CN218828451U - Grounding transformer and small-resistance grounding complete device - Google Patents

Abstract

The utility model discloses a ground connection becomes and small resistance ground connection integrated equipment, including the container, the lower part fixed mounting of container has the bottom plate, the internally mounted of container has high tension switchgear, ground resistance, grounding transformer, protocol converter, direct current step-down module, terminal row, block terminal, fire control unit, cooling device, two sets of net doors and two sets of winding displacement board, protection device is installed to the terminal surface of high tension switchgear, two sets of guide holes have been seted up on the upper portion of container, the upper portion welding of container has two sets of cover covers, and is two sets of the inside of guide hole all slides and runs through there is the guide arm, and is two sets of the stopper has all been welded to the one end tip of guide arm. Has the advantages that: the utility model discloses a winding displacement board through the winding displacement board that sets up, possesses the winding displacement structure, can make multiunit electric wire arrange in midair, avoids multiunit wire to collude stumble operation workman's foot, becomes to reach the maintenance work of little resistance ground connection integrated equipment for ground connection and offers convenience.

Description

Grounding transformer and small-resistance grounding complete device

Technical Field

The utility model relates to an electric power system technical field particularly, relates to a ground connection becomes and little resistance ground connection integrated equipment.

Background

The small-resistance grounding becomes a set of devices, namely a neutral-point grounding resistance cabinet, a medium-resistance grounding device, a neutral-point grounding combination device and the like, wherein 10KV small-resistance grounding complete devices and 35KV small-resistance grounding become set devices in most cases on the market, a 10kV power system belongs to an indirect grounding system, and the neutral point is grounded through an arc suppression coil or a small-resistance grounding mode in general situations, so that the device has the advantages of stable structure, safety in use and the like in practical use.

The prior art discloses that the publication number is: CN111682404A is a 10kV electric power system neutral point mobile small resistance complete grounding device, which comprises a container, a high-voltage switch cabinet, a grounding resistor, a grounding transformer, a protocol converter, a direct current voltage reduction module, a protection device, a cooling assembly, a fire protection device, a net door, a terminal row and a 380V distribution box, wherein the 10kV electric power system neutral point mobile small resistance complete grounding device is connected to a 10kV bus of a transformer substation, a temporary grounding channel is provided for the 10kV electric power system neutral point through the grounding resistor, a condition is created for the power failure of an original grounding system, the loss of the grounding protection function of the 10kV line is avoided, the overload of a main transformer when the 10kV bus is supplied with power by other main transformers is avoided, an arc coil or a small resistance cabinet in the transformer substation is temporarily replaced, the normal grounding function of the 10kV line is maintained, the power supply safety is ensured, and the power failure of a user is avoided; meanwhile, the grounding transformer is electrically connected with the 380V distribution box, and the 380V distribution box can provide 380V power supply, so that the 10kV power system neutral point movable small-resistance complete grounding device has a 380V power supply output function, can be used as temporary power supply equipment and can provide temporary power supply service for a transformer substation or a place needing the 380V power supply, and the operation reliability of a power supply place is improved; through with above-mentioned device concentrated installation in the container, conveniently transport to the transformer substation and use.

In the invention, all the electric components need to be electrically connected by using electric wires, but the structure of the flat cable is not adopted, a plurality of groups of conducting wires are arranged on the inner bottom surface of the container, and when an operator maintains the container, the plurality of groups of conducting wires are easy to catch the feet of the operator, so that the inconvenience is brought to the maintenance work of the invention.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art's not enough, the utility model provides a ground connection becomes and little resistance ground connection integrated equipment possesses the winding displacement structure, can make multiunit electric wire arrange in aloft, avoids the multiunit wire to collude the advantage of stumbling operation workman's foot, and then solves the problem among the above-mentioned background art.

