CN111431473A - Movable photovoltaic assembly - Google Patents

Movable photovoltaic assembly Download PDF

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Publication number
CN111431473A
CN111431473A CN202010155711.1A CN202010155711A CN111431473A CN 111431473 A CN111431473 A CN 111431473A CN 202010155711 A CN202010155711 A CN 202010155711A CN 111431473 A CN111431473 A CN 111431473A
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China
Prior art keywords
photovoltaic module
rotating shaft
photovoltaic assembly
module according
active
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Pending
Application number
CN202010155711.1A
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Chinese (zh)
Inventor
朱伟强
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Haining Fulian Machinery Co ltd
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Haining Fulian Machinery Co ltd
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Publication date
Application filed by Haining Fulian Machinery Co ltd filed Critical Haining Fulian Machinery Co ltd
Priority to CN202010155711.1A priority Critical patent/CN111431473A/en
Publication of CN111431473A publication Critical patent/CN111431473A/en
Pending legal-status Critical Current

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    • 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
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12—Brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
    • B08B1/143—Wipes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
    • F24S30/425—Horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S50/00—Arrangements for controlling solar heat collectors
    • F24S50/20—Arrangements for controlling solar heat collectors for tracking
    • 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
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/10—Photovoltaic [PV]
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • 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
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking
    • 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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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

The invention provides a movable photovoltaic assembly, wherein a support is arranged on a roof, a rotating shaft is arranged at the top of the support, a photovoltaic assembly fixedly connected with the rotating shaft is arranged on the rotating shaft, the rotating shaft is connected with a motor, the rotating shaft can be driven to rotate by the motor and drive the photovoltaic assembly to rotate, two sides of the upper surface of the photovoltaic assembly are respectively provided with a sliding chute, a balancing weight is respectively arranged in the sliding chutes, the balancing weights are respectively connected with two ends of a cleaning device, and when the photovoltaic assembly rotates, the balancing weights slide in the sliding chutes under the action of gravity and drive a cleaning device to move and clean the upper surface of the photovoltaic assembly. According to the movable photovoltaic assembly, the angle can be adjusted according to the irradiation angle of sunlight, the utilization rate of solar energy is increased, and meanwhile, the cleaning device can automatically move to clean the surface of the photovoltaic assembly under the action of gravity while the angle is adjusted, so that the surface pollution of the photovoltaic assembly is prevented, and the battery efficiency is improved.

