CN201417536Y - Magnetic suspension experiment device - Google Patents
Magnetic suspension experiment device Download PDFInfo
- Publication number
- CN201417536Y CN201417536Y CN2008201710417U CN200820171041U CN201417536Y CN 201417536 Y CN201417536 Y CN 201417536Y CN 2008201710417 U CN2008201710417 U CN 2008201710417U CN 200820171041 U CN200820171041 U CN 200820171041U CN 201417536 Y CN201417536 Y CN 201417536Y
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- magnetic suspension
- magnetic
- ball float
- electromagnet
- suspension experiment
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Abstract
The utility model relates to a magnetic suspension experiment device which comprises the following components: a magnetic suspension experiment object, a magnetic suspension signal processing unit anda computer control unit. The magnetic suspension experiment object comprises an electromagnet, a position detector, a light source, a magnetic suspension ball, a base and a bracket. The utility modelis characterized in that: the electromagnet is fixed to the top end of the square bracket; the magnetic suspension ball is positioned at the right lower part of the iron core of electromagnet; the position detector and the light source are respectively fixed to the left side and right side of the magnetic suspension ball; the base is fixed to the bottom of the square bracket; the magnetic suspension experiment object can be kept to flat through adjusting the balancing screws on the base; the magnetic suspension signal processing unit comprises a PSD signal processor, a data acquisition interface and a coil driving circuit; and the computer control unit is provided with a PCI data acquisition card and control software. The magnetic suspension experiment device provided by the utility modelprovides an experiment platform for researching the physical model and control method in the teaching experiment and course design of the courses of control theory, computer control, physics, etc.
Description
Technical field
The utility model relates to a kind of teaching equipment, especially a kind of magnetic suspension experiment system.
Background technology
About the Theory of Automatic Control of magnetic ball float, many scholars have carried out various researchs and trial, and still, domestic research about magnetic ball float experiment porch at present is less, and mainly concentrates on the commercial Application aspect.The patent No. is that 200610078634.4 utility model patent has proposed a kind of experiment apparatus for magnetic levitation ball control system, but can't know for the connection of its physical construction, and its coil driver is comparatively complicated, is unfavorable for the experimental teaching of this device.
The utility model content
The purpose of this utility model is to be applicable to the magnetic suspension experiment device that courses such as " control theory ", " computer control ", " physics " need in order to provide a kind of.
For realizing the purpose of this utility model, the utility model provides a kind of magnetic suspension experiment device, and it comprises: a kind of magnetic suspension experiment object, and it comprises: electromagnet, position detector, light source, magnetic ball float, base and support; Described electromagnet is fixed on the top of square set, is used for the magnetic ball float is produced suction, realizes that the suction of magnetic ball float is floating; Described magnetic ball float be positioned at electromagnet core under, as the controlling object in when experiment, when carrying out closed-loop control, a certain position of magnetic ball float stable suspersion between electromagnet and base; Described position detector and light source are separately fixed at the left and right sides of magnetic ball float, and when the top of magnetic ball float contacted with the electromagnet core bottom, the center line of position detector, light source and magnetic ball float was at same horizontal level; Described base is fixed on the bottom of square set, can make magnetic suspension experiment object maintenance level by the mass screw of regulating on the base; Also comprise a magnetic levitation signal processing unit, it comprises: PSD signal processing unit, data acquisition interface and coil driver; Comprise also that in addition one is equipped with the computer control unit of pci data capture card and Control Software.
Described magnetic ball float is the stainless steel iron ball, the controlling object during as experiment.
Described position detector comprises I/V change-over circuit and PSD position transducer, perhaps photodiode components.
Described light source is infrared light generator or laser generator.
Described coil driver is a current driver, promptly is connected into the form of compound Darlington transistor by two triodes, and emitter-base bandgap grading is as output stage.
This magnetic suspension experiment device adopts the working method of software-hardware synergism, and experimentation is very directly perceived, and user's operation is more flexible simpler.This system teaching material of combining closely can be used for correlated curriculums experiments such as control theory, computer control, physics.
The student can grasp following content after carrying out Comprehensive Experiment with this experimental system: the equation of motion of controlling object; The electromagnetic force model of magnetic suspension system; The model of control voltage and electric current in the electromagnet; Instantaneous inductor on the electromagnet winding and the relation between air gap; Boundary condition during The Balance for Rotating Ball; The foundation of system mathematic model; The foundation of mathematical model under the MATLAB; Simulink emulation; When maglev, frequency-domain analysis; PID design of Controller and adjusting; The characteristic of PSD position transducer; The open loop of magnetic suspension system and closed-loop control; The magnetic suspension experiment principle; The real-time control of magnetic suspension system.
Description of drawings
Fig. 1 is the cut-away view of magnetic suspension experiment object;
Fig. 2 is the cut-away view of magnetic levitation signal processing unit;
Fig. 3 is a magnetic suspension experiment device closed-loop control block diagram.
Embodiment
Embodiment: this magnetic suspension experiment device comprises magnetic suspension experiment object, magnetic levitation signal processing unit and computer control unit.
See also shown in Figure 1ly, it is the cut-away view of magnetic suspension experiment object, and it comprises: electromagnet (1), position detector (2), light source (3), magnetic ball float (4), base (5) and support (6); Its described electromagnet (1) is fixed on the top of square set (6), is used for magnetic ball float (4) is produced suction, realizes that the suction of magnetic ball float (4) is floating; Described magnetic ball float (4) be positioned at electromagnet (1) iron core under, as the controlling object in when experiment, when carrying out closed-loop control, a certain position of magnetic ball float (4) stable suspersion between electromagnet (1) and base (5); Described position detector (2) and light source (3) are separately fixed at the left and right sides of magnetic ball float (4), when the top of magnetic ball float (4) contacted with electromagnet (1) iron core bottom, the center line of position detector (2), light source (3) and magnetic ball float (4) was at same horizontal level; Described base (5) is fixed on the bottom of square set (6), can make magnetic suspension experiment object maintenance level by the mass screw of regulating on the base (5).
See also shown in Figure 2ly, it is the cut-away view of magnetic levitation signal processing unit, and it comprises: PSD signal processing unit (7), data acquisition interface (8) and coil driver (9).
See also Fig. 1, Fig. 2 and shown in Figure 3, Fig. 3 is a magnetic suspension experiment device closed-loop control block diagram, its course of work is: the light signal that light source (3) produces covers the effective coverage of whole PSD device, when the induction zone of the magnetic ball float (4) in the magnetic suspension experiment object at position detector (2), change the incident light of PSD position transducer by the displacement (shading amount) of magnetic ball float (4), the incident light of falling on the PSD position transducer converts photoelectron at the inner photocurrent that forms of PSD, after this photocurrent passes through I/V change-over circuit and adder circuit successively, at voltage signal that reacts magnetic ball float (4) displacement of output terminal output of position detector (2); After the PSD signal processing unit (7) of this voltage signal by the magnetic levitation signal processing unit gains and zero-bit regulates, send into computing machine by the AD passage of data acquisition card (8).Computing machine compares magnetic ball float (4) displacement signal and the given displacement signal that data collecting card collects, draw deviation signal, after passing through the control program computing then, export and send into the coil driver (9) of magnetic levitation signal processing unit again by the DA passage of data acquisition card (8).The voltage signal of a control of output terminal output electromagnet (1) the coil current size of coil driver (9), thereby the size of suction between change electromagnet (1) iron core and the magnetic ball float (4) are till deviation goes to zero.
The function that the magnetic suspension experiment object can be finished is: convert the displacement signal of magnetic ball float (4) to corresponding d. c. voltage signal by light source (3) and position detector (2); Convert the voltage signal of coil driver (9) output to current signal by electromagnet (1) coil; In electromagnet (1) coil, feed electric current, thereby produce the magnetic force that magnetic ball float (4) is suspended around making electromagnet (1) iron core.
The function that the magnetic levitation signal processing unit can be finished is: the gain of position detector (2) output voltage signal and zero-bit are regulated; The power amplification of host computer output signal and data acquisition interface conversion.
Computer control unit can be finished the input of feedback signal and the output of control signal, and functions such as emulation under the Simulink programmed environment and control in real time.
To help to understand the utility model by embodiment, but not limit content of the present utility model.All distortion that those of ordinary skill in the art can directly derive or associate from the disclosed content of the utility model all should be thought protection domain of the present utility model.
Claims (5)
1, a kind of magnetic suspension experiment device, it comprises: a magnetic suspension experiment object, an one magnetic levitation signal processing unit and a computer control unit, described magnetic suspension experiment object comprises electromagnet, position detector, light source, the magnetic ball float, base and support, it is characterized in that: electromagnet is fixed on the top of square set, the magnetic ball float be positioned at electromagnet core under, controlling object during as experiment, position detector and light source are separately fixed at the left and right sides of magnetic ball float, when the top of control magnetic ball float contacts with the electromagnet core bottom, position detector, the center line of light source and magnetic ball float is at same horizontal level; Base is fixed on the bottom of square set, can make magnetic suspension experiment object maintenance level by the mass screw of regulating on the base; Described magnetic levitation signal processing unit comprises PSD signal Processing, data acquisition interface and coil driver; Described computer control unit is equipped with pci data capture card and Control Software.
