CN116054733B

CN116054733B - Suspended photovoltaic wiring device

Info

Publication number: CN116054733B
Application number: CN202310321479.8A
Authority: CN
Inventors: 苏亮
Original assignee: Suzhou Hugang Technology Co ltd
Current assignee: Suzhou Hugang Technology Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-06-20
Anticipated expiration: 2043-03-29
Also published as: CN116054733A

Abstract

The invention relates to the field of photovoltaics, and discloses a suspended photovoltaic wiring device which comprises a round bottom frame, wherein a rectangular frame is arranged in the round bottom frame, annular frames are integrally arranged at the corners of the periphery of the rectangular frame, diodes are arranged in the annular frames, conductive sheets are fixedly arranged on the side walls of the periphery in the rectangular frame, and wired connector pipes are integrally connected to the left side and the right side of the upper end of the round bottom frame. Compared with the prior art, this application is through self unsettled formula structure and central hollow structure and a plurality of fin, realize quick heat dissipation, when the temperature increases gradually, realize inner space and outer space intercommunication, realize the circulation of air, when the temperature risees once more through the air of circulation, starter motor and circulating pump, take away the heat through the coolant liquid that circulates, realize progressive heat dissipation, the multilayer heat radiation structure of adoption can realize that photovoltaic termination gets high-efficient heat dissipation, avoid its inside heat to pile up, reduction device life.

Description

Suspended photovoltaic wiring device

Technical Field

The invention relates to the field of photovoltaics, in particular to a suspended photovoltaic wiring device.

Background

The photovoltaic wiring device is a connecting device between a solar cell matrix formed by the solar cell modules and the solar charging control device, and mainly used for connecting and protecting the solar cell modules, connecting the power generated by the solar cells with an external circuit and conducting the current generated by the solar cell modules.

Through searching, the prior Chinese patent with the bulletin number of CN 206820716U: the invention provides a suspended photovoltaic wiring device, which is characterized in that heat dissipation is fast emitted through air convection of a shutter, but dust impurities, rainwater and the like in the air outside the device are easy to enter the device, so that parts are damaged and fail, and the single photovoltaic wiring device is singly cooled through air flow, and the air temperature is very high in summer high-temperature weather and cannot be used as a long-term effective efficient heat dissipation structure.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a suspended photovoltaic wiring device which has the advantages of multistage heat dissipation and the like and solves the problems of poor heat dissipation and the like.

(II) technical scheme

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a unsettled formula photovoltaic termination, includes circular underframe, be provided with the rectangle frame in the circular underframe, the corner integration all around of rectangle frame is provided with the annular frame, be provided with the diode in the annular frame, the lateral wall is fixed around in the rectangle frame is provided with the conducting strip, the upper end left and right sides integration of circular underframe is connected with the wire connector tube, be connected with the terminal through the screw thread rotation in the wire connector tube, the terminal integration is connected with the connector lug, the connector lug integration is connected with the wiring cable, the tip of terminal wears to be equipped with the conductive connecting hole, wire connector tube internal fixation is provided with the sealing block, sealing block fixedly connected with conducting rod, conducting rod and conductive connecting hole are to pegging graft, and the sealing block in the wire connector tube of left and right sides is connected with anodal and negative pole terminal respectively through the connecting piece, the positive terminal and the negative terminal are fixedly arranged on the side wall of the rectangular frame, the adjacent diodes and the conducting strips in the rectangular frame are connected through connecting pieces, the positive terminal is connected with the adjacent diodes through connecting pieces, the negative terminal is connected with the adjacent diodes through connecting pieces, connecting columns are fixedly arranged on the periphery in the round bottom frame, connecting holes are formed in the connecting columns in a penetrating manner, the rear end of the round bottom frame is connected with a cover plate, a plurality of mounting bolts are arranged on the cover plate in a penetrating manner, the mounting bolts are connected with the connecting holes in the round bottom frame in a rotating manner through threads, heat dissipation holes are formed in the middle of the round bottom frame in a penetrating manner, a heat conduction round frame is integrally connected at the heat dissipation holes in the round bottom frame, a plurality of round bottom frames are fixedly arranged on the inner side wall of the heat conduction round bottom frame and are annularly distributed in the heat conduction round bottom frame, the heat conduction device comprises a round bottom frame, and is characterized in that a vertical plate is fixedly connected to the upper end of the round bottom frame, a mounting plate is integrally connected to the upper end of the vertical plate, diodes and conducting strips and connecting pieces connected with the diodes are annularly arranged in the round bottom frame, the annularly arranged diodes, the annularly arranged conducting strips and the connecting pieces encircle the periphery of the round heat conduction frame, a plurality of radiating strips which are annularly arranged are fixedly arranged in the round heat conduction frame, and the radiating strips extend out of the round bottom frame.

