CN113675988A - Stable low-noise permanent magnet motor - Google Patents
Stable low-noise permanent magnet motor Download PDFInfo
- Publication number
- CN113675988A CN113675988A CN202110888525.3A CN202110888525A CN113675988A CN 113675988 A CN113675988 A CN 113675988A CN 202110888525 A CN202110888525 A CN 202110888525A CN 113675988 A CN113675988 A CN 113675988A
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- CN
- China
- Prior art keywords
- motor body
- fixing
- piece
- clamping
- permanent magnet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
Abstract
The invention relates to the technical field of motors, in particular to a stable low-noise permanent magnet motor which comprises a motor body, wherein the motor body is arranged in an installation box, a side plate of the installation box along the length direction of the motor body is provided with a communicating hole, the side surface of the motor body is provided with a plurality of radiating fins, sound absorbing pieces are filled between the adjacent radiating fins, and the plurality of radiating fins are matched with a fan assembly arranged on a rotating shaft of the motor body to cool the motor body; the fixing assembly is arranged in the installation box and used for fixing the motor body, and comprises a fixing piece and a clamping piece which is elastically connected with the fixing piece, wherein the fixing piece and the clamping piece are both arranged on the damping platform, the motor body is slidably arranged on the damping platform through the mounting piece, and the clamping piece is used for clamping the mounting piece.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a stable low-noise permanent magnet motor.
Background
The permanent magnet motor uses the permanent magnet to provide excitation, has the advantages of simple structure, low processing and assembly cost and the like, omits a collecting ring and an electric brush which are easy to cause problems, improves the running reliability of the motor, simultaneously does not need excitation current, does not have excitation loss, and improves the efficiency and the power density of the motor.
When present permanent-magnet machine is using, carry out vibration/noise reduction through increase the rubber gasket of shock attenuation in its hookup location, but because the rubber gasket loses elasticity easily after long-time the use, can't realize reducing the ability of vibrations noise reduction.
Disclosure of Invention
The invention aims to provide a stable low-noise permanent magnet motor, which aims to solve the problem that the damping and noise reduction functions of the permanent magnet motor cannot be continuously completed after a rubber pad arranged at the installation position of the permanent magnet motor is aged at present, so that the normal work of the permanent magnet motor is influenced.
In order to achieve the above object, the present invention provides a stable low-noise permanent magnet motor, which includes a motor body and:
the motor body is arranged in the installation box, a communicating hole for gas exchange is formed in a side plate of the installation box along the length direction of the motor body, a plurality of radiating fins are arranged on the side surface of the motor body, sound absorbing pieces are filled between the adjacent radiating fins, and the plurality of radiating fins are matched with a fan assembly arranged on a rotating shaft of the motor body to cool the motor body;
the fixing assembly is used for fixing the motor body and comprises a fixing piece and a clamping piece, the fixing piece is elastically connected with the clamping piece, the fixing piece and the clamping piece are both installed on the damping platform, the motor body is installed on the damping platform through an installation piece in a sliding mode, and the clamping piece is used for clamping the installation piece.
As a further scheme of the invention: the communicating hole is of a bent structure and is used for weakening noise transmitted in the communicating hole.
As a further scheme of the invention: and a dustproof net is detachably arranged on the outer side of the communicating hole.
As a further scheme of the invention: the damping platform is elastically connected in the installation box.
As a further scheme of the invention: the installed part is a mounting seat, and the mounting seat is connected to the damping platform in a sliding mode.
As a further scheme of the invention: the mounting is the fixing base, the holder is the grip block, fixing base fixed mounting is on shock attenuation platform, grip block sliding connection is on shock attenuation platform, be connected through the elastic component between fixing base and the grip block, be equipped with soft bed course between grip block and the installed part, soft bed course and mount pad contact side are equipped with a plurality of archs.
As a further scheme of the invention: still be equipped with the extensible member between grip block and the fixing base, the extensible member is used for spacing the slip of grip block.
