CN206774068U - A kind of digital-to-analogue electricity comprehensive experiment box of modularized design - Google Patents
A kind of digital-to-analogue electricity comprehensive experiment box of modularized design Download PDFInfo
- Publication number
- CN206774068U CN206774068U CN201720403491.3U CN201720403491U CN206774068U CN 206774068 U CN206774068 U CN 206774068U CN 201720403491 U CN201720403491 U CN 201720403491U CN 206774068 U CN206774068 U CN 206774068U
- Authority
- CN
- China
- Prior art keywords
- circuit
- motherboard
- electricity
- digital
- modularized design
- Prior art date
- 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.)
- Expired - Fee Related
Links
Landscapes
- Instructional Devices (AREA)
Abstract
The utility model discloses a kind of digital-to-analogue electricity comprehensive experiment box of modularized design, belong to teaching equipment field.The experimental box includes：Motherboard includes：Voltage-stabilized power supply circuit, logic level indicating circuit, edge generation circuit and adjustable DC signal source circuit；Number circuit includes：TTL integration logics gate circuit, combinational logic circuit, flip-flop circuit and counter circuit；Differential amplifier circuit, RC oscillating circuits, two-tube negative feedback amplifier circuit, add operation and subtraction circuit, in-phase proportion computing and anti-phase scaling circuit, single tube total radio amplifier sum electricity circuit are plugged on motherboard；IC chip is placed on motherboard front, and discrete device is placed on the motherboard back side.The utility model can substantially meet the major experimental of modulus Electron Technique Course, and its easy to maintenance, small volume and autgmentability are strong.
Description
Technical field
It the utility model is related to teaching equipment field, the digital-to-analogue electricity comprehensive experiment box of more particularly to a kind of modularized design.
Background technology
Scientific literacy of the experimental teaching energy training student in all many abilities, comprehensively raising student.Student is being carried out
Histological examination instrument is wanted during experiment, experiment material, should be divided the work, cooperate again etc., so can be with the tissue energy of training student
Power and problem-solving ability, hands-on is had to during being tested, can so be grasped with the practice of training student
Make ability, carrying out experiment will be observed, to record, and some experimental phenomenas are analyzed, compared, are judged, are thought deeply, be reasoning, general
Include, conclude etc..
Traditional experimental box or each experiment module of experimental bench, which are substantially all, is welded to monoblock circuit board or welding
On big experimental bench, there is the shortcomings that troublesome maintenance, bulky and autgmentability is poor in this design method.
Utility model content
The utility model embodiment provides a kind of digital-to-analogue electricity comprehensive experiment box of modularized design, can solve prior art
In, the problem of each experiment module troublesome maintenance of traditional experimental box/platform, bulky and autgmentability is poor be present.
The utility model embodiment provides a kind of digital-to-analogue electricity comprehensive experiment box of modularized design, including：Motherboard, differential put
Big circuit, RC oscillating circuits, two-tube negative feedback amplifier circuit, add operation and subtraction circuit, in-phase proportion computing and anti-
Phase Proportion computing circuit, single tube total radio amplifier sum electricity circuit；
The motherboard includes：Voltage-stabilized power supply circuit, logic level indicating circuit, edge generation circuit and adjustable DC signal
Source circuit；
The number circuit includes：TTL integration logics gate circuit, combinational logic circuit, flip-flop circuit and counter electricity
Road；
The differential amplifier circuit, the RC oscillating circuits, the two-tube negative feedback amplifier circuit, the add operation and
Subtraction circuit, the in-phase proportion computing and anti-phase scaling circuit, the single tube total radio amplifier and the number
Circuit is plugged on motherboard；
The differential amplifier circuit, the RC oscillating circuits, the two-tube negative feedback amplifier circuit, the add operation and
Subtraction circuit, the in-phase proportion computing and anti-phase scaling circuit, the single tube total radio amplifier and the number
Integrated circuit in circuit is arranged on the motherboard front；It is the differential amplifier circuit, the RC oscillating circuits, described two-tube
Negative feedback amplifier circuit, the add operation and subtraction circuit, the in-phase proportion computing and anti-phase scaling circuit,
Discrete device in the single tube total radio amplifier and several circuits is arranged on the motherboard back side.
It is preferred that the voltage-stabilized power supply circuit output voltage includes：± 12V and ± 5V.
It is preferred that the adjustable DC signal source circuit output voltage includes：±0.5V.
It is preferred that the jack on the motherboard uses welding manner.
It is preferred that the motherboard front is additionally provided with character silk-screen.
In the utility model embodiment, there is provided a kind of digital-to-analogue electricity comprehensive experiment box of modularized design, with prior art phase
Than its advantage is：The utility model can realize that cascode amplification, the negative-feedback of analog electronic technology course are amplified, are differential
Six major classes such as amplification, integrated transporting discharging application, RC vibrations and rectifying and pressure-regulating, seven elementary cell experiments；Digital circuit technique course
The logic function of TTL integrated logic gates and parameter testing, the design of combinational logic circuit and test, trigger and its application, meter
Four major class such as number device and its application, six experiments, substantially meet the major experimental of modulus Electron Technique Course, its easy to maintenance, body
Product is small and autgmentability is strong.
Brief description of the drawings
Fig. 1 is a kind of digital-to-analogue electricity comprehensive experiment box theory diagram for modularized design that the utility model embodiment provides；
Fig. 2 is steady in a kind of digital-to-analogue electricity comprehensive experiment box motherboard for modularized design that the utility model embodiment provides
Voltage source circuit diagram；
Fig. 3 is patrolling in a kind of digital-to-analogue electricity comprehensive experiment box motherboard for modularized design that the utility model embodiment provides
Collect level indicating circuit figure；
Fig. 4 is the side in a kind of digital-to-analogue electricity comprehensive experiment box motherboard for modularized design that the utility model embodiment provides
Along generation circuit figure；
Fig. 5 be the utility model embodiment provide a kind of modularized design digital-to-analogue electricity comprehensive experiment box motherboard in can
Tuning DC signal source circuit figure.
Embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it should be appreciated that this reality
Do not limited with new protection domain by embodiment.
Fig. 1 is a kind of digital-to-analogue electricity comprehensive experiment box theory diagram for modularized design that the utility model embodiment provides；
Fig. 2 is the voltage-stabilized power supply electricity in a kind of digital-to-analogue electricity comprehensive experiment box motherboard for modularized design that the utility model embodiment provides
Lu Tu；Fig. 3 is the logic in a kind of digital-to-analogue electricity comprehensive experiment box motherboard for modularized design that the utility model embodiment provides
Level indicating circuit figure；Fig. 4 is that a kind of digital-to-analogue electricity comprehensive experiment box for modularized design that the utility model embodiment provides is female
Edge generation circuit figure in plate；Fig. 5 is that a kind of digital-to-analogue electricity for modularized design that the utility model embodiment provides is comprehensive real
Adjustable DC signal source circuit figure in tryoff motherboard as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the chamber includes：Motherboard,
Differential amplifier circuit, RC oscillating circuits, two-tube negative feedback amplifier circuit, add operation and subtraction circuit, in-phase proportion fortune
Calculate and anti-phase scaling circuit, single tube total radio amplifier sum electricity circuit.
Specifically, motherboard includes：Voltage-stabilized power supply circuit, logic level indicating circuit, edge generation circuit and adjustable DC
Signal source circuit；Number circuit includes：TTL integration logics gate circuit, combinational logic circuit, flip-flop circuit and counter electricity
Road；Differential amplifier circuit, RC oscillating circuits, two-tube negative feedback amplifier circuit, add operation and subtraction circuit, in-phase proportion
Computing and anti-phase scaling circuit, single tube total radio amplifier sum electricity circuit are plugged on motherboard；Differential amplifier circuit, RC
Oscillating circuit, two-tube negative feedback amplifier circuit, add operation and subtraction circuit, in-phase proportion computing and anti-phase scale operation
Integrated circuit in circuit, single tube total radio amplifier sum electricity circuit is arranged on motherboard front；Differential amplifier circuit, RC concussions
Circuit, two-tube negative feedback amplifier circuit, add operation and subtraction circuit, in-phase proportion computing and anti-phase scale operation electricity
Discrete device in road, single tube total radio amplifier sum electricity circuit is arranged on the motherboard back side.
