CN101982763A - Measuring electrode of conductivity of liquid and preparation method thereof - Google Patents
Measuring electrode of conductivity of liquid and preparation method thereof Download PDFInfo
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- CN101982763A CN101982763A CN201010508948XA CN201010508948A CN101982763A CN 101982763 A CN101982763 A CN 101982763A CN 201010508948X A CN201010508948X A CN 201010508948XA CN 201010508948 A CN201010508948 A CN 201010508948A CN 101982763 A CN101982763 A CN 101982763A
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Abstract
The invention discloses a measuring electrode of conductivity of liquid and a preparation method thereof. The measuring electrode comprises a ring electrode and two liquid flow ports arranged on the ring electrode, wherein the ring electrode contains an inner electrode and an outer electrode; a liquid flow passage is arranged between the inner electrode and the outer electrode and used to connect the inner electrode and the outer electrode, the two liquid flow ports are connected through the liquid flow passage; the improvement of the invention is to fill an insulation layer between the inner electrode and the outer electrode; and the liquid flow passage is formed on the insulation layer. In the measuring electrode, the distance between the electrodes can be designed to be extremely small and stable, thus the electrode with accurate and low cell constant can be easily prepared, the liquid to be measured can flow through the liquid flow passage smoothly, the measured liquid can be discharged completely and the dead volume can be reduced during measurement; and the liquid in the narrow and long passage can maintain higher flow rate to scour the surface of the electrodes and the aim of depolarization can be realized. The preparation method of the measuring electrode is simple and practical, the liquid flow passage of the measuring electrode is ensured to be intact, and the yield is high.
Description
Technical field
The present invention relates to a kind of potential electrode and the manufacture method thereof 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 one ends are 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 present invention 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 present invention solves existing issue is: the liquid electric conductivity potential electrode, comprise ring electrode, and two liquid head pieces on it are set, described ring electrode comprises interior electrode, external electrode, be provided with the flow passage of electrode and external electrode in being communicated with between interior electrode and the external electrode, described two liquid head pieces connect by flow passage, as improvement of the present invention, be filled with insulation course between electrode and the external electrode in described, described flow passage is opened on the insulation course.
As a further improvement on the present invention, the flow passage of electrode and external electrode is long narrow being opened on the insulation course in the described connection, described flow passage initiating terminal matches with 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 a further improvement on the present invention, the described flow passage that is opened on the insulation course is the flow passage of long narrow bending.
As a further improvement on the present invention, described flow passage is a helical duct, and described helical duct is the axis of screw with the electrode axial line.
As a further improvement on the present invention, 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 present invention also provides the manufacture method of liquid electric conductivity potential electrode,
Method of the present invention is: but insert loose fit in the gap between interior electrode, external electrode, and the ying-shaped insulator that is ductile, offer flow passage on the insulator; Utilize the ductility of insulator, by the expansion of internal electrode endoporus, the compressing insulator forces interior electrode, insulator, external electrode to closely cooperate, and with the flow passage on the sealed insulation body, makes two liquid head pieces on the flow passage connection electrode.
As the further improvement of the inventive method, the gap of the insulator in loose fit is inserted between electrode and the external electrode is not more than the maximum degree of stretch of insulator.
Further improvement as the inventive method, the flow passage of offering on the described insulator is the flow passage of long narrow bending, described flow passage initiating terminal matches with 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 the further improvement of the inventive method, described flow passage is a helical duct, and described helical duct is the axis of screw with the electrode axial line.
As the further improvement of the inventive method, by the extender expansion, described extender front end is provided with guide head in the described expansion process.
Further improvement as the inventive method, described extender is expanded potential electrode down by the guiding that the guide head on it is set, interior electrode, insulator, external electrode are closely cooperated,, make two liquid head pieces on the flow passage connection electrode with the flow passage on the sealed insulation body.
The present invention 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 present invention is simple in structure, and it is more accurate to measure liquid electric conductivity.Manufacture method of the present invention is simple and practical, guarantees that the electrode solution circulation road is complete, the yield rate height.
Description of drawings
Fig. 1 is the structural representation of background technology of the present invention.
Fig. 2 is that cut-open view is looked on the left side of Fig. 1.
Fig. 3 is a structural representation of the present invention.
Fig. 4 is the structural representation of the inventive method extender expansion.
