CN210638689U - Bridge deformation on-line monitoring system based on MEMS gyroscope - Google Patents
Bridge deformation on-line monitoring system based on MEMS gyroscope Download PDFInfo
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- CN210638689U CN210638689U CN201920924017.4U CN201920924017U CN210638689U CN 210638689 U CN210638689 U CN 210638689U CN 201920924017 U CN201920924017 U CN 201920924017U CN 210638689 U CN210638689 U CN 210638689U
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Abstract
The utility model provides a bridge deformation on-line monitoring system based on MEMS gyroscope, which comprises a data monitoring device, a communication gateway, an operator server and a monitoring management center; the data monitoring device comprises a main control chip, an MEMS gyroscope, a power supply circuit, a GPS circuit and an NB circuit, wherein the main control chip is respectively connected with the MEMS gyroscope, the power supply circuit, the GPS circuit and the NB circuit. The utility model provides a bridge warp on-line monitoring system based on MEMS gyroscope can acquire the deformation data of bridge fast, accurately, and the network deployment is convenient, and intelligent degree is high and labour saving and time saving, reduces the manual work volume.
Description
Technical Field
The utility model relates to a monitoring facilities technical field, in particular to bridge deformation on-line monitoring system based on MEMS gyroscope.
Background
Modern bridge engineering construction scale is getting bigger and bigger, and whether the bridge structure is stable or not has a great influence on daily trip safety of people. However, during the long-term use of the bridge, the bridge body structure is often deformed to different degrees, mainly due to the large-scale settlement and inclination. In daily management and maintenance of bridges, deformation monitoring such as bridge settlement and inclination becomes an extremely important and indispensable work.
In the prior art, deformation monitoring means are numerous, but the methods have very different monitoring effects in the aspects of measurement accuracy, speed, simple operation degree, manual intervention degree and the like, and applicable monitoring objects are different, so that the method has great limitation. In addition, because the prior art lacks effective management on bridge basic information, after a supervisor acquires deformation early warning information of a bridge member by using a monitoring system, the supervisor often needs to manually call and look up relevant basic data so as to analyze and evaluate whether maintenance measures are taken, and the intelligent degree is low, time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to above-mentioned prior art, the utility model provides a bridge warp on-line monitoring system based on MEMS gyroscope can acquire the deformation data of bridge fast, accurately, and the network deployment is convenient, and intelligent degree is high and labour saving and time saving, reduces the manual work volume.
The utility model adopts the following technical scheme:
the bridge deformation online monitoring system based on the MEMS gyroscope comprises a data monitoring device, a communication gateway, an operator server and a monitoring management center; the data monitoring device acquires real-time deformation data of the bridge, sends the real-time deformation data to the communication gateway, and sends the real-time deformation data to the monitoring management center through the operator server by the communication gateway; the data monitoring device comprises a main control chip, an MEMS gyroscope, a power supply circuit, a GPS circuit and an NB circuit, wherein the main control chip is respectively connected with the MEMS gyroscope, the power supply circuit, the GPS circuit and the NB circuit; the GPS circuit and the NB circuit are used for wireless communication.
Furthermore, the power supply circuit comprises a battery and a power supply management circuit, and the power supply management circuit is connected with the main control chip through the battery.
Further, the NB circuit comprises an NB main chip, a USIM circuit, an MCU reset circuit and a power control circuit, wherein the NB main chip is respectively connected with the main control chip, the USIM circuit, the MCU reset circuit and the power control circuit.
Furthermore, the GPS circuit comprises a GPS main chip, an LDO circuit and a GPS reset circuit, and the GPS main chip is respectively connected with the main control chip, the LDO circuit and the GPS reset circuit.
Further, the battery is connected with the GPS main chip.
