CN104637223A - Noncontact-type antitheft alarming device - Google Patents
Noncontact-type antitheft alarming device Download PDFInfo
- Publication number
- CN104637223A CN104637223A CN201310559566.3A CN201310559566A CN104637223A CN 104637223 A CN104637223 A CN 104637223A CN 201310559566 A CN201310559566 A CN 201310559566A CN 104637223 A CN104637223 A CN 104637223A
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- Prior art keywords
- triode
- resistance
- electric capacity
- stabilizing diode
- capacitor
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses a noncontact-type antitheft alarming device which comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first triode, a second triode, a third triode, a fourth triode, a fifth triode, a first voltage-stabilizing diode, a second voltage-stabilizing diode, a potentiometer, an inductor, a sensor, a buzzer, a power source and a switch, and a first end of the first capacitor is connected with a first end of the second capacitor and a first end of the inductor. The inductor, the fifth capacitor, the first capacitor and the first triode form a three-point-type oscillator; when someone is close to the sensor, the three-point-type oscillator does not oscillate, the fifth triode is on, and the buzzer is electrified to give an alarm, so that the alarm can be given when illegal intruding personnel is close to the alarming device by a certain distance.
Description
Technical field
The present invention relates to a kind of burglar alarm, particularly relate to a kind of non-touch burglar alarm.
Background technology
Present family, and often there is unserviced situation in the place such as many dining rooms and market, this just makes the security presence in these places huge hidden danger, installing burglar alarm becomes inevitable, but current most of burglar alarms adopt and touch or vibration alarming, when taking shock attenuation device or with protection tools such as gloves, traditional burglar alarm can not be reported to the police normally, the message notice victim that invasion is on-the-spot that cannot be real-time, and equipment is various, complicated operation, and need cable wiring manufacture, Installation and Debugging, waste a large amount of manpower and materials.
Summary of the invention
Object of the present invention is just to provide a kind of non-touch burglar alarm to solve the problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of non-touch burglar alarm, comprise the first resistance to the 5th resistance, first electric capacity is to the 5th electric capacity, first triode is to the 5th triode, first voltage stabilizing diode, second voltage stabilizing diode, potentiometer, inductance, sensor, hummer, power supply and switch, the first end of described first electric capacity is connected with the first end of described second electric capacity and the first end of described inductance respectively, second end of described inductance is connected with the described first end of the 3rd electric capacity and the first end of described sensor respectively, second end of described second electric capacity is connected with the first end of described second resistance and the collector of described first triode respectively, second end of described 3rd electric capacity is connected with the base stage of described first triode, second end of described second resistance respectively with the first end of described first resistance, the first end of described 4th resistance, the collector of described 3rd triode, the negative pole of described second voltage stabilizing diode, the first end of described hummer is connected with the first end of described switch, the plus earth of described second voltage stabilizing diode, second end of described first resistance is connected with the positive pole of described first voltage stabilizing diode, the negative pole of described first voltage stabilizing diode is connected with the first end of described potentiometer, second end of described sensor is connected with the first end of described 5th electric capacity, the emitter of described first triode respectively with the first end of described 3rd resistance, the first end of described 4th electric capacity is connected with the base stage of described second triode, second end of described 4th resistance is connected with the first end of described 5th resistance and the collector of described second triode respectively, second end of described 5th resistance is connected with the base stage of described 3rd triode, the emitter of described 3rd triode is connected with the base stage of described 4th triode, the collector of described 4th triode is connected with the base stage of described 5th triode, the described collector of the 5th triode is connected with the second end of described hummer, second end of described switch is connected with the positive pole of described power supply, the negative pole of described power supply respectively with the emitter of described 5th triode, the emitter of described 4th triode, the emitter of described second triode, second end of described 4th electric capacity, second end of described 3rd resistance, second end of described potentiometer, the sliding end of described potentiometer, second end of described 5th electric capacity is connected with the second end of described first resistance and ground connection.
Beneficial effect of the present invention is:
Inductance in non-touch burglar alarm of the present invention, the 5th electric capacity, the first electric capacity and the first triode composition bikini oscillator, when there being people near sensor, bikini oscillator does not produce vibration, 5th triode ON, hummer obtains electric giving the alarm, and uses this alarm can give the alarm when illegal invasion personnel proximity sensing device certain distance.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of non-touch burglar alarm of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, non-touch burglar alarm of the present invention, comprise the first resistance R1 to the 5th resistance R5, first electric capacity C1 is to the 5th electric capacity C5, first triode T1 is to the 5th triode T5, first voltage stabilizing diode D1, second voltage stabilizing diode D2, potentiometer RP, inductance L, sensor G, hummer H, power supply E and switch S, the first end of the first electric capacity C1 is connected with the first end of the second electric capacity C2 and the first end of inductance L respectively, second end of inductance L is connected with the first end of the 3rd electric capacity C3 and the first end of sensor G respectively, second end of the second electric capacity C2 is connected with the first end of the second resistance R2 and the collector of the first triode T1 respectively, second end of the 3rd electric capacity C3 is connected with the base stage of the first triode T1, second end of the second resistance R2 respectively with the first end of the first resistance R1, the first end of the 4th resistance R4, the collector of the 3rd triode T3, the negative pole of the second voltage stabilizing diode D2, the first end of hummer H is connected with the first end of switch S, the plus earth of the second voltage stabilizing diode D2, second end of the first resistance R1 is connected with the positive pole of the first voltage stabilizing diode D1, the negative pole of the first voltage stabilizing diode D1 is connected with the first end of potentiometer RP, second end of sensor G is connected with the first end of the 5th electric capacity C5, the emitter of the first triode T1 respectively with the first end of the 3rd resistance R3, the first end of the 4th electric capacity C4 is connected with the base stage of the second triode T2, second end of the 4th resistance R4 is connected with the first end of the 5th resistance R5 and the collector of the second triode T2 respectively, second end of the 5th resistance R5 is connected with the base stage of the 3rd triode T3, the emitter of the 3rd triode T3 is connected with the base stage of the 4th triode T4, the collector of the 4th triode T4 is connected with the base stage of the 5th triode T5, the collector of the 5th triode T5 is connected with second end of hummer H, second end of switch S is connected with the positive pole of power supply E, the negative pole of power supply E respectively with the emitter of the 5th triode T5, the emitter of the 4th triode T4, the emitter of the second triode T2, second end of the 4th electric capacity C4, second end of the 3rd resistance R3, second end of potentiometer RP, the sliding end of potentiometer RP, second end of the 5th electric capacity C5 is connected with second end of the first resistance R1 and ground connection.
