CN107490432A - A kind of Feebleness Light Signal Examining system - Google Patents

A kind of Feebleness Light Signal Examining system Download PDF

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Publication number
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
Authority
CN
China
Prior art keywords
signal
circuit
sampler chamber
analog
video camera
Prior art date
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.)
Withdrawn
Application number
CN201710286779.1A
Other languages
Chinese (zh)
Inventor
陈根南
吴清泉
姚琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANHUI HARME TECHNOLOGY DEVELOPMENT Co Ltd
Original Assignee
ANHUI HARME TECHNOLOGY DEVELOPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ANHUI HARME TECHNOLOGY DEVELOPMENT Co Ltd filed Critical ANHUI HARME TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN201710286779.1A priority Critical patent/CN107490432A/en
Publication of CN107490432A publication Critical patent/CN107490432A/en
Withdrawn legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00Photometry, e.g. photographic exposure meter
    • G01J1/42Photometry, e.g. photographic exposure meter using electric radiation detectors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/76Chemiluminescence; Bioluminescence
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/76Chemiluminescence; Bioluminescence
    • G01N21/763Bioluminescence

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

A kind of Feebleness Light Signal Examining system
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.
CN201710286779.1A 2017-04-27 2017-04-27 A kind of Feebleness Light Signal Examining system Withdrawn CN107490432A (en)

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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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 (1)

* Cited by examiner, † Cited by third party
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

Citations (6)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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 (1)

* Cited by examiner, † Cited by third party
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

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Application publication date: 20171219

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