Description

Movable photovoltaic assembly
Technical Field
The invention belongs to the field of photovoltaic equipment, and particularly relates to an active photovoltaic assembly.
Background
The photovoltaic module is a core part in a solar power generation system and also is the most important part in the solar power generation system, and the photovoltaic module has the function of converting solar energy into electric energy and transmitting the electric energy to a storage battery for storage or pushing a load to work. The photovoltaic module is formed by combining solar cells or solar cells with different specifications cut by a laser cutting machine or a steel wire cutting machine. Since the current and the voltage of the single solar cell are very small, the single solar cell is firstly connected in series to obtain high voltage, then connected in parallel to obtain high current, and then output through a diode. And the glass and the back plate on the back are installed, filled with nitrogen and sealed, and the whole is called a module, namely a photovoltaic module or a solar cell module.
Ordinary photovoltaic module, all fixed, but the sunlight is different at the angle of illumination in one day, and fixed photovoltaic module is high inadequately to the utilization ratio of solar energy to photovoltaic module exposes for a long time, receives various pollutions easily, for example foul such as bird's droppings, dust, if can not in time clean, has influenced battery efficiency more.
Disclosure of Invention
In order to solve the technical problem, the invention provides an active photovoltaic module.
The technical scheme of the invention is as follows:
the utility model provides an activity photovoltaic module, is provided with the support on the roof, the support top is provided with a pivot, be provided with in the pivot with pivot fixed connection's photovoltaic module, the pivot is connected with a motor, and pivot accessible motor drive is rotatory and drive photovoltaic module rotatory, photovoltaic module's upper surface both sides are provided with a spout respectively, be provided with a balancing weight in the spout respectively, the balancing weight is connected with a cleaning device's both ends respectively, and when photovoltaic module was rotatory, the balancing weight was because the action of gravity slides in the spout and drives cleaning device and remove and clean photovoltaic module's upper surface.
The photovoltaic module is rectangular, and the rotating shaft is arranged in the middle of the photovoltaic module.
The counterweight is spherical and made of metal.
The cleaning means is in the form of a strip, and the cleaning means is a cleaning tampon or a cleaning brush.
The cleaning device is removable.
And a power supply and control device is arranged on one side of the support and is connected with the motor.
Photovoltaic module sets up along the east orientation, be provided with a timing device in power and the controlling means, timing device control motor work makes photovoltaic module rotatory according to the time, and photovoltaic module inclines towards the east in the morning, rotates gradually to horizontal position from the morning to noon, then rotates towards the west gradually from the noon to afternoon, then rotates gradually back towards the position of east slope evening, a circulation every 24 hours.
Preferably, the maximum angle of the photovoltaic module when rotating is 30-45 degrees from the horizontal.
Preferably, the maximum angle of the photovoltaic module when rotated is 38 degrees from horizontal.
According to the movable photovoltaic assembly, the angle can be adjusted according to the irradiation angle of sunlight, the utilization rate of solar energy is increased, and meanwhile, the cleaning device can automatically move to clean the surface of the photovoltaic assembly under the action of gravity while the angle is adjusted, so that the surface pollution of the photovoltaic assembly is prevented, and the battery efficiency is improved.
Drawings
FIG. 1 is a schematic view of a photovoltaic module of the present invention;
FIG. 2 is a schematic view of the photovoltaic module of the present invention rotated eastward;
FIG. 3 is a schematic view of the photovoltaic module of the present invention rotated westward;
FIG. 4 is a top view of a photovoltaic module of the present invention;
in the figure, 1 — roof; 2, a bracket; 3-a photovoltaic module; 4-power supply and control device; 5, a rotating shaft; 6, a chute; 7-a balancing weight; 8-cleaning device.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, according to the movable photovoltaic module of the present invention, a support 2 is disposed on a roof 1, a rotating shaft 5 is disposed on a top of the support 2, a photovoltaic module 3 fixedly connected to the rotating shaft 5 is disposed on the rotating shaft 5, the photovoltaic module 3 is disposed along an east-west direction, the photovoltaic module 3 is rectangular, the rotating shaft 5 is disposed in a middle portion of the photovoltaic module 3, the rotating shaft 5 is connected to a motor (not shown in the figure), the rotating shaft 5 can be driven to rotate by the motor and drive the photovoltaic module 3 to rotate, two sides of an upper surface of the photovoltaic module 3 are respectively provided with a sliding chute 6, each sliding chute 6 is provided with a weight 7, each weight 7 is spherical, and each weight 7 is made of metal, such as iron and other heavier metals. Balancing weight 7 is connected with a cleaning device 8's both ends respectively, and when photovoltaic module 3 was rotatory, balancing weight 7 slided and drives cleaning device 8 and remove and clean photovoltaic module 3's upper surface in spout 6 because the action of gravity. The cleaning means 8 is a cleaning sliver or brush in the form of a strip, and the cleaning means 8 is removable and replaceable when the cleaning means 8 is dirty. One side of the bracket 2 is provided with a power supply and control device 4, and the power supply and control device 4 is connected with the motor.
A timing device (not shown in the figure) is arranged in the power supply and control device 4, the timing device controls the motor to work, so that the photovoltaic module 3 rotates according to time, as shown in fig. 1 to 3, the photovoltaic module 3 inclines towards the east in the morning, gradually rotates to a horizontal position from the morning to the noon, then gradually rotates towards the west from the noon to the afternoon, and then gradually rotates back to the position inclined towards the east in the evening, and a cycle is formed every 24 hours. Like this photovoltaic module 3 rotates twice daily, and cleaning device 8 slides from one side of photovoltaic module 3 to the opposite side when photovoltaic module 3 is rotatory simultaneously, accomplishes twice cleanness voluntarily every day, prevents that photovoltaic module 3 surface from polluting. Through experiments, the maximum angle between the photovoltaic module 3 and the horizontal plane when the photovoltaic module 3 rotates is preferably 30-45 degrees, wherein the maximum angle between the photovoltaic module 3 and the horizontal plane when the photovoltaic module rotates is 38 degrees, the utilization rate of solar energy and the power generation efficiency are highest.
Through experiments, compared with a common photovoltaic module, the photovoltaic module provided by the invention has the following generating efficiency when rotating at different angles as shown in table 1:
table 1 comparison table of generating efficiency of photovoltaic module of the present invention and general photovoltaic module
Figure BDA0002403960070000041
Figure BDA0002403960070000051
As can be seen from Table 1, the photovoltaic module can obviously improve the power generation efficiency of the photovoltaic module, and can improve the power generation efficiency by 30-60% compared with the common photovoltaic module.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are included in the scope of the present invention.

