CN204287517U - Works seepage of paddling is without thermal source fiber orientation orientation system - Google Patents

Works seepage of paddling is without thermal source fiber orientation orientation system Download PDF

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Publication number
CN204287517U
CN204287517U CN201420852596.3U CN201420852596U CN204287517U CN 204287517 U CN204287517 U CN 204287517U CN 201420852596 U CN201420852596 U CN 201420852596U CN 204287517 U CN204287517 U CN 204287517U
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seepage
retaining wall
cylindrical retaining
monitoring
fine
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苏怀智
杨孟
李皓
李星
傅兆庆
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Hohai University HHU
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Hohai University HHU
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Abstract

The utility model discloses one and paddle works seepage without thermal source fiber orientation orientation system, comprise the seepage monitoring device that several are connected by runing rest, second seepage monitoring unit of the first symmetrical seepage monitoring unit and symmetrical distribution before and after described seepage monitoring device comprises, seepage flow measuring optical fiber is distributed with, the seepage situation of works of being paddled by the monitoring of seepage flow measuring optical fiber in first seepage monitoring unit and the second seepage monitoring unit.One of the present utility model paddles works seepage without thermal source fiber orientation orientation system, has without the need to the feature such as heating, distributed, polytropism, synchronism, at reduction monitoring cost, promotes in monitoring accuracy and practical application etc. and has outstanding advantage.

Description

Works seepage of paddling is without thermal source fiber orientation orientation system
Technical field
The utility model relates to a kind of locating and orienting of structural hidden danger of paddling, and is specifically related to one and paddles works seepage without thermal source fiber orientation orientation system.
Background technology
Seepage flow affects in water conservancy project, extra large work and underground works etc. the key factor of works safety and effectivity military service of paddling and outstanding disease, especially for the rock structure such as earth and rockfill dam, dyke thing, it is caused by the derivative various problems of the different seepage of degree and seepage that considerable damage even has an accident, according to statistics, destroy because of seepage more than 1/3rd in China's dike breaching more than 90%, earth-rock works.The advanced practical leakage orienting of research and development and orientation device, device and discrimination method, reliable detection is paddled seepage occurs in works position, scope, direction and size, take the impervious measure of effective antiseepage in time, guarantee engineering safety is extremely important.
At present for works leakage orienting and the directional monitoring of paddling, over-borrowing helps point type seepage flow sensor, but due to measuring point limited, often occur undetected situation, and there is the deficiencies such as volume is large, lead-in wire is many, compatibility is poor more in traditional seepage flow sensor.Along with the development of distributed optical fiber sensing monitoring technology, research and development can be used for paddling the distribution type fiber-optic device for identifying in works leak location and direction and method, day by day cause concern and the input of engineering circles and scientific worker.But domestic and international existing distribution type fiber-optic is surveyed and oozed technology, how need heat testing fiber by peripheral hardware thermal source, if adding situations such as hankering generation external packing layer breakage or electric leakage, will threaten to the personal safety of operating personnel, and affecting monitoring result; In addition, paddling in works Service Environment, peripheral hardware current flow heats system is often difficult to ensure, greatly hinders the application of this technology in Practical Project and popularization.
Utility model content
Goal of the invention: in order to overcome the deficiencies in the prior art, the utility model provides one to paddle works seepage without thermal source fiber orientation orientation system, have without the need to the feature such as heating, distributed, polytropism, synchronism, at reduction monitoring cost, promote in monitoring accuracy and practical application etc. there is outstanding advantage.
Technical scheme: for solving the problems of the technologies described above, one of the present utility model paddles works seepage without thermal source fiber orientation orientation system, comprise the seepage monitoring device that several are connected by runing rest, the second seepage monitoring unit of the first symmetrical seepage monitoring unit and symmetrical distribution before and after described seepage monitoring device comprises;
Described first seepage monitoring unit comprises first year fine recessed channel of stationary monitoring fiber unit, be provided with outside first year fine recessed channel and carry fine sheath, first year fine recessed channel two ends is respectively equipped with the left fibre end that carries and carries fibre end with right, the left fibre end that carries is connected with Zuo Lianqiu by the left handle that connects, the right fibre end that carries is connected with the right ball that connects by the right handle that connects, Zuo Lianqiu and the ball-joint of right company are at overarm brace two ends, and overarm brace to the left and right both sides is extended with left bearing pin and right bearing pin;
Described second seepage monitoring unit comprises second year fine recessed channel of stationary monitoring fiber unit, the two ends of second year fine recessed channel are respectively equipped with uploads fine arc end and downloads fine arc end, upload fine arc end to connect handle by upper arc and be connected with upper connecting shaft ball, download fine arc end to connect handle by arc lower and be connected with lower connecting shaft ball, upper connecting shaft ball and lower connecting shaft ball-joint are at the two ends of chevron end carriage, chevron end carriage is extended with chevron projection, in chevron projection, is provided with the conical bore coordinated with left bearing pin and right bearing pin;
Described runing rest comprises the first supporting framework post and the second supporting framework post, described first supporting framework post one end is connected with overarm brace, the other end is connected with end circular turntable, end circular turntable is provided with circular turntable, second supporting framework post one end is connected with the overarm brace of another seepage monitoring device, the other end is inserted in circular turntable, end circular turntable and upper circular turntable center are provided with vertical beam of the logical end, first supporting framework post and the second supporting framework post can rotate around vertical beam of the logical end respectively, and vertical beam upper and lower side of the logical end is provided with turntable circular groove for being closed by vertical beam of the logical end.
