WO2013055134A2 - Method for controlling heating system - Google Patents

Method for controlling heating system Download PDF

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Publication number
WO2013055134A2
WO2013055134A2 PCT/KR2012/008282 KR2012008282W WO2013055134A2 WO 2013055134 A2 WO2013055134 A2 WO 2013055134A2 KR 2012008282 W KR2012008282 W KR 2012008282W WO 2013055134 A2 WO2013055134 A2 WO 2013055134A2
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WO
WIPO (PCT)
Prior art keywords
room
heating
valve
temperature
flow rate
Prior art date
Application number
PCT/KR2012/008282
Other languages
French (fr)
Korean (ko)
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WO2013055134A3 (en
Inventor
김용석
Original Assignee
주식회사 경동원
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Application filed by 주식회사 경동원 filed Critical 주식회사 경동원
Priority to CN201280050515.1A priority Critical patent/CN103946637A/en
Publication of WO2013055134A2 publication Critical patent/WO2013055134A2/en
Publication of WO2013055134A3 publication Critical patent/WO2013055134A3/en

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    • 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
    • F24D19/1018—Radiator 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
    • F24D3/00—Hot-water central heating systems
    • 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
    • F24D19/08—Arrangements for drainage, venting or aerating
    • 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 heating system control method. Specifically, the opening degree value initially set in each room valve, the piping length of each room, the azimuth value of each room, and information on the return temperature of the heating water circulated and returned to each room
  • the present invention relates to a heating system control method for controlling the opening degree of each room valve by compensating the opening value of each room valve after comparison.
  • the heating system used in multi-family houses or large buildings uses individual heating to heat the fluid by means of a heat source such as a boiler installed independently in each household, and heats the fluid by an external heating source installed outside the household. After heating, the heated fluid is supplied to each household, and it is divided into the group heating.
  • the group heating is again divided into the central heating using a heat source such as a central boiler in a multi-family complex or a large building, and the outside of the multi-family housing complex. Distinguished by district heating using the same heat source as the local power plant.
  • such a heating system uses water as a heating fluid
  • the collective heating system includes a hot water supply header, a plurality of hot water pipes, and a hot water supply pipe branched from each other by a central supply pipe to which hot water heated from a heat source is supplied.
  • Each generation is heated by a generation hot water distribution system including a return header and a return pipe, and thereafter, the return pipes for each generation are concentrated back to the central return pipe and then return to the heat source.
  • Patent Document 1 Registered Patent 10-635107
  • Patent Document 2 The patent document describes a method for controlling a heating system in which a differential pressure flow control valve is proposed to maintain a constant differential pressure based on a difference in fluid pressure in a supply pipe and a return pipe in order to solve a pipe cavitation problem. Is disclosed.
  • the hot water distributor is a hot water supply header connected to the supply pipe branched from the central supply pipe, a plurality of hot water pipe passages branched to each room in the hot water supply header to supply heat And a hot water return header connected to each of the hot water pipe passages, a hot water return header connected to the return pipes to one place, a return pipe connected to the hot water return header, and the return pipe for each generation are connected again to one place. It consists of a central return pipe.
  • Patent Document 4 the return pipe is provided with a differential pressure flow control valve actuated by the fluid pressure difference between the return pipe and the supply pipe so that the fluid velocity increases to another room when one room is closed by the actuator. I do not want to.
  • Patent Document 5 since the differential pressure flow control valve is a mechanical operation using the differential pressure, not only the total flow rate control is not active, but there is a disadvantage in that the flow rate is not properly controlled, and moreover, the differential pressure flow control valve is actually used. Since the flow rate of the flowing fluid is unknown, there is a problem in that the flow rate valve must be separately installed.
  • Patent Document 6 In recent years, when a heating of a room is stopped, the control unit senses this and reduces the total static flow rate in the flow control valve by the flow rate that flowed in the room, thereby substantially reducing fuel costs and preventing flow rate increase. A heating system is introduced to prevent this from happening.
  • Patent Document 7 The control unit of the heating device controls the flow rate value of the flow control valve according to the following two methods, the first method detects the opening or closing of the actuator of the branch pipe valve from the total number of branch pipe valve It is to control the flow control valve to the flow rate value corresponding to the number of open branch valve uniformly by calculating the "open valve opening ratio" that is the number ratio of the open branch valve.
  • Patent Document 8 The flow rate control method for calculating the "opening valve opening ratio" as described above is, for example, in a house with four rooms, when the room temperature of two of the four actuators reaches the desired temperature and the actuator is closed, the total flow rate Assuming 100 is 100, it is a control method that supplies only 50 flow rates uniformly. This is applicable to a room having the same area and the same heating load, and in reality, not only the area of the room is different, but the heating loads are different even though the room area is the same, so that the required heat amount required for heating (hereinafter referred to as "necessary heat quantity") is It is different from each other and controlling the total flow rate by only opening the number of valves of the actuator is very large. As a result, overflow or low flow may occur in a room in which the optimum heating cannot be performed and the driver is open, which may cause cavitation problems and lower heating efficiency.
  • the second method is to keep in mind that the length of the branch pipe is proportional to the room area, the control unit detects all the open branch valve valves and the heating water is installed Opening valve length ratio is calculated by calculating the branch pipe opening length value obtained by adding up the lengths of the branch pipes. &Quot; to control the flow control valve to a flow rate value corresponding thereto.
  • Patent Document 10 The control method according to the "opening valve length ratio" is more advanced than the “opening valve opening ratio” control method, reflecting the fact that the sizes are different from each other, but the heating load of the room even in the same area. Since the differences are overlooked, there is a problem in that the flow rate is not supplied enough to actually provide the required heat quantity of the room.
  • Patent Document 11 For reference, even if the room area is the same, the difference in heat loss inevitably occurs depending on the number of windows provided in the room and whether or not the room is made of an outer wall having a large heat exchange with the outside air. It is different, and accordingly, the required calories for optimal heating are also changed.
  • Patent Document 12 That is, since the above-described heating apparatus approaches the total flow rate control from a very conceptual point of view, the total flow rate may be effectively controlled at first glance, but in reality, the heating load, which is very important in heating design, is not considered at all. Therefore, there is a problem that the flow rate supply is not made according to the required required heat amount.
  • the present invention has been invented to solve the above problems, the object is that the length of the heating pipe, the rise time of the return temperature taken until the temperature of the heating water reaches a specific temperature after the start of heating, the time associated with the room
  • the heating is controlled by the azimuth value, and in particular, it provides a heating system control method for compensating the opening degree of the valve according to the time difference by comparing the time measured during the return temperature of the heating water with the time of heating control. Its purpose is.
  • the present invention for achieving the above technical problem is to adjust the flow rate of the heating water supplied to each room by adjusting the opening degree of each of the plurality of room valves installed on each heating pipe in accordance with the heating load, which is introduced into each room valve
  • the heating system control method for controlling the temperature of each room to the temperature set by the room cone display unit installed in each room including the total calorific control valve for controlling the heating water flow rate, each room through the room cone display unit installed in each room.
  • the length and direction of the pipes of the room are inputted, and the time of heating water returned through each heating pipe reaches the same return temperature from each time the heating water flows into each heating pipe.
  • the opening amount ratio of each of the room valves is calculated in order to supply heat quantity proportionally to the room, and the opening degree of each of the room valves is adjusted according to the calculated opening amount ratio.
  • the opening amount of each room valve is corrected by comparing the measurement time zone and the control time zone when the opening amount of each room valve is controlled. It is done.
  • the opening amount of the total calorific control valve is adjusted to be smaller than the opening amount of the heating pipe is turned off at the initial opening. do.
  • the current temperature of the heating water is returned by circulating the heating pipes in each room, and after the predetermined time elapses after the measurement of the current temperature was measured to compare the two temperatures by measuring the later temperature At this time, if there is no temperature difference between the two temperatures, each room valve or the return temperature sensor is characterized in that displayed on the room display unit.
  • the initial value is set through the values and time inputted to the piping length and the orientation information of each room, and combined with the return temperature of the heating water reflecting the actual environmental conditions of each room to be requested in each room.
  • FIG. 1 and 2 is a schematic view showing a heating system according to the heating system control method of the present invention.
  • Figure 3 is a flow chart showing the order of heating through the heating system control method of the present invention.
  • FIG. 4 is a flowchart illustrating a correction method reflecting the number of heating condition rooms when the opening amount of each room valve is corrected.
  • FIG. 5 is a flowchart illustrating a procedure performed when an abnormal symptom of the heating system control method of the present invention occurs.
