CN115085659B - Automatic deicing and snow melting system applied to solar photovoltaic panel - Google Patents
Automatic deicing and snow melting system applied to solar photovoltaic panel Download PDFInfo
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- CN115085659B CN115085659B CN202210638422.6A CN202210638422A CN115085659B CN 115085659 B CN115085659 B CN 115085659B CN 202210638422 A CN202210638422 A CN 202210638422A CN 115085659 B CN115085659 B CN 115085659B
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- snow
- melting
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- wall
- deicing
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- 238000002844 melting Methods 0.000 title claims abstract description 102
- 230000008018 melting Effects 0.000 title claims abstract description 43
- 238000005507 spraying Methods 0.000 claims abstract description 85
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims description 61
- 239000007921 spray Substances 0.000 claims description 50
- 239000007788 liquid Substances 0.000 claims description 38
- 238000007789 sealing Methods 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 12
- 239000005413 snowmelt Substances 0.000 claims description 10
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 10
- 230000000670 limiting effect Effects 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 8
- MFXMOUUKFMDYLM-UHFFFAOYSA-L zinc;dihydrogen phosphate Chemical compound [Zn+2].OP(O)([O-])=O.OP(O)([O-])=O MFXMOUUKFMDYLM-UHFFFAOYSA-L 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 6
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 239000001632 sodium acetate Substances 0.000 claims description 6
- 235000017281 sodium acetate Nutrition 0.000 claims description 6
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Natural products NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 5
- BADXJIPKFRBFOT-UHFFFAOYSA-N dimedone Chemical compound CC1(C)CC(=O)CC(=O)C1 BADXJIPKFRBFOT-UHFFFAOYSA-N 0.000 claims description 5
- 238000007710 freezing Methods 0.000 claims description 5
- 230000008014 freezing Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000004090 dissolution Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 238000005187 foaming Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 241000220317 Rosa Species 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 11
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 230000005764 inhibitory process Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229910000398 iron phosphate Inorganic materials 0.000 description 2
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
- H02S40/12—Means for removing snow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/085—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to flow or pressure of liquid or other fluent material to be discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0405—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads
- B05B13/041—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with reciprocating or oscillating spray heads with spray heads reciprocating along a straight line
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0421—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with rotating spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
-
- 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
Abstract
The invention discloses an automatic deicing and snow melting system applied to a solar photovoltaic panel, which comprises a photovoltaic panel assembly, a spraying system and a collecting and filtering box, wherein the spraying system comprises a snow melting agent tank and a control system, the spraying system is electrically connected with the control system, a deicing component is arranged at the upper end part of the photovoltaic panel assembly, the top of the deicing component is open, a reciprocating screw rod is horizontally arranged in the deicing component, a movable component is sleeved on the outer wall thread of the reciprocating screw rod, and a spraying mechanism is arranged at the upper end of the movable component; the lower end of the photovoltaic panel assembly is communicated with the collecting filter box through a rain and snow collecting pipeline. The spraying system further comprises an output main pipe and an output branch pipe, wherein a filter, a power pump, a pressure gauge, a check valve, a flowmeter and a pressure transmitter are sequentially arranged on the output main pipe; the intelligent spraying system overcomes the defects of the prior art, is reasonable in design, realizes that the photovoltaic panel always keeps a non-icing state through the intelligent spraying system, and has higher social use value and application prospect.
Description
Technical Field
The invention relates to the technical field of snow melting, in particular to an automatic deicing and snow melting system applied to a solar photovoltaic panel.
Background
The outdoor photovoltaic panel is frozen in cold areas in winter, so that the problems of power generation, potential safety hazards caused by too thick ice layers and the like are affected, and deicing and snow melting treatment is needed.
The traditional mode adopts the tool cleaning treatment such as a rolling brush, which requires a great deal of labor and is difficult to realize with high cost; robot cleaning is adopted, and the travelling rail is easy to freeze and is not realized;
the traditional manual spraying snow-melting agent can flow down quickly after spraying due to the problem of the inclination angle of the photovoltaic panel, so that the traditional manual spraying snow-melting agent is difficult to stay on a thicker ice layer for a long time, and the effects of deicing and snow melting are difficult to realize;
meanwhile, the common chloride salt snow-melting agent is a product mainly comprising sodium chloride and calcium chloride, has a great corrosion effect on the metal of the photovoltaic panel, and cannot be applied to the field of the photovoltaic panel.
Accordingly, the inventor has the problem of providing an automatic deicing and snow-melting system applied to solar photovoltaic panels, which is expected to achieve the purpose of having more practical value, by keeping the experience of the design development and the actual manufacturing in the related industry for many years and researching and improving the existing structure and the defects.
Disclosure of Invention
In order to solve the problems mentioned in the background art, the invention provides an automatic deicing and snow melting system applied to a solar photovoltaic panel.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the automatic deicing and snow-melting system comprises a photovoltaic panel assembly, a spraying system and a collecting and filtering box, wherein the spraying system comprises a snow-melting agent tank and a control system, the spraying system is electrically connected with the control system, a deicing component is arranged at the upper end part of the photovoltaic panel assembly, the top of the deicing component is open, a reciprocating screw rod is horizontally arranged in the deicing component, a movable component is sleeved on the outer wall of the reciprocating screw rod in a threaded manner, and a spraying mechanism is arranged at the upper end of the movable component; the lower end of the photovoltaic panel assembly is communicated with the collecting filter box through a rain and snow collecting pipeline.
The spraying system further comprises an output main pipe and an output branch pipe, wherein a filter, a power pump, a pressure gauge, a check valve, a flowmeter and a pressure transmitter are sequentially arranged on the output main pipe; the output branch pipe consists of a first spray pipeline, a second spray pipeline and a third spray pipeline, an electric valve is arranged on the output branch pipe, and an electromagnetic valve and a pressure switch are arranged on the spray mechanism;
the whole spray system is divided into three gears, wherein the first spray pipeline is in a first gear, the second spray pipeline is in a second gear, and the third spray pipeline is in a third gear.
The filter is a Y-shaped filter; is used for intercepting crystals and impurities possibly existing in the liquid snow-melting agent, and avoids blocking and damaging subsequent equipment and pipelines.
The liquid level switch is interlocked with the power pump through an automatic control system; realize that high liquid level starts the pump, low liquid level stops the pump.
One end of a return pipe provided with an electric valve is connected with the upper part of the liquid storage tank, and the other end of the return pipe is connected with an output main pipe between the check valve and the flowmeter;
the control system comprises a client, a Web server, a computer, a PLC and a plurality of icing monitoring sensors arranged on the photovoltaic panel assembly, wherein the Web server is connected with the PLC through a network, the icing monitoring sensors and a pressure meter, a flowmeter and a pressure transmitter of the spraying system are respectively connected with a signal input end of the PLC, and a signal output end of the PLC is connected with a power pump, an electric valve, an electromagnetic valve, a pressure switch and a liquid level switch of the spraying subsystem and controls actions of the same; the remote control client is connected with the Web server through a network. The control system is electrically connected with the first motor, the second motor and the third motor respectively.
Preferably, the collecting and filtering box comprises a first filtering frame and a second filtering frame, a plurality of groups of second filtering frames are arranged, the first filtering frames and the second filtering frames are sequentially arranged from top to bottom, and a filter screen with a conical structure is arranged in the first filtering frame;
the first filter frame and the second filter frame are both in sliding connection with the side wall of the collecting and filtering box, and the bottom of the collecting and filtering box is communicated with a water collecting tank.
Preferably, the spraying mechanism is communicated with the snow-melting agent tank through a snow-melting agent feeding pipe, and a pipeline of the snow-melting agent feeding pipe is respectively communicated with a first spraying pipeline, a second spraying pipeline and a third spraying pipeline, the pipe diameters of the first spraying pipeline, the second spraying pipeline and the third spraying pipeline are gradually increased, and the corresponding flow is also gradually increased; a booster pump is arranged on a main pipeline of the snow-melting agent feeding pipe.
Preferably, a first motor is arranged at the outward extending end of one end of the movable part penetrating through the side wall of the deicing part; limiting rods are symmetrically arranged on two sides of the reciprocating screw rod, penetrate through the movable part and are arranged on two end walls of the deicing part.
Preferably, the spraying mechanism comprises a stand column vertically arranged at the upper end of the movable part, a connecting shaft is horizontally inserted into the upper end wall of the stand column, and a spray pipe is arranged at the end part of the connecting shaft;
the inner wall of connecting axle is equipped with first feed liquor passageway, and the inner wall of spray tube is equipped with sprays the passageway, and a plurality of first atomising heads of group have been seted up to the lateral wall of spraying the passageway.
