CN208752002U - A kind of spectrophotomelric assay device - Google Patents
A kind of spectrophotomelric assay device Download PDFInfo
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- CN208752002U CN208752002U CN201821252676.XU CN201821252676U CN208752002U CN 208752002 U CN208752002 U CN 208752002U CN 201821252676 U CN201821252676 U CN 201821252676U CN 208752002 U CN208752002 U CN 208752002U
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Abstract
The utility model discloses a kind of spectrophotomelric assay devices.The device includes: light source, first segment optical fiber, High-temperature Digestion container, second segment optical fiber, the first optical receiver and processor.Light source is connected by first segment optical fiber with High-temperature Digestion container.When High-temperature Digestion container is equipped with solution to be detected, the first detection light beam of light source transmitting through first segment fiber optic conduction and irradiates High-temperature Digestion container.First optical receiver is connected by second segment optical fiber with High-temperature Digestion container.First optical receiver receives the second detection light beam by second segment optical fiber and generates the first photosignal.Similarly, when High-temperature Digestion container is equipped with pure water, the first optical receiver produces the second photosignal.First optical receiver is connected with processor.Processor can determine the absorbance of solution to be detected according to received first photosignal of the first optical receiver and the second photosignal.Using the utility model, the detection accuracy and applicability of spectrophotomelric assay device can be promoted.
Description
Technical field
The utility model relates to optical field more particularly to a kind of spectrophotometers.
Background technique
With the continuous development of science and technology, optical application field is also constantly being expanded.For example, in chemical field
In, common spectrophotometry carries out qualitative or quantitative analysis to solution to be measured.Spectrophotometry is to be tested by measuring
The absorbance or luminous intensity of solution light in certain wave strong point or a wavelength range, to according to absorbance and shine
Intensity carries out qualitative or quantitative analysis method to solution to be tested.As spectrophotometry applies model in chemical field
It encloses more and more extensively, requirement of the people to the Detection accuracy of spectrophotometry is also higher and higher.
In the prior art, spectrophotomelric assay device is needed when detecting to solution to be detected to be detected molten
Liquid carries out High-temperature Digestion, and higher temperature will lead to the performance of the devices such as the photosensitive element in detection device by shadow
It rings, so as to cause the optical parameter inaccuracy detected.Also, different detection environment also result in the light that detection device detects
Parameter generates variation.So current spectrophotometry precision is low, it is poor for applicability.
Utility model content
The utility model embodiment provides a kind of spectrophotomelric assay device, can promote the inspection of spectrophotomelric assay device
Survey precision and applicability.
The utility model provides a kind of spectrophotomelric assay device, comprising: light source, first segment optical fiber, High-temperature Digestion hold
Device, second segment optical fiber, the first optical receiver and processor.Wherein, the light source passes through the first segment optical fiber and the high temperature
Digestion container is connected.When the High-temperature Digestion container is equipped with solution to be detected, the first detection of light source transmitting light beam, institute
The first detection light beam is stated through the first segment fiber optic conduction and irradiates the High-temperature Digestion container.First optical receiver passes through
The second segment optical fiber is connected with the High-temperature Digestion container.First optical receiver, which receives, is based on the second segment optical fiber
Second detection light beam of conduction simultaneously generates the first photosignal.Wherein, the second detection light beam is the first detection light beam
The light beam obtained through the solution to be detected.When the High-temperature Digestion container is equipped with pure water, the light source transmitting third inspection
Light beam is surveyed, the third detection light beam through the first segment fiber optic conduction and irradiates the High-temperature Digestion container.First light
Receiver receives the 4th detection light beam based on the second segment fiber optic conduction and generates the second photosignal.Wherein, described
Four detection light beams are that the first detection light beam penetrates the light beam that the solution to be detected obtains.First optical receiver and institute
It states processor to be connected, the processor is determined described to be checked according to first photosignal and second photosignal
Survey the absorbance of solution.
In the utility model embodiment, received by above-mentioned first optical receiver based on above-mentioned second segment fiber optic conduction
Second detection light beam and the 4th detection light beam.At the same time, the first correction light beam and two corrections are received by third section optical fiber
Light beam is to determine light absorbance error corrected value.Finally according to above-mentioned light absorbance error corrected value and it is above-mentioned second detection light beam and
Above-mentioned 4th detection light beam determines the absorbance of above-mentioned solution to be detected.Make light source by first segment optical fiber and second segment optical fiber
With the first optical receiver without directly contacting High-temperature Digestion container, high temperature is avoided to light source and the first optical receiver working performance
Influence.Meanwhile measurement error caused by different detection environment is also eliminated by light absorbance error corrected value.Therefore, it uses
The present embodiment can promote the detection accuracy and applicability of spectrophotometric detecting method.
