CN215682210U - Photovoltaic intelligent planting device for desertification control - Google Patents

Abstract

The utility model relates to an intelligent photovoltaic sand control planting device which comprises a shell, a photovoltaic power generation unit, a condensation water storage unit and a control unit, wherein the photovoltaic power generation unit, the condensation water storage unit and the control unit are arranged in the shell; the photovoltaic power generation unit comprises a solar panel, a cleaning device, a holder tracking device and an electric power storage device; the cleaning device is arranged on the top of the solar panel and can move up and down along the surface of the solar panel, and is connected with the condensed water storage unit through a pipeline; the holder tracking device is fixed on the inner bottom surface of the shell and supports the solar panel; the electric power storage device is electrically connected with the solar panel and is used for storing the electric power converted by the solar panel. Compared with the prior art, the solar panel angle adjusting device has the advantages that the flexible adjustment of the angle of the solar panel and the automatic cleaning of the surface of the solar panel are realized, the working efficiency of the solar panel is improved, and the manual operation is reduced.

Description

Photovoltaic intelligent planting device for desertification control

Technical Field

The utility model relates to the field of photovoltaic power generation, in particular to a photovoltaic sand control intelligent planting device.

Background

The desert area is not only an important energy base in China, but also an ecological environment fragile area and a development lag area, in partial desert areas in China, the illumination time is more than 3300 hours in a year, and the Gobi desert area is not used by more than ten thousand square kilometers of land, so that the desert area is a waste of resources. The desert area has the characteristics of low land cost, dry climate and the like, provides good conditions for the development of solar energy in China, and has large solar photovoltaic power generation capacity, in 2014, the solar energy loading capacity in China is 5.3 gigawatts; by the end of 2016, the loading capacity reaches 8 gigawatts, which is not much different from the Gezhou dam hydropower station in the Wen republic of China.

In fact, the main reason for land desertification is that the evaporation capacity is far greater than the precipitation capacity, and the solar panel used in the desert can shield the land to a great extent and prevent wind, so as to inhibit the desert sand storm and be beneficial to the growth of green plants and crops. In recent years, a large number of solar power generation systems have been built in many areas in China, solar panels are used for absorbing and converting solar energy into heat energy or electric energy, and the cumulative installation amount of photovoltaic power stations in Gansu, Qinghai, Xinjiang (including Xinjiang production and construction groups), Ningxia and inner Mongolia reaches 50.88GW which accounts for 25.0% of the cumulative installation amount of the whole country.

However, in practical application, it is found that the existing solar panel cannot be flexibly adjusted, the solar efficiency at different moments is not fully exerted due to the cosine effect generated by oblique irradiation of the sun, so that the annual power generation loss of the photovoltaic power station is very serious, and the photovoltaic power station can only be cleaned by a solar photovoltaic panel cleaning machine manually, so that the time consumption, the labor consumption and the efficiency are not high.

Chinese patent CN108923727A discloses a photovoltaic power generation device for in desert, the on-line screen storage device comprises a base, first bracing piece, the second bracing piece, the installed part, a groove, the solar energy electroplax, the water storage box, the drinking-water pipe, the suction pump, first hose, the fixed bolster, the pneumatic cylinder, the water-feeding tank, the suction pump is linked together with the water-feeding tank through first hose, water-feeding tank one side is equipped with the second hose, wiper mechanism is installed to the tailpiece of the piston rod portion of pneumatic cylinder, wiper mechanism includes the casing, be equipped with hair-dryer and force (forcing) pump in the casing, the force (forcing) pump is connected with the air outlet with the output of hair-dryer runs through the casing bottom, the bottom of force (forcing) pump is connected with the shower nozzle, the equal perpendicular to surface of solar energy electroplax of air outlet and shower nozzle. The device has only set up the water storage tank and be used for wasing the water supply, still need carry out the moisturizing operation to it through manual work or other modes, wastes time and energy.

Chinese patent CN112260644A discloses an automatic photovoltaic equipment that floats and sinks in desert area, including the mounting panel, the fixed photovoltaic board that is equipped with of mounting panel upside, the mounting panel right side is equipped with sand and dust brush power device, and sand and dust brush power device rotates and is equipped with sand and dust brush, and sand and dust brush sweeps photovoltaic board upside sand, and the mounting panel downside is equipped with the activity chamber that the opening is decurrent. The device removes the dust and sand on photovoltaic board surface through the dust and sand brush, nevertheless can't cool down for photovoltaic board surface, leads to conversion efficiency to reduce.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide the photovoltaic intelligent planting device for desertification control. The flexible adjustment of the angle of the solar panel and the automatic cleaning of the surface of the solar panel are realized, the working efficiency of the solar panel is improved, and the manual operation is reduced.

The purpose of the utility model is realized by the following technical scheme:

a photovoltaic sand control intelligent planting device comprises a shell, a photovoltaic power generation unit, a condensation water storage unit and a control unit, wherein the photovoltaic power generation unit, the condensation water storage unit and the control unit are arranged in the shell;

the photovoltaic power generation unit comprises a solar panel, a cleaning device, a holder tracking device and an electric power storage device; the cleaning device can be arranged at the top of the solar panel in a manner of moving up and down along the surface of the solar panel, is connected with the condensation water storage unit through a pipeline and is used for cleaning and scouring the surface of the solar panel; the holder tracking device is fixed on the inner bottom surface of the shell and supports the solar panel; the electric power storage device is electrically connected with the solar panel and is used for storing the electric power converted by the solar panel;

the control unit comprises a human-computer interaction component and a control component, and the control component is electrically connected with the power storage device, the cleaning device, the holder tracking device, the condensation water storage unit and the human-computer interaction component.

Preferably, cloud platform tracking means including distribute in the photoresistor mechanism on solar panel and connect steering wheel group, steering support and the section bar pillar between solar panel and the interior bottom surface of shell.

Preferably, the photoresistor mechanism is composed of a plurality of photoresistors which are distributed around the solar panel and electrically connected with the control component.

Preferably, the lower end of the profile strut is fixed on the inner bottom surface of the shell; the steering support is rotatably arranged at the top of the section bar support and is fixed on the back of the solar panel; the steering engine group is arranged in the steering support, is electrically connected with the control component and is used for being matched with the steering support to rotate the solar panel by 360 degrees.

Preferably, the condensed water storage unit comprises a refrigerator, a fan, a profile post and a water reservoir.

Preferably, the profile supporting columns are provided with a plurality of, preferably four, and are fixedly connected to the inner bottom surface of the shell; the refrigerator and the fan are fixedly connected with the section bar support and electrically connected with the control assembly, the refrigerator is used for obtaining condensed water, and the fan is used for blowing hot air; the water storage device is respectively connected with the refrigerator and the cleaning device through pipelines and used for storing condensed water obtained by condensation of the refrigerator and providing clean water when the solar panel needs to be cleaned.

Preferably, the refrigerator is a semiconductor refrigeration piece or an air pump, and when the refrigerator is the semiconductor refrigeration piece, the Peltier effect of the semiconductor material is utilized to obtain condensed water; when the refrigerator is an air pump, the air pump delivers hot air to a water reservoir buried in underground low-temperature soil, and water is condensed out by means of temperature difference.

Preferably, the profile support is an aluminum profile support.

Preferably, the power storage device is a lithium battery.

Preferably, the bottom surface of the shell is further paved with vegetation, so that the temperature of the solar panel can be reduced while greening is increased, and the energy conversion efficiency is improved.

The working principle of the utility model is as follows:

firstly, a man-machine interaction component is started, and the whole device is started through a set program. An operator can input an instruction or select a built-in instruction to operate through the man-machine interaction assembly, the instruction is sent to the control assembly to be processed, and then the instruction is sent to each component through the control assembly to adjust the device.

Daytime, solar panel receives the sunlight to convert the electric energy into and carry to the lithium cell and store, set up whether solar panel is in the maximum area photic with control module real time monitoring solar panel around solar panel, and operate adjustment solar panel to optimum angle through a plurality of steering wheel joint operation of cloud platform adjusting device rudder unit, maximum area photic angle promptly, when being in optimum angle, cloud platform adjusting device stop work.

At night, the control assembly controls the condensation water storage unit to start water storage, wherein water in the air condensed by the refrigerator forms condensed water, the condensed water flows into the water storage device to be stored, the fan continuously blows hot air to supplement air for the refrigerator, the circulation is driven, the temperature is reduced, and the condensation efficiency is improved.

When the surface sand dust of the solar panel reaches a certain amount or the surface temperature is too high, the control assembly starts the cleaning device, the cleaning device forms a water curtain on the surface of the solar panel and moves from top to bottom, the purpose of cleaning the solar panel is achieved through rotation of the rolling brush and water spraying, and water washed off becomes vegetation water and falls on vegetation to keep water and soil.

Compared with the prior art, the utility model has the following beneficial effects:

1. solar panel's cloud platform is tracked. Through the establishment of cloud platform tracer, can the automatic tracking sun position, look for the optimum angle of being shaded, improve solar panel's work efficiency, compare in the photovoltaic power generation equipment who does not have the device of following spot, can promote about 10 ~ 20% generating efficiency.

2. Energy-saving application of water resources. Adopt simple belt cleaning device to realize the automatic function of washing of clear water, not only wash the photovoltaic board surface, still reduced the temperature rise of solar photovoltaic board for the work efficiency of solar photovoltaic board improves, can also irrigate the green vegetation under the solar photovoltaic board simultaneously, and compare and to wash about 235ml/m can be practiced thrift in the manual work²The solar photovoltaic panel power generation device solves two problems of power generation of the solar photovoltaic panel and reduces resource waste.

3. A night air condenser is added. Through setting up the condensation retaining unit, can "catch" the vapor that runs off in a large amount in the desert at night to "retrieve" the watering that is used for solar panel's washing and green planting, really reach the resource utilization maximize. Not only can reduce external moisturizing, can also improve solar panel cleaning frequency, and then promote the generating efficiency.

4. Planting green vegetation. The vegetation is planted near the solar panel, so that the air temperature near the solar panel can be reduced by about 2-3 ℃, the power generation efficiency is improved by about 1%, the thermodynamic balance of sand can be controlled to a certain extent, the sand storm is reduced, and the desertification is prevented.

5. Whole device environmental protection green, it is simple light, and the design direction constantly strives for the resource utilization maximize, and the integrated system is complete, energy-conserving, need not manual operation in the use, and the low price is suitable for, the popularization nature is extremely strong.

Drawings

Fig. 1 is a perspective view of the device.

Fig. 2 is a schematic perspective view of the device from another perspective.

Fig. 3 is a partially enlarged schematic view of a condensed water storage unit in the apparatus.

In the figure: 1-a housing; 2-a solar panel; 3-a cleaning device; 4-a pan-tilt tracking device; 41-rudder unit; 42-a steering bracket; 5-profile posts; 6-condensation water storage unit; 61-a refrigerator; 62-a fan; 63-a water reservoir; 7-a human-computer interaction component; 8-control the assembly.

Detailed Description

The utility model is described in detail below with reference to the figures and specific embodiments.

Example 1

An intelligent photovoltaic sand control planting device is shown in figures 1-3 and comprises a shell 1, a photovoltaic power generation unit, a condensation water storage unit 6 and a control unit, wherein the photovoltaic power generation unit, the condensation water storage unit 6 and the control unit are arranged in the shell 1;

the photovoltaic power generation unit comprises a solar panel 2, a cleaning device 3, a holder tracking device 4 and an electric power storage device; the cleaning device 3 is arranged at the top of the solar panel 2 and can move up and down along the surface of the solar panel 2 and is connected with the condensed water storage unit 6 through a pipeline; the holder tracking device 4 is fixed on the inner bottom surface of the shell 1 and supports the solar panel 2; the electric storage device is electrically connected with the solar panel 2 and is used for storing the electric power converted by the solar panel 2;

the control unit comprises a human-computer interaction component 7 and a control component 8, and the control component 8 is electrically connected with the power storage device, the cleaning device 3, the holder tracking device 4, the condensation water storage unit 6 and the human-computer interaction component 7.

More specifically, in the present embodiment:

the pan-tilt tracking device comprises a photoresistor mechanism, a steering engine group 41, a steering support 42 and an aluminum profile strut 5. The photoresistor mechanism includes a plurality of photoresistors to distribute and set up around solar panel 2, be connected with control assembly 8 electricity, monitor solar panel 2 jointly and be in maximum area photic. The photoresistor can be made of JCHL (JCHL) of Chichu and Li corporation. The aluminum profile support 5 is fixed on the inner bottom surface of the shell 1, the top of the aluminum profile support is provided with a steering support 42, and the steering support 42 is fixed on the back surface of the solar panel 2. The rudder unit 41 comprises two steering engines, the steering engine unit is respectively arranged inside the steering support 42 and close to the back of the aluminum section strut 5 and the solar panel 2, and is matched with the steering support 42 and the control component 8, the angle of the solar panel 2 is adjusted by 360 degrees, so that the solar panel 2 is always at the maximum area light receiving angle, and the photovoltaic power generation efficiency is improved.

