阅读说明：本技术 一种智能窨井盖应变监控系统 (Intelligent inspection well cover strain monitoring system ) 是由 潘艳红 于 2019-09-04 设计创作，主要内容包括：本发明公开了一种智能窨井盖应变监控系统,包括外井盖、内井盖、转轴、应变传感器、伺服电机、控制装置、监测管理云平台和终端,所述内井盖位于外井盖中,且二者通过转轴连接,所述若干应变传感器通过螺钉固定在内井盖下表面并且以转轴为中心呈放射状分布,所述伺服电机输出端与转轴相连,所述控制装置分别与应变传感器和伺服电机相连,所述监测管理云平台分别与控制装置、终端无线连接。本系统对井盖所受应变力的大小、位置和时间进行实时监测并记录到监测管理云平台,依据井盖所受应变力的位置及频率控制井盖转动,使井盖各个位置依次受力,降低井盖的损坏率,增加井盖的使用寿命。(The invention discloses an intelligent inspection well cover strain monitoring system which comprises an outer well cover, an inner well cover, a rotating shaft, strain sensors, a servo motor, a control device, a monitoring management cloud platform and a terminal, wherein the inner well cover is positioned in the outer well cover and is connected with the outer well cover through the rotating shaft, the strain sensors are fixed on the lower surface of the inner well cover through screws and are radially distributed by taking the rotating shaft as the center, the output end of the servo motor is connected with the rotating shaft, the control device is respectively connected with the strain sensors and the servo motor, and the monitoring management cloud platform is respectively in wireless connection with the control device and the terminal. This system carries out real-time supervision and takes notes monitoring management cloud platform to the size, position and the time of the dependent stress that the well lid receives, and according to the position and the frequency control well lid rotation of the dependent stress that the well lid receives, makes each position of well lid atress in proper order, reduces the spoilage of well lid, increases the life of well lid.)

1. The utility model provides an intelligence inspection shaft lid monitored control system that meets an emergency, a serial communication port, including outer well lid (1), interior well lid (2), pivot (3), strain transducer (4), servo motor (6) and controlling means (7), interior well lid (2) are located outer well lid, and the two is connected through pivot (3), well lid (2) lower surface including a plurality of strain transducers (4) are fixed through screw (5) and are radial distribution with pivot (3) as the center, servo motor (6) output links to each other with pivot (3), controlling means (7) link to each other with strain transducer (4) and servo motor (6) respectively.

2. The intelligent inspection well cover strain monitoring system according to claim 1, further comprising a monitoring management cloud platform (8) and a terminal (9), wherein the monitoring management cloud platform (8) is in wireless connection with the control device (7) and the terminal (9) respectively.

3. The intelligent inspection well cover strain monitoring system according to claim 1, wherein the control device (7) comprises a central processing unit (7.1) and a data entry module (7.2), a driving module (7.3), a power module (7.4), a data transmission module (7.5) and a GPS positioning module (7.6) which are respectively connected with the central processing unit (7.1), the strain sensor (4) is connected with the data entry module (7.2), the driving module (7.3) is connected with the servo motor (6), and the power module (7.4) is respectively connected with the central processing unit (7.1) and the servo motor (6) of the strain sensor (4).

4. The intelligent inspection well cover strain monitoring system according to claim 1, wherein a plurality of balls (2.1) are arranged at the contact position of the lower surface of the inner well cover (2) and the outer well cover, and the balls (2.1) are uniformly distributed along the edge of the inner well cover (2).

5. An intelligent manhole cover strain monitoring system according to claim 4, wherein the balls (2.1) and the shaft (3) are made of stainless steel.

6. The intelligent inspection well cover strain monitoring system according to claim 1, wherein drain holes (10) are respectively arranged on the outer well cover (1) and the inner well cover (2) at opposite positions, and the diameter of the drain hole (10) on the inner well cover (2) is smaller than or equal to the diameter of the drain hole (10) on the outer well cover (1).

7. An intelligent inspection well cover strain monitoring system according to claim 1 or 3 or 5 or 6, characterized in that the top end of the rotating shaft (3) is provided with a cross-shaped protrusion, the middle part of the rotating shaft (3) is provided with a gear groove, the output end of the servo motor (6) is provided with a gear, the gear is a bevel gear, and the gear is connected with the gear groove in the middle part of the rotating shaft (3) in a clamping manner.

8. The intelligent inspection well cover strain monitoring system according to claim 6, wherein the surfaces of the servo motor (6) and the control device (7) are covered with waterproof sealing shells, and a gear arranged at the output end of the servo motor (6) is made of stainless steel.

Technical Field

The invention relates to an inspection well cover, in particular to an intelligent inspection well cover strain monitoring system.

Background

The inspection well is used at the turning, branching and falling positions of a drainage pipeline, so that the inspection well is convenient to inspect and dredge and is named as an inspection well. The well lid is used for covering the road or the inspection shaft at home, prevents the lid that people or object fall, generally adopts circularly, can be used to places such as greenbelt, pavement, motorway, pier, lane. There is the data to show, the damage of well lid is mainly because single position repeatedly receives the damaged cause of strain force effect, and many well lids are because of its mounted position factor influence, and some parts of well lid receive the strain force effect of pedestrian, vehicle etc. easily, and the atress effect has all the time been then not acted on for the rest, finally lead to the part of easy atress effect impaired, and the rest is still intact, has shortened the life of well lid greatly, causes the wasting of resources.

Chinese patent document CN204940354U discloses a strain type weight measuring well cover. Including protective housing, strain sensor, memory, treater, power module, strain sensor both ends are fixed at the well lid lower surface, the protective housing sets up at the well lid lower surface, set up memory, treater and power module in the protective housing, the treater is connected with strain sensor, memory and power module electricity respectively, strain sensor both ends set up the round hole to fix at the well lid lower surface through the bolt, after the well lid damages, be convenient for take off recycle. The utility model discloses a can note the lid and cover bearing data at every turn after being pressed to the storage, whether can effectually prove the well lid and damage because the bearing exceeds standard, reduced manufacturer's maintenance and replacement cost. But this utility model only records the bearing data of well lid, does not have fundamentally to reduce the spoilage of well lid to the life of well lid is not increased.

Disclosure of Invention

The intelligent inspection well cover strain monitoring system mainly solves the technical problem that the service life of an original inspection well cover is short due to the fact that the strain force of the original inspection well cover is not uniform, monitors the magnitude, the position and the time of the strain force of the inspection well cover in real time, records the magnitude, the position and the time of the strain force of the inspection well cover to a monitoring management cloud platform, controls the rotation of the inspection well cover according to the position and the frequency of the strain force of the inspection well cover, enables all the positions of the inspection well cover to be stressed in sequence, reduces the damage rate.

The technical problem of the invention is mainly solved by the following technical scheme: the manhole cover comprises an outer manhole cover, an inner manhole cover, a rotating shaft, strain sensors, a servo motor and a control device, wherein the inner manhole cover is positioned in the outer manhole cover and is connected with the outer manhole cover through the rotating shaft, the strain sensors are fixed on the lower surface of the inner manhole cover through screws and are radially distributed by taking the rotating shaft as the center, the output end of the servo motor is connected with the rotating shaft, and the control device is respectively connected with the strain sensors and the servo motor. A plurality of strain sensors arranged on the lower surface of the inner well lid collect information such as the size, the position and the time of strain force borne by the inner well lid and send the information to the control device. The control device controls the rotating shaft through the servo motor according to the position and the frequency of the strain force applied to the well lid, so that the inner well lid rotates by a certain angle according to the frequency, each position of the well lid is sequentially stressed, and the phenomenon that the well lid is rapidly damaged due to the fact that the strain force is repeatedly applied to a single position is avoided, and the service life of the well lid is prolonged.

Preferably, the system further comprises a monitoring management cloud platform and a terminal, wherein the monitoring management cloud platform is in wireless connection with the control device and the terminal respectively. The control device sends the acquired information to the monitoring management cloud platform and establishes a database, and a user accesses the monitoring management cloud platform by means of a terminal to realize real-time monitoring of the well lid.

