CN219105496U

CN219105496U - System integration equipment based on non-contact IC card

Info

Publication number: CN219105496U
Application number: CN202220762214.2U
Authority: CN
Inventors: 张超
Original assignee: Jiangsu Lightning Monkey Intelligent Technology Co ltd
Current assignee: Jiangsu Lightning Monkey Intelligent Technology Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2023-05-30
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a system integration device based on a non-contact type IC card, which comprises a communication module, a voltage reduction chip, an RS interface, a control chip, an IO interface, a radio frequency acquisition module, a buzzer and LED circuit, a radio frequency sensor module and external equipment, wherein the voltage reduction chip is electrically connected with the control chip and is used for reducing the voltage of an external power supply for the control chip to work; the communication module is electrically connected with the control chip and is used for transmitting useful information of the control chip to external equipment. The utility model relates to the technical field of IC cards; the system integrated equipment based on the non-contact IC card avoids various faults caused by contact reading and writing, and the reading and writing operation of the IC card can be completed by lightly touching the non-contact card swiping device, so that no special requirement is required for the angle of the IC card, and the IC card is not required to be inserted for identification. The card can pass through the surface of the card reader in any direction, and the speed of each use can be greatly improved.

Description

System integration equipment based on non-contact IC card

Technical Field

The utility model relates to the technical field of IC cards, in particular to a system integration device based on a non-contact IC card.

Background

The IC card is an integrated circuit card, and the IC card chip has the capability of writing data and storing data, and can determine the content in the IC card memory. The IC card has the characteristics of small volume, convenient carrying, large storage capacity, high reliability, long service life, strong confidentiality, high safety and the like, and has the advantages of strong confidentiality and high safety, the IC card itself has hardware safety arrangement, the read-write characteristics of certain areas in the IC card can be controlled, and if decryption is attempted, the areas are self-locked, so that the read-write operation can not be performed. The non-contact IC card system is a product of combining the advanced radio frequency technology and the IC card technology in the current world, is a new technology recently developed in the world, and has convenient operation and high safety.

In the prior art, the IC card adopts a contact type card swiping mode, and the existing card swiping device can only supply power in a wide voltage range, and meanwhile, various faults of the card swiping device are easy to occur due to the contact type card swiping mode.

To this end, the present utility model provides a system integration apparatus based on a noncontact IC card to solve the above-described problems.

Disclosure of Invention

The utility model provides a system integration device based on a non-contact IC card, which solves the problems.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a system integration equipment based on non-contact IC card, includes communication module, step down chip, RS interface, control chip, IO interface, radio frequency acquisition module, buzzer and LED circuit, radio frequency sensor module and external equipment, its characterized in that: the voltage reducing chip is electrically connected with the control chip and is used for reducing the voltage of an external power supply by the voltage reducing chip so as to enable the control chip to work; the communication module is electrically connected with the control chip and is used for transmitting useful information of the control chip to external equipment; the radio frequency acquisition module is connected with the control chip through an IO interface and is used for transmitting acquired signals and controlling signals; the radio frequency sensor module is electrically connected with the radio frequency acquisition module, and transmits sensed information to the radio frequency acquisition module; the external device is electrically connected with the control chip and displays signals sent by the control chip.

Preferably, 232 automatic transceiver circuits are arranged at the RS interface.

Preferably, a DC-DC voltage reducing circuit is adopted around the voltage reducing chip.

Preferably, the radio frequency circuits at the radio frequency acquisition module and the radio frequency sensor module adopt RC523 chips.

Advantageous effects

The utility model provides a system integration device based on a non-contact IC card. Compared with the prior art, the method has the following beneficial effects:

(1) The system integrated equipment based on the non-contact IC card has strong system application expansibility in various comprehensive applications such as attendance check-in, entrance guard control, public transportation, dining room dining, water, electricity and gas recharging, portable handheld equipment, various member systems and the like. The method solves the two major problems of passive and non-contact, is a breakthrough in the field of electronic devices, and avoids the faults caused by contact card swiping.

(2) The system integrated equipment based on the non-contact IC card is a non-contact card reader module with wide application, integrates various non-contact communication modes and protocols under 13.56MHz, has high technical integration level, can support 5-24V wide-voltage power supply, and adopts a radio frequency mode to perform non-contact bidirectional communication so as to achieve the aim of automatic identification and data acquisition. Unlike conventional magnetic cards and IC cards, RFID technology solves both passive and contactless problems, and it can also realize moving object recognition, multi-object recognition.

Drawings

FIG. 1 is a schematic diagram of a modular connection of the present utility model;

FIG. 2 is a circuit diagram of the buck chip of the present utility model;

fig. 3 is a circuit diagram of the buzzer in the present utility model;

FIG. 4 is a circuit diagram of the LED of the present utility model;

FIG. 5 is a circuit diagram of the control chip of the present utility model;

FIG. 6 is a circuit diagram of the RS232 interface of the present utility model;

fig. 7 is a circuit diagram of a radio frequency circuit in the present utility model.

100, a communication module; 101. a buck chip; 102. an RS232 interface; 103. a control chip; 104. an IO interface; 105. a radio frequency acquisition module; 106. a buzzer and an LED circuit; 107. a radio frequency sensor module.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1-4, a system integration device based on a non-contact IC card includes a communication module, a buck chip, an RS interface, a control chip, an IO interface, a radio frequency acquisition module, a buzzer and LED circuit, a radio frequency sensor module and an external device, and is characterized in that: the voltage reducing chip is electrically connected with the control chip and is used for reducing the voltage of an external power supply by the voltage reducing chip so as to enable the control chip to work; the communication module is electrically connected with the control chip and is used for transmitting useful information of the control chip to external equipment; the radio frequency acquisition module is connected with the control chip through an IO interface and is used for transmitting acquired signals and controlling signals; the radio frequency sensor module is electrically connected with the radio frequency acquisition module, and transmits sensed information to the radio frequency acquisition module; the external equipment is electrically connected with the control chip, displays signals sent by the control chip, and has strong system application expansibility in various comprehensive applications such as attendance check-in, access control, public transportation, dining room dining, water, electricity and gas recharging, portable handheld equipment, various member systems and the like. The utility model relates to a widely applied non-contact card reader module, which integrates a plurality of non-contact communication modes and protocols under 13.56MHz, has very high technical integration level, can support 5-24V wide voltage power supply, and adopts a radio frequency mode to carry out non-contact bidirectional communication so as to achieve automatic identification target acquisition data. Different from the traditional magnetic card and IC card, the RFID technology solves two problems of passive and non-contact, and can realize moving object identification and multi-object identification;

the RS interface is provided with 232 automatic receiving and transmitting circuits: the RS-232 standard interface is one of the common serial communication interface standards, the 232 adopts a serial transmission mode, and the TTL level of the microcomputer is converted into the RS-232C level, and the transmission distance can reach 30m generally;

and a DC-DC voltage reduction circuit is adopted around the voltage reduction chip: the method has the advantages that the change of the load step can be quickly reflected, the low-side current is detected, the minimum conduction time is small, the duty ratio can be lower, and slope compensation is not needed;

the radio frequency circuits at the radio frequency acquisition module and the radio frequency sensor module adopt RC523 chips.

And all that is not described in detail in this specification is well known to those skilled in the art.

When the wireless communication device works, the voltage of 5-24V is reduced to 3V3 (3.3V voltage) through the voltage reduction chip 101, the voltage is provided for the control chip 103, the signal is initialized, the buzzer can perform a 'dripping' sounding, the control chip 103103 module works normally, meanwhile, preliminary connection is established for the radio frequency chip RC523 of the radio frequency sensor module 107, when an ISO1443A/B card is close to a peripheral coil, magnetic field induction is generated, the RC523 generates magnetic field resonance through a filter capacitor and an inductor according to the law of the right hand of the coil, whether the current frequency is 13.56MHZ or not is matched, if matching is successful, the information of the card can be successfully obtained, the radio frequency acquisition module 105 module converts an analog signal into a digital signal, so that the information is transmitted to the control chip 103 module for analysis through an SPI bus, after the useful information of the card is obtained, the TTL level of the control chip 103 is converted into a level signal of 232+15V-15V through the RS232 interface 102 module, and the data analysis or display is performed on external communication equipment.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a system integration equipment based on non-contact IC card, includes communication module (100), step down chip (101), RS232 interface (102), control chip (103), IO interface (104), radio frequency acquisition module (105), buzzer and LED circuit (106), radio frequency sensor module (107) and external equipment, its characterized in that: the voltage reducing chip (101) is electrically connected with the control chip (103) and is used for reducing the voltage of an external power supply by the voltage reducing chip (101) so as to enable the control chip (103) to work; the communication module (100) is electrically connected with the control chip (103) and is used for transmitting useful information of the control chip (103) to external equipment by the communication module (100); the radio frequency acquisition module (105) is connected with the control chip (103) through the IO interface (104) and is used for transmitting and controlling acquired signals by the radio frequency acquisition module (105); the radio frequency sensor module (107) is electrically connected with the radio frequency acquisition module (105), and the radio frequency sensor module (107) transmits sensed information to the radio frequency acquisition module (105); the external device is electrically connected with the control chip (103) and displays signals sent by the control chip (103).

2. A system integration apparatus based on a noncontact IC card as claimed in claim 1, wherein: and a 232 automatic receiving and transmitting circuit is arranged at the RS232 interface (102).

3. A system integration apparatus based on a noncontact IC card as claimed in claim 1, wherein: and a DC-DC voltage reducing circuit is adopted around the voltage reducing chip (101).

4. A system integration apparatus based on a noncontact IC card as claimed in claim 1, wherein: the radio frequency circuits at the radio frequency acquisition module (105) and the radio frequency sensor module (107) adopt RC523 chips.