CN109639000A - A kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors - Google Patents
A kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors Download PDFInfo
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- CN109639000A CN109639000A CN201811561698.9A CN201811561698A CN109639000A CN 109639000 A CN109639000 A CN 109639000A CN 201811561698 A CN201811561698 A CN 201811561698A CN 109639000 A CN109639000 A CN 109639000A
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000004080 punching Methods 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 9
- 241000883990 Flabellum Species 0.000 claims description 4
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000006698 induction Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- 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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/46—Motors having additional short-circuited winding for starting as an asynchronous motor
-
- 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
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/136—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
-
- 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
Abstract
A kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors, including flameproof enclosure, stator module and the shaft for being equipped with permanent magnet rotor component, stator module is fixed in flameproof enclosure, and stator module includes stator core and stator coil, permanent magnet rotor component includes rotor core, starts cage item, magnet steel and nonmagnetic magnet steel pressing plate；Rotor core is coaxially stacked by rotor punching and forms and be fixed in shaft, and rotor punching is equipped with several magnetic slots for starting cage mounting groove and being distributed in W type.The flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors, pass through built-in magnetic line structure, magnetic slot is distributed in W type, have the advantages that tandem rotor structure and parallel rotor structure simultaneously, the magnet steel that can be installed on rotor assembly is more than series and parallel type magnetic structure, unloaded magnetic leakage factor is small, improves the globality and mechanical strength of rotor assembly, is suitable for bad working environments locating for explosion-proof motor.
Description
Technical field
The present invention relates to a kind of flame-proof type permanent-magnetic motor, in particular to a kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase is forever
Magnetic-synchro motor.
Background technique
Energy-saving and emission-reduction are the topics that the world today can not avoid, and affect the development of world economy.Electric system is made
For the emphasis of energy-saving and emission-reduction in industrial circle, energy-saving potential is very huge.Flame-Proof Three-Phase Induction Motors are widely used in stone
The industries such as oil, chemical industry, coal, equipment are mostly long-term continuous operations, and power consumption is huge.The main reason for power consumption is big first is that
Flame-Proof Three-Phase Induction Motors low efficiency itself, power factor are low, and efficiency and power factor are lower when the operation of low-load rate.
The efficiency for all having made middle-size and small-size motor in succession to the energy law of each advanced country, this world limits mandatory standard, China
Also efficiency limit standard has been formulated.
Asynchronous starting three-phase permanent-magnetic synchronous motors both have compared with threephase asynchronous in three-phase main-frequency alternating current
The ability of self start under source, and have the advantages that be more suitably applied to wide loading range internal efficiency is high, power factor is high
Some pairs of power conservation requirements are relatively high, such as using the occasion of blower, compressor and oil-field oil pumper.Therefore, petroleum, chemical industry,
The industries such as coal promote energy-efficient flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors substitution explosion-proof three-phase asynchronous electricity
The serious status of the industries waste of energy such as current China's oil, chemical industry or coal can be changed in motivation, is one and benefits the nation and the people, have compared with
The motor industrial upgrading activity of high social benefit.The direction for meeting national " energy conservation and environmental protection ", before having a wide range of applications
Scape.
Summary of the invention
The purpose of the present invention is in view of the above shortcomings of the prior art, provide a kind of 1 grade of efficiency flame-proof type asynchronous starting three
Phase permasyn morot meets the requirement of 1 grade of efficiency.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors, including flameproof enclosure, stator module and be equipped with forever
The shaft of magnetic rotor component, stator module are fixed in flameproof enclosure, and stator module includes stator core and stator coil, institute
Permanent magnet rotor component is stated to include rotor core, start cage item, magnet steel and nonmagnetic magnet steel pressing plate；
Rotor core is coaxially stacked by rotor punching and forms and be fixed in shaft, and rotor punching is equipped with several and starts cage item
Mounting groove and the magnetic slot being distributed in W type, magnetic slot are located at the radially inner side for starting cage mounting groove, and magnet steel is disposed in accordingly
In magnetic slot, the corresponding both ends for being disposed in rotor core of magnet steel pressing plate are simultaneously fixed by the stretching screw through rotor core；
It starts corresponding be disposed in of cage item to start in cage mounting groove, starts the radially distributed nearly outer circle in rotor punching of cage mounting groove
On all end faces, and the groove profile for starting cage mounting groove is convex flat-bottom slot.
The adjacent starting cage mounting groove is that not etc. the facewidth are not laid.
The magnetic slot in the distribution of W type includes several radial slots and is folded to slot, and radial slot is radially distributed, is folded to slot
It is distributed between adjacent radial slot, and encloses W type groove with adjacent radial slot.
