CN106026906A - Junction box special for solar photovoltaic assembly - Google Patents
Junction box special for solar photovoltaic assembly Download PDFInfo
- Publication number
- CN106026906A CN106026906A CN201610635730.8A CN201610635730A CN106026906A CN 106026906 A CN106026906 A CN 106026906A CN 201610635730 A CN201610635730 A CN 201610635730A CN 106026906 A CN106026906 A CN 106026906A
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- Prior art keywords
- lid
- box body
- junction box
- photovoltaic assembly
- solar photovoltaic
- Prior art date
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- 238000010521 absorption reaction Methods 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 230000001795 light effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 241000937378 Everettia interior Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000013083 solar photovoltaic technology Methods 0.000 description 1
Classifications
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The invention provides a junction box special for a solar photovoltaic assembly. The junction box comprises a box body, a control circuit board and a box cover. The control circuit board is arranged in the box body and comprises an MPPT control module, a solar cell assembly connecting area and a cable connecting area. The solar cell assembly connecting area and the cable connecting area are arranged at the two ends of the MPPT control module respectively. The positions, corresponding to the solar cell assembly connecting area and the cable connecting area, of the box body and the box cover are provided with connecting ports. The solar cell assembly connecting area is connected with the external single photovoltaic assembly. The junction box has the advantages that independent MPPT control can be conducted on each assembly, the overall efficiency can be greatly improved, and the DC high voltage, poor weak light effect, bucket effect and the like of a centralized inverter can be avoided; meanwhile, the heat generated when electronic elements in the junction box work can be dissipated outside the box body in time, the working performance of the electronic elements is ensured, and the service life of the solar photovoltaic assembly is prolonged.
Description
Technical field
The present invention relates to solar-photovoltaic technology field, particularly relate to a kind of solar photovoltaic assembly Special wiring
Box.
Background technology
A kind of Renewable resource last decade of solar energy develops rapidly, is widely used, by multi-disc solar energy
The photovoltaic module of battery combination is built into photovoltaic generating system in a large number, or for coming as constructure screen wall
Build up environment-friendly type building.Battery component connection in series-parallel that wherein photovoltaic generating system is made up of multiple battery components and
The assembly array formed, each assembly includes multiple cell pieces of series connection.And photovoltaic junction box is between too
Adapter between solar cell array and solar charging electric control device that sun energy battery component is constituted.Tradition
Photovoltaic inversion mode be by all of photovoltaic cell sunlight irradiate under generate the whole connection in series-parallel of unidirectional current exist
Together, then by an inverter inverse of the DC into AC electrical network is accessed.
Such as Application No.: the Chinese patent of 201320736382.5 discloses a kind of intelligent photovoltaic component rosette,
Including box body, described box body is embedded with miniature MPPT controller;Described miniature MPPT controller includes
Solar-electricity pool controller MPPT, DC/DC transducer, monitoring and protecting device and communication interface arrangement;Described
The outfan of monitoring and protecting device be connected with solar-electricity pool controller MPPT and DC/DC transducer respectively;
The outfan of described solar-electricity pool controller MPPT connects DC/DC transducer;DC/DC transducer defeated
Go out end and connect the input of monitoring and protecting device;The outfan of described communication interface arrangement connects monitoring protection dress
Put;Described solar-electricity pool controller MPPT with input be connected solar panel;Described DC/DC
The outfan of transducer is also connected with the header box outside rosette.This rosette is by by all solar photovoltaic assemblies
Master control is carried out after confluxing, should be disadvantageously, there are differences between the output of each component string, between component string
Will diversity mutually, output voltage will be limited in one relatively low numerically i.e. can produce wooden pail effect,
Causing the loss of energy, the difference between component string is the biggest, and this energy loss is the biggest.Additionally this rosette
In be disposed with multiple electronic component, there will be the situation that heat cannot dissipate in the course of the work, be easily caused and connect
Line box cannot work, and reduces work efficiency.
And for example Application No.: the Chinese patent of 201110378278.9 discloses a kind of photovoltaic rosette,
Including box body and lid, it is provided with multiple metal for being connected with the conductive lead wire of photovoltaic module in box body and is connected
Sheet, is provided with diode on metal connecting sheet, and metal connecting sheet is connected by diode by its lead-in wire;Also wrap
Include stage clip, insulating boot and insulation fixed mount;Described lid is heat radiating metal lid, the back side of diode and metal
Lid directly contact is connected, and stage clip is arranged on direction diode under the metal connecting sheet being provided with diode and provides and gold
Belong to lid and keep the pressure of contact;Insulating boot is inlaid in the photovoltaic being connected below of crown cap with metal connecting sheet
Assembly conductive lead wire is isolated with crown cap;Insulation fixed mount is connected metal connecting sheet and crown cap with box plate
Metal connecting sheet and diode are also fixed by isolation.In this application, lid is heat radiating metal lid, by conduction of heat
Heat in electronic component work process is conducted to crown cap by principle, and then reduces temperature when electronic component works
Degree, this heat dissipating method is only applicable to of short duration heat radiation, it is impossible to be applicable to solar photovoltaic assembly special junction box
Work long hours.
Summary of the invention
For overcoming solar photovoltaic assembly rosette conversion efficiency present in prior art low, radiating effect is not
The problem such as good, the invention provides a kind of solar photovoltaic assembly special junction box.
Concrete technical scheme is as follows:
A kind of solar photovoltaic assembly special junction box, including box body, control circuit plate, lid, described lid
Being arranged on above box body, described control circuit plate is arranged in box body, and described control circuit plate includes MPPT
Control module, solar module bonding pad and cable bonding pad, described solar module bonding pad and
Cable bonding pad is separately positioned on the two ends of MPPT module, described box body solar module corresponding with lid
Being provided with connector at bonding pad and cable bonding pad, described solar module bonding pad is single with outside
Photovoltaic module is connected.
On this basis, described box body and lid are circle, and the surrounding of described lid is provided with a circle groove,
Described groove two side is provided with sealing ring, and described cassette upper end is embedded in the sealing ring of groove.
On this basis, described lid includes that outer lid and interior lid, described outer lid are provided with interior lid
Territory, fan-shaped hollow section, and the territory, fan-shaped hollow section of outer lid and interior lid is crisscross arranged.
On this basis, described outer lid and interior lid are provided with territory, 4~8 fan-shaped hollow sections.
On this basis, the circle centre position of described outer lid is provided with hollow out circle, and described interior lid circle centre position is fixing to be set
Being equipped with knob post, described knob post is connected through hollow out circle with outer lid.
On this basis, the hollow out diameter of a circle of described outer lid is less than the diameter of knob post, under described knob post
End is provided with a circle recess, and described outer lid is embedded in the recess of knob post.
On this basis, also include that temperature sensor and display lamp, described temperature sensor are arranged in box body,
Described display lamp is arranged on lid, and described temperature sensor is connected with display lamp.
On this basis, also include that fixing device, described fixing device are fixedly installed on the box body back side.
On this basis, described fixing device includes absorption layer, enclosing cover and screw rod, outside described absorption layer is arranged on
The lower section of lid, described screw rod is vertically set on the box body back side and fixing with the center of circle of enclosing cover is connected.
On this basis, cave inward in the middle of described absorption layer.
Compared with prior art, the invention has the beneficial effects as follows:
1, box body, lid and control circuit plate are disposed as circle by the present invention, and the most attractive in appearance, structure is the compactest,
The present invention is by being connected with every piece of outside solar module simultaneously, every block assembly can be carried out inversion,
Its advantage is every block assembly can to carry out independent MPPT control, it is possible to whole efficiency is greatly improved, simultaneously
High direct voltage, poor, the wooden pail effect of low light level effect that centralized inverter has etc. can also be avoided.The present invention will
Inverter is the most integrated with single solar module, is individually equipped with one for each photovoltaic module and possesses friendship directly
Stream translation function and the inverter module of MPPT maximum power point tracking function, i.e. MPPT module, by single solar energy
The electric energy that battery photovoltaic module sends is directly changed into AC energy and for AC load or is transferred to electrical network.When
Cell panel there is one piece can not works fine, the most only this part all can be affected.Other photovoltaic panel all will be
Optimum Working is run so that system overall efficiency is higher, and generated energy is bigger.
2, box body and lid Homogeneous Circular in the present invention, the surrounding of lid is provided with a circle groove, groove both sides
Wall is provided with sealing ring, and cassette upper end is embedded in the sealing ring of groove, and this structure can increase box body and lid
Frictional force, prevent the slip of lid and drop, also being able to play good sealing function, it is to avoid steam simultaneously
Or dust enters box body and causes the damage of electronic component.