As preferably, the lower horizontal gird that described overarm brace comprises horizontal gird and is connected with upper horizontal gird, the two ends of upper horizontal gird and lower horizontal gird extend left truss beam and right truss beam respectively, the left truss beam of upper horizontal gird and lower horizontal gird and right truss beam respectively with Zuo Lianqiu and right connect ball-joint, the middle part of upper horizontal gird and lower horizontal gird is respectively equipped with upper end slot and lower end slot, upper end slot is connected with the first supporting framework post, and lower end slot is connected with the first supporting framework post of another runing rest.
As preferably, described upper horizontal gird is provided with T-shaped shape crossbeam draw-in groove, and lower horizontal gird is provided with the crossbeam boss moved along T-shaped shape crossbeam draw-in groove.
As preferably, described monitoring fiber unit comprises a seepage flow measuring optical fiber and two demarcation optical fiber, demarcate the both sides that optical fiber is positioned at seepage flow measuring optical fiber for two, seepage flow measuring optical fiber overcoat has hard steel ring, demarcation optical fiber overlaps from inside to outside successively adiabatic insulation and hard sheath, the upper concave edge internal layer connected successively is provided with outside seepage flow measuring optical fiber, left chimb internal layer, lower concave edge internal layer and right chimb internal layer, upper concave edge internal layer is provided with concave edge middle level outward successively and upper concave edge is outer, left chimb internal layer is provided with left chimb middle level outward successively and left chimb is outer, lower concave edge internal layer is provided with lower concave edge middle level outward successively and lower concave edge is outer, right chimb internal layer is provided with right chimb middle level outward successively and right chimb is outer.The lowermost end of concave structure collects the possible seepage flow water body in neighboring area by as easy as rolling off a log, be exaggerated the action effect of little seepage flow, support the use with the dialysis rod of lowermost end, substantially increase the identification capability to faint seepage or initial stage seepage, this arc section structure will farthest expand the residence time of the flow domain seepage flow water body in seepage flow measuring optical fiber and contact area, and the location for seepage flow position, district to be measured has higher accuracy guarantee effect; In addition; upper concave edge skin has antiseepage, antiseptic property; and devise the upper concave edge middle level similar with its cross sectional shape and upper concave edge internal layer immediately; three layers of concavity project organization improve intensity and the toughness of this seepage monitoring special optical cable, can play protection inner structure and the effect such as to increase the service life.Wherein hard sheath is in the outside of adiabatic insulation, with demarcation optical fiber contact inside adiabatic insulation, when seepage flow water body is applied to region to be measured, under the effect of adiabatic insulation, demarcate light be in the state contacted without any heat with the external world, it will as reference demarcation optical fiber, another demarcation optical fiber of symmetrical layout can carry out secondary correction to the result with reference to demarcation optical fiber, and it will farthest guarantee the objective and accurate property of normative reference.The outer contrary chime outer with concave edge of the outer and right chimb of left chimb, the design of this contrary correspondence considerably increases the sectional area of seepage flow special optical cable, improve contact more closely knit between monitoring device with structure to be measured and be connected, enhance the concertedness of monitoring device and structure to be measured, and be arranged to each three-decker around, one of effect is to increase the compartment thickness demarcating optical fiber place, and the strength of materials and toughness constantly increase from inside to outside, not only increase its inner flexible transition with demarcating optical fiber to be connected, also add the effect of the outside larger seepage water pressure of opposing, left chimb skin and right chimb skin have corrosion resistance, improve the ability of itself and the long-term co-existence of seepage flow water body, under the complex environment of corrosive ion that may adulterate, its seepage monitoring has better effect.
As preferably, described seepage flow measuring optical fiber both sides are connected with upper dialysis rod and lower dialysis rod respectively, upper dialysis rod contacts with extraneous seepage current through hard steel ring, upper concave edge internal layer, upper concave edge middle level and upper concave edge skin successively, and lower dialysis rod contacts with extraneous seepage current through hard steel ring, lower concave edge internal layer, lower concave edge middle level and lower concave edge skin successively.
As preferably, outside described monitoring fiber unit, cylindrical retaining wall is installed, described cylindrical retaining wall comprises upper left cylindrical retaining wall, lower-left cylindrical retaining wall, upper right cylindrical retaining wall and bottom right cylindrical retaining wall, upper left cylindrical retaining wall, lower-left cylindrical retaining wall, upper right cylindrical retaining wall and bottom right cylindrical retaining wall define concave-convex type and carry fine chamber, monitoring fiber unit is positioned at concave-convex type and carries fine chamber, tight by uploading fine padlock between upper left cylindrical retaining wall and upper right cylindrical retaining wall, it is tight that lower-left cylindrical retaining wall and bottom right cylindrical retaining wall pass through to download fine padlock, upper left cylindrical retaining wall and lower-left cylindrical retaining wall rotate around left round change respectively, upper right cylindrical retaining wall and bottom right cylindrical retaining wall rotate around right round change respectively.Valley portion in the monitoring fiber unit of concave-convex design is carried out secondary supplement by the near round cross-section of cylindrical retaining wall, to inner seepage flow special optical cable will be arranged in form the structure of an outer cross section approximate circle shape, compensate for the possible drawback of production that its unique texture brings, transport and existence in laying; Cylindrical retaining wall can be opened around left round change and right round change, the concave-convex type of cylindrical retaining wall inside carries fine chamber and seepage flow special optical cable of the present utility model critically can be embedded into concave-convex type and carry in fine chamber, the uploading fine button and download fine button cylindrical retaining wall firm closure of cylindrical retaining wall top and bottom, prevents cylindrical retaining wall from loosening or the interference of extraneous other factors such as artificially; And cylindrical retaining wall and concave-convex type to carry between fine chamber be cavity design, for space has been reserved in possible use operation.
