Wind barrier generation system with protective function and method of generating protective air pressure difference

Abstract

A wind barrier generation system with protective function and a method of generating protective air pressure difference, applied to a protected space, the wind barrier generation system includes a person identification system, a matrix wind field generation system, a filter system, and a wind field control system. The wind field control system calculates a wind field control range parameter based on a person range coordinate transmitted from the person identification system, and maps the wind field control range parameter to the matrix wind field generation system to select a first range circle, and outputs a wind field control command to a matrix wind field generation system, to control wind speeds of the first range circle to be different from that of the other part in the matrix wind field generation system, thereby forming a protective wind barrier on the detected person.

What is claimed is: 
     
         1 . A wind barrier generation system with protective function, applied to a protected space, and the wind barrier generation system comprising:
 a person identification system configured to identify at least one person, and generate at least one person range coordinate of the at least one person located in the protected space;   a matrix wind field generation system comprising an air supply matrix and an air exhaust matrix, wherein the air supply matrix is disposed on a top surface of the protected space and the air exhaust matrix is disposed on a bottom surface of the protected space, the air supply matrix comprises a plurality of air supply devices, and the air exhaust matrix comprises a plurality of air exhaust devices, the plurality of air supply devices and the plurality of exhaust devices are arranged face-to-face, respectively, and each of the plurality of air supply devices comprises an air supply device coordinate, and each of the plurality of air exhaust devices comprises an air exhaust device coordinate, the plurality of air supply devices and the plurality of exhaust devices receive a wind field control command to generate air-supply wind speeds and air-exhaust wind speeds correspondingly;   a filter system connected to the air supply matrix and the air exhaust matrix by a ventilation duct, and configured to filter and disinfect air flowing through the air supply matrix and the air exhaust matrix; and   a wind field control system connected to the person identification system, and configured to receive the at least one person range coordinate, and configured to calculate a wind field control range parameter based on the at least one person range coordinate, and map the wind field control range parameter to the air supply matrix and the air exhaust matrix, to select at least one of the plurality of air supply devices and at least one of the plurality of air exhaust devices located within at least one first range circle, and output the wind field control command to control the air-supply wind speed of the at least one of plurality of air supply devices located within the first range circle to be different from the air-supply wind speeds of the others of the plurality of air supply devices not located within the first range circle, and control the air-exhaust wind speed of the at least one of plurality of air exhaust devices located within the first range circle to be different from the air-exhaust wind speed of the others of the plurality of air exhaust devices not located within the first range circle to form a first pressure difference range circle, so as to form a protective wind barrier on the at least one person.   
     
     
         2 . The wind barrier generation system with protective function according to  claim 1 , wherein when the identified person has a tag, the first pressure difference range circle is formed according to the person range coordinate; wherein when the identified person does not have the tag, at least one of the plurality of air supply devices and at least one of the plurality of air exhaust devices corresponding to the person range coordinate are selected as a first range circle based on the at least one person range coordinate, to control the wind speeds produced by the selected one of the plurality of air supply devices and the selected one of the plurality of air exhaust devices located within the first range circle to be different from the wind speeds produced by the others of the plurality of air supply devices and the others of the plurality of air exhaust devices not located within the first range circle, so as to form a second pressure difference range circle, wherein a pressure difference of the second pressure difference range circle is opposite to the pressure difference of the first pressure difference range circle. 
     
     
         3 . The wind barrier generation system with protective function according to  claim 1 , wherein when the identified person has a first tag, the first pressure difference range circle is formed according to the person range coordinate, wherein when the identified person has a second tag, a second pressure difference range circle is formed according to the person range coordinate, and pressure difference of the second pressure difference range circle is opposite to the pressure difference of the first pressure difference range circle. 
     
     
         4 . The wind barrier generation system with protective function according to  claim 1 , wherein the wind field control system controls the matrix wind field generation system to control at least one of the plurality of air supply devices and at least one of the plurality of air exhaust devices located within the first range circle to generate wind speeds lower than wind speeds of at least one of the plurality of air supply devices and at least one of the plurality of air exhaust devices not located within the first range circle 
     
     
         5 . The wind barrier generation system with protective function according to  claim 1 , wherein the wind field control system controls the matrix wind field generation system to control at least one of the plurality of air supply devices and at least one of the plurality of air exhaust devices located within the first range circle to generate wind speeds higher than wind speeds of at least one of the plurality of air supply devices and at least one of the plurality of air exhaust devices not located within the first range circle. 
     
     
         6 . A method of generating a protective air pressure difference, applied to a protected space where a person identification system and a matrix wind field generation system are disposed, wherein the matrix wind field generation system comprises an air supply matrix and an air exhaust matrix disposed on a top surface and a bottom surface of the protected space, respectively, the air supply matrix comprises a plurality of air supply devices, and the air exhaust matrix comprises a plurality of exhaust devices, the plurality of air supply devices and the plurality of air exhaust devices face towards each other, respectively, and the method comprises:
 performing person identification by the person identification system, and generating a person range coordinate when a person is identified, wherein the person range coordinate is defined based on a projection coordinate of the protected space;   individually defining projection coordinates of the plurality of air supply devices and the plurality of air exhaust devices in the protected space; and   based on the person range coordinate, defining at least one of the plurality of air supply device and at least one of the air exhaust devices corresponding to the person range coordinate as the first range circle, and controlling wind speeds produced by the at least one of the plurality of air supply devices and the at least one of the plurality of air exhaust devices located within the first range circle to be different from wind speeds produced by at least one of the plurality of air supply devices and at least one of the plurality of air exhaust devices not located within the first range circle, so as to form a first pressure difference range circle.   
     
     
         7 . The method of generating protective air pressure difference according to  claim 6 , further comprising:
 when the identified person has a tag, forming the first pressure difference range circle according to the person range coordinate;   when the identified person does not have the tag, selecting at least one of the plurality of air supply device and at least one of the plurality of air exhaust devices corresponding to the person range coordinate as a first range circle, and controlling the wind speeds produced by the at least one of the plurality of air supply devices and the at least one of the plurality of air exhaust devices located within the first range circle to be different from the wind speeds produced by at least one of the plurality of air supply devices and at least one of the plurality of air exhaust devices not located within the first range circle, so as to form a second pressure difference range circle, wherein a pressure difference of the second pressure difference range circle is opposite to the pressure difference of the first pressure difference range circle.   
     
     
         8 . The method of generating protective air pressure difference according to  claim 6 , wherein when the identified person has a first tag, forming the first pressure difference range circle; and
 when the identified person has a second tag, forming the second pressure difference range circle, wherein a pressure difference of the second pressure difference range circle is opposite to the pressure difference of the first pressure difference range circle.   
     
     
         9 . The method of generating protective air pressure difference according to  claim 6 , wherein defining the at least one of the plurality of air supply devices and the at least one of the plurality of air exhaust devices corresponding to the person range coordinate as the first range circle, comprises:
 defining at least one of the plurality of air supply devices and at least one of the plurality of air exhaust devices through which the person range coordinate passes, as the first range circle.   
     
     
         10 . The method of generating protective air pressure difference according to  claim 6 , further comprising:
 controlling an air-supply wind speed of the at least one of the plurality of air supply devices and an air-exhaust wind speed of the at least one of the air exhaust device located within the first range circle to be lower than an air-supply wind speed of at least one of the plurality of air supply devices and an air-exhaust wind speed of at least one of the plurality of air exhaust devices not located within the first range circle.   
     
     
         11 . The method of generating protective air pressure difference according to  claim 6 , further comprising:
 controlling an air-supply wind speed of the at least one of the plurality of air supply devices and an air-exhaust wind speed of the at least one of the plurality of exhaust devices located within the first range circle to be higher than an air-supply wind speed of at least one of the plurality of air supply devices and an air-exhaust wind speed of the at least one of the plurality of air exhaust devices not located within the first range circle.