CN104484962A - Safety detection method and device for POS machine - Google Patents
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Abstract
本发明公开了POS机安全检测的方法和装置。方法包括步骤：S1，设定安全触发参数；S2，超声波发射器在POS机内部发射超声波；S3，超声波接收器接收反射回来的超声波；S4，根据超声波发射器发射的超声波的发射时间和/或发射频率、超声波接收器接收到的超声波的接收时间和/或反射频率以及安全触发参数，判断POS机是否受到异常攻击。装置包括POS机壳体，POS机壳体内设有：超声波发射器、超声波接收器以及处理模块。本发明通过超声波技术检测POS机壳体是否受到异常攻击，提高了POS机安全检测的可靠性、可控性和稳定性，从而有效的保障了POS机的数据安全。本发明可广泛用于各种POS机。
The invention discloses a method and a device for safety detection of a POS machine. The method includes steps: S1, setting safety trigger parameters; S2, the ultrasonic transmitter emits ultrasonic waves inside the POS machine; S3, the ultrasonic receiver receives the reflected ultrasonic waves; S4, according to the emission time of the ultrasonic waves emitted by the ultrasonic transmitter and/or The transmission frequency, the receiving time and/or reflection frequency of the ultrasonic wave received by the ultrasonic receiver, and the safety trigger parameters are used to determine whether the POS machine has been attacked abnormally. The device includes a POS machine shell, and the POS machine shell is provided with: an ultrasonic transmitter, an ultrasonic receiver and a processing module. The invention detects whether the shell of the POS machine is attacked abnormally through the ultrasonic technology, improves the reliability, controllability and stability of the security detection of the POS machine, thereby effectively guaranteeing the data security of the POS machine. The invention can be widely used in various POS machines.
Description
技术领域 technical field
本发明涉及电子方式操作的现金登记器的安全监测，特别涉及一种POS机的安全监测方法，本发明还涉及一种POS机安全监测的装置。 The invention relates to the safety monitoring of an electronically operated cash register, in particular to a safety monitoring method for a POS machine, and also relates to a safety monitoring device for a POS machine.
背景技术 Background technique
POS机是一种具有非现金结算功能的销售终端，广泛应用在超市、连锁店、大卖场、饭店等场所。因为涉及到银行卡的交易，对其安全性能有着很高的要求，必须要保证POS机里面的重要数据如密钥等不被窃取。为了规范POS机的安全性能，支付卡行业数据安全标准委员会制定出PCI认证标准，PCI认证标准旨在严格控制数据存储以保障支付卡用户在线交易安全的数据安全标准。 POS machine is a sales terminal with non-cash settlement function, which is widely used in supermarkets, chain stores, hypermarkets, restaurants and other places. Because transactions involving bank cards have high requirements for its security performance, it is necessary to ensure that important data such as keys in the POS machine are not stolen. In order to standardize the security performance of POS machines, the Payment Card Industry Data Security Standards Committee has formulated the PCI certification standard. The PCI certification standard aims to strictly control data storage to ensure the security of payment card users' online transactions.
现在各种POS机壳体保护方式，分成机械结构感应保护方式和非电子感应保护方式。 At present, various POS machine shell protection methods are divided into mechanical structure induction protection methods and non-electronic induction protection methods.
机械结构感应保护方式如采用触点开合监测POS机壳体是否被撬开等。然而，实际中机械结构感应方式容易受到环境的干扰，震动跌落，温度变化，都有可能造成机械触点变形移动，造成误触发。 The mechanical structure induction protection method, such as using contact opening and closing to monitor whether the POS machine shell is pried open, etc. However, in practice, the mechanical structure sensing method is easily disturbed by the environment. Vibration, drop, and temperature changes may cause the mechanical contacts to deform and move, resulting in false triggering.
非电子感应保护方式如采用光敏感应器感应是否有光源进入，以判断是否POS机壳体被撬开。然而，光敏感应容易受到强非可见光干扰，同时，也容易收到内部的可见光源的干扰，同时，灵敏度也不好把握。 Non-electronic induction protection methods, such as using a photosensitive sensor to sense whether there is a light source, to determine whether the POS machine case has been pried open. However, the photosensitive sensor is easily interfered by strong non-visible light, and at the same time, it is also easily interfered by the internal visible light source. At the same time, the sensitivity is not easy to control.
发明内容 Contents of the invention
为了解决上述技术问题，本发明的目的是提供一种能够有效防止误触发、高灵敏度的POS机安全监测的方法。 In order to solve the above-mentioned technical problems, the object of the present invention is to provide a POS machine safety monitoring method that can effectively prevent false triggering and has high sensitivity.
为了解决上述技术问题，本发明的另一个目的是提供一种能够有效防止误触发、高灵敏度的POS机安全监测的装置。 In order to solve the above-mentioned technical problems, another object of the present invention is to provide a high-sensitivity safety monitoring device for POS machines that can effectively prevent false triggering.
本发明所采用的技术方案是： The technical scheme adopted in the present invention is:
一种POS机安全检测的方法，其包括步骤：S1，设定安全触发参数；S2，超声波发射器在POS机内部发射超声波；S3，超声波接收器接收反射回来的超声波；S4，根据超声波发射器发射的超声波的发射时间和/或发射频率、超声波接收器接收到的超声波的接收时间和/或反射频率以及安全触发参数，判断POS机是否受到异常攻击。 A method for safety detection of a POS machine, comprising the steps of: S1, setting a safety trigger parameter; S2, an ultrasonic transmitter transmitting an ultrasonic wave inside the POS machine; S3, an ultrasonic receiver receiving the reflected ultrasonic wave; S4, according to the ultrasonic transmitter The transmission time and/or transmission frequency of the transmitted ultrasonic wave, the reception time and/or reflection frequency of the ultrasonic wave received by the ultrasonic receiver and the safety trigger parameters are used to determine whether the POS machine is under abnormal attack.
优选的，所述安全触发参数为时间差最大值和/或时间差最小值和/或频率差最大值和/或频率差最小值和/或标准频率范围。 Preferably, the safety trigger parameter is a maximum time difference and/or a minimum time difference and/or a maximum frequency difference and/or a minimum frequency difference and/or a standard frequency range.
优选的，所述步骤S2具体包括子步骤：S21，超声波发射器在POS机内部发射超声波；S22，记录超声波的发射时间和/或超声波的发射频率。 Preferably, the step S2 specifically includes sub-steps: S21, the ultrasonic transmitter transmits the ultrasonic wave inside the POS machine; S22, records the ultrasonic emission time and/or the ultrasonic emission frequency.
优选的，所述步骤S4具体包括子步骤：S41，根据超声波接收器接收到的反射超声波的接收时间与超声波发射器发射超声波的发射时间之间的时间差是否大于时间差最大值和/或小于时间差最小值，判断POS机是否受到异常攻击；或S42，根据超声波接收器接收到的反射超声波的反射频率与超声波发射器发射超声波的发射频率之间的频率差是否大于频率差最大值和/或小于频率差最小值，判断POS机是否受到异常攻击；或S43，根据超声波接收器接收到的反射超声波的反射频率是否超出标准频率范围，判断POS机是否受到异常攻击。 Preferably, the step S4 specifically includes a sub-step: S41, according to whether the time difference between the receiving time of the reflected ultrasonic wave received by the ultrasonic receiver and the transmitting time of the ultrasonic wave emitted by the ultrasonic transmitter is greater than the maximum time difference and/or smaller than the minimum time difference value, to determine whether the POS machine is under an abnormal attack; or S42, according to whether the frequency difference between the reflection frequency of the reflected ultrasonic wave received by the ultrasonic receiver and the transmission frequency of the ultrasonic wave transmitted by the ultrasonic transmitter is greater than the maximum value of the frequency difference and/or less than the frequency difference or S43, judge whether the POS machine is under abnormal attack according to whether the reflection frequency of the reflected ultrasonic wave received by the ultrasonic receiver exceeds the standard frequency range.
优选的，其还包括步骤：S5，当步骤S4判断POS机受到异常攻击时，触发警报和/或停止POS机工作。 Preferably, it also includes step: S5, when it is judged in step S4 that the POS machine is under abnormal attack, trigger an alarm and/or stop the POS machine from working.
优选的，步骤S5所述警报包括本地警报和发送警报信息到远程终端。 Preferably, the alarm in step S5 includes local alarm and sending alarm information to a remote terminal.
一种POS机安全检测的装置，其用于实施一种POS机安全检测的方法，其包括POS机壳体，所述POS机壳体内设有：超声波发射器，用于发射超声波；超声波接收器，用于接收反射的超声波；处理模块，用于根据超声波发射器发射的超声波的发射时间和/或发射频率、超声波接收器接收到的超声波的接收时间和/或反射频率，判断POS机是否受到异常攻击。 A POS machine safety detection device, which is used to implement a POS machine safety detection method, it includes a POS machine housing, the POS machine housing is provided with: an ultrasonic transmitter for transmitting ultrasonic waves; an ultrasonic receiver , used to receive the reflected ultrasonic wave; the processing module is used to determine whether the POS machine is affected by the ultrasonic wave according to the emission time and/or emission frequency of the ultrasonic wave emitted by the ultrasonic transmitter and the receiving time and/or reflection frequency of the ultrasonic wave received by the ultrasonic receiver. Abnormal attack.
优选的，其还包括警报装置，所述警报装置的输入端与处理模块的输出端连接。 Preferably, it also includes an alarm device, the input end of the alarm device is connected to the output end of the processing module.
优选的，其还包括通信模块，所述通信模块与处理模块连接。 Preferably, it also includes a communication module connected to the processing module.
本发明的有益效果是： The beneficial effects of the present invention are:
本发明一种POS机安全检测的方法通过超声波技术检测POS机壳体是否受到异常攻击，克服了现有技术中POS机安全检测容易误触发和灵敏度难以控制的问题，提高了POS机安全检测的可靠性、可控性和稳定性，从而有效的保障了POS机的数据安全，而且方法简单易用，实施成本低，具有良好的经济和社会效益。本发明可广泛用于各种POS机。 A POS machine safety detection method of the present invention detects whether the POS machine shell is subjected to abnormal attacks through ultrasonic technology, overcomes the problems in the prior art that the POS machine safety detection is easy to be falsely triggered and the sensitivity is difficult to control, and improves the POS machine safety detection. Reliability, controllability and stability, thereby effectively guaranteeing the data security of the POS machine, and the method is simple and easy to use, low in implementation cost, and has good economic and social benefits. The present invention can be widely used in various POS machines.
本发明的另一个有益效果是： Another beneficial effect of the present invention is:
本发明一种POS机安全检测的装置通过超声波技术检测POS机壳体是否受到异常攻击，克服了现有技术中POS机安全检测容易误触发和灵敏度难以控制的问题，提高了POS机安全检测的可靠性、可控性和稳定性，从而有效的保障了POS机的数据安全，而且装置简单易用，生产装配成本低，具有良好的经济和社会效益。本发明可广泛用于各种POS机。 The POS machine safety detection device of the present invention detects whether the POS machine casing is subjected to abnormal attacks through ultrasonic technology, overcomes the problems in the prior art that the POS machine safety detection is easy to be falsely triggered and the sensitivity is difficult to control, and improves the POS machine safety detection. Reliability, controllability and stability, thereby effectively guaranteeing the data security of the POS machine, and the device is simple and easy to use, with low production and assembly costs, and has good economic and social benefits. The present invention can be widely used in various POS machines.
附图说明 Description of drawings
下面结合附图对本发明的具体实施方式作进一步说明： The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing:
图1是本发明一种POS机安全检测的方法一种实施例的方法流程图； Fig. 1 is the method flowchart of a kind of method embodiment of the method for POS machine security detection of the present invention;
图2是本发明一种POS机安全检测的装置一种实施例的结构示意图。 Fig. 2 is a structural schematic diagram of an embodiment of a POS machine security detection device according to the present invention.
具体实施方式 Detailed ways
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。 It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
如图1所示，一种POS机安全检测的方法，其包括步骤：S1，设定安全触发参数；S2，超声波发射器在POS机内部发射超声波；S3，超声波接收器接收反射回来的超声波；S4，根据超声波发射器发射的超声波的发射时间和/或发射频率、超声波接收器接收到的超声波的接收时间和/或反射频率以及安全触发参数，判断POS机是否受到异常攻击。 As shown in Figure 1, a kind of method for POS machine safety detection, it comprises the steps: S1, setting safe trigger parameter; S2, ultrasonic transmitter transmits ultrasonic wave inside POS machine; S3, ultrasonic receiver receives the ultrasonic wave that reflects back; S4, according to the transmission time and/or transmission frequency of the ultrasonic wave emitted by the ultrasonic transmitter, the receiving time and/or reflection frequency of the ultrasonic wave received by the ultrasonic receiver, and the security trigger parameters, determine whether the POS machine is under abnormal attack.
优选的，所述安全触发参数为时间差最大值和/或时间差最小值和/或频率差最大值和/或频率差最小值和/或标准频率范围。 Preferably, the safety trigger parameter is a maximum time difference and/or a minimum time difference and/or a maximum frequency difference and/or a minimum frequency difference and/or a standard frequency range.
