CN117238090A - Life saving equipment displacement monitoring method, device, equipment and storage medium - Google Patents
Life saving equipment displacement monitoring method, device, equipment and storage medium Download PDFInfo
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Abstract
The application discloses a displacement monitoring method, a device, equipment and a storage medium of life-saving equipment, wherein the method comprises the steps of obtaining vibration sensing information of a vibration sensor and generating a first awakening instruction of a positioning module; acquiring position information perceived by a positioning module at intervals of a first preset time, and generating a position information array with data items increasing continuously; generating a real-time position change vector by using the ordered adjacent position information codes; and judging whether the displacement action of the current life-saving equipment is abnormal or not based on the change vector and the standard position change vector. According to the application, the positioning module is awakened when the vibration sensing information meets the requirement, and the real-time position change vector is generated according to the position information acquired at intervals of the first preset time, so that whether the movement of the lifesaving equipment is abnormal or not is judged through the real-time position change vector and the standard position change vector, and therefore, the scheme capable of carrying out displacement monitoring on the lifesaving equipment is provided, and the scheme is low in power consumption and high in early warning accuracy rate, so that malicious theft is prevented.
Description
Technical Field
The present application relates to the field of monitoring technologies of lifesaving devices, and in particular, to a method, an apparatus, a device, and a storage medium for monitoring displacement of a lifesaving device.
Background
In order to practically prevent drowning accidents, the relevant responsibility units usually set up a life-saving equipment storage box in the regions such as river sides, seasides or the periphery of a reservoir, and life-saving equipment such as life jackets, life rings and life rods is reserved in the life-saving equipment storage box to realize emergency rescue when the drowning accidents happen, and the importance of the life-saving equipment is rapidly improved when the drowning accidents happen although the life-saving equipment is low in value, so that the life-saving equipment is monitored in terms of displacement of the life-saving equipment to prevent malicious theft, and the life-saving equipment is a function which needs to be equipped urgently at present.
At present, for monitoring of the life-saving equipment in the life-saving equipment storage box, manual inspection or simple detection of opening of the storage box is generally adopted, so that the mobile monitoring of the life-saving equipment cannot be realized, and the loss of the life-saving equipment cannot be found in time when the life-saving equipment faces malicious theft; meanwhile, as peripheral personnel and peripheral environments of the river, sea or reservoir peripheral areas are complex, more false alarm signals can be generated in conventional vibration monitoring, and the monitoring accuracy is affected; moreover, the life-saving equipment needs to have ultra-long endurance, so that displacement monitoring for the life-saving equipment needs to have more reasonable low-power consumption control.
Therefore, how to provide a scheme that can shift and monitor the life-saving equipment, and has low power consumption and high early warning accuracy, so as to prevent malicious theft is a technical problem that needs to be solved.
Disclosure of Invention
The application mainly aims to provide a displacement monitoring method, device and equipment for life-saving equipment and a storage medium, and aims to solve the technical problems of low timeliness and accuracy of current life-saving equipment monitoring.
In order to achieve the above object, the present application provides a displacement monitoring method for a life saving apparatus, the displacement monitoring apparatus including a controller provided to the life saving apparatus, and a vibration sensor, a positioning module and a communication module connected to the controller, the method comprising the steps of:
obtaining vibration sensing information of the vibration sensor, and judging whether the vibration sensing information meets a movement judgment requirement or not; if yes, generating a first wake-up instruction of the positioning module so that the positioning module perceives the position information of the life-saving equipment;
acquiring the position information perceived by the positioning module at intervals of a first preset time, and generating a position information array with data items increasing continuously; the data items in the position information array are position information codes formed by position coordinate codes perceived by the positioning module and timestamp codes;
time ordering the position information codes according to the timestamp codes in the position information codes, and generating a real-time position change vector by using the ordered adjacent position information codes;
based on the real-time position change vector and the standard position change vector, judging whether the displacement action of the current life-saving equipment is abnormal, if so, generating a displacement alarm signal and sending the displacement alarm signal to a monitoring cloud through a communication module.
