CN214623667U

CN214623667U - Card reading device

Info

Publication number: CN214623667U
Application number: CN202120583957.9U
Authority: CN
Inventors: 陈晨
Original assignee: Zhejiang Dahua Technology Co Ltd
Current assignee: Zhejiang Dahua Technology Co Ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-05
Anticipated expiration: 2031-03-22

Abstract

An embodiment of the utility model provides a card reading device, include: the radio frequency unit is used for acquiring N first card information of the N first cards through the induction coil; the antenna is used for acquiring second card information of a second card; the communication unit is used for determining a communication protocol of the first card and a communication protocol of the second card; and the control unit is connected with the radio frequency unit, the antenna and the communication unit, and is used for acquiring N pieces of first card information and second card information, reading N pieces of first cards according to the communication protocols of the N pieces of first cards and the N pieces of first card information, and reading second cards according to the communication protocols of the second cards and the second card information. Through the utility model discloses, the problem of unable discernment polytype card among the correlation technique has been solved, reaches the effect of discerning polytype card in a card reading device.

Description

Card reading device

Technical Field

The embodiment of the utility model provides a relate to the communication field, particularly, relate to a card reading device.

Background

In the Card reading device in the prior art, only an Identification IC Card (Integrated Circuit Card) and an RFID Card (Radio Frequency Identification, Radio Frequency Card with battery autonomous transmission) are supported, and an ID Card (Identification Card) cannot be identified, or only the Identification IC and the ID Card are supported, so that remote Card reading cannot be realized, and the problem of non-contact Card swiping cannot be solved.

In view of the above technical problems, no effective solution has been proposed in the related art.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a card reading device to at least, solve the problem of the multiple type card of unable discernment among the correlation technique.

According to the utility model discloses an embodiment provides a card reading device, include: the radio frequency unit is used for acquiring N first card information of N first cards through an induction coil, wherein N is a natural number greater than 1, and the frequencies of the N first cards are different; the antenna is used for acquiring second card information of a second card; a communication unit for determining a communication protocol of the first card and a communication protocol of the second card; and a control unit connected to the rf unit, the antenna, and the communication unit, and configured to acquire the N pieces of first card information and the N pieces of second card information, read the N pieces of first cards according to the communication protocol of the N pieces of first cards and the N pieces of first card information, and read the second card according to the communication protocol of the second card and the second card information.

In an exemplary embodiment, the radio frequency unit includes: the first transmitting unit is used for continuously transmitting a pulse wave modulation signal with the frequency of 125K; the first induction coil is connected with the first transmitting unit and used for inducing a waveform signal of an identification card in the N first cards based on the pulse wave modulation signal; and the first receiving unit is connected with the first induction coil and used for receiving the waveform signal and decoding the waveform signal so as to decode the card information of the identification card from the waveform signal.

In an exemplary embodiment, the radio frequency unit includes: a second induction coil for inducing the waveform signal of the integrated circuit card in the N first cards; and the card reading chip is connected with the second induction coil and used for reading the card information of the integrated circuit card from the waveform signal of the integrated circuit card.

In an exemplary embodiment, the radio frequency unit includes: the third induction coil is used for inducing the waveform signals of the CPU cards in the N first cards; the point-of-sale terminal safety access module PSAM card is connected with the CPU card and is used for acquiring the waveform signal of the CPU card; and the card reading chip is connected with the PSAM card and is used for acquiring the waveform signal of the CPU card from the PSAM card so as to read the card information of the CPU card from the waveform signal of the CPU card.

In an exemplary embodiment, the antenna is connected to the radio frequency RFID card in the second card, and is configured to obtain card number information of the radio frequency RFID card.

In an exemplary embodiment, the control unit is configured to acquire the electromagnetic wave of the RFID card from the antenna, so as to demodulate the card information of the RFID card from the electromagnetic wave.

Through the utility model discloses, because including in the card reading device: the radio frequency unit is used for acquiring N first card information of the N first cards through the induction coil, wherein N is a natural number greater than 1, and the frequencies of the N first cards are different; the antenna is used for acquiring second card information of a second card; the communication unit is used for determining a communication protocol of the first card and a communication protocol of the second card; and the control unit is connected with the radio frequency unit, the antenna and the communication unit, and is used for acquiring N pieces of first card information and second card information, reading N pieces of first cards according to the communication protocols of the N pieces of first cards and the N pieces of first card information, and reading second cards according to the communication protocols of the second cards and the second card information. The purpose of integrating multiple types of cards is achieved. Therefore, the problem that various types of cards cannot be identified in the related art can be solved, and the effect of identifying various types of cards in one card reading device is achieved.

Drawings

Fig. 1 is an overall schematic diagram of a tri-band card reading apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a 125K card reader according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a card reading device of an IC and a CPU according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an RFID card reading device according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a multi-band card reading function according to an embodiment of the present invention.

Detailed Description

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings in conjunction with the embodiments.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

According to the utility model discloses an embodiment provides a card reading device, include:

the radio frequency unit is used for acquiring N first card information of the N first cards through the induction coil, wherein N is a natural number greater than 1, and the frequencies of the N first cards are different;

the antenna is used for acquiring second card information of a second card;

the communication unit is used for determining a communication protocol of the first card and a communication protocol of the second card;

and the control unit is connected with the radio frequency unit, the antenna and the communication unit, and is used for acquiring N pieces of first card information and second card information, reading N pieces of first cards according to the communication protocols of the N pieces of first cards and the N pieces of first card information, and reading second cards according to the communication protocols of the second cards and the second card information.

The embodiment includes but is not limited to be applied to a scene needing card reading, for example, an entrance guard card reader can be installed in a scene needing identity recognition, such as an enterprise, a community, a cell, and the like.

In the present embodiment, the N first cards include, but are not limited to, cards requiring close-range identification, such as IC cards and ID cards. The second card includes, but is not limited to, a remotely identifiable card, such as an RFID card.

In one exemplary embodiment, the radio frequency unit includes:

the first transmitting unit is used for continuously transmitting a pulse wave modulation signal with the frequency of 125K;

the first induction coil is connected with the first transmitting unit and used for inducing a waveform signal of an identity identification card in the N first cards based on the pulse wave modulation signal;

and the first receiving unit is connected with the first induction coil and used for receiving the waveform signal and decoding the waveform signal so as to decode the card information of the identity identification card from the waveform signal.

In one exemplary embodiment, the radio frequency unit includes:

the second induction coil is used for inducing the waveform signals of the integrated circuit card in the N first cards;

and the card reading chip is connected with the second induction coil and is used for reading the card information of the integrated circuit card from the waveform signal of the integrated circuit card.

In one exemplary embodiment, the radio frequency unit includes:

the third induction coil is used for inducing waveform signals of the Central Processing Unit (CPU) card in the N first cards;

the point-of-sale terminal safety access module PSAM card is connected with the CPU card and is used for acquiring the waveform signal of the CPU card;

and the card reading chip is connected with the PSAM card and is used for acquiring the waveform signal of the CPU card from the PSAM card so as to read the card information of the CPU card from the waveform signal of the CPU card.

In one exemplary embodiment, the antenna is connected with the radio frequency RFID card in the second card and used for acquiring card number information of the radio frequency RFID card.

In an exemplary embodiment, the control unit is used for acquiring electromagnetic waves of the RFID card from the antenna so as to demodulate card information of the RFID card from the electromagnetic waves;

the present invention will be described in detail with reference to the accompanying drawings:

as shown in fig. 1, the overall schematic diagram of the tri-band card reading device in this embodiment is mainly composed of a control unit, a radio frequency unit, and a communication unit. The radio frequency unit comprises a 125K card reading module, a 13.56M card reading module and corresponding induction coils, and the control unit is integrated with a 2.4G radio frequency circuit, so that only an external antenna 1 is needed; the communication unit consists of a 485 communication interface and a wiegand interface. The PSAM module completes the verification function of the CPU card and is matched with the 13.56M card reading module to realize the card reading function of the CPU.

As shown in fig. 2, which is a schematic diagram of a 125K card reading device in this embodiment, the ID card reading function is composed of a 125K transmitting unit, a 125K receiving unit and an induction coil, the 125K transmitting circuit continuously transmits Pulse Wave Modulation (PWM) with 125K frequency, a wave signal, the 125K receiving unit receives a manchester encoded waveform and decodes the waveform, and when an ID card enters into the range of the induction coil, the card number information can be obtained.

As shown in fig. 3, which is a schematic diagram of a card reading device of an IC and a CPU in this embodiment, the implementation of the IC card reading function is composed of a 13.56M card reading chip and an induction coil 1, and the implementation of the CPU card reading function is composed of a 13.56M card reading chip, a PSAM card and an induction coil 1, so that the CPU card reading is only performed by adding a PSAM card on the basis of an IC, and when an IC or a CPU card enters the range of the induction coil 1, the card number information of the IC card or the IC card can be obtained.

As shown in fig. 4, which is a schematic diagram of the RFID card reading device in this embodiment, the implementation of the RFID card reading function is composed of a main control unit and a coil 2, the RFID card periodically sends card number information, and the main control unit obtains electromagnetic waves through an antenna 1 and obtains the card number information of the RFID card after being demodulated by hardware. The integrated 2.4G radio frequency peripheral hardware of master control unit, therefore this scheme is compared other patents, has lacked the radio frequency module, has reduced the complete machine cost.

As shown in fig. 5, which is a schematic diagram of the multi-band card reading function in the present embodiment, the IC, CPU, and ID card can only be identified in a short distance for technical reasons, so that the housing preferably identifies the card reading area. ID induction coil and IC induction coil are great to need the headroom all around, if divide alone open, equipment can't accomplish exquisitely, this proposal only need sign one region of punching the card, has realized both can punch the ID card, can punch the function of IC card again. The positions of the induction coil 1 and the induction coil 2 are reasonably arranged in the structural layout, and the induction coils are preferably arranged in parallel, so that the coil 2 is minimally influenced by the coil 1; in software design, a polling mechanism is adopted, when the IC card is in a card swiping area, the output of the ID antenna is closed, the IC card is continuously read, and when the ID card is in the card swiping area, the IC antenna is closed, and the ID card is continuously read. The active RFID antenna is located above, the FPC 2.4G antenna is adopted, and the identification distance is 0-10 m adjustable, so that the non-inductive passing is realized, for example, in an electric vehicle scene, a user does not need to get off to punch a card.

In summary, in the present embodiment, 13.56M, 125K, 2.4G antennas are integrated, so that the gate inhibition card reader device can support ID, IC, CPU, and active RFID card identification. And the function of swiping ID, IC and CPU cards in the same card swiping area can be realized. The integrated 2.4G antenna can display card swiping records and parameter configuration in real time through a mobile phone. The card reader enables different types of cards to be integrated, solves the problem of mutual interference of multiple frequency bands, can be connected with the card reader through a mobile phone to display information or configure the same card swiping area according to the parameters of the card reader, and achieves the function of swiping ID, IC and CPU cards.

It will be apparent to those skilled in the art that the modules or steps of the present invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, they may be implemented by program code executable by a computing device, and thus, may be stored in a memory device and executed by a computing device, and in some cases, the steps shown or described may be performed in a different order than that shown or described herein, or may be separately fabricated into individual integrated circuit modules, or may be fabricated with multiple modules or steps into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A card reading device, comprising:

the radio frequency unit is used for acquiring N first card information of N first cards through an induction coil, wherein N is a natural number greater than 1, and the frequencies of the N first cards are different;

the antenna is used for acquiring second card information of a second card;

a communication unit for determining a communication protocol of the first card and a communication protocol of the second card;

and the control unit is connected with the radio frequency unit, the antenna and the communication unit, and is used for acquiring the N pieces of first card information and the N pieces of second card information, reading the N pieces of first cards according to the communication protocols of the N pieces of first cards and the N pieces of first card information, and reading the second card according to the communication protocols of the second card and the second card information.

2. The apparatus of claim 1, wherein the radio frequency unit comprises:

and the first receiving unit is connected with the first induction coil and used for receiving the waveform signal and decoding the waveform signal so as to decode the card information of the identity card from the waveform signal.

3. The apparatus of claim 1, wherein the radio frequency unit comprises:

the second induction coil is used for inducing the waveform signal of the integrated circuit card in the N first cards;

and the card reading chip is connected with the second induction coil and used for reading the card information of the integrated circuit card from the waveform signal of the integrated circuit card.

4. The apparatus of claim 1, wherein the radio frequency unit comprises:

the third induction coil is used for inducing waveform signals of a Central Processing Unit (CPU) card in the N first cards;

the point-of-sale terminal security access module PSAM card is connected with the CPU card and is used for acquiring a waveform signal of the CPU card;

5. The apparatus of claim 1, wherein:

the antenna is connected with the radio frequency RFID card in the second card and is used for acquiring the card number information of the radio frequency RFID card.

6. The apparatus of claim 5, wherein:

the control unit is used for acquiring the electromagnetic wave of the RFID card from the antenna so as to demodulate the card information of the RFID card from the electromagnetic wave.