CN109406488A - A kind of drug addict's method for sieving and corresponding screening system - Google Patents
A kind of drug addict's method for sieving and corresponding screening system Download PDFInfo
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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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
Abstract
The invention belongs to illicit drugs inspection technical fields, and in particular to a kind of drug addict's method for sieving and corresponding screening system.Drug addict's method for sieving includes test point data collection steps, test point location determination step, test point correction coefficient query steps, test point aligning step, Data Matching step and result output step；Drug addict's screening system includes test point data acquisition module, test point location determination module, test point correction coefficient enquiry module, test point correction module, data match module and result output module.The present invention utilizes Raman spectrum detection technique and microcomputer data processing, drugs Raman signal peak is fast and accurately detected from the hair of personnel to be detected, skin, sweat, urine, blood with can be convenient, the convenient method of live quickly screening drug addict is provided for drug law enforcement group, it is expected to substantially reduce the probability of leakage and erroneous judgement, improves the accuracy rate of drug law enforcement.
Description
Technical field
The application belongs to illicit drugs inspection technical field, and in particular to one kind is based on Raman spectrum and computer digital animation skill
The quick method for sieving of the drug addict of art and corresponding screening system.
Background technique
Addicts's detection method general at present is blood examination and urine examination, and blood examination and urine examination are by acquiring the personnel of being detected
Body fluid or secretion, then by chemical analysis means realize illicit drugs inspection a kind of reliable method.But due to sampling people
With detection Genus Homo in different departments, both methods of inspection are it is possible that sample tag error or sample mix etc. are existing
As, or even cause to judge by accident.In addition, as previously mentioned, active drug users detection method is typically all off-line type, detection cycle compared with
It is long, be not able to satisfy drug law enforcement personnel need such as railway station or business district in public quickly, precise Identification drug addict wants
It asks.
Summary of the invention
In view of this, the present invention provides a kind of drug addict's method for sieving and corresponding screening system, it is existing to solve
There is technical problem present in technology.
The present invention is the technical solution for solving its technical problem and providing are as follows:
A kind of drug addict's method for sieving is applied to portable or Handheld Raman light spectrum detecting apparatus；Portable or hand
Hold and be provided with photographic device on formula Raman spectrum detection device, in portable or Handheld Raman light spectrum detecting apparatus setting against
Banning drugs product sample database and test point correction coefficient table；It is characterized in that, drug addict's method for sieving includes following detection
Step: test point data collection steps, the location information of photographic device acquisition testing point；Test point location determination step, to next
Video analysis is carried out from the detection point data of photographic device, determines the specific location of test point；Test point correction coefficient inquiry step
Suddenly, according to the analysis of test point location determination step as a result, inquiry test point correction coefficient table, determines the detection of current detection point
Point correction coefficient Ki；Test point aligning step is corrected actual measurement Raman spectrum data using test point correction coefficient Ki, obtains
To nominal Raman spectrum detection data；Data Matching step, by nominal Raman spectrum detection data and illegal drug sample data
Sample data in library compares one by one, if a certain item in nominal Raman spectrum detection data and illegal drug sample database
Absolute value of the difference is less than systematic error △ f between data, then it is assumed that Data Matching success；If nominal Raman spectrum detection data
The successful condition of Data Matching is not satisfied with any one data in illegal drug sample database, then it is assumed that Data Matching
Failure.
Preferably, in drug addict's method for sieving provided by the invention, portable or Handheld Raman spectral detection is set
It is standby to be above additionally provided with temperature sense probe；Temperature correction facotor is additionally provided in portable or Handheld Raman light spectrum detecting apparatus
Table；Drug addict's method for sieving further includes following steps: environment temperature detecting step, and temperature sense probe detects real time temperature；
Temperature correction facotor query steps are inquired temperature correction facotor table, are obtained according to the real time temperature from environment temperature detecting step
To temperature correction facotor Ti；Temperature correction step, using temperature correction facotor Ti to actual measurement Raman spectrum data or nominal Raman
Spectral detection data carry out temperature difference correction.
Preferably, in drug addict's method for sieving provided by the invention, portable or Handheld Raman spectral detection is set
It is standby to be above additionally provided with light intensity inductive probe, light intensity correction coefficient is additionally provided in portable or Handheld Raman light spectrum detecting apparatus
Table；Drug addict's method for sieving further includes following steps: environmental light intensity detecting step, and light intensity inductive probe detects real-time light intensity；
Light intensity correction coefficient query steps are inquired light intensity correction coefficient table, are obtained according to the real-time light intensity from environmental light intensity detecting step
To light intensity correction coefficient Di；Light intensity correction step, using light intensity correction coefficient Di to actual measurement Raman spectrum data or nominal Raman
Spectral detection data carry out equation of light correction.
It preferably, further include a result output step in drug addict's method for sieving provided by the invention, it is as a result defeated
Step is used for the matching result of output data matching step out.
Preferably, in drug addict's method for sieving provided by the invention, hair is stored in test point correction coefficient table
Data correction coefficient, skin data correction coefficient, sweat Data correction coefficient, urine Data correction coefficient and blood data correction
Coefficient；Hair Data correction coefficient is for being corrected the Raman spectrum data of the human hair detected；Skin data school
Positive coefficient is for being corrected the Raman spectrum data of the human skin detected；Sweat Data correction coefficient is used for detection
To the Raman spectrum data of human sweat be corrected；Urine Data correction coefficient is for the drawing to the human urine detected
Graceful spectroscopic data is corrected；Blood data correction coefficient is for carrying out school to the Raman spectrum data of the blood of human body detected
Just.
Corresponding one by one with aforementioned various drug addict's method for sieving, the present invention also provides corresponding drug addict screenings
System, specifically:
A kind of drug addict's screening system is applied to portable or Handheld Raman light spectrum detecting apparatus；Portable or hand
Hold and be provided with photographic device on formula Raman spectrum detection device, in portable or Handheld Raman light spectrum detecting apparatus setting against
Banning drugs product sample database and test point correction coefficient table；It is characterized in that, drug addict's screening system includes following function
Module: test point data acquisition module passes through the location information of photographic device acquisition testing point；Test point location determination module,
Video analysis is carried out to the detection point data from photographic device, determines the specific location of test point；Test point correction coefficient is looked into
Module is ask, according to the analysis of test point location determination module as a result, inquiry test point correction coefficient table, determines current detection point
Test point correction coefficient Ki；Test point correction module carries out school to actual measurement Raman spectrum data using test point correction coefficient Ki
Just, nominal Raman spectrum detection data is obtained；Data match module, by nominal Raman spectrum detection data and illegal drug sample
Sample data in database compares one by one, if certain in nominal Raman spectrum detection data and illegal drug sample database
Absolute value of the difference is less than systematic error △ f between one item data, then it is assumed that Data Matching success；If nominal Raman spectrum detection
The successful condition of Data Matching is not satisfied in any one data in data and illegal drug sample database, then it is assumed that data
It fails to match.
Preferably, in drug addict's screening system provided by the invention, portable or Handheld Raman spectral detection is set
It is standby to be above additionally provided with temperature sense probe；Temperature correction facotor is additionally provided in portable or Handheld Raman light spectrum detecting apparatus
Table；Drug addict's screening system further includes following functional module: environment temperature detection module, is detected by temperature sense probe real
Shi Wendu；Temperature correction facotor enquiry module inquires temperature correction system according to the real time temperature from environment temperature detection module
Number table, obtains temperature correction facotor Ti；Temperature correction module, using temperature correction facotor Ti to actual measurement Raman spectrum data or mark
Raman spectrum detection data is claimed to carry out temperature difference correction.
Preferably, in drug addict's screening system provided by the invention, portable or Handheld Raman spectral detection is set
It is standby to be above additionally provided with light intensity inductive probe, light intensity correction coefficient is additionally provided in portable or Handheld Raman light spectrum detecting apparatus
Table；Drug addict's screening system further includes following functional module: environmental light intensity detection module, is detected by light intensity inductive probe real
Shi Guangqiang；Light intensity correction coefficient enquiry module inquires light intensity correction system according to the real-time light intensity from environmental light intensity detection module
Number table, obtains light intensity correction coefficient Di；Light intensity correction module, using light intensity correction coefficient Di to actual measurement Raman spectrum data or mark
Raman spectrum detection data is claimed to carry out equation of light correction.
It preferably, further include a result output module in drug addict's screening system provided by the invention, it is as a result defeated
Module is used for the matching result of output data matching module out.
Preferably, in drug addict's screening system provided by the invention, hair is stored in test point correction coefficient table
Data correction coefficient, skin data correction coefficient, sweat Data correction coefficient, urine Data correction coefficient and blood data correction
Coefficient；Hair Data correction coefficient is for being corrected the Raman spectrum data of the human hair detected；Skin data school
Positive coefficient is for being corrected the Raman spectrum data of the human skin detected；Sweat Data correction coefficient is used for detection
To the Raman spectrum data of human sweat be corrected；Urine Data correction coefficient is for the drawing to the human urine detected
Graceful spectroscopic data is corrected；Blood data correction coefficient is for carrying out school to the Raman spectrum data of the blood of human body detected
Just.
The present invention beneficial technical effect compared with prior art:
1, the present invention utilizes Raman spectrum detection technique and microcomputer data processing, can be convenient from hair, skin
Skin, urine, quickly detects drugs Raman signal peak in blood at sweat, provides scene for drug law enforcement group and the drug abuse stream of people is rapidly completed
The convenient method of sub-sieve is expected to substantially reduce the probability of leakage and erroneous judgement, improves drug law enforcement accuracy rate and detection efficiency.
2, the present invention can also pass through detecting steps and the corresponding function such as temperature difference correction, equation of light correction or test point correction
Energy module, reduces systematic error caused by environmental factor and test point factor, further increases the detection accuracy of instrument, reduces leakage
Sentence rate or False Rate.
To keep technical solution of the present invention and technical effect clearer, clear, below in conjunction with Figure of description and specifically
Drug addict's method for sieving disclosed by the invention and corresponding screening system is described in detail in embodiment.
Detailed description of the invention
Fig. 1: the overhaul flow chart of drug addict's method for sieving of the present invention.
Fig. 2: the functional block diagram of drug addict's screening system of the present invention.
Specific embodiment
Specific embodiment one
One, application environment explanation.Drug addict's method for sieving disclosed in this preferred embodiment and corresponding screening system
The use environment of system is that various portable in the prior art or Handheld Raman spectrum detection instrument or detection device, the present invention are main
It is to be deployed in the form of software in portable or Handheld Raman spectrum detection instrument central processing system, passes through certain number
The accuracy and detection efficiency that on-site test is improved according to processing method realize the quick and accurate screening of drug addict, reduce existing
The generation that field is failed to judge and judged by accident.Existing portable or Handheld Raman spectrum detection instrument generally comprises excitation light source, Raman fiber
Probe, filter, detector and central processing system.Excitation light source excites article such as human skin or hair to be measured for providing
The laser of hair can be excitation light source present in any prior art, it is preferable to use semiconductor laser, excitation wavelength are
785 nanometers, spectral line width is better than 2nm, and the angle of divergence is less than 3mrad.Raman fiber optic probe is mainly used for excitation light source sending
Laser is sent to article to be measured, and the Raman scattering being collected into is sent to filter；The Raman fiber optic probe that the present invention uses
It can be the Raman fiber optic probe of any a commercialization on the market, the Raman fiber optic probe used in this preferred embodiment is main
Including portions such as incident optical, bandpass filter, excitation lens, collection len, output optical fibre, notch filtering light piece and fiber optic collimator mirrors
Part, the connection relationship between the function and all parts of all parts is referring to various Raman fiber optic probes in the prior art.It crosses
Filter is mainly used for filtering out the interference signal in signal, contains influence of the Rayleigh scattering light to raman spectroscopy measurement.Detector is
Execute Raman spectrum and detect capital equipment, photomultiplier tube can be used, can also using ccd detector or Ge InGaAs
Detector uses ccd detector in this preferred embodiment.Central processing system is used to complete the processing and arbitration functions of data,
Whether to contain illegal drug in determination article to be measured.Various chips in the prior art, single-chip microcontroller or miniature can be used
Machine is as central processing system of the invention.Illegal drug sample database and test point correction are provided in central processing system
Coefficient table is stored with hair Data correction coefficient, skin data correction coefficient, sweat Data correction in test point correction coefficient table
Coefficient, urine Data correction coefficient and blood data correction coefficient；Various correction coefficient Ki are mainly used for from different detections
The Raman spectrum measured data of point carries out Data correction.
It is portable or hand-held in this preferred embodiment to reduce the systematic error that may cause by the difference of test point
It is also integrated with photographic device on formula Raman spectrum detector, photographic device can be in the prior art that any a camera is such as
Technical solution of the present invention can be completed as long as having camera function or video capability in pin type camera, obtains expected technology
Effect.
Two, testing process and corresponding system function module explanation.Please refer to Fig. 1 and Fig. 2, public affairs in this preferred embodiment
The quick method for sieving of the drug addict opened mainly includes following detecting step:
Test point data collection steps are completed by test point data acquisition module, and test point data acquisition module block instruction is taken the photograph
Test point location determination module is given as the location information of device acquisition testing point, and by collected data transmission；
Test point location determination step is completed by test point location determination module, and test point location determination module is using existing
There is Video Analysis Technology to carry out video analysis to the detection point data from photographic device, determines the specific location of test point, and
Send determining test point more specific location information to test point correction coefficient enquiry module；
Test point correction coefficient query steps are completed by test point correction coefficient enquiry module, true according to test point position
The analysis of cover half block is as a result, inquiry test point correction coefficient table, determines the test point correction coefficient Ki of current detection point；
Test point aligning step is completed by test point correction module, and test point correction module uses test point correction coefficient
Ki handles actual measurement Raman spectrum data, obtains nominal Raman spectrum detection data, completes to from different test point (hairs
Hair, skin, sweat, urine, blood) Raman spectrum measured data correction, further increase the detection accuracy of pulp classifier, drop
The probability that low drain is sentenced or judged by accident；
Data Matching step, is completed by data match module, data match module by nominal Raman spectrum detection data and
Sample data in illegal drug sample database is done to be compared one by one: if nominal Raman spectrum detection data and illegal drug sample
Absolute value of the difference is less than systematic error △ f between a certain item data in database, then it is assumed that Data Matching success；If mark
Raman spectrum detection data is claimed with any one data in illegal drug sample database Data Matching to be not satisfied successful
Condition, then it is assumed that Data Matching failure.Data match module can complete data using the various prior arts in the prior art
Matching feature, can compare one by one, more efficient algorithm such as dichotomy scheduling algorithm also can be used.
As a result step is exported, is completed by result output module, as a result output module receives the data of data match module
With as a result, and Data Matching result is exported in the form of intuitive.If nominal Raman spectrum data and illegal drug sample number
It is less than systematic error △ f according to absolute value of the difference between a certain item data in library, then it is assumed that as a result Data Matching success exports mould
The information that block is involved in drug traffic to display screen or warning device output current detection object, can be YES signal or alarm；If nominal
The successful condition of Data Matching is not satisfied in any one data in Raman spectrum data and illegal drug sample database, then
Think that Data Matching fails, the information that as a result output module is not involved in drug traffic to display screen or warning device output current detection object,
For example it can be NO signal or a Duan Yinle.
Specific embodiment two
Based on specific embodiment one, this preferred embodiment is integrated on portable or Handheld Raman spectrum detection instrument
Temperature sense probe, temperature sense probe are used to detect the real time temperature at detection scene, may be made with reducing different detection temperature
At systematic error.It can be using various temperature sensors existing in the prior art as the temperature sense in this preferred embodiment
It should pop one's head in.Meanwhile temperature correction system is also added in portable or Handheld Raman spectrum detection instrument central processing system
Table is counted, is stored with the temperature correction facotor Ti in certain temperature range in temperature correction facotor table, temperature range can be set
It is -20 DEG C -40 DEG C.The temperature difference correction to actual measurement Raman spectrum data is completed by certain flow chart of data processing.Temperature difference correction
Detecting step and corresponding system function module include:
Environment temperature detecting step is completed by environment temperature detection module, and environment temperature detection module passes through temperature sense
The real time temperature at probe detection detection scene；
Temperature correction facotor query steps are completed by temperature correction facotor enquiry module, temperature correction facotor enquiry module
According to the real time temperature from environment temperature detection module, temperature correction facotor table is inquired, current temperature correction facotor is obtained
Ti；
Temperature correction step is completed by temperature correction module, and temperature correction module is using temperature correction facotor Ti to actual measurement
Raman spectrum data or the nominal Raman spectrum detection data for putting aligning step after testing carry out temperature difference correction.
It should be noted that temperature correction step can be set before test point data collection steps, also can be set
Between test point aligning step and data matching step.If be arranged before test point data collection steps, temperature correction
The data of step process are actual measurement Raman spectrum data, if be arranged between test point aligning step and data matching step,
Then the data of temperature correction step process are to put the nominal Raman spectrum detection data of aligning step after testing.
Specific embodiment three
Based on specific embodiment one, this preferred embodiment is integrated on portable or Handheld Raman spectrum detection instrument
Light intensity inductive probe, light intensity inductive probe are used to detect the real-time luminous intensity at detection scene, can use and exist in the prior art
Various light sensors as the light intensity inductive probe in this preferred embodiment.Meanwhile in portable or Handheld Raman light
Light intensity correction coefficient table is also added in the central processing system of spectrometer, is stored in light intensity correction coefficient table in certain light
Light intensity correction coefficient Di in strong range.It is completed by certain flow chart of data processing to actual measurement Raman spectrum data or nominal drawing
The equation of light of graceful spectral detection data corrects.The equation of light correction detecting step and corresponding system function module include:
Environmental light intensity detecting step is completed by environmental light intensity detection module, detects real-time light intensity by light intensity inductive probe；
Light intensity correction coefficient query steps are completed by light intensity correction coefficient enquiry module, are detected according to from environmental light intensity
The real-time light intensity of step inquires light intensity correction coefficient table, obtains light intensity correction coefficient Di；
Light intensity correction step is completed by light intensity correction module, using light intensity correction coefficient Di to actual measurement Raman spectrum data
Or the nominal Raman spectrum detection data progress light intensity correction of aligning step is put after testing.
It should be noted that light intensity correction step can be set before test point data collection steps, also can be set
Between test point aligning step and data matching step.If be arranged before test point data collection steps, light intensity correction
The data of step process are actual measurement Raman spectrum data, if be arranged between test point aligning step and data matching step,
Then the data of temperature correction step process are to put the nominal Raman spectrum detection data of aligning step after testing.
Existing portable or Handheld Raman spectrum detection instrument with drug addict on site when being sieved, detection error
Essentially consist in environmental factor and test point factor.Environmental factor mainly includes temperature and light intensity, test point factor be primarily referred to as because
The difference of test point and caused by error, test point mainly includes hair, skin, sweat, urine and blood etc..To improve just
The detection accuracy of formula or Handheld Raman spectrum detection instrument when with enforcing the drug law on site is taken, it is several to reduce the generation failed to judge or judged by accident
Rate is exclusively used in drug law enforcement the scene quickly method for sieving of screening drug addict and corresponding screening system the present invention provides a kind of
System, can be quickly and accurately from hair, skin, sweat using drug addict's method for sieving provided by the invention and screening system
Liquid, urine quickly detect drugs Raman signal peak in blood, advantageously reduce the probability of leakage and erroneous judgement, improve drug law enforcement accuracy rate
And detection efficiency.Experiment based on SD rat shows the drug addict's method for sieving provided using this preferred embodiment and phase
The screening system answered quickly and accurately quickly can detect poison from the hair of living body, skin, sweat, urine or blood
The Raman signal peak of product provides the convenient method of the live quickly screening drug abuse stream of people for drug law enforcement group, is expected to substantially reduce leakage
The probability caught and judged by accident improves the accuracy rate of drug law enforcement.
Test point aligning step and corresponding test point correction module, temperature correction step and corresponding temperature correction
Module, light intensity correction step and corresponding light intensity correction module can take into account efficiency and precision and use different correction sides
Method, such as with Raman spectrum data multiplied by current test point correction coefficient Ki, temperature correction facotor Ti and light intensity correction coefficient
Di can also such as use fitting of a polynomial scheduling algorithm to realize testing number using algorithm more sophisticated and accurate in the prior art
According to correction.
Figure of description is combined to elaborate the preferred embodiment of the present invention above, it should explanation, this
The protection scope of invention includes but is not limited to above-described embodiment；Specific structure disclosed in Figure of description is also of the invention
Preferred embodiment, the technical staff in the field can also develop other embodiments on this basis, any not depart from
The simple deformation or equivalent replacement of innovative idea of the present invention, are covered by the present invention, belong to the scope of protection of the present invention.
Claims (10)
1. a kind of drug addict's method for sieving is applied to portable or Handheld Raman light spectrum detecting apparatus；
Photographic device, described portable or Handheld Raman are provided on described portable or Handheld Raman light spectrum detecting apparatus
Illegal drug sample database and test point correction coefficient table are provided in light spectrum detecting apparatus；
It is characterized in that, drug addict's method for sieving includes following detecting step:
Test point data collection steps, the location information of the photographic device acquisition testing point；
Test point location determination step carries out video analysis to the detection point data from the photographic device, determines test point
Specific location；
Test point correction coefficient query steps, according to the analysis of the test point location determination step as a result, inquiring the detection
Point correction coefficient table, determines the test point correction coefficient Ki of current detection point；
Test point aligning step is corrected actual measurement Raman spectrum data using test point correction coefficient Ki, is nominally drawn
Graceful spectral detection data；
Data Matching step is right one by one by the sample data in nominal Raman spectrum detection data and illegal drug sample database
Than if nominally absolute value of the difference is small between a certain item data in Raman spectrum detection data and illegal drug sample database
In systematic error △ f, then it is assumed that Data Matching success；If nominal Raman spectrum detection data and illegal drug sample database
The successful condition of Data Matching is not satisfied in interior any one data, then it is assumed that Data Matching failure.
2. drug addict's method for sieving according to claim 1, it is characterised in that: described portable or Handheld Raman light
Temperature sense probe is additionally provided on spectrum detection device；It is additionally provided in described portable or Handheld Raman light spectrum detecting apparatus
Temperature correction facotor table；Drug addict's method for sieving further includes following steps:
Environment temperature detecting step, the temperature sense probe detect real time temperature；
Temperature correction facotor query steps inquire the temperature correction according to the real time temperature from environment temperature detecting step
Coefficient table obtains temperature correction facotor Ti；
Temperature correction step, using temperature correction facotor Ti to actual measurement Raman spectrum data or nominal Raman spectrum detection data into
Row temperature difference correction.
3. drug addict's method for sieving according to claim 1, it is characterised in that: described portable or Handheld Raman light
It is additionally provided with light intensity inductive probe on spectrum detection device, is additionally provided in described portable or Handheld Raman light spectrum detecting apparatus
Light intensity correction coefficient table；Drug addict's method for sieving further includes following steps:
Environmental light intensity detecting step, the light intensity inductive probe detect real-time light intensity；
Light intensity correction coefficient query steps inquire the light intensity correction according to the real-time light intensity from environmental light intensity detecting step
Coefficient table obtains light intensity correction coefficient Di；
Light intensity correction step, using light intensity correction coefficient Di to actual measurement Raman spectrum data or nominal Raman spectrum detection data into
The correction of the row equation of light.
4. drug addict's method for sieving described in any one of -3 claims according to claim 1, it is characterised in that: the drug abuse
Personnel's method for sieving further includes result output step, and the result output step is used to export of the Data Matching step
With result.
5. drug addict's method for sieving described in any one of -3 claims according to claim 1, it is characterised in that: the inspection
Hair Data correction coefficient, skin data correction coefficient, sweat Data correction coefficient, urine are stored in measuring point correction coefficient table
Data correction coefficient and blood data correction coefficient；The hair Data correction coefficient is for the drawing to the human hair detected
Graceful spectroscopic data is corrected；The skin data correction coefficient be used for the Raman spectrum data of the human skin detected into
Row correction；The sweat Data correction coefficient is for being corrected the Raman spectrum data of the human sweat detected；It is described
Urine Data correction coefficient is for being corrected the Raman spectrum data of the human urine detected；The blood data correction
Coefficient is for being corrected the Raman spectrum data of the blood of human body detected.
