CN212733229U - Photovoltaic module spraying system without shielding - Google Patents
Photovoltaic module spraying system without shielding Download PDFInfo
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- CN212733229U CN212733229U CN202020695978.5U CN202020695978U CN212733229U CN 212733229 U CN212733229 U CN 212733229U CN 202020695978 U CN202020695978 U CN 202020695978U CN 212733229 U CN212733229 U CN 212733229U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a non-shielding photovoltaic component spraying system, which comprises a water supply pipe and a spraying component; the spray assembly comprises: a water supply pipe communicating with the water supply pipe; a shower head mounted to the water supply pipe; the water pressure response assembly is used for driving the spray header to move to a spraying position when the water pressure in the water supply pipe and/or the water supply pipe reaches a response value, so that the spray header is positioned above an external photovoltaic assembly; and when the water pressure in the water supply pipe and/or the water supply pipe is lower than the response value, the spray head is driven to move to the retracted position, so that the projection of the spray head and the external photovoltaic module in the vertical direction is not overlapped. The utility model provides a deformable spraying system, it has increased water pressure response subassembly, does not need spraying system during operation, and the shower head receives to withdraw the position, makes the shower head not shelter from in the photovoltaic module top, and the shadow region of shower head can not influence the absorption that photovoltaic module set a light.
Description
Technical Field
The utility model relates to a photovoltaic module maintenance of equipment technical field especially relates to a photovoltaic module spraying system that does not have and shelters from.
Background
The photovoltaic module is generally arranged outdoors, and dust or other pollutants are difficult to fall off and need to be cleaned regularly in the long-term use process; in addition, in some areas, rainwater has certain corrosivity, and after raining, the photovoltaic module needs to be cleaned and maintained; in the prior art, a spraying device is generally arranged above a photovoltaic module, so that the surface of the photovoltaic module is cleaned by spraying and washing.
However, the existing spraying device is located above the photovoltaic module for a long time, so that a shadow of the spraying device is formed on the photovoltaic module, and the shadow area can affect the utilization of light by the photovoltaic module, reduce the power generation efficiency and even possibly cause a hot spot effect.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an aim at: the utility model provides a photovoltaic module spraying system who does not have and shelter from adopts water pressure response subassembly among this system, through to hydraulic response, when need not spraying the work, withdraws the shower head to avoid the influence of shower head shadow region to photovoltaic module, improve photovoltaic module's generating efficiency.
In order to achieve the purpose, the utility model adopts the following technical proposal:
an unobstructed photovoltaic module spray system, comprising:
supply pipe and spray set, spray set includes:
a water supply pipe communicating with the water supply pipe;
a shower head mounted to the water supply pipe;
the water pressure response assembly is used for driving the spray header to move to a spraying position when the water pressure in the water supply pipe and/or the water supply pipe reaches a response value, so that the spray header is positioned above an external photovoltaic assembly; and when the water pressure in the water supply pipe and/or the water supply pipe is lower than the response value, the spray head is driven to move to the retracted position, so that the projection of the spray head and the external photovoltaic module in the vertical direction is not overlapped.
Preferably, the water supply device further comprises a mounting frame, and the water supply pipe is connected with the mounting frame through a sliding pair; the hydraulic response assembly comprises a hydraulic tappet, one end of the hydraulic tappet is communicated with the water supply pipe, and the rod part of the hydraulic tappet is connected with the water supply pipe;
when the water pressure in the water supply pipe reaches the response value, the rod part of the hydraulic tappet extends outwards to drive the water supply pipe to move along the moving pair, so that the spray head is driven to move to the spraying position; when the water pressure in the water supply pipe is lower than the response value, the rod part of the hydraulic tappet retracts inwards to drive the water supply pipe to move along the moving pair, so that the spray head is driven to move to the retraction position.
Preferably, the hydraulic response assembly comprises a hydraulic sensor and a driving mechanism which are in communication connection with the control module; the hydraulic sensor is used for detecting the water pressure in the water supply pipe; the control module is used for sending an unfolding instruction to the driving mechanism when the water pressure in the water supply pipe reaches the response value, and sending a withdrawing instruction to the driving mechanism when the water pressure in the water supply pipe is lower than the response value; the driving mechanism is used for driving the spray header to move to the spraying position when receiving an unfolding instruction, and is used for driving the spray header to move to the retracting position when receiving a retracting instruction.
