CN106885791A - Heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique - Google Patents
Heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique Download PDFInfo
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- CN106885791A CN106885791A CN201710176396.9A CN201710176396A CN106885791A CN 106885791 A CN106885791 A CN 106885791A CN 201710176396 A CN201710176396 A CN 201710176396A CN 106885791 A CN106885791 A CN 106885791A
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- G—PHYSICS
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- 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
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Abstract
The invention discloses a kind of heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique, module, sample liquid add module, heating module, detection module are carried including central turnplate module, substrate automatic loading and unloading, center module is provided with substrate loading and unloading berth, sample liquid addition berth, heats berth, detection berth, and substrate automatic loading and unloading load module, sample liquid add module, heating module, detection module are correspondingly arranged at substrate loading and unloading berth, sample liquid and add berth, heating berth, detect outside berth.The present invention substantially increases the water body example stability of enrichment, reliability and bioaccumulation efficiency automatically, technically realizes the on-line preconcentration of water body example, and the strong instrumentation process for having promoted LIBS water body example detection means.
Description
Technical field
The present invention relates to heavy metal in water detection means field, specifically a kind of water body based on laser breakdown spectral technique
Heavy metal automatic on-line monitoring device.
Background technology
Laser breakdown spectrum（LIBS）Technology is a kind of spectral analysis technique, and its principle is：Laser launches beam of laser
Ablation sample, is brought rapidly up sample and is heated to plasmoid, by collecting light that plasma launched simultaneously
Analysis obtains its spectrum, it is possible to obtain the information of elemental composition contained by sample.The technology is particularly advantageous in that, without to sample
Product carry out the pretreatment of complexity, and detection speed is fast, can be applied to solid, liquids and gases sample, meet very much scene and exist
The requirement of line monitoring.
Current conventional preprocess method of the LIBS technologies when water body example is applied to is to sample water body example, then
Fluid sample is converted into solid-state by physical method, then solid sample is detected.Its concrete operations flow is：1. by sample
Product collect laboratory.2. sample is added drop-wise on enriched medium.3. drying during the matrix of sample liquid is sent to baking oven will be loaded with to be made to treat
Survey material and be attached to substrate surface.
However, the major defect that existing method exists in actual applications is, the very complicated of operation, time-consuming take
Power, at least needs dry within 30 minutes at 100 DEG C of 2mL sample liquids, and sample is placed in baking oven, is unfavorable for observation, inconvenient field detection.
Limit the application in terms of the technology on-line monitoring.Meanwhile, the mode of heating of oven for drying also limit sample pretreatment and inspection
Survey the integrated and instrumentation of device.
The content of the invention exists automatically it is an object of the invention to provide a kind of heavy metal in water based on laser breakdown spectral technique
Line monitoring device, to realize using laser breakdown spectral technique scene on-line checking heavy metal in water.
In order to achieve the above object, the technical solution adopted in the present invention is：
Heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique, it is characterised in that：Including central turnplate
Module, substrate automatic loading and unloading carry module, sample liquid add module, heating module, detection module, wherein：
Central turnplate module includes horizontally disposed lower floor's fixed disk and upper strata rotating disk respectively, and rotating disk is concentrically at the middle and upper levels for it
Axle is rotatably installed on lower floor's fixed disk, and lower floor's fixed disk lower section is provided with the stepper motor for driving upper strata rotating disk to rotate, lower floor
The edge of fixed disk by being sequentially provided with the first recess, through hole, the second recess, the 3rd recess, first clockwise or counterclockwise
Recess position is substrate loading and unloading berth, and through hole position is that sample liquid adds berth, and the second recess position is to add
Hot berth, the 3rd recess position is detection berth, and the edge of upper strata rotating disk is provided with four recesses, and upper strata rotating disk can
Turn to itself notch position and correspond weight with substrate loading and unloading berth, sample liquid addition berth, heating berth, detection berth
Close, the resilient substrate folder of tool is respectively equipped with upper strata rotating disk each recess, in the upper strata rotating disk between adjacent recesses also
Light barrier is respectively equipped with, lower floor's fixed disk side is provided with optocoupler by support plate, and optocoupler coordinates with each light barrier optics；
Substrate automatic loading and unloading carries module and is arranged on outside substrate loading and unloading berth, and substrate automatic loading and unloading carries module includes leading screw frame, silk
