CN2424574Y - Electronic speed governing gear decelerating single phase asynchronous micro-dynamo - Google Patents
Electronic speed governing gear decelerating single phase asynchronous micro-dynamo Download PDFInfo
- Publication number
- CN2424574Y CN2424574Y CN 00214600 CN00214600U CN2424574Y CN 2424574 Y CN2424574 Y CN 2424574Y CN 00214600 CN00214600 CN 00214600 CN 00214600 U CN00214600 U CN 00214600U CN 2424574 Y CN2424574 Y CN 2424574Y
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- motor
- gear
- phase asynchronous
- speed regulation
- speed
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Abstract
The utility model relates to a speed reducing single-phase asynchronous miniature motor with an electronic speed adjusting gear. The utility model integrates speed reduction for a gear, electronic adjustment, and speed detecting feedback as a whole through electromechanical combination. The utility model is composed of a motor, a sensor, a speed reducer, a controller, and a damping braking mechanism, wherein, the motor which is of E-class insulation has a fully closed self-cooling structure; the end of an output shaft of the motor is provided with a gear, and windings are arranged in double layers in the concentric type of a sine winding; the sensor which is used for the feedback of constant speed and stepless speed adjustment is a device which is composed a magnet arranged on a rotor shaft and a sensor coil, and the sensor is connected with the controller which is matched; the speed reducer has a structure of the speed reduction for a gear; the damping braking mechanism is composed of a braking plate, a braking sheet, and a spring which are arranged on the rotor shaft.
Description
The utility model relates to motor, relates in particular to the single-phase asynchronous electrical micro-machine of electronic speed regulation gear reduction.
Present commercially available single-phase asynchronous electrical micro-machine, the mode of general speed governing is frequency conversion, perhaps alternating current is become direct current and carries out speed governing, though have installed speed change gear additional, structure is bigger, rotating speed is also stable inadequately, anti-load capacity is poor, and volume and weight is big, and efficient is low, noise height, production cost are also higher.
The purpose of this utility model is, overcome the deficiencies in the prior art part, a kind of single-phase asynchronous electrical micro-machine of electronic speed regulation gear reduction of electromechanical integration is provided, transducer, controller, motor, damping brake mechanism and decelerator are carried out organically combination, realize the constant speed and the stepless speed regulation running of monophase machine.
The single-phase asynchronous electrical micro-machine of electronic speed regulation gear reduction described in the utility model, including magnet, cell winding, transducer, motor, stator, rotor, electric motor end cap, decelerator, controller, velocity setting device, differential amplifier, voltage-operated device and damping brake mechanism forms, adopt dynamo-electric combination, include motor, transducer, decelerator, damping brake mechanism and organic whole of controller five most of compositions.Described damping brake mechanism includes braking vane, brake block, spring and forms.Described motor is E class F insulation, totally-enclosed self cool structure, and the output axle head of motor is gear structure and the decelerator that connects gear reduction, that is to say that the output axle head of motor is a gear structure, and gear structure is meshed with the input gear of decelerator.Winding adopts the concentric type dual layer arrangement of positive chorded winding, and casing adopts the aluminium alloy compression casting moulding, like this, has promptly alleviated the weight of motor, has improved the service behaviour of motor again.Described transducer is by permanent-magnet ferrite Br, the Bc and the Bb that make with big pressure, and promptly the magnet device that matches and make with cell winding is installed on the armature spindle of motor, connects with supporting controller, does feedback constant speed and stepless speed regulation and uses.Described decelerator, adopt the gear reduction structure, its first order i.e. high speed level gear adopts the helical teeth structure to reduce rotational noise, speed reducing ratio reached 21 kinds from 1: 2.74 to 1: 180, it is the use of can connecting of 1: 10 CJ-10X type speed reducer that speed reducing ratio is arranged in addition, so the maximum deceleration ratio can reach 1: 1800.The gear of this reductor adopts helical teeth to reduce noise.Described controller, adopt bridge rectifier, differential amplifier circuit, unijunction transistor circuits for triggering to be composed in series control circuit, on circuit, constitute one with motor, voltage-operated device compares by the signal of differential amplifier circuit to velocity setting device and transducer, difference is amplified the back regulate the input voltage that AC power is added in motor, realize the stepless speed regulation and the constant speed running of motor, finally realize the stepless speed regulation and the constant-speed operation of load.Five major parts of the single-phase asynchronous electrical micro-machine of described electronic speed regulation gear reduction all can be used separately, and promptly motor and decelerator are combined into reducing motor; Motor and decelerator, damping brake mechanism are combined into deceleration damping motor; Motor and controller, transducer are combined into buncher.
The single-phase asynchronous electrical micro-machine of electronic speed regulation gear reduction described in the utility model, transducer, controller, motor, damping brake mechanism and decelerator five major parts are combined, the constant speed and the stepless speed regulation running of monophase machine have been realized, structure with electronic speed regulation and gear reduction, alleviate the weight of motor, change the commercially available AC frequency conversion or the mode of speed regulation of AC-DC, realized the electronic speed regulation of alternating current machine.Simple in structure, cost reduces, and improved the service behaviour of motor, has improved the quality of fit and the form and position tolerance of stator, rotor, casing, has reduced the running noise of motor, has improved the stability and the anti-load capacity of motor speed.
Referring now to accompanying drawing 1 and accompanying drawing 2, be described as follows in conjunction with the embodiments: the single-phase asynchronous electrical micro-machine of electronic speed regulation gear reduction described in the utility model, include magnet 1, cell winding 2, transducer 3, motor 4, stator 5, rotor 6, electric motor end cap 7, decelerator 8, controller 9, bridge rectifier 10, differential amplifier circuit 11, unijunction transistor circuits for triggering 12, thyristor speed control circuit 13, velocity setting device 14, load 15, AC power 16, voltage-operated device 17, spring 18, brake block 19 and braking vane 20 are formed, adopt dynamo-electric combination, gear reduction, electronic speed regulation, the feedback that tests the speed is combined as a whole, and can be divided into motor 4, decelerator 8, transducer 3, organic whole of 9 five most of compositions of damping brake mechanism and controller.Described motor 4 is the totally-enclosed self cool structure of E class F insulation, and the output axle head of motor 4 is a gear structure, imports gear with the first order in the decelerator 8 and is meshed.Described damping brake mechanism includes braking vane 20, brake block 19, spring 18 and forms.Bridge rectifier 10, differential amplifier circuit 11, unijunction transistor circuits for triggering 12, thyristor speed control circuit 13 4 parts are formed controller 9.Controller 9 constitutes one with transducer 3, motor 4 on circuit.Voltage-operated device 17 compares by the signal of 11 pairs of velocity setting devices 14 of differential amplifier circuit and transducer 3, after the difference amplification, regulate the input voltage that AC power 16 is added in motor 4, realize the stepless speed regulation and the constant speed running of motor, finally realize the stepless speed regulation and the constant-speed operation of load 15.Described transducer 3 is by the permanent-magnet ferrite Br, the Bc that make with big pressure and the Bb device that to be magnet 1 match and make with cell winding 2, be installed in motor rotor 6 the axle on, link with supporting controller 9, do feedback constant speed and stepless speed regulation and use.Described decelerator 8 adopts the gear reduction structure, and its first order i.e. high speed level gear adopts the helical teeth structure to reduce rotational noise.Certainly be not to do such qualification here, it also is feasible adopting the straight-tooth structure, and just rotational noise can be big.Stator 5 and electric motor end cap 7 adopt prior art, cooperate installation with electrical micro-machine described in the utility model.Damping brake mechanism includes spring 18, brake block 19 and braking vane 20 and forms, braking vane 20 is installed on the axle of rotor 6, contact with brake block 19 sliding frictions, spring 18 is given brake block 19 and 20 1 thrusts of braking vane, make between brake block 19 and the braking vane 20 and produce frictional force, realize the damping brake of rotor, motor is shut down after outage.Five major parts of the single-phase asynchronous electrical micro-machine of described electronic speed regulation gear reduction all can be used separately, and promptly motor 4 is combined into reducing motor with decelerator 8; Motor 4 is combined into deceleration damping motor with decelerator 8, damping brake mechanism; Motor 4 is combined into buncher with controller 9, transducer 3.
Claims (6)
1, the single-phase asynchronous electrical micro-machine of a kind of electronic speed regulation gear reduction, adopt dynamo-electric combination, gear reduction, electronic speed regulation, feedback tests the speed, damping brake mechanism is combined as a whole, include magnet (1), cell winding (2), transducer (3), motor (4), stator (5), rotor (6), electric motor end cap (7), decelerator (8), controller (9), bridge rectifier (10), differential amplifier circuit (11), unijunction transistor circuits for triggering (12), thyristor speed control circuit (13), velocity setting device (14), load (15), AC power (16), voltage-operated device (17), spring (18), brake block (19) and braking vane (20) are formed, the output axle head that it is characterized in that motor is a gear structure, and gear structure is meshed with the input gear of decelerator.
2, the single-phase asynchronous electrical micro-machine of electronic speed regulation gear reduction according to claim 1, it is characterized in that described transducer (3) is by the permanent-magnet ferrite Br, the Bc that make with big pressure and the Bb device that to be magnet (1) match and make with cell winding (2), be installed on the armature spindle of motor, connect with supporting controller (9).
3, the single-phase asynchronous electrical micro-machine of electronic speed regulation gear reduction according to claim 1, it is characterized in that described controller (9) adopts bridge rectifier (10), differential amplifier circuit (11), unijunction transistor circuits for triggering (12) to be composed in series control circuit, constitutes one with motor (4) on circuit.
4, the single-phase asynchronous electrical micro-machine of electronic speed regulation gear reduction according to claim 1 is characterized in that described decelerator (8) adopts the gear reduction structure, and its speed reducing ratio is from 1: 2.74 to 1: 180, and other has the use of can connecting of 1: 10 decelerator.
5, according to claim 1 or the single-phase asynchronous electrical micro-machine of 4 described electronic speed regulation gear reductions, it is characterized in that described damping brake mechanism adopts spring (18), brake block (19) and braking vane (20) composition, braking vane (20) is installed on the axle of rotor (6), and brake block (19) contacts for sliding friction with braking vane (20).
6,, it is characterized in that the i.e. high speed level gear employing of the first order helical teeth structure of described decelerator (8) according to claim 1 or the single-phase asynchronous electrical micro-machine of 4 described electronic speed regulation gear reductions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00214600 CN2424574Y (en) | 2000-05-19 | 2000-05-19 | Electronic speed governing gear decelerating single phase asynchronous micro-dynamo |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00214600 CN2424574Y (en) | 2000-05-19 | 2000-05-19 | Electronic speed governing gear decelerating single phase asynchronous micro-dynamo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2424574Y true CN2424574Y (en) | 2001-03-21 |
Family
ID=33580673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00214600 Expired - Fee Related CN2424574Y (en) | 2000-05-19 | 2000-05-19 | Electronic speed governing gear decelerating single phase asynchronous micro-dynamo |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2424574Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011026403A1 (en) * | 2009-09-01 | 2011-03-10 | 中山大洋电机制造有限公司 | Braking device for rotating shaft and gear speed reduction motor system using same |
| CN114421663A (en) * | 2021-11-16 | 2022-04-29 | 上海电机系统节能工程技术研究中心有限公司 | Motor rotor, motor and equipment |
-
2000
- 2000-05-19 CN CN 00214600 patent/CN2424574Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011026403A1 (en) * | 2009-09-01 | 2011-03-10 | 中山大洋电机制造有限公司 | Braking device for rotating shaft and gear speed reduction motor system using same |
| CN114421663A (en) * | 2021-11-16 | 2022-04-29 | 上海电机系统节能工程技术研究中心有限公司 | Motor rotor, motor and equipment |
| CN114421663B (en) * | 2021-11-16 | 2024-01-09 | 上海电机系统节能工程技术研究中心有限公司 | Motor rotor, motor and equipment |
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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 |