CN201417487Y - Optical cable vibration detection alarm device - Google Patents
Optical cable vibration detection alarm device Download PDFInfo
- Publication number
- CN201417487Y CN201417487Y CN2009200433356U CN200920043335U CN201417487Y CN 201417487 Y CN201417487 Y CN 201417487Y CN 2009200433356 U CN2009200433356 U CN 2009200433356U CN 200920043335 U CN200920043335 U CN 200920043335U CN 201417487 Y CN201417487 Y CN 201417487Y
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- electric wave
- optical cable
- coupling mechanism
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- alarm device
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Abstract
The utility model relates to an alarm device, in particular to an optical cable vibration detection alarm device, which comprises a defense area detector, an electric wave comparison circuit, an electric wave processor and an alarm, wherein the output of the defense area detector is connected with the input of the electric wave comparison circuit, the output of the electric wave comparison circuitis connected with the input of the electric wave processor, and the output of the electric wave processor is connected with the alarm. The optical cable vibration detection alarm device further comprises a wind and rain detector whose output and the output of the defense area detector are commonly used as the input of the electric wave comparison circuit. The optical cable vibration detection alarm device can accurately judge whether vibrated electric wave signals of the defense area are invaders or wind and rain disturbance through adding the wind and rain detector, false alarm can not be generated under the condition of wind and rain disturbance, thereby avoiding false alarm, and improving the accuracy of alarm.
Description
Technical field
The utility model relates to a kind of warning device, a kind of specifically optical cable vibrations detection alarm device.
Background technology
Optical cable vibrations detection alarm device generally uses on the enclosure wall of buildings, and as iron artistic fence, enclosure of concrete etc., this warning device when crossing if any the people, will produce warning when running into vibrations.Existing this optical cable vibrations detection alarm device generally comprises defence area detector, electric wave processor and alarm, the defence area detector is made up of optical transmitting set, light emission coupling mechanism, optical cable, light-receiving coupling mechanism, optical receiver and electric wave processor, when the optical cable between light emission coupling mechanism and the light-receiving coupling mechanism is subjected to the external force vibrations, the light characteristic that optical receiver receives changes, and be converted to the electric wave of variation, electric wave signal is compared with the defence area signal, produce and report to the police.It is invador or wind and rain disturbance that but existing this optical cable vibrations detection alarm device can not be distinguished the vibrations electric wave signal, often also can produce warning when the wind and rain disturbance, and this has just produced the false alarm phenomenon, and influence is normally used.
Summary of the invention
Technical problem to be solved in the utility model is: at the shortcoming that above prior art exists, proposes a kind ofly can judge accurately that the vibrations electric wave signal in defence area is that the invador or the optical cable of wind and rain disturbance shake detection alarm device.
The technical scheme that the utility model solves above technical matters is:
Optical cable vibrations detection alarm device, comprise defence area detector, electric wave contrast circuit, electric wave processor and alarm, the output of defence area detector connects the input of electric wave contrast circuit, the output of electric wave contrast circuit connects the input of electric wave processor, by the output of electric wave processor device taking alarm, also comprise the wind and rain detector, the output of the output of wind and rain detector and defence area detector is jointly as the input of electric wave contrast circuit.
Also be provided with the adjustment circuit, adjust circuit and link to each other with the electric wave contrast circuit with the electric wave processor.
Wind and rain detector and defence area detector all are made up of optical transmitting set, light emission coupling mechanism, optical cable, light-receiving coupling mechanism, optical receiver and electric wave processor, optical transmitting set links to each other with the electric wave processor, light emission coupling mechanism links to each other with optical transmitting set, the light-receiving coupling mechanism links to each other with light emission coupling mechanism by optical cable, optical receiver links to each other with the light-receiving coupling mechanism, and the electric wave processor links to each other with optical receiver.Optical transmitting set and optical receiver all are photoelectric tubes.
Electric wave contrast circuit of the present utility model, adjustment circuit and electric wave processor all are common circuit of the prior art and processor, so the utility model gears to actual circumstances.
The utility model advantage is: by adding the wind and rain detector, the utility model can judge accurately that the vibrations electric wave signal in defence area is invador or wind and rain disturbance, under the situation of wind and rain disturbance, can not produce warning, avoided the false alarm phenomenon, improved the accuracy of reporting to the police, made optical cable vibrations detection alarm device of the present utility model obtain better application.
Description of drawings
Fig. 1 is a connection diagram of the present utility model.
Embodiment
Embodiment one
Present embodiment is a kind of optical cable vibrations detection alarm device, comprise defence area detector 2, electric wave contrast circuit 3, electric wave processor 4 and alarm, the output of defence area detector 2 connects the input of electric wave contrast circuit 3, the output of electric wave contrast circuit 3 connects the input of electric wave processor 4, by the output of electric wave processor 4 device taking alarm, also comprise wind and rain detector 1, the output of the output of wind and rain detector 1 and defence area detector 2 is jointly as the input of electric wave contrast circuit 3.Also be connected on electric wave processor 4 and the electric wave contrast circuit 3 and adjust circuit 5, adjust on the circuit 5 and be connected to communication interface 13.
Wind and rain detector 1 and defence area detector 2 all are made up of optical transmitting set 7, light emission coupling mechanism 8, optical cable 9, light-receiving coupling mechanism 10, optical receiver 11 and electric wave processor 6, optical transmitting set 7 links to each other with electric wave processor 6, light emission coupling mechanism 8 links to each other with optical transmitting set 7, light-receiving coupling mechanism 10 links to each other with light emission coupling mechanism 8 by optical cable 9, optical receiver 11 links to each other with light-receiving coupling mechanism 10, and electric wave processor 6 links to each other with optical receiver 11.Optical transmitting set 7 and optical receiver 11 all are photoelectric tubes.Also be connected on the electric wave processor and adjust circuit 12.
Wind and rain detector 1 and defence area detector 2 all become light signal to electric signal, again light signal are become electric signal.Optical transmitting set 7 emission light beams, arrive optical receiver 11 through light emission coupling mechanism 8, optical cable 9 and light-receiving coupling mechanism 10, when the optical cable 9 between light emission coupling mechanism 8 and the light-receiving coupling mechanism 10 is subjected to the wind and rain disturbance, the light characteristic that optical receiver 11 receives changes, and be converted to the electric wave of variation, electric wave signal is sent into electric wave contrast circuit 3 compare with the defence area signal.
Carry out the 3rd processing of electric wave processor 4 again by the electric wave signal of electric wave contrast circuit 3, the vibrations electric wave signal that can accurately judge the defence area is invador or wind and rain disturbance.The detected vibration signal in defence area of not blowing when not raining is directly judged by electric wave processor 4.Come the defence area vibration signal is judged by electric wave processor 4 again after 3 startups of electric wave contrast circuit compare during blowing and raining.
By adding the wind and rain detector, the utility model can judge accurately that the vibrations electric wave signal in defence area is invador or wind and rain disturbance, can not produce warning under the situation of wind and rain disturbance, has avoided the false alarm phenomenon, has improved the accuracy of reporting to the police.
The utility model can also have other embodiment, and the technical scheme that equal replacement of all employings or equivalent transformation form all drops within the claimed scope of the utility model.
Claims (8)
1. optical cable shakes detection alarm device, comprise defence area detector, electric wave contrast circuit, electric wave processor and alarm, the output of described defence area detector connects the input of described electric wave contrast circuit, the output of described electric wave contrast circuit connects the input of described electric wave processor, by the output of described electric wave processor device taking alarm, it is characterized in that: also comprise the wind and rain detector, the output of the output of described wind and rain detector and described defence area detector is jointly as the input of described electric wave contrast circuit.
2. optical cable vibrations detection alarm device as claimed in claim 1, it is characterized in that: also be provided with the adjustment circuit, described adjustment circuit links to each other with the electric wave contrast circuit with described electric wave processor.
3. optical cable vibrations detection alarm device as claimed in claim 1 or 2, it is characterized in that: described wind and rain detector is made up of optical transmitting set, light emission coupling mechanism, optical cable, light-receiving coupling mechanism, optical receiver and electric wave processor, described optical transmitting set links to each other with described electric wave processor, described light emission coupling mechanism links to each other with described optical transmitting set, described light-receiving coupling mechanism links to each other with described light emission coupling mechanism by described optical cable, described optical receiver links to each other with described light-receiving coupling mechanism, and described electric wave processor links to each other with described optical receiver.
4. optical cable vibrations detection alarm device as claimed in claim 3, it is characterized in that: described optical transmitting set and optical receiver all are photoelectric tubes.
5. optical cable vibrations detection alarm device as claimed in claim 3, it is characterized in that: also be provided with the adjustment circuit, described adjustment circuit links to each other with described electric wave processor.
6. optical cable vibrations detection alarm device as claimed in claim 1 or 2, it is characterized in that: described defence area detector is made up of optical transmitting set, light emission coupling mechanism, optical cable, light-receiving coupling mechanism, optical receiver and electric wave processor, described optical transmitting set links to each other with described electric wave processor, described light emission coupling mechanism links to each other with described optical transmitting set, described light-receiving coupling mechanism links to each other with described light emission coupling mechanism by described optical cable, described optical receiver links to each other with described light-receiving coupling mechanism, and described electric wave processor links to each other with described optical receiver.
7. optical cable vibrations detection alarm device as claimed in claim 6, it is characterized in that: described optical transmitting set and optical receiver all are photoelectric tubes.
8. optical cable vibrations detection alarm device as claimed in claim 7, it is characterized in that: also be provided with the adjustment circuit, described adjustment circuit links to each other with described electric wave processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200433356U CN201417487Y (en) | 2009-07-10 | 2009-07-10 | Optical cable vibration detection alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200433356U CN201417487Y (en) | 2009-07-10 | 2009-07-10 | Optical cable vibration detection alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201417487Y true CN201417487Y (en) | 2010-03-03 |
Family
ID=41793911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200433356U Expired - Lifetime CN201417487Y (en) | 2009-07-10 | 2009-07-10 | Optical cable vibration detection alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201417487Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247122A (en) * | 2012-02-08 | 2013-08-14 | 北京京安能科技有限公司 | One cable type optical cable vibration detecting and alarming system |
| CN103956013A (en) * | 2014-05-04 | 2014-07-30 | 中国电子科技集团公司第四十一研究所 | Wind and rain disturbing signal real-time judgment method |
-
2009
- 2009-07-10 CN CN2009200433356U patent/CN201417487Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247122A (en) * | 2012-02-08 | 2013-08-14 | 北京京安能科技有限公司 | One cable type optical cable vibration detecting and alarming system |
| CN103956013A (en) * | 2014-05-04 | 2014-07-30 | 中国电子科技集团公司第四十一研究所 | Wind and rain disturbing signal real-time judgment method |
| CN103956013B (en) * | 2014-05-04 | 2016-05-25 | 中国电子科技集团公司第四十一研究所 | A kind of wind and rain disturbing signal real-time judgment method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100303 |