CN207652057U - A kind of two level power electronic instruction Practice Platforms - Google Patents
A kind of two level power electronic instruction Practice Platforms Download PDFInfo
- Publication number
- CN207652057U CN207652057U CN201721668924.4U CN201721668924U CN207652057U CN 207652057 U CN207652057 U CN 207652057U CN 201721668924 U CN201721668924 U CN 201721668924U CN 207652057 U CN207652057 U CN 207652057U
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- CN
- China
- Prior art keywords
- control
- plate
- power supply
- conditioning plate
- instruction practice
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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.)
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Abstract
The utility model discloses a kind of two level power electronic instruction Practice Platforms, including sequentially connected MCU core controllers, control conditioning plate, driving plate, control conditioning plate is also connected with electric power supply control system, driving plate connects power section power supply system, and MCU core controllers in port grafting control conditioning plate control conditioning plate, driving plate by being both provided with multiple second development interfaces；The utility model provides second development interface; industrial automation can be easily applied to; control power supply and the independently-powered control of power power-supply; defencive function is complete; the basic softwares function modules such as PWM generations are provided; and controller can be quickly updated as needed, MCU core controllers and control conditioning plate hardware can directly combine selection, not need integral replacing.Internal circuit and component visualization, start to put into practice convenient for researcher.Integrated manipulator program debugging, downloader, without additional independent download apparatus.Cost of investment is reduced, the development time is saved.
Description
Technical field
The utility model belongs to power electronic equipment technical field, and in particular to a kind of two level power electronic instructions practice
Platform.
Background technology
Currently, each colleges and universities, company focus on the culture power electronic technique talent that starts in terms of software and hardware two, rapidly build
Profession, the hardware platform stablized can be only achieved the purpose of the research and probe and development of scientific research project of carrying out Novel Control.It is existing
Some Power Electronic Experimentation platforms lay particular emphasis on it is confirmatory start to put into practice, experimental provision is closed design, only reserves external connect
Mouthful, experimenter can not contact and change internal hardware parameter；For different research approaches, it is difficult to carry out hardware expanding and
Variation, cannot achieve new Research Requirements, therefore the comprehensive utilization ratio of equipment is weaker, can not carry out multifarious application and grind
Study carefully.
Utility model content
The utility model aim is to provide a kind of two level power electronic instruction Practice Platforms, provides second development interface,
Industrial automation can be easily applied to.
The utility model is the technical scheme adopted is that a kind of two level power electronic instruction Practice Platforms, including MCU cores
Heart controller, MCU core controllers connect control conditioning plate by socket, and control conditioning plate connects driving plate, controls conditioning plate
It is also connected with electric power supply control system, driving plate connects power section power supply system, is both provided on control conditioning plate, driving plate multiple
Second development interface.
The utility model is also characterized by：
Electric control system, power section power supply system connect emergency stop switch jointly.
It is connected by winding displacement between control conditioning plate, driving plate.
Control conditioning plate connecting communication plate.
Driving plate is also connected with input/outgoing interface, DC bus terminals P, DC bus terminal N.
The utility model have the beneficial effect that for：
1) a kind of two level power electronic instruction Practice Platforms of the utility model have second development interface, can easily by
It is applied to the new energy such as motor control, power supply control, inverter, electric protection device, data acquisition device and industry is automatic
Change field；
2) a kind of two level power electronic instruction Practice Platforms of the utility model provide vertical, horizontal scientific research project study of hardware
Condition, the basic softwares function module such as PWM generations, and MCU core controllers can be quickly updated as needed；
3) a kind of two level power electronic instruction Practice Platforms of the utility model adapt to Scientific Research Projects separate unit or small quantities of
Amount demand, MCU core controllers and control conditioning plate hardware can be selected directly, and engineering, safety, EMC, reliability requirement are met.
Various modulus calibration are provided, the development time is saved.
Description of the drawings
Fig. 1 is a kind of two level power electronic instruction Practice Platform structural schematic diagrams of the utility model；
Fig. 2 is a kind of two level power electronic instruction Practice Platform system framework figures of the utility model；
Fig. 3 is that a kind of two level power electronic instruction Practice Platforms of the utility model are applied to hand over straight friendship motor transmission system
Structure chart；
Fig. 4 is that a kind of two level power electronic instruction Practice Platforms of the utility model are active applied to solar energy power generating
The structure chart of inversion system；
Fig. 5 is that a kind of two level power electronic instruction Practice Platform two level of energy in bidirectional flow of the utility model are back-to-back
Motor driven systems structure chart.
In figure, 1.MCU core controllers, 2. control conditioning plates, 3. driving plates, 4. electric power supply control systems, 5. power sections
Power supply system, 6. emergency stop switch, 7. winding displacements, 8. communication boards, 9. inputs/outgoing interface, 10. DC bus terminals Ps, 11. direct currents are female
Line terminals N.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and detailed description.
The utility model two level power electronic instruction Practice Platforms of one kind, as shown in Figure 1, including MCU core controllers
1, MCU core controller 1 connects control conditioning plate 2 by socket, and control conditioning plate 2 connects driving plate 3, and control conditioning plate 2 is also
Electric power supply control system 4 is connected, driving plate 3 connects power section power supply system 5, is both provided on control conditioning plate 2, driving plate 3
Multiple second development interfaces.
Electric control system 4, power section power supply system 5 connect emergency stop switch 6 jointly.
It is connected by winding displacement 7 between control conditioning plate 2, driving plate 3.
Control 2 connecting communication plate 8 of conditioning plate.
Driving plate 3 is also connected with input/outgoing interface 9, DC bus terminals P 10, DC bus terminal N11.
The utility model two level power electronic instruction Practice Platform internal circuit configuration figures of one kind are as shown in Fig. 2, power supply
System consists of two parts：Electric power supply control system 4, power section power supply system 5, after the switch of power section power supply system 5 is closed
To DC bus powered, the switch of electric power supply control system 4 gives accessory power supply power supply after being closed；If first closed power part supply system
5 switches, then software control will ensure to block PWM outputs, otherwise, should first be closed electric power supply control system 4 from safety considerations and open
It closes, sequential is normal after 1 power-up initializing of guarantee MCU core controllers.It therefore, should be first through power supply control in operating platform
The upper 220V controls electricity of the switch of system 4, after each section circuit normal work, closed power part supply system 5.When power-off, first
Power section power supply system 5 is opened, then disconnects electric power supply control system switch.The aviation plug used in the utility model is taken anti-
Slow-witted design, avoids machine or personal injury caused by the operation error of user.Control conditioning plate 2 and driving plate 3 pass through winding displacement 7
It is flexible coupling, is convenient for changing.Determine that the platform is full by DC bus terminal N10 and DC bus terminal N11 various combinations
The requirement of sufficient different application systems.For the system that different capacity requires, TLI200 platforms can directly replace different main power amplifier boards.
Fig. 3 is that a kind of two level power electronic instruction Practice Platforms of the utility model are applied to hand over straight friendship motor transmission system
Structure chart.
This includes using main circuit；Network voltage enters three-phase uncontrollable rectifier circuit and obtains DC bus-bar voltage, by inverse
Become the adjustable three-phase voltage of device output frequency, supplies asynchronous machine or synchronous motor；
Control loop：Control core using high speed processor DSP as whole system, by acquiring DC voltage electricity
Flow signal, the parameters such as motor rotor position information that the encoded device of phase current signal and motor of inverter is measured, logic
After calculating, corresponding switching signal is exported through PWM module, driving switch pipe enables motor to carry out closed loop adjusting.Meanwhile DSP
Acquire the information such as IGBT fault messages and temperature humidity, protective effect of the complete field to whole system.For ease of user's operation,
Include RS485 in circuit, SPI communication interface directly controls the platform into line command and upper by equipment such as touch screens
The functions such as machine monitoring.
Fig. 4 is that a kind of two level power electronic instruction Practice Platforms of the utility model are active applied to solar energy power generating
The structure chart of inversion system.
This is that solar energy photovoltaic panel sends out DC signal using main circuit, is alternating current by inverter inversion, through LCL
Power grid is supplied after filtering.It replaces three-phase commutation bridge as input using solar energy photovoltaic panel, direct current is added between port 10 and 11
Breaker.Udc, Idc, insulation impedance etc. are detected in the application control circuit in DC side, and exchange side detects network voltage and grid-connected
Current signal, IGBT fault signal etc. can all be fed back in DSP core controller, and PWM driving letters are sent out by controller control
Number drive circuit operation.Humiture sampling and control are contained in circuit, RS485, power supply and LCD are shown, can effectively be shown
Show and protect circuit.
Fig. 5 is that a kind of two level power electronic instruction Practice Platform two level of energy in bidirectional flow of the utility model are back-to-back
Motor driven systems structure chart.
This graph topological structure is composed in parallel by two TIL200 power electronics platforms corresponding ports 10 with 11, realizes energy four
Quadrant flows.When motor is operated in motoring condition, the DSP of Commutation control unit generates the pwm pulse control of 6 road high frequencies
6 IGBT's of rectification side turns on and off.Turning on and off for IGBT is produced and is inputted with input reactance device collective effect
The consistent sinusoidal current waveform of voltage-phase eliminates ± 1 harmonic waves of 6K of diode rectifier bridge generation.At this time energy from power grid by
Commutating circuit and inversion circuit flow direction motor, frequency converter are operated in first, third quadrant.When electric motor operation is in generating state
When, the energy that motor generates feeds back to DC bus by the diode of inverter side, when DC bus-bar voltage is more than certain
Value, rectification side energy feedback control section start, will by controlling inverter voltage phase and amplitude by DC inversion at exchange
Amount feeds back to power grid, reaches energy-efficient effect.Energy flows to power grid by motor by inverter side, rectification side at this time.Frequency converter work
Make in two, four-quadrant.The control loop of the system includes two CSTR core controller, SPI, CAN, RS485, and host computer can pass through
Upper computer control system is run.
By the above-mentioned means, a kind of two level powers electronic instruction Practice Platform of the utility model has secondary development to connect
Mouthful, it is new can be easily applied to motor control, power supply control, inverter, electric protection device, data acquisition device etc.
The energy and industrial automation；The basic softwares function such as vertical, horizontal scientific research project study of hardware platform and PWM generations is provided
Module, and MCU core controllers can be quickly updated as needed；Adapt to Scientific Research Projects separate unit or Lumpy demand, MCU cores
Heart controller and control conditioning plate hardware can be selected directly, and engineering, safety, EMC, reliability requirement are met.Various moduluses are provided
The development time is saved in calibration.
Claims (5)
1. a kind of two level power electronic instruction Practice Platforms, which is characterized in that including MCU core controllers (1), the MCU
Core controller (1) controls conditioning plate (2), control conditioning plate (2) the connection driving plate (3), the control by port grafting
Conditioning plate (2) processed is also connected with electric power supply control system (4), driving plate (3) the connection power section power supply system (5), the control
Conditioning plate (2) processed, driving plate are both provided with multiple second development interfaces on (3).
2. two level power electronic instruction Practice Platforms of one kind as described in claim 1, which is characterized in that the electric control system
(4), power section power supply system (5) connects emergency stop switch (6) jointly.
3. two level power electronic instruction Practice Platforms of one kind as described in claim 1, which is characterized in that the control conditioning plate
(2), it is connected by winding displacement (7) between driving plate (3).
4. two level power electronic instruction Practice Platforms of one kind as described in claim 1, which is characterized in that the control conditioning plate
(2) connecting communication plate (8).
5. two level power electronic instruction Practice Platforms of one kind as described in claim 1, which is characterized in that the driving plate (3)
It is also connected with input/outgoing interface (9), DC bus terminals P (10), DC bus terminal N (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721668924.4U CN207652057U (en) | 2017-12-04 | 2017-12-04 | A kind of two level power electronic instruction Practice Platforms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721668924.4U CN207652057U (en) | 2017-12-04 | 2017-12-04 | A kind of two level power electronic instruction Practice Platforms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207652057U true CN207652057U (en) | 2018-07-24 |
Family
ID=62882231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721668924.4U Expired - Fee Related CN207652057U (en) | 2017-12-04 | 2017-12-04 | A kind of two level power electronic instruction Practice Platforms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207652057U (en) |
-
2017
- 2017-12-04 CN CN201721668924.4U patent/CN207652057U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20201204 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |