CN204695483U - A kind of microwave anti-theft alarm - Google Patents
A kind of microwave anti-theft alarm Download PDFInfo
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- CN204695483U CN204695483U CN201520438480.XU CN201520438480U CN204695483U CN 204695483 U CN204695483 U CN 204695483U CN 201520438480 U CN201520438480 U CN 201520438480U CN 204695483 U CN204695483 U CN 204695483U
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Abstract
The utility model discloses a kind of microwave anti-theft alarm, comprise triode V1, chip IC 1, resistance R1 and power supply E, the pin 14 of the sliding end relay J of the sliding end of the collector of positive pole contact resistance R2, the resistance R7 of described power supply E, resistance R13, triode V1, a stiff end of potentiometer RP1, potentiometer RP1, a stiff end of potentiometer RP3, potentiometer RP3, the contact J-1 of relay J, the pin 4 of chip IC 6, the pin 10 of chip IC 6 and chip IC 6.The utility model burglar alarm adopts microwave induced chip as security element, it utilizes microwave Doppler effect to form induction field within the scope of certain space, will trigger circuit once there be people to enter in monitored area, therefore alarm can be arranged on and hidden place, avoid being cracked by robber, simultaneously circuit also has that structure is simple, components and parts are few, the advantage that cost of manufacture is low.
Description
Technical field
The utility model relates to a kind of alarm, specifically a kind of microwave anti-theft alarm.
Background technology
Along with the raising of people's living standard, the valuables of family also get more and more, as mobile phone, notebook computer, jewellery etc., therefore also more and more security protection work is paid attention to, and alarm is as the achievement in research of Modern Electronic industry, be applied in widely in home security, but burglar alarm mostly in the market is infrared triggering, vibrations trigger and gate controlled switch, these alarm ubiquities are anti-cracks poor performance, be easy to find out for veteran robber and crack, and there is complex structure in some high-end burglar alarms, the problem that cost is high.
Utility model content
The purpose of this utility model is to provide a kind of good concealment, structure simple microwave anti-theft alarm, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme:
A kind of microwave anti-theft alarm, comprise triode V1, chip IC 1, resistance R1 and power supply E, the positive pole contact resistance R2 of described power supply E, resistance R7, resistance R13, the collector of triode V1, a stiff end of potentiometer RP1, the sliding end of potentiometer RP1, a stiff end of potentiometer RP3, the sliding end relay J of potentiometer RP3, the contact J-1 of relay J, the pin 4 of chip IC 6, the pin 10 of chip IC 6 and the pin 14 of chip IC 6, the emitter of triode V1 connects the pin 4 of electric capacity C2 and chip IC 1, the pin 3 of chip IC 1 connects electric capacity C1, the other end of electric capacity C1 connects the pin 5 of chip IC 1, the pin 7 of chip IC 1 connects electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, resistance R6, resistance R11, resistance R14, loudspeaker B, a stiff end of potentiometer RP2, the sliding end of potentiometer RP2, the negative pole of power supply E and the emitter of triode V2 ground connection, the pin 2 contact resistance R1 of chip IC 1, the other end of resistance R1 connects the pin 1 of chip IC 2, the pin 3 contact resistance R3 of chip IC 1, the other end contact resistance R4 of resistance R3 and the pin 4 of chip IC 1, the other end of resistance R4 connects the other end of electric capacity C3, the pin 1 of chip IC 3 and the pin 1 of chip IC 3, the other end of pin 3 contact resistance R7 of chip IC 3 and another stiff end of potentiometer RP2, the other end of pin 3 contact resistance R6 of chip IC 4 and another stiff end of potentiometer RP1, the pin 4 of chip IC 3 connects the anode of diode D1, the negative electrode contact resistance R9 of diode D1 and the negative electrode of diode D2, the pin 4 of chip IC 4 connects the anode of diode D2, the other end of resistance R9 connects the pin 1 of chip IC 5, the other end of pin 3 contact resistance R11 of chip IC 5 and another stiff end of potentiometer RP3, the pin 4 of chip IC 5 connects the pin 6 of chip IC 6, the other end of resistance R12 connects the other end of electric capacity C4, the pin 12 of chip IC 6 and the pin 13 of chip IC 6, the pin 3 of chip IC 6 connects the other end of electric capacity C5, the pin 11 of chip IC 6 connects the other end of electric capacity C6, the pin 7 of chip IC 6 connects the other end of electric capacity C7 and the other end of resistance R13, the pin 5 contact resistance R15 of chip IC 6, the pin 2 of chip IC 6 connects the pin 9 of chip IC 6 and the anode of diode D4, the other end of the negative electrode contact resistance R14 of diode D4, the base stage of the other end connecting triode V2 of resistance R15, the collector of triode V2 connects the anode of diode D3 and the other end of relay J, the other end of the contact J-1 of relay J connects the other end of loudspeaker B.
As preferred version of the present utility model: the model of described chip IC 1 is RD627.
