CN216482841U - Bridge deflection monitoring system - Google Patents
Bridge deflection monitoring system Download PDFInfo
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- CN216482841U CN216482841U CN202123136618.5U CN202123136618U CN216482841U CN 216482841 U CN216482841 U CN 216482841U CN 202123136618 U CN202123136618 U CN 202123136618U CN 216482841 U CN216482841 U CN 216482841U
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Abstract
The utility model discloses a bridge deflection monitoring system, which comprises an acceleration acquisition unit, a control unit, an image acquisition unit and a remote monitoring unit; the acceleration acquisition unit comprises an acceleration sensor and an acceleration controller; the acceleration sensor acquires deformation acceleration of the bridge, and the acceleration controller receives the deformation acceleration information and calculates bridge deflection; the output end of the acceleration sensor is connected with the input end of the acceleration controller; the control unit receives the bridge deflection information and outputs an image snapshot control signal; the control unit is in communication connection with the acceleration controller; the image acquisition unit carries out snapshot according to the image snapshot control signal; the image acquisition unit is in communication connection with the control unit; the remote monitoring unit receives and displays bridge deflection information and vehicle image information; the utility model discloses can realize that low-cost bridge operation management and early warning monitoring are intelligent, improve road traffic safety operating efficiency.
Description
Technical Field
The utility model relates to a bridge monitoring field, concretely relates to bridge amount of deflection monitoring system.
Background
At the present stage, the economy of China is developed at a high speed, the traffic flow is greatly increased, and the driving density and the vehicle load are increasingly large.
At present, a monitoring system for bridge structures at home and abroad is usually large and complete, and although the monitoring system can be well suitable for monitoring large-span bridges, the monitoring system for small and medium-span bridges usually has high consumption cost and low operation efficiency, and cannot ensure the monitoring safety of the small and medium-span bridges.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, providing bridge amount of deflection monitoring system, can realize that low-cost bridge operation management and early warning monitoring are intelligent, improved road traffic safety operation level and operating efficiency, provide the scientific decision-making foundation for bridge management.
The utility model discloses a bridge amount of deflection monitoring system, including acceleration acquisition unit, the control unit, image acquisition unit and remote monitoring unit;
the acceleration acquisition unit comprises an acceleration sensor and an acceleration controller; the acceleration sensor is used for acquiring deformation acceleration of the bridge, and the acceleration controller is used for receiving deformation acceleration information and calculating bridge deflection according to the deformation acceleration information; the output end of the acceleration sensor is connected with the input end of the acceleration controller;
the control unit is used for receiving the bridge deflection information and outputting an image snapshot control signal according to the bridge deflection information; the control unit is in communication connection with the acceleration controller;
the image acquisition unit is used for capturing the vehicle on the bridge according to the image capturing control signal; the image acquisition unit is in communication connection with the control unit;
the remote monitoring unit is used for receiving and displaying bridge deflection information and vehicle image information; and the remote monitoring unit is in communication connection with the control unit and the acceleration controller respectively.
Further, the device also comprises a power supply unit; the power supply unit is used for supplying power to the acceleration acquisition unit, the control unit and the image acquisition unit respectively;
the power supply unit comprises a solar panel, a storage battery and a power supply control circuit; the input end of the power supply control circuit is respectively connected with the output end of the solar panel and the output end of the storage battery; and the output end of the power supply control circuit is respectively connected with the acceleration acquisition unit, the control unit and the power ends of the image acquisition unit.
Further, the power supply control circuit comprises an optocoupler G1, a triode Q1, a triode Q2, a voltage stabilizing diode DW1, a thermistor PTC, a resistor R1 and a resistor R2;
the anode of a light emitting diode of the optocoupler G1 is connected to a common connection point between the cathode of the voltage stabilizing diode DW1 and one end of a resistor R2, the anode of the voltage stabilizing diode DW1 is grounded, the other end of the resistor R2 is connected with the anode of a battery in the solar panel, and the cathode of the battery in the solar panel is grounded; the negative electrode of a light emitting diode of the optocoupler G1 is connected with a common connection point between the collector of the triode Q1 and the emitter of the triode Q2, and the emitter of the triode Q1 is connected with the storage battery; the collector of the phototriode of the optocoupler G1 is connected with a common connection point between the cathode of the voltage-regulator diode DW1 and one end of the resistor R2; an emitter of a phototriode of the optocoupler G1 is connected to a common connection point between a base of the triode Q1 and one end of the resistor R1, and the other end of the resistor R1 is grounded; the collector of the triode Q2 is connected with one end of a load, the base of the triode Q2 is connected with a common connection point between one end of a thermistor PTC and the other end of the load, and the other end of the thermistor PTC is grounded.
