TWI420682B - Photoelectric conversion device - Google Patents

Description

Photoelectric conversion device

The present invention relates to a photoelectric energy conversion device, and more particularly to a photoelectric conversion device having a modularization.

In the prior art, the photoelectric conversion device is composed of a lens and a photoelectric conversion unit, for example, the lens is used to focus the light source on the photoelectric conversion unit. Generally, the photoelectric conversion unit is made of a semiconductor material, and the photoelectric conversion unit is formed on a substrate in a process, and then the lens is used for photoelectric conversion. However, since the above-described photoelectric conversion device is usually disposed in an external environment, the photoelectric conversion device may be affected by external environmental factors, so that the photoelectric conversion device is thus damaged, and whether all or part of the photoelectric conversion unit is damaged, It is still necessary to replace the entire photoelectric conversion device. In addition, it is worth noting that, in the prior art, the lens is directly exposed to the external environment, and the lens generally has a low hardness and is more susceptible to damage due to the material relationship.

An object of the present invention is to provide a photoelectric conversion device, which is a receiving unit corresponding to a lens module, respectively, for converting light energy of a light source into electric energy.

Another object of the present invention is to provide a photoelectric conversion device in which the lens module forms the lens units having a pitch arrangement by a plurality of studs.

A further object of the present invention is to provide a photoelectric conversion device, wherein a plurality of studs on a lens module provide the gap between the lens unit of the lens module and the tempered glass layer, and make the filling The highly transparent colloid between the gaps has a fixed height.

To achieve the above and other objects, the present invention provides a photoelectric conversion device for converting light energy of a light source into electrical energy, which comprises a tempered glass layer, a lens module, a substrate, and a heat dissipation module. The lens module has a plurality of lens units disposed on one side of the tempered glass layer, and a gap is formed between the lens units and the tempered glass layer by a plurality of studs, and the gap is formed It is filled with a highly transparent colloid. The substrate has a plurality of receiving units, and the receiving units are arranged corresponding to the lens unit. The heat dissipating unit is disposed on one side of the substrate for providing heat dissipation of the receiving units. The light can pass through the tempered glass layer and then be focused on the receiving units via the lens module, so that the receiving units are converted into the electrical energy.

Compared with the prior art, the photoelectric conversion device of the present invention has a high modularity property, so that when a certain portion of the lens is damaged, it is easy to replace only the damaged portion of the lens. In addition, the lens is intimately bonded to the tempered glass layer through the stud and the colloid, so that the photoelectric conversion device has high durability. Furthermore, by disposing the heat dissipating unit on the side of the substrate having the receiving unit to solve the problem of thermal energy generated during photoelectric conversion, the service life of the photoelectric conversion device can be effectively improved.

In order to fully understand the objects, features and advantages of the present invention, the present invention will be described in detail with reference to the accompanying drawings. A schematic diagram of a photoelectric conversion device. In the present embodiment, the photoelectric conversion device 10 is configured to convert light energy of a light source LS into electrical energy, for example, the light source is the sun. The photoelectric conversion device 10 includes a tempered glass layer 12 , a lens module 14 , a substrate 16 , and a heat dissipation unit 18 . The tempered glass layer 12 is used to increase the hardness of the surface of the photoelectric conversion device 10 while protecting the lens module 14. The lens module 14 has a plurality of lens units 142, and the lens units 142 are disposed on one side of the strengthened glass layer 12, and the plurality of lens units 142 and the strengthened glass layer 12 are separated by a plurality of The stud 144 forms a gap Gp, and the gap Gp fills the high transparent colloid Rub. It should be noted that, since the protrusions 144 have a fixed height, such that the high transparent colloid Rub fills the gap Gp, the thickness of the high transparent colloid Rub is the same as the height of the protrusions 144, and closely The lens module 14 and the tempered glass layer 12 are bonded. Furthermore, the highly transparent colloidal Rub has a high coefficient of transparency for allowing the light energy of the light source LS to penetrate the high transparent colloid Rub with minimal loss of energy, and the high transparent colloid Rub It also has a low coefficient of thermal expansion to reduce the thermal expansion caused by the light energy penetrating the high transparent colloid Rub. Preferably, the highly transparent colloidal Rub has a thickness of less than 1 millimeter (mm). The substrate 16 has a plurality of receiving units 162, and the receiving units 162 are respectively disposed corresponding to the lens units 142, such that the receiving units 162 receive the light energy from the corresponding lens unit 142 and convert the light into the electric energy. . Preferably, the receiving units 162 of the substrate 16 are respectively disposed at the focal positions of the lens units 142 or adjacent to the focus positions of the lens units 142, and the light energy from the lens units 142 is separately collected. The receiving units 162 are configured to achieve optimal photoelectric conversion efficiency of the receiving units 162. The heat dissipating unit 18 is disposed on one side of the substrate 16 for providing heat energy generated when the receiving unit 162 converts light energy from the lens units 142.

Referring to Fig. 2, there is shown a detailed schematic diagram of a lens module of the photoelectric conversion device of Fig. 1. In the present embodiment, the lens module 14 is composed of a plurality of lens units 142, and the lens units 142 form the lens units 142 having a pitch arrangement by a plurality of protrusions 144, and the lens units 142 has a concentrating characteristic for concentrating (or focusing) a light source incident on one side of the lens unit 142 in a certain area on the other side of the lens unit 142, for example, concentrating a light source as described above. In the corresponding receiving unit 162, the purpose is to effectively concentrate the light energy on the receiving units 162, so that the receiving unit 142 can obtain the best light energy input before the conversion.

