CN1716327A - Digital double infrared detector (DTP) - Google Patents
Digital double infrared detector (DTP) Download PDFInfo
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- CN1716327A CN1716327A CN 200510035109 CN200510035109A CN1716327A CN 1716327 A CN1716327 A CN 1716327A CN 200510035109 CN200510035109 CN 200510035109 CN 200510035109 A CN200510035109 A CN 200510035109A CN 1716327 A CN1716327 A CN 1716327A
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- infrared
- dtp
- infrared detector
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Abstract
The digital double infrared detector used in safe guard field includes active infrared detector to receive the self-emitted infrared signal, passive infrared detector to detect human body's infrared signal inside the detected area, and control module to treat the human body's infrared signal and the infrared receiver received infrared signal and to send out alarm signal. The digital double infrared detector also includes support box and reflector rack inside the box to bear the passive infrared detector and the active infrared detector. The present invention has simple installation process, and lower error report rate.
Description
[technical field]
The present invention relates to safety-security area, relate in particular to a kind of infrared detection device that is used on the door and window.
[background technology]
Along with The development in society and economy, people are also more and more higher to the security product performance demands, the infrared launcher and the infrared receiving device of present infrared beam interruption detector generally all are installed separately, and it is corresponding one by one, or infrared launcher and infrared receiving device be contained in the same side, then replace at opposite side with reflective mirror.Infrared launcher is launched infrared signal continuously, directly by infrared receiving device this infrared signal is received; Infrared launcher is launched infrared signal continuously and also can be launched on the infrared receiving device through reflective mirror.When having the people to swarm into search coverage, because a part of infrared signal is interdicted fully or during by the blocking of given number percent, detector will send warning message, thereby realizes the function of Prevention-Security.But there is the shortcoming of two aspects in this infrared beam interruption detector: on the one hand, need respectively infrared launcher and infrared receiving device to be installed, the installation procedure more complicated also will be installed reflective mirror sometimes; On the other hand, when pet or other non-infringement objects enter search coverage, infrared signal is interdicted, thereby cause the wrong report of detector, add unnecessary trouble to the user.
In addition, mainly be to utilize pyroelectricity human-body infrared sensing device (PIR) that the infrared signal of human body radiation is detected in passive infrared detector, when infrared sensor detected the infrared signal of human body radiation, detector will send warning message, thereby realized the function of Prevention-Security.But when the invador utilizes other means to change its shell temperature or when adopting the foam powder invasion of cooling type, passive infrared detects can not detect effective infrared signal in time, thereby does not send alerting signal timely to alarm, causes and fails to report; And the anti-pet poor performance of passive infrared detector, be easy to be disturbed false alarm by pet.
[summary of the invention]
The technical problem to be solved in the present invention provides a kind of digital double infrared detector (DTP), not only can simplify the installation procedure of infrared detection device, and can reduce the rate of false alarm of infrared detection device.
The present invention realizes by following technical scheme:
A kind of digital double infrared detector (DTP), comprise the active infrared sniffer, be used to receive the infrared signal of himself sending, also comprise passive infrared detection device and control module, described passive infrared detection device detects the infrared signal of human body institute radiation in the search coverage, the infrared signal that the infrared signal of described control module overall treatment human body radiation and infrared receiving device receive, output alarm signal.
Improvement of the present invention is: also comprise the support box body, portion is set with reflector bracket within it, and the middle part of described reflector bracket is recessed, the two ends projection; Described passive infrared detection device is fixed on the support box body and is positioned at recess under the middle part of reflector bracket; Described active infrared sniffer is fixed on the projection at reflector bracket two ends.
Fresnel Lenses before described passive infrared detection device comprises infrared sensor and is positioned at infrared sensor.
Described active infrared sniffer comprises infrared launcher and the infrared receiving device that is separately positioned on reflector bracket left end and the right-hand member projection; The infrared signal that described infrared launcher sends is received by infrared receiving device.
Described infrared launcher is provided with the emission reflective mirror and is positioned at the infraluminescence pipe at this emission reflective mirror focus place; Described infrared receiving device is provided with the infrared signal receiver that receives reflective mirror and be positioned at this reception reflective mirror focus place.
Improvement of the present invention is: also comprise the support end cap, described support end cap is the diamond shaped thin plate, vicinity, four angles and center at the diamond shaped thin plate are respectively equipped with four apertures and a center pit, described support end cap is fixed by these four apertures and support box body, and the knob at described reflector bracket two ends is nested in respectively in the center pit of left and right sides support end cap.
The angle of described emission reflective mirror and reception reflective mirror can be regulated by adjusting handle, the center pit that described adjusting handle passes described support end cap is installed on the sidewall of support box body, and can be fastened to each other with the knob at described reflector bracket two ends, drive the knob rotation.
Improvement of the present invention is: also comprise side cover, described side cover can be sealed described support box body, and described side cover is that strip is tabular, is provided with through groove wherein at the middle part of side cover, and the residing position of this groove is corresponding in the position of described Fresnel Lenses.
Improvement of the present invention is: also comprise loam cake and preceding mirror, and the described preceding parallel placement of mirror with side cover, described loam cake and preceding mirror all are fixed on the support box body, and seal support box body other plane except that the bottom surface together.
Because adopt above-mentioned technical scheme, infrared launcher in the active infrared sniffer and infrared receiving device all are arranged on the inside of infrared detection device, do not need respectively they to be installed, reduced the program of installing; Because it is the angle of emission reflective mirror and reception reflective mirror can be regulated, and then can set the monitor area that active infrared is surveyed in the sniffer according to concrete occasion, easy to use; Be provided with active infrared surveys and passive infrared detection two parts in the inside of sniffer, and the position of passive infrared detection device is in recess under the middle part of reflector bracket, effectively utilize the sniffer volume inside, dwindled the volume of sniffer; Passive infrared detection can detect the mobile infrared signal that human body sent effectively, remedied the deficiency that active infrared is surveyed, thereby reduced the interference of pet or other non-infringement objects to infrared detection device, reduced the rate of false alarm of infrared detection device, the accuracy rate of warning brings up to 99% from 88%.
[description of drawings]
Fig. 1 is a fractionation perspective view of the present invention.
Fig. 2 is the perspective view of reflector bracket.
Fig. 3 is the vertical view of loam cake.
Fig. 4 is the synoptic diagram of side cover.
Fig. 5 is the synoptic diagram of preceding mirror.
Fig. 6 is the perspective view of adjusting handle.
Fig. 7 is the structural representation of support end cap.
[embodiment]
As shown in Figure 1, a kind of digital double infrared detector (DTP) comprises detection circuit and support box body 4, described detection circuit is arranged on support box body 4 inside, is provided with reflector bracket 1 at support box body 4 internal fixation, as shown in Figure 2, the middle part of described reflector bracket 1 is recessed, the two ends projection.
Detection circuit comprises active infrared sniffer and passive infrared detection device.
Wherein, the active infrared sniffer comprises infrared launcher and the infrared receiving device that is separately positioned on reflector bracket 1 left end and right-hand member; The infrared signal that infrared launcher sends is received by infrared receiving device.
Wherein, the passive infrared detection device comprise be fixed on the support box body 4 and be positioned at the infrared sensor PIR of recess under the middle part of reflector bracket 1 and be positioned at infrared sensor PIR before Fresnel Lenses M; Fresnel Lenses M makes according to the Fresnel principle, and Infrared is divided into visible range and blind area, has the effect of focusing simultaneously again, and the sensitivity of infrared sensor PIR is increased greatly.
Infrared launcher is provided with emission reflective mirror A1, is positioned at the infraluminescence pipe at this emission reflective mirror A1 focus place; Infrared receiving device is provided with and receives reflective mirror B1, is positioned at the infrared signal receiver at this reception reflective mirror B1 focus place; Emission reflective mirror A1 and reception reflective mirror B1 are optical reflector of curved surface, their adjustable angle, angle of regulation range can be according to specific circumstances between clockwise 45 degree and counterclockwise 45 degree, change the emission or the receive direction of infrared signal, thereby can select specific search coverage.
Because infrared detection device generally all uses out of doors, and often do not move, therefore have dust or small worm, in use elongated after, these dusts can have influence on the performance of infrared detection device, therefore in order to prevent the influence of dust or small worm, this infrared detection device also comprises side cover 3 as shown in Figure 4, described side cover 3 can be sealed described support box body 4, described side cover 3 is that strip is tabular, be provided with through groove wherein at the middle part of side cover 3, described Fresnel Lenses M is fixed in this groove.This infrared detection device also comprises loam cake 5 and the preceding mirror 2 shown in Fig. 3 and Fig. 5 difference in addition, described loam cake 5 and preceding mirror 2 all are fixed on the support box body 4, described loam cake 5 encases the part of described support box body 4, and described preceding mirror 2 is substantially parallel with side cover 3, and encases side cover 3.Preceding mirror 2 is to make with the PC material, is beneficial to ultrared penetrating.