Further, the master control chip comprises a first chip U1, tenth to twelfth resistors R10-R12, a seventeenth capacitor C17, a twenty-first capacitor C21, a twenty-third capacitor C23 and a crystal oscillator; the power management circuit comprises a sixth chip U6, a thirty-third resistor R33, a thirty-fourth resistor R34, a third LED lamp LED3 and a twenty-first capacitor C21, wherein the sixth chip adopts an XT4054 chip; the NB main chip comprises a first chip U1, second to fifth capacitors C2-C5, second to tenth resistors R2-R10 and thirteenth to fifteenth resistors R13-R15; the USIM circuit comprises a chip U1, a chip SIM, and sixth to ninth capacitors C6-C9; the MCU reset circuit comprises a second triode Q3; the power supply control circuit comprises a fourth field effect transistor Q4 and a nineteenth resistor R19; the GPS main chip comprises a fifth chip U5, twenty-eighth to thirty-first resistors R28-R31, a first inductor FB1, a second inductor FB2, a nineteenth capacitor C19 and a twentieth capacitor C20; the LDO circuit comprises a seventh chip U7, a twenty-second capacitor C22, a twenty-third capacitor C23 and a forty-first resistor R41, wherein the seventh chip adopts an RS3219-3.3YCS chip; the GPS reset circuit includes an eighth transistor Q8.
Further, the third LED lamp is a single-color LED lamp.
The utility model has the advantages that: the real-time deformation data of the bridge are obtained through the data monitoring device and are sent to the communication gateway, and the communication gateway sends the data to the monitoring management center through the operator server. By adopting the MEMS gyroscope technology, the method is economical, cheap and energy-saving, can quickly and accurately acquire the deformation data of the bridge, can be used for monitoring the problems of bridge pier settlement, bridge tower or bridge pier inclination, bridge deflection and the like on line, is convenient to network, is suitable for expanding the monitoring scale at high cost performance, and can also relieve the problem of difficult data fusion caused by various sensors.
Drawings
Fig. 1 is the utility model discloses bridge deformation on-line monitoring system's based on MEMS gyroscope system structure sketch map.
Fig. 2 is the utility model discloses bridge deformation on-line monitoring system's based on MEMS gyroscope data monitoring device's schematic structure.
Fig. 3 is a connection diagram of the main control chip amplifying circuit in the data monitoring device of the present invention.
Fig. 4 is a connection diagram of the power management circuit amplifying circuit in the data monitoring device of the present invention.
Fig. 5 is the amplifying circuit connection diagram of NB master chip, USIM circuit, MCU reset circuit and power control circuit in the data monitoring device of the present invention.
Fig. 6 is the amplification circuit connection diagram of the GPS master chip, the GPS reset circuit and the LDO circuit in the data monitoring device.
In the drawing, the data monitoring device 1, the main control chip 11, the MEMS gyroscope 12, the NB circuit 13, the NB master chip 131, the USIM circuit 132, the MCU reset circuit 133, the power control circuit 134, the GPS circuit 14, the GPS master chip 141, the GPS reset circuit 142, the LDO circuit 143, the power circuit 15, the power management circuit 151, the battery 152, the communication gateway 2, the operator server 3, and the monitoring management center 4.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the bridge deformation online monitoring system based on the MEMS gyroscope includes a data monitoring device 1, a communication gateway 2, an operator server 3, and a monitoring management center 4; the data monitoring device 1 acquires real-time deformation data of the bridge, sends the real-time deformation data to the communication gateway 2, and sends the real-time deformation data to the monitoring management center 4 through the operator server 3 by the communication gateway 2;
as shown in fig. 2, the data monitoring device includes a main control chip 11, a MEMS gyroscope 12, a power circuit 15, a GPS circuit 14, and an NB circuit 13, where the main control chip 11 is connected to the MEMS gyroscope 12, the power circuit 15, the GPS circuit 14, and the NB circuit 13, respectively; the main control chip 11 acquires the inclination speed and the self acceleration data of the MEMS gyroscope 12, obtains an inclination angle theta through integral calculation, and obtains real-time deformation data of the bridge through calculation by combining with a bridge deformation model; the GPS circuit 14 and the NB circuit 13 are used for wireless communication.
In this embodiment, the power circuit 15 includes a battery 152 and a power management circuit 151, and the power management circuit 151 is connected to the main control chip 11 through the battery 152.
In this embodiment, the NB circuit 13 includes an NB master chip 131, a USIM circuit 132, an MCU reset circuit 133, and a power control circuit 134, and the NB master chip 131 is connected to the main control chip 11, the USIM circuit 132, the MCU reset circuit 133, and the power control circuit 134, respectively.
In this embodiment, the GPS circuit 14 includes a GPS main chip 141, an LDO circuit 143, and a GPS reset circuit 142, and the GPS main chip 141 is connected to the main control chip 11, the LDO circuit 143, and the GPS reset circuit 142, respectively.
In this embodiment, the battery 152 is connected to the GPS main chip 141.
