CN111009083A - Price tag anti-theft method and system based on price tag system position positioning - Google Patents
Price tag anti-theft method and system based on price tag system position positioning Download PDFInfo
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- CN111009083A CN111009083A CN201911086361.1A CN201911086361A CN111009083A CN 111009083 A CN111009083 A CN 111009083A CN 201911086361 A CN201911086361 A CN 201911086361A CN 111009083 A CN111009083 A CN 111009083A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2451—Specific applications combined with EAS
- G08B13/2462—Asset location systems combined with EAS
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
- G08B13/2468—Antenna in system and the related signal processing
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
- G08B13/248—EAS system combined with another detection technology, e.g. dual EAS and video or other presence detection system
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
- G08B13/2482—EAS methods, e.g. description of flow chart of the detection procedure
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
- G08B13/2485—Simultaneous detection of multiple EAS tags
Abstract
The invention discloses a price tag anti-theft method and system based on price tag system position positioning. The price tag anti-theft method based on price tag system position positioning comprises the following steps: step S1: the background of the price tag system stores the position information of a plurality of APs; step S2: the price tag broadcasts own information at regular time; step S3, a plurality of APs receive the broadcast information of the price tags and extract the signal strength information of the received price tags; step S4: and converting the distance from the bid to each AP according to the signal strength information of the bid. The price tag anti-theft method and the price tag anti-theft system based on the price tag system position positioning fully utilize the interaction between the price tag and the AP to determine the relative position relationship, and determine whether the actual position of the price tag is deviated from the reasonable position range in a proper mode so as to warn by means of a buzzer and the like in time.
Description
Technical Field
The invention belongs to the technical field of price tag application, and particularly relates to a price tag anti-theft method based on price tag system position positioning and a price tag anti-theft system based on price tag system position positioning.
Background
The invention discloses an intelligent market automatic settlement system and an implementation method thereof with the subject name of 201410660481.9, and the technical scheme thereof discloses a device and a system, wherein the device comprises a commodity electronic price tag, a self-help weighing device, a shopping ring, a mobile phone, a shopping basket and automatic market settlement equipment, and the system comprises intelligent market self-help settlement APP software, an intelligent market settlement system and an intelligent market settlement system data cloud service platform; the automatic clearing equipment for the shopping mall comprises a shopping basket moving frame, a visual identification device, a goods picking mechanical device, a bar code and RFID identification device platform, an anti-theft decoding device, a packaging mechanical device platform, a clearing platform, an anti-theft detection door and an automatic passage door; the electronic price tag of the commodity replaces a price tag currently used in a market, an RFID near-field communication electronic chip is arranged in the electronic price tag, information related to the commodity can be written and displayed, the information comprises a manufacturer, a production date, a commodity bar code, commodity components and commodity price, and commodity information can be exchanged with mobile phone communication provided with intelligent market self-service settlement APP software; the mobile phone is a smart phone owned by a customer, and the smart phone needs to have a wireless near field communication function: NFC communication, Bluetooth communication or WIFI communication.
The invention takes 'NFC, Bluetooth, anti-theft and price tag' as key words for retrieval, and takes the invention patents as examples in retrieval results, and although technical characteristics such as NFC read-write modules, shopping rings with NFC function and Bluetooth or wifi function, commodity electronic price tags replacing price tags currently used in markets and the like are disclosed, obviously, the invention patents focus on describing a specific application scene of automatic settlement in markets, and detailed description and disclosure of anti-theft principles behind the price tag and the Bluetooth are not made. On the other hand, the technical problem of the invention patent, low-efficiency shopping environment, needs to introduce a great amount of technical means besides the NFC read-write module, these technical means do not contribute to enriching and perfecting the function of price tag in the aspect of anti-theft, and further improvement is needed.
Disclosure of Invention
The invention overcomes the defects in the prior art, and provides a price tag anti-theft method based on price tag system position positioning and a price tag anti-theft system based on price tag system position positioning.
The invention adopts the following technical scheme that the price tag anti-theft method based on price tag system position positioning comprises the following steps:
step S1: the background of the price tag system stores the position information of a plurality of APs;
step S2: the price tag broadcasts own information at regular time;
step S3, a plurality of APs receive the broadcast information of the price tags and extract the signal strength information of the received price tags;
step S4: the distance from the bid to each AP is converted according to the signal strength information of the bid;
step S5: obtaining the actual position of the price tag in a specific place based on three-point positioning conversion according to the distance between the price tags simultaneously received by the 3 APs which are not on the same straight line;
step S6: and judging whether the position of the price tag is out of a preset position range or not, and executing corresponding early warning measures.
According to the above technical solution, as a further preferable technical solution of the above technical solution, the step S6 is specifically implemented as the following steps:
step S6.1: judging whether the position of the price tag is out of a preset position range or not, if so, executing a step S6.2, otherwise, executing a step S6.3;
step S6.2: informing a buzzer of the AP closest to the price tag to give out a prompt tone;
step S6.3: return to execute step S6.1.
According to the above technical solution, as a further preferable technical solution of the above technical solution, the step S6.1 is specifically implemented as the following steps:
step S6.1.1, judging whether the relative distance between the actual position of a certain price tag and the position of each AP exceeds a preset safety distance threshold value in each judgment period, if so, marking the price tag as a blue early warning grade, otherwise, repeatedly executing step S6.1.1 until the blue early warning grade appears;
step S6.1.2: and in the next judgment period when the blue early warning level appears, continuously judging whether the relative distance between the actual position of the corresponding price tag and the position of each AP still exceeds a preset safety distance threshold, if the judgment is successful, marking the price tag as a yellow early warning level and executing the step S6.2, otherwise, repeatedly executing the step S6.1.1 until the blue early warning level appears.
According to the above technical solution, as a further preferable technical solution of the above technical solution, the step S6.1 further includes the step S6.1.3:
step S6.1.3: and if the relative distance between the actual position of a certain price tag and the position of each AP exceeds a preset safety distance threshold value after N judgment periods are continued, marking the price tag as a red early warning level if the judgment is successful, and starting an additional warning measure while executing the step S6.2.
According to the above aspect, as a more preferable aspect of the above aspect, N is 5 determination periods.
According to the above technical solution, as a further preferable technical solution of the above technical solution, the step S6.1 is specifically implemented as the following steps:
step S6.1.1, recording the relative distance between the actual position of a certain price tag and the position of each AP in each judgment period, marking the price tag as a blue early warning grade if the proportion of the relative distance exceeding a preset safety distance threshold value exceeds a preset upper limit proportion, otherwise, repeatedly executing step S6.1.1 until the blue early warning grade appears;
step S6.1.2: and in the next judgment period when the blue early warning level appears, continuously judging whether the proportion that the relative distance of the corresponding price tag relative to each AP exceeds a preset safety distance threshold value exceeds a preset upper limit proportion, if the judgment is successful, marking the price tag as a yellow early warning level and executing the step S6.2, otherwise, repeatedly executing the step S6.1.1 until the blue early warning level appears.
According to the above technical solution, as a further preferable technical solution of the above technical solution, the step S6.1 further includes the step S6.1.3:
step S6.1.3: and if the relative distance of a certain price tag relative to each AP exceeds a preset safety distance threshold value in N continuous judgment periods, marking the price tag as a red early warning level if the judgment is successful, and starting an additional warning measure while executing the step S6.2.
According to the above aspect, as a more preferable aspect of the above aspect, N is 5 determination periods.
The invention further discloses a price tag anti-theft system based on the price tag system position location, and the price tag anti-theft system is used for implementing the price tag anti-theft method based on the price tag system position location in any one of the technical schemes.
The price tag anti-theft method and the price tag anti-theft system based on the price tag system position positioning have the advantages that the interaction between the price tag and the AP is fully utilized to determine the relative position relation, and whether the actual position of the price tag is deviated from the reasonable position range or not is determined in a proper mode, so that the price tag anti-theft method and the price tag anti-theft system can give a warning in time through a buzzer and other means.
Detailed Description
The invention discloses a price tag anti-theft method based on price tag system position location and a price tag anti-theft system based on price tag system position location.
It is worth mentioning that the present patent application relates to an AP, which is defined as a base station (an entity that can receive and process price-tagged broadcast information).
Preferred embodiments.
Preferably, the price tag anti-theft method based on price tag system position location comprises the following steps:
step S1: the background of the price tag system stores the position information (which is recorded in advance by personnel) of a plurality of APs (more than or equal to 3);
step S2: the price tag broadcasts own information at regular time;
step S3, a plurality of APs receive the broadcast information of the price tags and extract the signal strength information of the received price tags;
step S4: the distance from the bid to each AP is converted according to the signal strength information of the bid;
step S5: and (4) according to the distance between the price tags simultaneously received by the 3 APs which are not on the same straight line, the actual position of the price tag in a specific place is obtained through conversion based on three-point positioning.
Further, the price tag anti-theft system based on price tag system position location further includes step S6:
step S6: and judging whether the position of the price tag is out of a preset position range or not, and executing corresponding early warning measures.
Further, the AP is provided with a buzzer for emitting a warning sound (e.g., a warning message).
Specifically, step S6 is specifically implemented as the following steps:
step S6.1: judging whether the position of the price tag is out of the preset position range or not, if so, executing a step S6.2, otherwise, executing a step S6.3;
step S6.2: informing a buzzer of the AP closest to the price tag to give out a prompt tone;
step S6.3: return to execute step S6.1.
It should be noted that, as shown in the specific implementation manner of step S6, since the actual position of the price tag at a specific location can be known more accurately, particularly when the price tag is out of the preset position range, further refinement can be performed.
Detailed description of the preferred embodiment 1.
Specifically, the step S6.1 is specifically implemented as the following steps:
step S6.1.1, judging whether the relative distance between the actual position of a certain price tag and the position of each AP exceeds a preset safe distance threshold value in each judgment period, if the judgment is successful (the relative distance between the actual position of the price tag and the position of each AP exceeds the preset safe distance threshold value in a certain judgment period), marking the price tag as a blue early warning grade (but step S6.2 is not directly executed, accidental positioning abnormality caused by accidental errors is prevented), otherwise, repeatedly executing step S6.1.1 until the blue early warning grade appears;
step S6.1.2: in the next judgment cycle when the blue early warning level appears, whether the relative distance between the actual position of the corresponding price tag and the position of each AP still exceeds the preset safe distance threshold is continuously judged, if the judgment is successful (the relative distance between the actual position of the price tag and the position of each AP still exceeds the preset safe distance threshold in a certain judgment cycle), the price tag is marked as a yellow early warning level, and step S6.2 is executed (it is considered that accidental positioning is abnormal due to non-accidental errors), otherwise, step S6.1.1 is repeatedly executed until the blue early warning level appears.
As an extension, step S6.1 further includes step S6.1.3:
step S6.1.3: if the relative distance between the actual position of a price tag and the position of each AP exceeds a preset safety distance threshold value after N judgment cycles are continued, if the judgment is successful (the relative distance between the actual position of the price tag and the position of each AP exceeds the preset safety distance threshold value in a certain judgment cycle), the price tag is marked as a red early warning level, and while step S6.2 is executed, an additional warning measure (for example, changing a warning sound with a more strict wording/notifying a security guard to perform on-site treatment, etc.) is started.
Among them, N is preferably 5 judgment cycles.
Wherein the preset safe distance threshold may be 1.5 times the relative distance of the two APs that are farthest apart.
It should be noted that embodiment 1 is applicable to the case where the number of APs is large and the distribution is uniform (the determination condition is related to the location of each AP, the integrity is emphasized, and it is necessary to avoid that the location of one or some APs is too remote, which may cause the actual location of the price tag to be too far away from most APs and not be paid attention to in time).
Detailed description of the preferred embodiment 2.
Specifically, the step S6.1 is specifically implemented as the following steps:
step S6.1.1, recording the relative distance between the actual position of a certain price tag and the position of each AP in each judgment period, if the proportion of the relative distance exceeding the preset safety distance threshold exceeds the preset upper limit proportion (for example, 10 APs exist in total, the upper limit proportion is set to be 20%, and if 3 relative distances exceeding the preset safety distance preset, the proportion is considered to exceed the preset upper limit proportion), marking the price tag as a blue early warning level (but step S6.2 is not directly executed, so that accidental positioning abnormality caused by accidental errors is prevented), otherwise, repeatedly executing step S6.1.1 until the blue early warning level appears;
step S6.1.2: in the next judgment period when the blue warning level appears, whether the proportion that the relative distance of the corresponding price tag relative to each AP exceeds the preset safety distance threshold exceeds the preset upper limit proportion is continuously judged, if the judgment is successful (for example, the number of APs and the upper limit proportion are set as above, and 5 relative distances exceed the preset safety distance preset), the price tag is marked as the yellow warning level, and step S6.2 is executed (it is considered that accidental positioning abnormality caused by non-accidental errors occurs), otherwise, step S6.1.1 is repeatedly executed until the blue warning level appears.
As an extension, step S6.1 further includes step S6.1.3:
step S6.1.3: if the relative distance of a certain price tag relative to each AP exceeds the preset safety distance threshold value in N continuous judgment periods, the price tag is marked as a red early warning level if the judgment is successful, and additional warning measures (such as changing more strict warning tone/notifying security guard personnel to handle on site and the like) are started while the step S6.2 is executed.
Among them, N is preferably 5 judgment cycles.
Wherein the preset safe distance threshold may be 1.5 times the relative distance of the two APs that are farthest apart.
It should be noted that the embodiment 2 is applicable to the case where the number of APs is large and the distribution is not uniform (the determination condition is not related to the location of each AP at the same time, so as to emphasize individuality, even if the location of an individual AP is remote and can be identified).
It should be noted that the patent application of the invention also discloses a price tag anti-theft system based on the position positioning of the price tag system, which is used for implementing the price tag anti-theft method based on the position positioning of the price tag system in the above heat conference.
It should be noted that technical features such as specific types of buzzers and the like related to the patent application of the present invention should be regarded as the prior art, specific structures, operation principles, control modes and spatial arrangement modes of the technical features may be conventional in the art, and should not be regarded as the invention points of the patent application, and the patent application is not further specifically described in detail.
It will be apparent to those skilled in the art that modifications and equivalents may be made in the embodiments and/or portions thereof without departing from the spirit and scope of the present invention.
Claims (9)
1. A price tag anti-theft method based on price tag system position location is characterized by comprising the following steps:
step S1: the background of the price tag system stores the position information of a plurality of APs;
step S2: the price tag broadcasts own information at regular time;
step S3, a plurality of APs receive the broadcast information of the price tags and extract the signal strength information of the received price tags;
step S4: the distance from the bid to each AP is converted according to the signal strength information of the bid;
step S5: obtaining the actual position of the price tag in a specific place based on three-point positioning conversion according to the distance between the price tags simultaneously received by the 3 APs which are not on the same straight line;
step S6: and judging whether the position of the price tag is out of a preset position range or not, and executing corresponding early warning measures.
2. The price tag system position location-based price tag anti-theft method according to claim 1, wherein the step S6 is embodied as the following steps:
step S6.1: judging whether the position of the price tag is out of a preset position range or not, if so, executing a step S6.2, otherwise, executing a step S6.3;
step S6.2: informing a buzzer of the AP closest to the price tag to give out a prompt tone;
step S6.3: return to execute step S6.1.
3. The price tag system position location-based price tag anti-theft method according to claim 2, wherein the step S6.1 is embodied as the steps of:
step S6.1.1, judging whether the relative distance between the actual position of a certain price tag and the position of each AP exceeds a preset safety distance threshold value in each judgment period, if so, marking the price tag as a blue early warning grade, otherwise, repeatedly executing step S6.1.1 until the blue early warning grade appears;
step S6.1.2: and in the next judgment period when the blue early warning level appears, continuously judging whether the relative distance between the actual position of the corresponding price tag and the position of each AP still exceeds a preset safety distance threshold, if the judgment is successful, marking the price tag as a yellow early warning level and executing the step S6.2, otherwise, repeatedly executing the step S6.1.1 until the blue early warning level appears.
4. The price tag system position location based price tag theft prevention method according to claim 3, wherein said step S6.1 further comprises the step S6.1.3 of:
step S6.1.3: and if the relative distance between the actual position of a certain price tag and the position of each AP exceeds a preset safety distance threshold value after N judgment periods are continued, marking the price tag as a red early warning level if the judgment is successful, and starting an additional warning measure while executing the step S6.2.
5. The price tag system position location-based price tag anti-theft method according to claim 4, wherein N is 5 judgment cycles.
6. The price tag system position location-based price tag anti-theft method according to claim 2, wherein the step S6.1 is embodied as the steps of:
step S6.1.1, recording the relative distance between the actual position of a certain price tag and the position of each AP in each judgment period, marking the price tag as a blue early warning grade if the proportion of the relative distance exceeding a preset safety distance threshold value exceeds a preset upper limit proportion, otherwise, repeatedly executing step S6.1.1 until the blue early warning grade appears;
step S6.1.2: and in the next judgment period when the blue early warning level appears, continuously judging whether the proportion that the relative distance of the corresponding price tag relative to each AP exceeds a preset safety distance threshold value exceeds a preset upper limit proportion, if the judgment is successful, marking the price tag as a yellow early warning level and executing the step S6.2, otherwise, repeatedly executing the step S6.1.1 until the blue early warning level appears.
7. The price tag system location based price tag theft prevention method according to claim 6, wherein said step S6.1 further comprises the step S6.1.3 of:
step S6.1.3: and if the relative distance of a certain price tag relative to each AP exceeds a preset safety distance threshold value in N continuous judgment periods, marking the price tag as a red early warning level if the judgment is successful, and starting an additional warning measure while executing the step S6.2.
8. The price tag system position location-based price tag anti-theft method according to claim 7, wherein N is 5 judgment cycles.
9. Price tag anti-theft system based on price tag system position location, characterized in that, it is used to implement the price tag anti-theft method based on price tag system position location of any claim 1-8.
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| CN201911086361.1A CN111009083A (en) | 2019-11-08 | 2019-11-08 | Price tag anti-theft method and system based on price tag system position positioning |
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| CN201911086361.1A CN111009083A (en) | 2019-11-08 | 2019-11-08 | Price tag anti-theft method and system based on price tag system position positioning |
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