KR101372895B1 - Method for agricultural plant using consumption communication devices - Google Patents

Abstract

The present invention relates to a crime prevention method for agricultural produce using communication. According to the present invention, the crime prevention method for agricultural produce using communication includes: a step (a) where a plurality of tags installed on the ground of farmland transmit wireless signals; a step (b) where an access point receives the transmitted wireless signals transmitted from the step (a); a step (c) where the access point senses the intensity change or senses the arrival time of the received wireless signals in the step (b); and a step (d) where, if the intensity of the received wireless signals in the step (c) stays below a threshold value longer than a certain period of time, or the wireless signals of which the intensity is below the threshold value are received consecutively, or if the arrival time of the wireless signals exceeds a threshold value, the access point recognizes as trespassing and generates an alarm signal to the outside. According to the present invention, it is possible to identify the exact trespassing location, significantly reduce installation and operation costs, prevent theft in advance, and provide accurate trespassing location data effectively to a manager through a link with a geographic information system (GIS). [Reference numerals] (10) Tag; (11,21) Communication module; (13) Storage battery; (20) Access point; (23) Signal processing module; (25) Control module; (27) Transceiving device; (30) Alarm device; (40) Management server; (50) User terminal; (AA) Wired/wireless communication network

Description

Crop prevention method using communication {METHOD FOR AGRICULTURAL PLANT USING CONSUMPTION COMMUNICATION DEVICES}

The present invention relates to a method for preventing crops using communication, and more particularly, it can greatly reduce installation and operating costs, and is easy to install and recover, and also provides accurate intrusion location information to an administrator. It is about crop security method.

Farmland where crops are cultivated is generally large and far from farms, making it difficult for managers to monitor all the time.In addition, facilities stored in the open air can cause intruders from all directions. There is a need to install the device so that the goods stored are not stolen.

In this regard, the Republic of Korea Patent Publication No. 2005-0013792 has a roller is rotatably fixed to the inside, the body is formed with a cover on one side; A sensing line in which the direction of movement is vertically bent in the roller of the main body and a part thereof extends downward, and the other part is horizontally installed on the fence; A weight that is fixed to an end extending below the sensing line and pulls the sensing line with a constant force; A sensing device for sensing a movement of a sensing line inside the main body; Disclosed is a 'crop crop and outdoor facility security device' including an alarm device for identifying the signal detected by the detection device from the outside,

In Korean Utility Model Publication No. 2011-0004016, it is composed of an external intrusion detector, an internal intrusion detector, an alarm, a wireless transmission and reception device, a controller, and an uninterruptible power supply device. In the case of the internal intrusion sensor is disclosed a 'crop prevention device' including a ground displacement sensor,

In the Republic of Korea Patent Publication No. 2010-0114627 is formed of a pair of copper wire, a plurality of wires are respectively installed wound around a plurality of crops or trees, connected to each of the plurality of wires, each wire is disconnected or not A plurality of repeaters for generating a theft or fire generation signal based on the plurality of repeaters, and when the theft or fire occurrence signal is generated through each of the plurality of repeaters, notifying the monitor of theft or fire occurrence Disclosed is a monitoring system and a monitoring method for monitoring theft or forest fire of a crop comprising a central control unit and a communication network connecting the terminal of the supervisor and the central control unit by wire or wirelessly.

However, the prior art uses a variety of sensors or wires, such as infrared sensors and radar sensors as a means for detecting external intrusion, which needs to be connected to a separate power supply line, expensive sensors are required for construction costs There was a problem of excessive material costs.

Republic of Korea Patent Application Publication No. 2005-0013792 'Security device for crops and outdoor facilities' Republic of Korea Utility Model Publication No. 2011-0004016 'Theft prevention device of crops' Republic of Korea Patent Publication No. 2010-0114627 'Surveillance system and monitoring method for monitoring the theft or forest fires of crops'

The present invention has been made to solve the problems described above, it is possible to accurately identify the intrusion location, greatly reduce the installation and operating costs, as well as easy installation and recovery operations can be expected anti-theft effect It is an object of the present invention to provide a method for preventing crops using telecommunications.

In order to achieve the above object, the agricultural crop security method using communication according to the present invention comprises the steps of: (a) transmitting a radio signal from a plurality of tags installed on the ground where the cropland is located; and (b) step (a) An access point receiving a wireless signal transmitted from the access point; (c) the access point detecting a change in intensity of the wireless signal received in step (b) or detecting a radio signal arrival time; And (d) the access point is the intensity of the radio signal received in the step (c) is maintained below the threshold or more than the predetermined time or the radio signal having a strength below the threshold is sequentially received or the radio signal arrival time is above the threshold. And recognizing a state of intrusion when delayed and generating an alarm signal to the outside.

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At this time (e) if the intensity of the radio signal is maintained below the threshold value for more than the set time or in the step (d) or if the radio signal arrival time is delayed above the threshold value, the transmission and reception period of the radio signal between the tag and the access point is shorter and more accurate. It is preferable to further include; improving the.

In addition, (f) the access point transmits the intrusion information to the management server, the management server may further include transmitting the intrusion information to the user terminal connected through a wired or wireless communication network.

According to one embodiment of the present invention as described above, in constructing a security system, by using a tag and an access point that transmits and receives a wireless signal, it is possible to accurately identify the intrusion location and greatly reduce the installation cost. It can be operated for a long time by the storage battery has the advantage that can significantly reduce the operating cost.

In addition, the tag can be easily installed and recovered by having a tip embedded in the basement, and the communication unit and the storage unit in which the battery is built are installed at a distance from the ground, so that the device can be safely protected from soil moisture. .

In addition, if the access point recognizes the intrusion status, it can generate an alarm signal to prevent theft in advance, and the intrusion information is transmitted to the management server, and the management server that received the intrusion information is invaded by the user terminal connected through the wired / wireless communication network. Providing the information has the advantage of providing intrusion information to the administrator in conjunction with the Geographic Information System (GIS).

1 is a schematic configuration diagram of a crop security system using communication according to an embodiment of the present invention,
2 is a block diagram of a crop security system using communication according to an embodiment of the present invention,
3 is a view illustrating a signal transmission and reception state between a tag and an access point of a crop security system according to an embodiment of the present invention;
4 is a view for explaining a process of the access point (RAP1 to RAP3) of the present invention to detect the intrusion state by detecting the change in the strength (RSSI) of the received signal,
5 is a view for explaining a process in which the access point of the present invention detects the change in the arrival time (TDOA) of the received signal to recognize the intrusion state;
6 is a fastening state diagram of a tag according to an embodiment of the present invention,
7 and 8 are a flow chart of a crop security method using communication according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are intended to describe in detail enough to be able to easily carry out the invention by those skilled in the art to which the present invention belongs, This does not mean that the technical spirit and scope of the present invention is limited.

1 is a schematic configuration diagram of a crop security system 100 using communication according to an embodiment of the present invention, Figure 2 is a block configuration of a crop security system 100 using communication according to an embodiment of the present invention 3 is a view illustrating a signal transmission and reception state between the tag 10 and the access point 20 of the crop security system 100 according to an embodiment of the present invention, Figure 4 is an access point of the present invention (RAP1 to RAP3) is a view for explaining the process of recognizing the intrusion state by detecting the change in the strength (RSSI) of the received signal, Figure 5 is the access point of the present invention detects the change in the arrival time (TDOA) of the received signal To illustrate a process of recognizing an intrusion state.

Crop security system 100 using the communication according to an embodiment of the present invention comprises a tag 10 and the access point 20.

The tag 10 is installed in plural on the ground where the cropland G of the crop is located, and includes a communication module 11 capable of transmitting a radio signal and a storage battery 13 capable of operating it for a long time. Tag 10 can be installed in the farmland as well as the outside of the farmland there is no restriction in the monitoring position.

The access point 20 includes a communication module 21 and a signal processing module 23, and may be installed in an existing facility such as a street lamp. The communication module 21 receives a radio signal transmitted from the plurality of tags 10 and grasps the real-time location of the tag 10. In addition, the signal processing module 23 measures whether there is a change in the strength (RSSI) of the radio signal received through the communication module 21 or the delay of the propagation time, and when the obstacle occurs on the propagation path due to the intruder, the LOS As the radio wave path that was communicated through) is blocked, it is received by the signal S 'attenuated by a certain level or more than the normal reception signal S or becomes incapable of communication, and the state of reception of the radio wave is delayed. If detected, the control module 25 is configured to operate the alarm device 30 to generate light or sound. In particular, in the present invention, as shown in Figs. 4 and 5, the intensity of the wireless signal received through the communication module 21 is maintained for a predetermined time or less below a predetermined threshold or the wireless signal having the intensity below the threshold is sequentially received or the wireless signal. If the arrival time is delayed above the threshold, it is configured to recognize it as an intrusion state.

