CN112928985B - Low-voltage module solar cell module - Google Patents
Low-voltage module solar cell module Download PDFInfo
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- CN112928985B CN112928985B CN202110097347.2A CN202110097347A CN112928985B CN 112928985 B CN112928985 B CN 112928985B CN 202110097347 A CN202110097347 A CN 202110097347A CN 112928985 B CN112928985 B CN 112928985B
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- 238000012986 modification Methods 0.000 description 3
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- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000006059 cover glass Substances 0.000 description 2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/42—Cooling means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
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- 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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention provides a low-voltage module solar battery pack, which comprises a shell, wherein a solar battery pack is arranged in the shell, a junction box is arranged on the outer side of the shell, a battery pack connecting port and a plurality of load assembly connecting ports are arranged on the junction box, and the battery pack connecting port is electrically connected with the solar battery pack. Therefore, the solar cell module and the manufacturing method thereof can solve the technical problems that most of the existing solar cell modules have fewer output interfaces, cannot meet the requirement of simultaneous use of more loads, and greatly reduce the utilization rate of the solar cell modules.
Description
Technical Field
The invention relates to the technical field of solar cells, in particular to a low-voltage module solar cell module.
Background
Solar cell is a promising new power, have permanence, three big advantages of clean nature and flexibility, solar cell is longe-lived, as long as the sun exists, solar cell just can invest in once and use for a long time, compare with thermal power, nuclear power generation, solar cell can not arouse environmental pollution, solar cell can be big middle-sized and small-sized to lift simultaneously, medium-sized power station big to million kilowatts, little to only supply the solar battery group of a family, this is that other power can't be liked, along with the development of society, solar cell module receives people's more and more attention, the output interface of present most solar cell module is less, can not satisfy the demand that more loads used simultaneously, very big reduction solar cell module's utilization ratio.
Disclosure of Invention
The invention provides a low-voltage module solar cell module, which is used for solving the technical problems that most of the existing solar cell modules have fewer output interfaces, cannot meet the requirement of simultaneous use of more loads and greatly reduces the utilization rate of the solar cell module.
In order to solve the technical problem, the invention discloses a low-voltage module solar battery pack, which comprises a shell, wherein a solar battery pack is arranged in the shell, a junction box is arranged on the outer side of the shell, a battery pack connecting port and a plurality of load assembly connecting ports are arranged on the junction box, and the battery pack connecting port is electrically connected with the solar battery pack.
Preferably, the shell comprises a frame, a back plate and protective glass, the back plate is fixedly connected to one side of the frame, and the protective glass is embedded in the frame and hermetically connected with the frame;
one side of the back plate is fixedly connected with the solar battery pack, and the other side of the back plate is fixedly connected with the junction box.
Preferably, the solar cell group comprises at least two first solar cell columns connected in series with each other, each first solar cell column comprises at least two second solar cell columns connected in parallel with each other, and each second solar cell column comprises at least two cell sheets connected in series with each other;
the solar battery pack further comprises a solar panel positive electrode interface and a solar panel negative electrode interface.
Preferably, the battery pack connection port comprises a battery pack positive electrode interface and a battery pack negative electrode interface, and the battery pack positive electrode interface and the battery pack negative electrode interface are respectively and electrically connected with the solar panel positive electrode interface and the solar panel negative electrode interface;
the battery component connecting ports are electrically connected with the plurality of load component connecting ports through diodes;
the load module comprises a plurality of load module connectors, a plurality of storage batteries and a plurality of load module connectors, wherein the plurality of load module connectors are uniformly arranged, at least one of the plurality of load module connectors is connected with the storage batteries, and the rest of the plurality of load module connectors are used for connecting other loads.
Preferably, the junction box is provided with a heat dissipation device, the heat dissipation device comprises a heat dissipation shell, the heat dissipation shell is provided with a heat inlet and a plurality of heat outlets, the heat inlet is communicated with the junction box, and a heat dissipation executing mechanism is arranged in the heat dissipation device;
the heat dissipation executing mechanism comprises a first cam supporting shaft and a second cam supporting shaft, two ends of the first cam supporting shaft and two ends of the second cam supporting shaft are rotatably connected to the inner wall of the heat dissipation shell, a first cam driving piece and a second cam driving piece are arranged on the first cam supporting shaft and the second cam supporting shaft respectively and are used for driving the first cam supporting shaft and the second cam supporting shaft to rotate respectively, a first cam and a second cam are respectively connected to the first cam supporting shaft and the second cam supporting shaft in a key mode, a first connecting rod and a second connecting rod are hinged to the first cam and the second cam respectively, and a heat dissipation main body is hinged to one end, far away from the first cam and the second cam, of the first connecting rod and one end, far away from the second cam, of the second connecting rod;
the heat dissipation main body comprises a first connecting plate and a second connecting plate, the first connecting plate is hinged with the first connecting rod, the second connecting plate is hinged with the second connecting rod, and the first connecting plate and the second connecting plate are rotatably connected with a plurality of heat dissipation fins through a plurality of connecting rods;
a plurality of dust screens are arranged in the plurality of heat outlets, and a plurality of refrigeration fans are rotatably connected to the dust screens.
