US20050277381A1 - System to control environmental conditions in a living space - Google Patents
System to control environmental conditions in a living space Download PDFInfo
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- US20050277381A1 US20050277381A1 US10/867,919 US86791904A US2005277381A1 US 20050277381 A1 US20050277381 A1 US 20050277381A1 US 86791904 A US86791904 A US 86791904A US 2005277381 A1 US2005277381 A1 US 2005277381A1
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- Prior art keywords
- control
- air
- appliance
- temperature
- fan
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Definitions
- the present invention is directed to a system to control environmental conditions in a living space.
- Environmental conditions in a living space include temperature, humidity and air purity, among others. Appliances are known for modifying these environmental conditions including air conditioners, heaters, humidifiers, dehumidifiers and air purifiers, among other devices. While the term living space generally includes enclosed spaces where living things such as people, animals and/or plants are located, the term as used herein is also meant to include any other space having a fluid atmosphere where certain conditions of that atmosphere are to be modified.
- such environmental condition treatment appliances may include a sensor to allow that particular appliance to modify a particular environmental condition that it has been designed to modify, within a certain range, such as a temperature sensor for an air conditioner or heater.
- a sensor to allow that particular appliance to modify a particular environmental condition that it has been designed to modify, within a certain range, such as a temperature sensor for an air conditioner or heater.
- Those sensors are used to control that particular appliance, in isolation from other appliances or devices that may be controlling the same or other environmental conditions in that living space.
- Such appliances incorporate within the appliance a fan, blower or other air moving devices, to assist in increasing the effect of the device on the environmental condition being acted on by the appliance within the living space.
- These incorporated air moving devices generally are relatively low in power and effect, and may be ineffective to adequately and efficiently modify the environmental condition within the entire living space acted on by the device, for example, allowing areas in the living space to be warmer or colder than the temperature selected by an occupant of the living space, or allowing stratification of the air in the living space.
- an appliance such as an air conditioner, heater, humidifier, dehumidifier or air purifier
- various settings including various air flow speeds, however, once selected by a user, the air flow speeds remain in a fixed speed condition until further changed by the user.
- Some appliances include sensors that cause the device to shut off at least temporarily once a certain condition is achieved, such as a selected temperature, and when that occurs, the air flow device associated with the device is completely turned off as well, terminating forced air circulation.
- separate air moving devices such as ceiling fans
- the separate air moving devices operate completely independently from the appliances.
- the present invention overcomes the deficiencies of the prior art by providing a system to control environmental conditions in a living space, which includes an appliance to modify an environmental condition, a separate air moving device operable to move air at multiple controlled velocities (speed and/or direction) and a control operable to operate the appliance and the air moving device at the multiple controlled velocities in a coordinated manner, an environmental sensor operatively connected to the control, and an input device operatively connected to the control to permit a user to input a desired environmental value.
- the control is operative to operate the appliance in conjunction with the air moving device at various of the multiple controlled velocities based upon sensed environmental conditions at the sensor over time to achieve a better performance, with direct or indirect communication between the air moving device and the appliance.
- One or more sensors may be operatively connected to the common control to provide input parameters for the control.
- the sensors and the control may be directly attached to or part of one or more of the devices and appliances, or may be contained in a separate unit fixed in the living space, or movable, such as a remote control unit that occupants of the living space may position near them.
- Communication between the control and the various devices and appliances may be accomplished through a hard wired connection, or a wireless connection including infrared or radio frequency signals, for example.
- the environmental conditions that may be modified include air humidity, air temperature, air purity, and air stratification.
- FIG. 1 is a schematic illustration of a system embodying the present invention.
- FIG. 2 is a schematic illustration of a living space with components of the system of FIG. 1 illustrated.
- FIG. 3 is a schematic illustration of an air moving device controlled by several appliances via a hard wired or wireless connection.
- FIG. 4 is a schematic illustration of several appliances and air moving devices operated by a common control via a wireless connection.
- the present invention overcomes the deficiencies of the prior art by providing a system 20 to control environmental conditions in a living space, which includes an air moving device 22 operable to move air at multiple controlled velocities, a control 24 operable to operate the air moving device at the multiple controlled velocities, an environmental sensor 26 operatively connected to the control, and an input device 28 operatively connected to the control to permit a user to input a desired environmental value.
