the left and right sides surface of filter screen 12.

In this embodiment, the dust in the air is blocked and filtered by the nonwoven fabric, and is prevented from being sucked into the cowling 4.

Concretely, the bottom center department welded fastening of motor housing 1 has cardboard 7, and the last welded fastening of first fan support 9 has fagging 8, and cardboard 7 and fagging 8 are nested to be docked, and cardboard 7 is provided with the through screw with fagging 8's center department, and it has the locking screw to twist the locking in the screw soon, and motor housing 1 is angle adjustable through locking screw and first fan support 9 and is connected.

In this embodiment, by screwing the locking screw, the worker can adjust the angle between the motor housing 1 and the first fan support 9 as needed.

Specifically, the rubber plate pad 10 is arranged at the four corners of the second fan support 11 and the first fan support 9, the threaded rods are vertically welded and fixed at the four corners of the first fan support 9, the through holes are formed in the four corners of the second fan support 11 and the center of the rubber plate pad 10, the nuts are screwed on the threaded rods, and the second fan support 11 and the first fan support 9 are locked by screwing the nuts through the threaded rods and the nuts, so that the detachable connection is realized.

In this embodiment, constitute overall structure through setting up second fan support 11 and first fan support 9 connection, guarantee the holistic rigidity of fan support to through the isolation of rubber slab pad 10, prevent wearing and tearing between second fan support 11 and the first fan support 9.

The utility model discloses a theory of operation and use flow: when using the device, earlier motor housing 1 passes through cardboard 7, fagging 8 docks, and then adjust the angle between motor housing 1 and first fan support 9 as required, then it is fixed with scroll 5 to pass through docking tray 6 with external tuber pipe, at the motor during operation, rotor 16 drives cooling fan 15 and rotates, and then drive the air current and flow from motor housing 1 afterbody to the top, and dispel the heat through fin 2, make the motor can effectively be gived off at a large amount of heats that the during operation produced, realize efficient work.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. High-efficient permanent magnet synchronous machine, including motor housing (1), first fan support (9) and second fan support (11), its characterized in that: the cooling fan is characterized in that cooling fins (2) are welded and fixed on the lateral wall of the outer side of the motor shell (1), a rotor (16) is horizontally arranged at the center of an inner cavity of the motor shell (1), a motor stator (18) is arranged on the outer side of the rotor (16), a motor coil (19) is arranged on the motor stator (18), motor cooling fins (17) are arranged at a gap between the motor stator (18) and the motor shell (1), an air bearing (20) is arranged at the left end of the rotor (16), a thrust runner (21) is arranged on the left side of the air bearing (20), a thrust plate (22) is arranged outside the thrust runner (21), a thrust bearing (23) is arranged between the thrust plate (22) and the motor shell (1), a cooling fan (15) is connected to the right end of the rotor (16), and the cooling fan (15) is arranged on the lateral wall of the right side of the motor shell (1), cooling fan (15) are provided with six flabellums altogether, the left end horizontal weld of rotor (16) is fixed with the connecting rod, be provided with on the connecting rod and revolve wrong screw thread, be connected with impeller (13) and fastening screw (14) on the connecting rod, fastening screw (14) are revolved wrong locking in the left side top department of impeller (13), impeller (13) are detachable the connection through fastening screw (14) and rotor (16).

2. The high efficiency permanent magnet synchronous machine of claim 1, wherein: the left end of the motor shell (1) is fixedly connected with a fairing (4), a scroll (5) is arranged on the fairing (4), an air guide pipe is vertically arranged on the scroll (5), a butt joint disc (6) is horizontally welded and fixed to the top of the air guide pipe, a through hole is formed in the butt joint disc (6), and a rubber gasket is cemented on the upper surface of the butt joint disc (6).

3. The high efficiency permanent magnet synchronous machine of claim 1, wherein: the motor casing (1) right-hand member is connected and is fixed with cooling fan cover (3), the center department of cooling fan cover (3) is provided with circular through hole, circular through hole internal fixation has filter screen (12), filter screen (12) adopt the stainless steel wire welding to constitute network structure to filter screen (12) left and right sides surface is attached to be fixed with the one deck non-woven fabrics.

4. The high efficiency permanent magnet synchronous machine of claim 1, wherein: the utility model discloses a motor casing, including motor casing (1), bottom center department welded fastening has cardboard (7), the last welded fastening of first fan support (9) has fagging (8), cardboard (7) and fagging (8) nested butt joint, cardboard (7) and fagging (8) center department are provided with and run through the screw, it has the locking screw to twist the locking in the screw, motor casing (1) is angle adjustable through locking screw and first fan support (9) and is connected.

5. The high efficiency permanent magnet synchronous machine of claim 1, wherein: the four corners department of second fan support (11) and first fan support (9) is provided with rubber sheet pad (10), the vertical welded fastening threaded rod in four corners department of first fan support (9), the four corners department of second fan support (11) and the center department of rubber sheet pad (10) are provided with the through hole, the threaded rod is screwed on and is twisted the nut, second fan support (11) and first fan support (9) are twisted the locking through screw rod and nut, and then are detachable connection.