CN213120638U - Small-size wireless built-in power supply monitoring devices and early warning system - Google Patents
Small-size wireless built-in power supply monitoring devices and early warning system Download PDFInfo
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- CN213120638U CN213120638U CN202021732778.9U CN202021732778U CN213120638U CN 213120638 U CN213120638 U CN 213120638U CN 202021732778 U CN202021732778 U CN 202021732778U CN 213120638 U CN213120638 U CN 213120638U
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Abstract
The utility model discloses a small-size wireless built-in power supply monitoring devices and early warning system belongs to safety monitoring thing networking technology field, solves that current monitoring system is bulky, to application environment and installation and debugging problem that requires highly. The utility model discloses a circuit board, set up on the circuit board, the sensor of a plurality of supporting low-power consumptions for gather the monitoring data of each sensor monitoring, and transmit the monitoring data for the data acquisition transmission module that cloud server carries out the analytic extremely low consumption of transfinite, and give the built-in power module of each sensor, data acquisition transmission module power supply. The utility model is used for monitor and the early warning to bridge, tunnel isotructure.
Description
Technical Field
A small wireless built-in power supply monitoring device and an early warning system are used for monitoring and early warning structures such as bridges and tunnels and belong to the technical field of safety monitoring Internet of things.
Background
Along with the continuous development of economy, the traffic of China is increasingly busy, and structures such as bridges, tunnels and the like are increasingly increased, and the structures can possibly generate degradation and damage accumulation in different degrees under the long-term action of natural factors such as traffic load, climate, environment and the like; in addition, the structure has the problems of inadequate management, traffic accidents, natural disasters and the like in the operation process. These adverse factors necessarily affect the safety and durability of structures such as bridges, tunnels, etc. If the deterioration and damage of the structure performance can not be found in time and reasonably maintained and repaired, the normal use of the structure is influenced, and the service life of the structure is shortened, even sudden damage, collapse and other major accidents are caused.
At present, a monitoring system for the construction of complex structures such as bridges and tunnels and very large and medium-sized buildings usually has the characteristics of being large and complete, adopts numerous sensors and centralized collection, has high requirements on application environment and installation and debugging, and is specifically as follows:
(1) the solar panel is required to be supplied with alternating current or a plurality of solar panels and matched batteries are required to be hung for power supply;
(2) a wired private network is required to be arranged for data transmission;
(3) the more installation work load of cable is big, and centralized collection is high to debugging personnel technical requirement, and the cost is big. And the small-sized structures such as numerous small-sized bridges, culverts and the like scattered on roads in provinces, cities and counties and villages have the problems of remote places and poor environment (the nearby small-sized structures do not have an alternating current power supply and a wired network, the cost of laying special cables is high, the rainy and foggy solar energy in southwest areas is difficult to continuously supply power, and a single wireless network signal is not good), and special technicians have high installation and debugging cost and long road consumption time before going, so the small-sized structures are in blank areas of automatic and intelligent monitoring, but the small-sized structures are very long in the year and the year, inconvenient to maintain, unaccepted and out of place, easily have accident potential and threaten the life and property safety of people.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a small-size wireless built-in power supply monitoring devices and early warning system, solve current monitoring system bulky, to application environment and the high problem of installation and debugging requirement.
In order to realize the purpose, the utility model discloses a technical scheme be:
the utility model provides a small-size wireless built-in power supply monitoring devices, includes the circuit board, sets up on the circuit board, the sensor of a plurality of supporting low-power consumptions for gather the monitoring data of each sensor monitoring, and give the data acquisition transmission module of the extremely low-power consumption that cloud server carries out transfinite analysis with monitoring data transmission, and give the built-in power module of each sensor, data acquisition transmission module power supply.
Furthermore, the plurality of matched sensors with low power consumption comprise a stress sensor, an inclination sensor, a deflection sensor, an acceleration sensor, a crack monitoring sensor and a miniature camera, and each sensor is connected with the circuit board through a super capacitor arranged at the tail end.
Furthermore, the data acquisition and transmission module comprises an acquisition module, the acquisition module comprises a plurality of interfaces, and each interface corresponds to each sensor one by one; and the transmission module is used for transmitting the monitoring data acquired by each interface of the acquisition module.
Further, each sensor and the data acquisition and transmission module are integrated, when each sensor and the data acquisition and transmission module are static, the average power consumption is 0.2 microampere, and when the sensor and the data acquisition and transmission module work, the average power consumption is 100 milliamperes, wherein the average power consumption of all the sensors is 20 milliamperes, and the average power consumption of the data acquisition and transmission module is 80 milliamperes.
Further, the data acquisition and transmission module comprises a single chip microcomputer, an analog conditioning circuit, an analog-to-digital conversion circuit and a transmission module, wherein the analog conditioning circuit is connected with the single chip microcomputer and is used for acquiring monitoring data monitored by each sensor;
the analog-to-digital conversion circuit comprises a voltage stabilizing circuit connected with the built-in power supply module, a driving amplifying circuit connected with the output end of the voltage stabilizing circuit and used for providing amplified voltage for each sensor, and an analog-to-digital converter connected with the output end of the analog conditioning circuit.
Further, the built-in power supply module comprises a low-voltage power supply battery and a low-voltage power supply circuit for supplying power to the singlechip, a high-voltage power supply battery and a high-voltage power supply circuit for supplying power to the analog conditioning circuit, the analog-to-digital conversion circuit and the transmission module, and a battery voltage measuring circuit which is connected with the singlechip and used for measuring the electric quantity of the low-voltage power supply battery and the high-voltage power supply battery;
the high-voltage power supply circuit comprises a voltage interface enabling circuit, a battery pack to 4.2V circuit which is connected with the output end of the voltage interface enabling circuit and supplies power to the transmission module, and a battery pack to 5V circuit which is connected with the output end of the voltage interface enabling circuit and supplies power to the analog conditioning circuit and the analog-to-digital conversion circuit.
Further, the transmission module is adapted to NB-loT, 5G, 4G, 3G and GPRS wireless networks for wireless data transmission.
Furthermore, the low-voltage power supply battery is a low-voltage lithium sub-battery of 3.3V-3.6V, and the high-voltage power supply battery is a high-voltage lithium sub-battery of 12V-15V and a nano-vibration generator for supplementary power generation.
A small wireless built-in power supply monitoring and early warning system comprises a small wireless built-in power supply monitoring device, an audible and visual alarm module and a cloud server;
the cloud server is used for receiving the monitoring data transmitted by the data acquisition and transmission module, performing overrun analysis on the monitoring data after receiving the monitoring data, and feeding the analyzed overrun information back to the acousto-optic alarm module for on-site early warning.
Further, the cloud server is used for storing monitoring data;
the monitoring data analysis module is used for analyzing the monitoring data and alarming the analyzed over-limit monitoring data by adopting a short message and an APP;
the monitoring data is displayed visually;
the wireless built-in power supply monitoring device is used for sending a working instruction to the small wireless built-in power supply monitoring device.
Compared with the prior art, the utility model has the advantages of:
one, the utility model discloses a small, through the sensor that adopts the low-power consumption, and with monitoring data acquisition in the data acquisition transmission module extremely low with transmission power consumption control, multiunit dry battery (indicate low pressure lithium subcell and high pressure lithium subcell promptly) in the built-in power module in coordination with the power supply and reach the purpose of the ultralow consumption of system, and supply the built-in power supply mode of electricity generation through reserving nanometer vibration generator, can accomplish under normal monitoring frequency, need not external power supply devices such as external alternating current power supply or solar energy in three years and supply power.
Second, the utility model provides a transmission module has multiple wireless networks such as NB-loT, 5G, 4G, 3G and GPRS, can be suitable for multiple wireless network, but automatic adaptation to stable available wireless network.
Three, the utility model discloses integrating collection module, transmission module and each sensor, miniaturizing, modularization, conveniently carrying, simple installation (as long as it is good to adopt supporting component to fix at the monitoring position), be applicable to the distributed safety monitoring of structure thing, also can dispose the emergent monitoring that is used for calamity and accident scene fast.
Four, the utility model discloses assemble in advance before dispatching from the factory and debug in advance, on-the-spot key starts, and the data goes up the cloud, need not the debugging, has reduced installation and debugging technical requirement, becomes the usable universality product of people with professional monitoring device.
Fifthly, the utility model discloses can be used to monitor structures such as the small-size bridge or the side slope that the department is remote, the acousto-optic warning device (setting is outside small-size wireless built-in power supply monitoring devices, also by the power supply of built-in power supply module, because acousto-optic warning device consumption is great, can follow-up power supply time that can significantly reduce after the warning, need change battery equipment side after the warning and can continue to use), when monitoring data transfinites and endangers structure safety, the on-the-spot warning in time, avoid the human body property safety impaired as far as possible.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.
Fig. 1 is a schematic diagram of the framework of the present invention;
fig. 2 is a single chip microcomputer of the data acquisition and transmission module of the present invention;
fig. 3 is the utility model discloses well data acquisition transmission module's analog conditioning circuit, the analog conditioning circuit in the picture includes 4 bridge type sensor channels, welds the not equidimension resistance modulation magnification in each bridge type sensor channel, can realize the measurement of two kinds of sensors, "? "represents resistors of optionally different sizes;
fig. 4 is the analog-to-digital conversion circuit of the middle data acquisition and transmission module of the present invention.
Fig. 5 is a circuit of the power supply module built in the present invention, i.e. a system power circuit;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention.
Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
As shown in fig. 1, a small wireless built-in power supply monitoring device includes a circuit board, a plurality of sensors with low power consumption, a data acquisition and transmission module with extremely low power consumption, and a built-in power supply module for supplying power to each sensor and the data acquisition and transmission module, wherein the sensors are arranged on the circuit board, and the sensors are matched with each other, and the data acquisition and transmission module is used for acquiring monitoring data monitored by each sensor and transmitting the monitoring data to a cloud server for overrun analysis.
The plurality of matched low-power-consumption sensors comprise stress sensors, inclination sensors, deflection sensors, acceleration sensors, crack monitoring sensors and miniature cameras, and can also comprise other sensors, the sensors are selectively installed according to monitoring requirements, and each sensor is provided with a super capacitor, namely the super capacitor is arranged on the basis of the existing sensors and is connected with a circuit board. Sensor 1 in fig. 1 can be represented as a stress sensor, sensor 2 as an inclination sensor, sensor 3 as a deflection sensor, sensor 4 as an acceleration sensor, and so on, sensor n corresponding to the sensors represented above.
The data acquisition and transmission module comprises an acquisition module, the acquisition module comprises a plurality of interfaces, and each interface corresponds to each sensor one by one; and the transmission module is used for transmitting the monitoring data acquired by each interface of the acquisition module, and is suitable for wireless data transmission by wireless networks such as NB-loT, 5G, 4G, 3G, GPRS and the like.
Each sensor and the data acquisition and transmission module are integrated, when each sensor and the data acquisition and transmission module are static, the average power consumption is 0.2 microampere, and when the sensors and the data acquisition and transmission module work, the average power consumption is 100 milliamperes, wherein the average power consumption of all the sensors is 20 milliamperes, and the average power consumption of the data acquisition and transmission module is 80 milliamperes. Each sensor and the data acquisition and transmission module receive instructions to work and are in a static state when not working.
As shown in fig. 2-4, the data acquisition and transmission module includes a single chip, an analog conditioning circuit connected to the single chip and configured to acquire monitoring data monitored by each sensor, an analog-to-digital conversion circuit connected to an output end of the analog conditioning circuit and configured to perform analog-to-digital conversion on the monitoring data, and a transmission module connected to an output end of the analog-to-digital conversion circuit and configured to transmit the converted monitoring data, where the transmission module is an existing circuit and a circuit diagram thereof is not shown;
the circuit of the single chip microcomputer is shown in fig. 2, and of course, other single chip microcomputers capable of realizing corresponding functions in the prior art can also be adopted; the analog conditioning circuit is shown in fig. 3, but other analog conditioning circuits in the prior art that can achieve the corresponding functions can be adopted.
The analog-to-digital conversion circuit comprises a voltage stabilizing circuit connected with the built-in power supply module, a driving amplifying circuit connected with the output end of the voltage stabilizing circuit and used for providing amplified voltage for each sensor, and an analog-to-digital converter connected with the output end of the analog conditioning circuit.
In the prior art, the voltage output by the voltage stabilizing circuit cannot drive each sensor, so that a drive amplifying circuit is added in the analog-to-digital conversion circuit, VREF2.5V output by the voltage stabilizing circuit is amplified by the drive amplifying circuit and then outputs 5V, and the drive amplifying circuit can adopt a circuit shown in fig. 4 or other existing drive amplifying circuits which can realize corresponding functions.
The analog-to-digital converter adopts an AD7794 analog-to-digital converter, and of course, other analog-to-digital converters capable of realizing corresponding functions can also be adopted.
As shown in fig. 5, the built-in power supply module includes a low-voltage power supply battery and a low-voltage power supply circuit for supplying power to the single chip microcomputer, a high-voltage power supply battery and a high-voltage power supply circuit for supplying power to the analog conditioning circuit, the analog-to-digital conversion circuit and the transmission module, and a battery voltage measuring circuit connected to the single chip microcomputer and used for measuring the electric quantities of the low-voltage power supply battery and the high-voltage power supply battery;
the low-voltage power supply battery is a low-voltage lithium sub-battery of 3.3V-3.6V, and the high-voltage power supply battery is a high-voltage lithium sub-battery of 12V-15V and a nano vibration generator for supplementary power generation. FIG. 5 (1) BAT3.3V is a schematic diagram of a low-voltage power supply circuit using a 3.3V low-voltage lithium subcell.
The high-voltage power supply circuit comprises a voltage interface enabling circuit, a battery pack to 4.2V circuit which is connected with the output end of the voltage interface enabling circuit and supplies power to the transmission module, and a battery pack to 5V circuit which is connected with the output end of the voltage interface enabling circuit and supplies power to the analog conditioning circuit and the analog-to-digital conversion circuit. As shown in fig. 5, (2) the battery pack is switched to 4.2V, and (3) the battery pack is switched to 5V and 12V voltage interfaces to enable the high-voltage power circuit adopting the 12V high-voltage power supply battery.
The singlechip in the small wireless built-in power supply monitoring device always processes the working state, and the transmission module, the analog conditioning circuit and the analog-to-digital conversion circuit are controlled to work in a timing mode through a clock in the singlechip, so that the high-voltage conversion circuit does not work under the normal condition, and only works when the transmission module, the analog conditioning circuit and the analog-to-digital conversion circuit are started.
Through each sensor, data acquisition transmission module and built-in power module after improving, can accomplish under normal monitoring frequency, need not external power supply or external power supply unit power supplies such as solar energy within three years.
As shown in fig. 1, a small wireless built-in power supply monitoring and early warning system comprises a small wireless built-in power supply monitoring device, an audible and visual alarm module and a cloud server;
the cloud server is used for receiving the monitoring data transmitted by the data acquisition and transmission module, performing overrun analysis (the analysis is conventional) on the monitoring data after the monitoring data are received, and feeding the analyzed overrun information back to the sound-light alarm module for field early warning, wherein the sound-light alarm module is powered by other power supply equipment.
The cloud server is used for storing monitoring data;
the monitoring data analysis module is used for analyzing the monitoring data and alarming the analyzed over-limit monitoring data by adopting a short message and an APP;
the monitoring data is displayed visually;
the wireless built-in power supply monitoring device is used for sending a working instruction to the small wireless built-in power supply monitoring device.
Examples
The utility model relates to a wireless, small-sized, modularized bridge without external power supply, tunnel and other structures safety monitoring device, install the small-sized wireless built-in power supply monitoring device at the monitoring position of the bridge, tunnel and other structures, the small-sized wireless built-in power supply monitoring device receives the instruction of a cloud server and starts each transmitter and a data acquisition transmission module, the built-in power supply module supplies power to each sensor and the data acquisition transmission module at the moment, each sensor starts to acquire the monitoring data of each monitoring position, such as stress sensor is used for monitoring the additional force born on the unit area of the monitoring position, an inclined sensor is used for monitoring the horizontal angle change of the monitoring position, a deflection sensor is used for monitoring the linear displacement of the monitoring position in the direction perpendicular to the axis when the stress or the non-uniform temperature change, and an acceleration sensor is used for monitoring the acceleration of the monitoring position, the crack monitoring sensor is used for monitoring the crack condition of the monitored part, and the miniature camera is used for acquiring the image of the monitored part; after monitoring data is monitored by each sensor, relevant monitoring data can be collected by each interface of the collection module, the monitoring data is transmitted to the cloud server through the transmission module, the cloud server stores the collected monitoring data and analyzes the monitoring data, whether the monitoring data exceeds a given range value is judged, if the monitoring data exceeds the given range value (namely exceeds the limit), an overrun signal is fed back to the sound-light alarm module to carry out on-site alarm, the detour of passing vehicle personnel is prompted, before the arrival of maintenance personnel, the personal and property safety of the on-site personnel can be guaranteed, the cloud server can also carry out alarm through short messages and the existing APP, maintenance information can be rapidly received by the maintenance personnel conveniently, and the cloud server can also carry out visual display on the received monitoring data.
Claims (9)
1. The utility model provides a small-size wireless built-in power supply monitoring devices which characterized in that: the cloud server comprises a circuit board, a plurality of matched low-power-consumption sensors, an extremely-low-power-consumption data acquisition and transmission module and a built-in power supply module, wherein the circuit board is arranged on the circuit board, and the extremely-low-power-consumption data acquisition and transmission module is used for acquiring monitoring data monitored by each sensor and transmitting the monitoring data to the cloud server for overrun analysis; the data acquisition and transmission module comprises a single chip microcomputer, an analog conditioning circuit, an analog-to-digital conversion circuit and a transmission module, wherein the analog conditioning circuit is connected with the single chip microcomputer and is used for acquiring monitoring data monitored by each sensor;
the analog-to-digital conversion circuit comprises a voltage stabilizing circuit connected with the built-in power supply module, a driving amplifying circuit connected with the output end of the voltage stabilizing circuit and used for providing amplified voltage for each sensor, and an analog-to-digital converter connected with the output end of the analog conditioning circuit.
2. A small wireless built-in power supply monitoring device according to claim 1, characterized in that: the sensors with low power consumption comprise a stress sensor, an inclination sensor, a deflection sensor, an acceleration sensor, a crack monitoring sensor and a miniature camera, and each sensor is connected with the circuit board through a super capacitor arranged at the tail end.
3. A small wireless built-in power supply monitoring device according to claim 1, characterized in that: the data acquisition and transmission module comprises an acquisition module, the acquisition module comprises a plurality of interfaces, and each interface corresponds to each sensor one by one; and the transmission module is used for transmitting the monitoring data acquired by each interface of the acquisition module.
4. A small wireless built-in power supply monitoring device according to claim 3, characterized in that: each sensor and the data acquisition and transmission module are integrated, when each sensor and the data acquisition and transmission module are static, the average power consumption is 0.2 microampere, and when the sensors and the data acquisition and transmission module work, the average power consumption is 100 milliamperes, wherein the average power consumption of all the sensors is 20 milliamperes, and the average power consumption of the data acquisition and transmission module is 80 milliamperes.
5. A small wireless built-in power supply monitoring device according to claim 1, characterized in that: the built-in power supply module comprises a low-voltage power supply battery and a low-voltage power supply circuit which supply power to the singlechip, a high-voltage power supply battery and a high-voltage power supply circuit which supply power to the analog conditioning circuit, the analog-to-digital conversion circuit and the transmission module, and a battery voltage measuring circuit which is connected with the singlechip and is used for measuring the electric quantity of the low-voltage power supply battery and the high-voltage power supply battery;
the high-voltage power supply circuit comprises a voltage interface enabling circuit, a battery pack to 4.2V circuit which is connected with the output end of the voltage interface enabling circuit and supplies power to the transmission module, and a battery pack to 5V circuit which is connected with the output end of the voltage interface enabling circuit and supplies power to the analog conditioning circuit and the analog-to-digital conversion circuit.
6. A small wireless built-in power supply monitoring device according to claim 3, characterized in that: the transmission module is suitable for wireless data transmission by NB-loT, 5G, 4G, 3G and GPRS wireless networks.
7. A small wireless built-in power supply monitoring device according to claim 5, characterized in that: the low-voltage power supply battery is a low-voltage lithium sub-battery of 3.3V-3.6V, and the high-voltage power supply battery is a high-voltage lithium sub-battery of 12V-15V and a nano vibration generator for supplementary power generation.
8. The utility model provides a small-size wireless built-in power supply monitoring early warning system which characterized in that: the small wireless built-in power supply monitoring device comprises the small wireless built-in power supply monitoring device, an acousto-optic alarm module and a cloud server, wherein the small wireless built-in power supply monitoring device comprises the small wireless built-in power supply monitoring device, the acousto-optic alarm module and the cloud server;
the cloud server is used for receiving the monitoring data transmitted by the data acquisition and transmission module, performing overrun analysis on the monitoring data after receiving the monitoring data, and feeding the analyzed overrun information back to the acousto-optic alarm module for on-site early warning.
9. The small wireless built-in power supply monitoring and early warning system according to claim 8, wherein: the cloud server is used for storing monitoring data;
the monitoring data analysis module is used for analyzing the monitoring data and alarming the analyzed over-limit monitoring data by adopting a short message and an APP;
the monitoring data is displayed visually;
the wireless built-in power supply monitoring device is used for sending a working instruction to the small wireless built-in power supply monitoring device.
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| CN113607213A (en) * | 2021-07-29 | 2021-11-05 | 西南交通大学 | Engineering structure monitoring device and system and engineering structure monitoring data collection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113607213A (en) * | 2021-07-29 | 2021-11-05 | 西南交通大学 | Engineering structure monitoring device and system and engineering structure monitoring data collection method |
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