Intelligent municipal road well lid

Abstract

The invention belongs to the technical field of well lids, and particularly relates to an intelligent municipal road well lid which comprises a well sleeve, and a placement table is arranged on the inner wall of a top opening of the well sleeve; the well lid is buckled on the placement table and is locked and fixed through a fixing component; the gas storage component is arranged on the bottom surface of the well lid; the multiple protection components are arranged in the well sleeve in a vertical annular array mode; the system comprises a power supply unit, a detection unit, a control unit, an execution unit, a communication unit and a background terminal. The detection unit is arranged in the gas storage component; the power supply unit, the control unit and the communication unit are all arranged at the position of a machine box on the roadside near a well, and the execution unit is arranged on the inner wall of a well sleeve and used for solving the problem that after overloaded vehicles enter sidewalks, parking lots and motor vehicle lanes by mistake and crush and damage composite material well lids, the damaged composite material well lids are difficult to find in real time, and the damage is difficult. And therefore, protection measures and replacement actions cannot be taken in time, and safety accidents are easy to occur.

Description

Technical Field

[0001] This invention belongs to the field of manhole cover technology, specifically relating to a smart municipal road manhole cover. Background Technology

[0002] Municipal road manhole covers are sealing devices installed on top of the manholes of underground pipelines, pipe corridors, cables, and other facilities on urban roads. Their core functions are to provide enclosure and passage, maintenance access, and safety. Municipal road manhole covers can be broadly classified into metal manhole covers, composite material manhole covers, and concrete manhole covers according to their materials. Among them, metal manhole covers are the most traditional and widely used type due to their high strength and load-bearing capacity. With the rapid development of urban road construction in recent years, composite material manhole covers have also begun to be widely used. Composite material manhole covers are mainly molded from unsaturated resin, glass fiber, and other materials, and are usually called "resin manhole covers" or "composite manhole covers." They are reinforced internally with steel bars or glass fiber and are mainly used on sidewalks, parking lots, and motor vehicle lanes with low load-bearing requirements.

[0003] However, in reality, when composite material manhole covers are used on sidewalks, parking lots, and motor vehicle lanes, their impact resistance and pressure resistance are slightly inferior to those of metal manhole covers. Therefore, when overloaded vehicles mistakenly enter sidewalks, parking lots, or motor vehicle lanes, they can easily crush and damage the composite material manhole covers. Damaged composite material manhole covers are difficult to detect in real time, making it impossible to take timely protective measures and replacement actions, which can easily lead to safety accidents. Summary of the Invention

[0004] Based on the problems mentioned in the background technology above, the present invention provides a smart municipal road manhole cover to solve the problem that when overloaded vehicles mistakenly enter sidewalks, parking lots, or motor vehicle lanes and crush or damage composite material manhole covers, the damaged composite material manhole covers are difficult to detect in real time, thus failing to take timely protective measures and replacement actions, which can easily lead to safety accidents.

[0005] The technical solution adopted in this invention is as follows:

[0006] A smart municipal road manhole cover includes:

[0007] A well casing, wherein a support platform is provided on the inner wall of the top opening of the well casing;

[0008] The manhole cover is fastened onto the support platform and secured by fixing components;

[0009] A gas storage component is installed on the bottom surface of the manhole cover, and the gas storage component is used to fill and seal nitrogen gas for storage.

[0010] The protective components are provided in multiples and are arranged in a vertical circular array inside the well casing. Each of the protective components can move up and down synchronously inside the well casing.

[0011] The system includes a power supply unit, a detection unit, a control unit, an execution unit, a communication unit, and a back-end terminal. The power supply unit provides power to the detection unit, the control unit, the execution unit, and the communication unit. The back-end terminal is powered by an independent back-end power supply.

[0012] The detection unit, execution unit, and communication unit are all electrically connected to the control unit.

[0013] The detection unit is installed inside the gas storage component and is used to detect the nitrogen pressure in the gas storage component and feed back the nitrogen pressure detection signal to the control unit.

[0014] The power supply unit, control unit, and communication unit are all located in a chassis near the well on the roadside. The execution unit is located on the inner wall of the well casing. The control unit is used to control the execution unit to rotate 90° forward based on the nitrogen pressure detection signal, thereby driving the protective component to move upward and protrude outside the top of the well casing. At the same time, the control unit sends the nitrogen pressure detection signal to the back-end terminal through the communication unit.

[0015] Based on the above technical solution, the present invention has made the following improvements:

[0016] Furthermore, the inner circumferential array of the well casing is provided with multiple positioning arc blocks, the outer circumferential array of the well cover is provided with multiple positioning arc grooves, each positioning arc block is respectively locked in the corresponding positioning arc groove, the well cover is provided with hook lifting holes, the outer circumferential array of the well casing is provided with multiple reinforcing ribs, and the outer circumference of the well casing is provided with wire threading holes.

[0017] Furthermore, the fixing component includes mounting holes and slots, and there are multiple mounting holes and slots of the same number; each mounting hole is located on the top of the well casing and is located at a corresponding positioning arc block; each slot is located on the periphery of the well cover and is located at a corresponding positioning arc groove; each inner periphery of the well casing at the corresponding mounting hole is provided with a receiving groove; each receiving groove corresponds to the position of each slot; each mounting hole is rotatably provided with a rotating column; and each rotating column at the corresponding receiving groove is provided with a fan-shaped locking block on its column body.

[0018] Furthermore, the gas storage component includes a first snap-fit ​​cone sleeve and a second snap-fit ​​cone sleeve. The first snap-fit ​​cone sleeve is fixedly installed on the bottom surface of the well cover, and the second snap-fit ​​cone sleeve has a fixing plate at its bottom. The inner circumferential wall of the first snap-fit ​​cone sleeve and the outer circumferential wall of the second snap-fit ​​cone sleeve are both in a matching cone shape. After the first snap-fit ​​cone sleeve and the second snap-fit ​​cone sleeve are snapped together, they form a gas storage cavity inside. A rubber pad is provided on the inner circumferential wall of the first snap-fit ​​cone sleeve through an assembly groove. The bottom of the first snap-fit ​​cone sleeve has an array of screw holes, and the edge of the fixing plate has an array of light holes. Each light hole and the corresponding screw hole are threaded with a stud. A mounting bracket is provided at the center of the bottom of the fixing plate.

[0019] Furthermore, an inflation tube is provided at the bottom of the fixed plate, a rubber plug is tightly installed inside the inflation tube, and a sealing cap is threaded onto the bottom end of the inflation tube.

[0020] Furthermore, the protective component includes multiple through holes, each vertically and annularly arranged inside the well casing and located at a corresponding reinforcing rib. A limiting platform is provided on the top inner wall of each through hole, and a rubber sleeve is provided on the hole wall above the limiting platform. A warning post is secured within each through hole, and a sleeve is fitted between the tops of the warning posts. A receiving groove is provided at the top of the well casing, and the sleeve is located within the receiving groove. A flange is provided at the bottom of each warning post, and a sealing plate is provided at the bottom of each through hole. A stop spring is provided between the top wall of each sealing plate and the bottom wall of the corresponding warning post. A through groove is provided through the periphery of the bottom of one of the through holes, and a clamping bracket is provided on the inner wall of the well casing above the groove opening. A fan-shaped clamping plate is rotatably moved in and out of the through groove.

[0021] Furthermore, the power supply unit includes a solar panel and a lithium battery. The solar panel is installed on the top of a chassis near the well on the roadside, and the lithium battery is installed inside the chassis near the well on the roadside.

[0022] Furthermore, the detection unit includes a gas pressure sensor, which is mounted on the center of the bottom of the fixed plate via a mounting bracket, and the detection end of the gas pressure sensor extends into the gas storage chamber; the control unit includes a main controller, which is installed inside a chassis near the well on the roadside; the execution unit includes a servo motor, which is mounted on a card holder, and the fan-shaped card plate is installed on the drive of the servo motor; the communication unit includes an NB-IoT module, a network and a cloud, the NB-IoT module being installed inside a chassis near the well on the roadside, and the network and cloud including a cellular base station and a cloud server; the lithium battery powers the gas pressure sensor, the main controller, the servo motor, and the NB-IoT module, and the gas pressure sensor, the servo motor, the NB-IoT module, the cellular base station, and the cloud server are all electrically connected to the main controller.

