CN205177244U - Logic circuit teaching demonstration ware - Google Patents
Logic circuit teaching demonstration ware Download PDFInfo
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- CN205177244U CN205177244U CN201520809183.1U CN201520809183U CN205177244U CN 205177244 U CN205177244 U CN 205177244U CN 201520809183 U CN201520809183 U CN 201520809183U CN 205177244 U CN205177244 U CN 205177244U
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Abstract
The utility model discloses a logic circuit teaching demonstration ware, including PCB circuit board and integrated power supply circuit, OR circuit, AND circuit, not circuit and a toggle switch circuit and the 2nd toggle switch circuit on PCB circuit board, through using this application logic circuit teaching demonstration ware can understand the simulation constitution and the theory of operation of AND gate, disjunction gate, not gate, NAND gate and NOR gate that the discrete component constitutes through this circuit. For example: can let student oneself obtain input and the physical significance of output and the actual conditions of digital representation through the assay of electrical circuitry, through analog circuit's analysis, cultivation student's circuit analysis, research digital circuit principle ability.
Description
Technical field
The utility model relates to a kind of logical circuit education demonstrator.
Background technology
Flourish along with areas of information technology, more and more higher to the requirement of teaching demonstration equipment in teaching field, the demonstration level of equipping for demonstration and demonstrating effect are had higher requirement, and the demonstration level of traditional demonstration equipment and demonstrating effect limited, operate in the application of reality and have inconvenience more.The teaching demonstration effect in field research cannot be reached.The development of electronic information technology has greatly promoted the development of teaching demonstration equipment technology, and the development level of a national teaching demonstration equipment determines an Information Technology Development level of going home.And the height of teaching demonstration level directly has influence on the development of school instruction, therefore, new teaching demonstration equipment technology is explored particularly important with regard to what show.Prior art is badly in need of a kind of logical circuit education demonstrator that conveniently can carry out teaching demonstration to logical circuit.
Summary of the invention
The purpose of this utility model is to overcome the defect existed in prior art, provides a kind of logical circuit education demonstrator that conveniently can carry out teaching demonstration to logical circuit.
For achieving the above object, the technical solution of the utility model there is provided a kind of logical circuit education demonstrator, comprises PCB and the power circuit, OR circuit, AND circuit, not circuit and the first toggle switch circuit thereof that are integrated in PCB and the second toggle switch circuit;
Described power circuit comprises the battery of 3V, and described battery is electrically connected in 2P junction block, and the positive pole on described 2P junction block and negative pole are connected with the VCC inserted terminal in PCB and GND inserted terminal respectively;
Described OR circuit comprises diode D1, diode D2, resistance R3, resistance R4 and light emitting diode and detects pilot lamp LED3; Diode D1 positive pole is connected with inserted terminal X3, diode D2 positive pole is connected with inserted terminal X4, diode D1 negative pole is connected with diode D2 negative pole and forms the first isopiestic point A1, and the first isopiestic point A1 detects series circuit, resistance R4 and the inserted terminal X7 that pilot lamp LED3 forms respectively and is connected with resistance R3 and light emitting diode; Described resistance R4 output terminal and light emitting diode detect pilot lamp LED3 negative pole and are connected and are connected with the GND inserted terminal in PCB;
Described AND circuit comprises diode D3, diode D4, resistance R5, resistance R6 and light emitting diode and detects pilot lamp LED4; Diode D3 negative pole is connected with inserted terminal X5, diode D4 negative pole is connected with inserted terminal X6, diode D3 positive pole is connected with diode D4 positive pole and forms the second isopiestic point A2, and the second isopiestic point A2 detects series circuit that pilot lamp LED4 forms respectively with resistance R5, resistance R6 and light emitting diode and inserted terminal X8 is connected; Described resistance R5 negative pole is connected with the VCC inserted terminal in PCB, and described light emitting diode detects pilot lamp LED4 negative pole and is connected with the GND inserted terminal in PCB;
Described not circuit comprises resistance R7, resistance R8, resistance R9, light emitting diode detection pilot lamp LED5 and triode; Described resistance R8 input end is connected with inserted terminal X9, and described resistance R8 output terminal is connected with the base stage of triode, and the emitter of described triode is connected with the GND inserted terminal in PCB; The collector of described triode detects series circuit that pilot lamp LED5 forms respectively with resistance R7, resistance R9 and light emitting diode and inserted terminal X10 is connected, described resistance R7 output terminal is connected with the VCC inserted terminal in PCB, and the pole that described light emitting diode detects pilot lamp LED5 is connected with the GND inserted terminal in PCB;
Described first toggle switch circuit comprises resistance R1, light emitting diode detects pilot lamp LED1 and toggle switch S1, described resistance R1 one end is connected with inserted terminal X1 and toggle switch S1 respectively, and the other end and light emitting diode detect pilot lamp LED1 and be connected and pass through diode detection pilot lamp LED1 negative pole and be connected with the GND inserted terminal in PCB; The positive pole of described toggle switch S1 is connected with the VCC inserted terminal in PCB and GND inserted terminal respectively with anode connector;
Described first toggle switch circuit comprises resistance R2, light emitting diode detects pilot lamp LED2 and toggle switch S2, described resistance R2 one end is connected with inserted terminal X2 and toggle switch S2 respectively, and the other end and light emitting diode detect pilot lamp LED2 and be connected and pass through diode detection pilot lamp LED2 negative pole and be connected with the GND inserted terminal in PCB; The positive pole of described toggle switch S2 is connected with the VCC inserted terminal in PCB and GND inserted terminal respectively with anode connector.That can understand that discrete component forms by this circuit by using the logical circuit education demonstrator described in the application with door or door, not gate, Sheffer stroke gate and rejection gate simulation formation and principle of work.Such as: can, by the analysis of circuit theory, allow student oneself obtain the physical significance of constrained input and the actual conditions of numeral; By the analysis of mimic channel, the circuit analysis of training student, research digital circuit principle ability.
