CN204346542U - Split type electric-contact electrode sensor - Google Patents
Split type electric-contact electrode sensor Download PDFInfo
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- CN204346542U CN204346542U CN201420518235.5U CN201420518235U CN204346542U CN 204346542 U CN204346542 U CN 204346542U CN 201420518235 U CN201420518235 U CN 201420518235U CN 204346542 U CN204346542 U CN 204346542U
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- pottery
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- conductive bar
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Abstract
The utility model discloses a kind of split type electric-contact electrode sensor, comprise electrode conductive bar, one end of described electrode conductive bar is provided with electrode catheter; The periphery of described electrode conductive bar is provided with ceramics insulator, comprises pottery and ceramic ring in high strength, is provided with fastening pottery in described high strength between pottery and ceramic ring; Be filled with the first sealed graphite between pottery in described fastening pottery and high strength, form the inner ring seal structure of electrode sensor; The outside of pottery is provided with metal pressure ring in described high strength, is filled with the second sealed graphite, forms the outer ring seal of electrode sensor in described metal pressure ring and high strength between pottery; The utility model has the advantage of: solve traditional electrode sensor braze weld seam and the perishable leakage problems of traditional ceramics, greatly improve electrode life; Flexible sealing graphite annulus sealing means is safe and reliable, and electrode catheter acid-fast alkali-proof is corrosion-resistant, extends serviceable life, has accomplished in the operating period non-maintaining.
Description
Technical field
The utility model relates to a kind of level measuring electrode sensor, specifically a kind of for the split type electric-contact electrode sensor in High Temperature High Pressure steam medium-tight container, belongs to electrode sensor field.
Background technology
At present, existing electric-contact electrode sensor major defect is, insulated part adopts brazing mode between metal and pottery to reach sealing function, and pottery plays insulating effect.But soldered seam and welding material, in the steam medium having certain corrosive High Temperature High Pressure, be easily corroded, leak at weld seam or welding material place, steam medium enters in electrode, and electrode ceramic loses sealing and insulating effect, makes electrode lose sensing effect.This kind of electrode life and reliability are generally no more than 12 months, and most half a year is just ineffective.Serviceable life and the reliability of inlet electrode sensor all improve a lot, but expensive most users does not adopt.Exactly because serviceable life and the reliability of electrode sensor are very poor, so a lot of electric contact measurement mechanism is idle or only make reference.The electric contact measurement mechanism of critical positions, needs to change owing to often leaking, causes certain hidden danger to the personal safety of maintainer.
Meanwhile, another shortcoming of existing electrode sensor is that electrode mounting means is unreasonable, and most employing cushioning fit sealing method, this master slave mode reliability is low.In use for some time, sealing effectiveness decline is often leaked.
Utility model content
In order to solve the problem, the utility model devises a kind of split type electric-contact electrode sensor, utilizes the different sensed water level height of steam resistivity of media, under the environment for use of static seal, greatly improves the reliability of electrode.
The technical solution of the utility model is:
Split type electric-contact electrode sensor, comprises electrode conductive bar, and one end of described electrode conductive bar is provided with electrode catheter, for sampling and output signal; Described electrode catheter is stainless steel probe, and acid-fast alkali-proof is corrosion-resistant, extends serviceable life, has accomplished in the operating period non-maintaining; The periphery of described electrode conductive bar is provided with ceramics insulator and comprises pottery and ceramic ring in high strength, fastening pottery is provided with between pottery and ceramic ring in described high strength, in high strength, pottery is as first order insulation system, and as upper end sealed body, fastening pottery is as second level insulation system, and as intermediate seal main body, ceramic ring as third level insulation system, and as lower end sealed body; Be filled with the first sealed graphite between pottery in described fastening pottery and high strength, form the inner ring seal structure of electrode sensor; The outside of pottery is provided with metal pressure ring in described high strength, is filled with the second sealed graphite, forms the outer ring seal of electrode sensor in described metal pressure ring and high strength between pottery.
Further, described electrode conductive bar is provided with the first clamp nut and the second clamp nut, described first clamp nut is arranged on the side of described fastening pottery, described second clamp nut is arranged on the side of described ceramic ring, compress graphite and reach certain seal request, compress external seal graphite after assembling electrode tip holder and reach final seal request.
Further, the outside of described ceramics insulator is provided with electrode inner sleeve, puts and be provided with gland by steel pad in described electrode, is provided with the 3rd sealed graphite between described electrode inner sleeve and steel pad.
The utility model uses soft graphite ring as hermetically-sealed construction, do not adopt sealed with brazing mode, adopt multistage graphite annulus, break traditional sealed with brazing design concept, have employed fabricated hermetically-sealed construction, reasonable in design compact, the life-span, long reliability was high, easy installation and removal, is beneficial to and changes and safeguard.
The body seal of the utility model detachable electrode sensor adopts the hermetically-sealed construction of high pressure valve, high pressure valve is under motive seal environment for use, can sealing effectiveness be ensured, in business's electric pole type static seal environment for use, sealing grade and reliability have had sufficient guarantee, solve electrode insulation and sealing reliability problem, electrode is easy for installation, for ease of maintenaince changes.
The utility model split type electric-contact electrode sensor project organization is compact, the high and easy installation and removal of life-span long reliability, is convenient to change and safeguard, solves old-fashioned electrode and easily leaks and easily produce security hidden trouble.
The utility model has the advantage of: solve traditional electrode sensor braze weld seam and the perishable leakage problems of traditional ceramics, greatly improve electrode life; Flexible sealing graphite annulus sealing means is safe and reliable, and electrode catheter acid-fast alkali-proof is corrosion-resistant, extends serviceable life, has accomplished in the operating period non-maintaining.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the electrode structure schematic diagram of the utility model embodiment;
Fig. 2 is the electrode mounting structure schematic diagram of the utility model embodiment;
In figure: 1-electrode catheter; Pottery in 2-high strength; 3-first sealed graphite; 4-first clamp nut; 5-electrode inner sleeve; 6-high top knurled nut; 7-electrode conductive bar; 8-second clamp nut; 9-ceramic ring; The fastening pottery of 10-; 11-second sealed graphite; 12-metal pressure ring; 21-electric contact cylindrical shell; 22-stub (tube); 23-the 3rd sealed graphite; 24-gland; 25-steel pad; 26-electrode.
Embodiment
Below preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the utility model, and be not used in restriction the utility model.
Embodiment 1
As shown in Figure 1, a kind of split type electric-contact electrode sensor, comprises electrode conductive bar 7, and one end of described electrode conductive bar 7 is provided with electrode catheter 1, for sampling and output signal; Described electrode catheter 1 is stainless steel probe, and acid-fast alkali-proof is corrosion-resistant, extends serviceable life, has accomplished in the operating period non-maintaining; The periphery of described electrode conductive bar 7 is provided with ceramics insulator and comprises pottery 2 and ceramic ring 9 in high strength, fastening ceramic 10 are provided with between pottery 2 and ceramic ring 9 in described high strength, in high strength, pottery 2 is as first order insulation system, and as upper end sealed body, fastening ceramic 10 as second level insulation system, and as intermediate seal main body, ceramic ring 9 as third level insulation system, and as lower end sealed body; Be filled with the first sealed graphite 3 between described fastening ceramic 10 and the interior pottery 2 of high strength, form the inner ring seal structure of electrode sensor; In described high strength, the outside of pottery 2 is provided with metal pressure ring 12, is filled with the second sealed graphite 11, forms the outer ring seal of electrode sensor between described metal pressure ring 12 and the interior pottery 2 of high strength;
Described electrode conductive bar 7 is provided with the first clamp nut 4 and the second clamp nut 8, described first clamp nut 4 is arranged on the described fastening side of ceramic 10, described second clamp nut 8 is arranged on the side of described ceramic ring 9, compress graphite and reach certain seal request, compress external seal graphite after assembling electrode tip holder and reach final seal request;
The outside of described ceramics insulator is provided with electrode inner sleeve 5, and described electrode inner sleeve 5 is provided with gland 24 by steel pad 25, is provided with the 3rd sealed graphite 23 between described electrode inner sleeve 5 and steel pad 25.
The utility model uses soft graphite ring as hermetically-sealed construction, do not adopt sealed with brazing mode, adopt multistage graphite annulus, break traditional sealed with brazing design concept, have employed fabricated hermetically-sealed construction, reasonable in design compact, the life-span, long reliability was high, easy installation and removal, is beneficial to and changes and safeguard.
The body seal of the utility model detachable electrode sensor adopts the hermetically-sealed construction of high pressure valve, high pressure valve is under motive seal environment for use, can sealing effectiveness be ensured, in business's electric pole type static seal environment for use, sealing grade and reliability have had sufficient guarantee, solve electrode insulation and sealing reliability problem, electrode is easy for installation, for ease of maintenaince changes.
As shown in Figure 2, installation steps are as follows: stub (tube) 22 is welded on electric contact cylindrical shell 21 by (1); (2) the utility model detachable electrode sensor 26 is inserted in stub (tube) 22; (3) the 3rd sealed graphite 24, steel pad 25 are installed in electrode inner sleeve 5; (4) be screwed into gland 4, compress steel pad 5 and graphite annulus, reach seal request, gland pre-fastening moment 60Nm.
The utility model split type electric-contact electrode sensor project organization is compact, the high and easy installation and removal of life-span long reliability, is convenient to change and safeguard, solves old-fashioned electrode and easily leaks and easily produce security hidden trouble.
Claims (1)
1. a split type electric-contact electrode sensor, it is characterized in that: comprise electrode conductive bar, one end of described electrode conductive bar is provided with electrode catheter, described electrode catheter is stainless steel probe, the periphery of described electrode conductive bar is provided with ceramics insulator, comprise pottery and ceramic ring in high strength, fastening pottery is provided with between pottery and ceramic ring in described high strength, in described high strength, pottery is as first order insulation system, and as upper end sealed body, described fastening pottery is as second level insulation system, and as intermediate seal main body, described ceramic ring is as third level insulation system, and as lower end sealed body, be filled with the first sealed graphite between pottery in described fastening pottery and high strength, form the inner ring seal structure of electrode sensor, the outside of pottery is provided with metal pressure ring in described high strength, is filled with the second sealed graphite, forms the outer ring seal of electrode sensor in described metal pressure ring and high strength between pottery,
Described electrode conductive bar is provided with the first clamp nut and the second fastening screw, and described first clamp nut is arranged on the side of described fastening pottery, and described second clamp nut is arranged on the side of described ceramic ring;
The outside of described ceramics insulator is provided with electrode inner sleeve, puts and be provided with gland by steel pad in described electrode, is provided with the 3rd sealed graphite between described electrode inner sleeve and steel pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420518235.5U CN204346542U (en) | 2014-09-11 | 2014-09-11 | Split type electric-contact electrode sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420518235.5U CN204346542U (en) | 2014-09-11 | 2014-09-11 | Split type electric-contact electrode sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204346542U true CN204346542U (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420518235.5U Expired - Fee Related CN204346542U (en) | 2014-09-11 | 2014-09-11 | Split type electric-contact electrode sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204346542U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092260A (en) * | 2016-06-06 | 2016-11-09 | 哈尔滨研拓科技发展有限公司 | A kind of high accuracy discrete type capacitance level transducer |
| CN106099526A (en) * | 2016-08-18 | 2016-11-09 | 华能无锡电热器材有限公司 | A kind of high temperature resistant, hold the insulation electric installation of high pressure |
| CN106248172A (en) * | 2016-09-23 | 2016-12-21 | 高澎 | Multiple self sealss no-welding-seam level electrode device |
| CN107489416A (en) * | 2017-10-09 | 2017-12-19 | 吴尽生 | The containment member and its installation method of a kind of microelectrode |
| CN110081949A (en) * | 2019-04-26 | 2019-08-02 | 南通航海机械集团有限公司 | Ceramic post sintering formula sensor steam generator liquid level measuring system and preparation method thereof |
-
2014
- 2014-09-11 CN CN201420518235.5U patent/CN204346542U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092260A (en) * | 2016-06-06 | 2016-11-09 | 哈尔滨研拓科技发展有限公司 | A kind of high accuracy discrete type capacitance level transducer |
| CN106092260B (en) * | 2016-06-06 | 2019-02-19 | 哈尔滨研拓科技发展有限公司 | A kind of high-precision discrete type capacitance level transducer |
| CN106099526A (en) * | 2016-08-18 | 2016-11-09 | 华能无锡电热器材有限公司 | A kind of high temperature resistant, hold the insulation electric installation of high pressure |
| CN106248172A (en) * | 2016-09-23 | 2016-12-21 | 高澎 | Multiple self sealss no-welding-seam level electrode device |
| CN106248172B (en) * | 2016-09-23 | 2019-02-15 | 高澎 | Multiple self-sealing no-welding-seam level electrode device |
| CN107489416A (en) * | 2017-10-09 | 2017-12-19 | 吴尽生 | The containment member and its installation method of a kind of microelectrode |
| CN110081949A (en) * | 2019-04-26 | 2019-08-02 | 南通航海机械集团有限公司 | Ceramic post sintering formula sensor steam generator liquid level measuring system and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20170911 |