Preferably, the control device comprises a central processing unit, a data entry module, a driving module, a power supply module, a data transmission module and a GPS positioning module, the strain sensor is connected with the data entry module, the driving module is connected with the servo motor, and the power supply module is respectively connected with the central processing unit of the strain sensor and the servo motor. The data entry module is used for entering of strain sensor sampling data, central processing unit is used for well lid turned angle and frequency in according to the sampling data control, drive module is used for controlling servo motor work, power module is used for being strain sensor, controlling means and servo motor power supply, GPS orientation module is used for fixing a position the well lid, the staff of being convenient for maintains the change, data transmission module is used for the data of gathering strain sensor, central processing unit's control parameter and information such as well lid position send to monitoring management cloud platform and take notes.

Preferably, the contact position of the lower surface of the inner well cover and the outer well cover is provided with a plurality of balls, and the balls are uniformly distributed along the edge of the inner well cover. A plurality of balls are used for reducing the frictional force between well lid lower surface and outer well lid in, and the well lid rotates required power in reducing, and well lid rotates in the help.

Preferably, the balls and the rotating shaft are made of stainless steel. The ball and the rotating shaft are prevented from being corroded and damaged by water.

Preferably, the outer well cover and the inner well cover are respectively provided with drain holes with opposite positions, and the diameter of the drain hole on the inner well cover is larger than or equal to that of the drain hole on the outer well cover. The top surface of the outer well cover is provided with a step-shaped groove, the inner well cover is positioned in the groove, the inner well cover is in contact with the uppermost step of the groove, a cavity is formed between the inner well cover and the outer well cover, a servo motor and a control device are arranged in the cavity, and the servo motor and the control device are installed on the outer well cover. The diameter of the drain hole on the inner well cover is smaller than or equal to that of the drain hole on the outer well cover so as to avoid water accumulation in a cavity between the outer well cover and the inner well cover and damage internal equipment.

Preferably, the top end of the rotating shaft is provided with a cross-shaped bulge, the middle part of the rotating shaft is provided with a gear groove, the output end of the servo motor is provided with a gear, the gear is a bevel gear, and the gear is connected with the gear groove in the middle part of the rotating shaft in a clamping manner. The cross-shaped protrusion on the top end of the rotating shaft is used for fixing the rotating shaft and the inner well cover, so that the inner well cover can accurately rotate according to the rotating angle of the rotating shaft, the gear at the output end of the servo motor is clamped with the gear groove in the middle of the rotating shaft, the servo motor drives the gear groove through the gear, and the rotating shaft is rotated.

Preferably, the surfaces of the servo motor and the control device are covered with waterproof sealing shells, and a gear arranged at the output end of the servo motor is made of stainless steel. The surfaces of the servo motor and the control device are covered with waterproof sealing shells for avoiding the damage caused by the erosion of outside moisture, and the gear arranged at the output end of the servo motor is made of stainless steel for prolonging the service life of the gear.

The invention has the beneficial effects that: carry out real-time supervision and record monitoring management cloud platform to the size, position and the time of the dependent stress that the well lid receives, control the well lid according to the position and the frequency of the dependent stress that the well lid receives and rotate, make each position of well lid atress in proper order, reduce the spoilage of well lid, increase the life of well lid.

Drawings

Fig. 1 is a top view of the present invention.

Figure 2 is a cross-sectional view of the present invention.

Fig. 3 is a block diagram of a circuit schematic connection structure of the present invention.

In the figure, the device comprises an outer well cover 1, an inner well cover 2, a ball 2.1, a rotating shaft 3, a strain sensor 4, a screw 5, a servo motor 6, a control device 7, a central processing unit 7.1, a data entry module 7.2, a driving module 7.3, a power supply module 7.4, a data transmission module 7.5, a GPS positioning module 7.6, a monitoring management cloud platform 8, a terminal 9 and a drain hole 10

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.