CN104036607A - Infrared detecting method and device - Google Patents
Infrared detecting method and device Download PDFInfo
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- CN104036607A CN104036607A CN201410151887.4A CN201410151887A CN104036607A CN 104036607 A CN104036607 A CN 104036607A CN 201410151887 A CN201410151887 A CN 201410151887A CN 104036607 A CN104036607 A CN 104036607A
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- signal
- human motion
- motion signal
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- alarm
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Abstract
The invention is suitable for the technical field of infrared and discloses an infrared detecting method and device. The infrared detecting method includes that receiving a mode selection instruction, and entering an invasive detection mode or a human life detection mode according to the mode selection instruction; judging whether a human motion signal is detected; under the invasive detection mode, if the human motion signal is detected, sending out invasion warning information; under the human life detection mode, if the human motion signal is not detected in a preset time, sending out human life warning information. According to the infrared detecting method and device, the invasive detection mode or the human life detection mode is selected according to the mode selection instruction, the warning is sent out when the human motion signal is detected under the invasive detection mode, the warning is sent out when the human motion signal is not detected in the preset time under the human life detection mode, and therefore, the multifunctional infrared detection is realized, and the infrared detection sensitivity is greatly improved.
Description
Technical field
The invention belongs to infrared technique field, relate in particular to a kind of infrared acquisition method and apparatus.
Background technology
The concept of Smart Home and intelligent security guard is slowly entering into people's the visual field, is also applied to gradually family and office space.Infrared detection technique has been applied very extensively in daily life.But existing infrared probe function is single.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of infrared acquisition method, is intended to solve the problem of existing infrared acquisition mode function singleness.
The embodiment of the present invention is achieved in that a kind of infrared acquisition method, comprising:
Receiving mode selection instruction, according to described model selection instruction, enters intrusion detection pattern or human life detection mode;
Judge whether to detect human motion signal;
Under described intrusion detection pattern, if detect described human motion signal, send break alarm information;
Under described human life detection mode, if do not detect described human motion signal in Preset Time, send human life warning information.
Another object of the embodiment of the present invention is to provide a kind of infrared detection device, comprising:
Detection mode is selected module, for receiving mode selection instruction, according to described model selection instruction, enters intrusion detection pattern or human life detection mode;
Human motion signal judge module, for judging whether to detect human motion signal;
Break alarm module, under described intrusion detection pattern, if detect described human motion signal, sends break alarm information;
Human life alarm module, under described human life detection mode, if do not detect described human motion signal in Preset Time, sends human life warning information.
The beneficial effect that the embodiment of the present invention compared with prior art exists is: the embodiment of the present invention enters intrusion detection pattern or human life detection mode according to model selection instruction, under intrusion detection pattern, detect the alarm of human motion signal, under human life detection mode, in Preset Time, do not detect the alarm of human motion signal, realize thus Multifunction infrared detection, greatly improved the dirigibility of infrared acquisition.
Brief description of the drawings
Fig. 1 is the structured flowchart of the infrared detection device that provides of the embodiment of the present invention;
Fig. 2 is the realization flow figure of the infrared acquisition method that provides of the embodiment of the present invention;
Fig. 3 is the specific implementation process flow diagram of the infrared acquisition method S202 that provides of the embodiment of the present invention;
Fig. 4 is the structured flowchart of the infrared detection device that provides of another embodiment of the present invention;
Fig. 5 is the structured flowchart of the infrared detection device that provides of another embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention is by entering intrusion detection pattern or human life detection mode according to model selection instruction, under intrusion detection pattern, detect the alarm of human motion signal, under human life detection mode, in Preset Time, do not detect the alarm of human motion signal, realize thus Multifunction infrared detection, greatly improved the dirigibility of infrared acquisition.
The embodiment of the present invention can be applicable to the places such as household family, nursing homes, small office or warehouse, in this no limit.Taking the family that is applied to old solitary people as example, in the time that old man goes out, infrared acquisition is switched to intrusion detection pattern, the alarm of human motion signal detected; In the time that old man is in, infrared acquisition is switched to human life detection mode, the alarm of human motion signal in Preset Time, do not detected, when being in, old man runs into emergency condition thus, cannot remain on indoor when normal mobile, rapidly outputting alarm information, thus realize the round-the-clock safety guard of old solitary people family, greatly improve the security of exclusive old man family.
Fig. 1 shows the structured flowchart of the infrared detection device that the embodiment of the present invention provides, and for convenience of explanation, only shows the part relevant to the present embodiment.
With reference to Fig. 1, this device comprises infrared eye 11, main frame 12 and telepilot 13.Infrared eye 11 enters intrusion detection pattern or human life detection mode according to the model selection instruction of main frame 12 or telepilot 13, under intrusion detection pattern, detect the alarm of human motion signal, under human life detection mode, in Preset Time, do not detect the alarm of human motion signal.Related realization principle for infrared detection device will be elaborated in subsequent embodiment, not repeat them here.
