CN208533464U - An underwater geomembrane monitoring system using a fan-shaped monitoring disc - Google Patents

Abstract

The utility model discloses an underwater geomembrane monitoring system adopting a fan-shaped monitoring disk. At least three rows of monitoring nodes are arranged in the water area at the bottom of a reservoir or a canal, and a stress-strain detection device of the first monitoring node in an odd-numbered row is arranged. It includes a fan-shaped monitoring disk, and a hub is arranged in the fan-shaped monitoring disk at the position on the side opposite to the side of the arc. There are three bolt holes on the edge of the table on one side of the line edge, one end of the three connecting pieces is respectively fastened on the hub by bolts and the three bolt holes, and the other ends of the three connecting pieces are respectively connected with A stress-strain sensor, the signal lines of the stress-strain sensor are electrically connected to the control bus in the row respectively through the wiring plug. In the technical scheme of the utility model, in the prevention and control of the leakage of the dam, the monitoring node adopts a modular standard structure, which is convenient for construction and is beneficial to realize the monitoring of the damage of the underwater geomembrane.

Description

A kind of underwater geotechnological film monitoring system using fan-shaped monitor disk

Technical field

The utility model relates to a kind of underwater geotechnological film monitoring systems using fan-shaped monitor disk.

Background technique

Geomembrane is born hydraulic pressure and is adapted to dam body as a kind of with high molecular polymer, biggish tensile strength and elongation percentage Deformation, because its impermeability is widely used in hydraulic engineering, to separate the leakage passage of water flow.China uses geomembrane early stage Vertical plastic spreading seepage control project in bottom storehouse or canal bottom, in recent years in hydraulic engineerings such as Wall in Plain Reservoir using wide；In Plain water It is a kind of effective technology using geomembrane anti-seepage in the engineerings such as library, rock, rivers and canals, cofferdam.

Under normal conditions, if laying multiple monitoring nodes under geomembrane to obtain the status data of bottom storehouse or canal bottom, It generally requires to be controlled one by one, control system is caused to complicate, according to network structure, then need to carry out using bus structures Data transmission, once some monitoring node damages cisco unity malfunction, then acquiring data just will appear blank, and there are monitoring nodes Isolated island, the monitoring of the integrity to bottom storehouse or canal bottom and geomembrane still cannot be completely secured, according to rope by each prison Surveying node chain to get up to form monitoring node array is a feasible mode, but in monitoring node array, the monitoring of different location Node structure has difference, and some often only needs to be linked with the monitoring node of side with rope, some is then at the edge of array It at the center of array, then needs to be linked with the node of front, rear, left and right, surrounding, therefore, it is necessary to the prisons using various structures Node is surveyed for selecting.

Currently, in urban construction and part hydraulic engineering, ground that is poor for geological conditions, lacking ideal impermeable stratum Area carries out antiseepage using geomembrane becomes preferred option more.The reason is that geomembrane belongs to flexible material, to underwater deformation Adaptability is very strong, and in the case where not piercing through, tearing by external force, aging speed can satisfy the warp of most hydraulic engineerings Ji requirements for life, especially suitable for more earthquake areas and karst area as bottom storehouse anti-seepage scheme.

In practice, the integrality of geomembrane can be in face of tests such as underwater deformations, and underwater deformation is general There are two class situations, one kind is that ground is subside under film, causes geotechnological membrane part hanging, and tension, the shearing strength of membrane body are lower, another Class is that ground protuberance and gas expansion lead to geomembrane local pressure, displacement etc. under film.In short, underwater bottom storehouse geomembrane is once Geological environment, water and soil biology, liner external force and the effects of flatulence under be damaged, " cracking position is difficult to determine " this great lack It falls into and displays immediately.It, can not be pre-buried monitoring instrument since infiltration is passed through after geomembrane and spread in the soil body rapidly A small range determines damage location.The repairing opportunity that this drawback makes membrane body cracking initial stage of short duration loses, and tears geomembrane It is sharply extended with seepage failure, seriously threatens the safety of hydraulic engineering.

In short, geomembrane once generates destruction, library water leakage can be aggravated, cause a large amount of water losses, and influence reservoir Normal operation jeopardizes engineering safety.Therefore, it is necessary to take effective monitoring technology to geomembrane operation.

Utility model content

The technical issues of the utility model is solved is: after the unexpected breakage of geomembrane for playing antiseepage under water, such as What can accomplish the technical issues of finding and be accurately positioned rapidly.

To achieve the above object, the utility model proposes a kind of underwater geotechnological film monitoring system using fan-shaped monitor disk, At least three row monitoring nodes are set in bottom storehouse or canal bottom water domain, constitutes the monitoring node array of odd-numbered line or even number line, is located at Include fan-shaped monitor disk in the ess-strain detection device of the first monitoring node in odd-numbered line, the sector monitor disk and Segment cover is mating, is provided with and turns edge on the outside of two straight flanges of the segment cover, and described turn edge is equipped with mounting hole, in this way may be used With using the mounting hole on turning edge, the one side downward that is connected to by the modes such as sewing or rivet for fan-shaped monitor disk on geomembrane On, the position in the fan-shaped monitor disk with camber line side face side is equipped with line concentration platform, and the line concentration platform is equipped with wiring plug, Bolt hole there are three being set in the mesa edge of the side on the camber line side of fan-shaped monitor disk in line concentration platform, the one of three connection sheets End is fastened on line concentration platform by bolt and three bolt hole cooperations respectively, the respectively connection respectively of the other end of three connection sheets There is stress strain gauge, also is provided with bolt hole in the other end far from the connection sheet of each stress strain gauge, presses One end of rope is crimped on stress strain gauge far from the another of the connection sheet by the cooperation of bolt and bolt hole by plate On end, it is described sector monitor disk side wall be equipped with waterproof plug, the rope by waterproof plug be pierced by fan-shaped monitor disk with it is adjacent Other monitoring nodes in the connection of ess-strain detection device, the signal wire of the stress strain gauge passes through described respectively Wiring plug is electrically connected with the control bus in current row.

A kind of underwater geomembrane monitoring method, the steps included are as follows:

At least three row monitoring nodes are arranged in step 1 in bottom storehouse or canal bottom water domain, constitute the prison of odd-numbered line or even number line Survey node array, wherein each monitoring node of the even number line is separately positioned on each adjacent two of the odd-numbered line Include the ess-strain monitoring device being equipped in each monitoring node between monitoring node pitch area, is located at odd-numbered line In the first monitoring node ess-strain detection device in include fan-shaped monitor disk, in the monitoring node in each row Ess-strain monitoring device between be connected with rope, between the ess-strain monitoring device in the adjacent monitoring node of adjacent rows Triangular mesh is connected and composed by rope, wherein the ess-strain in the first monitoring node in adjacent odd row monitors dress Also rope is connected between setting, also by rope between the ess-strain monitoring device in the monitoring node of end in adjacent odd row It is attached；

Step 2 keeps being tensioned between each rope in monitoring node array and answer what each monitoring node was equipped with Stress-strain detection device is fixedly mounted in geomembrane one side directed downwardly, by geomembrane together with the monitoring node in one side downward Ess-strain detection device is laid together on underwater bottom storehouse or canal bottom surface, and the stress in monitoring node in each row is answered Become monitoring device connect with the control bus of current row, the control bus of each row is electric with the control cabinet that is arranged on embankment Connection；

Step 3, when deformation occurs for any one place's geomembrane, in the monitoring node of the corresponding position of geotechnological back of the membrane Ess-strain monitoring device experience stress first and issue data-signal, meanwhile, with the ess-strain monitoring device The rope being connected is involved, make the ess-strain monitoring device in the monitoring node of periphery also experience geomembrane deformation and Data-signal is issued, each data-signal can be all transmitted in control cabinet by respective control bus of the row, be controlled Each data-signal is uploaded to cloud server by the controller in case, and the internal processes of the central server of control centre are to hair Out signal carry out time-sequencing and by the bottom threshold of peak stress suffered by signal and geomembrane compared with, give up less than under threshold value The peak stress signal of limit, record are greater than the peak stress signal of bottom threshold, and bottom threshold is set as 80~140N/125px, Middle N unit is newton, and PX is pixel；

Using signal peak it is maximum or at first issue the ess-strain monitoring device of signal where monitoring node coordinate as The position coordinates of geomembrane deformation or damage location；The technical staff for learning the coordinate signal is to corresponding monitoring node and its week It encloses region to be checked, can be obtained accurately geomembrane deformation or damage location relatively, provide skill for further emergency processing Art is supported.

System used by underwater geomembrane monitoring method, including at least three rows are arranged in the waters in bottom storehouse or canal bottom Monitoring node constitutes the monitoring node array of odd-numbered line or even number line, wherein each monitoring node of the even number line is set respectively It sets between each two adjacent monitoring node pitch areas of the odd-numbered line, includes being equipped in each monitoring node Ess-strain monitoring device, be connected with rope, phase between the ess-strain monitoring device in the monitoring node in each row Triangular mesh is connected and composed by rope between ess-strain monitoring device in the adjacent monitoring node of adjacent rows, wherein phase Also rope, the end in adjacent odd row are connected between the ess-strain monitoring device in first monitoring node in adjacent odd-numbered line It is attached between ess-strain monitoring device in monitoring node also by rope；Include in the ess-strain monitoring device Stress strain gauge；

It keeps being tensioned between each rope in monitoring node array and monitoring node is fixedly mounted on geomembrane downward One side on, geomembrane is laid in underwater bottom storehouse or canal bottom surface together with the monitoring node in one side downward, each The ess-strain monitoring device of monitoring node in row is connect with the control bus of current row, and the control bus of each row is equal It is electrically connected with the control cabinet being arranged on embankment；The control cabinet and cloud server communicate, and the cloud server passes through gateway Communicated with the central server of control centre, the cloud server also with communication of mobile terminal.

Include the controller being equipped in the control cabinet, further includes wireless transmitter module connected to the controller, it is wireless to send out Module is penetrated to communicate by wireless router and cloud server.The controller is PLC controller, and the rope is stainless steel wire Rope.

