CN216356267U - Magnetic suspension permanent magnet motor - Google Patents

Abstract

The utility model discloses a magnetic suspension permanent magnet motor which comprises a motor body, a controller assembly and a power supply assembly, wherein a control cabinet is integrated on the motor body, the control cabinet is provided with an accommodating cavity, the controller assembly and the power supply assembly are accommodated in the accommodating cavity, the motor body and the power supply assembly are electrically connected with the controller assembly, an air outlet is formed in one side of the motor body, and the control cabinet is positioned at one end, far away from the air outlet, of the motor body. This magnetic suspension permanent-magnet machine integrated level is high, and the space occupancy is little, and the security is high, and the practicality is strong, has effectively reduced the cost that controller subassembly and motor body electricity are connected, has effectively avoided the scattered potential safety hazard problem that causes of lead wire distribution, and has effectively avoided causing controller subassembly and power supply module trouble by the high temperature.

Description

Magnetic suspension permanent magnet motor

Technical Field

The utility model relates to the technical field of motors, in particular to a magnetic suspension permanent magnet motor.

Background

The magnetic suspension motor is a low-loss and high-performance motor which utilizes the action of electromagnetic force to suspend a motor rotor in the air, and the motor rotor is not in mechanical contact with a motor stator. However, the controller, the power box and the motor body of the existing magnetic suspension motor are mostly arranged in a split manner, wherein the controller of the magnetic suspension motor is electrically connected with the motor body through a set of Hauding heads, and the controller of the magnetic suspension motor is electrically connected with the power box through a cable, so that the use cost is high; the controller, the power box and the motor body of the magnetic suspension motor are arranged in a split mode, so that the space occupancy rate is high, cables are distributed in a scattered mode, and potential safety hazards exist; if the distance between the controller of the magnetic suspension motor and the motor body is relatively long, the control performance of the controller of the magnetic suspension motor on the motor body can be reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a magnetic suspension permanent magnet motor, which aims to solve the problems of high use cost, high space occupancy rate of the magnetic suspension permanent magnet motor, poor control performance of a controller and scattered cable distribution caused by the split arrangement of the controller, a power supply box and a motor body of the magnetic suspension permanent magnet motor in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a magnetic suspension permanent magnet motor comprises a motor body, a controller assembly and a power supply assembly, wherein a control cabinet is integrated on the motor body, a containing cavity is formed in the control cabinet, the controller assembly and the power supply assembly are contained in the containing cavity, the motor body and the power supply assembly are electrically connected with the controller assembly, an air outlet is formed in one side of the motor body, and the control cabinet is located at one end, far away from the air outlet, of the motor body.

Preferably, the magnetic suspension permanent magnet motor comprises a partition plate assembly, the partition plate assembly comprises a first partition plate detachably connected to the control cabinet, the first partition plate divides the accommodating cavity into a first cavity and a second cavity which are distributed along the height direction of the control cabinet, the first cavity is located above the second cavity, the controller assembly is detachably connected to the first partition plate and located in the first cavity, and the power supply assembly and part of the motor body are located in the second cavity.

Preferably, the partition plate assembly further comprises a second partition plate and a third partition plate, the second partition plate and the third partition plate are detachably connected to the control cabinet, the second partition plate and the third partition plate are distributed at intervals along the length direction of the control cabinet and divide the second chamber into a first portion, a second portion and a third portion, the second portion is located between the first portion and the third portion, the power supply assembly is detachably connected to the second partition plate and located in the first portion, the motor body portion is located in the second portion, the magnetic levitation permanent magnet motor further comprises a wiring board, the wiring board is detachably connected to the third partition plate and located in the third portion, and the wiring board is used for connecting the motor body and an external cable.

Preferably, the third partition plate is provided with a first through hole and a second through hole, one of the first through hole and the second through hole is used for electrically connecting a lead wire passing through the motor body with the terminal block, and the other is used for electrically connecting a lead wire passing through the controller assembly with the motor body.

Preferably, a third through hole is formed in the bottom of the control cabinet, and the external cable penetrates through the third through hole to be electrically connected with the wiring board.

Preferably, the control cabinet is provided with a first fan and a first ventilation opening communicated with the first chamber, and the first fan and the first ventilation opening are arranged oppositely and at intervals.

Preferably, the control cabinet is provided with a second fan and a second ventilation opening communicated with the first part, and the second fan and the second ventilation opening are opposite and spaced.

Preferably, the first ventilation opening and/or the second ventilation opening are/is provided with a dust screen.

Preferably, the switch board includes the cabinet body and shrouding, the cabinet body is equipped with the opening, the shrouding can dismantle connect in the cabinet body and can with the opening seals.

Preferably, the first separator is an epoxy resin plate.

The utility model has the beneficial effects that:

the utility model provides a magnetic suspension permanent magnet motor which comprises a motor body, a controller assembly and a power supply assembly, wherein a control cabinet is integrated on the motor body, the control cabinet is provided with an accommodating cavity, the controller assembly and the power supply assembly are accommodated in the accommodating cavity, the motor body and the power supply assembly are electrically connected with the controller assembly, an air outlet is formed in one side of the motor body, and the control cabinet is positioned at one end, far away from the air outlet, of the motor body. The magnetic suspension permanent magnet motor integrates the control cabinet on the motor body, and then the controller assembly and the power supply assembly are accommodated in the control cabinet, compared with the prior art that the controller, the power supply box and the motor body are arranged in a split manner, the magnetic suspension permanent magnet motor has high integration level and small space occupancy rate; the controller assembly and the power supply assembly are accommodated in the control cabinet, and the problem of poor control performance of the controller assembly caused by the space between the controller assembly and the motor body is effectively solved, wherein a lead of the power supply assembly is electrically connected with a part of leads of the controller assembly to provide electric energy for the controller assembly, and the other part of leads of the controller assembly are also electrically connected with leads of the motor body to control the motor body to work; simultaneously, because the temperature of motor body's air outlet department is higher, through setting up the switch board in the one end of keeping away from the air outlet on motor body, can effectively avoid the high-temperature gas of air outlet department to transmit the heat to controller subassembly and power supply module to avoid causing controller subassembly and power supply module trouble by the high temperature, the security is high, and the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of a magnetic levitation permanent magnet motor provided by an embodiment of the utility model;

FIG. 2 is a partial structural schematic view of a magnetically levitated permanent magnet motor along a first angle according to an exemplary embodiment of the present invention;

FIG. 3 is a partial structural schematic view of a magnetically levitated permanent magnet motor along a second angle according to an exemplary embodiment of the present invention;

fig. 4 is a partial structural schematic diagram of a magnetic levitation permanent magnet motor along a third angle according to an embodiment of the present invention.

In the figure:

1. a motor body; 11. an air outlet;

2. a controller assembly;

3. a power supply component;

4. a control cabinet; 41. a cabinet body; 411. a third through hole; 412. a first vent; 413. a second vent; 414. a third vent; 415. a fourth vent; 42. closing the plate;

51. a first separator; 52. a second separator; 53. a third partition plate; 531. a first through hole; 532. a second through hole;

6. a wiring board;

7. a first fan;

8. a second fan;

9. and a third fan.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The utility model provides a magnetic suspension permanent magnet motor, which comprises a motor body 1, a controller assembly 2 and a power supply assembly 3, wherein a control cabinet 4 is integrated on the motor body 1, the control cabinet 4 is provided with an accommodating cavity, the controller assembly 2 and the power supply assembly 3 are accommodated in the accommodating cavity, the motor body 1 and the power supply assembly 3 are electrically connected with the controller assembly 2, an air outlet 11 is formed in one side of the motor body 1, and the control cabinet 4 is positioned at one end, far away from the air outlet 11, of the motor body 1. The magnetic suspension permanent magnet motor integrates the control cabinet 4 on the motor body 1, and then the controller assembly 2 and the power supply assembly 3 are accommodated in the control cabinet 4, compared with the prior art that the controller, the power supply box and the motor body 1 are arranged in a split manner, the magnetic suspension permanent magnet motor has high integration level and small space occupancy rate; the controller component 2 and the power supply component 3 are both arranged in the control cabinet 4, so that the problem of poor control performance of the controller component 2 caused by the space between the controller component 2 and the motor body 1 is effectively avoided, wherein the leads of the power supply component 3 are electrically connected with part of the leads of the controller component 2 to supply electric energy for the controller component 2, and the other part of the lead wires of the controller component 2 are also electrically connected with the lead wires of the motor body 1 to control the motor body 1 to work, compared with the prior art that the controller and the motor body are connected through a set of nut heads, the magnetic suspension permanent magnet motor effectively reduces the cost of the electric connection between the controller component 2 and the motor body 1, the lead of the power supply assembly 3 electrically connected to the controller assembly 2 and the lead of the controller assembly 2 electrically connected to the motor body 1 are contained in the control cabinet 4, so that the potential safety hazard problem caused by scattered lead distribution is effectively avoided; simultaneously, because the temperature of the air outlet 11 department of motor body 1 is higher, through setting up switch board 4 in the one end of keeping away from air outlet 11 on motor body 1, can effectively avoid the high-temperature gas of air outlet 11 department to transmit the heat to controller subassembly 2 and power supply module 3 to avoid causing controller subassembly 2 and power supply module 3 trouble by the high temperature, the security is high, and the practicality is strong.

As shown in fig. 1 and 2, the control cabinet 4 includes a cabinet body 41 and a sealing plate 42, the cabinet body 41 is provided with an opening, and the sealing plate 42 is detachably connected to the cabinet body 41 and can seal the opening. The cabinet body 41 is provided with the opening, so that the controller assembly 2 and the power supply assembly 3 can be conveniently assembled on the cabinet body 41, the controller assembly 2 and the power supply assembly 3 can be conveniently detached from the cabinet body 41, and the controller assembly 2 and the power supply assembly 3 can be conveniently maintained in the later period; by providing the sealing plate 42, the opening of the cabinet 41 is easily sealed, and the controller module 2 and the power module 3 are isolated from the external environment. In the present embodiment, the number of the openings and the sealing plates 42 is three, three openings form three-sided openings, and the three sealing plates 42 are disposed in one-to-one correspondence with the three openings, so as to seal the openings of the cabinet 41. In other embodiments, the number and position of the openings can be adjusted adaptively according to actual conditions.

Specifically, the closing plate 42 is screwed to the cabinet 41 by screws. Thereby realizing the detachable connection of the closing plate 42 to the cabinet 41. In other embodiments, the sealing plate 42 may be fastened to the cabinet 41, or the sealing plate 42 may be connected to the cabinet 41 by other detachable connection methods.

As shown in fig. 1 and 2, the magnetic suspension permanent magnet motor includes a partition plate assembly, the partition plate assembly includes a first partition plate 51 detachably connected to the control cabinet 4, the first partition plate 51 divides the accommodating cavity into a first cavity and a second cavity distributed along the height direction of the control cabinet 4, the first cavity is located above the second cavity, the controller assembly 2 is detachably connected to the first partition plate 51 and located in the first cavity, and the power supply assembly 3 and a part of the motor body 1 are located in the second cavity. Through setting up first baffle 51, first baffle 51 will hold the chamber and divide into first cavity and second cavity, can dismantle controller subassembly 2 and connect in first baffle 51 and be located first cavity, and motor body 1 is kept away from to controller subassembly 2 relative power supply module 3 to effectively reduce the heat transfer that motor body 1 gived off to controller subassembly 2, thereby improved controller subassembly 2's security. Wherein, the controller assembly 2 is screwed or clamped on the first partition plate 51. In other embodiments, the controller assembly 2 may be connected to the first partition 51 by bonding or welding.

Preferably, the first spacer 51 is an epoxy board. The epoxy resin board has high temperature resistance, high hardness and non-deformation characteristics, so that the first partition board 51 is used for isolating heat emitted by the motor body 1, and the heat emitted by the motor body 1 is effectively reduced and transferred to the controller component 2. In other embodiments, the first partition plate 51 may be made of other high temperature resistant and heat insulating materials.

As shown in fig. 1 to 3, the partition assembly further includes a second partition 52 and a third partition 53 detachably connected to the control cabinet 4, the second partition 52 and the third partition 53 are distributed at intervals along the length direction of the control cabinet 4 and divide the second chamber into a first portion, a second portion and a third portion, the second portion is located between the first portion and the third portion, the power supply assembly 3 is detachably connected to the second partition 52 and located in the first portion, the motor body 1 is partially located in the second portion, the magnetic levitation permanent magnet motor further includes a wiring board 6, the wiring board 6 is detachably connected to the third partition 53 and located in the third portion, and the wiring board 6 is used for connecting the motor body 1 and an external cable. The second partition plate 52 and the third partition plate 53 are distributed at intervals along the length direction of the control cabinet 4 and divide the second chamber into a first part, a second part and a third part, the power supply module 3 is detachably connected to the second partition plate 52 and located in the first part, the wiring board 6 is detachably connected to the third partition plate 53 and located in the third part, the power supply module 3 and the wiring board 6 are conveniently assembled on the cabinet body 41 of the control cabinet 4, meanwhile, later maintenance and disassembly are convenient, and the leads of the motor body, the leads of the controller module 2 and the leads of the motor body are conveniently inspected. The power supply module 3 is screwed or clamped to the first partition plate 51, and the power supply module 3 is screwed or clamped to the first partition plate 51. Alternatively, the power module 3 may be removably attached to the third partition 53 and located in the third portion, and the terminal block 6 may be removably attached to the second partition 52 and located in the first portion.

Preferably, the second spacer 52 is an epoxy board. Thereby can effectively keep apart the heat that motor body 1 gived off to guarantee power supply module 3's safety in utilization. In other embodiments, the first partition plate 51 may be made of other high temperature resistant and heat insulating materials.

Specifically, as shown in fig. 3 and 4, the third partition plate 53 is provided with a first through hole 531 and a second through hole 532, one of the first through hole 531 and the second through hole 532 being used for electrically connecting the lead wire passing through the motor body 1 to the wiring board 6, and the other being used for electrically connecting the lead wire passing through the controller assembly 2 to the motor body 1. Specifically, the wiring board 6 is also used for connecting the motor body 1 and an external cable, and the external cable is also electrically connected with an external power supply, so as to provide electric energy for the motor body 1 to work. So set up to realize the electricity of controller subassembly 2 and motor body 1 and realized motor body 1 and external power supply's electricity and be connected, for among the prior art through one set of nut head connection controller and motor body, this magnetic suspension permanent-magnet machine has effectively reduced the cost that controller subassembly 2 and motor body 1 electricity are connected, and all accepts controller subassembly 2 and motor body 1's lead wire in switch board 4, has effectively avoided the scattered potential safety hazard problem that leads wire distribution causes in disorder.

Preferably, inner walls of the first and second through holes 531 and 532 are provided with elastic cushions. Therefore, the lead wires are prevented from being scratched by the inner walls of the first through hole 531 and the second through hole 532, and the use safety of the magnetic suspension permanent magnet motor is further improved. Wherein, the elastic cushion layer can be made of rubber or sponge and other elastic materials.

Specifically, as shown in fig. 3 and 4, the bottom of the control cabinet 4 is provided with a third through hole 411, and the external cable is electrically connected to the wiring board 6 through the third through hole 411. The arrangement is such that the wiring board 6 is electrically connected with an external cable. Preferably, the inner wall of the third through hole 411 is provided with an elastic cushion. Thereby avoiding the inner wall of the third through hole 411 from scratching the external cable, and further improving the use safety of the magnetic suspension permanent magnet motor. Wherein, the elastic cushion layer can be made of rubber or sponge and other elastic materials.

As shown in fig. 1 to 4, the control cabinet 4 is provided with a first fan 7 and a first ventilation opening 412 communicated with the first chamber, and the first fan 7 and the first ventilation opening 412 are opposite and spaced. Specifically, the cabinet body 41 of the control cabinet 4 is provided with a first fan 7 and a first ventilation opening 412 communicating with the first chamber, the first fan 7 and the first ventilation opening 412 are arranged oppositely and at intervals, so that air in the first chamber can be exchanged with the outside, and therefore heat exhausted by the controller assembly 2 is effectively exhausted out of the first chamber through the first fan 7, and the temperature of the controller assembly 2 is reduced.

Preferably, the number of the first fans 7 and the first ventilation openings 412 is plural, and the plural first fans 7 and the first ventilation openings 412 are arranged in a one-to-one correspondence manner in an opposite and spaced manner. Thereby enhancing the rate of exchange of air within the first chamber with the ambient environment and thereby more efficiently removing heat from the controller assembly 2 out of the first chamber. In the present embodiment, the number of the first fans 7 and the number of the first ventilation openings 412 are each given by way of example as three.

As shown in fig. 2, the control cabinet 4 is provided with a second fan 8 and a second ventilation opening 413 communicated with the first portion, and the second fan 8 and the second ventilation opening 413 are opposite and spaced. Specifically, the cabinet body 41 of the control cabinet 4 is provided with the second fan 8 and the second ventilation opening 413 communicated with the first portion, and the second fan 8 and the second ventilation opening 413 are arranged oppositely and at intervals, so that the air in the first portion can be exchanged with the outside, and therefore, the heat discharged by the power module 3 is effectively discharged out of the first portion through the second fan 8, and the temperature of the power module 3 is reduced.

Preferably, the number of the second fans 8 and the second ventilation openings 413 is multiple, and the multiple second fans 8 and the multiple second ventilation openings 413 are arranged in a one-to-one correspondence manner in an opposite and spaced manner. Thereby enhancing the rate of exchange of air in the first section with the outside and thereby more efficiently discharging heat discharged from the power module 3 out of the first section. In the present embodiment, the number of the second fan 8 and the second ventilation port 413 is each exemplified as one.

Preferably, the first ventilation opening 412 and/or the second ventilation opening 413 are/is provided with a dust screen. Therefore, the entry of the sundries or other foreign matters into the control cabinet 4 from the first ventilation opening 412 and/or the second ventilation opening 413 is avoided, and the use safety of the magnetic suspension permanent magnet motor is further improved.

Optionally, as shown in fig. 3, a third fan 9 and a third ventilation opening 414 communicated with the third portion are disposed on the cabinet 41. This is arranged so that air in the third section can be exchanged with the outside, thereby effectively discharging heat exhausted from the lead wires and the wiring board 6 out of the third section by the third fan 9, thereby further reducing the internal temperature of the control cabinet 4.

Alternatively, as shown in fig. 3, the first partition plate 51 is provided with a fourth vent 415, and the fourth vent 415 is communicated with the first chamber and the third portion. The fourth ventilation opening 415 communicates the first chamber with the third chamber, and the third fan 9 can further accelerate the exchange of air in the third chamber and the first chamber with the outside, thereby further reducing the internal temperature of the control cabinet 4. In the present embodiment, the number of the fourth vents 415 is exemplarily given as three.

The specific structures of the motor body 1, the controller assembly 2 and the power supply assembly 3 belong to the prior art, and are not described herein again.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The magnetic suspension permanent magnet motor is characterized by comprising a motor body (1), a controller assembly (2) and a power supply assembly (3), wherein the motor body (1) is integrated with a control cabinet (4), the control cabinet (4) is provided with a containing cavity, the controller assembly (2) and the power supply assembly (3) are both contained in the containing cavity, the motor body (1) and the power supply assembly (3) are both electrically connected with the controller assembly (2), an air outlet (11) is formed in one side of the motor body (1), and the control cabinet (4) is located at one end, far away from the air outlet (11), of the motor body (1).

2. A magnetically levitated permanent magnet motor according to claim 1, characterized in that it comprises a partition assembly comprising a first partition (51) detachably connected to the control cabinet (4), the first partition (51) dividing the housing chamber into a first chamber and a second chamber distributed along the height of the control cabinet (4), the first chamber being located above the second chamber, the controller assembly (2) being detachably connected to the first partition (51) and located in the first chamber, and the power supply assembly (3) and part of the motor body (1) being located in the second chamber.

3. The magnetically levitated permanent magnet motor of claim 2, further comprising a second partition (52) and a third partition (53) detachably connected to the control cabinet (4), wherein the second partition (52) and the third partition (53) are spaced apart along a length of the control cabinet (4) and divide the second chamber into a first portion, a second portion and a third portion, wherein the second portion is located between the first portion and the third portion, wherein the power module (3) is detachably connected to the second partition (52) and located in the first portion, wherein the motor body (1) is partially located in the second portion, wherein the magnetically levitated permanent magnet motor further comprises a terminal block (6), wherein the terminal block (6) is detachably connected to the third partition (53) and located in the third portion, the wiring board (6) is used for connecting the motor body (1) and an external cable.

4. A magnetically suspended permanent magnet motor according to claim 3, characterized in that the third partition (53) is provided with a first through hole (531) and a second through hole (532), one of the first through hole (531) and the second through hole (532) being used for electrical connection of a lead wire passing through the motor body (1) to the terminal plate (6) and the other being used for electrical connection of a lead wire passing through the controller assembly (2) to the motor body (1).

5. A magnetically suspended permanent magnet motor according to claim 3, characterized in that the bottom of the control cabinet (4) is provided with a third through hole (411), and the external cable is electrically connected with the wiring board (6) through the third through hole (411).

6. A maglev permanent-magnet motor according to claim 3, characterized in that the control cabinet (4) is provided with a first fan (7) and a first ventilation opening (412) communicated with the first chamber, and the first fan (7) and the first ventilation opening (412) are arranged oppositely and at intervals.

7. The magnetic suspension permanent magnet motor according to claim 6, characterized in that the control cabinet (4) is provided with a second fan (8) and a second ventilation opening (413) communicated with the first portion, and the second fan (8) and the second ventilation opening (413) are arranged oppositely and at intervals.

8. The maglev permanent-magnet machine according to claim 7, characterized in that a dust screen is provided at each of the first ventilation opening (412) and/or the second ventilation opening (413).

9. The maglev permanent-magnet motor according to claim 1, characterized in that the control cabinet (4) comprises a cabinet body (41) and a sealing plate (42), wherein the cabinet body (41) is provided with an opening, and the sealing plate (42) is detachably connected to the cabinet body (41) and can seal the opening.

10. A magnetically suspended permanent magnet machine according to claim 2, characterized in that the first spacer (51) is an epoxy board.

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