CN215912073U

CN215912073U - Photovoltaic module cooling weeding integrated device

Info

Publication number: CN215912073U
Application number: CN202120148304.8U
Authority: CN
Inventors: 王宝文; 梅晓东; 陈娟
Original assignee: Sungrow Renewables Development Co Ltd
Current assignee: Sungrow Renewables Development Co Ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2022-02-25
Anticipated expiration: 2031-01-19

Abstract

The utility model provides a photovoltaic module cooling and weeding integrated device which comprises a water storage tank fixedly connected with a back plate of a photovoltaic module, wherein at least one water outlet pipe is arranged on the water storage tank, and the water outlet pipe can release water in the water storage tank to the ground. The utility model has the advantages that: utilize the waste heat heating water in the storage water tank of photovoltaic module electricity generation to can cool off photovoltaic module simultaneously, reduce the generated energy loss that the photovoltaic module temperature rise brought, hot water discharge after will heating utilizes the high temperature to destroy the protein structure of vegetation, and the vegetation growth is inhibited, direct action vegetation root, and weeding effect is good.

Description

Photovoltaic module cooling weeding integrated device

Technical Field

The utility model relates to the technical field of photovoltaic module weeding, in particular to a photovoltaic module cooling and weeding integrated device.

Background

Most of domestic photovoltaic power stations are located in mountainous regions, hills and wastelands, the occupied area of the photovoltaic power stations is generally wide, and a small number of operation and maintenance personnel are generally reserved after the power stations are built, so that various work such as power station weeding is difficult to take into consideration. If weeds or short shrubs in the photovoltaic power station grow and are not controlled, the weeds or the short shrubs can be higher than the lower edge of the component to generate shadow shielding, or the weeds or the short shrubs can directly cover the surface of the photovoltaic component. These influences cause the power generation capacity loss of the power station in a short time, and can cause the photovoltaic module to generate hot spots for a long time, thereby causing the photovoltaic module to be permanently damaged. If weeds are not cleared for a long time, the hay is piled up in autumn and winter, and even fire hazard can be generated.

The current general scheme is to organize artificial weeding for a plurality of times every year, and the working mode is original, the efficiency is low, and the cost is high. Especially in complex terrains such as mountainous regions, artificial weeding has great safety risk. Except that artifical weeding, modes such as herbicide of spraying still, but this kind of mode can produce serious residue, causes the pollution, and this kind of weeding mode has seriously destroyed the regeneration ability of plant, has destroyed the environment water and soil landscape of photovoltaic power plant originally, does not conform to the theory of photovoltaic green.

The utility model patent application with publication number CN111357468A discloses a full-automatic weeding robot for a photovoltaic power station, which automatically removes the weeds through the robot, and the utility model patent with publication number CN207916240U discloses a weed-prevention mat used around the photovoltaic power station, which removes the weeds through laying the weed-prevention mat, the cost of the two technologies is high, and the later maintenance is troublesome.

The utility model patent application with publication number CN110402910A discloses an automatic weeding device for a photovoltaic power station, which generates steam through a steam generator, sprays high-temperature steam to weeds when the height of the weeds reaches a preset standard, kills the weeds through the high-temperature action of the steam, and achieves the purpose of automatic weeding. This scheme uses spun steam most can only be used for the branch and leaf, then will be along with the air come-up, can't effectually carry out high temperature heating to the plant rhizome, and weeding effect is not good, needs butterfly heat trap power supply to generate heat moreover, has certain energy resource consumption.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a weeding device for effectively removing weeds by preheating of photovoltaic power generation.

The utility model solves the technical problems through the following technical scheme: the utility model provides a photovoltaic module cooling weeding integrated device, includes the storage water tank with photovoltaic module's backplate fixed connection, is provided with at least one outlet pipe on the storage water tank, the outlet pipe can release the water in the storage water tank to ground.

According to the utility model, the water in the water storage tank is heated by using the waste heat generated by the photovoltaic module, so that the photovoltaic module can be cooled simultaneously, the power generation loss caused by the temperature rise of the photovoltaic module is reduced, the heated hot water is discharged, the protein structure of vegetation is damaged by using high temperature, the vegetation growth is inhibited, the vegetation directly acts on the root of the vegetation, and the weeding effect is good.

Preferably, the water outlet pipe is provided with an electromagnetic valve.

Preferably, the photovoltaic module is obliquely arranged, and the water storage tank is in contact with the photovoltaic module for heat transfer or radiation heat transfer.

Preferably, the upper end of the water storage tank is provided with a water inlet, the water inlet is connected with a rain receiving plate, and the rain receiving plate inclines upwards relative to the water storage tank.

Preferably, the upper end of the water storage tank is connected with an external water source through a water inlet pipe.

Preferably, the water storage tank is of a cuboid structure.

Preferably, the water storage tank is of a structure formed by bending and arranging water pipes into a rectangular shape, a long waist shape or a circular shape.

Preferably, a temperature sensor in communication connection with the electromagnetic valve is arranged in the water storage tank.

Preferably, a spray head is arranged at the end part of the water outlet pipe.

Preferably, the water outlet pipe is connected with a heating box, an electric heater is arranged in the heating box, and a water tank valve is connected to the heating box.

Preferably, the water outlet pipe is connected with a water bag, and the water bag is pasted on the ground.

Preferably, the water bag is connected with the water storage tank through a water return pipe, and a water pump is arranged on the water return pipe.

The photovoltaic module cooling and weeding integrated device provided by the utility model has the advantages that: utilize the waste heat heating water in the storage water tank of photovoltaic module electricity generation to can cool off photovoltaic module simultaneously, reduce the generated energy loss that the photovoltaic module temperature rise brought, hot water discharge after will heating utilizes the high temperature to destroy the protein structure of vegetation, and the vegetation growth is inhibited, direct action vegetation root, and weeding effect is good. Can use along with photovoltaic module installs together, reduces subsequent maintenance cost, and is higher than prior art such as mechanical trolley reliability, uses non-chemical method to clear away weeds, and is friendly to the environment, and the accessible is applied in the water bag on ground and is stored high-temperature water and weed, and in the water storage tank can be got back to once more to the water after the cooling, the reduction water consumption kept the inside cleanness of water storage tank.

Drawings

Fig. 1 is a schematic view of a photovoltaic module cooling and weeding integrated device according to a first embodiment of the present invention;

fig. 2 is a schematic view of a photovoltaic module cooling and weeding integrated device provided in the second and third embodiments of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention are described below in detail and completely with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

As shown in fig. 1, this embodiment provides a photovoltaic module cooling weeding integrated device, including with photovoltaic module 1's backplate fixed connection's storage water tank 2, be provided with at least one outlet pipe 3 on the storage water tank 2, outlet pipe 3 can release the water in the storage water tank 2 subaerial.

This embodiment is through setting up storage water tank 2 on photovoltaic module 1's backplate, utilizes the waste heat heating storage water tank 2 water of photovoltaic module 1 electricity generation to can cool off photovoltaic module 1 simultaneously, improve the generated energy, water in storage water tank 2 is heated the back, through outlet pipe 3 discharge on the bottom surface on photovoltaic module 2 next door, thereby destroy the protein structure of vegetation through high temperature, restrain the vegetation and grow, thereby effectually clear away weeds. The waste heat of photovoltaic power generation is rich, the temperature rise is stable, hot water can be continuously provided for a long time, the active period of weed growth is 6-10 months, the temperature of the photovoltaic module 1 in most areas corresponding to the time can reach more than 85 ℃, the power generation loss caused by the temperature rise of the photovoltaic module 1 can be reduced through water cooling, the vegetation can be effectively prevented from excessively growing, the method is environment-friendly, directly acts on the root of the vegetation, the weeding effect is good,

the water outlet pipe 3 is further provided with an electromagnetic valve 4, the water storage tank 2 is further internally provided with a temperature sensor 21 in communication connection with the electromagnetic valve 4, when the temperature in the water storage tank 2 reaches a preset value, the temperature sensor 21 sends a signal to open the electromagnetic valve 4, so that hot water flows out to weed, and in the implementation, the preset value of water drainage is 75 ℃.

The photovoltaic module 1 is obliquely arranged, the surface of the photovoltaic module 1 generally faces the sun direction to improve the received illumination, the water storage tank 2 is tightly attached to or has a gap with a back plate of the photovoltaic module 1 so as to be capable of directly contacting and transferring heat or transferring heat by radiation, the water storage tank 2 is of a cuboid structure, the water storage tank 2 can be connected with the photovoltaic module 1 in a conventional fixing mode such as bolts, anchoring and welding, and the photovoltaic module 1 is fixed on the ground in a photovoltaic module fixing mode in the prior art; the water inlet (not shown) has been seted up to the upper end of storage water tank 2, the water inlet is connected with and connects rain board 5, connect the relative storage water tank tilt up setting of rain board 5 to conveniently collect the rainwater, collect the rainwater and heat the weeding, do not need additionally to provide other water sources, practice thrift the energy consumption.

The tip of outlet pipe 3 is provided with shower nozzle 6, can be directional through shower nozzle 6 set up hot water blowout direction, can spray to the heavy point position, all need weed around photovoltaic module 1, so can make outlet pipe 3 connect a plurality of shower nozzles 6 that the orientation is different, perhaps set up a plurality of outlet pipes 3 on storage water tank 2, shower nozzle 6 on the outlet pipe 3 is towards different directions respectively.

Example two

Referring to fig. 2, the difference between the first embodiment and the second embodiment is that the water storage tank 2 is connected to an external water source through a water inlet pipe 7, a water pump is arranged on the water inlet pipe 7 as required, and when water is needed, the water from the external water source is pumped into the water storage tank 2 for heating, so that the water storage tank is suitable for an area with insufficient precipitation.

EXAMPLE III

Referring to fig. 2, the difference between this embodiment and the first and second embodiments is that the water outlet pipe 3 is connected to a heating tank 8, the water heated in the water storage tank 2 is firstly sent to the heating tank 8, an electric heater 81 is arranged in the heating tank 8, a water tank valve 82 is connected to the heating tank 8, the electric heater 81 is powered by the photovoltaic module 1, the water in the heating tank 8 can be heated to boiling or other set temperature again by the electric heater 81, when the water temperature reaches the set value, the water tank valve 82 is opened to drain water, so that hot water with higher temperature is used to remove weeds, and when the illumination temperature is insufficient, the weeding operation can be effectively performed.

Example four

The difference between this embodiment and the first, second and third embodiments is that the water outlet pipe 3 is connected with a water bag (not shown), and the water bag is applied to the ground so as to directly heat the ground when high-temperature water is stored in the water bag, thereby ensuring that no weeds grow in the arrangement range of the water bag, having good weeding effect and controllable use range.

Furthermore, the water bag is connected with the water storage tank 2 through a water return pipe (not shown), the water return pipe is provided with a water pump, and after the water in the water bag is cooled, the water is pumped back into the water storage tank 2 through the water pump to be reheated, so that the water consumption is reduced, the whole process is not in contact with external air, the cleanness inside the water storage tank 2 is guaranteed, and blockage is prevented.

EXAMPLE five

The difference between the present embodiment and the first to fourth embodiments is that the water storage tank 2 is a structure formed by bending and arranging water pipes into a rectangular shape, a long waist shape or a circular shape, the water pipes can be directly contacted with the photovoltaic module 1, or gaps exist for radiation heating, and the water pipes 1 can be fixed on the back of the photovoltaic module 1 in the existing manner of screwing and clamping. The water storage tank 2 can also be made of a honeycomb plate structure in the prior art.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a photovoltaic module cooling weeding integrated device which characterized in that: the water storage tank is fixedly connected with a back plate of the photovoltaic module, at least one water outlet pipe is arranged on the water storage tank, and water in the water storage tank can be released to the ground through the water outlet pipe.

2. The integrated cooling and weeding device for the photovoltaic module as claimed in claim 1, wherein: and the water outlet pipe is provided with an electromagnetic valve.

3. The integrated cooling and weeding device for the photovoltaic module as claimed in claim 1, wherein: the photovoltaic module is obliquely arranged, and the water storage tank is in contact with a back plate of the photovoltaic module for heat transfer or radiation heat transfer.

4. The integrated cooling and weeding device for the photovoltaic module as claimed in claim 1, wherein: the upper end of the water storage tank is provided with a water inlet, the water inlet is connected with a rain receiving plate, and the rain receiving plate inclines upwards relative to the water storage tank.

5. The integrated cooling and weeding device for the photovoltaic module as claimed in claim 1, wherein: the upper end of the water storage tank is connected with an external water source through a water inlet pipe.

6. The integrated cooling and weeding device for the photovoltaic module as claimed in claim 1, wherein: the water storage tank is of a cuboid structure.

7. The integrated cooling and weeding device for the photovoltaic module as claimed in claim 1, wherein: the water storage tank is of a structure that water pipes are bent and arranged into a rectangular shape, a long waist shape or a circular shape.

8. The integrated cooling and weeding device for the photovoltaic module as claimed in claim 2, wherein: and a temperature sensor in communication connection with the electromagnetic valve is arranged in the water storage tank.

9. The integrated cooling and weeding device for the photovoltaic module as claimed in claim 1, wherein: and the end part of the water outlet pipe is provided with a spray head.

10. The integrated cooling and weeding device for the photovoltaic module as claimed in claim 1, wherein: the water outlet pipe is connected with a heating box, an electric heater is arranged in the heating box, and a water tank valve is connected to the heating box.

11. The integrated cooling and weeding device for the photovoltaic module as claimed in claim 1, wherein: the water outlet pipe is connected with a water bag, and the water bag is pasted on the ground.

12. The integrated cooling and weeding device for the photovoltaic module as claimed in claim 11, wherein: the water bag is connected with the water storage tank through a water return pipe, and a water pump is arranged on the water return pipe.