The working principle of the technical program is,

In the concrete application for carrying out Anti-seeping technology to Underwater Engineering using laying geomembrane, exist for the membrane body of geomembrane It is easy to be damaged under the effects of ground variation and external force, will lead to the practical feelings that the accidents such as bottom storehouse or canal bottom leakage occur when serious Condition is taken and installs multiple monitoring nodes in geomembrane one side directed downwardly, and will be connected between adjacent monitoring node by rope Get up to constitute cell network structure, when deformation occurs or even damaged initial stage for underwater force of geomembrane, nearest monitoring node Ess-strain monitoring device generated alarm signal by the traction by way of the corresponding rope of deformation region, while being answered with the stress Become other ropes for being connected of monitoring device also to be involved, make periphery ess-strain monitoring device also can be more or less sense By the deformation signal of geomembrane, each signal is successively uploaded to cloud server by control bus, then through cloud server With the server communication of control centre, the server of control centre passes through internal processes to signal is obtained, according to time order and function, peak Value size is judged, the position coordinates for issuing alarm signal or the biggish monitoring node of peak value at first are primarily determined as geotechnique The coordinate of film damage location, relevant Decision departmental staff check the monitoring node and its peripheral region, can be obtained phase To accurately geomembrane damage position, the time is striven for for processing in time, has met the needs of relevant departments personnel；Here, it sets up Rope monitoring node array mesh and play the role of the work that reinforcing rib is also acted as while stress signal linkage participating in building With, underwater geomembrane tensile capacity can be enhanced, it is covert improve geomembrane and resist external force avoid damaged ability, to realize most Good stress monitoring mode: being exactly the good result for making geomembrane be not affected or less affected by stress forever.Adverse conditions is to work as Deformation occurs or even damaged initial stage by stress for underwater geomembrane, since rope leads to the stress data signal for being possible to obtain Value is smaller, this can be by reducing the mode of monitoring signals bottom threshold, more in the program of control centre's server in later period The problem of benefit causes monitoring sensitivity to reduce because of rope, it is generally the case that the stress tensile strength of geomembrane is >=250N/ 125px takes bottom threshold to be set as 80~140N/125px, artificially reduces threshold value, here the case where not increasing existing equipment Under, improve the sensitivity for receiving stress signal suffered by geomembrane.To ensure that deformation occurs or even damaged by stress to geomembrane Initial stage can timely respond to.

When the somewhere ground under underwater geomembrane swells or has accumulated gases, in heavy hydraulic pressure and the work of other external force Under, geomembrane, which can equally deform, even to be ruptured, and the nearest ess-strain detection device apart from the position experiences deformation letter Number, while the rope being connected with the ess-strain detection device is also involved, and the ess-strain detection device on periphery is made The more or less deformation signal for experiencing geomembrane of meeting, these signals can all pass through respective control bus of the row and control Controller connection in case, controller is uploaded to cloud server, until the server of control centre, the inside of central server Program judged and compared, and is calculated and is reached at first and the maximum geomembrane deformation signal of peak value is as fault point coordinate Value, relevant Decision departmental staff checks the monitoring node and its peripheral region, can be obtained accurately geomembrane relatively Damage location has striven for the time for processing in time, has met the needs of relevant departments personnel.

Relevant Decision personnel can also directly access cloud server by mobile terminal, grasp underwater geomembrane in real time Deformation state information accomplishes to be prejudged in first time, obtains the repairing opportunity of membrane body cracking initial stage preciousness, and making great efforts will Risk is minimized, and prevents the expansion of accident,

The working principle of the utility model is mature, reliable, under the premise of not needing to increase too many investment, realizes to underwater Geomembrane deformation or the positioning of damage location, compare existing scattershot judgment mode, and the technical program sentences breakthrough Positioning set it is more accurate, in the ess-strain detection device of the first and tail monitoring node of even number line including pentagon prison Disk and pentagon lid matched with the pentagon monitor disk are surveyed, meets the acquisition of multi-direction signal, is more advantageous to bottom storehouse or canal The monitoring of bottom hidden leakage defect, and greatly reduce the investment of manpower and material resources, there is biggish economic benefit and application prospect.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that,

Fig. 1 is the flow diagram of a kind of method of underwater geotechnological film monitoring system using fan-shaped monitor disk；

Fig. 2 is the fan-shaped monitor disk structural representation for the first monitoring node being located in odd-numbered line in monitoring node array Figure；

Fig. 3 is the fan-shaped monitor disk schematic side view of Fig. 2；

Fig. 4 Fig. 4 is the rectangular monitoring for being located at first trip or the middle section monitoring node inside not row in monitoring node array Dish structure schematic diagram；

Fig. 5 is the rectangular monitor disk structure schematic side view of Fig. 4；

Fig. 6 is the pentagon monitor disk signal in monitoring node array positioned at the first and tail monitoring node of even number line Figure；

Fig. 7 is the pentagon monitor disk schematic side view of Fig. 6；

Fig. 8 is in addition to not going except first trip and in monitoring node array, and in the line except in first and tail monitoring node Between monitoring node regular hexagon monitor disk schematic diagram；

Fig. 9 is the regular hexagon monitor disk schematic side view of Fig. 8；

Figure 10 is regular hexagon monitor disk schematic side view of the Fig. 8 with earth anchor；

Figure 11 is a kind of schematic diagram of underwater geomembrane monitoring system of stress and strain；

Figure 12 is wiring plug partial enlargement structural representation；

Figure 13 is rope limiting device schematic diagram；

Figure 14 is that the ratchet and rope in Figure 13 cooperate schematic diagram；

Wherein: 1. reservoir bottoms or canal bottom, 2. monitoring nodes, 3. ropes, 4. control buss, 5. wireless routers, 6. clouds Server, 7. mobile terminals, 8. central servers, 9. gateways, 10. control cabinets, 11. geomembranes, 12. fan-shaped monitor disks, 13. turn over Edge, 14. stress strain gauges, 15. waterproof plugs, 16. bolts, 17. pressing plates, 18. connection sheets, 19. line concentration platforms, 20. wiring plugs, 21. segment cover, 22. rectangular monitor disks, 23. square covers, 24. pentagon monitor disks, 25. pentagon lids, 26. signal wires, 27. gas Capsule, 28. convex columns, 29. cross over pipes, 30. upper mounting seats, 31. ratchets, 32. lower mounting seats, 33. radial indentations, 34. bullets, 35. horizontal torsion bar, 36. ratchet main shafts, 37. lower grooves, 38. fovea superior barrels, 39. side wall hollow hole .40. regular hexagon monitor disks, 41. regular hexagon lid, 42. fixed anchors.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.It further illustrates with reference to the accompanying drawing；

This monitoring method and system can be used in reservoir bottom or canal bottom 1, in the canal bottom of bottom storehouse or channel to reservoir In the stress monitoring of the geomembrane 11 of laying, Fig. 1 provides a kind of underwater geomembrane prison using fan-shaped monitor disk into Figure 14 The method of examining system, the steps included are as follows:

Step 1 includes that at least three row monitoring nodes 2 are arranged in bottom storehouse or canal bottom water domain, constitutes odd-numbered line or even number line Monitoring node array, wherein each monitoring node 2 of the even number line is separately positioned on each adjacent of the odd-numbered line Between two 2 pitch areas of monitoring node, includes the ess-strain detection device being equipped in each monitoring node 2, be located at It include fan-shaped monitor disk in the ess-strain detection device of the first monitoring node in odd-numbered line, positioned at the first of even number line With include pentagon monitor disk and matched with the pentagon monitor disk in the ess-strain detection device of tail monitoring node Pentagon lid is connected with rope 3, the phase of adjacent rows between the ess-strain detection device in the monitoring node 2 in each row Triangular mesh is connected and composed by rope 3 between ess-strain detection device in adjacent monitoring node 2, wherein adjacent odd Rope 3 is also connected between the ess-strain detection device in first monitoring node 2 in row, the end monitoring in adjacent odd row It is attached between the ess-strain detection device of node 2 also by rope 3；

Step 2 includes keeping being tensioned and setting on each monitoring node 2 between each rope 3 in monitoring node array Some ess-strain detection devices are fixedly mounted in the one side directed downwardly of geomembrane 11, by geomembrane 11 together with being mounted on towards next The ess-strain detection device of the monitoring node 2 in face is laid in together on reservoir bottom or canal bottom surface, monitoring node 2 in each row Ess-strain detection device connect with the control bus of current row 4, the control bus 4 of each row with reservoir bottom or canal The control cabinet 10 being arranged on bottom is electrically connected；

Step 3 includes, when deformation occurs for any one place's geomembrane 11, the prison positioned at the corresponding position at 11 back side of geomembrane The ess-strain detection device surveyed in node 2 is issued data-signal by stress, meanwhile, it detects and fills with the ess-strain The rope 3 being connected is set also to be involved, make the ess-strain detection device on periphery can also experience geomembrane 11 deformation and Data-signal is issued, each data-signal can be all transmitted in control cabinet 10 by respective control bus 4 of the row, be controlled Each data-signal is uploaded to cloud server 6, the inside journey of the central server 8 of control centre by the controller in case 10 processed Sequence judged and compared, and issues time-sequencing to data-signal and by the threshold of peak stress suffered by data-signal and geomembrane Value lower limit compares, and gives up the peak stress signal less than bottom threshold, and record is greater than the peak stress signal of bottom threshold, threshold value Lower limit can be set as 80 or 100 or 140N/125px, and N is newton, and PX is the pixel of geomembrane；To issue at first data-signal or The position coordinates of the maximum monitoring node 2 of data-signal peak value primarily determine the position coordinates for 11 deformation of geomembrane or breakage, The technical staff for learning the coordinate signal checks corresponding monitoring node 2 and its peripheral region, can be obtained relatively smart Quasi- 11 deformation of geomembrane or damage location, provides technical support for further emergency processing.

