CN115052255A - General object motion analysis system based on intelligent motion sensing terminal - Google Patents
General object motion analysis system based on intelligent motion sensing terminal Download PDFInfo
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Abstract
The invention relates to a general object motion analysis system based on an intelligent motion sensing terminal. The system at least comprises a sensing terminal, a computing terminal and a cloud server. And the sensing terminal acquires data of the target object. And the computing terminal receives the data acquired by the sensing terminal and performs computing analysis on the data acquired by the sensing terminal. And after the computing terminal completes the computing analysis, the computing analysis result is sent to the cloud server. And the cloud server responds to the calculation analysis result of the calculation terminal to perform corresponding management and control. The sensing terminal is at least provided with a processing module, a first acceleration sensing assembly and a second acceleration sensing assembly. The processing module is connected with the first acceleration sensing assembly and the second acceleration sensing assembly through the interface, so that data receiving and power control of the first acceleration sensing assembly and the second acceleration sensing assembly are achieved.
Description
Technical Field
The invention relates to the technical field of sensor detection, in particular to a general object motion analysis system based on an intelligent motion sensing terminal.
Background
As sensor technology develops, more and more sensors are used. But the sensor technology is single in function. In the case of acquiring multiple data, multiple sensors are usually arranged or data acquired by one sensor is mathematically analyzed to obtain multiple data. The motion analysis system based on sensor detection has a great deal of application in the fields of mechanical fault diagnosis, geological disaster monitoring, marine disaster monitoring, civil engineering structure safety monitoring, power transmission line engineering safety monitoring and the like.
For example, patent publication No. CN106840095A discloses a method for improving measurement accuracy of an inclinometer by paralleling a plurality of tilt sensor chips, which includes firstly measuring gravity acceleration tilt data by using a plurality of MEMS tilt sensor chips, improving signal-to-noise ratio of a system by using white noise superposition principle, converting the gravity acceleration value of each axis into an angle value to obtain a high-accuracy tilt value, and drawing a positioning screen on a PCB board to ensure alignment of the axes of each MEMS tilt sensor chip in order to ensure measurement accuracy. The invention only aims at designing a plurality of tilt angle sensor chips, belongs to a plurality of sensors with the same configuration, and can only acquire one parameter. The invention improves the precision but cannot acquire a plurality of parameters simultaneously.
Chinese patent publication No. CN103630170B discloses a portable multi-sensor wireless transmission polling instrument, which comprises: the device comprises an embedded processor, a detection module, a communication module, a power supply module, a storage module and an interaction unit; the detection module comprises: the device comprises a temperature sensor, a rotating speed sensor and a vibration measuring module; the communication module comprises: the USB interface and the ZigBee wireless communication module; the ZigBee wireless communication module comprises: a ZigBee terminal node and a ZigBee coordinator; the interaction unit comprises: a keyboard and a display screen; the detection module, the communication module, the power supply module, the storage module and the interaction unit are all connected with the embedded processor; the temperature sensor adopts a non-contact infrared temperature sensor; the vibration measuring module adopts an SD14N14 vibration sensor; the power module adopts a 9v rechargeable battery; the storage module adopts a Flash memory; the temperature sensor stores data into a Flash memory through an IIC protocol; and the embedded processor sends data to the ZigBee wireless communication module through a uart serial port protocol. The working process comprises the following steps: firstly, acquiring temperature data through a non-contact infrared temperature sensor, and then storing the data into an EEPROM memory through an IIC protocol; then a rotating speed sensor collects rotating speed data, and then a rotating speed value is calculated by utilizing timing counting and stored in an EEPROM memory; then the vibration measurement module measures vibration data through an SD14N14 vibration sensor, and the measured voltage value is subjected to amplification, filtering and A/D conversion processing to calculate vibration data and store the vibration data into an EEPROM memory; and finally, the embedded processor sends the data to the ZigBee wireless communication module through a uart serial port protocol, and then ZigBee terminal nodes in the ZigBee wireless communication module send the data to the ZigBee coordinator and finally upload the data to the server.
The patent with publication number CN106253943B discloses a sensor collector based on loRa technique, and sensor collector includes treater and the data acquisition functional unit, second loRa wireless module, the second timer of being connected with the treater, and the second loRa wireless module among first loRa wireless module in the concentrator subassembly and the sensor collector carries out wireless communication and is connected. The low-power consumption and the high reliability characteristics of the second LoRa wireless module in the sensor collector are utilized, and through the cooperation with a processor and a data acquisition functional unit, the power consumption of each sensor collector is reduced through the switching of three states of power failure, dormancy and work, so that each functional module is in a power failure or dormancy state when not used, and the low power consumption of the wireless sensor is realized under the condition of ensuring the reliability.
The invention discloses a monitoring and early warning device and method for geological disasters of torrential flood and debris flow, which is disclosed in China with the publication number of CN 103745573B. The monitoring and early warning device consists of 1-n numbered field sensing devices and a terminal warning device, wherein the field sensing devices are sequentially arranged from far to near according to the distance from the terminal warning device, and the terminal warning device carries out transmission control and signal acquisition on the field sensing devices. The sensors of the field sensing device are combined by a plurality of sensors, the terminal alarm device collects and controls signals of the field sensing device in a wireless communication relay transmission mode, the power supply control module in the sensing controller of the field sensing device is intermittently controlled according to needs, and the terminal alarm device is in transmission control with the field sensing device in a relay transmission wireless communication mode.
In summary, the prior art has the following disadvantages:
1. the prior art adopts the mode of combining multiple different sensors together, leads to the system consumption higher and cost, because of there is certain installation deviation between sensor and the sensor physical factor when the object moves, and the axial of data is difficult to align.
2. In the prior art, wireless technologies such as 2.4G and bluetooth are used for communication, although transmission power consumption is low, the distance is generally relatively short, and the transmission distance using an operator network is long, but the system power consumption is relatively high.
Compared with the technical scheme which is designed aiming at simultaneously meeting the application in various data acquisition scenes, the invention adopts a special optimized sensor aiming at each scene and can realize data fusion among various sensors. In order to be deployed and used in various scenes, the sensor data are transmitted by adopting the Lora wireless network, so that the distance is long, and the power consumption is low.
Furthermore, on the one hand, due to the differences in understanding to the person skilled in the art; on the other hand, since the applicant has studied a great deal of literature and patents when making the present invention, but the disclosure is not limited thereto and the details and contents thereof are not listed in detail, it is by no means the present invention has these prior art features, but the present invention has all the features of the prior art, and the applicant reserves the right to increase the related prior art in the background.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a general object motion analysis system based on an intelligent motion sensing terminal. The system at least comprises a sensing terminal, a computing terminal and a cloud server. And the sensing terminal acquires data of the target object. And the computing terminal receives the data acquired by the sensing terminal and performs computing analysis on the data acquired by the sensing terminal. And after the computing terminal completes the computing analysis, the computing analysis result is sent to the cloud server. And the cloud server responds to the calculation analysis result of the calculation terminal to perform corresponding management and control. The sensing terminal is at least provided with a processing module, a first acceleration sensing assembly and a second acceleration sensing assembly. The processing module is connected with the first acceleration sensing assembly and the second acceleration sensing assembly through an interface, so that data receiving and power supply control of the first acceleration sensing assembly and the second acceleration sensing assembly are achieved. In practical use, the sensing terminal of the general object motion analysis system can collect various data on one sensing terminal by integrating various sensing components so as to analyze object motions such as vibration, track and posture. The general object motion analysis system can complete the acquisition, calculation and analysis of sensing data in a low power consumption state. Preferably, the sensing terminal of the general object motion analysis system can change the power-on state of the sensing assembly according to the collected data. The sensing terminal provides accurate data so that the system can collect sensing data with the lowest power consumption under the condition of analyzing the motion of an object.
According to a preferred embodiment, the sensing terminals include both wired sensing terminals and wireless sensing terminals. The wired sensing terminal can transmit acquired data through a data line connected with the communication port. The wireless sensing terminal can send the acquired data to the computing terminal for computational analysis in a wireless transmission mode through the configured first Lora communication unit. The general object motion analysis system can be configured with two sensing terminals to satisfy object motion analysis under different use environments. Preferably, in the use environments such as wired power supply and high real-time requirement on data, the method can acquire the sensing data by using the wired sensing terminal and then analyze the motion of the object by processing the sensing data. Preferably, in a use environment requiring a large number or wide range of deployed sensors, the data for object motion analysis of the present invention comes from a wireless sensing terminal.
According to a preferred embodiment, the computing terminal establishes communication with the cloud server by using the configured 4G communication unit, and uploads a calculation analysis result generated after calculation analysis is performed on data collected by the sensing terminal, which is received by the computing terminal through the configured second Lora communication unit or the configured communication port, to the cloud server. And the sensing terminal transmits the acquired data to the computing terminal in a wired or wireless data transmission mode after acquiring the data of the target object. And the computing terminal analyzes the motion of the object by computing and analyzing the data acquired by the sensing terminal. And the computing terminal sends the analysis result of the object motion to the cloud server by means of the configured 4G communication unit.
According to a preferred embodiment, the processing module has at least a first state and a second state different from the first state. The first acceleration sensing component can control the switching of the first state and the second state of the processing module through an interface so as to control the enabling/dormancy of the second acceleration sensing component. Preferably, the second acceleration sensing assembly is in a sleep state when the processing module is in the first state. And when the processing module is in the second state, the second acceleration sensing assembly is in a working state. And when the processing module is in a first state, the processing module acquires data required by the motion analysis of the object through the first acceleration sensing assembly. And when the processing module is in a second state, the processing module acquires data required by the motion analysis of the object through the second acceleration sensing assembly.
According to a preferred embodiment, the first acceleration sensing assembly and the second acceleration sensing assembly are disposed on the same plate body in a manner that the first acceleration sensing assembly and the second acceleration sensing assembly are axially flush with each other so that the collected data are aligned, so that the processing module can process the data collected by the first acceleration sensing assembly and the second acceleration sensing assembly conveniently. The first acceleration sensing assembly and the second acceleration sensing assembly belong to sensing assemblies taking accelerometers as core devices. The first acceleration sensing assembly and the second acceleration sensing assembly are arranged on the plate body of the same circuit structure in an axis aligning mode, so that at least one parameter (such as position height, relative coordinates and the like) of the sensing assemblies is the same, parameters required to be processed when the processing module performs fusion processing on data acquired by the sensing assemblies can be reduced, rapid processing is achieved, and time spent in object motion analysis is indirectly reduced.
