CN113381694A - Photovoltaic module hot spot detection device and method - Google Patents

Photovoltaic module hot spot detection device and method Download PDF

Info

Publication number
CN113381694A
CN113381694A CN202110686276.XA CN202110686276A CN113381694A CN 113381694 A CN113381694 A CN 113381694A CN 202110686276 A CN202110686276 A CN 202110686276A CN 113381694 A CN113381694 A CN 113381694A
Authority
CN
China
Prior art keywords
hot spot
spot detection
photovoltaic module
detection device
equipment
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
Application number
CN202110686276.XA
Other languages
Chinese (zh)
Inventor
叶旭东
罗会雄
黄建明
郭德彪
李�杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hairong Wuxi Energy Technology Co ltd
Original Assignee
Hairong Wuxi Energy Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hairong Wuxi Energy Technology Co ltd filed Critical Hairong Wuxi Energy Technology Co ltd
Priority to CN202110686276.XA priority Critical patent/CN113381694A/en
Publication of CN113381694A publication Critical patent/CN113381694A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • H02S50/10Testing of PV devices, e.g. of PV modules or single PV cells
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/10Cleaning arrangements
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

The invention discloses a hot spot detection device and method for a photovoltaic module, and belongs to the field of photovoltaic equipment. According to the invention, the hot spot detection device of the photovoltaic module is arranged at the photovoltaic cleaning equipment and moves along with the equipment, and real-time hot spot detection is realized on the photovoltaic module through the hot spot detection equipment; under the drive of the moving piece and the hot spot detection device driver, the hot spot detection equipment moves at the guide rail, so that all the adjacent photovoltaic modules are detected, the detection comprehensiveness is guaranteed under the condition of saving the cost of the detection equipment, and the hot spot detection equipment has high producibility.

Description

Photovoltaic module hot spot detection device and method
Technical Field
The invention relates to the field of photovoltaic equipment, in particular to a hot spot detection device and method for a photovoltaic module.
Background
Based on the continuous intelligent development of photovoltaic related equipment, the energy consumption during operation is also continuously promoted. Therefore, in order to ensure the safe and high-performance operation of the equipment, it is necessary to monitor the operation process of the equipment, such as the posture, the energy consumption condition, the heating condition and the like of the equipment.
The invention mainly aims at the problem of hot spot effect of the photovoltaic module. Under certain conditions, the shaded solar cell module is taken as a load to consume energy generated by other solar cell modules with illumination, and the shaded solar cell module generates heat at the moment and generates a hot spot effect, and the effect can seriously damage the solar cell. Therefore, real-time energy detection of the photovoltaic module is an effective way for timely finding the hot spot problem.
In the related art, the energy detection mode is that temperature measurement assemblies are fully distributed along the length direction of the photovoltaic cleaning equipment (or the photovoltaic cleaning robot), and each temperature measurement assembly completes hot spot detection when the cleaning equipment moves, however, the detection mode causes higher detection cost, the data volume collected by the fully distributed temperature measurement assemblies is also very large, the real-time collection and transmission pressure is higher, and the application and implementation are difficult.
Disclosure of Invention
The invention provides a hot spot detection device and method for a photovoltaic module, which are used for solving the problems of complex layout and high cost of hot spot detection equipment in the related technology. The scheme is as follows:
in one aspect, the present invention provides a photovoltaic module hot spot detection apparatus, which is installed at a photovoltaic cleaning device and located above a photovoltaic module, the apparatus comprising: the device comprises hot spot detection equipment, moving parts, a hot spot detection sensor, a hot spot detection device driver, a guide rail and control equipment, wherein the photovoltaic cleaning equipment drives the photovoltaic module hot spot detection device to move when moving;
the guide rail is installed along the length direction of the photovoltaic cleaning equipment, and the hot spot detection equipment is installed at the guide rail; the hot spot detection sensor is arranged at least one end of the guide rail, and the hot spot detection device driver is arranged at one end of the guide rail; the moving piece is arranged along the length direction of the guide rail and is connected with the hot spot detection device driver;
the hot spot detection device driver is used for driving the moving member to operate; in an operating state, the moving piece is used for driving the hot spot detection equipment to move along the guide rail; the hot spot detection equipment is used for carrying out hot spot detection on the photovoltaic module;
the hot spot detection sensor is used for sensing the moving position of the hot spot detection equipment;
the control equipment is installed in the photovoltaic module hot spot detection device, and the control equipment is electrically connected with the hot spot detection equipment, the hot spot detection sensor and the hot spot detection device driver.
In another aspect, the present invention provides a method for detecting hot spots of a photovoltaic module, where the method is applied to the above apparatus for detecting hot spots of a photovoltaic module, and the method includes:
the control device activates the hot spot detection device, the hot spot detection sensor, and the hot spot detection means driver;
the hot spot detection device driver drives the moving piece to operate after being started, wherein the moving piece drives the hot spot detection equipment to move at the guide rail;
after the hot spot detection sensor is started, carrying out position sensing on the hot spot detection equipment and generating movement data;
the control equipment controls the hot spot detection equipment to continuously detect the temperature of the current photovoltaic module;
in response to the completion of hot spot detection on the current photovoltaic module, the control device controls the hot spot detection device to continuously detect the temperature of the adjacent photovoltaic modules until hot spot detection of all the photovoltaic modules is completed;
and the control equipment acquires all the movement data and the hot spot detection data for detection and analysis.
The invention has the following beneficial effects:
in the embodiment of the invention, the hot spot detection device of the photovoltaic module is provided, is arranged at the photovoltaic cleaning equipment and moves along with the equipment, and realizes real-time hot spot detection on the photovoltaic module through the hot spot detection equipment; under the drive of the moving piece and the hot spot detection device driver, the hot spot detection equipment moves at the guide rail, so that all the adjacent photovoltaic modules are detected, the detection comprehensiveness is guaranteed under the condition of saving the cost of the detection equipment, and the hot spot detection equipment has high producibility.
Drawings
Fig. 1 is a schematic structural diagram illustrating a hot spot detection apparatus of a photovoltaic module according to an exemplary embodiment of the present application;
FIG. 2 is a schematic flow chart illustrating a method for detecting hot spots of a photovoltaic module according to an exemplary embodiment of the present disclosure;
fig. 3 shows a schematic flow chart of a hot spot detection method for a photovoltaic module according to another exemplary embodiment of the present application.
With the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Reference herein to "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
Example 1
Please refer to fig. 1, which shows a schematic structural diagram of a hot spot detection apparatus of a photovoltaic module according to an exemplary embodiment of the present application.
The embodiment of the invention provides a hot spot detection device for a photovoltaic module, which is arranged at a photovoltaic sweeping device and above the photovoltaic module.
It should be noted that the photovoltaic cleaning device is defined as a mobile device, and can realize the cleaning work of the photovoltaic module, wherein the photovoltaic cleaning device may be in a robot structural shape, and the embodiment of the application does not limit this.
As shown in fig. 1, the device comprises a hot spot detection device 10, a moving member 20, a hot spot detection sensor 30, a hot spot detection device driver 40, a guide rail 50 and a control device, wherein the photovoltaic cleaning device drives the photovoltaic assembly hot spot detection device to move when moving.
The guide rail 50 is installed along the length direction of the photovoltaic cleaning equipment, and the hot spot detection equipment 10 is installed at the guide rail 50; the hot spot detection sensor 30 is disposed at least at one end of the guide rail 50, and the hot spot detection device driver 40 is mounted at one end of the guide rail 50; the moving member 20 is installed along the length direction of the guide rail 50, and the moving member 20 is connected to the hot spot detecting device driver 40.
The hot spot detection device driver 40 is used for driving the moving member 20 to operate; in the operating state, the moving member 20 is used for driving the hot spot detection device 10 to move along the guide rail 50; the hot spot detection device 10 is used for carrying out hot spot detection on the photovoltaic module; the hot spot detection sensor 30 is used to sense the moving position of the hot spot detection apparatus 10.
In one possible embodiment, the photovoltaic module hot spot detection device moves following the movement of the photovoltaic cleaning apparatus, wherein, as shown in fig. 1, the moving direction of the hot spot detection apparatus 10 and the moving direction of the photovoltaic cleaning apparatus are perpendicular to each other.
Optionally, a designer may determine the installation number of the hot spot detection devices 10 according to the detection number of the photovoltaic modules and the required detection efficiency, which is not limited in the embodiment of the present application.
The control equipment is arranged in the hot spot detection device of the photovoltaic module and is electrically connected with the hot spot detection equipment 10, the hot spot detection sensor 30 and the hot spot detection device driver 40.
In summary, in the embodiment of the present invention, a photovoltaic module hot spot detection apparatus is provided, the photovoltaic module hot spot detection apparatus is disposed at a photovoltaic cleaning device and moves along with the device, and real-time hot spot detection is implemented on a photovoltaic module by a hot spot detection device; under the drive of the moving piece and the hot spot detection device driver, the hot spot detection equipment moves at the guide rail, so that all the adjacent photovoltaic modules are detected, the detection comprehensiveness is guaranteed under the condition of saving the cost of the detection equipment, and the hot spot detection equipment has high producibility.
Example 2
With reference to fig. 1, the structure of the hot spot detection device of the photovoltaic module is further described in the embodiments of the present application.
Optionally, the moving member 20 is one of a screw rod, a cable and a chain, so that the moving member 20 has a screw rod driving mode, a cable driving mode and a chain driving mode, which is not limited in the embodiment of the present application.
Optionally, the detection type of the hot spot detection apparatus 10 is one of a thermometry type and a thermal imaging type, which is not limited in the embodiment of the present application.
Alternatively, the number of the hot spot detection sensors 30 is not limited, and the hot spot detection sensors 30 may be installed at both the start point and the end point of the guide rail 50.
Optionally, the initial position of the hot spot detection device 10 when used for the first time is located at the starting position of the silicon wafer at the edge of the photovoltaic module.
In the embodiment of the invention, the types and the arrangement number of the moving parts, the hot spot detection equipment and the hot spot detection sensors are further disclosed, and the diversity of installation modes is improved.
Example 3
Referring to fig. 2, a schematic flow chart of a method for detecting hot spots of a photovoltaic module according to an exemplary embodiment of the present application is shown, where the method includes:
step 201, the control device starts the hot spot detection device, the hot spot detection sensor and the hot spot detection device driver.
Step 202, driving the moving member to operate after the driver of the hot spot detection device is started, wherein the moving member drives the hot spot detection device to move at the guide rail.
And step 203, after the hot spot detection sensor is started, the position of the hot spot detection device is sensed, and movement data is generated.
The mobile data can be the starting position data and the ending position data of the hot spot detection equipment, or the mobile position data in interval time, and can be set according to the acquisition requirement.
And step 204, controlling the hot spot detection equipment to continuously detect the temperature of the current photovoltaic module by the control equipment.
And step 205, in response to the completion of hot spot detection on the current photovoltaic module, controlling the hot spot detection equipment to continuously detect the temperature of the adjacent photovoltaic module by the control equipment until hot spot detection of all the photovoltaic modules is completed.
And step 206, the control equipment acquires all the movement data and the hot spot detection data for detection and analysis.
In an illustrative example, when the photovoltaic sweeping equipment finishes the 1 st stroke, the hot spot detection equipment performs continuous temperature detection on the photovoltaic module in the 1 st row below; when the photovoltaic cleaning equipment finishes the 2 nd stroke, the hot spot detection equipment continuously detects the temperature of the photovoltaic module in the 2 nd row below; and by analogy, the photovoltaic module is scanned line by line, and finally, all heat temperatures of the photovoltaic module are realized, so that the control equipment acquires all moving data and hot spot detection data to perform detection analysis.
The embodiment of the invention provides a hot spot detection method for a photovoltaic module, and provides method reference for the use of a hot spot detection device for the photovoltaic module, wherein the hot spot detection of the complete photovoltaic module is realized by the line-by-line movement of hot spot detection equipment, the actual requirements of a power station can be met, and the movable hot spot detection equipment has the advantage of low cost and improves the producibility.
Example 4