Shown in A in Figure 11, wrapped in the ess-strain detection device of the first monitoring node 2 in odd-numbered line Fan-shaped monitor disk 12 is included, as shown in Fig. 2,3, the sector monitor disk 12 and segment cover 21 are mating, in the segment cover 21 It is provided on the outside of two straight flanges and turns edge 13, described turn edge 13 is equipped with mounting hole, can use the installation to turn edge on 13 in this way Hole, by sewing or riveting etc. in the one side downward that fan-shaped monitor disk 12 is connected on geomembrane 11 by modes, i.e. geomembrane 11 The back side.Line concentration platform 19 is equipped with the position of camber line side face side in the fan-shaped monitor disk 12, on the line concentration platform 19 Equipped with wiring plug 20, set that there are three bolts in the mesa edge of the side on the camber line side of fan-shaped monitor disk 12 in line concentration platform 19 Hole, one end of three connection sheets 18 are fastened on line concentration platform 19 by bolt 16 and three bolt hole cooperations respectively, three companies The other end of contact pin 18 is respectively connected with stress strain gauge 14 respectively, in each stress strain gauge 14 far from described The other end of connection sheet 18 also is provided with bolt hole, and pressing plate 17 is crimped one end of rope 3 with the cooperation of bolt hole by bolt 16 On the other end of the stress strain gauge 14 far from the connection sheet 18, the side wall of the sector monitor disk 12 is equipped with waterproof Plug 15, the rope 3 are pierced by fan-shaped monitor disk 12 by waterproof plug 15 and examine with the ess-strain in other adjacent monitoring nodes 2 Device connection is surveyed, the signal wire 26 of the stress strain gauge 14 is total by the wiring plug 20 and the control in current row respectively Line 4 is electrically connected.

Shown in C in Figure 11, in monitoring node array, as shown in Fig. 6,7, positioned at the first and tail of even number line In the ess-strain detection device of monitoring node include pentagon monitor disk 24 and with the pentagon monitor disk 24 matched five Side shape lid 25, towards the pentagon monitor disk 24, in the horizontal direction, two upper end edges being parallel to each other and lower end edge distinguish position It is each provided in the upper side and lower side of the pentagon lid 25, and on the outside of upper end edge and lower end edge and turns edge 13, turned over described Be equipped with mounting hole along 13, five sides of pentagon monitor disk 24 include the upper straight flange being parallel to each other and lower straight flange, with it is described it is upper, The left straight flange that lower straight flange is respectively perpendicular, right edge include upper section while and when lower section, the one end on the upper section side and the right side of upper straight flange End connection, the one end on the lower section side connect with the right part of lower straight flange, the upper section while and it is respective another when lower section End interconnect and upper section while and connection intersection point when lower section formed outside far from the left straight flange of pentagon monitor disk 24 It is convex, upper section in lower section between exist be greater than zero and be less than 180 degree angle, the middle part in the pentagon monitor disk 24 Equipped with line concentration platform 19, the line concentration platform 19 is equipped with wiring plug 20, at the edge of the upper side and lower side close to the line concentration platform 19 Each setting a pair of bolts hole respectively, two pairs of bolts hole is symmetrical about line concentration platform 19, close to institute in the pentagon monitor disk The edge for stating the right side of line concentration platform is equipped with a bolt hole, supervises to meet the pentagon of first and last a monitoring node of even number line The direction for surveying disk needs, and pentagon monitor disk can be passed through overturning 180 degree use；Wherein, the side on the right side of line concentration platform Upper section described in the radial center face of the bolt hole of edge while and the apex angle that is formed of connection intersection point when lower section and be located at the apex angle On the extended line of angular bisector, and the radial center in a pair of bolts hole that the upside of the line concentration platform 19, lower edge are respectively arranged, It is on the diagonal line of the connection that intersects of two vertical angles where the both ends of the upper and lower straight flange of the pentagon monitor disk 24. The radial center of bolt hole is on the diagonal line intersected so that it is convenient to which the rope being connected on stress strain gauge 14 is not necessarily to Bending can be pierced by along vertex.Be conducive to improve the sensitivity that sensor perceives stress.Pentagon lid is included in level Direction, two upper end edges being parallel to each other and lower end edge are located at the upper side and lower side of the pentagon lid, and upper end edge and It is each provided with and turns edge on the outside of lower end edge, be above equipped with mounting hole in described turn edge.

One end of five connection sheets 18 is fastened on line concentration platform 19 with bolt hole cooperation respectively by bolt 16, five companies Respectively independent connection has stress strain gauge 14 to the other end of contact pin 18 respectively, in the separate of each stress strain gauge 14 The other end of the connection sheet 18 is equipped with fastener hole, and pressing plate 17 is crimped one end of rope with the cooperation of fastener hole by bolt 16 On the other end of the stress strain gauge 14 far from the connection sheet 18, the side wall of the pentagon monitor disk 24 is equipped with anti- Water plug 15, five ropes are pierced by side wall by waterproof plug 15 and connect with other adjacent monitoring nodes, five stress The signal wire 26 of strain transducer 14 is electrically connected by the wiring plug 20 with the control bus 4 in current row respectively.

