CN109739137B - Intelligent terminal system for water conservancy Internet of things sensing and controlling platform - Google Patents
Intelligent terminal system for water conservancy Internet of things sensing and controlling platform Download PDFInfo
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Abstract
The invention provides an intelligent terminal system for a water conservancy Internet of things sensing and controlling platform, which comprises a monitoring terminal and a background server, wherein the monitoring terminal comprises: the monitoring terminal includes: the monitoring module acquires environmental data; the first acquisition module acquires video data; the storage module is used for storing the environment data and the labeling time corresponding to each environment data; the background server stores the environmental data, the labeling time and the video data to the central database, judges whether the environmental data are in a corresponding preset data range in the preset database, extracts the data beyond the preset data range from the central database if the environmental data are not in the corresponding preset data range in the preset database, judges whether the data beyond the preset data range are consistent with the corresponding data in the storage module, sends first warning information to a warning module on the monitoring terminal if the data beyond the preset data range are not consistent with the corresponding data in the storage module, searches the labeling time corresponding to the inconsistent data in the central database, obtains the video corresponding to the time of the video data stored in the central database, and ensures the correctness of the obtained environmental data.
Description
Technical Field
The invention relates to the technical field of water conservancy terminal systems, in particular to an intelligent terminal system for a water conservancy Internet of things sensing and controlling platform.
Background
The internet of things technology is generally introduced in the field of modern water conservancy informatization productive service industry, relevant parameters of the current ambient environment of an intelligent terminal are sensed and acquired through a sensor, however, in the process of data transmission through the internet of things, data sensed by the intelligent terminal are generally directly stored and analyzed, particularly, part of data which exceeds a reasonable range is possibly transmitted to a background server by the intelligent terminal, so that the background server cannot know the received error data to a certain extent, and certain loss is caused to economy.
Disclosure of Invention
The invention provides an intelligent terminal system for a water conservancy Internet of things sensing and controlling platform, which can ensure the correctness of acquired data by carrying out secondary judgment on the acquired environmental data.
The embodiment of the invention provides an intelligent terminal system for a water conservancy Internet of things sensing and controlling platform, which comprises a monitoring terminal and a background server, wherein the monitoring terminal comprises a monitoring terminal body and a background server, and the monitoring terminal body comprises:
the monitoring terminal includes:
the monitoring module is used for acquiring environmental data of the current environment of the monitoring terminal;
the first acquisition module is used for acquiring video data of the current environment of the monitoring terminal;
the storage module is used for storing the environment data and the marked time corresponding to each environment data;
the background server is used for storing the environmental data acquired by the monitoring module and the labeling time corresponding to each environmental data and the video data acquired by the first acquisition module into a central database, judging whether the stored environmental data are in a corresponding preset data range in the preset database, if not, extracting data beyond the preset data range from the central database, comparing the data beyond the preset data range with the corresponding data stored by the storage module, judging whether the data beyond the preset data range are consistent with the corresponding data stored by the storage module, if not, sending first warning information to a warning module on the monitoring terminal, searching the labeling time corresponding to the inconsistent data in the central database, and acquiring the time corresponding to the time from the video data stored in the central database according to the labeling time If the videos are consistent, second warning information is sent to a warning module on the monitoring terminal;
and the warning module is used for executing warning operation according to the received first warning information or the second warning information.
In a possible implementation manner, if the environmental data and the video data acquired in the central database are both matched with corresponding preset data in the preset database, third warning information is sent to a warning module on the monitoring terminal, and the warning module executes warning operation according to the third warning information;
the background server is further used for comprehensively evaluating the environment data and the video data after matching processing, sending the evaluation result to the warning module, and executing warning operation by the warning module according to the evaluation result.
In a possible implementation manner, the background server comprehensively evaluates the environment data and the video data after the matching process, including:
when the environment data acquired from the central database is matched with preset environment data in the preset database and the video data acquired from the central database is matched with preset video data in the preset database, judging that the environment where the monitoring terminal is located is in a normal range;
when the environmental data acquired from the central database is not matched with the preset environmental data in the preset database and/or the video data acquired from the central database is not matched with the preset video data in the preset database, comparing the unmatched data with corresponding data stored in a storage module, and if the unmatched data is not consistent with the corresponding data in the storage module, judging that the monitoring terminal has a fault;
and if the unmatched data are consistent with the corresponding parameters in the storage module, judging that the parameters of the environment where the monitoring terminal is located are in an abnormal range.
In one possible implementation manner, the first obtaining module includes:
the measuring instrument is used for measuring the three-dimensional projection coordinate of the monitoring terminal in the current environment;
the multiple cameras are used for carrying out three-dimensional reconstruction on the current environment of the monitoring terminal;
the acquisition unit is used for acquiring video information of the current environment of the monitoring terminal;
the processing unit is used for carrying out contrast enhancement and high-pass filtering on the video information, carrying out cross correlation on images between two adjacent frames, calculating relative particle displacement by matching similar particles between the two frames of images, and dividing the relative particle displacement by the time passing between the two frames of images to obtain the relative particle movement speed;
the coordinate unit is used for obtaining real coordinate point calibration of a corresponding pixel point in the video information according to a preset mark point and solving the real coordinates of other pixels by utilizing a photogrammetry collinearity equation and a binocular distance measurement principle;
the calculation unit is used for acquiring the terrain of the environment where the monitoring terminal is located according to the three-dimensional reconstruction obtained by the multiple cameras and the three-dimensional projection coordinates obtained by the measuring instrument, calculating the numerical solution of the corresponding flow velocity below the surface of the environment where the monitoring terminal is located according to the Saint-Venn equation set, obtaining the corresponding flow velocity and flow and obtaining the corresponding video data;
and the control unit is used for transmitting the video data to a background server through the first acquisition module for data matching processing and controlling the storage module to store the video data.
In a possible implementation manner, the monitoring terminal further includes:
the displacement module is used for judging whether the monitoring terminal moves in a pre-monitoring environment or not and acquiring the moving distance of the monitoring terminal in the pre-monitoring environment;
the control module is further used for judging whether the monitoring terminal moves in a pre-monitoring environment according to the movement information acquired by the displacement module, and if so, starting the anti-collision module to work;
the anti-collision module is used for sensing obstacles existing in a preset distance and a preset angle range of the current position of the monitoring terminal and preventing the monitoring terminal from colliding with the obstacles in the moving process;
the control module is used for judging whether an obstacle exists in a preset angle range and a preset distance of the position of the monitoring terminal according to the sensing result of the anti-collision module; and if the alarm indication exists, controlling the alarm module to generate alarm indication.
In a possible implementation manner, the monitoring terminal further includes:
the communication module is used for transmitting the environmental data acquired by the monitoring module and the video data acquired by the first acquisition module to a background server through the Internet of things;
the bandwidth control module is used for controlling the stability of the bandwidth input of the Internet of things according to a control operation principle, and the control operation principle is as follows:
calculating a deviation value E (t) between the preset output value I (t) and the actual output value O (t), wherein the formula is as follows:
E(t)＝I(t)-O(t)
and linearly combining the proportion (X), the integral (Y) and the differential (Z) of the deviation value E (t) to form a control quantity, and controlling the bandwidth of the Internet of things, wherein the control rule is as follows:
kx is a proportionality coefficient, Ky is an integral time constant, Kz is a differential time constant, the three parameters are positive numbers, and the sum is 1.
In a possible implementation manner, the monitoring terminal further includes:
the application end is installed through a system module on the monitoring terminal, and when a user uses the monitoring terminal, the user inputs a control instruction to the monitoring terminal to control an operating system of the monitoring terminal to be started and complete system self-check;
the driving module is used for loading a driving program, completing the starting of the operating system and driving the communication module to access the Internet of things by starting a communication driving program and a display driving program;
the registration module is used for registering the identity information of a user, providing the user with the use authority of the monitoring terminal, pushing the registration information to the background server and storing the registration information;
the control module is further configured to perform, according to the complexity of shared data that can be monitored and acquired by the monitoring terminal and selected by the user at the registration module, rank division corresponding to the complexity of shared data of the user when registering the monitoring terminal, and if the shared data of a first rank is selected by the user, control the registration module to perform default registration; if the user selects the shared data of the second level, controlling the registration module to scan and register the human body biological characteristics of the user, controlling the storage module to store the registration information, and uploading the registration information to a personnel data management library of the background server;
the scanning registration is to perform fingerprint recording or face recognition on the user by controlling the multiple groups of cameras on the monitoring terminal or the recognition module on the monitoring terminal.
In a possible implementation manner, the monitoring terminal further includes:
the payment module is used for enabling the user with the authority of using the monitoring terminal to pay the use fee of using the monitoring terminal;
the control module is further used for paying corresponding use fees through the payment module according to the duration of the user using the monitoring terminal and the complexity of shared data required to be acquired by the user, and deducting the use fees from a pre-stored deposit paid by the user and returning the rest deposit to the user if the user pays through the pre-stored deposit;
the storage module is further configured to store the remaining free use times or the remaining free use duration of the free use of the monitoring terminal corresponding to the user;
the control module is also used for controlling the storage module to reduce the number of the remaining free use times by one when the user uses the monitoring terminal once; or, when the user uses the monitoring terminal once, the remaining free use time length of the storage module is subtracted by the use time length; and when the remaining free use times or the remaining free use duration of the user is equal to zero, the control module sends a use prompt needing renting to the warning module.
In a possible implementation manner, the monitoring terminal further includes:
the construction module is used for constructing a direction hierarchical structure tree of the environmental data, the measurement parameters and the video data which are measured and obtained by the monitoring terminal, wherein the direction hierarchical structure tree comprises a session key pair corresponding to the monitoring terminal of the Internet of things, a public key and private key pair corresponding to the monitoring terminal of the Internet of things, and a signature of the public key and private key pair obtained by signing a public key of the public key and private key pair by using the session key pair;
the writing module is used for writing the direction hierarchical structure tree into a monitoring terminal of the Internet of things and a background server of the Internet of things;
the first generation module is used for generating password verification information of the monitoring terminal of the Internet of things according to the direction hierarchical structure tree and writing the password verification information into the monitoring terminal of the Internet of things and a background password verification system of the Internet of things;
generating password verification information of the monitoring terminal of the internet of things according to the direction hierarchical structure tree further comprises:
the second generation module is used for generating an internal identifier uniquely corresponding to the monitoring terminal of the Internet of things and generating an asymmetric key pair;
the second obtaining module is used for signing the public key of the asymmetric key pair according to the private key of the monitoring terminal signature key pair so as to obtain the signature of the monitoring terminal of the Internet of things;
the password verification information of the monitoring terminal of the Internet of things comprises a monitoring terminal signature of the Internet of things, a public key of an asymmetric key pair and an internal identifier;
and each type of monitoring terminal of the Internet of things corresponds to one session key pair.
In a possible implementation manner, the monitoring terminal further includes:
the sending module is used for obtaining the video data of the first obtaining module on the monitoring terminal, generating a corresponding output instruction and sending the output instruction to the receiving module;
the receiving module is configured to receive the output instruction, where the output instruction is obtained by sending at least one output packet of the video data to the receiving module through the sending module;
each output packet is internally provided with a field of the self-defined type of the monitoring terminal, a serial number and a confirmation number of a transmission packet;
the field is used for confirming whether the output packet is a streaming media output packet of video data;
the confirmation number is used for confirming the number of output packets to be received by the receiving module;
the sequence number is used for confirming that the receiving module does not correctly receive the number of the output packets;
the judging module is used for determining whether the sending module needs to resend the output packet to the receiving module by judging whether the serial number is provided with the identification code or not when the receiving module does not correctly receive the output packet;
if the serial number is internally provided with the identification code, the sending module does not need to resend the output packet to the receiving module; otherwise, the sending module needs to resend the output packet to the receiving module.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of an intelligent terminal system for a water conservancy internet of things sensing and control platform in the embodiment of the invention;
fig. 2 is a schematic structural diagram of a first obtaining module in the embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides an intelligent terminal system for a water conservancy internet of things sensing and controlling platform, which comprises a monitoring terminal 1 and a background server 2, as shown in fig. 1, wherein:
the monitoring terminal 1 includes:
the monitoring module 11 is configured to obtain environmental data of an environment where the monitoring terminal 1 is currently located;
a first obtaining module 12, configured to obtain video data of an environment where the monitoring terminal 1 is currently located;
the storage module 13 is used for storing the environment data and the labeling time corresponding to each environment data;
a background server 2, configured to store the environmental data acquired by the monitoring module 11 into a central database, and store the environmental data acquired by the monitoring module 11 and the annotation time corresponding to each environmental data, and the video data acquired by the first acquisition module 12 into the central database, and determine whether the stored environmental data is within a corresponding preset data range in the preset database, if not, extract data beyond the preset data range from the central database, compare the data beyond the preset data range with the corresponding data stored in the storage module, determine whether the data beyond the preset data range is consistent with the corresponding data stored in the storage module 13, if not, send first alert information to an alert module 14 on the monitoring terminal, and simultaneously search the annotation time corresponding to the inconsistent data in the central database, and acquire a video corresponding to the time from the video data stored in the central database according to the annotation time, if the first warning information is consistent with the second warning information, sending the second warning information to a warning module 14 on the monitoring terminal 1;
and the warning module 14 is configured to perform a warning operation according to the received first warning information or the second warning information.
In this embodiment, before the monitoring terminal transmits the environmental data acquired by the monitoring module and the video data acquired by the first acquisition module to the background server, the monitoring terminal is further configured to encrypt the acquired environmental data and the acquired video data according to the following encryption method, where the environment data and the video data that are not encrypted are referred to as unencrypted data s, and the encryption method is as follows:
setting the length of data s which is not encrypted to be at least 1 byte, setting the length of a key k, k to be 16 bytes, wherein the key k is preset by a system administrator, and the encryption algorithm comprises the following steps:
(1) given data s that is not encrypted, a key k, and an initialization variable t is 0;
(2) setting the data s which is not encrypted as n bytes long, dividing the data s into data blocks by taking 8 bytes as a unit, and if n is not an integral multiple of s, adding a number 0 after s until the length of the data after 0 is added is an integral multiple of 8; s is eventually divided into a plurality of data blocks, here assumed to be m data blocks;
(3) the following operations are performed for each data block:
(a) dividing 8-byte data block into front and back parts, each part has 4 bytes, and b is used respectively1And b2Meaning that they are all 4 bytes in length;
(b) initializing the secret constant delta to 0x89ADB7B 9;
(c) respectively obtaining 4 data of a key k, wherein the length of each data is 4 bytes, and k is0＝k[0]，k1＝k[1]，k2＝k[2]，k3＝k[3](ii) a Then, the operation is circulated for 32 times respectively as follows:
(i)t＝t+delta
(ii)b1＝b1+((b2＜＜2)+k2)^(b2+t)^((b2＞＞7)+k3)
(iii)b2＝b2+((b1＜＜2)+k0)^(b1+t)^((b1＞＞7)+k1)
after 32 times of three-step operations (i), (ii) and (iii), an encrypted 8-byte data block, i.e. the final b1b2(ii) a Wherein "<<"represents a left shift operation of the operation table data followed by the number of bits to shift left; ">>"represents a shift right operation of the operation table data followed by a number of bits to shift right; the symbol "^" represents a power operation;
(4) all the encrypted data blocks are combined together to finally obtain the encrypted data s' of the data s.
The background server decrypts the received encrypted data s' according to the following decryption method, the key used in decryption is still the key k, and the decryption method is as follows:
(1) given the encrypted data s', key k, and initialize the variable t ═ 0xA6BF3D 30;
(2) assuming that the encrypted data s 'has a length of p bytes, dividing the encrypted data s' into encrypted blocks in units of 8 bytes;
(3) the following decryption process is performed for each encrypted block:
(a) dividing 8-byte encryption block into front and back parts, each part has 4 bytes, and using b respectively3And b4Represents;
(b) initializing secret machine constant delta 0x89ADB7B 9;
(c) respectively obtaining 4 data of the key k, wherein each data lengthIs 4 bytes, k0＝k[0]，k1＝k[1]，k2＝k[2]，k3＝k[3](ii) a Then, the following operations are respectively performed in a loop of 32 times, and the operation is just opposite to the corresponding encryption step:
(i)b4＝b4-((b3＜＜2)+k0)^(b3+t)^((b3＞＞7)+k1)
(ii)b3＝b3-((b4＜＜2)+k2)^(b4+t)^((b4＞＞7)+k3)
(ii)t＝t-delta
after 32 times of (i), (ii) and (iii) three-step operations, a decrypted 8-byte data block is finally obtained, namely the final b3b4；
(4) All the decrypted data blocks are merged together to finally obtain the decrypted data s of the encrypted data s'.
The advantage is that the security of data transmission is improved.
The above monitoring module, including the sensor, the sensor includes: any one or more of a rainfall sensor, a water level sensor, a temperature sensor, a flow sensor, a soil moisture sensor, a pressure sensor and a water quality sensor; a meter may also be included, the meter including: any one or more of rainfall measuring instrument, pressure type water level measuring instrument, radar wave current meter, Doppler acoustic flow measuring instrument, ultrasonic flow measuring instrument, electromagnetic flow measuring instrument, ultrasonic liquid level measuring instrument, floater water level measuring instrument and multi-parameter water quality comprehensive measuring instrument, and the advantages are as follows: various environmental data can be acquired, and the types of parameters for which the environmental data can be acquired are increased.
In this embodiment, it should be noted that the time when the inconsistent data acquired by the monitoring module occurs is searched for, because the monitoring terminal performs corresponding time labeling and storage on the acquired environmental data or video data during the monitoring process, so as to acquire corresponding labeling time through the inconsistent data.
It should be noted that: the environment data and the labeling time of each environment data are stored in a storage module and a central database, and the video data are stored in the central database.
And acquiring a video corresponding to the time from the video data stored in the central database according to the time when the inconsistent data appears, and further obtaining that an error occurs in the transmission process of the monitoring terminal and the background server if the inconsistent data is judged to be caused by artificial damage to the monitoring terminal.
The data beyond the preset data range is obtained by the central database through the environmental data obtained by the monitoring module, and then is analyzed and judged with the corresponding preset environmental data range pre-stored in the preset database, and when the environmental data obtained by the central database exceeds the corresponding preset environmental data range, the data beyond the preset data range is obtained.
The above-mentioned warning module includes but is not limited to: any one or combination of a plurality of indicator lights, a display screen and voice ring;
for example, when the first warning information is, for example: when the monitoring terminal breaks down, the display screen displays the information, and the indicator light flickers;
when the second warning information is, for example: monitoring terminal's monitoring parameter is unusual, and the display screen shows unusual data this moment, and the pronunciation ring tone carries out voice broadcast.
The technical scheme has the beneficial effects that: through twice judgment and analysis of the acquired environmental data, environmental data errors caused by errors in the transmission process of the monitoring terminal and the background server can be avoided, and therefore the accuracy of the acquired environmental data is guaranteed.
The embodiment of the invention provides an intelligent terminal system for a water conservancy Internet of things sensing and controlling platform, and if environmental data and video data acquired from a central database are matched with corresponding preset data in a preset database, third warning information is sent to a warning module on a monitoring terminal, and warning operation is executed by the warning module according to the third warning information;
and the background server is also used for comprehensively evaluating the environment data and the video data after the matching processing, sending the evaluation result to the warning module, and executing warning operation by the warning module according to the evaluation result.
The third warning information may be, for example: the monitoring parameters of the monitoring terminal are normal, and at the moment, the display data of the display screen are normal.
The technical scheme has the beneficial effects that: by comprehensively evaluating the data, the analysis time can be saved, and managers can conveniently and visually know evaluation results.
The embodiment of the invention provides an intelligent terminal system for a water conservancy Internet of things sensing and controlling platform, wherein a background server carries out comprehensive evaluation on environment data and video data after matching processing, and the intelligent terminal system comprises:
when the environment data acquired from the central database is matched with the preset environment data in the preset database and the video data acquired from the central database is matched with the preset video data in the preset database, judging that the environment where the monitoring terminal is located is in a normal range;
when the environmental data acquired from the central database is not matched with the preset environmental data in the preset database and/or the video data acquired from the central database is not matched with the preset video data in the preset database, comparing the unmatched data with corresponding data stored in the storage module, and if the unmatched data is not consistent with the corresponding data in the storage module, judging that the monitoring terminal fails;
and if the unmatched data are consistent with the corresponding parameters in the storage module, judging that the parameters of the environment where the monitoring terminal is located are in an abnormal range.
The above-mentioned failure of the monitoring terminal is determined because the central database may have the following two situations when acquiring the environmental data and the video data: the monitoring terminal may have errors in the process of updating the database to store the data thereof, and may have errors in the process of transmitting the data to the background server by the control module, because the monitoring terminal may have these two errors, the monitoring terminal may be referred to as a monitoring terminal failure herein.
The technical scheme has the beneficial effects that: by determining the evaluation rule of the comprehensive evaluation, the operation stability and the operation efficiency of the monitoring terminal can be ensured when the comprehensive evaluation is carried out.
The embodiment of the invention provides an intelligent terminal system for a water conservancy internet of things sensing and controlling platform, and as shown in fig. 2, a first obtaining module 12 comprises:
the measuring instrument 21 is used for measuring the three-dimensional projection coordinate of the monitoring terminal 1 in the current environment;
the multiple cameras 22 are used for performing three-dimensional reconstruction on the current environment of the monitoring terminal 1;
the acquisition unit 23 is used for acquiring video information of the current environment of the monitoring terminal 1;
the processing unit 24 is configured to perform contrast enhancement and high-pass filtering on the video information, perform cross-correlation on the images between two adjacent frames, calculate relative particle displacement by matching similar particles between the two frames of images, and divide the time elapsed between the two frames of images to obtain a relative particle movement speed;
the coordinate unit 25 is used for obtaining real coordinate point calibration of a corresponding pixel point in the video information according to the preset mark point and solving the real coordinates of other pixels by utilizing a photogrammetry collinearity equation and a binocular distance measurement principle;
the calculating unit 26 is configured to obtain a terrain of an environment where the monitoring terminal 1 is located according to the three-dimensional reconstruction obtained by the multiple cameras 22 and the three-dimensional projection coordinates obtained by the measuring instrument, calculate a numerical solution of a flow rate corresponding to a surface of the environment where the monitoring terminal is located according to the saint-wien equation set, obtain a corresponding flow rate and a flow rate, and obtain corresponding video data;
and the control unit 27 is configured to transmit the video data to the background server 2 through the first obtaining module 12 for data matching processing, and control the storage module 13 to store the video data.
The collected video information is obtained by, for example, erecting multiple cameras in parallel on a high tower or on the bank of a river, measuring the three-dimensional projection coordinates of the current environment by using a measuring instrument, and transmitting the collected video to a collecting unit through the multiple cameras.
Wherein, the multiple cameras may be, for example: the infrared camera is composed of a common camera I, an infrared camera and a common camera II which are combined.
The technical scheme has the beneficial effects that: through carrying out calculation processing to the video information who obtains, the effectual degree of accuracy that obtains video data that has improved uses a plurality of cameras to carry out video information's collection moreover, low in manufacturing cost.
The embodiment of the invention provides an intelligent terminal system for a water conservancy Internet of things sensing and controlling platform, and the monitoring terminal further comprises:
the displacement module is used for judging whether the monitoring terminal moves in the pre-monitoring environment or not and acquiring the moving distance of the monitoring terminal in the pre-monitoring environment;
the control module is also used for judging whether the monitoring terminal moves in the pre-monitoring environment or not according to the movement information acquired by the displacement module, and if so, starting the anti-collision module to work;
the anti-collision module is used for sensing obstacles existing in a preset distance and a preset angle range of the current position of the monitoring terminal and preventing the monitoring terminal from colliding with the obstacles in the moving process;
the control module is used for judging whether barriers exist in a preset angle range and a preset distance of the position of the monitoring terminal according to the sensing result of the anti-collision module; if the alarm indication exists, the alarm module is controlled to give an alarm indication.
The preset distance and the preset angle are divided by taking the positive center of the monitoring terminal as a coordinate origin;
range of the preset distance: 0.5m to 1 m; the range of the preset angle is as follows: 60-150 degrees;
the pre-monitoring environment is selected according to the environment data, the measurement parameters and the parameters required by the video information;
judging whether the monitoring terminal moves in the pre-monitoring environment or not is obtained by carrying out data analysis on movement information of the displacement module, wherein the data analysis is obtained by judging the relative speed of the monitoring terminal and a relatively large and static pre-reference object in the pre-monitoring environment at a certain moment;
and if the speed of the monitoring terminal relative to the pre-reference object is zero, judging that the monitoring terminal is in a static state.
The alarm indication may be, for example: the indicator light flashes or the voice bell sound broadcasts any one or a combination of a plurality of kinds of voice.
The technical scheme has the beneficial effects that: through setting up collision avoidance module, monitor terminal can effectually avoid taking place to damage because of colliding the barrier, improves monitor terminal's life.
The embodiment of the invention provides an intelligent terminal system for a water conservancy Internet of things sensing and controlling platform, and the monitoring terminal further comprises:
the communication module is used for transmitting the environmental data acquired by the monitoring module and the video data acquired by the first acquisition module to the background server through the Internet of things;
the bandwidth control module is used for controlling the stability of bandwidth input of the Internet of things according to a control operation principle, and the control operation principle is as follows:
calculating a deviation value E (t) between the preset output value I (t) and the actual output value O (t), wherein the formula is as follows:
E(t)＝I(t)-O(t)
and linearly combining the proportion (X), the integral (Y) and the differential (Z) of the deviation value E (t) to form a control quantity, and controlling the bandwidth of the Internet of things, wherein the control rule is as follows:
kx is a proportionality coefficient, Ky is an integral time constant, Kz is a differential time constant, the three parameters are positive numbers, and the sum is 1.
The stability of the bandwidth input is controlled because the bandwidth has the characteristics of nonlinearity, uncertainty of time change, strong interference and the like, the input cannot be kept stable, and an ideal control effect needs to be achieved through a broadband control module.
It should be noted that the determination of the three parameters Kx, Ky, and Kz is particularly critical for controlling the stability of the broadband, so that the index requirements of the dynamic and static bandwidths are considered, and the reasonable values Kx, Ky, and Kz are determined according to the index requirements.
The technical scheme has the beneficial effects that: the stability of bandwidth input is effectively guaranteed.
The embodiment of the invention provides an intelligent terminal system for a water conservancy Internet of things sensing and controlling platform, and the monitoring terminal further comprises:
the application end is installed through a system module on the monitoring terminal, and when the monitoring terminal is used by a user, the user inputs a control instruction to the monitoring terminal to control an operating system of the monitoring terminal to be started and complete system self-checking;
the driving module is used for loading a driving program, completing the starting of the operating system and driving the communication module to access the Internet of things by starting the communication driving program and the display driving program;
the registration module is used for registering the identity information of the user, providing the user with the use authority of the monitoring terminal, pushing the registration information to the background server and storing the registration information;
the control module is further used for carrying out grade division corresponding to the complexity of the shared data of the user when the user registers the monitoring terminal according to the complexity of the shared data which can be monitored and acquired by the monitoring terminal selected by the user in the registration module, and controlling the registration module to be registered in a default mode if the user selects the shared data of the first grade; if the user selects the shared data of the second level, controlling the registration module to scan and register the human body biological characteristics of the user, controlling the storage module to store the registration information, and uploading the registration information to a personnel data management base of the background server;
the scanning registration is to perform fingerprint recording or face recognition on a user by controlling a plurality of groups of cameras on the monitoring terminal or a recognition module on the monitoring terminal.
The establishment of the personnel data management base is mainly used for recording information of registered or registered users, and management is facilitated.
For example, the first level of shared data is only the environmental data acquired by the monitoring module, and the second level of shared data is the environmental data acquired by both the monitoring module and the first acquisition module.
The technical scheme has the beneficial effects that: through registration scanning and grading of data complexity, the user population can be limited, and the use safety of the monitoring terminal can be improved.
Further, the monitoring terminal further includes:
the payment module is used for enabling a user with the authority of using the monitoring terminal to pay the use fee of using the monitoring terminal;
the control module is also used for paying corresponding use fee through the payment module according to the duration of the user using the monitoring terminal and the complexity of the shared data required to be acquired by the user, and deducting the use fee from the pre-stored deposit paid by the user and returning the residual deposit to the user if the user pays through the pre-stored deposit;
the storage module is also used for storing the remaining free use times or the remaining free use duration of the free use monitoring terminal corresponding to the user;
the control module is also used for controlling the storage module to reduce the number of the remaining free use times by one when the user uses the monitoring terminal once; or, when the user uses the monitoring terminal once, the remaining free use time length of the storage module is subtracted by the use time length; and when the remaining free use times or the remaining free use duration of the user is equal to zero, the control module sends a lease-required use prompt to the warning module.
The user capable of using the monitoring terminal authority has the use authority after scanning and registering.
The technical scheme has the beneficial effects that: the use of a part of users to the monitoring terminal can be limited through a payment means, the condition that the monitoring terminal is abused is avoided as far as possible, the service life of the monitoring terminal is prolonged, and meanwhile, the monitoring terminal side can obtain part of profits.
The embodiment of the invention is used for providing an intelligent terminal system for a water conservancy Internet of things sensing and controlling platform,
the monitor terminal still includes:
the system comprises a construction module, a display module and a display module, wherein the construction module is used for constructing a direction hierarchical structure tree of environmental data, measurement parameters and video data which are measured and obtained by a monitoring terminal, and the direction hierarchical structure tree comprises a session key pair corresponding to the monitoring terminal of the Internet of things, a public key and private key pair corresponding to the monitoring terminal of the Internet of things, and a signature of the public key and private key pair obtained by signing a public key of the public key and private key pair by using the session key pair;
the writing module is used for writing the direction hierarchical structure tree into a monitoring terminal of the Internet of things and a background server of the Internet of things;
the first generation module is used for generating password verification information of the monitoring terminal of the Internet of things according to the direction hierarchical structure tree and writing the password verification information into the monitoring terminal of the Internet of things and a background password verification system of the Internet of things;
wherein, the password verification information of the monitoring terminal for generating the internet of things according to the direction hierarchical structure tree further comprises:
the second generation module is used for generating an internal identifier uniquely corresponding to the monitoring terminal of the Internet of things and generating an asymmetric key pair;
the second acquisition module is used for signing the public key of the asymmetric key pair according to the private key of the monitoring terminal signature key pair so as to obtain the signature of the monitoring terminal of the Internet of things;
the password verification information of the monitoring terminal of the Internet of things comprises a monitoring terminal signature of the Internet of things, a public key of an asymmetric key pair and an internal identifier;
and each type of monitoring terminal of the Internet of things corresponds to one session key pair.
When the monitoring terminal of the Internet of things communicates with the background server of the Internet of things, at least two-stage encryption is included, namely, when the monitoring terminal of the Internet of things initiates communication to the background server of the Internet of things, the background password verification system of the Internet of things verifies the identity information of the monitoring terminal of the Internet of things according to the monitoring terminal signature of the Internet of things provided by the monitoring terminal of the Internet of things, and the first-stage encryption is carried out; after the verification is passed, the public key and the private key pair can encrypt communication, so that communication information, namely environment data and video data, is prevented from being intercepted, and the second-level encryption is realized.
The technical scheme has the beneficial effects that: the reliability of the internet of things communication can be effectively guaranteed through the secondary encryption, and the safety of data transmission is improved.
The embodiment of the invention provides an intelligent terminal system for a water conservancy Internet of things sensing and controlling platform, and the monitoring terminal further comprises:
the transmitting module is used for acquiring the video data of the first acquisition module on the monitoring terminal, generating a corresponding output instruction and transmitting the output instruction to the receiving module;
the receiving module is used for receiving an output instruction, and the output instruction is obtained by sending at least one output packet of the video data to the receiving module by the sending module;
wherein, each output packet is internally provided with a field of a self-defined type of the monitoring terminal, a serial number and a confirmation number of the transmission packet;
a field for confirming whether the output packet is a streaming media output packet of the video data;
the confirmation number is used for confirming the number of output packets to be received by the receiving module;
a sequence number for confirming the number of output packets that were not correctly received by the receiving module;
the judging module is used for determining whether the sending module needs to resend the output packet to the receiving module by judging whether the serial number is provided with the identification code or not when the receiving module does not correctly receive the output packet;
if the serial number is internally provided with the identification code, the sending module does not need to send the output packet to the receiving module again; otherwise, the sending module needs to resend the output packet to the receiving module.
When the sending module needs to send data to the receiving module, for the sending module, the sending module firstly obtains video data to be sent, encapsulates the video data to be sent, and secondly adds a serial number prefix and a cyclic redundancy check code suffix to the encapsulated video data. For the receiving module, the receiving module receives the output packet sent by the sending module from the channel, checks the received encapsulated video data, and if the encapsulated video data is correctly received, the sending module clears the encapsulated video data; and if the encapsulated video data is not correctly received, the sending module resends the encapsulated video data to the receiving module, and when the receiving module has errors, the data packet with the errors is retransmitted.
It should be noted that the serial number generally occupies 12 bits, and if the serial number is internally provided with an identification code, wherein the identification code is specifically arranged at the first bit of the serial number, the value of the identification code is 0, and since the serial number is internally provided with the identification code and the value of the identification code is 0, the output packet is a streaming media service data packet, i.e., a video data output packet, the streaming media service has a high requirement on the facticity of data transmission, and has a low requirement on the reliability of data transmission.
It should be noted that the value of the identification code may also be 1 or other values.
The technical scheme has the beneficial effects that: the transmission of the error data can ensure the accuracy of data transmission.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides an intelligent terminal system for accuse platform is felt to water conservancy thing networking which characterized in that, includes monitor terminal and backend server, wherein:
the monitoring terminal includes:
the monitoring module is used for acquiring environmental data of the current environment of the monitoring terminal;
the first acquisition module is used for acquiring video data of the current environment of the monitoring terminal;
the storage module is used for storing the environment data and the marked time corresponding to each environment data;
the background server is used for storing the environmental data acquired by the monitoring module, the labeling time corresponding to each environmental data and the video data acquired by the first acquisition module into a central database, judging whether the stored environmental data are in a corresponding preset data range in the preset database, if not, extracting data beyond the preset data range from the central database, comparing the data beyond the preset data range with the corresponding data stored by the storage module, judging whether the data beyond the preset data range are consistent with the corresponding data stored by the storage module, if not, sending first warning information to a warning module on the monitoring terminal, searching the labeling time corresponding to inconsistent data in the central database, and acquiring the view corresponding to the time from the video data stored in the central database according to the labeling time If the frequency is consistent, second warning information is sent to a warning module on the monitoring terminal;
and the warning module is used for executing warning operation according to the received first warning information or the second warning information.
2. The intelligent terminal system according to claim 1,
if the environmental data and the video data acquired from the central database are matched with the corresponding preset data in the preset database, sending third warning information to a warning module on the monitoring terminal, and executing warning operation by the warning module according to the third warning information;
the background server is further used for comprehensively evaluating the environment data and the video data after matching processing, sending evaluation results to the warning module, and executing warning operation by the warning module according to the evaluation results.
3. The intelligent terminal system according to claim 1,
the background server comprehensively evaluates the environment data and the video data after matching processing, and the comprehensive evaluation comprises the following steps:
when the environment data acquired from the central database is matched with preset environment data in the preset database and the video data acquired from the central database is matched with preset video data in the preset database, judging that the environment where the monitoring terminal is located is in a normal range;
when the environmental data acquired from the central database is not matched with the preset environmental data in the preset database and/or the video data acquired from the central database is not matched with the preset video data in the preset database, comparing the unmatched data with corresponding data stored in a storage module, and if the unmatched data is not consistent with the corresponding data in the storage module, judging that the monitoring terminal has a fault;
and if the unmatched data are consistent with the corresponding parameters in the storage module, judging that the parameters of the environment where the monitoring terminal is located are in an abnormal range.
4. The intelligent terminal system according to claim 1, wherein the first obtaining module includes:
the measuring instrument is used for measuring the three-dimensional projection coordinate of the monitoring terminal in the current environment;
the multiple cameras are used for carrying out three-dimensional reconstruction on the current environment of the monitoring terminal;
the acquisition unit is used for acquiring video information of the current environment of the monitoring terminal;
the processing unit is used for carrying out contrast enhancement and high-pass filtering on the video information, carrying out cross correlation on images between two adjacent frames, calculating relative particle displacement by matching similar particles between the two frames of images, and dividing the relative particle displacement by the time passing between the two frames of images to obtain the relative particle movement speed;
the coordinate unit is used for obtaining real coordinate point calibration of a corresponding pixel point in the video information according to a preset mark point and solving the real coordinates of other pixels by utilizing a photogrammetry collinearity equation and a binocular distance measurement principle;
the calculation unit is used for acquiring the terrain of the environment where the monitoring terminal is located according to the three-dimensional reconstruction obtained by the multiple cameras and the three-dimensional projection coordinates obtained by the measuring instrument, calculating the numerical solution of the corresponding flow velocity below the surface of the environment where the monitoring terminal is located according to the Saint-Venn equation set, obtaining the corresponding flow velocity and flow and obtaining the corresponding video data;
and the control unit is used for transmitting the video data to a background server through the first acquisition module for data matching processing and controlling the storage module to store the video data.
5. The intelligent terminal system according to claim 1, wherein the monitoring terminal further comprises:
the displacement module is used for judging whether the monitoring terminal moves in a pre-monitoring environment or not and acquiring the moving distance of the monitoring terminal in the pre-monitoring environment;
the control module is also used for judging whether the monitoring terminal moves in a pre-monitoring environment according to the movement information acquired by the displacement module, and if so, starting the anti-collision module to work;
the anti-collision module is used for sensing obstacles existing in a preset distance and a preset angle range of the current position of the monitoring terminal and preventing the monitoring terminal from colliding with the obstacles in the moving process;
the control module is used for judging whether an obstacle exists in a preset angle range and a preset distance of the position of the monitoring terminal according to the sensing result of the anti-collision module; and if the alarm indication exists, controlling the alarm module to generate alarm indication.
6. The intelligent terminal system according to claim 1, wherein the monitoring terminal further comprises:
the communication module is used for transmitting the environmental data acquired by the monitoring module and the video data acquired by the first acquisition module to a background server through the Internet of things;
the bandwidth control module is used for controlling the stability of the bandwidth input of the Internet of things according to a control operation principle, and the control operation principle is as follows:
calculating a deviation value E (t) between the preset output value I (t) and the actual output value O (t), wherein the formula is as follows:
E(t)＝I(t)-O(t)
and linearly combining the proportion (X), the integral (Y) and the differential (Z) of the deviation value E (t) to form a control quantity, and controlling the bandwidth of the Internet of things, wherein the control rule is as follows:
kx is a proportionality coefficient, Ky is an integral time constant, Kz is a differential time constant, the three parameters are positive numbers, and the sum is 1.
7. The intelligent terminal system according to claim 1, wherein the monitoring terminal further comprises:
the application end is installed through a system module on the monitoring terminal, and when a user uses the monitoring terminal, the user inputs a control instruction to the monitoring terminal to control an operating system of the monitoring terminal to be started and complete system self-check;
the driving module is used for loading a driving program, completing the starting of the operating system and driving the communication module to access the Internet of things by starting the communication driving program and the display driving program;
the registration module is used for registering the identity information of a user, providing the user with the use authority of the monitoring terminal, pushing the registration information to the background server and storing the registration information;
the control module is further configured to perform level division corresponding to the complexity of the shared data of the user when registering the monitoring terminal according to the complexity of the shared data that can be monitored and acquired by the monitoring terminal and selected by the user at the registration module, and if the shared data of the first level is selected by the user, the registration module is controlled to perform default registration; if the user selects the shared data of the second level, controlling the registration module to scan and register the human body biological characteristics of the user, controlling the storage module to store the registration information, and uploading the registration information to a personnel data management library of the background server;
and the scanning registration is to perform fingerprint recording or face recognition on the user by controlling a plurality of groups of cameras on the monitoring terminal or a recognition module on the monitoring terminal.
8. The intelligent terminal system according to claim 7, wherein the monitoring terminal further comprises:
the payment module is used for enabling the user with the authority of using the monitoring terminal to pay the use fee of using the monitoring terminal;
the control module is further used for paying corresponding use fees through the payment module according to the duration of the user using the monitoring terminal and the complexity of shared data required to be acquired by the user, and deducting the use fees from a pre-stored deposit paid by the user and returning the rest deposit to the user if the user pays through the pre-stored deposit;
the storage module is further configured to store the remaining free use times or the remaining free use duration of the free use of the monitoring terminal corresponding to the user;
the control module is also used for controlling the storage module to reduce the number of the remaining free use times by one when the user uses the monitoring terminal once; or, when the user uses the monitoring terminal once, the remaining free use time length of the storage module is subtracted by the use time length; and when the remaining free use times or the remaining free use duration of the user is equal to zero, the control module sends a use prompt needing renting to the warning module.
9. The intelligent terminal system according to claim 1, wherein the monitoring terminal further comprises:
the construction module is used for constructing a direction hierarchical structure tree of the environmental data, the measurement parameters and the video data which are measured and obtained by the monitoring terminal, wherein the direction hierarchical structure tree comprises a session key pair corresponding to the monitoring terminal of the Internet of things, a public key and private key pair corresponding to the monitoring terminal of the Internet of things, and a signature of the public key and private key pair obtained by signing a public key of the public key and private key pair by using the session key pair;
the writing module is used for writing the direction hierarchical structure tree into a monitoring terminal of the Internet of things and a background server of the Internet of things;
the first generation module is used for generating password verification information of the monitoring terminal of the Internet of things according to the direction hierarchical structure tree and writing the password verification information into the monitoring terminal of the Internet of things and a background password verification system of the Internet of things;
generating password verification information of the monitoring terminal of the internet of things according to the direction hierarchical structure tree further comprises:
the second generation module is used for generating an internal identifier uniquely corresponding to the monitoring terminal of the Internet of things and generating an asymmetric key pair;
the second obtaining module is used for signing the public key of the asymmetric key pair according to the private key of the monitoring terminal signature key pair so as to obtain the signature of the monitoring terminal of the Internet of things;
the password verification information of the monitoring terminal of the Internet of things comprises a monitoring terminal signature of the Internet of things, a public key of an asymmetric key pair and an internal identifier;
and each type of monitoring terminal of the Internet of things corresponds to one session key pair.
10. The intelligent terminal system according to claim 1, wherein the monitoring terminal further comprises:
the sending module is used for obtaining the video data of the first obtaining module on the monitoring terminal, generating a corresponding output instruction and sending the output instruction to the receiving module;
the receiving module is configured to receive the output instruction, where the output instruction is obtained by sending at least one output packet of the video data to the receiving module through the sending module;
each output packet is internally provided with a field of the self-defined type of the monitoring terminal, a serial number and a confirmation number of a transmission packet;
the field is used for confirming whether the output packet is a streaming media output packet of video data;
the confirmation number is used for confirming the number of output packets to be received by the receiving module;
the sequence number is used for confirming that the receiving module does not correctly receive the number of the output packets;
the judging module is used for determining whether the sending module needs to resend the output packet to the receiving module by judging whether the serial number is provided with the identification code or not when the receiving module does not correctly receive the output packet;
if the serial number is internally provided with the identification code, the sending module does not need to resend the output packet to the receiving module; otherwise, the sending module needs to resend the output packet to the receiving module.
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| CN110866016B (en) * | 2019-11-26 | 2022-11-01 | 青岛华节鼎孚节能科技有限公司 | Hydraulic engineering monitoring method and device based on multi-sensor technology and electronic equipment |
| CN112162497A (en) * | 2020-09-22 | 2021-01-01 | 中国水利水电科学研究院 | Water conservancy automation management system based on thing networking |
| CN112880748B (en) * | 2021-03-16 | 2023-12-26 | 海南科技职业大学 | Water environment monitoring device based on Internet of things |
| CN113051330A (en) * | 2021-04-13 | 2021-06-29 | 福州外语外贸学院 | Real-time environment monitoring method and device based on big data and computer equipment |
| CN114584793B (en) * | 2022-02-25 | 2023-01-20 | 北京博维仕科技股份有限公司 | Video network transmission safety verification method and system with environment data |
| CN116820014B (en) * | 2023-08-24 | 2023-11-14 | 山西交通科学研究院集团有限公司 | Intelligent monitoring and early warning method and system for traffic electromechanical equipment |
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