As preferred version of the present utility model: the model of described chip IC 2, chip IC 3, chip IC 4 and chip IC 5 is LM321.
As preferred version of the present utility model: the model of described chip IC 6 is NE556.
Compared with prior art, the beneficial effects of the utility model are: the utility model burglar alarm adopts microwave induced chip as security element, it utilizes microwave Doppler effect to form induction field within the scope of certain space, will trigger circuit once there be people to enter in monitored area, therefore alarm can be arranged on and hidden place, avoid being cracked by robber, simultaneously circuit also has that structure is simple, components and parts are few, the advantage that cost of manufacture is low.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of microwave anti-theft alarm.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of microwave anti-theft alarm, comprise triode V1, chip IC 1, resistance R1 and power supply E, the positive pole contact resistance R2 of described power supply E, resistance R7, resistance R13, the collector of triode V1, a stiff end of potentiometer RP1, the sliding end of potentiometer RP1, a stiff end of potentiometer RP3, the sliding end relay J of potentiometer RP3, the contact J-1 of relay J, the pin 4 of chip IC 6, the pin 10 of chip IC 6 and the pin 14 of chip IC 6, the emitter of triode V1 connects the pin 4 of electric capacity C2 and chip IC 1, the pin 3 of chip IC 1 connects electric capacity C1, the other end of electric capacity C1 connects the pin 5 of chip IC 1, the pin 7 of chip IC 1 connects electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, resistance R6, resistance R11, resistance R14, loudspeaker B, a stiff end of potentiometer RP2, the sliding end of potentiometer RP2, the negative pole of power supply E and the emitter of triode V2 ground connection, the pin 2 contact resistance R1 of chip IC 1, the other end of resistance R1 connects the pin 1 of chip IC 2, the pin 3 contact resistance R3 of chip IC 1, the other end contact resistance R4 of resistance R3 and the pin 4 of chip IC 1, the other end of resistance R4 connects the other end of electric capacity C3, the pin 1 of chip IC 3 and the pin 1 of chip IC 3, the other end of pin 3 contact resistance R7 of chip IC 3 and another stiff end of potentiometer RP2, the other end of pin 3 contact resistance R6 of chip IC 4 and another stiff end of potentiometer RP1, the pin 4 of chip IC 3 connects the anode of diode D1, the negative electrode contact resistance R9 of diode D1 and the negative electrode of diode D2, the pin 4 of chip IC 4 connects the anode of diode D2, the other end of resistance R9 connects the pin 1 of chip IC 5, the other end of pin 3 contact resistance R11 of chip IC 5 and another stiff end of potentiometer RP3, the pin 4 of chip IC 5 connects the pin 6 of chip IC 6, the other end of resistance R12 connects the other end of electric capacity C4, the pin 12 of chip IC 6 and the pin 13 of chip IC 6, the pin 3 of chip IC 6 connects the other end of electric capacity C5, the pin 11 of chip IC 6 connects the other end of electric capacity C6, the pin 7 of chip IC 6 connects the other end of electric capacity C7 and the other end of resistance R13, the pin 5 contact resistance R15 of chip IC 6, the pin 2 of chip IC 6 connects the pin 9 of chip IC 6 and the anode of diode D4, the other end of the negative electrode contact resistance R14 of diode D4, the base stage of the other end connecting triode V2 of resistance R15, the collector of triode V2 connects the anode of diode D3 and the other end of relay J, the other end of the contact J-1 of relay J connects the other end of loudspeaker B.
The model of chip IC 1 is RD627.The model of chip IC 2, chip IC 3, chip IC 4 and chip IC 5 is LM321.The model of chip IC 6 is NE556.
Principle of work of the present utility model is: circuit by voltage comparator ic 2-IC5, Doppler effect sensing integrated circuit IC1, trigger monostable and delay circuit IC6 etc. and form.Chip IC 1 adopts special doppler effect sensors module RD627, containing oscillator, radio-frequency transmissions head, detection, limiter and Doppler's amplifier etc. in this module.When there being people to move, it utilizes the frequency displacement between echo and transmitted wave to carry out and amplifies, detects, the DC level that the Doppler frequency that corresponding output and human motion produce is directly proportional.In 100 square metres, effective launch site, dynamic output voltage change be not less than ± 50mV, direct current amplitude peak can reach 5V, and moving body from sensor more away from, the level magnitudes of output is less.Chip IC 6 adopts dual time base circuit NE556, half-sum element R13, C7 wherein forms monostable trigger, second half and R12, C4 form single stabilization delay circuit, delay time is T=1.1*R12*C4, chip IC 2-IC4 forms window comparator, for changing upper and lower limit reference voltage, then realize by regulator potentiometer RP1, RP2.IC5 is anti-phase comparer, its output low level flip chip IC6, chip IC 6 is triggered, its output terminal 2 pin, 5 pin and 9 pin all export high level, and light emitting diode D4 lights, and the output of 5 pin is simultaneously added in the base stage of triode V2 after resistance R15, triode V2 conducting, relay J is energized, and the J-1 adhesive of its contact, loudspeaker send chimes of doom.Alarm adopts microwave induced chip as security element, it utilizes microwave Doppler effect to form induction field within the scope of certain space, will trigger circuit once there be people to enter in monitored area, therefore alarm can be arranged on and hidden place, avoid being cracked by robber, simultaneously circuit also has that structure is simple, components and parts are few, the advantage that cost of manufacture is low.
Claims (4)
1. a microwave anti-theft alarm, comprise triode V1, chip IC 1, resistance R1 and power supply E, it is characterized in that, the positive pole contact resistance R2 of described power supply E, resistance R7, resistance R13, the collector of triode V1, a stiff end of potentiometer RP1, the sliding end of potentiometer RP1, a stiff end of potentiometer RP3, the sliding end relay J of potentiometer RP3, the contact J-1 of relay J, the pin 4 of chip IC 6, the pin 10 of chip IC 6 and the pin 14 of chip IC 6, the emitter of triode V1 connects the pin 4 of electric capacity C2 and chip IC 1, the pin 3 of chip IC 1 connects electric capacity C1, the other end of electric capacity C1 connects the pin 5 of chip IC 1, the pin 7 of chip IC 1 connects electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6, electric capacity C7, resistance R6, resistance R11, resistance R14, loudspeaker B, a stiff end of potentiometer RP2, the sliding end of potentiometer RP2, the negative pole of power supply E and the emitter of triode V2 ground connection, the pin 2 contact resistance R1 of chip IC 1, the other end of resistance R1 connects the pin 1 of chip IC 2, the pin 3 contact resistance R3 of chip IC 1, the other end contact resistance R4 of resistance R3 and the pin 4 of chip IC 1, the other end of resistance R4 connects the other end of electric capacity C3, the pin 1 of chip IC 3 and the pin 1 of chip IC 3, the other end of pin 3 contact resistance R7 of chip IC 3 and another stiff end of potentiometer RP2, the other end of pin 3 contact resistance R6 of chip IC 4 and another stiff end of potentiometer RP1, the pin 4 of chip IC 3 connects the anode of diode D1, the negative electrode contact resistance R9 of diode D1 and the negative electrode of diode D2, the pin 4 of chip IC 4 connects the anode of diode D2, the other end of resistance R9 connects the pin 1 of chip IC 5, the other end of pin 3 contact resistance R11 of chip IC 5 and another stiff end of potentiometer RP3, the pin 4 of chip IC 5 connects the pin 6 of chip IC 6, the other end of resistance R12 connects the other end of electric capacity C4, the pin 12 of chip IC 6 and the pin 13 of chip IC 6, the pin 3 of chip IC 6 connects the other end of electric capacity C5, the pin 11 of chip IC 6 connects the other end of electric capacity C6, the pin 7 of chip IC 6 connects the other end of electric capacity C7 and the other end of resistance R13, the pin 5 contact resistance R15 of chip IC 6, the pin 2 of chip IC 6 connects the pin 9 of chip IC 6 and the anode of diode D4, the other end of the negative electrode contact resistance R14 of diode D4, the base stage of the other end connecting triode V2 of resistance R15, the collector of triode V2 connects the anode of diode D3 and the other end of relay J, the other end of the contact J-1 of relay J connects the other end of loudspeaker B.
2. a kind of microwave anti-theft alarm according to claim 1, is characterized in that, the model of described chip IC 1 is RD627.
3. a kind of microwave anti-theft alarm according to claim 1, is characterized in that, the model of described chip IC 2, chip IC 3, chip IC 4 and chip IC 5 is LM321.
4. a kind of microwave anti-theft alarm according to claim 1, is characterized in that, the model of described chip IC 6 is NE556.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520438480.XU CN204695483U (en) | 2015-06-23 | 2015-06-23 | A kind of microwave anti-theft alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520438480.XU CN204695483U (en) | 2015-06-23 | 2015-06-23 | A kind of microwave anti-theft alarm |
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| Publication Number | Publication Date |
|---|---|
| CN204695483U true CN204695483U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520438480.XU Expired - Fee Related CN204695483U (en) | 2015-06-23 | 2015-06-23 | A kind of microwave anti-theft alarm |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106327772A (en) * | 2016-10-20 | 2017-01-11 | 广西大学 | Balcony anti-theft alarm apparatus having initiative warning function |
| CN107204090A (en) * | 2017-06-16 | 2017-09-26 | 合肥讯邦网络科技有限公司 | A kind of system for monitoring intrusion based on IMAQ and information extraction |
-
2015
- 2015-06-23 CN CN201520438480.XU patent/CN204695483U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106327772A (en) * | 2016-10-20 | 2017-01-11 | 广西大学 | Balcony anti-theft alarm apparatus having initiative warning function |
| CN107204090A (en) * | 2017-06-16 | 2017-09-26 | 合肥讯邦网络科技有限公司 | A kind of system for monitoring intrusion based on IMAQ and information extraction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20160623 |