CN108872332A - A kind of portable lithium concentration measuring device - Google Patents
A kind of portable lithium concentration measuring device Download PDFInfo
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- CN108872332A CN108872332A CN201810790161.3A CN201810790161A CN108872332A CN 108872332 A CN108872332 A CN 108872332A CN 201810790161 A CN201810790161 A CN 201810790161A CN 108872332 A CN108872332 A CN 108872332A
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- lithium concentration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The present invention relates to water analysis technical fields, specifically disclose a kind of portable lithium concentration measuring device, including shell, the display module set on shell leading flank, the setup module set on shell leading flank and below display module, the power module and control module for being set in the housing portion, and the li-ion electrode and reference electrode that are connected with shell by cable.The present invention carries out the measurement of lithium concentration using li-ion electrode, and device has the advantages that small in size, analysis speed is fast, accuracy is high, detection limit is low, it can be achieved that hand-held In situ Measurement.
Description
Technical field
The invention belongs to water analysis technical fields, and in particular to a kind of portable lithium concentration measuring device.
Background technique
Conventional lithium concentration analysis method has atomic absorption method, atomic emissions method, inductively coupled plasma atomic emission
Method, inductively coupled plasma mass spectrometry, ion selective electrode method, chromatography of ions etc..Above-mentioned analysis method concentrates on substantially
Laboratory carries out, and cannot achieve In situ Measurement and mobile measurement, and there are analysis time it is longer the problems such as.To realize lithium concentration
On the spot, mobile measurement and the problems such as rapid survey, a kind of portable lithium concentration measuring device is invented in research, solves lithium concentration
Mobile In situ Measurement.
Summary of the invention
The purpose of the present invention is to provide a kind of portable lithium concentration measuring devices, and solution can not move, In situ Measurement is asked
Topic.
Technical scheme is as follows：
A kind of portable lithium concentration measuring device, for the measurement of lithium concentration in water analysis, including shell, display mould
Block, setup module, li-ion electrode, reference electrode, power module and control module；
The shell is rectangular parallelepiped structure, and display module is equipped on the leading flank of shell, on the leading flank of shell,
The lower section of display module is equipped with setup module, is equipped with power module and control module in the inside of shell；
The display module is oblong display screen, and the calibration result, measurement result and battery for display device are surplus
Remaining information about power；
The setup module includes on & off switch, set key, selection key and acknowledgement key, for being joined when device measures
The selection operation of digital modeling；
The set key includes calibration setting, measure setup, parameter setting and returns to setting function；The selection
Key includes upper direction key, lower direction key, left direction key and right direction key；The set key cooperation selection key carries out function choosing
It selects, function confirmation is carried out by determination key；
On & off switch switch used to control the device, while integrating the bright light display function of display module display screen；
The lithium-ion electric extremely ion selectivity half-cell electrode is located at hull outside, passes through cable and shell
Connection；The li-ion electrode is controlled measurement by control module, and by measurement feedback to control module, while aobvious
Show and is shown in module；
The reference electrode is located at hull outside, is connect by cable with shell；The reference electrode is by control mould
Block is controlled, and provides reference zero potential for li-ion electrode；
The power module is control module power supply；
The control module is fixed by screws in enclosure interior, as the control centre of device, by a series of
Circuit setting carrys out setting, calibration, measurement and the display of control device.
The li-ion electrode is carried out under the calibration mode of device using a series of lithium standard solution of various concentrations
Calibration carries out sample using the measurement signal value of li-ion electrode and the relationship of lithium concentration of standard solution under the measurement pattern of device
The measurement of lithium concentration in product.
When pressing on & off switch under device off-mode, self-check of device is simultaneously switched on, while display module display screen lights；
When pressing on & off switch under device open state, display module display screen can be waken up and lighted.
Unattended after lighting default ten seconds such as display module display screen, then display screen is automatically dimmed；The display screen
Shielding the bright time can be modified by control module.
The mode that the li-ion electrode and reference electrode is all made of the connection of plug-in interface is connected with shell, conveniently more
It changes and safeguards.
The power module is using the detachable battery being convenient for changing, or uses external power supply.
The size of the shell enables to survey crew's hand-held.
The li-ion electrode and reference electrode is cylindrical shape.
Corresponding analysis method is set by amendment and li-ion electrode is changed to other ion electrodes, it can be achieved that water
The measurement of concetration of other ions in matter analysis.
Other described ion electrodes be li-ion electrode, sodium ion electrode, potassium ion electrode, calcium ion electrode, copper from
Sub-electrode, barium ions electrode, lead ion electrode, ammonium ion electrode, fluoride ion electrode, chlorine ion electrode, Bromide Ion Selective Electrode, iodine from
Sub-electrode or nitrate ion electrode.
Remarkable result of the invention is：The present invention carries out the measurement of lithium concentration using li-ion electrode, and device has body
Product is small, analysis speed is fast, accuracy is high, detection limits low advantage, it can be achieved that hand-held In situ Measurement.In addition, by replacement from
Corresponding analysis method is arranged in sub-electrode and amendment, can expand the measurement applied to other ions.
Detailed description of the invention
Fig. 1 is measuring device schematic diagram of the present invention；
Fig. 2 is measuring device internal view of the present invention.
In figure：1. shell, 2. display modules, 3. setup modules, 4. li-ion electrodes, 5. reference electrodes, 6. power modules,
7. control module.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
A kind of portable lithium concentration measuring device as shown in Figure 1 and Figure 2, for the measurement of lithium concentration in water analysis, packet
Include shell 1, display module 2, setup module 3, li-ion electrode 4, reference electrode 5, power module 6, control module 7.
The shell 1 is rectangular parallelepiped structure, and plastic material is equipped with display module 2, in shell on the leading flank of shell 1
On the leading flank of body 1, the lower section of display module 2 be equipped with setup module 3, the inside of shell 1 be equipped with power module 6 and control mould
Block 7.The size of the shell 1 enables to survey crew's hand-held.
The display module 2 is oblong display screen, and the calibration result, measurement result and battery for display device are surplus
The information such as remaining electricity.
The setup module 3 includes on & off switch, set key, selection key and acknowledgement key, for carrying out when device measures
The selection operation of parameter mode.The selection key includes four, upper and lower, left and right direction key.The set key includes calibration
Setting, measure setup, parameter setting and return setting function, cooperation selection key carry out function selection, are carried out by determination key
Function confirmation.On & off switch switch used to control the device, while the bright light for integrating 2 display screen of display module shows function
Energy.When pressing on & off switch under device off-mode, self-check of device is simultaneously switched on, while 2 display screen of display module lights, such as aobvious
Display screen light default ten seconds after it is unattended, then display screen is automatically dimmed；When pressing on & off switch under device open state, it can call out
2 display screen of display module of waking up lights.The screen of the display screen bright time can be modified by control module 7.
The li-ion electrode 4 is ion selectivity half-cell electrode, and cylindrical shape passes through cable and shell 1
Connection facilitates the replacement and maintenance of li-ion electrode 4 by the way of the connection of plug-in interface.The li-ion electrode 4 by
Control module 7 is controlled, and measurement signal value is fed back to control module 7, while being shown on display module 2.
The li-ion electrode 4 by the calibration mode of device, using a series of various concentrations lithium standard solution into
Row calibration carries out the measurement of sample lithium concentration using the measurement pattern of device.
The reference electrode 5 is cylindrical shape, is connect by cable with shell 1, using the connection of plug-in interface
Mode facilitates the replacement and maintenance of reference electrode 5.The reference electrode 5 is controlled by control module 7, and is lithium ion
Electrode 4 provides reference zero potential.
The power module 6 is using the detachable battery being convenient for changing, or uses external power supply, is control module
7 power supplies.
The control module 7 is fixed by screws in inside shell 1, as the control centre of device, by a series of
Circuit setting realize setting, calibration, measurement and the display of control device.
The portable lithium concentration measuring device of the present invention controls device by control module 7, is zero with reference electrode 5
Current potential carries out the measurement of lithium concentration in sample using the measurement signal value of li-ion electrode 4 and the relationship of lithium concentration.In addition, logical
Amendment is crossed corresponding analysis method is arranged and li-ion electrode 4 is changed to other ion electrodes, for example, lithium, sodium, potassium, calcium,
Copper, barium, lead, ammonia, fluorine, chlorine, bromine, iodine, nitrate ion electrode, can also realize the measurement of concetration of other ions in water analysis.
Claims (10)
1. a kind of portable lithium concentration measuring device, the measurement for lithium concentration in water analysis, it is characterised in that：Including shell
(1), display module (2), setup module (3), li-ion electrode (4), reference electrode (5), power module (6) and control module
(7)；
The shell (1) is rectangular parallelepiped structure, display module (2) is equipped on the leading flank of shell (1), in shell (1)
On leading flank, the lower section of display module (2) be equipped with setup module (3), the inside of shell (1) be equipped with power module (6) and control
Molding block (7)；
The display module (2) is oblong display screen, calibration result, measurement result and remaining battery for display device
Information about power；
The setup module (3) includes on & off switch, set key, selection key and acknowledgement key, for being joined when device measures
The selection operation of digital modeling；
The set key includes calibration setting, measure setup, parameter setting and returns to setting function；The selection key packet
It includes and is directed toward key, lower direction key, left direction key and right direction key；The set key cooperation selection key carries out function selection, leads to
It crosses determination key and carries out function confirmation；
On & off switch switch used to control the device, while integrating the bright light display function of display module (2) display screen；
The li-ion electrode (4) is ion selectivity half-cell electrode, is located at shell (1) outside, passes through cable and shell
Body (1) connection；The li-ion electrode (4) is controlled measurement by control module (7), and gives measurement feedback to control mould
Block (7), while being shown on display module (2)；
The reference electrode (5) is located at shell (1) outside, is connect by cable with shell (1)；The reference electrode (5)
It is controlled by control module (7), provides reference zero potential for li-ion electrode (4)；
The power module (6) is control module (7) power supply；
The control module (7) is fixed by screws in shell (1) inside, as the control centre of device, by a series of
Circuit setting come control device setting, calibration, measurement and display.
