CN204575586U - A kind of integrated form screen printing electrode with agitating function detects handle - Google Patents
A kind of integrated form screen printing electrode with agitating function detects handle Download PDFInfo
- Publication number
- CN204575586U CN204575586U CN201520204593.3U CN201520204593U CN204575586U CN 204575586 U CN204575586 U CN 204575586U CN 201520204593 U CN201520204593 U CN 201520204593U CN 204575586 U CN204575586 U CN 204575586U
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- Prior art keywords
- electrode
- handle
- screen printing
- cylinder boss
- back cover
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- Expired - Fee Related
Links
- 238000007650 screen-printing Methods 0.000 title claims abstract description 39
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 229910021607 Silver chloride Inorganic materials 0.000 claims abstract description 15
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims abstract description 15
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 10
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 4
- 238000011049 filling Methods 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 9
- 240000007643 Phytolacca americana Species 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 241000123667 Campanula Species 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 17
- 238000001514 detection method Methods 0.000 abstract description 16
- 238000002156 mixing Methods 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002848 electrochemical method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 231100000693 bioaccumulation Toxicity 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001903 differential pulse voltammetry Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses a kind of integrated form screen printing electrode with agitating function and detect handle, described detection handle is integrated with screen printing electrode, external platinum to electrode, external Ag/AgCl contrast electrode, be arranged on mixing component between three and test chamber, mixing component comprises DC micromotor, solid bearing, stirring rod and connection silicone tube etc., and test chamber is threaded with handle bottom.The utility model and Portable heavy metal detector or electrochemical workstation etc. are connected to form detection system, can be used for the quick detection of water environment heavy metal, there is compact conformation, rationally distributed, easy for installation, be convenient to change screen printing electrode, liquid feeding is convenient, the features such as effective raising detection sensitivity, meet the portable demand of water environment heavy metal analysis, have great application prospect.
Description
Technical field
The utility model relates to electrochemical sensor field, particularly relates to a kind of integrated form screen printing electrode detection handle with agitating function that can be used for water environment heavy metal and detect fast.
Background technology
Current mankind scope of activities expanding day, various industry, agricultural and domestic refuse are discharged into river, lake and ocean; Inevitably cause Heavy Metal Pollution in Water Environment, and started to threaten environment for human survival.Heavy metal element has high toxicity, not easily metabolism, is easily bioaccumulation and has the features such as biological amplification, serious harm ecologic environment and human health, in the urgent need to the field quick detection of water environment heavy metal.
Although spectrophotometric method conventional at present, spectroscopic methodology, mass spectroscopy are the major criterion methods of test in laboratory content of beary metal, but its apparatus expensive, sample pre-treatments is complicated, need extraction, enrichment method or suppress disturbing factor, equipment volume is larger simultaneously, portability is poor, and experimental situation requires harsh, cannot detect natural water samples content of beary metal at the scene.By comparison, electrochemical method has that instrument and equipment is simple, and cost is low, easily is automated detection, is easy to carry, simultaneously highly sensitive, selectivity good, is applicable to Site Detection, now become one of most important method of water environment heavy metal Site Detection.
Screen printing electrode can be produced in batches, reduce testing cost, and have good consistance and stability, but serviceable life is limited, needs often to change.Meanwhile, due to restrictions such as processing technologys, contrast electrode and sometimes can not meet testing requirement to electrode performance on the sheet of current screen printing electrode, now needs to use external contrast electrode or to electrode.Based on above reason, in original heavy metal detection system, screen printing electrode can only be used for laboratory.
Three-electrode system in original system is isolating construction, is connected takes method of clamping with instrument, loosely organized, and contact impedance is unstable, and between electrode, position is not fixed relatively, easily causes the change of inter-electrode impedance character, causes metrical error.
Summary of the invention
The purpose of this utility model is, for the deficiency of existing electrode system structure, to provide one and be convenient to onsite application, quick distachable, compact conformation, and the removable integrated form of screen printing electrode detects handle.The utility model can be used in the heavy metal rapid detection apparatus system of on-the-spot water environment, simultaneously the service condition of the test in laboratory system such as compatible electrochemical workstation.
The purpose of this utility model is achieved through the following technical solutions: a kind of integrated form screen printing electrode with agitating function detects handle, comprise handle back cover, stirring rod, screen printing electrode, external platinum to electrode and external Ag/AgCl contrast electrode, described handle back cover is campanula halleri Halleri, inner hollow; Back cover string holes is had on the top of handle back cover; The bottom of handle back cover has detachable handle bottom; The lower surface of described handle bottom has the first hollow cylinder boss, and the lateral surface of described first cylinder boss is threaded connection organic glass test chamber; The upper surface of described handle bottom has the second hollow cylinder boss, and the inner radius of described first cylinder boss is greater than the outer radius of the second cylinder boss; The handle bottom of the inner side correspondence of the second cylinder boss has the circular poke hole concentric with handle bottom, the handle bottom that the region between the inner side of the first cylinder boss and the outside of the second cylinder boss is corresponding has three electrode holes; Second cylinder boss is embedded with solid bearing; The upper surface of described second cylinder boss is fixedly connected with PCB terminal block; Described PCB terminal block fixes DC micromotor by two copper posts; At handle back cover and handle bottom joint ring cutting triangle filling opening; The described summit of triangle filling opening on handle bottom is positioned at the first cylinder boss; Described stirring rod through poke hole, solid bearing and PCB terminal block, is flexibly connected by the shaft of silicone tube and DC micromotor successively; Described screen printing electrode, external platinum are each passed through electrode hole to electrode with external Ag/AgCl contrast electrode and are fixedly connected with PCB terminal block; Described screen printing electrode, the external platinum perform region to electrode and external Ag/AgCl contrast electrode flushes, and is all drawn from the string holes handle back cover by signal shielding line; The control lead-in wire of described DC micromotor is drawn from the string holes handle back cover.
Further, described screen printing electrode is fixed on PCB terminal block by 2.54mm bus slot.
Further, described screen printing electrode surface is covered with to contrast electrode and working electrode on electrode, sheet on sheet, and three electrodes are drawn by pad, and solder pad space length is 2.54mm.
The beneficial effects of the utility model are: the utility model adopts the integrated form with insertion slot type interface to detect handle, in conjunction with screen printing electrode, selected and signal shielding by signal path, improve the availability of screen printing electrode in water environment heavy metal field quick detection.Integrated handle adopts the mixing component with solid bearing, realizes the mass transfer rate that detection system is higher.The utility model electrode signal path and Electric Machine Control path are isolated, and improve electrode signal quality, being connected simultaneously, realizing the alternative of electrode signal path by choosing Different electrodes.The utility model is connected with Portable heavy metal detector, can realize the field quick detection of water environment heavy metal.
Accompanying drawing explanation
Fig. 1 is the assembly drawing that the utility model integrated form detects handle;
Fig. 2 is chart at the bottom of of the present utility model;
Fig. 3 is key components and parts of the present utility model diagram;
Fig. 4 is the lower surface of the utility model handle bonnet;
Fig. 5 is the upper surface of the utility model handle bonnet;
In figure, handle back cover 1, back cover string holes 2, filling opening 3, organic glass test chamber 4, stirring rod 5, handle bottom 6, DC micromotor 7, screen printing electrode 8, external platinum to electrode 9, external Ag/AgCl contrast electrode 10, copper post 11, PCB terminal block 12, first cylinder boss 13, electrode hole 14, poke hole 15, the second cylinder boss 16.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As Figure 1-5, a kind of integrated form screen printing electrode with agitating function of the utility model detects handle, comprise handle back cover 1, stirring rod 5, screen printing electrode 8, external platinum to electrode 9 and external Ag/AgCl contrast electrode 10, described handle back cover 1 is campanula halleri Halleri, inner hollow; Back cover string holes 2 is had on the top of handle back cover 1; The bottom of handle back cover 1 has detachable handle bottom 6; The lower surface of described handle bottom 6 has the first hollow cylinder boss 13, and the lateral surface of described first cylinder boss 13 is threaded connection organic glass test chamber 4; The upper surface of described handle bottom 6 has the second hollow cylinder boss 16, and the inner radius of described first cylinder boss 13 is greater than the outer radius of the second cylinder boss 16; The handle bottom 6 of the inner side correspondence of the second cylinder boss 16 has the circular poke hole 15 concentric with handle bottom 6, the handle bottom 6 that the region between the inner side of the first cylinder boss 13 and the outside of the second cylinder boss 16 is corresponding has three electrode holes 14; Second cylinder boss 16 is embedded with solid bearing; The upper surface of described second cylinder boss 16 is fixedly connected with PCB terminal block 12; Described PCB terminal block 12 fixes DC micromotor 7 by two copper posts 11; At handle back cover 1 and handle bottom 6 joint ring cutting triangle filling opening 3; The described summit of triangle filling opening 3 on handle bottom 6 is positioned at the first cylinder boss 13; Described stirring rod 5 through poke hole 15, solid bearing and PCB terminal block 12, is flexibly connected by the shaft of silicone tube and DC micromotor 7 successively; Described screen printing electrode 8, external platinum are each passed through electrode hole 14 to electrode 9 with external Ag/AgCl contrast electrode 10 and are fixedly connected with PCB terminal block 12; Described screen printing electrode 8, the external platinum perform region to electrode 9 and external Ag/AgCl contrast electrode 10 flushes, and is all drawn from the string holes 2 handle back cover 1 by signal shielding line; The control lead-in wire of described DC micromotor 7 is drawn from the string holes 2 handle back cover 1.
Embodiment
Described external Ag/AgCl contrast electrode 10 uses saturated KCl solution to do internal-filling liquid; Described screen printing electrode 8 is fixed on PCB terminal block 12 by 2.54mm bus slot; Described screen printing electrode 8 surface is covered with to contrast electrode and working electrode on electrode, sheet on sheet, and three electrodes are drawn by pad, and solder pad space length is 2.54mm; Described handle back cover 1 and handle bottom 6 all use insulating and heat-conducting plastics.
The course of work of the present utility model is as follows:
The utility model integrated form detects handle and is mainly integrated with screen printing electrode 8, external Ag/AgCl contrast electrode 10, external platinum to parts such as electrode 9, mixing component, organic glass test chambers 4, screen printing electrode 8, external Ag/AgCl contrast electrode 10, external platinum are integrated in detect in handle to electrode 9, mixing components, organic glass test chamber 4 is threadedly connected to the first cylinder boss 13 on handle bottom 6, and handle leaves filling opening 3.
Mixing component is the diffusion mass transfer speed in order to accelerate on electrode, thus meets the demand detected fast.Mixing component is made up of parts such as DC micromotor 7, solid bearing, stirring rod 5, silica gel hose and copper posts 11, and wherein solid bearing is positioned at the second cylinder boss 16 of handle bottom, and fixing stirring rod 5, stablizes mixing effect.Silica gel hose is used to flexibly connect between DC micromotor 7 and stirring rod 5, the convenient installation when ensureing not affect machine operation.DC micromotor 7 control line is individually shielded draws from back cover string holes 2, reduces the interference to electrode signal.
Described screen printing electrode 8 is connected with 2.54mm slot in handle head.Described detection handle back cover 1 and handle bottom 6 all use insulating and heat-conducting plastics, dispel the heat to accelerate inside micro direct current generator 7, and handle leaves filling opening 3 simultaneously, conveniently add sample and use mark-on method to test sample.Test chamber 4 uses organic glass, corrosion-resistant, facilitates working condition in observation test chamber 4 simultaneously.
During use, according to application need to choose detect on screen printing electrode 8 working electrode of handle, sheet on external Ag/AgCl contrast electrode 10 and sheet or external platinum to electrode 9, and by its accordingly lead-in wire connect one to one with three electrode terminal of electrochemical workstation or Portable heavy metal detector.The mixing control interface of stirring interface or Portable heavy metal detector that control lead-in wire and the electrochemical workstation electrolytic cell of DC micromotor 7 control output interface is connected.By filling opening 3, testing sample is added organic glass test chamber 4, checkout equipment detects leaching ability of heavy metal volt-ampere curve by electrochemical methods such as differential pulse voltammetries, and chooses agitating function as required.When adopting mark-on method to detect heavy metal, after can being detected before mark-on, carry out mark-on operation by filling opening 3, then by agitating function rapid mixing solution, detect after carrying out mark-on.Screen printing electrode 8 needs when exceeding serviceable life are changed in time, namely pull out the screen printing electrode 8 namely inserted and more renew.Each sample detection completes to be needed to clean organic glass test chamber 4, avoids sample contamination.
Claims (3)
1. an integrated form screen printing electrode with agitating function detects handle, it is characterized in that, comprise handle back cover (1), stirring rod (5), screen printing electrode (8), external platinum to electrode (9) and external Ag/AgCl contrast electrode (10), described handle back cover (1) is campanula halleri Halleri, inner hollow; Back cover string holes (2) is had on the top of handle back cover (1); The bottom of handle back cover (1) has detachable handle bottom (6); The lower surface of described handle bottom (6) has hollow the first cylinder boss (13), and the lateral surface of described first cylinder boss (13) is threaded connection organic glass test chamber (4); The upper surface of described handle bottom (6) has hollow the second cylinder boss (16), and the inner radius of described first cylinder boss (13) is greater than the outer radius of the second cylinder boss (16); The handle bottom (6) of the inner side correspondence of the second cylinder boss (16) has the circular poke hole (15) concentric with handle bottom (6), the handle bottom (6) that the region between the inner side and the outside of the second cylinder boss (16) of the first cylinder boss (13) is corresponding has three electrode holes (14); Second cylinder boss (16) is embedded with solid bearing; The upper surface of described second cylinder boss (16) is fixedly connected with PCB terminal block (12); By the fixing DC micromotor (7) of two copper posts (11) on described PCB terminal block (12); In handle back cover (1) and handle bottom (6) joint ring cutting triangle filling opening (3); The described summit of triangle filling opening (3) on handle bottom (6) is positioned at the first cylinder boss (13); Described stirring rod (5) through poke hole (15), solid bearing and PCB terminal block (12), is flexibly connected by the shaft of silicone tube and DC micromotor (7) successively; Described screen printing electrode (8), external platinum are each passed through electrode hole (14) to electrode (9) with external Ag/AgCl contrast electrode (10) and are fixedly connected with PCB terminal block (12); Described screen printing electrode (8), the external platinum perform region to electrode (9) and external Ag/AgCl contrast electrode (10) flushes, and is all drawn from the string holes (2) handle back cover (1) by signal shielding line; The control lead-in wire of described DC micromotor (7) is drawn from the string holes (2) handle back cover (1).
2. a kind of integrated form screen printing electrode with agitating function detects handle according to claim 1, and it is characterized in that, described screen printing electrode (8) is fixed on PCB terminal block (12) by 2.54mm bus slot.
3. a kind of integrated form screen printing electrode with agitating function detects handle according to claim 1, it is characterized in that, described screen printing electrode (8) surface is covered with on sheet contrast electrode and working electrode on electrode, sheet, three electrodes are drawn by pad, and solder pad space length is 2.54mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204593.3U CN204575586U (en) | 2015-04-07 | 2015-04-07 | A kind of integrated form screen printing electrode with agitating function detects handle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520204593.3U CN204575586U (en) | 2015-04-07 | 2015-04-07 | A kind of integrated form screen printing electrode with agitating function detects handle |
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| Publication Number | Publication Date |
|---|---|
| CN204575586U true CN204575586U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520204593.3U Expired - Fee Related CN204575586U (en) | 2015-04-07 | 2015-04-07 | A kind of integrated form screen printing electrode with agitating function detects handle |
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| Country | Link |
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| CN (1) | CN204575586U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777204A (en) * | 2015-04-07 | 2015-07-15 | 浙江大学 | Integrated screen-printed electrode detection handle with stirring function |
| CN114509477A (en) * | 2021-12-29 | 2022-05-17 | 桐庐雷泰生物科技有限公司 | Electrochemical rapid detection equipment for capsaicin |
-
2015
- 2015-04-07 CN CN201520204593.3U patent/CN204575586U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777204A (en) * | 2015-04-07 | 2015-07-15 | 浙江大学 | Integrated screen-printed electrode detection handle with stirring function |
| CN104777204B (en) * | 2015-04-07 | 2017-09-01 | 浙江大学 | Integrated form screen printing electrode detection handle with agitating function |
| CN114509477A (en) * | 2021-12-29 | 2022-05-17 | 桐庐雷泰生物科技有限公司 | Electrochemical rapid detection equipment for capsaicin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20180407 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |