阅读说明：本技术 一种根据应力监测预警结构物破坏的装置 (Device for monitoring and early warning structural object damage according to stress ) 是由 王萍 冯德军 桂福坤 孙孟 于 2019-11-14 设计创作，主要内容包括：本发明公开一种根据应力监测预警结构物破坏的装置,包括移动终端、数据处理器、网衣,网衣顶部连接有顶框架,网衣底部设有底框架,底框架底面与顶框架的外围下边缘连接有缆绳,缆绳由多股编织而成,且缆绳内部编织有光纤,光纤底端折弯处套设有保护壳,保护壳包括顶盖,顶盖通过螺纹与壳体连接,顶盖顶部对称设有防磨损密封圈,壳体内部纵向设有至少个固定轴,每个固定轴外部套有转轴,壳体内壁粘附有橡胶层。该装置通过海浪、海流对缆绳的冲击来实时监测缆绳的张力,通过监测所获得的数据对缆绳受到的张力做出决策,避免缆绳受力超过其承载能力而导致断裂造成的经济损失。(The invention discloses a device for monitoring and early warning structural object damage according to stress, which comprises a mobile terminal, a data processor and a netting, wherein the top of the netting is connected with a top frame, the bottom of the netting is provided with a bottom frame, the bottom surface of the bottom frame and the lower edge of the periphery of the top frame are connected with cables, the cables are formed by weaving a plurality of strands, optical fibers are woven in the cables, a protective shell is sleeved at the bending part at the bottom end of each optical fiber and comprises a top cover, the top cover is connected with a shell through threads, anti-abrasion sealing rings are symmetrically arranged at the top of the top cover, at least one fixed shaft is longitudinally arranged in the shell, a rotating shaft is. The device monitors the tension of the mooring rope in real time through the impact of sea waves and ocean currents on the mooring rope, and makes a decision on the tension of the mooring rope through monitoring obtained data, so that the economic loss caused by breakage due to the fact that the mooring rope is stressed beyond the bearing capacity of the mooring rope is avoided.)

1. The utility model provides a device according to destruction of stress monitoring early warning structure, includes mobile terminal (1), data processor (2), netting (3), its characterized in that: netting (1) top is connected with top frame (4), netting (1) bottom is equipped with underframe frame (7), underframe frame (7) bottom surface and the peripheral lower limb of top frame (4) are connected with hawser (8), hawser (8) are woven by the stranded and are formed, and hawser (8) inside is woven and have optic fibre (12), optic fibre (12) bottom department of bending cover is equipped with protective housing (13), protective housing (13) include top cap (132), top cap (132) are connected with casing (131) through the screw thread, top cap (132) top symmetry is equipped with abrasionproof and decreases sealing washer (133), casing (131) inside vertically is equipped with 3 at least fixed axles (134), every fixed axle (134) outside cover has pivot (135), casing (131) inner wall is stained with rubber layer (136).

2. The device for monitoring and warning the damage of the structure according to the stress as claimed in claim 1, wherein: the optical fiber (12) in the cable (8) is connected with the data processor (2) through a wireless signal, the output processor (2) is connected with the mobile terminal (1) through a wire, and the mobile terminal (1) is equipment capable of displaying data.

3. The device for monitoring and warning the damage of the structure according to the stress as claimed in claim 1, wherein: a plurality of elastic ropes (6) are annularly distributed on the outer edge of the top frame (4), one end of each elastic rope (6) is movably connected with the top frame (4), and the other end of each elastic rope (6) is fixedly connected with the top net (5).

4. The device for monitoring and warning the damage of the structure according to the stress as claimed in claim 1, wherein: the net (3) is conical, the included angle of the joint of the net (3) and the bottom frame (7) is 75-80 degrees, the bottom surface of the bottom frame (7) is connected with a traction rope (10), and a plurality of weight blocks (11) are vertically arranged on the traction rope (10).

5. The device for monitoring and warning the damage of the structure according to the stress as claimed in claim 1, wherein: the mooring ropes (8) are at least provided with 4-6 mooring ropes, the tail ends of the mooring ropes (8) are connected with anchor bodies (9), and every two mooring ropes (8) are connected to the same anchor body (9) together.

6. The device for monitoring and warning the damage of the structure according to the stress as claimed in claim 1, wherein:

the net clothing (3) edge is equipped with buoyancy module (14), buoyancy module (14) include a plurality of gasbag (143), gasbag (17) inside is equipped with lead (141), every be connected with trachea (142) between gasbag (143), the upper end and the top frame (4) wire-wound of trachea (142).

