CN101308594A - Collapsible infrared alarm - Google Patents
Collapsible infrared alarm Download PDFInfo
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- CN101308594A CN101308594A CNA2008100381277A CN200810038127A CN101308594A CN 101308594 A CN101308594 A CN 101308594A CN A2008100381277 A CNA2008100381277 A CN A2008100381277A CN 200810038127 A CN200810038127 A CN 200810038127A CN 101308594 A CN101308594 A CN 101308594A
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- infrared
- infrared light
- alarm
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Abstract
A folding infrared alarm comprises an infrared emitting head, an infrared light receiving head and an alarm, and is characterized in that a required anti-theft door frame or window frame is provided with high infrared reflectance or with an infrared high-reflectance slat; the light emitted by the infrared emitting head is reflected by the infrared high-reflectance slat of the door frame or window frame for multiple times to form an invisible light grid barrier and enter the infrared light receiving head; once the infrared light is blocked, the alarm gives an alarm. The invention can accurately give an alarm.
Description
Technical field
The present invention relates to the photoelectron burglary-resisting system, particularly a kind of Collapsible infrared alarm.
Technical background
Existing now electric anti-thief device or system various in style is used for the thief-proof antitheft of family, office, department of enterprises and institutions, plays the significant role of electronic police, receives strong effect.Make a general survey of existing photoelectron anti-theft device, wherein a kind of is to adopt infrared technology, comprises passive type and active two kinds of series.The passive type Infrared intrusion detector is to utilize infrared receiver device to receive a kind of device that ultrared principle that body temperature gives off realizes electronic warning, as patent authorization notification number: 2466330,2489075 etc.; The active infrared laser light beam that then adopts human eye can't see as invisible enclosure wall, as people's attempt invasion by force, during human body cutting light beam, sends warning, authorizes notification number as patent: 2439696,2505573 etc.But be not difficult to find that these infrared alarm equipments have defective:
Because of laser instrument can only be launched the light of a branch of infrared wavelength, and generally its light beam is little, creates fashionablely by force if the suspect unconsciously avoids light beam, as shown in Figure 1, must occur failing to report and causes serious adverse consequences; As cat, when small-sized uninvited guest such as mouse interts light path, wrong report may appear again perhaps.
Summary of the invention
The objective of the invention is the problem at above-mentioned prior art existence, a kind of Collapsible infrared alarm is provided, this infrared optics alarm can make up invisible optical barrier one to required thief-proof antitheft door, window, can implement like clockwork to report to the police.
Ultimate principle of the present invention is to utilize the framework of infrared beam by door or window that this infrared beam reflected to form the folding of light beam back and forth, constitute an invisible light grid barrier, as long as a certain light beam in the cutting light grid, at once send warning, so we claim that it is Collapsible infrared alarm.
Technical solution of the present invention is as follows:
A kind of Collapsible infrared alarm, comprise that infrared light emitting head, infrared light receive head and alarm is formed, be characterized on required thief-proof antitheft doorframe or window frame, having the infrared light high reflectance or be provided with the high reflection of infrared light batten, the Infrared of being sent by described infrared light emitting head repeatedly reflects through the high reflection of the infrared light batten of described doorframe or window frame and enters described infrared light after constituting an invisible light grid barrier and receive head, in case described Infrared is blocked, described alarm promptly sends warning.
Described infrared light emitting head and infrared light receive two following base angles or two last drift angles that head is arranged on described doorframe or window frame.
Described infrared light emitting head is made of the light emission driving power, infrared light supply and the optical alignment system that are installed in the frame.
Described infrared light supply is that GaAs is semiconductor laser diode, the InP base long wavelength laser diode of base; Or GaAs base, InP based light-emitting diode.
Described infrared light receives head and is made up of the receiving optics, photo-detector and the amplifying circuit that are installed in the machine box.
Described alarm is made up of power supply, electronic switch, warning device and mechanical fastening system.
Described high reflection batten is the decoration batten with high reflectance that surfacing, bright and clean sheet metal or nonmetallic materials sheet material process, or the overall reflective batten, or discrete polylith reflector plate.
Described optical alignment system and receiving optics are the lens with certain clear aperature.
Described warning device is hummer or alarm bell or other alert indicator.
