CN219458598U - Micro-grid bus differential protection device - Google Patents

Abstract

The utility model discloses a micro-grid bus differential protection device, which comprises a base, wherein the base comprises a base, two mounting blocks which are bilaterally symmetrical are fixedly connected to the upper end surface of the base, a sliding groove which penetrates left and right is arranged in each mounting block, a cushion block which is positioned between the two mounting blocks is arranged on the upper end surface of the base, a protection mechanism is arranged on the upper side of the base, an adjusting mechanism is arranged between the two mounting blocks, and an arc plate and a cushion block spring which are arranged in the protection mechanism are used for preventing the micro-grid bus from being directly rubbed with the arc plate when being pulled, so that the micro-grid bus is damaged, a certain buffering effect can be achieved, and meanwhile, four groups of fixing blocks which are symmetrical in pairs are arranged, and the micro-grid bus can be fixed through the mutual cooperation of the four groups of fixing blocks, so that the bus is prevented from being bent.

Description

Micro-grid bus differential protection device

Technical Field

The utility model relates to the technical field of micro-grid equipment, in particular to a micro-grid bus differential protection device.

Background

The micro-grid is also translated into a micro-grid, is a novel network structure, and is a system unit formed by a group of micro-power supply, load, energy storage system and control device. The micro-grid is an autonomous system capable of realizing self-control, protection and management, and can be operated in parallel with an external power grid or in isolation. However, the existing micro-grid bus is easy to collide or break, so that the maintenance cost of the micro-grid bus is greatly increased, the existing bus protection device is complex in structure and operation steps during installation, and meanwhile, the existing micro-grid bus protection device is complex to install, and the micro-grid bus is easy to collide or break, so that the maintenance cost of the micro-grid bus is greatly increased.

To this end, the utility model patent with publication number CN209692300U discloses a differential protection device for a micro-grid bus, comprising: the bottom plate and roof, roof are located the bottom plate directly over, and the upper end center department of bottom plate is through support column fixedly connected with semi-arc supporting plate, and the upper end of bottom plate is about support column symmetry fixedly connected with bracing piece, and the common fixed connection of one end of bottom plate is kept away from to two spinal branch vaulting poles is at the lower extreme of roof.

In the case of the differential protection device for the micro-grid bus, only one position of the micro-grid bus can be fixed, and the movement of the bus under the condition of being pulled cannot be avoided.

Disclosure of Invention

The utility model aims to provide a micro-grid bus differential protection 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 little electric wire netting busbar differential protection device, includes the base, two installation pieces of bilateral symmetry are fixedly connected with to the base up end, be equipped with the sliding tray that runs through about in the installation piece, the base up end is equipped with and is located two the cushion in the middle of the installation piece;

the utility model discloses a little electric wire netting busbar, including base upside, installation piece, protection mechanism, adjustment mechanism, installation piece, protection mechanism is equipped with the protection mechanism, two be equipped with guiding mechanism between the installation piece, protection mechanism can carry out firm fixed and protection to little electric wire netting busbar, guiding mechanism can adapt to the diameter of different models little electric wire netting busbar, better protects little electric wire netting busbar.

Preferably, the protection mechanism comprises an arc-shaped plate arranged on the upper side of the cushion block, three groups of cushion block springs are connected between the arc-shaped plate and the cushion block, a micro-grid bus can be placed on the arc-shaped plate, two symmetrical sliding blocks are connected in a sliding way in the sliding groove, the sliding blocks are connected with sliding rods in a sliding way, and one end of each sliding rod is fixedly connected with a limiting block;

the utility model discloses a micro-grid bus surface protection device, including the cushion, the sliding rod fixedly connected with is located the fixed block of cushion both sides, the fixed block with be connected with between the slider and be equipped with fixed spring, one side fixedly connected with flexible gasket that the fixed block is close to the symmetry center, flexible gasket is flexible material, can avoid causing the damage to micro-grid bus surface.

Preferably, the adjusting mechanism comprises a threaded shaft, wherein one end of the threaded shaft is located outside, the end wall of the rear end of the sliding groove is rotationally connected with the threaded shaft, the threaded shaft is fixedly connected with a knob located outside, the knob can be twisted, and the threaded shaft is in threaded connection with the two sliding blocks.

Preferably, two fixing blocks positioned on one side of the cushion block are hinged with bayonet rings, three groups of buckles are uniformly distributed on two fixing blocks positioned on the other side of the cushion block, the bayonet rings are buckled on corresponding buckles, the relative positions of the two groups of fixing blocks can be limited, and the bayonet rings can be buckled on different buckles according to the distance between the two groups of fixing blocks.

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

according to the utility model, the protection mechanism is arranged, so that the arc-shaped plate and the cushion block spring arranged in the protection mechanism can prevent the micro-grid bus from being damaged due to direct friction with the arc-shaped plate when the micro-grid bus is pulled, and a certain buffer effect can be achieved;

meanwhile, four groups of fixing blocks which are symmetrical in pairs are arranged, and the micro-grid bus can be fixed through the mutual matching of the four groups of fixing blocks, so that the bending of the bus is avoided;

according to the micro-grid bus fixing device, the threaded shafts capable of rotating are arranged, so that the relative positions of the two corresponding sliding blocks can be adjusted, the fixing blocks are convenient to fix different positions of the micro-grid bus, and meanwhile, the fixing springs are arranged between the fixing blocks and the sliding rods in a connecting mode through the sliding rods which are connected with the sliding blocks in a sliding mode, so that the micro-grid bus with different diameters can be fixed and protected.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the mounting structure of the present utility model;

FIG. 3 is a schematic view of the structure of the mounting block of the present utility model;

FIG. 4 is a schematic view of a slider according to the present utility model;

FIG. 5 is a schematic side view of a slider according to the present utility model;

FIG. 6 is a schematic view of the structure of the fixing block according to the present utility model;

FIG. 7 is a schematic side view of a fixed block of the present utility model;

fig. 8 is a schematic structural view of an arc plate in the present utility model.

In the figure: 10. a base; 11. a mounting block; 12. a sliding groove; 13. a cushion block; 14. a knob; 15. a slide bar; 16. a limiting block; 17. a fixed block; 18. a fixed spring; 19. a flexible gasket; 20. a buckle; 21. a bayonet ring; 22. a cushion block spring; 23. a threaded shaft; 24. an arc-shaped plate; 25. a slide block; 31. a protection mechanism; 32. an adjusting mechanism.

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.

Example 1:

referring to fig. 1-8, the present utility model provides a technical solution: the utility model provides a little electric wire netting busbar differential protection device, includes base 10, two installation pieces 11 of base 10 up end fixedly connected with bilateral symmetry, be equipped with left and right sides sliding tray 12 that runs through in the installation piece 11, base 10 up end is equipped with and is located two cushion 13 in the middle of the installation piece 11, base 10 upside is equipped with protection machanism 31, two be equipped with guiding mechanism 32 between the installation piece 11, protection machanism 31 can carry out firm fixed and protection to little electric wire netting busbar, guiding mechanism 32 can adapt to the diameter of little electric wire netting busbar of different models, better protects little electric wire netting busbar.

The protection mechanism 31 comprises an arc-shaped plate 24 arranged on the upper side of the cushion block 13, three groups of cushion block springs 22 are connected between the arc-shaped plate 24 and the cushion block 13, a micro-grid bus can be placed on the arc-shaped plate 24, two symmetrical sliding blocks 25 are connected in a sliding manner in the sliding groove 12, the sliding blocks 25 are connected with a sliding rod 15 in a sliding manner, and one end of the sliding rod 15 is fixedly connected with a limiting block 16;

the sliding rod 15 is fixedly connected with fixed blocks 17 positioned on two sides of the cushion block 13, and a fixed spring 18 is connected between the fixed blocks 17 and the sliding block 25;

one side of the fixed block 17, which is close to the symmetry center, is fixedly connected with a flexible gasket 19, and the flexible gasket 19 is made of flexible materials, so that damage to the surface of the micro-grid bus can be avoided.

