Thermal balance temperature control system

a temperature control system and temperature control technology, applied in the field of temperature control systems, can solve the problems of unneeded energy costs, shortening the life of the unit, increasing the maintenance cost of the unit, etc., and achieve the effects of reducing the excess cycling of components, eliminating/reducing undesirable temperature swings in the regulated environment, and eliminating/reducing the utilization of unneeded excess capacity

Inactive Publication Date: 2005-04-28
SIEMENS BUILDING TECHNOLOGIES
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Benefits of technology

[0015] As a result, the present invention provides a dynamic real time temperature control system which directly regulates the BTU output of an HVAC package to balance such output with the sensible thermal load being measured in

Problems solved by technology

More to the point, those skilled in the art will appreciate that “time cycling” prevents a system from operating in a “real time” mode, and often allows undesirable temperature swings, as well as inefficient operation of the individual components.
This inefficient operation can include the operation of excess cooling/heating capacity (resulting in unneeded energy costs) and excess cycling of the systems components (resulting in the shortening of the life of the unit and/or an increase in maintenance of such unit).
In fact, the prior ar

Method used

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Embodiment Construction

[0022] As discussed more fully hereinbelow, the present invention is directed to a method and apparatus for controlling a temperature-regulated zone utilizing a thermal balance temperature control system. The thermal balance control system is a dynamic real time control system that constantly measures the sensible thermal load in the mentioned zone, and directly regulates the BTU output of the HVAC package to balance such output with the measured sensible thermal load, thus providing a state of system equilibrium. The system will continue to operate in this equilibrium state (without time cycling of any heating / cooling components) until the system measures a change in the sensible thermal load within the mentioned zone.

[0023] The sensible thermal load is the amount of deviation (measured in degrees) between the set point temperature for the zone and the actual zone temperature. When the actual room temperature is above the set point temperature, the sensible thermal load is a cooli...

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Abstract

A method and apparatus for controlling a temperature-regulated zone utilizing a thermal balance temperature control system. The thermal balance control system is a dynamic real time control system that measures the sensible thermal load in the zone, and directly regulates the BTU output of the HVAC package to balance such output with the measured sensible thermal load.

Description

[0001] This application claims the benefit of U.S. Provision Application Ser. No. 60 / 512,410 filed on Oct. 17, 2003.BACKGROUND OF THE INVENTION [0002] The present invention relates to a temperature control system and, more particularly, to a system which directly regulates the system output to balance such output with the sensible thermal load. [0003] Heating, ventilating and air-conditioning (HVAC) systems are used to both heat and cool the air within an enclosure, e.g., a building or zone within such building. An HVAC system typically includes a heating unit, a cooling unit, a supply air fan, a supply duct for directing air into the enclosure, and a return duct for removing air from the enclosure. It will be appreciated by those skilled in the art that HVAC systems are generally designed to operate in one of three modes: a heating mode to heat the enclosure, a cooling mode to cool the enclosure and a economizer mode to ventilate the enclosure. The economizer mode typically utilize...

Claims

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Application Information

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IPC IPC(8): F24F3/044F24F11/00G01K17/04
CPCF24F3/044F24F11/0012Y02B30/767F24F2011/0046F24F11/006F24F11/30F24F2110/10F24F2140/50F24F11/62F24F11/46F24F11/70
Inventor ATTRIDGE, RUSSELL G.
Owner SIEMENS BUILDING TECHNOLOGIES
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