Distributed energy storage grid-connected protection device

Abstract

The utility model discloses a distributed energy storage grid-connected protection device, and relates to the technical field of energy storage grid-connected protection, the distributed energy storage grid-connected protection device comprises a fixed cabinet body, the upper surface of the fixed cabinet body is provided with an adjusting groove, and an adjusting cabinet body is inserted into the adjusting groove. Fixing holes are formed in the surfaces of the two sides of the fixed cabinet body and the surfaces of the two sides of the adjusting cabinet body, a plurality of fixing holes are formed in the surface of the adjusting cabinet body and distributed in an equidistant array mode, a cabinet door assembly is arranged at the front end of the fixed cabinet body, and heightening bases are arranged on the lower surfaces of the two ends of the fixed cabinet body. According to the scheme, the problems that a shell of an existing protection cabinet is formed through welding, the height is uniform, protection cabinets of different sizes need to be replaced when devices of different numbers are installed, the replacement cost is high, and flexibility and applicability are poor are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of energy storage grid connection protection, specifically to a kind of distributed energy storage grid connection protection device. BACKGROUND

[0002] Distributed energy storage grid connection refers to connecting distributed energy storage system into power system to realize the storage, regulation and supply of electric energy, which is of great significance to improve the stability of power system and promote the development and consumption of new energy, and the power system device is protected by protection cabinet;

[0003] For example, the Chinese patent with the announcement number CN222107390U (a kind of distributed energy storage grid connection protection device): including protective box, the inner wall of the protective box is movably installed with the distributed energy storage grid connection protection assembly suitable for it, the distributed energy storage grid connection protection assembly includes device ontology, current transformer is fixedly installed on the device ontology, current grounding line selector is fixedly installed on the device ontology, overvoltage protector is fixedly installed on the device ontology, power grid monitor is fixedly installed on the device ontology. The distributed energy storage grid connection protection device, the protective box is convenient for providing protection for distributed energy storage grid connection protection assembly, current transformer, current grounding line selector, overvoltage protector and power grid monitor are convenient for providing multiple protection for distributed energy storage grid connection, to improve the safety of distributed energy storage grid connection use, display screen displays relevant monitoring data, and control key is convenient for control adjustment, safe and convenient to use.

[0004] However, the shell of the existing protection cabinet is all welded into shape, and the height is uniform, when installing different number of devices, different size protection cabinet needs to be replaced, the replacement cost is high, and the flexibility and applicability are poor;Therefore, it does not meet the existing demand, for this, we propose a kind of distributed energy storage grid connection protection device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of distributed energy storage grid connection protection device to solve the problem that the shell of the existing protection cabinet is all welded into shape, and the height is uniform, when installing different number of devices, different size protection cabinet needs to be replaced, the replacement cost is high, and the flexibility and applicability are poor in the above background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a kind of distributed energy storage grid-connected protection device, comprising: fixed cabinet, the upper surface of the fixed cabinet is provided with adjusting groove, adjusting cabinet is inserted in the inside of adjusting groove, the both sides surfaces of the fixed cabinet and adjusting cabinet are provided with fixed hole, and the fixed hole of adjusting cabinet surface is provided with multiple, and multiple fixed holes are equidistant array distribution, the front end of the fixed cabinet is provided with cabinet door assembly, the lower surface of the both ends of the fixed cabinet is provided with heightening base, and heightening base is fixed with fixed cabinet outer joint fastener.

[0007] Preferably, the fixed hole of the fixed cabinet is provided with threaded fastener on one side, and the threaded fastener is threadedly connected with a fixed nut after penetrating through the fixed holes of the fixed cabinet and the adjusting cabinet.

[0008] Preferably, the top end of the adjusting cabinet is provided with an upper top plate, and the upper top plate is welded and fixed with the adjusting cabinet.

[0009] Preferably, the cabinet door assembly comprises a first cabinet door and a second cabinet door, the rear surface of the first cabinet door is provided with a moving groove, and the second cabinet door moves up and down along the moving groove.

[0010] Preferably, the lower surface center of the second cabinet door is provided with a fixed end plate, and the fixed end plate is welded and fixed with the second cabinet door, the rear surface of the moving groove is provided with a connecting hole, and the connecting hole is provided with multiple, and multiple connecting holes are respectively kept at the same water level line with multiple fixed holes, the front end of the fixed end plate is provided with a fixed bolt, and one end of the fixed bolt is threadedly connected with the connecting hole penetrating through the fixed end plate.

[0011] Preferably, one side of the first cabinet door is provided with a hinge, and the first cabinet door is rotatably connected with the fixed cabinet through the hinge, the other side surface of the first cabinet door and the fixed cabinet is provided with a lock catch seat, and the front end of the lock catch seat is provided with a door lock.

[0012] Preferably, the rear surface in the fixed cabinet and the adjusting cabinet is provided with a screw hole, the front end of the screw hole is provided with a device fixing seat, and the both ends of the device fixing seat are fixed with the screw hole through fixed screws.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] (1), the utility model discloses a height -adjustable cabinet body is set up, instead of the present integral welding form's cabinet body, and the height of the adjustment cabinet body is adjusted according to the number of device installation, when adjusting, along with the adjustment groove up and down movement adjustment cabinet body, after adjusting, the fixed hole of adjustment cabinet body and the fixed hole of fixed cabinet body are aligned, and are fixed through the external fixed nut of threaded fastener, according to the height of adjustment cabinet body, along with the removal groove upward movement second cabinet door, after adjusting, the one end of fixed bolt is passed fixed end plate and is connected with the threaded connection of connecting hole, and the second cabinet door is fixed, realizes height -adjustable, improves flexibility and applicability, need not to replace the cabinet body of different size, solves the shell of the existing protection cabinet and is all welded into shape, and the height is all unified, when installing different number of devices, needs to replace the protection cabinet of different size, and the problem of high replacement cost and poor flexibility and applicability is solved.

[0015] (2), by plugging into the sealing plug in the fixed hole, the top end of adjustment cabinet body is protected through the upper top plate, and the second cabinet door is also limited in position, the fixed hole of adjustment cabinet body is sealed through the sealing plug, dust is prevented from entering the cabinet body from the fixed hole to cause safety accidents, and safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the fixed cabinet body and the adjustment cabinet body connection structure schematic diagram of the utility model;

[0018] Figure 3 It is the fixed cabinet body structure schematic diagram of the utility model;

[0019] Figure 4 It is the cabinet door assembly rear view structure schematic diagram of the utility model;

[0020] In the drawing: 1, fixed cabinet body;2, adjustment cabinet body;3, cabinet door assembly;4, lock catch seat;5, door lock;6, hinge;7, heightening base;8, adjustment groove;9, threaded fastener;10, fixed nut;11, fixed hole;12, sealing plug;13, upper top plate;14, device fixed seat;15, screw hole;16, fixed screw;17, first cabinet door;18, second cabinet door;19, removal groove;20, connecting hole;21, fixed end plate;22, fixed bolt. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] Please see Figures 1-4 This utility model provides an embodiment of a distributed energy storage grid-connected protection device, comprising: a fixed cabinet 1, an adjustment groove 8 on the upper surface of the fixed cabinet 1, an adjustment cabinet 2 inserted into the adjustment groove 8, fixing holes 11 on both sides of the fixed cabinet 1 and the adjustment cabinet 2, and multiple fixing holes 11 on the surface of the adjustment cabinet 2, which are distributed in an equidistant array; a cabinet door assembly 3 at the front end of the fixed cabinet 1; and raising bases 7 on the lower surfaces of both ends of the fixed cabinet 1, which are fixed to the fixed cabinet 1 with external fasteners. A thread is provided on one side of the fixing holes 11 of the fixed cabinet 1. Fastener 9, one end of which passes through the fixing holes 11 of the fixed cabinet 1 and the adjusting cabinet 2 and is threadedly connected to a fixing nut 10. The cabinet door assembly 3 includes a first cabinet door 17 and a second cabinet door 18. The rear surface of the first cabinet door 17 is provided with a moving groove 19, and the second cabinet door 18 moves up and down along the moving groove 19. A fixing end plate 21 is provided at the center of the lower surface of the second cabinet door 18, and the fixing end plate 21 is welded and fixed to the second cabinet door 18. The rear surface of the moving groove 19 is provided with multiple connecting holes 20, and the multiple connecting holes 20 are respectively kept at the same water level line with the multiple fixing holes 11. The fixing end plate 20... A fixing bolt 22 is provided at the front end of the fixed cabinet 1, and one end of the fixing bolt 22 passes through the fixed end plate 21 and is threadedly connected to the connecting hole 20. Screw holes 15 are provided on the rear surface of both the fixed cabinet 1 and the adjusting cabinet 2. A component fixing seat 14 is provided at the front end of the screw hole 15. Both ends of the component fixing seat 14 are fixed to the screw hole 15 by fixing screws 16. The adjusting cabinet 2 is inserted into the adjusting groove 8, and its height is adjusted according to the number of components to be installed. During adjustment, the adjusting cabinet 2 is moved up and down along the adjusting groove 8. After adjustment, the fixing hole 11 of the adjusting cabinet 2 is aligned with the fixing hole 11 of the fixed cabinet 1, and then the fixing hole 11 is moved along the adjusting groove 8. A threaded fastener 9 is inserted into hole 11. One end of the threaded fastener 9 passes through the fixing hole 11 of the fixed cabinet 1 and the adjusting cabinet 2 and is threadedly connected to a fixing nut 10 to fix the adjusting cabinet 2 and the fixed cabinet 1. Then, according to the height of the adjusting cabinet 2, the second cabinet door 18 is moved upward along the moving groove 19. After adjustment, one end of the fixing bolt 22 passes through the fixing end plate 21 and is threadedly connected to the connecting hole 20 to fix the second cabinet door 18. The two ends of the device fixing seat 14 are fixed to the screw hole 15 by fixing screws 16. Multiple device fixing seats 14 can be installed through multiple screw holes 15 for the installation of distributed energy storage grid-connected devices.

[0023] Please see Figure 2The top of the regulating cabinet 2 is provided with an upper top plate 13, which is welded and fixed to the regulating cabinet 2. A sealing plug 12 is inserted into the fixing hole 11. The top of the regulating cabinet 2 is protected by the upper top plate 13, which also limits the movement of the second cabinet door 18. The sealing plug 12 seals the fixing hole 11 exposed by the regulating cabinet 2, thereby improving safety.

[0024] Please see Figure 1 , 4 A hinge 6 is provided on one side of the first cabinet door 17, and the first cabinet door 17 is rotatably connected to the fixed cabinet 1 through the hinge 6. A lock seat 4 is provided on the other side surface of the first cabinet door 17 and the fixed cabinet 1. A door lock 5 is provided at the front end of the lock seat 4. The openings of the fixed cabinet 1 and the adjustable cabinet 2 are sealed by the first cabinet door 17 and the second cabinet door 18, and fixed by the door lock 5.

[0025] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A distributed energy storage grid-connected protection device, comprising a fixed cabinet (1), characterized in that: The upper surface of the fixed cabinet (1) is provided with an adjustment groove (8), and an adjustment cabinet (2) is inserted into the adjustment groove (8). Both sides of the fixed cabinet (1) and the adjustment cabinet (2) are provided with fixing holes (11), and multiple fixing holes (11) are provided on the surface of the adjustment cabinet (2), and the multiple fixing holes (11) are distributed in an equidistant array. The front end of the fixed cabinet (1) is provided with a cabinet door assembly (3), and the lower surfaces of both ends of the fixed cabinet (1) are provided with a heightening base (7), and the heightening base (7) is fixed to the external fastener of the fixed cabinet (1).

2. The distributed energy storage grid-connected protection device according to claim 1, characterized in that: A threaded fastener (9) is provided on one side of the fixing hole (11) of the fixed cabinet (1). One end of the threaded fastener (9) passes through the fixing hole (11) of the fixed cabinet (1) and the adjusting cabinet (2) and is threadedly connected to a fixing nut (10).

3. The distributed energy storage grid-connected protection device according to claim 1, characterized in that: The top of the regulating cabinet (2) is provided with an upper top plate (13), and the upper top plate (13) is welded and fixed to the regulating cabinet (2). A sealing plug (12) is inserted into the inside of the fixing hole (11).

4. A distributed energy storage grid-connected protection device according to claim 1, characterized in that: The cabinet door assembly (3) includes a first cabinet door (17) and a second cabinet door (18). The rear surface of the first cabinet door (17) is provided with a moving groove (19), and the second cabinet door (18) moves up and down along the moving groove (19).

5. A distributed energy storage grid-connected protection device according to claim 4, characterized in that: A fixed end plate (21) is provided at the center of the lower surface of the second cabinet door (18), and the fixed end plate (21) is welded and fixed to the second cabinet door (18). A connecting hole (20) is provided on the rear surface of the moving groove (19), and multiple connecting holes (20) are provided. The multiple connecting holes (20) are respectively kept at the same water level line with the multiple fixed holes (11). A fixing bolt (22) is provided at the front end of the fixed end plate (21), and one end of the fixing bolt (22) passes through the fixed end plate (21) and is threadedly connected to the connecting hole (20).

6. A distributed energy storage grid-connected protection device according to claim 4, characterized in that: A hinge (6) is provided on one side of the first cabinet door (17), and the first cabinet door (17) is rotatably connected to the fixed cabinet (1) through the hinge (6). A lock seat (4) is provided on the other side surface of the first cabinet door (17) and the fixed cabinet (1), and a door lock (5) is provided at the front end of the lock seat (4).

7. A distributed energy storage grid-connected protection device according to claim 1, characterized in that: The rear surfaces inside both the fixed cabinet (1) and the adjustable cabinet (2) are provided with screw holes (15). The front end of the screw hole (15) is provided with a device fixing seat (14). The two ends of the device fixing seat (14) are fixed to the screw hole (15) by fixing screws (16).

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