Photovoltaic anti-islanding device

Abstract

The utility model belongs to the technical field of anti-islanding devices, and particularly relates to a photovoltaic anti-islanding device, which comprises a base, a baffle plate and an anti-islanding device are fixedly connected above the base, an outer cover is arranged on the base, an auxiliary mechanism is arranged on the base, the auxiliary mechanism comprises an insertion block, and the insertion block is fixedly connected above the base. According to the photovoltaic anti-islanding device, a round rod rotates by 90 degrees, so that a round block and a convex block are driven to rotate by 90 degrees along with the round rod, a connecting rod and a long plate move outwards, a movable block is retracted into a movable groove, and then a slot in the lower part of an outer cover is aligned with an insertion block on a base for mounting and insertion; and after the insertion is finished, the round rod is loosened, the round rod is driven to reversely rotate by 90 degrees under the elastic reset action of the torsional spring, so that the convex block is driven to be far away from the connecting rod, and the movable block is driven to be clamped into the clamping groove in the side wall of the insertion block under the elastic reset action of the elastic telescopic rod, so that the fixation of the outer cover is finished.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of anti-islanding device, concretely to a photovoltaic anti-islanding device. BACKGROUND

[0002] The photovoltaic anti-islanding device is an important power equipment, and is mainly used for preventing the island effect formed by the photovoltaic power generation system continuing to supply power to the power grid when the power grid fails or is powered off.

[0003] At present, in the prior art, the Chinese patent with the publication number CN218958359U discloses a distributed photovoltaic anti-islanding protection device, the front surface of the surface of the bottom plate fixedly provided with the baffle is mutually pasted with the rear surface of the outer cover, the front surface of the outer cover is flush with the front surface of the bottom plate and the support seat, and the baffle ensures that the outer cover can remain stable after installation, so that the stability of the air duct in the device is ensured. However, in the actual use process, the outer cover of the device is only pasted at the baffle, and no corresponding fixing mechanism is arranged, and the connection of the outer cover is not stable, so that the operation of the subsequent anti-islanding protection device is affected. In view of this, the present utility model provides a photovoltaic anti-islanding device. CONTENT OF THE UTILITY MODEL

[0004] The main purpose of the utility model is to provide a photovoltaic anti-islanding device, which can solve the problems proposed in the background art.

[0005] To achieve the above purpose, the utility model provides a photovoltaic anti-islanding device, which comprises a base, a baffle and an anti-islanding device fixedly connected above the base, an outer cover arranged on the base, and an auxiliary mechanism arranged on the base. The auxiliary mechanism comprises an insertion block fixedly connected above the base.

[0006] Preferably, the two side walls of the insertion block are provided with clamping grooves.

[0007] Preferably, the two side walls of the outer cover are provided with movable grooves, and the lower portion of the outer cover is provided with an insertion groove.

[0008] Preferably, the inner wall of the movable groove is provided with a sliding groove, the sliding groove is slidably connected with a movable block, the movable block is provided with a recess, the recess is fixedly connected with an elastic telescopic rod, one end of the elastic telescopic rod away from the recess is fixedly connected with a fixed plate, and the fixed plate is fixedly connected with the inner wall of the movable groove.

[0009] Preferably, the side wall of the movable block is fixedly connected with a long plate, the long plate is fixedly connected with a connecting rod, and one end of the connecting rod away from the long plate is in an arc shape.

[0010] Preferably, the outer cover side wall is rotationally connected with a round rod, a torsional spring is arranged between the round rod and the outer cover, the round rod is fixedly connected with a round block, the round block outer wall is fixedly connected with a protruding block, and the protruding block is provided with two groups, the round rod is rotated by 90 degrees, thereby driving the round block and the protruding block to rotate by 90 degrees, so that the connecting rod and the long plate move outward, and then the movable block is retracted into the movable groove, then the insertion slot below the outer cover is aligned with the insertion block on the base for installation, after the installation is completed, the round rod is loosened, and the round rod is driven to rotate reversely by 90 degrees under the elastic reset action of the torsional spring, thereby driving the protruding block away from the connecting rod, and the movable block is clamped into the clamping groove in the side wall of the insertion block under the elastic reset action of the elastic expansion rod, so that the fixing of the outer cover is completed.

[0011] The utility model provides a photovoltaic anti-islanding device. Has the following beneficial effects:

[0012] (1), the photovoltaic anti-islanding device is rotated by 90 degrees to the round rod, thereby driving the round block and the protruding block to rotate by 90 degrees, so that the connecting rod and the long plate move outward, and then the movable block is retracted into the movable groove, then the insertion slot below the outer cover is aligned with the insertion block on the base for installation, after the installation is completed, the round rod is loosened, and the round rod is driven to rotate reversely by 90 degrees under the elastic reset action of the torsional spring, thereby driving the protruding block away from the connecting rod, and the movable block is clamped into the clamping groove in the side wall of the insertion block under the elastic reset action of the elastic expansion rod, so that the fixing of the outer cover is completed.

[0013] (2), the photovoltaic anti-islanding device is provided with the arc-shaped end of the connecting rod, which facilitates the movable operation between the connecting rod and the protruding block. ACCURATE DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained from the structure shown in these drawings without creative labor.

[0015] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the utility model Figure 1 A region structure schematic diagram in the utility model;

[0017] Figure 3 It is the three-dimensional sectional view structure schematic diagram of part of the device of the utility model;

[0018] Figure 4 For the utility model Figure 3 B area structure diagram shows;

[0019] Figure 5 For the utility model part device structure diagram shows Figure 1 ;

[0020] Figure 6 For the utility part device structure diagram shows Figure 2 .

[0021] Explanation of reference numerals:

[0022] 1, base; 2, baffle; 3, cover; 4, island prevention device; 5, auxiliary mechanism; 51, plug; 52, slot; 53, movable slot; 55, sliding groove; 56, movable block; 57, long plate; 58, elastic telescopic rod; 59, fixed plate; 510, connecting rod; 511, round block; 512, protruding block; 513, round rod.

[0023] The utility model aims at realizing, functional characteristics and advantages, which will be further described with reference to the drawings in conjunction with embodiments. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] Please refer to Figures 1-6 The utility model discloses a photovoltaic island prevention device, including base 1, the baffle 2 and the island prevention device 4 are fixedly connected on base 1 top, be equipped with cover 3 on base 1, be equipped with auxiliary mechanism 5 on base 1, and the auxiliary mechanism 5 includes plug 51, and plug 51 is fixedly connected on base 1 top.

[0026] In the embodiment of the utility model, in order to make auxiliary mechanism 5 better operation, specifically, the both sides side walls of plug 51 are equipped with the clamping groove, and the both sides side walls of cover 3 are equipped with movable slot 53, and cover 3 below is equipped with slot 52, movable slot 53 inner wall is equipped with sliding groove 55, and sliding groove 55 is slidably connected with movable block 56, and movable block 56 is equipped with recess, and recess is fixedly connected with elastic telescopic rod 58, and elastic telescopic rod 58 is fixedly connected with fixed plate 59 at the end away from recess, and fixed plate 59 is fixedly connected with movable slot 53 inner wall, and movable block 56 side wall is fixedly connected with long plate 57, and long plate 57 is fixedly connected with connecting rod 510, and the one end of connecting rod 510 away from long plate 57 is arc shape.

[0027] Furthermore, a round rod 513 is rotatably connected to the side wall of the outer cover 3. A torsion spring is provided between the round rod 513 and the outer cover 3. A round block 511 is fixedly connected to the round rod 513. A protrusion 512 is fixedly connected to the outer wall of the round block 511, and there are two sets of protrusions 512. When the protrusion 512 rotates 90 degrees, it will touch the arc-shaped end of the connecting rod 510, thereby driving the connecting rod 510 to move outward. By rotating the round rod 513 90 degrees, the round block 511 and the protrusion 512 will rotate 90 degrees together, thereby causing the connecting rod 510 and the long plate 57 to move outward, and then the movable block 56 will be retracted into the movable groove 53. Then, the slot 52 under the outer cover 3 is aligned with the plug 51 on the base 1 for installation and insertion. After insertion, it is released. The round rod 513, under the elastic reset action of the torsion spring, will rotate 90 degrees in the opposite direction, thereby causing the protrusion 512 to move away from the connecting rod 510. Under the elastic reset action of the elastic telescopic rod 58, the movable block 56 will engage with the slot on the side wall of the insert block 51, thus completing the fixation of the outer cover 3. The arc-shaped end of the connecting rod 510 facilitates the movement between the connecting rod 510 and the protrusion 512. The aforementioned base 1, baffle 2, outer cover 3, and anti-islanding device 4 are similar in principle and achieve the same effect as those mentioned in Chinese Patent No. CN218958359U (A Distributed Photovoltaic Anti-Islanding Protection Device). They are existing public technical means in this field and will not be elaborated further here.

[0028] In this utility model, during use, when installing the outer cover 3, the round rod 513 needs to be rotated 90 degrees, thereby causing the round block 511 and the protrusion 512 to rotate 90 degrees together, so that the connecting rod 510 and the long plate 57 move outward, and then the movable block 56 is retracted into the movable groove 53. Then, the slot 52 below the outer cover 3 is aligned with the plug 51 on the base 1 for installation and insertion. After insertion, the round rod 513 is released, and under the elastic reset action of the torsion spring, the round rod 513 will rotate 90 degrees in the opposite direction, thereby causing the protrusion 512 to move away from the connecting rod 510. Under the elastic reset action of the elastic telescopic rod 58, the movable block 56 will be driven into the slot on the side wall of the plug 51, thus completing the fixation of the outer cover 3.

[0029] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A photovoltaic anti-islanding device, comprising a base (1), characterized in that: A baffle (2) and an anti-islanding device (4) are fixedly connected above the base (1). An outer cover (3) is provided on the base (1). An auxiliary mechanism (5) is provided on the base (1). The auxiliary mechanism (5) includes a plug (51). The plug (51) is fixedly connected above the base (1).

2. The photovoltaic anti-islanding device according to claim 1, characterized in that: The insert (51) has slots on both sides of its sidewalls.

3. The photovoltaic anti-islanding device according to claim 1, characterized in that: The outer cover (3) has movable grooves (53) on both sides of its sidewalls, and a slot (52) is provided at the bottom of the outer cover (3).

4. A photovoltaic anti-islanding device according to claim 3, characterized in that: The inner wall of the movable groove (53) is provided with a sliding groove (55), the sliding groove (55) is slidably connected to a movable block (56), the movable block (56) is provided with a groove, the groove is fixedly connected to an elastic telescopic rod (58), the end of the elastic telescopic rod (58) away from the groove is fixedly connected to a fixing plate (59), and the fixing plate (59) is fixedly connected to the inner wall of the movable groove (53).

5. A photovoltaic anti-islanding device according to claim 4, characterized in that: The movable block (56) has a long plate (57) fixedly connected to its side wall, and the long plate (57) has a connecting rod (510) fixedly connected to it. The end of the connecting rod (510) away from the long plate (57) is arc-shaped.

6. A photovoltaic anti-islanding device according to claim 1, characterized in that: The outer cover (3) is rotatably connected to a round rod (513), and a torsion spring is provided between the round rod (513) and the outer cover (3). The round rod (513) is fixedly connected to a round block (511), and a protrusion (512) is fixedly connected to the outer wall of the round block (511), and the protrusion (512) is provided in two sets.

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