CN105279871A - Intrusion detection device and method - Google Patents
Intrusion detection device and method Download PDFInfo
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- CN105279871A CN105279871A CN201410676094.4A CN201410676094A CN105279871A CN 105279871 A CN105279871 A CN 105279871A CN 201410676094 A CN201410676094 A CN 201410676094A CN 105279871 A CN105279871 A CN 105279871A
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- carbon dioxide
- personnel
- gas concentration
- concentration lwevel
- checkout equipment
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Abstract
The invention discloses an intrusion detection device and method. The intrusion detection device includes carbon dioxide detection equipment used for detecting the concentration of carbon dioxide and judging whether a person intrudes by analyzing the concentration of carbon dioxide, and a video recording module used for performing video shooting when the carbon dioxide detection equipment judges that a person intrudes, and the carbon diode detection equipment is connected with the video recording module. Through the intrusion detection device and method provided by the invention, dead-angle-free monitoring of intrusion of a person is realized, and video monitoring is performed in real time.
Description
Technical field
The present invention relates to monitoring field, particularly a kind of invasion detecting device and method.
Background technology
Intrusion detection is the important subsystem of of safety-protection system (Security & ProtectionSystem, SPS), is used widely in the various indoor and outdoors place of security monitoring that needs.Detector as intrusion detection is made up of sensor and microprocessor, at present conventional sensor by its physical principle be divided into infrared, video, microwave, passive type are infrared/numerous species such as microwave, vibration, ultrasound wave, laser, sound-detection, wherein only video and infrared detection can have the automatic recognition capability of certain human body.Although video and infrared detection have the automatic recognition capability of certain human body, its recognition effect is comparatively large by such environmental effects, as: light, temperature, video are subject to the impact of video blind area and imaging effect.Intelligent video monitoring is field of video monitoring up-to-date at present, but need high storage space, high transmission bandwidth, with high performance video procession ability, image is easy to be subject to illumination, attitude, blocks in gatherer process, the interference of appearance adjunct and image capture device etc., and price also costly.
And in fact also have another physical means can monitoring human there is signal, be exactly carbon dioxide detect.The activity of people is main source that is indoor and people's surrounding environment carbon dioxide, when adult often consumes the oxygen of 1 mole, the carbon dioxide of 1 mole will be produced, an adult is under rest state, about 22.6 liters of carbon dioxide of breathing out per hour, children's exhalation amount is about the half of adult, the gas concentration lwevel that average adult breathes out is approximately 38000ppm (3.8%), therefore the mankind and other biology affect greatly on gas concentration lwevel that is indoor and people's surrounding environment, such as, without in the situation of special carbon dioxide source, a unmanned indoor environment and one have the indoor environment gas concentration lwevel of people, and often difference is larger.Gas concentration lwevel monitoring can as human body and the biological important means existed, but utilize carbon dioxide detection also not occur as the technology of intrusion detection at present.
Summary of the invention
Embodiments provide a kind of invasion detecting device, to realize without the monitor staff's invasion of ground, dead angle, and real-time video monitoring.
On the one hand, embodiments provide a kind of invasion detecting device, comprising:
For detecting gas concentration lwevel, by analyzing described gas concentration lwevel, the carbon dioxide checkout equipment that the personnel of judging whether invade;
For be determined with when described carbon dioxide checkout equipment personnel invade time, carry out the videograph module of video capture;
Described carbon dioxide checkout equipment and described videograph model calling.
On the one hand, embodiments provide a kind of intrusion detection method, comprising:
Detect gas concentration lwevel;
By analyzing described gas concentration lwevel, the personnel of having judged whether invade;
When the personnel of being determined with invade, carry out video capture.
The beneficial effect that technical scheme provided by the invention is brought is:
From the invention described above embodiment, owing to being detected the gas concentration lwevel spread in air by carbon dioxide checkout equipment, by analyzing gas concentration lwevel, the personnel of having judged whether invade, when carbon dioxide checkout equipment be determined with personnel invade time, videograph module carries out video capture, therefore, achieve without the monitor staff's invasion of ground, dead angle, and real-time video monitoring.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of invasion detecting device that Fig. 1 provides for first embodiment of the invention;
The structural representation of a kind of invasion detecting device that Fig. 2 provides for second embodiment of the invention;
The structural representation of a kind of invasion detecting device that Fig. 3 provides for third embodiment of the invention;
The structural representation of a kind of invasion detecting device carbon dioxide detection module that Fig. 4 provides for third embodiment of the invention;
The structural representation of the carbon dioxide sensor module of the carbon dioxide detection module of a kind of invasion detecting device that Fig. 5 provides for third embodiment of the invention;
The structural representation of a kind of invasion detecting device that Fig. 6 provides for fourth embodiment of the invention;
A kind of process flow diagram of a kind of intrusion detection method that Fig. 7 provides for fifth embodiment of the invention;
The another kind of process flow diagram of a kind of intrusion detection method that Fig. 8 provides for fifth embodiment of the invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
embodiment one
The embodiment of the present invention one provides a kind of structural representation of invasion detecting device, see Fig. 1, comprising: for detecting gas concentration lwevel, by analyzing gas concentration lwevel, the carbon dioxide checkout equipment 01 that the personnel of judging whether invade; For be determined with when carbon dioxide checkout equipment personnel invade time, carry out the videograph module 02 of video capture; Carbon dioxide checkout equipment 01 is connected with videograph module 02.Videograph module 02 is connected by serial/parallel row data-interface or cable LAN with carbon dioxide checkout equipment 01.
Carbon dioxide checkout equipment 01 comprises: for detecting the carbon dioxide detection module of gas concentration lwevel; Gas concentration lwevel is analyzed, the microprocessor that the personnel of judging whether invade for passing through; Carbon dioxide detection module is connected with microprocessor; Carbon dioxide detection module and microprocessor are all integrated in carbon dioxide checkout equipment 01, or microprocessor can be included in carbon dioxide detection module, replace the second microprocessor in carbon dioxide detection module, and the data acquisition circuit of carbon dioxide detection module is in the microprocessor integrated.
The present invention detects the gas concentration lwevel spread in air by carbon dioxide checkout equipment, by analyzing gas concentration lwevel, the personnel of having judged whether invade, when carbon dioxide checkout equipment be determined with personnel invade time, videograph module carries out video capture, therefore, achieve without the monitor staff's invasion of ground, dead angle, and real-time video monitoring.
embodiment two
The embodiment of the present invention two provides a kind of structural representation of invasion detecting device, see Fig. 2, comprises for detecting gas concentration lwevel, by analyzing gas concentration lwevel, the carbon dioxide checkout equipment 10 that the personnel of judging whether invade; For be determined with when carbon dioxide checkout equipment personnel invade time, carry out the videograph module 13 of video capture; Carbon dioxide checkout equipment 10 is connected with videograph module 13; Carbon dioxide checkout equipment 10 comprises: for detecting the carbon dioxide detection module 11 of gas concentration lwevel; Gas concentration lwevel is analyzed, the microprocessor 12 that the personnel of judging whether invade for passing through; Carbon dioxide detection module 11 is connected with microprocessor 12.In concrete enforcement, carbon dioxide detection module 11 and microprocessor 12 are by Serial Peripheral Interface (SPI) (SPI, or I2C (Inter-IntegratedCircuit SerialPeripheralInterface), the two-wire system universal serial bus connected between IC device) interface connection, videograph module 13 is connected by serial/parallel row data-interface or cable LAN with carbon dioxide checkout equipment 10.
Carbon dioxide detection module 11 comprises carbon dioxide sensor module, signal amplification circuit, filtering circuit, data acquisition circuit and the second microprocessor, the carbon dioxide sensor module of recommendation is a NDIR (Non-Dispersive Infrared) type carbon dioxide detection optical system, and NDIR (Non-Dispersive Infrared) type carbon dioxide detection optical system comprises infrared light supply driving circuit, infrared light supply, air chamber and carbon dioxide double base infrared eye.Carbon dioxide detection module 11 is arranged on safety and protection monitoring scene, continues the on-the-spot dense carbon dioxide degrees of data constantly changed by diffusion way of record.
Microprocessor 12 judges whether the invasion of personnel by the real time data or playback of data analyzing gas concentration lwevel.Rise if testing result is gas concentration lwevel and is greater than the first concentration threshold, and the average rising rate of change of concentration is more than or equal to the first rate of change threshold value, microprocessor 12 is determined with personnel's invasion.Such as, when testing result is that gas concentration lwevel rises to more than 700ppm and the average rising rate of change of concentration is more than or equal to 50ppm/ minute, microprocessor 12 is determined with personnel's invasion.
Videograph module 13 only just opens video when there being personnel to invade, so more economize on electricity.
The present invention detects the gas concentration lwevel spread in air by carbon dioxide checkout equipment, by analyzing gas concentration lwevel, the personnel of having judged whether invade, when carbon dioxide checkout equipment be determined with personnel invade time, videograph module carries out video capture, therefore, achieve without the monitor staff's invasion of ground, dead angle, and real-time video monitoring.
embodiment three
The embodiment of the present invention three provides a kind of structural representation of invasion detecting device, see Fig. 3, comprises for detecting gas concentration lwevel, by analyzing gas concentration lwevel, the carbon dioxide checkout equipment 20 that the personnel of judging whether invade; For be determined with when carbon dioxide checkout equipment personnel invade time, carry out the videograph module 23 of video capture; For sending the remote communication module 24 of alerting signal and/or video to remote monitoring terminal; For be determined with when carbon dioxide checkout equipment personnel invade time, show personnel invasion display screen 25; Carbon dioxide checkout equipment 20 is connected with videograph module 23; Remote communication module 24 is connected with carbon dioxide checkout equipment 20; Display screen 25 is connected with carbon dioxide checkout equipment 20.Carbon dioxide checkout equipment 20 comprises: for detecting the carbon dioxide detection module 21 of gas concentration lwevel; Gas concentration lwevel is analyzed, the microprocessor 22 that the personnel of judging whether invade for passing through; Carbon dioxide detection module 21 is connected with microprocessor 22.In concrete enforcement, carbon dioxide detection module 21 is connected by Serial Peripheral Interface (SPI) or I2C interface with microprocessor 22; Videograph module 23 is connected by serial/parallel row data-interface or cable LAN with carbon dioxide checkout equipment 20; Display screen 25 is connected by serial/parallel row data-interface with carbon dioxide checkout equipment 20; Remote communication module 24 is connected by wired mode or wireless mode with carbon dioxide checkout equipment 20, and wired mode comprises USB, serial/parallel row data-interface, and wireless mode comprises Zigbee, bluetooth.
As shown in Figure 4, carbon dioxide detection module 21 comprises carbon dioxide sensor module 211, signal amplification circuit 212, filtering circuit 213, data acquisition circuit 214 and the second microprocessor 215, microprocessor 22 also can be included in carbon dioxide detection module 21, replace the second microprocessor 215 in carbon dioxide detection module 21, and the data acquisition circuit 214 of carbon dioxide detection module 21 is integrated in microprocessor 22; The carbon dioxide sensor module 211 of recommendation is a NDIR (Non-Dispersive Infrared) type carbon dioxide detection optical system, as shown in Figure 5, NDIR (Non-Dispersive Infrared) type carbon dioxide detection optical system comprises infrared light supply driving circuit 2111, infrared light supply 2112, air chamber 2113 and carbon dioxide double base infrared eye 2114.Carbon dioxide detection module 21 is arranged on safety and protection monitoring scene, continues the on-the-spot dense carbon dioxide degrees of data constantly changed by diffusion way of record.
Microprocessor 22 also analyzes gas concentration lwevel for passing through, and the personnel of having judged whether leave.Microprocessor 22 is judged whether the invasion of personnel by the real time data or playback of data analyzing gas concentration lwevel or is left.Rise if testing result is gas concentration lwevel and is greater than the first concentration threshold, and the average rising rate of change of concentration is more than or equal to the first rate of change threshold value, microprocessor 22 is determined with personnel's invasion; Decline if testing result is gas concentration lwevel and is less than the second concentration threshold, and the average decline rate of change of concentration is more than or equal to the second rate of change threshold value, microprocessor 22 is determined with personnel and leaves.Such as, when testing result is that gas concentration lwevel rises to more than 700ppm and the average rising rate of change of concentration is more than or equal to 50ppm/ minute, microprocessor 22 is determined with personnel's invasion; Drop to below 650ppm and the average decline rate of change of concentration is more than or equal to 25ppm/ minute if testing result is gas concentration lwevel, microprocessor 22 is determined with personnel and leaves.
Videograph module 23 also for be determined with when carbon dioxide checkout equipment 20 personnel leave time, stop video capture.Because only just open video when there being personnel to invade, when judgement personnel leave, close live video record, so more economize on electricity.
Remote communication module 24 is by 3G wireless network or GSM (GlobalSystemforMobilecommunication, global system for mobile communications) wireless network sends Realtime Alerts and/or field video signal to remote monitoring terminal, achieves remote real-time monitoring.
Display screen 25 also for be determined with when carbon dioxide checkout equipment 20 personnel leave time, the personnel of showing leave.Displaying time-gas concentration lwevel trend map on display screen 25, and mark is invaded or is left event, or on display screen 25, show invasion with word and time form or leave event.
The present invention detects the gas concentration lwevel spread in air by carbon dioxide checkout equipment, judge whether that personnel invade according to testing result, when having personnel to invade, videograph module carries out video capture, remote communication module sends alerting signal and/or video to remote monitoring terminal, and show personnel's invasion on a display screen, achieve without the monitor staff's invasion of ground, dead angle, and real time remote video monitoring.
embodiment four
The embodiment of the present invention four provides a kind of structural representation of invasion detecting device, see Fig. 6, comprises for detecting gas concentration lwevel, by analyzing gas concentration lwevel, the carbon dioxide checkout equipment 30 that the personnel of judging whether invade; For be determined with when carbon dioxide checkout equipment personnel invade time, carry out the videograph module 33 of video capture; For be determined with when carbon dioxide checkout equipment personnel invade time, send light, warning device 34 that voice or buzzing are reported to the police; Carbon dioxide checkout equipment 30 is connected with videograph module 33; Warning device 34 is connected with carbon dioxide checkout equipment 30.Carbon dioxide checkout equipment 30 comprises: for detecting the carbon dioxide detection module 31 of gas concentration lwevel; Gas concentration lwevel is analyzed, the microprocessor 32 that the personnel of judging whether invade for passing through; Carbon dioxide detection module 31 is connected with microprocessor 32.In concrete enforcement, carbon dioxide detection module 31 is connected by Serial Peripheral Interface (SPI) or I2C interface with microprocessor 32; Videograph module 33 is connected by serial/parallel row data-interface or cable LAN with carbon dioxide checkout equipment 30; Warning device 34 is by wired or wireless connection carbon dioxide checkout equipment 30, and wired mode includes but not limited to SPI or I2C, and wireless mode includes but not limited to Zigbee, bluetooth, or WLAN (wireless local area network).
Carbon dioxide detection module 31 comprises carbon dioxide sensor module, signal amplification circuit, filtering circuit, data acquisition circuit and the second microprocessor, the carbon dioxide sensor module of recommendation is a NDIR (Non-Dispersive Infrared) type carbon dioxide detection optical system, and NDIR (Non-Dispersive Infrared) type carbon dioxide detection optical system comprises infrared light supply, infrared light supply driving circuit, air chamber and carbon dioxide double base infrared eye.Carbon dioxide detection module 31 is arranged on safety and protection monitoring scene, continues the on-the-spot dense carbon dioxide degrees of data constantly changed by diffusion way of record.
