CN101639961A - Detection alarm method and system thereof - Google Patents
Detection alarm method and system thereof Download PDFInfo
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- CN101639961A CN101639961A CN200910092400A CN200910092400A CN101639961A CN 101639961 A CN101639961 A CN 101639961A CN 200910092400 A CN200910092400 A CN 200910092400A CN 200910092400 A CN200910092400 A CN 200910092400A CN 101639961 A CN101639961 A CN 101639961A
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- 230000009977 dual effect Effects 0.000 claims description 8
- 230000005622 photoelectricity Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 2
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Abstract
The invention relates to the detection technical field, in particular to a detection alarm method which can significantly reduce motion detection false alarm rate, and a system thereof. The method comprises the following steps: detecting a monitoring area with two or more different types of detectors; inputting the detection result of the different types of the detectors into a computation modulefor logical AND operation; and outputting an alarm signal if the result shows that the different types of the detectors are all triggered in the logical AND operation, otherwise, not outputting the alarm signal. By taking photoelectric motion detection, microwave field motion detection, infrared filed motion detection and ultrasonic wave field motion detection in a video as a complex alarm detection source, the method help effectively reduce the false alarm rate of a single physical detection mean, significantly utilize the advantage of various physical detection means such as integration composition, improve detection accuracy of the system on personnel moving targets in a prohibited involving area, and reduce invalid information output of false alarm.
Description
Technical field
The present invention relates to the Detection Techniques field, the especially a kind of detection alarm method and system that can reduce mobile detection rate of false alarm significantly.
Background technology
Rapid development along with the 21st century infotech, intelligent security and guard technology is along with science and technology development has marched toward a brand-new field, public security protection of outdoor type at present and industrial security protection personnel forbid involving in the detection in the zone, most of outdoor type passive infrared invasion detector that adopts, outdoor type microwave intrusion detector, outdoor type passive infrared-microwave intrusion detector, outdoor type supersonic invasion detector and camera acquisition image, carry out the way of photoelectricity comparison formula mobile detection, these methods in actual applications, all there is certain rate of false alarm, particularly non-image detection method, after reporting by mistake, can't differentiate the scene and whether really have the invasion situation.For many terminal users or systems engineering merchant, wrong report, the rate of failing to report of guard against theft and alarm system are excessive, allow them endlessly vexed already.
At present, most of producer is intrusion detection, be summed up as sensor and move detection and two kinds of modes of image mobile detection (photoelectricity comparison method), sensor moves detection and mainly comprises passive infrared invasion detection, microwave intrusion detection, infrared-microwave intrusion detection and supersonic invasion detection method.In use, also all take the single detective mode, therefore, in actual applications, use passive type Infrared Intrusion Detection mode to cause false alarm separately because of the thermal current that constantly changes; The motor reflex body that the ionized gas that uses microwave intrusion detection mode easily to produce owing to glow discharge spot lamp (as: daylight lamp, mercury vapor lamp) separately becomes microwave easily causes the wrong report of microwave intrusion detector; And use the supersonic invasion detection mode can be separately because outside noise, numerous citations such as the temperature of the blocking of object, air and relative humidity on every side cause wrong report; And use image mobile detection mode very easily to cause wrong report separately owing to the invasion of non-human body, and such as: the variation that animal enters monitored area, cloud causes the power of light to change or the like.
In sum, all there is the too high problem of rate of false alarm in the single detective mode that is adopted in the prior art, and the mode that the result of detection that only relies on the single detective mode to obtain sends alerting signal can't satisfy the requirement of present safety-security area to the warning precision far away.
Summary of the invention
The object of the invention is to provide a kind of detection alarm method and system, to overcome the defective that exists rate of false alarm too high in the prior art.
For achieving the above object, the invention provides a kind of detection alarm method, comprise the steps:
Step 1: adopt two or more dissimilar detectors that the monitored area is surveyed;
Step 2: the result of detection input computing module of described dissimilar detector is carried out logic and operation;
Step 3: in described logic and operation, if the result all is triggered for described dissimilar detector, output alarm signal then; Otherwise output alarm signal not.
Described dissimilar detector comprises image mobile detector, ultrasonic detector, infrared eye and microwave detector;
Described image mobile detector is surveyed according to photoelectricity comparison principle;
Described image mobile detector is provided with the video camera of Tape movement detecting function, or video camera is connected to the video server of mobile detection function.
Described detector also comprises the dual technology detector of infrared ray+microwave;
The dual technology detector of described infrared ray+microwave is used for by surveying existence or mobile detect of heat and microwave variation to the biosome of monitored area.
In addition, the present invention also provides a kind of detecting and warning system, it is characterized in that, described system comprises detector and the complex probe device that two or more are dissimilar, wherein, described complex probe device is used for result of detection actuating logic and the computing to each detector, whether determines output alarm signal according to the result of described logic and operation.
Described dissimilar detector comprises image mobile detector, ultrasonic detector, infrared eye and microwave detector.
Described image mobile detector is surveyed according to photoelectricity comparison principle;
Described image mobile detector is provided with the video camera of Tape movement detecting function, or video camera is connected to the video server of mobile detection function.
Described detector also comprises the dual technology detector of infrared ray+microwave;
The dual technology detector of described infrared ray+microwave is used for by surveying existence or mobile detect of heat and microwave variation to the biosome of monitored area.
Described complex probe device can be built by pure logic level, has the logic and operation function.
Described complex probe device also can be built by central processing unit able to programme or micro-control unit single-chip microcomputer integrated circuit, has the logic and operation function, its output result RS232 interface output by described integrated circuit of reporting to the police.
Described complex probe device also can be made of video server, has the logic and operation function, and alarming result is by the network interface RJ45 port output of described video server.
The present invention is by utilizing photoelectricity mobile detection in the video, microwave field mobile detection, infrared mobile detection and ultrasonic wave field mobile detection as the combinde alarms detection source, forbid involving in the zone under the on-line monitoring outdoor location condition, reduced the rate of false alarm of single one physical detection means effectively, maximally utilise various physical detecting means advantages, integrated compound, the raising system is for forbidding involving in the zone, and the detection accuracy rate of personnel movement target reduces the output of false alarm invalid information.From the actual verification effect, complex probe warning system provided by the present invention for the sudden change of sunlight on daytime, aerial floating thing, toy move, outdoor disturbing factors such as temperature shock, high light disturbance in night, have the ability that suppresses more by force.Technical scheme proposed by the invention will forbid involving in regionally detecting and related corresponding industrial control field with it to the outdoor environment personnel, realize that online automatic monitor for continuously and emergency advance warning provide brand-new supporting method.
Description of drawings
Fig. 1 is the technical schematic diagram in the technical solution of the present invention;
Wherein,
1 is the monitored area: personnel forbid involving in the zone of zone or restriction turnover;
2 are the spatial movement controller: refer to that the video camera of Tape movement detecting function or video camera link to the video server of mobile detection function according to the parts of photovoltaic principals detection;
3 are passive infrared invasion detector: also can be the two mirror intrusion detectors of passive infrared+microwave;
4 are the microwave intrusion detector: also can be the two mirror intrusion detectors of passive infrared+microwave;
5 is ultrasonic intrusion detector;
6 is compound mobile detection intrusion detector;
Fig. 2 is the complex probe alarm that constitutes according to pure logic level in the technical solution of the present invention;
Fig. 3 is the complex probe alarm that constitutes according to single-chip microcomputer in the technical solution of the present invention;
Fig. 4 is the complex probe alarm that constitutes according to video server in the technical solution of the present invention.
Embodiment
For making purpose of the present invention, content and advantage clearer,, the specific embodiment of the present invention is described in further detail below in conjunction with drawings and Examples.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
Embodiment 1
Present embodiment has specifically described the know-why that complex probe is reported to the police in the technical solution of the present invention.
As shown in Figure 1; 1 this zone of expression is positioned at the protected location; the forbidden zone personnel come in and go out and are subjected to strict restriction; be that personnel forbid involving in the zone; 2-5 is presentation video mobile detection intrusion detector and infrared respectively; microwave; non-image mobile detection intrusion detector such as ultrasound wave; with image mobile detection intrusion detector and infrared; microwave; after non-image mobile detection intrusion detector such as ultrasound wave is connected to warning input interface on the intrusion detector 6 of compound mobile detection, by the intrusion detector of compound mobile detection to image mobile detection intrusion detector and infrared; microwave; the detecting result of non-image mobile detection intrusion detector such as ultrasound wave carries out internal arithmetic.Performed internal arithmetic can be ' logical and ' computing, be non-image mobile detection intrusion detectors such as image mobile detection intrusion detector and infrared, microwave, ultrasound wave, when being triggered simultaneously, then the intrusion detector of compound mobile detection is exported a warning useful signal; And if have an intrusion detector not to be triggered, then all can not output alarm signal.
