KR102525591B1 - Curtain type solar photovoltaic power generating apparatus - Google Patents

Abstract

The present invention relates to a curtain-type photovoltaic device, and specifically, includes a curtain box having an interior space and fixed to an installation surface including at least one of a wall and a ceiling; It is provided in the shape of a panel, and an organic solar cell array for absorbing sunlight to generate DC power is provided on the front side, and a curtain is provided on the rear side with a cover for blocking sunlight from entering the room; and a connector having one end connected to the curtain box and the other end connected to the electrode of the organic solar cell array formed on the upper surface of the curtain.

Description

Curtain type solar power generator {CURTAIN TYPE SOLAR PHOTOVOLTAIC POWER GENERATING APPARATUS}

The present invention relates to a curtain-type photovoltaic device, and specifically, an organic solar cell array is installed on the front side so that photovoltaic power generation is performed, and a curtain having various types of covers on the rear side to block sunlight. It is related to a technology to provide a curtain-type photovoltaic device that can function as a.

Photovoltaic power generation is a power generation method that directly converts sunlight into electrical energy using a plurality of solar cell arrays. It has no pollution such as air pollution, noise, heat, vibration, etc., is relatively easy to maintain, and has a long lifespan. It is in the limelight as an eco-friendly power generation method.

On the other hand, these solar power generation devices are capable of small-scale power generation, so in the past, the government or local governments used to operate them mainly, but gradually, individuals install and operate solar power generation devices on the roofs and verandas of their buildings. Dissemination of devices is becoming commonplace.

For example, in Korean Patent Publication No. 10-2019-0070907, a technology for a veranda solar power generation device installed to be supported on a veranda railing is proposed.

However, in the case of the above-described prior invention, the problem of deteriorating the exterior aesthetics of apartments or buildings due to the photovoltaic power generation device installed on the handrail has been pointed out, and furthermore, an accident in which the coupling between the veranda railing and the photovoltaic device is loosened and falls off. In the case of doing so, there was a problem that there was a high risk of property damage and human damage.

Accordingly, an object of the present invention is to provide a curtain-type solar power generation device that is easy to install, has excellent design and safety by applying an organic solar cell array to the front of a curtain used to block sunlight at home. there is

In addition, the present invention is a curtain-type solar power generation device that can be used as a screen for providing various contents by providing a curtain-type solar power generation device having a structure to which a display can be applied as a rear cover that blocks sunlight. It has another purpose to provide.

In order to achieve the above object, a curtain-type photovoltaic device according to an embodiment of the present invention is a curtain box having an internal space and one side fixed to an installation surface including at least one of a wall and a ceiling. ; It is provided in the shape of a panel, and an organic solar cell array for absorbing sunlight to generate DC power is provided on the front side, and a curtain is provided on the rear side with a cover for blocking sunlight from entering the room; and a connector having one end connected to the curtain box and the other end connected to the electrode of the organic solar cell array formed on the upper surface of the curtain.

The electrodes of the organic solar cell array described above include a first electrode and a second electrode having different polarities, and the connector includes a first connector connected to the first electrode and a second connector connected to the second electrode. It is preferably provided as a pair of connectors including

In addition, the above-described connector is provided with an upper connector connected to the curtain box and a lower connector connected to the electrode of the organic solar cell array, and has a double coupling structure in which one region of the upper connector is fitted and coupled to the lower connector. , A support member of an elastic body having one region bent toward a surface in contact with the lower connector; is embedded, and a fitting groove into which the bent region of the support member is fitted is provided in the lower connector, so that the upper connector and the lower connector are coupled to each other, When a load exceeding a critical load is applied to the connector, it is preferable to disengage the upper connector and the lower connector by disengaging the support member from the fitting groove.

In addition, the above-described curtain box preferably further includes an inverter built into the curtain box to convert DC power generated by the organic solar cell into AC power and output the converted AC power.

In addition, in the inner space of the above-described curtain box, a guide rail provided along the longitudinal direction of the curtain box; And, a rotation assembly that slides along the guide rail and enables rotation of the curtain connected to the connector in the left and right directions; preferably included.

