CN218276356U

CN218276356U - Speed-regulating heat dissipation device of permanent magnet synchronous motor

Info

Publication number: CN218276356U
Application number: CN202222335326.2U
Authority: CN
Inventors: 臧志栋
Original assignee: Wuxi Xinjun Motor Co ltd
Current assignee: Wuxi Xinjun Motor Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-01-10
Anticipated expiration: 2032-09-02

Abstract

The utility model discloses a PMSM speed governing heat abstractor, including the casing, the inside organism that sets up of casing, the organism side is provided with the rotor, and the permanent magnet is all installed all around to the lateral surface of rotor, the inside heat abstractor that is provided with of casing, and heat abstractor includes: stator core, linear electric motor, the heating panel, radiating fin, the opening, the filter screen, the air exhauster, the breather pipe, fixing device, the filter, the fixed block, the extrusion piece, the device groove, the extrusion spring, the arc fixture block, hollow block, the arc notch, be provided with stator core on the organism side, the rotor is located inside stator core, casing left side inner wall is provided with linear electric motor, make people move stator core's position through starting linear electric motor in the casing outside, through adjusting the relative position between rotor and the stator, can change the moment of torsion of transmission between the two, can realize repeatable, adjustable controllable output torque and rotational speed, realize the energy-conserving purpose of speed governing.

Description

Speed-regulating heat dissipation device of permanent magnet synchronous motor

Technical Field

The utility model relates to a PMSM technical field specifically is a PMSM speed governing heat abstractor.

Background

The permanent magnet motor has the characteristics of simple structure, small volume, high operation efficiency, small loss and the like. Compared with an induction motor, the induction motor does not need reactive exciting current, so that the power factor is high.

Can produce a large amount of heats in the present permanent magnet synchronous motor working process, rely on the shell to transmit to the outside usually, the radiating effect is general to the heat accumulation is peripheral at permanent magnet synchronous motor, leads to the heat dissipation slow, is unfavorable for permanent magnet synchronous motor's use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a PMSM speed governing heat abstractor has solved the higher problem that influences the use of PMSM temperature when using.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a speed-regulating heat-dissipating device of a permanent magnet synchronous motor comprises a shell, a motor body is arranged in the shell, a rotor is arranged on the side of the motor body, all install the permanent magnet around the lateral surface of rotor, the inside heat abstractor that is provided with of casing, heat abstractor includes:

the stator core is arranged on the side edge of the machine body, the rotor is positioned in the stator core, and the inner wall of the left side of the shell is provided with a linear motor;

the upper end of the machine body is provided with a heat dissipation plate, the upper end of the heat dissipation plate is fixedly connected with heat dissipation fins, the right side of the shell is provided with an opening, and the inner walls of the upper end and the lower end of the opening are fixedly connected with a filter screen;

the upper end of the shell is fixedly connected with an exhaust fan, a vent pipe is arranged at an exhaust opening of the exhaust fan and penetrates through the upper end of the shell;

fixing device, the air exhauster right side is provided with fixing device, fixing device includes the filter, the air exhauster right side is provided with the filter, filter side fixed connection fixed block, the fixed block is close to the one end fixed connection extrusion piece of air exhauster, the device groove has been seted up to the extrusion piece right-hand member, the inside fixed connection extrusion spring of device inslot, extrusion spring upper end fixed connection arc fixture block, the side fixedly connected with hollow block of air exhauster, the arc notch has been seted up to hollow block inside.

Preferably, the fixing means are provided in two groups, the two groups of fixing devices are symmetrically arranged by taking the central line of the exhaust fan as a symmetry axis, so that the exhaust fan can be clamped to filter dust and be conveniently detached.

Preferably, the part of the vent pipe positioned in the shell is fixedly connected with the upper end of the inner wall of the shell, the lower end of the vent pipe is provided with a plurality of groups of air spraying heads which are arranged on the lower surface of the vent pipe in an array form.

Preferably, the arc-shaped clamping block and the arc-shaped notch are matched to be conveniently connected.

Preferably, the one end that the organism was kept away from to the rotor runs through the casing, rotor and casing handing-over department are provided with the pivot.

Preferably, the output shaft of the linear motor is fixedly connected with the lower end of the stator core, so that the stator core can be moved by starting the linear motor.

(III) advantageous effects

The utility model provides a PMSM speed governing heat abstractor. The method has the following beneficial effects:

(1) The utility model discloses a permanent-magnet machine, including the air exhauster, the stator core has been set up, linear electric motor makes people can be through the relative position between regulation rotor and the stator, carry out the speed governing to permanent-magnet machine, the heating panel has been set up, radiating fin accomplishes to carry out long-term heat dissipation to the organism, the opening has been set up, the filter screen makes the casing inside can cool down through the air flow, and the filter screen can block the dust, the air exhauster has been set up, the breather pipe is cooled down the heat dissipation to the casing inside, it is used for the air intake department fixed connection of air exhauster and filters the inside air of air exhauster of blowing into to have set up fixing device, make the air exhauster can not take the dust inside air exhauster and come through the blowout wind-jet head blowout when exchanging wind-force.

(2) The output shaft of the linear motor is fixedly connected with the lower end of the stator core, so that people can conveniently move at the position of the shell, at which the linear motor is started to drive the electronic core.

Drawings

FIG. 1 is a schematic view of the overall device of the present invention;

FIG. 2 is a front sectional structural view of the present invention;

FIG. 3 is a schematic top view of the exhaust fan and the fixing device of the present invention;

fig. 4 is an enlarged schematic structural view of part a of the present invention.

In the figure: 1. a housing; 2. a body; 4. a rotor; 5. a heat sink; 501. a stator core; 502. a linear motor; 503. a heat dissipation plate; 504. a heat dissipating fin; 505. an opening; 506. a filter screen; 507. an exhaust fan; 508. a breather pipe; 509. a fixing device; 5091. a filter plate; 5092. a fixed block; 5093. extruding the block; 5094. a device slot; 5095. a compression spring; 5096. an arc-shaped fixture block; 5097. a hollow block; 5098. an arc-shaped notch; 6. a blast head; 7. a rotating shaft.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a PMSM speed governing heat abstractor, includes

casing

1, and 1 inside organism 2 that is provided with of casing, 2 sides of organism are provided with rotor 4, and the permanent magnet is all installed all around to the lateral surface of

rotor

4, and 1 inside heat abstractor 5 that is provided with of casing, heat abstractor 5 includes:

stator core

501, 2 sides of organism are provided with stator core 501, rotor 4 is located inside stator core 501, casing 1 left side inner wall is provided with linear

electric motor

502, 2 upper ends of organism are provided with heating panel 503, heating panel 503 upper end fixed connection radiating fin 504, opening 505 has been seted up on casing 1 right side, lower extreme inner wall fixedly connected with filter screen 506 on opening 505, casing 1's upper end fixedly connected with air exhauster 507, air exhauster 507 suction opening goes out and is provided with breather pipe 508, breather pipe 508 runs through casing 1 upper end, air exhauster 507 right side is provided with fixing device 509, fixing device 509 includes filter 5091, air exhauster 507 right side is provided with filter 5091, filter 5091 side fixed connection fixed block 5092, fixed block 5092 is close to the one end fixed connection extrusion 5093 of air exhauster 507, device groove 5094 has been seted up to extrusion 5093 right-hand member, device groove 5094 internal fixation connection extrusion spring 5095, extrusion 5095 upper end fixed connection arc 5096, the side fixed connection hollow 5097 of air exhauster 507, arc 5097 has seted up notch 5098 inside.

Particularly, the utility model discloses technical scheme's heat abstractor 5 includes: stator core 501, linear motor 502, heat dissipation plate 503, heat dissipation fins 504, opening 505, filter screen 506, air exhauster 507, air pipe 508, fixing device 509, filter plate 5091, fixing block 5092, extrusion block 5093, device groove 5094, extrusion spring 5095, arc fixture block 5096, hollow block 5097 and arc notch 5098.

