CN101458859A - Indoor window type anti-theft method - Google Patents
Indoor window type anti-theft method Download PDFInfo
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- CN101458859A CN101458859A CNA2008102324160A CN200810232416A CN101458859A CN 101458859 A CN101458859 A CN 101458859A CN A2008102324160 A CNA2008102324160 A CN A2008102324160A CN 200810232416 A CN200810232416 A CN 200810232416A CN 101458859 A CN101458859 A CN 101458859A
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- pyroelectricity
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Abstract
The invention relates to an indoor window type theft prevention method, which is characterized by comprising a pyroelectric circuit (1) and an active infrared detection circuit (2) which are fixed in a shell (3). In one detection window time, when the pyroelectric circuit (1) and the active infrared detection circuit (2) both have signals, a single chip (8) obtains information to alarm or output alarm message; outside one detection window time, when the pyroelectric circuit (1) and the active infrared detection circuit (2) both have signals, the single chip (8) enters into delay program state. The alarm will not warn for the entrance of families and will instantly warn for the window entrance of outsiders.
Description
Technical field
The present invention relates to a kind of indoor window type anti-theft method, particularly a kind of indoor window type anti-theft method.
Background technology
Existing passive heat Infrared intrusion detector since price low, easy to use, by a large amount of uses in the safe antitheft field.The passive heat infrared alarm is by receiving the detection that human body 8-12 μ m thermal infrared wavelengths realize human body target.In general, the passive heat Infrared intrusion detector is regardless of stranger and household, will report to the police as long as detect 8-12 μ m thermal infrared signals.There is following problem at least in it: 1, wrong report easily: because 8-12 μ m thermal infrared signals do not exist only in human body, animal body, some household electrical appliance such as air-conditioning, sound wave stove etc. also can produce the signal of this wavelength when work, cause wrong report, therefore, when the passive heat Infrared intrusion detector is used in family, pay particular attention to setting angle; 2, be regardless of household and stranger: will report to the police as long as detect 8-12 μ m thermal infrared signals, therefore the household goes home in use, at first closes the switch of passive heat Infrared intrusion detector, can give the robber with opportunity at night.
In order to prevent that the problems referred to above from taking place, sell a kind of magnetic alarm now in a large number, it is by the magnetic device tongue tube of a magnetic device and induced field is installed on door, window, and tongue tube is during near magnetic field, dry-reed tube switch disconnects, alarm quits work, and realize reporting to the police in the position, when moving door, window, the magnetic field that magnetic device produces can reduce in a certain position, tongue tube in the circuit is connected, and alerting signal is sent in warning circuit work.Sort circuit is simpler, and is reliable, but wants to open the door or during window, must close a power switch of magnetic alarm in advance, because in time do not close alarm switch, can trigger alarm during careless mobile window and send warning.
Summary of the invention
The purpose of this invention is to provide a kind of indoor window type anti-theft method, when having only the layman to open door and window, alarm can not reported to the police, and the stranger swarms into outside window, and alarm will be reported to the police immediately.
The object of the present invention is achieved like this, a kind of indoor window type anti-theft method, it is characterized in that: it comprises pyroelectricity circuit and the active infrared testing circuit that is fixed in the housing, at a detection window in the time, when pyroelectricity circuit and active infrared testing circuit had signal simultaneously, single-chip microcomputer obtained output alarm or output alarm information after the information; Outside time, when pyroelectricity circuit and active infrared testing circuit had signal simultaneously, single-chip microcomputer entered the delay procedure state at a detection window.
Described active infrared testing circuit is a two-way active infrared testing circuit; When the pyroelectricity signal, Single-chip Controlling active infrared testing circuit sends infrared light to both sides downwards or with center line, infrared emission circuit emission infrared signal, infrared receiving tube receives infrared signal, two-way active infrared testing circuit to infrared surveillance district emission infrared light, as detects infrared return signal and illustrates that then infrared monitored space has target to exist under the control of single-chip microcomputer; As detecting, illustrate that then infrared monitored space does not have target to exist less than infrared return message.
By movable supporting plate housing is divided into two spaces up and down in the described housing, there is battery in the space on the movable supporting plate, movable supporting plate lower end fixing circuit board has active infrared testing circuit, pyroelectricity circuit, power circuit, single-chip microcomputer and radio transmitter on the circuit board; The pyroelectric sensor of the infrared transmitting tube of active infrared testing circuit and infrared receiving tube and pyroelectricity circuit is downward by the perforate of housing.
The perforate by housing of described infrared transmitting tube and infrared receiving tube downwards and the perforate of the pyroelectric sensor of pyroelectricity circuit by housing one angle is arranged downwards.
Described angle is between 10-30 °.
The described detection window time is at 1-4s.
Principle of work of the present invention and characteristics are: because the present invention comprises pyroelectricity circuit 17 and the active infrared testing circuit 7 that is fixed in the housing at least, the pyroelectric sensor of the infrared transmitting tube of active infrared testing circuit 7 and infrared receiving tube 13 and pyroelectricity circuit 17 is downward by the perforate of housing.Housing is fixed on the window during use, because pyroelectricity circuit 17 is being worked always, when pyroelectricity circuit 17 has signal, Single-chip Controlling active infrared testing circuit 7 sends infrared light to both sides downwards or with center line, infrared emission circuit 12 emission infrared signals, infrared receiving tube 13 receives infrared signal, illustrates then that as infrared backspace signal was arranged in the detection window time monitored space has target to exist, as in the detection window time detecting less than infrared backspace information, illustrate that then monitored space does not have target to exist.Because the household needs the time at least greater than 2-4s from indoor to window.
Description of drawings
The present invention will be further described below in conjunction with the embodiment accompanying drawing.
Fig. 1 is the embodiment of the invention 1 structural representation;
Fig. 2 is a circuit theory synoptic diagram of the present invention.
Among the figure: 1, pyroelectricity circuit; 2, active infrared testing circuit; 3, housing; 4, back up pad; 5, window; 6, pyroelectricity detection zone; 7, infrared surveillance district; 8, single-chip microcomputer; 9, battery; 10, power circuit; 11, infrared transmitting tube; 12, infrared receiving tube; 13, radio transmitter; 14, center line; 15, stabilivolt; 16, circuit board; 17, pyroelectric sensor.
Embodiment
As shown in Figure 1, by movable supporting plate 4 housing 3 is divided into two spaces up and down in the housing 3, there is battery 9 in the space on the movable supporting plate 4, movable supporting plate 4 lower end fixing circuit boards 16, fixedly active infrared testing circuit 2, pyroelectricity circuit 1, power circuit 10, single-chip microcomputer 8 and radio transmitter 13 on the circuit board 16; The pyroelectric sensor 17 of the infrared transmitting tube 11 of active infrared testing circuit 2 and infrared receiving tube 12 and pyroelectricity circuit 1 is downward by the perforate of housing 3.Housing 3 is fixed on the window 5.Because pyroelectricity circuit 1 is being worked always, when pyroelectricity circuit 1 has signal, the infrared emission circuit 11 of single-chip microcomputer 8 control active infrared testing circuits 2 sends infrared light to both sides downwards or with center line 14, infrared receiving tube 12 receives infrared signal, as there is infrared return signal to illustrate that then infrared monitored space 7 has target to exist in the detection window time, as in the detection window time detecting less than infrared return message, illustrate that then infrared monitored space 7 does not have target to exist, single-chip microcomputer 8 enters the delay procedure state.Because the pyroelectricity detection zone 6 of pyroelectricity detecting unit or induction zone want to enter in the covering chamber infrared surveillance district 7, the household needs the time at least greater than 2-4s from indoor to window.Therefore pass through window from indoor to window and stranger by the household, can respond to pyroelectricity immediately and produce signal, the infrared transmitting tube 11 of single-chip microcomputer 8 control active infrared testing circuits 2 sends infrared light to both sides downwards or with center line 14 subsequently, infrared receiving tube 12 also can receive the mistiming method of infrared signal immediately, can reach when having only the layman to open door and window, alarm can not reported to the police, and the stranger swarms into outside window, the purpose that alarm will be reported to the police immediately.
Fig. 2 is a circuit theory synoptic diagram of the present invention.Fixedly active infrared testing circuit 2, pyroelectricity circuit 1, power circuit 10, single-chip microcomputer 8 and radio transmitter 13 on the circuit board 16; Active infrared testing circuit 2 can design one the road or two-way according to operating position.Two-way infrared transmitting tube 11 and infrared receiving tube 12 are antitheft effective especially for left and right sides push pull type window 5.Power circuit 10 adopts three batteries 9 to supply with the 3v voltage of single-chip microcomputer 8, pyroelectricity circuit 1 and active infrared testing circuit 2 through stabilivolt 15 voltage stabilizings.Active infrared testing circuit 2 adopts remote control circuitry.Radio transmitter 13 adopts the standard module circuit of 315Mhz.Pyroelectricity circuit 1 is provided by the producer of pyroelectric sensor 17.
Claims (6)
1, a kind of indoor window type anti-theft method, it is characterized in that: it comprises pyroelectricity circuit (1) and the active infrared testing circuit (2) that is fixed in the housing (3), at a detection window in the time, pyroelectricity circuit (1) and active infrared testing circuit (2) be when having signal simultaneously, and single-chip microcomputer (8) obtains output alarm or output alarm information after the information; Outside time, pyroelectricity circuit (1) and active infrared testing circuit (2) are when having signal simultaneously at a detection window, and single-chip microcomputer (8) enters the delay procedure state.
2, a kind of indoor window type anti-theft method according to claim 1 is characterized in that: described active infrared testing circuit (2) is a two-way active infrared testing circuit; When the pyroelectricity signal, single-chip microcomputer (8) control active infrared testing circuit (2) sends infrared light to both sides downwards or with center line, infrared emission circuit emission infrared signal, infrared receiving tube receives infrared signal, two-way active infrared testing circuit (2) to infrared surveillance district emission infrared light, as detects infrared return signal and illustrates that then infrared monitored space (7) has target to exist under the control of single-chip microcomputer (8); As detecting, illustrate that then infrared monitored space (7) does not have target to exist less than infrared return message.
3, a kind of indoor window type anti-theft method according to claim 1, it is characterized in that: by movable supporting plate (4) housing (3) is divided into two spaces up and down in the described housing (3), movable supporting plate (4) is gone up the space battery (9), movable supporting plate (4) lower end fixing circuit board (16) has active infrared testing circuit (2), pyroelectricity circuit (1), power circuit (10), single-chip microcomputer (8) and radio transmitter (13) on the circuit board (16); The pyroelectric sensor (17) of the infrared transmitting tube (11) of active infrared testing circuit (2) and infrared receiving tube (12) and pyroelectricity circuit (1) is downward by the perforate of housing (3).
4, a kind of indoor window type anti-theft method according to claim 3 is characterized in that: the perforate by housing (3) of described infrared transmitting tube (11) and infrared receiving tube (12) downwards and the perforate of the pyroelectric sensor (17) of pyroelectricity circuit (1) by housing (3) one angle is arranged downwards.
5, a kind of indoor window type anti-theft method according to claim 4, it is characterized in that: described angle is between 10-30 °.
6, a kind of indoor window type anti-theft method according to claim 1 is characterized in that: the described detection window time is at 1-4s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102324160A CN101458859A (en) | 2008-11-25 | 2008-11-25 | Indoor window type anti-theft method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102324160A CN101458859A (en) | 2008-11-25 | 2008-11-25 | Indoor window type anti-theft method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101458859A true CN101458859A (en) | 2009-06-17 |
Family
ID=40769699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102324160A Pending CN101458859A (en) | 2008-11-25 | 2008-11-25 | Indoor window type anti-theft method |
Country Status (1)
| Country | Link |
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| CN (1) | CN101458859A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102999987A (en) * | 2012-12-03 | 2013-03-27 | 上海迈硕电子技术有限公司 | Anti-theft method |
| CN103093565A (en) * | 2012-12-28 | 2013-05-08 | 四川九洲电器集团有限责任公司 | Door magnetic anti-theft alarming device based on Zigbee |
| CN104680695A (en) * | 2014-08-22 | 2015-06-03 | 刘晓青 | Invisible anti-theft window and control method thereof |
| CN104794836A (en) * | 2015-05-05 | 2015-07-22 | 国网上海市电力公司 | Antitheft box-type transformer substation system |
| CN105761394A (en) * | 2015-12-31 | 2016-07-13 | 广州市燧烽电子有限公司 | Indoor window intrusion prevention detection system |
| CN109493552A (en) * | 2018-10-20 | 2019-03-19 | 马成良 | A kind of safety alarm system and its working method |
-
2008
- 2008-11-25 CN CNA2008102324160A patent/CN101458859A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102999987A (en) * | 2012-12-03 | 2013-03-27 | 上海迈硕电子技术有限公司 | Anti-theft method |
| CN102999987B (en) * | 2012-12-03 | 2016-01-27 | 上海迈硕电子技术有限公司 | A kind of theft preventing method |
| CN103093565A (en) * | 2012-12-28 | 2013-05-08 | 四川九洲电器集团有限责任公司 | Door magnetic anti-theft alarming device based on Zigbee |
| CN103093565B (en) * | 2012-12-28 | 2015-06-03 | 四川九洲电器集团有限责任公司 | Door magnetic anti-theft alarming device based on Zigbee |
| CN104680695A (en) * | 2014-08-22 | 2015-06-03 | 刘晓青 | Invisible anti-theft window and control method thereof |
| CN104794836A (en) * | 2015-05-05 | 2015-07-22 | 国网上海市电力公司 | Antitheft box-type transformer substation system |
| CN105761394A (en) * | 2015-12-31 | 2016-07-13 | 广州市燧烽电子有限公司 | Indoor window intrusion prevention detection system |
| CN105761394B (en) * | 2015-12-31 | 2018-09-28 | 广州市燧烽电子有限公司 | Indoor window anti-intrusion detection system |
| CN109493552A (en) * | 2018-10-20 | 2019-03-19 | 马成良 | A kind of safety alarm system and its working method |
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Open date: 20090617 |