JP3305777B2 - Light / heat combined panel - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solar cell panel on which a solar cell is mounted and a thermoelectric element panel on which a thermoelectric element is mounted. The thermoelectric element is driven by electric power generated by the solar cell. The present invention relates to a combined light / heat panel that radiates or absorbs heat from the surface of a thermoelectric element panel.

[0002]

2. Description of the Related Art In a conventional light / heat composite panel of this type, even though both panels are electrically integrated, they are not thermally integrated. That is, thermal exchange between the solar cell panel and the thermoelectric element panel has not been performed.

[0003]

SUMMARY OF THE INVENTION The above-described conventional light / light
The heat composite panel has a problem in that heat generated when the thermoelectric element panel absorbs heat stays between the two panels, and the conversion efficiency of the solar cell and the heat efficiency of the thermoelectric element at this time are poor.

The present invention has been made in view of the above, and provides an optical / thermal combined panel capable of improving the conversion efficiency of a solar cell of a solar cell panel and the thermal efficiency of a thermoelectric element of a thermoelectric element panel. It is intended for.

[0005]

In order to achieve the above object, a combined light / heat panel according to the present invention comprises a solar cell panel 1 having a plurality of solar cells 4 arranged in a plane direction,
The thermoelectric element panel 2 provided in plurality planar direction, is spaced opposite each backside Rutotomoni, the thermoelectric and each solar cell
The elements are individually opposed to each other to form an integral structure, and between the back side of each solar cell 4 and the back side of the thermoelectric element 7 of both panels 1 and 2, air passes through the inside and Allowing heat conduction between the battery 4 and the thermoelectric element 7 ;
One side is part of the back side of the solar cell, the other side is a thermoelectric element
Heat exchange fins 9 in contact with the entire back surface of the
In addition, a blower is provided between one of the panels 1 and 2 at one end of a space defined by the heat exchange fins 9.

[0006]

[Operation] Exhausted heat of the solar cell 4 of the solar cell panel 1 is radiated by the heat exchange fins 9 and is released from the back side of the thermoelectric element 7 when the surface of the thermoelectric element panel 2 absorbs heat. Heat is also radiated by the heat exchange fins 9. On the other hand, on the back side of the thermoelectric element 7 when the heat is radiated on the front side of the thermoelectric element panel 2, the solar cell 4
Heat is absorbed. Further, an airflow is generated by the blower in the space between the panels 1 and 2.

[0007]

[Embodiment] An embodiment of the present invention will be described with reference to the drawings. FIG. 1 schematically shows a unit component of a light / heat composite panel according to the present invention. In FIG.
Numeral 2 denotes a thermoelectric element panel, and both panels 1 and 2 are provided integrally with a gap L therebetween. The solar cell panel 1 includes a transparent front cover 3 made of glass or the like on the front side, a solar cell 4 attached to the back of the front cover 3, and a heat insulating material 5 surrounding the solar cell 4. I have. The thermoelectric element panel 2 includes a heat exchange plate 6 on the front side thereof, a thermoelectric element 7 disposed on the back side of the heat exchange plate 6, and a heat insulating material 8 surrounding the thermoelectric element 7.

The panels 1 and 2 are arranged side by side so that the solar cells 4 of one panel 1 and the thermoelectric elements 7 of the other panel 2 face each other. In the space between the panels 1 and 2 , as shown in FIG.
Back side of each solar cell 4 and back of thermoelectric element 7 facing each other
Between the sides, air passes through the inside, and the solar cell 4 and
Heat conduction between the thermoelectric elements 7 and one side
Is a part of the back surface of the solar cell 4, and the other side is a thermoelectric element 7.
Heat exchange fins 9 are interposed in contact with the entire rear surface . A blower (not shown) is provided at one end of the space, and an air flow is generated in the space. The heat exchange fins 9 are as described above.
A normal fin structure may be used in which each end face is brought into contact with the solar cell 4 and the thermoelectric element 7 so that heat is satisfactorily conducted therefrom and air passes through the inside. As shown in FIG. 2, both side plates 9a, 9
b is divided by a number of partition plates 10,
Both side plates 9a and 9b are in contact with solar cell 4 and thermoelectric element 7,
Air flows between the partition plates 10.

Although the configuration described in the above embodiment has been described with respect to a unit component portion composed of one solar cell 4 and one thermoelectric element 7, when actually used, each of the panels 1 and 2 is sized to cover a required area. it is, each of the planar direction to the solar cell 4 at a predetermined interval density, the thermoelectric element 7, it
These are arranged so as to individually oppose each other .
And each solar cell 4 and the thermoelectric element 7 are connected in series, and the output side of the solar battery 4 are electrically connected via a predetermined electric circuit 11 to the input side of the thermoelectric element 7.