Preferably, the apron fixed surface is provided with the overcoat seat, be provided with the expansion tank in the overcoat seat, flexible piece of installing of expansion tank is flexible, be connected with the spring between expansion tank and the expansion tank inside wall, fixedly provided with a plurality of toper kerosene frames on the circular underframe inside wall, toper kerosene frame integration is connected with the pole cover, flexible installation ejector pin in the pole cover, ejector pin and expansion block fixed connection, the center of expansion block is provided with spacing hole, the tip of heat conduction round frame stretches into spacing downthehole setting.

Preferably, the lower extreme left and right sides integration of circular underframe is connected with the wind gap pipe, the tip of wind gap pipe is connected with the threaded connection post through the screw thread rotation, threaded connection post integration is connected with the end plate, wear to be equipped with a plurality of ventilation holes on threaded connection post and the end plate, the below left and right sides integration in the circular underframe is connected with the conical tube, the conical tube integration is connected with the fine air duct, the fine air duct is connected with the rectangle frame lateral wall, fine air duct and rectangle frame internal connection, sealed revolving plate is installed to the fine air duct internal rotation, the surface rotation of sealed revolving plate is connected with push rod one end, the push rod other end and flexible piece fixed connection.

Preferably, a circulating pump is installed in the annular frame below in the circular bottom frame, the input end and the output end of the circulating pump are respectively connected with a water inlet pipe orifice and a water outlet pipe orifice, a motor is installed on the circulating pump, the output end of the motor is fixedly connected with a central shaft of the circulating pump, a positive electrode of the motor is connected with a negative electrode binding post through a positive electrode connecting piece, an insulating rod is connected to a telescopic block, an upper electric shock head is connected to the end of the insulating rod, a lower electric shock head is connected to the negative electrode of the positive electrode binding post, the lower electric shock head is connected with the negative electrode of the motor through a negative electrode connecting piece, a cooling seat is fixedly arranged in the annular frame in the circular bottom frame, a diode is installed on the cooling seat, the water outlet pipe orifice is connected with one end of a cooling pipe, the other end of the cooling pipe is wound on the outer surface of the heat-conducting circular frame and is sequentially connected with the cooling seat in the annular frame, and the other end of the cooling pipe is connected with the water inlet pipe orifice.

Preferably, the cooling seat comprises a cooling liquid frame, the left side and the right side of the upper end face of the cooling liquid frame are integrally connected with elastic clamping pieces, a cooling liquid cavity is arranged in the cooling liquid frame and the elastic clamping pieces, the cooling liquid cavity is communicated with the cooling pipe, and the diode is arranged between the elastic clamping pieces on the left side and the right side.

Preferably, a sealing ring is sleeved on the outer surface of the joint of the binding post and the binding post, and a sealing ring is sleeved on the outer surface of the joint of the threaded connecting post and the end plate.

Preferably, a sealing groove is formed in the surface of the cover plate, a rubber sealing ring is arranged in the sealing groove, and the end part of the circular bottom frame is arranged in the sealing groove.

Preferably, the connecting piece comprises a side conductive sheet, the side conductive sheet is connected with a connecting sheet through a connecting sheet connecting screw, and the connecting sheet is connected with a wire through a wire connecting screw.

Preferably, the aperture of the conical kerosene frame is larger than the aperture of the rod sleeve.

Preferably, a sealing ring is sleeved on the outer surface of the end part of the heat conduction round frame.

(III) beneficial effects

Compared with the prior art, the invention provides a suspended photovoltaic wiring device, which has the following beneficial effects:

1. according to the solar photovoltaic device, the plurality of radiating fins which are annularly arranged are fixedly arranged in the heat conducting round frame, the radiating fins extend out of the round bottom frame, the contact area between the inside of the whole wiring device and the external space is increased, heat generated by the diode during operation can be effectively transferred to the air, light spots generated by the wiring device due to high temperature can be rapidly eliminated, the normal operation of the wiring device is guaranteed, the whole structure is of a deviated round frame structure and is fixed on a solar photovoltaic panel through the mounting plate, the whole wiring structure is suspended in a three-dimensional mode, compared with the existing flat box-shaped structure, the contact area with the external space is increased, besides the radiating through the radiating fins, the normal operation of the device is further guaranteed.

2. When the temperature in the circular bottom frame is too high, kerosene in the conical kerosene frame is heated and expanded, the ejector rod connected with the end part of the kerosene frame is ejected, so that the telescopic block is ejected into the outer sleeve seat, the push rod connected with the telescopic block moves synchronously, and the sealing rotating plate is driven to rotate, at the moment, the inner space of the rectangular frame is communicated with the outer space, so that air in the rectangular frame flows, the heat dissipation effect is further improved, the air port pipe is arranged downwards, and water inflow in the inner space of the wiring device can be avoided.

