CN219659610U - Bench type solar cell and solar power supply device - Google Patents

Abstract

The present utility model relates to a mesa solar cell and a solar power supply device. All or most of side plates of the table-shaped solar cell are solar cell panels, are rectangular and are in upward inclined postures, are connected into a table-shaped structure with a large lower part and a small upper part through a cell panel frame, side baffles are arranged between adjacent side plates, the solar cell panel arranged on the strong illumination side face is a crystalline silicon solar cell panel, and the solar cell panel arranged on the weak illumination side face is a thin film solar cell panel. One or more table-shaped solar cells are fixedly arranged on the upright post of the solar power supply device, the solar cells are distributed alternately up and down, and a wind driven generator and other devices can be arranged on the upright post. The utility model improves the capability of the solar cell for acquiring and utilizing solar energy on the basis of avoiding excessively complicated structure.

Description

Bench type solar cell and solar power supply device

Technical Field

The present utility model relates to a mesa-shaped solar cell and a solar power supply device using the same.

Background

Existing solar panels are generally flat, horizontally, vertically or obliquely arranged. For example, chinese patent document CN218032927U discloses a solar energy LED street lamp battery package assembly, which comprises a lamp post, lamp pole upper portion one side is provided with the lamp arm, and the lamp arm end is provided with the LED lamp holder, the lamp pole top still is provided with solar cell panel group structure, solar cell panel group structure level sets up, including the fixed bottom plate that is fixed in the lamp pole top, be provided with storage battery on the bottom plate, bottom plate and battery outside cover have the planking, the planking top is provided with solar cell panel. However, since the irradiation angle of the sun is varied, it is not guaranteed that the solar cell panel can be oriented to the sun at all times regardless of the orientation of the solar cell panel.

In order to optimize the orientation of the solar panel in real time, the solar panel can be set to be rotatable, the direction of sunlight is sensed in real time through the sensing device, the rotation of the solar panel (panel bracket) is automatically controlled according to the sensing signal, so that the solar panel can face upward in real time to face the direction of the sun, and a system for sensing the direction of the sunlight and enabling the solar panel (panel bracket) to rotate along with the sun according to the sensing signal can be called a sun-by-sun system. For example, chinese patent document CN217769992U discloses a power generation device capable of adjusting the light receiving angle of a photovoltaic panel, wherein the bottom end of a base cylinder is fixedly connected through a concrete foundation, a support column is mounted at the top end of the base cylinder, a sleeve is axially and limitedly mounted on the support column through a bearing, a gear disc is fixedly mounted on the sleeve, a motor is mounted on the support column, the motor is connected with the gear disc through a gear transmission, a cross beam is transversely mounted on the sleeve, the photovoltaic panel is obliquely mounted on the cross beam, and the motor is connected with an electric cabinet; the photovoltaic panel is connected with the distribution box through the inverter, and supplies power to electric equipment through the distribution box; the photovoltaic panel can be turned and adjusted, so that the solar cell panel faces the sun as much as possible, the solar energy receiving efficiency is improved, the electricity generation rate is improved, the laying amount of the photovoltaic panel can be reduced, and the equipment cost and the land occupation are reduced on the premise of the same electricity generation. Chinese patent document CN110061689a discloses an automatic sun-tracking solar power generation system, which comprises a temperature sensing device, a hydraulic control device, a rotary sun-tracking device and a solar panel, wherein the solar panel is arranged at the top of the rotary sun-tracking device and is arranged in an eastern upward direction in an initial state, the temperature sensing device and the hydraulic control device are arranged into an integrated structure and are fixedly arranged at the rear of the north side of the solar panel in the initial state, the hydraulic control device is communicated with the rotary sun-tracking device, the temperature sensing device is used for converting a temperature signal into a rotation signal and driving the hydraulic control device to operate, the hydraulic control device is used for supplying hydraulic oil to the rotary sun-tracking device and driving the solar panel to automatically rotate clockwise from east to west; the temperature sensing device comprises a light capturing mechanism, a telescopic lifting mechanism, a first reset mechanism and a rotation triggering mechanism, wherein the telescopic end of the lifting mechanism is connected with the rotation triggering mechanism, the lifting mechanism is arranged in a shortening state and an extending state which can be switched mutually, the initial state is the shortening state, the light capturing mechanism is used for detecting the rise of the ambient temperature and driving the lifting mechanism to switch to the extending state, after the ambient temperature is reduced, the first reset mechanism is used for driving the lifting mechanism to reset and switch to the shortening state, the lifting mechanism extends outwards and shortens inwards to be an operation period, the rotation triggering mechanism is triggered once in the period, and the rotation triggering mechanism is used for driving the hydraulic control device to operate. The power generation system is ingenious in structure and simple in principle, after the temperature sensor arranged on the right side of the solar cell panel is shielded by the solar cell panel, the temperature change of the temperature sensor can enable the hydraulic controller to be triggered automatically, the hydraulic controller controls the rotating shaft provided with the solar cell panel to rotate gradually from east to west, the solar cell panel can be opposite to solar rays all the time, and the solar cell panel capturing efficiency of the solar rays is improved. However, with the arrangement of the daily system, the complexity of the power generation system is obviously increased, the manufacturing cost is increased, and the added mechanical and induction control parts and the original parts belong to different technical fields or are required to adopt components with different properties, so that the maintenance cost and the requirements on the technical scope of maintenance personnel are obviously increased.

