CN206226155U - A kind of novel permanent magnetic rotor and motor - Google Patents
A kind of novel permanent magnetic rotor and motor Download PDFInfo
- Publication number
- CN206226155U CN206226155U CN201621367179.5U CN201621367179U CN206226155U CN 206226155 U CN206226155 U CN 206226155U CN 201621367179 U CN201621367179 U CN 201621367179U CN 206226155 U CN206226155 U CN 206226155U
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- magnet steel
- permanent magnetic
- rotor
- short
- novel permanent
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Abstract
The utility model provides a kind of novel permanent magnetic rotor and motor, and the novel permanent magnetic rotor includes：Rotor core, rotor shaft, magnet steel, magnet steel protective case, short-circuited conducting sleeve, fastening nut.When needing to change magnet steel or carry out power adjustment, directly by under the fastening nut dismounting on rotor shaft short-circuited conducting sleeve can be extracted, magnet steel protective case is extruded, you can carry out magnet steel replacing.After the completion of replacing, magnet steel protective case is set with and is completed, by short-circuited conducting sleeve and fastening nut installation, that is, realize the magnet steel attended operation of p-m rotor, maintaining is more convenient, the permanent magnetism of centrifugal chilling unit built-in motor is melted into order to possible.
Description
Technical field
The utility model is related to technical field of motors, in particular to a kind of novel permanent magnetic rotor and motor.
Background technology
Because permagnetic synchronous motor magnet steel Surface Mount method is not high with the requirement on machining accuracy of yoke to magnetic pole, low cost, method
It is easy；Can simplify the structure of some parts, or even the structure of whole motor can be simplified, and because the stress distribution ratio of weld
Mode connects for screw is more uniformly distributed, therefore motor can be made reliably to be worked under vibration and impact load.
Magnet steel Surface Mount technique is mostly used at present, and shield latitude band (micromachine) is wrapped up in using the thin stainless steel sheet| of rotor outsourcing or glue
Influenceed by centrifugal force to reduce magnet steel, major part is the bag stainless sheet steel argon arc welding spot welding after rotor posts magnet steel
Form, due to welding gap and short-circuited conducting sleeve seam, under special operation condition：Such as centrifugal chilling unit motor, in motor electronic coil
There is refrigerant to run；Direct-connected oil lubrication, water lubrication air compressor machine are installed because of axle envelope, the factor such as aging causes coolant to be soaked into stator
Bubble rotor, such longtime running causes the Nd-Fe-B magnet steel corrosion of rotor and shortens the life-span of adhesive, maintaining inconvenience.
Utility model content
In view of this, the utility model provides a kind of novel permanent magnetic rotor and motor, can solve the problem that above mentioned problem.
The technical scheme that the utility model is provided is as follows：
A kind of novel permanent magnetic rotor, including：Rotor core, rotor shaft, magnet steel, magnet steel protective case, short-circuited conducting sleeve, fastening spiral shell
Cap and grounding carbon brush, wherein：
The rotor core is set in outside the rotor shaft, and the magnet steel is set in outside the rotor core, the magnetic
Steel protective case is set in outside the magnet steel, and the two ends of the magnet steel protective case are respectively arranged with end cap；The rotor shaft two ends
Dismountable short-circuited conducting sleeve is arranged with respectively, and the short-circuited conducting sleeve is arranged on the end cap two ends, and the short-circuited conducting sleeve is by the fastening
Nut is fixed with the rotor shaft；The grounding carbon brush be that the rotor shaft is connected, for eliminating shaft current.
Further, the rotor shaft two ends are provided with external screw thread, and the short-circuited conducting sleeve inwall is provided with and the outer spiral shell
The internal thread that line matches, the short-circuited conducting sleeve is set in the two of the rotor shaft by the internal thread and external screw thread cooperation
End.
Further, it is provided with sealing ring between the short-circuited conducting sleeve and the rotor shaft.
Further, the sealing ring is fluororubber O-type ring.
Further, the novel permanent magnetic rotor realizes dynamic balancing using duplicate removal mode.
Further, the magnet steel protective case is prefabricated stainless sheet steel.
Further, the grounding carbon brush is arranged on the drive end or anti-drive end of the novel permanent magnetic rotor.
Further, the short-circuited conducting sleeve is connected with the magnet steel, and the machinery for suppressing the novel permanent magnetic rotor shakes
Swing.
Further, the short-circuited conducting sleeve is copper ring.
Present invention also provides a kind of motor, including novel permanent magnetic rotor recited above.
The novel permanent magnetic rotor that the embodiment of the present application is provided, by setting magnet steel protective case, is needing to change or repair magnetic
Steel or when carrying out power and adjusting, directly can disassemble the fastening nut on rotor shaft, and short-circuited conducting sleeve is extracted, then by magnetic
Steel protective case is extruded, you can carry out the replacing of magnet steel.After the completion of replacing, magnet steel protective case is set with and is completed, by short-circuited conducting sleeve and tightly
Gu nut installation, that is, realize the magnet steel attended operation of p-m rotor, maintaining is more convenient, makes in centrifugal chilling unit
The permanent magnetism chemical conversion of formula motor is put in order to possible.The novel permanent magnetic rotor provided using the embodiment of the present application, demolition and maintenance are convenient, peace
Dress is easy, without the operating mode for influenceing other equipment.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Coordinate appended accompanying drawing, be described in detail below.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, below will be to be used needed for embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
Other related accompanying drawings are obtained with according to these accompanying drawings.
A kind of structural representation of novel permanent magnetic rotor that Fig. 1 is provided for the utility model embodiment.
The generalized section of the novel permanent magnetic rotor that Fig. 2 is provided for the utility model embodiment.
Icon：100- novel permanent magnetic rotors；101- rotor cores；102- magnet steel；103- rotor shafts；104- magnet steel is protected
Set；105- short-circuited conducting sleeves；106- fastening nuts.
Specific embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole realities
Apply example.The component of the utility model embodiment generally described and illustrated in accompanying drawing herein can be come with a variety of configurations
Arrangement and design.Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit
Claimed scope of the present utility model, but it is merely representative of selected embodiment of the present utility model.Based on the utility model
Embodiment, the every other embodiment that those skilled in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.Meanwhile, it is new in this practicality
In the description of type, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
Electric system is widely used in each field such as industrial production, daily life, and electric system power consumption accounts for various countries
60% or so of power consumption, is the primary content of various countries' energy conservation.The Chinese government pays much attention to electrical machine energy-saving work, always will
Energy-saving of motor system engineering as one of state key energy conservation project, by promulgating a series of electrical machine energy-saving policies and supporting arranging
Apply, using high efficiency motor, improve China's motor efficiency level.It is simple to be produced using the high efficiency motor poorly efficient motor of replacement
1%~2% energy saving space, and the efficiency level of the current electric system of China has 10%~30% room for promotion.Improve
Electric system efficiency, greatly develops the important step that energy-saving of motor system technology is China's energy-saving and emission-reduction policy execution, is also to promote
Enter using energy source to it is efficient, clean the committed step that direction is developed.
It is to coordinate to promote to carry out the related content such as " propulsion resources conservation intensive utilization " during " 13 " plan
《Notice on organizing and implementing motor efficiency lifting plan (2013-2015)》(Ministry of Industry and Information's interlink (2013) 226),《Energy
Effect " leader " system embodiment》(hair changes ring and provides (2014) No. 3001),《In-depth standardization effort reform scheme》(promulgated by the State Council
(2015) No. 13),《Opinion on strengthening energy conservation standardization work》(Office of the State Council sends out (2015) No. 16),《Mandatory standard is integrated
Simplify programme of work》The implementation of energy-conservations such as (Office of the State Council send out (2016) No. 3), standardization policy, propulsion China electric system efficiency water
Flat raising, promotes energy-conserving product to promote, and on May 26th, 2016, Chinese energy-conservation association criterion special commission, Evaluation on Energy Saving are specially entrusted
The working conference in 2016 of meeting-- high efficiency motor system and energy-saving benefit assessment joint working group is smoothly held in Beijing.
To promote motor efficiently to remanufacture, improve motor and remanufacture standard rush system level evaluation method, promotion remanufactures row
Industry sound development, the efficient re-manufacturing technology of propulsion electric machine and product, fully implement《Recycling economy promotion law》, promote resources conservation
Type, pro-environmental society, China Institute of Standardization have held motor and have efficiently made again on July 20th, 2016 in Shanghai
Make forum.Ground from Energy Labeling administrative center of China Institute of Standardization, Shanghai Energy Conservation supervision center, Shanghai electrical science
Study carefully institute, International Copper Association and domestic high efficiency motor manufacturer representative and the people of welcome guest more than 30 has attended this meeting, set up efficient electric
Machine remanufactures joint working group, promotes energy-saving of motor system transformation to be merged and development with what motor was remanufactured, and old motor is synchronous forever
Magnetization remanufactures the development fast traffic lane for also putting on national recycling economy.
In view of this, the embodiment of the present application provides a kind of novel permanent magnetic rotor 100, as depicted in figs. 1 and 2, including：Turn
Sub- iron core 101, rotor shaft 103, magnet steel 102, magnet steel protective case 104, short-circuited conducting sleeve 105, fastening nut 106 and grounding carbon brush.
The rotor core 101 is set in outside the rotor shaft 103, and the magnet steel 102 is set in the rotor core
Outside 101, the magnet steel protective case 104 is set in outside the magnet steel 102, and the two ends of the magnet steel protective case 104 are respectively arranged with
End cap；The two ends of the rotor shaft 103 are arranged with dismountable short-circuited conducting sleeve 105 respectively, and the short-circuited conducting sleeve 105 is arranged on the end
Lid two ends, the short-circuited conducting sleeve 105 is fixed by the fastening nut 106 with the rotor shaft 103；The grounding carbon brush be
The rotor shaft 103 is connected, for eliminating shaft current.
Specifically, the magnet steel protective case 104 in the embodiment of the present application can be made using the stainless sheet steel of 3 to 5mm, root
According to the size of rotor, the specific size of magnet steel protective case 104 is determined.
Specifically, the rotor shaft 103 is provided with external screw thread, the inwall of the short-circuited conducting sleeve 105 is provided with and the outer spiral shell
The internal thread that line matches, the short-circuited conducting sleeve 105 is set in the rotor shaft 103 by the internal thread and external screw thread cooperation
Near the two ends of the magnet steel protective case 104.
Put into excitation in motor, during the rotating speed that pulls in, novel permanent magnetic rotor 100 can produce vibration.It is i.e. new
P-m rotor 100 is acted on by electromagnetic force, and its magnetic field center occurs the magnetic field center for being ahead of stator, or delayed
In the situation of the magnetic field center of stator.The oscillation amplitude of novel permanent magnetic rotor 100 can be gradually decreased, until stabilization.New
In the oscillatory process of p-m rotor 100, the fluctuation of stator and exciting current will be caused, because the Damper Winding of rotor has suppression to shake
The effect swung, setting short-circuited conducting sleeve 105 can strengthen the suppression to current fluctuation phenomenon, it is ensured that the normal startup of motor.Short-circuited conducting sleeve
105 can use copper ring or other materials.
Further, it is provided with sealing ring between the short-circuited conducting sleeve 105 and the rotor shaft 103.The sealing ring can be with
Using fluororubber O-type ring.The quantity of short-circuited conducting sleeve 105 can be two, be separately positioned on the two ends of rotor shaft 103, short-circuited conducting sleeve
The sealing ring set in 105 is also corresponding two, and is fixed in rotor shaft 103 by two fastening nuts 106.
The end cap at the two ends of magnet steel protective case 104 can set cooling fan blade, and then conveniently carry out dynamically balanced operation, application
Rotor on refrigerator can also be made smooth nose circle face due to being operated in low temperature filling, end cap, mitigate motor load and enter
And improve the operating efficiency of motor.
In the embodiment of the present application, cause needing to novel permanent magnetic rotor by using prefabricated magnet steel protective case 104
Magnet steel 102 in 100 change during with repair operation, is carried out after can magnet steel protective case 104 be dismantled, magnet steel protective case
104 convenient disassembly, can reuse beneficial to maintenance and repair operation, and magnet steel protective case 104, reduce maintenance cost.
Due to current permagnetic synchronous motor, especially large-scale permagnetic synchronous motor is typically monitored using the Wen Yi that shakes, due to
The factor major part enterprise of cost is simultaneously provided without antistatic professional bearing, along with frequency converter brand, the difference of performance are possible to
Motor shaft electrolytic corrosion can be produced
It is understood that in the embodiment of the present application, grounding carbon brush is used advises with the diameter of axle identical of rotor shaft 103
Lattice, the specific mounting means of grounding carbon brush can be according to the installation situation of motor and equipment, the length of rotor shaft 103 come really
Fixed, grounding carbon brush may be mounted at drive end or anti-drive end.The earthing of casing of grounding carbon brush, after rotor produces shaft current
Shaft current can just be eliminated by the grounding carbon brush being grounded.
The effect of grounding carbon brush mainly has：Because air gap may be uneven in generator installation, during coil is installed in addition
Impedance is also not near identical, shaft voltage can be induced on generator amature in generator operation.Due to the presence of shaft voltage, operation
In the shaft voltage oil film row into shaft current can be punctured by two ends of rotor bearing, there is the situation for burning out bearing shell.In order to prevent here
Phenomenon is planted, is grounded with grounding carbon brush, to eliminate shaft current.
It is understood that the novel permanent magnetic rotor 100 can realize dynamic balancing using duplicate removal mode.By dynamic balancing
Rotor operation afterwards is more steady, and mechanical energy consumption is also smaller.
The novel permanent magnetic rotor 100 provided using the embodiment of the present application, is being needed to change or repair magnet steel 102 or is carrying out work(
When rate is adjusted, directly the fastening nut 106 on rotor shaft 103 can be disassembled, short-circuited conducting sleeve 105 is extracted, then by magnetic
Steel protective case 104 is extruded, you can carry out the replacing of magnet steel 102.After the completion of replacing, magnet steel protective case 104 is set with completion, will be short
Road ring 105 and the installation of fastening nut 106, that is, realize the attended operation of magnet steel 102 of novel permanent magnetic rotor 100, safeguards and protects
Support more convenient, the permanent magnetism of centrifugal chilling unit built-in motor is melted into order to possible.In sum, using the embodiment of the present application
The novel permanent magnetic rotor 100 of offer, demolition and maintenance are convenient, simple installation, without the operating mode for influenceing other equipment.
In view of this, the embodiment of the present application additionally provides a kind of motor, including novel permanent magnetic rotor 100 recited above.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.It should be noted that
Arrive：Similar label and letter represents similar terms in following accompanying drawing, therefore, once determined in a certain Xiang Yi accompanying drawing
Justice, then need not further be defined and be explained in subsequent accompanying drawing to it.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed
Or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be described with power
The protection domain that profit is required is defined.
Claims (10)
1. a kind of novel permanent magnetic rotor, it is characterised in that including：Rotor core, rotor shaft, magnet steel, magnet steel protective case, short circuit
Ring, fastening nut and grounding carbon brush, wherein：
The rotor core is set in outside the rotor shaft, and the magnet steel is set in outside the rotor core, and the magnet steel is protected
Sheath is set in outside the magnet steel, and the two ends of the magnet steel protective case are respectively arranged with end cap；The rotor shaft two ends difference
Dismountable short-circuited conducting sleeve is arranged with, the short-circuited conducting sleeve is arranged on the end cap two ends, and the short-circuited conducting sleeve passes through the fastening nut
Fixed with the rotor shaft；The grounding carbon brush be that the rotor shaft is connected, for eliminating shaft current.
2. novel permanent magnetic rotor according to claim 1, it is characterised in that the rotor shaft two ends are provided with outer spiral shell
Line, the short-circuited conducting sleeve inwall is provided with the internal thread matched with the external screw thread, the short-circuited conducting sleeve by the internal thread and
External screw thread coordinates the two ends for being set in the rotor shaft.
3. novel permanent magnetic rotor according to claim 1, it is characterised in that set between the short-circuited conducting sleeve and the rotor shaft
It is equipped with sealing ring.
4. novel permanent magnetic rotor according to claim 3, it is characterised in that the sealing ring is fluororubber O-type ring.
5. novel permanent magnetic rotor according to claim 1, it is characterised in that the novel permanent magnetic rotor uses duplicate removal mode
Realize dynamic balancing.
6. novel permanent magnetic rotor according to claim 1, it is characterised in that the magnet steel protective case is prefabricated Thin Stainless Steel
Plate.
7. novel permanent magnetic rotor according to claim 1, it is characterised in that the grounding carbon brush be arranged on it is described it is new forever
The drive end or anti-drive end of magnet rotor.
8. novel permanent magnetic rotor according to claim 1, it is characterised in that the short-circuited conducting sleeve is connected with the magnet steel,
Mechanical oscillation for suppressing the novel permanent magnetic rotor.
9. novel permanent magnetic rotor according to claim 1, it is characterised in that the short-circuited conducting sleeve is copper ring.
10. a kind of motor, it is characterised in that including the novel permanent magnetic rotor described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621367179.5U CN206226155U (en) | 2016-12-13 | 2016-12-13 | A kind of novel permanent magnetic rotor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621367179.5U CN206226155U (en) | 2016-12-13 | 2016-12-13 | A kind of novel permanent magnetic rotor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206226155U true CN206226155U (en) | 2017-06-06 |
Family
ID=58783530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621367179.5U Withdrawn - After Issue CN206226155U (en) | 2016-12-13 | 2016-12-13 | A kind of novel permanent magnetic rotor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206226155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533009A (en) * | 2016-12-13 | 2017-03-22 | 江苏瑞斯曼节能技术有限公司 | Novel permanent-magnet rotor and motor |
-
2016
- 2016-12-13 CN CN201621367179.5U patent/CN206226155U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106533009A (en) * | 2016-12-13 | 2017-03-22 | 江苏瑞斯曼节能技术有限公司 | Novel permanent-magnet rotor and motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170606 Effective date of abandoning: 20181123 |