CN103035091A - Intrusion detector and detection method for tension electronic fences - Google Patents
Intrusion detector and detection method for tension electronic fences Download PDFInfo
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- CN103035091A CN103035091A CN2011102962144A CN201110296214A CN103035091A CN 103035091 A CN103035091 A CN 103035091A CN 2011102962144 A CN2011102962144 A CN 2011102962144A CN 201110296214 A CN201110296214 A CN 201110296214A CN 103035091 A CN103035091 A CN 103035091A
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Abstract
The invention discloses an intrusion detector and a detection method for tension electronic fences. The detector comprises a tension detection module, a signal conversion module, a host control module, a power module and an alarming module. The tension detection module is connected with a tension electronic fence and used for detecting tension changes of the tension electronic fence to obtain tension value feathers and generate tension voltage signals; the signal conversion module is in communication connection with the tension detection module for amplifying and outputting the tension voltage signals output by the tension detection module; the host control module is in communication connection with the signal conversion module for analyzing and determining the amplified tension voltage signals and determining tension change positions and reasons of the tension electronic fence to emit alarming signals; the power module is connected with the host control module for supplying power for the host control module; and the alarming module is connected with the host control module for receiving the alarming signals to give an alarm. The intrusion detector and the detection method for tension electronic fences are capable of detecting intrusions of various types on the tension electronic fence and performing locating and alarming accurately and not prone to be affected by environments.
Description
Technical field
The invention belongs to the electronic communication field, relate to a kind of detector, relate in particular to a kind of tension electronic fence intrusion detector and detection method.
Background technology
In recent years; along with market application foreground constantly enlarges; various security precautions technology measures are arisen at the historic moment; as in the ordinarily resident residential area, villa residential area, enterprises and institutions, factory, warehouse, transformer station, water factory, power plant, school; to such an extent as to the detention house of justice system, prison, and the place such as airport, military base, government organs, major historical and cultural sites under state protection all needs circumference safety precaution and periphery intrusion preventing warning facility.Along with the enhancing of safety precaution demand, the security system of various novel Detection Techniques develops rapidly, and the boundary defence product is also more and more abundanter.
For periphery intrusion preventing alarm system, generally adopt now the two mirror technology of infrared detection technique and infrared microwave to survey, major product has infrared emission intrusion detector and infrared emission grating, but these infrared acquisition products having relatively high expectations to environment, when environmental change, as branch shield, strong illumination, have animal come in and go out or the situation of strong wind and heavy rain under, produce easily wrong report information, and rate of false alarm is very high.
Boundary defence product commonly used is the high-voltage pulse tension electronic fence now, it adopts high voltage, low-energy pulse, although can not cause direct injury to human body, if accidentally touch, then may cause because the indirectly injury such as having strong electrical sensation to slip to drop; Sometimes also can produce electric spark, should not use having under the environment of inflammable gas, also need to keep enough distance with power circuit.
Summary of the invention
Technical matters to be solved by this invention is: a kind of tension electronic fence intrusion detector is provided, and this detector can detect the alerting signal of the number of different types on the tension electronic fence, and accurate locating alarming;
In addition, the present invention also provides a kind of tension electronic fence intrusion detection method, and the method can prepare to detect position and the type of invasion tension electronic fence, and sends warning.
For solving the problems of the technologies described above, the present invention adopts following technical scheme.
A kind of tension electronic fence intrusion detector comprises: tension force detecting module, signal conversion module, host computer control module, power module, alarm module; Described tension force detecting module is connected with tension electronic fence, in order to survey the tension variation of tension electronic fence, draws the tension value feature, generates the tension force voltage signal; Described signal conversion module is communicated by letter with described tension force detecting module and is linked to each other, and amplifies output in order to the tension force voltage signal with the output of tension force detecting module; Described host computer control module is communicated by letter with described signal conversion module and is linked to each other, in order to the tension force voltage signal after amplifying is analyzed judgement, determine size and the situation of change of the tension force of tension electronic fence, simultaneously, compare with the alarming threshold value that sets in advance, judge whether to report to the police; Described power module links to each other with described host computer control module, with thinking the host computer control module power supply; Described alarm module links to each other with described host computer control module, in order to send warning.