3. When the temperature in the rectangular frame continuously rises, the telescopic block continuously stretches into the outer sleeve seat until the upper electrical contact connected with the telescopic block is contacted with the lower electrical contact on the positive electrode binding post, at the moment, the motor is connected with the positive electrode binding post and the negative electrode binding post in parallel, the motor is a direct current motor, the direct current generated by the solar photovoltaic panel drives the motor to work and drives the circulating pump to work, the cooling pipe and the cooling liquid in the cooling seat are driven to circularly flow, the cooling seat comprises the elastic clamping piece clamped at the periphery of the diode, the elastic clamping piece and the cooling liquid frame are internally provided with the cooling liquid cavity, and the cooling liquid cavity is used for cooling liquid circulation, so that heat generated by the diode is directly taken away through flowing cooling liquid, the cooling pipe is wrapped at the periphery of the heat conducting round frame, the heat absorbed by the cooling liquid is contacted with an external space through air current, and finally, the direct water cooling of the diode is realized, the cooling effect is excellent, the service life of the whole wiring device is greatly prolonged, and the motor only works when the temperature reaches a certain temperature, the electric quantity is not consumed all the time, and the energy is saved, and the environment is protected.

Drawings

FIG. 1 is a schematic view of a main view perspective structure of the present invention;

FIG. 2 is a schematic view of a rear view perspective structure of the present invention;

FIG. 3 is a schematic view of a circular bottom frame in a three-dimensional structure according to the present invention;

FIG. 4 is a schematic view of the internal perspective structure of the circular bottom frame of the present invention;

FIG. 5 is a schematic view of the internal perspective structure of a rectangular frame according to the present invention;

FIG. 6 is a schematic diagram showing a three-dimensional structure of a terminal according to the present invention;

FIG. 7 is a schematic diagram of a cover plate in a three-dimensional structure according to the present invention;

FIG. 8 is a schematic view of the mounting perspective of the telescopic block of the present invention;

FIG. 9 is a schematic perspective view of a threaded connection column according to the present invention;

FIG. 10 is a schematic perspective view of a seal rotating plate according to the present invention;

FIG. 11 is a schematic view of a cooling tube mounting perspective structure of the present invention;

FIG. 12 is a schematic perspective view of a cooling seat according to the present invention;

fig. 13 is a schematic perspective view of a connector according to the present invention.

In the figure: 1. installing a bolt; 2. an air port pipe; 3. a cover plate; 4. a circular bottom frame; 5. a wire joint pipe; 6. a riser; 7. a mounting plate; 8. a heat sink; 9. a heat radiation hole; 10. a connection hole; 11. a connecting column; 12. an annular frame; 13. a rectangular frame; 14. a heat conducting round frame; 15. a fine air pipe; 16. a conical tube; 17. a conductive via; 18. binding posts; 19. a connector lug; 20. a wiring cable; 21. a conductive rod; 22. a sealing block; 23. a positive terminal; 24. a diode; 25. a conductive sheet; 26. a connecting piece; 27. a negative electrode binding post; 28. sealing grooves; 29. an upper electric shock head; 30. an insulating rod; 31. a jacket base; 32. a limiting hole; 33. a telescopic block; 34. a push rod; 35. a rod sleeve; 36. a conical kerosene frame; 37. a spring; 38. a telescopic slot; 39. sealing the rotating plate; 40. a push rod; 41. a vent hole; 42. a threaded connection post; 43. an end plate; 44. a cooling seat; 45. a cooling tube; 46. a positive electrode connecting member; 47. a water inlet pipe orifice; 48. a circulation pump; 49. a motor; 50. a water outlet pipe orifice; 51. a negative electrode connecting member; 52. an elastic clamping piece; 53. a cooling liquid frame; 54. a cooling liquid chamber; 55. a wire; 56. a wire connecting screw; 57. the connecting piece is connected with a screw; 58. a side conductive sheet; 59. a connecting sheet; 60. and (5) a lower electric shock head.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As described in the background art, the present application provides a suspended photovoltaic wiring device in order to solve the above technical problems.