Example 2:

referring to fig. 3-8, embodiment 2 differs from embodiment 1 in that:

the adjusting mechanism 32 comprises a threaded shaft 23 with one end being positioned outside and rotationally connected with the rear end wall of the sliding groove 12, the threaded shaft 23 is fixedly connected with a knob 14 positioned outside, the knob 14 can be twisted, and the threaded shaft 23 is in threaded connection with two sliding blocks 25;

the two fixing blocks 17 positioned on one side of the cushion block 13 are hinged with bayonet rings 21, three groups of buckles 20 are uniformly distributed on the two fixing blocks 17 positioned on the other side of the cushion block 13, the bayonet rings 21 are buckled on the corresponding buckles 20, the relative positions of the two groups of fixing blocks 17 can be limited, and the bayonet rings 21 can be buckled on different buckles 20 according to the distance between the two groups of fixing blocks 17.

Working principle:

when the micro-grid bus is installed, the limiting block 16 is pulled to enable the left and right corresponding two groups of fixing blocks 17 to be farthest away, the micro-grid bus is placed on the arc-shaped plate 24, the fixing blocks 17 are enabled to press the micro-grid bus on the knob 14 through the elasticity of the fixing springs 18, and meanwhile the micro-grid bus can be fixed through the mutual matching of the four groups of fixing blocks 17;

at this time, the knob 14 is rotated according to the diameter of the micro-grid bus, so that the threaded shaft 23 is driven to rotate, and the distance between the two sliding blocks 25 is adjusted, so that the fixed position of the micro-grid bus can be adjusted;

after the fixation is completed, the bayonet rings 21 are buckled on the corresponding buckles 20, so that the installation and fixation of the bus are completed.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a little electric wire netting busbar differential protection device, includes base (10), two installation pieces (11) of base (10) up end fixedly connected with bilateral symmetry, be equipped with sliding tray (12) that run through about in installation piece (11), base (10) up end is equipped with and is located two cushion (13) in the middle of installation piece (11), its characterized in that: the micro-grid bus protection device is characterized in that a protection mechanism (31) is arranged on the upper side of the base (10), an adjusting mechanism (32) is arranged between the two mounting blocks (11), the protection mechanism (31) can firmly fix and protect micro-grid buses, and the adjusting mechanism (32) can adapt to diameters of micro-grid buses of different types, so that the micro-grid buses can be better protected;

the protection mechanism (31) comprises an arc-shaped plate (24) arranged on the upper side of the cushion block (13), three groups of cushion block springs (22) are connected between the arc-shaped plate (24) and the cushion block (13), and the micro-grid bus can be placed on the arc-shaped plate (24).

2. The micro-grid bus differential protection device according to claim 1, wherein: two symmetrical sliding blocks (25) are connected in the sliding groove (12) in a sliding mode, the sliding blocks (25) are connected with a sliding rod (15) in a sliding mode, and a limiting block (16) is fixedly connected to one end of the sliding rod (15).

3. The micro-grid bus differential protection device according to claim 2, wherein: the sliding rod (15) is fixedly connected with fixed blocks (17) positioned on two sides of the cushion block (13), and a fixed spring (18) is connected between the fixed blocks (17) and the sliding blocks (25).

4. A micro-grid busbar differential protection device according to claim 3, wherein: one side of the fixed block (17) close to the symmetry center is fixedly connected with a flexible gasket (19), and the flexible gasket (19) is made of flexible materials and can avoid damaging the surface of the micro-grid bus.

5. The micro-grid bus differential protection device according to claim 2, wherein: the adjusting mechanism (32) comprises a threaded shaft (23) with one end, which is rotationally connected with the rear end wall of the sliding groove (12), positioned outside, the threaded shaft (23) is fixedly connected with a knob (14) positioned outside, and the knob (14) can be twisted.

6. The differential protection device for micro-grid bus according to claim 5, wherein: the threaded shaft (23) is in threaded connection with two of the sliders (25).

7. A micro-grid busbar differential protection device according to claim 3, wherein: the two fixing blocks (17) positioned on one side of the cushion block (13) are hinged with bayonet rings (21), and three groups of buckles (20) are uniformly distributed on the two fixing blocks (17) positioned on the other side of the cushion block (13).

8. The differential protection device for a micro-grid bus according to claim 7, wherein: the bayonet rings (21) are buckled on corresponding buckles (20), so that the relative positions of the two groups of fixing blocks (17) can be limited, and the bayonet rings (21) can be buckled on different buckles (20) according to the distance between the two groups of fixing blocks (17).