Embodiment
Below in conjunction with description of drawings the present invention.
Referring to Fig. 3, the implementation case comprises: ring electrode, and two liquid head pieces 21 on it are set, liquid head piece 21 is provided with screw thread, the convenient external equipment that connects, ring electrode comprises interior electrode 1, external electrode 2, be provided with the flow passage 3 of the interior electrode 1 that is communicated with and external electrode 2 between interior electrode 1 and the external electrode 2, two liquid head pieces 21 are communicated with by flow passage 3, be filled with insulation course 4 between interior electrode 1 and the external electrode 2, flow passage 3 is opened on the insulation course 4, and the initiating terminal of flow passage 3 matches with a liquid head piece 21, and end matches with another liquid head piece 21.
For the ease of producing, in the implementation case, flow passage 3 is a helical duct, and helical duct is the axis of screw with the electrode axial line.Further, 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.
Measured liquid enters from any liquid head piece 21 of electrode, another liquid head piece 21 is as outlet, liquid stream is by crooked flow passage 3---helical duct, flow out from outlet, liquid stream is by flow passage 3, the cell constant of conductometric vessel of potential electrode is little, and the conductivity measurements of Liquid for Low Conductance is accurate relatively.
The present invention also provides the manufacture method of liquid electric conductivity potential electrode:
Referring to Fig. 4, method of the present invention is: but insert loose fit in the gap 11 between interior electrode 1, external electrode 2, and the ying-shaped insulator 12 that is ductile, offer flow passage 3 on the insulator 12; Utilize the ductility of insulator 12, expansion by internal electrode 1 endoporus, compressing insulator 12, electrode 1, insulator 12, external electrode 2 closely cooperate in forcing, with the flow passage on the sealed insulation body 12 3, two liquid head pieces 21 that flow passage 3 is communicated with on the electrode, flow passage 3 initiating terminals match with a set liquid head piece 21 on the electrode, end matches with another liquid head piece 21 on the electrode, and flow passage 3 is communicated with two liquid head pieces 21.
The gap of the insulator 12 in loose fit is installed between electrode 1 and the external electrode 2 is not more than the maximum degree of stretch of insulator 12.Wherein the flow passage of offering on the insulator 12 3 is the flow passage of long narrow bending.Further, flow passage 3 is a helical duct, and helical duct is the axis of screw with the electrode axial line.
By extender 5 expansions, extender 5 front ends are provided with guide head 51 in the expansion process.Extender 5 is pressed into the endoporus of interior electrode 1, the external diameter of the part of electrode hole was greater than the internal diameter of interior electrode 1 in extender 5 entered, after being pressed into, electrode 1, insulator 12 expansions in will making, electrode 1, insulator 12, external electrode 2 closely cooperates in making, flow passage 3 on the sealed insulation body 12, two liquid head pieces 21 that flow passage 3 is communicated with on the electrode.
Case study on implementation 1:
A, will be enclosed within the insulator 12 that interior electrode 1 cooperates on the electrode, processing insulator 4, and process flow passage 3.
B, external electrode 2 is fixing.
C, the processed finished products that will have an interior electrode 1 of insulator 12 are inserted in the external electrode 2.
D, with flow passage on the insulator 12 3 head and the tail two ends respectively external electrodes 2 default two liquid head pieces 21 aim at.
In e, the hole with electrode 1 in extender 5 insertions, under the guiding of extender 5 guide heads 51, extender 5 enters interior electrode 1, closely cooperate between electrode 1, insulator 12, the external electrode 2 in electrode 1 and insulator 12 expanded, make in the extender 5 that the process propagation size calculated made, with the flow passage on the sealed insulation body 12 3, two liquid head pieces 21 that flow passage 3 is communicated with on the electrode.
Case study on implementation 2:
A, the insulator 12 that will cooperate with external electrode 1 are inserted in the external electrode 2, processing insulator 4, and process flow passage 3, and the flow passage 3 head and the tail two ends that process are aimed at two liquid head pieces 21 that external electrode 2 is preset respectively.
B, interior electrode 1 is fixing.
C, the processed finished products that will have an external electrode 2 of insulator 12 are enclosed within and insert in the external electrode 2.
