CN115085663A - Integrated intelligent solar junction box - Google Patents

Integrated intelligent solar junction box Download PDF

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Publication number
CN115085663A
CN115085663A CN202210850364.3A CN202210850364A CN115085663A CN 115085663 A CN115085663 A CN 115085663A CN 202210850364 A CN202210850364 A CN 202210850364A CN 115085663 A CN115085663 A CN 115085663A
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CN
China
Prior art keywords
box body
space
plate
junction box
solar junction
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Granted
Application number
CN202210850364.3A
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Chinese (zh)
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CN115085663B (en
Inventor
卢杭杰
徐万华
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Zhejiang Minghe New Energy Technology Co ltd
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Ningbo Minghe New Energy Technology Co ltd
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Priority to CN202210850364.3A priority Critical patent/CN115085663B/en
Publication of CN115085663A publication Critical patent/CN115085663A/en
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Publication of CN115085663B publication Critical patent/CN115085663B/en
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    • 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/03Cooling
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/08Distribution boxes; Connection or junction boxes
    • H02G3/081Bases, casings or covers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/08Distribution boxes; Connection or junction boxes
    • H02G3/088Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/08Distribution boxes; Connection or junction boxes
    • H02G3/14Fastening of cover or lid to box
    • 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
    • H02S40/345Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes with cooling means associated with the electrical connection means, e.g. cooling means associated with or applied to the junction box
    • 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

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

The invention relates to the technical field of photovoltaic junction boxes and discloses an integrated intelligent solar junction box which comprises a box body, wherein a fixed square ring is arranged in the box body, a space division plate made of a metal cylinder or aluminum alloy is assembled on the fixed square ring through a flexible rubber pipe, the space division plate divides the inner space of the box body into an inner protection space and an outer protection space, and the inner protection space is used for accommodating metal sheets and electrical elements in the box body. This integral type intelligence solar junction box, compared with traditional solar junction box, this terminal box is waterproof performance not only good, and need not seal glue to internal circuit, is convenient for to internal circuit's maintenance, does not repel water when waterproof, and the change round clock of utilization that can be intelligent, its inside water that can inhale when the temperature of gas is low at night, and this part water can also discharge when its inside temperature is higher, plays the radiating effect of heat absorption.

Description

Integrated intelligent solar junction box
Technical Field
The invention relates to the technical field of photovoltaic junction boxes, in particular to an integrated intelligent solar junction box.
Background
The junction box of the solar cell module is very important in the composition of the solar cell module, and mainly plays a role in connecting electric power generated by the solar cell with an external circuit. The junction box is adhered to the back plate of the assembly through silica gel, the outgoing lines in the assembly are connected together through the internal lines in the junction box, and the internal lines are connected with the external cables to enable the assembly to be conducted with the external cables.
Because this kind of terminal box uses externally usually, therefore the terminal box need carry out water repellent in the terminal box, prevent that inside short circuit from appearing, it is the method that adopts whole glue of terminal box internal circuit to seal to have now much, this kind of mode waterproof performance is good, but unable secondary maintenance, the circuit goes out problem intelligence and changes, meanwhile, when terminal box internal circuit normally works, the local resistance that its inside wire is connected with the sheetmetal is great can the heat production, and also need external good sunshine environment during the photovoltaic board work, the heat production of sunshine and the work heat production of the inside electronic components of terminal box all can reduce the life of terminal box, its heat dissipation of current terminal box only relies on inside fin, the radiating effect is not ideal.
Disclosure of Invention
The invention provides an integrated intelligent solar junction box which has the beneficial effects of effective water resistance and/or intelligent heat dissipation and is promoted to solve one of the problems mentioned in the background technology.
The invention provides the following technical scheme: an integrated intelligent solar junction box comprises a box body, wherein a fixed square ring is arranged in the box body, a space division plate made of a metal cylinder or aluminum alloy is assembled on the fixed square ring through a flexible rubber pipe, and the space division plate divides the inner space of the box body into an inner protection space and an outer protection space;
the inner protection space is used for accommodating the metal sheet and the electrical appliance element in the box body;
a top sealing cover is detachably arranged at the opening at the top of the box body, a first one-way valve structure used for one-way outward protection space internal circulation is arranged on the top sealing cover, and the first one-way valve structure is positioned above the space partition plate;
the box body is further provided with a second one-way valve structure used for one-way circulation to the outside of the box body, and a circulation port of the second one-way valve structure is flush with the bottom of the box body.
