CN204576921U - A kind of Digital Electric electronic experimental device - Google Patents
A kind of Digital Electric electronic experimental device Download PDFInfo
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- CN204576921U CN204576921U CN201520113320.8U CN201520113320U CN204576921U CN 204576921 U CN204576921 U CN 204576921U CN 201520113320 U CN201520113320 U CN 201520113320U CN 204576921 U CN204576921 U CN 204576921U
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Abstract
The utility model discloses a kind of Digital Electric electronic experimental device, comprise real-time controlling unit (1), signal protection module (2) and suspension member district, described suspension member district grafting experiment modular assembly; Described test modular assembly is all connected with described signal protection module (2), and signal protection module (2) is connected with real-time controlling unit (1).What controller of the present utility model adopted is that real-time controlling unit is as controller, its powerful and stable performance, high precision, can easily the electric power electronic modules etc. such as AC servo motor, the rectification of single-phase bridge half control be carried out theoretical algorithm checking and be controlled in real time, solve conventional motors controller, the limited precision of Power Electronic Experimentation and the drawback that cannot control in real time of pure simulation algorithm.
Description
Technical field
The utility model relates to a kind of experiment teaching instrument, what be specifically related to is a kind of Power Electronic Experimentation device adopting Design of digital.
Background technology
The specialties such as the robotization in current domestic higher vocational college and institution of higher learning all need the specialized courses such as study Electrical Motor, Power Electronic Technique, automatic control system, and the Learning demands of these courses impart knowledge to students by experiment theory is combined actual.Student so just can be made better to deepen theory study, grasp essence and improve manipulative ability.But now domestic equipment is all comparatively simple and experiment content is less while to be verified as master, the experiment that school requires day by day cannot be met there is comprehensive, explorative, advanced requirement, also cannot catch up with the paces of Development of Power Electronic Technology.
Prior art, Digital Electric electronic test device is generally custom-made device, and different tests needs corresponding device, tests single, and exploration is not strong.
Utility model content
Utility model object: a kind ofly have comprehensive, explorative, advanced for the defect the utility model overcoming above experimental provision provides and adapt to the Digital Electric electronic experimental device of Development of Power Electronic Technology needs.
Technical solutions of the utility model are as follows:
A kind of Digital Electric electronic experimental device, comprises real-time controlling unit, signal protection module and suspension member district, suspension member district grafting experiment modular assembly;
Experiment modular assembly is all connected with signal protection module, and signal protection module is connected with real-time controlling unit.
The experiment module assembly of suspension member district grafting is stand-alone assembly structure, comprise AC servo motor hardware in loop module, single-phase bridge half control rectification module, three phase ac voltage regulation module, single phase ac regulation module, three-phase thyristor complete/half-controlled bridge zero formula rectification module, SPWM control blow-up orthogonal frequency-variable module, IGBT DC chopper circuit.
AC servo motor hardware in loop module can complete the demonstration test of AC servo experiment and SVPWM experiment and various algorithm; Single-phase bridge half control rectification module can complete single phase-controlled rectification circuit experiment; Three phase ac voltage regulation module can complete three phase voltage regulating experiment; Single phase ac regulation module can complete single phase ac regulation experiment; Three-phase thyristor is complete/and half-controlled bridge (zero) formula rectification module can complete three-phase thyristor rectification experiment; SPWM controls blow-up orthogonal frequency-variable module can complete the research that SPWM controls blow-up orthogonal frequency changer circuit; IGBT DC chopped-wave module can complete DC chopped-wave experiment.
AC servo motor hardware in loop module comprises work drive motor driving governor, AC servo motor, torque sensor unit, tunable load unit, load controller; Work drive motor driving governor, torque sensor unit, load controller are all connected with signal protection module.
Test AC servo motor is connected between work drive motor driving governor, torque sensor unit; Tunable load unit is connected between torque sensor unit, load controller.