6. a kind of drug addict's screening system is applied to portable or Handheld Raman light spectrum detecting apparatus；
Photographic device, described portable or Handheld Raman are provided on described portable or Handheld Raman light spectrum detecting apparatus
Illegal drug sample database and test point correction coefficient table are provided in light spectrum detecting apparatus；
It is characterized in that, drug addict's screening system includes following functional module:
Test point data acquisition module passes through the location information of the photographic device acquisition testing point；
Test point location determination module carries out video analysis to the detection point data from the photographic device, determines test point
Specific location；
Test point correction coefficient enquiry module, according to the analysis of the test point location determination module as a result, inquiring the detection
Point correction coefficient table, determines the test point correction coefficient Ki of current detection point；
Test point correction module is corrected actual measurement Raman spectrum data using test point correction coefficient Ki, is nominally drawn
Graceful spectral detection data；
Data match module, the sample data in nominal Raman spectrum detection data and illegal drug sample database is right one by one
Than if nominally absolute value of the difference is small between a certain item data in Raman spectrum detection data and illegal drug sample database
In systematic error △ f, then it is assumed that Data Matching success；If nominal Raman spectrum detection data and illegal drug sample database
The successful condition of Data Matching is not satisfied in interior any one data, then it is assumed that Data Matching failure.
7. drug addict's screening system according to claim 6, it is characterised in that: described portable or Handheld Raman light
Temperature sense probe is additionally provided on spectrum detection device；It is additionally provided in described portable or Handheld Raman light spectrum detecting apparatus
Temperature correction facotor table；Drug addict's screening system further includes following functional module:
Environment temperature detection module detects real time temperature by the temperature sense probe；
Temperature correction facotor enquiry module inquires the temperature correction according to the real time temperature from environment temperature detection module
Coefficient table obtains temperature correction facotor Ti；
Temperature correction module, using temperature correction facotor Ti to actual measurement Raman spectrum data or the nominal Raman spectrum testing number
According to progress temperature difference correction.
8. drug addict's screening system according to claim 6, it is characterised in that: described portable or Handheld Raman light
It is additionally provided with light intensity inductive probe on spectrum detection device, is additionally provided in described portable or Handheld Raman light spectrum detecting apparatus
Light intensity correction coefficient table；Drug addict's screening system further includes following functional module:
Environmental light intensity detection module detects real-time light intensity by the light intensity inductive probe；
Light intensity correction coefficient enquiry module inquires the light intensity correction according to the real-time light intensity from environmental light intensity detection module
Coefficient table obtains light intensity correction coefficient Di；
Light intensity correction module, using light intensity correction coefficient Di to actual measurement Raman spectrum data or nominal Raman spectrum detection data into
The correction of the row equation of light.
9. according to drug addict's screening system described in any one of claim 6-8 claim, it is characterised in that: the drug abuse
Personnel's screening system further includes result output module, and the result output module is used to export the matching of the data match module
As a result.
10. according to drug addict's screening system described in any one of claim 6-8 claim, it is characterised in that: described
Hair Data correction coefficient, skin data correction coefficient, sweat Data correction coefficient, urine are stored in test point correction coefficient table
Liquid Data correction coefficient and blood data correction coefficient；The hair Data correction coefficient is used for the human hair detected
Raman spectrum data is corrected；The skin data correction coefficient is for the Raman spectrum data to the human skin detected
It is corrected；The sweat Data correction coefficient is for being corrected the Raman spectrum data of the human sweat detected；Institute
Urine Data correction coefficient is stated for being corrected to the Raman spectrum data of the human urine detected；The blood data school
Positive coefficient is for being corrected the Raman spectrum data of the blood of human body detected.
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| CN117158909A (en) * | 2023-08-29 | 2023-12-05 | 北京索斯克科技开发有限公司 | Detection method and medium for contraband after absorption |
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| CN117158909A (en) * | 2023-08-29 | 2023-12-05 | 北京索斯克科技开发有限公司 | Detection method and medium for contraband after absorption |
| CN117158909B (en) * | 2023-08-29 | 2024-03-01 | 北京索斯克科技开发有限公司 | Detection method and medium for contraband after absorption |
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