CN108665660B - Grain anti-theft system and working method thereof - Google Patents
Grain anti-theft system and working method thereof Download PDFInfo
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- CN108665660B CN108665660B CN201810743808.7A CN201810743808A CN108665660B CN 108665660 B CN108665660 B CN 108665660B CN 201810743808 A CN201810743808 A CN 201810743808A CN 108665660 B CN108665660 B CN 108665660B
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- 238000000034 method Methods 0.000 title claims description 9
- 238000004891 communication Methods 0.000 claims abstract description 78
- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 230000001133 acceleration Effects 0.000 claims abstract description 23
- 238000005516 engineering process Methods 0.000 claims abstract description 7
- 230000001960 triggered effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 15
- 230000035945 sensitivity Effects 0.000 abstract description 9
- 230000001965 increasing effect Effects 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 230000004044 response Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
- G08B13/1436—Mechanical actuation by lifting or attempted removal of hand-portable articles with motion detection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
- G08B13/1472—Mechanical actuation by lifting or attempted removal of hand-portable articles with force or weight detection
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a grain anti-theft system, which comprises a monitoring center and terminal equipment, wherein the monitoring center is connected with the terminal equipment; an acceleration sensor and a pressure sensor are arranged in the terminal equipment, so that synchronous displacement with grains moving around due to theft is realized through a transparent and smooth outer surface, and the monitoring sensitivity is effectively improved; the signal enhancement antenna is embedded in the protective shell, so that the communication capability between the second communication module and the communication base station is enhanced, the anti-theft scene coverage capability is improved, and the situation that the power consumption is increased due to frequent signal searching caused by unstable quotation marks of terminal equipment is avoided; meanwhile, the embedded antenna cannot influence the rolling performance of the spherical protective shell, so that the monitoring sensitivity is ensured; the terminal equipment of the grain anti-theft system can be arranged by being embedded into grains, so that the grain anti-theft system is convenient to arrange, and large-area coverage and lower communication cost are realized by utilizing an NB-IoT technology.
Description
Technical Field
The invention relates to the technical field of theft prevention, in particular to a grain theft prevention system and a working method thereof.
Background
As a large country for agricultural production and consumption, the grain yield in China is huge, and a considerable part of the grain is stored except for the part of the grain which is used for production and living. A large amount of grains are stored in a warehouse in a concentrated manner, so that the problems of the preservation environment such as dampproof and mildew proof are solved, and illegal molecules are prevented from stealing the grains.
The traditional anti-theft method is to arrange the monitoring cameras in the warehouse, and has the defects that the monitoring range of the monitoring cameras is limited and dead angles exist, the equipment cost is obviously increased by increasing the number of the monitoring cameras, and the difficulty of maintenance is also greatly increased. Therefore, it is necessary to invent a grain anti-theft system which has wide coverage, convenient arrangement and low running cost.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides the grain anti-theft system which is wide in coverage, convenient to arrange and low in running cost.
The technical scheme is as follows: in order to achieve the above purpose, the grain anti-theft system of the invention comprises a monitoring center and terminal equipment; the terminal equipment is buried in the stored grain pile; the terminal equipment comprises an acceleration sensor and a pressure sensor; the signal output ends of the acceleration sensor and the pressure sensor are in communication connection with the signal input end of the monitoring center.
Further, the monitoring center comprises a first processor, a display device and a first communication module; the terminal equipment comprises an acceleration sensor, a pressure sensor, a second processor and a second communication module; the first processor is in communication connection with the display device and the first communication module; the second processor is in communication connection with the acceleration sensor, the pressure sensor and the second communication module; the first communication module is in communication connection with the second communication module.
Further, the terminal device further comprises a protective shell and a signal enhancement antenna; the signal enhancement antenna is connected with the signal output end of the second communication module; the signal enhancement antenna is embedded on the surface of the protective shell.
Further, the protective housing is made of transparent plastic materials, and the outer surface is polished smooth.
Further, the protective shell is spherical; the surface of the protective shell is provided with an induction plane; the pressure sensor is attached to the sensing plane.
Further, the protective shell is cake-shaped; the signal enhancement antenna is arranged at the edge of the end face of the protective shell in an annular manner; the pressure sensor is attached to the center of the end face of the protective shell.
Further, the terminal device further comprises a buzzer; the second processor is in control connection with the buzzer.
A working method of a grain anti-theft system is characterized in that: comprises the steps of,
embedding terminal equipment into stored grains;
step two, when someone steals grains nearby the terminal equipment, the terminal equipment moves along with the sliding of the grains, and the acceleration sensor transmits alarm information to the second processor after detecting the movement; meanwhile, the pressure sensor detects that the pressure value applied by the surrounding grains changes and also transmits alarm information to the second processor;
step three, the second processor transmits the alarm information to the communication base station through the second communication module;
step four, the communication base station transfers the alarm information to the first processor through the first communication module;
and fifthly, the first processor transmits the information to the display equipment, and related staff can arrive at the site to check according to the position provided by the alarm information.
The beneficial effects are that: the invention relates to a grain anti-theft system, which comprises a monitoring center and terminal equipment; the terminal equipment is buried in the stored grain pile; the terminal equipment comprises an acceleration sensor and a pressure sensor; the signal output ends of the acceleration sensor and the pressure sensor are in communication connection with the signal input end of the monitoring center; an acceleration sensor and a pressure sensor are arranged in the terminal equipment, so that synchronous displacement with grains moving around due to theft is realized through a transparent and smooth outer surface, and the monitoring sensitivity is effectively improved; the signal enhancement antenna is embedded in the protective shell, so that the communication capability between the second communication module and the communication base station is enhanced, the anti-theft scene coverage capability is improved, and the situation that the power consumption is increased due to frequent signal searching caused by unstable quotation marks of terminal equipment is avoided; meanwhile, the embedded antenna cannot influence the rolling performance of the spherical protective shell, so that the monitoring sensitivity is ensured; the terminal equipment of the grain anti-theft system can be arranged by being embedded into grains, so that the grain anti-theft system is convenient to arrange, and large-area coverage and lower communication cost are realized by utilizing an NB-IoT technology.
Drawings
FIG. 1 is a diagram of the whole structure of a grain anti-theft system;
FIG. 2 is a schematic structural view of a spherical protective shell;
fig. 3 is a schematic diagram of a cake-shaped protective shell.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
A grain anti-theft system, as shown in figure 1, comprises a monitoring center 1 and a terminal device 2; the monitoring center 1 comprises a first processor 11, a display device 12 and a first communication module 13; the terminal device 2 comprises a sensor 21, a second processor 22 and a second communication module 23; the first processor 11 is in communication connection with the display device 12 and the first communication module 13; the second processor 22 is in communication connection with the sensor 21 and the second communication module 23; the first communication module 13 and the second communication module 23 are respectively in communication connection with the communication base station 3; when the anti-theft system is arranged, a plurality of terminal devices 2 are respectively embedded into different grain storage containers, and a monitoring center 1 is arranged at the place of a person on duty;
the sensor 21 includes an acceleration sensor 111 and a pressure sensor 112; since the terminal device 2 is buried inside the grain, the acceleration sensor 111 functions as: when the grain is transferred by a thief, the grain can slide, the terminal equipment 2 also moves along with the grain, and the acceleration sensor 111 sends out alarm information after detecting that the equipment moves; while the pressure sensor 112 functions as: the grains accumulated around the terminal equipment 2 can apply a fixed pressure to the pressure sensor 112, and when the grains above the terminal equipment 2 are moved, the pressure sensor 112 detects that the received pressure value changes, and alarm information can be sent out; the two sensors are used together to effectively improve the sensitivity of anti-theft monitoring, and the two sensors can also improve the reliability of monitoring through mutual calibration;
the first processor 11 and the second processor 22 may be STM32F103RCT6 chips, and the acceleration sensor 111 may be an MPU6050 sensor having a triaxial gravitational acceleration and a triaxial gyroscope; the pressure sensor 112 can be an Arduino FSR406 chip; the first communication module 13 and the second communication module 23 specifically adopt a SIM7020 NB-IoT communication module of SIMCOM company; the display device 12 may be a conventional LCD display selected from the market, and will not be described in detail herein.