The radial slot sets there are four and radially spaced is uniformly distributed.
Radially there are gaps between the radial slot and starting cage mounting groove, and referred to as magnetic bridge, the length of magnetic bridge
For 1.5 ~ 2.5mm.
It is additionally provided with cooling fan and fan housing outside the flameproof enclosure, and the flabellum angle of cooling fan is not set up separately not etc.
It sets, fan housing is corresponding to cooling fan to be arranged.
The stator core is made of cold rolled silicon steel sheet material 50W350, and the stator coil uses low harmonic winding knot
Structure.
The magnet steel uses permanent-magnet material.
The magnet steel uses permanent-magnet material N35SH.
The beneficial effects of the present invention are:
1) flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors, by built-in magnetic line structure, by magnetic slot in W type point
Cloth, while having the advantages that tandem rotor structure and parallel rotor structure, the magnet steel that can be installed on rotor assembly is than string
Connection formula and parallel magnetic structure are more, and unloaded magnetic leakage factor is small, improve the globality and mechanical strength of rotor assembly, are suitable for
Bad working environments locating for explosion-proof motor.
2) the flabellum angle of cooling fan is arranged using not equal part, and selects the fan housing being mutually arranged with cooling fan, reduces
Draft loss reduces ventilation noise.
3) power density is high, small in size, light-weight, compared with YB3 series Flame-Proof Three-Phase Induction Motors, identical base
Effective material used in number is less.
4) high efficiency has higher efficiency, together compared with same size YB3 series Flame-Proof Three-Phase Induction Motors
When economical operation range it is wide, energy conservation and consumption reduction effects are significant；Power factor is high, can reduce the consumption of quadergy.
5) explosion separation structure improves, and protective performance is good, and complete machine has IP66 degree of protection, highly-safe.
Detailed description of the invention
Fig. 1 is general assembly structural schematic diagram of the invention；
Fig. 2 is the assembling schematic diagram of shaft and rotor assembly；
Fig. 3 is the structural schematic diagram of rotor assembly；
Fig. 4 is the structural schematic diagram of rotor punching；
Fig. 5 is the structural schematic diagram of cooling fan.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
Please refer to Fig. 1.It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The revealed content of specification is not intended to limit the invention enforceable so that those skilled in the art understands and reads
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
It does not influence still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach
It obtains in the range of capable of covering.Meanwhile cited such as "upper", "lower", "left", "right", " centre " and " one " in this specification
Term, be merely convenient to being illustrated for narration, rather than to limit the scope of the invention, the change of relativeness or
Adjustment, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the present invention.
The present invention provides a kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors, such as Fig. 1 to Fig. 5 institute
Show.1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors, including flameproof enclosure 2, stator module 24 and be equipped with
The shaft 1 of permanent magnet rotor component 14, stator module 24 are fixed in flameproof enclosure 2, and stator module 24 includes stator core 241
With stator coil 242, in the present embodiment, the stator core 241 is made of cold rolled silicon steel sheet material 50W350, the stator
Coil 242 uses low harmonic winding structure.
The permanent magnet rotor component 14 includes rotor core, starts cage item 142, magnet steel 143 and nonmagnetic magnet steel pressure
Plate 144；Rotor core is coaxially stacked by rotor punching 141 and forms and be fixed in shaft 1, and rotor punching 141 is equipped with several
A magnetic slot for starting cage mounting groove 1411 and being distributed in W type, the diameter that magnetic slot is located at starting cage mounting groove 1411 are inside
Side, magnet steel 143 are disposed in corresponding magnetic slot, and magnet steel pressing plate 144 corresponds to the both ends for being disposed in rotor core and by passing through
The stretching screw 145 for wearing rotor core is fixed；It starts corresponding be disposed in of cage item 142 to start in cage mounting groove 1411, starts cage
Mounting groove 1411 is radially distributed on the nearly outer circumferential end face of rotor punching 141, and starts the slot of cage mounting groove 1411
Type is convex flat-bottom slot, enhances skin-effect and reaches effectively every magnetic, and starts cage item 142 and use cast aluminium formula.Preferably, described
Magnet steel 143 uses permanent-magnet material N35SH.
In the present embodiment, in order to weaken the torque for starting cage item 142, the adjacent starting cage mounting groove 1411 is not
Etc. the facewidth lay, i.e., adjacent width A, B started between cage mounting groove 1411 is different, as shown in figure 4, reduce cogging torque,
Reduce torque pulsation, and then keep its torque steady, while placing magnet steel 143 to provide enough space setting magnetic slots, rises
Dynamic 1411 height of cage mounting groove is smaller.