Preferably, the outside of connecting axle has cup jointed first gear, and one side meshing of first gear is connected with the second gear, and the inner wall of second gear is connected with the second motor through the pivot, and the second motor sets up in the inner wall of stand.
Preferably, the spraying mechanism comprises two fixed plates, wherein the fixed plates are symmetrically arranged at the upper end of the movable part; a spray cylinder is arranged between the two fixing plates, and one end of the spray cylinder is connected with a third motor through a rotating shaft.
Preferably, the other end of the spray cylinder is provided with a liquid inlet pipe, and the inner wall of the liquid inlet pipe is provided with a second liquid inlet channel;
the circumference lateral wall equidistance of spray a section of thick bamboo encircles and is provided with a plurality of groups connecting rod, the inner wall of connecting rod is equipped with the spray tube, and a plurality of groups second atomising head have been seted up to the lateral wall of spray tube, second feed liquor passageway and spray tube intercommunication.
Preferably, the port of the first liquid inlet channel is inserted with a snow-melting agent feeding pipe, the outer wall of the joint of the snow-melting agent feeding pipe and the first liquid inlet channel is sleeved with a bearing, the outer wall of the snow-melting agent feeding pipe is sleeved with a sealing cover plate, the side wall of the sealing cover plate is provided with a sealing cap along the edge, and the sealing cap is in threaded connection with the connecting shaft.
Preferably, the second liquid inlet channel port is inserted with a snow-melting agent feeding pipe, the outer wall of the joint of the snow-melting agent feeding pipe and the second liquid inlet channel is sleeved with a bearing, the outer wall of the snow-melting agent feeding pipe is sleeved with a sealing cover plate, the side wall of the sealing cover plate is provided with a sealing cap along the edge, and the sealing cap is in threaded connection with the liquid inlet pipe.
Preferably, a snow-melting agent is arranged in the snow-melting agent tank, and the snow-melting agent comprises the following components in parts by weight: 5-10 parts of maleimide-tetra polyethylene glycol-tert-butyl propionate, 5-10 parts of polyvinyl alcohol, 6-8 parts of snow-melting component, 1-3 parts of alkaline oxide and 0.5-1 part of corrosion inhibition component.
Preferably, the preparation method of the snow-melting agent comprises the following steps:
s1, adding maleimide-tetra-polyethylene glycol-tert-butyl propionate and polyvinyl alcohol into water according to a proportion, adding a snow melting component after hydrothermal dissolution, continuously heating and stirring until the components are completely dissolved, and standing and defoaming until no foaming occurs;
s2, freezing the solution obtained in the step S1, heating and melting, and finally drying in vacuum to obtain the composite gel containing the snow melting component;
and S3, uniformly stirring and mixing the composite gel containing the snow melting component, the alkaline oxide and the corrosion inhibition component to obtain the snow melting agent.
Preferably, the snow melting part is sodium acetate.
Preferably, the basic oxide is calcium oxide or calcium hydroxide.
Preferably, the corrosion inhibition part comprises the following components in parts by weight: 1-2 parts of 5, 5-dimethyl-1, 3-cyclohexanedione, 1-2 parts of zinc dihydrogen phosphate and 0.5-1 part of thiourea.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the photovoltaic panel can be sprayed in a multi-gear adjustment mode according to the actual icing condition of the photovoltaic panel, so that the using amount of the snow-melting agent is reduced, the running cost of anti-icing and deicing is greatly reduced, and the snow-melting effect can be ensured;
2. according to the invention, by arranging the spraying mechanism, the automatic regulation and control of the spraying distance and the spraying height can be realized, the near-end atomization and the far-end coverage are realized, the multi-angle spraying is realized, the uniform ground coverage of the snow-melting agent is ensured, the spraying range is large, and no dead angle exists;
3. according to the invention, the collecting and filtering box is arranged to collect and filter the snow-melting agent, so that the cyclic utilization is realized, and the resources are saved.
4. The sodium acetate and the calcium oxide in the snow-melting agent have the synergistic effect of melting snow and resisting ice, when the snow is melted, the calcium oxide reacts with water to release a large amount of heat so as to melt the surrounding ice and snow, and then the sodium acetate is released from the composite gel to generate the snow-melting effect, so that the snow-melting capacity is synergistically accelerated, meanwhile, the water generated by melting the ice and the snow is absorbed by the composite gel, the volume of the composite gel is expanded to be large, the ice layer of the road surface is broken, and the snow-melting effect is further enhanced.
5. The snow-melting agent comprises a corrosion inhibition component, zinc dihydrogen phosphate reacts with iron ions to form an insoluble iron phosphate film on the surface of steel, two adjacent carbonyl groups of 5, 5-dimethyl-1, 3-cyclohexanedione have a chelating action with metal, the zinc dihydrogen phosphate film is firmly adsorbed on the surface of the iron phosphate film, a synergistic effect is generated with the zinc dihydrogen phosphate, thiourea can be complexed and converted into an insoluble iron sulfide protective film, the corrosion inhibition effect is further enhanced, and the three components act together to form a compact three-dimensional steel protective film, so that the corrosion of the metal can be effectively reduced.
6. The main components of the composite gel are maleimide-tetra polyethylene glycol-tert-butyl propionate and polyvinyl alcohol, contain a large number of nitrogen atoms and oxygen atoms, have a lone electron effect, and generate good water absorption performance and good expansion performance after being combined according to the proportion, thereby effectively enhancing the snow melting effect.
In conclusion, the intelligent spraying system overcomes the defects of the prior art, is reasonable in design, realizes that the photovoltaic panel always keeps a non-icing state through the intelligent spraying system, and has higher social use value and application prospect.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a system architecture of the present invention;
FIG. 2 is a schematic view showing the structure of a spraying mechanism in embodiment 1 of the present invention;
FIG. 3 is a schematic view showing the installation structure of the spraying mechanism in embodiment 1 of the present invention;
FIG. 4 is an enlarged schematic view of the A structure in embodiment 1 of the present invention;
FIG. 5 is a schematic view showing the structure of a spraying mechanism in embodiment 2 of the present invention;
fig. 6 is a schematic view of the structure of a nozzle in embodiment 2 of the present invention.
In the figure: the photovoltaic panel assembly 1, the deicing component 2, the movable component 3, the reciprocating screw rod 31, the limiting rod 32, the first motor 33, the rain and snow collecting pipeline 4, the collecting filter box 5, the first filter frame 51, the second filter frame 52, the water collecting tank 53, the snow melting agent tank 6, the booster pump 61, the first spraying pipeline 62, the second spraying pipeline 63 and the third spraying pipeline 64;
the spraying mechanism 7, the upright post 71, the spray pipe 72, the connecting shaft 73, the first liquid inlet channel 74, the spraying channel 75, the first spraying head 76, the first gear 77, the second gear 78, the second motor 79, the sealing cover plate 710 and the sealing cap 711;
the fixed plate 712, the spray cylinder 713, the connecting rod 714, the second spray head 715, the third motor 716, the liquid inlet pipe 717, the second liquid inlet channel 718, the spray pipe 719 and the snowmelt feed pipe 8.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-4, an automatic deicing and snow melting system applied to a solar photovoltaic panel comprises a photovoltaic panel assembly 1, a spraying system and a collecting and filtering box 5, wherein the spraying system comprises a snow melting agent tank 6 and a control system, a deicing component 2 is arranged at the upper end part of the photovoltaic panel assembly 1, the top of the deicing component 2 is open, a reciprocating screw rod 31 is horizontally arranged in the deicing component, a movable component 3 is sleeved on the outer wall thread of the reciprocating screw rod 31, and a spraying mechanism 7 is arranged at the upper end of the movable component 3;
the spraying mechanism 7 is communicated with the snow-melting agent tank 6 through a snow-melting agent feeding pipe 8, a first spraying pipeline 62, a second spraying pipeline 63 and a third spraying pipeline 64 are respectively communicated with the pipeline of the snow-melting agent feeding pipe 8, the pipe diameters of the first spraying pipeline 62, the second spraying pipeline 63 and the third spraying pipeline 64 are gradually increased, and the corresponding flow is also gradually increased.
One end of the movable part 3 penetrates through the outward extending end of the side wall of the deicing part 2 and is provided with a first motor 33; limiting rods 32 are symmetrically arranged on two sides of the reciprocating screw rod 31, and the limiting rods 32 penetrate through the movable part 3 and are arranged on two end walls of the deicing part 2.
Starting the first motor 33, and driving the movable part 3 to realize stable reciprocating motion by the reciprocating screw rod 31 under the limiting action of the limiting rods 32 at the two sides, so as to drive the spraying mechanism 7 at the upper end to realize reciprocating spraying;
the spraying mechanism 7 comprises a vertical column 71 vertically arranged at the upper end of the movable part 3, a connecting shaft 73 is horizontally inserted into the upper end wall of the vertical column 71, and a spray pipe 72 is arranged at the end part of the connecting shaft 73; the inner wall of the connecting shaft 73 is provided with a first liquid inlet channel 74, the inner wall of the spray pipe 72 is provided with a spray channel 75, and the side wall of the spray channel 75 is provided with a plurality of groups of first spray heads 76.
The outside of connecting axle 73 has cup jointed first gear 77, and one side meshing of first gear 77 is connected with second gear 78, and the inner wall of second gear 78 is connected with second motor 79 through the pivot, and second motor 79 sets up in the inner wall of stand 71.
The second motor 79 is started, the second motor 79 drives the second gear 78 to rotate through the rotating shaft, and the second gear 78 drives the first gear 77 to rotate, so that the first spray head 76 is enabled to spray the snow melting agent in a rotating mode, the spraying range is enlarged, and the spraying area is larger.
The port of the first liquid inlet channel 74 is inserted with a snow-melting agent feeding pipe 8, the outer wall of the joint of the snow-melting agent feeding pipe 8 and the first liquid inlet channel 74 is sleeved with a bearing, the outer wall of the snow-melting agent feeding pipe 8 is sleeved with a sealing cover plate 710, the side wall of the sealing cover plate 710 is provided with a sealing cap 711 along the edge, and the sealing cap 711 is in threaded connection with the connecting shaft 73.
When snow or ice rain exists at low temperature at night, the icing monitoring sensor arranged on the photovoltaic panel assembly 1 needs to sense according to the thickness of ice and snow on the surface, and meanwhile, the spraying system is automatically started to spray the snow melting agent on the photovoltaic panel in a mist form, so that snow melting and ice melting occur when snow or ice rain falls down, the condition that no snow or residual ice exists on the photovoltaic panel is always kept to be less than 1mm, and obvious icing is avoided.
The spraying system can sense the thickness of ice on the photovoltaic panel and the current temperature condition through the icing monitoring sensor, if the thickness of the ice or the snow layer reaches 1-2mm and the room temperature is lower than 0 ℃, a first gear is automatically started, namely a check valve on the first spraying pipeline 62 is opened, and the snow melt agent is sprayed to achieve the anti-icing effect; meanwhile, if the thickness of the ice layer is increased, if the thickness reaches 2-3mm, the corresponding increase of the spraying speed and the spraying quantity is automatically realized to a second gear, namely a check valve on the second spraying pipeline 63 is opened; if the thickness of the ice layer increases, if the thickness reaches more than 3mm, the corresponding increase of the spraying speed and the spraying amount is automatically realized to be in a third gear, namely, a check valve on the third spraying pipeline 64 is opened, so that the effects of quick deicing and freezing prevention are realized.
When the ice layer or the snow layer is melted and is lower than 1mm, automatically stopping spraying the snow melting agent;
meanwhile, the spraying system is connected with weather forecast and early warning, and the spraying condition of the snow-melting agent, namely the spraying quantity of unit square per hour, can be controlled in the background according to the snowfall condition of weather forecast, so that the effect that no ice layer appears on the photovoltaic panel all the time is realized.
The lower end part of the photovoltaic panel assembly 1 is communicated with a collecting and filtering box 5 through a rain and snow collecting pipeline 4; the collecting and filtering box 5 comprises a first filtering frame 51 and a second filtering frame 52, a plurality of groups of second filtering frames 52 are arranged, the first filtering frame 51 and the second filtering frame 52 are sequentially arranged from top to bottom, and a filter screen with a conical structure is arranged in the first filtering frame 51; the first filter frame 51 and the second filter frame 52 are both in sliding connection with the side wall of the collecting and filtering box 5, and the bottom of the collecting and filtering box 5 is communicated with a water collecting tank 53.
The rain and snow after melting on the photovoltaic panel assembly 1 enters the collecting filter box 5 through the rain and snow collecting pipeline 4 to be filtered and collected, firstly, the impurities with larger particles are filtered through the first filter frame 51, and then, the impurities are filtered through the plurality of groups of second filter frames 52 and then enter the water collecting tank 53 to be collected and stored, so that the follow-up work can be performed, and the snow melting agent can be purified and collected again.
Example 2
Referring to fig. 1 and 5 to 6, the present embodiment is different from embodiment 1 in that the spraying mechanism 7 includes a fixed plate 712, the fixed plates 712 being provided in two groups and symmetrically provided at the upper end of the movable member 3; a spray cylinder 713 is arranged between the two fixing plates 712, and one end of the spray cylinder 713 is connected with a third motor 716 through a rotating shaft; the other end of the spray cylinder 713 is provided with a liquid inlet pipe 717, and the inner wall of the liquid inlet pipe 717 is provided with a second liquid inlet channel 718;
a plurality of groups of connecting rods 714 are arranged on the circumferential side wall of the spray cylinder 713 in an equidistance and surrounding manner, spray pipes 719 are arranged on the inner walls of the connecting rods 714, a plurality of groups of second spray heads 715 are arranged on the side walls of the spray pipes 719, and second liquid inlet channels 718 are communicated with the spray pipes 719.
The second spray head 715 is rotated to spray under the driving of the third motor 716, so that the snow-melting agent is sprayed in a parabolic form, and the photovoltaic panels at a short distance and a long distance can be sprayed without dead angles.
The snow melt agent inlet pipe 8 is inserted into the port of the second liquid inlet channel 718, a bearing is sleeved on the outer wall of the joint of the snow melt agent inlet pipe 8 and the second liquid inlet channel 718, the sealing cover plate 710 is sleeved on the outer wall of the snow melt agent inlet pipe 8, the sealing cap 711 is arranged on the side wall of the sealing cover plate 710 along the edge, and the sealing cap 711 is in threaded connection with the liquid inlet pipe 717, so that the sealing performance is improved.
Other undescribed structures refer to embodiment 1.
Example 3
Preparation method of snow-melting agent
S1, adding 10g of maleimide-tetra-polyethylene glycol-tert-butyl propionate and 5g of polyvinyl alcohol into 100ml of water, adding 6g of sodium acetate after hydrothermal dissolution at 90 ℃, continuously heating and stirring until the mixture is completely dissolved, and standing and defoaming until no foaming occurs;
s2, putting the solution obtained in the step S1 into a mould, rapidly cooling for 3 hours under the condition of liquid nitrogen, then melting in warm water at 40 ℃, repeatedly freezing and melting for 3 times, and finally drying in vacuum to obtain the composite gel containing the snow melting component;
s3, uniformly stirring and mixing the composite gel containing the snow melting component obtained in the step S2, 2g of calcium oxide, 0.4g of 5, 5-dimethyl-1, 3-cyclohexanedione, 0.3g of zinc dihydrogen phosphate and 0.3g of thiourea to obtain the snow melting agent.
Example 4
Preparation method of snow-melting agent
S1, adding 10g of maleimide-tetra-polyethylene glycol-tert-butyl propionate and 10g of polyvinyl alcohol into 100ml of water, adding 8g of sodium acetate after hydrothermal dissolution at 90 ℃, continuously heating and stirring until the mixture is completely dissolved, and standing and defoaming until no foaming occurs;
s2, putting the solution obtained in the step S1 into a mould, rapidly cooling for 3 hours under the condition of liquid nitrogen, then melting in warm water at 40 ℃, repeatedly freezing and melting for 5 times, and finally drying in vacuum to obtain the composite gel containing the snow melting component;
s3, uniformly stirring and mixing the composite gel containing the snow melting component obtained in the step S2, 3g of calcium oxide, 0.4g of 5, 5-dimethyl-1, 3-cyclohexanedione, 0.3g of zinc dihydrogen phosphate and 0.3g of thiourea to obtain the snow melting agent.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the connection may be mechanical connection, direct connection or indirect connection through an intermediate medium, and may be internal connection of two elements or interaction relationship of two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The control mode of the invention is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the invention is mainly used for protecting a mechanical device, so the invention does not explain the control mode and circuit connection in detail.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides an automatic deicing snow melt system for solar photovoltaic board, includes photovoltaic board subassembly (1), spraying system and collection rose box (5), spraying system includes snow melt agent jar (6) and control system, its characterized in that:
the upper end part of the photovoltaic panel assembly (1) is provided with a deicing component (2), the top of the deicing component (2) is of an open type, a reciprocating screw rod (31) is horizontally arranged in the deicing component, a movable component (3) is sleeved on the outer wall of the reciprocating screw rod (31) in a threaded manner, and a spraying mechanism (7) is arranged at the upper end of the movable component (3);
the lower end part of the photovoltaic panel assembly (1) is communicated with a collecting filter box (5) through a rain and snow collecting pipeline (4);
the snow-melting agent tank (6) is internally provided with a snow-melting agent, and the preparation method of the snow-melting agent comprises the following steps:
s1, adding 10g of maleimide-tetra-polyethylene glycol-tert-butyl propionate and 10g of polyvinyl alcohol into 100ml of water, adding 8g of sodium acetate after hydrothermal dissolution at 90 ℃, continuously heating and stirring until the mixture is completely dissolved, and standing and defoaming until no foaming occurs;
s2, putting the solution obtained in the step S1 into a mould, rapidly cooling for 3 hours under the condition of liquid nitrogen, then melting in warm water at 40 ℃, repeatedly freezing and melting for 5 times, and finally drying in vacuum to obtain the composite gel containing the snow melting component;
s3, uniformly stirring and mixing the composite gel containing the snow melting component obtained in the step S2, 3g of calcium oxide, 0.4g of 5, 5-dimethyl-1, 3-cyclohexanedione, 0.3g of zinc dihydrogen phosphate and 0.3g of thiourea to obtain the snow melting agent.
2. An automatic deicing and snow-melting system for use in solar photovoltaic panels as set forth in claim 1, wherein: the collecting and filtering box (5) comprises a first filtering frame (51) and a second filtering frame (52), a plurality of groups of second filtering frames (52) are arranged, the first filtering frame (51) and the second filtering frame (52) are sequentially arranged from top to bottom, and a filter screen with a conical structure is arranged in the first filtering frame (51);
the first filter frame (51) and the second filter frame (52) are both in sliding connection with the side wall of the collecting and filtering box (5), and the bottom of the collecting and filtering box (5) is communicated with a water collecting tank (53).
3. An automatic deicing and snow-melting system for use in solar photovoltaic panels as set forth in claim 1, wherein: the spraying mechanism (7) is communicated with the snow-melting agent tank (6) through a snow-melting agent feeding pipe (8), a first spraying pipeline (62), a second spraying pipeline (63) and a third spraying pipeline (64) are respectively communicated with the pipeline of the snow-melting agent feeding pipe (8), the pipe diameters of the first spraying pipeline (62), the second spraying pipeline (63) and the third spraying pipeline (64) are gradually increased, and the corresponding flow is also gradually increased.
4. An automatic deicing and snow-melting system for use in solar photovoltaic panels as set forth in claim 1, wherein: one end of the movable part (3) penetrates through the outward extending end of the side wall of the deicing part (2) and is provided with a first motor (33); limiting rods (32) are symmetrically arranged on two sides of the reciprocating screw rod (31), and the limiting rods (32) penetrate through the movable part (3) and are arranged on two end walls of the deicing part (2).
5. An automatic deicing and snow-melting system for use in solar photovoltaic panels as set forth in claim 1, wherein: the spraying mechanism (7) comprises a vertical column (71) vertically arranged at the upper end of the movable part (3), a connecting shaft (73) is horizontally inserted into the upper end wall of the vertical column (71), and a spray pipe (72) is arranged at the end part of the connecting shaft (73);
the inner wall of connecting axle (73) is equipped with first feed liquor passageway (74), and the inner wall of spray tube (72) is equipped with sprays passageway (75), and a plurality of first atomising heads (76) of group have been seted up to the lateral wall of spraying passageway (75).
6. An automatic deicing and snow-melting system for use in solar photovoltaic panels as described in claim 5, wherein: the outside of connecting axle (73) has cup jointed first gear (77), and one side meshing of first gear (77) is connected with second gear (78), and the inner wall of second gear (78) is connected with second motor (79) through the pivot, and second motor (79) set up in the inner wall of stand (71).
