CN1790429A - Safety alarming method - Google Patents
Safety alarming method Download PDFInfo
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- CN1790429A CN1790429A CN 200410073446 CN200410073446A CN1790429A CN 1790429 A CN1790429 A CN 1790429A CN 200410073446 CN200410073446 CN 200410073446 CN 200410073446 A CN200410073446 A CN 200410073446A CN 1790429 A CN1790429 A CN 1790429A
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Abstract
The invention discloses a safe alarming method, which consists of sensing unit and hot infrared sensing unit, wherein the sensing unit identifies the object variation of different directions, which contains a disposal unit to set the orientation and analyze the orientation signal of sensing unit; when the sensing unit orientation changes, it outputs a permitting condition as alarm condition; the hot infrared sensing unit detects the hot infrared to the mobile object; the other condition is output as the alarm condition according to the threshold value of hot infrared signal strength; when two conditions are satisfied, the device sends the alarming information.
Description
Affiliated technical field:
The present invention relates to a kind of safety alarming method.
Background technology: in the Chinese patent of having declared " 2004200860090 ", " device of its warning is determined in a kind of position according to the moving target body " disclosed, it is to be divided into zones of different by the photoelectric device with imaging surface, has only the photosensitive device in the zone of setting at first to have the light intensity that produces above threshold values to change just output alarm.This technology can be used for household safe, has both made the household enter the activity of cloth defence area, also can not cause the output of reporting to the police, and enters the cloth defence area from improper zone and work as the burglar, will cause the output of reporting to the police.
Because can changing the image of different directions, imaging lens on imaging surface, makes a distinction, imaging surface is divided into a plurality of again, and by to the setting of different masses with to according to the detection of situation about setting to different masses, it is distinguished with that alarm is had is intelligent with the maximum of existing thermal infrared alarming device.
Owing to be the target detection that the variation by image realizes, with regard to the subject matter of its influence technique is the influence that sensor is caused by curtain and car light when being positioned over balcony and window, blow hard when opening, at this moment very likely cause moving of curtain, cause false image to change as window.And car light influence has randomness, by can carrying out filtering to the analysis of a plurality of sensitization pieces, but can not guarantee 100% reliability.
Summary of the invention:
The purpose of this invention is to provide a kind of safety alarming method, it not only can distinguish the variation that different directions causes image, and can discharge accurately because false image changes the warning output that causes.
The object of the present invention is achieved like this, and a kind of safety alarming method is characterized in that: which comprises at least,
One is used for discerning the sensing unit that the different directions moving target changes, comprise that a processing unit is according to the orientation of setting, and the sensing unit signal in corresponding orientation analyzed, at first cause a permissive condition that changes as the output of reporting to the police when the sensing unit of setting the orientation correspondence;
A thermal infrared sensing unit, be used for the detected activity target and send thermal infrared, if can send thermal infrared, will be according to a threshold values of the signal intensity of thermal infrared another condition as the warning export permit, when having only above-mentioned two conditions to be met, can provide warning message.
Described to be used for discerning the sensing unit that the different directions moving target changes be to be made of thermal infrared imaging, and the thermal infrared sensing unit is by piecemeal, has only variation that the thermal infrared sensing unit of direction initialization correspondence at first a causes permissive condition as the output of reporting to the police.
Described to be used for discerning the sensing unit that the different directions moving target changes be to be made of by the photoelectric device of piecemeal and processing unit imaging lens, imaging lens imaging surface, has only variation that the photoelectric device of direction initialization correspondence at first causes another permissive condition as the output of reporting to the police.
Whether describedly be used for discerning the sensing unit that the different directions moving target changes and be used for the detected activity target whether can to send the unit of thermal infrared be to carry out alarm detection and output by the following method, at first detecting is a variation that sensing unit at first causes of direction initialization correspondence; If whether the detected activity target can be sent thermal infrared and reach the threshold values requirement, as reach the threshold values requirement and provide the output of reporting to the police, as do not reach the threshold values requirement and will not allow the output of reporting to the police.
Whether the described thermal infrared leaflet unit output signal that is used for the detected activity target reaches the threshold values requirement, as reach threshold values, further detect and be used for discerning the sensing unit that the different directions moving target changes, described unit is according to the orientation of setting, and the inductor signal in corresponding orientation analyzed, when at first causing to change, the sensing unit of setting the orientation correspondence providing the output of reporting to the police; As the inductor of setting the orientation correspondence is not to cause that at first variation does not then allow the output of reporting to the police.
