CN218511891U - Wireless low-power consumption ground defense monitoring devices - Google Patents
Wireless low-power consumption ground defense monitoring devices Download PDFInfo
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- CN218511891U CN218511891U CN202220950285.5U CN202220950285U CN218511891U CN 218511891 U CN218511891 U CN 218511891U CN 202220950285 U CN202220950285 U CN 202220950285U CN 218511891 U CN218511891 U CN 218511891U
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Abstract
The invention provides a wireless low-power-consumption ground defense monitoring device, which comprises an antenna, a cover cabin, a cabin body and a fixing device, wherein a rectangular bulge is arranged at the center of the cover cabin; the side wall of the rectangular bulge of the cover cabin is provided with a miniature microphone sound hole; an acoustic sensor and a waterproof sound-transmitting membrane are arranged in the cover cabin; an antenna threaded connector is arranged at the center of the rectangular convex top wall of the cover cabin; the cabin is internally provided with a vibration sensor, a signal processing board and a battery pack; the device accessible is gathered sound signal and vibration signal and is had invasion behaviors such as personnel, vehicle, unmanned aerial vehicle around the edge end detection to carry out the passback with the calculated result through wireless transmission's mode. The device is high in concealment and easy to deploy, can effectively detect the intrusion behavior of ground personnel and vehicles, and can effectively make up the defects that the existing video monitoring system is limited in field angle and lacks of sound vibration perception capability by matching with the existing optical monitoring equipment.
Description
Technical Field
The invention belongs to the field of defense monitoring systems, particularly relates to a ground defense monitoring device, and relates to the theories of acoustics and signal processing, analog circuits, acoustic signal detection, wireless communication and the like.
Background
In recent years, international security and anti-terrorism situations are increasingly severe, and the traditional ground defense monitoring technology faces more complex challenges. For example, video monitoring techniques face the problems of bad weather, day and night alternation, ground fluctuation, dead-angle and blind areas, difficult transmission and the like; the radar detection technology faces threats such as low and small slow targets, ground and sea clutter interference, electromagnetic interference, anti-radiation missiles, low-altitude penetration, stealth technology and the like. Meanwhile, the equipment has high cost, large power consumption, higher requirement on installation and use environment and large difficulty in long-term monitoring. In addition, means such as unmanned aerial vehicle cruises, reconnaissance satellite are only applied in few fields at present, and are not very suitable to most occasions yet.
In important areas such as energy exploitation, finance, nuclear facilities, dams and the like, video monitoring is commonly used for ground defense monitoring at present, and military facilities such as radars and other equipment are mostly limited in cost and cannot be fully applied in the fields.
At present, for important security and protection area ground defense monitoring, video monitoring equipment is mainly used, and the comprehensive application examples of target information such as sound and vibration are few. This is a common "see, cannot hear" problem. In the process of frequently switching a plurality of view fields, monitoring operators are easy to fatigue and difficult to identify the places with potential safety hazards. On the other hand, according to investigation, most accidents and disasters in reality have a great amount of information such as early sound, vibration and the like for early warning. The simple video monitoring is limited by the visual angle, the effect is difficult to be achieved, and the rescue opportunity is delayed.
With the progress of modern technologies, especially the development of integrated circuits, radio frequency communication, signal processing, microelectronics, sensors and other technologies, traditional passive detection technologies such as sound and vibration are new, become powerful auxiliary means of photoelectric and radar detection technologies, are widely applied in the fields of security, intrusion detection and the like, and are valued by countries in the world.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a wireless low-power-consumption ground defense monitoring device.
The technical scheme adopted by the invention for solving the technical problem is as follows:
a wireless low-power-consumption ground defense monitoring device comprises an antenna, a cover cabin, a cabin body and a fixing device; a rectangular bulge is arranged at the center of the cover cabin; the side wall of the rectangular bulge of the cover cabin is provided with a miniature microphone sound hole; an acoustic sensor and a waterproof sound-transmitting membrane are arranged in the cover cabin; an antenna threaded connector is arranged at the center of the rectangular convex top wall of the cover cabin; the antennas are connected through an antenna threaded connector arranged in the center of the cover cabin; the cabin body is internally provided with a vibration sensor, a signal processing board and a battery pack; a female threaded connector is arranged at the center of the lower bottom of the cabin body; the fixing devices are connected through a female threaded connector at the center of the lower bottom of the cabin body.
The fixing device is a ground nail which is conical.
The antenna is a glue stick antenna.
The vibration sensor is a low-frequency vibration sensor, and the frequency response range is 10 Hz-200 Hz.
The acoustic sensor is a silicon acoustic sensor, the frequency response is 100 Hz-80 KHz, and the sensitivity is-36 dB.
The signal processing board in the cabin body uses a communication mode of long-distance radio, and the communication frequency is 433MHz.
And 2 threaded holes are formed in two sides of the rectangular protrusion of the cover cabin and used for mounting the antenna bracket.
And the edge of the cover cabin is provided with a screw hole for fixing the cover cabin with the cabin body by using screws.
The invention has the beneficial effects that: to current ground defense monitoring system who takes video photoelectric monitoring means as the owner, equipment cost is higher, and the consumption is high, and is higher to the installation environment requirement, and video photoelectric monitoring equipment has the monitoring blind area, lacks the problem to sound vibration information flow perception, the utility model provides a wireless low-power consumption ground defense monitoring devices. The device adopts battery powered, wireless transmission, and low-power consumption work has carried on low frequency vibration sensor and sound sensor simultaneously, installs the device behind important regional ground, and the device can detect regional invasion behaviors such as personnel, vehicle, unmanned aerial vehicle around the edge end through the sound signal and the vibration signal of gathering to mode through wireless transmission carries out the passback with the calculated result. The device is high in concealment, easy to deploy, capable of effectively detecting the intrusion behavior of ground personnel and vehicles, capable of effectively making up the defects that the field angle of an existing video monitoring system is limited and the sound vibration perception capability is lacked in cooperation with existing optical monitoring equipment, and widely applicable to the fields of boundary sealing control, infrastructure perimeter precaution, important cultural relic protection and the like.
Drawings
FIG. 1 side view of wireless low power consumption ground defense monitoring device
Fig. 2 is a top view of the wireless low-power ground defense monitoring device.
Fig. 3 is a topological diagram of modules inside the device.
Fig. 4 device software workflow.
In fig. 1, 1 is a glue stick antenna, which is used for enhancing the signal strength of wireless transmission and is fixed by an antenna threaded connector arranged in the center of a cover cabin;
in fig. 1, 2 is a cover cabin which is disc-shaped and used for sealing a cabin body, a rectangular convex structure is arranged at the center of the cover cabin, and a miniature microphone sound hole is arranged on the side wall of the rectangular convex structure;
in fig. 1, 3 is a sound hole of a miniature microphone, and a sound sensor and a waterproof sound-transmitting membrane are arranged in the sound hole for sensing sound signals;
in FIG. 1, 4 is a cabin body, in which a battery pack, a vibration sensor and a signal processing board are arranged;
in FIG. 1, 5 is a stainless steel ground nail for fixing the device during installation and enhancing the coupling effect of vibration signals;
FIG. 1 is a view 6 showing a female threaded connector located at the center of the lower part of the cabin body for connecting a stainless steel ground nail;
in FIG. 2, reference numeral 7 denotes a mounting screw for fixing the upper cover chamber;
in fig. 2, 8 is an antenna bracket mounting threaded hole for mounting an antenna bracket;
in fig. 2, 9 is an antenna threaded connector for fixedly connecting an antenna;
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
The scheme of the invention is a wireless low-power consumption ground defense monitoring device, which comprises an antenna, a cover cabin, a cabin body and a fixing device, wherein the cover cabin is provided with a plurality of cavities; a rectangular bulge is arranged at the center of the cover cabin; the side wall of the rectangular bulge of the cover cabin is provided with a miniature microphone sound hole; an acoustic sensor and a waterproof sound-transmitting membrane are arranged in the cover cabin; an antenna threaded connector is arranged at the center of the rectangular convex top wall of the cover cabin; the antennas are connected through an antenna threaded connector arranged in the center of the cover cabin; the cabin body is internally provided with a vibration sensor, a signal processing board and a battery pack; a female threaded connector is arranged at the center of the lower bottom of the cabin body; the fixing devices are connected through a female threaded connector at the center of the lower bottom of the cabin body.
The fixing device is a ground nail which is conical and is used for fixing equipment during installation and enhancing the coupling effect of vibration signals.
The cover cabin is provided with screw holes at the edge for fixing with the cabin body by screws.
The antenna is a glue stick antenna.
The vibration sensor is a low-frequency vibration sensor, and the frequency response range is 10 Hz-200 Hz.
The acoustic sensor is a silicon acoustic sensor, the frequency response is 100 Hz-80 KHz, and the sensitivity is-36 dB.
The wireless communication mode selects a long-distance wireless communication mode, and the communication frequency selects 433MHz.
And 2 threaded holes are formed in two sides of the rectangular protrusion of the cover cabin and used for mounting the antenna bracket.
The general structure of the device of the invention is shown in fig. 1 and 2. In fig. 1, 1 is a glue stick antenna, which is used for enhancing the signal strength of wireless transmission and is fixed by an antenna threaded connector arranged in the center of a cover cabin; in fig. 1, 2 is a cover cabin which is disc-shaped and used for sealing a cabin body, a rectangular convex structure is arranged at the center of the cover cabin, and a miniature microphone sound hole is arranged on the side wall of the rectangular convex structure; in fig. 1, 3 is a sound hole of a miniature microphone, and an acoustic sensor and a waterproof sound-transmitting membrane are arranged in the sound hole for sensing sound signals; in fig. 1, 4 is a cabin body, in which a battery pack, a vibration sensor and a signal processing board are arranged; in FIG. 1, 5 is a stainless steel ground nail for fixing the device during installation and enhancing the coupling effect of vibration signals; FIG. 1 is a view 6 showing a female threaded connector located at the center of the lower part of the cabin body for connecting a stainless steel ground nail; in FIG. 2, reference numeral 7 denotes a mounting screw for fixing the upper cover chamber; in fig. 2, 8 is an antenna bracket mounting threaded hole for mounting an antenna bracket; in fig. 2, 9 is an antenna threaded connector for fixedly connecting an antenna;
the topological diagram of each module in the device of the device is shown in figure 3.
The working flow chart of the internal software of the device is shown in figure 4.
The vibration sensor in the device is generally a type-selecting low-frequency vibration sensor, the frequency response range is 10 Hz-200 Hz, the sound sensor type-selecting silicon sound sensor has the frequency response of 100 Hz-80 KHz and the sensitivity of-36 dB, the wireless communication mode selects a long-distance radio communication mode, the communication frequency selects 433MHz, and the specific implementation steps are as follows:
1. installation of equipment
A pit hole with the radius of 10cm and the depth of 15cm is dug in the soil ground, the device is directly inserted into the pit hole after being installed with a ground nail, the device is buried by test soil for installation, and the antenna of the device needs to be ensured to be normally exposed out of the ground after the installation is completed.
2. Device boot
The control center computer sends a starting-up electronic instruction to the device through the remote radio equipment, and the equipment can be automatically started up after receiving the starting-up instruction.
3. Sleep of equipment
The device can immediately enter a sleep state after being started, and the device can keep an ultra-low power consumption working state in the sleep working state.
4. Trigger wakeup
In a sleep working state, a trigger of the device can work normally, and when the trigger receives any trigger signal of the sound sensor and the vibration sensor, the trigger can wake up a low-power-consumption processor of the equipment and enter a working state.
5. Signal detection
The equipment entering the working state can immediately collect the sound signal and the vibration signal within 1 second, combines the signal characteristics to carry out detection and analysis, and judges whether the sound signal or the vibration signal is generated by the invasion of personnel and vehicles.
6. Wireless communication
After the equipment finishes detecting the acquired signals, the equipment can automatically send the detection result to a back-end control center through a long-distance radio protocol.
7. Automatic sleep
After the wireless communication transmission is finished, the equipment can continuously and automatically enter a sleep working state, and the trigger is kept to continuously work in an ultra-low power consumption state, and the process is repeated.
Claims (8)
1. The utility model provides a wireless low-power consumption ground defense monitoring devices, includes antenna, lid cabin, cabin body and fixing device, its characterized in that: a rectangular bulge is arranged at the center of the cover cabin; the side wall of the rectangular bulge of the cover cabin is provided with a miniature microphone sound hole; an acoustic sensor and a waterproof sound-transmitting membrane are arranged in the cover cabin; an antenna threaded connector is arranged at the center of the rectangular convex top wall of the cover cabin; the antennas are connected through an antenna threaded connector arranged in the center of the cover cabin; a vibration sensor, a signal processing board and a battery pack are arranged in the cabin; a female threaded connector is arranged at the center of the lower bottom of the cabin body; the fixing devices are connected through a female threaded connector at the center of the lower bottom of the cabin body.
2. The wireless low-power ground defense monitoring device according to claim 1, characterized in that: the fixing device is a ground nail which is conical.
3. The wireless low-power ground defense monitoring device according to claim 1, characterized in that: the antenna is a glue stick antenna.
4. The wireless low-power ground defense monitoring device according to claim 1, characterized in that: the vibration sensor is a low-frequency vibration sensor, and the frequency response range is 10 Hz-200 Hz.
5. The wireless low-power ground defense monitoring device according to claim 1, characterized in that: the acoustic sensor is a silicon acoustic sensor, the frequency response is 100 Hz-80 KHz, and the sensitivity is-36 dB.
6. The wireless low-power ground defense monitoring device according to claim 1, characterized in that: the signal processing board in the cabin body uses a long-distance radio communication mode, and the communication frequency is 433MHz.
7. The wireless low-power ground defense monitoring device according to claim 1, characterized in that: and 2 threaded holes are formed in two sides of the rectangular protrusion of the cover cabin and used for mounting the antenna bracket.
8. The wireless low-power ground defense monitoring device according to claim 1, characterized in that: and the edge of the cover cabin is provided with a screw hole for fixing the cover cabin with the cabin body by using screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220950285.5U CN218511891U (en) | 2022-04-21 | 2022-04-21 | Wireless low-power consumption ground defense monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220950285.5U CN218511891U (en) | 2022-04-21 | 2022-04-21 | Wireless low-power consumption ground defense monitoring devices |
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| Publication Number | Publication Date |
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| CN218511891U true CN218511891U (en) | 2023-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220950285.5U Active CN218511891U (en) | 2022-04-21 | 2022-04-21 | Wireless low-power consumption ground defense monitoring devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117292494A (en) * | 2023-11-27 | 2023-12-26 | 吉林大学 | Signal identification method, system, computer equipment and medium for sound and vibration fusion |
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2022
- 2022-04-21 CN CN202220950285.5U patent/CN218511891U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117292494A (en) * | 2023-11-27 | 2023-12-26 | 吉林大学 | Signal identification method, system, computer equipment and medium for sound and vibration fusion |
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