CN107490432A - A kind of Feebleness Light Signal Examining system - Google Patents
A kind of Feebleness Light Signal Examining system Download PDFInfo
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- CN107490432A CN107490432A CN201710286779.1A CN201710286779A CN107490432A CN 107490432 A CN107490432 A CN 107490432A CN 201710286779 A CN201710286779 A CN 201710286779A CN 107490432 A CN107490432 A CN 107490432A
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- signal
- circuit
- sampler chamber
- analog
- video camera
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- 230000003321 amplification Effects 0.000 claims abstract description 18
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 18
- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 claims abstract description 12
- 238000001228 spectrum Methods 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 4
- 238000005415 bioluminescence Methods 0.000 description 3
- 230000029918 bioluminescence Effects 0.000 description 3
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011982 device technology Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/76—Chemiluminescence; Bioluminescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/76—Chemiluminescence; Bioluminescence
- G01N21/763—Bioluminescence
Abstract
The invention discloses a kind of Feebleness Light Signal Examining system, including：Sampler chamber, ccd video camera, photoelectric switching circuit, signal amplification circuit, analog to digital conversion circuit, single-chip microcomputer；It is characterized in that：The sampler chamber is spheroidal structure, the inwall of sampler chamber is total reflection minute surface, the bottom of sampler chamber is provided with holding tray, the wall of sampler chamber is provided with outlet, ccd video camera is installed on the outlet, the faint optical signal that testing sample is sent is radiated at ccd video camera after sampler chamber wall reflection, the faint optical signal that ccd video camera receives is converted to current signal through photoelectric switching circuit, the current signal is converted to voltage signal by signal amplification circuit by amplification with change-over circuit, finally send voltage signal to analog-digital converter and carry out analog-to-digital conversion, signal after analog-to-digital conversion transmits the spectrum for being parsed to obtain testing sample to single-chip microcomputer and sending faint light, the present invention has precision high, high sensitivity, the advantages of simple in construction.
Description
Technical field
The invention belongs to detection device technology field, and in particular to a kind of Feebleness Light Signal Examining system.
Background technology
Feebleness Light Signal Examining technology is organic knot by variety classes photoelectricity testing part and rational detection technique
Close, realize the detection to characteristic parameters such as faint optical signal wavelength, intensity, phases, be converted into the power of electric signal, waveform, shake
The characteristic parameters such as width characterize, and then realize that the analysis to original object information judges.The strong and weak definition of faint optical signal is one
Relative concept, primarily directed to scientific environment residing at that time, depending on the species of detector, sensitivity and the side of detection
Method.
Faint optical signal is typically derived from bioluminescence, chemiluminescence, superweak luminescence etc. in biological life activity.It is deposited
It is a mark of the life metabolism of different kind organism in various biologies.Bioluminescence is that a kind of oxidation of enzymatic is made
With being present in the various life entities such as bacterium, fungi, insect, fish；Chemiluminescence refers to biological tissue in some chemical substances
In the presence of, chemiluminescence can be induced；Compared with bioluminescence and chemiluminescence, ultra micro low-light radiation is to be prevalent in institute
The bio-photon good fortune for having tested biological life system is penetrated.
The detection technique of faint optical signal mainly has luminous intensity detection and photoimaging to detect two classes, for faint optical signal light
The detection of intensity, it is the detection that light signal strength information is realized by electrooptical device, but to obtain more rich detection letter
Number information, it is necessary to the detection to faint optical signal time and spatial information simultaneously.For intelligentized fiber optic detection system knot
Close that computer processing technology, optical detection component be integrated, miniaturization so that traditional photoelectric detecting technology is more intelligent,
Simply, be the real-time, the parasexuality that ensure Feebleness Light Signal Examining, then need to build one it is real-time, simple, highly sensitive micro-
Low light signals imaging system.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of Feebleness Light Signal Examining system.
A kind of Feebleness Light Signal Examining system, including：Sampler chamber, ccd video camera, photoelectric switching circuit, signal amplification electricity
Road, analog to digital conversion circuit, single-chip microcomputer；It is characterized in that：The sampler chamber is spheroidal structure, and the inwall of sampler chamber is total reflection
Minute surface, the bottom of sampler chamber are provided with holding tray, and the wall of sampler chamber is provided with outlet, and being provided with CCD on the outlet takes the photograph
Camera, the faint optical signal that testing sample is sent are radiated at ccd video camera, ccd video camera after sampler chamber wall reflection
The faint optical signal of reception is converted to current signal through photoelectric switching circuit, and signal amplification circuit is by the current signal by amplifying
Voltage signal is converted to change-over circuit, finally sending voltage signal to analog-digital converter carries out analog-to-digital conversion, analog-to-digital conversion
Signal afterwards transmits the spectrum for being parsed to obtain testing sample to single-chip microcomputer and sending faint light.
Preferably, the single-chip microcomputer is communicated to connect by communication serial port and computer.
Preferably, pre-amplification circuit, logarithmic amplifying circuit, the integration that the signal amplification circuit includes being sequentially connected are put
Big circuit and lock phase amplifying circuit.
Compared with prior art, beneficial effects of the present invention：
The present invention realizes the collection of testing sample faint light by spherical sampler chamber, and is put by photoelectric switching circuit, signal
Big circuit, analog-digital converter are handled and parsed to optical signal, finally show that testing sample sends the spectrum of faint light, have
Precision height, high sensitivity, it is simple in construction the advantages of.
Brief description of the drawings
Fig. 1 is a kind of structural representation of Feebleness Light Signal Examining system of the present invention.
In figure, 1, sampler chamber, 2, holding tray, 3, testing sample, 4, ccd video camera, 5, photoelectric switching circuit, 6, signal puts
Big circuit, 7, analog-digital converter, 8, computer, 9, communication serial port, 10, single-chip microcomputer.
Embodiment
Referring to Fig. 1, a kind of Feebleness Light Signal Examining system, including：Sampler chamber 1, ccd video camera 4, photoelectric switching circuit 5,
Signal amplification circuit 6, analog to digital conversion circuit 7, single-chip microcomputer 10；It is characterized in that：The sampler chamber 1 is spheroidal structure, sampling
The inwall of room 1 is total reflection minute surface, and the bottom of sampler chamber 1 is provided with holding tray 2, and the wall of sampler chamber 1 is provided with outlet, described
Ccd video camera 4 is installed, the faint optical signal that testing sample 3 is sent irradiates after the wall of sampler chamber 1 reflection on outlet
In ccd video camera 4, the faint optical signal that ccd video camera 4 receives is converted to current signal, signal amplification through photoelectric switching circuit 5
The current signal is converted to voltage signal by circuit 6 by amplification with change-over circuit, and finally sending voltage signal to modulus turns
Parallel operation 7 carries out analog-to-digital conversion, the signal after analog-to-digital conversion transmit to single-chip microcomputer 10 parsed to obtain testing sample 3 send it is faint
The spectrum of light.
The single-chip microcomputer 10 is communicated to connect by communication serial port 9 and computer 8.
The signal amplification circuit 6 includes pre-amplification circuit, logarithmic amplifying circuit, the integrating amplification circuit being sequentially connected
With lock phase amplifying circuit.
Invention is exemplarily described above in conjunction with accompanying drawing for technical solution of the present invention, it is clear that present invention specific implementation
It is not subject to the restrictions described above, as long as the various unsubstantialities for employing inventive concept and technical scheme of the present invention progress change
Enter, or it is not improved the design of invention and technical scheme are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (3)
1. a kind of Feebleness Light Signal Examining system, including：Sampler chamber（1）, ccd video camera（4）, photoelectric switching circuit（5）, signal
Amplifying circuit（6）, analog to digital conversion circuit（7）, single-chip microcomputer（10）；It is characterized in that：The sampler chamber（1）For spheroidal structure,
Sampler chamber（1）Inwall for total reflection minute surface, sampler chamber（1）Bottom be provided with holding tray（2）, sampler chamber（1）Wall on set
There is outlet, ccd video camera is installed on the outlet（4）, testing sample（3）The faint optical signal sent is through the sampling
Room（1）Ccd video camera is radiated at after wall reflection（4）, ccd video camera（4）The faint optical signal of reception is through photoelectric switching circuit
（5）Be converted to current signal, signal amplification circuit（6）The current signal is converted into voltage letter by amplification and change-over circuit
Number, finally send voltage signal to analog-digital converter（7）Analog-to-digital conversion is carried out, the signal after analog-to-digital conversion is transmitted to single-chip microcomputer
（10）Parsed to obtain testing sample（3）Send the spectrum of faint light.
A kind of 2. Feebleness Light Signal Examining system as claimed in claim 1, it is characterised in that：The single-chip microcomputer（10）By logical
Believe serial ports（9）With computer（8）Communication connection.
A kind of 3. Feebleness Light Signal Examining system as claimed in claim 1, it is characterised in that：The signal amplification circuit（6）
Including pre-amplification circuit, logarithmic amplifying circuit, integrating amplification circuit and the lock phase amplifying circuit being sequentially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710286779.1A CN107490432A (en) | 2017-04-27 | 2017-04-27 | A kind of Feebleness Light Signal Examining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710286779.1A CN107490432A (en) | 2017-04-27 | 2017-04-27 | A kind of Feebleness Light Signal Examining system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107490432A true CN107490432A (en) | 2017-12-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710286779.1A Withdrawn CN107490432A (en) | 2017-04-27 | 2017-04-27 | A kind of Feebleness Light Signal Examining system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107490432A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020343A (en) * | 2018-01-29 | 2018-05-11 | 山西华仁通电力科技有限公司 | A kind of station boiler sound wave thermometric reception device |
| CN112994693A (en) * | 2021-02-07 | 2021-06-18 | 深圳市电明科技股份有限公司 | Analog-to-digital converter |
| CN116519673A (en) * | 2023-07-04 | 2023-08-01 | 科美诊断技术股份有限公司 | Light excitation chemiluminescence detection device, method and light excitation chemiluminescence detector |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000051127A (en) * | 1999-01-19 | 2000-08-16 | 정명세 | Multifunctional Spectrophotometer with CCD detector and Integrating Sphere |
| CN1424575A (en) * | 2003-01-10 | 2003-06-18 | 华南师范大学 | Chemical lumination inspecting method and device for human body injury by X ray radiation |
| CN1900718A (en) * | 2006-07-27 | 2007-01-24 | 华南师范大学 | Chemical light emitting method and its device for high snesitivity detecting micro albumin |
| CN203364966U (en) * | 2013-07-30 | 2013-12-25 | 武汉理工大学 | High-precision and high-sensitivity optical power meter with large dynamic range |
| CN203825284U (en) * | 2014-04-04 | 2014-09-10 | 浙江卷积科技有限公司 | Weak light collector in three-dimensional space |
| CN204945049U (en) * | 2015-03-13 | 2016-01-06 | 天津科维多科技有限公司 | A kind of High-field Electroluminescence measurement mechanism based on ICCD |
-
2017
- 2017-04-27 CN CN201710286779.1A patent/CN107490432A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000051127A (en) * | 1999-01-19 | 2000-08-16 | 정명세 | Multifunctional Spectrophotometer with CCD detector and Integrating Sphere |
| CN1424575A (en) * | 2003-01-10 | 2003-06-18 | 华南师范大学 | Chemical lumination inspecting method and device for human body injury by X ray radiation |
| CN1900718A (en) * | 2006-07-27 | 2007-01-24 | 华南师范大学 | Chemical light emitting method and its device for high snesitivity detecting micro albumin |
| CN203364966U (en) * | 2013-07-30 | 2013-12-25 | 武汉理工大学 | High-precision and high-sensitivity optical power meter with large dynamic range |
| CN203825284U (en) * | 2014-04-04 | 2014-09-10 | 浙江卷积科技有限公司 | Weak light collector in three-dimensional space |
| CN204945049U (en) * | 2015-03-13 | 2016-01-06 | 天津科维多科技有限公司 | A kind of High-field Electroluminescence measurement mechanism based on ICCD |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020343A (en) * | 2018-01-29 | 2018-05-11 | 山西华仁通电力科技有限公司 | A kind of station boiler sound wave thermometric reception device |
| CN112994693A (en) * | 2021-02-07 | 2021-06-18 | 深圳市电明科技股份有限公司 | Analog-to-digital converter |
| CN116519673A (en) * | 2023-07-04 | 2023-08-01 | 科美诊断技术股份有限公司 | Light excitation chemiluminescence detection device, method and light excitation chemiluminescence detector |
| CN116519673B (en) * | 2023-07-04 | 2024-03-26 | 科美诊断技术股份有限公司 | Light excitation chemiluminescence detection device, method and light excitation chemiluminescence detector |
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Application publication date: 20171219 |