CN209183082U - A kind of experimental teaching unit of integrated electronics route and FPGA course - Google Patents
A kind of experimental teaching unit of integrated electronics route and FPGA course Download PDFInfo
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- CN209183082U CN209183082U CN201821237777.XU CN201821237777U CN209183082U CN 209183082 U CN209183082 U CN 209183082U CN 201821237777 U CN201821237777 U CN 201821237777U CN 209183082 U CN209183082 U CN 209183082U
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- 238000002474 experimental method Methods 0.000 claims abstract description 96
- 235000008429 bread Nutrition 0.000 claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 238000005538 encapsulation Methods 0.000 claims description 11
- 238000012360 testing method Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 7
- 238000003491 array Methods 0.000 claims description 6
- 230000009897 systematic effect Effects 0.000 claims description 6
- 101000836978 Homo sapiens Sperm-associated antigen 11B Proteins 0.000 claims description 3
- 102100028654 Sperm-associated antigen 11B Human genes 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 6
- 238000011161 development Methods 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005669 field effect Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
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- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 238000009434 installation Methods 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model relates to the experimental teaching units of a kind of integrated electronics route and FPGA course, belong to experimental teaching unit technical field.The device includes experimental box body, set on the intracorporal substrate of the case, the power module being installed on substrate, element circuit module, basic analogous circuit experiment module, bread module, FPGA experiment module；Wherein, power module, element circuit module, FPGA experiment module are integrated on substrate；Basic analogous circuit experiment module is fixed on the location hole of substrate by holder device；Bread module is fixed on substrate by clamp device；Power module, element circuit module, basic analogous circuit experiment module, bread module, FPGA experiment module are attached by bus.The utility model has the characteristics that open-ended, clear in structure, mainboard is independent, module is general, solves the problems such as experimental courses that current similar product is carried out are single, and comprehensive and design experiment is not easy to development, is convenient for modern electronic technology course teaching.
Description
Technical field
The utility model relates to the experimental teaching units of a kind of integrated electronics route and FPGA course, belong to experimental teaching dress
Set technical field.
Background technique
Electronic technology development is rapid, is widely applied to the fields such as intelligent appliance, Industry Control, game.Currently, the whole nation is many
Electronic information type student has all opened up electronic technology practice course in university, and also all construction has single chip computer experiment room for domestic colleges and universities,
It is mainly equipped with electronic circuit comprehensive experiment box, student carries out related experiment by experimental box resource, to improve manipulative ability.Mesh
Preceding Experiment of Electronic Technology case in the market has the following problems: (1) experimental box usually can be only applied to the experiment religion of single course
It learns, such as Analogic Electronic Circuits experimental box, digital electron circuit experiment box.It is not easy to carry out and is related to the Comprehensive Experiment of more subjects
Teaching, FPGA is applied more and more especially in modern electronic technology, can integrate the experiment of FPGA, digital circuit, analog circuit
It is difficult to carry out in single experimental box.(2) circuit functions of modules is fixed on experimental box, is not provided and is freely designed convenient for student in fact
The bread board tested is not easy to student and carries out experiment designed.(3) it is convenient for inserting some high power devices such as without providing on experimental box
The socket of field-effect tube, power amplifier (encapsulation TO220-5, TO220-3).Chinese patent CN106710388A discloses a kind of modularization
Electronic technology integrated application experimental box, it is main including functionalization cabinet, the substrate and experiential function module board that are mounted on cabinet.
But the functional compartment only has analog circuit and digital circuit blocks, is unfavorable for student and does design or scalability experiment.
Utility model content
Technical problem to be solved in the utility model be student can be used experimental box carry out digital circuit, analog circuit and
The independent experiment of FPGA can also carry out the experimental teaching dress of a kind of the integrated electronics route and FPGA course of the Comprehensive Experiment of three
It sets.