(II) technical scheme

In order to realize above-mentioned winding displacement structure that possesses, can make multiunit electric wire arrange in midair, avoid multiunit wire to collude the advantage of stumbling operation workman's foot, the utility model discloses a concrete technical scheme as follows:

the utility model provides a ground connection becomes and little resistance ground connection integrated equipment, includes the container, the lower part fixed mounting of container has the bottom plate, the internally mounted of container has high tension switchgear, ground resistance, grounding transformer, protocol converter, direct current step-down module, terminal row, block terminal, fire control unit, cooling device, two sets of net door and two sets of winding displacement board, protection device is installed to high tension switchgear's terminal surface, two sets of guide holes have been seted up on the upper portion of container, the upper portion welding of container has two sets of cover, and two sets of the inside of guide hole all slides and has run through the guide arm, and two sets of the stopper has all been welded to the one end tip of guide arm, and is two sets of the expanding spring has all been cup jointed to the lateral wall of guide arm, and is two sets of the other end tip of guide arm and two sets of the upper portion fixed connection of winding displacement board, two sets of the lower part of winding displacement board all bonds through glue has the stay cord, and is two sets of multiunit winding displacement hole has been seted up to one side of winding displacement board, and the multiunit the inner wall in winding displacement hole is provided with the multiunit ball socket, and multiunit the inside of multiunit ball socket all is provided with the ball.

Furthermore, the cross section sizes of the two groups of guide rods are the same as the cross section sizes of the two groups of guide holes.

Further, the cross-sectional dimension of the openings of the ball sockets of the multiple groups is smaller than the maximum cross-sectional dimension of the balls of the multiple groups.

Furthermore, the length of the cross sections of the two groups of limiting blocks is larger than that of the cross sections of the two groups of telescopic springs.

Further, the upper portion of bottom plate is provided with the chute, and the inside welding of chute has the filter screen board, the inside bottom surface welding of chute has the multiunit support column, and the multiunit the one end of support column runs through the lower part of filter screen board, fixed logical groove has been seted up to inner wall one side of chute, and the inside of fixed logical groove is provided with the sealing plug.

Furthermore, the surfaces of the container and the bottom plate are coated with antirust paint.

(III) advantageous effects

Compared with the prior art, the utility model provides a ground connection becomes and little resistance ground connection integrated equipment possesses following beneficial effect:

(1) The utility model discloses a winding displacement board, before the in-service use ground connection becomes and little resistance ground connection integrated equipment, operation workman drags two sets of stay cords with the hand earlier, can drive two sets of winding displacement boards and move down, this in-process, two sets of winding displacement boards drive two sets of guide arms and two sets of stoppers are synchronous to move down respectively, and meanwhile, two sets of expanding spring receive the extrusion of two sets of stoppers and container, be in compression state gradually, when two sets of winding displacement boards move to anticipated height, operation workman can run through multiunit winding displacement hole respectively with the multiunit electric wire, after multiunit connection finishes, operation workman loosens two sets of stay cords, two sets of expanding spring receive self spring action, through promoting two sets of stoppers, make two sets of guide arms and two sets of winding displacement boards shift up and reset, after two sets of winding displacement boards finish resetting, can lift up multiunit electric wire, arrange the inside aerial of container in, when the multiunit electric wire removes, the multiunit ball receives frictional force to roll respectively in multiunit ball socket's inside, because multiunit ball surface is smooth, can avoid two sets of group winding displacement board scratch multiunit electric wire, through the winding displacement board that sets up, it is aerial to bring the wiring board to facilitate to bring the wiring board and the wiring worker maintenance portion that the multiunit ground connection becomes.

(2) The utility model discloses a bottom plate, the operation workman gets into inside the container and installs or maintain the during operation, the electric wire cladding of dismantlement, the dust that carries etc, can get into the inside of chute through the filter plate, this part impurity can be followed the bottom surface of chute and slided, the operation workman takes out the sealing plug, impurity can be derived through fixed logical groove, it carries out cleaning work to the inside of container manually to need not operation workman, the filter plate plays the effect that supports operation workman, the multiunit support column plays and supports high tension switchgear, ground resistance, grounding transformer, the effect of protocol converter, through the bottom plate that sets up, can derive the inside impurity of container automatically, reduce operation workman's cleaning work volume, the use practicality that grounding becomes and little resistance grounding complete set device has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a grounding transformer and small-resistance grounding complete device provided by the present invention;

FIG. 2 is a perspective view of a cover cap according to the present invention;

fig. 3 is an enlarged view of a in fig. 1 according to the present invention;

fig. 4 is an enlarged view of B in fig. 1 according to the present invention.