In AC servo motor hardware in loop module, work drive motor driving governor comprises high voltage supply module, photoelectric isolation module, power chip supply module, power driver module, coder module, current sensor, voltage sensor, work drive motor power module, protection circuit module;
High voltage supply module is connected with work drive motor power module, and photoelectric isolation module, power chip supply module, work drive motor power module, protection circuit module are all connected with power driver module, power driver module joint test AC servo motor;
Real-time controlling unit connects power driver module by signal protection module, photoelectric isolation module, and coder module, current sensor, voltage sensor be connection signal protection module, AC servo motor respectively.
Real-time controlling unit produces six road pwm signals and is transported to work drive motor driving governor by signal protection module, work drive motor driving governor is connected by three-phase power line, signal wire with test AC servo motor, work drive motor driving governor controls the operation of AC servo motor, and obtains position and the velocity information of test AC servo motor;
The real time data of the AC servo motor that work drive motor driving governor collects sends real-time controlling unit to by signal protection module;
The loading moment parameter that real-time controlling unit is arranged sends load controller to, load controller controls the loading moment that tunable load unit changes, simultaneously real-time controlling unit to the output signal of torque sensor unit by signal protection module Real-time Collection;
Tunable load unit, torque sensor unit, be coaxially connected with AC servo motor.
Tunable load unit is load motor.
In AC servo motor hardware in loop module, high voltage supply module is used for providing power supply for work drive motor power module, comprise connection terminal portion, rectifier bridge part, relay protection part, connection terminal portion, rectifier bridge part, relay protection part are linked in sequence successively;
The each lead-in wire of connection terminal portion is all arranged an electric capacity, for filtering.
In AC servo motor hardware in loop module, photoelectric isolation module 20 comprises No. six control circuits, the control of the pwm signal exported through signal protection module by real-time controlling unit, the input signal of optocoupler turn-on and turn-off IPM under pwm control signal effect.
In AC servo motor hardware in loop module, power chip supply module comprises the identical feed circuit in four tunnels, and feed circuit are separate each other;
Every bar feed circuit comprise 24V power supply and F2415S-2W integrated device, and 24V power supply, F2415S-2W integrated device are connected.
In AC servo motor hardware in loop module, work drive motor power module output motor working power is to power driver module, after the voltage transitions of high voltage supply module, output voltage is converted to machine operation power supply to work drive motor power module, simultaneously machine operation power supply obtains through power conversion chip the 24V power supply that power chip supply module exports, and for current sensor, voltage sensor provide power supply ± 12V direct supply;
± 12V direct supply connects current sensor, voltage sensor, for current sensor, voltage sensor provide power supply.
In AC servo motor hardware in loop module, protection circuit module comprises bus overvoltage under-voltage protecting circuit, IPM output abnormality protection circuit and protecting control circuit; Bus overvoltage under-voltage protecting circuit, IPM output abnormality protection circuit, soft start relay circuit are all connected with protecting control circuit.
The control circuit of photoelectric isolation module is controlled by pwm control signal, the input signal of turn-on and turn-off IPM (Intelligent Power Module, Intelligent Power Module) under the control signal effect of optocoupler in PWM; Every road optocoupler is all identical structure, controls six road signals.Here optocoupler is equivalent to a switch, plays the effect of buffer circuit, avoids mutual interference.
The utility model, by the control procedure of real-time controlling unit, sets up closed-loop simulation model, can, by servomotor process structure Real-time Feedback to servo-drive system, realize actual in ring test; All control signals are directly sent in real time by real-time controlling unit, and all data that will gather are by real-time controlling unit Real-time Collection; So native system is a kind of hardware in loop real-time system, have build Controlling model fast, efficiently, advantage easily.
What deserves to be explained is, the utility model implements control module and other control procedures are prior art control method, and the utility model protection content is device assembly and assembly annexation.
The beneficial effects of the utility model comprise:
1, the utility model can realize, AC servo is tested and SVPWM experiment, single phase-controlled rectification circuit, three-phase thyristor rectification experiment, DC chopped-wave experiment, three phase voltage regulating experiment, single phase ac regulation experiment, SPWM control blow-up orthogonal frequency changer circuit are tested, realize the comprehensive and explorative of test, there is advantages such as building model is quick, convenience, want simple relative to the control system of special DSP chip and save time; The utility model facilitates tested AC servo motor to access fast, and sets up closed-loop simulation model, can, by servomotor process structure Real-time Feedback to servo-drive system, realize actual in ring test;
2, all algorithms of Electric Machine Control directly realize with matlab/Simulink language in real-time controlling unit, and all control signals are directly sent in real time by real-time controlling unit, and all data that will gather are by real-time controlling unit Real-time Collection; So native system is a kind of hardware in loop real-time system, have build Controlling model fast, efficiently, advantage easily,
3, under the control of real-time controlling unit, load controller can control the tunable load that tunable load unit produces high precision, arbitrary form.
4, during this system cloud gray model, all operational factors, the intermediate calculation data of motor and load unit all by real-time controlling unit Real-time Collection, and can show in a graphical form;
5, relative to the control system based on special DSP chip etc., the utility model is wanted simple and is saved time, and can revise algorithm parameter by real-time online, be the Performance comparision of parameter optimization, various algorithm, and the parameter adjustment of control algolithm provides conveniently.
When 5, testing, all control signals are sent by real-time controlling unit; concrete controlled module is given through isolation module and protection module; all procedure parameters are gathered by real-time controlling unit; and show with the form such as figure, data; all control algolithms realize in Matlab/Simulink; fast, efficiently, be real digitized experimental provision.
Accompanying drawing explanation
Fig. 1 is Digital Electric electronic experimental device structured flowchart of the present utility model;
Fig. 2 is the structured flowchart of AC servo motor hardware in loop module of the present utility model;
Fig. 3 is the structured flowchart of work drive motor driving governor;
Fig. 4 is the structural representation of the high voltage supply module of work drive motor driving governor;
Fig. 5 is the structural representation of the photoelectric isolation module of work drive motor driving governor;
Fig. 6 is the structural representation of the power chip supply module of work drive motor driving governor;
Fig. 7 is the structural representation of the coder module of work drive motor driving governor;
Fig. 8 is the structural representation of the current sensor of work drive motor driving governor;
Fig. 9 is the structural representation of the voltage sensor of work drive motor driving governor;
Figure 10 is the structural representation of the work drive motor power module of work drive motor driving governor;
Figure 11 is the structural representation of the protection circuit module of work drive motor driving governor.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, technical solutions of the utility model are described in further detail, to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
For ease of understanding the utility model, set forth below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of Digital Electric electronic experimental device, comprises real-time controlling unit 1, signal protection module 2 and suspension member district, suspension member district grafting experiment modular assembly; Experiment modular assembly is all connected with signal protection module 2, and signal protection module 2 is connected with real-time controlling unit 1.
The experiment module assembly of suspension member district grafting is stand-alone assembly structure, comprise AC servo motor hardware in loop module 3, single-phase bridge half control rectification module 4, three phase ac voltage regulation module 5, single phase ac regulation module 6, three-phase thyristor complete/half-controlled bridge (zero) formula rectification module 7, SPWM control blow-up orthogonal frequency-variable module 8, IGBT DC chopper circuit 9.
AC servo motor hardware in loop module 3 can complete the demonstration test of AC servo experiment and SVPWM experiment and various algorithm; Single-phase bridge half control rectification module 4 can complete single phase-controlled rectification circuit experiment; Three phase ac voltage regulation module 5 can complete three phase voltage regulating experiment; Single phase ac regulation module 6 can complete single phase ac regulation experiment; Three-phase thyristor is complete/and half-controlled bridge (zero) formula rectification module 7 can complete three-phase thyristor rectification experiment; SPWM controls blow-up orthogonal frequency-variable module 8 can complete the research that SPWM controls blow-up orthogonal frequency changer circuit; IGBT DC chopped-wave module 9 can complete DC chopped-wave experiment.