3, in the present invention, lid includes that outer lid and interior lid, outer lid and interior lid are provided with fan-shaped hollow out
Region, and the territory, fan-shaped hollow section of outer lid and interior lid is crisscross arranged, the circle centre position of outer lid is provided with hollow out
Circle, interior lid circle centre position is fixedly installed knob post, can be by the fan-shaped hollow section of inside and outside lid by knob post
Territory is overlapping, and then directly dispels the heat, and simple in construction is convenient and swift.Additionally the area of the heat dissipation region of the present invention can
Adjust, be i.e. adjusted the registration of interior lid and territory, outer lid fan-shaped hollow section, Ke Yigen by knob post
Being adjusted according to being actually needed, degree of flexibility is high, and the suitability is wide, and is prone to later maintenance and maintenance, operator
Member can directly carry out internal check according to the territory, fan-shaped hollow section of interior lid Yu outer lid, convenient and swift.
4, also including temperature sensor and display lamp in the present invention, temperature sensor is arranged in box body, instruction
Lamp is arranged on lid, and temperature sensor is connected with display lamp.Setting up temperature sensor can be with personnel convenient to operate
Observe the temperature of solar photovoltaic assembly special junction box, dispel the heat to rosette in time, it is ensured that junction box
Properly functioning.
5, also including fixing device in the present invention, fixing device is fixedly installed on the box body back side, and fixing device is
Circular and diameter is less than box body.Fixing device includes absorption layer, enclosing cover and screw rod, and absorption layer is arranged on enclosing cover
Lower section, screw rod is vertically set on the box body back side through the center of circle of absorption layer and enclosing cover.Cave inward in the middle of absorption layer.
Use absorption layer to carry out fixed solar photovoltaic assembly special junction box is installed, screw and nut or viscose need not be used
Fixing, it is to avoid rosette is damaged and the residual of viscose when offering hole in rosette, saved one-tenth simultaneously
This, when additionally needing mobile solar photovoltaic assembly special junction box, conveniently moving.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of the present invention a kind of solar photovoltaic assembly special junction box box body;
Fig. 2 is the lid top view during present invention a kind of solar photovoltaic assembly special junction box radiating state;
Fig. 3 is one solar photovoltaic assembly special junction box lid top view of the present invention;
Fig. 4 is lid and the connection signal of outer lid in the present invention a kind of solar photovoltaic assembly special junction box
Figure;
Fig. 5 is the structural representation of the present invention a kind of solar photovoltaic assembly special junction box fixing device.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that this place
The specific embodiment described, only in order to explain the present invention, is not intended to limit the present invention.
The present invention discloses a kind of solar photovoltaic assembly special junction box, as illustrated in fig. 1 and 2, including box body
1, control circuit plate 2, lid 3, it is preferable that box body 1 is split type with lid 3, and lid 3 is arranged on box
Above body 1, control circuit plate 2 is arranged in box body 1, it is preferable that control circuit plate 2 is circular circuit board,
And this diameter is slightly less than box body 1, control circuit plate 2 is placed in the middle of box body 1, and control circuit plate 2 includes
MPPT control module 21, solar module bonding pad 22 and cable bonding pad 23, MPPT controls mould
Block 21, solar module bonding pad 22 and cable bonding pad 23 are all welded on control circuit plate 2,
Solar module bonding pad 22 and cable bonding pad 23 are separately positioned on the two ends of MPPT module, preferably
Ground, solar module bonding pad 22 is arranged on the left end of MPPT control module 21 by the present invention, by cable
Line bonding pad 23 is arranged on the right-hand member of MPPT control module 21.Box body 1 and the corresponding solar panel of lid 3
Being provided with connector 4 at part bonding pad 22 and cable bonding pad 23, the size of connector 4 is respectively at too
The connecting line of sun energy battery component is consistent with the diameter of cable, it is preferable that solar module bonding pad
22 photovoltaic modulies single with outside are connected, and i.e. every piece solar module is each provided with a MPPT module, this
Box body 1, lid 3 and control circuit plate 2 are disposed as circle by invention, and the most attractive in appearance, structure is the compactest, with
Time the present invention by being connected with every piece of outside solar module, every block assembly can be carried out inversion, its
Advantage is every block assembly can to carry out independent MPPT control, it is possible to whole efficiency is greatly improved, the most also
High direct voltage, poor, the wooden pail effect of low light level effect that centralized inverter has etc. can be avoided.The present invention is by inverse
Become device the most integrated with single solar module, be individually equipped with one for each photovoltaic module and possess alternating current-direct current
Translation function and the inverter module of MPPT maximum power point tracking function, i.e. MPPT module, by single solar-electricity
The electric energy that pond photovoltaic module sends is directly changed into AC energy and for AC load or is transferred to electrical network.Work as electricity
Having one piece can not works fine, the most only this part all can be affected in the plate of pond, other photovoltaic panel all will be
Good duty is run so that system overall efficiency is higher, and generated energy is bigger.
As shown in Figures 2 and 3, box body 1 and lid 3 Homogeneous Circular, it is recessed that the surrounding of lid 3 is provided with a circle
Groove 11, groove 11 two side is provided with sealing ring 12, and box body 1 upper end is embedded in the sealing ring 12 of groove 11
In, sealing ring 12 is set in the two side of groove 11 so that box body 1 can be directly embedded in lid 3, energy
Enough increase the frictional force of box body 1 and lid 3, prevent the slip of lid 3 and drop, also being able to play very simultaneously
Good sealing function, it is to avoid steam or dust enter box body 1 and cause the damage of electronic component.Outside lid 3 includes
Lid 322 and interior lid 311, outer lid 322 and interior lid 311 be circle, and outer lid 322 is provided with
Above-mentioned groove 11, the diameter of described interior lid 311 is slightly less than outer lid 322, described interior lid 311 and groove
11 offset.As in figure 2 it is shown, outer lid 322 is provided with territory, fan-shaped hollow section 31 with interior lid 311, fan
Shape void region 31 is uniformly distributed lid 322 and the surface of interior lid 311 outside, and this sector region is used for controlling
Circuit board 2 processed heat radiation operationally, outer lid 322 interlocks with the territory, fan-shaped hollow section 31 of interior lid 311
Arranging, the lower section in the territory, fan-shaped hollow section 31 of outer lid 322 is the body of interior lid 311, outer lid 322
Body below be the territory, fan-shaped hollow section 31 of interior lid 311,31, the territory, fan-shaped hollow section of interior lid 311
The area in the long-pending territory, fan-shaped hollow section 31 comparing to outer lid 322 is little, the non-fan-shaped hollow out of i.e. interior lid 311
Region is relatively big, can complete to seal up by the territory, fan-shaped hollow section 31 of outer lid 322 need not dispelling the heat when,
Ensure that the sealing of rosette.Preferably, outer lid 322 and interior lid 311 are provided with 4~8 sectors and engrave
Dummy section 31, it is further preferred that lid 311 and outer lid 322 are provided with 4 sectors in the present invention
Void region 31.As shown in Figure 4, the circle centre position of outer lid 322 is provided with hollow out circle 32, corresponding inner box
Covering 311 circle centre positions and be fixedly installed knob post 33, knob post 33 is through hollow out circle 32 and outer lid 322 phase
Even, the diameter of the hollow out circle 32 of outer lid 322 is less than the diameter of knob post 33, and knob post 33 lower end is arranged
A circle recess 331, outer lid 322 is had to be embedded in the recess 331 of knob post 33.Manually rotate rotation
Button post 33, can overlap the territory, fan-shaped hollow section 31 of outer lid 322 with interior lid 311, then play scattered
The effect of heat, simple in construction, convenient and swift.
As it is shown on figure 3, be solar photovoltaic assembly special junction box lid in present embodiment, when need not dispel the heat,
Interior lid 311 is misaligned with the territory, fan-shaped hollow section 31 of outer both lids 322, then lid 3 completely encloses,
It is illustrated in figure 2 the lid top view during present invention a kind of solar photovoltaic assembly special junction box radiating state,
Interior lid 311 is completely superposed with the territory, fan-shaped hollow section 31 of outer both lids 322, and lid 3 can be straight
Tap into row heat radiation.Additionally the area of the heat dissipation region of the present invention is adjustable, in being i.e. adjusted by knob post 33
Lid 311 and the registration in territory, outer both lids 322 fan-shaped hollow section 31, can be carried out according to actual needs
Regulation, degree of flexibility is high, and the suitability is wide, and is prone to later maintenance and maintenance, and operator can be according to inner box
Lid 311 directly carries out internal check with the territory, fan-shaped hollow section 31 of outer both lids 322, need not dismantle.
Preferably, recess 331 upper and lower surface of knob post 33 is provided with Magnet, and the magnetic of upper and lower surface is contrary,
Preferably, the upper and lower surface being embedded in the outer lid 322 in knob post 33 recess 331 is also equipped with Magnet,
The magnetic of described outer lid 322 upper surface Magnet is identical with the magnetic of recess 331 upper surface Magnet, described outer box
The magnetic covering 322 lower surface Magnet is identical with the magnetic of recess 331 lower surface Magnet.Such as, recess 331
Upper surface is provided with the Magnet that polarity is S, and lower surface is provided with the Magnet that polarity is N, outer lid 322 upper
Surface configuration polarized is the Magnet of S, and lower surface is provided with the Magnet that polarity is N.Following table on outer lid 322
The magnetic of the polarity of face Magnet and knob post 33 recess 331 upper and lower surface is all repelled each other, so that rotary knob
Non-resistance during post 33, rotates more rapid, and noise is little and can reduce outer lid 322 and interior lid 311 and rotation
Friction between button post 33, extends the service life of photovoltaic module box.
As illustrated in fig. 1 and 2, present invention additionally comprises temperature sensor 24 and display lamp 25, temperature sensor 24
Being arranged in box body 1, display lamp 25 is arranged on lid 3, and temperature sensor 24 is connected with display lamp 25,
Described temperature sensor 24 is used for detecting whether temperature in box body 1 exceedes warning temperature, during less than warning temperature,
Display lamp 25 shows green light, if exceeding warning temperature, display lamp 25 shows red light.Set up temperature sensor
24 can dissipate to rosette in time with the temperature of personal observations's solar photovoltaic assembly special junction box convenient to operate
Heat, it is ensured that junction box properly functioning.
As it is shown in figure 5, present invention additionally comprises fixing device 6, fixing device 6 is fixedly installed on box body 1 back side.
This fixing device 6 includes absorption layer 61, enclosing cover 62 and screw rod 63, and absorption layer 61 is arranged on enclosing cover 62 times
Side, absorption layer 61 is connected with the center of circle of both enclosing covers 62.Screw rod 63 be vertically set on box body 1 back side and with
The fixing connection in the center of circle of enclosing cover 62.Preferably, cave inward in the middle of absorption layer 61, it is further preferred that
Absorption layer 61 surrounding is provided with little recess, hence it is evident that enhance the absorbability of absorption layer.Work as solar panel
Part bonding pad 22 is welded respectively at solar module and cable with cable bonding pad 23, needs peace
During dress, determine installation site, fixing device 6 is pressed against installed position, directly rotate terminal box body
1, box body 1 rotates around screw rod 63, and screw rod 63 steps in terminal box body 1, rosette box simultaneously
Body 1 moves closer to enclosing cover 62 and absorption layer 61, the air in extruding enclosing cover 62 and absorption layer 61, will inhale
After attached pad 61 and the air extrusion installing surface extrude away completely, absorption layer 61 firmly adsorbs is installing surface,
Use absorption layer 61 carry out install fixed solar photovoltaic assembly special junction box, need not use screw and nut or
Binding agent is fixed, it is to avoid rosette being damaged and the residual of binding agent when offering hole in rosette,
Also save cost, when additionally needing mobile solar photovoltaic assembly special junction box, the most very convenient.
Described above illustrate and describes the preferred embodiments of the present invention, as previously mentioned, it should be understood that the present invention is also
Be not limited to form disclosed herein, be not to be taken as the eliminating to other embodiments, and can be used for various its
He combines, revises and environment, and can be in invention contemplated scope described herein, by above-mentioned teaching or relevant
Technology or the knowledge in field are modified.And the change that those skilled in the art are carried out and change are without departing from the present invention's
Spirit and scope, the most all should be in the protection domain of claims of the present invention.
Claims (10)
1. a solar photovoltaic assembly special junction box, including box body (1), control circuit plate (2), lid (3),
It is characterized in that: described lid (3) is arranged on box body (1) top, described control circuit plate (2) is arranged
In box body (1), described control circuit plate (2) includes MPPT control module (21), solar panel
Part bonding pad (22) and cable bonding pad (23), described solar module bonding pad (22) and electricity
It is right that cable bonding pad (23) is separately positioned on the two ends of MPPT module, described box body (1) and lid (3)
Solar module bonding pad (22) and cable bonding pad (23) place is answered to be provided with connector (4), institute
State solar module bonding pad (22) photovoltaic module single with outside to be connected.
A kind of solar photovoltaic assembly special junction box the most according to claim 1, it is characterised in that: described
Box body (1) and lid (3) are circle, and the surrounding of described lid (3) is provided with a circle groove (11),
Described groove (11) two side is provided with sealing ring (12), and described box body (1) upper end is embedded in groove (11)
Sealing ring (12) in.
A kind of solar photovoltaic assembly special junction box the most according to claim 2, it is characterised in that: described
Lid (3) includes outer lid (322) and interior lid (311), described outer lid (322) and interior lid (311)
It is provided with territory, fan-shaped hollow section (31), and the fan-shaped hollow section of outer lid (322) and interior lid (311)
Territory (31) is crisscross arranged.
A kind of solar photovoltaic assembly special junction box the most according to claim 3, it is characterised in that: described
Outer lid (322) and interior lid (311) are provided with territory, 4~8 fan-shaped hollow sections (31).
A kind of solar photovoltaic assembly special junction box the most according to claim 4, it is characterised in that: described
The circle centre position of outer lid (322) is provided with hollow out circle (32), and described interior lid (311) circle centre position is fixing to be set
Being equipped with knob post (33), described knob post (33) is connected through hollow out circle (32) with outer lid (322).
A kind of solar photovoltaic assembly special junction box the most according to claim 5, it is characterised in that: described
The diameter of hollow out circle (32) of outer lid (322) is less than the diameter of knob post (33), described knob post (33)
Lower end is provided with a circle recess (331), and described outer lid (322) is embedded in the recess (331) of knob post (33)
In.
A kind of solar photovoltaic assembly special junction box the most according to claim 1, it is characterised in that: also wrap
Including temperature sensor (24) and display lamp (25), described temperature sensor (24) is arranged in box body (1),
Described display lamp (25) is arranged on lid (3), described temperature sensor (24) and display lamp (25)
It is connected.
A kind of solar photovoltaic assembly special junction box the most according to claim 1, it is characterised in that: also wrap
Including fixing device (6), described fixing device (6) is fixedly installed on box body (1) back side.
A kind of solar photovoltaic assembly special junction box the most according to claim 8, it is characterised in that: described
Fixing device (6) includes absorption layer (61), enclosing cover (62) and screw rod (63), described absorption layer (61)
Being arranged on the lower section of enclosing cover (62), described screw rod (63) is vertically set on box body (1) back side and enclosing cover
(62) the center of circle is fixing to be connected.
A kind of solar photovoltaic assembly special junction box the most according to claim 9, it is characterised in that: described
Cave inward in the middle of absorption layer (61).
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CN201610635730.8A CN106026906B (en) | 2016-08-04 | 2016-08-04 | A kind of solar photovoltaic assembly special junction box |
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CN201610635730.8A CN106026906B (en) | 2016-08-04 | 2016-08-04 | A kind of solar photovoltaic assembly special junction box |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113938099A (en) * | 2021-09-15 | 2022-01-14 | 中节能太阳能科技(镇江)有限公司 | Photovoltaic terminal box with hydrophobic and heat dissipation function |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101924499A (en) * | 2010-09-10 | 2010-12-22 | 苏州快可光伏电子有限公司 | Photovoltaic junction box |
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CN203590148U (en) * | 2013-11-20 | 2014-05-07 | 常州新智源电子科技有限公司 | Intelligent solar photovoltaic module junction box |
CN205378951U (en) * | 2015-12-28 | 2016-07-13 | 北京立开源科技有限公司 | Photovoltaic power generation component and photovoltaic power generation sunshade instrument |
CN205864365U (en) * | 2016-08-04 | 2017-01-04 | 欧贝黎新能源科技股份有限公司 | A kind of solar photovoltaic assembly special junction box |
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CN101924499A (en) * | 2010-09-10 | 2010-12-22 | 苏州快可光伏电子有限公司 | Photovoltaic junction box |
CN102927509A (en) * | 2012-09-23 | 2013-02-13 | 广东宏泰照明科技有限公司 | Wall-mounted lamp |
CN203590148U (en) * | 2013-11-20 | 2014-05-07 | 常州新智源电子科技有限公司 | Intelligent solar photovoltaic module junction box |
CN205378951U (en) * | 2015-12-28 | 2016-07-13 | 北京立开源科技有限公司 | Photovoltaic power generation component and photovoltaic power generation sunshade instrument |
CN205864365U (en) * | 2016-08-04 | 2017-01-04 | 欧贝黎新能源科技股份有限公司 | A kind of solar photovoltaic assembly special junction box |
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CN113938099A (en) * | 2021-09-15 | 2022-01-14 | 中节能太阳能科技(镇江)有限公司 | Photovoltaic terminal box with hydrophobic and heat dissipation function |
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