Preferably, the shell is provided with an adjusting mechanism, the adjusting mechanism comprises a height adjusting mechanism and an angle adjusting mechanism, and the angle adjusting mechanism is arranged on the height adjusting mechanism;
the height adjusting mechanism comprises a mounting base plate, a plurality of bolt connecting holes and a bearing mounting seat are arranged on the mounting base plate, the bearing mounting seat is positioned at the center of the mounting base plate, a bearing is arranged in the bearing mounting seat, a rotating lead screw is coaxially arranged in the bearing and is rotatably connected with the bearing mounting seat through the bearing, a left-handed thread is arranged at the part of the rotating lead screw positioned at the left side of the bearing, a right-handed thread is arranged at the part of the rotating lead screw positioned at the left side of the bearing, a first nut is connected to the left-handed thread through a thread, a second nut is connected to the right-handed thread through a thread, a lead screw driving motor is arranged on the rotating lead screw and is used for driving the rotating lead screw to rotate, a first height adjusting connecting rod and a second height adjusting connecting rod are hinged on the first nut, a third height adjusting connecting rod and a fourth height adjusting connecting rod are hinged to the second nut, one ends, far away from the first nut and the second nut, of the second height adjusting connecting rod and the fourth height adjusting connecting rod are hinged to the mounting base plate, one ends, far away from the first nut and the second nut, of the first height adjusting connecting rod and the third height adjusting connecting rod are hinged to a height adjusting execution plate, and an angle adjusting mechanism is connected to the height adjusting execution plate;
the angle adjusting mechanism comprises a first adjusting plate and a second adjusting plate, the first adjusting plate is fixedly connected with the height adjusting execution plate, the first adjusting plate is connected with the second adjusting plate through a hinge shaft hinge, a rack groove is formed in the first adjusting plate, an auxiliary transmission rack is arranged in the rack groove, an auxiliary transmission gear is arranged on the auxiliary transmission rack, the auxiliary transmission gear is meshed with the auxiliary transmission rack, an adjusting connecting rod is hinged on the auxiliary transmission gear, a hinge connecting lug is arranged on the second adjusting plate, one end, away from the auxiliary transmission gear, of the adjusting connecting rod is hinged with the hinge connecting lug, the adjusting connecting rod is telescopic, a sliding groove and an angle driving device are formed in the two side faces of the second adjusting plate, and an angle adjusting nut is slidably connected in the sliding groove, the end, located in the sliding groove, of the angle adjusting nut is hinged to a micro air cylinder, the end, away from the angle adjusting nut, of the micro air cylinder is hinged to a first angle adjusting connecting rod, the end, away from the micro air cylinder, of the first angle adjusting connecting rod is hinged to a second angle adjusting connecting rod, the end, away from the first angle adjusting connecting rod, of the second angle adjusting connecting rod is hinged to the side face of the first adjusting plate, and the end, away from the sliding groove, of the angle adjusting nut is connected with the angle driving device;
the angle driving device comprises an angle driving motor, an output shaft of the angle driving motor is connected with an angle adjusting screw rod through a coupler, an angle adjusting nut is sleeved on the angle adjusting screw rod and is in threaded connection with the angle adjusting screw rod.
Preferably, the left side and the right side of the frame of the shell are both provided with a cleaning mechanism, the cleaning mechanism comprises a cleaning driving mechanism, a cleaning locking mechanism and a cleaning executing mechanism, the cleaning driving mechanism is fixedly connected to the inner side of the frame, the cleaning locking mechanism is hinged with the cleaning driving mechanism, and the cleaning executing mechanism is arranged in the cleaning locking mechanism;
the cleaning and driving mechanism comprises two symmetrically arranged connecting tables, one side of each connecting table is fixedly connected with the inner side of the frame, the other side of each connecting table is provided with a rack circulating track, the cross section of each rack circulating track is in a straight notch shape, a plurality of inner meshing teeth are arranged on the inner side of each rack circulating track, a driving gear is arranged in each rack circulating track, the driving gear is meshed with the inner meshing teeth, a cleaning telescopic piece is hinged to the driving gear and can stretch, one end, far away from the driving gear, of the cleaning telescopic piece is hinged to the cleaning and locking mechanism, a track driving motor is arranged on each rack circulating track and used for driving the rack circulating tracks to rotate;
the cleaning executing mechanism comprises a cleaning adjusting rod, a plurality of locking holes are formed in the cleaning adjusting rod, the working end of the cleaning adjusting rod is connected with a cleaning roller, and the cleaning roller is rotatably connected with the working end of the cleaning adjusting rod;
the cleaning locking mechanism comprises a locking structure shell, a first absorbing part is arranged on the locking structure shell, a second absorbing part is arranged on the inner side of the frame, the first absorbing part and the second absorbing part can be mutually absorbed, two cleaning execution grooves which are symmetrically arranged and two cleaning buffer grooves which are symmetrically arranged are arranged in the locking structure shell, cleaning adjusting rods are arranged in the cleaning execution grooves and are slidably connected with the cleaning execution grooves, adjusting rod driving parts are arranged on the cleaning adjusting rods and are used for driving the cleaning adjusting rods to slide along the cleaning execution grooves, the cleaning buffer grooves are of spherical hollow structures, a plurality of elastic buffer balls are arranged in the cleaning buffer grooves, execution tables are connected in the cleaning buffer grooves and comprise two connecting balls which are symmetrically arranged, and the two connecting balls which are symmetrically arranged are respectively connected in the two cleaning buffer grooves, the executive desk is provided with two symmetrical locking grooves, two the locking grooves are internally provided with cleaning buffer parts and locking screws, the locking screws are coaxial with the locking grooves, the locking screws are connected with the executive desk in a rotating mode, the locking screws are provided with screw driving motors, and the screw driving motors are used for driving the locking screws to be opposite to the executive desk in a rotating mode.
Preferably, the method further comprises the following steps:
the illumination intensity sensor is arranged on the shell and used for detecting the illumination intensity of the solar cell module;
the counter is arranged on the shell and used for detecting the discharge times of the solar cell module;
the voltage sensor is arranged on the solar cell module and used for detecting the open-circuit voltage of the solar cell module;
the current sensor is arranged on the solar cell module and used for detecting the short-circuit current of the solar cell module;
the first temperature sensor is arranged on the solar cell module and used for detecting the temperature of the solar cell module before working;
the second temperature sensor is arranged on the solar cell module and used for detecting the temperature of the solar cell module in the working process;
a controller, an alarm, the controller is electrically connected with the light irradiation degree sensor, the counter, the voltage sensor, the current sensor, the first temperature sensor, the second temperature sensor and the alarm, the controller controls the alarm to alarm based on the light irradiation degree sensor, the counter, the voltage sensor, the current sensor, the first temperature sensor and the second temperature sensor, based on the following steps:
the method comprises the following steps: calculating a fill factor of the solar cell module based on the illumination irradiance sensor, the counter, the voltage sensor, the current sensor, and equation (1):
wherein,
is the fill factor of the solar cell module,
for the photoelectric conversion efficiency of the solar cell module,
is a value to be detected by the counter,
is a base-2 logarithm of the number of bits,
is the detection value of the light irradiation degree sensor,
for a predetermined illumination intensity of the solar cell module,
is the maximum of the solar cell moduleThe output power of the power-generating device is output,
is a value detected by the voltage sensor and,
the detected value of the current sensor is obtained;
step two: calculating an actual energy conversion efficiency of the solar cell module based on the first temperature sensor, the second temperature sensor, and equation (2):
wherein,
for the actual energy conversion efficiency of the solar cell module,
is the fill factor of the solar cell module,
is a preset open circuit voltage of the solar cell module,
a preset short-circuit current for the solar cell module,
for a predetermined optical power incident into the solar cell module,
is a detected value of the first temperature sensor,
for environmental purposesThe temperature is set to be in a range of,
is a detected value of the second temperature sensor,
the photoelectric conversion efficiency of the solar cell module;
step three: the controller compares the actual energy conversion efficiency of the solar cell module with the preset energy conversion efficiency of the solar cell module, and if the actual energy conversion efficiency of the solar cell module is smaller than the preset energy conversion efficiency of the solar cell module, the alarm gives an alarm.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the structure of the housing of the present invention.
Fig. 2 is a schematic view of a connection structure of a battery cell according to the present invention.
Fig. 3 is a schematic view of the connection of the solar cell module according to the present invention.
Fig. 4 is a schematic view of the junction box connection of the present invention.
Fig. 5 is a schematic structural diagram of a heat dissipation device according to the present invention.
FIG. 6 is a schematic view of the adjusting mechanism of the present invention.
Fig. 7 is a partially enlarged view of fig. 6.
Fig. 8 is a schematic view of the overall structure of the cleaning mechanism of the present invention.
FIG. 9 is a schematic view of the cleaning driving mechanism of the present invention.
FIG. 10 is a schematic view of the cleaning lock mechanism of the present invention.
In the figure: 1. a housing; 100. a frame; 101. a back plate; 102. protecting glass; 2. a solar cell array; 200. a first set of rows of solar cells; 201. a second set of rows of solar cells; 202. a battery piece; 3. a junction box; 300. a battery pack connection port; 301. a load component connection port; 302. a battery pack positive interface; 303. a battery pack negative interface; 304. a storage battery; 305. a diode; 306. a heat sink; 3060. a heat dissipating housing; 3061. a heat inlet; 3062. a heat outlet; 3063. a heat dissipation actuator; 3064. a first cam supporting shaft; 3065. a second cam supporting shaft; 3066. a first cam; 3067. a second cam; 3068. a first link; 3069. a second link; 3070. a first connecting plate; 3071. a second connecting plate; 3072. a heat sink; 3073. a dust screen; 3074. a refrigeration fan; 4. an adjustment mechanism; 400. a height adjustment mechanism; 4000. connecting holes of bolts; 4001. a bearing mount; 4002. rotating the lead screw; 4003. a bearing; 4004. a first nut; 4005. a first height adjustment link; 4006. a second height adjustment link; 4007. a third height adjustment link; 4008. a fourth height adjustment link; 4009. a height adjustment execution plate; 401. an angle adjusting mechanism; 4010. a first adjusting plate; 4011. a second adjusting plate; 4012. a hinge axis; 4013. an auxiliary drive rack; 4014. an auxiliary transmission gear; 4015. an adjusting connecting rod; 4016. the hinge is connected with the lug; 4017. a sliding groove; 4018. a micro cylinder; 4019. mounting a bottom plate; 402. an angle adjusting nut; 4020. a first angle adjustment link; 4021. a second angle adjusting link; 4022. an angle drive motor; 4023. an angle adjusting screw rod; 4024. a second nut; 5. a cleaning mechanism; 500. a cleaning drive mechanism; 5000. a connecting table; 5001. a rack circulation track; 5002. inner meshing teeth; 5003. a drive gear; 5004. cleaning the telescopic member; 501. a cleaning locking mechanism; 5010. a locking structure housing; 5011. a first suction attachment; 5012. a second adsorption member; 5013. cleaning the execution groove; 5014. cleaning the buffer tank; 5015. an elastic buffer ball; 502. cleaning the actuating mechanism; 5020. cleaning the adjusting rod; 5021. a locking hole; 5022. cleaning the roller; 503. an execution table; 5030. a connecting ball; 5031. a locking groove; 5032. cleaning the buffer member; 5033. and locking the screw.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
Example 1
The embodiment of the invention provides a low-voltage module solar battery assembly, which comprises a shell 1, wherein a solar battery pack 2 is arranged in the shell 1, a junction box 3 is arranged on the outer side of the shell 1, a battery assembly connecting port 300 and a plurality of load assembly connecting ports 301 are arranged on the junction box 3, and the battery assembly connecting port 300 is electrically connected with the solar battery pack 2.
The beneficial effects of the above technical scheme are: sunlight penetrates through the shell 1 to irradiate the solar battery pack 2, the solar battery pack 2 converts light energy into electric energy, the battery pack connecting ports 300 convey the electric energy to the load component connecting ports 301 for use, and the design of the load component connecting ports 301 solves the technical problems that most of solar battery packs are few in output interface, the requirement of simultaneous use of more loads cannot be met, and the utilization rate of the solar battery packs is greatly reduced.
Example 2
On the basis of the above embodiment 1, the housing 1 includes a frame 100, a back plate 101 and a cover glass 102, the back plate 101 is fixedly connected to one side of the frame 100, and the cover glass 102 is embedded in the frame 100 and hermetically connected to the frame 100;
one side of the back plate 101 is fixedly connected with the solar battery pack 2, and the other side of the back plate 101 is fixedly connected with the junction box 3;
the solar cell group 2 comprises at least two first solar cell columns 200 connected in series with each other, each first solar cell column 200 comprises at least two second solar cell columns 201 connected in parallel with each other, each second solar cell column 201 comprises at least two cell sheets 202 connected in series with each other;
the solar battery pack 2 further comprises a solar panel positive electrode interface and a solar panel negative electrode interface;
the battery pack connection port 300 comprises a battery pack positive electrode interface 302 and a battery pack negative electrode interface 303, and the battery pack positive electrode interface 302 and the battery pack negative electrode interface 303 are respectively and electrically connected with the solar panel positive electrode interface and the solar panel negative electrode interface;
the battery module connecting port 300 is electrically connected to the plurality of load module connecting ports 301 through a diode 305;
the plurality of load component connection ports 301 are uniformly arranged, at least one of the plurality of load component connection ports 301 is connected with a storage battery 304, and the rest of the plurality of load component connection ports 301 are used for connecting other loads.
The beneficial effects of the above technical scheme are: the design of frame 100 has made things convenient for right the dismantlement and the maintenance of casing 1, the design of protection glass 102 makes solar array 2 has guaranteed when not influencing illumination intensity solar array 2 does not receive the injury of external environment (wind and rain drenches), has prolonged solar array 2's life, solar array 2's grouping design, for solar array 2's damage, change and maintenance provide convenience, diode 305's design has been avoided the reverse movement of solar module electric current makes the electric current that solar module produced is more stable, battery 304's design has been guaranteed solar module is in the normal use of overcast and rainy day, has improved solar module's utilization ratio.
Example 3
On the basis of the embodiment 1 or 2, the junction box 3 is provided with the heat dissipation device 306, the heat dissipation device 306 comprises a heat dissipation housing 3060, the heat dissipation housing 3060 is provided with a heat inlet 3061 and a plurality of heat outlets 3062, the heat inlet 3061 is communicated with the junction box 3, and the heat dissipation actuator 3063 is arranged in the heat dissipation device 306;
the heat sink actuator 3063 includes a first cam support shaft 3064 and a second cam support shaft 3065, both ends of the first cam support shaft 3064 and the second cam support shaft 3065 are rotatably coupled to an inner wall of the heat-dissipating housing 3060, the first cam support shaft 3064 and the second cam support shaft 3065 are each provided with a first cam driver and a second cam driver, the first and second cam drivers are used to drive the first and second cam support shafts 3064 and 3065, respectively, to rotate, a first cam 3066 and a second cam 3067 are keyed to the first and second cam support shafts 3064 and 3065 respectively, a first link 3068 and a second link 3069 are hinged to the first cam 3066 and the second cam 3067 respectively, the ends of the first link 3068 and the second link 3069 remote from the first cam 3066 and the second cam 3067 are hinged with a heat dissipating body 307;
the heat dissipation main body 307 comprises a first connecting plate 3070 and a second connecting plate 3071, the first connecting plate 3070 is hinged to the first connecting rod 3068, the second connecting plate 3071 is hinged to the second connecting rod 3069, and a plurality of heat dissipation fins 3072 are rotatably connected to the first connecting plate 3070 and the second connecting plate 3071 through a plurality of connecting rods;
a plurality of dust screens 3073 are arranged in the plurality of heat outlets 3062, and a plurality of refrigerating fans 3074 are rotatably connected to the plurality of dust screens 3073.
The working principle of the technical scheme is as follows: when the heat dissipation device 306 works, heat generated by the solar cell module enters the heat dissipation device 306 from the heat inlet 3061, then the first cam driving part and the second cam driving part drive the first cam support shaft 3064 and the second cam support shaft 3065 in opposite directions at the same time, so that the first connecting plate 3070 and the second connecting plate 3071 move leftwards and rightwards respectively under the driving of the first cam 3066 and the second cam 3067, because the first connecting plate 3070 and the second connecting plate 3071 are both rotationally connected with the plurality of heat dissipation fins 3072 through the plurality of connecting rods, the plurality of heat dissipation fins 3072 incline leftwards to increase the contact area between the plurality of heat dissipation fins 3072 and the heat generated by the solar cell module, and the plurality of heat dissipation fins 3072 absorb more heat generated by the solar cell module, under the action of the cooling fans 3074, the heat generated by the solar cell module absorbed by the cooling fins 3072 is cooled and simultaneously discharged out of the heat sink 306 through the heat outlets 3062.
The beneficial effects of the above technical scheme are: the generating efficiency of the solar cell module is in negative correlation with the temperature, the generating efficiency of the solar cell module is improved by the design of the heat dissipation device 306, the heat absorption area of the plurality of heat dissipation fins 3072 is increased by the design of the heat dissipation actuating mechanism 3063, and the heat absorption effect of the plurality of heat dissipation fins 3072 is maximized.
Example 4
On the basis of embodiment 1, an adjusting mechanism 4 is arranged on the housing 1, the adjusting mechanism 4 includes a height adjusting mechanism 400 and an angle adjusting mechanism 401, and the angle adjusting mechanism 401 is arranged on the height adjusting mechanism 400;
the height adjusting mechanism 400 comprises an installation base plate 4019, a plurality of bolt connecting holes 4000 and a bearing installation seat 4001 are arranged on the installation base plate 4019, the bearing installation seat 4001 is located at the center of the installation base plate 4019, a bearing 4003 is arranged in the bearing installation seat 4001, a rotating lead screw 4002 is coaxially installed in the bearing 4003, the rotating lead screw 4002 is rotatably connected with the bearing installation seat 4001 through the bearing 4003, a left-handed thread is arranged at a part of the rotating lead screw 4002 located at the left side of the bearing 4003, a right-handed thread is arranged at a part of the rotating lead screw 4002 located at the left side of the bearing 4003, a first nut 4004 is in threaded connection with the left-handed thread, a second nut 4024 is in threaded connection with the right-handed thread, a lead screw driving motor is arranged on the rotating lead screw 4002 and used for driving the rotating lead screw 4002 to rotate, a first height adjusting connecting rod 4005 and a second height adjusting connecting rod 4006 are hinged on the first nut 4004, a third height adjusting connecting rod 4007 and a fourth height adjusting connecting rod 4008 are hinged to the second nut 4024, one ends, far away from the first nut 4004 and the second nut 4024, of the second height adjusting connecting rod 4006 and the fourth height adjusting connecting rod 4008 are hinged to the mounting base plate 4019, one ends, far away from the first nut 4004 and the second nut 4024, of the first height adjusting connecting rod 4005 and the third height adjusting connecting rod 4007 are hinged to a height adjusting execution plate 4009, and the height adjusting execution plate 4009 is connected with an angle adjusting mechanism 401;
angle adjustment mechanism 401 includes first regulating plate 4010 and second regulating plate 4011, first regulating plate 4010 with board 4009 fixed connection is carried out in the height adjustment, first regulating plate 4010 with second regulating plate 4011 passes through hinge axis 4012 hinged joint, be equipped with the rack groove on first regulating plate 4010, the rack inslot is equipped with supplementary transmission rack 4013, be equipped with supplementary transmission gear 4014 on the supplementary transmission rack 4013, supplementary transmission gear 4014 with supplementary transmission rack 4013 intermeshing, hinged joint has adjusting connecting rod 4015 on the supplementary transmission gear 4014, be equipped with hinge joint ear 4016 on the second regulating plate 4011, adjusting connecting rod 4015 keeps away from supplementary 401transmission gear 4's one end with hinge joint ear 4016 hinged joint, adjusting connecting rod 4015 is scalable, all be equipped with sliding groove 4017 and angle drive device on the second regulating plate 4011 both sides face, an angle adjusting nut 402 is connected in the sliding groove 4017 in a sliding manner, a miniature cylinder 4018 is hinged to one end, located on the sliding groove 4017, of the angle adjusting nut 402, a first angle adjusting connecting rod 4020 is hinged to one end, far away from the angle adjusting nut 402, of the miniature cylinder 4018, a second angle adjusting connecting rod 4021 is hinged to one end, far away from the miniature cylinder 4018, of the first angle adjusting connecting rod 4020, one end, far away from the first angle adjusting connecting rod 4020, of the second angle adjusting connecting rod 4021 is hinged to the side face of the first adjusting plate 4010, and one end, far away from the sliding groove 4017, of the angle adjusting nut 402 is connected with the angle driving device;
the angle driving device comprises an angle driving motor 4022, an output shaft of the angle driving motor 4022 is connected with an angle adjusting screw 4023 through a coupler, an angle adjusting nut 402 is sleeved on the angle adjusting screw 4023, and the angle adjusting nut 402 is in threaded connection with the angle adjusting screw 4023.
The working principle of the technical scheme is as follows: when the adjusting mechanism 4 is used, the adjusting mechanism 4 is installed through the plurality of bolt connecting holes 4000 by bolts, after the adjusting mechanism 4 is installed, when the height of the shell 1 needs to be adjusted, the height adjusting mechanism 400 is started, the screw rod driving motor drives the rotating screw rod 4002 to rotate, the rotating screw rod 4002 rotates to drive the first nut 4004 and the second nut 4024 to respectively move along the rotating screw rod 4002, and the first nut 4004 and the second nut 4024 respectively move along the rotating screw rod 4002 to drive the height adjusting execution plate 4009 to vertically adjust the height of the shell 1;
when the inclination angle of the housing 1 needs to be adjusted, the angle adjusting mechanism 401 is started, the angle driving motor 4022 drives the angle adjusting screw 4023 to rotate, the angle adjusting screw 4023 rotates to enable the angle adjusting nut 402 to move along the sliding groove 4017, the angle adjusting nut 402 moves along the sliding groove 4017 to drive the micro cylinder 4018 to extend and retract, meanwhile, the first angle adjusting connecting rod 4020 and the second angle adjusting connecting rod 4021 rotate, under the combined action of the micro cylinder 4018, the first angle adjusting connecting rod 4020 and the second angle adjusting connecting rod 4021, the angle of the second adjusting plate 4011 changes to drive the auxiliary transmission gear 4014 to move along the auxiliary transmission rack 4013, and in the process, the adjusting connecting rod 4015 automatically extends and retracts to adjust the length, so that the auxiliary transmission gear 4014 and the auxiliary transmission rack 4013 are always engaged with each other, the design of the adjusting connecting rod 4015, the auxiliary transmission gear 4014 and the auxiliary transmission rack 4013 plays a role in locking the angle of the angle adjusting mechanism 401, so that the angle adjustment of the angle adjusting mechanism 401 has higher reliability.
Example 5
On the basis of embodiment 1, cleaning mechanisms 5 are respectively disposed on the left and right sides of the frame 100 of the housing 1, each cleaning mechanism 5 includes a cleaning driving mechanism 500, a cleaning locking mechanism 501 and a cleaning executing mechanism 502, the cleaning driving mechanism 500 is fixedly connected to the inner side of the frame 100, the cleaning locking mechanism 501 is hinged to the cleaning driving mechanism 500, and the cleaning executing mechanism 502 is disposed in the cleaning locking mechanism 501;
the cleaning driving mechanism 500 comprises two symmetrically arranged connecting tables 5000, one side of each connecting table 5000 is fixedly connected with the inner side of the frame 100, the other side of each connecting table 5000 is provided with a rack circulating track 5001, the cross section of each rack circulating track 5001 is in a straight notch shape, the inner side of each rack circulating track 5001 is provided with a plurality of inner engaging teeth 5002, the rack circulating track 5001 is internally provided with a driving gear 5003, the driving gear 5003 is mutually engaged with the inner engaging teeth 5002, the driving gear 5003 is hinged with a cleaning telescopic part 5004, the cleaning telescopic part 5004 is telescopic, one end of the cleaning telescopic part 5004, which is far away from the driving gear 5003, is hinged with the cleaning locking mechanism 501, the rack circulating track 5001 is provided with a track driving motor, and the track driving motor is used for driving the rack circulating track 5001 to rotate;
the cleaning executing mechanism 502 comprises a cleaning adjusting rod 5020, a plurality of locking holes 5021 are arranged on the cleaning adjusting rod 5020, a cleaning roller 5022 is connected to the working end of the cleaning adjusting rod 5020, and the cleaning roller 5022 is rotatably connected with the working end of the cleaning adjusting rod 5020;
the cleaning locking mechanism 501 comprises a locking structure housing 5010, a first absorbing member 5011 is arranged on the locking structure housing 5010, a second absorbing member 5012 is arranged on the inner side of the frame 100, the first absorbing member 5011 and the second absorbing member 5012 can be absorbed with each other, two cleaning execution grooves 5013 and two cleaning buffer grooves 5014 are arranged in the locking structure housing 5010 and are symmetrically arranged, a cleaning adjusting rod 5020 is arranged in the cleaning execution groove 5013, the cleaning adjusting rod 5020 is in sliding connection with the cleaning execution grooves 5013, an adjusting rod driver is arranged on the cleaning adjusting rod 5020 and is used for driving the cleaning adjusting rod 5020 to slide along the cleaning execution grooves 5013, the cleaning buffer grooves 5014 are of spherical hollow structures, a plurality of elastic balls 5015 are arranged in the cleaning buffer grooves 5014, and execution platforms 503 are connected in the cleaning buffer grooves 5014, the executive desk 503 comprises two symmetrically arranged connecting balls 5030, the two symmetrically arranged connecting balls 5030 are respectively connected in the two cleaning buffer slots 5014, two symmetrically arranged locking slots 5031 are arranged on the executive desk 503, a cleaning buffer 5032 and a locking screw 5033 are respectively arranged in the two locking slots 5031, the locking screw 5033 is coaxial with the locking slot 5031, the locking screw 5033 is rotatably connected with the executive desk 503, a screw driving motor is arranged on the locking screw 5033, and the screw driving motor is used for driving the locking screw 5033 to rotate relative to the executive desk 503.
The working principle of the technical scheme is as follows: before the cleaning mechanism 5 is used, the first suction member 5011 is sucked onto the second suction member 5012, when the cleaning mechanism is used, the first suction member 5011 is separated from the second suction member 5012, and at the same time, the track driving motor drives the rack circulation rail 5001 to rotate, the rack circulation rail 5001 rotates to drive the driving gear 5003 to move along the rack circulation rail 5001, the driving gear 5003 moves along the rack circulation rail 5001 to drive the locking structure housing 5010 to move, in the process, the cleaning telescopic member 5004 self-extends and retracts, so that the locking structure housing 5010 can move to a place needing cleaning, when the locking structure housing 5010 is moved in place, the adjusting lever driving member drives the cleaning adjusting lever 5020 to slide along the cleaning execution groove 5013 to move the cleaning roller 5022 to a place needing cleaning, and then, the screw driving motor is used for driving the locking screw 5033 to rotate relative to the execution table 503 to rotate the locking screw 5033 The cleaning adjusting rod 5020 is locked in an extended length in cooperation with the locking hole 5021, and the cleaning drum 5022 rotates to clean a position to be cleaned;
the beneficial effects of the above technical scheme are: the design of the plurality of resilient cushion balls 5015, the cleaning cushion slots 5014 and the connection balls 5030 reduces the impact and bump on the locking structure housing 5010 during operation, prolongs the service life of the locking structure housing 5010 and the components inside the locking structure housing 5010, and the design of the connection balls 5030 as balls increases the contact area with the locking structure housing 5010, so that the connection between the actuator table 503 and the locking structure housing 5010 is more reliable.
Example 6
On the basis of the embodiment 1, the method further comprises the following steps:
the illumination intensity sensor is arranged on the shell 1 and used for detecting the illumination intensity of the solar cell module;
the counter is arranged on the shell 1 and used for detecting the discharge times of the solar cell module;
the voltage sensor is arranged on the solar cell module and used for detecting the open-circuit voltage of the solar cell module;
the current sensor is arranged on the solar cell module and used for detecting the short-circuit current of the solar cell module;
the first temperature sensor is arranged on the solar cell module and used for detecting the temperature of the solar cell module before working;
the second temperature sensor is arranged on the solar cell module and used for detecting the temperature of the solar cell module in the working process;
a controller, an alarm, the controller is electrically connected with the light irradiation degree sensor, the counter, the voltage sensor, the current sensor, the first temperature sensor, the second temperature sensor and the alarm, the controller controls the alarm to alarm based on the light irradiation degree sensor, the counter, the voltage sensor, the current sensor, the first temperature sensor and the second temperature sensor, based on the following steps:
the method comprises the following steps: calculating a fill factor of the solar cell module based on the illumination irradiance sensor, the counter, the voltage sensor, the current sensor, and equation (1):
wherein,
is the fill factor of the solar cell module,
for the photoelectric conversion efficiency of the solar cell module,
is the value detected by the counter and is,
is a base-2 logarithm of the number of bits,
is the detection value of the light irradiation degree sensor,
for a predetermined illumination intensity of the solar cell module,
the maximum output power of the solar cell module,
is a value detected by the voltage sensor and,
the detected value of the current sensor is obtained;
step two: calculating an actual energy conversion efficiency of the solar cell module based on the first temperature sensor, the second temperature sensor, and equation (2):
wherein,
for the actual energy conversion efficiency of the solar cell module,
is the fill factor of the solar cell module,
is a preset open circuit voltage of the solar cell module,
a preset short-circuit current for the solar cell module,
for a predetermined optical power incident into the solar cell module,
is a detected value of the first temperature sensor,
the temperature is preset for the environment and,
is a detected value of the second temperature sensor,
the photoelectric conversion efficiency of the solar cell module;
step three: the controller compares the actual energy conversion efficiency of the solar cell module with the preset energy conversion efficiency of the solar cell module, and if the actual energy conversion efficiency of the solar cell module is smaller than the preset energy conversion efficiency of the solar cell module, the alarm gives an alarm.
The beneficial effects of the above technical scheme are: firstly, calculating a filling factor of the solar cell module based on the illumination intensity sensor, the counter, the voltage sensor, the current sensor and a formula (1), then calculating the actual energy conversion efficiency of the solar cell module based on the first temperature sensor, the second temperature sensor and a formula (2), finally comparing the actual energy conversion efficiency of the solar cell module with the preset energy conversion efficiency of the solar cell module by the controller, if the actual energy conversion efficiency of the solar cell module is smaller than the preset energy conversion efficiency of the solar cell module, alarming by the alarm, calculating the filling factor of the solar cell module, introducing not only the illumination intensity of the solar cell module but also the preset illumination intensity of the solar cell module, the method has the advantages that the situation that the error of the calculation result is large due to damage of the detection element (the illumination irradiance sensor) is avoided, the calculation result is more accurate, the actual energy conversion efficiency of the solar cell module is calculated, the monitoring on the fault of the solar cell module is facilitated, and the solar cell module can be maintained in time when the fault occurs.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A low-voltage module solar battery pack is characterized by comprising a shell (1), wherein a solar battery pack (2) is arranged in the shell (1), a junction box (3) is arranged on the outer side of the shell (1), a battery pack connecting port (300) and a plurality of load assembly connecting ports (301) are arranged on the junction box (3), and the battery pack connecting port (300) is electrically connected with the solar battery pack (2);
a heat dissipation device (306) is arranged on the junction box (3), the heat dissipation device (306) comprises a heat dissipation shell (3060), a heat inlet (3061) and a plurality of heat outlets (3062) are arranged on the heat dissipation shell (3060), the heat inlet (3061) is communicated with the junction box (3), and a heat dissipation actuating mechanism (3063) is arranged in the heat dissipation device (306);
the heat dissipation actuating mechanism (3063) comprises a first cam supporting shaft (3064) and a second cam supporting shaft (3065), the two ends of the first cam supporting shaft (3064) and the two ends of the second cam supporting shaft (3065) are rotatably connected with the inner wall of the heat dissipation shell (3060), the first cam supporting shaft (3064) and the second cam supporting shaft (3065) are respectively provided with a first cam driving piece and a second cam driving piece, the first cam driving piece and the second cam driving piece are respectively used for driving the first cam supporting shaft (3064) and the second cam supporting shaft (3065) to rotate, the first cam supporting shaft (3064) and the second cam supporting shaft (3065) are respectively in key connection with a first cam (3066) and a second cam (3067), the first cam (3066) and the second cam (3067) are respectively hinged with a first connecting rod (3068) and a second connecting rod (3069), the ends of the first link (3068) and the second link (3069) distal to the first cam (3066) and the second cam (3067) are hinged with a heat dissipating body (307);
the heat dissipation main body (307) comprises a first connecting plate (3070) and a second connecting plate (3071), the first connecting plate (3070) is hinged with the first connecting rod (3068), the second connecting plate (3071) is hinged with the second connecting rod (3069), and a plurality of heat dissipation fins (3072) are rotatably connected to the first connecting plate (3070) and the second connecting plate (3071) through a plurality of connecting rods;
a plurality of dustproof nets (3073) are arranged in the plurality of heat outlets (3062), and a plurality of refrigerating fans (3074) are rotatably connected to the plurality of dustproof nets (3073).
2. The low-voltage module solar cell module as claimed in claim 1, wherein the housing (1) comprises a frame (100), a back sheet (101) and a protective glass (102), the back sheet (101) is fixedly connected to one side of the frame (100), and the protective glass (102) is embedded in the frame (100) and hermetically connected with the frame (100);
one side of the back plate (101) is fixedly connected with the solar battery pack (2), and the other side of the back plate (101) is fixedly connected with the junction box (3).
3. The low voltage modular solar cell module of claim 1,
the solar battery pack (2) comprises at least two first solar battery array columns (200) which are connected in series with each other, each first solar battery array column (200) comprises at least two second solar battery array columns (201) which are connected in parallel with each other, and each second solar battery array column (201) comprises at least two battery slices (202) which are connected in series with each other;
the solar battery pack (2) further comprises a solar panel positive electrode interface and a solar panel negative electrode interface.
4. The low voltage modular solar cell module of claim 3,
the battery pack connecting port (300) comprises a battery pack positive electrode interface (302) and a battery pack negative electrode interface (303), and the battery pack positive electrode interface (302) and the battery pack negative electrode interface (303) are respectively and electrically connected with the solar panel positive electrode interface and the solar panel negative electrode interface;
the battery component connecting port (300) is electrically connected with the plurality of load component connecting ports (301) through a diode (305);
the plurality of load component connecting ports (301) are uniformly arranged, at least one of the plurality of load component connecting ports (301) is connected with a storage battery (304), and the rest of the plurality of load component connecting ports (301) are used for connecting other loads.
5. The low voltage modular solar cell module of claim 1,
the shell (1) is provided with an adjusting mechanism (4), the adjusting mechanism (4) comprises a height adjusting mechanism (400) and an angle adjusting mechanism (401), and the angle adjusting mechanism (401) is arranged on the height adjusting mechanism (400);
the height adjusting mechanism (400) comprises an installation base plate (4019), a plurality of bolt connecting holes (4000) and a bearing installation seat (4001) are arranged on the installation base plate (4019), the bearing installation seat (4001) is located at the center of the installation base plate (4019), a bearing (4003) is arranged in the bearing installation seat (4001), a rotating lead screw (4002) is coaxially installed in the bearing (4003), the rotating lead screw (4002) is rotatably connected with the bearing installation seat (4001) through the bearing (4003), the part of the rotating lead screw (4002) located on the left side of the bearing (4003) is provided with a left-handed thread, the part of the rotating lead screw (4002) located on the left side of the bearing (4003) is provided with a right-handed thread, the left-handed thread is connected with a first nut (4004), the right-handed thread is connected with a second nut (4024), and the rotating lead screw (4002) is provided with a lead screw driving motor, the screw rod driving motor is used for driving the rotating screw rod (4002) to rotate, the first nut (4004) is hinged with a first height adjusting connecting rod (4005) and a second height adjusting connecting rod (4006), a third height adjusting connecting rod (4007) and a fourth height adjusting connecting rod (4008) are hinged on the second nut (4024), one ends of the second height adjusting connecting rod (4006) and the fourth height adjusting connecting rod (4008) far away from the first nut (4004) and the second nut (4024) are hinged with the mounting base plate (4019), one ends of the first height adjusting connecting rod (4005) and the third height adjusting connecting rod (4007) far away from the first nut (4004) and the second nut (4024) are hinged with a height adjusting execution plate (4009), the height adjusting execution plate (4009) is connected with an angle adjusting mechanism (401);
angle adjustment mechanism (401) include first regulating plate (4010) and second regulating plate (4011), first regulating plate (4010) with height adjustment executor board (4009) fixed connection, first regulating plate (4010) with second regulating plate (4011) passes through hinge axis (4012) hinged joint, be equipped with the rack groove on first regulating plate (4010), the rack inslot is equipped with supplementary driving rack (4013), be equipped with supplementary drive gear (4014) on supplementary driving rack (4013), supplementary drive gear (4014) with supplementary driving rack (4013) intermeshing, hinged joint has adjusting connecting rod (4015) on supplementary driving gear (4014), be equipped with hinged joint ear (4016) on second regulating plate (4011), adjusting connecting rod (4015) is kept away from the one end of supplementary drive gear (4014) with hinged joint ear (4016) hinged joint, the adjusting connecting rod (4015) is telescopic, a sliding groove (4017) and an angle driving device are arranged on the two side surfaces of the second adjusting plate (4011), an angle adjusting nut (402) is connected in the sliding groove (4017) in a sliding manner, one end, located in the sliding groove (4017), of the angle adjusting nut (402) is hinged with a micro cylinder (4018), one end of the micro cylinder (4018) far away from the angle adjusting nut (402) is hinged with a first angle adjusting connecting rod (4020), one end of the first angle adjusting connecting rod (4020) far away from the micro cylinder (4018) is hinged with a second angle adjusting connecting rod (4021), one end of the second angle adjusting connecting rod (4021) far away from the first angle adjusting connecting rod (4020) is hinged to the side of the first adjusting plate (4010), one end, far away from the sliding groove (4017), of the angle adjusting nut (402) is connected with the angle driving device;
the angle driving device comprises an angle driving motor (4022), an output shaft of the angle driving motor (4022) is connected with an angle adjusting screw rod (4023) through a coupler, an angle adjusting nut (402) is sleeved on the angle adjusting screw rod (4023), and the angle adjusting nut (402) is in threaded connection with the angle adjusting screw rod (4023).
6. The low voltage modular solar cell module of claim 2,
cleaning mechanisms (5) are arranged on the left side and the right side of the frame (100) of the shell (1), each cleaning mechanism (5) comprises a cleaning driving mechanism (500), a cleaning locking mechanism (501) and a cleaning executing mechanism (502), the cleaning driving mechanisms (500) are fixedly connected to the inner side of the frame (100), the cleaning locking mechanisms (501) are hinged to the cleaning driving mechanisms (500), and the cleaning executing mechanisms (502) are arranged in the cleaning locking mechanisms (501);
clean actuating mechanism (500) including two symmetrical arrangement's connection platform (5000), connection platform (5000) one side with frame (100) inboard fixed connection, connection platform (5000) opposite side is equipped with rack circulation track (5001), rack circulation track (5001) cross-section is straight flute kou form, rack circulation track (5001) inboard is equipped with a plurality of inner gearing teeth (5002), be equipped with drive gear (5003) in rack circulation track (5001), drive gear (5003) with a plurality of inner gearing teeth (5002) intermeshing, hinged joint has clean extensible member (5004) on drive gear (5003), clean extensible member (5004) is scalable, clean extensible member (5004) keep away from the one end of drive gear (5003) with clean locking mechanical system (501) hinged joint, be equipped with track driving motor on rack circulation track (5001), the track driving motor is used for driving the rack circulating track (5001) to rotate;
the cleaning executing mechanism (502) comprises a cleaning adjusting rod (5020), a plurality of locking holes (5021) are formed in the cleaning adjusting rod (5020), a cleaning roller (5022) is connected to the working end of the cleaning adjusting rod (5020), and the cleaning roller (5022) is rotatably connected with the working end of the cleaning adjusting rod (5020);
the cleaning locking mechanism (501) comprises a locking structure shell (5010), a first absorbing part (5011) is arranged on the locking structure shell (5010), a second absorbing part (5012) is arranged on the inner side of the frame (100), the first absorbing part (5011) and the second absorbing part (5012) can be absorbed mutually, two symmetrically arranged cleaning execution grooves (5013) and two symmetrically arranged cleaning buffer grooves (5014) are arranged in the locking structure shell (5010), a cleaning adjusting rod (5020) is arranged in the cleaning execution groove (5013), the cleaning adjusting rod (5020) is in sliding connection with the cleaning execution groove (5013), an adjusting rod driving part is arranged on the cleaning adjusting rod (5020), the driving part is used for driving the cleaning adjusting rod (5020) to slide along the cleaning execution groove (5013), and the cleaning buffer groove (5014) is of a spherical hollow structure, be equipped with a plurality of elasticity cushion balls (5015) in clean cushion groove (5014), it carries out platform (503) to connect in clean cushion groove (5014), carry out platform (503) including two symmetrical arrangement's connecting ball (5030), two symmetrical arrangement's connecting ball (5030) are connected two respectively in clean cushion groove (5014), be equipped with two symmetrical arrangement's locking groove (5031) on carrying out platform (503), two all be equipped with clean bolster (5032) and locking screw (5033) in locking groove (5031), locking screw (5033) with locking groove (5031) are coaxial, just locking screw (5033) with carry out platform (503) and rotate the connection, be equipped with screw driving motor on locking screw (5033), screw driving motor is used for driving locking screw (5033) are relative carry out platform (503) rotates.
7. The low voltage modular solar cell assembly of claim 1 further comprising:
the illumination intensity sensor is arranged on the shell (1) and used for detecting the illumination intensity of the solar cell module;
a counter arranged on the housing (1) for detecting the number of discharges of the solar cell module;
the voltage sensor is arranged on the solar cell module and used for detecting the open-circuit voltage of the solar cell module;
the current sensor is arranged on the solar cell module and used for detecting the short-circuit current of the solar cell module;
the first temperature sensor is arranged on the solar cell module and used for detecting the temperature of the solar cell module before working;
the second temperature sensor is arranged on the solar cell module and used for detecting the temperature of the solar cell module in the working process;
a controller, an alarm, the controller is electrically connected with the light irradiation degree sensor, the counter, the voltage sensor, the current sensor, the first temperature sensor, the second temperature sensor and the alarm, the controller controls the alarm to alarm based on the light irradiation degree sensor, the counter, the voltage sensor, the current sensor, the first temperature sensor and the second temperature sensor, based on the following steps:
the method comprises the following steps: calculating a fill factor of the solar cell module based on the illumination irradiance sensor, the counter, the voltage sensor, the current sensor, and equation (1):
wherein,
is the fill factor of the solar cell module,
for the photoelectric conversion efficiency of the solar cell module,
is a value to be detected by the counter,
is a base-2 logarithm of the number of bits,
is the detection value of the light irradiation degree sensor,
for a predetermined illumination intensity of the solar cell module,
is the maximum output power of the solar cell module,
is a value detected by the voltage sensor and,
the detected value of the current sensor is obtained;
step two: calculating an actual energy conversion efficiency of the solar cell module based on the first temperature sensor, the second temperature sensor, and equation (2):
wherein,
for the actual energy conversion efficiency of the solar cell module,
is the fill factor of the solar cell module,
is a preset open circuit voltage of the solar cell module,
a preset short-circuit current for the solar cell module,
for a predetermined optical power incident into the solar cell module,
is a detected value of the first temperature sensor,
is a ringThe temperature is set to be in the preset temperature range,
is a detected value of the second temperature sensor,
the photoelectric conversion efficiency of the solar cell module;
step three: the controller compares the actual energy conversion efficiency of the solar cell module with the preset energy conversion efficiency of the solar cell module, and if the actual energy conversion efficiency of the solar cell module is smaller than the preset energy conversion efficiency of the solar cell module, the alarm gives an alarm.
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| US20110132427A1 (en) * | 2009-11-16 | 2011-06-09 | Kalkanoglu Husnu M | Photovoltaic Arrays, Methods and Kits Therefor |
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| CN205039769U (en) * | 2015-10-30 | 2016-02-17 | 广州奥鹏能源科技有限公司 | Magnetism solar charging ware |
| CN105305955A (en) * | 2015-11-09 | 2016-02-03 | 张家港其辰光伏科技有限公司 | Solar cell module and solar power generation system |
| CN208597048U (en) * | 2018-05-22 | 2019-03-12 | 国家电网公司 | A kind of photovoltaic power generation apparatus improving solar energy conversion ratio |
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