In order to solve the above-mentioned technical problem the utility model uses following technical scheme:
A kind of experimental teaching unit of integrated electronics route and FPGA course, including experimental box body, be set to the cabinet in
Substrate, be installed on substrate power module, element circuit module, basic analogous circuit experiment module, bread module, FPGA
Experiment module；Wherein, the power module, element circuit module, FPGA experiment module are integrated on substrate；The basic simulation
Experiment of Electrical Circuits module is fixed on the location hole of substrate by holder device；The bread module is fixed on base by clamp device
On plate；The power module, element circuit module, basic analogous circuit experiment module, bread module, FPGA experiment module pass through
Bus is attached；The power module, for powering for experimental teaching unit；The element circuit module, for being electronics
Route experiment provides conventional device, test instrumentation and signal source；The basic analogous circuit experiment module, for providing a variety of bases
This analog circuit；The bread module, for taking examination electronic circuit and carrying out experiment designed；The FPGA experiment module is used
In for experiment FPGA control system, FPGA circuitry are provided.
Optimal technical scheme as the utility model: the power module includes four kinds of 5V, -5V, 12V, -12V fixations
Voltage and a kind of variable voltage 1.3V to 18V.
Optimal technical scheme as the utility model: the element circuit module include independent key, volometer,
TO220 encapsulation socket, multiturn potentiometer, continuous impulse source, pulse source, BCD coding display charactron, is patrolled at single-turn potentiometer
Collect level indicating, logic switch；The independent key, volometer, TO220 encapsulate socket, single-turn potentiometer, multi-turn current potential
Device, continuous impulse source, pulse source, BCD coding display charactron, logic level instruction, logic switch pass through bus and power supply
Module, basic analogous circuit experiment module, bread module are attached.
Optimal technical scheme as the utility model: the basic analogous circuit experiment module is the basic mould of multiple independences
Quasi- circuit experiment board；4 location holes are set on the substrate, are determined for setting 4 on each independent basic analogous circuit experiment plate
Position hole, consistent with position of positioning hole on substrate, each independent basic analogous circuit experiment plate is fixed by the bracket in substrate
On location hole；Each described independent basic analogous circuit experiment plate passes through bus and power module, element circuit module, bread
Module is attached.
Optimal technical scheme as the utility model: the bread module is bread board, and the bread board passes through screw
It is fixed on substrate with nut and is carried out by bus and power module, element circuit module, basic analogous circuit experiment module
Connection.
Optimal technical scheme as the utility model: the FPGA experiment module include FPGA minimum systematic module,
FPGA typical circuit module；The FPGA minimum systematic module is integrated on independent new substrate；The FPGA typical circuit module
It is integrated on the intracorporal substrate of the case；The new substrate of independence is connected with the intracorporal substrate of the case by row's needle, row mother
It connects；The FPGA minimum systematic module is FPGA minimum system plate, including fpga chip, clock circuit, reset circuit, storage electricity
Road, jtag test interface and AS download circuit；The FPGA minimum system plate is carried out by bus and power module, bread module
Connection；The FPGA typical circuit module includes group of four figures tube display, USB interface, three color dot battle arrays, matrix keyboard, FPGA
Level conversion expands mouth；The group of four figures tube display, USB interface, three color dot battle arrays, matrix keyboard, FPGA level conversion are opened up
Exhibition mouth is attached by bus and power module, bread module.
Optimal technical scheme as the utility model: the volometer uses three half voltage ammeters.
Optimal technical scheme as the utility model: the TO220 encapsulation socket is provided with TO220-3, TO220-5 type
Number encapsulation socket.
Optimal technical scheme as the utility model: continuous impulse source output frequency is the continuous of 1Hz to 100Hz
Pulse signal.
Optimal technical scheme as the utility model: the fpga chip uses the fpga chip of EP2C series.
The utility model compared with the prior art by using the above technical solution, has following technical effect that
1, it can both carry out single courses experiment, the Comprehensive Experiment of more subjects can also be carried out.Experimental box is provided with simulation electricity
Sub-line road, Digital Electrical Circuitry, FPGA common experimental circuit module, convenient for individually carrying out the experimental teaching of three subjects,
Modern electronic technology FPGA can be carried out comprehensive experiment together with basic electronic circuit module.Experimental box is furnished with corresponding experiment
Guiding book.
2, facilitate and carry out basic verification experiment, be also convenient for independently building experiment designed circuit.Experimental box is provided with often
Basic analogous circuit experiment plate, including total radio amplifier, negative feedback amplifier circuit, the integrated transporting discharging in analog circuit
Application circuit, waveform in terms of simulation trial produce capable and conversion circuit etc..Circuit on these experimental plates has designed, and can lead to
It crosses four screws and is placed on the location hole of experimental box and erect.There are power inlets and test point on basic experiment plate.Convenient for opening
Open up basic verification experimental teaching.Bread board is provided on experimental box simultaneously.When carrying out the teaching of general replication experiment, can incite somebody to action
Common circuit module is propped up on experimental box.It can be packed up after having tested.Student can independently be carried on bread board some designs or
Comprehensive experiment.
3, it pays attention to detail, convenient for setting up experimental circuit.Some experimental boxs are also equipped with bread board in the market, for above
Place the devices such as resistance, capacitor, direct insertion chip.But common field-effect tube, power in Analogic Electronic Circuits are not accounted for
The device of the larger pin such as pipe, voltage stabilizing chip.This experimental box is provided with the TO220 of 5 different pin spacing, different number of pins
Enclosed seat, convenient for using installation when arriving these devices in experimental circuit.The circuit connection situation of each jack of bread board, also ten
Divide important.This experimental box illustrates the connection of each column jack of bread board, student experimenting with figure labeling beside bread board
When to circuit structure be illustrated.Reduce the generation of circuit connection failure.
4, FPGA minimum system plate can be run on experimental box, can use lower isolated operation, also convenient in discipline competition, course
It is used in design.FPGA core core is provided with independent power supply and control.Both it can be placed on experimental box and use, can also individually adopt
With.Use resource efficiently.
5, multiple power sources are provided, and the fuse of every road power supply is very convenient to, convenient for the maintenance of experimental box.Power supply can
Fixed output ± 5V, ± 12V, also exportable 1.3 ~ 18V of adjustable voltage.The fuse of each power supply is very convenient to.
Detailed description of the invention
Fig. 1 is the experimental teaching unit structural schematic diagram of the utility model；
Fig. 2 is the BCD coding display charactron circuit diagram of the utility model；
Fig. 3 is the eight segment numeral pipe circuit diagrams of the utility model；
Fig. 4 is the pulse source circuit figure of the utility model；
Fig. 5 is the logic level generation circuit figure of the utility model；
Fig. 6 is the FPGA minimum system FPGA master chip figure of the utility model.
Specific embodiment
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawings of the specification:
As shown in Figure 1, the utility model devises the experimental teaching unit of a kind of integrated electronics route and FPGA course, packet
Include experimental box body, set on the intracorporal substrate of the case, the power module being installed on substrate, element circuit module, basic simulation
Experiment of Electrical Circuits module, bread module, FPGA experiment module；Wherein, the power module, element circuit module, FPGA test mould
Block is integrated on substrate；The basic analogous circuit experiment module is fixed on the location hole of substrate by holder device；It is described
Bread module is fixed on substrate by clamp device；The power module, element circuit module, basic analogous circuit experiment mould
Block, bread module, FPGA experiment module are attached by bus；The power module, for powering for experimental teaching unit；
The element circuit module, for providing conventional device, test instrumentation and signal source for Experiment of Electronic Circuits；The basic simulation
Experiment of Electrical Circuits module, for providing a variety of basic analog circuits；The bread module, for taking examination electronic circuit and carrying out design
Property experiment；The FPGA experiment module, for providing FPGA control system, FPGA circuitry for experiment.
Power module includes 5V, -5V, 12V, four kinds of fixed voltages of -12V and a kind of variable voltage 1.3V to 18V.Power supply mould
Block provides power supply for experiment, and respectively corresponds 5 fuses, convenient for student when testing short circuit, plays a protective role, and protects and removes silk
It is easy to change.Each road power supply and ground are drawn with jack, are convenient for wiring.
