CN206270280U - A kind of moisture transducer for measuring gas water content - Google Patents
A kind of moisture transducer for measuring gas water content Download PDFInfo
- Publication number
- CN206270280U CN206270280U CN201621389893.4U CN201621389893U CN206270280U CN 206270280 U CN206270280 U CN 206270280U CN 201621389893 U CN201621389893 U CN 201621389893U CN 206270280 U CN206270280 U CN 206270280U
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- CN
- China
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- electrolytic cell
- water content
- gas water
- moisture transducer
- insulated column
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Abstract
The utility model is related to sensor technical field, specially a kind of moisture transducer for measuring gas water content, its object is to provide a kind of moisture transducer for measuring gas water content, by the size for measuring Faradaic current, so as to measure water content, sensitivity is high, and reaction speed is fast；It includes electrolytic cell (1), probe (2) and electrolytic cell lid (3), it is characterised in that：The electrolytic cell (1) is the cylindrical shape with electrolytic cell mouthful (101), the side wall of electrolytic cell (1) is provided with the suction nozzle (102) and outlet nozzle (103) for communicating therewith, suction nozzle (102) is provided with a regulating valve (104), outlet nozzle (103) is provided with flowmeter (105), electrolytic cell mouthful (101) is provided with external screw thread, and its advantage is：By measuring the size of Faradaic current, so as to measure water content, while by the use of glass bar as insulating bar, insulation effect is good, and sensitivity is high, and reaction speed is fast.
Description
Technical field
The utility model is related to sensor technical field, specially a kind of moisture transducer for measuring gas water content.
Background technology
Moisture transducer in the industry and agricultural and daily life on extensive application, be also research meteorological
The indispensable factor of situation.Humidity sensor has been developed very as the important component of humidity measurement system
For many years.At present, main humidity sensor has two kinds, and one kind is capacitance type humidity sensor, conventional condenser type humidity sensor
Device is formed by surface processing technique, and its sensitization capacitance is small, and parasitic capacitance is big, and chemical property is unstable, is unfavorable for measurement, separately
A kind of is the humidity sensor of superposing type, this sensor using wet sensory material be placed in sensitization capacitance pole plate between as feeling wet Jie
Matter, although sensitivity is high, parasitic capacitance is small, but response speed is slow.Therefore micro water content in a kind of measurement gas is devised
Moisture transducer, by measuring the size of Faradaic current, so as to measure water content, sensitivity is high, and reaction speed is fast.
Utility model content
The purpose of this utility model is to provide a kind of moisture transducer for measuring the micro water content of gas, by measuring
The size of Faradaic current, so as to measure water content, sensitivity is high, and reaction speed is fast.
To achieve these goals, the utility model is achieved using following technical scheme：
A kind of moisture transducer for measuring gas water content, including electrolytic cell 1, probe 2 and electrolytic cell lid 3, the probe 2
Put in electrolytic cell 1, and probe 2 is fixed on electrolytic cell 1 by electrolytic cell lid 3, it is characterised in that：The electrolytic cell 1 is
Cylindrical shape with electrolytic cell mouthful 101, the side wall of electrolytic cell 1 is provided with the suction nozzle 102 and outlet nozzle 103 for communicating therewith, enters
Valve 102 is provided with a regulating valve 104, and outlet nozzle 103 is provided with flowmeter 105, and electrolytic cell mouthful 101 is provided with external screw thread,
The probe 2 includes lead wire sheath 201, and one end of lead wire sheath 201 is fixed by screw 8 and is connected with lead terminal 202, drawn
The other end of line sheath 201 is threaded with seal, and seal includes insulated column 204, and insulated column 204 is hollow knot
Structure, the inside of insulated column is provided with standing screw 4, and the two ends of standing screw 4 are connected with trim ring 203 and lower clamping ring by nut 6
205, two first binding posts 207 are inserted with the upper trim ring 203, two second binding posts 208, institute are inserted with lower clamping ring 205
The periphery for stating insulated column 204 is provided with two groups of thread grooves of independence 206, and two are full of respectively in two groups of thread grooves of independence 206
Root is electrolysed silk 5, and one end of two electrolysis silks 5 are connected with two first binding posts 207, the other end and two second binding posts 208
Connection, the other end of the first binding post 207 is connected by electric wire 7 with one end of lead terminal 202, lead terminal 202 it is another
End is connected with voltage-stabilized power supply and ammeter, hygroscopic agent is coated with the outer surface of the insulated column 204, on the electrolytic cell lid 3
It is provided with the internal thread being engaged with the external screw thread of electrolytic cell mouthful 101.
The hygroscopic agent is phosphorus pentoxide solution.
The electrolysis silk 5 is rhodium silk or platinum filament.
The insulated column 204 is glass material.
The outer surface of the electrolytic cell lid 3 is provided with anti-skid bulge 301.
The beneficial effects of the utility model are：Moisture transducer of the present utility model is according to electrolytic cell moisture absorption and is electrolysed
What the principle of moisture was operated, by measuring the size of Faradaic current, so as to measure water content, while being made using glass bar
It is insulating bar, insulation effect is good, the adhesive force of hygroscopic agent is strong, and sensitivity is high, and reaction speed is fast, long lifespan.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the exploded view of Fig. 1.
Fig. 3 is probe not around the structural representation of electrolysis silk.
Fig. 4 is the structural representation that probe is wound with electrolysis silk.
Fig. 5 is the front elevational view of probe.
Shown in figure：Electrolytic cell 1, probe 2, electrolytic cell lid 3, standing screw 4, electrolysis silk 5, nut 6, electric wire 7, screw 8,
Electrolytic cell mouthful 101, suction nozzle 102, outlet nozzle 103, regulating valve 104, flowmeter 105, lead wire sheath 201, lead terminal 202,
Upper trim ring 203, insulated column 204, lower clamping ring 205, thread groove 206, the second binding post 208, anti-skid bulge 301.
Specific embodiment
Structure of the present utility model and its advantage are further illustrated below in conjunction with accompanying drawing 1 to accompanying drawing 5.
Example 1：
A kind of moisture transducer for measuring gas water content, as shown in Figures 1 to 5, including electrolytic cell 1, probe 2 and electrolysis
Pond lid 3, the probe 2 is put in electrolytic cell 1, and probe 2 is fixed on electrolytic cell 1 by electrolytic cell lid 3, and its feature exists
In：The electrolytic cell 1 is the cylindrical shape with electrolytic cell mouthful 101, and the side wall of electrolytic cell 1 is provided with the suction nozzle for communicating therewith
102 and outlet nozzle 103, suction nozzle 102 is provided with a regulating valve 104, and outlet nozzle 103 is provided with a flowmeter 105, electrolysis
Pond mouthful 101 is provided with external screw thread, and the probe 2 includes lead wire sheath 201, and one end of lead wire sheath 201 is fixed simultaneously by screw 8
Lead terminal 202 is connected with, the other end of lead wire sheath 201 is threaded with seal, and seal includes insulated column
204, insulated column 204 is hollow structure, and the inside of insulated column is provided with standing screw 4, and the two ends of standing screw 4 are connected by nut 6
Trim ring 203 and lower clamping ring 205 are connected to, two first binding posts 207 are inserted with the upper trim ring 203, be inserted with lower clamping ring 205
Two second binding posts 208, the periphery of the insulated column 204 is provided with two groups of thread grooves of independence 206, two groups of spiral shells of independence
Two electrolysis silks 5 are full of in groove 206 respectively, one end of two electrolysis silks 5 is connected with two first binding posts 207, the other end
It is connected with two second binding posts 208, the other end of the first binding post 207 is connected by electric wire 7 with one end of lead terminal 202
Connect, the other end of lead terminal 202 is connected with voltage-stabilized power supply and ammeter, and suction is coated with the outer surface of the insulated column 204
Humectant, the electrolytic cell lid 3 is provided with the internal thread being engaged with the external screw thread of electrolytic cell mouthful 101.
The hygroscopic agent is phosphorus pentoxide solution, and the use collocation method of phosphorus pentoxide solution is：With needle tubing by phosphoric acid
1 is pressed with deionized water：After 1 ratio is sufficiently mixed in beaker, toasted 5 minutes under infrared lamp.
Then the phosphorus pentoxide solution that will be prepared with needle tubing is equably coated in around the insulated column 204 for making electrolysis silk
On, toasted 40 minutes under infrared lamp after being painted with, then apply the 2nd time, so repeatedly at least 4 times.
The electrolysis silk 5 is rhodium silk or platinum filament.
The insulated column 204 is glass material.
The outer surface of the electrolytic cell lid 3 is provided with anti-skid bulge 301.
The processing technology of two groups of thread grooves 206 on the insulated column 204 is：First, by No. 4 medical wires and No. 5 fishes
Two groups arranged side by side of line is wound on the insulated column 204 of glass material, and the wax liquor for then melting the top and bottom of insulated column 204 is applied
3-5cm is long, then puts it into reaction in analytically pure HF acid and is taken out after 40 minutes, and is rinsed 5 minutes with clear water, finally by 4
Number medical wire is dismantled, i.e., as HF acid is to No. 5 corrosion of fishing line so that the glass contacted with No. 5 fishing lines is also corroded, so that
To two groups of required thread grooves 206.
The course of work of the present utility model is：The moisture detector of this moisture transducer is according to electrolytic cell moisture absorption and is electrolysed
What the principle of moisture was operated.Analyzed gas is made with the speed of 100ml/min from suction nozzle by the regulation of regulating valve 104
After 102 enter in electrolytic cell 1, the moisture in gas is that the phosphorus pentoxide (P2O5) being applied on the surface of insulated column 204 is inhaled
Humectant is fully absorbed, and is added in the DC voltage on probe electrode and is electrolyzed to produce H2 and O2, is discharged with sample gas from outlet nozzle 103.
Its course of reaction is：
P2O5+H2O → HPO3 (moisture absorption)
HPO3 → P2O5+H2 ↑+O2 ↑ (electrolysis)
In electrolytic process, Faradaic current is produced.Can be derived according to Faraday's laws of electrolysis and the equation of gas state：One
The Faradaic current produced under constant temperature degree, pressure and flow condition is proportional to the water content in gas.Measure the big of Faradaic current
It is small, that is, measure water content.By calculating, at one atm, measuring system temperature is 40 DEG C, is tested gas with 100ml/
The flow of min flows through electrolytic cell, then when sample gas water content is 1PPM, Faradaic current is 28.4 μ A.Can be surveyed according to ammeter
The size of current of amount judges the water content in gas.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.
Claims (5)
1. a kind of moisture transducer for measuring gas water content, including electrolytic cell (1), probe (2) and electrolytic cell lid (3), it is described
Probe (2) is put in electrolytic cell (1), and probe (2) is fixed on electrolytic cell (1) by electrolytic cell lid (3), and its feature exists
In：The electrolytic cell (1) is the cylindrical shape with electrolytic cell mouthful (101), and the side wall of electrolytic cell (1) is provided with entering of communicating therewith
Valve (102) and outlet nozzle (103), suction nozzle (102) are provided with a regulating valve (104), and outlet nozzle (103) is provided with flow
Meter (105), electrolytic cell mouthful (101) is provided with external screw thread, and the probe (2) includes lead wire sheath (201), lead wire sheath (201)
One end it is fixed by screw (8) and be connected with lead terminal (202), the other end of lead wire sheath (201) is threaded with absolutely
Edge device, seal includes insulated column (204), and insulated column (204) is hollow structure, and the inside of insulated column is provided with standing screw
(4), the two ends of standing screw (4) are connected with trim ring (203) and lower clamping ring (205), the upper trim ring by nut (6)
(203) two first binding posts (207) are inserted with, two second binding posts (208), the insulation is inserted with lower clamping ring (205)
The periphery of post (204) is provided with two groups of thread grooves of independence (206), and two are full of respectively in two groups of thread grooves of independence (206)
Root is electrolysed silk (5), and one end of electrolysis silk (5) is connected with two first binding posts (207), the other end and two second binding posts
(208) connect, the other end of the first binding post (207) is connected by electric wire (7) with one end of lead terminal (202), lead end
The other end of sub (202) is connected with the outer surface of insulated column (204) described in voltage-stabilized power supply and ammeter and is coated with hygroscopic agent, institute
State electrolytic cell lid (3) and be provided with the internal thread being engaged with the external screw thread of electrolytic cell mouthful (101).
2. it is according to claim 1 it is a kind of measure gas water content moisture transducer, it is characterised in that：The hygroscopic agent
It is phosphorus pentoxide solution.
3. it is according to claim 1 it is a kind of measure gas water content moisture transducer, it is characterised in that：The electrolysis silk
(5) it is rhodium silk or platinum filament.
4. it is according to claim 1 it is a kind of measure gas water content moisture transducer, it is characterised in that：The insulated column
(204) it is glass material.
5. it is according to claim 1 it is a kind of measure gas water content moisture transducer, it is characterised in that：The electrolytic cell
The outer surface for covering (3) is provided with anti-skid bulge (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621389893.4U CN206270280U (en) | 2016-12-16 | 2016-12-16 | A kind of moisture transducer for measuring gas water content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621389893.4U CN206270280U (en) | 2016-12-16 | 2016-12-16 | A kind of moisture transducer for measuring gas water content |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206270280U true CN206270280U (en) | 2017-06-20 |
Family
ID=59046741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621389893.4U Expired - Fee Related CN206270280U (en) | 2016-12-16 | 2016-12-16 | A kind of moisture transducer for measuring gas water content |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206270280U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884152A (en) * | 2019-03-25 | 2019-06-14 | 广州西唐传感科技有限公司 | Detection device, test macro and test method based on electrolysis water |
-
2016
- 2016-12-16 CN CN201621389893.4U patent/CN206270280U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109884152A (en) * | 2019-03-25 | 2019-06-14 | 广州西唐传感科技有限公司 | Detection device, test macro and test method based on electrolysis water |
| CN109884152B (en) * | 2019-03-25 | 2022-02-08 | 广州西唐传感科技有限公司 | Detection device, test system and test method based on electrolyzed water |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20171216 |
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| CF01 | Termination of patent right due to non-payment of annual fee |