Substrate loading and unloading berths is pointed in thick stick frame front end, and screw slider is provided with leading screw frame, in screw slider the central axis of leading screw with
Radial parallel where the first recess at substrate loading and unloading berth, leading screw is rotated during leading screw frame rear end is provided with driving screw slider
Stepper motor, slider top is provided with and picks plate in screw slider, picks front edge of board and exceedes forward in screw slider before sliding block
End, receiver board top rear is provided with push sliding block and forms ledge structure, and leading screw frame front portion left and right side stands to being provided with heap respectively
Stack support, is connected with the bridge-type plate being suspended from screw slider above leading screw between two storehouse supports, bridge-type plate floor height is big
In or equal to push sliding block apical side height, through hole is provided with bridge-type plate, correspondence through hole position is provided with pipe vertically on bridge-type plate
The hollow substrate storehouse of shape, substrate storehouse lower end connects with through hole in bridge-type plate, and the substrate storehouse inside is for stacking graphite
Substrate, bridge-type plate through-hole diameter, substrate storehouse internal diameter are equal to or more than graphite substrate, and the storehouse support in left side is provided with light
Coupling, sliding block left side is provided with light barrier in the screw slider, and the light barrier coordinates with optocoupler optics on storehouse support；
Sample liquid add module is arranged on outside sample liquid addition berth, and sample liquid add module includes hose rack, is contained with the sample liquid of sample liquid
Container, peristaltic pump, two-position three way pinch valve, two-position three way pinch valve are arranged on hose rack, and two-position three way pinch valve is wherein
One liquid mouthful is connected by flexible pipe with sample liquid container, and two-position three way pinch valve second liquid mouthful is by being arranged on hose rack
Flexible pipe is connected with the liquid mouthful of peristaltic pump, and the 3rd liquid mouthful of two-position three way pinch valve is connected with water dropper by flexible pipe, and water dropper is outstanding
In sample liquid addition berth top, the hose being connected between two-position three way pinch valve and peristaltic pump is provided with multiple optocouplers, and many
Individual optocoupler moves towards distribution along flexible pipe；
Heating module is arranged on outside heating berth, and heating module includes that the alternating current built based on LC oscillating circuits produces electricity
Road, heating metal support, infrared temperature sensor, wherein heating metal support is placed in LC oscillating circuits on inductance coil, and heating
Metal support is located at heating berth lower section, and infrared temperature sensor is suspended from heating berth top；
Detection module is arranged on outside detection berth, and detection module is set includes laser and spectrometer, the light extraction end of laser with
And the detecting head of spectrometer is suspended from detection berth top respectively.
The described heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique, it is characterised in that：Also
Including the governor circuit that single-chip microcomputer builds, each stepper motor, alternating current produce circuit, the control circuit of peristaltic pump, laser
Device be respectively connected to governor circuit in single-chip microcomputer by Single-chip Controlling, each optocoupler, infrared temperature sensor are respectively connected to single-chip microcomputer
With to single-chip microcomputer sending signal.
The described heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique, it is characterised in that：In
In heart turntable module, lower floor's fixed disk and upper strata rotating disk are made up of epoxide resin material respectively.
The described heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique, it is characterised in that：Inspection
Surveying module also includes the horizontal detecting position rotating disk driven by electric rotating machine, and detecting position rotating disk is described located at detection berth lower section
Single-chip microcomputer is by Single-chip Controlling in electric rotating machine access governor circuit.
The described heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique, it is characterised in that：Institute
Detecting position rotating disk is stated to be made up of elastomeric material.
The described heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique, it is characterised in that：Inspection
Surveying module also includes radiator, and lower floor's fixed disk lower section that the radiator is placed between heating berth and detection berth is simultaneously close to
Lower floor's fixed disk.
In the present invention, central turnplate module is capable of achieving the pipelining in each berth by double-layer rotary disc structure design,
And then realize quick measurement.Substrate of the center module at the middle and upper levels in rotating disk recess is pressed from both sides for clamping graphite substrate, whole module
The reliability and stability of spring, module are not used to obtain larger lifting.Central turnplate module selects epoxide resin material, energy
Enough tolerate higher temperature.Light barrier and optocoupler are positioned for sliding block.Optocoupler can send to single-chip microcomputer and believe when light barrier blocks optocoupler
Number reach locating effect.
In the present invention, substrate automatic loading and unloading carries module and picks plate by screw slider drive, sliding block is pushed, by substrate storehouse
The multiple graphite substrates for inside falling successively push to substrate loading and unloading berth successively, coordinate central turnplate module, are capable of achieving continuous
Uninterrupted measurement.The storage of graphite substrate and take and only rely on gravity rather than spring pressuring plate, to reduce rubbing between graphite substrate
Power is wiped, makes it easier to be removed.Push sliding block and pick the design that plate is monolithically fabricated two stage steps shape.Load graphite substrate
When, pushing sliding block and picking plate and retreat makes blank graphite substrate be fallen from storehouse to pick on plate, then with sliding block in screw slider
Advance, during the substrate pushed to graphite substrate at substrate loading and unloading berth by the push slip front for constituting higher level's step is pressed from both sides,
Complete the loading of graphite substrate；When other modules are operated, the graphite-based that the top of sliding block is held in substrate storehouse is pushed
Piece, graphite substrate does not fall out；Need unloading graphite substrate when, push sliding block retreat, make composition subordinate step pick plate from
Substrate loading and unloading berth is extracted out, and graphite substrate drops from berth automatically；At the same time, the blank graphite substrate in substrate storehouse falls
Fall down and pick on plate so that the preloaded of next blank graphite substrate is completed while graphite substrate is unloaded.Push
Sliding block and the move mode for picking plate are to be driven by motor-driven screw slider, for the loading and unloading of graphite substrate provide abundance
Power, make whole system more reliable and more stable.
In the present invention, the function of sample liquid add module is to complete and move to the graphite substrate that sample liquid adds berth to loading
Addition sample liquid.Sample liquid add module realizes the addition of sample liquid by using peristaltic pump.When sample liquid is added, first from sample liquid container
It is middle that sample liquid is drawn in pipe, pinch valve is then controlled, then sample liquid is pushed to by water dropper by peristaltic pump, it is added drop-wise to graphite substrate
On.The present invention does not use syringe pump and uses peristaltic pump, because when being added using syringe pump, sample liquid obviously can not enter
In piston cylinder, otherwise sample liquid will pollute syringe pump, just with the presence of large quantity of air so between piston and sample liquid.And carrying out
During the extraction and push of sample liquid, the slight change of inner air air pressure can result in the large change of actual push amount；
And, the volume of air is greatly influenced by temperature.Therefore, the sample liquid addition precision of syringe pump is relatively low.And peristaltic pump extract and
Internal air volume can be with very little even without therefore precision is significantly larger than the scheme of syringe pump during push.Wriggling pump volume is remote
Much smaller than syringe pump, and price is also cheap far beyond syringe pump.
Optocoupler in sample liquid add module of the present invention plays a part of liquid level positioning.Reflected using when whetheing there is sample liquid in flexible pipe
The change of rate, makes the output level of optocoupler produce change, can so be sent out to single-chip microcomputer when liquid level is drawn into optocoupler position
Send a signal.When sample liquid is added, sample liquid is first drawn into optocoupler position in advance, then extracts a certain amount of sample liquid, then by sample liquid
Liquid level is pushed at optocoupler position, can thus realize the accurate quantification addition of sample liquid.Carry out sample liquid it is quantitative when, both can be with
Determine addition using the rotation step number of peristaltic pump, it is also possible to addition is determined using the volume of flexible pipe between two optocouplers
Amount.
In the present invention, heating module is that the graphite substrate that will add sample liquid is heated, and sample liquid is evaporated so that in sample liquid
Test substance be attached to graphite substrate surface, this is last step pre-processed to sample liquid.Present invention heating base
Carried out in electromagnetic induction.Its principle is made by producing the electric current of oscillating current, alternation in LC oscillating circuits driving inductance coil
The electric field of surrounding generation change, the electric field of change excites an interior generation electromagnetic eddy of heating metal support again again, and vortex makes heating
Metal support is generated heat, and heating metal support is heated by way of heat transfer to graphite substrate again, and then is reached to graphite substrate
On fluid sample be evaporated the purpose of enrichment.This mode heats concentration, and the heat to surrounding environment release is few, it is not necessary to
Special provision for thermal insulation, and the thermal efficiency is high, firing rate is fast.
