Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
  • F24D19/00—Details
  • F24D19/10—Arrangement or mounting of control or safety devices
  • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
  • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
  • F24D19/1015—Arrangement or mounting of control or safety devices for water heating systems for central heating using a valve or valves
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
  • F24D19/00—Details
  • F24D19/10—Arrangement or mounting of control or safety devices
• • 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
  • G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
  • G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
  • G05D23/1932—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of a plurality of spaces
  • G05D23/1934—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of a plurality of spaces each space being provided with one sensor acting on one or more control means
• • 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 relates to a device for control room temperature of each room adapted to a heating environment and its method in an individual room temperature control system, more specifically to a device for control room temperature of each room adapted to a heating environment that allows a temperature control system to be adapted by itself to a heating environment (quantity of heat of a heating source, magnitude of load, difference between setting temperature and room temperature) by reflecting changes in the heating environment and data obtained by previous heating into the control, and reduces unnecessary energy consumption by controlling the quantity of heat of the heating source (boiler) at the minimum required level by integrating the requirements of individual rooms.
• heating apparatuses implement apparatuses that supply warm water to a heating system, etc., which burn fuel therein, such as gas, heat heating water using combustion heat created by the combustion, and then heat the inside of a room by circulating the heating water through heat pipes provided in the floor, etc. in the room, or supply hot water using the heating water.
• fuel therein such as gas
• heat heating water using combustion heat created by the combustion
• Control methods for maintaining the interior temperature at user-desired setting temperature in this heating apparatuses can be divided into a method of turning on/off a heating apparatus by measuring the interior temperature, a method of turning on/off a heating apparatus by measuring the temperature of water in a heat pipe, and a method of continuing operation for a time set by a user and stopping the operation for a time set in advance.
• the method of controlling the heating temperature while measuring the interior temperature in the above methods turns on/off the heating apparatus by comparing the temperature set by the user with the interior temperature measured by a temperature sensor attached to an interior temperature controller, and a process that is controlled by the method is shown in FIG. 1.
• FIG. 1 is a graph illustrating a change process of the interior temperature according to a method of controlling a heating apparatus in the related art.
• a user sets the desired interior temperature using an interior temperature controller provided in a room, in which the set interior temperature becomes T_set, and heating stop temperature T_off and heating start temperature T_on are set within a predetermined range above and below the interior temperature T_set set by the user.
• the heating stop temperature T_off and heating start temperature T_on are values inputted in advance in the interior temperature controller, and for example, when the user set desired interior temperature at 25 0 C, the heating stop temperature T_off may be set to 26 0 C and heating start temperature T_on may be set to 24 0 C to have a range of I 0 C above and under the set temperature.
• the interior temperature increases, in which the interior temperature is detected by a temperature sensor attached to the interior temperature controller.
• the interior temperature detected by the temperature sensor reaches the heating stop temperature T_off of 26 0 C, the user judges that the desired temperature is achieved and stops the heating apparatus.
• the present invention is designed to overcome the above problems, it is an object of the present invention to provide a device for control room temperature of each room adapted to a heating environment that converts interior temperature set by an individual room controller into needed quantity of heat and controls a boiler to supply needed quantity of heat by integrate the interior temperature, using a valve controller, in which the individual room controller controls valves to turn on/off by comparing the quantity of heat supplied by the boiler from the valve controller with quantity of heat needed for each room and then determining the changes in the heating environment, in order to be adapted by itself to the heating environment, and a method of controlling room temperature of each room adapted to the heating environment.
• a device for control room temperature of each room adapted to a heating environment includes: a boiler that creates heat, exchanges the heat with heating water, and then circulates the heating water through each heating load; one or more heat pipes that are provided to heating positions; heating control valves that is provided to allow or stop the circulation of the heating water through the heat pipes; an individual room controller that makes it possible to set the interior temperature for each room, and converts the set interior temperature into return water control temperature and then outputs the return water control temperature; a valve controller that controls the quantity of heat of the boiler by integrating the return water control temperature transmitted from one or more individual room controllers and outputs a control signal to the boiler to maintain the highest return water control temperature of the return water control temperature required by the individual room controller; and a valve actuating unit that turns on/off the valve control valve according to the control signal of the valve controller.
• a method of controlling room temperature of each room adapted to heating environment includes:
• the return water control temperature of the boiler is set to the highest return water control temperature of the return water control temperature of each room in the performing of heating.
• the present invention is advantageous in achieving more effective control, as compared with individual room control systems that do not controlling a heat source, by reducing the differences in temperature that repeatedly occur, using a method of controlling a heating system that is adapted to a heating environment by itself, and in saving energy by reducing unnecessary waste of energy.
• FIG. 1 is a graph illustrating a change process of the interior temperature according to a method of controlling a heating apparatus in the related art.
• FIG. 2 is a view illustrating the configuration for achieving the present invention.
• FIG. 3 is a flowchart illustrating a method of controlling room temperature of each room adapted to heating environment according to the present invention. Best Mode for Carrying out the Invention
• FIG. 2 is a view illustrating the configuration for achieving the present invention.
• a boiler 10 creates combustion heat by burning gas or oil in a combustion chamber, exchanges the heat with heating water in a heat exchanger disposed in the boiler 10, heats each room by supplying the heating water to heat pipe unit 20:20a, 20b, 20c ⁇ 2On provided in each room through a heating water di scharge pipe 60, returns the heating water of which the temperature has dropped to a low temperature through a heating water return pipe 70, heats again the heating water at high temperature by exchanging heat with combustion heat, and then supplies the heating water to the heat pipe unit 20, which is repeated.
• the fuel such as gas or oil
• the fuel which is supplied to create combustion engine while burning in the boiler 10 is supplied, for example, through a proportional control valve (not shown). Accordingly, it is possible to adjust the quantity of heat created in the boiler 10 by controlling the amount of opening of the proportional control valve to adjust the amount of fuel that is supplied into the combustion chamber.
• the heat pipe unit 20 may be composed of one or more heat pipes for each room.
• Heating control valves Vl - Vn that opens/closes the heat pipes to circulate or stop the heating water are disposed at a side of the heat pipes.
• the heating control valves Vl - Vn is controlled to open/close by a valve actuating unit 40 that is controlled by a valve controller 30.
• Individual room controllers 50 50a, 50b, 50c - 50n each have a function of enabling a user to set desired interior temperature for each room and are equipped with an interior temperature detecting unit (not shown) to control the interior temperature at desired level by detecting the interior temperature.
• One individual room controller 50 is provided for each room, but is not limited thereto and a plurality of room controllers may be provided in a large room. Further, one room controller may be provided to control a plurality of rooms, if necessary.
• the valve controller 30 controls quantity of heat of the boiler 10 by integrating information on the quantity of heat transmitted from the individual room controllers 50 while controlling the heating control valves Vl - Vn to turn on/off by controlling the valve actuating unit 40.
• the individual room controller 50 converts the set temperature into boiler return water control temperature and transmits it to the valve controller 30 and the valve controller 30 correspondingly controls the quantity of heat of the boiler 10 by integrating the return water control temperature of each room required by the individual room controller 50, in which the quantity of heat of the boiler 10 is controlled to the quantity of heat where the highest temperature of the return water control temperature of each room set by the individual room controller 50 can be maintained.
• the boiler 10 is controlled to create the quantity of heat that is needed to maintain the return control water temperature set by the user in each room, such that it is possible to prevent unnecessary waste of fuel.
• FIG. 3 is a flowchart illustrating a method of controlling room temperature of each room adapted to a heating environment according to the present invention.
• the individual room controller 50 calculates return water control temperature of each room for keeping the interior temperature at the set temperature and transmits the calculated result to the valve controller 30.
• the valve controller 30 integrates the return water control temperature of each room transmitted from the individual room controller 50 and then controls the heating control valves Vl - Vn to turn on/off while controlling the boiler 10 to maintain the highest return water control temperature of each room (S2).
• the individual room controller 50 calculates an object value for control of the interior temperature to maintain the interior temperature set by the user for each room as follow,
• T(n) set interior temperature - Ks ⁇ t
• T(n) is a new object valve for control according to the interior temperature set by the user
• K is a control calibration constant
• ⁇ t boiler return water control temperature - return water control temperature of the room to be controlled.
• the individual room controller 50 controls the heating control valve Vl - Vn to turn on/off such that the object value for control T(n) calculated as described above is maintained.
• the individual room temperature 50 determines whether the present interior temperature is lower than valve opening temperature Temp_ON (S3) and then opens the heating control valve of the corresponding room to start heating when it is lower than the valve opening temperature Temp_ON (S4).
• valve closing temperature Temp_OFF it is determined whether the present interior temperature increases higher than valve closing temperature Temp_OFF to determine whether the heating is achieved up to the set temperature (S5), and then the heating control valve of the corresponding room is closed to stop the heating when it is determined that it is higher than the valve closing temperature Temp_OFF (S6).
• T(n- 1) is the object value for control of the previous cycle.
• the present invention when the present invention is applied to a temperature control system of individual rooms, the present invention can make it possible to not only make a temperature control system adapted by itself to the heating environment, but prevent unnecessary waste of energy.

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Remote Sensing (AREA)
• General Physics & Mathematics (AREA)
• Automation & Control Theory (AREA)
• Steam Or Hot-Water Central Heating Systems (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=40718312

Family Applications (1)

Country Status (5)

Families Citing this family (30)

Family Cites Families (23)

• 2007
  • 2007-12-07 KR KR1020070127042A patent/KR100924466B1/ko active Active
• 2008
  • 2008-10-22 CN CN200880119733XA patent/CN101889176A/zh active Pending
  • 2008-10-22 WO PCT/KR2008/006242 patent/WO2009072744A2/en not_active Ceased
  • 2008-10-22 EP EP08858274.7A patent/EP2229558A4/de not_active Withdrawn
  • 2008-10-22 US US12/746,731 patent/US20110000973A1/en not_active Abandoned

Also Published As

Similar Documents

Legal Events