CN106770594A - Electrochemical sensor - Google Patents
Electrochemical sensor Download PDFInfo
- Publication number
- CN106770594A CN106770594A CN201710161860.7A CN201710161860A CN106770594A CN 106770594 A CN106770594 A CN 106770594A CN 201710161860 A CN201710161860 A CN 201710161860A CN 106770594 A CN106770594 A CN 106770594A
- Authority
- CN
- China
- Prior art keywords
- lid
- rubber cushion
- soft rubber
- electrochemical reaction
- stomata
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003487 electrochemical reaction Methods 0.000 claims abstract description 49
- 239000004020 conductor Substances 0.000 claims abstract description 40
- 239000000428 dust Substances 0.000 claims description 9
- 230000005518 electrochemistry Effects 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 12
- 238000001514 detection method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 208000012839 conversion disease Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002795 fluorescence method Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- G01N27/416—Systems
- G01N27/4162—Systems investigating the composition of gases, by the influence exerted on ionic conductivity in a liquid
Abstract
A kind of electrochemical sensor, it is characterized in that, it includes the first lid and the second lid, first lid and the second lid pairing are set, accommodating cavity is formed between it, the stomata admitted air into accommodating cavity is provided with the first lid and/or the second lid, electrochemical reaction piece is provided with accommodating cavity, electrochemical reaction piece is contacted with the first lid by the first conductors and is connected, electrochemical reaction piece is contacted with the second lid by the second conductors and is connected, the insulated ring for making the first lid isolate with the second lid is provided between the first lid and the second lid, when air is entered in accommodating cavity by stomata, there is electrochemical reaction with electrochemical reaction piece and produce current signal in air, the current signal of generation is conducted to the first lid and the second lid by first conductors and the second conductors.Electrochemical sensor of the invention carries out electric current conduction by the first lid and the second lid, and it not only simplify structure and cost, and can simplify installation difficulty.
Description
【Technical field】
The present invention relates to sensor, more particularly to a kind of electrochemical sensor.
【Background technology】
With the development and the improvement of people's living standards of social economy, requirement of the people to air quality is also increasingly
It is high.Quickly and accurately detect that air quality has great importance for human lives and health.It is well known that the danger of formaldehyde
Evil is huge, and it is the inducement of numerous diseases, therefore, in Detection of Air Quality, formaldehyde examination is an important Testing index.Formaldehyde
Detection method mainly have AAS, electrochemical reaction method, fluorescence method, chromatography, sensor method.Wherein, sensor method
It is to be detected using sensor.In Detection of Air Quality, the detection of sundry item can be similarly used to sensor.It is existing
Some Detection of Air Quality sensors, its generally existing complex structure and other problems, and it typically uses platinum wire as electricity
Stream output, so as to be installed by way of wiring, its not only relatively costly, complex structure, and also wiring installation is not enough just
Profit.
【The content of the invention】
Present invention seek to address that above mentioned problem, and a kind of simple structure, low cost, electrochemical sensing easy for installation are provided
Device.
To achieve the above object, the invention provides a kind of electrochemical sensor, it is characterised in that it includes the first lid
With the second lid, first lid and the second lid pairing are set, and accommodating cavity are formed between it, in first lid
And/or second lid be provided with the stomata admitted air into the accommodating cavity, it is anti-to be provided with electrochemistry in the accommodating cavity
Piece, the electrochemical reaction piece is answered to be contacted with first lid by the first conductors and be connected, the electrochemical reaction piece leads to
The second conductors are crossed to be connected with second lid contact, when air is entered in the accommodating cavity by the stomata, air
There is electrochemical reaction with the electrochemical reaction piece and produce current signal, the current signal of generation passes through first conductor
Part and the second conductors and conduct to first lid and the second lid.
The insulated ring for making the first lid isolate with the second lid is provided between first lid and the second lid.
First lid and the second lid are made up of metal material.
The first soft rubber cushion is provided between first lid and the electrochemical reaction piece, first soft rubber cushion is by exhausted
Edge material is made, and first conductors pass through first soft rubber cushion or bypass first soft rubber cushion and cause the first conductor
One end of part is connected with the electrochemical reaction piece, and its one end is then connected with first lid.
The second soft rubber cushion is provided between second lid and the electrochemical reaction piece, second soft rubber cushion is by exhausted
Edge material is made, and second conductors pass through second soft rubber cushion or bypass second soft rubber cushion and cause the second conductor
One end of part is connected with the electrochemical reaction, and the other end is connected with second lid.
The stomata is provided with the second through hole on second lid in second soft rubber cushion, and described second leads to
Hole and the stomata insertion, it is anti-that it causes that air can occur electrochemistry by stomata entrance with the electrochemical reaction piece
Should.
First through hole is provided with first soft rubber cushion, filtration members are provided with the first through hole.
First lid includes the first main part and the first bending for being bent by the first main part edge-perpendicular and being formed
Portion, second lid includes the second main part and the second kink for being bent by the second main part edge-perpendicular and being formed, institute
The outer wall and the inwall of second kink for stating insulated ring fit, at the end of the direction of the insulated ring first lid
Portion is provided with annular groove, and the first kink of first lid is plugged in the annular groove.
Dust guard is provided with the stomata and/or on the outside of stomata and/or on the inside of stomata.
Favorable attributes of the invention are that it efficiently solves above mentioned problem.Electrochemical sensor of the invention is by the
One lid and the second lid carry out electric current conduction, and it not only simplify structure and cost, and can simplify installation difficulty, and it has
The features such as simple structure, processing and fabricating facilitate, easily vigorously implements.
【Brief description of the drawings】
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is structure sectional view of the invention.
Fig. 3 is overall structure decomposing schematic representation of the invention.
Wherein, the first lid 10, the first main part 11, the first kink 12, the second lid 20, the second main part 21,
Two kinks 22, electrochemical reaction piece 30, the first conductors 40, the second conductors 50, insulated ring 60.Annular groove 61, first
Soft rubber cushion 70, first through hole 71, the second soft rubber cushion 80, the second through hole 81, filtration members 91, dust guard 92, stomata 100.
【Specific embodiment】
The following example is explained further and supplements to of the invention, and the present invention is not limited in any way.
As shown in FIG. 1 to 3, electrochemical sensor of the invention is mainly used in air detection, is installed on air detection instrument
Used in device, it includes the first lid 10, the second lid 20, electrochemical reaction piece 30, the first conductors 40, the second conductor
Part 50, insulated ring 60.Further, it may also include the first soft rubber cushion 70, the second soft rubber cushion 80, filtration members 91 and dust guard
92。
Specifically, the pairing of 10 and second lid of the first lid 20 is set, being formed between it can put miscellaneous part
Accommodating cavity.The lid 20 of first lid 10 and second is not directly contacted with, be provided between it insulated ring 60 make it possible to electricity every
Leave.The lid 20 of first lid 10 and second is made up of metal material, and it can be used for conduction.The electrochemical reaction piece 30
In the accommodating cavity, it passes through the first conductors 40 and is connected with first lid 10 contact, and it passes through the second conductors
50 with second lid 20 contact be connected, be provided with the lid 20 of first lid 10 and/or second admit air into
Stomata 100 in the storage tank, when air is entered in the storage tank by stomata 100, it is anti-with the electrochemistry
Answer piece 30 that electrochemical reaction occurs and current signal is produced, so as to can be passed by the conductors 50 of first conductors 40 and second
It is directed at the first lid 10 and the second lid 20.
In the present embodiment, first lid 10 is integrally made up of the first main part 11 and the first kink 12.Described
One main part 11 is in tabular, and first kink 12 is bent by the edge-perpendicular of the first main part 11 and formed.Described
One main part 11 can rounded, square or other shapes, the present embodiment is preferably circular.Second lid 20 is by the second main body
The one of 21 and second kink of portion 22 is constituted, and second main part 21 is in tabular, and second kink 22 is by the second master
The edge-perpendicular in body portion 21 bends and is formed.Second main part 21 can rounded, square or other shapes, the present embodiment is excellent
Elect circle as.In the present embodiment, the insulated ring 60 is arranged in second lid 20, the outer wall of insulated ring 60 and described
The inwall of two kinks 22 fits.It is the first lid 10 of connection, in the present embodiment, in the direction of the insulated ring 60 described the
The end of one lid 10 is provided with annular groove 61, and the first kink 12 of first lid 10 is plugged in the annular groove
In 61.To prevent the second lid 20 from being separated automatically with the first lid 10, the free end court of second kink 22 inside contracts, so that
So that the second lid 20 be difficult when under being acted on without external force it is automatic separated with the insulated ring 60, and then may be such that the first lid
10th, insulated ring 60, the second lid 20 are closely linked.
In other embodiments, the lid 20 of first lid 10 and second can be configured as other forms, and it passes through it
His mode is connected with the insulated ring 60.For example, annular groove can be respectively provided with the opposite end of the insulated ring 60
61, the kink 22 of first kink 12 and second is plugged in the annular groove 61 and causes triplicity one respectively
Rise, and cause that the first lid 10 and the second lid 20 are electrically isolated from.And for example, the insulated ring 60 can construct stepped, one
End is threadedly coupled with first lid 10, and its other end is threadedly coupled with second lid 20, so as to also may be such that three
It is combined together, and causes that the first lid 10 and the second lid 20 are electrically isolated from.First lid 10, the second lid 20 and absolutely
The specific constructive form of edge circle 60 is not limited, and it is mainly used in realizing connection, and cause the first lid 10 and the electricity of the second lid 20 every
Leave.
To admit air into the accommodating cavity, gas can be set on the lid 20 of first lid 10 and/or second
Hole 100.In the present embodiment, the stomata 100 is provided with the center position of second lid 20.In other embodiment, institute
Stomata 100 is stated to may also set up at the other positions of the lid 20 of first lid 10 or second.
To prevent dust from entering in the accommodating cavity, dust guard 92 is provided with the stomata 100.The dust guard 92 can
Located at the outside of the stomata 100, the inner side of the stomata 100 is may also be arranged on, may also set up in the stomata 100, its
Can be configured according to the structure of the dust guard 92 selected.In the present embodiment, the dust guard 92 selects dustcloth, and it passes through
Known mode is fixed at the outside of the stomata 100, that is, be fixed on the outer surface of second lid 20.
The electrochemical reaction piece 30 is installed in the accommodating cavity, and it can select known electrochemical reaction piece 30.Example
Such as, when it is used to detect formaldehyde, the electrochemical reaction piece 30 can select can occur the pole piece of electrochemical reaction with formaldehyde gas.
To install the electrochemical reaction piece 30, it is provided between the electrochemical reaction piece 30 and first lid 10
First soft rubber cushion 70, is provided with the second soft rubber cushion 80 between the electrochemical reaction piece 30 and second lid 20.Described
One soft rubber cushion 70 is made up with second soft rubber cushion 80 of insulating materials.The second through hole is provided with second soft rubber cushion 80
81, second through hole 81 and the insertion of the stomata 100, it causes that extraneous air can flow to the electrification by stomata 100
Learn the surface of reaction plate 30.The shape and size of second through hole 81 are not limited, and in the present embodiment, second through hole 81 is located at
The center of second soft rubber cushion 80, its size is more than the size of the stomata 100, so that air is anti-with the electrochemistry
Answer the contact area of piece 30 bigger.First through hole 71 is provided with first soft rubber cushion 70, is set in the first through hole 71
There are filtration members 91.The filtration members 91 can select known filtration members 91.
In the present embodiment, the relative two ends of the electrochemical reaction piece 30 respectively with first soft rubber cushion 70 and second
Soft rubber cushion 80 fits contact, and the outer wall of the electrochemical reaction piece 30 then fits with the inwall of the insulated ring 60 and contacts.
To conduct the current signal produced on electrochemical reaction piece 30, being connected with first on the electrochemical reaction piece 30 leads
The conductors 50 of body part 40 and second.
One end of first conductors 40 is connected with the electrochemical reaction piece 30, and its other end is soft through described first
Rubber cushion 70 bypasses first soft rubber cushion 70 and is connected with first lid 10.In the present embodiment, first conductors
40 one end is located at and is connected with the electrochemical reaction piece 30 between first soft rubber cushion 70 and electrochemical reaction piece 30, its
The other end extends out to the export-oriented direction of first lid 10 bending of electrochemical reaction piece 30 and again vertical bending and extends to first
It is connected with first lid 10 between lid 10 and first soft rubber cushion 70.One end of second conductors 50 is located at
It is connected with the electrochemical reaction piece 30 between first soft rubber cushion 70 and electrochemical reaction piece 30, its other end extends
To the bending of the export-oriented direction of second lid 20 of electrochemical reaction piece 30 and vertically bend again and extend to the second lid 20 with it is described
It is connected with second lid 20 between second soft rubber cushion 80.In other embodiment, also can be in the He of the first soft rubber cushion 70
Perforation is set in the second soft rubber cushion 80 so that the first electric conductor and the second electric conductor are soft through first soft rubber cushion 70 and second
Rubber cushion 80 and be connected with the lid 20 of first lid 10 and second.In other embodiment, can also make institute first conductive
Body and the second electric conductor are connected with the lid 20 of first lid 10 and second respectively by the through hole 81 of first through hole 71 and second
Connect.First electric conductor and the second electric conductor are used to connect the lid 10 of electrochemical reaction piece 30 and first and the second lid 20,
Its is various informative, is not limited to that the specific example enumerated in the present embodiment.First electric conductor and the second electric conductor are used
In conduction, it is made up of conductor material, and its physical form can be sheet metal, metal wire etc..
Take this, just form electrochemical sensor of the invention.When using, air is entered to accommodating by the stomata 100
Contacted in chamber and with the surface of the electrochemical reaction piece 30, so as to electrochemical reaction piece 30 on material occur electrochemistry it is anti-
Should, so as to produce current signal.The current signal of generation is conducted to first by the first conductors 40 and the second conductors 50
The lid 20 of lid 10 and second, so as to being transferred to miscellaneous part by the first lid 10 and the second lid 20, such as analysis module,
So as to realize that the reaction conversions between air and electrochemical reaction piece 30 are exported into electric current, and then can be divided by current signal
Separate out air respective conditions.Electrochemical sensor of the invention carries out electric current conduction by the first lid 10 and the second lid 20,
It not only simplify structure and cost, and can simplify installation difficulty, and electrochemical sensor of the invention has simple structure, adds
The features such as work is easy to make, easily vigorously implements.
Although being disclosed to the present invention by above example, the scope of the present invention is not limited thereto,
Under conditions of present inventive concept, each component of the above can with art personnel understand similar or equivalent element come
Replace.
Claims (9)
1. a kind of electrochemical sensor, it is characterised in that it includes the first lid (10) and the second lid (20), first lid
Body (10) and second lid (20) pairing are set, and accommodating cavity are formed between it, in first lid (10) and/or second
Lid (20) is provided with the stomata (100) admitted air into the accommodating cavity, and it is anti-to be provided with electrochemistry in the accommodating cavity
Piece (30) is answered, the electrochemical reaction piece (30) is contacted with first lid (10) by the first conductors (40) and is connected, institute
State electrochemical reaction piece (30) to be connected with second lid (20) contact by the second conductors (50), when air is by the gas
Hole (100) is entered to when in the accommodating cavity, and air occurs electrochemical reaction and produces electricity with the electrochemical reaction piece (30)
Stream signal, the current signal of generation is conducted to the described first lid by first conductors (40) and the second conductors (50)
Body (10) and the second lid (20).
2. electrochemical sensor as claimed in claim 1, it is characterised in that in first lid (10) and the second lid
(20) insulated ring (60) for making the first lid (10) isolate with the second lid (20) is provided between.
3. electrochemical sensor as claimed in claim 1, it is characterised in that first lid (10) and the second lid (20)
It is made up of metal material.
4. electrochemical sensor as claimed in claim 1, it is characterised in that in first lid (10) and the electrochemistry
The first soft rubber cushion (70) is provided between reaction plate (30), first soft rubber cushion (70) is made up of insulating materials, and described first leads
Body part (40) is through first soft rubber cushion (70) or bypasses first soft rubber cushion (70) and causes the first conductors (40)
One end is connected with the electrochemical reaction piece (30), and its one end is then connected with first lid (10).
5. electrochemical sensor as claimed in claim 1, it is characterised in that in second lid (20) and the electrochemistry
The second soft rubber cushion (80) is provided between reaction plate (30), second soft rubber cushion (80) is made up of insulating materials, and described second leads
Body part (50) is through second soft rubber cushion (80) or bypasses second soft rubber cushion (80) and causes the second conductors (50)
One end is connected with the electrochemical reaction, and the other end is connected with second lid (20).
6. electrochemical sensor as claimed in claim 5, it is characterised in that the stomata (100) is located at second lid
(20) on, it is provided with the second through hole (81) on second soft rubber cushion (80), second through hole (81) and the stomata (100)
Insertion, it causes that air can be entered by the stomata (100) and electrochemical reaction occurs with the electrochemical reaction piece (30).
7. electrochemical sensor as claimed in claim 4, it is characterised in that be provided with first on first soft rubber cushion (70)
Through hole (71), filtration members (91) are provided with the first through hole (71).
8. electrochemical sensor as claimed in claim 1, it is characterised in that first lid (10) includes the first main part
(11) the first kink (12) for and by the bending of the first main part (11) edge-perpendicular being formed, second lid (20) includes
Second main part (21) and the second kink (22) for being bent by the second main part (21) edge-perpendicular and being formed, the insulated ring
(60) outer wall fits with the inwall of second kink (22), in the direction of the insulated ring (60) first lid
(10) end is provided with annular groove (61), and it is recessed that first kink (12) of first lid (10) is plugged in the annular
In groove (61).
9. electrochemical sensor as claimed in claim 1, it is characterised in that in the stomata (100) and/or stomata
(100) outside and/or stomata (100) inner side are provided with dust guard (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710161860.7A CN106770594A (en) | 2017-03-17 | 2017-03-17 | Electrochemical sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710161860.7A CN106770594A (en) | 2017-03-17 | 2017-03-17 | Electrochemical sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106770594A true CN106770594A (en) | 2017-05-31 |
Family
ID=58967570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710161860.7A Pending CN106770594A (en) | 2017-03-17 | 2017-03-17 | Electrochemical sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106770594A (en) |
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| CN101776640A (en) * | 2010-02-01 | 2010-07-14 | 北京亚都空气污染治理技术有限公司 | Formaldehyde gas sensor |
| TWM394599U (en) * | 2010-04-28 | 2010-12-11 | Hon Hai Prec Ind Co Ltd | Electrical connector |
| CN104181219A (en) * | 2014-08-29 | 2014-12-03 | 武汉理工大学 | Formaldehyde gas sensor |
| CN105675600A (en) * | 2016-02-24 | 2016-06-15 | 张银虎 | Multifunctional detector |
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| US20170079592A1 (en) * | 2014-03-19 | 2017-03-23 | Industry Foundation Of Chonnam National University | Foldable-case-integrated-type multi-device |
| CN206531816U (en) * | 2017-03-17 | 2017-09-29 | 张银虎 | Electrochemical sensor |
-
2017
- 2017-03-17 CN CN201710161860.7A patent/CN106770594A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006085876A1 (en) * | 2005-02-10 | 2006-08-17 | Bionime Corporation | Electrochemical sensor strip and manufacturing method thereof |
| TW200923136A (en) * | 2007-11-16 | 2009-06-01 | Univ Nat Chiao Tung | Electrochemistry mold |
| CN101776640A (en) * | 2010-02-01 | 2010-07-14 | 北京亚都空气污染治理技术有限公司 | Formaldehyde gas sensor |
| TWM394599U (en) * | 2010-04-28 | 2010-12-11 | Hon Hai Prec Ind Co Ltd | Electrical connector |
| US20170079592A1 (en) * | 2014-03-19 | 2017-03-23 | Industry Foundation Of Chonnam National University | Foldable-case-integrated-type multi-device |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |