CN104700525A - Induction anti-theft alarm - Google Patents
Induction anti-theft alarm Download PDFInfo
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- CN104700525A CN104700525A CN201310645781.5A CN201310645781A CN104700525A CN 104700525 A CN104700525 A CN 104700525A CN 201310645781 A CN201310645781 A CN 201310645781A CN 104700525 A CN104700525 A CN 104700525A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
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- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses an induction anti-theft alarm comprising a power source I, an oscillation circuit, a transmitting coil, an induction receiving coil, a rectifier diode, a NAND gate, an audio frequency oscillation circuit, an amplifier, a loudspeaker, and a power source II. The power source I, the oscillation circuit and the transmitting coil are fixed to a door frame and beside a lock. The induction receiving coil, the rectifier diode, the NAND gate, the audio frequency oscillation circuit, the amplifier, the loudspeaker and the power source II are fixed to a door directly facing the transmitting coil to ensure that the transmitting coil and the induction receiving coil directly face each other and are nearest to each other. When a person breaks into the closed door, the loudspeaker produces sound to alarm.
Description
Technical field
The present invention relates to a kind of inductive theft-proof alarm.
Background technology
Existing alarm technology is when there being people to force open the door, and alarm can be reported to the police, and robber just makes alarm close after door is shut, and the video alarm high cost difficulty also had is promoted.
Summary of the invention
The object of this invention is to provide a kind of inductive theft-proof alarm, can solve the problem.
The object of the invention is to be achieved through the following technical solutions:
A kind of inductive theft-proof alarm, comprise: power supply one, oscillatory circuit, transmitting coil, induction receiving coil, commutation diode, Sheffer stroke gate, audio oscillator circuit, amplifier, loudspeaker, power supply two, above-mentioned power supply one, oscillatory circuit, transmitting coil are fixed on the side of doorframe near lock, above-mentioned induction receiving coil, commutation diode, Sheffer stroke gate, audio oscillator circuit, amplifier, loudspeaker, power supply two are fixed on the door just right with transmitting coil, ensure to close transmitting coil when visiting and induction receiving coil just to and from nearest.
Above-mentioned a kind of inductive theft-proof alarm designs further and is: oscillatory circuit comprises: triode one, resistance one, resistance two, electric capacity one, electric capacity two, electric capacity three, electric capacity four, electric capacity five, inductance, transmitting coil, the positive pole of described power supply one realizes electricity simultaneously and is connected with resistance one and one end of inductance, the other end of above-mentioned resistance one and the B of triode one extremely electricity are connected, the other end of above-mentioned inductance and one end of electric capacity two are connected with the C of triode one is extremely electric simultaneously, above-mentioned resistance two is connected with the E of triode one is extremely electric with one end of electric capacity one simultaneously, above-mentioned resistance two realizes being electrically connected with the negative pole of power supply one with the other end of electric capacity one simultaneously, the other end of above-mentioned electric capacity two is electrically connected with one end of electric capacity four and transmitting coil simultaneously, the other end of above-mentioned transmitting coil is electrically connected with one end of electric capacity three and electric capacity five simultaneously, the other end of above-mentioned electric capacity three and the B of triode one extremely electricity are connected, the other end of above-mentioned electric capacity five and electric capacity four realizes being electrically connected with the negative pole of power supply one.
Above-mentioned a kind of inductive theft-proof alarm designs further and is: above-mentioned audio oscillator circuit comprises: 555 integrated circuit, resistance three, resistance four, resistance five, resistance six, electric capacity six, electric capacity seven, power supply two, the positive pole of above-mentioned power supply two and resistance three and one end of resistance five and 8 pin of 555 integrated circuit realize electricity and are connected, the other end of above-mentioned resistance three is connected with one end electricity of resistance four, the other end of above-mentioned resistance four is connected with the negative electricity of power supply two, the other end of above-mentioned resistance five and one end of resistance six and 7 pin of 555 integrated circuit realize electricity and are connected, the other end of above-mentioned resistance six and 6 pin of 555 integrated circuit, 2 pin realize electricity and are connected, 6 pin of above-mentioned 555 integrated circuit, 2 pin are connected with one end electricity of electric capacity six, 5 pin of above-mentioned 555 integrated circuit are connected with one end electricity of electric capacity seven, the other end electricity of above-mentioned electric capacity six is connected and ground connection with the other end electricity of electric capacity seven, 1 pin ground connection of above-mentioned 555 integrated circuit.
Above-mentioned a kind of inductive theft-proof alarm designs further and is: one end of above-mentioned induction receiving coil is connected with one end electricity of commutation diode, the other end of upper induction receiving coil is connected with ground electricity, the other end of above-mentioned commutation diode is connected with input end 1 pin of Sheffer stroke gate, 2 pin electricity, and output terminal 3 pin and 4 pin of 555 integrated circuit of above-mentioned Sheffer stroke gate realize electricity and are connected.
Above-mentioned a kind of inductive theft-proof alarm designs further and is: above-mentioned amplifier comprises: electric capacity eight, triode two, resistance eight, resistance nine, resistance ten, electric capacity nine, 3 pin of above-mentioned 555 integrated circuit are connected with one end electricity of electric capacity eight, the E of the other end of above-mentioned electric capacity eight and one end of resistance eight and triode two extremely electricity is connected, the other end of above-mentioned resistance eight is connected with the positive pole electricity of power supply two, one end of above-mentioned resistance nine is connected with the positive pole electricity of power supply two, the other end of above-mentioned resistance nine and the C of triode two extremely electricity are connected, the C pole of above-mentioned triode two is connected with one end electricity of resistance ten and electric capacity nine, the other end ground connection of above-mentioned resistance ten and electric capacity nine, the C pole of above-mentioned triode two is connected with one end electricity of loudspeaker, the other end of above-mentioned loudspeaker electrical ground.
Usefulness cost of the present invention is low, practical.
Accompanying drawing explanation
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is that the transmitting coil of a kind of inductive theft-proof alarm described in the embodiment of the present invention and induction receiving coil place schematic diagram:
Fig. 2 is the electrical block diagram of a kind of inductive theft-proof alarm described in the embodiment of the present invention: accompanying drawing 1, Fig. 2 mark implication: 1, power supply one, 2, oscillatory circuit, 3, transmitting coil, 4, induction receiving coil, 5, commutation diode, 6, Sheffer stroke gate, 7, audio oscillator circuit, 8, amplifier, 9, loudspeaker, 10, power supply two, 11, door 12, lock, 13, doorframe
Fig. 3 is the circuit theory diagrams of a kind of inductive theft-proof alarm described in the embodiment of the present invention:
Accompanying drawing 3 marks implication: Q1 triode one, R1 resistance one, R2 resistance two, C1 electric capacity one, C2 electric capacity two, C3 electric capacity three, C4 electric capacity four, C5 electric capacity five, L1 inductance, T1 transmitting coil, D2 Sheffer stroke gate, D3,555 integrated circuit, R3 resistance three, R4 resistance four, R5 resistance five, R6 resistance six, C6 electric capacity six, C7 electric capacity seven, T2 induction receiving coil, D1 commutation diode, C8 electric capacity eight, Q2 triode two, R8 resistance eight, R9 resistance nine, R10 resistance ten, C9 electric capacity nine, loudspeaker Y, power supply one VCC1, power supply two VCC2.
Embodiment
The present invention is specifically introduced as follows below in conjunction with drawings and Examples:
As a kind of inductive theft-proof alarm of decision design, comprise: power supply 1, oscillatory circuit 2, transmitting coil 3, induction receiving coil 4, commutation diode 5, Sheffer stroke gate 6, audio oscillator circuit 7, amplifier 8, loudspeaker 9, power supply 2 10, above-mentioned power supply 1, oscillatory circuit 2, transmitting coil 3 is fixed on the side of doorframe 13 near lock 12, above-mentioned induction receiving coil 4, commutation diode 5, Sheffer stroke gate 6, audio oscillator circuit 7, amplifier 8, loudspeaker 9, power supply 2 10 is fixed on the door 11 just right with transmitting coil, ensure to close transmitting coil when visiting 3 and induction receiving coil 4 just to and from nearest.
