CN113328696A - Photovoltaic module junction box - Google Patents
Photovoltaic module junction box Download PDFInfo
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- CN113328696A CN113328696A CN202110615656.4A CN202110615656A CN113328696A CN 113328696 A CN113328696 A CN 113328696A CN 202110615656 A CN202110615656 A CN 202110615656A CN 113328696 A CN113328696 A CN 113328696A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
- A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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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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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a photovoltaic module junction box, wherein a box body and a cover plate are buckled, a wire passing port is formed in the box body, a plurality of electric conductors are fixedly arranged in the box body, and a lead rod is electrically connected in a connection wire holder and is electrically connected to a conductive block; the fixed outside of establishing at the conducting block of well cavity ring, the fixed spoiler that is provided with in the pipe wall of honeycomb duct, be provided with the vortex device in the runner pipe for carry out the vortex to the liquid through the runner pipe and mix, the surface laminating on elasticity gasbag layer is provided with the diode, the adjacent electric conductor of diode electric connection. The photovoltaic module junction box provided by the invention has the advantages that when a cable is installed, fire extinguishing liquid can be pushed, the fire extinguishing liquid is mixed in the process, the precipitation is avoided, the elastic air bag layer is tightly coated on the outer side of the diode, the effective cooling is further realized through the heat conducting block, when open fire occurs, the fire extinguishing liquid can flow out, the fire is extinguished in time, and the safety coefficient is higher.
Description
Technical Field
The invention relates to the technical field of junction boxes, in particular to a photovoltaic module junction box.
Background
In the prior art, a photovoltaic module junction box with application number "201610544671.3" relates to the technical field of solar power generation, and comprises a module connecting part and an electrical component part which are separately arranged, wherein the electrical component part is arranged above the module connecting part and is detachably connected with the module connecting part, the module connecting part comprises an insulating shell I and a plurality of parallel jacks in an inner cavity of the insulating shell I, the bottom of the insulating shell I is provided with a wire passing hole of a bus bar, the side surface of the insulating shell I is provided with two lead ends, the jacks are internally provided with electric conductors, and the two lead ends are respectively connected with electrode jacks; the electrical component part comprises a second insulating shell, a plurality of bypass diodes and metal columns matched with the jacks, and the bypass diodes are arranged between adjacent metal columns; the component connecting part and the electrical component part which are arranged in a split manner are more convenient to mount and dismount, the problem that the bypass diode is difficult to replace after being damaged is solved, the service life of the photovoltaic component is prolonged, and the maintenance frequency is reduced.
However, the method still has the obvious defects in the using process: 1. the cable in the above device is directly arranged in the lead terminal, may be loosened, and lacks a structure for auxiliary conduction of the cable, thus having poor durability; 2. the device uses the diode to conduct electricity to the adjacent conductor, but the diode generates heat very easily in the use process, so that the temperature of the conductor rises, the conductor is easy to damage, the heat of the diode can be conducted to the photovoltaic module, and potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a photovoltaic module junction box to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a photovoltaic module junction box comprising:
a transparent window is embedded in the cover plate;
the box body is buckled with the cover plate, a wire passing port is formed in the box body, a plurality of electric conductors are fixedly arranged in the box body, one ends of the electric conductors are provided with inserting holes, one ends of the electric conductors, far away from the inserting holes, are fixedly provided with connecting wire seats, lead poles are electrically connected in the connecting wire seats, and the lead poles are electrically connected to the conductive blocks;
the hollow ring is fixedly sleeved outside the conductive block, the hollow ring is fixedly arranged in the clamping seat, the clamping seat is fixedly arranged on the outer wall of the box body, an annular piston plate is movably arranged in the inner cavity of the hollow ring, one side, far away from the leading pole, of the annular piston plate is connected and provided with a plurality of springs, the springs are connected to the fixed block, the fixed block is fixedly arranged in the clamping seat, one side, close to the springs, of the annular piston plate is fixedly provided with an annular push plate, the hollow ring is communicated with a flow guide pipe, a flow baffle is fixedly arranged in the pipe wall of the flow guide pipe, the flow guide pipe is communicated with a flow pipe, the flow pipe is fixedly arranged in the bearing seat, a turbulence device is arranged in the flow pipe and used for performing turbulence mixing on liquid passing through the flow pipe, a curved bottom plate is fixedly arranged in the bearing seat, and an elastic air sac layer is hermetically arranged on the curved bottom plate, the heat conduction block is embedded in the elastic air bag layer, a storage cavity is formed between the elastic air bag layer and the curved-surface-shaped bottom plate and is communicated with the runner pipe, and the surface of the elastic air bag layer is provided with a diode in a fit manner, and the diode is electrically connected with adjacent conductors; and
the cable conductor, the cable conductor screw thread sets up in the cassette, the one end that the cassette was kept away from to the cable conductor is provided with the connector.