Element circuit module includes independent key, volometer, TO220 encapsulation socket, single-turn potentiometer, multi-turn current potential
Device, continuous impulse source, pulse source, BCD coding display charactron, logic level instruction, logic switch；The independent key,
Volometer, TO220 encapsulation socket, single-turn potentiometer, multiturn potentiometer, continuous impulse source, pulse source, BCD decoding are aobvious
Show that charactron, logic level instruction, logic switch pass through bus and power module, basic analogous circuit experiment module, loaf form
Block is attached.Two independent keys are arranged in independent key, and four pins of each key are drawn with jack.For testing
In on-off or press key control.Volometer, using three half voltage ammeters, in measuring circuit in experimentation
Voltage and current numerical value.TO220 encapsulate socket, be provided with 2 TO220-3(pin spacing 2.54mm), 1 TO220-5(pin
Spacing 2.54mm), 1 TO220-5(pin spacing 1.7mm) encapsulation socket.Convenient for installing field-effect tube, power amplifier etc. in circuit
The device that can not be installed on bread board.The single-turn potentiometer of multiple resistance values is arranged in single-turn potentiometer, and three of potentiometer are drawn
Foot is drawn with jack, in conveniently accessible experimental circuit.Multiple multiturn potentiometers are arranged in multiturn potentiometer, by three of potentiometer
Pin is drawn with jack, in conveniently accessible experimental circuit.Continuous impulse source, the clock output frequency are the company of 1Hz ~ 100Hz
Continuous pulse signal provides the pulse excitation of changeable frequency for Digital Electrical Circuitry experiment.Pulse source, pulse source are equipped with a control
Key processed, when key is often pressed next time, a pair of positive and negative pulse of output.Pulse excitation is provided for digital circuit experiment.BCD is translated
Code seven segment digital tubes, are arranged four BCD decoding seven segment digital tubes, and the input of each charactron is tetra- BCD codings of D, C, B, A.D
For highest order, A is lowest order.The all reserved jack of four inputs, convenient for accessing level signal in experiment.Independent eight segment numeral pipes,
One eight segment numeral pipe is set, and the level that each section of drive digital tube is input signal, eight jacks is reserved, convenient for accessing in experiment
Drive level.Eight tunnel level signals of input, each section of (a, b, c, d, e, f, g, dp) point of drive digital tube after buffer
It is bright.Logic level instruction, is provided with 24 tunnel logic level indicator lights, and every road logic level instruction all corresponds to a jack, jack
The level of input drives patch light-emitting diode after buffer.It can determine whether input electricity according to the light on and off state of diode
Flat high and low state.Logic level output is provided with the output of 24 tunnel logic levels, and a jack is all reserved on every road, according to logic
Switch pulls out up and down different location jack can export high and low level respectively.For digital circuit or FPGA experiment provide " 0 ",
The binary message of " 1 ".
As shown in Fig. 2, being BCD coding display charactron circuit diagram, when carrying out decoding experiment, according to input logic value, translate
Code shows the corresponding decimal system.
As shown in figure 3, be eight segment numeral pipe circuit diagrams, when inputting eight tunnel level signals, the driving number after buffer
Each section of code pipe, is lighted respectively.
As shown in figure 4, being pulse source circuit figure, it is divided into continuous impulse and pulse, a pair of positive and negative arteries and veins of pulse output
Punching, multiple-pulse are made of multiple positive and negative pulses, provide clock for experimental circuit.
As shown in figure 5, being logic level generation circuit figure, there are 24 LED light in the circuit, low level is lighted.According to it
Light on and off state judges the high and low state of incoming level.
