Bridge health monitoring system
By installing multiple sensors and a solar power system on the bridge, real-time monitoring and early warning of anomalies have been achieved, solving the problem of structural safety hazards in arch bridges after their service life increases, ensuring bridge safety and using green energy for power supply.
Patent Information
- Application Number
- CN202422838550.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-20
AI Technical Summary
As the service life of arch bridges increases, structural safety hazards arise due to external loads and the influence of the natural environment, and there is a lack of effective monitoring systems for real-time monitoring and early warning.
The bridge structure is monitored using a variety of sensors, including temperature and humidity sensors, wind speed and direction sensors, hydrostatic level, acceleration sensors, and vision sensors. It is powered by solar power components and uses alarms and external servers for data communication and anomaly warning.
It enables real-time monitoring and early warning of anomalies in bridge structures, ensuring bridge safety, and is environmentally friendly and efficient due to its use of solar power.
Smart Images
Figure CN223581311U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of bridge monitoring, in particular to a bridge health monitoring system. BACKGROUND
[0002] With the increase of the service life of the arch bridge, the repeated action of external variable loads such as vehicles and crowds and the corrosion of the structure by the natural environment will bring hidden dangers to the safety of the bridge structure; therefore, a monitoring system is needed to monitor the bridge. CONTENT OF THE INVENTION
[0003] In order to facilitate the monitoring of the bridge, the present application provides a bridge health monitoring system, which adopts the following technical scheme:
[0004] A bridge health monitoring system comprises:
[0005] A temperature and humidity sensor is installed on the outside of one end of the bridge girder, used to monitor the ambient temperature and humidity at the bridge site;
[0006] A wind speed and direction sensor is installed in the middle of the bridge, used to monitor the ambient wind speed and direction at the bridge site;
[0007] A static level gauge is installed on the outside of the end of the bridge girder, near the 1 / 4 span of one end of the bridge girder and in the middle of the bridge, used to monitor the deflection of the girder;
[0008] An acceleration sensor is installed on the outside of the 1 / 4 span, the middle and the 3 / 4 span near one end of the bridge girder, used to monitor the vibration acceleration of the girder; and is installed on the suspender in the middle, used to monitor the suspender cable force;
[0009] An alarm is used to receive an alarm signal to perform corresponding alarm action;
[0010] The temperature and humidity sensor, the wind speed sensor, the static level gauge and the acceleration sensor can be connected to an external server in communication; the external server sends the corresponding alarm signal after determining that one or more of the received ambient temperature, ambient humidity, ambient wind speed, girder deflection, girder vibration acceleration and suspender cable force is abnormal.
[0011] By adopting the above technical scheme, the bridge is monitored by arranging multiple sensors, and early warning can be performed in time when the bridge structure is abnormal.
[0012] Optionally, the bridge health monitoring system further comprises:
[0013] A visual sensor is installed in the outside of the other end of the bridge, used to monitor the suspender cable force of the suspender in the middle and the deflection of the girder; the visual sensor can be connected to an external server in communication.
[0014] By adopting the technical scheme, the bridge is further monitored.
[0015] Optionally, the bridge health monitoring system further comprises:
[0016] The solar power supply assembly is installed on the bridge and is used for supplying power to the temperature and humidity sensor, the wind speed and direction sensor, the hydrostatic level gauge and the acceleration sensor respectively.
[0017] By adopting the technical scheme, the conversion from solar energy to electric energy is realized, and the conversion is green and environment-friendly.
[0018] Optionally, the bridge health monitoring system further comprises:
[0019] The support frame is installed on the support frame.
[0020] The main rod is rotationally connected to the support frame.
[0021] The support plate is circumferentially arranged along the main rod and is hingedly connected to the main rod.
[0022] The adjusting assembly is installed on the main rod and is used for driving the rotation of the support frame.
[0023] By adopting the technical scheme, after the main rod is installed on the ground through the support plate, the adjusting assembly can be used to finely adjust the collection angle of the visual sensor.
[0024] Optionally, the adjusting assembly comprises:
[0025] The adjusting gear is rotationally connected to the main rod, and the support frame is installed on the adjusting gear.
[0026] The adjusting tooth is capable of being engaged with the adjusting gear and is slidingly connected to the main rod.
[0027] The adjusting ring is coaxially fixedly connected to the main rod.
