CN207457107U - A kind of segmented model spectrum tacheometer device - Google Patents
A kind of segmented model spectrum tacheometer device Download PDFInfo
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- CN207457107U CN207457107U CN201721541186.7U CN201721541186U CN207457107U CN 207457107 U CN207457107 U CN 207457107U CN 201721541186 U CN201721541186 U CN 201721541186U CN 207457107 U CN207457107 U CN 207457107U
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- instrument shell
- near infrared
- spectrometer
- tacheometer
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Abstract
The utility model is related to agricultural product quality and safety rapid detection technical fields, and in particular to a kind of segmented model spectrum tacheometer device, mainly including Instrument shell, near infrared spectrometer, Xray fluorescence spectrometer, control and data handling system and display.Near infrared spectrometer and Xray fluorescence spectrometer are respectively positioned on the top inside Instrument shell, the sample data collection terminal of near infrared spectrometer and Xray fluorescence spectrometer outside Instrument shell with being connected, control is located at data handling system inside Instrument shell, and display is fixed on the outer wall of Instrument shell；It is electrically connected between near infrared spectrometer, Xray fluorescence spectrometer, stepper motor, power switch, display and control and data handling system.The utility model can realize the quick segmentation detection of heavy metal content in soil, without individually measuring soil moisture content, can greatly improve work efficiency and effectively improve the accuracy in detection of heavy metal content in soil.
Description
Technical field
The utility model is related to agricultural product quality and safety rapid detection technical field more particularly to a kind of segmented model spectrum
Tacheometer device.
Background technology
Heavy metal is one of main harmful substance in soil.Heavy Metal Pollution is lasting, in a short time will not pushing away because of the time
It moves and reduces, and can step by step be accumulated with the transmission of food chain, ultimately result in the mankind in food chain top and occur respectively
Kind difficult and complicated cases or even threat to life.Therefore, quantitative detection is carried out to heavy metal-polluted soil to be contributed in monitoring environmental quality, refers to
Lead farming, improvement farm environment is of great significance.
In existing heavy metal detection method, the large-scale instruments such as atomic absorption spectrum, atomic emission spectrum institute construction method
Accurate quantitative analysis measure can be carried out to heavy metals in soil content, but since equipment instrument is huge, complicated for operation, of high cost
Many reasons such as high, harsh to environmental requirement, are difficult to farm environment field monitoring.In recent years, based on X-ray fluorescence spectra
The small-sized heavy metal-polluted soil detector of technology comes out, and makes it possible farm environment field monitoring.
However, the farm environment numerous and complicated in reality, water content is irregular, and water content can seriously affect X-ray
Quantitative detection of the fluorescence spectrum to heavy metal-polluted soil.Existing solution is that acquired pedotheque is dried processing,
Heavy metal-polluted soil quantitative determination is carried out to it with Xray fluorescence spectrometer again.Existing solution not only complex steps, Er Qie
The original idea of the fast slowdown monitoring in farm environment scene is run counter to a certain extent.
It can be seen that develop collection moisture determination and heavy metal-polluted soil quickly measure the rapid detection apparatus that are combined into one into
For urgent problem to be solved.
Utility model content
(1) technical problems to be solved
The purpose of this utility model is to provide a kind of segmented model spectrum tacheometer devices, it is intended to solve native in the prior art
It is live quick that earth heavy metal analysis instrument is difficult to overcome the heavy metal-polluted soil caused by different soils sample moisture content difference to be difficult to
The problem of detection.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of segmented model spectrum tacheometer device, including instrument
Device housing, near infrared spectrometer, Xray fluorescence spectrometer, control and data handling system and display, the near infrared spectrum
Instrument and the Xray fluorescence spectrometer are respectively positioned on the top inside the Instrument shell, and the near infrared spectrometer and the X are penetrated
The sample data collection terminal of line Fluorescence Spectrometer is connected with outside the Instrument shell, the control and data handling system
Inside the Instrument shell, the display is fixed on the outer wall of the Instrument shell；The near infrared spectrometer, institute
Xray fluorescence spectrometer, the display and the control are stated with being electrically connected between data handling system.
In one embodiment, device for transferring samples, the sample transmission dress are additionally provided with above the Instrument shell
It puts corresponding with the sample data collection terminal of the near infrared spectrometer, the Xray fluorescence spectrometer.
In one embodiment, the device for transferring samples includes turntable and for driving the turntable rotation
Stepper motor, the stepper motor are electrically connected with the control with data handling system.
In one embodiment, offer to place the specimen cup location hole of fixed specimen cup on the turntable,
The position of the specimen cup location hole and the near infrared spectrometer, the sample data collection terminal of the Xray fluorescence spectrometer
Position it is corresponding, the diameter of the specimen cup location hole is adapted with the diameter of the specimen cup bottom.
In one embodiment, the specimen cup location hole is stepped hole, the aperture of the stepped hole from the bottom to top by
Gradual change is big.
In one embodiment, the stepped hole from the bottom to top be respectively the first stepped hole and the second stepped hole, it is described
The aperture of first stepped hole is less than the diameter of the specimen cup bottom, and the inner wall of second stepped hole is outer with the specimen cup
Side wall is in contact and is adapted.
In one embodiment, the Instrument shell is internally provided with radiator.
In one embodiment, the side of the Instrument shell and/or bottom surface offer heat emission hole.
In one embodiment, the bottom of the Instrument shell is provided with balanced spiral, the quantity of the balanced spiral
For four, four balanced spirals are separately positioned at four base angles of the Instrument shell bottom.
In one embodiment, power switch, the power switch and the control are provided on the Instrument shell
It is electrically connected with data handling system.
(3) advantageous effect
Compared with prior art, the above-mentioned technical proposal of the utility model has the advantages that：The utility model carries
A kind of segmented model spectrum tacheometer device supplied, near infrared spectrometer and Xray fluorescence spectrometer are integrated in a device.
In use, pedotheque near infrared spectrometer is first scanned near infrared spectrum data, by built-in model to soil moisture content
Predicted, so pedotheque is divided by water content it is different classes of, then by Xray fluorescence spectrometer to pedotheque
Gather X-ray fluorescence spectra.It according to soil moisture content, is segmented and data is handled, call suitable regression equation to soil
Heavy metal carries out assay, realizes the quick segmentation detection of heavy metal content in soil, without individually measuring soil moisture content,
Overcome the soil weight in the prior art existing for heavy metal-polluted soil detecting instrument caused by different soils sample moisture content difference
Metal is difficult to the problem of field quick detection, can greatly improve work efficiency and effectively improve the detection standard of heavy metal content in soil
Exactness.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment segmented model spectrum tacheometer device；
Fig. 2 is the top view of the utility model embodiment segmented model spectrum tacheometer device；
Fig. 3 is the data processing principle figure of the utility model embodiment segmented model spectrum tacheometer device；
Wherein, 1- near infrared spectrometers；2-X ray fluorescence spectrometers；3- is controlled and data handling system；4- power supplys are opened
It closes；5- radiators；51- heat emission holes；6- balanced spirals；7- displays；8- turntables；81- near infrared spectrometer anchor points；82-
Specimen cup location hole；83-X ray fluorescence spectrometer anchor points；9- specimen cups；10- stepper motors.
Specific embodiment
The embodiment of the utility model is described in further detail with reference to the accompanying drawings and examples.Following embodiment
For illustrating the utility model, but cannot be used for limiting the scope of the utility model.
In the description of the utility model, unless otherwise indicated, " multiple " are meant that two or more；It is unless another
It is described, the meaning of " nick shaped " is the shape in addition to section is concordant.Term " on ", " under ", "left", "right", " interior ", " outer ",
The orientation or position relationship of the instructions such as " front end ", " rear end ", " head ", " afterbody " are to be closed based on orientation shown in the drawings or position
System is for only for ease of description the utility model and simplifies description rather than instruction or imply that signified device or element are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition,
Term " first ", " second ", " the 3rd " etc. are only used for description purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary.
For the ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing depending on concrete condition
Justice.
Referring to shown in Fig. 1 to Fig. 2, the utility model provides a kind of segmented model spectrum tacheometer device, including instrument shell
Body, near infrared spectrometer 1, Xray fluorescence spectrometer 2, control and data handling system 3 and display 7, near infrared spectrometer 1
The top inside Instrument shell is respectively positioned on Xray fluorescence spectrometer 2, near infrared spectrometer 1 and Xray fluorescence spectrometer 2
With being connected outside Instrument shell, control is located at data handling system 3 inside Instrument shell sample data collection terminal, shows
Device 7 is fixed on the outer wall of Instrument shell；Near infrared spectrometer 1, Xray fluorescence spectrometer 2, display 7 and control and data
It is electrically connected between processing system 3；Power switch 4, power switch 4 and control and data handling system 3 are provided on Instrument shell
Electrical connection.
Further, device for transferring samples, device for transferring samples and near infrared spectrometer are additionally provided with above Instrument shell
1st, the sample data collection terminal of Xray fluorescence spectrometer 2 is corresponding.
Specifically, device for transferring samples includes turntable 8 and for driving the stepper motor 10 that turntable 8 rotates, stepping
Motor 10 is electrically connected with data handling system 3.It is driven by stepper motor 10, realizes the steady transmission of sample.
Further, offer to place the specimen cup location hole 82 of fixed specimen cup 9 on turntable 8, specimen cup is fixed
The position in position hole 82 is corresponding with the position of near infrared spectrometer 1, the sample data collection terminal of Xray fluorescence spectrometer 2, sample
The diameter of cup location hole 82 is adapted with the diameter of 9 bottom of specimen cup.9 bottom surface of specimen cup is penetrated using permissible near infrared ray and X
Line by material be made.
Further, specimen cup location hole 82 is stepped hole, and the aperture of stepped hole becomes larger from the bottom to top.
Specifically, stepped hole is respectively the first stepped hole and the second stepped hole from the bottom to top, the aperture of the first stepped hole is small
Diameter in 9 bottom of specimen cup, the inner wall of the second stepped hole are in contact with the lateral wall of specimen cup 9.By setting stepped hole, make
Specimen cup location hole 82 is obtained after fixed specimen cup 9 is placed, the upper side of the bottom of specimen cup 9 and the first stepped hole connects
It touches, the bottom for avoiding specimen cup 9 mutually rubs with Instrument shell, further ensures the steady transmission of sample, improves detection
Accuracy.
Further, in order to enhance the air flow inside Instrument shell, the hot-air for making it internal discharges housing as early as possible,
The temperature of working environment is controlled, Instrument shell is internally provided with radiator 5, and the side and/or bottom surface of Instrument shell offer scattered
Hot hole 51.
Further, it is adjusted for the ease of the levelness to detecting instrument, the bottom of Instrument shell is provided with balance
Spiral 6, the quantity of balanced spiral 6 is four, and four balanced spirals 6 are separately positioned at four base angles of Instrument shell bottom.
Referring to described in Fig. 3, a kind of segmented model spectrum tacheometer device in the present embodiment during work, turns on the power switch
4, instrument power source is connected, rechargeable battery or external voltage stabilizing AC power may be selected in instrument power source；After powering on, near infrared light
Spectrometer anchor point 81, Xray fluorescence spectrometer anchor point 83 place near infrared spectrum reference plate, X-ray fluorescence spectra ginseng respectively
And than plate or by the preset near infrared spectrum reference plate of 8 lower section difference of turntable, X-ray fluorescence spectra reference plate rotate near red
External spectrum instrument anchor point 81, Xray fluorescence spectrometer anchor point 83 gather near infrared spectrum, X-ray fluorescence spectra reference respectively
Data；Then, pedotheque is placed in specimen cup 9, the specimen cup 9 for being loaded with pedotheque is fixed on specimen cup location hole 82
At interior and rotation to 81 position of near infrared spectrometer anchor point, the near infrared spectrum data of sample is gathered, by built in instrument
Prediction of Soil Water Content model based near infrared spectrum data carries out moisture prediction to pedotheque to be measured, obtains to be measured
The specimen cup 9 for being loaded with pedotheque is fixed in specimen cup location hole 82 and rotates to X by pedotheque moisture predicted value
At 83 position of ray fluorescence spectrometer anchor point, pedotheque X-ray fluorescence spectra data are gathered；Finally, according near infrared light
Spectrometer 1 surveys pedotheque moisture predicted value, selects different X-ray fluorescence spectra regression equations to heavy metal in soil
Constituent content is predicted.
Specifically, shown in Figure 3, abscissa is a kind of segmented model spectrum tacheometer device of the utility model according to it
Preset soil water content model is to the predicted value of sample to be tested water content in middle near infrared spectrometer.Wherein, sample 1, sample
2nd, sample 3 is three pedotheques to be measured.From abscissa as it can be seen that 1 water content prediction result of sample fall [a, b) in section, table
Bright sample 1 is low water content pedotheque；2 water content prediction result of sample fall [b, c) in section, show that sample 2 contains in being
Water pedotheque；3 water content prediction result of sample falls in [c, d] section, and it is high-moisture soil sample to show sample 3.
It differs greatly for water content in soil sample, in different moisture content section for Xray fluorescence spectrometer detection soil
The regression model of content of beary metal in earth, using segmentation modeling method, i.e., for water content [a, b) in section, establish based on X
The regression equation of ray fluorescence spectrometer detection heavy metal in soil content is y=a1x+b1, i.e. regression equation 1；For water content
[b, c) in section, it is y=a to establish the regression equation based on Xray fluorescence spectrometer detection heavy metal in soil content2x+
b2, i.e. regression equation 2；For water content [c, d) in section, establish based on a huge sum of money in Xray fluorescence spectrometer detection soil
The regression equation for belonging to content is y=a3x+b3, i.e. regression equation 3.The utility model research show segmentation establish regression equation compared with
The prediction accuracy higher for establishing regression equation is not segmented.
For sample 1, using 1 (y=a of regression equation1x+b1) prediction, acquired results are predicted value 1；For sample 2, adopt
With 2 (y=a of regression equation2x+b2) prediction, acquired results are predicted value 2；For sample 3, using 3 (y=a of regression equation3x+
b3) prediction, acquired results are predicted value 3.
As a comparison, use conventional methods, ignore the influence of water content in soil sample, then establish based on x-ray fluorescence
The regression equation of spectrometer detection heavy metal in soil content is y=a4x+b4, i.e. regression equation 4.If using regression equation 4
The content of beary metal of sample 1, sample 2, sample 3 is predicted, respectively obtains predicted value 1 ', predicted value 2 ', predicted value 3 '.Such as
Shown in attached drawing 3, ignore water content in soil sample influence regression equation obtained by predicted value 1 ', predicted value 2 ', predicted value 3 ' and
Using according near infrared spectrometer predict water content in soil sample and using piecewise regression equation predicted value 1, predicted value
2nd, predicted value 3 has centainly from difference.
Related research according to the present utility model shows that segmentation is established regression equation and is less segmented and establishes the pre- of regression equation
Survey accuracy higher, that is, segmentation establish regression equation prediction result and true value it is more close.
It can be seen that integrate near infrared spectrometer, X-ray glimmering for a kind of segmented model spectrum tacheometer device of the utility model
Photothermal spectroscopic analyzer according to soil moisture content, is segmented and data is handled, and suitable regression equation is called to carry out heavy metal-polluted soil
Assay can greatly improve work efficiency and effectively improve the accuracy in detection of heavy metal content in soil, really realize soil
The field quick detection of sample contents of heavy metal elements.
A kind of segmented model spectrum tacheometer device provided by the utility model, by near infrared spectrometer and x-ray fluorescence light
Spectrometer is integrated in a device；In use, pedotheque near infrared spectrometer first is scanned near infrared spectrum data, pass through
Built-in model predicts soil moisture content, and then pedotheque is divided by water content different classes of, then passes through X-ray
Fluorescence Spectrometer according to soil moisture content, is segmented and data is handled, call to collecting soil sample X-ray fluorescence spectra
Suitable regression equation carries out assay to heavy metal-polluted soil, realizes the quick segmentation detection of heavy metal content in soil, nothing
Soil moisture content need to be individually measured, overcomes in the prior art that different soils sample is aqueous existing for heavy metal-polluted soil detecting instrument
The problem of heavy metal-polluted soil caused by amount difference is difficult to field quick detection, greatly improves work efficiency and effectively improves soil
The accuracy in detection of content of beary metal.
The embodiment of the utility model in order to example and description for the sake of and provide, and be not exhaustively or will
The utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art
See.Selection and description embodiment are to more preferably illustrate the principle and practical application of the utility model, and make this field
Those of ordinary skill it will be appreciated that the utility model so as to designing the various embodiments with various modifications suitable for special-purpose.
Claims (10)
1. a kind of segmented model spectrum tacheometer device, which is characterized in that including Instrument shell, near infrared spectrometer (1), X-ray
Fluorescence Spectrometer (2), control and data handling system (3) and display (7), the near infrared spectrometer (1) and the X-ray
Fluorescence Spectrometer (2) is respectively positioned on the top inside the Instrument shell, the near infrared spectrometer (1) and the x-ray fluorescence
The sample data collection terminal of spectrometer (2) is connected with outside the Instrument shell, the control and data handling system (3)
Inside the Instrument shell, the display (7) is fixed on the outer wall of the Instrument shell；The near infrared spectrometer
(1), it is electrically connected between the Xray fluorescence spectrometer (2), the display (7) and the control and data handling system (3)
It connects.
2. segmented model spectrum tacheometer device according to claim 1, which is characterized in that also set above the Instrument shell
It is equipped with device for transferring samples, the device for transferring samples and the near infrared spectrometer (1), the Xray fluorescence spectrometer (2)
Sample data collection terminal it is corresponding.
3. segmented model spectrum tacheometer device according to claim 2, which is characterized in that the device for transferring samples includes
Turntable (8) and the stepper motor (10) for driving the turntable (8) rotation, the stepper motor (10) and the control
It is electrically connected with data handling system (3).
4. segmented model spectrum tacheometer device according to claim 3, which is characterized in that opened up on the turntable (8)
Have a specimen cup location hole (82) for placing fixed specimen cup (9), the position of the specimen cup location hole (82) with it is described near
Infrared spectrometer (1), the Xray fluorescence spectrometer (2) sample data collection terminal position it is corresponding, the specimen cup is determined
The diameter in position hole (82) is adapted with the diameter of the specimen cup (9) bottom.
5. segmented model spectrum tacheometer device according to claim 4, which is characterized in that the specimen cup location hole (82)
For stepped hole, the aperture of the stepped hole becomes larger from the bottom to top.
6. segmented model spectrum tacheometer device according to claim 5, which is characterized in that the stepped hole divides from the bottom to top
Not Wei the first stepped hole and the second stepped hole, the aperture of first stepped hole is less than the diameter of the specimen cup (9) bottom, institute
The inner wall for stating the second stepped hole is in contact and is adapted with the lateral wall of the specimen cup (9).
7. segmented model spectrum tacheometer device according to claim 3, which is characterized in that set inside the Instrument shell
There is radiator (5).
8. segmented model spectrum tacheometer device according to claim 7, which is characterized in that the side of the Instrument shell
And/or bottom surface offers heat emission hole (51).
9. segmented model spectrum tacheometer device according to claim 8, which is characterized in that the bottom of the Instrument shell is set
Balanced spiral (6) is equipped with, the quantity of the balanced spiral (6) is four, and four balanced spirals (6) are separately positioned on described
At four base angles of Instrument shell bottom.
10. segmented model spectrum tacheometer device according to claim 8, which is characterized in that set on the Instrument shell
There is power switch (4), the power switch (4) is electrically connected with the control with data handling system (3).
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| CN201721541186.7U CN207457107U (en) | 2017-11-17 | 2017-11-17 | A kind of segmented model spectrum tacheometer device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721541186.7U CN207457107U (en) | 2017-11-17 | 2017-11-17 | A kind of segmented model spectrum tacheometer device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211835A (en) * | 2018-10-11 | 2019-01-15 | 南京大学（溧水）生态环境研究院 | A kind of rubbish from cooking rapid identification method based on spectral technique |
| CN110530914A (en) * | 2019-09-26 | 2019-12-03 | 北京农业质量标准与检测技术研究中心 | Heavy metal-polluted soil detection system and detection method |
| CN113155870A (en) * | 2021-04-19 | 2021-07-23 | 深圳市智诚精展科技有限公司 | X-RAY detection point material all-in-one machine |
| CN113218981A (en) * | 2021-05-12 | 2021-08-06 | 中国地质调查局水文地质环境地质调查中心 | Soil heavy metal X fluorescence online monitoring instrument and method thereof |
-
2017
- 2017-11-17 CN CN201721541186.7U patent/CN207457107U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211835A (en) * | 2018-10-11 | 2019-01-15 | 南京大学（溧水）生态环境研究院 | A kind of rubbish from cooking rapid identification method based on spectral technique |
| CN110530914A (en) * | 2019-09-26 | 2019-12-03 | 北京农业质量标准与检测技术研究中心 | Heavy metal-polluted soil detection system and detection method |
| CN113155870A (en) * | 2021-04-19 | 2021-07-23 | 深圳市智诚精展科技有限公司 | X-RAY detection point material all-in-one machine |
| CN113218981A (en) * | 2021-05-12 | 2021-08-06 | 中国地质调查局水文地质环境地质调查中心 | Soil heavy metal X fluorescence online monitoring instrument and method thereof |
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Effective date of registration: 20220720 Address after: 100097 No. 9 middle garden, Shuguang garden, Beijing, Haidian District Patentee after: BEIJING ACADEMY OF AGRICULTURE AND FORESTRY SCIENCES Address before: Room 1011, germ plasm building, Beijing Academy of agriculture and Forestry Sciences, 9 Shuguang Huayuan Middle Road, Haidian District, Beijing 100097 Patentee before: BEIJING RESEARCH CENTER FOR AGRICULTURAL STANDARDS AND TESTING |
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