Abstract:
A system and method of providing automatic temperature control to apply cold treatment to harvested produce that is being transported between jurisdictions. The method includes steps that iteratively transition between declining cooling temperatures and that transition between difference sets of cold treatment rules in pursuit of a compliance with cold treatment criteria while also pursuing energy efficiency.
Abstract:
A method and system for supplementing a conventional temperature-controlled on-cycle for an HVAC unit with a complementary timer- controlled circuit that produces a programmed series of supplemental on-cycles of short duration for the HVAC unit during the conventional off-cycle is provided according to the invention. The purpose of such supplemental on-cycles for the HVAC unit is not to cool or heat the air, but instead to introduce some fresh incoming air into the interior space that has been conditioned to enhance the comfort quality characteristics of the interior air (e g, humidity level, freshness) to reduce the stagnant quality of the air. The short duration of these supplemental on-cycles should ensure that the HVAC system does not run long enough to cool or heat the interior air beyond the desired temperature set point. Such supplemental burst cycles may be programmed in series through the control, or manually produced by the user.
Abstract:
A method and system for supplementing a conventional temperature-controlled on-cycle for an HVAC unit with a complementary timer-controlled circuit that produces a programmed series of supplemental on-cycles of short duration for the HVAC unit during the conventional off-cycle is provided according to the invention. The purpose of such supplemental on-cycles for the HVAC unit is not to cool or heat the air, but instead to introduce some fresh incoming air into the interior space that has been conditioned to enhance the comfort quality characteristics of the interior air (e.g., humidity level, freshness) to reduce the stagnant quality of the air. The short duration of these supplemental on-cycles should ensure that the HVAC system does not run long enough to cool or heat the interior air beyond the desired temperature set point. Such supplemental burst cycles may be programmed in series through the thermostatic control, or manually produced by the user on command.
Abstract:
Programming system applicable to a heater such as a gas-fire. A timer (1) is connected to a power supply source (2) and, in turn, is asscociated with first actuation means (3) generating a temperature having an influence on second receiver means (4) sensitive to said temperature, and through which are activated the conventional means (6) for the internal operation of a wall radiator (5). The invention permits the selection of period of operation of the radiator corresponding to habitability periods of the house or the like.
Abstract:
A temperature derivative sensing and regulating device and method is described which facilitates the maintainance of a very stable isothermal environment for an item, apparatus or facility or a constant rate of temperature change. The device comprises a block (6) of material having no internal heat sources, a thermal conductivity greater than 100 Wm K and a specific heat capacity greater than 400JK kg . The block (6) is surrounded by means for measuring the heat flow to and from the block (6) and the device is further provided with means for generating a signal proportional to said heat flow and means for interfacing with the controller of a heating or cooling means associated with the item, apparatus or facility.
Abstract translation:描述了一种温度导数感测和调节装置和方法,其有助于维持物品,设备或设施的非常稳定的等温环境或恒定的温度变化率。 该装置包括不具有内部热源的材料块(6),大于100Wm -1K的导热系数和大于400JK -1 kg kg的比热容。 块(6)被用于测量往返于块(6)的热流的装置包围,并且该装置还设置有用于产生与所述热流成比例的信号的装置,以及用于与控制器进行加热或 与物品,设备或设施相关联的冷却装置。
Abstract:
A sauna operational state control system has a controller comprising an I/O interface interfacing a heater, a state controller configurable in a plurality of sauna operational states including standby and heating states and a heater controller which operably controls the heater via the I/O interface. The state controller is configured to receive schedule data, calculate a session start time according to the schedule data, calculate a heating time period, and calculate a heating time period start time according to the session start time and the heating time period. The state controller monitors time and, at the heating time period start time, enters the heating state wherein the heater controller operates the heater. As such, the present state controller allows for time-based anticipatory operational state control of a sauna including ensuring reaching of temperature setpoint parameters.
Abstract:
A system of interlocks for controlling flow of low temperature process streams in a manufacturing process through a cold box to equipment not specified for such temperatures by opening and closing valves and stopping pumps. At least one interlock affects streams heated in the cold box. At least one interlock affects the streams cooled in the cold box. The interlocks are activated due to temperature determinations of process lines by temperature sensors and automatically send a signal to predetermined controllers depending on the process line with the low temperature in order to prevent exposure of equipment to low temperatures while preventing the shutdown of the cold box.
Abstract:
Method for controlling the indoor temperature in a property comprising an existing system (210) for regulating the said indoor temperature, which system is arranged to bring a heat- or cold medium past a heating- or cooling radiator (221,231) which in turn is arranged to heat or cool the indoor air in the property by transferring thermal energy between the heat- or cold medium and the indoor air, and whereby the existing system is arranged to read the temperature of the medium via at least one input for a signal representing a measured temperature of the medium at a certain measurement location (212,213,214,215,216,217) along the path of the medium through the system. The invention is characterised in that the method comprises the steps a) determining a desired instantaneous heating- or cooling power which it is desired for the system to emit to the indoor air of the property; b) based upon knowledge of the properties of the system and used control algorithm, calculating a fictitious temperature as the fictitiously measured temperature of the medium at the said measurement location that would give rise to the desired instantaneous power; and c) feeding to the said input a signal representing the fictitious temperature.