CN207720068U - A kind of photovoltaic array for electric vehicle auxiliary power generation - Google Patents

Abstract

The utility model discloses a photovoltaic array used for auxiliary power generation of electric vehicles, comprising a photovoltaic module and a photovoltaic module mounting frame, the photovoltaic module is a strip photovoltaic module, and the bottom plate of the photovoltaic module is a PC hollow board; the photovoltaic module is adjusted The mechanism is installed on the photovoltaic module mounting frame. The adjustment mechanism includes a photovoltaic module bracket and a first lock nut for locking the photovoltaic module. The photovoltaic module and the photovoltaic module bracket are rotatably connected; On the top plate, the rotating mechanism includes a second rotating shaft, a second locking nut for fixing the photovoltaic module and a handle. The photovoltaic module mounting frame is installed on the upper end of the second rotating shaft. By adjusting the angle of the photovoltaic module, the daily solar radiation received is similar ; Rotate the photovoltaic module mounting frame so that the photovoltaic module faces the direction of the sun, and the solar radiation efficiency is high.

Description

A photovoltaic array for auxiliary power generation of electric vehicles

technical field

The utility model relates to the technical field of photovoltaic power generation, in particular to a photovoltaic array used for auxiliary power generation of electric vehicles.

Background technique

With the improvement of people's living standards, many people need less power than cars, more convenient to drive, smaller footprint, and more economical means of transportation, so electric vehicles came into being and gradually entered thousands of households. According to statistics, the sales volume of electric vehicles in China has doubled every year in recent years. At present, it has reached hundreds of millions of units and still maintains a high-speed growth trend.

Installing photovoltaic panels on electric vehicles can not only continuously discharge and recharge the battery power, increase the mileage, but also prevent and eliminate the vulcanization of the battery plates, effectively prolonging the battery life, which can be described as time-saving, labor-saving, money-saving and economical. Electricity.

The existing photovoltaic array is a whole board, which can only be installed horizontally on the electric vehicle roof. The solar radiation efficiency is low. If it is installed at a certain inclination angle, the wind resistance will be large; Big, short life, high cost.

Utility model content

The purpose of the utility model is to solve the above problems of low solar radiation efficiency and heavy weight of photovoltaic modules, and provide a photovoltaic array for auxiliary power generation of electric vehicles.

The technical scheme that the utility model solves its technical problem to take is:

A photovoltaic array for auxiliary power generation of electric vehicles, including a photovoltaic module and a photovoltaic module mounting frame, the photovoltaic module is sprayed layer, PET film, first sealing adhesive film, solar chip, and second sealing adhesive film in sequence from the sun-irradiated surface , white PET film, the first epoxy resin, glass cloth, the second epoxy resin, a bottom plate and a frame, the photovoltaic module is a strip photovoltaic module, and the bottom plate is a PC hollow board;

The photovoltaic module is installed on the photovoltaic module installation frame through the adjustment mechanism. The adjustment mechanism includes a photovoltaic module bracket and a first lock nut for locking the photovoltaic module. The photovoltaic module bracket is located on the photovoltaic module installation frame. The photovoltaic module and Photovoltaic module support rotating connection;

The photovoltaic assembly mounting frame is installed on the roof plate through a rotating mechanism. The rotating mechanism includes a second rotating shaft, a second locking nut for fixing the photovoltaic assembly and a handle. The photovoltaic assembly mounting frame is located at the upper end of the second rotating shaft, and the second rotating shaft is connected to the vehicle The top plates are connected in rotation, one end of the handle is connected with the second rotating shaft, and the other end of the handle is connected with the roof plate.

Further, a first rotating shaft is provided on both sides of the photovoltaic module, and the first rotating shaft is rotatably installed in the photovoltaic module bracket.

Further, an external thread is provided on the outer side of the first rotating shaft on the right side of the photovoltaic module, and the first locking nut is threadedly connected to the first rotating shaft on the right side.

Further, a dial is provided on the photovoltaic module bracket.

Further, a step is provided on the second rotating shaft, the photovoltaic module mounting frame is supported on the step, an external thread is provided on the upper end of the second rotating shaft, and the second locking nut is threadedly connected to the upper end of the second rotating shaft.