The magnetic slot in the distribution of W type includes several radial slots 1413 and is folded to slot 1412, and radial slot 1413 is along diameter
It to distribution, is folded to slot 1412 and is distributed between adjacent radial slot 1413, and enclose W type groove with adjacent radial slot 1413；
Preferably, the radial slot 1413 is equipped with several, and concrete foundation motor pole number is formulated, in the present embodiment, the radial slot
1413 set there are four and it is radially spaced be uniformly distributed, and radial slot 1413 and start cage mounting groove 1411 between radially there are
Gap, and referred to as magnetic bridge, as shown in arrow h in Fig. 4, the length of magnetic bridge is 1.5 ~ 2.5mm, improves magnetism isolating effect.It should be in W
The magnetic slot of type distribution, it has the advantages that tandem rotor structure and parallel rotor structure simultaneously, can be on rotor punching
The magnet steel of installation is more than series and parallel type magnetic structure, and unloaded magnetic leakage factor is small.
It when assembly, is inserted into the magnetic slot of rotor punching after magnet steel 143 is coated epoxy resin, then with from dry asphalt mixtures modified by epoxy resin
The vacant place of magnetic slot is filled up in rouge encapsulating, and magnet steel 143 is firmly secured to inside rotor punching 141, meanwhile, encapsulated epoxy resin
Be conducive to magnet steel heat dissipation, prevent hot-spot from generating demagnetization；And the both ends of rotor core are pressed with nonmagnetic magnet steel pressing plate 144
It covers and stretching screw 145 is used to tense, magnet steel 143 is thrown away when preventing from running at high speed, and further enhances the reliability of rotor assembly.
The magnetic structure selection of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors of the invention is built-in,
Magnet steel is installed in the rotor core started between cage item 142 and shaft 1, and axis inductor is greater than d-axis inductance, the magnetic circuit knot
Reluctance torque caused by the asymmetry of structure helps to improve the overload capacity and power density of motor, and the built-in magnetic
Line structure is simple and reliable, improves the globality and mechanical strength of rotor assembly, is suitable for severe work locating for explosion-proof motor
Condition.
Cooling fan 4 and fan housing 5 are additionally provided with outside the flameproof enclosure, and the flabellum angle of cooling fan 4 is used and differed
Set up separately and set, as shown in figure 5, and selecting the fan housing 5 being mutually arranged with cooling fan, reduction draft loss, reduction ventilation noise, this hair
After bright use new construction cooling fan 4 and fan housing 5, draft loss reduces 10-20%, and noise reduces 3-5dB (A).In addition, should
The flameproof enclosure of motor is explosion-proof, has enough intensity requirements, is suitable for petroleum, chemical industry or coal etc. and contains inflammable and explosive gas
The hazardous area of body or coal dust, and base 23 is that motor temperature is effectively reduced with the heat radiation type structure for increasing cooling surface area
It rises, and complete machine blast resistance construction is connected using seam allowance, and complete machine is made to have IP66 high-protection level, and efficiency average value is more domestic than at present
The efficiency of widely used YB3 Flame-Proof Three-Phase Induction Motors series averagely about improves 3.1%, meets the requirement of 1 grade of efficiency.
The words such as " first ", " second " have been used in this patent come if limiting components, those skilled in the art should
Know: the use of " first ", " second " is intended merely to facilitate the description present invention and simplifies description, and there is no special for above-mentioned word
Meaning.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement is both fallen within the scope of claimed invention.The claimed scope of the invention is by appended claims and is equal
Object defines.
In the description of the present invention, it is to be understood that, term "front", "rear", "left", "right", "center", etc. instructions
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is only that the present invention is described with simplified for ease of description,
Rather than indicate or imply signified device or element and must have a particular orientation, construct and operate for specific orientation, because
And it should not be understood as the limitation to present invention protection content.
Claims (9)
1. a kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors, including flameproof enclosure, stator module and installation
There is the shaft of permanent magnet rotor component, stator module is fixed in flameproof enclosure, and stator module includes stator core and stator line
Circle, it is characterised in that: the permanent magnet rotor component includes rotor core, starts cage item, magnet steel and nonmagnetic magnet steel pressing plate；
Rotor core is coaxially stacked by rotor punching and forms and be fixed in shaft, and rotor punching is equipped with several and starts cage item
Mounting groove and the magnetic slot being distributed in W type, magnetic slot are located at the radially inner side for starting cage mounting groove, and magnet steel is disposed in accordingly
In magnetic slot, the corresponding both ends for being disposed in rotor core of magnet steel pressing plate are simultaneously fixed by the stretching screw through rotor core；
It starts corresponding be disposed in of cage item to start in cage mounting groove, starts the radially distributed nearly outer circle in rotor punching of cage mounting groove
On all end faces, and the groove profile for starting cage mounting groove is convex flat-bottom slot.
2. a kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors according to claim 1, feature exist
It is that not etc. the facewidth are not laid in: the adjacent starting cage mounting groove.
3. a kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors according to claim 1, feature exist
In: the magnetic slot in the distribution of W type includes several radial slots and is folded to slot, and radial slot is radially distributed, is folded to slot distribution
W type groove is enclosed between adjacent radial slot, and with adjacent radial slot.
4. a kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors according to claim 3, feature exist
It sets there are four and radially spaced is uniformly distributed in: the radial slot.
5. a kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors according to claim 3, feature exist
In: the radial slot and starting between cage mounting groove that radially there are gaps, and referred to as magnetic bridge, the length of magnetic bridge is 1.5 ~
2.5mm。
6. a kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent according to any one of claims 1 to 5 synchronizes electronic
Machine, it is characterised in that: cooling fan and fan housing are additionally provided with outside the flameproof enclosure, and the flabellum angle of cooling fan is
Set up separately and set, fan housing is corresponding to cooling fan to be arranged.
7. a kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent according to any one of claims 1 to 5 synchronizes electronic
Machine, it is characterised in that: the stator core is made of cold rolled silicon steel sheet material 50W350, and the stator coil uses low harmony wave
Winding construction.
8. a kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors according to claim 6, feature exist
In: the magnet steel uses permanent-magnet material.
9. a kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors according to claim 7, feature exist
In: the magnet steel uses permanent-magnet material N35SH.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811561698.9A CN109639000A (en) | 2018-12-20 | 2018-12-20 | A kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors |
| PCT/CN2019/113823 WO2020125206A1 (en) | 2018-12-20 | 2019-10-29 | First-level energy-efficient flameproof asynchronous-starting three-phase permanent magnet synchronous electric motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811561698.9A CN109639000A (en) | 2018-12-20 | 2018-12-20 | A kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109639000A true CN109639000A (en) | 2019-04-16 |
Family
ID=66075834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811561698.9A Pending CN109639000A (en) | 2018-12-20 | 2018-12-20 | A kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109639000A (en) |
| WO (1) | WO2020125206A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125206A1 (en) * | 2018-12-20 | 2020-06-25 | 卧龙电气南阳防爆集团股份有限公司 | First-level energy-efficient flameproof asynchronous-starting three-phase permanent magnet synchronous electric motor |
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| CN109639000A (en) * | 2018-12-20 | 2019-04-16 | 卧龙电气南阳防爆集团股份有限公司 | A kind of 1 grade of efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors |
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2018
- 2018-12-20 CN CN201811561698.9A patent/CN109639000A/en active Pending
-
2019
- 2019-10-29 WO PCT/CN2019/113823 patent/WO2020125206A1/en active Application Filing
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| CN203537088U (en) * | 2013-11-11 | 2014-04-09 | 浙江建达电器有限公司 | Rotor punching, rotor and three-phase AC asynchronous starting permanent magnet synchronous motor |
| CN106712341A (en) * | 2015-08-03 | 2017-05-24 | 江苏华源防爆电机有限公司 | Flameproof self-starting permanent magnet synchronous motor |
| WO2017202316A1 (en) * | 2016-05-27 | 2017-11-30 | 比亚迪股份有限公司 | Double-antipode permanent magnet synchronous motor and electric vehicle |
| CN207801711U (en) * | 2017-12-20 | 2018-08-31 | 卧龙电气集团股份有限公司 | A kind of high-voltage explosion-proof frequency conversion drive three-phase permanent-magnetic synchronous motors |
| CN209072186U (en) * | 2018-12-20 | 2019-07-05 | 卧龙电气南阳防爆集团股份有限公司 | A kind of level-one efficiency flame-proof type asynchronous starting three-phase permanent-magnetic synchronous motors |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125206A1 (en) * | 2018-12-20 | 2020-06-25 | 卧龙电气南阳防爆集团股份有限公司 | First-level energy-efficient flameproof asynchronous-starting three-phase permanent magnet synchronous electric motor |
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| WO2020125206A1 (en) | 2020-06-25 |
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Address after: 473008 No. 1801 Dushan Avenue, Nanyang City, Henan Province Applicant after: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP CO., LTD. Applicant after: Wolong Electric Drive Group Co., Ltd. Address before: 473008 No. 1801 Dushan Avenue, Nanyang City, Henan Province Applicant before: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP CO., LTD. Applicant before: Wolong Electric Group Co., Ltd. |