Optionally, the step of obtaining vibration sensing information of the vibration sensor and judging whether the vibration sensing information meets the movement judgment requirement specifically includes:
acquiring a vibration signal of a vibration sensor, and extracting vibration perception information in the vibration signal; wherein the vibration sensing information includes a vibration frequency and a vibration displacement vector per unit time;
and when the vibration frequency in the unit time is in a preset vibration frequency range, and the frequency of the vibration displacement vector exceeding the standard vibration displacement vector in the unit time exceeds the preset frequency, judging that the vibration sensing information meets the movement judgment requirement.
Optionally, before the step of obtaining the vibration sensing information of the vibration sensor and judging whether the vibration sensing information reaches the movement judgment requirement, the method further includes:
acquiring a use area range of the displacement monitoring equipment; the use area range is a device use position provided by a target purchasing user extracted from a purchasing order of the shift monitoring device;
determining a wind power influence factor and a people flow influence factor based on the use area range;
and determining a preset vibration frequency range according to the wind power influence factor and the people flow influence factor, and writing the preset vibration frequency range into a displacement monitoring device sold to a target purchasing user.
Optionally, the step of determining the wind power influence factor and the people flow influence factor based on the usage area range specifically includes:
according to the equipment use position of the use area range, inquiring a comparison table of wind power grade and occurrence frequency corresponding to the position information in the latest time period in a historical wind power grade database;
matching the sum of occurrence times of the wind power level exceeding the preset level in a mapping relation table of the occurrence time range and the wind power influence factors by utilizing the comparison table to obtain the wind power influence factors corresponding to the use positions of the equipment;
inquiring the people flow in the relevant area range corresponding to the position information in the latest time period in a historical people flow database according to the position information of the use area range;
and matching the people flow in a mapping relation table of the people flow range and the wind power influence factors to obtain the people flow influence factors corresponding to the using positions of the equipment.
Optionally, the step of time ordering the position information codes according to the timestamp codes in the position information codes and generating the real-time position change vector by using the ordered adjacent position information codes specifically includes:
extracting data items consisting of position information codes in a position information array, and performing time sequencing on unknown information codes by using timestamp codes in the data items to obtain a plurality of position information codes sequenced in time sequence;
after each new position information code is obtained, the position information code vector calculation is carried out by subtracting one position code obtained recently by using the new position code, and a real-time position change vector is obtained.
Optionally, based on the real-time position change vector and the standard position change vector, judging whether the displacement action of the current life saving equipment is abnormal or not, which specifically includes:
performing vector point multiplication operation on the obtained real-time position change vector and a standard position change vector stored by the displacement monitoring equipment to obtain a vector point multiplication operation result;
and judging whether the times smaller than a preset value in the continuous preset number of dot product operation results exceeds a time threshold, if so, judging that the displacement action of the current life-saving equipment is abnormal.
Optionally, before the step of determining whether the displacement action of the current life saving equipment is abnormal based on the real-time position change vector and the standard position change vector, the method further includes:
sending a second wake-up instruction to the positioning module at intervals of a second preset time, and acquiring the perceived standard position information of the positioning module after the positioning module is awakened based on the second wake-up instruction; the standard position information is a first position coordinate with the largest occurrence number of the same position coordinate in the perceived standard position information after being awakened based on the second awakening instruction in a preset time range in the past;
acquiring perceived standard mobile position information after being awakened based on a first awakening instruction; the standard mobile position information is a second position coordinate with the largest occurrence number of position coordinate codes in the position information array;
and generating a standard position change vector of the standard position pointing to the standard movement position by taking the standard position coordinates as the standard position of the life-saving equipment and taking the standard movement position information as the standard movement position of the life-saving equipment.
In addition, in order to achieve the above object, the present application also provides a displacement monitoring device for a life saving apparatus, the device comprising:
the acquisition module is used for acquiring vibration sensing information of the vibration sensor and judging whether the vibration sensing information meets the movement judgment requirement or not; if yes, generating a first wake-up instruction of the positioning module so that the positioning module perceives the position information of the life-saving equipment;
the generating module is used for acquiring the position information perceived by the positioning module at intervals of a first preset time and generating a position information array with data items increasing continuously; the data items in the position information array are position information codes formed by position coordinate codes perceived by the positioning module and timestamp codes;
the ordering module is used for time ordering the position information codes according to the timestamp codes in the position information codes and generating a real-time position change vector by using the ordered adjacent position information codes;
the judging module is used for judging whether the displacement action of the current life-saving equipment is abnormal or not based on the real-time position change vector and the standard position change vector, if so, generating a displacement alarm signal and sending the displacement alarm signal to the monitoring cloud through the communication module.
In addition, in order to achieve the above object, the present application also provides a life saving apparatus displacement monitoring apparatus comprising: the system comprises a memory, a processor and a life saving equipment displacement monitoring program stored on the memory and capable of running on the processor, wherein the life saving equipment displacement monitoring program is executed by the processor to realize the steps of the life saving equipment displacement monitoring method.
In addition, in order to achieve the above object, the present application also provides a storage medium having stored thereon a life saving equipment displacement monitoring program which, when executed by a processor, implements the steps of the life saving equipment displacement monitoring method described above.
The application has the beneficial effects that: the application provides a displacement monitoring method, a device, equipment and a storage medium of life-saving equipment, which are characterized in that a positioning module is awakened when vibration sensing information meets the requirement, and a real-time position change vector is generated according to position information acquired every first preset time, so that whether the movement of the life-saving equipment is abnormal or not is judged through the real-time position change vector and a standard position change vector, and therefore, the scheme which can monitor the displacement of the life-saving equipment, has low power consumption and high early warning accuracy and is used for preventing malicious theft is provided.
Drawings
FIG. 1 is a schematic diagram of a device structure of a hardware operating environment according to an embodiment of the present application;
fig. 2 is a schematic flow chart of an embodiment of a method for monitoring displacement of a rescue device according to the present application;
fig. 3 is a block diagram of a displacement monitoring device for a life saving apparatus according to an embodiment of the present application.
The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
Referring to fig. 1, fig. 1 is a schematic diagram of an apparatus structure of a hardware running environment according to an embodiment of the present application.
As shown in fig. 1, the apparatus may include: a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein the communication bus 1002 is used to enable connected communication between these components. The user interface 1003 may include a Display, an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a stable memory (non-volatile memory), such as a disk memory. The memory 1005 may also optionally be a storage device separate from the processor 1001 described above.
It will be appreciated by those skilled in the art that the arrangement of the apparatus shown in fig. 1 is not limiting and may include more or fewer components than shown, or certain components may be combined, or a different arrangement of components.
As shown in fig. 1, an operating system, a network communication module, a user interface module, and a life saving device displacement monitoring program may be included in a memory 1005 as one type of computer storage medium.
In the terminal shown in fig. 1, the network interface 1004 is mainly used for connecting to a background server and performing data communication with the background server; the user interface 1003 is mainly used for connecting a client (user side) and performing data communication with the client; and the processor 1001 may be configured to invoke the rescue device displacement monitoring program stored in the memory 1005 and to perform the following operations:
obtaining vibration sensing information of the vibration sensor, and judging whether the vibration sensing information meets a movement judgment requirement or not; if yes, generating a first wake-up instruction of the positioning module so that the positioning module perceives the position information of the life-saving equipment;
acquiring the position information perceived by the positioning module at intervals of a first preset time, and generating a position information array with data items increasing continuously; the data items in the position information array are position information codes formed by position coordinate codes perceived by the positioning module and timestamp codes;
time ordering the position information codes according to the timestamp codes in the position information codes, and generating a real-time position change vector by using the ordered adjacent position information codes;
based on the real-time position change vector and the standard position change vector, judging whether the displacement action of the current life-saving equipment is abnormal, if so, generating a displacement alarm signal and sending the displacement alarm signal to a monitoring cloud through a communication module.
The specific embodiment of the present application applied to the apparatus is basically the same as each embodiment of the following method for monitoring displacement of the life saving equipment, and will not be described herein.
The embodiment of the application provides a method for monitoring displacement of life saving equipment, and referring to fig. 2, fig. 2 is a schematic flow chart of an embodiment of the method for monitoring displacement of life saving equipment.
In this embodiment, the displacement monitoring method for a lifesaving device is used for a displacement monitoring device, where the displacement monitoring device includes a controller disposed on the lifesaving device, and a vibration sensor, a positioning module and a communication module connected to the controller, and the method includes the following steps:
s100: obtaining vibration sensing information of the vibration sensor, and judging whether the vibration sensing information meets a movement judgment requirement or not; if yes, generating a first wake-up instruction of the positioning module so that the positioning module perceives the position information of the life-saving equipment;
s200: acquiring the position information perceived by the positioning module at intervals of a first preset time, and generating a position information array with data items increasing continuously; the data items in the position information array are position information codes formed by position coordinate codes perceived by the positioning module and timestamp codes;
s300: time ordering the position information codes according to the timestamp codes in the position information codes, and generating a real-time position change vector by using the ordered adjacent position information codes;
s400: based on the real-time position change vector and the standard position change vector, judging whether the displacement action of the current life-saving equipment is abnormal, if so, generating a displacement alarm signal and sending the displacement alarm signal to a monitoring cloud through a communication module.
At present, manual inspection or simple detection of opening of a storage box is generally adopted for monitoring the life-saving equipment in the storage box of the life-saving equipment, so that the mobile monitoring of the life-saving equipment cannot be realized, and the loss of the life-saving equipment cannot be found in time when the life-saving equipment faces to malicious theft; meanwhile, as peripheral personnel and peripheral environments of the river, sea or reservoir peripheral areas are complex, more false alarm signals can be generated in conventional vibration monitoring, and the monitoring accuracy is affected; moreover, the life-saving equipment needs to have ultra-long endurance, so that displacement monitoring for the life-saving equipment needs to have more reasonable low-power consumption control.
Therefore, in order to solve the problems, the application wakes up the positioning module only when the vibration sensing information of the vibration sensor reaches the movement judgment requirement by acquiring the vibration sensing information of the vibration sensor in real time, and improves the endurance of the equipment. After that, acquiring the position information perceived by the positioning module at intervals of a first preset time, and generating a position information array by acquiring the perceived position information and acquiring the acquisition time of the position information; the number of data items in the position information array is increased along with time, and each data item consists of a position information conversion code and an acquisition time conversion code. When the displacement monitoring of the life-saving equipment is carried out, firstly, the data items are ordered according to the acquisition time in time sequence, then, the position information of each two adjacent data items is acquired to generate a real-time position change vector (namely, the longitude and latitude vector is generated by the longitude and latitude of the latest position information) and finally, whether the displacement action of the current equipment is abnormal or not is judged by utilizing the real-time position change vector and the standard position change vector, so that the scheme which has low power consumption and high early warning accuracy and can carry out displacement monitoring on the life-saving equipment is provided to prevent malicious theft.
In a preferred embodiment, the step of obtaining vibration sensing information of the vibration sensor and determining whether the vibration sensing information meets a movement determination requirement specifically includes: acquiring a vibration signal of a vibration sensor, and extracting vibration perception information in the vibration signal; wherein the vibration sensing information includes a vibration frequency and a vibration displacement vector per unit time; and when the vibration frequency in the unit time is in a preset vibration frequency range, and the frequency of the vibration displacement vector exceeding the standard vibration displacement vector in the unit time exceeds the preset frequency, judging that the vibration sensing information meets the movement judgment requirement.
The method comprises the steps of obtaining vibration sensing information of the vibration sensor and judging whether the vibration sensing information reaches a movement judgment requirement or not, and further comprises the following steps: acquiring a use area range of the displacement monitoring equipment; the use area range is a device use position provided by a target purchasing user extracted from a purchasing order of the shift monitoring device; determining a wind power influence factor and a people flow influence factor based on the use area range; and determining a preset vibration frequency range according to the wind power influence factor and the people flow influence factor, and writing the preset vibration frequency range into a displacement monitoring device sold to a target purchasing user.
The step of determining the wind power influence factor and the people flow influence factor based on the use area range specifically comprises the following steps: according to the equipment use position of the use area range, inquiring a comparison table of wind power grade and occurrence frequency corresponding to the position information in the latest time period in a historical wind power grade database; matching the sum of occurrence times of the wind power level exceeding the preset level in a mapping relation table of the occurrence time range and the wind power influence factors by utilizing the comparison table to obtain the wind power influence factors corresponding to the use positions of the equipment; inquiring the people flow in the relevant area range corresponding to the position information in the latest time period in a historical people flow database according to the position information of the use area range; and matching the people flow in a mapping relation table of the people flow range and the wind power influence factors to obtain the people flow influence factors corresponding to the using positions of the equipment.
Therefore, in the embodiment, the use area range of the shift monitoring equipment is obtained from the order in advance, and the influence factors possibly influencing the error wake-up of the positioning module of the shift monitoring equipment are determined through the wind power grade information and the people flow information corresponding to the use area range, so that the wake-up scheme of the positioning module suitable for different user demands and different environments can be obtained, and the cruising ability of the equipment is further improved.
In a preferred embodiment, the step of time-ordering the position information codes according to the timestamp codes in the position information codes and generating the real-time position change vector by using the ordered adjacent position information codes specifically includes: extracting data items consisting of position information codes in a position information array, and performing time sequencing on unknown information codes by using timestamp codes in the data items to obtain a plurality of position information codes sequenced in time sequence; after each new position information code is obtained, the position information code vector calculation is carried out by subtracting one position code obtained recently by using the new position code, and a real-time position change vector is obtained.
Based on the real-time position change vector and the standard position change vector, judging whether the displacement action of the current life-saving equipment is abnormal or not, specifically comprising the following steps: performing vector point multiplication operation on the obtained real-time position change vector and a standard position change vector stored by the displacement monitoring equipment to obtain a vector point multiplication operation result; and judging whether the times smaller than a preset value in the continuous preset number of dot product operation results exceeds a time threshold, if so, judging that the displacement action of the current life-saving equipment is abnormal.
Wherein, based on the real-time position change vector and the standard position change vector, before the step of judging whether the displacement action of the current life saving equipment is abnormal, the method further comprises: sending a second wake-up instruction to the positioning module at intervals of a second preset time, and acquiring the perceived standard position information of the positioning module after the positioning module is awakened based on the second wake-up instruction; the standard position information is a first position coordinate with the largest occurrence number of the same position coordinate in the perceived standard position information after being awakened based on the second awakening instruction in a preset time range in the past; acquiring perceived standard mobile position information after being awakened based on a first awakening instruction; the standard mobile position information is a second position coordinate with the largest occurrence number of position coordinate codes in the position information array; and generating a standard position change vector of the standard position pointing to the standard movement position by taking the standard position coordinates as the standard position of the life-saving equipment and taking the standard movement position information as the standard movement position of the life-saving equipment.
Therefore, the embodiment generates a real-time position change vector by acquiring position information (such as longitude and latitude) acquired by the positioning module at two consecutive sensing time points, the vector is used for representing the direction in which the life-saving equipment points when being moved, and when the number of times smaller than a preset value in the continuous preset number of point multiplication operation results exceeds a time threshold value, a majority of the direction paths of the life-saving equipment when being moved are considered to be in a non-standard direction, and the life-saving equipment is considered to be in a movement abnormal state (the embodiment measures the direction consistency of the two movement directions through point multiplication calculation and judgment of the movement direction vector) possibly to be stolen maliciously, and an early warning signal should be sent at the moment and positioning information is sent to the cloud. In addition, since the life-saving equipment and the displacement monitoring equipment provided in the life-saving equipment are normally placed in the life-saving equipment storage box except for the exercise, the life-saving equipment is usually used at intervals by the responsibility units in the areas such as the river, the sea or the surrounding area of the reservoir. On the basis, according to the embodiment, for the determination of the standard position change direction, the moving direction of the life-saving equipment during exercise is collected as the standard position change direction, that is, the consistency of the moving direction of the life-saving equipment during exercise (the moving direction is usually from the life-saving equipment storage box to the water area) is monitored, so that whether the moving of the life-saving equipment is used for the rescue of a drowning accident or not is judged, and the false alarm rate can be remarkably reduced through the consistency comparison of the moving directions.
In this embodiment, a method for monitoring displacement of a life-saving device is provided, which wakes up a positioning module when vibration sensing information reaches a requirement, and generates a real-time position change vector according to position information acquired every first preset time, so as to determine whether the displacement of the life-saving device is abnormal or not through the real-time position change vector and a standard position change vector, thereby providing a scheme capable of monitoring displacement of the life-saving device, low in power consumption and high in early warning accuracy, so as to prevent malicious theft.
Referring to fig. 3, fig. 3 is a block diagram illustrating an embodiment of a displacement monitoring device for a life saving apparatus according to the present application.
As shown in fig. 3, the displacement monitoring device for a life saving device according to an embodiment of the present application includes:
the acquisition module 10 is used for acquiring vibration sensing information of the vibration sensor and judging whether the vibration sensing information meets a movement judgment requirement or not; if yes, generating a first wake-up instruction of the positioning module so that the positioning module perceives the position information of the life-saving equipment;
the generating module 20 is configured to acquire the location information perceived by the positioning module at intervals of a first preset time, and generate a location information array with continuously increased data items; the data items in the position information array are position information codes formed by position coordinate codes perceived by the positioning module and timestamp codes;
the sorting module 30 is configured to time sort the position information codes according to the timestamp codes in the position information codes, and generate a real-time position change vector by using the adjacent position information codes after sorting;
the judging module 40 is configured to judge whether a displacement action of the current life saving device is abnormal based on the real-time position change vector and the standard position change vector, and if so, generate a displacement alarm signal and send the displacement alarm signal to the monitoring cloud through the communication module.
Other embodiments or specific implementation manners of the displacement monitoring device for a life saving apparatus according to the present application may refer to the above method embodiments, and will not be described herein.
In addition, the application also provides a life-saving equipment displacement monitoring device, which comprises: the system comprises a memory, a processor and a life saving equipment displacement monitoring program stored on the memory and capable of running on the processor, wherein the life saving equipment displacement monitoring program is executed by the processor to realize the steps of the life saving equipment displacement monitoring method.
The specific implementation of the displacement monitoring device for the life saving device is basically the same as the above embodiments of the displacement monitoring method for the life saving device, and will not be described herein.
Furthermore, the application also proposes a readable storage medium comprising a computer readable storage medium having stored thereon a life saving device displacement monitoring program. The readable storage medium may be a Memory 1005 in the terminal of fig. 1, or may be at least one of a ROM (Read-Only Memory)/RAM (Random Access Memory ), a magnetic disk, and an optical disk, and the readable storage medium includes a plurality of instructions for causing a life saving device displacement monitoring device having a processor to perform the life saving device displacement monitoring method according to the embodiments of the present application.
The specific implementation manner of the readable storage medium of the present application is basically the same as the above embodiments of the method for monitoring displacement of a life saving device, and will not be described herein.
It is appreciated that in the description herein, reference to the terms "one embodiment," "another embodiment," "other embodiments," or "first through nth embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
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 system 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 system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The foregoing embodiment numbers of the present application are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) as described above, comprising instructions for causing a terminal device (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present application.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the application, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (10)
1. A method for monitoring displacement of a rescue apparatus, comprising a controller provided to the rescue apparatus, and a vibration sensor, a positioning module and a communication module connected to the controller, the method comprising the steps of:
obtaining vibration sensing information of the vibration sensor, and judging whether the vibration sensing information meets a movement judgment requirement or not; if yes, generating a first wake-up instruction of the positioning module so that the positioning module perceives the position information of the life-saving equipment;
acquiring the position information perceived by the positioning module at intervals of a first preset time, and generating a position information array with data items increasing continuously; the data items in the position information array are position information codes formed by position coordinate codes perceived by the positioning module and timestamp codes;
time ordering the position information codes according to the timestamp codes in the position information codes, and generating a real-time position change vector by using the ordered adjacent position information codes;
based on the real-time position change vector and the standard position change vector, judging whether the displacement action of the current life-saving equipment is abnormal, if so, generating a displacement alarm signal and sending the displacement alarm signal to a monitoring cloud through a communication module.
2. The displacement monitoring method of a life saving apparatus according to claim 1, wherein the step of acquiring vibration sensing information of the vibration sensor, and judging whether the vibration sensing information meets a movement judgment requirement, comprises:
acquiring a vibration signal of a vibration sensor, and extracting vibration perception information in the vibration signal; wherein the vibration sensing information includes a vibration frequency and a vibration displacement vector per unit time;
and when the vibration frequency in the unit time is in a preset vibration frequency range, and the frequency of the vibration displacement vector exceeding the standard vibration displacement vector in the unit time exceeds the preset frequency, judging that the vibration sensing information meets the movement judgment requirement.
3. The life saving equipment displacement monitoring method according to claim 2, wherein the vibration sensing information of the vibration sensor is acquired, and before the step of judging whether the vibration sensing information meets the movement judgment requirement, the method further comprises:
acquiring a use area range of the displacement monitoring equipment; the use area range is a device use position provided by a target purchasing user extracted from a purchasing order of the shift monitoring device;
determining a wind power influence factor and a people flow influence factor based on the use area range;
and determining a preset vibration frequency range according to the wind power influence factor and the people flow influence factor, and writing the preset vibration frequency range into a displacement monitoring device sold to a target purchasing user.
4. A method of monitoring displacement of a rescue apparatus as defined in claim 3, wherein the step of determining a wind impact factor and a traffic impact factor based on the area of use comprises:
according to the equipment use position of the use area range, inquiring a comparison table of wind power grade and occurrence frequency corresponding to the position information in the latest time period in a historical wind power grade database;
matching the sum of occurrence times of the wind power level exceeding the preset level in a mapping relation table of the occurrence time range and the wind power influence factors by utilizing the comparison table to obtain the wind power influence factors corresponding to the use positions of the equipment;
inquiring the people flow in the relevant area range corresponding to the position information in the latest time period in a historical people flow database according to the position information of the use area range;
and matching the people flow in a mapping relation table of the people flow range and the wind power influence factors to obtain the people flow influence factors corresponding to the using positions of the equipment.
5. The method of monitoring displacement of a rescue apparatus according to claim 1, wherein the step of time-ordering the position information codes according to the time stamp codes in the position information codes and generating a real-time position change vector using the ordered adjacent position information codes, comprises:
extracting data items consisting of position information codes in a position information array, and performing time sequencing on unknown information codes by using timestamp codes in the data items to obtain a plurality of position information codes sequenced in time sequence;
after each new position information code is obtained, the position information code vector calculation is carried out by subtracting one position code obtained recently by using the new position code, and a real-time position change vector is obtained.
6. The method for monitoring displacement of a rescue apparatus according to claim 5, wherein the step of judging whether the displacement action of the current rescue apparatus is abnormal based on the real-time position change vector and the standard position change vector comprises:
performing vector point multiplication operation on the obtained real-time position change vector and a standard position change vector stored by the displacement monitoring equipment to obtain a vector point multiplication operation result;
and judging whether the times smaller than a preset value in the continuous preset number of dot product operation results exceeds a time threshold, if so, judging that the displacement action of the current life-saving equipment is abnormal.
7. The method of claim 6, wherein prior to the step of determining whether the displacement action of the current rescue apparatus is abnormal based on the real-time position change vector and the standard position change vector, the method further comprises:
sending a second wake-up instruction to the positioning module at intervals of a second preset time, and acquiring the perceived standard position information of the positioning module after the positioning module is awakened based on the second wake-up instruction; the standard position information is a first position coordinate with the largest occurrence number of the same position coordinate in the perceived standard position information after being awakened based on the second awakening instruction in a preset time range in the past;
acquiring perceived standard mobile position information after being awakened based on a first awakening instruction; the standard mobile position information is a second position coordinate with the largest occurrence number of position coordinate codes in the position information array;
and generating a standard position change vector of the standard position pointing to the standard movement position by taking the standard position coordinates as the standard position of the life-saving equipment and taking the standard movement position information as the standard movement position of the life-saving equipment.
8. A life saving equipment displacement monitoring device, the device comprising:
the acquisition module is used for acquiring vibration sensing information of the vibration sensor and judging whether the vibration sensing information meets the movement judgment requirement or not; if yes, generating a first wake-up instruction of a positioning module so that the positioning module perceives the position information of the life-saving equipment;
the generating module is used for acquiring the position information perceived by the positioning module at intervals of a first preset time and generating a position information array with data items increasing continuously; the data items in the position information array are position information codes formed by position coordinate codes perceived by the positioning module and timestamp codes;
the ordering module is used for time ordering the position information codes according to the timestamp codes in the position information codes and generating a real-time position change vector by using the ordered adjacent position information codes;
the judging module is used for judging whether the displacement action of the current life-saving equipment is abnormal or not based on the real-time position change vector and the standard position change vector, if so, generating a displacement alarm signal and sending the displacement alarm signal to the monitoring cloud through the communication module.
9. A life saving equipment displacement monitoring device, characterized in that the life saving equipment displacement monitoring device comprises: a memory, a processor and a life saving device displacement monitoring program stored on the memory and executable on the processor, which when executed by the processor implements the steps of the life saving device displacement monitoring method of any one of claims 1 to 7.
10. A storage medium having stored thereon a life saving device displacement monitoring program which when executed by a processor implements the steps of the life saving device displacement monitoring method of any one of claims 1 to 7.
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