KR20230151616A - Heating and hot water supply system using direct solar hybrid PVT - Google Patents

Abstract

The present invention relates to a PVT that provides hot water using solar radiant energy and heat generation from solar cells; A direct water line that supplies water from the outside; A heat circulation supply unit that circulates and supplies hot water from the PVT as heat; A heat storage tank that stores heat through heat exchange with the fruit circulated and supplied by the fruit circulation supply unit; A heating water circulation line that circulates and supplies water heated by the heat of the heat storage tank to the heating load as heating water; Auxiliary heaters that provide heat to provide heating and hot water; A hot water supply line that heats the water supplied from the direct water line by the heat storage tank or the auxiliary heater and supplies it as hot water; and an auxiliary heating water circulation line that supplies heating water heated by the auxiliary heater to the heating load. It relates to a heating and hot water supply system using a direct solar hybrid PVT. According to the present invention, it is possible to produce hot water using electricity and solar heat in a solar area of a single structure capable of using sunlight and solar heat, and the front heat collected using the greenhouse effect along with the sealed structure of the solar cell is used as a heat source. By using it, it is possible to produce heating water and hot water with excellent thermal efficiency, thereby providing economical heating and hot water. It is also possible to produce high temperature water above 60℃, which has excellent scalability for domestic as well as industrial use. .

Description

Heating and hot water supply system using direct solar hybrid PVT}

The present invention relates to a heating and hot water supply system using direct solar hybrid PVT, and more specifically, to enable hot water production using electricity and solar heat in a solar area of a single structure capable of using sunlight and solar heat, and to produce hot water using solar power. Using direct solar hybrid PVT, which enables the production of heating water and hot water with excellent thermal efficiency by using the collected front heat using the greenhouse effect along with the sealed structure of the cell as a heat source, enabling economical heating and hot water provision. It concerns heating and hot water supply systems.

In general, boilers for providing heating and hot water are necessities of life that keep our residential culture comfortable not only in the winter but also in the summer. They are installed in single-family homes or apartments and, depending on the fuel used, are oil boilers or gas boilers. It is divided into boilers and electric boilers, and is being developed and used in various forms to suit the installation purpose and square footage.

However, such boilers use oil or gas as fuel, resulting in high fuel costs, making economical operation difficult, and causing air pollution due to combustion gas emissions.

In order to solve these problems, heating and hot water supply systems using solar energy have recently been developed and used. As a prior art for this, Korean Patent Publication No. 10-2014-0137492 "Hot water heating circulation and combustion heat by solar heating A “circulation device with hot water heating circulation by heating” has been proposed.

This prior art is a circulation device that is connected to an ondol pipe provided in an ondol installed in an indoor space and has a hot water heating circulation by solar heating and a hot water heating circulation by combustion heat heating to heat the indoor space, with a solar heat collecting plate at the top. is provided, and a first accommodating space for receiving water is provided at the lower part of the solar heat collecting plate, and the first accommodating space and the ondol pipe are connected to a natural circulation path by a first circulation pipe, so that heat is collected from the solar collecting plate. a solar heating unit provided so that water in the first accommodation space, naturally heated by heat, is provided to the ondol pipe along the natural circulation path to heat the indoor space; Combustion heat heating is connected to the ondol pipe through a forced circulation path by a second circulation pipe, and water forcibly heated by heat generated as fuel is burned is provided to the ondol pipe along the forced circulation path to heat the indoor space. wealth; and connecting the first circulation pipe and the second circulation pipe to prevent water circulating along the first circulation pipe into the natural circulation path from flowing into the second circulation pipe when the solar heating unit is operating. When the combustion heat heating unit operates, a four-prong hinge valve is operated to prevent water circulating in the forced circulation path along the second circulation piping unit from flowing into the first circulation piping unit; including, when the solar heating unit is exposed to solar heat from the solar heating unit. The indoor space is heated by natural circulation of heated water, and after sunset, the indoor space is heated by forced circulation of water heated by combustion heat in the combustion heat heating unit.

However, such prior technology has limitations in increasing the efficiency of solar collectors, etc., thereby increasing dependence on combustion heat heating units, etc., which makes economical and environmentally friendly operation difficult.

In order to solve the problems of the prior art as described above, the present invention enables the production of hot water using electricity and solar heat in a solar area of a single structure capable of using sunlight and solar heat, and with the sealed structure of the solar cell, By using the front heat collected using the greenhouse effect as a heat source, it is possible to produce heating water and hot water with excellent thermal efficiency, thereby providing economical heating and hot water. It is also possible to produce high temperature water of over 60℃, making it suitable for domestic use. Of course, the purpose is to ensure excellent scalability for industrial use.

Other objects of the present invention may be easily understood through the description of the examples below.

In order to achieve the above-mentioned object, according to one aspect of the present invention, PVT provides hot water using solar radiant energy and heat generation from solar cells; A direct water line that supplies water from the outside; A heat circulation supply unit that circulates and supplies hot water from the PVT as heat; A heat storage tank that stores heat through heat exchange with the fruit circulated and supplied by the fruit circulation supply unit; A heating water circulation line that circulates and supplies water heated by the heat of the heat storage tank to the heating load as heating water; Auxiliary heaters that provide heat to provide heating and hot water; A hot water supply line that heats the water supplied from the direct water line by the heat storage tank or the auxiliary heater and supplies it as hot water; and an auxiliary heating water circulation line that supplies heating water heated by the auxiliary heater to the heating load. A heating and hot water supply system using direct solar hybrid PVT is provided, including a.

The fruit circulation supply unit includes a fruit circulation line that is connected to both ends of the PVT and circulates and supplies the fruit to a first heat exchanger installed in the heat storage tank by pumping the heat pump; A fruit supply line connected to supply water from the direct water line to the fruit circulation line; a first control valve installed to open and close the supply of water to the fruit supply line; and first and second check valves, which are respectively installed at the front and rear ends of the first control valve on the fruit supply line and allow one-way flow of water from the direct water line to the fruit circulation line.

The heating water circulation line is equipped with a third check valve that allows one-way flow of heating water and a heating water pump that provides pumping force for movement of heating water, and is connected to the auxiliary heating water circulation line. A heating water valve corresponding to a three-way valve is installed to select one of the heat storage tanks and the auxiliary heater, and the auxiliary heating water circulation line is a fourth check valve that allows one-way flow of heating water and heating water. Boiler pumps that provide pumping force for movement may be respectively installed, a bypass line for bypassing the heating load may be connected, and a second control valve may be installed in the bypass line.

The PVT includes a casing made of light-transmitting PC material and provided on the inside so that a mounting space is open at both ends along the longitudinal direction; An insulating material installed on the floor of the mounting space; A base member installed on the insulating material and having a plurality of flow paths arranged in parallel along the length so that both ends are open, and made of a thermally conductive material; Solar cells attached to the base member; And an inner cap mounted on both ends of the casing for connection to the flow path, a middle cap mounted on each of the inner caps and having a fitting part for connecting to the flow path while blocking the flow path, and an outer side of the middle cap. It may include a triple fitting cap made of an outer cap that is wrapped so that the fitting part is pulled out.

The inner cap is provided with an insertion portion that is inserted into one end of the inner side of the casing, a sealing protrusion is provided along the outer peripheral surface of the insertion portion to seal one end of the inner side of the casing, and a connector is provided to connect to each of the flow paths, A first outlet is provided so that each of the electrodes of the solar cell is pulled out, an insertion space with an edge is provided on the outer surface, and a second fastener is provided to match each of the first fasteners provided at the end of the base member. is formed, and the middle cap is provided with a fitting part that is inserted to be sealed within the insertion space, and is provided with a second outlet to pull out the electrode by being connected to the first outlet, and is in close contact with the connector to connect the connector. Blocked, a connecting tube connected to the connector protrudes on the outer surface, and a plurality of fastening bosses are formed, matching each of the second fasteners, so that they are fastened to the first and second fasteners by bolts. A third fastener is provided as much as possible, wherein the fitting part includes a draw-out tube connected to the connecting tube via an elbow tube, which is wrapped by an insulating tube and protrudes laterally, and the outer cap includes the fitting part, the It is inserted into one end of the casing by surrounding the middle cap and the inner cap, and a draw-out groove is provided on the side so that the draw-out tube is drawn outward. A fourth fastener may be provided for fastening to the fastening boss with a bolt. .