As preferably, described PCB is multi-functional PCB, and described inserted terminal X1-inserted terminal X10 is fixed by contact pin and PCB, and the VCC inserted terminal in described PCB is communicated with by circuit board bottom trace with GND inserted terminal.Such design is the further optimization to scheme.
Advantage of the present utility model and beneficial effect are: that can understand that discrete component forms by this circuit by using the logical circuit education demonstrator described in the application with door or door, not gate, Sheffer stroke gate and rejection gate simulation formation and principle of work.
Accompanying drawing explanation
Fig. 1 is the utility model AND gate teaching demonstration circuit connection diagram;
Fig. 2 is the utility model or gate logic teaching demonstration circuit connection diagram;
Fig. 3 is the utility model NOT gate logic circuit teaching demonstration circuit connection diagram;
Fig. 4 is the utility model Sheffer stroke gate logical circuit teaching demonstration circuit connection diagram;
Fig. 5 is the utility model rejection gate logical circuit teaching demonstration circuit connection diagram.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
As Figure 1-Figure 5, a kind of logical circuit education demonstrator, comprises PCB and the power circuit, OR circuit, AND circuit, not circuit and the first toggle switch circuit thereof that are integrated in PCB and the second toggle switch circuit;
Described power circuit comprises the battery of 3V, and described battery is electrically connected in 2P junction block, and the positive pole on described 2P junction block and negative pole are connected with the VCC inserted terminal in PCB and GND inserted terminal respectively;
Described OR circuit comprises diode D1, diode D2, resistance R3, resistance R4 and light emitting diode and detects pilot lamp LED3; Diode D1 positive pole is connected with inserted terminal X3, diode D2 positive pole is connected with inserted terminal X4, diode D1 negative pole is connected with diode D2 negative pole and forms the first isopiestic point A1, and the first isopiestic point A1 detects series circuit, resistance R4 and the inserted terminal X7 that pilot lamp LED3 forms respectively and is connected with resistance R3 and light emitting diode; Described resistance R4 output terminal and light emitting diode detect pilot lamp LED3 negative pole and are connected and are connected with the GND inserted terminal in PCB;
Described AND circuit comprises diode D3, diode D4, resistance R5, resistance R6 and light emitting diode and detects pilot lamp LED4; Diode D3 negative pole is connected with inserted terminal X5, diode D4 negative pole is connected with inserted terminal X6, diode D3 positive pole is connected with diode D4 positive pole and forms the second isopiestic point A2, and the second isopiestic point A2 detects series circuit that pilot lamp LED4 forms respectively with resistance R5, resistance R6 and light emitting diode and inserted terminal X8 is connected; Described resistance R5 negative pole is connected with the VCC inserted terminal in PCB, and described light emitting diode detects pilot lamp LED4 negative pole and is connected with the GND inserted terminal in PCB;
Described not circuit comprises resistance R7, resistance R8, resistance R9, light emitting diode detection pilot lamp LED5 and triode; Described resistance R8 input end is connected with inserted terminal X9, and described resistance R8 output terminal is connected with the base stage of triode, and the emitter of described triode is connected with the GND inserted terminal in PCB; The collector of described triode detects series circuit that pilot lamp LED5 forms respectively with resistance R7, resistance R9 and light emitting diode and inserted terminal X10 is connected, described resistance R7 output terminal is connected with the VCC inserted terminal in PCB, and the pole that described light emitting diode detects pilot lamp LED5 is connected with the GND inserted terminal in PCB;
Described first toggle switch circuit comprises resistance R1, light emitting diode detects pilot lamp LED1 and toggle switch S1, described resistance R1 one end is connected with inserted terminal X1 and toggle switch S1 respectively, and the other end and light emitting diode detect pilot lamp LED1 and be connected and pass through diode detection pilot lamp LED1 negative pole and be connected with the GND inserted terminal in PCB; The positive pole of described toggle switch S1 is connected with the VCC inserted terminal in PCB and GND inserted terminal respectively with anode connector;
Described first toggle switch circuit comprises resistance R2, light emitting diode detects pilot lamp LED2 and toggle switch S2, described resistance R2 one end is connected with inserted terminal X2 and toggle switch S2 respectively, and the other end and light emitting diode detect pilot lamp LED2 and be connected and pass through diode detection pilot lamp LED2 negative pole and be connected with the GND inserted terminal in PCB; The positive pole of described toggle switch S2 is connected with the VCC inserted terminal in PCB and GND inserted terminal respectively with anode connector.
Described PCB is multi-functional PCB, and described inserted terminal X1-inserted terminal X10 is fixed by contact pin and PCB, and the VCC inserted terminal in described PCB is communicated with by circuit board bottom trace with GND inserted terminal.
Wherein, triode is 9013, and switching diode is IN4148D1-D4, two 100 Europe resistance R5.R7 (10), two 4.7K resistance R4.R8 (11), five 1K resistance R1.R2.R3.R6.R9 (12).
Two toggle switches are fixed in PCB by circuit diagram; Five are detected pilot lamp and are also arranged on the surface of PCB; 3V battery case to be fixed in PCB and to be connected with 2P junction block (8); Ten contact pins are fixed in PCB; 9013 triodes are fixed in PCB; 2P junction block is fixed in PCB by circuit diagram; IN4148 switching diode D1-D4 is fixed in PCB; 100 Europe resistance R5.R7 are fixed in PCB by circuit diagram; 4.7K resistance R4.R8 is fixed in PCB; 1K resistance R1.R2.R3.R6.R9 is fixed in PCB; Double end Du Pont line inserts in corresponding contact pin in testing to be tested.
This demonstration device adopts the discrete component such as diode, triode, resistance composition and door or door and not gate, adopts toggle switch to produce high level or low level.Logic gates is logic element the most basic in digital circuit, and door is a kind of switch.It can go passing through or not passing through of control signal by certain condition, there is certain logic cause-effect relationship between the input and output of gate circuit.
Get out required electric elements and one piece of omnipotent PCB, design circuit diagram, and in omnipotent PCB, press the position at circuit diagram mark electric elements place.2. all kinds of electric elements are arranged on the position that omnipotent PCB marks on request.3. connect, by circuit diagram by electric elements, one by one in place in circuit, at omnipotent PCB bottom trace.4. 3V battery case positive pole is pressed circuit diagram respectively and is connected with the VCC of junction block, toggle switch, R5 with R7.5. 3V battery case negative pole is pressed circuit diagram respectively and is connected with the GND of junction block, toggle switch, diode detection pilot lamp LED1, diode detection pilot lamp LED2, diode detection pilot lamp LED3, diode detection pilot lamp LED4, triode, diode detection pilot lamp LED5.
after checking that wiring is errorless, can debug.
In battery case, first put into the battery of regulation, this education demonstrator is in and treats presentation state.Take out detection line, first demonstrate AND circuit according to circuit, inserted terminal X1 is connected with inserted terminal X5, be connected inserted terminal X2 and inserted terminal X6 with another root detection line with a detection line, stir S1 and S2 switch, after these two switches are all stirred, diode detection pilot lamp LDE4 is just bright; OR circuit, connect inserted terminal X1 with inserted terminal X3, be connected inserted terminal X2 and inserted terminal X4 with another root detection line with a detection line, stir any switch of S1 or S2, LED3 is bright; Not circuit, connects inserted terminal X1 and inserted terminal X9 with a detection line, and as not toggle switch S1 or S2, diode detection pilot lamp LED5 is just bright.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing from the front lower of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. a logical circuit education demonstrator, is characterized in that: comprise PCB and the power circuit, OR circuit, AND circuit, not circuit and the first toggle switch circuit thereof that are integrated in PCB and the second toggle switch circuit;
Described power circuit comprises the battery of 3V, and described battery is electrically connected in 2P junction block, and the positive pole on described 2P junction block and negative pole are connected with the VCC inserted terminal in PCB and GND inserted terminal respectively;
Described OR circuit comprises diode D1, diode D2, resistance R3, resistance R4 and light emitting diode and detects pilot lamp LED3; Diode D1 positive pole is connected with inserted terminal X3, diode D2 positive pole is connected with inserted terminal X4, diode D1 negative pole is connected with diode D2 negative pole and forms the first isopiestic point A1, and the first isopiestic point A1 detects series circuit, resistance R4 and the inserted terminal X7 that pilot lamp LED3 forms respectively and is connected with resistance R3 and light emitting diode; Described resistance R4 output terminal and light emitting diode detect pilot lamp LED3 negative pole and are connected and are connected with the GND inserted terminal in PCB;
Described AND circuit comprises diode D3, diode D4, resistance R5, resistance R6 and light emitting diode and detects pilot lamp LED4; Diode D3 negative pole is connected with inserted terminal X5, diode D4 negative pole is connected with inserted terminal X6, diode D3 positive pole is connected with diode D4 positive pole and forms the second isopiestic point A2, and the second isopiestic point A2 detects series circuit that pilot lamp LED4 forms respectively with resistance R5, resistance R6 and light emitting diode and inserted terminal X8 is connected; Described resistance R5 negative pole is connected with the VCC inserted terminal in PCB, and described light emitting diode detects pilot lamp LED4 negative pole and is connected with the GND inserted terminal in PCB;
Described not circuit comprises resistance R7, resistance R8, resistance R9, light emitting diode detection pilot lamp LED5 and triode; Described resistance R8 input end is connected with inserted terminal X9, and described resistance R8 output terminal is connected with the base stage of triode, and the emitter of described triode is connected with the GND inserted terminal in PCB; The collector of described triode detects series circuit that pilot lamp LED5 forms respectively with resistance R7, resistance R9 and light emitting diode and inserted terminal X10 is connected, described resistance R7 output terminal is connected with the VCC inserted terminal in PCB, and the negative pole that described light emitting diode detects pilot lamp LED5 is connected with the GND inserted terminal in PCB;
Described first toggle switch circuit comprises resistance R1, light emitting diode detects pilot lamp LED1 and toggle switch S1, described resistance R1 one end is connected with inserted terminal X1 and toggle switch S1 respectively, and the other end and light emitting diode detect pilot lamp LED1 and be connected and pass through diode detection pilot lamp LED1 negative pole and be connected with the GND inserted terminal in PCB; The positive pole of described toggle switch S1 is connected with the VCC inserted terminal in PCB and GND inserted terminal respectively with anode connector;
Described first toggle switch circuit comprises resistance R2, light emitting diode detects pilot lamp LED2 and toggle switch S2, described resistance R2 one end is connected with inserted terminal X2 and toggle switch S2 respectively, and the other end and light emitting diode detect pilot lamp LED2 and be connected and pass through diode detection pilot lamp LED2 negative pole and be connected with the GND inserted terminal in PCB; The positive pole of described toggle switch S2 is connected with the VCC inserted terminal in PCB and GND inserted terminal respectively with anode connector.
2. logical circuit education demonstrator as claimed in claim 1, it is characterized in that: described PCB is multi-functional PCB, described inserted terminal X1-inserted terminal X10 is fixed by contact pin and PCB, and the VCC inserted terminal in described PCB is communicated with by circuit board bottom trace with GND inserted terminal.
3. logical circuit education demonstrator as claimed in claim 1, be is characterized in that: connected by double end Du Pont line between multiple inserted terminal temporarily.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520809183.1U CN205177244U (en) | 2015-10-20 | 2015-10-20 | Logic circuit teaching demonstration ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520809183.1U CN205177244U (en) | 2015-10-20 | 2015-10-20 | Logic circuit teaching demonstration ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205177244U true CN205177244U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520809183.1U Expired - Fee Related CN205177244U (en) | 2015-10-20 | 2015-10-20 | Logic circuit teaching demonstration ware |
Country Status (1)
| Country | Link |
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| CN (1) | CN205177244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927042A (en) * | 2022-06-06 | 2022-08-19 | 南昌航空大学 | Logic circuit teaching demonstration device based on liquid drive |
-
2015
- 2015-10-20 CN CN201520809183.1U patent/CN205177244U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927042A (en) * | 2022-06-06 | 2022-08-19 | 南昌航空大学 | Logic circuit teaching demonstration device based on liquid drive |
| CN114927042B (en) * | 2022-06-06 | 2023-04-07 | 南昌航空大学 | Logic circuit teaching demonstration device based on liquid drive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20161020 |