KR20240105067A - A light shelf system that combines a segmented PV and a cooling/heating radiant panel - Google Patents

Abstract

The present invention increases the daylighting effect by controlling the angle of reflection that reflects sunlight incident on the ceiling through a reflective panel unit containing a solar cell implemented in a segmented form, and provides radiant heat for cooling or heating through a heat medium, thereby generating heat. This relates to a light shelf system that combines segmented solar cells and heating and cooling radiant panels that can control the environment.
The light shelf system combining a segmented solar cell and a heating and cooling radiant panel according to the present invention is installed adjacent to a window or door through which sunlight enters, and includes a reflective panel unit that reflects sunlight to the ceiling, and a lower part of the reflective panel unit. It is formed in and includes a radiation panel unit provided with a heat medium flow pipe through which a cooled or heated heat medium flows, and the reflective panel unit is formed by arranging a plurality of reflective panels that are segmented and each rotatable.

Description

{A light shelf system that combines a segmented PV and a cooling/heating radiant panel}

The present invention relates to a light shelf system combining a segmented solar panel and a heating and cooling radiant panel, and more specifically, to a reflection angle that reflects sunlight incident on the ceiling through a reflective panel unit including solar cells implemented in a segmented form. This relates to a light shelf system that combines segmented solar cells and heating and cooling radiant panels that can control the lighting effect and control the thermal environment by providing radiant heat for cooling or heating through a heat medium.

As the level of culture has recently improved, the demand for qualitative improvement in architectural space is increasing.

In an effort to meet these demands, technologies are being developed to introduce natural light indoors. Introducing natural light indoors not only saves energy but also provides a bright and comfortable indoor environment. Through this, residents' living efficiency can be improved, which has a positive psychological and physiological impact on residents.

In order to introduce natural light into the indoor space, conventionally, windows were installed where necessary in the building to allow natural light to flow into the indoor space.

However, when natural light flows into the indoor space through a window, the daylight illuminance near the window becomes excessively high, while the daylight illuminance at a place far from the window is low, so artificial lighting is necessary.

In this way, light shelves are used to solve problems that occur when natural light flows into indoor spaces only through windows.

A light shelf is a shelf-shaped device that reflects natural light flowing into a room to the ceiling and uses it as indoor lighting. Research, development, and commercialization are being conducted from the perspective of improving the light environment and reducing lighting energy with the main purpose of improving natural lighting performance.

However, there is a risk of cooling load in the summer due to solar radiation energy flowing into the light shelf, and there is a limit that the utilization of the outer space may decrease due to the installation of the light shelf.

In addition, in order to use the light shelf more efficiently, it is necessary to be able to control the amount of natural light flowing into the room depending on the environment such as external illumination, but in most cases, the light shelf is fixed and cannot be manipulated separately. Even if the light shelf can be manipulated, since a method of adjusting the height or angle is used, a separate adjusting device is needed to adjust the height or angle, which has the disadvantage of complicating the overall structure.

Moreover, in the case of the conventional light shelf, there is a limitation that it only performs the role of increasing indoor illumination and cannot perform the cooling and heating function of controlling the indoor thermal environment such as the inner or outer periphery.

Korean Patent Publication No. 10-2056933: Height-adjustable light shelf Korean Patent Publication No. 10-2305552: Solar power generation light shelf

The present invention was created to solve the above problems, and is a radiant panel that reflects sunlight entering the room to the ceiling, expands the irradiation range of the sunlight entering the room, improves daylighting performance, and allows the heat medium to pass through. The purpose is to provide a light shelf system that combines segmented solar cells and heating and cooling radiant panels that can control the thermal environment such as indoor temperature.

Another object of the present invention is to provide a light shelf system that combines a segmented solar cell and a heating and cooling radiant panel, where the reflection panel unit for reflecting sunlight is made of a segmented panel and can control the reflection range of sunlight in various ways.

The light shelf system combining a segmented solar cell and a heating and cooling radiant panel according to the present invention is installed adjacent to a window or door through which sunlight enters, and includes a reflective panel unit that reflects sunlight to the ceiling, and a lower part of the reflective panel unit. It is formed in and includes a radiation panel unit provided with a heat medium flow pipe through which a cooled or heated heat medium flows, and the reflective panel unit is formed by arranging a plurality of reflective panels that are segmented and each rotatable.

Preferably, the reflective panels of the reflective panel unit each include reflectors that reflect sunlight, and solar cells that are alternately disposed between the reflectors and generate electricity through sunlight.

