CN204244546U - A kind of portable intensity of illumination real-time detecting system - Google Patents
A kind of portable intensity of illumination real-time detecting system Download PDFInfo
- Publication number
- CN204244546U CN204244546U CN201420798395.XU CN201420798395U CN204244546U CN 204244546 U CN204244546 U CN 204244546U CN 201420798395 U CN201420798395 U CN 201420798395U CN 204244546 U CN204244546 U CN 204244546U
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- CN
- China
- Prior art keywords
- pins
- chip microcomputer
- timers
- detecting system
- intensity
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- 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.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
A kind of portable intensity of illumination real-time detecting system, it comprises light sensor, and light sensor is connected with square-wave generator, and square-wave generator is connected with the input port of single-chip microcomputer, and the delivery outlet of single-chip microcomputer is connected with display screen; Square-wave generator comprises 555 timers, and light sensor is photo resistance, and photo resistance is connected with 555 timers.The utility model can accurately detect intensity of illumination and show detecting numerical value accordingly intuitively.
Description
Technical field
The utility model relates to electronic technology field, is specifically related to a kind of portable intensity of illumination real-time detecting system.
Background technology
All always carve in daily life and industrial production and be unable to do without light.Suitable illumination can ensure healthy life and good industrial production, such as, in daily life, then can protect eyes under suitable illumination, and suitable illumination can improve work and study efficiency; Automobile headlamp, selects suitable illumination can ensure driver's traffic safety.Therefore, it is important that the daily life of mini system to us detecting in real time intensity of illumination seems more.
The research in domestic and international focus ring border continues to carry out, and the method for operation regulation that related specifications focus ring border is detected mostly is grid division, arranges test point, adopts illuminance meter and luminance meter to carry out pointwise detection to indexs such as object illumination to be measured and brightness.Although these detection methods all comparative maturity, also also exist detection can not real-time, checkout gear volume large, detect the shortcomings such as inconvenient.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, and the portable intensity of illumination real-time detecting system of the one provided, it can accurately detect intensity of illumination and show detecting numerical value accordingly intuitively.
The object of utility model is achieved in that
A kind of portable intensity of illumination real-time detecting system, it comprises light sensor, and light sensor is connected with square-wave generator, and square-wave generator is connected with the input port of single-chip microcomputer, and the delivery outlet of single-chip microcomputer is connected with display screen; Square-wave generator comprises 555 timers, and light sensor is photo resistance, and photo resistance is connected with 555 timers.
Described square-wave generator also comprises triode, diode, and the emitter of triode is connected with the anode of diode, and the base stage of triode is connected with 7 pins of 555 timers with the negative electrode of diode; One end of photo resistance is connected with 2 pins of 555 timers and 6 pins, and the other end is connected with the emitter of triode.
3 pins of described 555 timers and 1 pin of inverter connect several, and inverter 2 pin is connected with 4 pins of single-chip microcomputer; The model of single-chip microcomputer is AT89C51, and display screen is LCD display,
3 pins of described 555 timers are connected with 1 pin of single-chip microcomputer after resistance.
The signal of the display screen of described LCD is that 14 to 7 pins of LCD1602, LCD1602 are linked in sequence with 32 to 39 pins of single-chip microcomputer respectively.
The utility model achieves following technique effect:
When adopting above structure, the intensity variation that photo resistance senses, directly can cause the change of square-wave generator output frequency, the change of frequency can detect in real time through single-chip microcomputer, the frequency detected has can according to the corresponding relation of light intensity and frequency, be converted into intensity of illumination in real time, then output to the intensity of illumination that LCD demonstrates any time.
Adopt photo resistance to access the structure of 555 oscillators, eliminate general transducer and all will output signal through signal processing circuit, greatly simplifie circuit, decrease other signal disturbing;
Adopt LCD display be connected with single-chip microcomputer and receive and show the structure of data, be convenient to the integrated of system, reduce the volume of whole system, and hand-hold type, portable instrument development can be realized, can measure in the wild.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is circuit diagram of the present utility model.
Embodiment
A portable intensity of illumination real-time detecting system as shown in Figure 1, it comprises light sensor 1, and light sensor 1 is connected with square-wave generator, and square-wave generator is connected with the input port of single-chip microcomputer 3, and the delivery outlet of single-chip microcomputer 3 is connected with display screen 4; Square-wave generator comprises 555 timer 2s 01, and light sensor 1 is photo resistance, and photo resistance is connected with 555 timer 2s 01.
Described square-wave generator also comprises triode 202, diode 203, and the emitter of triode 202 is connected with the anode of diode 203, and the base stage of triode 202 is connected with 7 pins of the negative electrode of diode 203 with 555 timer 2s 01; One end of photo resistance is connected with 2 pins of 555 timers and 6 pins, and the other end is connected with the emitter of triode 202.
Described 3 pins of 555 timer 2s 01 and 1 pin of inverter 5 connect several, and inverter 52 pin is connected with 4 pins of single-chip microcomputer 3; The model of single-chip microcomputer is AT89C51, and display screen is LCD display,
3 pins of described 555 timers are connected with 1 pin of single-chip microcomputer 3 after resistance 6.
The signal of the display screen of described LCD is that 14 to 7 pins of LCD1602, LCD1602 are linked in sequence with 32 to 39 pins of single-chip microcomputer respectively.
Adopt said structure, the intensity variation that photo resistance senses, directly can cause the change of square-wave generator output frequency, the change of frequency can detect in real time through single-chip microcomputer, the frequency detected has can according to the corresponding relation of light intensity and frequency, be converted into intensity of illumination in real time, then output to the intensity of illumination that LCD demonstrates any time.
Accessed the structure of 555 oscillators by photo resistance, eliminate general transducer and all will output signal through signal processing circuit, greatly simplifie circuit, decrease other signal disturbing;
To be connected with single-chip microcomputer by LCD display and to receive and show the structure of data, being convenient to the integrated of system, reducing the volume of whole system, and hand-hold type, portable instrument development can be realized, can measure in the wild.
Claims (5)
1. a portable intensity of illumination real-time detecting system, it is characterized in that: it comprises light sensor (1), light sensor (1) is connected with square-wave generator, and square-wave generator is connected with the input port of single-chip microcomputer (3), and the delivery outlet of single-chip microcomputer (3) is connected with display screen (4);
Described square-wave generator comprises 555 timers (201), and light sensor (1) is photo resistance, and photo resistance is connected with 555 timers (201).
2. portable intensity of illumination real-time detecting system according to claim 1, it is characterized in that: described square-wave generator also comprises triode (202), diode (203), the emitter of triode (202) is connected with the anode of diode (203), and the base stage of triode (202) is connected with 7 pins of 555 timers (201) with the negative electrode of diode (203);
One end of photo resistance is connected with 2 pins of 555 timers and 6 pins, and the other end is connected with the emitter of triode (202).
3. portable intensity of illumination real-time detecting system according to claim 2, is characterized in that: 3 pins of described 555 timers (201) and 1 pin of inverter (5) connect several, and inverter (5) 2 pin is connected with 4 pins of single-chip microcomputer (3);
The model of described single-chip microcomputer is AT89C51, and display screen is LCD display.
4. the portable intensity of illumination real-time detecting system according to Claims 2 or 3, is characterized in that: 3 pins of described 555 timers are connected with 1 pin of single-chip microcomputer (3) after resistance (6).
5. portable intensity of illumination real-time detecting system according to claim 3, is characterized in that: the signal of the display screen of described LCD is that 14 to 7 pins of LCD1602, LCD1602 are linked in sequence with 32 to 39 pins of single-chip microcomputer respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420798395.XU CN204244546U (en) | 2014-12-17 | 2014-12-17 | A kind of portable intensity of illumination real-time detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420798395.XU CN204244546U (en) | 2014-12-17 | 2014-12-17 | A kind of portable intensity of illumination real-time detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204244546U true CN204244546U (en) | 2015-04-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420798395.XU Expired - Fee Related CN204244546U (en) | 2014-12-17 | 2014-12-17 | A kind of portable intensity of illumination real-time detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204244546U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105263237A (en) * | 2015-11-16 | 2016-01-20 | 西安科技大学 | Novel solar lighting street lamp |
| CN111601424A (en) * | 2020-06-02 | 2020-08-28 | 上海安导电子科技有限公司 | Intelligent switch control management device and method suitable for street lamp |
-
2014
- 2014-12-17 CN CN201420798395.XU patent/CN204244546U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105263237A (en) * | 2015-11-16 | 2016-01-20 | 西安科技大学 | Novel solar lighting street lamp |
| CN111601424A (en) * | 2020-06-02 | 2020-08-28 | 上海安导电子科技有限公司 | Intelligent switch control management device and method suitable for street lamp |
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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: 20150401 Termination date: 20151217 |
|
| EXPY | Termination of patent right or utility model |