Valve controller for hot water heating system

• US 5,294,051 A
• Filed: 06/25/1992
• Issued: 03/15/1994
• Est. Priority Date: 04/26/1991
• Status: Expired due to Term

• Current Assignee: General Electronic Engineering, Inc. (General Electronic Enterprises, Inc.)
• Original Assignee: General Electronic Engineering, Inc. (General Electronic Enterprises, Inc.)
• Inventors: Piegari, William A.
• Primary Examiner(s): BENNETT, HENRY A
• Application Number:
  US07/904,873
• Time in Patent Office: 628 Days
• Field of Search: 237/8 R, 236/91 E, 165/39, 165/40, 364/557
• US Class Current: 237/8.00R
• CPC Class Codes: F24D 19/1015 using a valve or valves
• CPC Class Codes: G05D 23/1917 using digital means

Abstract

A valve controller for a hot water heating system having a water heating device, a water circulating device, and heater device. The Controller operates a water control valve between an open and a closed position, the valve controller comprising, a flow timer for variably establishing flow periodicity between a minimum flow time and a maximum flow time, a base cycle timer for variably establishing base cycle periodicity between a minimum base time and a maximum flow time. The base timer variably establishes a base cycle periodicity between a minimum base time and a maximum base time. A selector responsive to heat requirements for select a flow time and base cycle time.

Claims

1. A valve controller for a hot water heating system having water heating means, water circulating means, and heater means by operating a water control valve between an open and a closed position, said valve controller comprising:

flow timer means for variably establishing flow periodicity between a minimum flow time and a maximum flow time;

base cycle timer means for variably establishing base cycle periodicity between a minimum base time and a maximum base time; and

,

selector means responsive to heat requirement for selecting flow time and base cycle time.

2. A valve controller for a hot water heating system as described in claim 1, wherein maximum flow time and minimum base time are equal and, when expressed in percentage of full cycle time, the control valve is operable in a continuously variable manner from a minimum percentage of full cycle time, derived by:

##EQU2## to 100% of full cycle time.

3. A valve controller for a hot water heating system described in claim 2 wherein the minimum flow time is 1 minute and the maximum flow time is 5 minutes.

4. A valve controller for a hot water heating system as described in claim 3 wherein the minimum base time is 5 minutes and the maximum base time is 20 minutes and whereby said water control valve is continuously and variable controllable to said open position from 5% to 100% of full cycle time.

5. A valve controller for a hot water heating system as described in claim 3 wherein the minimum base time is 5 minutes and the maximum base time is 10 minutes and whereby said water control valve is continuously and variably controllable to said open position from 10% to 100% of full cycle time.

6. A valve controller for a hot water heating system as described in claim 2 wherein the minimum flow time is 1.5 minutes and the maximum flow time is 5 minutes.

7. A valve controller for a hot water heating system as described in claim 6 wherein the minimum base time is 5 minutes and the maximum base time is 20 minutes and whereby said water control valve is continuously and variably controllable to said open position from 7.5% to 100% of full cycle time.

8. A valve controller for a hot water heating system as described in claim 6 wherein the minimum base time is 5 minutes and the maximum base time is 10 minutes and whereby said water control valve is continuously and variably controllable to said open position from 15% to 100% of full cycle time.

9. A valve controller for a hot water heating system in a building having a determined heat loss characteristic and a heating system therefor including water heater means, water circulating means, and heater means for supplying variable amounts of heat thereto, said water circulating means including a water control valve, said valve controller comprising in combination:

first environmental condition sensing means for sensing the outdoor temperature, said means providing a first derived control signal in response thereto;

controller means for controlling the flow of heated circulating water in response to the monitored first environmental condition, said first valve controller means, in turn, comprising;

flow timer means for variably establishing flow periodicity between a minimum flow time and a maximum flow time;

base cycle timer means for variably establishing base cycle periodicity between a minimum base time and a maximum base time; and

,

selector means responsive to heat requirement for selecting flow time and base cycle time; and

,

a valve operator means for operating, in response to said valve controller, said water control valve between an open position and a closed position.

10. A valve controller for a hot water heating system as described in claim 9, wherein said system further includes at least one second environmental condition sensing means for sensing a parameter selected from wind effect, solar radiation effect, other boundary layer disturbances, and the combined effect of two or more thereof;

and, electronic control means setting said selector means from one balanced level to another in response to changes in the outside environmental conditions as sensed by first and said second environmental condition sensing means.

11. A valve controller for a hot water heating system as described in claim 10, wherein said controller means includes:

said water temperature sensing means for sensing the water temperature at said perimeter heater means; and

,

proportioning valve controller to maintain amount of heat at perimeter heater means substantially constant for substantially constant outdoor temperature and correspondingly changing the amount of heat in cooperative functional relationship with said zone compensation means.

12. A valve controller for a hot water heating system as described in claim 11 wherein said first derived control signal is proportionate to the calculated building heat loss characteristic.

13. A valve controller for a hot water heating system as described in claim 10 wherein said second environmental condition sensing means provides and is responsive to a second derived control signal.

14. A valve controller for a hot water heating system as described in claim 13 wherein said second derived control signal is in part a signal proportionate to the calculated building heat loss characteristic.

15. A valve controller for a hot water heating system as described in claim 9, wherein the minimum flow time is 1.5 minutes and the maximum flow time is 5 minutes.

16. A valve controller for a hot water heating system as described in claim 9 wherein the minimum base time is 5 minutes and the maximum base time is 20 minutes and whereby said water control valve is continuously and variably controllable to said open position form 7.5% to 100% of full cycle time.

17. A valve controller for a hot water heating system as described in claim 16, wherein the minimum base time is 5 minutes and the maximum base time is 10 minutes and whereby said water control valve is continuously and variably controllable to said open position from 15% to 100% of full cycle time.