CN207937436U - A kind of multi-channel heavy metal detector - Google Patents
A kind of multi-channel heavy metal detector Download PDFInfo
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- CN207937436U CN207937436U CN201820399504.9U CN201820399504U CN207937436U CN 207937436 U CN207937436 U CN 207937436U CN 201820399504 U CN201820399504 U CN 201820399504U CN 207937436 U CN207937436 U CN 207937436U
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Abstract
The utility model is related to a kind of multi-channel heavy metal detectors.The utility model belongs to heavy metal detector technical field.A kind of multi-channel heavy metal detector, its main feature is that：Multi-channel heavy metal detector includes computer, electrochemical process detection, photometry detection and power unit, computer is detected by orifice electrochemical process, photometry detects, it is powered by power unit, Electrochemical Detection and multichannel photometric detection are integrated in one, and realize electrochemical process detection, photometry detection while detecting.The utility model has the advantages that compact overall structure, function enhancing, detection speed is fast, and detection project is complete, and use scope is wide.
Description
Technical field
The utility model belongs to heavy metal detector technical field, more particularly to a kind of multi-channel heavy metal detector.
Background technology
Currently, the destruction due to environment causes cadmium, copper, arsenic, chromium, mercury, nickel, iron, aluminium, zinc, manganese, copper in plough horizon
The equal a large amount of rich long-pending, accumulation of heavy metals, in addition largely causing the heavy metal in vegetables and Fish to contain using inorganic chemistry pesticide etc.
The case where amount severely exceeds causes consumer's heavy metal slow poisoning phenomenon to occur, has caused great attention and the society of government
The extensive concern of all circles, heavy metal detector are widely applied.Currently known heavy metal detector, has and is with electrochemical process
The heavy metal detector of detection method and using photometry as two kinds of instruments of heavy metal detector of detection method.It is inspection with photometry
The heavy metal detector of survey method, measures that project is complete but finding speed is slow, complex steps.And using electrochemical process as detection method
Heavy metal detector finding speed is fast, hair easy to operate, but on the low side cannot to carry out all heavy metals whole there are measurement project
The series of problems such as measurement.
Invention content
The utility model provides a kind of multi-channel heavy metal detector to solve technical problem present in known technology.
The purpose of this utility model, which is to provide one kind, having compact overall structure, and function enhancing, detection speed is fast, detection
The multi-channel heavy metal detector for the features such as mesh is complete.
The utility model improves the detection speed and performance of heavy metal analysis, makes instrument compact overall structure, improves work
Make efficiency, work quality and detectability.
Multi-channel heavy metal detector all-in-one machine is examined simultaneously using including two kinds of assay methods of electrochemical process and photometry
It surveys, realizes the rapidity of heavy metal analysis and comprehensive.Multi-channel heavy metal detector all-in-one machine includes computer display portion, electricity
Chemical method detection part, photometry detection part, power supply unit grade several parts composition.
Computer display portion uses built-in industrial computer, is based on Windows operating system, realizes friendly human-computer interaction circle
Face.Color touch liquid crystal display, band VGA/HDMI output interfaces can be independent double aobvious.Core processor uses Intel's double-core
Processor, standard configuration 32GB hard disks.Built-in miniature printer, testing result print out immediately, convenient and efficient.
Electrochemical detecting portion be divided into for potentiostatic circuit, constant current circuit, programming amplifying module, signal filter module,
Analog/digital module.The core of potentiostatic circuit, mainly by adder, follower power expansion and reference potential impedance
Converter forms.Constant current circuit uses high-accuracy and constant current circuit system, in order to ensure measuring accuracy, eliminates zero migration and misses
Difference increases constant current zeroing circuit on circuit.Programmable amplifying circuit is stablized with performance, wide good of programmable-gain range
Good performance.Signal filter circuit amplitude response is flat, and indicial response is preferable.The independence that analog/digital module uses in instrument
The method of operation and double sampled/hold mode, have been effectively isolated system noise, this is particularly important to High Speed Data Acquisition Circuit.
Photometry detection part is several by light source module, photoelectric switching circuit, signal filter module, analog/digital module etc.
Part forms.Light source module ensures the stability of light source using multi-channel control constant current circuit.Photoelectric switching circuit has been selected more
Road high precision photoelectric sensor and duplex high precision operational amplification circuit improve opto-electronic conversion precision, realize multichannel simultaneously
Detection.
The utility model multi-channel heavy metal detector is adopted the technical scheme that：
A kind of multi-channel heavy metal detector, its main feature is that：Multi-channel heavy metal detector includes computer, electrochemical process inspection
It surveys, photometry detection and power unit, computer are detected by the detection of orifice electrochemical process, photometry, supplied by power unit
Electricity, Electrochemical Detection and multichannel photometric detection are integrated in one, and realize electrochemical process detection, photometry detection while detecting.
The utility model multi-channel heavy metal detector can also adopt the following technical scheme that：
The multi-channel heavy metal detector, its main feature is that：Electrochemical Detection includes potentiostatic circuit, constant current electricity
Road, programming amplifying module, signal filter module, analog/digital module；The core of potentiostatic circuit by adder, follows
Device power expansion and reference potential impedance transformer composition；Constant current circuit uses high-accuracy and constant current circuit system, in circuit
On increase constant current zeroing circuit；Programmable amplifying circuit has stability energy；Signal filter circuit amplitude response is flat,
Indicial response；Analog/digital module uses independent operating mode and double sampled/hold mode.
The multi-channel heavy metal detector, its main feature is that：Photometry detection part is by light source module, opto-electronic conversion electricity
Road, signal filter module and analog/digital module composition；Light source module ensures the steady of light source using multi-channel control constant current circuit
It is qualitative；Photoelectric switching circuit has selected duplex high precision photoelectric sensor and duplex high precision operational amplification circuit, improves light
Electric conversion accuracy realizes that multichannel detects simultaneously.
The multi-channel heavy metal detector, its main feature is that：Multi-channel detection structure luminosity check bit is in instrument internal
Ambient light is avoided to interfere, Electrochemical Detection is that individual detection platform is connect by data line with computer interface.
The multi-channel heavy metal detector, its main feature is that：The multichannel photometric detection pond of multichannel photometric detection instrument
It is designed for two rows, often arranges 2-4 sense channel.
The multi-channel heavy metal detector, its main feature is that：Light path 10mm is placed in multichannel photometric detection pond extremely
The cuvette of 20mm, cuvette are positioned in cuvette set.
Multi-channel detection structure is that multichannel photometric detection and Electrochemical Detection are integrated in one, 8 channel luminosities detections and
One Electrochemical Detection channel composition.8 channel luminosity detections avoid ambient light from interfering positioned at instrument internal.8 channel luminosities
Detection cell is two rows of designs, often arranges 4 sense channels.Each sense channel can place the colorimetric of light path 10mm or 20mm
Ware.Different single wavelength light sources is selected in each channel, and multiple element may be implemented while detecting.Each channel source, detection
It is designed with partition board between sensor to separate, avoids the crosstalk between different channels.Electrochemical Detection is logical for individual detection platform
Data line is crossed to connect with instrument host.Small electrical chemical detection workbench connects host by 9 needle data lines and is not necessarily to external power supply,
Facilitate installation to carry, be equipped with automatic constant speed rotation function, convenient for enrichment detection.
The utility model has the advantages and positive effects of：
Multi-channel heavy metal detector is as a result of the completely new technical solution of the utility model, compared with prior art,
The utility model has the advantages that compact overall structure, function enhancing, detection speed is fast, and detection project is complete.
Description of the drawings
Fig. 1 is the utility model multi-channel heavy metal detector outline structural diagram；
Fig. 2 is the utility model multi-channel heavy metal detector internal structure schematic diagram；
Fig. 3 is that 8 channel luminosity detections are located at instrument interior structure schematic diagram；
Fig. 4 is photometric detection pool structure schematic diagram；
Fig. 5 is cuvette nested structure schematic diagram；
Fig. 6 is Electrochemical Detection Working table structure schematic diagram.
In Fig. 1,1, computer display screen, 2, mini-printer, 3, photometry detection window, 4, Electrochemical Detection workbench,
5,8 channel luminosity detection part,.
Specific implementation mode
For that can further appreciate that the utility model content, feature and effect of the utility model, the following examples are hereby given, and
It is described in detail with the accompanying drawings as follows：
Refering to attached drawing 1 to Fig. 6.
Embodiment 1
A kind of multi-channel heavy metal detector, including the detection of computer, electrochemical process, photometry detection and power unit, electricity
Brain is detected by orifice electrochemical process, photometry detects, and is powered by power unit, Electrochemical Detection and the inspection of multichannel luminosity
Survey is integrated in one, and realizes electrochemical process detection, photometry detection while detecting.Photometric detection uses multi-channel detection mode.It carries
High detection speed keeps detection project more complete.
The specific implementation process of the present embodiment multi-channel heavy metal detector：
Multi-channel heavy metal detector all-in-one machine includes computer display portion, electrochemical process detection part, photometry detection
Partly, power supply unit grades several parts composition.
Computer display portion uses built-in industrial computer, is based on Windows operating system, realizes friendly human-computer interaction circle
Face.Color touch liquid crystal display, band VGA/HDMI output interfaces can be independent double aobvious.Core processor uses Intel's double-core
Processor, standard configuration 32GB hard disks.Built-in miniature printer, testing result print out immediately, convenient and efficient.
Electrochemical detecting portion be divided into for potentiostatic circuit, constant current circuit, programming amplifying module, signal filter module,
Analog/digital module.The core of potentiostatic circuit, mainly by adder, follower power expansion and reference potential impedance
Converter forms.Constant current circuit uses high-accuracy and constant current circuit system, in order to ensure measuring accuracy, eliminates zero migration and misses
Difference increases constant current zeroing circuit on circuit.Programmable amplifying circuit is stablized with performance, wide good of programmable-gain range
Good performance.Signal filter circuit amplitude response is flat, and indicial response is preferable.The independence that analog/digital module uses in instrument
The method of operation and double sampled/hold mode, have been effectively isolated system noise, this is particularly important to High Speed Data Acquisition Circuit.