In this embodiment, belt cleaning device 3 sets up in solar panel 2 top to link to each other through the pipeline with the cistern 63 of condensation water storage unit 6, when the sand and dust on solar panel 2 surface needs to be washd, can extract the water of storing in the cistern 63, form the water curtain on solar panel 2 surface and erode, erode the direct vegetation of watering bottom surface in laying shell 1 that gets off, be favorable to the growth of vegetation, and can effectively keep water and soil. Preferably, in this embodiment, the cleaning device 3 can move up and down on the surface of the solar panel 2 by a stepping motor, and the purpose of cleaning and washing the surface of the solar panel 2 is achieved by a rolling brush arranged on the surface side of the solar panel 2 and water sprayed from a water spraying opening. As shown in table 1, after the dust on the surface of the solar panel 2 is washed away, the conversion efficiency of the solar panel 2 can be effectively improved.

TABLE 1 Voltage, Current and charging Current of solar panels with and without Sand coverage

Time	9：30	10：45	11：45	12：50	14：30
						voltage/V at no sand	11.45	11.97	12.04	12.3	12.38
voltage/V with sand	11.17	11.62	11.76	11.8	11.93
						current/A in the absence of sand	1.25	1.33	0.97	0.67	1.31
Current in presence of sand/A	0.59	0.78	0.41	0.3	0.68
						Charging current/A in the absence of sand	1.2	1.07	0.96	0.66	1.2
Charging current/A in the presence of sand	0.61	0.72	0.38	0.36	0.68

In this embodiment, the storage device is a lithium battery, stores the electric power converted by the solar panel 2, and can supply power to the entire device.

In the present embodiment, the condensed water storage unit 6 includes a refrigerator 61, a fan 62, an aluminum pillar 5, and a water reservoir 63. The aluminum profile support columns 5 are provided with 4 aluminum profile support columns which are all fixed on the inner bottom surface of the shell 1, and the refrigerator 61 and the fan 62 are fixedly connected with the aluminum profile support columns 5 and electrically connected with the control assembly 8. The water reservoir 63 is connected to the refrigerator 61 and the cleaning device 3 through pipes for storing condensed water obtained by condensation of the refrigerator 61 and providing clean water when the solar panel 2 needs to be cleaned. In this embodiment, the refrigerator 61 is a semiconductor refrigerating sheet, and vapor in air is condensed at the cold end by using the Peltier effect of a semiconductor material, and the condensed water flows into the water reservoir 63. Constantly supply fresh air for the cold end through fan 62, cool down for the hot end simultaneously, can improve the condensation effect.

As a preferred scheme, the refrigerator 61 can be an air pump, at the moment, the water storage device 63 is buried in underground low-temperature soil, hot air is conveyed into the water storage device 63 through the air pump, dew point condensation water is achieved by means of temperature difference, more condensate can be obtained, and energy consumption is lower.

In this embodiment, the human-computer interaction component 7 and the control component 8 are both disposed on the housing 1, the human-computer interaction component 7 can input a program or call the set program, and transmit a signal to the control component 8, and then the control component 8 regulates and controls the operation of the whole set of device. The human-computer interaction component 7 adopts a human-computer interaction screen (for example, a touch screen), and the control component 8 can adopt an MKS Gen V1.42560 main control board.

In this embodiment, the bottom surface still has laid multiple vegetation in the shell 1, both can effectively reduce solar panel 2's temperature, as shown in table 2, improves solar panel 2's conversion efficiency, can also effectively convert solar radiation, adjust the thermal equilibrium of desert, gobi, weaken the power that the sand storm and wind and sand flow take place to develop. Since the solar panel 2 is a semiconductor device, when the voltage decreases by 0.35% of the reference voltage (open circuit voltage at 25 ℃) for every 1 ℃ rise in temperature, the conversion efficiency is further decreased. As can be seen from table 2, the temperature difference of the solar panel 2 can reach more than 2 ℃ with or without vegetation at different times, which further results in the energy conversion efficiency difference of about 1%.

TABLE 2 temperature of solar Panel under different conditions

Time	9：30	10：45	11：45	12：50	14：30
						temperature/deg.C when vegetation is present	42	44.5	42.6	43	49
temperature/deg.C for non-vegetated plants	46.5	46.5	46.4	45	51

The working principle of the utility model is as follows:

firstly, the man-machine interaction component 7 is started, and the whole device is started through a set program. An operator can input an instruction or select a built-in instruction to operate through the man-machine interaction assembly 7, the instruction is sent to the control assembly 8 to be processed, and then the instruction is sent to each component through the control assembly 8 to adjust the device.

