CN105939091A - Cover plate-type cooling fin and permanent magnet eddy current flexible driver - Google Patents
Cover plate-type cooling fin and permanent magnet eddy current flexible driver Download PDFInfo
- Publication number
- CN105939091A CN105939091A CN201610413009.4A CN201610413009A CN105939091A CN 105939091 A CN105939091 A CN 105939091A CN 201610413009 A CN201610413009 A CN 201610413009A CN 105939091 A CN105939091 A CN 105939091A
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- China
- Prior art keywords
- fin
- cover
- rotor
- plate
- plate type
- Prior art date
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
Abstract
The invention relates to the technical field of permanent magnet eddy current flexible drive, in particular to a cover plate-type cooling fin and a permanent magnet eddy current flexible driver. The permanent magnet eddy current flexible driver is characterized by comprising a bottom plate, fins and a cover plate, wherein the fins are parallel to one another; the gaps h between the adjacent fins are 5-30mm or the adjacent fins are arranged on the concentric circumference in a radial manner; small-end gaps h1 or large-end gaps h2 between the adjacent fins are (5-30mm) or (9-60mm); the heights l of the fins are 10-50mm; and one end of each fin is connected with the bottom plate and the other end is connected with the cover plate. Compared with the prior art, the permanent magnet eddy current flexible driver has the advantages that (1) when a conductor steel plate rotates to work, cold air passes through an air passage among the fins at a high speed, so that the temperature of a conductor is reduced by 5-10 DEG C; (2) the tips of the fins are connected into a whole by the cover plate, so that the running noise can be reduced to a minimum of 10dB; and (3) the cover plate-type cooling fin can be widely applied to the permanent magnet eddy current flexible drivers with a plurality of specifications as a standard structure.
Description
Technical field
The present invention relates to permanent-magnet eddy current soft drive technical field, particularly relate to a kind of cover-plate type fin and permanent-magnet eddy current flexible actuator.
Background technology
Permanent-magnet eddy current flexible actuator includes permanent-magnet speed governor and permanent magnetic coupling, and permanent-magnet speed governor is addition speed adjusting gear on the basis of permanent magnetic coupling, thus realizes a kind of device of variable speed energy saving, and it is mainly used in the speed governing of high-power high voltage asynchronous motor.At present, permanent-magnet speed governor structure mainly includes p-m rotor, conductor rotor and speed adjusting gear, speed adjusting gear is mainly used between regulation p-m rotor and conductor rotor relative position in the axial direction, to change p-m rotor and the live part of conductor rotor coupling, thus change the moment of torsion transmitted between the two, the final torque changing permanent-magnet speed governor output shaft.Because of permanent-magnet speed governor have can realize smooth stepless time adjustment, energy-efficient, frame for movement is simple and reliable, without advantages such as external power supply, flexible startups, therefore it has obtained applying widely.
The Chinese invention patent application description of the Application No. 98802726.7 that U.S. mug(unit of measure) sodium FOX company proposes discloses a kind of adjustable magnetic coupler, it includes the first rotary shaft, second rotary shaft, two conductor rotor being arranged in the first rotary shaft, two p-m rotors being arranged in the second rotary shaft and respectively include corresponding set of permanent magnet, and push-pull mechanism, two p-m rotors are between two conductor rotor, and each p-m rotor and to conductor rotor between respectively maintain air gap, two air gaps formed by conductor rotor and p-m rotor can increase simultaneously or reduce under the effect of push-pull mechanism, thus correspondingly increase or reduce output torque, finally make on the premise of motor keeps constant rotational speed, load equipment obtains different torques and produces different rotating speeds.But, above-mentioned adjustable magnetic coupler also exists more defect in actual use, is mainly reflected in the following aspects:
One, the vortex flow caloric value produced by magnetic induction in conductor rotor is huge, when after the rated power improving equipment, rely on existing finned radiator to carry out the limited use (conductor temperature scope 65 ~ 120 DEG C) of forced air-cooling heat radiation, easily make permanent magnetic coupling burn because of high temperature.
Two, the noise problem that finned radiator produces in permanent magnetic coupling operation process is very serious (typically at 85 ~ 90dB).
The existence of above-mentioned major defect, have impact on the run stability of permanent-magnet eddy current flexible actuator, limits being widely popularized and applying of permanent-magnet eddy current flexible actuator.
Summary of the invention
An object of the present invention is to provide a kind of cover-plate type fin, for the conductor steel disk of conductor rotor, on the premise of meeting its heat dispersion, reduces noise when it runs；The two of its goal of the invention are to provide a kind of permanent-magnet eddy current flexible actuator, and this driver uses described fin, in order to reduce the conductor disc temperature in work process, and the noise produced during simultaneously reducing rotating conductor rotor.
