CN106787354B - Direct-starting low-medium-high-voltage high-efficiency power generation multipurpose permanent magnet motor - Google Patents
Direct-starting low-medium-high-voltage high-efficiency power generation multipurpose permanent magnet motor Download PDFInfo
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- CN106787354B CN106787354B CN201610555604.1A CN201610555604A CN106787354B CN 106787354 B CN106787354 B CN 106787354B CN 201610555604 A CN201610555604 A CN 201610555604A CN 106787354 B CN106787354 B CN 106787354B
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- 238000009423 ventilation Methods 0.000 claims description 27
- 238000001914 filtration Methods 0.000 claims description 23
- 230000003014 reinforcing effect Effects 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 14
- 230000017525 heat dissipation Effects 0.000 claims description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 8
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- 239000010949 copper Substances 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 4
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Classifications
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- 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
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
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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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary 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
- 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
- H02K1/2713—Inner rotors the magnetisation axis of the magnets being axial, e.g. claw-pole type
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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
- H02K1/325—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium between salient poles
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- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a multipurpose permanent magnet motor with direct-starting low-medium-high-voltage high-efficiency power generation. Belongs to the technical field of permanent magnet motors. The motor solves the problems of low mechanical efficiency power factor, large no-load current, large noise, serious line loss, high cost, magnetic force deficiency and the like of the traditional motor. The main characteristics are: a radiating pipe is arranged in the air cooling tower and is matched with an axial flow or centrifugal fan and a dual-purpose axial flow centrifugal fan; radial axial air-cooled stator bar windings and radial axial air-cooled magnetic steel rotors; the axial flow or centrifugal fan and the dual-purpose axial flow centrifugal fan rotate on the same main shaft; the direct start power is three times of the insufficient rated power under the input voltage state of 380 to 10000 v; the no-load current of the motor is less than 3A, and the starting torque is more than 2 times of the design torque; the motor noise is 60 dB when the motor temperature rises to 50 ℃; the power factor and the motor efficiency are up to more than 98%. The permanent magnet motor is mainly used for the direct start low-medium-high-voltage high-efficiency power generation of vehicles, ships and industrial and mining enterprises.
Description
Technical Field
The invention belongs to the technical field of permanent magnet motors. The utility model relates to a general energy-saving product that uses in industrial and mining enterprises, replaces high three-phase asynchronous motor of traditional energy consumption directly opens low-middle high-efficient power multipurpose permanent magnet machine that generates electricity for high-speed railway motor car drive, pure electric vehicles drive, steamship drive, wind power generation, industrial and mining enterprises mechanical power etc. voltage also can be customized according to the design at 380V to 10000V, and power is 1kw to 1000kw, also can be customized according to the design.
Background
The three-phase asynchronous and exciting motor product in the current market has high energy consumption, high working machine body temperature and higher motor weight, and the working state causes the following phenomenon: firstly, the energy consumption of the direct starting and running conditions is high; secondly, the no-load current of the motor is high; thirdly, the starting torque is low; fourthly, the temperature of the working machine body is high; fifthly, the motor efficiency is low; sixth, the power factor is low; seventh, the motor separates magnetism inefficiency; eighth, the traditional mode of the product with higher motor weight does not create improvement and has high cost.
Disclosure of Invention
The invention aims to provide the direct-starting low-medium-high-voltage high-efficiency power generation multipurpose permanent magnet motor which is created by carrying out omnibearing innovation on the whole of the traditional three-phase asynchronous and exciting motor.
The technical scheme of the invention is as follows: the utility model provides a direct-starting low-medium-high-voltage high-efficient power multipurpose permanent magnet motor that generates electricity, includes shell, main shaft bearing assembly, stator and rotor, its characterized in that: the shell comprises radial steel plate brackets fixed at two ends of the main shaft bearing assembly, a motor frame plate, a motor main girder and a motor reinforcing girder which are connected between the radial steel plate brackets, a cooling tower which is arranged outside the motor frame plate and is formed by internally arranging cooling pipes, a centrifugal fan or an axial flow fan is arranged at one side end of the cooling tower, and a dual-purpose axial flow centrifugal fan is arranged at the other side end of the cooling tower; the stator is a stator iron core wire rod, a stator radial separation air gap ventilating duct is arranged in the radial direction, and the stator is fixed on a radial steel plate bracket through a stator axial fixing beam; the rotor is a radial circle and divided into four magnetic steel rotors which are divided into four poles, eight poles, sixteen poles, thirty-two poles and axial magnetic steel bars by analogy, the axial side of the magnetic steel bars is provided with a rotor magnetic steel radial separation air gap ventilation channel, the axial direction of the rotor is provided with a magnetism separation inserting plate groove and a magnetism separation inserting plate, the rotor is fixed on a main shaft of the main shaft bearing assembly through a magnetism separation shaft sleeve, the rotor is provided with a rotor radial separation air gap ventilation channel and a rotor axial separation air gap ventilation channel, two ends of the rotor are provided with magnetism separation sealing plates, and the magnetism separation shaft sleeve and the magnetism separation sealing plates are made of non-magnetic materials; an air gap is arranged between the stator and the rotor.
The technical proposal of the invention is that the inner side of the dual-purpose axial flow centrifugal fan is provided with a split flow baffle plate, and the outer side is provided with a two-stage conical air flow plate and a dust filtering net grid.
The invention makes the stator be radial axial self-circulation air-cooled stator, the rotor be permanent magnet steel radial axial self-circulation air-cooled rotor, the cooling mode be the scientific air-cooled cooling system of the inner and outer combined axial flow and centrifugal air-cooled mode, and the magnetism isolating mode be the radial axial magnetism isolating system. The result is that: 1. the air cooling heat dissipation efficiency is improved, and the design constant temperature is maintained; 2. the magnetism isolating system fully utilizes the magnetic efficiency to reduce the energy consumption; 3. the stability of the mechanical rotation speed is improved, and the mechanical efficiency is improved; 4. the omnibearing creation improvement increases the omnibearing technical performance; 5. the reduction of the body weight by 30% saves the cost expenditure and reduces the cost of removing the electronic technology and the micro-control technology components. And a perfect direct-start low-medium-high-voltage high-efficiency power generation multipurpose permanent magnet motor is explained.
The invention is not limited to a cooling mode of cooling by using external air cooling for the motor with the temperature below 100 kw.
The multipurpose permanent magnet motor for direct-starting low-medium-high-voltage high-efficiency power generation has excellent magnetic performance of rare earth permanent magnet materials, can establish a super-strong permanent magnetic field without external energy, and is used for replacing the multipurpose permanent magnet motor for direct-starting low-medium-high-voltage high-efficiency power generation manufactured in the electric excitation place of the traditional motor. The multipurpose permanent magnet motor for direct-starting low-medium-high-voltage high-efficiency power generation has the advantages of high efficiency, simple structure, small volume, light weight and reliable operation. The motor not only achieves high performance (such as high efficiency, high speed and high response speed) which is incomparable with the traditional three-phase asynchronous and exciting motor, but also can be manufactured into special motors which can meet specific operation requirements, such as high-speed rail motor car driving, ship driving, pure electric car driving, wind power generation, mechanical power of industrial and mining enterprises and the like. The direct-starting low-medium-high-voltage high-efficiency power generation multipurpose permanent magnet motor can save the cost of the electronic technology and the micro-control technology, can improve the performance level of the motor and a transmission system, is higher than the energy-saving level of other types of motors, and establishes an important technical platform for adjusting the industrial structure in the electromechanical industry.
The multipurpose permanent magnet motor for direct-starting low-medium-high-voltage high-efficiency power generation power has the characteristics that: firstly, the motor can be directly started under the input voltage state of more than 380V and 6000-10000V, the starting power is not three times of the rated power, the developed country needs nearly ten times, and the domestic motor needs more than ten times. The electric energy consumption is saved, auxiliary starting devices such as a soft starter and a frequency converter are not needed, the expense of an auxiliary motor system is saved, and the cost is reduced; secondly, the no-load current of the motor is less than 3A, the developed world is close to 13A, the traditional motor is close to 20A, and the motor is reduced by 10A and 17A; thirdly, the starting torque is more than 2 times of the design torque, and the developed state is 1.5 times of the starting torque and is 1.2 times of the traditional motor. The locked-rotor torque reaches 9975 mu; fourthly, the temperature of the motor rises by 45-60 ℃ and the noise of the motor is 60-70 dB, which is far lower than that of an alternating current asynchronous motor; fifthly, the motor efficiency is as high as 97% or more and higher than that of the traditional motor; sixthly, the average power factor is up to more than 98%, the well-known motor manufacturing enterprises in the developed world are 84.5%, and the average power factor is 13.5% higher; the motor is higher than the traditional motor by 23 percent at the lowest; seventhly, the motor magnetism isolating system is shielded, infrared rays are not generated during operation, and the explosion-proof performance is excellent. The multipurpose permanent magnet motor with the direct-starting low-medium-high-voltage high-efficiency power generation power has the advantages of high power factor, large magnetic field, strong torque, high efficiency, low no-load current, low temperature rise, low noise, wide application range and reduced cost of electronic technology and micro-control technology component removal.
The invention is mainly used for the direct-starting low-medium-high-voltage high-efficiency power generation multipurpose permanent magnet motor of automobiles, motor cars, ships and the like.
Drawings
Fig. 1 is a side view of the overall structure of the present invention.
Fig. 2 is a front view of the overall structure of the present invention.
Fig. 3 is a schematic view of the main frame structure of the present invention.
Fig. 4 is a schematic diagram of the overall structure of the magnetic steel rotor of the present invention.
Fig. 5 is a schematic view of an axial flow or centrifugal fan and a dual-purpose axial flow centrifugal fan according to the present invention.
Fig. 6 is a schematic view of an axial flow or centrifugal fan and a dual-purpose axial flow centrifugal fan according to the present invention.
Fig. 7 is a schematic view of an axial flow or centrifugal fan and a dual-purpose axial flow centrifugal fan according to the present invention.
Fig. 8 is a schematic view of the outline structure of the present invention.
Fig. 9 is a schematic view of the outline structure of the present invention.
Fig. 10 is a schematic view of the outline structure of the present invention.
