KR100392200B1 - Heat exchange type electric water heater - Google Patents
Heat exchange type electric water heater Download PDFInfo
- Publication number
- KR100392200B1 KR100392200B1 KR10-2001-0002912A KR20010002912A KR100392200B1 KR 100392200 B1 KR100392200 B1 KR 100392200B1 KR 20010002912 A KR20010002912 A KR 20010002912A KR 100392200 B1 KR100392200 B1 KR 100392200B1
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- hot water
- storage tank
- water
- line
- heat
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 148
- 238000005338 heat storage Methods 0.000 claims abstract description 51
- 238000010438 heat treatment Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/04—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid
- F24H7/0408—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply
- F24H7/0433—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply the transfer medium being 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
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
-
- 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
- F24D3/1008—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system expansion tanks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
- F24H1/202—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply with resistances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/40—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes
- F24H1/43—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water tube or tubes helically or spirally coiled
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
-
- 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
- F24D2220/048—Level sensors, e.g. water level sensors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H2250/00—Electrical heat generating means
- F24H2250/02—Resistances
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
본 발명은 열교환식 전기온수기에 관한 것으로, 축열조(10)에 내장되어진 열교환라인(70)의 분기구(73)를 통해서 배출되는 저온의 온수와, 열교환라인(10)의 유출구(72)를 통해서 배출되는 고온의 온수가 믹싱밸브(65)에 의해서 혼합된 후, 메인 온수배출라인(60)을 통해서 외부로 출수되는 구조로 되어, 온수를 장시간 사용하더라도 출수되는 온수의 온도가 일정하게 유지되도록 된 것이다.The present invention relates to a heat exchanger type electric water heater, through low-temperature hot water discharged through the branch port 73 of the heat exchange line 70 is built in the heat storage tank 10, and through the outlet 72 of the heat exchange line (10). After the hot water discharged is mixed by the mixing valve (65), it is a structure that is discharged to the outside through the main hot water discharge line 60, so that even if the hot water is used for a long time the temperature of the hot water discharged is kept constant will be.
Description
본 발명은 열교환식 전기온수기에 관한 것으로, 특히 온수를 장시간 사용하더라도 출수되는 온수의 온도가 일정하게 유지되도록 하는 열교환식 전기온수기에 관한 것이다.The present invention relates to a heat exchanger type electric water heater, and more particularly, to a heat exchanger type electric water heater that maintains a constant temperature of hot water discharged even when hot water is used for a long time.
주지된 바와 같이, 전기히터를 가열수단으로 이용하는 전기온수기는, 연소식 온수기에 비해 냉수를 임의의 온도까지 가열하는데 있어서 상대적으로 많은 시간이 소요되므로, 축열조에 충만되어진 저장수가 항상 임의의 설정온도로 유지되도록, 전기히터를 매개로 축열조의 저장수를 가열한 상태에서, 축열조에 내장된 열교환라인의 냉수가 가열된 축열조의 저장수에 의해 간접적으로 가열되도록 하는 열교환식이 일반적이다. 이러한 열교환식 전기온수기는, 축열기능과 열전도율을 향상시키기 위해서는 축열조의 부피를 크게 하여 보다 많은 양의 저장수를 미리 가열시키는 것이 유리하므로, 소형제작이 사실상 불가능하고, 또한 온수를 사용하기 위해서는 축열조의 저장수가 임의의 설정온도로 항상 유지되어야 하므로, 전기온수기를 가동시키지 않은 상태에서 온수를 사용하기 위해서는 축열조의 저장수가 가열될 때까지 기다려야 하는 사용상의 번거로움이 있지만, 연소식 온수기에서와 같은 유해 배기가스의 방출로 인한 대기오염이 발생되지 않고, 작은 열손실로 인해서 에너지이용효율이 높으며, 유지비용이 절감되는 잇점으로 인해서 널리 이용되고 있다.As is well known, an electric water heater using an electric heater as a heating means takes relatively longer time to heat cold water to an arbitrary temperature than a combustion water heater, so that the storage water filled in the heat storage tank is always at an arbitrary set temperature. In order to maintain the heat storage tank of the heat storage tank via an electric heater, a heat exchange type is generally used such that cold water of a heat exchange line built in the heat storage tank is indirectly heated by the storage water of the heated heat storage tank. In order to improve the heat storage function and thermal conductivity, such a heat exchanger type electric water heater is advantageous in that the volume of the heat storage tank is increased so that a larger amount of storage water is preheated. Therefore, a small production is practically impossible, and in order to use hot water, Since the stored water must be maintained at a certain set temperature at all times, in order to use hot water without the electric water heater running, it is cumbersome to use it until the storage water of the heat storage tank is heated, but there is no harmful exhaust as in a combustion water heater. Air pollution is not generated due to the emission of gas, high energy use efficiency due to small heat loss, and is widely used due to the advantages of reducing maintenance costs.
도 4를 참조하여 종래 열교환식 전기온수기를 설명해 보면, 우선 전기온수기를 작동시킨 상태에서, 축열조(10)에 설치되어진 온도감지센서(31,32)에서 작동제어수단(1 ; 도 1 참조)으로 입력되는 저장수의 온도가 미리 셋팅되어진 최저 온도보다 낮아지게 되면, 작동제어수단(1)에서 축열조(10)에 설치된 전기히터(20)에 전원을 공급하여, 축열조(10)에 저장된 저장수가 연속적으로 가열되도록 한다.Referring to FIG. 4, a conventional heat exchanger type electric water heater will be described. First, in a state in which the electric water heater is operated, the temperature control sensors 31 and 32 installed in the heat storage tank 10 are operated as the operation control means 1 (see FIG. 1). When the temperature of the input storage water becomes lower than the preset minimum temperature, the operation control means 1 supplies power to the electric heater 20 installed in the heat storage tank 10, and the storage water stored in the heat storage tank 10 is continuously To be heated.
이후, 전기히터(20)에 의해 연속적으로 가열되는 저장수의 온도가 미리 셋팅되어진 최고 온도보다 높아지게 되면, 작동제어수단(1)에서 전기히터(20)로의 전원공급을 차단하여, 저장수가 필요이상으로 과열되지 않도록 한다.Then, when the temperature of the storage water continuously heated by the electric heater 20 becomes higher than the preset maximum temperature, the power supply to the electric heater 20 is cut off from the operation control means 1, the stored water is no longer necessary. Do not overheat.
이와 같이 축열조(10)의 저장수가 설정온도범위 내로 가열되면, 가열된 저장수에 의해 나선형으로 권취되어진 열교환라인(70)의 냉수가 간접적으로 가열되는데, 사용자가 메인 온수배출라인(60)으로부터 온수를 출수시키면, 냉수공급라인(50)으로부터 열교환라인(70)으로 연속적으로 냉수가 유입되면서, 열교환라인(70)으로 유입되어진 냉수는 열교환라인(70)을 따라서 메인 온수배출라인(60)으로 유동되면서 가열된 후, 메인 온수공급라인(60)을 통해서 고온의 온수가 연속적으로 출수된다.When the storage water of the heat storage tank 10 is heated in the set temperature range as described above, cold water of the heat exchange line 70 spirally wound by the heated storage water is indirectly heated, and the user receives hot water from the main hot water discharge line 60. When water is discharged, while cold water is continuously introduced from the cold water supply line 50 into the heat exchange line 70, the cold water introduced into the heat exchange line 70 flows along the heat exchange line 70 to the main hot water discharge line 60. After being heated while, hot water of high temperature is continuously discharged through the main hot water supply line 60.
그러나, 상기 종래 기술에 따른 열교환식 전기온수기의 경우에는, 냉수공급라인(50)과 메인 온수배출라인(60)이 열교환라인(70)의 양쪽 선단에 직렬로 연결되어진 구조로 되어 있어서, 사용자가 온수를 출수시키게 되면, 처음에는 고온의 온수가 출수되지만, 시간이 경과될수록 축열조(40)의 난방수가 빠르게 냉각되므로, 출수되는 온수의 온도가 시간이 경과될수록 낮아지게 되는 문제가 발생되었다.However, in the case of the heat exchanger type electric water heater according to the related art, the cold water supply line 50 and the main hot water discharge line 60 have a structure in which both ends of the heat exchange line 70 are connected in series. When the hot water is discharged, hot water is first extracted from the hot water, but the heating water of the heat storage tank 40 is rapidly cooled as time passes, so that the temperature of the hot water discharged is lowered as time passes.
이러한 문제를 해소하기 위하여, 종래에는 축열조(40)의 용량을 고려해서 열교환라인(70)의 권수를 적절하게 조절하여, 메인 온수배출라인(60)을 통해서 외부로 출수되는 온수의 온도가 가급적 일정하게 유지되도록 하고 있지만, 종래 열교환식 전기온수기의 구조로는 이러한 문제를 해결하는데 한계가 발생된다.In order to solve such a problem, in the related art, the number of turns of the heat exchange line 70 is appropriately adjusted in consideration of the capacity of the heat storage tank 40 so that the temperature of the hot water discharged to the outside through the main hot water discharge line 60 is preferably constant. However, the conventional heat exchanger type electric water heater has a limitation in solving this problem.
이에 본 발명은 상기와 같은 문제를 해결하기 위하여 발명된 것으로, 온수를 장시간 사용하더라도 출수되는 온수의 온도가 일정하게 유지되도록 하는 열교환식 전기온수기를 제공함에 그 목적이 있다.Accordingly, the present invention has been invented to solve the above problems, and an object thereof is to provide a heat exchanger type electric water heater that maintains a constant temperature of hot water discharged even when hot water is used for a long time.
도 1은 본 발명에 따른 열교환식 전기온수기를 도시한 사시도,1 is a perspective view showing a heat exchanger type electric water heater according to the present invention;
도 2는 도 1에 도시된 열교환식 전기온수기의 주요 부분을 부분절개한 단면도,Figure 2 is a cross-sectional view of the main part of the heat exchanger type electric water heater shown in Figure 1
도 3a 및 도 3b는 종래 기술에 따른 열교환식 전기온수기와 본 발명에 따른 열교환식 전기온수기의 사용성능을 비교도시한 그래프이다.3a and 3b is a graph showing the performance comparison of the heat exchanger type electric water heater according to the prior art and the heat exchanger type electric water heater according to the present invention.
도 4는 종래 기술에 따른 열교환식 전기온수기의 주요 부분을 부분절개한 단면도로서, 도 2에 대한 대응도이다.FIG. 4 is a cross-sectional view of a main part of the heat exchanger type electric water heater according to the prior art, which corresponds to FIG. 2.
- 첨부도면의 주요 부분에 대한 용어 설명 --Explanation of terms for the main parts of the accompanying drawings-
1 ; 작동제어수단, 10 ; 축열조,One ; Operation control means; Heat Storage Tank,
20 ; 전기히터, 31,32 ; 온도감지센서,20; Electric heaters, 31,32; Temperature Sensor,
35 ; 저수위감지센서, 40 ; 축열조급수라인,35; Low water level sensor, 40; Regenerative water supply line,
50 ; 냉수공급라인, 60 ; 메인 온수배출라인,50; Cold water supply line, 60; Main hot water discharge line,
61,62 ; 보조 온수배출라인, 65 ; 믹싱밸브,61,62; Auxiliary hot water discharge line, 65; Mixing valve,
70 ; 열교환라인, 71 ; 유입구,70; Heat exchange line, 71; Inlet,
72 ; 유출구, 73 ; 분기구,72; Outlet, 73; Branch,
80 ; 팽창라인, 90 ; 팽창탱크,80; Expansion line, 90; Expansion tank,
100 ; 지지구조체, 111,112 ; 축열조 받침대,100; Support structure, 111,112; Heat storage tank pedestal,
121,122 ; 외곽틀, 130,140 ; 외곽틀 고정부재.121,122; Outer frame, 130,140; Outer frame fixing member.
상기와 같은 목적을 달성하기 위한 본 발명은, 온도감지센서와 전기히터를 갖추고서 축열조 급수라인에 연통되어진 축열조에 나선형으로 권취되어진 열교환라인이 내장되고, 열교환라인의 양쪽 선단으로 개구된 유입구와 유출구가 축열조의 냉수공급라인과 메인 온수배출라인에 각각 연통되어진 구조로 되어, 전기히터에 의해 가열되어진 축열조의 저장수에 의해 열교환라인의 냉수가 간접가열되는 열교환식 전기온수기에 있어서, 상기 메인 온수배출라인에 믹싱밸브가 구비되고, 열교환라인의 임의의 부분으로부터 분기되어진 분기구와, 상기 유출구가 각각 보조 온수배출라인을 매개로 믹싱밸브에 병렬로 연결되는 것을 특징으로 하는 구조로 되어 있다.In order to achieve the above object, the present invention includes a heat exchange line spirally wound in a heat storage tank connected to a heat storage tank water supply line having a temperature sensor and an electric heater, and an inlet and an outlet opening at both ends of the heat exchange line. In a heat exchanger type electric water heater in which the cold water supply line of the heat storage line is indirectly heated by the storage water of the heat storage tank heated by an electric heater, and the main water discharge line is in communication with each other. A mixing valve is provided in the line, and the branch port branched from an arbitrary part of the heat exchange line, and the outlet port are connected to the mixing valve in parallel via the auxiliary hot water discharge line, respectively.
이하 본 발명을 첨부된 예시도면에 의거하여 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
도 1은 본 발명에 따른 열교환식 전기온수기를 도시한 사시도이고, 도 2는 도 1에 도시된 열교환식 전기온수기의 주요 부분을 부분절개한 단면도로서, 본 발명의 하나의 실시예를 도시하고 있는 바, 이에 의하면, 본 발명에 따른 열교환식 전기온수기는, 각 구성요소들의 동작을 자동으로 제어하는 작동제어수단(1)과, 축열조 급수라인(40)에 연통되는 원통형태의 축열조(10), 축열조(10)의 둘레면 하부에 설치되어 축열조(10) 내의 저장수를 가열하는 전기히터(20), 축열조(10)의 둘레면에 설치되어 축열조(10) 내의 저장수의 온도를 감지하는 온도감지센서(31,32), 축열조(10)에 내장되어 이의 양쪽 선단으로 개구된 유입구(71)와 유출구(72)가 축열조(10)의 냉수공급라인(50)과 보조 온수배출라인(61)에 각각 연통되면서, 임의의 부분으로부터 분기되어진 분기구(73)가 보조 온수배출라인(62)에 연통되는 열교환라인(70), 메인 온수배출라인(60)에 구비되어 유출구(72)의 보조 온수배출라인(61)과 분기구(73)의 보조 온수배출라인(62)이 병렬로 연결되는 믹싱밸브(65), 축열조(10)의 상부에 팽창라인(80)을 매개로 연통되는 팽창탱크(90), 이들 각 구성요소들을 지지하는 지지구조체(100)로 이루어진 구조로 되어 있다.1 is a perspective view showing a heat exchanger type electric water heater according to the present invention, Figure 2 is a cross-sectional view of a major part of the heat exchanger type electric water heater shown in Figure 1, showing an embodiment of the present invention Bar, according to the heat exchanger type electric water heater according to the present invention, the operation control means (1) for automatically controlling the operation of each component, the heat storage tank 10 of the cylindrical form in communication with the heat storage tank water supply line (40), An electric heater 20 installed below the circumferential surface of the heat storage tank 10 to heat the storage water in the heat storage tank 10 and a temperature installed on the circumferential surface of the heat storage tank 10 to sense the temperature of the storage water in the heat storage tank 10. The inlet 71 and the outlet 72 which are embedded in the sensing sensors 31 and 32 and the heat storage tank 10 and open to both ends thereof are provided with the cold water supply line 50 and the auxiliary hot water discharge line 61 of the heat storage tank 10. Branches 73 branched from an arbitrary portion are communicated with each other to the beams. It is provided in the heat exchange line 70, the main hot water discharge line 60 communicated with the crude hot water discharge line 62, the auxiliary hot water discharge line 61 of the outlet 72 and the auxiliary hot water discharge line of the branch (73) ( 62 is a mixing valve 65 is connected in parallel, the expansion tank 90 is communicated through the expansion line 80 to the upper portion of the heat storage tank 10, the support structure 100 for supporting each of these components It is structured.
상기 열교환식 전기온수기의 작동상태를 설명해 보면, 축열조 급수라인(40)을 통해서 축열조(10) 내부에 저장수가 충만되고, 냉수공급라인(50)을 통해서 열교환라인(70) 내부에 냉수가 충진된 상태에서, 전원제어수단(2)을 ON으로 전환하면, 셋팅 조건에 따라서 작동제어수단(1)에 의해 축열조(10)의 저장수를 가열하기 위한 동작이 수행된다.Referring to the operating state of the heat exchanger type electric water heater, the storage water is filled in the heat storage tank 10 through the heat storage tank water supply line 40, and the cold water is filled in the heat exchange line 70 through the cold water supply line 50. In the state, when the power supply control means 2 is turned ON, an operation for heating the storage water of the heat storage tank 10 is performed by the operation control means 1 according to the setting condition.
상기 축열조(10) 내의 저장수의 온도가 설정 온도보다 낮으면,전원제어수단(2)에 의해 전기히터(20)로 전원이 인가되어, 전기히터(20)에 의해 축열조(10)의 저장수가 가열되고, 반면 온도감지센서(31,32)를 매개로 감지되는 축열조(10) 내의 저장수의 온도가 설정 온도보다 높으면, 전원제어수단(2)에 의해 전기히터(20)로의 전원이 차단되어, 전기히터(20)에 의한 축열조(10)의 저장수 가열이 정지된다.If the temperature of the storage water in the heat storage tank 10 is lower than the set temperature, power is applied to the electric heater 20 by the power supply control means 2, the storage water of the heat storage tank 10 by the electric heater 20 When the temperature of the stored water in the heat storage tank 10 sensed by the temperature sensing sensors 31 and 32 is higher than the set temperature, the power to the electric heater 20 is cut off by the power control means 2. The storage water heating of the heat storage tank 10 by the electric heater 20 is stopped.
상기 열교환라인(70) 내에 충진된 냉수는 고온으로 가열된 축열조(10)의 저장수에 의해 간접 가열되는데, 사용자가 온수를 이용하게 되면, 냉수 공급라인(50)을 통해서 유입되는 냉수가 열교환라인(70)을 통과하면서 가열된 후, 유출구(72)와 분기구(73)을 통해서 보조 온수배출라인(61,62)으로 배출되어 믹싱밸브(65)에서 의해 혼합되고, 이후 메인 온수배출라인(60)을 통해서 외부로 출수되므로, 연속적으로 온수를 사용할 수 있게 된다.The cold water filled in the heat exchange line 70 is indirectly heated by the storage water of the heat storage tank 10 heated to a high temperature. When the user uses hot water, the cold water introduced through the cold water supply line 50 is transferred to the heat exchange line. Heated while passing through the 70, it is discharged to the auxiliary hot water discharge line (61, 62) through the outlet 72 and the branch (73) and mixed by the mixing valve 65, and then the main hot water discharge line ( Since it is withdrawn through 60), it is possible to use hot water continuously.
여기서, 본 발명에 따른 열교환식 전기온수기의 경우에는, 열교환라인(70)의 일부분을 통과하면서 축열조(10)의 저장수에 의해 부분적으로 가열된 저온의 온수와, 열교환라인(70)의 전체 부분을 통과하면서 축열조(10)의 저장수에 의해 완전히 가열되어진 고온의 온수가 보조 온수배출라인(61,62)을 통해서 믹싱밸브(65)로 유입되어 혼합된 후 메인 온수배출라인(60)을 통해서 외부로 출수되도록 되어 있다는 점을 주목할 필요가 있다.Here, in the case of the heat exchanger type electric water heater according to the present invention, the low-temperature hot water partially heated by the storage water of the heat storage tank 10 while passing through a portion of the heat exchange line 70, and the entire portion of the heat exchange line 70 The hot water of the hot water that is completely heated by the storage water of the heat storage tank 10 while passing through is introduced into the mixing valve 65 through the auxiliary hot water discharge lines 61 and 62 and mixed, and then through the main hot water discharge line 60. It is important to note that it is intended to be discharged to the outside.
이러한 경우, 사용자가 온수를 이용하기 위해서 메인 온수배출라인(60)을 개구시켜서 이의 온수를 출수하더라도, 축열조(10)의 저장수가 열교환라인(70)의 냉수를 가열하면서 빠르게 냉각되어지는 것이 억제되므로, 장시간에 걸쳐서 온수를출수하더라도, 출수되는 온수의 온도가 일정한 온도로 안정적으로 유지되게 된다.In this case, even if the user opens the main hot water discharge line 60 in order to use hot water and discharges the hot water, the storage water of the heat storage tank 10 is restrained from being rapidly cooled while heating the cold water of the heat exchange line 70. Even if the hot water is withdrawn for a long time, the temperature of the hot water discharged is stably maintained at a constant temperature.
도 3a 및 도 3b는 종래 기술에 따른 열교환식 전기온수기와 본 발명에 따른 열교환식 전기온수기의 사용성능을 비교도시한 그래프로서, 도 3a는 본 발명에 따른 열교환식 전기온수기를, 도 3b는 종래 기술에 따른 열교환식 전기온수기를 도시하고 있는 바, 이를 참조해 보면, 본 발명에 따른 열교환식 전기온수기의 경우에는, 온수 출수시간이 경과되더라도 임의의 시간까지 출수되는 온수의 온도가 일정하게 유지되는 반면, 종래 기술에 따른 열교환식 전기온수기의 경우에는, 온수 출수시간이 경과됨에 따라서 점진적으로 출수되는 온수의 온도가 낮아지는 것을 알 수 있다.3a and 3b is a graph showing the performance comparison of the heat exchanger type electric water heater according to the prior art and the heat exchanger type electric water heater according to the present invention, Figure 3a is a heat exchanger type electric water heater according to the present invention, Figure 3b is a conventional The heat exchanger type electric water heater according to the technology is illustrated. Referring to this, in the case of the heat exchanger type electric water heater according to the present invention, the temperature of the hot water discharged to a certain time is kept constant even after the hot water discharge time has elapsed. On the other hand, in the case of the heat exchanger type electric water heater according to the prior art, it can be seen that the temperature of the hot water gradually discharged decreases as the hot water discharge time elapses.
한편, 도 1에 도시된 바와 같이, 축열조(10)에 팽창라인(80)을 매개로 팽창탱크(90,91,92)가 연통되도록 하면, 축열조(10)의 저장수가 온도변화에 따라서 부피변화되더라도, 축열조(10)의 내압이 일정하게 유지되는 잇점이 있다.Meanwhile, as shown in FIG. 1, when the expansion tanks 90, 91, and 92 communicate with the heat storage tank 10 through the expansion line 80, the storage water of the heat storage tank 10 changes in volume with temperature change. Even if it is, there exists an advantage that the internal pressure of the heat storage tank 10 is kept constant.
또한, 도 1에 도시된 바와 같이, 저수위감지센서(35)를 팽창탱크(90)에 설치하게 되면, 저수위감지센서의 오작동을 쉽게 판별할 수 있고, 이의 교체작업도 수월하게 되는 잇점이 있다.In addition, as shown in Figure 1, when the low water level sensor 35 is installed in the expansion tank 90, it is easy to determine the malfunction of the low water level sensor, there is an advantage that it is easy to replace.
이상 상기한 바와 같은 본 발명에 따르면, 축열조에 내장되어진 열교환라인의 분기구를 통해서 배출되는 저온의 온수와, 열교환라인의 유출구를 통해서 배출되는 고온의 온수가 믹싱밸브에 의해서 혼합된 후, 메인 온수배출라인을 통해서 외부로 출수되므로, 온수를 연속적으로 출수하더라도, 축열조의 저장수가 빠르게 온도저하되지 않게 되어, 사용자가 온수를 장시간에 걸쳐서 출수시키더라도, 출수되는 온수의 온도가 일정하게 유지되므로, 사용기능이 향상되고, 상품성이 향상되는 효과가 있다.According to the present invention as described above, after the low-temperature hot water discharged through the branch port of the heat exchange line built in the heat storage tank and the hot water discharged through the outlet of the heat exchange line is mixed by the mixing valve, the main hot water Since the water is discharged to the outside through the discharge line, even if the hot water is continuously discharged, the storage water of the heat storage tank is not rapidly lowered in temperature. The function is improved, and the merchandise is improved.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0002912A KR100392200B1 (en) | 2001-01-18 | 2001-01-18 | Heat exchange type electric water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0002912A KR100392200B1 (en) | 2001-01-18 | 2001-01-18 | Heat exchange type electric water heater |
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| KR20020061847A KR20020061847A (en) | 2002-07-25 |
| KR100392200B1 true KR100392200B1 (en) | 2003-07-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101023505B1 (en) | 2008-11-24 | 2011-03-21 | 김현섭 | The hot-water tank |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990042036U (en) * | 1998-05-29 | 1999-12-27 | 김철병 | Heat storage tank of solar water heater |
| KR20020040230A (en) * | 2000-11-24 | 2002-05-30 | 박종철 | Heat exchanger for hot water equipment using night electric |
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2001
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990042036U (en) * | 1998-05-29 | 1999-12-27 | 김철병 | Heat storage tank of solar water heater |
| KR20020040230A (en) * | 2000-11-24 | 2002-05-30 | 박종철 | Heat exchanger for hot water equipment using night electric |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101023505B1 (en) | 2008-11-24 | 2011-03-21 | 김현섭 | The hot-water tank |
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