CN106026906B - A kind of solar photovoltaic assembly special junction box - Google Patents
A kind of solar photovoltaic assembly special junction box Download PDFInfo
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- CN106026906B CN106026906B CN201610635730.8A CN201610635730A CN106026906B CN 106026906 B CN106026906 B CN 106026906B CN 201610635730 A CN201610635730 A CN 201610635730A CN 106026906 B CN106026906 B CN 106026906B
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- 238000010521 absorption reaction Methods 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 230000001795 light effect Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 15
- 230000017525 heat dissipation Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 230000005389 magnetism Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 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
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000013083 solar photovoltaic technology Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- 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
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- Photovoltaic Devices (AREA)
Abstract
The present invention provides a kind of solar photovoltaic assembly special junction boxes, including box body, control circuit board, box cover, control circuit board is arranged in box body, include MPPT control modules, solar module bonding pad and cable bonding pad in control circuit board, solar module bonding pad and cable bonding pad are separately positioned on the both ends of MPPT modules, box body and box cover correspond to and are provided with connector at solar module bonding pad and cable bonding pad, and solar module bonding pad is connected with external single photovoltaic module.Its advantage is that independent MPPT controls can be carried out to every block assembly, whole efficiency can be greatly improved, high direct voltage, the poor, wooden pail effect of dim light effect etc. that centralized inverter can also be avoided to have.The heat generated when junction box electronic component can work simultaneously is dispersed into box portion outside in time, ensure that electronic component working performance, extends the service life of solar photovoltaic assembly.
Description
Technical field
The present invention relates to solar-photovoltaic technology field more particularly to a kind of solar photovoltaic assembly special junction boxes.
Background technology
Solar energy renewable resource last decade a kind of rapidly develops, and is widely used, by multi-disc solar cell
The photovoltaic module being composed largely is built into photovoltaic generating system, or for being built as constructure screen wall to build up environment-friendly type
It builds.Battery component connection in series-parallel that wherein photovoltaic generating system is made of multiple battery components and the assembly array formed, each
All include concatenated multiple cell pieces in component.And photovoltaic junction box is the solar cell constituted between solar cell module
Connector between square formation and solar charging controller for electric consumption.Traditional photovoltaic inversion mode is by all photovoltaic cells in sun
The lower direct current whole connection in series-parallel generated of light irradiation together, then by an inverter inverse of the DC into AC accesses
Power grid.
Such as application No. is：201320736382.5 Chinese patent disclose a kind of intelligent photovoltaic component terminal box, including
Box body is embedded with miniature MPPT controller in the box body；The miniature MPPT controller includes solar cell control
Device MPPT, DC/DC converter, monitoring and protecting device and communication interface arrangement；The output end of the monitoring and protecting device point
It is not connect with solar-electricity pool controller MPPT and DC/DC converter；The output of the solar-electricity pool controller MPPT
End connection DC/DC converters；The input terminal of the output end connection monitoring and protecting device of DC/DC converters；The communication interface
The output end of device connects monitoring and protecting device；The solar-electricity pool controller MPPT and input terminal connect solar-electricity
Pond plate；The output end of the DC/DC converters is also connected with the header box outside terminal box.The terminal box is by by all sun
Master control is carried out after photovoltaic module confluence, it should be the disadvantage is that, being had differences between the output of various components string, between component string just
Can mutual diversity, output voltage will be limited in one it is lower numerically will produce wooden pail effect, cause the damage of energy
It loses, the difference between component string is bigger, and this energy loss is bigger.In addition it is arranged in the terminal box there are many electronic component,
It will appear the case where heat can not dissipate during the work time, being easy to cause terminal box can not work, and reduce working efficiency.
For another example application No. is：201110378278.9 Chinese patent disclose a kind of photovoltaic terminal box, including
Box body and box cover, box body is interior to be equipped with multiple metal connecting sheets for being connected with the conductive lead wire of photovoltaic module, is connected in metal
On piece is equipped with diode, and diode is connected metal connecting sheet by its lead；Further include that compression spring, insulating boot and insulation are fixed
Frame；The box cover is heat radiating metal lid, and the back side of diode is in direct contact with metal cover to be connected, and compression spring setting is being equipped with two
Direction diode provides the pressure being kept in contact with metal cover under the metal connecting sheet of pole pipe；Insulating boot is inlaid under metal cover
The photovoltaic module conductive lead wire being connected with metal connecting sheet is isolated with metal cover in face；Insulation fixed frame is connected with box plate
Metal connecting sheet is isolated with metal cover and fixes metal connecting sheet and diode.Box cover is heat radiating metal lid in this application,
When the heat in the electronic component course of work being conducted to metal cover by the principle of heat transfer, and then reducing electronic component work
Temperature, which is only applicable to of short duration heat dissipation, can not be suitable for solar photovoltaic assembly special junction box it is long when
Between work.
Invention content
To overcome solar photovoltaic assembly terminal box transfer efficiency existing in the prior art low, heat dissipation effect is bad etc. asks
Topic, the present invention provides a kind of solar photovoltaic assembly special junction boxes.
Specific technical solution is as follows：
A kind of solar photovoltaic assembly special junction box, including box body, control circuit board, box cover, the box cover setting exist
Above box body, the control circuit board is arranged in box body, includes MPPT control modules, solar cell in the control circuit board
Component bonding pad and cable bonding pad, the solar module bonding pad and cable bonding pad are separately positioned on MPPT
The both ends of module, the box body and box cover correspond to and are provided with connection at solar module bonding pad and cable bonding pad
Mouthful, the solar module bonding pad is connected with external single photovoltaic module.
On this basis, the box body and box cover are circle, and the surrounding of the box cover is provided with a circle groove, described recessed
Slot two side is provided with sealing ring, and the cassette upper end is embedded in the sealing ring of groove.
On this basis, the box cover includes outer box cover and interior box cover, and the outer box cover is both provided with sector with interior box cover
Void region, and the fan-shaped hollow section domain of outer box cover and interior box cover is staggered.
On this basis, the outer box cover and interior box cover are provided with 4~8 fan-shaped hollow sections domain.
On this basis, the circle centre position of the outer box cover is provided with hollow out circle, and the interior box cover circle centre position is fixedly installed
Knob column, the knob column pass through hollow out circle to be connected with outer box cover.
On this basis, the hollow out diameter of a circle of the outer box cover is less than the diameter of knob column, and knob column lower end is set
It is equipped with a circle recess, the outer box cover is embedded in the recess of knob column.
On this basis, further include temperature sensor and indicator light, the temperature sensor setting is in box body, the finger
Show that lamp is arranged on box cover, the temperature sensor is connected with indicator light.
On this basis, further include fixing device, the fixing device is fixed at the box body back side.
On this basis, the fixing device includes absorption layer, outer cover and screw rod, and the absorption layer is arranged under outer cover
Side, the screw rod are vertically set on the box body back side and are fixedly connected with the center of circle of outer cover.
On this basis, it is recessed inwardly among the absorption layer.
Compared with prior art, the beneficial effects of the invention are as follows：
1, box body, box cover and control circuit board are disposed as circle by the present invention, both beautiful, and structure is again compact, while this
Invention with every piece of external solar cell module by being connected, you can inversion is carried out to every block assembly, its advantage is that can be right
Independent MPPT controls are carried out per block assembly, can greatly improve whole efficiency, while centralized inverter can also be avoided to have
Some high direct voltages, the poor, wooden pail effect of dim light effect etc..The present invention by inverter directly with single solar cell module collection
At being that each photovoltaic module is independent is equipped with an inverter mould for having AC-DC conversion function and MPPT maximum power point tracking function
The electric energy that single solar cell photovoltaic component is sent out is directly changed into AC energy for AC load by block, i.e. MPPT modules
Using or be transferred to power grid.When there is one piece to be unable to works fine in solar panel, then only this part can all be affected.Other light
Volt plate will all be run in optimum Working so that system overall efficiency higher, generated energy bigger.
