KR20050068288A - Solar heating and domestic hot water system connected with a boiler for home - Google Patents

Abstract

The present invention relates to a solar hot water supply and heating system in conjunction with a domestic boiler, the configuration of the first, second, third heat exchange coils (110, 120, 130) and the upper and lower direct inflow pipe 140 and hot water therein The discharge pipe 150 is installed, and the temperature sensors 640, 620, and 610 are respectively installed and coupled around the first, second, and third heat exchange coils 110, 120, and 130 to measure the upper temperature. Automatic valve 151 that operates when the temperature sensor around the 1,2,3 heat exchange coil is above a certain temperature, an overpressure safety valve 431 that operates when the pressure is above a certain pressure, and a drain pipe installed to be discharged when they operate. Heat storage tank 100 is configured to be combined; Is connected by the first heat exchange coil 110 and the collection pipe 220, the expansion tank 420, overpressure safety valve 450, air vent 210, pressure gauge 430 temperature sensor 650 on one side Installed, the heat medium filling tank 470 for filling the heat medium of the heat collecting pipe 220, the differential pressure pump 411 and the check valve 441 provided in the pipe between the heat medium filling tank and the heat collecting pipe, the heat collecting pipe and the filling pipe A solar collector 200 composed of valves 460, 461, 462 installed on 463; A gas boiler having a heat exchanger 320 connected to the second and third heat exchanger coils 120 and 130 and a heating pipe 340; And the second and third heat exchange coils 120 and 130, the heat exchanger, the heating pipe 340, and the heating load 500 are connected to each other so that the flow path is changed by the three-way valves 350, 360, and 370 to heat and supply hot water. It is characterized in that the combination consisting of a heating, hot water piping circuit and a temperature sensor configured to be.

Description

Solar heating and domestic hot water system connected with a boiler for home}

The present invention relates to a solar boiler system that can be used as an auxiliary heat source by linking a solar collector and a heat storage system with a gas boiler, and more particularly, detects a temperature, a solar collector temperature, a heating water temperature, and the like of each solar heat storage tank by a sensor. The present invention relates to a solar hot water supply and heating system in connection with a home boiler which increases energy efficiency by operating a solar heat collection and heat storage system and a gas boiler in an optimal state.

Conventional boilers supply hot water for heating and living using oil or gas as fuel, but the use of alternative energy is gradually increasing as the price of fossil fuel increases and the pollution problem caused by use increases.

In recent years, many solar boilers using solar heat, which require a lot of initial installation costs but do not require additional maintenance costs, do not cause pollution problems.However, as in Korea, the four seasons are distinct and the sun's annual altitude changes and the weather changes. In many cases, boiler systems that rely solely on solar heat did not have enough heat to provide heating and hot water for living.

That is, the size of the solar collector should be increased for the boiler system using only solar heat as a heat source, but it is difficult to use in a general home because it requires a large cost and a large installation space.

As a result, an improved solar boiler system has been developed in which solar heat is accumulated during daytime when solar heat is concentrated and hot water is charged to the heat storage tank by using electricity as an auxiliary heat source on a cloudy day or at night when there is no solar heat. Since the hot water cannot be heated enough to use the hot water and heating, the heat charging of the heat storage tank is mostly made by the late-night electricity at night when the solar collector is not operated, rather than the daytime when the solar heat is concentrated, so that the solar collector cannot be efficiently used. there was.

In addition, since most of the conventional pipes between the solar collector and the heat storage tank are formed of a single pipe using heat medium for water, there is a problem in that the pipes of the collector pipe side installed outside are freeze in winter.

The present invention has been invented to solve the above problems, the sensor detects the temperature of each part of the solar heat storage tank, the temperature of the solar heat collector, the heating water temperature and the like, and installed heat exchange coils connected to the solar heat collector and the gas boiler inside the heat storage tank, respectively. Solar heat and gas boilers are used as a heating heat source, and solar heat is used as a hot water heating source, but a gas boiler is used as an auxiliary heat source for hot water heating and heating heating if necessary according to the temperature of each part detected by the sensor. To provide a system.

Another object of the present invention is to provide a solar boiler system that prevents freezing of externally installed pipes by filling a heat collecting pipe with antifreeze (a mixture of water and ethylene glycol) and exchanging heat.

The solar boiler system of the present invention, which achieves the above object and performs a problem for eliminating the drawbacks of the prior art, includes first, second, and third heat exchange coils 110, 120, and 130 directly inside and upper and lower parts. A water inlet pipe 140 and a hot water discharge pipe 150 are installed, and temperature sensors 640, 620, and 610 measuring the upper and upper temperatures of the first, second, and third heat exchange coils 110, 120, and 130 are disposed outside. Respectively installed and coupled, the automatic valve 151 to operate when the temperature sensor around the first, second and third heat exchange coils is above a predetermined temperature, the overpressure safety valve 431 to operate when a certain pressure or more and discharged when they are operated A heat storage tank (100) configured to be coupled to the drain pipe (452) installed to be provided;

Is connected by the first heat exchange coil 110 and the collection pipe 220, the expansion tank 420, overpressure safety valve 450, air vent 210, pressure gauge 430 temperature sensor 650 on one side Installed, the heat medium filling tank 470 for filling the heat medium of the heat collecting pipe 220, the differential pressure pump 411 and the check valve 441 provided in the pipe between the heat medium filling tank and the heat collecting pipe, the heat collecting pipe and the filling pipe A solar collector 200 composed of valves 460, 461, 462 installed on 463;

A gas boiler having a heat exchanger 320 connected to the second and third heat exchanger coils 120 and 130 and a heating pipe 340; And

The second and third heat exchange coils 120 and 130 and the heat exchanger, the heating pipe 340 and the heating load 500 are connected to each other to change the flow path by the three-way valves 350, 360 and 370 to provide heating and hot water supply. It is characterized in that the combination consisting of a heating, hot water supply piping circuit and a temperature sensor.

In addition, the heating inlets of the second and third heat exchange coils 120 and 130 are connected via a three-way valve 370, and an inlet pipe 170 connected to the three-way valve is connected to the heating inlet and outlet of the heat exchanger, respectively. It is connected via the installed three-way valve (350, 360), characterized in that the discharge pipe 180 is connected to the outlet of the second and third heat exchange coil is connected to the heating inlet of the heat exchanger.

The three-way valve 350 is installed on the outside of the boiler is characterized in that the pipe is configured to be easily connected.

Pumps are installed on the heat collecting pipe, the inlet pipe, and the heating pipe, respectively, and the solar controllers are configured to control the operation of the pump by comparing output information from each sensor.

When the temperature of the hot water supplied from the heat storage tank is high by connecting the direct water inflow pipe and the hot water discharge pipe from the heat storage tank to the direct bypass pipe 152 having the mixing valve 153, the hot water and the direct water are mixed by the control of the solar controller. Characterized in that configured to.

When the automatic valve 151 is installed outside the heat storage tank, when the temperature of the hot water of the heat storage tank is high, the superheated water of the heat storage tank may be partially discharged by the control of the solar controller.

In order to prevent overheating of the heat storage medium of the heat storage tank, when the heat storage tank reaches a predetermined temperature or more, the heat medium (antifreeze) circulation pump 410 is stopped to prevent the heat collection, and thus, when the heat collection pipe is overheated, the expansion tank is primarily At 420, the secondary pressure overpressure safety valve 450 is operated to discharge the heat medium to the outside, and after the above situation, the differential pressure pump 411 operates to match the set pressure of the heat collecting pipe to replenish the heat medium. Characterized in that configured to be.

Hereinafter, the configuration and the operation of the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram according to an embodiment of the present invention, the present invention is largely supplying high-temperature heating water to the solar collector 200, the external heating load 500 to convert solar energy into a hot water heating source. It is divided into a heat storage tank 100 is connected to the gas boiler 300, the solar collector 200 and the gas boiler 300, the heat exchange coil (110, 120, 130) in which hot water is circulated.

The solar heat collector 200 installed outside the building to collect solar heat is coupled to the heat collecting pipe 220 so that the heat exchanger is connected to the first heat exchange coil 110 of the heat storage tank 100 at both ends to heat exchange in the heat storage tank. Is, the temperature sensor 650 for measuring the temperature of the solar collector 200 and the air vent 210 to discharge the high-temperature steam and bleed air when filling the antifreeze to the connection portion of the heat collecting pipe 220 ), And expansion tank 420, pressure gauge 430 is provided.

In addition, during the initial installation of the present invention, when filling the antifreeze in the heat collecting pipe 220, the pipe 463 and the valves (460, 461, 462) was configured to fill only the antifreeze in the pipe while removing the air in the pipe, antifreeze When the antifreeze in the heat collecting pipe is exhausted by evaporation or overpressure, the differential pressure pump 411 connected to the heat medium filling tank 470 operates to fill the antifreeze in the heat collecting pipe 220.

In particular, the filling pipe 463 is connected to the heat collecting pipe is installed in the upper space of the heat medium filling tank 470, the valve 460, 461, 462 is centered on the valve 462 and the filling pipe 463 installed in the filling pipe It is installed on both side heat collecting pipe 220.

The heat medium circulating inside the heat collecting pipe 220 uses an antifreeze (preferably water 50vol% + ethylene glycol 50vol%) having a large heat capacity and a low freezing temperature and installs a circulation pump 410 for circulation. do.

The temperature sensor 650 is preferably installed on the outlet side for discharging the hot water heated in the solar collector 200.

In addition, the safety valve 450 also serves to discharge the foreign substances such as capstone (罐 石) generated while being heated in the solar collector 200 and the foreign matter contained in the hot water flowing through the collecting pipe 220. Can be.

Meanwhile, in the heat collecting pipe 220 connected to the solar heat collector 200, the antifreeze heated in the solar heat collector 200 circulates and circulates and accumulates in the heat storage tank 100 through the first heat exchange coil 110.

The reason for direct heat exchange between the solar collector 200 and the heat storage tank 100 as described above is that when the antifreeze and the heat storage medium of the heat storage tank are heat-exchanged in the first heat exchange coil portion installed under the heat storage tank, the temperature of the bottom of the heat storage tank is increased. In addition, the heat storage medium is stored at the top of the heat storage tank due to the difference in density, so that the stored hot water can be effectively used for hot water supply and heating.

The collecting pipe 220 includes a pump 410 capable of circulating the heated antifreeze, and a pressure gauge 430 for measuring pressure generated by hot water of high temperature together with a check valve 440 for circulating hot water in a predetermined direction. An expansion tank 420 for reducing pressure and pressure, and an overpressure safety valve 450 are installed.

On the other hand, the direct fluid inlet pipe 480 is connected to the heat medium filling tank 470 for filling the antifreeze, so that it is easy to adjust the mixing ratio of the antifreeze when the antifreeze is filled, and a check valve 441 is installed at the lower end of the differential pressure pump 411. Thus, the antifreeze in the heat collecting pipe 220 was prevented from entering the heat medium filling tank 470.

The heat storage tank 100 which is heat-exchanged with the solar heat collector 200 by the heat collecting pipe 220 and the first heat exchange coil 230 is connected to a direct inflow pipe 140 through which direct water is supplied, and a hot water discharge pipe at the top thereof. In addition to the 150 is connected, the low water level sensor 160 is installed. The direct water inlet pipe 140 is provided with a drain valve 141 for discharging the foreign matter, the hot water discharge pipe 150 is the temperature of the heat storage tank to prevent overheating and overpressure of the heat storage tank 100 is set temperature. When the operation is over, the automatic valve 151 and the drain pipe 452 are configured to discharge part of the heat storage tank. When the water in the heat storage tank is overheated, the mixing valve is heated to a constant temperature for the user's safety. 153). In addition, a pressure gauge 431 which always shows the pressure of the heat storage tank, and an overpressure safety valve 451 for preventing overpressure of the heat storage tank are installed in the heat storage tank, and when the safety valve is operated, the water of the heat storage tank is discharged to the outside. A drain pipe 452 is configured.

