Intrusion sensing net for unmanned outdoor guarding system and weaving machine for same

Abstract

The present invention relates to an intrusion sensing net of a structure that does not allow the sensing net to be disassembled or dissolved easily but does enable easy installation at the site, and to a weaving machine that weaves the same. The invention relates to an intrusion sensing net the entirety whereof is woven with one sensing line, that includes a repeating and consistent weaving pattern; wherein the consistent weaving pattern comprises a support line, a line of a zigzag shape that enables the support line to connect all the vertices of one side starting from one end of the support line and ending at the other end, and another line of a zigzag shape that is formed in symmetry with the zigzag shape based on the another support line, wherein at the point where the line of a zigzag shape meets with the another line of a zigzag shape, two sensing lines corresponding to each line wind and hold one another.

1 . An intrusion sensor net, which is woven with a single sensing line and has a predetermined repeated weaving pattern, comprising:
 a first support line;   a first zigzag-shaped line that starts from an end portion of the first support line and ends at the other end portion of the first support line and all the vertices of one side thereof are connected by the first support line;   a second support line for connecting all the vertices of the other side of the first zigzag-shaped line; and   a second zigzag-shaped line that is formed in symmetry with the first zigzag-shaped line relative to the second support line,   wherein two sensing lines corresponding to the first zigzag-shaped line and the second zigzag-shaped line are interlaced with each other at an intersection where the first zigzag-shaped line and the second zigzag-shaped line meet each other.   
     
     
         2 . The intrusion sensor net according to  claim 1 , wherein the two sensing lines corresponding to the first zigzag-shaped line and the second zigzag-shaped line are interlaced with the first support line or the second support line at the intersection where the first zigzag-shaped line and the second zigzag-shaped line meet each other in such a fashion that the first support line or the second support line goes under one side of the zigzag-shaped line and over the other side of the zigzag-shaped line, so that the first support line or the second support line gets curved. 
     
     
         3 . The intrusion sensor net according to  claim 1 , further comprising a first spare sensing line formed at a starting part of weaving and a second spare sensing line formed at an ending part of weaving. 
     
     
         4 . The intrusion sensor net according to  claim 2 , wherein a plurality of fixtures are mounted on the edge of the sensor net, and each of the fixtures comprises: a through hole and a sensing line fixing hole perforated in each of the fixtures, the through hole and the sensing line fixing hole having different directions of central axes from each other; and a slit formed in the sensing line fixing hole for allowing the sensing line to be inserted thereinto from the outside and seated on the sensing line fixing hole, and wherein at least one of the sensing lines of the first zigzag-shaped line and the second zigzag-shaped line goes through the sensing line fixing hole. 
     
     
         5 . The intrusion sensor net according to  claim 4 , wherein the single sensing line passes through the through holes of the plural fixtures in order along the edge of the intrusion sensor net. 
     
     
         6 . The intrusion sensor net according to  claim 5 , wherein the through hole is mounted at an inner portion than the sensing line fixing hole toward the center of the intrusion sensor net. 
     
     
         7 . The intrusion sensor net according to  claim 4 , wherein central axes of the through hole and the sensing line fixing hole are perpendicular to each other. 
     
     
         8 . The intrusion sensor net according to  claim 2 , wherein inside the edge of the intrusion sensor net, a clip is mounted at the intersection where the first zigzag-shaped sensing line and the second zigzag-shaped sensing line meet each other in order to fasten the sensing lines corresponding to the first and second zigzag-shaped lines and the sensing line corresponding to the first support line or the second support line together. 
     
     
         9 . The intrusion sensor net according to  claim 2 , wherein the sensing line is a coaxial cable. 
     
     
         10 . A method of weaving an intrusion sensor net with a single sensing line using a plurality of fixtures, each of which includes first and second holes having different central axes from each other and a slit formed in the second hole and extending to the outer end portion of the fixture, the weaving method comprising:
 a first step of deploying a line of fixtures;   a second step of passing a sensing line through the second hole of the first fixture of the deployed fixtures and passing the sensing line through the second holes of the other fixtures in order so that the sensing line passing through the fixtures forms a first zigzag shape and the fixtures are respectively located at the vertices of one side of the first zigzag shape;   a third step of further deploying a fixture at a location facing the final fixture of the second step and passing the sensing line through the second hole of the deployed fixture;   a fourth step of forming a first central line while passing through the vertices of the other side of the first zigzag shape in order in an alternating fashion that the sensing line goes under one of the two lines, which form each vertex of the first zigzag shape, and goes over the other one of the two lines near each vertex of the first zigzag shape;   a fifth step of further deploying a fixture at a location facing the first fixture and passing the sensing line through the second hole of the fixture and the second hole of the first fixture, and then forming a second zigzag-shaped line in such a fashion that the sensing line interlaces all of the line, which forms the vertices of the other side of the first zigzag shape, and the first central line at an intersection between the sensing line and the first central line and is symmetric with the first zigzag-shaped line relative to the first central line; and   a sixth step of forming a second central line by passing the sensing line through the vertices of the second zigzag shape, which do not meet the first central line, in order in an alternating fashion that the sensing line goes under one of the two lines, which form each vertex of the second zigzag shape, and goes over the other one of the two lines.   
     
     
         11 . The weaving method according to  claim 10 , wherein the fixture is deployed in such a way that the first hole faces the inside of the intrusion sensor net, which will be woven. 
     
     
         12 . The weaving method according to  claim 10 , wherein the fixtures deployed in one line in the first step are in even number. 
     
     
         13 . A weaving machine, which includes a rotatable cylindrical body and driving means for rotating the cylindrical body, wherein the cylindrical body comprises:
 a plurality of columns of pins protrudingly formed along the outer circumference of the cylindrical body, and   wherein the plurality of the columns of pins comprises a first column in which a plurality of pins are deployed in a line and a second column that is adjacent to the first column at a predetermined interval from the first column and that has a plurality of pins deployed at the locations facing the region in-between the pins of the first column, and   wherein the first column and the second column are repeatedly deployed in an alternating fashion.   
     
     
         14 . The weaving machine according to  claim 13 , wherein the intervals between the pins formed on the cylindrical body are all identical and intervals between the columns are all identical. 
     
     
         15 . The weaving machine according to  claim 13 , wherein the pins of the second column are deployed at the locations corresponding to central points between the neighboring pins of the first column. 
     
     
         16 . The weaving machine according to  claim 13 , further comprising a winding rod that winds the intrusion sensor net, which is woven in the cylindrical body, while rotating in interlock with the cylindrical body. 
     
     
         17 . The weaving machine according to  claim 13 , wherein the cylindrical shape of the cylindrical body is formed by a plurality of pin support rods mounted along the outer circumference thereof and the pins are protrudingly formed on the pin support rods.