# US 10,309,673 B2 · Air anomaly alarming method, device and storage medium > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,309,673 B2 - Document ID: US10309673B2 - Status: Granted - Kind: B2 - Application number: 15/464,363 - Filed: 2017-03-21 - Published: 2017-10-19 - Granted: 2019-06-04 - Earliest claimed: 2016-04-19 - Assignees: Beijing Xiaomi Mobile Software Co., Ltd. - Applicants: Beijing Xiaomi Mobile Software Co., Ltd. - Inventors: Ke Wu; Chuangqi Li; Huayijun Liu - Web page: https://patentgrep.com/patent/US10309673B2 ## CPC - F24F 11/32: Responding to malfunctions or emergencies - F24F 11/30: for purposes related to the operation of the system, e.g. for safety or monitoring - G05B 19/048: Monitoring; Safety - G08B 21/12: responsive to undesired emission of substances, e.g. pollution alarms - F24F 11/63: Electronic processing - F24F 11/64: using pre-stored data - F24F 2110/50: Air quality properties - F24F 2110/52: of the outside air - G05B 2219/2614: HVAC, heating, ventillation, climate control - F24F: AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced B08B15/00; vertical ducts for carrying away waste gases from buildings E04F17/02; tops for chimneys or ventilating shafts, terminals for flues F23L17/02) - G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G) - G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS ## Abstract An air anomaly alarming method, an air anomaly alarming device and a storage medium are provided. The method includes: air composition information of an indoor environment is acquired; the air composition information of the indoor environment is compared with corresponding air composition information in a pre-acquired air change pattern; and an alarming message is sent to preset target equipment when a difference between the air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than a first preset air threshold value. ## Claims ### Claim 1 An air anomaly alarming method, comprising: acquiring air composition information of an indoor environment; comparing the air composition information of the indoor environment with corresponding air composition information in a pre-acquired air change pattern; and sending an alarming message to preset target equipment when a difference between the air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than a first preset air threshold value; wherein pre-acquisition of the air change pattern comprises: monitoring the air composition information of the indoor environment continuously within a preset time period; and generating the air change pattern according to the continuously monitored air composition information of the indoor environment; wherein the air change pattern comprises a set of air composition information changing with time. ### Claim 2 (depends on 1) The air anomaly alarming method according to claim 1, wherein monitoring the air composition information of the indoor environment continuously within the preset time period comprises: monitoring position change information; and monitoring the air composition information of the indoor environment continuously within the preset time period when the position change information is greater than a preset distance threshold value. ### Claim 3 (depends on 1) The air anomaly alarming method according to claim 1, further comprising: acquiring air composition information of an outdoor environment; and comparing the air composition information of the indoor environment with the air composition information of the outdoor environment, wherein sending the alarming message to the preset target equipment when the difference between the air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than the first preset air threshold value comprises: sending the alarming message to the preset target equipment when the difference between the air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than the first preset air threshold value and a difference between the air composition information of the indoor environment and the air composition information of the outdoor environment is greater than a second preset air threshold value. ### Claim 4 (depends on 1) The air anomaly alarming method according to claim 1, wherein the air composition information of the indoor environment comprises at least two types of air composition information; and sending the alarming message to the preset target equipment when the difference between the air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than the first preset air threshold value comprises: sending the alarming message to preset target equipment corresponding to at least one type of air composition information when a difference between the at least one type of air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than the first preset air threshold value. ### Claim 5 (depends on 1) The air anomaly alarming method according to claim 1, wherein the alarming message comprises local position information. ### Claim 6 (depends on 1) The air anomaly alarming method according to claim 1, wherein sending an alarming message to preset target equipment when a difference between the air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than a first preset air threshold value comprises at least one of: when the air composition information is air composition information of harmful air, and when the air composition information of the indoor environment is greater than the corresponding air composition information in the pre-acquired air change pattern and the difference is greater than the first preset air threshold value, sending the alarming message to the preset target equipment; or when the air composition information is air composition information of beneficial air, and when the air composition information of the indoor environment is less than the corresponding air composition information in the air change pattern and an absolute value of the difference is greater than the first preset air threshold value, sending the alarming message to the preset target equipment. ### Claim 7 An air anomaly alarming device, comprising: a processor; and a memory configured to store instructions executable by the processor, wherein the processor is configured to: acquire air composition information of an indoor environment; compare the air composition information of the indoor environment with corresponding air composition information in a pre-acquired air change pattern; and send an alarming message to preset target equipment when a difference between the air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than a first preset air threshold value; wherein in order to pre-acquire the air change pattern, the processor is further configured to: monitor the air composition information of the indoor environment continuously within a preset time period; and generate the air change pattern according to the continuously monitored air composition information of the indoor environment; wherein the air change pattern comprises a set of air composition information changing with time. ### Claim 8 (depends on 7) The device according to claim 7, wherein the processor configured to monitor the air composition information of the indoor environment continuously within the preset time period is further configured to: monitor position change information; and monitor the air composition information of the indoor environment continuously within the preset time period when the position change information is greater than a preset distance threshold value. ### Claim 9 (depends on 7) The device according to claim 7, wherein the processor is further configured to: acquire air composition information of an outdoor environment; and compare the air composition information of the indoor environment with the air composition information of the outdoor environment, wherein the processor configured to send the alarming message to the preset target equipment when the difference between the air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than the first preset air threshold value is further configured to: send the alarming message to the preset target equipment when the difference between the air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than the first preset air threshold value and a difference between the air composition information of the indoor environment and the air composition information of the outdoor environment is greater than a second preset air threshold value. ### Claim 10 (depends on 7) The device according to claim 7, wherein the air composition information of the indoor environment comprises at least two types of air composition information; and the processor configured to send the alarming message to the preset target equipment when the difference between the air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than the first preset air threshold value is further configured to: send the alarming message to preset target equipment corresponding to at least one type of air composition information when a difference between the at least one type of air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than the first preset air threshold value. ### Claim 11 (depends on 7) The device according to claim 7, wherein the alarming message comprises local position information. ### Claim 12 A non-transitory computer-readable storage medium having stored therein instructions that, when executed by a processor, causes the processor to perform an air anomaly alarming method, the method comprising: acquiring air composition information of an indoor environment; comparing the air composition information of the indoor environment with corresponding air composition information in a pre-acquired air change pattern; and sending an alarming message to preset target equipment when a difference between the air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than a first preset air threshold value; wherein pre-acquisition of the air change pattern comprises: monitoring the air composition information of the indoor environment continuously within a preset time period; and generating the air change pattern according to the continuously monitored air composition information of the indoor environment; wherein the air change pattern comprises a set of air composition information changing with time. ### Claim 13 (depends on 12) The non-transitory computer-readable storage medium according to claim 12, wherein monitoring the air composition information of the indoor environment continuously within the preset time period comprises: monitoring position change information; and monitoring the air composition information of the indoor environment continuously within the preset time period when the position change information is greater than a preset distance threshold value. ### Claim 14 (depends on 12) The non-transitory computer-readable storage medium according to claim 12, wherein the method further comprises: acquiring air composition information of an outdoor environment; and comparing the air composition information of the indoor environment with the air composition information of the outdoor environment, wherein sending the alarming message to the preset target equipment when the difference between the air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than the first preset air threshold value comprises: sending the alarming message to the preset target equipment when the difference between the air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than the first preset air threshold value and a difference between the air composition information of the indoor environment and the air composition information of the outdoor environment is greater than a second preset air threshold value. ### Claim 15 (depends on 12) The non-transitory computer-readable storage medium according to claim 12, wherein the air composition information of the indoor environment comprises at least two types of air composition information; and sending the alarming message to the preset target equipment when the difference between the air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than the first preset air threshold value comprises: sending the alarming message to preset target equipment corresponding to at least one type of air composition information when a difference between the at least one type of air composition information of the indoor environment and the corresponding air composition information in the air change pattern is greater than the first preset air threshold value. ### Claim 16 (depends on 12) The non-transitory computer-readable storage medium according to claim 12, wherein the alarming message comprises local position information.