Intelligent well lid monitoring and alarming device
By designing a non-destructive installation smart manhole cover monitoring and alarm device, using a lifting seat and monitoring components to monitor the water level in real time and trigger an alarm, the problems of low installation efficiency and inability to provide early warning in existing devices were solved, and the effects of efficient installation and early warning were achieved.
Patent Information
- Application Number
- CN202510770485.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-10
- Publication Date
- 2025-09-12
AI Technical Summary
Existing smart manhole cover monitoring and alarm devices have low installation efficiency and are prone to damage to the manhole covers, and are unable to issue early warnings.
A smart manhole cover monitoring and alarm device is designed. It is installed non-destructively at the bottom of the manhole cover through a limiter. The lifting seat and monitoring components are used to monitor the water level in real time and trigger an alarm when the water level reaches the threshold.
It improves installation efficiency, avoids damage to manhole covers, and can issue early warnings, thereby improving management efficiency.
Smart Images

Figure CN120636110A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of smart manhole covers, and specifically to a smart manhole cover monitoring and alarm device. Background Art
[0002] A smart manhole cover is a traditional manhole cover with a monitoring terminal installed. The monitoring results are then transmitted to the cloud platform of the management terminal through a wireless communication module using communication methods such as NB-IoT, so as to manage the manhole cover terminal on a large scale.
[0003] The existing smart manhole cover monitoring and alarm device requires drilling a hole in the manhole cover during installation, then connecting the device to the mounting base, and connecting the mounting base to the manhole cover through the opening. The installation efficiency is low and it is easy to cause damage to the manhole cover. In addition, although the existing water level monitoring sensor can monitor the water level, it cannot issue an early warning based on the monitoring results and cannot attract attention. Summary of the Invention
[0004] The technical problems to be solved by the present invention are low installation efficiency and easy damage to the manhole cover; and failure to issue an early warning based on the monitoring results.
[0005] In order to solve the above technical problems, the technical solution provided by the present invention is: a smart manhole cover monitoring and alarm device, comprising a shell, a limit member is provided on the top of the shell, the limit member can limit the shell and the ring plate at the bottom end of the manhole cover, a cavity is provided in the shell, a lifting seat is provided in the middle of the cavity, a spring is provided between the lifting seat and the top wall of the shell, the lifting seat rises and falls with the water level, the lifting seat is provided with a monitoring component that can monitor the water level, and the top wall of the shell is provided with an alarm switch sleeved in the spring.
[0006] Furthermore, an elastic leather cup is provided in the cavity, a lifting seat is provided in the middle of the top of the leather cup, a flexible tube communicating with the cavity is provided at the bottom of the shell, and a counterweight block is provided on the outside of the other end of the flexible tube.
[0007] Furthermore, the monitoring component includes a sleeve arranged on the lifting seat and opposite to the alarm switch, a plurality of magnetic cores are arranged in the sleeve, a ring seat is coaxially arranged on the top of the shell, and a coil is arranged in the ring seat.
[0008] Furthermore, the limiting member includes a plurality of support clamps arranged around the shell, and a slip ring is provided on the support clamps for sliding together. The slip ring is provided outside the shell and is driven by a driving member. A plurality of hinge rods are hinged around the shell, and a drive groove is provided on the hinge rod. A drive column is provided on the slip ring relatively to the hinge, and the drive column cooperates with the drive groove. The other end of the hinge rod is hinged with an abutment plate.
[0009] Furthermore, the driving member includes a first fixing plate connected to the side wall of the shell, a second fixing plate is provided on the side wall of the slip ring, and an electric telescopic rod is hingedly provided between the second fixing plate and the first fixing plate.
[0010] Furthermore, a processor and a battery for powering the processor are provided in the shell, an alarm module, a wireless communication module and a control module are provided on the processor, and the processor is electrically connected to the alarm switch, the coil and the electric telescopic rod respectively.
[0011] The advantages of the present invention compared with the prior art are:
[0012] 1. The setting of the limiter allows the shell to be installed on the ring plate at the bottom of the manhole cover without damage, avoiding the traditional installation process of drilling the manhole cover before installation, simplifying the installation steps and improving installation efficiency;
[0013] 2. The lifting seat rises and falls according to the water level. The monitoring component can convert the water level into a signal and then transmit it to the management terminal. Once the water level exceeds the threshold, the alarm switch is triggered to sound an alarm, which is convenient for attracting attention. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the installation structure of a smart manhole cover monitoring and alarm device of the present invention.
[0015] Figure 2 This is a schematic diagram of the explosion structure after installation of a smart manhole cover monitoring and alarm device of the present invention.
[0016] Figure 3 This is a schematic diagram of the structure of a smart manhole cover monitoring and alarm device of the present invention. Figure 1 .
[0017] Figure 4 This is a schematic diagram of the structure of a smart manhole cover monitoring and alarm device of the present invention. Figure 2 .
[0018] Figure 5 It is a schematic diagram of the main cross-sectional structure of a smart manhole cover monitoring and alarm device of the present invention.
[0019] As shown in the figure: 1. Shell, 2. Limiting part, 3. Cavity, 4. Lifting seat, 5. Spring, 6. Monitoring component, 7. Alarm switch, 8. Leather cup, 9. Flexible tube, 10. Counterweight, 11. Sleeve, 12. Magnetic core, 13. Coil, 14. Support clamp, 15. Slip ring, 16. Driving part, 17. Hinge rod, 18. Driving groove, 19. Driving column, 20. Abutment plate, 21. First fixed plate, 22. Second fixed plate, 23. Electric telescopic rod, 24. Processor, 25. Battery, 26. Manhole cover, 27. Ring plate. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0021] Combined with attachment Figure 1 , Attachment Figure 2 and attached Figure 5 A smart manhole cover monitoring and alarm device includes a shell 1, a cavity 3 is provided in the shell 1, a lifting seat 4 is provided in the middle of the cavity 3, a spring 5 is provided between the lifting seat 4 and the top wall of the shell 1, and the lifting seat 4 rises and falls with the water level, an elastic leather cup 8 is provided in the cavity 3, and the lifting seat 4 is provided in the middle of the top of the leather cup 8. A flexible tube 9 communicating with the cavity 3 is provided at the bottom of the shell 1, and a counterweight block 10 is provided on the outside of the other end of the flexible tube 9.
[0022] The end of the flexible tube 9 is vertically downward due to the arrangement of the counterweight 10 .
[0023] When the water level rises to the counterweight 10, the bottom end of the flexible tube 9 will be sealed. As the water level gradually rises, the air in the flexible tube 9 is squeezed upward, thereby driving the leather cup 8 upward to overcome the action of the spring 5, causing the spring 5 to compress and accumulate force, and the lifting seat 4 moves upward with the leather cup 8.
[0024] Combined with attachment Figure 5 A monitoring component 6 for monitoring the water level is provided on the lifting seat 4. The monitoring component 6 includes a sleeve 11 provided on the lifting seat 4 and opposite to the alarm switch 7. A plurality of magnetic cores 12 are provided in the sleeve 11. A ring seat is coaxially provided on the top of the shell 1. A coil 13 is provided in the ring seat. The top wall of the shell 1 is provided with an alarm switch 7 sleeved in the spring 5.
[0025] The lifting seat 4 drives the sleeve 11 to rise and insert between the ring seats, so that the magnetic core 12 is inserted between the coils 13, thereby increasing the inductance value. Similarly, the water level in the flexible tube 9 can be inferred by the inductance value, thereby realizing the monitoring of the water level.
[0026] Combined with attachment Figure 2 , Attachment Figure 3 and attached Figure 4A limit member 2 is provided at the top of the shell 1, which can limit the shell 1 and the ring plate 27 at the bottom end of the manhole cover 26. The limit member 2 includes a number of support clips 14 arranged around the shell 1. A slip ring 15 is provided on the support clips 14 for sliding together. The slip ring 15 is sleeved on the outside of the shell 1 and driven by a driving member 16. The driving member 16 includes a first fixed plate 21 connected to the side wall of the shell 1, a second fixed plate 22 is provided on the side wall of the slip ring 15, and an electric telescopic rod 23 is hingedly provided between the second fixed plate 22 and the first fixed plate 21. A number of hinge rods 17 are hingedly provided around the shell 1, and a drive groove 18 is provided on the hinge rod 17. A drive column 19 is relatively provided on the slip ring 15. The drive column 19 cooperates with the drive groove 18, and the other end of the hinge rod 17 is hingedly provided with an abutment plate 20.
[0027] When the housing 1 needs to be installed:
[0028] First, place the top wall of the housing 1 against the bottom wall of the manhole cover 26 within the ring plate 27;
[0029] Then, as attached Figure 3 As shown, the electric telescopic rod 23 is driven to retract, the first fixed plate 21 is fixed, and the second fixed plate 22 is driven to drive the slip ring 15 to rotate counterclockwise. The slip ring 15 drives the hinge rod 17 to rotate around the hinge with the shell 1 through the cooperation of the drive column 19 and the drive groove 18, and then drives the abutment plate 20 at the other end of the hinge rod 17 to expand outward so that the abutment plate 20 abuts the inner wall of the ring plate 27 to stabilize the shell 1.
[0030] Combined with attachment Figure 3 and attached Figure 5 The shell 1 is provided with a processor 24 and a battery 25 for powering the processor 24. The processor 24 is provided with an alarm module, a wireless communication module and a control module. The processor 24 is electrically connected to the alarm switch 7, the coil 13 and the electric telescopic rod 23 respectively; the battery 25 can power the processor 24, the electric telescopic rod 23 and the coil 13.
[0031] The coil 13 feeds back a signal to the processor 24 through the inductance value, and the processor 24 transmits the signal to the management terminal through the wireless communication module, thereby being able to monitor the water level in real time.
[0032] When the water level rises to the threshold, the lifting seat 4 drives the sleeve 11 to rise to the top to lift the alarm switch 7. The alarm switch 7 is electrically connected to the alarm module on the processor 24, triggering the alarm.
[0033] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0034] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.
[0035] The present invention and its embodiments are described above. This description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by this and, without departing from the purpose of the present invention, designs structures and embodiments similar to this technical solution without inventiveness, they shall fall within the scope of protection of the present invention.
Claims
1. A smart manhole cover monitoring and alarm device, comprising a housing (1), characterized in that: The shell (1) is provided with a limiting member (2) at the top, and the limiting member (2) can limit the shell (1) and the ring plate at the bottom end of the manhole cover. A cavity (3) is provided in the shell (1), and a lifting seat (4) is provided in the middle of the cavity (3). A spring (5) is provided between the lifting seat (4) and the top wall of the shell (1). The lifting seat (4) rises and falls with the water level. A monitoring component (6) for monitoring the water level is provided on the lifting seat (4). The top wall of the shell (1) is provided with an alarm switch (7) sleeved in the spring (5).
2. The smart manhole cover monitoring and alarm device according to claim 1, characterized in that: An elastic leather cup (8) is provided in the cavity (3), and a lifting seat (4) is provided at the middle of the top of the leather cup (8). A flexible tube (9) communicating with the cavity (3) is provided at the bottom of the shell (1), and a counterweight (10) is provided on the outside of the other end of the flexible tube (9).
3. The smart manhole cover monitoring and alarm device according to claim 1, characterized in that: The monitoring assembly (6) comprises a sleeve (11) arranged on a lifting seat (4) and arranged relative to an alarm switch (7), a plurality of magnetic cores (12) being arranged in the sleeve (11), and a ring seat being coaxially arranged on the top of the housing (1), and a coil (13) being arranged in the ring seat.
4. The intelligent manhole cover monitoring and alarm device according to claim 3, characterized in that: The limiting member (2) includes a plurality of support clamps (14) arranged on the circumference of the housing (1), a slip ring (15) is slidingly provided on the support clamps (14), the slip ring (15) is sleeved outside the housing (1) and driven by a driving member (16), the housing (1) is hingedly provided with a plurality of hinge rods (17) on the circumference, a driving groove (18) is provided on the hinge rod (17), a driving column (19) is relatively provided on the slip ring (15), the driving column (19) cooperates with the driving groove (18), and the other end of the hinge rod (17) is hingedly provided with an abutment plate (20).
5. The intelligent manhole cover monitoring and alarm device according to claim 4, characterized in that: The driving member (16) includes a first fixing plate (21) connected to the side wall of the housing (1), a second fixing plate (22) is provided on the side wall of the slip ring (15), and an electric telescopic rod (23) is hingedly provided between the second fixing plate (22) and the first fixing plate (21).
6. The intelligent manhole cover monitoring and alarm device according to claim 5, characterized in that: The housing (1) is provided with a processor (24) and a battery (25) capable of supplying power to the processor (24); the processor (24) is provided with an alarm module, a wireless communication module and a control module; the processor (24) is electrically connected to the alarm switch (7), the coil (13) and the electric telescopic rod (23) respectively.