The reflective panel unit may include a panel rotation drive unit for rotating each of the reflective panels at a predetermined angle.

The reflective panel unit includes a first panel frame, panel rotation axes extending parallel to the first panel frame in one direction and spaced apart from each other at a predetermined distance, and reflective panels each supported on the panel rotation axes, The panel rotation drive unit includes a worm wheel installed on the panel rotation axes, and worms installed on the first panel frame in a direction crossing the panel rotation axes and engaged with the worm wheel, so as to correspond to the position of the worm wheel along the longitudinal direction. It is desirable to include a driving rod.

The radiation panel unit includes a second panel frame and a heat medium flow pipe installed inside the second panel frame through which a heat medium flows.

It may further include a heat conduction layer that secures the heat medium flow pipe to the second panel frame and dissipates cold or warm air generated in the heat medium flow pipe through the entire lower surface of the radiant panel unit.

Ventilation holes are formed on one side and the other side of the second panel frame to allow air to pass through the interior of the second panel frame, and one of the ventilation holes on one side and the other side allows indoor air to flow into the interior of the second panel frame. A blowing fan may be further provided to circulate air so that it can pass through and be cooled or heated by the heat medium flow pipe and then discharged.

The heat medium flow pipe may be formed by extending one pipe in a zigzag shape from one side of the second panel frame to the other side.

The heat medium flow pipe includes a supply pipe entering the inside of the second panel frame, a recovery pipe extending from the inside of the second panel frame to the outside, and a plurality of connection pipes connecting the supply pipe and the recovery pipe, and are connected in parallel. It can be formed in this way.

It may further include a heat medium temperature control unit that supplies and recovers the heat medium passing through the heat medium flow pipe and cools or heats the heat medium, and may be configured to supply electricity generated by the solar cell as driving power of the heat medium temperature control unit.

The light shelf system combining segmented solar cells and heating and cooling radiant panels of the present invention has the basic effect of improving natural lighting performance by reflecting sunlight toward the ceiling, as well as cooling the indoor space through a radiant panel unit through which a cooled or heated heat medium passes. Alternatively, there is an effect of controlling the thermal environment by radiation of thermal energy for heating.

In addition, the light shelf system combining a segmented solar cell and a heating/cooling radiant panel of the present invention supplies operating power to the constant temperature control unit for cooling or heating the heat medium through the solar cell, and the reflective panel unit is formed in a segmented form to provide sunlight. There is an advantage that the reflection area can be controlled in more diverse ways.

1 is a conceptual diagram of a light shelf system combining segmented solar cells and heating and cooling radiant panels according to the present invention;
Figure 2 is a perspective view showing an embodiment of a light shelf system combining segmented solar cells and heating and cooling radiant panels of the present invention;
Figure 3 is a cross-sectional view of a light shelf system combining the segmented solar cells of Figure 2 and heating and cooling radiant panels;
Figure 4 is a perspective view of a partial excerpt of the panel driving part of the light shelf system combining the segmented solar cell and heating and cooling radiant panel of Figure 2;
Figure 5 is a conceptual diagram conceptually showing light reflection by a reflective panel unit formed in a segmented light shelf system combining a segmented solar cell and a heating and cooling radiant panel of the present invention;
Figure 6 is a conceptual diagram showing air circulation by a blowing fan;
Figure 7 is a conceptual diagram showing the adjustment of the reflection angle according to the change in the solar incident angle of the light shelf system combining segmented solar cells and heating and cooling radiant panels;
Figure 8 is a perspective view of an embodiment in which heat medium flow pipes of a radiant panel unit of a light shelf system combining segmented solar cells and heating and cooling radiant panels are arranged in series connection;
Figure 9 is a perspective view of an embodiment in which heat medium flow pipes of a radiant panel unit of a light shelf system combining segmented solar cells and heating and cooling radiant panels are arranged in parallel connection.
Figure 10 is a block diagram of the configuration and operation of a heat medium supply means for supplying heat medium to the radiation panel unit.

Hereinafter, a light shelf system combining a segmented solar cell and a heating and cooling radiant panel according to an embodiment of the present invention will be described in detail with reference to the attached drawings. Since the present invention can be subject to various changes and can have various forms, specific embodiments will be illustrated in the drawings and described in detail in the text. However, this is not intended to limit the present invention to a specific disclosed form, and should be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present invention. While describing each drawing, similar reference numerals are used for similar components. In the attached drawings, the dimensions of the structures are enlarged from the actual size for clarity of the present invention.

Terms such as first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, a first component may be named a second component without departing from the scope of the present invention, and similarly, the second component may also be named a first component.

The terms used in this application are only used to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as “comprise” or “have” are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as generally understood by a person of ordinary skill in the technical field to which the present invention pertains. Terms defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and unless explicitly defined in the present application, should not be interpreted in an ideal or excessively formal sense. No.

As shown in Figure 1, the light shelf system (10, hereinafter referred to as 'light shelf system') combining a segmented solar cell and a heating and cooling radiant panel according to the present invention is installed on the inside of a window through which sunlight enters to generate solar energy. It is designed to increase natural lighting performance by reflecting it toward the ceiling.

Of course, the light shelf system 10 of the present invention can be installed not only on windows and doors but also at various points where lighting is available, and can be installed not only indoors but also outdoors, but the light shelf system of the present invention is a radiant panel for controlling the indoor thermal environment. Since it includes the unit 200, it is preferably installed indoors.

Referring to Figures 2 and 3, the light shelf system 10 includes a reflection panel unit 100 for reflecting sunlight to the ceiling, and a radiation panel unit 200 formed at the lower part of the reflection panel unit 100. do.

The reflective panel unit 100 is designed to increase the lighting effect indoors by reflecting incident sunlight toward the ceiling, and includes a first panel frame 110, a panel rotation axis 120, a reflective panel 130, and a solar cell 132. ) and a panel rotation drive unit 140.

The first panel frame 110 is formed in a rectangular border shape and has an open upper surface so that a reflective panel 130, which will be described later, can be rotatably coupled thereto. The first panel frame 110 is installed on the wall of an indoor space adjacent to a window, and is fastened so that the other side can rotate up and down around one side connected to the wall, so that it is attached to the reflective panel 130 as shown in FIG. 7. It can be formed to control the angle of reflection of sunlight.

A plurality of panel rotation axes 120 are provided on the first panel frame 110 to extend in one direction. The panel rotation axes 120 are arranged to be spaced apart from each other at regular intervals along a direction intersecting the extension direction.

The reflective panels 130 are each connected to the panel rotation axis 120 and are connected so that they can rotate integrally with the panel rotation axis 120 as the panel rotation axis 120 rotates. The reflective panel 130 can be rotated ±90 degrees relative to the horizontal state by the panel rotation axis 120, and when the reflective panel 130 is rotated, the edge of the reflective panel 130 and the first panel frame ( 110), the distance between the bottom of the first panel frame 110 and the panel rotation axis 120 is preferably formed to be relatively longer than half the width of the reflective panel 130.

The reflective panel 130 has a flat upper surface and includes reflectors 131 that reflect sunlight, and solar cells 132 alternately disposed between the reflectors 131. Therefore, the light shelf system 10 of the present invention reflects incident sunlight to increase lighting performance and at the same time generates electricity through sunlight to provide driving power for the heat medium temperature control unit 500 for cooling or heating the heat medium, which will be described later. supplied by

The panel rotation drive unit 140 is for driving the panel rotation axis 120 to rotate, and as shown in FIG. 4, there is a worm wheel 141 installed on the panel rotation axis 120 and the panel rotation axis 120 horizontally. A drive rod 142 in which worms 143, which are installed on the first panel frame 110 in a direction and engage with the worm wheel 141, are formed to correspond to the position of the worm wheel 141 along the longitudinal direction. Includes.

A worm wheel 141 is installed on one side of the panel rotation axis 120, and a drive rod 142 is installed on the first panel frame 110 to extend along a direction intersecting the extension direction of the panel rotation axis 120. , a worm 143 engaged with each of the worm wheels 141 is formed on the drive rod 142, so that the worm 143 rotates the worm wheel 141 by rotation of the drive rod 142, thereby rotating the panel rotation axis ( 120) rotation is possible.

Although not shown, the panel rotation axis 120 may be provided with a stopper to limit rotation to only ±90 degrees based on when the upper surface of the reflective panel 130 is horizontal. The stopper may be formed in the form of a protrusion extending from the worm wheel 141 or the panel rotation axis 120 and a locking member extending from the first panel frame 110 to prevent the protrusion from rotating beyond a set angle.

The driving rod 142 is provided with a handle 144 at one end exposed to the outside of the first panel frame 110, so that the manager holds the handle 144 and turns the driving rod 142 to change the angle of the reflective panel 130. can be adjusted. In this embodiment, a handle 144 is shown that the manager holds and rotates by hand in order to rotate the drive rod 142, but the reflective panel 130 is automatically rotated at a set angle for a set time by the drive motor. It can also be implemented so that it can be done.

