CN210507540U

CN210507540U - Multifunctional well lid and monitoring system comprising same

Info

Publication number: CN210507540U
Application number: CN201921278124.0U
Authority: CN
Inventors: 白云; 杨宇帆
Original assignee: Chongqing Dongdian Communication Technology Co ltd
Current assignee: Chongqing Dongdian Communication Technology Co ltd
Priority date: 2019-08-07
Filing date: 2019-08-07
Publication date: 2020-05-12
Anticipated expiration: 2029-08-07

Abstract

The utility model provides a multifunctional well lid and a monitoring system comprising the same, wherein the multifunctional well lid comprises a lid body and a monitoring terminal arranged at the lower end of the lid body, the monitoring terminal comprises a shell and a monitoring circuit system, a baffle plate for dividing a hollow inner cavity of the shell into a first cavity and a second cavity is arranged in the shell, a mounting hole for communicating the first cavity and the second cavity is arranged on the baffle plate, an elastic damping mechanism is arranged in the first cavity, and the side wall of the second cavity is provided with a plurality of through holes with different heights; the monitoring circuit system comprises a microcontroller and a communication module which are all arranged in the first cavity, an inclination detection device arranged in the first cavity through an elastic vibration damping mechanism and a liquid level sensor arranged in the mounting hole in a sealing mode. The monitoring system also comprises a server, and an operation and maintenance management terminal and a mobile terminal which are respectively communicated with the server. The utility model discloses guaranteed its reliability that detects the water level, avoided the slope detection device to send the erroneous judgement signal through elasticity damping mechanism simultaneously.

Description

Multifunctional well lid and monitoring system comprising same

Technical Field

The utility model relates to a municipal facilities field especially relates to well lid and contain monitoring system of this well lid with multiple monitoring function.

Background

Various underground hoistways located in cities are an important municipal infrastructure for communicating underground drainage systems or underground cable piping systems in general, and well covers are doors of various underground hoistways, which assume important responsibilities. In reality, the well lid is often destroyed by the people, stolen or washed away by flood etc. phenomenon, in case underground well has lost the shelter of well lid, not only can bring very big potential safety hazard for masses' road, still can lead to underground cable or pipe network to be destroyed a series of problems such as more easily.

Based on the above problems, more and more intelligent and information manhole covers and application systems thereof are now available, which integrate multiple functions, and for example, patent document CN107482565A provides a cable manhole cover for realizing intelligent monitoring, which includes: the cable well comprises a cable well seat fixed on the ground, a cable well cover rotationally fixed on the cable well seat, a monitoring device arranged below the cable well seat, a connecting shaft connected between the cable well seat and the cable well cover, and a waterproof box for sealing the monitoring device; the monitoring device comprises: the sensor assembly is connected with a microprocessor of the sensor assembly, a CT power taking module for providing power supply for the microprocessor and measuring working voltage of the microprocessor, a communication interface connected with the microprocessor, a GSM module connected with the communication interface and a wireless transceiving module connected with the communication interface; the monitoring device is horizontally fixed at the lower end of the cable well cover by the waterproof box and is positioned in the cable well cover to form a whole body, so that construction and installation are convenient. Although the above prior art can realize monitoring the state of the cable well lid, still has the following defects: because the monitoring device is integrally arranged in the waterproof box, when the water level rises, the air exists in the waterproof box, so that the water level cannot be detected by the pressure sensor in the monitoring device when the water level rises, and the monitoring reliability is insufficient; simultaneously, because monitoring devices contains gyroscope or mercury dip switch, the well lid takes place to warp because of the condition such as vehicle rolls easily after long-term the use simultaneously, and when the well lid top had the vehicle to drive through, probably cause the well lid to vibrate or slightly rock this moment to lead to gyroscope or mercury dip switch to produce the erroneous alarm signal of misjudgement and sending.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a multi-functional well lid and contain multi-functional well lid's monitoring system, its monitoring result that has solved existence among the prior art is unreliable and produce false alarm signal scheduling problem easily.

