CN220357098U - External meter reading device falling state detection system - Google Patents
External meter reading device falling state detection system Download PDFInfo
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- CN220357098U CN220357098U CN202321873376.4U CN202321873376U CN220357098U CN 220357098 U CN220357098 U CN 220357098U CN 202321873376 U CN202321873376 U CN 202321873376U CN 220357098 U CN220357098 U CN 220357098U
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Abstract
The utility model relates to the technical field of external meter readers, in particular to a detection system for the falling state of an external meter reader; the data acquisition module is established between the processing module and the sensor module, so that the processing module can acquire acceleration data of the sensor module through the data acquisition module in an active query mode, or periodically actively transmit the acceleration data to the processing module through the data acquisition module, so that the processing module can judge whether the external meter reading device is in a falling state or not through comparison with an internal set value to complete a logic judgment process, the data of the judgment result is sent to a remote server through the communication module, and the calibration module matched with the processing module trains through logic judgment of the processing module, thereby being beneficial to improving the accuracy of judging whether the external meter reading device is in the falling state or not; the problem that whether the external meter reading device falls down or not is difficult to judge remotely in the prior art is solved.
Description
Technical Field
The utility model relates to the technical field of external meter readers, in particular to a detection system for a falling state of an external meter reader.
Background
The external meter reading device adopts a wireless communication technology, obtains the internal data of the electric meter through photographing or infrared mode, then transmits the data to a remote server through a 4G/5G wireless communication network, and then collates and displays the data to operation and maintenance personnel.
However, when the external meter reading device is used in operation, the fastener is possibly loosened due to overlong use time, or the external force such as strong wind is applied to the external meter reading device to cause the loosening, so that the external meter reading device finally causes the falling condition, and then the external meter reading device can not read the ammeter data stably in a photographing or infrared mode, but the background can not accurately judge the falling condition of the external meter reading device, so that the accuracy of remote meter reading data is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a detection system for the falling state of an external meter reading device, which solves the problem that whether the external meter reading device falls off or not is difficult to judge remotely in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an external meter reader fall state detection system, comprising:
the sensor module is used for detecting acceleration change data of the external meter reading device;
the data acquisition module is used for receiving the acceleration change data transmitted by the sensor module;
the processing module is used for sending an instruction, acquiring acceleration change data of the external meter reading device detected by the sensor module through the data acquisition module, and judging whether the external meter reading device falls down or not according to the acceleration change data;
the communication module is used for receiving the remote instruction to control the processing module to send an instruction to the data acquisition module and transmitting the data of whether the external meter reading device falls down to the remote server according to the calculation data of the processing module.
Preferably, the meter reading device further comprises a calibration module, wherein the calibration module is used for comparing the acceleration change data received by the processing module with the actual acceleration change data of the external meter reading device and calibrating the processing result of the electric signal of the processing module.
Preferably, the sensor module further comprises a precision adjusting module, wherein the precision adjusting module is used for compensating offset errors and gain errors of the sensor module.
Preferably, the model of the sensor module is SC7a20.
Preferably, the system further comprises a wake-up module, wherein the wake-up module is used for driving the data acquisition module to automatically sleep and activate, and the wake-up module is driven by the processing module.
Preferably, the data acquisition module includes an I disposed between the sensor module and the processing module for communication 2 C/SPI interface.
Compared with the prior art, the utility model provides a detection system for the falling state of an external meter reading device, which has the following beneficial effects:
1. the data acquisition module is established between the processing module and the sensor module, so that the processing module can acquire acceleration data of the sensor module through the data acquisition module in an active query mode, or periodically actively transmit the acceleration data to the processing module through the data acquisition module, and therefore the processing module is compared with an internal set value to complete a logic judgment process, whether the external meter reading device is in a falling state or not is confirmed, and data of a judgment result are sent to a remote server through the communication module, the purpose of remotely monitoring whether the external meter reading device is in the falling state or not is achieved, and the external meter reading device is ensured to be in a normal working state.
2. And the calibration module is matched with the processing module, and the logic judgment of the processing module is trained through actively set data, so that the accuracy of judging whether the external meter reading device is in a falling state or not by the processing module according to the acceleration data is improved.
3. The wake-up module is controlled by the processing module and is used for controlling the data transmission channel of the data acquisition module to periodically and automatically start and sleep, so that the sensor module can be in a sleep state when acceleration data are not required to be acquired, and electric energy can be greatly saved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:
FIG. 1 is a schematic block diagram of a detection system of the present utility model;
FIG. 2 is a schematic block diagram of a detection data acquisition module of the present utility model;
FIG. 3 is an internal block diagram of the detection system of the present utility model.
In the figure: 1. a sensor module; 2. a data acquisition module; 3. a processing module; 4. a communication module; 5. a calibration module; 6. a precision adjusting module; 7. and waking up the module.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.
Fig. 1-3 are diagrams showing an embodiment of the present utility model, and by combining related hardware and software, automatic detection and judgment of an external meter reading device are realized, when the external meter reading device falls, the condition of the external meter reading device can be accurately judged and sent to a remote server, so that an operation and maintenance person can conveniently and timely overhaul the external meter reading device, and the accuracy and stability of remote meter reading work are ensured.
An external meter reader fall state detection system, comprising:
the sensor module 1 is used for detecting acceleration change data of the external meter reading device, whether the external meter reading terminal is in a weightless state is detected through the sensor module 1, the sensor module 1 is an MCU, in the weightless state, three axes in the sensor module 1 can generate different deformation amounts due to weightless, and meanwhile acceleration data of X, Y and Z three axes of the sensor module 1 when the external meter reading device collides at a falling position can be obtained.
The data acquisition module 2 is configured to receive acceleration change data transmitted by the sensor module 1, where the acceleration measurement data of the sensor module 1 is transmitted in a periodic reporting manner or in a query manner, where the periodic reporting manner is that the sensor module 1 automatically uploads data periodically to the data acquisition module 2 for storage and further transmission, and the query manner is that the data acquisition module 2 actively sends out an instruction to obtain triaxial acceleration data of the sensor module 1 and uploads the triaxial acceleration data to other relevant modules.
The processing module 3 is used for sending out an instruction to collect acceleration change data of the external meter reading device detected by the sensor module 1 through the data collection module 2, judging whether the external meter reading device falls according to the acceleration change data, and judging whether the sensor module 1 and the external meter reading device are in a falling state according to acceleration value changes of different times of the sensor module 1, wherein the data collection module 2 obtains corresponding characteristic value sizes through the sensor module 1, then compares the preset characteristic value sizes with the characteristic value sizes collected by the data collection module 2, so that whether the external meter reading device is in the falling state or not is judged, the processing module 3 sends out the instruction to periodically obtain the acceleration data of the sensor module 1 through the data collection module 2, and judges whether the sensor module 1 and the external meter reading device are in the falling state according to acceleration value changes of different times of the sensor module 1, and meanwhile, when the external meter reading device is in the weightlessness state, the sensor module 1 is caused to change of triaxial acceleration of the sensor module 1 is larger, and the processing module 3 can also actively send the instruction to the external meter reading device according to the acceleration change data of the data collection module 3.
The communication module 4 is used for receiving the remote instruction, controlling the processing module 3 to send an instruction to the data acquisition module 2, and transmitting the data of whether the external meter reading device falls to the remote server according to the calculated data of the processing module 3, on one hand, the remote server can passively receive the data of whether the external meter reading device is in a falling state, and on the other hand, the remote server can also actively send the instruction to control the corresponding module to actively acquire the data of whether the external meter reading device is in the falling state, namely the triaxial acceleration data of the sensor module 1.
Therefore, through the cooperation of the modules, the processing module 3 can actively send out instructions to acquire the acceleration data of the sensor module 1 through the data acquisition module 2, and the sensor module 1 can also periodically transmit the acceleration data to the processing module 3 through the data acquisition module 2, so that the processing module 3 can process and compare the data to judge whether the external meter reading device is in a falling state or not, and transmit the judging result to a remote server through the communication module 4, thereby completing the remote monitoring of whether the external meter reading device is in the falling state or not.
As the preferred technical scheme of the embodiment, the meter reading device further comprises a calibration module 5, the calibration module 5 is used for comparing the acceleration change data received by the processing module 3 with the actual acceleration change data of the external meter reading device, and calibrating the processing result of the electrical signal of the processing module 3, model training is carried out by adopting a tensorf low deep learning algorithm, the characteristic values comprise an x-axis (left-right inclined value), a y-axis (front-rear inclined value), a z-axis (up-down movement) and the like through extracting the characteristic values and optimizing the model, the characteristic values adopt a format of a floating point value taking m/s 2 as a unit, the initial random weight is far from the optimal value from the initial data model, the learning rate is gradually reduced after a period of training, the random weight is gradually close to the optimal value, the characteristic value of the data model is increasingly clear, the fine granularity weight value of the characteristic value is continuously optimized and updated, so that the accuracy of judging whether the external meter reading device is in a falling state or not is gradually improved by the processing module 3, the external meter reading terminal falling judgment result is given by the data model of the tensorf machine learning algorithm of the calibration module 5, whether the external meter reading terminal falling judgment result is detected by the external meter reading device, and whether the external meter reading device is in the abnormal condition is further improved or not.
As the preferred technical scheme of the embodiment, the meter reading device further comprises an accuracy adjusting module 6, wherein the accuracy adjusting module 6 is used for compensating offset errors and gain errors of the sensor module 1, and comprises a plurality of adjustable full-range measuring ranges including +/-2G, +/-4G, +/-8G, +/-16G and the like, the acceleration of the external meter reading device is flexibly measured, the output data rate is selectable between 1HZ and 400HZ, so that the meter reading device can be pertinently adjusted according to the specific use environment of the external meter reading device, and the misjudgment probability of the processing module 3 caused by the influence of the external environment is reduced.
As the preferred technical scheme of the embodiment, the model of the sensor module 1 is SC7A20, and the SC7A20 acceleration sensor is an existing triaxial acceleration sensor, has the characteristics of small volume, rich functions and high precision, and is relatively suitable for being used in an external meter reading device.
As a preferred technical scheme of the embodiment, the meter reading device further comprises a wake-up module 7, the wake-up module 7 is used for driving the data acquisition module 2 to automatically sleep and activate, the wake-up module 7 is driven by the processing module 3, the wake-up module 7 controls the data acquisition module 2 used for communication between the processing module 3 and the sensor module 1, when the processing module 3 needs to actively acquire acceleration data of the sensor module 1 through the data acquisition module 2, the data acquisition module 2 is actively activated through the wake-up module 7 so as to acquire the acceleration data of the sensor module 1, and when the acceleration is not required to be actively acquired, the data acquisition module 2 and the accuracy adjustment module 6 are kept in a sleep state, so that the power consumption of the sensor module 1, the data acquisition module 2 and the accuracy adjustment module 6 can be greatly reduced, and the service time of the external meter reading device is prolonged.
As a preferred technical solution of the present embodiment, the data acquisition module 2 includes an I set between the sensor module 1 and the processing module 3 for communication 2 The C/SPI interface is used for periodically reporting acceleration measurement data of the sensor module 1 or acquiring the acceleration measurement data in a query mode of the processing module 3, wherein the periodic reporting mode is formed by sensingThe trigger is carried out by measuring the three-dimensional acceleration data change value by the module 1 through I 2 The C interface actively reports the measurement data to the processing module 3, meanwhile, the processing module 3 can also actively query the data of the sensor module 1 through the SPI interface, the processing module 3 initiates a measurement data query request, then the sensor module 1 feeds back the three-dimensional acceleration data at the current moment, and the processing module 3 can control I 2 The on-off of the C interface or the SPI interface realizes the control of starting and dormancy of the sensor module 1, so that the falling state of the external meter reading device is obtained only at fixed time of each day, electric energy is saved, if the model of the sensor module 1 is SC7A20, the power consumption of the SC7A20 can be reduced to below 1.5 eta A by controlling and waking up the SC7A20 module through the MCU through the interface of INT1 and INT2 interrupt pins of the SC7A20 and two SDIO pins of the MCU.
It should be noted that, in the system provided in the foregoing embodiment, when implementing the functions thereof, only the division of the foregoing functional modules is used as an example, in practical application, the foregoing functional allocation may be implemented by different functional modules, that is, the internal structure of the device is divided into different functional modules, so as to implement all or part of the functions described above.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a detecting system of external meter reading ware fall state which characterized in that includes:
the sensor module (1) is used for detecting acceleration change data of the external meter reading device;
the data acquisition module (2) is used for receiving acceleration change data transmitted by the sensor module (1);
the processing module (3) is used for sending an instruction, acquiring acceleration change data of the external meter reading device detected by the sensor module (1) through the data acquisition module (2), and judging whether the external meter reading device falls or not according to the acceleration change data;
the communication module (4), communication module (4) are used for receiving remote instruction control processing module (3) and send the instruction to data acquisition module (2), and whether the data transmission that whether external meter reading ware falls to the remote server is according to the calculation data of processing module (3).
2. The system for detecting the falling state of an external meter reading device according to claim 1, wherein: the meter reading device further comprises a calibration module (5), wherein the calibration module (5) is used for comparing the acceleration change data received by the processing module (3) with the actual acceleration change data of the external meter reading device and calibrating the processing result of the electric signal of the processing module (3).
3. The system for detecting the falling state of an external meter reading device according to claim 1, wherein: the sensor module further comprises a precision adjusting module (6), wherein the precision adjusting module (6) is used for compensating offset errors and gain errors of the sensor module (1).
4. The system for detecting the falling state of an external meter reading device according to claim 1, wherein: the model of the sensor module (1) is SC7A20.
5. The system for detecting the falling state of an external meter reading device according to claim 1, wherein: the system further comprises a wake-up module (7), wherein the wake-up module (7) is used for driving the data acquisition module (2) to automatically sleep and activate, and the wake-up module (7) is driven by the processing module (3).
6. The system for detecting the falling state of an external meter reading device according to claim 1, wherein: the data acquisition module (2) comprises an I which is arranged between the sensor module (1) and the processing module (3) and is used for communication 2 C/SPI interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321873376.4U CN220357098U (en) | 2023-07-17 | 2023-07-17 | External meter reading device falling state detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202321873376.4U CN220357098U (en) | 2023-07-17 | 2023-07-17 | External meter reading device falling state detection system |
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| CN220357098U true CN220357098U (en) | 2024-01-16 |
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| CN202321873376.4U Active CN220357098U (en) | 2023-07-17 | 2023-07-17 | External meter reading device falling state detection system |
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- 2023-07-17 CN CN202321873376.4U patent/CN220357098U/en active Active
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