2, the surrounding of box body and box cover Homogeneous Circular in the present invention, box cover is provided with a circle groove, the setting of groove two side
There are sealing ring, cassette upper end to be embedded in the sealing ring of groove, which can increase the frictional force of box body and box cover, prevent box
It the sliding of lid and falls, while can also play good sealing function, avoid steam or dust from entering box body and cause electronics first
The damage of part.
3, box cover includes outer box cover and interior box cover in the present invention, and outer box cover is both provided with fan-shaped hollow section domain with interior box cover,
And the fan-shaped hollow section domain of outer box cover and interior box cover is staggered, the circle centre position of outer box cover is provided with hollow out circle, the interior box cover center of circle
Place is fixedly installed knob column, can be overlapped the fan-shaped hollow section domain of inside and outside box cover by knob column, and then directly radiate, knot
Structure is simple, convenient and efficient.In addition the area of heat dissipation region of the invention is adjustable, i.e., by knob column be adjusted interior box cover with it is outer
The registration in both box covers fan-shaped hollow section domain, can be adjusted according to actual needs, and degree of flexibility is high, and applicability is wide, and
It is easy to later maintenance and repair, in operating personnel can directly carry out according to the fan-shaped hollow section domain of both interior box cover and outer box cover
Portion checks, convenient and efficient.
4, in the present invention further include temperature sensor and indicator light, temperature sensor setting is in box body, indicator light setting
On box cover, temperature sensor is connected with indicator light.Adding temperature sensor can be with personal observations' photovoltaic easy to operation
The temperature of component special junction box radiates to terminal box, ensures the normal operation of junction box in time.
5, further include fixing device in the present invention, fixing device is fixed at the box body back side, fixing device be it is round and
Diameter is less than box body.Fixing device includes absorption layer, outer cover and screw rod, and absorption layer is arranged in the lower section of outer cover, and screw rod, which passes through, to be inhaled
The center of circle of attached pad and outer cover is vertically set on the box body back side.It is recessed inwardly among absorption layer.Installation fixation is carried out using absorption layer
Solar photovoltaic assembly special junction box, is fixed without using screw and nut or viscose, is avoided when opening up hole in terminal box
The residual by terminal box damage and viscose, while having saved cost, additionally needed mobile solar photovoltaic assembly Special wiring
When box, conveniently moving.
Description of the drawings
Fig. 1 is a kind of internal structure schematic diagram of solar photovoltaic assembly special junction box box body of the present invention；
Box cover vertical view when Fig. 2 is a kind of solar photovoltaic assembly special junction box radiating state of the invention；
Fig. 3 is a kind of solar photovoltaic assembly special junction box box cover vertical view of the present invention；
Fig. 4 is the connection diagram of box cover and outer box cover in a kind of solar photovoltaic assembly special junction box of the present invention；
Fig. 5 is a kind of structural schematic diagram of solar photovoltaic assembly special junction box fixing device of the present invention.
Specific implementation mode
Below in conjunction with drawings and examples, the present invention will be described in further detail.It should be appreciated that described herein
Specific examples are only used 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 boxes, as illustrated in fig. 1 and 2, including box body 1, control
Circuit board 2, box cover 3, it is preferable that box body 1 is split type with box cover 3, and box cover 3 is arranged above box body 1, and control circuit board 2 is set
It sets in box body 1, it is preferable that control circuit board 2 is round circuit board, and the diameter is slightly less than box body 1, and control circuit board 2 is put
It sets among box body 1, includes MPPT control modules 21, solar module bonding pad 22 and cable in control circuit board 2
Bonding pad 23, MPPT control modules 21, solar module bonding pad 22 and cable bonding pad 23 are welded on control electricity
On road plate 2, solar module bonding pad 22 and cable bonding pad 23 are separately positioned on the both ends of MPPT modules, it is preferable that
The left end in MPPT control modules 21 is arranged in solar module bonding pad 22 by the present invention, and the setting of cable bonding pad 23 is existed
The right end of MPPT control modules 21.Box body 1 and box cover 3 correspond at solar module bonding pad 22 and cable bonding pad 23
It is provided with connector 4, the size of connector 4 is consistent respectively at the connecting line of solar cell module and the diameter of cable,
Preferably, solar module bonding pad 22 is connected with external single photovoltaic module, i.e., every piece of solar module is each provided with
Box body 1, box cover 3 and control circuit board 2 are disposed as circle by one MPPT module, the present invention, both beautiful, and structure is again compact,
The present invention with every piece of external solar cell module by being connected simultaneously, you can inversion is carried out to every block assembly, its advantage is that
Independent MPPT controls can be carried out to every block assembly, whole efficiency can be greatly improved, while centralization can also be avoided inverse
Become high direct voltage, the poor, wooden pail effect of dim light effect etc. that utensil has.The present invention by inverter directly with single solar battery group
Part is integrated, is that each photovoltaic module is individually equipped with an inversion for having AC-DC conversion function and MPPT maximum power point tracking function
The electric energy that single solar cell photovoltaic component is sent out is directly changed into AC energy for exchange by device module, i.e. MPPT modules
Load uses or is transferred to power grid.When there is one piece to be unable to works fine in solar panel, then only this part can all be affected,
He will run photovoltaic panel in optimum Working so that system overall efficiency higher, generated energy bigger.
As shown in Figures 2 and 3, the surrounding of 3 Homogeneous Circular of box body 1 and box cover, box cover 3 is provided with a circle groove 11, groove 11
Two side is provided with sealing ring 12, and 1 upper end of box body is embedded in the sealing ring 12 of groove 11, and in the two side of groove 11, setting is close
Seal 12 so that box body 1 can be directly embedded into box cover 3, can increase the frictional force of box body 1 and box cover 3, prevent box cover 3
It slides and falls, while can also play good sealing function, avoid steam or dust from entering box body 1 and cause electronic component
Damage.Box cover 3 includes outer box cover 322 and interior box cover 311, and outer box cover 322 and interior box cover 311 are circle, and outer box cover 322 is arranged
There are above-mentioned groove 11, the diameter of the interior box cover 311 to be slightly less than outer box cover 322, the interior box cover 311 offsets with groove 11.Such as
Shown in Fig. 2, outer box cover 322 is both provided with fan-shaped hollow section domain 31 with interior box cover 311, and fan-shaped hollow section domain 31 is uniformly distributed outside
The surface of box cover 322 and interior box cover 311, the sector region be used for the heat dissipation of control circuit board 2 at work, outer box cover 322 with
The fan-shaped hollow section domain 31 of interior box cover 311 is staggered, i.e., the lower section in the fan-shaped hollow section domain 31 of outer box cover 322 is interior box cover
311 ontology, the ontology lower section of outer box cover 322 are the fan-shaped hollow section domain 31 of interior box cover 311, the fan-shaped hollow out of interior box cover 311
31 area of region is small compared to the area in the fan-shaped hollow section domain 31 of outer box cover 322, i.e., in box cover 311 non-fan-shaped hollow section domain
It is larger, the fan-shaped hollow section domain 31 of outer box cover 322 can be completed to seal up when without heat dissipation, ensure that terminal box
Leakproofness.Preferably, outer box cover 322 and interior box cover 311 are provided with 4~8 fan-shaped hollow sections domain 31, it is further preferred that this
Interior box cover 311 is provided with 4 fan-shaped hollow sections domain 31 with outer box cover 322 in invention.As shown in figure 4, the circle centre position of outer box cover 322
Be provided with hollow out circle 32, corresponding 311 circle centre position of interior box cover is fixedly installed knob column 33, knob column 33 pass through hollow out circle 32 with
Outer box cover 322 is connected, and the diameter of the hollow out circle 32 of outer box cover 322 is less than the diameter of knob column 33, and 33 lower end of knob column is provided with
One circle recess 331, outer box cover 322 are embedded in the recess 331 of knob column 33.It, can will be outer by manual rotation knob column 33
Box cover 322 is overlapped with the fan-shaped hollow section domain 31 of interior box cover 311, then plays the role of heat dissipation, simple in structure, convenient and efficient.
As shown in figure 3, for solar photovoltaic assembly special junction box box cover in present embodiment, when without heat dissipation, inner box
Lid 311 and the fan-shaped hollow section domain 31 of both outer box covers 322 are misaligned, then box cover 3 is completely enclosed, is illustrated in figure 2 the present invention
A kind of box cover vertical view when solar photovoltaic assembly special junction box radiating state, at this time in 322 liang of box cover 311 and outer box cover
The fan-shaped hollow section domain 31 of person is completely superposed, and box cover 3 can directly radiate.In addition the area of heat dissipation region of the invention can
It adjusts, i.e., the registration in both interior box cover 311 and outer box covers 322 fan-shaped hollow section domain 31 is adjusted by knob column 33, it can be with
It is adjusted according to actual needs, degree of flexibility is high, and applicability is wide, and is easy to later maintenance and repair, and operating personnel can root
Internal check is directly carried out according to the fan-shaped hollow section domain 31 of both interior box cover 311 and outer box cover 322, without dismounting.
Preferably, 331 upper and lower surface of recess of knob column 33 is provided with magnet, the magnetism of upper and lower surface rather, it is preferred to ground,
The upper and lower surface for the outer box cover 322 being embedded in 33 recess 331 of knob column is also equipped with magnet, 322 upper surface of outer box cover
Magnetic, the magnetism and recess of the outer box cover 322 lower surface magnet identical as the magnetism of 331 upper surface magnet of recess of magnet
The magnetism of 331 lower surface magnet is identical.For example, the magnet that 331 upper surface of recess setting polarized is S, lower surface is provided with pole
Property be N magnet, outer box cover 322 upper surface setting polarized be S magnet, lower surface be arranged polarized be N magnet.Outside
The polarity of 322 upper and lower surface magnet of box cover and the magnetism of 33 recess of knob column, 331 upper and lower surface are repelled each other, and rotation can be made to revolve
Non-resistance when button column 33, more rapidly, noise is small and can reduce between outer box cover 322 and interior box cover 311 and knob column 33 for rotation
Friction, extend the service life of photovoltaic module box.
As illustrated in fig. 1 and 2, the invention also includes temperature sensor 24 and indicator light 25, temperature sensor 24 is arranged in box
In body 1, indicator light 25 is arranged on box cover 3, and temperature sensor 24 is connected with indicator light 25, and the temperature sensor 24 is for examining
Survey whether temperature in box body 1 is more than warning temperature, when being less than warning temperature, indicator light 25 shows green light, if being more than warning temperature
Then indicator light 25 shows red light.Adding temperature sensor 24 can be with personal observations' solar photovoltaic assembly Special wiring easy to operation
The temperature of box radiates to terminal box, ensures the normal operation of junction box in time.
As shown in figure 5, the invention also includes fixing device 6, fixing device 6 is fixed at 1 back side of box body.The fixation fills
It includes absorption layer 61, outer cover 62 and screw rod 63 to set 6, and absorption layer 61 is arranged in 62 liang of the lower section of outer cover 62, absorption layer 61 and outer cover
The center of circle of person is connected.Screw rod 63 is vertically set on box body 1 back side and is fixedly connected with the center of circle of outer cover 62.Preferably, it adsorbs
It is recessed inwardly among pad 61, it is further preferred that 61 surrounding of absorption layer is provided with small recess, hence it is evident that enhance the suction of absorption layer
Attached ability.When solar module bonding pad 22 and cable bonding pad 23 are respectively at solar cell module and cable wire bonding
It is good, when needing installation, installation site is determined, by the pressing of fixing device 6 in installed position, directly rotates terminal box body 1,
Box body 1 is rotated around screw rod 63, and screw rod 63 steps into terminal box body 1, while terminal box body 1 and outer cover 62 and absorption
Pad 61 moves closer to, and squeezes the air in outer cover 62 and absorption layer 61, and absorption layer 61 and the air extrusion of installation surface is complete
After extruding is gone out, absorption layer 61 is firmly adsorbed on installation surface, and installation fixed solar photovoltaic component is carried out using absorption layer 61
Special junction box is fixed without using screw and nut or binder, avoid when opening up hole in terminal box by wiring
Box damages and the residual of binder, also saves cost, when additionally needing mobile solar photovoltaic assembly special junction box, also ten
It is convenient to divide.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, be not to be taken as excluding other embodiments, and can be used for various other combinations, modification and
Environment, and can be changed by the above teachings or related fields of technology or knowledge in the scope of the invention is set forth herein
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of the claims.
Claims (6)
1. a kind of solar photovoltaic assembly special junction box, including box body (1), control circuit board (2), box cover (3), the box cover
(3) setting is above box body (1), and control circuit board (2) setting is in box body (1), it is characterised in that：The control circuit
On plate (2) include MPPT control modules (21), solar module bonding pad (22) and cable bonding pad (23), it is described too
Positive battery component bonding pad (22) is connected with external single photovoltaic module, the solar module bonding pad (22) and cable
Bonding pad (23) is separately positioned on the both ends of MPPT modules, the box body (1) and box cover (3) corresponding solar module bonding pad
(22) and at cable bonding pad (23) it is provided with connector (4), the box cover (3) includes outer box cover (322) and interior box cover
(311), the outer box cover (322) is both provided with fan-shaped hollow section domain (31), and fan-shaped hollow section domain (31) with interior box cover (311)
Relative position it is adjustable, the circle centre position of the outer box cover (322) is provided with hollow out circle (32), interior box cover (311) center of circle
Place is fixedly installed knob column (33), and the knob column (33) passes through hollow out circle (32) to be connected with outer box cover (322), the outer box
The diameter for the hollow out circle (32) for covering (322) is less than the diameter of knob column (33), and it is recessed that knob column (33) lower end is provided with a circle
Mouth (331), the outer box cover (322) are embedded in the recess (331) of knob column (33), and the control circuit board (2) further includes
Temperature sensor (24) and indicator light (25), the temperature sensor (24) are arranged in box body (1), and the indicator light (25) sets
It sets on box cover (3), the temperature sensor (24) is connected with indicator light (25).
2. a kind of solar photovoltaic assembly special junction box according to claim 1, it is characterised in that：The box body (1)
It is circle with box cover (3), the surrounding of the outer box cover (322) is provided with a circle groove (11), groove (11) two side
It is provided with sealing ring (12), box body (1) upper end is embedded in the sealing ring (12) of groove (11).
3. a kind of solar photovoltaic assembly special junction box according to claim 2, it is characterised in that：The outer box cover
(322) and interior box cover (311) is provided with 4~8 fan-shaped hollow sections domain (31).
4. a kind of solar photovoltaic assembly special junction box according to claim 1, it is characterised in that：It further include fixed dress
It sets (6), the fixing device (6) is fixed at box body (1) back side.
5. a kind of solar photovoltaic assembly special junction box according to claim 4, it is characterised in that：The fixing device
(6) include absorption layer (61), outer cover (62) and screw rod (63), absorption layer (61) setting is described in the lower section of outer cover (62)
Screw rod (63) is vertically set on box body (1) back side and is fixedly connected with the center of circle of outer cover (62).
6. a kind of solar photovoltaic assembly special junction box according to claim 5, it is characterised in that：The absorption layer
(61) intermediate to be recessed inwardly.
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| Application Number | Priority Date | Filing Date | Title |
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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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610635730.8A CN106026906B (en) | 2016-08-04 | 2016-08-04 | A kind of solar photovoltaic assembly special junction box |
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| Publication Number | Publication Date |
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| CN106026906A CN106026906A (en) | 2016-10-12 |
| CN106026906B true CN106026906B (en) | 2018-07-31 |
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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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| 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 |
| CN102927509B (en) * | 2012-09-23 | 2014-10-29 | 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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