Reverse positioning system and device based on RFID

Abstract

The utility model discloses a reverse positioning system and device based on RFID, the reverse positioning system comprises a plurality of RFID tags, an RFID reader, an intelligent mobile phone and a cloud, the RFID reader is installed on a wearable device, the cloud stores a map of a positioning place and analyzes the reading result of the RFID reader, and the cloud stores the map of the positioning place. The system comprises an RFID reader, an intelligent mobile phone, a cloud end and a plurality of RFID tags, the RFID tags are uniformly arranged in a positioning place, a worker firstly uploads a map of the positioning place and the positions of the RFID tags in the positioning place to the cloud end, then wears a wearable device provided with the RFID reader and enters the positioning place, and the intelligent mobile phone is connected with the cloud end. The RFID reader continuously reads information of the RFID tag and transmits the information to the smart phone, the smart phone uploads the information to the cloud through a wireless network, and the cloud analyzes and processes the received information and a map of a positioning place and judges the position of the RFID reader, so that the purpose of positioning is achieved.

Description

Technical Field

[0001] The utility model relates to a personnel position positioning system, in particular to a reverse positioning system and a device based on RFID. Background Art

[0002] RFID positioning system is a system that uses wireless radio frequency identification (RFID) technology to track and identify the location of target objects. It realizes automatic recognition of people by performing non-contact information collection and processing on mobile targets, thereby realizing automatic management of targets. RFID positioning system is mainly composed of RFID tags, readers and data processing systems. RFID tags are attached to the target objects that need to be located. Each tag has unique ID information. The reader is responsible for sending radio frequency signals and receiving response signals from RFID tags. By parsing the response signals, the ID information and possible location information of the tags are obtained. The data processing system is responsible for collecting data from the reader, processing and analyzing it, and finally determining the location of the target object. RFID positioning system has the advantages of non-contact recognition, high recognition speed, simultaneous recognition of multiple targets, and strong anti-interference ability. Therefore, it is widely used in many fields, such as logistics, warehousing, intelligent transportation, asset management, etc. At the same time, RFID positioning system is also It can provide management personnel with management information such as personnel entry and exit restrictions, monitoring and surveillance, etc. to ensure the efficient operation of safety work. The patent with patent publication number CN108229605A discloses a precise positioning system based on RFID, which includes multiple RFID readers, multiple receivers and a database. Multiple RFID readers are respectively arranged in multiple monitoring areas, and the RFID readers correspond to the receivers one by one, and the RFID readers establish communication with the receivers. The RFID reader is used to read the RFID electronic tags in the monitored area and transmit them to the receiver, and the receiver is used to upload the data read by the RFID reader to the database. The precise positioning system based on RFID has the characteristics of good positioning accuracy and high precision. However, the precise positioning system based on RFID needs to set up RFID readers in multiple monitoring areas, which is relatively costly, and the general active positioning system also needs to enable base stations, which will further increase the construction cost. Utility Model Content

[0003] 1. Technical problems solved

[0004] In view of the shortcomings of the prior art, the present invention provides a reverse positioning system and device based on RFID, wherein the reverse positioning system includes an RFID reader, a smart phone, a cloud and multiple RFID tags, wherein the RFID tags are evenly arranged in the positioning place, and the staff first uploads the map of the positioning place and the position of each RFID tag in the positioning place to the cloud, and then wears a wearable device equipped with an RFID reader to enter the positioning place, and the RFID reader continuously reads the information of the RFID tag at a fixed frequency and transmits it to the smart phone, which uploads the information to the cloud via a wireless network, and the cloud analyzes and processes the received information and the map of the positioning place and determines the position of the RFID reader to achieve the purpose of positioning, and the reverse positioning device needs to set multiple RFID tags instead of an RFID reader in the positioning place, which can effectively reduce the cost of building the system and solve the problems raised by the background technology.

[0005] 2. Technical solution

[0006] A reverse positioning system based on RFID includes multiple RFID tags, an RFID reader, a smart phone and a cloud. The RFID reader is installed on a wearable device. The cloud stores a map of the positioning location and analyzes the reading results of the RFID reader.

[0007] Preferably, the RFID tags are evenly arranged in the positioning location.

[0008] Preferably, a chip is provided in the RFID reader, and a Bluetooth module and an enabling module are integrated on the chip.

[0009] Preferably, the RFID tags are passive electronic tags, and the RFID tags are all provided with location information and a unique number.

[0010] Preferably, the RFID reader is connected to the smartphone via Bluetooth, and the smartphone is connected to the cloud via a wireless network. The RFID reader reads information from surrounding RFID tags at a fixed frequency and transmits the read RFID information to the smartphone, which receives the information and transmits it to the cloud. The cloud analyzes the received information based on artificial intelligence big data.

[0011] A reverse positioning device based on RFID, wherein the reverse positioning device is a wearable device, the wearable device is a safety helmet, the top surface of the safety helmet is arc-shaped, a protective shell is fixedly arranged on the arc-shaped top surface of the safety helmet, and an RFID reader is installed in the protective shell.

[0012] Preferably, each of the RFID readers is provided with a unique number.

[0013] 3. Beneficial effects

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The reverse positioning system includes an RFID reader, a smart phone, a cloud and multiple RFID tags. The RFID tags are evenly arranged in the positioning place. The staff first uploads the map of the positioning place and the positions of each RFID tag in the positioning place to the cloud, and then wears a wearable device equipped with an RFID reader to enter the positioning place. The RFID reader will read the information of the RFID tag at a fixed frequency and transmit it to the smart phone. The smart phone uploads the received information to the cloud. The cloud analyzes and processes the received information and the map of the positioning place and determines the position of the RFID reader to achieve the purpose of positioning. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the RFID-based reverse positioning system of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the RFID-based reverse positioning device of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the protective shell of the RFID-based reverse positioning device of the utility model.

[0019] In the figure: 1. Safety helmet; 101. Protective shell. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example

[0022] Reference Figure 1-3 As shown,

[0023] A reverse positioning system based on RFID, the reverse positioning system includes multiple RFID tags, an RFID reader, a smart phone and a cloud, the RFID reader is installed on a wearable device, the cloud stores a map of the positioning place and analyzes the reading results of the RFID reader, the RFID tags are evenly arranged in the positioning place, the RFID tags are passive electronic tags, the RFID tags are all provided with location information and a unique number, the RFID reader is connected to the smart phone via Bluetooth, the smart phone is connected to the cloud via a wireless network, the RFID reader reads information of surrounding RFID tags at a fixed frequency and transmits the read RFID information to the smart phone, the smart phone receives the information and transmits the information to the cloud, and the cloud analyzes the received information based on artificial intelligence big data;

[0024] The reverse positioning system includes an RFID reader, a smart phone, a cloud and multiple RFID tags, wherein the RFID tags are evenly arranged in the positioning place. The staff first uploads the map of the positioning place and the position of each RFID tag in the positioning place to the cloud, and then wears a wearable device equipped with an RFID reader to enter the positioning place. The RFID reader reads the information of the surrounding RFID tags at a fixed frequency and transmits it to the smart phone, which transmits the information to the cloud. The cloud analyzes and processes the received information and the map of the positioning place and determines the position of the RFID reader to achieve the purpose of positioning. The reverse positioning system uses known fixed RFID tags to locate the RFID reader. The reading distance of the reverse positioning system is roughly within 1 meter, which meets most application scenarios such as infrastructure and fire protection. The reverse positioning device needs to set multiple RFID tags instead of RFID readers in the positioning place. The RFID tag is a passive electronic tag, maintenance-free, and extremely low cost, which can effectively reduce the cost of building the system.

[0025] The RFID reader is provided with a chip, and the chip is integrated with a Bluetooth module and an enabling module;

[0026] The RFID reader is connected to the smartphone via Bluetooth through the Bluetooth module integrated on the chip. The frequency of the RFID reader reading the RFID tag is set through the smartphone. The smartphone can also actively control the RFID reader to scan the RFID tag. The RFID reader chip is integrated with an enabling module. The RFID reader enables by transmitting RF signals at a short distance. The reverse positioning system does not require an enabling base station, which can further reduce the deployment cost of the reverse positioning system without enabling base stations. The smartphone can adjust the transmission power of the RFID reader to the RFID tag enabling signal to control the positioning accuracy. The lower the transmission power, the closer the distance required for reading and the higher the positioning accuracy.

[0027] The RFID-based reverse positioning system is mainly used for personnel positioning.

[0028] A reverse positioning device based on RFID, the reverse positioning device is a wearable device, the wearable device is a safety helmet 1, the top surface of the safety helmet 1 is arc-shaped, a protective shell 101 is fixedly arranged on the arc-shaped top surface of the safety helmet 1, an RFID reader is installed in the protective shell 101, and each of the RFID readers is provided with a unique number;

[0029] The wearable device is a safety helmet 1. When a user wears the safety helmet 1 and enters a positioning place, the RFID reader in the protective shell 101 starts working and uploads the information of the read RFID tag to the cloud, thereby accurately locating the user's position. When multiple users wearing RFID readers enter at the same time, the RFID readers are all provided with unique numbers and are uploaded to the cloud, so the reverse positioning device can accurately locate and distinguish each user entering the positioning place.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reverse positioning system based on RFID, characterized in that: The reverse positioning system includes multiple RFID tags, an RFID reader, a smart phone and a cloud. The RFID reader is installed on a wearable device, and the cloud stores a map of the positioning location and analyzes the reading results of the RFID reader.

2. The RFID-based reverse positioning system according to claim 1, characterized in that: The RFID tags are evenly arranged in the positioning location.

3. The RFID-based reverse positioning system according to claim 1, characterized in that: The RFID reader is provided with a chip, and the chip is integrated with a Bluetooth module and an enabling module.

4. The RFID-based reverse positioning system according to claim 1, characterized in that: The RFID tags are passive electronic tags, and are all provided with location information and a unique number.

5. The RFID-based reverse positioning system according to claim 1, characterized in that: The RFID reader is connected to the smartphone via Bluetooth, and the smartphone is connected to the cloud via a wireless network. The RFID reader reads information from surrounding RFID tags at a fixed frequency and transmits the read RFID information to the smartphone, which receives the information and transmits it to the cloud. The cloud analyzes the received information based on artificial intelligence big data.

6. The RFID-based reverse positioning system according to claim 1, characterized in that: The RFID readers are all provided with unique numbers.

7. A reverse positioning device based on RFID, characterized in that: The reverse positioning device is an RFID-based reverse positioning system according to any one of claims 1 to 6, the wearable device is a safety helmet (1), the top surface of the safety helmet (1) is arc-shaped, a protective shell (101) is fixedly arranged on the arc-shaped top surface of the safety helmet (1), and an RFID reader is installed in the protective shell (101).

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