[0023] Furthermore, the backend terminal includes a mobile APP, which is powered by the mobile phone battery. The main controller transmits the received nitrogen pressure detection signal to the mobile APP through the NB-IoT module, network, and cloud.

[0024] The beneficial effects of this invention are:

[0025] 1. By combining the manhole cover and gas storage components, nitrogen can be filled into the gas storage components and sealed during use, so that nitrogen is sealed and stored at the bottom of the manhole cover. When the top of the manhole cover is overloaded and the manhole cover is damaged, the nitrogen sealed and stored at the bottom of the manhole cover can leak, so that the nitrogen pressure in the gas storage chamber of the gas storage component decreases, thus determining whether the manhole cover has been cracked and damaged.

[0026] 2. By combining the detection unit, control unit, communication unit and back-end terminal, when the manhole cover cracks and the nitrogen pressure in the gas storage chamber of the gas storage component decreases, the detection unit can send a nitrogen pressure detection signal to the control unit when it detects that the nitrogen pressure in the gas storage chamber has dropped to the set threshold. The control unit then sends the nitrogen pressure detection data to the back-end terminal through the communication unit, so that the back-end terminal can obtain information about the cracked and damaged manhole cover in real time and send personnel to the corresponding site to replace the manhole cover in a timely manner.

[0027] 3. By combining the detection unit, control unit, execution unit, protective component, communication unit and back-end terminal, when the manhole cover breaks and the nitrogen pressure in the gas storage chamber of the gas storage component decreases, when the detection unit detects that the nitrogen pressure in the gas storage chamber has dropped to the set threshold, it can send a nitrogen pressure detection signal to the control unit. At this time, the control unit controls the execution unit to rotate 90° forward according to the received nitrogen pressure detection signal, so as to drive the protective component to move upward and protrude outside the top of the manhole cover, so that the protective component surrounds the manhole opening and prevents pedestrians and vehicles from entering.

[0028] When the back-end terminal receives information about a broken or damaged manhole cover and dispatches personnel to the corresponding site to replace it, the worker manually presses down on the protective component to retract it into the manhole casing. At this time, the worker inputs a 90° reverse command on the back-end terminal, which is then fed back to the control unit via the communication unit. After receiving the command, the control unit controls the execution unit to reverse 90° to lock and stabilize the protective component retracted into the manhole casing, ensuring that the protective component remains contained within the manhole casing. Attached Figure Description

[0029] The present invention can be further illustrated by the non-limiting embodiments given in the accompanying drawings;

[0030] Figure 1 The present invention relates to a structure for a smart municipal road manhole cover. Figure 1 ;

[0031] Figure 2 This is a bottom structural diagram of a smart municipal road manhole cover according to the present invention;

[0032] Figure 3 The present invention relates to a structure for a smart municipal road manhole cover. Figure 2 ;

[0033] Figure 4 This is an exploded view of a smart municipal road manhole cover according to the present invention;

[0034] Figure 5 This is a cross-sectional view of a smart municipal road manhole cover according to the present invention. Figure 1 ;

[0035] Figure 6 This is a cross-sectional view of a smart municipal road manhole cover according to the present invention. Figure 2 ;

[0036] Figure 7 This is a logic block diagram in an embodiment of the present invention.

[0037] The attached diagram is labeled as follows:

[0038] 101. Well casing; 102. Support platform; 103. Reinforcing rib; 104. Cable hole; 105. Positioning arc block; 106. Receiving groove; 201. Well cover; 202. Hook lifting hole; 203. Positioning arc groove; 301. Mounting hole; 302. Rotating column; 303. Fan-shaped locking block; 304. Locking groove; 305. Receiving groove; 401. Interlocking cone sleeve one; 402. Assembly groove; 403. Rubber pad; 404. Interlocking cone sleeve two; 405. Fixing plate; 406. 407. Screw hole; 408. Stud; 409. Gas storage chamber; 410. Inflation pipe; 411. Rubber plug; 412. Sealing cap; 501. Through hole; 502. Limiting platform; 503. Rubber sleeve; 504. Warning post; 505. Sleeve bracket; 506. Flange; 507. Sealing plate; 508. Abutment spring; 509. Through groove; 510. Card holder; 511. Servo motor; 512. Fan-shaped card plate; 601. Mounting bracket; 602. Gas pressure sensor. Detailed Implementation

[0039] like Figures 1 to 7 As shown, a smart municipal road manhole cover includes:

[0040] The well casing 101 has a support platform 102 on the inner wall of its top opening, on which a well cover 201 can be placed. The inner circumference of the well casing 101 is provided with multiple positioning arc blocks 105, and the outer circumference of the well casing 101 is provided with multiple reinforcing ribs 103, which can enhance the strength of the well casing 101. The outer circumference of the well casing 101 is provided with a wire hole 104, through which a wire can be passed.

[0041] The manhole cover 201 has multiple positioning arc grooves 203 arranged in an array on its outer periphery. In use, the manhole cover 201 is fastened onto the support platform 102, and each positioning arc block 105 on the manhole sleeve 101 is respectively locked into the corresponding positioning arc groove 203 on the manhole cover 201 to prevent the manhole cover 201 from rotating inside the manhole sleeve 101. At the same time, it is locked and fixed by a fixing component. The manhole cover 201 is provided with a hook lifting hole 202, and a hook rod can be inserted into the hook lifting hole 202, so that the manhole cover 201 can be lifted and removed from the top opening of the manhole sleeve 101 by using the hook rod.

[0042] The fixing components include mounting holes 301 and slots 304. Multiple mounting holes 301 and slots 304 are provided, and the number is the same. Each mounting hole 301 is located on the top of the well sleeve 101 and is positioned at a corresponding positioning arc block 105. Each slot 304 is located on the periphery of the well cover 201 and is positioned at a corresponding positioning arc groove 203. A receiving groove 305 is provided on the inner periphery of the well sleeve 101 at the corresponding mounting hole 301. Each receiving groove 305 corresponds to each slot 304. A rotating column 302 is rotatably installed within each mounting hole 301. A sector-shaped locking block 303 is provided on the column at the corresponding receiving groove 305; when the well cover 201 is fastened on the support platform 102 and each positioning arc block 105 on the well sleeve 101 is respectively locked in the corresponding positioning arc groove 203 on the well cover 201, the corresponding sector-shaped locking block 303 is rotated by rotating each rotating column 302, causing each sector-shaped locking block 303 to rotate from the receiving groove 305 to be locked in the corresponding locking groove 304, so as to lock and fix the well cover 201 fastened to the top opening of the well sleeve 101 and prevent the well cover 201 from falling off the top opening of the well sleeve 101;

[0043] See Figures 4 to 6The gas storage component is installed on the bottom surface of the well cover 201. The gas storage component includes a first snap-fit ​​cone sleeve 401 and a second snap-fit ​​cone sleeve 404. The first snap-fit ​​cone sleeve 401 is fixedly installed on the bottom surface of the well cover 201. A fixing plate 405 is provided at the bottom of the second snap-fit ​​cone sleeve 404, sealing the bottom of the second snap-fit ​​cone sleeve 404. The inner circumferential wall of the first snap-fit ​​cone sleeve 401 and the outer circumferential wall of the second snap-fit ​​cone sleeve 404 are both in a matching cone shape. After the first snap-fit ​​cone sleeve 401 and the second snap-fit ​​cone sleeve 404 are engaged, they form a gas storage chamber 409. A rubber pad 403 is provided on the inner circumferential wall of the first snap-fit ​​cone sleeve 401 through an assembly groove 402. The rubber gasket 403 enhances the sealing between the conical surfaces of the snap-fit ​​cone sleeve 1 401 and snap-fit ​​cone sleeve 2 404 after they are snapped together. The bottom of snap-fit ​​cone sleeve 1 401 is provided with multiple screw holes 407, and the edge of the fixing plate 405 is provided with multiple light holes 406. Each light hole 406 and the corresponding screw hole 407 are threaded with a stud 408. The stud 408, light holes 406, and screw holes 407 can be combined to assemble snap-fit ​​cone sleeve 1 401 and snap-fit ​​cone sleeve 2 404. The bottom center of the fixing plate 405 is provided with a mounting bracket 601, which can be used to install a gas pressure sensor 602.