The principle of work of non-touch burglar alarm of the present invention is as follows:
5th electric capacity C5, inductance L, first electric capacity C1 and the first triode T1 forms bikini oscillator, when nobody is near sensor G, 5th electric capacity C5 is less, after it is connected with the first electric capacity C1, larger in the dividing potential drop at the 5th electric capacity C5 two ends, and it is less in the dividing potential drop at the first electric capacity C1 two ends, the higher HF voltage in 5th electric capacity C5 two ends is fed to the first triode T1 base stage by the 3rd electric capacity C3, maintain bikini oscillator and produce vibration, step-down now on the 3rd resistance R3 is higher, make the second triode T2 conducting, the complex pipe cut-off that 3rd triode T3 and the 4th triode T4 forms, hummer H does not work, when there being people near sensor G, 5th electric capacity C5 value increases, the high frequency dividing potential drop at the 5th electric capacity C5 two ends diminishes, the undertension being fed to the first triode T1 base stage by the 3rd electric capacity C3 produces vibration to maintain the first triode T1, pressure drop on 3rd resistance R3 is less, second triode T2 ends, complex pipe conducting, and after the 5th triode T5, hummer H gives the alarm, potentiometer RP is for regulating induction sensitivity.
Claims (1)
1. a non-touch burglar alarm, it is characterized in that: comprise the first resistance to the 5th resistance, first electric capacity is to the 5th electric capacity, first triode is to the 5th triode, first voltage stabilizing diode, second voltage stabilizing diode, potentiometer, inductance, sensor, hummer, power supply and switch, the first end of described first electric capacity is connected with the first end of described second electric capacity and the first end of described inductance respectively, second end of described inductance is connected with the described first end of the 3rd electric capacity and the first end of described sensor respectively, second end of described second electric capacity is connected with the first end of described second resistance and the collector of described first triode respectively, second end of described 3rd electric capacity is connected with the base stage of described first triode, second end of described second resistance respectively with the first end of described first resistance, the first end of described 4th resistance, the collector of described 3rd triode, the negative pole of described second voltage stabilizing diode, the first end of described hummer is connected with the first end of described switch, the plus earth of described second voltage stabilizing diode, second end of described first resistance is connected with the positive pole of described first voltage stabilizing diode, the negative pole of described first voltage stabilizing diode is connected with the first end of described potentiometer, second end of described sensor is connected with the first end of described 5th electric capacity, the emitter of described first triode respectively with the first end of described 3rd resistance, the first end of described 4th electric capacity is connected with the base stage of described second triode, second end of described 4th resistance is connected with the first end of described 5th resistance and the collector of described second triode respectively, second end of described 5th resistance is connected with the base stage of described 3rd triode, the emitter of described 3rd triode is connected with the base stage of described 4th triode, the collector of described 4th triode is connected with the base stage of described 5th triode, the described collector of the 5th triode is connected with the second end of described hummer, second end of described switch is connected with the positive pole of described power supply, the negative pole of described power supply respectively with the emitter of described 5th triode, the emitter of described 4th triode, the emitter of described second triode, second end of described 4th electric capacity, second end of described 3rd resistance, second end of described potentiometer, the sliding end of described potentiometer, second end of described 5th electric capacity is connected with the second end of described first resistance and ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310559566.3A CN104637223A (en) | 2013-11-11 | 2013-11-11 | Noncontact-type antitheft alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310559566.3A CN104637223A (en) | 2013-11-11 | 2013-11-11 | Noncontact-type antitheft alarming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104637223A true CN104637223A (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310559566.3A Pending CN104637223A (en) | 2013-11-11 | 2013-11-11 | Noncontact-type antitheft alarming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104637223A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106600866A (en) * | 2017-01-19 | 2017-04-26 | 吉安市井开区吉军科技有限公司 | Warehouse antitheft alarm circuit |
| CN110011277A (en) * | 2019-03-10 | 2019-07-12 | 兰州理工大学技术工程学院 | A kind of electricity consumption load rated safety automatic controller |
| CN112277001A (en) * | 2020-09-30 | 2021-01-29 | 江苏集萃智能制造技术研究所有限公司 | Non-contact human body collision detection device and method applied to robot |
-
2013
- 2013-11-11 CN CN201310559566.3A patent/CN104637223A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106600866A (en) * | 2017-01-19 | 2017-04-26 | 吉安市井开区吉军科技有限公司 | Warehouse antitheft alarm circuit |
| CN110011277A (en) * | 2019-03-10 | 2019-07-12 | 兰州理工大学技术工程学院 | A kind of electricity consumption load rated safety automatic controller |
| CN112277001A (en) * | 2020-09-30 | 2021-01-29 | 江苏集萃智能制造技术研究所有限公司 | Non-contact human body collision detection device and method applied to robot |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150520 |