A kind of embedded hidden passive NFC induction chip, system and application

Abstract

The application discloses an embedded hidden passive NFC induction chip, a system and application thereof, and comprises a passive NFC induction chip, a micro induction antenna is fixedly installed in the passive NFC induction chip, and an embedded encapsulation protection layer is laid on the outer side of the passive NFC induction chip; the embedded encapsulation protection layer comprises a waterproof sealing layer and an epoxy resin layer; the application adopts an embedded hidden integrated structure, the passive NFC induction chip is ultrathin and miniaturized, is completely embedded in the product, has no exposed protrusion, does not change the original appearance, counterweight, hand feeling and structural strength of the product, and gives consideration to the product appearance and use comfort, and is suitable for the installation requirements of various integrated forming products; the passive NFC induction chip does not need a battery and an external power supply, relies on NFC radio frequency induction to independently take power and work, completely gives up the power supply dependence of a traditional active NFC structure, has ultralow power consumption, is free of maintenance, has an extremely low failure rate, and greatly reduces product modification and use cost.

Description

Technical Field

[0001] This invention relates to the field of NFC sensing chip technology, specifically to an embedded, hidden passive NFC sensing chip, system, and application. Background Technology

[0002] NFC sensing chips are core components of smart cards based on near-field communication technology. They exchange data through high-frequency electromagnetic waves, enabling identity verification, payment, or information reading without physical contact. Their encapsulated casing not only enhances durability but also optimizes signal stability by shielding against external interference, making them suitable for high-frequency use scenarios. These chips are commonly found in keyboards, mice, headphones, speakers, badminton rackets, badminton shuttlecocks, basketballs, beach rackets, tennis rackets, headphones, in-ear headphones, and other fields requiring rapid verification. Their technological maturity and reliability have been verified through large-scale applications.

[0003] However, traditional NFC sensing chips have the following drawbacks: While the intelligence level of existing smart peripherals such as keyboards, mice, headphones, speakers, and various sports equipment such as rackets and balls is gradually improving, there is a lack of lightweight, power-free, and hidden intelligent identification solutions. Traditional NFC sensing chips, which are externally placed on the outside of the device, will damage the unibody structure of the product, reduce the product's durability and aesthetics, and make it difficult to meet the needs of lightweight, integrated, and maintenance-free intelligent upgrades. Summary of the Invention

[0004] The purpose of this invention is to provide an embedded, hidden passive NFC sensing chip, system, and application to address the issues raised in the background art. These issues include the increasing intelligence of existing smart peripherals such as keyboards, mice, headphones, speakers, and various sports equipment (including rackets and balls), but the lack of lightweight, power-free, and hidden intelligent identification solutions. Traditional NFC sensing chips, placed externally on the device, disrupt the product's integrated structure, reducing durability and aesthetics, and failing to meet the demands for lightweight, integrated, and maintenance-free intelligent upgrades.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an embedded, hidden passive NFC sensing chip, comprising a passive NFC sensing chip, The passive NFC sensing chip has a miniature sensing antenna fixedly installed inside, and an embedded encapsulation protective layer is laid on the outside of the passive NFC sensing chip. The embedded encapsulation protective layer includes a waterproof sealing layer and an epoxy resin layer, with the outer side of the waterproof sealing layer fixedly connected to the inner side of the epoxy resin layer.

[0006] As a further technical solution of the present invention, the inner side of the waterproof sealing layer is fixedly connected to the passive NFC sensing chip.

[0007] An embedded, hidden passive NFC sensing chip system includes a passive NFC sensing system. The passive NFC sensing system includes a passive NFC sensing chip, a terminal NFC read / write module, a data cloud management platform, and a smart adapter terminal. The terminal NFC read / write module is integrated into mobile phones, computers, and smart terminal devices. It is used to transmit radio frequency signals at close range to provide working power for the passive NFC sensing chip, and at the same time read and write data inside the chip to complete device identification and parameter adaptation. The cloud-based data management platform is used to synchronously store product traceability data, user usage data, and equipment fault records, and supports product authenticity verification, after-sales traceability, and personalized parameter synchronization to the cloud. The intelligent adapter terminal receives chip data transmitted by the terminal's NFC read / write module and automatically completes device pairing, function debugging, and mode switching based on the stored product parameters, without the need for manual settings, thus achieving intelligent adaptive adaptation.

[0008] As a further technical solution of the present invention, the passive NFC sensing chip is provided with an energy harvesting module, a data storage module and a radio frequency interaction module. The energy harvesting module is used to harvest the energy of radio frequency electromagnetic waves emitted by external NFC reading and writing devices, convert the wireless signal into working power, and provide power support for the chip's instantaneous operation; The data storage module permanently stores product model, production batch, equipment adaptation parameters, authenticity information, and bound user data content, supporting multiple read / write operations and encrypted data storage. The radio frequency interaction module is used to complete near-field data interaction with external NFC terminal devices, enabling device identification, parameter matching, data reading and writing operations.

[0009] As a further technical solution of the present invention, the data cloud management platform is connected to the intelligent adaptive terminal network.

[0010] As a further technical solution of the present invention, the energy harvesting module is electrically connected to the miniature inductive antenna.

[0011] An application of an embedded, hidden passive NFC sensing chip system, wherein the passive NFC sensing chip is used in smart electronics or in sports equipment.

[0012] As a further technical solution of the present invention, the application to smart electronics specifically refers to: S1 Keyboard and Mouse Applications: The passive NFC sensing chip is embedded inside the keyboard shell, the mouse bottom shell layer, or the motherboard mounting position. When in use, the smart adapter terminal quickly identifies the device model through NFC sensing, automatically matches the driver, customizes the button functions, mouse sensitivity, and lighting mode parameters, and realizes the device can be connected immediately without driver installation. At the same time, it stores the unique identifier of the device to prevent peripherals from being misused, and supports device usage record traceability and after-sales management. S2, Over-ear and In-ear Headphones: The passive NFC sensing chip is embedded inside the earphone cavity and in the built-in layer of the earphone stem, completely hidden without any protrusion. It enables quick sensing and pairing with mobile phones and computer devices, and automatically restores the user's preset volume, noise cancellation mode, and sound effect parameters. At the same time, it stores the authenticity information of the device and the factory parameters, supports the authentication of authenticity, and is also bound to the user account to realize the cloud synchronization of personalized parameters of the headphones. There is no need to repeatedly adjust when switching devices. S3, headphones, speakers, and enclosures: The passive NFC sensing chip is embedded in the internal cavity of the speaker housing, without damaging the sound structure or appearance. It quickly completes pairing and connection between the audio device and the playback terminal through NFC sensing, automatically adapting the sound effect mode, sound field parameters, and volume threshold. At the same time, it records the device's factory information and firmware version, supports device firmware identification and after-sales traceability, and quickly distinguishes the device identity in multiple device scenarios to achieve accurate connection.

[0013] As a further technical solution of the present invention, the application to sports equipment specifically refers to: S1 Badminton rackets, tennis rackets, beach rackets: An ultra-thin passive NFC sensing chip is embedded in the racket handle layer and the frame's internal cavity, without affecting the racket's weight distribution, resilience, or grip. The chip contains racket model, material parameters, batch number, and authenticity information, allowing for quick product verification and traceability via mobile NFC. It also binds to the user's sports account, recording racket usage frequency and sports scenario data, and is compatible with professional sports equipment management, facilitating sports data statistics and equipment maintenance management. S2, badminton, basketball: The passive NFC sensing chip is embedded in the inner layer of the ball and is waterproof and sealed to adapt to the environment of ball compression and impact. It stores product brand, model and production traceability information to realize genuine product identification; at the same time, it binds a user's exclusive identifier to avoid the misuse of sports equipment. It is suitable for venue equipment management and unified registration of campus sports equipment to realize intelligent management of equipment.

[0014] Compared with the prior art, the beneficial effects of the present invention are: 1. The entire device adopts an embedded, hidden, integrated structure. The passive NFC sensing chip is ultra-thin and miniaturized, completely embedded inside the product without any exposed protrusions. It does not change the original shape, weight, feel, or structural strength of the product, taking into account both the product's aesthetics and user comfort, and is compatible with the installation requirements of various integrated molded products. 2. The passive NFC sensing chip requires no battery or external power supply. It operates by autonomously drawing power from NFC radio frequency sensing, completely eliminating the power dependence of traditional active NFC structures. It features ultra-low power consumption, maintenance-free operation, and extremely low failure rate, significantly reducing product modification and usage costs. Attached Figure Description

[0015] Figure 1 This is a perspective view of the passive NFC sensing chip of the present invention; Figure 2 This is a side view of the passive NFC sensing chip of the present invention; Figure 3 This is a side view of the embedded encapsulation protective layer of the present invention; Figure 4 This is a schematic diagram of the architecture of the passive NFC sensing system of the present invention; Figure 5 This is a schematic diagram of the architecture of the passive NFC sensing chip of the present invention; Figure 6 This is a schematic diagram of the architecture of the passive NFC sensing chip application of the present invention.

[0016] In the diagram: 1. Passive NFC sensing chip; 2. Miniature sensing antenna; 3. Embedded encapsulation protective layer; 31. Waterproof sealing layer; 32. Epoxy resin layer; 4. Passive NFC sensing system; 5. Terminal NFC read / write module; 6. Data cloud management platform; 7. Smart adapter terminal; 8. Energy harvesting module; 9. Data storage module; 10. Radio frequency interaction module. Detailed Implementation

[0017] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0018] Please see Figure 1-6 This invention provides an embedded, hidden passive NFC sensing chip, including a passive NFC sensing chip 1. A miniature induction antenna 2 is fixedly installed inside the passive NFC sensing chip 1, and an embedded encapsulation protective layer 3 is laid on the outside of the passive NFC sensing chip 1. The embedded encapsulation protective layer 3 includes a waterproof sealing layer 31 and an epoxy resin layer 32, with the outer side of the waterproof sealing layer 31 fixedly connected to the inner side of the epoxy resin layer 32.

[0019] The inner side of the waterproof sealing layer 31 is fixedly connected to the passive NFC sensing chip 1.

[0020] An embedded, hidden passive NFC sensing chip system includes a passive NFC sensing system 4. The passive NFC sensing system 4 includes a passive NFC sensing chip 1, a terminal NFC read / write module 5, a data cloud management platform 6, and a smart adapter terminal 7. The terminal NFC read / write module 5 is integrated inside mobile phones, computers, and smart terminal devices. It is used to transmit radio frequency signals at close range to provide working power for the passive NFC sensing chip 1, and at the same time read and write data inside the chip to complete device identification and parameter adaptation. The data cloud management platform 6 is used to synchronously store product traceability data, user usage data, and equipment fault records, and supports product authenticity verification, after-sales traceability, and personalized parameter cloud synchronization. The intelligent adapter terminal 7 is used to receive chip data transmitted by the terminal NFC read / write module 5. Based on the stored product parameters, it automatically completes device pairing, function debugging, and mode switching without manual settings, thus achieving intelligent adaptive adaptation.

[0021] The passive NFC sensing chip 1 includes an energy harvesting module 8, a data storage module 9, and a radio frequency interaction module 10. The energy harvesting module 8 is used to harvest the radio frequency electromagnetic wave energy emitted by external NFC reading and writing devices, convert the wireless signal into working power, and provide power support for the chip's instantaneous operation; The data storage module 9 permanently stores product model, production batch, equipment adaptation parameters, authenticity information, and bound user data content, supporting multiple read / write operations and encrypted data storage. The radio frequency interaction module 10 is used to complete near-field data interaction with external NFC terminal devices, and realize device identification, parameter matching, data reading and writing operations.

[0022] The data cloud management platform 6 is connected to the intelligent adapter terminal 7 via the network.

[0023] The energy harvesting module 8 is electrically connected to the miniature inductive antenna 2.

[0024] An application of an embedded, hidden passive NFC sensing chip system, wherein the passive NFC sensing chip 1 is used in smart electronics or in sports equipment.

[0025] Specifically, in smart electronics: S1. Keyboard and Mouse Applications: The passive NFC sensing chip 1 is embedded inside the keyboard shell, the mouse bottom shell layer, or the motherboard bonding position. When in use, the intelligent adapter terminal 7 quickly identifies the device model through NFC sensing, automatically matches the driver, customizable button functions, mouse sensitivity, and lighting mode parameters, and realizes the device can be connected immediately without driver installation. At the same time, it stores the unique identifier of the device to prevent peripherals from being misused and supports device usage record traceability and after-sales management. S2, Over-ear and In-ear Headphones: The passive NFC sensing chip 1 is embedded inside the earphone cavity and in the built-in layer of the earphone stem, completely hidden without protrusion, enabling quick sensing and pairing with mobile phones and computer devices, automatically restoring the user's preset volume, noise cancellation mode, and sound effect parameters; at the same time, it stores the authenticity information of the device and factory parameters, supports authenticity verification, and is also bound to the user account to realize personalized earphone parameters synchronized to the cloud, eliminating the need for repeated adjustments when switching devices; S3, Headphones, Speakers, and Audio Systems: The passive NFC sensing chip 1 is embedded in the internal cavity of the speaker housing, without damaging the sound structure or appearance. It quickly completes pairing and connection between the audio device and the playback terminal through NFC sensing, automatically adapting to sound effect modes, sound field parameters, and volume thresholds. At the same time, it records the device's factory information and firmware version, supports device firmware identification and after-sales traceability, and quickly distinguishes the device identity in multiple device scenarios to achieve accurate connection.

[0026] Specifically applied to sports equipment: S1 Badminton rackets, tennis rackets, beach rackets: An ultra-thin passive NFC sensing chip 1 is embedded in the racket handle layer and the racket frame's internal cavity, without affecting the racket's weight distribution, resilience, or grip. The chip contains racket model, material parameters, production batch, and authenticity information, allowing for quick product verification and traceability via mobile phone NFC. It also binds to the user's sports account, recording racket usage frequency and sports scenario data, and is compatible with professional sports equipment management, facilitating sports data statistics and equipment maintenance management. S2, Badminton, Basketball: The passive NFC sensing chip 1 is embedded in the inner layer of the ball and is waterproof and sealed to adapt to the environment of ball compression and impact. It stores product brand, model and production traceability information to realize genuine product identification; at the same time, it binds a user's exclusive identifier to avoid the misuse of sports equipment. It is suitable for venue equipment management and unified registration of campus sports equipment to realize intelligent management of equipment.

[0027] In this invention, the passive NFC sensing chip 1 adopts an ultra-thin miniaturized packaging design with a thickness of ≤0.3mm. The overall size is small and it is embedded in the product shell, interlayer, and internal cavity, completely hidden and not exposed. It does not change the original shape and size of the product or the grip and feel of use. The miniature sensing antenna 2 adopts a flexible circuit board integrated design and is integrated with the passive NFC sensing chip 1 to expand the near field sensing range, ensure near-distance sensing sensitivity, and avoid signal attenuation problems after embedded installation. The energy harvesting module 8 is electrically connected to the miniature induction antenna 2 and is used to harvest the radio frequency electromagnetic wave energy emitted by the external NFC reading and writing device. It converts the wireless signal into working power to provide power support for the instantaneous operation of the passive NFC sensing chip 1. No energy storage structure is required, realizing instantaneous sensing and instantaneous operation. The energy harvesting module 8 has an internal energy management circuit, which is integrated inside the passive NFC sensing chip 1 to stably regulate the voltage of the sensing power and avoid abnormal data interaction caused by voltage fluctuations. At the same time, the ultra-low power consumption design is suitable for embedded installation scenarios in various thin and light products. The data storage module 9 has a built-in unique device identification code, product parameter data, traceability information and custom adaptation data. It also stores the product model, production batch, device adaptation parameters, authenticity information and bound user data content. It supports multiple read and write operations and encrypted data storage. The radio frequency interaction module 10 is used to complete near-field data interaction with external NFC terminal devices to realize device identification, parameter matching, data reading and writing operations. The embedded encapsulation protective layer 3 adopts a high-strength, waterproof, corrosion-resistant, and high-low temperature resistant epoxy resin encapsulation structure, which completely encapsulates the passive NFC sensing chip 1 and the miniature sensing antenna 2 components. It has the characteristics of dustproof, waterproof, compression-resistant, and wear-resistant, and is suitable for the complex use environment of electronic peripherals and sports equipment. It can work stably for a long time without the risk of aging and falling off. The passive NFC sensing chip 1 is embedded in various terminal products as a data storage and sensing interaction carrier. It has no independent power supply, no external circuit, and is in silent standby mode. It only starts working momentarily when it senses an NFC read / write signal. The terminal NFC read / write module 5 is integrated inside mobile phones, computers, and smart terminal devices. It is used to transmit radio frequency signals at close range to provide working power for the passive NFC sensing chip 1, and at the same time read and write data inside the chip to complete device identification and parameter adaptation. The intelligent adapter terminal 7 is used to receive chip data transmitted by the terminal NFC read / write module 5, and automatically completes device pairing, function debugging, and mode switching according to the stored product parameters, without the need for manual settings, thus achieving intelligent adaptive adaptation. The data cloud management platform 6 is connected to the intelligent adapter terminal 7 via the network to synchronously store product traceability data, user usage data, and equipment fault records. It supports product authenticity verification, after-sales traceability, and personalized parameter cloud synchronization, realizing intelligent management throughout the entire lifecycle.

[0028] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An embedded, hidden passive NFC sensing chip, comprising a passive NFC sensing chip (1). Its features are: The passive NFC sensing chip (1) has a micro induction antenna (2) fixedly installed inside, and an embedded encapsulation protective layer (3) is laid on the outside of the passive NFC sensing chip (1). The embedded encapsulation protective layer (3) includes a waterproof sealing layer (31) and an epoxy resin layer (32), with the outer side of the waterproof sealing layer (31) fixedly connected to the inner side of the epoxy resin layer (32).

2. The embedded hidden passive NFC sensing chip according to claim 1, characterized in that: The inner side of the waterproof sealing layer (31) is fixedly connected to the passive NFC sensing chip (1).

3. An embedded hidden passive NFC sensing chip system according to any one of claims 1-2, comprising a passive NFC sensing system (4). Its features are: The passive NFC sensing system (4) includes a passive NFC sensing chip (1), a terminal NFC reading and writing module (5), a data cloud management platform (6), and a smart adapter terminal (7). The terminal NFC read / write module (5) is integrated inside mobile phones, computers, and smart terminal devices. It is used to transmit radio frequency signals at close range, provide working power for the passive NFC sensing chip (1), and read and write data inside the chip to complete device identification and parameter adaptation. The data cloud management platform (6) is used to synchronously store product traceability data, user usage data, and equipment fault records, and supports product authenticity query, after-sales traceability, and personalized parameter cloud synchronization. The intelligent adapter terminal (7) is used to receive chip data transmitted by the terminal NFC read / write module (5), and automatically completes device pairing, function debugging, and mode switching according to the stored product parameters, without the need for manual settings, thus realizing intelligent adaptive adaptation.

4. The embedded hidden passive NFC sensing chip system according to claim 3, characterized in that: The passive NFC sensing chip (1) is equipped with an energy harvesting module (8), a data storage module (9) and a radio frequency interaction module (10). The energy harvesting module (8) is used to harvest the radio frequency electromagnetic wave energy emitted by the external NFC reading and writing device, convert the wireless signal into working power, and provide power support for the chip to work instantaneously; The data storage module (9) stores the product model, production batch, equipment adaptation parameters, authenticity information, and bound user data content, and supports multiple read / write operations and encrypted data storage. The radio frequency interaction module (10) is used to complete near-field data interaction with external NFC terminal devices, and realize device identification, parameter matching, data reading and writing operations.

5. The embedded hidden passive NFC sensing chip system according to claim 3, characterized in that: The data cloud management platform (6) is connected to the intelligent adapter terminal (7) via the network.

6. The embedded hidden passive NFC sensing chip, system, and application according to claim 4, characterized in that: The energy harvesting module (8) is electrically connected to the miniature inductive antenna (2).

7. The application of an embedded hidden passive NFC sensing chip system according to any one of claims 1-6, characterized in that: The passive NFC sensing chip (1) is used in smart electronics or in sports equipment.

8. The application of the embedded hidden passive NFC sensing chip system according to claim 7, characterized in that: Specifically, its application in smart electronics is as follows: S1, Keyboard and Mouse Application: The passive NFC sensing chip (1) is embedded inside the keyboard shell, the mouse bottom shell layer or the motherboard bonding position. When in use, the intelligent adapter terminal (7) quickly identifies the device model through NFC sensing, automatically matches the driver, custom button functions, mouse sensitivity and lighting mode parameters, so as to realize the device can be connected immediately and installed without drivers; at the same time, it stores the unique identifier of the device to prevent the misuse of peripherals and supports the traceability of device usage records and after-sales management. S2, Headphones, In-ear Headphones: The passive NFC sensing chip (1) is embedded in the inside of the headphone cavity and in the built-in layer of the headphone stem. It is completely hidden without protrusion, enabling quick sensing and pairing of mobile phones and computer devices, and automatically restoring the user's preset volume, noise reduction mode, and sound effect parameters; at the same time, it stores the authenticity information of the device and the factory parameters, supports authenticity identification, and also binds the user account to realize the cloud synchronization of personalized headphone parameters, so that switching devices does not require repeated debugging; S3, Headphones, Speakers, Speakers: Passive NFC sensing chip (1) is embedded in the cavity of the speaker housing, without damaging the sound structure and appearance. It quickly completes the pairing and connection between the audio device and the playback terminal through NFC sensing, automatically adapts the sound effect mode, sound field parameters, and volume threshold; at the same time, it records the device's factory information and firmware version, supports device firmware identification and after-sales traceability, and can quickly distinguish the device identity in multiple device scenarios to achieve accurate connection.

9. The application of the embedded hidden passive NFC sensing chip system according to claim 7, characterized in that: Specifically, the application to sports equipment is as follows: S1. Badminton rackets, tennis rackets, beach rackets: An ultra-thin passive NFC sensing chip (1) is embedded in the racket handle layer and the racket frame cavity. This does not affect the racket's weight distribution, toughness, or grip feel. The chip contains racket model, material parameters, batch number, and authenticity information. Users can quickly check the product's authenticity and traceability information via their mobile phone's NFC. At the same time, it binds to the user's sports account, records racket usage frequency and sports scenario data, and is compatible with professional sports equipment management, assisting in sports data statistics and equipment maintenance management. S2, badminton, basketball: The passive NFC sensing chip (1) is embedded in the inner layer of the ball and is sealed in a waterproof way to adapt to the environment of ball compression and impact. It stores the product brand, model and production traceability information to realize genuine product identification. At the same time, it binds the user's exclusive identifier to avoid the mixing of sports equipment. It is suitable for venue equipment management and campus sports equipment unified registration scenarios to realize intelligent management of equipment.

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