[0044] Before the well cover 201 is fastened to the top opening of the well casing 101, the conical part of the second snap-fit ​​cone sleeve 404 is fastened into the first snap-fit ​​cone sleeve 401. Then, each stud 408 is simultaneously screwed into the corresponding light hole 406 and screw hole 407, so that the conical wall of the second snap-fit ​​cone sleeve 404 is tightly attached to the rubber pad 403, so that the first snap-fit ​​cone sleeve 401 and the second snap-fit ​​cone sleeve 404 are snapped together, so that the inside of the first snap-fit ​​cone sleeve 401 and the second snap-fit ​​cone sleeve 404 forms a sealed gas storage chamber 409 after they are snapped together.

[0045] Furthermore, an inflation tube 410 is provided at the bottom of the fixed plate 405, and a rubber plug 411 is tightly installed inside the inflation tube 410. The rubber plug 411 seals the inside of the inflation tube 410. A sealing cap 412 is threaded onto the bottom end of the inflation tube 410, and the sealing cap 412 seals the end of the inflation tube 410.

[0046] When the first snap-fit ​​cone sleeve 401 and the second snap-fit ​​cone sleeve 404 are snapped together to form a sealed gas storage chamber 409, the end of the air filling gun tube is inserted into the gas storage chamber 409 through the rubber plug 411. Then, nitrogen gas with sufficient pressure is filled into the gas storage chamber 409. After that, the air filling gun tube is pulled out, and the sealing cap 412 is screwed into the bottom end of the air filling tube 410 so that the nitrogen gas is sealed and stored in the gas storage chamber 409. Finally, the well cover 201 is fastened to the top opening of the well sleeve 101.

[0047] See Figures 3 to 6The protective components are arranged in multiple vertical circular arrays inside the well casing 101. Each protective component can move up and down synchronously inside the well casing 101.

[0048] The protective component includes multiple through holes 501, all vertically and annularly arranged inside the well casing 101 and located at corresponding reinforcing ribs 103. Each through hole 501 has a limiting platform 502 on its top inner wall, which limits the warning post 504, preventing it from completely exiting the through hole 501. Each through hole 501 has a rubber sleeve 503 on its hole wall above the limiting platform 502, and a warning post 504 is secured within each through hole 501. The rubber sleeve 503 enhances the seal between the warning post 504 and the upper end of the through hole 501, preventing rainwater from entering the through hole 501. A sleeve 505 is fitted around the top of each warning post 504, allowing them to be assembled together. The top of the well casing 101 has a receiving groove 106, within which the sleeve 505 is located. The slot 106 can accommodate the sleeve 505, preventing it from exceeding the top of the well casing 101; each warning post 504 has a flange 506 at its bottom, and each through hole 501 has a sealing plate 507 at its bottom. A retaining spring 508 is installed between the top wall of each sealing plate 507 and the bottom wall of the corresponding warning post 504. The retaining spring 508 can push the warning post 504 upwards, causing it to protrude beyond the top of the well casing 101, thus prompting each warning post 504 to move upwards. 4. The sleeve 505 surrounds the manhole cover 201; a through groove 509 is provided through the bottom periphery of one of the through holes 501, and a bracket 510 is provided on the inner wall of the manhole sleeve 101 above the opening of the through groove 509. An execution unit can be installed on the bracket 510. A fan-shaped card plate 512 is provided in the through groove 509 so that it can be rotatably moved in and out. The fan-shaped card plate 512 cooperates with the flange 506 to limit and stabilize the warning post 504.

[0049] See Figures 1 to 7 The system includes a power supply unit, a detection unit, a control unit, an execution unit, a communication unit, and a back-end terminal. The power supply unit provides power to the detection unit, control unit, execution unit, and communication unit, while the back-end terminal is powered by an independent back-end power supply. The detection unit, execution unit, and communication unit are all electrically connected to the control unit.

[0050] The power supply unit includes solar panels and lithium batteries. The solar panels are installed on the top of a chassis near the well, while the lithium batteries are installed inside the chassis. The solar panels are 20W 12V monocrystalline silicon, which are highly efficient and provide ample power. The lithium batteries are 12V 10Ah (with BMS), which have large capacity, are safe, and have a long lifespan. The solar panels absorb light energy and convert it into electrical energy, which is stored in the lithium batteries. The electrical energy stored in the lithium batteries powers the detection unit, control unit, execution unit, and communication unit.

