WO2014003334A1 - Photovoltaic module cooling device applied to solar energy conversion apparatus - Google Patents

Abstract

The present invention relates to a photovoltaic module cooling device applied to a solar energy conversion apparatus. In the photovoltaic module cooling device applied to the solar energy conversion apparatus which includes a light collection unit (10) for collecting sunlight, a photovoltaic module (20) for converting the sunlight collected by the light collection unit (10) into electrical and heat energy, and a heat transfer unit (30) for transferring heat from the photovoltaic module (20) in order to cool the photovoltaic module (20) and recover the heat energy generated by the photovoltaic module (20), the heat transfer unit (30) is configured to have a heat pipe (31) arranged so as to be in contact with the photovoltaic module (20), a heat exchanger (32) connected to one side of the heat pipe (31) so as to discharge the heat transmitted from the photovoltaic module (20), a supply line (33) supplying a coolant to the heat exchanger (32), and a discharge line (34) discharging hot water heated by the heat transferred from the heat exchanger (32). According to the photovoltaic module cooling device applied to the solar energy conversion apparatus described above, the photovoltaic module can be maintained within a preset temperature range using the photovoltaic module cooling device, and the heat energy generated by the photovoltaic module can be recovered and utilized effectively.

Description

Photovoltaic Module Chiller Applied to Solar Power Inverter

The present invention relates to a photovoltaic module cooling device applied to a solar energy converter, and more particularly, to a photovoltaic module for converting a part of solar energy into electric energy only, or converting solar energy into complex energy such as electricity and heat energy. The present invention relates to a photovoltaic module cooling device applied to a solar energy converter that cools and recovers and utilizes thermal energy generated from a photovoltaic module.

Fossil fuels are gradually depleted, and research and development of alternative energy technologies that can replace fossil fuels to prevent environmental pollution caused by the use of fossil fuels are being actively conducted.

Among alternative energy, solar energy can be continuously supplied from the sun and it is an ideal alternative energy because it does not generate environmental pollutants.

The technology for the use of such solar energy can be largely divided into a solar light utilization form and a solar heat use form.

Conventional photovoltaic systems use crystalline and thin film silicon and organic material photovoltaic cells for the purpose of producing only electrical energy.

Such a solar power system converts up to 15 energy into electric energy when the total solar energy input to heat conversion efficiency of 12 to 15% is 100.

Therefore, the photovoltaic power generation system according to the prior art has a very low electrical conversion efficiency, and when the temperature rises above 40 ° C, the electrical change efficiency decreases rapidly, and above 80 ° C, the possibility of failure of the internal semiconductor and the structure itself is greatly increased. There was a problem.

In addition, the conventional solar hot water hot water supply and power generation system has been harmed by surplus heat collection in summer.

In recent years, a complex utilization technology has been developed for converting solar and solar energy into electricity and heat energy simultaneously.

Such solar energy use technology is disclosed in Republic of Korea Patent Publication No. 10-2004-0081816 (published September 23, 2004, hereinafter referred to as 'Patent Document 1'), Republic of Korea Patent Registration No. 10-0941926 (2010 2 It is disclosed on May 11, and hereinafter referred to as "Patent Document 2".

Recently, multi-junction type photovoltaic cells (MJPV or Concentrated photovoltaic cells (CPV), MJCPV, etc.), which are more efficient than photovoltaic cells applied to conventional solar power generation systems and are advantageous for a condensing environment, Hereafter collectively referred to as a 'condensed photovoltaic cell'.

The light converging photovoltaic cell is installed by overlapping cells having different characteristics in order to increase the density of sunlight.

Such condensed photovoltaic technology is disclosed in US Patent Publication No. 2008-0251122 (published October 16, 2010, Korean Patent Registration No. 10-0983232 (published September 20, 2010), hereinafter referred to as 'Patent Document 3'. And the like.

That is, the condensed photovoltaic cell can produce electrical energy and thermal energy at the same time from the solar energy has an electrical conversion efficiency of up to 40%.

However, the research and development work of the technology which applies the condensed photovoltaic cell of patent document 3 to the conventional composite energy production technology containing patent document 1 and patent document 2 is still in the incomplete state.