In the light / heat composite panel having the above structure, the solar cell panel 1 is installed outside the room, and the thermoelectric element panel 2 is installed facing the room. When sunlight shines on the solar cell panel 1 in this state, DC power is generated in each solar cell 4. This DC power is applied to each thermoelectric element 7 of the thermoelectric element panel 2 via the electric circuit 11. At this time, the electric circuit mechanism 11 is switched in a direction of absorbing heat on the front side (indoor side) and radiating heat on the back side (outdoor side) of each thermoelectric element 7 and applying the DC power, thereby obtaining the surface of the thermoelectric element panel 2. The heat exchange plate 6 arranged on the side is cooled, and the room is cooled by radiant heat absorption.

The electric circuit 11 is reversed to reverse the direction of current flow to the thermoelectric elements 7 to dissipate heat on the front side (indoor side) of each heat element 7 and on the back side (outdoor side).
And the room is heated by the thermoelectric element panel 2.

In the above operation, the back side of the solar cell panel 1, especially the back side of each solar cell 4, is heated by solar heat, and this heat is conducted to each heat exchange fin 9 to be exhausted. On the other hand, when the thermoelectric element panel 2 is cooling the room, heat is radiated on the back side of each thermoelectric element 7,
This heat is conducted to each of the heat exchange fins 9 and discharged. At this time, an air flow is generated in the space between the panels 1 and 2 by the blower. When this air flow passes through the heat exchange fins 9, the heat generated in the solar cells 4 and the thermoelectric elements 7 is radiated to the air flow through the heat exchange fins 9. Then, the radiated air is guided to the outside of the room by appropriate means, and is discharged to the atmosphere side.

When the thermoelectric element panel 2 is heating the room, heat is absorbed on the back side of each thermoelectric element 7 and radiated on the front side. Also at this time, the back side of the solar cell 4 is heated and the heat is conducted by the heat exchange fins 9. The exhaust heat of the solar cell 4 is generated together with the heat of the air between the panels 1 and 2. Heat is absorbed by the element 7. At this time, both panels 1,
Although there may be no airflow in the inner space 2, if the amount of heat exhausted by the solar cell 4 is larger than the amount of heat absorbed by the thermoelectric element 7, an airflow is generated by a blower to exhaust heat, and this exhausted heat air is appropriately cooled. The heating effect is promoted by directing into the room by means.

[0014]

According to the present invention, the solar cell 4 of the solar cell panel 1 and the thermoelectric element 7 of the thermoelectric element panel 2 are opposed to each other through the heat exchange fins 9 so that the solar cell panel 1 The back side of the solar cell 4 is always cooled by the heat exchange fins 9 and the conversion efficiency of the solar cell 4 is improved.
Further, since a forced air flow is generated by the blower in the space between the panels 1 and 2, the conversion efficiency of the solar cell during the cooling operation can be further improved.
Further, when the exhaust heat of the solar cell 4 is larger than the amount of heat absorbed by the thermoelectric element 7 during the heating operation, a forced air flow is generated by a blower in the space between the panels 1 and 2. By guiding this air flow into the room, the indoor heating effect can be promoted. In the case of a cooling action in which heat is absorbed on the front side of the thermoelectric element panel 2, the back side of the thermoelectric element 7 rises in temperature, but this heat is exhausted by the heat exchange fins 9 in the same manner as described above. In the case of a heating action in which heat is radiated on the surface side of the thermoelectric element panel 7, the back side of the thermoelectric element 7 can absorb the exhaust heat from the solar cell 4 via the heat exchange fins 9, thereby absorbing the thermoelectric element panel 2. The thermal efficiency of the thermoelectric element 7 can be improved when any of (cooling) or heat radiation (heating) is performed. Further, by using the combined light / heat panel according to the present invention, it is possible to obtain a very compact, thin, and energy-saving cooling / heating device.

[Brief description of the drawings]

FIG. 1 is a sectional view schematically showing an embodiment of the present invention.

FIG. 2 is a cross-sectional view illustrating an example of a cross-sectional shape of a heat exchange fin.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Solar cell panel, 2 ... Thermoelectric element panel, 3 ... Front cover, 4 ... Solar cell, 5, 8 ... Heat insulation material, 6 ... Heat exchange plate, 7 ... Thermoelectric element, 9 ... Heat exchange fin, 11 ... Electricity circuit.

Claims (1)

(57) [Claims] 1. A solar cell panel 1 provided with a large number of solar cells 4 in a plane direction and a thermoelectric element panel 2 provided with a large number of thermoelectric elements 7 in a plane direction, with their respective back sides separated and opposed.
At the same time, each solar cell and each thermoelectric element
An integral shaped configuration Te, between the rear portion of the rear portion and the thermoelectric element 7 of the solar cell 4 that face each other of the two panels 1 and 2, an internal with passage of air, the solar cell 4 and the thermoelectric element 7 Heat conduction between each other , one side is the back side of the solar cell
Of the thermoelectric element and the other side
A light having a heat exchange fin 9 in contact therewith and a blower provided between one of the panels 1 and 2 at one end of a space defined by the heat exchange fin 9.・ Thermal composite panel.