CN104980107A - Detection system and detection method for detecting faults of photovoltaic module - Google Patents

Detection system and detection method for detecting faults of photovoltaic module Download PDF

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Publication number
CN104980107A
CN104980107A CN201510395539.6A CN201510395539A CN104980107A CN 104980107 A CN104980107 A CN 104980107A CN 201510395539 A CN201510395539 A CN 201510395539A CN 104980107 A CN104980107 A CN 104980107A
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CN
China
Prior art keywords
photovoltaic panel
unit
temperature
photovoltaic
cleaning device
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CN201510395539.6A
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Chinese (zh)
Inventor
张意铃
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Allen Kashi Photovoltaic Technology Co. Ltd.
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张意铃
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Priority to CN201510202706 priority Critical
Priority to CN2015102027060 priority
Application filed by 张意铃 filed Critical 张意铃
Priority to CN201510395539.6A priority patent/CN104980107A/en
Publication of CN104980107A publication Critical patent/CN104980107A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-RED 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
    • 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

Abstract

The invention discloses a detection system and a detection method for detecting the faults of a photovoltaic module. The system is arranged on an automatic cleaning device of the photovoltaic module. The automatic cleaning device is used for cleaning a to-be-cleaned photovoltaic panel while moving along the photovoltaic panel. The detection system comprises a first temperature detection unit, an intelligent control unit and a wireless communication unit. The first temperature detection unit is used for detecting the temperature of the photovoltaic panel during the cleaning process of the photovoltaic panel by the automatic cleaning device. The intelligent control unit is connected with the first temperature detection unit and is used for receiving and processing the detected temperature of the first temperature detection unit. The wireless communication unit is connected with the intelligent control unit and is used for sending the processed temperature of the intelligent control unit to a master control chamber. According to the invention, the photovoltaic panel is cleaned, while the temperature of the photovoltaic panel is detected at the same time. Meanwhile, the detected temperature is transmitted to the master control chamber. Therefore, once a photovoltaic panel generates electricity abnormally, the photovoltaic panel can be replaced just in time. As a result, the power generation efficiency of the photovoltaic module is greatly improved, and the service life of the photovoltaic module is greatly prolonged.

Description

Be applied to the detection system in photovoltaic module fault detect and detection method
The application with application number be 201510202706.0, the applying date be April 27, denomination of invention in 2015 is that the patent of invention of " a kind of thermal infrared detection system be applied in photovoltaic module fault detect " is for priority document.
Technical field
The present invention relates to photovoltaic module cleaning and field of fault detection, be particularly a kind ofly applied to detection system in photovoltaic module fault detect and detection method.
Background technology
At present, along with the high speed development of photovoltaic generation industry, photovoltaic generation industry is with its environmental protection, energy quality advantages of higher, become a kind of new trend of domestic and international power industry, but the photovoltaic panel face used due to photovoltaic generation is arranged on outdoor usually, and the airborne dust of outdoor, haze, rainwater, bird excrement etc. all can pollute photovoltaic panel face and cover, and photovoltaic electrification component tandem working, if there is fault in an assembly unit, this trouble unit temperature will raise, have a strong impact on generating efficiency and the useful life of whole group of photovoltaic module, so photovoltaic module needs regularly cleaning and fault detect, domestic and international detection for photovoltaic module intelligent cleaning and intelligent fault all fails to realize effective solution at present.
For in prior art, cause because fault photovoltaic panel is not timely detected the technical problem that the generating efficiency of whole group of photovoltaic module is low, useful life is short, not yet propose solution effectively at present.
Summary of the invention
The application provides a kind of and is applied to detection system in photovoltaic module fault detect and detection method, can solve in prior art and cause because fault photovoltaic panel is not timely detected the technical problem that the generating efficiency of whole group of photovoltaic module is low, useful life is short.
In order to solve the problem, this application discloses a kind of detection system be applied in photovoltaic module fault detect.This Operation system setting is on the automatic cleaning device of photovoltaic module, this automatic cleaning device is used for moving along photovoltaic panel to be cleaned, and in moving process, photovoltaic panel is cleaned, this detection system comprises: the first temperature detecting unit, for when automatic cleaning device cleans photovoltaic panel, detect the temperature of photovoltaic panel; Intelligent control unit, is connected with the first temperature detecting unit, for receiving and process the temperature that the first temperature detecting unit detects; And wireless communication unit, be connected with intelligent control unit, for the temperature after intelligent control unit process is sent to master-control room.
Further, the first temperature detecting unit comprises at least one thermal-infrared scanning device, in the process of automatic cleaning device movement, to the thermal-infrared scanning that photovoltaic panel (generator unit) carries out one by one.
Further, this detection system also comprises: position detection unit, for when the first temperature detecting unit detects the temperature of photovoltaic panel, detects the position of photovoltaic panel; Intelligent control unit is connected with position detection unit, and the temperature detected with the position detected according to position detection unit and the first temperature detecting unit determines the position of abnormal photovoltaic panel.
Further, position detection unit comprises proximity switch or optoelectronic switch, detects the position of photovoltaic panel for the gap by detecting photovoltaic panel.
Further, detection system and automatic cleaning device share intelligent control unit, wireless communication unit and power supply unit, and power supply unit comprises the photovoltaic electrification component and storage battery that carry.
Further, automatic cleaning device comprises: framework, comprises both ends and pars intermedia, and framework is across when riding on photovoltaic panel to be cleaned, and pars intermedia is parallel with photovoltaic panel to be cleaned; Walking unit, being arranged on both ends and/or the pars intermedia of framework, moving for driving automatic cleaning device along photovoltaic panel to be cleaned; Pilot unit, is arranged on the both ends of framework, for limiting the run trace of walking unit; Cleaning unit, is arranged on the pars intermedia of framework, in the process of automatic cleaning device movement, cleans photovoltaic panel to be cleaned; Driver element, comprises motor and running part, for providing power to cleaning unit and walking unit; Intelligent control unit is connected with motor, comprises intelligent control circuit plate, for the start and stop of intelligentized control motor.
Further, pilot unit comprises support wheel, when framework is overall across when riding on photovoltaic panel, the support wheel being arranged on framework one end rides over the upper side edge of photovoltaic panel, the lower side of the support wheel and photovoltaic panel that are arranged on the framework other end has predetermined gap, and the end face being arranged on the support wheel at framework both ends is all parallel with photovoltaic panel; Walking unit comprises driving wheel, wherein, the fixed support of driving wheel along photovoltaic panel, photovoltaic component frame, photovoltaic panel and/or the connector walking of photovoltaic panel, cleaning unit comprises hairbrush, and in the process that walking cell row is walked, hairbrush is attached on photovoltaic panel, the running part of driver element comprises: the first power transmission shaft, being connected with motor, being set to the mandrel of hairbrush, rotating for being with electric brush; Second driving shaft, is connected with walking unit, for providing walking power to walking unit; And transmission component, comprise driving wheel, driven pulley and driving-belt, driving wheel is connected with the first power transmission shaft, and driven pulley is connected with second driving shaft, and driving wheel drives driven pulley reverse rotation by driving-belt.
Further, this detection system also comprises: heating unit, for heating to storage battery; Second temperature detecting unit, for the temperature of testing environment temperature and storage battery, wherein, intelligent control unit is connected with the second temperature detecting unit with heating unit, for when ambient temperature can not meet the condition of battery-operated, control heating unit and heat to storage battery, and when the temperature of storage battery rises to preset temperature, control heating unit and stop heating, and the photovoltaic electrification component controlling to carry is to charge in batteries.
In order to solve the problem, this application discloses a kind of detection method be applied in photovoltaic module fault detect.The detection system that the method adopts is arranged on the automatic cleaning device of photovoltaic module, this automatic cleaning device is used for moving along photovoltaic panel to be cleaned, and in moving process, photovoltaic panel is cleaned, this detection method comprises: when automatic cleaning device cleans photovoltaic panel, detects the temperature of photovoltaic panel; The temperature of the photovoltaic panel detected is processed; And the temperature after process is sent to master-control room.
Further, this detection method also comprises: when detecting the temperature of photovoltaic panel, detects the position of photovoltaic panel; The position of abnormal photovoltaic panel is determined according to the position detected and the temperature detected; And the position of abnormal photovoltaic panel is sent to master-control room.
Compared with prior art, the application has the following advantages:
Provide a kind of detection system be applied in photovoltaic module fault detect, this detection system is arranged on the automatic cleaning device of photovoltaic module, thus in the process of photovoltaic panel being cleaned at automatic cleaning device, complete the detection of photovoltaic panel temperature, realize cleaning and fault detect by a machine simultaneously, realize a tractor serves several purposes.The temperature of photovoltaic panel is detected at the first temperature detecting unit, master-control room is sent to by wireless communication unit after intelligent control unit process, so that master-control room can know abnormal photovoltaic panel in time, and then replace the abnormal photovoltaic panel of generating in time, increase substantially generating efficiency and the useful life of photovoltaic module.
Preferably, the first temperature detecting unit adopts thermal-infrared scanning device to carry out thermal-infrared scanning one by one to photovoltaic panel, and does not directly contact photovoltaic panel face, to photovoltaic panel not damaged due to thermal-infrared scanning device; And the thermal-infrared scanning device reaction time is fast, without the need to waiting for heat balance process, realizes accurate fast detecting.
Preferably, detection system is also provided with position detection unit, while the first temperature detecting unit detects photovoltaic panel temperature, realizes the acquisition of photovoltaic panel position, thus can navigate to the position of abnormal photovoltaic panel accurately.
Preferably, position detection unit specifically adopts proximity switch, is detected the position of photovoltaic panel, accurate positioning, and the outdoor environment being applicable to photovoltaic panel place by the gap detecting photovoltaic panel.
Preferably, detection system and automatic cleaning device share intelligent control unit, wireless communication unit and power supply unit, reduce costs, and alleviate automatic cleaning device overall weight, avoid unnecessary energy loss.Power supply unit comprises the photovoltaic electrification component and storage battery that carry, avoids external power supply to need to arrange circuit, arrange the problems such as power supply facilities, and adopts photovoltaic module generating, takes full advantage of the environmental condition of photovoltaic panel to be detected.
Preferably, automatic cleaning device by framework across riding on photovoltaic panel to be cleaned, when unit of walking drives the overall suitable photovoltaic panel to be cleaned of automatic cleaning device to move, cleaning unit can clean photovoltaic panel to be cleaned, realizes servo-actuated with sweeping with detection.Wherein, by the run trace of pilot unit restriction walking unit, there is not position deviation to ensure automatic cleaning device entirety can move along photovoltaic panel to be cleaned; Realize the on off control to motor intelligent by intelligent control unit, the cleaning duration, start-stop time etc. that realize automatic cleaning device effectively control.
Preferably, pilot unit specifically adopts the structure of support wheel to realize, and ensures the run trace of walking unit.The lower side of the support wheel and photovoltaic panel that ride over the lower side of photovoltaic panel has predetermined gap, and automatic cleaning device can either be moved along photovoltaic panel to be cleaned, again can not be irregular and by card due to edge.Walking unit adopts the structure of driving wheel to realize, and can walk along the connector of the fixed support of photovoltaic panel, photovoltaic component frame, photovoltaic panel and/or photovoltaic panel, without the need to additionally arranging walking track, structure is simple, saves cost.Cleaning unit adopts the structure of hairbrush to realize, and hairbrush is attached on photovoltaic panel, cleans photovoltaic panel, without the need to consuming water, saves water resources.Running part makes the direction of rotation of hairbrush contrary with the direction of advance of walking unit, and the linear velocity that hairbrush rotates is greater than the speed that walking unit advances, and makes to clean better effects if.
Preferably, by arranging heating unit and temperature detecting unit, storage battery can be made to work under good condition of work, the charge efficiency of battery is high, charge storage ability is strong, long service life.
Additionally provide a kind of detection method be applied in photovoltaic module fault detect, the detection system that the method adopts is arranged on the automatic cleaning device of photovoltaic module, thus in the process of photovoltaic panel being cleaned at automatic cleaning device, complete the detection of photovoltaic panel temperature, realize cleaning and fault detect by a machine simultaneously, realize a tractor serves several purposes.The temperature of photovoltaic panel be sent to master-control room after treatment detecting, so that master-control room can know abnormal photovoltaic panel in time, and then replace the abnormal photovoltaic panel of generating in time, increase substantially generating efficiency and the useful life of photovoltaic module.
Preferably, in this detection method, while detecting photovoltaic panel temperature, realize the detection of photovoltaic panel position, thus the position of abnormal photovoltaic panel can be navigated to accurately.
Accompanying drawing explanation
Fig. 1 to Fig. 8 is the structural representation of the embodiment of the present application 1;
Fig. 9 to Figure 12 is the structural representation of the embodiment of the present application 2;
Figure 13 to Figure 18 is the structural representation of the embodiment of the present application 3;
Figure 19 is the method flow diagram of the embodiment of the present application 4.
In figure:
1-hairbrush; 2-driving wheel; 3-support wheel; 4-support wheel; 5-framework pars intermedia; 6-framework one end; 7-framework the other end; 8-photovoltaic electrification component; 9-electric power assembly; 10-protective cover plate; 12-motor; 13-intelligent control unit; 14-storage battery; 15-position detection unit; 21-driven pulley; 22-driving wheel; 23-regulating wheel; 24-driving-belt; 25-second driving shaft; 26-first power transmission shaft; 30-upper end box assembly; 31-transmission component; 32-cleans assembly; 33-lower end box assembly; 34-DC-DC power pack; 35-interlude assembly; 36-thermal infrared temp probe; 37-proximity switch.
Embodiment
For enabling above-mentioned purpose, the feature and advantage of the application more become apparent, below in conjunction with the drawings and specific embodiments, the application is described in further detail.
In the description of the application, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the application and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the application can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In the description of the application, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In this application, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this application can be understood as the case may be.
In this application, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
Embodiment 1
Referring to figs. 1 through Fig. 8, show the schematic diagram being applied to the detection system in photovoltaic module fault detect that the embodiment of the present application 1 provides, this detection system is arranged on the automatic cleaning device of photovoltaic module.Automatic cleaning device is used for moving along photovoltaic panel to be cleaned, and cleans photovoltaic panel in moving process.In cleaning process, detection system detects the temperature of photovoltaic panel to be cleaned simultaneously.
Particularly, detection system comprises the first temperature detecting unit, and the first temperature detecting unit is thermal infrared temp probe 36 in this embodiment, when automatic cleaning device cleans photovoltaic panel, detects the temperature of photovoltaic panel.Detection system also comprises the intelligent control unit 13 shared with automatic cleaning device, and this intelligent control unit 13, as a part for electric power assembly 9, is arranged at the position near framework one end 6.Intelligent control unit 13 is connected with each thermal infrared temp probe 36, for receiving and process the temperature that each thermal infrared temp probe 36 detects.Detection system also comprises the wireless communication unit be connected with intelligent control unit 13, and the temperature after intelligent control unit 13 processes by this wireless communication unit is sent to master-control room, and wireless communication unit is also that detection system and automatic cleaning device share.In addition, detection system also comprises the power supply unit shared with automatic cleaning device, power supply unit comprises storage battery 14 and photovoltaic electrification component 8, wherein, storage battery 14 is also as a part for electric power assembly 9, be arranged at the position near framework one end 6, the photovoltaic electrification component 8 carried is arranged at the position near framework the other end 7.
By arranging this detection system on the automatic cleaning device of photovoltaic module, in the process can cleaned photovoltaic panel at automatic cleaning device, completing the detection of photovoltaic panel temperature, realizing cleaning and fault detect by a machine simultaneously, realizing a tractor serves several purposes.The temperature of photovoltaic panel is detected at thermal infrared temp probe, master-control room is sent to by wireless communication unit after intelligent control unit process, so that master-control room can know abnormal photovoltaic panel in time, and then replace the abnormal photovoltaic panel of generating in time, increase substantially generating efficiency and the useful life of photovoltaic module.
Preferably, detection system also comprises position detection unit, for when the first temperature detecting unit detects the temperature of photovoltaic panel, detect the position of photovoltaic panel, intelligent control unit 13 is connected with position detection unit, and the temperature detected with the position detected according to position detection unit and thermal infrared temp probe 36 determines the position of abnormal photovoltaic panel.
Wherein, the framework of automatic cleaning device comprises both ends 6,7 and pars intermedia, and pars intermedia is integral type, and protective cover plate 10 is also for integral type is arranged at the end face of pars intermedia.By unified to intelligent control unit 13, motor 12 and storage battery 14 electric power assembly 9 being set to clearing apparatus, this electric power assembly 9 is arranged at the position near framework one end 6.
Two driving wheels 2 that walking unit comprises the end 6 being arranged on framework and two driving wheels, 2, four driving wheels being arranged on framework the other end 7 are all orbit walking along photovoltaic panel metal edge frame.Pilot unit comprises three support wheels 4 of the end 6 being arranged on framework and is arranged on two support wheels 3 of framework the other end 7, and the end face of each support wheel is all parallel with photovoltaic panel.By support wheel setting up and down, the run trace of restriction driving wheel 2, avoids driving wheel 2 to wander off in the process of advancing.Simultaneously, two support wheels 3 being arranged on framework the other end 7 have predetermined gap with the lower side of photovoltaic panel, this gap makes clearing apparatus can adapt to the change within the specific limits of photovoltaic panel width, such as, due to photovoltaic panel manufacturing process or fitting operation cause photovoltaic panel edge uneven time, due to the setting of upper and lower support wheel and the existence in this gap, automatic cleaning device can either be moved along photovoltaic panel to be cleaned, again can not be irregular and by card due to edge.And the number riding over the support wheel of the upper side edge of photovoltaic panel is 3, the number riding over the support wheel of the lower side of photovoltaic panel is 2, can either ensure that automatic cleaning device moves along photovoltaic panel to be cleaned, have employed less support wheel in end 7 again, provide cost savings.
Cleaning unit is the rotatable hairbrush 1 of spiral, is arranged on the pars intermedia 5 of framework, and is arranged on the downside of protective cover plate 10, in driving wheel 2 rolls process that brought forward clearing apparatus moves integrally, cleans photovoltaic panel to be cleaned.
Fig. 6 is the structural representation of the running part of the driver element being arranged at end 6, and Fig. 7 is the generalized section along A-A direction.As shown in Figure 6 and Figure 7, transmission component comprises the first power transmission shaft 26, second driving shaft 25 and transmission component, transmission component specifically comprises driving wheel 22, driven pulley 21 and driving-belt 24, preferably also comprise regulating wheel 23, and driving wheel 22, driven pulley 21 and regulating wheel 23 all adopt chain sprocket structure, driving-belt 24 relative set is chain.First power transmission shaft 26 is connected with motor, and is set to the mandrel of hairbrush 1, and the first power transmission shaft 26 obtains motor power when rotating, and band electric brush 1 rotates; Simultaneously, power is passed to two driven pulleys 21 by driving-belt 24 by driving wheel 22, two second driving shafts 25 are connected with driven pulley 21 and driving wheel 2 respectively, power is passed to driving wheel 2 by driven pulley 21 again, thus while hairbrush rotates, driving wheel 2 also rotates, and clearing apparatus entirety can be driven thus to advance.Preferably, driving wheel 22 drives driven pulley 21 reverse rotation by driving-belt 24, makes the direction of rotation of hairbrush contrary with the direction of advance of driving wheel, makes cleaning better effects if.Preferably, driving wheel 22 is less than driven pulley 24, and the speed that hairbrush 1 is rotated is greater than the rotary speed of driving wheel 2, and then the linear velocity of hairbrush 1 is greater than the speed of walking unit advance, makes cleaning better effects if further.
Further preferably, for the automatic cleaning device of cleaning works photovoltaic panel under the relatively low operating mode of ambient temperature, this automatic cleaning device also can comprise heating unit and temperature detecting unit (not shown), such as, heating unit and temperature detecting unit are encapsulated and is set to detachable assembly, at the use scenes that operating ambient temperature is relatively high, do not arrange this assembly maybe this assembly to be dismantled from automatic cleaning device, at the use scenes that operating ambient temperature is relatively low, this assembly is arranged on automatic cleaning device.Particularly, heating unit is used for heating storage battery, temperature detecting unit is in the temperature of testing environment temperature and storage battery, intelligent control unit is connected with temperature detecting unit respectively with heating unit, as the brain controlled, when ambient temperature can not meet the condition of battery-operated, control heating unit to heat to storage battery, and when the temperature of storage battery rises to preset temperature, control heating unit and stop heating, and the photovoltaic electrification component controlling to carry is to charge in batteries, thus, can make battery-operated under good temperature conditions, thus make the charge efficiency of storage battery high, charge storage ability is strong, long service life.
Embodiment 2
With reference to Fig. 9 to Figure 12, show the schematic diagram being applied to the detection system in photovoltaic module fault detect that the embodiment of the present application 2 provides, this embodiment 2 is with the main distinction of embodiment 1, the framework of the automatic cleaning device at the detection system place of this embodiment 2 is segmentations, accordingly, thermal infrared temp probe 36 is evenly distributed on the framework of segmentation, and other identical parts, with reference to above-described embodiment 1, repeat no more herein.Specifically be divided into two sections, also can be divided into more than two sections, the application does not limit.In the present embodiment, protective cover plate 10 and hairbrush 1 also relative set are the segmentation structure of two sections, are described as follows.
Framework comprises both ends 6,7 and pars intermedia, and pars intermedia is segmented, and protective cover plate 10 is also segmented, is arranged at the end face of pars intermedia.By unified to intelligent control unit, motor and the storage battery electric power assembly 9 being set to clearing apparatus, this electric power assembly 9 is arranged at the point midway of framework pars intermedia, and the photovoltaic electrification component 8 carried is arranged at the position near framework one end 6.Walking unit except the driving wheel 2 being arranged on framework both ends, also comprise be arranged at pars intermedia 5 two driving wheels, 2, six driving wheels all along photovoltaic panel metal edge frame be orbit walking.The number riding over the support wheel of the upper side edge of photovoltaic panel is 3, the number riding over the support wheel of the lower side of photovoltaic panel is 2, can either ensure that automatic cleaning device moves along photovoltaic panel to be cleaned, have employed less support wheel in end 7 again, provide cost savings.
Cleaning unit is the rotatable hairbrush 1 of spiral, is correspondingly also set to two sections, and is arranged on the downside of protective cover plate 10, in driving wheel 2 rolls process that brought forward clearing apparatus moves integrally, cleans photovoltaic panel to be cleaned.Also be provided with two position detection unit 15 at the point midway of pars intermedia 5, be specifically as follows proximity switch or limit switch.
Embodiment 3
This embodiment offers a kind of detection system be applied in photovoltaic module fault detect, be specially thermal infrared detection system, this thermal-infrared sensing detection system is integrated and be arranged in photovoltaic module automatic cleaning device, as shown in Figure 13 to Figure 16, photovoltaic module automatic cleaning device comprises upper end box assembly 30, interlude assembly 35, lower end box assembly 33, framework, motor 12, transmission component 31 and cleaning assembly 32, described upper end box assembly 30, lower end box assembly 33 and interlude assembly 35 connect into an entirety by framework, described cleaning assembly 32 is arranged between upper end box assembly 30 and interlude assembly 35 respectively, between lower end box assembly 33 and interlude assembly 35, described upper end box assembly 30, lower end box assembly 33 and interlude assembly 35 are respectively arranged with driving wheel 2, described transmission component 31 connects each driving wheel 2 and cleaning assembly 32 respectively, described upper end box assembly 30 is provided with at least two support wheels 4, described support wheel 4 is arranged on the bottom of upper end box assembly 30 casing, support wheel 4 end face is parallel to photovoltaic module plane to be cleaned, the lower surface of described lower end box assembly 33 is higher than the lower surface of upper end box assembly 30, and the driving wheel 2 that lower end box assembly 33 is arranged can stretch out from the lower surface of lower end box assembly 33.In this embodiment, lower end box assembly 33 is designed to Open architecture, the cleaning direction only arranging support wheel 4 pairs of devices on upper end box assembly 30 limits, width in photovoltaic module certain limit is not limited, thus improves adaptability and the versatility of device; When bottom this device lower end box assembly 33, driving wheel 2 is close to photovoltaic module plane, the lower surface of lower end box assembly 33 is higher than photovoltaic module plane, thus the width restriction eliminated when this clearing apparatus is assembled on photovoltaic module, error when allowing photovoltaic module to install, thus improve the adaptive capacity of this device for photovoltaic generation environment actual state.
Photovoltaic module automatic cleaning device framework end face is provided with protective cover plate 10, described protective cover plate 10 comprises protective cover plate and lower protective cover plate, described upper protective cover plate is arranged between upper end box assembly 30 and interlude assembly 35, and lower protective cover plate is arranged between lower end box assembly 33 and interlude assembly 35.
In addition, this thermal infrared detection system also comprises intelligent control unit 13, and intelligent control unit 13 can control automatic cleaning device and thermal infrared detection system simultaneously.Photovoltaic module automatic cleaning device also comprises supply module, as shown in figure 17, supply module comprises photovoltaic electrification component 8 and storage battery 14, is connected between described photovoltaic electrification component 8 and storage battery 14 by power pack 14, and described storage battery 14 is that the operation of motor 12 is powered; The start and stop of described intelligent control unit 13 pairs of motors 12 control.
Photovoltaic module automatic cleaning device is provided with limit switch 15, described limit switch 15 comprises left limit switch and the right limit switch of the left and right sides being separately positioned on this device, and described left limit switch is connected intelligent control unit 13 respectively with right limit switch.
Photovoltaic module automatic cleaning device, comprise upper end box assembly 30, interlude assembly 35, lower end box assembly 33, framework, cleaning assembly 32, photovoltaic electrification component 8, upper and lower end box assembly and interlude assembly are connected by framework and form a whole, and two brush sweepers in cleaning assembly 32 are installed on upper end box assembly 30 and interlude assembly 35 and between lower end box assembly 33 and interlude assembly 35.Be provided with transmission component 31 in upper and lower end box assembly, for driving driving wheel 2 and cleaning assembly 32, wherein driving wheel 2 is contrary with cleaning assembly 32 direction of rotation.Upper end box assembly 30 is provided with support wheel 4 and upper driving wheel 2, and lower end box assembly 33 is provided with lower driving wheel 2, interlude assembly 7 is provided with intermediate driving wheel 2.This automatic cleaning device is across when riding on photovoltaic module, and the support wheel 4 of upper end box assembly 30 rides on photovoltaic module upper side edge, for limiting the traffic direction of photovoltaic module automatic cleaning device; Whole photovoltaic module automatic cleaning device is arranged on photovoltaic module by each driving wheel; Lower end box assembly is designed to Open architecture by this photovoltaic module automatic cleaning device, only on the box assembly of upper end, arrange the cleaning direction of support wheel to device to limit, compared to existing clearing apparatus, owing to eliminating the support wheel on the box assembly of lower end, change spacing for original clamping guide frame into open spacing guide frame, under the prerequisite ensureing spacing guide function, width in photovoltaic module certain limit is not limited, thus improve adaptability and the versatility of device, be applicable to the cleaning of various different size photovoltaic module.
In the present invention, first power is passed to the mandrel of brush sweeper on cleaning assembly 32 by the motor 12 be installed in interlude assembly 35, respectively power is passed to upper and lower end box assembly by brush sweeper mandrel, dynamic retarding also will turn to oppositely and pass to driving wheel by transmission component 31, owing to being linked together by transmission component 31 between each driving wheel, thus synchronous operation between each driving wheel can be kept.
The electric part of the present embodiment comprises: photovoltaic electrification component 8, motor 12, DC-DC current transformation 34, storage battery 14, intelligent control unit 13, right limit switch 15 and left limit switch 15; Under the enough conditions of illumination, photovoltaic electrification component 8 starts generating, its output current charges for storage battery 14 after DC-DC power pack 34 processes, the motor 12 that storage battery 14 is this clearing apparatus by intelligent control unit 13 is powered, and its battery capacity can meet this clearing apparatus one cleaning circulation station service power.
Intelligent control unit 13 can be able to set the operating time of this clearing apparatus, when after arrival setting-up time, intelligent control unit 13 starts cleaning works by automatically starting clearing apparatus, the left limit switch 15 being arranged on this clearing apparatus left and right sides is connected intelligent control unit 13 with right limit switch 15, left limit switch 15 and right limit switch 15 are respectively used to judge the run location of this clearing apparatus, and this position signalling is transferred to intelligent control unit 13, turning to of motor 12 is controlled by intelligent control unit 13, namely when this clearing apparatus runs to the extreme position of photovoltaic module, can automatically judge, and realize counter motion, thus realize automatically circulating up and down of this clearing apparatus.At the end of a cleaning circulation, the limit switch of this clearing apparatus is for checking stroke limit position, when running to extreme position, limit switch transfers signals to intelligent control unit 13, automatically controls this clearing apparatus stop cleaning work by intelligent control unit 13.
Photovoltaic module automatic cleaning device in above-described embodiment, is for photovoltaic generation industry, the automated machine device that photovoltaic module efficiently cleans and develops.This clearing apparatus is laterally across taking in by the photovoltaic module that cleans, and driving wheel to roll walking along photovoltaic component frame, and the brush length on cleaning assembly is consistent with the plate face width degree of photovoltaic module.Driven unit drives hairbrush axle and transmission component, drives driving wheel, drive this clearing apparatus to walk along the plate face of photovoltaic module by transmission component; The plate face of photovoltaic module is close to by hairbrush in cleaning assembly, and during operation, it turns to and driving wheel direction of rotation.In this clearing apparatus course of work, brush sweeper, along traffic direction counter-rotating, is close to photovoltaic module plate face and is cleaned, and only need a cleaning circulation, photovoltaic module plate face just can be cleaned totally.For ensureing that this clearing apparatus reliable parallel is walked in photovoltaic module plate face, upper end box assembly is provided with support wheel, and support wheel rolls in photovoltaic panel side end face, because photovoltaic module is that inclined plane is installed, when deflection appears in the direction of travel of this clearing apparatus, support wheel can play the effect of automatic deviation correction.
Thermal infrared detection system and automatic cleaning device share intelligent control unit 13, thermal infrared is popped one's head in 36, proximity switch 37.Intelligent control unit 13 can be able to set the operating time of this clearing apparatus, when after arrival setting-up time, intelligent control unit 13 starts cleaning works by automatically starting clearing apparatus, after starting working, infrared temperature probe 36 is started working (if photovoltaic group string will increase infrared temperature probe more than 2, the corresponding infrared probe of each photovoltaic group string), photovoltaic panel temperature is scanned.Intelligent control unit 13 is connected with proximity switch 37, by proximity switch 37 home position signal to intelligent control unit 13, just can be calculated the position of abnormal photovoltaic module by position signalling intelligent control unit 13 accurately.Idiographic flow as shown in figure 18.
It should be noted that, the detection system be applied in photovoltaic module fault detect in the application can be applied on the automatic cleaning device of any photovoltaic module, not now due to the concrete structure that above-described embodiment describes.
Embodiment 4
Figure 19 is the method flow diagram of the embodiment of the present application 4, as shown in figure 19, this embodiment offers a kind of detection method be applied in photovoltaic module fault detect, the detection system that the method adopts can be on the automatic cleaning device of the photovoltaic module of any embodiment in above-described embodiment 1 to 3, and this detection method comprises following step S102 to step S106.
Step S102: when automatic cleaning device cleans photovoltaic panel, detects the temperature of photovoltaic panel.
Step S104: the temperature of the photovoltaic panel detected is processed.
Step S106: the temperature after process is sent to master-control room.
In this embodiment, temperature data can be sent to master-control room in conjunction with after the encapsulation process such as the current time data of the geographic position data at photovoltaic panel place, detected temperatures; Also can the temperature detected be judged, when temperature is higher than predetermined temperature, generates an early warning signal and be sent to master-control room; Or the temperature detected is formed daily record class file and is sent to master-control room by interval shorter scheduled time; Or be sent to master-control room by after the temperature data detected and the interval time of every twice detected temperatures and the speed encapsulation process of automatic cleaning device, thus according to the speed of interval time, automatic cleaning device, master-control room can know that each temperature detected is the temperature of which photovoltaic panel.Preferably, this detection method also comprises following step: when detecting the temperature of photovoltaic panel, detects the position of photovoltaic panel; The position of abnormal photovoltaic panel is determined according to the position detected and the temperature detected; And the position of abnormal photovoltaic panel is sent to master-control room.
It should be noted that, said apparatus embodiment belongs to preferred embodiment, and involved unit and module might not be that the application is necessary.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
What provide the application above is a kind ofly applied to detection system in photovoltaic module fault detect and detection method, be described in detail, apply specific case herein to set forth the principle of the application and execution mode, the explanation of above embodiment is just for helping method and the core concept thereof of understanding the application; Meanwhile, for one of ordinary skill in the art, according to the thought of the application, all will change in specific embodiments and applications, in sum, this description should not be construed as the restriction to the application.

Claims (10)

1. one kind is applied to the detection system in photovoltaic module fault detect, it is characterized in that, described detection system is arranged on the automatic cleaning device of photovoltaic module, described automatic cleaning device is used for moving along photovoltaic panel to be cleaned, and in moving process, described photovoltaic panel is cleaned, described detection system comprises:
First temperature detecting unit, for when described automatic cleaning device cleans described photovoltaic panel, detects the temperature of described photovoltaic panel;
Intelligent control unit, is connected with described first temperature detecting unit, for receiving and process the temperature that described first temperature detecting unit detects; And
Wireless communication unit, is connected with described intelligent control unit, for the temperature after described intelligent control unit process is sent to master-control room.
2. the detection system be applied in photovoltaic module fault detect according to claim 1, it is characterized in that, described first temperature detecting unit comprises at least one thermal-infrared scanning device, in the process of described automatic cleaning device movement, to the thermal-infrared scanning that described photovoltaic panel carries out one by one.
3. the detection system be applied in photovoltaic module fault detect according to claim 1, is characterized in that, also comprise:
Position detection unit, for when the first temperature detecting unit detects the temperature of described photovoltaic panel, detects the position of described photovoltaic panel;
Described intelligent control unit is connected with described position detection unit, and the temperature detected with the position detected according to described position detection unit and described first temperature detecting unit determines the position of abnormal photovoltaic panel.
4. the detection system be applied in photovoltaic module fault detect according to claim 3, it is characterized in that, described position detection unit comprises proximity switch or optoelectronic switch, detects the position of described photovoltaic panel for the gap by detecting described photovoltaic panel.
5. the detection system be applied in photovoltaic module fault detect according to claim 1, it is characterized in that, described detection system and described automatic cleaning device share described intelligent control unit, described wireless communication unit and power supply unit, and described power supply unit comprises the photovoltaic electrification component and storage battery that carry.
6. the detection system be applied in photovoltaic module fault detect according to claim 5, is characterized in that, described automatic cleaning device comprises:
Framework, comprises both ends and pars intermedia, and described framework is across when riding on described photovoltaic panel to be cleaned, and described pars intermedia is parallel with described photovoltaic panel to be cleaned;
Walking unit, being arranged on both ends and/or the pars intermedia of described framework, moving for driving described automatic cleaning device along described photovoltaic panel to be cleaned;
Pilot unit, is arranged on the both ends of described framework, for limiting the run trace of described walking unit;
Cleaning unit, is arranged on the pars intermedia of described framework, in the process of described automatic cleaning device movement, cleans described photovoltaic panel to be cleaned;
Driver element, comprises motor and running part, for providing power to described cleaning unit and described walking unit;
Described intelligent control unit is connected with described motor, comprises intelligent control circuit plate, for the start and stop of the described motor of intelligentized control.
7. the detection system be applied in photovoltaic module fault detect according to claim 6, is characterized in that,
Described pilot unit comprises support wheel, when described framework is overall across when riding on described photovoltaic panel, the support wheel being arranged on described framework one end rides over the upper side edge of described photovoltaic panel, the lower side of the support wheel and described photovoltaic panel that are arranged on the described framework other end has predetermined gap, and the end face being arranged on the support wheel at described framework both ends is all parallel with described photovoltaic panel;
Described walking unit comprises driving wheel, wherein, and the fixed support of described driving wheel along described photovoltaic panel, described photovoltaic component frame, described photovoltaic panel and/or the connector walking of described photovoltaic panel,
Described cleaning unit comprises hairbrush, and in the process of described walking unit walking, described hairbrush is attached on described photovoltaic panel,
The running part of described driver element comprises: the first power transmission shaft, is connected with described motor, is set to the mandrel of described hairbrush, rotates for driving described hairbrush; Second driving shaft, is connected with described walking unit, for providing walking power to described walking unit; And transmission component, comprise driving wheel, driven pulley and driving-belt, described driving wheel is connected with described first power transmission shaft, and described driven pulley is connected with described second driving shaft, and described driving wheel drives described driven pulley reverse rotation by described driving-belt.
8. the detection system be applied in photovoltaic module fault detect according to claim 5, is characterized in that, also comprise:
Heating unit, for heating to described storage battery;
Second temperature detecting unit, for the temperature of testing environment temperature and described storage battery,
Wherein, described intelligent control unit is connected with described second temperature detecting unit with described heating unit, for when described ambient temperature can not meet the condition of described battery-operated, control described heating unit to heat to described storage battery, and when the temperature of described storage battery rises to preset temperature, control described heating unit and stop heating, and the photovoltaic electrification component carried described in controlling is to described charge in batteries.
9. one kind is applied to the detection method in photovoltaic module fault detect, it is characterized in that, the detection system that described method adopts is arranged on the automatic cleaning device of photovoltaic module, described automatic cleaning device is used for moving along photovoltaic panel to be cleaned, and in moving process, described photovoltaic panel is cleaned, described detection method comprises:
When described automatic cleaning device cleans described photovoltaic panel, detect the temperature of described photovoltaic panel;
The temperature of the described photovoltaic panel detected is processed; And
Temperature after process is sent to master-control room.
10. the detection method be applied in photovoltaic module fault detect according to claim 9, is characterized in that, described detection method also comprises:
When detecting the temperature of described photovoltaic panel, detect the position of described photovoltaic panel;
The position of abnormal photovoltaic panel is determined according to the position detected and the temperature detected; And
The position of described abnormal photovoltaic panel is sent to described master-control room.
CN201510395539.6A 2015-04-27 2015-07-07 Detection system and detection method for detecting faults of photovoltaic module Pending CN104980107A (en)

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