CN207423810U - A kind of laser induced breakdown spectrograph for Multi-example detection - Google Patents
A kind of laser induced breakdown spectrograph for Multi-example detection Download PDFInfo
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- CN207423810U CN207423810U CN201721597728.2U CN201721597728U CN207423810U CN 207423810 U CN207423810 U CN 207423810U CN 201721597728 U CN201721597728 U CN 201721597728U CN 207423810 U CN207423810 U CN 207423810U
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Abstract
The utility model creation provides a kind of laser induced breakdown spectrograph for Multi-example detection, including main body, sample room, arranged on the indoor sample stage of sample and optical detecting parts, sample stage includes support base, the circular sample disk being rotatably connected with support base top and bottom and the affixed swingle of sample disc, and the top of swingle is pierced by sample room；The upper of sample disc circumferentially distributed has multiple sample cells；Optical detecting parts include receiving coupled lens and the optical fiber head consistent with receiving coupled lens light path on the laser head of laser power supply connection, the condenser lens being arranged at below laser head, receiving light path, condenser lens is located at the surface of the sample cell of sample disc right end, and optical fiber head is connected by optical fiber with spectrometer.The utility model creates the laser induced breakdown spectrograph can carry multiple samples simultaneously, and simple operation, detection efficiency are high.
Description
Technical field
The invention belongs to laser induced breakdown spectroscopy detection technique field, and various product examine is used for more particularly, to one kind
The laser induced breakdown spectrograph of survey.
Background technology
Laser induced breakdown spectroscopy (Laser-induced breakdown spectroscopy, abbreviation LIBS) is a kind of
Using high energy pulse Reciprocity of Laser ＆ Materials, plasma emission spectroscopy is generated, the new technology of row element of going forward side by side analysis, with
Traditional spectral measurement methods are compared, and LIBS technologies have lot of advantages：(1) analysis of multiple element can be carried out at the same time；(2) may be used
Non-demolition or it is non-contacting under the conditions of, be truly realized live quick analysis, without carrying out sample pretreatment, easy analysis is ground
It is small to study carefully object recontamination probability；(3) measurement object is almost unrestricted, can be solid, liquid, gas or hardness
The high, substance of indissoluble；(4) continuous monitoring can be realized, the time is really quickly analyzed；
LIBS spectrometers are generally mainly made of laser, sample stage, spectrometer and computer, and groundwork flow is sharp
The laser of radiant output is focused on by condenser lens on sample surfaces, and sample is excited to plasma state, the grade of transmitting from
Daughter spectrum by optical fiber be sent into spectrometer, spectrometer collection to data transmission into computer, data are realized by software
Preservation, analysis and display；
Sample is usually positioned on sample stage, laser is direct by existing LIBS spectrometers when being detected work
It focusing on sample surfaces and carries out induced breakdown, and then obtain sample spectral signals and measure, existing sample stage is inconvenient for use,
When can only once carry a sample, then continuously detect multiple samples, when need to be reentered into sample, and place sample every time, all
It needs to open the enclosed hood on sample stage, it is inconvenient, detection efficiency is low.
The content of the invention
In view of this, the invention is directed to a kind of structure novel, can carry multiple samples simultaneously, simple operation,
The high laser induced breakdown spectrograph for Multi-example detection of detection efficiency, to solve the above problems.
In order to achieve the above objectives, the technical solution of the invention is realized in：
A kind of laser induced breakdown spectrograph for Multi-example detection, including main body and sample detection room, the master
Body includes computer and the spectrometer and laser power supply that are connected with the computer, and the sample detection room includes closed
Sample room is installed on the indoor sample stage of the sample and optical detecting parts, and the sample stage includes support base, is horizontally mounted
Sample disc and swingle at the top of the support base；The sample disc is circle, and the sample disc can be centered on its center of circle
It is rotated on the support base；The swingle is vertically arranged, and bottom and the sample disc are affixed, and top passes through the sample
The top plate of room to the sample room outside；The upper surface of the sample disc has been uniformly distributed circumferentially multiple sample cells；It is described
The left side wall of sample room offers sample cell outlet, exports and reveals through the sample cell positioned at the sample cell of the sample disc left end
Go out；The optical detecting parts include the laser head being connected by conducting wire with the laser power supply, are arranged at the laser head
Condenser lens, the reception coupled lens on receiving light path and the optical fiber head consistent with the reception coupled lens light path of lower section,
The condenser lens is located at the surface of the sample cell of the sample disc right end, and the optical fiber head passes through optical fiber and the spectrum
Instrument connects.
Further, the support base includes pedestal, the support column that bottom is installed on the pedestal and is arranged at described
Supporting table at the top of support column；Circumferentially arranged with a circle slideway, the bottom of the sample disc is equipped with for the upper surface of the supporting table
The slide that one circle is adapted with the slideway.