Detailed description of the invention
It, below will be to embodiment or existing in order to illustrate more clearly of the utility model or technical solution in the prior art
Attached drawing needed in technical description is briefly described.
Fig. 1 is a structural schematic diagram of spectrophotomelric assay device provided by the embodiment of the utility model；
Fig. 2 is another structural schematic diagram of spectrophotomelric assay device provided by the embodiment of the utility model.
Fig. 3 is spectrophotometric detecting method first embodiment flow diagram provided by the embodiment of the utility model；
Fig. 4 is spectrophotometric detecting method second embodiment flow diagram provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that the embodiments are a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Figure 1, Fig. 1 is a structural schematic diagram of spectrophotomelric assay device provided by the embodiment of the utility model.
As shown in Figure 1, which may include light source 100, first segment optical fiber 101, High-temperature Digestion container 102,
Two sections of optical fiber 103, the first optical receiver 104 and processor 105.Wherein, above-mentioned light source 100 passes through first segment optical fiber 101 and height
The side of warm digestion container 102 is connected.The other side of High-temperature Digestion container 102 is connect by second segment optical fiber 103 and the first light
The input terminal for receiving device 104 is connected.The output end of first optical receiver 104 is connected with processor 105.Above-mentioned light source 100 is used
In providing detection light beam for spectrophotomelric assay system.Here, above-mentioned light source 100 can be light emitting diode.Above-mentioned High-temperature Digestion
The solution to be detected that container 102 is used to load it carries out High-temperature Digestion, so that the particulate matter to suspend in solution to be detected is molten
In Xie Yu solution to be detected.Above-mentioned High-temperature Digestion container 102 has translucency, and above-mentioned High-temperature Digestion container 102 is concretely high
Temperature resolution ware.Above-mentioned first segment optical fiber 101 and second segment optical fiber 103 are used to the conduction of detection light beam.Above-mentioned first light-receiving
Device 104 is for receiving detection light beam and being converted into corresponding photosignal, above-mentioned first optical receiver 104 concretely silicon photoelectricity
Pond.The photosignal that above-mentioned processor 105 is used to obtain above-mentioned first optical receiver 104 is handled, to be detected to obtain
The relevant parameter of solution.
It in some possible embodiments, is light splitting provided by the embodiment of the utility model please also refer to Fig. 2, Fig. 2
Another structural schematic diagram of photometric detection device.As shown in Figure 2, above-mentioned spectrophotomelric assay device 10 further includes the first amplification
Device 106, third section optical fiber 107, the second optical receiver 108 and the second amplifier 109.Above-mentioned second optical receiver, 108 one end is logical
It crosses third section optical fiber 107 to be connected with above-mentioned light source 100, the other end is connected by the second amplifier 109 with processor 105.
Above-mentioned third section optical fiber 107 is used for the correction beam conduction of launching light source 100 to above-mentioned second optical receiver 108.It is above-mentioned
Second optical receiver 108 is used to receive the correction light beam that above-mentioned light source 100 is launched and is converted into corresponding photosignal.On
It states the first amplifier 106 to amplify for the photosignal that exports above-mentioned first optical receiver 104, and by amplified light
Electric signal is input to above-mentioned processor 105.Above-mentioned second amplifier 109 is used for the light exported to above-mentioned second optical receiver 108
Electric signal amplifies, and is input to above-mentioned processor 105.
In spectrophotomelric assay device 10 provided in an embodiment of the present invention, pass through first segment optical fiber 101 and second segment optical fiber
103 make light source 100 and the first optical receiver 104 without directly contact High-temperature Digestion container 102, avoid high temperature to light source
100 and 104 working performance of the first optical receiver influence.Meanwhile also passing through third section optical fiber 107 and the second optical receiver 108
Light absorbance error corrected value is introduced, to remove measurement error caused by different detection environment.Therefore, it is mentioned using the utility model
The spectrophotomelric assay device of confession can promote the detection accuracy and applicability of spectrophotomelric assay device.
In some possible embodiments, the utility model embodiment is based on above-mentioned Fig. 1 and spectrophotometric shown in Fig. 2
Detection device 10 provides a kind of spectrophotometric detecting method.Light source 100 that above-mentioned spectrophotomelric assay device 10 includes,
One section of optical fiber 101, High-temperature Digestion container 102, second segment optical fiber 103, the first optical receiver 104 and processor 105, first amplify
Device 106, third section optical fiber 107, the second optical receiver 108 and the second amplifier 109 can be used for executing Examples below one and reality
Apply relevant operation described in spectrophotometric detecting method provided by example two.
Embodiment one
Fig. 3 is referred to, Fig. 3 is a kind of first embodiment of spectrophotometric detecting method provided by the embodiment of the utility model
Flow diagram.The spectrophotometric detecting method is suitable for spectrophotomelric assay device 10 shown in FIG. 1.Above-mentioned spectrophotometric
Detection method comprising steps of
S101 is examined when High-temperature Digestion container 102 is equipped with solution to be detected based on first segment optical fiber 101 conducts first
It surveys light beam and irradiates the High-temperature Digestion container 102.
In some possible embodiments, user carries out solution to be detected using above-mentioned spectrophotomelric assay device 10
It when detection, needs to clear up the High-temperature Digestion container 102 in spectrophotomelric assay device 10, guarantees that above-mentioned High-temperature Digestion holds
102 inner clean foreign of device causes unnecessary pollution to prevent from treating detection solution.Guaranteeing High-temperature Digestion container 102
Under available mode, user can be poured into solution to be detected in above-mentioned High-temperature Digestion container 102.Then, user can start this
Spectrophotomelric assay device 10 carries out high temperature to the solution to be detected that its inside loads so that High-temperature Digestion container 102 is heated
Resolution.
After spectrophotomelric assay device 10 carries out High-temperature Digestion to solution to be detected by High-temperature Digestion container, it can control
The transmitting of light source 100 first detection light beam.Wherein, above-mentioned light source 100 can be monochromatic light source.Such as issue green light or red light
Light emitting diode.Then, the first detection that above-mentioned spectrophotomelric assay device 10 can be conducted by above-mentioned first segment optical fiber 101
Light beam irradiates above-mentioned High-temperature Digestion container 102.
S102 receives the second detection light beam conducted based on second segment optical fiber 103 by the first optical receiver 104, and raw
At the first photosignal.
In some possible embodiments, when above-mentioned first detection light beam is irradiated to above-mentioned High-temperature Digestion container 102
Behind side, due to the translucency of High-temperature Digestion container 102, the side that the first detection light beam can pass through High-temperature Digestion container 102 is shone
It is mapped to solution to be detected.Then, the second segment optical fiber 103 in spectrophotomelric assay device 10 can be from High-temperature Digestion container 102
The position that the first detection light beam through solution to be detected goes out receives the second detection light beam.Wherein, above-mentioned second detection light
Beam is the light beam that the first detection light beam is obtained by solution to be detected.Then, the first light in spectrophotomelric assay device 10 connects
Receiving device 104 can receive the second detection light beam conducted based on second segment optical fiber 103, and the second detection light beam is converted into phase therewith
Corresponding first photosignal.Here, above-mentioned first optical receiver 104 can be turned received optical signal using photoelectric effect
Change corresponding electric signal into.For example, it is assumed that above-mentioned first optical receiver 104 is a silicon photocell, when above-mentioned silicon photocell connects
When receiving the second detection light beam conducted by second segment optical fiber 103, then it can produce the light intensity phase with above-mentioned second detection light beam
Corresponding current signal or voltage signal.
S103, when above-mentioned High-temperature Digestion container 102 is equipped with pure water, the third based on the conduction of above-mentioned first segment optical fiber 101
It detects light beam and irradiates above-mentioned High-temperature Digestion container 102.
In some possible embodiments, when the first optical receiver 104 of above-mentioned spectrophotomelric assay device 10 receives
It, can will be to be checked in High-temperature Digestion container 102 in user to after the second detection light beam conducted based on above-mentioned second segment optical fiber 103
After survey solution is substituted for pure water, starting light source 100 emits third and detects light beam.Spectrophotomelric assay device 10 can be by based on upper
The third detection light beam for stating the conduction of first segment optical fiber 101 irradiates the above-mentioned High-temperature Digestion container 102 equipped with pure water.Wherein, above-mentioned
Before High-temperature Digestion container 102 in spectrophotomelric assay device 10 loads pure water, it can keep in above-mentioned High-temperature Digestion container 102
The clean foreign in portion, to prevent the absorbance detection to subsequent solution to be detected from impacting.