In heating module of the present invention, an infrared temperature sensor is with the addition of.After the sample liquid in graphite substrate is evaporated,
Graphite substrate temperature can steeply rise；After graphite substrate temperature is detected higher than preset value, you can closed by single-chip microcomputer and added
Heat.
In the present invention, detection module uses the existing laser in laboratory（The 100mJ of quantel）And spectrometer（Love ten thousand
Carry this desktop-usb2.0）.Graphite substrate is rotated to after detection berth, and laser exports pulse to by being enriched in stone
The sample of black substrate surface carries out ablation, and its launching light is received by the receiving terminal of spectrometer, realizes detection process.In detection berth
Lower section with the addition of a detecting position rotating disk, the purpose is to rotate graphite substrate in detection process, make laser in graphite substrate table
Ablation multiple point, obtains more multisample on same sample on one concentric circles in face, improves the stability of detection.Detecting position
Rotating disk uses quality of rubber materials, makes it be difficult to skid in rotary course.
In detection module of the present invention, a radiator is added between heating berth and detection berth.After heating terminates,
Graphite substrate is rotated to radiator and stops a bit of time, it is rotated to detection module again after lowering the temperature and detected.Plus
If the pyrographite substrate after heat is directly rotated to detection module, it would be possible to damage the detecting position rotating disk of rubber composition.Together
When temperature-fall period also reduce the temperature difference between different experiments, reduce influence of the temperature variable to experimental result.
The present invention has carried out the design of various novelties, substantially increases stability, reliability that water body example is enriched with automatically
Property and bioaccumulation efficiency, technically realize the on-line preconcentration of water body example, and the strong LIBS water body examples that promoted are detected
The instrumentation process of device.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present invention.
Fig. 2 is central turnplate modular structure schematic diagram of the present invention.
Fig. 3 is that substrate automatic loading and unloading of the present invention carries modular structure schematic diagram.
Fig. 4 is sample liquid add module structural representation of the present invention.
Fig. 5 is heating module structural representation of the present invention.
Fig. 6 is detection module structural representation of the present invention.
Specific embodiment
As shown in figure 1, the heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique, including center turns
Disk module 1, substrate automatic loading and unloading carry module 2, sample liquid add module 3, heating module 4, detection module 5, wherein：
As shown in Fig. 2 central turnplate module 1 includes horizontally disposed lower floor's fixed disk 1.1 and upper strata rotating disk 1.2 respectively, its
Concentrically axle is rotatably installed on lower floor's fixed disk 1.1 rotating disk 1.2 at the middle and upper levels, and the lower section of lower floor's fixed disk 1.1 is provided with driving
Layer rotating disk rotates 1.2 stepper motor 1.3, and the edge of lower floor's fixed disk 1.1 by being sequentially provided with clockwise or counterclockwise
First recess, through hole, the second recess, the 3rd recess, the first recess position are substrate loading and unloading berth 1.4, through hole place
Position is that sample liquid adds berth 1.5, and the second recess position is heating berth 1.6, and the 3rd recess position is moored for detection
Position 1.7, the edge of upper strata rotating disk 1.2 is provided with four recesses 1.8, and upper strata rotating disk 1.2 can turn to itself recess 1.8
Put and correspond and overlap with substrate loading and unloading berth 1.4, sample liquid addition berth 1.5, heating berth 1.6, detection berth 1.7, on
The resilient substrate folder 1.9 of tool, the upper strata rotating disk between adjacent recesses are respectively equipped with layer rotating disk 1.2 each recess 1.8
Light barrier 1.10 is further respectively had on 1.2, the side of lower floor's fixed disk 1.1 is provided with optocoupler 1.11, and optocoupler 1.11 by support plate
Coordinate with each optics of light barrier 1.10；
As shown in figure 3, substrate automatic loading and unloading carries module 2 being arranged on outside substrate loading and unloading berth 1.4, substrate automatic loading and unloading carries module
