Electronic lead seal for transmitting mass positioning data based on RFID (Radio Frequency Identification Device) technology

Abstract

The invention discloses an electronic lead seal for transmitting a large amount of positioning data based on an RFID (Radio Frequency Identification Device) technology, which is characterized in that an RFID tag chip is used as a transmission channel, a GPS (Global Positioning System) and / or Beidou positioning navigation technology is combined, equipment and articles are positioned and tracked, and a moving track from a starting point to an ending point is recorded. As the memory space of an RFID tag chip is small and a large amount of track data cannot be stored, the problem that the invention needs to be improved urgently is solved. According to the invention, through the external expansion memory area, a large amount of positioning data obtained from the positioning module forms a moving track, the transmission of the positioning data storage is controlled through the main control module, and the moving track data is stored in the external expansion storage space. In actual use, when the electronic lead seal arrives at any place, a user can read a large amount of positioning data stored in the external expansion storage space through pairing identification of an external RFID read-write terminal and the RFID tag chip, so that the moving track of each section of the electronic lead seal is obtained. The electronic lead seal has the advantages of low power consumption, low production cost and long endurance.

Description

Technical Field

[0001] The invention relates to the technical field of electronic seals, and in particular to an electronic seal that transmits a large amount of positioning data based on RFID technology. Background Art

[0002] A lead seal is a security packaging tool, mainly used to ensure the integrity and safety of goods or equipment during transportation, storage or use; its main function is to provide an obvious, verifiable mark to prove that a device, container or package has not been opened or tampered with within a specific time. Once the lead seal is correctly locked, it cannot be opened unless it is violently destroyed, and the destroyed lead seal cannot be reused. Each lead seal has a unique number mark that can be used for inspection and transfer.

[0003] In order to meet the need for unique identity identification, the electronic seals in the existing technology require a large amount of transportation positioning data to ensure that the materials will not be stolen or lost. The mainstream positioning method on the market is to build a 4G / 5G transmission module into the electronic seal to transmit the seal's positioning data and monitoring status to the management platform through the network in real time. Although this mode can check the location of the electronic seal at any time, it also brings about prominent problems such as high cost, high power consumption, and short battery life. Therefore, there is an urgent need for a reasonable electronic seal to solve the above-mentioned technical problems. Summary of the invention

[0004] In view of the shortcomings of the above-mentioned technology, such as high manufacturing cost, short battery life and high power consumption of existing electronic seals, the present invention provides an electronic seal based on RFID technology for transmitting a large amount of positioning data.

[0005] To achieve the above-mentioned purpose, the present invention provides an electronic seal that transmits a large amount of positioning data based on RFID technology, including a positioning module, a storage module, a main control module, an RFID tag chip and a power module; the positioning module is used to locate the position of the seal and generate positioning data information; the storage module is used to receive the positioning data information, store the positioning information in a memory, and generate positioning storage information; the main control module is used to receive the positioning storage information, and the position information read by the main control module from the storage module is transmitted through the RFID technology, and a transmission signal is generated; the RFID tag chip receives the transmission signal, transmits the position information read by the main control module through the RFID technology, and sends it to the user's external RFID reading terminal; the power module is used to provide power to the positioning module, the storage module, the main control module, and the RFID tag chip.

[0006] When the external RFID reading terminal reads the electronic seal information, after the RFID tag chip is successfully identified and paired with the external RFID reading terminal, the main control module controls the RFID tag chip to transmit the positioning information in the storage module to the external RFID reading terminal.

[0007] As an improved solution of the present invention, the positioning module includes a positioning chip, the storage module includes a storage chip, the main control module includes a main control chip, and also includes a temperature and humidity detection chip and a switch detection circuit; the main control chip is used to regulate the positioning chip, the storage chip, the temperature and humidity detection chip and the switch detection circuit; wherein, the positioning chip is used for satellite communication and positioning, the storage chip is used to receive and store the positioning data generated by the positioning chip, the temperature and humidity detection chip is used to detect the temperature and humidity of the environment, and the switch detection circuit is used to detect whether the electronic seal is opened.

[0008] As an improved solution of the present invention, the temperature and humidity detection chip includes a first detection signal pin and a second detection signal pin that are connected to the first detection receiving pin and the second detection receiving pin of the main control chip; after the temperature and humidity detection chip detects the temperature and humidity of the environment, the detection information is sent to the main control chip through the first detection signal pin and the second detection signal pin.

