A step-counting RFID tag

Abstract

The present invention discloses a step-counting RFID tag, which includes a housing. An installation space is provided inside the housing. A fixed plate is provided inside the installation space. A power storage mechanism for generating electricity by means of walking actions is provided on the fixed plate. A control circuit board connected by leads to the power storage mechanism is also provided in the installation space. The power storage mechanism includes a plurality of coils arranged in a circular array and fixed on the side surface of the fixed plate away from the control circuit board. By driving power generation through walking, it can not only meet its own consumption but also obtain the corresponding approximate number of steps based on the amount of generated electricity. It does not require an external power supply and is self-sufficient in electricity, being applicable to a step-counting environment with no power consumption.

Description

Technical Field

[0001] The present invention relates to the field of step-counting RFID tags, and particularly to a step-counting RFID tag. Background Art

[0002] RFID, namely Radio Frequency Identification, is a kind of automatic identification technology. It conducts non-contact two-way data communication through wireless radio frequency, and uses Radio Frequency the Electricity Electronic Tag way to read and write the recording medium (

[0003] or radio frequency card), so as to achieve the purpose of identifying the target and exchanging data. It is considered to be one of the most potential information technologies in the 21st century; Summary of the Invention

[0004] In order to overcome the defects in the above-mentioned prior art, the present invention provides a step-counting RFID tag, which can generate electricity by walking, can meet its own consumption, and can also obtain the corresponding approximate number of steps through the generated electricity. It does not require an external power supply, is self-sufficient, and is suitable for a step-counting environment without power consumption.

[0005] Technical Solution

[0006] A step-counting RFID tag includes a housing. An installation space is arranged inside the housing. A fixing plate is arranged inside the installation space. A energy storage mechanism for generating electricity by means of walking actions is arranged on the fixing plate. A control circuit board connected to the energy storage mechanism by leads is also arranged in the installation space.

[0007] Further, the energy storage mechanism includes a plurality of coils arranged in a circular array on the side of the fixing plate away from the control circuit board. A rotating shaft is arranged at the center of the fixing plate. A pendulum located on the side of the fixing plate away from the control circuit board is rotatably connected to the rotating shaft. A plurality of magnets are fixedly arranged on the pendulum. The coils are connected to the control circuit board by leads.

[0008] Further, a energy storage capacitor, an RFID counting circuit, and a power supply processing circuit are connected to the control circuit board. The power supply processing circuit rectifies the induced current generated by the energy storage mechanism and stores it in the energy storage capacitor, and the energy storage capacitor supplies power to the RFID counting circuit.

[0009] Further, the control circuit board is also provided with a central hole.

[0010] Further, when the energy storage capacitor stores electricity to a certain extent, it will output a continuous current to control the chip of the RFID counting circuit to change data.

[0011] Further, it further includes a reader-writer, which reads data from the chip of the RFID counting circuit and calculates the corresponding number of steps based on the data.

[0012] Further, the number of steps converted by the single discharge of the energy storage capacitor can be adjusted.

[0013] Advantageous Effects

[0014] Compared with the prior art, the present invention has the following advantageous effects: By driving power generation through walking, it can not only meet its own consumption, but also roughly calculate the corresponding number of steps based on the generated power. It does not require an external power supply and is self-sufficient, and is applicable to a step-counting environment without power consumption, such as step-counting of free-range animals and poultry in the family or mechanical vibration detection of equipment with low frequency and large amplitude. Brief Description of the Drawings

[0015] Figure 1 It is a schematic structural diagram of a step-counting RFID tag in the present invention;

[0016] Figure 2 For Figure 1 it is a schematic structural diagram in the A-A direction in

[0017] Figure 3 For Figure 1 it is a schematic structural diagram in the B-B direction in

[0018] Reference Numerals in the Drawings

[0019] Outer shell 1, installation space 2, control circuit board 3, fixing plate 4, energy storage capacitor 5, RFID counting circuit 6, power supply processing circuit 7, central hole 8, coil 9, magnet 10, pendulum 11, rotating shaft 12, energy storage mechanism 900. Detailed Embodiment

[0020] To better illustrate and explain the content of the present invention, the following will be described in conjunction with the drawings and embodiments:

[0021] As Figures 1 - 3 shown, the present invention discloses a step-counting RFID tag, including an outer shell 1. An installation space 2 is provided inside the outer shell 1. A fixing plate 4 is provided inside the installation space 2. The fixing plate 4 is provided with an energy storage mechanism 900 for generating electricity by means of walking actions. A control circuit board 3 connected by leads to the energy storage mechanism 900 is also provided inside the installation space 2.

[0022] Further, the energy storage mechanism 900 includes a plurality of coils 9 arranged in an annular array and fixed on the side of the fixed plate 4 away from the control circuit board 3. A rotating shaft 12 is provided at the center of the fixed plate 4. A pendulum 11 is rotatably connected to the rotating shaft 12 on the side of the fixed plate 4 away from the control circuit board 3. A plurality of magnets 10 are fixed on the pendulum 11. The coils 9 are connected to the control circuit board 3 by leads.

[0023] Further, a storage capacitor 5, an RFID counting circuit 6, and a power supply processing circuit 7 are connected to the control circuit board 3. The power supply processing circuit 7 rectifies the induced current generated by the energy storage mechanism 900 and stores it in the storage capacitor 5. The storage capacitor 5 supplies power to the RFID counting circuit 6.

[0024] Further, the control circuit board 3 is also provided with a central hole 8.

[0025] Further, when the storage capacitor 5 stores a certain amount of electricity, it will output a continuous current to control the chip of the RFID counting circuit 6 to change the data.

[0026] Further, it also includes a reader (not shown). The reader reads data from the chip of the RFID counting circuit 6 and calculates the corresponding number of steps based on the data.

[0027] Further, the number of steps converted by a single discharge of the storage capacitor 4 can be adjusted.

[0028] Further, the chip of the RFID counting circuit 6 can use a 925 MHz ultra-high frequency UHF chip or a 13.56 MHz high-frequency NFC chip.

[0029] Specifically, when in use, due to the swinging of the pendulum 11 caused by the walking action, the magnet 10 is driven to move. The movement of the magnet 10 will generate an induced current in the coil 9. The induced current generated by the coil 9 is rectified by the power supply processing circuit 7 and stored in the storage capacitor 5.

[0030] Therefore, there is a roughly fixed value for the amount of electricity generated by the swinging of the pendulum 11 caused by a single step.

[0031] Then, when the storage capacitor 5 stores a certain amount of electricity, it will trigger the RFID counting circuit 6 to change the old electricity data and save the new electricity data.

[0032] Then, the reader reads the latest electricity data, and based on the electricity generated by a single step, the total approximate number of steps can be calculated.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the technical solutions of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A step-counting RFID tag, characterized in that: It includes a housing (1). An installation space (2) is provided inside the housing (1). A fixing plate (4) is provided inside the installation space (2). A power storage mechanism (900) for generating electricity by means of walking actions is provided on the fixing plate (4). A control circuit board (3) which is connected by leads to the power storage mechanism (900) is also provided inside the installation space (2). The power storage mechanism (900) includes a number of coils (9) arranged in an annular array and fixed on the side surface of the fixing plate (4) away from the control circuit board (3). A rotating shaft (12) is provided at the center of the fixing plate (4). A pendulum (11) located on the side of the fixing plate (4) away from the control circuit board (3) is rotatably connected to the rotating shaft (12). A number of magnets (10) are fixed on the pendulum (11). The coils (9) are connected by leads to the control circuit board (3). A power storage capacitor (5), an RFID counting circuit (6), and a power processing circuit (7) are connected to the control circuit board (3). The power processing circuit (7) rectifies the induced current generated by the power storage mechanism (900) and stores it in the power storage capacitor (5). The power storage capacitor (5) supplies power to the RFID counting circuit (6). The control circuit board (3) is also provided with a central hole (8). When the power storage capacitor (5) stores electricity to a certain extent, it will output a continuous current to control the chip of the RFID counting circuit (6) to change data. It further includes a reader-writer which reads data from the chip of the RFID counting circuit (6) and calculates the corresponding number of walking steps according to the data. The number of steps converted by a single discharge of the power storage capacitor (5) can be adjusted. The chip of the RFID counting circuit (6) can use a 925 MHz ultra-high frequency UHF chip or a 13.56 MHz high frequency NFC chip.

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