In addition, in one area of the lower surface of the above-described curtain box, two or more open areas divided into different lengths are perforated in multiple stages corresponding to the installation position of the guide rail provided in the inner space, so that the rotation range of the curtain in the left and right directions is increased. It is desirable to limit

In addition, a cable bear installed adjacent to the guide rail and assisting the left and right rotation of the rotation assembly is preferably further included in the inner space of the above-described curtain box.

In addition, the above-described curtain, as a cover provided on the rear side of the curtain, it is preferable to use a cover including at least one of fabric, plastic, and OLED display.

In addition, the curtain-type photovoltaic device described above preferably further includes a display driver connected to an OLED display used as a cover and applying a driving signal to the OLED display.

In addition, the above-described display driver preferably has a built-in communication module supporting short-range wireless communication so that content received from one or more external terminals connected to the communication module can be output to the OLED display.

According to an embodiment of the present invention, by applying the organic solar cell array to curtains installed indoors, the problem of obstructing the aesthetics of the apartment, which is a problem of the existing veranda solar power generation device, and the elimination of the veranda solar power generation device It has an effect of solving problems that cause large-scale accidents in case of accidents and problems inevitably perforating the chassis or wall for the introduction of power lines.

In particular, in the present invention, the cover material provided to block sunlight is provided in various ways such as general fabric, plastic, and OLED display material, so that interior interior effects according to the user's selection can be provided.

In addition, in the present invention, since the OLED display can be used as a cover material as described above, there is an effect that it can be used as a photovoltaic device and a curtain, and can also be used as a screen displaying various informational contents.

In addition, according to an embodiment of the present invention, when a user accidentally pulls the curtain or a child hangs on the curtain as a joke, the connector connecting the curtain to the curtain box is separated into upper and lower parts, making it more secure. There is an effect of being able to provide a curtain-type photovoltaic device that can be used.

1 is a view for showing a detailed structure of a curtain according to an embodiment of the present invention.
2 is a view for showing a schematic coupling form of a curtain-type photovoltaic device according to an embodiment of the present invention.
3 is a view showing an open area provided in multiple stages on a lower surface of a curtain box according to an embodiment of the present invention.
4 to 6 are views for explaining the structure of a connector according to an embodiment of the present invention.
7 is a view schematically illustrating a driving process of a curtain-type photovoltaic device according to an embodiment of the present invention.
8 is a view for showing an installation form of a curtain-type photovoltaic device according to an embodiment of the present invention.

In the following, various embodiments and/or aspects are disclosed with reference now to the drawings. In the following description, for purposes of explanation, numerous specific details are set forth in order to facilitate a general understanding of one or more aspects. However, it will also be appreciated by those skilled in the art that such aspect(s) may be practiced without these specific details. The following description and accompanying drawings describe in detail certain illustrative aspects of one or more aspects. However, these aspects are exemplary and some of the various methods in principle of the various aspects may be used, and the described descriptions are intended to include all such aspects and their equivalents.

References to “embodiment,” “example,” “aspect,” “example,” etc., used in this specification should not be construed as indicating that any aspect or design described is preferable to or advantageous over other aspects or designs. .

Also, the terms "comprises" and/or "comprising" mean that the feature and/or element is present, but excludes the presence or addition of one or more other features, elements and/or groups thereof. It should be understood that it does not.

In addition, terms including ordinal numbers such as first and second may be used to describe various components, but the components are not limited by the terms. These terms are only used for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention. The terms and/or include any combination of a plurality of related recited items or any of a plurality of related recited items.

In addition, in the embodiments of the present invention, unless otherwise defined, all terms used herein, including technical or scientific terms, are those commonly understood by those of ordinary skill in the art to which the present invention belongs. have the same meaning. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the embodiments of the present invention, an ideal or excessively formal meaning not be interpreted as

The present invention relates to a curtain-type photovoltaic device, which is easy to install and has excellent design and safety by applying an organic solar cell array to the front of a curtain used to block sunlight at home. A first object of providing a curtain-type solar power generation device is a rear cover that blocks sunlight, and provides a curtain-type solar power device having a structure to which a display can be applied, thereby providing a screen that provides various contents. A second object is to provide a curtain-type photovoltaic device that can be utilized as a photovoltaic device.

Hereinafter, the present invention having the above object will be described in more detail with reference to the accompanying drawings, and a plurality of drawings will be simultaneously referenced to describe one or more technical features or components constituting the invention.

On the other hand, the curtain-type photovoltaic device described in the present invention may include a curtain box having an internal space and one surface fixed to an installation surface including at least one of a wall and a ceiling.

In this case, the above-described curtain box may be made of a material including at least one of wood, metal, plastic, and synthetic resin, and has a standard including a length corresponding to the total width of one or more curtains to be described later. may be provided.

In addition, the inner space of the above-described curtain box may include a guide rail provided along the length of the curtain box and a rotation assembly that slides along the guide rail and enables rotation of a curtain connected to a connector to be described later in the left and right directions.

At this time, the above-described rotation assembly is a member for transporting a curtain in the left and right directions, which will be described later, and is at least one of a roller wound around a guide rail, a cable connecting the above-described roller and a connector to be described later, and a winding drum for winding the above-described cable. It can be understood as including either.

In addition, in the present invention, a cable bear installed adjacent to the guide rail in the inner space of the curtain box to assist the left and right rotation of the above-described rotation assembly may be further included. By preventing disconnection, there is an effect that can increase the usability of the curtain-type photovoltaic device.

In addition, in a more preferred embodiment of the present invention, the above-described curtain box 30 has two or more open areas 31 partitioned with different lengths in multiple stages corresponding to the installation position of the guide rail provided in the inner space. It may be perforated.

Specifically, it can be seen in FIG. 3 that the above-described open area 31 is perforated on the lower surface of the curtain box 30, and in the present invention, based on the length of the above-described perforated area, for the left and right directions of the curtain It has the effect of being able to limit the range of rotation.

At this time, it will be understood that the perforated area having the shortest length is an area to which a curtain functioning to block sunlight at the outer edge of the window is combined, and the perforated area having the longest length is to block sunlight at the center of the window. It will be understood that the area to which the curtain is coupled.

On the other hand, in the present invention, it is provided in the shape of a panel, but an organic photovoltaic (OPV) array is provided on the front side to generate DC power by absorbing sunlight, and on the rear side to block sunlight entering the room. A curtain equipped with a cover to do so may be included.

Referring to FIG. 1 for a detailed description of this, FIG. 1 shows a detailed structure of the curtain 10, a side cross-sectional view of the organic solar cell array 12 and the cover 11 provided on the front and the upper end of the curtain 10. As the electrode 110 of the organic solar cell array 12 on both sides, it can be seen that the first electrode 112 and the second electrode 111 are formed.

That is, in the present invention, one or more curtains 10 having a structure as shown in FIG. 1 are provided to correspond to the sizes of windows and doors and combined with a curtain box to have an installation structure as shown in FIG. 2, and the curtain 10 and the curtain box ( A detailed description of the coupling structure of 30) will be described later.

On the other hand, the organic solar cell constituting the organic solar cell array described above in the present invention uses an organic base material for each solar cell layer such as a photoactive layer and a charge transport layer of the solar cell to form a substrate/electrode/charge transport layer/photoactive layer/electrode. It can be understood that it is a solar cell manufactured with a basic structure, and the above-described organic solar cell can be manufactured by coating an organic solution such as merocyanine, phthalocyanine, phyllium, and chlorophyll on an inorganic substrate such as a film, and the solution process And a roll-to-roll process is possible, so it can be supplied at a low production cost, and it can be applied to various fields due to a flexible structure like a film.

Therefore, in the present invention, the above-described organic solar cell array may be provided on the front surface of the curtain to absorb sunlight introduced through a window in an indoor space and function to produce DC power by sunlight.

Specifically, the organic solar cell array described above is provided with a diode in which a p-type semiconductor and an n-type semiconductor form a junction, and when sunlight is applied to the diode, excitons, which are pairs of electrons and holes, can be formed.

At this time, the above-described excitons are separated into electrons and holes at the junction of the p-type semiconductor and the n-type semiconductor, the separated electrons are collected at the cathode and the separated holes are collected at the anode, and a potential difference to match the Fermi level occurs At this time, the potential difference generated is called photovoltaic.

That is, in the present invention, it can be understood as a solar power generation device using the photovoltaic power, and preferably, an inverter for converting DC power, which is power generated from the above-described organic solar cell array, into AC power is further included to It can function to transmit converted AC power to the on-site grid.

In addition, the above-described inverter is preferably built into the curtain box and provided in a detachable manner to increase maintenance convenience, but a fixed inverter may also be used, but the present invention is not limited thereto.

Meanwhile, the above-described curtain-type photovoltaic device may include a connector having one end connected to the curtain box and the other end connected to electrodes of the organic solar cell array formed on the upper surface of the curtain.

In this case, the above-described connector may be provided as a pair of connectors to be coupled to the first electrode and the second electrode of the organic solar cell array, respectively. For example, the electrode from which electrons are collected in the above-described organic solar cell array ( cathode) as the first electrode, and the hole-collecting electrode (anode) as the second electrode, the first connector is connected to the first electrode, and the second connector is connected to the second electrode, so that a pair of connectors By this, it is possible to achieve a structure in which the first electrode and the second electrode are electrically connected.

On the other hand, the connector described above in the present invention is preferably provided with an upper connector connected to the curtain box and a lower connector directly connected to the electrode of the organic solar cell array, and a double coupling structure in which one region of the upper connector is fitted into the lower connector It is desirable to achieve

In this case, the above-described upper connector may include a support member of an elastic body having one region bent toward a surface in contact with the lower connector, and references will be made to FIGS.

First, in FIG. 4, a view for showing the form of the lower connector 20 connected to the electrode 110 of the curtain, the upper connector 21, and the support member 210 embedded in the upper connector 21 is shown. did

4 shows a view in which the upper connector 21 is turned upside down, and the empty space inside the upper connector 21 shown in FIG. 4 will be understood as a space for accommodating the electrode 110 of the solar cell array. .

Meanwhile, a support member 210 insertion space for embedding the support member 210 may be provided outside the space for accommodating the electrode 110 of the solar cell array in the upper connector 21 described above.

At this time, the above-described support member 210 is provided with an elastic metal material or a synthetic resin material, and is provided curved to have a predetermined curvature, but the bent portion 211 protrudes outward from one region of the center portion and bends. It may be provided in a shape having, preferably, one or more support members 210 are embedded in the upper connector 21 so that the bent portion 211 of the support member 210 is formed in the opening formed in the upper connector 21 By positioning, it is possible to have a coupling structure in which the bent portion 211 of the support member 210 is exposed to the outside.

That is, the upper connector 21 may be provided with a structure in which a support member 210, in which a portion of the central portion protrudes and is bent toward a surface in contact with the lower connector 20, is embedded.

Meanwhile, referring to FIG. 5 , it can be seen that the coupling structure of the upper connector 21 and the lower connector 20 in which the supporting member is embedded is shown in more detail.

Specifically, A of FIG. 5 shows an example of coupling the upper connector 21 fitted to the lower connector 20, and in B of FIG.

As shown in A and B of FIG. 5, in the present invention, the upper connector 21 is fitted into the lower connector 20, and the bent area of the support member exposed in the upper connector 21 is in the lower connector 20. By providing a fitting groove to be fitted, the upper connector 21 and the lower connector 20 can be coupled to each other by the bent portion 211 of the support member.

At this time, in the present invention, by the connector structure including the support member described above, when a load exceeding the critical load is applied to the connector, the curvature of the support member provided as an elastic body increases and unfolds into a gentle shape. As the bent portion 211 of the support member inserted into the lower connector 20 is separated, a coupling structure may be formed to release the coupling between the upper connector 21 and the lower connector 20 .

That is, as shown in FIG. 6, the present invention can be separated into an upper connector 21 directly connected to the pivot assembly 60 connected to the curtain box and a lower connector 20 directly connected to the upper surface of the curtain 10. In this connection structure, when a user accidentally pulls the curtain 10 or a child hangs on the curtain 10 as a joke, the connector is separated and the system is separated before a system failure due to a strong load is concerned. It has the effect of safely protecting the curtain box, and in addition, it is possible to expect the effect of promoting the safety of the user by preventing the curtain box from falling to the user or a child hanging from the curtain.

On the other hand, as mentioned above, the curtain of the present invention may be provided with a cover for blocking sunlight entering the room on the rear side, in the present invention, as a cover of the above-mentioned curtain, at least any one of fabric, wood, plastic, and OLED display A cover material comprising one may be used.