In the utility model, first supporting framework post is connected with the lower end slot of the upper end slot in upper horizontal gird or lower horizontal gird, the first supporting framework post other end is connected with end circular turntable, after lower rotation thread end is connected with end turntable screw channel, the seepage monitoring device of its one end can carry out freely rotating without dead angle with 360 ° of other end seepage monitoring device no conflict round vertical beam of the logical end, one end of upper rotation thread end is connected with the supporting framework post of its respective side, the other end of upper rotation thread end is connected with upper turntable screw channel, it can be driven the seepage monitoring device be connected by respective side link thread end to do noiseless 360 ° around vertical beam of the logical end at opposite side and freely rotate, upper circular turntable and the upper and lower changing of the relative positions of end circular turntable are arranged and can be realized the non-interfering running of near device, can carry out arbitrarily angled and gradient layout to difference region to be measured, upper circular turntable and end circular turntable are firmly fixed on vertical beam place, the logical end by the arrangement of upper and lower turntable circular groove.
As preferably, within described second year, fine recessed channel inside surface is provided with seepage mesh screen, and the surface of seepage mesh screen is cellular.
As preferably, described left bearing pin and right bearing pin are equipped with a circle arc groove, and chevron projection upper surface is provided with pin-and-hole, inserts pin in pin-and-hole, inserts arc groove fix left bearing pin and right bearing pin by pin.
Works seepage of paddling of the present utility model is without thermal source fiber orientation orientation system, four the monitoring fiber units comprising level and vertical direction are monitored, a seepage flow measuring optical fiber, two demarcation optical fiber are had in each monitoring fiber unit, surrounding circulating type arranges the seepage flow situation can monitored to greatest extent from different directions, largely avoid the seepage flow test leakage situation on some direction, the accurate locating and orienting multidirectional for works seepage multidimensional of paddling is significant; And only needing to arrange separately certain region to seepage monitoring, the monitoring fiber unit of its four-way can be laid separately.
In the utility model, optical fiber information collection apparatus is the common device such as light power meter, OTDR optical time domain reflectometer, PPP-BOTDA pre-pumping Brillouin optical time domain analysis instrument.
Beneficial effect: works seepage of paddling of the present utility model is without thermal source fiber orientation orientation system, monitoring fiber unit is without the need to monitoring its heating by peripheral hardware thermal source, the cylindrical retaining wall of the seepage monitoring fiber unit seriation of research and development, transport in its design significant increase split up and down Practical Project and the ability of laying, the four-way structural design of seepage monitoring device achieves comprehensive seepage monitoring, 360 ° are freely rotated design and can be arranged in any position to be measured without dead angle, the part that effectively compensate in traditional monitoring technology and existing distributed optical fiber sensing technology is not enough, have without the need to heating, distributed, polytropism, the features such as synchronism, at reduction monitoring cost, promote the aspect such as monitoring accuracy and practical application and there is outstanding advantage.
Accompanying drawing explanation
Fig. 1 is structural drawing of the present utility model;
Fig. 2 is seepage monitoring structure drawing of device of the present utility model;
Fig. 3 is monitoring of leakage fiber unit structural drawing in Fig. 1;
Fig. 4 is cylindrical dado structure figure;
Fig. 5 is Fig. 1 section of beam figure above the average;
Fig. 6 is Fig. 1 middle and lower level section of beam figure;
Fig. 7 is free turntable planimetric map in Fig. 1;
Fig. 8 is detail structure chart in Fig. 7;
Fig. 9 is seepage mesh screen detail structure chart in Fig. 1.
Wherein: the left chimb of 100-is outer; The left chimb middle level of 101-; The left chimb internal layer of 102-; The right chimb of 103-is outer; The right chimb middle level of 104-; The right chimb internal layer of 105-; 106-adiabatic insulation; 107-hard sheath; 108-demarcates optical fiber; The upper concave edge middle level of 109-; The upper concave edge of 110-is outer; The upper concave edge internal layer of 111-; Concave edge middle level under 112-; Concave edge internal layer under 113-; Under 114-, concave edge is outer; The upper dialysis rod of 115-; Dialysis rod under 116-; 117-hard steel ring; 118-seepage flow measuring optical fiber; 200-uploads fine button; The left round change of 201-; The right round change of 202-; 203-cylindrical retaining wall; 204-concave-convex type carries fine chamber; 205-downloads fine button; 301-first supporting framework post; Thread end is rotated under 302-; 303-rotates thread end; 304-second supporting framework post; Turntable screw channel at the bottom of 400-; 401-leads to end vertical beam; Circular turntable at the bottom of 402-; The upper circular turntable of 403-; 404-turntable circular groove; The upper turntable screw channel of 405-; Cross break beam under 500-; Connecting shaft ball under 501-; 502-arc lower connects handle; 503-downloads fine arc end; 504-second year fine recessed channel; 505-uploads fine arc end; The upper arc of 506-connects handle; The upper connecting shaft ball of 507-; The upper cross break beam of 508-; 509-chevron end carriage; 510-conical bore; 511-chevron projection; 600-carries on a left side fine end; 601-is left connects handle; 602-is left connects ball; 603-carries on the right side fine end; 604-is right connects handle; 605-is right connects ball; The left truss beam of 606-; The left bearing pin of 607-; The right truss beam of 608-; The right bearing pin of 609-; 610-carries fine sheath; 611-first year fine recessed channel; The upper horizontal gird of 612-; 613-upper end slot; 614-crossbeam draw-in groove; Horizontal gird under 615-; End slot under 616-; 617-crossbeam tongue; 618-seepage mesh screen.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figures 1 to 9, one of the present utility model paddles works seepage without thermal source fiber orientation orientation system, comprise the seepage monitoring device that several are connected by runing rest, the second seepage monitoring unit of the first symmetrical seepage monitoring unit and symmetrical distribution before and after described seepage monitoring device comprises.
First seepage monitoring unit comprises first year fine recessed channel 611 of stationary monitoring fiber unit, be provided with outside first year fine recessed channel 611 and carry fine sheath 610, first year fine recessed channel 611 two ends is respectively equipped with the left fibre end 600 that carries and carries fibre end 603 with right, the left fibre end 600 that carries is connected with the left ball 602 that connects by the left handle 601 that connects, the right fibre end 603 that carries is connected with the right ball 605 that connects by the right handle 604 that connects, left even ball 602 and the right ball 605 that connects are hinged on overarm brace two ends, and overarm brace to the left and right both sides is extended with left bearing pin 607 and right bearing pin 609.
Second seepage monitoring unit comprises second year fine recessed channel 504 of stationary monitoring fiber unit, the two ends of second year fine recessed channel 504 are respectively equipped with uploads fine arc end 505 and downloads fine arc end 503, upload fine arc end 505 to connect handle 506 by upper arc and be connected with upper connecting shaft ball 507, download fine arc end 503 to connect handle 502 by arc lower and be connected with lower connecting shaft ball 501, chevron end carriage 509 two ends are extended with cross break beam 508 and lower cross break beam 500, upper connecting shaft ball 507 and lower connecting shaft ball 501 are hinged on cross break beam 508 and lower cross break beam 500, chevron end carriage 509 is extended with chevron projection 511, the conical bore 510 coordinated with left bearing pin 607 and right bearing pin 609 is provided with in chevron projection 511.
Runing rest comprises the first supporting framework post 301 and the second supporting framework post 304, described first supporting framework post 301 one end is connected with overarm brace, the other end is connected with end circular turntable 402, end circular turntable 402 is provided with circular turntable 403, second supporting framework post 304 one end is connected with the overarm brace of another seepage monitoring device, the other end is inserted in circular turntable 403, end circular turntable 402 and upper circular turntable 403 center are provided with vertical beam of the logical end 401, first supporting framework post 301 and the second supporting framework post 304 can rotate around vertical beam of the logical end 401 respectively, vertical beam 401 upper and lower side of the logical end is provided with turntable circular groove 404 for being closed by vertical beam of the logical end 401.
In the utility model, the lower horizontal gird 615 that described overarm brace comprises horizontal gird 612 and is connected with upper horizontal gird 612, the two ends of upper horizontal gird 612 and lower horizontal gird 615 extend left truss beam 606 and right truss beam 608 respectively, the left truss beam 606 of upper horizontal gird 612 and lower horizontal gird 615 and right truss beam 608 respectively with left connect ball 602 and right connect ball 605 hinged, the middle part of upper horizontal gird 612 and lower horizontal gird 615 is respectively equipped with upper end slot 613 and lower end slot 616, upper end slot 613 is connected with the first supporting framework post 301, lower end slot 616 is connected with the first supporting framework post 301 of another runing rest.
In the utility model, described upper horizontal gird 612 is provided with T-shaped shape crossbeam draw-in groove 614, and lower horizontal gird 615 is provided with the crossbeam boss moved along T-shaped shape crossbeam draw-in groove 614.