2 include leading screw frame 2.1, and the front end of leading screw frame 2.1 points to substrate loading and unloading berth 1.4, screw slider is provided with leading screw frame 2.1
2.2, radial parallel, the silk in screw slider 2.2 at the central axis of leading screw and substrate loading and unloading berth 1.4 where first recess
The rear end of thick stick frame 2.1 is provided with the stepper motor 2.3 for driving leading screw rotation in screw slider 2.2, slider top in screw slider 2.2
It is provided with and picks plate 2.4, picks the front end of plate 2.4 and exceed slip front, the top rear of receiver board 2.4 in screw slider 2.2 forward
Push sliding block 2.5 is installed and forms ledge structure, the anterior left and right side of leading screw frame 2.1 stands to being provided with storehouse support 2.6 respectively,
Be connected between two storehouse supports and be suspended from bridge-type plate in screw slider 2.2 above leading screw, bridge-type plate floor height be more than or
Equal to the apical side height of sliding block 2.5 is pushed, through hole is provided with bridge-type plate, correspondence through hole position is provided with tubular vertically on bridge-type plate
Hollow substrate storehouse 2.7, the lower end of substrate storehouse 2.7 connects with through hole in bridge-type plate, and the inside of substrate storehouse 2.7 is used for heap piling and layout of stones
Black substrate 2.8, bridge-type plate through-hole diameter, the internal diameter of substrate storehouse 2.7 are equal to or more than graphite substrate 2.8, in substrate storehouse 2.7
The compressing tablet post that external diameter is slightly less than graphite substrate is provided with, compressing tablet post is used to ensure that graphite substrate is stacked gradually in storehouse, Bu Huiqiao
Rise or roll.The storehouse support in left side is provided with optocoupler 2.10, and sliding block left side is provided with light barrier 2.9 in screw slider 2.2, and should
Light barrier 2.9 coordinates with the optics of optocoupler 2.10 on storehouse support；
As shown in figure 4, sample liquid add module 3 is arranged on outside sample liquid addition berth 1.5, sample liquid add module 3 includes hose rack
3.1st, sample liquid container 3.2, peristaltic pump 3.3, the two-position three way pinch valve 3.4 of sample liquid are contained with, two-position three way pinch valve 3.4 is installed
On hose rack 3.1, one of liquid mouthful of two-position three way pinch valve 3.4 is connected by flexible pipe with sample liquid container 3.2, two
Threeway pinch valve 3.4 second liquid mouthful are connected by the flexible pipe 3.5 being arranged on hose rack 3.1 with the liquid mouthful of peristaltic pump 3.3, and two
3rd liquid mouthful of position threeway pinch valve 3.4 is connected with water dropper 3.7 by flexible pipe, and water dropper 3.7 is suspended from sample liquid addition berth 1.5
Top, is connected to and multiple optocouplers 3.6 is provided with the flexible pipe 3.5 between two-position three way pinch valve 3.4 and peristaltic pump 3.3, and multiple
Optocoupler 3.6 moves towards distribution along flexible pipe 3.5；
As shown in figure 5, heating module 4 is arranged on outside heating berth 1.6, heating module 4 includes what is built based on LC oscillating circuits
Alternating current produces circuit, heating metal support 4.1, infrared temperature sensor 4.2, wherein heating metal support 4.1 is placed in LC vibrations
In circuit on inductance coil, and heating metal support 4.1 is located at the lower section of heating berth 1.6, and infrared temperature sensor 4.2 is suspended from heating
The top of berth 1.6；
As shown in fig. 6, detection module 5 is arranged on outside detection berth 1.7, detection module 5 is set includes laser and spectrometer, swashs
The light extraction end of light device and the detecting head of spectrometer become one formula structure 5.1, and integral structure 5.1 is suspended from detection berth
1.7 tops.
Also include the governor circuit 6 that single-chip microcomputer builds, each stepper motor, alternating current produce circuit, the control of peristaltic pump
Circuit processed, laser be respectively connected to governor circuit in single-chip microcomputer by Single-chip Controlling, each optocoupler, infrared temperature sensor difference
Single-chip microcomputer is accessed with to single-chip microcomputer sending signal.
In central turnplate module 1, lower floor's fixed disk 1.1 and upper strata rotating disk 1.2 are made up of epoxide resin material respectively.
Detection module 5 also includes the horizontal detecting position rotating disk 5.3 driven by electric rotating machine 5.2, and detecting position rotating disk 5.2 sets
Single-chip microcomputer is by Single-chip Controlling in the lower section of detection berth 1.7, the access governor circuit of electric rotating machine 5.2.