Further, the upper and lower ends of the roof panel are respectively provided with an upper gland and a lower gland, and the roof panel, the upper gland and the lower gland are provided with through holes at positions corresponding to the second rotating shaft, and the second rotating shaft passes through the roof. The plate, the through hole on the upper gland and the lower gland, a bearing is arranged between the upper gland and the lower gland, and the inner ring of the bearing is in contact with the second rotating shaft.

Further, the handle is rotationally connected to the lower end of the second rotating shaft, and the other end of the handle is connected to the roof panel through bolts.

The beneficial effects of the utility model are:

1. In order to solve the problem of low solar radiation efficiency in this utility model, the photovoltaic module is installed on the photovoltaic module installation frame through the adjustment mechanism, and the photovoltaic module installation frame is installed on the roof plate through the rotation mechanism, and the photovoltaic module can be adjusted through the adjustment mechanism. Rotating on the photovoltaic module mounting frame, it is easy to adjust, and by adjusting the angle of the photovoltaic module to ensure that the amount of solar radiation received every day is similar; through the rotating mechanism, the photovoltaic module mounting frame can be rotated so that the photovoltaic module faces the direction of the sun, and the solar radiation efficiency is improved. high.

2. In order to solve the problem of heavy weight of photovoltaic modules, the utility model adopts PC hollow board as the bottom board. The PC board is light in weight, long in service life, good in rigidity and low in cost.

3. The utility model adopts strip-shaped photovoltaic modules, and the wind resistance is small.

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 accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art In other words, other drawings can also be obtained from these drawings under the premise of not paying creative work.

Fig. 1 is a schematic diagram of a photovoltaic array used for auxiliary power generation of electric vehicles used in the present invention;

Fig. 2 is a cross-sectional view of a photovoltaic array photovoltaic module used for auxiliary power generation of electric vehicles used in the utility model;

Fig. 3 is a cross-sectional view of a photovoltaic array adjustment mechanism for electric vehicle auxiliary power generation applied in the utility model;

Fig. 4 is a right view of a photovoltaic array adjustment mechanism used in the utility model for auxiliary power generation of electric vehicles;

Fig. 5 is a cross-sectional view of a photovoltaic array rotating mechanism used for auxiliary power generation of electric vehicles used in the utility model;

In the figure: 1. Photovoltaic module, 2. Photovoltaic module mounting frame, 3. Spraying layer, 4. PET film, 5. First sealing film, 6. Solar chip, 7. Second sealing film, 8. White PET Membrane, 9. First epoxy resin, 10. Glass cloth, 11. Second epoxy resin, 12. Bottom plate, 13. Frame, 14. Photovoltaic module bracket, 15. First shaft, 16. First locking nut , 17, dial, 18, roof panel, 19, second shaft, 20, second lock nut, 21, handle, 22, upper gland, 23, lower gland, 24, bearing.

Detailed ways

In order to enable those skilled in the art to better understand the technical solution in the utility model, the technical solution in the utility model embodiment will be clearly and completely described below in conjunction with the accompanying drawings in the utility model embodiment. Obviously, The described embodiments are only some of the embodiments of the present utility model, but not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

For the convenience of description, the coordinate system is now defined as shown in Figure 1.

As shown in Figures 1 to 5, a photovoltaic array for auxiliary power generation of electric vehicles includes a photovoltaic module 1 and a photovoltaic module mounting frame 2, and the photovoltaic module 1 is sprayed layer 3, PET film 4, First sealant film 5, solar chip 6, second sealant film 7, white PET film 8, first epoxy resin 9, glass cloth 10, second epoxy resin 11, bottom plate 12 and frame 13, the photovoltaic Module 1 is a strip-shaped photovoltaic module, which adopts a strip-shaped photovoltaic module. Compared with the whole photovoltaic panel, the wind resistance is smaller, and the bottom plate 12 is a PC hollow board; after improving the bottom plate of the normal temperature packaging process, the traditional aluminum honeycomb panel is changed to The PC hollow board solves the problem of heavy weight and high cost of the traditional packaging bottom board; the working temperature of the PC board can reach -40°C-120°C, which fully meets the requirements of the working temperature of the bottom board -40°C-85°C; the weight of the PC board is 0.9kg/m2, which meets the requirement that the weight of the bottom plate 12 is less than 4kg/m2; the life of the PC board is more than 20 years, with good rigidity and low cost.