In addition, one side of the direct bypass pipe 152 having the mixing valve 153 is connected to one point of the hot water discharge pipe 150 outside the heat storage tank 100, and the direct inflow pipe 140 connected to the other side of the direct bypass pipe 152. Direct water flows in accordance with the opening of the mixing valve 153 through the mixing valve 153 when the internal temperature of the heat storage tank measured by the temperature sensor 610 is overheated so that it is difficult for the user to directly use the mixing valve 153. Is opened so that the hot water passing through the hot water discharge pipe 150 discharged from the heat storage tank 100 and the cold water supplied from the direct water inlet pipe 140 is mixed to lower the temperature of the hot water to supply the proper temperature.

On the other hand, inside the heat storage tank 100, the first heat exchange coil 110 and the inlet pipe 170 and the discharge pipe 180 connected through the solar collector 200 and the heat collecting pipe 220 as a medium. 2, 3 heat exchange coils (120, 130) are installed, the heat exchange with the hot water stored in the heat storage tank 100 is made, the outside of the first heat exchange coil 110 and the second, 3 heat exchange coils (120, 130) Temperature sensors 640, 620, and 610 are respectively installed to measure the hot water temperature of the installed portion, and transmit the measured temperature information to the solar controller 510 as an electrical signal.

The gas boiler 300 connected to the heat storage tank 100 through the heating water inlet pipe 170 and the discharge pipe 180 is provided with a heat exchanger 320 and a pump 330 heated by the burner 310. The heating pipe 340 is connected to the external heating load 500.

Meanwhile, three-way valves 350 and 360 are installed at the heating pipe 340, and a heating water inlet pipe 170 is connected to the three-way valves 350 and 360. The heating water inlet pipe 170 is connected to the second and third heat exchange coils 120 and 130 by a three-way valve 370, and the outlets of the second and third heat exchange coils 120 and 130 are discharge pipes 180. ) Is connected to the heating pipe 340 again.

The discharge pipe 180 is installed at the heating water inlet side of the heating pipe 340 from the heating load 500 to the heat exchanger 320 of the gas boiler 300, that is, above the three-way valve 350, that is, three-way valve It is preferable to be connected closer to the heat exchanger than 350.

If the discharge pipe 180 is connected to a place other than the above-described position, the heat exchanger 320 in which the hot water circulating the second and third heat exchange coils 120 and 130 and the gas boiler 300 obtains heat from the burner 310. Since it does not go through) will not achieve the object of the invention.

On the other hand, the three-way valve 350 connected to the inlet pipe 170 of the three-way valve is installed on the outside of the boiler so that the piping is easily connected.

On the other hand, one side of the heating pipe 340 is provided with a temperature sensor 630 to measure the temperature of the hot water circulating the gas boiler 300 is sent to the solar controller 510. The solar controller 510 operates the three-way valves 350, 360, 370 and the pump 460 by comparing the temperature measured by the temperature sensors 610, 620, 630, 640, 650 with a temperature set by a user. And it is connected to the main controller 520 and the electrical signal device also controls the operation of the gas boiler (300).

Figure 2 shows the individual circulation diagram of the hot water heating and heating heating according to an embodiment of the present invention, the temperature of the antifreeze measured by the temperature sensor 650 of the solar collector 200 is the temperature installed under the heat storage tank (100) When the temperature of the hot water measured by the sensor 640 is 7 ° C. or more, the pump 461 installed in the heat collecting pipe 220 is operated so that the deviation of the temperature measured by the temperature sensors 650 and 640 becomes 3 ° C. or less. The hot water is circulated until heat exchange is performed in the first heat exchange coil installed in the heat storage tank between the water stored in the heat storage tank 100 and the heat medium (antifreeze) heated in the solar collector 200. In this case, the temperature deviation may vary according to the user's setting.

