CN218272725U

CN218272725U - Engineering integration vibration monitor

Info

Publication number: CN218272725U
Application number: CN202220980775.XU
Authority: CN
Inventors: 杨江; 廖成旺; 邓涛; 陈志高; 林强; 陈玉秀
Original assignee: Wuhan Institute Of Seismologic Instrument Co ltd
Current assignee: Wuhan Institute Of Seismologic Instrument Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2023-01-10
Anticipated expiration: 2032-04-26

Abstract

The utility model provides an engineering integration vibration monitor, including MEMS vibration measuring module, MEMS vibration measuring module and signal processing module electric connection, signal processing module and GPS time service module, power management module and display module electric connection. The utility model provides a pair of engineering integration vibration monitor adopts the high signal processing module of integrated level, and the cooperation sets up GPS time service module and power management module, can realize automatic accurate when getting and long-time power supply ability, still can set up the radio communication function, has improved the efficiency and the stability of open-air earthquake monitoring work.

Description

Engineering integration vibration monitor

Technical Field

The utility model relates to an engineering integration vibration monitor belongs to engineering seismic monitoring technical field.

Background

China is one of the most serious countries of earthquake disasters in the world, and strong vibration observation is one of four foundation stones for earthquake resistance of projects. The integrated seismograph applied to the field of strong earthquake observation in China generally adopts a mechanical force balance accelerometer, has the advantage of high dynamic range (> 145 dB), and is mainly applied to earthquake monitoring of a strong earthquake professional station. In recent years, the application requirement of strong vibration monitoring is continuously expanded, strong vibration monitoring standards are established in various industries such as major engineering (nuclear power stations, reservoir dams, high-speed railways and the like), super high-rise buildings and the like, and compared with earthquake professional stations, the requirement on precision of engineering application requirements is slightly lower, and the characteristics of long-term stability, no maintenance and the like are emphasized.

The traditional integrated strong seismograph mainly has the following defects in engineering vibration monitoring: 1. due to the characteristic of mechanical acceleration pendulum, the instrument has zero drift, needs to be regularly and manually zeroed, and is troublesome to maintain. 2. The instrument does not have long-time backup power supply capacity and cannot continuously work under the condition that an external power supply is interrupted. 3. The instrument does not have a 4G wireless communication function and is not suitable for engineering monitoring sites with poor environments. 4. The instrument has low frequency response and cannot completely meet the requirement of engineering vibration high-frequency monitoring.

Disclosure of Invention

In order to solve the defects of the prior art, the utility model provides an engineering integration vibration monitor adopts the signal processing module that the integrated level is high, and the cooperation sets up GPS (Global Positioning System) time service module and power management module, can realize automatic accurate time of getting and long-time power supply ability, has improved the stability of open-air earthquake monitoring work.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides an engineering integration vibration monitor, including MEMS (Micro-Electro-Mechanical System ) vibration measurement module, MEMS vibration measurement module and signal processing module electric connection, signal processing module and GPS time service module, power management module and display module electric connection.

The signal processing module is integrated with a power supply module, an Advanced RISC Machine (ARM) main control module, a signal conditioning module, an analog-to-digital (AD) conversion module, a single chip microcomputer module and an internal clock module, wherein the ARM main control module, the signal conditioning module, the AD conversion module, the single chip microcomputer module and the internal clock module are powered by the power supply module, the single chip microcomputer module is electrically connected with the ARM main control module, the signal conditioning module, the AD conversion module, the single chip microcomputer module and the internal clock module are sequentially electrically connected, and the signal processing module is further integrated with a control module and a storage module which are electrically connected with the ARM main control module.

The GPS time service module is connected with the singlechip module.

The power management module is electrically connected with the power supply module.

The display module is electrically connected with the ARM main control module.

The signal processing module is also integrated with a wireless communication module which is electrically connected with the ARM main control module and the power supply module.

The display module, the power management module, the GPS time service module, the signal processing module and the MEMS vibration measurement module are stacked and packaged in a box body with a top cover from top to bottom, a battery electrically connected with the power management module is further packaged in the box body, a battery pressing strip is arranged on the battery, the top cover is provided with a display module observation window, leveling screws and leveling water bubbles are arranged at the bottom of the box body, and a power supply interface electrically connected with the power management module is arranged on the box body.

The box body is provided with a communication antenna electrically connected with the wireless communication module.

The box body is provided with an RJ45 interface electrically connected with the signal processing module.

The utility model discloses based on the beneficial effect that its technical scheme had lies in:

the utility model provides a pair of engineering integration vibration monitor adopts the high signal processing module of integrated level, and the cooperation sets up GPS time service module and power management module, can realize automatic accurate when getting and long-time power supply ability, has improved the stability of open-air earthquake monitoring work.

Drawings

Fig. 1 is a schematic diagram of the module connection of an engineering integrated vibration monitor provided by the utility model.

Fig. 2 is the utility model provides an explosion structure schematic diagram of engineering integration vibration monitor.

Fig. 3 is the utility model provides a pair of engineering integration vibration monitor's packaging structure schematic diagram.

In the figure: the device comprises a top cover 1, a display module 2, a battery layering 3, a battery 4, a box 5, a leveling bubble 6, an RJ45 interface 7, a leveling screw 8, a power supply interface 9, a communication antenna 10, an MEMS vibration measurement module 11, a signal processing module 12, a GPS time service module 13 and a power management module 14.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The utility model provides an engineering integration vibration monitor refers to figure 1, including MEMS vibration measuring module, MEMS vibration measuring module and signal processing module electric connection, signal processing module and GPS time service module, power management module and display module electric connection.

