CN106026906A - Junction box special for solar photovoltaic assembly - Google Patents

Junction box special for solar photovoltaic assembly Download PDF

Info

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
Authority
CN
China
Prior art keywords
lid
box body
junction box
photovoltaic assembly
solar photovoltaic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610635730.8A
Other languages
Chinese (zh)
Other versions
CN106026906B (en
Inventor
张津
汤叶华
孟晓华
施成军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EOPLLY NEW ENERGY TECHNOLOGY Co Ltd
Original Assignee
EOPLLY NEW ENERGY TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by EOPLLY NEW ENERGY TECHNOLOGY Co Ltd filed Critical EOPLLY NEW ENERGY TECHNOLOGY Co Ltd
Priority to CN201610635730.8A priority Critical patent/CN106026906B/en
Publication of CN106026906A publication Critical patent/CN106026906A/en
Application granted granted Critical
Publication of CN106026906B publication Critical patent/CN106026906B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30Electrical components
    • H02S40/34Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Photovoltaic Devices (AREA)

Abstract

The invention 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

A kind of solar photovoltaic assembly special junction box
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).
CN201610635730.8A 2016-08-04 2016-08-04 A kind of solar photovoltaic assembly special junction box Active CN106026906B (en)

Priority Applications (1)

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

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
CN106026906A true CN106026906A (en) 2016-10-12
CN106026906B CN106026906B (en) 2018-07-31

Family

ID=57134160

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610635730.8A Active CN106026906B (en) 2016-08-04 2016-08-04 A kind of solar photovoltaic assembly special junction box

Country Status (1)

Country Link
CN (1) CN106026906B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CN106026906B (en) 2018-07-31

Similar Documents

Publication Publication Date Title
CN102751885A (en) Power converting apparatus and reactor
CN106026906A (en) Junction box special for solar photovoltaic assembly
CN205864365U (en) A kind of solar photovoltaic assembly special junction box
CN106920465A (en) A kind of solar energy direction board
CN203352457U (en) Power module unit of energy storage converter
CN217522445U (en) Photovoltaic power plant monitoring cabinet
CN110430707A (en) A kind of Combined outdoor cabinet
CN210839371U (en) Inverter for automatic access and grid disconnection of photovoltaic power generation system
CN111884569B (en) A high-efficient type photovoltaic power generation device for electric power system
CN212627037U (en) Waterproof bus duct
CN219576994U (en) Photovoltaic system
CN205986763U (en) Lug and use its photovoltaic assembly junction box
CN214227761U (en) Bus duct sealing device
KR20150123651A (en) Hybrid solar panel for solar energy generation device
CN213212840U (en) Safe power distribution box
CN214755020U (en) Heat dissipation mechanism for power distribution control cabinet
CN210273065U (en) High-voltage power distribution cabinet convenient to heat dissipation
CN210580666U (en) Environment-friendly bionics bird-preventing device
CN211557839U (en) Anti-freezing device for water conservancy and hydropower equipment
CN219893287U (en) Solar cell panel capable of preventing wiring short circuit
CN213846025U (en) Transformer substation that ventilation heat dispersion is good
CN213152544U (en) Outdoor power equipment's insulating protector
CN210714416U (en) Intelligent curtain with slow start and slow stop functions
CN110838820A (en) Ventilation heat dissipation type energy storage solar photovoltaic board
CN213988610U (en) Heat dissipation type condenser

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant