CA2633121A1 - Simplified user interface and graduated response in a programmable baseboard thermostat incorporating an occupancy sensor - Google Patents
Simplified user interface and graduated response in a programmable baseboard thermostat incorporating an occupancy sensor Download PDFInfo
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- CA2633121A1 CA2633121A1 CA002633121A CA2633121A CA2633121A1 CA 2633121 A1 CA2633121 A1 CA 2633121A1 CA 002633121 A CA002633121 A CA 002633121A CA 2633121 A CA2633121 A CA 2633121A CA 2633121 A1 CA2633121 A1 CA 2633121A1
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- occupancy
- temperature
- thermostat
- thermostat control
- user
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1902—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value
- G05D23/1904—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value variable in time
Abstract
A thermostat system which incorporates a mechanism for detecting occupancy in a room or area in which a programmable thermostat is located when combined with a simple user programming facility provides the ability for establishing user programmable time-based thermostat control sequences that can reduce energy usage while still providing for comfort. The inclusion of a mechanism for detecting occupancy in the programmable thermostat increases the convenience and efficiency of operation by allowing a thermostat program to normally run in a user specified time-based temperature sequence mode, and then to have that mode of normal operation preempted when conditions of detected occupancy change. When the occupancy sensor is a motion detector, further enhancement to determining a setpoint temperature by the thermostat system can be made by utilizing an estimation of level of activity in a room based upon the frequency at which motion is detected.
Claims (13)
1. A thermostat apparatus for controlling space conditioning equipment serving a conditioned space, running a thermostat control program for temperature setpoint determination, the apparatus comprising:
A) a temperature sensor connected for providing an electrical signal indicative of temperature of the conditioned space;
B) an occupancy sensor connected for providing a signal indicative of current occupancy of the conditioned space;
C) a thermostat control unit, running the thermostat control program, said thermostat control unit including:
1) a microprocessor;
A) a temperature sensor connected for providing an electrical signal indicative of temperature of the conditioned space;
B) an occupancy sensor connected for providing a signal indicative of current occupancy of the conditioned space;
C) a thermostat control unit, running the thermostat control program, said thermostat control unit including:
1) a microprocessor;
2) a memory operatively coupled to said microprocessor for storing a thermostat control program and data, and normal program information including at least one user desired temperature setting;
3) a real time clock accessible by the microprocessor for determining current time information;
4) an input/output unit operatively coupled to said microprocessor including:
a) a first sensor input connected for receiving the electrical signal indicative of temperature of the conditioned space from said temperature sensor;
b) a second sensor input connected for receiving the signal indicative of current occupancy of the conditioned space from said occupancy sensor;
c) a control output for issuing control signals to be used in controlling the space conditioning equipment;
d) an output connection to the display providing data from the thermostat control program running on the microprocessor to the display; and e) an input connection from the user input mechanism for receiving user programming information;
D) a user input mechanism for entering:
1) a normal user program specifying a desired room temperature;
2) second user program information specifying a first modification for altering operation of the normal user program when the signal indicative of current occupancy is absent or not detected during a first measured period of time; and, 3) third additional user program information specifying a second modification to the operation of the normal user program after a second measured period of time, not necessarily different than the first measured period of time, during which the signal indicative of current occupancy has been absent;
F) the thermostat control program of the thermostat control unit being operative:
1) for calculating and maintaining a currently desired conditioned space temperature to be used in comparison with the electrical signal indicative of temperature of the conditioned space from the temperature sensor, and for issuing an output control signal to the space conditioning equipment for causing the conditioned space temperature to be brought closer to the currently desired value of conditioned space temperature;
2) for monitoring the second sensor input signal indicative of current occupancy and for determining a condition of occupancy when occupancy has been signaled in recent time less than said first measured period of time, and during this condition of occupancy the thermostat control program setting the currently desired value for conditioned space temperature to follow said normal user program;
3) when occupancy is not currently detected and has not been signaled for a time interval longer than the first measured period of time, this now defining a condition of assumed no occupancy, preempting the normal user program operation and modifying the setpoint temperature a single time with modification as specified by the second user program information in D)2);
4) when occupancy is not currently detected and has not been signaled for a time interval longer than the sum of the first and the second measured periods of time, further modifying the setpoint temperature a second single time as specified by the third additional user program information in D)3); and,
a) a first sensor input connected for receiving the electrical signal indicative of temperature of the conditioned space from said temperature sensor;
b) a second sensor input connected for receiving the signal indicative of current occupancy of the conditioned space from said occupancy sensor;
c) a control output for issuing control signals to be used in controlling the space conditioning equipment;
d) an output connection to the display providing data from the thermostat control program running on the microprocessor to the display; and e) an input connection from the user input mechanism for receiving user programming information;
D) a user input mechanism for entering:
1) a normal user program specifying a desired room temperature;
2) second user program information specifying a first modification for altering operation of the normal user program when the signal indicative of current occupancy is absent or not detected during a first measured period of time; and, 3) third additional user program information specifying a second modification to the operation of the normal user program after a second measured period of time, not necessarily different than the first measured period of time, during which the signal indicative of current occupancy has been absent;
F) the thermostat control program of the thermostat control unit being operative:
1) for calculating and maintaining a currently desired conditioned space temperature to be used in comparison with the electrical signal indicative of temperature of the conditioned space from the temperature sensor, and for issuing an output control signal to the space conditioning equipment for causing the conditioned space temperature to be brought closer to the currently desired value of conditioned space temperature;
2) for monitoring the second sensor input signal indicative of current occupancy and for determining a condition of occupancy when occupancy has been signaled in recent time less than said first measured period of time, and during this condition of occupancy the thermostat control program setting the currently desired value for conditioned space temperature to follow said normal user program;
3) when occupancy is not currently detected and has not been signaled for a time interval longer than the first measured period of time, this now defining a condition of assumed no occupancy, preempting the normal user program operation and modifying the setpoint temperature a single time with modification as specified by the second user program information in D)2);
4) when occupancy is not currently detected and has not been signaled for a time interval longer than the sum of the first and the second measured periods of time, further modifying the setpoint temperature a second single time as specified by the third additional user program information in D)3); and,
5) when the signal indicative of current occupancy is again detected, the thermostat control program of the thermostat control unit resuming and then again following the normal user program for determining temperature setpoint.
2. A user programmable thermostat apparatus for controlling space conditioning equipment serving a conditioned space, running a thermostat control program for temperature setpoint determination, the apparatus comprising:
A) a temperature sensor connected for providing an electrical signal indicative of temperature of the conditioned space;
B) an occupancy sensor connected for providing a signal indicative of current occupancy of the conditioned space;
C) a thermostat control unit, running the thermostat control program, said thermostat control unit including:
1) a microprocessor;
2) a memory operatively coupled to said microprocessor for storing a thermostat control program and data, and normal program information including at least one user desired temperature setting;
3) a real time clock accessible by the microprocessor for determining current time information;
4) an input/output unit operatively coupled to said microprocessor including:
a) a first sensor input connected for receiving the electrical signal indicative of temperature of the conditioned space from said temperature sensor;
b) a second sensor input connected for receiving the signal indicative of current occupancy of the conditioned space from said occupancy sensor;
c) a control output for issuing control signals to be used in controlling the space conditioning equipment;
d) an output connection to the display providing data from the thermostat control program running on the microprocessor to the display; and e) an input connection from the user input mechanism for receiving user programming information;
D) a user input mechanism for entering:
1) a normal user program specifying a plurality of user desired temperature settings each intended for invocation at a corresponding user specified time of day;
2) second further user program information specifying a first modification for altering operation of the normal user program when the signal indicative of current occupancy is absent or not detected during a first measured period of time; and, 3) third additional user program information specifying a second modification to the operation of the normal user program after a second measured period of time, not necessarily different than the first measured period of time, during which the signal indicative of current occupancy has been absent;
E) the thermostat control program of the thermostat control unit being operative:
1) for calculating and maintaining a currently desired conditioned space temperature to be used in comparison with the electrical signal indicative of temperature of the conditioned space from the temperature sensor, and for issuing an output control signal to the space conditioning equipment for causing the conditioned space temperature to be brought closer to the currently desired value of conditioned space temperature;
2) for monitoring the second sensor input signal indicative of current occupancy and for determining a condition of occupancy when occupancy has been signaled in recent time less than said first measured period of time, and during this condition of occupancy the thermostat control program setting the currently desired value for conditioned space temperature to follow said normal user program;
3) when occupancy is not currently detected and has not been signaled for a time interval longer than the first measured period of time, this now defining a condition of assumed no occupancy, preempting the normal user program operation and modifying the setpoint temperature a single time with modification as specified by the second further user program information in D)2);
4) when occupancy is not currently detected and has not been signaled for a time interval longer than the sum of the first and the second measured periods of time, further modifying the setpoint temperature a second single time as specified by third additional user program information in D)3); and, 5) when the signal indicative of current occupancy is again detected, the thermostat control program of the thermostat control unit resuming and then again following the normal user program for determining temperature setpoint.
3. The programmable thermostat apparatus of claim 2, wherein the space conditioning equipment to be controlled by the thermostat system is an electric heater and the thermostat system further includes:
A) an electronic switch connected so as to be gated by the control output of the input/output unit of the thermostat control unit, and used to gate house power for supply to the space conditioning equipment which is the electric heater.
4. The programmable thermostat apparatus of claim 2, wherein the space conditioning equipment to be controlled by the thermostat system is an electric baseboard heater and the thermostat system further includes:
A) an electronic switch connected so as to be gated by the control output of the input/output unit of the thermostat control unit, and then used to gate house power for supply to the space conditioning equipment which is the electric baseboard heater.
5. The programmable thermostat apparatus of claim 2 with said occupancy detector being a motion detector, further including:
A) thermostat control program analysis of the output from the motion detector to determine a level of activity indication based upon frequency of movement detected by the motion detector, and with said analysis being more than is necessary to distinguish between simple occupancy and no occupancy; and B) using the level of activity indication to effect determination of the currently desired conditioned space temperature.
2. A user programmable thermostat apparatus for controlling space conditioning equipment serving a conditioned space, running a thermostat control program for temperature setpoint determination, the apparatus comprising:
A) a temperature sensor connected for providing an electrical signal indicative of temperature of the conditioned space;
B) an occupancy sensor connected for providing a signal indicative of current occupancy of the conditioned space;
C) a thermostat control unit, running the thermostat control program, said thermostat control unit including:
1) a microprocessor;
2) a memory operatively coupled to said microprocessor for storing a thermostat control program and data, and normal program information including at least one user desired temperature setting;
3) a real time clock accessible by the microprocessor for determining current time information;
4) an input/output unit operatively coupled to said microprocessor including:
a) a first sensor input connected for receiving the electrical signal indicative of temperature of the conditioned space from said temperature sensor;
b) a second sensor input connected for receiving the signal indicative of current occupancy of the conditioned space from said occupancy sensor;
c) a control output for issuing control signals to be used in controlling the space conditioning equipment;
d) an output connection to the display providing data from the thermostat control program running on the microprocessor to the display; and e) an input connection from the user input mechanism for receiving user programming information;
D) a user input mechanism for entering:
1) a normal user program specifying a plurality of user desired temperature settings each intended for invocation at a corresponding user specified time of day;
2) second further user program information specifying a first modification for altering operation of the normal user program when the signal indicative of current occupancy is absent or not detected during a first measured period of time; and, 3) third additional user program information specifying a second modification to the operation of the normal user program after a second measured period of time, not necessarily different than the first measured period of time, during which the signal indicative of current occupancy has been absent;
E) the thermostat control program of the thermostat control unit being operative:
1) for calculating and maintaining a currently desired conditioned space temperature to be used in comparison with the electrical signal indicative of temperature of the conditioned space from the temperature sensor, and for issuing an output control signal to the space conditioning equipment for causing the conditioned space temperature to be brought closer to the currently desired value of conditioned space temperature;
2) for monitoring the second sensor input signal indicative of current occupancy and for determining a condition of occupancy when occupancy has been signaled in recent time less than said first measured period of time, and during this condition of occupancy the thermostat control program setting the currently desired value for conditioned space temperature to follow said normal user program;
3) when occupancy is not currently detected and has not been signaled for a time interval longer than the first measured period of time, this now defining a condition of assumed no occupancy, preempting the normal user program operation and modifying the setpoint temperature a single time with modification as specified by the second further user program information in D)2);
4) when occupancy is not currently detected and has not been signaled for a time interval longer than the sum of the first and the second measured periods of time, further modifying the setpoint temperature a second single time as specified by third additional user program information in D)3); and, 5) when the signal indicative of current occupancy is again detected, the thermostat control program of the thermostat control unit resuming and then again following the normal user program for determining temperature setpoint.
3. The programmable thermostat apparatus of claim 2, wherein the space conditioning equipment to be controlled by the thermostat system is an electric heater and the thermostat system further includes:
A) an electronic switch connected so as to be gated by the control output of the input/output unit of the thermostat control unit, and used to gate house power for supply to the space conditioning equipment which is the electric heater.
4. The programmable thermostat apparatus of claim 2, wherein the space conditioning equipment to be controlled by the thermostat system is an electric baseboard heater and the thermostat system further includes:
A) an electronic switch connected so as to be gated by the control output of the input/output unit of the thermostat control unit, and then used to gate house power for supply to the space conditioning equipment which is the electric baseboard heater.
5. The programmable thermostat apparatus of claim 2 with said occupancy detector being a motion detector, further including:
A) thermostat control program analysis of the output from the motion detector to determine a level of activity indication based upon frequency of movement detected by the motion detector, and with said analysis being more than is necessary to distinguish between simple occupancy and no occupancy; and B) using the level of activity indication to effect determination of the currently desired conditioned space temperature.
6. The programmable thermostat apparatus of claim 2 with said occupancy detector being a motion detector, further including:
A) thermostat control program analysis of the output from the motion detector to determine a level of activity indication based upon frequency of movement detected by the motion detector; and B) using a high level of activity indication to lower the temperature determined by the thermostat control program as the currently desired conditioned space temperature, when compared to the temperature that would have been determined if just the condition of occupancy alone was considered.
A) thermostat control program analysis of the output from the motion detector to determine a level of activity indication based upon frequency of movement detected by the motion detector; and B) using a high level of activity indication to lower the temperature determined by the thermostat control program as the currently desired conditioned space temperature, when compared to the temperature that would have been determined if just the condition of occupancy alone was considered.
7. The programmable thermostat apparatus of claim 2, wherein the apparatus is wholly contained as a unit intended typically to be mounted on a wall within a room or area served by the space conditioning equipment.
8. The programmable thermostat apparatus of claim 2, wherein the normal user program specifying a plurality of user desired temperature settings provides for specifying at least four events per day based upon time of day.
9. A thermostat apparatus for controlling space conditioning equipment serving a conditioned space, running a thermostat control program for temperature setpoint determination, the apparatus comprising:
A) a temperature sensor connected for providing an electrical signal indicative of temperature of the conditioned space;
B) an occupancy sensor connected for providing a signal indicative of current occupancy of the conditioned space;
C) a thermostat control unit, running the thermostat control program, said thermostat control unit including:
1) a microprocessor;
2) a memory operatively coupled to said microprocessor for storing a thermostat control program and data, and normal program information including at least one user desired temperature setting;
3) a real time clock accessible by the microprocessor for determining current time information;
4) an input/output unit operatively coupled to said microprocessor including:
a) a first sensor input connected for receiving the electrical signal indicative of temperature of the conditioned space from said temperature sensor;
b) a second sensor input connected for receiving the signal indicative of current occupancy of the conditioned space from said occupancy sensor;
c) a control output for issuing control signals to be used in controlling the space conditioning equipment;
d) an output connection to the display providing data from the thermostat control program running on the microprocessor to the display; and e) an input connection from the user input mechanism for receiving user programming information;
D) a user input mechanism for entering:
1) a normal user program specifying a desired room temperature;
2) second further user program information specifying a modification for altering operation of the normal user program when the signal indicative of current occupancy is absent or not detected during a first measured period of time; and, E) the thermostat control program of the thermostat control unit being operative:
1) for calculating and maintaining a currently desired conditioned space temperature to be used in comparison with the electrical signal indicative of temperature of the conditioned space from the temperature sensor, and for issuing an output control signal to the space conditioning equipment for causing the conditioned space temperature to be brought closer to the currently desired value of conditioned space temperature;
2) for monitoring the second sensor input signal indicative of current occupancy and for determining a condition of occupancy when occupancy has been signaled in recent time less than said first measured period of time, and during this condition of occupancy the thermostat control program setting the currently desired value for conditioned space temperature to follow said normal user program;
3) when occupancy is not currently detected and has not been signaled for a time interval longer than the first measured period of time, this now defining a condition of assumed no occupancy, preempting the normal user program operation and modifying the setpoint temperature a single time with modification beginning a graduated change in setpoint temperature intended to move the currently determined setpoint temperature towards the value specified by the second user program information in D)2);
4) when occupancy continues to not be signaled for measured time intervals beyond the first measured period of time, then continuing with the graduated change in setpoint temperature towards the value specified by the second further user program information in D)2); and, 5) when the signal indicative of current occupancy is again detected, the thermostat control program of the thermostat control unit resuming and then again following the normal user program for determining temperature setpoint.
