Refrigerant heat exchanger, method and device for installing refrigerant sensor, and storage medium

Abstract

A method includes selecting one or more candidate installation positions in a bottom area below a central horizontal line of the refrigerant heat exchanger, determining one or more highest risk leakage points each corresponding to one of the one or more candidate installation positions and reflecting a refrigerant leakage position in the refrigerant heat exchanger with a lowest probability of being detected by the refrigerant sensor installed at the corresponding candidate installation position, calculating one or more leakage limit distances each corresponding to one of the one or more highest risk leakage points, determining a target highest risk leakage point corresponding to a target leakage limit distance that is a smallest one of the one or more leakage limit distances, determining a target installation position based at least on the target highest risk leakage point, and installing the refrigerant sensor at the target installation position.

1 . A method comprising:
 selecting one or more candidate installation positions in a bottom area of a refrigerant heat exchanger, the bottom area being an area below a central horizontal line of the refrigerant heat exchanger;   determining one or more highest risk leakage points each corresponding to one of the one or more candidate installation positions, the highest risk leakage point corresponding to one candidate installation position reflecting a refrigerant leakage position in the refrigerant heat exchanger with a lowest probability of being detected by the refrigerant sensor installed at the one candidate installation position;   calculating one or more leakage limit distances each corresponding to one of the one or more highest risk leakage points;   determining a target highest risk leakage point corresponding to a target leakage limit distance, the target leakage limit distance being a smallest one of the one or more leakage limit distances;   determining a target installation position based at least on the target highest risk leakage point; and   installing the refrigerant sensor at the target installation position.   
     
     
         2 . The method according to  claim 1 , wherein determining the one or more highest risk leakage points includes, for each candidate installation point of the one or more candidate installation points:
 determining a first coordinate point of the candidate installation position on the refrigerant heat exchanger; and   determining, as the highest risk leakage point corresponding to the candidate installation point, a second coordinate point on the refrigerant heat exchanger with a farthest distance from the first coordinate point.   
     
     
         3 . The method according to  claim 1 , wherein calculating the one or more leakage limit distances includes:
 obtaining a refrigerant capacity and a device size of the refrigerant heat exchanger;   determining a refrigerant leakage rate of the refrigerant heat exchanger based on the refrigerant capacity; and   for each highest risk leakage point of the one or more highest risk leakage points:
 determining a distance value corresponding to the highest risk leakage point based on the device size; and 
 calculating the leakage limit distance corresponding to the highest risk leakage point using the refrigerant leakage rate and the distance value. 
   
     
     
         4 . The method according to  claim 3 , wherein calculating the leakage limit distance corresponding to the highest risk leakage point using the refrigerant leakage rate and the distance value includes:
 obtaining a coordinate point of the highest risk leakage point on the refrigerant heat exchanger, and obtaining, based on the device size, bottom lengths of the refrigerant heat exchanger;   determining a contact length, a relative height, and a horizontal distance corresponding to the highest risk leakage point, based on the coordinate point and the bottom lengths, wherein:
 the contact length represents a sum of the bottom lengths of the refrigerant heat exchanger, 
 the relative height represents a height linear distance between the highest risk leakage point and the bottom area, and 
 the horizontal distance represents a horizontal linear distance between the corresponding candidate installation position and a surface of the refrigerant heat exchanger; and 
   calculating the leakage limit distance corresponding to the highest risk leakage point using the refrigerant leakage rate, the contact length, the relative height, and the horizontal distance.   
     
     
         5 . The method according to  claim 1 , wherein determining the target installation position includes:
 obtaining a current installation direction of the refrigerant heat exchanger;   determining the candidate installation position corresponding to the target highest risk leakage point in the current installation direction as a first installation position;   calculating another target highest risk leakage point corresponding to another installation direction of the refrigerant heat exchanger that is different from the current installation direction, and determining a candidate installation position corresponding to the other target highest risk leakage point as a second installation position; and   determining the target installation position based at least on the first installation position and the second installation position.   
     
     
         6 . The method according to  claim 5 , wherein determining the target installation position based at least on the first installation position and the second installation position includes:
 in response to the first installation position overlapping with the second installation position, determining a position of an overlapping portion as the target installation position; or   in response to the first installation position not overlapping with the second installation position, determining the first installation position and the second installation position together as the target installation position.   
     
