CN103914939A - Infrared monitoring alarm device - Google Patents
Infrared monitoring alarm device Download PDFInfo
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- CN103914939A CN103914939A CN201310001957.3A CN201310001957A CN103914939A CN 103914939 A CN103914939 A CN 103914939A CN 201310001957 A CN201310001957 A CN 201310001957A CN 103914939 A CN103914939 A CN 103914939A
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Abstract
The invention belongs to the field of security and provides an infrared monitoring alarm device. The infrared monitoring alarm device comprises an infrared monitoring module, a monitoring switch module, a level processing module and a sound-light alarm module and is used for monitoring infrared rays radiating from human bodies in a monitored area, and when it is monitored that a person enters the monitored area and conducts activities and the monitoring switch module is switched on, the sound-light alarm module gives out sound and light prompts to achieve the warning function. The whole infrared monitoring alarm device is simple in structure, easy to obtain, and low in equipment cost and maintenance cost.
Description
Technical field
The invention belongs to safety-security area, relate in particular to a kind of infrared monitoring warning device.
Background technology
At present, at the many public places that need to monitor specific region or private site, prior art generally adopts with the monitoring device of camera and realizes the character activities in specific region is carried out to Real-Time Monitoring.Although above-mentioned prior art can be clear realizes monitoring exactly, because it adopts camera and is equipped with corresponding periphery circuit devices and corresponding monitoring software, make whole monitoring scheme comparatively complicated, and equipment cost and maintenance cost all higher.
Summary of the invention
The object of the present invention is to provide a kind of infrared monitoring warning device, be intended to solve the existing monitoring scheme complexity of prior art, and equipment cost and the high problem of maintenance cost.
The present invention is achieved in that a kind of infrared monitoring warning device, comprises the power circuit of input end incoming transport electricity, and described power circuit has the direct current of fixed voltage value for described alternating current being carried out to transformation, rectifying and wave-filtering and the rear output one of voltage stabilizing processing; Described infrared monitoring warning device also comprises:
Infrared monitoring module, power end is connected with the output terminal of described power circuit, monitors, and correspondingly export monitoring feedback signal according to monitoring result for the infrared ray that the human body in monitor area is given off;
Monitoring switch module, input end is connected with the output terminal of described power circuit, realizes make-break operation for the switching manipulation according to user, and according to correspondingly output switch control signal of described make-break operation;
Level processing module, first input end is connected with the output terminal of described monitoring switch module with the output terminal of described infrared monitoring module respectively with the second input end, for described monitoring feedback signal and described switch controlling signal are carried out generating alarm control signal after logical process;
Sound and light alarm module, input end is connected with the output terminal of described level processing module, for starting according to described alarm control signal or closing sound and light of alarm.
The present invention comprises described infrared monitoring module by employing, described monitoring switch module, the infrared monitoring warning device of described level processing module and described sound and light alarm module, the infrared ray that human body in monitor area in monitor area is given off is monitored, in the time monitoring someone and enter monitor area and carry out activity and described monitoring switch module in conducting state, described sound and light alarm module can be sent acousto-optic hint to realize warning function, whole infrared monitoring warning device simple in structure, be easy to realize, and equipment cost and maintenance cost are low, solve the existing monitoring scheme complexity of prior art, and the problem that equipment cost and maintenance cost are high.
Brief description of the drawings
Fig. 1 is the modular structure figure of the infrared monitoring warning device that provides of the embodiment of the present invention;
Fig. 2 is the exemplary circuit structural drawing of the infrared monitoring warning device that provides of the embodiment of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention comprises the infrared monitoring warning device of infrared monitoring module, monitoring switch module, level processing module and sound and light alarm module by employing, the infrared ray that human body in monitor area in monitor area is given off is monitored, in the time monitoring someone and enter monitor area and carry out activity and monitoring switch module in conducting state, sound and light alarm module can be sent acousto-optic hint to realize warning function, whole infrared monitoring warning device simple in structure, be easy to realize, and equipment cost and maintenance cost low.
Fig. 1 shows the modular structure of the infrared monitoring warning device that the embodiment of the present invention provides, and for convenience of explanation, only shows part related to the present invention, and details are as follows:
Infrared monitoring warning device comprises the power circuit 100 of input end incoming transport electricity, and power circuit 100 has the direct current of fixed voltage value for described alternating current being carried out to transformation, rectifying and wave-filtering and the rear output one of voltage stabilizing processing.
The infrared monitoring warning device that the embodiment of the present invention provides also comprises:
Infrared monitoring module 200, power end is connected with the output terminal of power circuit 100, monitors, and correspondingly export monitoring feedback signal according to monitoring result for the infrared ray that the human body in monitor area is given off;
Monitoring switch module 300, input end is connected with the output terminal of power circuit 100, realizes make-break operation for the switching manipulation according to user, and according to correspondingly output switch control signal of this make-break operation;
Level processing module 400, first input end is connected with the output terminal of monitoring switch module 300 with the output terminal of infrared monitoring module 200 respectively with the second input end, and the switch controlling signal of exporting for monitoring feedback signal that infrared monitoring module 200 is exported and monitoring switch module 300 carries out generating alarm control signal after logical process;
Sound and light alarm module 500, input end is connected with the output terminal of level processing module 400, starts or closes sound and light of alarm for the alarm control signal that generates according to level processing module 400.
Fig. 2 shows the exemplary circuit structure of the infrared monitoring warning device that the embodiment of the present invention provides, and for convenience of explanation, only shows part related to the present invention, and details are as follows:
As one embodiment of the present invention, power circuit 100 comprises:
Transformer T1, diode D1, filter capacitor C1 and voltage stabilizing chip U1;
The first end 1 of the armature winding of transformer T1 and the second end 2 are as the input end incoming transport electricity AC of power circuit 100, the first end 3 of the secondary winding of transformer T1 connects the anode of diode D1, the positive pole of the negative electrode of diode D1 and filter capacitor C1 is connected to the input end Vin of voltage stabilizing chip U1 altogether, the second end 4 and the negative pole of filter capacitor C1 and the earth terminal GND of voltage stabilizing chip U1 of the secondary winding of transformer T1 are connected to ground altogether, and the output end vo ut of voltage stabilizing chip U1 is as the output terminal of power circuit 100.Wherein, voltage stabilizing chip U1 can be specifically the three terminal regulator of 78 series, as 7805 voltage stabilizers, 7806 voltage stabilizers and 7812 voltage stabilizers etc.
As one embodiment of the present invention, infrared monitoring module 200 comprises pyroelectric infrared detector U2 and adjustable resistance RP1, the power end 3 of pyroelectric infrared detector U2 and positive output end 1 are respectively power end and the output terminal of infrared monitoring module 200, earth terminal 6 ground connection of pyroelectric infrared detector U2, and reversed-phase output 2 skies of pyroelectric infrared detector U2 connect, the first end of adjustable resistance RP1 and the second end are connected respectively the first gain-adjusted end 4 and the second gain-adjusted end 5 of pyroelectric infrared detector U2.Wherein, pyroelectric infrared detector U2 can be the infrared eye of HT911 series in actual application.
As one embodiment of the present invention, monitoring switch module 300 comprises resistance R 1 and switch S B1, the first end of resistance R 1 and the second end are respectively input end and the output terminal of monitoring switch module 300, the second end of the normal opened contact 2 contact resistance R1 of switch S B1, make and break contact 1 ground connection of switch S B1.
As one embodiment of the present invention, level processing module 400 comprises phase inverter U3 and Sheffer stroke gate U4, the first input end 1 of the input end of phase inverter U3 and Sheffer stroke gate U4 is respectively first input end and second input end of level processing module 400, the second input end 2 of Sheffer stroke gate U4 connects the output terminal of phase inverter U3, and the output terminal 3 of Sheffer stroke gate U4 is the output terminal of level processing module 400.
As one embodiment of the present invention, sound and light alarm module 500 comprises:
LED 1, loudspeaker LS1 and resistance R 2;
The anode of LED 1 is the input end of sound and light alarm module 500, the positive power source terminal of loudspeaker LS1 and the negative electrode of negative power end difference connecting luminous diode LED1 and the first end of resistance R 2, the second end ground connection of resistance R 2.
Below in conjunction with principle of work, above-mentioned infrared monitoring warning device is described further:
After infrared monitoring warning device incoming transport electricity AC, power circuit 200 is started working and alternating current AC is carried out to transformation, rectifying and wave-filtering and voltage stabilizing process after output one low pressure and the direct current with fixed voltage value be pyroelectric infrared detector U2 power supply, subsequently, pyroelectric infrared detector U2 starts the infrared signal in monitor area to monitor, in the time monitoring the infrared ray that human body gives off, pyroelectric infrared detector U2 can export high level (being monitoring feedback signal) to phase inverter U3 from its positive output end 1, phase inverter U3 carries out second input end 2 of anti-phase rear output one low level to Sheffer stroke gate U4 to this high level, if the now closed conducting of switch S B1, resistance R 1 can from the output terminal of voltage stabilizing chip U1 introduce direct current and export a high level (being switch controlling signal) to Sheffer stroke gate U4 first input end 1, so, the low level that Sheffer stroke gate U4 inputs respectively its first input end 1 and the second input end 2 and high level carry out can driving LED 1 realize luminous prompting by output one high level (being alarm control signal) after NAND Logic computing, and and then make the loudspeaker LS1 warning of sounding, if now switch S B1 disconnects, the first input end 1 of Sheffer stroke gate U4 obtains low level (being switch controlling signal) from the second end of resistance R 1, Sheffer stroke gate U4 will output low level (being alarm control signal) so, and now LED 1 and loudspeaker LS1 all quit work.
Therefore,, in the time that user need to carry out infrared monitoring, only need gauge tap SB1 closure can make whole infrared monitoring warning device enter normal operating conditions.
The embodiment of the present invention comprises infrared monitoring module by employing, monitoring switch module, the infrared monitoring warning device of level processing module and sound and light alarm module, the infrared ray that human body in monitor area in monitor area is given off is monitored, in the time monitoring someone and enter monitor area and carry out activity and monitoring switch module in conducting state, sound and light alarm module can be sent acousto-optic hint to realize warning function, whole infrared monitoring warning device simple in structure, be easy to realize, and equipment cost and maintenance cost are low, solve the existing monitoring scheme complexity of prior art, and the problem that equipment cost and maintenance cost are high.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. an infrared monitoring warning device, comprises the power circuit of input end incoming transport electricity, and described power circuit has the direct current of fixed voltage value for output one after described alternating current being carried out to transformation, rectifying and wave-filtering and voltage stabilizing and processing; It is characterized in that, described infrared monitoring warning device also comprises:
Infrared monitoring module, power end is connected with the output terminal of described power circuit, monitors, and correspondingly export monitoring feedback signal according to monitoring result for the infrared ray that the human body in monitor area is given off;
Monitoring switch module, input end is connected with the output terminal of described power circuit, realizes make-break operation for the switching manipulation according to user, and according to correspondingly output switch control signal of described make-break operation;
Level processing module, first input end is connected with the output terminal of described monitoring switch module with the output terminal of described infrared monitoring module respectively with the second input end, for described monitoring feedback signal and described switch controlling signal are carried out generating alarm control signal after logical process;
Sound and light alarm module, input end is connected with the output terminal of described level processing module, for starting according to described alarm control signal or closing sound and light of alarm.
2. infrared monitoring warning device as claimed in claim 1, it is characterized in that, described infrared monitoring module comprises pyroelectric infrared detector and adjustable resistance RP1, the power end of described pyroelectric infrared detector and positive output end are respectively power end and the output terminal of described infrared monitoring module, the earth terminal ground connection of described pyroelectric infrared detector, and the reversed-phase output sky of described pyroelectric infrared detector connects, the first end of described adjustable resistance RP1 and the second end are connected respectively the first gain-adjusted end and the second gain-adjusted end of described pyroelectric infrared detector.
3. infrared monitoring warning device as claimed in claim 1, it is characterized in that, described monitoring switch module comprises resistance R 1 and switch, the first end of described resistance R 1 and the second end are respectively input end and the output terminal of described monitoring switch module, the normal opened contact of described switch connects the second end of described resistance R 1, the make and break contact ground connection of described switch.
4. infrared monitoring warning device as claimed in claim 1, it is characterized in that, described level processing module comprises phase inverter and Sheffer stroke gate, the input end of described phase inverter and the first input end of described Sheffer stroke gate are respectively first input end and second input end of described level processing module, the second input end of described Sheffer stroke gate connects the output terminal of described phase inverter, and the output terminal of described Sheffer stroke gate is the output terminal of described level processing module.
5. infrared monitoring warning device as claimed in claim 1, is characterized in that, described sound and light alarm module comprises:
LED 1, loudspeaker and resistance R 2;
The anode of described LED 1 is the input end of described sound and light alarm module, and the positive power source terminal of described loudspeaker is connected respectively the negative electrode of described LED 1 and the first end of described resistance R 2 with negative power end, the second end ground connection of described resistance R 2.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310001957.3A CN103914939B (en) | 2013-01-04 | 2013-01-04 | A kind of infrared monitoring warning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310001957.3A CN103914939B (en) | 2013-01-04 | 2013-01-04 | A kind of infrared monitoring warning device |
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| CN103914939A true CN103914939A (en) | 2014-07-09 |
| CN103914939B CN103914939B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310001957.3A Expired - Fee Related CN103914939B (en) | 2013-01-04 | 2013-01-04 | A kind of infrared monitoring warning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869329A (en) * | 2016-05-13 | 2016-08-17 | 成都易思科科技有限公司 | Alarm method with human body infrared detection function |
| CN112837483A (en) * | 2021-01-11 | 2021-05-25 | 陈红娜 | Alarm circuit for preventing outsiders from entering X-ray machine room |
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| GB2384855A (en) * | 2001-09-26 | 2003-08-06 | Optex Co Ltd | Anti-thief security sensor assembly |
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| JP4460516B2 (en) * | 2005-10-19 | 2010-05-12 | セコム株式会社 | Human body detection device |
| CN201698550U (en) * | 2010-07-04 | 2011-01-05 | 中南林业科技大学 | Smart anti-theft device |
| CN202257804U (en) * | 2011-10-10 | 2012-05-30 | 上海天昊电脑信息服务有限公司 | Anti-theft system |
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2013
- 2013-01-04 CN CN201310001957.3A patent/CN103914939B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2410692Y (en) * | 1999-10-25 | 2000-12-13 | 张玉成 | Fully automatic anti-theft robbing-proof alarm device |
| CN2522942Y (en) * | 2001-07-20 | 2002-11-27 | 陈玉文 | Microcomputer controlled anti-theft alarming device |
| GB2384855A (en) * | 2001-09-26 | 2003-08-06 | Optex Co Ltd | Anti-thief security sensor assembly |
| JP4460516B2 (en) * | 2005-10-19 | 2010-05-12 | セコム株式会社 | Human body detection device |
| CN101083012A (en) * | 2007-06-27 | 2007-12-05 | 华东师范大学 | Alarming device with infrared and pressure dual sensing |
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| CN105869329A (en) * | 2016-05-13 | 2016-08-17 | 成都易思科科技有限公司 | Alarm method with human body infrared detection function |
| CN112837483A (en) * | 2021-01-11 | 2021-05-25 | 陈红娜 | Alarm circuit for preventing outsiders from entering X-ray machine room |
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| Publication number | Publication date |
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| CN103914939B (en) | 2016-04-13 |
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