CN220830196U - Photovoltaic grid-connected box safety device - Google Patents

Abstract

The utility model discloses a photovoltaic grid-connected box safety device, which comprises a safety box, wherein movable seats are arranged at four corners of the bottom of the safety box, ventilation openings are formed in the bottoms of two sides of the safety box, mounting grooves are formed in two sides of the inside of the safety box, screw rods are sleeved on the tops of the insides of the two groups of mounting grooves, lifting sleeves with thread adaptation are sleeved on the outsides of the two groups of screw rods, and the bottoms of the two groups of lifting sleeves extend to the outside of the safety box and are provided with supporting bottom plates; according to the utility model, the lifting structure is respectively connected with the ventilation sealing structure of the sealing plate and the positioning supporting structure of the supporting bottom plate by utilizing the automatic lifting adjustment of the two groups of lifting sleeves, so that the two groups of sealing plates and the ventilation opening are blocked and sealed by the safety device in rainy season through the linkage fit of the structure, the outside rainwater is prevented from penetrating into the device, and the whole device is lifted through the unfolding fit of the supporting bottom plate, so that the excessive accumulated water is prevented from penetrating into the device.

Description

Photovoltaic grid-connected box safety device

Technical Field

The utility model relates to the technical field of photovoltaic power generation, in particular to a photovoltaic grid-connected box safety device.

Background

The photovoltaic power generation is a technology for directly converting light energy into electric energy by utilizing the photovoltaic effect of a semiconductor interface, and mainly comprises three parts of a solar panel (component), a controller and an inverter, wherein in the photovoltaic power generation process, a plurality of electrical equipment is required, and a safety device for an alternating current grid-connected box is required to be equipped;

The patent number CN217848745U discloses a photovoltaic power generation ac grid-connected box safety device, the device is mainly through setting up bearing structure and mounting structure and can be fine rise the box with fixed, avoided current box direct placement in the ground when the installation, lead to the rainwater on ground to contact with the bottom half, and then lead to the bottom half to intake and wet, lead to the problem that the inside original paper of box damaged, through set up waterproof construction at the box top, wherein the breakwater adopts plug-in type installation, make things convenient for the dismantlement and the installation of breakwater, the setting of breakwater can have fine protection to the box simultaneously, avoided current box direct with the rainwater contact, lead to the box rust, the inside original paper of box is intake wet, cause the problem that the inside original paper of box damaged, but when the device in-service use, still has following defect:

Above-mentioned patent is mainly through setting up the breakwater, to the box protection, the rising of utilizing the box is fixed to avoid rainwater infiltration device inside, but this structure is when actual protection, need with the device manual regulation just can avoid the erosion of rainwater to rising, can't change according to the change of weather, make the occupation area of device too big, and the ventilative structure of outside setting is difficult to seal fast, thereby lead to the rainwater to drop at the device inside at the inclined plane easily under the effect of wind, reduce the outside waterproof performance of device, and the device is difficult to the device position removal owing to set up rising structure, increase the limitation and the inconvenience of device.

Disclosure of utility model

The utility model aims to provide a photovoltaic grid-connected box safety device for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a photovoltaic grid-connected box safety device, includes the safety box, the four corners department of safety box bottom installs the removal seat, the vent has been seted up to the bottom of safety box both sides, the mounting groove is installed to the both sides of safety box inside, two sets of the inside top cover of mounting groove is equipped with the lead screw, two sets of the outside cover of lead screw is equipped with the lift sleeve of screw thread adaptation, two sets of the bottom extension of lift sleeve to the outside of safety box and installs the supporting baseplate, two sets of the top of mounting groove is equipped with the installation storehouse, and the top of installation storehouse and inside both sides are equipped with servo motor and bull stick respectively, the intermediate position department in servo motor's output and the bull stick outside is equipped with the first cone gear set of meshing fit, the both sides in the bull stick outside and the top of two sets of lead screw are equipped with the second cone gear set of meshing fit;

Four groups of guide posts are installed at the two ends of the top and the bottom of the safe box, guide pipes which are in sliding fit are arranged on the outer sides of the guide posts, sealing plates are installed at one ends, close to each other, of the guide pipes, two groups of guide pipes are connected with each other, a connecting block is connected between each lifting sleeve and each sealing plate, a ventilation clamping groove is formed in the middle position of the bottom of the safe box, a sealing clamping seat which is in sealing clamping with the ventilation clamping groove is installed in the middle position of the top of the supporting bottom plate, an installation table is arranged in the middle position of the bottom of the safe box, sleeves are arranged on the two sides of the inner side of the installation table, clamping rods and springs which are in elastic connection with the clamping rods are sleeved on the inner sides of the sleeves respectively, a placing table is arranged at the top of the installation table, and clamping grooves which are positioned by clamping rods are clamped are formed in the two sides of the bottom of the placing table.

Preferably, the top of ventilation draw-in groove inboard is equipped with the filter screen board, the ventilation draw-in groove is the intermediate position department that the toper structure set up in the safety box bottom, the outside of sealed cassette is equipped with the rubber pad, the outside of sealed cassette is toper structure and ventilation draw-in groove card suitable cooperation, improves the leakproofness and the fixed efficiency of sealed cassette and ventilation draw-in groove block.

Preferably, the guide slot has been seted up to the inside both sides of mount table, place the both sides of platform be equipped with the spacing gliding guide block of guide slot, place the inside of platform and be made by honeycomb panel structure, improve the operability and the convenience of placing platform dismouting work.

Preferably, the two groups of lifting sleeves and the sealing plates are connected through connecting blocks, the two groups of sealing plates synchronously move under the vertical lifting of the lifting sleeves, and the sealing plates are synchronously driven to seal and protect the ventilation structure when the device is lifted.

Preferably, the front one end of the safety box is provided with a bin gate, a handle is arranged at the middle position of the bin gate, a protective cover is arranged at the bottoms of two sides of the safety box, the bin gate is convenient to open, and overhaul and disassembly work is carried out inside the safety device.

Preferably, one end of each of the two groups of clamping rods is provided with a handle, the handles extend out of the sleeve, and the handles are arranged in a mounting manner so as to facilitate pulling the handles to drive the clamping rods to force the springs to elastically compress.

The utility model provides a photovoltaic grid-connected box safety device, which at least comprises the following beneficial effects:

1. Utilize two sets of lift sheathed tube automatic rising to adjust, make this elevation structure respectively with the ventilative seal structure of closing plate and the location bearing structure interconnect of supporting baseplate, pass through the linkage cooperation of this structure, make safety device shelter from two sets of closing plates and vent when rainy season and seal, avoid external rainwater infiltration device inside, and through the expansion cooperation of supporting baseplate, not only make the whole rising of device, avoid ponding volume too high infiltration device inside, open the block ventilation department of seal cassette and ventilation draw-in groove simultaneously, thereby utilize the ventilation draw-in groove of bottom surface structure to dispel the heat to the device and exhaust, increase the functionality and the safety protection nature of device, and utilize the automatic shrink regulation of structure, be convenient for change according to the change of weather, the unable safety protection according to weather change of current device and manual regulation's inconvenience of operation have been solved.

2. Utilize to place the inboard block location structure of platform at the mount table, conveniently will place the platform and take out the separation alone from the safe incasement, so that the assembly is carried out to the structural component of photovoltaic grid-connected box in the device outside, thereby the inboard of mount table is put into to stability, the assembly is stable under the calibration of two sets of draw-in bars and draw-in grooves, improve the flexibility and the convenience of device actual operation, and utilize elevation structure's regulation shrink, can utilize four sets of movable seat and ground contact in the normal time, so that make the device position remove, the convenience is carried the removal to the device of shrink state is whole.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is an enlarged schematic view of the structure A of FIG. 2 according to the present utility model;

fig. 4 is a side view of the seal plate of the present utility model.

In the figure: 1. a safety box; 2. a movable seat; 3. a support base plate; 4. a vent; 5. sealing the clamping seat; 6. a ventilation slot; 7. lifting the sleeve; 8. a screw rod; 9. a connecting block; 10. a sealing plate; 11. a rotating rod; 12. a servo motor; 13. a first bevel gear set; 14. a second bevel gear set; 15. a conduit; 16. a mounting groove; 17. a guide post; 18. a mounting table; 19. a sleeve; 20. a spring; 21. a clamping rod; 22. a placement table; 23. a clamping groove.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, embodiments of the present utility model are provided: the utility model provides a photovoltaic grid-connected box safety device, including safe 1, the four corners department of safe 1 bottom installs movable seat 2, vent 4 has been seted up to the bottom of safe 1 both sides, install mounting groove 16 in the both sides of safe 1 inside, the top cover in two sets of mounting groove 16 is equipped with lead screw 8, the outside cover of two sets of lead screws 8 is equipped with the lift sleeve 7 of screw adaptation, the front one end of safe 1 is equipped with the bin gate, and the intermediate position department of bin gate is equipped with the handle, the bottom of safe 1 both sides is equipped with the protection casing, be convenient for open the bin gate, overhaul and dismouting work to the safety device inside, the bottom of two sets of lift sleeve 7 extends to the outside of safe 1 and installs supporting baseplate 3, the top of two sets of mounting groove 16 is equipped with the installation storehouse, and the top and the inside both sides of installation storehouse are equipped with servo motor 12 and bull stick 11 respectively, the output of servo motor 12 and the intermediate position department in the outside of bull stick 11 are equipped with the first cone gear set 13 of meshing suitable, both sides in the outside of bull stick 11 and the top of two sets of lead screw 8 are equipped with the second cone gear set 14 of meshing suitable;

Four groups of guide posts 17 are mounted at two ends of the two sides of the top and the bottom of the interior of the safety box 1, guide pipes 15 in sliding fit are arranged on the outer sides of the four groups of guide posts 17, sealing plates 10 are mounted at one ends of the two groups of guide pipes 15 on the same side, which are close to each other, interconnecting connecting blocks 9 are arranged between the two groups of lifting sleeves 7 and the sealing plates 10, the two groups of lifting sleeves 7 and the sealing plates 10 are connected with each other through the connecting blocks 9, and the two groups of sealing plates 10 synchronously move under the vertical lifting of the lifting sleeves 7, so that the sealing plates 10 are synchronously driven to seal and protect a ventilation structure while the device is lifted;

The middle position department of safe 1 bottom has seted up ventilation draw-in groove 6, the sealed cassette 5 of sealed block with ventilation draw-in groove 6 is installed to the middle position department at supporting baseplate 3 top, the middle position department of the inside bottom of safe 1 is equipped with mount table 18, sleeve pipe 19 has been seted up to the both sides of mount table 18 inside, the inboard of two sets of sleeve pipes 19 is overlapped respectively and is equipped with draw-in bar 21 and with draw-in bar 21 elastic connection's spring 20, the top of mount table 18 is equipped with places platform 22, place the both sides of platform 22 bottom seted up with draw-in groove 23 of draw-in bar 21 block location, the one end of two sets of draw-in bars 21 is equipped with the handle, and the handle extends the outside of sleeve pipe 19, the installation setting through the handle is convenient for pull handle drive draw-in bar 21 forces spring 20 elastic compression.

1, As shown in fig. 1-2, the top of the inner side of the ventilation slot 6 is provided with a filter screen, the ventilation slot 6 is arranged at the middle position of the bottom of the safety box 1 in a conical structure, the outer side of the sealing slot 5 is provided with a rubber pad, the outer side of the sealing slot 5 is suitably matched with the ventilation slot 6 in a conical structure, a safety device special for cooling and exhausting in rainy weather is conveniently arranged at the position of the ventilation slot 6, and under the structural clamping of the sealing slot 5 and the ventilation slot 6, the stability and sealing efficacy of the structure shrinkage state are improved.

In embodiment 2, as shown in fig. 2-3, guide grooves are formed on two sides of the inside of the mounting table 18, guide blocks sliding in a limiting manner with the guide grooves are arranged on two sides of the clamping groove 23, the inside of the clamping groove 23 is made of a honeycomb plate structure, the clamping groove 23 is conveniently slid to a designated position through the limit fit of the preset guide blocks of the clamping groove 23 in the guide grooves, then, the clamping rod 21 and the clamping groove 23 are clamped and positioned for position calibration, and the operability and convenience of the dismounting work of the placing table 22 are improved.

Working principle: the photovoltaic grid-connected box safety device is characterized in that the photovoltaic grid-connected box safety device comprises a photovoltaic grid-connected box;

when the photovoltaic grid-connected box is used for safety protection, the structural components of the photovoltaic grid-connected box are arranged on the top surface of the placement table 22, then the placement table 22 is clamped into the installation table 18 under the cooperation of the guide groove and the guide block, the clamping rod 21 is pulled to drive the spring 20 to elastically compress the inner side of the sleeve 19 during the process, after the placement table 22 slides to a designated position, the elastic restoring force of the spring 20 is utilized to drive the clamping rod 21 to be clamped with the clamping groove 23, so that the installation position of the placement table 22 is calibrated and positioned, the assembly operability and convenience of the placement table 22 are improved, at the moment, the installation setting of four groups of movable seats 2 can be utilized, the integral movement of the device is easy, and when in rainy weather, the servo motor 12 can be started through remote intelligent control, the servo motor 12 is driven to drive the first bevel gear set 13 to structurally engage to force the rotary rod 11 to rotate, then the screw rod 8 is forced to rotate by the two groups of second bevel gear sets 14 driven by the rotating rod 11, so that the two groups of lifting sleeves 7 are regulated to lift along with the rotation of the screw rod 8, then the connecting blocks 9, the sealing plates 10 and the supporting bottom plate 3 are synchronously driven to integrally descend by the descending of the two groups of lifting sleeves 7, the supporting bottom plate 3 is enabled to be contacted with the ground and drive the device to integrally lift, the supporting bottom plate 3 is utilized to support and force the device to lift, water is prevented from seeping into the device, the sealing clamping of the sealing clamping seat 5 and the ventilation clamping groove 6 is simultaneously released, the ventilation and heat dissipation of the interior of the safety box 1 are further realized by the ventilation clamping groove 6, the sealing plates 10 are enabled to seal the ventilation openings 4 along with the descending of the two groups of connecting blocks 9 under the guidance of the guide posts 17 and the guide pipes 15, the ventilation openings 4 are protected by sealing, the outside rainwater is prevented from seeping into the device, the rainproof effect of the device is improved, the safety protection of the device is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used merely for convenience in describing the present utility model and to simplify the description by referring to the figures, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms connected and connected are to be construed broadly, and may be, for example, fixed or removable; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims (6)

1. The utility model provides a photovoltaic grid-connected box safety device, includes safe (1), its characterized in that: the automatic lifting device is characterized in that moving seats (2) are installed at four corners of the bottom of the safety box (1), ventilation openings (4) are formed in the bottoms of two sides of the safety box (1), mounting grooves (16) are formed in two groups of the two sides of the inside of the safety box (1), screw rods (8) are sleeved on the tops of the interiors of the mounting grooves (16), lifting sleeves (7) with thread adaptation are sleeved on the outsides of the screw rods (8), the bottoms of the two groups of the lifting sleeves (7) extend to the outside of the safety box (1) and are provided with supporting bottom plates (3), mounting bins are formed in the tops of the two groups of the mounting grooves (16), servo motors (12) and rotating rods (11) are respectively arranged on the tops of the mounting bins and the two sides of the inside of the mounting bins, first bevel gear sets (13) which are appropriately matched are arranged in a meshing mode are arranged at the middle positions of the outer sides of the output ends of the servo motors (12) and the outer sides of the rotating rods (11), and the tops of the two groups of the screw rods (8) are provided with second bevel gear sets (14) which are appropriately matched in a meshing mode;

Four groups of guide posts (17) are installed together at both ends of the inside top and the bottom of safe (1), four groups of guide posts (17) are equipped with sliding fit's pipe (15) in the outside, two groups of pipe (15) are close to each other in the homonymy one end install closing plate (10), two groups be equipped with interconnect connecting block (9) between lift sleeve (7) and closing plate (10), ventilation draw-in groove (6) have been seted up to intermediate position department of safe (1) bottom, sealing cassette (5) with ventilation draw-in groove (6) sealing block are installed to intermediate position department at supporting baseplate (3) top, intermediate position department of the inside bottom of safe (1) is equipped with mount table (18), sleeve pipe (19) have been seted up to the both sides of mount table (18) inside, two groups sleeve pipe (19) inboard cover respectively are equipped with draw-in bar (21) and spring (20) with draw-in bar (21) elastic connection, the top of mount table (18) is equipped with places platform (22), place platform (22) bottom both sides have opened with draw-in groove (23) with draw-in bar (21).

2. The photovoltaic grid-tie box safety device according to claim 1, wherein: the top of ventilation draw-in groove (6) inboard is equipped with the filter screen board, ventilation draw-in groove (6) are toper structure setting in the intermediate position department of safe (1) bottom, the outside of sealed cassette (5) is equipped with the rubber pad, the outside of sealed cassette (5) is toper structure and ventilation draw-in groove (6) card suitable joining in marriage.

3. The photovoltaic grid-tie box safety device according to claim 1, wherein: guide grooves are formed in two sides of the inside of the mounting table (18), guide blocks which slide in a limiting mode with the guide grooves are arranged on two sides of the placing table (22), and the inside of the placing table (22) is made of a honeycomb plate structure.

4. The photovoltaic grid-tie box safety device according to claim 1, wherein: the two groups of lifting sleeves (7) and the sealing plates (10) are connected with each other through connecting blocks (9), and the two groups of sealing plates (10) synchronously move under the vertical lifting of the lifting sleeves (7).

5. The photovoltaic grid-tie box safety device according to claim 1, wherein: the safe box is characterized in that a bin gate is arranged at one end of the front face of the safe box (1), a handle is arranged at the middle position of the bin gate, and protection covers are arranged at the bottoms of the two sides of the safe box (1).

6. The photovoltaic grid-tie box safety device according to claim 1, wherein: one end of each clamping rod (21) is provided with a handle, and the handles extend out of the sleeve (19).