CN110428591B - Case loss early warning method and system - Google Patents

Case loss early warning method and system Download PDF

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CN110428591B
CN110428591B CN201910840392.5A CN201910840392A CN110428591B CN 110428591 B CN110428591 B CN 110428591B CN 201910840392 A CN201910840392 A CN 201910840392A CN 110428591 B CN110428591 B CN 110428591B
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target area
alarm information
information
alarm
luggage
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CN110428591A (en
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魏爽
魏劲超
郑敏
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Sichuan Changhong Electric Co Ltd
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Sichuan Changhong Electric Co Ltd
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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • G08B21/24Reminder alarms, e.g. anti-loss alarms

Abstract

The invention relates to the field of bags and bags, aims to solve the problem of poor prevention effect of the existing bag and bag loss alarm method, and provides a bag and bag loss early-warning method, which comprises the following steps: acquiring position information and alarm information of all bags with positioning and alarming functions, and determining the position information corresponding to all the alarm information, wherein the alarm information is the alarm information sent when the bag is detected to be lost; calculating the danger degree of at least one target area according to the quantity of the alarm information, wherein the target area comprises at least one piece of position information; the method comprises the steps of collecting position information of a target luggage in real time, determining a target area where the target luggage is located currently and a corresponding danger degree, and sending early warning information to a client when the danger degree corresponding to the target area where the target luggage is located currently is larger than a preset range. The invention realizes the active early warning of the case loss, so that the user can prepare for prevention in advance, and the prevention effect of the case loss is improved.

Description

Case loss early warning method and system
Technical Field
The invention relates to the field of bags, in particular to a bag loss early warning method and system.
Background
With the increasing living standard of people, tourism becomes one of the main consumption modes of common people, the number of tourism in the whole year in China reaches 50 hundred million people, and more people take the tourism as an important way for leisure and relaxation. And often will be with a large amount of article dress in the case and bag in the travelling of people to conveniently carry, nevertheless if the case and bag is lost, can cause huge economic loss for the owner of losing. The case and bag loss mainly has two situations, one is that people lose cases and bags due to negligence of various reasons, and the cases and bags are lost due to the fact that people forget the cases and bags most easily when taking a bus and getting away from the cases and bags due to consignment; and secondly, the bag is stolen by lawbreakers, and valuable articles are often stored in the bag, so that the bag becomes the target of the lawbreakers.
The existing means for preventing the case from being lost usually adopts the means of a coded lock, a loss alarm and the like to passively prevent the case from being lost, and the case is still likely to be lost in the coded lock mode, so that lawless persons can violently open the case, and the purpose of preventing the case from being lost cannot be achieved; the loss alarm mode is mainly to send loss alarm information to a user, for example, when the case is determined to be lost through the distance between the case and the user, the alarm information is sent to a mobile phone of the user to remind the user that the case is lost. However, the mode generates an alarm after the luggage is lost, and the prevention effect is poor.
Disclosure of Invention
The invention aims to solve the problem of poor prevention effect of the existing case loss alarm method, and provides a case loss early-warning method and system.
The technical scheme adopted by the invention for solving the technical problems is as follows: the case loss early warning method comprises the following steps:
step 1, acquiring position information and alarm information of all bags with positioning and alarm functions, and determining the position information corresponding to all the alarm information, wherein the alarm information is the alarm information sent when the bag is detected to be lost;
step 2, calculating the danger degree of at least one target area according to the quantity of the alarm information, wherein the target area comprises at least one piece of position information;
and 3, acquiring the position information of the target luggage in real time, determining the current target area of the target luggage and the corresponding danger degree, and sending early warning information to the client when the danger degree corresponding to the current target area of the target luggage is larger than a preset range.
Further, in order to facilitate the user to view the risk level of each target area, the step 2 further includes: and drawing a risk degree thermodynamic diagram according to the risk degree of each target area, and sending the risk degree thermodynamic diagram to the client.
Further, in order to improve the accuracy of calculating the risk level of the target area, the step 2 further includes: and screening out effective alarm information from all the alarm information, and calculating the danger degree of at least one target area according to the quantity of all the alarm information and the effective alarm information.
Further, to realize the calculation of the risk level of the target area, the calculation formula for calculating the risk level of at least one target area according to the number of all the alarm information and the effective alarm information is as follows:
Figure BDA0002193520930000021
wherein f (x, y) represents the risk degree of the target area, Alarm (x, y) represents the total number of Alarm information of the target area, and Cov (x, y) represents the targetCovariance of distribution density of position information corresponding to alarm information of the target area, N (x, y) representing total number of valid alarm information of the target area, σ1And standard deviation of distribution density of the position information corresponding to the alarm information of the target area.
Further, to determine the risk level of each time segment of the target area, the step 1 further includes: determining time information corresponding to all the alarm information;
in step 2, the calculating the risk level of the at least one target area according to the number of the alarm information includes: calculating the danger degree of each time period of at least one target area according to the quantity of the alarm information and the time information;
in step 3, the determining the current target area of the target luggage and the corresponding risk level further includes: and determining a target area where the target luggage is located at present and a danger degree corresponding to a time period where the current time is located.
Further, in order to facilitate the user to view the risk level of each target area at the current time, the step 2 further includes: and drawing a risk degree thermodynamic diagram of each time period according to the risk degree of each time period of each target area, and sending the risk degree thermodynamic diagram corresponding to the time period in which the current time is positioned to the client.
Further, in order to improve the accuracy of calculating the risk level of each time segment of the target area, the step 2 further includes: and screening effective alarm information from all the alarm information, and calculating the danger degree of each time period of at least one target area according to the quantity and the time information of all the alarm information and the effective alarm information.
Further, to achieve calculation of the risk degree of each time segment of the target area, the calculation formula for calculating the risk degree of each time segment of at least one target area according to the number of all the alarm information and the effective alarm information and the time information is as follows:
Figure BDA0002193520930000022
in the formula, f (t)Indicating the danger degree of a target area t time period, alarm (t) indicating the total number of alarm information of the target area t time period, cov (t) indicating the covariance of the distribution density of the position information corresponding to the alarm information of the target area, N (t) indicating the total number of effective alarm information of the target area t time period, and sigma (t)2And the standard deviation of the distribution density of the position information corresponding to the alarm information of the target area t time period is shown.
The invention also provides a bag loss early warning system, which comprises:
the system comprises an acquisition unit, a storage unit and a processing unit, wherein the acquisition unit is used for acquiring position information and alarm information of all bags with positioning and alarm functions, and determining the position information corresponding to all the alarm information, wherein the alarm information is the alarm information sent when the bags are detected to be lost;
the calculating unit is used for calculating the danger degree of at least one target area according to the quantity of the alarm information, and the target area comprises at least one piece of position information;
the acquisition unit is used for acquiring the position information of the target luggage in real time;
the determining unit is used for determining a target area where the target luggage is located and a corresponding danger degree;
and the sending unit is used for sending early warning information to the client when the danger degree corresponding to the target area where the target luggage is located is larger than a preset range.
Further, the obtaining unit is further configured to: determining time information corresponding to all the alarm information;
the computing unit is further to: calculating the danger degree of each time period of at least one target area according to the quantity of the alarm information and the time information;
the determination unit is further configured to: and determining the danger degree corresponding to the target area where the target luggage is located and the time period where the current time is located.
The invention has the beneficial effects that: according to the method and the system for early warning of the loss of the luggage, the danger degree of the target area is calculated according to the collected history warning information of the luggage and the corresponding position information, and the early warning information is sent to the user according to the danger degree corresponding to the target area where the target luggage is located at present, so that the active early warning of the loss of the luggage is realized, the user can prepare for prevention in advance, the prevention effect of the loss of the luggage is improved, and the economic loss of the user is reduced.
Drawings
Fig. 1 is a schematic flow chart of a case loss warning method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a bag loss early warning system according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The invention relates to a case loss early warning method, which comprises the following steps: step 1, acquiring position information and alarm information of all bags with positioning and alarm functions, and determining the position information corresponding to all the alarm information, wherein the alarm information is the alarm information sent when the bag is detected to be lost; step 2, calculating the danger degree of at least one target area according to the quantity of the alarm information, wherein the target area comprises at least one piece of position information; and 3, acquiring the position information of the target luggage in real time, determining the current target area of the target luggage and the corresponding danger degree, and sending early warning information to the client when the danger degree corresponding to the current target area of the target luggage is larger than a preset range.
The bag with the positioning and alarming functions can be positioned and send alarming information after the bag is judged to be lost. Firstly, historical position information and alarm information of all bags with positioning and alarming functions are collected, historical position information corresponding to all the historical alarm information is determined, then the danger degree of the target area is calculated according to the number of the historical alarm information in the corresponding target area, the danger degree represents the probability of losing the bags in the target area, the probability of losing the bags in the target area is higher if the danger degree is higher, and finally, when the danger degree corresponding to the target area where the target bags, namely bags to be pre-warned, are located is larger than a preset range, pre-warning information is sent to a client to remind a user of preparing for precaution.
Examples
The method for early warning the loss of the luggage, disclosed by the embodiment of the invention, as shown in figure 1, comprises the following steps of:
s1, acquiring position information and alarm information of all bags with positioning and alarm functions, and determining the position information corresponding to all the alarm information, wherein the alarm information is the alarm information sent when the bag is detected to be lost;
the luggage with the positioning and alarming functions can be a luggage provided with a positioning module and a Bluetooth module, the Bluetooth module is in communication connection with the mobile terminal held by the user, and when the Bluetooth communication connection between the mobile terminal held by the user and the luggage is disconnected, the luggage is judged to be lost, and alarming information is sent. The case and bag with location and alarming function can also be equipped with the orientation module in case and bag, is equipped with the case and bag of induction element respectively on the box and the case lid of case and bag, after detecting that two induction element's output number changes, then judges that case and bag are opened, sends alarm information, and case and bag with location and alarming function still has a lot of, and this place is no longer repeated.
The positioning module of case and bag sends the locating signal of case and bag according to preset time interval, and locating signal can include the multiple mixed locating signal of satellite positioning and network location, and locating signal specifically can include: satellite positioning longitude and latitude, base station positioning longitude and latitude and positioning signal recording time.
S2, calculating the danger degree of at least one target area according to the quantity of the alarm information, wherein the target area comprises at least one piece of position information;
specifically, all historical position information and historical alarm information of the luggage can be collected through the data processing service platform, and the danger degree of the target area is calculated according to the number of the alarm information corresponding to the target area, wherein the target area is an area divided on a map according to actual conditions, the target area can be multiple, and each target area at least comprises one piece of geographical position information.
And S3, acquiring position information of the target luggage in real time, determining a target area where the target luggage is currently located and a corresponding danger degree, and sending early warning information to the client when the danger degree corresponding to the target area where the target luggage is currently located is larger than a preset range.
The target luggage is to be subjected to loss early warning, a positioning module is arranged in the target luggage, a data processing service platform acquires position information of the target luggage in real time, calculates the danger degree corresponding to a target area where the current position of the target luggage is located in real time, and sends early warning information to a client when the danger degree exceeds a preset range, wherein the client can be a mobile terminal held by a user, such as a smart phone, and the preset range is set according to actual conditions.
Optionally, after the risk degree of each target area is obtained through calculation, a risk degree thermodynamic diagram can be drawn according to the risk degree of each target area and sent to the client, the risk degree thermodynamic diagram can be a thermodynamic diagram representing the risk degree of each target area through the lightness of color, for example, the darker the color of the target area is, the higher the risk degree of the target area is, the user can view the risk degree thermodynamic diagram in real time, so that precaution preparation is made in advance.
Optionally, step S2 further includes: and screening out effective alarm information from all the alarm information, and calculating the danger degree of at least one target area according to the quantity of all the alarm information and the effective alarm information.
Specifically, since a part of the alarm information may be due to false alarm or due to the user, and the calculated risk level according to the part of the alarm information is inaccurate, the accuracy of risk level calculation can be improved by screening out valid alarm information from all the alarm information and calculating the risk level of at least one target area according to the number of all the alarm information and the valid alarm information. The specific method for screening may be: and in the preset time after receiving the alarm information of the luggage, still receiving the positioning signal of the luggage, and indicating that the alarm information is invalid alarm information, otherwise, indicating that the alarm information is valid alarm information.
Wherein, the calculation formula for calculating the risk degree of at least one target area according to the quantity of all the alarm information and the effective alarm information is as follows:
Figure BDA0002193520930000051
in the formula, f (x, y) represents the risk degree of the target area, Alarm (x, y) represents the total number of Alarm information of the target area, Cov (x, y) represents the covariance of the distribution density of position information corresponding to the Alarm information of the target area, N (x, y) represents the total number of valid Alarm information of the target area, σ represents the total number of valid Alarm information of the target area, and1and standard deviation of distribution density of the position information corresponding to the alarm information of the target area.
Optionally, the step S1 further includes: determining time information corresponding to all the alarm information;
in step S2, the calculating the risk level of the at least one target area according to the number of the alarm messages includes: calculating the danger degree of each time period of at least one target area according to the quantity of the alarm information and the time information;
in step S3, the determining the current target area and the corresponding risk level of the target bag further includes: and determining a target area where the target luggage is located at present and a danger degree corresponding to a time period where the current time is located.
Specifically, because the time periods are different and the probability of losing the luggage is also different, the danger degree of each time period in the target area is calculated according to the historical luggage alarm information, the corresponding position information and the corresponding time information, and when the danger degree of the target area where the current position of the target luggage is located and the time period where the current time is located exceeds the preset range, the early warning information is sent to the client.
When the risk degree thermodynamic diagrams are drawn, the risk degree thermodynamic diagrams of the target areas in the time periods are drawn, and when the client is to transmit the risk degree thermodynamic diagrams, the risk degree thermodynamic diagrams of the target areas in the time period in which the current time is located are transmitted to the client.
Similarly, when the danger degree of each time period of the target area is calculated according to the historical alarm information of the luggage, the corresponding position information and the corresponding time information, effective alarm information can be screened out from all the historical alarm information, and the danger degree of each time period of the target area is calculated according to the quantity of all the alarm information and the effective alarm information and the time information.
Wherein, the calculation formula for calculating the risk degree of each time slot of at least one target area according to the quantity and the time information of all the alarm information and the effective alarm information is as follows:
Figure BDA0002193520930000061
wherein f (t) represents the risk degree of the target area t time period, alarm (t) represents the total number of alarm information of the target area t time period, cov (t) represents the covariance of the distribution density of the position information corresponding to the alarm information of the target area, N (t) represents the total number of effective alarm information of the target area t time period, and sigma (t)2And the standard deviation of the distribution density of the position information corresponding to the alarm information of the target area t time period is shown.
In addition, in step S1, the number of pieces of location information of the bags in at least one target area may also be obtained, and if the number of pieces of location information exceeds a preset value, early warning information is sent to the client. If the number of resident personnel is large, the loss probability of the luggage is also large, so that the number of resident personnel in the target area is judged according to the number of the position information, the warning is given to the user, and the prevention effect of the luggage loss is further improved.
Based on the above technical solution, an embodiment of the present invention further provides a system for early warning of loss of a bag, as shown in fig. 2, including: the system comprises an acquisition unit, a storage unit and a processing unit, wherein the acquisition unit is used for acquiring position information and alarm information of all bags with positioning and alarm functions, and determining the position information corresponding to all the alarm information, wherein the alarm information is the alarm information sent when the bags are detected to be lost;
the calculating unit is used for calculating the danger degree of at least one target area according to the quantity of the alarm information, and the target area comprises at least one piece of position information;
the acquisition unit is used for acquiring the position information of the target luggage in real time;
the determining unit is used for determining a target area where the target luggage is located and a corresponding danger degree;
and the sending unit is used for sending early warning information to the client when the danger degree corresponding to the target area where the target luggage is located is larger than a preset range.
Optionally, the obtaining unit is further configured to: determining time information corresponding to all the alarm information;
the computing unit is further to: calculating the danger degree of each time period of at least one target area according to the quantity of the alarm information and the time information;
the determination unit is further configured to: and determining the danger degree corresponding to the target area where the target luggage is located and the time period where the current time is located.
It can be understood that, the loss early warning system of the luggage of the invention is a system for realizing the loss early warning method of the luggage, and for the disclosed system, the description is simpler as the system corresponds to the disclosed method, and relevant points can be referred to the partial description of the method. The early warning effect of the lost case can be improved by the case loss early warning method, so that the early warning effect of the lost case can be improved by the system for realizing the case loss early warning method.

Claims (8)

1. The case loss early warning method is characterized by comprising the following steps:
step 1, acquiring position information and alarm information of all bags with positioning and alarm functions, and determining the position information corresponding to all the alarm information, wherein the alarm information is the alarm information sent when the bag is detected to be lost;
step 2, calculating the danger degree of at least one target area according to the quantity of the alarm information, wherein the target area comprises at least one piece of position information; the method specifically comprises the following steps: effective alarm information is screened out from all the alarm information, the danger degree of at least one target area is calculated according to the quantity of all the alarm information and the effective alarm information, and the calculation formula is as follows:
Figure FDA0002947759820000011
in the formula, f (x, y) represents the risk degree of the target area, Alarm (x, y) represents the total number of Alarm information of the target area, Cov (x, y) represents the covariance of the distribution density of position information corresponding to the Alarm information of the target area, N (x, y) represents the total number of valid Alarm information of the target area, σ represents the total number of valid Alarm information of the target area, and1the standard deviation of the distribution density of the position information corresponding to the alarm information of the target area is represented;
and 3, acquiring the position information of the target luggage in real time, determining the current target area of the target luggage and the corresponding danger degree, and sending early warning information to the client when the danger degree corresponding to the current target area of the target luggage is larger than a preset range.
2. A loss warning method for luggage according to claim 1, wherein said step 2 further comprises: and drawing a risk degree thermodynamic diagram according to the risk degree of each target area, and sending the risk degree thermodynamic diagram to the client.
3. A loss warning method for luggage according to claim 1, wherein said step 1 further comprises: determining time information corresponding to all the alarm information;
in step 2, the calculating the risk level of the at least one target area according to the number of the alarm information includes: calculating the danger degree of each time period of at least one target area according to the quantity of the alarm information and the time information;
in step 3, the determining the current target area of the target luggage and the corresponding risk level further includes: and determining a target area where the target luggage is located at present and a danger degree corresponding to a time period where the current time is located.
4. A loss warning method for luggage according to claim 3, wherein said step 2 further comprises: and drawing a risk degree thermodynamic diagram of each time period according to the risk degree of each time period of each target area, and sending the risk degree thermodynamic diagram corresponding to the time period in which the current time is positioned to the client.
5. A loss warning method for luggage according to claim 3, wherein said step 2 further comprises: and screening effective alarm information from all the alarm information, and calculating the danger degree of each time period of at least one target area according to the quantity and the time information of all the alarm information and the effective alarm information.
6. A loss early warning method for a luggage as claimed in claim 5, wherein the calculation formula for calculating the risk degree of each time period of at least one target area according to the number of all alarm information and valid alarm information and the time information is as follows:
Figure FDA0002947759820000021
wherein f (t) represents the risk degree of the target area t time period, alarm (t) represents the total number of alarm information of the target area t time period, cov (t) represents the covariance of the distribution density of the position information corresponding to the alarm information of the target area, N (t) represents the total number of effective alarm information of the target area t time period, and sigma (t)2And the standard deviation of the distribution density of the position information corresponding to the alarm information of the target area t time period is shown.
7. Case and bag lose early warning system, its characterized in that includes:
the system comprises an acquisition unit, a storage unit and a processing unit, wherein the acquisition unit is used for acquiring position information and alarm information of all bags with positioning and alarm functions, and determining the position information corresponding to all the alarm information, wherein the alarm information is the alarm information sent when the bags are detected to be lost;
the calculating unit is used for calculating the danger degree of at least one target area according to the quantity of the alarm information, and the target area comprises at least one piece of position information; the method specifically comprises the following steps: effective alarm information is screened out from all the alarm information, the danger degree of at least one target area is calculated according to the quantity of all the alarm information and the effective alarm information, and the calculation formula is as follows:
Figure FDA0002947759820000022
in the formula, f (x, y) represents the risk degree of the target area, Alarm (x, y) represents the total number of Alarm information of the target area, Cov (x, y) represents the covariance of the distribution density of position information corresponding to the Alarm information of the target area, N (x, y) represents the total number of valid Alarm information of the target area, σ represents the total number of valid Alarm information of the target area, and1the standard deviation of the distribution density of the position information corresponding to the alarm information of the target area is represented;
the acquisition unit is used for acquiring the position information of the target luggage in real time;
the determining unit is used for determining a target area where the target luggage is located and a corresponding danger degree;
and the sending unit is used for sending early warning information to the client when the danger degree corresponding to the target area where the target luggage is located is larger than a preset range.
8. A loss warning system for a bag according to claim 7, wherein the acquiring unit is further adapted to: determining time information corresponding to all the alarm information;
the computing unit is further to: calculating the danger degree of each time period of at least one target area according to the quantity of the alarm information and the time information;
the determination unit is further configured to: and determining the danger degree corresponding to the target area where the target luggage is located and the time period where the current time is located.
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