In addition, shown in B in Figure 11, in monitoring node array, as shown in Fig. 4,5, a left side for the square cover 23, It is provided on the outside of upper and lower two straight flanges between right both sides and turns edge 13, described turn edge 13 is equipped with mounting hole, towards the side Shape monitor disk 22, including about on the symmetrical center axis of symmetry in left and right both sides and close to partially in the rectangular monitor disk 22 The straight flange position of upside is equipped with line concentration platform 19, and the line concentration platform 19 is equipped with wiring plug 20, sets on the line concentration platform 19 Have using the center axis of symmetry on the left and right both sides in the rectangular monitor disk 22 as the two pairs of bolts hole of symmetry axis, two pairs of connections One end of piece 18 is cooperated respectively with the two pairs of bolts hole by bolt 16 and is fastened on line concentration platform 19, two pairs of connection sheets 18 it is another One end difference two pairs of stress strain gauges 14 of respective independent connection, the axial axis of a pair of stress strain gauge 14 therein Line it is conllinear, and upper and lower two straight flanges between the left and right both sides of the rectangular monitor disk 22 are parallel, another pair of The axial axis of stress strain gauge 14 is symmetrical about the center axis of symmetry on the left and right both sides in the rectangular monitor disk 22 In splayed configuration, bolt hole, pressing plate 17 also are provided in the other end far from the connection sheet 18 of each stress strain gauge 14 One end of rope 3 is crimped on stress strain gauge 14 far from the connection sheet 18 by the cooperation of bolt 16 and the bolt hole The other end on, the side wall of the rectangular monitor disk 22 is equipped with waterproof plug 15, and the rope 3 is pierced by rectangular by waterproof plug 15 Monitor disk 22 is connect with the ess-strain detection device of other adjacent monitoring nodes 2, the letter of the stress strain gauge 14 Number line 26 is electrically connected by the wiring plug 20 with the control bus 4 in current row respectively.

In Figure 11, a kind of system of underwater geomembrane monitoring method is illustrated, including the waters in reservoir bottom or canal bottom 1 Middle setting at least three row monitoring nodes 2 constitute the monitoring node array of odd-numbered line or even number line, wherein the even number line it is each A monitoring node 2 is separately positioned between each two adjacent 2 pitch areas of monitoring node of the odd-numbered line, each described It include the ess-strain detection device being equipped in monitoring node 2, the ess-strain in the monitoring node 2 in each row detects dress It is connected with rope 3 between setting, is connected between the ess-strain detection device in the adjacent monitoring node 2 of adjacent rows by rope 3 Constitute triangular mesh, wherein also connect between the ess-strain detection device in first monitoring node 2 in adjacent odd row Rope 3 is attached between the ess-strain detection device of the end monitoring node 2 in adjacent odd row also by rope 3；

It keeps being tensioned between each rope 3 in monitoring node array and monitoring node 2 is fixedly mounted on geomembrane 11 In one side directed downwardly, geomembrane 11 lays 1 table of underwater reservoir bottom or canal bottom together with the monitoring node 2 in one side downward On face, the ess-strain detection device of the monitoring node 2 in each row is connect with the control bus of current row 4, the institute of each row Control bus 4 is stated to be electrically connected with the control cabinet 10 being arranged on reservoir bottom or canal bottom；The control cabinet 10 and cloud server 6 are logical News, the cloud server 6 are communicated with the central server 8 of control centre by gateway 9, the cloud server 6 also with shifting Dynamic terminal 7 communicates.

Include the controller being equipped in the control cabinet 10, further includes wireless transmitter module connected to the controller, wirelessly Transmitting module is communicated by wireless router 5 and cloud server 6.

The controller is PLC controller, and the rope 3 is stainless steel wire rope.

PLC controller is mounted in control cabinet 10, with power supply, start switch, the respective peripherals such as indicator light electric fittings electricity Connection belongs to those skilled in the art's routine techniques, therefore repeats no more.

Finally, shown in D in Figure 11, in monitoring node array, as shown in Fig. 8,9, in addition to not going except first trip and, And in the line except first and tail monitoring node intermediate monitoring node include regular hexagon monitor disk 40 and with positive six side The matched regular hexagon lid 41 of shape monitor disk 40, towards the regular hexagon monitor disk 40, in the horizontal direction, two are parallel to each other Straight flange be located at the upper side and lower side of the regular hexagon lid 41, and be each provided with and turn edge on the outside of two straight flanges 13, mounting hole is equipped on 13 in described turn edge, six apex angles of the regular hexagon monitor disk 40 are three pairs about pair in disk Claim centrosymmetric symmetrical apex angle, line concentration platform 19, the collection are equipped at the symmetrical centre in the regular hexagon monitor disk 40 Line platform 19 is equipped with wiring plug 20, the edge setting six in the upper side and lower side and left and right side close to the line concentration platform 19 A bolt hole, six bolts hole are constituted about symmetrical three pairs of symmetrical centre in disk, and the radial center of each pair of bolt hole is distinguished The diagonal line being located between three pairs of symmetrical apex angles of regular hexagon monitor disk 40 is corresponded in the projection on line concentration platform 19,

One end of six connection sheets 18 is fastened on line concentration platform 19 by bolt 16 and bolt hole cooperation respectively, six companies Respectively independent connection has stress strain gauge 14 to the other end of contact pin 18 respectively, in the separate of each stress strain gauge 14 The other end of the connection sheet 18 is equipped with fastener hole, and pressing plate 17 is crimped one end of rope with the cooperation of fastener hole by bolt 16 On the other end of the stress strain gauge 14 far from the connection sheet 18, the side wall of the regular hexagon monitor disk 40 is equipped with Waterproof plug 15, six ropes are pierced by side wall by waterproof plug 15 and connect with other adjacent monitoring nodes, answer described in six The signal wire 26 of stress-strain sensor 14 is electrically connected by the wiring plug 20 with the control bus 4 in current row respectively.

