CN216719205U - Anti-interference vibrating optical cable perimeter alarm system - Google Patents
Anti-interference vibrating optical cable perimeter alarm system Download PDFInfo
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- CN216719205U CN216719205U CN202122365356.3U CN202122365356U CN216719205U CN 216719205 U CN216719205 U CN 216719205U CN 202122365356 U CN202122365356 U CN 202122365356U CN 216719205 U CN216719205 U CN 216719205U
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Abstract
The utility model relates to the field of monitoring equipment, in particular to an anti-interference vibrating optical cable perimeter alarm system which comprises a vibrating optical cable alarm unit, a detection module, a comparison module and an alarm module, wherein the vibrating optical cable alarm unit outputs a first alarm signal when detecting an invading object, the detection module comprises a video alarm unit and a laser alarm unit, the video alarm unit is used for collecting video information at a perimeter wall and outputting a second alarm signal when detecting the invading object, and the laser alarm unit is used for collecting laser information at the perimeter wall and outputting a third alarm signal when detecting the invading object; the comparison module outputs a first excitation signal when receiving one signal, and outputs a second excitation signal when receiving two or more signals; and the alarm module receives and stores the first excitation signal, receives and stores the second excitation signal and gives an alarm. The utility model has the effect of reducing the false alarm rate.
Description
Technical Field
The utility model relates to the field of monitoring equipment, in particular to an anti-interference vibrating type optical cable perimeter alarm system.
Background
In order to prevent illegal invasion and various destructive activities, the traditional precaution measures are to arrange some barriers or obstacles at the peripheral boundary wall of the area to be protected, and arrange personnel to strengthen patrol. However, under the condition that criminals use advanced scientific technology and crime means are more complicated and intelligent, the traditional prevention means is difficult to adapt to the needs of security work of key departments and key units. The human prevention is often influenced by factors such as time, regions, personnel quality and energy, and loopholes and errors are difficult to avoid. Therefore, it becomes a necessary measure to install and apply advanced perimeter alarm systems at perimeter walls.
The perimeter alarm system who installs at present mainly with laser correlation and vibration optical cable two types, receives the influence of installation environment complicacy and system self characteristics, and these two kinds of perimeter alarm system misstatement rate are higher, often need a large amount of efforts and manpower to confirm the scene of reporting to the police after reporting to the police, just can judge whether the misstatement.
SUMMERY OF THE UTILITY MODEL
The utility model provides an anti-interference vibrating type optical cable perimeter alarm system in order to solve the problems of high false alarm rate and low accuracy in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that:
an anti-interference vibration type optical cable perimeter alarm system comprises a vibration optical cable alarm unit, a detection module, a comparison module and an alarm module, wherein the vibration optical cable alarm unit outputs a first alarm signal when detecting an invading object,
the detection module comprises a video alarm unit and a laser alarm unit, wherein the video alarm unit is used for acquiring video information at the position of the perimeter wall and outputting a second alarm signal when an invading object is detected, and the laser alarm unit is used for acquiring laser information at the position of the perimeter wall and outputting a third alarm signal when the invading object is detected;
a first signal input end of the comparison module is connected with a signal output end of the vibration optical cable alarm host and used for receiving a first alarm signal, a second signal input end of the comparison module is connected with a signal output end of the video alarm unit and used for receiving a second alarm signal, a third signal input end of the comparison module is connected with a signal output end of the laser alarm unit and used for receiving a third alarm signal, a first excitation signal is output when one signal is received, and a second excitation signal is output when two or more signals are received;
and the alarm module receives and stores the first excitation signal, receives and stores the second excitation signal and gives an alarm.
By adopting the technical scheme, when the perimeter wall is monitored, the intrusion object at the perimeter wall is detected by using the vibration optical cable alarm unit, the video alarm unit and the laser alarm unit, the vibration optical cable alarm unit can mainly detect the vibration generated at the perimeter wall, the video alarm unit can detect through the video at the perimeter wall, the laser alarm unit detects through the photoelectric information at the perimeter wall, when the detection is carried out, the comparison module outputs a second excitation signal to excite the alarm module to alarm only after two alarm means are triggered, and only when the first excitation signal is input into the alarm module, the alarm module only records; a multi-dimensional monitoring system is established, and the effects of improving the accuracy of a perimeter alarm system and reducing the false alarm rate are achieved.
As a preferred scheme of the present invention, the video alarm unit includes a defense area video monitor and an NVR, the defense area video monitor is disposed on the perimeter wall, and is configured to collect video information at the perimeter wall and output a first alarm signal when an intrusion object is detected; the NVR is in communication connection with the defense area video monitoring, and is used for receiving and storing video information collected by the defense area video monitoring.
As a preferred scheme of the present invention, the laser alarm unit includes a laser transmitter and a laser receiver, the laser transmitter and the laser receiver are respectively installed on two sides of the perimeter wall, the laser transmitter is configured to transmit laser, the laser receiver is configured to receive laser, and the laser receiver outputs a third alarm signal when not receiving laser.
As a preferable scheme of the present invention, the vibration optical cable alarm unit includes a vibration optical cable installed on the perimeter enclosure, and a vibration optical cable alarm host, the vibration optical cable is configured to detect vibration at the perimeter enclosure and output a detection signal when the vibration is detected, a signal input end of the vibration optical cable alarm host is connected to a signal output end of the vibration optical cable, and a first alarm signal is output when the detection signal is received.
As a preferred embodiment of the present invention, the comparison module is a two-out-of-three logic flip-flop.
As a preferred scheme of the present invention, the alarm module comprises a perimeter alarm host, a perimeter precaution system client and an acousto-optic alarm, wherein a signal input end of the perimeter alarm host is connected with a signal output end of the two-out-of-three logic trigger;
the perimeter alarm host is in communication connection with a perimeter precaution system client, outputs alarm information when receiving a first excitation signal or a second excitation signal, and the perimeter precaution system client is used for receiving and recording the alarm information;
and the perimeter alarm host is connected with the audible and visual alarm and excites the audible and visual alarm when receiving a second excitation signal.
As a preferred scheme of the present invention, the present invention further includes an ethernet for the communication connection between the perimeter precaution system client and the perimeter alarm host, and for the communication connection between the NVR and the defense area video monitoring.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that: when the perimeter enclosure is monitored, the intrusion object at the perimeter enclosure is detected by using the vibration optical cable alarm unit, the video alarm unit and the laser alarm unit, the vibration optical cable alarm unit can mainly detect the vibration generated at the perimeter enclosure, the video alarm unit can detect through the video at the perimeter enclosure, the laser alarm unit detects through the photoelectric information at the perimeter enclosure, when the detection is carried out, the comparison module outputs a second excitation signal to excite the alarm module to alarm only after two alarm means are triggered, and when only the first excitation signal is input to the alarm module, the alarm module only records; a multi-dimensional monitoring system is established, and the effects of improving the accuracy of a perimeter alarm system and reducing the false alarm rate are achieved.
Drawings
Fig. 1 is a schematic diagram of the system connection structure of the present invention.
Fig. 2 is a schematic view of the installation of the alarm unit of the present invention.
Reference numeral, 1, a vibrating optical cable; 2. a video alarm unit; 3. and a laser alarm unit.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example 1
An anti-interference vibration type optical cable perimeter alarm system is shown in fig. 1 and fig. 2 and comprises a vibration optical cable alarm unit, a detection module, a comparison module, an alarm module and an Ethernet; the detection module comprises a video alarm unit and a laser alarm unit, the video alarm unit is used for collecting video information at the position of the perimeter wall and outputting a second alarm signal when the invasion object is detected, and the laser alarm unit is used for collecting laser information at the position of the perimeter wall and outputting a third alarm signal when the invasion object is detected. The method comprises the steps that a vibration optical cable alarm unit, a video alarm unit and a laser alarm unit are arranged to detect various kinds of trigger information at a peripheral wall respectively, then a comparison module is used for processing a first alarm signal, a second alarm signal and a third alarm signal, and an alarm module is used for alarming; a multi-dimensional monitoring system is established, and the effects of improving the accuracy of a perimeter alarm system and reducing the false alarm rate are achieved.
Referring to fig. 1, the comparison module is a two-out-of-three logic trigger, the two-out-of-three logic trigger may be implemented by a programmable logic device, and a Cyclone series or MAX 10 programmable logic device may be used to implement a two-out-of-three logic, which is not described in detail in this embodiment. The first signal input end of the comparison module is connected with the signal output end of the vibration optical cable alarm host, the second signal input end of the comparison module is connected with the signal output end of the video alarm unit, and the third signal input end of the comparison module is connected with the signal output end of the laser alarm unit. The alarm device is used for receiving a first alarm signal, a second alarm signal and a third alarm signal respectively, outputting a first excitation signal when receiving one of the signals, and outputting a second excitation signal when receiving two or more signals.
Referring to fig. 2, the vibration optical cable alarm unit comprises a vibration optical cable and a vibration optical cable alarm host installed on the perimeter enclosure, the vibration optical cable is used for detecting vibration at the perimeter enclosure, when the vibration is detected, the vibration optical cable outputs a detection signal, the signal input end of the vibration optical cable alarm host is connected with the signal output end of the vibration optical cable, the detection signal can be processed when the detection signal is received, and a first alarm signal is output after the processing.
The vibrating optical cable provides an efficient method for detecting perimeter intrusion, has the characteristics of intrinsic safety and consistent sensitivity in an effective range to ensure continuous and effective monitoring, and can sense vibration, distortion, pressure and shearing of a protected fence in a large range. The vibration optical cable senses vibration through the propagation track change of the laser beam in the optical fiber, so that the vibration optical cable is not influenced by any radiation and electromagnetic interference, and the invasion attempts that the perimeter fence protective net is cut and the fence is climbed can be effectively detected.
The video alarm unit comprises a defense area video monitor and an NVR (network video recorder), the defense area video monitor is in communication connection with the NVR, and the defense area video monitor is arranged on the perimeter wall and used for acquiring video information at the perimeter wall and outputting a first alarm signal when an invading object is detected; the video monitoring of the defense area adopts a programmable camera which can judge whether human-shaped movement exists or not while acquiring videos. Such as cameras of the type DS-2CD2646FWDA 2-IZS/ZJ.
And the NVR is in communication connection with the defense area video monitoring and is used for receiving and storing the video information acquired by the defense area video monitoring. The NVR and the programmable camera work cooperatively, and the functions of video recording, storage and forwarding can be completed.
The laser alarm unit comprises a laser transmitter and a laser receiver, the laser transmitter and the laser receiver are respectively installed on two sides of the perimeter wall, the laser transmitter is used for transmitting laser, the laser receiver is used for receiving the laser, and the laser receiver outputs a third alarm signal when not receiving the laser.
The alarm module comprises a perimeter alarm host, a perimeter precaution system client and an acousto-optic alarm, wherein the signal input end of the perimeter alarm host is connected with the signal output end of the two-out-of-three logic trigger, and the perimeter alarm host is used for receiving the first excitation signal or the second excitation signal, processing the first excitation signal or the second excitation signal and recording when receiving the first excitation signal; and recording and alarming when the second excitation signal is received.
The perimeter alarm host is connected with the perimeter precaution system client through the Ethernet, and the perimeter precaution system client is used for receiving and recording alarm information. The staff can look up the record through the perimeter precaution system client, obtain the alarm situation that appears in the monitoring process.
The audible and visual alarm is connected with the perimeter alarm host, and when the perimeter alarm host receives the second excitation signal, the perimeter alarm host can control the audible and visual alarm to start and send out audible and visual alarms to remind workers.
The Ethernet is used for networking, is used for communication connection between video monitoring and NVR (network video recorder) in a defense area, is used for communication connection between a client of the perimeter precaution system and the perimeter alarm host, and is used for communication connection between the vibration optical cable alarm host and the perimeter precaution system.
As shown in figure 2, the vibration optical cable, the video alarm unit and the laser alarm unit in the vibration optical cable alarm unit are all arranged on the peripheral wall.
When illegal invasion occurs, the vibration optical cable host detects that the optical cable in the defense area vibrates to output a first alarm signal, the camera detects that the humanoid movement outputs a second alarm signal, the laser receiver blocks the incident light to output a third alarm signal, and the comparison module outputs a second excitation signal when receiving the three signals to trigger the audible and visual alarm to alarm.
In severe weather, the vibrating optical cable alarm unit does not trigger an alarm due to the shielding of the vibrating optical cable system in severe weather; the video alarm unit does not send an alarm when detecting the human figure; when only the laser alarm unit is triggered, the comparison module only receives the third alarm signal and does not trigger the system to alarm by sound and light; if illegal invasion happens at the moment and the vibration optical cable alarm unit or the video alarm unit is triggered, the comparison module can receive the first alarm signal or the second alarm signal and trigger sound and light alarm.
When a small animal touches the vibration optical cable, the vibration optical cable alarm unit triggers an alarm, laser correlation light is not shielded, the laser alarm unit does not give an alarm, the video alarm unit does not detect human figure and does not give an alarm, and the comparison module only receives a first alarm signal and does not trigger a system to give an alarm by sound and light; if illegal invasion happens, the laser alarm unit or the video alarm unit is triggered to trigger sound and light alarm.
When fog or the camera is shielded, the camera cannot detect the human shape, illegal intrusion occurs, the optical cable is vibrated, laser correlation triggers alarm, and the system normally triggers sound and light alarm according to the principle of selecting two from three.
In conclusion, the perimeter alarm system provided by the embodiment can avoid false alarm caused by a single detection means according to three different detection means. The alarm accuracy is improved, and the false alarm rate is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. An anti-interference vibration type optical cable perimeter alarm system comprises a vibration optical cable alarm unit, wherein the vibration optical cable alarm unit outputs a first alarm signal when detecting an invading object, and is characterized by also comprising a detection module, a comparison module and an alarm module, wherein,
the detection module comprises a video alarm unit and a laser alarm unit, wherein the video alarm unit is used for acquiring video information at the position of the perimeter wall and outputting a second alarm signal when an invading object is detected, and the laser alarm unit is used for acquiring laser information at the position of the perimeter wall and outputting a third alarm signal when the invading object is detected;
a first signal input end of the comparison module is connected with a signal output end of the vibration optical cable alarm host and used for receiving a first alarm signal, a second signal input end of the comparison module is connected with a signal output end of the video alarm unit and used for receiving a second alarm signal, a third signal input end of the comparison module is connected with a signal output end of the laser alarm unit and used for receiving a third alarm signal, a first excitation signal is output when one signal is received, and a second excitation signal is output when two or more signals are received;
and the alarm module receives and stores the first excitation signal, receives and stores the second excitation signal and gives an alarm.
2. The tamper-resistant vibratory optical cable perimeter alarm system of claim 1, wherein the video alarm unit comprises a defense video surveillance and NVR, the defense video surveillance being disposed on the perimeter enclosure for capturing video information at the perimeter enclosure and outputting a first alarm signal upon detection of an intruding object; the NVR is in communication connection with the defense area video monitoring, and is used for receiving and storing video information collected by the defense area video monitoring.
3. The tamper-resistant vibratory cable perimeter alarm system of claim 1, wherein the laser alarm unit comprises a laser transmitter and a laser receiver, the laser transmitter and the laser receiver being mounted on opposite sides of the perimeter wall, the laser transmitter being configured to transmit laser light, the laser receiver being configured to receive laser light, the laser receiver outputting a third alarm signal when not receiving laser light.
4. The anti-tamper vibrating optical cable perimeter alarm system according to claim 1, wherein said vibrating optical cable alarm unit includes a vibrating optical cable mounted on the perimeter enclosure, said vibrating optical cable being configured to detect vibration at the perimeter enclosure and output a detection signal when the vibration is detected, and a vibrating optical cable alarm host, a signal input terminal of said vibrating optical cable alarm host being connected to a signal output terminal of the vibrating optical cable and outputting a first alarm signal when the detection signal is received.
5. The tamper-resistant vibrating cable perimeter alarm system of claim 2, wherein the comparison module is a two-out-of-three logic trigger.
6. The anti-interference vibrating optical cable perimeter alarm system according to claim 5, wherein said alarm module includes a perimeter alarm host, a perimeter precaution system client, and an acousto-optic alarm, a signal input terminal of said perimeter alarm host being connected to a signal output terminal of the two-out-of-three logic trigger;
the perimeter alarm host is in communication connection with a perimeter precaution system client, outputs alarm information when receiving a first excitation signal or a second excitation signal, and the perimeter precaution system client is used for receiving and recording the alarm information;
and the perimeter alarm host is connected with the audible and visual alarm and excites the audible and visual alarm when receiving a second excitation signal.
7. The tamper-resistant vibratory cable perimeter alarm system of claim 6, further comprising an ethernet for communication between the perimeter precaution system client and the perimeter alarm host, for communication between the NVR and the defense video surveillance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122365356.3U CN216719205U (en) | 2021-09-28 | 2021-09-28 | Anti-interference vibrating optical cable perimeter alarm system |
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| CN202122365356.3U CN216719205U (en) | 2021-09-28 | 2021-09-28 | Anti-interference vibrating optical cable perimeter alarm system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115623031A (en) * | 2022-09-20 | 2023-01-17 | 中邮通建设咨询有限公司 | Three-dimensional wisdom building site operation and maintenance management and control platform |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115623031A (en) * | 2022-09-20 | 2023-01-17 | 中邮通建设咨询有限公司 | Three-dimensional wisdom building site operation and maintenance management and control platform |
| CN115623031B (en) * | 2022-09-20 | 2023-11-03 | 中邮通建设咨询有限公司 | Three-dimensional intelligent building site operation and maintenance management and control platform |
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