CN203479395U - Light intensity detection device - Google Patents
Light intensity detection device Download PDFInfo
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- CN203479395U CN203479395U CN201320616110.1U CN201320616110U CN203479395U CN 203479395 U CN203479395 U CN 203479395U CN 201320616110 U CN201320616110 U CN 201320616110U CN 203479395 U CN203479395 U CN 203479395U
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Abstract
The utility model discloses a light intensity detection device comprising a photosensitive device module used for converting the light intensity into the electric quantity parameter; an operational amplification comparison module used for amplifying the voltage signal output by the photosensitive device; a strong/weak light identification module, which is used for comparing the voltage amplification signals output by the operational amplification comparison module, and identifying the light intensities of the strong light and the low light; an A/D conversion module used for converting the voltage amplification signals output by the operational amplification comparison module into the digital signals; a microprocessor module, which is used for the data calculation of the input strong/weak light identification module data and the signals of the A/D conversion module, and for the output of the calculated results; a value display module used for displaying the processed data; and a power supply module. The light intensity detection device is advantageous in that by adopting the high-sensitivity crystalline silicon solar cells and the amorphous silicon solar cells as the photosensitive members, the detection precision of the light intensity detection device can be higher, the reliability can be stronger, and the circuit structure can be simple.
Description
Technical field
The utility model relates to a kind of pick-up unit, is specifically related to a kind of light intensity test device.
Background technology
At highway, industry spot, field, under water, tunnel, square, venue, residential district, industry spot, field, under water etc. in some Code in Hazardous Special Locations, owing to need to light units being carried out to real-time adjusting, so first need intensity of illumination accurately to detect.Simultaneously, in some resident living, such as at home life, greenhouse greenhouse etc., also all day by day needs that the intensity of illumination of some visible rays is carried out to accurately detection and controls accordingly data to offer illumination system, with by the adjusting of intensity of illumination being reached to the requirement of people to current intensity of illumination.
Tradition is by photoresistance sensing intensity of illumination to the detection method of intensity of illumination at present, after gathering, the sensing voltage signal by A/D conversion circuit, two ends after photoresistance sensing being produced again converts digital signal to, and then by being carried out to corresponding computing, the digital signal after conversion draws intensity of illumination, this testing circuit complex structure and accuracy of detection limited, more and more cannot meet the needs of people's productive life.
Summary of the invention
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, provides a kind of highly sensitive crystal silicon solar batteries and non-crystal silicon solar cell of adopting as the pick-up unit of light sensation device, and its concrete technical scheme is as follows:
A light intensity test device, is characterized in that, comprising: for light intensity being converted to the light sensation device blocks of electrical parameter; For the amplifier comparison module that the voltage signal of light sensation device blocks output is amplified; For the voltage amplification signal of amplifier comparison module output is compared, identify fast the strong and weak light identification module of high light and low light level light intensity; For the voltage amplification signal of amplifier comparison module output is converted to digital signal, for microprocessor provides the A/D modular converter of digital quantity; For the strong and weak light identification module data of input and the signal of A/D modular converter are carried out to data calculating, and the data of calculating are outputed to the microprocessor module of numerical value display module; The numerical value display module showing for the data after microprocessor module is processed; Be used to inner each module of described light intensity test device that the power module of D.C. regulated power supply is provided.
Further described light sensation device blocks comprises monocrystaline silicon solar cell and non-crystal silicon solar cell, the electrical parameter that described monocrystaline silicon solar cell produces calculates for high light light intensity data, and the electrical parameter that non-crystal silicon solar cell is produced calculates for low light level light intensity data.
Further, described amplifier comparison module comprises the first comparer, the second comparer, the 3rd comparer, and the first divider resistance being connected in series and the second divider resistance, described A/D modular converter comprises an A/D module, the 2nd A/D module, the 3rd A/D module, described power module is successively by ground connection after the first divider resistance of being connected in series and the second divider resistance, described the first comparer and the reverse input end of the second comparer are connected respectively the output terminal of monocrystaline silicon solar cell and non-crystal silicon solar cell, the positive input of the first comparer and the second comparer is connected to respectively the node between described the first divider resistance and the second divider resistance, the output terminal of the first comparer connects reverse input end and an A/D module input of the 3rd comparer, the output terminal of the second comparer connects positive input and the 3rd A/D module input of the 3rd comparer, the output terminal of described the 3rd comparer connects the 2nd A/D module input, described first, second is connected respectively microprocessor module input end with the 3rd A/D module output terminal.
Further, described numerical value display module has comprised that high light and low light level type show, light intensity numerical value shows.
The utility model compared with prior art has the following advantages: by adopting highly sensitive crystal silicon solar batteries and non-crystal silicon solar cell as light sensation device, make the accuracy of detection of this light intensity test device higher, reliability is stronger, and circuit structure is simple.
Accompanying drawing explanation
Fig. 1 is the system chart of the utility model embodiment.
Fig. 2 is the amplifier comparison module of the utility model embodiment and the connection layout of A/D modular converter.
Embodiment
Below in conjunction with 1,2 pairs of specific embodiment of the utility model of accompanying drawing, be described further.
In this embodiment, as shown in Figure 1, a kind of light intensity test device, comprising: for light intensity being converted to the light sensation device blocks 1 of electrical parameter; For the amplifier comparison module 2 that the voltage signal of light sensation device blocks 1 output is amplified; For the voltage amplification signal of amplifier comparison module 2 outputs is compared, identify fast the strong and weak light identification module 3 of high light and low light level light intensity; For the voltage amplification signal of amplifier comparison module 2 output is converted to digital signal, for microprocessor provides the A/D modular converter 5 of digital quantity; For strong and weak light identification module 3 data of input and the signal of A/D modular converter 5 are carried out to data calculating, and the data of calculating are outputed to the microprocessor module 4 of numerical value display module 6; The numerical value display module 6 showing for the data after microprocessor module 4 is processed; Be used to inner each module of described light intensity test device that the power module 7 of D.C. regulated power supply is provided.
Wherein, as shown in Figure 2, described light sensation device blocks 1 comprises monocrystaline silicon solar cell and non-crystal silicon solar cell, and the electrical parameter that described monocrystaline silicon solar cell produces calculates for high light light intensity data, and the electrical parameter that non-crystal silicon solar cell is produced calculates for low light level light intensity data.Described amplifier comparison module 2 comprises the first comparer, the second comparer, the 3rd comparer, and the first divider resistance being connected in series and the second divider resistance, described A/D modular converter 5 comprises an A/D module, the 2nd A/D module, the 3rd A/D module, described power module is successively by ground connection after the first divider resistance of being connected in series and the second divider resistance, described the first comparer and the reverse input end of the second comparer are connected respectively the output terminal of monocrystaline silicon solar cell and non-crystal silicon solar cell, the positive input of the first comparer and the second comparer is connected to respectively the node between described the first divider resistance and the second divider resistance, the output terminal of the first comparer connects reverse input end and an A/D module input of the 3rd comparer, the output terminal of the second comparer connects positive input and the 3rd A/D module input of the 3rd comparer, the output terminal of described the 3rd comparer connects the 2nd A/D module input, described first, second is connected respectively microprocessor module 4 input ends with the 3rd A/D module output terminal.
When starting to detect intensity of illumination, horizontal positioned light intensity test device, monocrystaline silicon solar cell and non-crystal silicon solar cell can be accepted light intensity, produce different voltage, current signal, and by the amplifier comparison module of ad eundem, realize electric quantity signal and amplify, because monocrystalline silicon battery can produce large electric current when the strong illumination, when the low light level irradiates, produce little electric current; And amorphous silicon battery the low light level according to time same, also can produce larger voltage, the electric pressure producing than monocrystalline silicon battery is high, so can identify current by strong and weak light identification module, is high light or the low light level; When detecting as high light, microprocessor receives the voltage signal that monocrystalline silicon battery produces, and carries out numerical value conversion, and the line number of going forward side by side value shows; When detecting as the low light level, microprocessor receives the raw voltage signal of amorphous silicon battery, carries out numerical value conversion, and the line number of going forward side by side value shows, realizes light intensity test function.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong to the protection domain of technical solutions of the utility model.
Claims (4)
1. a light intensity test device, is characterized in that, comprising:
Light sensation device blocks, it is for being converted to electrical parameter by light intensity;
Amplifier comparison module, for amplifying the voltage signal of light sensation device blocks output;
Strong and weak light identification module, for the voltage amplification signal of amplifier comparison module output is compared, identifies high light and low light level light intensity fast;
A/D modular converter, for the voltage amplification signal of amplifier comparison module output is converted to digital signal, for microprocessor provides digital quantity;
Microprocessor module, for the strong and weak light identification module data of input and the signal of A/D modular converter are carried out to data calculating, and outputs to numerical value display module the data of calculating;
Numerical value display module, shows for the data after microprocessor module is processed;
Power module, is used to inner each module of described light intensity test device that D.C. regulated power supply is provided.
2. light intensity test device according to claim 1, it is characterized in that, described light sensation device blocks comprises monocrystaline silicon solar cell and non-crystal silicon solar cell, the electrical parameter that described monocrystaline silicon solar cell produces calculates for high light light intensity data, and the electrical parameter that non-crystal silicon solar cell is produced calculates for low light level light intensity data.
3. light intensity test device according to claim 2, it is characterized in that, described amplifier comparison module comprises the first comparer, the second comparer, the 3rd comparer, and the first divider resistance being connected in series and the second divider resistance, described A/D modular converter comprises an A/D module, the 2nd A/D module, the 3rd A/D module, described power module is successively by ground connection after the first divider resistance of being connected in series and the second divider resistance, described the first comparer and the reverse input end of the second comparer are connected respectively the output terminal of monocrystaline silicon solar cell and non-crystal silicon solar cell, the positive input of the first comparer and the second comparer is connected to respectively the node between described the first divider resistance and the second divider resistance, the output terminal of the first comparer connects reverse input end and an A/D module input of the 3rd comparer, the output terminal of the second comparer connects positive input and the 3rd A/D module input of the 3rd comparer, the output terminal of described the 3rd comparer connects the 2nd A/D module input, described first, second is connected respectively microprocessor module input end with the 3rd A/D module output terminal.
4. according to arbitrary described light intensity test device in claims 1 to 3, it is characterized in that, described numerical value display module has comprised that high light and low light level type show, light intensity numerical value shows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320616110.1U CN203479395U (en) | 2013-10-08 | 2013-10-08 | Light intensity detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320616110.1U CN203479395U (en) | 2013-10-08 | 2013-10-08 | Light intensity detection device |
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| CN203479395U true CN203479395U (en) | 2014-03-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676621A (en) * | 2016-03-26 | 2016-06-15 | 林捷达 | Intelligent watch with illumination detection |
| CN105955122A (en) * | 2016-05-23 | 2016-09-21 | 浙江大学 | Circuit for controlling operation of alarm clock based on minimal system of single-chip microcomputer and alarm clock |
| CN114660215A (en) * | 2022-05-25 | 2022-06-24 | 山东科技大学 | FID detection circuit of gas chromatograph |
| CN116930799A (en) * | 2023-09-15 | 2023-10-24 | 江苏森标科技有限公司 | Online sheet resistance detection system of battery piece |
-
2013
- 2013-10-08 CN CN201320616110.1U patent/CN203479395U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676621A (en) * | 2016-03-26 | 2016-06-15 | 林捷达 | Intelligent watch with illumination detection |
| CN105955122A (en) * | 2016-05-23 | 2016-09-21 | 浙江大学 | Circuit for controlling operation of alarm clock based on minimal system of single-chip microcomputer and alarm clock |
| CN114660215A (en) * | 2022-05-25 | 2022-06-24 | 山东科技大学 | FID detection circuit of gas chromatograph |
| CN114660215B (en) * | 2022-05-25 | 2022-12-09 | 山东科技大学 | FID detection circuit of gas chromatograph |
| CN116930799A (en) * | 2023-09-15 | 2023-10-24 | 江苏森标科技有限公司 | Online sheet resistance detection system of battery piece |
| CN116930799B (en) * | 2023-09-15 | 2023-12-08 | 江苏森标科技有限公司 | Online sheet resistance detection system of battery piece |
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| 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: 20140312 Termination date: 20181008 |