CN112781658A

CN112781658A - Underwater root stone loss detection sensor

Info

Publication number: CN112781658A
Application number: CN202110210234.9A
Authority: CN
Inventors: 王琴; 赵俊杰; 郑飞; 王越洋; 杨雁茗; 张付阳; 赵媛媛; 卫强; 郭冉; 王永图
Original assignee: Information Center Of Henan Yellow River Bureau
Current assignee: Information Center Of Henan Yellow River Bureau
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-05-11

Abstract

The invention discloses an underwater root stone loss detection sensor which comprises a vibration detection sensor (1), a rolling state detection sensor (2) and a waterproof protection shell (3), wherein the vibration detection sensor and the rolling state detection sensor are arranged in the waterproof protection shell, and output signals of the vibration detection sensor and the rolling state detection sensor are led out of the waterproof protection shell through a 4-core shielding signal cable (4). When the underwater foundation stone monitoring device is used, the underwater foundation stone monitoring device is fixed at the position where the foundation stone or the carrier dam stone is stably placed into the underwater foundation stone, and is connected with the above-water monitoring terminal through the connecting line, so that when the foundation stone moves, vibrates or is disconnected by cables, the state of the foundation stone can be detected in time, a foundation stone loss signal is output, and the collapse and displacement conditions of the dam side slope and the underwater stone can be sensed at the first time.

Description

Underwater root stone loss detection sensor

Technical Field

The invention relates to detection sensing equipment, in particular to an underwater root stone detection sensor.

Background

The yellow river is a sediment-laden river, a suspended river is formed at the downstream, in order to control the yellow river, a plurality of dams are built according to the river situation to regulate and control water flow, dike breaking and danger emergence are prevented, the dam bank of the yellow river can rapidly grow in a short time after danger emergence, early rescue is important when early rescue is found, and in order to carry out informatization strong supervision on hydraulic engineering such as important dangerous works, control and guidance, a timely and reliable river channel engineering dam bank dangerous case monitoring and early warning alarm system needs to be developed and laid to improve the detection capability. The state of the root stones is monitored by adopting modern electronic equipment and an automatic control transmission system, and the state is displayed on a monitoring interface in real time, so that early treatment is convenient to discover, and valuable time is won for flood control and emergency rescue.

The problem of dam bank outbreak is the root protection problem, and in the aspect of the word, the loss of the root stones is the root cause of the dam bank outbreak of the dangerous works, and the danger can be reduced by reducing the loss of the root stones. In order to eliminate the dangerous case caused by the loss of the root stones in time, accurate and quick early warning and timely emergency protection must be carried out on the loss of the root stones. In flood control and emergency rescue, the dam patrol and inspection is an extremely important work, and a large amount of manpower and material resources are consumed in the dam patrol and inspection every year, so that the condition of missing inspection and missing report is still inevitable, so that the small risk is brought into a big risk, and the safety of flood control engineering is endangered. Therefore, aiming at the defects of the traditional manual bank patrol, a safety monitoring system which can fully adapt to the yellow river condition is researched, modern monitoring equipment and automatic control equipment are adopted, and the equipment and the system which can monitor the collapse dangerous condition of the dam stones of the yellow river dam in real time are provided, so that the monitoring and early warning and forecasting of the collapse dangerous condition of the dam can be realized, the dangerous condition can be found and reported in time, the emergency rescue can be carried out in the first time to avoid greater loss, the flood condition monitoring in the first time can be realized, the river safety is ensured, and the problems of manual inspection and inspection are avoided.

And the most basic work is the sensor by adopting modern monitoring equipment and automatic control equipment. The dam bank root stone detection sensor can sense the conditions of dam slope and underwater stone collapse and displacement at the first time, and timely sends out alarm information, so that the timely guarantee is provided for timely carrying out effective rescue work.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an underwater root stone loss detection sensor which can sense the displacement, loss and collapse conditions of a dam slope and underwater stones at the first time. The method can provide first-hand, timely, accurate and reliable field data information for automatically monitoring the collapse of the root stones by utilizing the Internet of things and a big data technology.

The technical scheme adopted by the invention is as follows:

the utility model provides a detection sensor is wandered away to root stone under water, includes vibrations detection sensor (1), rolling state detection sensor (2) and waterproof protection casing (3), vibrations detection sensor (1), rolling state detection sensor (2) set up in waterproof protection casing (3), vibrations detection sensor, rolling state detection sensor output signal draw forth from waterproof protection casing (3) through 4 core shielding signal cables (4).

The vibration detection sensors (1) are connected in series in two or three ways, and vibration detection signal wires are led out from two ends of the vibration detection sensors.

And a filling sealant (5) is arranged inside the waterproof protection shell (3). One end of the waterproof protective shell (3) is closed, the other end is open, and the open end is provided with a waterproof sealing screw cap (6).

The detection sensor for detecting underwater root stone loss comprises a carrier dam stone, wherein a hole is drilled in the carrier dam stone, a vibration detection sensor and a rolling state detection sensor which are externally provided with a waterproof protection shell are arranged in the hole, then the hole is sealed by resin glue, and a 4-core shielding signal cable (4) for internally connecting the vibration detection sensor and the rolling state detection sensor to output signals is led out from the carrier dam stone and is connected with a waterproof connector.

The underwater root stone loss detection sensor is characterized in that a connecting rope used for stably putting the carrier dam stone underwater is arranged on the carrier dam stone.

The invention has the beneficial effects that:

1. the underwater root stone loss detection sensor comprises a vibration detection sensor and a rolling state detection sensor, is fixed on the underwater root stone through a fixed support or is fixed in the carrier dam stone through a drilling hole, can completely present the vibration, displacement and loss states of the root stone, and can timely and accurately detect a loss signal of the root stone.

2. The sensor for detecting the loss of the underwater root stones can sense the collapse and displacement conditions of the dam slope and the underwater stones at the first time. The method can provide first-hand, timely, accurate and reliable field data information for automatically monitoring the collapse of the root stones by utilizing the Internet of things and a big data technology. Can be popularized and applied to landslide and places with potential safety hazards.

3. The underwater root stone detection sensor has the advantages of low cost, simple operation, feasible technology, low possibility of false alarm and missing report, relatively low manufacturing cost, loss compensation and low cost of large-scale distribution and installation. Is beneficial to popularization and application; and is convenient for field management and reduces artificial damage.

Drawings

FIG. 1 is a schematic structural view of an underwater root stone loss detection sensor according to the present invention;

fig. 2 is a schematic view (overall external shape and configuration) of the application of the sensor for detecting the loss of underwater root stone according to the present invention.

Detailed Description

The technical solution of the present invention is further described in detail below by means of specific embodiments and with reference to the accompanying drawings.

Example 1

Referring to fig. 1, the sensor for detecting the underwater loss of the root stone comprises a vibration detection sensor 1, a rolling state detection sensor 2 and a waterproof protection shell 3, wherein the vibration detection sensor 1 and the rolling state detection sensor 2 are arranged in the waterproof protection shell 3, and output signals of the vibration detection sensor and the rolling state detection sensor are led out of the waterproof protection shell 3 through a 4-core shielding signal cable 4.

Inside the waterproof protective shell 3, a filling sealant 5 is arranged for moisture prevention and moisture prevention.

In order to facilitate maintenance and overhaul, one end of the waterproof protection shell 3 is closed, the other end of the waterproof protection shell is open, and a waterproof sealing spiral cover 6 is arranged at the open end of the waterproof protection shell.

In the figure, reference numeral 7 denotes an output signal pin of the vibration detection sensor and the rolling state detection sensor.

When the underwater root stone loss detection sensor is implemented, two or three vibration detection sensors can be connected in series, and vibration detection signal wires are led out from two ends of the vibration detection sensors. Two or three vibration detection sensors are connected in series, so that the sensitivity of vibration alarm can be reduced, and the false alarm caused by the influence of water flow or underwater impurities can be reduced.

The sensor for detecting underwater root stone loss can be fixed to the underwater root stone through the fixing support during use, and output signal lines of the vibration detection sensor and the rolling state detection sensor are connected with the terminal equipment for monitoring collapse of the root stone. After the 4-core cable is broken by external force, the alarm information sent out by signal feedback detection is carried out by utilizing the water conducting property. Therefore, the underwater root stone loss detection sensor can detect vibration early warning and loss warning.

Example 2

Referring to fig. 2, the underwater root stone loss detection sensor of the present embodiment is different from that of embodiment 1 in that: including carrier dam stone 8 bore phi 15mm, dark 80mm hole on the carrier dam stone, be equipped with the vibrations detection sensor of water proof housing, roll state detection sensor with the outside and put into, then seal firmly with resin adhesive 9, internal connection vibrations detection sensor, roll state detection sensor output signal's 4 core shielding signal cables 4 are drawn from carrier dam stone and are connected water joint 10.

The carrier dike 8 is provided with a connecting rope 11 for stably putting it under water. As shown in fig. 2, expansion screws are fixed on the carrier dam stones, and the connecting ropes 11 are fastened on the expansion screws, so that the carrier dam stones are stably placed in the position of the underwater foundation stone.

The underwater root stone loss detection sensor is mainly used underwater and is arranged 2 to 3 meters away from the water surface on the shore. During the use through connecting wire and monitor terminal connection on water, when the dam bank side slope stone head was washed by the flood and is taken place the displacement and collapse, the root stone takes place to remove, vibrations or the cable disconnection, and the sensor can in time detect the root stone state, and sensor output signal passes to dam bank monitoring system with the root stone signal of wandering away to can collapse to the flat stone and play timely accurate early warning effect.

The sensor for detecting the loss of the underwater root stone is feasible technically, low in cost, simple to operate, convenient for field management, capable of reducing artificial damage and beneficial to popularization and application. The whole machine adopts the modularized design, and the body is glue-filled, sealed, waterproof and moistureproof, so that reliable and stable work under different environments can be ensured. The dam body root stone vibration and rolling state detection and underwater cable (open circuit and short circuit) detection alarm on water are realized. The alarm ensures that the alarm must be reported in danger and the alarm state can be early warned in time.

Claims

1. The utility model provides an underwater root stone detection sensor that wanders away, includes vibrations detection sensor (1), rolling state detection sensor (2) and water proof housing (3), its characterized in that: the vibration detection sensor (1) and the rolling state detection sensor (2) are arranged in the waterproof protection shell (3), and output signals of the vibration detection sensor and the rolling state detection sensor are led out from the waterproof protection shell (3) through a 4-core shielding signal cable (4).

2. The underwater root stone loss detection sensor according to claim 1, characterized in that: the vibration detection sensors (1) are connected in series in two or three ways, and vibration detection signal wires are led out from two ends of the vibration detection sensors.

3. The underwater root stone loss detection sensor according to claim 1 or 2, characterized in that: and a filling sealant (5) is arranged inside the waterproof protection shell (3).

4. The underwater root stone loss detection sensor according to claim 1 or 2, characterized in that: one end of the waterproof protective shell (3) is closed, the other end of the waterproof protective shell is open, and a waterproof sealing spiral cover (6) is arranged at the open end of the waterproof protective shell; the waterproof protective shell (3) is internally provided with a filling sealant (5).

5. The underwater root stone loss detection sensor according to claim 1 or 2, characterized in that: including carrier dam stone go up the drilling, with the vibrations detection sensor that the outside was equipped with the water protection casing, roll state detection sensor and put into, then seal the jail with the resin glue, 4 core shielding signal cable (4) that internal connection vibrations detection sensor, roll state detection sensor output signal are drawn from carrier dam stone and are connected water joint.

6. The underwater root stone loss detection sensor according to claim 5, wherein: and the carrier dam stone is provided with a connecting rope for stably putting the carrier dam stone under water.

7. The underwater root stone loss detection sensor according to claim 4, wherein: including carrier dam stone go up the drilling, with the vibrations detection sensor that the outside was equipped with the water protection casing, roll state detection sensor and put into, then seal the jail with the resin glue, 4 core shielding signal cable (4) that internal connection vibrations detection sensor, roll state detection sensor output signal are drawn from carrier dam stone and are connected water joint.

8. The underwater root stone loss detection sensor according to claim 7, wherein: and the carrier dam stone is provided with a connecting rope for stably putting the carrier dam stone under water.