Therefore, it is necessary to develop a technology for improving energy conversion efficiency of solar energy by applying a condensed photovoltaic cell to a complex energy device that produces electricity and thermal energy from solar energy.

In particular, there is a need for a method of effectively cooling the condensed photovoltaic cell and recovering and utilizing thermal energy generated from the condensed photovoltaic cell.

The present invention is to solve the problems as described above, an object of the present invention is to provide a photovoltaic module cooling device applied to a solar energy converter that can produce a combination of electrical and thermal energy from solar energy.

Another object of the present invention is to provide a photovoltaic module cooling device applied to a solar energy converter that can improve the energy conversion efficiency of converting solar energy into electricity and heat energy.

Still another object of the present invention is to provide a photovoltaic module cooling device applied to a solar energy converter that can effectively cool a photovoltaic module and recover and utilize thermal energy generated from the photovoltaic module.

According to a feature of the present invention for achieving the object as described above, the present invention is a light collecting unit for collecting solar light, a photovoltaic module for converting the solar light collected by the light collecting unit into electrical and thermal energy and heat exchange with the photovoltaic module A photovoltaic module cooling apparatus applied to a solar energy conversion apparatus including a heat exchanger for cooling a photovoltaic module and recovering thermal energy generated by the photovoltaic module, wherein the heat exchanger is provided in contact with the photovoltaic module, and includes a heat pipe and the heat. A heat exchanger connected to one side of a pipe to discharge heat transferred from the photovoltaic module, a supply line for supplying cooling water into the heat exchanger, and a discharge line for discharging hot water heated by performing heat exchange in the heat exchanger .

The heat pipe is provided with a channel (channel) in which a working fluid is filled in an inner space, and a wick structure for circulating the working fluid using a capillary force is provided in the channel.

The channel is formed in a rectangular shape to facilitate thermal contact with one surface of the printed circuit board of the photovoltaic module, and the wick structure is formed in a rectangular ring or annular ring shape in cross section to provide a passage through which the working fluid moves. It is characterized in that it is provided in (screen), groove (groove) or sintered metal (sintered metal) type.

The heat exchanger is characterized in that a plurality of heat radiation fins are provided to widen the area for heat exchange with the cooling water.

The discharge line may be connected to a hot water supply device or a heating device or a heat storage tank for storing thermal energy to perform hot water supply or heating using hot water discharged from the cooler.

The light collecting part may include a light collecting body configured to parabolic an upper surface to condense sunlight, and the photovoltaic module may extend the parabolic surface to convert the light collected by the light collecting body into electricity and thermal energy. And a plurality of condensed photovoltaic cells arranged linearly on a center line of the virtual cylinder and a plurality of condensed photovoltaic cells mounted on one surface thereof, wherein the printed circuit board is disposed between the plurality of condensed photovoltaic cells and the heat pipe. Characterized by being made of a metal material having a thermal conductivity so that heat exchange is performed smoothly.

The light collecting unit includes a plurality of light collecting members that point-concentrate sunlight using a principle of a lens or a mirror, and the photovoltaic module includes a plurality of light-collecting photovoltaic cells that convert the light concentrated by the light-converging member into electric and thermal energy. And a printed circuit board on which one surface of the plurality of light collecting photovoltaic cells is mounted.

The light collecting member may be a fresnel lens.

According to another feature of the present invention, the present invention provides a light collecting unit for collecting solar light, a photovoltaic module for converting the solar light collected by the light collecting unit into electricity and thermal energy and performing a heat exchange with the photovoltaic module to cool the photovoltaic module A photovoltaic module cooling apparatus applied to a solar energy converter including a heat exchanger for recovering heat energy generated by a photovoltaic module, wherein the heat exchanger is connected to a heat pipe installed in contact with the photovoltaic module and one side of the heat pipe. It includes a heat radiation fin for dissipating heat transferred from the module by performing heat exchange with the outside air.

As described above, according to the photovoltaic module cooling apparatus applied to the solar energy converter according to the present invention, the solar light is collected by using a condenser having a parabolic surface, and the solar energy is converted by using a condensed photovoltaic cell to convert electricity and The effect of producing multiple thermal energy is obtained.

In particular, according to the photovoltaic module cooling apparatus applied to the solar energy converter according to the present invention, an effect that the photovoltaic module can be cooled to maintain a predetermined temperature range by installing a heat exchanger on one side of the heat pipe.

And according to the photovoltaic module cooling apparatus applied to the solar energy converter according to the present invention, by supplying the cooling water to the heat exchanger, using the heated hot water in the process of heat exchange with the heat exchanger, the heat energy generated in the photovoltaic module effectively recovered The effect can be obtained by using.

In addition, according to the photovoltaic module cooling apparatus applied to the solar energy converter according to the present invention, a heat pipe having a wick structure for providing a channel filled with a working fluid in the inner space and circulating the working fluid using capillary force inside the channel is provided. The effect that can effectively transfer the heat generated in the photovoltaic module to the heat exchanger is obtained.

Accordingly, according to the photovoltaic module cooling device applied to the solar energy conversion device according to the present invention, by performing heat exchange with the photovoltaic module, the heated hot water is supplied to a heating device or a hot water supply device to convert solar energy into thermal energy, thereby total energy. The effect that the conversion efficiency can be improved significantly is obtained.

Particularly, according to the photovoltaic module cooling apparatus applied to the solar energy converter according to the present invention, a photovoltaic module is manufactured by linearly arranging a plurality of condensing photovoltaic cells, thereby using a lens or dish-shaped light collector. The effect that cooling of a photovoltaic module can be performed easily compared with the energy converter which focuses sunlight is obtained.

In addition, according to the photovoltaic module cooling apparatus applied to the solar energy converter according to the present invention, the PCB is made of a metallic material with excellent thermal conductivity, or a condensed photovoltaic cell is formed by forming a cut hole so that a part of the cooler is inserted into the PCB of the synthetic resin material By directly contacting with the cooler, the effect of improving the cooling performance and the heat transfer efficiency of the photovoltaic module is obtained.

In addition, according to the photovoltaic module cooling apparatus applied to the solar energy converter according to the present invention, as a result of the use of a condensed photovoltaic cell with less damage due to temperature rise and a decrease in energy conversion efficiency compared to a general photovoltaic cell, By maintaining the temperature of hot water high, the effect can be applied effectively to a hot water supply facility and a heating apparatus, and the thermal energy conversion efficiency can be improved.

1 is a block diagram of a solar energy converter to which a photovoltaic module cooling device is applied according to a preferred embodiment of the present invention;

2 is a perspective view of the solar energy converter shown in FIG.

3 and 4 is an exemplary view of a solar energy conversion device according to another embodiment of the present invention,

5 is an enlarged view of the photovoltaic module and heat exchanger illustrated in FIG. 2;

6 is a rear view of the photovoltaic module shown in FIG. 3,

7 and 8 are cross-sectional views of the heat pipe shown in FIG.

9 and 10 are exemplary views showing a photovoltaic module cooling device applied to a solar energy conversion device according to another embodiment of the present invention.

Hereinafter, a photovoltaic module cooling apparatus applied to a solar energy converter according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram of a solar energy converter to which a photovoltaic module cooling device is applied according to a preferred embodiment of the present invention, and FIG. 2 is a perspective view of the solar energy converter shown in FIG. 1.

3 and 4 is an exemplary view of a solar energy conversion device according to another embodiment of the present invention.

5 is an enlarged view of the photovoltaic module and heat exchanger illustrated in FIG. 2, FIG. 6 is a rear view of the photovoltaic module illustrated in FIG. 5, and FIGS. 7 and 8 are cross-sectional views of the heat pipe illustrated in FIG. 5.

As shown in FIG. 1, the solar energy converter to which the photovoltaic module cooling device is applied according to an exemplary embodiment of the present invention may collect the solar light collected from the light collecting part 10 and the solar light collected from the light collecting part 10. And a heat exchanger 30 that cools the photovoltaic module 20 by recovering heat energy generated by the photovoltaic module 20 by performing heat exchange with the photovoltaic module 20 and the photovoltaic module 20 that convert the thermal energy.

1 and 2, the light collecting unit 10, the upper surface is formed as a parabolic (parabolic), the light collector 11 for pre-condensing sunlight, horizontal installation is installed on the top of the light collector 11 And a pair of vertical mounting members 13 which connect both ends of the member 12 and the condenser 11 and both ends of the horizontal mounting member 12, respectively.

The light collector 11 is formed as a parabolic surface having a concave top surface to pre-collect the sunlight, and serves as a reflector in which the sunlight reflects toward a focal line corresponding to the center line of the virtual cylinder extending the parabolic surface.

However, the present invention is not necessarily limited thereto.

For example, FIGS. 3 and 4 are exemplary views of a solar energy converter according to another embodiment of the present invention.

3 and 4, the present invention may be modified to point-collect using various types of lenses, such as a fresnel lens 14, or using a dish-shaped light collector. .

Here, a plurality of Fresnel lens 14 is arranged in series and in parallel, as shown in Figure 3, the photovoltaic module 20 and the heat exchanger 30 also channel corresponding to each row of the Fresnel lens 14 It may be provided.

Accordingly, the present invention can minimize the installation area of the light collecting unit by focusing sunlight using a plurality of Fresnel lenses.

However, the present invention is cheaper than the case of the point condensing using the principle of convex lens or concave mirror or using a dish-shaped light collector, and the parabolic surface to facilitate cooling of the photovoltaic module. It is preferable to precondens sunlight with this formed cylindrical condenser.

As shown in FIGS. 2 and 5, the photovoltaic module 20 is installed under the horizontal mounting member 12 to absorb solar light precondensed by the parabolic surface of the light collector 11 to produce electric and thermal energy. do.

For this purpose, the photovoltaic module 20 is a printing in which a plurality of condensed photovoltaic cells 21 and a plurality of condensed photovoltaic cells 21 are arranged linearly on a center line of a virtual cylinder precondensed by the condenser 11. A printed circuit board (hereinafter, referred to as a PCB) 22 is included.

Here, a typical photovoltaic cell only absorbs energy for some wavelength range of solar energy delivered in the form of wavelengths.

On the other hand, the condensed photovoltaic cell 21 absorbs sunlight in a wider wavelength range than a general photovoltaic cell and converts it into electrical and thermal energy, and transfers thermal energy to the heat exchanger 30.

According to the test result, the light collecting type photovoltaic cell 21 is composed of three or more layers, and a general photovoltaic cell composed of one layer may absorb sunlight in a wavelength range in which energy is not absorbed and convert it into electrical energy.

Accordingly, the condensed photovoltaic cell 21 can exhibit about 40% electrical conversion efficiency, nearly three times that of a general photovoltaic cell.

In addition, since the energy conversion efficiency of the condensed photovoltaic cell 21 is increased by only about 8 to 10% when the temperature is increased by 100 ° C., the reduction rate of the energy conversion efficiency due to the temperature increase of the photovoltaic module 20 is very small compared to the general photovoltaic cell. have.

As described above, the present invention can improve the energy conversion efficiency by precondensing sunlight using a light collector and converting the precondensed sunlight into electricity and thermal energy using a condensed photovoltaic cell.

The PCB 22 serves to electrically connect the plurality of condensed photovoltaic cells 21 arranged in a linear manner.

In addition, the PCB 22 may effectively transfer heat generated from the plurality of light-collecting photovoltaic cells 21 mounted on one surface of the PCB 22 to the heat exchanger 30 coupled to the other surface of the PCB 22. In addition, the material may be made of metal, such as aluminum or aluminum alloy, which has excellent thermal conductivity.

On the other hand, when using a PCB made of a general synthetic resin material such as epoxy resin, glass epoxy, bakelite resin, phenol resin, as shown in Figure 4, the PCB 22, from the plurality of light-collecting photovoltaic 21, An incision hole 23 may be formed by cutting all or a part corresponding to the rear surface of each condensing photovoltaic cell 21 so that heat transfer can be easily performed.

Here, the insertion hole formed in one surface of the heat pipe 31 of the heat exchanger 30 to be described below is inserted into the cutout 23.

As described above, the present invention, when using a PCB made of synthetic resin material, by making a cut-out hole in the portion that does not affect the configuration of the electrical circuit on the PCB by directly contacting the condensing photovoltaic cell and the cooler, cooling performance and thermal energy of the condensing photovoltaic cell It can improve the transmission efficiency.

As shown in FIG. 5, the heat exchanger 30 is connected to one side of the heat pipe 31 and the heat pipe 31 installed on the upper portion of the photovoltaic module 20 to transfer heat transferred from the photovoltaic module 20. It includes a heat exchanger (32) for discharging, a supply line (33) for supplying cooling water into the heat exchanger (32) and a discharge line (34) for discharging the heated hot water by performing heat exchange in the heat exchanger (32).

The heat pipe 31 is made of a metal material having high thermal conductivity so as to receive heat energy from the photovoltaic module 20.

Here, the heat pipe 31 is provided with a channel (311) is filled with a working fluid in the internal space, as shown in Figure 7 and 8, the working fluid using a capillary force inside the channel 311 A wick structure 312 is provided for circulating the wick structure.

For example, the heat pipe 31 is provided with a channel 311 having an external shape having a square or circle shape to facilitate thermal contact with one surface of the PCB 22 of the photovoltaic module 20, and inside the channel 311. A wick structure 312 of a screen, groove or sintered metal type having a cross section formed into a rectangular ring or annular ring shape may be provided to provide a passage through which the working fluid moves.

In addition, a vapor channel may be provided in the inner space of the wick structure 312 in which steam of the working fluid is filled.

Accordingly, the present invention provides a channel filled with a working fluid therein, and heat can be effectively transferred to the heat exchanger using a heat pipe provided with a wick structure for circulating the working fluid using capillary force inside the channel. have.

The lower surface of the heat pipe 31 may be formed in a shape corresponding to the incision hole 23 of the PCB 22 made of a synthetic resin material to be inserted into the insertion hole (not shown) inserted into the incision hole 23 may be formed. have.

In particular, the heat pipe 31 is preferably made as large as possible the thermal contact area so that heat transfer with the photovoltaic module can be easily performed.

The heat exchanger 32 serves to transfer the heat energy transferred through the heat pipe 31 to the coolant.

To this end, the heat exchanger 32 is provided with a plurality of heat dissipation fins 321 to maximize the contact area with the coolant.

The supply line 33 is connected to a cooling water tank or a cooling water supply pipe (not shown) to supply cooling water to the heat exchanger 32.

The discharge line 34 is connected to various equipments such as a heating device or a hot water supply device using hot water, such as a heating device or a hot water supply pipe (not shown), or connected to a heat storage tank that stores thermal energy, which is converted by the photovoltaic module 20. It can effectively recover and utilize thermal energy.

As described above, the present invention facilitates cooling of the photovoltaic module by using a heat pipe and a heat exchanger installed in the photovoltaic module by condensing sunlight using a light collector having a parabolic reflecting surface and a photovoltaic module formed in a linear shape. Can be.

In addition, the present invention converts solar energy into electrical energy and thermal energy using a photovoltaic module, and supplies the heated hot water by heat exchange with the photovoltaic module, thereby increasing energy utilization.

In addition, the present invention by adjusting the flow rate supplied to the heat exchanger based on the temperature of the photovoltaic module to maintain the temperature of the photovoltaic module in a predetermined temperature range, and at the same time to increase the temperature of the hot water discharged from the heat exchanger compared to the general photovoltaic application The thermal energy conversion efficiency can be improved.

Next, the coupling relationship of the complex energy converter using solar energy according to an embodiment of the present invention will be described in detail.

In the composite energy conversion apparatus using solar energy according to the preferred embodiment of the present invention, the vertical mounting members 13 are respectively installed on upper and lower ends of the light collector 11 having an upper surface formed as a parabolic surface, and each vertical mounting member 13 is installed. Coupling the horizontal installation member 12 between the upper end.

A photovoltaic module 20 in which a plurality of light collecting photovoltaic cells 21 is linearly arranged is installed below the horizontal mounting member 12.

At this time, the light collector 11 is preferably installed inclined with the ground so that the parabolic surface facing the sun.

Here, in the present invention, when the photovoltaic module 20 itself has sufficient structural strength, the horizontal mounting member 12 is removed and the photovoltaic module 20 is directly installed between the pair of vertical mounting members 13. Can be.

Subsequently, a heat hype 31 is installed on the photovoltaic module 20, and a heat exchanger 32 is connected to one side of the heat pipe 31.

And the supply line 33 for supplying the cooling water to one side of the heat exchanger 32, the other side of the heat exchanger 32 discharge line for discharging the heated cooling water in the process of performing heat exchange with the heat exchanger (32) Connect 34.

On the other hand, the assembled solar energy conversion device as described above may be installed on the top of the solar tracking device (not shown in the figure) to rotate the movement according to the tracked position of the sun to continuously absorb the sunlight. .

Next, a method of operating a solar energy converter according to a preferred embodiment of the present invention and a cooling device of a photovoltaic module applied thereto will be described in detail.

When sunlight is incident on the parabolic surface formed on the upper surface of the light collecting body 11, the light collecting body 11 reflects the sun light toward the centerline of the virtual cylinder including the parabolic surface and condenses the light.

Then, the plurality of condensed photovoltaic cells 21 arranged linearly in the photovoltaic module 20 absorb precondensed sunlight and convert them into electrical and thermal energy.

The working fluid filled in the heat pipe 31 transfers heat energy generated from the photovoltaic module 20 to the heat exchanger 32, and the heat exchanger 32 exchanges heat with the coolant supplied through the supply line 33. Do this.

Accordingly, the photovoltaic module 20 maintains a preset temperature range, for example, about 45 to 120 ° C., and the discharge line 33 delivers hot water heated in the heat exchanger 32 to a heating device or a hot water supply device.

In this process, the solar energy converter to which the photovoltaic module cooling device according to the preferred embodiment of the present invention is applied has an improved energy conversion efficiency as compared with the case of using a conventional photovoltaic cell.

For example, assuming that the solar energy incident on a vertical surface of 1 m 2 in sunny weather is 1000 W, a typical photovoltaic cell installed on a vertical surface of 1 m 2 will produce about 150 W of electricity as it has an electrical conversion efficiency of up to 15%. Can be.

On the other hand, according to the solar energy conversion device according to the preferred embodiment of the present invention by installing a light collecting photovoltaic cell having an electrical conversion efficiency of up to 40%, the light condensing to about 400 times using a light collector corresponding to 1/400 of 1㎡ A condensed photovoltaic cell of 25 cm 2, ie, 5 cm in width and length, can be installed to produce about 400 W of electricity.

That is, the present invention can improve the electricity production by about 2.67 times while reducing the area of the photovoltaic cell to 1/400.

In addition, the present invention can produce about 1,067 times the electricity of a conventional photovoltaic cell using a focusing photovoltaic cell based on the same cell area.

In addition, the present invention may improve efficiency by utilizing solar energy by supplying heated hot water to a heating device or a hot water device by performing heat exchange with a photovoltaic module.

Here, the present invention is able to perform a normal function even at 45 ~ 120 ℃ temperature higher than the conventional photovoltaic cell by using a condensed photovoltaic cell is advantageous to provide a hot water supply function by supplying hot water at 35 ℃ or more.

Through the above-described process, the present invention can condense sunlight by using a light-collecting body having a parabolic surface, and convert solar energy by using a condensed photovoltaic cell to produce electric and thermal energy in combination.

In addition, the present invention can be effectively used to recover the thermal energy generated in the photovoltaic module while maintaining the photovoltaic module in a preset temperature range using a photovoltaic module cooling device.

As mentioned above, although the invention made by the present inventor was demonstrated concretely according to the said Example, this invention is not limited to the said Example and can be variously changed in the range which does not deviate from the summary.

That is, in the above-described embodiment, the photovoltaic module is cooled by using a heat exchanger, and the thermal energy generated by the photovoltaic module is recovered and utilized. However, the present invention is not limited thereto.

For example, FIG. 9 and FIG. 10 are exemplary views showing a photovoltaic module cooling apparatus applied to a solar energy converter according to another embodiment of the present invention.

In the photovoltaic module cooling apparatus applied to the solar energy converter according to another embodiment of the present invention, as shown in FIG. 9, when it is not necessary to recover the thermal energy generated in the photovoltaic module 20, the heat exchanger 32 is used. ) May be removed, and the heat dissipation fin 321 may be directly installed on one side of the heat pipe 31 to perform heat exchange with external air, thereby cooling the photovoltaic module 20.

In addition, the present invention, as shown in Figure 10, when the heat pipe provided in the heat exchange unit 30 using a heat pipe 35 having a circular cross section, between the photovoltaic module 20 and the heat pipe 35 It can be changed to install a transmission member 36 having a rectangular cross section in the.

Here, the transmission member 36 is manufactured in the shape of a rod using a metal material having excellent thermal conductivity, such as aluminum or copper, so as to smoothly receive thermal energy from the photovoltaic module 20.

Accordingly, in the present invention, even when a heat pipe having a circular cross section is used, heat energy generated in the photovoltaic module can be smoothly transferred to the heat pipe using the transfer member.

The present invention improves energy conversion efficiency by converting solar energy into electricity and heat energy by using a heat exchanger including a photovoltaic module in which a parabolic condenser and a plurality of light collecting photovoltaic cells are linearly arranged, and a heat pipe and a heat exchanger. It is applied to the technique.

Accordingly, the present invention can be applied to various fields such as green homes, general houses, group residential facilities, public facilities, industrial renewable energy systems, airport facilities, port facilities, and space generators.

Claims (7)

A light condenser 10 for condensing or point condensing sunlight, A photovoltaic module 20 having a plurality of condensed photovoltaic cells 21 arranged in a linear manner and converting solar light collected by the condenser 10 into electricity and thermal energy; Photovoltaic module cooling apparatus applied to the solar energy converter including a heat exchanger 30 for cooling the photovoltaic module 20 by performing heat exchange with the photovoltaic module 20 and recovering thermal energy generated by the photovoltaic module 20. To The heat exchange unit 30 is a heat pipe 31 installed on the rear of the photovoltaic module 20, A heat exchanger 32 connected to one side of the heat pipe 31 and dissipating heat transferred from the photovoltaic module 20, Supply line 33 for supplying cooling water into the heat exchanger (32) and It comprises a discharge line 34 for discharging the heated hot water by performing a heat exchange in the heat exchanger (32), The heat pipe 31 is provided with a channel (311) for filling the working fluid in the inner space, The channel (311) inside the photovoltaic module cooling device is applied to a solar energy converter characterized in that the wick structure (312) for circulating the working fluid using a capillary force is provided. The method of claim 1, The channel 311 is formed in a rectangular shape to facilitate thermal contact with one surface of the printed circuit board 22 of the photovoltaic module 20, The wick structure 312 may be provided in a screen, groove, or sintered metal type in which a cross section is formed in a rectangular ring or annular ring shape so as to provide a passage through which the working fluid moves. Photovoltaic module chiller applied to solar power inverter. The method of claim 1, The heat exchanger (32) is a photovoltaic module cooling device applied to a solar energy converter, characterized in that a plurality of heat dissipation fins (321) is provided to widen the area for heat exchange with the cooling water. The method according to any one of claims 1 to 3, The discharge line 34 is connected to a hot water supply device or a heating device to perform a hot water supply or heating by using the hot water discharged from the heat pipe 31, or a solar energy converter characterized in that connected to the heat storage tank for storing thermal energy. Applied photovoltaic module chiller. The method of claim 4, wherein The light collecting unit 10 includes a light collecting member 11 having an upper surface formed as a parabolic and condensing sunlight. The photovoltaic module 20 includes a printed circuit board 22 on which one surface of the plurality of light collecting photovoltaic cells 21 is mounted. The plurality of light-collecting photovoltaic cells 21 are linearly arranged on the centerline of the virtual cylinder extending the parabolic surface to convert the solar light precondensed by the light collector 11 into electricity and heat energy, The printed circuit board 22 is applied to a solar energy converter characterized in that the heat exchange between the plurality of light-collecting photovoltaic cells 21 and the heat pipe 31 is made of a metal material having a thermal conductivity. Photovoltaic modular chiller. The method of claim 4, wherein The condenser 10 includes a plurality of condensing members for condensing sunlight using the principle of a lens or a mirror, The photovoltaic module 20 includes a plurality of condensed photovoltaic cells 21 for converting sunlight focused by the light collecting member into electricity and thermal energy; A photovoltaic module cooling device applied to a solar energy converter, characterized in that it comprises a printed circuit board (22) on which one of the plurality of light collecting photovoltaic cells (21) is mounted. The method of claim 6, wherein the light collecting member Photovoltaic module cooling device applied to a solar energy converter, characterized in that the Fresnel lens (14).

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