CN219321730U - Distributed photovoltaic power generation grid-connected interface device - Google Patents

Abstract

The utility model discloses a distributed photovoltaic power generation grid-connected interface device, which comprises a connector head, wherein the top of the connector head is movably connected with a connecting socket, the side walls of the left side and the right side of the connector head are fixedly connected with U-shaped frames, the side walls of the left side and the right side of the U-shaped frames are respectively provided with a connecting groove, a fixing strip is arranged in each connecting groove, the position, close to the middle, of the inner wall of each connecting groove is provided with a movable groove, the side wall of each fixing strip is provided with a blind hole, a clamping block is movably connected in each blind hole, the position, close to the lower part, of the inner wall of each movable groove is provided with a circular clamping groove matched with the clamping block, and the position, close to the upper part, of the connector head is provided with a movable frame; through mutually supporting between fixed strip, fixture block, second spring and the second gag lever post, realize the convenient erection joint of interface head, can realize the convenient dismantlement of interface through the cooperation of moving frame and movable block to make interface device possess the stability of connection simultaneously and the convenience of installation dismantlement, convenient and practical.

Description

Distributed photovoltaic power generation grid-connected interface device

Technical Field

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

Background

At present, the distributed photovoltaic power generation is different from the traditional construction method of centralized and large-scale photovoltaic power generation, and is generally built at a user side, the generated power is mainly used by itself, the redundant electric quantity is transmitted to a public power grid, a grid connection interface is used as an important component, and the convenience and the stability of connection are very important.

In practical use, for the grid-connected interface, the connection stability is required to be ensured, the connection can not be easily separated when external force is not received, but the grid-connected interface in the prior art is very complicated in connection mode while the stability is ensured, so that the connection and the disassembly are very inconvenient, and the convenience of installation and disassembly and the stability after connection can not be ensured, therefore, the distributed photovoltaic power generation grid-connected interface device is provided.

Disclosure of Invention

The utility model aims to provide a distributed photovoltaic power generation grid-connected interface device, which solves the problems in the background technology.

The utility model discloses a distributed photovoltaic grid-connected interface device, which comprises a connector head, wherein the top of the connector head is movably connected with a connecting socket, the side walls at the left side and the right side of the connector head are fixedly connected with U-shaped frames, the side walls at the left side and the right side of the U-shaped frames are respectively provided with connecting grooves, a fixing strip is arranged in the connecting grooves, a moving groove is formed in the inner wall of the connecting groove near the middle, blind holes are formed in the side walls of the fixing strip, a clamping block is movably connected in the blind holes, circular clamping grooves matched with the clamping block are formed in the inner wall of the moving groove near the lower part, a moving frame is formed in the position of the connector head near the upper part, limiting holes are formed in the positions of the top of the moving frame near the left side and the right side, first limiting rods are respectively and fixedly connected with the top and the bottom of an inner cavity of the U-shaped frame, first springs are sleeved on the first limiting rods, the top ends and the bottom of the first springs are respectively fixedly connected with the bottom of the moving frame and the bottom of the inner cavity of the U-shaped frames, moving blocks are fixedly connected with the left side walls at the two sides of the moving frame, and the moving blocks extend to the side walls at the other side.

The utility model further adopts the technical scheme that: the U-shaped frame top fixedly connected with circular piece, just connecting socket bottom offered with circular piece assorted circular hole.

The utility model further adopts the technical scheme that: the inner wall of the connecting groove is obliquely arranged near the upper part.

The utility model further adopts the technical scheme that: the utility model discloses a blind hole, including fixture block, stopper, stop block, second gag lever post, second spring, stop block top and bottom fixedly connected with stopper, blind hole inner chamber top and bottom all have seted up with stopper assorted spacing groove, the spacing hole has been seted up to the stopper lateral wall, be provided with the second gag lever post in the spacing hole, both ends are respectively with spacing groove left and right sides inner wall fixed connection about the second gag lever post, the cover is equipped with the second spring on the second gag lever post, both ends are respectively with adjacent stopper or spacing groove inner wall fixed connection about the second spring.

The utility model further adopts the technical scheme that: the bottom of the moving block is obliquely arranged at one side close to the clamping block.

The utility model further adopts the technical scheme that: the front wall and the rear wall of the movable frame are arranged to be circular plates near the middle, and anti-skid lines are carved on the front wall and the rear wall of the movable frame.

The utility model further adopts the technical scheme that: the side wall of the side, close to the moving block, of the clamping block is provided with a cambered surface in a polishing mode.

The utility model has the beneficial effects that: according to the distributed photovoltaic power generation grid-connected interface device, through the mutual matching among the fixing strips, the clamping blocks, the second springs and the second limiting rods, the convenient installation and connection of the connector heads can be realized when the fixing strips are inserted into the connecting grooves, meanwhile, when the clamping blocks correspond to the circular clamping grooves, the second springs stretch to push the clamping blocks into the circular clamping grooves, so that the fixing strips and the U-shaped frames are tightly connected together, the stability of interface connection is ensured, and meanwhile, the stability of the connection of the fixing strips and the U-shaped frames is further ensured through the mutual matching of the circular blocks and the circular holes; through mutually supporting between movable frame and the movable block, can realize only need with the movable frame backward pulling transfer movable block in the movable tank 11 and remove until contact with the fixture block to with its circular draw-in groove back of withdrawing from, can realize the convenient dismantlement of interface, thereby make interface arrangement possess the stability of connection simultaneously and the convenience of installation dismantlement, convenient and practical.

Drawings

FIG. 1 is a schematic perspective view of a distributed photovoltaic grid-connected interface device provided by the utility model;

FIG. 2 is a schematic diagram of a three-dimensional exploded structure of a distributed photovoltaic grid-connected interface device provided by the utility model;

FIG. 3 is a schematic view of a circular clamping groove and a moving groove of the distributed photovoltaic power generation grid-connected interface device;

FIG. 4 is an enlarged view of a position A of the distributed photovoltaic power generation grid-connected interface device provided by the utility model;

fig. 5 is an enlarged view of a position B of the distributed photovoltaic power generation grid-connected interface device provided by the utility model.

Reference numerals: 1. a connector head; 2. a U-shaped frame; 3. a fixing strip; 4. a connection socket; 5. a circular block; 6. a moving block; 7. a first stop lever; 8. a moving frame; 9. a first spring; 10. a circular clamping groove; 11. a moving groove; 12. a clamping block; 13. a second limit rod; 14. a limiting block; 15. and a second spring.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

It should be noted that, the structures, proportions, sizes and the like shown in the drawings attached to the present specification are used for understanding and reading only in conjunction with the disclosure of the present specification, and are not intended to limit the applicable limitations of the present utility model, so that any modification of the structures, variation of proportions or adjustment of sizes of the structures, proportions and the like should not be construed as essential to the present utility model, and should still fall within the scope of the disclosure of the present utility model without affecting the efficacy and achievement of the present utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

Embodiment one: fig. 1-5 show a distributed photovoltaic power generation grid-connected interface device, which comprises a connector head 1, the top of the connector head 1 is movably connected with a connecting socket 4, the side walls of the left side and the right side of the connector head 1 are fixedly connected with a U-shaped frame 2, the side walls of the left side and the right side of the U-shaped frame 2 are respectively provided with a connecting groove, the parts, close to the upper part, of the inner walls of the connecting grooves are obliquely arranged, fixing strips 3 are arranged in the connecting grooves, the parts, close to the middle, of the inner walls of the connecting grooves are provided with moving grooves 11, the side walls of the fixing strips 3 are provided with blind holes, the blind holes are movably connected with clamping blocks 12, the top and the bottom of each clamping block 12 are fixedly connected with limiting blocks 14, the top and the bottom of each blind hole are respectively provided with limiting grooves matched with the limiting blocks 14, limiting holes are respectively provided with second limiting rods 13, the left end and the right end of each second limiting rod 13 is fixedly connected with the left side and the inner walls of the limiting grooves, second limiting rods 13 are sleeved with second springs 15, the left end and the right end of the second spring 15 are respectively and fixedly connected with the adjacent limiting block 14 or the inner wall of the limiting groove, the side wall of one side of the clamping block 12 close to the moving block 6 is provided with a cambered surface polishing device, the position of the inner wall of the moving groove 11 close to the lower part is provided with a circular clamping groove 10 matched with the clamping block 12, the position of the interface head 1 close to the upper part is provided with a moving frame 8, the top of the moving frame 8 close to the left side and the right side is provided with limiting holes, the limiting holes are internally provided with first limiting rods 7, the top and the bottom of the first limiting rods 7 are respectively and fixedly connected with the top and the bottom of the inner cavity of the U-shaped frame 2, the first limiting rods 7 are sleeved with first springs 9, the top and the bottom of the first springs 9 are respectively and fixedly connected with the bottom of the moving frame 8 and the bottom of the inner cavity of the U-shaped frame 2, the side walls of the left side and the right side of the moving frame 8 are fixedly connected with the moving block 6, the bottom of the moving block 6 close to one side of the clamping block 12 is obliquely arranged, when the connector is used and connected, the two fixing strips 3 on the connecting socket 4 are aligned with the two connecting grooves respectively and push the connector head 1 upwards, the side wall of the side, close to the moving block 6, of the clamping block 12 is arranged in a cambered surface polishing mode, and the position, close to the upper side, of the inner wall of the connecting groove is arranged in an inclined mode, so that when the clamping block 12 is just connected with the connecting groove, the clamping block 12 is pushed into the blind hole easily, the limiting block 14 is driven to compress the second spring 15, at the moment, the clamping block 12 slides in the connecting groove along with the fixing strips 3 until the clamping block 12 is aligned with the circular clamping groove 10, the clamping block 12 is clamped into the circular clamping groove 10 under the pushing of the second spring 15, the convenient connection of the connector is realized, meanwhile, the clamping block 12 is clamped into the circular clamping groove 10, the connection of the connector is stable, and when the connector head is dismounted, the connector head is pulled downwards, the moving block 6 is driven to move in the moving groove 11 until the bottom of the moving block 6 is connected with the clamping block 12, and the clamping block 12 is pushed to retract into the blind hole until the circular clamping groove 10 is completely, and the connector head 1 is removed, so that the connector head is convenient and stable to mount and dismount; the top of the U-shaped frame 2 is fixedly connected with a circular block 5, the bottom of the connecting socket 4 is provided with a circular hole matched with the circular block 5, and the stability of the interface connection can be further improved through the mutual matching of the circular block 5 and the circular hole; the front wall and the rear wall of the movable frame 8 are arranged close to the middle and are provided with anti-skid lines, and a user can pull the movable frame 8 more conveniently through the anti-skid lines; the stability of interface connection is guaranteed, through the mutually supporting between movable frame and the movable block, can realize only need with the movable frame backward pulling transfer movable block in the movable groove 11 and remove until contact with the fixture block to with its circular draw-in groove back of drawing out, can realize the convenient dismantlement of interface, thereby make interface device possess the stability of connection and the convenience of installation dismantlement simultaneously, convenient and practical.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (7)

1. A distributed photovoltaic power generation grid-connected interface device is characterized in that: including the interface head, interface head top swing joint has connecting socket, the equal fixedly connected with U-shaped frame of interface head left and right sides lateral wall, the spread groove has all been seted up to U-shaped frame left and right sides lateral wall, be provided with the fixed strip in the spread groove, the spread groove has been seted up to the spread groove inner wall near middle department, the blind hole has been seted up to the fixed strip lateral wall, swing joint has the fixture block in the blind hole, just the movable groove inner wall is close to below department and has seted up the circular draw-in groove with fixture block assorted, the interface head is close to top department and has seted up the movable frame, the movable frame top is close to left and right sides department and has all been seted up spacing hole, just be provided with first gag lever post in the spacing hole, just first gag lever post top and bottom respectively with U-shaped frame inner chamber top and bottom fixed connection, the cover is equipped with first spring on the first gag lever post, first spring top and bottom and U-shaped frame inner chamber bottom fixed connection respectively, movable frame left and right sides lateral wall all fixedly connected with movable block, movable block opposite side extends to movable block lateral wall.

2. The distributed photovoltaic power generation grid-connected interface device according to claim 1, wherein a round block is fixedly connected to the top of the U-shaped frame, and a round hole matched with the round block is formed in the bottom of the connecting socket.

3. The distributed photovoltaic power generation grid-connected interface device according to claim 1, wherein the inner wall of the connecting groove is obliquely arranged near the upper part.

4. The distributed photovoltaic power generation grid-connected interface device according to claim 1, wherein limiting blocks are fixedly connected to the top and the bottom of the clamping block, limiting grooves matched with the limiting blocks are formed in the top and the bottom of the inner cavity of the blind hole, limiting holes are formed in the side walls of the limiting blocks, second limiting rods are arranged in the limiting holes, the left end and the right end of each second limiting rod are fixedly connected with the inner walls of the left side and the right side of each limiting groove respectively, second springs are sleeved on the second limiting rods, and the left end and the right end of each second spring are fixedly connected with the adjacent limiting blocks or the inner walls of the limiting grooves respectively.

5. The distributed photovoltaic power generation grid-connected interface device according to claim 1, wherein the bottom of the movable block is arranged at one side close to the clamping block in an inclined mode.

6. The distributed photovoltaic power generation grid-connected interface device according to claim 1, wherein the front wall and the rear wall of the movable frame are circular plates close to the middle, and anti-slip lines are carved on the movable frame.

7. The distributed photovoltaic power generation grid-connected interface device according to claim 1, wherein the side wall of the clamping block, which is close to the moving block, is provided with a cambered surface in a polishing mode.

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