At this time, it will be understood that the above-described fabric, wood, and plastic are provided to provide an interior effect in the room while achieving the purpose of a curtain to block sunlight, and the above-described OLED display performs the function of a curtain and At the same time, it will be understood that it is provided for the purpose of providing various informational contents to the user.

On the other hand, in the present invention, when an OLED display is adopted as a cover material of a curtain, a display driver connected to the OLED display to apply a driving signal to the OLED display is included as a curtain-type solar power generation device as one component. would be preferable

In addition, in a preferred embodiment of the present invention, the above-described display driver has a communication module supporting short-distance wireless communication built in, so that content received from one or more external terminals connected to the communication module is transmitted to the OLED display used as a cover material. can be output.

As an example, an external terminal connected to the above-described communication module may interwork with a living information or home information system (Home Information System, HIS).

That is, in the present invention, informational content including at least one of weather, time, and real-time news can be output to an OLED display, through which a user can obtain power from a curtain-type solar power generation device, , sunlight can be blocked, and various life information can be easily acquired.

In addition, as another embodiment, an external terminal connected to the above-described communication module may be interlocked with a broadcast receiving terminal to output various TV contents received from the broadcast receiving terminal to an OLED display, thereby enabling installation of a TV separately in an indoor space. Since it is not required, it is possible to provide an effect that can contribute to easily utilizing the indoor space.

In addition, in the present invention, a user terminal may be interlocked with an external terminal connected to the communication module described above. Accordingly, in the present invention, through the mirroring function supported by the user terminal, the user terminal can receive contents such as images and videos and output them to the OLED display.

That is, in the present invention, as the above-described OLED display and communication module are provided, interlocking with various external terminals is possible, and various contents can be output to the OLED display used as a cover material for curtains, thereby increasing user satisfaction. The effect of further improvement can be expected.

At this time, in the above-described embodiments, the OLED display may be implemented in a form in which the entire rear surface of the curtain can be used as a screen, but an OLED display is provided on one area of the rear surface and the other area is combined with fabric, wood, plastic, etc. By doing so, a rear curtain in the form of including an OLED display may be implemented, but the present invention is not limited thereto.

Meanwhile, in FIG. 7, an example of a configuration diagram of a curtain 10 type photovoltaic device to which an OLED display 12 is applied as a cover is shown.

Meanwhile, the organic solar cell 11 absorbs sunlight from the front of the curtain 10 to produce DC power, and the display 12 functions to block sunlight from entering the room from the rear of the curtain 10. At the same time, by receiving the driving signal of the OLED display 12 by the connected display driver 50, it functions to provide various media contents to the user.

In addition, it can be understood that the DC power produced by the above-described organic solar cell 11 is converted into AC power through the provided inverter 40, thereby functioning to transmit AC power to the on-site grid, and thus photovoltaic power generation. By applying the device to the curtain 10, a solar power generation effect by sunlight and a sun blocking effect are provided, and at the same time, various informational contents are provided to the user in the form of a screen. There is an effect of providing a photovoltaic device.

Meanwhile, FIG. 8 shows an image of an indoor state in which a curtain-type photovoltaic device according to an embodiment of the present invention is installed, and as shown in 1000 of FIG. 8, the curtain-type photovoltaic device of the present invention , In addition to having a design that harmoniously blends with the modern interior, the solar cell array on the front absorbs sunlight to produce electricity, and the rear cover blocks sunlight to function as a curtain. By doing so, there is an effect of providing a device capable of concurrently performing the functions of the power generation device and the curtain.

Overall, according to an embodiment of the present invention, the present invention applies an organic solar cell array to a curtain installed indoors, thereby reducing the aesthetic appearance of the apartment, which is a problem of the existing veranda solar power generation device, and the veranda solar power generation device. It has the effect of solving the problem of causing a large-scale accident in case of falling off and the problem of unavoidable perforation of the chassis or wall for the introduction of the power line.

In particular, in the present invention, the cover material provided to block sunlight is provided in various ways such as general fabric, plastic, and OLED display material, so that interior interior effects according to the user's selection can be provided.

In addition, in the present invention, since the OLED display can be used as a cover material as described above, there is an effect that it can be used as a photovoltaic device and a curtain, and can also be used as a screen displaying various informational contents.