According to the invention, the transverse vibration of the motor body is absorbed through the expansion of the elastic part in the fixing assembly and the bulge collapse of the contact side of the clamping plate and the mounting seat, and meanwhile, the longitudinal vibration of the motor body is absorbed through the arrangement of the damping platform, so that the running stability of the device is improved;
meanwhile, the motor body is provided with a sound absorbing piece which is matched with the communication hole of the bending structure to perform noise reduction treatment on the motor body;
further set up the fin on motor body, cooperation fan unit spare improves motor body's heat dissipation, avoids the sound sponge that inhales that sets up on motor body to influence its heat dissipation, has solved the ageing back of the rubber pad of setting in permanent-magnet machine installation department at present, can't continue to accomplish permanent-magnet machine's vibration/noise reduction function's problem, influences permanent-magnet machine normal work.
Drawings
Fig. 1 is a schematic structural diagram of a stable low-noise permanent magnet motor according to an embodiment of the present invention.
Fig. 2 is a sectional view of a motor body according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a communication hole provided in an embodiment of the present invention.
Fig. 4 is a schematic connection diagram of the clamping plate and the fixing base according to an embodiment of the present invention.
In the figure: 1. installing a box; 2. a shock absorbing platform; 3. a connecting seat; 4. a dust screen; 5. a communicating hole; 6. a motor body; 7. sound-absorbing sponge; 8. a heat sink; 9. a rotating shaft; 10. a fan assembly; 11. a fixing assembly; 111. a fixed seat; 112. a telescopic rod; 113. a spring; 114. a clamping plate; 115. a protrusion; 12. an output shaft; 13. and (7) mounting a seat.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
As shown in fig. 1 and 2, in the embodiment of the present invention, a stable low-noise permanent magnet motor includes a motor body 6, a mounting box 1, and a fixing assembly 11, wherein the motor body 6 is mounted in the mounting box 1, an output shaft 12 of the motor body 6 extends out of the mounting box 1, a communication hole 5 for gas exchange is formed in a side plate of the mounting box 1 along a length direction of the motor body 6, the mounting box 1 is fixed at a mounting position by a plurality of connecting seats 3 disposed at an outer side, a plurality of heat dissipation fins 8 are disposed on a side surface of the motor body 6, a sound absorbing member is filled between adjacent heat dissipation fins 8, the plurality of heat dissipation fins 8 are matched with a fan assembly 10 mounted on a rotating shaft 9 of the motor body 6 to cool the motor body 6, the fixing assembly 11 is used for fixing the motor body 6 and includes a fixing member and a clamping member, the fixing member is elastically connected with the clamping member, mounting and holder are all installed on shock attenuation platform 2, motor body 6 passes through installed part slidable mounting on shock attenuation platform 2, the holder is used for the installed part centre gripping.
When the motor is used, the sealing cover on the installation box 1 is opened, the motor body 6 is placed into the installation box 1 and fixed on the installation piece, and the installation piece is fixed by abutting the clamping piece and the installation piece, so that the motor body 6 is prevented from vibrating in the rotation process and the stability of the motor during working is prevented from being influenced;
when the motor body 6 rotates to work, the fan assembly 10 arranged on the rotating shaft 9 on one side of the motor body 6 is driven to rotate, the radiating fins 8 arranged on the side face of the motor body 6 are cooled, the communicating holes 5 arranged on the side plates are matched to form a straight air channel to carry out gas communication with the outside, and meanwhile, the sound absorbing piece on the motor body 6 absorbs noise emitted by the motor and reduces the noise;
the sound absorbing piece is arranged on the side face of the motor body 6 and is not beneficial to heat dissipation of the motor body 6, in the actual design, the heat dissipation efficiency of the heat dissipation fins 8 is considered, the heat dissipation fins 8 with corresponding specifications are selected, the problem that the normal work of the motor body 6 is influenced due to the fact that the heat dissipation capacity of the heat dissipation fins 8 is weak and the temperature of the motor body 6 is high due to the fact that the heat dissipation capacity of the heat dissipation fins 8 is weak is avoided, the tail ends of the heat dissipation fins 8 are not extended, in the actual design, other shapes can be selected for the tail ends of the heat dissipation fins 8 to increase the heat exchange area, and the heat dissipation efficiency of the heat dissipation fins 8 is improved.
As shown in fig. 3, in the embodiment of the present invention, the communication hole 5 has a curved structure, so as to reduce noise transmitted in the communication hole 5, and compared with the communication hole 5 having a straight structure, the communication hole 5 having a curved structure can prevent noise from being transmitted to the outside of the installation box 1, thereby assisting in noise reduction;
meanwhile, the dustproof net 4 is detachably mounted on the outer side of the communication hole 5, the dustproof net 4 is arranged at the air inlet communication hole 5 of the mounting box 1, the dustproof net 4 is not arranged at the air exhaust communication hole 5, when the motor body 6 does not work, the communication hole 5 with a bent structure can prevent dust from entering the mounting box 1 through the air exhaust communication hole 5, when the motor body 6 starts to work, air flows to blow out dust falling into the air exhaust communication hole 5, the cleanness in the mounting box 1 is kept, meanwhile, the bending degree of the communication hole 5 is designed reasonably in practice, and the dustproof and ventilation effects are prevented from being influenced due to the fact that the bending degree is too large or too small.
As shown in fig. 1, in the embodiment of the present invention, the damping platform 2 is elastically connected in the installation box 1, a plurality of supporting pads are disposed between the damping platform 2 and the installation box 1, and the supporting pads have a certain elastic force to absorb longitudinal vibration of the motor body 6 while ensuring the supporting strength.
As shown in fig. 1 to 4, in the embodiment of the present invention, the mounting member is a mounting seat 13, the mounting seat 13 is slidably connected in a sliding groove formed on the damping platform 2, the number of the mounting seats 13 in the present invention is two, the two mounting seats are respectively arranged on two sides of the motor body 6 and are used for supporting the motor body 6, and meanwhile, the mounting seat 13 is designed to have a hollow structure in the middle to prevent the mounting seat 13 from obstructing heat exchange airflow for heat exchange;
further supplement above-mentioned embodiment simultaneously, the mounting is fixing base 111, the holder is grip block 114, fixing base 111 fixed mounting is on shock attenuation platform 2, grip block 114 sliding connection is on shock attenuation platform 2, be connected through the elastic component between fixing base 111 and the grip block 114, the elastic component is spring 113, be equipped with soft bed course between grip block 114 and the installed part, soft bed course and mount block 13 contact side are equipped with a plurality of archs 115, when grip block 114 carries out the centre gripping, through the extension of spring 113 for keep the butt between grip block 114 and the mount block 13, for the state of collapsing through arch 115, can absorb the vibrations of motor body 6, improve the stability when motor body 6 moves.
As shown in fig. 4, in the embodiment of the present invention, an expansion member is further disposed between the clamping plate 114 and the clamping plate, the expansion member is an expansion rod 112, the expansion rod 112 limits the sliding of the clamping plate 114, and simultaneously the clamping plate 114 is driven to move to the clamping position to be in contact with the mounting base 13.
Compared with the prior art, the fixing component 11 is designed, through the expansion and contraction of the spring 113 in the fixing component 11 and the collapse of the bulge 115 at the contact side of the clamping plate 114 and the mounting seat 13, the transverse vibration of the motor body 6 is absorbed, meanwhile, the longitudinal vibration of the motor body 6 is absorbed by arranging the damping platform 2, the running stability of the device is improved, meanwhile, the sound-absorbing sponge 7 is arranged on the motor body 6 and matched with the communication hole 5 with a bending structure, the noise reduction treatment is carried out on the motor body 6, the radiating fins 8 are further arranged on the motor body 6 and are matched with the fan assembly 10 to improve the heat radiation of the motor body 6, the sound-absorbing sponge 7 arranged on the motor body 6 is prevented from influencing the heat radiation, the problem that after the rubber pad arranged at the installation position of the permanent magnet motor at present is aged is solved, the problem that the damping and noise reduction functions of the permanent magnet motor cannot be continuously completed influences the normal work of the permanent magnet motor.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 by those of ordinary skill in the art through specific situations.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. The utility model provides a stable form low noise permanent-magnet machine, includes motor body, its characterized in that still includes:
the motor body is arranged in the installation box, a communicating hole for gas exchange is formed in a side plate of the installation box along the length direction of the motor body, a plurality of radiating fins are arranged on the side surface of the motor body, sound absorbing pieces are filled between the adjacent radiating fins, and the plurality of radiating fins are matched with a fan assembly arranged on a rotating shaft of the motor body to cool the motor body;
the fixing assembly is used for fixing the motor body and comprises a fixing piece and a clamping piece, the fixing piece is elastically connected with the clamping piece, the fixing piece and the clamping piece are both installed on the damping platform, the motor body is installed on the damping platform through an installation piece in a sliding mode, and the clamping piece is used for clamping and fixing the installation piece.
2. A stabilized, low-noise permanent magnet motor according to claim 1, wherein said communication holes are of a bent configuration for attenuating noise transmitted through the communication holes.
3. A stabilized low-noise permanent-magnet machine according to claim 1, wherein a dust screen is detachably mounted outside said communication hole.
4. A stabilized, low-noise permanent magnet electric machine according to claim 1, wherein said shock absorbing platform is resiliently attached within a mounting box.
5. A stabilized low noise permanent magnet machine according to any of claims 1-4, wherein said mounting member is a mounting block, said mounting block being slidably attached to the damping platform.
6. The stable low-noise permanent magnet motor according to claim 5, wherein the fixing member is a fixing base, the clamping member is a clamping plate, the fixing base is fixedly mounted on the damping platform, the clamping plate is slidably connected to the damping platform, the fixing base is connected to the clamping plate through an elastic member, a soft cushion layer is arranged between the clamping plate and the mounting base, and a plurality of protrusions are arranged on a contact side of the soft cushion layer and the mounting member.
7. The stable, low-noise permanent magnet motor of claim 6, wherein an expansion member is further disposed between the clamping plate and the fixing base, and the expansion member is used to limit the sliding of the clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110888525.3A CN113675988A (en) | 2021-08-04 | 2021-08-04 | Stable low-noise permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110888525.3A CN113675988A (en) | 2021-08-04 | 2021-08-04 | Stable low-noise permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113675988A true CN113675988A (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110888525.3A Pending CN113675988A (en) | 2021-08-04 | 2021-08-04 | Stable low-noise permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113675988A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157085A (en) * | 2022-01-25 | 2022-03-08 | 湖南龙德晟机电科技有限公司 | High-stability noise-reduction motor |
| CN114421691A (en) * | 2021-12-06 | 2022-04-29 | 江苏航天动力机电有限公司 | Permanent magnet motor with multidirectional linkage adjusting heat dissipation and shock absorption mechanism |
-
2021
- 2021-08-04 CN CN202110888525.3A patent/CN113675988A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114421691A (en) * | 2021-12-06 | 2022-04-29 | 江苏航天动力机电有限公司 | Permanent magnet motor with multidirectional linkage adjusting heat dissipation and shock absorption mechanism |
| CN114157085A (en) * | 2022-01-25 | 2022-03-08 | 湖南龙德晟机电科技有限公司 | High-stability noise-reduction motor |
| CN114157085B (en) * | 2022-01-25 | 2022-11-18 | 湖南龙德晟机电科技有限公司 | High-stability noise-reduction motor |
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