CN201213024Y - Collapsible infrared alarm - Google Patents
Collapsible infrared alarm Download PDFInfo
- Publication number
- CN201213024Y CN201213024Y CNU2008200590206U CN200820059020U CN201213024Y CN 201213024 Y CN201213024 Y CN 201213024Y CN U2008200590206 U CNU2008200590206 U CN U2008200590206U CN 200820059020 U CN200820059020 U CN 200820059020U CN 201213024 Y CN201213024 Y CN 201213024Y
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- infrared
- infrared light
- collapsible
- alarm
- head
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Abstract
The utility model provides a folding infrared warner which comprises an infrared-emitting head, an infrared-receiving head and a warner. The folding infrared warner is characterized in that a door or window frame which needs to prevent a theft has high infrared reflectivity or is provided with a high infrared-reflection lath; infrared rays emitted by the infrared-emitting head are repeatedly reflected by the high infrared-reflection lath of the door or window frame to form an invisible light-grid screen and then enter into the infrared-receiving head, once the infrared rays are interrupted, the warner instantly warns. The utility model can correctly implement warning.
Description
Technical field
The utility model 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 purpose of this utility model is the problem that exists at above-mentioned prior art, and a kind of Collapsible infrared alarm is provided, and 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.
The utility model ultimate principle 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 utility model 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 utility model comparison has following 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 utility model 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;
Embodiment
The utility model is described in further detail below in conjunction with embodiment and accompanying drawing, but should not limit protection domain of the present utility model with this.
See also Fig. 2 earlier, Fig. 2 is the light channel structure of collapsible infrared laser alarm of the present utility model and the composition framework of device, as seen from the figure, the collapsible infrared laser alarm of the utility model 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:
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.
Described alarm 15 can be selected hummer or alarm bell or other alert indicator etc. for use.
The most successful, the only application of the utility model 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 |
|---|---|---|---|
| CNU2008200590206U CN201213024Y (en) | 2008-05-28 | 2008-05-28 | Collapsible infrared alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200590206U CN201213024Y (en) | 2008-05-28 | 2008-05-28 | Collapsible infrared alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201213024Y true CN201213024Y (en) | 2009-03-25 |
Family
ID=40497201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200590206U Expired - Fee Related CN201213024Y (en) | 2008-05-28 | 2008-05-28 | Collapsible infrared alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201213024Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620541A (en) * | 2017-09-15 | 2018-01-23 | 程国军 | intelligent indoor air switching device |
-
2008
- 2008-05-28 CN CNU2008200590206U patent/CN201213024Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620541A (en) * | 2017-09-15 | 2018-01-23 | 程国军 | intelligent indoor air switching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090325 Termination date: 20140528 |