In order to achieve the above object, the utility model provides a:

multifunctional well lid, including the lid with install the monitor terminal at the lid lower extreme, monitor terminal contains the casing that has the cavity inner chamber and installs the monitoring circuitry in the casing, wherein:

a partition plate is arranged in the shell and divides the hollow inner cavity into a first cavity and a second cavity, the first cavity is a closed cavity and is provided with an elastic vibration damping mechanism, the side wall of the second cavity is provided with a plurality of through holes with different heights, and the partition plate is provided with a mounting hole for communicating the first cavity with the second cavity;

the monitoring circuit system comprises a microcontroller, a communication module, an inclination detection device and a liquid level sensor, wherein the microcontroller and the communication module are all installed in the first cavity, the inclination detection device is installed in the first cavity through an elastic vibration damping mechanism, the liquid level sensor is installed in the installation hole in a sealing mode, and the communication module, the inclination detection device and the liquid level sensor are all electrically connected with the microcontroller.

And simultaneously, the utility model discloses still provide:

the monitoring system comprises the multifunctional well lid, the server, and an operation and maintenance management terminal and a mobile terminal which are respectively communicated with the server, wherein the multifunctional well lid is communicated with the server through a communication module.

Compared with the prior art, the utility model discloses following beneficial effect has: the through holes with different heights are arranged on the second cavity, when the water level in the well rises, the accumulated water can enter the second cavity from the lower through hole, so that the air is discharged from the higher through hole, and the accumulated water entering the second cavity can be detected by the liquid level sensor, thereby ensuring the reliability of the water level detection; and simultaneously, the utility model discloses a set up elasticity damping mechanism in first cavity, can cushion the slight vibration that the driving caused or rock, and then avoided slope detection device to send the misjudgement signal.

Drawings

Figure 1 is the utility model discloses a well lid's decomposition schematic diagram.

Fig. 2 is the utility model discloses monitor terminal's inner structure schematic diagram.

Fig. 3 is a partially enlarged view of a portion a of fig. 2.

Fig. 4 is a schematic structural diagram of the monitoring system of the present invention.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1 and 2, the utility model provides a multifunctional well lid, include lid 10 and install the monitor terminal 20 at lid 10 lower extreme, monitor terminal 20 contains the casing 21 that has the cavity inner chamber and installs the monitoring circuitry in casing 21, wherein:

an annular limiting bulge 11 is arranged at the center of the lower end face of the cover body 10, so that the center of the limiting bulge 11 is surrounded to form a circular mounting groove, a plurality of connecting screw rods 12 extending downwards are fixedly arranged in the mounting groove, a plurality of divergent reinforcing ribs 13 are further arranged around the limiting bulge 11, the cover body 10 can be cast by concrete with a built-in steel bar framework or by other composite materials through a mold, and a plurality of air holes 14 are further formed in the cover body 10;

as shown in fig. 2, the whole housing 21 is an inverted round platform structure, and a horizontal partition 210 is disposed in the housing, and the partition 210 divides the hollow inner cavity into a first cavity 211 located above and a second cavity 212 located below, a mounting hole 213 communicating the first cavity 211 and the second cavity 212 is disposed on the partition 210, a disc-shaped protrusion is further disposed in the middle of the upper end surface of the partition 210, a plurality of mounting posts 214 are disposed at the edge of the partition 210, and a plurality of fixing holes for fixing a circuit board are disposed at the top ends of the mounting posts 214;

the first cavity 211 is a closed cavity, a first opening is formed in the upper portion of the first cavity, and a top plate 215 for opening or closing the first opening is fixed at the first opening through a screw; a plurality of mounting platforms are arranged on the periphery of the first opening, the height of each mounting platform is lower than that of the first opening, so that a groove is formed between each mounting platform and the first opening, a plurality of connecting holes 216 are arranged on each mounting platform, a ring of annular blocking edge 217 higher than the top plate 215 is arranged on the periphery of the groove, a sealing ring 22 is arranged on the outer side of the first opening, and the upper end of the sealing ring 22 is higher than the annular blocking edge 217, as shown in fig. 1, when being installed, the connecting screw 12 can be inserted into the connecting hole 216 and fixed at the lower end by a nut structure, thereby realizing that the shell 21 is fixed in the mounting groove of the cover body 10, and because the first opening is externally wrapped by the sealing ring 22, the sealing is realized by the upper end of the sealing ring 22 being tightly pressed on the lower end surface of the cover body 10, accumulated water can be prevented from seeping into the first cavity 211 from the first opening when the water level in the well rises; an elastic vibration reduction mechanism is further installed in the first cavity 211, and specifically, as shown in fig. 3, the elastic vibration reduction mechanism includes a plurality of limiting rods 231 fixed on the upper end surface of the partition plate 210, vibration reduction springs 232 respectively sleeved on the limiting rods 231, and limiting parts 233 fixed on the top ends of the limiting rods 231; preferably, the limiting rod 231 may be a screw with a smooth upper end and an external thread at a lower end, and the limiting portion 233 is a nut at the top end of the screw and may be fixed on the disc-shaped protrusion of the partition 210 by means of self-tapping or the like;

the side wall of the second cavity 212 is provided with a plurality of through holes 218 with different heights, the side wall of the second cavity 212 is further provided with a second opening, and a cover plate 219 for opening or closing the second opening is fixed at the second opening; preferably, the second opening is disposed at the bottom end of the second cavity 212, the cover plate 219 is horizontally and fixedly connected to the housing 21 through a screw, and the through hole 218 includes a plurality of water inlets disposed at the edge of the cover plate 219 and a plurality of air outlets disposed on the sidewall of the housing 21 and located at the upper end of the second cavity 212; as shown in fig. 2, when the water level in the hoistway rises, the accumulated water enters the second cavity 212 from the water inlet, and the air in the second cavity 212 is discharged from the air outlet, and in actual production, the water inlet and the air outlet are designed to be as small as possible so as to prevent mosquitoes from climbing into the second cavity 212 through the water inlet;

the monitoring circuit system comprises a circuit board 24 which is arranged in the first cavity 211, an inclination detection device 241 which is arranged in the first cavity 211 through an elastic vibration damping mechanism, and a liquid level sensor 242 and a temperature sensor 243 which are arranged in the mounting hole 213 in a sealing manner, wherein a microcontroller, a communication module and a power supply module are integrated on the circuit board 24, the communication module, the inclination detection device 241, the temperature sensor 243 and the liquid level sensor 242 are all electrically connected with the microcontroller, the microcontroller can adopt an STM32 microprocessor, the communication module can adopt a GSM module or an NB-IOT module, the power supply module can adopt 3600mAh lithium batteries, the inclination detection device 241 can adopt a six-axis gyroscope sensor, the temperature sensor 243 can adopt an NTC temperature sensor 243 with small size and high precision, the liquid level sensor 242 can adopt a CBM-5000 type semiconductor liquid level sensor 242 with high precision, the liquid level sensor 242 and the temperature sensor 243 can be installed in a sealing manner by using hot melt adhesive, and the liquid level sensor 242 and the temperature sensor 243 are inserted into the installation hole 213, and the detection heads of the liquid level sensor 242 and the temperature sensor 243 extend into the second chamber 212, and then gaps between the liquid level sensor 242 and the installation hole and gaps between the temperature sensor 243 and the installation hole are filled by using hot melt adhesive; preferably, a plurality of limiting holes 244 are formed in the mounting plate of the six-axis gyroscope sensor, the diameter of the rod is slightly smaller than the diameter of the limiting holes 244, the size of the nail cap is larger than that of the limiting block, and the outer diameter of the bolt is larger than that of the limiting block damping spring 232, so that the mounting plate of the six-axis gyroscope sensor can be sleeved on each limiting rod 231 in a vertically sliding mode through the limiting holes 244, the limiting holes 244 are located between the limiting portions 233 and the damping spring 232, when the well lid slightly vibrates or shakes due to the fact that a vehicle passes through the well lid, the damping spring 232 absorbs vibration energy to achieve buffering, the six-axis gyroscope sensor is prevented from greatly shaking, and further the six-axis gyroscope sensor is prevented from sending wrong.

As shown in fig. 4, the utility model also provides a monitoring system, it includes multi-functional well lid, server 30 and operation and maintenance management terminal 40 and mobile terminal 50 with server 30 communication respectively, multi-functional well lid pass through communication module with server 30 communication, wherein server 30 is used for realizing transferring and storing in the data, operation and maintenance management terminal 40 then is used for the operation managers to carry out unified management to each monitoring terminal at the back stage, and mobile terminal 50 can supply municipal administration personnel to look over the monitoring data of each well lid and register, parameter setting or emergency maintenance to the well lid as required; the server 30 is a cloud platform or an IoT platform, wherein when the monitoring terminal 20 is integrated with a GSM module, it can be inserted into a SIM card to directly communicate with the cloud platform through a 3G, 4G or 5G network and transmit data detected by each sensor to the cloud platform; and when the communication module integrated in the monitoring terminal 20 is an NB-IOT module, it can access an IOT core network through an NB-IOT eNB base station and then connect to an IOT platform, where the access number of each NB-IOT eNB base station is tens of times higher than that of other wireless technologies, and it is not necessary to re-establish a network, and meanwhile, the NB-IOT module has lower power consumption and does not need to set an antenna, so that the cost is lower, and it is possible to effectively monitor various types of well lids with huge number in cities.

The utility model discloses in, the design of current circuit can all be adopted to the monitoring circuitry among monitor terminal 20, for CN106759508A and publication number CN107482565A all disclose relevant monitoring circuit's structure like the publication number, and the concrete circuit structure of each part and the connecting circuit between each component are also not the invention point of the utility model, therefore no longer describe.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. Multifunctional well lid, including the lid with install the monitor terminal at the lid lower extreme, monitor terminal contains the casing that has the cavity inner chamber and installs the monitoring circuit system in the casing, its characterized in that:

2. The multifunctional well lid of claim 1, wherein: the baffle is horizontal setting and first cavity is located the top of second cavity.

3. The multifunctional well lid of claim 2, wherein: elastic damping mechanism contains a plurality of gag lever posts that are fixed in the baffle up end, overlaps the damping spring on each gag lever post respectively and fixes the spacing portion on each gag lever post top, be equipped with a plurality of spacing holes on the slope detection device, and the diameter in spacing hole is greater than the diameter of gag lever post and is less than damping spring's external diameter and the radial dimension of spacing portion, the slope detection device can overlap on each gag lever post and spacing hole site is between spacing portion and damping spring through spacing hole slidable from top to bottom.

4. The multifunctional well lid of claim 2, wherein: a first opening is formed in the upper portion of the first cavity, and a top plate used for opening or closing the first opening is fixed at the first opening.

5. The multifunctional well lid of claim 4, wherein: the utility model discloses a sealing device, including first opening, first opening periphery is equipped with a plurality of mount tables, and the mount table highly be less than the highly make mount table and first opening part form the recess of first open-ended, is equipped with a plurality of connecting holes on the mount table, the periphery of recess is equipped with the annular that the round is higher than the roof and keeps off the edge, the first opening outside still is equipped with the upper end that sealing washer and sealing washer change and the annular keeps off the edge.

6. The multifunctional well lid of claim 1, wherein: the lateral wall of the second cavity is also provided with a second opening, and a cover plate for opening or closing the second opening is fixed at the second opening.

7. The monitoring system is characterized by comprising the multifunctional well lid as claimed in claim 1, a server, and an operation and maintenance management terminal and a mobile terminal which are respectively communicated with the server, wherein the multifunctional well lid is communicated with the server through a communication module.

8. The monitoring system of claim 7, wherein: the server is a cloud platform or an IoT platform, and the communication module is a GSM module or an NB-IOT module.