- the system 20 may utilize a wide variety of environmental condition modifying appliances 29 .
- the control 24 is operative to operate the air moving device 22 at various of the multiple controlled velocities based upon sensed environmental conditions at the sensor 26 over time, as well as to operate the appliance 29 .
- the air moving device 22 may include one or more air moving devices 30 to move air within a living space 32 , and/or one or more air moving devices 34 located to move air into or out of the living space.
- air moving device is meant to include any device capable of moving a gas and the term air is meant to include any gaseous atmosphere in the living space.
- the environmental condition modifying appliance 29 may include air temperature modifying appliances 36 , humidity modifying appliances 38 , air purifying appliances 40 and cooker hoods and other venting appliances 41 .
- the air moving devices 30 , 34 may include fans and blowers, including ceiling fans or paddle fans, window fans, fixed or oscillating fans, ducted blowers, freestanding or wall mounted fans, whole house fans, attic fans and other such air moving devices as are known in the art.
- the air temperature modifying appliances 36 may include heaters powered by solid, liquid or gaseous fuel or electricity and air conditioners, including individual room units, PTAC units (package terminal air conditioner), central units, such as HVAC units, and other air temperature modifying appliances as are known in the art.
- the humidity modifying appliances 38 may include humidifiers, such as rotating belt evaporation appliances, mist generating appliances, dehumidifiers and other humidity modifying appliances as are known in the art.
- the air purifying appliances 40 may include electrostatic or ionization air purifiers, filters, air treatment dispensing appliances, such as air freshening dispensers, perfume or other scent dispensers, and other known air purifying appliances as are known in the art.
- the air venting appliances 41 may include cooker's hoods, bathroom venting fans, cooktop downdraft systems, and other venting appliances as are known in the art.
- the control 24 may be mounted directly on one or more of the environmental condition modifying appliances 29 or the air moving devices 22 (as shown in FIG. 3 ) or may be mounted separate from any of the devices or appliances, such as mounted in a fixed location, for example on a wall, or it may be movable within the living space (as shown in FIG. 4 ). Communication between the control 24 and the various appliances 29 and devices 22 may be accomplished through a hard wired connection 42 ( FIG. 3 ), or a wireless connection 44 ( FIGS. 3 and 4 ) including infrared or radio frequency signals, for example.
- the hard wired connection 42 may be accomplished through the use of electricity conducting wires or other materials, or through light conducting fibers, or similar physical energy pathways as are known in the art.
- the wireless connection 44 allows the control to more easily be used as a movable device, such as a remote control unit 46 .
- control 24 may be a single unit used to operate one or more appliances 29 to modify an environmental condition along with one or more air moving devices 22 , with the common control operable to regulate the operation of each of the appliances and devices based upon changes to a sensed environmental condition over time.
- Each of the appliances 29 and devices 22 may have its own control which in turn is operated by the common control 24 or whose operation is coordinated through communication facilitated by the control 24 , or the common control may itself control all of the functions of the appliances and devices.
- One or more sensors 26 may be operatively connected to the common control 24 to provide input parameters for the control.
- the sensors 26 may include temperature sensors, humidity sensors, air purity sensors, wet bulb or dry bulb thermometers, dust sensors, VOC (volatile organic compounds) sensors and other known environmental condition sensors.
- the sensors 26 may be directly attached to or part of one or more of the appliances 29 , devices 22 or the control 24 , or may be contained in a separate unit fixed in the living space, or movable within the living space. More than one of the same type of sensor 26 may be used and they may be placed in various different positions throughout the living space. Communication between the control 24 and the sensors 26 may be accomplished through a hard wired connection, or a wireless connection including infrared or radio frequency signals, for example.
- the input device 28 may be associated directly with the control 24 or may be remote from the control.
- the input device 28 may include input buttons or switches and a visual display, such as fixed printing adjacent to the input buttons or switches, a graphic display, such as a liquid crystal display, light emitting diodes, incandescent bulbs, plasma screen, CRT displays, printed output, analog dials and meters, and other known display arrangements.
- the input device 28 may also be included in a computer system 46 , as may be the control 24 .
- the control 24 may be configured so as to emit a signal with a predetermined protocol such that several different types of environmental condition modifying appliances 29 and air moving devices 22 may be used with the control, even though they may be purchased at different times, at different locations, or from different sources or manufacturers. As such, a generally universal control may be provided to control a variety of different appliances 29 and air moving devices 22 .
- the control 24 may allow for plug-ins or embedded systems that enable the communication across various devices 22 and appliances 29 via the common control 24 .
- the control 24 may also be only a communication module that allows the individual control unit of the air moving device 22 to communicate and coordinate with the individual control unit of the environmental condition modifying appliance 29 .
- This control module 24 may be arranged in a fixed location, such as mounted on a wall, or mounted in one of the appliances 29 or air moving devices 22 , or it may be located in a mobile remote control unit.
- the control 24 may also be a completely embedded system incorporated into one or more of the appliances 29 or air moving devices 22 , as a part of their individual controls.
- An example of the use of the system utilizes a single room air conditioner and a ceiling fan as the environmental condition modifying appliance 29 and the air moving device 22 .
- a single control 24 located in a remote control device, along with temperature sensors located in the remote control device and in the ceiling fan are used to control the cooling operation of the air conditioner as well as the speed of the fan.
- temperature sensors 26 located in both the remote control (presumably located near the occupant in the room) and the fan, the temperature of the air near the occupant will control the operation of the air conditioner and the fan, and stratification, or hot and cold spots, of the air at different elevations and lateral positions in the room will be reduced or avoided.
- the control 24 may start the air conditioner and also the ceiling fan at a nominal speed to provide forced air circulation in the room.
- the fan speed may be controlled to adjust up or down depending on the sensed temperature of the room.
- the location within the room that needs to be temperature controlled will be determined by the user by placing the temperature sensor at the location where the user wants the set temperature to be achieved.
- the air conditioner may be controlled to ramp up or down in cooling speed depending upon the room temperature. When the room temperature gets cold enough, the air conditioner may turn off and the ceiling fan may be used alone to keep the correct temperature for optimum comfort of the user.
- This arrangement will provide a more uniform temperature distribution in the room, and may save energy in that the air conditioner will not have to work longer than necessary to make the space around the user as comfortable as desired.
- This arrangement puts a closed loop control between the temperature sensor 26 , the control 24 , the ceiling fan and the air conditioner. Further, the control 24 can accept signals from several different sensors to determine an average value for the condition being sensed. Oftentimes a user tends to set a room temperature much lower or higher than that required for human comfort to compensate for temperature stratification. This results in energy waste.
- the present system will allow the user to set the exact temperature that reflects his or her desired comfort level, thus potentially saving energy.
- Humidity is water vapor.
- the molecular weight of vapor is 18 compared to the average air molecular weight of 29, thus water vapor is much lighter than air.
- the vapor stratifies from air and tends to reside in upper dead corners of a space causing mildew and molds there.
- the present system help create a uniform humidity distribution. It also helps transport humidity to the humidity removal appliances.
- the present system also enhances the performance of air purifiers and air purifying systems in removing odors or volatile organic compounds (VOCs), although the stratification problem is less critical, since the VOCs have a much higher mobility than solid particles.
- VOCs volatile organic compounds
- Air conditioners or HVAC vents cool the air in their vicinity instantly, yet it takes a longer time to cool the entire conditioned space.
- the present system will help achieve a quick cooling in the entire living space.
- the present system will also avoid uneven cooling or heating.
- the system will provide an intelligent communication between the air moving devices 22 and the environmental condition modifying appliances 29 . In this manner, the speed of the air moving devices 22 may be regulated to achieve a uniform cooling or heating, or other environmental modification as programmed according to a human comfort index without generating a drafty feeling in the living space.
- the control 24 may allow for the user to input more than one environmental condition to be modified, including temperature and humidity, temperature and air purity, humidity and air purity or temperature, humidity and air purity together. If multiple sensors of each type are utilized in different locations within the living space, then stratification can also be modified in a sensed way.
- Measurements of temperature, humidity, dust and VOC from devices 22 , 26 and appliances 29 at various locations can be used to determine the stratification of these parameters. Based on these measurements, control algorithms that use fuzzy logic, neural network, traditional on/off, PID control, etc. coordinate the operation of air moving devices and air treatment appliances.
- the speed of air moving devices can be controlled based on advanced control theory to generate various desired pattern of winds, for instance, “natural wind” based on Chaos Theory.
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Abstract
A system to control environmental conditions in a living space, including an appliance to modify an environmental condition, an air moving device, a control to operate the appliance and to operate the device at the multiple velocities, an environmental sensor, and an input device to permit a user to input a desired environmental value. One or more sensors may communicate with the control to provide input parameters for the control. The sensors and the control may be directly attached to or part of one or more of the appliances or devices, or may be contained in a separate unit fixed in the living space, or movable, remote control unit. Communication between the control and the appliances and devices may be accomplished through a hard wired connection or a wireless connection. Environmental conditions that may be modified include air humidity, air temperature, air purity, and air stratification.
Description
- The present invention is directed to a system to control environmental conditions in a living space.
- Environmental conditions in a living space include temperature, humidity and air purity, among others. Appliances are known for modifying these environmental conditions including air conditioners, heaters, humidifiers, dehumidifiers and air purifiers, among other devices. While the term living space generally includes enclosed spaces where living things such as people, animals and/or plants are located, the term as used herein is also meant to include any other space having a fluid atmosphere where certain conditions of that atmosphere are to be modified.
- Typically, such environmental condition treatment appliances may include a sensor to allow that particular appliance to modify a particular environmental condition that it has been designed to modify, within a certain range, such as a temperature sensor for an air conditioner or heater. Those sensors, however, are used to control that particular appliance, in isolation from other appliances or devices that may be controlling the same or other environmental conditions in that living space.
- Also typically such appliances incorporate within the appliance a fan, blower or other air moving devices, to assist in increasing the effect of the device on the environmental condition being acted on by the appliance within the living space. These incorporated air moving devices generally are relatively low in power and effect, and may be ineffective to adequately and efficiently modify the environmental condition within the entire living space acted on by the device, for example, allowing areas in the living space to be warmer or colder than the temperature selected by an occupant of the living space, or allowing stratification of the air in the living space.
- Further, it is usual for an appliance, such as an air conditioner, heater, humidifier, dehumidifier or air purifier, to have various settings, including various air flow speeds, however, once selected by a user, the air flow speeds remain in a fixed speed condition until further changed by the user. Some appliances include sensors that cause the device to shut off at least temporarily once a certain condition is achieved, such as a selected temperature, and when that occurs, the air flow device associated with the device is completely turned off as well, terminating forced air circulation.
- In some instances separate air moving devices, such as ceiling fans, are operated in the same living space as the environmental condition modifying appliances, however, the separate air moving devices operate completely independently from the appliances.
- The present invention overcomes the deficiencies of the prior art by providing a system to control environmental conditions in a living space, which includes an appliance to modify an environmental condition, a separate air moving device operable to move air at multiple controlled velocities (speed and/or direction) and a control operable to operate the appliance and the air moving device at the multiple controlled velocities in a coordinated manner, an environmental sensor operatively connected to the control, and an input device operatively connected to the control to permit a user to input a desired environmental value. The control is operative to operate the appliance in conjunction with the air moving device at various of the multiple controlled velocities based upon sensed environmental conditions at the sensor over time to achieve a better performance, with direct or indirect communication between the air moving device and the appliance.
- One or more sensors may be operatively connected to the common control to provide input parameters for the control. The sensors and the control may be directly attached to or part of one or more of the devices and appliances, or may be contained in a separate unit fixed in the living space, or movable, such as a remote control unit that occupants of the living space may position near them. Communication between the control and the various devices and appliances may be accomplished through a hard wired connection, or a wireless connection including infrared or radio frequency signals, for example.
- The environmental conditions that may be modified include air humidity, air temperature, air purity, and air stratification.
-
FIG. 1 is a schematic illustration of a system embodying the present invention. -
FIG. 2 is a schematic illustration of a living space with components of the system ofFIG. 1 illustrated. -
FIG. 3 is a schematic illustration of an air moving device controlled by several appliances via a hard wired or wireless connection. -
FIG. 4 is a schematic illustration of several appliances and air moving devices operated by a common control via a wireless connection. - As schematically illustrated in
FIG. 1 , the present invention overcomes the deficiencies of the prior art by providing asystem 20 to control environmental conditions in a living space, which includes anair moving device 22 operable to move air at multiple controlled velocities, acontrol 24 operable to operate the air moving device at the multiple controlled velocities, anenvironmental sensor 26 operatively connected to the control, and aninput device 28 operatively connected to the control to permit a user to input a desired environmental value. Thesystem 20 may utilize a wide variety of environmentalcondition modifying appliances 29. Thecontrol 24 is operative to operate theair moving device 22 at various of the multiple controlled velocities based upon sensed environmental conditions at thesensor 26 over time, as well as to operate theappliance 29. - As schematically illustrated in
FIG. 2 , theair moving device 22 may include one or moreair moving devices 30 to move air within aliving space 32, and/or one or moreair moving devices 34 located to move air into or out of the living space. As used herein, the term air moving device is meant to include any device capable of moving a gas and the term air is meant to include any gaseous atmosphere in the living space. - As schematically shown in
FIGS. 3 and 4 , the environmentalcondition modifying appliance 29 may include airtemperature modifying appliances 36,humidity modifying appliances 38, air purifyingappliances 40 and cooker hoods andother venting appliances 41. Theair moving devices temperature modifying appliances 36 may include heaters powered by solid, liquid or gaseous fuel or electricity and air conditioners, including individual room units, PTAC units (package terminal air conditioner), central units, such as HVAC units, and other air temperature modifying appliances as are known in the art. Thehumidity modifying appliances 38 may include humidifiers, such as rotating belt evaporation appliances, mist generating appliances, dehumidifiers and other humidity modifying appliances as are known in the art. The air purifyingappliances 40 may include electrostatic or ionization air purifiers, filters, air treatment dispensing appliances, such as air freshening dispensers, perfume or other scent dispensers, and other known air purifying appliances as are known in the art. Theair venting appliances 41 may include cooker's hoods, bathroom venting fans, cooktop downdraft systems, and other venting appliances as are known in the art. - The
control 24 may be mounted directly on one or more of the environmentalcondition modifying appliances 29 or the air moving devices 22 (as shown inFIG. 3 ) or may be mounted separate from any of the devices or appliances, such as mounted in a fixed location, for example on a wall, or it may be movable within the living space (as shown inFIG. 4 ). Communication between thecontrol 24 and thevarious appliances 29 anddevices 22 may be accomplished through a hard wired connection 42 (FIG. 3 ), or a wireless connection 44 (FIGS. 3 and 4 ) including infrared or radio frequency signals, for example. The hard wiredconnection 42 may be accomplished through the use of electricity conducting wires or other materials, or through light conducting fibers, or similar physical energy pathways as are known in the art. Thewireless connection 44 allows the control to more easily be used as a movable device, such as aremote control unit 46. - In an embodiment, the
control 24 may be a single unit used to operate one ormore appliances 29 to modify an environmental condition along with one or moreair moving devices 22, with the common control operable to regulate the operation of each of the appliances and devices based upon changes to a sensed environmental condition over time. Each of theappliances 29 anddevices 22 may have its own control which in turn is operated by thecommon control 24 or whose operation is coordinated through communication facilitated by thecontrol 24, or the common control may itself control all of the functions of the appliances and devices. One ormore sensors 26 may be operatively connected to thecommon control 24 to provide input parameters for the control. Thesensors 26 may include temperature sensors, humidity sensors, air purity sensors, wet bulb or dry bulb thermometers, dust sensors, VOC (volatile organic compounds) sensors and other known environmental condition sensors. Thesensors 26 may be directly attached to or part of one or more of theappliances 29,devices 22 or thecontrol 24, or may be contained in a separate unit fixed in the living space, or movable within the living space. More than one of the same type ofsensor 26 may be used and they may be placed in various different positions throughout the living space. Communication between thecontrol 24 and thesensors 26 may be accomplished through a hard wired connection, or a wireless connection including infrared or radio frequency signals, for example. - The
