Integrated multifunctional well lid monitoring device
By designing an integrated multi-functional manhole cover monitoring device, integrating liquid level meter, combustible gas sensor and water-immersed probe, the problem of single function of the intelligent manhole cover sensor is solved, comprehensive monitoring of the internal conditions of the manhole is achieved, and monitoring quality and safety are improved.
Patent Information
- Application Number
- CN202421466604.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-25
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-06-25
AI Technical Summary
The intelligent manhole cover sensor has a single function and cannot fully detect the internal conditions of the manhole, resulting in a reduction in the internal environmental monitoring quality of manhole cover use.
An integrated multi-functional manhole cover monitoring device is designed, integrating a liquid level meter, combustible gas sensor and water immersion probe, and powered by circuit board and power supply to realize real-time monitoring of abnormal vibration, tilt, water immersion, water level height and combustible gas concentration of manhole cover.
It improves the practicality and monitoring quality of manhole cover monitoring devices, comprehensively detects the internal conditions of manholes, and improves the safety of manholes and manhole covers.
Smart Images
Figure CN222635539U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of manhole cover monitoring, in particular to an integrated multifunctional manhole cover monitoring device. Background Art
[0002] There are a large number of manhole covers in the city. The traditional inspection method requires a lot of manpower, and its maintenance and status perception are not real-time. The emergence of smart manhole cover sensors can solve this problem well. However, smart manhole cover sensors can only sense abnormal vibration, tilt and whether the manhole cover is flooded. Its function is relatively single, and the detection of the internal situation of the manhole is not comprehensive enough, which reduces the quality of internal environment monitoring of the manhole and the safety of the use of manhole covers. Utility Model Content
[0003] The utility model provides an integrated multifunctional manhole cover monitoring device, which solves the technical problem that the intelligent manhole cover sensor can only sense the abnormal vibration, tilt and whether the manhole cover is flooded, its function is relatively single, and the detection of the internal situation of the manhole is not comprehensive enough, which reduces the quality of internal environment monitoring of the manhole and the safety of the use of the manhole cover.
[0004] In order to solve the above technical problems, the utility model provides an integrated multifunctional manhole cover monitoring device, including a shell, a mounting groove is opened in the shell, a circuit board is fixedly connected in the mounting groove, the circuit board includes a liquid level meter interface and a combustible gas sensor interface arranged at the bottom of the shell, a power supply for powering the circuit board is provided in the shell, a liquid level meter probe is arranged at the bottom of the shell, the liquid level meter probe is electrically connected to the liquid level meter interface, a combustible gas probe is arranged at the bottom of the shell, the combustible gas probe is electrically connected to the combustible gas sensor interface, the shell includes a side connecting ring integrally formed therewith, a plurality of water immersion probes are fixedly connected in the side connecting ring, and the water immersion probe is electrically connected to the circuit board.
[0005] Preferably, a liquid level gauge connecting wire is provided at the bottom of the shell, one end of the liquid level gauge connecting wire is electrically connected to the liquid level gauge probe, the other end of the liquid level gauge connecting wire is fixedly connected to the liquid level connecting end, the liquid level connecting end is electrically connected to the liquid level gauge interface, and a cable is provided at the bottom of the shell, one end of the cable is fixedly connected to the combustible gas probe, the other end of the cable is fixedly connected to the electrical connecting end, and the electrical connecting end is electrically connected to the combustible gas sensor interface.
[0006] Preferably, the shape of the shell is a conical barrel, the top surface and the bottom surface of the shell are both circular, the area of the top surface is larger than the area of the bottom surface, and the level gauge interface is arranged on the bottom surface.
[0007] Preferably, a filling groove is provided in the shell, the filling groove is filled with a filler, a through hole is provided in the filler for the water immersion probe to pass through, and the detection end of the water immersion probe is arranged outside the through hole.
[0008] Preferably, a power supply slot is provided in the housing, the power supply comprises a lithium battery placed in the power supply slot, and the water immersion probe, liquid level meter probe, combustible gas probe and circuit board are all electrically connected to the lithium battery.
[0009] Preferably, two mounting seats are fixedly connected to the top of the shell, mounting holes are penetrated through the mounting seats, and the two mounting seats are symmetrically arranged.
[0010] Preferably, a data collection module is provided in the shell, and the data collection module is connected to the circuit board; a data transmission module is provided in the shell, and the data transmission module is connected to the data collection module.
[0011] Compared with the related art, the integrated multifunctional manhole cover monitoring device provided by the utility model has the following beneficial effects:
[0012] In the utility model, a mounting base is connected to the bottom of the manhole cover, and a water immersion probe is added on the basis of the original manhole cover monitoring. It can not only detect and sense abnormal vibration and tilt of the manhole cover for a long time, but also detect whether there is water immersion. The liquid level gauge probe arranged at the bottom of the outer shell can be used to detect the water level in the manhole, and the combustible gas probe can be used to monitor the combustible gas concentration inside the manhole. It integrates multiple functions into one inside the outer shell, which improves the practicability of the manhole cover monitoring device. At the same time, the multi-functional monitoring improves the monitoring quality of the manhole cover, makes the detection of the manhole more comprehensive, and improves the safety of the use of the manhole and the manhole cover. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the integrated multifunctional manhole cover monitoring device;
[0014] Figure 2 It is a schematic diagram of the cross-sectional structure of an integrated multifunctional manhole cover monitoring device;
[0015] Figure 3 It is a schematic diagram of the top structure of the integrated multifunctional manhole cover monitoring device;
[0016] Figure 4 It is a structural schematic diagram of an integrated multifunctional manhole cover monitoring device.
[0017] Numbers in the figure: 1. Shell; 2. Side link; 3. Water immersion probe; 4. Liquid level meter interface; 5. Liquid level connection terminal; 6. Liquid level meter connection line; 7. Cable; 8. Liquid level meter probe; 9. Combustible gas probe; 10. Circuit board; 11. Lithium battery; 12. Filler; 13. Combustible gas sensor interface; 14. Electrical terminal; 15. Mounting base. DETAILED DESCRIPTION
[0018] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0019] In the description of the present utility model, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like are involved, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0020] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected or indirectly connected through an intermediate medium. It can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0021] See also Figure 1-Figure 4 , an embodiment provided by the utility model:
[0022] The integrated multifunctional manhole cover monitoring device comprises a shell 1, a mounting groove is provided in the shell 1, a circuit board 10 is fixedly connected in the mounting groove, the circuit board 10 comprises a liquid level meter interface 4 and a combustible gas sensor interface 13 arranged at the bottom of the shell 1, a power supply for powering the circuit board 10 is provided in the shell 1, a liquid level meter probe 8 is provided at the bottom of the shell 1, the liquid level meter probe 8 is electrically connected to the liquid level meter interface 4, a combustible gas probe 9 is provided at the bottom of the shell 1, the combustible gas probe 9 is electrically connected to the combustible gas sensor interface 13, the shell 1 comprises a side link 2 integrally formed therewith, a plurality of water immersion probes 3 are fixedly connected in the side link 2, and the water The immersion probe 3 is electrically connected to the circuit board 10, and is connected to the bottom of the manhole cover through the mounting base 15. The immersion probe 3 is added on the basis of the original manhole cover monitoring, which can not only detect and sense the abnormal vibration and tilt of the manhole cover for a long time, but also detect whether there is water immersion. The liquid level gauge probe 8 arranged at the bottom of the shell 1 can also be used to detect the water level in the manhole, and the combustible gas probe 9 can be used to monitor the combustible gas concentration inside the manhole. The multiple functions are integrated into the shell 1, which improves the practicality of the manhole cover monitoring device. At the same time, the multi-functional monitoring improves the quality of manhole cover monitoring, makes the detection of the manhole more comprehensive, and improves the safety of the use of the manhole and the manhole cover;
[0023] See also Figure 1 In this embodiment, a liquid level gauge connecting line 6 is provided at the bottom of the housing 1, one end of the liquid level gauge connecting line 6 is electrically connected to the liquid level gauge probe 8, the other end of the liquid level gauge connecting line 6 is fixedly connected to the liquid level connecting end 5, the liquid level connecting end 5 is electrically connected to the liquid level gauge interface 4, a cable 7 is provided at the bottom of the housing 1, one end of the cable 7 is fixedly connected to the combustible gas probe 9, the other end of the cable 7 is fixedly connected to the electrical connection end 14, the electrical connection end 14 is electrically connected to the combustible gas sensor interface 13, and the connection between the liquid level gauge probe 8, the combustible gas probe 9 and the circuit board 10 is respectively completed by the arrangement of the liquid level gauge connecting line 6 and the cable 7;
[0024] It should be noted that the shape of the housing 1 is a conical barrel, the top and bottom surfaces of the housing 1 are both circular, the area of the top surface is larger than the area of the bottom surface, and the level gauge interface 4 is arranged on the bottom surface, and is placed inside the manhole in a barrel shape, thereby enlarging the gap between the device and the manhole and avoiding obstruction to the drainage of the manhole cover;
[0025] See also Figure 2 In this embodiment, a filling groove is provided in the shell 1, and the filling groove is filled with a filler 12. A through hole is provided in the filler 12 for the water immersion probe 3 to pass through. The detection end of the water immersion probe 3 is arranged outside the through hole. The filling of the filler 12 makes the water immersion probe 3 more firm after installation, thereby improving the installation stability of the water immersion probe 3.
[0026] See also Figure 2In this embodiment, a power supply slot is opened in the shell 1, and the power supply includes a lithium battery 11 placed in the power supply slot. The water immersion probe 3, the liquid level meter probe 8, the combustible gas probe 9 and the circuit board 10 are all electrically connected to the lithium battery 11. The power supply of the lithium battery 11 provides endurance for the use of the device.
[0027] See also Figure 3 In this embodiment, two mounting seats 15 are fixedly connected to the top of the shell 1, and mounting holes are opened through the mounting seats 15. The two mounting seats 15 are symmetrically arranged, and the mounting seats 15 can be used to fix the device to the bottom of the manhole cover by conventional technical means, including but not limited to: using bolts and nuts to connect, passing the bolts through the mounting holes and screwing the nuts on at relative positions to fix them with nuts, and fixing them by passing ropes through the mounting holes, etc. Conventional operations that can fix the device to the bottom of the manhole cover.
[0028] A wireless manhole cover movement sensor is installed in the housing 1. When the tilt angle is greater than the set warning value, the alarm is automatically triggered and the relevant data is uploaded to the cloud in real time. The Kalman filter algorithm principle is used to obtain manhole cover movement data to provide accurate data support. The wireless transmission method of NB-IoT network communication is adopted, so there is no need to worry about the data transmission distance. The protection level is IP68, which is suitable for various harsh environments.
[0029] A data collection module is provided in the shell 1, and the data collection module is connected to the circuit board 10. A data transmission module is provided in the shell 1, and the data transmission module is connected to the data collection module. The data collection module can collect data collected by the water immersion probe 3, the liquid level meter probe 8, and the combustible gas probe 9, and transmit the data to the cloud through the data collection module. The data obtained by real-time observation in the cloud can be used in the data collection module: ADC analog-to-digital converter chip, MCU microcontroller chip, digital potentiometer chip, etc., and the data transmission module can be used: module based on Qualcomm 9531 chip, embedded 4G three-phase wireless communication module, 4G full network DTU module, Quectel module EC20, Topray 4G mini DTU module, rail-type 4G DTU wireless transmission equipment and CAT1 4G Internet of Things transparent transmission module, etc.
[0030] Working principle: The device can be fixed to the bottom of the manhole cover using the mounting seat 15 through conventional technical means, including but not limited to: using bolts and nuts to connect, passing the bolts through the mounting holes and screwing the nuts on at relative positions, fixing with the nuts and fixing with ropes through the mounting holes, etc., which can fix the device to the bottom of the manhole cover. After the installation is completed, the outer shell 1 is placed inside the manhole with its top surface close to the manhole cover. A water immersion probe 3 is added to the original manhole cover monitoring system, which can not only detect abnormal vibration and tilt of the manhole cover for a long time, but also detect whether there is water immersion. The liquid level gauge probe 8 arranged at the bottom of the outer shell 1 can be used to detect the water level in the manhole, and the combustible gas probe 9 can be used to monitor the combustible gas concentration inside the manhole. Multiple functions are integrated inside the outer shell 1, which improves the practicality of the manhole cover monitoring device.
[0031] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An integrated multifunctional manhole cover monitoring device, characterized in that: The invention comprises a shell (1), wherein a mounting groove is provided in the shell (1), a circuit board (10) is fixedly connected in the mounting groove, the circuit board (10) comprises a liquid level meter interface (4) and a combustible gas sensor interface (13) arranged at the bottom of the shell (1), a power supply for supplying power to the circuit board (10) is arranged in the shell (1), a liquid level meter probe (8) is arranged at the bottom of the shell (1), the liquid level meter probe (8) is electrically connected to the liquid level meter interface (4), a combustible gas probe (9) is arranged at the bottom of the shell (1), the combustible gas probe (9) is electrically connected to the combustible gas sensor interface (13), and the shell (1) comprises a side link (2) integrally formed therewith, a plurality of water immersion probes (3) are fixedly connected in the side link (2), and the water immersion probes (3) are electrically connected to the circuit board (10).
2. The integrated multifunctional manhole cover monitoring device according to claim 1 is characterized in that: A liquid level gauge connection line (6) is provided at the bottom of the housing (1), one end of the liquid level gauge connection line (6) is electrically connected to the liquid level gauge probe (8), the other end of the liquid level gauge connection line (6) is fixedly connected to the liquid level connection end (5), the liquid level connection end (5) is electrically connected to the liquid level gauge interface (4), and a cable (7) is provided at the bottom of the housing (1), one end of the cable (7) is fixedly connected to the combustible gas probe (9), the other end of the cable (7) is fixedly connected to the electrical connection end (14), and the electrical connection end (14) is electrically connected to the combustible gas sensor interface (13).
3. The integrated multifunctional manhole cover monitoring device according to claim 1, characterized in that: The outer shell (1) is in the shape of a cone barrel, the top surface and the bottom surface of the outer shell (1) are both circular, the area of the top surface is larger than the area of the bottom surface, and the liquid level gauge interface (4) is arranged on the bottom surface.
4. The integrated multifunctional manhole cover monitoring device according to claim 1, characterized in that: A filling groove is provided in the housing (1), the filling groove is filled with a filler (12), a through-hole is provided in the filler (12) for the water immersion probe (3) to pass through, and a detection end of the water immersion probe (3) is arranged outside the through-hole.
5. The integrated multifunctional manhole cover monitoring device according to claim 1, characterized in that: A power supply slot is provided in the housing (1), the power supply comprises a lithium battery (11) placed in the power supply slot, and the water immersion probe (3), the liquid level meter probe (8), the combustible gas probe (9) and the circuit board (10) are all electrically connected to the lithium battery (11).
6. The integrated multifunctional manhole cover monitoring device according to claim 1, characterized in that: Two mounting seats (15) are fixedly connected to the top of the housing (1), mounting holes are provided through the mounting seats (15), and the two mounting seats (15) are symmetrically arranged.
7. The integrated multifunctional manhole cover monitoring device according to claim 1, characterized in that: A data collection module is arranged in the housing (1), and the data collection module is connected to the circuit board (10); a data transmission module is arranged in the housing (1), and the data transmission module is connected to the data collection module.