CN111953143A - Anti-interference structure for permanent magnet synchronous motor - Google Patents
Anti-interference structure for permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN111953143A CN111953143A CN202010802112.4A CN202010802112A CN111953143A CN 111953143 A CN111953143 A CN 111953143A CN 202010802112 A CN202010802112 A CN 202010802112A CN 111953143 A CN111953143 A CN 111953143A
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- Prior art keywords
- interference
- cover
- fixing base
- motor body
- fixedly connected
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- Pending
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 4
- 238000005034 decoration Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- AHADSRNLHOHMQK-UHFFFAOYSA-N methylidenecopper Chemical compound [Cu].[C] AHADSRNLHOHMQK-UHFFFAOYSA-N 0.000 description 1
- 229910021392 nanocarbon Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/02—Casings or enclosures characterised by the material thereof
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to an anti-interference structure for a permanent magnet synchronous motor, which comprises a motor body, a fixed seat and an anti-interference cover, wherein two sides of the anti-interference cover are opened, a connecting plate is fixedly connected at the opening position of one side of the anti-interference cover, which is close to the fixed seat, a cover plate is detachably connected at the opening position of one side of the anti-interference cover, which is far away from the fixed seat, a motor body is arranged in the anti-interference cover, the fixed seat comprises a vertical plate connected with the anti-interference cover, a heat dissipation hole is formed in the middle of the vertical plate, a heat dissipation fan is fixedly connected in the heat dissipation hole, the motor body is connected with a rotating shaft, and the middle of the rotating shaft is connected with the heat dissipation fan. Has better application and popularization values.
Description
Technical Field
The invention relates to the technical field of motors, in particular to an anti-interference structure for a permanent magnet synchronous motor.
Background
The permanent magnet motor is a special motor which is established by a permanent magnet to form an excitation magnetic field, utilizes magnetic attraction to pull a rotor to rotate, has no excitation current, high power density, reliable operation, small volume and light weight, and can meet specific operation requirements, so the permanent magnet motor has extremely wide application range and almost extends to various fields of aerospace, national defense, industrial and agricultural production and daily life. Under a complex working environment, the electromagnetism emitted by the motor can interfere with the normal operation and use effect of other equipment or systems, the electromagnetism emitted by other electrical appliances can also interfere with the normal use of the motor, and the current permanent magnet motor has low anti-interference performance, so that various components in the working environment are easy to break down, and further improvement is needed.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects in the prior art and provide an anti-interference structure for a permanent magnet synchronous motor.
The invention is realized by the following technical scheme:
the utility model provides an anti-interference structure for PMSM, its characterized in that, includes motor body, fixing base and the anti-interference cover that links to each other with the fixing base, anti-interference cover both sides opening, anti-interference cover are close to fixing base one side open position rigid coupling and have the connecting plate, the connecting plate passes through fixing bolt and fixing base one side rigid coupling, the open position that fixing base one side was kept away from to anti-interference cover can be dismantled and be connected with the apron, installs motor body in the anti-interference cover, the fixing base includes the riser that is connected with anti-interference cover, open at the riser middle part has the louvre, the rigid coupling has radiator fan in the louvre, motor body is connected.
According to the above technical scheme, preferably, a positioning ring is fixedly connected to one side, close to the vertical plate, of the inside of the anti-interference cover, the positioning ring is fixedly connected with the motor body through a fixing bolt, and the motor body is tightly abutted between the positioning ring and the cover plate.
According to the above technical scheme, preferably, the middle part of the cooling fan is provided with an installation shaft sleeve, the inner wall of the installation shaft sleeve is provided with a positioning groove, and the position of the outer wall of the rotating shaft, which is opposite to the cooling fan, is provided with a positioning key matched with the positioning groove in shape.
According to the above technical solution, preferably, the fixing base further includes a bottom plate fixedly connected to the lower end of the side wall of the vertical plate, two side plates fixedly connected to the upper surface of the bottom plate, and a supporting block fixedly connected between the two side plates.
The invention has the beneficial effects that:
the anti-interference cover is arranged outside the permanent magnet motor, so that the electromagnetic interference generated by the motor and the external electromagnetic interference close to the motor are absorbed, the electromagnetic shielding performance is good, the influence of external electromagnetic interference on the operation of the motor is reduced, the service life of the permanent magnet motor can be effectively prolonged, and the application and popularization values are good.
Drawings
FIG. 1 is a side view of the present invention.
Fig. 2 is a schematic top view of the fixing base of the present invention.
Fig. 3 is a schematic front view of the vertical plate and the heat dissipation fan of the present invention.
In the figure: 1. a support block; 2. a side plate; 3. a rotating shaft; 4. a vertical plate; 5. a heat radiation fan; 6. a connecting plate; 7. an anti-interference cover; 8. a cover plate; 9. a motor body; 10. a positioning ring; 11. and (6) positioning a groove.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figure, the invention comprises a motor body 9, a fixed seat and an anti-interference cover 7 connected with the fixed seat, the anti-interference cover 7 in the embodiment is made of a metal mesh with a high-efficiency nano carbon copper heat dissipation shielding film arranged on the surface, openings are arranged at two sides of the anti-interference cover 7, a connecting plate 6 is fixedly connected at the opening position of one side of the anti-interference cover 7 close to the fixed seat, the connecting plate 6 is fixedly connected with one side of the fixed seat through a fixing bolt, the opening position of one side of the anti-interference cover 7, which is far away from the fixed seat, is detachably connected with a cover plate 8, a motor body 9 is arranged in the anti-interference cover 7, the fixed seat comprises a vertical plate 4 connected with the anti-interference cover 7, the middle part of the vertical plate 4 is provided with a heat dissipation hole, the built-in rigid coupling of radiating hole has radiator fan 5, motor body 9 is connected with pivot 3, 3 middle parts of pivot link to each other with radiator fan 5, and radiator fan 5's setting can effectively deal with the heat dissipation problem that increases anti-interference cover 7 outside motor body 9.
According to the above embodiment, preferably, a positioning ring 10 is fixedly connected to one side of the inside of the anti-interference cover 7, which is close to the vertical plate 4, the positioning ring 10 is fixedly connected to the motor body 9 through a fixing bolt, and the motor body 9 is tightly abutted between the positioning ring 10 and the cover plate 8. The cover plate 8 is connected with the anti-interference cover 7 through the fixing bolt, the motor body 9 is fixed in the anti-interference cover 7 through the positioning ring 10, and the motor body 9 is abutted against the inner wall of the anti-interference cover 7 at the moment, so that the installation stability of the permanent magnet motor is ensured.
According to the above embodiment, preferably, the middle of the heat dissipation fan 5 is provided with a mounting shaft sleeve, the inner wall of the mounting shaft sleeve is provided with a positioning groove 11, and the outer wall of the rotating shaft 3 is provided with a positioning key matched with the positioning groove 11 in shape at a position corresponding to the heat dissipation fan 5. Install motor body 9 back on the fixing base, the navigation key of pivot 3 is connected with radiator fan 5's installation axle sleeve, when motor operation in-process, can drive radiator fan 5 and rotate, can effectively deal with the heat dissipation problem that increases anti-interference cover 7 outside motor body 9.
According to the above embodiment, preferably, the fixing base further includes a bottom plate fixedly connected to the lower end of the side wall of the vertical plate 4, two side plates 2 fixedly connected to the upper surface of the bottom plate, and a supporting block 1 fixedly connected between the two side plates 2. In the in-service use process, install the fixing base on the equipment that uses, the main shaft in pivot 3 passes through shaft coupling and equipment links to each other, and the hookup location of shaft coupling is between both sides board 2, and the main shaft of equipment lies in motor shaft 3 and runs through supporting shoe 1 setting after connecting, and each structure interconnect in the fixing base can provide effective support to permanent-magnet machine, plays the reinforcing effect.
The anti-interference cover 7 is arranged outside the permanent magnet motor, so that electromagnetism emitted by the motor and electromagnetism outside the motor and close to the motor are absorbed, good electromagnetic shielding performance is achieved, influence of external electromagnetic interference on operation of the motor is reduced, the service life of the permanent magnet motor can be effectively prolonged, and the anti-interference permanent magnet motor has good application and popularization values.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides an anti-interference structure for PMSM, its characterized in that, includes motor body, fixing base and the anti-interference cover that links to each other with the fixing base, anti-interference cover both sides opening, anti-interference cover are close to fixing base one side open position rigid coupling and have the connecting plate, the connecting plate passes through fixing bolt and fixing base one side rigid coupling, the open position that fixing base one side was kept away from to anti-interference cover can be dismantled and be connected with the apron, installs motor body in the anti-interference cover, the fixing base includes the riser that is connected with anti-interference cover, open at the riser middle part has the louvre, the rigid coupling has radiator fan in the louvre, motor body is connected.
2. The anti-interference structure for the permanent magnet synchronous motor according to claim 1, wherein a positioning ring is fixedly connected to a side of the interior of the anti-interference cover, which is close to the vertical plate, the positioning ring is fixedly connected to the motor body through a fixing bolt, and the motor body is tightly abutted between the positioning ring and the cover plate.
3. The anti-interference structure for the permanent magnet synchronous motor according to claim 1, wherein a mounting bushing is disposed in the middle of the cooling fan, a positioning groove is formed in an inner wall of the mounting bushing, and a positioning key having a shape matched with the positioning groove is disposed on an outer wall of the rotating shaft at a position corresponding to the cooling fan.
4. The structure of any one of claims 1 to 3, wherein the fixing base further includes a bottom plate fixedly connected to the lower end of the side wall of the vertical plate, two side plates fixedly connected to the upper surface of the bottom plate, and a supporting block fixedly connected between the two side plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010802112.4A CN111953143A (en) | 2020-08-11 | 2020-08-11 | Anti-interference structure for permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010802112.4A CN111953143A (en) | 2020-08-11 | 2020-08-11 | Anti-interference structure for permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111953143A true CN111953143A (en) | 2020-11-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010802112.4A Pending CN111953143A (en) | 2020-08-11 | 2020-08-11 | Anti-interference structure for permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111953143A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884780A (en) * | 2021-06-22 | 2022-01-04 | 杭州电子科技大学 | Electromagnetic heat dissipation detection cover capable of reducing environmental interference |
-
2020
- 2020-08-11 CN CN202010802112.4A patent/CN111953143A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884780A (en) * | 2021-06-22 | 2022-01-04 | 杭州电子科技大学 | Electromagnetic heat dissipation detection cover capable of reducing environmental interference |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201117 |
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| WD01 | Invention patent application deemed withdrawn after publication |