input device 28 may be associated directly with thecontrol 24 or may be remote from the control. Theinput device 28 may include input buttons or switches and a visual display, such as fixed printing adjacent to the input buttons or switches, a graphic display, such as a liquid crystal display, light emitting diodes, incandescent bulbs, plasma screen, CRT displays, printed output, analog dials and meters, and other known display arrangements. Theinput device 28 may also be included in acomputer system 46, as may be thecontrol 24. - The
control 24 may be configured so as to emit a signal with a predetermined protocol such that several different types of environmentalcondition modifying appliances 29 andair moving devices 22 may be used with the control, even though they may be purchased at different times, at different locations, or from different sources or manufacturers. As such, a generally universal control may be provided to control a variety ofdifferent appliances 29 andair moving devices 22. For example, thecontrol 24 may allow for plug-ins or embedded systems that enable the communication acrossvarious devices 22 andappliances 29 via thecommon control 24. Thecontrol 24 may also be only a communication module that allows the individual control unit of theair moving device 22 to communicate and coordinate with the individual control unit of the environmentalcondition modifying appliance 29. Thiscontrol module 24 may be arranged in a fixed location, such as mounted on a wall, or mounted in one of theappliances 29 orair moving devices 22, or it may be located in a mobile remote control unit. Thecontrol 24 may also be a completely embedded system incorporated into one or more of theappliances 29 orair moving devices 22, as a part of their individual controls. - An example of the use of the system utilizes a single room air conditioner and a ceiling fan as the environmental
condition modifying appliance 29 and theair moving device 22. Asingle control 24, located in a remote control device, along with temperature sensors located in the remote control device and in the ceiling fan are used to control the cooling operation of the air conditioner as well as the speed of the fan. By utilizingtemperature sensors 26 in both the remote control (presumably located near the occupant in the room) and the fan, the temperature of the air near the occupant will control the operation of the air conditioner and the fan, and stratification, or hot and cold spots, of the air at different elevations and lateral positions in the room will be reduced or avoided. - The
control 24 may start the air conditioner and also the ceiling fan at a nominal speed to provide forced air circulation in the room. The fan speed may be controlled to adjust up or down depending on the sensed temperature of the room. The location within the room that needs to be temperature controlled will be determined by the user by placing the temperature sensor at the location where the user wants the set temperature to be achieved. The air conditioner may be controlled to ramp up or down in cooling speed depending upon the room temperature. When the room temperature gets cold enough, the air conditioner may turn off and the ceiling fan may be used alone to keep the correct temperature for optimum comfort of the user. - This arrangement will provide a more uniform temperature distribution in the room, and may save energy in that the air conditioner will not have to work longer than necessary to make the space around the user as comfortable as desired. This arrangement puts a closed loop control between the
temperature sensor 26, thecontrol 24, the ceiling fan and the air conditioner. Further, thecontrol 24 can accept signals from several different sensors to determine an average value for the condition being sensed. Oftentimes a user tends to set a room temperature much lower or higher than that required for human comfort to compensate for temperature stratification. This results in energy waste. The present system will allow the user to set the exact temperature that reflects his or her desired comfort level, thus potentially saving energy. - Humidity is water vapor. The molecular weight of vapor is 18 compared to the average air molecular weight of 29, thus water vapor is much lighter than air. The vapor stratifies from air and tends to reside in upper dead corners of a space causing mildew and molds there. The present system help create a uniform humidity distribution. It also helps transport humidity to the humidity removal appliances.
- For particle removing appliances, such as air purifiers and air purifying systems, it is important to remove particles from all space. The mobility of solid particles such as dusts is much smaller than for air molecules. Hence, the particle stratification is much more severe than temperature and humidity stratification. Measurements indicate that particle concentration is much higher in locations that are further away from the outlets of purifiers and air purifying systems. Air moving devices when intelligently linked to air purifiers or air purifying systems, would greatly alleviate the problems associated with the particle stratification. This will enhance the performance of air purifiers and air purifying systems, creating a healthier indoor environment.