The photovoltaic module 1 is installed on the photovoltaic module mounting frame 2 through an adjustment mechanism. The adjustment mechanism includes a photovoltaic module bracket 14 and a first locking nut 16 for locking the photovoltaic module 1. The photovoltaic module bracket 14 is located on the On the rack 2, the photovoltaic module 1 is rotationally connected with the photovoltaic module bracket 14; the photovoltaic module mounting frame 2 is installed on the roof panel 18 through a rotating mechanism, and the rotating mechanism includes a second rotating shaft 19 and a second locking nut for fixing the photovoltaic module 20 and the handle 21, the photovoltaic module mounting frame 2 is installed on the upper end of the second rotating shaft 19, the second rotating shaft 19 is connected to the roof panel 18 in rotation, one end of the handle 21 is connected to the second rotating shaft 19, and the other end of the handle 21 is connected to the roof panel 18 connections. Photovoltaic electric vehicles belong to off-grid power generation. For the balanced load in the off-grid power generation system, it is required that the annual average daily power generation of the system is not much different, that is, the inclination of the photovoltaic array is required to be adjusted so that the daily solar radiation received is as close as possible. Through the adjustment mechanism, the photovoltaic module 1 can be rotated on the photovoltaic module installation frame 2, which is convenient for adjustment, and the solar radiation received every day is similar by adjusting the angle of the photovoltaic module; through the rotation mechanism, the photovoltaic module installation frame 2 can be rotated to make the photovoltaic module The module 1 faces the direction of the sun, and the solar radiation efficiency is high.

Both sides of the photovoltaic module 1 are provided with a first shaft 15 , and there are two photovoltaic module brackets 14 . The two photovoltaic module brackets 14 are respectively located on both sides of the photovoltaic module 1 . The middle positions on both sides of the photovoltaic module 1 are fixedly connected to the first rotating shaft 15, and the lower end of the photovoltaic module 1 is suspended in the air. During the adjustment process, the photovoltaic module 1 rotates around the first rotating shaft 15 until the maximum solar radiation rate is reached.

The outer side of the first rotating shaft 15 on the right side of the photovoltaic module 1 is provided with external threads. The outer side here refers to the side of the first rotating shaft 15 away from the photovoltaic module 1 . When the photovoltaic module 1 needs to be adjusted, the first locking nut 16 is loosened first, and the photovoltaic module 1 is rotated. After the rotation is completed, the first locking nut 16 is tightened to make it positioned.

A scale 17 is provided on the photovoltaic module support 14 . Viewed from the side, the photovoltaic module can be used as a pointer, and the dial 17 ensures that the installation inclination angle of the photovoltaic module 1 is more accurate.

Steps are provided on the second rotating shaft 19, and the photovoltaic module mounting frame 2 is supported on the steps. The upper end of the second rotating shaft 19 is provided with external threads, and the second locking nut 20 is threadedly connected with the upper end of the second rotating shaft 19. Two locking nuts 20 make the photovoltaic module mounting frame 2 fixed, and a through hole is provided on the photovoltaic module mounting frame 2 corresponding to the second rotating shaft 19, and the photovoltaic module mounting frame 2 is set on the second rotating shaft 19 until the photovoltaic module is installed The lower end of the frame 2 is in contact with the step on the second rotating shaft 19 , and the photovoltaic module mounting frame 2 can rotate with the second rotating shaft 19 .

The upper and lower ends of the roof panel 18 are respectively provided with an upper gland 22 and a lower gland 23, and the upper gland 22 and the lower gland 23 are fixed on the roof panel 18 by bolts, and the roof panel 18, the upper gland 22 and the lower Gland 23 is provided with a through hole at the position corresponding to the second rotating shaft 19, and bearing 24 is provided between upper gland 22 and lower gland 23, and upper gland 22 and lower gland 23 are oppositely provided with grooves, bearing 24 Located in the groove, the second rotating shaft 19 passes through the upper gland 22 , the lower gland 23 and the through holes on the roof panel 18 , and the inner ring of the bearing 24 is in contact with the second rotating shaft 19 cylindrical surface. The second rotating shaft 19 is fixed in the vertical direction, and the fixing method is the prior art, which will not be repeated here.

The handle 21 is rotationally connected with the lower end of the second rotating shaft 19, and the other end of the handle 21 is connected with the roof panel 18 by bolts. When in use, loosen the bolts at the connection between the handle 21 and the roof panel 18, turn the handle 21, and then turn the second rotating shaft 19 through the handle to drive the photovoltaic module mounting frame 2 to rotate.

Electric vehicles in this paper refer to low-speed electric vehicles with a power of several hundred watts to several kilowatts, and solar photovoltaic arrays can be installed as auxiliary charging devices. And the utility model is to take into account the situation that domestic roads are mostly horizontal and vertical.

In the description of the present utility model, it should be noted that the orientations or positional relationships indicated by the terms "left", "right", "upper" and "lower" are based on the orientations or positional relationships shown in the accompanying drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection, electrical connection, direct connection, or indirect connection through an intermediary, or internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

The above descriptions are only specific implementation methods of the present utility model, so that those skilled in the art can understand or realize the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. a kind of photovoltaic array for electric vehicle auxiliary power generation, including photovoltaic module (1) and photovoltaic module installation rack (2), Photovoltaic module (1) is followed successively by sprayed coating (3), PET film (4), the first sealed Cellophane (5), solar energy core since the sunlight face Piece (6), the second sealed Cellophane (7), white PET film (8), the first epoxy resin (9), glass wool cloth (10), the second epoxy resin (11), bottom plate (12) and frame (13), characterized in that the photovoltaic module (1) is strip photovoltaic module, and bottom plate (12) is in PC Hollow plate；

The photovoltaic module (1) is mounted on by adjusting mechanism in photovoltaic module installation rack (2), and adjustment mechanism includes photovoltaic module Holder (14) and the first locking nut (16) for locking photovoltaic module (1), the photovoltaic module support (14) are located at photovoltaic On component mounting block (2), photovoltaic module (1) is rotatablely connected with photovoltaic module support (14)；

The photovoltaic module installation rack (2) is installed to by rotating mechanism in roof panels (18), and rotating mechanism includes the second shaft (19), the second locking nut (20) and handle (21) of fixed photovoltaic module (1), photovoltaic module installation rack (2) are located at second turn Axis (19) upper end, is rotatablely connected between the second shaft (19) and roof panels (18), and handle (21) one end connects with the second shaft (19) It connects, handle (21) other end is connect with roof panels (18).

2. a kind of photovoltaic array for electric vehicle auxiliary power generation according to claim 1, characterized in that the photovoltaic Component (1) both sides are equipped with first rotating shaft (15), and first rotating shaft (15) is rotatably installed in photovoltaic module support (14).

3. a kind of photovoltaic array for electric vehicle auxiliary power generation according to claim 2, characterized in that photovoltaic module (1) external screw thread is equipped on the outside of right side first rotating shaft (15), the first locking nut (16) passes through screw thread with right side first rotating shaft (15) Connection.

4. a kind of photovoltaic array for electric vehicle auxiliary power generation according to claim 3, characterized in that photovoltaic module Holder (14) is equipped with dial (17).

5. a kind of photovoltaic array for electric vehicle auxiliary power generation according to claim 1, characterized in that described second Shaft (19) is equipped with step, and photovoltaic module installation rack (2) is supported on step, and the second shaft (19) upper end is equipped with external screw thread, Second locking nut (20) is connected through a screw thread with the second shaft (19) upper end.

6. a kind of photovoltaic array for electric vehicle auxiliary power generation according to claim 5, characterized in that roof panels (18) upper and lower ends are respectively equipped with upper press cover (22) and lower cover (23), roof panels (18), upper press cover (22) and lower cover (23) Position corresponding with the second shaft (19) is equipped with through-hole, and the second shaft (19) passes through roof panels (18), upper press cover (22) and pushes The through-hole on (23) is covered, bearing (24), bearing (24) inner ring and the second shaft are equipped between upper press cover (22) and lower cover (23) (19) it contacts.

7. a kind of photovoltaic array for electric vehicle auxiliary power generation according to claim 6, characterized in that handle (21) It is rotatablely connected with the second shaft (19) lower end, handle (21) other end is bolted with roof panels (18).