Also as decision design, a kind of inductive theft-proof alarm: oscillatory circuit comprises: triode one Q1, resistance one R1, resistance two R2, electric capacity one C1, electric capacity two C2, electric capacity three C3, electric capacity four C4, electric capacity five C5, inductance L 1, transmitting coil T1, the positive pole of described power supply 1 realizes electricity with resistance one R1 with one end of inductance L 1 simultaneously and is connected, the other end of above-mentioned resistance one R1 and the B of triode one Q1 extremely electricity are connected, the other end of above-mentioned inductance L 1 and one end of electric capacity two C2 are connected with the C of triode one Q1 is extremely electric simultaneously, above-mentioned resistance two R2 is connected with the E of triode one Q1 is extremely electric with one end of electric capacity one C1 simultaneously, above-mentioned resistance two R2 realizes being electrically connected with the negative pole of power supply 1 with the other end of electric capacity one C1 simultaneously, the other end of above-mentioned electric capacity two C2 is electrically connected with one end of electric capacity four C4 and transmitting coil T1 simultaneously, the other end of above-mentioned transmitting coil T1 is electrically connected with one end of electric capacity three C3 and electric capacity five C5 simultaneously, the other end of above-mentioned electric capacity three C3 and the B of triode one Q1 extremely electricity are connected, the other end of above-mentioned electric capacity five C5 and electric capacity four C4 realizes being electrically connected with the negative pole of power supply 1.
Above-mentioned a kind of inductive theft-proof alarm designs further and is: above-mentioned audio oscillator circuit comprises: 555 integrated circuit D3, resistance three R3, resistance four R4, resistance five R5, resistance six R6, electric capacity six C6, electric capacity seven C7, power supply two VCC2, positive pole and one end of resistance three R3 and resistance five R5 and 8 pin of 555 integrated circuit D3 of above-mentioned power supply VCC2 bis-realize electricity and are connected, the other end of above-mentioned resistance three R3 is connected with one end electricity of resistance four R4, the other end of above-mentioned resistance four R4 is connected with the negative electricity of power supply two VCC2, the other end of above-mentioned resistance five R5 and one end of resistance six R6 and 7 pin of 555 integrated circuit D3 realize electricity and are connected, the other end of above-mentioned resistance six R6 and 6 pin of 555 integrated circuit D3, 2 pin realize electricity and are connected, 6 pin of above-mentioned 555 integrated circuit D3, 2 pin are connected with one end electricity of electric capacity six C6, 5 pin of above-mentioned 555 integrated circuit D3 are connected with one end electricity of electric capacity seven C7, the other end electricity of above-mentioned electric capacity six C6 is connected and ground connection with the other end electricity of electric capacity seven C7, the 1 pin ground connection of above-mentioned 555 integrated circuit D3.
Above-mentioned a kind of inductive theft-proof alarm designs further and is: one end of above-mentioned induction receiving coil T2 is connected with one end electricity of commutation diode D1, the other end of upper induction receiving coil L2 is connected with ground electricity, the other end of above-mentioned commutation diode D1 is connected with input end 1 pin of Sheffer stroke gate D2,2 pin electricity, and output terminal 3 pin and 4 pin of 555 integrated circuit D3 of above-mentioned Sheffer stroke gate D2 realize electricity and are connected.
Above-mentioned a kind of inductive theft-proof alarm designs further and is: above-mentioned amplifier comprises: electric capacity eight C8, triode two Q2, resistance eight R8, resistance nine R9, resistance ten R10, electric capacity nine C9, 3 pin of above-mentioned 555 integrated circuit D3 are connected with one end electricity of electric capacity eight, the E of the other end of above-mentioned electric capacity eight C8 and one end of resistance eight R8 and triode two Q2 extremely electricity is connected, the other end of above-mentioned resistance eight R8 is connected with the positive pole electricity of power supply two VCC2, one end of above-mentioned resistance nine R9 is connected with the positive pole electricity of power supply two VCC2, the other end of above-mentioned resistance nine R9 and the C of triode two Q2 extremely electricity are connected, the C pole of above-mentioned triode two Q2 is connected with one end electricity of resistance ten R10 and electric capacity nine C9, the other end ground connection of above-mentioned resistance ten R10 and electric capacity nine C9, the C pole of above-mentioned triode two Q2 is connected with one end electricity of loudspeaker Y, the other end of above-mentioned loudspeaker Y electrical ground.
It should be noted that when having people to make a forcible entry into open, induction receiving coil T2 loses induction electricity, and output terminal 3 pin of Sheffer stroke gate D2 exports high level, and audio oscillator circuit 7 works, loudspeaker Y sounding alarm.
Claims (5)
1. an inductive theft-proof alarm, it is characterized in that, comprise: power supply one, oscillatory circuit, transmitting coil, induction receiving coil, commutation diode, Sheffer stroke gate, audio oscillator circuit, amplifier, loudspeaker, power supply two, above-mentioned power supply one, oscillatory circuit, transmitting coil are fixed on the side of doorframe near lock, above-mentioned induction receiving coil, commutation diode, Sheffer stroke gate, audio oscillator circuit, amplifier, loudspeaker, power supply two are fixed on the door just right with transmitting coil, ensure to close transmitting coil when visiting and induction receiving coil just to and from nearest.
2. a kind of inductive theft-proof alarm as claimed in claim 1, it is characterized in that, above-mentioned oscillatory circuit comprises: triode one, resistance one, resistance two, electric capacity one, electric capacity two, electric capacity three, electric capacity four, electric capacity five, inductance, transmitting coil, the positive pole of described power supply one realizes electricity simultaneously and is connected with resistance one and one end of inductance, the other end of above-mentioned resistance one and the B of triode one extremely electricity are connected, the other end of above-mentioned inductance and one end of electric capacity two are connected with the C of triode one is extremely electric simultaneously, above-mentioned resistance two is connected with the E of triode one is extremely electric with one end of electric capacity one simultaneously, above-mentioned resistance two realizes being electrically connected with the negative pole of power supply one with the other end of electric capacity one simultaneously, the other end of above-mentioned electric capacity two is electrically connected with one end of electric capacity four and transmitting coil simultaneously, the other end of above-mentioned transmitting coil is electrically connected with one end of electric capacity three and electric capacity five simultaneously, the other end of above-mentioned electric capacity three and the B of triode one extremely electricity are connected, the other end of above-mentioned electric capacity five and electric capacity four realizes being electrically connected with the negative pole of power supply one.
3. a kind of inductive theft-proof alarm as claimed in claim 1, it is characterized in that, above-mentioned audio oscillator circuit comprises: 555 integrated circuit, resistance three, resistance four, resistance five, resistance six, electric capacity six, electric capacity seven, power supply two, the positive pole of above-mentioned power supply two and resistance three and one end of resistance five and 8 pin of 555 integrated circuit realize electricity and are connected, the other end of above-mentioned resistance three is connected with one end electricity of resistance four, the other end of above-mentioned resistance four is connected with the negative electricity of power supply two, the other end of above-mentioned resistance five and one end of resistance six and 7 pin of 555 integrated circuit realize electricity and are connected, the other end of above-mentioned resistance six and 6 pin of 555 integrated circuit, 2 pin realize electricity and are connected, 6 pin of above-mentioned 555 integrated circuit, 2 pin are connected with one end electricity of electric capacity six, 5 pin of above-mentioned 555 integrated circuit are connected with one end electricity of electric capacity seven, the other end electricity of above-mentioned electric capacity six is connected and ground connection with the other end electricity of electric capacity seven, 1 pin ground connection of above-mentioned 555 integrated circuit.
4. a kind of inductive theft-proof alarm as claimed in claim 1, it is characterized in that, one end of above-mentioned induction receiving coil is connected with one end electricity of commutation diode, the other end of upper induction receiving coil is connected with ground electricity, the other end of above-mentioned commutation diode is connected with input end 1 pin of Sheffer stroke gate, 2 pin electricity, and output terminal 3 pin and 4 pin of 555 integrated circuit of above-mentioned Sheffer stroke gate realize electricity and are connected.
5. a kind of inductive theft-proof alarm as claimed in claim 1, it is characterized in that, above-mentioned amplifier comprises: electric capacity eight, triode two, resistance eight, resistance nine, resistance ten, electric capacity nine, 3 pin of above-mentioned 555 integrated circuit are connected with one end electricity of electric capacity eight, the E of the other end of above-mentioned electric capacity eight and one end of resistance eight and triode two extremely electricity is connected, the other end of above-mentioned resistance eight is connected with the positive pole electricity of power supply two, one end of above-mentioned resistance nine is connected with the positive pole electricity of power supply two, the other end of above-mentioned resistance nine and the C of triode two extremely electricity are connected, the C pole of above-mentioned triode two is connected with one end electricity of resistance ten and electric capacity nine, the other end ground connection of above-mentioned resistance ten and electric capacity nine, the C pole of above-mentioned triode two is connected with one end electricity of loudspeaker, the other end of above-mentioned loudspeaker electrical ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310645781.5A CN104700525A (en) | 2013-12-04 | 2013-12-04 | Induction anti-theft alarm |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310645781.5A CN104700525A (en) | 2013-12-04 | 2013-12-04 | Induction anti-theft alarm |
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| Publication Number | Publication Date |
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| CN104700525A true CN104700525A (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310645781.5A Pending CN104700525A (en) | 2013-12-04 | 2013-12-04 | Induction anti-theft alarm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104978818A (en) * | 2014-04-04 | 2015-10-14 | 南京化工职业技术学院 | Burglar alarm |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2046248U (en) * | 1987-12-16 | 1989-10-18 | 孙洪昌 | Automobile multifunction alarm |
| CN2245240Y (en) * | 1995-06-05 | 1997-01-15 | 刘国华 | Wireless theft-proof alarm device |
| CN2249931Y (en) * | 1995-10-07 | 1997-03-19 | 颜振鲁 | Sensitive transmitting anti-stealing alarm |
| DE19702631A1 (en) * | 1997-01-25 | 1997-07-24 | Manfred Dipl Ing Glehr | Motor vehicle anti-theft system |
| CN103334388A (en) * | 2013-07-18 | 2013-10-02 | 浙江众合机电股份有限公司 | Safety intelligent ticket gate capable of preventing ticket gate evasion |
-
2013
- 2013-12-04 CN CN201310645781.5A patent/CN104700525A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2046248U (en) * | 1987-12-16 | 1989-10-18 | 孙洪昌 | Automobile multifunction alarm |
| CN2245240Y (en) * | 1995-06-05 | 1997-01-15 | 刘国华 | Wireless theft-proof alarm device |
| CN2249931Y (en) * | 1995-10-07 | 1997-03-19 | 颜振鲁 | Sensitive transmitting anti-stealing alarm |
| DE19702631A1 (en) * | 1997-01-25 | 1997-07-24 | Manfred Dipl Ing Glehr | Motor vehicle anti-theft system |
| CN103334388A (en) * | 2013-07-18 | 2013-10-02 | 浙江众合机电股份有限公司 | Safety intelligent ticket gate capable of preventing ticket gate evasion |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104978818A (en) * | 2014-04-04 | 2015-10-14 | 南京化工职业技术学院 | Burglar alarm |
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Application publication date: 20150610 |