CN110572129A - photovoltaic module surface dust detecting system - Google Patents
photovoltaic module surface dust detecting system Download PDFInfo
- Publication number
- CN110572129A CN110572129A CN201910862337.6A CN201910862337A CN110572129A CN 110572129 A CN110572129 A CN 110572129A CN 201910862337 A CN201910862337 A CN 201910862337A CN 110572129 A CN110572129 A CN 110572129A
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- CN
- China
- Prior art keywords
- photovoltaic
- photovoltaic module
- assembly
- module
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000428 dust Substances 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000003028 elevating effect Effects 0.000 claims description 4
- 238000010248 power generation Methods 0.000 abstract description 12
- 238000004140 cleaning Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- 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
-
- 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
- H02S40/20—Optical components
- H02S40/22—Light-reflecting or light-concentrating means
-
- 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
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
- H02S50/15—Testing of PV devices, e.g. of PV modules or single PV cells using optical means, e.g. using electroluminescence
-
- 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
- Y02E10/52—PV systems with concentrators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to the technical field of photovoltaic power generation, in particular to a system for detecting dust on the surface of a photovoltaic module. The surface dust detection system of the photovoltaic module comprises the photovoltaic module and a swinging module, wherein one end of the swinging module is connected to the photovoltaic module and can rotate around the connection part, and the other end of the swinging module is provided with a reflecting module; the receiving and judging assembly is arranged at the lower edge of the photovoltaic assembly, receives the light reflected by the reflecting assembly and judges whether dust exists on the surface of the photovoltaic assembly according to the intensity of the light; the invention designs a photovoltaic module dust detection system for detecting whether dust exists on the surface of a photovoltaic module.
Description
Technical Field
The invention relates to the technical field of photovoltaic power generation, in particular to a system for detecting dust on the surface of a photovoltaic module.
background
As a common way to utilize solar energy resources, a solar photovoltaic power generation system has been widely used in life and production. The efficiency of a photovoltaic power generation system is a core factor for measuring the performance of a photovoltaic power station, and a plurality of factors influencing the efficiency of the photovoltaic power generation system are provided, wherein dust shielding is one of very important factors, and dust attached to the surface of a photovoltaic component can shield light, influence the absorption of the photovoltaic component on sunlight and reduce the power generation efficiency.
In order to reduce the influence of dust shielding on the efficiency of the photovoltaic power generation system, the dust on the surface of the photovoltaic module needs to be cleaned regularly, but certain cost is generated in cleaning. If the cleaning time interval is too long, the surface of the photovoltaic module can be shielded by dust, so that the power generation efficiency of the photovoltaic power generation system is influenced; frequent cleaning results in waste of water resources and an increase in power generation costs. In addition, because the photovoltaic power generation system is located outdoors, the effective and reasonable cleaning interval is difficult to set due to the influence of various factors such as regions, climate, sand wind, rain, atmospheric humidity and the like.
disclosure of Invention
The invention designs a photovoltaic module dust detection system for detecting whether dust exists on the surface of a photovoltaic module.
The technical scheme of the invention is as follows:
Photovoltaic module surface dust detecting system, it includes photovoltaic module, its characterized in that:
One end of the swinging component is connected to the photovoltaic component and can rotate around the connection part, and the other end of the swinging component is provided with a light reflecting component;
and the receiving and judging assembly is arranged at the lower edge of the photovoltaic assembly, receives the light reflected by the reflecting assembly and judges whether dust exists on the surface of the photovoltaic assembly according to the intensity of the light.
The swing assembly comprises swing arms arranged on two sides of the photovoltaic assembly and a driving mechanism fixedly connected in the photovoltaic assembly, and the driving end of the driving mechanism is connected with one end of the swing arms on the two sides.
The receiving and judging assembly comprises a box body connected to the lower edge of the photovoltaic assembly, a photosensitive resistor which changes according to light intensity is arranged in the box body, the photosensitive resistor is connected with a controller, and the controller is connected with a wireless communication module.
the photovoltaic module on be equipped with the drive and accept the elevating system of judging subassembly up-and-down motion, elevating system including set up in the both sides of accepting the judgement subassembly and with the backup pad that the photovoltaic module is connected, be equipped with driving motor in the backup pad, the last lead screw that is equipped with of driving motor is equipped with the sliding block on the lead screw, the sliding block with accept the judgement subassembly and be connected.
In conclusion, the invention has the following beneficial effects:
The invention utilizes sunlight to irradiate the surface of a photovoltaic module, a glass panel on the surface of the photovoltaic module can reflect a part of sunlight, an arranged swinging module can drive a reflecting module to swing within an angle range, so that the reflected light of each area of the photovoltaic module can be collected, the reflected light of the glass panel is reflected by the reflecting module to enter an acceptance judging module, when dust exists on the surface of the photovoltaic module, the reflected sunlight is reduced, the light intensity reflected to the acceptance judging module by the reflecting module is reduced, so that the dust accumulated on the surface of the photovoltaic module is judged, and the position information of the photovoltaic module is timely fed back to a control center of a photovoltaic power station by a wireless communication module in the acceptance judging module, so that a worker can quickly and accurately find the photovoltaic module and clear the photovoltaic module, and further, an arranged lifting mechanism can drive the acceptance judging module to move up and down, after descending, the upper end of the judgment component is parallel and level to the upper surface of the photovoltaic component, and sunlight is prevented from being shielded.
Drawings
FIG. 1 is a side view of the present invention;
FIG. 2 is a top view of the present invention
FIG. 3 is a schematic structural view of the lifting mechanism;
fig. 4 is a schematic diagram of the configuration of the acceptance determination unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
As shown in fig. 1 to 4, the surface dust detection system of a photovoltaic module includes a photovoltaic module 1, and is characterized in that:
One end of the swinging component 2 is connected to the photovoltaic component and can rotate around the connection part, and the other end of the swinging component is provided with a reflecting component 3;
And the receiving and judging component 4 is arranged at the lower edge of the photovoltaic component, receives the light reflected by the reflecting component and judges whether dust exists on the surface of the photovoltaic component according to the intensity of the light.
The invention utilizes the reciprocating swing of the swing component to drive the light reflection component, so that the whole photovoltaic component can be detected, the completeness of a detection coverage range is ensured, the judgment component is received to judge whether dust exists on the surface of the photovoltaic component according to the intensity of received light, if the light intensity is weaker, the dust exists on the surface of the photovoltaic component, and if the light intensity is not changed, the dust does not exist on the surface of the photovoltaic component.
Swing subassembly 2 including setting up swing arm 20 in photovoltaic module both sides to and fixed connection is in the drive mechanism 21 of photovoltaic module, the drive end of drive mechanism 21 is connected with the one end of the swing arm 20 of both sides simultaneously, and here drives the swing arm through drive mechanism and swings at 90 degrees within ranges to can drive the surface that reflection of light subassembly covered whole photovoltaic module.
Accept and judge that subassembly 4 is including connecting the box body 40 at photovoltaic module lower limb, be equipped with the photo resistance 41 that changes according to the light intensity in the box body 40, photo resistance 41 is connected with controller 42, controller 42 is connected with wireless communication module 43, whether there is the dust on the surface that the controller judged photovoltaic module according to photo resistance's change, if then give photovoltaic power plant's control cabinet through wireless communication module position information transfer with this photovoltaic module, the staff of control cabinet can be accurate clear up photovoltaic module, reduce the number of times of patrolling and examining.
The photovoltaic module 1 is provided with a lifting mechanism 5 for driving the acceptance judging component 4 to move up and down, the lifting mechanism 5 comprises supporting plates 50 which are arranged at two sides of the acceptance judging component and connected with the photovoltaic module, a driving motor 51 is arranged on the supporting plates 50, a screw rod 52 is arranged on the driving motor 51, a sliding block 53 is arranged on the screw rod, the sliding block 53 is connected with the acceptance judging component 4, the lifting mechanism is designed and can drive the acceptance judging component to move up and down, when the detection is finished or the detection is not needed, the driving mechanism can withdraw the acceptance judging component, so that the upper end surface of the acceptance judging component is not higher than the surface of the photovoltaic module, a shadow area formed on the surface of the photovoltaic module by the acceptance judging component is avoided, the influence of the acceptance judging component on the power generation of the photovoltaic module is reduced, and on the other hand, the lifting, the light reflected by the reflector can accurately irradiate on the photoresistor of the receiving judging component, and the reliability and accuracy of detection are improved.
in conclusion, the invention has the following beneficial effects:
the invention utilizes sunlight to irradiate the surface of a photovoltaic module, a glass panel on the surface of the photovoltaic module can reflect a part of sunlight, an arranged swinging module can drive a reflecting module to swing within an angle range, so that the reflected light of each area of the photovoltaic module can be collected, the reflected light of the glass panel is reflected by the reflecting module to enter an acceptance judging module, when dust exists on the surface of the photovoltaic module, the reflected sunlight is reduced, the light intensity reflected to the acceptance judging module by the reflecting module is reduced, so that the dust accumulated on the surface of the photovoltaic module is judged, and the position information of the photovoltaic module is timely fed back to a control center of a photovoltaic power station by a wireless communication module in the acceptance judging module, so that a worker can quickly and accurately find the photovoltaic module and clear the photovoltaic module, and further, an arranged lifting mechanism can drive the acceptance judging module to move up and down, after descending, the upper end of the judgment component is parallel and level to the upper surface of the photovoltaic component, and sunlight is prevented from being shielded.
Claims (4)
1. Photovoltaic module surface dust detecting system, it includes photovoltaic module, its characterized in that:
One end of the swinging component is connected to the photovoltaic component and can rotate around the connection part, and the other end of the swinging component is provided with a light reflecting component;
And the receiving and judging assembly is arranged at the lower edge of the photovoltaic assembly, receives the light reflected by the reflecting assembly and judges whether dust exists on the surface of the photovoltaic assembly according to the intensity of the light.
2. the photovoltaic module surface dust detection system of claim 1, wherein: the swing assembly comprises swing arms arranged on two sides of the photovoltaic assembly and a driving mechanism fixedly connected in the photovoltaic assembly, and the driving end of the driving mechanism is connected with one end of the swing arms on the two sides.
3. The photovoltaic module surface dust detection system of claim 1, wherein: the receiving and judging assembly comprises a box body connected to the lower edge of the photovoltaic assembly, a photosensitive resistor which changes according to light intensity is arranged in the box body, the photosensitive resistor is connected with a controller, and the controller is connected with a wireless communication module.
4. the photovoltaic module surface dust detection system of claim 3, wherein: the photovoltaic module on be equipped with the drive and accept the elevating system of judging subassembly up-and-down motion, elevating system including set up in the both sides of accepting the judgement subassembly and with the backup pad that the photovoltaic module is connected, be equipped with driving motor in the backup pad, the last lead screw that is equipped with of driving motor is equipped with the sliding block on the lead screw, the sliding block with accept the judgement subassembly and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910862337.6A CN110572129A (en) | 2019-09-12 | 2019-09-12 | photovoltaic module surface dust detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910862337.6A CN110572129A (en) | 2019-09-12 | 2019-09-12 | photovoltaic module surface dust detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110572129A true CN110572129A (en) | 2019-12-13 |
Family
ID=68779602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910862337.6A Pending CN110572129A (en) | 2019-09-12 | 2019-09-12 | photovoltaic module surface dust detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110572129A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487390A (en) * | 2020-04-15 | 2020-08-04 | 山东钢铁集团日照有限公司 | Simulated micro-stamping inspection method for steel strip for automobile panel |
| CN112213245A (en) * | 2020-11-26 | 2021-01-12 | 南京擅水科技有限公司 | Smog response alarm device based on thing networking |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103959035A (en) * | 2011-10-05 | 2014-07-30 | 西门子公司 | Method and system for positioning apparatus for monitoring parabolic reflector aerially |
| CN104690024A (en) * | 2015-03-26 | 2015-06-10 | 北京京东方能源科技有限公司 | Photovoltaic power station cleaning system |
| CN204807474U (en) * | 2015-04-03 | 2015-11-25 | 杭州中自华内光电科技有限公司 | Photovoltaic board cleanliness detector |
| CN205003099U (en) * | 2015-06-08 | 2016-01-27 | 杭州中自华内光电科技有限公司 | Light reflex method detects detector of photovoltaic board cleanliness |
| CN106290387A (en) * | 2015-06-08 | 2017-01-04 | 杭州中自华内光电科技有限公司 | The method of a kind of reflection method detection photovoltaic panel cleannes and detector |
| CN106972824A (en) * | 2017-04-20 | 2017-07-21 | 常州市鼎日环保科技有限公司 | One kind segmentation cleaning type photovoltaic component dust arrester |
| CN108856048A (en) * | 2018-06-15 | 2018-11-23 | 长飞光纤光缆股份有限公司 | A kind of photovoltaic clean robot and photovoltaic panel clean-up performance judgment method |
-
2019
- 2019-09-12 CN CN201910862337.6A patent/CN110572129A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103959035A (en) * | 2011-10-05 | 2014-07-30 | 西门子公司 | Method and system for positioning apparatus for monitoring parabolic reflector aerially |
| CN104690024A (en) * | 2015-03-26 | 2015-06-10 | 北京京东方能源科技有限公司 | Photovoltaic power station cleaning system |
| CN204807474U (en) * | 2015-04-03 | 2015-11-25 | 杭州中自华内光电科技有限公司 | Photovoltaic board cleanliness detector |
| CN205003099U (en) * | 2015-06-08 | 2016-01-27 | 杭州中自华内光电科技有限公司 | Light reflex method detects detector of photovoltaic board cleanliness |
| CN106290387A (en) * | 2015-06-08 | 2017-01-04 | 杭州中自华内光电科技有限公司 | The method of a kind of reflection method detection photovoltaic panel cleannes and detector |
| CN106972824A (en) * | 2017-04-20 | 2017-07-21 | 常州市鼎日环保科技有限公司 | One kind segmentation cleaning type photovoltaic component dust arrester |
| CN108856048A (en) * | 2018-06-15 | 2018-11-23 | 长飞光纤光缆股份有限公司 | A kind of photovoltaic clean robot and photovoltaic panel clean-up performance judgment method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111487390A (en) * | 2020-04-15 | 2020-08-04 | 山东钢铁集团日照有限公司 | Simulated micro-stamping inspection method for steel strip for automobile panel |
| CN112213245A (en) * | 2020-11-26 | 2021-01-12 | 南京擅水科技有限公司 | Smog response alarm device based on thing networking |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191213 |
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| RJ01 | Rejection of invention patent application after publication |