[0028] The adjusting bolt is rotationally connected to one end of the adjusting tooth and is threadedly connected to the adjusting ring at the other end.
[0029] By adopting the technical scheme, the adjusting bolt is rotated, the adjusting bolt drives the adjusting tooth to be disengaged from the adjusting gear, the adjusting gear can be rotated at this time, and therefore the support frame can be adjusted by the worker. After the adjustment is completed, the adjusting bolt is rotated, the adjusting bolt drives the adjusting tooth to be engaged with the adjusting gear, and the adjusting gear cannot be rotated at this time, and therefore the support frame is locked.
[0030] Optionally, the support frame comprises:
[0031] A bearing moving plate is installed on the bearing moving plate;
[0032] A bearing fixed plate is rotationally connected to the main rod, and the bearing moving plate is slidingly connected to the bearing fixed plate.
[0033] By adopting the above technical scheme, the height of the visual sensor can be changed by sliding the bearing moving plate, and the applicability of the visual sensor is improved.
[0034] Optionally, the bearing frame further comprises:
[0035] A guide rod is installed on the bearing moving plate, and a guide groove is formed in the side wall of the bearing fixed plate, and the guide rod is slidingly connected to the bearing fixed plate through the guide groove.
[0036] A locking nut is threadedly connected to one end of the guide rod outside the guide groove.
[0037] By adopting the above technical scheme, when the bearing moving plate needs to be moved, the locking nut is separated from the bearing fixed plate, and at this time, the bearing moving plate can slide; after the locking nut abuts against the bearing fixed plate, the position of the bearing moving plate is limited under the action of friction.
[0038] Optionally, the bridge health monitoring system further comprises:
[0039] A sliding sleeve is coaxially sleeved on the main rod, and the support plate is hingedly connected to the sliding sleeve.
[0040] A screw rod is rotationally connected to the main rod, and the sliding sleeve is threadedly connected to the screw rod.
[0041] A drive gear is coaxially fixedly connected to one end of the screw rod.
[0042] A drive gear ring is rotationally connected to the adjusting ring and is engaged with the drive gear.
[0043] By adopting the above technical scheme, the drive gear ring is rotated to drive the rotation of the drive gear, and the rotation of the screw rod is driven by the drive gear, so that the movement of the sliding sleeve is realized, and the position of the support plate on the main rod is adjusted as a whole, so that the visual sensor can be installed on the ground.
[0044] As described above, the present application has at least the following beneficial effects:
[0045] 1. The purpose of arranging the temperature and humidity sensor, the wind speed and direction sensor, the static level instrument, the acceleration sensor and the alarm is to realize the monitoring of the bridge by arranging multiple sensors, and to timely perform early warning when the bridge structure is abnormal.
[0046] 2. The purpose of setting up visual sensors is to further monitor the bridge.
[0047] 3. The purpose of setting up the support frame, main pole, support plate, and adjustment components is that after the main pole is installed on the ground through the support plate, the acquisition angle of the vision sensor can be finely adjusted through the adjustment components. Attached Figure Description
[0048] Figure 1 This is a schematic diagram of some of the sensors in this application installed on a bridge;
[0049] Figure 2 This is a connection diagram of the sensor, alarm, and server in this application;
[0050] Figure 3 This is a schematic diagram of the overall structure of another embodiment of this application;
[0051] Figure 4 This is a schematic diagram of the structure after the adjustment ring is hidden in another embodiment of this application.
[0052] Explanation of reference numerals in the attached drawings: 101. Temperature and humidity sensor; 102. Wind speed and direction sensor; 103. Static level; 104. Accelerometer; 105. Alarm; 106. Vision sensor; 107. Solar power supply assembly; 210. Support frame; 211. Support moving plate; 212. Support fixed plate; 213. Guide groove; 214. Guide rod; 215. Locking nut; 220. Main rod; 221. Sliding sleeve; 222. Screw; 223. Drive gear; 224. Drive gear ring; 230. Support plate; 240. Adjustment assembly; 241. Adjusting gear; 242. Adjusting tooth; 243. Adjusting ring; 244. Adjusting bolt. Detailed Implementation
[0053] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the appendices in the embodiments of this utility model. Figure 1 -Appendix Figure 4 The technical solutions in the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0054] This application discloses a bridge health monitoring system. (Refer to...) Figure 1 and Figure 2As an embodiment of the bridge health monitoring system, the bridge health monitoring system can comprise a temperature and humidity sensor 101, a wind speed and direction sensor 102, a static level gauge 103, an acceleration sensor 104, an alarm 105 and a visual sensor 106.
[0055] The temperature and humidity sensor 101 is installed on the outer side of one end of the bridge girder, for monitoring the ambient temperature and humidity at the bridge site. The wind speed and direction sensor 102 is installed at the midspan of the bridge, for monitoring the ambient wind speed and direction at the bridge site. The static level gauge 103 is installed at the end of one end of the bridge girder, near the 1 / 4 span of one end of the bridge girder and on the outer side of the midspan, for monitoring the deflection of the girder. The acceleration sensor 104 is installed on the outer side of the 1 / 4 span, the midspan and the 3 / 4 span near one end of the bridge girder, for monitoring the vibration acceleration of the girder. In addition, the acceleration sensor 104 is also installed on the midspan suspender, for monitoring the suspender cable force. The visual sensor 106 is installed in the external environment of the other end of the bridge, for monitoring the suspender cable force of the midspan suspender and the deflection of the girder.
[0056] The temperature and humidity sensor 101, the wind speed sensor, the static level gauge 103, the acceleration sensor 104, the visual sensor 106 and the alarm 105 can be in communication connection with an external server; when the external server determines that one or more of the received data of ambient temperature, ambient humidity, ambient wind speed, girder deflection, girder vibration acceleration and suspender cable force is abnormal, it sends a corresponding alarm signal to the alarm 105, and the alarm 105 performs a corresponding alarm action according to the received alarm signal.
[0057] In addition, further, a solar power supply component 107 is installed on the bridge to supply power to the temperature and humidity sensor 101, the wind speed and direction sensor 102, the static level gauge 103 and the acceleration sensor 104. The solar power supply component 107 is a conventional solar power supply related structure, which can convert solar energy into electric energy and supply power to the sensors, so no more description is given.
[0058] As another embodiment of the bridge health monitoring system, referring to Figure 3 The bridge health monitoring system can further comprise a bearing frame 210, a main rod 220, a support plate 230 and an adjusting assembly 240.
[0059] The bearing frame 210 comprises a bearing moving plate 211 and a bearing fixed plate 212. The visual sensor 106 is installed on the bearing moving plate 211, the bearing moving plate 211 is slidingly connected in the bearing fixed plate 212, and the bearing fixed plate 212 is rotationally connected with the main rod 220. The visual sensor 106 contains a central single-chip mainboard, a wireless transmission module, a camera sensor mainboard, a fixed-focus lens, a storage hard disk, and a controller, a storage battery and an inverter required by a solar energy. The visual sensor 106 is packaged by an aluminum shell and fixedly connected on the bearing moving plate 211 through a base. A small solar panel is externally connected to supply power to the visual sensor 106.
[0060] In order to realize the locking of the bearing moving plate 211, a guide groove 213 is formed in the side wall of the bearing fixed plate 212, a guide rod 214 is fixedly connected on the bearing moving plate 211, the guide rod 214 penetrates out of the guide groove 213, and the guide rod 214 is slidingly connected with the bearing fixed plate 212 through the guide groove 213. A locking nut 215 is threadedly connected at one end of the guide rod 214 penetrating out of the guide groove 213.
[0061] The support plate 230 is circumferentially arranged along the main rod 220 and hinged to the main rod 220. Three support plates 230 can be arranged on the main rod 220. The adjusting assembly 240 is installed on the main rod 220 and used to drive the rotation of the bearing frame 210.
[0062] Referring to Figure 3 and Figure 4 , the adjusting assembly 240 can comprise an adjusting gear 241, an adjusting tooth 242, an adjusting ring 243 and an adjusting bolt 244. The adjusting gear 241 is coaxially rotationally connected to one end of the main rod 220, and the bearing fixed plate 212 is installed on the adjusting gear 241. The adjusting ring 243 is coaxially fixedly connected to one end of the main rod 220. The adjusting tooth 242 is slidingly connected to the main rod 220 and can be engaged with the adjusting gear 241. One end of the adjusting bolt 244 is rotationally connected with the adjusting tooth 242 and can penetrate out of the adjusting ring 243 and be threadedly connected with the adjusting ring 243.