On the other hand, if the temperature of the temperature sensor 610 is higher than the temperature set by the user, hot water heated in the burner 310 of the gas boiler 300 does not flow into the heat storage tank 200, the heating load 500 is installed outside Only cycles toward). In this case, the gas boiler 300 does not operate when it is not necessary to supply heating water to the heating load 500.

3 illustrates a heating water heating circulation diagram according to an embodiment of the present invention, wherein the hot water temperature (temperature measured by the temperature sensor 620) of the heat storage tank 100 received by the solar controller 510 is a heating load. When the temperature is higher than the temperature of the hot water circulating 500 and discharged (temperature measured by the temperature sensor 630), or when the temperature measured by the temperature sensor 620 is 50 ° C. or higher, it indicates the flow of hot water.

In this case, the solar controller 510 opens the three-way valve 350 installed on the heating pipe 340 through the electric signal to the inlet pipe 170 connected to the second heat exchange coil 120 of the heat storage tank 100. And open the three-way valve 370 installed in the inlet pipe 170 in the direction of the second heat exchange coil 120 and operate the pump 460 to obtain hot water deprived of heat from the heating load 500. While circulating the heat exchange coil 120 to absorb the heat stored in the heat storage tank 100 to be circulated back to the heat exchanger 320 of the gas boiler (300).

The circulation of the hot water is until the temperature measured by the temperature sensor 620 installed near the second heat exchange coil 120 is equal to the temperature measured by the temperature sensor 630 installed in the heating pipe 340, or a temperature sensor. Circulation is performed until the temperature of 620 is 45 ° C or less, and the circulation of hot water is smoothly performed by the pump 460 installed in the inlet pipe 170.

Therefore, in the heating water heating circulation, the heating water deprived of heat from the heating load 500 is preheated in the heat storage tank 100 heated by the solar collector 200 and then circulated to the heat exchanger 320 of the gas boiler 300. Reheating can increase the thermal efficiency of the gas boiler 300 and at the same time have the advantage of saving fuel.

4 to 6 illustrate the hot water heating circulation according to the temperature according to an embodiment of the present invention, the hot water temperature of the heat storage tank 100 received by the solar controller 510 (temperature measured by the temperature sensor 610). ) Is lower than the set temperature, it shows the circulation of hot water when it is not suitable for use in bathing or cooking (see Fig. 4).

In this case, the three-way valve 360 installed in the heating pipe 340 opens toward the inlet pipe 170, and the three-way valve 370 installed in the inlet pipe 170 opens only toward the third heat exchange coil 130. The high temperature hot water heated in the heat exchanger 320 of 300 is circulated only to the third heat exchange coil 130.

Therefore, after the heating water heated in the heat exchanger 320 of the gas boiler 300 passes the third heat exchange coil 130 through the three-way valve 360, the inlet pipe 170, and the three-way valve 370. Since it has a short circulation structure back to the heat exchanger 320, there is an advantage that can provide hot water to the user by heating the water stored above the heat storage tank 100 to a set temperature in a short time.

On the other hand, the gas boiler 300 is a case where the low water level sensor 160 installed on the heat storage tank 100 detects the lack of hot water in the heat storage tank 100 and the flow of direct water is not detected in the flow flow switch 141. If the hot water is not discharged to the outside through the hot water discharge pipe 150 is not operated.

However, in the case where the flow of the direct water is not detected in the flow rate switch 141, the temperature of the heat storage tank 100 is increased to the set temperature, and only after the temperature falls within the allowable range by natural heat radiation. Therefore, even when direct water does not flow through the flow rate switch 141, when the temperature inside the heat storage tank 100 is outside the allowable range, the gas boiler 300 is operated.

In addition, the antifreeze heated in the solar collector 200 and the hot water heat exchanged in the first heat exchange coil heat the hot water of the heat storage tank 100.

Therefore, as the temperature of the hot water heat-exchanged with the antifreeze heated in the solar collector 200 is stored and stored in the upper layer of the heat storage tank 100 due to the density difference, only the water used by the user is rapidly heated to the hot water, There is an advantage that can provide hot water to the user faster.

