CN204790103U - Water conservancy project is surveyed and is oozed with purpose -built single mode fiber of automatic control heat source - Google Patents

Water conservancy project is surveyed and is oozed with purpose -built single mode fiber of automatic control heat source Download PDF

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Publication number
CN204790103U
CN204790103U CN201520428772.5U CN201520428772U CN204790103U CN 204790103 U CN204790103 U CN 204790103U CN 201520428772 U CN201520428772 U CN 201520428772U CN 204790103 U CN204790103 U CN 204790103U
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filter screen
surveyed
oozed
automatic control
ring
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Withdrawn - After Issue
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CN201520428772.5U
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Chinese (zh)
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苏怀智
杨孟
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Hohai University HHU
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Hohai University HHU
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Abstract

The utility model discloses a water conservancy project is surveyed and is oozed with purpose -built single mode fiber of automatic control heat source, be equipped with single core optical fiber from inside to outside in proper order, the interior elastic layer that protects, adiabatic steel loop, the retaining ring is filled out to the inlayer, elasticity is encircled firmly, the thermal -insulated ring of applying arbitrarily of prevention of seepage, single core optical fiber is connected with a plurality of excircle cover pillars respectively, in passing in proper order, protects excircle cover pillar the elastic layer, adiabatic steel loop, the retaining ring is filled out to the inlayer, elasticity is encircled firmly and is connect with the thermal -insulated linkage of applying arbitrarily of prevention of seepage, the built -in drainage water storage cotton -padded covering that is filled with of excircle cover pillar, drainage water storage cotton -padded covering links to each other with the second filter screen, the second filter screen is outer to link to each other with first filter screen. The utility model discloses a water conservancy project is surveyed and is oozed with purpose -built single mode fiber of automatic control heat source fills out through protect elastic layer, adiabatic steel loop, inlayer in the single core optical fiber peripheral hardware that retaining ring, elasticity encircle firmly, the thermal -insulated ring of applying arbitrarily of prevention of seepage, realizes single core optical fiber's automatic alternating temperature, and form the great difference in temperature between single core optical fiber and environment, is applied to seepage flow and supervises time measuring, can show the degree of discerning and the practicality that promote seepage flow.

Description

A kind of water conservancy project is surveyed and is oozed with automatic control thermal source grill slip mode fiber
Technical field
The utility model relates to a kind of single-mode fiber, is specifically related to a kind of water conservancy project survey and oozes with automatic control thermal source grill slip mode fiber.
Background technology
The birth of optical fiber, not only for communication field brings innovation, also promotes major transformation and the development in sensor monitoring field.The strong anti-electromagnetic interference capability of optical fiber sensing technology, cheap cost, the technical advantage of distributed monitoring can be realized, promote it to apply more and more widely in the engineering safety such as water conservancy, building and health monitoring field, but due to the imperfection of technology itself and the singularity of working environment, optical fiber sensing technology is applied to hydro-structure seepage monitoring (particularly leakage and saturation monitoring), still has an a large amount of technical difficult problem effectively to be solved.Tradition is by the optimal design of fiber deployment scheme, though ooze precision and efficiency etc. for the survey of raising optical fiber to serve certain positive role, but still fundamentally can not solve traditional fiber and survey the technological deficiency and deficiency of oozing, and often significantly increase difficulty of construction and deployment cost, strongly limit the application of this technology in Practical Project and popularization.
When application sensor fibre carries out seepage monitoring, need at present to implement heating by external circuits to optical fiber more, not only require that optical fiber used has heating function for this reason, and the heater circuit of complete set will be built, thus the production cost of optical fiber is considerably increased, and owing to comparing the relation between voltage and heating optical fiber being difficult to coordinate external circuits in indoor and outdoor monitoring, heating optical fiber is often caused to occur voltage instability or excessive, even therefore, cause optical fiber namely to occur the soft phenomenon of even burning of sheath at short notice, serious harm is produced to operating personnel and instrument etc., in addition, be applied to the field monitoring of Practical Project, often lack necessary safety practice, comparatively difficulty laid by heater circuit, particularly for water conservancy and hydroelectric project, owing to being mostly seated remote districts, construction and running environment are extremely severe, and optical fiber is laid and the realization of heating function more not easily even cannot complete.Therefore, in the urgent need to taking into full account water conservancy project seepage monitoring feature and particular job environment, put forth effort on the production assembling of sensor fibre itself, development has the seepage monitoring special optic fibre of automatic control thermal source, oozes technical performance index and practical ability to promote optical fiber survey from source.
The utility model, just based on above-mentioned background and target, is met problem in conjunction with Practical Project and develops.Single core of the present utility model is arranged, can more effectively more directly detecting structure thing seepage flow, expands its range of application better; Inside protect elastic layer, five layers of laying that adiabatic steel loop, internal layer fill out retaining ring, the hard ring of elasticity, the heat insulation ring of applying arbitrarily of antiseepage, add the level of antiseepage, elastic buffer etc., engineering adaptability is stronger; The design that caves inward on four limits considerably increases direction and the scope of its monitoring; The simple designs of drainage water storage cotton-padded covering, the first filter screen and the second filter screen, enhances the adaptation of its entirety.
Utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides a kind of water conservancy project survey to ooze with automatic control thermal source grill slip mode fiber, in this utility model, the structure beyond four limits place of caving inward filter screen can carry out isolating and hindering oozing by the heat insulation ring of applying arbitrarily of antiseepage, under the synergy of the first filter screen gauze and the second filter screen gauze, wandering water is filtered, and the first filter screen gauze and the second filter screen gauze are laid with the flow control that anisodiametric through hole can realize wandering water, contacted with single-core fiber after by drainage water storage cotton-padded covering by the wandering water controlling seepage velocity, under different in flow rate, the contact of wandering water and single-core fiber achieves the automatic change of single-core fiber temperature, when extraneous seepage flow is larger, its seepage velocity is larger, then speed with single-core fiber contact velocity, cooling is at short notice faster, otherwise, slower.
Technical scheme: for achieving the above object, a kind of automatic control thermal source of the present utility model is surveyed to ooze and is used grill slip mode fiber, be provided with single-core fiber successively from inside to outside, inside protect elastic layer, adiabatic steel loop, internal layer fills out retaining ring, the hard ring of elasticity, the heat insulation ring of applying arbitrarily of antiseepage, single-core fiber overlaps pillar with some cylindricals respectively and is connected, elastic layer is protected in cylindrical cover pillar passes successively, adiabatic steel loop, internal layer fills out retaining ring, the hard ring of elasticity is connected with the heat insulation ring of applying arbitrarily of antiseepage, drainage water storage cotton-padded covering is filled with in cylindrical cover pillar, drainage water storage cotton-padded covering is connected with the second filter screen, second filter screen is laid with the second filter screen gauze through hole, second filter screen is outer to be connected with the first filter screen, first filter screen is laid with the first filter screen gauze through hole.
As preferably, the hard ring of described elasticity and the heat insulation ring of applying arbitrarily of antiseepage are irregular quadrilateral frame, and four limits of quadrilateral frame cave inward, and four angles of quadrilateral frame are fillet, can be engaged better, realize cooperative transformation with structure to be measured.
As preferably, the first filter screen gauze through-hole aperture that described first filter screen is laid is greater than the second filter screen gauze through-hole aperture that the second filter screen is laid, and the difference in its aperture will more than 2 times.
As preferably, described cylindrical cover pillar has four, lays respectively in 0 ° of single-core fiber, 90 °, 180 °, 270 ° radial directions.
As preferably, described first filter screen and the second filter screen are all positioned at the heat insulation ring of applying arbitrarily of antiseepage.
Single-core fiber in the utility model can more effectively more directly detecting structure thing wandering water, and its range of application can be expanded better, also the convenient manufacturing, protect elastic layer in employing, five layers of laying that adiabatic steel loop, internal layer fill out retaining ring, the hard ring of elasticity, the heat insulation ring of applying arbitrarily of antiseepage, add the level of antiseepage, elastic buffer etc., engineering adaptability is strong.
The utility model has carried out the design that caves inward on four limits, considerably increases direction and the scope of its monitoring, can realize 0 °, 90 °, 180 °, 270 ° multi-faceted monitorings.In order to be matched in multi-faceted monitoring better, devising the drainage water storage cotton-padded covering of correspondence direction, the first filter screen and the second filter screen, easily manufacturing, and owing to being only connected with single-mode fiber, more enhancing the adaptation of its entirety.
In the utility model, the structure beyond four limits place of caving inward filter screen can carry out isolating and hindering oozing by the heat insulation ring of applying arbitrarily of antiseepage, under the synergy of the first filter screen gauze and the second filter screen gauze, wandering water is filtered, and the first filter screen gauze and the second filter screen gauze are laid with the flow control that anisodiametric through hole can realize wandering water, contacted with single-core fiber after by drainage water storage cotton-padded covering by the wandering water controlling seepage velocity, under different in flow rate, the contact of wandering water and single-core fiber achieves the automatic change of single-core fiber temperature, when extraneous seepage flow is larger, its seepage velocity is larger, then speed with single-core fiber contact velocity, cooling is at short notice faster, otherwise, slower, the utility model can realize the automatic temperature changing based on the actual seepage flow situation in the external world.
Beneficial effect: water conservancy project of the present utility model is surveyed and oozed with automatic control thermal source grill slip mode fiber, by protecting elastic layer in being provided with outside single-core fiber, adiabatic steel loop, internal layer fill out retaining ring, the hard ring of elasticity, the heat insulation ring of applying arbitrarily of antiseepage, the automatic temperature changing of single-core fiber can be realized, and the larger temperature difference can be formed between single-core fiber and environment, when being applied to seepage monitoring, significantly can promote identification and the practicality of seepage flow.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of cylindrical cover pillar in Fig. 1.
In figure, in 200-the 3rd transition protruding end, 201-cylindrical cover pillar, 202-second transition protruding end, 203-First Transition protruding end, 204-first filter screen gauze through hole, 205-first filter screen, 206-second filter screen, 207-second filter screen gauze through hole, 208-drainage water storage cotton-padded covering, the adiabatic steel loop of 209-, 210-, protect elastic layer, 211-single-core fiber, 212-internal layer fill out retaining ring, the hard ring of 213-elasticity, the heat insulation ring of applying arbitrarily of 214-antiseepage.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As depicted in figs. 1 and 2, a kind of water conservancy project of the present utility model is surveyed and is oozed with automatic control thermal source grill slip mode fiber, be provided with single-core fiber 211 successively from inside to outside, inside protect elastic layer 210, adiabatic steel loop 209, internal layer fills out retaining ring 212, the hard ring 213 of elasticity, the heat insulation ring 214 of applying arbitrarily of antiseepage, single-core fiber 211 overlaps pillar 201 with four cylindricals respectively and is connected, lay respectively at 0 ° of single-core fiber 211, 90 °, 180 °, in 270 ° of radial directions, elastic layer 210 is protected in cylindrical cover pillar 201 passes successively, adiabatic steel loop 209, internal layer fills out retaining ring 212, the hard ring of elasticity 213 is connected with the heat insulation ring 214 of applying arbitrarily of antiseepage, drainage water storage cotton-padded covering 208 is filled with in cylindrical cover pillar 201, drainage water storage cotton-padded covering 208 mainly will by the first filter screen 205, the filtered infiltration of second filter screen 206 is directed on single-core fiber, and of short duration for infiltration is stored in cotton-padded covering, first filter screen 205, second filter screen 206 mainly filters the impurity filtering of will wherein adulterate to wandering water, the via design of varying aperture can realize the control of seepage velocity, drainage water storage cotton-padded covering 208 is connected with the second filter screen 206, second filter screen 206 is laid with the second filter screen gauze through hole 207, second filter screen 206 is outer to be connected with the first filter screen 205, the first filter screen 205 is laid with the first filter screen gauze through hole 204.Inside protecting elastic layer 210 is be made up of TPE thermoplastic elastomer; Adiabatic steel loop 209 is made up of the low alloy steel of Q345 type; It is be made up of linear low density polyethylene material that internal layer fills out retaining ring 212; The hard ring 213 of elasticity is made up of polyester elastomer materials, the structure that the heat insulation ring 214 of applying arbitrarily of antiseepage is made up of raw materials such as polyacrylic acid part, magnesium oxide, sodium silicate, stearic acid, phosphoric acid hydrogen two aluminium.
Inside protect elastic layer 210 mainly directly to contact with single-core fiber, play the effect of buffering and protection optical fiber; Adiabatic steel loop 209 is blocked in outside and protection by the interior heat protecting part beyond elastic layer 210 to protect elastic layer 210.Internal layer is filled out retaining ring 212 and is mainly filled blank between adiabatic steel loop 209 and the hard ring 213 of elasticity, makes structure more closely sealed; The hard ring 213 of elasticity plays to connect and second time protective effect, internal layer is filled out retaining ring 212 and be connected with the heat insulation ring 214 of applying arbitrarily of antiseepage, and each assembly of protection inside is from damage; The heat insulation ring 214 of applying arbitrarily of antiseepage mainly plays the infiltration preventing extraneous water body and the transmission blocking external heat.
In the utility model, the hard ring of described elasticity 213 and the heat insulation ring 214 of applying arbitrarily of antiseepage are for irregular quadrilateral frame, four limits of quadrilateral frame cave inward, four angles of quadrilateral frame are fillet, are respectively the 3rd transition protruding end 202, transition protruding end 200, second, First Transition protruding end 203 that the heat insulation ring 214 of applying arbitrarily of antiseepage, the hard ring 213 of elasticity and internal layer fill out retaining ring 212 formation.The aperture of the first filter screen gauze through hole 204 that the first filter screen 205 is laid is greater than the aperture of the second filter screen gauze through hole 207 that the second filter screen 206 is laid, and the difference in its aperture will more than 2 times, the first filter screen 205 and the second filter screen 206 are all positioned at the heat insulation ring 214 of applying arbitrarily of antiseepage.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (5)

1. a water conservancy project is surveyed and is oozed with automatic control thermal source grill slip mode fiber, it is characterized in that: be provided with single-core fiber successively from inside to outside, inside protect elastic layer, adiabatic steel loop, internal layer fills out retaining ring, the hard ring of elasticity, the heat insulation ring of applying arbitrarily of antiseepage, described single-core fiber overlaps pillar with some cylindricals respectively and is connected, elastic layer is protected in cylindrical cover pillar passes successively, adiabatic steel loop, internal layer fills out retaining ring, the hard ring of elasticity is connected with the heat insulation ring of applying arbitrarily of antiseepage, drainage water storage cotton-padded covering is filled with in cylindrical cover pillar, drainage water storage cotton-padded covering is connected with the second filter screen, second filter screen is laid with the second filter screen gauze through hole, second filter screen is outer to be connected with the first filter screen, first filter screen is laid with the first filter screen gauze through hole.
2. water conservancy project according to claim 1 is surveyed and is oozed with automatic control thermal source grill slip mode fiber, it is characterized in that: the hard ring of described elasticity and the heat insulation ring of applying arbitrarily of antiseepage are irregular quadrilateral frame, four limits of quadrilateral frame cave inward, and four angles of quadrilateral frame are fillet.
3. water conservancy project according to claim 2 is surveyed and is oozed with automatic control thermal source grill slip mode fiber, it is characterized in that: the first filter screen gauze through-hole aperture that described first filter screen is laid is greater than the second filter screen gauze through-hole aperture that the second filter screen is laid, and the difference in its aperture will more than 2 times.
4. water conservancy project according to claim 3 is surveyed and is oozed with automatic control thermal source grill slip mode fiber, it is characterized in that: described cylindrical cover pillar has four, lays respectively in 0 ° of single-core fiber, 90 °, 180 °, 270 ° radial directions.
5. water conservancy project according to claim 4 is surveyed and is oozed with automatic control thermal source grill slip mode fiber, it is characterized in that: described first filter screen and the second filter screen are all positioned at the heat insulation ring of applying arbitrarily of antiseepage.
CN201520428772.5U 2015-06-19 2015-06-19 Water conservancy project is surveyed and is oozed with purpose -built single mode fiber of automatic control heat source Withdrawn - After Issue CN204790103U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104977673A (en) * 2015-06-19 2015-10-14 河海大学 Automatic control heat source specially-produced single-mode fiber for hydraulic engineering seepage monitoring
CN108957659A (en) * 2018-07-23 2018-12-07 江苏景源泓科技有限公司 A kind of single mode optical fiber of the automatic control heat source for hydraulic permeation measurement

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104977673A (en) * 2015-06-19 2015-10-14 河海大学 Automatic control heat source specially-produced single-mode fiber for hydraulic engineering seepage monitoring
CN104977673B (en) * 2015-06-19 2016-03-02 河海大学 A kind of water conservancy project is surveyed and is oozed with automatic control thermal source grill slip mode fiber
WO2016201969A1 (en) * 2015-06-19 2016-12-22 河海大学 Single-mode optical fiber having automatic control heat source specifically produced for hydraulic seepage measurement
GB2556478A (en) * 2015-06-19 2018-05-30 Univ Hohai Single-mode optical fiber having automatic control heat source specially produced for hydraulic seepage measurement
US10095000B2 (en) 2015-06-19 2018-10-09 Hohai University Single-mode optical fiber having automatic control heat source specifically produced for hydraulic seepage measurement
GB2556478B (en) * 2015-06-19 2019-03-13 Univ Hohai Single-mode optical fiber with automatically controlled temperature difference in seepage water under different flow rates for hydraulic seepage measurement
CN108957659A (en) * 2018-07-23 2018-12-07 江苏景源泓科技有限公司 A kind of single mode optical fiber of the automatic control heat source for hydraulic permeation measurement

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20151118

Effective date of abandoning: 20160302

C25 Abandonment of patent right or utility model to avoid double patenting