As shown in Figure 6, the angle of described emission reflective mirror A1 and reception reflective mirror B1 can be regulated by adjusting handle 7, the center pit that described adjusting handle 7 passes described support end cap 6 is installed on the sidewall of support box body 4, and can be fastened to each other with the knob at described reflector bracket 1 two ends, drive the knob rotation.
In order to make reflector bracket 1 can be fixed in the support box body 4 more firmly, this infrared detection device also comprises support end cap 6, as shown in Figure 7, described support end cap 6 is the diamond shaped thin plate, vicinity, four angles and center at the diamond shaped thin plate are respectively equipped with four apertures and a center pit, described support end cap 6 is fixed by these four apertures and support box body 4, and the knob at described reflector bracket 1 two ends is nested in respectively in the center pit of left and right sides support end cap 6.
When infrared detection device is in running order, in the infrared launcher of active infrared sniffer, the infraluminescence pipe that is on the focus of launching reflective mirror A1 sends infrared light, after the reflection of infrared light through emission reflective mirror A1, the infrared beam that forms specific direction is radiated in the search coverage, when the people swarms into, diffuse reflection through human body reflexes to this infrared beam on the reception reflective mirror B1, and then the infrared signal receiver that is positioned at this reception reflective mirror B1 focus place receives this infrared beam, that is: infrared receiving device receives the infrared light that sends from infrared launcher, satisfied alert if one, simultaneously, infrared sensor PIR in the passive infrared detection device detects the infrared signal that human body sends, satisfy alert if two, satisfy at the same time under the situation of alert if one and alert if two, infrared detection device just sends warning message, active infrared and passive infrared have remedied defective separately mutually, have improved the accuracy of reporting to the police.
This infrared detection device is easy for installation, does not need respectively infrared launcher and infrared receiving device to be installed separately, and can select specific monitor area by the angle of regulating emission reflective mirror A1 and reception reflective mirror B1, and is user-friendly; This infrared detection device has also added infrared sensor PIR, improves the recognition capability to human body, has improved the accuracy of reporting to the police.
Claims (9)
1, a kind of digital double infrared detector (DTP), comprise the active infrared sniffer, be used to receive the infrared signal of himself sending, it is characterized in that: also comprise passive infrared detection device and control module, described passive infrared detection device detects the infrared signal of human body institute radiation in the search coverage, the infrared signal that the infrared signal of described control module overall treatment human body radiation and infrared receiving device receive, output alarm signal.
2, a kind of digital double infrared detector according to claim 1 (DTP) is characterized in that: also comprise support box body (4), portion is set with reflector bracket (1) within it, and the middle part of described reflector bracket (1) is recessed, the two ends projection; Described passive infrared detection device is fixed on support box body (4) and goes up and be positioned at recess under the middle part of reflector bracket (1); Described active infrared sniffer is fixed on the projection at reflector bracket (1) two ends.
3, a kind of digital double infrared detector according to claim 2 (DTP) is characterized in that: described passive infrared detection device comprises infrared sensor (PIR) and is positioned at the preceding Fresnel Lenses (M) of infrared sensor (PIR).
4, a kind of digital double infrared detector according to claim 2 (DTP) is characterized in that: described active infrared sniffer comprises infrared launcher and the infrared receiving device that is separately positioned on reflector bracket (1) left end and the right-hand member projection; The infrared signal that described infrared launcher sends is received by infrared receiving device.
5, a kind of digital double infrared detector according to claim 4 (DTP) is characterized in that: described infrared launcher is provided with emission reflective mirror (A1) and is positioned at the infraluminescence pipe at this emission reflective mirror (A1) focus place; Described infrared receiving device is provided with the infrared signal receiver that receives reflective mirror (B1) and be positioned at this reception reflective mirror (B1) focus place.
6, a kind of digital double infrared detector according to claim 2 (DTP), it is characterized in that: also comprise support end cap (6), described support end cap (6) is the diamond shaped thin plate, vicinity, four angles and center at the diamond shaped thin plate are respectively equipped with four apertures and a center pit, described support end cap (6) is fixed by these four apertures and support box body (4), and the knob at described reflector bracket (1) two ends is nested in respectively in the center pit of left and right sides support end cap (6).
7, a kind of digital double infrared detector according to claim 6 (DTP), it is characterized in that: the angle of described emission reflective mirror (A1) and reception reflective mirror (B1) can be regulated by adjusting handle (7), the center pit that described adjusting handle (7) passes described support end cap (6) is installed on the sidewall of support box body (4), and can be fastened to each other with the knob at described reflector bracket (1) two ends, drive the knob rotation.
8, a kind of digital double infrared detector according to claim 2 (DTP), it is characterized in that: also comprise side cover (3), described side cover (3) can be sealed described support box body (4), described side cover (3) is that strip is tabular, be provided with through groove wherein at the middle part of side cover (3), the residing position of this groove is corresponding in the position of described Fresnel Lenses (M).
9, a kind of digital double infrared detector according to claim 8 (DTP), it is characterized in that: also comprise loam cake (5) and preceding mirror (2), mirror (2) and the parallel placement of side cover (3) before described, described loam cake (5) and preceding mirror (2) all are fixed on the support box body (4), and seal support box body (4) other plane except that the bottom surface together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510035109 CN1716327A (en) | 2005-06-02 | 2005-06-02 | Digital double infrared detector (DTP) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510035109 CN1716327A (en) | 2005-06-02 | 2005-06-02 | Digital double infrared detector (DTP) |
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| CN1716327A true CN1716327A (en) | 2006-01-04 |
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| CN 200510035109 Pending CN1716327A (en) | 2005-06-02 | 2005-06-02 | Digital double infrared detector (DTP) |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007147322A1 (en) * | 2006-06-16 | 2007-12-27 | Hong Kong Applied Science And Technology Research Institute Co. Ltd (Astri) | Monitoring devices and surveillance devices |
| WO2007147323A1 (en) * | 2006-06-16 | 2007-12-27 | Hong Kong Applied Science and Technology Research Institute Co. Ltd | Monitoring devices and surveillance devices incorporating same |
| CN101945154A (en) * | 2010-08-31 | 2011-01-12 | 上海酷吧信息技术有限公司 | Mobile phone with infrared safety device |
| CN102976168A (en) * | 2012-12-03 | 2013-03-20 | 苏州工业园区拓朴环保净化有限公司 | Full-automatic infrared probe winding machine |
| US8723717B2 (en) | 2008-12-23 | 2014-05-13 | Sony Corporation | Adaptive sensing system |
| CN108062841A (en) * | 2017-02-06 | 2018-05-22 | 朱保生 | National boundary Intelligent electronic fence manages system |
| CN108257341A (en) * | 2017-02-06 | 2018-07-06 | 朱保生 | Suitable for the Intelligent electronic fence system set up in national boundary |
-
2005
- 2005-06-02 CN CN 200510035109 patent/CN1716327A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007147322A1 (en) * | 2006-06-16 | 2007-12-27 | Hong Kong Applied Science And Technology Research Institute Co. Ltd (Astri) | Monitoring devices and surveillance devices |
| WO2007147323A1 (en) * | 2006-06-16 | 2007-12-27 | Hong Kong Applied Science and Technology Research Institute Co. Ltd | Monitoring devices and surveillance devices incorporating same |
| US7414236B2 (en) | 2006-06-16 | 2008-08-19 | Hong Kong Applied Science And Technology Research Institute Co., Ltd. | Monitoring devices and intrusion surveillance devices |
| US8723717B2 (en) | 2008-12-23 | 2014-05-13 | Sony Corporation | Adaptive sensing system |
| US9645232B2 (en) | 2008-12-23 | 2017-05-09 | Sony Corporation | Adaptive sensing system |
| CN101945154A (en) * | 2010-08-31 | 2011-01-12 | 上海酷吧信息技术有限公司 | Mobile phone with infrared safety device |
| CN102976168A (en) * | 2012-12-03 | 2013-03-20 | 苏州工业园区拓朴环保净化有限公司 | Full-automatic infrared probe winding machine |
| CN108062841A (en) * | 2017-02-06 | 2018-05-22 | 朱保生 | National boundary Intelligent electronic fence manages system |
| CN108257341A (en) * | 2017-02-06 | 2018-07-06 | 朱保生 | Suitable for the Intelligent electronic fence system set up in national boundary |
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