The present invention relates to the field of Internet of Things (IoT), and provides a gas leakage detection method based on a compound IoT and an IoT system. According to the gas leakage detection method based on the compound IoT and the IoT system provided by the present invention, whether a gas pipeline of a user has gas leakage or not is judged via a user participation manner, the judgment manner is intelligent, the judgment result is accurate and thus the gas safety of the user is guaranteed.

The present invention relates to the field of Internet of Things (IoT), and provides a gas leakage detection method based on a compound IoT and an IoT system. According to the gas leakage detection method based on the compound IoT and the IoT system provided by the present invention, whether a gas pipeline of a user has gas leakage or not is judged via a user participation manner, the judgment manner is intelligent, the judgment result is accurate and thus the gas safety of the user is guaranteed.

Systems, methods, apparatus and computer program code are provided deliver fertilizer to targeted areas. In some embodiments, a system includes a memory configured to store data associated with an area to be fertilized, the data including information identifying a crop and soil analysis data associated with the area and a processor configured to receive sensor data associated with the area, the sensor data including information identifying a current weather condition and a current soil condition, automatically generate a proposed recipe of a fertilizer mixture, the recipe including information identifying a combination of elements and a dosage of each element, determining whether the proposed recipe satisfies at least a first rule; and operating a delivery system to deliver the fertilizer mixture to the area.

The present invention relates to the field of Internet of Things (IoT), and provides a gas leakage detection method based on a compound IoT and an IoT system. According to the gas leakage detection method based on the compound IoT and the IoT system provided by the present invention, whether a gas pipeline of a user has gas leakage or not is judged via a user participation manner, the judgment manner is intelligent, the judgment result is accurate and thus the gas safety of the user is guaranteed.

A system of household appliances is configured to provide services according to user identity. The system includes a first appliance, a server or other network device, and a second appliance. The first appliance is configured to collect sensor data associated with an identity of a user. The server or other network device is configured to receive the sensor data from the first appliance and analyze the sensor data to determine the identity of the user. The second appliance is configured to provide a device function to the user based on the identity determined from the sensor data collected by the first appliance.

A system of household appliances is configured to provide services according to user identity. The system includes a first appliance, a server or other network device, and a second appliance. The first appliance is configured to collect sensor data associated with an identity of a user. The server or other network device is configured to receive the sensor data from the first appliance and analyze the sensor data to determine the identity of the user. The second appliance is configured to provide a device function to the user based on the identity determined from the sensor data collected by the first appliance.

The present invention relates to the field of Internet of Things (IoT), and provides a gas leakage detection method based on a compound IoT and an IoT system. According to the gas leakage detection method based on the compound IoT and the IoT system provided by the present invention, whether a gas pipeline of a user has gas leakage or not is judged via a user participation manner, the judgment manner is intelligent, the judgment result is accurate and thus the gas safety of the user is guaranteed.

The present invention provides an environmental protection device control apparatus, a production plan optimization system, method, and a computer-readable medium, which can improve operating efficiency of an environmental protection device and reduce energy consumption of the environmental protection device on the premise of reaching environmental protection standards, and can use operation of the environmental protection device as one of elements of formulating a production plan. The environmental protection device control apparatus comprises: an environmental parameter obtaining unit to obtain environmental parameters in an operation process of an environmental protection device; an adjustment unit to adjust the environmental protection device; and a control unit to control the adjustment unit based on the environmental parameters obtained by the environmental parameter obtaining unit, such that an operation cost of the environmental protection device is reduced while the environmental parameters meet minimum environmental protection requirements.

The invention relates to a control apparatus (3) for an HVAC system (5), wherein the control apparatus (3) has a communication module (33) for communicating with one or more components of the HVAC system (5). The control apparatus comprises a passive NFC transponder (34), which is set up to receive and store a unique identifier (341) of each of the one or more components from a mobile service apparatus (2) before a power supply for the control apparatus (3) is switched on, and a control module (35) which is set up to access stored identifiers (341) after a power supply for the control apparatus (3) has been switched on and to transmit control signals to components determined by the identifiers via the communication module (33). The invention also relates to a mobile service apparatus (2) and to components in the form of drives (1), sensor apparatuses, regulators, operating devices and/or communication devices of the HVAC system (5).

A system of household appliances is configured to provide services according to user identity. The system includes a first appliance, a server or other network device, and a second appliance. The first appliance is configured to collect sensor data associated with an identity of a user. The server or other network device is configured to receive the sensor data from the first appliance and analyze the sensor data to determine the identity of the user. The second appliance is configured to provide a device function to the user based on the identity determined from the sensor data collected by the first appliance.