As a preferred embodiment of the present invention, described tension electronic fence intrusion detector also comprises: communication module, display module; Described communication module links to each other with described host computer control module, in order to realize the real-time communication of tension electronic fence intrusion detector and external unit; Described display module links to each other with described host computer control module, in order to the current Defence areas alarm state of real-time demonstration, invasion position and power work state.
As another kind of preferred version of the present invention, described signal conversion module comprises a discharge circuit, and described discharge circuit comprises operational amplifier, resistance R 3, resistance R 4, resistance R 7, resistance R 9, capacitor C 11, capacitor C 13; The reverse input end of described operational amplifier links to each other with the output terminal VA1 of tension force detecting module by resistance R 3, and the in the same way input end of operational amplifier links to each other with the output terminal VA2 of tension force detecting module by resistance R 4; The output terminal of operational amplifier meets total output terminal V0 by resistance R 9, and the other end of described resistance R 9 is also by capacitor C 13 ground connection; Be connected with a feedback circuit between operational amplifier output terminal and the reverse input end, described feedback circuit is the circuit of capacitor C 11 and resistance R 7 parallel connections.
As another preferred version of the present invention, described host computer control module comprises an AD modular converter; Described AD modular converter links to each other with described discharge circuit, and in order to the tension force voltage signal after amplifying is carried out the AD conversion, the digital data transmission that will obtain after then will changing analyzes judgement for described host computer control module.
As another preferred version of the present invention, described power module comprises: 220V-20V Industrial Frequency Transformer, rectifier filer, level switch module, the first Voltage stabilizing module, the second Voltage stabilizing module, battery; Described 220V-20V Industrial Frequency Transformer is in order to accessing the 220V alternating current, and the 220V alternating current is carried out the power frequency transform in the 220V-20V voltage range; Described rectifier filer links to each other with described 220V-20V Industrial Frequency Transformer, carries out rectifying and wave-filtering in order to the voltage to the output of 220V-20V Industrial Frequency Transformer and processes; Described level switch module links to each other with described rectifier filer, in order to the voltage modulated behind the rectifying and wave-filtering is become DC voltage; Described the first Voltage stabilizing module links to each other with described level switch module; Described the second Voltage stabilizing module links to each other with described the first Voltage stabilizing module; Described the first Voltage stabilizing module and the second Voltage stabilizing module are in order to change into described DC voltage the operating voltage of host computer control module; The output terminal of described the second Voltage stabilizing module links to each other with described host computer control module; Described battery links to each other with described the first Voltage stabilizing module, in order to adopt powered battery when described tension electronic fence intrusion detector cuts off the power supply.
A kind of tension electronic fence intrusion detection method may further comprise the steps:
As a preferred embodiment of the present invention, described detection method also comprises:
Power supply step: the 220V alternating current is carried out the power frequency transform to 220V-20V voltage, 220V-20V voltage is carried out rectifying and wave-filtering process, the voltage modulated behind the rectifying and wave-filtering is become DC voltage, again DC voltage is changed into the operating voltage that needs;
The stand-by power supply step: the DC voltage that battery is provided changes into the operating voltage that needs;
Step display: the step display that shows in real time current Defence areas alarm state, invasion position and power supply state.
Beneficial effect of the present invention is:
1) stop, the function such as deterrence, warning organically integrates, the mechanical part that exposes is not charged, can not cause direct or indirect injury to human body;
2) can detect the invasion situation of the number of different types on the tension electronic fence, and accurate locating alarming;
3) can guarantee that environmental evolution can not cause the variation of tension force alarm threshold value, environmental suitability is strong, is not afforested, the impact of the environmental factors such as trees and toy, and the impact that not changed by thermal climate is not subjected to the restriction of landform height and tortuous degree yet.
Description of drawings
Fig. 1 is the structured flowchart of tension electronic fence intrusion detector of the present invention;
Fig. 2 is the structured flowchart of signal conversion module of the present invention;
Fig. 3 is the circuit theory diagrams of the discharge circuit in the signal conversion module of the present invention;
Fig. 4 is the structured flowchart of power module of the present invention;
Fig. 5 is the schematic flow sheet of tension electronic fence intrusion detection method of the present invention.
The primary clustering symbol description:
1, tension force detecting module; 2, signal conversion module;
3, host computer control module; 4, power module;
5, communication module; 6, alarm module;
7, display module; 41,220V-20V Industrial Frequency Transformer;
42, rectifier filer; 43, level switch module;
44,12V/7AH battery; 45, the first Voltage stabilizing module;
46, the second Voltage stabilizing module; 31, AD modular converter;
21, discharge circuit.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Embodiment one
Present embodiment provides a kind of tension electronic fence intrusion detector, as shown in Figure 1, comprising: tension force detecting module 1, signal conversion module 2, host computer control module 3, power module 4, communication module 5, alarm module 6, display module 7; Wherein host computer control module 3 links to each other with signal conversion module 2, power module 4, communication module 5, alarm module 6, display module 7 communications respectively, and described tension force detecting module 1 links to each other with signal conversion module 2.
The below describes in detail to modules respectively:
[tension force detecting module 1]
Described tension force detecting module 1 directly is connected by pressure transducer with tension electronic fence, in order to survey the tension variation of tension electronic fence, draws the tension value feature, generates the tension force voltage signal.Described tension force detecting module module adopts the 5V Power supply, surveys in the 120KG scope, and sensitivity can reach 2Mv/1V, has the characteristics of temperature compensation, zero point stability.
Described tension force detecting module is pressure transducer.Described pressure transducer converts force value to electric signal by resistance change.
[signal conversion module 2]
Described signal conversion module 2 links to each other with described tension force detecting module 1 communication, amplifies in order to the tension force voltage signal with 1 output of tension force detecting module to be sent to described host computer control module 3.
Described signal conversion module comprises a discharge circuit 21, and shown in Fig. 2 and 3, described discharge circuit comprises operational amplifier, resistance R 3, R4, R7, R9, capacitor C 11, C13; Wherein the reverse input end of operational amplifier links to each other with the output terminal VA1 of tension force detecting module 1 by resistance R 3, and the in the same way input end of operational amplifier links to each other with the output terminal VA2 of tension force detecting module 1 by resistance R 4; The output terminal of operational amplifier meets total output terminal V0 by resistance R 9, and the other end of described resistance R 9 is also by capacitor C 13 ground connection; Be connected with a feedback circuit between the reverse input end of operational amplifier and the output terminal, described feedback circuit is the circuit of capacitor C 11 and resistance R 7 parallel connections.
The tension force voltage signal of described pressure transducer output terminal VA1, VA2 output becomes voltage VO=VA2+R7* (VA2-VA1)/R3 after amplifying through operational amplifier (IC1/0PS07S).When static, output terminal VA1 equates with the voltage of VA2, all is about 2.5V.The benefit of design is like this: in the working range of voltage at operational amplifier of exporting when pressure transducer is sensed pulling force or pressure, be unlikely to make operational amplifier to lose efficacy.
[host computer control module 3]
Described host computer control module 3 comprises AD modular converter 31 take the PIC16F877 controller as core; Described AD modular converter 31 links to each other 21 with described discharge circuit, in order to the tension force voltage signal after amplifying is carried out the AD conversion.The AD modular converter 31 that the tension force voltage signal of the amplification of described operational amplifier output is input in the host computer control module 3 carries out the AD conversion; 3 pairs of digital signals that obtain by the AD conversion of host computer control module are analyzed judgement, determine the variation of the Tensity size of tension electronic fence, and compare with the alarming threshold value that sets in advance, and judge whether to send warning; Thereby management control alarm module 6 and display module 7.
[power module 4]
As shown in Figure 4, described power module 4 comprises 220V-20V Industrial Frequency Transformer 41, rectifier filer 42, level switch module 43,12V/7AH battery 44, the first Voltage stabilizing module 45 (7809), the second Voltage stabilizing module 46 (7805); Described 220V-20V Industrial Frequency Transformer 41 is in order to accessing the 220V alternating current, and the 220V alternating current is carried out the power frequency transform in the 220V-20V voltage range; Rectifier filer 42 links to each other with described 220V-20V Industrial Frequency Transformer 41, carries out rectifying and wave-filtering in order to the voltage to 41 outputs of 220V-20V Industrial Frequency Transformer and processes; Level switch module 43 links to each other with rectifier filer 42, in order to the voltage modulated behind the rectifying and wave-filtering is become DC15V voltage; Described the first Voltage stabilizing module 45 links to each other with level switch module 43, and the second Voltage stabilizing module 46 links to each other with the first Voltage stabilizing module 45, and described the first Voltage stabilizing module 45 and the second Voltage stabilizing module 46 are in order to change into described DC15V voltage the operating voltage of host computer control module 3; Described the first Voltage stabilizing module 45 also links to each other with described 12V/7AH battery 44, in order to adopt powered battery when described tension electronic fence intrusion detector cuts off the power supply.
[communication module 5]
Described communication module 5 links to each other with host computer control module 3, and it adopts MAX485 master chip communication mechanism, utilizes difference half-duplex principle, has the characteristics such as transfer rate height, distance.Described communication module 5 is in order to the real-time communication of realization with external unit.
[alarm module 6]
Described alarm module 6 links to each other with host computer control module 3, and described alarm module adopts relay isolation output, produces corresponding alarm output signal by host computer control module.
Described alarm module 6 comprises hummer and infrared emission and infrared reception correlation module; Described hummer links to each other with host computer control module 3, in order to the alarm of sounding; Described infrared emission links to each other with host computer control module 3 with infrared reception correlation module, in order to illegal dismounting equipment is produced alerting signal.
[display module 7]
In conjunction with shown in Figure 3, described display module 7 links to each other with host computer control module 3, and it adopts LED to realize the demonstration of defence area duty, can show in real time current Defence areas alarm state, invasion position and power work state.
The functions such as tension electronic fence intrusion detector handle of the present invention stops, deterrence, warning organically integrate, that a kind of brand-new intelligent circumference stops the security alarm product, guaranteed that environmental evolution can not cause the variation of tension force alarm threshold value, changed thoroughly that circumference Safety defence detector environmental suitability in the past is poor, the shortcoming of easy wrong report.
Embodiment two
Present embodiment provides a kind of detection method of embodiment one described tension electronic fence intrusion detector, and the flow process of this detection method may further comprise the steps as shown in Figure 5:
Described tension force detecting module is surveyed the tension variation of tension electronic fence, draws the tension value feature, generates the tension force voltage signal;
Described signal conversion module amplifies output with the tension force voltage signal of tension force detecting module output;
AD modular converter in the described host computer control module at first carries out the AD conversion to the tension force voltage signal after amplifying, then the digital signal that will obtain after host computer control module will be changed is carried out sampling analysis and is processed, actual operating position according to tension electronic fence, to the default address date in defence area, to the default static tension value data of tension electronic fence, relaxation data, cut off data and alarm threshold value data etc., the data that in real time uninterrupted supervision and sampling tension force detecting module gather, compare judgement with preset data, determine tension variation position and the reason of tension electronic fence, send corresponding alerting signal;
Described alarm module receives described alerting signal and sends warning;
Described power module is the host computer control module power supply; 220V-20V Industrial Frequency Transformer in the described power module accesses the 220V alternating current, and the 220V alternating current is carried out the power frequency transform to 220V-20V voltage; Rectifier filer in the described power module carries out the rectifying and wave-filtering processing to the voltage of 220V-20V Industrial Frequency Transformer output; The voltage modulated of level switch module in the described power module after with rectifying and wave-filtering becomes DC voltage; The first Voltage stabilizing module in the described power module and the second Voltage stabilizing module change into described DC voltage the operating voltage of host computer control module; Battery in the described power module when the outage of described tension electronic fence intrusion detector as stand-by power supply.
Described communication module is realized the real-time communication of tension electronic fence intrusion detector and external unit;
Described display module shows current Defence areas alarm state, invasion position and power work state in real time.
