CN202434005U - Vibration anti-theft alarm - Google Patents
Vibration anti-theft alarm Download PDFInfo
- Publication number
- CN202434005U CN202434005U CN2011204987917U CN201120498791U CN202434005U CN 202434005 U CN202434005 U CN 202434005U CN 2011204987917 U CN2011204987917 U CN 2011204987917U CN 201120498791 U CN201120498791 U CN 201120498791U CN 202434005 U CN202434005 U CN 202434005U
- Authority
- CN
- China
- Prior art keywords
- triode
- resistance
- direct supply
- vibration
- collector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Burglar Alarm Systems (AREA)
Abstract
The utility model relates to an anti-theft alarm, specifically relating to a vibration anti-theft alarm. A circuit comprises a vibration piezoelectric sensor, audions, a field-effect tube, a voltage-regulator diode, resistances, capacitances, voice alarm circuit and a loudspeaker and is characterized in that the vibration piezoelectric sensor is arranged between the base level of the first audion and the negative pole of a direct current power supply. By using the technical scheme, the vibration anti-theft alarm has the advantages that once the vibration anti-theft alarm vibrates, the vibration anti-theft alarm automatically alarms; and the vibration anti-theft alarm is economical and applicable.
Description
Technical field
The utility model relates to a kind of burglar alarm, particularly a kind of vibration burglar alarm.
Background technology
At present, the burglar often with the dwelling house that locks as the target of committing theft, when getting into,, all can cause vibration no matter be to push, knock at the door, pound the door when attempting to force open the door.
Summary of the invention
The utility model technical matters to be solved is: a kind of vibration burglar alarm is provided, when vibration, just can sends the warning language.
The utility model solves the technical scheme that its technical matters adopted: circuit is made up of vibration piezoelectric sensor, triode, FET, voltage stabilizing diode, resistance, electric capacity, language alarm circuit and loudspeaker; The emitter of first triode connects the negative pole of direct supply; The collector of first triode connects the positive pole of direct supply through first resistance and switch; Connect the base stage of second triode through second resistance; Second transistor emitter connects the positive pole of direct supply through switch, and second transistor collector connects the negative pole of direct supply, electric capacity and the parallel connection of the 4th resistance through the 3rd resistance, the 4th resistance; Second transistor collector links to each other through the grid of the 3rd resistance and FET; The drain electrode of FET connects the positive pole of direct supply through switch, and the source electrode of FET links to each other with the language alarm circuit input end through the 5th resistance, connects voltage stabilizing diode between the negative pole of language alarm circuit input end and direct supply; The language alarm circuit output end links to each other with the base stage of the 5th triode; The emitter of the 5th triode links to each other with the 6th transistor base, and the collector of the 5th triode links to each other with the 6th transistor collector, and the negative pole of the 6th transistor emitter and direct supply links to each other; The 6th transistor collector links to each other through the positive pole of loudspeaker, switch and direct supply, it is characterized in that: connect the vibration piezoelectric sensor between the ground level of first triode and the negative pole of direct supply.
Because adopt technique scheme, advantage and good effect that the utility model had are: in case vibration warning automatically is economic and practical.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the circuit theory diagrams of the utility model.
Fig. 2 is the structural representation of the utility model embodiment.
E. direct supply K. switch A. vibration piezoelectric sensor G among the figure
1The first triode G
2The second triode G
3FET G
4Voltage stabilizing diode G
5The 5th triode G
6The 6th triode R
1. first resistance R
2. second resistance R
3. the 3rd resistance R
4. the 4th resistance R
5. the 5th resistance C. capacitor I. language alarm circuit Y. loudspeaker 1. shells 2. sound transmission aperture
Embodiment
In Fig. 1, the first triode (G
1) emitter connect the negative pole of direct supply (E), the first triode (G
1) collector through the first resistance (R
1) and switch (K) connect the positive pole of direct supply (E), through the second resistance (R
2) meet the second triode (G
2) base stage, the second triode (G
2) emitter connects the positive pole of direct supply (E), the second triode (G through switch (K)
2) collector is through the 3rd resistance (R
3), the 4th resistance (R
4) connect the negative pole of direct supply (E), electric capacity (C) and the 4th resistance (R
4) parallel connection, the second triode (G
2) collector is through the 3rd resistance (R
3) and FET (G
3) grid link to each other FET (G
3) drain electrode connect the positive pole of direct supply (E), FET (G through switch (K)
3) source electrode through the 5th resistance (R
5) link to each other with language alarm circuit (I) input end, meet voltage stabilizing diode (G between the negative pole of language alarm circuit (I) input end and direct supply (E)
4), language alarm circuit (I) output terminal and the 5th triode (G
5) base stage link to each other the 5th triode (G
5) emitter and the 6th triode (G
6) base stage links to each other the 5th triode (G
5) collector and the 6th triode (G
6) collector links to each other the 6th triode (G
6) emitter links to each other the 6th triode (G with the negative pole of direct supply (E)
6) collector passes through loudspeaker (Y), switch (Y) links to each other the first triode (G with the positive pole of direct supply (E)
1) the negative pole of ground level and direct supply (E) between connect vibration piezoelectric sensor (A).
In Fig. 2, with the circuit original paper among Fig. 1 welding in the circuit board and place shell (1), there is sound transmission aperture (2) on shell (1) surface, and vibration piezoelectric sensor (A) extracts with lead.
Claims (1)
1. vibration burglar alarm, circuit is formed the first triode (G by vibration piezoelectric sensor, triode, FET, voltage stabilizing diode, resistance, electric capacity, language alarm circuit and loudspeaker
1) emitter connect the negative pole of direct supply (E), the first triode (G
1) collector through the first resistance (R
1) and switch (K) connect the positive pole of direct supply (E), through the second resistance (R
2) meet the second triode (G
2) base stage, the second triode (G
2) emitter connects the positive pole of direct supply (E), the second triode (G through switch (K)
2) collector is through the 3rd resistance (R
3), the 4th resistance (R
4) connect the negative pole of direct supply (E), electric capacity (C) and the 4th resistance (R
4) parallel connection, the second triode (G
2) collector is through the 3rd resistance (R
3) and FET (G
3) grid link to each other FET (G
3) drain electrode connect the positive pole of direct supply (E), FET (G through switch (K)
3) source electrode through the 5th resistance (R
5) link to each other with language alarm circuit (I) input end, meet voltage stabilizing diode (G between the negative pole of language alarm circuit (I) input end and direct supply (E)
4), language alarm circuit (I) output terminal and the 5th triode (G
5) base stage link to each other the 5th triode (G
5) emitter and the 6th triode (G
6) base stage links to each other the 5th triode (G
5) collector and the 6th triode (G
6) collector links to each other the 6th triode (G
6) emitter links to each other the 6th triode (G with the negative pole of direct supply (E)
6) collector passes through loudspeaker (Y), switch (Y) links to each other with the positive pole of direct supply (E), it is characterized in that: the first triode (G
1) the negative pole of ground level and direct supply (E) between connect vibration piezoelectric sensor (A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204987917U CN202434005U (en) | 2011-11-25 | 2011-11-25 | Vibration anti-theft alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204987917U CN202434005U (en) | 2011-11-25 | 2011-11-25 | Vibration anti-theft alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202434005U true CN202434005U (en) | 2012-09-12 |
Family
ID=46783433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204987917U Expired - Fee Related CN202434005U (en) | 2011-11-25 | 2011-11-25 | Vibration anti-theft alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202434005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680079A (en) * | 2013-12-25 | 2014-03-26 | 柳州市欧博科技有限公司 | Public security electronic monitoring device |
-
2011
- 2011-11-25 CN CN2011204987917U patent/CN202434005U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680079A (en) * | 2013-12-25 | 2014-03-26 | 柳州市欧博科技有限公司 | Public security electronic monitoring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202434005U (en) | Vibration anti-theft alarm | |
| CN207354224U (en) | Power amplification circuit for speaker of voice box | |
| CN201974894U (en) | Anti-theft alarm circuit | |
| CN201674624U (en) | Automatic matching device for microphone | |
| CN203689635U (en) | Novel computer burglar alarm circuit | |
| CN203562057U (en) | Antitheft vibration alarm device | |
| CN203503081U (en) | Vibration alarm-based burglar alarm device | |
| CN201048425Y (en) | Remote telephone anti-theft alarm device | |
| CN201251818Y (en) | Additional deaf person call circuit of doorbell | |
| CN201947821U (en) | Fishing alarm | |
| CN204998486U (en) | Alarm with vibration alarming function | |
| CN201072579Y (en) | Door bell capable of leaving message | |
| CN104660235A (en) | Receiving circuit of infrared remote control switch | |
| CN203562078U (en) | Multi-purpose overflow alarm | |
| CN101998217A (en) | Simple hearing-aid circuit | |
| CN203118144U (en) | Pyroelectric infrared anti-theft alarm device for ITO (international trade organization) workshop | |
| CN203300018U (en) | Electric bridge type voice alarm capable of realizing automatic circuit break after short circuit | |
| CN203984648U (en) | A kind of earphone protective circuit | |
| CN204117589U (en) | A kind of vibration phonation circuit | |
| CN202454017U (en) | Pressure-sensitive burglar alarm | |
| CN205230229U (en) | Alarm | |
| CN201654952U (en) | Energy-saving alarm device | |
| CN202256460U (en) | Robot close-range electrified routing inspection device | |
| CN202794309U (en) | Electric shock resisting warning device for excavator construction operation | |
| CN203562054U (en) | Anti-theft sound control alarm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120912 Termination date: 20121125 |