CN201242751Y - Low power consumption control device for non-contact IC card reader-writer - Google Patents

Low power consumption control device for non-contact IC card reader-writer Download PDF

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Publication number
CN201242751Y
CN201242751Y CNU2008200501240U CN200820050124U CN201242751Y CN 201242751 Y CN201242751 Y CN 201242751Y CN U2008200501240 U CNU2008200501240 U CN U2008200501240U CN 200820050124 U CN200820050124 U CN 200820050124U CN 201242751 Y CN201242751 Y CN 201242751Y
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China
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reader
writer
control unit
reading
cpu
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CNU2008200501240U
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Chinese (zh)
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何枝铭
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广东天波信息技术有限公司
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Abstract

The utility model discloses a low power consumption control device for a non-contact type IC card reader-writer, which comprises a CUP, and a reader-writer and an antenna plate which are mutually connected; wherein, a control unit is arranged in the CPU, and a reading-writing unit is arranged in the reader-writer; the control unit is used for detecting whether the reading-writing unit sends a read-write request or not and controlling the reader-writer to enter into a working or dormant state according to the detection results. The CPU controls the non-contact type radiofrequency IC card reader-writer into the dormant state or the card-reading working state, thus ensuring that the radiofrequency circuit of reader-writer is unnecessary to be in the working state at all times, only when reading a card, the CPU controls the reader-writer to be in the working state and in the dormant state when the card-reading is finished; therefore the time of card-reading working state is reduced, the power consumption is saved, and the purpose of saving power is reached.

Description

非接触式ic卡读写器低功耗控制装置 Non-contact type card reader ic low power control apparatus

技术领域 FIELD

本实用新型涉及到一种基于从电话线取电、固网接入终端、采用电池供电 The present invention relates to battery power to take power based on, the access terminal from a fixed telephone line, using

的终端非接触式ic卡读写器低功耗控制装置。 Terminal non-contact card reader ic low power control apparatus.

背景技术 Background technique

非接触式射频IC卡与传统的接触式IC卡、磁卡相比,是利用射频识别技术(mdio frequncy identification)开发的非接触式识别装置,无论在系统寿命、防监听、防解密等性能上都具有很大的优势,因此非接触式IC卡读写器可 Non-contact type IC card and a conventional RF contactless IC card, compared with magnetic cards, contactless identification device is developed using radio frequency identification technology (mdio frequncy identification), are both in the life of the system, monitor anti, anti decryption performance a great advantage, and therefore a non-contact IC card reader may be

加速取代接触式读写器。 Acceleration substituted contact reader. 在使用过程中,非接触式ic卡读写器的天线利用电感 During use, the non-contact type card reader ic antenna using inductive

耦合产生磁通,磁通用来向IC卡提供电源,并且在两者间传输数据,由于非接触式IC卡读写器不断发射无线电波,因此存在一个问题,即功耗比接触式IC 卡读写器要大,不利于节电节能,供电要求低功耗的场合有障碍,限制了其推广应用。 Coupled to generate a magnetic flux, the magnetic flux is used to provide power to the IC card, and data is transferred between the two, since the non-contact IC card reader continuously emits radio waves, there is a problem that power consumption than the contact IC card reading writer should be large, it is not conducive to saving energy, power requirements and low power consumption where there is an obstacle, limiting its application.

发明内容 SUMMARY

本实用新型的目的在于克服现有技术中非接触式IC卡读写器功耗大的技术问题,提供一种读写器可通过间隔式读卡以降低供电消耗非接触式IC卡读写器 The present invention aims to overcome great prior art non-contact type IC card reader power technical problem, the reader may be provided a card reader through the spacer in order to reduce power consumption of the noncontact IC card reader

低功耗控制装置。 Low power control apparatus.