A) a temperature sensor connected for providing an electrical signal indicative of temperature of the conditioned space;
B) an occupancy sensor connected for providing a signal indicative of current occupancy of the conditioned space;
C) a thermostat control unit, running the thermostat control program, said thermostat control unit including:
1) a microprocessor;
2) a memory operatively coupled to said microprocessor for storing a thermostat control program and data, and normal program information including at least one user desired temperature setting;
3) a real time clock accessible by the microprocessor for determining current time information;
4) an input/output unit operatively coupled to said microprocessor including:
a) a first sensor input connected for receiving the electrical signal indicative of temperature of the conditioned space from said temperature sensor;
b) a second sensor input connected for receiving the signal indicative of current occupancy of the conditioned space from said occupancy sensor;
c) a control output for issuing control signals to be used in controlling the space conditioning equipment;
d) an output connection to the display providing data from the thermostat control program running on the microprocessor to the display; and e) an input connection from the user input mechanism for receiving user programming information;
D) a user input mechanism for entering:
1) a normal user program specifying a desired room temperature;
2) second further user program information specifying a modification for altering operation of the normal user program when the signal indicative of current occupancy is absent or not detected during a first measured period of time; and, E) the thermostat control program of the thermostat control unit being operative:
1) for calculating and maintaining a currently desired conditioned space temperature to be used in comparison with the electrical signal indicative of temperature of the conditioned space from the temperature sensor, and for issuing an output control signal to the space conditioning equipment for causing the conditioned space temperature to be brought closer to the currently desired value of conditioned space temperature;
2) for monitoring the second sensor input signal indicative of current occupancy and for determining a condition of occupancy when occupancy has been signaled in recent time less than said first measured period of time, and during this condition of occupancy the thermostat control program setting the currently desired value for conditioned space temperature to follow said normal user program;
3) when occupancy is not currently detected and has not been signaled for a time interval longer than the first measured period of time, this now defining a condition of assumed no occupancy, preempting the normal user program operation and modifying the setpoint temperature a single time with modification beginning a graduated change in setpoint temperature intended to move the currently determined setpoint temperature towards the value specified by the second user program information in D)2);
4) when occupancy continues to not be signaled for measured time intervals beyond the first measured period of time, then continuing with the graduated change in setpoint temperature towards the value specified by the second further user program information in D)2); and, 5) when the signal indicative of current occupancy is again detected, the thermostat control program of the thermostat control unit resuming and then again following the normal user program for determining temperature setpoint.
10. The thermostat apparatus of claim 9, wherein the graduated change in setpoint temperature is non-linear with respect to time and during earlier periods of no occupancy the setpoint temperature is modified by less than later modifications made after longer periods of no occupancy.
11. A method of operating a user programmable thermostat device for controlling space conditioning equipment supplying conditioned air to a conditioned space comprising the steps of:
A) Include within a thermostat housing designed to be mounted on a wall a thermostat control unit with a microprogram processor controlled by a thermostat control program;
B) Attach to the thermostat control unit an occupancy sensor and a temperature sensor situated such as to detect occupancy and temperature respectively;
C) Attach also to the thermostat control unit a display device;
D) Attach also to the thermostat control unit a user control interface for capturing user input;
E) Utilizing the display device and the user control interface, capture user input in the form of at least one user programmable time-based thermostat control sequence intended as a normal thermostat control sequence for invocation during periods of occupancy;
F) Capture further user input describing a plurality of desired modifications to the room temperature based upon a condition of no occupancy;
G) The thermostat control program determining a condition of no occupancy when during a measured interval of time no occupancy is detected H) Run the thermostat control program which, when not in a condition of no occupancy, following the user programmable time-based normal thermostat control sequence and setting a current desired condition space temperature;
I) The thermostat control program when in a condition of no occupancy, preempting the user programmable time-based normal thermostat control sequence and modifying the setting the currently desired conditioned space temperature as specified by the first of the plurality of modifications specified in the further user input of Step F);
J) The thermostat control program, when continuing in a condition of no occupancy, then further modifying the setting of the currently desired conditioned space temperature after successive periods of time as specified by the second and following of the plurality of further user input of Step F), until the plurality of modifications have been completed, or until occupancy is detected;
K) The thermostat control program, when occupancy is again detected, setting the desired condition space temperature to a value as though the user programmable time-based normal thermostat control sequence had not been interrupted, and then resuming normal thermostat operation by returning to step H).
