CN211653165U - Earthquake intensity meter based on open source platform - Google Patents
Earthquake intensity meter based on open source platform Download PDFInfo
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- CN211653165U CN211653165U CN201821551593.0U CN201821551593U CN211653165U CN 211653165 U CN211653165 U CN 211653165U CN 201821551593 U CN201821551593 U CN 201821551593U CN 211653165 U CN211653165 U CN 211653165U
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Abstract
The embodiment of the utility model provides an earthquake intensity meter based on open source platform. The seismic intensity meter includes: the system comprises an SD card, an SD card expansion board, a microcontroller, an acceleration sensor, a position time module, a display and early warning module, a power supply module and a communication module; the SD card expansion board is respectively connected with the SD card, the microcontroller, the acceleration sensor, the position time module, the display module, the early warning module, the communication module and the power supply module. The embodiment of the utility model provides a carry out real-time storage to the earthquake intensity value and the time of earthquake and positional information who acquires through SD card and SD card expansion board, and show earthquake intensity value and time of earthquake and position through display module, conveniently observe the earthquake's condition in real time, and send the buzzing sound through early warning module and provide the early warning to personnel on every side, still supply power for whole earthquake intensity meter through power module, can realize earthquake intensity meter autonomous working, and can pass to the platform net through communication module with data and be used for drawing real-time intensity influence picture.
Description
Technical Field
The embodiment of the utility model provides a relate to earthquake prediction technical field, especially relate to an earthquake intensity meter based on open source platform.
Background
The earthquake intensity is used for calibrating the intensity of vibration and influence thereof caused by an earthquake, and the earthquake intensity is generally judged macroscopically according to the damage condition of a house and the earth surface after the earthquake and the reaction of people and objects during the earthquake, so that the judged earthquake intensity has certain subjectivity. With the development of electronic engineering technology, seismic intensity instruments are gradually applied to seismic intensity determination. The instrument for judging the seismic intensity is an intensity table network consisting of seismic intensity meters. Traditional commercial earthquake intensity meter precision is high and powerful, but this type of system use complicacy and cost are higher, and the complexity of its function and using-way is not suitable for reduce cost and easily development when large-scale intensity early warning system is built, and often because the appearance equipment is more expensive, the station is also comparatively sparse when building a net.
In recent years, researchers at home and abroad research a microcontroller and Micro Electro Mechanical Systems (MEMS) type acceleration measurement system based on an open source electronic platform (Arduino), the manufacturing cost of the acceleration measurement system is only one hundredth of that of the traditional commercial vibration measurement system, the usability of the acceleration measurement system is greatly improved due to the single function of the acceleration measurement system, the defects of high cost and complex use of the traditional commercial vibration measurement system are overcome, and the acceleration measurement system is suitable for the requirements of simple and easy use and low cost in the engineering field, and is particularly suitable for simple intensity calculation.
However, when data acquisition is performed, the conventional native vibration measurement system based on the Arduino microcontroller and the MEMS accelerometer needs to supply power to each component of the system and store data through an acquisition computer, and does not have the built-in intensity calculation and real-time earthquake intensity information display functions. The portable intensity meter in the earthquake intensity station network also needs to get rid of the connection with a collection computer to realize independent work in the using process, can acquire the time and the place of the earthquake occurrence, and uploads the occurrence time, the space position and the intensity of the earthquake to the intensity monitoring station network center in combination with the conversion of the intensity value so as to be used for rapidly drawing the earthquake intensity graph in real time, thereby being beneficial to disaster relief decision and emergency response prejudgment of management departments, and governments can learn the place with the strongest vibration at the first time after the earthquake occurrence to prejudge the place with the most serious damage and casualty, and can purposefully distribute the rescue force to carry out disaster relief.
SUMMERY OF THE UTILITY MODEL
An embodiment of the present invention provides an earthquake intensity meter based on an open source platform that overcomes or at least partially solves the above problems.