[0051] The detection unit is installed inside the gas storage component. The detection unit includes a gas pressure sensor 602, which is a Bosch BMP388, a digital, low-power, and high-precision sensor. The gas pressure sensor 602 is installed at the bottom center of the fixed plate 405 via a mounting bracket 601, and the detection end of the gas pressure sensor 602 extends into the gas storage chamber 409. The gas pressure sensor 602 is used to detect the nitrogen pressure in the gas storage chamber 409 and feed back the nitrogen pressure detection signal to the control unit.

[0052] The power supply unit, control unit, and communication unit are all located in a chassis near the well on the roadside. The control unit includes a main controller, which is an STM32L072, characterized by its extremely low power consumption, comprehensive interfaces, and suitability for industrial applications. The main controller is located inside the chassis near the well. The main controller receives the nitrogen pressure detection signal from the gas pressure sensor 602 and, based on the received nitrogen pressure detection signal, controls the actuator to rotate 90° forward to drive the protective component to move upward and protrude from the top of the well casing 101.

[0053] The execution unit is installed on the inner wall of the well casing 101. The execution unit includes a servo motor 511. The servo motor 511 is a Savox SW-0230MG model, which is waterproof, has metal teeth, and sufficient torque. The servo motor 511 is installed on the bracket 510, and a fan-shaped bracket 512 is installed on the drive of the servo motor 511.

[0054] When the main controller receives the nitrogen pressure detection signal detected by the gas pressure sensor 602, it controls the drive shaft of the servo motor 511 to rotate 90° forward based on the received nitrogen pressure detection signal. When the drive shaft of the servo motor 511 rotates 90° forward, it can drive the sector plate 512 to rotate 90° forward, so that the sector plate 512 moves away from the top wall of the flange 506 and the through groove 509. At this time, the compressed abutment spring 508 rebounds and pushes the warning post 504 to move upward, so that the warning post 504 moves upward and protrudes outside the top of the well sleeve 101, causing the warning posts 504 and the sleeve frame 505 to surround the well cover 201.

[0055] The communication unit includes an NB-IoT module, a network, and a cloud. The NB-IoT module is installed inside a chassis near the well on the roadside. The network and cloud include a cellular base station and a cloud server. The lithium battery powers the gas pressure sensor 602, the main controller, the servo motor 511, and the NB-IoT module. The gas pressure sensor 602, the servo motor 511, the NB-IoT module, the cellular base station, and the cloud server are all electrically connected to the main controller.

[0056] The back-end terminal includes a mobile APP, which is powered by the phone's battery. The main controller transmits the received nitrogen pressure detection signal to the mobile APP through the NB-IoT module, network, and cloud.

[0057] When the main controller receives the nitrogen pressure detection signal detected by the gas pressure sensor 602, and controls the drive shaft of the servo motor 511 to rotate forward 90° according to the received nitrogen pressure detection signal, the main controller can also send the nitrogen pressure detection signal to the cellular base station through the NB-IoT module, and then send it to the mobile APP through the cloud server, so that the mobile APP can obtain the information of the cracked and damaged manhole cover 201 in real time, and dispatch personnel to the corresponding site to replace the manhole cover 201 in a timely manner.

[0058] In use, when the top of the manhole cover 201 is subjected to excessive pressure and cracks, the nitrogen gas sealed and stored in the gas storage chamber 409 may leak, causing the nitrogen pressure in the gas storage chamber 409 to decrease, thus determining whether the manhole cover 201 has been cracked and damaged. When the manhole cover 201 cracks and the nitrogen pressure in the gas storage chamber 409 decreases, the gas pressure sensor 602 detects that the nitrogen pressure in the gas storage chamber 409 has dropped to a set threshold and sends a nitrogen pressure detection signal to the main controller. The main controller then sends the nitrogen pressure detection data to the cellular base station through the NB-IoT module, and then to the mobile APP via the cloud server, so that the mobile APP can obtain the information on the cracking and damage of the manhole cover 201 in real time, and dispatch personnel to the corresponding site to replace the manhole cover 201 in a timely manner.