为实现以上目的,本实用新型采取了以下的技术方案: 一种非接触式IC卡 To achieve the above object, the present invention adopts the following technical solution: a non-contact type IC card

读写器低功耗控制装置,包括有CPU、相互连接的读写器和天线板,所述CPU内设置有控制单元,所述读写器内设置有读写单元;所述控制单元检测所述读写单元是否发出读写请求,并根据检测结果控制所述读写器进入工作或休眠状态。 Reader low power control apparatus including a CPU, connected to each other and the reader antenna plate, said CPU is provided with a control unit, said reader is provided with a reading and writing unit; wherein the control unit detects the said reading and writing unit whether to issue read and write requests, and controls the reader into the work or sleep state based on detection results.

所述CPU内还设置有与控制单元电连接的检测单元,该检测单元用于检测CPU有无接收到所述读写单元发出的读写请求,当收到读写请求后,所述检测单元发出信号给控制单元,控制单元根据该检测信号进行读卡、通信的工作,工作结束,所述读写器进入休眠状态;当检测单元未检测到读写单元的读写请求时,控制单元控制读写器直接进入休眠状态。 The detecting unit is further provided with a control unit electrically connected to the internal CPU, the detection means for detecting the presence or absence of CPU receives read and write requests issued by the reader unit, after receiving the write request when the detecting unit sends a signal to the control unit, the control unit performs signal detection based on the work card, a communication end of the work, the reader enters a sleep state; when the detecting means does not detect a write request for reading and writing unit, the control unit controls reader directly into hibernation.

本实用新型的工作原理:CPU控制非接式射频IC卡读写模块从休眠状态中被唤醒后进行读卡工作状态,如果有卡或有通信请求,就进行读卡、通信等正 Working principle of the present invention: CPU CONTROL RF contactless IC card reader module reader operating state after wakeup from a sleep state, if the card or the communication request, a card swipe, communication n

常工作状态的工作过程,工作结束就进入休眠;如果无卡,就直接进入休眠状态,通过间隔式读卡降低供电消耗。 Normal operating condition of the working process, the end of the work is going to sleep; if no card directly into the dormant state, reducing power consumption by a spacer card reader.

本实用新型与现有技术相比,具有如下优点:CPU控制控制非接触式射频IC卡读写器处于休眠状态或读卡工作状态,使得读写器的射频电路不需要时刻处于工作状态,CPU只在读卡时,去控制让读卡器处于工作状态,读卡结束控制读卡器处于休眠状态,减少读卡工作状态的时间,从而节约了供电消耗,达到了省电的目的;另一方面由于现有的集非接触、固话呼入呼出于一体的固网接入终端读写器功耗过大的问题,通过增加电源来保证终端正常的工作状态,因此低功耗问题的解决,将给安装维护带来极大的便利,且能有效降低产品安装维护成本(如工料费等的支出费用),很好地满足电信运营商的需求,有着广泛而巨大的市场和应用前景。 Present invention compared with the prior art, it has the following advantages: CPU CONTROL noncontacting RF IC card reader in a sleep state or the operating state of the reader, the reader such that the RF circuit need not be always in the operating state, the CPU only when the reader, so that a reader is to control the working state, the end of the reader controls the card reader in the sleep state, the operating state of the reader to reduce the time, thus saving power consumption and achieve power saving purposes; on the other hand Since the conventional non-contact set, fixed in one of the inbound and outbound access terminal reader fixed the problem of excessive power consumption, by increasing the terminal power supply to ensure the normal operation state, thus solving the problem of low power consumption, installation and maintenance will bring great convenience, can effectively reduce product installation and maintenance costs (such as fees and expenses of quantity), good to meet the needs of telecom operators, has a wide range of markets and applications and great prospects.

附图说明 BRIEF DESCRIPTION

图1为本实用新型系统框图; Figure 1 is a block diagram of the system invention;

图2为CPU与读写器信号走向示意图; CPU 2 is a schematic view of the signal path with the reader;

图3为读写器电路原理图。 FIG 3 is a circuit diagram of the reader.

具体实施方式 Detailed ways

下面结合附图和具体实施方式对本实用新型的内容做进一步详细说明。 Next, the contents of the present invention is described in further detail in conjunction with accompanying drawings and specific embodiments. 实施例: Example:

请参阅图1,图2所示, 一种非接触式IC卡读写器低功耗控制装置,包括有CPU、相互连接的读写器和天线板。 Please refer to FIG. 1, FIG. 2 A contactless IC card reader non-low power control apparatus including a CPU, and each reader antenna boards.

CPU内设置有控制单元,读写器内设置有读写单元;控制单元检测读写单元是否发出读写请求,并根据检测结果控制所述读写器进入工作或休眠状态。 The CPU is provided with a control unit, the reader is provided with a reading and writing unit; write unit the control unit detects whether to issue read and write requests, and controls the reader into the work or sleep state based on detection results.

在CPU内还设置有与控制单元电连接的检测单元,该检测单元用于检测CPU 有无接收到读写单元发出的读写请求,当收到读写请求后,检测单元发出信号给控制单元,控制单元根据该检测信号进行读卡、通信的工作,工作结束,读写器进入休眠状态;当检测单元未检测到读写单元的读写请求时,控制单元根据检测单元发出的检测信号,控制读写器直接进入休眠状态。 CPU is also provided in the detecting unit is electrically connected to the control unit, detecting means for detecting the presence or absence of CPU receives read and write requests issued by the reading and writing unit, when the read or write request is received, the detection unit sends a signal to the control unit , the control unit operates the reader, the communication based on the detected signal, the end of the work, the reader enters a sleep state; detecting means does not detect when the read and write requests reading and writing unit, the control unit issues a detection signal according to the detection means, controlling the reader directly into hibernation. 本实施例结合图3所示的非接触式IC卡读写器电路硬件模块,图3中U1是非接触式读卡器主控制芯片,其中标号为SS02、 SCLK、 DATA1、 RSPD、 CSFM是与CPU 相连接的控制总线;标号为Rxl、 Txll, TGND, Tx22为天线与该读写器之间的接□。 Non-contact IC card reader circuit module of this embodiment in conjunction with the hardware shown in FIG. 3, FIG. 3 is a non-contact reader U1 main control chip, wherein reference numeral SS02, SCLK, DATA1, RSPD, CSFM with CPU connected to a control bus; designated Rxl, Txll, TGND, Tx22 □ is connected between the antenna and the reader.

图3中RSPD信号线是控制读写器射频模块工作或处于低功耗(不工作)的控制线, 一般在正常工作状态下,射频模块需要的工作电流为:50〜70mA,而CPU工作时不会时时刻刻去访问射频模块,只是在需要时去访问,因此在射频模块中设置了两个工作时间,其中T1时间为15毫秒(射频模块工作时间),T2时间为285 毫秒(射频模块不工作时间),这时整个射频模块的功耗为:(50〜70mA) * 15 / 300二(2.5〜3.5 mA),大大降低了射频模块的功效。 FIG. 3 is a control signal line RSPD reader or a radio frequency module works in a low-power (inoperative) control lines, generally under normal operating conditions, the RF module required operating current: 50~70mA, while the CPU is operating RF module to access does not always, but when required to access, thus working time set up two radio frequency module, wherein the time T1 is 15 milliseconds (RF modules working time), T2 time is 285 milliseconds (RF modules off time), power consumption of the entire RF module case is: (50~70mA) * 15/300 two (2.5~3.5 mA), greatly reducing the effectiveness of the RF module.

上列详细说明是针对本实用新型可行实施例的具体说明,该实施例并非用以限制本实用新型的专利范围,凡未脱离本实用新型所为的等效实施或变更, 均应包含于本案的专利范围中。 The above detailed description is specifically for the present invention possible embodiments, the embodiments are not intended to limit the patent scope of the present invention and which do not departing from the present invention is equivalent to the embodiment or variations could be made in the case patents range.

Claims (2)

1、一种非接触式IC卡读写器低功耗控制装置,包括有CPU、相互连接的读写器和天线板,其特征在于:所述CPU内设置有控制单元,所述读写器内设置有读写单元;所述控制单元检测所述读写单元是否发出读写请求,并根据检测结果控制所述读写器进入工作或休眠状态。 A contactless IC card reader non-low power control apparatus including a CPU, a mutual plate reader and antenna connection, wherein: said CPU is provided with the control unit, the reader the unit is provided with a reader; the control unit of the reader unit detects whether to issue read and write requests, and controls the reader into the work or sleep state based on detection results.
2、 如权利要求1所述的非接触式IC卡读写器低功耗控制装置,其特征在于:所述CPU内还设置有与控制单元电连接的检测单元,该检测单元用于检测CPU有无接收到所述读写单元发出的读写请求,当收到读写请求后,所述检测单元发出信号给控制单元,控制单元根据该检测信号进行读卡、通信的工作,工作结束,读写器进入休眠状态;当检测单元未检测到读写单元的读写请求时,控制单元控制读写器直接进入休眠状态。 2. The non-contact IC card reader low power control apparatus according to claim 1, wherein: said detecting means is further provided with a control unit electrically connected to the CPU, the detection means for detecting a CPU Have receives read and write requests issued by the reader unit, after receiving the write request when the detecting means sends a signal to the control unit, the control unit operates the reader, the communication based on the detected signal, the end of the work, reader enter a sleep state; when the detecting means does not detect a write request for reading and writing unit, the control unit controls the reader directly into hibernation.
CNU2008200501240U 2008-07-02 2008-07-02 Low power consumption control device for non-contact IC card reader-writer CN201242751Y (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102163270A (en) * 2010-02-19 2011-08-24 松下电工株式会社 Ic card reader
CN102256341A (en) * 2010-05-19 2011-11-23 王海泉 Method for reducing power consumption of high-frequency wireless smart card
CN101739578B (en) * 2009-12-30 2012-07-25 河南新天科技股份有限公司 Three-key portable IC (integrated circuit) card read-write device
CN102799839A (en) * 2011-05-23 2012-11-28 成都阿艾夫通信有限公司 Method for synchronous awakening communication of active RFID (Radio Frequency Identification Devices) system
CN104239833A (en) * 2013-06-19 2014-12-24 北京同方微电子有限公司 Low-power-consumption card reader and using method thereof
CN105426941A (en) * 2015-12-21 2016-03-23 深圳市科陆电子科技股份有限公司 Work control method for RFID reader
CN105531729A (en) * 2013-09-18 2016-04-27 索尼公司 Information processing device, information processing system, information processing method, and program

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101739578B (en) * 2009-12-30 2012-07-25 河南新天科技股份有限公司 Three-key portable IC (integrated circuit) card read-write device
CN102163270A (en) * 2010-02-19 2011-08-24 松下电工株式会社 Ic card reader
CN102256341A (en) * 2010-05-19 2011-11-23 王海泉 Method for reducing power consumption of high-frequency wireless smart card
CN102799839A (en) * 2011-05-23 2012-11-28 成都阿艾夫通信有限公司 Method for synchronous awakening communication of active RFID (Radio Frequency Identification Devices) system
CN102799839B (en) * 2011-05-23 2015-11-18 阿艾夫技术有限公司 The method of active RFID system synchronized wake-up communication
CN104239833A (en) * 2013-06-19 2014-12-24 北京同方微电子有限公司 Low-power-consumption card reader and using method thereof
CN105531729A (en) * 2013-09-18 2016-04-27 索尼公司 Information processing device, information processing system, information processing method, and program
CN105426941A (en) * 2015-12-21 2016-03-23 深圳市科陆电子科技股份有限公司 Work control method for RFID reader

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