2. a kind of portable lithium concentration measuring device as described in claim 1, it is characterised in that：The li-ion electrode
(4) it is calibrated under the calibration mode of device using a series of lithium standard solution of various concentrations, in the measurement pattern of device
The lower measurement signal value using li-ion electrode (4) and the relationship of lithium concentration of standard solution carry out the measurement of lithium concentration in sample.
3. a kind of portable lithium concentration measuring device as claimed in claim 2, it is characterised in that：When under device off-mode
When pressing on & off switch, self-check of device is simultaneously switched on, while display module (2) display screen lights；It is pressed out under device open state
When crucial, display module (2) display screen can be waken up and lighted.
4. a kind of portable lithium concentration measuring device as claimed in claim 3, it is characterised in that：As display module (2) are shown
Screen light default ten seconds after it is unattended, then display screen is automatically dimmed；The screen of the display screen bright time can be by controlling mould
Block (7) is modified.
5. a kind of portable lithium concentration measuring device as claimed in claim 4, it is characterised in that：The li-ion electrode
(4) it is all made of the mode that plug-in interface connects with reference electrode (5) and is connected with shell (1), be convenient for changing and safeguard.
6. a kind of portable lithium concentration measuring device as claimed in claim 5, it is characterised in that：The power module (6)
Using the detachable battery being convenient for changing, or use external power supply.
7. a kind of portable lithium concentration measuring device as claimed in claim 6, it is characterised in that：The size of the shell (1)
Enable to survey crew's hand-held.
8. a kind of portable lithium concentration measuring device as claimed in claim 7, it is characterised in that：The li-ion electrode
(4) and reference electrode (5) is cylindrical shape.
9. a kind of portable lithium concentration measuring device as described in any one of claims 1 to 8, it is characterised in that：Pass through amendment
Corresponding analysis method is set and li-ion electrode (4) is changed to other ion electrodes, it can be achieved that other in water analysis
The measurement of concetration of ion.
10. a kind of portable lithium concentration measuring device as claimed in claim 9, it is characterised in that：Other described ion-conductances
Extremely li-ion electrode, sodium ion electrode, potassium ion electrode, calcium ion electrode, cupric ion electrode, barium ions electrode, lead ion
Electrode, ammonium ion electrode, fluoride ion electrode, chlorine ion electrode, Bromide Ion Selective Electrode, Iodide Electrodes or nitrate ion electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790161.3A CN108872332A (en) | 2018-07-18 | 2018-07-18 | A kind of portable lithium concentration measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810790161.3A CN108872332A (en) | 2018-07-18 | 2018-07-18 | A kind of portable lithium concentration measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108872332A true CN108872332A (en) | 2018-11-23 |
Family
ID=64303292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810790161.3A Pending CN108872332A (en) | 2018-07-18 | 2018-07-18 | A kind of portable lithium concentration measuring device |
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| Country | Link |
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| CN (1) | CN108872332A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916975A (en) * | 2019-03-25 | 2019-06-21 | 河南科技大学 | A kind of portable calcium ion concentration detection device of number direct reading |
Citations (6)
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|---|---|---|---|---|
| US5804971A (en) * | 1996-03-01 | 1998-09-08 | Nomadics, Inc. | Modular card based meter |
| CN1504747A (en) * | 2002-11-29 | 2004-06-16 | 中国科学技术大学 | Ion concentration detecting instrument and detecting method |
| CN1920546A (en) * | 2006-09-15 | 2007-02-28 | 清华大学 | Hand-operated electrochemistry analyzer |
| CN101472672A (en) * | 2006-04-24 | 2009-07-01 | 法国电气公司 | Lithium ion-selective membrane |
| US20110036714A1 (en) * | 2006-06-12 | 2011-02-17 | Utah State University | Handheld Electrochemical Sensor |
| CN206862954U (en) * | 2017-06-09 | 2018-01-09 | 南京晓庄学院 | Food Portable heavy metal ion detection instrument instrument |
-
2018
- 2018-07-18 CN CN201810790161.3A patent/CN108872332A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5804971A (en) * | 1996-03-01 | 1998-09-08 | Nomadics, Inc. | Modular card based meter |
| CN1504747A (en) * | 2002-11-29 | 2004-06-16 | 中国科学技术大学 | Ion concentration detecting instrument and detecting method |
| CN101472672A (en) * | 2006-04-24 | 2009-07-01 | 法国电气公司 | Lithium ion-selective membrane |
| US20110036714A1 (en) * | 2006-06-12 | 2011-02-17 | Utah State University | Handheld Electrochemical Sensor |
| CN1920546A (en) * | 2006-09-15 | 2007-02-28 | 清华大学 | Hand-operated electrochemistry analyzer |
| CN206862954U (en) * | 2017-06-09 | 2018-01-09 | 南京晓庄学院 | Food Portable heavy metal ion detection instrument instrument |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109916975A (en) * | 2019-03-25 | 2019-06-21 | 河南科技大学 | A kind of portable calcium ion concentration detection device of number direct reading |
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Application publication date: 20181123 |