Further, the system also comprises a mobile terminal; the mobile terminal is used for receiving and displaying bridge deflection information and giving an alarm according to an early warning signal sent by the remote monitoring unit; the mobile terminal is in communication connection with the remote monitoring unit through the wireless communication module.
Further, the image acquisition unit comprises a plurality of cameras; the cameras are respectively in communication connection with the control unit.
Further, the remote monitoring unit comprises a server, a display device and an audible and visual alarm; the server is respectively in communication connection with the control unit and the acceleration controller; and the display device and the audible and visual alarm are respectively connected with the server.
The utility model has the advantages that: the utility model discloses a bridge amount of deflection monitoring system, through the deflection value of real-time detection bridge, and will the deflection value is compared with the threshold value, carries out early warning and monitoring according to the comparative result, simultaneously, through long-range real time monitoring and mobile terminal's nimble control, has realized that low-cost bridge operation management and early warning monitoring are intelligent, has improved road traffic safety operation level and operating efficiency.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic diagram of the system structure of the present invention;
FIG. 2 is a schematic view of the bridge deflection monitoring system of the present invention;
FIG. 3 is a schematic diagram of the power supply unit circuit of the present invention;
the system comprises a camera 1, a solar panel 2, a controller 3, an acceleration sensor 4, a bridge 5 and a vehicle 6.
Detailed Description
The invention is further described below with reference to the accompanying drawings, as shown in the drawings:
the utility model discloses a bridge amount of deflection monitoring system, including acceleration acquisition unit, the control unit, image acquisition unit and remote monitoring unit;
the acceleration acquisition unit comprises an acceleration sensor and an acceleration controller; the acceleration sensor is used for acquiring deformation acceleration of the bridge, and the acceleration controller is used for receiving deformation acceleration information and calculating bridge deflection according to the deformation acceleration information; the output end of the acceleration sensor is connected with the input end of the acceleration controller; the acceleration sensor is arranged below the bridge body, and the acceleration sensor adopts an existing high-precision acceleration sensor, such as an acceleration sensor SCL 3300; the acceleration controller adopts the existing high-speed single chip microcomputer, such as the single chip microcomputer GD32F405RGT 6; the single chip microcomputer collects the acceleration value of the SCL3300 for 200 times (the maximum 2000 times can be set) per second, a calculation program module embedded into the single chip microcomputer carries out secondary integration and multiple filtering on the input acceleration value, bridge deflection value information is output in real time after correction, and the bridge deflection value information can be output through a 485 interface, a PowerBus bus and an NB-IoT. In order to ensure the effectiveness and stability of measurement, a plurality of acceleration acquisition units can be arranged, and acceleration controllers in the acceleration acquisition units are respectively in communication connection with the control unit;
the control unit is used for receiving the bridge deflection information and outputting an image snapshot control signal according to the bridge deflection information; the control unit is respectively in communication connection with the acceleration controller and the image acquisition unit; the control unit is internally and preliminarily provided with a bridge deflection threshold, and when the received bridge deflection information is larger than the bridge deflection threshold, an image snapshot control signal is sent to the image acquisition unit to control the image acquisition unit to snapshot the vehicle on the bridge; if the number of the acceleration controllers is multiple, the control unit sends out image snapshot control signals as long as the bridge deflection information output by at least one acceleration controller is larger than the bridge deflection threshold value, so that the monitoring accuracy and timeliness are guaranteed. The control unit is in communication connection with the acceleration controller through a 485 interface; the control unit adopts the existing controller which is a single chip microcomputer, and the single chip microcomputer with a proper model or type can be selected according to the actual working condition;
the image acquisition unit is used for capturing the vehicle on the bridge according to the image capturing control signal; the control unit is in communication connection with the image acquisition unit through an RJ 45; and RJ45 is used for communication, so that the stability of image or video signal transmission is ensured.
The remote monitoring unit is used for receiving and displaying bridge deflection information and vehicle image information; and the remote monitoring unit is in communication connection with the control unit and the acceleration controller respectively. Wherein the control unit is in communication connection with the remote monitoring unit through a CAT1 module, and the acceleration controller is in communication connection with the remote monitoring unit through an NB-IoT module. Through the structure, the condition that the control unit cannot send the bridge deflection information to the remote monitoring unit when a fault occurs is avoided, the bridge deflection information can be stably and timely sent to the remote monitoring unit, the effective monitoring of the remote monitoring unit on the state of the bridge is realized, and the operation safety of the bridge is ensured.