     
         7 . The method according to  claim 1 , wherein selecting the one or more candidate installation positions includes:
 determining a current installation direction of the refrigerant heat exchanger and a sensor size of the refrigerant sensor; and   using an area below the central horizontal line of the refrigerant heat exchanger in the current installation direction as the bottom area, and selecting a preset number of positions in the bottom area as the one or more candidate installation positions, an interval between each two candidate installation positions being larger than a preset distance value, and a size of each candidate installation position being larger than the sensor size.   
     
     
         8 . A refrigerant heat exchanger comprising:
 a memory storing executable instructions; and   a processor configured to execute the executable instructions to:
 select one or more candidate installation positions in a bottom area of a refrigerant heat exchanger, the bottom area being an area below a central horizontal line of the refrigerant heat exchanger; 
 determine one or more highest risk leakage points each corresponding to one of the one or more candidate installation positions, the highest risk leakage point corresponding to one candidate installation position reflecting a refrigerant leakage position in the refrigerant heat exchanger with a lowest probability of being detected by the refrigerant sensor installed at the one candidate installation position; 
 calculate one or more leakage limit distances each corresponding to one of the one or more highest risk leakage points; 
 determine a target highest risk leakage point corresponding to a target leakage limit distance, the target leakage limit distance being a smallest one of the one or more leakage limit distances; 
 determine a target installation position based at least on the target highest risk leakage point; and 
 control to install the refrigerant sensor at the target installation position. 
   
     
     
         9 . The refrigerant heat exchanger according to  claim 8 , wherein the processor is further configured to execute the executable instructions to, when determining the one or more highest risk leakage points, for each candidate installation point of the one or more candidate installation points:
 determine a first coordinate point of the candidate installation position on the refrigerant heat exchanger; and   determine, as the highest risk leakage point corresponding to the candidate installation point, a second coordinate point on the refrigerant heat exchanger with a farthest distance from the first coordinate point.   
     
     
         10 . The refrigerant heat exchanger according to  claim 8 , wherein the processor is further configured to execute the executable instructions to, when calculating the one or more leakage limit distances:
 obtain a refrigerant capacity and a device size of the refrigerant heat exchanger;   determine a refrigerant leakage rate of the refrigerant heat exchanger based on the refrigerant capacity; and   for each highest risk leakage point of the one or more highest risk leakage points:
 determine a distance value corresponding to the highest risk leakage point based on the device size; and 
 calculate the leakage limit distance corresponding to the highest risk leakage point using the refrigerant leakage rate and the distance value. 
   
     
     
         11 . The refrigerant heat exchanger according to  claim 10 , wherein the processor is further configured to execute the executable instructions to, when calculating the leakage limit distance corresponding to the highest risk leakage point using the refrigerant leakage rate and the distance value:
 obtain a coordinate point of the highest risk leakage point on the refrigerant heat exchanger, and obtaining, based on the device size, bottom lengths of the refrigerant heat exchanger;   determine a contact length, a relative height, and a horizontal distance corresponding to the highest risk leakage point, based on the coordinate point and the bottom lengths, wherein:
 the contact length represents a sum of the bottom lengths of the refrigerant heat exchanger, 
 the relative height represents a height linear distance between the highest risk leakage point and the bottom area, and 
 the horizontal distance represents a horizontal linear distance between the corresponding candidate installation position and a surface of the refrigerant heat exchanger; and 
   calculate the leakage limit distance corresponding to the highest risk leakage point using the refrigerant leakage rate, the contact length, the relative height, and the horizontal distance.   
     
     
         12 . The refrigerant heat exchanger according to  claim 8 , wherein the processor is further configured to execute the executable instructions to, when determining the target installation position:
 obtain a current installation direction of the refrigerant heat exchanger;   determine the candidate installation position corresponding to the target highest risk leakage point in the current installation direction as a first installation position;   calculate another target highest risk leakage point corresponding to another installation direction of the refrigerant heat exchanger that is different from the current installation direction, and determining a candidate installation position corresponding to the other target highest risk leakage point as a second installation position; and   determine the target installation position based at least on the first installation position and the second installation position.   
     
     
         13 . The refrigerant heat exchanger according to  claim 12 , wherein the processor is further configured to execute the executable instructions to, when determining the target installation position based at least on the first installation position and the second installation position:
 in response to the first installation position overlapping with the second installation position, determine a position of an overlapping portion as the target installation position; or   in response to the first installation position not overlapping with the second installation position, determine the first installation position and the second installation position together as the target installation position.   
     
     
         14 . The refrigerant heat exchanger according to  claim 8 , wherein the processor is further configured to execute the executable instructions to, when selecting the one or more candidate installation positions:
 determine a current installation direction of the refrigerant heat exchanger and a sensor size of the refrigerant sensor; and   use an area below the central horizontal line of the refrigerant heat exchanger in the current installation direction as the bottom area, and select a preset number of positions in the bottom area as the one or more candidate installation positions, an interval between each two candidate installation positions being larger than a preset distance value, and a size of each candidate installation position being larger than the sensor size.   
     
     
         15 . A non-transitory computing device readable storage medium storing instructions that, when executed by a computing device, cause the computing device to:
 select one or more candidate installation positions in a bottom area of a refrigerant heat exchanger, the bottom area being an area below a central horizontal line of the refrigerant heat exchanger;   determine one or more highest risk leakage points each corresponding to one of the one or more candidate installation positions, the highest risk leakage point corresponding to one candidate installation position reflecting a refrigerant leakage position in the refrigerant heat exchanger with a lowest probability of being detected by the refrigerant sensor installed at the one candidate installation position;   calculate one or more leakage limit distances each corresponding to one of the one or more highest risk leakage points;   determine a target highest risk leakage point corresponding to a target leakage limit distance, the target leakage limit distance being a smallest one of the one or more leakage limit distances;   determine a target installation position based at least on the target highest risk leakage point; and   control to install the refrigerant sensor at the target installation position.   
     
     
         16 . The storage medium according to  claim 15 , wherein the instructions, when executed by the computing device, further cause the computing device to, when determining the one or more highest risk leakage points, for each candidate installation point of the one or more candidate installation points:
 determine a first coordinate point of the candidate installation position on the refrigerant heat exchanger; and   determine, as the highest risk leakage point corresponding to the candidate installation point, a second coordinate point on the refrigerant heat exchanger with a farthest distance from the first coordinate point.   
     
     
         17 . The storage medium according to  claim 15 , wherein the instructions, when executed by the computing device, further cause the computing device to, when calculating the one or more leakage limit distances:
 obtain a refrigerant capacity and a device size of the refrigerant heat exchanger;   determine a refrigerant leakage rate of the refrigerant heat exchanger based on the refrigerant capacity; and   for each highest risk leakage point of the one or more highest risk leakage points:
 determine a distance value corresponding to the highest risk leakage point based on the device size; and 
 calculate the leakage limit distance corresponding to the highest risk leakage point using the refrigerant leakage rate and the distance value. 
   
     
     
         18 . The storage medium according to  claim 17 , wherein the instructions, when executed by the computing device, further cause the computing device to, when calculating the leakage limit distance corresponding to the highest risk leakage point using the refrigerant leakage rate and the distance value:
 obtain a coordinate point of the highest risk leakage point on the refrigerant heat exchanger, and obtaining, based on the device size, bottom lengths of the refrigerant heat exchanger;   determine a contact length, a relative height, and a horizontal distance corresponding to the highest risk leakage point, based on the coordinate point and the bottom lengths, wherein:
 the contact length represents a sum of the bottom lengths of the refrigerant heat exchanger, 
 the relative height represents a height linear distance between the highest risk leakage point and the bottom area, and 
 the horizontal distance represents a horizontal linear distance between the corresponding candidate installation position and a surface of the refrigerant heat exchanger; and 
   calculate the leakage limit distance corresponding to the highest risk leakage point using the refrigerant leakage rate, the contact length, the relative height, and the horizontal distance.   
     
     
         19 . The storage medium according to  claim 15 , wherein the instructions, when executed by the computing device, further cause the computing device to, when determining the target installation position:
 obtain a current installation direction of the refrigerant heat exchanger;   determine the candidate installation position corresponding to the target highest risk leakage point in the current installation direction as a first installation position;   calculate another target highest risk leakage point corresponding to another installation direction of the refrigerant heat exchanger that is different from the current installation direction, and determining a candidate installation position corresponding to the other target highest risk leakage point as a second installation position; and   determine the target installation position based at least on the first installation position and the second installation position.   
     
     
         20 . The storage medium according to  claim 19 , wherein the instructions, when executed by the computing device, further cause the computing device to, when determining the target installation position based at least on the first installation position and the second installation position:
 in response to the first installation position overlapping with the second installation position, determine a position of an overlapping portion as the target installation position; or   in response to the first installation position not overlapping with the second installation position, determine the first installation position and the second installation position together as the target installation position.