SUMMERY OF THE UTILITY MODEL
The applicant provides a roof deicing and snow removing device aiming at the defects in the prior art, so that the bearing problem of a photovoltaic power station building integrated with a photovoltaic building and the dust accumulation problem of a photovoltaic module can be effectively solved, the deicing, the dust removal and the snow removal are convenient, and the working reliability is good.
The utility model discloses the technical scheme who adopts as follows:
a roof ice melting and snow removing device comprises a roof, wherein a photovoltaic assembly is arranged on the roof, a spraying device is arranged on a ridge, a water flowing hole of the spraying device is connected with a water storage tank through a water pipe, and snow removing liquid or water is indirectly or directly injected into the water storage tank; the roof is along being provided with the drainage gutter down, photovoltaic module has waterproof performance, and snow removing liquid or water flows into the drainage gutter along the photovoltaic module upper surface from the ridge upper surface, drainage gutter downside is connected with the drain pipe, the purification tank is connected to the drain pipe downside, snow removing liquid or water in the purification tank flow to the storage water tank through water pump and wet return.
The further technical scheme is as follows:
the drainage gutter is distributed on two sides of the roof, and is a first drainage gutter and a second drainage gutter on the lower side of the eave; and the top surfaces of the first drainage gutter and the second drainage gutter are provided with net covers.
And a water injection height control device is arranged at the top of the water storage tank.
The liquid component concentration detection device is arranged in the water storage tank and used for detecting liquid components in the water storage tank and feeding the liquid components back to the alarm device on the ground for observation of an operator.
The water storage tank, the spraying device and the outdoor ground operation system are all provided with a temperature detection device, a spraying opening flow control and detection device, and the temperature detection device, the spraying opening flow control and detection device feed back to an alarm device on the ground for an operator to observe.
The snow removing liquid is prepared by adding a snow melting agent and an antifreezing solution.
The water storage tank is placed at the top of the roof, the water pump is positioned in the purification tank, and the purification tank is connected with a water injection pipe.
The water storage tank is placed on the lower portion of the house or the ground, the water pump is located in the water storage tank and connected with the spraying device through a water pipe, a water discharging pipe is installed at the top of the water storage tank and communicated with the bottom of the drainage gutter.
The water storage tank is placed in the lower portion of the house, the water pump is installed on the ground, water flowing out of the bottom of the water storage tank is communicated with the water pump through the connecting pipe, the water pump is connected with the spraying device through the water pipe, a filter screen is arranged in the water storage tank, and a sewage outlet is formed in the bottom of the water storage tank.
The spraying device comprises M main pipes and N spraying heads, each spraying head is provided with a spraying intelligent control unit, and different sectional water spraying schemes are set according to the flow demand.
The utility model has the advantages as follows:
the utility model has the advantages of compact and reasonable structure, convenient operation, through the work of mutually supporting between spray set, drainage gutter, storage water tank and each pipeline, the snow removing work on completion roof that can be convenient, effectual solution photovoltaic building integration photovoltaic power plant building bears the problem, and photovoltaic module deposition problem and photovoltaic module take place to generate heat and cause the problem that generating efficiency hangs down, guarantee that photovoltaic module can the efficient electricity generation use, and the ice melting snow removing is convenient and reliable. If the spraying system is kept to be started regularly every day, the surface of the photovoltaic module can be maintained to be clean independently every day, and the clean state is kept. The need and cost of conventional routine maintenance cleaning is circumvented. The long-term shielding influence of a large amount of accumulated snow is avoided under the winter condition, and the generating capacity of the assembly is improved.
The utility model discloses still include following advantage:
(1) Partial ice and snow at the bottom of the accumulated snow are melted to form a water film layer in a front flowing mode, the accumulated snow slides downwards along the water film layer and slides out of the ground, and damage to the photovoltaic panel can be reduced by non-mechanical contact snow removal. Through the function of melting ice and snow, the situation that a large amount of snow is accumulated to exceed the design capacity of a building for the overall load of the photovoltaic roof can be avoided, and the roof safety performance of the building is improved.
(2) The snow on the roof can be prevented by the uninterrupted water flow or the timed water flow;
(3) Incessant rivers or regularly rivers can strike photovoltaic module openly, can keep photovoltaic module surface clean all the time to the photovoltaic module deashing, increase the generated energy. Surface rivers still play functions such as cooling and steam evaporation, can take away the heat on photovoltaic surface, further promote the generated energy of subassembly.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1-3, the roof ice melting and snow removing device of the embodiment includes a roof, a photovoltaic module 3 is installed on the roof, a spraying device 5 is installed on a ridge 4, a water flowing port of the spraying device 5 is connected with a water storage tank 9 through a water pipe 6, and snow removing liquid 10 or water is indirectly or directly injected into the water storage tank 9; the roof is along being provided with the drainage gutter down, and photovoltaic module 3 has waterproof performance, and during snow removing liquid 10 or water flowed into the drainage gutter along photovoltaic module 3 upper surface from ridge 4 upper surface, drainage gutter downside was connected with drain pipe 18, and purification tank 17 is connected to drain pipe 18 downside, and snow removing liquid 10 or water in the purification tank 17 flow to storage water tank 9 through water pump 8 and wet return 11.
The drainage gutter is distributed on two sides of the roof, and the lower side of the eave is provided with a first drainage gutter 2 and a second drainage gutter 7 respectively; the top surfaces of the first drainage gutter 2 and the second drainage gutter 7 are both provided with a net cover 1.
The top of the water storage tank 9 is provided with a water injection height control device.
The water storage tank 9 is provided with a liquid component concentration detection device which detects the liquid components in the water storage tank 9 and feeds the liquid components back to an alarm device on the ground 13 for an operator to observe. And when the liquid components do not reach the standard, giving an alarm to prompt personnel to add the additive.
The design of the liquid component concentration detection device prevents the liquid from being easily frozen or not melting the accumulated snow at the bottom due to the change of the liquid concentration.
The water storage tank 9, the spraying device 5 and the outdoor ground operation system are all provided with a temperature detection device, a spraying opening flow control and detection device, and the temperature detection device, the spraying opening flow control and detection device feed back to an alarm device on the ground 13 for observation of an operator.
The snow removing liquid 10 is prepared by adding a snow melting agent and an antifreezing solution.
The water storage tank 9 is arranged on the top of the roof, the water pump 8 is positioned in the purifying tank 17, and the purifying tank 17 is connected with a water injection pipe 12.
The water storage tank 9 is placed on the lower part of a house or the ground 13, the water pump 8 is positioned in the water storage tank 9, the water pump 8 is connected with the spraying device 5 through the water pipe 6, the water discharge pipe 18 is installed at the top of the water storage tank 9, and the water discharge pipe 18 is communicated with the bottom of the drainage gutter.
The water storage tank 9 is placed at the lower part of the house, the water pump 8 is installed on the ground 13, water flowing out of the bottom of the water storage tank 9 is communicated with the water pump 8 through a connecting pipe 14, the water pump 8 is connected with the spraying device 5 through a water pipe 6, a filter screen 15 is arranged in the water storage tank 9, and a sewage outlet 16 is arranged at the bottom of the water storage tank 9.
The spraying device 5 comprises M main pipes 19 and N spraying heads 20, each spraying head 20 is provided with a spraying intelligent control unit 21, and different sectional water spraying schemes are set according to the flow demand.
The utility model discloses a concrete structure and function as follows:
mainly comprises snow removing liquid 10, a water storage tank 9, a water pump 8, a water pipe 6 and a spraying device 5,
wherein the snow removing liquid 10 is prepared by adding a snow melting agent and an anti-freezing liquid, the anti-freezing liquid is used for reducing the freezing temperature of the snow removing liquid 10 and preventing the snow removing liquid 10 from freezing, the snow removing liquid 10 is used for melting the bottommost snow,
wherein, the water storage tank 9 stores snow removing liquid 10;
wherein the water pump 8 is used for delivering snow removing liquid 10 or water;
the water storage tank 9 is placed at the top of the roof, the bottom of the water storage tank 9 is connected with the water pipe 6, the other end of the water pipe 6 is connected with the spraying device 5, the snow removing liquid 10 in the water storage tank 9 flows out of the spraying device 5 through the water pipe 6 by utilizing the gravity principle, the lower edge of the roof is provided with a drainage gutter, and water in the drainage gutter is pumped into the water storage tank 9 through the water pump 8 and recycled;
a water injection device and a monitoring device are arranged at the top of the water storage tank 9, the monitoring device monitors the water level change, and when the water level change reaches a minimum value, the water injection device is automatically started to inject snow removing liquid 10 or water into the water storage tank 9; or when the minimum value is reached, the monitoring device gives an alarm, the water injection device is manually started, and the snow removing liquid 10 or water is injected into the water storage tank 9.
The water storage tank 9 can be positioned at the bottom and directly placed on the ground 13, the water inlet of the water pump 8 is positioned in the water storage tank 9, the water outlet of the water pump 8 is connected with the water pipe 6, and the snow removing liquid 10 is conveyed to the spraying device 5 and flows out of the spraying device 5.
Temperature-detecting devices are further arranged in the water storage tank 9 and in the spraying system and outdoors, and are provided with spraying head plug-detecting devices, whether the starting of the deicing and snow melting function is reminded or not is judged through the set temperature signal, whether the monitoring system and personnel are reminded to prepare in advance is judged based on the fluctuation setting of the temperature, the functional effectiveness of the system is guaranteed through the spraying head plug-detecting devices, and timely arrangement, testing, overhauling, maintenance and the like are facilitated.
The monitoring device is also provided with a concentration detection function for the snow removing liquid 10, when the anti-freezing component in the snow removing liquid 10 is lower than a preset value, an alarm is given, and a person injects the snow removing liquid 10 with the preset concentration into the water storage tank 9 according to detected data, so that the liquid flowing out of the spraying device 5 is prevented from being frozen into ice.