Basic analogous circuit experiment module is the basic analogous circuit experiment plate of multiple independences；4 location holes are set on substrate,
4 location holes, each independence consistent with position of positioning hole on substrate are set on each independent basic analogous circuit experiment plate
Basic analogous circuit experiment plate is fixed by the bracket on the location hole of substrate；Each independent basic analogous circuit experiment plate is logical
Bus is crossed to be attached with power module, element circuit module, bread module.Basic analogous circuit experiment plate is Lian Hao electricity
The PCB experiment plate on road, including in analog circuit total radio amplifier, negative feedback amplifier circuit, integrated transporting discharging simulation trial
Application circuit, the waveform of aspect produce capable and conversion circuit etc..Circuit on these experimental plates has designed, and can pass through four spiral shells
Silk, which is placed on the location hole of experimental box, to be erected.There are power inlets and test point on basic experiment plate.In experimental box layout
A, B, C, D circle represent location hole.Basic analogous circuit experiment module can be fixed by the bracket and be propped on location hole.
As long as power supply is connected to experimental plate by conducting wire by student, experiment can be carried out.Basic experiment plate can be packed up when not used, use
Then with bracket branch in the location hole of experimental box.
Bread module is bread board, and the bread board is fixed on substrate by screw and nut and by bus and power supply
Module, element circuit module, basic analogous circuit experiment module are attached.A loaf of bread plate is installed among cabinet, and is utilized
Screw is fixed.The connection state in each hole is indicated beside bread board with silk-screen layer character.
As shown in fig. 6, being FPGA minimum system FPGA master chip figure.
FPGA experiment module includes FPGA minimum system plate and typical circuit module two parts.FPGA minimum system plate uses
Independent pcb board, the modules such as the same power supply of FPGA typical circuit module, element circuit are placed on the same pcb board.Minimum system plate
Connected with FPGA typical circuit pcb board by row's needle, row's parent phase.Using EP2C Series FPGA chip as master controller, most by it
Mini system includes that fpga chip, clock circuit, reset circuit, storage circuit, JTAG and AS download circuit etc. are placed in an independence
Pcb board on.FPGA typical circuit include group of four figures pipe show, USB interface, three color dot battle arrays, matrix keyboard, level conversion etc.
Module.FPGA module uses more electric source modes, and when bottom plate is tested in the connection of FPGA minimum system plate, FPGA is powered by experiment bottom plate,
If FPGA minimum system plate lifts down exclusive use, there is power supply line individually to power.Master chip using 3.3V I/O voltage and
The core voltage of 1.2V ensure that the steady operation of chip.41 seven sections of common cathode charactrons are used in FPGA module.It is digital
The section of pipe selects signal using a piece of CD4511 chip.1 74HC138 chip and 3 74HC595 chips pair are used in FPGA module
Three color dot battle arrays are controlled, and 74HC138 controls the row of dot matrix, and 3 74HC595 control the red, green, blue three of dot matrix respectively
Color.
The utility model has the characteristics that open-ended, clear in structure, mainboard is independent, module is general, solves same at present
The experimental courses that class product is carried out are single, and comprehensive and design experiment is not easy to the problems such as carrying out.One experimental box can provide
Mould electricity, number electricity and FPGA experiment, module resource is abundant, is convenient for modern electronic technology course teaching.
The embodiments of the present invention is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
Above embodiment can also not depart from the utility model within the knowledge of a person skilled in the art
It is made a variety of changes under the premise of objective.
Claims (10)
1. a kind of experimental teaching unit of integrated electronics route and FPGA course, it is characterised in that: including experimental box body, be set to institute
State the intracorporal substrate of case, the power module being installed on substrate, element circuit module, basic analogous circuit experiment module, bread
Module, FPGA experiment module；Wherein, the power module, element circuit module, FPGA experiment module are integrated on substrate；Institute
Basic analogous circuit experiment module is stated to be fixed on the location hole of substrate by holder device；The bread module passes through fastening dress
It sets and is fixed on substrate；The power module, element circuit module, basic analogous circuit experiment module, bread module, FPGA are real
Module is tested to be attached by bus；The power module, for powering for experimental teaching unit；The element circuit module,
For providing conventional device, test instrumentation and signal source for Experiment of Electronic Circuits；The basic analogous circuit experiment module, is used for
A variety of basic analog circuits are provided；The bread module, for taking examination electronic circuit and carrying out experiment designed；The FPGA is real
Module is tested, for providing FPGA control system, FPGA circuitry for experiment.