As an alternative of the integrated intelligent solar junction box of the present invention, wherein: the fixed square ring is detachably connected with a movable square ring through an assembling bolt;
the top of the fixed square ring is bonded with a flexible rubber pipe, and the bottom of the flexible rubber pipe is bonded at the bottom of the space partition plate.
As an alternative of the integrated intelligent solar junction box of the present invention, wherein: the space division plate is provided with a first protection surrounding edge for covering a gap between the space division plate and the movable square ring.
As an alternative of the integrated intelligent solar junction box of the present invention, wherein: and a second protective surrounding edge is arranged on the movable square ring and used for covering a gap between the fixed square ring and the movable square ring.
As an alternative of the integrated intelligent solar junction box of the present invention, wherein: the top sealing cover is also fixedly provided with a sealing cover gathering plate, and the sealing cover gathering plate is provided with a gathering inclined plane used for gathering water towards the first one-way valve structure.
As an alternative of the integrated intelligent solar junction box of the present invention, wherein: the first one-way valve structure comprises a second taper groove arranged on the seal cover gathering plate, and the second taper groove is communicated with the accommodating groove of the top seal cover;
the connecting seat is connected to the seal cover gathering plate through elastic pieces in an elastic mode, a second rubber plug is installed at the top of the connecting seat, and a second plug inclined plane attached to the wall face of the second taper groove is formed in the second rubber plug.
As an alternative of the integrated intelligent solar junction box of the present invention, wherein: the second one-way valve structure comprises a first conical groove which is arranged on the box body, and a first rubber plug is assembled in the first conical groove;
a first plug inclined surface which is abutted against the first conical groove is arranged on the first rubber plug;
and, be equipped with the crack on the first rubber buffer, cracked one end extends to the outside of box body, and cracked other end passes through the inner chamber intercommunication of crack groove and box body.
As an alternative of the integrated intelligent solar junction box of the present invention, wherein: the top of the box body is also connected with a movable connecting block through a spring, a top plate of the top sealing cover is provided with a limit baffle plate for limiting the movable connecting block, the movable connecting block is positioned in a space formed by the limit baffle plate and a side plate of the top sealing cover, and the movable connecting block is in threaded connection with a sealing cover bolt penetrating through the top sealing cover;
a side plate of the box body is provided with a vent hole communicated with the outer protection space, and the side plate of the top sealing cover and the vent hole form a plug;
the space partition plate is provided with a heat-conducting plate, and the top of the heat-conducting plate is used for abutting against the top sealing cover.
As an alternative of the integrated intelligent solar junction box of the present invention, wherein: and the space division plate is also provided with an accommodating surrounding edge for water gathering.
As an alternative of the integrated intelligent solar junction box of the present invention, wherein: and the box body and the top sealing cover are also provided with wind gathering plates for inducing wind to the ventilation holes.
The invention has the following beneficial effects:
1. this integral type intelligence solar junction box, compared with traditional solar junction box, this terminal box is waterproof performance not only good, and need not seal glue to internal circuit, is convenient for to internal circuit's maintenance, does not repel water when waterproof, and the change round clock of utilization that can be intelligent, its inside water that can inhale when the temperature of gas is low at night, and this part water can also discharge when its inside temperature is higher, plays the radiating effect of heat absorption.
2. This integral type intelligence solar junction box, when the inside atmospheric pressure grow of box body, the space division board of interior protection space top can be continuous rises, and the heat-conducting plate makes progress jack-up with the top closing cap to the curb plate of top closing cap will no longer form the shutoff to the ventilation hole, and external wind can be got into by the ventilation hole, thereby takes away the heat of box body inner space, has certain cooling effect.
3. This integral type intelligence solar junction box, the outline department assembly of space division board holds the surrounding edge, holds the surrounding edge and forms a top with the cooperation of space division board has open-ended container for hold the water that falls on the space division board by first check valve structure, when the ventilation hole is opened, wind blows heat guide plate, space division board and these waters, can improve the radiating efficiency of box body inside by the bigger degree, improves box body internal circuit and electrical components's life.