Because the present invention has the sensing unit of identification different directions moving target variation simultaneously and is used for the thermal infrared sensing unit whether the human body activity is active in the cloth defence area; The former is used for the human body activity whether within the distance that detects, and according to a threshold values of the signal intensity of the thermal infrared condition as the output of reporting to the police; The latter is according to the orientation of setting, and the sensing unit signal in corresponding orientation is analyzed, when the inductor of setting the orientation correspondence at first causes variation another condition as the warning export permit; Have only above-mentioned two conditions to be met and provide warning message.So not only making the detection of deploying troops on garrison duty intelligent, and can overcome because the wrong report that the spurious signal that balcony and window produce causes makes security of system reliable.
The invention will be further described below in conjunction with the embodiment accompanying drawing:
Description of drawings:
Fig. 1 is the embodiment of the invention 1 structural representation;
Fig. 2 is the embodiment of the invention 2 structural representations;
Fig. 3 is the circuit theory diagrams of the embodiment of the invention 1.
Among the figure, 1, imaging len; 2, Fresnel Lenses; 3, heat is released infrared sensor; 4, left sensing unit; 5, right sensing unit; 6, processing unit; 7, warning output unit; 8, switch is set; 9, left side group Fresnel Lenses; 10, left side group Fresnel Lenses; 11, signal processor; 12, sensing unit.
Embodiment::
As shown in Figure 1, with existing heat release infrared alarm different be, it is released infrared sensor PIR3 and processing unit 6, the warning output unit 7 except Fresnel Lenses 2, heat are arranged, increased the photosensitive receiving element 4,5 of imaging len 1, imaging len 1 imaging surface, photosensitive receiving element 4,5 is on both direction, one is provided with switch 8 and is used for setting photosensitive receiving element 4,5 those positions and at first has image to change and when reaching setting value, satisfy the condition of one of them output of reporting to the police.
Place high level as configuration switch, for deploying troops on garrison duty on the left side; Configuration switch places low level, for deploying troops on garrison duty on the right.In Fig. 1, switch disconnects, the I/O mouth detects and is the high level input, at this moment the left side has image to change, the photosensitive receiving element 4 of left side correspondence has intensity variation, and when intensity variation during greater than threshold values K, processing unit 6 further detects heat and releases the signal of infrared sensor PIR3 and whether surpass a threshold values K1, the signal of releasing infrared sensor PIR3 when heat surpasses threshold values K1, processing unit 6 control warning output units 7 output alarm signals.
Another detection mode of Fig. 1 is, processing unit 6 at first detects heat and whether releases the signal of infrared sensor PIR3 above a threshold values K1, when the signal of releasing infrared sensor PIR3 when heat surpasses threshold values K1, processing unit 6 further detects the photosensitive receiving element 4 of imaging len 1 imaging surface, whether 5 have intensity variation, when switch disconnects, the I/O mouth detects and is the high level input, at this moment the left side at first has image to become simultaneously, the photosensitive receiving element 4 of left side correspondence has intensity variation, and intensity variation is during greater than threshold values K, this moment processing unit 6 control warning output units 7 output alarm signals.
In the present invention, it is not absolute causing the output of reporting to the police when satisfying above-mentioned two conditions, but is accurately for a complete procedure of the sensing detection that satisfies above-mentioned two conditions.Whether need to report to the police in principle also need be to the authentication, particularly deploying troops on garrison duty to the door of identity.Because from then on the household enters, and from then on the burglar also can enter.As sending an encrypted message by Radio infrared, less radio-frequency, and cipher authentication passes through, and then exports an alerting signal, can effectively overcome above-mentioned problem.
Right two the photosensitive receiving elements 4,5 of the first from left of imaging len 1 imaging surface, can provide a correct comparative result on the one hand, can tell non-cloth defence area and cloth defence area on the other hand, this is fit to for many families that need intelligence to deploy troops on garrison duty, in deploying troops on garrison duty as family owing to can tell non-cloth defence area and cloth defence area, the household walks about at home like this, at first the photosensitive receiving element image by non-cloth defence area correspondence causes that light intensity changes, the photosensitive receiving element image that enters the defence area correspondence again causes that light intensity changes, and to surpass corresponding threshold value be can not cause warning.Its biggest advantage is not need frequent tear open anti-and deploy troops on garrison duty again, and making deploys troops on garrison duty has more hommization.
Have a problem deserving of attention to be in the problems referred to above, enter the cloth defence area by non-cloth defence area simultaneously as two or more people, after this, one of them leaves the cloth defence area and enters non-cloth defence area or leave the cloth defence area and the Fei Bu defence area; After the time, the people who does not leave, will satisfy two above-mentioned conditions simultaneously and can cause wrong report to non-cloth defence area from the cloth defence area when this situation, and the method for solution obviously can be passed through two kinds of steps.A kind of step is to get rid of this situation during installation as much as possible.Second kind of step is:
The process of sensing unit record with the variation of identification different directions moving target from non-cloth defence area to the cloth defence area;
When at first causing corresponding sensing unit light intensity variation and surpass threshold values, write down a sign by non-cloth defence area moving target;
When causing that by non-cloth defence area moving target corresponding sensing unit light intensity changes and surpasses threshold values again, and cloth defence area moving target causes that corresponding sensing unit light intensity changes and surpasses threshold values, writes down a sign simultaneously;
When the signal that detection simultaneously has heat to release infrared sensor PIR3 surpasses threshold values K1 and surpasses threshold values K1 all the time, also write down a sign;
Duplicate detection heat is released infrared sensor, and whether signal surpasses threshold values K1, is duplicate detection;
Otherwise, eliminate above-mentioned sign.
Owing to simultaneously two sensing devices that are used for the detected activity target are arranged, what photosensitive receiving element 4,5 by imaging len 1, imaging len 1 imaging surface constituted can the corresponding light intensity of detection orientation image change; Another is to confirm to cause that is set an orientation image variation, causes simultaneously whether the factor that corresponding image space light intensity changes moves generation by human body.It for eliminate that single moving target sensing device exists problem be very effective.
Realize that the another kind of mode of Fig. 1 purpose is that Fig. 2 provides, different with Fig. 1 is that Fresnel Lenses 2 is to be made of left side group Fresnel Lenses 9 and left side group Fresnel Lenses 10, and the human body thermal infrared signal from left and right directions is focused on.At this moment left sensing unit 4 and right sensing unit 5 adopt the thermal infrared imaging element, and the thermal infrared imaging element is divided into Zuo Qu He You district.One is provided with switch 8 and is used to set that position, Zuo Qu He You district and at first has image to change and when reaching setting value.Because left sensing unit 4 and right sensing unit 5 adopt the thermal infrared imaging element, satisfy the condition of one of them output of reporting to the police in this case, also just satisfy the condition of another output of reporting to the police simultaneously.But the requirement to left side group Fresnel Lenses 9 and left side group Fresnel Lenses 10 will be very high.
Fig. 3 has provided a kind of circuit theory diagrams of the embodiment of realization 1 structure, by the single-chip microcomputer EMP78P485 that has 8 road A/D converters constitute processing unit 6, a heat is released infrared sensor PIR3, one is used to detect the signal processor 11 that heat is released red sensor PIR, and signal processor 11 adopts S9803.One is used for the sensing unit 12 (left sensing unit 4 and right sensing unit 5) of direction of moving target detection and is used for direction of moving target switch 8 is set, the single-chip microcomputer EMP78P485 that has 8 road A/D converters is one 8 tunnel 8 a single-chip microcomputer, the left and right region sensing unit 4,5 that is used for the sensing unit 12 that direction of moving target detects is connected on wherein two the A/D conversion mouthful ADC1 and the ADC2 of 8 tunnel 8 single-chip microcomputer respectively, is used to detect heat and releases the signal output of the S9803 of red sensor PIR and be electrically connected with the I/O mouth of single-chip microcomputer EMP78P485.Configuration switch 8 and warning output unit 7 connect respectively with other I/O mouth and are electrically connected.
The enforcement circuit that Fig. 3 provides is a kind of obviously problem embodiment of we can say that existing device and circuit constitute of utilizing, and the embodiment that in fact is used to finish task of the present invention is a lot.Adopt as the photosensitive receiving element 4,5 of subregion CCD or cmos image sensor or thermal infrared sensing unit are carried out subregion, treatment circuit 6 at this moment wants relative complex many.Can adopt circuit structure among Fig. 3 and adopt discrete photoelectric receiving tube and photoresistance to constitute the subregion testing circuit.
Claims (6)
1, a kind of safety alarming method is characterized in that: which comprises at least,
One is used for discerning the sensing unit that the different directions moving target changes, comprise that a processing unit is according to the orientation of setting, and the sensing unit signal in corresponding orientation analyzed, at first cause a permissive condition that changes as the output of reporting to the police when the sensing unit of setting the orientation correspondence;
A thermal infrared sensing unit, be used for the detected activity target and send thermal infrared, if can send thermal infrared, will be according to a threshold values of the signal intensity of thermal infrared another condition as the warning export permit, when having only above-mentioned two conditions to be met, can provide warning message.
2, a kind of safety alarming method according to claim 1, it is characterized in that: described to be used for discerning the sensing unit that the different directions moving target changes be to be made of thermal infrared imaging, the thermal infrared sensing unit is by piecemeal, has only variation that the thermal infrared sensing unit of direction initialization correspondence at first a causes permissive condition as the output of reporting to the police.
3, a kind of safety alarming method according to claim 1, it is characterized in that: described to be used for discerning the sensing unit that the different directions moving target changes be to be made of by the photoelectric device of piecemeal and processing unit imaging lens, imaging lens imaging surface, has only variation that the photoelectric device of direction initialization correspondence at first causes another permissive condition as the output of reporting to the police.
4, a kind of safety alarming method according to claim 1, it is characterized in that: whether describedly be used for discerning the sensing unit that the different directions moving target changes and be used for the detected activity target whether can to send the unit of thermal infrared be to carry out alarm detection and output by the following method, at first detecting is a variation that sensing unit at first causes of direction initialization correspondence; If whether the detected activity target can be sent thermal infrared and reach the threshold values requirement, as reach the threshold values requirement and provide the output of reporting to the police, as do not reach the threshold values requirement and will not allow the output of reporting to the police.
5, a kind of safety alarming method according to claim 1, it is characterized in that: whether the described thermal infrared leaflet unit output signal that is used for the detected activity target reaches the threshold values requirement, as reach threshold values, further detect and be used for discerning the sensing unit that the different directions moving target changes, described unit is according to the orientation of setting, and the inductor signal in corresponding orientation analyzed, when at first causing to change, the sensing unit of setting the orientation correspondence providing the output of reporting to the police; As the inductor of setting the orientation correspondence is not to cause that at first variation does not then allow the output of reporting to the police.
6, a kind of safety alarming method according to claim 1 is characterized in that: the described process of sensing unit record from non-cloth defence area to the cloth defence area that changes with identification different directions moving target is;
When at first causing corresponding sensing unit light intensity variation and surpass threshold values, write down a sign by non-cloth defence area moving target;
When causing that by non-cloth defence area moving target corresponding sensing unit light intensity changes and surpasses threshold values again, and cloth defence area moving target causes that corresponding sensing unit light intensity changes and surpasses threshold values, writes down a sign simultaneously;
When the signal that detection simultaneously has heat to release infrared sensor PIR3 surpasses threshold values K1 and surpasses threshold values K1 all the time, also write down a sign;
Duplicate detection heat is released infrared sensor, and whether signal surpasses threshold values K1, is duplicate detection;
Otherwise, eliminate above-mentioned sign.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410073446 CN1790429A (en) | 2004-12-18 | 2004-12-18 | Safety alarming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410073446 CN1790429A (en) | 2004-12-18 | 2004-12-18 | Safety alarming method |
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| Publication Number | Publication Date |
|---|---|
| CN1790429A true CN1790429A (en) | 2006-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410073446 Pending CN1790429A (en) | 2004-12-18 | 2004-12-18 | Safety alarming method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102270368A (en) * | 2010-02-18 | 2011-12-07 | 韩国电子通信研究院 | Apparatus and method for identifying human being and animal |
| CN102472030A (en) * | 2009-07-30 | 2012-05-23 | 西荣科技有限公司 | Pir motion sensor system |
| CN107707634A (en) * | 2017-09-20 | 2018-02-16 | 上海移为通信技术股份有限公司 | To the illegal dismounting identifying system of product and its method |
-
2004
- 2004-12-18 CN CN 200410073446 patent/CN1790429A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102472030A (en) * | 2009-07-30 | 2012-05-23 | 西荣科技有限公司 | Pir motion sensor system |
| CN102472030B (en) * | 2009-07-30 | 2014-05-14 | 西荣科技有限公司 | Pir motion sensor system |
| CN102270368A (en) * | 2010-02-18 | 2011-12-07 | 韩国电子通信研究院 | Apparatus and method for identifying human being and animal |
| CN107707634A (en) * | 2017-09-20 | 2018-02-16 | 上海移为通信技术股份有限公司 | To the illegal dismounting identifying system of product and its method |
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