Detecting position rotating disk 5.3 is made up of elastomeric material.
Detection module 5 also includes radiator 5.4, and radiator 5.4 is placed between heating berth 1.6 and detection berth 1.7
Simultaneously it is close to lower floor's fixed disk 1.1 in the lower section of lower floor's fixed disk 1.1.
Claims (6)
1. the heavy metal in water automatic on-line monitoring device of laser breakdown spectral technique is based on, it is characterised in that：Turn including center
Disk module, substrate automatic loading and unloading carry module, sample liquid add module, heating module, detection module, wherein：
Central turnplate module includes horizontally disposed lower floor's fixed disk and upper strata rotating disk respectively, and rotating disk is concentrically at the middle and upper levels for it
Axle is rotatably installed on lower floor's fixed disk, and lower floor's fixed disk lower section is provided with the stepper motor for driving upper strata rotating disk to rotate, lower floor
The edge of fixed disk by being sequentially provided with the first recess, through hole, the second recess, the 3rd recess, first clockwise or counterclockwise
Recess position is substrate loading and unloading berth, and through hole position is that sample liquid adds berth, and the second recess position is to add
Hot berth, the 3rd recess position is detection berth, and the edge of upper strata rotating disk is provided with four recesses, and upper strata rotating disk can
Turn to itself notch position and correspond weight with substrate loading and unloading berth, sample liquid addition berth, heating berth, detection berth
Close, the resilient substrate folder of tool is respectively equipped with upper strata rotating disk each recess, in the upper strata rotating disk between adjacent recesses also
Light barrier is respectively equipped with, lower floor's fixed disk side is provided with optocoupler by support plate, and optocoupler coordinates with each light barrier optics；
Substrate automatic loading and unloading carries module and is arranged on outside substrate loading and unloading berth, and substrate automatic loading and unloading carries module includes leading screw frame, silk
Substrate loading and unloading berths is pointed in thick stick frame front end, and screw slider is provided with leading screw frame, in screw slider the central axis of leading screw with
Radial parallel where the first recess at substrate loading and unloading berth, leading screw is rotated during leading screw frame rear end is provided with driving screw slider
Stepper motor, slider top is provided with and picks plate in screw slider, picks front edge of board and exceedes forward in screw slider before sliding block
End, receiver board top rear is provided with push sliding block and forms ledge structure, and leading screw frame front portion left and right side stands to being provided with heap respectively
Stack support, is connected with the bridge-type plate being suspended from screw slider above leading screw between two storehouse supports, bridge-type plate floor height is big
In or equal to push sliding block apical side height, through hole is provided with bridge-type plate, correspondence through hole position is provided with pipe vertically on bridge-type plate
The hollow substrate storehouse of shape, substrate storehouse lower end connects with through hole in bridge-type plate, and the substrate storehouse inside is for stacking graphite
Substrate, bridge-type plate through-hole diameter, substrate storehouse internal diameter are equal to or more than graphite substrate, and the storehouse support in left side is provided with light
Coupling, sliding block left side is provided with light barrier in the screw slider, and the light barrier coordinates with optocoupler optics on storehouse support；
Sample liquid add module is arranged on outside sample liquid addition berth, and sample liquid add module includes hose rack, is contained with the sample liquid of sample liquid
Container, peristaltic pump, two-position three way pinch valve, two-position three way pinch valve are arranged on hose rack, and two-position three way pinch valve is wherein
One liquid mouthful is connected by flexible pipe with sample liquid container, and two-position three way pinch valve second liquid mouthful is by being arranged on hose rack
Flexible pipe is connected with the liquid mouthful of peristaltic pump, and the 3rd liquid mouthful of two-position three way pinch valve is connected with water dropper by flexible pipe, and water dropper is outstanding
In sample liquid addition berth top, the hose being connected between two-position three way pinch valve and peristaltic pump is provided with multiple optocouplers, and many
Individual optocoupler moves towards distribution along flexible pipe；
Heating module is arranged on outside heating berth, and heating module includes that the alternating current built based on LC oscillating circuits produces electricity
Road, heating metal support, infrared temperature sensor, wherein heating metal support is placed in LC oscillating circuits on inductance coil, and heating
Metal support is located at heating berth lower section, and infrared temperature sensor is suspended from heating berth top；
Detection module is arranged on outside detection berth, and detection module is set includes laser and spectrometer, the light extraction end of laser with
And the detecting head of spectrometer is suspended from detection berth top respectively.