S104 receives the 4th detection light beam conducted based on second segment optical fiber 103 by above-mentioned first optical receiver 104,
And generate the second photosignal.
In some possible embodiments, above-mentioned spectrophotomelric assay device 10 is by being based on above-mentioned first segment optical fiber
After the thirds detection light beams of 101 conduction irradiate above-mentioned High-temperature Digestion containers 102, can by with above-mentioned 102 phase of High-temperature Digestion container
The second segment optical fiber 103 of connection detects beam conduction to above-mentioned first optical receiver 104 for the 4th.Wherein, above-mentioned 4th detection
Light beam is the light beam that above-mentioned third detects that light beam is obtained through pure water.Then, the first light in spectrophotomelric assay device 10 connects
Receiving device 104 can receive the second detection light beam conducted based on second segment optical fiber 103, and above-mentioned 4th detection light beam is converted into
Corresponding second photosignal.
S105 determines the extinction of above-mentioned solution to be detected according to above-mentioned first photosignal and above-mentioned second photosignal
Degree.
In some possible embodiments, above-mentioned spectrophotomelric assay device 10 is passing through above-mentioned first optical receiver
104 get corresponding first photosignal of above-mentioned second detection light beam and corresponding second optical telecommunications of above-mentioned 4th detection light beam
After number, above-mentioned first photosignal and the second photosignal can be input to above-mentioned processor 105.Then, above-mentioned spectrophotometric
Detection device 10 can be handled above-mentioned first photosignal and the second photosignal by above-mentioned processor 105, with determination
The absorbance of above-mentioned solution to be detected.In the specific implementation, above-mentioned spectrophotomelric assay device 10 is by processor 105 to above-mentioned the
One photosignal and the second photosignal are converted, to determine above-mentioned second corresponding first light intensity of detection light beam and above-mentioned
Corresponding second light intensity of 4th detection light beam.Then, spectrophotomelric assay equipment can be calculated according to formula L '=lg (A1/A2)
The absorbance of solution to be detected.Wherein, A1 is above-mentioned second light intensity, and A2 is above-mentioned first light intensity.
In the utility model embodiment, when High-temperature Digestion container 102 is equipped with solution to be detected, it is based on first segment optical fiber
First detection light beam of 101 conduction irradiates High-temperature Digestion container 102.It is received by the first optical receiver 104 and is based on second segment light
Second detection light beam of 103 conduction of fibre.When above-mentioned High-temperature Digestion container 102 is equipped with pure water, it is based on above-mentioned first segment optical fiber 101
The third detection light beam of conduction irradiates above-mentioned High-temperature Digestion container 102.It is received by above-mentioned first optical receiver 104 based on above-mentioned
The 4th detection light beam that second segment optical fiber 103 conducts.It is determined according to above-mentioned second detection light beam and above-mentioned 4th detection light beam
State the absorbance of solution to be detected.Make light source 100 and the first light-receiving by first segment optical fiber 101 and second segment optical fiber 103
Device 104 avoids high temperature to 104 workability of light source 100 and the first optical receiver without directly contacting High-temperature Digestion container 102
The influence of energy, can promote the detection accuracy and applicability of spectrophotometric detecting method.
Embodiment two
Fig. 4 is referred to, Fig. 4 is a kind of spectrophotometric detecting method second embodiment stream provided by the embodiment of the utility model
Journey schematic diagram.A kind of spectrophotometric detecting method provided in this embodiment is suitable for spectrophotomelric assay device 10 shown in Fig. 2.
The spectrophotometric detecting method comprising steps of
S201 is examined when High-temperature Digestion container 102 is equipped with solution to be detected based on first segment optical fiber 101 conducts first
It surveys light beam and irradiates the High-temperature Digestion container 102, the second light-receiving is irradiated based on the first correction light beam that third section optical fiber 107 conducts
Device 108.
In some possible embodiments, user carries out solution to be detected using above-mentioned spectrophotomelric assay device 10
When detection, need in advance to clear up the High-temperature Digestion container 102 in spectrophotomelric assay device 10, to guarantee above-mentioned high temperature
102 inner clean foreign of digestion container causes unnecessary pollution to prevent from treating detection solution.Guaranteeing High-temperature Digestion appearance
Device 102 is under available mode, and user can pour into solution to be detected in above-mentioned High-temperature Digestion container 102.Then, user can open
The spectrophotomelric assay device 10 is moved, so that High-temperature Digestion container 102 heats, the solution to be detected that its inside loads is carried out
High-temperature Digestion.