Referring to fig. 3, a schematic flow chart of a method for detecting hot spots of a photovoltaic module according to another exemplary embodiment of the present application is shown, where the method includes:
step 301, the control device starts the hot spot detection device, the hot spot detection sensor and the hot spot detection means driver.
And step 302, driving the moving member to operate after the driver of the hot spot detection device is started, wherein the moving member drives the hot spot detection device to move at the guide rail.
And step 303, after the hot spot detection sensor is started, performing position sensing on the hot spot detection device, and generating movement data.
And step 304, controlling the hot spot detection equipment to continuously detect the temperature of the current photovoltaic module by the control equipment.
And 305, in response to the completion of hot spot detection on the current photovoltaic module, controlling the hot spot detection equipment to continuously detect the temperature of the adjacent photovoltaic modules by the control equipment until the hot spot detection of all the photovoltaic modules is completed.
And step 306, the control equipment acquires hot spot detection data of the measuring points at each photovoltaic module according to the mobile data.
Optionally, each photovoltaic module is preset with a measurement point.
In step 307, in response to the presence of the measurement point temperature abnormality, the control apparatus determines the measurement point of the temperature abnormality as an abnormal heat amount temperature point.
In the embodiment of the invention, on the basis of the above embodiment, the content of detection and analysis of all the movement data and the hot spot detection data acquired by the control equipment is further disclosed, so that the abnormal heat temperature point at a specific position can be accurately determined, and the hot spot detection accuracy is ensured.
The invention is not to be considered as limited to the particular embodiments shown and described, but is to be understood that various modifications, equivalents, improvements and the like can be made without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a photovoltaic module hot spot detection device, its characterized in that, photovoltaic module hot spot detection device installs in photovoltaic cleans equipment department and is located the photovoltaic module top, the device includes: the device comprises hot spot detection equipment (10), a moving piece (20), a hot spot detection sensor (30), a hot spot detection device driver (40), a guide rail (50) and control equipment, wherein the photovoltaic sweeping equipment drives the photovoltaic module hot spot detection device to move when moving;
the guide rail (50) is installed along the length direction of the photovoltaic sweeping device, and the hot spot detection device (10) is installed at the guide rail (50); the hot spot detection sensor (30) is arranged at least one end of the guide rail (50), and the hot spot detection device driver (40) is arranged at one end of the guide rail (50); the moving member (20) is installed along the length direction of the guide rail (50), and the moving member (20) is connected with the hot spot detection device driver (40);
the hot spot detection device driver (40) is used for driving the moving member (20) to operate; in the operating state, the moving member (20) is used for driving the hot spot detection device (10) to move along the guide rail (50); the hot spot detection device (10) is used for carrying out hot spot detection on the photovoltaic module; the hot spot detection sensor (30) is used for sensing the moving position of the hot spot detection device (10);
the control equipment is installed in the photovoltaic module hot spot detection device, and the control equipment is electrically connected with the hot spot detection equipment (10), the hot spot detection sensor (30) and the hot spot detection device driver (40).
2. The photovoltaic module hot spot detection apparatus according to claim 1, wherein the moving member (20) is one of a lead screw, a rope, and a chain.
3. The photovoltaic module hot spot detection apparatus according to claim 1, wherein the detection type of the hot spot detection device (10) is one of a thermometry type and a thermal imaging type.
4. The photovoltaic module hot spot detection device according to any one of claims 1 to 3, wherein the initial position of the hot spot detection device (10) in the initial use is located at the starting position of the silicon wafer at the edge of the photovoltaic module.
5. A photovoltaic module hot spot detection method, which is applicable to the photovoltaic module hot spot detection device of any one of the above claims 1 to 4, and comprises the following steps:
the control device activates the hot spot detection device, the hot spot detection sensor, and the hot spot detection means driver;
the hot spot detection device driver drives the moving piece to operate after being started, wherein the moving piece drives the hot spot detection equipment to move at the guide rail;
after the hot spot detection sensor is started, carrying out position sensing on the hot spot detection equipment and generating movement data;
the control equipment controls the hot spot detection equipment to continuously detect the temperature of the current photovoltaic module;
in response to the completion of hot spot detection on the current photovoltaic module, the control device controls the hot spot detection device to continuously detect the temperature of the adjacent photovoltaic modules until hot spot detection of all the photovoltaic modules is completed;
and the control equipment acquires all the movement data and the hot spot detection data for detection and analysis.
6. The method according to claim 5, wherein each photovoltaic module is preset with a measuring point, and the control device acquires all the movement data and the hot spot detection data for detection and analysis, and comprises the following steps:
the control equipment acquires hot spot detection data of measurement points at each photovoltaic module according to the mobile data;
in response to the presence of the measurement point temperature abnormality, the control apparatus determines a measurement point of the temperature abnormality as an abnormal heat amount temperature point.
CN202110686276.XA 2021-06-21 2021-06-21 Photovoltaic module hot spot detection device and method Pending CN113381694A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110686276.XA CN113381694A (en) 2021-06-21 2021-06-21 Photovoltaic module hot spot detection device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110686276.XA CN113381694A (en) 2021-06-21 2021-06-21 Photovoltaic module hot spot detection device and method

Publications (1)

Publication Number Publication Date
CN113381694A true CN113381694A (en) 2021-09-10

Family

ID=77578086

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110686276.XA Pending CN113381694A (en) 2021-06-21 2021-06-21 Photovoltaic module hot spot detection device and method

Country Status (1)

Country Link
CN (1) CN113381694A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104646340A (en) * 2015-03-09 2015-05-27 武汉理工大学 Self-detecting cleaning device for photovoltaic array
CN107733365A (en) * 2017-11-15 2018-02-23 青海黄河上游水电开发有限责任公司光伏产业技术分公司 The EL automatic testing equipments and system of a kind of photovoltaic module
CN108233867A (en) * 2017-11-30 2018-06-29 国电南瑞南京控制系统有限公司 A kind of photovoltaic array hot spot real-time detection apparatus and method
KR20200104056A (en) * 2019-02-26 2020-09-03 (주)탑인프라 Temperature reduction and cleaning system for photovoltaic module
CN212486462U (en) * 2020-04-12 2021-02-05 刘睿 Photovoltaic module EL electroluminescence defect automatic check robot

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104646340A (en) * 2015-03-09 2015-05-27 武汉理工大学 Self-detecting cleaning device for photovoltaic array
CN107733365A (en) * 2017-11-15 2018-02-23 青海黄河上游水电开发有限责任公司光伏产业技术分公司 The EL automatic testing equipments and system of a kind of photovoltaic module
CN108233867A (en) * 2017-11-30 2018-06-29 国电南瑞南京控制系统有限公司 A kind of photovoltaic array hot spot real-time detection apparatus and method
KR20200104056A (en) * 2019-02-26 2020-09-03 (주)탑인프라 Temperature reduction and cleaning system for photovoltaic module
CN212486462U (en) * 2020-04-12 2021-02-05 刘睿 Photovoltaic module EL electroluminescence defect automatic check robot

Similar Documents

Publication Publication Date Title
CN102023235B (en) Contrapuntal detection equipment and contrapuntal detection method of solar cell panel detection system
CN103949866A (en) Flat-plate solar collector transparent cover plate automatic assembling machine
CN207655548U (en) A kind of photovoltaic array cleaning equipment
CN113381694A (en) Photovoltaic module hot spot detection device and method
CN204180016U (en) A kind of rail mounted photovoltaic arrays fault infrared imaging on-Line Monitor Device
CN207288118U (en) A kind of photovoltaic panel cleaning equipment
CN103033733B (en) Detection method for photovoltaic modules needing to be maintained in photovoltaic array
CN215765645U (en) Defrosting controller based on fan current, coil temperature and operation time
CN105987789A (en) Leak detection device for waste heat recovery heat exchanger
CN109032192A (en) A kind of heliostat controls integrated controller and control method
CN110000816B (en) Novel charging method for inspection robot
CN212947354U (en) Steam generator positioning device
KR102137631B1 (en) System for Diagnosis of Solar Panel Condition and Method Using the Same
CN209096495U (en) A kind of contact pressure automatic control charging bow system
CN105763158B (en) Pass through the method for monitoring mobile phone photovoltaic plant
CN109683530A (en) A kind of Moving Objects control system based on trolley and power carrier
CN202978411U (en) Backup source management system of underwater real-time detection apparatus
CN103149921B (en) A kind of liquid tank type test unit of waterproof temp sensing controller and method of testing thereof
CN202975212U (en) Ageing device for energy-saving machines
CN212900698U (en) Heating surface inspection device for boiler maintenance
CN216301295U (en) Power distribution room inspection device
CN217994181U (en) Automatic charging platform convenient to unmanned aerial vehicle stops
CN219772195U (en) Tension control device in precise stainless steel vertical annealing furnace
CN221279453U (en) Boiler tube leakage detection device
CN215818057U (en) Photovoltaic panel surface defect detection equipment

Legal Events

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