2. the heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique according to claim 1, its
It is characterised by：Also include the governor circuit that single-chip microcomputer builds, each stepper motor, alternating current produce circuit, the control of peristaltic pump
Circuit processed, laser be respectively connected to governor circuit in single-chip microcomputer by Single-chip Controlling, each optocoupler, infrared temperature sensor difference
Single-chip microcomputer is accessed with to single-chip microcomputer sending signal.
3. the heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique according to claim 1, its
It is characterised by：In central turnplate module, lower floor's fixed disk and upper strata rotating disk are made up of epoxide resin material respectively.
4. the heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique according to claim 1, its
It is characterised by：Detection module also includes the horizontal detecting position rotating disk driven by electric rotating machine, and detecting position rotating disk is moored located at detection
Position lower section, single-chip microcomputer is by Single-chip Controlling in the electric rotating machine access governor circuit.
5. the heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique according to claim 4, its
It is characterised by：The detecting position rotating disk is made up of elastomeric material.
6. the heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique according to claim 1, its
It is characterised by：Detection module also includes radiator, and the lower floor that the radiator is placed between heating berth and detection berth is fixed
Simultaneously it is close to lower floor's fixed disk in disk lower section.
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| CN201710176396.9A CN106885791B (en) | 2017-03-23 | 2017-03-23 | Heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique |
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| CN201710176396.9A CN106885791B (en) | 2017-03-23 | 2017-03-23 | Heavy metal in water automatic on-line monitoring device based on laser breakdown spectral technique |
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| CN106885791B CN106885791B (en) | 2019-04-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068589A (en) * | 2019-04-28 | 2019-07-30 | 天津迪沃特生物电子科技有限公司 | The device and method of heavy metal in a kind of on-line analysis water |
| 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 |
| CN114815206A (en) * | 2022-04-19 | 2022-07-29 | 中国工程物理研究院激光聚变研究中心 | Online X-ray high-resolution detector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201327493Y (en) * | 2008-05-29 | 2009-10-14 | 上海安泰分析仪器有限公司 | Double-shaft concentric rotating device |
| CN101613663A (en) * | 2009-07-28 | 2009-12-30 | 呼吸疾病国家重点实验室 | Full-automatic serial fluorescence PCR detection system |
| CN203672894U (en) * | 2014-01-17 | 2014-06-25 | 广州鸿琪光学仪器科技有限公司 | Incubation device for bacterial vaginosis detector |
| CN105606609A (en) * | 2016-01-14 | 2016-05-25 | 江苏大学 | Multi-channel microfluidics photoelectric detection device and method for detecting various strains |
| CN106053784A (en) * | 2016-07-05 | 2016-10-26 | 深圳普门科技有限公司 | Incubating device of full-automatic electrochemiluminescence immunity analyzer |
-
2017
- 2017-03-23 CN CN201710176396.9A patent/CN106885791B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201327493Y (en) * | 2008-05-29 | 2009-10-14 | 上海安泰分析仪器有限公司 | Double-shaft concentric rotating device |
| CN101613663A (en) * | 2009-07-28 | 2009-12-30 | 呼吸疾病国家重点实验室 | Full-automatic serial fluorescence PCR detection system |
| CN203672894U (en) * | 2014-01-17 | 2014-06-25 | 广州鸿琪光学仪器科技有限公司 | Incubation device for bacterial vaginosis detector |
| CN105606609A (en) * | 2016-01-14 | 2016-05-25 | 江苏大学 | Multi-channel microfluidics photoelectric detection device and method for detecting various strains |
| CN106053784A (en) * | 2016-07-05 | 2016-10-26 | 深圳普门科技有限公司 | Incubating device of full-automatic electrochemiluminescence immunity analyzer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110068589A (en) * | 2019-04-28 | 2019-07-30 | 天津迪沃特生物电子科技有限公司 | The device and method of heavy metal in a kind of on-line analysis water |
| 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 |
| 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 |
| CN114815206A (en) * | 2022-04-19 | 2022-07-29 | 中国工程物理研究院激光聚变研究中心 | Online X-ray high-resolution detector |
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