2, magnetic suspension experiment device as claimed in claim 1 is characterized in that: described magnetic ball float is the stainless steel iron ball, the controlling object during as experiment.
3, magnetic suspension experiment device as claimed in claim 1 is characterized in that: described position detector comprises I/V change-over circuit and PSD position transducer, perhaps photodiode components.
4, magnetic suspension experiment device as claimed in claim 1 is characterized in that: described light source is infrared light generator or laser generator.
5, magnetic suspension experiment device as claimed in claim 1 is characterized in that: described coil driver is a current driver, promptly is connected into the form of compound Darlington transistor by two triodes, and emitter-base bandgap grading is as output stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201710417U CN201417536Y (en) | 2008-12-18 | 2008-12-18 | Magnetic suspension experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008201710417U CN201417536Y (en) | 2008-12-18 | 2008-12-18 | Magnetic suspension experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201417536Y true CN201417536Y (en) | 2010-03-03 |
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ID=41793961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008201710417U Expired - Lifetime CN201417536Y (en) | 2008-12-18 | 2008-12-18 | Magnetic suspension experiment device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201417536Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101989389A (en) * | 2010-06-24 | 2011-03-23 | 崔龙 | Magnetic suspension device |
| CN103489358A (en) * | 2013-09-18 | 2014-01-01 | 北京天路时代电气设备有限责任公司 | Magnetic suspension experimental setup |
| CN103489357A (en) * | 2013-09-18 | 2014-01-01 | 北京天路时代电气设备有限责任公司 | Control circuit of magnetic suspension experimental setup |
| CN104635511A (en) * | 2015-02-03 | 2015-05-20 | 西安交通大学 | Magnetic suspension small sphere control experiment table based on model design and automatic code generation |
| CN106652695A (en) * | 2017-01-09 | 2017-05-10 | 合肥工业大学智能制造技术研究院 | Self-suspension device of magnetic levitation system and control method of self-suspension device |
| CN104867393B (en) * | 2015-05-21 | 2017-05-24 | 浙江大学 | Magnetic suspension balance beam experiment device |
| CN107942726A (en) * | 2017-11-28 | 2018-04-20 | 浙江工业大学 | A kind of magnetic levitation ball lever system HWIL simulation experiment porch based on accelerated model |
| CN108873947A (en) * | 2018-06-05 | 2018-11-23 | 浙江工业大学 | A kind of network-control magnetic levitation ball experiment porch based on Ethernet |
| CN109765065A (en) * | 2019-03-04 | 2019-05-17 | 西南交通大学 | A kind of vertical electric suspension test platform |
-
2008
- 2008-12-18 CN CN2008201710417U patent/CN201417536Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101989389A (en) * | 2010-06-24 | 2011-03-23 | 崔龙 | Magnetic suspension device |
| CN103489358A (en) * | 2013-09-18 | 2014-01-01 | 北京天路时代电气设备有限责任公司 | Magnetic suspension experimental setup |
| CN103489357A (en) * | 2013-09-18 | 2014-01-01 | 北京天路时代电气设备有限责任公司 | Control circuit of magnetic suspension experimental setup |
| CN103489357B (en) * | 2013-09-18 | 2015-12-23 | 北京天路时代电气设备有限责任公司 | The control circuit of magnetic suspension experiment device |
| CN104635511A (en) * | 2015-02-03 | 2015-05-20 | 西安交通大学 | Magnetic suspension small sphere control experiment table based on model design and automatic code generation |
| CN104867393B (en) * | 2015-05-21 | 2017-05-24 | 浙江大学 | Magnetic suspension balance beam experiment device |
| CN106652695A (en) * | 2017-01-09 | 2017-05-10 | 合肥工业大学智能制造技术研究院 | Self-suspension device of magnetic levitation system and control method of self-suspension device |
| CN107942726A (en) * | 2017-11-28 | 2018-04-20 | 浙江工业大学 | A kind of magnetic levitation ball lever system HWIL simulation experiment porch based on accelerated model |
| CN108873947A (en) * | 2018-06-05 | 2018-11-23 | 浙江工业大学 | A kind of network-control magnetic levitation ball experiment porch based on Ethernet |
| CN109765065A (en) * | 2019-03-04 | 2019-05-17 | 西南交通大学 | A kind of vertical electric suspension test platform |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100303 |
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| CX01 | Expiry of patent term |