CN204145446U - A kind of wireless photoelectric signal circuit - Google Patents
A kind of wireless photoelectric signal circuit Download PDFInfo
- Publication number
- CN204145446U CN204145446U CN201420609608.XU CN201420609608U CN204145446U CN 204145446 U CN204145446 U CN 204145446U CN 201420609608 U CN201420609608 U CN 201420609608U CN 204145446 U CN204145446 U CN 204145446U
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- resistance
- threshold values
- optical signal
- values comparator
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Abstract
The utility model discloses a kind of wireless photoelectric signal circuit, comprise optical signal launch circuit and optical signal receiving circuit, described optical signal launch circuit comprises light-emitting diode and the first resistance, described optical signal receiving circuit comprises phototriode, second resistance is to the 6th resistance, potentiometer, capacitor and threshold values comparator, compared with prior art, the utility model adopts wireless photoelectric Signal transmissions, the speed of optical communication quickly, therefore, it is possible to improve the speed of wireless transmission, the electronic component adopted is less, with low cost, volume is little, there is the value applied.
Description
Technical field
The utility model relates to a kind of transmission of wireless signals circuit, particularly relates to a kind of wireless photoelectric signal circuit.
Background technology
Growing along with wireless technology, Radio Transmission Technology application more and more accept by all trades and professions.Wireless image transmission is also had an optimistic view of by users gradually as a Special use mode.The characteristics such as it is easy for installation, flexibility is strong, cost performance is high make the supervisory control system of more conglomerate adopt wireless transmission method, set up the connection between monitored point and Surveillance center.Wireless monitoring technology modern transportation, transport, water conservancy, shipping, railway, public security, fire-fighting, Frontier Defence Inspection Station, forest fire protection, park, scenic spot, plant area, community, etc. field be widely used.The transmission of wireless signal has multiple, but the wireless signal of prior art is easily disturbed, and transmission speed is restricted, and therefore, there is room for improvement.
Utility model content
The purpose of this utility model is just to provide a kind of wireless photoelectric signal circuit to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises optical signal launch circuit and optical signal receiving circuit, described optical signal launch circuit comprises light-emitting diode and the first resistance, described optical signal receiving circuit comprises phototriode, second resistance is to the 6th resistance, potentiometer, capacitor and threshold values comparator, the just very positive signal input of described light-emitting diode, the negative pole of described light-emitting diode is connected with the first end of described first resistance, second end of described first resistance is negative signal input, described phototriode emitter simultaneously with the first end of described 4th resistance, the cathode power supply input of described threshold values comparator, the first end of described 6th resistance is connected with cathode power supply input, the collector electrode of described phototriode simultaneously with the positive signal input of described threshold values comparator, the first end of described 3rd resistance is connected with the first end of described second resistance, second end of described second resistance simultaneously with the first end of described 5th resistance, the first end of described capacitor, the negative power supply input of described threshold values comparator is connected with the negative pole of power supply, second end of described capacitor simultaneously with the second end of described 5th resistance, second end of described 3rd resistance, the negative signal input of described threshold values comparator is connected with the first end of described potentiometer, second end of described potentiometer is connected with the second end of described 4th resistance, second end of described 6th resistance is connected with the output of described threshold values comparator and as the signal output part of described optical signal receiving circuit.
The beneficial effects of the utility model are:
The utility model is a kind of wireless photoelectric signal circuit, compared with prior art, the utility model adopts wireless photoelectric Signal transmissions, the speed of optical communication quickly, therefore, it is possible to improve the speed of wireless transmission, the electronic component of employing is less, with low cost, volume is little, has the value applied.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises optical signal launch circuit 1 and optical signal receiving circuit 2, optical signal launch circuit 1 comprises LED and the first resistance R1, optical signal receiving circuit 2 comprises phototriode VTG, second resistance R2 is to the 6th resistance R6, potentiometer RT, capacitor C and threshold values comparator IC, the just very positive signal input of LED, the negative pole of LED is connected with the first end of the first resistance R1, second end of the first resistance R1 is negative signal input, phototriode VTG emitter simultaneously with the first end of the 4th resistance R4, the cathode power supply input of threshold values comparator IC, the first end of the 6th resistance R6 is connected with cathode power supply input, the collector electrode of phototriode VTG simultaneously with the positive signal input of threshold values comparator IC, the first end of the 3rd resistance R3 is connected with the first end of the second resistance R2, second end of the second resistance R2 simultaneously with the first end of the 5th resistance R5, the first end of capacitor C, the negative power supply input of threshold values comparator IC is connected with the negative pole of power supply, second end of capacitor C simultaneously with second end of the 5th resistance R5, second end of the 3rd resistance R3, the negative signal input of threshold values comparator IC is connected with the first end of potentiometer RT, second end of potentiometer RT is connected with second end of the 4th resistance R4, second end of the 6th resistance R6 is connected with the output of threshold values comparator IC and as the signal output part OUT of optical signal receiving circuit.
Operation principle of the present utility model is as follows:
As shown in Figure 1: the both positive and negative polarity of signal is connected in optical signal launch circuit 1, LED is glimmered with the frequency of signal, phototriode VTG receives the signal of LED, the voltage of threshold values comparator IC is regulated by potentiometer RT, second resistance R2 and electric capacity C forms low pass filter, stop threshold values comparator IC1 false triggering, finally make threshold values comparator IC export " 1 state " or export the signal of " 0 state " and export, reach the effect of photosignal wireless transmission.
Component parameter of the present utility model is selected as follows:
The threshold values comparator that the phototriode that LED is 0.5W, phototriode VTG is PT5A850AC serial model No., the first resistance R1 are 100 Ω, the second resistance R2 is 400 Ω, the 3rd resistance R3 is 500 Ω, the 4th resistance R4 is 2k Ω, the 5th resistance R5 is 27k Ω, the 6th resistance R6 is 200 Ω, potentiometer RT, capacitor C are 470uf, threshold values comparator IC is model LM311.
Claims (1)
1. a wireless photoelectric signal circuit, it is characterized in that: comprise optical signal launch circuit and optical signal receiving circuit, described optical signal launch circuit comprises light-emitting diode and the first resistance, described optical signal receiving circuit comprises phototriode, second resistance is to the 6th resistance, potentiometer, capacitor and threshold values comparator, the just very positive signal input of described light-emitting diode, the negative pole of described light-emitting diode is connected with the first end of described first resistance, second end of described first resistance is negative signal input, described phototriode emitter simultaneously with the first end of described 4th resistance, the cathode power supply input of described threshold values comparator, the first end of described 6th resistance is connected with cathode power supply input, the collector electrode of described phototriode simultaneously with the positive signal input of described threshold values comparator, the first end of described 3rd resistance is connected with the first end of described second resistance, second end of described second resistance simultaneously with the first end of described 5th resistance, the first end of described capacitor, the negative power supply input of described threshold values comparator is connected with the negative pole of power supply, second end of described capacitor simultaneously with the second end of described 5th resistance, second end of described 3rd resistance, the negative signal input of described threshold values comparator is connected with the first end of described potentiometer, second end of described potentiometer is connected with the second end of described 4th resistance, second end of described 6th resistance is connected with the output of described threshold values comparator and as the signal output part of described optical signal receiving circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420609608.XU CN204145446U (en) | 2014-10-21 | 2014-10-21 | A kind of wireless photoelectric signal circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420609608.XU CN204145446U (en) | 2014-10-21 | 2014-10-21 | A kind of wireless photoelectric signal circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204145446U true CN204145446U (en) | 2015-02-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420609608.XU Expired - Fee Related CN204145446U (en) | 2014-10-21 | 2014-10-21 | A kind of wireless photoelectric signal circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204145446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635791A (en) * | 2019-09-06 | 2019-12-31 | 重庆邮电大学 | Grid voltage bootstrap sampling switch circuit adopting mirror image structure |
-
2014
- 2014-10-21 CN CN201420609608.XU patent/CN204145446U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635791A (en) * | 2019-09-06 | 2019-12-31 | 重庆邮电大学 | Grid voltage bootstrap sampling switch circuit adopting mirror image structure |
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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: 20150204 Termination date: 20151021 |
|
| EXPY | Termination of patent right or utility model |