As shown in fig. 3, the main control chip 11 includes a first chip U1, tenth to twelfth resistors R10-R12, a seventeenth capacitor C17, a twenty-first capacitor C21, a twenty-third capacitor C23, and a crystal oscillator. In this embodiment, the first chip U1 adopts STM32F103RET6, the size of a tenth resistor R10 is 100, the size of an eleventh resistor R11 is 10K, the size of a twelfth resistor R12 is 100, the size of a seventeenth capacitor C17 is 104, the size of a twenty-first capacitor C21 is 104, the size of a twenty-third capacitor C23 is 104, and the size of a crystal oscillator is 8 MHz.
As shown in fig. 4, the power management circuit 151 includes a sixth chip U6, a thirty-third resistor R33, a thirty-fourth resistor R34, a third LED light LED3, and a twenty-first capacitor C21, and the sixth chip employs an XT4054 chip. In this embodiment, the size of the thirty-third resistor R33 is 1K, the size of the thirty-fourth resistor R34 is 4K, and the third LED lamp LED3 is a single-color red LED lamp.
As shown in fig. 5, the NB master chip 131 includes a first chip U1, second to fifth capacitors C2-C5, second to tenth resistors R2-R10, and thirteenth to fifteenth resistors R13-R15; the USIM circuit 132 includes a chip U1, a chip SIM, sixth to ninth capacitors C6-C9; the MCU reset circuit 133 includes a second transistor Q3; the power control circuit 134 includes a fourth fet Q4 and a nineteenth resistor R19. In this embodiment, the size of the second capacitor C2 is 100uF, the size of the third capacitor C3 is 21uF, the size of the fourth capacitor C4 is 100pF, the size of the fifth capacitor C5 is 22pF, the sizes of the second resistor R2, the third resistor R3 and the fourth resistor R4 are 22, the sizes of the fifth resistor R5, the sixth resistor R6, the seventh resistor R7 and the eighth resistor R8 are 1K/± 5% Ω, and the sizes of the ninth resistor R9 and the tenth resistor R10 are 10K/± 5% Ω; the sizes of the sixth capacitor C6 and the seventh capacitor C7 are both 33pF, the size of the eighth capacitor C8 is 0.1uF, and the size of the ninth capacitor C9 is 33 pF; the second triode Q3 adopts DTC143 ZE; the fourth field effect transistor Q4 adopts AO3401A, and the size of a nineteenth resistor R19 is 100K/+/-5% omega; the circuit mainly completes NB network transmission functions, adopts a NBiot module NB86-G of Lierda, and completes AT instruction interaction with a main CPU by adopting a UART interface.
As shown in fig. 6, the GPS main chip 141 includes a fifth chip U5, twenty-eighth to thirty-first resistors R28-R31, a first inductor FB1, a second inductor FB2, a nineteenth capacitor C19, and a twentieth capacitor C20; the LDO circuit 142 comprises a seventh chip U7, a twenty-second capacitor C22, a twenty-third capacitor C23 and a forty-first resistor R41, the seventh chip is an RS3219-3.3YCS chip; the GPS reset circuit 143 includes an eighth transistor Q8. In this embodiment, N305-3 is adopted as the fifth chip U5, the size of the twenty-eighth resistor R28 is 1K/± 5% Ω, the size of the twenty-ninth resistor R29 is 1K/± 5% Ω, the size of the thirty-third resistor R30 is 1K/± 5% Ω, the size of the thirty-first resistor R31 is 1K/± 5% Ω, both the first inductor FB1 and the second inductor FB2 are 100M/240ohm, the size of the twenty-third capacitor C20 is 100nF/16V/± 10%, the size of the forty-first resistor R41 is 100K, and the eighth triode Q8 adopts DTC143 ZE; the circuit mainly finishes position information acquisition, adopts a domestic Thai bucket N305-3 module, is very simple and practical by using a peripheral circuit, is connected with a main CPU by adopting a UART (universal asynchronous receiver transmitter), finishes power supply by using a 3.3V LDO (low dropout regulator) chip RS3219-3.3YCS chip with controllable output, and can be used when the module is required to be determined to work, and the main CPU controls the LDO chip to be electrified.