In addition, according to an embodiment of the present invention, when a user accidentally pulls the curtain or a child hangs on the curtain as a joke, the connector connecting the curtain to the curtain box is separated into upper and lower parts, making it more secure. There is an effect of being able to provide a curtain-type photovoltaic device that can be used.

As described above, the curtain-type photovoltaic device of the present invention has been described from the embodiments of FIGS. 1 to 8, but the spirit of the present invention is not limited to the embodiments presented herein, and the spirit of the present invention A person skilled in the art who understands may easily suggest other embodiments by addition, change, deletion, addition, etc. of components within the scope of the same concept, but this will also fall within the scope of the present invention.

In addition, terms such as "include", "comprise" or "have" described above mean that the corresponding component may be inherent unless otherwise stated, excluding other components. It should be construed as being able to further include other components. All terms, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, unless defined otherwise. Commonly used terms, such as terms defined in a dictionary, should be interpreted as consistent with the meaning in the context of the related art, and unless explicitly defined in the present invention, they are not interpreted in an ideal or excessively formal meaning.

The above description is merely an example of the technical idea of the present invention, and various modifications and variations can be made to those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention, but to explain, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be construed according to the claims below, and all technical ideas within the equivalent range should be construed as being included in the scope of the present invention.

Claims (10)

In the curtain-type solar power generation device,
A curtain box having an internal space and one side fixed to an installation surface including at least one of a wall and a ceiling;
It is provided in the shape of a panel, but an organic-photovoltaic (OPV) array is provided on the front side to generate DC power by absorbing sunlight, and a cover is provided on the back side to block sunlight from entering the room. curtain; and,
A connector having one end connected to the curtain box and the other end connected to an electrode of the organic solar cell array formed on the upper surface of the curtain,
The connector,
A double coupling structure provided with an upper connector connected to the curtain box and a lower connector connected to an electrode of the organic solar cell array, wherein one region of the upper connector is fitted and coupled to the lower connector,
In the upper connector, a support member of an elastic body having one region bent toward a surface in contact with the lower connector is embedded, and a fitting groove into which the bent region of the support member is inserted is provided in the lower connector, so that the upper connector and the lower connector are coupled to each other,
When a load exceeding a critical load is applied to the connector, as the curvature of the support member provided as an elastic body increases and unfolds into a gentle shape, it is separated from the fitting groove and coupling of the upper connector and the lower connector occurs. to be released,
In the inner space of the curtain box,
a guide rail provided along the longitudinal direction of the curtain box; and,
A rotation assembly that slides along the guide rail and enables rotation of the curtain connected to the connector in the left and right directions;
In one area of the lower surface of the curtain box,
Corresponding to the installation position of the guide rail provided in the inner space, two or more open areas divided into different lengths are perforated in multiple stages, thereby limiting the rotation range of the curtain in the left and right directions, but having the shortest length. The open area is a combined area of curtains that function to block sunlight at the outer edge of the window, and the open area with the longest length is a combined area of curtains that function to block sunlight at the center of the window,
As the cover provided on the rear surface of the curtain,
An OLED display cover may be used,
A display driver connected to the OLED display cover and applying a driving signal to the OLED display; further comprising,
The front side of the curtain absorbs sunlight to produce DC power, and the rear side functions to block sunlight flowing into the room, and at the same time, it can be used as a screen by receiving the drive signal of the OLED display by the connected display driver. A curtain-type photovoltaic device characterized in that there is.
According to claim 1,
The electrode of the organic solar cell array,
It is provided with a first electrode and a second electrode having different polarities,
The connector,
A curtain-type photovoltaic device characterized in that provided as a pair of connectors including a first connector connected to the first electrode and a second connector connected to the second electrode.
delete According to claim 1,
The curtain box,
The curtain-type photovoltaic device further comprising an inverter built into the curtain box and converting the DC power produced by the organic solar cell into AC power and outputting the converted AC power.
delete delete According to claim 1,
In the inner space of the curtain box,
A curtain-type photovoltaic device further comprising a cable bear installed adjacent to the guide rail and assisting the left and right rotation of the rotation assembly.
delete delete According to claim 1,
The display driver has a built-in communication module supporting short-range wireless communication, so that content received from one or more external terminals connected to the communication module can be output to the OLED display. .

Images