优选的，所述步骤S2具体包括子步骤：S21，超声波发射器在POS机内部发射超声波；S22，记录超声波的发射时间和/或超声波的发射频率。其中，可以通过谐振电路确定超声波的频率。 Preferably, the step S2 specifically includes sub-steps: S21, the ultrasonic transmitter transmits the ultrasonic wave inside the POS machine; S22, records the ultrasonic emission time and/or the ultrasonic emission frequency. Among them, the frequency of the ultrasonic wave can be determined by the resonant circuit.
优选的，所述步骤S4具体包括子步骤：S41，根据超声波接收器接收到的反射超声波的接收时间与超声波发射器发射超声波的发射时间之间的时间差是否大于时间差最大值和/或小于时间差最小值，判断POS机是否受到异常攻击；或S42，根据超声波接收器接收到的反射超声波的反射频率与超声波发射器发射超声波的发射频率之间的频率差是否大于频率差最大值和/或小于频率差最小值，判断POS机是否受到异常攻击；或S43，根据超声波接收器接收到的反射超声波的反射频率是否超出标准频率范围，判断POS机是否受到异常攻击。 Preferably, the step S4 specifically includes a sub-step: S41, according to whether the time difference between the receiving time of the reflected ultrasonic wave received by the ultrasonic receiver and the transmitting time of the ultrasonic wave emitted by the ultrasonic transmitter is greater than the maximum time difference and/or smaller than the minimum time difference value, to determine whether the POS machine is under an abnormal attack; or S42, according to whether the frequency difference between the reflection frequency of the reflected ultrasonic wave received by the ultrasonic receiver and the transmission frequency of the ultrasonic wave transmitted by the ultrasonic transmitter is greater than the maximum value of the frequency difference and/or less than the frequency difference or S43, judge whether the POS machine is under abnormal attack according to whether the reflection frequency of the reflected ultrasonic wave received by the ultrasonic receiver exceeds the standard frequency range.
下面以三种实施例具体说明该发明的详细工作过程。 The detailed working process of this invention is specifically described below with three kinds of embodiments.
1.在POS机内放置一个超声波发射器和超声波发射器，每隔指定时间，发送出超声波，超声波遇到POS机壳体反射回来，根据超声波发射时间和接收时间之间的时间差以及超声波的传播速度，可计算出机壳的距离，可先记录常态下的时间差或距离，当时间差或距离的变化超出指定的范围（安全触发参数）时，启动触发警报或停止POS机工作。例如，可以准确检测POS机客体是否被撬开或受到重力压迫。 1. Place an ultrasonic transmitter and an ultrasonic transmitter in the POS machine, and send out ultrasonic waves every specified time, and the ultrasonic waves will reflect back when encountering the POS machine shell. Speed, can calculate the distance of the case, can first record the time difference or distance under normal conditions, when the change of time difference or distance exceeds the specified range (safety trigger parameters), start to trigger the alarm or stop the POS machine from working. For example, it is possible to accurately detect whether the POS machine object has been pried open or pressed by gravity.
2.在POS机内放置一个超声波发射器和超声波发射器，每隔指定时间，发送出超声波，超声波遇到POS机壳体反射回来，计算超声波发射频率和接收频率之间的频率差，当频率差的变化超出指定的范围（安全触发参数）时，启动触发警报或停止POS机工作。例如，可以检测是否有高速钻头的震动，准确知道是否有钻孔攻击。 2. Place an ultrasonic transmitter and an ultrasonic transmitter in the POS machine, and send out ultrasonic waves every specified time. When the difference changes beyond the specified range (safety trigger parameters), start to trigger the alarm or stop the POS machine from working. For example, it can detect whether there is vibration of a high-speed drill bit, and know exactly whether there is a drilling attack.
3．超声波检测可以知道是否有异物进入到POS机内部。当有异物植入终端时，由于反射超声波的谐振频率的变化，可以检测到，当频率的变化超出指定的范围（安全触发参数）时，触发警报或停止POS机工作。 3. Ultrasonic detection can know whether there is foreign matter entering the POS machine. When a foreign object is implanted in the terminal, due to the change of the resonant frequency of the reflected ultrasonic wave, it can be detected. When the frequency change exceeds the specified range (safety trigger parameter), an alarm is triggered or the POS machine stops working.
优选的，其还包括步骤：S5，当步骤S4判断POS机受到异常攻击时，触发警报和/或停止POS机工作。其中，警报装置可以是警灯警笛，也可以是其它警报装置。 Preferably, it also includes step: S5, when it is judged in step S4 that the POS machine is under abnormal attack, trigger an alarm and/or stop the POS machine from working. Wherein, the warning device may be a warning light or a siren, or other warning devices.
优选的，步骤S5所述警报包括本地警报和发送警报信息到远程终端。 Preferably, the alarm in step S5 includes local alarm and sending alarm information to a remote terminal.
本发明一种POS机安全检测的方法通过超声波技术检测POS机壳体是否受到异常攻击，克服了现有技术中POS机安全检测容易误触发和灵敏度难以控制的问题，提高了POS机安全检测的可靠性、可控性和稳定性，从而有效的保障了POS机的数据安全，而且方法简单易用，实施成本低，具有良好的经济和社会效益。本发明可广泛用于各种POS机。 A POS machine safety detection method of the present invention detects whether the POS machine shell is subjected to abnormal attacks through ultrasonic technology, overcomes the problems in the prior art that the POS machine safety detection is easy to be falsely triggered and the sensitivity is difficult to control, and improves the POS machine safety detection. Reliability, controllability and stability, thereby effectively guaranteeing the data security of the POS machine, and the method is simple and easy to use, low in implementation cost, and has good economic and social benefits. The present invention can be widely used in various POS machines.
如图2所示，一种POS机安全检测的装置，其用于实施一种POS机安全检测的方法，其包括POS机壳体1，所述POS机壳体1内设有：超声波发射器2，用于发射超声波4；超声波接收器3，用于接收反射的超声波4；处理模块，用于根据超声波发射器2发射的超声波4的发射时间和/或发射频率、超声波接收器3接收到的超声波4的接收时间和/或反射频率，判断POS机是否受到异常攻击。其中超声波发射器2发射出去的超声波信号经过POS机壳体1反射，被超声波接收器3接收到。 As shown in Figure 2, a kind of device of POS machine safety detection, it is used for implementing a kind of method for POS machine safety detection, it comprises POS machine housing 1, is provided with in described POS machine housing 1: Ultrasonic transmitter 2, for transmitting ultrasonic wave 4; ultrasonic receiver 3, for receiving reflected ultrasonic wave 4; processing module, for transmitting time and/or transmitting frequency of ultrasonic wave 4 transmitted according to ultrasonic transmitter 2, ultrasonic receiver 3 receives The receiving time and/or reflection frequency of the ultrasonic wave 4 can be used to determine whether the POS machine is under abnormal attack. The ultrasonic signal emitted by the ultrasonic transmitter 2 is reflected by the POS machine casing 1 and received by the ultrasonic receiver 3 .
优选的，其还包括警报装置，所述警报装置的输入端与处理模块的输出端连接。其中，警报装置可以是警灯警笛，也可以是其它警报装置。 Preferably, it also includes an alarm device, the input end of the alarm device is connected to the output end of the processing module. Wherein, the warning device may be a warning light or a siren, or other warning devices.
优选的，其还包括通信模块，所述通信模块与处理模块连接。 Preferably, it also includes a communication module connected to the processing module.
一种POS机安全检测的装置的工作过程对应于一种POS机安全检测的方法，在此不做累述。 The working process of a POS machine security detection device corresponds to a POS machine security detection method, which will not be repeated here.
本发明一种POS机安全检测的装置通过超声波技术检测POS机壳体1是否受到异常攻击，克服了现有技术中POS机安全检测容易误触发和灵敏度难以控制的问题，提高了POS机安全检测的可靠性、可控性和稳定性，从而有效的保障了POS机的数据安全，而且装置简单易用，生产装配成本低，具有良好的经济和社会效益。本发明可广泛用于各种POS机。 A POS machine safety detection device of the present invention detects whether the POS machine casing 1 is subjected to abnormal attacks through ultrasonic technology, overcomes the problems of easy false triggering and difficult control of sensitivity in the POS machine safety detection in the prior art, and improves the POS machine safety detection The reliability, controllability and stability of the POS machine effectively guarantee the data security of the POS machine, and the device is simple and easy to use, the production and assembly cost is low, and it has good economic and social benefits. The present invention can be widely used in various POS machines.
以上是对本发明的较佳实施进行了具体说明，但本发明创造并不限于所述实施例，熟悉本领域的技术人员在不违背本发明精神的前提下还可做作出种种的等同变形或替换，这些等同的变形或替换均包含在本申请权利要求所限定的范围内。 The above is a specific description of the preferred implementation of the present invention, but the invention is not limited to the described embodiments, and those skilled in the art can also make various equivalent deformations or replacements without violating the spirit of the present invention. , these equivalent modifications or replacements are all within the scope defined by the claims of the present application.
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