CN201110888Y - Self-starting rare-earth permanent magnet rotor type electric motor microcomputer integrated test apparatus - Google Patents
Self-starting rare-earth permanent magnet rotor type electric motor microcomputer integrated test apparatus Download PDFInfo
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- CN201110888Y CN201110888Y CNU2007203106253U CN200720310625U CN201110888Y CN 201110888 Y CN201110888 Y CN 201110888Y CN U2007203106253 U CNU2007203106253 U CN U2007203106253U CN 200720310625 U CN200720310625 U CN 200720310625U CN 201110888 Y CN201110888 Y CN 201110888Y
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Abstract
Disclosed is a microcomputer comprehensive testing device for an automatic-start rare earth permanent magnet motor, which mainly aims to solve the problem that two set of devices are required in the prior art to complete the static and dynamic torque testing of the automatic-start rare earth permanent magnet motor. The utility model is characterized in that the testing device also comprises a magnetic powder brake; a torque and rotating speed sensor, a flywheel and a DC generator are positioned on a mounting flat plate and are connected with the magnetic powder brake in sequence through a coupling; the other end of the torque and rotating speed sensor serves as the connecting end of the axle-stretch end of a motor upon testing; the DC excitation port of the magnetic powder brake is connected with a controllable DC power supply in a permanent magnet motor comprehensive testing control cabinet; a photoelectric encoder is arranged on a fan end of the motor upon testing. The microcomputer comprehensive testing device for an automatic-start rare earth permanent magnet motor can achieve the function of completing the static and dynamic torque testing on the same testing device, so as to save the ex-factory testing time of each motor.
Description
Technical field:
The utility model relates to a kind of device that the permagnetic synchronous motor performance index are tested, and specifically relates to a kind of self-starting rare-earth permanent magnet motor microcomputer comprehensive test device.
Background technology:
For the self-starting rare-earth permanent magnet motor,, may relate to following 6 torques usually: locked-rotor torque, pull-in torque, pull-out torque, start-up course torque capacity, start-up course minimum torque, nominal torque in order to describe its startup and runnability.Wherein locked-rotor torque belongs to static torque, and it has reflected the ability of motor starting stationary load.All the other all belong to dynamic torque.Wherein can pull-in torque have determined motor enter the state with synchronous rotational speed operation after startup, and pull-out torque has reflected with the overload capacity under the leg speed condition; The start-up course torque capacity has determined that under a certain size loading condition in a single day motor loses synchronously, whether can shut down; The start-up course minimum torque has determined motor in following maximum load that can drive of certain rotating speed; Nominal torque then is to estimate the basic index of the specified running status of motor.For manufacturer and user, be concerned about very all how much the static torque of a motor and concrete numerical value of every dynamic torque is, and whether meet the requirements.But when in the prior art these characteristics being tested, often to separately carry out, that is to say and adopt a certain device to record dynamic torque as dynamic load earlier with Dyn. or dynamometer machine, then utilize another device to come the static torque of independent test again, promptly in order to realize test to static torque and dynamic torque, need two cover systems to come work, so not only increase the test period before the Motor Production Test, and caused error bigger owing to existing asynchronism by the data that two covering devices record.
The utility model content:
In order to solve the problem that needs to finish the test of static torque of self-starting rare-earth permanent magnet motor and dynamic torque in the prior art by two covering devices, the utility model provides a kind of self-starting rare-earth permanent magnet motor microcomputer comprehensive test device, this kind self-starting rare-earth permanent magnet motor microcomputer comprehensive test device can be implemented in the characteristics of finishing the test of static torque and dynamic torque on same the proving installation simultaneously, has saved every detection time that Motor Production Test is preceding.
The technical solution of the utility model is: this kind self-starting rare-earth permanent magnet motor microcomputer comprehensive test device, comprise magneto integration test control desk, power supply, magneto integration test switch board, the DC load switch board that has resistance box and regulator, and the torque and speed sensors under the control of magneto integration test control desk, and the Dyn. under magneto integration test switch board and the common control of DC load switch board, and the photoelectric encoder under the control of magneto integration test control desk, the particularly important is, described proving installation also comprises a magnetic powder brake.To place torque and speed sensors, flywheel, Dyn. and this magnetic powder brake of installing on the flat board to link to each other by the shaft joint order, the other end conduct of torque and speed sensors and the link of tested motor shaft extension end, controllable direct current power supply in the DC excitation port of described magnetic powder brake and the magneto integration test switch board connects, and described photoelectric encoder is installed on the fan end of tested motor.
The utlity model has following beneficial effect: because after taking such scheme, this proving installation is dynamic load with the Dyn., magnetic powder brake is a static load.Load torque is mainly provided by magnetic powder brake when the electric motor starting or the slow-speed of revolution, and after motor speed raises, progressively reduce the magnetic powder brake exciting current until providing dynamic load torque by Dyn. for zero, so just can be implemented on same the proving installation and to be finished the test of static torque and dynamic torque simultaneously by measured motor, saved the detection time before every Motor Production Test one.In addition, this scheme can not only prevent the heating of magnetic powder brake effectively, start operating mode but also can in start-up course, simulate different loads, obtain more test data by the size of coordinating control magnetic powder brake exciting current, Dyn. exciting current and ohmic load.
Description of drawings:
Fig. 1 is a composition synoptic diagram of the present utility model.
Fig. 2 is by measured motor and the synoptic diagram of this device after being connected on the installation flat board.
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
By shown in Figure 1, this kind self-starting rare-earth permanent magnet motor microcomputer comprehensive test device, comprise magneto integration test control desk, power supply, magneto integration test switch board, the DC load switch board that has resistance box and regulator, and the torque and speed sensors under the control of magneto integration test control desk, and the Dyn. under magneto integration test switch board and the common control of DC load switch board, and the photoelectric encoder under the control of magneto integration test control desk, more than these are the prior art of in the prior art self-starting rare-earth permanent magnet motor being carried out the microcomputer comprehensive test device of integration test, but because the existing device of this cover can only carry out the measurement of dynamic torque separately, has bigger limitation, for this reason, increased a magnetic powder brake on its basis.Concrete connected mode is: will place torque and speed sensors, flywheel, Dyn. and this magnetic powder brake of installing on the flat board to link to each other by the shaft joint order, the other end conduct of torque and speed sensors and the link of tested motor shaft extension end, controllable direct current power supply in the DC excitation port of described magnetic powder brake and the magneto integration test switch board connects, and described photoelectric encoder is installed on the fan end of tested motor.Note testing when connecting, only allow shaft coupling between torque rotary speed sensor and the tested motor and other load should not arranged, controlled field power supply in the excitation port of Dyn. and the magneto integration test switch board connects, and its armature outlet port by the switch in the magneto integration test switch board can be respectively with resistance box in high-power resistance or the connection of armature circuit controllable direct current power supply.The DC excitation port of magnetic powder brake and the controllable direct current power supply in the integration test switch board connect, and promptly realize torque adjustment by regulating the DC voltage size.Data acquisition system (DAS) in the magneto integration test control desk is gathered each electric and mechanical quantity and is realized control and defencive function to test macro by magneto integration test switch board.
This device is when realizing, below noting to the selection of each parts: when selecting Dyn., should guarantee its rated moment than in following three torques of tested motor maximum one big again more than 20%: locked-rotor torque, start-up course torque capacity and pull-out torque.Rated speed answers the rated speed of the highest tested motor of specific speed big again more than 30%.Simultaneously, the armature voltage when its field voltage and antikinesis can be regulated by microcomputer.When selecting magnetic powder brake, should guarantee that its rated moment is bigger again more than 20% than the maximum locked-rotor torque of tested motor, and its rotating speed should be bigger more than 30% than the rated speed of tested motor.Simultaneously, its field voltage can be regulated by microcomputer.When selecting torque rotary speed sensor, should guarantee its rated moment than in following three torques of tested motor maximum one big again more than 20%: locked-rotor torque, start-up course torque capacity and pull-out torque.Rated speed answers the rated speed of the highest tested motor of specific speed big again more than 30%.Output terminal has the connection terminal with computer data acquisition system.Should satisfy when selecting magneto integration test switch board, the integration test switch board is accepted the control signal from magneto integration test control desk, and then finish following control and defencive function: (1) starts and shutdown control tested motor and Dyn., when tested motor power phase shortage, tested motor and Dyn. overload, and provide alerting signal during the short circuit of system power supply loop or cut off the electricity supply; (2) tested motor of control and Dyn. enter contrary running status, and promptly Dyn. moves as direct current motor, and tested motor is as generator no-load running; When overrunning, provide alerting signal or cut off the electricity supply; (3) exciting current of control magnetic powder brake provides alerting signal or cuts off the electricity supply during overload; (4) size of controlling resistance load is cut off the electricity supply during short circuit; (5) exciting current of control Dyn. is cut off the electricity supply during short circuit; (6) voltage of adjusting experiment power supply.When selecting magneto integration test control desk, the data acquisition system (DAS) that should satisfy in the test console is gathered following electric and mechanical quantity: the three-phase voltage and the three-phase current of tested motor (1); From torque rotary speed sensor; Torque and tach signal; The field voltage of magnetic powder brake and exciting current; The tach signal of photoelectric encoder; Dyn. field voltage, armature voltage and armature supply.
This kind is dynamic load with the Dyn. through the proving installation after improving, magnetic powder brake is a static load, load torque is mainly provided by magnetic powder brake when the electric motor starting or the slow-speed of revolution, and after motor speed raises, progressively reduce the magnetic powder brake exciting current until providing load torque by Dyn. for zero, can not only prevent the heating of magnetic powder brake so effectively, and can be by coordinating control magnetic powder brake exciting current in start-up course, the size of Dyn. exciting current and water resistance load can be simulated different loads and start operating mode.
Following mask body provides the several object lessons that utilize this device to finish test:
Locked-rotor torque and locked rotor current test:
According to accompanying drawing 1, behind 2 erecting equipments, the exciting current of control magnetic powder brake makes its retarding torque significantly surpass the locked-rotor torque of tested motor expection, desirable more than 1.2 times, use the power supply of pressure regulator to power to motor, adjusting voltage is 20% of rated voltage, start tested motor, it is about 200% of ratings that the supply voltage that raises as soon as possible then makes armature supply, with reference to " GB2005 synchronous motor test method ", gather torque and three-phase voltage by data collector, electric current and calculate current stabilization after average torque and three-phase voltage, current effective value, for preventing motor overheating, test should be carried out rapidly; Reduce supply voltage then gradually, read 8～9 measuring points, between maximum current and rated current, evenly measure and be no less than 4 readings by above-mentioned identical method.Can obtain locked rotor current and locked-rotor torque under the rated voltage by the computing method of locked rotor current in " GB2005 synchronous motor test method " and locked-rotor torque.
Dynamic torque and the test of dynamic process electric parameters:
Behind accompanying drawing 1,2 erecting equipments, the exciting current of control magnetic powder brake makes its retarding torque significantly less than the nominal torque of tested motor, desirable below 0.2 times, the exciting current of control Dyn. is regulated its pull-up resistor and is made tested motor can reach nominal load to ratings.Start tested motor, instantaneous value by data collector test torque, rotating speed and three-phase voltage, electric current, obtain torque, rotating speed and three-phase voltage, the time dependent curve of electric current in processing, and obtain torque, rotation speed characteristic through microcomputer in the test console.Further obtain start-up course minimum torque, torque capacity and pull-in torque from torque, rotation speed characteristic.Reach with behind the leg speed, further slow regulating load resistance, its loading moment is slowly increased, test the instantaneous value of torque, rotating speed simultaneously by data collector, the processing of microcomputer obtains torque, rotation speed characteristic in through magneto integration test control desk, therefrom obtains pull-out torque.As the startup and the operation characteristic that will obtain magneto under the different voltages, can adopt the voltage controller power source power supply.
The test of induced voltage and cogging torque:
Magneto integration test control desk runs on motor working condition by magneto integration test switch board control Dyn., drive tested permanent magnet motor as generator no-load running, regulate rotating speed and reach synchronous speed, by data acquisition system (DAS) test induced voltage, can also obtain cogging torque by analysis simultaneously to real-time torque.
Claims (1)
1, a kind of self-starting rare-earth permanent magnet motor microcomputer comprehensive test device, comprise magneto integration test control desk, power supply, magneto integration test switch board, the DC load switch board that has resistance box and regulator, and the torque and speed sensors under the control of magneto integration test control desk, and the Dyn. under magneto integration test switch board and the common control of DC load switch board, and the photoelectric encoder under the control of magneto integration test control desk, it is characterized in that: described proving installation also comprises a magnetic powder brake, the torque and speed sensors of installing on the flat board will be placed, flywheel, Dyn. links to each other by the shaft joint order with this magnetic powder brake, the other end conduct of torque and speed sensors and the link of tested motor shaft extension end, controllable direct current power supply in the DC excitation port of described magnetic powder brake and the magneto integration test switch board connects, and described photoelectric encoder is installed on the fan end of tested motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203106253U CN201110888Y (en) | 2007-12-14 | 2007-12-14 | Self-starting rare-earth permanent magnet rotor type electric motor microcomputer integrated test apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007203106253U CN201110888Y (en) | 2007-12-14 | 2007-12-14 | Self-starting rare-earth permanent magnet rotor type electric motor microcomputer integrated test apparatus |
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| CN201110888Y true CN201110888Y (en) | 2008-09-03 |
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| CNU2007203106253U Expired - Fee Related CN201110888Y (en) | 2007-12-14 | 2007-12-14 | Self-starting rare-earth permanent magnet rotor type electric motor microcomputer integrated test apparatus |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975924A (en) * | 2010-08-30 | 2011-02-16 | 苏州博实机器人技术有限公司 | Novel motor test platform |
| CN102353538A (en) * | 2011-10-11 | 2012-02-15 | 华中科技大学 | Device for testing drive shaft |
| CN102375116A (en) * | 2010-08-09 | 2012-03-14 | 苏州百狮腾电气有限公司 | Rotor detection device and detection method thereof |
| CN103558546A (en) * | 2013-10-31 | 2014-02-05 | 桂林机床电器有限公司 | Method for testing torque-frequency characteristic of stepping motor |
| CN103712646A (en) * | 2012-09-29 | 2014-04-09 | 成都金福天下投资管理有限公司 | Performance testing device for main-shaft servo system |
| CN104267617A (en) * | 2014-09-28 | 2015-01-07 | 江苏科技大学 | Dynamic load simulation testing test platform and testing method |
| CN104635157A (en) * | 2015-01-20 | 2015-05-20 | 山东拓博节能科技有限公司 | Test board of low-revolution-speed large-torque motor |
| CN104635158A (en) * | 2015-02-27 | 2015-05-20 | 北京精密机电控制设备研究所 | Permanent magnet motor characteristic quantity measuring device and torque coefficient measuring method |
| CN106019149A (en) * | 2016-05-31 | 2016-10-12 | 西安航天计量测试研究所 | Stepping motor moment loading device and loading method |