The signal processing module is integrated with a power supply module, an ARM main control module, a signal conditioning module, an AD conversion module, a single chip microcomputer module and an internal clock module, wherein the ARM main control module is used for supplying power to the signal processing module, the single chip microcomputer module is electrically connected with the ARM main control module, the signal conditioning module, the AD conversion module, the single chip microcomputer module and the internal clock module are sequentially electrically connected, and the signal processing module is further integrated with a control module and a storage module which are electrically connected with the ARM main control module.

And the GPS time service module is connected with the singlechip module. The power management module is electrically connected with the power supply module. The display module is electrically connected with the ARM main control module.

In the embodiment, the MEMS acceleration sensor adopts a variable-capacitance type used for high-precision strong vibration monitoring in the industry, and compared with the traditional balanced mechanical accelerometer, the MEMS acceleration sensor has low power consumption and does not need zero setting. In the signal processing module, the signal conditioning module is used for power supply processing and circuit protection. The AD conversion module can adopt three 32-bit high-precision ADS1281 analog-to-digital conversion chips, so that the analog-to-digital conversion function of the three-component analog voltage signal is realized. The internal clock module can adopt a multifunctional clock/calendar chip PCF8563 and is used for providing a time label for vibration data acquired by the single chip microcomputer. The wireless communication module can select an LCC (chip carrier) packaging-based SIM7600CE (chip computer) communication module of SIMCOM (simple analog communication) company, has good network compatibility, supports three-network communication, is provided with a GPS (global positioning system) module, can realize the time service and positioning functions of equipment, and can switch two communication modes through a multi-way switch so as to adapt to different application scenes. The power management module is used for charging the battery when the direct current input supplies power, and outputting the power after voltage stabilization to the equipment. The display module can adopt an HC1624-LYH type character liquid crystal display module and is used for displaying information such as equipment model, IP address, triaxial vibration data, trigger parameters and the like.

Referring to fig. 2 and 3, the display module 2, the power management module 14, the GPS time service module 13, the signal processing module 12 and the MEMS vibration measurement module 11 are stacked from top to bottom and are packaged in the case 5 with the top cover 1. The box body can be processed by adopting an all-aluminum shell with IP67 protection grade.

The box body is also packaged with a battery 4 electrically connected with the power management module, the battery is provided with a battery pressing strip 3, the top cover is provided with a display module observation window, the bottom of the box body is provided with a leveling screw 8 and a leveling bubble 6, and the box body is provided with a power supply interface 9 electrically connected with the power management module. The box body is provided with a communication antenna 10 electrically connected with the wireless communication module. The box body is provided with an RJ45 interface 7 electrically connected with the signal processing module for reserving an extended function.

The utility model provides a pair of engineering integration vibration monitor's working process does:

(1) After the system is powered on, initialization setting is carried out, including GPS signal detection, singlechip data detection, storage check of time service processing and the like;

(2) After the system enters a normal working state, establishing TCP/IP communication connection with a data server (a data collecting and processing system and a management service system);

(3) Sampling the high-frequency sampling data of the single chip microcomputer module, carrying out filtering processing at 0.01-80Hz, and carrying out data packing transmission, storage and triggering judgment on the processed data according to different processes;

(4) And when the vibration data exceeds the alarm threshold value, controlling the alarm lamp and the display screen to be lightened, and outputting a control signal. Meanwhile, alarm parameters (trigger time, PGA peak value, instrument intensity and the like) are transmitted to the data collection and processing system.

The utility model provides a pair of engineering integration vibration monitor adopts the high signal processing module of integrated level, and the cooperation sets up GPS time service module and power management module, can realize automatic accurate when getting and long-time power supply ability, still can set up the wireless communication function, has improved the efficiency and the stability of open-air earthquake monitoring work.

Claims

1. The utility model provides an engineering integration vibration monitor, includes MEMS vibration measuring module, its characterized in that: the MEMS vibration measurement module is electrically connected with the signal processing module, the signal processing module is electrically connected with the GPS time service module, the power management module and the display module, the signal processing module is integrated with a power supply module and an ARM main control module powered by the power supply module, the signal conditioning module, an AD conversion module, a single chip microcomputer module and an internal clock module, the single chip microcomputer module is electrically connected with the ARM main control module, the signal conditioning module, the AD conversion module, the single chip microcomputer module and the internal clock module are sequentially electrically connected, the signal processing module is further integrated with a control module and a storage module which are electrically connected with the ARM main control module, the signal processing module is further integrated with a wireless communication module which is electrically connected with the ARM main control module and the power supply module, the display module (2), the power management module (14), the GPS time service module (13), the signal processing module (12) and the MEMS vibration measurement module (11) are stacked in a box body (5) with a top cover (1) from bottom to bottom, a battery (4) which is electrically connected with the power management module is further packaged in the box body, a leveling module (9) which is electrically connected with the power supply module is arranged on the battery, and a leveling module is arranged on the top cover.

2. The vibration monitor of claim 1, wherein: and the GPS time service module is connected with the singlechip module.

3. The vibration monitor of claim 1, wherein: the power management module is electrically connected with the power supply module.

4. The vibration monitor of claim 1, wherein: the display module is electrically connected with the ARM main control module.

5. The vibration monitor of claim 1, wherein: the box body is provided with a communication antenna (10) electrically connected with the wireless communication module.

6. The vibration monitor of claim 5, wherein: the box body is provided with an RJ45 interface (7) which is electrically connected with the signal processing module.