[0009] As an improved solution of the present invention, the RFID tag chip includes a first transmission pin and a second transmission pin, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor and a transistor, the first transmission pin is coupled to the first end of the first resistor, the second transmission pin is coupled to the first end of the third resistor, the second end of the first resistor and the first end of the second resistor are coupled to a power supply, the second end of the second resistor and the second end of the third resistor are coupled to the first end of the fourth resistor; the emitter of the transistor is coupled to the power module, the base is coupled to the second end of the fourth resistor, the collector is connected to the first end of the fifth resistor, and the first receiving pin of the main control chip is connected to the second end of the fifth resistor R10; the RFID tag chip communicates with the main control chip through the first transmission pin and the second transmission pin and performs data transmission.

[0010] As an improved solution of the present invention, the switch detection circuit includes a first switch detection pin and a second switch detection pin, and the first switch detection pin and the second switch detection pin are respectively connected to the first switch enable pin of the main control chip; the main control chip determines the state of the electronic seal according to the on-off signal of the switch detection circuit.

[0011] As an improved solution of the present invention, the storage chip includes a first storage transmission pin and a second storage transmission pin, and the first storage transmission pin and the second storage transmission pin are connected to the first positioning storage information pin and the second positioning storage information pin of the main control chip; the storage chip communicates with the main control chip through the first storage transmission pin and the second storage transmission pin and stores the positioning data generated by the positioning chip.

[0012] As an improved solution of the present invention, it also includes a first LED indicator light and a second LED indicator light, one end of the first LED indicator light and the second LED indicator light are connected to the battery, and the other end is respectively connected to the first light control pin and the second light control pin of the main control chip; the main control chip controls the LED indicator lights to switch to different light colors according to the on-off state of the switch detection circuit.

[0013] The beneficial effects of the present invention are as follows: compared with the prior art, the present invention provides an electronic seal that transmits a large amount of positioning data based on RFID technology, mainly applies RFID technology to electronic seals, and combines GPS and / or Beidou positioning and navigation technology to locate and track equipment and items using the seals, and record the route from the starting point to the end point. However, since the memory space of the RFID tag chip itself is small, a large amount of data cannot be stored. The present invention ensures the storage of positioning data through the mode of external expansion memory area. Subsequently, during the use of the electronic seal, the positioning chip automatically receives satellite positioning data at a preset frequency every day and stores it in the external expansion storage space. Finally, a large amount of positioning data is innovatively transmitted from the storage chip to the external RFID reading terminal through the ultra-high frequency RFID tag chip, so that the electronic seal has the advantages of low overall power consumption, low production cost, and high endurance; a switch detection circuit and a temperature and humidity detection circuit are also provided, and the switch detection circuit is used to detect whether the electronic seal is cut open to prevent the goods from being maliciously stolen; the temperature and humidity detection circuit is used to judge the ambient temperature and humidity of the goods, to help transport the goods, and to play a predictive scene setting and auxiliary role during the transportation of the goods. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a module interaction diagram of the present invention; Figure 2 This is a schematic diagram of the main control chip circuit of the present invention; Figure 3 This is a schematic diagram of the positioning chip circuit of the present invention; Figure 4 This is a schematic diagram of the RFID tag chip circuit of the present invention; Figure 5 Schematic diagram of the switch detection circuit of the present invention Figure 6 is a schematic diagram of a signal light circuit of the present invention; Figure 7 It is a schematic diagram of the memory chip circuit of the present invention; Figure 8 It is a schematic diagram of the temperature and humidity detection chip circuit of the present invention.

[0015] The main component symbols are explained as follows: 1. RFID tag chip; 2. Main control module; 3. Storage module; 4. Positioning module; 5. Power module. DETAILED DESCRIPTION

[0016] In order to more clearly illustrate the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0017] In the following description, the example details are given to provide a deeper understanding of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. It should be understood that the specific embodiments are only used to explain the present invention and are not used to limit the present invention.

[0018] It should be understood that when the terms "include" and / or "comprises" are used in this specification, they indicate the existence of the stated features, integers, steps, operations, elements or components, but do not exclude the existence or addition of one or more other features, integers, steps, operations, elements, components or combinations thereof.

[0019] In order to meet the need for unique identity identification, the electronic seals in the existing technology require a large amount of transportation positioning data to ensure that the materials will not be stolen or lost. The mainstream positioning method on the market is to build a 4G / 5G transmission module into the electronic seal to transmit the seal's positioning data and monitoring status to the management platform through the network in real time. Although this mode can check the location of the electronic seal at any time, it also brings about prominent problems such as high cost, high power consumption, and short battery life. Therefore, there is an urgent need for a reasonable electronic seal to solve the above-mentioned technical problems.

[0020] See also Figure 1-Figure 8 The electronic seal of the present invention for transmitting a large amount of positioning data based on RFID technology comprises: It includes a positioning module 4, a storage module 3, a main control module 2, an RFID tag chip 1 and a power module 5; the positioning module 4 is used to locate the position of the lead seal and generate positioning data information; the storage module 3 is used to receive the positioning data information, store the positioning information in the memory, and generate positioning storage information; the main control module 2 is used to receive the positioning storage information, and the main control module 2 transmits the position information read from the storage module 3 through the RFID technology and generates a transmission signal; the RFID tag chip 1 receives the transmission signal, transmits the position information read by the main control module 2 through the RFID technology, and sends it to the user's external RFID reading terminal; the power module 5 is used to provide power to the positioning module 4, the storage module 3, the main control module 2 and the RFID tag chip 1.

[0021] Among them, the main control module, as the core control part of the electronic seal, connects to the storage module, positioning module, RFID tag chip, power module and other functional modules to realize data transmission between modules and various command signal control; when the external RFID reading terminal reads the electronic seal information, the RFID tag chip and the external RFID reading terminal are successfully identified and paired, and the main control module controls the RFID tag chip to transmit the positioning information in the storage module to the external RFID reading terminal.

[0022] The present invention utilizes RFID wireless transmission technology to solve the problems of high cost and high power consumption in the electronic seal industry. Compared with the current mainstream electronic seals, although it has a 4G / 5G wireless transmission module that can transmit and monitor the information of the electronic seals in real time, a large-capacity battery is also required in terms of battery life to ensure the normal operation of the electronic seals. Even if a large-capacity battery is provided to improve the battery life, it is difficult to ensure that it can work from the starting point to the end point in long-distance logistics transportation with a long transportation cycle. The present invention uses a monitoring method for setting the positioning frequency every day, presets the daily positioning collection frequency of the positioning module, and transmits the positioning information to the storage module. When the goods arrive at a certain node, the external RFID reading terminal reads the positioning information in the storage module based on the RFID tag chip without using a wireless network, saving network traffic costs and reducing production costs.

[0023] During the transportation of goods, the positioning module of the electronic seal performs positioning and collection according to the set collection frequency until the goods are delivered. During this period, the positioning information collected by the positioning module cannot be directly stored in the RFID tag chip due to the small capacity of the RFID chip. Therefore, an external storage module is set to store a large amount of positioning information recorded by the positioning module in the storage module. The user can arbitrarily set the daily positioning frequency and positioning time of the electronic seal. The fixed collection frequency can reduce the power consumption of the electronic seal. For example, at two sharp times of 9 a.m. and 9 p.m., the positioning chip communicates with the satellite to locate the position of the seal at two times. After that, the positioning module goes into sleep mode and waits for the wake-up signal of the main control chip at the next moment. This ensures that the electronic seal can store the positioning information and also makes the electronic seal have the characteristics of long battery life and low power consumption. Since the present invention adopts ultra-high frequency RFID wireless communication, the transmission speed is relatively fast, so the overall power consumption and battery life can achieve better results.

[0024] In this embodiment, the present invention performs wireless communication by setting an RFID ultra-high frequency tag chip, and the positioning module uses GPS and / or Beidou positioning and navigation technology to navigate and track the position of the electronic seal. When the electronic seal reaches a certain node, the positioning information is read by an external RFID reading terminal. The external RFID reading terminal realizes ultra-high frequency wireless communication transmission based on the RFID ultra-high frequency tag chip to read the positioning information in the storage chip. The present invention abandons the traditional method of real-time monitoring and positioning of electronic seals, and uses the electronic seal to collect positioning information at a fixed frequency every day, and when the electronic seal reaches the end point, the positioning information is read once by the external RFID reading terminal, so that the electronic seal has the advantages of low power consumption and long battery life; specifically, it also includes a storage chip U7, the main control chip U1 is connected to the first storage transmission pin and the second storage transmission pin (corresponding to pin 1 and pin 2 of the storage chip U7) of the storage chip U7 through the first positioning storage information pin and the second positioning storage information pin (corresponding to pin 33 and pin 32 of the main control chip U1); the main control chip U1 transmits the positioning data collected by the storage positioning chip U4 to the storage chip U7 through the first positioning storage information pin and the second positioning storage information pin. Since the positioning data is recorded in large quantities for a long time, the amount of positioning data will be very large, and the storage space of the RFID tag chip itself cannot support the storage of a large amount of positioning data. Therefore, the present invention increases the storage chip responsible for storing the positioning data and expands the storage space to achieve the advantage of large data storage.

[0025] In this embodiment, the main control chip U1 of the present invention is connected to the first positioning detection pin and the second positioning detection pin (corresponding to pin 2 and pin 3 of the positioning chip U4) of the positioning chip U4 through the first positioning data information pin and the second positioning data information pin (corresponding to pin 14 and pin 13 of the main control chip U1); the current position of the electronic seal can be collected through the positioning chip, and the collection frequency of the positioning chip can be set by itself. The specific positioning system used can be a high-precision positioning system in the existing technology such as the GPS positioning system and / or the Beidou positioning system.

[0026] In this embodiment, the main control chip U1 is connected to the first detection signal pin and the second detection signal pin (corresponding to pin 1 and pin 4 of the temperature and humidity detection chip U8) of the temperature and humidity detection chip U8 through the first detection receiving pin and the second detection receiving pin (corresponding to pin 27 and pin 28 of the main control chip U1). Since the electronic seal will be exposed to the environment for a long time, when the goods need to be kept in a low-temperature cold chain for a long time or need to be prevented from being in a high-temperature environment, the temperature and humidity indicators in the environment can be detected through the temperature and humidity detection chip U8, which plays a predictive scene setting and auxiliary role in the transportation of goods.

[0027] In this embodiment, when the electronic tag is maliciously damaged and cut, the situation can be detected through the switch detection circuit, which includes a first switch detection pin and a second switch detection pin. The first switch detection pin and the second switch detection pin (corresponding to pins P14 and P15 of the switch detection circuit) are connected to the switch detection signal pin of the main control chip U1 (corresponding to pin 12 of the main control chip U1). When the circuit of the switch detection circuit is disconnected, the main control chip U1 does not receive the high and low level current signals of the switch detection circuit, and it is determined that the electronic seal is abnormal, and the main control module automatically records the alarm information; it also includes The first LED indicator and the second LED indicator, one end of the first LED indicator and the second LED indicator are connected to the battery V33, and the other ends are respectively connected to the first light control pin and the second light control pin of the main control chip (corresponding to pin 39 and pin 38 of the main control chip U1); the main control chip controls the LED indicator to switch different light colors according to the on-off state of the switch detection circuit. When the circuit of the switch detection circuit is disconnected, the main control chip sends an alarm signal and wakes up the LED indicator of the electronic seal, which changes from green to red, indicating that the electronic seal is abnormal, preventing the goods from being stolen or maliciously damaged, and improving the logistics security.

[0028] In this embodiment, the RFID tag chip U6 includes a first transmission pin and a second transmission pin (corresponding to pins 6 and 7 of the RFID tag chip U6), and also includes a first resistor R3, a second resistor R1, a third resistor R19, a fourth resistor R7, a fifth resistor R10 and a transistor Q11; wherein the first transmission pin is coupled to the first end of the first resistor R3, the second transmission pin is coupled to the first end of the third resistor R19, the second end of the first resistor R3, the second end of the second resistor R1, the second end of the third resistor R19 and the first end of the fourth resistor R7 are coupled to the first receiving pin of the main control chip U1 (corresponding to pin 12 of the main control chip U1); the emitter of the transistor Q11 is coupled to the power module, the base is coupled to the second end of the fourth resistor R7, the collector is connected to the first end of the fifth resistor R10, and the first receiving pin of the main control chip U1 (corresponding to pin 11 of the main control chip U1) is connected to the second end of the fifth resistor R10; the main control chip U1 wakes up the RFID tag chip U6 through the first receiving pin and performs data transmission communication. The present invention adopts FM13UC08 ultra-high frequency dual-interface RFID channel chip as RFID tag chip U6. It should have I2C and SPI dual interfaces, ultra-reliable, fast data writing and reading functions, and expand tag reading capabilities. Distance, especially in the field of disposable electronic seals has better advantages.

[0029] Of course, the FM13UC08 UHF dual-interface RFID channel chip used in the present invention is only a chip As long as you have an RFID tag chip with I2C and SPI dual interfaces as the signal transmission channel, you can transmit a large number of positioning signal forms. The solutions for forming the motion trajectory of each stage all fall within the protection scope of the present invention patent and are a simplification of the technical solution of the present invention. Single replacement.

[0030] The advantages of the present invention are: 1) The product as a whole performs global positioning of the electronic seal based on the Beidou positioning and / or GPS positioning of the positioning module, and collects the location of the electronic seal path according to the set collection frequency. At the same time, an external expansion storage area is set up to store a large amount of positioning data. The external RFID reading terminal reads a large amount of positioning data in the storage chip through the ultra-high frequency RFID tag chip 2) The positioning chip collects the current location of the electronic seal at a fixed frequency every day. When the electronic seal reaches a certain node or end point, the positioning information saved in the storage chip is read once again, making the overall power consumption of the electronic seal low, the production cost low and the battery life long.

[0031] 3) A switch detection circuit and LED light are set up for alarm to detect whether the electronic seal has been cut open to prevent the goods from being stolen maliciously.

[0032] 4) A temperature and humidity detection circuit is set up to determine the ambient temperature and humidity of the goods, to help with the transportation of the goods, and to play a predictive scene setting and auxiliary role in the transportation of the goods.

[0033] The above disclosures are only several specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. An electronic seal for transmitting a large amount of positioning data based on RFID technology, characterized in that: It includes a positioning module, a storage module, a main control module, an RFID tag chip and a power module; the positioning module is used to locate the position of the lead seal and generate positioning data information; the storage module is used to receive the positioning data information, store the positioning information in the memory, and generate positioning storage information; the main control module is used to receive the positioning storage information, and the position information read by the main control module from the storage module is transmitted through the RFID tag chip and a transmission signal is generated; the RFID tag chip is used to receive the transmission signal, transmit the position information read by the main control module through the RFID tag chip, and send it to the user's external RFID reading terminal; the power module is used to provide power to the positioning module, the storage module, the main control module, and the RFID tag chip; When the external RFID reading terminal reads the electronic seal information, after the RFID tag chip is successfully identified and paired with the external RFID reading terminal, the main control module controls the RFID tag chip to transmit the positioning information in the storage module to the external RFID reading terminal.

2. The electronic seal for transmitting a large amount of positioning data based on RFID technology according to claim 1 is characterized in that: The positioning module includes a positioning chip, the storage module includes a storage chip, the main control module includes a main control chip, and also includes a temperature and humidity detection chip and a switch detection circuit; the main control chip is used to regulate the positioning chip, the storage chip, the temperature and humidity detection chip and the switch detection circuit; wherein, the positioning chip is used to communicate with the satellite for positioning, the storage chip is used to receive and store the positioning data generated by the positioning chip, the temperature and humidity detection chip is used to detect the temperature and humidity of the environment, and the switch detection circuit is used to detect whether the electronic seal is opened.

3. The electronic seal for transmitting a large amount of positioning data based on RFID technology according to claim 2 is characterized in that: The temperature and humidity detection chip includes a first detection signal pin and a second detection signal pin which are connected to a first detection receiving pin and a second detection receiving pin of the main control chip; after the temperature and humidity detection chip detects the temperature and humidity of the environment, the detection information is sent to the main control chip through the first detection signal pin and the second detection signal pin.

4. The electronic seal for transmitting a large amount of positioning data based on RFID technology according to claim 2 is characterized in that: The RFID tag chip includes a first transmission pin and a second transmission pin, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor and a transistor, wherein the first transmission pin is coupled to the first end of the first resistor, the second transmission pin is coupled to the first end of the third resistor, the second end of the first resistor and the first end of the second resistor are coupled to a power supply, the second end of the second resistor and the second end of the third resistor are coupled to the first end of the fourth resistor; the emitter of the transistor is coupled to the power module, the base is coupled to the second end of the fourth resistor, the collector is coupled to the first end of the fifth resistor, and the first receiving pin of the main control chip is coupled to the second end of the fifth resistor R10; the RFID tag chip communicates with the main control chip through the first transmission pin and the second transmission pin and performs data transmission.

5. The electronic seal for transmitting a large amount of positioning data based on RFID technology according to claim 2 is characterized in that: The switch detection circuit includes a first switch detection pin and a second switch detection pin, wherein the first switch detection pin and the second switch detection pin are respectively connected to the first switch enable pin of the main control chip; the main control chip determines the state of the electronic seal according to the on-off signal of the switch detection circuit.

6. The electronic seal for transmitting a large amount of positioning data based on RFID technology according to claim 2, characterized in that: The storage chip comprises a first storage transmission pin and a second storage transmission pin, wherein the first storage transmission pin and the second storage transmission pin are connected to a first positioning storage information pin and a second positioning storage information pin of the main control chip; The storage chip communicates with the main control chip through the first storage transmission pin and the second storage transmission pin and stores the positioning data generated by the positioning chip.

7. The electronic seal for transmitting a large amount of positioning data based on RFID technology according to claim 5, characterized in that: It also includes a first LED indicator light and a second LED indicator light, one end of the first LED indicator light and the second LED indicator light are connected to a battery, and the other end are respectively connected to a first light control pin and a second light control pin of the main control chip; the main control chip controls the LED indicator lights to switch to different light colors according to the on-off state of the switch detection circuit.

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