The utility model discloses an in the embodiment, be provided with stator core 501 at 2 sides of organism, rotor 4 is located inside

stator core

501, 1 left side inner wall of casing is provided with linear electric motor 502, make people can remove stator core 501's position through starting linear electric motor 502 in the 1 outside of casing, through adjusting the relative position between rotor 4 and the stator, can change the moment of torsion of transmission between the two, can realize repeatable, adjustable controllable output moment of torsion and rotational speed, realize the energy-conserving purpose of speed governing.

Further, a heat dissipation plate 503 is disposed at the upper end of the casing 2, a heat dissipation fin 504 is fixedly connected to the upper end of the heat dissipation plate 503, so as to perform long-term heat dissipation on the casing 2, thereby improving the heat dissipation performance of the permanent magnet synchronous motor itself, so that heat is not accumulated around the permanent magnet synchronous motor, which leads to slow heat dissipation, and is beneficial to the use of the permanent magnet synchronous motor, an opening 505 is disposed at the right side of the casing 1, a filter screen 506 is fixedly connected to the inner wall of the upper end and the lower end of the opening 505, the casing 1 can perform gas exchange through the opening 505 at the filter screen 506 during normal use, thereby preventing the internal temperature of the casing 1 from being too high and causing adverse effects on the casing 2 inside the casing 1, dust is blocked on the surface of the filter screen 506 and prevented from entering the casing 1 and being adhered to the surface of the casing 2 to affect heat dissipation, an exhaust fan 507 is fixedly connected to the upper end of the casing 1, an exhaust fan 507 is provided with a vent pipe 508, the vent pipe 508 penetrates through the upper end of the casing 1, the interior of a shell 1 is cooled by starting an exhaust fan 507, a fixing device 509 is arranged on the right side of the exhaust fan 507, the fixing device 509 comprises a filter plate 5091, a filter plate 5091 is arranged on the right side of the exhaust fan 507, the side edge of the filter plate 5091 is fixedly connected with a fixing block 5092, one end of the fixing block 5092 close to the exhaust fan 507 is fixedly connected with an extrusion block 5093, a device groove 5094 is formed in the right end of the extrusion block 5093, an extrusion spring 5095 is fixedly connected in the device groove 5094, the upper end of the extrusion spring 5095 is fixedly connected with an arc-shaped fixture 5096, the side edge of the exhaust fan 507 is fixedly connected with a hollow block 5097, an arc-shaped notch 5098 is formed in the hollow block 5097, the air inlet of the exhaust fan 507 is provided with a filter plate 5091 for filtering air entering the exhaust fan 507, the arc-shaped fixture 5096 and the arc-shaped notch 5098 are arranged for facilitating the fixed connection of the exhaust fan 507 and the filter plate 5091, the hollow block 5097 is extruded by extruding the inner wall of the arc-shaped fixture 5096 so that the hollow block 5097 can extrude the spring 5095 inwards to enter the device groove 5094, then remove spacing and outwards pop out when arc fixture block 5096 moves to arc notch 5098 department and make air exhauster 507 and filter 5091 carry out fixed connection and conveniently install and dismantle the two, make air exhauster 507 can not take the dust inside air exhauster 507 and come through the blowout of blast nozzle 6 when exchanging wind-force, accomplish to dispel the heat to organism 2.

Referring to fig. 1-4, two sets of fixing devices 509 are provided, the two sets of fixing devices 509 are symmetrically arranged with the central line of the exhaust fan 507 as the symmetry axis, the portion of the vent pipe 508 located inside the casing 1 is fixedly connected to the upper end of the inner wall of the casing 1, the lower end of the vent pipe 508 is provided with a plurality of sets of air nozzles 6, the plurality of sets of air nozzles 6 are arranged on the lower surface of the vent pipe 508 in an array form, the arc-shaped fixture block 5096 is adapted to the arc-shaped notch 5098, one end of the rotor 4 far away from the machine body 2 penetrates through the casing 1, a rotating shaft 7 is provided at the joint of the rotor 4 and the casing 1, and the output shaft of the linear motor 502 is fixedly connected with the lower end of the stator core 501.