According to a preferred embodiment, the processing module comprises a processing chip, a random access memory and a read-only memory. The processing chip is respectively connected with the random access memory and the read-only memory through electric signals. The processing module can realize on-off control of the power supplies of the random access memory and the read-only memory by switching the first state and the second state. Preferably, when the power supplies of the random access memory and the read only memory are switched on, the processing module can process and transmit data acquired by the sensing assembly with the highest performance, so that the subsequent computing terminal can compute and analyze the motion of the object.
According to a preferred embodiment, the second acceleration sensing component comprises at least a second acceleration sensor, a filter, a voltage follower and a high-speed ADC. The second acceleration sensor transmits the acquired data in the alternating current single-axis direction to the processing module for processing through a communication protocol interface after sequentially passing through the filter, the voltage follower and the high-speed ADC. Preferably, the second acceleration sensing component is in a dormant state when the sensing terminal is initially installed to collect data of the target object. And if and only when the first acceleration sensing assembly arranged in the sensing terminal sends an instruction for awakening the second acceleration sensing assembly to the processing module of the sensing terminal, the processing module awakens the second acceleration sensing assembly to acquire data. Preferably, when the second acceleration sensing assembly collects data, the computing terminal performs calculation and analysis of the motion of the object based on the data collected by the second acceleration sensing assembly.
According to a preferred embodiment, the wired sensing terminal model of the sensing terminal can be wired to the repeater through the communication port. And the repeater establishes wireless communication with a second Lora communication unit configured by the computing terminal through a third configured Lora communication unit. The wired sensing terminal can indirectly send the acquired data to the computing terminal through the repeater for computing and analyzing.
According to a preferred embodiment, the wireless sensing terminal model of the sensing terminal can directly establish wireless communication with the second Lora communication unit configured by the computing terminal through the configured first Lora communication unit, so that the acquired data are directly sent to the computing terminal for computing and analyzing. Preferably, in a use environment where a wide range of deployment of the sensing terminal is required and it is inconvenient to deploy the data transmission line, the wireless sensing terminal may transmit data required for the object motion analysis to the computing terminal using the second Lora communication unit configured.
According to a preferred embodiment, the wired sensing terminal model of the sensing terminal can be connected to the computing terminal in a wired manner through a communication port to establish real-time data connection with the computing terminal, so that the acquired data is directly sent to the computing terminal in real time for computation and analysis. Preferably, in an environment suitable for wired power supply without considering power consumption and with a real-time requirement on data, the sensing terminal can be in wired connection with the wired sensing terminal through the communication port, and the data of the wired sensing terminal is received and calculated and analyzed, so that the real-time performance of object motion analysis is guaranteed.
Drawings
FIG. 1 is a simplified network topology diagram of a generalized object motion analysis system in accordance with a preferred embodiment of the present invention;
FIG. 2 is a simplified schematic diagram of a wired sensing terminal according to a preferred embodiment of the present invention;
FIG. 3 is a simplified schematic diagram of a wireless sensing terminal according to a preferred embodiment of the present invention;
FIG. 4 is a simplified schematic diagram of a computing terminal in accordance with a preferred embodiment of the present invention;
FIG. 5 is a simplified schematic diagram of a repeater in accordance with a preferred embodiment of the present invention;
FIG. 6 is a simplified circuit board structure diagram of a sensing terminal according to a preferred embodiment of the present invention;
FIG. 7 is a simplified electrical schematic diagram of a processing chip according to a preferred embodiment of the present invention;
FIG. 8 is a simplified circuit schematic of a preferred embodiment of the random access memory provided in the present invention;
FIG. 9 is a simplified circuit diagram of a read only memory according to a preferred embodiment of the present invention;
FIG. 10 is a simplified electrical schematic diagram of a first acceleration sensing assembly of a preferred embodiment provided by the present invention;
FIG. 11 is a simplified electrical schematic diagram of a temperature sensing assembly in accordance with a preferred embodiment of the present invention;
FIG. 12 is a simplified electrical schematic diagram of a second acceleration sensing assembly in accordance with a preferred embodiment of the present invention;
FIG. 13 is a schematic diagram of a power control circuit for a second acceleration sensor according to a preferred embodiment of the present invention;
FIG. 14 is a simplified electrical schematic diagram of a first Lora communication unit in accordance with a preferred embodiment of the present invention;
FIG. 15 is a simplified schematic diagram of a sensing terminal according to a preferred embodiment of the present invention, provided in example 2;
FIG. 16 is a simplified electrical schematic diagram of an inertial measurement sensing assembly in accordance with a preferred embodiment of the present invention;
FIG. 17 is a simplified electrical schematic diagram of a preferred embodiment of a tilt angle sensing assembly provided by the present invention;
fig. 18 is a simplified schematic diagram of a circuit board structure of a sensing terminal according to a preferred implementation manner provided in embodiment 2 of the present invention.
List of reference numerals
100: a sensing terminal; 101: a wired sensing terminal; 102: a wireless sensing terminal; 110: a processing module; 111: processing the chip; 112: a random access memory; 113: a read-only memory; 120: a first acceleration sensing assembly; 130: a temperature sensing component; 140: an inertial measurement sensing assembly; 150: a tilt angle sensing assembly; 160: a second acceleration sensing assembly; 161: a second acceleration sensor; 162: a filter; 163: a voltage follower; 164: a high-speed ADC; 165: a second acceleration sensor power supply control circuit; 170: a first Lora communication unit; 200: a computing terminal; 210: a calculation analysis module; 220: a communication port; 221: a high-speed communication port; 222: a low speed communication port; 230: a second Lora communication unit; 240: a 4G communication unit; 300: a cloud server; 400: a repeater; 410: and a third Lora communication unit.
Detailed Description
The following detailed description is made with reference to the accompanying drawings.
As sensor technology evolves, more and more sensors are used. But the sensor technology is single in function. In the case of acquiring multiple data, multiple sensors are usually arranged or data acquired by one sensor is mathematically analyzed to obtain multiple data. According to the invention, the circuit structure is designed to fuse various sensing components to one sensing terminal, so that under the condition that various data are required to be acquired, the acquisition of various data can be realized only by arranging one sensing terminal, and the vibration, the track, the posture and the like of an object are analyzed. The fused multi-sensing assembly of the present invention may include a first acceleration sensing assembly, an inertial measurement sensing assembly, and a tilt angle sensing assembly. Each sensing assembly is connected with processing module, and when the equipment to be detected produces data, for example, detects equipment vibrations, the vibration sensor just can produce a signal notification processing module, and processing module awakens corresponding sensor collection data up to send collection data to calculation terminal carries out object motion analysis. The general object motion analysis system provided by the invention can solve the problems of object vibration, track, attitude analysis and the like in the industries of mechanical fault diagnosis and predictive maintenance, geological disaster monitoring and early warning, marine disaster monitoring and early warning, civil engineering structure safety monitoring and early warning, power transmission line engineering safety monitoring and early warning and the like.
Example 1
In this embodiment, the general object motion analysis system based on the intelligent motion sensing terminal provided by the invention can be a mechanical failure diagnosis and predictive maintenance system. The general object motion analysis system provided by the invention acquires the high-frequency vibration acceleration data of the target object through the sensing terminal 100. The sensing terminal 100 sends the collected data to the computing terminal 200 for processing. The computing terminal 200 obtains characteristic results of the target object, such as effective vibration speed, effective vibration amplitude, vibration frequency spectrum and the like, through computation and analysis of data collected by the sensing terminal 100. The computing terminal 200 uploads the obtained feature results to the cloud server platform, so that digital mechanical fault diagnosis and predictive maintenance are realized.
The mechanical failure diagnosis and predictive maintenance system provided by the embodiment at least comprises a sensing terminal 100, a computing terminal 200 and a cloud server 300. The sensing terminal 100 performs data acquisition on a target object. The computing terminal 200 receives the data collected by the sensing terminal 100 and performs computation analysis on the data collected by the sensing terminal 100. After completing the calculation analysis, the computing terminal 200 sends the calculation analysis result to the cloud server 300. The cloud server 300 performs corresponding management and control in response to the calculation analysis result of the calculation terminal 200. Referring to fig. 1, a computing terminal 200 establishes data connections with a cloud server 300 and at least one sensing terminal 100, respectively. Preferably, the computing terminal 200 may be connected to more than two sensing terminals 100 at the same time. The computing terminal 200 obtains a motion characteristic result of the target object by computing and analyzing the data collected by the sensing terminal 100. The motion characteristic results comprise effective vibration speed, effective vibration amplitude, vibration frequency spectrum and the like. After obtaining the motion characteristic result of the target object, the computing terminal 200 sends the obtained computing result to the cloud server 300, and the cloud server 300 issues a troubleshooting instruction or a fault early warning to a user managing the target object based on the analysis result of the computing terminal 200, so that fault diagnosis and predictive maintenance of machinery (the target object) are realized. For example, when the wind power of the generator set for wind farm power generation is too large, the wind generator set can generate abnormal vibration, and the mechanical fault diagnosis and predictive maintenance system of the embodiment can be used for inspection work of the wind farm.
The sensing terminal 100 of the present embodiment may be provided with a processing module 110, a first acceleration sensing assembly 120, and a second acceleration sensing assembly 160. The first acceleration sensing component 120 and the second acceleration sensing component 160 of the sensing terminal 100 can acquire vibration data of a target object (such as a wind turbine generator system blade). Because the material property of the generator set equipment can be affected by temperature, for example, the connecting part of the fan blade and the rotating shaft of the generator set generates heat due to rotation friction, the temperature sensing component 130 is further arranged on the sensing terminal 100 for eliminating the temperature factor.
Preferably, in order to be able to perform data acquisition under different use environments, the sensor terminal 100 of the present embodiment is provided with two models, namely a wired sensor terminal 101 shown in fig. 2 and a wireless sensor terminal 102 shown in fig. 3. The wired sensing terminal 101 can transmit collected data through a data line connected to the communication port 220. Preferably, the communication ports 220 include a high-speed communication port 221 and a low-speed communication port 222. The wireless sensing terminal 102 can transmit the collected data to the computing terminal 200 for computational analysis in a wireless transmission manner through the configured first Lora communication unit 170. The general object motion analysis system of the present invention may be configured with two kinds of sensing terminals 100 to satisfy object motion analysis under different usage environments. Preferably, in a use environment such as wired power supply and high real-time requirement on data, the object motion analysis method can be used for acquiring the sensing data by using the wired sensing terminal 101 and then analyzing the object motion by processing the sensing data. Preferably, in a use environment where a large or extensive deployment of sensors is required, the data for object motion analysis of the present invention comes from the wireless sensing terminal 102.
Referring to fig. 2 and 3, the temperature sensing assembly 130, the first acceleration sensing assembly 120, and the second acceleration sensing assembly 160 are respectively interfaced to the processing module 110. Preferably, the interface for connecting each sensing component with the processing module 110 may be an interface supporting a communication protocol such as SPI. Each sensing component transmits the acquired data to the processing module 110 through the communication protocol interface for processing. Preferably, the second acceleration sensing assembly 160 includes at least a second acceleration sensor 161, a filter 162, a voltage follower 163, and a high-speed ADC 164. The second acceleration sensor 161 transmits the acquired data in the single axial direction to the processing module 110 for processing through a communication protocol interface after sequentially passing through the filter 162, the voltage follower 163 and the high-speed ADC 164. Preferably, the first acceleration sensing assembly 120 may include a first acceleration sensor. Preferably, the processing module 110 includes a processing chip 111, a random access memory 112, and a read only memory 113. The processing chip 111 is electrically connected to the random access memory 112 and the read only memory, respectively.
The computing terminal 200 of this embodiment receives the vibration data of the target object acquired by the sensing terminal 100, performs calculation and analysis based on the vibration data to obtain analysis results such as vibration speed, vibration amplitude, vibration spectrum, and the like, and transmits the analysis results to the cloud server to implement supervision on the target object.
Referring to fig. 4, the computing terminal 200 includes a computation analysis module 210, a communication port 220, a second Lora communication unit, and a 4G communication unit. The communication port 220, the second Lora communication unit and the 4G communication unit are electrically connected with the calculation and analysis module 210 respectively. The computing terminal 200 receives the data collected by the sensing terminal 100 through the configured second Lora communication unit 230 or the communication port 220. The second Lora communication unit 230 or the communication port 220 transmits the received data to the calculation and analysis module 210 for calculation and analysis. The calculation and analysis module 210 performs calculation and analysis through a preset program in response to the received data to obtain an analysis result at least including motion state parameters such as vibration speed, vibration amplitude, vibration frequency spectrum and the like. The calculation analysis module 210 transmits the analysis result to the 4G communication unit 240, and transmits the analysis result to the cloud server 300 through the 4G communication network. In other words, the computing terminal 200 establishes communication with the cloud server 300 by using the configured 4G communication unit 240, and uploads a computational analysis result generated after the computing terminal 200 performs computational analysis on data collected by the sensing terminal 100 and received by the configured second Lora communication unit 230 or the configured communication port 220 to the cloud server 300. The sensing terminal 100 acquires data of a target object and transmits the acquired data to the computing terminal 200 in a wired or wireless data transmission manner. The computing terminal 200 analyzes the motion of the object by performing computation analysis on the data collected by the sensing terminal 100. The computing terminal 200 transmits the analysis result of the object motion to the cloud server 300 by means of the configured 4G communication unit 240. Preferably, the communication ports 220 include a high speed communication port 221 and a low speed communication port 222. Preferably, the high-speed communication port 221 may be an IEEE 1588PoE high-speed interface. Preferably, the low-speed communication port 222 may be an RS485 low-speed interface.
Preferably, the sensing terminal 100 preferably employs the wired sensing terminal 101 in an environment suitable for wired power supply without considering power consumption and with a real-time requirement on data. The wired sensing terminal 101 can be connected with the wired sensing terminal 101 through the communication port 220 in a wired manner, and data of the wired sensing terminal 101 is received and calculated and analyzed, so that the real-time performance of object motion analysis is guaranteed. Preferably, the wired sensing terminal 101 can establish a real-time data connection with the computing terminal 200 by means of wired connection of the communication port 220 to the computing terminal 200, so as to directly transmit the collected data to the computing terminal 200 in real time for computational analysis.
The wireless sensing terminal 102 is preferably employed where the real-time requirements for data are low and a large number of deployed sensors are required. Preferably, the model of the wireless sensor terminal 102 of the sensor terminal 100 can directly establish wireless communication with the second Lora communication unit 230 configured on the computing terminal 200 through the configured first Lora communication unit 170, so that the acquired data can be directly sent to the computing terminal 200 for computation and analysis. Preferably, in a use environment where it is necessary to deploy the sensing terminal 100 in a wide range and it is inconvenient to deploy the data transmission line, the wireless sensing terminal 102 may transmit data required for the object motion analysis to the computing terminal 200 using the configured second Lora communication unit 230.
Preferably, in a usage environment where a plurality of sensing terminals 100 are required to acquire data synchronously and the power consumption is low, the system of the embodiment may be deployed by connecting at least one wired sensor 101 to the repeater 400 through the communication port 220 by wire, and then the repeater 400 establishes wireless communication with the second Lora communication unit 230 configured on the computing terminal 200 through the third Lora communication unit 410 configured to transmit the data acquired by the wired sensor 101 to the computing terminal 200 for computational analysis. Preferably, two or more wired sensing terminals 101 are wired to the repeater 400 through the communication port 220. The repeater 400 establishes wireless communication with the second Lora communication unit 230 configured by the computing terminal 200 through the configured third Lora communication unit 410. The repeater 400 receives data collected by the plurality of wired sensing terminals 101 in a wired communication manner, and then transmits the received data to the computing terminal 200 in a wireless communication manner for computational analysis, so that the synchronism of the plurality of sensing terminals 100 is ensured. The power consumption of the repeater 400 is lower than that of the computing terminal 200, and the Lora communication unit in the system can be selectively turned on (started when data transmission is needed and dormant when the data transmission is not needed). Compared with the mode that the computing terminal 200 continuously opens the communication port 220 to receive the data collected by the wired sensing terminal 101, the data transmission mode of the repeater 400 is adopted, so that the power consumption of the system can be reduced. Referring to fig. 5, the repeater 400 is provided with a third Lora communication unit 410 and a low-speed communication port 222. The reason why only the low-speed communication port 222 is provided is that the communication speed of the repeater 400 in the Lora communication is significantly lower than that of the wired communication, and does not meet the high-speed communication requirement, and therefore the repeater 400 is not provided with the high-speed communication port 221.
The first acceleration sensing assembly 120 and the second acceleration sensing assembly 160 are disposed on the same plate body in a manner that they are axially flush with each other such that the collected data are aligned, which is convenient for the processing module 110 to process the data collected by the first acceleration sensing assembly 120 and the second acceleration sensing assembly 160. Specifically, referring to fig. 5, the first acceleration sensor of the first acceleration sensing assembly 120 and the second acceleration sensor 161 of the second acceleration sensing assembly 160 are disposed on the same plate body in an axially aligned manner. Preferably, after the first acceleration sensing assembly 120 and the second acceleration sensing assembly 160 are disposed on the same plate body in an axis alignment manner, at least one reference parameter is the same when the first acceleration sensing assembly 120 and the second acceleration sensing assembly 160 perform data acquisition, so that the processing module 110 of the terminal 100 performs fusion processing on data from different sensing assemblies. Preferably, the core components of the first acceleration sensing assembly 120 and the second acceleration sensing assembly 160 both include accelerometers. In the sensing terminal 100 of this embodiment, a plurality of sensing components using accelerometers as core devices may be arranged on a board body of the same circuit structure in an axis alignment manner, so that at least one parameter (for example, position height, relative coordinate, etc.) of the sensing components is the same, and thus parameters required to be processed when the processing module 110 of the sensing terminal 100 and the computing terminal 200 perform fusion processing on data acquired by the sensing components can be reduced, and time spent in analyzing object motion is indirectly reduced by implementing fast processing. Preferably, the first acceleration sensing unit 120 and the second acceleration sensing unit 160 are disposed on the plate body at positions far from the surrounding mechanical mounting holes, so as to prevent external stress from being transmitted to the sensors. The sensing terminal 100 of the embodiment places each sensing component on the circuit board in the middle, so that the problem that the data acquisition result of the sensing component is inaccurate due to the fact that the sensing component is placed on the circuit board when the stress generated by the circuit board is transferred to the circuit board when the sensing terminal 100 is packaged is avoided.
Preferably, the processing module 110 receives the data transmitted by the sensing assembly through the interface, and thus processes the received data. Fig. 7 is a circuit diagram of a processing chip of the processing module 110. Preferably, the processing chip 111 may be STM32F446ZET 6. FIG. 8 is a circuit schematic of a preferred random access memory 112 of the sensing terminal 100 of the present invention. Preferably, the random access memory is a RAM chip including at least SDRAM and PSRAM. Preferably, the random access memory 112 may be an SDRAM. Preferably, the processing module 110 integrates a 2Mbytes high capacity SDRAM chip. Preferably, the SDRAM power supply is controllable, and the power consumption of the system is reduced when the data is not collected. When the waveform data needs to be collected, the large-capacity storage unit is needed to store the waveform data, and at this time, the processing module 110 turns on a power switch of the large-capacity PSRAM chip. Fig. 9 is a circuit schematic of a preferred read only memory 113 of the terminal 100 of the present invention. Preferably, the read only memory 113 may be FLASH. Preferably, the read only memory 113 is connected to the processing module 110 by an interface. Preferably, the interface may be an SPI interface and/or an I/O interface. Preferably, the power supply of the read only memory 113 can be controlled by a signal. In the case where the read only memory 113 is not used, the sensing terminal 100 can cut off the power supply to the read only memory 113.
The processing module 110 has at least a first state and a second state different from the first state. The first acceleration sensing component 120 can control the enabling/disabling of the second acceleration sensing component 160 by controlling the processing module 110 to switch between the first state and the second state. In particular, for the wireless sensing terminal 101, the first acceleration sensing component 120 can further control the activation/sleep of the Lora communication unit 170 by controlling the switching of the first state and the second state of the processing module 110. In actual deployment, in order to reduce power consumption of the sensing terminal 100, the second acceleration sensing component 160 and/or the Lora communication unit 170 are/is in a sleep state by default, the processing module 110 is in a first state where only part of the components are in operation, and the first acceleration sensing component 120 is in a normal operation state. The processing module 110 enters the second state from the first state if and only if the data collected by the first acceleration sensing assembly 120 is abnormal. The processing module 110 entering the second state uses the data collected by the preset program from the first acceleration sensing assembly 120 and determines whether to turn on the second acceleration sensing assembly 160 and/or the Lora communication unit 170. When no abnormality occurs in the data collected by the first acceleration sensing component 120, a large number of components (such as the second acceleration sensing component 160 and the Lora communication unit 170) of the sensing terminal 100 are in a dormant state, so that the sensing terminal 100 can collect data with low power consumption.
Preferably, the processing module 110 is capable of performing on-off control of the power of the ram 112 and the rom 113 by switching between the first state and the second state. Preferably, when the power of the ram 112 and the rom 113 is turned on, the processing module 110 can process and transmit the data collected by the sensing component with the highest performance, so that the subsequent computing terminal 200 can perform calculation and analysis on the motion of the object. The processing chip 111 is electrically connected to the random access memory 112 and the read only memory, respectively. If and only if the processing module 110 is in the second state, the processing chip 111 will send a signal to turn on the power of the ram 112 and the rom 113 to operate. When the processing module 110 is in the first state, the processing chip 111 disconnects the power of the ram 112 and the rom 113 through the electrical signal to make them sleep, so as to avoid that the ram 112 and the rom 113 generate power consumption under non-working condition, so that the power consumption of the whole terminal 100 is high. Preferably, the first state of the processing module 110 is a sleep state, and the second state of the processing module 110 is an operating state. The processing module 110 may control the power supply of the first acceleration sensing assembly 120, the second acceleration sensing assembly 160, and/or the Lora communication unit 170 through the interface. When the processing module 110 is in the first state, in order to reduce the power consumption of the terminal 100, the processing module 110 sends a signal through the interface to cut off the power supply of the second acceleration sensing assembly 160 and/or the Lora communication unit 170, so that the second acceleration sensing assembly 160 and/or the Lora communication unit 170 enters the sleep mode. When the second acceleration sensing component 160 and/or the Lora communication unit 170 are dormant, the processing module 110 can send a signal through the interface to turn on the power supply of the first acceleration sensing component 120, and it is ensured that the first acceleration sensing component 120 can normally and stably work, so that the terminal can reduce power consumption under the condition of satisfying data acquisition. Preferably, in the case that the processing module 110 is in the first state, the processing module 110 can turn off the power supply of the second acceleration sensing assembly 160 and the Lora communication unit 170 and turn on the power supply of the first acceleration sensing assembly 120, so that the sensing terminal 100 can operate with the lowest power consumption.
Preferably, the first acceleration sensor may be a MEMS high frequency acceleration sensor, and the specific model may be KX 132. Fig. 10 is a schematic circuit diagram of a preferred first acceleration sensing assembly 120. Preferably, the MEMS high-frequency acceleration sensor adopts a high-frequency acceleration sensor KX 132. The sensor is specially designed for high-frequency vibration analysis, the output frequency of the sensor is up to 25.6KHz, the output bandwidth is up to 8.2KHz, and compared with the traditional acceleration sensor, the high-frequency acceleration sensor used in the invention has better high-frequency vibration measurement effect, and the accuracy of analyzing the vibration frequency through the acceleration signal of the sensor is higher. Preferably, the first acceleration sensing component 120 and the second acceleration sensing component 160 are configured to be driven by current through the I/O port of the processing module 110 to control on/off. After being awakened by the first acceleration sensing component 120, the processing module 110 of the sensing terminal 100 which integrates multiple sensing components can enable the processing module 110 to supply power to the second acceleration sensing component 160 through an I/O port of the second acceleration sensing component 160 by running a preset program, so that the second acceleration sensing component 160 is started to enable the second acceleration sensing component 160 to perform data acquisition. As shown in fig. 5, the power supply of the first acceleration sensing assembly 120 may be controlled by a signal. Preferably, the processing module 110 can send a signal through the interface to turn on or off the power supply of the first acceleration sensing assembly 120. The technician deploying the terminal 100 sets a corresponding response threshold for the first acceleration sensing component 120 by analyzing the data that needs to be sensed in the field. Preferably, in case that the data collected by the first acceleration sensing component 120 exceeds a preset threshold, the first acceleration sensing component 120 generates an interrupt signal and transmits the interrupt signal to the processing module 110 through an interface connected with the processing module 110 so as to wake up the processing module 110. After receiving the interrupt signal, the processing module 110 enters the second state from the first state to wake up. Preferably, when the data collected by the first acceleration sensing component 120 exceeds the preset threshold, it is determined that the collected data is abnormal, the processing module 110 needs to be requested to determine the abnormality, so that the processing module 110 generates an interrupt signal and transmits the interrupt signal to the processing module 110 through an interface connected to the processing module 110. The processing module 110 enters a second state with higher power consumption in which all the devices operate in response to the "reception of the interrupt signal" from the first state with low power consumption in which some of the devices are dormant, and analyzes data collected by the first acceleration sensing assembly 120. Preferably, the terminal 100 enables the processing module 110 to enter the second working state with higher power consumption when the data collected by the first acceleration sensing component 120 needs to be analyzed, and the processing module 110 is in the first working state with low power consumption when the data collected by the first acceleration sensing component 120 does not need to be analyzed, so that the processing module 110 is prevented from being in the second working state with higher power consumption all the time when the terminal 100 collects data for a long time, and the power consumption of the terminal 100 during data collection is reduced.
Preferably, the temperature sensing assembly 130 configured with the sensing terminal 100 is connected to the processing module 110 through an interface. The temperature sensing assembly 130 transmits the measured temperature data to the processing module 110 through an interface. FIG. 6 is a schematic circuit diagram of a preferred temperature sensing assembly. Preferably, the temperature sensing component 130 may be a MEMS temperature sensor. Preferably, the MEMS temperature sensor employs DS18B 20. In the case where the temperature sensing component 130 is not needed, the power supply of the temperature sensing component 130 is turned off, thereby reducing the system power consumption. As shown in fig. 11, the power supply of the sensing assembly may be controlled by a signal. Preferably, the processing module 110 can send a signal through the interface to control the power mode of the temperature sensing assembly 130. Preferably, the processing module 110 can turn off the power supply of the temperature sensing assembly 130 under the condition of not sensing the temperature, thereby reducing the system power consumption. Preferably, a technician at the deployment terminal can set the operation of the temperature sensing assembly 130 based on an analysis of the target object. Preferably, the temperature sensing assembly 130 may operate in a manner that the processing module 110 enters the second state and then sends a signal to enable the temperature sensing assembly 130 to normally supply power, so that the temperature sensing assembly 130 starts to operate to collect data.
Fig. 12 shows a preferred second acceleration sensing assembly 160 circuit. The second acceleration sensor 161 outputs an analog signal, which is sampled by the filter 162, the voltage follower 163 and the high-speed ADC164 and then output to the processing module 110 for signal processing. Referring to fig. 12, after the processing module 110 powers on and operates the second acceleration sensor through the second acceleration sensor power supply control circuit 165, the second acceleration sensor 161 passes through the filter 162 and the voltage follower 163, and then the voltage signal of the second acceleration sensor 161 is sampled through the high-speed ADC164 and is connected to the processing module 110 through the SPI bus, so that the voltage signal acquisition of the second acceleration sensor 161 is realized, and the system of the second acceleration sensing assembly 160 is highly integrated. Preferably, the second acceleration sensor 161 may be an ADXL100X series MEMS-IEPE chip. Preferably, the filter 162 may be a band-limiting filter. Preferably, the band-limiting filter circuit is mainly composed of an operational amplifier and at least one resistor and at least one capacitor. Preferably, the voltage follower 163 is composed of at least two operational amplifiers. Preferably, the operational amplifier may be OPA 4325. Preferably, the high speed ADC chip may be MCP 3561. The ADXL100X chip has the lowest noise at a supply voltage of 5V. To improve the accuracy of data acquisition by the second acceleration sensing assembly 160, the present embodiment controls the power to the ADXL100X through the second acceleration sensor power control circuit 165. Fig. 13 is a schematic diagram of a preferred second acceleration sensor power control circuit of the terminal of the present invention. The MEMS-IEPE chip is connected with a band-limiting filter at the rear stage, so that the accuracy of the high-frequency response of the sensor is improved. And the high-speed ADC164 unit is powered by 3V 3. The output of the amplifier is divided by the resistor through the band-limiting filter circuit and then output to the voltage follower, so that the 5V signal is linearly reduced to a range of 3V3, and after passing through the voltage follower 163, the impedance of the MEMS-IEPE chip signal is reduced, and the high-speed ADC164 is more accurate in sampling. Referring to fig. 13, preferably, the processing module 110 sends a signal through the interface to cut off power to the first acceleration sensing component 120 when the second acceleration sensing component 160 is enabled. Preferably, the second acceleration sensing assembly 160 is capable of collecting data at a higher frequency than the first acceleration sensing assembly 120. Data distortion and other problems can occur when data with a frequency range suitable for the second acceleration sensing assembly 160 is collected by the first acceleration sensing assembly 120, data distortion and other problems can also occur when data with a frequency range suitable for the first acceleration sensing assembly 120 is collected by the second acceleration sensing assembly 160, in order to avoid data distortion and other problems and the problem that the power consumption of the terminal 100 is high as the first acceleration sensing assembly 120 and the second acceleration sensing assembly 160 are opened simultaneously, the processing module 110 cuts off the power supply of the first acceleration sensing assembly 120 under the condition that the second acceleration sensing assembly 160 is started, and therefore the terminal 100 can conduct accurate data collection with low power consumption.
Fig. 14 is a simplified circuit schematic diagram of the first Lora communication unit 170 according to a preferred embodiment of the present invention. The wireless sensor terminal 102 in this embodiment is provided with a first Lora communication unit 170. Referring to fig. 14, the first Lora communication unit 170 is connected to the processing module 110 through an interface. Under the condition that the first Lora communication unit 170 is not used, the processing module 110 turns off the power supply of the first Lora communication unit 170 through a signal, and the power consumption of the system is reduced. Preferably, the power supply of the first Lora communication unit 170 is controlled by a signal of the processing module 110. The processing module 110 opens the first Lora communication unit 170 only when data transmission is needed, and then transmits the data to the computing terminal 200 that has been on for Lora signal reception. Preferably, the first Lora communication unit 170 employs a Lora module of the ra-01s type. The Lora module of ra-01s model can be used for ultra-long distance spread spectrum communication, and interference immunity is strong, can furthest reduce current consumption. Preferably, the processing module 110 in the second state can receive and process the data collected by the first acceleration sensing assembly 120 and/or the second acceleration sensing assembly 160 through the interface and send the processed data to the computing terminal 200 through the first Lora communication unit 170. Preferably, the interface may be an SPI interface and/or an I/O interface. Preferably, after the processing module 110 processes the data collected by the first acceleration sensing component 120 and/or the second acceleration sensing component 160, the processed data must be sent to the computing terminal 200 through the first Lora communication unit 170. Preferably, the processing module 110 turns on the power of the first Lora communication unit 170 through the interface only when the processed data needs to be transmitted to the computing terminal 200 through the first Lora communication unit 170, and activates the first Lora communication unit 170 so that the data processed by the processing module 110 can be transmitted to the computing terminal 200. After the first Lora communication unit 170 completes data transmission, the processing module 110 turns off the power of the first Lora communication unit 170, so that the first Lora communication unit 170 enters into sleep. The sensing terminal 100 of this embodiment activates the first Lora communication unit 170 only when data needs to be sent to the computing terminal 200, and makes the first Lora communication unit 170 enter the sleep mode at other times, thereby avoiding power consumption waste caused by continuous opening of the first Lora communication unit 170, and reducing power consumption when the sensing terminal 100 performs data acquisition, so that power consumption of the mechanical failure diagnosis and predictive maintenance system provided by this embodiment is reduced.
Preferably, the second acceleration sensing assembly 160 is in a dormant state when the sensing terminal 100 is initially installed to collect data of a target object. If and only when the first acceleration sensing component 120 disposed in the sensing terminal 100 sends an instruction to the processing module 110 of the sensing terminal 100, which requires to wake up the second acceleration sensing component 160, the processing module 110 will wake up the second acceleration sensing component 160 for data acquisition. Preferably, when the second acceleration sensing assembly 160 collects data, the computing terminal 200 performs a computational analysis of the object motion based on the data collected by the second acceleration sensing assembly 160. The mechanical fault diagnosis and predictive maintenance system of the embodiment can complete the acquisition, calculation and analysis of sensing data in a low power consumption state. Preferably, the sensing terminal 100 of the present mechanical failure diagnosis and predictive maintenance system can change the power-on state of the sensing component according to the collected data. The sensing terminal 100 provides accurate data so that the mechanical failure diagnosis and predictive maintenance system of the present embodiment can collect sensing data with the lowest power consumption when the motion analysis of the object is possible.
Example 2
This embodiment is a further improvement of embodiment 1, and repeated contents are not described again. The general object motion analysis system based on the intelligent motion sensing terminal can be a civil engineering structure safety monitoring and early warning system. In the field of safety monitoring and early warning of civil engineering structures, the general object motion analysis system can collect vibration data, attitude data and trajectory data, perform calculation analysis on the collected data and upload calculation analysis results to the cloud server 300, so that the digital analysis and monitoring on the safety of the civil engineering structures (such as bridge vibration, building dangerous wall inclination and the like) are realized.
The civil engineering structure safety monitoring and early warning system provided by the embodiment comprises a sensing terminal 100, a computing terminal 200 and a cloud server 300. The sensing terminal 100 may collect characteristic data of the civil engineering structure such as acceleration data, inertia data, inclination data, and the like. The computing terminal 200 calculates and analyzes the vibration condition, the attitude change, the motion trail and the like of the civil engineering structure based on the characteristic data which is collected by the sensing terminal 100 and comprises the characteristics of the acceleration, the inertia, the inclination angle and the like of the civil engineering structure. The computing terminal 200 uploads the calculation analysis result to the cloud server 300 to achieve safety monitoring and early warning of the civil engineering structure.
The sensing terminal 100 can be configured with sensing components including a first acceleration sensing component 120, a second acceleration sensing component 160, an inertial measurement sensing component 140, and a tilt sensing component 150. Referring to fig. 15, the first acceleration sensing assembly 120, the second acceleration sensing assembly 160, the inertial measurement sensing assembly 140, and the tilt sensing assembly 150 are each connected to the processing module 110 via an interface. The second acceleration sensing assembly 160, the inertial measurement sensing assembly 140, and the tilt sensing assembly 150 are capable of data acquisition, either directly or indirectly in response to instructions generated by the first acceleration sensing assembly 120 based on changes in the acquired data.
Preferably, the inertial measurement sensing assembly 140 of the terminal 100 is configured to interface with the processing module 110. The inertial measurement sensing component 140 transmits the measured trajectory data to the processing module 110 via an interface. Preferably, the interface may be an interface supporting the SPI communication protocol. FIG. 7 is a circuit schematic of a preferred inertial measurement sensing assembly. Preferably, the inertial measurement sensing component 140 may be a MEMS inertial measurement sensor. Preferably, the MEMS inertial measurement sensor employs a 6-axis sensor BMI 085. The 6-axis sensor integrates acceleration and angular velocity sensors, and the noise of the acceleration is lower than that of the accelerationNoise at angular velocity lower thanThe invention uses the 6-axis sensor to independently analyze the motion track of the object, the angular velocity and the axial direction of the acceleration are calibrated when the chip leaves a factory, and the analysis accuracy of the motion track is higher. As shown in fig. 7, the power to the inertial measurement sensing assembly 140 can be controlled by a signal. In practical use, the processing module 110 can determine whether the inertia measurement sensing assembly 140 is powered according to whether the inertia analysis is required, so as to reduce the power consumption of the system. Preferably, the processing module 110 is capable of sending a signal via the interface to cause the inertial measurement sensing component 140 to sleep or go offAn electrical state. Preferably, the processing module 110 is capable of turning off the power supply of the inertial measurement sensing component 140 without using a sensing component, thereby reducing system power consumption.
Preferably, the tilt angle sensing assembly 150 configured with the sensing terminal 100 is connected with the processing module 110 through an interface. The tilt sensing assembly 150 transmits the measured attitude data to the processing module 110 via an interface. Preferably, the communication protocol may be an SPI communication protocol. FIG. 17 is a circuit schematic of a preferred tilt angle sensing assembly. Preferably, the tilt sensing assembly 150 may be a MEMS tilt sensor. Preferably, the MEMS tilt sensor employs the tilt sensors SCL 3300-D01. The measured angle precision reaches 0.0055 DEG, and the noise is lower thanThe sensor is internally calibrated, and the calculation accuracy is higher than that of the traditional acceleration sensor. As shown in fig. 17, the power supply of the inclination angle sensing member 150 may be controlled by a signal. The processing module 110 can turn off the power supply of the tilt angle sensing assembly 150 without performing the attitude analysis, thereby reducing the power consumption of the system. In the case that the attitude analysis is required, the processing module 110 can turn on the power supply of the tilt angle sensing assembly 150, so that the terminal can sense the tilt angle data. The processing module 110 sends a signal to enable the tilt angle sensing assembly 150 to normally supply power, and then the tilt angle sensing assembly 150 starts to work to collect data. The inclination angle sensing component 150 sends the collected data to the processing module 110 through the SPI or other IO port, and the processing module 110 transmits the data to the computing terminal 200 for calculation and analysis through a wired or wireless communication mode. Under the condition that the sensing assembly is not used, the processing module 110 can turn off the power supply of the inclination angle sensing assembly 150, and the power consumption of the system is reduced.
Preferably, the first acceleration sensing assembly 120 may set a first threshold and two thresholds higher than the second threshold. Preferably, after the first acceleration sensing component 120 switches the first state of the processing module 110 to the second state through the interrupt signal, the processing module 110 processes the data collected by the first acceleration sensing component 120 and received through the interface through a preset program, and simultaneously evaluates and confirms whether to activate the second acceleration sensing component 160. When the threshold acquired by the first acceleration sensing component 120 is lower than the first threshold, the first acceleration sensing component 120 does not generate an interrupt signal to switch the first state of the processing module 110 to the second state. When the threshold value acquired by the first acceleration sensing component 120 is higher than the first threshold value and lower than the second threshold value, the first acceleration sensing component 120 can accurately acquire data, but the processing module 110 is required to process the acquired data, and at this time, the processing module 110 does not need to start the second acceleration sensing component 160. When the threshold value acquired by the first acceleration sensing component 120 is higher than the second threshold value, the first acceleration sensing component 120 cannot accurately acquire data, and the processing module 110 needs to start the second acceleration sensing component 160 to acquire data. The combined use of the first acceleration sensing component 120 and the second acceleration sensing component 160 can realize data acquisition in a wider range than that of a single acceleration sensing component, but the use of the first acceleration sensing component 120 and the second acceleration sensing component 160 at the same time can generate higher power consumption, and the power consumption of the terminal 100 can be reduced while realizing data acquisition in a wider range by the aforementioned manner of calling the acceleration sensing components in a hierarchical manner. Preferably, the second acceleration sensing component 160 is in a sleep state when the processing module 110 is in the first state. The second acceleration sensing assembly 160 is in an operational state when the processing module 110 is in the second state. The processing module 110 collects data required for motion analysis of the object through the first acceleration sensing assembly 120 when in the first state. When the processing module 110 is in the second state, the data required for analyzing the motion of the object is collected by the second acceleration sensing component 160.
Preferably, the inertial measurement sensing component 140 may operate in a manner that the processing module 110 enters the second state in response to an interrupt generated by the first acceleration sensing component 120, and after the processing module 110 enters the second state, the processing module sends a signal to normally supply power to the inertial measurement sensing component 140, so that the inertial measurement sensing component 140 starts to operate to collect data and send the collected data to the processing module 110 through the interface for processing. Preferably, the processing module 110, after entering the second state, sends a signal to normally power the inertial measurement sensing component 140 and simultaneously sends a signal to normally power the inclination sensing component 150 to perform inclination data measurement of the civil engineering structure for subsequent attitude analysis of the civil engineering structure by the computing terminal 200.
Preferably, since the civil engineering structure is susceptible to temperature (such as thermal expansion and cold contraction), the sensing terminal 100 of the civil engineering structure safety monitoring and warning system provided by the embodiment integrates the temperature sensing component 130 to eliminate the interference caused by the temperature factor when the computing terminal 200 performs the calculation analysis.
Preferably, the components of the cloud server 300, the computing terminal 200, the temperature sensing component 130, the first acceleration sensing component 120, the second acceleration sensing component 160, the processing module 110, and the like, and the components connected thereto in this embodiment are the same as those in embodiment 1, and are not described herein again.
Example 3
This embodiment is a further improvement on embodiments 1 and 2, and repeated details are not repeated. In this embodiment, the general object motion analysis system based on the intelligent motion sensing terminal provided by the invention can be a marine disaster monitoring and early warning system. The marine disaster monitoring and early warning system provided by the embodiment comprises a sensing terminal 100, a computing terminal 200 and a cloud server 300. The sensing terminal 100 of the general object motion analysis system has a track data acquisition function, the general object motion analysis system can be applied to the field of marine disaster monitoring and early warning to acquire marine wave height data, the computing terminal 200 calculates and analyzes 1/3 wave height data, 1/10 wave height data and the like based on the data acquired by the sensing terminal 100, and the data exceeding an early warning value are uploaded to the cloud server 300, so that the marine disaster monitoring and early warning functions are realized.
In the field of marine disaster monitoring and early warning, disaster monitoring and early warning are generally performed by monitoring the ocean wave height. The traditional ocean wave height monitoring mode needs to deploy a water pressure sensor to the sea bottom, install detection equipment on a buoy, and calculate the height of the water surface by measuring the pressure of the water pressure sensor so as to realize the ocean wave height monitoring. The traditional mode construction period is long, and water pressure sensor's cost is higher, is not convenient for extensive deployment. The marine disaster monitoring and early warning system of this embodiment uses integral type motion sensing terminal 100 to gather the trajectory data of buoy, through calculation terminal 200 analysis buoy movement track, calculates ocean wave height, and calculation terminal 200 uploads the computational analysis result to cloud server 300 and realizes marine disaster and early warning. Compared with the traditional monitoring and early warning scheme based on the water pressure sensor, the system has lower cost and is convenient for large-scale deployment.
The sensing terminal 100 adopted by the marine disaster monitoring and early warning system at least comprises a sensing component and a processing module 110. Preferably, the sensing terminal 100 incorporates at least two sensing components, a first acceleration sensing component 120 and an inertial measurement sensing component 140. The first acceleration sensing component 120 and the inertial measurement sensing component 140 are respectively connected to the processing module 110 of the sensing terminal 100 through an interface. The processing module 110 has at least a first state and a second state different from the first state. The first acceleration sensing component 120 can control the activation or deactivation of the inertial measurement sensing component 140 by controlling the switching of the first state and the second state of the processing module 110.
The first state of the processing module 110 is a sleep state, and the second state is an operating state. The sensing terminal 100 adopted by the marine disaster monitoring and early warning system is further provided with a first Lora communication unit 170. Preferably, the sensing terminal 100 adopted by the marine disaster monitoring and early warning system is a wireless sensing terminal 102. The first Lora communication unit 170 is connected to the processing module 110 through an interface. The processing module 110 can transmit data to the first Lora communication unit 170 through the interface. The processing module 110 may also control the power supply of the first Lora communication unit 170 through an interface. The first acceleration sensing component 120 can indirectly control the activation or the deactivation of the first Lora communication unit 170 by controlling the switching of the first state and the second state of the processing module 110.
Preferably, in actual deployment, in the initial state, the processing module 110 is in the first state so that the first acceleration sensing component 120 is normally powered through the interface. The processing module 110 in the first state cuts off power supply to the inertia measurement sensing assembly 140 and the first Lora communication unit 170 through the interface, so that the inertia measurement sensing assembly 140 and the first Lora communication unit 170 enter a sleep state.
Preferably, the first acceleration sensing assembly 120 is provided with a threshold value. In the event that the collected data exceeds the threshold, the first acceleration sensing component 120 generates a wake-up signal and sends a "wake-up signal" to the processing module 110 via the interface. The processing module 110 switches from the first state to the second state in response to receipt of the "wake-up signal". Preferably, the wake-up signal generated by the first acceleration sensing component 120 may be an interrupt signal. The processing module 110 entering the second state turns on the power supply of the inertial measurement sensing component 140 through the interface, so that the inertial measurement sensing component 140 can perform the acquisition of the trajectory data. Preferably, the trajectory data acquired by the inertial measurement sensor assembly 140 is processed by the processing module 110 and then sent to the computing terminal 200 through the first Lora communication unit 170 for computational analysis. Preferably, the processing module 110 in the second state turns on the power supply of the first Lora communication unit 170 through the interface when it is necessary to send the trajectory data collected by the inertia measurement sensing assembly 140 to the computing terminal 200, so that the sensing terminal 100 can perform Lora communication with the computing terminal 200 to transmit the trajectory data collected by the sensing terminal 100. Preferably, when the sensing terminal 100 does not need to transmit data to the computing terminal 200, the processing module 110 cuts off power supply to the first Lora communication unit 170 through the interface, so that power consumption of the system is reduced, and power consumption waste caused by the live operation of the first Lora communication unit 170 when data transmission is not needed is avoided. Preferably, the data collected by the first acceleration sensing assembly 120 is only used as a trigger signal for controlling the operating state of the processing module 110, and is not used as a basis for calculation and analysis by the computing terminal 200, and is not required to be transmitted. Preferably, when the data collected by the first acceleration sensing component 120 is lower than the preset threshold, the first acceleration sensing component 120 generates a sleep signal and sends the "sleep signal" to the processing module 110 through the interface. The processing module 110 de-energizes the inertial measurement sensing assembly 140 and the first Lora communication unit 170 via the interface in response to the receipt of the sleep signal. Preferably, the processing module 110 enters the first state of lower power consumption from the second state of higher power consumption in response to the receipt of the sleep signal. Preferably, the first acceleration sensing assembly 120 remains operational regardless of whether the processing module 110 is in the first state or the second state. The first acceleration sensing component 120 generates a wake-up signal or a sleep signal by monitoring the relationship between the collected data and the threshold value, so as to control the working state of the processing module 110, so that the power consumption of the marine disaster monitoring and early warning system of the embodiment can be reduced under the condition of normal operation.
Preferably, the components and their connected parts of the cloud server 300, the computing terminal 200, the first Lora communication unit 170, the first acceleration sensing component 120, the processing module 110 and the like used in this embodiment are the same as those in embodiments 1 and 2, and are not described again here.
Example 4
This embodiment is a further improvement on embodiments 1, 2 and 3, and repeated details are not repeated. In practical use, the sensing terminal 100 of the general object motion analysis system provided by the invention can collect various data on one sensing terminal 100 by integrating various sensing components, so that the system can analyze object motions such as vibration, track, posture and the like. In this embodiment, the general object motion analysis system based on the intelligent motion sensing terminal provided by the invention can be a geological disaster monitoring and early warning system. In the field of geological disaster monitoring and early warning, the general object motion analysis system provided by the invention utilizes the sensing terminal 100 to acquire the track data and vibration data of rocks or soil, calculates and analyzes risk data such as vibration amplitude and sliding amplitude of the rocks or soil at the position through the computing terminal 200, and uploads a technical analysis result to the cloud server 300 to realize monitoring and early warning of geological disasters such as debris flow, collapse and landslide, thereby realizing digital upgrading of disaster monitoring.
The geological disaster monitoring and early warning system provided by the embodiment at least comprises a sensing terminal 100, a computing terminal 200 and a cloud server 300. The sensing terminal 100 is provided with at least a first acceleration sensing assembly 120 and an inertial measurement sensing assembly 140. According to the traditional geological disaster monitoring scheme, a stay wire sensor is inserted into a detected rock or soil, a proper position stretching sensor is selected, data collected by the sensor is subjected to signal conditioning, calculation analysis is carried out, and the data are uploaded to a cloud platform. The geological disaster monitoring and early warning system provided by the embodiment can directly measure the rock or soil sliding data of a single point through the sensing terminal 100, then the sensing terminal 100 sends the data to the computing terminal 200 for analysis and calculation through a wired mode and a wireless mode, and the computing terminal 200 uploads a calculation and analysis result to the cloud server 300 to realize monitoring and early warning.
Preferably, the sensing terminal 100 can include a processing module 110, a first acceleration sensing assembly 120, an inertial measurement sensing assembly 140, and a tilt sensing assembly 150. Preferably, the first acceleration sensing assembly 120 is capable of accurately detecting vibration data having a frequency of less than 10 KHz. The vibration frequency of each type of geological disaster can fall into the detection range of the first acceleration sensing component 120, and therefore, the sensing terminal 100 of the geological disaster monitoring and early warning system provided by the embodiment is the second acceleration sensing component 160 with the detection frequency greater than 10 KHz.
Preferably, the first acceleration sensing assembly 120, the inertial measurement sensing assembly 140, and the tilt sensing assembly 150 are each connected to the processing module 110 via an interface. The processing module 110 can control the powering of the first acceleration sensing assembly 120, the inertial measurement sensing assembly 140, and the tilt sensing assembly 150 through the interface. The first acceleration sensing assembly 120, the inertial measurement sensing assembly 140, and the tilt angle sensing assembly 150 can transmit the collected data to the processing module 110 through an interface. Preferably, the interface for data transmission is an interface supporting a communication protocol. Preferably, the interface controlling the power supply may be a common I/O port. The processing module 110 has at least a first state and a second state different from the first state. The first acceleration sensing assembly 120 can control the activation or deactivation of the inertial measurement sensing assembly 140 and the tilt sensing assembly 150 by controlling the switching of the first state and the second state of the processing module 110. Preferably, when the sensing terminal 100 adopted by the geological disaster monitoring and early warning system provided by this embodiment is the wireless sensing terminal 102, the first acceleration sensing component 120 can indirectly control the activation or the dormancy of the first Lora communication unit 170 by controlling the switching between the first state and the second state of the processing module 110.
Preferably, the first state of the processing module 110 is a sleep state, and the second state is an operating state. Preferably, the inertial measurement sensing assembly 140 and the tilt angle sensing assembly 150 may share a power control interface. Preferably, in actual deployment, the initial state of the sensing terminal 100 is that the processing module 110 is in the first state, the power supply of the inertial measurement sensing component 140 and the tilt angle sensing component 150 is cut off to make them sleep, and the first acceleration sensing component 120 is in the normal working state to collect the vibration data of the object motion in real time.
Preferably, when the vibration data collected by the first acceleration sensing assembly 120 is lower than a preset threshold, the first acceleration sensing assembly 120 keeps collecting the vibration data of the object motion in real time without performing other operations, and each assembly of the sensing terminal 100 keeps an initial state. When the vibration data collected by the first acceleration sensing component 120 changes from being lower than the preset threshold to being higher than the preset threshold, the first acceleration sensing component 120 generates a wake-up interrupt signal and sends the "wake-up interrupt signal" to the processing module 110 through the interface. The processing module 110 switches from the first state to the second state in response to receipt of the wake-up interrupt signal. Preferably, the processing module 110 entering the second state turns on power supply of the inertial measurement sensing component 140 and the tilt angle sensing component 150 through a power supply control interface shared by the inertial measurement sensing component 140 and the tilt angle sensing component 150, so that the inertial measurement sensing component 140 can acquire trajectory data of the motion of the object, and the tilt angle sensing component 150 can acquire attitude data of the motion of the object. Preferably, the processing module 110 enters the second state and receives data collected by the first acceleration sensing assembly 120, the inertial measurement sensing assembly 140, and the tilt sensing assembly 150. Preferably, the processing module 110 in the second state fuses data collected by each sensing component and transmits the fused data to the computing terminal 200 for computational analysis. Preferably, the geological disaster monitoring and early warning system has higher requirements on real-time performance. The sensing terminal 100 of the present embodiment is preferably wired to transmit data to the computing terminal 200, and uses the high-speed communication port 221 for data transmission. In a use environment (such as a cliff) where the wiring operation is inconvenient, the geological disaster monitoring and early warning system of the embodiment uses the wireless sensing terminal 102 to collect data. Preferably, the wireless sensing terminal 102 performs wireless communication using the configured first Lora communication unit 170. Preferably, the first Lora communication unit 170 is connected with the processing module 110 through an interface. The processing module 110 can transmit data to the first Lora communication unit 170 through an interface. The processing module 110 may also control the power supply of the first Lora communication unit 170 through an interface. The first acceleration sensing assembly 120 can indirectly control the activation or the sleep of the first Lora communication unit 170 by controlling the switching of the first state and the second state of the processing module 110. Preferably, the processing module 110 cuts off power supply to the first Lora communication unit 170 through the interface to make it sleep when in the first state. When the processing module 110 is in the second state, the processing module 110 only turns on the power supply of the first Lora communication unit 170 to perform data transmission when the data collected by the sensing assemblies needs to be transmitted to the computing terminal 200 after being fused. Preferably, when the sensing terminal 100 does not need to transmit data to the computing terminal 200, the processing module 110 cuts off power supply to the first Lora communication unit 170 through the interface, so that system power consumption is reduced, and power consumption waste caused by live operation of the first Lora communication unit 170 when data transmission is not needed is avoided. When the vibration data collected by the first acceleration sensing component 120 changes from being higher than the preset threshold to being lower than the preset threshold, the first acceleration sensing component 120 generates a sleep interrupt signal and sends the sleep interrupt signal to the processing module 110 through the interface. Preferably, the processing module 110 enters the first state of lower power consumption from the second state of higher power consumption in response to the receipt of the sleep signal. The processing module 110 turns off power to the inertial measurement sensing component 140 and the tilt sensing component 150 via the interface into a sleep state in response to the receipt of the sleep signal. The first acceleration sensing component 120 generates a wake-up signal or a sleep signal by monitoring the relationship between the collected data and the threshold value, so as to control the working state of the processing module 110, so that the power consumption of the geological disaster monitoring and early warning system of the embodiment can be reduced under the condition of normal operation.
Preferably, the sensing terminal 100 of the present embodiment arranges the first acceleration sensing component 120, the inertia measurement sensing component 140 and the tilt angle sensing component 150 on the same board body in a manner that they are axially aligned with each other so that the collected data are aligned, which facilitates the processing module 110 to process the data collected by the first acceleration sensing component 120, the inertia measurement sensing component 140 and the tilt angle sensing component 150. Specifically, referring to fig. 18, the first acceleration sensing assembly 120, the inertial measurement sensing assembly 140, and the tilt angle sensing assembly 150 are disposed on the same plate in axial alignment. Preferably, after the first acceleration sensing component 120, the inertial measurement sensing component 140 and the tilt angle sensing component 150 are disposed on the same board body in an axis alignment manner, at least one reference parameter is the same when data acquisition is performed on the first acceleration sensing component 120, the inertial measurement sensing component 140 and the tilt angle sensing component 150, which is convenient for the processing module 110 and the computing terminal 200 of the terminal 100 to perform fusion processing on data from different sensing components. Preferably, the core components of the first acceleration sensing assembly 120, the inertial measurement sensing assembly 140, and the tilt sensing assembly 150 all include accelerometers. The sensing terminal 100 of this embodiment may set a plurality of sensing components using accelerometers as core devices on a board body of the same circuit structure in an axis alignment manner, so that at least one parameter (e.g., position height, relative coordinate, etc.) of the sensing components is the same, and thus the number of parameters that the processing module 110 of the sensing terminal 100 and the computing terminal 200 need to process when fusing data collected by the sensing components can be reduced, fast processing is achieved, and time spent by the geological disaster monitoring and early warning system of this embodiment when analyzing object motion is indirectly reduced. Preferably, the first acceleration sensing assembly 120, the inertial measurement sensing assembly 140 and the tilt angle sensing assembly 150 are disposed on the plate body at a location away from the surrounding mechanical mounting holes, thereby avoiding external stresses from being transmitted to the sensors. The sensing terminal 100 of the embodiment places each sensing component on the circuit board in the middle, so that the problem that the data acquisition result of the sensing component is inaccurate due to the fact that the sensing component is placed on the circuit board when the stress generated by the circuit board is transferred to the circuit board when the sensing terminal 100 is packaged is avoided.
Preferably, the cloud server 300, the computing terminal 200, the first Lora communication unit 170, the first acceleration sensing assembly 120, the inertia measurement sensing assembly 140, the tilt angle sensing assembly 150, the processing module 110, and other assemblies and their connected components used in this embodiment are the same as those in embodiments 1, 2, and 3, and are not described herein again.
Example 5
This embodiment is a further improvement on embodiments 1, 2, 3, and 4, and repeated details are not repeated. In this embodiment, the general object motion analysis system based on the intelligent motion sensing terminal can be a power transmission line engineering safety monitoring and early warning system. In the field of safety monitoring and early warning of power transmission line engineering, the general object motion analysis system can utilize the sensing terminal 100 to acquire vibration data, attitude data and trajectory data, calculate and analyze the inclination of the power tower and the power line elliptical waving through the computing terminal 200, detect the dangerous conditions of the power tower and the power line waving, and upload the calculation and analysis results to the cloud server 300 through the computing terminal 200 to process the corresponding dangerous conditions, so that the digital upgrading of the safety monitoring of the power transmission line engineering is realized.
In the field of safety monitoring and early warning of power transmission line engineering, the traditional technical scheme uses an acceleration sensor to measure displacement data, but the acceleration sensor is difficult to measure the track of motion in space, so that the measurement error is large, the track is measured by using a video concentric circle monitoring method, the power consumption of equipment is high, and the construction and installation are inconvenient. The power transmission line engineering safety monitoring and early warning system provided by the embodiment analyzes the conditions such as the power line galloping track and the inclination of the power iron tower based on the sensing terminal 100 capable of simultaneously collecting vibration data, attitude data and track data, and uploads the analysis result to the cloud server 300 to realize safety monitoring and early warning.
The power transmission line engineering safety monitoring and early warning system provided by the embodiment comprises a sensing terminal 100, a computing terminal 200 and a cloud server 300. The sensing terminal 100 can be configured with sensing components including a first acceleration sensing component 120, a second acceleration sensing component 160, and/or an inertial measurement sensing component 140 and/or a tilt sensing component 150.
Preferably, the sensing terminal 100 can include one or a combination of several sensing components among the processing module 110, the first acceleration sensing component 120 and the second acceleration sensing component 160, the inertial measurement sensing component 140 and the tilt sensing component 150. The first acceleration sensing assembly 120, the second acceleration sensing assembly 160, and/or the inertial measurement sensing assembly 140 and/or the tilt sensing assembly 150 are each interfaced with the processing module 110. The second acceleration sensing assembly 160 and/or the inertial measurement sensing assembly 140 and/or the tilt angle sensing assembly 150 can perform data acquisition directly or indirectly in response to instructions generated by the first acceleration sensing assembly 120 based on changes in the acquired data.
Preferably, the processing module 110 has at least a first state and a second state different from the first state. The first acceleration sensing assembly 120 can control the activation or deactivation of the second acceleration sensing assembly 160 and/or the inertial measurement sensing assembly 140 and/or the tilt sensing assembly 150 by controlling the switching of the first state and the second state of the processing module 110. The first state of the processing module 110 is a sleep state, and the second state is an operating state.
Preferably, in actual deployment, in an initial state, the processing module 110 is in a first state; the first acceleration sensing assembly 120 is in a normal power supply working state; the second acceleration sensing assembly 160 and/or the inertial measurement sensing assembly 140 and/or the tilt sensing assembly 150 are in a powered off sleep state.
When the data collected by the first acceleration sensing component 120 exceeds the preset threshold, the first acceleration sensing component 120 generates an interrupt signal and sends the "interrupt signal" to the processing module 110 through the interface. The processing module 110 switches from the first state to the second state in response to receipt of the interrupt signal. The processing module 110 entering the second state turns on the power supply of the second acceleration sensing component 160 and/or the inertial measurement sensing component 140 and/or the tilt angle sensing component 150 through the interface according to the usage requirement, so that the second acceleration sensing component 160 and/or the inertial measurement sensing component 140 and/or the tilt angle sensing component 150 perform data acquisition, and the processing module 110 transmits the data acquired by each sensing component to the computing terminal 200 for computational analysis.
Preferably, when monitoring and early warning the power line waving trajectory, the sensing terminal 100 of the present embodiment may be integrated with the first acceleration sensing component 120, the second acceleration sensing component 160, and the inertial measurement sensing component 140. Preferably, the second acceleration sensing assembly 160 is capable of collecting vibration data at a higher frequency than the first acceleration sensing assembly 120. The first acceleration sensing assembly 120 is provided with a first threshold and is above a second threshold. When the threshold acquired by the first acceleration sensing component 120 is lower than the first threshold, the first acceleration sensing component 120 does not generate an interrupt signal to switch the first state of the processing module 110 to the second state. The first acceleration sensing assembly 120 keeps data acquisition from other operations. When the threshold value acquired by the first acceleration sensing assembly 120 is higher than the first threshold value and lower than the second threshold value, the first acceleration sensing assembly 120 keeps acquiring data and generates an interrupt signal at the same time, so that the processing module 110 responds to "receiving of the interrupt signal" and switches from the first state to the second state, at this time, the first acceleration sensing assembly 120 can accurately acquire vibration data, and the processing module 110 only needs to turn on the power supply of the inertia measurement sensing assembly 140, so that the inertia measurement sensing assembly 140 acquires track data. The processing module 110 processes the data collected by the first acceleration sensing component 120 and the inertia measurement sensing component 140 and then transmits the processed data to the computing terminal 200 for computation and analysis, and at this time, the processing module 110 does not need to start the second acceleration sensing component 160. When the threshold value acquired by the first acceleration sensing assembly 120 is higher than the second threshold value, the first acceleration sensing assembly 120 cannot accurately acquire data, and the processing module 110 needs to start the second acceleration sensing assembly 160 to acquire data while starting the inertia measurement sensing assembly 140 to acquire trajectory data.
Preferably, in the sensing terminal 100 of the present embodiment, the first acceleration sensing component 120 and the second acceleration sensing component 160, the inertia measurement sensing component 140 and the tilt angle sensing component 150 are disposed on the same board body in a manner that they are axially flush with each other so that the collected data are aligned, so that the processing module 110 can process the data collected by the first acceleration sensing component 120 and the second acceleration sensing component 160, the inertia measurement sensing component 140 and the tilt angle sensing component 150. Specifically, the first acceleration sensing assembly 120 and the second acceleration sensing assembly 160, and one or more of the inertial measurement sensing assembly 140 and the tilt angle sensing assembly 150 are disposed on the same plate in an axially aligned manner. Preferably, after one or more sensing assemblies of the first acceleration sensing assembly 120, the second acceleration sensing assembly 160, the inertia measurement sensing assembly 140, and the tilt angle sensing assembly 150 are disposed on the same plate body in an axis alignment manner, at least one reference parameter is the same when data acquisition is performed on the one or more sensing assemblies of the first acceleration sensing assembly 120, the second acceleration sensing assembly 160, the inertia measurement sensing assembly 140, and the tilt angle sensing assembly 150, so that the processing module 110 and the computing terminal 200 of the terminal 100 perform fusion processing on data from different sensing assemblies. Preferably, the core components of the first acceleration sensing assembly 120, the second acceleration sensing assembly 160, the inertial measurement sensing assembly 140, and the tilt sensing assembly 150 all include accelerometers. The sensing terminal 100 of this embodiment can set a plurality of sensing components using accelerometers as core devices on a board body of the same circuit structure in an axis alignment manner, so that at least one parameter (for example, position height, relative coordinate, etc.) of the sensing components is the same, and thus, by reducing the number of parameters to be processed when the processing module 110 of the sensing terminal 100 and the computing terminal 200 perform fusion processing on data collected by the sensing components, rapid processing is realized, and time consumed by the power transmission line engineering safety monitoring and early warning system of this embodiment when performing object motion analysis is reduced. Preferably, each sensing component in the sensing terminal 100 is disposed on the circuit board body at a position far away from the mechanical mounting hole, so as to avoid inaccurate data collecting results of the sensing component caused by external stress transmitted to the sensor.
Preferably, the components and their connected components of the cloud server 300, the computing terminal 200, the first Lora communication unit 170, the first acceleration sensing component 120, the inertia measurement sensing component 140, the tilt sensing component 150, and the processing module 110 used in this embodiment are the same as those in embodiments 1, 2, 3, and 4, and are not described again here.
It should be noted that the above-mentioned embodiments are exemplary, and that those skilled in the art, having benefit of the present disclosure, may devise various arrangements that are within the scope of the present disclosure and that fall within the scope of the invention. It should be understood by those skilled in the art that the present specification and figures are illustrative only and are not limiting upon the claims. The scope of the invention is defined by the claims and their equivalents. Throughout this document, the features referred to as "preferably" are only optional and should not be understood as necessarily requiring that such applicant reserves the right to disclaim or delete any relevant preferred feature at any time. The present description contains a plurality of inventive concepts such as "preferably", "according to a preferred embodiment" or "optionally" each indicating that the respective paragraph discloses a separate concept, the applicant reserves the right to apply for divisional applications according to each inventive concept.
Claims (10)
1. A general object motion analysis system based on an intelligent motion sensing terminal is characterized by at least comprising a sensing terminal (100), a computing terminal (200) and a cloud server (300),
the sensing terminal (100) acquires data of a target object;
the computing terminal (200) receives the data collected by the sensing terminal (100) and performs computational analysis on the data collected by the sensing terminal (100), and the computing terminal (200) sends a computational analysis result to the cloud server (300) after completing the computational analysis;
the cloud server (300) responds to the calculation analysis result of the calculation terminal (200) to perform corresponding management and control;
the sensing terminal (100) is at least provided with a processing module (110), a first acceleration sensing component (120) and a second acceleration sensing component (160), wherein the processing module (110) is connected with the first acceleration sensing component (120) and the second acceleration sensing component (160) through an interface so as to realize data receiving and power supply control of the first acceleration sensing component (120) and the second acceleration sensing component (160).
2. The system for universal object motion analysis according to claim 1, wherein the sensing terminals (100) comprise both wired sensing terminals (101) and wireless sensing terminals (102); the wired sensing terminal (101) can transmit collected data through a data line connected with a communication port (220); the wireless sensing terminal (102) can transmit the acquired data to the computing terminal (200) in a wireless transmission mode through the configured first Lora communication unit (170) for computing and analyzing.
3. The system for analyzing the motion of a general object according to claim 1 or 2, wherein the computing terminal (200) establishes communication with the cloud server (300) by using the configured 4G communication unit (240) to upload a result of computational analysis generated by the computing terminal (200) after performing computational analysis on data collected by the sensing terminal (100) received by the configured second Lora communication unit (230) or the configured communication port (220) to the cloud server (300).
4. A system for universal object motion analysis according to any of claims 1-3, wherein the processing module (110) has at least a first state and a second state different from the first state, and the first acceleration sensing component (120) is capable of controlling the switching of the first state and the second state of the processing module (110) via an interface and thereby controlling the enabling/disabling of the second acceleration sensing component (160).
5. The system for universal object motion analysis according to any one of claims 1 to 4, wherein the first acceleration sensing assembly (120) and the second acceleration sensing assembly (160) are disposed on the same board body in a manner that they are axially flush with each other such that the collected data are aligned, thereby facilitating the processing module (110) to process the data collected by the first acceleration sensing assembly (120) and the second acceleration sensing assembly (160).
6. The system for analyzing the motion of the general object according to any one of claims 1 to 5, wherein the processing module (110) comprises a processing chip (111), a random access memory (112) and a read only memory (113), the processing chip (111) is electrically connected with the random access memory (112) and the read only memory (113), respectively, and the processing module (110) can realize on-off control of power supplies of the random access memory (112) and the read only memory (113) through switching between a first state and a second state.
7. The system for analyzing the motion of the general object according to any one of claims 1 to 6, wherein the second acceleration sensing component (160) at least comprises a second acceleration sensor (161), a filter (162), a voltage follower (163) and a high-speed ADC (164), and the second acceleration sensor (161) transmits the acquired data in the single axial direction of the acquired alternating current to the processing module (110) for processing through a communication protocol interface after sequentially passing through the filter (162), the voltage follower (163) and the high-speed ADC (164).
8. The system for analyzing the motion of the general object as claimed in any one of claims 1 to 7, wherein the model of the wired sensing terminal (101) of the sensing terminal (100) can be connected to the repeater (400) through the communication port (220) in a wired manner, the repeater (400) establishes wireless communication with the second Lora communication unit (230) configured in the computing terminal (200) through the third Lora communication unit (410) configured, and the wired sensing terminal (101) can indirectly transmit the collected data to the computing terminal (200) through the repeater (400) for computing analysis.
9. The system for analyzing the motion of the universal object according to any one of claims 1 to 8, wherein the model of the wireless sensing terminal (102) of the sensing terminal (100) can directly establish wireless communication with the second Lora communication unit (230) configured on the computing terminal (200) through the configured first Lora communication unit (170), so that the acquired data can be directly transmitted to the computing terminal (200) for computational analysis.
10. The system for analyzing the motion of the general object according to any one of claims 1 to 9, wherein the model of the wired sensing terminal (101) of the sensing terminal (100) can be connected with the computing terminal (200) in a wired mode through a communication port (220) to establish a real-time data connection with the computing terminal (200), so that the collected data can be directly transmitted to the computing terminal (200) in real time for computing and analyzing.
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CN202211112754.7A CN115497255B (en) | 2021-04-15 | 2021-10-22 | Geological disaster monitoring and early warning system |
CN202211301220.9A CN115665687A (en) | 2021-04-15 | 2021-10-22 | Ocean disaster monitoring and early warning system |
CN202211389350.2A CN116017339A (en) | 2021-04-15 | 2021-10-22 | Civil engineering structure safety monitoring and early warning system |
CN202211545264.6A CN116437307A (en) | 2021-04-15 | 2021-10-22 | Power transmission line engineering safety monitoring and early warning system |
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CN202211545264.6A Division CN116437307A (en) | 2021-04-15 | 2021-10-22 | Power transmission line engineering safety monitoring and early warning system |
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