| CN106208821A (en) * | 2016-08-30 | 2016-12-07 | 北京精密机电控制设备研究所 | A kind of multiple stage is without sensor permagnetic synchronous motor simultaneously or substep Start-up and Adjustment method |
| CN106226697A (en) * | 2016-07-21 | 2016-12-14 | 淮阴工学院 | A kind of electric vehicle motor integrated test system for performance |
| CN106842071A (en) * | 2016-12-29 | 2017-06-13 | 上海新时达电气股份有限公司 | Door-inverter test system and method |
| CN109342945A (en) * | 2018-11-22 | 2019-02-15 | 武汉市恒信泰采油设备制造有限公司 | A kind of motor rapid detection system |
| CN110657551A (en) * | 2019-10-21 | 2020-01-07 | 宁波奥克斯电气股份有限公司 | Heavy load overload protection control method and device for air conditioning system and air conditioner |
| CN111596207A (en) * | 2020-04-10 | 2020-08-28 | 杭州电子科技大学 | Motor mechanical characteristic curve mapping device |
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2007
- 2007-12-14 CN CNU2007203106253U patent/CN201110888Y/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375116A (en) * | 2010-08-09 | 2012-03-14 | 苏州百狮腾电气有限公司 | Rotor detection device and detection method thereof |
| CN102375116B (en) * | 2010-08-09 | 2013-07-10 | 苏州百狮腾电气有限公司 | Rotor detection device and detection method thereof |
| CN101975924A (en) * | 2010-08-30 | 2011-02-16 | 苏州博实机器人技术有限公司 | Novel motor test platform |
| CN102353538A (en) * | 2011-10-11 | 2012-02-15 | 华中科技大学 | Device for testing drive shaft |
| CN103712646A (en) * | 2012-09-29 | 2014-04-09 | 成都金福天下投资管理有限公司 | Performance testing device for main-shaft servo system |
| CN103558546A (en) * | 2013-10-31 | 2014-02-05 | 桂林机床电器有限公司 | Method for testing torque-frequency characteristic of stepping motor |
| CN104267617B (en) * | 2014-09-28 | 2016-10-26 | 江苏科技大学 | A kind of dynamic load simulation test experiment platform and method of testing |
| CN104267617A (en) * | 2014-09-28 | 2015-01-07 | 江苏科技大学 | Dynamic load simulation testing test platform and testing method |
| CN104635157A (en) * | 2015-01-20 | 2015-05-20 | 山东拓博节能科技有限公司 | Test board of low-revolution-speed large-torque motor |
| CN104635157B (en) * | 2015-01-20 | 2017-06-30 | 山东拓博节能科技有限公司 | A kind of low rotation speed large torque electromechanical testing platform |
| CN104635158A (en) * | 2015-02-27 | 2015-05-20 | 北京精密机电控制设备研究所 | Permanent magnet motor characteristic quantity measuring device and torque coefficient measuring method |
| CN106019149A (en) * | 2016-05-31 | 2016-10-12 | 西安航天计量测试研究所 | Stepping motor moment loading device and loading method |
| CN106226697A (en) * | 2016-07-21 | 2016-12-14 | 淮阴工学院 | A kind of electric vehicle motor integrated test system for performance |
| CN106208821B (en) * | 2016-08-30 | 2018-07-24 | 北京精密机电控制设备研究所 | More of one kind is without sensor permanent magnet synchronous motor while or substep Start-up and Adjustment method |
| CN106208821A (en) * | 2016-08-30 | 2016-12-07 | 北京精密机电控制设备研究所 | A kind of multiple stage is without sensor permagnetic synchronous motor simultaneously or substep Start-up and Adjustment method |
| CN106842071A (en) * | 2016-12-29 | 2017-06-13 | 上海新时达电气股份有限公司 | Door-inverter test system and method |
| CN109342945A (en) * | 2018-11-22 | 2019-02-15 | 武汉市恒信泰采油设备制造有限公司 | A kind of motor rapid detection system |
| CN109342945B (en) * | 2018-11-22 | 2023-11-10 | 武汉市恒信泰采油设备制造有限公司 | Motor rapid detection system |
| CN110657551A (en) * | 2019-10-21 | 2020-01-07 | 宁波奥克斯电气股份有限公司 | Heavy load overload protection control method and device for air conditioning system and air conditioner |
| CN111596207A (en) * | 2020-04-10 | 2020-08-28 | 杭州电子科技大学 | Motor mechanical characteristic curve mapping device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080903 Termination date: 20161214 |