After spectrophotomelric assay device 10 carries out High-temperature Digestion to solution to be detected by high temperature passiveness container, it can control
The transmitting of light source 100 first detection light beam.Wherein, above-mentioned light source 100 can be monochromatic light source.Such as issue green light or red light
Light emitting diode.Optionally, above-mentioned light source 100 may include ordinary light source and monochromator.Wherein, above-mentioned ordinary light source is for producing
Continuous spectrum within the scope of raw fixed wave length.For example, tungsten lamp, iodine-tungsten lamp etc., are not construed as limiting herein.Above-mentioned monochromator is used for will be general
The continuous spectrum that light passing source is launched is decomposed into monochromatic light.For example, prism, glass 350 etc., are not construed as limiting herein.Then, above-mentioned
The first detection light beam that spectrophotomelric assay device 10 can be conducted by above-mentioned first segment optical fiber 101, which irradiates above-mentioned High-temperature Digestion, to be held
The side of device 102.At the same time, above-mentioned spectrophotomelric assay device 10 can pass through the first of the conduction of above-mentioned third section optical fiber 107
It corrects light beam and irradiates above-mentioned second optical receiver 108.It should be noted that in the utility model embodiment, above-mentioned first inspection
It surveys light beam and should ensure that the first detection light beam can completely transmitted through to be detected molten at the position that High-temperature Digestion container 102 irradiates
Liquid, so that above-mentioned first optical receiver 104 can be by above-mentioned second segment optical fiber 103 from the other side of High-temperature Digestion container 102
Completely receive the second detection light beam.
Optionally, above-mentioned third section optical fiber 107 can be for independently of the optical fiber except above-mentioned first segment optical fiber 101.Above-mentioned
A focusing block may be present between first segment optical fiber 101 and second segment optical fiber 103 and above-mentioned light source 100, be used for light source
The 100 scattering light launched are focused into light beam, to facilitate above-mentioned first segment optical fiber 101 and above-mentioned third section optical fiber 107 that can fill
The optical signal that the above-mentioned light source 100 of reception divided is launched.At this point, above-mentioned first detection light beam and above-mentioned first correction light beam can be
Two different light beams.Optionally, above-mentioned first segment optical fiber 101 and above-mentioned third section optical fiber 107 can for one section of optical fiber (hereafter with
Total optical fiber replaces description) two sections of optical fiber being divided into two, it is not construed as limiting herein.Similarly, in above-mentioned total optical fiber and above-mentioned light
A light concentrating components may be present between source 100, the light for launching light source 100 is focused into light beam, to facilitate above-mentioned first
Section optical fiber 101 and above-mentioned third section optical fiber 107 can adequately receive the optical signal that above-mentioned light source 100 is launched.At this point, above-mentioned
First detection light beam and above-mentioned first correction light beam can be discrete two light beams out of same light beam.
S202 detects light beam based on second segment optical fiber 103 conducts second by the reception of the first optical receiver 104 and generates
First photosignal receives the first correction light beam by the second optical receiver 108 and at third photosignal.
In some possible embodiments, when above-mentioned first detection light beam is irradiated to above-mentioned High-temperature Digestion container 102
Behind side, due to the translucency of High-temperature Digestion container 102, the side that the first detection light beam can pass through High-temperature Digestion container 102 is shone
It is mapped to solution to be detected.Then, the second segment optical fiber 103 in spectrophotomelric assay device 10 can be from High-temperature Digestion container 102
The position that the first detection light beam through solution to be detected goes out receives the second detection light beam.Wherein, above-mentioned second detection light
Beam is the light beam that the first detection light beam is obtained by solution to be detected.Then, the first light in spectrophotomelric assay device 10 connects
Receiving device 104 can receive the second detection light beam conducted based on second segment optical fiber 103, and the second detection light beam is converted into phase therewith
Corresponding first photosignal.Received optical signal can be converted by above-mentioned first optical receiver 104 using photoelectric effect
Corresponding electric signal.At the same time, above-mentioned spectrophotomelric assay device 10 can receive base by above-mentioned second optical receiver 108
Light beam is corrected in the first of above-mentioned third fiber optic conduction, and above-mentioned first correction light beam is converted into corresponding third light
Electric signal.Wherein, the third photosignal is for determining that light absorbance error corrected value, the light absorbance error corrected value are used for
The corresponding light intensity of the 4th detection light beam is modified.Optionally, above-mentioned first photelectric receiver and above-mentioned second light connect
Receiving device 108 all can be silicon photocell, be not construed as limiting herein.
S203, when above-mentioned High-temperature Digestion container 102 be equipped with pure water when, based on above-mentioned first segment optical fiber 101 conduction second
It detects light beam and irradiates above-mentioned High-temperature Digestion container 102, the second light is irradiated based on the second correction light beam that third section optical fiber 107 conducts
Receiver 108.
In some possible embodiments, it is passed when the first optical receiver 104 is received based on above-mentioned second segment optical fiber 103
Lead second detection light beam after, above-mentioned spectrophotomelric assay device 10 can user will be to be checked in High-temperature Digestion container 102
After survey solution is substituted for pure water, passes through above-mentioned light source 100 and emit third detection light beam.Above-mentioned spectrophotomelric assay device 10 can lead to
It crosses the third detection light beam based on the conduction of above-mentioned first segment optical fiber 101 and irradiates the above-mentioned High-temperature Digestion container 102 equipped with pure water
Side.Wherein, before the High-temperature Digestion container 102 in above-mentioned spectrophotomelric assay device 10 loads pure water, above-mentioned height can be kept
Warm 102 inner clean foreign of digestion container, to prevent from impacting subsequent absorbance detection.At the same time, above-mentioned light splitting
Photometric detection device 10 can irradiate above-mentioned second light-receiving by the second correction light beam conducted based on above-mentioned third section optical fiber 107
Device 108.Wherein, the second correction light beam is for determining light absorbance error corrected value.
S204 detects light beam based on the second segment optical fiber 103 conducts the 4th by the reception of above-mentioned first receiver and generates
Second photosignal receives the second correction light beam by the second optical receiver 108 and generates the 4th photosignal.
In some possible embodiments, above-mentioned spectrophotomelric assay device 10 is by being based on above-mentioned second segment optical fiber
After 4th detection light beams of 103 conduction irradiate above-mentioned High-temperature Digestion containers 102, can by with above-mentioned 102 phase of High-temperature Digestion container
The second segment optical fiber 103 of connection detects beam conduction to above-mentioned first optical receiver 104 for the 4th.Then, spectrophotomelric assay
The first optical receiver 104 in device 10 can receive the 4th conduct based on second segment optical fiber 103 and detect light beam, and by above-mentioned the
Four detection light beams are converted into corresponding second photosignal.Wherein, above-mentioned 4th detection light beam is the detection of above-mentioned third
Light beam penetrates the light beam that pure water obtains.At the same time, spectrophotomelric assay device 10 can also pass through above-mentioned second optical receiver 108
The the second correction light beam conducted based on above-mentioned third section optical fiber 107 is received, and above-mentioned second correction light beam is converted to phase therewith
Corresponding 4th photosignal.
S205 is modified above-mentioned second photosignal according to above-mentioned third photosignal and the 4th photosignal, and
The absorbance of solution to be detected is determined by revised second photosignal and the first photosignal.
In some possible embodiments, pass through above-mentioned first optical receiver in above-mentioned spectrophotomelric assay device 10
104 get above-mentioned first photosignal, the second photosignal, and are got by above-mentioned second optical receiver 108 above-mentioned
After third photosignal and the 4th photosignal, spectrophotomelric assay device 10 can be by above-mentioned processor 105 to above-mentioned third
Photosignal and the 4th photosignal are handled, to get light absorbance error corrected value.Then, spectrophotomelric assay device
10 can carry out error correction to above-mentioned second photosignal by above-mentioned light absorbance error corrected value, and pass through second after correction
Photosignal and above-mentioned first photosignal determine the absorbance of above-mentioned solution to be detected.
