WO2019143038A1 - 난방 및 급탕공급장치 - Google Patents
난방 및 급탕공급장치 Download PDFInfo
- Publication number
- WO2019143038A1 WO2019143038A1 PCT/KR2018/016560 KR2018016560W WO2019143038A1 WO 2019143038 A1 WO2019143038 A1 WO 2019143038A1 KR 2018016560 W KR2018016560 W KR 2018016560W WO 2019143038 A1 WO2019143038 A1 WO 2019143038A1
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- WIPO (PCT)
- Prior art keywords
- hot water
- heating
- heat
- heat exchanger
- flow rate
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 298
- 238000010438 heat treatment Methods 0.000 title claims abstract description 167
- 230000001105 regulatory effect Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 10
- 230000001276 controlling effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 239000008236 heating water Substances 0.000 description 7
- 238000011084 recovery Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
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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
-
- 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
- F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
- F24D3/087—Tap water heat exchangers specially adapted therefore
-
- 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
- F24D19/1066—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water
- F24D19/1069—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water regulation in function of the temperature of the domestic hot water
-
- 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
- F24D19/1066—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water
-
- 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
- F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
-
- 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
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/1058—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system disposition of pipes and pipe connections
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/02—Fluid distribution means
- F24D2220/0271—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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/04—Sensors
- F24D2220/042—Temperature sensors
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/04—Sensors
- F24D2220/044—Flow sensors
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/06—Heat exchangers
Definitions
- the present invention relates to a heating and hot water supply apparatus, and more particularly, to a heating and hot water supply apparatus capable of improving energy efficiency by preheating a heat exchanger for hot water supply and quickly adjusting a hot water temperature to a target hot water temperature.
- a large apartment or a large-scale building has not only an individual heating system and a separate hot water supply system, but also installed a common heating system for the whole of the building, and supplies a high-temperature heating medium to each household or each floor through a common pipe network.
- a local and central heating system is constructed to perform heating of a heating target such as a room or a living room using the supplied heating medium and to use hot water by heat exchange between the heating medium and the direct water.
- the pipeline structure connected to each individual household for the existing regional and central heating consists of a four-pipe system equipped with a heating supply pipe, a heating return pipe, a hot water supply pipe, and a hot water return pipe.
- this four-pipe system can be used at the same time with heating and hot water.
- a large amount of cost is incurred for maintenance and new installation.
- a heating pipe for supplying and returning heat medium from a heat source which is a trend of using a two-pipe heating and hot water system.
- hot water produced in a heat production facility is supplied to a hot water heat exchanger, and hot water is produced in a heating device connected in series with the hot water heat exchanger using a heat medium coming out through a hot water heat exchanger So that heating is performed.
- the heat medium produced in the heat production facility is supplied to the heating device through the hot water heat exchanger, so that even when the user does not use the hot water, the hot water heat exchanger is filled with the hot heat medium.
- the hot water passes through the hot water heat exchanger and heat exchange is performed with the heat medium which has already been heated to a high temperature, and hot water is discharged at an early stage of using hot water.
- a method of preventing the hot water from flowing out by adjusting the opening degree of the flow control valve provided on the pipe through which the heating medium flows can be considered.
- the hot water remaining in the hot water heat exchanger inside the hot water heat exchanger So that it is difficult to prevent the hot water from coming out by only adjusting the opening of the flow control valve.
- the present invention has been conceived to solve the above-mentioned problems, and it is an object of the present invention to provide a heating and hot water supply system capable of preventing high temperature hot water from coming out at the beginning of hot water use, And to provide a feeding device.
- Another object of the present invention is to provide a heating and hot water supply device capable of promptly supplying hot water of a desired temperature to a user during hot water supply and improving energy efficiency.
- the present invention provides a heating and hot water supply apparatus comprising: a first heat exchanger connected in parallel to a heating destination and generating hot water by heat exchange with a heat medium supplied from a heat source; A second heat exchanger connected to the first heat exchanger in series to preheat the direct water using the heat medium having passed through the first heat exchanger and then flow to the first heat exchanger; A mixing valve for mixing the direct water into hot water discharged from the first heat exchanger; And a controller for controlling the amount of opening of the mixing valve.
- a first hot water temperature sensor for measuring a hot water temperature of the hot water discharged from the first heat exchanger
- a second hot water temperature sensor for measuring a hot water temperature of the hot water discharged from the first heat exchanger
- the control unit may adjust the opening of the mixing valve based on the flow rate of the direct water, the temperature of the direct water, the first hot water temperature, and the second hot water temperature.
- a heating flow rate regulating valve for regulating a flow rate of the heating medium supplied to the heating source and a warm flow rate regulating valve for regulating a flow rate of the heating medium supplied to the first heat exchanger.
- the hot water supply flow rate control valve may be provided on the first connection pipe connecting the first heat exchanger and the second heat exchanger, wherein the heat medium flows.
- a heat recovery pipe through which the heat recovery exchanged in the heating destination flows may be connected to the first connection pipe.
- the heating flow rate control valve may be provided on a heat return pipe through which the heating water exchanged in the heating destination flows.
- the heating flow rate control valve is set to a maximum opening degree at which the maximum flow rate can flow, and the opening degree can be adjusted to correspond to the heating load within the maximum opening degree.
- a leakage sensor may be provided to detect leakage of water in the path of the heating medium or the direct or hot water.
- control unit may shut off the flow rate control valve that controls the flow rate of the heating medium.
- the present invention by connecting the heat exchanger for hot water supply and the heating destination in parallel, it is possible to prevent the hot water from coming out at the beginning of hot water use, thereby preventing the user from burning.
- the mixing valve so that the direct water can be mixed with the hot water, the temperature of the hot water coming out can be quickly adjusted to the target hot water temperature set by the user.
- the direct water can be preheated by using the heat medium that has passed through the first heat exchanger or the heat medium that is recovered from the heating destination, the temperature of the direct water can be quickly raised and the energy efficiency can be improved.
- the heating flow control valve is provided with the constant flow rate function, when the heating is used, the heating water having a flow rate suitable for each household is introduced, thereby preventing noise that may be generated due to excessive heating flow rate.
- a leak sensor is provided inside the heating and hot water supply device to quickly detect the leakage of water from the piping, and to prevent the leakage of a large amount of water by shutting off the heating or hot water flow control valve.
- FIG. 1 is a view showing a heating and hot water supply apparatus according to the present invention
- FIG. 2 is a view showing a state in which a leakage detection sensor is provided inside a heating and hot water supply apparatus according to the present invention
- FIG. 3 is a view showing an operating state at the time of heating in the heating and hot water supply apparatus of the present invention
- FIG. 4 is a view showing an operating state at the time of hot water supply in the heating and hot water supply apparatus of the present invention
- FIG. 5 is a view showing an operating state at the time of heating and hot water supply in the heating and hot water supply apparatus of the present invention
- Heating and hot water supply device 10 Heat source supply pipe
- mixing pipe 110 first heat exchanger
- Second heat exchanger 131 Heating flow regulating valve
- first heating medium temperature sensor 142 second heating medium temperature sensor
- a heating and hot water supply apparatus 1 includes a first heat exchanger (not shown) connected in parallel to a heating destination (not shown) and generating hot water by heat exchange with a heat medium supplied from a heat source A second heat exchanger 110 connected in series to the first heat exchanger 110 so as to flow into the first heat exchanger 110 after preheating the direct water using the heat medium passing through the first heat exchanger 110; A mixing valve 133 for mixing the direct water into hot water discharged from the first heat exchanger 110 and a control unit for controlling the amount of opening of the mixing valve 133, .
- the heating medium supplied from the heat source flows into the heating and hot water supply device 1 through the heat source supply pipe 10.
- the heat source supply pipe 10 is branched into a first heat medium supply pipe 20 connected to the heat source and a second heat medium supply pipe 30 connected to the first heat exchanger 110.
- the heat source and the first and second heat exchangers 110 and 120 are connected in parallel.
- the heat medium supplied through the heat source supply pipe 10 may flow to either the first heat medium supply pipe 20 or the second heat medium supply pipe 30 or may flow at the same time.
- the heat medium passing through the second heat medium supply pipe 30 is heat-exchanged between the heat medium in the second heat exchanger 120 and the preheated direct heat.
- the second heat exchanger (120) heat exchange is performed between the heat medium passing through the first heat exchanger (110) and the direct water, and the direct water is firstly preheated and then flows into the first heat exchanger It is heated by a second order. Therefore, the temperature of the direct water can be raised quickly, and the heat of the heat medium passing through the primary heat exchanger 110 can be used, so that the energy efficiency can be improved.
- the first heat exchanger 110 and the second heat exchanger 120 may be each a plate heat exchanger in which heat is exchanged between the heating medium and the plurality of stacked plates while alternating with the heating medium.
- a first connection pipe 31 through which the heating medium flows and a second connection pipe 41 through which the direct water flows are connected between the first heat exchanger 110 and the second heat exchanger 120.
- the first heat exchanger 110 is connected to a second heat medium supply pipe 30 through which the heat medium supplied from the heat source flows and a hot water supply pipe 42 through which the direct water is heated by the heat medium and discharged as hot water .
- the second heat exchanger 120 is connected to a direct oil inflow pipe 40 through which the direct water flows, and an integrated water return pipe 32 through which the heat medium having a temperature lowered due to heat exchange with the direct water flows to a heat source .
- a mixing pipe 50 for mixing direct water into warm water is connected between the direct oil feed inlet 40 and the hot water supply pipe 42 and a mixing valve 50 for controlling the amount of direct water to be mixed is connected to the mixing pipe 50.
- the mixing valve 133 is provided to adjust the opening degree, and the mixing amount of the direct water can be adjusted. By mixing the direct water with the mixing valve 133, the hot water of the high temperature coming from the first heat exchanger 110 can be lowered to the set temperature. This makes it possible to quickly and accurately reach the set target hot water temperature.
- a first heat medium temperature sensor 141 for measuring the temperature of the heat medium supplied from the heat source is provided on the heat source supply pipe 10 and the first heat medium temperature sensor 141 is connected to the second heat exchanger 120 And a second heat medium temperature sensor 142 for measuring the temperature of the heat medium.
- the direct-feed oil inlet 40 is provided with a direct-current temperature sensor 143 for measuring direct-water temperature and a flow-rate sensor 150 for measuring direct-current flow.
- the hot water supply pipe 42 is connected to a first hot water temperature sensor 144 for measuring a first hot water temperature of the hot water discharged from the first heat exchanger 110, And a second hot water temperature sensor 145 for measuring the second hot water temperature of the hot water mixed with the direct water passing through the mixing pipe 50.
- a heating flow rate regulating valve 131 for regulating the flow rate of the heat medium flowing in the heating target is disposed on the heat return pipe 21 in which the heat medium having undergone heat exchange in the heating destination flows to the second heat exchanger 120 Respectively.
- the heating flow control valve 131 is provided in the heating return pipe 21, but it may be provided at other positions on the path of the heating medium flow during heating, including the heating supply pipe 20.
- the heating flow control valve 131 includes a constant flow function.
- the constant flow rate function is a function for limiting the flow rate so that the heating water is not supplied at a certain flow rate or more for the heating of each household.
- the heating area is different for each generation in which the heating system is installed, and the heating water can be prevented from flowing at an unnecessary flow rate by restricting the heating water to flow only at a predetermined flow rate according to the different heating requirements of each generation, It is possible to prevent noise that may be generated due to the flow rate.
- a constant flow valve (not shown) is provided between the heat source and the integrated return pipe 32 for limiting the flow rate of the heating medium flowing into the heating and hot water supply device 1 to a constant flow rate.
- the maximum flow rate set in the heating flow rate control valve 131 is set to be smaller than the flow rate set in the constant flow rate valve provided between the heat source and the integrated return pipe 32.
- the flow rate set in the constant flow rate valve is set based on the use of hot water, and the maximum flow rate set in the heating flow rate control valve 131 is set on the basis of heating.