In d, the hole with electrode 1 in extender 5 insertions, under the guiding of extender 5 guide heads 51, extender 5 enters interior electrode 1, closely cooperate between electrode 1, insulator 12, the external electrode 2 in electrode 1 and insulator 12 expanded, make in the extender 5 that the process propagation size calculated made, with the flow passage on the sealed insulation body 12 3, two liquid head pieces 21 that flow passage 3 is communicated with on the electrode.
Case study on implementation 3:
A, the insulator 12 that will process flow passage 3 are fixing.
B, external electrode is inserted on the insulator 12, and flow passage 3 head and the tail two ends are aimed at default two the liquid head pieces 21 of external electrode 2 respectively.
C, in insulator 12, insert interior electrode.
D, the processed finished products that will have an external electrode 2 of insulator 12 are enclosed within and insert in the external electrode 2.
In e, the hole with electrode 1 in extender 5 insertions, under the guiding of extender 5 guide heads 51, extender 5 enters interior electrode 1, closely cooperate between electrode 1, insulator 12, the external electrode 2 in electrode 1 and insulator 12 expanded, make in the extender 5 that the process propagation size calculated made, with the flow passage on the sealed insulation body 12 3, two liquid head pieces 21 that flow passage 3 is communicated with on the electrode.
Claims (10)
1. liquid electric conductivity potential electrode, the interior electrode, the external electrode that comprise ring-type, be provided with the flow passage of electrode and external electrode in being communicated with between interior electrode and the external electrode, it is characterized in that: be filled with insulation course between described interior electrode and the external electrode, described flow passage is opened on the insulation course.
2. liquid electric conductivity potential electrode as claimed in claim 1, it is characterized in that: described ring electrode is provided with two liquid head pieces, described two liquid head pieces are communicated with by flow passage, and the flow passage of electrode and external electrode is long narrow being opened on the insulation course in the described connection; 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.
3. liquid electric conductivity potential electrode as claimed in claim 1 or 2 is characterized in that: the described flow passage that is opened on the insulation course is the flow passage of long narrow bending.
4. liquid electric conductivity potential electrode as claimed in claim 3 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.
5. liquid electric conductivity potential electrode as claimed in claim 4 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.
6. the manufacture method of liquid electric conductivity potential electrode is characterized in that: but insert loose fit in the gap between interior electrode, external electrode, and the ying-shaped insulator that is ductile, offer flow passage on the insulator; Utilize the ductility of insulator, by the expansion of internal electrode endoporus, the compressing insulator forces interior electrode, insulator, external electrode to closely cooperate, and with the flow passage on the sealed insulation body, makes flow passage be communicated with two set liquid head pieces on the electrode.
7. the manufacture method of liquid electric conductivity potential electrode as claimed in claim 6 is characterized in that: the insulation gap in loose fit is inserted between electrode and the external electrode is not more than the maximum degree of stretch of insulator.
8. as the manufacture method of claim 6 or 7 described liquid electric conductivity potential electrode, it is characterized in that: the flow passage of offering on the described insulator is the flow passage of long narrow bending, 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.
9. the manufacture method of liquid electric conductivity potential electrode as claimed in claim 8 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.
10. the manufacture method of liquid electric conductivity potential electrode as claimed in claim 6 is characterized in that: by the extender expansion, described extender front end is provided with guide head in the described expansion process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010508948XA CN101982763A (en) | 2010-10-15 | 2010-10-15 | Measuring electrode of conductivity of liquid and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010508948XA CN101982763A (en) | 2010-10-15 | 2010-10-15 | Measuring electrode of conductivity of liquid and preparation method thereof |