To achieve these goals, the technical scheme is that such:
Cover-plate type fin, including base plate, fin and cover plate, described fin is the most parallel, the gap h of adjacent fin is 5 ~ 30mm, or adjacent fin is concentric circumferences arranged radially, the little splaying h1/ big splaying h2 of adjacent fin is (5 ~ 30mm)/(9 ~ 60mm), and described fin height l is 10 ~ 50mm, one end connecting bottom board of described fin, the other end of fin connects cover plate.
Described base plate and fin are integral type structure, and cover plate is connected by bolt with base plate.
Described cover plate and fin are integral type structure, and cover plate is connected by bolt with base plate.
Described base plate, fin and cover plate three are integral type structure, are provided with supporting sleeve at the installing hole between base plate and cover plate.
Some groove equidirectional with fin is had on the mounting plane of described base plate.
The wide a of described groove is 5 ~ 30mm, and the deep b of groove is 3 ~ 50mm.
Apply a kind of permanent-magnet eddy current flexible actuator of above-mentioned cover-plate type fin, described driver includes conductor rotor and p-m rotor, equipped with fin in described conductor rotor, equipped with permanent magnet on p-m rotor, described fin is the cover-plate type fin described in any one of claim 1-6, the quantity of described cover-plate type fin is corresponding with the permanent magnet quantity on p-m rotor, and described cover-plate type fin is the most uniformly arranged in conductor rotor.
Apply the another kind of permanent-magnet eddy current flexible actuator of above-mentioned cover-plate type fin, described driver includes conductor rotor and p-m rotor, equipped with fin in described conductor rotor, equipped with permanent magnet on p-m rotor, described fin is the cover-plate type fin described in any one of claim 1-6, and the fin on described cover-plate type fin remains radially.
Apply another permanent-magnet eddy current flexible actuator of above-mentioned cover-plate type fin, described driver includes conductor rotor, p-m rotor and arrangements for speed regulation, described conductor rotor is provided with fin, described fin is the cover-plate type fin described in any one of claim 1-6, the quantity of described cover-plate type fin is corresponding with the permanent magnet quantity on p-m rotor, and described cover-plate type fin is the most uniformly arranged in conductor rotor.
Apply another permanent-magnet eddy current flexible actuator of above-mentioned cover-plate type fin, described driver includes conductor rotor, p-m rotor and arrangements for speed regulation, equipped with fin in described conductor rotor, equipped with permanent magnet on p-m rotor, described fin is the cover-plate type fin described in any one of claim 1-6, and the fin on described cover-plate type fin remains radially.
Compared with prior art, the invention has the beneficial effects as follows: 1) the cover-plate type fin of the present invention, between cover plate, base plate and fin, form air flow channel, when conductor steel disk rotary work, cold air air flow channel high speed between fin passes, and makes conductor temperature drop 5 ~ 10 DEG C.2) the fin tip of the present invention is connected by cover plate, and fin tip is fixed against, and resonance will not be occurred under the influence of high velocity air to produce high frequency howling, in practice it has proved that, the minimum 10dB of running noises can be reduced.3) present invention can be suitably applied to the permanent-magnet eddy current flexible actuator of plurality of specifications, no matter be permanent magnetic coupling, or permanent-magnet speed governor, cover-plate type fin of the present invention can obtain extensively application as normal structure.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention one structural representation；
Fig. 2 is the embodiment of the present invention two structural representation；
Fig. 3 is the embodiment of the present invention three structural representation；
Fig. 4 is permanent-magnet eddy current flexible actuator embodiment one structural representation of the present invention；
Fig. 5 is permanent-magnet eddy current flexible actuator embodiment two structural representation of the present invention；
Fig. 6 is permanent-magnet eddy current flexible actuator embodiment three structural representation of the present invention；
Fig. 7 is permanent-magnet eddy current flexible actuator embodiment four structural representation of the present invention.
In figure: 1-base plate, 2-fin, 3-cover plate, 4-air flow channel, 5-groove, 6-bolt, 7-supporting sleeve, 8-conductor rotor one, 9-p-m rotor one, 10-fin one, 11-permanent magnet one, 12-fin two, 13-conductor rotor two, 14-p-m rotor two, 15-arrangements for speed regulation, 16-permanent magnet two, 17-fin three, 18-fin four.
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further:
See Fig. 1, be cover-plate type fin embodiment one structural representation of the present invention, including base plate 1, fin 2 and cover plate 3, fin 2 is the most parallel, and the gap h of adjacent fin is 5 ~ 30mm, and the high l of fin 2 is 10 ~ 50mm, one end connecting bottom board 1 of fin 2, the other end of fin 2 connects cover plate 3.Air flow channel 4 is formed between cover plate 3, base plate 1 and fin 2.By equipment cover plate 3, the air flow channel 4 of Formation cross-section all round closure, make the velocity of liquid assets of cold air strengthen, improve cooling effectiveness.Cover plate 3 secures the end of fin, decreases the birdie that high velocity air produces in fin end.
See Fig. 2, it it is cover-plate type fin embodiment two structural representation of the present invention, including base plate 1, fin 2 and cover plate 3, adjacent fin is concentric circumferences arranged radially, the little splaying h1/ big splaying h2 of adjacent fin 2 is (5 ~ 30mm)/(9 ~ 60mm), the high l of fin 2 is 10 ~ 50mm, one end connecting bottom board 1 of fin 2, and the other end of fin 2 connects cover plate 3.Air flow channel 4 is formed between cover plate 3, base plate 1 and fin 2.By equipment cover plate 3, the air flow channel 4 of Formation cross-section all round closure, make the velocity of liquid assets of cold air strengthen, improve cooling effectiveness.Cover plate 3 secures the end of fin, decreases the birdie that high velocity air produces in fin end.
See Fig. 3, be cover-plate type fin embodiment three structural representation of the present invention, including base plate 1, fin 2 and cover plate 3, fin 2 is the most parallel, having some groove 5 equidirectional with fin 2 on the mounting plane of base plate 1, the wide a of groove is 5 ~ 30mm, and the deep b of groove is 3 ~ 50mm.Produce extra area of dissipation on the mounting plane being arranged on base plate 1 of groove 5, radiating efficiency can be improved further.By equipment cover plate 3, the air flow channel 4 of Formation cross-section all round closure, make the velocity of liquid assets of cold air strengthen, improve cooling effectiveness.Cover plate 3 secures the end of fin, decreases the birdie that high velocity air produces in fin end.
In above-described embodiment, can select base plate 1 and fin 2 is integral type structure, and cover plate 3 is connected by bolt 6 with base plate 1.Or selecting cover plate 3 and fin 2 is integral type structure, cover plate and 3 base plates 1 are connected by bolt 6.Or selecting base plate 1, fin 2 and cover plate 3 three is integral type structure, is provided with supporting sleeve 7 at the installing hole between base plate 1 and cover plate 3, and supporting sleeve 7 is used for bearing installation pressure, it is to avoid base plate 1 and cover plate 3 deform after installing.
See Fig. 4, it it is a kind of permanent-magnet eddy current flexible actuator applying cover-plate type fin of the present invention, this driver includes conductor rotor 1 and p-m rotor 1, this structure is a kind of permanent-magnet eddy current flexible couplings device, equipped with fin 1 in conductor rotor 1, equipped with permanent magnet 1 on p-m rotor 1, fin 1 is the cover-plate type fin of the present invention, the quantity of fin 1 is corresponding with permanent magnet 1 quantity on p-m rotor 1, and multiple fin 1 are the most uniformly arranged in conductor rotor 1.
See Fig. 5, apply the another kind of permanent-magnet eddy current flexible actuator of cover-plate type fin of the present invention, this driver includes conductor rotor 1 and p-m rotor 1, this structure is another kind of permanent-magnet eddy current flexible couplings device, equipped with fin 2 12 in conductor rotor 1, fin 2 12 is the cover-plate type fin of the present invention, this fin 2 12 is annular integral type, fin on fin 2 12 remains radially, making cold air quickly be flowed laterally by inside conductor rotor 1, the heat that conductor rotor 1 is produced is taken away.
See Fig. 6, it it is a kind of permanent-magnet eddy current flexible actuator applying cover-plate type fin of the present invention, this driver includes conductor rotor 2 13, p-m rotor 2 14 and arrangements for speed regulation 15, conductor rotor 2 13 is provided with fin 3 17, fin 3 17 is cover-plate type fin of the present invention, the quantity of fin 3 17 is corresponding with permanent magnet 2 16 quantity on p-m rotor 2 14, and fin 3 17 is the most uniformly arranged in conductor rotor 2 13.
See Fig. 7, apply another permanent-magnet eddy current flexible actuator of cover-plate type fin of the present invention, driver includes conductor rotor 2 13, p-m rotor 2 14 and arrangements for speed regulation 15, equipped with fin 4 18 in conductor rotor 2 13, fin 4 18 is the cover-plate type fin of the present invention, and this fin 4 18 is annular integral type, and the fin on fin 4 18 remains radially, making cold air quickly be flowed laterally by inside conductor rotor 2 13, the heat that conductor rotor 2 13 is produced is taken away.
Embodiment described above is only the instantiation chosen for describing the purpose of the present invention, technical scheme and beneficial effect in detail; but should in no way limit protection scope of the present invention; all on the premise of the spirit and principles in the present invention; various modifications, equivalent and the improvement made, all should fall under the scope of the present invention.
Claims (10)
1. cover-plate type fin, it is characterized in that, including base plate, fin and cover plate, described fin is the most parallel, and the gap h of adjacent fin is 5 ~ 30mm, or adjacent fin is concentric circumferences arranged radially, the little splaying h1/ big splaying h2 of adjacent fin is (5 ~ 30mm)/(9 ~ 60mm), described fin height l is 10 ~ 50mm, one end connecting bottom board of described fin, and the other end of fin connects cover plate.
Cover-plate type fin the most according to claim 1, it is characterised in that described base plate and fin are integral type structure, and cover plate is connected by bolt with base plate.
Cover-plate type fin the most according to claim 1, it is characterised in that described cover plate and fin are integral type structure, and cover plate is connected by bolt with base plate.
Cover-plate type fin the most according to claim 1, it is characterised in that described base plate, fin and cover plate three are integral type structure, are provided with supporting sleeve at the installing hole between base plate and cover plate.
Cover-plate type fin the most according to claim 1, it is characterised in that have some groove equidirectional with fin on the mounting plane of described base plate.
Cover-plate type fin the most according to claim 5, it is characterised in that the wide a of described groove is 5 ~ 30mm, the deep b of groove is 3 ~ 50mm.
7. permanent-magnet eddy current flexible actuator, described driver includes conductor rotor and p-m rotor, equipped with fin in described conductor rotor, equipped with permanent magnet on p-m rotor, it is characterized in that, described fin is the cover-plate type fin described in any one of claim 1-6, and the quantity of described cover-plate type fin is corresponding with the permanent magnet quantity on p-m rotor, and described cover-plate type fin is the most uniformly arranged in conductor rotor.
8. permanent-magnet eddy current flexible actuator, described driver includes conductor rotor and p-m rotor, equipped with fin in described conductor rotor, equipped with permanent magnet on p-m rotor, it is characterized in that, described fin is the cover-plate type fin described in any one of claim 1-6, and the fin on described cover-plate type fin remains radially.
9. permanent-magnet eddy current flexible actuator, described driver includes conductor rotor, p-m rotor and arrangements for speed regulation, described conductor rotor is provided with fin, it is characterized in that, described fin is the cover-plate type fin described in any one of claim 1-6, the quantity of described cover-plate type fin is corresponding with the permanent magnet quantity on p-m rotor, and described cover-plate type fin is the most uniformly arranged in conductor rotor.
10. permanent-magnet eddy current flexible actuator, described driver includes conductor rotor, p-m rotor and arrangements for speed regulation, equipped with fin in described conductor rotor, equipped with permanent magnet on p-m rotor, it is characterized in that, described fin is the cover-plate type fin described in any one of claim 1-6, and the fin on described cover-plate type fin remains radially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413009.4A CN105939091A (en) | 2016-06-13 | 2016-06-13 | Cover plate-type cooling fin and permanent magnet eddy current flexible driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610413009.4A CN105939091A (en) | 2016-06-13 | 2016-06-13 | Cover plate-type cooling fin and permanent magnet eddy current flexible driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105939091A true CN105939091A (en) | 2016-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610413009.4A Pending CN105939091A (en) | 2016-06-13 | 2016-06-13 | Cover plate-type cooling fin and permanent magnet eddy current flexible driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105939091A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411099A (en) * | 2016-09-23 | 2017-02-15 | 迈格钠磁动力股份有限公司 | Air-cooled permanent magnet eddy-current flexible speed regulation device for preventing overheating |
| CN107508401A (en) * | 2017-09-18 | 2017-12-22 | 安徽叁旺网络信息技术有限公司 | A kind of wind guide and heat dispersion plate for motor electronic device |
-
2016
- 2016-06-13 CN CN201610413009.4A patent/CN105939091A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411099A (en) * | 2016-09-23 | 2017-02-15 | 迈格钠磁动力股份有限公司 | Air-cooled permanent magnet eddy-current flexible speed regulation device for preventing overheating |
| CN106411099B (en) * | 2016-09-23 | 2024-04-09 | 迈格钠磁动力股份有限公司 | Prevent overheated forced air cooling formula permanent magnetism vortex flexible speed adjusting device |
| CN107508401A (en) * | 2017-09-18 | 2017-12-22 | 安徽叁旺网络信息技术有限公司 | A kind of wind guide and heat dispersion plate for motor electronic device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Biao Inventor after: Ma Zhongwei Inventor after: Hou Zhe Inventor after: Chen Mingdong Inventor before: Ma Zhongwei Inventor before: Chen Biao Inventor before: Hou Zhe Inventor before: Chen Mingdong |
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| CB03 | Change of inventor or designer information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160914 |
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| RJ01 | Rejection of invention patent application after publication |