The inner cap is provided with a close contact protrusion along the edge of the connector to seal the edge of the flow path, and has a connecting protrusion protruding along the edge of the connector inside the insertion space, and is provided between the first outlet. A through hole is provided, and the middle cap is provided with a fitting blocking groove that simultaneously blocks a plurality of the connecting holes by inserting the plurality of connecting protrusions arranged in a row inward, and the connecting protrusion is provided on the inside of the fitting blocking groove. A support piece for supporting the connecting protrusions to be spaced apart from the bottom surface of the fitting blocking groove is provided to be positioned between the connecting protrusions by limiting the insertion depth of the protrusions, and the plurality of connectors fitted in the fitting blocking grooves are connected to each other. A connection groove is provided for each support piece, a through tube is provided to be connected to the through hole, and the fitting portion is connected to each of the pair of connection tubes, so that each of the fitting parts moves in opposite directions from the outer surface of the middle cap. It is provided to extend, and the outer cap may have draw grooves provided on both sides so that the fitting part is drawn out on both sides, and a discharge slit for drainage may be provided at the bottom.

According to the heating and hot water supply system using direct solar hybrid PVT according to the present invention, it is possible to produce hot water using electricity and solar heat in a solar area of a single structure capable of using sunlight and solar heat, and the sealed structure of the solar cell By using the front heat collected using the greenhouse effect as a heat source, it is possible to produce heating and hot water with excellent thermal efficiency, thereby providing economical heating and hot water. It is also possible to produce high temperature water of 60℃ or higher. It has the effect of providing excellent scalability for home as well as industrial use.

Figure 1 is a configuration diagram showing a heating and hot water supply system using direct solar hybrid PVT according to an embodiment of the present invention.
Figure 2 is a perspective view showing a PVT in a heating and hot water supply system using a direct solar hybrid PVT according to an embodiment of the present invention.
Figure 3 is an exploded perspective view showing a PVT in a heating and hot water supply system using a direct solar hybrid PVT according to an embodiment of the present invention.
Figure 4 is a partial perspective view showing a base member in a PVT in a heating and hot water supply system using a direct solar hybrid PVT according to an embodiment of the present invention.
Figure 5 is an exploded perspective view showing a casing and a triple sealing cap in a PVT in a heating and hot water supply system using a direct solar hybrid PVT according to an embodiment of the present invention.
Figure 6 is an exploded perspective view showing the casing and the triple sealing cap in the PVT from different directions in a heating and hot water supply system using a direct solar hybrid PVT according to an embodiment of the present invention.
Figure 7 is an exploded perspective view showing a triple sealing cap of PVT in a heating and hot water supply system using direct solar hybrid PVT according to an embodiment of the present invention.
Figure 8 is an exploded perspective view showing the triple sealing cap of the PVT in a heating and hot water supply system using a direct solar hybrid PVT according to an embodiment of the present invention from another direction.
Figure 9 is a cross-sectional view showing a PVT in a heating and hot water supply system using a direct solar hybrid PVT according to an embodiment of the present invention.
Figure 10 is a perspective view showing the middle cap of the PVT in a heating and hot water supply system using a direct solar hybrid PVT according to an embodiment of the present invention.

Since the present invention can be subject to various changes and can have various embodiments, specific embodiments will be illustrated in the drawings and described in detail. However, this is not intended to limit the present invention to specific embodiments, but should be understood to include all changes, equivalents, and substitutes included in the technical idea and scope of the present invention, and may be modified into various other forms. The scope of the present invention is not limited to the following examples.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the attached drawings, and identical or corresponding components will be assigned the same reference numerals regardless of reference numerals, and redundant description thereof will be omitted.

Figure 1 is a configuration diagram showing a heating and hot water supply system using a direct solar hybrid PVT according to an embodiment of the present invention, and Figure 2 is a diagram showing a heating and hot water supply system using a direct solar hybrid PVT according to an embodiment of the present invention. It is a perspective view showing a PVT in the system, and Figure 3 is an exploded perspective view showing the PVT in a heating and hot water supply system using a direct solar hybrid PVT according to an embodiment of the present invention.

Referring to Figures 1 to 3, the heating and hot water supply system 100 using a direct solar hybrid PVT according to an embodiment of the present invention includes a PVT 100, a direct water line 210, a heat circulation supply unit 220, It may include a heat storage tank 230, a heating water circulation line 240, an auxiliary heater 260, a hot water supply line 270, and an auxiliary heating water circulation line 280.

The PVT 100 provides hot water using solar radiation energy and heat generation from the solar cell 140, and its specific structure and operation will be described later with reference to the drawings.

The direct water line 210 supplies water needed for heating and hot water from the outside.

The heat circulation supply unit 220 circulates and supplies the hot water of the PVT (100) as heat. The heat circulation supply unit 220 is connected to both ends of the PVT 100, for example, the withdrawal tube 182, and pumps the fruit into the first heat exchanger 231 installed in the heat storage tank 230 by pumping the heat pump 228. Opening and closing the fruit circulation line 221 for circulating supply, the fruit supply line 222 connected to supply water from the direct water line 210 to the fruit circulation line 221, and the supply of water to the fruit supply line 222. A first control valve 223 is installed so as to be installed, and is installed at the front and rear ends of the first control valve 223 on the fruit supply line 222, respectively, and allows water to flow in one direction from the direct water line 210 to the fruit circulation line 221. It may include first and second check valves 224 and 225 that allow flow. Here, the first control valve 223 may be made of a solenoid valve controlled by a control unit 290, which will be described later.

The fruit circulation supply unit 220 may be provided with a first water level control water tank 226 on the fruit circulation line 221 to supply antifreeze. The first water level control tank 226 allows the injection of antifreeze, and the ball top 227 allows the water level to be adjusted through the direct water line 210. The operation signal of the ball top 227 is sent to the control unit 290. can be received to control water supply from the direct water line 210.

The heat storage tank 230 stores heat through heat exchange with the fruit circulated and supplied by the fruit circulation supply unit 220. The heat storage tank 230 includes a first heat exchanger 231 to which a fruit circulation line 221 is connected for heat exchange with the fruit, and a second heat exchanger 232 to which a hot water supply line 270 is connected to supply hot water. may be installed on the inside, respectively, and a first temperature sensor 233 for measuring the temperature on the side of the first heat exchanger 231 and a temperature measurement in the heat storage tank 230 that is spaced apart from the first or second heat exchanger 231 and 232. A second temperature sensor 234 may be installed inside. Here, the first temperature sensor 233 is for measuring the temperature of the fruit side, and the second temperature sensor 234 is for measuring the temperature of the water in the heat storage tank 230. By transmitting the measured temperature of each of the first and second temperature sensors (233,234) as a detection signal to the control unit 290, the control unit 290 determines the current fruit temperature through the measured temperature of each of the first and second temperature sensors (233,234). Controls necessary for hot water supply and heating can be performed based on the temperature of and the temperature of the hot water in the heat storage tank 230. The specific controls will be described later.

The heating water circulation line 240 circulates and supplies water heated by the heat of the heat storage tank 230 to the heating load 10 as heating water. Here, the heating load 10 may be a heating pipe installed on the floor, etc., or various heating means using heating water, including a heating radiator, may be used.

The heating water circulation line 240 may be equipped with a third check valve 241 that allows one-way flow of heating water and a heating water pump 242 that provides pumping force for movement of heating water, and auxiliary heating A heating water valve 234 corresponding to a three-way valve may be installed at the portion where the water circulation line 280 is connected to select the use of one of the heat storage tank 230 and the auxiliary heater 260 as a heat source. Here, the heating water valve 234 may be made of a three-way solenoid valve controlled by a control unit 290, which will be described later.

To replenish water in the heating water circulation line 240, a water supply unit 250 may be provided. The water supply unit 250 is installed in the water supply line 251 for supplying water from the direct water line 210 to the heating water circulation line 240, and the water supply line 251 to supply water from the direct water line 210. It may include a second water level control water tank 252 that is supplied to the heating water circulation line 240. Here, a ball tower 253 may be installed in the second water level control water tank 252, and the ball tower 253 blocks the supply of water through the direct water line 210 when the second water level control water tank 252 is above the standard water level. By doing so, water can be supplied to the heating water circulation line 240 while the second water level control water tank 252 is below the standard water level.

The auxiliary heater 260 provides heat for heating and hot water. For this purpose, a heater using electrical energy may be provided, or a burner using combustion heat by using gas or oil as fuel may be provided. . The auxiliary heater 260 is used as an auxiliary alternative to the PVT 100 to provide heating or hot water, and can receive water needed for hot water and heating water through the direct water line 210.

The hot water supply line 270 heats the water supplied from the direct water line 210 by the heat storage tank 230 or the auxiliary heater 260 and supplies it as hot water. The hot water supply line 270 may be equipped with a hot water supply valve 271 to selectively supply hot water heated through the second heat exchanger 232 of the heat storage tank 230 or hot water heated from the auxiliary heater 260. there is. The hot water supply valve 271 may be a three-way control valve and may be controlled by the control unit 290.

The auxiliary heating water circulation line 280 supplies heating water heated by the auxiliary heater 260 to the heating load 10. The auxiliary heating water circulation line 280 may be equipped with a fourth check valve 281 that allows one-way flow of heating water and a boiler pump 282 that provides pumping force for movement of heating water, and the heating load A bypass line 283 may be connected to bypass (10), and a second control valve 284 may be installed on the bypass line 283. Here, the second control valve 284 may be made of a solenoid valve controlled by a control unit 290, which will be described later.

For example, as in this embodiment, the control unit 290 operates the heat storage operation of the heat storage unit 220 for a second set time per hour, for example, 5 minutes, within the first set time, for example, 9:00 a.m. to 6:00 p.m. (228) is driven, and when the first water level control tank (226) due to lack of fruit is below the standard water level, it is sensed through the ball top (227) and the fruit circulation line (221) is opened by opening the first control valve (223). Water supply can be provided. In addition, when the temperature value on the heat storage side, that is, the temperature measurement value of the first temperature sensor 233, is higher than the temperature value inside the heat storage tank 230, that is, the temperature measurement value of the second temperature sensor 234, When the standard temperature is 30℃ or higher in the summer or 20℃ or higher in the winter, the heat storage operation can be controlled to occur for 2 minutes every 30 minutes within the first set time, for example, from 9 a.m. to 6 p.m. . In addition, the control unit 290 operates the heating water valve 243 to enable heating and hot water to be provided using the heat storage tank 230 instead of the auxiliary heater 260 when the temperature of the heat storage tank 230 is maintained above 30 to 35°C. ) and the hot water supply valve 271, etc. can be controlled.

Figure 2 is a perspective view showing a PVT in a heating and hot water supply system using a direct solar hybrid PVT according to an embodiment of the present invention, and Figure 3 is a heating and hot water supply system using a direct solar hybrid PVT according to an embodiment of the present invention. This is an exploded perspective view showing PVT in the supply system.

Referring to Figures 2 and 3, the PVT 100 may include a casing 110, an insulating material 120, a base member 130, a solar cell 140, and a triple sealing cap 150.

The casing 110 is made of a light-transmissive PC material, and a mounting space 111 may be provided on the inside along the longitudinal direction so that both ends are open. The casing 110 is formed to have a convex curved upper surface, so that drainage can be smoothed during rain or snowfall through the curved surface, while minimizing the adhesion of contaminants. The casing 110 has an integrated structure excluding both ends, so that it not only has excellent airtightness but also has excellent assembly properties.

The insulation material 120 is installed on the bottom of the mounting space 111, and may be in the form of a pad, made of various materials to block heat, and fixed to the bottom of the mounting space 111 using an adhesive. It can be.

Referring to Figures 3 and 4, the base member 130 is installed on the insulating material 120, and a plurality of flow paths 131 are formed in parallel along the longitudinal direction so that both ends are open, and are made of a thermally conductive material, such as, It is made of aluminum, copper, their metal alloys, or various metal materials. The base member 130 may be formed so that two pairs of channels 131 (see FIG. 4) penetrate the inside along the longitudinal direction, for example, as in this embodiment. The base member 130 uses solar radiant energy or heat generation from the solar cell 140 to heat the water passing through the flow path 131.

The base member 130 may be fixed by silicone applied to the inside of the casing 110, and a receiving groove 133 may be formed to accommodate the silicone to increase the adhesive area with the silicone. Additionally, the base member 130 may be formed so that the air gap 134 is open downward so that an air gap formed between the base member 130 and the insulating material 120 forms an insulating layer.

3 to 5 and 9, the solar cell 140 is attached to the base member 130, and uses the photovoltaic effect to convert sunlight into electrical energy to generate power. The electrode 141 for output of generated electricity is provided to be drawn outward. The solar cell 140 may be fixed to the base member 130 using a conductive adhesive. Here, the conductive adhesive is 20 to 25% by weight of diglycidyl ester epoxide resin, 5 to 50% by weight of cycloaliphatic epoxide resin, and meta-phenylenediamine. It may be manufactured containing 3 to 3.5% by weight, 1.5 to 2.5% by weight of diaminodiphenyl methane, and 25 to 70% by weight of Al ₂ O ₃ . Therefore, the solar cell 140 has excellent insulation resistance when bonded to the base member 130 due to the use of the above-described conductive adhesive having an insulation resistance of 100MΩ or more, a withstand voltage of 4,500v/1mA or more, and a thermal conductivity of 15w/mk or more. It is possible to ensure withstand voltage and thermal conductivity characteristics.

Referring to Figures 4 to 10, the triple fitting cap 150 is mounted on each of the inner caps 160 and the inner cap 160, which are mounted on both ends of the casing 110 for connection to the flow path 131. A middle cap 170 on which a fitting part 180 for connecting to the flow path 131 is mounted while blocking the flow path 131, and an outer wrapped around the outside of the middle cap 170 so that the fitting part 180 is pulled out. It consists of a cap (190).

The inner cap 160 is provided with an insertion portion 161 that is fitted inside one end of the casing 110, and has a sealing protrusion 162 along the outer peripheral surface of the insertion portion 161 to be sealed to the inner surface of one end of the casing 110. is provided, a connector 163 is provided to connect to each of the flow paths 131, a first outlet 166 is provided so that each of the electrodes 141 of the solar cell 140 is drawn out, and an edge is formed on the outer surface. An insertion space 169 is provided, and second fasteners 168 are formed to match each of the first fasteners 132 provided at the ends of the base member 130.

The inner cap 160 is provided with a close contact protrusion 164 along the edge of the connector 163 to seal the edge of the flow path 131, so that the flow path 131 and the connector 163 are airtightly connected to each other, and the insertion space ( A connecting protrusion 165 is provided to protrude along the edge of the connector 163 on the inside of 169), so that the connecting protrusion 165 extends from the connector 163, and a through hole 167 is formed between the first outlet 166. ) is prepared.

The middle cap 170 is provided with a fitting portion 171 that is inserted to be sealed within the insertion space 131, and is connected to the first outlet 166, so that the second outlet 174 is provided to extract the electrode 141. It is in close contact with the connector 163 and blocks the connector 163, and a connecting tube 173 connected to the connector 163 is protruding on the outer surface, and a plurality of fastening bosses 177 are formed. By matching each of the two fasteners 168, a third fastener 176 is provided to be fastened to the first and second fasteners 132 and 168 by bolts (not shown).

The middle cap 170 is provided with a blocking groove 172 that blocks the plurality of connectors 165 at the same time by inserting a plurality of connecting protrusions 165 arranged in a row inward. A support piece 172a (see FIG. 10) is provided between the connecting protrusions 165 on the inside to limit the insertion depth of the connecting protrusions 165 so that the connecting protrusions 165 are spaced apart from the bottom surface of the blocking groove 172. It is provided to be positioned, and a connection groove (172b; see FIG. 11) is provided for each support piece (172a) so that the plurality of connectors (163) fitted in the fitting and blocking groove (172) are connected to each other, and are connected to the through hole (167). A through tube 175 is provided. Here, the through tube 175, together with the through hole 167, provides a passage for entry and exit into the solar cell 140, which allows it to be utilized for various purposes, including maintenance and management. In addition, the base member 130 is formed with a plurality of passages 131 in parallel in order to increase the supply efficiency of the fruit. In this case, the minimum number of fitting parts 180 is used to distribute the fruit passing through each passage 131. In order to collect and circulate, the blocking groove 172 integrates the plurality of passages 131 with each other, and for this purpose, the connecting protrusion 165 corresponding to the entrance and exit of the passage 131 is supported on the support piece 172a. By doing so, while securing a passage corresponding to the gap formed between the bottom surface of the insertion blocking groove 172, these connectors 163 pass through the support piece 172a and are connected to each other by the connecting groove 172b. It can be done as much as possible.

The fitting portion 180 protrudes laterally because the draw-out tube 182, which is connected to the connection tube 173 via the elbow tube 181, is surrounded by the insulating tube 183. In addition, the fitting portion 180 is connected to each of the pair of connecting tubes 173, so that each of the fitting portions 180 extends in opposite directions from the outer surface of the middle cap 170.

The outer cap 190 surrounds the fitting portion 180, the middle cap 170, and the inner cap 160 and is inserted into one end of the casing 110, and has a draw groove 192 so that the draw tube 182 is drawn outward. A fourth fastener 193 is provided on this side to be fastened to the fastening boss 177 with a bolt (not shown).

The outer cap 190 may be provided with withdrawal grooves 192 on both sides so that the fitting portion 180 is pulled out from both sides, and a discharge slit 194 for drainage is provided at the bottom, thereby creating a gap or a fitting portion ( 180), moisture flowing into the interior can be easily discharged downward.

According to the heating and hot water supply system using direct solar hybrid PVT according to the present invention, hot water production using electricity and solar heat is possible in a solar area of a single structure capable of using sunlight and solar heat.

In addition, according to the present invention, by using the front heat collected using the greenhouse effect along with the sealed structure of the solar cell as a heat source, it is possible to produce heating water and hot water with excellent thermal efficiency, thereby providing economical heating and hot water. It is capable of producing high-temperature water above 60℃, providing excellent scalability for domestic as well as industrial use.

Although the present invention has been described with reference to the accompanying drawings, it goes without saying that various modifications and variations can be made without departing from the technical spirit of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the claims described below as well as equivalents to these claims.

10: Heating load 100: PVT
110: Casing 111: Mounting space
120: insulation material 130: base member
131: Euro 132: 1st fastener
133: receiving groove 134: void groove
140: solar cell 141: electrode
150: Triple sealing cap 160: Inner cap
161: insertion portion 162: sealing protrusion
163: Connector 164: Close protrusion
165: Connecting protrusion 166: First outlet
167: Through hole 168: Second fastener
169: Insertion space 170: Middle cap
171: Fitting portion 172: Fitting blocking groove
172a: support piece 172b: connection groove
173: Connecting tube 174: Second outlet
175: Penetrating tube 176: Third fastener
177: fastening boss 180: fitting part
181: Elbow tube 182: Draw-out tube
183: Insulating tube 190: Outer cap
191: insertion space 192: withdrawal groove
193: Fourth fastener 194: Discharge slit
210: Direct water line 220: Fruit circulation supply unit
221: Fruit circulation line 222: Fruit supply line
223: first control valve 224: first check valve
225: 2nd check valve 226: 1st water level control tank
227: Ball top 228: Fruit pump
230: heat storage tank 231: first heat exchanger
232: second heat exchanger 233: first temperature sensor
234: second temperature sensor 240: heating water circulation line
241: third check valve 242: heating water pump
243: Heating water valve 250: Water supply unit
251: Water supply line 252: Second water level control tank
253: Ball top 260: Auxiliary heater
270: hot water supply line 271: hot water supply valve
280: Auxiliary heating water circulation line 281: Fourth check valve
282: boiler pump 283: bypass line
284: second control valve 290: control unit

Claims (6)

PVT, which provides hot water using solar radiation energy and heat generation from solar cells;
A direct water line that supplies water from the outside;
A heat circulation supply unit that circulates and supplies hot water from the PVT as heat;
A heat storage tank that stores heat through heat exchange with the fruit circulated and supplied by the fruit circulation supply unit;
A heating water circulation line that circulates and supplies water heated by the heat of the heat storage tank to the heating load as heating water;
Auxiliary heaters that provide heat to provide heating and hot water;
A hot water supply line that heats the water supplied from the direct water line by the heat storage tank or the auxiliary heater and supplies it as hot water; and
an auxiliary heating water circulation line that supplies heating water heated by the auxiliary heater to the heating load;
Heating and hot water supply system using direct solar hybrid PVT, including. In claim 1,
The fruit circulation supply unit,
a fruit circulation line connected to both ends of the PVT and circulating and supplying fruit to a first heat exchanger installed in the heat storage tank by pumping the heat pump;
A fruit supply line connected to supply water from the direct water line to the fruit circulation line;
a first control valve installed to open and close the supply of water to the fruit supply line; and
First and second check valves respectively installed at front and rear ends of the first control valve on the fruit supply line and allowing one-way flow of water from the direct water line to the fruit circulation line;
Heating and hot water supply system using direct solar hybrid PVT, including. In claim 1,
The heating water circulation line is,
A third check valve that allows one-way flow of heating water and a heating water pump that provides pumping force for movement of heating water are installed, and a heating valve corresponding to a three-way valve is installed at the portion where the auxiliary heating water circulation line is connected. A water valve is installed to select one of the heat storage tank and the auxiliary heater,
The auxiliary heating water circulation line is,
A fourth check valve allowing one-way flow of heating water and a boiler pump providing pumping force for movement of heating water are each installed, a bypass line for bypassing the heating load is connected, and the bypass line A heating and hot water supply system using direct solar hybrid PVT, in which a second control valve is installed. In claim 1,
The PVT is,
A casing made of light-transmissive PC material and provided on the inside so that the mounting space is open at both ends along the longitudinal direction;
An insulating material installed on the floor of the mounting space;
A base member installed on the insulating material and having a plurality of flow paths arranged in parallel along the length so that both ends are open, and made of a thermally conductive material;
Solar cells attached to the base member; and
An inner cap mounted on both ends of the casing for connection to the flow path, a middle cap mounted on each of the inner caps and equipped with a fitting part for connecting to the flow path while blocking the flow path, and on the outside of the middle cap. A triple fitting cap made of an outer cap wrapped so that the fitting portion is pulled out;
Heating and hot water supply system using direct solar hybrid PVT, including. In claim 4,
The inner cap is,
An insertion part is provided to fit inside one end of the casing, a sealing protrusion is provided along the outer peripheral surface of the insertion part to seal one end of the inner surface of the casing, a connector is provided to be connected to each of the flow paths, and the electrode of the solar cell is provided. A first outlet is provided so that each can be pulled out, an insertion space with an edge as a border is provided on the outer surface, and a second fastener is formed to match each of the first fasteners provided at the end of the base member,
The middle cap is,
A fitting part is provided to be inserted to be sealed within the insertion space, a second outlet is provided to draw out the electrode by being connected to the first outlet, it is in close contact with the connector to block the connector, and an outer surface is attached to the connector. The connected connecting tube is formed to protrude, and a plurality of fastening bosses are formed, and by matching each of the second fasteners, a third fastener is provided to be fastened to the first and second fasteners by bolts,
The fitting part,
A draw-out tube connected to the connection tube via an elbow tube is surrounded by a heat-insulating tube and protrudes laterally,
The outer cap is,
A fourth fastener is inserted into one end of the casing by surrounding the fitting part, the middle cap, and the inner cap, and has a draw groove provided on the side so that the draw tube is drawn outward, and is fastened to the fastening boss with a bolt. A heating and hot water supply system using direct solar hybrid PVT is provided. In claim 5,
The inner cap is,
A close contact protrusion is provided along an edge of the connector to seal the edge of the flow path, a connecting protrusion is provided to protrude along an edge of the connector inside the insertion space, and a through hole is provided between the first outlets. ,
The middle cap is,
A plurality of connecting protrusions arranged in a row are fitted inward to provide a fitting blocking groove that simultaneously blocks the plurality of connectors, and the connecting protrusion is provided by limiting the insertion depth of the connecting protrusion inside the fitting blocking groove. A support piece for supporting the fitting and blocking groove to be spaced apart from the bottom surface is provided to be positioned between the connection protrusions, and a connection groove is provided for each support piece so that a plurality of the connectors fitted in the fitting and blocking groove are connected to each other, and the penetrating A through tube is provided to connect to the sphere,
The fitting part,
By being connected to each of the pair of connecting tubes, each is provided to extend in opposite directions from the outer surface of the middle cap,
The outer cap is,
A heating and hot water supply system using direct solar hybrid PVT, wherein the drawing grooves are provided on both sides so that the fitting parts are drawn out on both sides, and a discharge slit for drainage is provided at the bottom.

Images