A) Include within a thermostat housing designed to be mounted on a wall a thermostat control unit with a microprogram processor controlled by a thermostat control program;
B) Attach to the thermostat control unit an occupancy sensor and a temperature sensor situated such as to detect occupancy and temperature respectively;
C) Attach also to the thermostat control unit a display device;
D) Attach also to the thermostat control unit a user control interface for capturing user input;
E) Utilizing the display device and the user control interface, capture user input in the form of at least one user programmable time-based thermostat control sequence intended as a normal thermostat control sequence for invocation during periods of occupancy;
F) Capture further user input describing a plurality of desired modifications to the room temperature based upon a condition of no occupancy;
G) The thermostat control program determining a condition of no occupancy when during a measured interval of time no occupancy is detected H) Run the thermostat control program which, when not in a condition of no occupancy, following the user programmable time-based normal thermostat control sequence and setting a current desired condition space temperature;
I) The thermostat control program when in a condition of no occupancy, preempting the user programmable time-based normal thermostat control sequence and modifying the setting the currently desired conditioned space temperature as specified by the first of the plurality of modifications specified in the further user input of Step F);
J) The thermostat control program, when continuing in a condition of no occupancy, then further modifying the setting of the currently desired conditioned space temperature after successive periods of time as specified by the second and following of the plurality of further user input of Step F), until the plurality of modifications have been completed, or until occupancy is detected;
K) The thermostat control program, when occupancy is again detected, setting the desired condition space temperature to a value as though the user programmable time-based normal thermostat control sequence had not been interrupted, and then resuming normal thermostat operation by returning to step H).
12. A method of operating a user programmable thermostat device for controlling space conditioning equipment supplying conditioned air to a conditioned space comprising the steps of:
A) Include within a thermostat housing designed to be mounted on a wall a thermostat control unit with a microprogram processor controlled by a thermostat control program;
B) Attach to the thermostat control unit an occupancy sensor and a temperature sensor situated such as to detect occupancy and temperature respectively;
C) Attach also to the thermostat control unit a display device;
D) Attach also to the thermostat control unit a user control interface for capturing user input;
E) Utilizing the display device and the user control interface, capture user input in the form of at least one user programmable time-based thermostat control sequence intended as a normal thermostat control sequence for invocation during periods of occupancy;
F) Capture further user input describing a value for desired room temperature during a condition of no occupancy;
G) The thermostat control program determining a condition of no occupancy when during a measured interval of time no occupancy is detected H) Run the thermostat control program which, when not in a condition of no occupancy, following the user programmable time-based normal thermostat control sequence and setting a current desired condition space temperature;
I) The thermostat control program when in a condition of no occupancy, preempting the user programmable time-based normal thermostat control sequence and modifying the setting the currently desired conditioned space temperature such as to gradually move the setpoint temperature towards the value for desired room temperature as specified by in the further user input of Step F);
J) The thermostat control program, when occupancy is again detected, setting the setpoint temperature to a value as though the user programmable time-based normal thermostat control sequence had not been interrupted, and then resuming normal thermostat operation by returning to step H).
A) Include within a thermostat housing designed to be mounted on a wall a thermostat control unit with a microprogram processor controlled by a thermostat control program;
B) Attach to the thermostat control unit an occupancy sensor and a temperature sensor situated such as to detect occupancy and temperature respectively;
C) Attach also to the thermostat control unit a display device;
D) Attach also to the thermostat control unit a user control interface for capturing user input;
E) Utilizing the display device and the user control interface, capture user input in the form of at least one user programmable time-based thermostat control sequence intended as a normal thermostat control sequence for invocation during periods of occupancy;
F) Capture further user input describing a value for desired room temperature during a condition of no occupancy;
G) The thermostat control program determining a condition of no occupancy when during a measured interval of time no occupancy is detected H) Run the thermostat control program which, when not in a condition of no occupancy, following the user programmable time-based normal thermostat control sequence and setting a current desired condition space temperature;
I) The thermostat control program when in a condition of no occupancy, preempting the user programmable time-based normal thermostat control sequence and modifying the setting the currently desired conditioned space temperature such as to gradually move the setpoint temperature towards the value for desired room temperature as specified by in the further user input of Step F);
J) The thermostat control program, when occupancy is again detected, setting the setpoint temperature to a value as though the user programmable time-based normal thermostat control sequence had not been interrupted, and then resuming normal thermostat operation by returning to step H).
13. A method of operating a user programmable thermostat device for controlling space conditioning equipment supplying conditioned air to a conditioned space comprising the steps of:
A) Include within a thermostat housing designed to be mounted on a wall a thermostat control unit with a microprogram processor controlled by a thermostat control program;
B) Attach to the thermostat control unit an occupancy sensor and a temperature sensor situated such as to detect occupancy and temperature respectively;
C) Attach also to the thermostat control unit a display device;
D) Attach also to the thermostat control unit a user control interface for capturing user input;
E) Utilizing the display device and the user control interface, capture user input in the form of at least one user programmable time-based thermostat control sequence intended as a normal thermostat control sequence for invocation during periods of occupancy;
F) Capture further user input describing a value for desired room temperature during a condition of no occupancy;
G) The thermostat control program determining a condition of no occupancy when during a measured interval of time no occupancy is detected H) Run the thermostat control program which, when not in a condition of no occupancy, following the user programmable time-based normal thermostat control sequence and setting a current desired condition space temperature;
I) The thermostat control program when in a condition of no occupancy, preempting the user programmable time-based normal thermostat control sequence and modifying the setpoint temperature such as to gradually move the setpoint temperature towards the value for desired room temperature during no occupancy as specified by in the further user input of Step F);
J) The thermostat control program, when occupancy is again detected, modifying the setting of the desired condition space temperature such as to gradually move the setpoint temperature returning towards the value as though the user programmable time-based normal thermostat control sequence had not been preempted, and then resuming normal thermostat operation by returning to step H).
A) Include within a thermostat housing designed to be mounted on a wall a thermostat control unit with a microprogram processor controlled by a thermostat control program;
B) Attach to the thermostat control unit an occupancy sensor and a temperature sensor situated such as to detect occupancy and temperature respectively;
C) Attach also to the thermostat control unit a display device;
D) Attach also to the thermostat control unit a user control interface for capturing user input;
E) Utilizing the display device and the user control interface, capture user input in the form of at least one user programmable time-based thermostat control sequence intended as a normal thermostat control sequence for invocation during periods of occupancy;
F) Capture further user input describing a value for desired room temperature during a condition of no occupancy;
G) The thermostat control program determining a condition of no occupancy when during a measured interval of time no occupancy is detected H) Run the thermostat control program which, when not in a condition of no occupancy, following the user programmable time-based normal thermostat control sequence and setting a current desired condition space temperature;
I) The thermostat control program when in a condition of no occupancy, preempting the user programmable time-based normal thermostat control sequence and modifying the setpoint temperature such as to gradually move the setpoint temperature towards the value for desired room temperature during no occupancy as specified by in the further user input of Step F);
J) The thermostat control program, when occupancy is again detected, modifying the setting of the desired condition space temperature such as to gradually move the setpoint temperature returning towards the value as though the user programmable time-based normal thermostat control sequence had not been preempted, and then resuming normal thermostat operation by returning to step H).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4486908A | 2008-03-07 | 2008-03-07 | |
| US12/044,869 | 2008-03-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2633121A1 true CA2633121A1 (en) | 2008-09-02 |
| CA2633121C CA2633121C (en) | 2011-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2633121A Active CA2633121C (en) | 2008-03-07 | 2008-06-20 | Simplified user interface and graduated response in a programmable baseboard thermostat incorporating an occupancy sensor |
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| CA (1) | CA2633121C (en) |
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| FR3120952A1 (en) * | 2021-03-16 | 2022-09-23 | Muller Et Cie | Method for regulating a heating apparatus and associated heating apparatus |
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| FR3120952A1 (en) * | 2021-03-16 | 2022-09-23 | Muller Et Cie | Method for regulating a heating apparatus and associated heating apparatus |
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| CA2633121C (en) | 2011-08-16 |
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