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Thermostat with overcurrent management

An overcurrent, current technology used in the field of thermostats

Active Publication Date: 2019-11-05
SIEMENS SWITZERLAND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the overcurrent protection circuit breaks connectivity to the control output based solely on detection of overcurrent by hardware components without management of the overcurrent problem noted above

Method used

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  • Thermostat with overcurrent management
  • Thermostat with overcurrent management
  • Thermostat with overcurrent management

Examples

Experimental program
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Embodiment Construction

[0014] The present disclosure relates generally to environmental monitoring and control systems, and more particularly to an environmental control device, such as a "thermostat," configured to detect and control temperature within a building associated with an HVAC system conditions and offers the following advantages and technical solutions: overcurrent management of connections to HVAC systems (such as class 2 transformers, switched control signals) to suppress damage to environmental control equipment, avoid nuisance trips to manual reset with HVAC system associated power distribution circuitry and identify corresponding service issues with stuck relays or switches used to control managed connections to the HVAC system.

[0015] A block diagram of an exemplary embodiment of an environmental control device or thermostat 100 is at figure 1 is shown as employed in or with a building automation system (BAS) 10 consistent with the present invention for detecting and controlling ...

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PUM

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Abstract

An environmental control equipment (100, 200), such as the thermostat.The environmental control equipment (100, 200, 200) has one or more terminals (104, 104a‑104i) that connects to the HVAC system (14) and when it is connected to the HVAC system (14), the terminal (104, 104,104a‑104i) over current management.

Description

technical field [0001] The present disclosure is directed generally to thermostats, and more particularly to thermostats with overcurrent management connected to a control output of an HVAC system. Background technique [0002] Thermostats and other temperature control devices are utilized in residential and commercial environments to control and regulate environmental conditions within buildings. For example, a thermostat control device can regulate the temperature and airflow provided by a residential or commercial heating, ventilation, and air conditioning (HVAC) system. HVAC systems typically have the control circuits required to power them through a National Electrical Code (NEC) Class 2 power source with a corresponding circuit breaker or current limiting protection circuit. Where larger transformers (i.e. not in accordance with Class 2 power sources) or circuit breakers are not provided in or with the HVAC system, excessive and potentially dangerous current may be ex...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/88F24F11/61
CPCF24F11/30F24F2140/50F24F11/89F24F11/58F24F11/61F24F11/52F24F11/64G05D23/1902H01H85/0241
Inventor 厉佩金丁战军W.J.芬斯克M.S.舒勒
Owner SIEMENS SWITZERLAND