CN201837607U - Measuring electrode for liquid electric conductivity - Google Patents
Measuring electrode for liquid electric conductivity Download PDFInfo
- Publication number
- CN201837607U CN201837607U CN2010205637422U CN201020563742U CN201837607U CN 201837607 U CN201837607 U CN 201837607U CN 2010205637422 U CN2010205637422 U CN 2010205637422U CN 201020563742 U CN201020563742 U CN 201020563742U CN 201837607 U CN201837607 U CN 201837607U
- Authority
- CN
- China
- Prior art keywords
- electrode
- flow passage
- liquid
- electrodes
- electric conductivity
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a measuring electrode for liquid electric conductivity. The measuring electrode comprises two electrodes and two liquid flow ports formed on the electrodes, wherein a liquid flow channel for communicating the two electrodes is arranged between the two electrodes; and the two liquid flow ports are communicated through the liquid flow channel. For improvement, an insulating layer is filled between the two electrodes; and the liquid flow channel is arranged on the insulating layer. An insulator is filled between an inner electrode and an outer electrode, and the liquid flow channel is arranged on the insulator, so that the distance between the electrodes is minimum and steady, which is favorable for making electrodes with accurate low cell constant; the liquid flow channel is a narrow and long channel, is favorable for to-be-measured liquid to flow, and can fully discharge the measured liquid and reduce the dead volume during the measurement; and meanwhile, the liquid can maintain large flow velocity in the narrow and long channel to wash the surfaces of the electrodes, so as to achieve the purpose of depolarization. The measuring electrode adopting the structure can be used for measuring the liquid electric conductivity more accurately.
Description
Technical field
The utility model relates to a kind of potential electrode that can measure liquid electric conductivity more accurately.
Background technology
Liquid electric conductivity in measuring process, the measurement of the liquid of low conductivity, requiring has less electrode constant, and electrode is made, and requires that the electrode relative area is big, distance is near.
In order to reach above-mentioned requirement, usually electrode is made concentric cylindric of inside and outside electrode, referring to Fig. 1-2.Interior electrode 1, external electrode 2, potential electrode one end is open, between leave the uniform circular gap.Need during measurement electrode is inserted in the fluid to be measured.Because this structure electrode gap is bigger, be unfavorable for making the electrode of low electrode constant.When measuring, there is the cecum of liquid flow in electrode interior, can not be replaced timely behind the measurement strength of fluid, simultaneously, also easily produces measuring the bigger concentration polarization phenomenon of influence.
Summary of the invention
The utility model is big for the conductivity measurement electrode conductance pond constant that solves in the background technology, and the defective that measuring accuracy is low provides a kind of conductivity measurements more accurate liquid electric conductivity potential electrode.
The technical scheme that the utility model solves existing issue is: the liquid electric conductivity potential electrode, comprise two electrodes, two liquid head pieces on it are set, be provided with the flow passage that is communicated with two electrodes between described two electrodes, described two liquid head pieces are communicated with by flow passage, as improvement of the present utility model, be filled with insulation course between described two electrodes, described flow passage is opened on the insulation course.
As further improvement of the utility model, described two electrodes are plane electrode, the flow passage of offering on the insulation course between two electrodes is long narrow flow passage, described flow passage initiating terminal matches with a set liquid head piece on the electrode, flow passage terminal with electrode on set another liquid head piece match two liquid head pieces of flow passage connection.
As further improvement of the utility model, described flow passage is the flow passage of long narrow bending, is opened on the insulation course with spiral fashion or reciprocal shape.
As further improvement of the utility model, described two electrodes are the interior electrode and the external electrode of ring-type, be filled with insulation course between electrode and the external electrode in described, described flow passage is opened on the insulation course, described flow passage initiating terminal matches with a set liquid head piece on the electrode, flow passage terminal with electrode on set another liquid head piece match two liquid head pieces of flow passage connection.
As further improvement of the utility model, the flow passage of electrode and external electrode is long narrow being opened on the insulation course in the described connection.
As further improvement of the utility model, the described flow passage that is opened on the insulation course is the flow passage of long narrow bending.
As further improvement of the utility model, described flow passage is a helical duct, and described helical duct is the axis of screw with the electrode axial line.
As further improvement of the utility model, described potential electrode is a tubular electrode, and interior electrode is concentric with external electrode, and described flow passage is for being the helical duct of the axis of screw with tube axle line.
The utility model compared with prior art, its beneficial effect is: by fill insulator between interior electrode and external electrode, flow passage is opened on the insulator, can does interelectrode distance minimum and stable, help making the electrode of accurate low cell constant of conductometric vessel; Flow passage is offered into long narrow passage, help fluid to be measured and flow through flow passage, the liquid of having measured can be discharged fully, also can reduce the dead volume when measuring, liquid can keep bigger flow velocity at long narrow passage simultaneously, washes away electrode surface, thereby reaches unpolarized purpose.The utility model structure, it is more accurate to measure liquid electric conductivity.
Description of drawings
Fig. 1 is the structural representation of the utility model background technology.
Fig. 2 is that cut-open view is looked on the left side of Fig. 1.
Fig. 3 is the structural representation of the utility model case study on implementation 1.
Fig. 4 is that cut-open view is looked on the left side of Fig. 3.
Fig. 5 is the another kind of structural representation of the utility model case study on implementation 1.
Fig. 6 is that cut-open view is looked on the left side of Fig. 5.
The structural representation of Fig. 7 the utility model case study on implementation 2.
Embodiment
Below in conjunction with description of drawings the utility model.
The liquid electric conductivity potential electrode, comprise two electrodes, electrode is provided with two liquid head pieces 11, liquid head piece 11 is provided with screw thread, the convenient external equipment that connects, be provided with the flow passage 3 that is communicated with two electrodes between two electrodes, matching with liquid head piece 11 on two electrodes respectively in flow passage 3 head and the tail two ends, is communicated with the liquid head piece 11 of the electrode on two electrodes.Be filled with insulation course 4 between two electrodes, flow passage 3 is opened on the insulation course 4, and flow passage 3 initiating terminals match with a set liquid head piece 11 on the electrode, and end matches with another liquid head piece 11, is communicated with two liquid head pieces 11.
Case study on implementation 1:
Referring to Fig. 3-6, two electrode is plane electrode, two electrodes---the flow passage of offering on the insulation course 4 between the first electrode 1a, the second electrode 2a 3 is long narrow flow passage.Flow passage 3 long narrow bendings in the implementation case, are opened on the insulation course 4 with spiral fashion or reciprocal shape, to increase the useful area of electrode.Fig. 3-4 flow passage 3 is reciprocal shapes, and Fig. 5-6 flow passage 3 is spiral fashions.
Measured liquid enters from any liquid head piece 11 of electrode, and another liquid head piece 11 is as outlet, and liquid stream is by the flow passage 3 of long narrow bending, flow out from outlet, liquid stream is by flow passage 3, and the cell constant of conductometric vessel of potential electrode is little, and the conductivity measurements of Liquid for Low Conductance is accurate relatively.
Case study on implementation 2:
Referring to Fig. 5, two interior electrode 1 and external electrodes 2 that electrode is a ring-type are filled with insulation course 4 between interior electrode 1 and the external electrode 2, and flow passage 3 is opened on the insulation course 4.Electrode 1 is long narrow being opened on the insulation course 4 with the flow passage 3 of external electrode 2 in being communicated with.Be to increase the electrode useful area, as preferably, the flow passage 3 that is opened on the insulation course 4 is the flow passage of long narrow bending.For the ease of manufacturing flow passage 3 is helical duct, and helical duct is the axis of screw with the electrode axial line.Potential electrode is a tubular electrode, and interior electrode 1 is concentric with external electrode 2, and flow passage 3 is for being the helical duct of the axis of screw with tube axle line, and in addition, helical duct can effectively increase useful area again.
Measured liquid enters from any liquid head piece 11 of electrode, and another liquid head piece is as outlet, and liquid stream is by crooked flow passage 3, flow out from outlet, liquid stream is by flow passage 3, and the useful area of potential electrode is bigger, and the conductivity measurements of liquid is accurate relatively.
Claims (9)
1. the liquid electric conductivity potential electrode comprises two electrodes, is provided with the flow passage that is communicated with two electrodes between described two electrodes, and it is characterized in that: be filled with insulation course between described two electrodes, described flow passage is opened on the insulation course.
2. liquid electric conductivity potential electrode as claimed in claim 1 is characterized in that: described electrode is provided with two liquid head pieces, and described two liquid head pieces are communicated with by flow passage.
3. liquid electric conductivity potential electrode as claimed in claim 1 or 2, it is characterized in that: described two electrodes are plane electrode, the flow passage of offering on the insulation course between two electrodes is long narrow flow passage, described flow passage initiating terminal matches with a set liquid head piece on the electrode, flow passage terminal with electrode on set another liquid head piece match two liquid head pieces of flow passage connection.
4. liquid electric conductivity potential electrode as claimed in claim 3 is characterized in that: described flow passage is the flow passage of long narrow bending.
5. liquid electric conductivity potential electrode as claimed in claim 1 or 2, it is characterized in that: described two electrodes are the interior electrode and the external electrode of ring-type, be filled with insulation course between electrode and the external electrode in described, described flow passage is opened on the insulation course, described flow passage initiating terminal matches with a set liquid head piece on the electrode, flow passage terminal with electrode on set another liquid head piece match two liquid head pieces of flow passage connection.
6. liquid electric conductivity potential electrode as claimed in claim 5 is characterized in that: the flow passage of electrode and external electrode is long narrow being opened on the insulation course in the described connection.
7. liquid electric conductivity potential electrode as claimed in claim 6 is characterized in that: the described flow passage that is opened on the insulation course is the flow passage of long narrow bending.
8. liquid electric conductivity potential electrode as claimed in claim 7 is characterized in that: described flow passage is a helical duct, and described helical duct is the axis of screw with the electrode axial line.
9. liquid electric conductivity potential electrode as claimed in claim 8 is characterized in that: described potential electrode is a tubular electrode, and interior electrode is concentric with external electrode, and described flow passage is for being the helical duct of the axis of screw with tube axle line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205637422U CN201837607U (en) | 2010-10-15 | 2010-10-15 | Measuring electrode for liquid electric conductivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205637422U CN201837607U (en) | 2010-10-15 | 2010-10-15 | Measuring electrode for liquid electric conductivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201837607U true CN201837607U (en) | 2011-05-18 |
Family
ID=44007715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205637422U Expired - Lifetime CN201837607U (en) | 2010-10-15 | 2010-10-15 | Measuring electrode for liquid electric conductivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201837607U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982763A (en) * | 2010-10-15 | 2011-03-02 | 杭州泰林生物技术设备有限公司 | Measuring electrode of conductivity of liquid and preparation method thereof |
| CN104502714A (en) * | 2014-12-26 | 2015-04-08 | 福建师范大学 | Electrode rotating type liquid conductivity measuring method |
| CN106771618A (en) * | 2016-12-19 | 2017-05-31 | 合肥铭志环境技术有限责任公司 | A kind of conductivity gauge |
| CN106908558A (en) * | 2015-10-20 | 2017-06-30 | 三星电子株式会社 | Electrical conductivity detector and the ion chromatography system including it |
| CN107764913A (en) * | 2017-09-30 | 2018-03-06 | 南京大学 | A kind of nucleic acid-protein conductance combination detecting system and its detection method |
| CN108760828A (en) * | 2018-08-15 | 2018-11-06 | 河北科瑞达仪器科技股份有限公司 | A kind of device measured for liquid electric conductivity |
| CN111982335A (en) * | 2020-08-20 | 2020-11-24 | 德州尧鼎光电科技有限公司 | Spiral type liquid conductivity adjustable temperature sensor |
-
2010
- 2010-10-15 CN CN2010205637422U patent/CN201837607U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982763A (en) * | 2010-10-15 | 2011-03-02 | 杭州泰林生物技术设备有限公司 | Measuring electrode of conductivity of liquid and preparation method thereof |
| CN104502714A (en) * | 2014-12-26 | 2015-04-08 | 福建师范大学 | Electrode rotating type liquid conductivity measuring method |
| CN106908558A (en) * | 2015-10-20 | 2017-06-30 | 三星电子株式会社 | Electrical conductivity detector and the ion chromatography system including it |
| CN106771618A (en) * | 2016-12-19 | 2017-05-31 | 合肥铭志环境技术有限责任公司 | A kind of conductivity gauge |
| CN107764913A (en) * | 2017-09-30 | 2018-03-06 | 南京大学 | A kind of nucleic acid-protein conductance combination detecting system and its detection method |
| CN108760828A (en) * | 2018-08-15 | 2018-11-06 | 河北科瑞达仪器科技股份有限公司 | A kind of device measured for liquid electric conductivity |
| CN108760828B (en) * | 2018-08-15 | 2023-07-28 | 河北科瑞达仪器科技股份有限公司 | Device for measuring liquid conductivity |
| CN111982335A (en) * | 2020-08-20 | 2020-11-24 | 德州尧鼎光电科技有限公司 | Spiral type liquid conductivity adjustable temperature sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201837607U (en) | Measuring electrode for liquid electric conductivity | |
| CN101982763A (en) | Measuring electrode of conductivity of liquid and preparation method thereof | |
| CN202305672U (en) | Slurry resistivity measuring device | |
| CN102520247B (en) | Slurry resistivity measuring device | |
| CN203299275U (en) | Local surface conductivity measurement probe device of insulator | |
| CN202057626U (en) | Liquid conductivity measurement electrode | |
| CN105136243B (en) | Bulky capacitor capacitance level transducer suitable for dynamic environment | |
| CN109253764A (en) | Insertion type probe for electromagnetic flowmeter | |
| CN104459333B (en) | Industrial capacitance coupling type double-inductance structure non-contact conductivity measuring device and method | |
| CN104950177A (en) | Circulating type industrial on-line seven-electrode conductivity sensor | |
| CN203772789U (en) | Novel liquid conductivity measurement electrode sensor | |
| CN106207061A (en) | Battery Quick Connect Kit | |
| CN206038103U (en) | Electric capacity level sensor | |
| CN209727178U (en) | A kind of undergauge type electromagnetism water meter | |
| CN202362047U (en) | Measuring probe for resistance-type water level digital sensor | |
| CN205844242U (en) | A kind of conductivity sensing electrodes | |
| CN208443870U (en) | A kind of electric energy meter testing jig | |
| CN103852495A (en) | Two-electrode sensor for measuring liquid conductivity | |
| CN205506750U (en) | A electrode for ammonia nitrogen on -line monitoring | |
| CN106771618A (en) | A kind of conductivity gauge | |
| CN203490194U (en) | Portable type acid-base concentration measuring device | |
| CN203616279U (en) | Electrode structure for measuring HCT (hematocrit) | |
| CN104502718B (en) | A kind of geology mud measuring appliance | |
| CN202486110U (en) | Conductive electrode | |
| CN206270280U (en) | A kind of moisture transducer for measuring gas water content |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG TAILIN BIOTECHNOLOGY CO., LTD. Free format text: FORMER NAME: HANGZHOU TAILIN BIOTECHNOLOGY EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 310052 Binjiang District, Zhejiang, South Ring Road, No. 2930, No. Patentee after: ZHEJIANG TAILIN BIOENGINEERING CO., LTD. Address before: 310052 Binjiang District, Zhejiang, South Ring Road, No. 2930, No. Patentee before: Hangzhou Tailin Biotechnology Equipment Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110518 |