In the utility model, described monitoring fiber unit comprises a seepage flow measuring optical fiber 118 and two demarcation optical fiber 108, demarcate the both sides that optical fiber 108 is positioned at seepage flow measuring optical fiber 118 for two, seepage flow measuring optical fiber 118 and two demarcation optical fiber 108 are fixed by filling filling material in groove, seepage flow measuring optical fiber 118 overcoat has hard steel ring 117, demarcate outer the overlapping successively from inside to outside of optical fiber 108 and have adiabatic insulation 106 and hard sheath 107, the upper concave edge internal layer 111 connected successively is provided with outside seepage flow measuring optical fiber 118, left chimb internal layer 102, lower concave edge internal layer 113 and right chimb internal layer 105, upper concave edge internal layer 111 is outer is provided with concave edge middle level 109 and upper concave edge skin 110 successively, left chimb internal layer 102 is outer is provided with left chimb middle level 101 and left chimb skin 100 successively, lower concave edge internal layer 113 is outer is provided with lower concave edge middle level 112 and lower concave edge skin 114 successively, right chimb internal layer 105 is outer is provided with right chimb middle level 104 and right chimb skin 103 successively.The lowermost end of concave structure collects the possible seepage flow water body in neighboring area by as easy as rolling off a log, be exaggerated the action effect of little seepage flow, support the use with the dialysis rod of lowermost end, substantially increase the identification capability to faint seepage or initial stage seepage, this arc section structure will farthest expand the residence time of the flow domain seepage flow water body in seepage flow measuring optical fiber 118 and contact area, and the location for seepage flow position, district to be measured has higher accuracy guarantee effect; In addition; upper concave edge skin 110 has antiseepage, antiseptic property; and devise the upper concave edge middle level similar with its cross sectional shape 109 and upper concave edge internal layer 111 immediately; three layers of concavity project organization improve intensity and the toughness of this seepage monitoring special optical cable, can play protection inner structure and the effect such as to increase the service life.Wherein hard sheath 107 is in the outside of adiabatic insulation 106, contact with demarcation optical fiber 108 inside adiabatic insulation 106, when seepage flow water body is applied to region to be measured, under the effect of adiabatic insulation 106, demarcate light be in the state contacted without any heat with the external world, it will as reference demarcation optical fiber, another demarcation optical fiber 108 of symmetrical layout can carry out secondary correction to the result with reference to demarcation optical fiber, and it will farthest guarantee the objective and accurate property of normative reference.Left chimb outer 100 and right chimb outer 103 contrary chime outer with concave edge, the design of this contrary correspondence considerably increases the sectional area of seepage flow special optical cable, improve contact more closely knit between monitoring device with structure to be measured and be connected, enhance the concertedness of monitoring device and structure to be measured, and be arranged to each three-decker around, one of effect is to increase the compartment thickness demarcating optical fiber 108 place, and the strength of materials and toughness constantly increase from inside to outside, not only increase its inner flexible transition with demarcating optical fiber 108 to be connected, also add the effect of the outside larger seepage water pressure of opposing, left chimb outer 100 and right chimb skin 103 have corrosion resistance, improve the ability of itself and the long-term co-existence of seepage flow water body, under the complex environment of corrosive ion that may adulterate, its seepage monitoring has better effect.
In the utility model, described seepage flow measuring optical fiber 118 both sides are connected with upper dialysis rod 115 and lower dialysis rod 116 respectively, upper dialysis rod 115 contacts with extraneous seepage current through hard steel ring 117, upper concave edge internal layer 111, upper concave edge middle level 109 and upper concave edge outer 110 successively, and lower dialysis rod 116 contacts with extraneous seepage current through hard steel ring 117, lower concave edge internal layer 113, lower concave edge middle level 112 and lower concave edge outer 114 successively.
In the utility model, outside described monitoring fiber unit, cylindrical retaining wall 203 is installed, described cylindrical retaining wall 203 comprises upper left cylindrical retaining wall, lower-left cylindrical retaining wall, upper right cylindrical retaining wall and bottom right cylindrical retaining wall, upper left cylindrical retaining wall, lower-left cylindrical retaining wall, upper right cylindrical retaining wall and bottom right cylindrical retaining wall define concave-convex type and carry fine chamber 204, monitoring fiber unit is positioned at concave-convex type and carries fine chamber 204, by uploading the locking of fine button 200 between upper left cylindrical retaining wall and upper right cylindrical retaining wall, lower-left cylindrical retaining wall and bottom right cylindrical retaining wall are by downloading the locking of fine button 205, upper left cylindrical retaining wall and lower-left cylindrical retaining wall rotate around left round change 201 respectively, upper right cylindrical retaining wall and bottom right cylindrical retaining wall rotate around right round change 202 respectively.Valley portion in the monitoring fiber unit of concave-convex design is carried out secondary supplement by the near round cross-section of cylindrical retaining wall 203, to inner seepage flow special optical cable will be arranged in form the structure of an outer cross section approximate circle shape, compensate for the possible drawback of production that its unique texture brings, transport and existence in laying; Cylindrical retaining wall 203 can be opened around left round change 201 and right round change 202, the concave-convex type of cylindrical retaining wall 203 inside carries fine chamber 204 and seepage flow special optical cable of the present utility model critically can be embedded into concave-convex type and carry in fine chamber 204, the fine button 200 of uploading of cylindrical retaining wall 203 top and bottom finely detain 205 by cylindrical retaining wall 203 firm closure with downloading, and prevents cylindrical retaining wall 203 from loosening or the interference of extraneous other factors such as artificially; And cylindrical retaining wall 203 and concave-convex type carry between fine chamber 204 is cavity design, for space has been reserved in possible use operation.
In the utility model, first supporting framework post 301 is connected with the lower end slot 616 of the upper end slot 613 in upper horizontal gird 612 or lower horizontal gird 615, first supporting framework post 301 other end is connected with end circular turntable 402, after lower rotation thread end 302 is connected with end turntable screw channel 400, the seepage monitoring device of its one end can carry out freely rotating without dead angle with 360 ° of other end seepage monitoring device no conflict round vertical beam of the logical end 401, one end of upper rotation thread end 303 is connected with the second supporting framework post 304 of its respective side, the other end of upper rotation thread end 303 is connected with upper turntable screw channel 405, it can be driven the seepage monitoring device be connected by respective side link thread end to do noiseless 360 ° around vertical beam of the logical end 401 at opposite side and freely rotate, upper circular turntable 403 is arranged with end circular turntable about 402 changing of the relative positions can realize the non-interfering running of near device, can carry out arbitrarily angled and gradient layout to difference region to be measured, upper circular turntable 403 is firmly fixed on vertical beam 401 place, the logical end with end circular turntable 402 by the arrangement of upper and lower turntable circular groove 404.
In the utility model, within described second year, fine recessed channel 504 inside surface is provided with seepage mesh screen 618, and the surface of seepage mesh screen 618 is cellular.
In the utility model, described left bearing pin 607 and right bearing pin 609 are equipped with a circle arc groove, and chevron projection 511 upper surface is provided with pin-and-hole, inserts pin in pin-and-hole, inserts arc groove fix left bearing pin 607 and right bearing pin 609 by pin.
The monitoring method of works seepage of paddling without thermal source fiber orientation orientation system, comprises the following steps:
The first step, layout based on seepage flow region to be measured needs, determine the number of seepage monitoring device, 6 seepage monitoring devices are tentatively drafted based on this seepage flow region to be measured, prepare general single mode bare fibre 72, based on the essential structure of seepage flow measuring optical fiber unit, be equipped with the monitoring fiber unit being made into 24 measured lengths;
Second step, around left round change 201 and right round change 202 by upper left cylindrical retaining wall, lower-left cylindrical retaining wall, upper right cylindrical retaining wall and bottom right cylindrical retaining wall are opened, monitoring fiber unit being arranged to concave-convex type carries in fine chamber 204, then the left round change 201 of turn and right round change 202 are by upper left cylindrical retaining wall, lower-left cylindrical retaining wall, upper right cylindrical retaining wall and bottom right cylindrical retaining wall close up, utilize the upper left cylindrical retaining wall uploaded fine button 200 and distributed at two ends with download fine button 205, lower-left cylindrical retaining wall, upper right cylindrical retaining wall and bottom right cylindrical retaining wall fasten, after monitoring fiber unit is wound on optical cable roller, 24 monitoring fiber units are transported to seepage flow position to be monitored,
3rd step, crossbeam draw-in groove 614 in adjustment on horizontal gird 612, by the crossbeam tongue 617 in lower horizontal gird 615 along crossbeam draw-in groove 614 linear slide, be arranged in parallel together with finally upper horizontal gird 612 being spun on lower horizontal gird 615, after turn left side left bearing pin 607 symmetrical up and down, left bearing pin 607 is inserted in the conical bore in left side chevron projection 511607, then pin is inserted in pin-and-hole and fix left bearing pin, be tightened in the conical bore 510 in left side chevron projection 511, same method, turn the right bearing pin 609 symmetrical up and down on right side, be inserted in the conical bore in right side chevron projection 511, then pin is inserted in pin-and-hole and fix in right bearing pin 609,
4th step, after treating that monitoring fiber unit is transported to region to be measured, outward winding and upload fine button 200 and download fine button 205, open upper left cylindrical retaining wall, lower-left cylindrical retaining wall, upper right cylindrical retaining wall and bottom right cylindrical retaining wall and monitoring fiber unit is carried taking-up fine chamber 204 from concave-convex type, the monitoring fiber unit of certain length being placed into the symmetrical inwall in two ends is provided with in second year fine recessed channel 504 of seepage mesh screen 618, the monitoring fiber unit of another section of measured length is placed into inwall and is provided with in first year fine recessed channel 611 of 618 of seepage mesh screen; Connect handle 502 by the lower connecting shaft ball 501 in left side and upper connecting shaft ball 507 by being configured with arc lower, downloading fine arc end 503 and upper arc connects handle 506, uploads the two ends that second year fine recessed channel 504 of fine arc end 505 is articulated with chevron end carriage 509, same step, is connected handle 502 by the lower connecting shaft ball 501 on right side and upper connecting shaft ball 507 by being configured with arc lower, downloading fine arc end 503 and upper arc connects handle 506, uploads the two ends that second year fine recessed channel 504 of fine arc end 505 is articulated with chevron end carriage 509;
5th step, ball 602 and right even ball 605 is connected by the left of upper end, by be connected with left carry fine end 600, left connect handle 601 and rightly carry fine end 603, the right first year fine recessed channel 611 connecting handle 604 is hinged in left truss beam 606 and right truss beam 608, equally, ball 602 and right even ball 605 is connected by the left of lower end, by be connected with left carry fine end 600, left connect handle 601 and rightly carry fine end 603, the right first year fine recessed channel 611 connecting handle 604 is hinged in left truss beam 606 and right truss beam 608, arrive this, the seepage monitoring Plant arrangement at top terminates;