In the figure: 1-cooling tower, 2-motor frame plate, 3-motor main girder, 4-motor reinforcing girder, 5-stator axial fixing girder, 6-rotor radial separation air gap ventilation channel, 7-rotor axial separation air gap ventilation channel, 8-magnetism isolating shaft sleeve, 9-key slot, 10-main shaft, 11-rotor magnetic steel radial separation air gap ventilation channel, 12-magnetic steel bar, 13-magnetism isolating insert plate slot and magnetism isolating insert plate, 14-stator iron core wire rod, 15-stator radial separation air gap ventilation channel, 16-host machine base, 17-foot bolt, 18-centrifugal fan or axial fan, 19-axial flow or centrifugal fan blade plate, 20-motor airflow circulation mixing cabin, 21-rotor axial separation air gap ventilation channel partition wall, 22-magnetism isolating seal plate, 23-split partition plates, 24-dual-purpose axial-flow centrifugal fans, 25, 26-conical air flow plates, 27, 28-dust filtering net grids, 29-air gaps, 30-radial steel plate supports, 31-stator cores, 32-stator bars, 33-magnetic steel strip sealing plates, 34-side main plates, 35, 36-side wall reinforcing plates, 37-reinforcing plates 38-axial-flow hot air flow ports, 39-axial-flow hot air flow port main beams, 40-dynamic balance weighting holes, 41-axial-flow hot air flow ports, 42-axial-flow or centrifugal air page plate supports, 43-middle main wall plates, 44-dual-purpose axial-flow centrifugal air page plate supports, 45-dual-purpose axial-flow centrifugal fan cold air flow ports, 46-dual-purpose axial-flow centrifugal fan cold air flow port main beams, 47-a cold air flow inlet of the dual-purpose axial flow centrifugal fan, 48-a cold air flow inlet sealing plate of the dual-purpose axial flow centrifugal fan, and 49-a main machine end cover; the device comprises a 50-bearing assembly, a bearing gland, a 51-host end cover fastening bolt, a 52-bearing gland fastening bolt, a 53-lifting lug, 54, 55, 56-dual-purpose axial flow centrifugal fan cold air flow inlet dust filtering net grid reinforcing beams, 57-dual-purpose axial flow centrifugal fan cold air flow outlet dust filtering net grid conical air flow directional plates, 58-dual-purpose axial flow centrifugal fan cold air flow inlet dust filtering net grid conical air flow directional plates, 59-dual-purpose axial flow centrifugal fan cold air flow inlet separating rings, 60-lead box distribution boxes, 61-dual-purpose axial flow centrifugal fan cold air flow inlet dust filtering net grids and 62-dual-purpose axial flow centrifugal fan cold air flow inlet dust filtering net grid conical air flow directional plates.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 10. The invention relates to a direct-starting low-medium-high-voltage high-efficiency power generation multipurpose permanent magnet motor which comprises a shell, a main shaft bearing assembly, a stator and a rotor. The housing comprises a radial steel plate bracket 30, a motor frame plate 2, a motor main girder 3, a motor reinforcing girder 4, a cooling tower 1, a centrifugal fan or an axial flow fan 18, a split flow baffle 23, a dual-purpose axial flow centrifugal fan 24 and a host base 16. Radial steel plate brackets 30 are fixed at both ends of the main shaft bearing assembly and serve to fix the stator core. The motor frame plate 2, the motor main girder 3 and the motor reinforcing girder 4 are connected between the radial steel plate brackets 30, the motor frame plate 2 is used as a supporting main framework of the motor to bear the whole motor torque action, the motor main girder 3 is used as a four-corner axial (longitudinal) supporting main framework of the motor to bear the axial motor body torque action, and the motor reinforcing girder 4 is used as a main supporting framework of the motor which is stable in the radial axial direction to bear the transmission and dispersion action of the radial axial torque. The cooling tower 1 is composed of internal radiating pipes and is arranged on the outer side of a motor frame plate 2, a centrifugal fan or an axial flow fan 18 is arranged at one side end of the cooling tower 1, a split flow baffle 23 and a dual-purpose axial flow centrifugal fan 24 are arranged at the other side end of the cooling tower 1, and two-stage conical airflow plates 25 and 26 and dust filtering grid 27 and 28 are arranged on the outer side of the dual-purpose axial flow centrifugal fan 24. The cooling tower 1 is used as a main air cooling system for reducing the working temperature of a main machine, and a radiating pipe is arranged in the cooling tower and is used as the main functions of an axial flow or centrifugal fan and a dual-purpose axial flow centrifugal fan for ventilation and air exchange to reduce the temperature. The centrifugal fan or axial fan 18 rotates coaxially as a motor to perform an air cooling function. The dividing wall 23 serves as a divided-chamber dividing. The dual-purpose axial flow centrifugal fan 24 is used for separating, conveying, guiding and transferring cold airflow and hot airflow. The tapered airflow plate 25 acts as a circulating flow direction of the hot airflow to mitigate the wind resistance. The tapered airflow plate 26 acts as a cold airflow circulation flow direction to mitigate windage. The dust-filtering screen grid 27 serves to block the entry of dirt and dust into the cooling tower. The dust screen grid 28 serves to block the entry of dirt and dust into the machine body. The stator is a stator iron core wire rod 14, a stator radial separation air gap ventilating duct 15 is radially arranged, the stator iron core wire rod 14 is fixed on a radial steel plate bracket 30 through a stator axial fixing beam 5, the stator axial fixing beam 5 is used as a stator fixing function, the stator iron core wire rod 14 comprises a stator iron core 31 and a stator wire rod 32 which are used as main components of starting operation of a motor, and the stator radial separation air gap ventilating duct 15 is used as an axial flow or centrifugal fan and a radial permeable airflow circulation channel of the dual-purpose axial flow centrifugal fan for reducing temperature. The stator core 31 serves as a core holder for the stator bar 32, and the stator bar 32 serves as a main component of the motor operation. The rotor is divided into four magnetic steel rotors which are divided into four poles, eight poles, sixteen poles, thirty-two poles and the like and are divided into thirty-two poles by axial magnetic steel bars 12, a rotor magnetic steel radial separation air gap ventilation channel 11 is arranged on the axis side of the magnetic steel bars 12, a magnetism isolating plugboard groove and a magnetism isolating plugboard 13 are arranged at the outer end of the rotor axial magnetic steel groove, the rotor is fixed on a main shaft 10 of the main shaft bearing assembly through the magnetism isolating shaft sleeve 8, a rotor radial separation air gap ventilation channel 6 and a rotor axial separation air gap ventilation channel 7 are arranged on the rotor, magnetism isolating sealing plates 22 are arranged at the two ends of the rotor, the magnetism isolating shaft sleeve 8 and the magnetism isolating sealing plates 22 are made of non-magnetic conductive materials, and the magnetism isolating shaft sleeve 8 serves as axial magnetism isolating and magnetic force effect increasing functions. The key groove 9 acts as a link between the main shaft 10 and the integral rotor, and the main shaft 10 is linked with power transmission and is driven to act as a target. The rotor radial separation air gap ventilating duct 6 is used as an axial flow or centrifugal fan and a radial permeable airflow and air flow circulating channel of a dual-purpose axial flow centrifugal fan to reduce the temperature. The rotor axial separation air gap ventilating duct 7 is used as an axial flow or centrifugal fan and a dual-purpose axial flow centrifugal fan axial permeable airflow air flow circulation channel to reduce temperature. The rotor magnetic steel radial separation air gap ventilating duct 11 is used as an axial flow or centrifugal fan and a dual-purpose axial flow centrifugal fan axial ventilation body airflow and airflow circulating channel to reduce the temperature of magnetic steel strips. The magnetic steel strips 12 act as the primary magnetic force source for the magnetic steel rotor. The outer end of the rotor magnetic steel groove is provided with a magnetism isolating insert plate groove and a magnetism isolating insert plate 13 which are used as magnetism isolating insert plates for fixing the magnetism steel bars. The host base 16 is used for fixing the motor when the motor works, and the footing bolts 17 are used for fixing the motor. The axial flow or centrifugal fan blades 19 act as a working element for the circulation of the passing airflow. The motor airflow and airflow circulation mixing cabin 20 is used for performing motor airflow and airflow mixing circulation cooling effects. The rotor axial separation air gap ventilating duct partition wall 21 is used for rotor magnetic steel magnetic force transmission and heat dissipation and temperature reduction of an axial ventilation air flow circulating channel of an axial ventilation centrifugal fan or a centrifugal fan and a dual-purpose axial ventilation centrifugal fan. The magnetic shielding plate 22 is made of non-magnetic material such as copper, aluminum alloy, engineering plastic or stainless steel as radial magnetic shielding effect to increase magnetic force effect. An air gap 29 is arranged between the stator and the rotor, and the air gap 29 can be used as a ventilation gap and a ventilation channel to reduce the temperature of the motor. The magnetic steel strip sealing plate 33 acts as a magnetism isolating and loss preventing and magnetic steel strip fixing. The dual-purpose axial-flow centrifugal fan 24 comprises a side main plate 34, side wall reinforcing plates 35 and 36, reinforcing plates 37, an axial-flow hot-air flow port main beam 39, an axial-flow or centrifugal fan blade plate 19, an axial-flow or centrifugal blade plate support 42, a middle main wall plate 43, a dual-purpose axial-flow centrifugal blade plate support 44, a dual-purpose axial-flow centrifugal fan cold-air flow port main beam 46 and a dual-purpose axial-flow centrifugal fan cold-air flow inlet seal plate 48. The side main plates 34 act as axial flow or centrifugal fan side wall main plates which support the overall axial flow or centrifugal fan action. The sidewall reinforcement plates 35, 36 serve as axial flow or centrifugal fan sidewall reinforcement torque action. The reinforcement plate 37 acts as an on-axis reinforcement torque. The axial flow hot air flow port 38 acts as an in-body hot air flow exhaust passage. The main beam 39 of the axial flow hot air flow port acts as a support for the axial flow hot air flow discharge plenum. The dynamic balance weight hole 40 serves as a rotor dynamic balance weight preformed hole. The axial flow hot air flow outlet 41 acts as an external passage for the hot air flow within the machine body to exit the machine body. The axial or centrifugal blade support 42 acts as a counterweight port for supporting the blades and rotor dynamic balance of the axial or centrifugal fan blade 19. The intermediate main wall plate 43 serves as an intermediate main wall plate of the dual-purpose axial-flow centrifugal fan and supports the integral dual-purpose axial-flow centrifugal fan to separate cold and hot air flow from the inlet mixing and discharging effects. The dual purpose axial flow centrifugal blade plate support 44 serves as a support blade plate and rotor dynamic balance weight port and enhances 16 tuyere torque action. The cold air flow port 45 of the dual-purpose axial flow centrifugal fan is used as a cold air flow channel for introducing heat dissipation mixed hot air flow into the machine body. The main beam 46 of the cold air flow port of the dual-purpose axial-flow centrifugal fan is used as a support function of a heat-dissipating mixed hot air flow channel for introducing cold air flow into the machine body. The cold air flow inlet 47 of the dual-purpose axial flow centrifugal fan acts as an inlet for the cold air flow. The cold air flow inlet seal plate 48 of the dual-purpose axial flow centrifugal fan serves as a separation function between the inlet of the cold air flow and the outlet of the hot air flow. The main machine end cover 49 and the main machine end cover fastening bolts 51 fix the overall rotor normal operation function. The bearing assembly and bearing gland 50 and bearing gland fastening bolts 52 secure the integral rotor to the host end cap. The lifting lug 53 plays a role of a lifting lug. The fan cold air flow inlet dust filtering net grille reinforcing beams 54, 55 and 56 are used for supporting hot air flow to be discharged out of the dust filtering net grille; the two-purpose axial-flow centrifugal fan cold air flow outlet dust filtering net grid conical air flow directional plate 57 is used for reducing wind resistance and directional diversion and preventing whirling; the conical airflow wind flow directional plate 58 of the dust filtering net grid at the cold airflow wind flow leading inlet of the dual-purpose axial flow centrifugal fan is used for reducing wind resistance and directional leading-in; the cold air flow inlet separating ring 59 of the dual-purpose axial flow centrifugal fan is used as an inlet for the cold air flow to isolate the action of hot air flow; the lead box distribution box 60 is used as a lead wire device and an external wire access function of a motor stator bar; the dual-purpose axial flow centrifugal fan cold air flow inlet dust filtering net grid 61 plays a role in blocking sundries; the dual-purpose axial-flow centrifugal fan cold air flow guiding inlet dust filtering net grid conical air flow directional plate 62 is used for reducing wind resistance and directional guiding.