Drawings
Fig. 1 is a schematic view of the internal structure of the junction box of the present invention.
Fig. 2 is a schematic view of an internal cut-away structure of a junction box of the present invention.
Fig. 3 is an enlarged view of the structure of the present invention at a.
Fig. 4 is an enlarged schematic view of the structure at B of the present invention.
Fig. 5 is an enlarged view of the structure of the present invention C.
Fig. 6 is a schematic view showing an internal cut-away structure of another junction box of the present invention.
Fig. 7 is an enlarged view of the structure at D of the present invention.
In the figure: 1. a box body, 2, a metal sheet, 3, a clamping groove, 4, a through groove, 5, a diode, 6, an inner protection space, 7, an outer protection space, 8, a capping bolt, 9, a capping gathering plate, 10, a space separating plate, 11, a flexible rubber tube, 12, a gathering inclined surface, 13, a capping sealing gasket, 14, a thread bushing, 15, a first rubber plug, 16, a crack, 17, a crack groove, 18, a first conical groove, 19, a first plug inclined surface, 20, a second rubber plug, 21, a second plug inclined surface, 22, a spring sheet, 23, a connecting seat, 24, a second conical groove, 25, a first protection surrounding edge, 26, a movable square ring, 27, a second protection surrounding edge, 28, a fixed square ring, 29, a square ring pad, 30, a first bolt pad, 31, an assembling bolt, 32, a containing surrounding edge, 33, a heat conducting plate, 34, a top sealing cover, 35, a limit baffle, 36, a second bolt pad, 37, The movable connection block 38, the spring 39, the vent hole 40, the wind gathering plate 41, the lead wire barrel 42 and the accommodating groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-2 and 5, an integrated intelligent solar junction box comprises a box body 1, the existing junction box further comprises a metal sheet 2 installed in the box body 1, the metal sheet 2 is provided with a clamping groove 3 used for being connected with a conducting sheet on a photovoltaic panel, the conducting sheet on the photovoltaic panel is introduced into the box body 1 through a through groove 4, one side of the box body 1, which starts to penetrate through the groove 4, needs to be packaged on the photovoltaic panel to form a seal when the box body 1 is assembled, so the integrated solar junction box is called an integrated solar junction box, the metal sheet 2 of the junction box is further provided with a diode 5, when the input voltage of the photovoltaic panel is reduced, the storage battery is prevented from causing circuit backflow due to overlarge voltage, a wire is welded on the metal sheet 2, the wire is sealed in a lead cylinder 41 and penetrates through the lead cylinder 41 to be connected with the storage battery outside, in the prior art, the inner space of the box body 1 can be completely filled with sealant during assembly, the metal sheet 2 and the diode 5 are sealed by sealing glue, so that the internal circuit cannot be overhauled, and a new junction box needs to be replaced when the circuit has a problem.
What is different, the fixed square ring 28 is installed inside the box body 1, when the fixed square ring 28 is arranged, it should be noted that, because the lead cylinder 41 can penetrate through the fixed square ring 28 and the box body 1, the gap formed by the penetration of the lead cylinder 41 and the fixed square ring 28 and the gap formed by the penetration between the lead cylinder 41 and the box body 1 need to be sealed by glue, the fixed square ring 28 is assembled with the space division plate 10 made of metal cylinder or aluminum alloy through the flexible rubber tube 11, and the space division plate 10 divides the internal space of the box body 1 into the inner protection space 6 and the outer protection space 7; the flexible rubber tube 11 is a sealed tube structure made of rubber, and the tubes are connected end to form a square annular structure, and the flexible rubber tube 11 is positioned between the space division plate 10 and the fixed square ring 28;
the inner protective space 6 is used for accommodating the metal sheet 2 and the electrical components in the box body 1; the electrical component may be a diode 5 in this embodiment;
a top sealing cover 34 is detachably mounted at the opening at the top of the box body 1, the top sealing cover 34 is detachably connected with the box body 1 through a sealing cover bolt 8, a sealing cover sealing gasket 13 is further arranged between the top sealing cover 34 and the box body 1 for improving the sealing property of the connection between the top sealing cover 34 and the box body 1, a first one-way valve structure for one-way outward protection of the inside of the space 7 is arranged on the top sealing cover 34, and the first one-way valve structure is located above the space partition plate 10;
still be equipped with the second check valve structure that is used for one-way outside circulation to box body 1 on the box body 1, the circulation mouth of second check valve structure flushes with the bottom of box body 1.