Disclosure of Invention

The utility model aims to improve the capability of a solar cell for acquiring and utilizing solar energy on the basis of avoiding excessively complicated construction.

The technical scheme of the utility model is as follows: the solar cell comprises a table-shaped solar cell body, wherein a plurality of side plates are arranged, each side plate is rectangular and is in an upward inclined posture, the side plates are connected into a table-shaped structure with a large bottom and a small top through a cell panel frame, each side plate is respectively positioned on different sides of the table-shaped structure, and all or most of the side plates are solar cell panels.

Further, side baffles are arranged between the adjacent side plates, and are triangular or trapezoidal to close triangular or trapezoidal gaps between the adjacent side plates.

Preferably, the upper edges of the side plates are positioned on the same horizontal plane, and the straight line of the side plates encloses a horizontal polygon.

Preferably, the lower edges of the side plates are positioned on the same horizontal plane, and the straight line of the side plates also encloses a horizontal polygon.

Preferably, the battery panel frame adopts a frame structure, and is provided with lateral mounting structures corresponding to the lateral sides of the table-shaped structure respectively, and the lateral plates positioned on the corresponding sides are mounted.

Preferably, the battery panel frame is provided with a plane frame, the number of the plane frames is at least two, the battery panel frame comprises an upper frame and a lower frame, the upper frame and the lower frame are respectively provided with an outer frame for installing a side plate, the outer frame is polygonal similar to the cross section appearance of the table-shaped structure, and the upper part and the lower part of the side plate are respectively fixedly connected to the outer frames of the upper frame and the lower frame.

Optionally, the battery panel frame is provided with inner frames corresponding to the outer frames respectively, the inner frames are coaxial with the corresponding outer frames, and the inner frames are fixedly connected with the corresponding outer frames through a plurality of radial connecting rods; or the battery plate frame is provided with upright rods coaxial with the outer frames, and the outer frames are fixedly connected with the upright rods through a plurality of radial connecting rods; or, the battery plate frame is provided with inner frames corresponding to the outer frames respectively, and is also provided with vertical rods coaxial with the outer frames, the inner frames are coaxial with the corresponding outer frames, the inner frames are fixedly connected with the corresponding outer frames through a plurality of radial connecting rods, each inner frame is sleeved on the vertical rods, and at least the inner frames positioned at the top and the bottom of the battery plate frame are fixedly connected with the vertical rods.

Further, the solar cell panel arranged on the strong illumination side face is a crystalline silicon solar cell panel, and the solar cell panel arranged on the weak illumination side face is a thin film solar cell panel.

The solar power supply device is provided with a stand column and a solar cell fixedly arranged on the stand column, wherein the solar cell adopts any one of the table-shaped solar cells disclosed by the utility model, and the table-shaped solar cell is fixedly sleeved on the stand column.

The number of the solar cells may be one or a plurality of the solar cells. When the number of the solar cells is multiple, the solar cells are distributed on the upright posts at intervals up and down.

The beneficial effects of the utility model are as follows: because a plurality of solar cell panels with different orientations are adopted to combine solar cells, each solar cell panel is obliquely arranged and is in a upward-leaning posture, no matter in which direction sunlight irradiates, the solar cell panel well faces the sun, under the condition that space occupation is similar, the solar energy received by the solar cell is basically the same as that of a flat-plate solar cell provided with a sun-by-sun system, and therefore, the acquisition of the solar energy can still be effectively ensured under the condition that the sun-by-sun system is omitted; because the forward windward area of the component is small, incoming wind in any direction can more easily bypass from two sides of the column, compared with a flat-plate-shaped solar cell with similar space occupation, the wind pressure born by the component under the condition that the wind direction is unfavorable (the situation that the incoming wind faces the large surface of the flat-plate-shaped solar cell) is obviously reduced, and the wind resistance is improved; because the crystalline silicon (abbreviated as crystalline silicon) solar panel is arranged in the strong light direction, and the thin film solar panel is arranged in the weak light direction, the solar panel can be better adapted to the power generation characteristics of the solar panel, the effective utilization rate of solar energy is further improved, and the power generation capacity is improved.

The solar cell is favorable for acquiring and utilizing the solar energy, increases the generating capacity, has strong wind resistance, simple structure and convenient maintenance, and can be used for various adaptive solar power generation facilities, in particular to a solar power generation/supply device based on a column structure (the installation basis of the solar cell).

Drawings

Fig. 1 is a schematic view of a configuration of a mesa-shaped solar cell according to the present utility model;

fig. 2 is a schematic view showing the construction of another mesa-shaped solar cell according to the present utility model;

fig. 3 is a schematic top view of a mesa solar cell corresponding to fig. 2;

fig. 4 is a schematic view of a solar power supply device according to the present utility model.

Detailed Description

Referring to fig. 1-4, the solar cell of the present utility model is formed by connecting a plurality of side plates together by a cell plate frame to form a structure having an outline similar to a mesa shape, which may be referred to as a mesa structure, or a mesa assembly.

The side plates incline from top to bottom to outside and take an inclined posture that the front face (light receiving face) is upward inclined, so that the lower part of the table-shaped structure is large and small.

The side plates are respectively positioned on different sides of the table-shaped structure, and all or most of the side plates are solar panels to form a table-shaped solar cell (solar panel group).

If the light intensity of part of the side surface of the table-shaped structure is very weak, a solar cell panel can be omitted, and side plates made of other materials can be adopted. Holes can be formed in the plate surfaces of the side plates made of other materials, and holes can be formed in the plate surfaces, for example, hole plates or plate-shaped pieces taking silk screens as main body parts are adopted, so that ventilation and heat dissipation are facilitated.

Under the background of the prior art, the side face facing north in use can be free of a solar panel, so that unnecessary cost is saved. However, the solar cell panel may be provided on all sides based on convenience in production or for a side that does not face north in actual use.

According to different light receiving conditions of different side surfaces, the proper solar cell panel can be respectively selected for the different side surfaces. In the background of the prior art, the solar panel disposed on the strong illumination side (the side with strong illumination intensity) of the mesa structure is preferably a crystalline silicon solar panel 11, and the solar panel disposed on the weak illumination side (the side with weak illumination intensity) of the mesa structure is preferably a thin film solar panel 16 (the panels such as CIGS solar cell, gaAs solar cell, gaSb solar cell, gaInP solar cell and amorphous silicon solar cell are used). For example, in the embodiment shown in fig. 2 and 3 (the direction in fig. 3 is north-south), three side plates are provided on the mesa structure, and this mesa structure may be referred to as a three-sided mesa structure (a mesa having three sides or three side plates is a three-sided mesa, the transition surface between the sides on which the side shields are located is not a mesa, and so on), solar panels are all provided on the three sides, the side plate facing the south-right is a crystalline silicon solar panel, and the other two side plates facing the northeast and northwest are both thin film solar panels. In the embodiment shown in fig. 1, the mesa structure is also a three-sided mesa structure, one side faces north-positive, and the other two side faces south-positive are respectively south-east and south-west, and the side plates facing north-positive are amorphous silicon solar panels, or a common plate without solar power generation capability is adopted, and the two side plates facing south-east and south-west are both crystalline silicon solar panels. These two embodiments are only some of the embodiments provided for the solar panel, and are exemplary. In practice, the power generation characteristics of the solar cell panel may be appropriately selected according to the local actual situation and various alternatives.

The side plates can be fixedly arranged on the battery plate frame or can be arranged in a door type. Generally, at least a portion of the side plates are mounted on the battery panel frame in a fixed manner to improve overall strength. In a suitable case, there may be a part of the side plates mounted on the battery panel frame in a door-type mounting (or referred to as door-type connection), that is, a connection with the battery panel frame which is openable and closable like a door and can be fixed in a closed state, for example, one side is hinged (provided with a hinge) to a corresponding portion of the battery panel frame, and the other side is provided with a lock or latch device, in which case the table structure may be used as an electric box, and suitable circuits and other components and the like may be provided inside the table structure.

Because each curb plate all is the rectangle, no matter whether the adjacent side top of adjacent curb plate contacts each other (can direct contact, also can leave certain interval), all have a triangle-shaped or trapezoidal clearance between the adjacent side of adjacent curb plate. Side baffles 14 are arranged between the adjacent side plates and are also arranged on the battery plate frame, and can be fixedly connected or connected in a door type. The side baffles are triangular or trapezoidal, and close (or block or cover or seal) the triangular or trapezoidal gaps between the adjacent side plates, so that the appearance of the platform-shaped structure is similar to a platform shape formed by cutting the prismatic platform with each side baffle as a section, the platform shape can be called a prismatic cutting prismatic platform, and the corresponding platform-shaped structure (platform-shaped assembly) is called a prismatic cutting prismatic platform structure (prismatic cutting prismatic platform assembly).

The main body part of the side baffle can adopt an orifice plate (a plate with holes) or a silk screen, so that ventilation can be ensured, and small animals such as external objects or birds can be prevented from entering from the side. If necessary, a top baffle and a bottom baffle are also arranged at the top and the bottom of the table-shaped structure respectively so as to block the openings at the top and the bottom of the table-shaped structure.

Side guards (and side, top, bottom, etc.) with the wire mesh as the main body may be provided with a frame to secure the wire mesh and facilitate installation on the battery panel rack. The aforementioned plate-like member using a wire net as a main body portion serving as a side plate may also adopt such a configuration.

According to actual needs, the side plates with the same length and width can be adopted, the side plates with different lengths and/or different widths can be arranged, and accordingly, the inclination angles (the included angle between the side plates and the vertical straight line) of the side plates can be the same or different from each other.

The upper edge (upper edge) of each side plate is set on the same horizontal plane, and the lower edge (lower edge) is set on the same horizontal plane, thereby forming the top and bottom of the mesa structure.

The upper edges are directly connected into a horizontal polygon, and when the upper edges are not directly connected (a gap is reserved between the adjacent upper edges), the straight lines where the upper edges are positioned enclose the horizontal polygon. Gaps are reserved between adjacent lower edges, so that a polygon formed by direct connection cannot be formed, but a horizontal polygon is enclosed by the straight line where each lower edge is located, and the polygon is larger than the polygon formed by the upper edges.

The battery plate frame adopts a conformal frame structure, is suitable for the installation of the side plates and the side baffles, and ensures that the side plates and the side baffles are in the respective proper positions and postures after the installation. There may be provided side mount structures (or side plate mount sides) corresponding to the respective side surfaces of the mesa structure, respectively, and side shield mount structures (or side shield mount sides) for mounting the respective side shields, the side mount structures being for mounting the side plates located on the respective sides, the respective side plates being mounted on the respective corresponding mount sides (or side plate mount structures), respectively.

The battery panel frame is provided with a plurality of plane frames, including an upper frame and a lower frame, one or a plurality of middle frames can be arranged between the upper frame and the lower frame according to actual needs, or the middle frames can be not arranged, the basic shapes (main body shapes) of the upper frame, the lower frame and the middle frames (if any) are the same, and the battery panel frame comprises an outer frame 12 which is a polygon with the shape similar to the cross section (the cross section of the corresponding part) of the table-shaped structure. For the side plate fixedly installed on the battery plate frame, the upper part and the lower part of the side plate can be respectively and fixedly connected to the outer frames of the upper frame and the lower frame.

The upper frame, the lower frame and the outer frame of the middle frame (if any) can be connected into a whole through a plurality of vertical connecting rods to form a battery plate frame with a cage-shaped structure.

In order to facilitate the installation of the solar cells in the form of a table on the uprights of the power plant, the inner side of the outer frame may be provided with an inner frame 15 coaxial (with two axes on the same line), the shape of the inner frame (mainly the shape of the inner edge) being adapted to the shape of the uprights used, adapted to be sleeved and fixed on the uprights. The inner frame may be of a short sleeve construction so as to be secured directly to the uprights by means of fastening bolts. The inner frame and the corresponding outer frame of the same plane frame are fixedly connected through a plurality of radial (linear direction which is perpendicular to the central axis of the column/upright on the horizontal plane) connecting rods 13.

The uprights 17 may also be provided directly on the panel frame, in which case the planar frame may or may not be provided with an inner frame. When the inner frame is arranged, the inner frame is sleeved and fixed on the vertical rod, and when the inner frame is not arranged, the outer frame of the plane frame can be directly fixedly connected with the vertical rod by adopting a plurality of radial connecting rods. When in use, the upright posts can be fixedly arranged on the upright posts which are used as the installation foundation of the upright posts coaxially (the axes of the upright posts and the upright posts are positioned on the same straight line) and act as a part of the upright posts.

When the vertical rod and the inner frame are simultaneously arranged, the inner frame is fixedly connected with the corresponding outer frame through radial connection, and the inner frame is sleeved on the vertical rod and is fixed by the connecting piece.

The following are several preferred embodiments relating to the number of side plates:

in embodiment 1, the number of the side plates may be three, and the number of the side plates using the solar panel may be two or three.

In embodiment 2, the number of the side plates may be five, and the number of the side plates using the solar panel may be four or five.

In embodiment 3, the number of the side plates may be six, and the number of the side plates using the solar panel may be five or six.

The solar cell of the solar power supply device adopts a table-shaped solar cell 10, and the table-shaped solar cell is fixedly sleeved on the upright post 20 for absorbing solar power generation.

The number of the solar cells may be one or a plurality of the solar cells. When the number of solar cells is multiple, the solar cells are distributed at intervals up and down on the upright post, and the upper solar cell panel pair shields the light rays of the lower solar cell panel. By arranging a plurality of solar cells, the solar cell structure is not only beneficial to reducing the space occupation of the solar cells, but also beneficial to improving the wind resistance, or reducing the born wind pressure, and is also beneficial to the convenience or standardization in processing and manufacturing.

The mesa-shaped solar cells can be located in the middle region of the uprights (including uprights serving as part of the uprights, if any, the same applies below) or can be flexibly arranged according to actual requirements.

As a preferred embodiment, the upright is hollow, or the main body is tubular, and is provided with a vertical middle duct (or tube hole), and the middle duct can be used for laying various pipelines, such as a connection cable of a solar controller/energy storage device and a solar panel and a wind turbine (if provided), a connection cable of electric equipment and the energy storage device/solar controller (if applicable), and the like.

The first box 24 may be disposed at the bottom of the upright, and the first box may be an independent box, where the upright is fixedly connected with the first box, or the upright and the first box may be integrated, or the first box may be regarded as an expanded portion at the bottom of the upright, and is thicker than the main body portion of the upright. The tube holes of the upright posts (the main body part) are communicated with the inner cavity of the first box body, so that cables laid in the tube holes of the upright posts can enter the first box body.

The side wall of the first box body can be provided with a vent hole or a shutter for ventilation, and the vent hole or the shutter can be opened or closed according to actual needs when in use so as to improve or maintain the temperature in the box body.

A door or cover 25 is provided on the side of the first housing for ease of operation.

When the first box body and the upright post adopt an integrated structure, the top surface (the exposed part of the top surface) 26 of the first box body is preferably an inclined surface with a radially inner high and a radially outer low so as to avoid water accumulation.

The second box 27 may be provided according to actual needs, the second box is an underground box, and the cover of the second box is provided on the ground, and when the integrated box is formed with the first box (the first box and the second box can be respectively regarded as the overground part and the underground part of the integrated box), only the door or the cover is provided on the first box.

The first case and the second case may be provided at the same time, or only the first case or only the second case may be provided. In the case of the first case and the second case being provided at the same time, the first case and the second case are communicated by a channel, or an integrated case is adopted, components suitable for being disposed in the case, such as a storage battery and other circuit boards used as an energy storage unit, may be disposed in the first case and/or the second case, and related circuits/devices (including circuit boards and electronic components, devices, etc.) may be provided and disposed according to the prior art.

In the case of providing both the first and second cases, the first and second cases may be independent of each other (for example, when the first case is suspended on the upright), or may be in communication with each other (for example, when the first case is supported below the upright and the second case is disposed in the ground beside), or may be integrated (in this case, the above-ground portion of the integrated case may be regarded as the first case, and the below-ground portion may be regarded as the second case).

In cold areas, circuits and components not suitable for outdoor low-temperature operation can be arranged in the box body, particularly the second box body, so that heat preservation is facilitated. According to the actual situation, part of the circuits, components and the like may be provided in the internal space of the solar cell (if conditions allow), and part of the solar panel may be provided as a door for operation.

The bottom of the upright post can be provided with a disc-shaped (disc, rectangular disc or the like) base, the disc-shaped base is provided with a foundation screw, or an upright post bracket or other upright post mounting structure suitable for being fixed on the ground is provided.

The top end of the upright post can be provided with a wind power discharge unit so as to improve the power generation capacity and realize the complementation of solar power generation and wind power generation. The wind generating set is preferably a vertical (vertical to the horizontal plane or referred to as vertical) shaft wind generating set, and the lower end of the vertical dead axle 46 of the vertical shaft wind generating set can be coaxially installed at the top end (such as flange connection) of the upright post, so as to realize the installation on the upright post.

The vertical axis wind turbine may include a vertical (referred to as vertical to the horizontal plane) dead axle 46, a main blade 41, an auxiliary blade 42, and a generator 48. The vertical dead axle can be of a hollow structure so as to facilitate wiring. The generator is an external rotor generator, the lower part of the vertical fixed shaft is used as a stator shaft of the generator, the upper part is used as a fixed shaft of the wind motor, and the shaft sleeve 44 is rotatably arranged. For example, the shaft sleeve is sleeved on the vertical fixed shaft, and is rotationally connected with the vertical fixed shaft through an upper bearing and a lower bearing arranged between the shaft sleeve and the vertical fixed shaft, and the lower end of the shaft sleeve is fixedly connected with the upper end of the outer rotor of the generator.

The main fan blade is arc-shaped, the upper ends of the main fan blade are respectively and fixedly connected to the upper part of the shaft sleeve, and the lower ends of the main fan blade are connected with the outer rotor of the generator (comprising other parts which are fixedly connected with the outer rotor on the generator to form a component) or are fixedly connected to the lower end of the shaft sleeve. The number of the main fan blades is a plurality of (for example, three), and the main fan blades are distributed in a rotationally symmetrical manner.

The auxiliary fan blade is arranged in the middle of the shaft sleeve (between the upper end and the lower end of the main fan blade) and consists of an upper layer of Sawortex resistance type blades and a lower layer of Sawortex resistance type blades, the upper layer of Sawortex resistance type blades and the lower layer of Sawortex resistance type blades are fixedly connected and are arranged in a 90-degree cross mode along the rotating circumferential direction, the auxiliary fan blade is radially positioned on the inner side of the main fan blade, and the arrangement of the auxiliary fan blade is beneficial to the starting and the stable operation of the wind power generator set. When the auxiliary fan blade and/or the main fan blade drive the shaft sleeve to rotate under the pushing of wind power, the outer rotor is further driven to rotate.

The solar panel, the wind generating set and related circuits can all adopt the prior art.

Other devices can be arranged on the upright post according to actual needs. For example, the power supply device may be configured according to the prior art with a remote monitoring system provided with a wireless communication module, which may be mounted on a post according to actual needs, with the antenna 31 of the wireless communication module mounted on the post or on top of the integrated device (e.g. top of the vertical dead axle of a vertical axis wind turbine).

An audible alarm (horn or buzzer) and an audible alarm (alarm lamp) may be mounted on the upright.

Bird repellers, such as small windmills 33 for repelling birds, may be provided on the posts and/or on the upper edges/tops of the solar panels, and reflectors may be provided on the rotating members of the small windmills.

The camera 32 may be provided on the upright, with corresponding attachment being configured, a remote communication device being provided for remote camera control and video data transmission, or video data acquired by the camera being accessed to a remote monitoring system (if provided), remote camera control and video data transmission being performed using the remote communication function and the local data processing function of the remote control system, so as to acquire video of corresponding environmental conditions as required.

The preferred and optional technical means disclosed in the utility model may be combined arbitrarily to form a plurality of different technical schemes, except for the specific description and the further limitation that one preferred or optional technical means is another technical means.

Claims (10)

1. The table-shaped solar cell is characterized by being provided with a plurality of side plates, wherein each side plate is rectangular and is in an upward inclined posture, the side plates are connected into a table-shaped structure with a large lower part and a small upper part through a cell panel frame, each side plate is respectively positioned on different sides of the table-shaped structure, and all or most of the side plates are solar cell panels.

2. The mesa solar cell of claim 1 wherein side baffles are disposed between adjacent side plates, the side baffles being triangular or trapezoidal, closing triangular or trapezoidal gaps between adjacent side plates.

3. The mesa solar cell of claim 1, wherein the width of each side plate is the same or not the same, and the inclination angle of each side plate is the same or not the same.

4. The solar cell of claim 1, wherein the upper edges of the side plates are positioned in a same horizontal plane and the straight lines thereof define a horizontal polygon, and the lower edges of the side plates are positioned in a same horizontal plane and the straight lines thereof define a horizontal polygon.

5. A bench solar cell as claimed in claim 1, characterized in that the cell panel rack is of a frame construction provided with lateral mounting structures corresponding to each side of the bench construction for mounting the side panels on the respective sides.

6. The solar cell of claim 5, wherein the cell panel frame is provided with at least two planar frames, each of which includes an upper frame and a lower frame, each of which is provided with an outer frame for mounting a side plate, the outer frame having a polygonal shape similar to the cross-sectional shape of the mesa structure, and the upper and lower portions of the side plates being fixedly connected to the outer frames of the upper and lower frames, respectively.

7. The solar cell of claim 6, wherein the cell panel frame is provided with inner frames corresponding to the outer frames respectively, the inner frames are coaxial with the corresponding outer frames, and the inner frames are fixedly connected with the corresponding outer frames through a plurality of radial connecting rods; or the battery plate frame is provided with upright rods coaxial with the outer frames, and the outer frames are fixedly connected with the upright rods through a plurality of radial connecting rods; or, the battery plate frame is provided with inner frames corresponding to the outer frames respectively, and is also provided with vertical rods coaxial with the outer frames, the inner frames are coaxial with the corresponding outer frames and fixedly connected with the corresponding outer frames through a plurality of radial connecting rods, each inner frame is sleeved on the vertical rods, and at least the inner frames positioned at the top and the bottom of the battery plate frame are fixedly connected with the vertical rods.

8. The mesa solar cell of any one of claims 1 to 7, wherein the solar cell panel disposed on the strong light side is a crystalline silicon solar cell panel and the solar cell panel disposed on the weak light side is a thin film solar cell panel.

9. A solar power supply device provided with a stand column and a solar cell fixedly arranged on the stand column, and is characterized in that the solar cell adopts the table-shaped solar cell as claimed in any one of claims 1 to 8, and the table-shaped solar cell is fixedly sleeved on the stand column.

10. The solar power supply device according to claim 9, wherein the number of the solar cells is one or more, and a plurality of solar cells are arranged alternately up and down on the column.