7. An automatic deicing and snow-melting system for use in solar photovoltaic panels as set forth in claim 1, wherein: the spraying mechanism (7) comprises fixing plates (712), wherein the fixing plates (712) are arranged in two groups and are symmetrically arranged at the upper end of the movable part (3); a spray cylinder (713) is arranged between the two fixing plates (712), and one end of the spray cylinder (713) is connected with a third motor (716) through a rotating shaft.
8. An automatic deicing and snow-melting system for use in solar photovoltaic panels as described in claim 7, wherein: the other end of the spray cylinder (713) is provided with a liquid inlet pipe (717), and the inner wall of the liquid inlet pipe (717) is provided with a second liquid inlet channel (718);
the circumference lateral wall equidistance of spray cylinder (713) encircles and is provided with a plurality of groups connecting rod (714), the inner wall of connecting rod (714) is equipped with spray tube (719), and a plurality of groups second atomising head (715) have been seted up to the lateral wall of spray tube (719), and second feed liquor passageway (718) communicate with spray tube (719).
9. An automatic deicing and snow-melting system for use in solar photovoltaic panels as described in claim 5, wherein: the port of the first liquid inlet channel (74) is inserted with a snow-melting agent feeding pipe (8), the outer wall of the joint of the snow-melting agent feeding pipe (8) and the first liquid inlet channel (74) is sleeved with a bearing, the outer wall of the snow-melting agent feeding pipe (8) is sleeved with a sealing cover plate (710), the side wall of the sealing cover plate (710) is provided with a sealing cap (711) along the edge, and the sealing cap (711) is in threaded connection with the connecting shaft (73).
10. An automatic deicing and snow-melting system for use in solar photovoltaic panels as described in claim 8, wherein: the snow melt agent feeding pipe (8) is inserted into the port of the second liquid feeding channel (718), a bearing is sleeved on the outer wall of the joint of the snow melt agent feeding pipe (8) and the second liquid feeding channel (718), the outer wall of the snow melt agent feeding pipe (8) is sleeved with the sealing cover plate (710), the sealing cap (711) is arranged on the side wall of the sealing cover plate (710) along the edge, and the sealing cap (711) is in threaded connection with the liquid feeding pipe (717).
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| JP2000055480A (en) * | 1998-08-07 | 2000-02-25 | Solar System Kk | Solar snow-melting apparatus and method for operating the apparatus at snowfall |
| CH700675A2 (en) * | 2009-03-30 | 2010-09-30 | Walter Hartmann | Solar collector assembly, solar system and method for operating a solar thermal system. |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105542716A (en) * | 2016-02-17 | 2016-05-04 | 广西大学 | Environment-friendly snow quick melting agent and preparing method thereof |
| CN109939979A (en) * | 2017-12-21 | 2019-06-28 | 蔡红翠 | A kind of solar energy photovoltaic panel automatic flushing device |
| CN108395877A (en) * | 2018-02-08 | 2018-08-14 | 重庆恩光科技有限公司 | For extremely frigid zones without chlorine snow melt deicer |
| CN109914328A (en) * | 2019-03-28 | 2019-06-21 | 象谱信息产业有限公司 | A kind of rotary deicing salt sprinkling system and method |
| CN109837063A (en) * | 2019-04-15 | 2019-06-04 | 江苏路俊新材料科技有限公司 | A kind of non-chlorine deicing salt of liquid high-efficiency environment friendly and preparation method thereof |
| CN213573240U (en) * | 2020-10-13 | 2021-06-29 | 湖南思佳新能源科技有限公司 | Parking shed provided with snow-melting and deicing photovoltaic power generation plates |
| CN216641185U (en) * | 2021-10-21 | 2022-05-31 | 湖南夏杨时代光伏技术有限公司 | Photovoltaic roof snow melting and dust removing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000055480A (en) * | 1998-08-07 | 2000-02-25 | Solar System Kk | Solar snow-melting apparatus and method for operating the apparatus at snowfall |
| CH700675A2 (en) * | 2009-03-30 | 2010-09-30 | Walter Hartmann | Solar collector assembly, solar system and method for operating a solar thermal system. |
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Denomination of invention: An Automatic Deicing and Snow Melting System Applied to Solar Photovoltaic Panels Effective date of registration: 20230602 Granted publication date: 20230428 Pledgee: Huizhou Mount Huangshan rural commercial bank Limited by Share Ltd. Pledgor: Huangshan Jiuxing Environmental Protection Technology Co.,Ltd. Registration number: Y2023980042709 |