In this embodiment, the flexible rubber tube 11 has good resilience and sealing performance, so that the position of the space partition plate 10 can be changed according to the adaptability of pressure in the inner protection space 6 while the sealing between the inner protection space 6 and the outer protection space 7 is ensured;
when the difference in temperature is great day and night, daytime, the inside pressure of terminal box is high, and at the bottom of the inside pressure of terminal box night, when external water contacted the gap between box body 1 and the closing cap, just can be easier outside water of inhaling when the inside pressure of terminal box became low.
Compare in traditional terminal box, this terminal box sets up the inner circuit of two-layer protection space to the terminal box and protects, when the pressure of protection space 6 detracts from at night, space division board 10 can be at the down-regulation position under flexible rubber tube 11's effect this moment, be used for adapting to this negative pressure, and the negative pressure of outer protection space 7 can directly make first check valve structure open, the initiative with external formation intercommunication, even if inhale partial water, these water can fall in the final bottom that flows to box body 1 of space division board 10, and be located outer protection space 7, through the separation of fixed side type ring 28 and the sealed effect of flexible rubber tube 11, protection space 6 in avoiding the water to get into.
During the daytime, no matter be interior protective space 6 or 7 inside pressures of outer protective space can the grow, first check valve structural seal tightly closes this moment, and the second check valve structure is opened under this pressure, and the water that is located 7 bottoms of outer protective space is discharged, when reaching the pressure release purpose, the heat in some box body 1 can also be taken away to water, improves the radiating effect of terminal box.
Compared with the traditional solar junction box, the junction box disclosed by the application has the advantages that the waterproof performance is good, the sealing of an internal circuit is not needed, the internal circuit is convenient to overhaul, water is not drained in the waterproof process, the day and night change of the junction box can be intelligently utilized, the water body can be sucked in the junction box when the temperature of the water body is low at night, the part of the water body can be discharged when the temperature of the part of the water body is higher, and the heat absorption and heat dissipation effects are achieved.
Example 2
Referring to fig. 1-2 and 5, the present embodiment is further illustrated on the basis of embodiment 1, specifically, the fixed square ring 28 is detachably connected to the movable square ring 26 through the assembling bolt 31;
the top of the fixed square ring 28 is bonded with a flexible rubber tube 11, and the bottom of the flexible rubber tube 11 is bonded at the bottom of the space divider plate 10.
It should be noted that the bottom of the box body 1 and the inside of the fixed square ring 28 are provided with holes penetrating each other, the assembling bolt 31 penetrates the inside of the box body 1 from the bottom of the box body 1 through the holes and is in threaded connection with the movable square ring 26, in order to ensure the sealing performance inside the box body 1, a first bolt pad 30 for sealing is arranged at the contact position of the assembling bolt 31 and the box body 1, the first bolt pad 30 is made of rubber, and in order to ensure the sealing performance between the outer protective space 7 and the inner protective space 6, a square ring pad 29 made of rubber is further arranged between the movable square ring 26 and the fixed square ring 28.
Through above-mentioned connected mode, can protect interior protective space 6 on the one hand, when needing to overhaul internal circuit, only need twist off assembly bolt 31 and can open interior protective space 6 to be convenient for overhaul the circuit and the electrical components in interior protective space 6.
Advantageously, the space divider 10 is provided with a first protective surrounding 25 for covering the gap between the space divider 10 and the movable square ring 26, so as to prevent the water falling from the space divider 10 from falling onto the flexible rubber tube 11.
Preferably, the movable square ring 26 is provided with a second protective surrounding edge 27 for covering the gap between the fixed square ring 28 and the movable square ring 26, so as to avoid the danger of water entering the inner protective space 6 due to water falling between the gap.