In addition, when the internal temperature of the heat storage tank measured by the temperature sensor 610 is not low as described above, it may be simply used through the hot water discharge pipe 150 (see FIG. 5).

In addition, one side of the direct water bypass pipe 152 having a mixing valve 153 is connected to one point of the hot water discharge pipe 150 outside the heat storage tank 100, and a direct inflow pipe connected to the other side of the direct water bypass pipe 152 ( When the mixing valve 153 is opened so that direct water flows through the opening 140, when the internal temperature of the heat storage tank measured by the temperature sensor 610 is overheated so that it is difficult for a user to directly use the mixing valve ( 153 is opened to allow the hot water passing through the hot water discharge pipe 150 discharged from the heat storage tank 100 and the cold water supplied from the direct water inflow pipe 140 to be lowered and supplied at an appropriate temperature. (See FIG. 6)

Reference numeral 530 is an indoor temperature controller for adjusting by setting the main controller 520.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

As described above, according to the solar boiler system of the present invention, since the gas boiler is used at the appropriate time while maximizing solar heat, a large capacity solar collector is not required, and the three-way valve according to the temperature sensor installed in the solar collector, the heat storage tank, and the gas boiler is used. According to the operation of the hot water circulation and heating circulation to maximize the energy saving effect, and

By using an antifreeze (a mixture of water and ethylene glycol) in the heat collecting pipe of the solar collector 200, it is possible to prevent freezing in winter,

The heat collecting pipe 220 connected to the solar heat collector 200 is configured to be directly heat-exchanged with the first heat exchange coil 110 installed in the heat storage tank 100 to form an antifreeze of the heat collecting pipe 220 and a heat storage medium of the heat storage tank 100. When the lower part of the heat storage tank is heated and the heat storage medium heated to the upper part of the heat storage tank due to the density difference is stored, the advantage that the stored hot water can be effectively and quickly used for hot water supply and heating,

In addition, the hot water supply heat exchanger for hot water heating is separately installed in the heat storage tank, and when the temperature of the water stored in the heat storage tank is low, the discharged water can be instantaneously heated by the gas boiler and provided to the user. It is a useful invention that can be made as short as possible to reduce the consumption of fuel is an invention that is expected to use greatly in the industry.

1 is a block diagram according to an embodiment of the present invention,

2 is a separate circulation diagram of hot water heating and heating heating according to an embodiment of the present invention,

3 is a heating water heating circulation diagram according to an embodiment of the present invention,

4 to 6 is a hot water heating circulation diagram according to the temperature according to an embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

(100): heat storage tank (110): first heat exchange coil

120: second heat exchange coil (130): third heat exchange coil

(140): direct inflow pipe (141): flow flow switch

(142): drain valve (150): hot water discharge pipe

(151): automatic valve (152): direct bypass tube

(153): mixing valve (160): low water level sensor

170: inlet pipe 180: discharge pipe

(200): Solar Collector (210): Air Vent

(220): heat collecting pipe (300): gas boiler

310: burner 320: heat exchanger

(330, 410, 412): pump 411: differential pressure pump

(340): Heating piping (350, 360, 370): Three way valve

(420): expansion tanks (430, 431): pressure gauge

(440, 441): Check valve (450, 451): Safety valve

(452): drain piping (463): filling piping

(470): Heating medium filling tank (480): Supply bypass

(500): heating load (510): control panel (for solar heat)

(520): Control panel (for gas boiler)

(610, 620, 630, 640, 650): Temperature sensor

Claims (9)

First, second, and third heat exchange coils 110, 120, and 130, a direct inflow pipe 140, and a hot water discharge pipe 150 are installed in upper and lower portions thereof, and the first, second, and third heat exchange coils are disposed outside. Temperature sensors 640, 620, and 610 are respectively installed and coupled to measure the ambient and upper temperatures 110, 120, and 130, and are automatically operated when the temperature sensors around the first, second, and third heat exchange coils are above a certain temperature. A heat storage tank 100 configured to be coupled to a valve 151, an overpressure safety valve 431 that operates when a predetermined pressure or more, and a drain pipe 452 installed to be discharged when they operate; Is connected to the first heat exchange coil 110 and the collection pipe 220, the expansion tank 420, overpressure safety valve 450, air vent 210, pressure gauge 430 temperature sensor 650 on one side Installed, the heat medium filling tank 470 for filling the heat medium of the heat collecting pipe 220, the differential pressure pump 411 and the check valve 441 provided in the pipe between the heat medium filling tank and the heat collecting pipe, the heat collecting pipe and the filling pipe A solar collector 200 composed of valves 460, 461, 462 installed on 463; A gas boiler having a heat exchanger 320 connected to the second and third heat exchange coils 120 and 130 and a heating pipe 340; And The second and third heat exchange coils 120 and 130 and the heat exchanger, the heating pipe 340 and the heating load 500 are connected to each other to change the flow path by the three-way valves 350, 360 and 370 to provide heating and hot water supply. Solar hot water supply, heating system in conjunction with a domestic boiler, characterized in that the heating circuit configured to enable the heating, hot water piping circuit and temperature sensor. The method of claim 1, Heating inlets of the second and third heat exchange coils 120 and 130 are connected via a three-way valve 370, and an inlet pipe 170 connected to the three-way valve 370 is used to heat the heat exchanger 320. The discharge pipe 180 connected to the outlet of the second and third heat exchange coils 120 and 130 is connected to the heating inlet of the heat exchanger 320, respectively, connected via three-way valves 350 and 360 installed at the import outlets. Solar hot water supply, heating system in conjunction with a household boiler, characterized in that connected. The method according to claim 1 or 2, The three-way valve 350 is installed on the outside of the boiler solar hot water supply, heating system in conjunction with the home boiler, characterized in that configured to be easily connected to the pipe. The method of claim 1 The heat collecting pipe 220 is configured to exchange heat with the heat storage medium in the first heat exchange coil installed inside the heat storage tank 100 using an antifreeze (a mixture of water and ethylene glycol) as a heat medium, and the heat storage medium due to the density difference of the heat storage medium. Solar hot water supply, heating system in conjunction with a domestic boiler, characterized in that configured to use effectively for hot water supply and heating using stratification. The method according to claim 1 or 2. Pumps 410, 412, and 330 are installed on the heat collecting pipe 220, the inlet pipe 170, and the heating pipe 340, respectively, and the solar controller 510 operates the pump by comparing output information from each sensor. Solar hot water supply, heating system in conjunction with the home boiler, characterized in that configured to control. The method of claim 1, When the temperature of the hot water supplied from the heat storage tank is high by connecting the direct water inflow pipe 140 and the hot water discharge pipe 150 from the heat storage tank to the direct water bypass pipe 152 having the mixing valve 153. Solar hot water supply, heating system in conjunction with the domestic boiler, characterized in that the hot water and direct water mixing by mixing. The method of claim 1, Filling pipe 463 connected to the heat collecting pipe so as to easily remove the air in the heat collecting pipe 220 when filling the antifreeze and installed in the upper space of the heat medium filling tank 470, and the valve 462 and the filling installed in the filling pipe Solar hot water supply, heating system in conjunction with the home boiler, characterized in that composed of valves (460, 461) installed on both sides of the heat collecting pipe 220 around the pipe (463). The method of claim 1, In order to make it more convenient when the antifreeze is mixed at an appropriate ratio to fill the heat collecting pipe 220, the water supply pipe 480 is connected to the heat medium filling tank 470 so as to supplement the water supply if necessary. Solar hot water supply and heating system in conjunction with boiler. The method of claim 1, In the event that the heat storage tank 100 is overheated, in order to prepare for safety, the automatic discharge valve 451 and the pipe 160 may be configured to discharge a part of the superheated water, and a heat collecting circulation pump may be preferentially used to prevent overheating of the heat storage tank. Solar water supply, heating system in conjunction with a household boiler, characterized in that configured to stop 410.