The snow removing liquid 10 sprayed from the spraying device 5 flows out along the bottom of the accumulated snow, the snow at the bottom of the accumulated snow is melted to generate a water film layer, and the accumulated snow above the water film layer slides down to the roof along the water film layer.
A drainage gutter is arranged at the bottom of the eave, a net cover 1 is arranged at the upper part of the drainage gutter, snow removing liquid 10 flows into the drainage gutter through the net cover 1, and accumulated snow outwards slides out of the eave along the net cover 1 and falls onto the ground 13.
Non-snowy weather and non-subzero temperature weather will melt snow liquid and collect, change to ordinary water, can be to photovoltaic module 3 cooling and dust removal, can improve photovoltaic module 3 generated energy.
The first embodiment is as follows:
as shown in fig. 1, the water storage tank 9 is arranged at the bottom, the water pump 8 is arranged outside the water storage tank 9, the snow removing liquid 10 flowing out of the bottom of the water storage tank 9 is communicated with the water pump 8 through a connecting pipe 14 and then is injected into the spraying device 5 on the roof through the water pump 8, the water storage tank 9 is also provided with a filter screen 15 for purifying the snow removing liquid 10 flowing through the eaves to prevent foreign matters from blocking the spraying device 5, and the bottom of the water storage tank 9 is provided with a sewage outlet 16; the eaves downside is provided with the drainage gutter (including drainage gutter 2 and No. two hourglass drainage gutter 7), and the water that flows out from spray set 5 flows into in the drainage gutter behind photovoltaic module 3 and the roofing, and the design of water injection pipe 12 is by manual work or automatic control with snow removing liquid 10 or water injection storage water tank 9. A water level limiting device is arranged in the water storage tank 9 to judge whether water needs to be filled into the water storage tank 9. The water storage tank 9 is also provided with a snow-removing liquid monitoring device for controlling the content of the antifreeze in the snow-removing liquid 10 and preventing the outflow water from freezing due to the reduction of the content of the antifreeze in the snow-removing liquid 10.
The second embodiment:
as shown in fig. 2, another schematic diagram of the photovoltaic snow removing device is different from that of fig. 1 in that a purification tank 17 is arranged on the ground 13, snow removing liquid 10 flows into a first drainage gutter 2 and a second drainage gutter 7 from the roof and then flows into the purification tank 17 of the ground 13 through a pipeline, a filter screen 15 is arranged in the purification tank 17 and used for purifying the snow removing liquid 10, and then the snow removing liquid 10 is injected into a water storage tank 9 through a water pump 8. The water storage tank 9 is provided with a highest water level, a middle water level and a lowest water level, the water pump 8 is started after the snow removing liquid 10 reaches the lowest water level in the daytime, the snow removing liquid 10 in the purifying tank 17 is pumped into the water storage tank 9, and the water pump 8 is closed after the snow removing liquid reaches the middle water level. The water pump 8 is started at night to pump the snow removing liquid 10 in the purifying tank 17 into the water storage tank 9 until the highest water level is reached.
Example three:
as shown in fig. 3, a plan view of the photovoltaic snow removal device is shown, wherein photovoltaic modules 3 are arranged in a matrix, a roof ridge 4 is installed at the top of the photovoltaic snow removal device, a spray device 5 is installed above the roof ridge, the spray device 5 comprises M main pipes 19 and N spray headers 20, each spray header 20 is provided with an intelligent control unit 21, different segmented water spray schemes are set according to the flow demand, a segmented water drainage scheme is set, and water spray of every P spray headers is set. Such as: the photovoltaic module comprises 10 rows of photovoltaic modules, wherein each 2 rows of photovoltaic modules are arranged for spraying, the 1 st 2 nd rows on the left side are sprayed when 6 to 7 evening, the 3 rd 4 th rows are sprayed when 7 to 8 evening, the 5 th 6 th rows are sprayed when 8 to 9 evening, the 7 th 8 th rows are sprayed when 9 to 10 evening, and the 9 th 10 th rows are sprayed when 10 to 11 evening. M, N and P are positive integers greater than or equal to 1. When the demand on water flow is not large, more rows of assemblies are arranged for spraying, and economic optimization is achieved. As an intelligent control unit system for specifically executing the spraying task, a wireless control unit module on the market can be preferably selected, and as long as a wireless network signal is provided by configuration, the operations such as the unit switching sequence and time can be set through a mobile phone in a network remote mode actually.
This roof ice melting snow device and scheme can extend to the especially multirow subassembly of conventional power station and arrange in practical application, promotes the generated energy through clean based on needs consider, avoids the extreme condition of evading such as sudden and violent snow, all can refer to, through the design of photovoltaic module 3 building integration, lets form sealed waterproof construction between the photovoltaic module 3, just so can utilize ice melting snow device system to solve the puzzlement and the risk of evading of power station. In addition, for outdoor scenes of power stations, the cleaning materials can be injected based on environmental conditions, for example, under the environment where oil stains are planted, the cleaning effect of the surface of the component can be improved by injecting the oil stain removal cleaning liquid.
The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.