Furthermore, a tempered glass layer 12 is bonded to the other side of the studs 144 for protecting the lens units 142. As shown in FIG. 3, it is used to solve the problem that the lens units 142 are insufficient in hardness. The damage, which in turn affects the conversion efficiency of the photoelectric, for example, the lens unit 142 is susceptible to the weather change of the sun and rain due to being placed in the external environment, causing damage to the surface, resulting in a decrease in photoelectric conversion efficiency. In addition, the tempered glass layer 12 and the lens units 142 pass through the protrusions 144 to have a gap Gp, and the gap Gp is filled with the high transparent colloid Rub having a high penetration coefficient and a low coefficient of thermal expansion. In addition to reducing the interference diffraction phenomenon that may be generated by the light source caused by the gap Gp being transmitted to the lens unit 142 via the tempered glass layer 12, the tempered glass layer 12 and the lens unit 142 may be closely attached to In one embodiment, the highly transparent colloid has a thickness of less than 1 millimeter (mm).

Referring to Fig. 4, there is shown a detailed schematic diagram of the photoelectric conversion device of Fig. 1. In the present embodiment, the photoelectric conversion device 10 of the first embodiment is composed of a plurality of photoelectric conversion devices 10' for modular installation. When the photoelectric conversion device 10' is damaged, it can be replaced separately. The photoelectric conversion device 10' does not need to replace the entire photoelectric conversion device 10. In addition, when the receiving unit 162 of the photoelectric conversion device 10' performs photoelectric conversion, thermal energy is generated, and the thermal energy is likely to affect the efficiency of conversion and the service life of any component in the photoelectric conversion device, so the reception is performed. One side of the substrate of the unit 162 is provided with a heat dissipating unit 18' for providing heat dissipation of the receiving units 162, as shown in FIG. In one embodiment, the heat dissipating unit 18' is composed of a plurality of columnar heat dissipating bodies, wherein the columnar heat dissipating system may be cylindrical, rectangular column or other columnar.

Compared with the prior art, the photoelectric conversion device of the present invention has a high modularity property, so that when a certain portion of the lens is damaged, it is easy to replace only the damaged portion of the lens. In addition, the lens is intimately bonded to the tempered glass layer through the stud and the colloid, so that the photoelectric conversion device has high durability. Furthermore, by disposing the heat dissipating unit on the side of the substrate having the receiving unit to solve the problem of thermal energy generated during photoelectric conversion, the service life of the photoelectric conversion device can be effectively improved.

The invention has been described above in terms of the preferred embodiments, and it should be understood by those skilled in the art that the present invention is not intended to limit the scope of the invention. It should be noted that variations and permutations equivalent to those of the embodiments are intended to be included within the scope of the present invention. Therefore, the scope of the invention is defined by the scope of the following claims.

10, 10’. . . Photoelectric conversion device

LS. . . light source

12. . . Tempered glass layer

14‧‧‧ lens module

142‧‧‧ lens unit

144‧‧‧Bump

16‧‧‧Substrate

162‧‧‧ receiving unit

18, 18’‧‧‧ Heat Dissipation Unit

Gp‧‧‧ gap

Rub‧‧‧High transparent colloid

1 is a schematic view of a photoelectric conversion device according to an embodiment of the present invention;

2 is a detailed schematic view for explaining a lens module of the photoelectric conversion device of FIG. 1;

Figure 3 is a detailed schematic view for further explaining the lens module of the photoelectric conversion device of Figure 2;

Figure 4 is a detailed schematic view for explaining the photoelectric conversion device of Figure 1;

Fig. 5 is a detailed schematic view for explaining the photoelectric conversion device of Fig. 1.

10. . . Photoelectric conversion device

LS. . . light source

12. . . Tempered glass layer

14. . . Lens module

142. . . Lens unit

144. . . Tab

16. . . Substrate

162. . . Receiving unit

18. . . Cooling unit

Gp. . . gap

Rub. . . Highly transparent colloid

Claims (8)

A photoelectric conversion device for converting light energy of a light source into an electric energy, comprising: a tempered glass layer; a lens module having a plurality of lens units, wherein the lens units are disposed on the tempered glass One of the layers, and each of the lens units and the tempered glass layer forms a plurality of gaps by a plurality of studs, and the gaps are filled with a high transparent colloid; and a substrate has a plurality of receiving units, And each of the receiving units is disposed corresponding to each of the lens units; and a heat dissipating unit is disposed on one side of the substrate for providing heat dissipation of the receiving units; wherein the light can pass through the tempered glass layer, The lens module is then focused on the receiving units such that the receiving units convert to the electrical energy. The photoelectric conversion device of claim 1, wherein the lens module forms the lens units with a pitch arrangement by the protrusions. The photoelectric conversion device of claim 2, wherein the pillars provide the gap between the lens unit and the strengthened glass layer. The photoelectric conversion device of claim 2, wherein the stud is provided with the high transparent colloid having the same height in the gap. The photoelectric conversion device of claim 1, wherein the receiving units of the substrate are respectively disposed at a focus position of the lens units or a focus position adjacent to the lens units. The photoelectric conversion device of claim 1, wherein the heat dissipation unit is composed of a plurality of columnar heat sinks. The photoelectric conversion device of claim 1, wherein the high transparent adhesive system has a high coefficient of transparency and a coefficient of thermal expansion. The photoelectric conversion device of claim 1, wherein the high transparent colloid has a thickness of less than 1 millimeter (mm).