In the specific implementation, above-mentioned spectrophotomelric assay device 10 by above-mentioned first optical receiver 104 get it is above-mentioned
First photosignal, the second photosignal, and by above-mentioned second optical receiver 108 get above-mentioned third photosignal and
After 4th photosignal, spectrophotomelric assay device 10 can calculate the difference of above-mentioned third photosignal and the 4th photosignal
Value.Then, above-mentioned difference can be determined as light absorbance error corrected value by spectrophotomelric assay device 10.Here, it needs to explain
It is that since the first optical receiver 104 receives between the first detection light beam and the second detection light beam, there are a time differences, at this
In the section time difference, environment locating for spectrophotomelric assay device 10 may change, and different detection environment will lead to point
The accuracy in detection of light photometric detection device 10 changes, therefore introduces measurement error.In the present embodiment, above-mentioned first
Correction light beam is that the second optical receiver 108 is received when the first optical receiver 104 receives the second detection light beam, above-mentioned second
Correction light beam is that the second optical receiver 108 is received when the first optical receiver 104 receives the 4th detection light beam.Therefore, lead to
Cross the light absorbance error corrected value that the corresponding light intensity of above-mentioned first correction light beam and the corresponding light intensity of the second correction light beam are determined
Detection environmental change can be accurately reflected to measurement error caused by spectrophotomelric assay device 10.
Then, spectrophotomelric assay device 10 can by above-mentioned light absorbance error corrected value to above-mentioned second photosignal into
Row amendment.Specifically, spectrophotomelric assay device 10 can by above-mentioned second photosignal and above-mentioned light absorbance error corrected value it
Be determined as revised second photosignal.Then, spectrophotomelric assay device 10 can be according to preset transformation rule to upper
It states the first photosignal and revised second photosignal is handled, to obtain above-mentioned second detection light beam corresponding first
Light intensity and corresponding revised second light intensity of above-mentioned 4th detection light beam.Spectrophotomelric assay device 10 can be according to above-mentioned amendment
The second light intensity and corresponding first light intensity of above-mentioned second detection light beam afterwards calculates the absorbance of solution to be detected.Optionally,
Spectrophotomelric assay device 10 can calculate the absorbance of solution to be detected according to formula L '=l g (L1/L2).Wherein, L1 refers to
Generation is above-mentioned revised second light intensity, and what L2 was referred to is above-mentioned first light intensity.
Optionally, spectrophotomelric assay device 10, can be according to above-mentioned after the absorbance for getting above-mentioned solution to be detected
The absorbance of solution to be detected determines the concentration of above-mentioned solution to be detected.For example, spectrophotomelric assay device 10 can be according to public affairs
Formula L '=kca calculates the concentration of solution to be detected.Above-mentioned L ' is the absorbance of solution to be detected, and above-mentioned k is solution to be detected
Concentration, c is absorption coefficient, and a is the distance for detecting light beam and transmitting in solution to be detected.
Optionally, the first amplifier 106 may be present between above-mentioned first optical receiver 104 and above-mentioned processor 105.It is above-mentioned
First amplifier 106 be used for the first optical receiver 104 convert to the first photosignal or the second photosignal put
Greatly, the case where can not identifying above-mentioned first photosignal or the second photosignal to avoid processor 105 appearance.Similarly, above-mentioned
Also the second amplifier 109 may be present between second optical receiver 108 and above-mentioned processor 105, to above-mentioned third photosignal
It is amplified with the 4th photosignal.
In the utility model embodiment, is received by above-mentioned first optical receiver 104 and be based on above-mentioned second segment optical fiber 103
Second detection light beam of conduction and the 4th detection light beam.At the same time, the first correction light is received by third section optical fiber 107
Beam and two correction light beams are to determine light absorbance error corrected value.Finally according to above-mentioned light absorbance error corrected value and above-mentioned second
Detection light beam and above-mentioned 4th detection light beam determine the absorbance of above-mentioned solution to be detected.Pass through first segment optical fiber 101 and second
Section optical fiber 103 makes light source 100 and the first optical receiver 104 without directly contact High-temperature Digestion container 102, avoids high temperature pair
The influence of 104 working performance of light source 100 and the first optical receiver.Meanwhile difference is also eliminated by light absorbance error corrected value
Detect measurement error caused by environment.Therefore, using the present embodiment, the detection accuracy of spectrophotometric detecting method can be promoted and fitted
The property used.
