CN104484962A - Safety detection method and device for POS machine - Google Patents

Safety detection method and device for POS machine Download PDF

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Publication number
CN104484962A
CN104484962A CN201410603706.7A CN201410603706A CN104484962A CN 104484962 A CN104484962 A CN 104484962A CN 201410603706 A CN201410603706 A CN 201410603706A CN 104484962 A CN104484962 A CN 104484962A
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China
Prior art keywords
pos
frequency
safety detection
hyperacoustic
reflection
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CN201410603706.7A
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CN104484962B (en
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李佳
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SHENZHEN YILIAN TECHNOLOGY Co Ltd
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SHENZHEN YILIAN TECHNOLOGY Co Ltd
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Abstract

The invention discloses a safety detection method and a device for a POS machine. The method comprises steps that, S1, safety trigger parameters are set; S2, supersonic waves are emitted by a supersonic wave emitter in the POS machine; S3, the reflected supersonic waves are received by a supersonic wave receiver; and S4, whether the POS machine is attacked can be determined according to emission time and/or emission frequency of the supersonic waves emitted by the supersonic wave emitter, reception time and/or reflection frequency of the supersonic waves received by the supersonic wave receiver, and the safety trigger parameters. The device comprises a POS machine casing, wherein the POS machine casing is internally provided with the supersonic wave emitter, the supersonic wave receiver and a processing module. According to the method, whether the POS machine is abnormally attacked is detected through the supersonic wave technology, safety detection reliability, controllability and stability of the POS machine are improved, and data safety of the POS machine is effectively guaranteed. The method and the device are widely applied to POS machines.

Description

A kind of method of POS safety detection and device
Technical field
The present invention relates to the safety monitoring of the cash logger that electronics mode operates, particularly a kind of safety monitoring method of POS, the invention still further relates to a kind of device of POS safety monitoring.
Background technology
POS is a kind of point-of-sale terminal with clearing of account function, is widely used in the places such as supermarket, chain store, hypermarket, restaurant.Because relate to the transaction of bank card, there is very high requirement to its security performance, must ensure that significant data such as the key etc. inside POS is not stolen.In order to the security performance of specification POS, payment card industry data security standard committee makes PCI Valuation Standard, and PCI Valuation Standard is intended to strict control data and stores with the data security standard ensureing Payment Card user online transaction safety.
Present various POS housing protected mode, is divided into physical construction induction protected mode and non-electronic induction protected mode.
Whether physical construction induction protected mode is pried open as adopted contact folding monitoring POS housing.But physical construction induction mode is easily subject to the interference of environment in reality, and vibrations are fallen, temperature variation, all likely causes mechanical contact displacement, cause false triggering.
Whether non-electronic induction protected mode has light source to enter, to judge whether that POS housing is pried open as adopted the induction of light-inductive device.But light-inductive is easily subject to the interference of strong non-visible light, meanwhile, also easily receive the interference of inner visible light source, meanwhile, sensitivity is bad assurance also.
Summary of the invention
In order to solve the problems of the technologies described above, the object of this invention is to provide a kind of method that effectively can prevent false triggering, highly sensitive POS safety monitoring.
In order to solve the problems of the technologies described above, another object of the present invention is to provide a kind of device that effectively can prevent false triggering, highly sensitive POS safety monitoring.
The technical solution adopted in the present invention is:
A method for POS safety detection, it comprises step: S1, sets safe trigger parameter; S2, ultrasonic transmitter is at POS internal emission ultrasound wave; S3, ultrasonic receiver receives the ultrasound wave reflected; S4, hyperacoustic time of reception that hyperacoustic launch time of launching according to ultrasonic transmitter and/or transmission frequency, ultrasonic receiver receive and/or reflection frequency and safe trigger parameter, judge whether POS is subject to abnormal aggression.
Preferably, described safe trigger parameter is mistiming maximal value and/or mistiming minimum value and/or difference on the frequency maximal value and/or difference on the frequency minimum value and/or standard frequency range.
Preferably, described step S2 specifically comprises sub-step: S21, and ultrasonic transmitter is at POS internal emission ultrasound wave; S22, records hyperacoustic launch time and/or hyperacoustic transmission frequency.
Preferably, described step S4 specifically comprises sub-step: S41, whether time of reception and the ultrasonic transmitter mistiming of launching between hyperacoustic launch time of the reflection supersonic wave received according to ultrasonic receiver are greater than mistiming maximal value and/or are less than mistiming minimum value, judge whether POS is subject to abnormal aggression; Or S42, whether reflection frequency and the ultrasonic transmitter difference on the frequency launched between hyperacoustic transmission frequency of the reflection supersonic wave received according to ultrasonic receiver are greater than difference on the frequency maximal value and/or are less than difference on the frequency minimum value, judge whether POS is subject to abnormal aggression; Or S43, whether the reflection frequency of the reflection supersonic wave received according to ultrasonic receiver exceeds standard frequency range, judges whether POS is subject to abnormal aggression.
Preferably, it also comprises step: S5, when step S4 judges that POS is subject to abnormal aggression, and alert trigger and/or the work of stopping POS.
Preferably, alarm described in step S5 comprises local alarm and sends warning information to remote terminal.
A device for POS safety detection, it is for implementing a kind of method of POS safety detection, and it comprises POS housing, is provided with: ultrasonic transmitter, for launching ultrasound wave in described POS housing; Ultrasonic receiver, for receiving the ultrasound wave of reflection; Processing module, the hyperacoustic time of reception received for hyperacoustic launch time of launching according to ultrasonic transmitter and/or transmission frequency, ultrasonic receiver and/or reflection frequency, judge whether POS is subject to abnormal aggression.
Preferably, it also comprises alarm device, and the input end of described alarm device is connected with the output terminal of processing module.
Preferably, it also comprises communication module, and described communication module is connected with processing module.
The invention has the beneficial effects as follows:
The method of a kind of POS safety detection of the present invention detects POS housing by ultrasonic technology and whether is subject to abnormal aggression, overcome the easy false triggering of POS safety detection and the unmanageable problem of sensitivity in prior art, improve the reliability of POS safety detection, controllability and stability, thus effectively ensured the data security of POS, and method is simple and easy to use, implementation cost is low, has good economic and social benefit.The present invention can be widely used in various POS.
Another beneficial effect of the present invention is:
The device of a kind of POS safety detection of the present invention detects POS housing by ultrasonic technology and whether is subject to abnormal aggression, overcome the easy false triggering of POS safety detection and the unmanageable problem of sensitivity in prior art, improve the reliability of POS safety detection, controllability and stability, thus effectively ensured the data security of POS, and device is simple and easy to use, production assembly cost is low, has good economic and social benefit.The present invention can be widely used in various POS.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is the method flow diagram of a kind of embodiment of method of a kind of POS of the present invention safety detection;
