CN2319866Y - Net-type high sensitive cut-off anti-theft alarming device - Google Patents
Net-type high sensitive cut-off anti-theft alarming device Download PDFInfo
- Publication number
- CN2319866Y CN2319866Y CN 97244702 CN97244702U CN2319866Y CN 2319866 Y CN2319866 Y CN 2319866Y CN 97244702 CN97244702 CN 97244702 CN 97244702 U CN97244702 U CN 97244702U CN 2319866 Y CN2319866 Y CN 2319866Y
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- CN
- China
- Prior art keywords
- circuit
- triode
- power supply
- alarm
- burglar alarm
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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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Abstract
The utility model provides a net type cut-off anti-theft alarming device with high sensitivity, which has the structure that the utility model is composed of an anti-theft alarming net and a cut-off anti-theft alarm with high sensitivity, wherein the cut-off anti-theft alarm with high sensitivity is composed of an induction signal amplifying circuit A, a cut-off signal amplifying circuit B and an acoustic-optic alarm circuit C; the anti-theft alarming net is connected with the signal input end of the cut-off anti-theft alarm with high sensitivity. The cut-off anti-theft alarm with high sensitivity is triggered and started to send out acoustic-optic alarm signals by circuit break or the induction of the human body. Compared with the prior art, the utility model has the advantages of reasonable design, high sensitivity, low rate of false alarm, small volume, low cost, easy processing, convenient use, etc.
Description
The utility model relates to the safety alarm device in a kind of house, courtyard or the security area, specifically a kind of network-type sensitive broken-circuit barglar alarm.
Burglar alarm is widely used in the fields such as warehouse, bank, office space, place of military importance and home dwelling.The kind of present known burglar alarm is mainly sound, light two big classes, for providing the sensing form of trigger pip, sound and light alarm is divided into contact, photo-electric and induction type again, photo-electric is mainly used the far infrared sensor, its advantage is highly sensitive, its deficiency be to use that cost height, rate of false alarm height, fence coverage are little, the far infrared sensor is difficult for hidden etc.The advantage of inductosyn is highly sensitive, but rate of false alarm is higher, and for example the induction type of installing on some motorcycle is put robber's alarm, reports to the police as long as there is the people to walk accessible triggering, has increased injurious noise to environment virtually.Contact is that deficiency that the closure by the contact provides alerting signal in use to exist for warning circuit provides alerting signal or circuit to be broken as warning circuit is that the thief can escape closing of contact sensor or will cut off with the lead that sensor joins and makes closing of contact faulty sensor, the deficiency that the line broken circuit sensor in use exists is that the thief can couple together with a section lead and makes its short circuit being located at alerting signal transducer wire in the security area, and then the warning transducer wire cut off, thereby make equally that alarm is malfunctioning to lose the warning effect of stealing of putting.
The purpose of this utility model provides a kind of line broken circuit signal and the compound network-type sensitive broken-circuit barglar alarm that alerting signal is provided for warning circuit of induced signal.
The purpose of this utility model realizes in the following manner, the two-wire cable that adopts band screen abutment line is as opening circuit, induction alarm sensing lead, this alerting signal transducer wire is woven into the burglar alarm net is arranged on door, window, the roof, in wall or the security area, or be made into the theftproof alarm glass of special-purpose anti-theft alarm lock of band alerting signal transducer wire or band alerting signal transducer wire, as long as the thief is when passing through the net formula security area that is provided with the alerting signal transducer wire, or destroy when being provided with alerting signal transducer wire anti-theft alarm lock, no matter which kind of mode of employing, as long as the alerting signal transducer wire is opened circuit, burglar alarm just can receive breaking alarming signal and induction alarm signal simultaneously, produces sound and light alarm.Till the Security Services turns off power supply.
Accompanying drawing is the electrical block diagram of network-type sensitive broken-circuit barglar alarm.
With reference to Figure of description network-type sensitive broken-circuit barglar alarm of the present utility model is done Below explain.
Network-type sensitive broken-circuit barglar alarm of the present utility model, its structure is by anti-theft journal Alert net and the high sensitivity burglar alarm that opens circuit consists of, and antitheft warning network and high sensitivity open circuit antitheft Alarm joins, by opening circuit or human body sensing makes the high sensitivity anti-theft warning circuit that opens circuit trigger and to lead The logical sound and light alarm signal that sends, antitheft warning network are with net with the lead of band screen abutment line or plain conductor The form of lattice is arranged on around the zone that needs burglar alarm.
The burglar alarm net is band to be shielded lead or the plain conductor horizontal stroke or the vertical setting of types row of abutment line or interweaves anyhow be arranged in door, window, roof, the body of wall, or with the compound composition fence of conventional entanglement, burglar alarm net and the high sensitivity antitheft newspaper that opens circuit is connected to form burglar alarm.
The burglar alarm net can conducting film form make lead attached to constituting the burglar alarm net on the door glass, this burglar alarm net and the high sensitivity antitheft newspaper that opens circuit is connected to form burglar alarm.
Network-type sensitive broken-circuit barglar alarm of the present utility model, its structure is to be made of burglar alarm net and the high sensitivity burglar alarm that opens circuit, the high sensitivity burglar alarm that opens circuit is to be made of induced signal amplifying circuit A, chopping signal amplifying circuit B and sound light alarming circuit C, the burglar alarm net is that the lead with band screen abutment line is woven into grid and is arranged on around the zone that needs burglar alarm, and the open circuit signal input part of burglar alarm of burglar alarm net and high sensitivity joins.
The induced signal amplifying circuit A that high sensitivity opens circuit in the burglar alarm is by triode T
1, resistance R
1And R
6Form R
1Be serially connected in the screen abutment line and the triode T of burglar alarm net
1Base stage between, R
6Be serially connected between the collector of the positive pole of power supply E and triode, the emitter of triode and sound light alarming circuit C join.
The chopping signal amplifying circuit B that high sensitivity opens circuit in the burglar alarm is by triode T
2, T
3, resistance R
2, R
3, R
4, capacitor C
1, C
2Form resistance R
2, R
3The positive pole of power supply E and triode T
2Base stage, T
1And T
3Emitter between, triode T
2The collector series connection resistance R
4Join capacitor C with the negative pole of power supply E
1Be serially connected in positive pole and the triode T of power supply E
2Emitter, T
3Base stage between, triode T
3Collector and the positive pole of power supply E join capacitor C
2Be serially connected in triode T
3Emitter and the negative pole of power supply E between, resistance R
2, R
3Between contact and an end of the double wired conductor 3 of burglar alarm guipure screen abutment line 1 join, an end of double wired conductor 2 and the negative pole of power supply E join, the other end of double wired conductor 2,3 connects together.
The sound light alarming circuit C that high sensitivity opens circuit in the burglar alarm is by light emitting diode D, resistance R
5, triode T
4, loudspeaker Y and warning integrated circuit (IC) form triode T
1, T
3Emitter and 1 pin of warning integrated circuit (IC) join light emitting diode D and resistance R
5Be serially connected in negative pole and the triode T of power supply E
1Emitter and 1 pin of warning integrated circuit (IC) between, 2 pin of warning integrated circuit (IC) and triode T
4Base stage join, 3 pin of warning integrated circuit (IC) connect the negative pole of power supply E, triode T
4Emitter serial connection loudspeaker Y after join triode T with the positive pole of power supply E
4Collector connect the negative pole of power supply E, K switch is serially connected on the negative pole of power supply E, the negative pole of power supply E is the ground wire of circuit.
Embodiment:
But processing and fabricating shown in the network-type sensitive broken-circuit barglar alarm by specification accompanying drawing of the present utility model.Employed each electronic devices and components are the commercially available prod in the circuit.The model that the warning integrated circuit (IC) adopts is the KD9561 integrated package.What the alerting signal transducer wire adopted is the twin-core microphone cord of band screen abutment line.
Network-type sensitive broken-circuit barglar alarm of the present utility model, it installs and uses also very simple and convenient, the lead of burglar alarm net can be arranged in the warning region in any form, can make gauze is located on the window, can be laid in the door of various materials, in the roof or in the wall, also can be made into motorcycle anti-theft warning cable-type padlock or the like.The energized warning circuit gets final product work during use, and what mode the thief no matter use, as long as cut off the burglar alarm lead, warning circuit sends chimes of doom immediately, i.e. reliable safety again.
Network-type sensitive broken-circuit barglar alarm of the present utility model is compared with existing technology, tool Have reasonable in design, highly sensitive, rate of false alarm is low, volume is little, cost is low, be easy to processing, use The characteristics such as convenience, thereby, have good value for applications.
Claims (4)
1. network-type sensitive broken-circuit barglar alarm, comprise burglar alarm net and the high sensitivity burglar alarm that opens circuit, it is characterized in that the high sensitivity burglar alarm that opens circuit is to be made of induced signal amplifying circuit A, chopping signal amplifying circuit B and sound light alarming circuit C, the burglar alarm net is that the lead with band screen abutment line is woven into grid and is arranged on around the zone that needs burglar alarm, and the open circuit signal input part of burglar alarm of burglar alarm net and high sensitivity joins.
2. network-type sensitive broken-circuit barglar alarm according to claim 4, its spy levies and is that induced signal amplifying circuit A is by triode T
1, resistance R
1And R
5Form R
1Be serially connected in the screen abutment line and the triode T of burglar alarm net
1Base stage between, R
6Be serially connected in positive pole and the triode T of power supply E
1Collector between, triode T
1Emitter and sound light alarming circuit C join.
3. network-type sensitive broken-circuit barglar alarm according to claim 4 is characterized in that chopping signal amplifying circuit B is by triode T
2, T
3, resistance R
2, R
3, R
4, capacitor C
1, C
2Form resistance R
2, R
3The positive pole of power supply E and triode T
2Base stage, T
1And T
3Emitter between, triode T
2The collector series connection resistance R
4Join capacitor C with the negative pole of power supply E
1Be serially connected in positive pole and the triode T of power supply E
2Emitter, T
3Base stage between, triode T
3Collector and the positive pole of power supply E join capacitor C
2Be serially connected in triode T
3Emitter and the negative pole of power supply E between, resistance R
2, R
3Between contact and an end of the double wired conductor 3 of burglar alarm guipure screen abutment line 1 join, an end of double wired conductor 2 and the negative pole of power supply E join, the other end of double wired conductor 2,3 connects together.
4. network-type sensitive broken-circuit barglar alarm according to claim 1 is characterized in that sound light alarming circuit C is by light emitting diode D, resistance R
5, triode T
4, loudspeaker Y and warning integrated circuit (IC) form triode T
1, T
3Emitter and 1 pin of warning integrated circuit (IC) join light emitting diode D and resistance R
5Be serially connected in negative pole and the triode T of power supply E
1Emitter and 1 pin of warning integrated circuit (IC) between, 2 pin of warning integrated circuit (IC) and triode T
4Base stage join, 3 pin of warning integrated circuit (IC) connect the negative pole of power supply E, triode T
4Emitter serial connection loudspeaker Y after join triode T with the positive pole of power supply E
4Collector connect the negative pole of power supply E, K switch is serially connected on the negative pole of power supply E, the negative pole of power supply E is the ground wire of circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97244702 CN2319866Y (en) | 1997-11-04 | 1997-11-04 | Net-type high sensitive cut-off anti-theft alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97244702 CN2319866Y (en) | 1997-11-04 | 1997-11-04 | Net-type high sensitive cut-off anti-theft alarming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2319866Y true CN2319866Y (en) | 1999-05-19 |
Family
ID=33953342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97244702 Expired - Fee Related CN2319866Y (en) | 1997-11-04 | 1997-11-04 | Net-type high sensitive cut-off anti-theft alarming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2319866Y (en) |
-
1997
- 1997-11-04 CN CN 97244702 patent/CN2319866Y/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 | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |