CN101825598A - Extremely common dissolved oxygen electrode - Google Patents
Extremely common dissolved oxygen electrode Download PDFInfo
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- CN101825598A CN101825598A CN 201010134303 CN201010134303A CN101825598A CN 101825598 A CN101825598 A CN 101825598A CN 201010134303 CN201010134303 CN 201010134303 CN 201010134303 A CN201010134303 A CN 201010134303A CN 101825598 A CN101825598 A CN 101825598A
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Abstract
The invention discloses an extremely common dissolved oxygen electrode, which comprises an oxygen permeation membrane, an anode electrode, a cathode electrode, an electrolyte tank, and an electrode base. The upper part of the electrode base is in a circular truncated cone shape; the middle part of the electrode base is provide with a circular truncated cone of which the surface is provided with threads and the diameter is smaller than the that of the circular truncated cone on the upper part; the bottom of the circular truncated cone of which the surface is provided with the threads is provided with a cone structure; the lower part of the electrode base is provided with an electrode core in a round bar shape; and the electrode core has a columnar structure. The cathode electrode is embedded inside the lower end face of the electrode core on the lower part of the electrode base; the anode electrode is in a barrel shape and sleeved on the electrode core; an upper cavity of the electrolyte tank is cylindrical; the upper part of the inner wall of the electrolyte tank is provided with internal threads; the bottom of the upper cavity is an annular conical surface; and a lower cavity is a cylinder of which the diameter is between the diameter of the upper cavity and the diameter of the electrode core. The oxygen permeation membrane is arranged on the lower port of the lower cavity; the electrode base is screwed on the upper cavity of the electrolyte tank; and electrolyte is filled in the electrolyte tank.
Description
Technical field
The present invention relates to a kind of extremely common dissolved oxygen electrode.
Background technology
In existing dissolved oxygen DO detector, extremely common dissolved oxygen electrode is one of its crucial parts, and this extremely common dissolved oxygen electrode mainly contains oxygen permeation membrane, anode electrode, cathode electrode, electrolytic bath etc.Cathode electrode and anode electrode are the important component parts of extremely common dissolved oxygen electrode, and after work a period of time, cathode electrode and anode electrode must carry out cleaning by grinding, and guarantee accuracy of detection to remove oxide layer.And existing cathode electrode is a schistose texture, and its thickness has only 0.1 millimeter, so has only one to two year serviceable life.Existing anode electrode is spiral-shaped and is positioned on the electrode core body, therefore is not easy to very much cleaning, the especially gap location between the anode electrode spiral.Because existing anode electrode is spiral-shaped, need manual the winding, therefore not only workload is big, and the processing technology complexity.Because existing electrolytic bath and anode electrode and cathode electrode are structure as a whole, electrolytic bath is an endless groove around anode electrode and cathode electrode, and the gap is less, adds the loading electrolyte inconvenience in electrolytic bath, therefore needs to use specific purpose tool.In addition because the bottom and the inner cap thereof of electrolytic bath is the plane, electrolytic solution is easy to generate bubble after in installing electrolytic bath additional, and this has influenced measuring accuracy.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of extremely common dissolved oxygen electrode, and this extremely common dissolved oxygen electrode not only cathode electrode long service life, anode electrode cleans easily, adds loading electrolyte conveniently, and the measuring accuracy height.
For solving the problems of the technologies described above, a kind of extremely common dissolved oxygen electrode of the present invention, it contains oxygen permeation membrane, anode electrode, cathode electrode, electrolytic bath, also contain electrode tip holder, this electrode tip holder is divided into top, middle part and bottom, the top of this electrode tip holder is the Rotary-table shape, the middle part of this electrode tip holder is provided with the Rotary-table of screw thread and its diameter Rotary-table diameter less than top for the surface, the bottom that this surface is provided with the Rotary-table of screw thread is provided with conical structure, the bottom of this electrode tip holder is the electrode core body of circular bar shape, the central authorities of this electrode core body are provided with wire guide, described cathode electrode is a column structure, this cathode electrode is embedded in the inside of electrode tip holder lower electrode core body lower surface, and the lower surface of this cathode electrode is parallel with the lower surface of electrode core body, the upper surface of cathode electrode links to each other with signal wire, this signal wire is by the wire guide extraction electrode seat of electrode core body central authorities, described anode electrode is the tubular structure shape, the anode electrode of this tubular structure shape is sleeved on the electrode core body, the inner chamber body of described electrolytic bath is a cup-like structure, inner chamber body comprises upper cavity and lower chamber, upper cavity is a cylindrical shape, its upper inside wall is provided with internal thread, the screw thread that this internal thread and Rotary-table surface, electrode tip holder middle part are provided with matches, the upper cavity bottom is a circular cone, lower chamber is the right cylinder of diameter between upper cavity diameter and electrode core diameter, described oxygen permeation membrane is arranged on the lower port of lower chamber, the electrode tip holder middle part surface is provided with on the Rotary-table of screw thread and is coated with sealing density ring, screw thread on this Rotary-table is screwedly mounted on the internal thread of electrolytic bath upper cavity inwall, and electrolytic bath is equipped with electrolytic solution.
Because cathode electrode is made into column structure, therefore to compare with existing schistose texture, prolong serviceable life greatly, reaches more than 5 years; Because anode electrode is made into the tubular structure shape, therefore to compare with existing spiral-shaped structure, its cleaning is very convenient; Because being positioned on the electrode core body of electrode tip holder and with electrolytic bath, anode electrode and cathode electrode respectively be separate part, and the upper port of electrolytic bath is uncovered, be structure as a whole with anode electrode and cathode electrode with existing electrolytic bath and compare, can directly in electrolytic bath, add loading electrolyte, do not need to use any specific purpose tool, it is convenient therefore to add loading electrolyte; Because the bottom of the upper cavity of electrolytic bath is a circular cone, and the bottom of electrode tip holder middle part Rotary-table is provided with conical structure, after filling it up with electrolytic solution in the electrolytic bath, electrode tip holder is in inserting electrolytic bath and being screwed process on it, bubble in the electrolytic solution can moving down because of electrode tip holder, run to electrode tip holder cone surface and be discharged from along this surface, because of there not being bubble in the electrolytic solution, so the measuring accuracy height.
Description of drawings
Fig. 1 is the structural representation of a kind of extremely common dissolved oxygen electrode of the present invention.
1. lower surfaces among the figure, 2. anode electrode, 3. wire guide, 4. electrode core body, 5. middle part, 6. sealing density ring, 7. electrode tip holder, 8. cone, 9. lower chamber, 10. upper cavity, 11. upper cavity bottom surfaces, 12. cathode electrodes, 13. oxygen permeation membranes, 14. electrolytic baths.
Embodiment
Among Fig. 1, a kind of extremely common dissolved oxygen electrode contains oxygen permeation membrane 13, anode electrode 2, cathode electrode 12, electrolytic bath 14.Extremely common dissolved oxygen electrode also contains electrode tip holder 7, and this electrode tip holder 7 is divided into top, middle part 5 and bottom.The top of this electrode tip holder 7 is the Rotary-table shape.The middle part 5 of this electrode tip holder 7 is provided with cone 8 structures for Rotary-table and its diameter that the surface is provided with screw thread less than the Rotary-table diameter on top, the bottom that this surface is provided with the Rotary-table of screw thread.The bottom of this electrode tip holder 7 is the electrode core body 4 of circular bar shape, and the central authorities of this electrode core body 4 are provided with wire guide 3.Cathode electrode 12 is a column structure, it is parallel with the lower surface of electrode core body 4 that this cathode electrode 12 is embedded in the lower surface of the inside of electrode tip holder 7 lower electrode core bodys 4 lower surfaces and this cathode electrode 12, the upper surface of cathode electrode 12 links to each other with signal wire, and this signal wire is by the wire guide 3 extraction electrode seats 7 of electrode core body 4 central authorities.Anode electrode 2 is the tubular structure shape, and the anode electrode 2 of this tubular structure shape is sleeved on the electrode core body 4.The inner chamber body of electrolytic bath 14 is a cup-like structure, and inner chamber body comprises upper cavity 10 and lower chamber 9.Upper cavity 10 matches for cylindrical shape, its upper inside wall are provided with the screw thread that the Rotary-table surface at the middle part 5 of internal thread, this internal thread and electrode tip holder 7 is provided with, upper cavity bottom 11 is a circular cone, and lower chamber 9 is the right cylinder of diameter between upper cavity 10 diameters and electrode core body 4 diameters.Oxygen permeation membrane 13 is arranged on the lower port 1 of lower chamber 9.Electrode tip holder 7 middle part surfaces are provided with the screw thread that is coated with on sealing density ring 6, this Rotary-table on the Rotary-table of screw thread and are screwedly mounted on the internal thread of electrolytic bath 14 upper cavities 10 inwalls, and electrolytic bath 14 is equipped with electrolytic solution.The present invention improves to form on the basis of existing technology, and cathode electrode 12 is made into column structure, compares with existing schistose texture like this, and prolong its serviceable life greatly, reaches more than 5 years; Anode electrode 2 is made into the tubular structure shape, compares with existing spiral-shaped structure like this, its cleaning is very convenient and swift, only needs the surface of anode electrode 2 is cleaned totally just passable; Anode electrode 2 and cathode electrode 12 are installed on the electrode core body 4 of electrode tip holder 7 and and respectively are made into independent parts with electrolytic bath 14, compare with existing integrative-structure, because of the upper port of electrolytic bath 14 is uncovered, can directly in electrolytic bath 14, add loading electrolyte, do not need to use any specific purpose tool, it is convenient therefore to add loading electrolyte; The upper cavity bottom 11 of electrolytic bath 14 is made into circular cone, and the bottom of the Rotary-table at the middle part 5 of electrode tip holder 7 is provided with conical structure, like this after filling it up with electrolytic solution in the electrolytic bath 14, electrode tip holder 7 is inserted electrolytic baths 14 and be screwedly mounted in the process of electrolytic bath 14, bubble in the electrolytic solution can moving down with electrode tip holder 7, run to cone 8 surface of electrode tip holder 7 and be discharged from, so do not have bubble in the electrolytic solution along this surface, thus the measuring accuracy height.
Claims (1)
1. extremely common dissolved oxygen electrode, it contains oxygen permeation membrane, anode electrode, cathode electrode, electrolytic bath, it is characterized in that: also contain electrode tip holder, this electrode tip holder is divided into top, middle part and bottom, the top of this electrode tip holder is the Rotary-table shape, the middle part of this electrode tip holder is provided with the Rotary-table of screw thread and its diameter Rotary-table diameter less than top for the surface, the bottom that this surface is provided with the Rotary-table of screw thread is provided with conical structure, the bottom of this electrode tip holder is the electrode core body of circular bar shape, the central authorities of this electrode core body are provided with wire guide, described cathode electrode is a column structure, this cathode electrode is embedded in the inside of electrode tip holder lower electrode core body lower surface, and the lower surface of this cathode electrode is parallel with the lower surface of electrode core body, the upper surface of cathode electrode links to each other with signal wire, this signal wire is by the wire guide extraction electrode seat of electrode core body central authorities, described anode electrode is the tubular structure shape, the anode electrode of this tubular structure shape is sleeved on the electrode core body, the inner chamber body of described electrolytic bath is a cup-like structure, inner chamber body comprises upper cavity and lower chamber, upper cavity is a cylindrical shape, its upper inside wall is provided with internal thread, the screw thread that this internal thread and Rotary-table surface, electrode tip holder middle part are provided with matches, the upper cavity bottom is a circular cone, lower chamber is the right cylinder of diameter between upper cavity diameter and electrode core diameter, described oxygen permeation membrane is arranged on the lower port of lower chamber, the electrode tip holder middle part surface is provided with on the Rotary-table of screw thread and is coated with sealing density ring, screw thread on this Rotary-table is screwedly mounted on the internal thread of electrolytic bath upper cavity inwall, and electrolytic bath is equipped with electrolytic solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010134303 CN101825598B (en) | 2010-03-29 | 2010-03-29 | Extremely common dissolved oxygen electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010134303 CN101825598B (en) | 2010-03-29 | 2010-03-29 | Extremely common dissolved oxygen electrode |
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| Publication Number | Publication Date |
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| CN101825598A true CN101825598A (en) | 2010-09-08 |
| CN101825598B CN101825598B (en) | 2013-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010134303 Expired - Fee Related CN101825598B (en) | 2010-03-29 | 2010-03-29 | Extremely common dissolved oxygen electrode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278494A (en) * | 2013-04-24 | 2013-09-04 | 中国科学院力学研究所 | Method and experimental device for detecting dissolved oxygen by optical and electrical combination |
| CN105044190A (en) * | 2015-07-06 | 2015-11-11 | 北京华科仪科技股份有限公司 | Nano-porous sensor and production method thereof |
Citations (5)
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| CN1371108A (en) * | 2001-02-16 | 2002-09-25 | 松下电器产业株式会社 | Solid electrolytic capacitor making process and apparatus |
| CN1789999A (en) * | 2004-12-13 | 2006-06-21 | 江苏江分电分析仪器有限公司 | Dissolved oxygen electrode |
| CN1793885A (en) * | 2005-12-10 | 2006-06-28 | 吉林市恒诚电力设备有限责任公司 | Trace dissolving oxygen electrochemical sensor |
| JP2006300530A (en) * | 2005-04-15 | 2006-11-02 | Fuji Electric Systems Co Ltd | Dissolved oxygen sensor |
| CN201637713U (en) * | 2010-03-29 | 2010-11-17 | 江苏省蓝大机电设备科技有限公司 | Extremely common oxygen-dissolved electrode |
-
2010
- 2010-03-29 CN CN 201010134303 patent/CN101825598B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371108A (en) * | 2001-02-16 | 2002-09-25 | 松下电器产业株式会社 | Solid electrolytic capacitor making process and apparatus |
| CN1789999A (en) * | 2004-12-13 | 2006-06-21 | 江苏江分电分析仪器有限公司 | Dissolved oxygen electrode |
| JP2006300530A (en) * | 2005-04-15 | 2006-11-02 | Fuji Electric Systems Co Ltd | Dissolved oxygen sensor |
| CN1793885A (en) * | 2005-12-10 | 2006-06-28 | 吉林市恒诚电力设备有限责任公司 | Trace dissolving oxygen electrochemical sensor |
| CN201637713U (en) * | 2010-03-29 | 2010-11-17 | 江苏省蓝大机电设备科技有限公司 | Extremely common oxygen-dissolved electrode |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278494A (en) * | 2013-04-24 | 2013-09-04 | 中国科学院力学研究所 | Method and experimental device for detecting dissolved oxygen by optical and electrical combination |
| CN103278494B (en) * | 2013-04-24 | 2015-11-04 | 中国科学院力学研究所 | A kind of method of photoelectricity compound detection dissolved oxygen and experimental provision |
| CN105044190A (en) * | 2015-07-06 | 2015-11-11 | 北京华科仪科技股份有限公司 | Nano-porous sensor and production method thereof |
| CN105044190B (en) * | 2015-07-06 | 2018-02-09 | 北京华科仪科技股份有限公司 | A kind of nanoporous sensor and preparation method thereof |
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| CN101825598B (en) | 2013-01-23 |
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Granted publication date: 20130123 Termination date: 20170329 |