Fig. 2 is the structural representation of a kind of embodiment of device of a kind of POS of the present invention safety detection.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As shown in Figure 1, a kind of method of POS safety detection, it comprises step: S1, sets safe trigger parameter; S2, ultrasonic transmitter is at POS internal emission ultrasound wave; S3, ultrasonic receiver receives the ultrasound wave reflected; S4, hyperacoustic time of reception that hyperacoustic launch time of launching according to ultrasonic transmitter and/or transmission frequency, ultrasonic receiver receive and/or reflection frequency and safe trigger parameter, judge whether POS is subject to abnormal aggression.
Preferably, described safe trigger parameter is mistiming maximal value and/or mistiming minimum value and/or difference on the frequency maximal value and/or difference on the frequency minimum value and/or standard frequency range.
Preferably, described step S2 specifically comprises sub-step: S21, and ultrasonic transmitter is at POS internal emission ultrasound wave; S22, records hyperacoustic launch time and/or hyperacoustic transmission frequency.Wherein, hyperacoustic frequency can be determined by resonant circuit.
Preferably, described step S4 specifically comprises sub-step: S41, whether time of reception and the ultrasonic transmitter mistiming of launching between hyperacoustic launch time of the reflection supersonic wave received according to ultrasonic receiver are greater than mistiming maximal value and/or are less than mistiming minimum value, judge whether POS is subject to abnormal aggression; Or S42, whether reflection frequency and the ultrasonic transmitter difference on the frequency launched between hyperacoustic transmission frequency of the reflection supersonic wave received according to ultrasonic receiver are greater than difference on the frequency maximal value and/or are less than difference on the frequency minimum value, judge whether POS is subject to abnormal aggression; Or S43, whether the reflection frequency of the reflection supersonic wave received according to ultrasonic receiver exceeds standard frequency range, judges whether POS is subject to abnormal aggression.
The detailed operation of this invention is illustrated below with three kinds of embodiments.
1. in POS, place a ultrasonic transmitter and ultrasonic transmitter, every the fixed time, send out ultrasound wave, ultrasound wave runs into POS shell reflective and returns, according to the mistiming between ultrasound wave launch time and time of reception and hyperacoustic velocity of propagation, the distance of casing can be calculated, first can record the mistiming under normality or distance, when the change of mistiming or distance exceeds scope (the safe trigger parameter) of specifying, start alert trigger or stop POS work.Such as, accurately can detect POS object and whether be pried open or be subject to gravity compressing.
2. in POS, place a ultrasonic transmitter and ultrasonic transmitter, every the fixed time, send out ultrasound wave, ultrasound wave runs into POS shell reflective and returns, calculate the difference on the frequency between ultrasound wave transmission frequency and receive frequency, when the change of difference on the frequency exceeds scope (the safe trigger parameter) of specifying, start alert trigger or stop POS work.Such as, the vibrations whether having high speed bit can be detected, accurately know whether that boring is attacked.
3. ultrasound examination can know whether that foreign matter enters into POS inside.When there being foreign matter to implant terminal, due to the change of the resonance frequency of reflection supersonic wave, can detect, when the change of frequency exceeds scope (the safe trigger parameter) of specifying, alert trigger or the work of stopping POS.
Preferably, it also comprises step: S5, when step S4 judges that POS is subject to abnormal aggression, and alert trigger and/or the work of stopping POS.Wherein, alarm device can be warning lamp siren, also can be other alarm device.
Preferably, alarm described in step S5 comprises local alarm and sends warning information to remote terminal.
The method of a kind of POS safety detection of the present invention detects POS housing by ultrasonic technology and whether is subject to abnormal aggression, overcome the easy false triggering of POS safety detection and the unmanageable problem of sensitivity in prior art, improve the reliability of POS safety detection, controllability and stability, thus effectively ensured the data security of POS, and method is simple and easy to use, implementation cost is low, has good economic and social benefit.The present invention can be widely used in various POS.
As shown in Figure 2, a kind of device of POS safety detection, it is for implementing a kind of method of POS safety detection, and it comprises POS housing 1, is provided with: ultrasonic transmitter 2 in described POS housing 1, for launching ultrasound wave 4; Ultrasonic receiver 3, for receiving the ultrasound wave 4 of reflection; Processing module, the time of reception of the ultrasound wave 4 received for launch time of ultrasound wave 4 of launching according to ultrasonic transmitter 2 and/or transmission frequency, ultrasonic receiver 3 and/or reflection frequency, judge whether POS is subject to abnormal aggression.The ultrasonic signal that wherein ultrasonic transmitter 2 is launched reflects through POS housing 1, is received by ultrasonic receiver 3.
Preferably, it also comprises alarm device, and the input end of described alarm device is connected with the output terminal of processing module.Wherein, alarm device can be warning lamp siren, also can be other alarm device.
Preferably, it also comprises communication module, and described communication module is connected with processing module.
The course of work of the device of POS safety detection corresponds to an a kind of method of POS safety detection, does not do tired stating at this.
The device of a kind of POS safety detection of the present invention detects POS housing 1 by ultrasonic technology and whether is subject to abnormal aggression, overcome the easy false triggering of POS safety detection and the unmanageable problem of sensitivity in prior art, improve the reliability of POS safety detection, controllability and stability, thus effectively ensured the data security of POS, and device is simple and easy to use, production assembly cost is low, has good economic and social benefit.The present invention can be widely used in various POS.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent distortion or replacement are all included in the application's claim limited range.

Claims (9)

1. a method for POS safety detection, is characterized in that, it comprises step:
S1, sets safe trigger parameter;
S2, ultrasonic transmitter is at POS internal emission ultrasound wave;
S3, ultrasonic receiver receives the ultrasound wave reflected;
S4, hyperacoustic time of reception that hyperacoustic launch time of launching according to ultrasonic transmitter and/or transmission frequency, ultrasonic receiver receive and/or reflection frequency and safe trigger parameter, judge whether POS is subject to abnormal aggression.
2. the method for a kind of POS safety detection according to claim 1, is characterized in that, described safe trigger parameter is mistiming maximal value and/or mistiming minimum value and/or difference on the frequency maximal value and/or difference on the frequency minimum value and/or standard frequency range.
3. the method for a kind of POS safety detection according to claim 2, it is characterized in that, described step S2 specifically comprises sub-step:
S21, ultrasonic transmitter is at POS internal emission ultrasound wave;
S22, records hyperacoustic launch time and/or hyperacoustic transmission frequency.
4. the method for a kind of POS safety detection according to claim 3, it is characterized in that, described step S4 specifically comprises sub-step:
S41, whether time of reception and the ultrasonic transmitter mistiming of launching between hyperacoustic launch time of the reflection supersonic wave received according to ultrasonic receiver are greater than mistiming maximal value and/or are less than mistiming minimum value, judge whether POS is subject to abnormal aggression; Or
S42, whether reflection frequency and the ultrasonic transmitter difference on the frequency launched between hyperacoustic transmission frequency of the reflection supersonic wave received according to ultrasonic receiver are greater than difference on the frequency maximal value and/or are less than difference on the frequency minimum value, judge whether POS is subject to abnormal aggression; Or
S43, whether the reflection frequency of the reflection supersonic wave received according to ultrasonic receiver exceeds standard frequency range, judges whether POS is subject to abnormal aggression.
5. the method for a kind of POS safety detection according to any one of Claims 1-4, it is characterized in that, it also comprises step:
S5, when step S4 judges that POS is subject to abnormal aggression, alert trigger and/or the work of stopping POS.
6. the method for a kind of POS safety detection according to claim 5, is characterized in that, alarm described in step S5 comprises local alarm and sends warning information to remote terminal.
7. a device for POS safety detection, is characterized in that, it is for implementing the method for a kind of POS safety detection as described in claim 1 to 6 any one, and it comprises POS housing, is provided with in described POS housing:
Ultrasonic transmitter, for launching ultrasound wave;
Ultrasonic receiver, for receiving the ultrasound wave of reflection;
Processing module, the hyperacoustic time of reception received for hyperacoustic launch time of launching according to ultrasonic transmitter and/or transmission frequency, ultrasonic receiver and/or reflection frequency, judge whether POS is subject to abnormal aggression.
8. the device of a kind of POS safety detection according to claim 7, it is characterized in that, it also comprises alarm device, and the input end of described alarm device is connected with the output terminal of processing module.
9. the device of a kind of POS safety detection according to claim 7 or 8, it is characterized in that, it also comprises communication module, and described communication module is connected with processing module.
CN201410603706.7A 2014-10-30 2014-10-30 A kind of method and device of POS safety detection Active CN104484962B (en)

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1332374A (en) * 2001-08-10 2002-01-23 武汉大学 Supersonic deformation detecting method and detector for transformer winding
CN1529133A (en) * 2003-09-28 2004-09-15 武汉理工大学 Supersonic deformeter
CN101221152A (en) * 2008-01-24 2008-07-16 上海交通大学 Pipe data collection and memory detecting device
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CN102157040A (en) * 2011-01-18 2011-08-17 中兴通讯股份有限公司 Communication device and method thereof of non-contact mobile payment apparatus
CN102523323A (en) * 2011-12-27 2012-06-27 东莞华贝电子科技有限公司 Mobile terminal and barrier alarm method
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CN203180911U (en) * 2013-04-11 2013-09-04 成都摩宝网络科技有限公司 Ultrasonic receiver for ultrasonic payment
CN103364786A (en) * 2013-07-29 2013-10-23 河南中医学院 Portable type intelligent distance measurement instrument with voice function
CN203267986U (en) * 2013-04-12 2013-11-06 苏州鑫来科技有限公司 Electric vehicle management system having safety charging function and anti-theft function
CN203503002U (en) * 2013-10-24 2014-03-26 成都摩宝网络科技有限公司 Ultrasonic wave-based far-field payment system

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1332374A (en) * 2001-08-10 2002-01-23 武汉大学 Supersonic deformation detecting method and detector for transformer winding
CN1529133A (en) * 2003-09-28 2004-09-15 武汉理工大学 Supersonic deformeter
CN101405774A (en) * 2006-03-23 2009-04-08 吉尔巴科股份公司 A device for checking the regularity of the operation of automatic payment terminals
CN101221152A (en) * 2008-01-24 2008-07-16 上海交通大学 Pipe data collection and memory detecting device
CN102157040A (en) * 2011-01-18 2011-08-17 中兴通讯股份有限公司 Communication device and method thereof of non-contact mobile payment apparatus
CN102810145A (en) * 2011-05-30 2012-12-05 罗魏熙 Method and device for card reading through mobile terminal within safety distance determined by ultrasonic wave
CN102523323A (en) * 2011-12-27 2012-06-27 东莞华贝电子科技有限公司 Mobile terminal and barrier alarm method
CN203180911U (en) * 2013-04-11 2013-09-04 成都摩宝网络科技有限公司 Ultrasonic receiver for ultrasonic payment
CN203267986U (en) * 2013-04-12 2013-11-06 苏州鑫来科技有限公司 Electric vehicle management system having safety charging function and anti-theft function
CN103364786A (en) * 2013-07-29 2013-10-23 河南中医学院 Portable type intelligent distance measurement instrument with voice function
CN203503002U (en) * 2013-10-24 2014-03-26 成都摩宝网络科技有限公司 Ultrasonic wave-based far-field payment system

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