KR101123215B1 - Heat storage apparatus of solar energy - Google Patents

Abstract

The present invention relates to a solar energy heat storage device, and more particularly, it is composed of a simple structure to significantly lower production costs and maintenance costs, such as commercialization, global warming by using heating and hot water using solar energy And it can reduce the air pollution, and by using the heating water and hot water separately to prevent the temperature decrease of the heating water when using the hot water, and relates to a solar energy heat storage device to enable the use of antifreeze in the heating water.

According to the present invention, there is provided a solar energy heat storage device comprising: a case having an open upper surface; A glass cover covering an upper surface of the case; A light collecting unit including a plurality of lenses for refracting and condensing sunlight incident through the glass cover; And a plurality of heat storage pipes containing metal pipes or metal strings and heat storage material, arranged in a case and accumulating by heat condensing parts. It provides a solar energy storage device comprising a.

Solar energy, heat storage device, case, glass cover, condenser, heat storage unit, reflector, hot water heating device, power generation device

Description

Solar energy heat storage device {HEAT STORAGE APPARATUS OF SOLAR ENERGY}

The present invention relates to a solar energy heat storage device, and more particularly, it is composed of a simple structure to significantly lower production costs and maintenance costs, such as commercialization, global warming by using heating and hot water using solar energy And it can reduce the air pollution, and by using the heating water and hot water separately to prevent the temperature decrease of the heating water when using the hot water, and relates to a solar energy heat storage device to enable the use of antifreeze in the heating water.

The development and use of alternative energy is actively progressed as a way to solve the extreme weather caused by global warming, air pollution and environmental destruction caused by the large use of fossil fuels such as oil and gas and the damage of natural disasters. It is becoming.

In particular, photovoltaic energy using the sun, which is pollution-free and economical, has been spotlighted as an alternative energy.

Therefore, conventionally, various solar energy collectors have been introduced that can sense the movement of the sun and track the movement of the sun with a driving device such as an electric motor to increase the absorption of solar energy.

However, such a solar energy collection device has a high production and maintenance cost, the high frequency of failure due to the economic burden and complicated installation structure due to the electricity consumption for the operation of the drive device.

The present invention is to solve and solve the problems caused by the conventional solar energy heat storage device as described above,

An object of the present invention is to provide a photovoltaic energy storage device that is easy to commercialize by having a simple structure and significantly lowering the production cost and maintenance costs.

Another object of the present invention is to provide a solar energy heat storage device that can reduce global warming and air pollution by using heating and hot water using solar energy.

Still another object of the present invention is to provide a solar energy storage device that prevents the temperature drop of the heating water when using hot water and uses antifreeze in the heating water by separately using the heating water and hot water.

According to the present invention for achieving the above object, in the solar energy heat storage device, the upper surface is open; A glass cover covering an upper surface of the case; A light collecting unit including a plurality of lenses for refracting and condensing sunlight incident through the glass cover; And a plurality of heat storage pipes containing metal pipes or metal strings and heat storage material, arranged in a case and accumulating by heat condensing parts. It provides a solar energy storage device comprising a.

A hot water storage unit connected to the hot water pipe of the building and disposed to be in contact with one side of the heat storage unit, wherein the stored water is heat-exchanged and converted into hot water by being supplied from the outside through the heat storage unit accumulated by solar light; A heating water storage unit connected to the heating water pipe of the building and disposed to be in contact with the other side of the heat storage unit, wherein the heating water storage unit is heated by heat-exchanging heating water stored therein through the heat storage unit accumulated by solar light; And a circulation pump circulating the heating water stored in the heating water storage unit through the heating water pipe. It includes, and the hot water storage unit, and the corrugated pipe spirally received along the inner circumference of the case; A circulation pipe disposed in the corrugated pipe and having water circulated therein; And a plurality of covers surrounding a part of the outer surface of the corrugated pipe to prevent the flow of the corrugated pipe. It may be configured to include.

It may be configured to include a first auxiliary heat transfer means disposed in the case to supply heat to the air in the case, and the second auxiliary heat transfer means arranged to contact the heat storage unit, the hot water storage unit and the heating water storage unit to supply heat. have.

A body forming a passage through which the internal air is warmed by the heat radiated from the heat accumulating portion accumulated by the collected solar light, and the warmed air rises; One or more turbines disposed above the inside of the body and rotated by air rising from the body; A speed increaser connected to the rotary shaft of the turbine and operated; A generator developed in connection with the speed reducer; And a storage battery storing electricity generated by the generator. It may be configured to include.

A body forming a passage through which the internal air is warmed by the heat radiated from the heat accumulating portion accumulated by the collected solar light, and the warmed air rises; One or more turbines disposed above the body and being rotated by air rising from the body; A speed increaser connected to the rotary shaft of the turbine and operated; A generator developed in connection with the speed reducer; And a storage battery storing electricity generated by the generator. It includes, and the electricity generated in the generator or stored in the battery may be configured to be supplied to the circulation pump.

A body forming a passage through which the internal air is warmed by the heat radiated from the heat accumulating portion accumulated by the collected solar light, and the warmed air rises; One or more turbines disposed above the inside of the body and rotated by air rising from the body; A speed increaser connected to the rotary shaft of the turbine and operated; A generator developed in connection with the speed reducer; And a storage battery storing electricity generated by the generator. It includes, and the electricity generated in the generator or the electricity stored in the battery may be configured to be supplied to any one or two of the first auxiliary heating means, the second auxiliary heating means.

The heat storage material may be composed of stone.

The glass cover has a shape of any one of a triangular prism, trapezoidal prism, semi-circular prism, and semi-elliptic prism, and may be configured to have a vacuum inside.

It may be configured to include a reflecting plate mounted on the case to reflect the sunlight incident to the periphery of the case toward the light collecting portion.

According to the solar energy storage device according to the present invention, it is composed of a simple structure, it is possible to significantly lower the production cost, maintenance cost, etc. commercially good effect.

In addition, the present invention has the effect of reducing global warming and air pollution by using heating and hot water using solar energy.

In addition, by using the heating water and hot water separately, there is an effect to prevent the temperature decrease of the heating water when using the hot water, and to use the antifreeze in the heating water.

Hereinafter, with reference to the drawings will be described in detail. However, these drawings are for illustrative purposes only and the present invention is not limited thereto.

1 is a perspective view of a solar energy storage device according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the solar energy storage device shown in Figure 1, Figure 3 is an embodiment according to the embodiment of the present invention Figures showing examples of the glass cover that can be used in the optical energy storage device.

1 to 3, the solar energy storage device 100 according to an embodiment of the present invention is largely a case 110, a glass cover 120, a light collecting unit 130, a reflecting plate 140, and heat storage. It is configured to include a portion 150.

The case 110 is formed so that the upper surface is open to receive sunlight therein, and the wall of the case 110 is formed to have a predetermined thickness, for example, a thickness of about 10 cm for insulation. Such a wall is made of a heat insulating material or as shown in Figure 2 it is preferable to increase the temperature maintaining effect in the case 110 by configuring one or more heat insulating materials (H), such as glass fiber, styrofoam, non-woven fabric. In addition, a separate heating wire may be disposed inside the wall to further increase the temperature retention effect. The case 110 is disposed to be inclined so as to have a predetermined angle with respect to the ground. For this, the case 110 may be inclined to the ground itself, but it is preferable to use a pedestal C as shown in FIG. It is desirable to configure the wheel to be convenient to transport.

Glass cover 120 is a component that covers the open upper surface of the case 110 described above, it is good to increase the absorption rate of sunlight by showing a certain dark color, for example, light blue. 1 and 2, the glass cover 120 may be used as a normal flat glass, but the upper surface and the lower surface to form a glass of about 5mm thickness of two layers, between the upper glass and the lower glass It is good to make a space and to use this space joined together in a vacuum. The glass cover 120 may be formed in the shape of a semi-ellipse cylinder or a triangular prism as shown in (a) and (b) of FIG. 3, but may be formed in the shape of a trapezoidal pillar, a semi-circle pillar, and the like. Thus, the glass cover 120 is formed in the shape of a triangular prism, trapezoidal column, semi-circular column, semi-elliptic column, etc., the one which receives mainly sunlight in the morning and the other that mainly receives sunlight in the afternoon according to the movement of the sun. Are separated. For example, in the case of a triangular prism (isosceles triangle) shape, one side of the triangular prism shape facing the sun rising in the morning mainly receives sunlight in the morning, and the other side facing the sun's rising direction is mainly sunlight in the afternoon. It is configured to accept. Such glass cover 120 is excellent in the effect of accumulating heat by sunlight and slowing the temperature drop inside the case 110 than the general flat glass. Meanwhile, when moisture or frost occurs in the glass cover 120, the glass cover 120 may be removed, and the heating wire 122 may be formed to prevent the temperature inside the case 110 from decreasing due to the cold nature of the glass. It is good.

The light collecting unit 130 includes a plurality of fixing tables 132 and a plurality of lenses 134. The plurality of holders 132 are arranged in parallel in the longitudinal direction or the width direction of the case 110 apart from each other by a predetermined interval, the plurality of lenses 134 are arranged between the holders and the incident through the glass cover 120 It has a focal length that can be refracted to focus light on the heat storage unit 150 described below. The holder 132 may be a pipe having a circular or rectangular cross section, and a plurality of coupling holes 132a for coupling the lens 134 along the longitudinal direction are formed to face each other to fix the lens 134 to the holder 132. You can arrange between them. In an embodiment of the present invention, 18 lenses 134 are arranged in the length direction of the case 110 and 8 lenses in the width direction of the case 110, so that a total of 144 lenses 134 are used.

The reflector plate 140 is mounted on the case 110 to reflect the sunlight incident to the periphery of the case 110 toward the light condenser 130 to increase the amount of sunlight incident into the case 110 through the light condenser 130. It is a giveable component. The reflector plate 140 may be formed of various materials capable of reflecting sunlight, for example, metal materials such as stainless steel.

The heat storage unit 150 is disposed in the case 110 and is a component that accumulates solar light, ie, sunlight collected by the light collecting unit 130, and a plurality of heat storage pipes 152 made of metal, for example, aluminum. Are components formed by being arranged. The heat storage pipe 152 includes one or two or more metal pipes 152a or metal strings and heat storage material 152b. The metal pipe 152a or the metal wire may be formed of metal of various materials, but it is preferable to use a copper material having high thermal conductivity. The heat storage material 152b is disposed in the circumference of the metal pipe 152a or the metal string. In the present invention, the heat storage material 152b uses a stone such as natural stone or artificial stone. In particular, it is good to use a stone that can accumulate heat quickly and retain heat for a long time.

Figure 4 is a structural diagram showing that the solar energy heat storage device according to an embodiment of the present invention is used for hot water, heating is connected to the hot water heating device, Figure 5 is an exploded perspective view of the hot water heating device shown in FIG. Here, FIG. 4 excludes the glass cover 120 and the condenser 130 so that the hot water heating device 200 can be well represented, and is shown by cutting a part of the case 110.

As shown in FIG. 4 and FIG. 5, the hot water heating device 200 connected to and used in the solar energy heat storage device 100 includes a hot water storage unit 210, a heating water storage unit 230, and a circulation pump 260. It is configured to include.

The hot water storage unit 210 is a component that receives and stores the water supplied from the outside, and is connected to the hot water pipe 220 of the building (B) to supply hot water when the user wants. The hot water storage unit 210 is disposed to be in contact with one side of the heat storage unit 150, and a part of the upper surface of the heat storage unit 150 in the illustrated drawing. Thus, when the heat accumulator 150 accumulates by sunlight collected from the light condenser 130, the water stored in heat exchange with the heat accumulator 150 is converted into hot water. Here, the lens 134 disposed directly above the portion where the hot water storage unit 210 is located is disposed to have a slight angle so that the sunlight is not blocked by the hot water storage unit 210. It may be configured to focus on the central heat storage unit), or in addition to the lens 134 having a focal length that can be focused on the hot water storage unit 210.

The hot water storage unit 210 is configured to include a corrugated pipe 212, the circulation pipe 214 and the cover 216. The corrugated pipe 212 is formed of a metal material, for example, stainless steel, and is spirally received along the inner circumference of the case 110. The use of such corrugated pipe 212 is more effective in maintaining heat at a higher temperature than using a general round pipe. The circulation pipe 214 is disposed in the corrugated pipe 212, and water is stored therein and circulated. The circulation pipe 214 is also formed of a metal material. For example, copper pipes made of copper material may be used to increase thermal efficiency and prevent rust. On the other hand, a plurality of cover 216 is provided to surround a portion of the outer surface of the corrugated pipe 212 to prevent the flow of the corrugated pipe 212, the cover 216 is also a metal material, for example, using an aluminum material hot water storage ( It is desirable to be able to maintain the high temperature of 210.

The heating water storage unit 230 is a component that is connected to the heating water pipe 240 of the building (B) to allow the user to heat the building (B) when desired or when the external temperature is below a predetermined temperature. Since the heating water storage unit 230 is formed in the same configuration as the above-described hot water storage unit 210, detailed description of the configuration will be omitted. The heating water storage unit 230 is disposed on the other side of the hot water storage unit 210 and in contact with the bottom surface of the heat storage unit 150 in the illustrated drawing, similarly to the hot water storage unit 210. Heat exchanged with 150 to heat the heating water inside. The heating water may use general tap water, but in the present invention, since the heating water is not used by the user as hot water by dividing the hot water and the heating water, the antifreeze is properly mixed so as to prevent freezing in winter. The heating water pipe 240 may be returned to the heating water storage unit 230 through the heating water supply pipe 242 and the building B, which form a passage through which the heating water is supplied to the building B, as in a conventional boiler. It includes a heating water return pipe 244, the air return valve 244 may be formed with an air discharge valve to discharge the air in the pipe. In this way, the heating water supplied to the building B is supplied to a place required by the user, for example, a room, a living room, or a kitchen, by the distributor 246.

The hot water storage unit 210 and the heating water storage unit 230 are used to receive external water through the water supply pipe 250. The water supply pipe 250 is provided with a valve 252 which is connected to a commonly used tap water to control the supply of water, and the heating water supplement 254 to mix the antifreeze in the pipe connected to the heating water storage unit 230. ) Is included. The water supply pipe 250 may be provided with a separate heating wire to prevent winter freezing.

As described above, the hot water heating device 200 used in the present invention separates the heating water and the hot water by placing the heat storage unit 150 between the hot water storage unit 210 and the egg waterproof storage unit 230. Thus, even if the user uses hot water, the temperature of the heating water is not lowered, and antifreeze can be used for the heating water, thereby preventing winter freezing.

Although the circulation pump is not shown and disposed on the rear surface of the hot water heating device 200 in the drawing, the heating water stored in the heating water storage unit 230 is used through the heating water pipe 240 as used in a conventional boiler. It is a circulating component. The circulation pump may be configured to include a sensor for measuring the outside air temperature to operate when the outside air temperature measured by the sensor is below the set temperature.

On the other hand, while using the solar energy heat storage device 100 according to an embodiment of the present invention in the case of not receiving solar energy, such as in winter or cloudy or rain auxiliary auxiliary heat that is operated by receiving electricity from the outside Means can be arranged. In the present invention, the first and second auxiliary heat transfer means 160 and 170 are used as the auxiliary heat transfer means.

The first auxiliary heat transfer means 160 is disposed in the case 110 to supply heat to the air in the case 110. The first auxiliary heat transfer means 160 may operate under the control of the user, but may be operated when the temperature in the case 110 measured by the sensor is less than or equal to a set temperature by placing a sensor that measures the temperature of air in the case 110. It can be configured to.

The second auxiliary heat transfer means 170 is arranged to be in contact with the heat storage unit 150, the hot water storage unit 210, and the heating water storage unit 230, and at the same time, the heat storage unit 150 and the hot water storage unit 210. And the egg waterproof storage unit 230 is operated to receive heat. The second auxiliary heating means 170 also includes a sensor for measuring the temperature of the hot water storage unit 210 or hot water in the hot water storage unit 210 in addition to the user's control, when the temperature measured by the sensor is less than the set temperature It may be configured to operate.

6 is a perspective view showing that the solar energy storage device according to an embodiment of the present invention is used for power generation in connection with a power generation device. At this time, except for one side wall of the power generation device 300 is shown to see the configuration of the inside.

Referring to Figure 6, the power generation device 300 is connected to the solar energy storage device 100 is used is the body 310 and turbine 320, speed increaser 330, generator 340 and storage battery 350 It is configured to include.

The body 310 is a component that forms a passage in which the air inside is warmed by the heat radiated from the heat storage unit 150 accumulated by the collected solar light, and the warmed air rises. An inclined surface 312 is formed in the body 310 to guide the air warmed toward the turbine 320 side described below. Here, the heat storage unit 150 is preferably formed to be longer to widen the area in contact with the air in the body 310, in the figure is shown, the heat storage unit 150 is formed longer by bending to the upper side of the body 310 It was configured to. In addition, the body 310 may be connected to the heat storage unit 150 or by arranging a plurality of air induction communication 314 in a position close to the heat storage unit 150 to induce warmed air to the turbine 320 side. It is configured to be.

Turbine 320 is provided in the number of one or more than two and disposed on the upper side of the body (310). The turbine 320 is rotated by the force of the air warmed from the body 310, the air rotated by the turbine 320 is discharged to the outside through a window that is open to the front of the turbine 320.

The speed increaser 330 is connected by the rotation shaft 322 of the turbine 320 and the first belt 332 which is rotated by the lifting force of the warmed air, and is operated according to the rotation of the turbine 320. The turbine 320 rotates at a low speed due to the rising force of the warmed air, and thus it is difficult to obtain a speed required for power generation. Accordingly, the speed increaser 330 is used to obtain a rotational speed necessary for power generation.

The generator 340 is connected to the speed reducer 330 by the second belt 342 to generate power, and the storage battery 350 stores electricity generated by the generator 340.

On the other hand, the body 310 may be provided with a secondary heating means such as used in the above-mentioned hot water heating device for the case of not receiving solar energy, such as winter or cloudy or rainy.

7 is a view showing that the solar energy heat storage device according to an embodiment of the present invention is used for hot water, heating, and power generation in connection with a hot water heating device and a power generation device.

As shown in FIG. 7, the hot water heating device 200 and the power generation device 300 using the solar energy heat storage device 100 are electrically connected to each other.

In the case of the hot water heating device 200, the circulation pump 260 for circulating the heating water, or in the winter or when it does not receive solar energy, such as cloudy or rainy, when the external power is supplied to heat the hot water and heat required to convert the heating water First and second auxiliary heating means (160, 170) for providing a is included.

Here, the solar energy storage device 100 is stored in the electricity or storage battery 350 generated by the generator 340 of the generator 300 without receiving power from the outside by connecting the power generator 300 used It may be configured to supply electricity to the circulation pump 260, the first and second auxiliary heating means (160, 170) for storing the electricity stored in the storage battery 350 when the solar energy is not received, such as winter or cloudy or rain It can be configured to supply

In addition, even when a heating wire or the like is used for the case 110, the glass cover 120, or the water supply pipe 250 of the hot water heating device 200, the electricity generated by the generator 340 or the electricity stored in the storage battery 350. It can also be supplied and used.

As such, those skilled in the art will appreciate that the present invention can be implemented in other specific forms without changing the technical spirit or essential features thereof.

Therefore, the exemplary embodiments described above are to be understood as illustrative and not restrictive in all respects, and the scope of the present invention is indicated by the following claims rather than the detailed description, and the meaning and scope of the claims and All changes or modifications derived from the equivalent concept should be interpreted as being included in the scope of the present invention.

1 is a perspective view of a solar energy storage device according to an embodiment of the present invention.

2 is an exploded perspective view of the solar energy storage device shown in FIG.

3 is a view showing examples of the glass cover that can be used in the solar energy storage device according to an embodiment of the present invention.

Figure 4 is a structural diagram showing that the solar energy heat storage device according to an embodiment of the present invention is used for hot water, heating is connected to the hot water heating device.

5 is an exploded perspective view of the warm water heating device shown in FIG. 4.

6 is a perspective view showing that the solar energy storage device according to an embodiment of the present invention is used for power generation in connection with a power generation device.

7 is a view showing that the solar energy heat storage device according to an embodiment of the present invention is used for hot water, heating, and power generation in connection with a hot water heating device and a power generation device.

Explanation of symbols on the main parts of the drawings

100: solar energy storage device 110: case

120: glass cover 122: heating wire

130: light collecting unit 132: fixing stand

132a: coupling hole 134: lens

140: reflector 150: heat storage unit

152: heat storage pipe 152a: metal pipe

152b: heat storage material 160: first auxiliary heat transfer means

170: second auxiliary heating means 200: hot water heating device

210: hot water storage unit 212: corrugated pipe

214: circulation pipe 216: cover

220: hot water pipe 230: heating water storage unit

240: heating water supply pipe 242: heating water supply pipe

244: heating return pipe 246: distributor

250: water supply pipe 252: valve

254: heating water supplement 300: generator

310: body 312: slope

314: air induction communication 320: turbine

322: axis of rotation 330: speed increase

332: first belt 340: generator

342: second belt 350: storage battery

B: Building C: Pedestal

H: insulation

Claims (13)

In the solar energy heat storage device, A case having an open top surface; A glass cover covering an upper surface of the case; A condenser comprising a plurality of lenses for refracting and condensing sunlight incident through the glass cover; A plurality of heat storage pipes including metal pipes or metal strings and a heat storage material, arranged in the case and accumulating by the light collecting part; A hot water storage unit connected to the hot water pipe of the building and disposed to be in contact with one side of the heat storage unit, wherein the water stored in the heat storage unit is heat-exchanged and converted into hot water through the heat storage unit, which is accumulated by solar light; A heating water storage unit connected to a heating water pipe of a building and disposed to be in contact with the other side of the heat storage unit, wherein the heating water storage unit is heated by heat-exchanging heating water stored therein through the heat storage unit which is stored by solar light collected; And A circulation pump circulating the heating water stored in the heating water storage unit through the heating water pipe; Including, The hot water storage unit, A corrugated pipe spirally received along an inner circumference of the case; A circulation pipe disposed in the corrugated pipe and having water circulated therein; And A plurality of covers surrounding a portion of an outer surface of the corrugated pipe to prevent the flow of the corrugated pipe; Solar energy heat storage device comprising a. The method of claim 1, A first auxiliary heat transfer means disposed in the case and supplying heat to air in the case; And a second auxiliary heat transfer means arranged to be in contact with the heat storage unit, the hot water storage unit, and the heating water storage unit to supply heat. The method of claim 1, A body forming a passage through which internal air is warmed by heat radiated from the heat accumulating unit, which is stored by the collected solar light, and the warmed air rises; One or more turbines disposed above the body and rotated by air rising from the body; A speed increaser connected to the rotary shaft of the turbine and operated; A generator connected to the speed increaser and generating power; And A storage battery for storing electricity generated by the generator; Solar energy heat storage device comprising a. The method of claim 2, A body forming a passage through which internal air is warmed by heat radiated from the heat accumulating unit, which is stored by the collected solar light, and the warmed air rises; One or more turbines disposed above the body and rotated by air rising from the body; A speed increaser connected to the rotary shaft of the turbine and operated; A generator connected to the speed increaser and generating power; And A storage battery for storing electricity generated by the generator; Solar energy heat storage device comprising a. The method according to any one of claims 1 to 4, The heat storage material is a solar energy heat storage device, characterized in that the stone (石材). The method according to any one of claims 1 to 4, The glass cover, Solar energy heat storage device, characterized in that any one of a triangular column, trapezoidal column, semi-circular column, semi-elliptic column, the inside of the vacuum state. The method of claim 5, The glass cover, Solar energy heat storage device, characterized in that any one of a triangular column, trapezoidal column, semi-circular column, semi-elliptic column, the inside of the vacuum state. The method according to any one of claims 1 to 4, And a reflecting plate mounted on the case and reflecting sunlight incident to the periphery of the case toward the light collecting part. The method of claim 5, And a reflecting plate mounted on the case and reflecting sunlight incident to the periphery of the case toward the light collecting part. The method of claim 6, And a reflecting plate mounted on the case and reflecting sunlight incident to the periphery of the case toward the light collecting part. The method of claim 7, wherein And a reflecting plate mounted on the case and reflecting sunlight incident to the periphery of the case toward the light collecting part. delete delete

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