7. A method for monitoring and early warning structural object damage according to stress is characterized in that: the monitoring and early warning method comprises the following steps;

the first step is as follows: impacting a cable (8) at the bottom of the netting (1) through ocean currents and waves, and monitoring original tension data of the cable (8) through an optical fiber (12) inside the cable (8);

the second step is that: the optical fiber (12) sends the monitored original data to the data processor (2) in a wireless transmission mode for further processing;

the third step: the data processor (2) transmits the processing result to the mobile terminal (1);

the fourth step: the operator analyzes and judges the output tension value to judge whether the output tension value exceeds the bearing capacity of the mooring rope (8).

Technical Field

The invention belongs to the technical field of monitoring and early warning, and particularly relates to a device for monitoring and early warning structural object damage according to stress.

Background

The mooring rope is an indispensable stress element and safety guarantee in marine aquaculture engineering and various engineering constructions, and the stress condition of the mooring rope can greatly influence the life safety, the aquaculture safety and the aquaculture benefit, so that the monitoring of the tension of the mooring rope is particularly important.

At present, the monitoring of the deformation of the pipeline or the cable is limited to the micro deformation, and a resistance type or capacitance type device is mostly used for fixed-point measurement. The measurement system has a large volume, so the measurement system has a large influence on the structure of a monitored object, and the measurement precision of large deformation cannot meet the positioning requirement. Meanwhile, positioning systems of underwater robots are all based on acoustics, and the positioning systems are complex in operation and have the defects of low updating rate, poor robustness to coast noise interference, poor autonomy and the like.

Disclosure of Invention

The invention aims to provide a device for monitoring and early warning structural damage according to stress, which monitors the tension of a cable in real time through the impact of sea waves and ocean currents on the cable, makes a decision on the tension of the cable through monitoring obtained data, and avoids economic loss caused by breakage of the cable due to the fact that the cable is stressed beyond the bearing capacity of the cable.

The technical scheme adopted by the invention for realizing the purpose is as follows: the utility model provides a device according to destruction of stress monitoring early warning structure, including mobile terminal, a data processor, the netting top is connected with the top frame, the netting bottom is equipped with the underframe frame, underframe frame bottom surface and top frame's peripheral lower limb are connected with the hawser, the hawser is woven by the stranded and is formed, and the inside optic fibre of having woven of hawser, the department's cover of bending in optic fibre bottom is equipped with the protective housing, the protective housing includes the top cap, the top cap passes through screw thread and shell connection, top cap top symmetry is equipped with the abrasionproof and decreases the sealing washer, the inside vertical at least fixed axle that is equipped with of casing, the outside. The optical fiber is woven in the cable, the optical fiber extends to the tail end of the cable and then is folded through the protective shell, an effective loop can be formed by the optical fiber, the optical fiber is prevented from being broken or being incapable of transmitting light, the top cover is connected with the shell through threads, the optical fiber penetrates through the top cover and is inserted into the shell, an anti-abrasion sealing ring is arranged at the contact part of the optical fiber and the top cover, on one hand, seawater can be prevented from being filled into the shell to influence the use of the optical fiber, on the other hand, the problem that the optical fiber is easy to break at the part is avoided, the optical fiber in the shell needs to bypass a rotating shaft arranged at the bottom of the shell, the rotating shaft can play a role in positioning and guiding the optical fiber and can not enable the optical fiber to retract into the cable, the rotating shaft at the middle part and the top of the shell also plays, the optical fiber inside the mooring rope can accurately measure the tension change of the mooring rope under the pushing of waves and ocean currents, the mooring rope needs to be replaced or reinforced if the tension value is larger than a preset value, the situation that the upper time of the tension borne by the mooring rope exceeds the bearing capacity of the mooring rope per se to cause breakage is avoided, meanwhile, the tension change of the mooring rope can be effectively measured under the premise that the function and the strength of the mooring rope are not influenced, and the reliability of the device is guaranteed.

Preferably, the optical fiber in the cable is connected with the data processor through a wireless signal, the output processor is connected with the mobile terminal through a wire, and the mobile terminal is a device capable of displaying data. The data measured by the optical fiber measuring data point transmits the initial data to the data processor through a wireless signal, the data processor stores and analyzes the received data, and the analysis result can be displayed through the mobile terminal, so that a worker can make a correct decision.

Preferably, at least 4-6 cables are provided, the tail ends of the cables are connected with the anchor bodies, and every two cables are connected with the same anchor body together. The paired mooring ropes are connected to the anchor body, so that the net cage can float in water stably, the culture capacity of the inner side of the netting is stable, the tension of the side netting, particularly the traction mooring ropes, can be relieved, and the whole net cage is prevented from being damaged due to the action of strong waves.

Preferably, a plurality of elastic ropes are annularly distributed on the outer edge of the top frame, one end of each elastic rope is movably connected with the top frame, and the other end of each elastic rope is fixedly connected with the top net. Under normal conditions, the top net at top frame top can locate the top frame top through the pulling force lid of stretch cord and form and seal, should set up the aquatic products that can prevent to breed on the one hand and flee from breeding the netting, and on the other hand can play the guard action when the box with a net sinks to below the surface of water, has improved the practicality of box with a net.

Preferably, the netting is conical, the included angle of the joint of the netting and the bottom frame is 75 degrees, the bottom surface of the bottom frame is connected with a traction rope, and a plurality of heavy blocks are vertically arranged on the traction rope. Ordinary box with a net is circular structure, and it can cause the structure unstable under bad weather, the drawback such as anti-current difference, and this box with a net sets up to the taper shape, and the contained angle of its bottom surface can play the reposition of redundant personnel effect to the wave in this within range, has reduced the impact of wave current to the etting, and effectual improvement anti-current performance, and the pouring weight of connecting of etting bottom has fixed the position in the aquatic of etting simultaneously, can not lead to the displacement of etting because of the stormy waves is too big, has further improved the security performance of etting.

Preferably, the netting edge is equipped with buoyancy module, and buoyancy module includes a plurality of gasbag, and the gasbag is inside to be equipped with the lead block, is connected with the trachea between every gasbag, tracheal upper end and top frame wire-wound. Buoyancy module plays the additional action to the netting, and the netting is heavy whole weight can change after in aqueous, can ventilate in the gasbag to buoyancy module, makes every gasbag all be in the inflation state, and at this moment, whole netting can have a small amount of buoyancy, can effectually reduce the tension that the hawser received, avoids the too big fracture that leads to of hawser tension, has ensured the life of hawser.

A method for monitoring and early warning structural damage according to stress comprises the following steps;

the first step is as follows: impacting a cable at the bottom of the netting by ocean currents and waves, and monitoring original tension data of the cable by optical fibers in the cable;

the second step is that: the optical fiber sends the monitored original data to a data processor for further processing in a wireless transmission mode;

the third step: the data processor transmits the processing result to the mobile terminal;

the fourth step: the operator analyzes and judges the output tension value to judge whether the output tension value exceeds the bearing capacity of the mooring rope.

Compared with the prior art, the invention has the beneficial effects that: the optical fiber is woven in the cable, the protective shell is arranged at the bottom of the optical fiber, the protective shell can prevent the break angle from occurring when the optical fiber is in arc transition, the optical fiber can be white to cause permanent damage which can not be penetrated by light, the tension change of the cable can be accurately measured by the optical fiber in the cable under the push of waves and ocean currents, the cable needs to be replaced or reinforced if the tension value is larger than a preset value, the cable is prevented from being broken due to the fact that the time of the tension borne by the cable exceeds the bearing capacity of the cable, meanwhile, the tension change of the cable can be effectively measured on the premise that the function and the strength of the cable are not influenced, and the reliability of.

According to the device for monitoring and early warning the damage of the structure according to the stress, which is provided by the technical scheme, the defects of the prior art are overcome, the design is reasonable, and the operation is convenient.

Drawings

FIG. 1 is a front view of an apparatus for monitoring and warning structural failure based on stress in accordance with the present invention;

FIG. 2 is a schematic view of the internal structure of the cable of the present invention;

FIG. 3 is a schematic view of the internal structure of the protective case of the present invention;

FIG. 4 is a schematic structural view of the buoyancy module of the present invention;

FIG. 5 is a flow chart of the present invention;

fig. 6 is a graph showing the tension test of the cable of the present invention.

Description of reference numerals: 1, a mobile terminal; 2 a data processor; 3, netting; 4 a top frame; 5, top net; 6, elastic ropes; 7, a bottom frame; 8, a cable; 9 an anchor body; 10, pulling a rope; 11 weight block; 12 an optical fiber; 13 a protective shell; 131 a housing; 132 a top cover; 133 wear prevention seal ring; 134 a fixed shaft; 135 rotating shaft; 136 rubber layer; 14 a buoyancy module; 141 lead block; 142 air pipe; 143 air bag.

Detailed Description

The invention is described in further detail below with reference to examples and figures: