CN202838575U - Receiving alarming circuit of infrared safety protection alarming device - Google Patents
Receiving alarming circuit of infrared safety protection alarming device Download PDFInfo
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- CN202838575U CN202838575U CN 201220550749 CN201220550749U CN202838575U CN 202838575 U CN202838575 U CN 202838575U CN 201220550749 CN201220550749 CN 201220550749 CN 201220550749 U CN201220550749 U CN 201220550749U CN 202838575 U CN202838575 U CN 202838575U
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Abstract
The utility model relates to the technical field of safety protection and provides a receiving alarming circuit of an infrared safety protection alarming device. The receiving alarming circuit is characterized by comprising an infrared receiving tube D3, triodes VT01-VT05, resistors R01-R09, capacitors C01-C05, a chip CD401 for latching signals, a chip 9300 for alarming output and an oscillating chip NE555, wherein a base of the triode VT01 is connected with the power supply VCC through the infrared receiving tube D3, a collector of the triode VT01 is connected with the power supply VCC, an emitter of triode VT01 is grounded through the resistor R04 which is a negative feedback resistor to stabilize static working points of the triode VT01, the emitter of triode VT01 is coupled to a base of the triode VT02 through the capacitor C01, and the base of the triode VT02 is connected to the power supply VCC through the resistor R03. The receiving alarming circuit is applicable to the technical field of safety protection.
Description
Technical field
The present invention relates to technical field of security and protection, a kind of reception warning circuit of infrared safety protection alarm device is provided.
Background technology
In departments such as industrial or agricultural, fire-fighting, bank, hotel, market, space flight, often need to monitor and report to the police environment, occur with the behavior that prevents from having things stolen, and bank, hotel etc., burglar alarm is vital especially.In burglary-resisting system in the past, generally adopt the technical measures such as pyroelectricity, microwave to gather human body invasion signal, these are when indoor application, preferably effect is arranged, yet in many occasions such as the places such as enclosure wall and courtyard, deploy troops on garrison duty, the above measure of carrying rate of false alarm in practice is high, sometimes even can't work.
We know, in the environmental parameter of routine, the human body intrusion detector be very easy to be subjected to environment impact and so that parameter change, maturation along with infrared ray and laser technology, many infrared theftproof and laser anti-thefts that apply to outdoor occasion begin to be born, because light is linear transmission, at transmitting terminal emission light beam, middle as nothing is blocked, and then receiving end just can be received normal light beam; When having people's process to deploy troops on garrison duty the zone, light beam is blocked, and this moment, receiving end just can't receive light beam, thereby started warning circuit work, reached the purpose of warning.
Summary of the invention
Purpose of the present invention is providing a kind of reception warning circuit of infrared safety protection alarm device.
The present invention is by the following technical solutions to achieve these goals:
A kind of reception warning circuit of infrared safety protection alarm device, it is characterized in that, comprise infrared receiving tube D3, triode VT01-VT05, resistance R 01-R09, capacitor C 01-C05, that be used for to realize signal latchs the CD4011 chip, 9300 chips that are used for warning output, vibration chip NE555, the base stage of described triode VT01 is connected with power supply VCC by infrared receiving tube D3, the collector of described triode VT01 is connected with power supply VCC, and emitter is by R04 ground connection, and R04 is negative feedback resistor, stablize the quiescent point of triode VT01, described triode VT01 emitter is coupled to the base stage of triode VT02 by capacitor C 01, and the base stage of described triode VT02 meets power supply VCC by resistance R 03, and R03 provides base bias voltage for triode VT02, the collector of described triode VTO2 is connected with power supply VCC by resistance R 05, R5 provides collector voltage for triode VT02, and the collector of described triode VTO2 connects 5 leads ends of CD4011
The RS pin of described NE555 is connected power supply VCC with the VCC pin, the TH pin of described NE555 is connected with power supply VCC by resistance R 01, be provided with capacitor C 02 between the TH pin of described NE555 and ground connection, the TH pin of described NE555 is connected with the collector of triode VT03, the base stage of triode VT03 is connected the TL pin by resistance R 06 and 4 pin of CD4011 and is connected with NE555, the C0 pin of NE555 passes through C03 ground connection; The output OU end of described NE555 is connected with 2 pin of CD4011;
4 pin of described CD4011 are connected with 5 pin, 14 pin meet power supply VCC, 12,13,3 pin link together, 1 pin of described CD4011 is connected with 11 pin by resistance R 09,1 pin of described CD4011 meets power supply CVC by capacitor C 04,9,8 pin of the described CD4011 ground connection that links together, the 7 pin ground connection of described CD4011; 11 pin of described CD4011 are connected with triode VT03 base stage by R07, and the collector of VT03 meets power supply VCC, and the emitter that the emitter of described VT03 connects the signal input part VT03 of alert 9300 chips of exporting passes through capacitor C 05 ground connection.
The present invention has following beneficial effect because adopt above technical scheme:
One, interchangeability of the present invention good (can change in pairs), fast response time, antijamming capability is strong, and peripheral circuit is simple, and directly logical transmitter module carries out infrared emission.Therefore volume is little.
Two, by reducing the dutycycle of pulse generating signal, increase the loss emissive power, transmitting range is far away.Can carry out remote security protection.
Three, has auto-alarm function.In case there is the people to invade, block just energy automatic alarm of infrared ray, and signal is locked, warning circuit also will be worked always, until artificial the releasing can be cancelled warning.
Four, the safety protection alarm device based on infrared emitting, reception utilizes the emission reception of infraluminescence pipe and integrated circuit to form system, this system has simple in structure, reliability is high, easy to operate, can realize the automatic monitoring to the scene, have good practical value, need not the people's automatic control operation that just can carry out anti-theft security on the scene.Therefore, it can greatly reduce staff's workload on the one hand, increases work efficiency; Can promote on the other hand personnel's reasonable arrangement, economize on resources that especially human resources have great help.Can be enclosure wall in addition, the scenes such as courtyard provide quick and easy antitheft service, so that more reasonable arrangement and utilization.
Description of drawings
Fig. 1 is that the present invention receives warning circuit figure.
Embodiment
A kind of infrared safety protection alarm device comprises infrared transmitting circuit and infrared reception warning circuit;
Described a kind of infrared transmitting circuit, comprise the infraluminescence pipe, power Vcc, capacitor C 11, C12, C13, resistance R 9, R10, R11, R12, R13, R14, triode VT, VT6,555 vibration chips, the triggering pin TL of described 555 vibration chips is by capacitor C 12 ground connection, the triggering pin TL of described 555 vibration chips is connected with threshold values pin TH, described threshold values pin TH is connected with discharge end by resistance R 14, described discharge end connects power supply VCC by resistance R 13, the control power end of described 555 vibration chips is by electric capacity R13 ground connection, the output terminal OUT of described 555 vibration chips is by capacitor C 11 and the coupling of triode VT6 base stage, the base stage of described triode VT6 meets VCC by R11, R11 resistance provides bias current for VT6, the collector of described triode VT6 is connected with VCC by resistance R 9, R9 provides collector voltage for triode VT6, the grounded emitter of triode VT6, the base stage of described triode VT is connected with the VT6 collector, the collector of described triode VT is connected with VCC by R12, R12 provides collector voltage for VT, and the emitter of described VT is connected with the infraluminescence pipe.
A kind of reception warning circuit of infrared safety protection alarm device, comprise infrared receiving tube D3, triode VT01-VT05, resistance R 01-R09, capacitor C 01-C05, that be used for to realize signal latchs the CD4011 chip, 9300 chips that are used for warning output, vibration chip NE555, the base stage of described triode VT01 is connected with power supply VCC by infrared receiving tube D3, the collector of described triode VT01 is connected with power supply VCC, emitter is by R04 ground connection, R04 is negative feedback resistor, stablizes the quiescent point of triode VT01, and described triode VT01 emitter is coupled to the base stage of triode VT02 by capacitor C 01, the base stage of described triode VT02 meets power supply VCC by resistance R 03, R03 provides base bias voltage for triode VT02, and the collector of described triode VTO2 is connected with power supply VCC by resistance R 05, and R5 provides collector voltage for triode VT02, the collector of described triode VTO2 connects 5 leads ends of CD4011
The RS pin of described NE555 is connected power supply VCC with the VCC pin, the TH pin of described NE555 is connected with power supply VCC by resistance R 01, be provided with capacitor C 02 between the TH pin of described NE555 and ground connection, the TH pin of described NE555 is connected with the collector of triode VT03, the base stage of triode VT03 is connected the TL pin by resistance R 06 and 4 pin of CD4011 and is connected with NE555, the C0 pin of NE555 passes through C03 ground connection; The output OU end of described NE555 is connected with 2 pin of CD4011;
4 pin of described CD4011 are connected with 5 pin, 14 pin meet power supply VCC, 12,13,3 pin link together, 1 pin of described CD4011 is connected with 11 pin by resistance R 09,1 pin of described CD4011 meets power supply CVC by capacitor C 04,9,8 pin of the described CD4011 ground connection that links together, the 7 pin ground connection of described CD4011; 11 pin of described CD4011 are connected with triode VT03 base stage by R07, and the collector of VT03 meets power supply VCC, and the emitter that the emitter of described VT03 connects the signal input part VT03 of alert 9300 chips of exporting passes through capacitor C 05 ground connection.
And in the warning link, used 9300 integrated circuit, as long as adding a small amount of electric current, the outside just can conveniently export our own needed chimes of doom.Under the condition of 9300 anode energising, negativing ending grounding will output signal at signal end, but signal source is very weak, must be amplified, so we have added 9013 and sound in order to drive loudspeaker at circuit diagram.
Claims (1)
1. the reception warning circuit of an infrared safety protection alarm device, it is characterized in that, comprise infrared receiving tube D3, triode VT01-VT05, resistance R 01-R09, capacitor C 01-C05, that be used for to realize signal latchs the CD4011 chip, 9300 chips that are used for warning output, vibration chip NE555, the base stage of described triode VT01 is connected with power supply VCC by infrared receiving tube D3, the collector of described triode VT01 is connected with power supply VCC, and emitter is by R04 ground connection, and R04 is negative feedback resistor, stablize the quiescent point of triode VT01, described triode VT01 emitter is coupled to the base stage of triode VT02 by capacitor C 01, and the base stage of described triode VT02 meets power supply VCC by resistance R 03, and R03 provides base bias voltage for triode VT02, the collector of described triode VTO2 is connected with power supply VCC by resistance R 05, R5 provides collector voltage for triode VT02, and the collector of described triode VTO2 connects 5 leads ends of CD4011
The RS pin of described NE555 is connected power supply VCC with the VCC pin, the TH pin of described NE555 is connected with power supply VCC by resistance R 01, be provided with capacitor C 02 between the TH pin of described NE555 and ground connection, the TH pin of described NE555 is connected with the collector of triode VT03, the base stage of triode VT03 is connected the TL pin by resistance R 06 and 4 pin of CD4011 and is connected with NE555, the C0 pin of NE555 passes through C03 ground connection; The output OU end of described NE555 is connected with 2 pin of CD4011;
4 pin of described CD4011 are connected with 5 pin, 14 pin meet power supply VCC, 12,13,3 pin link together, 1 pin of described CD4011 is connected with 11 pin by resistance R 09,1 pin of described CD4011 meets power supply CVC by capacitor C 04,9,8 pin of the described CD4011 ground connection that links together, the 7 pin ground connection of described CD4011; 11 pin of described CD4011 are connected with triode VT03 base stage by R07, and the collector of VT03 meets power supply VCC, and the emitter that the emitter of described VT03 connects the signal input part VT03 of alert 9300 chips of exporting passes through capacitor C 05 ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550749 CN202838575U (en) | 2012-10-25 | 2012-10-25 | Receiving alarming circuit of infrared safety protection alarming device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220550749 CN202838575U (en) | 2012-10-25 | 2012-10-25 | Receiving alarming circuit of infrared safety protection alarming device |
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| CN202838575U true CN202838575U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220550749 Expired - Fee Related CN202838575U (en) | 2012-10-25 | 2012-10-25 | Receiving alarming circuit of infrared safety protection alarming device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680005A (en) * | 2013-11-26 | 2014-03-26 | 成都博盛信息技术有限公司 | Infrared transmitting circuit of infrared alarm device |
| CN103680011A (en) * | 2013-11-26 | 2014-03-26 | 成都博盛信息技术有限公司 | Wireless infrared safeguard alarming device |
| CN103680000A (en) * | 2013-11-26 | 2014-03-26 | 成都博盛信息技术有限公司 | Antitheft device |
| CN103680006A (en) * | 2013-11-26 | 2014-03-26 | 成都博盛信息技术有限公司 | Infrared transmitting circuit of wireless infrared safeguard alarming device |
| CN104950342A (en) * | 2015-06-29 | 2015-09-30 | 孙敏 | Mouse and fly bioinstrumentation circuit in health quarantine IoT (Internet of Things) |
-
2012
- 2012-10-25 CN CN 201220550749 patent/CN202838575U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680005A (en) * | 2013-11-26 | 2014-03-26 | 成都博盛信息技术有限公司 | Infrared transmitting circuit of infrared alarm device |
| CN103680011A (en) * | 2013-11-26 | 2014-03-26 | 成都博盛信息技术有限公司 | Wireless infrared safeguard alarming device |
| CN103680000A (en) * | 2013-11-26 | 2014-03-26 | 成都博盛信息技术有限公司 | Antitheft device |
| CN103680006A (en) * | 2013-11-26 | 2014-03-26 | 成都博盛信息技术有限公司 | Infrared transmitting circuit of wireless infrared safeguard alarming device |
| CN104950342A (en) * | 2015-06-29 | 2015-09-30 | 孙敏 | Mouse and fly bioinstrumentation circuit in health quarantine IoT (Internet of Things) |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20130327 Termination date: 20131025 |