In the reflective panel unit 100 of this embodiment, the reflective panel 130 is formed in a segmented form so that the angle can be adjusted, so sunlight can be reflected at more diverse angles than when it is integrated as shown in FIG. Mining efficiency is maximized.

To this end, the bottom surface of the reflective panel 130 and the bottom surface of the first panel frame 110 are also formed to reflect light.

The radiation panel unit 200 is used to manage the thermal environment of indoor space.

As shown in Figures 2 and 3, the radiation panel unit 200 is provided at the lower part of the reflection panel unit 100, and includes a second panel frame 210, a heat medium flow pipe 220, a heat conduction layer 230, and a blower. Includes fan 240.

The second panel frame 210 provides an installation space where the heat medium flow pipe 220 can be installed and is formed in a square frame shape to correspond to the first panel frame 110. Additionally, ventilation holes 211 through which air can circulate are provided on one side and the other side, and a blowing fan 240 is provided on one side of the ventilation holes 211.

The heat medium flow pipe 220 is installed inside the second panel frame 210 so that the heat medium cooled or heated by the heat medium temperature control unit 500 can be supplied and pass through the inside.

The heat medium flow pipe 220 can be configured in a series or parallel piping configuration. As shown in FIG. 8, one pipe extends in a zigzag shape inside the second panel frame 210 and then connects to the second panel frame. It may extend outside of (210).

The serial heating medium flow pipe 220 has a simple configuration, so there is little risk of leakage of the heating medium. However, since the heating medium flows through one pipe, the positive charge (head loss) increases, and heat loss causes heat loss within the heating medium flow pipe 110. There is a disadvantage in that a temperature deviation occurs between the early and latter parts of 220, and therefore, a regional temperature deviation occurs on the lower surface of the radiation panel unit 200.

As shown in FIG. 9, the parallel heat medium flow pipe 220 includes a supply pipe 221 entering the inside of the second panel frame 210, and a supply pipe 221 extending from the inside of the second panel frame 210 to the outside. It may be configured to include a recovery pipe 223 and a plurality of connection pipes 222 connecting the supply pipe 221 and the recovery pipe 223.

The parallel type heat medium flow pipe 220 has a somewhat complicated configuration, so there is a risk of water leakage, but as the heat medium flows through several connection pipes 222, the head is lowered and the temperature deviation in each area of the bottom of the radiant panel due to heat loss is relatively low. There are few advantages.

Therefore, the heat medium flow pipe 220 can be configured in series or parallel as needed.

The heat conduction layer 230 is installed inside the second panel frame 210 to cover the heat medium flow pipe. Since the heat energy of the heat medium flowing through the heat medium flow pipe is conducted through the heat conduction layer 230, the lower surface of the radiation panel unit 200 Radiant heat is emitted evenly.

In the summer, the radiant panel unit 200 performs heat exchange to lower the indoor temperature by supplying a cooled heat medium. Conversely, in the winter, when a heated heat medium is supplied, radiant heat is emitted to increase the indoor temperature.

The radiation panel unit 200 induces indoor air to circulate through the interior of the radiation panel unit 200 through the blowing fan 240, and the air flowing into the radiation panel unit 200 flows through the heat medium flow pipe. By being cooled or heated by a flowing heat medium, it can operate more effectively in controlling the indoor thermal environment.

The heat medium flowing through the heat medium flow pipe 220 may be cooled or heated in the heat medium temperature control unit 500 and then supplied to flow through the heat medium flow pipe 220 by the heat medium supply pump 510. The control unit 400 controls the operation of the heating medium temperature control unit 500 through the temperature sensor 410 that measures the temperature of the heating medium. The heat medium that has passed through the heat medium flow pipe 220 is recovered back to the heat medium temperature control unit 500 through the recovery line 520 and reused. The heat medium can be water or other various fluids that can store and dissipate heat energy. .

The light shelf system 10 of the present invention described above increases lighting efficiency by reflecting sunlight toward the ceiling from the reflective panel unit 100 and supplies the heat medium flowing through the radiation panel unit 200 in a cooled or heated state. This allows you to control the indoor thermal environment.

