CN204808691U - Design subassembly can be put up in light -operated experiment based on photo resistance - Google Patents
Design subassembly can be put up in light -operated experiment based on photo resistance Download PDFInfo
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- CN204808691U CN204808691U CN201520424432.5U CN201520424432U CN204808691U CN 204808691 U CN204808691 U CN 204808691U CN 201520424432 U CN201520424432 U CN 201520424432U CN 204808691 U CN204808691 U CN 204808691U
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- experiment
- photoresistance
- light
- photoelectric probe
- probe device
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Abstract
The utility model provides a design subassembly can be put up in light -operated experiment based on photo resistance, being provided with guide rail, two slider and the power conversion module s of slidable on the guide rail on always test platform and PCB subassembly board, always testing the platform, still including the light source device, photoelectric probe device and PCB subassembly board, the light source device and photoelectric probe device difference detachable device are on two sliders, the rigid coupling has the photo resistance in the photoelectric probe device, and the rigid coupling has emitting diode in the photoelectric probe device, and every pin correspondence of photo resistance and diode is connected with the joinable measuring head, PCB subassembly board is independent of total experiment platform, and the rigid coupling has pin corresponding joinable test point that is connected with on PCB subassembly board of device subassembly, every device on it, the utility model discloses make the student can oneself design and the overlap joint based on the light -operated lamp of photo resistance and photoswitch experiment, strengthened starting and moving the brain -capacity and do all can of student, simultaneously the utility model discloses simple structure, it is with low costs.
Description
Technical field
The utility model relates to electronic instruction apparatus field, and particularly relating to a kind of experiment of photoswitch based on photoresistance can build design component.
Background technology
Light-operated electric light, controls the electric current needed for electric light with light exactly, allows current turns ON or disconnection, to reach the object of switching lamp.At present, the beacon of rivers, ocean, highway and street lamp, and the place of some other unmanned and needs illumination, generally adopt light-controlled lamp.Therefore the principle and characteristics allowing student grasp in a down-to-earth manner light-controlled lamp and light-operated switch in teaching is very important.
Summary of the invention
The utility model provides a kind of experiment of photoswitch based on photoresistance to build design component for solving in known technology the technical matters that exists.
The utility model can build design component for the technical scheme solving in known technology the technical matters that exists and take is to provide a kind of experiment of photoswitch based on photoresistance, comprise total experiment porch, described total experiment porch is provided with guide rail, two slide blocks slidably on guide rail and power transfer module, also comprise light supply apparatus, photoelectric probe device and PCB component palette, described light supply apparatus and photoelectric probe device difference detachable apparatus are on two described slide blocks; Be connected with photoresistance in described photoelectric probe device, be connected with light emitting diode in described photoelectric probe device, each pin correspondence of described photoresistance and light emitting diode is connected with can connecting test head; Described PCB component palette is independent of described total experiment porch, it is connected with apparatus assembly, described apparatus assembly comprises low power operational amplifier, relay, triode and several resistance, and pin correspondence on described PCB component palette of each device is connected with can connecting test point.
According to a preferred embodiment of the present utility model, 220V alternating current is converted to+5V and+12V direct current by the power transfer module on described total experiment porch; Described can connecting test point be can test jack; Described low power operational amplifier is LM358N; Described relay is 5V relay; Described apparatus assembly comprises the resistance of 1 33 Ω resistance, 2 100 Ω resistance, 1 500 Ω resistance, 1 820K.
The beneficial effects of the utility model are: the utility model adopt the pattern can building formula make student can oneself design based on the light-controlled lamp of photoresistance and light-operated switch experiment, and according to the circuit strap circuits designed, student is enable in depth to understand principle and the application of light-controlled lamp and light-operated switch, strengthen starting and the ability that beats one's brains of student, the utility model structure is simple simultaneously, and cost is low.
Accompanying drawing explanation
Fig. 1 is the modular construction schematic diagram of PCB component palette in the utility model;
Fig. 2 is the circuit theory diagrams of the light-controlled lamp of the utility model overlap joint;
Fig. 3 is the circuit theory diagrams of the light-operated switch of the utility model overlap joint.
Embodiment
In order to understand summary of the invention of the present utility model, Characteristic further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1, the technical solution of the utility model is to provide a kind of experiment of photoswitch based on photoresistance can build design component, comprise total experiment porch, total experiment porch is provided with guide rail, two slide blocks slidably on guide rail and power transfer module, also comprise light supply apparatus, photoelectric probe device and PCB component palette, light supply apparatus and photoelectric probe device difference detachable apparatus are on two slide blocks; Be connected with photoresistance in photoelectric probe device, be connected with light emitting diode in photoelectric probe device, each pin correspondence of photoresistance and light emitting diode is connected with can connecting test head; PCB component palette, independent of total experiment porch, it is connected with apparatus assembly, and apparatus assembly comprises low power operational amplifier, relay, triode and several resistance, and pin correspondence on PCB component palette of each device is connected with can connecting test point.
