CN204559365U - Electricity permanent magnetic coupling - Google Patents
Electricity permanent magnetic coupling Download PDFInfo
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- CN204559365U CN204559365U CN201520199636.3U CN201520199636U CN204559365U CN 204559365 U CN204559365 U CN 204559365U CN 201520199636 U CN201520199636 U CN 201520199636U CN 204559365 U CN204559365 U CN 204559365U
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- magnet
- magnetic coupling
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Abstract
The utility model relates to electric permanent magnetic coupling.Be made up of, in the sagittal plane of electric p-m rotor, circumferential surface are wrapped in by conductor rotor conductor rotor, electric p-m rotor, flexible electrode mechanism; Conductor rotor is closed by high magnetic layer and high conductivity laminating and is formed, and high conductivity layer is towards electric p-m rotor, and high magnetic layer is arranged on outside high conductivity layer; Electricity p-m rotor: comprise diamagnetism matrix, diamagnetism matrix is provided with and spacedly possesses the main permanent magnet of high-coercive force and low-coercivity electrical permanent-magnet, connected between main permanent magnet and electrical permanent-magnet by magnetic conductor; Electrical permanent-magnet is wound around magnetizing coil, and magnetizing coil two ends are connected to two conducting rings; Described flexible electrode mechanism: the contact system comprising electromagnetic system and contact with conducting ring.The utility model provides one and does not move motor afterwards, is convenient to the electric permanent magnetic coupling processed, assembling is transported and installed.
Description
Technical field
The utility model relates to drive shaft couples Driving technique field, load speed adjusting technique field and power and drags field, the electric permanent magnetic coupling of specifically a kind of controllable adjustment magnetic coupling moment of torsion transmission.
Background technology
Society, in various industrial occasions and people's productive life, the field relating to power transmission shaft driving and speed governing widely, common are motor, internal combustion engine, steam turbine.Due to application widely, corresponding technology is also very numerous and diverse.
Energy-saving and cost-reducing be one of content of paying close attention to of the whole world always, China is also classified as one of ten large energy-conservation key projects energy-conservation for electric motor system in " energy-conservation medium-term and long-term ad hoc planning ", it is reported, motor average power consumption in the whole world accounts for more than 50% of countries in the world total electricity consumption, accounts for about 70% of industrial electricity.The power consumption of the current motor of China accounts for 60% of national power consumption, the power consumption wherein occupying the blower fan of very large proportion, pump class, compressor and air conditioner refrigerating device in energy industry is produced accounts for 10.4%, 20.9%, 9.4% and 6% of national power consumption respectively, and energy-saving and cost-reducing space is boundless.
In actual engineering design with application, the wearing and tearing usually adding upper pump casing and blower fan by maximum duty demand are fallen and can be designed and be equipped with motor by coefficient.And the also maximum output of non-required system under most condition of production, main valve and deep bead control flow, consequently low load with strong power, create the energy consumption of about 30%, and energy-saving potential is huge.Under the strong promotion of national policy, electric system is promoted at energy-conserving product, power-saving technology research and development, energy-conservation technological transformation project enforcement etc. in achieve tremendous development.Wherein just there is the application of permanent magnet coupling speed adjusting technique.
Along with the development of permanent magnet coupling speed adjusting technique, progressively promote in industrial system, its energy-saving effect and damping noise reduction performance have obtained the extensive approval of society.But still there is some defects and deficiency in its design, as: wind-cooling heat dissipating design is not advanced; Permanent magnetic coupling axial occupation space, needs to move after motor, brings the construction again to installation foundation, as motor rear space is not enough, just can not apply; The mechanisms such as air gap governor motion, propulsive mechanism, bearing shaft system and electric actuator are numerous and diverse, and failure rate is high; Daily Round Check periodic maintenance maintenance requires high; Speed adjustable range is narrow; Magnetic eddy current incidence and utilance low, the heat efficiency is high; Water-cooling type cooling system is loaded down with trivial details, and cooling water existence is to the infringement of equipment and the long-pending phenomenon of mineral matter heat.
Utility model content
The utility model mainly solves prior art Problems existing, thus provides one not move motor afterwards, is convenient to the electric permanent magnetic coupling processed, assembling is transported and installed.
The technical solution adopted in the utility model is for this reason: the utility model is made up of conductor rotor (1), electric p-m rotor (2), flexible electrode mechanism (3), expansion set, electric permanent magnetic controller and volute type fan housing, it is characterized in that, in the sagittal plane of electric p-m rotor (2), circumferential surface are wrapped in by described conductor rotor (1);
Described conductor rotor (1) is fitted by high magnetic layer (11) and high conductivity layer (12) and is formed, and described high conductivity layer is towards electric p-m rotor, and high magnetic layer is arranged on outside high conductivity layer;
Described electric p-m rotor (2): comprise diamagnetism matrix, described diamagnetism matrix is provided with and spacedly possesses the main permanent magnet of high-coercive force (21) and low-coercivity electrical permanent-magnet (22), connected by magnetic conductor between described main permanent magnet (21) and electrical permanent-magnet (22); Described electrical permanent-magnet (22) is wound around magnetizing coil (23), described magnetizing coil (23) two ends connect conducting ring (24) respectively;
Described flexible electrode mechanism (3): the contact system comprising electromagnetic system (31) and contact with conducting ring (24), contacts with conducting ring (24) when described contact system obtains electric, makes contact system be separated with conducting ring (24) by restoring mechanism during power-off.
Described conductor rotor (1) radially evenly arranges spirogyrate wrinkle, is in axial direction uniformly distributed some blades.
Described electric p-m rotor (2) each portion gap location filling insulating material.
The part that described conducting ring (24) contacts with contact system is arranged to the taper shape of lordosis.
Described contact system comprises the carbon brush (32) be evenly distributed on annulus matrix, arranges hairbrush (33) between described adjacent carbon brush (32), and described conducting ring (24) stretches in contact system to be formed with carbon brush (32) and contacts.
In described conductor rotor (1): high magnetic layer (11) is made up of permalloy or silicon steel, high conductivity layer (12) is made up of gold or silver or cathode copper or aluminium.
Described electric p-m rotor (2): diamagnetism matrix is made up of titanium alloy or austenitic stainless steel, main permanent magnet (21) is made up of neodymium iron boron or scythe and cobalt kind alloy, electrical permanent-magnet (22) is made up of aluminium Nickel cobalt or ferrite, and described magnetic conductor is made up of permalloy or silicon steel.
Described conductor rotor (1) and electric p-m rotor (2) are socketed on electric machine main shaft and load main shaft respectively by expansion set.
The utility model has the advantages that: speed adjustable range 0-98%; Do not move motor (because its design does not take on-the-spot axial space) afterwards; Hot incidence is little, heat extraction strong (can significantly increase the Wind-cooling type upper limit); Non-maintaining (because its design does not have axle system, air gap governor motion, propulsive mechanism and electric actuator); Be convenient to processing, assembling, transport and install (because its design magnetic force can be in internal short-circuit state); Lightweight, volume little (because its magnetic energy utilization rate is high); Production cycle extremely short (can mold batch production); Processing cost low (significantly reducing personnel and lathe utilization rate); The electric permanent magnetic coupling in multiple industry and the product for civilian use can be extended to.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model conductor rotor.
Fig. 3 is the end view of Fig. 2.
Fig. 4 is the utility model electricity permanent magnet rotor structure schematic diagram.
Fig. 5 is the end view of Fig. 4.
Magnetic circuit figure when Fig. 6,7 is the utility model electricity p-m rotor different conditions.
Fig. 8 is that the utility model stretches the structural representation of electrode mechanism.
Fig. 9 is the end view of Fig. 8.
1 be conductor rotor, 2 be electric p-m rotor in figure, 3 be flexible electrode mechanism;
11 is that high magnetic layer, 12 is for high conductivity layer;
21 be main permanent magnet, 22 be electrical permanent-magnet, 23 be magnetizing coil, 24 for conducting ring;
31 be electromagnetic system, 32 be carbon brush, 33 for hairbrush.
Embodiment
Below in conjunction with accompanying drawing the utility model made and illustrating:
The utility model electricity permanent magnetic coupling is made up of conductor rotor 1, electric p-m rotor 2, flexible electrode mechanism 3, expansion set, electric permanent magnetic controller and volute type fan housing, wherein electric permanent magnetic controller and volute type fan housing are existing mature industry product and technology, and expansion set is for matching product in conjunction with field condition.