[0059] Meanwhile, when the gas pressure sensor 602 detects that the nitrogen pressure in the gas storage chamber 409 has dropped to the set threshold and sends a nitrogen pressure detection signal to the main controller, the main controller controls the servo motor 511 drive shaft to rotate 90° forward based on the nitrogen pressure detection signal received from the gas pressure sensor 602. When the servo motor 511 drive shaft rotates 90° forward, it can drive the fan-shaped plate 512 to rotate 90° forward, causing the fan-shaped plate 512 to move away from the top wall of the flange 506 and the through groove 509. At this time, the compressed abutment spring 508 rebounds and pushes the warning post 504 upward, causing the warning post 504 to rise and protrude outside the top of the well cover 101, so that the warning posts 504 and the sleeve frame 505 surround the well cover 201 to prevent pedestrians and vehicles from entering and causing danger.

[0060] Finally, when the mobile APP receives information about the cracked and damaged manhole cover 201 and dispatches personnel to the corresponding site to replace the manhole cover 201, the worker can manually press down the sleeve 505 to retract the warning post 504 into the through hole 501, causing the abutment spring 508 to contract. At this time, the worker can input a 90° reverse rotation command to the servo motor 511 into the mobile APP. The command is transmitted back to the main controller via the cloud server, cellular base station, and NB-IoT module. When the main controller receives the 90° reverse rotation command from the servo motor 511, it controls the drive shaft of the servo motor 511 to reverse 90°, thereby driving the fan-shaped clamping plate 512 to reverse 90°, so that it is locked in the through groove 509 and abuts against the top wall of the flange 506, thereby locking and stabilizing the warning post 504 retracted into the through hole 501, preventing the contracted abutment spring 508 from rebounding, and ultimately keeping the warning post 504 retracted into the through hole 501 of the manhole sleeve 101.

[0061] The present invention has been described in detail above. The specific embodiments are provided only to help understand the method and core ideas of the present invention. It should be noted that those skilled in the art can make various improvements and modifications to the present invention without departing from its principles, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims

1. A smart municipal road manhole cover, characterized in that: Include: Well cover (101), the well cover (101) top wall is provided with a rest table (102); Well cover (201), the well cover (201) is buckled on the rest table (102) and locked and fixed by a fixing member; Gas storage member, the gas storage member is arranged on the bottom surface of the well cover (201), and the gas storage member is used for filling nitrogen and sealing storage; Protection member, the protection member is arranged in multiple and vertically annular array in the inside of the well cover (101), and each protection member can be synchronously moved up / down in the inside of the well cover (101); Power supply unit, detection unit, control unit, execution unit, communication unit and background terminal, the power supply unit supplies power to the detection unit, the control unit, the execution unit, the communication unit, and the background terminal is powered by a background independent power supply; The detection unit, the execution unit, the communication unit are electrically connected with the control unit; The detection unit is arranged in the gas storage member, which is used for detecting the nitrogen pressure in the gas storage member and feeding back the nitrogen pressure detection signal to the control unit; The power supply unit, the control unit and the communication unit are arranged at the case near the roadside of the well, and the execution unit is arranged on the inner wall of the well cover (101), the control unit is used for controlling the execution unit to realize the forward rotation of 90° to drive the protection member to move out of the top of the well cover (101) according to the nitrogen pressure detection signal; meanwhile, the control unit sends the nitrogen pressure detection signal to the background terminal through the communication unit.

2. The intelligent municipal road cover according to claim 1, characterized in that: A plurality of positioning arc blocks (105) are arranged in the inner periphery of the well cover (101), a plurality of positioning arc grooves (203) are arranged in the outer periphery of the well cover (201), each positioning arc block (105) is clamped in the corresponding positioning arc groove (203), a hooking hole (202) is arranged on the well cover (201), a plurality of reinforcing ribs (103) are arranged in the outer periphery of the well cover (101), and a threading hole (104) is arranged in the outer periphery of the well cover (101).

3. The intelligent municipal road cover according to claim 2, characterized in that: The fixing member includes a mounting hole (301) and a clamping groove (304), the mounting hole (301) and the clamping groove (304) are arranged in multiple and the same number; each mounting hole (301) is arranged at the top of the well cover (101) and located at the corresponding positioning arc block (105), each clamping groove (304) is arranged on the side of the well cover (201) and located at the corresponding positioning arc groove (203), the inner periphery of the well cover (101) located at the corresponding mounting hole (301) is provided with a containing groove (305), each containing groove (305) corresponds to each clamping groove (304), each mounting hole (301) is rotatably provided with a rotating column (302), and a fan-shaped clamping block (303) is arranged on the column body of each rotating column (302) located at the corresponding containing groove (305).