Other infrared optics alarm of the collapsible infrared laser alarm of the present invention comparison has following outstanding advantage:
1, the Infrared of being sent by described infrared light emitting head repeatedly reflects through the high reflection of the infrared light batten of described doorframe or window frame and constitutes an invisible light grid barrier, forms invisible optical gate one, does not have dead angle and blind area, really realizes safe and reliable;
2, by rational light path design, only form the folding effect that reaches multichannel light of light with a branch of light, reduce the device preparation cost greatly;
3, apparatus structure is tightly beaten, and volume is little in light weight, installs hiddenly, and it is good to take precautions against performance.
Description of drawings
Fig. 1 has only single light beam for the light channel structure of existing infrared laser alarm, can't avoid failing to report;
Fig. 2 is the light channel structure of collapsible infrared laser alarm of the present invention and the composition framework of device
Fig. 3 is the framework of infrared emission head;
Fig. 4 receives the framework of head for optics;
Fig. 5 is the framework of warning system;
Fig. 6 is the layout of many windows disjunctor situation infrared optics warning folded optical path;
Fig. 7 is the stainless steel circle sheet synoptic diagram of light reflection
Embodiment
The invention will be further described below in conjunction with embodiment and accompanying drawing, but should not limit protection scope of the present invention with this.
See also Fig. 2 earlier, Fig. 2 is the light channel structure of collapsible infrared laser alarm of the present invention and the composition framework of device, as seen from the figure, the collapsible infrared laser alarm of the present invention by infrared light emitting head 1, high reflection batten 2, infrared light receive 3 and alarm 4 form.Infrared light emitting head 1 comprises parts such as light emission driving power 5, infrared light supply 6, optical alignment system 7 and frame 8 as shown in Figure 3.Infrared light receives 3 as shown in Figure 4, comprises parts such as receiving optics 9, photo-detector 10, amplifying circuit 11 and machine box 12.Alarm 4 promptly is made up of power supply 13, electronic switch 14, warning device 15 and mechanical fastening system 16 as shown in Figure 5.
The course of work of Collapsible infrared alarm is as follows:
Infrared light supply 6 is under the pumping of driving power 5 drives, the light beam of emission infrared wavelength, after optical alignment system 7, launch the light beam of collimation, this light beam (shown in Fig. 2 arrow) is with the lower end aperture outgoing of certain incident angle high reflection lath 2 from the left side, repeatedly come back reflective by three blocks of high reflection laths 2, be built into a light grid barrier in the space of door or window, the light beam that reflects at last reflects batten 2 lower end apertures by the receiving optics in the infrared receiving terminal 39 by the right height, focus on the sensitive surface of photo-detector 10, light signal is transformed into electric signal, through the amplification of amplifying circuit 11, with the work of this amplifying signal control warning system 4.When the people cut in the light grid arbitrary light path, infrared receiving terminal 3 just lost light signal, equaled to cut off the electric signal of electronic switch 13 controls, and alerting signal is sent in energized 14, warning device 15 work thereupon.
Below the main components and parts of forming Collapsible infrared alarm are done some explanations.
Light source drive power 6 is and the pumping source of transmitting illuminant coupling that the circuit design of practicability generally adopts digital low-frequency pulse modulation, has the measure of light source diode protection concurrently.
The lens that optical alignment system 7 and receiving optics 9 are Design and Machining, have certain clear aperature.It can process with materials (grinding and polishing or mold pressing) such as glass, organic glass, transparent plastics.
Photo-detector 10 is devices of opto-electronic conversion, promptly the signal transition of light is become the device of electric signal.Therefore its wavelength response will be complementary with the emission wavelength of laser instrument, promptly for the corresponding silicon detector (comprising silicon photocell, PiN diode, silicon triode etc.) of selecting for use of GaAs base ballistic device, for greater than corresponding germanium detector or the InGaAs detector selected for use of the light source of 1 micron wave length, as required can be from market purchasing.
Amplifying circuit 11 is conventional amplifying circuit.
The most successful, the only application of the present invention is as invisible burglary-resisting window or antitheft door.The installation that is used for burglary-resisting window is at first described.The basic structure of Collapsible infrared alarm is still illustrated as Fig. 2.Wherein provide the length dimension of three blocks of high anti-battens of beam reflection to decide according to the size of window frame, overall appearance and window, door are coordinated coupling.Embodiment adopts the 0.5mm stainless steel sheet| to decorate as the bound edge of window frame and is used for the catadioptric of light.Symmetric position place, both sides, bottom at window frame leaves
Aperture, receive an installation of 3 for infrared light emitting head 1 and infrared light.
The clear aperature of infrared light emitting head is 5mm, infrared light receive head the reception effective aperture be 20mm.
If situation for many windows disjunctor, needn't all install separately by each window, but they are considered as a window, its light path arrangement as shown in Figure 6, at this moment because horizontal span hinge in window top is big, for example more than 3 meters, and the reflection spot of window top margin be placed in the middle a bit, therefore the stainless steel circle sheet is alternative as shown in Figure 7 can to paste lastblock herein, so that economical with materials also can reduce installation cost.
For fear of the interference of sunshine, infrared light emitting head 1 and infrared light receive 3 two of can be installed in window or door and go up drift angle.
Claims (9)
1, a kind of Collapsible infrared alarm, comprise infrared light emitting head (1), infrared light receives head (3) and alarm (4) is formed, it is characterized in that having the infrared light high reflectance or being provided with the high reflection of infrared light batten (2) at required thief-proof antitheft doorframe or window frame, the Infrared of being sent by described infrared light emitting head (1) enters described infrared light reception head (3) after the infrared light high reflection batten (2) of described doorframe or window frame repeatedly reflects to form invisible light grid barrier of formation, in case described Infrared is blocked, described alarm (4) promptly sends warning.
2, Collapsible infrared alarm according to claim 1 is characterized in that described infrared light emitting head (1) and infrared light receive two following base angles or two last drift angles that head (3) is arranged on described doorframe or window frame.
3, Collapsible infrared alarm according to claim 1 is characterized in that described infrared light emitting head (1) is made of the light emission driving power (5), infrared light supply (6) and the optical alignment system (7) that are installed in the frame (8).
4, Collapsible infrared alarm according to claim 1 is characterized in that described infrared light supply (6) is semiconductor laser diode, the InP base long wavelength laser diode of GaAs for base; Or GaAs base, InP based light-emitting diode.
5, Collapsible infrared alarm according to claim 1 is characterized in that described infrared light receives head (3) and is made up of the receiving optics (9), photo-detector (10) and the amplifying circuit (11) that are installed in the machine box (12).
6, Collapsible infrared alarm according to claim 1 is characterized in that described alarm (4) is made up of power supply (13), electronic switch (14), warning device (15) and mechanical fastening system (16).
7, Collapsible infrared alarm according to claim 1, it is characterized in that described high reflection batten (2) is the decoration batten with high reflectance that surfacing, bright and clean sheet metal or nonmetallic materials sheet material process, or overall reflective batten, or discrete polylith reflector plate.
8,, it is characterized in that described optical alignment system (7) and receiving optics (9) are the lens with certain clear aperature according to claim 3 or 5 described Collapsible infrared alarms.
9, Collapsible infrared alarm according to claim 6 is characterized in that described warning device (15) is hummer or alarm bell or other alert indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100381277A CN101308594A (en) | 2008-05-28 | 2008-05-28 | Collapsible infrared alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100381277A CN101308594A (en) | 2008-05-28 | 2008-05-28 | Collapsible infrared alarm |
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| Publication Number | Publication Date |
|---|---|
| CN101308594A true CN101308594A (en) | 2008-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100381277A Pending CN101308594A (en) | 2008-05-28 | 2008-05-28 | Collapsible infrared alarm |
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| CN (1) | CN101308594A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012555A (en) * | 2010-10-14 | 2011-04-13 | 中国科学院安徽光学精密机械研究所 | Open long-optical path multiple reflecting pool system for eliminating turbulence effect |
| CN103905795A (en) * | 2014-04-15 | 2014-07-02 | 吴江市赛纳电子科技有限公司 | Self-photographing surveillance camera |
| CN109922242A (en) * | 2019-03-14 | 2019-06-21 | 深圳市优冠安防科技有限公司 | One kind is infrared to automatically track ball machine |
-
2008
- 2008-05-28 CN CNA2008100381277A patent/CN101308594A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102012555A (en) * | 2010-10-14 | 2011-04-13 | 中国科学院安徽光学精密机械研究所 | Open long-optical path multiple reflecting pool system for eliminating turbulence effect |
| CN102012555B (en) * | 2010-10-14 | 2012-07-18 | 中国科学院安徽光学精密机械研究所 | Open long-optical path multiple reflecting pool system for eliminating turbulence effect |
| CN103905795A (en) * | 2014-04-15 | 2014-07-02 | 吴江市赛纳电子科技有限公司 | Self-photographing surveillance camera |
| CN109922242A (en) * | 2019-03-14 | 2019-06-21 | 深圳市优冠安防科技有限公司 | One kind is infrared to automatically track ball machine |
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Open date: 20081119 |