Next the technical solution of the present invention contrast technological achievement that prior art had is described.
| Sequence number | Item compared | The video mobile detection | Microwave/infrared detecting | Compound detecting |
| ??1 | Outdoor light changes | Wrong report | Unaffected | Unaffected |
| ??2 | Strong sunlight disturbs | Wrong report | Unaffected | Unaffected |
| ??3 | Local temperature changes | Unaffected | Unaffected | Unaffected |
| ??4 | Wave in the air | Mistake is alert | Unaffected | Unaffected |
| ??5 | The warning blind area | Unaffected | Having the blind area fails to report | Unaffected |
| ??6 | Direct viewing is reported to the police on-the-spot | Direct viewing | Can not | Direct viewing |
By above-mentioned flow process and form as can be seen, by utilizing by the photoelectricity mobile detection, the microwave field mobile detection, the combinde alarms detection source of infrared field mobile detection and ultrasonic wave field mobile detection be combined into, forbid involving in the zone under the on-line monitoring outdoor location condition, the rate of false alarm of the single one physical detection means that uses in the contrast prior art, technical solution of the present invention can maximally utilise various physical detecting means advantages, integrated compound, the raising system is for forbidding involving in the zone, the detection accuracy rate of personnel movement target reduces the output of false alarm invalid information.
Embodiment 2
Present embodiment specifically describes technical solution of the present invention and adopts several complex probe alarms commonly used to carry out to forbid involving in area detection work.
As shown in Figure 2, present embodiment is on the application foundation of the technical scheme principle of previous embodiment 1, utilizes intrusion detector that built by pure logic levels such as discrete component, integrated circuit, that have the compound mobile detection function of ' logical and ' calculation function to carry out and forbids involving in area detection work.DI1-DI8 connects sensor interface for refuting as shown in the figure, can refute the sensor that connects foregoing all kinds of mobile detections, inner secondary " logical and " arithmetical unit that constitutes by " with door ", 8 of primes and door, if there is one to be output as " 0 " with door, then the back level is output as " 0 " with door, i.e. DO end alarm free output, thus reached complex probe warning purpose.
As shown in Figure 3, present embodiment is on the application foundation of the technical scheme principle of previous embodiment 1, utilizes by having central processor CPU/MCU able to programme (Micro ControllerUnit-micro-control unit) single-chip microcomputer integrated circuit intrusion detector that build, that have the compound mobile detection function of ' logical and ' calculation function and carries out and forbid involving in area detection work.As shown in the figure: utilize the IO1-IO8 port on central processor CPU/MCU able to programme (Micro ControllerUnit-micro-control unit) single-chip microcomputer, as refuting the sensor that connects foregoing all kinds of mobile detections, the instruction set of using central processor CPU/MCU able to programme (MicroController Unit-micro-control unit) single-chip microcomputer to provide, editor's associated software, realize the function of " logical and ", its output of reporting to the police is by the output of the RS-232 port on central processor CPU/MCU able to programme (Micro Controller Unit-micro-control unit) single-chip microcomputer complex probe result.
This circuit has the strong characteristics of expandability, and its output result that reports to the police can be by the RS232 interface output of the intrusion detector of compound mobile detection.
As shown in Figure 4, present embodiment is on the application foundation of the technical scheme principle of previous embodiment 1, utilizes intrusion detector that be made of video server, that have the compound mobile detection function of ' logical and ' calculation function commonly used in the safety-security area to carry out and forbids involving in area detection work.Its concrete principle of work is, utilize ' mobile detection ' warning function in the video server, by video server DI port refute connect infrared, above-mentioned moving such as microwave intrusion detector detectd side senser (except that the image mobile detection sensor of video server self), ' mobile detection ' alarm condition in the video server and video server DI port are triggered state, programmable function by the CPU/DSP in the video server, in bios software, carry out ' logical and ' arithmetic operation, draw alarming result, alarming result is by the network interface RJ45 port output of video server.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and distortion, these improvement and distortion also should be considered as protection scope of the present invention.
Claims (10)
1, a kind of detection alarm method is characterized in that, this method comprises the steps:
Step 1: adopt two or more dissimilar detectors that the monitored area is surveyed;
Step 2: the result of detection input computing module of described dissimilar detector is carried out logic and operation;
Step 3: in described logic and operation, if the result all is triggered for described dissimilar detector, output alarm signal then; Otherwise output alarm signal not.
2, detection alarm method as claimed in claim 1 is characterized in that, described dissimilar detector comprises image mobile detector, ultrasonic detector, infrared eye and microwave detector;
Described image mobile detector is surveyed according to photoelectricity comparison principle;
Described image mobile detector is provided with the video camera of Tape movement detecting function, or video camera is connected to the video server of mobile detection function.
3, detection alarm method as claimed in claim 2 is characterized in that,
Described detector comprises the dual technology detector of infrared ray+microwave;
The dual technology detector of described infrared ray+microwave is used for by surveying existence or mobile detect of heat and microwave variation to the biosome of monitored area.
4, a kind of detecting and warning system, it is characterized in that, described system comprises detector and the complex probe device that two or more are dissimilar, wherein, described complex probe device is used for result of detection actuating logic and the computing to each detector, whether determines output alarm signal according to the result of described logic and operation.
5, detecting and warning system as claimed in claim 4 is characterized in that, described dissimilar detector comprises image mobile detector, ultrasonic detector, infrared eye and microwave detector.
6, detecting and warning system as claimed in claim 4 is characterized in that, described image mobile detector is surveyed according to photoelectricity comparison principle;
Described image mobile detector is provided with the video camera of Tape movement detecting function, or video camera is connected to the video server of mobile detection function.
7, detecting and warning system as claimed in claim 5 is characterized in that, described detector comprises the dual technology detector of infrared ray+microwave;
The dual technology detector of described infrared ray+microwave is used for by surveying existence or mobile detect of heat and microwave variation to the biosome of monitored area.
8, detecting and warning system as claimed in claim 4 is characterized in that, described complex probe device is built by pure logic level, has the logic and operation function.
9, detecting and warning system as claimed in claim 4, it is characterized in that, described complex probe device is built by central processing unit able to programme or micro-control unit single-chip microcomputer integrated circuit, has the logic and operation function, its output result RS232 interface output by described integrated circuit of reporting to the police.
10, detecting and warning system as claimed in claim 4 is characterized in that, described complex probe device is made of video server, has the logic and operation function, and alarming result is by the network interface RJ45 port output of described video server.
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| CN2009100924009A CN101639961B (en) | 2009-09-14 | 2009-09-14 | Detection alarm method and system thereof |
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| CN2009100924009A CN101639961B (en) | 2009-09-14 | 2009-09-14 | Detection alarm method and system thereof |
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| CN101639961A true CN101639961A (en) | 2010-02-03 |
| CN101639961B CN101639961B (en) | 2012-06-13 |
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| CN102280002A (en) * | 2011-06-27 | 2011-12-14 | 厦门青年网络通讯股份有限公司 | Dual-mode alarm device and method capable of decreasing false alarm rate |
| CN101639961B (en) * | 2009-09-14 | 2012-06-13 | 北京航星网讯技术股份有限公司 | Detection alarm method and system thereof |
| CN102592385A (en) * | 2012-03-16 | 2012-07-18 | 雷波泽 | Security detection system |
| CN104036624A (en) * | 2014-06-04 | 2014-09-10 | 深圳市中兴新地通信器材有限公司 | Anti-false alarm method for security and protection system based on partition detection |
| CN104424745A (en) * | 2013-09-09 | 2015-03-18 | 杭州海康威视数字技术股份有限公司 | Intelligent alarm method and intelligent alarm device |
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| CN2308122Y (en) * | 1997-04-16 | 1999-02-17 | 干文雷 | Monitoring device |
| CN2492897Y (en) * | 2001-07-26 | 2002-05-22 | 李冰 | Intrusion monitor |
| CN2593285Y (en) * | 2002-12-14 | 2003-12-17 | 深圳市鑫安鑫电子实业有限公司 | Mobile invading detector |
| CN2643413Y (en) * | 2003-09-03 | 2004-09-22 | 湖州求是信息电子制造有限公司 | Intelligent safety protection alarmer |
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2009
- 2009-09-14 CN CN2009100924009A patent/CN101639961B/en not_active Expired - Fee Related
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| CN101639961B (en) * | 2009-09-14 | 2012-06-13 | 北京航星网讯技术股份有限公司 | Detection alarm method and system thereof |
| CN102280002A (en) * | 2011-06-27 | 2011-12-14 | 厦门青年网络通讯股份有限公司 | Dual-mode alarm device and method capable of decreasing false alarm rate |
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| CN105160791A (en) * | 2015-10-16 | 2015-12-16 | 罗振宇 | Intelligent mobile security device |
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| CN109993936A (en) * | 2019-03-19 | 2019-07-09 | 上海电力高压实业有限公司 | Transfomer Substation Reconstruction geofence system and method |
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