CN213123040U

CN213123040U - NFC lock control chip based on wireless radio frequency technology

Info

Publication number: CN213123040U
Application number: CN202022423015.2U
Authority: CN
Inventors: 李琳; 赵世勇; 王鑫; 杨坤; 马忠华
Original assignee: Beijing Xinran Electric Power Technology Co ltd
Current assignee: Beijing Xinran Electric Power Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-05-04
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a NFC lock accuse chip of radio frequency technology, including the NFC chip, be provided with the NFC interface on the NFC chip, be provided with energy management module, energy storage module and NFC energy antenna on the NFC interface, one side of energy management module is provided with energy storage module and NFC energy antenna, and energy storage module is located one side of NFC energy antenna, and the output of NFC energy antenna is connected with energy management module's input electricity, and energy management module's output is connected with energy storage module's input electricity. The utility model discloses a wireless radio frequency technology's NFC lock accuse chip comes the energy that dynamic management was gathered through increasing energy management module, both can improve the energy received power of NFC interface greatly, still carries out storage management to these electric energies to the device that allows to have such NFC interface gathers more energies, and can outwards export more NFC energies, makes the NFC interface have more extensive usage.

Description

NFC lock control chip based on wireless radio frequency technology

Technical Field

The utility model relates to a NFC chip technical field specifically is a NFC lock accuse chip of radio frequency technology.

Background

Near Field Communication (NFC for short) is an emerging technology, devices (such as mobile phones) using the NFC technology can exchange data when they are close to each other, and is integrated and evolved from a non-contact Radio Frequency Identification (RFID) and an interconnection technology, and by integrating functions of an induction card reader, an induction card and point-to-point Communication on a single chip, applications such as mobile payment, electronic ticketing, door access, mobile identity identification, anti-counterfeiting and the like are realized by using a mobile terminal.

When the existing NFC lock control chip is used, the energy collected by the NFC energy antenna cannot be dynamically managed, so that the energy receiving power is low, more energy cannot be collected, and more energy cannot be output outwards.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a NFC lock control chip of radio frequency technology comes the energy that dynamic management was gathered through increasing energy management module, both can improve the energy received power of NFC interface greatly, still carry out storage management to these electric energies to the device that allows to have such NFC interface gathers more energies, and can outwards export more NFC energies, make the NFC interface have more extensive usage, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme:

the NFC lock control chip based on the wireless radio frequency technology comprises an NFC chip, wherein an NFC interface is arranged on the NFC chip, an energy management module, an energy storage module and an NFC energy antenna are arranged on the NFC interface, one side of the energy management module is provided with the energy storage module and the NFC energy antenna, the energy storage module is located on one side of the NFC energy antenna, the output end of the NFC energy antenna is electrically connected with the input end of the energy management module, and the output end of the energy management module is electrically connected with the input end of the energy storage module.

Preferably, the energy management module is provided with a storage module and a comparison module, an output end of the energy management module is respectively and electrically connected with input ends of the storage module and the energy storage module, output ends of the storage module and the energy storage module are respectively and electrically connected with an input end of the comparison module, and an output end of the comparison module is electrically connected with an input end of the energy management module.

Preferably, the storage module stores a first voltage threshold of the energy storage module.

Preferably, the energy management module is further provided with a driving module, an output end of the energy management module is electrically connected with an input end of the driving module, and an output end of the driving module is electrically connected with an input end of the energy storage module.

Preferably, the energy storage module is provided with an electric energy detection module, and an output end of the electric energy detection module is electrically connected with an input end of the comparison module.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a NFC lock control chip of wireless radio frequency technology, after NFC energy antenna gathers the electric energy, energy management module can charge the energy storage module according to the electric energy that NFC energy antenna gathered, simultaneously, carry out real-time detection to the energy storage module through the electric energy detection module, and feed back the result of detection to comparison module, compare the energy storage condition of the energy storage module that electric energy detection module real-time detection was through comparison module with the first voltage threshold value that stores in the storage module, if the voltage of the energy storage module that electric energy detection module real-time detection was less than the first voltage threshold value, energy management module transmits information to the drive module, cut off the charging to the energy storage module through the drive module, NFC lock control chip of wireless radio frequency technology, through increasing the energy management module to dynamic management the energy of gathering, both can improve the energy receiving power of NFC interface greatly, storage management is also performed on the electric energy, so that a device with the NFC interface can collect more energy and output more NFC energy outwards, and the NFC interface has wider application.

Drawings

Fig. 1 is a schematic diagram of an NFC lock control chip of the radio frequency technology of the present invention;

fig. 2 is a block diagram of an NFC lock control chip according to the present invention.

In the figure: 1. an NFC chip; 2. an NFC interface; 3. an energy management module; 31. a storage module; 32. a comparison module; 33. a drive module; 4. an energy storage module; 41. an electric energy detection module; 5. an NFC energy antenna.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, an NFC lock control chip based on a radio frequency technology includes an NFC chip 1, an NFC interface 2 is provided on the NFC chip 1, an energy management module 3 is provided on the NFC interface 2, an energy storage module 4 and an NFC energy antenna 5 are provided on one side of the energy management module 3, the energy storage module 4 is located on one side of the NFC energy antenna 5, an output end of the NFC energy antenna 5 is electrically connected with an input end of the energy management module 3, and an output end of the energy management module 3 is electrically connected with an input end of the energy storage module 4.

Referring to fig. 2, a storage module 31 and a comparison module 32 are disposed on the energy management module 3, the storage module 31 stores a first voltage threshold of the energy storage module 4, an output end of the energy management module 3 is electrically connected to input ends of the storage module 31 and the energy storage module 4, output ends of the storage module 31 and the energy storage module 4 are electrically connected to an input end of the comparison module 32, an output end of the comparison module 32 is electrically connected to an input end of the energy management module 3, a driving module 33 is further disposed on the energy management module 3, an output end of the energy management module 3 is electrically connected to an input end of the driving module 33, an output end of the driving module 33 is electrically connected to an input end of the energy storage module 4, an electric energy detection module 41 is disposed on the energy storage module 4, and an output end of the electric energy.

The working principle is as follows: after the NFC energy antenna 5 collects the electric energy, the energy management module 3 may charge the energy storage module 4 according to the electric energy collected by the NFC energy antenna 5, and at the same time, the energy storage module 4 is detected in real time by the electric energy detection module 41, and the detected result is fed back to the comparison module 32, the energy storage condition of the energy storage module 4 detected in real time by the electric energy detection module 41 is compared with the first voltage threshold stored in the storage module 31 by the comparison module 32, if the voltage of the energy storage module 4 detected in real time by the electric energy detection module 41 is lower than the first voltage threshold, the energy management module 3 transmits information to the driving module 33, the charging of the energy storage module 4 is cut off by the driving module 33, the NFC lock control chip of the wireless radio frequency technology dynamically manages the collected energy by adding the energy management module 3, which not only can greatly improve the energy receiving power of the NFC interface 2, storage management is also performed on the electric energy, so that a device with the NFC interface 2 collects more energy and can output more NFC energy outwards, and the NFC interface 2 has wider application.

To sum up, the NFC lock control chip of the wireless radio frequency technology of the present invention, after the NFC energy antenna 5 collects the electric energy, the energy management module 3 can charge the energy storage module 4 according to the electric energy collected by the NFC energy antenna 5, and at the same time, the energy storage module 4 is detected in real time by the electric energy detection module 41, and the detected result is fed back to the comparison module 32, the stored energy condition of the energy storage module 4 detected in real time by the electric energy detection module 41 is compared with the first voltage threshold stored in the storage module 31 by the comparison module 32, if the voltage of the energy storage module 4 detected in real time by the electric energy detection module 41 is lower than the first voltage threshold, the energy management module 3 transmits information to the driving module 33, the charging of the energy storage module 4 is cut off by the driving module 33, the NFC lock control chip of the wireless radio frequency technology dynamically manages the collected energy by adding the energy management module 3, both can improve the energy received power of NFC interface 2 greatly, still carry out storage management to these electric energy to allow the device that has such NFC interface 2 to gather more energy, and can outwards export more NFC energy, make NFC interface 2 have more extensive usage.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a NFC lock accuse chip of radio frequency technology, includes NFC chip (1), its characterized in that: the NFC energy management system is characterized in that an NFC interface (2) is arranged on the NFC chip (1), an energy management module (3), an energy storage module (4) and an NFC energy antenna (5) are arranged on the NFC interface (2), the energy storage module (4) and the NFC energy antenna (5) are arranged on one side of the energy management module (3), the output end of the NFC energy antenna (5) is electrically connected with the input end of the energy management module (3), and the output end of the energy management module (3) is electrically connected with the input end of the energy storage module (4).

2. The NFC lock control chip based on the radio frequency technology of claim 1, wherein: the energy management module (3) is provided with a storage module (31) and a comparison module (32), the output end of the energy management module (3) is respectively and electrically connected with the input ends of the storage module (31) and the energy storage module (4), the output ends of the storage module (31) and the energy storage module (4) are respectively and electrically connected with the input end of the comparison module (32), and the output end of the comparison module (32) is electrically connected with the input end of the energy management module (3).

3. The NFC lock control chip based on the radio frequency technology of claim 2, wherein: the storage module (31) stores a first voltage threshold of the energy storage module (4).

4. The NFC lock control chip based on the radio frequency technology of claim 1, wherein: the energy management module (3) is further provided with a driving module (33), the output end of the energy management module (3) is electrically connected with the input end of the driving module (33), and the output end of the driving module (33) is electrically connected with the input end of the energy storage module (4).

5. The NFC lock control chip based on the radio frequency technology of claim 1, wherein: the energy storage module (4) is provided with an electric energy detection module (41), and the output end of the electric energy detection module (41) is electrically connected with the input end of the comparison module (32).