CN-116878044-B - Detection method, detection system, calculation equipment and storage medium of oil smoke exhaust system

CN116878044BCN 116878044 BCN116878044 BCN 116878044BCN-116878044-B

Abstract

The application discloses a detection method, a detection system, a calculation device and a storage medium of a fume exhaust system. The detection method of the fume exhaust system comprises the steps of obtaining a required air volume parameter and an actual air volume parameter of a host machine, determining whether the running state of the fume exhaust system is normal according to the required air volume parameter and the actual air volume parameter, if not, closing each air valve in a plurality of air valves in turn, and after closing each air valve in turn, determining whether a user corresponding to the air valve which is closed currently has abnormal air exhaust behaviors according to the current required air volume parameter and the current actual air volume parameter of the host machine. The method comprises the steps of obtaining a switching signal of each air valve in a plurality of air valves, obtaining an air volume state of each air valve passing through the air valve in the plurality of air valves, and determining whether a user corresponding to the current air valve has abnormal air exhaust behaviors according to the switching signal of each air valve in the plurality of air valves and the air volume state of the corresponding air valve. The detection accuracy is improved, so that the range hood works under the preset air quantity setting.

Inventors

REN FUJIA
FEI BENKAI
ZHANG ZHEYING

Assignees

杭州老板电器股份有限公司

Dates

Publication Date: 20260512
Application Date: 20230802

Claims (6)

1. A detection method of a fume exhaust system is characterized in that the fume exhaust system at least comprises a host, a main control box and an intelligent air valve assembly, wherein the host is arranged at the tail end of a main air pipe, and the method comprises the following steps: acquiring a required air quantity parameter of the host through a main box controller preset in the host, and acquiring an actual air quantity parameter of the host through a sensor preset in the host; Determining whether the operation state of the oil fume exhaust system is normal or not according to the required air quantity parameter and the actual air quantity parameter; if not, each air valve in the plurality of air valves is closed in turn, and after each air valve is closed in turn, whether the user corresponding to the air valve which is closed at present has abnormal air exhaust behavior is determined according to the current required air volume parameter and the current actual air volume parameter of the host computer; The method for obtaining the required air quantity parameter of the host through the main box controller preset in the host and obtaining the actual air quantity parameter of the host through the sensor preset in the host comprises the following steps: Acquiring the opening quantity of air valves, and determining the required air quantity parameter of the host according to the opening quantity of the air valves; and determining the actual air quantity parameter of the host according to the detection value of the pressure/air speed sensor at the air inlet or the air outlet of the host, wherein the pressure/air speed sensor at the air inlet or the air outlet of the host is arranged at the air inlet or the air outlet of the host, and the pressure sensor is used for monitoring the air static pressure value at the inlet of the host and is used as the off-board residual pressure of the host for comparison with the actual-demand performance curve of the host.
2. The method for detecting a fume exhaust system according to claim 1, wherein determining the actual air volume parameter of the main unit according to the detected value of the pressure/air speed sensor at the air inlet or the air outlet of the main unit comprises: According to the pressure detection value detected by the pressure sensor of the air inlet or the air outlet of the host, obtaining the actual air quantity parameter of the host through the corresponding relation between the preset pressure and the air quantity; Or alternatively And obtaining the actual air quantity parameter of the host according to the air speed detection value detected by the air speed sensor of the air inlet or the air outlet of the host and the section size of the air inlet or the air outlet.
3. The method for detecting a smoke exhaust system according to any one of claims 1-2, wherein determining whether the operation state of the smoke exhaust system is normal according to the required air volume parameter and the actual air volume parameter comprises: Obtaining whether the difference between the required air quantity parameter and the actual air quantity parameter is within a preset error range; If not, determining that the operation state of the fume exhaust system is abnormal.
4. A detection system of a fume exhaust system is characterized by at least comprising a main machine, a main control box and an intelligent air valve assembly, wherein the main machine is arranged at the tail end of a main air pipe, and the detection system comprises: The first acquisition module is used for acquiring the required air quantity parameters of the host through a main box controller preset in the host, and acquiring the actual air quantity parameters of the host through a sensor preset in the host; the judging module is used for determining whether the operation state of the fume exhaust system is normal or not according to the required air quantity parameter and the actual air quantity parameter; The first abnormality determining module is used for closing each air valve in the plurality of air valves in turn when the running state of the oil fume exhausting system is abnormal, and determining whether a user corresponding to the air valve which is closed at present has abnormal air exhausting behavior according to the current required air quantity parameter and the current actual air quantity parameter of the host after each air valve is closed in turn; The method for obtaining the required air quantity parameter of the host through the main box controller preset in the host and obtaining the actual air quantity parameter of the host through the sensor preset in the host comprises the following steps: Acquiring the opening quantity of air valves, and determining the required air quantity parameter of the host according to the opening quantity of the air valves; and determining the actual air quantity parameter of the host according to the detection value of the pressure/air speed sensor at the air inlet or the air outlet of the host, wherein the pressure/air speed sensor at the air inlet or the air outlet of the host is arranged at the air inlet or the air outlet of the host, and the pressure sensor is used for monitoring the air static pressure value at the inlet of the host and is used as the off-board residual pressure of the host for comparison with the actual-demand performance curve of the host.
5. A computing device, characterized in that it has stored thereon a computer program for implementing a detection method of a fume extraction system according to any one of claims 1-3.
6. A computer-readable storage medium, characterized in that a computer program is stored thereon for implementing the detection method of a fume exhaust system according to any one of claims 1-3.

Description

Detection method, detection system, calculation equipment and storage medium of oil smoke exhaust system Technical Field The application relates to the technical field of commercial range hoods, in particular to a detection method, a detection system, a calculation device and a storage medium of a range hood system. Background In the use process of the commercial range hood system, one host machine is often connected with a plurality of catering shops through air pipes, the branch pipes are often installed at hidden positions, and whether the monitoring branch pipes are normally connected or not cannot be normalized. In the prior art, whether the range hood is used is judged mainly by monitoring the switch signal of the air valve in the shop. Some shops are connected with a system to use a host machine for exhausting smoke, but because the air valve is powered off, the air valve is forced to be opened manually, an air opening beside an air pipe avoids the air valve route and other factors, the air valve is identical in shape and dummy, the host machine cannot monitor the use of the shops in time, and abnormal conditions such as insufficient running power or unbalanced distribution of the range hood exist. Disclosure of Invention In view of the foregoing drawbacks or shortcomings in the prior art, it is desirable to provide a detection method, a system, a computing device and a storage medium for a range hood system, which can quickly and accurately determine whether an abnormal situation exists in a range hood during use, and monitor a commercial range hood system. In a first aspect, an embodiment of the present application provides a method for detecting a smoke exhaust system, including: Obtaining a required air quantity parameter and an actual air quantity parameter of a host; Determining whether the operation state of the oil fume exhaust system is normal or not according to the required air quantity parameter and the actual air quantity parameter; If not, each air valve in the plurality of air valves is closed in turn, and after each air valve is closed in turn, whether the user corresponding to the air valve which is closed at present has abnormal air exhaust behavior is determined according to the current required air volume parameter and the current actual air volume parameter of the host computer. In some embodiments, the obtaining the required air volume parameter and the actual air volume parameter of the host includes: Acquiring the opening quantity of air valves, and determining the required air quantity parameter of the host according to the opening quantity of the air valves; and determining the actual air quantity parameter of the host according to the detection value of the pressure/air speed sensor of the air inlet or the air outlet of the host, wherein the pressure/air speed sensor of the air inlet or the air outlet of the host is arranged at the air inlet or the air outlet of the host. In some embodiments, the determining, according to a detection value of a pressure/wind speed sensor at an air inlet or an air outlet of the host, an actual air volume parameter of the host includes: According to the pressure detection value detected by the pressure sensor of the air inlet or the air outlet of the host, obtaining the actual air quantity parameter of the host through the corresponding relation between the preset pressure and the air quantity; Or alternatively And obtaining the actual air quantity parameter of the host according to the air speed detection value detected by the air speed sensor of the air inlet or the air outlet of the host and the section size of the air inlet or the air outlet. In some embodiments, the determining whether the operation state of the oil fume system is normal according to the required air volume parameter and the actual air volume parameter includes: Obtaining whether the difference between the required air quantity parameter and the actual air quantity parameter is within a preset error range; If not, determining that the operation state of the fume exhaust system is abnormal. In another embodiment, a method for detecting a smoke exhaust system includes: Obtaining a switching signal of each of a plurality of dampers; obtaining the air quantity state of each air valve in the plurality of air valves; and determining whether the user corresponding to the current air valve has abnormal air exhaust behaviors according to the switching signal of each air valve in the plurality of air valves and the air volume state of the corresponding air valve. According to the switching signal of each air valve in the plurality of air valves and the air volume state of the corresponding air valve, determining whether the user corresponding to the current air valve has abnormal air exhaust behavior comprises the following steps: If the switch signal of the air valve indicates to be opened and the air volume state of the air valve is that the air is over-blown, determining that t