The utility model electricity permanent magnetic coupling in, use expansion set conductor rotor 1 and electric p-m rotor 2 are socketed on electric machine main shaft and load main shaft respectively, conductor rotor 1 wraps up sagittal plane and the periphery of electric p-m rotor 2, between be in contactless state.
As the utility model preferred embodiment, high magnetic layer 11(that described conductor rotor 1 uses thermal conductivity good is as permalloy, silicon steel) and thermal conductivity good high conductivity layer 12(as gold, silver, cathode copper, aluminium) laminating forms, high conductivity layer 12 is towards electric p-m rotor 2.The male type wrinkle that the sagittal plane part punching stretch of conductor rotor 1 is uniformly issued, periphery part is made up of the blade evenly issued, and male type wrinkle and leaf morphology weaken design with reference to the air draft principle of centrifugal fan air draft impeller.
As the utility model preferred embodiment, described electric p-m rotor 2, matrix uses diamagnetic material manufacture (as: titanium alloy, austenitic stainless steel), the permanent magnet installed in the base has main permanent magnet 21 and electrical permanent-magnet 22, main permanent magnet 21 possesses high-coercive force (as: neodymium iron boron, scythe and cobalt kind alloy), electrical permanent-magnet 22 possesses low-coercivity (as: aluminium Nickel cobalt, ferrite), main permanent magnet 21 is covered by magnetic conductor with the end face magnetic pole of electrical permanent-magnet 22 and is interconnected, magnetic conductor possesses high magnetic conductivity (as: permalloy, silicon steel), electrical permanent-magnet 22 is wound with magnetizing coil 23, gap epoxy resin filling, magnetizing coil 23 two ends are connected on two conducting rings 24, between two conducting rings 24 and and electric p-m rotor 2 between use insulating material to isolate, conducting ring 24 and dielectric spacer layer are embedded on electric p-m rotor 2.
As the utility model preferred embodiment, described conducting ring 24 exposed parts is pyramid type, can increase conductive contact area like this, reduces to shake the impact brought.Conducting ring 24 adopts high conductivity material manufacture.
In the utility model electricity permanent magnetic coupling, relative with conducting ring 24 is flexible electrode mechanism 3, and the flexible similar electromagnetic relay of electrode mechanism 3 working forms, is made up of electromagnetic system 31, contact system, transmission and restoring mechanism three parts equally.
As the utility model preferred embodiment, described contact system has carbon brush 32, hairbrush 33, annulus matrix three parts, and carbon brush 32 body is annular segments body, quantity two or more, even issue is fixed on annulus matrix, is hairbrush 33 between carbon brush 32 and carbon brush 32.
As the utility model preferred embodiment, described electric permanent magnetic controller, adopts to have and fills the startup of demagnetization action equal rising edge, the weak intelligent electric permanent magnetic controller filling demagnetization function, the operation of touch screen control combining wireless.
The utility model electricity permanent magnetic coupling course of work: electric permanent magnetic controller controls electromagnetic system, after energising, transmission mechanism contacts contact system with conducting ring 24, then electric permanent magnetic controller carries out the work of magnetizing, demagnetize and oppositely magnetize for electrical permanent-magnet again, when not working, solenoid power-off release, is flicked contact system by restoring mechanism.Electricity permanent magnetic controller can control and regulate sense of current, size and time, realize the change of electrical permanent-magnet magnetic force size and pole orientation, electrical permanent-magnet end face magnetic pole has magnetic conductor to cover with main permanent magnet end magnetic pole to be connected, make electrical permanent-magnet and main magnetic field of permanent magnet obtain mutual progressive magnetic by magnetic conductor and superpose the change with mutual progressive magnet short-cut path, thus make electric p-m rotor 2 realize magnetic force internal short-circuit to the completely outer progressive process (approximate electric permanent-magnet suction disc principle) put of magnetic force, the magnetic coupling force size of corresponding with putting size variation outside magnetic force is conductor rotor and electric p-m rotor 2 changes, and then realize the object that controllable adjustment moment of torsion transmits size variation.