- the heating flow regulating valve 131 is provided on the heat return pipe 21 so that the flow rate is regulated within the range of the maximum flow rate set in the heating flow regulating valve 131 only during heating,
- the flow rate of the heating medium supplied to the heat exchanger 110 and the second heat exchanger 120 can be increased without flowing through the heating flow control valve 131.
- a warm water flow control valve (132) for controlling the flow rate of the heat medium flowing from the heat source to the first heat exchanger (110).
- the hot water supply flow rate control valve 132 is provided in the first connection pipe 31.
- the hot water supply flow rate control valve 132 may be provided at another position on the path through which the heat medium flows during hot water supply, .
- the control unit controls the temperature of the first heating medium temperature sensor 141, the second heating medium temperature sensor 142, the direct water temperature sensor 143, the first hot water temperature sensor 144 and the second hot water temperature sensor 145 And controls the opening degree of the heating flow control valve 131, the warm water flow control valve 132 and the mixing valve 150 according to the received temperature information.
- a water leakage sensor 160 may be provided in the heating and hot water supply device 1 to detect leakage of water in the path of the heating medium, the direct water, and the hot water.
- the heating and hot water supply device 1 may be installed in a lower part of a sink, embedded in a wall, or installed in the form of a wall. If water leaks in the installed state in this manner, water may flood on the floor of the room, so that the above problem can be prevented by detecting the water leakage using the water leakage sensor 160.
- the water leakage sensor 160 is installed near the bottom of the heating and hot water supply device 1 and is connected to the first heat exchanger 110 and the second heat exchanger 120 and the pipes 10, , 30, 31, 32, 40, 41, and 42).
- the controller controls the heating flow rate control valve 131 and the warm water flow rate control valve 132 to be shut off, thereby preventing a large amount of water leakage can do.
- an alarm may be generated to notify the user that leakage of water has occurred, at the same time that the heating flow regulating valve 131 and the warm water flow regulating valve 132 are shut off.
- Heating is started by the user setting the desired heating temperature in the room controller (not shown).
- the opening degree of the heating flow rate control valve 131 is set so as to correspond to the set heating temperature.
- the heating flow rate control valve 131 is set to a maximum flow rate suitable for the generation to implement the constant flow rate function, and the opening degree is set to correspond to the set heating temperature within the range of the maximum flow rate.
- the opening degree of the heating flow control valve 131 may be set to be proportional to the temperature difference of the heating medium measured by the first heating medium temperature sensor 141 and the second heating medium temperature sensor 142.
- the heating flow rate control valve 131 When the heating flow rate control valve 131 is opened, the heating medium supplied from the heat source passes through the heat source supply pipe 10 and the first heating medium supply pipe 20 in sequence, and then supplied to the heating destination.
- the heating medium whose temperature has been lowered in the heating destination is passed through the heating water return pipe 21, the heating flow control valve 131 and the first connecting pipe 31, and then flows into the second heat exchanger 120.
- the hot water supply flow rate control valve 132 remains closed, so that the heat medium supplied from the heat source does not flow toward the first heat exchanger 110. Therefore, since the high-temperature heating medium does not flow into the first heat exchanger 110, it is possible to prevent the high-temperature direct water from being outflowed in the hot water after heating.
- the second heat exchanger 120 is provided with a direct flow path communicating with the direct oil inflow pipe 40.
- the heat medium flowing into the second heat exchanger 120 is heat exchanged with the direct water flowing along the direct flow path And then flows to the heat source side through the integrated water return pipe 32.
- the direct water flowing along the direct water flow path can be preheated by using the heat remaining in the heat medium passing through the heating destination, the energy efficiency can be improved.
- the direct water flowing along the direct water flow path in the second heat exchanger 120 is preheated, the direct water is preheated in the second heat exchanger 120 and then flows into the first heat exchanger 110, It is possible to rapidly raise the temperature of the gas.
- the direct water flows through the direct oil inflow pipe 40.
- the hot water flow regulating valve 132 is opened to open the first heat exchanger 110). ≪ / RTI > In this case, the heating flow rate control valve 131 remains closed.
- the heating medium flowing into the first heat exchanger 110 flows through the first connection pipe 31 and the second heat exchanger 120 in sequence and then flows to the heat source side through the integrated return pipe 32.
- the direct water passes through the direct oil inflow pipe 40, the second heat exchanger 120, the second connection pipe 41 and the first heat exchanger 110 in order to perform heat exchange with the heat medium in the second heat exchanger 120 And is secondarily heated by heat exchange with the heating medium in the first heat exchanger 110, and is then delivered to the user through the hot water supply pipe 42.
- the temperature of the hot water desired by the user can be set to the target hot water temperature, and the controller can adjust the opening degree of the hot water flow regulating valve 132 to match the target hot water temperature.
- the opening rate of the hot water flow control valve 132 may be set according to the hot water load.
- the hot water load is based on the temperature of the direct water measured by the direct water temperature sensor 143, the first hot water temperature measured by the first hot water temperature sensor 144, and the flow rate of the direct water measured by the flow sensor 150 Lt; / RTI >
- the opening degree of the warm water flow control valve 132 can be varied until the temperature of the hot water flowing out through the hot water supply pipe 42 reaches the target hot water temperature set by the user.
- the temperature can be adjusted quickly.
- the second heat exchanger 120 is preheated during the heating, the hot water can be discharged through the second heat exchanger 120 and the first heat exchanger 110 while being hot, at the time of hot water supply.
- the direct water is mixed using the valve 133, it is possible to prevent hot water from coming out.
- the amount of opening of the mixing valve 133 is controlled by the flow rate of the direct water measured by the flow sensor 150, the direct water temperature measured by the direct water temperature sensor 143, the first direct current of the hot water measured by the first hot water temperature sensor 144 The hot water temperature, and the second hot water temperature of the hot water measured by the second hot water temperature sensor 145.
- the opening amount of the mixing valve 133 can be set so as to correspond to the calculated flow rate of the direct water.
- the mixing valve 133 is used in a case where it is difficult for the user to adjust the desired hot water temperature quickly by only adjusting the opening of the hot water flow control valve 132, the user can quickly adjust the desired hot water temperature, The satisfaction with the hot water temperature can be increased.
- the temperature of the direct water can be raised quickly, and the temperature of the heat medium passing through the first heat exchanger 110 It is possible to preheat the inside of the second heat exchanger 120 by using the heat remaining in the second heat exchanger 120, thereby improving the energy efficiency.
- the warm water flow control valve 132 When hot water is used, it is very important to quickly adjust the target hot water temperature.
- the warm water flow control valve 132 is opened at the maximum opening degree, it is preferable that the heating medium having the same flow rate as that supplied from the heat source to the household is allowed to pass through the warm water flow control valve 132.
- the hot water flow rate control valve 132 When the hot water flow rate control valve 132 is opened at the maximum opening degree, the flow rate of the hot water flow control valve 132 is larger than the fixed flow rate set in the heating flow rate control valve 131. Therefore, So that the hot water temperature can be quickly controlled to be the target hot water temperature.
- the heating flow control valve 131 and the warm water flow control valve 132 are opened so as to correspond to the set temperature set by the user.
- the heating flow regulating valve 131 is opened so that the heating medium supplied from the heat source flows through the heat source supply pipe 10, the first heat medium supply pipe 20, the heating requirement destination, the heat return pipe 21, , And the first connection pipe (31).
- the hot water supply flow rate control valve 132 is opened so that the heat medium supplied from the heat source flows through the heat source supply pipe 10, the second heat medium supply pipe 30, the first heat exchanger 110, the first connection pipe 31, 2 heat exchanger 120, and the integrated return pipe 32.
- the heat source supply pipe 10 the second heat medium supply pipe 30, the first heat exchanger 110, the first connection pipe 31, 2 heat exchanger 120, and the integrated return pipe 32.
- the opening degree of the heating flow rate regulating valve 131 and the warming flow rate regulating valve 132 is set so that the second hot water temperature can be preferentially set to the target hot water temperature set by the user .
- the preheating mode for preheating the first and second heat exchangers 110 and 120 may be operated for a set time.
- the temperature of the water inside the hot water supply pipe 42 is measured by the first hot water temperature sensor 144 or the second hot water temperature sensor 145.
- the measured temperature becomes the set temperature or less
- the water in the first and second heat exchangers 110 and 120 is preheated.
- preheated water is discharged in advance, so that hot water can be quickly supplied to the user.
- the preheating mode may be activated when the temperature of the heating medium measured by the first and second heating medium temperature sensors 141 and 142 becomes a set temperature or less.
- the emergency operation mode may be configured to operate in case the room controller fails. If the room controller fails, heating and hot water supply can not be provided. If the signal line of the room controller is short-circuited in this case, the heating flow rate control valve 131 is opened to supply the heating, and the hot water flow rate control valve 132 is opened to supply hot water. Lt; / RTI > When operating in the emergency operation mode, the heating flow rate control valve 131 can be controlled so as to be kept open. When the flow sensor 150 senses the use of hot water by the user, the control unit sets the hot water flow rate control valve 132 to the set target hot water temperature To be opened.
- the first and second heat exchangers 110 and 120 for hot water supply are connected in parallel to the heating target, thereby preventing the hot water from coming out at the beginning of hot water use,
- the mixing valve 133 so that the direct water can be mixed with the hot water, the temperature of the hot water coming out can be quickly adjusted to the target hot water temperature set by the user.
- the direct water can be preheated, the temperature of the direct water can be raised quickly, and the energy efficiency can be improved.
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- Chemical & Material Sciences (AREA)
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Abstract
Description
Claims (10)
- 난방소요처와 병렬로 연결되고 열원에서 공급된 열매체와의 열교환에 의해 온수를 생성하는 제1열교환기;상기 제1열교환기를 통과한 열매체를 이용하여 직수를 예열시킨 후 상기 제1열교환기로 유동하도록 상기 제1열교환기에 직렬로 연결된 제2열교환기;상기 제1열교환기에서 출수되는 온수에 상기 직수를 혼합하기 위한 믹싱밸브;상기 믹싱밸브의 개도량을 조절하기 위한 제어부;를 포함하는 난방 및 급탕공급장치
- 제1항에 있어서,상기 직수의 온도를 측정하기 위한 직수온도센서, 상기 직수의 유량을 측정하기 위한 유량센서, 상기 제1열교환기에서 배출된 온수의 제1온수온도를 측정하기 위한 제1온수온도센서, 상기 믹싱밸브에 의해 상기 직수가 혼합된 온수의 제2온수온도를 측정하기 위한 제2온수온도센서를 더 포함하고;상기 제어부는, 상기 직수의 유량과 상기 직수의 온도와 상기 제1온수온도 및 제2온수온도를 기초로 상기 믹싱밸브의 개도를 조절하는 것을 특징으로 하는 난방 및 급탕공급장치
- 제1항에 있어서,상기 난방소요처로 공급되는 상기 열매체의 유량을 조절하기 위한 난방용 유량조절밸브와, 상기 제1열교환기로 공급되는 상기 열매체의 유량을 조절하기 위한 온수용 유량조절밸브가 구비된 것을 특징으로 하는 난방 및 급탕공급장치
- 제3항에 있어서,상기 온수용 유량조절밸브는 상기 제1열교환기와 제2열교환기 사이를 연결하되 상기 열매체가 유동하는 제1연결관 상에 구비된 것을 특징으로 하는 난방 및 급탕공급장치
- 제4항에 있어서,상기 난방소요처에서 열교환이 이루어진 난방환수가 유동하는 난방환수관은 상기 제1연결관에 연결된 것을 특징으로 하는 난방 및 급탕공급장치
- 제3항에 있어서,상기 난방용 유량조절밸브는 상기 난방소요처에서 열교환이 이루어진 난방환수가 유동하는 난방환수관 상에 구비된 것을 특징으로 하는 난방 및 급탕공급장치
- 제3항에 있어서,상기 난방용 유량조절밸브는 최대유량이 유동할 수 있는 최대개도가 설정되고, 상기 최대개도의 범위 내에서 난방부하에 대응하도록 개도가 조절되는 것을 특징으로 하는 난방 및 급탕공급장치
- 제1항에 있어서,상기 열매체 또는 직수 또는 온수가 유동하는 경로에서 누수가 발생하는 경우 이를 감지하기 위한 누수감지센서가 구비된 것을 특징으로 하는 난방 및 급탕공급장치
- 제8항에 있어서,상기 누수감지센서에서 누수가 감지된 경우 상기 제어부는 상기 열매체의 유량을 조절하는 유량조절밸브를 차단시키는 것을 특징으로 하는 난방 및 급탕공급장치
- 제1항에 있어서,상기 열원으로부터 열매체가 공급되는 열원공급관, 상기 열원공급관에서 상기 난방소요처와 제1열교환기 측으로 분기되는 제1열매체공급관과 제2열매체공급관이 구비된 것을 특징으로 하는 난방 및 급탕공급장치
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GB2008586.6A GB2583223B (en) | 2018-01-18 | 2018-12-24 | Device for supplying heating and hot water |
RU2020127224A RU2746509C1 (ru) | 2018-01-18 | 2018-12-24 | Устройство для теплоснабжения и горячего водоснабжения |
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KR1020180006462A KR20190088218A (ko) | 2018-01-18 | 2018-01-18 | 난방 및 급탕공급장치 |
KR10-2018-0006462 | 2018-01-18 |
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KR (1) | KR20190088218A (ko) |
GB (1) | GB2583223B (ko) |
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KR102516716B1 (ko) * | 2020-12-23 | 2023-04-03 | 주식회사 경동나비엔 | 열 교환 시스템 |
DE102022100341A1 (de) * | 2022-01-10 | 2023-07-13 | Vaillant Gmbh | Heizgerät, Verfahren zum Betreiben eines Heizgerätes, Computerprogrammprodukt, Regel- und Steuergerät und Verwendung eines Schrittmotorventils |
Citations (5)
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KR20000077340A (ko) * | 1999-05-20 | 2000-12-26 | 구와바라 가투미 | 냉동사이클로 된 가열장치 |
JP2002147847A (ja) * | 2000-11-08 | 2002-05-22 | Osaka Gas Co Ltd | 給湯器 |
KR20130004771A (ko) * | 2011-07-04 | 2013-01-14 | 주식회사 경동나비엔 | 가스 온수기 및 이를 구비한 온수공급장치 |
KR101620814B1 (ko) * | 2014-12-17 | 2016-05-12 | 주식회사 경동나비엔 | 감압밸브가 구비된 온수 공급 장치 |
KR101800349B1 (ko) * | 2016-07-19 | 2017-11-22 | 린나이코리아 주식회사 | 예열과 냉각기능을 포함하는 급탕 난방 통합배관 시스템 |
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2018
- 2018-01-18 KR KR1020180006462A patent/KR20190088218A/ko not_active Application Discontinuation
- 2018-12-24 GB GB2008586.6A patent/GB2583223B/en active Active
- 2018-12-24 RU RU2020127224A patent/RU2746509C1/ru active
- 2018-12-24 WO PCT/KR2018/016560 patent/WO2019143038A1/ko active Application Filing
Patent Citations (5)
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KR20000077340A (ko) * | 1999-05-20 | 2000-12-26 | 구와바라 가투미 | 냉동사이클로 된 가열장치 |
JP2002147847A (ja) * | 2000-11-08 | 2002-05-22 | Osaka Gas Co Ltd | 給湯器 |
KR20130004771A (ko) * | 2011-07-04 | 2013-01-14 | 주식회사 경동나비엔 | 가스 온수기 및 이를 구비한 온수공급장치 |
KR101620814B1 (ko) * | 2014-12-17 | 2016-05-12 | 주식회사 경동나비엔 | 감압밸브가 구비된 온수 공급 장치 |
KR101800349B1 (ko) * | 2016-07-19 | 2017-11-22 | 린나이코리아 주식회사 | 예열과 냉각기능을 포함하는 급탕 난방 통합배관 시스템 |
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RU2746509C1 (ru) | 2021-04-14 |
GB2583223B (en) | 2022-04-27 |
KR20190088218A (ko) | 2019-07-26 |
GB202008586D0 (en) | 2020-07-22 |
GB2583223A (en) | 2020-10-21 |
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