Photometry detection part is several by light source module, photoelectric switching circuit, signal filter module, analog/digital module etc.
Part forms.Light source module ensures the stability of light source using multi-channel control constant current circuit.Photoelectric switching circuit has been selected more
Road high precision photoelectric sensor and duplex high precision operational amplification circuit improve opto-electronic conversion precision, realize multichannel simultaneously
Detection.
Multi-channel detection structure is that multichannel photometric detection and Electrochemical Detection are integrated in one, 8 channel luminosities detections and
One Electrochemical Detection channel composition.8 channel luminosity detections avoid ambient light from interfering positioned at instrument internal (such as Fig. 3), electrification
Be detected as individual detection platform and connect with instrument host by data line.
Photometric detection pond：8 channel luminosity detection cells are two rows of designs, often arrange 4 sense channels, such as Fig. 4.Each channel
The different single wavelength light source of selection, multiple element may be implemented while detecting.It is set between each channel source, detection sensor
It is separated in respect of partition board, avoids the crosstalk between different channels.Each sense channel can place the ratio of light path 10mm or 20mm
Cuvette need to be first put into cuvette set by color ware when using the cuvette of light path 10mm, as Fig. 5, then entirety are put into luminosity
It can be detected in detection cell.
Electrochemical Detection workbench：Small electrical chemical detection workbench, such as Fig. 6.Facilitate installation to carry, is equipped with automatic constant speed
Rotation function, convenient for enrichment detection.Connecting host by 9 needle data lines can work without external power supply.Using 3 electrode detections
System makes that detection is more stable, precision higher.
The utility model selects two kinds of power supply modes of external power supply adapter and built-in lithium battery.
The present embodiment multi-channel heavy metal detector all-in-one machine, using including two kinds of assay methods of electrochemical process and photometry
It detects simultaneously；With the compact overall structure, function enhancing, detection speed is fast, and detection project is complete, and use scope is wide etc.
Good effect.
Claims (7)
1. a kind of multi-channel heavy metal detector, it is characterized in that：Multi-channel heavy metal detector includes computer, electrochemical process inspection
It surveys, photometry detection and power unit, computer are detected by the detection of orifice electrochemical process, photometry, supplied by power unit
Electricity, Electrochemical Detection and multichannel photometric detection are integrated in one, and realize electrochemical process detection, photometry detection while detecting.
2. multi-channel heavy metal detector all-in-one machine described in accordance with the claim 1, it is characterized in that：Electrochemical Detection includes permanent electricity
Position circuit, constant current circuit, programming amplifying module, signal filter module, analog/digital module；The core of potentiostatic circuit
Point, it is made of adder, follower power expansion and reference potential impedance transformer；Constant current circuit uses high-accuracy and constant electric current
Circuit system increases constant current zeroing circuit on circuit；Programmable amplifying circuit has stability energy；Signal filtered electrical
Road amplitude response is flat, indicial response；Analog/digital module uses independent operating mode and double sampled/hold mode.
3. multi-channel heavy metal detector all-in-one machine described in accordance with the claim 1, it is characterized in that：Photometry detection part is by light
Source module, photoelectric switching circuit, signal filter module and analog/digital module composition；Light source module is using the permanent electricity of multi-channel control
Current circuit ensures the stability of light source；Photoelectric switching circuit has selected duplex high precision photoelectric sensor and duplex high precision operation
Amplifying circuit improves opto-electronic conversion precision, realizes that multichannel detects simultaneously.
4. multi-channel heavy metal detector all-in-one machine described in accordance with the claim 1, it is characterized in that：Multichannel photometric detection includes
2-8 Air conduct measurement.
5. according to the multi-channel heavy metal detector all-in-one machine described in claim 1 or 4, it is characterized in that：Multi-channel detection structure
Photometric detection is located at instrument internal and ambient light is avoided to interfere, and Electrochemical Detection is that individual detection platform passes through data line and computer
Interface connects.
6. according to the multi-channel heavy metal detector all-in-one machine described in claim 1 or 4, it is characterized in that：Multichannel photometric detection
The multichannel photometric detection pond of instrument is two rows of designs, often arranges 2-4 sense channel.
7. multi-channel heavy metal detector all-in-one machine according to claim 6, it is characterized in that：In multichannel photometric detection pond
The cuvette of light path 10mm to 20mm is placed, cuvette is positioned in cuvette set.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820399504.9U CN207937436U (en) | 2018-03-22 | 2018-03-22 | A kind of multi-channel heavy metal detector |
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| CN201820399504.9U CN207937436U (en) | 2018-03-22 | 2018-03-22 | A kind of multi-channel heavy metal detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834789A (en) * | 2021-08-25 | 2021-12-24 | 成都信息工程大学 | Multi-channel heavy metal detection device and detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834789A (en) * | 2021-08-25 | 2021-12-24 | 成都信息工程大学 | Multi-channel heavy metal detection device and detection method |
| CN113834789B (en) * | 2021-08-25 | 2022-12-06 | 成都信息工程大学 | Multi-channel heavy metal detection device and detection method |
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