Microprocessor 32 judges whether the invasion of personnel by the real time data or playback of data analyzing gas concentration lwevel.Rise if testing result is gas concentration lwevel and is greater than the first concentration threshold, and the average rising rate of change of concentration is more than or equal to the first rate of change threshold value, microprocessor 32 is determined with personnel's invasion.Such as, when testing result is that gas concentration lwevel rises to more than 700ppm and the average rising rate of change of concentration is more than or equal to 50ppm/ minute, microprocessor 32 is determined with personnel's invasion.
Videograph module 33 only just opens video when there being personnel to invade, so more economize on electricity.
Warning device 33 carries out onsite alarming for sending light, voice or buzzer.
The present invention detects the gas concentration lwevel spread in air by carbon dioxide checkout equipment, by analyzing gas concentration lwevel, the personnel of having judged whether invade, when microprocessor be determined with personnel invade time, videograph module carries out video capture, and warning device sends light, voice or buzzing and reports to the police, therefore, achieve without the monitor staff's invasion of ground, dead angle, and real-time video monitoring and warning.
embodiment five
The embodiment of the present invention five provides a kind of a kind of process flow diagram of intrusion detection method, see Fig. 7, comprising:
401: detect gas concentration lwevel.
On-the-spot at safety and protection monitoring, continue the on-the-spot dense carbon dioxide degrees of data constantly changed by diffusion way of record.
402a: by analyzing gas concentration lwevel, the personnel of having judged whether invade.
Rise if testing result is gas concentration lwevel and is greater than the first concentration threshold, and the average rising rate of change of concentration is more than or equal to the first rate of change threshold value, be then determined with personnel's invasion.Such as, when testing result is that gas concentration lwevel rises to more than 700ppm and the average rising rate of change of concentration is more than or equal to 50ppm/ minute, then personnel's invasion is determined with.
403a: when the personnel of being determined with invade, carries out video capture.Only just open video when there being personnel to invade, so more economize on electricity.
Optionally, see Fig. 8, also comprise after step 401:
402b: by analyzing gas concentration lwevel, the personnel of having judged whether leave.
Decline if testing result is gas concentration lwevel and is less than the second concentration threshold, and the average decline rate of change of concentration is more than or equal to the second rate of change threshold value, then the personnel that are determined with leave.Such as, drop to below 650ppm and the average decline rate of change of concentration is more than or equal to 25ppm/ minute if testing result is gas concentration lwevel, then the personnel that are determined with leave.
403b: when the personnel of being determined with leave, stops video capture.
Because only just open video when there being personnel to invade, when judgement personnel leave, close live video record, so more economize on electricity.
Optionally, see Fig. 8, also comprise after step 403a:
404a: send alerting signal and/or video to remote monitoring terminal, remote monitoring terminal comprises mobile phone.
Send Realtime Alerts and/or field video signal by 3G wireless network or gsm wireless network to remote monitoring terminal, achieve remote real-time monitoring.
The present invention is by detecting the gas concentration lwevel spread in air, and by analyzing gas concentration lwevel, the personnel of having judged whether invade, and when the personnel of being determined with invade, carry out video capture, therefore, achieves without the monitor staff's invasion of ground, dead angle, and real-time video monitoring.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an invasion detecting device, is characterized in that, comprising:
For detecting gas concentration lwevel, by analyzing described gas concentration lwevel, the carbon dioxide checkout equipment that the personnel of judging whether invade;
For be determined with when described carbon dioxide checkout equipment personnel invade time, carry out the videograph module of video capture;
Described carbon dioxide checkout equipment and described videograph model calling.
2. invasion detecting device according to claim 1, is characterized in that, described carbon dioxide checkout equipment comprises:
For detecting the carbon dioxide detection module of gas concentration lwevel;
Described gas concentration lwevel is analyzed, the microprocessor that the personnel of judging whether invade for passing through;
Described carbon dioxide detection module is connected with described microprocessor, and described microprocessor comprises digital signal processor, microcontroller, embedded microprocessor.
3. invasion detecting device according to claim 2, it is characterized in that, described carbon dioxide detection module comprises carbon dioxide sensor module, signal amplification circuit, filtering circuit, data acquisition circuit and the second microprocessor, and described second microprocessor comprises digital signal processor, microcontroller, embedded microprocessor.
4. invasion detecting device according to claim 3, is characterized in that, described microprocessor is included in described carbon dioxide detection module, replaces described second microprocessor in described carbon dioxide detection module.
5. invasion detecting device according to claim 1, is characterized in that, described carbon dioxide checkout equipment is also for detecting gas concentration lwevel, and by analyzing described gas concentration lwevel, the personnel of having judged whether leave;
Described videograph module also for be determined with when described carbon dioxide checkout equipment personnel leave time, stop video capture.
6. invasion detecting device according to claim 1, it is characterized in that, described invasion detecting device also comprises the remote communication module for sending alerting signal and/or described video to remote monitoring terminal, and described remote communication module is connected with described carbon dioxide checkout equipment.
7. invasion detecting device according to claim 1, it is characterized in that, described invasion detecting device also comprise for be determined with when described carbon dioxide checkout equipment personnel invade time, show personnel invasion display screen, described display screen is connected with described carbon dioxide checkout equipment.
8. an intrusion detection method, is characterized in that, comprising:
Detect gas concentration lwevel;
By analyzing described gas concentration lwevel, the personnel of having judged whether invade;
When the personnel of being determined with invade, carry out video capture.
9. intrusion detection method according to claim 8, is characterized in that, also comprises:
By analyzing described gas concentration lwevel, the personnel of having judged whether leave;
When the personnel of being determined with leave, stop video capture.
10. intrusion detection method according to claim 8, is characterized in that, also comprises:
Send alerting signal and/or described video to remote monitoring terminal, described remote monitoring terminal comprises mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410676094.4A CN105279871A (en) | 2014-06-19 | 2014-11-21 | Intrusion detection device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2014203295683 | 2014-06-19 | ||
| CN201420329568 | 2014-06-19 | ||
| CN201410676094.4A CN105279871A (en) | 2014-06-19 | 2014-11-21 | Intrusion detection device and method |
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| CN105279871A true CN105279871A (en) | 2016-01-27 |
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| CN201410676094.4A Pending CN105279871A (en) | 2014-06-19 | 2014-11-21 | Intrusion detection device and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030715A (en) * | 2017-06-09 | 2018-12-18 | 精英电脑股份有限公司 | The method of indoor human body detecting |
| TWI647669B (en) * | 2017-06-09 | 2019-01-11 | 精英電腦股份有限公司 | Indoor human body detection method |
| CN110927333A (en) * | 2019-10-31 | 2020-03-27 | 深圳绿米联创科技有限公司 | Human body detection method, hardware system, device, electronic equipment and storage medium |
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| WO2004005088A1 (en) * | 2002-07-05 | 2004-01-15 | Paul Marriott | Intrusion detector |
| JP2007241933A (en) * | 2006-03-13 | 2007-09-20 | Matsushita Electric Ind Co Ltd | Monitoring system, control method, and program thereof |
| CN103985210A (en) * | 2014-05-23 | 2014-08-13 | 徐晓青 | Intrusion detecting and monitoring method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109030715A (en) * | 2017-06-09 | 2018-12-18 | 精英电脑股份有限公司 | The method of indoor human body detecting |
| TWI647669B (en) * | 2017-06-09 | 2019-01-11 | 精英電腦股份有限公司 | Indoor human body detection method |
| CN109030715B (en) * | 2017-06-09 | 2021-04-06 | 精英电脑股份有限公司 | Indoor human body detection method |
| CN110927333A (en) * | 2019-10-31 | 2020-03-27 | 深圳绿米联创科技有限公司 | Human body detection method, hardware system, device, electronic equipment and storage medium |
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Application publication date: 20160127 |