Preferably, the jack is arranged on one side of the electric conductor close to the wire passing port.
Preferably, an operation opening is formed in the connecting wire base, and the power lead rod is fixedly arranged in a groove of the connecting wire base through a screw.
Preferably, an isolation piston plate is movably arranged in the flow guide pipe and arranged between the hollow ring and the flow baffle plate.
Preferably, the turbulence device is a turbulence partition plate, and a through hole is formed in the turbulence partition plate.
Preferably, the through holes are provided in a plurality, and the diameters of the through holes are different.
Preferably, the spoiler panels share two identical groups.
Preferably, the two turbulent flow partition plates are arranged in two groups, and the two groups of turbulent flow partition plates are arranged in the forward direction and the reverse direction respectively.
Preferably, the conductive block is provided with an elastic conductive reed on one side away from the leading pole, and the cable is provided with a clamping groove on one side away from the connector.
Compared with the prior art, the invention has the beneficial effects that:
1. the cable is arranged in the clamping seat in a threaded manner and is not easy to loosen, and the side, away from the leading pole, of the conductive block is fixedly provided with the elastic conductive reed which is just clamped in the clamping groove formed in the cable during installation, so that an auxiliary conductive effect is provided, and the device is more durable;
2. when the cable is installed, the annular push plate is pushed inwards by the cable, so that the fire extinguishing liquid in the flow guide pipe and the flow pipe is extruded to the elastic air bag layer, on one hand, the elastic air bag layer expands outwards and is tightly attached to the outer part of the diode, air separation is avoided, more effective direct contact cooling is realized, on the other hand, the fire extinguishing agent is required to pass through the flow blocking plate and the flow disturbing partition plate when flowing, so that the fire extinguishing agent is moved and mixed, and the influence on the use effect after the fire extinguishing agent is precipitated is avoided;
3. the diode is attached to the elastic air bag layer, the storage cavity is formed between the elastic air bag layer and the curved-surface-shaped bottom plate, the heat conducting block is embedded in the elastic air bag layer, the fire extinguishing liquid is arranged in the storage cavity, the diode can generate a large amount of heat during normal use, the heat conducting block can conduct the heat to the fire extinguishing liquid, the diode is cooled, if the diode is burnt by careless fire, the elastic air bag layer can be burnt, the fire extinguishing liquid flows out, open flames are extinguished in time, and the diode is safer to use.
The photovoltaic module junction box provided by the invention has the advantages that when a cable is installed, fire extinguishing liquid can be pushed, the fire extinguishing liquid is mixed in the process, the precipitation is avoided, the elastic air bag layer is tightly coated on the outer side of the diode, the effective cooling is further realized through the heat conducting block, when open fire occurs, the fire extinguishing liquid can flow out, the fire is extinguished in time, and the safety coefficient is higher.
Drawings
FIG. 1 is a schematic view of a cover plate structure according to the present invention;
FIG. 2 is a schematic cross-sectional view of the internal structure of the case according to the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 4 is a side view of the connection base and the lead bar connection location of the present invention;
FIG. 5 is a cross-sectional view of an internal structure of a carrier according to a first embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view illustrating an internal structure of a second embodiment of a carrier according to the present invention;
fig. 7 is a schematic cross-sectional view of an internal structure of a third embodiment of a carrier seat of the present invention.
In the figure: 1 cover plate, 101 transparent window, 2 box bodies, 3 wire passing ports, 4 electric conductors, 5 jacks, 6 connecting wire holders, 601 operation ports, 7 leading pole, 8 screws, 9 conductive blocks, 10 hollow rings, 11 clamping seats, 12 annular piston plates, 13 springs, 14 fixed blocks, 15 annular push plates, 16 flow guide pipes, 17 flow blocking plates, 18 isolation piston plates, 19 flow guide pipes, 20 bearing seats, 21 turbulent flow partition plates, 22 through holes, 23 curved bottom plates, 24 elastic air sac layers, 25 heat conducting blocks, 26 storage cavities, 27 diodes, 28 cables, 29 connectors, 30 elastic conductive reeds and 31 clamping grooves.
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 (b):
referring to fig. 1 to 7, the present invention provides a technical solution:
a photovoltaic module junction box comprising:
a transparent window 101 is embedded in the cover plate 1, so that a user can observe the inside of the box body 2 without opening the cover plate 1;
the box body 2 is detachably buckled with the cover plate 1, a sealing ring is arranged at the joint of the box body 2 and the cover plate 1, so that water seepage is prevented, a wire passing port 3 is formed in the box body 2, a plurality of electric conductors 4 are fixedly arranged in the box body 2, one ends of the electric conductors 4 are provided with insertion holes 5, one ends of the electric conductors 4 far away from the insertion holes 5 are fixedly provided with connecting wire seats 6, the connecting wire seats 6 have electric conductivity, lead poles 7 are electrically connected in the connecting wire seats 6, and the lead poles 7 are electrically connected to the electric conduction blocks 9;
a hollow ring 10, the hollow ring 10 is fixedly sleeved outside the conductive block 9, the hollow ring 10 is fixedly arranged in a clamping seat 11, the clamping seat 11 is fixedly arranged on the outer wall of the box body 2, the clamping seat 11 is used for connecting a cable 28, an annular piston plate 12 is movably arranged in the inner cavity of the hollow ring 10, the annular piston plate 12 can move along the inner wall of the hollow ring 10, one side of the annular piston plate 12, which is far away from the leading pole 7, is connected with a plurality of springs 13, the springs 13 have elasticity, the springs 13 are connected with a fixed block 14 to realize position limitation, the fixed block 14 is fixedly arranged in the clamping seat 11, one side of the annular piston plate 12, which is close to the springs 13, is fixedly provided with an annular push plate 15, the annular push plate 15 is used for pushing the annular piston plate 12, the hollow ring 10 is communicated with a flow guide pipe 16, a flow baffle plate 17 is fixedly arranged in the pipe wall of the flow guide pipe 16, the flow baffle plate 17 is provided with a plurality of flow baffles 17, and the flow baffles are arranged in a crossed manner and relatively inclined manner, realize the choked flow and the disturbance to the liquid, promote the liquid to mix, the honeycomb duct 16 communicates with the runner pipe 19, the runner pipe 19 is fixedly arranged in the bearing seat 20, the runner device is arranged in the runner pipe 19, and is used for the turbulent flow mixing to the liquid passing through the runner pipe 19, and avoid the problem that the user is difficult to mix the liquid sealed inside through the external device after the liquid is layered and deposited, and then the using effect of the liquid is reduced, the curved bottom plate 23 is fixedly arranged in the bearing seat 20, the elastic air bag layer 24 is hermetically arranged on the curved bottom plate 23, the heat conduction block 25 is embedded in the elastic air bag layer 24, the storage cavity 26 is formed between the elastic air bag layer 24 and the curved bottom plate 23, the liquid is stored in the storage cavity 26, therefore, the heat conduction block 25 can conduct the absorbed heat to the liquid in the storage cavity 26, realize the rapid cooling, the storage cavity 26 is communicated with the runner pipe 19, the diode 27 is attached to the surface of the elastic air bag layer 24, so that the diode 27 can adapt to diodes 27 with different shapes, a gap does not exist between the diode 27 and the elastic air bag layer 24, direct contact type conduction which is more effective than air conduction is adopted, the temperature reduction is quicker, the diode 27 is electrically connected with the adjacent electric conductors 4, the diode 27 can realize timely and effective temperature reduction, heat can not be continuously conducted to the electric conductors 4, and the electric conductors 4 are prevented from being damaged by high heat; and
Preferably, the insertion hole 5 is disposed on one side of the electric conductor 4 close to the wire passing port 3 for easy installation and use, and an additional blocking member may be disposed at the position of the insertion hole 5 to prevent rainwater from penetrating into the inside of the box body 2.
Preferably, the connection wire holder 6 is provided with an operation opening 601, the power lead rod 7 is fixedly arranged in a groove of the connection wire holder 6 through a screw 8, the connection wire holder 6 can conduct current to the power lead rod 7, and the screw 8 is conveniently installed through the operation opening 601.
Preferably, an isolation piston plate 18 is movably disposed in the flow guide tube 16, the isolation piston plate 18 is disposed between the hollow ring 10 and the flow blocking plate 17, and the isolation piston plate 18 has the advantages that: if the isolation piston plate 18 is not provided, the hollow ring 10, the flow guide pipe 16, the flow pipe 19 and the storage cavity 26 are in an integrated communication state, and the liquid in the storage cavity 26 is the fire extinguishing liquid or other liquid with the same or similar action, so the fire extinguishing liquid must be filled in the structures, but the arrangement mode has the problem of overhigh cost, in this case, after the isolation piston plate 18 is additionally arranged, piston oil and the like with low price can be filled between the isolation piston plate 18 and the hollow ring 10, the high-quality fire extinguishing liquid with excellent property and fire extinguishing action is filled between the isolation piston plate 18 and the storage cavity 26, and the cost can be reduced on the whole.
