CN103812249A - Variable frequency motor - Google Patents
Variable frequency motor Download PDFInfo
- Publication number
- CN103812249A CN103812249A CN201410064042.1A CN201410064042A CN103812249A CN 103812249 A CN103812249 A CN 103812249A CN 201410064042 A CN201410064042 A CN 201410064042A CN 103812249 A CN103812249 A CN 103812249A
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- Prior art keywords
- frequency motor
- motor
- rotor
- housing
- control chip
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- 230000005405 multipole Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000008676 import Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a variable frequency motor and relates to the field of motors. The variable frequency motor comprises a shell, a stator and a rotating shaft, the stator is mounted in the shell, an end cover is mounted at each of two ends of the shell, wherein the end cover comprises a front cover and a rear cover; the rotating shaft is provided with a rotor, and the rotor is a multi-polar magnetic ring which is made of permanent magnet oxysome; a coil winds the stator; the rear cover is provided with a radiating hood; an air blower and a fan are mounted in the radiating hood; the shell is provided with a control junction box which is connected with the coil; an IC control chip, an inverting tube and a buffer circuit are mounted in the control junction box; the inverting tube and the buffer circuit are connected with the IC control chip in series after being connected in parallel. The integrated design performance of the multi-polar magnetic ring of the rotor is reliable, and the mounting difficulty is low; the SPWM operation of the IC control chip and the inverting buffer of the inverting tube and the buffer circuit are capable of generating electric parameters with adjustable frequency, and the electric parameters are capable of realizing the regulation for the motor rotating speed after being input to the motor; the variable frequency motor saves energy, is effective, and is compact in structure.
Description
Technical field
The invention belongs to machine field, relate in particular to a kind of variable-frequency motor.
Background technology
Along with the development of power electronic technology, motor application demand in many industries is higher, particularly variable-frequency motor is with its intelligent control, the advantages such as production capacity high efficiency and device miniaturization, make its application at field of industrial production also increasingly extensive, application number 201220313814.7 discloses a kind of variable-frequency motor, comprise machine barrel, in described machine barrel, be plugged with rotating shaft, in described rotating shaft, cover has rotor, described rotor overcoat has stator, on described stator, be wound with coil, described machine barrel is provided with and is attached thereto logical terminal box, in described terminal box, be provided with terminal block, described terminal block is connected with coil, the afterbody of described rotating shaft is located by bonnet mutually with machine barrel, described bonnet is provided with fan housing, in described fan housing, be provided with blower fan, on described blower fan, cover has fan blade, described blower fan is by the control of blower fan terminal block.Frequency conversion motor structure compactness, easy to operate, excellent heat dissipation performance, improving product performance, increase the service life, but in this invention rotor, required armature quantity is more and packing density is high, and for the assembling of motor has brought inconvenience, and the magnetic of permanent magnet requires different, make installation specification higher, motor lacks the control module of frequency control simultaneously, cannot reach energy-efficient effect, and engineering practicability is poor.
Summary of the invention
The object of the present invention is to provide a kind of variable-frequency motor, to solve the above-mentioned multinomial defect causing in prior art.
A kind of variable-frequency motor, comprise housing, be located at stator and rotating shaft in housing, described housing two ends are equipped with end cap, be respectively protecgulum and bonnet, described rotating shaft is provided with rotor, described rotor is multi-pole magnet-ring, material is permanent magnet oxysome, on described stator, be wound with coil, described bonnet is provided with heat dissipating housing, in described heat dissipating housing, be provided with blower fan and fan, described housing is provided with the control terminal box being connected with coil, in described control terminal box, be provided with IC control chip, inversion pipe and buffer circuit, the reference frequency output of described IC control chip is 5～100Hz, after described inversion pipe and buffer circuit parallel connection, be serially connected on IC control chip, described heat dissipating housing is provided with terminal block.
Preferably, in described protecgulum and bonnet, be equipped with bearing.
Preferably, described rotating shaft is provided with oil scraper ring.
Preferably, described heat dissipating housing surface is provided with fin, and described fin thickness is 1.2～1.4mm.
Preferably, described blower fan is fixed on bonnet by bracket.
The invention has the advantages that: described rotor is the multi-pole magnet-ring of permanent magnet oxysome, the structural design performance of its one is more reliable, can reduce the installation difficulty of rotor simultaneously, described coil is input to IC control chip through controlling terminal box by electric parameter, by after the SPWM computing of IC control chip through inversion pipe and buffer circuit in parallel, thereby produce the adjustable electric parameter of frequency, import to the adjusting of realization to motor speed in motor, can increase motor speed adjustable extent, simultaneously can be according to external loading size self-regulating rotary speed, efficient energy-saving and compact conformation, the break-make of described terminal block control blower fan electric current, described blower fan drive fan is rotated and form thermal convection, reduce motor internal temperature, make machine operation more reliable, in described protecgulum and bonnet, be equipped with bearing, for rotating shaft provides support, can reduce contact friction simultaneously, rotating shaft is rotated more steady, described rotating shaft is provided with oil scraper ring, avoid the fluid in motor to sputter out, and improve the sealing of motor, described heat dissipating housing surface is provided with fin, described fin thickness is 1.2～1.4mm, can increase the contact area of heat dissipating housing, improve the radiating rate of motor, make machine operation more reliable, described blower fan is fixed on bonnet by bracket, make motor overall structure compacter, and improve radiating effect because spacing is little, also easy disassembly simultaneously.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of variable-frequency motor of the present invention.