Preferably, the water supply device further comprises a mounting frame, the water supply pipe is connected with the mounting frame through a sliding pair, and the driving mechanism is connected with the water supply pipe; the driving mechanism is used for driving the water supply pipe to move along the moving pair so as to enable the spray header to move between the spraying position and the withdrawing position.
Preferably, the water pressure response assembly comprises a spring, the water supply pipe is provided with a mounting hole, the end part of the spray header is connected with the inner wall of the water supply pipe through the spring, and the spring is used for providing an elastic force for keeping the spray header at the retracted position;
when the water pressure in the water supply pipe reaches the response value, the water flow pressure acting on the end part of the spray head is larger than the elastic force provided by the spring, and the spray head is driven to move to the spray position in the direction extending out of the water supply pipe by the water flow pressure; when the water pressure in the water supply pipe is lower than the response value, the water flow pressure acting on the end part of the spray header is smaller than the elastic force provided by the spring, and the spring keeps the spray header at the retracted position.
Preferably, the spraying device is characterized in that a plurality of groups of spraying assemblies are arranged; the water supply pipe is provided with a plurality of water supply interfaces, and the water supply pipe in the spray assembly is connected with the water supply interfaces.
Preferably, the water supply device further comprises a first water pump and a water inlet pipe group, wherein the water inlet pipe group is provided with at least two water inlets and one water outlet, one end of the first water pump is connected with the water inlet pipe group through the water outlet, and the other end of the first water pump is connected with the water supply pipe.
Preferably, the water supply system further comprises a booster pump and/or a variable frequency pump arranged between the first water suction pump and the water supply pipe.
Preferably, the water pump further comprises a compensation water supply assembly, wherein the compensation water supply assembly comprises a compensation water pipe and a second water suction pump; and one end of the compensation water pipe is connected with the water suction pump, and the other end of the compensation water pipe is connected with the water supply pipe.
Preferably, the water supply pipe is a PE pipe.
The utility model has the advantages that: the deformable spraying system is additionally provided with the water pressure response assembly, and when the spraying system is not needed to work, the spraying head is retracted to a retraction position, so that the spraying head is not shielded above the photovoltaic assembly, and the shadow area of the spraying head cannot influence the absorption of the photovoltaic assembly on light.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic perspective view of a spraying system according to an embodiment of the present invention;
fig. 2 is a first schematic view of the operating state of the spraying system according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating a working state of the spraying system in an embodiment of the present invention;
fig. 4 is a schematic view showing a hydraulic response of a spraying system according to a second embodiment of the present invention;
fig. 5 is a schematic view showing the water pressure response of the spraying system in the second embodiment of the present invention;
fig. 6 is a schematic water supply diagram of the spraying system according to the embodiment of the present invention.
In the figure: 10. a water supply pipe; 20. a spray assembly; 21. a water supply pipe; 22. a shower head; 231. a hydraulic tappet; 232. a drive mechanism; 233. a spring; 24. a sliding pair; 30. a mounting frame; 40. a first water pump; 50. a compensating water supply assembly; 51. a second water pump; 52. a compensation water pipe; 90. provided is a photovoltaic module.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "fixed" are to be understood broadly, e.g. as a fixed connection, a detachable connection or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The utility model provides a deformable photovoltaic module 90 spraying system that does not have and shelter from, it has increased water pressure response subassembly, does not need spraying system during operation, and shower head 22 receives to withdraw the position, makes shower head 22 not be located photovoltaic module 90 top, avoids shower head 22 to project on photovoltaic module 90's board group, and the shadow region of shower head 22 can not influence the absorption that photovoltaic module 90 set a light to guarantee photovoltaic module 90's light utilization ratio.
As shown in fig. 1 to 6, in an embodiment of the present invention, the non-shielding spraying system of the photovoltaic module 90 comprises:
the water supply pipe 10 and the spray assembly 20, wherein the water supply pipe 10 is used for being connected with a water supply device;
the spray assembly 20 includes:
a water supply pipe 21 communicating with the water supply pipe 10;
a shower head 22 attached to the water supply pipe 21, the water supply pipe 21 supplying water to the shower head 22;
a water pressure response component for driving the spray header 22 to move to a spraying position when the water pressure in the water supply pipe 10 and/or the water supply pipe 21 reaches a response value, so that the spray header 22 is located above the outer photovoltaic component 90, so as to spray the outer photovoltaic component 90 through the spray header 22, so as to clean or cool the photovoltaic component 90; and is used for driving the spray header 22 to move to the retracted position when the water pressure in the water supply pipe 10 and/or the water supply pipe 21 is lower than the response value, so that the spray header 22 is not overlapped with the projection of the outer photovoltaic assembly 90 in the vertical direction, and the spray header 22 is prevented from casting a shadow on the photovoltaic assembly 90.
For current spraying assembly 20 unadjustable spraying system in position, the utility model discloses a spraying system has increased and has set up the water pressure response subassembly, and this spraying system's theory of operation as follows:
as shown in fig. 2 and 5, when the spraying system is required to work, water is supplied to the spraying system through the water supply device, and after the water pressure response assembly senses that the water pressure in the water supply pipe 10 and/or the water supply pipe 21 reaches a response value, the water pressure response assembly responds to drive the spray header 22 to move towards the direction close to the photovoltaic assembly 90, so that the spray header 22 is driven to move to a spraying position, and the spray header 22 is driven to move to the upper side of the external photovoltaic assembly 90, so that spraying is facilitated.
As shown in fig. 3 and 4, when the sprinkler system is required to stop working, water supply to the sprinkler system is stopped, and after the water pressure response assembly senses that the water pressure in the water supply pipe 10 and/or the water supply pipe 21 is lower than the response value, the water pressure response assembly makes a response of driving the sprinkler head 22 to move in the direction away from the photovoltaic assembly 90, so as to drive the sprinkler head 22 to move in the direction away from the photovoltaic assembly 90 to a retracted position, so that the sprinkler head 22 and the external photovoltaic assembly 90 do not overlap in projection in the vertical direction, and the shadow area of the sprinkler head 22 is prevented from influencing the utilization of light by the photovoltaic assembly 90.
The utility model provides a deformable spraying system, its shadow region that can avoid spraying system is to photovoltaic module 90's influence.
Further, in the present embodiment, the nozzles are fan-shaped nozzles, and one nozzle is provided every 0.6 m. In order to increase the spraying area, a nozzle with a spraying angle of 110 degrees is selected. According to the Pythagorean theorem, in order to ensure that each region of the component can be sprayed, the minimum distance between the component and the nozzle along the water spraying plane is greater than 21cm, and the spraying area can be ensured.
On the basis of the structure, the hydraulic response component realizes response in a mechanical response mode or realizes response in a mode of combining electronic response and mechanical response; the hydraulic response assembly of this embodiment can be implemented in at least the following ways:
the first mode is as follows: as shown in fig. 2 and 3, in one embodiment, the hydraulic response assembly includes a hydraulic tappet 231; specifically, the spraying system further comprises a mounting frame 30, and the water supply pipe 21 is connected with the mounting frame 30 through a moving pair 24; the hydraulic pressure response assembly comprises a hydraulic tappet 231, one end of the hydraulic tappet 231 is communicated with the water supply pipe 10, and the rod part of the hydraulic tappet 231 is connected with the water supply pipe 21; when the water pressure in the water supply pipe 10 reaches the response value, the rod part of the hydraulic tappet 231 extends outwards to drive the water supply pipe 21 to move along the moving pair 24, so as to drive the spray head 22 to move to the spraying position; when the water pressure in the water supply pipe 10 is lower than the response value, the rod part of the hydraulic tappet 231 retracts inwards to drive the water supply pipe 21 to move along the moving pair 24, so as to drive the spray head 22 to move to the retracted position.
It should be noted that the hydraulic tappet 231 is a conventional technology in the prior art, the structure of which is not described herein in detail, the response value is related to the specific structure of the hydraulic tappet 231, and a person skilled in the art can select a suitable hydraulic tappet 231 according to actual needs.
Specifically, the mounting bracket 30 is mounted on the frame of the photovoltaic module 90, or the mounting bracket 30 is directly fixed to the ground.
Specifically, the sliding pair 24 is a sliding pair, and the water supply pipe 21 is slidably connected with the mounting frame 30 through a sliding guide rail.
Specifically, when water is not supplied to the water supply pipe 10, there is no hydraulic pressure in the plunger cavity of the hydraulic tappet 231, so that the plunger inside the hydraulic tappet 231 is at the bottommost part, and as water is supplied to the water supply pipe 10, the liquid is filled in the plunger cavity of the hydraulic tappet 231, the plunger moves downward, and the rod part of the hydraulic tappet 231 extends to push the shower head 22 out to the spraying position; the hydraulic pressure in the plunger cannot be quickly drained due to the ball check valve in the hydraulic tappet 231, keeping the plunger stationary and maintaining the extended length of the stem.
The second mode is as follows: as shown in fig. 2 and 3, in another embodiment, the hydraulic response assembly includes a hydraulic pressure sensor (not shown) and a drive mechanism 232; specifically, the spraying system further comprises a control module, and the hydraulic sensor and the driving mechanism 232 are respectively in communication connection with the control module; the hydraulic sensor is used for detecting the water pressure in the water supply pipe 10 and sending a real-time hydraulic value to the control module; the control module is configured to receive the real-time hydraulic pressure value and compare the real-time hydraulic pressure value with a preset response value, and the control module is configured to send a deployment instruction to the driving mechanism 232 when the water pressure in the water supply pipe 10 reaches the response value, and send a retraction instruction to the driving mechanism 232 when the water pressure in the water supply pipe 10 is lower than the response value; the driving mechanism 232 is configured to drive the showerhead 22 to move to the spraying position when receiving an unfolding instruction, and is configured to drive the showerhead 22 to move to the retracted position when receiving a retraction instruction.
Specifically, the spraying system further comprises a control terminal, wherein the control terminal is used for inputting the preset response value, and a person skilled in the art can select a proper response value according to actual requirements, and the response value is 0.08MPA to 0.5 MPA.
It should be noted that, on the basis of this embodiment, a person skilled in the art may select a communication transmission mode between the control module and another structure according to actual requirements, and implement specific information processing logic steps of the control module.
Further, the driving mechanism 232 is a linear driving mechanism 232, and the linear driving mechanism 232 is a linear motor, a linear push rod, a lead screw motor, or the like.
In an embodiment of the present invention, as shown in fig. 2 and 3, the spraying system further includes a mounting frame 30, the water supply pipe 21 is connected to the mounting frame 30 through a sliding pair 24, and a driving end of the driving mechanism 232 is connected to the water supply pipe 21; the driving mechanism 232 is used for driving the water supply pipe 21 to move along the moving pair 24 so as to enable the spray head 22 to move between the spraying position and the retracted position. Wherein the water supply pipe 21 is configured such that when the shower head 22 is in the retracted position, the shaded area of the water supply pipe 21 does not obstruct the photovoltaic module 90, as shown in fig. 3.
Further, the sliding pair 24 is a sliding pair 24, and the water supply pipe 21 is slidably connected with the mounting rack 30 through a sliding guide rail.
In another embodiment of the present invention, the spraying system further includes a mounting frame 30, a plurality of the spray heads 22 are mounted on the mounting frame 30, the mounting frame 30 is connected to the water supply pipe 21 through a moving pair 24, and the spray heads 22 are communicated with the water supply pipe 21; the driving end of the driving mechanism 232 is connected to the mounting bracket 30, and the driving mechanism 232 is used for driving the mounting bracket 30 to move along the moving pair 24, so that the spray head 22 moves between the spraying position and the retracted position.
The third mode is as follows: in yet another embodiment, the responsive assembly comprises a spring 233; specifically, as shown in fig. 4 and 5, the hydraulic response assembly includes a spring 233, a mounting hole is formed on the water supply pipe 21, an end of the shower head 22 passes through the mounting hole, the end of the shower head 22 is connected with an inner wall of the water supply pipe 21 through the spring 233, and the spring 233 is used for providing an elastic force for holding the shower head 22 at the retracted position; when the water pressure in the water supply pipe 10 reaches the response value, the water flow pressure acting on the end of the spray header 22 is greater than the elastic force provided by the spring 233, and the water flow pressure drives the spray header 22 to move to the spray position in the direction extending out of the water supply pipe 21; when the water pressure in the water supply pipe 10 is lower than the response value, the water flow pressure acting on the end of the shower head 22 is smaller than the elastic force provided by the spring 233, and the spring 233 holds the shower head 22 in the retracted position.
It should be noted that the response value in this embodiment is related to the elastic modulus of the spring 233, and a person skilled in the art can select a suitable spring 233 according to actual needs to meet the requirement that when spraying is performed through the shower head 22, after water is supplied to the water supply pipe 21, the water pressure in the water supply pipe can overcome the elastic force of the spring 233 to push the shower head 22 to the spraying position, so as to perform spraying cleaning or spraying cooling on the photovoltaic module 90 through the shower head 22.
In addition, as shown in fig. 1 to fig. 6, in order to improve the spraying efficiency of the spraying system, in another embodiment of the spraying system of the present invention, the spraying system is provided with a plurality of groups of the spraying assemblies 20; a plurality of water supply interfaces are arranged on the water supply pipe 10, and the water supply pipe 21 in the spraying assembly 20 is connected with the water supply interfaces; in this way, water supply to a plurality of branch pipes (i.e., water supply pipes 21 of a plurality of sets of the shower assemblies 20) can be performed through the same main pipe (i.e., the water supply pipe 10).
Further, in order to ensure the water flow, in another embodiment of the present invention, the spraying system further comprises a first water pump 40 and a water inlet pipe set (not shown), the water inlet pipe set has at least two water inlets and a water outlet, one end of the first water pump 40 is connected to the water inlet pipe set through the water outlet, and the other end is connected to the water supply pipe 10.
Specifically, the water inlet of the water inlet pipe group is used for being connected with an external municipal water interface, and the water supply pipe 10 can be connected with a plurality of external municipal water interfaces through the water inlet pipe group, so that water flow can be ensured, and a spraying effect can be ensured.
Specifically, in this embodiment, the water inlet of the water inlet pipe set is used for being connected with a water supply faucet below the hand basin to achieve water taking.
Further, as shown in fig. 6, when the same water supply pipe 10 is used to supply water to a plurality of spraying areas, a part of the areas may have insufficient water supply power due to loss along the way, in order to optimize the area water spraying energy consumption, in another embodiment of the spraying system of the present invention, the spraying system further includes a compensation water supply assembly 50, the compensation water supply assembly 50 includes a compensation water pipe 52 and a second water pump 51, one end of the compensation water pipe 52 is connected to the water pump, and the other end is connected to the water supply pipe 21. With the arrangement, when the water supply pressure of a certain water supply area is insufficient, compensation water supply can be carried out through the compensation water supply assembly 50 so as to ensure the spraying effect of the area; by adopting the scheme, compared with the situation that the water supply pressure of the whole spraying system is directly increased, the spraying system is more flexible, and the regional water spraying energy consumption can be optimized.
Further, in another embodiment of the present invention, a booster pump and a variable frequency pump are provided on the water supply pipe 10 and/or the compensation water pipe 52.
Further, in another embodiment of the present invention, the water supply pipe 21 is a PE pipe.
The utility model discloses a spraying system, through water pressure response subassembly and the cooperation of compensation water supply assembly 50, can effectively improve spraying system's whole efficiency.
In the description herein, it is to be understood that the terms "upper", "lower", "left", "right", and the like are used in a descriptive sense and with reference to the illustrated orientation or positional relationship, and are used for convenience in description and simplicity in operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
In the description herein, it is to be understood that the terms "upper", "lower", "left", "right", and the like are used in a descriptive sense and with reference to the illustrated orientation or positional relationship, and are used for convenience in description and simplicity in operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. An unobstructed photovoltaic module (90) spray system, comprising:
a water supply pipe (10) and a spray assembly (20), the spray assembly (20) comprising:
a water supply pipe (21) communicating with the water supply pipe (10);
a shower head (22) attached to the water supply pipe (21);
a water pressure response assembly for driving the spray header (22) to move to a spray position when the water pressure in the water supply pipe (10) and/or the water supply pipe (21) reaches a response value, so that the spray header (22) is positioned above an external photovoltaic assembly (90); and when the water pressure in the water supply pipe (10) and/or the water supply pipe (21) is lower than the response value, the spray head (22) is driven to move to a retracted position, so that the projection of the spray head (22) and an external photovoltaic module (90) in the vertical direction is not coincident.