Fig. 2 shows the realization flow figure of the infrared acquisition method that the embodiment of the present invention provides, and the infrared detection device as shown in Figure 1 of the infrared acquisition method in the present embodiment is realized, and details are as follows:
In S201, receiving mode selection instruction, according to described model selection instruction, enters intrusion detection pattern or human life detection mode.
Here, by main frame or telepilot receiving mode selection instruction.Infrared eye comprises the first radio receiving transmitting module, and main frame comprises the second radio receiving transmitting module, and telepilot comprises the 3rd radio receiving transmitting module.Main frame receives after model selection instruction, by the second radio receiving transmitting module, model selection instruction is sent to the first radio receiving transmitting module.Telepilot receives after model selection instruction, by the 3rd radio receiving transmitting module, model selection instruction is sent to the first radio receiving transmitting module.
Wherein, the first radio receiving transmitting module and the second radio receiving transmitting module can communicate by wireless communication technologys such as ISM 433Mhz wireless communication technology or 2.4Ghz wireless communication technologys, in this no limit.The first radio receiving transmitting module and the 3rd radio receiving transmitting module can communicate by wireless communication technologys such as infrared communication technique, ISM 433Mhz wireless communication technology or 2.4Ghz wireless communication technologys, in this no limit.
Preferably, between the first radio receiving transmitting module and the second radio receiving transmitting module, the first radio receiving transmitting module and the 3rd radio receiving transmitting module, communicate by ISM 433Mhz wireless communication technology.ISM 433Mhz transmission wireless data has superpower ability through walls and 100 meters of above wireless distances.Meanwhile, the first radio receiving transmitting module, the second radio receiving transmitting module and the 3rd radio receiving transmitting module adopt GFSK(Gauss Frequency Shift Keying, Gaussian Frequency Shift Keying) modulate.
The first radio receiving transmitting module receives after model selection instruction, model selection instruction is forwarded to the MCU(Micro Control Unit in infrared eye, micro-control unit), MCU enters intrusion detection pattern or human life detection mode according to model selection instruction control infrared eye.
Wherein, MCU can adopt MSP430G2332 chip.
In S202, judge whether to detect human motion signal.
In embodiments of the present invention, using human motion signal as useful signal.Infrared eye need be from the signal receiving filtering interference signals, with the erroneous judgement that prevents from causing due to environmental interference or animal activity, improve the accuracy of infrared acquisition.
Fig. 3 shows the specific implementation process flow diagram of the infrared acquisition method S202 that the embodiment of the present invention provides, with reference to Fig. 2:
In S301, receive and amplifying ambient variable signal.
Infrared eye is by infrared probe acquisition environment variable signal.As one embodiment of the present of invention, adopting PIR(Passive Infra-Red, passive infrared) detector realizes infrared acquisition.PIR detector itself do not launch any energy and be passive reception, survey from the infrared radiation of environment.
The infrared probe reception environment variable signal of infrared eye, and environmental change signal is transferred to the signal processing chip in infrared eye.The faint environmental change signal receiving is amplified to a predetermined value by signal amplification circuit in signal processing chip, so that detect.
In S302, detect the signal value of described environmental change signal.
Signal processing chip is further processed the environmental change signal after amplifying, comprise by DC bias circuit the environmental change signal after amplifying is carried out to direct current biasing processing etc., then detect the signal value through signal processing chip environmental change signal after treatment.
In S303, judge whether to detect described human motion signal according to the signal value of described environmental change signal.
Further, described in S303, judging whether to detect described human motion signal according to the signal value of described environmental change signal comprises:
If the signal value of described environmental change signal, in pre-set interval, is judged and is not detected described human motion signal;
If the signal value of described environmental change signal is less than the minimum value of described pre-set interval or is greater than the maximal value of described pre-set interval, judge and detect described human motion signal.
As one embodiment of the present of invention, environmental change signal characterizes with voltage change signal.After signal amplification circuit and DC bias circuit processing, the scope of the magnitude of voltage of voltage change signal is 0V to 3V.The low threshold voltage of the window comparer in signal processing chip is 0.7V, and high threshold voltage is 1.5V.If the magnitude of voltage of current voltage variable signal is between 0.7V～1.5V, window comparator output high level, to MCU, is judged the current human motion signal that do not detect; If the magnitude of voltage of current voltage variable signal is less than 0.7V or is greater than 1.5V, window comparator output low level, to MCU, is judged the current human motion signal that detects.
Preferably, when window comparator output high level is during to MCU, MCU is in park mode, thereby greatly reduces power consumption.When window comparator output low level is during to MCU, MCU exits park mode.
As an alternative embodiment of the invention, when window comparator output low level is during to MCU, ADC(Analog-to-Digital Converter in MCU, A-D converter) again current voltage variable signal is detected, if the magnitude of voltage of current voltage variable signal is between 0.7V～1.5V, think that the judgement of window comparator is wrong, change the original sentence to before settled and do not detect human motion signal; If the magnitude of voltage of current voltage variable signal is less than 0.7V or is greater than 1.5V, again determine the current human motion signal that detects.Improved thus the accuracy for the judgement of human motion signal, filtering environmental interference, animal activity etc. easily cause the signal of erroneous judgement.
In S203, under described intrusion detection pattern, if detect described human motion signal, send break alarm information.
In embodiments of the present invention, under intrusion detection pattern, once judging, MCU detects human motion signal, just immediately by the first radio receiving transmitting module notice main frame break alarm information.
In S204, under described human life detection mode, if do not detect described human motion signal in Preset Time, send human life warning information.
In embodiments of the present invention, when receiving after the model selection instruction that enters human life detection mode, start immediately timer.If do not detect human motion signal in Preset Time, by the first radio receiving transmitting module notice main frame human life warning information.
Preferably, described in, sending break alarm information comprises:
Call to first group of default mobile terminal, and play break alarm voice messaging.
As one embodiment of the present of invention, main frame, receiving after the break alarm information that infrared eye sends, is called to first group of mobile terminal, and is play break alarm voice messaging.Here, first group of mobile terminal can comprise at least one mobile terminal.
The described human life warning information that sends comprises:
Call to second group of default mobile terminal, and play human life alarm voice messaging.
As one embodiment of the present of invention, main frame, receiving after the human life warning information that infrared eye sends, is called to second group of mobile terminal, and is play human life alarm voice messaging.Here, second group of mobile terminal can comprise at least one mobile terminal, and second group of mobile terminal can comprise identical mobile terminal with first group of mobile terminal.
Preferably, described in, send break alarm information and described in send human life warning information and comprise:
With jingle bell or flashing light alarm.
Judge and detect after human motion signal at MCU, MCU notice gauge tap closure, gauge tap is connected with jingle bell module or flashing light module, and when after gauge tap closure, jingle bell module sends jingle bell or flashing light module flashing light lights.
Fig. 4 shows the structured flowchart of the infrared detection device that another embodiment of the present invention provides, and this device is for the infrared acquisition method described in service chart 2 to Fig. 3.For convenience of explanation, only show the part relevant to the present embodiment.
With reference to Fig. 4, this device comprises infrared eye 11, main frame 12, telepilot 13, jingle bell module 14 and flashing light module 15.Infrared eye 11 comprises the first radio receiving transmitting module 111, MCU112, infrared probe 113, signal processing chip 114, gauge tap 115, battery 116, uncap detection module 117 and low voltage detecting module 118.Main frame 12 comprises the second radio receiving transmitting module 121.Telepilot 13 comprises the 3rd radio receiving transmitting module 131.
Wherein, the general 9V battery that adopts of battery 116.The voltage that battery 116 detected when low voltage detecting module 118 is during lower than preset value, and notice MCU112 carries out low-voltage alarm.Here, preset value can be 6.4V.
Uncap detection module 117 in the time detecting that the upper cover of infrared eye 11 or lower cover are opened, the notice MCU112 alarm of uncapping.
The embodiment of the present invention is by entering intrusion detection pattern or human life detection mode according to model selection instruction, under intrusion detection pattern, detect the alarm of human motion signal, under human life detection mode, in Preset Time, do not detect the alarm of human motion signal, realize thus Multifunction infrared detection, greatly improved the dirigibility of infrared acquisition.
Fig. 5 shows the structured flowchart of the infrared detection device that another embodiment of the present invention provides, and this device is for the infrared acquisition method described in service chart 2 to Fig. 3.For convenience of explanation, only show the part relevant to the embodiment of the present invention.
With reference to Fig. 5, this device comprises:
Detection mode is selected module 51, and receiving mode selection instruction, according to described model selection instruction, enters intrusion detection pattern or human life detection mode.
Human motion signal judge module 52, judges whether to detect human motion signal.
Break alarm module 53, under described intrusion detection pattern, if detect described human motion signal, sends break alarm information.
Human life alarm module 54, under described human life detection mode, if do not detect described human motion signal in Preset Time, sends human life warning information.
Further, described human motion signal judge module 52 comprises:
Signal receives and amplifies submodule, receives and amplifying ambient variable signal.
Signal value detection sub-module, detects the signal value of described environmental change signal.
Human motion signal judges submodule, judges whether to detect described human motion signal according to the signal value of described environmental change signal.
Further, described human motion signal judge submodule specifically for:
If the signal value of described environmental change signal, in pre-set interval, is judged and is not detected described human motion signal;
If the signal value of described environmental change signal is less than the minimum value of described pre-set interval or is greater than the maximal value of described pre-set interval, judge and detect described human motion signal.
Preferably, described break alarm module 53 comprises:
The first call alarm submodule, calls to first group of default mobile terminal, and plays break alarm voice messaging.
Described human life alarm module 54 comprises:
The second call alarm submodule, calls to second group of default mobile terminal, and plays human life alarm voice messaging.
Preferably, described break alarm module 53 comprises:
The first jingle bell or flashing light alarm submodule, with jingle bell or flashing light alarm.
Described human life alarm module 54 comprises:
The second jingle bell or flashing light alarm submodule, with jingle bell or flashing light alarm.
The embodiment of the present invention is by entering intrusion detection pattern or human life detection mode according to model selection instruction, under intrusion detection pattern, detect the alarm of human motion signal, under human life detection mode, in Preset Time, do not detect the alarm of human motion signal, realize thus Multifunction infrared detection, greatly improved the dirigibility of infrared acquisition.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. an infrared acquisition method, is characterized in that, comprising:
Receiving mode selection instruction, according to described model selection instruction, enters intrusion detection pattern or human life detection mode;
Judge whether to detect human motion signal;
Under described intrusion detection pattern, if detect described human motion signal, send break alarm information;
Under described human life detection mode, if do not detect described human motion signal in Preset Time, send human life warning information.
2. the method for claim 1, is characterized in that, described in judge whether to detect human motion signal and comprise:
Receive and amplifying ambient variable signal;
Detect the signal value of described environmental change signal;
Judge whether to detect described human motion signal according to the signal value of described environmental change signal.
3. method as claimed in claim 2, is characterized in that, the described signal value according to described environmental change signal judges whether to detect described human motion signal and comprises:
If the signal value of described environmental change signal, in pre-set interval, is judged and is not detected described human motion signal;
If the signal value of described environmental change signal is less than the minimum value of described pre-set interval or is greater than the maximal value of described pre-set interval, judge and detect described human motion signal.
4. the method for claim 1, is characterized in that, described in send break alarm information and comprise:
Call to first group of default mobile terminal, and play break alarm voice messaging;
The described human life warning information that sends comprises:
Call to second group of default mobile terminal, and play human life alarm voice messaging.
5. the method for claim 1, is characterized in that, described in send break alarm information and described in send human life warning information and comprise:
With jingle bell or flashing light alarm.
6. an infrared detection device, is characterized in that, comprising:
Detection mode is selected module, for receiving mode selection instruction, according to described model selection instruction, enters intrusion detection pattern or human life detection mode;
Human motion signal judge module, for judging whether to detect human motion signal;
Break alarm module, under described intrusion detection pattern, if detect described human motion signal, sends break alarm information;
Human life alarm module, under described human life detection mode, if do not detect described human motion signal in Preset Time, sends human life warning information.
7. device as claimed in claim 6, is characterized in that, described human motion signal judge module comprises:
Signal receives and amplifies submodule, for receiving and amplifying ambient variable signal;
Signal value detection sub-module, for detection of the signal value of described environmental change signal;
Human motion signal judges submodule, for judge whether to detect described human motion signal according to the signal value of described environmental change signal.
8. device as claimed in claim 7, is characterized in that, described human motion signal judge submodule specifically for:
If the signal value of described environmental change signal, in pre-set interval, is judged and is not detected described human motion signal;
If the signal value of described environmental change signal is less than the minimum value of described pre-set interval or is greater than the maximal value of described pre-set interval, judge and detect described human motion signal.
9. device as claimed in claim 6, is characterized in that, described break alarm module comprises:
The first call alarm submodule, for calling to first group of default mobile terminal, and plays break alarm voice messaging;
Described human life alarm module comprises:
The second call alarm submodule, for calling to second group of default mobile terminal, and plays human life alarm voice messaging.
10. device as claimed in claim 6, is characterized in that, described break alarm module comprises:
The first jingle bell or flashing light alarm submodule, for jingle bell or flashing light alarm;
Described human life alarm module comprises:
The second jingle bell or flashing light alarm submodule, for jingle bell or flashing light alarm.
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| CN201410151887.4A CN104036607A (en) | 2014-04-15 | 2014-04-15 | Infrared detecting method and device |
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| CN201410151887.4A CN104036607A (en) | 2014-04-15 | 2014-04-15 | Infrared detecting method and device |
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| CN104464130A (en) * | 2014-10-31 | 2015-03-25 | 王烨辉 | Home security state switching method and device |
| CN106791562A (en) * | 2016-12-13 | 2017-05-31 | 无锡纽微特科技有限公司 | Video-telephone system and the method for dialing visual telephone |
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Application publication date: 20140910 |