  • FIG. 6 is an exemplary view of a house built to have an area of 85 m 2 with respect to Seoul to explain the control method of the heating system of the present invention.
  • FIG. 7 is a diagram illustrating external and internal load conditions of FIG. 6.
  • FIG. 8 is a view showing a load condition of each room arranged in FIG. 6.
  • 9 to 12 are graphs showing the flow rate flowing into each room according to the heating system control method of the present invention.
  • 13 to 16 are graphs showing the flow rate of the flow rate flowing into each room according to the heating system control method of the present invention.
  • FIG. 17 is a graph illustrating an analysis of calories and an error rate of each room according to the conditions of FIGS. 9 to 16.
  • FIG. 1 and 2 is a schematic view showing a heating system according to the heating system control method of the present invention.
  • the heating system applied to the present invention is a structure in which the heating water supplied from the heat source is returned and recovered after passing through each room, the heating flows into each heating pipe at the inlet side of the heating pipe of each room.
  • Each room valve 30 for regulating water and the total calorific control valve 40 for controlling the heating water required for each room are provided, and the outlet of each room piping is used to measure the temperature of the heating water circulating in each room.
  • the side is composed of a structure that is provided with a return temperature sensor (50).
  • each of the rooms is provided with a room-con display unit 20 for inputting the set temperature of the room and the azimuth value of the room.
  • the set temperature of the room and the azimuth value of the room can also be input through the valve controller (10).
  • the valve controller 10 controls each of the room valve 30 and the total calorific value control valve 40, and is electrically connected to the room cone display unit 20 and is controlled by data input through the room cone display unit 20. Each of the valves described above is controlled.
  • the room cone display unit 20 and the valve controller 10 are controlled by a controller (not shown).
  • FIG. 3 is a flowchart illustrating a heating sequence through the heating system control method of the present invention.
  • FIG. 4 is a flowchart illustrating a correction method reflecting the number of heating conditions rooms when the opening amount of each valve is corrected. It is a flowchart which shows the procedure when the abnormal symptom of the heating system control method of this invention generate
  • the pipe lengths installed in the rooms and the orientation information of each room are input through the room cone display unit 20 (S10).
  • the input of the pipe length and the orientation information of each room may be set in the room cone display unit 20 or a valve controller (not shown).
  • the input data is stored in the controller.
  • the pipe length and the direction information of each room are stored in the control unit (S11), and the pipe length and the room direction information are set as the default values of the room valves 30 (S13).
  • the orientation information of each room indicates where each room is located. For example, it is to supply heating water differently in consideration of the amount of sunshine for a room that is sunny in the south and a room that is sunny in the north.
  • the default value is to include a temperature for circulating each room and detecting a return temperature to be recovered and for supplying heating water when the return temperature is detected below a reference value.
  • the optimum flow rate is supplied to be proportional to the required heat quantity of the room, but the control of the actuator of the room to be heated is closed to close the return path of the room to close the sum of the total optimum flow rate values. It is to reduce the flow rate according to the ratio of the optimum flow rate value of the room.
  • the heating condition is detected by detecting the state (temperature) of each room (S13) and the heating water is not introduced when the heating condition of each room is not reached.
  • the return temperature circulated through the room is measured (S14), and the difference between the temperature of the initial heating water and the return temperature reached and circulated is compared (S15).
  • the opening degree of each room valve is adjusted (S16) by the corrected value of each room valve compared with the initial opening value.
  • the heating water is introduced into each room. If the heating conditions are not met, the opening value of each room valve 30 is determined as an initial value and the heating water is not introduced.
  • the above sequence is summarized by measuring the time at which the heating water returned through each heating pipe reaches the same return temperature from the time when the heating water flows into each heating pipe, and the piping length, azimuth value and the same value of the respective rooms are measured. After determining the heating load of each room proportional to the return temperature reaching time, the opening amount ratio for each room valve is calculated to supply heat quantity proportionally to each room according to the heating load, and the calculated opening amount ratio According to the opening degree of each of the room valve is to be adjusted.
  • the opening amount of each room valve is corrected by comparing the measurement time zone and the control time zone when controlling the opening amount of each room valve.
  • the controller initializes the opening value of the total calorific control valve (S20).
  • the opening amount of the total calorific control valve is adjusted to be smaller than the opening amount of the heating pipe with the heating off at the initial opening.
  • each room valve is also adjusted based on the time during which the return temperature of each room valve increases by more than 5 degrees.
  • each room valve is controlled to reduce the opening degree of the other rooms in order to measure the time while increasing by more than 5 degrees and to further supply the flow rate to the most time-consuming room.
  • the above-described embodiment is to control the opening rate of each room valve to be heated to the optimum heating conditions.
  • valves are determined to be normal when the valves are opened and each cycle is finished after a predetermined time and the temperature of the returned water is sensed and it is determined that there is a temperature change compared to the current return temperature. If there is no temperature change, the abnormal condition of the return temperature sensor and each room valve 30 is displayed on the room cone display unit 20.
  • the heating water continues to circulate each room while the boiler is running, the temperature of each room should change. Therefore, when there is no change in temperature when comparing the temperature of the returned water and the returned water, the room valve 30 or the return water temperature sensor is abnormal. Will be.
  • FIG. 6 is an exemplary view for explaining a control method of a heating system of the present invention
  • Figure 7 is a view showing the load conditions of the outside and inside of Figure 6
  • Figure 8 shows the load conditions of each room arranged in Figure 6 Drawing.
  • FIGS. 6 to 8 the drawings and tables shown in FIG. 1 are based on Seoul, and examples of a house constructed such that a bedroom 1 and a bedroom in the north, a living room and a bedroom 2 in the south, and an area of 85 m 2 are arranged. Will be lifted.
  • FIGS. 9 to 12 are graphs showing the flow rate flowing into each room according to the heating system control method of the present invention
  • Figure 13 to 16 is a flow rate flowing into each room according to the heating system control method of the present invention
  • FIG. 17 is a graph showing the flow rate of FIG. 17,
  • FIG. 17 is a diagram illustrating a calorimetry and an error rate of each room according to the conditions of FIGS. 9 to 16.
  • Figure 9 to 12 it shows the flow rate flowing in accordance with each heating system
  • Figure 9 is a living room
  • Figure 10 is a room
  • Figure 11 is a bedroom 1
  • Figure 12 shows the flow rate flowing into the bedroom 2.
  • the graph shown by the rectangular symbol line shows the flow rate flowing in a general heating system
  • the rhombus symbol line shows the ideal flow rate
  • the triangle symbol line shows the flow rate controlled and controlled according to the present invention. It is.
  • Figure 13 shows the flow rate of the flow rate flowing in accordance with each heating system
  • Figure 14 is a room
  • Figure 15 is a bedroom 1
  • Figure 16 is a flow rate of the flow into the bedroom 2 The flow rate is shown.
  • the graph shown by the square symbol line shows the flow rate of the flow rate flowing in the general heating system
  • the rhombus symbol line shows the flow rate of the ideal flow rate flow
  • the triangle symbol line is controlled inflow according to the present invention The flow rate of the flow rate shown is shown.
  • the error of the control of the ideal heating system and the heating system control method according to the present invention does not have a large amount of efficient heating.
  • the bedroom 1 and the room located in the north is required for more flow rate than the bedroom 2 and the living room, it can be seen that the effective heating control is made by circulating the heating water faster.
  • the amount of heat required in each room is uniformly maintained for each time zone according to the load condition such as the time zone and the orientation value of each room through the heating control system of the present invention.
  • the room located in the south can be seen that the amount of inflow of the flow rate is appropriately controlled during the day time when the sunshine is rich, thereby limiting the supply of unnecessary heating water.
  • valve controller 20 room cone display unit
  • each room valve 40 total calorie control valve

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Abstract

The present invention relates to a method for controlling a heating system, and specifically, to a method for controlling a heating system, wherein a flow rate and the amount of heat suitable for each room are controlled such that each room is heated smoothly if the amount of the heat required for each room varies according to the length of the pipes and bearings of each room. The present invention provides a method for controlling a heating system, in which a total heat amount control valve is comprised to: control a flow rate of the heating water supplied to each room by adjusting the open degree of each of a plurality of room valves installed on each heating pipe according to heating loads; and adjust a flow rate of the heating water flowing into each of the room valves, so that the temperature in each room is controlled at a temperature which is set by room controller display units installed in each room, wherein: the length of pipes and bearing values of each room are inputted through the room controller display units installed in each room; a time when the heating water returned via each heating pipe respectively reaches the same return water temperature is measured from a time when the heating water flows into each heating pipe so as to determine the heating loads of each room, which are in proportion to the length of the pipes, the bearing values linked with time, and the same return water temperature arrival time in each room; the ratio of the open degree of every room valve is calculated to proportionally supply heat to each room according to the heating loads; and the open degree of each room valve is adjusted according to the calculated ratio of the open degree.

