SYSTEMS AND METHODS FOR IMPLEMENTING ENVIRONMENTAL CONDITION CONTROL, MONITORING AND ADJUSTMENT IN ENCLOSED SPACES

• US 20140257575A1
• Filed: 03/07/2014
• Published: 09/11/2014
• Est. Priority Date: 03/11/2013
• Status: Abandoned Application

• Current Assignee: Lars Energy Analytics Llc
• Original Assignee: Energy Efficient Technologies LLC
• Inventors: ROY, Randel E.
• Application Number:
  US14/201,774
• Publication Number:
  US 20140257575A1
• Time in Patent Office: Days
• US Class Current: 700/276
• CPC Class Codes: G05D 23/1917 using digital means

Abstract

A system and method are provided for implementing business and operational intelligence for building owners or operators regarding energy use by climate control systems in the building. Integrated monitoring, analysis, adjustment and control are provided regarding (1) operation of environmental condition control systems; (2) operating efficiency factors associated with the environmental condition control systems; (3) operating efficiency factors associated with support components, including ducting, supporting the environmental condition control systems; and (4) operating efficiency factors associated with the operating envelope of the structures within which the environmental condition control systems are operated, including building envelope inefficiencies, operating inefficiencies, and airflow inefficiencies. The disclosed schemes accumulate data at various points in an HVAC system, HVAC system ductwork and throughout an environmentally-controlled portion of the building to support analysis of system and envelope inefficiencies.

Claims

1. A climate control monitoring system, comprising:

a first plurality of sensors positioned to sense environmental parameters of at least a first one of a climate control system, climate control ducting and a building supported by the climate control system;

a second plurality of sensors positioned to sense environmental parameters of at least a second one of the climate control system, the climate control ducting and the building supported by the climate control system;

a processor in communication with the first plurality of sensors and the second plurality of sensors, the processor being programmed to

obtain signals from the first plurality of sensors and the second plurality of sensors corresponding to the sensed environmental parameters; and

calculate an efficiency of at least two of the climate control system, the climate control ducting and an envelope of the building.

2. The climate control monitoring system of claim 1, further comprising an output device, the processor being further programmed to output a result of the calculation to a user via the output device.

3. The climate control monitoring system of claim 1, further comprising a storage device that stores a result of the calculation.

4. The climate control monitoring system of claim 1, at least one of the first plurality of sensors and the second plurality of sensors including a temperature sensor, a humidity sensor, a pressure sensor and a current sensor.

5. The climate control monitoring system of claim 1, the processor being further programmed to calculate the efficiency of the climate control system by

determining a rate of electrical consumption of the climate control system as energy into the climate control system;

determining a change in temperature between return air recovered from the structure and supply air provided to the structure after being conditioned by the climate control system as energy out of the climate control system; and

expressing the efficiency of the climate control system as a ratio of the energy into the climate control system and the energy out of the climate control system.

6. The climate control monitoring system of claim 1, the processor being further programmed to calculate the efficiency of the climate control ducting by

measuring a first temperature of air entering an upstream end in an air flow direction of at least one of a supply duct and a return duct;

measuring a second temperature of air exiting a downstream end in the air flow direction of the at least one of a supply duct and the return duct;

determining a duct change in temperature between the first temperature and the second temperature;

determining an overall change in temperature between the return air recovered from the structure and supply air provided to the structure after being conditioned by the climate control system; and

expressing the efficiency of the climate control ducting as a ratio of the duct change in temperature and the overall change in temperature.

7. The climate control monitoring system of claim 1, the processor being further programmed to calculate the efficiency of the envelope of the building by

calculating a rate of total cooling or heating delivered to the building;

calculating a heat load generated by operations within the building based on a rate of energy consumption in the building;

determining environmental losses attributable to the envelope of the building as a difference in the above calculations; and

expressing the efficiency of the envelope of the building as a ratio of the determined environmental losses to the calculated rate of total cooling or heating.

8. The climate control monitoring system of claim 7, the processor being further programmed to calculate the efficiency of the envelope of the building separately for periods when the building is occupied and when the building is unoccupied.

9. The climate control monitoring system of claim 1, further comprising a third plurality of sensors,

the first plurality of sensors being positioned to sense the environmental parameters of the climate control system,

the second plurality of sensors being positioned to sense the environmental parameters of the climate control ducting, and

the third plurality of sensors being positioned to sense the environmental parameters of the building supported by the climate control system,

the processor being further programmed to

obtain signals from the third plurality of sensors corresponding to the sensed environmental parameters;

and

calculate an efficiency of the climate control system, the climate control ducting and an envelope of the building.

10. The climate control monitoring system of claim 9, the second plurality of sensors consisting of sensors that are different from the first plurality of sensors, and the third plurality of sensors consisting of sensors that are different from the first plurality of sensors and the second plurality of sensors.

11. A method for determining a climate control efficiency in a building, comprising:

positioning a first plurality of sensors to sense environmental parameters of at least a first one of a climate control system, climate control ducting and a building supported by the climate control system;

positioning a second plurality of sensors to sense environmental parameters of at least a second one of the climate control system, the climate control ducting and the building supported by the climate control system;

establishing communication between a processor and (1) the first plurality of sensors and (2) the second plurality of sensors;

obtaining, with the processor, signals from the first plurality of sensors and the second plurality of sensors corresponding to the sensed environmental parameters;

calculating, with the processor, an efficiency of at least two of the climate control system, the climate control ducting and an envelope of the building based on the obtained signals; and

outputting a result of the calculation to a user.

12. The method of claim 11, further comprising storing the result of the calculation in a data storage device.

13. The method of claim 11, at least one of the first plurality of sensors and the second plurality of sensors including a temperature sensor, a humidity sensor and a current sensor.

14. The method of claim 11, further comprising calculating the efficiency of the climate control system by

receiving, with the processor, a first signal based on electrical power directed to the climate control system;

determining, with the processor, a rate of electrical consumption of the climate control system based on the received first signal as energy into the climate control system;

receiving, with the processor, second signals based on measured temperatures of return air recovered from the building and supply air provided to the building after being conditioned by the climate control system;

determining, with the processor, a change in temperature between the return air recovered from the building and the supply air provided to the building after being conditioned by the climate control system as energy out of the climate control system; and

expressing the efficiency of the climate control system as a ratio of the energy into the climate control system and the energy out of the climate control system.

15. The method of claim 11, further comprising calculating the efficiency of the climate control ducting by

measuring, with an inlet temperature sensor, a first temperature of air entering an upstream end in an air flow direction of at least one of a supply duct and a return duct;

measuring, with an outlet temperature sensor, a second temperature of air exiting a downstream end in the air flow direction of the at least one of a supply duct and the return duct;

determining, with the processor, a duct change in temperature between the first temperature and the second temperature;

determining, with the processor, an overall change in temperature between the return air recovered from the building and supply air provided to the building after being conditioned by the climate control system; and

expressing the efficiency of the climate control ducting as a ratio of the duct change in temperature and the overall change in temperature.

16. The method of claim 11, further comprising calculating the efficiency of the envelope of the building by

calculating, with the processor, a rate of total cooling or heating delivered to the building;

calculating, with the processor, a heat load generated by operations within the building based on a rate of energy consumption in the building;

determining, with the processor, environmental losses attributable to the envelope of the building as a difference in the above calculations; and

expressing the efficiency of the envelope of the building as a ratio of the determined environmental losses to the calculated rate of total cooling or heating.

17. The method of claim 16, further comprising calculating the efficiency of the envelope of the building separately for periods when the building is occupied and when the building is unoccupied.

18. The method of claim 11, further comprising

positioning the first plurality of sensors to sense the environmental parameters of the climate control system;

positioning the second plurality of sensors to sense the environmental parameters of the climate control ducting, and

positioning a third plurality of sensors to sense the environmental parameters of the building supported by the climate control system;

obtaining, with the processor, signals from the third plurality of sensors corresponding to the sensed environmental parameters; and

calculating, with the processor, the efficiency of the climate control system, the climate control ducting and the envelope of the building.

19. The method of claim 18, further comprising:

analyzing the efficiency of the climate control system, the climate control ducting and the envelope of the building;

determining corrective measures to increase efficiency based on the analysis; and

providing to the user a report on the determined corrective measures.

20. The method of claim 18, the second plurality of sensors consisting of sensors that are different from the first plurality of sensors, and the third plurality of sensors consisting of sensors that are different from the first plurality of sensors and the second plurality of sensors.