6th step, first supporting framework post 301 one end is inserted in the upper end slot 613 in upper horizontal gird 612, the other end of the first supporting framework post 301 is arranged in end turntable screw channel 400, second supporting framework post 304 one end is screwed in upper turntable screw channel 405, press vertical beam of the logical end 401, and the upper and lower side of turntable circular groove 404 at vertical beam of the logical end 401 is arranged, to close vertical beam of the logical end 401 completely, second supporting framework post 304 other end is connected in the crossbeam draw-in groove 614 in the upper horizontal gird 612 of another seepage monitoring device, around the upper and lower first supporting framework post 301 of vertical beam 401 turn of the logical end and the second supporting framework post 304 to adjust its arrangement form, thus treat that geodesic structure is effectively identical with seepage flow region to be measured, by the lower horizontal gird 615 between two seepage monitoring devices according to above-mentioned same step, by another runing rest, different seepage monitoring devices is connected in series, turning to of adjustment supporting framework post 301, and then complete the seepage monitoring Plant arrangement of end, demarcation optical fiber in all seepage monitoring devices is connected with information collection apparatus with seepage flow measuring optical fiber,
7th step, according to above-mentioned same method, will 6 seepage monitoring devices at diverse location place be in, be connected successively by 5 runing rests, use DVP-730H model optical fiber splicer that the optical fiber in each seepage monitoring device is carried out welding, rear plastic outer sleeve is protected;
8th step, open optical fiber information collection apparatus, first the information of demarcating optical fiber 108 is collected, optical fiber demodulating apparatus demodulation is used respectively to demarcate optical fiber Temperature numerical, this time inscribe the Temperature numerical of each demarcation optical fiber see table 1, remove and larger optical fiber Tl5, Tl6, Tr7, the Tr8 of average difference, retain several Th1, Th2, Tb3, Tb4 that its temperature variation is less, using the optical fiber after mutual correction process as final demarcation optical fiber numerical value, its value is 10.59 DEG C;
The Temperature numerical table of optical fiber respectively demarcated by table 1
9th step, until wandering water body through this region, treat that the heat of seepage flow water body is delivered to seepage flow measuring optical fiber 118 place by dialysis rod 115 and lower dialysis rod 116, record its real-time situation of change, use the monitoring fiber unit on optical fiber demodulates information instrument demodulation different directions, draw the numerical value of the seepage flow measuring optical fiber 118 on this moment different directions between the 4th seepage monitoring device and the 5th seepage monitoring device, specifically in table 2.
Table 2 seepage flow measuring optical fiber demodulating information value
This time inscribe, in distance range between the 4th seepage monitoring device and the 5th seepage monitoring device, specifically see table 2, last arranges to demarcate with the 8th step the result that optical fiber compares, within the scope of this moment, monitoring distance, there is the situation that numerical value is obviously bigger than normal in left end second permeable unit seepage flow measuring optical fiber, leakage problems may be there is, and leak location occurs in left direction; Further, draw the seepage flow measuring optical fiber solution temperature regulating in each moment in this monitoring distance scope and the absolute value curve demarcating optical fiber temperature gap, thus a nearly step observes whole changing course, if whole changing course curve is very steady and basic about null value, then judge ne-leakage situation, if the fluctuation of changing course curve is comparatively large, show that this place exists seepage, and seepage constantly changes, and needs to arouse attention; By monitoring the leakage scenarios of not homonymy, judge the seepage from different directions, based on the changing course curve of this monitoring analysis, draw from the leakage scenarios of left end comparatively serious, need follow-up reinforcement to monitor, by monitoring the time-history curves change of the seepage flow measuring optical fiber between different seepage monitoring device in scope, analyze the leakage scenarios at diverse location place, by analyzing, find that other positions and direction place changing course curve are substantially near zero, can conclude do not have leakage scenarios substantially; Finally, realize works of paddling region to be measured leakage orienting and directional monitoring.
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 (8)

1. a works seepage of paddling is without thermal source fiber orientation orientation system, it is characterized in that: comprise the seepage monitoring device that several are connected by runing rest, the second seepage monitoring unit of the first symmetrical seepage monitoring unit and symmetrical distribution before and after described seepage monitoring device comprises;
Described first seepage monitoring unit comprises first year fine recessed channel of stationary monitoring fiber unit, be provided with outside first year fine recessed channel and carry fine sheath, first year fine recessed channel two ends is respectively equipped with the left fibre end that carries and carries fibre end with right, the left fibre end that carries is connected with Zuo Lianqiu by the left handle that connects, the right fibre end that carries is connected with the right ball that connects by the right handle that connects, Zuo Lianqiu and the ball-joint of right company are at overarm brace two ends, and overarm brace to the left and right both sides is extended with left bearing pin and right bearing pin, and monitoring fiber unit is connected with information collection apparatus;
Described second seepage monitoring unit comprises second year fine recessed channel of stationary monitoring fiber unit, the two ends of second year fine recessed channel are respectively equipped with uploads fine arc end and downloads fine arc end, upload fine arc end to connect handle by upper arc and be connected with upper connecting shaft ball, download fine arc end to connect handle by arc lower and be connected with lower connecting shaft ball, upper connecting shaft ball and lower connecting shaft ball-joint are at the two ends of chevron end carriage, chevron end carriage is extended with chevron projection, in chevron projection, is provided with the conical bore coordinated with left bearing pin and right bearing pin;
Described runing rest comprises the first supporting framework post and the second supporting framework post, described first supporting framework post one end is connected with overarm brace, the other end is connected with end circular turntable, end circular turntable is provided with circular turntable, second supporting framework post one end is connected with the overarm brace of another seepage monitoring device, the other end is inserted in circular turntable, end circular turntable and upper circular turntable center are provided with vertical beam of the logical end, first supporting framework post and the second supporting framework post can rotate around vertical beam of the logical end respectively, and vertical beam upper and lower side of the logical end is provided with turntable circular groove for being closed by vertical beam of the logical end.
2. works seepage of paddling according to claim 1 is without thermal source fiber orientation orientation system, it is characterized in that: the lower horizontal gird that described overarm brace comprises horizontal gird and is connected with upper horizontal gird, the two ends of upper horizontal gird and lower horizontal gird extend left truss beam and right truss beam respectively, the left truss beam of upper horizontal gird and lower horizontal gird and right truss beam respectively with Zuo Lianqiu and right connect ball-joint, the middle part of upper horizontal gird and lower horizontal gird is respectively equipped with upper end slot and lower end slot, upper end slot is connected with the first supporting framework post, lower end slot is connected with the first supporting framework post of another runing rest.
3. works seepage of paddling according to claim 2 is without thermal source fiber orientation orientation system, it is characterized in that: described upper horizontal gird is provided with T-shaped shape crossbeam draw-in groove, and lower horizontal gird is provided with the crossbeam boss moved along T-shaped shape crossbeam draw-in groove.
4. works seepage of paddling according to claim 1 is without thermal source fiber orientation orientation system, it is characterized in that: described monitoring fiber unit comprises a seepage flow measuring optical fiber and two demarcation optical fiber, demarcate the both sides that optical fiber is positioned at seepage flow measuring optical fiber for two, seepage flow measuring optical fiber overcoat has hard steel ring, demarcation optical fiber overlaps from inside to outside successively adiabatic insulation and hard sheath, the upper concave edge internal layer connected successively is provided with outside seepage flow measuring optical fiber, left chimb internal layer, lower concave edge internal layer and right chimb internal layer, upper concave edge internal layer is provided with concave edge middle level outward successively and upper concave edge is outer, left chimb internal layer is provided with left chimb middle level outward successively and left chimb is outer, lower concave edge internal layer is provided with lower concave edge middle level outward successively and lower concave edge is outer, right chimb internal layer is provided with right chimb middle level outward successively and right chimb is outer.
5. works seepage of paddling according to claim 4 is without thermal source fiber orientation orientation system, it is characterized in that: described seepage flow measuring optical fiber both sides are connected with upper dialysis rod and lower dialysis rod respectively, upper dialysis rod contacts with extraneous seepage current through hard steel ring, upper concave edge internal layer, upper concave edge middle level and upper concave edge skin successively, and lower dialysis rod contacts with extraneous seepage current through hard steel ring, lower concave edge internal layer, lower concave edge middle level and lower concave edge skin successively.
6. works seepage of paddling according to claim 5 is without thermal source fiber orientation orientation system, it is characterized in that: outside described monitoring fiber unit, cylindrical retaining wall is installed, described cylindrical retaining wall comprises upper left cylindrical retaining wall, lower-left cylindrical retaining wall, upper right cylindrical retaining wall and bottom right cylindrical retaining wall, upper left cylindrical retaining wall, lower-left cylindrical retaining wall, upper right cylindrical retaining wall and bottom right cylindrical retaining wall define concave-convex type and carry fine chamber, monitoring fiber unit is positioned at concave-convex type and carries fine chamber, tight by uploading fine padlock between upper left cylindrical retaining wall and upper right cylindrical retaining wall, it is tight that lower-left cylindrical retaining wall and bottom right cylindrical retaining wall pass through to download fine padlock, upper left cylindrical retaining wall and lower-left cylindrical retaining wall rotate around left round change respectively, upper right cylindrical retaining wall and bottom right cylindrical retaining wall rotate around right round change respectively.
7. works seepage of paddling according to claim 1 is without thermal source fiber orientation orientation system, it is characterized in that: within described second year, fine recessed channel inside surface is provided with seepage mesh screen, and the surface of seepage mesh screen is cellular.
8. works seepage of paddling according to claim 1 is without thermal source fiber orientation orientation system, it is characterized in that: described left bearing pin and right bearing pin are equipped with a circle arc groove, chevron projection upper surface is provided with pin-and-hole, insert pin in pin-and-hole, insert arc groove by pin and fix left bearing pin and right bearing pin.
CN201420852596.3U 2014-12-29 2014-12-29 Works seepage of paddling is without thermal source fiber orientation orientation system Active CN204287517U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104570148A (en) * 2014-12-29 2015-04-29 河海大学 Leakage non-heat-source optical fiber positioning and orientating system and monitoring method
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

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104570148A (en) * 2014-12-29 2015-04-29 河海大学 Leakage non-heat-source optical fiber positioning and orientating system and monitoring method
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

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