Abstract:
A sensor which encompasses at least one sensing element for recording at least one measured quantity. The sensor also has one sensor body for holding the sensing element. The sensing element has at least one connecting lead. The sensor has a modular design and includes a contacting module, whose design is separate from that of the sensor body, for electrically contacting the sensing element. The contacting module has at least one connecting element and at least one connector contact pin, the connector contact pin being surrounded in at least one connection region by the connecting element. The connector contact pin is electrically connected to the connecting lead.
Abstract:
A monitoring system for monitoring operation of a refrigerant-cycle system is disclosed. A plurality of sensors measure operating characteristics of the refrigerant-cycle system. The refrigerant-cycle system includes a condenser unit and an evaporator unit. The condenser unit includes a condenser and a compressor. The evaporator unit includes an evaporator and a fan. A processing system receives the measurements from the plurality of sensors and outputs data regarding operation of the refrigerant-cycle system to a remote monitoring system.
Abstract:
A monitoring system for monitoring operation of a refrigerant-cycle system is disclosed. An electrical sensor measures an electrical quantity indicative of power consumption of a component of the refrigerant-cycle system. A processing system selectively identifies a condition indicative of an airflow restriction through the refrigerant-cycle system based on the power consumption of the component.
Abstract:
A printed board arranged within an upper case and having a hole, a partition portion arranged within the upper case so as to be substantially orthogonal to the printed board and provided with a cut, and a temperature sensor arranged within the upper case and having a covered wire, a soldered portion provided at an end of the covered wire, and a temperature detection portion provided at another end of the covered wire, are provided. The temperature sensor is fixed such that the soldered portion is soldered to a surface of the printed board, the covered wire is inserted through the hole and engaged with the cut to be fixed, and the temperature detection portion is located near an inner surface of the upper case.
Abstract:
A pressure sensor includes: a detection device for ascertaining air pressure and temperature; a computing unit; and a wireless interface. With the aid of the wireless interface, the pressure sensor data which represent a flow state in the surroundings of the pressure sensor are transferred wirelessly to a central control device. With the aid of the central control device, final control elements of a ventilation device are set.
Abstract:
A system and method for evaluating parameters for a refrigeration system having a variable speed compressor is provided. A compressor is connected to a condenser and an evaporator. A condenser sensor and an evaporator sensor are provided. An inverter drive modulates a frequency of electric power delivered to the compressor to modulate a speed of the compressor. A monitor module receives compressor power data and compressor speed data from the inverter drive, determines a measured condenser temperature based on the condenser signal, determines a measured evaporator temperature based on the evaporator signal, calculates a first derived condenser temperature based on the compressor power data and the compressor speed data, calculates a second derived condenser temperature based on the measured evaporator temperature, the compressor power data and the compressor speed data, and compares the measured condenser temperature with the first and second derived condenser temperatures to determine whether any of the measured condenser temperature and the first and second derived condenser temperatures are inaccurate.
Abstract:
A system and method is presented for a multi-sensor component for an HVAC system. The multi-sensor component includes a sensor assembly, having one or more detectors, including a plurality of temperature detectors operable to measure a temperature of an object or a medium, a presence detector operable to detect the presence of the object or medium, and a pressure detector operable to measure a pressure of the medium. The multi-sensor component also includes a sensor monitor operably coupled to the detectors of the sensor assembly and configured to use a detection algorithm operable to detect one or more of the temperature, pressure and presence of the object or medium, the sensor monitor configured to verify a health of the one or more detectors of the sensor assembly, and also includes a sensor housing or thermo-well or combination thereof having the sensor assembly and the sensor monitor affixed therein.
Abstract:
A method and system are provided for medium-range probabilistic prediction of extreme temperature events. Extreme temperatures are measured according to how local temperature thresholds are exceeded on daily timescales to generate a local “Magnitude Index” (MI). A regional MI reflecting the historic temperature intensity, duration and spatial extent of extreme temperature events over all locations within the region is then computed. The regional MI is used to create a synoptic catalog for each of one or more pre-defined weather variables by testing the significance of leading modes in historic atmospheric variability across specified periods of time. Current or recent weather conditions are compared against the synoptic catalog to generate probabilistic predictions of extreme temperature events based the presence of synoptic precursors identified in historic patterns.
Abstract:
Hourly CO2 concentration, amount of solar radiation, and plant distribution information are calculated through observation from predetermined satellites. A concentration of CO2 absorbed by plant-chlorophyll per each time unit is calculated. By adding up the CO2 concentration on the earth and the concentration of CO2 absorbed by the plant-chlorophyll, a CO2 concentration obtained provided that no plant-chlorophyll exist is calculated for a certain period. Thereafter, a mean concentration of CO2 that is absorbed according to changes in the distribution of plant-chlorophyll is calculated on the basis of a monthly mean solar radiation amount and plant-chlorophyll distribution information. By subtracting the CO2 concentration, which is a mean, from the total CO2 concentration, a CO2 concentration, which is a normal, is calculated.
Abstract:
A duct mounted environmental sensing unit includes a plurality of sensors for detecting respective parameters of a fluid in a duct. The sensing unit enables at least three sensors to make contact with the fluid through a single insertion point in the duct.