The embodiment of the utility model provides an earthquake intensity meter based on open source platform, include: the system comprises an SD card expansion board, an SD card, an acceleration sensor, a position time module, a display module, an early warning module, a communication module, a microcontroller and a power supply module; the SD card expansion board is connected with the SD card; the SD card expansion board is connected with the acceleration sensor; the SD card expansion board is connected with the position time module; the SD card expansion board is connected with the display module; the SD card expansion board is connected with the early warning module; the SD card expansion board is connected with the communication module; the SD card expansion board is connected with the microcontroller; the microcontroller is connected with the power supply module.
Wherein, the early warning module includes: a buzzer module.
Wherein, communication module includes: and a GPRS communication module.
The power supply module comprises a solar power supply module; the solar power supply module comprises a solar panel and an electric energy storage unit; the solar cell panel is connected with the electric energy storage unit; the electric energy storage unit is connected with the microcontroller.
Wherein, microcontroller includes: an Arduino DUE microcontroller or an Arduino UNO microcontroller.
Wherein, the acceleration sensor includes: MMA8151Q acceleration sensor or MMA8152Q acceleration sensor.
Wherein, still include: assembling a box; the SD card expansion board, the SD card, the acceleration sensor, the position time module, the display module, the early warning module, the communication module, the microcontroller and the power supply module are assembled inside the assembly box.
Wherein, the display module includes: a liquid crystal display.
Wherein the location time module includes: and a GPS time service positioning module.
The embodiment of the utility model provides a time and positional information through SD card and SD card expansion board to earthquake intensity value and start vibration are saved, realize the real-time storage of earthquake intensity information, and show earthquake intensity value and vibration start time and position through display module, make things convenient for the earthquake condition of real-time observation, and send the buzzing sound through early warning module and provide the early warning to personnel on every side, still supply power for whole earthquake intensity meter through power module, can realize earthquake intensity meter independent work, and can pass to the platform net through communication module with data and be used for drawing real-time intensity influence picture.
Drawings
Fig. 1 is a schematic structural diagram of an earthquake intensity meter based on an open-source platform according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a solar power supply module provided in the embodiment of the present invention.
In the figure, 1: an SD card expansion board; 2: an SD card; 3: an acceleration sensor; 4: a location time module; 5: a display module; 6: an early warning module; 7: a communication module; 8: a microcontroller; 9: a power supply module; 91: a solar power supply module; 911: a solar panel; 912: an electrical energy storage unit.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Fig. 1 is a schematic structural diagram of an earthquake intensity meter based on an open source platform according to an embodiment of the present invention. As shown in fig. 1, the seismic intensity meter includes: the system comprises an SD card expansion board 1, an SD card 2, an acceleration sensor 3, a position time module 4, a display module 5, an early warning module 6, a communication module 7, a microcontroller 8 and a power supply module 9; wherein:
the SD card expansion board 1 is connected with the SD card 2; the SD card expansion board 1 is connected with an acceleration sensor 3; the SD card expansion board 1 is connected with the position time module 4; the SD card expansion board 1 is connected with the display module 5; the SD card expansion board 1 is connected with the early warning module 6; the SD card expansion board 1 is connected with the communication module 7; the SD card expansion board 1 is connected with the microcontroller 8; the microcontroller 8 is connected to a power supply module 9.
Specifically, the SD card expansion board 1 is connected to the SD card 2 by a card slot or the like. For example, a card slot is provided on the SD card expansion board 1, and the SD card 2 is inserted into the card slot to connect the SD card 2 and the SD card expansion board 1. The SD card expansion board 1 is respectively connected with the acceleration sensor 3, the position time module 4, the display module 5, the early warning module 6, the communication module 7, the microcontroller 8 and the communication module 9 in a pin mode and the like. The microcontroller 8 is connected to the power supply module 9 by means of pins or the like.
The microcontroller 8 is the control module of the entire seismic intensity meter. The microcontroller 8 generates an acquisition instruction through a control program and sends a first acquisition instruction to the acceleration sensor 3; a second acquisition instruction is sent to the position-time module 4. The microcontroller 8 generates a storage instruction by a control program, and sends the first storage instruction and the second storage instruction to the SD card expansion board 1. And the first storage instruction is used for indicating the SD card expansion board 1 to read and store the vibration digital signals acquired by the acceleration sensor 3. The second storage instruction is used for instructing the SD card expansion board 1 to read and store the vibration time and the position information acquired by the position time module 4. The microcontroller 8 generates a third storage instruction by the control program and sends the third storage instruction to the SD card 2. And a third storage instruction, which is used for instructing the SD card 2 to store the vibration digital signal which is stored in the SD card expansion board 1 and satisfies a certain condition, and the vibration time and position information corresponding to the signal.
The acceleration sensor 3 is a sensor capable of measuring acceleration. At least one acquisition unit is distributed on the acceleration sensor 3 and used for acquiring vibration analog signals in two horizontal directions and one vertical direction and performing digital/analog conversion on the vibration analog signals to obtain corresponding vibration digital signals. The acceleration sensor 3 receives the first acquisition instruction sent by the microcontroller 8, acquires the vibration analog signal according to the regulations of the first acquisition instruction on the sampling frequency, the sampling range, the testing direction during sampling, the sensitivity and the like, and performs digital-to-analog conversion on the vibration analog signal to obtain the vibration digital signal.
The position time module 4 receives a second acquisition instruction sent by the microcontroller 8, acquires the time and position information of starting vibration, and sends the time and position information of starting vibration to the SD card expansion board 1. The SD card expansion board 1 reads and stores the acquired vibration digital signal and the time and position information of starting vibration. As an alternative embodiment, the location time module comprises: and a GPS time service positioning module.
The SD card 2 is a new-generation memory device based on a semiconductor flash memory, and mainly includes three types, i.e., an SD card, a MiniSD card, and a MircoSD card. The type and capacity of the SD card are reasonably selected according to needs. The SD card 2 receives the third storage instruction sent by the microcontroller 8, and stores the vibration digital signal and the time and position information of starting vibration that satisfy the conditions according to the third storage instruction. Setting the moment when the intensity of the vibration digital signal is greater than or equal to a first trigger threshold value as a first moment, and storing the vibration signal, the vibration occurrence time and the vibration occurrence position information by the SD card; and after continuously storing for a period of time, setting the intensity of the vibration digital signal to be a second time instance when the intensity of the vibration digital signal is smaller than the first trigger threshold, and stopping storing the vibration digital signal and the time and position information of the vibration by the SD card. For example, the first trigger threshold is set to 1cm/s empirically and reasonably2. When the first moment is, the intensity of the vibration digital signal is more than or equal to 1cm/s2When the SD card starts to store the digital signal of the vibration and the time and position information of starting the vibration; when the second moment, the intensity of the vibration digital signal is less than 1cm/s2When the temperature of the water is higher than the set temperature,the SD card stops storing the vibration digital signal and the time and position information at which the vibration starts.
The microcontroller 8 compares the maximum vibration digital signals of the acceleration signals in two horizontal directions and one vertical direction stored in the SD card from the time period between the first time and the second time as the maximum vibration acceleration value during this time. And converting the vibration acceleration value into an earthquake intensity value according to a corresponding conversion rule. Table 1 is a seismic intensity value and vibration acceleration conversion table. For example, the vibration acceleration value is 22-44cm/s2In between, e.g. 31cm/s2Then its corresponding seismic intensity value is 5 degrees. The microcontroller 8 then sends a fourth storage instruction to the SD card 2 instructing the SD card 2 to store an earthquake intensity value greater than or equal to the second trigger threshold and time and position information to start vibrating.
TABLE 1 conversion Table for earthquake intensity values and vibration accelerations
The display module 5 receives a display instruction of the microcontroller 8 for displaying the earthquake severity value greater than the second trigger threshold value and the time and position information of starting vibration. For example, the second trigger threshold is empirically set to 5 degrees, and the display module 5 displays the earthquake intensity value and the time and location information of the start of vibration when the earthquake intensity value is greater than or equal to 5 degrees. As an alternative embodiment, the display module includes: a liquid crystal display.
The early warning module 6 is used for receiving an early warning instruction of the microcontroller 8. When the earthquake intensity value is larger than or equal to the third trigger threshold value, the early warning module 6 gives an alarm. Wherein the third trigger threshold is reasonably set according to actual needs, for example, the third trigger threshold is set to 7. As an optional embodiment, the early warning module includes: a buzzer module.
The communication module 7 is used for sending the earthquake intensity value stored in the SD card 2 and the time and position information of starting vibration to the console network control system so as to instruct the console network control system to draw a real-time earthquake intensity graph. As an alternative embodiment, the communication module comprises: and a GPRS communication module.
The power supply module 9 supplies electric energy for the operation of the whole earthquake intensity meter. As shown in fig. 1, the power supply module 9 is directly connected to the microcontroller 8, and indirectly connected to the SD card expansion board 1, the SD card 2, the acceleration sensor 3, the position/time module 4, the display module 5, the early warning module 6, and the communication module 7, so as to provide electric energy for the operation of the entire earthquake intensity meter. The power supply module mainly comprises a power generation device and a battery. Common power generation devices include wind power generation devices, mechanical power generation devices, solar power generation devices, and the like. The battery mainly comprises a rechargeable battery and a storage battery. The rechargeable battery is a rechargeable battery with limited charging times and needs to be matched with a charger for use. Common storage batteries include lead-acid batteries, cadmium-nickel batteries, metal oxide batteries, lithium ion batteries, and the like. The type, the combination of the types and the capacity of the power supply modules are reasonably selected according to needs. For example, a solar power supply device is selected as the power supply module, or a lithium battery is selected as the power supply module, or a combination of a solar power supply device and a lithium battery is selected as the power supply module.
The embodiment of the utility model provides a time and positional information through SD card and SD card expansion board to earthquake intensity value and start vibration are saved, realize the real-time storage of earthquake intensity information, and show earthquake intensity value and vibration start time and position through display module, make things convenient for the earthquake condition of real-time observation, and send the buzzing sound through early warning module and provide the early warning to personnel on every side, still supply power for whole earthquake intensity meter through power module, can realize earthquake intensity meter independent work, and can pass to the platform net through communication module with data and be used for drawing real-time intensity influence picture.
On the basis of the above embodiment, as an alternative embodiment, the power supply module includes a solar power supply module; the solar power supply module comprises a solar panel and an electric energy storage unit; the solar cell panel is connected with the electric energy storage unit; the electric energy storage unit is connected with the microcontroller.
Specifically, fig. 2 is a schematic structural diagram of a solar power supply module provided in an embodiment of the present invention. As shown in fig. 2, the solar power supply module 91 is selected to provide electrical power for the operation of the seismic intensity meter. The solar power supply module 91 includes a solar panel 911 and an electric energy storage unit 912. The solar cell panel 911 is a semiconductor sheet that directly generates electricity using sunlight. The solar cell panel is made of photovoltaic materials, and the main photovoltaic materials comprise monocrystalline silicon materials and polycrystalline silicon materials. The common solar cell panel is a photoelectric effect solar cell panel, and the working principle of the common solar cell panel is that sunlight irradiates on a semiconductor p-n junction to form a new hole-electron pair, under the action of a p-n junction electric field, a hole flows from a p region to an n region, an electron flows from the n region to the p region, and a current is formed after a circuit is switched on. The electric energy storage unit 912 stores the electric energy acquired and converted by the solar panel and continuously provides electric energy for the work of the earthquake intensity meter.
The embodiment of the utility model provides a select solar energy power supply module as power module, provide the electric energy for the work of earthquake intensity meter constantly. By collecting and converting solar energy for power supply, solar energy resources can be saved reasonably, limitation that power supply is carried out by relying on a collection computer in the prior art can be avoided, and natural resources are effectively utilized.
On the basis of the above embodiment, as an alternative embodiment, the microcontroller includes: an Arduino DUE microcontroller or an Arduino UNO microcontroller.
Specifically, an Arduino microcontroller is used as the microcontroller. The Arduino microcontroller contains hardware and software. Wherein the hardware is Arduino boards of various models. Software is an integrated development environment that typically includes tools such as code editors, compilers, debuggers, and graphical user interfaces. Firstly, building hardware, and then realizing control of corresponding modules through matched software and implanted control programs. Common Arduino microcontrollers are the Arduino DUE microcontroller and the Arduino UNO microcontroller.
The embodiment of the utility model provides a select for use Arduino DUE microcontroller or Arduino UNO microcontroller as microcontroller, the working method is simple, convenient to use and with low costs.
On the basis of the above embodiment, as an alternative embodiment, the acceleration sensor includes: MMA8151Q acceleration sensor or MMA8152Q acceleration sensor. Specifically, a MEMS acceleration sensor is used as the acceleration sensor. The MEMS acceleration sensor has the characteristics of small volume, light weight, low cost, low power consumption, high reliability, suitability for batch production, easiness in integration and intelligentization realization. Commonly used MEMS acceleration sensors are the MMA8151Q acceleration sensor and the MMA8152Q acceleration sensor.
The embodiment of the utility model provides a choose MMA8151Q acceleration sensor or MMA8152Q acceleration sensor as acceleration sensor, working method is simple, convenient to use and with low costs.
On the basis of the above embodiment, as an optional embodiment, the method further includes: assembling a box; the SD card expansion board, the SD card, the acceleration sensor, the position time module, the display module, the early warning module, the communication module, the microcontroller and the power supply module are assembled inside the assembly box.
Specifically, the SD card expansion board, the SD card, the acceleration sensor, the position time module, the display module, the early warning module, the communication module, the microcontroller and the power supply module are arranged inside the assembly box according to a certain sequence. The utility model discloses do not restrict material, size and the inner structure of dress box, rationally select for use as required. The material of the assembly box is generally an insulating material, and according to experience, plastic is selected as the material of the assembly box.
The embodiment of the utility model provides a through assembling SD card expansion board, SD card, acceleration sensor, position time module, display module, early warning module, communication module, microcontroller and power module in the inside of assembly box for SD card expansion board, SD card, acceleration sensor, position time module, display module, early warning module, communication module, microcontroller and power module equipment become a whole, conveniently use and manage.
The utility model should be explained last: 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 should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. An open source platform based seismic intensity meter, comprising: the system comprises an SD card expansion board, an SD card, an acceleration sensor, a position time module, a display module, an early warning module, a communication module, a microcontroller and a power supply module;
the SD card expansion board is connected with the SD card; the SD card expansion board is connected with the acceleration sensor; the SD card expansion board is connected with the position time module; the SD card expansion board is connected with the display module; the SD card expansion board is connected with the early warning module; the SD card expansion board is connected with the communication module; the SD card expansion board is connected with the microcontroller; the microcontroller is connected with the power supply module;
the seismic intensity meter further comprises: assembling a box; the SD card expansion board, the SD card, the acceleration sensor, the position time module, the display module, the early warning module, the communication module, the microcontroller and the communication module are assembled inside the assembly box.
2. The open source platform-based seismic intensity meter of claim 1, wherein the early warning module comprises: a buzzer module.
3. The open source platform-based seismic intensity meter of claim 1, wherein the communication module comprises: and a GPRS communication module.
4. The open source platform-based seismic intensity meter of claim 1, wherein the power module comprises a solar power module; the solar power supply module comprises a solar panel and an electric energy storage unit; the solar cell panel is connected with the electric energy storage unit; the electric energy storage unit is connected with the microcontroller.
5. The open source platform based seismic intensity meter of claim 1, wherein the microcontroller comprises: an Arduino DUE microcontroller or an Arduino UNO microcontroller.
6. The open source platform based seismic intensity meter of claim 1, wherein the acceleration sensor comprises: MMA8151Q acceleration sensor or MMA8152Q acceleration sensor.
7. The open source platform-based seismic intensity meter of claim 1, wherein the display module comprises: a liquid crystal display.
8. The open source platform-based seismic intensity meter of claim 1, wherein the position-time module comprises: and a GPS time service positioning module.
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| CN201821551593.0U CN211653165U (en) | 2018-09-21 | 2018-09-21 | Earthquake intensity meter based on open source platform |
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| CN201821551593.0U CN211653165U (en) | 2018-09-21 | 2018-09-21 | Earthquake intensity meter based on open source platform |
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