CN207704715U - A kind of Electronics in Electrical Engineering engineering training device - Google Patents
A kind of Electronics in Electrical Engineering engineering training device Download PDFInfo
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- CN207704715U CN207704715U CN201721100996.9U CN201721100996U CN207704715U CN 207704715 U CN207704715 U CN 207704715U CN 201721100996 U CN201721100996 U CN 201721100996U CN 207704715 U CN207704715 U CN 207704715U
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- 238000004870 electrical engineering Methods 0.000 title claims abstract description 48
- 238000012549 training Methods 0.000 title claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 238000002474 experimental method Methods 0.000 claims abstract description 16
- 235000008429 bread Nutrition 0.000 claims abstract description 13
- 238000004088 simulation Methods 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000012795 verification Methods 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 8
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- 230000005611 electricity Effects 0.000 claims description 6
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- 238000012216 screening Methods 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 4
- 238000003491 array Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 3
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- 238000007599 discharging Methods 0.000 description 5
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- 238000004082 amperometric method Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
The utility model is related to Electronics in Electrical Engineering fields, more particularly to a kind of Electronics in Electrical Engineering engineering training device, including bread board, further include power supply, threephase generator module, direct current generator module, load simulation module, voltage controlled current source module, high current constant flow module, the remote transmission experiment module of signal and Fundamental Theory of Electrical Engineering application module, power supply and above-mentioned each module build circuit by bread board.The device uses DC motor imitating mechanical sources, coaxially connected alternating current generator to generate AC three-phase, and high-power resistance is used in combination to simulate threephase load；Effective control of voltage-controlled current source output is realized by adjusting voltage；Node can be monitored by embedded voltage and current display module；High constant-current source generates the electric current of 0 2A, can be used for driving LED illumination lamp system；RLC resonance modules, circuit basic principle authentication module and diode applications module can realize that electrician's basic principle is tested, and have stronger practicability.
Description
Technical field
The utility model belongs to Electronics in Electrical Engineering technical field more particularly to a kind of Electronics in Electrical Engineering engineering training device.
Background technology
For a long time, Electronics in Electrical Engineering curriculum experiment with the connection in series-parallel etc. of Dai Weinan, Nuo Dun, superposition theorem, resistance for base
Plinth exploitation customization function puts into practice device, and versatility, autgmentability are poor, are not well positioned to meet innovative Electronics in Electrical Engineering project
Exploitation；Infrastest is based on the confirmatory analysis of basic principle, in addition three-phase alternating current is often leading with forceful electric power class, electrician
Electronic experiment room lacks the amperometry and verification of corresponding alternating current even without three-phase alternating current, experimental provision is introduced
Basic unit system is unfavorable for the combination of knowwhy and actual hardware circuit.
Utility model content
The purpose of this utility model is to provide a kind of analysis and test carrying out AC power, in conjunction with programmable MCU and
Feedback control principle realizes high current constant current output, drives high power load, realizes innovative Electronics in Electrical Engineering engineering project instruction
Experienced device, the device have stronger versatility and scalability.
To achieve the above object, the technical solution adopted in the utility model is：A kind of Electronics in Electrical Engineering engineering training device,
Further include power supply, threephase generator module, direct current generator module, load simulation module, voltage controlled current source including bread board
The remote transmission experiment module of module, high current constant flow module, signal and Fundamental Theory of Electrical Engineering application module, power supply and above-mentioned each module
Circuit is built by bread board.
In above-mentioned Electronics in Electrical Engineering engineering training device, power supply includes power module and energy supply control module, power supply
Module is connected with energy supply control module；Power module provides four groups of power supplys, is the power supply of+24V ,+12V ,+9V respectively, output electricity
Stream is 1A；The electric power outputting current of+5V is 3A.
In above-mentioned Electronics in Electrical Engineering engineering training device, threephase generator module uses wind-driven generator, output three
Phase alternating current；Output voltage is related to the rotating speed of shaft.