The self-circulation air cooling assembly consists of an axial flow or centrifugal fan, a dual-purpose axial flow centrifugal fan and a heat dissipation cooling tower, and is arranged on the same shaft of the motor, and the axial flow or centrifugal fan and the dual-purpose axial flow centrifugal fan are simultaneously rotated under the working condition of the motor, so that internal and external airflow and air flows are circularly replaced according to the regular direction, and the internal hot airflow and air flows and the external cold airflow and air flows are taken away through the heat dissipation pipe and are mutually replaced to achieve the effects of heat dissipation, temperature reduction, magnetism protection and loss prevention.
The motor appearance structure comprises a heat dissipation cooling tower 1 serving as a main cooling system for reducing the working temperature of a host, wherein a heat dissipation pipe is arranged inside and is a main heat dissipation cooling device; the motor base 16 and the footing fixing bolts 17 serve as the integral motor base and fix the motor base bolt link; the host end cover 49 and the host end cover fastening bolt 51 serve as two end covers of the motor main body and serve as fixed bearings to be linked on the integral end cover; the bearing assembly and the bearing gland 50 serve as a direct fixed bearing and a main shaft on the main body end cover; the main body end cover bolt 49 is used as a sealing cover for linking the main body end cover 49; the main shaft 10 and the key groove key 9 are used as a load source to be linked with the main shaft; the bearing gland fastening bolts 52 serve as link body end cap fixing bolts; the motor base 16 is a bolt link of the motor integral base and the fixed motor base.
The magnetism isolating shaft sleeve is made of stainless steel or copper, and the magnetism isolating sealing plate and the magnetism isolating inserting plate are made of copper, aluminum alloy, engineering plastic or stainless steel which are made of non-magnetic materials. The magnetic isolation assembly is formed to protect the loss of magnetic force and increase the constant power and power.
A socket is formed between the outer end of the side surface of the rotor magnetic steel body and the plugboard, an air gap is formed by shrinking 3-10 mm, so that the discharge speed of air gap eddy current compression heat is increased, the magnetic force loss is reduced, diversion can be formed, the discharge of heat flow and the discharge speed of eddy current compression heat are accelerated, the temperature of a motor is reduced, the pressure on the surface of the rotor is reduced, the resistance of the rotating speed is reduced, the stability of the rotor is improved, the air gap tends to be uniform along the circumferential direction, the air gap magnetic density waveform is smooth, and the air gap magnetic field fluctuation is reduced; the waveform of the air gap magnetic field tends to be rectangular, the change of air gap magnetic resistance is reduced, the torque of the air gap magnetic resistance is weakened, the torque pulsation is reduced, the magnetic leakage of a magnet is reduced, the magnetic cutting torque between a rotor and a stator is increased, and the power and the mechanical efficiency are increased.
The stator magnetic steel radially separates the air gap ventilation channel 11; a magnetic steel bar 12; a magnetism isolating insert plate groove and a magnetism isolating insert plate 13; a stator iron core rod 14; the stator radially separates the air gap ventilation channels 15; a host base 16; a footing bolt 17; a centrifugal or axial fan 18; axial flow or centrifugal fan blades 19; a motor airflow and airflow circulation mixing cabin 20; the rotor axially separates the air gap airway partition wall 21; a magnetic shielding plate 22; a split-flow separator 23; a dual-purpose axial flow centrifugal fan 24; a conical airflow plate 25; a conical airflow plate 26; a dust filter screen grid 27; a dust filter screen grid 28; an air gap 29; a radial steel plate bracket 30; a stator core 331; a stator bar 32; a magnetic steel strip seal plate 33; a side main board 34; a side wall reinforcing plate 35; a side wall reinforcing plate 36; a reinforcing plate 37; an axial flow hot gas flow port 38; a main beam 39 of an axial flow hot air flow port; a dynamic balance weight hole 40; an axial flow hot air flow outlet 41; an axial or centrifugal vane support 42; an intermediate main wall panel 43; a dual-purpose axial flow centrifugal fan blade support 44; a dual-purpose axial flow centrifugal fan cold air flow port 45; a dual-purpose axial flow centrifugal fan cold air flow port main beam 46; a cold air flow air inlet 47 of the dual-purpose axial flow centrifugal fan; the cold air flow of the dual-purpose axial flow centrifugal fan is led to the inlet sealing plate 48; a host end cap 49; a bearing assembly and bearing gland 50; host end cap fastening bolts 51; bearing gland fastening bolts 52; lifting lugs 53; dual-purpose axial-flow centrifugal fan cold air flow inlet dust filtering net grid reinforcing beams 54, 55 and 56; a two-purpose axial-flow centrifugal fan cool air flow outlet dust-filtering mesh grid conical air flow direction plate 57; the cold air flow of the dual-purpose axial flow centrifugal fan is led to the conical air flow direction plate 58 of the dust filtering net grid at the inlet; the cold air flow of the dual-purpose axial flow centrifugal fan is led to the inlet separating ring 59; a lead box distribution box 60; a dual-purpose axial-flow centrifugal fan cold air flow inlet dust-filtering screen grid 61; the cold air flow of the dual-purpose axial flow centrifugal fan is led to the conical air flow direction plate 62 of the inlet dust filtering net grid.
Working principle:
When the radial-axial air-cooled stator bar winding 14 is input into a power supply, the radial-axial air-cooled stator bar winding and the matched radial-axial air-cooled magnetic steel rotors 6, 7, 8, 9, 10, 11, 12 and 13 are integrally interacted to generate electromagnetic torque, so that the matched magnetic steel rotors 6, 7, 8, 9, 10, 11, 12 and 13 are driven to rotate, and electric energy is generated while electric energy is converted into mechanical energy.
The axial flow or centrifugal fans and the dual-purpose axial flow centrifugal fans 18, 19 and 24 rotate on the same main shaft 10 at the same time, and ventilation channels are arranged at corresponding positions of the integral cover plates on opposite sides of the dual-purpose axial flow centrifugal fans 18, 19, 24, 25 and 26 and the dust filtering net grids 27 and 28, so that cold and hot air flow is naturally pumped to reach the cooling tower 1 (mixing and introducing and discharging in the tower, and the cooling tower is internally provided with cooling pipe inner pipes, and the air flow cooling effect of circulating pumping air flow flows of the hot air flow flows through 6, 7 and 15 by the axial flow or centrifugal fans 18, 19 and 24 blowing the hot air flow.
The spindle 10 outputs torque to the link load power key shaft to rotate with the associated mechanical shaft. Under the action of external force, in the integral rotation process of the matched radial and axial air-cooled magnetic steel rotors 6, 7, 8, 9, 10, 11, 12 and 13, the matched magnetic steel rotors cut magnetic force lines in a magnetic field formed by the matched power stator bar windings 14 to generate induced currents, and the induced currents are led out from the matched power stator bar windings 14, so that mechanical energy is simultaneously converted into electric energy; can also be used as a generator.
The magnetism isolating shaft sleeve 8 is made of stainless steel or copper, the magnetism isolating sealing plate 22 and the magnetism isolating inserting plate 22 are made of non-magnetic materials such as copper materials, aluminum alloy materials, engineering plastics or stainless steel, and form a magnetism isolating system to protect magnetic force loss and increase the constant power and power holding balance.
The host base 16 is used as a motor for fixing when doing work; the foot bolts 17 act as a fixed motor.
The axial flow fans 18, 19 and 24 are used as circulating acting components which coaxially rotate under the working condition of a motor to finish the transmission of blowing hot air flow to send out hot air flow, so as to play a role in air cooling; the motor airflow and airflow circulation mixing cabin 20 is used for performing the motor airflow and airflow mixing circulation cooling function; the rotor axial separation air gap ventilating duct partition wall 21 is used for rotor magnetic steel magnetic force transmission and dual-purpose axial flow centrifugal fan axial ventilation body airflow and airflow circulation channel heat dissipation and temperature reduction; the cold air flow and hot air flow diversion partition plate 23 acts as a sub-chamber diversion function; the dual-purpose axial flow centrifugal fan 24 is used for separating, conveying, guiding and transferring cold airflow and hot airflow; the conical hot air flow plate 25 acts as a hot air flow circulation flow direction for reducing wind resistance; the conical cold air flow plate 26 acts as a cold air flow circulation flow direction for reducing wind resistance; the dust filtering screen grids 27 are used for preventing miscellaneous dust and impurities from entering the cold air tower; the dust filter screen grid 28 is used for preventing miscellaneous dust and impurities from entering the machine body; the stator-rotor air gap 229 can also serve as a ventilation gap and can also serve as a ventilation channel to reduce the temperature of the motor.
The main shaft rotates to complete the blowing hot air flow to be discharged out of the main heat discharging port and to be partially sent into the cooling tower through the components 1, 6, 7, 11, 18, 19, 20, 24, 25 and 26. When the main shaft rotates, the components 1, 6, 7, 11, 18, 19, 20, 24, 25 and 26 can complete centrifugal pumping to discharge hot air current. The main shaft rotates through the components 1, 6, 7, 11, 18, 19, 20, 24, 25 and 26, and can complete the cold air flow to be introduced into the cooling tower to achieve the purpose of cooling. The invention can reduce the temperature of the stator rotor magnetic steel body, avoid magnetic force loss, and simultaneously achieve the aim of creating the innovation of the traditional motor.
The profile air cooling system is formed by 1, 6, 7, 11, 18, 19, 20, 24, 25 and 26 components.
By arranging a group of 'diversion elements' in a reflux mode at the corresponding positions of 13 and 22 to act as a reflux starting motor, the starting current can be reduced by several times.