Claims (8)
1. electric permanent magnetic coupling, be made up of conductor rotor (1), electric p-m rotor (2), flexible electrode mechanism (3), expansion set, electric permanent magnetic controller and volute type fan housing, it is characterized in that, in the sagittal plane of electric p-m rotor (2), circumferential surface are wrapped in by described conductor rotor (1);
Described conductor rotor (1) is fitted by high magnetic layer (11) and high conductivity layer (12) and is formed, and described high conductivity layer is towards electric p-m rotor, and high magnetic layer is arranged on outside high conductivity layer;
Described electric p-m rotor (2): comprise diamagnetism matrix, described diamagnetism matrix is provided with and spacedly possesses the main permanent magnet of high-coercive force (21) and low-coercivity electrical permanent-magnet (22), connected by magnetic conductor between described main permanent magnet (21) and electrical permanent-magnet (22); Described electrical permanent-magnet (22) is wound around magnetizing coil (23), described magnetizing coil (23) two ends connect conducting ring (24) respectively;
Described flexible electrode mechanism (3): the contact system comprising electromagnetic system (31) and contact with conducting ring (24), contacts with conducting ring (24) when described contact system obtains electric, makes contact system be separated with conducting ring (24) by restoring mechanism during power-off.
2. electric permanent magnetic coupling according to claim 1, is characterized in that, described conductor rotor (1) radially evenly arranges spirogyrate wrinkle, is in axial direction uniformly distributed some blades.
3. electric permanent magnetic coupling according to claim 1, is characterized in that, described electric p-m rotor (2) each portion gap location filling insulating material.
4. electric permanent magnetic coupling according to claim 1, is characterized in that, the part that described conducting ring (24) contacts with contact system is arranged to the taper shape of lordosis.
5. electric permanent magnetic coupling according to claim 1, it is characterized in that, described contact system comprises the carbon brush (32) be evenly distributed on annulus matrix, arrange hairbrush (33) between described adjacent carbon brush (32), described conducting ring (24) stretches in contact system to be formed with carbon brush (32) and contacts.
6. electric permanent magnetic coupling according to claim 1, is characterized in that, in described conductor rotor (1): high magnetic layer (11) is made up of permalloy or silicon steel, and high conductivity layer (12) is made up of gold or silver or cathode copper or aluminium.
7. electric permanent magnetic coupling according to claim 1, it is characterized in that, described electric p-m rotor (2): diamagnetism matrix is made up of titanium alloy or austenitic stainless steel, main permanent magnet (21) is made up of neodymium iron boron or scythe and cobalt kind alloy, electrical permanent-magnet (22) is made up of aluminium Nickel cobalt or ferrite, and described magnetic conductor is made up of permalloy or silicon steel.
8. electric permanent magnetic coupling according to claim 1, is characterized in that, described conductor rotor (1) and electric p-m rotor (2) are socketed on electric machine main shaft and load main shaft respectively by expansion set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520199636.3U CN204559365U (en) | 2015-04-05 | 2015-04-05 | Electricity permanent magnetic coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520199636.3U CN204559365U (en) | 2015-04-05 | 2015-04-05 | Electricity permanent magnetic coupling |
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| Publication Number | Publication Date |
|---|---|
| CN204559365U true CN204559365U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520199636.3U Expired - Fee Related CN204559365U (en) | 2015-04-05 | 2015-04-05 | Electricity permanent magnetic coupling |
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| CN (1) | CN204559365U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147274A (en) * | 2017-06-30 | 2017-09-08 | 武汉理工大学 | A kind of adjustable memory permanent magnetic coupling of torque |
| CN107276367A (en) * | 2017-06-30 | 2017-10-20 | 武汉理工大学 | A kind of electromagnetic slip clutches based on magnetic gear effect |
-
2015
- 2015-04-05 CN CN201520199636.3U patent/CN204559365U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147274A (en) * | 2017-06-30 | 2017-09-08 | 武汉理工大学 | A kind of adjustable memory permanent magnetic coupling of torque |
| CN107276367A (en) * | 2017-06-30 | 2017-10-20 | 武汉理工大学 | A kind of electromagnetic slip clutches based on magnetic gear effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150812 |