Claims (8)
1. a kind of spectrophotomelric assay device, which is characterized in that described device includes: light source, first segment optical fiber, High-temperature Digestion appearance
Device, second segment optical fiber, the first optical receiver and processor；Wherein,
The light source is connected by the first segment optical fiber with the High-temperature Digestion container, when the High-temperature Digestion container is equipped with
When solution to be detected, light source transmitting the first detection light beam, the first detection light beam through the first segment fiber optic conduction simultaneously
Irradiate the High-temperature Digestion container；
First optical receiver is connected by the second segment optical fiber with the High-temperature Digestion container, first light-receiving
Device receives the second detection light beam based on the second segment fiber optic conduction and generates the first photosignal, wherein second inspection
Surveying light beam is that the first detection light beam penetrates the light beam that the solution to be detected obtains；
When the High-temperature Digestion container is equipped with pure water, the light source transmitting third detects light beam, the third detection light beam warp
The first segment fiber optic conduction simultaneously irradiates the High-temperature Digestion container；
First optical receiver receives the 4th detection light beam based on the second segment fiber optic conduction and generates the second optical telecommunications
Number, wherein the 4th detection light beam is that the first detection light beam penetrates the light beam that the pure water obtains；
First optical receiver is connected with the processor, and the processor is according to first photosignal and described
Two photosignals determine the absorbance of the solution to be detected.
2. the apparatus according to claim 1, which is characterized in that the processor handles first photosignal
To obtain corresponding first light intensity of the second detection light beam, second photosignal is handled to obtain the described 4th
Corresponding second light intensity of light beam is detected, and first light intensity and second light intensity are handled to obtain described to be detected molten
The absorbance of liquid.
3. the apparatus according to claim 1, which is characterized in that described device further include: third section optical fiber and the second light connect
Receive device, wherein
It is described when the High-temperature Digestion container be equipped with the solution to be detected when, second optical receiver passes through the third section
Optical fiber is connected with the light source, and the light source issues the first correction light beam, and the first correction light beam is through the third Duan Guang
Fibre conducts and irradiates second optical receiver, and second optical receiver receives the first correction light beam and generates third light
Electric signal, wherein the third photosignal is for determining that light absorbance error corrected value, the light absorbance error corrected value are used for
The corresponding light intensity of the second detection light beam is modified.
4. device according to claim 3, which is characterized in that described when the High-temperature Digestion container is equipped with the pure water
When, light source transmitting the second correction light beam, the second correction light beam is through the third section fiber optic conduction and irradiates described the
Two optical receivers, second optical receiver receive the second detection light beam and generate the 4th photosignal, wherein described the
Four photosignals are for determining the light absorbance error corrected value.
5. device according to claim 4, which is characterized in that the processor handles the third photosignal
To obtain the corresponding third light intensity of the first correction light beam, the 4th photosignal is handled to obtain described second
Corresponding 4th light intensity of light beam is corrected, and the third light intensity and the 4th light intensity are calculated to obtain the absorbance
Error correction value.
6. device according to claim 5, which is characterized in that the processor is according to the light absorbance error corrected value pair
Described 4th, which detects corresponding second light intensity of light beam, is modified, and to obtain revised second light intensity, the processor is to institute
State revised second light intensity and corresponding first light intensity of the second detection light beam calculated it is described to be detected molten to obtain
The absorbance of liquid.
7. according to the described in any item devices of claim 3 or 6, which is characterized in that described device further include the first amplifier and
Second amplifier, wherein
First optical receiver is connected by first amplifier with the processor, and first optical receiver generates
The first photosignal be input to the processor after the first amplifier enhanced processing；
Second optical receiver is connected by second amplifier with the processor, and second optical receiver generates
The second photosignal be input to the processor after the second amplifier enhanced processing.
8. device according to claim 7, which is characterized in that the light source is light emitting diode, first light-receiving
Device and second optical receiver are silicon photocell.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821252676.XU CN208752002U (en) | 2018-08-03 | 2018-08-03 | A kind of spectrophotomelric assay device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100314A (en) * | 2018-08-03 | 2018-12-28 | 江西怡杉科技有限公司 | A kind of spectrophotometric detecting method and device |
| CN111721726A (en) * | 2020-06-30 | 2020-09-29 | 广西武宣东磊矿业有限公司 | Method for determining content of ferric oxide in ore by using spectrophotometer |
-
2018
- 2018-08-03 CN CN201821252676.XU patent/CN208752002U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100314A (en) * | 2018-08-03 | 2018-12-28 | 江西怡杉科技有限公司 | A kind of spectrophotometric detecting method and device |
| CN111721726A (en) * | 2020-06-30 | 2020-09-29 | 广西武宣东磊矿业有限公司 | Method for determining content of ferric oxide in ore by using spectrophotometer |
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