2. the experimental teaching unit of integrated electronics route and FPGA course according to claim 1, it is characterised in that: the electricity
Source module includes 5V, -5V, 12V, four kinds of fixed voltages of -12V and a kind of variable voltage 1.3V to 18V.
3. the experimental teaching unit of integrated electronics route and FPGA course according to claim 1, it is characterised in that:
The element circuit module includes independent key, volometer, TO220 encapsulation socket, single-turn potentiometer, multi-turn current potential
Device, continuous impulse source, pulse source, BCD coding display charactron, logic level instruction, logic switch；The independent key,
Volometer, TO220 encapsulation socket, single-turn potentiometer, multiturn potentiometer, continuous impulse source, pulse source, BCD decoding are aobvious
Show that charactron, logic level instruction, logic switch pass through bus and power module, basic analogous circuit experiment module, loaf form
Block is attached.
4. the experimental teaching unit of integrated electronics route and FPGA course according to claim 1, it is characterised in that: the base
This analogous circuit experiment module is the basic analogous circuit experiment plate of multiple independences；4 location holes are set on the substrate, each
4 location holes are set on independent basic analogous circuit experiment plate, each independent basic mould consistent with position of positioning hole on substrate
Quasi- circuit experiment board is fixed by the bracket on the location hole of substrate；Each described independent basic analogous circuit experiment plate passes through
Bus is attached with power module, element circuit module, bread module.
5. the experimental teaching unit of integrated electronics route and FPGA course according to claim 1, it is characterised in that: the face
Packet module is bread board, and the bread board is fixed on substrate by screw and nut and by bus and power module, unit
Circuit module, basic analogous circuit experiment module are attached.
6. the experimental teaching unit of integrated electronics route and FPGA course according to claim 1, it is characterised in that: described
FPGA experiment module includes FPGA minimum systematic module, FPGA typical circuit module；The FPGA minimum systematic module is integrated in
On independent new substrate；The FPGA typical circuit module is integrated on the intracorporal substrate of the case；The new substrate of the independence and institute
The intracorporal substrate of case is stated to be attached by row's needle, row mother；The FPGA minimum systematic module is FPGA minimum system plate, including
Fpga chip, clock circuit, reset circuit, storage circuit, jtag test interface and AS download circuit；The FPGA minimum system
Plate is attached by bus and power module, bread module；The FPGA typical circuit module includes that group of four figures pipe is shown
Device, USB interface, three color dot battle arrays, matrix keyboard, FPGA level conversion expand mouth；The group of four figures tube display, USB interface,
Three color dot battle arrays, matrix keyboard, FPGA level conversion are expanded mouth and are attached by bus and power module, bread module.
7. the experimental teaching unit of integrated electronics route and FPGA course according to claim 3, it is characterised in that: the electricity
Volt-ammeter uses three half voltage ammeters.
8. the experimental teaching unit of integrated electronics route and FPGA course according to claim 3, it is characterised in that: described
TO220 encapsulation socket is provided with the encapsulation socket of TO220-3, TO220-5 model.
9. the experimental teaching unit of integrated electronics route and FPGA course according to claim 3, it is characterised in that: the company
The continuous impulse signal that continuous clock output frequency is 1Hz to 100Hz.
10. the experimental teaching unit of integrated electronics route and FPGA course according to claim 6, it is characterised in that: described
Fpga chip uses the fpga chip of EP2C series.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821237777.XU CN209183082U (en) | 2018-08-02 | 2018-08-02 | A kind of experimental teaching unit of integrated electronics route and FPGA course |
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|---|---|---|---|
| CN201821237777.XU CN209183082U (en) | 2018-08-02 | 2018-08-02 | A kind of experimental teaching unit of integrated electronics route and FPGA course |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113658495A (en) * | 2021-08-27 | 2021-11-16 | 王睿 | Circuit game machine |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113658495A (en) * | 2021-08-27 | 2021-11-16 | 王睿 | Circuit game machine |
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