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| CN101982763A true CN101982763A (en) | 2011-03-02 |
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| CN201010508948XA Pending CN101982763A (en) | 2010-10-15 | 2010-10-15 | Measuring electrode of conductivity of liquid and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901753A (en) * | 2012-09-24 | 2013-01-30 | 杭州泰林生物技术设备有限公司 | Liquid oxidation detection electrode and equipment thereof |
| CN104459334A (en) * | 2014-12-26 | 2015-03-25 | 福建师范大学 | Direct current excitation conductivity measurement method for liquid to circularly flow to wash surface of electrodes |
| CN104459261A (en) * | 2014-12-26 | 2015-03-25 | 福建师范大学 | Liquid conductivity measurement electrode with miniature water pump |
| CN104502714A (en) * | 2014-12-26 | 2015-04-08 | 福建师范大学 | Electrode rotating type liquid conductivity measuring method |
| CN104502660A (en) * | 2014-12-26 | 2015-04-08 | 福建师范大学 | Swinging liquid conductivity measurement electrode |
| CN104502659A (en) * | 2014-12-26 | 2015-04-08 | 福建师范大学 | Rotary type liquid conductivity measurement electrode |
| CN106400403A (en) * | 2015-07-30 | 2017-02-15 | 青岛海尔滚筒洗衣机有限公司 | Water inlet box with function of detecting whether detergents are delivered and washing machine |
| EP2989490A4 (en) * | 2013-08-05 | 2017-04-26 | Halliburton Energy Services, Inc. | Measuring fluid conductivity |
| 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 |
| CN109142462A (en) * | 2018-06-22 | 2019-01-04 | 思贝科斯(北京)科技有限公司 | Conducting probe and its manufacturing method |
| CN111727370A (en) * | 2018-02-28 | 2020-09-29 | 东阳特克尼卡株式会社 | Measuring container, measuring system and measuring method |
| CN118641589A (en) * | 2024-08-16 | 2024-09-13 | 江苏佳蓝检验检测有限公司 | Conductivity electrode with adjustable electrode constant and conductivity analyzer |
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| CN201837607U (en) * | 2010-10-15 | 2011-05-18 | 杭州泰林生物技术设备有限公司 | Measuring electrode for liquid electric conductivity |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901753A (en) * | 2012-09-24 | 2013-01-30 | 杭州泰林生物技术设备有限公司 | Liquid oxidation detection electrode and equipment thereof |
| EP2989490A4 (en) * | 2013-08-05 | 2017-04-26 | Halliburton Energy Services, Inc. | Measuring fluid conductivity |
| CN104459334B (en) * | 2014-12-26 | 2017-08-25 | 福建师范大学 | Liquid circulation flowing is set to wash away the continuous current excitation conductivity measuring method of electrode surface |
| CN104502660A (en) * | 2014-12-26 | 2015-04-08 | 福建师范大学 | Swinging liquid conductivity measurement electrode |
| CN104502659A (en) * | 2014-12-26 | 2015-04-08 | 福建师范大学 | Rotary type liquid conductivity measurement electrode |
| CN104459261A (en) * | 2014-12-26 | 2015-03-25 | 福建师范大学 | Liquid conductivity measurement electrode with miniature water pump |
| CN104459334A (en) * | 2014-12-26 | 2015-03-25 | 福建师范大学 | Direct current excitation conductivity measurement method for liquid to circularly flow to wash surface of electrodes |
| CN104502659B (en) * | 2014-12-26 | 2017-08-29 | 福建师范大学 | A kind of rotary liquid conductivity measurement electrode |
| CN104502660B (en) * | 2014-12-26 | 2018-03-23 | 福建师范大学 | A kind of swing type liquid conductivity measurement electrode |
| CN104502714A (en) * | 2014-12-26 | 2015-04-08 | 福建师范大学 | Electrode rotating type liquid conductivity measuring method |
| CN106400403A (en) * | 2015-07-30 | 2017-02-15 | 青岛海尔滚筒洗衣机有限公司 | Water inlet box with function of detecting whether detergents are delivered and washing machine |
| CN106400403B (en) * | 2015-07-30 | 2020-07-21 | 青岛海尔滚筒洗衣机有限公司 | Water inlet box with function of detecting whether detergent is put in and washing machine |
| US11994487B2 (en) | 2018-02-28 | 2024-05-28 | Toyo Corporation | Measuring container, measuring system and measuring method |
| CN111727370A (en) * | 2018-02-28 | 2020-09-29 | 东阳特克尼卡株式会社 | Measuring container, measuring system and measuring method |
| CN109142462A (en) * | 2018-06-22 | 2019-01-04 | 思贝科斯(北京)科技有限公司 | Conducting probe and its manufacturing 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 |
| CN118641589A (en) * | 2024-08-16 | 2024-09-13 | 江苏佳蓝检验检测有限公司 | Conductivity electrode with adjustable electrode constant and conductivity analyzer |
| CN118641589B (en) * | 2024-08-16 | 2024-10-15 | 江苏佳蓝检验检测有限公司 | Conductivity electrode with adjustable electrode constant and conductivity analyzer |
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Application publication date: 20110302 |