Example 3
Referring to fig. 1-5, the embodiment is further described on the basis of embodiment 2, a cover gathering plate 9 is further fixedly mounted on the top cover 34, and a gathering slope 12 for gathering water toward the first check valve structure is disposed on the cover gathering plate 9.
It should be noted that, when the temperature difference is great at night, water in the air can condense into water drops to gather on the closing cap aggregation plate 9, and because the closing cap aggregation plate 9 is provided with the aggregation inclined plane 12, the water finally gathers to the first check valve structure, and inhales the outer protection space 7, and when the temperature rises in daytime, the water located in the outer protection structure can improve the cooling effect in the junction box.
Further, the first check valve structure includes a second tapered groove 24 provided on the closure accumulation plate 9, the second tapered groove 24 communicating with the receiving groove 42 of the top closure 34;
the sealing cover gathering plate 9 is elastically connected with a connecting seat 23 through an elastic sheet 22, a second rubber plug 20 is installed at the top of the connecting seat 23, and a second plug inclined surface 21 attached to the wall surface of the second taper groove 24 is arranged on the second rubber plug 20.
The elastic sheet 22 is a V-shaped sheet structure just made of a spring 38, and the specific working principle of the first check valve structure is as follows: when the pressure in the outer protection space 7 becomes low, the air pressure outside the box body 1 is high at the moment, the connecting seat 23 moves downwards, the elastic sheet 22 is stretched, the second plug inclined surface 21 of the second rubber plug 20 is separated from the inner wall of the second taper groove 24, so that water or air at the top of the cover cap gathering plate 9 can enter conveniently, the entered water can firstly fall on the space separating plate 10, and the last part of liquid falls on the bottom of the box body 1, namely the bottom of the outer protection space 7.
Further, the second one-way valve structure comprises a first tapered groove 18 which is formed on the box body 1, and a first rubber plug 15 is assembled in the first tapered groove 18;
the first rubber plug 15 is provided with a first plug inclined surface 19 which is abutted against the first conical groove 18;
and, be equipped with crack 16 on first rubber buffer 15, because this crack 16 is seted up in the inside of rubber buffer, when the ordinary pressure state, crack 16 is the closed state, and crack 16's one end extends to the outside of box body 1, and crack 16's the other end passes through the inner chamber intercommunication of split 17 with box body 1.
It should be noted that, in this embodiment, the first rubber stopper 15 is pressed into the first tapered groove 18 through the thread bush 14 screwed on the box body 1, the thread bush 14 is of a flange-like annular structure, the through hole in the ring is used for circulating the water flowing out from the box body 1, and the outside of the ring is provided with a thread for being screwed with the box body 1.
When the pressure intensity of the outer protection space 7 in the box body 1 becomes large, the pressure intensity in the crack 17 becomes large and the crack 16 is pushed open at the moment, so that the water body at the bottom of the outer protection space 7 flows out, when the pressure intensity of the outer protection space 7 becomes small, the first plug inclined surface 19 of the first rubber plug 15 can tightly abut against the inner wall of the first conical groove 18 at the moment, the crack 16 is tightly closed under the pressure of the inner wall of the first conical groove 18, and the liquid in the outer protection space 7 is prevented from flowing out.
Example 4
Referring to fig. 1-7, this embodiment is a further improvement on the basis of embodiment 3, the top of the box body 1 is further connected to a movable connection block 37 through a spring 38, a top plate of the top cover 34 is provided with a limit baffle 35 for limiting the movable connection block 37, the movable connection block 37 is located in a space formed by the limit baffle 35 and a side plate of the top cover 34, the movable connection block 37 is connected with the cover bolt 8 penetrating through the top cover 34 by screw thread, it should be noted that, by the limitation of the space formed by the limit baffle 35 and the side plate of the top cover 34, can avoid the rotation of the movable connecting block 37 when the cover bolt 8 is in threaded connection with the movable connecting block 37, which in turn results in a less than intimate contact between the top closure 34 and the box 1, to further improve the seal, a second bolt pad 36 of rubber is provided between the movable connection block 37 and the top plate of the top cover 34.
The side plate of the box body 1 is provided with a vent hole 39 communicated with the outer protective space 7, and the side plate of the top sealing cover 34 and the vent hole 39 form a seal;
the space division plate 10 is provided with a heat conduction plate 33, the heat conduction plate 33 can be a plate-shaped structure made of aluminum alloy or a plate-shaped structure made of copper material, and the top of the heat conduction plate 33 is used for abutting against the top sealing cover 34.
In the structure, when the inside and outside atmospheric pressure of box body 1 is stable or the north-south atmospheric pressure of internal body meets the end, the curb plate of top closing cap 34 this moment forms conflict through closing cap sealing gasket 13 with box body 1, guarantee holistic leakproofness, when the inside atmospheric pressure grow of box body 1, by the work of the 6 internal circuit of interior guard space and external high temperature weather during the leading cause of atmospheric pressure grow, consequently, the space division board 10 of interior guard space 6 top can continuous rising, heat-conducting plate 33 also can be with top closing cap 34 jack-up, spring 38 can be stretched this moment, and the curb plate of top closing cap 34 will also no longer form the shutoff to ventilation hole 39, external wind can get into by ventilation hole 39, thereby take away the heat of the 1 internal space of box body, certain cooling effect has.
Optionally, a containment skirt 32 for water collection is also mounted on the space divider 10.
Because the containing surrounding edge 32 is assembled at the outer contour of the space division plate 10, the containing surrounding edge 32 is similar to a square surrounding baffle and is matched with the space division plate 10 to form a container with an opening at the top, water bodies falling on the space division plate 10 by the first one-way valve structure can be contained, and when the vent hole 39 is opened, wind entering from the vent hole 39 blows the heat guide plate 33, the space division plate 10 and the water bodies, so that the heat dissipation efficiency in the box body 1 can be improved to a greater extent, and the service life of circuits and electric elements in the box body 1 is prolonged.
Furthermore, the box body 1 and the top cover 34 are also provided with wind gathering plates 40 for inducing wind to the ventilation holes 39, so that the heat dissipation efficiency in the box body 1 is further improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides an integral type intelligence solar junction box, includes box body (1), its characterized in that: a fixed square ring (28) is installed inside the box body (1), a space division plate (10) is assembled on the fixed square ring (28) through a flexible rubber pipe (11), and the space division plate (10) divides the inner space of the box body (1) into an inner protection space (6) and an outer protection space (7);
the inner protection space (6) is used for accommodating the metal sheet (2) and the electrical appliance element in the box body (1);
a top sealing cover (34) is detachably mounted at the opening of the top of the box body (1), a first one-way valve structure used for one-way outward protection of the interior of the space (7) is arranged on the top sealing cover (34), and the first one-way valve structure is located above the space partition plate (10);
the box body (1) is further provided with a second one-way valve structure which is used for one-way circulation to the outside of the box body (1), and a circulation port of the second one-way valve structure is flush with the bottom of the box body (1).
2. The integrated intelligent solar junction box of claim 1, wherein: the fixed square ring (28) is detachably connected with a movable square ring (26) through an assembling bolt (31);
the top of the fixed square ring (28) is bonded with a flexible rubber pipe (11), and the top of the flexible rubber pipe (11) is bonded at the bottom of the space partition plate (10).
3. The integrated intelligent solar junction box of claim 2, wherein: the space division plate (10) is provided with a first protective surrounding edge (25) which is used for covering a gap between the space division plate (10) and the movable square ring (26).
4. The integrated intelligent solar junction box of claim 3, wherein: and a second protective surrounding edge (27) is arranged on the movable square ring (26) and is used for covering a gap between the fixed square ring (28) and the movable square ring (26).
5. The integrated intelligent solar junction box of claim 1, wherein: and a sealing cover gathering plate (9) is fixedly mounted on the top sealing cover (34), and a gathering inclined plane (12) used for gathering water to the first one-way valve structure is arranged on the sealing cover gathering plate (9).
6. The integrated intelligent solar junction box of claim 5, wherein: the first one-way valve structure comprises a second tapered groove (24) provided on the closure accumulation plate (9), the second tapered groove (24) communicating with the receiving groove (42) of the top closure (34);
be connected with connecting seat (23) through shell fragment (22) elastic connection on closing cap aggregation board (9), second rubber buffer (20) are installed at the top of connecting seat (23), be equipped with on second rubber buffer (20) with second stopper inclined plane (21) of the wall laminating of second taper groove (24).
7. The integrated intelligent solar junction box of claim 6, wherein: the second one-way valve structure comprises a first conical groove (18) which is arranged on the box body (1), and a first rubber plug (15) is assembled in the first conical groove (18);
a first plug inclined plane (19) which is abutted against the first conical groove (18) is arranged on the first rubber plug (15);
and be equipped with crack (16) on first rubber buffer (15), the outside of box body (1) is extended to the one end of crack (16), and the other end of crack (16) passes through the inner chamber intercommunication of splitting groove (17) and box body (1).
8. The integrated intelligent solar junction box of any one of claims 1-7, wherein: the top of the box body (1) is also connected with a movable connecting block (37) through a spring (38);
a top plate of the top sealing cover (34) is provided with a limiting baffle plate (35) for limiting a movable connecting block (37), the movable connecting block (37) is positioned in a space formed by the limiting baffle plate (35) and a side plate of the top sealing cover (34), and the movable connecting block (37) is in threaded connection with a sealing cover bolt (8) penetrating through the top sealing cover (34);
a ventilation hole (39) communicated with the outer protective space (7) is formed in a side plate of the box body (1), and the side plate of the top sealing cover (34) and the ventilation hole (39) form plugging;
be equipped with heat-conducting plate (33) on space division board (10), the top of heat-conducting plate (33) is used for contradicting on top closing cap (34).
9. The integrated intelligent solar junction box of claim 8, wherein: the space division plate (10) is also provided with an accommodating surrounding edge (32) for water collection.
10. The integrated intelligent solar junction box of claim 9, wherein: and wind gathering plates (40) used for inducing wind to the ventilation holes (39) are further arranged on the box body (1) and the top sealing cover (34).
CN202210850364.3A 2022-07-20 2022-07-20 Integrated intelligent solar junction box Active CN115085663B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
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EP2312712A1 (en) * 2009-10-19 2011-04-20 Yamaichi Electronics Deutschland GmbH Connection socket, method for producing a solar panel, cover device and use of same
CN201927963U (en) * 2011-01-06 2011-08-10 东莞市泽润电子科技有限公司 Solar energy junction box with good waterproof effect
CN211377453U (en) * 2019-11-30 2020-08-28 深圳真如电气技术有限公司 Terminal box
US20200381905A1 (en) * 2018-02-23 2020-12-03 Sumitomo Wiring Systems, Ltd. Electrical junction box
WO2021003892A1 (en) * 2019-07-05 2021-01-14 南京唐壹信息科技有限公司 Intelligent photovoltaic terminal box
CN212968949U (en) * 2020-09-25 2021-04-13 硕阳电机无锡有限公司 Wiring device of motor
CN213426098U (en) * 2020-08-28 2021-06-11 江苏精科新能源科技有限公司 Small-size encapsulating type photovoltaic terminal box
US20210336578A1 (en) * 2018-08-24 2021-10-28 Ocean Sun As A solar power plant and method of installing a solar power plant

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2312712A1 (en) * 2009-10-19 2011-04-20 Yamaichi Electronics Deutschland GmbH Connection socket, method for producing a solar panel, cover device and use of same
CN201927963U (en) * 2011-01-06 2011-08-10 东莞市泽润电子科技有限公司 Solar energy junction box with good waterproof effect
US20200381905A1 (en) * 2018-02-23 2020-12-03 Sumitomo Wiring Systems, Ltd. Electrical junction box
US20210336578A1 (en) * 2018-08-24 2021-10-28 Ocean Sun As A solar power plant and method of installing a solar power plant
WO2021003892A1 (en) * 2019-07-05 2021-01-14 南京唐壹信息科技有限公司 Intelligent photovoltaic terminal box
CN211377453U (en) * 2019-11-30 2020-08-28 深圳真如电气技术有限公司 Terminal box
CN213426098U (en) * 2020-08-28 2021-06-11 江苏精科新能源科技有限公司 Small-size encapsulating type photovoltaic terminal box
CN212968949U (en) * 2020-09-25 2021-04-13 硕阳电机无锡有限公司 Wiring device of motor

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