- The present system also enhances the performance of air purifiers and air purifying systems in removing odors or volatile organic compounds (VOCs), although the stratification problem is less critical, since the VOCs have a much higher mobility than solid particles.
- Air conditioners or HVAC vents cool the air in their vicinity instantly, yet it takes a longer time to cool the entire conditioned space. The present system will help achieve a quick cooling in the entire living space. The present system will also avoid uneven cooling or heating. The system will provide an intelligent communication between the
air moving devices 22 and the environmentalcondition modifying appliances 29. In this manner, the speed of theair moving devices 22 may be regulated to achieve a uniform cooling or heating, or other environmental modification as programmed according to a human comfort index without generating a drafty feeling in the living space. - The
control 24 may allow for the user to input more than one environmental condition to be modified, including temperature and humidity, temperature and air purity, humidity and air purity or temperature, humidity and air purity together. If multiple sensors of each type are utilized in different locations within the living space, then stratification can also be modified in a sensed way. - Measurements of temperature, humidity, dust and VOC from
devices appliances 29 at various locations can be used to determine the stratification of these parameters. Based on these measurements, control algorithms that use fuzzy logic, neural network, traditional on/off, PID control, etc. coordinate the operation of air moving devices and air treatment appliances. The speed of air moving devices can be controlled based on advanced control theory to generate various desired pattern of winds, for instance, “natural wind” based on Chaos Theory. - As is apparent from the foregoing specification, the invention is susceptible of being embodied with various alterations and modifications which may differ particularly from those that have been described in the preceding specification and description. It should be understood that we wish to embody within the scope of the patent warranted hereon all such modifications as reasonably and properly come within the scope of our contribution to the art.
Claims (30)
1. A system to control temperature conditions in a living space, comprising:
a temperature modifying appliance operable to modify air temperature at one or more rates,
a separate air moving device operable to move air at multiple controlled velocities,
a control operable to operate said air moving device at said multiple controlled velocities, and to operate said temperature modifying appliance,
a temperature sensor operatively connected to said control,
an input device operatively connected to said control to permit a user to input a desired temperature value,
whereas said control is operative to operate said temperature modifying appliance and said air moving device at various of said multiple controlled velocities based upon sensed temperatures at said sensor over time.
2. A system according to claim 1 , wherein said control is operative to operate said air moving device at a particular velocity to achieve a sensed temperature in said living space at said desired temperature value.
3. A system according to claim 1 , wherein said air moving device comprises a ceiling fan.
4. A system according to claim 1 , wherein said air moving device comprises a plurality of fans in said living space.
5. A system according to claim 1 , wherein said control comprises a remote control device operative to communicate with said air moving device via a wireless connection.
6. A system according to claim 1 , wherein said air moving device comprises a ceiling fan, said appliance to modify air temperature comprises a room air conditioner, and said common control comprises a remote control device operative to communicate with said ceiling fan and said room air conditioner via a wireless connection.
7. A system according to claim 1 , wherein said temperature sensor comprises a plurality of temperature sensors positioned at a plurality of locations in said living space.
8. A system according to claim 1 , wherein said appliance to modify air temperature comprises an HVAC unit.
9. A system according to claim 1 , wherein said appliance to modify air temperature comprises a heater.
10. A system to control environmental conditions in a living space, comprising:
an appliance to modify an environmental condition,
an air moving device operable to move air at multiple controlled velocities,
a control operable to operate said appliance and said air moving device at said multiple controlled velocities,
an environmental sensor operatively connected to said control,
an input device operatively connected to said control to permit a user to input a desired environmental value,
whereas said control is operative to operate said appliance and said air moving device at various of said multiple controlled velocities based upon sensed environmental conditions at said sensor over time.
11. A system according to claim 10 , wherein said environmental condition comprises air humidity.
12. A system according to claim 11 , wherein said appliance comprises a humidifier.
13. A system according to claim 11 , wherein said appliance comprises a dehumidifier.
14. A system according to claim 10 , wherein said environmental condition comprises air temperature.
15. A system according to claim 14 , wherein said appliance comprises a heater.
16. A system according to claim 14 , wherein said appliance comprises an air conditioner.
17. A system according to claim 10 , wherein said environmental condition comprises air purity.
18. A system according to claim 17 , wherein said appliance comprises an appliance to purify air.
19. A system to control temperature conditions in a living space, comprising:
a fan operable to move air at multiple controlled speeds,
a fan control operable to operate said fan at said multiple controlled speeds,
an air conditioning appliance to cool air within said living space,
an air conditioning control operable to operate said air conditioner as required,
a temperature sensor operatively connected to said control,
an input device operatively connected to said control to permit a user to input a desired temperature value,
whereas said fan control is operative to operate said fan at various of said multiple controlled speeds and said air conditioner control is operative to operate said air conditioner, based upon sensed temperatures at said sensor over time.
20. A system according to claim 19 , including a remote control device operative to command said air conditioner control and said fan control.
21. A system according to claim 19 , including a remove control device incorporating said temperature sensor therein.
22. A system according to claim 19 , wherein said fan includes a temperature sensor.
23. A system according to claim 19 , wherein said fan comprises a ceiling fan.
24. A system according to claim 19 , wherein said fan comprises a free standing fan.
25. A system according to claim 19 , wherein said fan comprises multiple fans.
26. A control to provide communication of control signals between one or more environmental condition modifying appliances and one or more separate air moving devices.
27. A control according to claim 26 , wherein said control is located in one of said appliances.
28. A control according to claim 26 , wherein said control is located in one of said air moving devices.
29. A control according to claim 26 , wherein said control is located in a movable remote control device.
30. A control according to claim 26 , wherein said control communicates with said appliances and said devices via a wireless connection.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US10/867,919 US20050277381A1 (en) | 2004-06-15 | 2004-06-15 | System to control environmental conditions in a living space |
CNA2005100795601A CN1722040A (en) | 2004-06-15 | 2005-06-15 | System to control environmental conditions in a living space |
BR0502369-6A BRPI0502369A (en) | 2004-06-15 | 2005-06-15 | System to control environmental conditions in an inhabited space |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/867,919 US20050277381A1 (en) | 2004-06-15 | 2004-06-15 | System to control environmental conditions in a living space |
Publications (1)
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US20050277381A1 true US20050277381A1 (en) | 2005-12-15 |
Family
ID=35461146
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Application Number | Title | Priority Date | Filing Date |
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US10/867,919 Abandoned US20050277381A1 (en) | 2004-06-15 | 2004-06-15 | System to control environmental conditions in a living space |
Country Status (3)
Country | Link |
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US (1) | US20050277381A1 (en) |
CN (1) | CN1722040A (en) |
BR (1) | BRPI0502369A (en) |
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KR20190140821A (en) * | 2018-06-12 | 2019-12-20 | 엘지전자 주식회사 | Ceiling fan and controlling method thereof |
US11435103B2 (en) | 2019-11-22 | 2022-09-06 | Qc Manufacturing, Inc. | Multifunction adaptive whole house fan system |
US11609015B2 (en) | 2019-11-22 | 2023-03-21 | Qc Manufacturing, Inc. | Multifunction adaptive whole house fan system |
US11415333B2 (en) | 2019-11-22 | 2022-08-16 | Qc Manufacturing, Inc. | Fresh air cooling and ventilating system |
US11193687B2 (en) | 2019-11-22 | 2021-12-07 | Qc Manufacturing, Inc. | Multifunction adaptive whole house fan system |
US11092350B1 (en) | 2019-11-22 | 2021-08-17 | Qc Manufacturing, Inc. | Multifunction adaptive whole house fan system |
CN110986295A (en) * | 2019-12-16 | 2020-04-10 | 杭州涂鸦信息技术有限公司 | Remote intelligent control method and system for air conditioner |
US12006945B2 (en) * | 2023-02-24 | 2024-06-11 | Delta T, Llc | Automatic control system for ceiling fan based on temperature differentials |
Also Published As
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CN1722040A (en) | 2006-01-18 |
BRPI0502369A (en) | 2006-02-07 |
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