CN202268038U - Tension electronic fence intrusion detector - Google Patents
Tension electronic fence intrusion detector Download PDFInfo
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- CN202268038U CN202268038U CN2011203754905U CN201120375490U CN202268038U CN 202268038 U CN202268038 U CN 202268038U CN 2011203754905 U CN2011203754905 U CN 2011203754905U CN 201120375490 U CN201120375490 U CN 201120375490U CN 202268038 U CN202268038 U CN 202268038U
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Abstract
The utility model discloses a tension electronic fence intrusion detector. The detector comprises a tension detection module, a signal conversion module, a host control module, a power supply module and an alarm module, wherein the tension detection module is connected with a tension electronic fence and used for detecting changes of tension of the tension electronic fence, further getting features of a tension value and generating a tension voltage signal; the signal conversion module is in communication connection with the tension detection module and used for amplifying and outputting the tension voltage signal output by the tension detection module; the host control module is in communication connection with the signal conversion module and used for performing analysis and judgment on the tension voltage signal after amplification, determining the positions and reasons of the changes of tension of the tension electronic fence and emitting an alarm signal; the power supply module is connected with the host control module and used for supplying power to the host control module; and the alarm module is connected with the host control module and used for receiving the alarm signal and emitting an alarm. The tension electronic fence intrusion detector disclosed by the utility model can detect various different types of intrusion situations on the tension electronic fence to perform accurate positioning and alarm, and can not be affected by the environment easily.
Description
Technical field
The utility model belongs to the electronic communication field, relates to a kind of detector, relates in particular to a kind of strain electronic fence intrusion detector.
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 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 the two mirror technology of infrared detection technique and infrared microwave to survey now, major product has infrared correlation intrusion detector and infrared correlation grating, but these infrared acquisition products are higher to environment requirement; 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, be easy to generate wrong report information, and rate of false alarm is very high.
Boundary defence product commonly used now is a high-voltage pulse strain electronic fence; It adopts high voltage, low-energy pulse; Though can not cause direct injury,, then possibly cause because of indirect injury such as having strong electrical sensation to slip to drop if touch accidentally to human body; Sometimes also can produce electric spark, should not use under the environment of inflammable gas arranged, also need and power circuit keep enough distances.
The utility model content
The utility model technical matters to be solved is: a kind of strain electronic fence intrusion detector is provided, and this detector can detect the alerting signal of the number of different types on the strain electronic fence, and accurate locating alarming.
For solving the problems of the technologies described above, the utility model adopts following technical scheme.
A kind of strain electronic fence intrusion detector comprises: tension force detecting module, signal conversion module, host computer control module, power module, alarm module; Said tension force detecting module is connected with the strain electronic fence, in order to survey the tension variation of strain electronic fence, draws the tension value characteristic, generates the tension force voltage signal; Said signal conversion module is communicated by letter with said 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; Said host computer control module is communicated by letter with said signal conversion module and is linked to each other; In order to the tension force voltage signal after amplifying is carried out analysis and judgement, confirm the size and the situation of change of the tension force of strain electronic fence, simultaneously; Compare with the alarming threshold value that is provided with in advance, judge whether to report to the police; Said power module links to each other with said host computer control module, with thinking the host computer control module power supply; Said alarm module links to each other with said host computer control module, in order to send warning.
As a kind of preferred version of the utility model, said strain electronic fence intrusion detector also comprises: communication module, display module; Said communication module links to each other with said host computer control module, in order to realize the real-time communication of strain electronic fence intrusion detector and external unit; Said display module links to each other with said host computer control module, in order to the current Defence areas alarm state of real-time demonstration, invasion position and power work state.
As the another kind of preferred version of the utility model, said signal conversion module comprises a discharge circuit, and said 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 said operational amplifier links to each other with the output terminal VA1 of tension force detecting module through resistance R 3, and the input end in the same way of operational amplifier links to each other with the output terminal VA2 of tension force detecting module through resistance R 4; The output terminal of operational amplifier meets total output terminal VO through resistance R 9, and the other end of said resistance R 9 is also through capacitor C 13 ground connection; Be connected with a feedback circuit between operational amplifier output terminal and the reverse input end, said feedback circuit is the circuit of capacitor C 11 and resistance R 7 parallel connections.
As another preferred version of the utility model, said host computer control module comprises an AD modular converter; Said AD modular converter links to each other with said discharge circuit, in order to the tension force voltage signal after amplifying is carried out the AD conversion, will change the digital data transmission of back acquisition then and carry out analysis and judgement for said host computer control module.
As another preferred version of the utility model, said power module comprises: 220V-20V Industrial Frequency Transformer, rectifier filer, level switch module, first Voltage stabilizing module, second Voltage stabilizing module, battery; Said 220V-20V Industrial Frequency Transformer is in order to inserting the 220V alternating current, and the 220V alternating current is carried out the power frequency transform in the 220V-20V voltage range; Said rectifier filer links to each other with said 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 handles; Said level switch module links to each other with said rectifier filer, in order to the voltage modulated behind the rectifying and wave-filtering is become DC voltage; Said first Voltage stabilizing module links to each other with said level switch module; Said second Voltage stabilizing module links to each other with said first Voltage stabilizing module; Said first Voltage stabilizing module and second Voltage stabilizing module are in order to change into said DC voltage the WV of host computer control module; The output terminal of said second Voltage stabilizing module links to each other with said host computer control module; Said battery links to each other with said first Voltage stabilizing module, in order to when said strain electronic fence intrusion detector cuts off the power supply, to adopt powered battery.
The beneficial effect of the utility model is:
1) stop, 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 strain electronic fence, and accurate locating alarming;
3) variation that can guarantee environment can not cause the variation of tension force alarm threshold value, and environmental suitability is strong, does not receive Effect of Environmental such as greening, trees and toy, does not receive the influence of temperature climate change, does not receive the restriction of landform height and tortuous degree yet.
Description of drawings
Fig. 1 is the structured flowchart of the described strain electronic fence of the utility model intrusion detector;
Fig. 2 is the structured flowchart of the described signal conversion module of the utility model;
Fig. 3 is the circuit theory diagrams of the discharge circuit in the described signal conversion module of the utility model;
Fig. 4 is the structured flowchart of the described power module of the utility model;
Fig. 5 is the schematic flow sheet of the described strain electronic fence of the utility model intrusion detection method.
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, first Voltage stabilizing module;
46, second Voltage stabilizing module; 31, AD modular converter;
21, discharge circuit.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done further explain.
Embodiment one
Present embodiment provides a kind of strain electronic fence intrusion detector, and is 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 said tension force detecting module 1 links to each other with signal conversion module 2.
Respectively each module is described in detail below:
[tension force detecting module 1]
Said tension force detecting module 1 directly is connected through pressure transducer with the strain electronic fence, in order to survey the tension variation of strain electronic fence, draws the tension value characteristic, generates the tension force voltage signal.Said tension force detecting module module adopts the power supply of 5V power supply, surveys in the 120KG scope, and sensitivity can reach 2Mv/1V, has the characteristics of temperature compensation, zero point stability.
Said tension force detecting module is a pressure transducer.Said pressure transducer converts force value to electric signal through resistance change.
[signal conversion module 2]
Said signal conversion module 2 links to each other with said 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 said host computer control module 3.
Said signal conversion module comprises a discharge circuit 21, and shown in Fig. 2 and 3, said 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 through resistance R 3, and the input end in the same way of operational amplifier links to each other with the output terminal VA2 of tension force detecting module 1 through resistance R 4; The output terminal of operational amplifier meets total output terminal VO through resistance R 9, and the other end of said resistance R 9 is also through capacitor C 13 ground connection; Be connected with a feedback circuit between the reverse input end of operational amplifier and the output terminal, said feedback circuit is the circuit of capacitor C 11 and resistance R 7 parallel connections.
The tension force voltage signal of said pressure transducer output terminal VA1, VA2 output becomes voltage VO=VA2+R7* (VA2-VA1)/R3 after amplifying through operational amplifier (IC1/OPS07S).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 when pressure transducer is sensed pulling force or pressure, exporting, be unlikely to make operational amplifier to lose efficacy.
[host computer control module 3]
Said host computer control module 3 is a core with the PIC16F877 controller, comprises AD modular converter 31; Said AD modular converter 31 links to each other 21 with said 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 said operational amplifier output is input in the host computer control module 3 carries out the AD conversion; 3 pairs of digital signals that obtain through the AD conversion of host computer control module are carried out analysis and judgement, confirm the variation of the tension force size of strain electronic fence, and compare with the alarming threshold value that is provided with in advance, judge whether to send warning; Thereby management control warning module 6 and display module 7.
[power module 4]
As shown in Figure 4, said power module 4 comprises 220V-20V Industrial Frequency Transformer 41, rectifier filer 42, level switch module 43,12V/7AH battery 44, first Voltage stabilizing module 45 (7809), second Voltage stabilizing module 46 (7805); Said 220V-20V Industrial Frequency Transformer 41 is in order to inserting 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 said 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 handles; 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; Said first Voltage stabilizing module 45 links to each other with level switch module 43, and second Voltage stabilizing module 46 links to each other with first Voltage stabilizing module 45, and said first Voltage stabilizing module 45 and second Voltage stabilizing module 46 are in order to change into said DC15V voltage the WV of host computer control module 3; Said first Voltage stabilizing module 45 also links to each other with said 12V/7AH battery 44, in order to when said strain electronic fence intrusion detector cuts off the power supply, to adopt powered battery.
[communication module 5]
Said 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 characteristics such as transfer rate height, distance.Said communication module 5 is in order to the real-time communication of realization with external unit.
[alarm module 6]
Said alarm module 6 links to each other with host computer control module 3, and said alarm module adopts relay to isolate output, produces corresponding alarm output signal by host computer control module.
Said alarm module 6 comprises hummer and infrared emission and infrared reception correlation module; Said hummer links to each other with host computer control module 3, in order to the alarm of sounding; Said 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, said 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 current Defence areas alarm state, invasion position and power work state in real time.
Functions such as the described strain electronic fence of the utility model intrusion detector handle stops, deterrence, warning organically integrate; Be that a kind of brand-new intelligent circumference stops the security alarm product; The variation of having guaranteed environment can not cause the variation of tension force alarm threshold value, has thoroughly changed the shortcoming that circumference Safety defence detector environmental suitability in the past is poor, be prone to wrong report.
Embodiment two
Present embodiment provides a kind of detection method of embodiment one described strain electronic fence intrusion detector, and the flow process of this detection method is as shown in Figure 5, may further comprise the steps:
Said tension force detecting module is surveyed the tension variation of strain electronic fence, draws the tension value characteristic, generates the tension force voltage signal;
Said signal conversion module amplifies output with the tension force voltage signal of tension force detecting module output;
AD modular converter in the said host computer control module at first carries out the AD conversion to the tension force voltage signal after amplifying; The digital signal that will obtain after host computer control module will be changed is then carried out sampling analysis and is handled; According to the actual operating position of strain electronic fence,, the strain electronic fence is preset static tension value data, relaxation data, cut off data and alarm threshold value data etc. the preset address date in defence area; The uninterrupted in real time data of keeping watch on and sampling the collection of tension force detecting module; Compare judgement with preset data, confirm the tension variation position and the reason of strain electronic fence, send corresponding alerting signal;
Said alarm module receives said alerting signal and sends warning;
Said power module is the host computer control module power supply; 220V-20V Industrial Frequency Transformer in the said power module inserts the 220V alternating current, and the 220V alternating current is carried out the power frequency transform to 220V-20V voltage; Rectifier filer in the said 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 said power module after with rectifying and wave-filtering becomes DC voltage; First Voltage stabilizing module in the said power module and second Voltage stabilizing module change into said DC voltage the WV of host computer control module; Battery in the said power module when the outage of said strain electronic fence intrusion detector as stand-by power supply.
Said communication module is realized the real-time communication of strain electronic fence intrusion detector and external unit;
Said 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 strain 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 handle, the voltage modulated behind the rectifying and wave-filtering is become DC voltage, again DC voltage is changed into the WV that needs.
The stand-by power supply step: the DC voltage that battery is provided changes into the WV that needs.
Step display: the step display that shows current Defence areas alarm state, invasion position and power supply state in real time.
Description of the utility model and application are illustrative, are not to want the scope of the utility model is limited in the above-described embodiments.Here the distortion of the embodiment that is disclosed and change are possible, and the replacement of embodiment is known with the various parts of equivalence for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation of spirit that does not break away from the utility model or essential characteristic, and the utility model can be with other forms, structure, layout, ratio, and realize with other elements, material and parts.
Claims (4)
1. a strain electronic fence intrusion detector is characterized in that, comprising:
The tension force detecting module is connected with the strain electronic fence through pressure transducer, in order to survey the tension variation of strain electronic fence, draws the tension value characteristic, generates the tension force voltage signal;
The signal conversion module, communicating by letter with said 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 said signal conversion module links to each other, in order to the tension force voltage signal after amplifying is carried out analysis and judgement; Confirm the size and the situation of change of the tension force of strain electronic fence; Simultaneously, compare, judge whether to report to the police with the alarming threshold value that is provided with in advance;
Power module links to each other with said host computer control module, with thinking the host computer control module power supply;
Alarm module links to each other with said host computer control module, in order to send warning.