In order to prevent the instability of the fixing device 509 when the air extractor 507 is clamped, two fixing devices 509 are arranged at the air inlet of the air extractor 507 to fix the air extractor 507, so that the connection and the disassembly of people are facilitated.

The utility model discloses an among the embodiment, so be provided with the multiunit with shower nozzle 6 for the shower nozzle 6 carries out all-round bloies to organism 2 for convenience, multiunit shower nozzle 6 is arranged at breather pipe 508 lower surface convenience with the array form and is cooled down organism 2.

When the permanent magnet synchronous motor is used, when a user needs to adjust the speed of the permanent magnet synchronous motor, the linear motor 502 can be started to drive the stator core 501 to move, so that the relative position between the stator core 501 and the rotor 4 is changed, the torque transmitted between the stator core 501 and the rotor 4 can be changed, repeatable and adjustable controllable output torque can be realized, and wider rotation speed adjustment can be realized for the motor.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PMSM speed governing heat abstractor, includes casing (1), casing (1) inside is provided with organism (2), organism (2) side is provided with rotor (4), the permanent magnet, its characterized in that are all installed all around to the lateral surface of rotor (4): casing (1) inside is provided with heat abstractor (5), heat abstractor (5) include:

the motor comprises a stator core (501), the stator core (501) is arranged on the side edge of the machine body (2), the rotor (4) is located inside the stator core (501), and a linear motor (502) is arranged on the inner wall of the left side of the shell (1);

the upper end of the machine body (2) is provided with a heat dissipation plate (503), the upper end of the heat dissipation plate (503) is fixedly connected with a heat dissipation fin (504), the right side of the shell (1) is provided with an opening (505), and the inner walls of the upper end and the lower end of the opening (505) are fixedly connected with a filter screen (506);

the upper end of the shell (1) is fixedly connected with an exhaust fan (507), an air exhaust pipe (508) is arranged at an air exhaust opening of the exhaust fan (507), and the air exhaust pipe (508) penetrates through the upper end of the shell (1);

fixing device (509), air exhauster (507) right side is provided with fixing device (509), fixing device (509) includes filter (5091), air exhauster (507) right side is provided with filter (5091), filter (5091) side fixed connection fixed block (5092), fixed block (5092) are close to one end fixed connection extrusion block (5093) of air exhauster (507), device groove (5094) have been seted up to extrusion block (5093) right-hand member, device groove (5094) inside fixed connection extrusion spring (5095), extrusion spring (5095) upper end fixed connection arc fixture block (5096), the side fixed connection of air exhauster (507) has hollow block (5097), arc notch (5098) have been seted up to hollow block (5097) inside.

2. The speed-regulating heat dissipation device for the permanent magnet synchronous motor according to claim 1, wherein: the fixing devices (509) are arranged in two groups, and the two groups of fixing devices (509) are symmetrically arranged by taking the central line of the exhaust fan (507) as a symmetry axis.

3. The speed-regulating heat dissipation device for the permanent magnet synchronous motor according to claim 1, wherein: the part of the ventilating pipe (508) which is positioned inside the shell (1) is fixedly connected to the upper end of the inner wall of the shell (1), a plurality of groups of air nozzles (6) are arranged at the lower end of the ventilating pipe (508), and the plurality of groups of air nozzles (6) are arranged on the lower surface of the ventilating pipe (508) in an array form.

4. The speed-regulating heat-dissipating device of a permanent magnet synchronous motor according to claim 1, wherein: the arc-shaped clamping block (5096) is matched with the arc-shaped notch (5098).

5. The speed-regulating heat dissipation device for the permanent magnet synchronous motor according to claim 1, wherein: one end of the rotor (4) far away from the machine body (2) penetrates through the shell (1), and a rotating shaft (7) is arranged at the joint of the rotor (4) and the shell (1).

6. The speed-regulating heat dissipation device for the permanent magnet synchronous motor according to claim 1, wherein: and an output shaft of the linear motor (502) is fixedly connected with the lower end of the stator core (501).