Fig. 2 is the schematic diagram of a kind of variable-frequency motor of the present invention.
Wherein: 1-housing, 2-stator, 3-rotating shaft, 4-protecgulum, 5-bonnet, 6-rotor, 7-coil, 8-heat dissipating housing, 9-blower fan, 10-fan, 11-controls terminal box, 12-IC control chip, 13-inversion pipe, 14-buffer circuit, 15-terminal block, 16-bearing, 17-oil scraper ring, 18-fin, 19-bracket.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below in conjunction with embodiment, further set forth the present invention.
As depicted in figs. 1 and 2, a kind of variable-frequency motor, comprise housing 1, be located at stator 2 and rotating shaft 3 in housing 1, described housing 1 two ends are equipped with end cap, be respectively protecgulum 4 and bonnet 5, described rotating shaft 3 is provided with rotor 6, described rotor 6 is multi-pole magnet-ring, material is permanent magnet oxysome, on described stator 2, be wound with coil 7, described bonnet 5 is provided with heat dissipating housing 8, in described heat dissipating housing 8, be provided with blower fan 9 and fan 10, described housing 1 is provided with the control terminal box 11 being connected with coil 7, in described control terminal box 11, be provided with IC control chip 12, inversion pipe 13 and buffer circuit 14, the reference frequency output of described IC control chip 12 is 5～100Hz, after described inversion pipe 13 and buffer circuit 14 parallel connections, be serially connected on IC control chip 12, described heat dissipating housing 8 is provided with terminal block 15, switch on power and can produce alternating magnetic field to coil 7 on described stator 2, thereby drive the rotor 6 of multi-pole magnet-ring to rotate, for rotating shaft 3 provides rotating speed and torque, described rotor 6 is the multi-pole magnet-ring of permanent magnet oxysome, the structural design performance of its one is more reliable, can reduce the installation difficulty of rotor 6 simultaneously, described coil 7 is input to IC control chip 12 through controlling terminal box 11 by electric parameter, by after the SPWM computing of IC control chip 12 through inversion pipe 13 in parallel and buffer circuit 14, thereby produce the adjustable electric parameter of frequency, import to the adjusting of realization to motor speed in motor, can increase motor speed adjustable extent, simultaneously can be according to external loading size self-regulating rotary speed, efficient energy-saving and compact conformation, described terminal block 15 is controlled the break-make of blower fan 9 electric currents, described blower fan 9 drive fan 10 are rotated and form thermal convection, reduce motor internal temperature, make machine operation more reliable.
It should be noted that in described protecgulum 4 and bonnet 5 and be equipped with bearing 16, for rotating shaft 3 provides support, can reduce contact friction, rotating shaft 3 is rotated more steady simultaneously.
In addition, described rotating shaft 3 is provided with oil scraper ring 17, avoid the fluid in motor to sputter out, and improve the sealing of motor, described heat dissipating housing 8 surfaces are provided with fin 18, and described fin 18 thickness are 1.2～1.4mm, can increase the contact area of heat dissipating housing 8, improve the radiating rate of motor, made machine operation more reliable.
In the present embodiment, described blower fan 9 is fixed on bonnet 5 by bracket 19, makes motor overall structure compacter, and has improved radiating effect because spacing is little, also easy disassembly simultaneously.
Based on above-mentioned, rotor is the multi-pole magnet-ring of permanent magnet oxysome, the structural design performance of its one is more reliable, can reduce the installation difficulty of rotor simultaneously, coil is input to IC control chip through controlling terminal box by electric parameter, by after the SPWM computing of IC control chip through inversion pipe and buffer circuit in parallel, thereby produce the adjustable electric parameter of frequency, import to the adjusting of realization to motor speed in motor, can increase motor speed adjustable extent, simultaneously can be according to external loading size self-regulating rotary speed, efficient energy-saving and compact conformation, the break-make of terminal block control blower fan electric current, blower fan drive fan is rotated and form thermal convection, reduce motor internal temperature, make machine operation more reliable.
As known by the technical knowledge, the present invention can realize by other the embodiment that does not depart from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, and is not only.Within the scope of the present invention all or be all included in the invention in the change being equal in scope of the present invention.
Claims (5)
1. a variable-frequency motor, comprise housing, be located at stator and rotating shaft in housing, it is characterized in that: described housing two ends are equipped with end cap, comprise protecgulum and bonnet, described rotating shaft is provided with rotor, described rotor is multi-pole magnet-ring, material is permanent magnet oxysome, on described stator, be wound with coil, described bonnet is provided with heat dissipating housing, in described heat dissipating housing, be provided with blower fan and fan, described housing is provided with the control terminal box being connected with coil, in described control terminal box, be provided with IC control chip, inversion pipe and buffer circuit, the reference frequency output of described IC control chip is 5～100Hz, after described inversion pipe and buffer circuit parallel connection, be serially connected on IC control chip, described heat dissipating housing is provided with terminal block.
2. a kind of variable-frequency motor according to claim 1, is characterized in that: in described protecgulum and bonnet, be equipped with bearing.
3. a kind of variable-frequency motor according to claim 1, is characterized in that: described rotating shaft is provided with oil scraper ring.
4. a kind of variable-frequency motor according to claim 1, is characterized in that: described heat dissipating housing surface is provided with fin, and described fin thickness is 1.2～1.4mm.
5. a kind of variable-frequency motor according to claim 1, is characterized in that: described blower fan is fixed on bonnet by bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064042.1A CN103812249A (en) | 2014-02-21 | 2014-02-21 | Variable frequency motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064042.1A CN103812249A (en) | 2014-02-21 | 2014-02-21 | Variable frequency motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103812249A true CN103812249A (en) | 2014-05-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410064042.1A Pending CN103812249A (en) | 2014-02-21 | 2014-02-21 | Variable frequency motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103812249A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065221A (en) * | 2014-05-30 | 2014-09-24 | 六安泰力电机有限责任公司 | Series YVF3 special three-phase asynchronous motor with ultra-high-efficient frequency control |
| CN110455597A (en) * | 2019-08-30 | 2019-11-15 | 聊城华勉环保科技有限公司 | A kind of flue gas preprocessor |
| CN111917263A (en) * | 2020-08-28 | 2020-11-10 | 上海莘汭驱动技术有限公司 | Permanent magnet alternating current servo motor |
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|---|---|---|---|---|
| CN2877131Y (en) * | 2006-03-16 | 2007-03-07 | 辽宁荣信电力电子股份有限公司 | Traction frequency changer |
| CN101348215A (en) * | 2008-09-22 | 2009-01-21 | 北京运达伟业科贸有限责任公司 | Velocity modulation fuel saving diesel-electric set electric supply tyre type gantry container crane |
| CN101964236A (en) * | 2009-07-21 | 2011-02-02 | 中国科学院宁波材料技术与工程研究所 | A method of manufacturing a multi-pole magnetic ring |
| CN201830200U (en) * | 2010-10-22 | 2011-05-11 | 天津理工大学 | Variable frequency speed regulation controller of induction motor based on singlechip |
| CN102969141A (en) * | 2012-11-14 | 2013-03-13 | 山西汇镪磁性材料制作有限公司 | Manufacturing method for rare earth-iron-boron permanent magnet magnetic ring |
| CN202872541U (en) * | 2012-09-26 | 2013-04-10 | 六安江淮电机有限公司 | Variable-frequency speed-adjustment motor |
| CN203674905U (en) * | 2014-01-21 | 2014-06-25 | 浙江方大电机有限公司 | Variable frequency motor |
-
2014
- 2014-02-21 CN CN201410064042.1A patent/CN103812249A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2877131Y (en) * | 2006-03-16 | 2007-03-07 | 辽宁荣信电力电子股份有限公司 | Traction frequency changer |
| CN101348215A (en) * | 2008-09-22 | 2009-01-21 | 北京运达伟业科贸有限责任公司 | Velocity modulation fuel saving diesel-electric set electric supply tyre type gantry container crane |
| CN101964236A (en) * | 2009-07-21 | 2011-02-02 | 中国科学院宁波材料技术与工程研究所 | A method of manufacturing a multi-pole magnetic ring |
| CN201830200U (en) * | 2010-10-22 | 2011-05-11 | 天津理工大学 | Variable frequency speed regulation controller of induction motor based on singlechip |
| CN202872541U (en) * | 2012-09-26 | 2013-04-10 | 六安江淮电机有限公司 | Variable-frequency speed-adjustment motor |
| CN102969141A (en) * | 2012-11-14 | 2013-03-13 | 山西汇镪磁性材料制作有限公司 | Manufacturing method for rare earth-iron-boron permanent magnet magnetic ring |
| CN203674905U (en) * | 2014-01-21 | 2014-06-25 | 浙江方大电机有限公司 | Variable frequency motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065221A (en) * | 2014-05-30 | 2014-09-24 | 六安泰力电机有限责任公司 | Series YVF3 special three-phase asynchronous motor with ultra-high-efficient frequency control |
| CN110455597A (en) * | 2019-08-30 | 2019-11-15 | 聊城华勉环保科技有限公司 | A kind of flue gas preprocessor |
| CN111917263A (en) * | 2020-08-28 | 2020-11-10 | 上海莘汭驱动技术有限公司 | Permanent magnet alternating current servo motor |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20140521 |