CN203838935U - Light control, magnetic control and temperature control circuit integrated experiment board for teaching - Google Patents
Light control, magnetic control and temperature control circuit integrated experiment board for teaching Download PDFInfo
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- CN203838935U CN203838935U CN201420271610.0U CN201420271610U CN203838935U CN 203838935 U CN203838935 U CN 203838935U CN 201420271610 U CN201420271610 U CN 201420271610U CN 203838935 U CN203838935 U CN 203838935U
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- light
- emitting diode
- resistance
- light emitting
- hummer
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Abstract
The utility model discloses a light control, magnetic control and temperature control circuit integrated experiment board for teaching. The experiment board comprises a panel, a battery group, a switch, a light-emitting diode, a buzzer, resistors, a photosensitive triode, a reed switch and a bimetallic strip. The front side of the panel is provided with the battery group, the light-emitting diode, the buzzer, the switch, the first resistor, the second resistor, the photosensitive triode, the reed switch and the bimetallic strip. The bottom portion of the panel is provided with a carrier board. A magnet, a light shield and a lighter are placed on the carrier board. The light control, magnetic control and temperature control circuit integrated experiment board is reasonable in design, simple in structure, less in used components, extremely-low in cost, visual in phenomenon, easy to use, convenient to produce and carry, and convenient to repeat experiments.
Description
Technical field
The utility model relates to a kind of teaching aid, is specifically related to a kind of teaching light-operated, magnetic control, temperature control circuit one brassboard.
Background technology
In physics teaching, magnetic, light, warm non-electrical quantities conversion electrical quantities, realize the education experiment of controlling to circuit, be one of indispensable instructional item.These experiments do not have overall teaching aid at present, can only give an oral account or only do an exemplary experiment by teacher, and it is uninteresting that students' union feels, not thorough to course of work understanding, affect quality of instruction.
Summary of the invention
The purpose of this utility model is exactly the defect existing for prior art, and a kind of teaching light-operated, magnetic control, temperature control circuit one brassboard are provided.
Its technical scheme is: teaching is with light-operated, magnetic control, temperature control circuit one brassboard, comprise panel, electric battery, switch, light emitting diode, hummer, resistance, phototriode, tongue tube and bimetallic strip, described panel front one side is installed electric battery by battery carrier, panel front middle part fixedly mounts light emitting diode from top to bottom in turn, hummer and switch, the first resistance and the second resistance are installed in the left side of light emitting diode and hummer, phototriode and tongue tube are installed in the right side of light emitting diode and hummer, bimetallic strip is installed on the right side of switch, panel bottom is provided with support board, the positive pole of described electric battery is connected with one end of the first resistance by switch, the other end of the first resistance is connected with one end of the positive pole of light emitting diode and hummer, the negative pole of light emitting diode is connected with the collector of the other end of hummer, phototriode and one end of the second resistance, and the other end of the second resistance is connected with one end of one end of tongue tube and bimetallic strip, the negative pole of described electric battery is connected with the other end of the emitter of phototriode, tongue tube and the other end of bimetallic strip, on described support board, be placed with magnet, light shield and lighter.
Wherein, described switch, light emitting diode, hummer, resistance, phototriode, tongue tube and bimetallic strip are all fixedly mounted on the front of panel by clench nail.Described clench nail is metal rivet or binding post.Connection line between described electric battery, switch, light emitting diode, hummer, resistance, phototriode, tongue tube and bimetallic strip is located on the back side of panel.The top of described panel is provided with suspension member.
The utility model compared with prior art, has the following advantages: element reasonable in design, simple in structure, used is few, cost is extremely low, visual phenomenon, use simple, be convenient to make, be easy to carry, repeat experiment facilitates.It passes through tongue tube, phototriode, three elements of bimetallic strip, organically combine, by magnetic, light, warm non-electrical quantities are changed to electrical quantities, circuit is realized controlling and test, and by the duty of light emitting diode display circuit, student can personal experiences to the effect of sensor, can greatly improve like this students ' interest of study, the course of work is thoroughly understood, improved the quality of teaching.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model
Fig. 2 is the circuit theory diagrams of a kind of embodiment of the utility model.
Embodiment
With reference to Fig. 1-Fig. 2, a kind of teaching is with light-operated, magnetic control, temperature control circuit one brassboard, comprises panel 1, the electric battery DC being formed by three joint dry cells, the K switch of plug-type or dial type, diameter is the red light emitting diodes D of 5mm, small-sized hummer L, resistance is the first resistance R 1 of 10 Ω/2W, resistance is the second resistance R 2 of 25 Ω/1W, model is the phototriode G of 3DU31, tongue tube CC and bimetallic strip RC, bimetallic strip RC can retract in the useless old starter of daylight lamp, and the positive side of panel 1 is installed electric battery DC by battery carrier, and the positive middle part of panel 1 fixedly mounts light emitting diode D from top to bottom in turn, hummer L and K switch, the first resistance R 1 and the second resistance R 2 are installed in the left side of light emitting diode D and hummer L, phototriode G and tongue tube CC are installed in the right side of light emitting diode D and hummer L, bimetallic strip RC is installed on the right side of K switch, panel 1 bottom is provided with the support board 5 with fluted 6, in the groove 6 on support board 5, is placed with magnet 7, light shield 8 and lighter 9.The positive pole of electric battery DC is connected with one end of the first resistance R 1 by K switch, the other end of the first resistance R 1 is connected with the positive pole of light emitting diode D and one end of hummer L, the negative pole of light emitting diode D is connected with the other end, the collector of phototriode G and one end of the second resistance R 2 of hummer L, and the other end of the second resistance R 2 is connected with one end of tongue tube CC and one end of bimetallic strip RC; The negative pole of electric battery DC is connected with emitter, the other end of tongue tube CC and the other end of bimetallic strip RC of phototriode G; Above-mentioned switch, light emitting diode, hummer, resistance, phototriode, tongue tube and bimetallic strip are all fixedly mounted on the front of panel 1 by clench nail 3.Clench nail 3 adopts metal rivet or binding post to facilitate wiring, and the connection line between all electric battery, switch, light emitting diode, hummer, resistance, phototriode, tongue tube and bimetallic strip is all located on the back side of panel, so that panel front is clean and tidy.The top of panel is provided with suspension member and conveniently this device is hung on wall or blackboard.
Principle and using method:
1. switch on power by toggle switch K, phototriode G is subject to irradiation resistance decreasing, and light emitting diode D is luminous, and hummer sends and pipes, and proves circuit turn-on.Cover phototriode G with the light shield 8 that black Kodak film box is made, phototriode G is not subject to illumination, is high resistance, and red light emitting diodes D is not luminous, proves not conducting of circuit.
2. cover phototriode G with light shield 8, phototriode G is not subject to illumination, uses magnet 7 near tongue tube CC, tongue tube CC conducting, and red light emitting diodes D is luminous, proves circuit turn-on.Remove magnet 7, tongue tube CC disconnects, and light emitting diode D is not luminous, proves not conducting of circuit.
3. cover phototriode G with light shield 8, phototriode G is not subject to illumination, removes magnet 7, with slowly close bimetallic strip RC of lighter 9 flames, and bimetallic strip RC expanded by heating, two electrodes are connected, and red light emitting diodes D is luminous, proves circuit turn-on; Remove rapidly flame, the cooling contraction of bimetallic strip RC, two electrodes disconnect, and light emitting diode D is not luminous, proves that circuit disconnects.
Tongue tube, phototriode, three elements of bimetallic strip can, magnetic, light, warm non-electrical quantities conversion electrical quantities, be realized and controlling circuit, and by the duty of light emitting diode display circuit, the effect that student can personal experiences arrives sensor.
The utility model, circuit is simple, and element used is few, and cost is extremely low, highly sensitive, and visual phenomenon uses simply, is convenient to make, and is easy to carry, and repeats experiment convenient.
Claims (5)
1. teaching is with light-operated, magnetic control, temperature control circuit one brassboard, comprise panel, electric battery, switch, light emitting diode, hummer, resistance, phototriode, tongue tube and bimetallic strip, it is characterized in that: described panel front one side is installed electric battery by battery carrier, panel front middle part fixedly mounts light emitting diode from top to bottom in turn, hummer and switch, the first resistance and the second resistance are installed in the left side of light emitting diode and hummer, phototriode and tongue tube are installed in the right side of light emitting diode and hummer, bimetallic strip is installed on the right side of switch, panel bottom is provided with support board, the positive pole of electric battery is connected with one end of the first resistance by switch, the other end of the first resistance is connected with one end of the positive pole of light emitting diode and hummer, the negative pole of light emitting diode is connected with the collector of the other end of hummer, phototriode and one end of the second resistance, and the other end of the second resistance is connected with one end of one end of tongue tube and bimetallic strip, the negative pole of described electric battery is connected with the other end of the emitter of phototriode, tongue tube and the other end of bimetallic strip, on described support board, be placed with magnet, light shield and lighter.
2. light-operated, magnetic control, temperature control circuit one brassboard for teaching according to claim 1, is characterized in that: described switch, light emitting diode, hummer, resistance, phototriode, tongue tube and bimetallic strip are all fixedly mounted on the front of panel by clench nail.
3. light-operated, magnetic control, temperature control circuit one brassboard for teaching according to claim 2, is characterized in that: described clench nail is metal rivet or binding post.
4. light-operated, magnetic control, temperature control circuit one brassboard for teaching according to claim 1, is characterized in that: the connection line between described electric battery, switch, light emitting diode, hummer, resistance, phototriode, tongue tube and bimetallic strip is located on the back side of panel.
5. light-operated, magnetic control, temperature control circuit one brassboard for teaching according to claim 1, is characterized in that: the top of described panel is provided with suspension member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271610.0U CN203838935U (en) | 2014-05-27 | 2014-05-27 | Light control, magnetic control and temperature control circuit integrated experiment board for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420271610.0U CN203838935U (en) | 2014-05-27 | 2014-05-27 | Light control, magnetic control and temperature control circuit integrated experiment board for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203838935U true CN203838935U (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420271610.0U Expired - Fee Related CN203838935U (en) | 2014-05-27 | 2014-05-27 | Light control, magnetic control and temperature control circuit integrated experiment board for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203838935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10528694B2 (en) | 2016-09-01 | 2020-01-07 | Joebotics Incorporated | Breadboard and electronics experimentation system |
-
2014
- 2014-05-27 CN CN201420271610.0U patent/CN203838935U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10528694B2 (en) | 2016-09-01 | 2020-01-07 | Joebotics Incorporated | Breadboard and electronics experimentation system |
| US10915687B2 (en) | 2016-09-01 | 2021-02-09 | Joebotics Incorporated | Breadboard and electronics experimentation system |
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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 |
Granted publication date: 20140917 Termination date: 20150527 |
|
| EXPY | Termination of patent right or utility model |