As shown in Figure 2, AC servo motor hardware in loop module 3 comprises work drive motor driving governor 10, AC servo motor 11, torque sensor unit 12, tunable load unit 13, load controller 14; Work drive motor driving governor 10, torque sensor unit 12, load controller 14 are all connected with signal protection module 2.
Test AC servo motor 11 is connected between work drive motor driving governor 10, torque sensor unit 12; Tunable load unit 13 is connected between torque sensor unit 12, load controller 14.
As shown in Figure 3, in AC servo motor hardware in loop module 3, work drive motor driving governor 10 comprises high voltage supply module 15, photoelectric isolation module 20, power chip supply module 24, power driver module 19, coder module 21, current sensor 22, voltage sensor 23, work drive motor power module 16, protection circuit module 17;
High voltage supply module 15 is connected with work drive motor power module 16, photoelectric isolation module 20, power chip supply module 24, work drive motor power module 16, protection circuit module 17 are all connected with power driver module 19, power driver module 19 joint test AC servo motor 11;
Real-time controlling unit 1 connects power driver module 19 by signal protection module 2, photoelectric isolation module 20, and coder module 21, current sensor 22, voltage sensor 23 be connection signal protection module 2, AC servo motor 11 respectively.
Real-time controlling unit 1 produces six road pwm signals and is transported to work drive motor driving governor 10 by signal protection module 2, work drive motor driving governor 10 is connected by three-phase power line, signal wire with test AC servo motor 11, work drive motor driving governor 10 controls the operation of AC servo motor 11, and obtains position and the velocity information of test AC servo motor 11;
The real time data of the AC servo motor 11 that work drive motor driving governor 10 collects sends real-time controlling unit 1 to by signal protection module 2;
The loading moment parameter that real-time controlling unit 1 is arranged sends load controller 14 to, load controller 14 controls the loading moment that tunable load unit 13 changes, and the output signal of real-time controlling unit 1 pair of torque sensor unit 12 is by signal protection module 2 Real-time Collection simultaneously;
Tunable load unit 13, torque sensor unit 12 are coaxially connected with AC servo motor 11.Tunable load unit loads different loads to work drive motor, and meanwhile, torque sensor unit can gather the opposing torque of tunable load unit and AC servo motor.
Tunable load unit 13 is load motor.
In the present embodiment, real-time controlling unit 1 has been installed QuaRC real-time software and the Matlab software of Quanser Company, Matlab and QuaRC software comprises realization and optimum configurations part, loading moment setting unit and the dynamic performance parameter display section of motor control algorithms; The realization of motor control algorithms and optimum configurations part are used for modulator control signal PWM waveform, and are transported to work drive motor driving governor 10 by real-time control software; Loading moment setting unit, for controlling tunable load unit 13, produces adjustable load; The motor operation state data that dynamic performance parameter display section sends for showing work drive motor driving governor 10, for observing the operation conditions of whole system.
When testing, all control signals are sent by real-time controlling unit (PC+Quanser platform+data collecting card); concrete controlled module is given through isolation module and protection module; all procedure parameters are gathered by real-time controlling unit; and show with the form such as figure, data; all control algolithms realize in Matlab/Simulink; fast, efficiently, be real digitized experimental provision.
Shown in Fig. 4, in AC servo motor hardware in loop module 3, high voltage supply module 15 is for providing power supply for work drive motor power module 16, comprise connection terminal portion, rectifier bridge part, relay protection part, connection terminal portion, rectifier bridge part, relay protection part are linked in sequence successively;
The each lead-in wire of connection terminal portion is all arranged an electric capacity, for filtering; The model that rectifier bridge is selected is 6RI100G-160, and this model stable performance, makes AC conversion become direct current; That the relay of Part III adopts is NVF4-3A-Z80b, and when preventing from initially powering on, electric current is excessive and burn out circuit components.
Shown in Fig. 5; in AC servo motor hardware in loop module 3; photoelectric isolation module (20) comprises No. six control circuits, the control of the pwm signal exported through signal protection module 2 by real-time controlling unit 1, the input signal of optocoupler turn-on and turn-off IPM under pwm control signal effect.The control circuit of photoelectric isolation module is controlled by pwm control signal, the input signal of turn-on and turn-off IPM (Intelligent Power Module, Intelligent Power Module) under the control signal effect of optocoupler in PWM; Every road optocoupler is all identical structure, controls six road signals.Here optocoupler is equivalent to a switch, plays the effect of buffer circuit, avoids mutual interference.
Shown in Fig. 6, in AC servo motor hardware in loop module 3, power chip supply module 24 comprises the identical feed circuit in four tunnels, and feed circuit are separate each other;
Every bar feed circuit comprise 24V power supply and F2415S-2W integrated device, and 24V power supply, F2415S-2W integrated device are connected; Particularly, the input pin 1 of the power electric crimping F2415S-2W of 24V and pin 2, the output pin 7 of F2415S-2W and pin 5 connect the power supply terminal of optocoupler, at the output pin 7 of F2415S-2W and an indirect 1K resistance of pin 5, prevent electric current excessive and burn out F2415S-2W integrated device.
Fig. 7 is the structural representation of the coder module 21 of work drive motor driving governor, and input signal is converted into electric signal rear just subsequent treatment by scrambler.
As shown in Figure 8, current sensor 22 connects the ± QPIDe data collecting card of 12V direct supply and real-time controlling unit;
± 12V provides power supply for current sensor, between VDD-to-VSS, connect electric capacity prevent electromagnetic interference (EMI), obtain sample rate current by sampling resistor, by the analog input channel in QPIDe data collecting card, data are passed back in the QuaRC of real-time controlling unit 1, for control algolithm.
Fig. 9 is the structural representation of the voltage sensor 23 of work drive motor driving governor, and its principle of work is identical with current sensor 22.
Shown in Figure 10, in AC servo motor hardware in loop module 3, work drive motor power module 16 output motor working power is to power driver module 19, after the voltage transitions of high voltage supply module 15, output voltage is converted to machine operation power supply to work drive motor power module 16, simultaneously machine operation power supply obtains through power conversion chip the 24V power supply that power chip supply module 24 exports, and for current sensor 22, voltage sensor 23 provide power supply ± 12V direct supply;
± 12V direct supply connects current sensor 22, voltage sensor 23, for current sensor 22, voltage sensor 23 provide power supply.
Shown in Figure 11, in AC servo motor hardware in loop module 3, protection circuit module 17 comprises bus overvoltage under-voltage protecting circuit, IPM output abnormality protection circuit and protecting control circuit; Bus overvoltage under-voltage protecting circuit, IPM output abnormality protection circuit, soft start relay circuit are all connected with protecting control circuit.
Overvoltage and under-voltage protecting circuit comprise LM2903 and HCPL2631 two chips and form, and LM2903 is comparer, and input voltage, compared with 10V, is seen and whether reached overvoltage or undervoltage warning value, and HCPL2631 is optocoupler, plays buffer action.IPM output abnormality and busbar voltage overvoltage crowbar are isolated by two optocouplers, when occurring that abnormal signal optocoupler TLP181 turns off, stop the output of IPM; When there is busbar voltage overvoltage signal, by optocoupler HCPL0454, corresponding control signal is inputted to IPM, thus process overpressure situation.Soft start relay circuit input signal utilizes optocoupler AQW212 to control the bypass relay APA3312 of soft start resistance to realize opening and shutoff of 24V power circuit, realizes the defencive function of power amplifier board.
Below be only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. a Digital Electric electronic experimental device, is characterized in that, comprises real-time controlling unit (1), signal protection module (2) and suspension member district, described suspension member district grafting experiment modular assembly;
Described experiment modular assembly is all connected with described signal protection module (2), and signal protection module (2) is connected with real-time controlling unit (1).
2. Digital Electric electronic experimental device according to claim 1, it is characterized in that: the experiment module assembly of described suspension member district grafting is stand-alone assembly structure, comprise AC servo motor hardware in loop module (3), single-phase bridge half control rectification module (4), three phase ac voltage regulation module (5), single phase ac regulation module (6), three-phase thyristor complete/half-controlling bridged rectifier module (7), SPWM control blow-up orthogonal frequency-variable module (8), IGBT DC chopper circuit (9).
3. Digital Electric electronic experimental device according to claim 2, is characterized in that: described AC servo motor hardware in loop module (3) comprises work drive motor driving governor (10), AC servo motor (11), torque sensor unit (12), tunable load unit (13), load controller (14); Work drive motor driving governor (10), torque sensor unit (12), load controller (14) are all connected with signal protection module (2);
Test AC servo motor (11) is connected between work drive motor driving governor (10), torque sensor unit (12); Tunable load unit (13) is connected between torque sensor unit (12), load controller (14).
4. Digital Electric electronic experimental device according to claim 3, it is characterized in that: in described AC servo motor hardware in loop module (3), work drive motor driving governor (10) comprises high voltage supply module (15), photoelectric isolation module (20), power chip supply module (24), power driver module (19), coder module (21), current sensor (22), voltage sensor (23), work drive motor power module (16), protection circuit module (17);
High voltage supply module (15) is connected with work drive motor power module (16), photoelectric isolation module (20), power chip supply module (24), work drive motor power module (16), protection circuit module (17) are all connected with power driver module (19), and power driver module (19) joint test is with AC servo motor (11);
Real-time controlling unit (1) connects power driver module (19) by signal protection module (2), photoelectric isolation module (20), and coder module (21), current sensor (22), voltage sensor (23) be connection signal protection module (2), AC servo motor (11) respectively.
5. Digital Electric electronic experimental device according to claim 4, is characterized in that:
Work drive motor driving governor (10) is connected by three-phase power line, signal wire with test AC servo motor (11)
Tunable load unit (13), torque sensor unit (12), be coaxially connected with AC servo motor (11).
6. Digital Electric electronic experimental device according to claim 3, it is characterized in that: high voltage supply module (15) is for providing power supply for work drive motor power module (16), comprise connection terminal portion, rectifier bridge part, relay protection part, described connection terminal portion, rectifier bridge part, relay protection part are linked in sequence successively;
The each lead-in wire of connection terminal portion is all arranged an electric capacity.
7. Digital Electric electronic experimental device according to claim 3, is characterized in that: photoelectric isolation module (20) comprises No. six control circuits.
8. Digital Electric electronic experimental device according to claim 3, is characterized in that: protection circuit module (17) comprises bus overvoltage under-voltage protecting circuit, IPM output abnormality protection circuit and protecting control circuit; Described bus overvoltage under-voltage protecting circuit, IPM output abnormality protection circuit, soft start relay circuit are all connected with protecting control circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520113320.8U CN204576921U (en) | 2015-02-16 | 2015-02-16 | A kind of Digital Electric electronic experimental device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520113320.8U CN204576921U (en) | 2015-02-16 | 2015-02-16 | A kind of Digital Electric electronic experimental device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616575A (en) * | 2015-02-16 | 2015-05-13 | 南京工程学院 | Digital power electronic experiment device |
| CN111599256A (en) * | 2020-05-29 | 2020-08-28 | 徐州工业职业技术学院 | Experimental method and device for digital power electronic and electrical control |
-
2015
- 2015-02-16 CN CN201520113320.8U patent/CN204576921U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616575A (en) * | 2015-02-16 | 2015-05-13 | 南京工程学院 | Digital power electronic experiment device |
| CN104616575B (en) * | 2015-02-16 | 2017-06-20 | 南京工程学院 | A kind of Digital Electric electronic experimental device |
| CN111599256A (en) * | 2020-05-29 | 2020-08-28 | 徐州工业职业技术学院 | Experimental method and device for digital power electronic and electrical control |
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