CN116397810A - A photovoltaic skylight and its control method - Google Patents

Abstract

The invention discloses a photovoltaic skylight and a control method thereof. The photovoltaic skylight includes a first frame, a second frame, a photovoltaic module, a first drive member, a second drive member, a transmission member and a detection element. The first frame uses To be installed on the roof, the first frame is provided with a first air passage along the upper and lower directions; the second frame is arranged on the upper side of the first frame and is rotatably installed on the first frame, so The second frame is penetrated with a second air duct along the vertical direction, and the second air duct communicates with the first air duct to form a ventilation air duct. The invention aims to solve the problem that the sunroof in the prior art cannot adjust its position according to the intensity of sunlight, so that the ventilation effect cannot be guaranteed, and solar energy is fully utilized for power generation, and the utilization rate of sunlight is low.

Description

A photovoltaic skylight and its control method

technical field

The invention relates to the technical field of skylights, in particular to a photovoltaic skylight and a control method thereof.

Background technique

At present, photovoltaic skylights are widely used in the roofs of various buildings, and the number of them is relatively large, and photovoltaic skylights have the functions of power generation and light transmission at the same time.

In the actual application process, the photovoltaic skylight can only be opened at a certain angle to ensure indoor ventilation, but the photovoltaic skylight cannot adjust its position change according to the intensity of sunlight, so it cannot fully utilize solar energy to generate electricity on the basis of ensuring its ventilation effect. The utilization rate of sunlight is low.

Contents of the invention

The main purpose of the present invention is to provide a photovoltaic skylight and its control method, which aims to solve the problem that the photovoltaic skylight cannot adjust its position according to the intensity of sunlight in the existing technology, so that it cannot be fully utilized on the basis of its ventilation effect. Solar energy is used to generate electricity, and the utilization rate of sunlight is low.

In order to achieve the above object, the present invention proposes a photovoltaic skylight, comprising:

The first frame is used to be installed on the roof, and the first frame is provided with a first air duct along the vertical direction;

The second frame is arranged on the upper side of the first frame and is rotatably mounted on the first frame. Describe the first air duct to form a ventilation duct;

The photovoltaic module includes a sunroof provided with a photovoltaic panel, the sunroof is rotatably mounted on the second frame along a lateral extension axis, and covers or opens the ventilation duct during its movable stroke;

The first driving member includes a first input part and a first output part, the first input part is in transmission connection with the first output part, and the first output part is used to drive the second frame to rotate;

The second driving member includes a second input part and a second output part, the second input part is in transmission connection with the second output part, and the second output part is used to drive the sunroof to rotate; and,

a transmission member, the transmission member has a first state of drivingly connecting the first input part and the second input part, and a second state of disconnecting the driving connection of the first input part and the second input part ;as well as,

A detection element, the detection element is used to detect the light intensity.

Optionally, a first installation platform is arranged in the first air duct;

The first input part includes a transmission rod, the transmission rod extends vertically and is rotatably mounted on the first installation platform, and the transmission rod is sleeved with a first gear;

The first output part includes a gear ring arranged in the second air duct;

Wherein, the first gear is located inside the gear ring and meshes with the tooth structure of the gear ring.

Optionally, a second installation platform is arranged in the second air duct;

The second input part includes a screw, and the screw extends vertically and is rotatably mounted on the second installation platform;

The second output unit includes:

The movable part is movable up and down on the wall of the second air channel, and the lower side of the movable part is provided with a threaded groove, and the threaded groove is used for the screw to be screwed in; and,

a support part, the support part is extended up and down, one end of which is hingedly mounted on the upper side of the movable part, and the other end is hingedly mounted on the lower side of the skylight;

Wherein, when the transmission member is in the first state, it drives to connect the first gear and the screw rod, and when the transmission member is in the second state, it disconnects the connection between the first gear and the screw rod. transmission connection between them.

Optionally, the transmission member includes:

The driving rod extends vertically and is rotatably mounted on the second installation platform;

The mounting plate is installed on the lower side of the driving rod, and a through hole is formed on the top of the driving rod to pass upwards for the driving rod;

The second gear is installed on the upper side of the transmission rod;

The third gear is rotatably mounted on the mounting plate and meshes with the second gear;

a fourth gear rotatably mounted on the mounting plate and meshed with the third gear; and,

Two telescopic rods are respectively arranged on the upper side of the third tooth plate and the fourth tooth plate, and are arranged telescopically along the up and down direction;

Wherein, in the travel path where the mounting plate rotates around the driving rod, the two telescopic rods located on the upper side of the third gear and the fourth gear can respectively correspond to the screw in the up and down direction set up.

Optionally, the mounting plate is transparent.

Optionally, the transmission member further includes a first drive motor, the first drive motor is arranged on the second installation platform, and its output end is connected to the drive rod.

Optionally, the second input unit further includes:

a second driving motor, the second driving motor is arranged on the second installation platform, and its output end extends upward and downward;

a first transmission gear installed at the output end of the second drive motor; and,

The second transmission gear is sleeved on the screw rod and meshed with the first transmission gear.

Optionally, the first input part further includes a third driving motor, the third driving motor is arranged on the first installation platform, and its output end is connected to the transmission rod.

Optionally, the detection element includes a light sensor.

The present invention also proposes a control method for a photovoltaic skylight, comprising the following steps:

Acquiring the detected light intensity information detected by the detection element;

Obtaining the rotation stroke information of the sunroof and the second frame according to the obtained light intensity information, and determining the movement duration information of the sunroof and the second frame;

According to the acquired movement duration information of the sunroof and the second frame, the driving operation of the first input part or the second input part is controlled.

In the technical solution of the present invention, on the basis that the sunroof is rotated to a certain angle to open the ventilation duct, the detection element can acquire real-time sunlight intensity information, and the control device can information to determine the rotation angle of the second frame and the rotation angle of the sunroof, so that the direction of the sunroof can face the angular position of the maximum sunlight intensity detected in real time; wherein, the adjustment of this angle position includes the rotation of the sunroof and the second The joint effect of the rotation of the two frames, the specific adjustment process is as follows:

After the control device determines the rotation angle of the second frame and the rotation angle of the sunroof, the control device can determine the first time period for the sunroof to rotate from the current position to the adjustment position and the time for the second frame to rotate to the adjustment position. The second time length is compared with the first time length and the second time length to determine whether the first time length is less than the second time length, so as to selectively control and drive the second input part or the first input part to work , during the adjustment process, the transmission member is first in the first state, and then in the second state after the sunroof or the second frame moves to the adjustment position, thereby disconnecting the transmission connection, so that the The second frame or the skylight is independently adjusted to the adjustment position, so that the position of the skylight can be changed according to the intensity of sunlight, so as to ensure that the photovoltaic skylight can fully utilize solar energy to generate electricity on the basis of ensuring the ventilation effect of the photovoltaic skylight, and During the adjustment process, synchronous adjustment and independent adjustment of the sunroof and the second frame can be realized, thereby saving adjustment time and making adjustment response faster.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative effort.

Fig. 1 is a schematic structural view of an embodiment of a photovoltaic skylight provided by the present invention;

Fig. 2 is a schematic cross-sectional structure diagram of an embodiment of the photovoltaic skylight provided by the present invention;

Fig. 3 is the schematic diagram of the enlarged structure of place A in Fig. 2;

FIG. 4 is a schematic structural diagram of the mounting plate in FIG. 3 .

Explanation of reference numbers:

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Specific implementation mode Z`

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.

In addition, if there are descriptions involving "first", "second" and so on in the embodiments of the present invention, the descriptions of "first", "second" and so on are only for descriptive purposes, and should not be interpreted as indicating or implying Its relative importance or implicitly indicates the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In addition, the meaning of "and/or" appearing in the whole text includes three parallel schemes, taking "A and/or B" as an example, including scheme A, scheme B, or schemes that both A and B satisfy. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , nor within the scope of protection required by the present invention.

At present, photovoltaic skylights are widely used in the roofs of various buildings, and the number of them is relatively large, and photovoltaic skylights have the functions of power generation and light transmission at the same time.

In the actual application process, the photovoltaic skylight can only be opened at a certain angle to ensure indoor ventilation, but the photovoltaic skylight cannot adjust its position change according to the intensity of sunlight, so it cannot fully utilize solar energy to generate electricity on the basis of ensuring its ventilation effect. The utilization rate of sunlight is low.

In view of this, the present invention proposes a photovoltaic skylight, and FIG. 1 to FIG. 4 are an embodiment of the present invention.

Please refer to Figures 1 to 4, the photovoltaic skylight 100 includes a first frame 1, a second frame 3, a photovoltaic module, a first driving member, a second driving member, a transmission member and a detection element, and the first frame 1 is used for To be installed on the roof, the first frame 1 has a first air duct 2 penetrating up and down; the second frame 3 is arranged on the upper side of the first frame 1 and is rotatably installed on the first On the frame 1, the second frame 3 is penetrated with a second air channel 4 along the up and down direction, and the second air channel 4 communicates with the first air channel 2 to form a ventilation air channel; the photovoltaic module includes a set There is a sunroof 6 with a photovoltaic panel 5, and the sunroof 6 is rotatably installed on the second frame 3 along the horizontal extension axis, and covers or opens the ventilation duct on its movable stroke; the first driving member includes The first input part and the first output part, the first input part is connected to the first output part in transmission, and the first output part is used to drive the second frame 3 to rotate; the second driving part includes The second input part and the second output part, the second input part is connected with the second output part in transmission, and the second output part is used to drive the sunroof 6 to rotate; The first state of the first input part and the second input part, and the second state of disconnecting the transmission connection between the first input part and the second input part; the detection element is used to detect the light intensity.

Wherein, when the transmission member is in the second state, the first input part can drive the first output part through transmission so that the second frame 3 can independently rotate around the first frame 1, and the first The two input parts can drive the second output part through transmission so that the sunroof 6 can rotate independently around the second frame 3; when the transmission part is in the first state, it can be driven by driving the first input part. The first output part and the transmission part and the second input part drive the second output part to work synchronously, and the second output part can also be driven by driving the second input part, and the second output part can be driven by The transmission member and the first input part drive the first output part to work synchronously.

Based on the above analysis, in the technical solution of the present invention, on the basis that the skylight 6 is rotated to a certain angle to open the ventilation duct, the detection element can obtain real-time sunlight intensity information, and control The device can determine the rotation angle of the second frame 3 and the rotation angle of the sunroof 6 according to the acquired intensity information, so that the orientation of the sunroof 6 can face the angular position of the maximum sunlight intensity detected in real time; wherein, this The adjustment of the angular position includes the joint action of the rotation of the sunroof 6 and the rotation of the second frame 3, and the specific adjustment process is as follows:

After the control device determines the rotation angle of the second frame 3 and the rotation angle of the sunroof 6, the control device can determine the first time period for the sunroof 6 to rotate from the current position to the adjustment position, and the rotation angle of the second frame 3 To the second time length of the adjustment position, compare the first time length and the second time length, determine whether the first time length is less than the second time length, so as to select and control the driving of the second input part or the second time length An input part works, and during the adjustment process, the transmission member is first in the first state, and then in the second state after the sunroof 6 or the second frame 3 moves to the adjustment position, thereby breaking Open the transmission connection, so that the second frame 3 or the skylight 6 can be independently adjusted to the adjustment position, so that the position of the skylight 6 can be changed according to the intensity of sunlight, so as to ensure the ventilation effect of the photovoltaic skylight 100 The sunroof 6 and the second frame 3 can be adjusted synchronously and independently during the adjustment process, thereby saving the adjustment time and making the adjustment response faster.

In an embodiment of the present invention, the first time length is less than the second time length for explanation, and when the first time length is less than the second time length, the control device controls the first input unit to work , the transmission part is in the first state, the first input part simultaneously drives the first output part and the second output part to work until the sunroof 6 rotates to an appropriate angle, and then the transmission The component is switched to the second state, and the first input part drives the first output part to work independently, thereby adjusting the rotation position of the second frame 3 .

It can be understood that the photovoltaic panel 5 arranged on the skylight 6 is used to convert solar energy into electrical energy, and the converted electrical energy can also be used as the first input part, the second input part and the control device power input.

In addition, it should be reminded that the first frame 1 described in this embodiment is installed on the roof of the house, and Fig. 1 only shows the overall structure of the photovoltaic skylight 100 without showing the roof structure; and the first The specific installation method of the frame 1 installed on the roof is not limited;

Similarly, in this embodiment, the photovoltaic panel 5 installed on the skylight 6 is a flexible photovoltaic panel, which is directly installed on the skylight 6 without exerting too much pressure on the skylight 6, so that The problem of collapse of the skylight 6 during use can be avoided.

Further, a first installation platform 8 is arranged in the first air duct 2; the first input part includes a transmission rod 9, which is extended vertically and is rotatably mounted on the first installation. On the platform 8, a first gear 10 is sleeved on the transmission rod 9; the first output part includes a gear ring 11 arranged in the second air duct 4; wherein, the first gear 10 is located in the The inner side of the gear ring 11 is engaged with the tooth structure of the gear ring 11 . In this embodiment, since the first gear 10 is rotatably mounted on the first installation platform 8 and rotates with the transmission rod 9, when the transmission rod 9 is driven to rotate, the first The gear 10 cooperates with the gear ring 11 to adjust the angular position of the second frame 3 relative to the first frame 1 .

Further, the second air duct 4 is provided with a second installation platform 12; the second input part includes a screw 13, and the screw 13 is extended vertically and installed on the second installation platform 12 in rotation. Above; the second output part includes a movable part 14 and a supporting part 16, the movable part 14 is arranged on the cavity wall of the second air channel 4 along the vertical direction, and the lower side of the movable part 14 is recessed There is a thread groove 15, and the thread groove 15 is used for screwing in the screw rod 13; the support part 16 is arranged to extend up and down, one end of which is hingedly mounted on the upper side of the movable part 14, and the other end is hingedly mounted on the The lower side of the sunroof 6; wherein, when the transmission member is in the first state, the first gear 10 and the screw 13 are connected by transmission, and when the transmission member is in the second state, it is disconnected The transmission connection between the first gear 10 and the screw 13 . In this embodiment, by rotating the screw rod 13, the mutual cooperation relationship between the screw rod 13 and the thread groove 15 drives the movable part 14 to move up and down, so that the movable part 14 can be hinged to the movable part. The support portion 16 on 14 lifts up the skylight 6 to adjust the rotation angle of the skylight 6 .

It can be understood that, since the first input part includes the transmission rod 9, and the second input part includes the screw rod 13, the transmission part can be connected to the transmission rod 9 and the screw rod 13 to complete the described The first input part is connected with the power of the second input part.

It should be noted that the second frame 3 is rotatably mounted on the first frame 1 , which has a first rotation direction and a second rotation direction, and the skylight 6 is rotatably mounted on the second frame 3 , It has a first rotation direction of upward rotation and a second rotation direction of downward rotation. When the sunroof 6 is adjusted to a proper position, in one embodiment, the sunroof 6 moves toward the first rotation direction, The second frame 3 moves toward the first rotation direction; in another embodiment, the sunroof 6 moves toward the first rotation direction, and the second frame 3 moves toward the second rotation direction; In yet another embodiment, the sunroof 6 moves toward the second rotation direction, and the second frame 3 moves toward the first rotation direction; in yet another embodiment, the skylight 6 moves toward the first rotation direction. Moving in two rotation directions, the second frame 3 moves towards the second rotation direction.

In order to ensure that the transmission member is in the first state, the above four embodiments can be realized, so in a specific embodiment of the present invention, the transmission member includes a drive rod 17, a mounting plate 18 , the second gear 20, the third gear 21, the fourth gear 22, and two telescopic rods 23; the drive rod 17 extends up and down and is installed in rotation on the second mounting platform 12; the mounting plate The member 18 is installed on the lower side of the drive rod 17, and a through hole 19 is provided on the top of the drive rod 9 for the transmission rod 9 to pass upward; the second gear 20 is installed on the top of the transmission rod 9 side; the third gear 21 is rotatably mounted on the mounting plate 18 and meshes with the second gear 20; the fourth gear 22 is rotatably mounted on the mounting plate 18 and meshes with the The third gear 21 meshes; the two telescopic rods 23 are respectively arranged on the upper side of the third tooth plate and the fourth tooth plate, and are arranged telescopically along the up and down direction; wherein, the mounting plate 18 is arranged around the drive In the stroke path of the rotation of the rod 17 , the two telescopic rods 23 located on the upper sides of the third gear 21 and the fourth gear 22 can be arranged correspondingly to the screw rod 13 in the upper and lower directions respectively.

Wherein, the straight-line distance between the third gear 21 and the fourth gear 22 to the driving rod 17 is the same, so when the mounting plate 18 rotates around the driving rod 17, the third gear 21 and the fourth gear 22 can be located on the lower side of the screw 13, and when the corresponding third gear 21 or the fourth gear 22 is located on the lower side of the screw 13, the telescopic rod The member 23 extends upwards to withstand the screw 13, thereby completing the power connection between the screw 13 and the transmission rod 9, and the second gear 20, the third gear 21, the fourth gear 22 meshes sequentially, therefore, the third gear 21 rotates opposite to the second gear 20, the fourth gear 22 rotates in the same direction as the second gear 20, and the third gear 21 and the second gear 20 rotate in the same direction. When the screw rod 13 corresponds up and down, the rotation direction of the screw rod 13 and the transmission rod 9 is opposite. When the fourth gear 22 and the screw rod 13 correspond up and down, the screw rod 13 and the transmission rod 9 9 have the same rotation direction, so that the third gear 21 or the fourth gear 22 can be selected to be set up and down opposite to the screw 13 according to the actual adjustment situation.

It can be understood that since the position of the transmission rod 9 remains unchanged, in order to avoid the interference effect of the transmission rod 9 on the movement of the installation board 18, the installation board 18 is provided with the The hole 19 is used to avoid the transmission rod 9 .

In addition, in order to avoid the shading effect of the installation plate 18 on the light, in an embodiment of the present invention, the installation plate 18 is transparent, so as to prevent the installation plate 18 from affecting the photovoltaic skylight 100 lighting.

Further, in order to drive the driving rod 17 to move, in an embodiment of the present invention, the transmission part further includes a first driving motor 24, and the first driving motor 24 is arranged on the second installation platform 12 , and its output end is connected to the drive rod 17. That is, in this embodiment, the first driving motor 24 is directly connected to the driving rod 17 to drive the driving rod 17 to rotate.

Further, in order to drive the screw 13 to rotate, in an embodiment of the present invention, the second input part further includes a second drive motor 25, a first transmission gear 26 and a second transmission gear 27, the second The drive motor 25 is arranged on the second installation platform 12, and its output end extends upward and downward; the first transmission gear 26 is installed on the output end of the second drive motor 25; the second transmission gear 27 is sleeved on the screw rod 13 and meshed with the first transmission gear 26 . That is, in this embodiment, the screw rod 13 is driven to rotate by the second drive motor 25 and the cooperation between the first transmission gear 26 and the second transmission gear 27, thereby avoiding the The second drive motor 25 is directly connected to the screw rod 13, which makes installation inconvenient.

Furthermore, in order to drive the transmission rod to rotate, in an embodiment of the present invention, the first input part further includes a third drive motor 28, and the third drive motor 28 is arranged on the first installation platform 8, and its output end is connected to the transmission rod 9. That is, in this embodiment, the third drive motor 28 is directly connected to the transmission rod 9 to drive the transmission rod 9 to rotate.

Further, the detection element includes an illumination sensor. That is, in this embodiment, the illumination sensor is used to detect the illumination intensity.

The present invention also proposes a control method for the photovoltaic skylight 100, which includes the following steps:

Step S1: Obtain the detected light intensity information detected by the detection element;

Step S2: Obtain the rotation stroke information of the sunroof 6 and the second frame 3 according to the obtained light intensity information, and determine the movement duration information of the sunroof 6 and the second frame 3;

Step S3: According to the acquired movement duration information of the sunroof 6 and the second frame 3, control the driving operation of the first input part or the second input part.

Wherein, on the basis that the sunroof 6 is rotated to a certain angle to open the ventilation duct, the detection element can acquire real-time sunlight intensity information, and the control device can determine the first solar light intensity information according to the acquired intensity information. The angle of rotation of the second frame 3 and the angle of rotation of the skylight 6, so that the direction of the skylight 6 can face the maximum angular position of the real-time detected sunlight intensity; wherein, the adjustment of this angle position includes the rotation of the skylight 6 and the second The joint effect of the rotation of frame 3, the specific adjustment process is as follows:

After the control device determines the rotation angle of the second frame 3 and the rotation angle of the sunroof 6, the control device can determine the first time period for the sunroof 6 to rotate from the current position to the adjustment position, and the rotation angle of the second frame 3 To the second time length of the adjustment position, compare the first time length and the second time length, determine whether the first time length is less than the second time length, so as to select and control the driving of the second input part or the second time length An input part works, and during the adjustment process, the transmission member is first in the first state, and then in the second state after the sunroof 6 or the second frame 3 moves to the adjustment position, thereby breaking Open the transmission connection, so that the second frame 3 or the skylight 6 can be independently adjusted to the adjustment position, so that the position of the skylight 6 can be changed according to the intensity of sunlight, so as to ensure the ventilation effect of the photovoltaic skylight 100 The sunroof 6 and the second frame 3 can be adjusted synchronously and independently during the adjustment process, thereby saving the adjustment time and making the adjustment response faster.

The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Under the conception of the present invention, the equivalent structural transformation made by using the description of the present invention and the contents of the accompanying drawings, or directly/indirectly used in other related All technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. A photovoltaic skylight, comprising:

the first frame is used for being installed on a roof, and a first air duct is formed in the first frame in a penetrating mode along the up-down direction;

the second frame is arranged on the upper side of the first frame and rotatably installed on the first frame, a second air channel is formed in the second frame in a penetrating mode along the up-down direction, and the second air channel is communicated with the first air channel to form a ventilation air channel;

the photovoltaic assembly comprises a skylight provided with a photovoltaic plate, the skylight is rotatably arranged on the second frame along a transverse extending axis, and the ventilation air duct is covered or opened on the movable stroke of the skylight;

the first driving piece comprises a first input part and a first output part, the first input part is in transmission connection with the first output part, and the first output part is used for driving the second frame to rotate;

the second driving piece comprises a second input part and a second output part, the second input part is in transmission connection with the second output part, and the second output part is used for driving the skylight to rotate; the method comprises the steps of,

the transmission piece is provided with a first state for connecting the first input part and the second input part in a transmission way and a second state for disconnecting the first input part and the second input part in a transmission way; the method comprises the steps of,

and the detection element is used for detecting the illumination intensity.

2. The photovoltaic skylight of claim 1, wherein a first mounting stage is disposed within the first air duct;

the first input part comprises a transmission rod which extends up and down and is rotatably arranged on the first mounting table, and a first gear is sleeved on the transmission rod;

the first output part comprises a toothed ring arranged in the second air duct;

the first gear is positioned on the inner side of the toothed ring and meshed with the tooth-shaped structure of the toothed ring.

3. The photovoltaic skylight of claim 2, wherein a second mounting stage is disposed within the second air duct;

the second input part comprises a screw rod which extends up and down and is rotatably arranged on the second mounting table;

the second output section includes:

the movable part is movably arranged on the cavity wall of the second air duct along the up-down direction, and a thread groove is concavely arranged on the lower side of the movable part and is used for screwing the screw rod in; the method comprises the steps of,

the supporting part extends up and down, one end of the supporting part is hinged to the upper side of the movable part, and the other end of the supporting part is hinged to the lower side of the skylight;

when the transmission piece is in the first state, the first gear is in transmission connection with the screw rod, and when the transmission piece is in the second state, the transmission connection between the first gear and the screw rod is disconnected.

4. The photovoltaic skylight of claim 3, wherein the transmission comprises:

the driving rod extends vertically and is rotatably arranged on the second mounting table;

the mounting plate is mounted on the lower side of the driving rod, and a through hole is formed in the upper edge of the mounting plate in a penetrating manner in the up-down direction and is used for enabling the transmission rod to penetrate upwards;

the second gear is arranged on the upper side of the transmission rod;

a third gear rotatably mounted on the mounting plate and engaged with the second gear;

a fourth gear rotatably mounted on the mounting plate and engaged with the third gear; the method comprises the steps of,

the two telescopic rod pieces are respectively arranged on the upper sides of the third toothed plate and the fourth toothed plate and are arranged in a telescopic way along the up-down direction;

in the travel path of the mounting plate rotating around the driving rod, two telescopic rods positioned on the upper sides of the third gear and the fourth gear can be respectively and correspondingly arranged with the screw rod in the up-down direction.

5. The photovoltaic skylight of claim 4, wherein the mounting plate is transparent.

6. The photovoltaic skylight of claim 4, wherein the transmission further comprises a first drive motor disposed on the second mounting stage and having an output end coupled to the drive rod.

7. The photovoltaic skylight of claim 3, wherein the second input further comprises:

the second driving motor is arranged on the second mounting table, and the output end of the second driving motor extends upwards and downwards;

the first transmission gear is arranged at the output end of the second driving motor; the method comprises the steps of,

the second transmission gear is sleeved on the screw rod and meshed with the first transmission gear.

8. The photovoltaic skylight of claim 2, wherein the first input further comprises a third drive motor disposed on the first mount and having an output coupled to the drive rod.

9. The photovoltaic skylight of claim 1, wherein the detection element comprises an illumination sensor.

10. A control method based on a photovoltaic skylight according to any one of claims 1 to 9, characterized by comprising the steps of:

acquiring the detected illumination intensity information detected by the detection element;

acquiring the skylight and the rotation travel information of the second frame according to the acquired illumination intensity information, and determining the movement duration information of the skylight and the second frame;

and controlling the first input part or the second input part to drive work according to the acquired movement time information of the skylight and the second frame.

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