Claims (9)

1. A movable photovoltaic component is characterized in that a support (2) is arranged on a roof (1), a rotating shaft (5) is arranged at the top of the bracket (2), a photovoltaic module (3) fixedly connected with the rotating shaft (5) is arranged on the rotating shaft (5), the rotating shaft (5) is connected with a motor, the rotating shaft (5) can be driven to rotate by the motor and drive the photovoltaic module (3) to rotate, two sides of the upper surface of the photovoltaic component (3) are respectively provided with a sliding chute (6), the sliding grooves (6) are respectively provided with a balancing weight (7), the balancing weights (7) are respectively connected with two ends of a cleaning device (8), when the photovoltaic module (3) rotates, the balancing weight (7) slides in the sliding groove (6) under the action of gravity and drives the cleaning device (8) to move and clean the upper surface of the photovoltaic component (3).
2. An active photovoltaic module according to claim 1, characterized in that the photovoltaic module (3) is rectangular and the rotation axis (5) is arranged in the middle of the photovoltaic module (3).
3. An active photovoltaic module according to claim 1, characterized in that said weight (7) is spherical and the weight (7) is made of metal.
4. An active photovoltaic module according to claim 1, characterized in that the cleaning means (8) is in the form of a strip, the cleaning means (8) being a cleaning tampon or a cleaning brush.
5. An active photovoltaic module according to claim 1, characterized in that the cleaning means (8) are removable.
6. An active photovoltaic module according to claim 1, characterized in that said support (2) is provided on one side with power and control means (4), said power and control means (4) being connected to an electric motor.
7. An active photovoltaic module according to claim 6, characterized in that the photovoltaic module (3) is arranged in the east-west direction, and in that a timing device is arranged in the power supply and control device (4), said timing device controlling the operation of the motor such that the photovoltaic module (3) rotates according to time, the photovoltaic module (3) being tilted towards the east in the morning, gradually rotated from the morning to the noon to a horizontal position, then gradually rotated from the noon to the afternoon towards the west, and then gradually rotated back in the evening to a position tilted towards the east, one cycle every 24 hours.
8. An active photovoltaic module according to claim 7, characterized in that the maximum angle of the photovoltaic module (3) in rotation to the horizontal plane is 30-45 degrees.
9. An active photovoltaic module according to claim 8, characterized in that the maximum angle of the photovoltaic module (3) with the horizontal plane when rotated is 38 degrees.
CN202010155711.1A 2020-03-09 2020-03-09 Movable photovoltaic assembly Pending CN111431473A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113291180A (en) * 2021-06-11 2021-08-24 山东日照发电有限公司 Photovoltaic power generation fills electric pile based on wisdom city
CN113433260A (en) * 2021-06-29 2021-09-24 广东技术师范大学 Flame retardant property test fixture for electronic anti-theft lock
CN115940771A (en) * 2023-02-15 2023-04-07 礼德新能源江苏有限公司 Solar photovoltaic support adjusting device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108964600A (en) * 2018-08-21 2018-12-07 安徽电气集团股份有限公司 A kind of convertible solar photovoltaic assembly of automatically cleaning

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108964600A (en) * 2018-08-21 2018-12-07 安徽电气集团股份有限公司 A kind of convertible solar photovoltaic assembly of automatically cleaning

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113291180A (en) * 2021-06-11 2021-08-24 山东日照发电有限公司 Photovoltaic power generation fills electric pile based on wisdom city
CN113433260A (en) * 2021-06-29 2021-09-24 广东技术师范大学 Flame retardant property test fixture for electronic anti-theft lock
CN113433260B (en) * 2021-06-29 2023-02-03 广东技术师范大学 Flame retardant property test fixture for electronic anti-theft lock
CN115940771A (en) * 2023-02-15 2023-04-07 礼德新能源江苏有限公司 Solar photovoltaic support adjusting device

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