The reason why the NB-IoT technology is used for the communication connection between the terminal device 2 and the monitoring center 1 is that: (1) The NB-IoT technology is based on the existing operator base station, does not need to additionally arrange a gateway, has a wide coverage area, and is very suitable for large-area working occasions such as granary anti-theft monitoring; (2) The NB-IoT communication power consumption is very low, and is suitable for the low-frequency communication scene of an anti-theft system, so that the battery in the terminal equipment 2 can be ensured to continuously work for a plurality of years without replacement, and the communication cost can be controlled at a lower level; when the sensor 21 is not triggered, the second processor 22 is in a low-power consumption standby state, the terminal device 2 reports to the monitoring center once at intervals, and when the sensor 21 is triggered, the terminal device 2 can report alarm information immediately; the concrete reporting process is as follows: when the sensor 21 is triggered by grain theft, corresponding alarm information is transmitted to the second processor 22, and then sequentially transmitted to the first processor 11 after passing through the second communication module 23, the communication base station 3 and the first communication module 13, and finally presented on the display device 12, so that an operator on duty can timely find out abnormality; in addition, if grain has been stolen from the grain bin, personnel can also utilize NB-IoT technology to locate the monitoring devices through the communication base station for continuous tracking.
The terminal device 2 further comprises a buzzer 24; the second processor 22 is in control connection with the buzzer 24, the buzzer 24 is particularly suitable for the condition that the distance between the operator and the person on duty is not far, at the moment, after the sensor 21 is triggered by the theft action, the second processor 22 receives an alarm signal to control the buzzer 24 to give out alarm sound, so that the alarm device not only can frighten the person on duty, but also can facilitate the operator on duty to quickly locate and arrive at the site according to the sound, and the response is quicker without the help of the display device 12; when the monitored granary area of the anti-theft system is larger and the distance between the person on duty is longer, the buzzer can be selectively forbidden to work so as to prevent theft from smelling sound to escape after the theft occurs, and the person on duty can not arrive at the scene;
the terminal device 2 further comprises a protective shell 4; the second processor 22, the second communication module 23 and the acceleration sensor 111 are fixedly arranged in the protective shell 4; the pressure sensor 112 is arranged on the surface of the protective shell 4 in a fitting way; the protective shell 4 is made of transparent plastic materials, so that workers can conveniently observe the internal structure during arrangement and periodic maintenance, and the situation that the pressure sensor and other parts possibly fall off is rapidly checked without disassembly; the outer surface of the protective shell 4 is polished smoothly, so that the friction force born by the movement of the protective shell in grains can be further reduced, terminal equipment can move synchronously along the sliding of the grains, and the sensitivity of the protective shell to the movement monitoring of the grains around is effectively improved;
as shown in fig. 2, the protective shell 4 is formed by assembling two parts of shells, and is fixedly connected through threads, and the rubber ring 42 is further wound around the periphery of the connecting part, so that the connecting part can be kept well sealed, the waterproof and dustproof effects are achieved, fine dust in grains can be prevented from entering the protective shell 4, moisture in air can be prevented from entering the protective shell 4 when the monitoring equipment is not used, the terminal equipment is guaranteed to have an optimal working environment, the service life is effectively prolonged, and the maintenance and replacement cost is reduced; in addition, the protective housing 4 is made into the sphere that does benefit to rolling together with grain, can show the sensitivity of reinforcing acceleration sensor, and protective housing 4 surface is provided with a plurality of response planes 41 simultaneously, and pressure sensor 112 corresponds to hugs closely the setting at the response plane 41 surface, sets up the reason of response plane 13 and lies in: the plane is easier to be matched with the pressure sensor patch than the spherical curved surface, so that the pressure detection accuracy is improved; if the protective shell 4 is made into a cake shape, a larger end face can be provided for arranging the pressure sensor 112, so that the sensitivity of pressure monitoring is improved; in specific use, the terminal equipment can be applied to different conditions according to different appearance of the protective shell, for example, the spherical terminal equipment can be buried in a shallow grain pile, and when the theft is carried out from the uppermost layer of the grain, the movement of the surface grain can be sensed as soon as possible, so that an alarm is sent out; the round cake-shaped terminal equipment can be buried in a deeper position relatively, and the weight change condition of grains above the equipment can be accurately sensed through a larger detection surface of the pressure sensor; meanwhile, the acceleration sensor in the terminal equipment can monitor the whole carrying type theft and other actions, so that the grain safety is comprehensively protected.
The terminal device 2 further comprises a signal enhancing antenna 26; one end of the signal enhancement antenna 26 is connected with the second communication module 23, and the other end of the signal enhancement antenna is fixedly bonded in a wire slot 27 embedded in the surface of the protective shell; the enhanced antenna 26 can enhance the communication capability between the second communication module 23 and the communication base station 3, thereby improving the scene coverage capability of the anti-theft monitoring device and avoiding the situation that the terminal device frequently searches signals due to unstable quotation marks to cause increased power consumption; meanwhile, the embedded antenna cannot influence the rolling performance of the spherical protective shell, and the monitoring sensitivity is ensured.
A working method of a grain anti-theft system is characterized in that: comprises the steps of,
embedding the terminal equipment 2 into stored grains;
step two, when someone steals grains near the terminal device 2, the terminal device 2 moves along with the sliding of the grains, and the acceleration sensor 111 transmits alarm information to the second processor 22 after detecting the movement; at the same time, the pressure sensor 112 detects that the pressure value applied by the surrounding grains changes, and also transmits alarm information to the second processor 22;
step three, the second processor 22 transmits the alarm information to the communication base station 3 through the second communication module 23;
step four, the communication base station 3 transfers the alarm information to the first processor 11 through the first communication module 13;
step five, the first processor 11 then transmits the information to the display device 12, and the relevant staff member goes to the site to check according to the position provided by the alarm information.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (5)
1. A grain anti-theft system, characterized in that: comprises a monitoring center (1) and a terminal device (2); the terminal equipment (2) is buried in the stored grain pile; the terminal device (2) comprises an acceleration sensor (111) and a pressure sensor (112); the signal output ends of the acceleration sensor (111) and the pressure sensor (112) are in communication connection with the signal input end of the monitoring center (1);
the spherical terminal equipment (2) is buried in the shallow grain pile; the round cake-shaped terminal equipment (2) is buried in a deeper position;
the working method of the system comprises the following steps: step one, burying a terminal device (2) into stored grains;
step two, when someone steals grains nearby the terminal equipment (2), the terminal equipment (2) moves along with the sliding of the grains, and the acceleration sensor (111) transmits alarm information to the second processor (22) after detecting the movement; meanwhile, the pressure sensor (112) detects that the pressure value applied by the surrounding grains changes and also transmits alarm information to the second processor (22);
step three, the second processor (22) transmits alarm information to the communication base station (3) through the second communication module (23);
step four, the communication base station (3) transfers the alarm information to the first processor (11) through the first communication module (13);
step five, the first processor (11) transmits information to the display equipment (12) immediately, and relevant staff can go to the site for checking according to the position provided by the alarm information; the protective shell is provided with a signal enhancement antenna, and the signal enhancement antenna is arranged at the edge of the end face of the protective shell (4) in an annular manner; the communication capacity between the second communication module and the communication base station is enhanced;
the terminal equipment (2) and the monitoring center (1) are in communication connection by adopting an NB-IoT technology, and the battery in the terminal equipment (2) can be continuously operated for a plurality of years without replacement, so that the communication cost can be controlled at a lower level; when the sensor (21) is not triggered, the second processor (22) is in a low-power consumption standby state, the terminal equipment (2) reports to the monitoring center once at intervals, and when the sensor (21) is triggered, the terminal equipment (2) can report alarm information at once;
the concrete reporting process is as follows: when the sensor (21) is triggered by grain theft, corresponding alarm information is transmitted to the second processor (22), and then sequentially transmitted to the first processor (11) through the second communication module (23), the communication base station (3) and the first communication module (13), and finally presented on the display device (12), and the monitoring device can be positioned through the communication base station by utilizing the NB-IoT technology, so that continuous tracking is performed.
2. The grain anti-theft system according to claim 1, wherein: the monitoring center (1) comprises a first processor (11), a display device (12) and a first communication module (13); the terminal device (2) comprises an acceleration sensor (111), a pressure sensor (112), a second processor (22) and a second communication module (23); the first processor (11) is in communication connection with the display device (12) and the first communication module (13); the second processor (22) is in communication connection with the acceleration sensor (111), the pressure sensor (112) and the second communication module (23); the first communication module (13) is in communication connection with the second communication module (23).
3. The grain anti-theft system according to claim 2, wherein: the terminal equipment (2) further comprises a protective shell (4) and a signal enhancement antenna (26); the signal enhancement antenna (26) is connected with the signal output end of the second communication module (23); the signal enhancement antenna (26) is embedded on the surface of the protective shell (4).
4. A grain anti-theft system according to claim 3, wherein: the protective housing (4) is made by transparent plastic material, and the surface is polished smooth.
5. The grain anti-theft system according to claim 4, wherein: the terminal equipment (2) further comprises a buzzer (24); the second processor (22) is in control connection with the buzzer (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810743808.7A CN108665660B (en) | 2018-07-09 | 2018-07-09 | Grain anti-theft system and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810743808.7A CN108665660B (en) | 2018-07-09 | 2018-07-09 | Grain anti-theft system and working method thereof |
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| CN108665660A CN108665660A (en) | 2018-10-16 |
| CN108665660B true CN108665660B (en) | 2023-11-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109448309B (en) * | 2018-12-10 | 2020-10-16 | 江苏科技大学 | Supervision unit with indicator light and implementation method thereof |
| CN109579912B (en) * | 2018-12-10 | 2020-07-28 | 南京科达新控仪表有限公司 | Monitoring unit and implementation method thereof |
| CN109816930B (en) * | 2018-12-10 | 2020-12-15 | 江苏科技大学 | Temperature and humidity monitoring unit and implementation method thereof |
| CN109523725B (en) * | 2018-12-10 | 2020-10-16 | 江苏科技大学 | Monitoring unit with indicator lamp guide and implementation method thereof |
| CN109596171B (en) * | 2018-12-10 | 2020-07-28 | 南京科达新控仪表有限公司 | Temperature and humidity monitoring unit and implementation method thereof |
| CN109658661B (en) * | 2018-12-10 | 2020-10-16 | 江苏科技大学 | Monitoring system and implementation method thereof |
| CN109669426B (en) * | 2018-12-10 | 2021-10-26 | 江苏科技大学 | Intelligent monitoring unit and implementation method thereof |
| CN109556742B (en) * | 2018-12-10 | 2020-06-23 | 江苏科技大学 | Anti-theft warm and wet unit and implementation method thereof |
| CN109696935B (en) * | 2018-12-10 | 2020-09-29 | 江苏科技大学 | Management system with turnover quality evaluation function and implementation method thereof |
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| US4772878A (en) * | 1987-05-06 | 1988-09-20 | Kane Roger A | Merchandise theft deterrent sensor |
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| CN108665660A (en) | 2018-10-16 |
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