In the figure:

1. a container; 2. a base plate; 3. a high-voltage switch cabinet; 4. a ground resistor; 5. a grounding transformer; 6. a protocol converter; 7. a DC voltage reduction module; 8. a terminal block; 9. a distribution box; 10. a fire-fighting device; 11. a net door; 12. a cooling device; 13. a protection device; 14. a wire arranging plate; 15. a guide hole; 16. a covering cover; 17. a guide bar; 18. a limiting block; 19. a tension spring; 20. a wire arranging hole; 21. a ball socket; 22. a ball bearing; 23. pulling a rope; 24. a chute; 25. a filter screen plate; 26. a support column; 27. fixing the through groove; 28. and (4) sealing plugs.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a ground connection becomes and little resistance ground connection integrated equipment.

Referring to the drawings and the detailed description, as shown in fig. 1-4, a grounding transformer and small resistance grounding complete device according to an embodiment of the present invention comprises a container 1, a bottom plate 2 is fixedly installed on the lower portion of the container 1, a high voltage switch cabinet 3, a grounding resistance 4, a grounding transformer 5, a protocol converter 6, a dc voltage reduction module 7, a terminal row 8, a distribution box 9, a fire-fighting device 10, a cooling device 12, two sets of net doors 11 and two sets of wire arrangement plates 14 are installed inside the container 1, a protection device 13 is installed on the end surface of the high voltage switch cabinet 3, two sets of guide holes 15 are opened on the upper portion of the container 1, two sets of cover covers 16 are welded on the upper portion of the container 1, guide rods 17 are penetrated through the insides of the two sets of guide holes 15 in a sliding manner, and the stopper 18 has all been welded to the one end tip of two sets of guide arms 17, telescopic spring 19 has all been cup jointed to the lateral wall of two sets of guide arms 17, the other end tip of two sets of guide arms 17 and the upper portion fixed connection of two sets of winding displacement board 14, the lower part of two sets of winding displacement board 14 all bonds through glue has stay cord 23, multiunit winding displacement hole 20 has been seted up to one side of two sets of winding displacement board 14, and multiunit winding displacement hole 20's inner wall is provided with multiunit ball socket 21, and multiunit ball socket 21's inside all is provided with ball 22, through the winding displacement board 14 that sets up, possess the winding displacement structure, can make multiunit electric wire arrange in air in, avoid multiunit wire to collude stumble operation workman's foot, it brings the facility to become and little resistance grounding complete sets's maintenance work for ground connection.

In one embodiment, the two sets of guide rods 17 have the same cross-sectional size as the two sets of guide holes 15, so as to ensure the stability of the up-and-down movement of the two sets of guide rods 17.

In one embodiment, the cross-sectional dimension at the opening of the plurality of ball sockets 21 is smaller than the largest cross-sectional dimension of the plurality of balls 22, preventing the plurality of balls 22 from exiting the interior of the plurality of ball sockets 21.

In one embodiment, the cross-sectional lengths of the two sets of limiting blocks 18 are greater than the cross-sectional lengths of the two sets of telescopic springs 19, so that the two sets of telescopic springs 19 are prevented from being separated from the two sets of guide rods 17.

In one embodiment, the upper portion of the bottom plate 2 is provided with the chute 24, and the inside welding of the chute 24 has the screen plate 25, the inside bottom welding of the chute 24 has the multiunit support column 26, and the lower part of the screen plate 25 is run through to the one end of the multiunit support column 26, fixed through groove 27 has been seted up to inner wall one side of the chute 24, and the inside of fixed through groove 27 is provided with sealing plug 28, through the bottom plate 2 that sets up, can derive the inside impurity of container 1 automatically, reduce operation workman cleaning load, the use practicality that ground connection becomes and little resistance ground connection integrated equipment has been improved.

In one embodiment, the surfaces of the container 1 and the floor 2 are coated with a rust inhibiting paint which prevents the container 1 and the floor 2 from rusting.

The working principle is as follows:

