CN205302313U - Battery powered smart card reader of economize on electricity - Google Patents
Battery powered smart card reader of economize on electricity Download PDFInfo
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Abstract
本实用新型提供一种节电的电池供电智能卡读卡器，包括电池供电电路、控制与卡检测电路、读卡模块、电源开关、读卡天线、红外卡检测头及告警与指示电路；其中，电池供电电路的输出分成两路，一路通过电源开关与读卡模块连接，另一路连接控制与卡检测电路，读卡模块分别连接读卡天线、告警与指示电路及控制与卡检测电路，控制与卡检测电路分别连接电源开关及读卡天线与卡检测头。本实用新型读卡器在传统的读卡器基础上，增加对读卡模块的电源控制，使其功耗高的读卡模块在无卡时不供电工作，从而大大降低功耗。
The utility model provides a power-saving battery-powered smart card reader, which includes a battery-powered circuit, a control and card detection circuit, a card-reading module, a power switch, a card-reading antenna, an infrared card detection head, and an alarm and indication circuit; wherein, The output of the battery-powered circuit is divided into two paths, one path is connected to the card reader module through the power switch, and the other path is connected to the control and card detection circuit. The card reader module is respectively connected to the card reader antenna, alarm and indication circuit, and control and card detection circuit. The card detection circuit is respectively connected with the power switch, the card reader antenna and the card detection head. On the basis of the traditional card reader, the card reader of the utility model adds power control to the card reader module, so that the card reader module with high power consumption does not work without power supply when there is no card, thereby greatly reducing power consumption.
Description
技术领域technical field
本实用新型涉及一种读卡器，具体涉及一种节电的电池供电智能卡读卡器。The utility model relates to a card reader, in particular to an energy-saving battery-powered smart card reader.
背景技术Background technique
普通的智能卡读卡器在上电之后长期处于读卡等待状态，天线发射电磁场能，功耗较大，不适合电池供电的应用场合。Ordinary smart card readers are in the waiting state for a long time after being powered on, and the antenna emits electromagnetic field energy, which consumes a lot of power and is not suitable for battery-powered applications.
实用新型内容Utility model content
有鉴于此，本实用新型提供了一种节电的电池供电智能卡读卡器，其能源消耗量小。In view of this, the utility model provides a power-saving battery-powered smart card reader with low energy consumption.
实现本实用新型的技术方案如下：Realize the technical scheme of the utility model as follows:
一种节电的电池供电智能卡读卡器，包括电池供电电路、控制与卡检测电路、读卡模块、电源开关、读卡天线、红外卡检测头及告警与指示电路；其中，电池供电电路的输出分成两路，一路通过电源开关与读卡模块连接，另一路连接控制与卡检测电路，读卡模块分别连接读卡天线、告警与指示电路及控制与卡检测电路，控制与卡检测电路分别连接电源开关及红外卡检测头；A power-saving battery-powered smart card reader includes a battery-powered circuit, a control and card detection circuit, a card-reading module, a power switch, a card-reading antenna, an infrared card detection head, and an alarm and indication circuit; wherein, the battery-powered circuit The output is divided into two circuits, one is connected to the card reader module through the power switch, and the other is connected to the control and card detection circuit. Connect the power switch and infrared card detection head;
控制与卡检测电路，按照设定的频率发送驱动信号至红外卡检测头，当接收到红外卡检测头传输过来的电脉冲信号时，驱动电源开关接通；当接收到读卡模块传输过来的操作完成信号时，驱动电源开关断开；在电源开关接通的过程中，若检测到电池供电电路的输出电压低于设定阈值时，生成电池低电压信号传输给读卡模块；The control and card detection circuit sends the drive signal to the infrared card detection head according to the set frequency. When receiving the electric pulse signal transmitted by the infrared card detection head, the drive power switch is turned on; When the operation completes the signal, the drive power switch is turned off; in the process of turning on the power switch, if it is detected that the output voltage of the battery power supply circuit is lower than the set threshold, a low battery voltage signal is generated and transmitted to the card reader module;
红外卡检测头，在驱动信号作用下发射红外线，当有卡时，经卡反射的红外线被红外卡检测头接收，产生电脉冲信号传输给控制与卡检测电路；The infrared card detection head emits infrared rays under the action of the driving signal. When there is a card, the infrared rays reflected by the card are received by the infrared card detection head, and an electrical pulse signal is generated and transmitted to the control and card detection circuit;
电池供电电路，在电源开关接通时，为读卡模块供电；The battery-powered circuit supplies power to the card reader module when the power switch is turned on;
读卡模块，在上电后启动，一方面进行读卡操作，当读卡结束后，发送操作完成信号给控制与卡检测电路，另一方面，在读卡成功时、在所读卡未授权时及在接收到电池低电压信号时，驱动告警与指示电路；The card reading module is started after power-on. On the one hand, the card reading operation is performed. When the card reading is completed, the operation completion signal is sent to the control and card detection circuit. On the other hand, when the card reading is successful or the card is not authorized And when receiving the battery low voltage signal, drive the alarm and indication circuit;
告警与指示电路，用于对电池电压低、刷卡成功及所刷卡为未授权卡的情况给出相应的提示或警告。The alarm and indication circuit is used to give corresponding prompts or warnings for low battery voltage, successful card swiping, and unauthorized card swiping.
有益效果Beneficial effect
本实用新型读卡器在传统的读卡器基础上，增加对读卡模块的电源控制，使其功耗高的读卡模块在无卡时不供电工作，从而大大降低功耗。On the basis of the traditional card reader, the card reader of the utility model adds power control to the card reader module, so that the card reader module with high power consumption does not work without power supply when there is no card, thereby greatly reducing power consumption.
附图说明Description of drawings
图1为本实用新型节电的电池供电智能卡读卡器的示意图。FIG. 1 is a schematic diagram of a power-saving battery-powered smart card reader of the present invention.
具体实施方式detailed description
下面结合附图并举实施例，对本实用新型进行详细描述。The utility model will be described in detail below in conjunction with the accompanying drawings and examples.
如图1所示，本实用新型提供了一种节电的电池供电智能卡读卡器，包括电池供电电路、控制与卡检测电路、读卡模块、电源开关、读卡天线、红外卡检测头及告警与指示电路；其中，电池供电电路的输出分成两路，一路通过电源开关与读卡模块连接，另一路连接控制与卡检测电路，读卡模块分别连接读卡天线、告警与指示电路及控制与卡检测电路，控制与卡检测电路分别连接电源开关及红外卡检测头；As shown in Figure 1, the utility model provides a power-saving battery-powered smart card reader, including a battery-powered circuit, a control and card detection circuit, a card reader module, a power switch, a card reader antenna, an infrared card detection head and Alarm and indication circuit; among them, the output of the battery-powered circuit is divided into two paths, one path is connected to the card reader module through the power switch, and the other path is connected to the control and card detection circuit, and the card reader module is connected to the card reader antenna, the alarm and indication circuit and the control circuit respectively. The card detection circuit, the control and the card detection circuit are respectively connected to the power switch and the infrared card detection head;
控制与卡检测电路，按照设定的频率发送驱动信号至红外卡检测头，当接收到红外卡检测头传输过来的电脉冲信号时，驱动电源开关接通，当未接收到所述电脉冲信号时，控制与卡检测电路进入低功耗模式；当接收到读卡模块传输过来的操作完成信号时，驱动电源开关断开；在电源开关接通的过程中，若检测到电池供电电路的输出电压低于设定阈值时，生成电池低电压信号传输给读卡模块；The control and card detection circuit sends the drive signal to the infrared card detection head according to the set frequency. When the electric pulse signal transmitted by the infrared card detection head is received, the drive power switch is turned on. When the electric pulse signal is not received When the control and card detection circuit enters the low power consumption mode; when receiving the operation completion signal transmitted by the card reader module, the drive power switch is turned off; When the voltage is lower than the set threshold, a low battery voltage signal is generated and transmitted to the card reader module;
由于控制与卡检测电路也是有功耗的，目前常用的方法中卡检测的功耗大约是读卡器功耗的十分之一左右，一般在15到20mA，这个功耗对电池供电的设备来说还是较高的，不适合需节电的电池供电的读卡器设备。本实用新型对卡检测与控制部分进行了优化的低功耗设计，通过降低卡检测工作时间的时间占空比，来降低总功耗。其具体方法是:运用低功耗的简单处理器运行在低功耗模式下，定期(约1秒，即设定频率)用1ms的时间检测是否有卡需要读取。这样就达到了无卡时电源功耗只有10uA水平，极大地降低了供电的功耗，对必须电池供电或需要低功耗的智能卡读卡器具有了普遍的适用意义。Because the control and card detection circuits also have power consumption, the power consumption of card detection in the commonly used methods is about one-tenth of the power consumption of the card reader, generally 15 to 20mA. It is still relatively high, and it is not suitable for battery-powered card reader devices that need to save power. The utility model has an optimized low power consumption design for the card detection and control part, and reduces the total power consumption by reducing the time duty cycle of the card detection working time. Its concrete method is: use the simple processor of low power consumption to run under the low power consumption mode, regularly (about 1 second, promptly setting frequency) with the time detection of 1ms whether there is card to need to read. In this way, the power consumption is only 10uA when there is no card, which greatly reduces the power consumption of the power supply, and has universal application significance for smart card readers that must be powered by batteries or require low power consumption.
红外卡检测头，在驱动信号作用下发射红外线，当有卡时，经卡反射的红外线被红外卡检测头接收，产生电脉冲信号传输给控制与卡检测电路；The infrared card detection head emits infrared rays under the action of the driving signal. When there is a card, the infrared rays reflected by the card are received by the infrared card detection head, and an electrical pulse signal is generated and transmitted to the control and card detection circuit;
电池供电电路，在电源开关接通时，为读卡模块供电；The battery-powered circuit supplies power to the card reader module when the power switch is turned on;
读卡模块，在上电后启动，一方面进行读卡操作，当读卡结束后，发送操作完成信号给控制与卡检测电路，另一方面，在读卡成功时、在所读卡未授权时及在接收到电池低电压信号时，驱动告警与指示电路；The card reading module is started after power-on. On the one hand, the card reading operation is performed. When the card reading is completed, the operation completion signal is sent to the control and card detection circuit. On the other hand, when the card reading is successful or the card is not authorized And when receiving the battery low voltage signal, drive the alarm and indication circuit;
告警与指示电路，用于对电池电压低、刷卡成功及所刷卡为未授权卡的情况给出相应的提示或警告。The alarm and indication circuit is used to give corresponding prompts or warnings for low battery voltage, successful card swiping, and unauthorized card swiping.
实施例1：一种节电的电池供电智能卡读卡器，包括：电池供电电路、控制与卡检测电路、读卡模块、电源开关、读卡天线、红外卡检测头及告警与指示电路六大部份。Embodiment 1: A power-saving battery-powered smart card reader, including: battery-powered circuit, control and card detection circuit, card reader module, power switch, card reader antenna, infrared card detection head, and alarm and indication circuit part.
控制与卡检测电路，是读卡器中一直供电的电路，其主要由低功耗的CPU和相应的功能电路构成。CPU工作于低功耗模式，靠低功耗下工作的定时器定期(约1S，即设定的频率)驱动红外卡检测头发射红外线。有卡时，经卡反射的红外线被红外卡检测头接收产生电脉冲，这个电脉冲唤醒CPU，CPU再驱动电源开关接通读卡模块的供电电源；读卡模块上电后迅速启动，进行读卡与相关操作，操作完成后通过信号线发送一完成信号给控制与卡检测电路中的CPU，此时CPU立即发信号给电源开关断开读卡模块的电源，然后进入低功耗模式。当红外卡检测头发出红外线后，无卡时，CPU仍处在低功耗模式。The control and card detection circuit is a circuit that always supplies power in the card reader, and it is mainly composed of a low-power CPU and corresponding functional circuits. The CPU works in low power consumption mode, and the timer working under low power consumption regularly (about 1S, that is, the set frequency) drives the infrared card detection head to emit infrared rays. When there is a card, the infrared rays reflected by the card are received by the infrared card detection head to generate electric pulses. This electric pulse wakes up the CPU, and the CPU then drives the power switch to connect the power supply of the card reading module; Card and related operations, after the operation is completed, send a completion signal to the CPU in the control and card detection circuit through the signal line. At this time, the CPU immediately sends a signal to the power switch to disconnect the power supply of the card reader module, and then enters the low power consumption mode. When the infrared card detection head emits infrared rays and there is no card, the CPU is still in low power consumption mode.
由于此读卡器是电池供电设备，什么时候电池快用完用户是不知道的，基于这样的需求，本实用新型设计有电池低电压检测，在有人刷卡时，CPU检测到低电压时，通过电池电压低信号线告知读卡模块提醒用户电压已很低，需要更换电池。Since the card reader is a battery-powered device, the user does not know when the battery is running out. Based on this requirement, the utility model is designed with a battery low voltage detection. When someone swipes the card, when the CPU detects the low The low battery voltage signal line informs the card reading module to remind the user that the voltage is very low and the battery needs to be replaced.
告警与指示电路主要完成友好的人机交互，如电池低电压的提醒、刷卡成功的提示，未授权卡的警告等。The alarm and indication circuit mainly completes friendly human-computer interaction, such as the reminder of low battery voltage, the reminder of successful card swiping, and the warning of unauthorized cards.
本实用新型特别适合于像刷智能卡的电子锁这样的项目，其低功耗实现方案在较少增加成本(约10元)的情况下，其实现的智能卡读卡器能源消耗大约是普通读卡器的十万分之一左右。对于绿色能源革命的今天，无疑是具有极大的现实意义的。The utility model is particularly suitable for items such as electronic locks for swiping smart cards, and its low power consumption implementation scheme requires less cost increase (about 10 yuan), and the energy consumption of the smart card reader realized by it is about the same as that of ordinary card readers. About one hundred thousandth of the device. For today's green energy revolution, it is undoubtedly of great practical significance.
综上所述，以上仅为本实用新型的较佳实施例而已，并非用于限定本实用新型的保护范围。凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。To sum up, the above are only preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504427A (en) * | 2016-12-21 | 2017-03-15 | 成都秦川科技发展有限公司 | A kind of gas meter, flow meter and gas-fired equipment |
| CN110133235A (en) * | 2018-02-08 | 2019-08-16 | 深圳市帝迈生物技术有限公司 | A kind of multichannel agent detection devices and detection method |
| CN111723878A (en) * | 2019-03-21 | 2020-09-29 | 佳纶生技股份有限公司 | Display control system and method |
| CN113627204A (en) * | 2021-08-06 | 2021-11-09 | 青岛海信智慧生活科技股份有限公司 | Card identification circuit, power supply method thereof and door lock |
-
2016
- 2016-01-13 CN CN201620030781.3U patent/CN205302313U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106504427A (en) * | 2016-12-21 | 2017-03-15 | 成都秦川科技发展有限公司 | A kind of gas meter, flow meter and gas-fired equipment |
| CN110133235A (en) * | 2018-02-08 | 2019-08-16 | 深圳市帝迈生物技术有限公司 | A kind of multichannel agent detection devices and detection method |
| CN111723878A (en) * | 2019-03-21 | 2020-09-29 | 佳纶生技股份有限公司 | Display control system and method |
| CN113627204A (en) * | 2021-08-06 | 2021-11-09 | 青岛海信智慧生活科技股份有限公司 | Card identification circuit, power supply method thereof and door lock |
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