Preferably, the turbulent flow device is a turbulent flow partition plate 21, through holes 22 are formed in the turbulent flow partition plate 21, and the liquid needs to pass through the through holes 22 in the turbulent flow partition plate 21, so that the liquid flows, the mixing is promoted, and the precipitation is avoided.
Preferably, the through holes 22 are opened in a plurality of sizes, and the diameters of the through holes 22 are different, so that the liquid can pass through the through holes 22 in different sizes to realize further turbulence.
Preferably, the turbulent flow partition plates 21 have two groups which are the same, and the liquid needs to sequentially pass through the two groups of turbulent flow partition plates 21, so that the turbulent flow effect is improved.
As a preferred, the spoiler 21 has two sets, and two sets of spoiler 21 are respectively arranged in the forward direction and the reverse direction, for example, the diameter of the through hole 22 on one set of spoiler 21 increases from top to bottom in turn, and the diameter of the through hole 22 on the other set of spoiler 21 decreases from top to bottom in turn, and the liquid needs to pass through the two sets of spoiler 21 in turn, thereby achieving better spoiler and mixing effects.
Preferably, an elastic conductive reed 30 is fixedly arranged on one side, away from the power lead pole 7, of the conductive block 9, a clamping groove 31 is formed in one side, away from the connector 29, of the cable 28, and when the cable 28 is installed, the elastic conductive reed 30 is just clamped in the clamping groove 31 to conduct auxiliary conduction, so that the using effect is better.
The first embodiment is as follows:
during the use, need install cable conductor 28 in cassette 11, specifically, rotatory propelling cable conductor 28 for cable conductor 28 takes place to rotate along the inside screw thread of cassette 11, and the end butt to the conducting block 9 of cable conductor 28 realizes the intercommunication, and the electrically conductive reed 30 of elasticity in the conducting block 9 outside just in time inlay card is in draw-in groove 31 at this moment, can assist electrically conductively.
When the cable 28 is pushed in by rotation, the annular push plate 15 is pushed, the annular push plate 15 pushes the annular piston plate 12 inwards, so that the liquid in the hollow ring 10 is extruded outwards, the isolation piston plate 18 is pushed towards one side close to the bearing seat 20 in a state that the isolation piston plate 18 is arranged, further the liquid between the isolation piston plate 18 and the elastic air bag layer 24 is extruded outwards, the liquid enters the storage cavity 26 through the flow pipe 19, the flow pipe 19 is internally provided with a turbulence device for turbulence mixing of the liquid passing through the flow pipe 19, the problem that after the liquid is layered and precipitated, a user is difficult to mix the internally sealed liquid through an external device, and further the using effect of the liquid is reduced is solved, the liquid is extruded to the elastic air bag layer 24, so that the elastic air bag layer 24 is expanded and further tightly attached to the outer side of the diode 27, can adapt to the diode 27 of different appearances, there is not the space, consequently, compare the air conduction, this direct contact conduction is more effective, it is provided with heat conduction piece 25 to embed in the elasticity gasbag layer 24, form between elasticity gasbag layer 24 and the curved surface shape bottom plate 23 and store chamber 26, store and have liquid in the chamber 26, consequently, in heat conduction piece 25 can in time conduct the heat that diode 27 produced to the liquid of storing chamber 26, the cooling is quicker, effectively protect diode 27 and electric conductor 4, if the burning of firing a fire carelessly of diode 27, elasticity gasbag layer 24 can be burnt out, lead to storing the fire extinguishing liquid outflow in the chamber 26, in time extinguish the naked light, it is safer to use.
In this embodiment, the fire extinguishing agent is pushed in the process and needs to pass through the flow tube 19, the turbulent device in the flow tube 19 is a turbulent partition plate 21, the turbulent partition plate 21 is provided with a group, through holes 22 are formed in the turbulent partition plate 21, and liquid needs to pass through the through holes 22 in the turbulent partition plate 21, so that the flow is realized, the mixing is promoted, and the precipitation is avoided.
Example two:
this embodiment is similar with embodiment one, and the only difference is that, in this embodiment, vortex baffle 21 is total the same two sets ofly, and liquid need pass through two sets of vortex baffles 21 in proper order, improves the vortex effect, further avoids the problem that the layering sediment appears in fire extinguishing liquid.
Example three:
this embodiment is similar with embodiment one, the only difference is, in this embodiment, vortex baffle 21 is total two sets ofly, and two sets of vortex baffles 21 are respectively according to forward and reverse setting, for example, the through-hole 22 diameter from the top down on a set of vortex baffle 21 increases in proper order, then the through-hole 22 diameter from the top down on another set of vortex baffle 21 reduces in proper order, liquid need pass through these two sets of vortex baffles 21 in proper order, and then realize better vortex, the mixed effect, make the texture of fire extinguishing liquid more even, traditional liquid has been solved and after sealed, it is difficult to carry out the problem of stirring through external device to it.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A photovoltaic module junction box, comprising:
the cover plate (1), wherein a transparent window (101) is embedded in the cover plate (1);
the box body (2) is buckled with the cover plate (1), a wire passing port (3) is formed in the box body (2), a plurality of electric conductors (4) are fixedly arranged in the box body (2), one ends of the electric conductors (4) are provided with inserting holes (5), one ends, far away from the inserting holes (5), of the electric conductors (4) are fixedly provided with connecting wire seats (6), the connecting wire seats (6) are electrically connected with lead wires (7), and the lead wires (7) are electrically connected with conducting blocks (9);
a hollow ring (10), the hollow ring (10) is fixedly sleeved on the outer side of the conductive block (9), the hollow ring (10) is fixedly arranged in a clamping seat (11), the clamping seat (11) is fixedly arranged on the outer wall of the box body (2), an annular piston plate (12) is movably arranged in the inner cavity of the hollow ring (10), one side, away from the leading pole (7), of the annular piston plate (12) is connected and provided with a plurality of springs (13), the springs (13) are connected onto a fixed block (14), the fixed block (14) is fixedly arranged in the clamping seat (11), one side, close to the springs (13), of the annular piston plate (12) is fixedly provided with an annular push plate (15), the hollow ring (10) is provided with a flow guide pipe (16) in a communication manner, a flow baffle (17) is fixedly arranged in the pipe wall of the flow guide pipe (16), and the flow guide pipe (16) is communicated with a flow guide pipe (19), the flow pipe (19) is fixedly arranged in a bearing seat (20), a flow disturbance device is arranged in the flow pipe (19) and used for carrying out flow disturbance mixing on liquid passing through the flow pipe (19), a curved bottom plate (23) is fixedly arranged in the bearing seat (20), an elastic air bag layer (24) is hermetically arranged on the curved bottom plate (23), a heat conduction block (25) is embedded in the elastic air bag layer (24), a storage cavity (26) is formed between the elastic air bag layer (24) and the curved bottom plate (23), the storage cavity (26) is communicated with the flow pipe (19), a diode (27) is attached to the surface of the elastic air bag layer (24), and the diode (27) is electrically connected with an adjacent conductor (4); and
the cable (28) is arranged in the clamping seat (11) in a threaded mode, and a connector (29) is arranged at one end, far away from the clamping seat (11), of the cable (28).
2. The photovoltaic module junction box of claim 1, wherein: the jack (5) is arranged on one side of the conductor (4) close to the wire passing port (3).
3. The photovoltaic module junction box of claim 1, wherein: the connecting wire holder (6) is provided with an operation port (601), and the electric lead rod (7) is fixedly arranged in a groove of the connecting wire holder (6) through a screw (8).
4. The photovoltaic module junction box of claim 1, wherein: an isolation piston plate (18) is movably arranged in the flow guide pipe (16), and the isolation piston plate (18) is arranged between the hollow ring (10) and the flow baffle plate (17).
5. The photovoltaic module junction box of claim 1, wherein: the turbulent flow device is a turbulent flow partition plate (21), and a through hole (22) is formed in the turbulent flow partition plate (21).
6. The photovoltaic module junction box of claim 5, wherein: the through holes (22) are formed in a plurality of numbers, and the diameters of the through holes (22) are different.
7. The photovoltaic module junction box of claim 6, wherein: the turbulent flow partition plates (21) share two groups which are the same.
8. The photovoltaic module junction box of claim 6, wherein: the turbulent flow partition plates (21) are two groups in total, and the two groups of turbulent flow partition plates (21) are arranged in the forward direction and the reverse direction respectively.
9. The photovoltaic module junction box of claim 1, wherein: one side that conducting block (9) kept away from electric pole (7) is fixed and is provided with elasticity electrically conductive reed (30), draw-in groove (31) have been seted up to one side that connector (29) were kept away from in cable conductor (28).
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| CN212909433U (en) * | 2020-08-11 | 2021-04-06 | 阿特斯阳光电力集团股份有限公司 | Photovoltaic junction box |
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