It should be noted that voltage-stabilized power supply circuit module is used for the normal voltage of DC-DC power source, generation ± 12V and ± 5V,
Every kind of voltage has the LED light of respective color；Logic level indicating circuit module is used to indicate incoming level height, high electricity
Flat bright, low level is gone out；Edge generation circuit module is used to produce rising edge and trailing edge, and switch K1 dials up generation rising
Edge, generation trailing edge is stirred downwards；Adjustable DC signal source circuit module can export ± 0.5V by potentiometer W1 and W2
Voltage, provide signal source for addition, subtraction circuit in integrated transporting discharging.
A kind of digital-to-analogue electricity comprehensive experiment box of modularized design provided by the utility model, can realize analog electronics technique
Six major classes seven such as cascode amplification, negative-feedback amplification, differential amplification, integrated transporting discharging application, RC vibrations and the rectifying and pressure-regulating of course
Elementary cell is tested；The logic function of the TTL integrated logic gates of digital circuit technique course and parameter testing, combinational logic circuit
Design and test, trigger and its application, four major classes, six experiments such as counter and its application, substantially meet modulus electronics skill
The major experimental of art course.
It should be noted that experimental box of the present utility model has advantages below：
1st, it is plugged on using modular construction, modulus electricity modules on motherboard, module need to only lead to too small amount of connecting line
It can be attached with motherboard, reduce connection difficulty.
2nd, overvoltage, excessively stream, short circuit and anti-reverse protection.
3rd, circuit theory is clear, and IC is easy to maintenance to change in panel front.
4th, discrete device is welded on reverse side, and safety and stability improves.
5th, character silk-screen is simple and clear in panel front.
6th, jack uses welded type, avoids the loosening that conventional screw is tightened and drops defect.
7th, wire uses Lantern joint, and contact is more reliable, and the life-span is longer.
8th, model is extended, can arbitrarily increase functional module.
Disclosed above is only specific embodiment of the utility model, and still, the utility model embodiment is not limited to
This, the changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.
Claims (5)
- A kind of 1. digital-to-analogue electricity comprehensive experiment box of modularized design, it is characterised in that including：Motherboard, differential amplifier circuit, RC shakes Swing circuit, two-tube negative feedback amplifier circuit, add operation and subtraction circuit, in-phase proportion computing and anti-phase scale operation electricity Road, single tube total radio amplifier sum electricity circuit；The motherboard includes：Voltage-stabilized power supply circuit, logic level indicating circuit, edge generation circuit and adjustable DC signal source electricity Road；The number circuit includes：TTL integration logics gate circuit, combinational logic circuit, flip-flop circuit and counter circuit；The differential amplifier circuit, the RC oscillating circuits, the two-tube negative feedback amplifier circuit, the add operation and subtraction Computing circuit, the in-phase proportion computing and anti-phase scaling circuit, the single tube total radio amplifier and the number electricity electricity Road is plugged on motherboard；The differential amplifier circuit, the RC oscillating circuits, the two-tube negative feedback amplifier circuit, the add operation and subtraction Computing circuit, the in-phase proportion computing and anti-phase scaling circuit, the single tube total radio amplifier and the number electricity electricity Integrated circuit in road is arranged on the motherboard front；It is the differential amplifier circuit, the RC oscillating circuits, described two-tube negative anti- Present the amplifying circuit, add operation and subtraction circuit, the in-phase proportion computing and anti-phase scaling circuit, described Discrete device in single tube total radio amplifier and several circuits is arranged on the motherboard back side.
- 2. the digital-to-analogue electricity comprehensive experiment box of modularized design as claimed in claim 1, it is characterised in that the voltage-stabilized power supply electricity Road output voltage includes：± 12V and ± 5V.
- 3. the digital-to-analogue electricity comprehensive experiment box of modularized design as claimed in claim 1, it is characterised in that the adjustable DC letter Number source circuit output voltage includes：±0.5V.
- 4. the digital-to-analogue electricity comprehensive experiment box of modularized design as claimed in claim 1, it is characterised in that inserting on the motherboard Hole uses welding manner.
- 5. the digital-to-analogue electricity comprehensive experiment box of modularized design as claimed in claim 1, it is characterised in that the motherboard front is also It is provided with character silk-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720403491.3U CN206774068U (en) | 2017-04-18 | 2017-04-18 | A kind of digital-to-analogue electricity comprehensive experiment box of modularized design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720403491.3U CN206774068U (en) | 2017-04-18 | 2017-04-18 | A kind of digital-to-analogue electricity comprehensive experiment box of modularized design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206774068U true CN206774068U (en) | 2017-12-19 |
Family
ID=60631410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720403491.3U Expired - Fee Related CN206774068U (en) | 2017-04-18 | 2017-04-18 | A kind of digital-to-analogue electricity comprehensive experiment box of modularized design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206774068U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257492A (en) * | 2018-02-08 | 2018-07-06 | 重庆博张博乐机器人有限公司 | A kind of robot teaching's device |
| CN109192017A (en) * | 2018-10-25 | 2019-01-11 | 宁波工程学院 | Digital circuit experiment case and use experimental method |
-
2017
- 2017-04-18 CN CN201720403491.3U patent/CN206774068U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108257492A (en) * | 2018-02-08 | 2018-07-06 | 重庆博张博乐机器人有限公司 | A kind of robot teaching's device |
| CN109192017A (en) * | 2018-10-25 | 2019-01-11 | 宁波工程学院 | Digital circuit experiment case and use experimental method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206774068U (en) | A kind of digital-to-analogue electricity comprehensive experiment box of modularized design | |
| CN106887211B (en) | Power supply chip and display device | |
| CN206097636U (en) | Electronic technology integration teaching platform | |
| CN205984058U (en) | A experimental facilities for mould electricity teaching experiment | |
| CN210669993U (en) | Sine wave generator | |
| CN204257086U (en) | A kind of device for the teaching of electronic information technology comprehensive practical traning | |
| CN205302791U (en) | Electronic circuit teaching experiment appearance is planned to portable general section mould | |
| CN208043955U (en) | A kind of debugging tester suitable for relay protection | |
| CN204537571U (en) | A kind of education experiment comprehensive circuit board | |
| CN201918084U (en) | Integrated circuit experiment board | |
| CN207424193U (en) | A kind of Buchholz relay on-site calibration device based on piezoelectricity transformation approach | |
| CN207424160U (en) | Utilize the device of conducting wire location of short circuit on constant-current source positioning line fault plate | |
| CN207473049U (en) | A kind of fault test set of electronic product integrated circuit | |
| CN206804120U (en) | A kind of accurate electronic scale device of intelligent portable | |
| CN110649891A (en) | Sine wave generator | |
| CN201255764Y (en) | Circuit testing apparatus | |
| CN210955726U (en) | Comprehensive training box based on electronic circuit and electronic control circuit | |
| CN201184907Y (en) | Circuit test apparatus | |
| CN203759954U (en) | Electronic craft skill assessment platform | |
| CN113903226B (en) | Simulation electronic circuit learning experiment evaluation method and system | |
| CN216119131U (en) | Power electronic device characteristic detection and assessment device | |
| CN204990921U (en) | Digital circuit synthesizes real board of instructing | |
| CN209471628U (en) | A kind of decompression non-isolated power supply experimental teaching plate | |
| CN203232135U (en) | Ballast circuit board debugging device | |
| CN209928668U (en) | Non-trace fault electronic component manufacturing device |
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: 20171219 Termination date: 20180418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |