CN214506993U

CN214506993U - Photovoltaic combiner box for photovoltaic inverter

Info

Publication number: CN214506993U
Application number: CN202120800087.6U
Authority: CN
Inventors: 李满; 贺旭光
Original assignee: 713th Research Institute of CSIC
Current assignee: 713th Research Institute of CSIC
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-10-26
Anticipated expiration: 2031-04-19

Abstract

The utility model discloses a photovoltaic conflux case for photovoltaic inverter relates to the photovoltaic technology field, comprising a base plate, the top fixedly connected with photovoltaic conflux case of bottom plate, one side of photovoltaic conflux case articulates there is insulating lid, one side fixedly connected with handle of photovoltaic conflux case is kept away from to insulating lid, the inside of photovoltaic conflux case is equipped with insulating intermediate layer. This a photovoltaic conflux case for photovoltaic inverter, through the current collection device, insulating interlayer, it sets up to lead electrical pillar, the cooperation of current conducting plate and insulating rubber crust, after photovoltaic conflux case carries out work for a long time, inside various current exchange components and parts have residual current, insulating interlayer and insulating lid guarantee that residual current can not reveal the outside of device, reach the effect of shifting the collection to the residual current of photovoltaic conflux incasement portion, the practicality of device has been improved, guarantee that photovoltaic conflux incasement portion's residual current can not scurry in the outside of device in disorder.

Description

Photovoltaic combiner box for photovoltaic inverter

Technical Field

The utility model relates to a photovoltaic technology field specifically is a photovoltaic conflux case for photovoltaic inverter.

Background

The photovoltaic combiner box is a device for combining multiple paths of photovoltaic outputs into one path of output, in the related technology, a photovoltaic power generation system mainly comprises a photovoltaic array, a photovoltaic combiner box and an inverter, the photovoltaic array receives solar energy and converts the solar energy into electric energy, the combiner box collects the electric energy of the photovoltaic array onto a direct current bus, and the inverter converts the electric energy on the direct current bus into alternating current and then merges the alternating current into a power grid. The current photovoltaic conflux case for photovoltaic inverter is not convenient for place the eminence at the dead lever.

The current photovoltaic conflux case for photovoltaic inverter is not convenient for place insulating the effect relatively poor in the eminence of dead lever.

Therefore, it is necessary to provide a photovoltaic combiner box for a photovoltaic inverter to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a photovoltaic conflux case for photovoltaic inverter to solve the current photovoltaic conflux case for photovoltaic inverter who proposes among the above-mentioned background art and be not convenient for place the relatively poor problem of insulating effect in the eminence of dead lever in.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a photovoltaic combiner box for a photovoltaic inverter comprises a bottom plate, wherein a photovoltaic combiner box is fixedly connected to the top end of the bottom plate, an insulating cover is hinged to one side of the photovoltaic combiner box, a handle is fixedly connected to one side, away from the photovoltaic combiner box, of the insulating cover, an insulating interlayer is arranged inside the photovoltaic combiner box, conductive columns are arranged at four corners of the inner side of the photovoltaic combiner box, the bottom ends of the conductive columns are fixedly connected with conductive plates, one side of the top ends of the conductive plates is fixedly connected with a connecting knot, the inside, away from the conductive plates, of the connecting knot is fixedly connected with an insulating rubber skin, the inside of the insulating rubber skin is fixedly connected with a conductive copper wire, one end of the photovoltaic combiner box is fixedly connected with a connecting plate, the other end of the photovoltaic combiner box is fixedly connected with a clamping seat, the inside of the clamping seat is movably connected with a current collecting device, and the bottom end of the current collecting device is fixedly connected with a conductive copper wire, a positioning block is fixedly connected to the middle part of one end of the connecting plate, which is far away from the photovoltaic combiner box, a synchronous bidirectional hydraulic rod is fixedly connected to the inner part of the positioning block, clamping shells are fixedly connected to both ends of the synchronous bidirectional hydraulic rod, a sliding groove is arranged in the middle part of the inner side of each clamping shell, clamping grooves are arranged on both sides of the sliding groove, a driving block is movably connected to the inner side of the sliding groove, a positioning plate is fixedly connected to one end, which is far away from the sliding groove, of the driving block, a hydraulic rod is fixedly connected to both ends of one side, which is far away from the driving block, of the positioning plate, a positioning seat is fixedly connected to one end, which is far away from the positioning plate, of the positioning seat, an arc-shaped sucker is fixedly connected to both ends of one side, which is near to the positioning plate, a vacuumizing device is fixedly connected to one end, which is near to the other end of the positioning seat, and the output ends of the inflating device and the vacuumizing device are fixedly connected with a conveying pipeline, and two ends of the conveying pipeline are fixedly connected with arc-shaped suckers.

Preferably, there are four conducting posts, four conducting posts are symmetrically distributed in the photovoltaic combiner box, and the four conducting posts are all perpendicular to the conducting plate.

Preferably, the number of the clamping shells is two, and the two clamping shells are symmetrically distributed on two sides of the synchronous bidirectional hydraulic rod.

Preferably, the number of the hydraulic rods is four, the four hydraulic rods are symmetrically distributed on one side of the positioning plate, and the four hydraulic rods are perpendicular to the positioning seat.

Preferably, there are four clamping grooves, and the four clamping grooves are symmetrically distributed on two sides of the sliding groove.

Preferably, the number of the positioning seats is two, and the two positioning seats are symmetrically distributed on the inner side of the clamping shell.

Preferably, there are two sliding chutes, two of which are symmetrically distributed on the inner side of the clamping shell, and the width of the two sliding chutes is equal to the width of the driving block.

Preferably, the number of the positioning plates is two, and the two positioning plates are symmetrically distributed on one side of the driving block.

(III) advantageous effects

Compared with the prior art, the utility model provides a photovoltaic conflux case for photovoltaic inverter possesses following beneficial effect:

1. the photovoltaic combiner box for the photovoltaic inverter is characterized in that a synchronous bidirectional hydraulic rod, a driving block, arc-shaped suckers and a conveying pipeline are arranged in a matched mode, when a device needs to be installed on a fixed rod at a higher position, the synchronous bidirectional hydraulic rod is started, the synchronous bidirectional hydraulic rod pushes two clamping shells to be separated under the positioning of a positioning block, the four arc-shaped suckers are placed on the outer side of the fixed rod, the two clamping shells are combined and clamped by the synchronous bidirectional hydraulic rod again, the hydraulic rod is started, the hydraulic rod extrudes a positioning seat, the positioning seat extrudes the arc-shaped suckers, the arc-shaped suckers are in contact with the fixed rod, a vacuumizing device is started, the vacuumizing device extracts air in all the arc-shaped suckers by utilizing the conveying pipeline, the arc-shaped suckers are in close contact with the fixed rod, when the device begins to climb, an inflating device on one side is started, the inflating device utilizes the conveying pipeline to inflate the air in the arc-shaped suckers on one side, the arc sucking disc and the dead lever separation of one side start the drive block, and the drive block rises the positioning seat of one side under the restriction of draw-in groove and spout, closes aerating device, and reuse evacuating device is with the arc sucking disc and the dead lever in close contact with of one side, and the above-mentioned step is repeated to the arc sucking disc of opposite side, reaches the effect that drives the photovoltaic conflux case and carry out the climbing, has improved the practicality of device, guarantees that the photovoltaic conflux case is installed suitable height.

2. The photovoltaic combiner box for the photovoltaic inverter is characterized in that the photovoltaic combiner box is arranged by matching a current collecting device, an insulating interlayer, a conductive column, a conductive plate and an insulating rubber sheath, when the photovoltaic combiner box works for a long time, various current exchange components inside the photovoltaic combiner box can generate residual current, the insulating interlayer and an insulating cover ensure that the residual current cannot leak to the outer side of the device, the conductive column collects and transfers the residual current to the conductive plate, the current inside the conductive plate is transferred to the inside of a conductive copper wire through a connecting joint, the insulating rubber sheath prevents the current on the conductive copper wire from leaking, the current on the conductive copper wire is transferred to the current collecting device inside a clamping seat, the current collecting device collects the residual current inside the photovoltaic combiner box, only the current inside the current collecting device needs to be regularly processed, and the effect of transferring and collecting the residual current inside the photovoltaic combiner box is achieved, the practicality of device has been improved, guarantees that the inside residual current of photovoltaic collection flow box can not scurry in disorder in the outside of device.

Drawings

FIG. 1 is an axial view of the structure of the present invention;

FIG. 2 is a partial axial view of the structure of the present invention;

FIG. 3 is a partial axial view of the structure of the present invention;

fig. 4 is a schematic partial sectional view of the structure of the present invention.

In the figure: 1. a base plate; 2. an insulating rubber sheath; 3. a card holder; 4. a current collection device; 5. a handle; 6. an insulating cover; 7. a connecting plate; 8. clamping the shell; 9. positioning a plate; 10. a hydraulic lever; 11. a conductive copper wire; 12. a vacuum pumping device; 13. an inflator; 14. positioning seats; 15. a delivery conduit; 16. positioning blocks; 17. a synchronous bidirectional hydraulic rod; 18. an arc-shaped sucker; 19. a chute; 20. a card slot; 21. a drive block; 22. a conductive post; 23. an insulating interlayer; 24. a conductive plate; 25. connecting the knot; 26. photovoltaic conflux case.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a photovoltaic combiner box for a photovoltaic inverter includes a bottom plate 1, a photovoltaic combiner box 26 is fixedly connected to a top end of the bottom plate 1, an insulating cover 6 is hinged to one side of the photovoltaic combiner box 26, a handle 5 is fixedly connected to a side of the insulating cover 6 away from the photovoltaic combiner box 26, an insulating interlayer 23 is disposed inside the photovoltaic combiner box 26, four conductive posts 22 are disposed at four corners of an inner side of the photovoltaic combiner box 26, the four conductive posts 22 are symmetrically distributed inside the photovoltaic combiner box 26, the four conductive posts 22 are perpendicular to the conductive plate 24, so as to collect and transfer residual currents at various places inside the photovoltaic combiner box 26 to an inside of the conductive plate 24, the conductive plate 24 is fixedly connected to a bottom end of the conductive post 22, a connecting node 25 is fixedly connected to a side of a top end of the conductive plate 24, the connecting node 25 is fixedly connected to an insulating rubber skin 2 away from an inside of the conductive plate 24, the inside of the insulating rubber sheath 2 is fixedly connected with a conductive copper wire 11, one end of the photovoltaic combiner box 26 is fixedly connected with a connecting plate 7, the other end of the photovoltaic combiner box 26 is fixedly connected with a clamping seat 3, the inside of the clamping seat 3 is movably connected with a current collecting device 4, through the matching arrangement of the current collecting device 4, the insulating interlayer 23, the conductive column 22, the conductive plate 24 and the insulating rubber sheath 2, when the photovoltaic combiner box 26 works for a long time, various current exchange components inside have residual current, the insulating interlayer 23 and the insulating cover 6 ensure that the residual current cannot leak to the outer side of the device, the conductive column 22 collects and transfers the residual current to the conductive plate 24, the current inside the conductive plate 24 is transferred to the inside of the conductive copper wire 11 through a connecting joint 25, the insulating rubber sheath 2 prevents the current on the conductive copper wire 11 from leaking, and the current on the conductive copper wire 11 is transferred to the current collecting device 4 inside the clamping seat 3, the current collecting device 4 collects the residual current in the photovoltaic combiner box 26, the current in the current collecting device 4 is only required to be processed regularly, the effect of transferring and collecting the residual current in the photovoltaic combiner box 26 is achieved, the practicability of the device is improved, the residual current in the photovoltaic combiner box 26 cannot flow in disorder outside the device, the bottom end of the current collecting device 4 is fixedly connected with a conductive copper wire 11, the middle part of one end, far away from the photovoltaic combiner box 26, of the connecting plate 7 is fixedly connected with a positioning block 16, the inside of the positioning block 16 is fixedly connected with a synchronous bidirectional hydraulic rod 17, through the matching arrangement of the synchronous bidirectional hydraulic rod 17, the hydraulic rod 10, the driving block 21, the arc-shaped sucker 18 and the conveying pipeline 15, when the device needs to be installed on a fixed rod at a higher position, the synchronous bidirectional hydraulic rod 17 is started, the synchronous bidirectional hydraulic rod 17 pushes the two clamping shells 8 to be separated under the positioning of the positioning block 16, placing four arc-shaped suckers 18 at the outer side of a fixed rod, combining and clamping two clamping shells 8 by using a synchronous bidirectional hydraulic rod 17 again, starting a hydraulic rod 10, extruding a positioning seat 14 by the hydraulic rod 10, extruding the arc-shaped suckers 18 by the positioning seat 14, contacting the arc-shaped suckers 18 with the fixed rod, starting a vacuumizing device 12, pumping out air in all the arc-shaped suckers 18 by the vacuumizing device 12 through a conveying pipeline 15, enabling the arc-shaped suckers 18 to be in close contact with the fixed rod, starting an inflating device 13 at one side when the device begins to climb, inflating the inflating device 13 by utilizing the conveying pipeline 15 to inflate air in the arc-shaped suckers 18 at one side, separating the arc-shaped suckers 18 at one side from the fixed rod, starting a driving block 21, lifting the positioning seat 14 at one side by the driving block 21 under the limitation of a clamping groove 20 and a sliding groove 19, closing the inflating device 13, and contacting the arc-shaped suckers 18 at one side with the fixed rod again by using the vacuumizing device 12, the arc-shaped sucker 18 on the other side repeats the steps to achieve the effect of driving the photovoltaic combiner box 26 to climb, the practicability of the device is improved, the photovoltaic combiner box 26 is ensured to be installed at a proper height, two clamping shells 8 are fixedly connected to both ends of the synchronous bidirectional hydraulic rod 17, two clamping shells 8 are arranged, the two clamping shells 8 are symmetrically distributed on both sides of the synchronous bidirectional hydraulic rod 17 to ensure that the sliding grooves 19 and the clamping grooves 20 are positioned, the middle part of the inner side of each clamping shell 8 is provided with the sliding groove 19, the sliding grooves 19 are provided with two sliding grooves 19, the two sliding grooves 19 are symmetrically distributed on the inner side of the clamping shell 8, the widths of the two sliding grooves 19 are equal to the width of the driving block 21 to provide a motion track for the movement of the driving block 21, the driving block 21 can smoothly move in the sliding groove 19, the clamping grooves 20 are arranged on both sides of the sliding groove 19, the clamping grooves 20 are provided with four clamping grooves 20, and the four clamping grooves 20 are symmetrically distributed on both sides of the sliding groove 19, the device provides a reference for the movement of the driving block 21, so that the driving block 21 can stably move in the sliding groove 19 under the limitation of the clamping groove 20, the driving block 21 is movably connected to the inner side of the sliding groove 19, the end, away from the sliding groove 19, of the driving block 21 is fixedly connected with two positioning plates 9, the two positioning plates 9 are symmetrically distributed on one side of the driving block 21 to ensure that a stable stress base is provided for the hydraulic rod 10, so that the hydraulic rod 10 can stably push the positioning seat 14 to move, the two ends, away from the driving block 21, of one side of the positioning plate 9 are fixedly connected with the hydraulic rods 10, the number of the hydraulic rods 10 is four, the four hydraulic rods 10 are symmetrically distributed on one side of the positioning plate 9, the four hydraulic rods 10 are perpendicular to the positioning seat 14 to ensure that the positioning seat 14 can stably move while the positioning seat 14 is stably supported, so that the arc-shaped suckers 18 at the two ends of the positioning seat 14 can be simultaneously contacted with and separated from the fixed rod, one end fixedly connected with positioning seat 14 that locating plate 9 was kept away from to hydraulic stem 10, positioning seat 14 has two, two positioning seat 14 symmetric distribution are in the inboard of pressing from both sides tight shell 8, provide the location basis for arc sucking disc 18, make arc sucking disc 18 can stabilize the side of extrusion dead lever under positioning seat 14's the bearing, positioning seat 14 keeps away from the equal fixedly connected with arc sucking disc 18 in one side both ends of hydraulic stem 10, positioning seat 14 is close to inboard one end fixedly connected with evacuating device 12 of locating plate 9, positioning seat 14 is close to inboard other end fixedly connected with aerating device 13 of locating plate 9, aerating device 13 and evacuating device 12's output fixedly connected with pipeline 15, the equal fixedly connected with arc sucking disc 18 in pipeline 15's both ends.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: when the device works and needs to be installed on a fixed rod at a higher position, a synchronous bidirectional hydraulic rod 17 is started, the synchronous bidirectional hydraulic rod 17 pushes two clamping shells 8 to be separated under the positioning of a positioning block 16, four arc-shaped suckers 18 are placed on the outer sides of the fixed rod, the two clamping shells 8 are combined and clamped by the synchronous bidirectional hydraulic rod 17 again, a hydraulic rod 10 is started, the hydraulic rod 10 extrudes a positioning seat 14, the positioning seat 14 extrudes the arc-shaped suckers 18, the arc-shaped suckers 18 are in contact with the fixed rod, a vacuumizing device 12 is started, the vacuumizing device 12 extracts air in all the arc-shaped suckers 18 by using a conveying pipeline 15, the arc-shaped suckers 18 are in close contact with the fixed rod, when the device begins to climb, an inflating device 13 at one side is started, the inflating device 13 inflates air in the arc-shaped suckers 18 at one side by using the conveying pipeline 15, the arc-shaped suckers 18 at one side are separated from the fixed rod, starting the driving block 21, the driving block 21 lifts the positioning seat 14 on one side under the limitation of the clamping groove 20 and the sliding groove 19, closing the inflating device 13, making the arc-shaped sucker 18 on one side tightly contact with the fixed rod by using the vacuumizing device 12 again, repeating the steps by using the arc-shaped sucker 18 on the other side, achieving the effect of driving the photovoltaic combiner box 26 to climb, ensuring that the photovoltaic combiner box 26 is installed at a proper height, ensuring that various current exchange components inside the photovoltaic combiner box 26 have residual current after long-term work, ensuring that the residual current cannot leak to the outer side of the device by the insulating interlayer 23 and the insulating cover 6, collecting and transferring the residual current to the conductive plate 24 by the conductive column 22, transferring the current inside the conductive plate 24 to the inside of the conductive copper wire 11 through the connecting joint 25, preventing the current on the conductive copper wire 11 from leaking by the insulating rubber sheath 2, transferring the current on the conductive copper wire 11 to the current collecting device 4 inside the clamping seat 3, current collection device 4 collects the inside residual current of photovoltaic collection flow box 26, only need regularly handle the inside electric current of current collection device 4 can, reach the effect of transferring the collection to the inside residual current of photovoltaic collection flow box 26, guarantee that the inside residual current of photovoltaic collection flow box 26 can not scurry in disorder in the outside of device.

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

1. A photovoltaic combiner box for a photovoltaic inverter, comprising a base plate (1), characterized in that: the photovoltaic junction box comprises a bottom plate (1), an insulating cover (6) is hinged to one side of the photovoltaic junction box (26), one side, far away from the photovoltaic junction box (26), of the insulating cover (6) is fixedly connected with a handle (5), an insulating interlayer (23) is arranged inside the photovoltaic junction box (26), four corners of the inner side of the photovoltaic junction box (26) are respectively provided with a conductive column (22), the bottom end of the conductive column (22) is fixedly connected with a conductive plate (24), one side, far away from the top end of the conductive plate (24), of the connecting joint (25), the inner portion, far away from the conductive plate (24), of the connecting joint (25) is fixedly connected with an insulating rubber sheath (2), the inner portion of the insulating rubber sheath (2) is fixedly connected with a conductive copper wire (11), and one end of the photovoltaic junction box (26) is fixedly connected with a connecting plate (7), the other end of the photovoltaic combiner box (26) is fixedly connected with a clamping seat (3), the inside of the clamping seat (3) is movably connected with a current collecting device (4), the bottom end of the current collecting device (4) is fixedly connected with a conductive copper wire (11), the middle part of one end, far away from the photovoltaic combiner box (26), of the connecting plate (7) is fixedly connected with a positioning block (16), the inside of the positioning block (16) is fixedly connected with a synchronous bidirectional hydraulic rod (17), two ends of the synchronous bidirectional hydraulic rod (17) are both fixedly connected with clamping shells (8), the middle part of the inner sides of the clamping shells (8) is provided with a sliding groove (19), two sides of the sliding groove (19) are both provided with clamping grooves (20), the inner sides of the sliding groove (19) are movably connected with a driving block (21), one end, far away from the sliding groove (19), of the driving block (21) is fixedly connected with a positioning plate (9), the utility model discloses a pneumatic conveying device, including locating plate (9), the equal fixedly connected with hydraulic stem (10) in one side both ends that drive block (21) was kept away from in locating plate (9), the one end fixedly connected with positioning seat (14) of locating plate (9) are kept away from in hydraulic stem (10), the equal fixedly connected with arc sucking disc (18) in one side both ends that hydraulic stem (10) were kept away from in positioning seat (14), inboard one end fixedly connected with evacuating device (12) that positioning seat (14) are close to locating plate (9), inboard other end fixedly connected with aerating device (13) that positioning seat (14) are close to locating plate (9), aerating device (13) and evacuating device (12)'s output fixedly connected with pipeline (15), the equal fixedly connected with arc sucking disc (18) in both ends of pipeline (15).

2. The photovoltaic combiner box for a photovoltaic inverter of claim 1, wherein: the number of the conductive columns (22) is four, the four conductive columns (22) are symmetrically distributed in the photovoltaic header box (26), and the four conductive columns (22) are perpendicular to the conductive plate (24).

3. The photovoltaic combiner box for a photovoltaic inverter of claim 1, wherein: the two clamping shells (8) are symmetrically distributed on two sides of the synchronous bidirectional hydraulic rod (17).

4. The photovoltaic combiner box for a photovoltaic inverter of claim 1, wherein: the hydraulic device is characterized in that the number of the hydraulic rods (10) is four, the four hydraulic rods (10) are symmetrically distributed on one side of the positioning plate (9), and the four hydraulic rods (10) are perpendicular to the positioning seat (14).

5. The photovoltaic combiner box for a photovoltaic inverter of claim 1, wherein: the number of the clamping grooves (20) is four, and the four clamping grooves (20) are symmetrically distributed on two sides of the sliding groove (19).

6. The photovoltaic combiner box for a photovoltaic inverter of claim 1, wherein: the number of the positioning seats (14) is two, and the two positioning seats (14) are symmetrically distributed on the inner side of the clamping shell (8).

7. The photovoltaic combiner box for a photovoltaic inverter of claim 1, wherein: the number of the sliding grooves (19) is two, the two sliding grooves (19) are symmetrically distributed on the inner side of the clamping shell (8), and the width of the two sliding grooves (19) is equal to that of the driving block (21).

8. The photovoltaic combiner box for a photovoltaic inverter of claim 1, wherein: the number of the positioning plates (9) is two, and the two positioning plates (9) are symmetrically distributed on one side of the driving block (21).