2. The unobstructed photovoltaic module (90) spray system of claim 1,
the water supply pipe (21) is connected with the mounting rack (30) through a moving pair (24); the hydraulic pressure response assembly comprises a hydraulic tappet (231), one end of the hydraulic tappet (231) is communicated with the water supply pipe (10), and the rod part of the hydraulic tappet (231) is connected with the water supply pipe (21);
when the water pressure in the water supply pipe (10) reaches the response value, the rod part of the hydraulic tappet (231) extends outwards to drive the water supply pipe (21) to move along the moving pair (24), so as to drive the spray head (22) to move to the spraying position; when the water pressure in the water supply pipe (10) is lower than the response value, the rod part of the hydraulic tappet (231) retracts inwards to drive the water supply pipe (21) to move along the moving pair (24), so that the spray head (22) is driven to move to the retracted position.
3. The unobstructed photovoltaic module (90) spray system according to claim 1, further comprising a control module, said hydraulic response assembly including a hydraulic sensor and a drive mechanism (232) communicatively connected to said control module; the hydraulic pressure sensor is used for detecting the water pressure in the water supply pipe (10); the control module is used for sending an unfolding instruction to the driving mechanism (232) when the water pressure in the water supply pipe (10) reaches the response value, and sending a withdrawing instruction to the driving mechanism (232) when the water pressure in the water supply pipe (10) is lower than the response value; the driving mechanism (232) is used for driving the spray head (22) to move to the spraying position when receiving an unfolding instruction, and is used for driving the spray head (22) to move to the retracting position when receiving a retracting instruction.
4. The unshielded photovoltaic module (90) spray system according to claim 3, further comprising a mounting bracket (30), wherein the water supply pipe (21) is connected with the mounting bracket (30) through a moving pair (24), and the driving mechanism (232) is connected with the water supply pipe (21); the driving mechanism (232) is used for driving the water supply pipe (21) to move along the moving pair (24) so as to enable the spray head (22) to move between the spraying position and the retracted position.
5. The unshielded photovoltaic module (90) sprinkler system according to claim 1, wherein the hydraulic response assembly comprises a spring (233), the water supply pipe (21) is provided with a mounting hole, the end of the sprinkler head (22) is connected with the inner wall of the water supply pipe (21) through the spring (233), and the spring (233) is used for providing an elastic force for keeping the sprinkler head (22) at the retracted position;
when the water pressure in the water supply pipe (10) reaches the response value, the water flow pressure acting on the end part of the spray head (22) is larger than the elastic force provided by the spring (233), and the spray head (22) is driven by the water flow pressure to move to the spray position in the direction extending out of the water supply pipe (21); when the water pressure in the water supply pipe (10) is lower than the response value, the water pressure acting on the end of the shower head (22) is smaller than the elastic force provided by the spring (233), and the spring (233) keeps the shower head (22) at the retracted position.
6. The unobstructed photovoltaic module (90) spray system according to any of claims 1-5, wherein there are several groups of said spray modules (20); the water supply pipe (10) is provided with a plurality of water supply interfaces, and the water supply pipe (21) in the spray assembly (20) is connected with the water supply interfaces.
7. The non-occluded photovoltaic module (90) spray system according to any of claims 1-5, further comprising a first water pump (40) and a water inlet pipe set, wherein the water inlet pipe set has at least two water inlets and one water outlet, and one end of the first water pump (40) is connected with the water inlet pipe set through the water outlet, and the other end is connected with the water supply pipe (10).
8. The unobstructed photovoltaic module (90) spray system according to claim 7, further comprising a booster pump and/or a variable frequency pump disposed between said first suction pump (40) and said water supply pipe (10).
9. The unshielded photovoltaic module (90) sprinkler system according to claim 6, further comprising a compensation water supply assembly (50), the compensation water supply assembly (50) comprising a compensation water pipe (52) and a second suction pump (51); one end of the compensation water pipe (52) is connected with the water suction pump, and the other end of the compensation water pipe is connected with the water supply pipe (21).
10. The unshielded photovoltaic module (90) sprinkler system according to any of claims 1-5, wherein the water supply pipe (21) is a PE pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020695978.5U CN212733229U (en) | 2020-04-29 | 2020-04-29 | Photovoltaic module spraying system without shielding |
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