CN215770206U - Electronic acousto-optic demonstration instrument - Google Patents
Electronic acousto-optic demonstration instrument Download PDFInfo
- Publication number
- CN215770206U CN215770206U CN202120484829.9U CN202120484829U CN215770206U CN 215770206 U CN215770206 U CN 215770206U CN 202120484829 U CN202120484829 U CN 202120484829U CN 215770206 U CN215770206 U CN 215770206U
- Authority
- CN
- China
- Prior art keywords
- switch
- integrated circuit
- power supply
- experiment
- music integrated
- 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.)
- Active
Links
Images
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The electronic acousto-optic demonstration instrument for the solution conductivity experiment provided by the utility model can control the opening of the experiment instrument through the sound of students, so that the experiment interaction is increased, a happy song can be given out in the experiment, the experiment pleasure is promoted, the conductivity of the solution is prompted through the flickering frequency of the marquee, and the identification of strong electrolyte and weak electrolyte is realized.
Description
Technical Field
The utility model relates to the technical field of high school physics teaching, in particular to a high school physics solution conductivity experiment demonstration instrument.
Background
The conductivity of the solution is one of key knowledge of high school physics, and some students have little contact on the aspect and have difficult understanding on knowledge points, so that corresponding experiments are needed to increase the cognition and understanding of the students, and the currently used teaching aid adopts a small bulb as display and adopts a power supply with more than 4V direct current. The experimental phenomenon is not obvious, for example, weak electrolyte (acetic acid) can not be observed almost, good interaction can not be formed with students in the experiment, the conductivity of the solution can not be obtained visually, and certain limitation is brought to the demonstration of the experiment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electronic acousto-optic demonstration instrument for a solution conductivity experiment, which can control the opening of the experiment instrument through the sound of students, increase experiment interaction, give off pleasant songs in the experiment, improve the interest of the experiment, prompt the conductivity of the solution through the flickering frequency of a marquee lamp, and realize the identification of strong and weak electrolytes.
In order to achieve the purpose, the utility model provides the following technical scheme:
an electronic acousto-optic demonstration instrument comprises a power supply 1, a music integrated circuit 2, a switch 3, a horse race lamp 4, a loudspeaker 5, a conductive electrode 6, an adjustable resistor 7 and a voice-operated switch 8; the method is characterized in that: the negative pole of the power supply is connected with the positive pole of the marquee 4, the negative pole of the marquee 4 is connected with one end of the loudspeaker 5, the other end of the loudspeaker 5 is connected with one polar plate of the conductive electrode 6, and the other polar plate of the conductive electrode 6 is connected with the positive pole of the power supply 1 through the sound control switch 8. The negative pole of the horse race lamp 4 is also connected with the collector of the switch 3, the base and the emitter of the switch 3 are respectively connected with the control end and the output end of the music integrated circuit 2, the resistance connecting end of the music integrated circuit 2 is externally connected with the adjustable resistor 7, the audio frequency sent by the music integrated circuit 2 is switched by tuning the resistance value of the adjustable resistor 7, and the power supply end of the music integrated circuit 2 is connected with the positive pole of the power supply 1.
Compared with the prior art, the utility model has the beneficial effects that:
firstly, voice control of an operator is added in the experiment process, so that the interaction performance of the experiment is improved;
the student can display light and sound, so that the experimental pleasure of students is enhanced, and the experience degree is improved;
and thirdly, whether the solution is conductive or not can be identified, and strong and weak electrolytes can be identified, so that the practical value is improved.
Drawings
Fig. 1 is a circuit diagram of a solution conductivity electron acousto-optic demonstration instrument.
In the figure: the intelligent horse race lamp comprises a power supply 1, a music integrated circuit 2, a switch 3, a horse race lamp 4, a loudspeaker 5, a conductive electrode 6, an adjustable resistor 7, a sound control switch 8 and a solution 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the electronic acousto-optic demonstrator includes a power supply 1, a music ic 2, a switch 3, wherein the switch 3 may be a switch commonly used in the art, and preferably is a triode, a marquee 4, a speaker 5, a conductive electrode 6, an adjustable resistor 7, and a voice-activated switch 8. The negative pole of the power supply is connected with the positive pole of the marquee 4, the negative pole of the marquee 4 is connected with one end of the loudspeaker 5, the other end of the loudspeaker 5 is connected with one polar plate of the conductive electrode 6, and the other polar plate of the conductive electrode 6 is connected with the positive pole of the power supply 1 through the sound control switch 8. The negative pole of the horse race lamp 4 is also connected with the collector of the switch 3, the base and the emitter of the switch 3 are respectively connected with the control end and the output end of the music integrated circuit 2, the resistance connecting end of the music integrated circuit 2 is externally connected with the adjustable resistor 7, the audio frequency sent by the music integrated circuit 2 is switched by tuning the resistance value of the adjustable resistor 7, and the power supply end of the music integrated circuit 2 is connected with the positive pole of the power supply 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. An electronic acousto-optic demonstration instrument comprises a power supply (1), a music integrated circuit (2), a switch (3), a horse race lamp (4), a loudspeaker (5), a conductive electrode (6), an adjustable resistor (7) and a voice-operated switch (8); the method is characterized in that: the negative pole of a power supply is connected with the positive pole of the horse race lamp (4), the negative pole of the horse race lamp (4) is connected with one end of the loudspeaker (5), the other end of the loudspeaker (5) is connected with one polar plate of the conductive electrode (6), the other polar plate of the conductive electrode (6) is connected with the positive pole of the power supply (1) through the voice control switch (8), the negative pole of the horse race lamp (4) is also connected with the collector of the switch (3), the base and the emitter of the switch (3) are respectively connected with the control end and the output end of the music integrated circuit (2), the resistance connecting end of the music integrated circuit (2) is externally connected with the adjustable resistor (7), the audio frequency sent by the music integrated circuit (2) is switched through the resistance value of the adjustable resistor (7), and the power end of the music integrated circuit (2) is connected with the positive pole of the power supply (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120484829.9U CN215770206U (en) | 2021-03-08 | 2021-03-08 | Electronic acousto-optic demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120484829.9U CN215770206U (en) | 2021-03-08 | 2021-03-08 | Electronic acousto-optic demonstration instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215770206U true CN215770206U (en) | 2022-02-08 |
Family
ID=80093760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120484829.9U Active CN215770206U (en) | 2021-03-08 | 2021-03-08 | Electronic acousto-optic demonstration instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215770206U (en) |
-
2021
- 2021-03-08 CN CN202120484829.9U patent/CN215770206U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215770206U (en) | Electronic acousto-optic demonstration instrument | |
| CN200966099Y (en) | Mute circuit for set-top box | |
| CN207637339U (en) | A kind of childhood teaching electronic organ | |
| CN204423742U (en) | Driving school's training reversing lance suggestion device | |
| CN207938311U (en) | The phonation circuit for turning to sound is simulated with buzzer | |
| CN104185119A (en) | Audio device | |
| CN203352778U (en) | Touching type voice bell | |
| CN204721691U (en) | A kind of voice illuminating switch system | |
| CN207977043U (en) | CD4012 and KD9300 integrated package characteristic test instrument | |
| CN220325868U (en) | Acoustic control LED circuit | |
| CN207052290U (en) | A kind of playing device | |
| CN206039226U (en) | Device capable of remotely controlling students to use computer at home | |
| CN208622271U (en) | A kind of electronic sonification auxiliary device for vocality study | |
| CN211787598U (en) | Teaching device based on color recognition | |
| CN212112933U (en) | Triode amplifying switch working performance demonstrator | |
| CN216486170U (en) | Power unit structure for improving linear efficiency | |
| CN113763787A (en) | Circuit module for triode amplification switch principle demonstrator | |
| CN219536036U (en) | OTL audio amplifier circuit | |
| CN208691540U (en) | A kind of buzzer and its it can realize the single-chip microcontroller for selecting acoustic control | |
| CN203909507U (en) | Dedicated controller for special education | |
| CN101968938B (en) | Body inductive automatic control circuit demonstrator | |
| CN204929165U (en) | Wireless microphone is used in teaching | |
| CN218243376U (en) | Motor control circuit controlled by musical notes | |
| CN203315158U (en) | Stuttering therapeutic equipment | |
| CN2324590Y (en) | Insulator tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |