The present disclosure discloses a method for determining an abnormal device in a process of measuring energy of natural gas based on Internet of Things (IOT). The method may include obtaining a natural gas detection parameter detected by at least one detection device via a sense network platform in response to a query request; determining first energy data and second energy data by processing the natural gas detection parameter; determining whether the abnormal device exists by comparing the first energy data and the second energy data; in response to determining that the abnormal device exists, for each detection device, determining a probability that the detection device is abnormal based on related information of the detection device, the first energy data, and the second energy data; and determining the abnormal device based on the probability that the detection device is abnormal.

A method of locating a water resource includes taking a first electronic device within a predetermined radius of a water resource; and associating owner contact information and coordinate location data of the water resource to the water resource. An online database stores the coordinate location data of the water resource, the owner of the water resource, and the owner contact information received from the first electronic device. A second electronic device displays on an electronic map the coordinate location data of the water resource within an area of the electronic map. The user of the second electronic device is informed, after selection of the water resource, the name of the owner of the water resource, the owner contact information of the water resource, and the coordinate location data of the water resource.

A method for fluid flow measurement for a discrete area of a fluid supply network, where the fluid supply network includes a network of pipes that includes a main pipe for transporting fluid from a source into the fluid supply network for delivery to consumers, wherein the main pipe crosses a boundary between the discrete area and a further area of the fluid supply network, which is outside of the discrete area, and a plurality of distribution pipes each transport fluid from the main pipe to a consumer, where fluid pressure and the fluid consumption on at least two selected key metering points located inside and outside of the discrete area are measured, and where the fluid pressure and the fluid consumption measured on these selected key metering points the fluid flow in the main pipe that crosses the boundary of the discrete area is calculated.

A fluid flow meter with configuration of flow generation and flow sensor is intended for measuring a flow rate of working fluid (a gas or a liquid) passing through an inner cavity. The meter is a compact measuring apparatus of a small size, resistant to disturbances and distortions in the structure of the measured fluid flow. The fluid flow meter with configuration of flow generation and flow sensor is comprised of the following components: a housing (1) having an inner chamber (2) and a depression (3) configured to generate the flow; a flow sensor (4) arranged inside the housing (1) of the gas meter for measuring the flow velocity of the fluid; an adapter (5) to adjust different diameters of flow sensors and an outlet of the meter; a flow preparation device (6) intended for dissipating and stabilizing the flow of the fluid; an inlet (7) of the flow of the measured fluid; an outlet (8) for fluid flow out of the meter; an electronics unit (9); a coarse filter (10); a shut-off valve (11); a fluid leak detection sensor (12).

A fluid flow meter with configuration of flow generation and flow sensor is intended for measuring a flow rate of working fluid (a gas or a liquid) passing through an inner cavity. The meter is a compact measuring apparatus of a small size, resistant to disturbances and distortions in the structure of the measured fluid flow. The fluid flow meter with configuration of flow generation and flow sensor is comprised of the following components: a housing (1) having an inner chamber (2) and a depression (3) configured to generate the flow; a flow sensor (4) arranged inside the housing (1) of the gas meter for measuring the flow velocity of the fluid; an adapter (5) to adjust different diameters of flow sensors and an outlet of the meter; a flow preparation device (6) intended for dissipating and stabilizing the flow of the fluid; an inlet (7) of the flow of the measured fluid; an outlet (8) for fluid flow out of the meter; an electronics unit (9); a coarse filter (10); a shut-off valve (11); a fluid leak detection sensor (12).

A system is provided for tracking, in a distributed water infrastructure, water usage by category. The system may comprise at least one processor configured to receive from at least one sensor associated with the distributed water infrastructure signals indicative of water usage in the distributed water infrastructure. The system may, based on the signals indicative of water usage, construct a plurality of profiles. The system may assign each profile to one of a plurality of water usage categories. The system may collect, from the at least one sensor, signals indicative of water usage for substantially all water delivered through the distributed water infrastructure in a time period. The system may construct a plurality of water usage profiles in the aggregate, encompassing substantially all water delivered through the distributed water infrastructure in the time period. The system may assign each constructed water usage profile to one of the plurality of water usage categories. The system may output, for display, water usage for the time period for each of the plurality of water usage categories.

A system is provided for tracking usage of a plurality of water appliances in a distributed water infrastructure. The system may comprise at least one processor configured to receive, from a location in the distributed water infrastructure upstream of the plurality of water appliances, historical water usage measurements; determine from the historical water usage measurements at least one unique water usage signature associated with each of the plurality of water appliances; receive, from the location in the distributed water infrastructure upstream of the plurality of water appliances, current water usage measurements; determine from the current water usage measurements at least one current water usage signature; compare the current water usage signature with at least one of the unique water usage signatures stored in memory to determine a match; and, based on the signature match, ascertain an identifier of a water appliance in current use.

An apparatus is provided and includes a rotary encoder that comprises a stator, a rotor, and a controller. The stator has an opening adapted to surround a first portion of a rotatable shaft, a transmit region, and a receive region. The rotor has an opening adapted to surround a second portion of the rotatable shaft, an annular conductive region, and at least one conductor electrically coupled with the annular conductive region. The controller has an input coupled to the receive region and has an output coupled to the transmit region. The controller is configured to transmit a first signal on the output of the controller and to the transmit region of the stator, receive a second signal on the input of the controller and from the receive region of the stator, and determine, based on the second signal, a proximity of the at least one conductor to the receive region.

Disclosed is a method for detecting domestic hot water use by a sanitary fitting during an observation period by analysing data relative to volumes of water passing through a water meter, the method including: receiving a first item of data, noted V1, representing the maximum volume of fluid measured over a predetermined period, preferably equal to 5 minutes; receiving a second item of data, noted V2, representing the maximum volume of fluid measured by the meter during another predetermined period, preferably equal to 15 minutes; and detecting that domestic hot water has been used when V1>15 litres and V220 litres.

Disclosed is a method for detecting domestic hot water use by a sanitary fitting during an observation period by analysing data relative to volumes of water passing through a water meter, the method including: receiving a first item of data, noted V1, representing the maximum volume of fluid measured over a predetermined period, preferably equal to 5 minutes; receiving a second item of data, noted V2, representing the maximum volume of fluid measured by the meter during another predetermined period, preferably equal to 15 minutes; and detecting that domestic hot water has been used when V1>15 litres and V220 litres.