CN216701131U - Sun-shading and heat-insulating device for photovoltaic tea garden - Google Patents

Abstract

The utility model relates to a sun-shading and heat-insulating device of a photovoltaic tea garden, which comprises a support and a photovoltaic panel array, wherein a sun-shading device is arranged below the photovoltaic panel array on the support and comprises at least one sun-shading module, and the sun-shading module comprises at least two sun-shading cloth arrays of sun-shading cloth and a pulley traction rope transmission system for driving each sun-shading cloth in the arrays to be unfolded or folded between adjacent photovoltaic panel lines simultaneously; the system comprises a driving wheel and a driven wheel set, wherein each driven wheel forms a linked closed rope winding line through sequential winding connection of annular hauling ropes, and the hauling ropes moving in the same direction are wound on two side edges of each sun-shading cloth; the fixed edges of the sun-shading cloth are fixed on the bracket, the two end parts of the movable edges are fixedly connected to the traction ropes on the corresponding sides, and the traction ropes drive the movable edges of the sun-shading cloth in the sun-shading module to be linked along the row direction; the sunshade cloth in the same row moves in the same direction, and when at least two rows of sunshade cloth exist, the sunshade cloth in the adjacent row moves in the opposite direction.

Description

Sun-shading and heat-insulating device for photovoltaic tea garden

Technical Field

The utility model relates to the technical field of photovoltaic tea garden sunshade.

Background

The tea tree is a perennial evergreen shade-resistant woody plant which is pleased with light and cannot be excessively illuminated, and the photovoltaic system is erected above the tea tree, so that the growth of the tea tree is not influenced, photovoltaic power generation can be carried out, the utilization rate of land and light energy is greatly improved, and the complementation of agricultural light is realized.

The Chinese patent document publication No. CN207460067U discloses a tea garden photovoltaic system in a space layout-based photovoltaic panel array structure of a tea garden photovoltaic system, which comprises a plurality of parallel photovoltaic panels arranged above a tea tree, wherein each photovoltaic panel is composed of a plurality of rectangular photovoltaic panels, and a space is arranged between every two adjacent photovoltaic panels, so that a photovoltaic panel array is formed; each photovoltaic board all sets up on two corresponding upper and lower fixed beams, and two upper and lower fixed beams are installed on the oblique A-frame of vertical support upper end, and the lower extreme of vertical support is fixed in the tea garden soil. The supports of the photovoltaic panels in the photovoltaic system are arranged independently, and the support structure enables the wind resistance of the photovoltaic system to be poor.

The production of the matcha needs 10-15 days of full coverage sun shading before the tea leaves are picked, if the tea garden photovoltaic system is adopted, although the photovoltaic panel can play a certain sun shading role, the full coverage sun shading requirement of the matcha production can not be met, and the functions of heat preservation in the early spring tea garden, heat preservation in the late spring cold period, sun shading and cooling in summer and the like can not be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sun-shading and heat-insulating device for a photovoltaic tea garden, which can realize complementation of agricultural light, can realize full-coverage sun shading, and realizes the functions of heat preservation in a tea garden in early spring, heat preservation in a period of 'late spring cold', sun shading and cooling in summer and the like.

In order to achieve the purpose, the sun-shading and heat-insulating device for the photovoltaic tea garden adopts the following technical scheme:

a sun-shading and heat-insulating device of a photovoltaic tea garden comprises a support and a photovoltaic panel array fixed on the support, wherein the east-west direction is defined to extend into rows, a sun-shading device capable of covering tea trees is arranged below the photovoltaic panel array on the support, the sun-shading device comprises at least one sun-shading module, and the sun-shading module comprises at least two sun-shading cloth arrays of sun-shading cloth and a pulley traction rope transmission system for driving the sun-shading cloth arrays to be unfolded or folded between adjacent photovoltaic panel rows simultaneously; the pulley traction rope transmission system comprises a driving wheel driven by power to rotate and a driven wheel set which is driven by the driving wheel and comprises a plurality of driven wheels, the driven wheels are sequentially connected in a winding mode through annular traction ropes to form a linked closed rope winding circuit, the driven wheels are arranged to be matched with the sunshade cloth array, and the two side edges of each sunshade cloth are wound with traction ropes moving in the same direction; the fixed edges of the sun-shading cloth are positioned below the corresponding photovoltaic panel rows and are fixed on the support, the two end parts of the moving edges are fixedly connected to the traction ropes on the corresponding sides, and the traction ropes drive the moving edges of the sun-shading cloth in the male shading module to be linked along the row direction; the sunshade cloth in the same row moves in the same direction, and when at least two rows of sunshade cloth exist, the sunshade cloth in the adjacent row moves in the opposite direction.

The technical scheme of further optimization is that the sunshade cloth array is provided with two rows and at least two columns.

The technical scheme of further optimization is that the driving wheel is arranged on the outer side of the traction rope on the outer side of the first row of the sun-shading cloth, and the driving wheel drives the driven wheel set to be linked through the winding connection with the traction rope.

The further optimized technical scheme is that the driving wheel is a double-rope groove pulley.

The technical scheme of further optimization is that the sunshade cloth array has N rows, and the sequence of the rope winding line in the winding connection with the sunshade cloth is as follows: firstly, winding the sun-shading cloth on the first row, and sequentially winding the sun-shading cloth on the first row and the first column to the Nth row of the first row; then the sun-shading cloth is wound to the second row of the sun-shading cloth, and the sun-shading cloth is wound to the first row of the second row and the first column of the second row from the Nth column of the second row in sequence.

According to the further optimized technical scheme, in the driven wheel set, the driven wheel positioned at the corner junction of four adjacent pieces of the sunshade cloth array is two double-rope-groove pulleys or one four-rope-groove pulley.

The technical scheme of further optimization is that the support comprises an integral grid frame which is fixed at the upper end part of the vertical pile group and is composed of cross beams and longitudinal beams, the cross beams correspond to the photovoltaic panel rows and are located below the photovoltaic panel rows, and each driven wheel is arranged on the corresponding cross beams or longitudinal beams.

The technical scheme of further optimization is that travelling wheels capable of rolling on corresponding longitudinal beams are further mounted at two end parts of the moving edges of the sun-shading cloth; the driving wheel is driven by a motor to rotate; the sun-shading device also comprises a motor control unit, wherein the motor control unit comprises a temperature sensor and an illumination sensor which are electrically connected with the controller, and the controller is electrically connected with the motor.

The utility model has the beneficial effects that:

1. through set up solar protection devices in photovoltaic board array below, both realized that tea garden farming light is complementary, can also carry out the sunshade to the tea tree and keep warm. In application, the method can well meet the production requirements of matcha, and can cover in the daytime and collect in the evening, so that the yield and the quality of matcha are improved; in early spring, the tea garden can be insulated by covering the sun-shading cloth at night; when the tea leaves are cold in late spring, the sun-shading cloth is covered, so that heat exchange between the leaf surfaces of the tea leaves and sky radiation can be reduced, the leaf surface temperature of the tea leaves is increased, and the freezing injury of the tea leaves is prevented; in summer, when the temperature of the leaf surface of the tea leaves irradiated by the sun is too high to be beneficial to the growth of the tea leaves, the effect of shading and cooling can be achieved by covering the shading cloth. The utility model is not only suitable for sun shading and heat preservation of tea gardens, but also suitable for planting other crops with requirements on sun shading or heat preservation.

2. The sunshade device adopts a sunshade module structure, and the sunshade module adopts a plurality of sunshade cloth arranged into an array, so that on one hand, in practical application, the sunshade modules with proper number and the sunshade cloth arrays with proper specifications can be selected and combined according to the area of the tea garden, the tea garden with different areas can be completely covered and shaded very easily, and the use is flexible and convenient; on the other hand, the sun-shading module adopts the sun-shading cloth array, so that a larger sun-shading area of one sun-shading module is ensured, and the problem that the sun-shading cloth is seriously drooped when a single piece of sun-shading cloth is adopted under the same sun-shading area is solved; in the third aspect, all the sun-shading cloth in the sun-shading module is linked under the driving of the pulley traction rope transmission system, can be automatically unfolded to cover the tea garden and can also be folded at the same time, and the automation degree is higher.

3. In the sunshade module, the linkage of each sunshade cloth is realized through the transmission connection of a pulley traction rope transmission system, and the transmission structure can ensure that the sunshade cloth in adjacent rows or adjacent columns in the sunshade module has different inclination angles, and in addition, the adjacent rows of the adjacent sunshade modules can also be arranged to have different inclination angles, so that the sunshade module can be adapted to the landform of a laid tea garden, can be installed and used in a flat tea garden and can also be installed and used in a multi-surface sloping tea garden, and the number of the sunshade modules and the specification of the sunshade cloth array can be selected according to the area size and the length and width size of the tea garden, so that the sunshade module has stronger adaptability and can be applied to the tea gardens with different landforms, sizes and different shapes.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of a sun-shading and heat-insulating device of a photovoltaic tea garden of the utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a top view of the sun shade of FIG. 3;

FIG. 5 is an enlarged fragmentary view of the upper half of FIG. 4;

FIG. 6 is an enlarged partial view of the lower half of FIG. 4;

FIG. 7 is a schematic illustration of the pulley pull-cord drive system of FIG. 4;

FIG. 8 is a schematic structural diagram of another embodiment of the present invention applied to mountainous areas;

FIG. 9 is a top view of FIG. 8;

FIG. 10 is a top view of the sun shade of FIG. 8.

In the figure, 1 is a vertical pile, 21 is a cross beam, 22 is a longitudinal beam, 3 is a photovoltaic panel, 4 is a sun-shading cloth, 5 is a traction rope, 6 is a driving wheel, 71 is a single rope groove pulley, and 72 is a double rope groove pulley.

Detailed Description

The principle of the utility model is that a sun-shading device is arranged below a photovoltaic panel array of a tea garden, the sun-shading device adopts a mode of combining a plurality of sun-shading modules, the sun-shading modules connect a plurality of pieces of sun-shading cloth arranged in the modules into an array by a pulley traction rope transmission system to form a linked sun-shading cloth array, and the traction rope drives each piece of sun-shading cloth in the sun-shading cloth array to be unfolded or folded simultaneously.

An embodiment of the sun-shading and heat-insulating device for the photovoltaic tea garden is shown in figures 1 to 7, wherein east-west direction extension is defined as rows, south-north direction extension is defined as columns, the embodiment comprises a support, a photovoltaic panel array and a sun-shading device, the support is used for being erected and fixed on the soil of the tea garden, the photovoltaic panel array and the sun-shading device are both fixed on the support, the photovoltaic panel array is used for photovoltaic power generation to achieve agricultural light complementation, the sun-shading device is located below the photovoltaic panel array, and sun-shading cloth of the sun-shading device can be unfolded to cover the tea tree to achieve sun shading or heat insulation of the tea tree.

The photovoltaic panel array is composed of photovoltaic panels 3 arranged in a matrix form and mounted on a support, the photovoltaic panels 3 in each row are arranged at intervals, and a certain distance is reserved between every two adjacent photovoltaic panel rows. The row number, the column number, the row spacing and the column spacing of the photovoltaic panel array are adaptively arranged according to the area size of the tea garden and other conditions on the spot, the row number can be two rows or three rows, four rows and N rows, and in order to facilitate clear expression of the attached drawings, the attached drawings draw three rows of photovoltaic panels, which can be a photovoltaic panel array or parts of the N rows of photovoltaic panel arrays.

The support includes the stake group that comprises a plurality of stakes 1, and the end fixing is provided with the net frame group at the stake group, and the net frame is the integral grid structure who comprises a plurality of crossbeams 21 and a plurality of longerons 22, has formed a main part through connecting messenger net frame and each stake 1 and has been the support of integral frame construction, and its structural stability of such support is better, and has stronger anti-wind ability, and then can reduce the basic requirement to stake 1, more does benefit to the construction when installing on the spot. The number of the vertical piles, the number of the cross beams and the number of the longitudinal beams in the support are matched according to the array specification of the photovoltaic panels, wherein the number of the cross beams 21 is the same as the number of the rows of the photovoltaic panels, and the cross beams are arranged in a one-to-one up-and-down correspondence mode, namely, one cross beam is correspondingly arranged below each row of the photovoltaic panels.

The sunshade device comprises at least one sunshade module, and the number of the sunshade modules is correspondingly configured according to the specification of the photovoltaic panel array so as to meet the requirement of covering the tea trees.

The sunshade module comprises a sunshade cloth array and a pulley traction rope transmission system, and the pulley traction rope transmission system drives each sunshade cloth in the sunshade module to be linked between adjacent photovoltaic panel rows, namely to be unfolded or folded simultaneously. The puggaree array has two piece at least puggarees 4, can be single file arrange also can be two lines arrange, the mode of two lines of arranging is preferably adopted, the pulley haulage rope transmission system's of being more convenient for like this lays, can effectively utilize the haulage rope, make the simple structure of this system compact, the row number of puggaree array then can specifically set for according to the length that this sunshade module transversely will cover, the fixed limit of each puggaree 4 is in the below on corresponding photovoltaic board line and fixes on the crossbeam 21 of support, the puggaree of same row opens and shuts the moving direction the same, when at least two puggarees, the puggaree of adjacent row opens and shuts the moving direction opposite.

Pulley haulage rope transmission system includes by the rotatory action wheel 6 of power drive and the driven wheelset that includes a plurality of follow driving wheels that is driven by the action wheel, each follow driving wheel forms the closed wiring circuit of linkage through the wiring in proper order of annular haulage rope 5, each follow driving wheel in the driven wheelset is located on corresponding crossbeam or longeron, driven wheelset and sunshade cloth array match the setting, each should be guaranteed to have the haulage rope that can the syntropy removed at the equal wire wrap in both sides limit of each sunshade cloth from laying of driving wheel in the driven wheelset, each sunshade cloth removes the both ends on limit then fixed connection and drives along the direction linkage of row on the haulage rope that corresponds the side separately. The walking wheels which can roll on the corresponding longitudinal beams are further installed below the two end parts of the moving edge of the sun-shading cloth, so that the sun-shading cloth can be supported on one hand, the moving resistance can be reduced on the other hand, and the sun-shading cloth can be opened and closed smoothly and stably. As shown in fig. 4, when the sunshade cloth array is two rows and N columns, the fixed edges of two sunshade cloths in odd columns are located below the first and second photovoltaic panels, the fixed edges of two sunshade cloths in even columns are located below the second and third photovoltaic panels, after the sunshade cloths are unfolded, the moving edge of each sunshade cloth is aligned with the fixed edge of the adjacent sunshade cloth, so as to realize that the opening and closing moving directions of the adjacent sunshade cloths in the same row in one sunshade cloth array are opposite, and at this time, the sequence of the rope winding line winding each sunshade cloth is as follows: firstly, winding the sun-shading cloth on the first row, and sequentially winding the sun-shading cloth on the first row and the first column to the Nth row of the first row; then the sun-shading cloth is wound to the second row of the sun-shading cloth, and the sun-shading cloth is wound to the first row of the second row and the first column of the second row from the Nth column of the second row in sequence.

Fig. 4 shows a sunshade module, the sunshade cloth array of which adopts two rows and four columns, the arrow in front of the sunshade cloth is the unfolding direction of the sunshade cloth, the arrow on the traction rope is the moving direction of each section of traction rope, fig. 7 shows a pulley traction rope transmission system of the sunshade module, three driven wheels arranged on the driven wheel set of the system respectively correspond to three beams arranged in sequence in the bracket, the driven wheel 71 of the first and third rows adopts a single rope groove pulley, the driven wheel 72 of the second row is the driven wheel positioned at the corner junction of four adjacent sunshade cloth arrays, and can adopt two double rope groove pulleys or a four rope groove pulley, and the driven wheel set is used for realizing the reversing of the traction rope 5 and guiding and arranging the traction rope at two sides of each sunshade cloth; the driving wheel 6 of the system is arranged on the outer side of the traction rope on one side, close to the outer side, of the first row of sunshade cloth, and the driving wheel drives the driven wheel set to be linked through the winding connection with the traction rope 5. In the sunshade module, the sequence of the wiring line for wiring each sunshade cloth is as follows: the sun-shading cloth is wound around a first row of the sun-shading cloth from a driving wheel 6, and the sun-shading cloth is sequentially wound from the first row and a first column to a first row and a fourth column; then the sun-shading cloth winds to the second row of the sun-shading cloth, sequentially winds from the second row and the fourth column to the second row and the first column, and then winds to the driving wheel 6 to form a closed loop.

In this embodiment, the driving wheel 6 is a single rope groove pulley and is driven by a motor, which is not shown in the figure. In practical application, if another sunshade module is arranged on the other side of the driving wheel of the sunshade module side by side, at the moment, if the power of the motor is large enough, the driving wheel can be changed into a double-rope groove pulley, so that the two sunshade modules can share the motor, and the cost is saved. In order to realize automatic control of opening and closing of the sun-shading cloth according to the ambient temperature and the illumination intensity, the sun-shading device can be additionally provided with a motor control unit, the control unit comprises a temperature sensor and an illumination sensor which are electrically connected with a controller, and the controller is electrically connected with a motor, so that the full intelligent operation of the sun-shading device can be realized according to the set conditions of the tea-wiping sun-shading period, the temperature condition in the heat preservation period and the sun-shading condition in summer.