4. The intelligent municipal road cover according to claim 2, characterized in that: The gas storage member includes a snap-fit sleeve one (401) and a snap-fit sleeve two (404), the snap-fit sleeve one (401) is fixedly arranged on the bottom surface of the well lid (201), the snap-fit sleeve two (404) is provided with a fixed disc (405) at the bottom, the inner peripheral wall of the snap-fit sleeve one (401) and the outer peripheral wall of the snap-fit sleeve two (404) are both in a matched conical shape, the snap-fit sleeve one (401) and the snap-fit sleeve two (404) are buckled to form a gas storage cavity (409) inside, the rubber pad (403) is arranged on the inner peripheral wall of the snap-fit sleeve one (401) through the assembly groove (402), a plurality of screw holes (407) are arranged in an array at the bottom of the snap-fit sleeve one (401), a plurality of light holes (406) are arranged in an array at the edge of the fixed disc (405), a threaded stud (408) is screwed into each of the light hole (406) and the corresponding screw hole (407), and the mounting frame (601) is arranged at the center of the bottom of the fixed disc (405).

5. The intelligent municipal road cover according to claim 4, characterized in that: The fixed disc (405) is provided with an inflation pipe (410) at the bottom, the inflation pipe (410) is tightly provided with a rubber plug (411) inside, and the inflation pipe (410) is threadedly provided with a sealing cover (412) at the bottom end.

6. The intelligent municipal road cover according to claim 4, characterized in that: The protection member includes a through hole (501), a plurality of through holes (501) are arranged and vertically arranged in an annular shape inside the well sleeve (101), and are respectively located at the corresponding reinforcing ribs (103), a limiting table (502) is arranged on the inner wall of the top of each through hole (501), a rubber sleeve (503) is arranged on the hole wall above the limiting table (502) of each through hole (501), a warning column (504) is clamped in each through hole (501), a sleeve frame (505) is commonly sleeved between the top portions of the warning columns (504), the well sleeve (101) is provided with a containing groove (106) at the top, the sleeve frame (505) is located in the containing groove (106), each warning column (504) is provided with a flange (506) at the bottom, each through hole (501) is provided with a sealing plate (507) at the bottom, a pressing spring (508) is arranged between the top wall of each sealing plate (507) and the bottom wall of the corresponding warning column (504), one of the through holes (501) is provided with a through groove (509) penetrating through the circumferential side at the bottom, a clamping frame (510) is arranged on the inner wall of the well sleeve (101) above the slot opening of the through groove (509), and a fan-shaped clamping plate (512) is rotatably arranged in / out in the through groove (509).

7. The intelligent municipal road cover according to claim 4, characterized in that: The power supply unit includes a solar cell panel and a lithium storage battery, the solar cell panel is arranged on the top of the cabinet near the well, and the lithium storage battery is arranged in the cabinet near the well.

8. The intelligent municipal road cover according to claim 7, characterized in that: The detection unit includes a gas pressure sensor (602) which is arranged at the bottom center of the fixed disc (405) through a mounting bracket (601), and the detection end of the gas pressure sensor (602) extends into the gas storage cavity (409); the control unit includes a main controller which is arranged in the cabinet at the roadside near the well; the execution unit includes a steering engine (511) which is arranged on a clamping frame (510), and the driving end of the steering engine (511) is provided with the fan-shaped clamping plate (512); the communication unit includes an NB-loT module, a network and a cloud, the NB-loT module is arranged in the cabinet at the roadside near the well, and the network and the cloud include a cellular base station and a cloud server; the lithium storage battery supplies power for the gas pressure sensor (602), the main controller, the steering engine (511) and the NB-loT module, and the gas pressure sensor (602), the steering engine (511), the NB-loT module, the cellular base station and the cloud server are electrically connected with the main controller. 9.The smart municipal road cover of claim 8, wherein: The background terminal includes a mobile phone APP which is powered by a mobile phone battery, and the main controller sends the received nitrogen pressure detection signal to the mobile phone APP through the NB-loT module, the network and the cloud.

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