CN105782444A - Seal assembly with detectable displacement of seal surfaces and use method of seal assembly - Google Patents
Seal assembly with detectable displacement of seal surfaces and use method of seal assembly Download PDFInfo
- Publication number
- CN105782444A CN105782444A CN201510998812.4A CN201510998812A CN105782444A CN 105782444 A CN105782444 A CN 105782444A CN 201510998812 A CN201510998812 A CN 201510998812A CN 105782444 A CN105782444 A CN 105782444A
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- CN
- China
- Prior art keywords
- flange
- displacement
- ring body
- ring
- black box
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
Abstract
The invention relates to a seal assembly with the detectable displacement of seal surfaces and a use method of the seal assembly. The seal assembly is mounted between a first flange and a second flange and comprises an annular body and a displacement sensor arranged in the annular body, wherein the displacement sensor penetrates through the annular body and makes contact with the first flange and the second flange. The displacement sensor is arranged in the annular body and penetrates through the annular body, and upper and lower surfaces of the displacement sensor make contact with the first flange and the second flange, so that the displacement sensor can be used for effectively measuring the change of the relative displacement between seal surfaces of the flanges and the surface of the annular body.
Description
Technical field
The present invention relates to a kind of black box, be specifically related to a kind of sealing surface displacement and can detect black box and using method thereof.
Background technology
For nuclear power, field of petrochemical industry visual plant and have radioactivity, poisonous and harmful, high-risk chemical seal occasion sealed product, its sealing leak require very strict.How to control sealing leak and become the important issue of current industrial circle.In prior art; although there being sealed product can realize seal point is carried out Site Detection at present; but sealing scene must be arrived by personnel and just can carry out leakage situation detection; and due to the restriction of environmental condition; do not possess the condition detected at any time often, can only can detect when can reach the condition of personnel's entrance by environment at the scene, particularly in poisonous and hazardous high-risk chemical substance occasion; detection difficulty is just bigger, and the personal safety of testing staff is also resulted in certain risk.And, when this can not continuous detecting, there is blind area in detection, it is possible to big leakage by chance occurs when not possessing testing conditions, and makes leaking medium diffusion cause the probability of security incident to increase.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art to provide a kind of sealing surface displacement can detect black box.
For solving above technical problem, a kind of technical scheme that the present invention takes is: a kind of sealing surface displacement can detect black box, it is arranged between the first flange and the second flange, it includes ring body and is arranged at the intrinsic displacement transducer of described ring, and institute's displacement sensors runs through described ring body and contacts with described first flange and described second flange respectively.
Optimally, sealing ring is collected in the leakage that it also includes in the main seal ring be located on described ring body and the axial both ends of the surface being respectively arranged on described ring body, described main seal ring is respectively provided with sealing structure in the axial both ends of the surface of described ring body, and described leakage is collected sealing ring and is positioned at radial outside or the inner side of described main seal ring；Described main seal ring and described leakage collect the ring between sealing ring this internal be further opened with communicating with the axial both ends of the surface of described ring body draw small opening, this internal being further opened with of described ring draws, with described, the mozzle that small opening is connected.
Further, described first flange is with to be provided with first in the middle part of the end face that described ring body contacts protruding, described second flange be provided with first protruding corresponding second protruding with described in the middle part of the end face that described ring body contacts, institute's displacement sensors is protruding more than described first with the distance of described ring body axial line or/and the radius of described second projection.
Further, described mozzle is connected with being positioned at this external connecting tube of described ring, and the outer end of described connecting tube is connected to the Leak Detection mechanism for the amount of leaking medium is detected.
Further, it also includes the control analysis institution that is connected respectively with institute's displacement sensors and described Leak Detection mechanism.
A further object of the present invention is in that the using method providing a kind of above-mentioned sealing surface displacement can detect black box, and it comprises the following steps:
A described black box is arranged between the first flange and the second flange by (), make the axial line of described ring body, described first flange and described second flange all overlap；
B () adjusts described first flange and the position of described second flange, multiple first bolts hole making described first flange are corresponding with multiple second bolts hole of described second flange, and described first flange and described second flange are fixed together by insertion bolt wherein so that the upper and lower surface of displacement transducer fits with described first flange and described second flange respectively；
C detecting instrument and institute's displacement sensors are electrically connected by (), measure described black box with described first flange or/and the change of described second flange relative displacement.
Optimally, in step (a), make described leakage collect the distance of sealing ring and described ring body axial line protruding less than described first or/and the radius of described second projection, and institute's displacement sensors is protruding more than described first with the distance of described ring body axial line or/and the radius of described second projection.
Further, in step (c), institute's displacement sensors is connected with controlling analysis institution with described Leak Detection mechanism, analyzes institute's displacement sensors and the signal of described Leak Detection mechanism transmission, obtain the corresponding relation between change and the dielectric leakage amount of described flange face relative displacement.
Owing to technique scheme is used, the present invention compared with prior art has the advantage that sealing surface displacement of the present invention can detect black box, by at ring, this internal arranges displacement transducer, and this displacement transducer runs through ring body, its upper and lower surface contacts with the first flange, the second flange respectively, and displacement transducer so can be utilized effectively to measure the change of relative displacement between flange sealing surface and ring body surface.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation that sealing surface displacement of the present invention can detect black box first embodiment；
Accompanying drawing 2 is the structural representation that sealing surface displacement of the present invention can detect black box the second embodiment；
Accompanying drawing 3 is the use state diagram that sealing surface displacement of the present invention can detect black box the 3rd embodiment；
Accompanying drawing 4 is the use schematic diagram that sealing surface displacement of the present invention can detect black box the 4th embodiment；
Accompanying drawing 5 is the configuration state figure that sealing surface displacement of the present invention can detect black box the 5th embodiment；
Accompanying drawing 6 is the use schematic diagram that sealing surface displacement of the present invention can detect black box the 5th embodiment；
Accompanying drawing 7 is the use use figure that sealing surface displacement of the present invention can detect black box sixth embodiment；
Wherein, 100, black box；1, ring body；11, internal ring；12, outer shroud；2, main seal ring；3, sealing ring is collected in leakage；4, displacement transducer；5, small opening is drawn；6, mozzle；7, connecting tube；8, Leak Detection mechanism；200, the first flange；201, first is protruding；300, the second flange；301, second is protruding.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiment of the invention is described in detail:
Sealing surface displacement as shown in Figures 1 to 4 can detect black box 100, and it is arranged between the first flange 200 and the second method 300, mainly includes ring body 1 and displacement transducer 4.
Wherein, ring body 1 includes internal ring 11 and outer shroud 12.Displacement transducer 4 is arranged in ring body 1, and it is perpendicular to ring body 1, and runs through ring body 1 top and bottom of displacement transducer 4 are contacted with first flange the 200, second flange 300 respectively.Displacement transducer 4 so can be utilized effectively to measure the change of relative displacement between flange sealing surface and ring body 1 surface.
Black box 100 also includes main seal ring 2 and sealing ring 3 is collected in leakage.Main seal ring 2 is located between internal ring 11 and outer shroud 12, and what it adopted is O-ring seal, and namely its upper and lower end face constitutes two ends for sealing, with parts to be sealed, the sealing structure contacted.Leakage is collected sealing ring 3 and is located on the upper and lower end face of outer shroud 12, and namely leakage collection sealing ring 3 is positioned at the radial outside or inner side that seal structure.Draw small opening 5 and mozzle 6 is all opened on outer shroud 12；Drawing small opening 5 and collect the ring body 1 between sealing ring 3 at displacement transducer 4 and leakage, it communicates with the axial both ends of the surface of ring body 1；Mozzle 6 is connected with drawing small opening 5, and it radially extends on outer shroud 12.The leaking medium so leaked out can flow into mozzle 6 through drawing small opening 5, thus leakage situation is monitored.
In the present embodiment, first flange 200 be provided with the first projection 201 in the middle part of the end face that ring body 1 contacts, second flange 300 be provided with 201 corresponding second projections 301 protruding with first in the middle part of the end face that ring body 1 contacts, the distance of displacement transducer 4 and ring body 1 axial line more than first protruding 201 or/and the radius of the second projection 301；Which produces beyond thought effect: the accuracy of detection of displacement transducer 4 is higher, thus improving the sensitivity to dielectric leakage detection.Mozzle 6 is connected with the connecting tube 7 being positioned at outside ring body 1, and the outer end of connecting tube 7 is connected to the Leak Detection mechanism 8(for the amount of leaking medium is detected as shown in Figs. 5 to 7).Displacement transducer 4 can be connected with control analysis institution with Leak Detection mechanism 8 (their connected mode all can adopt remotely detection or Site Detection) simultaneously, so can accept the signal of they conveyings and it is processed.
The using method of the above-mentioned black box detecting leaking medium pressure, it comprises the following steps:
A black box 100 is arranged between the first flange 200 and the second flange 300 by (), make the axial line of ring body the 1, first flange 200 and the second flange 300 all overlap；
B () adjusts the position of the first flange 200 and the second flange 200, multiple second bolts hole making multiple first bolts hole of the first flange 200 and the second flange are corresponding, and the first flange 200 and the second flange 300 are fixed together by insertion bolt wherein so that the upper and lower surface of displacement transducer 4 fits with the first flange 200 and the second flange 300 respectively；
C detecting instrument and displacement transducer 4 are electrically connected by (), measure black box 100 and the first flange 200 or/and the change of the second flange 300 relative displacement.
In step (a), make leakage collect sealing ring 3 and the distance of ring body 1 axial line and be preferably smaller than first protruding or/and the radius of the second projection, and the distance of displacement transducer 4 and ring body 1 axial line more than first protruding 201 or/and the radius of the second projection 301.In step (c), displacement transducer 4 is connected with controlling analysis institution with Leak Detection mechanism 8, analyze displacement transducer 4 and the signal of Leak Detection mechanism 8 transmission, obtain the corresponding relation between the change of flange face relative displacement and dielectric leakage amount, in order to practical application can directly judge sealing leak situation by the change in displacement of flange face.
Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this, can not limit the scope of the invention with this.All equivalences made according to spirit of the invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (8)
1. a sealing surface displacement can detect black box, it is arranged between the first flange and the second flange, it is characterized in that: it includes ring body and is arranged at the intrinsic displacement transducer of described ring, institute's displacement sensors runs through described ring body and contacts with described first flange and described second flange respectively.
2. sealing surface displacement according to claim 1 can detect black box, it is characterized in that: sealing ring is collected in the leakage that it also includes in the main seal ring be located on described ring body and the axial both ends of the surface being respectively arranged on described ring body, described main seal ring is respectively provided with sealing structure in the axial both ends of the surface of described ring body, and described leakage is collected sealing ring and is positioned at the radial outside of described main seal ring；Described main seal ring and described leakage collect the ring between sealing ring this internal be further opened with communicating with the axial both ends of the surface of described ring body draw small opening, this internal being further opened with of described ring draws, with described, the mozzle that small opening is connected.
3. sealing surface displacement according to claim 2 can detect black box, it is characterized in that: described first flange is with to be provided with first in the middle part of the end face that described ring body contacts protruding, described second flange be provided with first protruding corresponding second protruding with described in the middle part of the end face that described ring body contacts, institute's displacement sensors is protruding more than described first with the distance of described ring body axial line or/and the radius of described second projection.
4. the sealing surface displacement according to Claims 2 or 3 can detect black box, it is characterized in that: described mozzle is connected with being positioned at this external connecting tube of described ring, and the outer end of described connecting tube is connected to the Leak Detection mechanism for the amount of leaking medium is detected.
5. sealing surface displacement according to claim 4 can detect black box, it is characterised in that: it also includes the control analysis institution being connected respectively with institute's displacement sensors and described Leak Detection mechanism.
6. in claim 1 to 5, arbitrary described sealing surface displacement can detect the using method of black box, it is characterised in that it comprises the following steps:
A described black box is arranged between the first flange and the second flange by (), make the axial line of described ring body, described first flange and described second flange all overlap；
B () adjusts described first flange and the position of described second flange, multiple first bolts hole making described first flange are corresponding with multiple second bolts hole of described second flange, and described first flange and described second flange are fixed together by insertion bolt wherein so that the upper and lower surface of displacement transducer fits with described first flange and described second flange respectively；
C detecting instrument and institute's displacement sensors are electrically connected by (), measure described black box with described first flange or/and the change of described second flange relative displacement.
7. described in claim 6, sealing surface displacement can detect the using method of black box, it is characterized in that: in step (a), make described leakage collect the distance of sealing ring and described ring body axial line protruding less than described first or/and the radius of described second projection, and institute's displacement sensors is protruding more than described first with the distance of described ring body axial line or/and the radius of described second projection.
8. described in claim 7, sealing surface displacement can detect the using method of black box, it is characterized in that: in step (c), institute's displacement sensors is connected with controlling analysis institution with described Leak Detection mechanism, analyze institute's displacement sensors and the signal of described Leak Detection mechanism transmission, obtain the corresponding relation between change and the dielectric leakage amount of described flange face relative displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998812.4A CN105782444B (en) | 2015-12-28 | 2015-12-28 | A kind of sealing surface displacement can detect seal assembly and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510998812.4A CN105782444B (en) | 2015-12-28 | 2015-12-28 | A kind of sealing surface displacement can detect seal assembly and its application method |
Publications (2)
| Publication Number | Publication Date |
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| CN105782444A true CN105782444A (en) | 2016-07-20 |
| CN105782444B CN105782444B (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510998812.4A Active CN105782444B (en) | 2015-12-28 | 2015-12-28 | A kind of sealing surface displacement can detect seal assembly and its application method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2607753A1 (en) * | 2011-12-21 | 2013-06-26 | Kempchen Dichtungstechnik GmbH | Flange seal ring and flange comprising an annular sealing surface |
| US20140333035A1 (en) * | 2013-05-10 | 2014-11-13 | Foce Technology International Bv | Gasket pressure sensor |
| CN104179975A (en) * | 2014-07-22 | 2014-12-03 | 西安电子科技大学 | Controllable mechanical seal based on closing force change |
| CN104747720A (en) * | 2015-03-27 | 2015-07-01 | 苏州宝骅机械技术有限公司 | Sealing assembly capable of sensing sealing leakage automatically |
| CN104806761A (en) * | 2015-03-16 | 2015-07-29 | 武汉理工大学 | Fiber bragg grating sensor based intelligent flange gasket |
| CN205207664U (en) * | 2015-12-28 | 2016-05-04 | 苏州宝骅机械技术有限公司 | Sealed face displacement detectable seal assembly |
-
2015
- 2015-12-28 CN CN201510998812.4A patent/CN105782444B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2607753A1 (en) * | 2011-12-21 | 2013-06-26 | Kempchen Dichtungstechnik GmbH | Flange seal ring and flange comprising an annular sealing surface |
| US20140333035A1 (en) * | 2013-05-10 | 2014-11-13 | Foce Technology International Bv | Gasket pressure sensor |
| CN104179975A (en) * | 2014-07-22 | 2014-12-03 | 西安电子科技大学 | Controllable mechanical seal based on closing force change |
| CN104806761A (en) * | 2015-03-16 | 2015-07-29 | 武汉理工大学 | Fiber bragg grating sensor based intelligent flange gasket |
| CN104747720A (en) * | 2015-03-27 | 2015-07-01 | 苏州宝骅机械技术有限公司 | Sealing assembly capable of sensing sealing leakage automatically |
| CN205207664U (en) * | 2015-12-28 | 2016-05-04 | 苏州宝骅机械技术有限公司 | Sealed face displacement detectable seal assembly |
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| CN105782444B (en) | 2017-12-29 |
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Address after: Shuangfeng town Taicang city Suzhou City, Jiangsu province 215415 rich economic development zone Applicant after: Suzhou Bao Hua sealing Polytron Technologies Inc Address before: Shuangfeng town Taicang city Suzhou City, Jiangsu province 215415 rich economic development zone Applicant before: Suzhou Baohua Mechanical Technology Co., Ltd. |
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