CN204791376U - Family's theftproof circuit - Google Patents
Family's theftproof circuit Download PDFInfo
- Publication number
- CN204791376U CN204791376U CN201520273045.6U CN201520273045U CN204791376U CN 204791376 U CN204791376 U CN 204791376U CN 201520273045 U CN201520273045 U CN 201520273045U CN 204791376 U CN204791376 U CN 204791376U
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- China
- Prior art keywords
- diode
- pin
- electric capacity
- relay
- connects
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- 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
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- Burglar Alarm Systems (AREA)
Abstract
The utility model discloses a family's theftproof circuit, including vibration sensor P, diode D1, triode V1 and relay J1, diode D1's negative pole and diode D2's positive pole are connected to vibration sensor P's one end, electric capacity C1 is connected to diode D1's positive pole, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, diode D3's positive pole, diode D4's positive pole, triode V1's projecting pole, phototriode V2's projecting pole, TV set C, electric light L, chip IC1's pin 1, relay J1, relay J2, vibration sensor P's the other end and electronic switch K's pin 4. The utility model discloses family's theftproof circuit utilizes the vibration sensor that installs on the lock as the source of triggering, and someone rotates the lock and will open indoor lamp and TV in case the back is opened to the circuit, plays fright and warning burglar's effect, so the circuit has and triggers accurate, simple structure, the effectual advantage of theftproof.
Description
Technical field
The utility model relates to a kind of anti-theft circuit, specifically a kind of home security circuit.
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 pay attention to security protection work, and alarm is as the achievement in research of Modern Electronic industry, has been applied in home security widely, but traditional alarm only has sound and light of alarm, if unmanned in family, for being easy to penetrate veteran burglar and continuing to commit theft, therefore theftproof performance is still weak.
Summary of the invention
The purpose of this utility model is to provide that a kind of structure is simple, the home security circuit of good anti-theft effect, 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 home security circuit, involving vibrations sensor P, diode D1, triode V1 and relay J 1, one end of described vibration transducer P connects the negative electrode of diode D1 and the anode of diode D2, and the anode of diode D1 connects electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, the anode of diode D3, the anode of diode D4, the emitter of triode V1, the emitter of phototriode V2, televisor C, electric light L, the pin 1 of chip IC 1, relay J 1, relay J 2, the other end of vibration transducer P and the pin 4 of electronic switch K, the negative electrode of diode D2 connects the other end of electric capacity C1 and the base stage of triode V1, the collector contact resistance R1 of triode V1, the pin 2 of electric capacity C2 and chip IC 1, the other end contact resistance R2 of resistance R1, power supply VCC, the other end of electric capacity C5, the stiff end of potentiometer RP1, the pin 1 of electronic switch K, the contact J1-1 of relay J 1, the pin 4 of chip IC 1 and the pin 8 of chip IC 1, the other end of resistance R2 connects the other end of electric capacity C3, the pin 6 of chip IC 1 and the pin 7 of chip IC 1, the pin 5 of chip IC 1 connects the other end of electric capacity C4, the pin 3 of chip IC 1 connects the negative electrode of diode D3 and the other end of relay J 1, the sliding end of potentiometer RP1 connects the pin 5 of electronic switch K, another stiff end of potentiometer RP1 connects the collector of phototriode V2, the pin 2 of electronic switch K connects the negative electrode of diode D4 and the other end of relay J 2, the other end of the contact J1-1 of relay J 1 connects the contact J2-1 of relay J 2 and the other end of televisor C, and the other end of the contact J2-1 of relay J 2 connects the other end of electric light L.
As preferred version of the present utility model: the model of described electronic switch is TWH8778 type electronic switch.
As preferred version of the present utility model: the model of described chip IC 1 is NE555.
Compared with prior art, the beneficial effects of the utility model are: the utility model home security circuit utilizes the vibration transducer be arranged on door lock as trigger source, after circuit is opened once have people to rotate door lock will lamp in opening chamber and TV, play the effect of fright and warning burglar, therefore circuit have trigger precisely, structure is simple, the advantage of good anti-theft effect.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of home security circuit.
