KR20120001392A - Solar heat system having discrete heating and hot water tank - Google Patents

Solar heat system having discrete heating and hot water tank Download PDF

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KR20120001392A
KR20120001392A KR1020100062143A KR20100062143A KR20120001392A KR 20120001392 A KR20120001392 A KR 20120001392A KR 1020100062143 A KR1020100062143 A KR 1020100062143A KR 20100062143 A KR20100062143 A KR 20100062143A KR 20120001392 A KR20120001392 A KR 20120001392A
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South Korea
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heat
heating
hot water
heat storage
storage tank
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KR1020100062143A
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Korean (ko)
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KR101179854B1 (en
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김성갑
신현길
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주식회사 경동나비엔
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Priority to KR1020100062143A priority Critical patent/KR101179854B1/en
Priority to PCT/KR2011/001907 priority patent/WO2012002636A2/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
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/0015—Domestic hot-water supply systems using solar energy
    • F24D17/0021—Domestic hot-water supply systems using solar energy with accumulation of the heated 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
    • F24D11/00—Central heating systems using heat accumulated in storage masses
    • F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
    • F24D11/003—Central heating systems using heat accumulated in storage masses water heating system combined with solar energy
    • 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
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal

Abstract

PURPOSE: A solar heat system with discrete heating and hot water tanks is provided to enable calorie of a heating regenerative tank to be used in heating and how water since the regenerative tank is separated into a heating regenerative tank and a hot water regenerative tank. CONSTITUTION: A solar heat system with discrete heating and hot water tanks comprises a solar heat collector(10), a regenerative tank, an auxiliary boiler(40), and a heating load(50). The solar heat collector is installed on the outside of a building, absorbs solar energy, and converts the solar energy into heat. The regenerative tank stores the heat absorbed by the solar heat collector. The regenerative tank comprises a hot water regenerative tank(20) and a heating regenerative tank(30). The hot water regenerative tank stores heat for hot-water supply. The heating regenerative tank stores heat for heating rooms. The auxiliary boiler heats hot water or water for heating room.

Description

난방 및 급탕 탱크 분리형 태양열 시스템{SOLAR HEAT SYSTEM HAVING DISCRETE HEATING AND HOT WATER TANK }SOLAR HEAT SYSTEM HAVING DISCRETE HEATING AND HOT WATER TANK}

본 발명은 태양열 시스템에 관한 것으로, 더욱 상세하게는 난방용 축열탱크와 급탕용 축열탱크를 분리하여 축열 열량을 효율적으로이용하고 시스템 설치공간을 최적화할 수 있도록 하는 난방 및 급탕 탱크 분리형 태양열 시스템에 관한 것이다.The present invention relates to a solar system, and more particularly, to a separate heating and hot water tank separate solar system for separating the heating heat storage tank and the hot water storage heat storage tank to efficiently use the heat storage heat and optimize the system installation space. .

일반적으로, 태양열 시스템은 집열부, 축열부, 이용부로 구성되며, 집열부에서 집열된 태양열을 열교환기로 축열부에 축열하고, 축열된 열을 이용부에서 난방 및 급탕 열원으로 이용하는 시스템이다.In general, the solar system is composed of a heat collecting unit, a heat storage unit, a utilization unit, and the solar heat collected in the heat collection unit to the heat storage unit by the heat exchanger, and the heat accumulated in the use unit as a heating and hot water supply source.

현재 대부분의 태양열 시스템들은 설계시 축열된 열량의 사용 상황을 감안하여 탱크용량을 선정하고 있다.Most solar systems now select tank capacity by considering the use of heat stored in the design.

여름철의 경우 난방에 대한 축열 열량 사용은 거의 없고, 온수에 대한 사용 열량도 미미한 수준이다. 따라서 태양열 집열기에서 축열된 열량의 대부분은 사용되지 못하고, 시간이 흐름에 따라 오히려 시스템의 보호를 위해 방열을 시켜야하는 경우가 대부분이다. 이러한 점 때문에 탱크의 용량은 원가적인 부분 및 집열기 설치 면적을 고려하여 가능한 크게 설계한다.
In summer, there is little use of heat storage heat for heating, and heat energy for hot water is minimal. Therefore, most of the heat accumulated in the solar collector is not used, and as the time goes by, heat dissipation is required to protect the system. Because of this, the capacity of the tank is designed to be as large as possible, taking into account the cost and the installation area of the collector.

그런데 겨울철의 경우 상대적으로 일기가 좋지 않은 날이 많고 축열탱크 용량이 큰 원인도 작용하여 축열탱크의 내부 온도가 여름철에 비해 낮다. 이 낮은 온도로 인해 난방 및 급탕에 사용되지 못하는 축열열량이 증가하게 되고, 보조 열원의 가동 시간이 증가함에 따라 소비자 불만이 증가하게 되었다. However, in winter, there are many days of bad weather and the storage tank capacity is large, so the internal temperature of the storage tank is lower than in summer. This low temperature leads to an increase in the amount of heat storage that cannot be used for heating and hot water supply, and consumer dissatisfaction with increasing uptime of auxiliary heat sources.

본 발명은 상기한 사정을 감안하여 발명한 것으로, 축열탱크를 난방 축열탱크와 온수 축열탱크로 분리하여 난방 축열탱크의 용량을 최적화 시킴으로써, 겨울철 날씨의 영향에도 기존 시스템에 비해 상대적으로 높은 온도를 달성하여 난방 축열탱크의 열량을 난방 및 급탕에 모두 사용할 수 있고, 또한 온수 축열탱크를 별도로 가짐으로서 온수량이 상태적으로 풍부해 질 수 있도록 된 난방 및 급탕 탱크 분리형 태양열 시스템을 제공하고자 함에 발명의 목적이 있다.The present invention has been invented in view of the above circumstances, and by separating the heat storage tank into a heat storage tank and a hot water storage tank to optimize the capacity of the heating storage tank, achieving a relatively high temperature even under the influence of winter weather compared to the existing system. The purpose of the present invention is to provide a separate heating and hot water tank separated solar system that can use the heat of the heating heat storage tank for both heating and hot water supply, and has a hot water heat storage tank separately so that the amount of hot water can be enriched in a state condition. There is this.