In a typical embodiment of the application, as shown in fig. 1-13, a suspended photovoltaic wiring device comprises a round bottom frame 4, a rectangular frame 13 is arranged in the round bottom frame 4, an annular frame 12 is integrally arranged at the corners of the periphery of the rectangular frame 13, a diode 24 is arranged in the annular frame 12, conductive sheets 25 are fixedly arranged at the side walls of the periphery in the rectangular frame 13, a wire joint pipe 5 is integrally connected at the left side and the right side of the upper end of the round bottom frame 4, a wiring terminal 18 is rotatably connected in the wire joint pipe 5 through threads, a wiring terminal 19 is integrally connected with the wiring terminal 18, a wiring cable 20 is integrally connected with the wiring terminal 19, a conductive connecting hole 17 is penetrated at the end part of the wiring terminal 18, a sealing block 22 is fixedly arranged in the wire joint pipe 5, a conductive rod 21 is fixedly connected with the sealing block 22, and the conductive rod 21 and the conductive connecting hole 17 are oppositely spliced, the sealing blocks 22 in the wire joint pipes 5 at the left side and the right side are respectively connected with a positive electrode binding post 23 and a negative electrode binding post 27 through a connecting piece 26, the positive electrode binding post 23 and the negative electrode binding post 27 are fixedly arranged on the side wall of the rectangular frame 13, adjacent diodes 24 and conducting strips 25 in the rectangular frame 13 are connected through the connecting piece 26, the positive electrode binding post 23 is connected with the adjacent diodes 24 through the connecting piece 26, the negative electrode binding post 27 is connected with the adjacent diodes 24 through the connecting piece 26, connecting columns 11 are fixedly arranged around in the round bottom frame 4, connecting holes 10 are penetrated on the connecting columns 11, the rear end of the round bottom frame 4 is connected with a cover plate 3, a plurality of mounting bolts 1 are penetrated on the cover plate 3, the mounting bolts 1 are rotationally connected with the connecting holes 10 in the round bottom frame 4 through threads, heat dissipation holes 9 are penetrated in the middle of the round bottom frame 4, heat dissipation round frames 14 are integrally connected with the heat dissipation holes 9 in the round bottom frame 4, the heat conduction round frame 14 inside wall is fixed to be provided with a plurality of circular underframe 4, and a plurality of circular underframe 4 are the annular and arrange in heat conduction round frame 14, and the upper end fixedly connected with riser 6 of circular underframe 4, riser 6 upper end integration is connected with mounting panel 7.

The photovoltaic wiring device comprises an external circular bottom frame, wherein a rectangular frame 13 is fixedly arranged in the external circular bottom frame, annular frames 12 which are integrally connected are adopted at the corners of the periphery of the rectangular frame 13, diodes 24 are arranged in the annular frames 12, wire joint pipes 5 are integrally connected to the left side and the right side of the upper end of the circular bottom frame 4, conductive rods 21 are inserted into conductive connecting holes 17 at the end parts of the wire joint pipes 5, the conductive rods 21 are electrically connected with positive wiring terminals 23 connected with sealing blocks 22, the positive wiring terminals 23 are electrically connected with adjacent diodes 24 through connecting pieces 26, the diodes 24 are electrically connected with adjacent conductive plates 25 through connecting pieces 26, finally, the connection of the positive wiring terminals 23 and the negative wiring terminals 27 is realized, and the positive wiring terminals 23 and the negative wiring terminals 27 are respectively electrically connected with wiring cables 20 at the left side and the right side;

when the structure is applied specifically, the wiring cable 20 is also connected with a photovoltaic connector, the whole wiring device is fixedly arranged on a solar photovoltaic panel through the mounting plate 7, the photovoltaic connector is used for connecting a solar cell circuit inside the wiring device with an external circuit and transmitting electric energy out, the diode 24 is used for protecting a cell string, the wiring device is guaranteed to work normally when being blocked by light, the diode 24 and the whole connecting structure are annularly arranged in the circular bottom frame 4, the annularly arranged connecting structure surrounds the periphery of the heat conducting circular frame 14, a plurality of radiating fins 8 which are annularly arranged are fixedly arranged in the heat conducting circular frame 14, and the radiating fins 8 extend out of the circular bottom frame 4, so that the contact area between the inside of the whole wiring device and the external space is increased, the heat generated by the diode 24 during working can be effectively transmitted to the air, the light spots generated by the wiring device due to high temperature can be rapidly eliminated, and the work of the wiring device is guaranteed to be normal;

in addition, the whole structure is a circular frame structure and is fixed on a solar photovoltaic panel through the mounting plate 7, and the whole wiring structure is three-dimensionally suspended.

Further, referring to fig. 3 and 7-10, an outer sleeve seat 31 is fixedly arranged on the surface of a cover plate 3 in the invention, a telescopic groove 38 is arranged in the outer sleeve seat 31, a telescopic block 33 is arranged in the telescopic groove 38 in a telescopic way, a spring 37 is connected between the telescopic block 33 and the inner side wall of the telescopic groove 38, a plurality of conical kerosene frames 36 are fixedly arranged on the inner side wall of a circular bottom frame 4, a rod sleeve 35 is integrally connected with the conical kerosene frames 36, a push rod 34 is arranged in the rod sleeve 35 in a telescopic way, the push rod 34 is fixedly connected with the telescopic block 33, a limiting hole 32 is arranged in the center of the telescopic block 33, the end part of a heat conducting round frame 14 extends into the limiting hole 32, a threaded connection column 42 is connected to the end part of the air inlet pipe 2 in a rotary way, an end plate 43 is integrally connected to the threaded connection column 42, a plurality of ventilation holes 41 are arranged on the threaded connection column 42 and 43 in a penetrating way, a conical pipe 16 is integrally connected to the left side and the right side below the circular bottom frame 4, a fine air pipe 15 is integrally connected to the conical pipe 16, the fine air pipe 15 is connected to the side wall 13 of the rectangular bottom frame 13, the fine air pipe 15 is fixedly connected to the inner side wall of the rectangular bottom frame 13, a rotary plate 39 is fixedly connected to the rotary push rod 39 is in a rotary sealing way, and one end of the fine air pipe 39 is fixedly connected to the rotary plate 40 is fixedly connected to the rotary push rod 33.

The air port pipe 2 is integrally connected to the left side and the right side of the lower end of the circular bottom frame 4, the threaded connecting column 42 with the air port hole 41 is arranged in the air port pipe 2, so that the inner space of the rectangular frame 13 can be communicated with the outer space through the fine air pipe 15, the conical pipe 16 and the air port hole 41, in a normal state, the sealing rotating plate 39 is rotatably arranged in the fine air pipe 15, the inner space of the rectangular frame 13 is not communicated with the outer space, when the temperature in the circular bottom frame 4 is too high, kerosene in the conical kerosene frame 36 is heated and expands, the ejector rod 34 connected with the end part of the kerosene is ejected, the telescopic block 33 is ejected into the outer sleeve seat 31, and the push rod 40 connected with the telescopic block 33 synchronously moves, so that the sealing rotating plate 39 is driven to rotate, and at the moment, the inner space of the rectangular frame 13 is communicated with the outer space, so that air in the rectangular frame 13 can flow, and the heat dissipation efficiency is further improved;

the tuyere pipe 2 is arranged downwards, so that water inflow in the inner space of the wiring device can be avoided.

Further, referring to fig. 11-12, a circulation pump 48 is installed in the annular frame 12 below the circular bottom frame 4, an inlet pipe orifice 47 and an outlet pipe orifice 50 are respectively connected to the input end and the output end of the circulation pump 48, a motor 49 is installed on the circulation pump 48, the output end of the motor 49 is fixedly connected with the central shaft of the circulation pump 48, the positive pole of the motor 49 is connected with the negative pole binding post 27 through a positive pole connecting piece 46, an insulating rod 30 is connected to the telescopic block 33, an upper electric shock head 29 is connected to the end of the insulating rod 30, a lower electric shock head 60 is connected to the negative pole end of the positive pole binding post 23, the lower electric shock head 60 is connected with the negative pole of the motor 49 through a negative pole connecting piece 51, a cooling seat 44 is fixedly arranged in the annular frame 12 in the circular bottom frame 4, a diode 24 is installed on the cooling seat 44, the outlet pipe orifice 50 is connected with one end of a cooling pipe 45, the other end of the cooling pipe 45 is wound on the outer surface of the circular heat conducting frame 14 and sequentially connected with the cooling seat 44 in the annular frame 12, the other end of the cooling pipe 45 is connected with the inlet pipe orifice 47, the cooling seat 44 comprises a cooling liquid frame 53, the left and right side and left side surfaces of the cooling liquid frame 53 are integrally connected with an upper end face of the upper clamping piece 52, the left side and right side of the cooling liquid frame 53 are connected with the left side and right side clamping piece 52, the left side and right side clamping piece 54 is connected with the left side and right side clamping piece 54, and left side and right side clamping piece 54 is arranged in the cooling liquid.

When the temperature in the rectangular frame 13 continues to rise, at this moment, the telescopic block 33 continuously stretches into the outer sleeve seat 31 until the upper electric shock head 29 connected with the telescopic block 33 is in contact with the lower electric shock head 60 on the positive terminal 23, at this moment, the motor 49 is connected with the positive terminal 23 and the negative terminal 27 in parallel, the motor 49 is a direct-current motor, the direct-current driving motor 49 generated through the solar photovoltaic panel works and drives the circulating pump 48 to work, the cooling pipe 45 and the cooling liquid in the cooling seat 44 are driven to circulate, it is worth mentioning that the cooling seat 44 comprises the elastic clamping piece 52 clamped at the periphery of the diode 24, and the elastic clamping piece 52 and the cooling liquid frame 53 are internally provided with the cooling liquid cavity 54, and the cooling liquid cavity 54 is used for cooling liquid circulation, so that heat generated by the diode 24 is directly taken away through flowing cooling liquid, the cooling pipe 45 is wrapped at the periphery of the heat conducting round frame 14, heat absorbed by the cooling liquid is directly cooled through air flow and external space contact, the direct water cooling of the diode 24 is finally realized, the cooling effect is excellent, the service life of the whole wiring device is greatly prolonged, and the motor is energy-saving, the power consumption can not be achieved all the time, and the time the energy is not consumed.

Further, the outer surface of the joint of the binding post 18 and the binding post 19 is sleeved with a sealing ring, the outer surface of the joint of the threaded connection post 42 and the end plate 43 is sleeved with a sealing ring, the sealing of the wire joint pipe 5 and the tuyere pipe 2 at the end part of the circular bottom frame 4 is ensured, and water inflow is avoided.

Further, the surface of the cover plate 3 is provided with a sealing groove 28, a rubber sealing ring is arranged in the sealing groove 28, and the end part of the circular bottom frame 4 is arranged in the sealing groove 28, so that the tight connection between the cover plate 3 and the circular bottom frame 4 is ensured, and water inflow is avoided.

Further, the connecting member 26 includes a side conductive piece 58, the side conductive piece 58 is connected with a connecting piece 59 by a connecting piece connecting screw 57, the connecting piece 59 is connected with a wire 55 by a wire connecting screw 56, the wire 55 is detachably connected with the connecting piece 59 by a screw connection between the side conductive piece 58 and the conductive piece 25, and the side conductive piece 58 is detachably connected with the connecting piece 59, so that the diode 24, the conductive piece 25, the positive terminal 23 and the negative terminal 27 are detachably mounted.

Further, the aperture of the tapered kerosene frame 36 is larger than the aperture of the rod sleeve 35, and when the kerosene in the tapered kerosene frame 36 expands due to heating, the aperture of the tapered kerosene frame 36 is larger than the aperture of the rod sleeve 35, so that the quick expansion of the kerosene in the tapered kerosene frame 36 can be ensured, the ejector rod 34 can be quickly ejected, the pushing force is not only improved, but also the effective ejection distance of the ejector rod 34 can be ensured, and the telescopic block 33 can be smoothly pushed into the telescopic groove 38.

Further, a sealing ring is sleeved on the outer surface of the end part of the heat conduction round frame 14, the end part of the heat conduction round frame 14 is arranged in the limiting hole 32 in the center of the telescopic block 33, and the sealing ring is used for isolating the inner space of the heat conduction round frame 14 and the inner space of the rectangular frame 13 and avoiding water inflow inside the rectangular frame 13.

The working principle of the invention is as follows: the photovoltaic wiring device comprises an external circular bottom frame, a rectangular frame 13 is fixedly arranged in the external circular bottom frame, an integrally connected annular frame 12 is adopted at the corners of the periphery of the rectangular frame 13, a diode 24 is arranged in the annular frame 12, the left side and the right side of the upper end of the circular bottom frame 4 are integrally connected with a wire joint pipe 5, a conductive rod 21 is inserted into a conductive connecting hole 17 at the end part of the wire joint pipe 5, the conductive rod 21 is electrically connected with a positive terminal 23 connected with a sealing block 22, the positive terminal 23 is electrically connected with an adjacent diode 24 through a connecting piece 26, the diode 24 is electrically connected with an adjacent conductive piece 25 through the connecting piece 26, finally, the connection of the positive terminal 23 and a negative terminal 27 is realized, the positive terminal 23 and the negative terminal 27 are respectively electrically connected with wiring cables 20 at the left side and the right side, the photovoltaic connector is also connected outside the wiring cables 20, the whole wiring device is fixedly arranged on a solar photovoltaic panel through a mounting plate 7, a photovoltaic connector is used for connecting a solar cell circuit inside the wiring device with an external circuit to transmit electric energy, a diode 24 is used for protecting a cell string to ensure that the wiring device can work normally when being blocked, the diode 24 and the whole connecting structure are annularly arranged in a round bottom frame 4, the annularly arranged connecting structure surrounds the periphery of a heat conducting round frame 14, a plurality of radiating fins 8 which are annularly arranged are fixedly arranged inside the heat conducting round frame 14, the radiating fins 8 extend out of the round bottom frame 4, the contact area between the inside of the whole wiring device and an external space is enlarged, the heat generated by the diode 24 during working can be effectively transmitted into the air, the light spots generated by the wiring device due to high temperature can be quickly eliminated, and the work of the wiring device can be ensured to be normal, the whole structure is a round frame structure and is fixed on a solar photovoltaic panel through the mounting plate 7, and the whole wiring structure is three-dimensionally suspended, so that compared with the existing flat box-shaped structure, the contact area with the external space is increased, besides radiating through the radiating fins, the heat can be radiated through the structure, and the normal operation of the device is further ensured;

when the temperature in the circular bottom frame 4 is too high, kerosene in the conical kerosene frame 36 is heated and expanded, the ejector rod 34 connected with the end part of the kerosene is ejected, so that the telescopic block 33 is ejected into the outer sleeve seat 31, the push rod 40 connected with the telescopic block 33 synchronously moves, so that the sealing rotating plate 39 is driven to rotate, at the moment, the inner space of the rectangular frame 13 is communicated with the outer space, so that air in the rectangular frame 13 flows, the heat dissipation effect is further improved, the tuyere pipe 2 is downwards arranged, and water inflow in the inner space of the wiring device can be avoided;

when the temperature in the rectangular frame 13 continues to rise, at this moment, the telescopic block 33 continuously stretches into the outer sleeve seat 31 until the upper electric shock head 29 connected with the telescopic block 33 is in contact with the lower electric shock head 60 on the positive electrode binding post 23, at this moment, the motor 49 is connected with the positive electrode binding post 23 and the negative electrode binding post 27 in parallel, the motor 49 is a direct current motor, the direct current driving motor 49 generated by a solar photovoltaic panel works and drives the circulating pump 48 to work, the cooling pipe 45 and the cooling liquid in the cooling seat 44 are driven to circulate, and it is worth mentioning that the cooling seat 44 comprises an elastic clamping piece 52 clamped at the periphery of the diode 24, and a cooling liquid cavity 54 is arranged in the elastic clamping piece 52 and the cooling liquid frame 53, and the cooling liquid cavity 54 is used for cooling liquid circulation, so that heat generated by the diode 24 is directly taken away by flowing cooling liquid, the cooling pipe 45 is wrapped at the periphery of the heat conducting round frame 14, heat absorbed by the cooling liquid is directly cooled by air current and external space contact, and finally the direct water cooling of the diode 24 is realized, the cooling effect is excellent, the service life of the whole wiring device is greatly prolonged, and the motor is not energy-saving when the motor reaches a certain temperature, and energy is not consumed all the time;

in summary, under normal conditions, the heat dissipation of the wiring device increases the contact area between the wiring device and the external space through the self-suspending structure, the central hollow structure and the plurality of radiating fins, so as to realize rapid heat dissipation, eliminate light spots, realize the communication between the internal space and the external space when the temperature increases gradually, realize air circulation, and radiate through circulating air.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a unsettled formula photovoltaic termination, includes circular underframe (4), its characterized in that: the utility model discloses a terminal, including circular underframe (4), round underframe (4) is provided with rectangle frame (13), the corner integration all around of rectangle frame (13) is provided with annular frame (12), be provided with diode (24) in annular frame (12), lateral wall all around in rectangle frame (13) is fixedly provided with conducting strip (25), the upper end left and right sides integration of circular underframe (4) is connected with wire joint pipe (5), be connected with terminal (18) through the screw thread rotation in wire joint pipe (5), terminal (18) integration is connected with connector lug (19), terminal (19) integration is connected with wiring cable (20), terminal (18)'s tip wears to be equipped with conductive connecting hole (17), wire joint pipe (5) internal fixation is provided with sealing block (22), sealing block (22) fixedly connected with conducting rod (21), sealing block (22) in wire joint pipe (5) of left and right sides are connected with terminal (23) and negative pole (27) respectively through connecting piece (26) to grafting, terminal (27) and negative pole (27) are fixed on terminal (13), the utility model discloses a heat conduction device, including rectangle frame (13), connecting piece (25), positive terminal (23), connecting piece (26), connecting post (11) are fixedly arranged around in circle frame (4), connecting hole (10) are worn to be equipped with on connecting post (11), the rear end of circle frame (4) is connected with apron (3), wear to be equipped with a plurality of mounting bolts (1) on apron (3), connecting hole (10) in mounting bolt (1) and the circle frame (4) pass through threaded rotation connection, heat dissipation hole (9) are worn to be equipped with in the centre of circle frame (4), heat dissipation hole (9) department integration in the circle frame (4) is connected with heat conduction circle frame (14), circle frame (14) inside wall fixedly provided with connecting hole (10) on connecting post (11), circle frame (6) are arranged in circle frame (6) are fixed in connection on a plurality of vertical plates (6), the diode (24) and the conducting strip (25) and the connecting piece (26) connected with the diode are annularly arranged in the round bottom frame (4), the annularly arranged diode (24), the conducting strip (25) and the connecting piece (26) encircle the periphery of the heat conduction round frame (14), a plurality of radiating fins (8) which are annularly arranged are fixedly arranged in the heat conduction round frame (14), and the radiating fins (8) extend out of the round bottom frame (4).

2. A suspended photovoltaic wiring device as claimed in claim 1, wherein: cover (3) fixed surface is provided with overcoat seat (31), be provided with flexible groove (38) in overcoat seat (31), flexible piece (33) of installing in flexible groove (38), be connected with spring (37) between flexible piece (33) and flexible groove (38) inside wall, fixed a plurality of toper kerosene frame (36) that are provided with on circular underframe (4) inside wall, toper kerosene frame (36) integration is connected with pole cover (35), flexible ejector pin (34) of installing in pole cover (35), ejector pin (34) and flexible piece (33) fixed connection, the center of flexible piece (33) is provided with spacing hole (32), the tip of heat conduction circle frame (14) stretches into setting in spacing hole (32).

3. A suspended photovoltaic wiring device as claimed in claim 2, wherein: the utility model discloses a circular underframe (4) lower extreme left and right sides integration is connected with wind gap pipe (2), the tip of wind gap pipe (2) is connected with threaded connection post (42) through the screw thread rotation, threaded connection post (42) integration is connected with end plate (43), wear to be equipped with a plurality of ventilation holes (41) on threaded connection post (42) and end plate (43), the below left and right sides integration in circular underframe (4) is connected with conical tube (16), conical tube (16) integration is connected with fine air pipe (15), fine air pipe (15) are connected with rectangle frame (13) lateral wall, fine air pipe (15) and rectangle frame (13) internal communication, seal rotating plate (39) are installed in fine air pipe (15) internal rotation, the surface rotation of seal rotating plate (39) is connected push rod (40) one end, the push rod (40) other end and telescopic block (33) fixed connection.

4. A suspended photovoltaic wiring device according to claim 3, characterized in that: the utility model discloses a circular electric shock device, including circular underframe (4), annular frame (12) of the lower side in circular underframe (4) is interior installs circulating pump (48), the input and the output of circulating pump (48) are connected with water inlet pipe mouth (47) and water outlet pipe mouth (50) respectively, install motor (49) on circulating pump (48), motor (49) output and circulating pump (48) center pin fixed connection, be connected through anodal connecting piece (46) between anodal and negative pole terminal (27) of motor (49), be connected with insulator spindle (30) on telescopic block (33), insulator spindle (30) end connection has upper electric shock head (29), the negative pole end on positive pole terminal (23) is connected with lower electric shock head (60), be connected through negative pole connecting piece (51) between the negative pole of lower electric shock head (60) and motor (49), be provided with cooling seat (44) in annular frame (12) in circular underframe (4) fixedly, diode (24) are installed on cooling seat (44), water outlet pipe (50) end connection has upper electric shock head (29), the negative pole end connection of electric shock head (60) is connected with cooling tube (45) in proper order in annular frame (14), the other end of the cooling pipe (45) is connected with a water inlet pipe orifice (47).

5. The suspended photovoltaic wiring device of claim 4, wherein: the cooling seat (44) comprises a cooling liquid frame (53), the left side and the right side of the upper end face of the cooling liquid frame (53) are integrally connected with elastic clamping pieces (52), a cooling liquid cavity (54) is arranged in the cooling liquid frame (53) and the elastic clamping pieces (52), the cooling liquid cavity (54) is communicated with a cooling pipe (45), and the diode (24) is arranged between the elastic clamping pieces (52) on the left side and the right side.

6. The suspended photovoltaic wiring device of claim 5, wherein: the outer surface of the joint of the binding post (18) and the binding post (19) is sleeved with a sealing ring, and the outer surface of the joint of the threaded connecting post (42) and the end plate (43) is sleeved with a sealing ring.

7. The suspended photovoltaic wiring device of claim 6, wherein: the surface of apron (3) is provided with seal groove (28), be provided with rubber seal in seal groove (28), the tip of circular underframe (4) is arranged in seal groove (28).

8. The suspended photovoltaic wiring device of claim 7, wherein: the connecting piece (26) comprises a side conducting strip (58), the side conducting strip (58) is connected with a connecting piece (59) through a connecting piece connecting screw (57), and the connecting piece (59) is connected with a wire (55) through a wire connecting screw (56).

9. The suspended photovoltaic wiring device of claim 8, wherein: the aperture of the conical kerosene frame (36) is larger than that of the rod sleeve (35).

10. The suspended photovoltaic wiring device of claim 9, wherein: and a sealing ring is sleeved on the outer surface of the end part of the heat conduction round frame (14).