Meanwhile, the access point 20 of the crop security system 100 using communication according to an embodiment of the present invention manages the transmission and reception of the information with the management server 40 through the transceiver 27 and recognizes an intrusion state. The intrusion information is transmitted to the server 40 so that the intrusion information can be effectively provided to the administrator by interworking with the Geographic Information System (GIS).

6 is a fastening state diagram of the tag 10 according to an embodiment of the present invention.

Tag 10 of the crop security system 100 using the communication according to an embodiment of the present invention is formed with a tip portion 15 is buried underground in the lower end and the communication module 11 and the storage battery at the upper end There is provided an accommodating portion 17 into which the 13 can be built or attached. The tag 10 is preferably made of a material that is easy to transmit radio waves.

Therefore, the tag 10 can be effectively buried under the ground by using the tip portion 15, so that the installation and recovery work can be easily performed, and thus can be utilized only at a specific time such as a harvester, and the communication module 11 and the battery 13 The built-in storage unit 17 may be spaced apart from the ground to safely protect the device from moisture of the soil.

7 and 8 are a flow chart of a crop security method using communication according to an embodiment of the present invention.

In accordance with an embodiment of the present invention, the agricultural crop security method (S100) may include: (a) transmitting a radio signal from a plurality of tags 10 installed on a ground on which cropland is placed (S10), and (b ) The access point 20 receiving the wireless signal transmitted in step (a) (S20), (c) the access point 20 detects a change in the intensity of the wireless signal received in step (b) Or detecting the radio signal arrival time (S30) and (d) the access point 20 maintains the intensity of the radio signal received in the step (c) above the threshold for more than a preset time (S42) or below the threshold. Receiving a wireless signal having a strength in sequence (S44) or if the wireless signal arrival time is delayed more than the threshold (S46) it is recognized as an intrusion state and generates an alarm signal (S48) to the outside (S40).

At this time, (e) when the intensity of the radio signal is maintained below the threshold value for more than the predetermined time or the delay time of the radio signal arrival time is greater than the threshold value in (d), the transmission and reception of the radio signal between the tag 10 and the access point 20 Further shortening the period to improve the accuracy (S50) is further included.

The subjects and effects of the steps (a) to (e) are described above in the crop crime prevention system 100 using the aforementioned communication, and thus description thereof will be omitted.

On the other hand, the crop security method using the communication according to an embodiment of the present invention (f) the access point 20 transmits the intrusion information to the management server 40 (S62), the management server 40 is wired and wireless communication network A step S60 of transmitting intrusion information to the user terminal 50 connected through S64 is further included.

Accordingly, the management server 40 receiving the intrusion information from the access point 20 transmits the intrusion information to the user terminal 50 connected through the wired / wireless communication network, thereby integrating the intrusion position on the map in cooperation with the Geographic Information System (GIS). It can be displayed and provided to the administrator.

100: crop security system
G: Arable land S, S ': Radio signal
10 Tag 11: Communication Module
13: storage battery 15: tip
17: storage
20: access point 21: communication module
23: signal processing module 25: control module
27: transceiver
30: alarm device
40: management server
50: user terminal

Claims (6)

delete delete delete delete (a) transmitting a radio signal from a plurality of tags installed on the ground on which the cropland is placed; and
(b) the access point receiving a radio signal transmitted in step (a);
(c) the access point detecting a change in intensity of the wireless signal received in step (b) or detecting a radio signal arrival time; And
(d) The access point is characterized in that the intensity of the radio signal received in step (c) is maintained below the threshold for more than a predetermined time or the radio signal having the intensity below the threshold is sequentially received or the radio signal arrival time is delayed beyond the threshold. If it is recognized as an intrusion state and generating an alarm signal to the outside; including;
(e) In step (d), if the strength of the radio signal is maintained below the threshold for more than the preset time or the radio signal arrival time is delayed above the threshold, the transmission / reception period of the radio signal between the tag and the access point is shortened to improve accuracy. Improving crop security method using a communication, characterized in that it further comprises; improving.
6. The method of claim 5,
(f) the access point transmits the intrusion information to the management server, the management server transmits the intrusion information to the user terminal connected through a wired or wireless communication network; agricultural security method using a communication further comprising .

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