In this embodiment, the device further comprises a power supply unit; the power supply unit is used for supplying power to the acceleration acquisition unit, the control unit and the image acquisition unit respectively;
the power supply unit comprises a solar panel, a storage battery and a power supply control circuit; the input end of the power supply control circuit is respectively connected with the output end of the solar panel and the output end of the storage battery; and the output end of the power supply control circuit is respectively connected with the acceleration acquisition unit, the control unit and the power ends of the image acquisition unit. Through the structure, the power resource is saved, the mains supply is avoided, the complexity of a power supply line is eliminated, and only the solar panel is arranged on site and the storage battery is installed.
In this embodiment, the power supply control circuit includes an optocoupler G1, a transistor Q1, a transistor Q2, a zener diode DW1, a thermistor PTC, a resistor R1, and a resistor R2;
the anode of a light emitting diode of the optocoupler G1 is connected to a common connection point between the cathode of the voltage stabilizing diode DW1 and one end of a resistor R2, the anode of the voltage stabilizing diode DW1 is grounded, the other end of the resistor R2 is connected with the anode of a battery in the solar panel, and the cathode of the battery in the solar panel is grounded; the negative electrode of a light emitting diode of the optocoupler G1 is connected with a common connection point between the collector of the triode Q1 and the emitter of the triode Q2, and the emitter of the triode Q1 is connected with the storage battery; the collector of the phototriode of the optocoupler G1 is connected with a common connection point between the cathode of the voltage-regulator diode DW1 and one end of the resistor R2; an emitter of a phototriode of the optocoupler G1 is connected to a common connection point between a base of the triode Q1 and one end of the resistor R1, and the other end of the resistor R1 is grounded; the collector of the triode Q2 is connected with one end of a load, the base of the triode Q2 is connected with a common connection point between one end of a thermistor PTC and the other end of the load, and the other end of the thermistor PTC is grounded. When the current is too large due to short circuit of a certain component or load caused by various reasons in the circuit, the thermistor PTC can inhibit the circuit from generating the too large current, thereby playing a role in protecting the circuit. The load comprises an acceleration acquisition unit, a control unit and an image acquisition unit; through the structure, double power supply of the solar panel and the storage battery is realized; solar panel has absorbed sunshine daytime, can realize the power supply, night, can be supplied power by the battery, supplies power through preferentially using solar panel, when solar panel can't supply power, launches the battery and carries out the alternate power supply to the stability and the reliability of power supply have been guaranteed.
In the embodiment, the mobile terminal is further included; the mobile terminal is used for receiving and displaying bridge deflection information and giving an alarm according to an early warning signal sent by the remote monitoring unit; the mobile terminal is in communication connection with the remote monitoring unit through the wireless communication module. Through the structure, the bridge early warning can be responded in time, and the operation safety of the bridge is further ensured. The mobile terminal adopts the existing terminal communication equipment, and the wireless communication module adopts the existing 4G or 5G communication, which is not described herein again.
In this embodiment, the image acquisition unit includes a plurality of cameras; the cameras are respectively in communication connection with the control unit. The cameras with different specifications and configurations can be adopted according to actual requirements; in order to comprehensively monitor the bridge, the cameras are respectively arranged at different positions of the bridge, so that real-time monitoring on different road sections of the bridge is realized, and passing vehicles on the bridge are captured.
In this embodiment, the remote monitoring unit includes a server, a display device, and an audible and visual alarm; the server is respectively in communication connection with the control unit and the acceleration controller; and the display device and the audible and visual alarm are respectively connected with the server. The server is in communication connection with the mobile terminal through the wireless communication module; the display device adopts the existing display and is used for displaying captured vehicle image information and bridge deflection information, and certainly, the display device can also display bridge images or video information in real time as the camera can monitor in real time; the sound-light alarm adopts the existing sound and light-emitting alarm, when the bridge deflection value exceeds a threshold value, sound production and light-emitting early warning can be carried out, and meanwhile, the server sends an early warning signal to the mobile terminal; the remote monitoring unit also comprises a memory, and the memory is used for storing the received bridge deflection information and various images or video information, and is convenient to record and file.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. A bridge amount of deflection monitoring system which characterized in that: the device comprises an acceleration acquisition unit, a control unit, an image acquisition unit and a remote monitoring unit;
the acceleration acquisition unit comprises an acceleration sensor and an acceleration controller; the acceleration sensor is used for acquiring deformation acceleration of the bridge, and the acceleration controller is used for receiving deformation acceleration information and calculating bridge deflection according to the deformation acceleration information; the output end of the acceleration sensor is connected with the input end of the acceleration controller;
the control unit is used for receiving the bridge deflection information and outputting an image snapshot control signal according to the bridge deflection information; the control unit is in communication connection with the acceleration controller;
the image acquisition unit is used for capturing the vehicle on the bridge according to the image capturing control signal; the image acquisition unit is in communication connection with the control unit;
the remote monitoring unit is used for receiving and displaying bridge deflection information and vehicle image information; and the remote monitoring unit is in communication connection with the control unit and the acceleration controller respectively.
2. The bridge deflection monitoring system of claim 1 wherein: the device also comprises a power supply unit; the power supply unit is used for supplying power to the acceleration acquisition unit, the control unit and the image acquisition unit respectively;
the power supply unit comprises a solar panel, a storage battery and a power supply control circuit; the input end of the power supply control circuit is respectively connected with the output end of the solar panel and the output end of the storage battery; and the output end of the power supply control circuit is respectively connected with the acceleration acquisition unit, the control unit and the power ends of the image acquisition unit.
3. The bridge deflection monitoring system of claim 2 wherein: the power supply control circuit comprises an optocoupler G1, a triode Q1, a triode Q2, a voltage stabilizing diode DW1, a thermistor PTC, a resistor R1 and a resistor R2;
the anode of a light emitting diode of the optocoupler G1 is connected to a common connection point between the cathode of the voltage stabilizing diode DW1 and one end of a resistor R2, the anode of the voltage stabilizing diode DW1 is grounded, the other end of the resistor R2 is connected with the anode of a battery in the solar panel, and the cathode of the battery in the solar panel is grounded; the negative electrode of a light emitting diode of the optocoupler G1 is connected with a common connection point between the collector of the triode Q1 and the emitter of the triode Q2, and the emitter of the triode Q1 is connected with the storage battery; the collector of the phototriode of the optocoupler G1 is connected with a common connection point between the cathode of the voltage-regulator diode DW1 and one end of the resistor R2; an emitter of a phototriode of the optocoupler G1 is connected to a common connection point between a base of the triode Q1 and one end of the resistor R1, and the other end of the resistor R1 is grounded; the collector of the triode Q2 is connected with one end of a load, the base of the triode Q2 is connected with a common connection point between one end of a thermistor PTC and the other end of the load, and the other end of the thermistor PTC is grounded.
4. The bridge deflection monitoring system of claim 1 wherein: the system also comprises a mobile terminal; the mobile terminal is used for receiving and displaying bridge deflection information and giving an alarm according to an early warning signal sent by the remote monitoring unit; the mobile terminal is in communication connection with the remote monitoring unit through the wireless communication module.
5. The bridge deflection monitoring system of claim 1 wherein: the image acquisition unit comprises a plurality of cameras; the cameras are respectively in communication connection with the control unit.
6. The bridge deflection monitoring system of claim 1 wherein: the remote monitoring unit comprises a server, a display device and an audible and visual alarm; the server is respectively in communication connection with the control unit and the acceleration controller; and the display device and the audible and visual alarm are respectively connected with the server.
7. The bridge deflection monitoring system of claim 1 wherein: the control unit is in communication connection with the image acquisition unit through an RJ 45.
8. The bridge deflection monitoring system of claim 1 wherein: and the control unit is in communication connection with the acceleration controller through a 485 interface.
9. The bridge deflection monitoring system of claim 1 wherein: the control unit is communicatively connected to the remote monitoring unit via a CAT1 module.
10. The bridge deflection monitoring system of claim 1 wherein: the acceleration controller is in communication connection with the remote monitoring unit through the NB-IoT module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123136618.5U CN216482841U (en) | 2021-12-13 | 2021-12-13 | Bridge deflection monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123136618.5U CN216482841U (en) | 2021-12-13 | 2021-12-13 | Bridge deflection monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216482841U true CN216482841U (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123136618.5U Active CN216482841U (en) | 2021-12-13 | 2021-12-13 | Bridge deflection monitoring system |
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| CN (1) | CN216482841U (en) |
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2021
- 2021-12-13 CN CN202123136618.5U patent/CN216482841U/en active Active
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