Embodiment three
Present embodiment provides a kind of tension electronic fence intrusion detection method, may further comprise the steps:
Power supply step: the 220V alternating current is carried out the power frequency transform to 220V-20V voltage, 220V-20V voltage is carried out rectifying and wave-filtering process, the voltage modulated behind the rectifying and wave-filtering is become DC voltage, again DC voltage is changed into the operating voltage that needs.
The stand-by power supply step: the DC voltage that battery is provided changes into the operating voltage that needs.
Step display: the step display that shows in real time current Defence areas alarm state, invasion position and power supply state.
Description of the invention and application are illustrative, are not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that in the situation that does not break away from spirit of the present invention or essential characteristic, and the present invention can be with other forms, structure, layout, ratio, and realize with other elements, material and parts.
Claims (7)
1. a tension electronic fence intrusion detector is characterized in that, comprising:
The tension force detecting module is connected with tension electronic fence by pressure transducer, in order to survey the tension variation of tension electronic fence, draws the tension value feature, generates the tension force voltage signal;
The signal conversion module, communicating by letter with described tension force detecting module links to each other, and amplifies output in order to the tension force voltage signal with the output of tension force detecting module;
Host computer control module, communicating by letter with described signal conversion module links to each other, in order to the tension force voltage signal after amplifying is analyzed judgement, determine size and the situation of change of the tension force of tension electronic fence, simultaneously, compare with the alarming threshold value that sets in advance, judge whether to report to the police;
Power module links to each other with described host computer control module, with thinking the host computer control module power supply;
Alarm module links to each other with described host computer control module, in order to send warning.
2. tension electronic fence intrusion detector according to claim 1 is characterized in that, described tension electronic fence intrusion detector also comprises:
Communication module links to each other with described host computer control module, in order to realize the real-time communication of tension electronic fence intrusion detector and external unit;
Display module links to each other with described host computer control module, in order to the current Defence areas alarm state of real-time demonstration, invasion position and power work state.
3. tension electronic fence intrusion detector according to claim 1, it is characterized in that: described signal conversion module comprises a discharge circuit, described discharge circuit comprises operational amplifier, resistance R 3, resistance R 4, resistance R 7, resistance R 9, capacitor C 11, capacitor C 13; The reverse input end of described operational amplifier links to each other with the output terminal VA1 of tension force detecting module by resistance R 3, and the in the same way input end of operational amplifier links to each other with the output terminal VA2 of tension force detecting module by resistance R 4; The output terminal of operational amplifier meets total output terminal V0 by resistance R 9, and the other end of described resistance R 9 is also by capacitor C 13 ground connection; Be connected with a feedback circuit between operational amplifier output terminal and the reverse input end, described feedback circuit is the circuit of capacitor C 11 and resistance R 7 parallel connections.
4. tension electronic fence intrusion detector according to claim 3, it is characterized in that: described host computer control module comprises an AD modular converter; Described AD modular converter links to each other with described discharge circuit, and in order to the tension force voltage signal after amplifying is carried out the AD conversion, the digital data transmission that will obtain after then will changing analyzes judgement for described host computer control module.
5. tension electronic fence intrusion detector according to claim 1 is characterized in that, described power module comprises:
The 220V-20V Industrial Frequency Transformer in order to accessing the 220V alternating current, and carries out the power frequency transform in the 220V-20V voltage range with the 220V alternating current;
Rectifier filer links to each other with described 220V-20V Industrial Frequency Transformer, carries out rectifying and wave-filtering in order to the voltage to the output of 220V-20V Industrial Frequency Transformer and processes;
Level switch module links to each other with described rectifier filer, in order to the voltage modulated behind the rectifying and wave-filtering is become DC voltage;
The first Voltage stabilizing module links to each other with described level switch module;
The second Voltage stabilizing module links to each other with described the first Voltage stabilizing module;
Described the first Voltage stabilizing module and the second Voltage stabilizing module are in order to change into described DC voltage the operating voltage of host computer control module; The output terminal of described the second Voltage stabilizing module links to each other with described host computer control module;
Battery links to each other with described the first Voltage stabilizing module, in order to adopt powered battery when described tension electronic fence intrusion detector cuts off the power supply.
6. a tension electronic fence intrusion detection method is characterized in that, may further comprise the steps:
Step 1, the tension variation of detection tension electronic fence draws the tension value feature, generates the tension force voltage signal;
Step 2 is with the tension force voltage signal amplification of tension force detecting module output;
Step 3 converts the tension force voltage signal after amplifying to digital signal and analyzes judgement, determines tension variation position and the reason of tension electronic fence, sends intrusion alarm.
7. tension electronic fence intrusion detection method according to claim 6 is characterized in that described method also comprises:
Power supply step: the 220V alternating current is carried out the power frequency transform to 220V-20V voltage, 220V-20V voltage is carried out rectifying and wave-filtering process, the voltage modulated behind the rectifying and wave-filtering is become DC voltage, again DC voltage is changed into the operating voltage that needs;
The stand-by power supply step: the DC voltage that battery is provided changes into the operating voltage that needs;
Step display: the step display that shows in real time current Defence areas alarm state, invasion position and power supply state.
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| CN201110296214.4A CN103035091B (en) | 2011-09-30 | 2011-09-30 | Intrusion detector and detection method for tension electronic fences |
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| CN201110296214.4A CN103035091B (en) | 2011-09-30 | 2011-09-30 | Intrusion detector and detection method for tension electronic fences |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103679998A (en) * | 2013-11-30 | 2014-03-26 | 成都科泰地理信息技术有限公司 | Linked warning security and protection fence utilizing cellphone as control terminal |
| CN103669993A (en) * | 2013-11-30 | 2014-03-26 | 四川邮科通信技术有限公司 | Security fence with automatic alarm function |
| CN103778738A (en) * | 2014-02-28 | 2014-05-07 | 四川为民科技有限公司 | Tension type fence controller |
| CN105528844A (en) * | 2014-09-29 | 2016-04-27 | 镇江石鼓文智能化系统开发有限公司 | Electronic fence video monitoring system |
| CN108983667A (en) * | 2018-08-01 | 2018-12-11 | 惠州市德赛西威汽车电子股份有限公司 | Realize the method and its level shifting circuit of peripheral hardware and vehicle module one-way communication |
| CN110018657A (en) * | 2019-04-10 | 2019-07-16 | 东莞市拓天智能科技有限公司 | A kind of tension electronic fence system |
| CN110706442A (en) * | 2019-09-27 | 2020-01-17 | 北京深蓝同创科技有限公司 | Capacitance induction type detection system |
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| US7409157B2 (en) * | 2004-09-02 | 2008-08-05 | Oki Electric Industry Co. | Optical switch |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103679998A (en) * | 2013-11-30 | 2014-03-26 | 成都科泰地理信息技术有限公司 | Linked warning security and protection fence utilizing cellphone as control terminal |
| CN103669993A (en) * | 2013-11-30 | 2014-03-26 | 四川邮科通信技术有限公司 | Security fence with automatic alarm function |
| CN103778738A (en) * | 2014-02-28 | 2014-05-07 | 四川为民科技有限公司 | Tension type fence controller |
| CN103778738B (en) * | 2014-02-28 | 2016-06-15 | 四川为民科技有限公司 | A kind of tension rail controller |
| CN105528844A (en) * | 2014-09-29 | 2016-04-27 | 镇江石鼓文智能化系统开发有限公司 | Electronic fence video monitoring system |
| CN108983667A (en) * | 2018-08-01 | 2018-12-11 | 惠州市德赛西威汽车电子股份有限公司 | Realize the method and its level shifting circuit of peripheral hardware and vehicle module one-way communication |
| CN110018657A (en) * | 2019-04-10 | 2019-07-16 | 东莞市拓天智能科技有限公司 | A kind of tension electronic fence system |
| CN110706442A (en) * | 2019-09-27 | 2020-01-17 | 北京深蓝同创科技有限公司 | Capacitance induction type detection system |
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