The utility model discloses a data monitoring devices acquires the real-time deformation data of bridge, sends communication gateway, sends to the control management center through the operator server by communication gateway. By adopting the MEMS gyroscope technology, the method is economical, cheap and energy-saving, can quickly and accurately acquire the deformation data of the bridge, can be used for monitoring the problems of bridge pier settlement, bridge tower or bridge pier inclination, bridge deflection and the like on line, is convenient to network, is suitable for expanding the monitoring scale at high cost performance, and can also relieve the problem of difficult data fusion caused by various sensors.
The present invention relates to a bridge deformation on-line monitoring system based on MEMS gyroscope, which may be implemented by using a practical software, but the software used by the system is the software most commonly used by those skilled in the art, and is not the scope of the claims of the patent application.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (7)
1. The bridge deformation online monitoring system based on the MEMS gyroscope is characterized by comprising a data monitoring device, a communication gateway, an operator server and a monitoring management center; the data monitoring device acquires real-time deformation data of the bridge, sends the real-time deformation data to the communication gateway, and sends the real-time deformation data to the monitoring management center through the operator server by the communication gateway; the data monitoring device comprises a main control chip, an MEMS gyroscope, a power supply circuit, a GPS circuit and an NB circuit, wherein the main control chip is respectively connected with the MEMS gyroscope, the power supply circuit, the GPS circuit and the NB circuit; the GPS circuit and the NB circuit are used for wireless communication.
2. The bridge deformation on-line monitoring system based on the MEMS gyroscope of claim 1, wherein the power supply circuit comprises a battery and a power supply management circuit, and the power supply management circuit is connected with the main control chip through the battery.
3. The bridge deformation online monitoring system based on the MEMS gyroscope according to claim 2, wherein the NB circuit comprises an NB main chip, a USIM circuit, an MCU reset circuit and a power control circuit, and the NB main chip is respectively connected with the main control chip, the USIM circuit, the MCU reset circuit and the power control circuit.
4. The bridge deformation on-line monitoring system based on the MEMS gyroscope of claim 3, wherein the GPS circuit comprises a GPS main chip, an LDO circuit and a GPS reset circuit, and the GPS main chip is respectively connected with the main control chip, the LDO circuit and the GPS reset circuit.
5. The bridge deformation on-line monitoring system based on the MEMS gyroscope of claim 4, wherein the battery is connected with the GPS main chip.
6. The bridge deformation on-line monitoring system based on the MEMS gyroscope of claim 5,
the master control chip comprises a first chip U1, tenth to twelfth resistors R10-R12, a seventeenth capacitor C17, a twenty-first capacitor C21, a twenty-third capacitor C23 and a crystal oscillator;
the power management circuit comprises a sixth chip U6, a thirty-third resistor R33, a thirty-fourth resistor R34, a third LED lamp LED3 and a twenty-first capacitor C21, wherein the sixth chip adopts an XT4054 chip;
the NB main chip comprises a first chip U1, second to fifth capacitors C2-C5, second to tenth resistors R2-R10 and thirteenth to fifteenth resistors R13-R15;
the USIM circuit comprises a chip U1, a chip SIM, and sixth to ninth capacitors C6-C9;
the MCU reset circuit comprises a second triode Q3;
the power supply control circuit comprises a fourth field effect transistor Q4 and a nineteenth resistor R19;
the GPS main chip comprises a fifth chip U5, twenty-eighth to thirty-first resistors R28-R31, a first inductor FB1, a second inductor FB2, a nineteenth capacitor C19 and a twentieth capacitor C20;
the LDO circuit comprises a seventh chip U7, a twenty-second capacitor C22, a twenty-third capacitor C23 and a forty-first resistor R41, wherein the seventh chip adopts an RS3219-3.3YCS chip;
the GPS reset circuit includes an eighth transistor Q8.
7. The bridge deformation online monitoring system based on the MEMS gyroscope of claim 6, wherein the third LED lamp is a monochromatic LED lamp.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920924017.4U CN210638689U (en) | 2019-06-19 | 2019-06-19 | Bridge deformation on-line monitoring system based on MEMS gyroscope |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920924017.4U CN210638689U (en) | 2019-06-19 | 2019-06-19 | Bridge deformation on-line monitoring system based on MEMS gyroscope |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117685928A (en) * | 2024-01-31 | 2024-03-12 | 赣州市巨匠工业设计有限公司 | Road and bridge subsides remote monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117685928A (en) * | 2024-01-31 | 2024-03-12 | 赣州市巨匠工业设计有限公司 | Road and bridge subsides remote monitoring system |
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Granted publication date: 20200529 |