Examples the invention, made as described above, does achieve the following objects: firstly, the motor can be directly started in the input voltage state of more than 380V and 6000-10000V, the starting power is not three times of the rated power, the electric energy consumption is saved, auxiliary starting devices such as a soft starter and a frequency converter are not needed, the expenditure of an auxiliary system of the motor is saved, and the cost is reduced; secondly, the no-load current of the motor is less than 3A, and the motor is reduced by 17A according to the traditional motor; and thirdly, the starting torque is more than 2 times of the design torque and is 1.2 times of that of the traditional motor. The locked-rotor torque reaches 9975 mu; fourthly, the temperature of the motor rises by 45-60 ℃ and the noise of the motor is 60-70 dB, which is far lower than that of an alternating current asynchronous motor; fifthly, the motor efficiency is as high as 97% or more and higher than that of the traditional motor; sixthly, the average power factor is up to more than 98 percent, which is higher than the traditional motor by 23 percent at the lowest; seventhly, the motor magnetism isolating system is shielded, infrared rays are not generated during operation, and the explosion-proof performance is excellent. The multipurpose rare earth permanent magnet motor with direct-starting low-medium-high-voltage high-efficiency power generation has the advantages of high power factor, large magnetic field, strong torque, high efficiency, low no-load current, low temperature rise, low noise, wide application range and reduced cost of electronic technology and micro-control technology component removal.
The invention truly achieves the aim of innovation and creation of the traditional motor.
The invention can be a direct-starting low-medium-high-voltage high-efficiency power generation multipurpose permanent magnet motor with various levels of power (1 kw-10000 kw or more).
Claims (1)
1. The utility model provides a direct-starting low-medium-high-voltage high-efficient power multipurpose permanent magnet motor that generates electricity, includes shell, main shaft bearing assembly, stator and rotor, its characterized in that: the shell comprises radial steel plate brackets (30) fixed at two ends of the main shaft bearing assembly, a motor frame plate (2), a motor main girder (3) and a motor stiffening girder (4) which are connected between the radial steel plate brackets (30), a cooling tower (1) which is arranged outside the motor frame plate (2) and is formed by internally provided with radiating pipes, a centrifugal fan or an axial flow fan (18) is arranged at one side end of the cooling tower (1), a dual-purpose axial flow centrifugal fan (24) is arranged at the other side end of the cooling tower (1), and the cooling tower (1) is a main air cooling system for reducing the working temperature of a host; the stator is a stator iron core wire rod (14), a stator radial separation air gap ventilating duct (15) is radially arranged, and the stator is fixed on a radial steel plate bracket (30) through a stator axial fixing beam (5); the rotor is a radial circle and comprises four magnetic steel rotors which are divided into four poles or eight poles or sixteen poles or thirty-two axial magnetic steel bars (12) which are divided into thirty-two poles, a rotor magnetic steel radial separation air gap ventilation channel (11) is arranged on the axis side of the magnetic steel bars (12), a magnetism separation inserting plate groove and a magnetism separation inserting plate (13) are axially arranged on the rotor magnetic steel, the rotor is fixed on a main shaft (10) of a main shaft bearing assembly through a magnetism separation shaft sleeve (8), a rotor radial separation air gap ventilation channel (6) and a rotor axial separation air gap ventilation channel (7) are arranged on the rotor, magnetism separation sealing plates (22) are arranged at two ends of the rotor, and the magnetism separation shaft sleeve (8) and the magnetism separation sealing plates (22) are made of non-magnetic conductive materials; an air gap (29) is arranged between the stator and the rotor; the inner side of the dual-purpose axial flow centrifugal fan (24) is provided with a split flow baffle (23), and the outer side of the dual-purpose axial flow centrifugal fan is provided with two-stage conical air flow plates (25, 26) and dust filtering grid (27, 28); the dual-purpose axial flow centrifugal fan (24) structure comprises a side main plate (34), side wall reinforcing plates (35, 36), reinforcing plates (37), an axial flow hot air flow port (38), an axial flow hot air flow port main beam (39), an axial flow or centrifugal fan blade plate (19), an axial flow hot air flow outlet (41), an axial flow or centrifugal blade plate bracket (42), a middle main wall plate (43), a dual-purpose axial flow centrifugal blade plate bracket (44), a dual-purpose axial flow centrifugal fan cold air flow port (45), a dual-purpose axial flow centrifugal fan cold air flow port main beam (46), a dual-purpose axial flow centrifugal fan cold air flow port guide inlet (47) and a dual-purpose axial flow centrifugal fan cold air flow port seal plate (48); the side main plate (34) is used as an axial flow or centrifugal fan side wall main plate and supports the integral axial flow or centrifugal fan to act; the side wall reinforcing plates (35, 36) act as axial flow or centrifugal fan side wall reinforcing torque; the reinforcing plate (37) acts as an on-axis reinforcing torque; the axial flow hot air flow port (38) is used as an air flow discharging channel of the hot air flow in the machine body; the main beam (39) of the axial-flow hot air flow port is used as the supporting function of the axial-flow hot air flow discharge ventilating duct; the axial flow hot air flow outlet (41) is used as an external channel of the body for discharging hot air flow in the body; the axial flow or centrifugal fan blade support (42) is used for supporting the blade plate of the axial flow or centrifugal fan blade (19) and the dynamic balance weight hole of the rotor; the middle main wall plate (43) is used as a middle main wall plate of the dual-purpose axial flow centrifugal fan and supports the integral dual-purpose axial flow centrifugal fan to separate cold and hot air flow and lead in and out the mixed air flow; the dual-purpose axial flow centrifugal blade plate bracket (44) is used for supporting the blade plate and the rotor dynamic balance weight hole and enhancing the torque effect of the air port; a cold air flow port (45) of the dual-purpose axial flow centrifugal fan is used as a cold air flow to be introduced into a heat dissipation mixed hot air flow channel in the machine body for acting; a cold air flow port main beam (46) of the dual-purpose axial flow centrifugal fan is used as a cold air flow to be introduced into a heat dissipation mixed hot air flow channel in the machine body for supporting; a cold air flow guiding inlet (47) of the dual-purpose axial flow centrifugal fan is used as an inlet of the cold air flow; the cold air flow inlet sealing plate (48) of the dual-purpose axial flow centrifugal fan is used for separating an inlet of the cold air flow from an outlet of the axial flow hot air flow.
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB672489A (en) * | 1949-06-28 | 1952-05-21 | Allis Chalmers Mfg Co | Improvements in or relating to totally enclosed dynamoelectric machines |
| GB1170754A (en) * | 1966-06-30 | 1969-11-19 | Ass Elect Ind | Improvements in or relating to the cooling of large electrical generators |
| JP2000152563A (en) * | 1998-11-09 | 2000-05-30 | Railway Technical Res Inst | Totally enclosed cooling type dynamo electric machine |
| JP2000166156A (en) * | 1998-11-24 | 2000-06-16 | Hitachi Ltd | Rotating electric machine and manufacture of magnetic wedge used therefor |
| JP2005130693A (en) * | 2003-10-02 | 2005-05-19 | Toshiba Corp | Fully-enclosed motor |
| CN101640450A (en) * | 2008-07-29 | 2010-02-03 | 株式会社日立制作所 | Sealed type electric rotating machine |
| CN201656725U (en) * | 2010-02-05 | 2010-11-24 | 杨森 | High-voltage permanent magnet synchronous self-starting motor |
| CN102340206A (en) * | 2011-09-28 | 2012-02-01 | 王子齐 | AC (Alternating Current) and DC (Direct Current) integrated permanent-magnet super-energy power motor integrating functions of dragging, frequency converting and speed regulating for vehicles and ships |
| CN102611229A (en) * | 2012-03-31 | 2012-07-25 | 永济新时速电机电器有限责任公司 | Air-to-air cooling double-fed asynchronous wind driven generator |
| CN102723834A (en) * | 2012-04-25 | 2012-10-10 | 山西北方机械制造有限责任公司 | Permanent magnet synchronous motor |
| DE102013100453A1 (en) * | 2012-11-29 | 2014-06-05 | Vem Motors Gmbh | Internal cooling circuit system for rotating type electric machine e.g. electric motor, has dual-fan that drives stator cooling channel flow, and twisting unit that is provided at short-circuit ring of rotor |
| CN104702011A (en) * | 2013-12-09 | 2015-06-10 | 株式会社安川电机 | Rotor of rotating electrical machine and rotating electrical machine |
| CN105245042A (en) * | 2015-11-03 | 2016-01-13 | 中科盛创（青岛）电气股份有限公司 | Inner wind path structure of permanent magnet wind driven generator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010097837A1 (en) * | 2009-02-27 | 2010-09-02 | 株式会社日立製作所 | Permanent magnet generator |
-
2016
- 2016-07-15 CN CN201610555604.1A patent/CN106787354B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB672489A (en) * | 1949-06-28 | 1952-05-21 | Allis Chalmers Mfg Co | Improvements in or relating to totally enclosed dynamoelectric machines |
| GB1170754A (en) * | 1966-06-30 | 1969-11-19 | Ass Elect Ind | Improvements in or relating to the cooling of large electrical generators |
| JP2000152563A (en) * | 1998-11-09 | 2000-05-30 | Railway Technical Res Inst | Totally enclosed cooling type dynamo electric machine |
| JP2000166156A (en) * | 1998-11-24 | 2000-06-16 | Hitachi Ltd | Rotating electric machine and manufacture of magnetic wedge used therefor |
| JP2005130693A (en) * | 2003-10-02 | 2005-05-19 | Toshiba Corp | Fully-enclosed motor |
| CN101640450A (en) * | 2008-07-29 | 2010-02-03 | 株式会社日立制作所 | Sealed type electric rotating machine |
| CN201656725U (en) * | 2010-02-05 | 2010-11-24 | 杨森 | High-voltage permanent magnet synchronous self-starting motor |
| CN102340206A (en) * | 2011-09-28 | 2012-02-01 | 王子齐 | AC (Alternating Current) and DC (Direct Current) integrated permanent-magnet super-energy power motor integrating functions of dragging, frequency converting and speed regulating for vehicles and ships |
| CN102611229A (en) * | 2012-03-31 | 2012-07-25 | 永济新时速电机电器有限责任公司 | Air-to-air cooling double-fed asynchronous wind driven generator |
| CN102723834A (en) * | 2012-04-25 | 2012-10-10 | 山西北方机械制造有限责任公司 | Permanent magnet synchronous motor |
| DE102013100453A1 (en) * | 2012-11-29 | 2014-06-05 | Vem Motors Gmbh | Internal cooling circuit system for rotating type electric machine e.g. electric motor, has dual-fan that drives stator cooling channel flow, and twisting unit that is provided at short-circuit ring of rotor |
| CN104702011A (en) * | 2013-12-09 | 2015-06-10 | 株式会社安川电机 | Rotor of rotating electrical machine and rotating electrical machine |
| CN105245042A (en) * | 2015-11-03 | 2016-01-13 | 中科盛创（青岛）电气股份有限公司 | Inner wind path structure of permanent magnet wind driven generator |
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