As shown in Figure 10, regular hexagon monitor disk is also provided with fixed anchor 42, because regular hexagon monitor disk is often The central region of entire geomembrane 11 is set, and compared to the fringe region of geomembrane 11, displacement is small, therefore can use fixation Anchor 42 is opposite to be held in position, and fixed anchor 42 can grip in water-bed mud, keeps each regular hexagon monitor disk relatively fixed in water Bottom is also equivalent to artificially establish multiple origins, and when geomembrane 11 has damaged or deformation, rope is to the stress in node Strain transducer 14 implement power, central server 8 according to transmission come data-signal, directly obtain these fix positive six side The relative coordinate of shape monitor disk origin and as reference point, damaged or deformation position is looked in water-bed region entire compared to traversal, It is equivalent to and water-bed region is broken the whole up into parts, the more rapid breakage or shape for obtaining geomembrane 11 can be run with less program Displacement is set.

In Figure 12, a kind of wiring plug 20 is provided, the wiring plug 20 is separately positioned on fan-shaped monitor disk 12, rectangular monitor disk 22,19 position of line concentration platform in the disk body of pentagon monitor disk 24, regular hexagon monitor disk 40, the wiring plug 20 includes by disk The hollow tube being pierced by vivo and the ring flange connecting with hollow tube exposing disk body one end, are installed more on the hollow inside pipe wall A convex column 28, the convex column 28 are located at hollow tube in the radial direction, and multiple convex columns 28 are along the hollow tube Axial direction arrangement is equipped with dry gas between nozzle position and pipe internal projection column 28 outside disk body if exposing in the hollow tube Capsule 27, by 29 connection of cross over pipe between the air bag 27, signal wire 26 passes through the air bag 27 and the gap of convex column 28 is stretched To outside disk body, by taking rectangular monitor disk 22 as an example, after rectangular monitor disk 22 is installed under water together with geomembrane 11, in water pressure Under effect, the air bag 27 at the nozzle outside disk body is compressed, due to passing through the mutual connection of cross over pipe 29 between air bag 27, After air bag 27 outside nozzle is compressed, the air bag 27 in the hollow tube of wiring plug 20 expands, and is further wrapped in through wiring The border of signal wire 26 that plug 20 passes through, under the encirclement of air bag 27, the convex column that is staggered in 26 approach caliber of signal wire 28 and become more winding complications, in this way, air bag 27 and convex column 28 cooperate the tortuous increased in pipe, on the one hand ensure Monitor disk inner waterproofing sealing effect, on the other hand, since convex column 28 is the soft rubber material of matter, when in rectangular monitor disk 22 Stress strain gauge 14 is by stress, when faint displacement occurs, signal wire 26 can in hollow tube free extension, keep away Exempt from signal wire 26 with the terminals of internal stress strain gauge 14 because stress is excessive and broken, stress can not be transmitted by, which causing, believes Number the case where occur, substantially increase in this way monitor disk work reliability.

Figure 13, in 14, a kind of rope limiting device is provided, is to ensure that rope in monitoring array under stress, has Effect displacement, not because the yoke of attachment deviate, can rope by way of reservoir bottom or canal bottom ground setting rope limit Position device, rope limiting device includes upper mounting seat 30, and the setting of left and right two sides of the upper mounting seat 30 turns edge 13, institute It states and turns edge 13 equipped with mounting hole, be equipped with fovea superior barrel 38 in the bottom surface of the upper mounting seat 30, the fovea superior barrel 38 is logical It crosses and the left and right center axis of symmetry of the parallel upper mounting seat 30, the fovea superior barrel 38 is the groove tube of lower opening, The middle section side of fovea superior barrel 38 is equipped with side wall hollow hole 39, the upper mounting seat 30 and lower mounting seat 32 located directly below It is cooperatively connected, lower groove 37 is equipped with 38 corresponding position of fovea superior barrel in the lower mounting seat 32, in the lower groove 37 39 position of side wall hollow hole of corresponding fovea superior barrel 38 is equipped with ratchet 31, and the ratchet 31 passes through ratchet main shaft 36 and lower mounting seat Bullet 34 immediately below 32 cooperates, tapered bur of the bullet 34 including upper plane and lower part, on the side wall of tapered bur Equipped with spiral lamination, play the role of drill bit in use, it is time saving and energy saving, it is equipped in the radial center position of the upper plane along lower part Tapered bur axial axis direction counterbore, on the tapered bur and close to upper plane two opposing sidewalls on set There are radial indentation 33, connection between the radial indentation 33 and the counterbore, the ratchet main shaft 36 cooperates with the counterbore, institute The middle part for stating the lower end of ratchet main shaft 36 and the horizontal torsion bar 35 of lower section connects, and two ends of the horizontal torsion bar 35 are located at the diameter Into notch 33, in the lower groove 37 and fovea superior barrel 38 for rope being fastened on upper mounting seat 30 and lower mounting seat 32, and will Bullet 34 is implanted into the mud at reservoir bottom or canal bottom, when rope by stress when being subjected to displacement, can touch 31 turns of ratchet Dynamic, ratchet 31 is one-way wheel, can only be rotated in one direction, and under the drive of ratchet 31, ratchet main shaft 36 drives radial indentation Horizontal torsion bar 35 in 33 rotates and by moment loading on bullet 34, and the tapered bur of 34 lower part of bullet is caused to bore in mud, Stress acts on the limited displacement on rope, therefore too big feeding will not occur for tapered bur, the section for only forming rope Lattice array is fitted tightly on reservoir bottom or canal bottom together with the geomembrane 11 laid thereon, and geomembrane 11 itself is avoided to be displaced；I.e. When just having gas below geomembrane 11, in the case where rope and bullet 34 act on, geomembrane 11 still can stick on reservoir bottom or It on canal bottom, is equivalent in the lower section large area that gas is spread out in geomembrane 11, avoids the local bulge of geomembrane 11, also just prolong It is slow or avoid accumulated gases on geomembrane 11 is more lesser, lead to local pressure and damaged, in rope and rope limit Under the action of device, geomembrane 11 has stronger tension effect and more firm " grabbing ground " effect, and water is reduced in terms of two The unexpected breakage of lower geomembrane 11.In addition, torque sensor can also be arranged between ratchet main shaft 36 and lower mounting seat 32, and answer Stress-strain sensor processing it is similar, by the signal wire of torque sensor equally pass through corresponding data/address bus be connected in control cabinet with And signal uploads network and send the supplement become to central server 8 to underwater geomembrane stress monitoring, to set up stress prison Survey new approach.

Here, when rope is pulled by the opposite stress in another direction, the movement of rope opposite direction, the spine of one-way movement Wheel 31 will not participate in movement, to ensure that tapered bur is only got into the cave to the bottom at reservoir bottom or canal bottom, entire rope be avoided to limit Device is screwed out in the mud at reservoir bottom or canal bottom to be come；

The state for not beating strand of rope can be ensured by rope limiting device, while groove structure can also be removed and is attached to Mud or other attachments on rope, so that geomembrane is can satisfy reservoir bottom or canal bottom or part together with rope the water of fluctuating The laying of basic skill or training's condition.Although disk body itself does not have biggish displacement in addition, each rope has had constraint to each disk body, If but rope limiting device is connected to sector disk 12 or rectangular monitor disk 22 or pentagon monitor disk 24 or regular hexagon monitoring The lower section of the disk body of disk 40 simultaneously penetrates in mud, and the limitation to disk body displacement amplitude is realized in the case where not influencing stress monitoring, It is further reduced or avoid disk body in ess-strain to lead the amplitude of dragging to geotechnological membrane body, in this way, whole system will obtain more Reliable operational support.

In the description of this specification, the description of reference term " one embodiment " etc. means to combine the embodiment or example Particular features, structures, materials, or characteristics described are contained at least one embodiment or example of the utility model.At this In specification, schematic expression of the above terms be may not refer to the same embodiment or example.Moreover, description is specific Feature, structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.To the greatest extent The embodiments of the present invention have been shown and described in pipe, it will be understood by those skilled in the art that: do not departing from this A variety of change, modification, replacement and modification, this reality can be carried out to these embodiments in the case where the principle and objective of utility model It is defined by the claims and their equivalents with novel range.

Claims (1)

1. a kind of underwater geotechnological film monitoring system using fan-shaped monitor disk, which is characterized in that set in bottom storehouse or canal bottom water domain At least three row monitoring nodes are set, the monitoring node array of odd-numbered line or even number line, the first prison in odd-numbered line are constituted Surveying in the ess-strain detection device of node includes fan-shaped monitor disk, and the sector monitor disk and segment cover are mating, in the fan It is provided with and turns edge on the outside of two straight flanges of shape lid, described turn edge is equipped with mounting hole, in the fan-shaped monitor disk and camber line The position of side face side is equipped with line concentration platform, and the line concentration platform is equipped with wiring plug, in line concentration platform close to the arc of fan-shaped monitor disk Bolt hole there are three setting in the mesa edge of the side on line side, one end of three connection sheets passes through bolt and three bolts hole respectively Cooperate and be fastened on line concentration platform, the other end of three connection sheets is respectively connected with stress strain gauge respectively, answers each The other end far from the connection sheet of stress-strain sensor also is provided with bolt hole, and pressing plate will by the cooperation of bolt and bolt hole One end of rope is crimped on the other end of the stress strain gauge far from the connection sheet, on the side wall of the sector monitor disk Equipped with waterproof plug, the rope is pierced by the ess-strain in fan-shaped monitor disk and other adjacent monitoring nodes by waterproof plug and examines Device connection is surveyed, the signal wire of the stress strain gauge is electrically connected by the wiring plug with the control bus in current row respectively It connects.