before the grounding transformer and small-resistance grounding complete device is actually used, an operator firstly pulls two groups of pull ropes 23 by hands to drive two groups of wire arrangement boards 14 to move downwards, in the process, the two groups of wire arrangement boards 14 respectively drive two groups of guide rods 17 and two groups of limiting blocks 18 to move downwards synchronously, meanwhile, two groups of telescopic springs 19 are extruded by the two groups of limiting blocks 18 and the container 1 to be in a compression state gradually, when the two groups of wire arrangement boards 14 move to the expected height, the operator can respectively penetrate through a plurality of groups of wire arrangement holes 20 by the plurality of groups of wires, after the plurality of groups of wires are connected, the operator loosens the two groups of pull ropes 23, the two groups of telescopic springs 19 are under the self elastic force, the two groups of guide rods 17 and the two groups of wire arrangement boards 14 move upwards to reset, after the two groups of wire arrangement boards 14 are reset, the plurality of wires can be lifted to be placed in the air in the container 1, when the plurality of groups of wires move, the multiple groups of balls 22 roll in the multiple groups of ball sockets 21 respectively under the friction force, because the surfaces of the multiple groups of balls 22 are smooth, the multiple groups of wires can be prevented from being scratched by the two groups of wire arranging plates 14, the wire arranging plates 14 are arranged, the multiple groups of wires can be arranged in the air, the feet of an operator can be prevented from being hooked by the multiple groups of wires, the maintenance work of the grounding transformer and small-resistance grounding complete device is facilitated, meanwhile, when the operator enters the container 1 for installation or maintenance work, the detached wire leather, carried dust and the like can enter the interior of the chute 24 through the filter screen plate 25, the impurities can slide along the bottom surface of the chute 24, the operator draws out the sealing plug 28, the impurities can be led out through the fixed through groove 27, the operator does not need to manually clean the interior of the container 1, and the filter screen plate 25 plays a role in supporting the operator, the multiunit support column 26 plays the effect of supporting high tension switchgear 3, ground resistance 4, grounding transformer 5, protocol converter 6, through the bottom plate 2 that sets up, can derive the inside impurity of container 1 automatically, reduces operation workman cleaning load, has improved the ground connection and has become and small resistance ground connection integrated equipment's practicality of use.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The grounding transformer and small-resistance grounding complete device is characterized by comprising a container (1), wherein a bottom plate (2) is fixedly mounted on the lower portion of the container (1), a high-voltage switch cabinet (3), a grounding resistor (4), a grounding transformer (5), a protocol converter (6), a direct-current voltage reduction module (7), a terminal row (8), a distribution box (9), a fire-fighting device (10), a cooling device (12), two groups of net doors (11) and two groups of wire arrangement plates (14) are mounted inside the container (1), a protection device (13) is mounted on the end face of the high-voltage switch cabinet (3), two groups of guide holes (15) are formed in the upper portion of the container (1), two groups of cover covers (16) are welded on the upper portion of the container (1), guide rods (17) penetrate through the inner portions of the two groups of guide holes (15) in a sliding mode, limit blocks (18) are welded on the end portions of the two groups of the guide rods (17), expansion springs (19) are sleeved on the side walls of the two groups of the guide rods (17), the end portions of the other ends of the two groups of the guide rods (17) are fixedly connected with the upper portions of the two groups of the wire arrangement plates (14), two groups of pull ropes (14), one side walls are provided with glue (20) of the pull ropes (14), and one side of the two groups of the wire arrangement plates (14) are provided with one side of the pull ropes (20), and a plurality of groups of ball sockets (21) are arranged on the inner wall of the plurality of groups of wire arranging holes (20), and balls (22) are arranged in the plurality of groups of ball sockets (21).

2. A grounding and low resistance grounding kit in accordance with claim 1, wherein the cross-sectional dimensions of both sets of said guide rods (17) are the same as the cross-sectional dimensions of both sets of said guide holes (15).

3. A grounding kit as claimed in claim 1, characterized in that the cross-sectional dimensions of the openings of said ball sockets (21) are smaller than the maximum cross-sectional dimensions of said balls (22).

4. A grounding transformer and low resistance grounding kit as claimed in claim 1, wherein the cross sectional length of two sets of stoppers (18) is greater than the cross sectional length of two sets of said expanding springs (19).

5. The complete set of grounding transformer and small-resistance grounding device as claimed in claim 1, wherein a chute (24) is arranged at the upper part of the bottom plate (2), a screen plate (25) is welded inside the chute (24), a plurality of groups of support columns (26) are welded on the bottom surface inside the chute (24), one ends of the groups of support columns (26) penetrate through the lower part of the screen plate (25), a fixed through groove (27) is formed in one side of the inner wall of the chute (24), and a sealing plug (28) is arranged inside the fixed through groove (27).

6. A grounding and low resistance grounding kit as claimed in claim 1, characterized in that the surfaces of said container (1) and said bottom plate (2) are coated with rust-proof paint.

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