In above-mentioned Electronics in Electrical Engineering engineering training device, direct current generator module includes DC MOTOR CONTROL module and tune
Speed control and safe lock module, DC MOTOR CONTROL module are connected with speed regulating control and safe lock module；Safe lock module is realized
The break-make of motor power controls, and built-in-potential device controls output voltage, realizes the rotating speed control of direct current generator.
In above-mentioned Electronics in Electrical Engineering engineering training device, direct current generator module and threephase generator module are coaxial, and
Annular screw by three 120 degree of differences is coaxially connected.
In above-mentioned Electronics in Electrical Engineering engineering training device, load simulation module include triangular load AM access module,
Star-like load AM access module and 50 tile load arrays.
In above-mentioned Electronics in Electrical Engineering engineering training device, voltage controlled current source module uses a pair of identical NPN
Triode, one make refer to triode, another makees image current output triode, using base stage interconnect and with reference to triode
The connected mode of collector form mirror current source, realize the output of 0-20mA image currents.
In above-mentioned Electronics in Electrical Engineering engineering training device, high current constant flow module uses C8051F021.
In above-mentioned Electronics in Electrical Engineering engineering training device, the remote transmission experiment module of signal passes through resistance and capacitance
Combine analog wireline transmission channel, for the circuit consumption in analytic signal transmission process, the condition of signal Analysis transmission carries out
The screening of voltage signal and current signal transfer.
In above-mentioned Electronics in Electrical Engineering engineering training device, Fundamental Theory of Electrical Engineering application module includes that circuit basic principle is tested
Card, maximum power transfer module, RC filter modules, RCL resonance modules, voltage and current display module, integrated transporting discharging module and two
Pole pipe application module, the verification of circuit basic principle and above-mentioned each module build circuit by bread board.
The utility model has the beneficial effects that：The input of low-voltage alternating-current three-phase electricity power supply is increased, is that Electronics in Electrical Engineering is real
The comprehensive of experiment device power supply has carried out beneficial complement；By the introducing of high current constant flow module, the power-supplying forms of power supply obtain
To extensive extension；Signal transmission and the link of signal analysis are established by the exploitation of the remote transmission experiment module of signal,
A kind of new departure is provided for Electronics in Electrical Engineering engineering training；By circuit basic principle authentication module set up establish and its
Its Electronics in Electrical Engineering experimental system is mutually linked；Be conducive to the optimization of Electronics in Electrical Engineering experimental system.Laboratory is overcome not have
There is the limitation that three-phase alternating current inputs, and introduce the danger that three-phase alternating current carries out light current experiment, is Electronics in Electrical Engineering
Engineering training device increases wider power supply link.Highly practical, the autgmentability height of whole device, and cost is relatively low.
Description of the drawings
Fig. 1 is the utility model one embodiment structural schematic diagram；
Fig. 2 is the utility model one embodiment modular structure block diagram；
Fig. 3 is the feedback control composition frame chart of the utility model one embodiment high current constant flow module.
Specific implementation mode
The embodiment of the utility model is described in detail below in conjunction with the accompanying drawings.
The present embodiment realized using following technical scheme, a kind of Electronics in Electrical Engineering engineering training device, including bread board,
Further include power supply, threephase generator module, direct current generator module, load simulation module, voltage controlled current source module, high current
The remote transmission experiment module of constant flow module, signal and Fundamental Theory of Electrical Engineering application module, power supply and above-mentioned each module pass through bread board
Build circuit.
Further, power supply includes power module and energy supply control module, and power module is connected with energy supply control module；Power supply
Module provides four groups of power supplys, is the power supply of+24V ,+12V ,+9V respectively, output current is 1A；The electric power outputting current of+5V
For 3A.
Further, threephase generator module uses wind-driven generator, exports three-phase alternating current；Turn of output voltage and shaft
It is fast related.
Further, direct current generator module includes DC MOTOR CONTROL module and speed regulating control and safe lock module, direct current
Machine control module is connected with speed regulating control and safe lock module；Safe lock module realizes the break-make control of motor power, in-built electrical
Position device controls output voltage, realizes the rotating speed control of direct current generator.
Further, direct current generator module and threephase generator module are coaxial, and pass through the annular screw of three 120 degree of differences
It is coaxially connected.
Further, load simulation module includes triangular load AM access module, star-like load AM access module and 50 tile loads
Array.
Further, voltage controlled current source module uses a pair of identical NPN triode, makees for one to refer to triode, separately
One is made image current output triode, and group is mirrored into such a way that base stage interconnects and is connected with the collector with reference to triode
Current source realizes the output of 0-20mA image currents.
Further, high current constant flow module uses C8051F021.
Further, the remote transmission experiment module of signal simulates wireline transmission channel by resistance and capacitor combination, is used for
Circuit consumption in analytic signal transmission process, the condition of signal Analysis transmission, progress voltage signal and current signal transfer
Screening.
Further, Fundamental Theory of Electrical Engineering application module includes the verification of circuit basic principle, maximum power transfer module, RC filtering
Module, RCL resonance modules, voltage and current display module, integrated transporting discharging module and diode applications module, circuit basic principle are tested
Card and above-mentioned each module build circuit by bread board.
When it is implemented, as shown in Figure 1, a kind of Electronics in Electrical Engineering engineering training device, the device include power supply, three-phase hair
Motor module, direct current generator module, load simulation module, voltage controlled current source module, high current constant flow module, signal long distance
From transmission experiment module and Fundamental Theory of Electrical Engineering application module.
Moreover, power supply includes power module and energy supply control module, power module can provide+24V, 1A ,+12V, 1A ,+
Tetra- groups of power supplys of 9V, 1A ,+5V, 3A while the power supply to internal each functional unit is realized by energy supply control module.
Moreover, threephase generator module, can carry out three with the wind-driven generator in wind power generation plant using day sun and intersect
The power generation of galvanic electricity, the three-phase alternating-current supply can be load simulation module and diode applications module for power supply.Its output voltage with
The rotating speed of shaft is related.
It is connected with speed regulating control and safe lock module moreover, direct current generator module includes DC MOTOR CONTROL module, passes through
It adjusts speed setting controller realization to control the rotating speed of direct current generator, while safe lock module can be to the power supply of entire module
Realize control.Safety lock realizes that the break-make control of motor power, built-in-potential device control output voltage, realizes turning for direct current generator
Speed control.The shaft of its motor and threephase generator shaft are coaxial, are used in combination the annular screw of three 120 degree of differences to carry out coaxial
Connection.
Moreover, load simulation module is by star-like load AM access module, triangular load AM access module and 50 watts of load battle array
Row composition, simulates the load of three-phase electricity, realizes the test of the power and energy principle of principles of electric and electronic engineering alternating current.
Moreover, high current constant flow module uses C8051F021 for key control unit, pass through the ADC built in C8051F021
The electric current of load is acquired, while passing through data analysis, and is compared with the output current of setting, by the error of control
Signal is realized by the DAC interfaces of C8051F021 realizes that the voltage of output carries out feedback control to DC_DC converters.Work as output
When electric current is less than setting value, the output voltage of DC_DC converters is improved, otherwise reduces output voltage, it is made dynamically to be controlled
System, it is finally consistent with the electric current of setting.The constant current of 0-2A may be implemented by the principle of feedback control for high current constant flow module
Output, output can drive LED illumination array of display.
Moreover, voltage controlled current source module, using a pair of identical NPN triode, one is made to refer to triode, one
Make image current output triode, image current is formed in such a way that base stage interconnects and is connected with the collector with reference to triode
Source adjusts and refers to transistor collector resistance, can realize 0-20mA outputs.
Moreover, signal remote transmission experiment module wireline transmission channel simulated by resistance and capacitor combination, it can be achieved that
Wire channel transmission characteristic is analyzed and is verified, while voltage signal and current signal are carried out signal with analog channel respectively
Transmission, can complete the analysis and verification of transmission basic theories.The remote transmission experiment module of signal passes through resistance and capacitance
Combine analog wireline transmission channel, analytic signal transmit during circuit consumption, signal Analysis transmission condition, into
The screening of row voltage signal and current signal transfer.
Moreover, Fundamental Theory of Electrical Engineering application module includes the verification of circuit basic principle, RC filter modules, RCL resonance modules, voltage
Electric current display module, integrated transporting discharging module, diode applications module；The verification of circuit basic principle, RC filter modules, RCL resonance
Module, voltage and current display module, integrated transporting discharging module, diode applications module are reasonably combined by bread board, can
To complete the basic experiment in Electronics in Electrical Engineering principle curricular system, the basic rank with basic Electronics in Electrical Engineering experimental system is realized
It connects.
Device described in the present embodiment uses DC motor imitating mechanical sources, coaxially connected alternating current generator to generate exchange
Three-phase electricity is used in combination high-power resistance to simulate threephase load；Effective control of voltage-controlled current source output is realized by adjusting voltage；It can
Node is monitored by embedded voltage and current display module；High constant-current source generates the electric current of 0-2A, can be used for driving
Dynamic LED illumination lamp system；RLC resonance modules, circuit basic principle authentication module and diode applications module can realize electrician
Basic principle is tested, and has stronger practicability.
As shown in Fig. 2, a kind of Electronics in Electrical Engineering engineering training device of the present embodiment, including power module, threephase generator
Module, DC MOTOR CONTROL module, speed regulating control and safe lock module, energy supply control module, triangular load AM access module, star
Shape loads AM access module, 50 tile load arrays, bread board, voltage and current display module, integrated transporting discharging module, voltage control electric current
The remote transmission experiment module of source module, maximum power transfer module, high current constant flow module, signal, circuit basic principle are tested
Card, RC filter modules, RLC resonance modules and diode applications module.
The power module using providing four groups of DC power supplies ,+24V ,+12V ,+9V supply current be 1A ,+
The output current of 5V can reach 3A, while alternating current generator being used to provide the three-phase alternating-current supply of low-voltage for experimental system,
The variation of ac output voltage is realized by the speed regulating control of direct current generator, and by loading array and the basic application module of circuit
Realize its basic application；The use dilatancy for increasing current source by high current constant flow module, passes through feedback control principle
Increase the stability of the output current of constant-current source；The design verified by circuit basic principle enhances design, emulation, verification
Relevance, enhance theory with practice compactness and practicability.
As shown in figure 3, a kind of feedback control of the high current constant flow module of Electronics in Electrical Engineering engineering training device of the present embodiment
Composition frame chart processed, only the parts related to this embodiment are shown for convenience of description.
High current constant flow module described in the present embodiment, the supply voltage used for+24V, the electric current of input up to 3A,
The kernel control chip of DC_DC uses XL6009, output voltage to be divided by R1, R2, and the DAC of MCU feedback outputs is electric
Pressure carries out voltage synthesis by R3, forms the reference voltage of DC_DC converters, realizes the control to output voltage；Output voltage
After load resistance and sample resistance, electric current is converted into control voltage by sample resistance, after the amplification of AD620,
The ADC2 input ports of MCU are transported to, after the conversion of analog to digital, are calculated really by the internal processes of MCU
Output current.The output current of setting is sent into ADC1 by potentiometer, and setting voltage value carries out linear calibration with current value, when defeated
Go out the electric current that electric current is more than setting, reduce output voltage, otherwise increase output voltage, to realize output constant current.
It should be noted that above-described embodiment does not limit the type of chip, the DC_DC conversions in above-described embodiment can be used
Device can also use AC_DC converters, it might even be possible to use linear direct current regulated power supply；Amplifier and reference portfolios circuit
Composition form does not also limit with chip.But these selection schemes are within the protection domain of the present embodiment.
It should be understood that the part that this specification does not elaborate belongs to the prior art.
Although describing specific embodiment of the present utility model, those of ordinary skill in the art above in association with attached drawing
It should be appreciated that these are merely examples, various deformation or modification can be made to these embodiments, without departing from this practicality
Novel principle and essence.The scope of the utility model is only limited by the claims that follow.
Claims (9)
1. a kind of Electronics in Electrical Engineering engineering training device, including bread board, characterized in that including power supply, threephase generator module,
Direct current generator module, load simulation module, voltage controlled current source module, high current constant flow module, signal transmit reality at a distance
Module and Fundamental Theory of Electrical Engineering application module are tested, power supply and above-mentioned each module build circuit by bread board；Threephase generator module is adopted
With wind-driven generator, three-phase alternating current is exported；Output voltage is related to the rotating speed of shaft.
2. Electronics in Electrical Engineering engineering training device as described in claim 1, characterized in that power supply includes power module and power supply
Control module, power module are connected with energy supply control module；Power module provides four groups of power supplys, is+24V ,+12V ,+9V respectively
Power supply, output current is 1A；The electric power outputting current of+5V is 3A.
3. Electronics in Electrical Engineering engineering training device as described in claim 1, characterized in that direct current generator module includes direct current
Machine control module and speed regulating control and safe lock module, DC MOTOR CONTROL module are connected with speed regulating control and safe lock module；
Safe lock module realizes that the break-make control of motor power, built-in-potential device control output voltage, realizes the rotating speed control of direct current generator
System.
4. Electronics in Electrical Engineering engineering training device as described in claim 1, characterized in that direct current generator module and three-phase generation
Machine module is coaxial, and coaxially connected by the annular screw of three 120 degree of differences.
5. Electronics in Electrical Engineering engineering training device as described in claim 1, characterized in that load simulation module includes triangle
Load AM access module, star-like load AM access module and 50 tile load arrays.
6. Electronics in Electrical Engineering engineering training device as described in claim 1, characterized in that voltage controlled current source module uses
A pair of identical NPN triode is made for one to refer to triode, another is made image current output triode, is interconnected using base stage
And the mode being connected with the collector with reference to triode forms mirror current source, realizes the output of 0-20mA image currents.
7. Electronics in Electrical Engineering engineering training device as described in claim 1, characterized in that high current constant flow module uses
C8051F021。
8. Electronics in Electrical Engineering engineering training device as described in claim 1, characterized in that the remote transmission experiment module of signal
Wireline transmission channel is simulated by resistance and capacitor combination, for the circuit consumption in analytic signal transmission process, signal Analysis
The condition of transmission carries out the screening of voltage signal and current signal transfer.
9. Electronics in Electrical Engineering engineering training device as described in claim 1, characterized in that Fundamental Theory of Electrical Engineering application module includes electricity
The verification of roadbed present principles, maximum power transfer module, RC filter modules, RCL resonance modules, voltage and current display module integrate
Amplifier module and diode applications module, the verification of circuit basic principle and above-mentioned each module build circuit by bread board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721100996.9U CN207704715U (en) | 2017-08-30 | 2017-08-30 | A kind of Electronics in Electrical Engineering engineering training device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721100996.9U CN207704715U (en) | 2017-08-30 | 2017-08-30 | A kind of Electronics in Electrical Engineering engineering training device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110989398A (en) * | 2019-12-12 | 2020-04-10 | 广州高谱技术有限公司 | Electrical control circuit simulation system |
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2017
- 2017-08-30 CN CN201721100996.9U patent/CN207704715U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110989398A (en) * | 2019-12-12 | 2020-04-10 | 广州高谱技术有限公司 | Electrical control circuit simulation system |
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