In particular, the power generated from the solar cell 132 provided in the reflective panel unit 100 is charged in the battery 300 and is supplied as the driving power to the heat medium temperature control unit 500 used to cool or heat the heat medium. Power costs due to system operation can be reduced. In addition, since the reflective panel 130 of the reflective panel unit 100 is formed in a segmented form, it is easy to adjust the angle, and as the reflection angle of sunlight extends to a wider area, daylighting performance increases.

The description of the presented embodiments is provided to enable any person skilled in the art to use or practice the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments without departing from the scope of the invention. Thus, the present invention is not limited to the embodiments presented herein, but is to be construed in the broadest scope consistent with the principles and novel features presented herein.

10: Light shelf system combining segmented solar cells and heating and cooling radiant panels
100: Reflective panel unit
110: first panel frame 120: panel rotation axis
130: reflective panel 131: reflective portion
132: solar cell 140: panel rotation drive unit
141: worm wheel 142: driving rod
143: Worm 144: Handle
200: Copy panel unit
210: second panel frame 211: ventilation hole
220: heat medium flow pipe 221: supply pipe
222: connector 223: recovery pipe
230: heat conduction layer 240: blowing fan
300: Battery
400: Control unit
410: Temperature sensor
500: Heat medium temperature control unit
510: heat medium supply pump 520: recovery line

Claims (10)

A reflective panel unit installed adjacent to a window or door through which sunlight enters and reflects sunlight to the ceiling;
It is formed below the reflective panel unit and includes a radiation panel unit provided with a heat medium flow pipe through which a cooled or heated heat medium flows,
The reflective panel unit is characterized in that it is formed by arranging a plurality of reflective panels that are segmented and each rotatable.
A light shelf system that combines segmented solar cells and heating and cooling radiant panels. According to clause 1,
The reflective panels of the reflective panel unit each include reflectors that reflect sunlight, and solar cells that are alternately disposed between the reflectors and generate electricity through sunlight.
A light shelf system that combines segmented solar cells and heating and cooling radiant panels. According to clause 1,
The reflective panel unit is characterized in that it includes a panel rotation drive unit for rotating each of the reflective panels at a predetermined angle.
A light shelf system that combines segmented solar cells and heating and cooling radiant panels. According to clause 3,
The reflective panel unit is
A first panel frame,
Panel rotation axes extending in parallel in one direction on the first panel frame and spaced apart from each other at a predetermined distance;
Includes reflective panels each supported on the panel rotation axis,
The panel rotation drive unit is
A worm wheel installed on the panel rotation axes,
Characterized in that it is installed on the first panel frame in a direction crossing the panel rotation axes and includes a drive rod in which worms engaged with the worm wheel are formed to correspond to the position of the worm wheel along the longitudinal direction.
A light shelf system that combines segmented solar cells and heating and cooling radiant panels. According to claim 1,
The radiation panel unit is
A second panel frame,
It is installed inside the second panel frame and includes a heat medium flow pipe through which the heat medium flows.
A light shelf system that combines segmented solar cells and heating and cooling radiant panels. According to clause 5,
Further comprising a heat conduction layer that secures the heat medium flow pipe to the second panel frame and allows cold or warm air generated in the heat medium flow pipe to be radiated through the entire lower surface of the radiant panel unit.
A light shelf system that combines segmented solar cells and heating and cooling radiant panels. According to clause 5,
Ventilation holes are formed on one side and the other side of the second panel frame to allow air to pass through the interior of the second panel frame, respectively,
One of the ventilation holes on one side and the other side is equipped with a blowing fan that circulates the indoor air so that it can pass through the inside of the second panel frame and be cooled or heated by the heat medium flow pipe and then discharged.
A light shelf system that combines segmented solar cells and heating and cooling radiant panels. According to clause 5,
The heat medium flow pipe is characterized in that one pipe is formed by extending in a zigzag shape from one side of the second panel frame to the other side.
A light shelf system that combines segmented solar cells and heating and cooling radiant panels. According to clause 5,
The heat medium flow pipe is connected in parallel, including a supply pipe entering the inside of the second panel frame, a recovery pipe extending from the inside of the second panel frame to the outside, and a plurality of connection pipes connecting the supply pipe and the recovery pipe. Characterized by being formed in a manner
A light shelf system that combines segmented solar cells and heating and cooling radiant panels. According to clause 2,
Further comprising a heat medium temperature control unit that supplies and recovers heat medium passing through the heat medium flow pipe and cools or heats the heat medium,
Characterized in that the electricity generated by the solar cell is supplied to the driving power of the heat medium temperature control unit.
A light shelf system that combines segmented solar cells and heating and cooling radiant panels.

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