또한, 본 발명은 난방 축열탱크와 급탕 축열탱크 사이에 상호 열교환을 가능케 하여, 축열 열량의 사용을 극대화 하고, 소비자 기호에 따라 전체 시스템을 급탕 우선 혹은 난방 우선으로 취사 선택하게 하여 사용상의 편의를 추가할 수 있으며, 난방 축열탱크와 급탕 축열탱크를 수직으로 배열하여 설치 공간을 최소화하여 설치 제약을 해결할 수 있도록 된 난방 및 급탕 탱크 분리형 태양열 시스템을 제공하고자 함에 발명의 다른 목적이 있다.
In addition, the present invention enables mutual heat exchange between the heating heat storage tank and the hot water storage heat storage tank, maximizing the use of heat storage heat, and allowing the entire system to be selected for hot water priority or heating priority according to the consumer's preference to add convenience for use. Another object of the present invention is to provide a separate heating and hot water tank separate solar system that can solve the installation constraints by minimizing the installation space by vertically arranging the heating heat storage tank and the hot water storage heat storage tank.

상기한 목적을 달성하기 위한 본 발명의 태양열 시스템은, Solar system of the present invention for achieving the above object,

태양열을 흡수하여 내부에 수용된 열매체를 가열하는 태양열집열기, 난방수가 수용됨과 아울러 상기 태양열집열기에 집열배관을 매개로 연결되는 축열 열교환기가 설치되고 난방환수를 내측에 확산시키는 디퓨저를 구비하고 있는 축열조, 상기 축열조의 축열열량이 부족한 경우 작동되도록 상기 축열조의 난방수공급배관과 난방환수배관이 연결되는 보조보일러를 포함하여 이루어진 태양열 시스템에 있어서, A solar heat collector, which absorbs solar heat and heats the heat medium housed therein, and a heating water is accommodated, and a heat storage heat exchanger installed in the solar heat collector connected through a heat collecting pipe, and having a diffuser configured to diffuse a heating return inside. In the solar system comprising a secondary boiler that is connected to the heating water supply pipe and the heating return pipe of the heat storage tank to operate when the heat storage capacity of the heat storage tank is insufficient,

상기 축열조는 난방 축열조와 급탕 축열조로 별도로 구비되어 급탕 축열조가 난방 축열조의 상부에 적층되어 이루어지고,The heat storage tank is provided separately from the heating heat storage tank and the hot water storage heat storage tank is made of a hot water storage heat storage tank is laminated on the heating heat storage tank,

상기 태양열집열기의 집열배관에 제1 삼방향밸브를 매개로 연결되는 제1 축열 열교환기가 급탕 축열조에 설치되는 한편 상기 제1 삼방향밸브와 상기 제1 축열 열교환기의 출수관에 제2 삼방향밸브를 매개로 연결되는 제2 축열 열교환기가 난방 축열조에 설치되며,The first heat storage heat exchanger connected to the heat collecting pipe of the solar heat collector via the first three way valve is installed in the hot water storage tank, while the first three way valve and the second three way valve in the outlet pipe of the first heat storage heat exchanger. The second heat storage heat exchanger connected via the medium is installed in the heating heat storage tank,

상기 난방 축열조에 급탕 보조열교환기가 설치되고 상기 급탕 보조열교환기의 배관입구와 배관출구는 급탕 축열조로 연장되어 인입되게 설치되며,A hot water supply auxiliary heat exchanger is installed in the heating heat storage tank, and a pipe inlet and a pipe outlet of the hot water auxiliary heat exchanger are installed to extend into the hot water storage heat storage tank.

상기 난방 축열조의 난방수출수관은 제3 삼방향밸브를 매개로 보조보일러 또는 난방배관에 선택적으로 연결되는 한편 난방배관의 환수구는 제4 삼방향밸브를 매개로 보조보일러 또는 난방 축열조의 디퓨저에 선택적으로 연결된 구조로 되어 있다.
The heating export water pipe of the heating heat storage tank is selectively connected to the auxiliary boiler or the heating pipe through the third three-way valve, while the return port of the heating pipe is selectively connected to the diffuser of the auxiliary boiler or the heating heat storage tank via the fourth three-way valve. It is connected structure.

상기한 바와 같이 본 발명은 태양열에 의한 축열 열량 사용을 최대화하여, 화석 연료를 사용에 의한 보조 열원의 가동 시간을 최소화 함으로써 연료비를 절감할 수 있고, 보조 열원 사용시 난방 효율이 급탕 효율보다 낮은데 난방 우선 모드에 의해 시스템 효율을 극대화 할 수 있으며, 별도의 온수 축열탱크를 구비함으로써 풍부한 온수 사용이 가능하다. 또한, 온수 우선 혹은 난방 우선을 선택할 수 있음으로 다양한 사용 요구에 대응할 수 있으며, 설치 면적을 최소화할 수 있는 장점이 있다.As described above, the present invention maximizes the use of heat storage by solar heat, thereby minimizing the operating time of the auxiliary heat source by using fossil fuel, thereby reducing fuel cost, and heating efficiency is lower than hot water efficiency when using auxiliary heat source. The system can be maximized by mode, and abundant hot water can be used by equipping a separate hot water storage tank. In addition, hot water priority or heating priority can be selected to meet a variety of use needs, there is an advantage that can minimize the installation area.

도 1은 본 발명에 따른 태양열 시스템의 계통도를 나타내는 도면이다.1 is a diagram showing a schematic diagram of a solar system according to the present invention.

이하 예시도면에 의거하여 본 발명의 바람직한 일실시예에 대한 구성 및 작용을 상세히 설명한다.Hereinafter, the configuration and operation of the preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 태양열시스템의 계통도를 도시한 것으로서, 본 발명은 건물 외부에 설치되어 태양열을 집열한 후 태양에너지를 흡수하여 열로 변환하는 태양열집열기(10), 상기 태양열집열기(10)에서 흡수된 열을 축열하는 축열조로서, 온수공급용 열을 축열하는 급탕축열조(20)와 난방수공급용 열을 축열하는 난방축열조(30), 상기 급탕축열조(20) 또는 난방축열조(30)에서 예열된 온수 또는 난방수를 필요에 따라 소정 온도로 가열하는 보조보일러(40), 상기 난방축열조(30)에서 축열된 열이나 보조보일러(40)에서 열교환된 열을 이용하는 난방부하(50)로 이루어져 있다. 여기서 상기 급탕축열조(20)와 난방축열조(30)는 서로 독립적으로 구성되어 난방축열조(30) 위에 급탕축열조(20)가 적층된 것이며, 후술되는 바와 같은 배관으로 서로 연결되어 있다.Figure 1 is a schematic diagram of a solar system according to the present invention, the present invention is installed on the outside of the building to collect solar heat and then absorb the solar energy to convert the heat into a solar collector 10, the solar collector 10 As a heat storage tank for storing heat absorbed, preheating in a hot water storage tank 20 for storing hot water supply heat and a heating storage tank 30 for storing heat for heating water supply, the hot water storage tank 20, or a heating heat storage tank 30. It consists of a secondary boiler 40 for heating the hot water or heating water to a predetermined temperature as needed, the heating load 50 using heat accumulated in the heating heat storage tank 30 or heat exchanged in the auxiliary boiler 40. . Here, the hot water storage tank 20 and the heating heat storage tank 30 are configured independently of each other, and the hot water storage tank 20 is stacked on the heating heat storage tank 30, and is connected to each other by a pipe as described below.

그리고 상기 태양열집열기(10)의 집열배관에 부족한 열매체를 보충하기 위한 열매체 보충수탱크(60)와 온수를 설정온도로 공급하기 위한 믹싱밸브(70) 등이 추가로 설치되어 있다.In addition, a heat medium supplement water tank 60 for supplementing the heat medium lacking in the heat collecting pipe of the solar collector 10 and a mixing valve 70 for supplying hot water at a set temperature are further installed.

이러한 태양열시스템의 구성에 대해 좀 더 상세히 설명한다.The configuration of such a solar system will be described in more detail.

상기 태양열집열기(10)의 열매체 출구측에 설치되는 집열배관(11)과 열매체 입구측에 설치되는 집열배관(12) 사이에는 제1, 제2 축열열교환기(21)(31)가 직렬로 연결되는데, 상기 제1 축열열교환기(21)는 급탕축열조(20)내에 설치되고 상기 제2 축열열교환기(31)는 난방축열조(30)내에 설치되어 있다. First and second heat storage heat exchangers 21 and 31 are connected in series between the heat collecting pipe 11 installed at the heat medium outlet side of the solar heat collector 10 and the heat collecting pipe 12 installed at the heat medium inlet side. The first heat storage heat exchanger 21 is installed in the hot water storage heat storage tank 20 and the second heat storage heat exchanger 31 is installed in the heating heat storage tank 30.

그리하여 상기 태양열집열기(10)에서 가열된 열매체가 상기 제1, 제2 축열열교환기(21,31)로 순환되고, 이에 따라 상기 급탕축열조(20) 내에 수용되어 있는 직수가 상기 제1축열열교환기(21)에서 열교환이 이루어짐과 아울러 상기 난방축열조(30) 내에 수용되어 있는 난방수가 상기 제2 축열열교환기(31)에서 열교환이 이루어져 가열되게 된다.Thus, the heat medium heated in the solar heat collector 10 is circulated to the first and second heat storage heat exchangers 21 and 31, whereby the direct water contained in the hot water storage heat storage tank 20 is the first heat storage heat exchanger. The heat exchange is performed at 21 and the heating water accommodated in the heating heat storage tank 30 is heat-exchanged at the second heat storage heat exchanger 31 to be heated.

한편, 태양열집열기(10)와 급탕축열조(20)에 설치되는 제1 축열열교환기(21)를 연결하는 집열배관(11)에는 삼방향밸브(V1)가 연결되며, 상기 삼방향밸브(V1)는 집열배관(11)의 열매체를 제1 축열열교환기(21)를 거쳐 난방축열조(30)에 설치되어 있는 제2 축열열교환기(31)로 공급하거나 혹은 제1 축열열교환기(21)를 거치지 않고 제2 축열열교환기(31)로 바로 공급하도록 변경하는 역할을 한다.On the other hand, the three-way valve (V1) is connected to the heat collecting pipe (11) connecting the first heat storage heat exchanger (21) installed in the solar heat collector (10) and the hot water storage tank (20), the three-way valve (V1) Supply the heat medium of the heat collecting pipe 11 to the second heat storage heat exchanger 31 installed in the heating heat storage tank 30 via the first heat storage heat exchanger 21 or not pass through the first heat storage heat exchanger 21. It serves to change to supply directly to the second heat storage heat exchanger (31).

또한, 상기 제1 축열열교환기(21)와 난방축열조(30)에 설치되는 제2 축열열교환기(31)를 연결하는 연결배관(13)에는 삼방향밸브(V2)가 연결되며, 상기 삼방향밸브(V2)는 급탕축열조(20)의 제1 축열열교환기(21)로부터 이송되어오는 연결배관(13)의 열매체를 제2 축열열교환기(31)를 거쳐 태양열집열기(10)의 집열배관(12)으로 이송하거나 혹은 제2 축열열교환기(31)를 거치지 않고 태양열집열기(10)의 집열배관(12)으로 바로 공급하도록 변경하는 역할을 한다. In addition, a three-way valve (V2) is connected to the connection pipe (13) connecting the first heat storage heat exchanger (21) and the second heat storage heat exchanger (31) installed in the heating heat storage tank (30). The valve V2 passes through the heat medium of the connection pipe 13 transferred from the first heat storage heat exchanger 21 of the hot water storage heat storage tank 20 via the second heat storage heat exchanger 31 to collect the heat collection pipe of the solar heat collector 10 ( 12) serves to change to supply directly to the heat collecting pipe 12 of the solar heat collector 10 without passing through or the second heat storage heat exchanger (31).

이와 같이 급탕축열조(20)와 난방축열조(30)의 열매체유입구에는 각각의 삼방향밸브(V1)(V2)가 설치되어 태양열집열기(10)에서 가열된 열매체의 유입을 선택적으로 제어할 수 있도록 구성되어 있다. 즉, 콘트롤러에 의해 급탕우선모드로 작동시킬 때에는 삼방향밸브(V1)의 유로를 제1 축열열교환기(21)측으로 개방하고 삼방향밸브(V2)의 유로는 제2 축열열교환기(31)측이 아닌 집열배관(12)측으로 개방하여 태양열집열기(10)에 의해 집열된 태양열에너지를 주로 급탕축열조(20)에서 열교환시킴으로써 신속하게 급탕수를 가열하여 제공할 수 있게 된다. In this way, the three-way valves V1 and V2 are installed at the heat medium inlets of the hot water storage tank 20 and the heating heat storage tank 30 to selectively control the inflow of the heat medium heated by the solar collector 10. It is. That is, when operating in the hot water supply priority mode by the controller, the flow path of the three-way valve V1 is opened to the first heat storage heat exchanger 21 side, and the flow path of the three-way valve V2 is the second heat storage heat exchanger 31 side. Instead of opening to the heat collecting pipe 12 side, the hot water can be quickly heated and provided by heat-exchanging mainly solar heat energy collected by the solar heat collector 10 in the hot water storage heat storage tank 20.

이와는 달리 난방우선모드로 작동시킬 때에는 삼방향밸브(V1)의 유로를 제1 축열열교환기(21)측이 아닌 제2 축열열교환기(31)측으로 개방하고 삼방향밸브(V2)의 유로는 제2 축열열교환기(31)측으로 개방하여 태양열집열기(10)에 의해 집열된 태양열에너지를 주로 난방축열조(30)에서 열교환시킴으로써 신속하게 난방수를 가열하여 제공할 수 있게 된다. 나아가, 급탕모드와 난방모드를 혼용하여 사용할 경우에는 삼방향밸브(V1)(V2)의 유로를 각각 제1 축열열교환기(21)측과 제2 축열열교환기(31)으로 개방하여 태양열집열기(10)에 의해 집열된 태양열에너지를 급탕축열조(20)와 난방축열조(30)에서 열교환시켜 급탕수와 난방수를 모두 가열할 수 있게 한다.In contrast, when operating in the heating priority mode, the flow path of the three-way valve V1 is opened to the second heat storage heat exchanger 31 side instead of the first heat storage heat exchanger 21 side, and the flow path of the three-way valve V2 is Opening the two heat storage heat exchanger (31) side by heat-exchanging the solar heat energy collected by the solar heat collector 10 mainly in the heat storage tank (30) it is possible to quickly provide the heating water by heating. In addition, when the hot water supply mode and the heating mode are used in combination, the flow paths of the three-way valves V1 and V2 are opened to the first heat storage heat exchanger 21 side and the second heat storage heat exchanger 31, respectively. The solar energy collected by 10) is heat-exchanged in the hot water storage tank 20 and the heating heat storage tank 30 to heat both the hot water and the heating water.

상기 집열배관(11)에는 태양열집열기(10)의 온도를 측정할 수 있는 온도센서(TC1)가 설치되고, 집열배관(12)에는 집열배관(12)내의 압력을 감지하는 압력센서(14)가 설치됨과 아울러 집열배관(11,12)을 통해 태양열집열기(10)와 제1 축열열교환기(21) 및 제2 축열열교환기(31)간에 열매체를 순환시키기 위한 순환펌프(15)가 연결되어 있다. The heat collecting pipe 11 is provided with a temperature sensor (TC1) for measuring the temperature of the solar heat collector 10, the heat collecting pipe 12 is a pressure sensor 14 for detecting the pressure in the heat collecting pipe (12) In addition, the circulation pump 15 for circulating the heat medium between the solar heat collector 10, the first heat storage heat exchanger 21, and the second heat storage heat exchanger 31 through the heat collecting pipes 11 and 12 is connected. .

상기 압력센서(14)는 집열배관(12)내 열매체의 온도가 지나치게 상승하는 경우 압력이 설정치보다 높아지는 것을 방지하기 위하여 집열배관(12) 내의 압력을 감지하여 태양열 시스템의 전반적인 동작을 제어하는 콘트롤러(도시되지 않음)로 전달한다.The pressure sensor 14 is a controller for controlling the overall operation of the solar system by sensing the pressure in the heat collecting pipe 12 in order to prevent the pressure is higher than the set value when the temperature of the heat medium in the heat collecting pipe 12 is excessively increased ( (Not shown).

상기 콘트롤러는 온도센서(TC1)를 통해 태양열집열기(10)의 획득열량을 판단하여, 획득 열량이 많을 경우에는 순환펌프(15)의 회전수를 높여 유량을 크게 함으로써 축열열량을 높이고, 획득 열량이 적을 경우에는 순환펌프(15)의 회전수를 낮추어 유량을 적게 함으로써 순환펌프(15)의 빈번한 온/오프를 방지하여 순환펌프(15)의 내수성을 증대시키고 소비전력을 감소시킬 수 있다.The controller determines the amount of heat acquired by the solar collector 10 through the temperature sensor TC1. When the amount of heat gained is large, the controller increases the heat storage heat by increasing the rotation speed of the circulation pump 15 to increase the heat storage rate, and the amount of heat gained. When less, the rotation speed of the circulation pump 15 is reduced to reduce the flow rate, thereby preventing frequent on / off of the circulation pump 15, thereby increasing the water resistance of the circulation pump 15 and reducing power consumption.

또한, 상기 집열배관(12)의 일단에는 집열배관(12)을 통해 순환되는 열매체가 부족한 경우 이를 보충하기 위한 열매체 보충수탱크(60)가 가압펌프(16)를 매개로 연결되어 있다. 열매체 보충수탱크(60) 내에는 저수위센서(61)가 설치되어 감지된 신호를 상기 콘트롤러로 전송하며, 상기 콘트롤러에서는 열매체 보충수탱크(60)로부터 수신되는 저수위감지신호에 대응하여 통상의 경보수단을 이용하여 사용자에게 알린다.In addition, one end of the heat collecting pipe 12 is connected to the heat medium supplement water tank 60 for supplementing the heat medium circulated through the heat collecting pipe 12 through a pressure pump 16. The low water level sensor 61 is installed in the heat medium replenishing water tank 60 to transmit a detected signal to the controller, and the controller responds to the low water level detection signal received from the heat medium replenishing water tank 60. Use to inform the user.

그리고, 상기 급탕축열조(20)의 상부에는 급탕축열조(20)내의 온도를 감지하는 급탕온도센서(TC4)가 설치되어 있고, 상기 난방축열조(30)의 상부 및 하부에는 각각 난방상부온도센서(TC3)와 난방하부온도센서(TC2)가 설치되어 각 위치에서의 난방수온도를 감지하여 상기 콘트롤러로 전달하도록 이루어져 있다.In addition, an upper part of the hot water storage tank 20 is provided with a hot water temperature sensor TC4 for detecting a temperature in the hot water storage tank 20, and upper and lower heating temperature sensors TC3 of the heating heat storage tank 30, respectively. ) And a heating lower temperature sensor (TC2) is installed to detect the heating water temperature at each position and to deliver to the controller.

아울러, 난방축열조(30) 내에는 급탕보조열교환기(80)가 설치되고, 상기 급탕보조열교환기(80)의 입구와 출구는 각각 배관(81)(82)으로 연장되어 있으며, 상기 배관(81)(82)의 다른 끝단은 급탕축열조(20)에 인입되어 있다. 또한 상기 배관(82)에는 순환펌프(83)가 설치되어 있다. 따라서 순환펌프(83)를 작동시켜 급탕축열조(20)에 저장되어 있는 급탕수를 배관(81)(82)을 통해 급탕보조열교환기(80)로 순환시키면 급탕보조열교환기(80)에 의해 열교환이 이루어짐으로써 난방축열조(30)와 급탕축열조(20)간에 상호 열교환이 가능하게 된다.In addition, a hot water supply auxiliary heat exchanger (80) is installed in the heating heat storage tank (30), and an inlet and an outlet of the hot water supply auxiliary heat exchanger (80) are respectively extended to the pipes (81) and (82), and the pipes (81). The other end of) 82 is introduced into the hot water storage tank 20. In addition, the pipe 82 is provided with a circulation pump 83. Accordingly, when the hot water is stored in the hot water storage heat storage tank 20 by circulating the hot water supply storage heat exchanger 80 through the pipes 81 and 82, the heat exchange auxiliary heat exchanger 80 exchanges heat. By this, the mutual heat exchange between the heating heat storage tank 30 and the hot water storage heat storage tank 20 is possible.

다음에는 난방시스템 계통의 구성 및 작용에 대하여 설명한다.Next, the configuration and operation of the heating system system will be described.

난방축열조(30)의 상부 일측에 설치되는 난방수출구측에는 난방수공급배관(32)이 연결되는데, 상기 난방수공급배관(32)에는 난방수공급제어용 삼방향밸브(V3)를 매개로 보조보일러(40)의 난방수출구가 연결됨과 아울러 난방부하(50)의 난방수유입구가 연결된다.A heating water supply pipe 32 is connected to a heating export outlet side installed at an upper side of the heating heat storage tank 30. The heating water supply pipe 32 is an auxiliary boiler via a three-way valve V3 for heating water supply control. The heating outlet of the 40 is connected and the heating inlet of the heating load 50 is connected.

상기 보조보일러(40)의 난방수환수구와 상기 난방부하(50)의 난방수출구에서 연장되는 난방환수배관(33)에는 삼방향밸브(V4)가 연결되며, 상기 난방수환수제어용 삼방향밸브(V4)의 다른 출구에 연결되는 난방환수배관(34)에는 난방축열조(30)에 설치되는 디퓨저(35)가 연결되어 있다.A three-way valve V4 is connected to the heating return pipe 33 extending from the heating return port of the auxiliary boiler 40 and the heating export port of the heating load 50, and the three-way valve for controlling the heating return return ( The diffuser 35 installed in the heating heat storage tank 30 is connected to the heating return pipe 34 connected to the other outlet of V4).

상기 디퓨저(35)는 환수되는 난방수를 난방축열조(30)내에 분사하여 빠르게 확산되도록 함으로써 신속하게 열교환이 이루어질 수 있도록 하는 것으로, 도시된 바와 같이 디퓨저(35)는 난방축열조(30)의 하부에 설치됨이 바람직하다.The diffuser 35 is to enable rapid heat exchange by injecting the returned heating water into the heating heat storage tank 30 so as to quickly spread, the diffuser 35 is located in the lower portion of the heating heat storage tank 30 as shown. It is preferred to be installed.

또, 난방부하(50)의 입수구측에는 난방부하(50)로 입수되는 난방수의 온도를 감지하는 온도센서(TC8)가 설치되어 있고 난방부하(50)의 출수구측에는 난방부하(50)에서 출수되는 난방수의 온도를 감지하는 온도센서(TC9)가 설치되어 있으며, 각 온도센서(TC8)(TC9)는 감지된 온도신호를 콘트롤러로 전달하여 난방온도를 제어할 수 있도록 되어 있다.In addition, the inlet side of the heating load 50 is provided with a temperature sensor (TC8) for sensing the temperature of the heating water received by the heating load 50 and the outlet of the heating load 50 is discharged from the heating load 50 A temperature sensor TC9 is installed to detect the temperature of the heating water, and each temperature sensor TC8 or TC9 transmits the detected temperature signal to the controller to control the heating temperature.

그리고 상기 난방수공급배관(32) 또는 난방환수배관(33)(34)의 일단에는 난방수를 순환시키기 위한 순환펌프(36)가 설치된다. 도시된 예에서는 난방환수배관(33)에 설치된 예를 나타낸다.One end of the heating water supply pipe 32 or the heating return pipe 33 and 34 is provided with a circulation pump 36 for circulating the heating water. In the illustrated example, an example installed in the heating return pipe 33 is shown.

이와 같은 구조로 이루어진 난방시스템 계통에서 온도센서(TC3)에 의해 감지되는 난방축열조(30)내 온도가 사용자가 설정한 온도보다 높은 경우의 난방유로는, 삼방향밸브(V3)는 난방축열조(30)에서 난방부하(50) 방향으로 유로가 형성되도록 제어되는 한편 삼방향밸브(V4)는 난방부하(50)에서 난방축열조(30) 방향으로 유로가 형성되도록 제어된다. 이에 따라 난방축열조(30)의 난방수공급배관(32)을 통해 출수되는 난방수는 난방부하(50)를 거쳐 바로 난방축열조(30)로 환수되어 다시 열교환된 다음 출수되는 순환동작이 반복된다.In the heating system system having such a structure, the heating flow path when the temperature in the heating heat storage tank 30 detected by the temperature sensor TC3 is higher than the temperature set by the user, the three-way valve V3 is the heating heat storage tank 30 The flow path is controlled to form a flow path in the direction of the heating load 50 at) while the three-way valve V4 is controlled to form a flow path in the direction of the heating heat storage tank 30 at the heating load 50. Accordingly, the heating water discharged through the heating water supply pipe 32 of the heating heat storage tank 30 is directly returned to the heating heat storage tank 30 via the heating load 50 and heat exchanged again.

또, 난방축열조(30)내 온도가 사용자가 설정한 온도보다 낮은 경우의 난방유로는, 삼방향밸브(V3)는 난방축열조(30)로 흘러가는 유로가 차단되는 방향으로 유로가 형성되도록 제어되는 한편 삼방향밸브(V4)는 난방부하(50)에서 보조보일러(40) 방향으로 유로가 형성되도록 제어된다. 이에 따라 보조보일러(40)에서 열교환에 의해 가열되는 난방수는 난방부하(50)를 거쳐 다시 보조보일러(40)로 환수되고, 다시 열교환되어 출수되는 순환동작이 반복된다.In addition, when the temperature in the heating heat storage tank 30 is lower than the temperature set by the user, the three-way valve (V3) is controlled so that the flow path is formed in a direction in which the flow path flowing to the heating heat storage tank 30 is blocked. Meanwhile, the three-way valve V4 is controlled such that a flow path is formed in the direction of the auxiliary boiler 40 at the heating load 50. Accordingly, the heating water heated by the heat exchange in the auxiliary boiler 40 is returned to the auxiliary boiler 40 via the heating load 50 again, and the circulation operation of the heat exchanged and discharged is repeated.

또한, 난방축열조(30)내의 온도가 사용자가 설정한 실내온도보다 낮더라도 난방축열조(30)내의 난방수를 난방에 이용하고자 하는 경우의 유로는, 삼방향밸브(V3)는 체크밸브(CV)측으로 개방하여 난방수공급배관(32)의 유로가 체크밸브(CV)를 통해 보조보일러(40)측으로 형성되도록 제어되는 한편 삼방향밸브(V4)는 난방부하(50)에서 난방축열조(30) 방향으로 유로가 형성되도록 제어된다. 상기 체크밸브(CV)는 난방축열조(30)에서 난방수공급배관(32)을 통해 공급되는 난방수가 보조보일러(40)로 공급되어 열교환을 가능하게 하지만, 이때 난방부하(50)와 난방수환수제어용 삼방향밸브(V3)를 거쳐 보조보일러(40)로 환수되는 난방수가 난방수공급배관(32)으로 유입되는 것을 방지하기 위한 것이다. In addition, even if the temperature in the heating heat storage tank 30 is lower than the room temperature set by the user, the flow path in the case of using the heating water in the heating heat storage tank 30 for heating, the three-way valve (V3) is the check valve (CV) While opening to the side, the flow path of the heating water supply pipe 32 is controlled to be formed toward the auxiliary boiler 40 through the check valve CV, while the three-way valve V4 is directed from the heating load 50 to the heating heat storage tank 30. The flow path is controlled to form. The check valve CV is the heating water supplied from the heating heat storage tank 30 through the heating water supply pipe 32 is supplied to the auxiliary boiler 40 to enable heat exchange, but at this time, the heating load 50 and the heating water return It is for preventing the heating water returned to the auxiliary boiler 40 through the control three-way valve (V3) to flow into the heating water supply pipe (32).

이와 같이, 난방부하(50)를 통과하고 환수되는 온도와 난방축열조(30)의 온도를 상호 비교하여, 난방축열조(30)로 난방수를 유입시켜 가열하거나 외부의 보조보일러(40)를 통해 가열하도록 함으로써, 난방축열조(30) 내부 열량을 최대한 활용할 수 있다.As such, the temperature passing through the heating load 50 and being returned and the temperature of the heating heat storage tank 30 are compared with each other, and the heating water is introduced into the heating heat storage tank 30 to be heated or heated by an external auxiliary boiler 40. By doing so, it is possible to make the most of the heat amount inside the heating heat storage tank 30.

다음에는 급탕 시스템 계통에 대하여 설명한다.Next, the hot water system will be described.

급탕축열조(20)에는 앞서 설명된 바와 같이 태양열집열기(10)에 의해 집열된 태양열에너지를 이용하여 열교환하는 제1 축열열교환기(21)가 설치되어 있음과 아울러 난방축열조(30)에 축열된 열과 열교환할 수 있는 급탕보조열교환기(80)의 배관(81)(82)이 인입되어 있다. 또한, 급탕축열조(20)에는 직수관(71)이 내부로 인입되어 있음과 아울러 급탕축열조(20) 내부로부터 인출되는 온수배관(72)은 보조보일러(40)내에 설치되는 급탕열교환기(41)를 매개로 믹싱밸브(70)가 연결된다. As described above, the hot water storage tank 20 is provided with a first heat storage heat exchanger 21 for exchanging heat by using solar energy collected by the solar heat collector 10 and heat accumulated in the heating heat storage tank 30. Pipes 81 and 82 of the hot water auxiliary heat exchanger 80 capable of heat exchange are introduced. In addition, the hot water pipe 72 is introduced into the hot water storage tank 20 and the hot water pipe 72 drawn out from the inside of the hot water storage tank 20 has a hot water heat exchanger 41 installed in the auxiliary boiler 40. Mixing valve 70 is connected via the.

상기 믹싱밸브(70)의 다른 일측에는 상기 직수관(71)이 직접 연결되는 한편 또다른 일측에는 온수밸브(73)가 연결된다. 그리고, 상기 믹싱밸브(70)의 온수 입구측과 출구측 및 직수유입구측에는 각 위치에서 온수 및 직수의 온도를 감지하도록 온도센서(TC5)(TC6)(TC7)가 각각 설치되어 있다. 따라서 콘트롤러는 온도센서(TC5)(TC6)(TC7)의 감지온도와 사용자가 설정한 온수온도를 비교하여 믹싱밸브(70)의 개도를 제어한다. 즉 믹싱밸브(70)는 온수배관(72)을 통해 유입되는 온수량과 직수관(71)을 통해 유입되는 직수량의 유입량을 각각 조절하여 사용자가 설정한 온도의 온수를 공급하게 된다. 이에 따라 예기치 못한 고온의 온수배출이 방지되어 화상을 방지할 수 있게 된다. 이와 더불어 온수배관(72)의 일측에 믹싱밸브를 매개하지 않고 직접 온수밸브(74)를 연결하여 사용할 수도 있다.The water pipe 71 is directly connected to the other side of the mixing valve 70 while the hot water valve 73 is connected to the other side. Further, temperature sensors TC5, TC6, and TC7 are respectively installed at the hot water inlet side, the outlet side, and the direct inlet side of the mixing valve 70 so as to sense the temperature of the hot water and the direct water at each position. Accordingly, the controller controls the opening degree of the mixing valve 70 by comparing the detected temperature of the temperature sensors TC5, TC6, and TC7 with the hot water temperature set by the user. That is, the mixing valve 70 adjusts the amount of hot water introduced through the hot water pipe 72 and the amount of direct water flowing through the direct water pipe 71 to supply hot water at a temperature set by the user. As a result, unexpected hot water discharge may be prevented to prevent burns. In addition, a hot water valve 74 may be directly connected to one side of the hot water pipe 72 without using a mixing valve.

상기 직수관(71)은 항상 개방된 상태에 있는데, 사용자가 가정에 설치된 온수밸브(73)를 개방하면 급탕축열조(20) 또는 보조보일러(40)의 급탕열교환기(41)에서 가열된 온수가 온수배관(72)을 통해 온수밸브(73)로 공급되어 상기 직수관(71)을 통해 유입되는 직수의 압력에 의해 배출되게 된다.The hot water pipe 71 is always in an open state. When the user opens the hot water valve 73 installed in the home, the hot water heated in the hot water storage tank 20 or the hot water heat exchanger 41 of the auxiliary boiler 40 is It is supplied to the hot water valve 73 through the hot water pipe 72 is discharged by the pressure of the direct water flowing through the straight water pipe (71).

이와 같이 본 발명은 축열조를 난방축열조와 급탕축열조로 분리함으로써, 난방축열조의 용량을 태양열에너지 활용을 위한 최적의 크기로 설계할 수 있어서 겨울철 날씨에도 기존 시스템에 비해 상대적으로 높은 온도를 달성할 수 있게 되어 난방 및 급탕에 모두 사용할 수 있고, 급탕축열조를 별도로 구비함으로써 온수량이 상대적으로 풍부해진다.As such, the present invention separates the heat storage tank into a heating heat storage tank and a hot water storage heat storage tank, so that the capacity of the heating heat storage tank can be designed to an optimal size for utilization of solar energy, so that even in winter weather, a relatively high temperature can be achieved. It can be used for both heating and hot water supply, and by providing a hot water storage tank separately, the amount of hot water becomes relatively rich.

또, 분리된 난방축열조와 급탕축열조간에 상호 열교환이 가능하게 이루어져서 축열 열량의 사용을 극대화 할 수 있다.In addition, mutual heat exchange is possible between the separated heating heat storage tank and the hot water storage heat storage tank, thereby maximizing the use of heat storage heat.

또한, 분리된 난방축열조와 급탕축열조를 적층구조로 구성함으로써 설치면적을 최소화 할 수 있다.In addition, the installation area can be minimized by configuring the separated heating heat storage tank and the hot water storage heat storage tank in a laminated structure.

아울러, 급탕우선모드와 난방우선모드를 사용자가 취사선택 할 수 있어서 사용상 편리성을 제공할 수 있다.
In addition, the hot water priority mode and the heating priority mode can be selected by the user to provide convenience in use.

10 -- 태양열집열기, 14 -- 압력센서,
15,36, 83 -- 순환펌프, 16 -- 가압펌프,
20 -- 급탕축열조, 21 -- 제1 축열열교환기,
30 -- 난방축열조, 31 -- 제2 축열열교환기,
35 -- 디퓨저, 40 -- 보조보일러,
41 -- 급탕열교환기, 50 -- 난방부하,
60 -- 보충수탱크, 61 -- 저수위센서,
70 -- 믹싱밸브, 71 -- 직수관,
73 -- 온수밸브, 80 -- 급탕보조열교환기,
V1~V4 -- 삼방향밸브, TC1~TC9 -- 온도센서,
CV -- 체크밸브.10-solar collector, 14-pressure sensor,
15,36, 83-circulation pump, 16-pressurized pump,
20-hot water storage tank, 21-first heat storage heat exchanger,
30-heating heat storage tank, 31-second heat storage heat exchanger,
35-diffuser, 40-auxiliary boiler,
41-hot water heat exchanger, 50-heating load,
60-make-up tank, 61-low water sensor,
70-mixing valve, 71-straight pipe,
73-hot water valve, 80-hot water auxiliary heat exchanger,
V1 ~ V4-Three Way Valve, TC1 ~ TC9-Temperature Sensor,
CV-check valve.

Claims (3)

태양열을 흡수하여 내부에 수용된 열매체를 가열하는 태양열집열기, 난방수가 수용됨과 아울러 상기 태양열집열기에 집열배관을 매개로 연결되는 축열 열교환기가 설치되고 난방환수를 내측에 확산시키는 디퓨저를 구비하고 있는 축열조, 상기 축열조의 축열열량이 부족한 경우 작동되도록 상기 축열조의 난방수공급배관과 난방환수배관이 연결되는 보조보일러를 포함하여 이루어진 태양열 시스템에 있어서,
상기 축열조는 난방 축열조와 급탕 축열조로 별도로 구비되어 급탕 축열조가 난방 축열조의 상부에 적층되어 이루어지고,
상기 태양열집열기의 집열배관에 제1 삼방향밸브를 매개로 연결되는 제1 축열 열교환기가 급탕 축열조에 설치되는 한편 상기 제1 삼방향밸브와 상기 제1 축열 열교환기의 출수관에 제2 삼방향밸브를 매개로 연결되는 제2 축열 열교환기가 난방 축열조에 설치되며,
상기 난방 축열조에 급탕 보조열교환기가 설치되고 상기 급탕 보조열교환기의 배관입구와 배관출구는 급탕 축열조로 연장되어 인입되게 설치되며,
상기 난방 축열조의 난방수출수관은 제3 삼방향밸브를 매개로 보조보일러 또는 난방배관에 선택적으로 연결되는 한편 난방배관의 환수구는 제4 삼방향밸브를 매개로 보조보일러 또는 난방 축열조의 디퓨저에 선택적으로 연결되도록 이루어진 것을 특징으로 하는 난방 및 급탕 탱크 분리형 태양열 시스템.A solar heat collector, which absorbs solar heat and heats the heat medium housed therein, and a heating water is accommodated, and a heat storage heat exchanger installed in the solar heat collector connected through a heat collecting pipe, and having a diffuser configured to diffuse a heating return inside. In the solar system comprising a secondary boiler that is connected to the heating water supply pipe and the heating return pipe of the heat storage tank to operate when the heat storage capacity of the heat storage tank is insufficient,
The heat storage tank is provided separately from the heating heat storage tank and the hot water storage heat storage tank is made of a hot water storage heat storage tank is laminated on top of the heating heat storage tank,
The first heat storage heat exchanger connected to the heat collecting pipe of the solar heat collector via the first three way valve is installed in the hot water storage tank, while the first three way valve and the second three way valve in the outlet pipe of the first heat storage heat exchanger. The second heat storage heat exchanger connected via the medium is installed in the heating heat storage tank,
A hot water supply auxiliary heat exchanger is installed in the heating heat storage tank, and a pipe inlet and a pipe outlet of the hot water auxiliary heat exchanger are installed to extend into the hot water storage heat storage tank.
The heating export water pipe of the heating heat storage tank is selectively connected to the auxiliary boiler or the heating pipe via the third three-way valve, while the return port of the heating pipe is selectively connected to the diffuser of the auxiliary boiler or the heating heat storage tank via the fourth three-way valve. Heating and hot water tank separate solar system, characterized in that made to be connected. 제1항에 있어서, 제1 삼방향밸브의 유로가 제1축열열교환기측으로 개방되고 제2 삼방향밸브의 유로가 제2 축열열교환기측으로 차단되는 방향으로 작동되어 집열된 태양열에너지를 온수 열교환에 우선적으로 사용하는 급탕우선모드와 제1 삼방향밸브의 유로가 제1축열열교환기측으로 폐쇄되고 제2 삼방향밸브의 유로가 제2 축열열교환기측으로 개방되는 방향으로 작동되어 집열된 태양열에너지를 난방수 열교환에 우선적으로 사용하는 난방우선모드를 구비하고 있는 것을 특징으로 하는 난방 및 급탕 탱크 분리형 태양열 시스템.The hot water heat exchanger of claim 1, wherein the flow path of the first three-way valve is opened to the first heat storage heat exchanger side and the flow path of the second three-way valve is blocked to the second heat storage heat exchanger side. The hot water priority mode used first and the flow path of the first three-way valve are closed to the first heat storage heat exchanger side, and the flow path of the second three-way valve is opened to the second heat storage heat exchanger side to heat the collected solar energy. A heating and hot water tank separate type solar system, comprising a heating priority mode for preferential use for water heat exchange. 제1항 또는 제2항에 있어서, 상기 급탕축열조 내부로부터 인출되는 온수배관에는 상기 보조보일러의 급탕열교환기를 매개로 믹싱밸브가 연결되며, 상기 믹싱밸브의 다른 일측에는 직수관이 연결되는 한편, 상기 믹싱밸브의 온수 입구측과 출구 측 및 직수유입구측에는 각각 온도센서가 설치되어, 상기 믹싱밸브에서는 믹싱밸브의 입출구에 설치된 온도센서의 감지온도에 의거 출수온도가 제어되도록 이루어진 것을 특징으로 하는 난방 및 급탕 탱크 분리형 태양열 시스템.According to claim 1 or 2, wherein the hot water pipe drawn out from the hot water storage tank is connected to the mixing valve via the hot water heat exchanger of the auxiliary boiler, the other side of the mixing valve is connected to the water pipe, while the Heating and hot water supply, characterized in that the temperature sensor is installed on the hot water inlet side, outlet side and the direct water inlet side of the mixing valve, respectively, based on the sensing temperature of the temperature sensor installed at the inlet and outlet of the mixing valve. Tank detachable solar system.
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FR3002027A1 (en) * 2013-02-14 2014-08-15 Financ Ddl & Associes Heating device for heating thermal solar collector and circulating heat transfer fluid for heating room, has secondary heating circuit including selective valve to circulate secondary coolant into radiating elements in room
CN107741073A (en) * 2017-11-16 2018-02-27 浙江盈佳制冷设备有限公司 A kind of heat collection type solar air-conditioning of heat accumulation excellent effect
WO2021101015A1 (en) * 2019-11-20 2021-05-27 김성철 Regenerative heating apparatus for greenhouse using dual heat circulation
CN113606798A (en) * 2021-08-09 2021-11-05 湖北工业大学 Concentrating frequency division photovoltaic photo-thermal and geothermal integrated system with solar energy and geothermal energy coupled

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