In the embodiment shown in fig. 8 to 10, the photovoltaic panel array adopts a five-row photovoltaic panel, the sunshade device is composed of two sunshade modules arranged side by side, the sunshade cloth array of the sunshade modules adopts two rows and three rows, and each sunshade module is provided with a corresponding motor for controlling the sunshade cloth to open and close. Fig. 8 is a schematic view of the mountain in which the present embodiment is applied, and it can be seen that the tilt angles of the adjacent rows of sunshade cloth in the sunshade module and the adjacent rows of sunshade cloth in the sunshade module after being unfolded are different, and the tilt angles are adapted to the inclination conditions of the ground.

Claims (8)

1. Sunshade heat preservation device in photovoltaic tea garden includes the support and fixes the photovoltaic board array on the support, and the definition east and west direction extends as going, its characterized in that:

a sunshade device capable of covering tea trees is arranged below the photovoltaic panel arrays on the support, the sunshade device comprises at least one sunshade module, the sunshade module comprises at least two sunshade cloth arrays of sunshade cloth and a pulley traction rope transmission system for driving the sunshade cloth in the arrays to be unfolded or folded between adjacent photovoltaic panel rows simultaneously;

the pulley traction rope transmission system comprises a driving wheel driven to rotate by power and a driven wheel set which is driven by the driving wheel and comprises a plurality of driven wheels, the driven wheels are sequentially connected in a winding manner through annular traction ropes to form a linked closed rope winding circuit, the driven wheels are arranged to be matched with the sunshade cloth array, and the traction ropes moving in the same direction are wound on two side edges of each sunshade cloth; the fixed edges of the sun-shading cloth are positioned below the corresponding photovoltaic panel rows and are fixed on the support, the two end parts of the moving edges are fixedly connected to the traction ropes on the corresponding sides, and the traction ropes drive the moving edges of the sun-shading cloth in the male shading module to be linked along the row direction; the sunshade cloth in the same row moves in the same direction, and when at least two rows of sunshade cloth exist, the sunshade cloth in the adjacent row moves in the opposite direction.

2. The sun-shading and heat-insulating device for the photovoltaic tea garden as claimed in claim 1, wherein: the sunshade cloth array is two rows and has at least two columns.

3. The sun-shading and heat-insulating device for the photovoltaic tea garden as claimed in claim 2, wherein: the driving wheel is arranged on the outer side of the traction rope on one side, close to the outer side, of the first row of sunshade cloth, and the driving wheel drives the driven wheel set to be linked through the winding connection with the traction rope.

4. The sun-shading and heat-insulating device for the photovoltaic tea garden as claimed in claim 3, wherein: the driving wheel is a double-rope groove pulley.

5. The sun-shading and heat-insulating device for the photovoltaic tea garden as claimed in any one of claims 2 to 4, wherein: the sunshade cloth array has N, the order of wiring the wiring line connection sunshade cloth is: firstly, winding the sun-shading cloth on the first row, and sequentially winding the sun-shading cloth on the first row and the first column to the Nth row of the first row; then the sun-shading cloth is wound to the second row of the sun-shading cloth, and the sun-shading cloth is wound to the first row of the second row and the first column of the second row from the Nth column of the second row in sequence.

6. The sun-shading and heat-insulating device for the photovoltaic tea garden as claimed in claim 5, wherein: in the driven wheel set, the driven wheel positioned at the junction of four adjacent sunshade cloth corners of the sunshade cloth array is two double-rope-groove pulleys or a four-rope-groove pulley.

7. The sun-shading and heat-insulating device for the photovoltaic tea garden as claimed in any one of claims 1 to 4, wherein: the support comprises an integral grid frame which is fixed at the upper end part of the vertical pile group and is composed of a cross beam and a longitudinal beam, the cross beam corresponds to the photovoltaic panel row and is positioned below the photovoltaic panel row, and each driven wheel is arranged on the corresponding cross beam or longitudinal beam.

8. The sun-shading and heat-insulating device for the photovoltaic tea garden as claimed in claim 7, wherein: the two end parts of the moving edge of the sun-shading cloth are also provided with walking wheels which can roll on the corresponding longitudinal beams; the driving wheel is driven by a motor to rotate; the sun-shading device also comprises a motor control unit, wherein the motor control unit comprises a temperature sensor and an illumination sensor which are electrically connected with the controller, and the controller is electrically connected with the motor.

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