2. strain electronic fence intrusion detector according to claim 1 is characterized in that, said strain electronic fence intrusion detector also comprises:
Communication module links to each other with said host computer control module, in order to realize the real-time communication of strain electronic fence intrusion detector and external unit;
Display module links to each other with said host computer control module, in order to the current Defence areas alarm state of real-time demonstration, invasion position and power work state.
3. strain electronic fence intrusion detector according to claim 1; It is characterized in that: said signal conversion module comprises a discharge circuit; Said 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 said operational amplifier links to each other with the output terminal VA1 of tension force detecting module through resistance R 3, and the input end in the same way of operational amplifier links to each other with the output terminal VA2 of tension force detecting module through resistance R 4; The output terminal of operational amplifier meets total output terminal VO through resistance R 9, and the other end of said resistance R 9 is also through capacitor C 13 ground connection; Be connected with a feedback circuit between operational amplifier output terminal and the reverse input end, said feedback circuit is the circuit of capacitor C 11 and resistance R 7 parallel connections.
4. strain electronic fence intrusion detector according to claim 3 is characterized in that: said host computer control module comprises an AD modular converter; Said AD modular converter links to each other with said discharge circuit, in order to the tension force voltage signal after amplifying is carried out the AD conversion, will change the digital data transmission of back acquisition then and carry out analysis and judgement for said host computer control module.V5, strain electronic fence intrusion detector according to claim 1 is characterized in that said power module comprises:
The 220V-20V Industrial Frequency Transformer in order to inserting 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 said 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 handles;
Level switch module links to each other with said rectifier filer, in order to the voltage modulated behind the rectifying and wave-filtering is become DC voltage;
First Voltage stabilizing module links to each other with said level switch module;
Second Voltage stabilizing module links to each other with said first Voltage stabilizing module;
Said first Voltage stabilizing module and second Voltage stabilizing module are in order to change into said DC voltage the WV of host computer control module; The output terminal of said second Voltage stabilizing module links to each other with said host computer control module;
Battery links to each other with said first Voltage stabilizing module, in order to when said strain electronic fence intrusion detector cuts off the power supply, to adopt powered battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203754905U CN202268038U (en) | 2011-09-30 | 2011-09-30 | Tension electronic fence intrusion detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203754905U CN202268038U (en) | 2011-09-30 | 2011-09-30 | Tension electronic fence intrusion detector |
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| Publication Number | Publication Date |
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| CN202268038U true CN202268038U (en) | 2012-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203754905U Expired - Lifetime CN202268038U (en) | 2011-09-30 | 2011-09-30 | Tension electronic fence intrusion detector |
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| CN (1) | CN202268038U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035091A (en) * | 2011-09-30 | 2013-04-10 | 上海广拓信息技术有限公司 | Intrusion detector and detection method for tension electronic fences |
| CN103543724A (en) * | 2013-10-23 | 2014-01-29 | 国家电网公司 | Fence monitoring device and fence |
| CN105046858A (en) * | 2015-06-01 | 2015-11-11 | 北京航天易联科技发展有限公司 | Fiber boundary collector |
| CN105469536A (en) * | 2015-11-24 | 2016-04-06 | 国网河南省电力公司平顶山供电公司 | Method of preventing live-line grounding working and apparatus thereof |
| CN112964400A (en) * | 2021-02-25 | 2021-06-15 | 杭州凡泰塑业有限公司 | Pressure alarm device of protection rail |
-
2011
- 2011-09-30 CN CN2011203754905U patent/CN202268038U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035091A (en) * | 2011-09-30 | 2013-04-10 | 上海广拓信息技术有限公司 | Intrusion detector and detection method for tension electronic fences |
| CN103035091B (en) * | 2011-09-30 | 2015-07-01 | 上海广拓信息技术有限公司 | Intrusion detector and detection method for tension electronic fences |
| CN103543724A (en) * | 2013-10-23 | 2014-01-29 | 国家电网公司 | Fence monitoring device and fence |
| CN105046858A (en) * | 2015-06-01 | 2015-11-11 | 北京航天易联科技发展有限公司 | Fiber boundary collector |
| CN105046858B (en) * | 2015-06-01 | 2017-10-31 | 北京航天易联科技发展有限公司 | A kind of optical fiber perimeter collecting device |
| CN105469536A (en) * | 2015-11-24 | 2016-04-06 | 国网河南省电力公司平顶山供电公司 | Method of preventing live-line grounding working and apparatus thereof |
| CN112964400A (en) * | 2021-02-25 | 2021-06-15 | 杭州凡泰塑业有限公司 | Pressure alarm device of protection rail |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20120606 |
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| CX01 | Expiry of patent term |