Daytime, solar panel 2 receives the sunlight to convert the electric energy into and carry to the lithium cell storage, set up whether solar panel 2 is in the biggest area photic with 8 real time monitoring solar panel of control unit in solar panel 2 all around, and adjust solar panel 2 to optimum angle, the biggest area photic angle promptly through the rudder unit 41 joint operation of cloud platform adjusting device 4, when being in optimum angle, cloud platform adjusting device 4 stop work.

At night, the control component 8 controls the condensed water storage unit 6 to store water, wherein the refrigerator 61 condenses moisture in the air to form condensed water, the condensed water flows into the water storage device 63 to be stored, the fan 62 continuously blows hot air to supplement air for the refrigerator 61, so that circulation is driven, the temperature is reduced, and the condensation efficiency is improved.

When the surface dust of solar panel 2 reaches a certain amount or the surface temperature is too high, controlling element 8 opens belt cleaning device 3, and belt cleaning device 3 forms the water curtain on solar panel 2 surface to from top to bottom removes, reaches the purpose of washing solar panel 2 through the round brush rotation and water spray, and the water that washes away becomes vegetation water, falls on the vegetation, keeps water and soil.

The embodiments described above are intended to facilitate the understanding and use of the utility model by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims (10)

1. The photovoltaic intelligent planting device for sand control is characterized by comprising a shell (1), a photovoltaic power generation unit, a condensation water storage unit (6) and a control unit, wherein the photovoltaic power generation unit, the condensation water storage unit and the control unit are arranged in the shell (1);

the photovoltaic power generation unit comprises a solar panel (2), a cleaning device (3), a holder tracking device (4) and an electric power storage device; the cleaning device (3) can be arranged at the top of the solar panel (2) along the surface of the solar panel (2) in a manner of moving up and down and is connected with the condensed water storage unit (6) through a pipeline; the holder tracking device (4) is fixed on the inner bottom surface of the shell (1) and supports the solar panel (2); the electric power storage device is electrically connected with the solar panel (2) and is used for storing the electric power converted by the solar panel (2);

the control unit comprises a human-computer interaction component (7) and a control component (8), wherein the control component (8) is electrically connected with the power storage device, the cleaning device (3), the holder tracking device (4), the condensed water storage unit (6) and the human-computer interaction component (7).

2. The intelligent photovoltaic sand control planting device according to claim 1, wherein the pan-tilt tracking device (4) comprises a photoresistor mechanism distributed on a solar panel, and a rudder unit (41), a steering bracket (42) and a profile post (5) which are connected between the solar panel and the inner bottom surface of the housing (1).

3. The intelligent photovoltaic sand control planting device as claimed in claim 2, wherein the photoresistor mechanism is composed of a plurality of photoresistors which are distributed around the solar panel (2) and electrically connected with the control component (8).

4. The photovoltaic intelligent planting device for desertification control according to claim 2,

the lower end of the section bar strut (5) is fixed on the inner bottom surface of the shell (1);

the steering support (42) is rotatably arranged at the top of the profile strut (5) and is fixed on the back of the solar panel (2);

the rudder unit (41) is arranged in the steering support (42), is electrically connected with the control assembly (8) and is used for being matched with the steering support (42) to rotate the solar panel (2) by 360 degrees.

5. The photovoltaic desertification control intelligent planting device according to claim 1, wherein the condensed water storage unit (6) comprises a refrigerator (61), a fan (62), a profile post (5) and a water reservoir (63).

6. The photovoltaic intelligent planting device for desertification control according to claim 5,

the section bar support column (5) is fixedly connected to the inner bottom surface of the shell (1);

the refrigerator (61) and the fan (62) are fixedly connected with the profile strut (5) and electrically connected with the control component (8);

the water storage device (63) is respectively connected with the refrigerator (61) and the cleaning device (3) through pipelines.

7. The photovoltaic intelligent planting device for desertification control according to claim 6, wherein the refrigerator (61) is a semiconductor refrigeration sheet or an air pump.

8. The intelligent photovoltaic desertification control planting device according to claim 2 or 5, wherein the section bar support column (5) is an aluminum section bar support column.

9. The intelligent photovoltaic sand control planting device as claimed in claim 1, wherein the power storage device is a lithium battery.

10. The photovoltaic intelligent planting device for desertification control according to claim 1, wherein vegetation is further paved on the inner bottom surface of the shell (1).

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