Multifunctional linkage early warning intelligent well lid

By integrating an I-type piezoelectric structure and solar power into the manhole cover, and combining it with mechanical status and environmental parameter monitoring, a multi-functional linkage early warning system for the manhole cover has been achieved. This solves the shortcomings of the existing manhole cover management methods, improves monitoring accuracy and safety, reduces maintenance costs, and enables linkage early warning with the traffic system.

CN224106474UActive Publication Date: 2026-04-10GUANGXI ANRUI INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-13
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The current management of manhole covers relies on manual inspections, with limited monitoring parameters, passive alarm methods, and a lack of proactive on-site warnings. Traditional power supply methods are costly to maintain, cannot adapt to harsh environments, and cannot be integrated with urban traffic navigation, posing safety hazards.

Method used

Design a multi-functional, interconnected, and early warning smart manhole cover. It adopts an I-shaped piezoelectric structure and solar power, combines mechanical status and environmental parameter fusion monitoring, is equipped with alarm lights for on-site active warning, and is linked with the Internet of Things and cloud platform to realize remote alarm and navigation system early warning.

Benefits of technology

It improves the accuracy and comprehensiveness of manhole cover anomaly detection, reduces maintenance costs, enhances safety and operational stability, realizes linkage early warning between manhole covers and traffic systems, and improves alarm efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a multifunctional linkage early warning intelligent well lid, which belongs to the technical field of intelligent well lids and comprises a well lid base, a well lid body is arranged in the well lid base, a piezoelectric mounting groove is arranged between the well lid body and the well lid base, and an I-shaped piezoelectric structure is arranged in the piezoelectric mounting groove. An alarm lamp mounting groove is formed in the back of the well lid, an alarm lamp is arranged in the alarm lamp mounting groove, multiple sets of I-shaped piezoelectric structures are distributed in the piezoelectric mounting groove in a surrounding mode at equal intervals, the mechanical state of the well lid can be comprehensively monitored, the alarm lamp mounting groove is formed in the back of the well lid, the alarm lamp is arranged in the well lid, and when the well lid is abnormal, the alarm lamp is arranged in the alarm lamp mounting groove. The warning lamp can perform on-site active warning to remind pedestrians or vehicles to pay attention.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of intelligent well lid, specifically, a multifunctional linkage early warning intelligent well lid. BACKGROUND

[0002] With the rapid development of city, the intelligentization of city infrastructure becomes an inevitable trend, and the intelligent management of well lid, as an important part of city infrastructure, is very important.

[0003] The traditional well lid management mode mainly relies on artificial inspection, and the monitoring parameters are relatively single, most of the technologies only monitor the mechanical state, cannot fuse and analyze the environmental parameters, and it is difficult to accurately judge the abnormal conditions of the well lid. In some special environments, only relying on mechanical state monitoring cannot timely find the well lid problems caused by environmental factors. On the other hand, the alarm mode is passive, depends on cloud platform pushing, lacks active warning means on site, when the well lid appears abnormal, pedestrians or vehicles cannot know in time, and there is a great safety hazard. At the same time, the existing intelligent well lid system is isolated, does not form linkage with city traffic navigation, cannot realize early warning dynamic response, and cannot meet the demand of intelligent city on well lid management. In addition, the traditional power supply mode has high maintenance cost, and cannot adapt to bad environment, so that the well lid cannot work normally in some special conditions, and affects the play of its function. How to invent a multifunctional linkage early warning intelligent well lid to improve these problems has become a problem to be solved by the technical personnel in the field. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a multifunctional linkage early warning intelligent well lid, which aims at improving the problems of single monitoring parameter of artificial inspection, passive alarm mode and high maintenance cost of traditional power supply mode.

[0005] The utility model is realized as follows: a multifunctional linkage early warning intelligent well lid, comprising

[0006] The well lid base is internally provided with a well lid, a piezoelectric installation groove is arranged between the well lid and the well lid base, a work type piezoelectric structure is arranged in the piezoelectric installation groove, a warning light installation groove is arranged at the back of the well lid, and a warning light is arranged in the warning light installation groove.

[0007] The inner wall of the well lid base is provided with a stepped inner edge matched with the well lid, and the outer wall of the well lid is embedded on the stepped inner edge of the well lid base.

[0008] The work type piezoelectric structure is divided into multiple groups and is arranged in the piezoelectric installation groove.

[0009] The whole of the I-shaped piezoelectric structure is an I-shaped, the top of the I-shaped piezoelectric structure is an isosceles trapezoid, the top of the I-shaped piezoelectric structure is above the manhole cover and the manhole cover base, and the bottom of the I-shaped piezoelectric structure is at the bottom between the manhole cover base and the manhole cover.

[0010] A piezoelectric power generation structure is arranged below the bottom of the I-shaped piezoelectric structure, the bottom surface of the piezoelectric power generation structure is fixedly arranged at an internal step of the manhole cover base, the manhole cover base is concave at the piezoelectric power generation structure, the concave part is a rectangular groove, and the bottom of the I-shaped piezoelectric structure slides up and down in the groove.

[0011] Reset springs are arranged at the two sides of the piezoelectric power generation structure, the reset springs are in the groove, the bottom of the reset springs is fixedly installed at the bottom of the groove, and the top of the reset springs abuts against the bottom of the I-shaped piezoelectric structure.

[0012] Limiting rubbers are arranged at the two sides of the bottom of the I-shaped top plate of the I-shaped piezoelectric structure, the limiting rubbers are arranged correspondingly at the top of the manhole cover base and the manhole cover, bumping rubbers are arranged at the two sides of the I-shaped bottom plate of the I-shaped piezoelectric structure, and the bumping rubbers are arranged at the groove side walls of the manhole cover base.

[0013] Drainage holes are arranged at the two sides of the groove on the internal step of the manhole cover base.

[0014] A plurality of alarm lamps are arranged equidistantly around the alarm lamp mounting groove, a waterproof light-transmitting plate for the alarm lamp is arranged above the alarm lamp, and the waterproof light-transmitting plate for the alarm lamp is sealingly embedded and mounted above the alarm lamp mounting groove.

[0015] A solar panel is embedded at the back of the manhole cover, a waterproof light-transmitting plate for the solar panel is arranged above the solar panel, and the waterproof light-transmitting plate for the solar panel is sealingly embedded and mounted on the surface of the manhole cover.

[0016] In a preferred technical scheme of the utility model,

[0017] The utility model discloses a multifunctional linkage early warning intelligent manhole cover, which has the advantages that an alarm lamp mounting groove is arranged at the back of the manhole cover, and an alarm lamp is arranged in the alarm lamp mounting groove, so that the alarm lamp can actively warn on the spot when the manhole cover is abnormal, reminding pedestrians or vehicles to pay attention, the problem that the alarm mode of the prior art is passive and lacks active warning on the spot is solved, and the alarm efficiency and safety are improved.

[0018] The back of the well lid is embedded with a solar panel, and a solar energy waterproof light-transmitting plate is arranged above the solar panel, power is supplied by using solar energy, dependence on traditional single power supply mode is reduced, maintenance cost is reduced, meanwhile, the well lid can adapt to harsh environment, working stability and reliability of the well lid are improved, and the problem of unreliable energy supply in the prior art is solved.

[0019] By equally distributing multiple groups of I-shaped piezoelectric structures around in the piezoelectric mounting groove, the mechanical state of the well lid can be comprehensively monitored, meanwhile, in combination with monitoring of environmental parameters (although the monitoring mode of the environmental parameters is not specifically described, it can be inferred that the relevant function is provided from the multi-dimensional abnormality determination idea), fusion analysis of the mechanical state and the environmental parameters is realized, accuracy and comprehensiveness of abnormality determination are improved, and the deficiency of single monitoring dimension in the prior art is made up. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of the drawings.

[0021] Figure 1 is a side structure schematic view provided by the embodiments of the present application;

[0022] Figure 2 is a cross-sectional structure schematic view provided by the embodiments of the present application;

[0023] Figure 3 is a well lid structure schematic view provided by the embodiments of the present application;

[0024] Figure 4 is a piezoelectric mounting groove structure schematic view provided by the embodiments of the present application;

[0025] Figure 5 is Figure 4 is an enlarged view of part A in the middle;

[0026] Figure 6 is a circuit block diagram structure schematic view provided by the embodiments of the present application;

[0027] Figure 7 is a whole structure schematic view of the main control box provided by the embodiments of the present application.

[0028] In the figure: 1 - well lid base; 2 - piezoelectric installation groove; 201 - I-shaped piezoelectric structure; 202 - limit rubber; 203 - anti-collision rubber; 204 - drainage hole; 205 - reset spring; 206 - piezoelectric power generation structure; 3 - alarm lamp installation groove; 301 - alarm lamp; 302 - alarm lamp waterproof light transmission plate; 303 - alarm lamp connecting wire; 4 - well lid; 5 - solar energy waterproof light transmission plate; 6 - solar panel; 7 - main control box. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] Please refer to Figure 1 and Figure 2 , the present application provides a technical scheme: a multifunctional linkage early warning intelligent well lid, comprising

[0031] The well lid base 1 is internally provided with the well lid 4, the piezoelectric installation groove 2 is arranged between the well lid 4 and the well lid base 1, the I-shaped piezoelectric structure 201 is arranged in the piezoelectric installation groove 2, the alarm lamp installation groove 3 is arranged at the back of the well lid 4, and the alarm lamp 301 is arranged in the alarm lamp installation groove 3. By distributing multiple groups of I-shaped piezoelectric structures 201 in the piezoelectric installation groove 2, the mechanical state of the well lid 4 can be comprehensively monitored. The alarm lamp installation groove 3 is arranged at the back of the well lid 4, and the alarm lamp 301 is arranged in the alarm lamp installation groove 3. When the well lid 4 is abnormal, the alarm lamp 301 can actively warn on site, reminding pedestrians or vehicles to pay attention.

[0032] Please refer to Figure 3 and Figure 4 The inner wall of the well lid base 1 is provided with a stepped inner edge matched with the well lid 4, and the outer wall of the well lid 4 is embedded on the stepped inner edge of the well lid base 1. The well lid 4 is stably supported by the stepped edge in the well lid base 1.

[0033] The I-shaped piezoelectric structure 201 is evenly distributed in the piezoelectric mounting groove 2, and multiple groups of the I-shaped piezoelectric structure 201 can comprehensively monitor the mechanical state of the manhole cover 4 and detect the inclination of multiple positions. The whole I-shaped piezoelectric structure 201 is in the shape of an I, and the top of the I-shaped piezoelectric structure 201 is in the shape of an isosceles trapezoid. The top of the I-shaped piezoelectric structure 201 is above the manhole cover 4 and the manhole base 1, and the bottom of the I-shaped piezoelectric structure 201 is at the bottom between the manhole base 1 and the manhole cover 4.

[0034] Please refer to Figure 5 and Figure 6 The bottom of the I-shaped piezoelectric structure 201 is fixedly provided with a piezoelectric power generation structure 206, the bottom surface of the piezoelectric power generation structure 206 is arranged at the stepped position inside the manhole base 1, the manhole base 1 is recessed at the piezoelectric power generation structure 206, the recess is a rectangular groove, and the bottom of the I-shaped piezoelectric structure 201 slides up and down in the groove. The two sides of the piezoelectric power generation structure 206 are respectively provided with reset springs 205, the reset springs 205 are located in the groove, the bottom of the reset spring 205 is fixedly installed at the bottom of the groove, the top of the reset spring 205 abuts against the bottom of the I-shaped piezoelectric structure 201, the I-shaped piezoelectric structure 201 is pressed to contact the piezoelectric power generation structure 206, the piezoelectric power generation structure 206 detects, and after the pressing is finished, the reset spring 205 pushes the I-shaped piezoelectric structure 201 to rise away from the piezoelectric power generation structure 206. If the piezoelectric power generation structure 206 is always pressed and folded abnormally, an alarm is given, and the top of the I-shaped piezoelectric structure 201 is higher than the upper surface of the manhole cover 4.

[0035] The anti-collision rubber 203 is used to buffer the acting force between the I-shaped piezoelectric structure 201 and the manhole base 1.

[0036] The bottom of the I-shaped piezoelectric structure 201 is below the manhole cover 4, which is used to limit the displacement space of the I-shaped piezoelectric structure 201, thereby ensuring the stability of the piezoelectric power generation structure 206. At the same time, the lower part of the I-shaped piezoelectric structure 201 is away from the manhole cover 4 by a distance, which is used to increase the elastic vibration displacement range and ensure the operation of the reset spring 205.

[0037] The I-shaped piezoelectric structure 201 can be divided into eight symmetrical regions, each region including two groups of limiting rubbers 202 for supporting the I-shaped piezoelectric structure 201, ensuring that the whole piezoelectric structure 2 has a certain elasticity, and two groups of reset springs 205 for displacement recovery of the I-shaped piezoelectric structure 201. The limiting rubber 202, the reset spring 205 and the piezoelectric power generation structure 206 of the I-shaped piezoelectric structure 201 are all waterproofed and are provided with drainage holes 204.

[0038] At the same time, the bottom of the well lid 4 is provided with a main control box 7, the main control box 7 is built-in battery and electrically connected with the I-shaped piezoelectric structure 201, the piezoelectric power generation structure 206 can be directly connected with the built-in battery of the main control box 7, which is beneficial to the storage of electric energy.

[0039] The I-shaped piezoelectric structure 201 is located at the bottom of the I-shaped top plate and provided with a limiting rubber 202 on both sides, the limiting rubber 202 is correspondingly arranged on the top of the well lid base 1 and the well lid 4, the I-shaped piezoelectric structure 201 is located at both sides of the I-shaped bottom plate and provided with a bumper rubber 203, the bumper rubber 203 is arranged on the groove side wall of the well lid base 1 respectively. The groove on the step inside the well lid base 1 is provided with a drainage hole 204 on both sides.

[0040] Please refer to Figures 3 to 7 , the alarm lamp 301 is equally divided and surrounded by a plurality of alarm lamp installation grooves 3, the alarm lamp 301 is provided with an alarm lamp waterproof light transmission plate 302 above, the alarm lamp waterproof light transmission plate 302 is sealed and embedded in the upper part of the alarm lamp installation groove 3. The back of the well lid 4 is embedded with a solar panel 6, the solar panel 6 is provided with a solar waterproof light transmission plate 5 above, the solar waterproof light transmission plate 5 is sealed and embedded on the surface of the well lid 4, the alarm lamp 301, the solar waterproof light transmission plate 5, the main control box 7 and the piezoelectric power generation structure 206 are connected according to the control needs, the alarm lamp 301 is installed in the alarm lamp installation groove 3 in a ring shape, embedded installation is adopted, and the alarm lamp waterproof light transmission plate 302 is used for packaging, which plays a role of waterproof and light penetration. The alarm lamp 301 is connected in series through the alarm lamp connecting wire 303, and synchronous flickering can be realized.

[0041] The main control box 7 is installed on the back of the well lid, and is fixed by screws. The main control box 7 is made of waterproof and moisture-proof material. The main control box 7 includes an STM32 series core processing chip, an Internet of Things communication module, a battery pack, an MPPT solar controller, a positioning module, a voltage reduction module, an ultrasonic sensor, a temperature and humidity sensor, an inclination sensor and a combustible gas sensor. Based on the adaptive frequency hopping technology of LoraWAN protocol stack, the anti-interference ability is improved, and the GNSS positioning system realizes positioning; a composite three-proofing (anti-vibration, waterproof and anti-corrosion) design is adopted, an inclination sensor, an ultrasonic water level detector, a vibration sensor and a combustible gas detection module are integrated, and multi-parameter synchronous acquisition is supported; the solar panel and the piezoelectric power generation module work cooperatively, prolonging the battery use time and the battery life.

[0042] The battery relies on piezoelectric power generation and solar power generation "solar + piezoelectric power generation" dual-mode power supply to ensure continuous operation in extreme environments; the piezoelectric power generation structure is directly connected with the battery charging port, the solar panel is connected with the MPPT solar controller, and the charging and discharging efficiency is optimized through the MPPT solar controller; when the tilt sensor, ultrasonic water level detector, vibration sensor and combustible gas detection module collect multiple parameters synchronously, the main control chip processes the collected data and makes decisions, and executes the pre-designed instructions, and transmits the data to the cloud platform through the Internet of Things communication module to realize real-time monitoring; when abnormal data is monitored, the annular LED on the well lid flashes warning, the cloud platform generates a dangerous alarm data, and the navigation user is pushed to the early warning; the cloud platform connects the navigation system through the API of the navigation system.

[0043] The intelligent well lid device can monitor the environmental data under the well lid and monitor whether the state of the well lid itself is abnormal, such as tilting, damage, etc.; the well lid has a positioning function, which is accurate to which street and which road, and the collected data is processed by the STM32 core processor chip and transmitted to the cloud platform through the Internet of Things communication technology, the cloud platform can view the data in real time, and can accurately locate the position of the well lid. The well lid also has the functions of piezoelectric power generation and solar power generation, which can ensure that the battery can maintain an electric state. When the well lid is abnormal, for example, the well lid is loose, the LED warning light on the well lid will enter a flashing state, reminding pedestrians or vehicles around the well lid that the well lid is dangerous, and avoiding in time, the intelligent well lid device will also send data to the cloud platform, and the monitoring personnel can know the message in time, and send maintenance personnel to handle the danger in time, and the cloud platform can automatically send the information of the position of the dangerous well lid to the navigation system, if the car near the dangerous well lid uses navigation software to drive into the range of 200 meters of the dangerous well lid, the car driver can avoid the dangerous well lid in time, so as to realize the navigation linkage alarm.

[0044] Working principle: when the well lid 4 is subjected to external force, such as vehicle rolling, impact, etc., the work type piezoelectric structure 201 will generate a downward displacement force, which will be transmitted to the entire work type piezoelectric structure 201, so that the work type piezoelectric structure 201 is extruded downward. Because the work type piezoelectric structure 201 is equally distributed in the piezoelectric installation groove 2, multiple groups are arranged around, so the mechanical state change of the well lid 4 can be monitored from multiple angles. When the work type piezoelectric structure 201 produces downward displacement, an electric signal is generated, and by analyzing these electric signals, it can be judged whether the well lid 4 is abnormal, such as displacement, tilting, vibration, etc.

[0045] When the abnormality of the well lid 4 is judged through the monitoring analysis of the mechanical state and the environmental parameters, the alarm lamp 301 arranged in the alarm lamp mounting groove 3 will be lighted, and the on-site active warning is carried out. Meanwhile, the alarm lamp 301 is connected with the related system (such as a cloud platform, a traffic management system and the like), and the alarm information can be timely pushed to the related departments or personnel, and the remote alarm is realized.

[0046] The solar panel 6 embedded in the back of the well lid 4 can convert the solar energy into the electric energy under the light condition, and provides the electric power support for various components (such as the I-shaped piezoelectric structure 201, the alarm lamp 301 and the like) of the intelligent well lid. The solar energy waterproof light-transmitting plate 5 can protect the solar panel 6, so that the solar panel 6 can still work normally under the harsh environment, and the reliability of the energy supply is ensured.

[0047] The preferred embodiments of the utility model are described above only, and are not used for limiting the utility model, for the technical personnel in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A multi-functional, linkage-based early warning smart manhole cover, characterized in that, Including A manhole cover base, inside which there is a manhole cover. There is a piezoelectric installation groove between the manhole cover and the manhole cover base. Inside the piezoelectric installation groove, there is an I-shaped piezoelectric structure. On the back of the manhole cover, there is an alarm lamp installation groove, and inside the alarm lamp installation groove, there is an alarm lamp.

2. The intelligent manhole cover with multi-functional linkage early warning as described in claim 1, characterized in that: The inner wall of the manhole cover base has a stepped inner edge that matches the manhole cover, and the outer wall of the manhole cover is embedded on the stepped inner edge of the manhole cover base.

3. The intelligent manhole cover with multi-functional linkage early warning as described in claim 2, characterized in that: Multiple groups of the I-shaped piezoelectric structures are equally divided and distributed around in the piezoelectric installation groove.

4. The intelligent manhole cover with multi-functional linkage early warning as described in claim 3, characterized in that: The overall shape of the I-shaped piezoelectric structure is "I". The top of the I-shaped piezoelectric structure is an isosceles trapezoid. The top of the I-shaped piezoelectric structure is above the space between the manhole cover and the manhole cover base, and the bottom of the I-shaped piezoelectric structure is at the bottom between the manhole cover base and the manhole cover.

5. The intelligent manhole cover with multi-functional linkage early warning as described in claim 4, characterized in that: Right below the bottom of the I-shaped piezoelectric structure, there is a piezoelectric power generation structure. The bottom surface of the piezoelectric power generation structure is fixedly arranged at the internal step of the manhole cover base. The manhole cover base is recessed at the position of the piezoelectric power generation structure, and the recess is a rectangular groove. The bottom of the I-shaped piezoelectric structure slides up and down in the groove.

6. The intelligent manhole cover with multi-functional linkage early warning as described in claim 5, characterized in that: On both sides of the piezoelectric power generation structure, there are respectively reset springs. The reset springs are located in the groove, and the bottom of the reset spring is fixedly installed at the bottom of the groove. The top of the reset spring abuts against the bottom of the I-shaped piezoelectric structure.

7. The intelligent manhole cover with multi-functional linkage early warning as described in claim 5, characterized in that: On both sides of the bottom of the I-shaped piezoelectric structure at the top of the I-shaped plate, there are limit rubbers, which are correspondingly arranged with the top of the manhole cover base and the manhole cover. On both sides of the I-shaped piezoelectric structure at the bottom of the I-shaped plate, there are anti-collision rubbers, which are respectively arranged on the side walls of the groove of the manhole cover base.

8. A multi-functional linkage early warning smart manhole cover as described in claim 5, characterized in that: On both sides of the groove on the internal step of the manhole cover base, there are respectively drain holes.

9. A multi-functional linkage early warning smart manhole cover as described in claim 1, characterized in that: Multiple alarm lamps are equally divided and distributed around in the alarm lamp installation groove. Above the alarm lamp, there is an alarm lamp waterproof and light-transmitting plate, and the alarm lamp waterproof and light-transmitting plate is hermetically embedded and installed above the alarm lamp installation groove.

10. A multi-functional linkage early warning smart manhole cover as described in claim 1, characterized in that: On the back of the manhole cover, there is a solar panel embedded. Above the solar panel, there is a solar waterproof and light-transmitting plate, and the solar waterproof and light-transmitting plate is hermetically embedded and installed on the surface of the manhole cover.