CN216721151U - Air-cooled magnetic coupler - Google Patents
Air-cooled magnetic coupler Download PDFInfo
- Publication number
- CN216721151U CN216721151U CN202122856809.2U CN202122856809U CN216721151U CN 216721151 U CN216721151 U CN 216721151U CN 202122856809 U CN202122856809 U CN 202122856809U CN 216721151 U CN216721151 U CN 216721151U
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- Prior art keywords
- disc
- permanent magnet
- fan
- air
- holes
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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.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 claims abstract description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052802 copper Inorganic materials 0.000 claims abstract description 15
- 239000010949 copper Substances 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model discloses an air-cooled magnetic coupler, which comprises an input shaft and an output shaft, wherein an external fan, a male hole type magnetic conductive disc, a permanent magnet installation disc, a copper disc and a magnetic conductive disc are sequentially connected between the input shaft and the output shaft, the external fan is fixed on the input shaft through a fixing piece, the permanent magnet installation disc comprises an installation disc body, an even number of permanent magnet installation grooves not less than 2 are uniformly arranged on the side surface of one side of the installation disc body opposite to the output shaft along the circumferential direction, fan-shaped through holes uniformly distributed in an annular shape along the circumferential direction are arranged between adjacent parts of each permanent magnet installation groove, built-in fan blades are embedded into the bottoms of the fan-shaped through holes, the male hole type magnetic conductive disc is fixedly connected with the permanent magnet installation disc, the magnetic conductive disc is fixed on the output shaft, and the magnetic conductive disc is fixedly connected with the copper disc; the utility model increases the gas volume of the heat exchange between the permanent magnet and the air, ensures that the heat convection exchange between the permanent magnet mounting disc and the air is more sufficient, and improves the temperature rise phenomenon of the magnetic coupler.
Description
Technical Field
The utility model relates to the technical field of magnetic coupler equipment, in particular to an air-cooled magnetic coupler.
Background
The magnetic coupler can realize non-contact connection to transmit torque, so that the magnetic coupler has the advantages of no maintenance, high efficiency, energy conservation, stability, reliability, overload protection and the like on different load devices with different characteristics.
In the transmission process of magnetic coupling, because of magnetic induction drive, eddy current loss can occur on a copper disc and a large amount of heat can be generated, so that the temperature of a permanent magnet material in the device is increased through heat transfer modes of heat conduction, heat convection and heat radiation, the device enters a high-temperature environment, the permanent magnet on the magnetic disc in the magnetic coupling cannot normally operate due to irreversible demagnetization caused by high temperature, and the heat dissipation of the device is particularly important.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to an air-cooled magnetic coupler to solve the above problems.
In order to achieve the purpose, the utility model is realized by the following technical means:
an air-cooled magnetic coupler comprises an input shaft and an output shaft, wherein an external fan, a male punch type magnetic conduction disc, a permanent magnet installation disc, a copper disc and a magnetic conduction disc are sequentially connected between the input shaft and the output shaft, the external fan is fixed on the input shaft through a fixing piece, the permanent magnet installation disc comprises an installation disc body, an even number of permanent magnet installation grooves which are not less than 2 are uniformly arranged on the side surface of one side, opposite to the output shaft, of the installation disc body along the circumferential direction, fan-shaped through holes which are uniformly distributed in an annular mode along the circumferential direction are arranged between adjacent positions of the permanent magnet installation grooves, built-in fan blades are embedded into the bottoms of the fan-shaped through holes, the male punch type magnetic conduction disc is fixedly connected with the permanent magnet installation disc, the magnetic conduction disc is fixed on the output shaft, and the magnetic conduction disc is fixedly connected with the copper disc.
Furthermore, the punch hole type magnetic conduction disc is provided with even groups of punch holes which are not less than 2 and are uniformly distributed in an annular shape along the circumferential direction, each group of the punch holes correspond to the fan-shaped through holes in the permanent magnet installation disc one by one, when air flows through the punch holes, the flowing speed of the air flow is accelerated along with the reduction of the sectional area of the holes, and the heat of the permanent magnet is taken away by the air flow, and the heat transfer of the copper disc to the permanent magnet disc is blocked.
Furthermore, permanent magnets with opposite polarities are respectively installed in the permanent magnet installation grooves which are uniformly arranged along the circumference, and the permanent magnets are uniformly installed in the permanent magnet installation grooves along the circumference in a manner that the adjacent polarities are opposite.
Further, the number of the blades of the external fan is 10, and the thickness of each blade is 1 mm.
Furthermore, each group of convex die holes are uniformly arranged in two rows of eight holes along the circumferential direction on the convex die hole type magnetic conductive disc, and correspond to the fan-shaped through holes on the permanent magnet mounting disc in position, and the number of the convex die holes is even.
Further, an air gap distance is formed between the permanent magnet mounting disc and the copper disc, the size of the air gap distance can be adjusted according to working condition requirements in practical application, and the air gap distance can be larger than or equal to 2 mm. When the magnetic coupler works and operates, the conductor rotor is driven to rotate by the rotation of the permanent magnet rotor, the volume of heat exchange gas is increased by the fan-shaped through holes in the permanent magnet mounting disc, the flow speed of the airflow is increased by the built-in fan blades, the male die hole type magnetic conduction disc and the external fan, the heat transfer process of the conductor rotor to the permanent magnet due to heat generated by eddy current is hindered while the volume of the heat exchange gas is increased, the temperature rise condition of parts of the magnetic coupler is improved, and the safety and the stability of the parts of the magnetic coupler are improved.
In the utility model, an external fan is fixed on an input shaft through a set screw, airflow is continuously conveyed to a male die hole in the rotating process, the air flowing speed is accelerated, the input shaft is fixedly connected with the external fan, a male die hole type magnetic conduction disc is fixedly connected with a permanent magnet mounting disc, and the permanent magnet mounting disc is fixedly connected with an internal fan blade respectively, the permanent magnet rotor part is formed by all the parts together to be used as a power input part, the input shaft is connected with a source motor or other rotary power sources, the copper disc is fixedly connected with the magnetic conduction disc, the magnetic conduction disc is fixedly connected with an output shaft respectively to form a conductor rotor part together to be used as a power output part, and the output shaft is connected with a load.
Compared with the prior art, the utility model has the following beneficial effects:
the structure of the permanent magnet mounting disc is improved, the volume of gas for heat exchange between the permanent magnet and air is increased through the fan-shaped through holes and the fan blades, so that the speed of air flow passing through the permanent magnet is increased, the heat convection exchange between the permanent magnet mounting disc and the air is more sufficient, the heat of the permanent magnet is taken away through the air flow, the flowing speed of the air flow can be accelerated by the punch hole type magnetic conduction disc and the external fan in the working process, the heat transfer of the copper disc to the permanent magnet is effectively blocked, and the purpose of effectively improving the temperature rise phenomenon of the magnetic coupler is achieved.
Description of the drawings:
FIG. 1 is a schematic structural diagram of a product of the present invention;
FIG. 2 is a schematic structural view of a permanent magnet mounting plate of a partial structure of the product of the utility model;
FIG. 3 is a schematic structural view of a punch type magnetic conductive disk of a partial structure of the product of the present invention;
fig. 4 is a schematic structural view of an external fan with a partial structure according to the present invention.
The specific implementation mode is as follows:
in order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention is further described below with reference to the following examples:
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The utility model relates to a method for preparing a composite material, which comprises the following steps: see the drawings.
In this embodiment, an air-cooled magnetic coupler includes an input shaft 1 and an output shaft 8, an external fan 2, a male hole-type magnetic conductive disk 3, a permanent magnet mounting disk 4, a copper disk 6, and a magnetic conductive disk 7 are sequentially connected between the input shaft 1 and the output shaft 8, the external fan 2 is fixed on the input shaft 1 through a fixing member, the permanent magnet mounting disk 4 includes a mounting disk body 41, an even number of permanent magnet mounting slots 42 not less than 2 are uniformly arranged along a circumferential direction on a side surface of the mounting disk body 41 opposite to the output shaft 8, a sector through hole 43 uniformly distributed in an annular shape along the circumferential direction is arranged between adjacent portions of each permanent magnet mounting slot 42, a built-in fan blade 5 is embedded in a bottom of each sector through hole 43, the male hole-type magnetic conductive disk 3 is fixedly connected with the permanent magnet mounting disk 4, and the magnetic conductive disk 7 is fixed on the output shaft 8, and the magnetic conductive disc 7 is fixedly connected with the copper disc 6.
Further, the punch hole type magnetic conductive disc 3 is uniformly distributed with even groups of punch holes 31 not less than 2 in an annular shape along the circumferential direction, each group of punch holes 31 corresponds to the fan-shaped through holes 43 on the permanent magnet mounting disc 4 one by one, when air flows pass through the punch holes, the flowing speed of the air flows is accelerated along with the reduction of the cross section area of the holes, and the heat transfer of the permanent magnet disc by the copper disc is blocked while the heat of the permanent magnet is taken away by the air flows.
Further, permanent magnets with opposite polarities are respectively installed in the permanent magnet installation grooves 42 which are uniformly arranged along the circumference, and the permanent magnets are uniformly installed in the permanent magnet installation grooves 42 along the circumference in a manner of adjacent polarities being opposite.
Further, the number of the blades of the external fan 2 is 10, and the thickness of each blade is 1 mm.
Furthermore, the convex die holes 31 of each group on the convex die hole type magnetic conductive disk 3 are two rows of eight holes which are uniformly arranged along the circumferential direction, correspond to the fan-shaped through holes 43 on the permanent magnet installation disk 4 in position, and are even in number.
Further, an air gap distance is formed between the permanent magnet mounting disc 4 and the copper disc 6, the size of the air gap distance can be adjusted according to working condition requirements in practical application, and the air gap distance can be larger than or equal to 2 mm. When the magnetic coupler works and operates, the conductor rotor is driven to rotate by the rotation of the permanent magnet rotor, the volume of heat exchange gas is increased by the fan-shaped through holes 43 on the permanent magnet mounting disc 4, the flow speed of air flow is accelerated by the built-in fan blades 5, the male hole type magnetic conduction disc 3 and the external fan 2, the heat transfer process of the conductor rotor to the permanent magnet due to heat generated by vortex is prevented while the volume of the heat exchange gas is increased, the temperature rise condition of parts of the magnetic coupler is improved, and the safety and the stability of the parts of the magnetic coupler are improved.
The embodiments disclosed in the present invention are within the scope of the claims, and are the specific embodiments of the present invention, and the protection scope of the embodiments is only illustrative of the protection scope of the claims.
In addition, the present invention does not disclose relevant components in the specification and the drawings, which do not hinder the understanding of the present invention by those skilled in the art, and does not disclose other conventional components of the present invention, which do not hinder the understanding of the present invention by those skilled in the art.
The connection relation of the product structures falling into the protection scope of the utility model falls into the protection content of the utility model; it is within the spirit of the present invention that conventional technical modifications to the structure of product parts, such as those made in the specific embodiments of the present invention, may be made without departing from the spirit of the present invention.
While certain exemplary embodiments of the utility model have been described above by way of illustration only, it will be apparent to those skilled in the art that the described embodiments may be modified in various different ways without departing from the scope of the utility model. Accordingly, the foregoing description is illustrative in nature and is not to be construed as limiting the scope of the utility model as claimed.
Unless defined otherwise, all academic and scientific terms used herein have the same meaning as is understood by one of ordinary skill in the art to which this invention belongs.
In case of conflict, the present specification, including definitions, will control.
All percentages, parts, ratios, etc. are by weight unless otherwise indicated.
When a value or range of values, preferred range or list of lower preferable values and upper preferable values is given, it should be understood that it specifically discloses any range formed by any pair of values of any lower range limit or preferred value and any upper range limit or preferred value, regardless of whether ranges are separately disclosed. Where a range of numerical values is described in this specification, unless otherwise stated, the range recited is intended to include the end of the range and all integers and fractions within the range.
When the term "about" or "approximately" is used to describe a numerical value or an end of a range, the disclosure should be interpreted to include the specific numerical value or end points referred to.
The use of "a" and "an" are merely for convenience and to provide a general context for the utility model. Unless expressly stated otherwise, this description should be read to include one or at least one.
Claims (6)
1. The utility model provides an air-cooled magnetic coupling, includes input shaft, output shaft, its characterized in that: the fan-shaped permanent magnet installation disc comprises an installation disc body, wherein an even number of permanent magnet installation grooves which are not less than 2 are uniformly formed in the side face, opposite to the output shaft, of the installation disc body along the circumferential direction, fan-shaped through holes which are uniformly distributed in an annular shape along the circumferential direction are formed between adjacent parts of each permanent magnet installation groove, built-in fan blades are embedded into the bottoms of the fan-shaped through holes, the male die magnetic conduction disc is fixedly connected with the permanent magnet installation disc, the magnetic conduction disc is fixed on the output shaft, and the magnetic conduction disc is fixedly connected with the copper disc.
2. The air-cooled magnetic coupling of claim 1, wherein: the punch hole type magnetic conductive disc is uniformly distributed with even groups of punch holes which are not less than 2 along the circumferential direction in an annular manner, and each group of punch holes correspond to the fan-shaped through holes on the permanent magnet mounting disc one by one.
3. An air-cooled magnetic coupler according to claim 1, wherein: permanent magnets with opposite polarities are respectively installed in the permanent magnet installation grooves which are evenly arranged along the circumference.
4. An air-cooled magnetic coupler according to claim 1, wherein: the number of the blades of the external fan is 10, and the thickness of each blade is 1 mm.
5. An air-cooled magnetic coupler according to claim 1, wherein: the convex die holes of each group are uniformly arranged in two rows of eight holes along the circumferential direction, correspond to the fan-shaped through holes on the permanent magnet mounting disc in position, and are even in number.
6. The air-cooled magnetic coupling of claim 1, wherein: an air gap interval is formed between the permanent magnet mounting disc and the copper disc, and the air gap interval can be larger than or equal to 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122856809.2U CN216721151U (en) | 2021-11-22 | 2021-11-22 | Air-cooled magnetic coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122856809.2U CN216721151U (en) | 2021-11-22 | 2021-11-22 | Air-cooled magnetic coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216721151U true CN216721151U (en) | 2022-06-10 |
Family
ID=81880156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122856809.2U Expired - Fee Related CN216721151U (en) | 2021-11-22 | 2021-11-22 | Air-cooled magnetic coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216721151U (en) |
-
2021
- 2021-11-22 CN CN202122856809.2U patent/CN216721151U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220610 |