CN201716288U - Apparatus for measuring and controlling dissolved oxygen and measuring probe head thereof - Google Patents
Apparatus for measuring and controlling dissolved oxygen and measuring probe head thereof Download PDFInfo
- Publication number
- CN201716288U CN201716288U CN2010202094710U CN201020209471U CN201716288U CN 201716288 U CN201716288 U CN 201716288U CN 2010202094710 U CN2010202094710 U CN 2010202094710U CN 201020209471 U CN201020209471 U CN 201020209471U CN 201716288 U CN201716288 U CN 201716288U
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- China
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- electrode cavity
- head end
- cavity housing
- locking cap
- electrode
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- Measuring Oxygen Concentration In Cells (AREA)
Abstract
The utility model discloses an apparatus for measuring and controlling dissolved oxygen and a measuring probe head thereof. The probe head comprises a probe head shell and an electrode assembled therein. The probe head shell comprises an electrode cavity shell, wherein the head end of the electrode cavity shell is internally provided with an electrode cavity; the electrode cavity shell is provided with a locking cap; the head end of the locking cap is provided with a head end opening which is correspondingly communicated with a through hole at the head end of the electrode cavity shell; a film which is used for sealing the through hole at the head end of the electrode cavity shell is arranged between the locking cap and the electrode cavity shell; the head end of the locking cap is provided with an annular cover body in an integral way, and the annular cover body is peripherally enclosed around the opening of the head end; the end face of the head end of the electrode cavity shell is provided with an annular groove which faces to the annular cover body around the through hole and is internally provided with a head sealing ring; and the film is pressed by the annular cover body of the locking cap to be covered on the corresponding surface of the head sealing ring. As an O-shaped ring is sealed between the electrode cavity shell and the film, the electrode cavity is hard to communicate with the external world. Therefore, the utility model prevents the electrolyte from leaking and prevents the external liquid from entering the electrode cavity.
Description
Technical field
The utility model relates to pond culture oxygenation control device.
Background technology
The pond dissolved oxygen DO is the most important water-quality guideline of pond culture, during the pond waters anoxic, can pass through aerator oxygenation, for realizing timely oxygenation and avoiding invalid oxygenation, use pond dissolved oxygen DO measurement and control instrument to measure the dissolved oxygen DO of pond waters and aerator is controlled automatically in the prior art by control circuit, existing pond dissolved oxygen DO measurement and control instrument comprises main frame, sensor, external contactor, external alarm etc., Sensor section wherein is made up of sampler and the measuring sonde that is assemblied on the sampler, wherein sampler can adopt float-type or sunk, wherein measuring sonde need be installed the film of hydrophobic oxygen flow on the electrode cavity opening of measuring sonde termination, existing film mounting means has two kinds, a kind of is to be pressed on the electrode cavity opening of measuring sonde termination by locking cap and pressure ring assembly, sealing effectiveness is bad, and the easy and outside conducting of electrode cavity causes the electrolytic solution in the electrode cavity to ooze out and influences measurement effect; Another kind is that film directly is adhesively fixed on the locking cap inboard, and film can't change, and needs the assembly of whole erection film during replacing, the replacement cost height.
The utility model content
The purpose of this utility model be to provide a kind of electrode cavity good seal the dissolved oxygen DO measurement and control instrument measuring sonde and use the dissolved oxygen DO measurement and control instrument of this probe.
Dissolved oxygen DO measurement and control instrument of the present utility model with the technical scheme of measuring sonde is: a kind of dissolved oxygen DO measurement and control instrument measuring sonde, the electrode that comprises probing shell and interior assembling thereof, probing shell comprise its head end in establish the electrode cavity housing of electrode cavity, electrode cavity housing head end has the through hole that exposes of termination of the power supply utmost point, on the described electrode cavity housing locking cap is housed, the locking cap head end has the corresponding head end opening that communicates of through hole with electrode cavity housing head end, the film of through hole of the head end of enclosed-electrode cavity shell is housed between locking cap and the electrode cavity housing, the head end of described locking cap is integrally formed with and is located in the parameatal annular lid of described head end, offer towards the ring-shaped groove of described annular lid and in wherein being equipped with an O-ring seal around through hole on the end face of the head end of described electrode cavity housing, the be locked annular lid of cap of described film compresses on the corresponding surface that is covered in an O-ring seal.
Described locking cap and electrode cavity housing are by being clasped, being threaded or the clamping of bail crank slot or bonding mode being fastening and apply axial force compresses film and O-ring seal.
Described locking cap is installed on the electrode cavity housing by thread connecting mode, is folded with annular gasket in annular cover plate in the described locking cap between the end face of locking cap tail end and film.
Described annular gasket is that periphery is bowl-type and is buckled on the corresponding ring platform that is provided with of electrode cavity housing head end, and described film is located between annular gasket and the described ring platform, and the edge of film is pressed abd fixed on by annular gasket and encircles the platform periphery.
The technical scheme of dissolved oxygen DO measurement and control instrument of the present utility model is: the dissolved oxygen DO measurement and control instrument comprises by the float bowl-type sampler and is assemblied in the sensor that the measuring sonde on the sampler is formed, measuring sonde comprise probing shell comprise its head end in establish the electrode cavity housing of electrode cavity, electrode cavity housing head end has the through hole that exposes of termination of the power supply utmost point, on the described electrode cavity housing locking cap is housed, the locking cap head end has the corresponding head end opening that communicates of through hole with electrode cavity housing head end, the film of through hole of the head end of enclosed-electrode cavity shell is housed between locking cap and the electrode cavity housing, the head end of described locking cap is integrally formed with and is located in the parameatal annular lid of described head end, offer towards the ring-shaped groove of described annular lid and in wherein being equipped with an O-ring seal around through hole on the end face of the head end of described electrode cavity housing, the be locked annular lid of cap of described film compresses on the corresponding surface that is covered in an O-ring seal.
Described locking cap and electrode cavity housing are by being clasped, being threaded or the clamping of bail crank slot or bonding mode being fastening and apply axial force compresses film and O-ring seal.
Described locking cap is installed on the electrode cavity housing by thread connecting mode, is folded with annular gasket in annular cover plate in the described locking cap between the end face of locking cap tail end and film.
Described annular gasket is that periphery is bowl-type and is buckled on the corresponding ring platform that is provided with of electrode cavity housing head end, and described film is located between annular gasket and the described ring platform, and the edge of film is pressed abd fixed on by annular gasket and encircles the platform periphery.
Adopt seal with O ring between electrode cavity housing in dissolved oxygen DO measurement and control instrument of the present utility model and the measuring sonde thereof and the film, and adopt locking cap to compress film and enclose to contact with O shape and be sealed and matched, electrode cavity is difficult to and extraneous conducting, prevents that solution leakage and extraneous liquid from entering electrode cavity.
Further, locking cap of the present utility model is fixed on the electrode cavity housing by the mode of being spirally connected, when screwing locking cap, can apply axial pretightning force so that the distortion of O shape circle, make film contact tightr with the sealing of O shape circle, simultaneously folder is established pad between film and locking cap, and pad compresses film and directly contacts with film when avoiding the locking cap rotation and tear in shreds film.
Further, probing shell of the present utility model adopts the sheathed branch body structure of electrode cavity housing and electrode shell, and adopt the seal with O ring electrode cavity housing of butt-end packing and the corresponding end-faces of electrode shell, and both guaranteed the sealing of electrode cavity housing, be convenient to the dismounting of popping one's head in again.
Description of drawings
Fig. 1 is the structural representation of the embodiment of measuring sonde of the present utility model;
Fig. 2 is the local detail cut-open view of Fig. 1 probe head;
Fig. 3 is the structural representation of dissolved oxygen DO measurement and control instrument of the present utility model.
Embodiment
As shown in Figure 1 and Figure 2, the embodiment of measuring sonde of the present utility model, the electrode that comprises probing shell and interior assembling thereof, probing shell comprises the electrode cavity housing 3 of suit on the electrode shell 1 that is used to assemble electrode and institute's connection circuit thereof, the electrode shell 1, and described electrode cavity housing 3 head ends are equipped with locking cap 4.
Described electrode shell 1 comprise the cylindric back cover 11 of afterbody and head elongated bar shape pole skeleton 12 and electrode cavity base 13 is set between the two, the tail end of pole skeleton 12 is integrally formed at the central authorities of electrode cavity base 13, and electrode 2 is arranged on the end face of head end of pole skeleton 12.The periphery of electrode cavity base 13 is by the screw thread described electrode cavity housing 3 that spins, electrode cavity housing 3 is established the hollow tube-shape structure of electrode cavity 31 in being, electrode cavity housing 3 end to end two ends offer respectively offer 31 that communicate with electrode cavity, hold head, tail end through hole 34,35 that described pole skeleton 12 wears and exposes.Described locking cap 4 is the hollow cylinder of both ends open, be provided with external thread engagement corresponding on internal thread and electrode cavity housing 3 side faces in the tail end opening of locking cap 4, the head end opening 42 of locking cap 4 and the head end through hole of electrode cavity housing 3 34 corresponding communicating, the head end of locking cap 4 is integrally formed with and is located in described head end opening 42 annular lid 41 on every side, offer on the end face of the head end of described electrode cavity housing 3 towards the ring-shaped groove 36 of described annular lid 41 and in wherein being equipped with an O-ring seal 8, O-ring seal 8 adopts the insulation elastic materials, as rubber, teflon.
Between annular cover plate 41 and described O-ring seal 8, be folded with annular gasket 7 and film 6 in the described locking cap 4, annular gasket 7 peripheries are bowl-type and are buckled on the corresponding ring platform 37 that is provided with of electrode cavity housing 3 head ends, the film 6 of hydrophobic oxygen flow is located between annular gasket 7 and the described ring platform 37, the edge of film 6 is pressed abd fixed on ring platform 37 peripheries by annular gasket 7, so that the middle part of film 6 is tauted that the corresponding surface that is covered in an O-ring seal 8 is gone up and from the electrode 2 corresponding surfaces that electrode cavity 31 is exposed, and in head end enclosed electrode chamber 31.
Described electrode cavity base 13 offers annular groove 131 and is equipped with tail O-ring seal 5 therein on the end face of electrode cavity housing 3, when electrode cavity housing 3 and electrode cavity base 13 screw, the end face 38 corresponding with described tail O-ring seal 5 of described electrode cavity housing 3 inside compresses with described tail O-ring seal 5 and is sealed and matched, from tail end sealing electrode cavity 31.
Locking cap 4 in the foregoing description is connected by the mode of being spirally connected with electrode cavity housing 3 and a film 6 and an O-ring seal 8 is applied axial pretightning force, can certainly adopt other fastening means that can keep applying axial pre tightening force, lock and apply axial force such as locking cap and electrode cavity housing by the mode of being clasped of hangnail or chain shot and draw-in groove and compress film and O-ring seal; Perhaps locking cap axially is being fixed together by bonding way behind the relative pretension with the electrode cavity housing; Perhaps locking cap is locked together by the mode that bail cooperates with crank slot with the electrode cavity housing.
In addition, probing shell both can be used for the corresponding socket inserting of the floating drum sampler of dissolved oxygen DO measurement and control instrument in the foregoing description, also can cooperate with the sunk sampler.
As shown in Figure 3, the embodiment of dissolved oxygen DO measurement and control instrument of the present utility model, comprise main frame 20, sensor, sensor is made up of the measuring sonde 22 that float bowl-type sampler 21 is assemblied on the float bowl-type sampler 21, in the corresponding socket of the rising pipe 23 of described measuring sonde 22 insertings on sampler 21,24 is water inlet pipe among Fig. 3,25 for being connected in lead between measuring sonde 22 and the main frame 20, show among the structure of measuring sonde and Fig. 1, Fig. 2 and above-mentioned measuring sonde embodiment described in the measuring sonde structure identical.
Claims (10)
1. dissolved oxygen DO measurement and control instrument measuring sonde, the electrode that comprises probing shell and interior assembling thereof, probing shell comprise its head end in establish the electrode cavity housing of electrode cavity, electrode cavity housing head end has the through hole that exposes of termination of the power supply utmost point, on the described electrode cavity housing locking cap is housed, the locking cap head end has the corresponding head end opening that communicates of through hole with electrode cavity housing head end, the film of through hole of the head end of enclosed-electrode cavity shell is housed between locking cap and the electrode cavity housing, it is characterized in that: the head end of described locking cap is integrally formed with and is located in the parameatal annular lid of described head end, offer towards the ring-shaped groove of described annular lid and in wherein being equipped with an O-ring seal around through hole on the end face of the head end of described electrode cavity housing, the be locked annular lid of cap of described film compresses on the corresponding surface that is covered in an O-ring seal.
2. dissolved oxygen DO measurement and control instrument measuring sonde according to claim 1 is characterized in that: described locking cap and electrode cavity housing are by being clasped, being threaded or the clamping of bail crank slot or bonding mode being fastening and apply axial force compresses film and O-ring seal.
3. dissolved oxygen DO measurement and control instrument measuring sonde according to claim 2, it is characterized in that: described locking cap is installed on the electrode cavity housing by thread connecting mode, is folded with annular gasket in annular cover plate in the described locking cap between the end face of locking cap tail end and film.
4. dissolved oxygen DO measurement and control instrument measuring sonde according to claim 3, it is characterized in that: described annular gasket is that periphery is bowl-type and is buckled on the corresponding ring platform that is provided with of electrode cavity housing head end, described film is located between annular gasket and the described ring platform, and the edge of film is pressed abd fixed on ring platform periphery by annular gasket.
5. according to any described dissolved oxygen DO measurement and control instrument measuring sonde in the claim 1～4, it is characterized in that: described probing shell comprises the electrode shell that is used for installing electrodes that independently is provided with the split of described electrode cavity housing, described electrode shell comprise the cylindric back cover of afterbody and head elongated bar shape the pole skeleton and the electrode cavity base is set between the two, described electrode cavity housing is sheathed on the pole skeleton, the periphery of electrode cavity base is by the screw thread described electrode cavity housing that spins, described electrode cavity base offers annular groove and is equipped with the tail O-ring seal therein on the end face of electrode cavity housing, the electrode cavity housing be provided with one towards the end face of its tail end when electrode cavity housing and electrode cavity base screw and described tail O-ring seal compress and be sealed and matched.
6. dissolved oxygen DO measurement and control instrument, comprise by the float bowl-type sampler and be assemblied in the sensor that the measuring sonde on the sampler is formed, measuring sonde comprise probing shell comprise its head end in establish the electrode cavity housing of electrode cavity, electrode cavity housing head end has the through hole that exposes of termination of the power supply utmost point, on the described electrode cavity housing locking cap is housed, the locking cap head end has the corresponding head end opening that communicates of through hole with electrode cavity housing head end, the film of through hole of the head end of enclosed-electrode cavity shell is housed between locking cap and the electrode cavity housing, it is characterized in that: the head end of described locking cap is integrally formed with and is located in the parameatal annular lid of described head end, offer towards the ring-shaped groove of described annular lid and in wherein being equipped with an O-ring seal around through hole on the end face of the head end of described electrode cavity housing, the be locked annular lid of cap of described film compresses on the corresponding surface that is covered in an O-ring seal.
7. dissolved oxygen DO measurement and control instrument according to claim 6 is characterized in that: described locking cap and electrode cavity housing are by being clasped, being threaded or the clamping of bail crank slot or bonding mode being fastening and apply axial force compresses film and O-ring seal.
8. dissolved oxygen DO measurement and control instrument according to claim 7, it is characterized in that: described locking cap is installed on the electrode cavity housing by thread connecting mode, is folded with annular gasket in annular cover plate in the described locking cap between the end face of locking cap tail end and film.
9. dissolved oxygen DO measurement and control instrument according to claim 8, it is characterized in that: described annular gasket is that periphery is bowl-type and is buckled on the corresponding ring platform that is provided with of electrode cavity housing head end, described film is located between annular gasket and the described ring platform, and the edge of film is pressed abd fixed on ring platform periphery by annular gasket.
10. according to any described dissolved oxygen DO measurement and control instrument in the claim 6～9, it is characterized in that: described probing shell comprises the electrode shell that is used for installing electrodes that independently is provided with the split of described electrode cavity housing, described electrode shell comprise the cylindric back cover of afterbody and head elongated bar shape the pole skeleton and the electrode cavity base is set between the two, described electrode cavity housing is sheathed on the pole skeleton, the periphery of electrode cavity base is by the screw thread described electrode cavity housing that spins, described electrode cavity base offers annular groove and is equipped with the tail O-ring seal therein on the end face of electrode cavity housing, the electrode cavity housing be provided with one towards the end face of its tail end when electrode cavity housing and electrode cavity base screw and described tail O-ring seal compress and be sealed and matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202094710U CN201716288U (en) | 2010-05-31 | 2010-05-31 | Apparatus for measuring and controlling dissolved oxygen and measuring probe head thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202094710U CN201716288U (en) | 2010-05-31 | 2010-05-31 | Apparatus for measuring and controlling dissolved oxygen and measuring probe head thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201716288U true CN201716288U (en) | 2011-01-19 |
Family
ID=43462293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202094710U Expired - Fee Related CN201716288U (en) | 2010-05-31 | 2010-05-31 | Apparatus for measuring and controlling dissolved oxygen and measuring probe head thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201716288U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007984A (en) * | 2016-10-27 | 2018-05-08 | 恩德莱斯和豪瑟尔分析仪表两合公司 | The method for measuring the probe interior of probe and filling measurement probe |
| CN111387991A (en) * | 2020-03-27 | 2020-07-10 | 北京秋满实医疗科技有限公司 | Medical percutaneous oxygen and carbon dioxide probe film coating device |
-
2010
- 2010-05-31 CN CN2010202094710U patent/CN201716288U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007984A (en) * | 2016-10-27 | 2018-05-08 | 恩德莱斯和豪瑟尔分析仪表两合公司 | The method for measuring the probe interior of probe and filling measurement probe |
| US10746688B2 (en) | 2016-10-27 | 2020-08-18 | Endress+Hauser Conducta Gmbh+Co. Kg | Measuring probe and method for filling a probe interior |
| CN108007984B (en) * | 2016-10-27 | 2020-12-04 | 恩德莱斯和豪瑟尔分析仪表两合公司 | Measuring probe and method for filling the interior of a measuring probe |
| CN111387991A (en) * | 2020-03-27 | 2020-07-10 | 北京秋满实医疗科技有限公司 | Medical percutaneous oxygen and carbon dioxide probe film coating device |
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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: 20110119 Termination date: 20180531 |