[0063] Further, the main rod 220 is coaxially sleeved with a sliding sleeve 221, and the support plate 230 is hinged to the sliding sleeve 221. A screw rod 222 is threadedly connected to the main rod 220, and the sliding sleeve 221 is threadedly connected with the screw rod 222. A driving gear 223 is coaxially fixedly connected to one end of the screw rod 222. A driving gear ring 224 is rotationally connected to the adjusting ring 243, the driving gear ring 224 is coaxially arranged with the main rod 220, and the driving gear ring 224 is engaged with the driving gear 223.
[0064] The above are only preferred embodiments of the present application and are not used to limit the protection scope of the present application. Any feature disclosed in the specification (including the abstract and drawings) can be replaced by other equivalent or similar features unless otherwise stated. That is, each feature is only an example of a series of equivalent or similar features unless otherwise stated.
Claims
1. A bridge health monitoring system, characterized by, It comprises: A temperature and humidity sensor (101) is installed on the outside of one end of the bridge girder to monitor the ambient temperature and humidity at the bridge site; A wind speed and direction sensor (102) is installed in the middle of the bridge to monitor the ambient wind speed and direction at the bridge site; A static level (103) is installed on the outside of the end of the bridge girder, near the 1 / 4 span of one end of the bridge girder, and in the middle of the bridge to monitor the deflection of the girder; An acceleration sensor (104) is installed on the outside of the 1 / 4 span, the middle, and the 3 / 4 span near one end of the bridge girder to monitor the vibration acceleration of the girder; And an alarm (105) is installed on the crossbar to monitor the cable force of the crossbar; The temperature and humidity sensor (101), wind speed sensor, static level (103), and acceleration sensor (104) can be connected to an external server; the external server sends the corresponding alarm signal when it determines that one or more of the received environmental temperature, environmental humidity, girder deflection, main girder vibration acceleration, and crossbar cable force is abnormal; A visual sensor (106) is installed in the outside of the other end of the bridge to monitor the cable force of the crossbar in the middle of the bridge and the deflection of the main girder; the visual sensor (106) can be connected to an external server; A carrying frame (210) is installed on the carrying frame (210); A main rod (220) is connected to the carrying frame (210); A support plate (230) is arranged circumferentially along the main rod (220) and is hinged to the main rod (220); An adjustment assembly (240) is installed on the main rod (220) to drive the rotation of the carrying frame (210). The bridge health monitoring system further comprises:
2. The bridge health monitoring system of claim 1, wherein A solar power supply assembly (107) is installed on the bridge to supply power to the temperature and humidity sensor (101), the wind speed and direction sensor (102), the static level (103), and the acceleration sensor (104). The adjustment assembly (240) comprises:
3. The bridge health monitoring system of claim 1, wherein An adjustment gear (241) is rotatably connected to the main rod (220), and the carrying frame (210) is installed on the adjustment gear (241); An adjustment tooth (242) can be engaged with the adjustment gear (241) and is slidably connected to the main rod (220); An adjustment ring (243) is coaxially fixedly connected to the main rod (220); An adjustment bolt (244) is rotatably connected to one end of the adjustment tooth (242) and is threadedly connected to the other end of the adjustment ring (243). The carrying frame (210) comprises:
4. The bridge health monitoring system of claim 1, wherein, A carrying moving plate (211) is installed on the carrying moving plate (211); A carrying fixed plate (212) is rotatably connected to the main rod (220), and the carrying moving plate (211) is slidably connected to the carrying fixed plate (212). The carrying frame (210) further comprises:
5. The bridge health monitoring system of claim 4, wherein, A guide rod (214) is mounted on the bearing moving plate (211); a guide slot (213) is formed in the side wall of the bearing fixed plate (212), and the guide rod (214) is in sliding connection with the bearing fixed plate (212) through the guide slot (213); A lock nut (215) is in threaded connection with one end of the guide rod (214) which is located outside the guide slot (213).
6. The bridge health monitoring system of claim 3, wherein, The bridge health monitoring system further comprises: A sliding sleeve (221) is coaxially sleeved on the main rod (220), and the support plate (230) is hinged to the sliding sleeve (221); A screw rod (222) is rotationally connected to the main rod (220), and the sliding sleeve (221) is in threaded connection with the screw rod (222); A drive gear (223) is coaxially fixedly connected to one end of the screw rod (222); A drive gear ring (224) is rotationally connected to the adjusting ring (243) and is in meshing connection with the drive gear (223).