CN208722386U - A sound and light alarm system for automatic monitoring of geological disasters - Google Patents
A sound and light alarm system for automatic monitoring of geological disasters Download PDFInfo
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- CN208722386U CN208722386U CN201821398206.4U CN201821398206U CN208722386U CN 208722386 U CN208722386 U CN 208722386U CN 201821398206 U CN201821398206 U CN 201821398206U CN 208722386 U CN208722386 U CN 208722386U
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Abstract
本实用新型公开一种地质灾害自动监测声光报警系统，包括监测传感器、控制终端、移动通信模块Ⅰ、北斗模块Ⅰ、电源装置、移动通信模块Ⅱ、北斗模块Ⅱ、监控中心、声光报警装置，监测传感器设于地质监测点且与控制终端连接，控制终端输出端分别与移动通信模块Ⅰ、北斗模块Ⅰ输入端连接，控制终端、移动通信模块Ⅰ、北斗模块Ⅰ及声光报警装置电源端与电源装置连接，移动通信模块Ⅰ过移动基站经移动网络与移动通信模块Ⅱ连接，北斗模块Ⅰ过北斗卫星与北斗模块Ⅱ连接，移动通信模块Ⅱ及北斗模块Ⅱ与监控中心信号连接，声光报警装置信号输入端与控制终端报警信号端连接。本实用新型具有覆盖范围广、时效性强、可靠性和自动化程度高的特点。
The utility model discloses an acousto-optic alarm system for automatic monitoring of geological disasters, comprising a monitoring sensor, a control terminal, a mobile communication module I, a Beidou module I, a power supply device, a mobile communication module II, a Beidou module II, a monitoring center, and an acousto-optic alarm device The monitoring sensor is located at the geological monitoring point and connected to the control terminal. The output end of the control terminal is connected to the input end of the mobile communication module I and the Beidou module I respectively. The control terminal, the mobile communication module I, the Beidou module I and the power supply end of the sound and light alarm device Connected with the power supply device, the mobile communication module I is connected to the mobile communication module II through the mobile base station and the mobile network, the Beidou module I is connected to the Beidou module II through the Beidou satellite, the mobile communication module II and the Beidou module II are connected to the monitoring center for signal, sound and light. The signal input end of the alarm device is connected with the alarm signal end of the control terminal. The utility model has the characteristics of wide coverage, strong timeliness, high reliability and high degree of automation.
Description
Technical field
The utility model belongs to geology monitoring technical field, and in particular to a kind of wide coverage, timeliness be strong, reliability
Geological disaster with high degree of automation monitors acoustooptic alarm system automatically.
Background technique
Geological disaster refers to due to natural and artificial geologic process, makes that ecological environment is destroyed or geologic body becomes
The disastrous occurrence changed and generated.Common geological disaster have earthquake, volcano, landslide, mud-rock flow, surface collapse, surface subsidence,
Ground fissure, avalanche, coal petrography and gas explosion etc..The common geological disaster such as landslide, avalanche, mud-rock flow destroys job facilities, directly
It connects or causes a tremendous loss of lives indirectly, not only there are the geological disasters such as mud-rock flow, landslide in rural area, and many cities also face at present
Landslide etc. geological disasters threat.Since the geological disasters such as landslide, avalanche, mud-rock flow have sudden and concealment etc. special
Point makes prevention work there are certain difficulty, to the people's lives and property bring huge loss how real-time monitoring geology feelings
Condition is problem now urgently to be resolved at present.
Traditional Geological Hazards Monitoring needs experienced expert to live on-site inspection, monitors geologic body situation, according to
Different phenomenons that geologic body occurs (such as chip off-falling, fall, crack, protuberance, loosening etc.) make corresponding precautionary measures in time, this
Kind method accuracy is not high, and due to the contingency that geological disaster occurs, the vast rural areas are had inconvenient traffic and some areas are disliked
The factors such as bad terrain environment, thus the problems such as there are coverage areas small, low efficiency, timeliness are weak, investment is big.The prior art
In, Geological Hazards Monitoring mainly uses conventional deformation monitoring device and technology, mainly uses theodolite, level, ranging
The conventional measuring equipments such as instrument, total station carry out the deformation values of measuring point.Due to China mountain area area account for national total area three/
Two, structure is complicated for mountain area geology, and with the quickening of Construction of The Mountainous Region speed, ecological environment is destroyed, mud-rock flow, landslide, avalanche,
The geological disasters such as mountain torrents outburst is frequent.In the monitoring of the geological disasters such as mud-rock flow, landslide, avalanche, Monitoring Focus is monitoring massif
The deformation of itself, its biggest characteristic is that: first is that deformation slowly, the several hours having, several days or even just changes some months；
Second is that landslide, avalanche and mud-rock flow often have close relationship with rainfall；Third is that the monitoring typically no city in place is electrically accessed.It is existing
Have that monitoring system functional is single, geological deformation, rainfall and wind speed can not be monitored simultaneously.Therefore, the prior art is due to operation work
Work amount is big, layouting the reasons such as is influenced by orographic condition, is difficult to realize wide coverage, the automation that timeliness is strong, safe and reliable
Monitoring and alarm.
Utility model content
The purpose of this utility model is to provide a kind of wide coverage, timeliness is strong, reliability and high degree of automation
Geological disaster monitor acoustooptic alarm system automatically.
Purpose of the utility model is realized as follows: including monitoring sensor, controlling terminal, mobile communication module I, north
Struggle against short message module I, power supply device, mobile communication module II, Big Dipper short message module II, monitoring center, acoustic-optic alarm,
The monitoring sensor is set to geology monitoring point and the signal acquisition terminal of signal output end and controlling terminal connects, the control
The information output of terminal is connect with the information input terminal of mobile communication module I, Big Dipper short message module I respectively, the control
Terminal, mobile communication module I, Big Dipper short message module I and acoustic-optic alarm power end respectively with the output of power supply device
End connection, the mobile communication module I are connect through mobile network with mobile communication module II by mobile base station, and the Beidou is short
Message module I is connect by big-dipper satellite with Big Dipper short message module II, the mobile communication module II and Big Dipper short message mould
Block II is connect with monitoring center signal respectively, and the monitoring center after receiving monitoring data and analysis to controlling terminal for assigning
Alarm signal, the signal input part of the acoustic-optic alarm and the alarm signal end of controlling terminal connect.
The utility model has the advantages that compared with prior art
1, the utility model by integration in the prior art mature monitoring sensor, controlling terminal, monitoring center and
It is acoustic-optic alarm, at low cost, relativity of information is big, deployment and the low mobile communication and broad covered area of maintenance cost, anti-dry
It disturbs the big-dipper satellite short message two-way communication technology that ability is strong, highly reliable to combine, improves the safety of overall data transmission
Property and reliability, real-time effective monitoring in the area suitable for remote mountain areas or bad environments, reduce monitoring human cost and
Monitoring prospecting difficulty.
2, acoustic-optic alarm in the prior art is arranged in the monitoring where controlling terminal for the utility model, passes through energy
The mobile network of enough transmitted in both directions and the two-way short message of big-dipper satellite transmit potential catastrophe body in the deformation information of time-space domain and lure
Hair factor monitoring data, information monitoring center is automatic or manual to be differentiated the monitoring data uploaded and returns alarm signal, and control is eventually
Alarm signal driving acoustic-optic alarm is alarmed in a manner of short message, sound etc. nearby on detection ground based on the received at end, is improved
Geological Hazards Monitoring keeps away calamity, the ability of mitigation.
3, the utility model setting scene is transported to electric installation as backup power source, the burst feelings such as accident of power supply can occurring
It under condition or is difficult to access the monitoring place of alternating current and is powered to monitoring terminal, improve the reliability and adaptation of monitoring terminal
Property.
4, the monitoring sensor of the utility model intersperses among around controlling terminal location, and each sensor that monitors passes through WIFI
The WIFI module I of module II and controlling terminal location, is transmitted after monitoring data are summarized to controlling terminal, can improve
The range of monitoring, and monitoring terminal can be effectively reduced and possess cost and use cost.
5, the data storage connecting with controlling terminal is arranged in controlling terminal location for the utility model, can be in movement
Communication and Big Dipper short message form buffering when leading to not communication due to interference or other factors, in time slow when to be communicated normal
Data sending is rushed, whole reliability is improved.
Therefore, the utility model has the characteristics that strong wide coverage, timeliness, reliability and high degree of automation.
Detailed description of the invention
Fig. 1 is the utility model principle figure；
In figure: 1- monitors sensor, 2- controlling terminal, 3- mobile communication module I, 4- Big Dipper short message module I, 5- power supply
Device, 51- device of solar generating, 52- battery, 53 power supply and distribution devices, 6- mobile communication module II, 7- Big Dipper short message mould
Block II, 8- monitoring center, 81- monitoring host computer, 82- memory, 83- interchanger, 9- acoustic-optic alarm, A- channel selecting mould
Block, B- data storage, C-WIFI module I, D-WIFI module II.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples, but unpractical to this in any way
It is novel to limit, made any changes and modifications are instructed based on the utility model, belong to the protection model of the utility model
It encloses.
As shown in Figure 1, the utility model includes monitoring sensor 1, controlling terminal 2, mobile communication module I 3, the short report of Beidou
Literary module I 4, power supply device 5, mobile communication module II 6, Big Dipper short message module II 7, monitoring center 8, acoustic-optic alarm 9,
The monitoring sensor 1 is set to geology monitoring point and signal output end is connect with the signal acquisition terminal of controlling terminal 2, the control
The information output of terminal 2 processed is connect with the information input terminal of mobile communication module I 3, Big Dipper short message module I 4 respectively, described
Controlling terminal 2, mobile communication module I 3, Big Dipper short message module I 4 and acoustic-optic alarm 9 power end filled respectively with power supply
5 output end connection is set, the mobile communication module I 3 is connected by mobile base station through mobile network and mobile communication module II 6
It connects, the Big Dipper short message module I 4 is connect by big-dipper satellite with Big Dipper short message module II 7, the mobile communication module II
6 and Big Dipper short message module II 7 connect respectively with 8 signal of monitoring center, the monitoring center 8 for receive monitoring data and point
Alarm signal, the signal input part of the acoustic-optic alarm 9 and the alarm signal of controlling terminal 2 are assigned to controlling terminal 2 after analysis
Number end connection.
The power supply device 5 includes main power source and/or backup power source, and the backup power source is that solar energy and/or wind energy are sent out
Power distribution equipment, the backup power source include wind electricity generating system and/or device of solar generating 51, battery 52, power supply and distribution dress
53 are set, the monitoring sensor 1, controlling terminal 2, mobile communication module I 3, Big Dipper short message module I 4 and acoustic-optic alarm 9
Power end connect respectively with the output end of power supply and distribution device 53.
The monitoring sensor 1 includes GNSS receiver, type vibration wire slit gauge, multipoint displacement meter, osmometer, rainfall sensing
One of device or any combination, the mobile communication module I 3 and mobile communication module II 6 be GSM, GPRS, UMTS, 4G,
One of 5G, NB-IoT.
Channel selecting module is provided between the controlling terminal 2 and mobile communication module I 3, Big Dipper short message module I 4
The information output of A, the controlling terminal 2 are connect with the input terminal of channel selecting module A, and the channel selecting module A's is defeated
Outlet is connect with the input terminal of mobile communication module I 3, Big Dipper short message module I 4 respectively.
The monitoring center 8 includes monitoring host computer 81, memory 82, interchanger 83, the mobile communication module II 6 and north
Bucket short message module II 7 is connect with the communication port of monitoring host computer 81 respectively, the data of the memory 82 and monitoring host computer 81
Port connection, the interchanger 83 are connect with the network port of monitoring host computer 81.
The monitoring host computer 81 connect input warning message, the monitoring with intelligent terminal by mobile communication module II 6
Host 81 carries out the publication of Web network alert information by interchanger 83, and the monitoring center 8 is also equipped with alarm signal end therewith
The acoustic-optic alarm 9 of connection.
The monitoring sensor 1 is set to 2 location of controlling terminal and/or is distributed in 2 periphery of controlling terminal, the setting
In 2 location of controlling terminal monitoring sensor 1 signal output end directly with the signal acquisition terminal wired connection of controlling terminal 2
And power end is connect with the output end of power supply device 5.
The utility model further includes being set to I C of WIFI module in 2 location of controlling terminal and being distributed in controlling terminal 2 weeks
II D of WIFI module in monitoring 1 location of sensor on side, the signal end of I C of WIFI module and the signal of controlling terminal 2 are adopted
Collect end wired connection, the signal of the signal end of II D of WIFI module and the monitoring sensor 1 for being distributed in 2 periphery of controlling terminal
Input terminal wired connection, I C of WIFI module and II D of WIFI module are wirelessly connected.
1 location of monitoring sensor for being distributed in 2 periphery of controlling terminal is additionally provided with solar energy and/or wind energy is transported to
The confession that the power end of electric installation, the monitoring sensor 1 and II D of WIFI module are transported to electric installation with solar energy and/or wind energy is matched
The output end of electric installation 53 connects.
2 location of controlling terminal is additionally provided with the data storage B being attached thereto, and the data storage B is used for
Storage monitoring sensor 1 is transmitted to the monitoring data of controlling terminal 2.
Utility model works principle and the course of work:
The utility model is by integrating mature monitoring sensor, controlling terminal, monitoring center and sound in the prior art
Light warning device, use cost is low, relativity of information is big, deployment and maintenance cost are low mobile communication and broad covered area resist
Strong, the highly reliable big-dipper satellite short message two-way communication technology of interference performance combines, and improves the peace of overall data transmission
Full property and reliability reduce monitoring human cost suitable for real-time effective monitoring of remote mountain areas or the area of bad environments
Difficulty is reconnoitred with monitoring；Acoustic-optic alarm in the prior art is set in the monitoring where controlling terminal, by can be double
To the mobile network of transmission and the two-way short message of big-dipper satellite, transmit potential catastrophe body the deformation information of time-space domain and induce because
Plain monitoring data, information monitoring center is automatic or manual to be differentiated the monitoring data uploaded and returns alarm signal, controlling terminal root
It is alarmed in a manner of short message, sound etc. nearby according to received alarm signal driving acoustic-optic alarm on detection ground, improves geology
Disaster monitoring keeps away calamity, the ability of mitigation.Further, setting scene is transported to electric installation as backup power source, can power
It under the emergency cases such as accident or is difficult to access the monitoring place of alternating current and is powered to monitoring terminal, improve monitoring terminal can
By property and adaptability.Further, monitoring sensor intersperses among around controlling terminal location, and each sensor that monitors passes through WIFI
The WIFI module I of module II and controlling terminal location, is transmitted after monitoring data are summarized to controlling terminal, can improve
The range of monitoring, and monitoring terminal can be effectively reduced and possess cost and use cost.Further, in controlling terminal location
The data storage connecting with controlling terminal is set, can be led in mobile communication and Big Dipper short message due to interference or other factors
Buffering is formed when cause can not communicate, and buffered data is issued in time when to be communicated normal, improves whole reliability.To sum up institute
It states, the utility model has the characteristics that strong wide coverage, timeliness, reliability and high degree of automation.
The monitoring sensor 1 in controlling terminal location reads monitoring numerical value by setting time and is directly transmitted to controlling terminal 2,
And the monitoring sensor 1 for being set to controlling terminal location periphery reads monitoring numerical value by setting time and passes through WIFI module II
D and I C of WIFI module in controlling terminal location are wirelessly connected, and monitoring numerical value are transmitted to controlling terminal 2, the detection of controlling terminal 2 moves
Whether the communication of dynamic communication module I 3 and Big Dipper short message module I 4 is normal, preferential by channel selecting module A if all normal
Monitoring numerical value is sent to the mobile communication module II 6 at remote control center through mobile base station by universal mobile communications module I 3, if
Mobile communication module I 3 communicated with mobile base station it is abnormal, then by Big Dipper short message module I 4 through big-dipper satellite by monitoring numerical value
The Big Dipper short message module II 7 at remote control center is sent to, if mobile communication module I 3 and Big Dipper short message module I 4 is logical
Letter is all abnormal, then monitoring numerical value is temporarily stored in data storage B, the normal rear prison read in data storage B to be communicated
It surveys numerical value and sends the monitoring center 8 of distal end to.The monitoring host computer 81 of monitoring center 8 receives mobile communication module II 6 and Beidou
The data of short message module II 7 are simultaneously analyzed, and the data received and analysis result are stored in memory 82, analysis is worked as
After when reaching geo-hazard early-warning rank, issue warning information on the internet by interchanger 83 or sent to relevant departments pre-
Alert information, or alarm signal is assigned to the controlling terminal 2 on corresponding monitoring ground by communication module II 6, Big Dipper short message module II 7
Number, while the high-pitched speaker of the acoustic-optic alarm 9 of 8 place control room of monitoring center and/or warning lamp being driven to alarm, it controls
Terminal 2 drives the high-pitched speaker of acoustic-optic alarm 9 and/or warning lamp to alarm after receiving alarm signal.
Claims (10)
1. a kind of geological disaster monitors acoustooptic alarm system automatically, it is characterised in that including monitoring sensor (1), controlling terminal
(2), mobile communication module I (3), Big Dipper short message module I (4), power supply device (5), mobile communication module II (6), Beidou are short
Message module II (7), monitoring center (8), acoustic-optic alarm (9), the monitoring sensor (1) be set to geology monitoring point and
Signal output end is connect with the signal acquisition terminal of controlling terminal (2), the information output of the controlling terminal (2) respectively with movement
The information input terminal connection of communication module I (3), Big Dipper short message module I (4), the controlling terminal (2), mobile communication module I
(3), the power end of Big Dipper short message module I (4) and acoustic-optic alarm (9) is connect with the output end of power supply device (5) respectively,
The mobile communication module I (3) is connect through mobile network with mobile communication module II (6) by mobile base station, and the Beidou is short
Message module I (4) is connect by big-dipper satellite with Big Dipper short message module II (7), the mobile communication module II (6) and Beidou
Short message module II (7) is connect with monitoring center (8) signal respectively, and the monitoring center (8) is for receiving monitoring data and dividing
Alarm signal, signal input part and controlling terminal (2) of the acoustic-optic alarm (9) are assigned to controlling terminal (2) after analysis
The connection of alarm signal end.
2. geological disaster monitors acoustooptic alarm system automatically according to claim 1, it is characterised in that the power supply device (5)
Including main power source and/or backup power source, the backup power source is that solar energy and/or wind energy are transported to electric installation, the backup power source
Including wind electricity generating system and/or device of solar generating (51), battery (52), power supply and distribution device (53), the monitoring is passed
Sensor (1), controlling terminal (2), mobile communication module I (3), Big Dipper short message module I (4) and acoustic-optic alarm (9) electricity
Source is connect with the output end of power supply and distribution device (53) respectively.
3. geological disaster according to claim 1 or claim 2 monitors acoustooptic alarm system automatically, it is characterised in that the monitoring sensing
Device (1) includes one of GNSS receiver, type vibration wire slit gauge, multipoint displacement meter, osmometer, precipitation rain fall sensor or any group
It closes, the mobile communication module I (3) and mobile communication module II (6) are one in GSM, GPRS, UMTS, 4G, 5G, NB-IoT
Kind.
4. geological disaster monitors acoustooptic alarm system automatically according to claim 3, it is characterised in that the controlling terminal (2)
Channel selecting module (A), the controlling terminal are provided between mobile communication module I (3), Big Dipper short message module I (4)
(2) information output is connect with the input terminal of channel selecting module (A), the output end difference of the channel selecting module (A)
It is connect with the input terminal of mobile communication module I (3), Big Dipper short message module I (4).
5. geological disaster monitors acoustooptic alarm system automatically according to claim 4, it is characterised in that the monitoring center (8)
Including monitoring host computer (81), memory (82), interchanger (83), the mobile communication module II (6) and Big Dipper short message module
II (7) are connect with the communication port of monitoring host computer (81) respectively, the data port of the memory (82) and monitoring host computer (81)
Connection, the interchanger (83) connect with the network port of monitoring host computer (81).
6. geological disaster monitors acoustooptic alarm system automatically according to claim 5, it is characterised in that the monitoring host computer
(81) input warning message is connect with intelligent terminal by mobile communication module II (6), the monitoring host computer (81) passes through exchange
Machine (83) carries out the publication of Web network alert information, and the monitoring center (8) is also equipped with the acousto-optic of alarm signal end connection therewith
Warning device (9).
7. geological disaster monitors acoustooptic alarm system automatically according to claim 3, it is characterised in that the monitoring sensor
(1) it is set to controlling terminal (2) location and/or is distributed in controlling terminal (2) periphery, it is described to be set to controlling terminal (2) institute
Ground monitoring sensor (1) signal output end directly with the signal acquisition terminal wired connection and power end of controlling terminal (2)
It is connect with the output end of power supply device (5).
8. geological disaster monitors acoustooptic alarm system automatically according to claim 7, it is characterised in that further include being set to control
The WIFI module I (C) in terminal (2) location processed and monitoring sensor (1) location for being distributed in controlling terminal (2) periphery
WIFI module II (D), the signal end of the WIFI module I (C) and the signal acquisition terminal wired connection of controlling terminal (2), it is described
The wired company of signal input part of the signal end of WIFI module II (D) and the monitoring sensor (1) for being distributed in controlling terminal (2) periphery
It connects, the WIFI module I (C) and WIFI module II (D) are wirelessly connected.
9. geological disaster monitors acoustooptic alarm system automatically according to claim 7, it is characterised in that described to be distributed in control
Monitoring sensor (1) location on terminal (2) periphery is additionally provided with solar energy and/or wind energy is transported to electric installation, and the monitoring passes
Sensor (1) and the power end of WIFI module II (D) and solar energy and/or wind energy are transported to the defeated of the power supply and distribution device (53) of electric installation
Outlet connection.
10. geological disaster monitors acoustooptic alarm system automatically according to claim 3, it is characterised in that the controlling terminal
(2) location is additionally provided with the data storage (B) being attached thereto, and the data storage (B) is for storing monitoring sensor
(1) monitoring data of controlling terminal (2) are transmitted to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821398206.4U CN208722386U (en) | 2018-08-29 | 2018-08-29 | A sound and light alarm system for automatic monitoring of geological disasters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821398206.4U CN208722386U (en) | 2018-08-29 | 2018-08-29 | A sound and light alarm system for automatic monitoring of geological disasters |
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| Publication Number | Publication Date |
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| CN208722386U true CN208722386U (en) | 2019-04-09 |
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| CN201821398206.4U Expired - Fee Related CN208722386U (en) | 2018-08-29 | 2018-08-29 | A sound and light alarm system for automatic monitoring of geological disasters |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110443981A (en) * | 2019-09-11 | 2019-11-12 | 王梓任 | The urgent mobile Internet of things system of earthquake pre-warning speed report |
| CN111505990A (en) * | 2020-04-24 | 2020-08-07 | 北京家梦科技有限公司 | Railway geological disaster prevention safety monitoring system and method |
| CN112085922A (en) * | 2020-09-01 | 2020-12-15 | 东莞理工学院 | Intelligent early warning and monitoring method for earthquake damage of building |
| CN113112759A (en) * | 2021-04-14 | 2021-07-13 | 浙江智谱工程技术有限公司 | Beidou-based geological disaster monitoring Beidou early warning and alarming system and method |
| WO2022016957A1 (en) * | 2020-07-21 | 2022-01-27 | 南京驭逡通信科技有限公司 | Positioning device of communication equipment and positioning method therefor |
-
2018
- 2018-08-29 CN CN201821398206.4U patent/CN208722386U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110443981A (en) * | 2019-09-11 | 2019-11-12 | 王梓任 | The urgent mobile Internet of things system of earthquake pre-warning speed report |
| CN111505990A (en) * | 2020-04-24 | 2020-08-07 | 北京家梦科技有限公司 | Railway geological disaster prevention safety monitoring system and method |
| WO2022016957A1 (en) * | 2020-07-21 | 2022-01-27 | 南京驭逡通信科技有限公司 | Positioning device of communication equipment and positioning method therefor |
| CN112085922A (en) * | 2020-09-01 | 2020-12-15 | 东莞理工学院 | Intelligent early warning and monitoring method for earthquake damage of building |
| CN113112759A (en) * | 2021-04-14 | 2021-07-13 | 浙江智谱工程技术有限公司 | Beidou-based geological disaster monitoring Beidou early warning and alarming system and method |
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Granted publication date: 20190409 |