CN2282298Y - Three phase ac voltage regulating asychronous motor - Google Patents
Three phase ac voltage regulating asychronous motor Download PDFInfo
- Publication number
- CN2282298Y CN2282298Y CN 96239344 CN96239344U CN2282298Y CN 2282298 Y CN2282298 Y CN 2282298Y CN 96239344 CN96239344 CN 96239344 CN 96239344 U CN96239344 U CN 96239344U CN 2282298 Y CN2282298 Y CN 2282298Y
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- Prior art keywords
- motor
- stator
- utility
- model
- rotor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Control Of Ac Motors In General (AREA)
Abstract
The utility model relates to a three-phase AC voltage regulating asynchronous motor, which is composed of a cage type single rotor, a stator, three set of windings, a ventilator, a DC speed detector, a disk type brake and a motor shaft. The complete machine of the utility model is horizontal, the three sets of windings achieve three rotation speeds, the pole number of the utility model is 2 poles, 4 poles and 8 poles, the control function of the utility model is achieved by a 83C552 microprocessor, and the utility model achieves stepless speed regulation of 0-715 turns/minute. The utility model is widely used in construction machine industry of tower cranes, building elevator main windings, etc.
Description
The utility model relates to a kind of building machinery industry that is used for, as the motor, particularly three phase ac voltage regulation speed-regulating asynchronous motor of derrick crane, building external application elevator main winch, high speed derrick main winch for building etc.
Current, employed speed regulating method is generally two coil winding machines or bi-motor energy consumption speed adjusting technique on 80-160 ton/rice derrick crane.There is more complicated in this class speed regulating method, energy consumption is big and shortcoming such as cost height.
The purpose of this utility model is exactly that a kind of three phase ac voltage regulation speed-regulating asynchronous motor is provided in order to overcome the deficiencies in the prior art.
The purpose of this utility model can realize by following measure:
This motor comprises axle, rotor, stator; Winding, brake etc., concrete technology are that rotor (12) adopts single rotor, and stator (13) adopts stator, is wound with three groups of coilings (5) on the stator, and three groups of coiling respective rotor make electromotor series be respectively 2 utmost points, 4 utmost points, 8 utmost points.
The purpose of this utility model can also realize by following measure:
Single rotor is fixed on the axle (1), and the stator respective rotor is fixed on the housing (6), and stator is wound with three groups of coilings.There is bearing (9) supporting at the axle two ends, are fixed with blower fan (3) on shell is stopped and (7) are closed in outlet.Shaft rear end connects tachometer (11).Brake (10) be installed between bearing and the tachometer the axle on.
Between the outlet of blower fan and the stator air channel is arranged.
Brake is a disk brake.
83C552 type microprocessor is adopted in electric machine speed regulation control.
0-715 rev/min of motor stepless speed regulation scope.
Description of drawings:
Fig. 1 is a general illustration of the present utility model, wherein (1) axle, (2) flange, (3) blower fan, (4) label, (5) winding, (6) housing, (7) outlet is closed, (8) end cap, (9) bearing, (10) brake, (11) tachometer, (12) rotor, (13) stator.
The utlity model has following advantage:
1, speed governing is easy, speed-regulating range width.
2, energy savings, failure rate is low.
3, safeguard easily cost 55%.
Below the utility model is described further:
This motor primary structure is made up of cage modle single rotor, stator, three cover windings, ventilation blower, DC tachogenerator, disk brake, motor shaft.Electromotor series is 2 utmost points, 4 utmost points, 8 utmost points, and complete machine is horizontal, and three cover windings are realized three kinds of rotating speeds, has solved when supply voltage drops to below 30 volts and torque is constant, thereby has realized that carrying out stepless speed regulation by 0-715 rev/min when nominal load turns round.The control of this machine is finished by 83C552 type microprocessor, and tachometer passes to microprocessor to signal, and microprocessor control winding is realized 0-715 rev/min program control.
Claims (6)
1, a kind of three phase ac voltage regulation speed-regulating asynchronous motor, it comprises axle, rotor, stator, winding, brake, it is characterized in that: rotor (12) adopts single rotor, stator (13) adopts single stator, be wound with three groups of coilings (5) on the stator, three groups of coiling respective rotor make electromotor series be respectively 2 utmost points, 4 utmost points, 8 utmost points.
2, according to the said motor of claim 1, it is characterized in that: single rotor is fixed on the axle (1), the stator respective rotor is fixed on the housing (6), stator is wound with three groups of coilings, there is bearing (9) supporting at the axle two ends, be fixed with blower fan (3) and outlet on the housing and close (7), shaft rear end connects tachometer (11), and brake (10) is installed on the axle between bearing and the tachometer.
3, according to the said motor of claim 1, it is characterized in that: between the air outlet of blower fan and the stator air channel is arranged.
4, according to the said motor of claim 1, it is characterized in that: brake is a disk brake.
5, according to the said motor of claim 1, it is characterized in that: 83C552 type microprocessor is adopted in motor speed adjusting control.
6, according to the said motor of claim 1, it is characterized in that: 0-715 rev/min of motor stepless speed regulation scope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96239344 CN2282298Y (en) | 1996-12-09 | 1996-12-09 | Three phase ac voltage regulating asychronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96239344 CN2282298Y (en) | 1996-12-09 | 1996-12-09 | Three phase ac voltage regulating asychronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2282298Y true CN2282298Y (en) | 1998-05-20 |
Family
ID=33914410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96239344 Expired - Fee Related CN2282298Y (en) | 1996-12-09 | 1996-12-09 | Three phase ac voltage regulating asychronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2282298Y (en) |
-
1996
- 1996-12-09 CN CN 96239344 patent/CN2282298Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |