CN103854401A - Anti-theft method and device for aluminum ingot stock dump - Google Patents
Anti-theft method and device for aluminum ingot stock dump Download PDFInfo
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- CN103854401A CN103854401A CN201210511929.1A CN201210511929A CN103854401A CN 103854401 A CN103854401 A CN 103854401A CN 201210511929 A CN201210511929 A CN 201210511929A CN 103854401 A CN103854401 A CN 103854401A
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Abstract
The invention discloses an anti-theft method and device for an aluminum ingot stock dump. The method includes the steps that a bounding wall and a front door of the aluminum ingot stock dump are divided into multiple monitoring areas, and infrared sensors are installed on the monitoring areas respectively and connected with a single chip microcomputer control unit arranged on a entrance guard; when the infrared sensor of one area meet a triggering condition, the single chip microcomputer control unit displays the area meeting the triggering condition through a sound-light alarm device. An area watch man is instructed to rapidly arrive at the area where the condition happens according to the alarm, so that occurrence of theft accidents is reduced. Continuous monitoring can be performed on all the areas within a monitoring time period without dead angles and time intervals. The theft accidents can be prevented from occurring at the interval or time difference of watch man patrolling. The number of times of watch man patrolling can be approximately reduced, and labor intensity of the watch man can be relieved. The method is easy to implement, and the device is high in automation degree, simple in structure, low in manufacturing cost, high in practicability and high in reliability.
Description
Technical field
the present invention relates to a kind of aluminium ingot stockyard theft preventing method and device, belong to anti-thefting monitoring technical field.
Background technology
in the aluminium ingot stockyard of electrolytic aluminium factory, stacking a large amount of aluminium ingots, therefore, the antitheft of stockyard is the major tasks of security always.The safeguarding work in aluminium ingot stockyard is mainly to adopt Security Personnel on duty at present, and generally daytime, people was more, and visibility is also larger, not too easily steals.But to evening, visibility reduces greatly, even if there is illumination, still there are a lot of dead angles not observe, for security work has brought difficulty.
stolen in order to prevent night aluminium ingot, increased at present illumination and the duty personnel in stockyard, except entrance guard needs staff on duty, also increased patrol personnel, but because stockyard scope is larger simultaneously, or time have theft to occur.Anti-theft effect is not good.
Summary of the invention
the object of the invention is to, a kind of aluminium ingot stockyard theft preventing method and device are provided.Adopt the combination of infrared detection technology and single-chip microcomputer control technology to realize the robotization warning function in stockyard, to strengthen the security work in aluminium ingot stockyard, overcome the deficiencies in the prior art.
technical scheme of the present invention:
a kind of aluminium ingot stockyard theft preventing method, the method is that the enclosure wall in aluminium ingot stockyard and gate are divided into multiple guarded regions, respectively at each guarded region installation infrared sensor, and all infrared sensors is connected with the Single-chip Controlling unit that is located at entrance guard; When the infrared sensor in certain region meets after trigger condition, Single-chip Controlling unit shows the region that meets trigger condition by acoustic-optic alarm, so that duty personnel patrols to this region in time.
in preceding method, described Single-chip Controlling unit is by the working time section of optical sensor control single chip computer control module.
in preceding method, described trigger condition is in the working time of Single-chip Controlling unit section, and when there being moving target to pass through after the light beam of infrared sensor, infrared sensor and optical sensor are exported high level simultaneously.
in preceding method, described Single-chip Controlling unit by man-machine interaction unit realize to Single-chip Controlling unit report to the police the duration or stop report to the police and reset arrange and display setting value.
in preceding method, described acoustic-optic alarm informs that by sound there is something special, shows by the light of zones of different the region that a situation arises.
press the device that preceding method forms, comprise Single-chip Controlling unit, sensor unit and alarm unit, sensor unit is connected with the monitor signal input end of Single-chip Controlling unit through expansion I/O interface; The output terminal of Single-chip Controlling unit is connected with alarm unit through expansion I/O interface.
in aforementioned means, described sensor unit comprises one group of infrared sensor; Described alarm unit comprises alarm bell alarm, voice module and one group of visual alarm.
in aforementioned means, described infrared sensor is diffuse type infrared sensor.
in aforementioned means, the input end of described Single-chip Controlling unit is connected with photoresistance unit; Photoresistance unit comprises photoresistance, photoresistance is connected to both ends of power after connecting with energy consumption resistance, the voltage at photoresistance two ends is connected with voltage comparator input end, another input end of voltage comparator is connected with reference voltage, and the output terminal of voltage comparator is connected with the input end of Single-chip Controlling unit.
in aforementioned means, described Single-chip Controlling unit is connected with man-machine interaction unit is two-way; Man-machine interaction unit comprises keyboard and LED liquid crystal display.
compared with prior art, the present invention adopts the combination of infrared detection technology and single-chip microcomputer control technology to realize the robotization warning function in stockyard.The present invention has realized daytime by photoresistance unit and has not reported to the police, the function that report to the police evening, the present invention carries out gamut monitoring by the infrared sensor that is arranged on stockyard zones of different to stockyard, in the time having moving target to pass through infrared sensor light beam, voice guard is sounded and is reminded duty personnel that there is something special, visual alarm is indicated the region that a situation arises, so that duty personnel patrols to this region in time.Owing to having adopted after method and apparatus of the present invention, the one, according to the warning indicating area duty personnel region of can arriving in rapidly that a situation arises, there is certain deterrent effect, reduce the generation of theft accident.The 2nd, can in storage and monitoring time segment, accomplish the continuous monitoring without the time interval without dead angle to All Ranges, can prevent the interval of patrolling duty personnel or theft accident occurred in the mistiming.The 3rd, can suitably reduce duty personnel's inspection number of times, alleviate duty personnel's labour intensity.Method of the present invention easily realizes, and plant automation degree of the present invention is high, simple in structure, and cost of manufacture is low, practical, reliability is high.
Accompanying drawing explanation
fig. 1 is structural representation of the present invention;
fig. 2 is the layout schematic diagram of infrared sensor in the present invention;
fig. 3 is the present invention's trigger condition schematic diagram of reporting to the police;
fig. 4 is the theory diagram of photoresistance unit in the present invention;
fig. 5 is workflow diagram of the present invention.
Embodiment
below in conjunction with accompanying drawing, the present invention is described in further detail, but not as any limitation of the invention.
a kind of aluminium ingot stockyard theft preventing method, as shown in Figure 2, the method is that the enclosure wall in aluminium ingot stockyard and gate are divided into 12 guarded regions, respectively at each guarded region installation infrared sensor, and all infrared sensors is connected with the Single-chip Controlling unit that is located at entrance guard; When the infrared sensor in certain region meets after trigger condition, Single-chip Controlling unit shows the region that meets trigger condition by acoustic-optic alarm, so that duty personnel patrols to this region in time.Light warning device informs that by sound there is something special, shows by the light of zones of different the region that a situation arises.Single-chip Controlling unit is by the working time section of optical sensor control single chip computer control module.Described trigger condition is in the working time of Single-chip Controlling unit section, and when there being moving target to pass through after the light beam of infrared sensor, infrared sensor and optical sensor are exported high level simultaneously.Single-chip Controlling unit by man-machine interaction unit realize to Single-chip Controlling unit report to the police the duration or stop report to the police and reset arrange and display setting value.
press the device that preceding method forms, as shown in Figure 1, comprise Single-chip Controlling unit, sensor unit and alarm unit, sensor unit is connected with the monitor signal input end of Single-chip Controlling unit through expansion I/O interface; The output terminal of Single-chip Controlling unit is connected with alarm unit through expansion I/O interface.Described sensor unit comprises one group of infrared sensor; Described alarm unit comprises alarm bell alarm, voice module and one group of visual alarm.Described infrared sensor is diffuse type infrared sensor.Described Single-chip Controlling unit is connected with man-machine interaction unit is two-way; Man-machine interaction unit comprises keyboard and LED liquid crystal display.The input end of described Single-chip Controlling unit is connected with photoresistance unit; Photoresistance unit as shown in Figure 4, comprise photoresistance, photoresistance is connected to both ends of power after connecting with energy consumption resistance, the voltage at photoresistance two ends is connected with voltage comparator input end, another input end of voltage comparator is connected with reference voltage, and the output terminal of voltage comparator is connected with the input end of Single-chip Controlling unit.
fig. 3 is the present invention's trigger condition schematic diagram of reporting to the police, and as seen from Figure 3, single-chip microcomputer receives the output signal of infrared sensor and photoresistance unit simultaneously.Photoresistance unit gathers light signal, and in the time that light intensity drops to preset value, photoresistance unit continues output high level to single-chip microcomputer, otherwise output low level is to single-chip microcomputer.While only having photoresistance unit to continue output high level, single-chip microcomputer is just monitored the output of infrared sensor, enters alert detecting state.The increasingly automated of system realized in photoresistance unit, and daytime, warning system was not worked, and evening, system entered antitheft duty automatically.Photoresistance cellular installation, in the sufficient place of duty room UV light, is convenient to accurately judge light intensity.On daytime, light is strong, and photoresistance unit is to single-chip microcomputer output low level; At dusk, light diminuendo, high level is exported to single-chip microcomputer in photoresistance unit.Infrared sensor has 12 (can suitably increase and decrease according to monitoring range), be arranged on respectively 12 (can suitably increase and decrease according to monitoring range) different monitored areas, in the time having object to cross enclosure wall or gate, can block the infrared beam of the infrared sensor in this region, at this moment sensor unit is exported high level to single-chip microcomputer, and warning system is triggered.
the course of work of the present invention and principle
as shown in Figure 5, workflow of the present invention is that, after device energising of the present invention starts, Single-chip Controlling unit enters monitoring state: daytime, bright and clear, photoresistance unit continues output low level, and system continues monitor state.At dusk time, light diminuendo, photoresistance unit continues output high level, and system starts to monitor infrared sensor output.In the time having people to cross enclosure wall or gate, the infrared sensor n of meeting occlusion area n, thereby infrared sensor n is to single-chip microcomputer output high level triggering system, system is reported to the police: the warning bell ring in duty room, LED screen display alarm region numeral n(n=1,2 ... 12), voice module carries out the alarm lamp flicker in alarm voice prompting, region n.After lasting T time of warning or keyboard are pressed stop key, system alarm finishes, and reenters monitoring state.Described warning duration T can be arranged online by the keyboard in man-machine interaction unit.
the effect of the each unit of the present invention and function declaration
1, Single-chip Controlling unit is main control unit of the present invention, Single-chip Controlling unit is using single-chip microcomputer as control core, the monitor signal of receiving sensor unit and photoresistance unit, output alarm signal drives audible alarm, light warning and the audio alert work of alarm unit.And can carry out mutual input and output with man-machine interaction unit, by operating personnel to Single-chip Controlling unit report to the police the duration or reset set.
2, sensor unit comprises 12 diffuse reflection type infrared sensors, diffuse reflection type infrared sensor has a pair of infrared signal transmitting and reception diode, the infrared signal of power valve transmitting characteristic frequency, receiving tube receives the infrared signal of this frequency, in the time that the infrared signal between two pipes is blocked, infrared sensor output high level, otherwise output low level.
3, alarm unit comprises voice guard and visual alarm, and voice guard comprises an emergency alarm bell and a voice module; Visual alarm comprises 12 alarm lamps that are arranged on respectively 12 zoness of different, and each alarm lamp is responsible for the warning in a region.As region n(n=1,2 ... 12) when infrared sensor n is triggered, the alarm lamp n in this region warning of glimmering accordingly.
4, expansion I/O interface is for the expansion of input or output interface quantity, to connect more input signal or the many control signals of output.
5, photoresistance unit is the resistor that utilizes a kind of resistance value that semi-conductive photoelectric effect is made to change with the power of incident light: incident intensity, and resistance value reduces, and a little less than incident light, resistance increases.Photoresistance unit is as the alarm threshold of system, and only in the time of photoresistance unit output high level, system is just entered the state of monitor sensor unit output.Photoresistance unit ultimate principle is as shown in Figure 4: incident intensity, and photoresistance resistance reduces, and a little less than incident light, photoresistance resistance increases.A reference voltage U is set
c
, by photoresistance terminal voltage U
g
with U
c
together input voltage comparer.In the time that light is strong, photoresistance resistance is little, U
g
little; When light dies down, photoresistance resistance increases, U
g
increase (wherein, U
g
+ U
h
=E).Work as U
g
>U
c
time, voltage comparator output high level is to single-chip microcomputer; Work as U
g
<U
c
time, voltage comparator output low level single-chip microcomputer.
6, man-machine interaction unit is made up of a 4X4 keyboard and a LED LCD screen.The setting of 4X4 keyboard feasible system parameter and the selection of systemic-function; LED LCD screen is the output of Single-chip Controlling unit, realizes the demonstration of system data.
non-elaborated part of the present invention belongs to those skilled in the art's known technology.
Claims (10)
1. an aluminium ingot stockyard theft preventing method, it is characterized in that: the method is that the enclosure wall in aluminium ingot stockyard and gate are divided into multiple guarded regions, be connected with the Single-chip Controlling unit that is located at entrance guard respectively at each guarded region installation infrared sensor, and by all infrared sensors; When the infrared sensor in certain region meets after trigger condition, Single-chip Controlling unit shows the region that meets trigger condition by acoustic-optic alarm, so that duty personnel patrols to this region in time.
2. method according to claim 1, is characterized in that: described Single-chip Controlling unit is by the working time section of optical sensor control single chip computer control module.
3. method according to claim 1, is characterized in that: described trigger condition is in the working time of Single-chip Controlling unit section, when there being moving target to pass through after the light beam of infrared sensor, infrared sensor and optical sensor are exported high level simultaneously.
4. method according to claim 1, is characterized in that: described Single-chip Controlling unit is realized and reported to the police duration or stop reporting to the police and reset and arrange and display setting value in Single-chip Controlling unit by man-machine interaction unit.
5. method according to claim 1, is characterized in that: described acoustic-optic alarm informs that by sound there is something special, shows by the light of zones of different the region that a situation arises.
6. the device forming by method described in the arbitrary claim of claim 1-5, it is characterized in that: comprise Single-chip Controlling unit, sensor unit and alarm unit, sensor unit is connected with the monitor signal input end of Single-chip Controlling unit through expansion I/O interface; The output terminal of Single-chip Controlling unit is connected with alarm unit through expansion I/O interface.
7. install according to claim 6, it is characterized in that: described sensor unit comprises one group of infrared sensor; Described alarm unit comprises alarm bell alarm, voice module and one group of visual alarm.
8. install according to claim 7, it is characterized in that: described infrared sensor is diffuse type infrared sensor.
9. install according to claim 6, it is characterized in that: the input end of described Single-chip Controlling unit is connected with photoresistance unit; Photoresistance unit comprises photoresistance, photoresistance is connected to both ends of power after connecting with energy consumption resistance, the voltage at photoresistance two ends is connected with voltage comparator input end, another input end of voltage comparator is connected with reference voltage, and the output terminal of voltage comparator is connected with the input end of Single-chip Controlling unit.
10. install according to claim 6, it is characterized in that: described Single-chip Controlling unit is connected with man-machine interaction unit is two-way; Man-machine interaction unit comprises keyboard and LED liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210511929.1A CN103854401A (en) | 2012-12-04 | 2012-12-04 | Anti-theft method and device for aluminum ingot stock dump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210511929.1A CN103854401A (en) | 2012-12-04 | 2012-12-04 | Anti-theft method and device for aluminum ingot stock dump |
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| CN103854401A true CN103854401A (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210511929.1A Pending CN103854401A (en) | 2012-12-04 | 2012-12-04 | Anti-theft method and device for aluminum ingot stock dump |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513242A (en) * | 2014-12-26 | 2016-04-20 | 吴任平 | Orchard antitheft apparatus |
| WO2016206076A1 (en) * | 2015-06-26 | 2016-12-29 | 吴鹏 | Anti-theft monitoring method and monitoring system |
| CN106781221A (en) * | 2016-12-29 | 2017-05-31 | 佛山亚图信息技术有限公司 | Warning system and method based on POE technologies |
-
2012
- 2012-12-04 CN CN201210511929.1A patent/CN103854401A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513242A (en) * | 2014-12-26 | 2016-04-20 | 吴任平 | Orchard antitheft apparatus |
| WO2016206076A1 (en) * | 2015-06-26 | 2016-12-29 | 吴鹏 | Anti-theft monitoring method and monitoring system |
| CN106781221A (en) * | 2016-12-29 | 2017-05-31 | 佛山亚图信息技术有限公司 | Warning system and method based on POE technologies |
| CN106781221B (en) * | 2016-12-29 | 2019-10-22 | 武汉泰瑞恒信科技有限公司 | Alarm system and alarm method based on POE technology |
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Application publication date: 20140611 |