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 home security circuit, involving vibrations sensor P, diode D1, triode V1 and relay J 1, one end of described vibration transducer P connects the negative electrode of diode D1 and the anode of diode D2, and the anode of diode D1 connects electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, the anode of diode D3, the anode of diode D4, the emitter of triode V1, the emitter of phototriode V2, televisor C, electric light L, the pin 1 of chip IC 1, relay J 1, relay J 2, the other end of vibration transducer P and the pin 4 of electronic switch K, the negative electrode of diode D2 connects the other end of electric capacity C1 and the base stage of triode V1, the collector contact resistance R1 of triode V1, the pin 2 of electric capacity C2 and chip IC 1, the other end contact resistance R2 of resistance R1, power supply VCC, the other end of electric capacity C5, the stiff end of potentiometer RP1, the pin 1 of electronic switch K, the contact J1-1 of relay J 1, the pin 4 of chip IC 1 and the pin 8 of chip IC 1, the other end of resistance R2 connects the other end of electric capacity C3, the pin 6 of chip IC 1 and the pin 7 of chip IC 1, the pin 5 of chip IC 1 connects the other end of electric capacity C4, the pin 3 of chip IC 1 connects the negative electrode of diode D3 and the other end of relay J 1, the sliding end of potentiometer RP1 connects the pin 5 of electronic switch K, another stiff end of potentiometer RP1 connects the collector of phototriode V2, the pin 2 of electronic switch K connects the negative electrode of diode D4 and the other end of relay J 2, the other end of the contact J1-1 of relay J 1 connects the contact J2-1 of relay J 2 and the other end of televisor C, and the other end of the contact J2-1 of relay J 2 connects the other end of electric light L.
The model of electronic switch is TWH8778 type electronic switch.
The model of chip IC 1 is NE555.
Principle of work of the present utility model is: the vibration transducer P in circuit is arranged on door lock, when there being uninvited guest to twist door lock, warp, a forward dc voltage is become to add to the base stage of triode V1 after diode D1, D2 voltage multiplying rectifier, electric capacity C1 filtering, cause V1 saturation conduction, now 2 pin of IC1 become low level from high level, the 3 pin output terminals of its IC1 become high level from low level, make relay J 1 adhesive, its normally opened contact J1-1 connects, make televisor C obtain electric-opening, just can play TV programme.If at dark, phototriode V2 is high resistant, by the effect of electronic switch K, relay J 2 adhesive, its normally opened contact J2-1 also connects, and electric light L is shinny, circuit utilizes the vibration transducer be arranged on door lock as trigger source, after circuit is opened once have people to rotate door lock will lamp in opening chamber and TV, play the effect of fright and warning burglar, therefore circuit have trigger precisely, structure is simple, the advantage of good anti-theft effect.
Claims (2)
1. a home security circuit, involving vibrations sensor P, diode D1, triode V1 and relay J 1, is characterized in that, one end of described vibration transducer P connects the negative electrode of diode D1 and the anode of diode D2, and the anode of diode D1 connects electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, the anode of diode D3, the anode of diode D4, the emitter of triode V1, the emitter of phototriode V2, televisor C, electric light L, the pin 1 of chip IC 1, relay J 1, relay J 2, the other end of vibration transducer P and the pin 4 of electronic switch K, the negative electrode of diode D2 connects the other end of electric capacity C1 and the base stage of triode V1, the collector contact resistance R1 of triode V1, the pin 2 of electric capacity C2 and chip IC 1, the other end contact resistance R2 of resistance R1, power supply VCC, the other end of electric capacity C5, the stiff end of potentiometer RP1, the pin 1 of electronic switch K, the contact J1-1 of relay J 1, the pin 4 of chip IC 1 and the pin 8 of chip IC 1, the other end of resistance R2 connects the other end of electric capacity C3, the pin 6 of chip IC 1 and the pin 7 of chip IC 1, the pin 5 of chip IC 1 connects the other end of electric capacity C4, the pin 3 of chip IC 1 connects the negative electrode of diode D3 and the other end of relay J 1, the sliding end of potentiometer RP1 connects the pin 5 of electronic switch K, another stiff end of potentiometer RP1 connects the collector of phototriode V2, the pin 2 of electronic switch K connects the negative electrode of diode D4 and the other end of relay J 2, the other end of the contact J1-1 of relay J 1 connects the contact J2-1 of relay J 2 and the other end of televisor C, the other end of the contact J2-1 of relay J 2 connects the other end of electric light L, and the model of described chip IC 1 is NE555.
2. a kind of home security circuit according to claim 1, is characterized in that, the model of described electronic switch is TWH8778 type electronic switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520273045.6U CN204791376U (en) | 2015-04-30 | 2015-04-30 | Family's theftproof circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520273045.6U CN204791376U (en) | 2015-04-30 | 2015-04-30 | Family's theftproof circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204791376U true CN204791376U (en) | 2015-11-18 |
Family
ID=54531379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520273045.6U Expired - Fee Related CN204791376U (en) | 2015-04-30 | 2015-04-30 | Family's theftproof circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204791376U (en) |
-
2015
- 2015-04-30 CN CN201520273045.6U patent/CN204791376U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20151118 Termination date: 20160430 |