Description

난방시스템 제어방법Heating system control method
본 발명은 난방시스템 제어방법에 관한 것으로, 구체적으로는 각 방 밸브에 초기 세팅된 개도값과, 각 방의 배관길이, 각 방의 방위값 및 각 방을 순환하고 환수되는 난방수의 환수온도의 정보를 비교한 후 각 방 밸브의 개도값을 보정하여 각 방 밸브의 개도를 제어하는 난방시스템 제어방법에 관한 것이다.The present invention relates to a heating system control method. Specifically, the opening degree value initially set in each room valve, the piping length of each room, the azimuth value of each room, and information on the return temperature of the heating water circulated and returned to each room The present invention relates to a heating system control method for controlling the opening degree of each room valve by compensating the opening value of each room valve after comparison.
공동주택이나 대형건물에 사용되는 난방시스템은, 각 세대에 독립적으로 설치된 보일러와 같은 열원에 의해 유체를 가열한 후 이를 이용하여 난방을 실시하는 개별난방과, 세대 외부에 설치된 외부 열원에 의해 유체를 가열한 후 가열된 유체를 각 세대별로 공급받아 난방을 실시하는 집단난방으로 구별되며, 다시 집단난방은 공동주택 단지 또는 대형건물 내의 중앙 보일러와 같은 열원을 사용하는 중앙난방과, 공동주택 단지 외부의 지역 발전소와 같은 열원을 사용하는 지역난방으로 구별된다.The heating system used in multi-family houses or large buildings uses individual heating to heat the fluid by means of a heat source such as a boiler installed independently in each household, and heats the fluid by an external heating source installed outside the household. After heating, the heated fluid is supplied to each household, and it is divided into the group heating.The group heating is again divided into the central heating using a heat source such as a central boiler in a multi-family complex or a large building, and the outside of the multi-family housing complex. Distinguished by district heating using the same heat source as the local power plant.
이러한 난방 시스템은 가열 유체로서 물을 사용하는 것이 일반적이며, 특히 집단난방은 열원으로부터 가열된 온수가 공급되는 중앙 공급 관으로부터 각 세대별로 분기되는 공급관이 온수공급헤더와, 다수의 온수관로와, 온수환수헤더 및 환수관을 포함하는 세대별 온수분배기 장치를 통해 각 세대별 난방을 실시하고 이후 각 세대별 환수관들이 다시 중앙환수관으로 집중된 후 열원으로 환수되는 순환시스템을 갖는다.In general, such a heating system uses water as a heating fluid, and in particular, the collective heating system includes a hot water supply header, a plurality of hot water pipes, and a hot water supply pipe branched from each other by a central supply pipe to which hot water heated from a heat source is supplied. Each generation is heated by a generation hot water distribution system including a return header and a return pipe, and thereafter, the return pipes for each generation are concentrated back to the central return pipe and then return to the heat source.
[선행기술문헌][Preceding technical literature]
[특허문헌][Patent Documents]
(특허문헌 1) 등록특허 10-635107호(Patent Document 1) Registered Patent 10-635107
(특허문헌 2) 상기 특허문헌에는 파이프의 캐비테이션 문제를 해소하기 위하여 공급관과 환수관 내의 유체 압력차이에 기초하여 그들의 차압을 일정하게 유지해주는 차압유량조절밸브가 제시되는 난방시스템 제어방법에 관한 기술이 개시되어 있다.(Patent Document 2) The patent document describes a method for controlling a heating system in which a differential pressure flow control valve is proposed to maintain a constant differential pressure based on a difference in fluid pressure in a supply pipe and a return pipe in order to solve a pipe cavitation problem. Is disclosed.
(특허문헌 3) 상기한 기술을 좀 더 구체적으로 살펴보면, 온수분배기는 중앙공급관에서 분기된 공급관과 연결된 온수공급헤더와, 상기 온수공급헤더에서 각 방으로 분기되어 열을 공급하는 다수의 온수관로들과, 상기 온수관로들과 각각 연통되는 환수파이프와, 상기 환수파이프들이 한 곳으로 연결되는 온수환수헤더와, 상기 온수환수헤더와 연결되는 환수관과, 상기 세대별 환수관이 다시 한 곳으로 연결되는 중앙환수관으로 구성된다.(Patent Document 3) Looking at the above-described technology in more detail, the hot water distributor is a hot water supply header connected to the supply pipe branched from the central supply pipe, a plurality of hot water pipe passages branched to each room in the hot water supply header to supply heat And a hot water return header connected to each of the hot water pipe passages, a hot water return header connected to the return pipes to one place, a return pipe connected to the hot water return header, and the return pipe for each generation are connected again to one place. It consists of a central return pipe.
(특허문헌 4) 여기에서, 상기 환수관에는 그 환수관과 공급관 사이의 유체 압력 차이에 의해 작동되는 차압유량조절밸브가 설치되어 어느 하나의 방이 구동기에 의해 폐쇄될 때 다른 방으로 유체 속도가 증가되지 않도록 하고 있다.(Patent Document 4) Here, the return pipe is provided with a differential pressure flow control valve actuated by the fluid pressure difference between the return pipe and the supply pipe so that the fluid velocity increases to another room when one room is closed by the actuator. I do not want to.
(특허문헌 5) 그러나 상기 차압유량조절밸브는 차압을 이용한 기계식 작동이기 때문에 전체 정유량 제어가 능동적이지 않을 뿐만 아니라, 유량조절이 제대로 이루어지지 않는 단점이 있고, 더욱이 차압유량조절밸브를 통해서는 실제로 흐르고 있는 유체의 정유량을 알 수 없기 때문에 정유량밸브를 별도로 설치하여야 하는 문제점이 있다.(Patent Document 5) However, since the differential pressure flow control valve is a mechanical operation using the differential pressure, not only the total flow rate control is not active, but there is a disadvantage in that the flow rate is not properly controlled, and moreover, the differential pressure flow control valve is actually used. Since the flow rate of the flowing fluid is unknown, there is a problem in that the flow rate valve must be separately installed.
(특허문헌 6) 이에 따라 최근에는, 어느 방의 난방이 중지되면 제어부가 이를 감지하여 원래 그 방에 흐르던 유량만큼 유량조절밸브에서 전체 정유량을 감소시켜 실질적으로 연료비를 절감하고 유속증가를 방지하여 캐비테이션이 일어나는 것을 예방하는 난방장치가 소개되고 있다.(Patent Document 6) In recent years, when a heating of a room is stopped, the control unit senses this and reduces the total static flow rate in the flow control valve by the flow rate that flowed in the room, thereby substantially reducing fuel costs and preventing flow rate increase. A heating system is introduced to prevent this from happening.
(특허문헌 7) 이 난방장치의 제어부는 다음과 같은 두 가지 방법에 따라 유량조절밸브의 유량값을 제어하는데, 첫 번째 방식은 분기관밸브의 구동기 개폐 여부를 감지하여 전체 분기관밸브의 개수 중에서 개방된 분기관밸브의 개수 비율인 "개방밸브개수비율"을 계산하여 일률적으로 개방된 분기관밸브 개수에 해당하는 유량값으로 유량조절밸브를 제어하는 것이다.(Patent Document 7) The control unit of the heating device controls the flow rate value of the flow control valve according to the following two methods, the first method detects the opening or closing of the actuator of the branch pipe valve from the total number of branch pipe valve It is to control the flow control valve to the flow rate value corresponding to the number of open branch valve uniformly by calculating the "open valve opening ratio" that is the number ratio of the open branch valve.
(특허문헌 8) 위와 같은 "개방밸브개수비율"을 계산한 유량제어 방식은 예컨대 4개의 방을 가진 주택의 경우 4개의 구동기 중 2개 방의 실내온도가 희망온도에 도달하여 구동기가 닫히면 전체 정유량을 100으로 가정할 때 일률적으로 50의 유량만 공급하는 제어방식이다. 이것은 동일한 면적과 동일한 난방부하를 갖는 방에나 적용 가능한 것으로서 현실적으로는 방의 면적이 각각 다를 뿐만 아니라 방 면적이 동일하여도 난방부하가 서로 다르기 때문에 난방에 필요한 요구열량(이하, "필요요구열량")이 서로 달라져 일률적으로 구동기의 밸브개방개수만으로 전체 정유량을 제어하는 것은 오차가 매우 커지게 된다. 그 결과, 최적의 난방을 수행할 수 없고 구동기가 열려 있는 방으로 과유량 또는 저유량 현상이 일어나 캐비테이션 문제 및 난방효율 저하가 일어날 수 있다.(Patent Document 8) The flow rate control method for calculating the "opening valve opening ratio" as described above is, for example, in a house with four rooms, when the room temperature of two of the four actuators reaches the desired temperature and the actuator is closed, the total flow rate Assuming 100 is 100, it is a control method that supplies only 50 flow rates uniformly. This is applicable to a room having the same area and the same heating load, and in reality, not only the area of the room is different, but the heating loads are different even though the room area is the same, so that the required heat amount required for heating (hereinafter referred to as "necessary heat quantity") is It is different from each other and controlling the total flow rate by only opening the number of valves of the actuator is very large. As a result, overflow or low flow may occur in a room in which the optimum heating cannot be performed and the driver is open, which may cause cavitation problems and lower heating efficiency.
(특허문헌 9) 한편 두 번째 방식은 방 면적에 따라 분기관의 길이가 비례한다는 점을 염두에 둔 것으로, 상기 제어부가 개방된 분기관밸브를 모두 감지하고 그 개방된 분기관밸브가 설치된 난방수 분기관의 각 길이를 모두 합한 분기관개방길이값을 계산하여, 그 분기관 개방길이 값이 전체 난방수 분기관의 각각의 길이값을 합한 분기관전체길이값 중에 차지하는 비율인 "개방밸브길이비율"을 산출하여 여기에 대응되는 유량값으로 상기 유량조절밸브를 제어하는 것이다.(Patent Document 9) On the other hand, the second method is to keep in mind that the length of the branch pipe is proportional to the room area, the control unit detects all the open branch valve valves and the heating water is installed Opening valve length ratio is calculated by calculating the branch pipe opening length value obtained by adding up the lengths of the branch pipes. &Quot; to control the flow control valve to a flow rate value corresponding thereto.
(특허문헌 10) 이 "개방밸브길이비율"에 따른 제어방식은 "개방밸브개수비율" 제어방식보다는 한층 진보된 것이어서 실제로 방크기가 서로 다르다는 점을 반영한 것이지만, 동일한 면적의 방이라도 그 방의 난방부하가 서로 다르다는 점은 간과하였기 때문에 실제로 해당 방의 "필요요구열량"을 제공할 정도로 유량 공급이 이루어지지 않는 문제점이있다.(Patent Document 10) The control method according to the "opening valve length ratio" is more advanced than the "opening valve opening ratio" control method, reflecting the fact that the sizes are different from each other, but the heating load of the room even in the same area. Since the differences are overlooked, there is a problem in that the flow rate is not supplied enough to actually provide the required heat quantity of the room.
(특허문헌 11) 참고로, 방 면적이 동일하여도 그 방에 구비된 창의 개수나, 그 방이 외기와의 열교환이 큰 외벽으로 이루어졌는가의 여부 등에 따라 손실열량의 차이가 필연적으로 생기기 때문에 난방부하가 상이해지고, 이에 따라 최적난방을 위한 필요요구열량도 달라지는 것이다.(Patent Document 11) For reference, even if the room area is the same, the difference in heat loss inevitably occurs depending on the number of windows provided in the room and whether or not the room is made of an outer wall having a large heat exchange with the outside air. It is different, and accordingly, the required calories for optimal heating are also changed.
(특허문헌 12) 즉, 상술한 난방장치는 전체 정유량 제어를 매우 개념적인 시각에서 접근하였으므로, 얼핏 보면 전체 정유량이 효과적으로 제어될 것 같지만 현실적으로 난방설계를 함에 있어서 매우 중요한 난방부하를 전혀 고려하지 않았기 때문에 그에 따른 필요요구열량에 적합한 유량 공급이 이루어지지 않는 문제점이 있다.(Patent Document 12) That is, since the above-described heating apparatus approaches the total flow rate control from a very conceptual point of view, the total flow rate may be effectively controlled at first glance, but in reality, the heating load, which is very important in heating design, is not considered at all. Therefore, there is a problem that the flow rate supply is not made according to the required required heat amount.
본 발명은 상기한 문제점을 해결하기 위해 발명된 것으로, 그 목적은 난방배관의 길이, 난방수의 온도가 난방개시 후 특정온도에 도달할 때까지 걸린 환수온도의 상승시간, 해당 방의 시간과 연계되는 방위값에 의하여 난방을 제어하며, 특히 난방수의 환수온도 상승시간을 측정한 시각과 난방제어할 때의 시각을 비교하여 시각차에 따라 밸브의 개도율을 보정할 수 있는 난방시스템 제어방법을 제공하는데 그 목적이 있다.The present invention has been invented to solve the above problems, the object is that the length of the heating pipe, the rise time of the return temperature taken until the temperature of the heating water reaches a specific temperature after the start of heating, the time associated with the room The heating is controlled by the azimuth value, and in particular, it provides a heating system control method for compensating the opening degree of the valve according to the time difference by comparing the time measured during the return temperature of the heating water with the time of heating control. Its purpose is.
상기한 기술적 과제를 달성하기 위한 본 발명은 난방부하에 따라 각 난방배관 상에 설치된 복수의 각 방밸브 개도를 조절하여 각 방에 공급되는 난방수의 유량을 조절하고, 상기 각 방 밸브로 유입되는 난방수 유량을 조절하는 전체 열량조절밸브를 포함하여, 각 방의 온도를 각 방에 설치되는 룸콘 디스플레이부에서 설정한 온도로 제어하는 난방시스템 제어방법에 있어서, 각 방에 설치되는 룸콘 디스플레이부를 통하여 각 방의 배관길이 및 방위값을 입력하고, 각 난방배관으로 난방수를 유입한 시간으로부터 각 난방배관을 경유하여 환수되는 난방수가 각각 동일한 환수온도에 도달하는 시간을 측정하여, 상기 각 방의 배관길이와 시간과 연계되는 방위값 및 동일 환수온도 도달시간에 비례하는 각 방의 난방부하로 정한 후, 상기 난방부하에 따라 각 방에 비례적으로 열량을 공급하기 위해 상기 각 방밸브마다의 개도량 비율을 연산하며, 상기 연산된 개도량 비율에 따라 상기 각 방밸브의 개도가 조절되는 것을 특징으로 한다.The present invention for achieving the above technical problem is to adjust the flow rate of the heating water supplied to each room by adjusting the opening degree of each of the plurality of room valves installed on each heating pipe in accordance with the heating load, which is introduced into each room valve In the heating system control method for controlling the temperature of each room to the temperature set by the room cone display unit installed in each room, including the total calorific control valve for controlling the heating water flow rate, each room through the room cone display unit installed in each room The length and direction of the pipes of the room are inputted, and the time of heating water returned through each heating pipe reaches the same return temperature from each time the heating water flows into each heating pipe. After determining the heating load of each room in proportion to the azimuth value and the same return temperature reaching time, The opening amount ratio of each of the room valves is calculated in order to supply heat quantity proportionally to the room, and the opening degree of each of the room valves is adjusted according to the calculated opening amount ratio.
일 실시예에 있어서, 상기 환수온도 도달시간 측정시 측정한 측정시간대를 저장한 후, 각 방 밸브의 개도량 제어시 상기 측정시간대와 제어시간대를 비교하여 각 방 밸브의 개도량을 보정하는 것을 특징으로 한다.In one embodiment, after measuring the time zone measured when measuring the return temperature reached time, the opening amount of each room valve is corrected by comparing the measurement time zone and the control time zone when the opening amount of each room valve is controlled. It is done.
일 실시예에 있어서, 상기 각 방 난방배관 중에서 난방이 오프된 난방배관이 발생되면 상기 전체 열량조절밸브의 개도량은 초기 개도에서 난방이 오프된 난방배관의 개도량 비율만큼 작게 조절하는 것을 특징으로 한다.In one embodiment, when the heating pipe is turned off of the heating pipe in each room is generated, the opening amount of the total calorific control valve is adjusted to be smaller than the opening amount of the heating pipe is turned off at the initial opening. do.
일 실시예에 있어서, 각 방 난방배관을 순환하여 환수되는 난방수의 현재 온도를 측정하고, 현재온도 측정 후 소정시간이 경과된 이후에 환수되는 난방수의 나중 온도를 측정하여 두 온도를 비교하였을 때, 두 온도 간에 온도차가 없을 경우 상기 각 방 밸브 또는 환수온도센서에 이상이 있는 것으로 상기 룸콘 디스플레이부에 표시하는 것을 특징으로 한다.In one embodiment, the current temperature of the heating water is returned by circulating the heating pipes in each room, and after the predetermined time elapses after the measurement of the current temperature was measured to compare the two temperatures by measuring the later temperature At this time, if there is no temperature difference between the two temperatures, each room valve or the return temperature sensor is characterized in that displayed on the room display unit.
본 발명의 난방시스템 제어방법에 의하면, 각 방의 배관길이 및 방위정보에 입력 된 값 및 시간을 통하여 초기값을 설정하고, 각 방의 실제 환경조건이 반영된 난방수의 환수온도를 조합하여 각 방에서 요구되는 열량을 판단하여 각 방에 공급되는 난방수를 조절함으로서 각 방의 난방이 균일하게 이루어져 쾌적한 실내환경을 제공하는 큰 효과가 있다.According to the heating system control method of the present invention, the initial value is set through the values and time inputted to the piping length and the orientation information of each room, and combined with the return temperature of the heating water reflecting the actual environmental conditions of each room to be requested in each room. By judging the amount of heat to be supplied to each room by controlling the heating water is uniformly heated in each room has a great effect of providing a comfortable indoor environment.
도 1 및 도 2는 본 발명의 난방시스템 제어방법에 따른 난방시스템을 나타낸 개략도이다. 1 and 2 is a schematic view showing a heating system according to the heating system control method of the present invention.
도 3은 본 발명의 난방시스템 제어방법을 통하여 난방이 되는 순서를 나타낸 순서도이다.Figure 3 is a flow chart showing the order of heating through the heating system control method of the present invention.
도 4는 각 방 밸브의 개도량 보정시 난방조건 방의 개수를 반영한 보정방법을 설명하기 위한 순서도이다.4 is a flowchart illustrating a correction method reflecting the number of heating condition rooms when the opening amount of each room valve is corrected.
도 5는 본 발명의 난방시스템 제어방법의 이상증상이 발생되었을 때의 수행절차를 나타낸 순서도이다.5 is a flowchart illustrating a procedure performed when an abnormal symptom of the heating system control method of the present invention occurs.
도 6은 본 발명의 난방시스템의 제어방법을 설명하기 위하여 서울을 기준으로 한 85㎡의 면적을 갖도록 건축된 집의 예시도이다.6 is an exemplary view of a house built to have an area of 85 m 2 with respect to Seoul to explain the control method of the heating system of the present invention.
도 7은 도 6의 외부 및 내부의 부하조건을 나타낸 도면이다. FIG. 7 is a diagram illustrating external and internal load conditions of FIG. 6.
도 8은 도 6에 배치되는 각 방의 부하조건을 나타낸 도면이다. FIG. 8 is a view showing a load condition of each room arranged in FIG. 6.
도 9 내지 도 12는 본 발명의 난방시스템 제어방법에 따라 각 방으로 유입되는 유량을 그래프로 표시한 도면이다. 9 to 12 are graphs showing the flow rate flowing into each room according to the heating system control method of the present invention.
도 13 내지 도 16은 본 발명의 난방시스템 제어방법에 따라 각 방으로 유입되는 유량의 유속을 그래프로 표시한 도면이다. 13 to 16 are graphs showing the flow rate of the flow rate flowing into each room according to the heating system control method of the present invention.
도 17은 도 9 내지 도 16의 조건에 따른 각 방의 열량 및 오차율을 분석한 도표로 나타낸 도면이다.FIG. 17 is a graph illustrating an analysis of calories and an error rate of each room according to the conditions of FIGS. 9 to 16.
본 발명을 충분히 이해하기 위해서 본 발명의 바람직한 실시예를 첨부 도면을 참조하여 설명한다. 본 발명의 실시예는 여러 가지 형태로 변형될 수 있으며, 본 발명의 범위가 아래에서 상세히 설명하는 실시예로 한정되는 것으로 해석되어서는 안 된다. 본 실시예는 당업계에서 평균적인 지식을 가진 자에게 본 발명을 보다 완전하게 설명하기 위하여 제공 되는 것이다. 따라서 도면에서의 요소의 형상 등은 보다 명확한 설명을 강조하기 위해서 과장되어 표현될 수 있다. 각 도면에서 동일한 부재는 동일한 참조부호로 도시한 경우가 있음을 유의하여야 한다. 또한, 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 공지 기능 및 구성에 대한 상세한 기술은 생략된다.In order to fully understand the present invention, preferred embodiments of the present invention will be described with reference to the accompanying drawings. Embodiment of the present invention may be modified in various forms, the scope of the invention should not be construed as limited to the embodiments described in detail below. This embodiment is provided to more completely explain the present invention to those skilled in the art. Therefore, the shape of the elements in the drawings and the like may be exaggerated to emphasize a more clear description. It should be noted that the same members in each drawing are sometimes shown with the same reference numerals. In addition, detailed descriptions of well-known functions and configurations that are determined to unnecessarily obscure the subject matter of the present invention are omitted.
이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 설명함으로써, 본 발명의 난방시스템 제어방법을 상세히 설명한다.Hereinafter, with reference to the accompanying drawings illustrating a preferred embodiment of the present invention, the heating system control method of the present invention will be described in detail.
도 1 및 도 2는 본 발명의 난방시스템 제어방법에 따른 난방시스템을 나타낸 개략도이다.1 and 2 is a schematic view showing a heating system according to the heating system control method of the present invention.
우선 본 발명의 난방시스템 제어방법을 설명하기에 앞서 난방시스템 제어방법에 사용되는 난방시스템에 대하여 설명하기로 한다.First, the heating system used in the heating system control method will be described before explaining the heating system control method of the present invention.
도 1 및 도 2를 참조하면, 본 발명에 적용되는 난방시스템은, 열원으로부터 공급되는 난방수가 각 방을 경유한 후 환수되어 회수되는 구조로서, 각 방의 난방배관 입구측에는 각 난방배관으로 유입되는 난방수를 조절하는 각 방 밸브(30) 및 상기 각 방에 필요한 난방수를 제어하는 전체 열량조절밸브(40)가 구비되고, 각 방을 순환한 난방수의 온도를 측정하기 위하여 각 방 배관의 출구측에는 환수온도센서(50)가 구비되는 구조로 구성된다. 1 and 2, the heating system applied to the present invention is a structure in which the heating water supplied from the heat source is returned and recovered after passing through each room, the heating flows into each heating pipe at the inlet side of the heating pipe of each room. Each room valve 30 for regulating water and the total calorific control valve 40 for controlling the heating water required for each room are provided, and the outlet of each room piping is used to measure the temperature of the heating water circulating in each room. The side is composed of a structure that is provided with a return temperature sensor (50).
또한, 상기 각 방에는 방의 설정온도 및 방의 방위값을 입력할 수 있는 룸콘 디스플레이부(20)가 구비된다. 한편, 상기 방의 설정온도 및 방의 방위값은 밸브제어기(10)를 통하여서도 입력이 가능하다.In addition, each of the rooms is provided with a room-con display unit 20 for inputting the set temperature of the room and the azimuth value of the room. On the other hand, the set temperature of the room and the azimuth value of the room can also be input through the valve controller (10).
상기 밸브제어기(10)는 각 방 밸브(30) 및 전체 열량조절밸브(40)를 제어하며, 상기 룸콘 디스플레이부(20)와 전기적으로 연결되어 룸콘 디스플레이부(20)를 통하여 입력되는 데이터에 의하여 상기한 각각의 밸브들을 제어한다. 상기 룸콘 디스플레이부(20) 및 밸브제어기(10)는 제어부(미도시)에 의해서 제어된다.The valve controller 10 controls each of the room valve 30 and the total calorific value control valve 40, and is electrically connected to the room cone display unit 20 and is controlled by data input through the room cone display unit 20. Each of the valves described above is controlled. The room cone display unit 20 and the valve controller 10 are controlled by a controller (not shown).
이하, 본 발명의 난방시스템 제어방법을 설명하기로 한다.Hereinafter, the heating system control method of the present invention will be described.
도 3은 본 발명의 난방시스템 제어방법을 통하여 난방이 되는 순서를 나타낸 순서도이며, 도 4는 각 방 밸브의 개도량 보정시 난방조건 방의 개수를 반영한 보정방법을 설명하기 위한 순서도이고, 도 5는 본 발명의 난방시스템 제어방법의 이상증상이 발생되었을 때의 수행절차를 나타낸 순서도이다.3 is a flowchart illustrating a heating sequence through the heating system control method of the present invention. FIG. 4 is a flowchart illustrating a correction method reflecting the number of heating conditions rooms when the opening amount of each valve is corrected. It is a flowchart which shows the procedure when the abnormal symptom of the heating system control method of this invention generate | occur | produced.
도 3을 참조하면, 본 발명의 난방시스템 제어방법은, 룸콘 디스플레이부(20)를 통하여 각 방에 설치되는 배관길이 및 각 방의 방위정보를 입력(S10)하게 된다. 여기서 배관길이 및 각 방의 방위정보의 입력은 룸콘 디스플레이부(20)나 밸브제어기(미도시)에서 설정할 수 있다. 여기서 상기 입력되는 데이터는 제어부에 저장된다.Referring to FIG. 3, in the heating system control method of the present invention, the pipe lengths installed in the rooms and the orientation information of each room are input through the room cone display unit 20 (S10). Here, the input of the pipe length and the orientation information of each room may be set in the room cone display unit 20 or a valve controller (not shown). Here, the input data is stored in the controller.
이후, 배관길이 및 각 방의 방위정보를 제어부에 저장(S11)하게 되고, 이와 같은 배관길이 및 각 방 방위정보는 각 방 밸브(30)의 기본값으로 설정(S13)된다. 여기서 각 방의 방위정보는 각 방이 위치한 곳을 나타내는 것이다. 예를 들어 남쪽에 위치하여 햇볕이 많이 드는 방과 북쪽에 위치하여 햇볕이 적게 드는 방에 대해 일조량을 고려하여 난방수를 달리 공급하기 위한 것이다. Thereafter, the pipe length and the direction information of each room are stored in the control unit (S11), and the pipe length and the room direction information are set as the default values of the room valves 30 (S13). Here, the orientation information of each room indicates where each room is located. For example, it is to supply heating water differently in consideration of the amount of sunshine for a room that is sunny in the south and a room that is sunny in the north.
여기서 상기 기본값은 각 방을 순환하고 회수되는 환수온도를 감지하여 환수온도가 기준치 이하로 감지될 경우 난방수를 공급하는 기준이 되는 온도도 포함되는 것이다. 또한, 각 방별 난방부하를 고려하여 해당 방의 필요요구열량에 비례하도록 최적유량을 공급하도록 하되, 난방이 중지되어야 할 방의 구동기를 제어하여 해당방의 환수경로를 폐쇄하여 전체 최적유량값의 합에 대한 폐쇄된 방의 최적유량값의 비율에 따라 유량을 감소시키는 것이다.Here, the default value is to include a temperature for circulating each room and detecting a return temperature to be recovered and for supplying heating water when the return temperature is detected below a reference value. In addition, considering the heating load of each room, the optimum flow rate is supplied to be proportional to the required heat quantity of the room, but the control of the actuator of the room to be heated is closed to close the return path of the room to close the sum of the total optimum flow rate values. It is to reduce the flow rate according to the ratio of the optimum flow rate value of the room.
이러한 상태에서 각 방의 상태(온도)를 감지하여 난방조건을 판단(S13)하여 각 방의 난방조건에 도달하지 않게 되면 난방수는 유입되지 않고 있다가, 난방조건에 도달하는 것으로 판단되면 난방수는 각 방을 순환한 환수온도를 측정(S14)하고, 초기 난방수의 온도와 순환하고 도달되는 환수온도와의 차이를 비교(S15)하게 된다. In this state, the heating condition is detected by detecting the state (temperature) of each room (S13) and the heating water is not introduced when the heating condition of each room is not reached. The return temperature circulated through the room is measured (S14), and the difference between the temperature of the initial heating water and the return temperature reached and circulated is compared (S15).
이후, 초기 개도값과 비교된 각 방 밸브의 보정된 값으로 각 방 밸브의 개도가 조절(S16)되는 것이다. Then, the opening degree of each room valve is adjusted (S16) by the corrected value of each room valve compared with the initial opening value.
이후, 난방수가 유입되려는 시간대가 일조량이 풍부한 낮시간대일 경우(S17)는 난방조건에 부합(S18)하는 지를 판단하게 된다.Subsequently, when the time zone in which the heating water is to be introduced is a daytime-rich day zone (S17), it is determined whether the heating conditions are met (S18).
여기서 난방조건에 부합하게 되면 난방수는 각 방으로 유입되는 것이고, 난방조건에 부합하지 않게 되면 각 방 밸브(30)의 개도값은 초기값으로 판단되어 난방수는 유입되지 않는 것이다. Here, if the heating conditions are met, the heating water is introduced into each room. If the heating conditions are not met, the opening value of each room valve 30 is determined as an initial value and the heating water is not introduced.
상기한 순서를 정리하면, 각 난방배관으로 난방수를 유입한 시간으로부터 각 난방배관을 경유하여 환수되는 난방수가 각각 동일한 환수온도에 도달하는 시간을 측정하여, 상기 각 방의 배관길이와 방위값 및 동일 환수온도 도달시간에 비례하는 각 방의 난방부하로 정한 후, 상기 난방부하에 따라 각 방에 비례적으로 열량을 공급하기 위해 상기 각 방밸브마다의 개도량 비율을 연산하며, 상기 연산된 개도량 비율에 따라 상기 각 방밸브의 개도가 조절되는 것이다.The above sequence is summarized by measuring the time at which the heating water returned through each heating pipe reaches the same return temperature from the time when the heating water flows into each heating pipe, and the piping length, azimuth value and the same value of the respective rooms are measured. After determining the heating load of each room proportional to the return temperature reaching time, the opening amount ratio for each room valve is calculated to supply heat quantity proportionally to each room according to the heating load, and the calculated opening amount ratio According to the opening degree of each of the room valve is to be adjusted.
또한, 상기 환수온도 도달시간 측정시 측정한 측정시간대를 저장한 후, 각 방 밸브의 개도량 제어시 상기 측정시간대와 제어시간대를 비교하여 각 방 밸브의 개도량을 보정되는 것이다.In addition, after storing the measurement time zone measured at the time of measuring the return temperature arrival time, the opening amount of each room valve is corrected by comparing the measurement time zone and the control time zone when controlling the opening amount of each room valve.
이하, 각 방 밸브의 개도량 보정시 난방조건 방의 개수를 반영한 보정방법에 대하여 도 4를 참조하여 설명하기로 한다. Hereinafter, a correction method reflecting the number of heating conditions rooms when the opening amount of each room valve is corrected will be described with reference to FIG. 4.
도 4를 참조하면, 우선 제어부는 전체 열량조절밸브의 개도값을 초기화(S20)하게 된다. Referring to FIG. 4, first, the controller initializes the opening value of the total calorific control valve (S20).
이후 각 방 밸브(30)의 개도값을 확인(S21)하고, 전체방의 개수를 확인(S22)하게 된다.After that, the opening degree of each room valve 30 is checked (S21), and the total number of rooms is checked (S22).
이후 난방조건에 도달된 방의 개수를 판단(S23)하여 난방조건에 도달된 방이 없는 것으로 판단되는 경우에는 다시 난방조건에 도달되는 방의 개수를 확인하는 동작을 반복한다.After determining the number of rooms that reach the heating condition (S23), if it is determined that no room has reached the heating condition, the operation of checking the number of rooms that reach the heating condition again is repeated.
그러나 난방조건에 부합되지 않는 방이 있을 경우는 각 방으로 유입되어야 하는 난방수를 파악하여 전체 열량조절밸브(40)의 개도를 설정(S24)하는 것이다.However, if there is a room that does not meet the heating conditions is to determine the heating water to be introduced into each room to set the opening degree of the total calorific control valve 40 (S24).
상기한 순서를 정리하면, 상기 각 방 난방배관 중에서 난방이 오프된 난방배관이 발생되면 상기 전체 열량조절밸브의 개도량은 초기 개도에서 난방이 오프된 난방배관의 개도량 비율만큼 작게 조절하는 것이다.In summary, when the heating pipe is turned off in each of the room heating pipes, the opening amount of the total calorific control valve is adjusted to be smaller than the opening amount of the heating pipe with the heating off at the initial opening.
상기한 각 방 환수온도에 따른 각 방 밸브 제어를 실시예를 통하여 설명하기로 한다. Each room valve control according to each of the room return water temperatures will be described with reference to the embodiment.
1. 1차 각 방 밸브의 개도조절1. Opening control of each primary valve
표 1
방이름 코일길이(M) 현재개도(step) 상승시간(분 or 초) 1차 보정(%) 보정개도(step)
거실 50 400 10 -10 360
40 320 8 -15 248
안방 100 800 14 0 800
방1 70 560 15 2.5 566
방2 50 400 9 -12.5 350
Table 1
Room name Coil Length (M) Current step Rise time (minutes or seconds) Primary correction (%) Step of correction
Livingroom
50 400 10 -10 360
40 320 8 -15 248
Inner room 100 800 14 0 800
Room 1 70 560 15 2.5 566
Room 2 50 400 9 -12.5 350
각 방 밸브의 환수온도가 5도 이상 증가할 동안의 시간을 기준으로 각 방 밸브 개도 조절한다.The opening of each room valve is also adjusted based on the time during which the return temperature of each room valve increases by more than 5 degrees.
상기 표를 참조하면, 5도 이상 증가할 동안에 시간을 측정하여 가장 많이 시간이 걸린 방에 유량을 더 공급하기 위하여 다른 방들의 개도를 줄여 주도록 각 방 밸브가 제어된다.Referring to the table above, each room valve is controlled to reduce the opening degree of the other rooms in order to measure the time while increasing by more than 5 degrees and to further supply the flow rate to the most time-consuming room.
따라서 상기한 실시예를 통하여 각 방 밸브의 개도율을 제어하여 최적의 난방조건으로 난방을 하게 되는 것이다.Therefore, the above-described embodiment is to control the opening rate of each room valve to be heated to the optimum heating conditions.
이하, 상기 보일러 가동조건에 따라 난방되는 방을 순환하여 회수되는 난방수의 환수온도를 감지하여 각 방 밸브 및 환수온도센서의 이상을 감지하는 방법에 대하여 도 5를 참조하여 설명하기로 한다. Hereinafter, a method of detecting an abnormality of each room valve and a return temperature sensor by detecting a return temperature of the heating water recovered by circulating the heated room according to the boiler operating condition will be described with reference to FIG. 5.
도 5를 참조하면, 각 방의 난방 제어여부를 확인(S30)한 후, 상기 난방되는 각 방을 순환하여 환수되는 각 방의 난방수 현재의 환수온도를 환수온도센서(50)를 통하여 감지(S31)하게 된다. Referring to FIG. 5, after checking whether the heating control of each room is performed (S30), sensing the current return temperature of the heating water of each room to be returned by circulating the heated rooms (S31). Done.
그 이후 각 방 밸브를 개방하여 소정시간 이후에 순환을 마치고 환수되는 난방수의 온도를 감지하여 상기한 현재의 환수온도와 비교하여 온도변화가 있다고 판정(S33)되면 보일러는 정상으로 판정되는 것이고, 온도변화가 없을 경우 환수온도센서 및 각 방 밸브(30)의 이상상황을 룸콘 디스플레이부(20)에 표시하게 되는 것이다. After that, the valves are determined to be normal when the valves are opened and each cycle is finished after a predetermined time and the temperature of the returned water is sensed and it is determined that there is a temperature change compared to the current return temperature. If there is no temperature change, the abnormal condition of the return temperature sensor and each room valve 30 is displayed on the room cone display unit 20.
왜냐하면, 난방수는 보일러를 운전하는 동안 계속 각 방을 순환하게 되어 각 방의 온도가 변화가 있어야 하는 것이다. 그러므로 환수된 난방수와 이후 환수되는 난방수의 온도를 비교하였을 때 온도의 변화가 없을 경우 각 방 밸브(30) 또는 환수온도센서가 이상이 있는 것이므로 이에 대한 메시지가 룸콘 디스플레이부(20)에 표시되는 것이다.Because the heating water continues to circulate each room while the boiler is running, the temperature of each room should change. Therefore, when there is no change in temperature when comparing the temperature of the returned water and the returned water, the room valve 30 or the return water temperature sensor is abnormal. Will be.
상기와 같은 구성 및 제어방법을 적용하기 위하여 일반적으로 건축된 집을 예를 들어 설명하기로 한다.In order to apply the configuration and control method as described above will be described a house generally constructed as an example.
도 6은 본 발명의 난방시스템의 제어방법을 설명하기 위한 예시도이고, 도 7은 도 6의 외부 및 내부의 부하조건을 나타낸 도면이며, 도 8은 도 6에 배치되는 각 방의 부하조건을 나타낸 도면이다. 6 is an exemplary view for explaining a control method of a heating system of the present invention, Figure 7 is a view showing the load conditions of the outside and inside of Figure 6, Figure 8 shows the load conditions of each room arranged in Figure 6 Drawing.
도 6 내지 도 8을 참조하면, 도시된 도면 및 표는 서울을 기준으로 하며, 북쪽에 침실1 및 안방이, 남쪽으로는 거실 및 침실2가 배치되고, 면적은 85㎡가 되도록 건축된 집을 예를 든 것이다.Referring to FIGS. 6 to 8, the drawings and tables shown in FIG. 1 are based on Seoul, and examples of a house constructed such that a bedroom 1 and a bedroom in the north, a living room and a bedroom 2 in the south, and an area of 85 m 2 are arranged. Will be lifted.
이하, 상기와 같은 부하조건에서 각 시간대에 따라 각 방으로 유입되는 유량을 살펴보기로 한다.Hereinafter, the flow rate flowing into each room according to each time zone under the load conditions as described above will be described.
도 9 내지 도 12는 본 발명의 난방시스템 제어방법에 따라 각 방으로 유입되는 유량을 그래프로 표시한 도면이고, 도 13 내지 도 16은 본 발명의 난방시스템 제어방법에 따라 각 방으로 유입되는 유량의 유속을 그래프로 표시한 도면이며, 도 17은 도 9 내지 도 16의 조건에 따른 각 방의 열량 및 오차율을 분석한 도표로 나타낸 도면이다.9 to 12 are graphs showing the flow rate flowing into each room according to the heating system control method of the present invention, Figure 13 to 16 is a flow rate flowing into each room according to the heating system control method of the present invention. FIG. 17 is a graph showing the flow rate of FIG. 17, and FIG. 17 is a diagram illustrating a calorimetry and an error rate of each room according to the conditions of FIGS. 9 to 16.
도 9 내지 도 12를 참조하면, 각 난방시스템에 따라 유입되는 유량을 도시한 것으로, 도 9는 거실, 도 10은 안방, 도 11은 침실1, 도 12는 침실2로 유입되는 유량을 도시한 것이다. 9 to 12, it shows the flow rate flowing in accordance with each heating system, Figure 9 is a living room, Figure 10 is a room, Figure 11 is a bedroom 1, Figure 12 shows the flow rate flowing into the bedroom 2. will be.
여기서 사각형 심볼선으로 도시된 그래프는 일반적인 난방시스템에서 유입되는 유량을 도시한 것이고, 마름모 심볼선은 이상적으로 유입되는 유량을 도시한 것이며, 삼각형 심볼선은 본 발명에 따라 제어되어 유입되는 유량을 도시한 것이다.Here, the graph shown by the rectangular symbol line shows the flow rate flowing in a general heating system, the rhombus symbol line shows the ideal flow rate, and the triangle symbol line shows the flow rate controlled and controlled according to the present invention. It is.
상기한 각 그래프를 비교하여 보면, 이상적인 난방시스템의 유량제어와 본 발명에 따른 난방시스템의 유량 제어의 오차가 크지 않아 효율적인 난방을 할 수 있다는 것을 알 수 있다. 특히, 일조량이 풍부한 낮 시간대에 유량의 양을 제어함으로서 열량이 낭비되는 것을 방지할 수 있다. 또한 북쪽에 위치되는 침실1 및 안방에는 침실2 및 거실에 비해 더 많은 유량이 유입되어 보다 효과적인 유량제어가 이루어지고 있다는 것을 알 수 있다.Comparing the above graphs, it can be seen that the error of the flow rate control of the ideal heating system and the flow rate control of the heating system according to the present invention is not so large that efficient heating can be achieved. In particular, it is possible to prevent waste of heat by controlling the amount of flow rate during the day time when the amount of sunshine is abundant. In addition, it can be seen that more efficient flow control is achieved because more flows are introduced into bedroom 1 and the room located in the north than bedroom 2 and living room.
이하, 상기와 같은 부하조건에서 각 시간대에 따라 각 방으로 유입되는 유량의 유속을 살펴보기로 한다. Hereinafter, the flow rate of the flow rate flowing into each room according to each time zone under the load conditions as described above.
도 13 내지 도 16를 참조하면, 각 난방시스템에 따라 유입되는 유량의 유속을 도시한 것으로, 도 13은 거실, 도 14는 안방, 도 15는 침실1, 도 16은 침실2로 유입되는 유량의 유속을 도시한 것이다.Referring to Figures 13 to 16, it shows the flow rate of the flow rate flowing in accordance with each heating system, Figure 13 is a living room, Figure 14 is a room, Figure 15 is a bedroom 1, Figure 16 is a flow rate of the flow into the bedroom 2 The flow rate is shown.
여기서 사각형 심볼선으로 도시된 그래프는 일반적인 난방시스템에서 유입되는 유량의 유속을 도시한 것이고, 마름모 심볼선은 이상적으로 유입되는 유량의 유속을 도시한 것이며, 삼각형 심볼선은 본 발명에 따라 제어되어 유입되는 유량의 유속을 도시한 것이다.Here, the graph shown by the square symbol line shows the flow rate of the flow rate flowing in the general heating system, the rhombus symbol line shows the flow rate of the ideal flow rate flow, the triangle symbol line is controlled inflow according to the present invention The flow rate of the flow rate shown is shown.
따라서 상기한 그래프를 비교하여 보면, 이상적인 난방시스템의 제어와 본 발명에 따른 난방시스템 제어방법의 오차가 크지 않아 효율적인 난방을 한다는 것을 알 수 있다. 특히, 일조량이 풍부한 낮 시간대 에 유속을 제어함으로서 열량의 낭비를 방지한다는 것을 알 수 있다. 또한 북쪽에 위치되는 침실1 및 안방에는 침실2 및 거실에 비해 더 많은 유속에 필요하며, 그에 따라 난방수의 순환을 더욱 빨리하여 효과적인 난방제어가 이루어지고 있다는 것을 알 수 있다.Therefore, comparing the above graph, it can be seen that the error of the control of the ideal heating system and the heating system control method according to the present invention does not have a large amount of efficient heating. In particular, it can be seen that by controlling the flow rate during the daytime rich in sunlight, waste of heat is prevented. In addition, the bedroom 1 and the room located in the north is required for more flow rate than the bedroom 2 and the living room, it can be seen that the effective heating control is made by circulating the heating water faster.
이하, 상기한 유량 및 유속에 따른 열량 및 오차율에 대하여 살펴보기로 한다. Hereinafter, the calorie value and the error rate according to the flow rate and flow rate will be described.
도 17을 참조하면, 본 발명의 난방제어 시스템을 통하여 각 시간대별 및 각 방의 방위값 등의 부하조건에 따라 각 방에서 요구되는 열량이 각 시간대 별로 균일하게 유지되는 것을 알 수 있다. 또한, 남쪽에 위치한 방의 경우 일조량이 풍부한 낮 시간대에 유량의 유입되는 양이 적절히 제어되어 불필요한 난방수의 공급이 제한되는 것을 알 수 있다.Referring to FIG. 17, it can be seen that the amount of heat required in each room is uniformly maintained for each time zone according to the load condition such as the time zone and the orientation value of each room through the heating control system of the present invention. In addition, the room located in the south can be seen that the amount of inflow of the flow rate is appropriately controlled during the day time when the sunshine is rich, thereby limiting the supply of unnecessary heating water.
이상에서 설명된 본 발명의 난방시스템 제어방법의 실시예는 예시적인 것에 불과하며, 본 발명이 속한 기술분야의 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 잘 알 수 있을 것이다. 그러므로 본 발명은 상기의 상세한 설명에서 언급되는 형태로만 한정되는 것은 아님을 잘 이해할 수 있을 것이다. 따라서 본 발명의 진정한 기술적 보호 범위는 첨부된 특허청구범위의 기술적 사상에 의해 정해져야 할 것이다. 또한, 본 발명은 첨부된 청구범위에 의해 정의되는 본 발명의 정신과 그 범위 내에 있는 모든 변형물과 균등물 및 대체물을 포함하는 것으로 이해되어야 한다.Embodiment of the heating system control method of the present invention described above is merely exemplary, and those skilled in the art to which the present invention pertains that various modifications and equivalent other embodiments are possible from this well. You will know. Therefore, it will be understood that the present invention is not limited to the forms mentioned in the above detailed description. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims. It is also to be understood that the present invention includes all modifications, equivalents, and substitutes within the spirit and scope of the invention as defined by the appended claims.
[부호의 설명][Description of the code]
10 : 밸브제어기 20 : 룸콘 디스플레이부10: valve controller 20: room cone display unit
30 : 각 방 밸브 40 : 전체 열량조절밸브30: each room valve 40: total calorie control valve
50 : 환수온도센서50: Return temperature sensor

Claims (4)

  1. 난방부하에 따라 각 난방배관 상에 설치된 복수의 각 방 밸브 개도를 조절하여 각 방에 공급되는 난방수의 유량을 조절하고, 상기 각 방 밸브로 유입되는 난방수 유량을 조절하는 전체 열량조절밸브를 포함하여, 각 방의 온도를 각 방에 설치되는 룸콘 디스플레이부에서 설정한 온도로 제어하는 난방시스템 제어방법에 있어서,Adjust the flow rate of the heating water supplied to each room by adjusting the opening degree of each of the plurality of room valves installed on each heating pipe according to the heating load, and the total heat control valve for controlling the flow rate of the heating water flowing into each room valve In the heating system control method for controlling the temperature of each room to the temperature set by the room cone display unit installed in each room,
    각 방에 설치되는 룸콘 디스플레이부를 통하여 각 방의 배관길이 및 방위값을 입력하고, Input the piping length and azimuth value of each room through the room cone display unit installed in each room,
    각 난방배관으로 난방수를 유입한 시간으로부터 각 난방배관을 경유하여 환수되는 난방수가 각각 동일한 환수온도에 도달하는 시간을 측정하여, 상기 각 방의 배관길이와 시간과 연계되는 방위값 및 동일 환수온도 도달시간에 비례하는 각 방의 난방부하로 정한 후, 상기 난방부하에 따라 각 방에 비례적으로 열량을 공급하기 위해 상기 각 방밸브마다의 개도량 비율을 연산하며, 상기 연산된 개도량 비율에 따라 상기 각 방밸브의 개도가 조절되는 것을 특징으로 하는 난방시스템 제어방법.From the time the heating water flows into each heating pipe, the heating water returned through each heating pipe is measured to reach the same return temperature, and the azimuth value and the same return temperature which are related to the pipe length and time of each room are reached. After determining the heating load of each room proportional to time, the opening amount ratio for each of the room valves is calculated to supply heat quantity proportionally to each room according to the heating load, and according to the calculated opening amount ratio Heating system control method characterized in that the opening degree of each room valve is adjusted.
  2. 제1 항에 있어서,The method of claim 1,
    상기 환수온도 도달시간 측정시 측정한 측정시간대를 저장한 후, 각 방 밸브의 개도량 제어시 상기 측정시간대와 제어시간대를 비교하여 각 방 밸브의 개도량을 보정하는 것을 특징으로 하는 난방시스템 제어방법.The method of controlling a heating system, characterized in that after measuring the time zone measured at the time of reaching the return temperature, the opening amount of each room valve is corrected by comparing the measurement time zone and the control time zone when the opening amount of each room valve is controlled. .
  3. 제1 항 또는 제2 항에 있어서, The method according to claim 1 or 2,
    상기 각 방 난방배관 중에서 난방이 오프된 난방배관이 발생되면 상기 전체 열량조절밸브의 개도량은 초기 개도에서 난방이 오프된 난방배관의 개도량 비율만큼 작게 조절하는 것을 특징으로 하는 난방시스템 제어방법.When the heating pipe is turned off of the heating pipe in each of the room heating pipe generation method of the heating control valve, characterized in that the opening amount of the total heat control valve is adjusted as small as the opening amount of the heating pipe is turned off at the initial opening.
  4. 제1 항 또는 제2 항에 있어서, The method according to claim 1 or 2,
    각 방 난방배관을 순환하여 환수되는 난방수의 현재 온도를 측정하고, 현재온도 측정 후 소정시간이 경과된 이후에 환수되는 난방수의 나중 온도를 측정하여 두 온도를 비교하였을 때, 두 온도 간에 온도차가 없을 경우 상기 각 방 밸브 또는 환수온도센서에 이상이 있는 것으로 상기 룸콘 디스플레이부에 표시하는 것을 특징으로 하는 난방시스템 제어방법.The temperature difference between the two temperatures is measured by measuring the current temperature of the heating water returned by circulating each heating pipe and comparing the two temperatures by measuring the later temperature of the heating water returned after a predetermined time has elapsed after measuring the current temperature. And if there is no error in each of the room valves or the return temperature sensor, the heating system control method, characterized in that displayed on the room-con display.
PCT/KR2012/008282 2011-10-13 2012-10-11 Method for controlling heating system WO2013055134A2 (en)

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RU2789790C1 (en) * 2021-11-28 2023-02-10 Андрей Александрович Пятин Method for natural regulation of building heating and a control system based on it
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