Further, the left side outer wall of the sample room exports with the sample cell and is equipped with sample-adding at corresponding position
Room, the part that the sample disc stretches out in the sample room are located at the inner cavity of the sample addition zone, and the top of the sample addition zone is equipped with
Head cover to be opened/closed.
Further, the main body is further included is connected with the computer, the spectrometer and the laser power supply
Accumulator.
Further, the bottom of the swingle is detachably connected with the sample disc by screw thread.
Further, the top of the swingle is provided with rotating handles.
Compared with the prior art, a kind of laser induced breakdown spectrograph for Multi-example detection described in the invention
It has the advantage that：
(1) sample stage is equipped in the sample room of the laser induced breakdown spectrograph described in the invention, sample stage includes
Support base, sample disc and swingle have been uniformly distributed circumferentially multiple sample cells in sample disc, and each sample cell can be placed
Detected sample, realizes the function of carrying multiple samples simultaneously, and sample disc is connected with swingle, can be realized by adjusting swingle
Rotation of the sample disc in support base, and then the sample cell for carrying sample is rotated to the underface of condenser lens successively,
Realize the continuous detection of multiple samples, simple operation, detection efficiency height；Sample room left side wall is exported equipped with sample cell, sample disc
The sample cell of upper left end stretches out in sample cell outlet, and sample-adding or replacement sample can be realized without opening sample room, further carry
The convenience of height operation.
(2) outer wall is additionally provided with sample addition zone, sample on the left of the sample room of the laser induced breakdown spectrograph described in the invention
The part that product disk stretches out in sample room is located at the inner cavity of sample addition zone, improves the seal of sample room, reduces sample in sample cell
Product are by the possibility of external environmental, it is ensured that the accuracy of testing result.
Description of the drawings
The attached drawing for forming the part of the invention is used for providing further understanding the invention, present invention wound
The schematic description and description made does not form the improper restriction to the invention for explaining the invention.
In attached drawing：
Fig. 1 is the structure diagram of the laser induced breakdown spectrograph described in the invention；
Fig. 2 is the structure diagram of sample disc described in the invention.
Reference sign：
1- computers；2- spectrometers；3- laser power supplies；4- sample rooms；5- support bases；6- sample discs；7- swingles；8-
Sample cell；9- sample cells export；10- laser heads；11- condenser lenses；12- receives coupled lens；13- optical fiber heads；14- pedestals；
15- support columns；16- supporting tables；17- slides；18- sample addition zones；19- head covers；20- accumulators.
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the invention can
To be mutually combined.
In the description of the invention, it is to be understood that term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instructions such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or
Position relationship is for only for ease of description the invention and simplifies description rather than instruction or imply signified device or member
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the invention.
In the description of the invention, unless otherwise indicated, " multiple " are meant that two or more.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the invention
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,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the invention.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments creates.
As illustrated in fig. 1 and 2, a kind of laser induced breakdown spectrograph for Multi-example detection, including main body and sample
Sensing chamber；
Wherein, main body includes computer 1 and the spectrometer 2 being connected with computer 1 and 1 connecting laser of computer electricity
Source 3 and the accumulator 20 for the power supply of device each several part；
Sample detection room includes closed sample room 4, the sample stage and optical detecting parts being installed in sample room 4；
Sample stage includes support base 5, the sample disc 6 and swingle 7 that are horizontally installed to 5 top of support base；Sample disc 6 is circle
Shape, sample disc 6 can be rotated centered on its center of circle on support base 5；Support base 5 includes pedestal 14, bottom is installed on pedestal 14
On support column 15 and be arranged at the supporting table 16 at the top of support column 15；It is slided circumferentially arranged with a circle upper surface of supporting table 16
Road, the bottom of sample disc 6 are equipped with the slide 17 that a circle is adapted with slideway, and sample disc 6 under external force, can be in supporting table
16 upper surface is pivoted about with 6 center of circle of sample disc；Swingle 7 is vertically arranged, and bottom passes through screw thread with sample disc 6
Connection, top passes through the top plate of sample room 4, and to the outside of sample room 4, the top of swingle 7 is provided with rotating handles, convenient for behaviour
Make personnel by rotating swingle 7, rotate sample disc 6；The upper surface of sample disc 6 has been uniformly distributed circumferentially multiple sample cells 8；
Optical detecting parts include the laser head 10 being connected by conducting wire with laser power supply 3, are arranged under laser head 10
Condenser lens 11, the reception coupled lens 12 on receiving light path and the optical fiber head consistent with receiving 12 light path of coupled lens of side
13；Condenser lens 11 is located at the surface of the sample cell 8 of 6 right end of sample disc, makes multiple sample cells 8 by rotating sample disc 6
It is sequentially located at the underface of condenser lens 11；Optical fiber head 13 is connected by optical fiber with spectrometer 2；The incident light that laser head 10 emits
Road line focus lens 11 are focused on sample surfaces, and sample is excited to plasma state, are received coupled lens 12 and are received what is generated
Plasma is simultaneously pooled at optical fiber head 13, and plasma spectrometry is sent into spectrometer 2, and then the data that will be collected through optical fiber
Computer 1 is transferred to, computer 1 preserves data, analyzed and shown；
The left side wall of sample room 4 offers sample cell outlet 9, and the sample cell 8 positioned at 4 left end of sample disc is exported through sample cell
9 expose, and sample-adding or replacement sample can be realized without opening sample room 4；The left side outer wall of sample room 4 exports 9 phases with sample cell
Sample addition zone 18 is installed, the part that sample disc 6 stretches out in sample room 4 is located at the inner cavity of sample addition zone 18, sample-adding at corresponding position
The top of room 18 is equipped with head cover 19 to be opened/closed.
The course of work of laser induced breakdown spectrograph described in the invention is as follows：
Before measure, sample addition zone 18 is opened, sample is added to successively in sample cell 8, rotate swingle 7, it will wherein one
A sample cell 8 is adjusted in place in the underface of condenser lens 11, you can；During measure, the laser line focus through the transmitting of laser head 10
Lens 11 focus on sample surfaces, and sample is excited to plasma state, receive coupled lens 12 and receive the plasma generated simultaneously
Be pooled at optical fiber head 13, through optical fiber by plasma spectrometry be sent into spectrometer 2, and then by the data transmission collected to calculating
Machine 1, computer 1 preserve data, analyzed and are shown.
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this
Within the spirit and principle of innovation and creation, any modifications, equivalent replacements and improvements are made should be included in the invention
Protection domain within.
Claims (6)
1. a kind of laser induced breakdown spectrograph for Multi-example detection, including main body and sample detection room, the host
Body includes computer (1) and the spectrometer (2) and laser power supply (3) that are connected with the computer (1), it is characterised in that：Institute
Stating sample detection room includes closed sample room (4), the sample stage and optical detecting parts being installed in the sample room (4),
The sample stage includes support base (5), the sample disc (6) being horizontally installed at the top of the support base (5) and swingle (7)；Institute
Sample disc (6) is stated as circle, the sample disc (6) can be rotated centered on its center of circle on the support base (5)；The rotation
Bar (7) is vertically arranged, and bottom and the sample disc (6) are affixed, top through the sample room (4) top plate to the sample
The outside of room (4)；The upper surface of the sample disc (6) has been uniformly distributed circumferentially multiple sample cells (8)；The sample room (4)
Left side wall offer sample cell outlet (9), positioned at the sample disc (6) left end sample cell (8) through the sample cell export
(9) expose；The optical detecting parts include the laser head (10) being connected by conducting wire with the laser power supply (3), set
Reception coupled lens (12) on condenser lens (11), receiving light path below the laser head (10) and with the reception coupling
The consistent optical fiber head (13) of lens (12) light path is closed, the condenser lens (11) is located at the sample of the sample disc (6) right end
The surface of slot (8), the optical fiber head (13) are connected by optical fiber with the spectrometer (2).
2. a kind of laser induced breakdown spectrograph for Multi-example detection according to claim 1, it is characterised in that：Institute
Stating support base (5) includes pedestal (14), the support column (15) that bottom is installed on the pedestal (14) and is arranged at the support
Supporting table (16) at the top of column (15)；The upper surface of the supporting table (16) is circumferentially arranged with a circle slideway, the sample disc (6)
Bottom be equipped with the slide (17) that a circle is adapted with the slideway.
3. a kind of laser induced breakdown spectrograph for Multi-example detection according to claim 1, it is characterised in that：Institute
The left side outer wall of sample room (4) is stated with being equipped with sample addition zone (18), the sample at sample cell outlet (9) corresponding position
The part that product disk (6) stretches out in the sample room (4) is located at the inner cavity of the sample addition zone (18), the top of the sample addition zone (18)
Equipped with head cover to be opened/closed (19).
4. a kind of laser induced breakdown spectrograph for Multi-example detection according to claim 1, it is characterised in that：Institute
It states main body and further includes the accumulator being connected with the computer (1), the spectrometer (2) and the laser power supply (3)
(20)。
5. a kind of laser induced breakdown spectrograph for Multi-example detection according to claim 1, it is characterised in that：Institute
The bottom for stating swingle (7) is detachably connected with the sample disc (6) by screw thread.
6. a kind of laser induced breakdown spectrograph for Multi-example detection according to claim 1, it is characterised in that：Institute
The top for stating swingle (7) is provided with rotating handles.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721597728.2U CN207423810U (en) | 2017-11-24 | 2017-11-24 | A kind of laser induced breakdown spectrograph for Multi-example detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721597728.2U CN207423810U (en) | 2017-11-24 | 2017-11-24 | A kind of laser induced breakdown spectrograph for Multi-example detection |
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| Publication Number | Publication Date |
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| CN207423810U true CN207423810U (en) | 2018-05-29 |
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| CN201721597728.2U Active CN207423810U (en) | 2017-11-24 | 2017-11-24 | A kind of laser induced breakdown spectrograph for Multi-example detection |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593555A (en) * | 2018-07-04 | 2018-09-28 | 河南农业大学 | Multichannel absorption spectrum monitor station and detecting system |
| CN109297952A (en) * | 2018-11-09 | 2019-02-01 | 南京信息工程大学 | Rice paper quality evaluation system based on laser induced breakdown spectroscopy |
| CN109540862A (en) * | 2018-12-28 | 2019-03-29 | 暨南大学 | A kind of phosphorescence performance testing device |
| CN111929292A (en) * | 2020-07-20 | 2020-11-13 | 苏州星帆华镭光电科技有限公司 | Laser-induced breakdown spectrometer for multi-sample detection |
| CN112051304A (en) * | 2020-10-19 | 2020-12-08 | 南京理工大学 | Laser test bed |
| CN112255268A (en) * | 2020-10-19 | 2021-01-22 | 南京理工大学 | Method for researching response characteristics of typical energetic material under laser stimulation |
| CN112964695A (en) * | 2021-02-05 | 2021-06-15 | 江苏奥文仪器科技有限公司 | Laser-induced spectrometer with automatic focusing and multiple laser light sources and working method |
| CN113758913A (en) * | 2021-11-09 | 2021-12-07 | 苏州星帆华镭光电科技有限公司 | Laser-induced breakdown spectrometer for multi-sample detection |
| CN114264619A (en) * | 2021-12-20 | 2022-04-01 | 杭州谱育科技发展有限公司 | Automatic detection device and method |
| CN114397288A (en) * | 2021-12-28 | 2022-04-26 | 欧宜检测认证服务(苏州)有限公司 | Laser-induced plasma tester for soil heavy metal detection and testing method thereof |
| CN116106294A (en) * | 2023-04-11 | 2023-05-12 | 合肥金星智控科技股份有限公司 | Calibration method of material component detection equipment and material component detection equipment |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108593555A (en) * | 2018-07-04 | 2018-09-28 | 河南农业大学 | Multichannel absorption spectrum monitor station and detecting system |
| CN109297952A (en) * | 2018-11-09 | 2019-02-01 | 南京信息工程大学 | Rice paper quality evaluation system based on laser induced breakdown spectroscopy |
| CN109297952B (en) * | 2018-11-09 | 2024-02-06 | 南京信息工程大学 | Rice paper quality identification system based on laser-induced breakdown spectroscopy technology |
| CN109540862A (en) * | 2018-12-28 | 2019-03-29 | 暨南大学 | A kind of phosphorescence performance testing device |
| CN111929292A (en) * | 2020-07-20 | 2020-11-13 | 苏州星帆华镭光电科技有限公司 | Laser-induced breakdown spectrometer for multi-sample detection |
| CN112255268B (en) * | 2020-10-19 | 2023-07-25 | 南京理工大学 | Method for researching reaction characteristics of typical energetic material under laser stimulation |
| CN112051304A (en) * | 2020-10-19 | 2020-12-08 | 南京理工大学 | Laser test bed |
| CN112255268A (en) * | 2020-10-19 | 2021-01-22 | 南京理工大学 | Method for researching response characteristics of typical energetic material under laser stimulation |
| CN112964695A (en) * | 2021-02-05 | 2021-06-15 | 江苏奥文仪器科技有限公司 | Laser-induced spectrometer with automatic focusing and multiple laser light sources and working method |
| CN113758913B (en) * | 2021-11-09 | 2022-01-18 | 苏州星帆华镭光电科技有限公司 | Laser-induced breakdown spectrometer for multi-sample detection |
| CN113758913A (en) * | 2021-11-09 | 2021-12-07 | 苏州星帆华镭光电科技有限公司 | Laser-induced breakdown spectrometer for multi-sample detection |
| CN114264619A (en) * | 2021-12-20 | 2022-04-01 | 杭州谱育科技发展有限公司 | Automatic detection device and method |
| CN114397288A (en) * | 2021-12-28 | 2022-04-26 | 欧宜检测认证服务(苏州)有限公司 | Laser-induced plasma tester for soil heavy metal detection and testing method thereof |
| CN116106294A (en) * | 2023-04-11 | 2023-05-12 | 合肥金星智控科技股份有限公司 | Calibration method of material component detection equipment and material component detection equipment |
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