CN113784295A - Anti-lost method and system for portable article - Google Patents
Anti-lost method and system for portable article Download PDFInfo
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- CN113784295A CN113784295A CN202111316635.9A CN202111316635A CN113784295A CN 113784295 A CN113784295 A CN 113784295A CN 202111316635 A CN202111316635 A CN 202111316635A CN 113784295 A CN113784295 A CN 113784295A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
Abstract
The invention provides a method and a system for preventing loss of a portable article, which comprise the following steps: step S1, the portable article is connected with the mobile phone terminal of the user through the anti-lost module; step S2, sending portable article information to a cloud server through the mobile phone terminal according to a first preset time interval; step S3, detecting the connection state between the anti-lost module and the mobile phone terminal in real time, and when the connection state is changed to disconnection, the anti-lost module sends a broadcast packet to the surrounding mobile terminals according to a second preset time interval; step S4, when the surrounding mobile terminals receive the broadcast packet, packaging the anti-lost module device information, the current timestamp information and the current mobile terminal position information, generating new portable article information and then sending the new portable article information to the cloud server; in step S5, the cloud server pushes the new portable item information to the collection terminal of the user. The invention can find the loss of the portable object in time and realize the retrieval in time and efficiently.
Description
Technical Field
The invention relates to an anti-lost method, in particular to an anti-lost method of a portable article, and an anti-lost system adopting the anti-lost method of the portable article.
Background
The portable articles such as purses and keys which need to be carried about are easy to lose or forget when being carried about due to reasons such as small size, and the portable articles are important, are difficult to find after being lost, further bring much inconvenience to users, and easily cause property damage and potential safety hazard.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an anti-lost method which can quickly and conveniently track the portable object, and can quickly find and realize efficient recovery after the portable object is lost, and on the basis, the invention further relates to an anti-lost system adopting the anti-lost method of the portable object.
Accordingly, the invention provides a method for preventing loss of a portable article, which comprises the following steps:
step S1, a loss prevention module is arranged in a portable article, and the portable article is connected with a mobile phone terminal of a user through the loss prevention module;
step S2, sending portable article information to a cloud server through the mobile phone terminal of the user according to a first preset time interval, wherein the portable article information comprises anti-lost module equipment information, timestamp information and position information of the mobile phone terminal of the portable article;
step S3, detecting the connection state between the anti-lost module and the mobile phone terminal in real time, when the connection state is changed to disconnection, the anti-lost module sends a broadcast packet to the surrounding mobile terminals according to a second preset time interval, wherein the broadcast packet carries the anti-lost module equipment information;
step S4, when the surrounding mobile terminals receive the broadcast packet, performing identity recognition, and if the recognition is successful, packaging the anti-lost module device information, the current timestamp information and the current mobile terminal position information, generating new portable article information, and then sending the new portable article information to the cloud server according to a third preset time interval;
and step S5, after receiving the new portable article information, the cloud server pushes the new portable article information to the collection terminal of the user.
The invention is further improved in that the anti-lost module device information includes a device identification code and a unique secret key corresponding to the anti-lost module device information, the secret key is a unique string of random numbers generated by a secret key generation system, the random numbers are generated and then written into the anti-lost module, and meanwhile, the random numbers and the device identification code are combined to generate a device identifier, and the device identifier is uploaded to the cloud server for realizing secret key verification.
A further improvement of the invention is that the device identification code comprises a fixed length device identification code and a random number of non-fixed length; in step S4, when the peripheral mobile terminals receive the broadcast packet, the device identification codes are removed according to the length sequence of the device identification codes, and the remaining data is transmitted to the cloud server to implement key verification, and if the verification is passed, it is determined that the identity identification is successful, and the subsequent steps are performed; if the verification is not passed, the broadcast packet is discarded.
In step S1, when the portable article is initially connected to the mobile phone terminal of the user through the anti-lost module, the cloud server records the anti-lost module device information and the mobile phone terminal information of the portable article through the mobile phone terminal of the user; and establishing one-to-one corresponding position information index record for the anti-lost module equipment information of the portable article in the subsequent steps.
A further improvement of the present invention is that the process of establishing a one-to-one correspondence location information index record comprises the sub-steps of:
step A, judging whether the received anti-lost module equipment information is new anti-lost module equipment information, if so, creating an index subdirectory corresponding to the new anti-lost module equipment information, and then jumping to step B; if not, directly jumping to the step B;
b, extracting timestamp information in the portable article information, judging whether the timestamp information is a new timestamp or not, and if yes, skipping to the step C; if not, discarding the portable article information, and returning to wait for new portable article information;
step C, recording the position information of the corresponding mobile phone terminal under the same index subdirectory according to the time sequence record of the timestamp information, and drawing a position change map corresponding to the anti-lost module equipment information;
and D, sending the position change map to a mobile phone terminal of the user and storing the position change map in the cloud server.
In step C, when the received portable article information includes new timestamp information and the portable article information includes new mobile terminal device information, defining the portable article information as a first reminder identifier; and after first reminding identifications exceeding a preset number threshold are continuously received, sending an alarm signal and the first reminding identifications to the mobile phone terminal and the cloud server of the user.
A further development of the invention is that said step a comprises the following sub-steps:
step A1, connecting all portable articles with anti-lost module with the mobile phone terminal of the user for the first time, recording the anti-lost module device information corresponding to each portable article through the mobile phone terminal of the user, and storing the portable articles and the anti-lost module device information corresponding to the portable articles into the portable article non-authentication list of the user;
step A2, judging whether the received anti-lost module device information is new anti-lost module device information, if not, directly jumping to step B; if yes, go to step A3;
step A3, calling a portable article authentication-free list of a user, judging whether new anti-lost module equipment information is matched with any record in the portable article authentication-free list, if so, jumping to step B, and merging position change maps of a plurality of portable articles of the same user; and if not, jumping to the step B after creating the index sub-directory corresponding to the new anti-lost module equipment information.
A further development of the invention is that the second predetermined time interval is smaller than the first predetermined time interval; the third preset time interval is greater than the second preset time interval and less than the first preset time interval.
A further improvement of the present invention is that, in step S4, after the peripheral mobile terminals receive the broadcast packet and successfully recognize the identity, the cloud server automatically compares the current mobile terminal position information in the new portable item information with the position information of the mobile phone terminal before disconnection in step S3, and if the difference between the current mobile terminal position information and the position information of the mobile phone terminal before disconnection is greater than a preset distance threshold, defines the current portable item information as a second reminder identifier; and after second reminding identifications exceeding a preset number threshold are continuously received, sending an alarm signal and the second reminding identifications to the mobile phone terminal and the cloud server of the user.
The invention also provides an anti-lost system of the portable article, which adopts the anti-lost method of the portable article and comprises an anti-lost module, a mobile terminal, a cloud server and a user module;
the anti-lost module comprises:
the battery module is used for realizing the power supply of the anti-lost module;
the mobile terminal connection module is used for connecting with the mobile terminal;
the mobile terminal state monitoring module is used for monitoring the connection state between the mobile terminal connection module and the anti-lost module connection management module;
the signal sending module is used for sending the broadcast packet after the connection state is monitored to be disconnected;
the mobile terminal includes:
the anti-lost module is connected with the management module and is used for being connected with the anti-lost module;
the mobile terminal position acquisition module is used for acquiring the current position information of the mobile terminal;
the signal acquisition module is used for acquiring the broadcast packet sent by the anti-lost module;
the cloud service message sending module is used for sending the portable article information to a cloud server;
the cloud server includes:
the mobile terminal information receiving module is used for receiving the portable article information sent by the mobile terminal;
the user message pushing module is used for pushing the received information to the user module;
the user module includes:
the request module is used for actively sending request information to the cloud server;
and the receiving module is used for receiving the information sent by the cloud server.
Compared with the prior art, the invention has the beneficial effects that: the portable object is connected with a mobile phone terminal of a user through a loss prevention module, portable object information is sent to a cloud server through the mobile phone terminal according to a first preset time interval, so that the position of the portable object is tracked in real time through the mobile phone terminal which is also carried about, when the connection state is changed into disconnection, a broadcast packet is sent to peripheral mobile terminals through the loss prevention module according to a second preset time interval, and after new portable object information is generated through the peripheral mobile terminals in a broadcast packet mode, the new portable object information is sent to the cloud server according to a third preset time interval, so that the loss of the portable object can be found in time, and finding back can be achieved in time and efficiently.
Drawings
FIG. 1 is a schematic workflow diagram of one embodiment of the present invention;
fig. 2 is a schematic system structure according to an embodiment of the present invention.
Detailed Description
Preferred embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, the present example provides a method for preventing loss of a portable article, comprising the steps of:
step S1, a loss prevention module is arranged in a portable article, and the portable article is connected with a mobile phone terminal of a user through the loss prevention module;
step S2, sending portable article information to a cloud server through the mobile phone terminal of the user according to a first preset time interval, wherein the portable article information comprises anti-lost module equipment information, timestamp information and position information of the mobile phone terminal of the portable article;
step S3, detecting the connection state between the anti-lost module and the mobile phone terminal in real time, when the connection state is changed to disconnection, the anti-lost module sends a broadcast packet to the surrounding mobile terminals according to a second preset time interval, wherein the broadcast packet carries the anti-lost module equipment information;
step S4, when the surrounding mobile terminals receive the broadcast packet, performing identity recognition, and if the recognition is successful, packaging the anti-lost module device information, the current timestamp information and the current mobile terminal position information, generating new portable article information, and then sending the new portable article information to the cloud server according to a third preset time interval; if the identification is unsuccessful, discarding;
and step S5, after receiving the new portable article information, the cloud server pushes the new portable article information to the collection terminal of the user.
The anti-lost module does not have a positioning module, but is positioned by using a mobile phone terminal of a user who carries the anti-lost module with the mobile phone terminal, under the normal connection condition, the anti-lost module equipment information, the timestamp information and the position information of the mobile phone terminal of the user are sent to the cloud service terminal through the mobile phone terminal of the user, the sending frequency can be set and modified in a user-defined mode according to the user requirements, namely the first preset time interval is the time interval which can be set and modified in advance and is used for sending the portable article information under the normal connection condition. The mobile phone terminal of the user refers to the mobile phone terminal of the owner of the portable object; the surrounding mobile terminals refer to mobile terminals of other surrounding users.
In this embodiment, the second predetermined time interval is smaller than the first predetermined time interval. And the second preset time interval is a time interval for sending a broadcast packet to the surrounding mobile terminals when the connection state is changed into disconnection and the anti-lost module is triggered. Similarly, the second preset time interval may be preset and modified according to actual needs, in this example, the second preset time interval is preferably smaller than the first preset time interval, and in a normal connection state, the frequency of sending the portable article information may be appropriately reduced to reduce unnecessary power consumption; when the connection is disconnected, the frequency of sending the broadcast packet is increased, and the broadcast packet can be broadcasted in the current general broadcast form or the self-researched private protocol, so that the connection with the surrounding mobile terminals can be realized as fast as possible.
In this embodiment, the third predetermined time interval is greater than the second predetermined time interval and less than the first predetermined time interval. The third preset time interval is a time interval for generating and transmitting new portable article information through the peripheral mobile terminals after the connection with the mobile terminals of other peripheral users is successful. Similarly, the third preset time interval may be preset and modified according to actual needs, in this example, the third preset time interval is greater than the preferred second preset time interval and is smaller than the first preset time interval, after the connection is successfully established with the mobile terminals of other users around, the current location information is sent through the mobile terminals of the other users around, at this time, the cloud server and the mobile phone terminals of the users may receive the new location information of the anti-lost module, and may switch to a frequency lower than the broadcast frequency and higher than the normal connection state sending frequency, and send new portable item information at the third preset time interval, so as to simultaneously have the reliable performance and the power saving performance.
Since other users in the periphery may move continuously and the connection with the loss prevention module may be disconnected, the process goes back to step S3 to continue to transmit the broadcast packet to the mobile terminals in the periphery according to the second preset time interval, and therefore, after the loss prevention module is triggered to disconnect, the process switches between the broadcast packet and the mobile terminals connected to other users continuously until the disconnection is found, and then returns to step S1 to implement normal connection and data transmission.
It should be noted that, in this process, as the power consumption of the anti-lost module, when the power of the anti-lost module is lower than a preset low power threshold, the current data or broadcast packet transmission frequency is reduced, preferably to 1/3 to 1/2 of the current frequency, so as to ensure the continuous working capability of the anti-lost module, where the low power threshold refers to a preset low power warning line, preferably 25 to 35% of the total power.
After disconnection, the anti-lost module sends a broadcast packet to all surrounding mobile terminals, for example, surrounding mobile phones, and after receiving the broadcast packet, all installed mobile phones capable of performing identity recognition can perform identity recognition on the mobile phones, for example, mobile phones with the same APP are installed, and after successful recognition, the device information of the anti-lost module, the current timestamp and the positioning information of the mobile phones can be sent to the cloud server.
The anti-loss module device information comprises a device identification code and a unique secret key corresponding to the anti-loss module device information, the secret key is a unique string of random numbers generated by a secret key generation system, namely, the secret key is characters which correspond to the anti-loss modules one by one and are random in length and random in number, and the design can effectively avoid counterfeiting and avoid potential safety hazards to other surrounding mobile terminals, because the anti-loss modules generating the secret key are connected and bound with the mobile phone terminals of users, the method is similar to that of real-name authentication in a cloud server; and after the connection is disconnected, the random number and the equipment identification code are combined to generate an equipment identifier, the equipment identifier is uploaded to the cloud server, after new portable article information is uploaded, secret key verification is realized in the cloud server, and a verification result is returned after verification.
The device identification code in this example preferably comprises a fixed length device identification code and a random number with an unfixed length; in step S4, when the peripheral mobile terminals receive the broadcast packet, the device identification codes are removed according to the length sequence of the device identification codes, and the remaining data is transmitted to the cloud server to implement key verification, and if the verification is passed, it is determined that the identity identification is successful, and the subsequent steps are performed; if the verification is not passed, the broadcast packet is discarded.
In step S1, when the portable article is initially connected to the mobile phone terminal of the user through the anti-lost module, the cloud server records the anti-lost module device information and the mobile phone terminal information of the portable article through the mobile phone terminal of the user, and performs identity authentication and index recording of location information with respect to the portable article; and establishing one-to-one corresponding position information index record for the anti-lost module equipment information of the portable article in the subsequent steps.
The process of establishing the one-to-one corresponding position information index record in this embodiment includes steps a to D, and more specifically:
step A, judging whether the received anti-lost module equipment information is new anti-lost module equipment information, if so, creating an index subdirectory corresponding to the new anti-lost module equipment information, and then jumping to step B; if not, directly jumping to the step B. Step A is used for judging whether the current anti-lost module is new or not, if receiving new anti-lost module equipment information, creating an index sub-directory corresponding to the new anti-lost module equipment information, and putting portable article information related to the subsequent anti-lost module in the index sub-directory; if not, directly jumping to the step B, and further enabling each anti-loss module to have a corresponding index subdirectory as much as possible so as to rapidly realize review and recovery when the anti-loss module is lost.
B, extracting timestamp information in the portable article information, judging whether the timestamp information is a new timestamp or not, and if yes, skipping to the step C; if not, discarding the portable article information, and returning to wait for new portable article information. In practical application, received portable article information is not necessarily sequentially received in sequence, so that in order to avoid data errors below the index subdirectory, in the embodiment, when the portable article information is received, the timestamp information in the portable article information is extracted first, whether the timestamp information is a new timestamp is judged, if the new timestamp represents unrecorded portable article information, the next step is carried out, and otherwise, the portable article information is discarded and returned to wait for new information.
And step C, recording the position information of the corresponding mobile phone terminal under the same index subdirectory according to the time sequence record of the timestamp information, and drawing a position change map corresponding to the anti-lost module equipment information. The mobile phone terminal comprises a mobile phone terminal of a user and peripheral mobile terminals, and by drawing a position change map corresponding to the anti-lost module device information, the path and track of the anti-lost module can be quickly checked through the position change map, so that the movement track of the user can be conveniently known, and for a special group of the old, the anti-lost and the retrieving of portable objects can be realized; the system can also prevent the old from missing and provide dynamic action track monitoring and recording for special people.
And step D, sending the position change map to the mobile phone terminal of the user, storing the position change map into the cloud server, facilitating real-time checking, and rapidly realizing backtracking, tracking and retrieving when the position change map is lost.
In step C, when the received portable article information includes new timestamp information and the portable article information includes new mobile terminal device information, defining the portable article information as a first reminding identifier; and after first reminding identifications exceeding a preset number threshold are continuously received, sending an alarm signal and the first reminding identifications to the mobile phone terminal and the cloud server of the user. When the received portable article information includes new timestamp information and the portable article information includes new mobile terminal device information, it is described that the connection between the portable article information and its own mobile terminal is disconnected, which may be a loss, and the portable article information is used as a first reminding identifier, which is reminding identifier information that the loss prevention module is disconnected from the user's own mobile terminal, but in practical application, it is also possible that a broadcast packet is sent due to a problem of signal disconnection or the like at the user's mobile terminal, if a data detected by a peripheral mobile terminal is received, an alarm is given immediately, and it is difficult to avoid misjudgment, so in this example, after a first reminding identifier exceeding a preset number threshold is continuously received, an alarm signal and the first reminding identifier are sent to the user's mobile terminal and the cloud server, at this time, the mobile phone terminal of the user refers to step S1, the anti-lost module corresponds to the mobile phone terminal of the user, so that the prompt can be quickly realized, the false alarm can be effectively prevented, and the preset number threshold can be set according to the actual situation, for example, 3 or 5.
It should be noted that step a in this example includes the following sub-steps:
step A1, connecting all portable articles with anti-lost module with the mobile phone terminal of the user for the first time, recording the anti-lost module device information corresponding to each portable article through the mobile phone terminal of the user, and storing the portable articles and the anti-lost module device information corresponding to the portable articles into the portable article non-authentication list of the user;
step A2, judging whether the received anti-lost module device information is new anti-lost module device information, if not, directly jumping to step B; if yes, go to step A3;
step A3, calling a portable article authentication-free list of a user, judging whether new anti-lost module equipment information is matched with any record in the portable article authentication-free list, if so, jumping to step B, and merging position change maps of a plurality of portable articles of the same user; and if not, jumping to the step B after creating the index sub-directory corresponding to the new anti-lost module equipment information.
The setting is that, because the user is likely to have more than one portable article, such as a key and a wallet, the present embodiment combines the location change maps of a plurality of portable articles of the same user by the above design, and the combined corresponding portable article information preferably includes first anti-lost module device information, timestamp information, location information of a mobile phone terminal, a preset device spacer, second anti-lost module device information, a preset device spacer, … …, and nth anti-lost module device information, that is, adding the 2 nd to nth anti-lost module device information to the original portable article information by the preset device spacer can effectively avoid the burden on the cloud server caused by the need to process and receive a plurality of location change maps simultaneously when the user carries a plurality of portable articles, the preset device interval symbol is a preset interval symbol and can be adjusted according to actual conditions and requirements; on the other hand, the portable article information can be disassembled quickly through the preset device spacer. On the basis, if one or more of two or more portable objects are lost, different path change curves can appear in the position change map, under the condition, the embodiment can directly eliminate the signal problems of the mobile phone terminal and the anti-loss module of the user, and immediately sends an alarm signal and the first reminding identifier to the mobile phone terminal and the cloud server of the user after the first reminding identifier appears, so that the user can be informed at the first time.
In this embodiment, in step S4, after the surrounding mobile terminals receive the broadcast packet and successfully recognize the identity, the cloud server automatically compares the current mobile terminal position information in the new portable item information with the position information of the mobile phone terminal before disconnection in step S3, and if the difference between the current mobile terminal position information and the position information of the mobile phone terminal before disconnection is greater than the preset distance threshold, defines the current portable item information as the second reminder identifier; and after second reminding identifications exceeding a preset number threshold are continuously received, sending an alarm signal and the second reminding identifications to the mobile phone terminal and the cloud server of the user.
In this example, the second reminding identifier refers to a reminding identifier in which the position change of the peripheral mobile terminal connected to the anti-lost module exceeds the normal range after the disconnection; the preset distance threshold is the broadcast distance of the anti-lost module and can be changed according to actual products and performance. When the second reminding identifier is received, it indicates that the position where the anti-lost module is located is abnormal, but if some data in the middle is in a problem, the problem may be related to the signal or the moving speed of other users around, so that after the second reminding identifier exceeding the preset number threshold is continuously received, false alarm can be effectively avoided, and further the abnormal state is determined, for example, the reason is picked up or stolen by other people, and at this time, an alarm signal and the second reminding identifier should be sent to the mobile phone terminal and the cloud server of the user, so that the notification can be accurately and timely realized, and the retrieval or finding is facilitated.
In practical application, after disconnection, a broadcast packet may be received by a plurality of peripheral mobile terminals, and in this case, the cloud server uses the position information respectively transmitted by the plurality of peripheral mobile terminals as a central point, uses a preset distance threshold as a radius, circles out an area commonly covered by the plurality of peripheral mobile terminals as a target area of the anti-lost module, and sends the target area to the mobile phone terminal of the user, so that the search range is conveniently reduced through multi-party linkage, and the retrieval efficiency is improved. Even when the user searches for his or her own portable object, the user can use this principle to reduce the range to be searched by carrying two or more mobile terminals to the scene.
As shown in fig. 2, this example further provides an anti-lost system for a portable article, which adopts the anti-lost method for a portable article, and includes an anti-lost module, a mobile terminal, a cloud server, and a user module;
the anti-lost module comprises:
the battery module is used for realizing the power supply of the anti-lost module;
the mobile terminal connection module is used for connecting with the mobile terminal;
the mobile terminal state monitoring module is used for monitoring the connection state between the mobile terminal connection module and the anti-lost module connection management module, the process can realize monitoring by simply monitoring a request signal and a response signal between the mobile terminal and the anti-lost module, and the heartbeat connection state is kept through the monitoring, namely the connection is judged to be normal, otherwise, the connection is judged to be disconnected;
the signal sending module is used for sending the broadcast packet after the connection state is monitored to be disconnected;
the mobile terminal includes:
the anti-lost module is connected with the management module and is used for being connected with the anti-lost module;
the mobile terminal position acquisition module is used for acquiring the current position information of the mobile terminal;
the signal acquisition module is used for acquiring the broadcast packets sent by the anti-lost modules and is convenient for receiving the broadcast packets of each anti-lost module;
the cloud service message sending module is used for sending the portable article information to a cloud server;
the cloud server includes:
the mobile terminal information receiving module is used for receiving the portable article information sent by the mobile terminal;
the user message pushing module is used for pushing the received information to the user module;
the user module is actually carried on a master mobile phone of the anti-lost module, and comprises:
the request module is used for actively sending request information to the cloud server, and actively sending information requested to be searched to the cloud server when the connection relation between the request module and the anti-lost module is disconnected;
and the receiving module is used for receiving the information sent by the cloud server.
In summary, in this embodiment, the portable object is connected to the mobile phone terminal of the user through the anti-lost module, and the mobile phone terminal sends the portable object information to the cloud server according to the first preset time interval, so that the position of the portable object is tracked in real time through the mobile phone terminal that is also carried with the user, and when the connection state is changed to disconnection, the anti-lost module sends the broadcast packet to the peripheral mobile terminals according to the second preset time interval, and the peripheral mobile terminals generate new portable object information in the form of the broadcast packet, and then sends the new portable object information to the cloud server according to the third preset time interval, so that the loss of the portable object can be found in time, and the finding can be realized in time and efficiently.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (10)
1. An anti-lost method of a portable article, characterized by comprising the steps of:
step S1, a loss prevention module is arranged in a portable article, and the portable article is connected with a mobile phone terminal of a user through the loss prevention module;
step S2, sending portable article information to a cloud server through the mobile phone terminal of the user according to a first preset time interval, wherein the portable article information comprises anti-lost module equipment information, timestamp information and position information of the mobile phone terminal of the portable article;
step S3, detecting the connection state between the anti-lost module and the mobile phone terminal in real time, when the connection state is changed to disconnection, the anti-lost module sends a broadcast packet to the surrounding mobile terminals according to a second preset time interval, wherein the broadcast packet carries the anti-lost module equipment information;
step S4, when the surrounding mobile terminals receive the broadcast packet, performing identity recognition, and if the recognition is successful, packaging the anti-lost module device information, the current timestamp information and the current mobile terminal position information, generating new portable article information, and then sending the new portable article information to the cloud server according to a third preset time interval;
and step S5, after receiving the new portable article information, the cloud server pushes the new portable article information to the collection terminal of the user.
2. The method according to claim 1, wherein the anti-lost module device information includes a device identification code and a unique key corresponding to the anti-lost module device information, the key is a unique string of random numbers generated by a key generation system, the random numbers are generated and then written into the anti-lost module, and the random numbers and the device identification code are combined to generate a device identifier, and the device identifier is uploaded to the cloud server for key verification.
3. The method of claim 2, wherein the device identification code comprises a fixed length device identification code and a random number of an unfixed length; in step S4, when the peripheral mobile terminals receive the broadcast packet, the device identification codes are removed according to the length sequence of the device identification codes, and the remaining data is transmitted to the cloud server to implement key verification, and if the verification is passed, it is determined that the identity identification is successful, and the subsequent steps are performed; if the verification is not passed, the broadcast packet is discarded.
4. The method according to any one of claims 1 to 3, wherein in step S1, when the portable article is initially connected to the mobile phone terminal of the user through the anti-lost module, the cloud server records the anti-lost module device information and the mobile phone terminal information of the portable article through the mobile phone terminal of the user; and establishing one-to-one corresponding position information index record for the anti-lost module equipment information of the portable article in the subsequent steps.
5. A method for preventing loss of a portable object according to claim 4, wherein the process of establishing a one-to-one correspondence index record of position information comprises the sub-steps of:
step A, judging whether the received anti-lost module equipment information is new anti-lost module equipment information, if so, creating an index subdirectory corresponding to the new anti-lost module equipment information, and then jumping to step B; if not, directly jumping to the step B;
b, extracting timestamp information in the portable article information, judging whether the timestamp information is a new timestamp or not, and if yes, skipping to the step C; if not, discarding the portable article information, and returning to wait for new portable article information;
step C, recording the position information of the corresponding mobile phone terminal under the same index subdirectory according to the time sequence record of the timestamp information, and drawing a position change map corresponding to the anti-lost module equipment information;
and D, sending the position change map to a mobile phone terminal of the user and storing the position change map in the cloud server.
6. The method according to claim 5, wherein the portable article information further includes current mobile terminal device information, and in step C, when the received portable article information includes new timestamp information and the portable article information includes new mobile terminal device information, the portable article information is defined as a first reminder identifier; and after first reminding identifications exceeding a preset number threshold are continuously received, sending an alarm signal and the first reminding identifications to the mobile phone terminal and the cloud server of the user.
7. A method for preventing loss of a portable object according to claim 5, wherein said step A comprises the sub-steps of:
step A1, connecting all portable articles with anti-lost module with the mobile phone terminal of the user for the first time, recording the anti-lost module device information corresponding to each portable article through the mobile phone terminal of the user, and storing the portable articles and the anti-lost module device information corresponding to the portable articles into the portable article non-authentication list of the user;
step A2, judging whether the received anti-lost module device information is new anti-lost module device information, if not, directly jumping to step B; if yes, go to step A3;
step A3, calling a portable article authentication-free list of a user, judging whether new anti-lost module equipment information is matched with any record in the portable article authentication-free list, if so, jumping to step B, and merging position change maps of a plurality of portable articles of the same user; and if not, jumping to the step B after creating the index sub-directory corresponding to the new anti-lost module equipment information.
8. A method of protecting a portable object from loss according to any one of claims 1 to 3, wherein the second predetermined time interval is less than the first predetermined time interval; the third preset time interval is greater than the second preset time interval and less than the first preset time interval.
9. The method according to any one of claims 1 to 3, wherein in the step S4, when the peripheral mobile terminals receive the broadcast packet and successfully recognize the identity, the cloud server automatically compares current mobile terminal position information in the new portable item information with the position information of the mobile phone terminal before disconnection in the step S3, and if the difference between the current mobile terminal position information and the position information of the mobile phone terminal before disconnection is greater than a preset distance threshold, defines the current portable item information as a second reminder identifier; and after second reminding identifications exceeding a preset number threshold are continuously received, sending an alarm signal and the second reminding identifications to the mobile phone terminal and the cloud server of the user.
10. An anti-lost system of a portable article, characterized in that the anti-lost method of the portable article according to any one of claims 1 to 9 is adopted, and comprises an anti-lost module, a mobile terminal, a cloud server and a user module;
the anti-lost module comprises:
the battery module is used for realizing the power supply of the anti-lost module;
the mobile terminal connection module is used for connecting with the mobile terminal;
the mobile terminal state monitoring module is used for monitoring the connection state between the mobile terminal connection module and the anti-lost module connection management module;
the signal sending module is used for sending the broadcast packet after the connection state is monitored to be disconnected;
the mobile terminal includes:
the anti-lost module is connected with the management module and is used for being connected with the anti-lost module;
the mobile terminal position acquisition module is used for acquiring the current position information of the mobile terminal;
the signal acquisition module is used for acquiring the broadcast packet sent by the anti-lost module;
the cloud service message sending module is used for sending the portable article information to a cloud server;
the cloud server includes:
the mobile terminal information receiving module is used for receiving the portable article information sent by the mobile terminal;
the user message pushing module is used for pushing the received information to the user module;
the user module includes:
the request module is used for actively sending request information to the cloud server;
and the receiving module is used for receiving the information sent by the cloud server.
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