In the examples below, 220V alternating current is converted to+5V and+12V direct current by the power transfer module on total experiment porch; Can connecting test point be can test jack; Low power operational amplifier is LM358N; Relay is 5V relay; Apparatus assembly comprises the resistance of 1 33 Ω resistance, 2 100 Ω resistance, 1 500 Ω resistance, 1 820K.
Embodiment one:
Be illustrated in figure 2 the circuit theory diagrams of light-controlled lamp experiment.
1 pin of U1 respectively sending and receiving optical diode positive pole and connect 1 end of R4, the negative pole of light emitting diode connects 1 end of R5, the other end ground connection of R5,3 pin of the 2 termination U1 of R4 and 1 end of R3, the other end ground connection of R3,3 pin of U1 connect 1 end of photoresistance and connect 1 end of R2, the other end ground connection of photoresistance, the 4 pin ground connection of another termination+5V of R2, U1,5 pin of U1,6 pin and 7 pin are unloaded, and 8 pin of U1 meet+5V.
The course of work of light-controlled lamp is: take according to the circuit diagram designed and turn on the electricity, and this circuit, by the 820K electric resistance partial pressure of photoresistance and series connection, exports.Output voltage receives the in-phase end of amplifier LM358N, is in-phase amplification circuit.When natural lighting grow, input voltage diminishes, and amplifier exports and diminishes, and light emitting diode is dimmed; When natural lighting dies down, input voltage TV university, amplifier exports and becomes large, and light emitting diode brightens.In the present embodiment, natural light can replace with intensity adjustable lamp.
Embodiment two:
Be illustrated in figure 3 the circuit theory diagrams of light-operated switch experiment.
1 pin of U1 connects 1 end of R4 and the base stage of triode, 1 end that the collector of triode meets+5V, emitter meets U2,2 pin of U2,3 pin, 4 pin and 6 pin are unloaded, the positive pole of the 5 termination light emitting diodes of U2, the negative pole of light emitting diode connects 1 end of R5, the 2 end ground connection of R5,7 pin of U2 connect+5V, 8 pin ground connection, 3 pin of the 2 termination U1 of R4 and 1 end of R3, the other end ground connection of R3,3 pin of U1 connect 1 end of photoresistance and 1 end of R2, the other end ground connection of photoresistance, the 4 pin ground connection of another termination+5V of R2, U1,5 pin of U1,6 pin and 7 pin are unloaded, and 8 pin meet+5V.
The course of work of light-operated switch is: take according to the circuit diagram designed and turn on the electricity, and this circuit, by the 820K electric resistance partial pressure of photoresistance and series connection, exports.Output voltage receives the in-phase end of amplifier LM358N, is in-phase amplification circuit.When natural lighting grow, when illumination dies down, input voltage TV university, amplifier exports and becomes large.When amplifier output is greater than the cut-in voltage of triode, triode ON, relay closes, light emitting diode is lit; When amplifier output voltage is less than the cut-in voltage of triode, triode ends, and relay is opened, and light emitting diode extinguishes.
In the present embodiment, natural light can replace with intensity adjustable lamp.
On the utility model, select to need the components and parts used to take according to schematic diagram after student designs circuit to turn on the electricity, period can also connect to come observation experiment result to grasp the effect of various piece circuit further by Circuit tuning.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (4)
1. the experiment of photoswitch based on photoresistance can build design component, comprise total experiment porch, described total experiment porch is provided with guide rail, two slide blocks slidably on guide rail and power transfer module, it is characterized in that: also comprise light supply apparatus, photoelectric probe device and PCB component palette, described light supply apparatus and photoelectric probe device difference detachable apparatus are on two described slide blocks; Be connected with photoresistance in described photoelectric probe device, be connected with light emitting diode in described photoelectric probe device, each pin correspondence of described photoresistance and light emitting diode is connected with can connecting test head; Described PCB component palette is independent of described total experiment porch, it is connected with apparatus assembly, described apparatus assembly comprises low power operational amplifier, relay, triode and several resistance, and pin correspondence on described PCB component palette of each device is connected with can connecting test point.
2. a kind of experiment of photoswitch based on photoresistance can build design component according to claim 1, it is characterized in that: described can connecting test point be can test jack.
3. a kind of experiment of photoswitch based on photoresistance can build design component according to claim 1, it is characterized in that: described low power operational amplifier is LM358N.
4. a kind of experiment of photoswitch based on photoresistance can build design component according to claim 1, it is characterized in that: described relay is 5V relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424432.5U CN204808691U (en) | 2015-06-18 | 2015-06-18 | Design subassembly can be put up in light -operated experiment based on photo resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520424432.5U CN204808691U (en) | 2015-06-18 | 2015-06-18 | Design subassembly can be put up in light -operated experiment based on photo resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204808691U true CN204808691U (en) | 2015-11-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520424432.5U Expired - Fee Related CN204808691U (en) | 2015-06-18 | 2015-06-18 | Design subassembly can be put up in light -operated experiment based on photo resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204808691U (en) |
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2015
- 2015-06-18 CN CN201520424432.5U patent/CN204808691U/en not_active Expired - Fee Related
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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: 20151125 Termination date: 20180618 |